diff options
Diffstat (limited to 'drivers/gpu/drm/amd')
51 files changed, 6220 insertions, 858 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile index 2ca2b51..f300202 100644 --- a/drivers/gpu/drm/amd/amdgpu/Makefile +++ b/drivers/gpu/drm/amd/amdgpu/Makefile @@ -130,7 +130,8 @@ amdgpu-y += \ amdgpu_amdkfd.o \ amdgpu_amdkfd_fence.o \ amdgpu_amdkfd_gpuvm.o \ - amdgpu_amdkfd_gfx_v8.o + amdgpu_amdkfd_gfx_v8.o \ + amdgpu_amdkfd_gfx_v9.o # add cgs amdgpu-y += amdgpu_cgs.o diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 4d36203..cd0e8f1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -92,6 +92,10 @@ void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev) case CHIP_POLARIS11: kfd2kgd = amdgpu_amdkfd_gfx_8_0_get_functions(); break; + case CHIP_VEGA10: + case CHIP_RAVEN: + kfd2kgd = amdgpu_amdkfd_gfx_9_0_get_functions(); + break; default: dev_dbg(adev->dev, "kfd not supported on this ASIC\n"); return; @@ -175,6 +179,28 @@ void amdgpu_amdkfd_device_init(struct amdgpu_device *adev) &gpu_resources.doorbell_physical_address, &gpu_resources.doorbell_aperture_size, &gpu_resources.doorbell_start_offset); + if (adev->asic_type >= CHIP_VEGA10) { + /* On SOC15 the BIF is involved in routing + * doorbells using the low 12 bits of the + * address. Communicate the assignments to + * KFD. KFD uses two doorbell pages per + * process in case of 64-bit doorbells so we + * can use each doorbell assignment twice. + */ + gpu_resources.sdma_doorbell[0][0] = + AMDGPU_DOORBELL64_sDMA_ENGINE0; + gpu_resources.sdma_doorbell[0][1] = + AMDGPU_DOORBELL64_sDMA_ENGINE0 + 0x200; + gpu_resources.sdma_doorbell[1][0] = + AMDGPU_DOORBELL64_sDMA_ENGINE1; + gpu_resources.sdma_doorbell[1][1] = + AMDGPU_DOORBELL64_sDMA_ENGINE1 + 0x200; + /* Doorbells 0x0f0-0ff and 0x2f0-2ff are reserved for + * SDMA, IH and VCN. So don't use them for the CP. + */ + gpu_resources.reserved_doorbell_mask = 0x1f0; + gpu_resources.reserved_doorbell_val = 0x0f0; + } kgd2kfd->device_init(adev->kfd, &gpu_resources); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h index c2c2bea..12367a9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h @@ -28,6 +28,7 @@ #include <linux/types.h> #include <linux/mm.h> #include <linux/mmu_context.h> +#include <linux/workqueue.h> #include <kgd_kfd_interface.h> #include <drm/ttm/ttm_execbuf_util.h> #include "amdgpu_sync.h" @@ -59,7 +60,9 @@ struct kgd_mem { uint32_t mapping_flags; + atomic_t invalid; struct amdkfd_process_info *process_info; + struct page **user_pages; struct amdgpu_sync sync; @@ -84,6 +87,9 @@ struct amdkfd_process_info { struct list_head vm_list_head; /* List head for all KFD BOs that belong to a KFD process. */ struct list_head kfd_bo_list; + /* List of userptr BOs that are valid or invalid */ + struct list_head userptr_valid_list; + struct list_head userptr_inval_list; /* Lock to protect kfd_bo_list */ struct mutex lock; @@ -91,6 +97,11 @@ struct amdkfd_process_info { unsigned int n_vms; /* Eviction Fence */ struct amdgpu_amdkfd_fence *eviction_fence; + + /* MMU-notifier related fields */ + atomic_t evicted_bos; + struct delayed_work restore_userptr_work; + struct pid *pid; }; int amdgpu_amdkfd_init(void); @@ -104,12 +115,14 @@ void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev); void amdgpu_amdkfd_device_init(struct amdgpu_device *adev); void amdgpu_amdkfd_device_fini(struct amdgpu_device *adev); +int amdgpu_amdkfd_evict_userptr(struct kgd_mem *mem, struct mm_struct *mm); int amdgpu_amdkfd_submit_ib(struct kgd_dev *kgd, enum kgd_engine_type engine, uint32_t vmid, uint64_t gpu_addr, uint32_t *ib_cmd, uint32_t ib_len); struct kfd2kgd_calls *amdgpu_amdkfd_gfx_7_get_functions(void); struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions(void); +struct kfd2kgd_calls *amdgpu_amdkfd_gfx_9_0_get_functions(void); bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c index ea54e53..0ff36d4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c @@ -98,8 +98,6 @@ static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid, static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid, unsigned int vmid); -static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id, - uint32_t hpd_size, uint64_t hpd_gpu_addr); static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id); static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id, uint32_t queue_id, uint32_t __user *wptr, @@ -183,7 +181,6 @@ static const struct kfd2kgd_calls kfd2kgd = { .free_pasid = amdgpu_pasid_free, .program_sh_mem_settings = kgd_program_sh_mem_settings, .set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping, - .init_pipeline = kgd_init_pipeline, .init_interrupts = kgd_init_interrupts, .hqd_load = kgd_hqd_load, .hqd_sdma_load = kgd_hqd_sdma_load, @@ -309,13 +306,6 @@ static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid, return 0; } -static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id, - uint32_t hpd_size, uint64_t hpd_gpu_addr) -{ - /* amdgpu owns the per-pipe state */ - return 0; -} - static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id) { struct amdgpu_device *adev = get_amdgpu_device(kgd); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c index 89264c9..6ef9762 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c @@ -57,8 +57,6 @@ static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid, uint32_t sh_mem_bases); static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid, unsigned int vmid); -static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id, - uint32_t hpd_size, uint64_t hpd_gpu_addr); static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id); static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id, uint32_t queue_id, uint32_t __user *wptr, @@ -141,7 +139,6 @@ static const struct kfd2kgd_calls kfd2kgd = { .free_pasid = amdgpu_pasid_free, .program_sh_mem_settings = kgd_program_sh_mem_settings, .set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping, - .init_pipeline = kgd_init_pipeline, .init_interrupts = kgd_init_interrupts, .hqd_load = kgd_hqd_load, .hqd_sdma_load = kgd_hqd_sdma_load, @@ -270,13 +267,6 @@ static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid, return 0; } -static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id, - uint32_t hpd_size, uint64_t hpd_gpu_addr) -{ - /* amdgpu owns the per-pipe state */ - return 0; -} - static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id) { struct amdgpu_device *adev = get_amdgpu_device(kgd); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c new file mode 100644 index 0000000..8f37991 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c @@ -0,0 +1,1043 @@ +/* + * Copyright 2014-2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#define pr_fmt(fmt) "kfd2kgd: " fmt + +#include <linux/module.h> +#include <linux/fdtable.h> +#include <linux/uaccess.h> +#include <linux/firmware.h> +#include <drm/drmP.h> +#include "amdgpu.h" +#include "amdgpu_amdkfd.h" +#include "amdgpu_ucode.h" +#include "soc15_hw_ip.h" +#include "gc/gc_9_0_offset.h" +#include "gc/gc_9_0_sh_mask.h" +#include "vega10_enum.h" +#include "sdma0/sdma0_4_0_offset.h" +#include "sdma0/sdma0_4_0_sh_mask.h" +#include "sdma1/sdma1_4_0_offset.h" +#include "sdma1/sdma1_4_0_sh_mask.h" +#include "athub/athub_1_0_offset.h" +#include "athub/athub_1_0_sh_mask.h" +#include "oss/osssys_4_0_offset.h" +#include "oss/osssys_4_0_sh_mask.h" +#include "soc15_common.h" +#include "v9_structs.h" +#include "soc15.h" +#include "soc15d.h" + +/* HACK: MMHUB and GC both have VM-related register with the same + * names but different offsets. Define the MMHUB register we need here + * with a prefix. A proper solution would be to move the functions + * programming these registers into gfx_v9_0.c and mmhub_v1_0.c + * respectively. + */ +#define mmMMHUB_VM_INVALIDATE_ENG16_REQ 0x06f3 +#define mmMMHUB_VM_INVALIDATE_ENG16_REQ_BASE_IDX 0 + +#define mmMMHUB_VM_INVALIDATE_ENG16_ACK 0x0705 +#define mmMMHUB_VM_INVALIDATE_ENG16_ACK_BASE_IDX 0 + +#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32 0x072b +#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32_BASE_IDX 0 +#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32 0x072c +#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32_BASE_IDX 0 + +#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32 0x074b +#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32_BASE_IDX 0 +#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32 0x074c +#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32_BASE_IDX 0 + +#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32 0x076b +#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32_BASE_IDX 0 +#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32 0x076c +#define mmMMHUB_VM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32_BASE_IDX 0 + +#define mmMMHUB_VM_INVALIDATE_ENG16_ADDR_RANGE_LO32 0x0727 +#define mmMMHUB_VM_INVALIDATE_ENG16_ADDR_RANGE_LO32_BASE_IDX 0 +#define mmMMHUB_VM_INVALIDATE_ENG16_ADDR_RANGE_HI32 0x0728 +#define mmMMHUB_VM_INVALIDATE_ENG16_ADDR_RANGE_HI32_BASE_IDX 0 + +#define V9_PIPE_PER_MEC (4) +#define V9_QUEUES_PER_PIPE_MEC (8) + +enum hqd_dequeue_request_type { + NO_ACTION = 0, + DRAIN_PIPE, + RESET_WAVES +}; + +/* + * Register access functions + */ + +static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid, + uint32_t sh_mem_config, + uint32_t sh_mem_ape1_base, uint32_t sh_mem_ape1_limit, + uint32_t sh_mem_bases); +static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid, + unsigned int vmid); +static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id); +static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id, + uint32_t queue_id, uint32_t __user *wptr, + uint32_t wptr_shift, uint32_t wptr_mask, + struct mm_struct *mm); +static int kgd_hqd_dump(struct kgd_dev *kgd, + uint32_t pipe_id, uint32_t queue_id, + uint32_t (**dump)[2], uint32_t *n_regs); +static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd, + uint32_t __user *wptr, struct mm_struct *mm); +static int kgd_hqd_sdma_dump(struct kgd_dev *kgd, + uint32_t engine_id, uint32_t queue_id, + uint32_t (**dump)[2], uint32_t *n_regs); +static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address, + uint32_t pipe_id, uint32_t queue_id); +static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd); +static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd, + enum kfd_preempt_type reset_type, + unsigned int utimeout, uint32_t pipe_id, + uint32_t queue_id); +static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd, + unsigned int utimeout); +static int kgd_address_watch_disable(struct kgd_dev *kgd); +static int kgd_address_watch_execute(struct kgd_dev *kgd, + unsigned int watch_point_id, + uint32_t cntl_val, + uint32_t addr_hi, + uint32_t addr_lo); +static int kgd_wave_control_execute(struct kgd_dev *kgd, + uint32_t gfx_index_val, + uint32_t sq_cmd); +static uint32_t kgd_address_watch_get_offset(struct kgd_dev *kgd, + unsigned int watch_point_id, + unsigned int reg_offset); + +static bool get_atc_vmid_pasid_mapping_valid(struct kgd_dev *kgd, + uint8_t vmid); +static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd, + uint8_t vmid); +static void set_vm_context_page_table_base(struct kgd_dev *kgd, uint32_t vmid, + uint32_t page_table_base); +static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type); +static void set_scratch_backing_va(struct kgd_dev *kgd, + uint64_t va, uint32_t vmid); +static int invalidate_tlbs(struct kgd_dev *kgd, uint16_t pasid); +static int invalidate_tlbs_vmid(struct kgd_dev *kgd, uint16_t vmid); + +/* Because of REG_GET_FIELD() being used, we put this function in the + * asic specific file. + */ +static int amdgpu_amdkfd_get_tile_config(struct kgd_dev *kgd, + struct tile_config *config) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)kgd; + + config->gb_addr_config = adev->gfx.config.gb_addr_config; + + config->tile_config_ptr = adev->gfx.config.tile_mode_array; + config->num_tile_configs = + ARRAY_SIZE(adev->gfx.config.tile_mode_array); + config->macro_tile_config_ptr = + adev->gfx.config.macrotile_mode_array; + config->num_macro_tile_configs = + ARRAY_SIZE(adev->gfx.config.macrotile_mode_array); + + return 0; +} + +static const struct kfd2kgd_calls kfd2kgd = { + .init_gtt_mem_allocation = alloc_gtt_mem, + .free_gtt_mem = free_gtt_mem, + .get_local_mem_info = get_local_mem_info, + .get_gpu_clock_counter = get_gpu_clock_counter, + .get_max_engine_clock_in_mhz = get_max_engine_clock_in_mhz, + .alloc_pasid = amdgpu_pasid_alloc, + .free_pasid = amdgpu_pasid_free, + .program_sh_mem_settings = kgd_program_sh_mem_settings, + .set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping, + .init_interrupts = kgd_init_interrupts, + .hqd_load = kgd_hqd_load, + .hqd_sdma_load = kgd_hqd_sdma_load, + .hqd_dump = kgd_hqd_dump, + .hqd_sdma_dump = kgd_hqd_sdma_dump, + .hqd_is_occupied = kgd_hqd_is_occupied, + .hqd_sdma_is_occupied = kgd_hqd_sdma_is_occupied, + .hqd_destroy = kgd_hqd_destroy, + .hqd_sdma_destroy = kgd_hqd_sdma_destroy, + .address_watch_disable = kgd_address_watch_disable, + .address_watch_execute = kgd_address_watch_execute, + .wave_control_execute = kgd_wave_control_execute, + .address_watch_get_offset = kgd_address_watch_get_offset, + .get_atc_vmid_pasid_mapping_pasid = + get_atc_vmid_pasid_mapping_pasid, + .get_atc_vmid_pasid_mapping_valid = + get_atc_vmid_pasid_mapping_valid, + .get_fw_version = get_fw_version, + .set_scratch_backing_va = set_scratch_backing_va, + .get_tile_config = amdgpu_amdkfd_get_tile_config, + .get_cu_info = get_cu_info, + .get_vram_usage = amdgpu_amdkfd_get_vram_usage, + .create_process_vm = amdgpu_amdkfd_gpuvm_create_process_vm, + .acquire_process_vm = amdgpu_amdkfd_gpuvm_acquire_process_vm, + .destroy_process_vm = amdgpu_amdkfd_gpuvm_destroy_process_vm, + .get_process_page_dir = amdgpu_amdkfd_gpuvm_get_process_page_dir, + .set_vm_context_page_table_base = set_vm_context_page_table_base, + .alloc_memory_of_gpu = amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu, + .free_memory_of_gpu = amdgpu_amdkfd_gpuvm_free_memory_of_gpu, + .map_memory_to_gpu = amdgpu_amdkfd_gpuvm_map_memory_to_gpu, + .unmap_memory_to_gpu = amdgpu_amdkfd_gpuvm_unmap_memory_from_gpu, + .sync_memory = amdgpu_amdkfd_gpuvm_sync_memory, + .map_gtt_bo_to_kernel = amdgpu_amdkfd_gpuvm_map_gtt_bo_to_kernel, + .restore_process_bos = amdgpu_amdkfd_gpuvm_restore_process_bos, + .invalidate_tlbs = invalidate_tlbs, + .invalidate_tlbs_vmid = invalidate_tlbs_vmid, + .submit_ib = amdgpu_amdkfd_submit_ib, +}; + +struct kfd2kgd_calls *amdgpu_amdkfd_gfx_9_0_get_functions(void) +{ + return (struct kfd2kgd_calls *)&kfd2kgd; +} + +static inline struct amdgpu_device *get_amdgpu_device(struct kgd_dev *kgd) +{ + return (struct amdgpu_device *)kgd; +} + +static void lock_srbm(struct kgd_dev *kgd, uint32_t mec, uint32_t pipe, + uint32_t queue, uint32_t vmid) +{ + struct amdgpu_device *adev = get_amdgpu_device(kgd); + + mutex_lock(&adev->srbm_mutex); + soc15_grbm_select(adev, mec, pipe, queue, vmid); +} + +static void unlock_srbm(struct kgd_dev *kgd) +{ + struct amdgpu_device *adev = get_amdgpu_device(kgd); + + soc15_grbm_select(adev, 0, 0, 0, 0); + mutex_unlock(&adev->srbm_mutex); +} + +static void acquire_queue(struct kgd_dev *kgd, uint32_t pipe_id, + uint32_t queue_id) +{ + struct amdgpu_device *adev = get_amdgpu_device(kgd); + + uint32_t mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1; + uint32_t pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec); + + lock_srbm(kgd, mec, pipe, queue_id, 0); +} + +static uint32_t get_queue_mask(struct amdgpu_device *adev, + uint32_t pipe_id, uint32_t queue_id) +{ + unsigned int bit = (pipe_id * adev->gfx.mec.num_queue_per_pipe + + queue_id) & 31; + + return ((uint32_t)1) << bit; +} + +static void release_queue(struct kgd_dev *kgd) +{ + unlock_srbm(kgd); +} + +static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid, + uint32_t sh_mem_config, + uint32_t sh_mem_ape1_base, + uint32_t sh_mem_ape1_limit, + uint32_t sh_mem_bases) +{ + struct amdgpu_device *adev = get_amdgpu_device(kgd); + + lock_srbm(kgd, 0, 0, 0, vmid); + + WREG32(SOC15_REG_OFFSET(GC, 0, mmSH_MEM_CONFIG), sh_mem_config); + WREG32(SOC15_REG_OFFSET(GC, 0, mmSH_MEM_BASES), sh_mem_bases); + /* APE1 no longer exists on GFX9 */ + + unlock_srbm(kgd); +} + +static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid, + unsigned int vmid) +{ + struct amdgpu_device *adev = get_amdgpu_device(kgd); + + /* + * We have to assume that there is no outstanding mapping. + * The ATC_VMID_PASID_MAPPING_UPDATE_STATUS bit could be 0 because + * a mapping is in progress or because a mapping finished + * and the SW cleared it. + * So the protocol is to always wait & clear. + */ + uint32_t pasid_mapping = (pasid == 0) ? 0 : (uint32_t)pasid | + ATC_VMID0_PASID_MAPPING__VALID_MASK; + + /* + * need to do this twice, once for gfx and once for mmhub + * for ATC add 16 to VMID for mmhub, for IH different registers. + * ATC_VMID0..15 registers are separate from ATC_VMID16..31. + */ + + WREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING) + vmid, + pasid_mapping); + + while (!(RREG32(SOC15_REG_OFFSET( + ATHUB, 0, + mmATC_VMID_PASID_MAPPING_UPDATE_STATUS)) & + (1U << vmid))) + cpu_relax(); + + WREG32(SOC15_REG_OFFSET(ATHUB, 0, + mmATC_VMID_PASID_MAPPING_UPDATE_STATUS), + 1U << vmid); + + /* Mapping vmid to pasid also for IH block */ + WREG32(SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid, + pasid_mapping); + + WREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID16_PASID_MAPPING) + vmid, + pasid_mapping); + + while (!(RREG32(SOC15_REG_OFFSET( + ATHUB, 0, + mmATC_VMID_PASID_MAPPING_UPDATE_STATUS)) & + (1U << (vmid + 16)))) + cpu_relax(); + + WREG32(SOC15_REG_OFFSET(ATHUB, 0, + mmATC_VMID_PASID_MAPPING_UPDATE_STATUS), + 1U << (vmid + 16)); + + /* Mapping vmid to pasid also for IH block */ + WREG32(SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT_MM) + vmid, + pasid_mapping); + return 0; +} + +/* TODO - RING0 form of field is obsolete, seems to date back to SI + * but still works + */ + +static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id) +{ + struct amdgpu_device *adev = get_amdgpu_device(kgd); + uint32_t mec; + uint32_t pipe; + + mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1; + pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec); + + lock_srbm(kgd, mec, pipe, 0, 0); + + WREG32(SOC15_REG_OFFSET(GC, 0, mmCPC_INT_CNTL), + CP_INT_CNTL_RING0__TIME_STAMP_INT_ENABLE_MASK | + CP_INT_CNTL_RING0__OPCODE_ERROR_INT_ENABLE_MASK); + + unlock_srbm(kgd); + + return 0; +} + +static uint32_t get_sdma_base_addr(struct amdgpu_device *adev, + unsigned int engine_id, + unsigned int queue_id) +{ + uint32_t base[2] = { + SOC15_REG_OFFSET(SDMA0, 0, + mmSDMA0_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL, + SOC15_REG_OFFSET(SDMA1, 0, + mmSDMA1_RLC0_RB_CNTL) - mmSDMA1_RLC0_RB_CNTL + }; + uint32_t retval; + + retval = base[engine_id] + queue_id * (mmSDMA0_RLC1_RB_CNTL - + mmSDMA0_RLC0_RB_CNTL); + + pr_debug("sdma base address: 0x%x\n", retval); + + return retval; +} + +static inline struct v9_mqd *get_mqd(void *mqd) +{ + return (struct v9_mqd *)mqd; +} + +static inline struct v9_sdma_mqd *get_sdma_mqd(void *mqd) +{ + return (struct v9_sdma_mqd *)mqd; +} + +static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id, + uint32_t queue_id, uint32_t __user *wptr, + uint32_t wptr_shift, uint32_t wptr_mask, + struct mm_struct *mm) +{ + struct amdgpu_device *adev = get_amdgpu_device(kgd); + struct v9_mqd *m; + uint32_t *mqd_hqd; + uint32_t reg, hqd_base, data; + + m = get_mqd(mqd); + + acquire_queue(kgd, pipe_id, queue_id); + + /* HIQ is set during driver init period with vmid set to 0*/ + if (m->cp_hqd_vmid == 0) { + uint32_t value, mec, pipe; + + mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1; + pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec); + + pr_debug("kfd: set HIQ, mec:%d, pipe:%d, queue:%d.\n", + mec, pipe, queue_id); + value = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CP_SCHEDULERS)); + value = REG_SET_FIELD(value, RLC_CP_SCHEDULERS, scheduler1, + ((mec << 5) | (pipe << 3) | queue_id | 0x80)); + WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_CP_SCHEDULERS), value); + } + + /* HQD registers extend from CP_MQD_BASE_ADDR to CP_HQD_EOP_WPTR_MEM. */ + mqd_hqd = &m->cp_mqd_base_addr_lo; + hqd_base = SOC15_REG_OFFSET(GC, 0, mmCP_MQD_BASE_ADDR); + + for (reg = hqd_base; + reg <= SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_HI); reg++) + WREG32(reg, mqd_hqd[reg - hqd_base]); + + + /* Activate doorbell logic before triggering WPTR poll. */ + data = REG_SET_FIELD(m->cp_hqd_pq_doorbell_control, + CP_HQD_PQ_DOORBELL_CONTROL, DOORBELL_EN, 1); + WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL), data); + + if (wptr) { + /* Don't read wptr with get_user because the user + * context may not be accessible (if this function + * runs in a work queue). Instead trigger a one-shot + * polling read from memory in the CP. This assumes + * that wptr is GPU-accessible in the queue's VMID via + * ATC or SVM. WPTR==RPTR before starting the poll so + * the CP starts fetching new commands from the right + * place. + * + * Guessing a 64-bit WPTR from a 32-bit RPTR is a bit + * tricky. Assume that the queue didn't overflow. The + * number of valid bits in the 32-bit RPTR depends on + * the queue size. The remaining bits are taken from + * the saved 64-bit WPTR. If the WPTR wrapped, add the + * queue size. + */ + uint32_t queue_size = + 2 << REG_GET_FIELD(m->cp_hqd_pq_control, + CP_HQD_PQ_CONTROL, QUEUE_SIZE); + uint64_t guessed_wptr = m->cp_hqd_pq_rptr & (queue_size - 1); + + if ((m->cp_hqd_pq_wptr_lo & (queue_size - 1)) < guessed_wptr) + guessed_wptr += queue_size; + guessed_wptr += m->cp_hqd_pq_wptr_lo & ~(queue_size - 1); + guessed_wptr += (uint64_t)m->cp_hqd_pq_wptr_hi << 32; + + WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_LO), + lower_32_bits(guessed_wptr)); + WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_HI), + upper_32_bits(guessed_wptr)); + WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_POLL_ADDR), + lower_32_bits((uint64_t)wptr)); + WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_POLL_ADDR_HI), + upper_32_bits((uint64_t)wptr)); + WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_PQ_WPTR_POLL_CNTL1), + get_queue_mask(adev, pipe_id, queue_id)); + } + + /* Start the EOP fetcher */ + WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_EOP_RPTR), + REG_SET_FIELD(m->cp_hqd_eop_rptr, + CP_HQD_EOP_RPTR, INIT_FETCHER, 1)); + + data = REG_SET_FIELD(m->cp_hqd_active, CP_HQD_ACTIVE, ACTIVE, 1); + WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_ACTIVE), data); + + release_queue(kgd); + + return 0; +} + +static int kgd_hqd_dump(struct kgd_dev *kgd, + uint32_t pipe_id, uint32_t queue_id, + uint32_t (**dump)[2], uint32_t *n_regs) +{ + struct amdgpu_device *adev = get_amdgpu_device(kgd); + uint32_t i = 0, reg; +#define HQD_N_REGS 56 +#define DUMP_REG(addr) do { \ + if (WARN_ON_ONCE(i >= HQD_N_REGS)) \ + break; \ + (*dump)[i][0] = (addr) << 2; \ + (*dump)[i++][1] = RREG32(addr); \ + } while (0) + + *dump = kmalloc(HQD_N_REGS*2*sizeof(uint32_t), GFP_KERNEL); + if (*dump == NULL) + return -ENOMEM; + + acquire_queue(kgd, pipe_id, queue_id); + + for (reg = SOC15_REG_OFFSET(GC, 0, mmCP_MQD_BASE_ADDR); + reg <= SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_HI); reg++) + DUMP_REG(reg); + + release_queue(kgd); + + WARN_ON_ONCE(i != HQD_N_REGS); + *n_regs = i; + + return 0; +} + +static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd, + uint32_t __user *wptr, struct mm_struct *mm) +{ + struct amdgpu_device *adev = get_amdgpu_device(kgd); + struct v9_sdma_mqd *m; + uint32_t sdma_base_addr, sdmax_gfx_context_cntl; + unsigned long end_jiffies; + uint32_t data; + uint64_t data64; + uint64_t __user *wptr64 = (uint64_t __user *)wptr; + + m = get_sdma_mqd(mqd); + sdma_base_addr = get_sdma_base_addr(adev, m->sdma_engine_id, + m->sdma_queue_id); + sdmax_gfx_context_cntl = m->sdma_engine_id ? + SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_GFX_CONTEXT_CNTL) : + SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_GFX_CONTEXT_CNTL); + + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, + m->sdmax_rlcx_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK)); + + end_jiffies = msecs_to_jiffies(2000) + jiffies; + while (true) { + data = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS); + if (data & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK) + break; + if (time_after(jiffies, end_jiffies)) + return -ETIME; + usleep_range(500, 1000); + } + data = RREG32(sdmax_gfx_context_cntl); + data = REG_SET_FIELD(data, SDMA0_GFX_CONTEXT_CNTL, + RESUME_CTX, 0); + WREG32(sdmax_gfx_context_cntl, data); + + WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL_OFFSET, + m->sdmax_rlcx_doorbell_offset); + + data = REG_SET_FIELD(m->sdmax_rlcx_doorbell, SDMA0_RLC0_DOORBELL, + ENABLE, 1); + WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, data); + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR, m->sdmax_rlcx_rb_rptr); + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_HI, + m->sdmax_rlcx_rb_rptr_hi); + + WREG32(sdma_base_addr + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 1); + if (read_user_wptr(mm, wptr64, data64)) { + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR, + lower_32_bits(data64)); + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR_HI, + upper_32_bits(data64)); + } else { + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR, + m->sdmax_rlcx_rb_rptr); + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR_HI, + m->sdmax_rlcx_rb_rptr_hi); + } + WREG32(sdma_base_addr + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 0); + + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE, m->sdmax_rlcx_rb_base); + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE_HI, + m->sdmax_rlcx_rb_base_hi); + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_ADDR_LO, + m->sdmax_rlcx_rb_rptr_addr_lo); + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_ADDR_HI, + m->sdmax_rlcx_rb_rptr_addr_hi); + + data = REG_SET_FIELD(m->sdmax_rlcx_rb_cntl, SDMA0_RLC0_RB_CNTL, + RB_ENABLE, 1); + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, data); + + return 0; +} + +static int kgd_hqd_sdma_dump(struct kgd_dev *kgd, + uint32_t engine_id, uint32_t queue_id, + uint32_t (**dump)[2], uint32_t *n_regs) +{ + struct amdgpu_device *adev = get_amdgpu_device(kgd); + uint32_t sdma_base_addr = get_sdma_base_addr(adev, engine_id, queue_id); + uint32_t i = 0, reg; +#undef HQD_N_REGS +#define HQD_N_REGS (19+6+7+10) + + *dump = kmalloc(HQD_N_REGS*2*sizeof(uint32_t), GFP_KERNEL); + if (*dump == NULL) + return -ENOMEM; + + for (reg = mmSDMA0_RLC0_RB_CNTL; reg <= mmSDMA0_RLC0_DOORBELL; reg++) + DUMP_REG(sdma_base_addr + reg); + for (reg = mmSDMA0_RLC0_STATUS; reg <= mmSDMA0_RLC0_CSA_ADDR_HI; reg++) + DUMP_REG(sdma_base_addr + reg); + for (reg = mmSDMA0_RLC0_IB_SUB_REMAIN; + reg <= mmSDMA0_RLC0_MINOR_PTR_UPDATE; reg++) + DUMP_REG(sdma_base_addr + reg); + for (reg = mmSDMA0_RLC0_MIDCMD_DATA0; + reg <= mmSDMA0_RLC0_MIDCMD_CNTL; reg++) + DUMP_REG(sdma_base_addr + reg); + + WARN_ON_ONCE(i != HQD_N_REGS); + *n_regs = i; + + return 0; +} + +static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address, + uint32_t pipe_id, uint32_t queue_id) +{ + struct amdgpu_device *adev = get_amdgpu_device(kgd); + uint32_t act; + bool retval = false; + uint32_t low, high; + + acquire_queue(kgd, pipe_id, queue_id); + act = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_ACTIVE)); + if (act) { + low = lower_32_bits(queue_address >> 8); + high = upper_32_bits(queue_address >> 8); + + if (low == RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_BASE)) && + high == RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_BASE_HI))) + retval = true; + } + release_queue(kgd); + return retval; +} + +static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd) +{ + struct amdgpu_device *adev = get_amdgpu_device(kgd); + struct v9_sdma_mqd *m; + uint32_t sdma_base_addr; + uint32_t sdma_rlc_rb_cntl; + + m = get_sdma_mqd(mqd); + sdma_base_addr = get_sdma_base_addr(adev, m->sdma_engine_id, + m->sdma_queue_id); + + sdma_rlc_rb_cntl = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL); + + if (sdma_rlc_rb_cntl & SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK) + return true; + + return false; +} + +static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd, + enum kfd_preempt_type reset_type, + unsigned int utimeout, uint32_t pipe_id, + uint32_t queue_id) +{ + struct amdgpu_device *adev = get_amdgpu_device(kgd); + enum hqd_dequeue_request_type type; + unsigned long end_jiffies; + uint32_t temp; + struct v9_mqd *m = get_mqd(mqd); + + acquire_queue(kgd, pipe_id, queue_id); + + if (m->cp_hqd_vmid == 0) + WREG32_FIELD15(GC, 0, RLC_CP_SCHEDULERS, scheduler1, 0); + + switch (reset_type) { + case KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN: + type = DRAIN_PIPE; + break; + case KFD_PREEMPT_TYPE_WAVEFRONT_RESET: + type = RESET_WAVES; + break; + default: + type = DRAIN_PIPE; + break; + } + + WREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_DEQUEUE_REQUEST), type); + + end_jiffies = (utimeout * HZ / 1000) + jiffies; + while (true) { + temp = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_HQD_ACTIVE)); + if (!(temp & CP_HQD_ACTIVE__ACTIVE_MASK)) + break; + if (time_after(jiffies, end_jiffies)) { + pr_err("cp queue preemption time out.\n"); + release_queue(kgd); + return -ETIME; + } + usleep_range(500, 1000); + } + + release_queue(kgd); + return 0; +} + +static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd, + unsigned int utimeout) +{ + struct amdgpu_device *adev = get_amdgpu_device(kgd); + struct v9_sdma_mqd *m; + uint32_t sdma_base_addr; + uint32_t temp; + unsigned long end_jiffies = (utimeout * HZ / 1000) + jiffies; + + m = get_sdma_mqd(mqd); + sdma_base_addr = get_sdma_base_addr(adev, m->sdma_engine_id, + m->sdma_queue_id); + + temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL); + temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK; + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, temp); + + while (true) { + temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS); + if (temp & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK) + break; + if (time_after(jiffies, end_jiffies)) + return -ETIME; + usleep_range(500, 1000); + } + + WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, 0); + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, + RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL) | + SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK); + + m->sdmax_rlcx_rb_rptr = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR); + m->sdmax_rlcx_rb_rptr_hi = + RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_HI); + + return 0; +} + +static bool get_atc_vmid_pasid_mapping_valid(struct kgd_dev *kgd, + uint8_t vmid) +{ + uint32_t reg; + struct amdgpu_device *adev = (struct amdgpu_device *) kgd; + + reg = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING) + + vmid); + return reg & ATC_VMID0_PASID_MAPPING__VALID_MASK; +} + +static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd, + uint8_t vmid) +{ + uint32_t reg; + struct amdgpu_device *adev = (struct amdgpu_device *) kgd; + + reg = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING) + + vmid); + return reg & ATC_VMID0_PASID_MAPPING__PASID_MASK; +} + +static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid) +{ + struct amdgpu_device *adev = (struct amdgpu_device *) kgd; + uint32_t req = (1 << vmid) | + (0 << VM_INVALIDATE_ENG16_REQ__FLUSH_TYPE__SHIFT) | /* legacy */ + VM_INVALIDATE_ENG16_REQ__INVALIDATE_L2_PTES_MASK | + VM_INVALIDATE_ENG16_REQ__INVALIDATE_L2_PDE0_MASK | + VM_INVALIDATE_ENG16_REQ__INVALIDATE_L2_PDE1_MASK | + VM_INVALIDATE_ENG16_REQ__INVALIDATE_L2_PDE2_MASK | + VM_INVALIDATE_ENG16_REQ__INVALIDATE_L1_PTES_MASK; + + mutex_lock(&adev->srbm_mutex); + + /* Use legacy mode tlb invalidation. + * + * Currently on Raven the code below is broken for anything but + * legacy mode due to a MMHUB power gating problem. A workaround + * is for MMHUB to wait until the condition PER_VMID_INVALIDATE_REQ + * == PER_VMID_INVALIDATE_ACK instead of simply waiting for the ack + * bit. + * + * TODO 1: agree on the right set of invalidation registers for + * KFD use. Use the last one for now. Invalidate both GC and + * MMHUB. + * + * TODO 2: support range-based invalidation, requires kfg2kgd + * interface change + */ + WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG16_ADDR_RANGE_LO32), + 0xffffffff); + WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG16_ADDR_RANGE_HI32), + 0x0000001f); + + WREG32(SOC15_REG_OFFSET(MMHUB, 0, + mmMMHUB_VM_INVALIDATE_ENG16_ADDR_RANGE_LO32), + 0xffffffff); + WREG32(SOC15_REG_OFFSET(MMHUB, 0, + mmMMHUB_VM_INVALIDATE_ENG16_ADDR_RANGE_HI32), + 0x0000001f); + + WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG16_REQ), req); + + WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMMHUB_VM_INVALIDATE_ENG16_REQ), + req); + + while (!(RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG16_ACK)) & + (1 << vmid))) + cpu_relax(); + + while (!(RREG32(SOC15_REG_OFFSET(MMHUB, 0, + mmMMHUB_VM_INVALIDATE_ENG16_ACK)) & + (1 << vmid))) + cpu_relax(); + + mutex_unlock(&adev->srbm_mutex); + +} + +static int invalidate_tlbs_with_kiq(struct amdgpu_device *adev, uint16_t pasid) +{ + signed long r; + uint32_t seq; + struct amdgpu_ring *ring = &adev->gfx.kiq.ring; + + spin_lock(&adev->gfx.kiq.ring_lock); + amdgpu_ring_alloc(ring, 12); /* fence + invalidate_tlbs package*/ + amdgpu_ring_write(ring, PACKET3(PACKET3_INVALIDATE_TLBS, 0)); + amdgpu_ring_write(ring, + PACKET3_INVALIDATE_TLBS_DST_SEL(1) | + PACKET3_INVALIDATE_TLBS_ALL_HUB(1) | + PACKET3_INVALIDATE_TLBS_PASID(pasid) | + PACKET3_INVALIDATE_TLBS_FLUSH_TYPE(0)); /* legacy */ + amdgpu_fence_emit_polling(ring, &seq); + amdgpu_ring_commit(ring); + spin_unlock(&adev->gfx.kiq.ring_lock); + + r = amdgpu_fence_wait_polling(ring, seq, adev->usec_timeout); + if (r < 1) { + DRM_ERROR("wait for kiq fence error: %ld.\n", r); + return -ETIME; + } + + return 0; +} + +static int invalidate_tlbs(struct kgd_dev *kgd, uint16_t pasid) +{ + struct amdgpu_device *adev = (struct amdgpu_device *) kgd; + int vmid; + struct amdgpu_ring *ring = &adev->gfx.kiq.ring; + + if (ring->ready) + return invalidate_tlbs_with_kiq(adev, pasid); + + for (vmid = 0; vmid < 16; vmid++) { + if (!amdgpu_amdkfd_is_kfd_vmid(adev, vmid)) + continue; + if (get_atc_vmid_pasid_mapping_valid(kgd, vmid)) { + if (get_atc_vmid_pasid_mapping_pasid(kgd, vmid) + == pasid) { + write_vmid_invalidate_request(kgd, vmid); + break; + } + } + } + + return 0; +} + +static int invalidate_tlbs_vmid(struct kgd_dev *kgd, uint16_t vmid) +{ + struct amdgpu_device *adev = (struct amdgpu_device *) kgd; + + if (!amdgpu_amdkfd_is_kfd_vmid(adev, vmid)) { + pr_err("non kfd vmid %d\n", vmid); + return 0; + } + + write_vmid_invalidate_request(kgd, vmid); + return 0; +} + +static int kgd_address_watch_disable(struct kgd_dev *kgd) +{ + return 0; +} + +static int kgd_address_watch_execute(struct kgd_dev *kgd, + unsigned int watch_point_id, + uint32_t cntl_val, + uint32_t addr_hi, + uint32_t addr_lo) +{ + return 0; +} + +static int kgd_wave_control_execute(struct kgd_dev *kgd, + uint32_t gfx_index_val, + uint32_t sq_cmd) +{ + struct amdgpu_device *adev = get_amdgpu_device(kgd); + uint32_t data = 0; + + mutex_lock(&adev->grbm_idx_mutex); + + WREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_GFX_INDEX), gfx_index_val); + WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_CMD), sq_cmd); + + data = REG_SET_FIELD(data, GRBM_GFX_INDEX, + INSTANCE_BROADCAST_WRITES, 1); + data = REG_SET_FIELD(data, GRBM_GFX_INDEX, + SH_BROADCAST_WRITES, 1); + data = REG_SET_FIELD(data, GRBM_GFX_INDEX, + SE_BROADCAST_WRITES, 1); + + WREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_GFX_INDEX), data); + mutex_unlock(&adev->grbm_idx_mutex); + + return 0; +} + +static uint32_t kgd_address_watch_get_offset(struct kgd_dev *kgd, + unsigned int watch_point_id, + unsigned int reg_offset) +{ + return 0; +} + +static void set_scratch_backing_va(struct kgd_dev *kgd, + uint64_t va, uint32_t vmid) +{ + /* No longer needed on GFXv9. The scratch base address is + * passed to the shader by the CP. It's the user mode driver's + * responsibility. + */ +} + +/* FIXME: Does this need to be ASIC-specific code? */ +static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type) +{ + struct amdgpu_device *adev = (struct amdgpu_device *) kgd; + const union amdgpu_firmware_header *hdr; + + switch (type) { + case KGD_ENGINE_PFP: + hdr = (const union amdgpu_firmware_header *)adev->gfx.pfp_fw->data; + break; + + case KGD_ENGINE_ME: + hdr = (const union amdgpu_firmware_header *)adev->gfx.me_fw->data; + break; + + case KGD_ENGINE_CE: + hdr = (const union amdgpu_firmware_header *)adev->gfx.ce_fw->data; + break; + + case KGD_ENGINE_MEC1: + hdr = (const union amdgpu_firmware_header *)adev->gfx.mec_fw->data; + break; + + case KGD_ENGINE_MEC2: + hdr = (const union amdgpu_firmware_header *)adev->gfx.mec2_fw->data; + break; + + case KGD_ENGINE_RLC: + hdr = (const union amdgpu_firmware_header *)adev->gfx.rlc_fw->data; + break; + + case KGD_ENGINE_SDMA1: + hdr = (const union amdgpu_firmware_header *)adev->sdma.instance[0].fw->data; + break; + + case KGD_ENGINE_SDMA2: + hdr = (const union amdgpu_firmware_header *)adev->sdma.instance[1].fw->data; + break; + + default: + return 0; + } + + if (hdr == NULL) + return 0; + + /* Only 12 bit in use*/ + return hdr->common.ucode_version; +} + +static void set_vm_context_page_table_base(struct kgd_dev *kgd, uint32_t vmid, + uint32_t page_table_base) +{ + struct amdgpu_device *adev = get_amdgpu_device(kgd); + uint64_t base = (uint64_t)page_table_base << PAGE_SHIFT | + AMDGPU_PTE_VALID; + + if (!amdgpu_amdkfd_is_kfd_vmid(adev, vmid)) { + pr_err("trying to set page table base for wrong VMID %u\n", + vmid); + return; + } + + /* TODO: take advantage of per-process address space size. For + * now, all processes share the same address space size, like + * on GFX8 and older. + */ + WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMMHUB_VM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32) + (vmid*2), 0); + WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMMHUB_VM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32) + (vmid*2), 0); + + WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMMHUB_VM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32) + (vmid*2), + lower_32_bits(adev->vm_manager.max_pfn - 1)); + WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMMHUB_VM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32) + (vmid*2), + upper_32_bits(adev->vm_manager.max_pfn - 1)); + + WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMMHUB_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32) + (vmid*2), lower_32_bits(base)); + WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMMHUB_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32) + (vmid*2), upper_32_bits(base)); + + WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32) + (vmid*2), 0); + WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32) + (vmid*2), 0); + + WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32) + (vmid*2), + lower_32_bits(adev->vm_manager.max_pfn - 1)); + WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32) + (vmid*2), + upper_32_bits(adev->vm_manager.max_pfn - 1)); + + WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32) + (vmid*2), lower_32_bits(base)); + WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32) + (vmid*2), upper_32_bits(base)); +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index 1d6e147..5296e24 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -23,6 +23,7 @@ #define pr_fmt(fmt) "kfd2kgd: " fmt #include <linux/list.h> +#include <linux/sched/mm.h> #include <drm/drmP.h> #include "amdgpu_object.h" #include "amdgpu_vm.h" @@ -33,10 +34,20 @@ */ #define VI_BO_SIZE_ALIGN (0x8000) +/* BO flag to indicate a KFD userptr BO */ +#define AMDGPU_AMDKFD_USERPTR_BO (1ULL << 63) + +/* Userptr restore delay, just long enough to allow consecutive VM + * changes to accumulate + */ +#define AMDGPU_USERPTR_RESTORE_DELAY_MS 1 + /* Impose limit on how much memory KFD can use */ static struct { uint64_t max_system_mem_limit; + uint64_t max_userptr_mem_limit; int64_t system_mem_used; + int64_t userptr_mem_used; spinlock_t mem_limit_lock; } kfd_mem_limit; @@ -57,6 +68,7 @@ static const char * const domain_bit_to_string[] = { #define domain_string(domain) domain_bit_to_string[ffs(domain)-1] +static void amdgpu_amdkfd_restore_userptr_worker(struct work_struct *work); static inline struct amdgpu_device *get_amdgpu_device(struct kgd_dev *kgd) @@ -78,6 +90,7 @@ static bool check_if_add_bo_to_vm(struct amdgpu_vm *avm, /* Set memory usage limits. Current, limits are * System (kernel) memory - 3/8th System RAM + * Userptr memory - 3/4th System RAM */ void amdgpu_amdkfd_gpuvm_init_mem_limits(void) { @@ -90,8 +103,10 @@ void amdgpu_amdkfd_gpuvm_init_mem_limits(void) spin_lock_init(&kfd_mem_limit.mem_limit_lock); kfd_mem_limit.max_system_mem_limit = (mem >> 1) - (mem >> 3); - pr_debug("Kernel memory limit %lluM\n", - (kfd_mem_limit.max_system_mem_limit >> 20)); + kfd_mem_limit.max_userptr_mem_limit = mem - (mem >> 2); + pr_debug("Kernel memory limit %lluM, userptr limit %lluM\n", + (kfd_mem_limit.max_system_mem_limit >> 20), + (kfd_mem_limit.max_userptr_mem_limit >> 20)); } static int amdgpu_amdkfd_reserve_system_mem_limit(struct amdgpu_device *adev, @@ -111,6 +126,16 @@ static int amdgpu_amdkfd_reserve_system_mem_limit(struct amdgpu_device *adev, goto err_no_mem; } kfd_mem_limit.system_mem_used += (acc_size + size); + } else if (domain == AMDGPU_GEM_DOMAIN_CPU) { + if ((kfd_mem_limit.system_mem_used + acc_size > + kfd_mem_limit.max_system_mem_limit) || + (kfd_mem_limit.userptr_mem_used + (size + acc_size) > + kfd_mem_limit.max_userptr_mem_limit)) { + ret = -ENOMEM; + goto err_no_mem; + } + kfd_mem_limit.system_mem_used += acc_size; + kfd_mem_limit.userptr_mem_used += size; } err_no_mem: spin_unlock(&kfd_mem_limit.mem_limit_lock); @@ -126,10 +151,16 @@ static void unreserve_system_mem_limit(struct amdgpu_device *adev, sizeof(struct amdgpu_bo)); spin_lock(&kfd_mem_limit.mem_limit_lock); - if (domain == AMDGPU_GEM_DOMAIN_GTT) + if (domain == AMDGPU_GEM_DOMAIN_GTT) { kfd_mem_limit.system_mem_used -= (acc_size + size); + } else if (domain == AMDGPU_GEM_DOMAIN_CPU) { + kfd_mem_limit.system_mem_used -= acc_size; + kfd_mem_limit.userptr_mem_used -= size; + } WARN_ONCE(kfd_mem_limit.system_mem_used < 0, "kfd system memory accounting unbalanced"); + WARN_ONCE(kfd_mem_limit.userptr_mem_used < 0, + "kfd userptr memory accounting unbalanced"); spin_unlock(&kfd_mem_limit.mem_limit_lock); } @@ -138,12 +169,17 @@ void amdgpu_amdkfd_unreserve_system_memory_limit(struct amdgpu_bo *bo) { spin_lock(&kfd_mem_limit.mem_limit_lock); - if (bo->preferred_domains == AMDGPU_GEM_DOMAIN_GTT) { + if (bo->flags & AMDGPU_AMDKFD_USERPTR_BO) { + kfd_mem_limit.system_mem_used -= bo->tbo.acc_size; + kfd_mem_limit.userptr_mem_used -= amdgpu_bo_size(bo); + } else if (bo->preferred_domains == AMDGPU_GEM_DOMAIN_GTT) { kfd_mem_limit.system_mem_used -= (bo->tbo.acc_size + amdgpu_bo_size(bo)); } WARN_ONCE(kfd_mem_limit.system_mem_used < 0, "kfd system memory accounting unbalanced"); + WARN_ONCE(kfd_mem_limit.userptr_mem_used < 0, + "kfd userptr memory accounting unbalanced"); spin_unlock(&kfd_mem_limit.mem_limit_lock); } @@ -506,7 +542,8 @@ static void remove_bo_from_vm(struct amdgpu_device *adev, } static void add_kgd_mem_to_kfd_bo_list(struct kgd_mem *mem, - struct amdkfd_process_info *process_info) + struct amdkfd_process_info *process_info, + bool userptr) { struct ttm_validate_buffer *entry = &mem->validate_list; struct amdgpu_bo *bo = mem->bo; @@ -515,10 +552,95 @@ static void add_kgd_mem_to_kfd_bo_list(struct kgd_mem *mem, entry->shared = true; entry->bo = &bo->tbo; mutex_lock(&process_info->lock); - list_add_tail(&entry->head, &process_info->kfd_bo_list); + if (userptr) + list_add_tail(&entry->head, &process_info->userptr_valid_list); + else + list_add_tail(&entry->head, &process_info->kfd_bo_list); mutex_unlock(&process_info->lock); } +/* Initializes user pages. It registers the MMU notifier and validates + * the userptr BO in the GTT domain. + * + * The BO must already be on the userptr_valid_list. Otherwise an + * eviction and restore may happen that leaves the new BO unmapped + * with the user mode queues running. + * + * Takes the process_info->lock to protect against concurrent restore + * workers. + * + * Returns 0 for success, negative errno for errors. + */ +static int init_user_pages(struct kgd_mem *mem, struct mm_struct *mm, + uint64_t user_addr) +{ + struct amdkfd_process_info *process_info = mem->process_info; + struct amdgpu_bo *bo = mem->bo; + struct ttm_operation_ctx ctx = { true, false }; + int ret = 0; + + mutex_lock(&process_info->lock); + + ret = amdgpu_ttm_tt_set_userptr(bo->tbo.ttm, user_addr, 0); + if (ret) { + pr_err("%s: Failed to set userptr: %d\n", __func__, ret); + goto out; + } + + ret = amdgpu_mn_register(bo, user_addr); + if (ret) { + pr_err("%s: Failed to register MMU notifier: %d\n", + __func__, ret); + goto out; + } + + /* If no restore worker is running concurrently, user_pages + * should not be allocated + */ + WARN(mem->user_pages, "Leaking user_pages array"); + + mem->user_pages = kvmalloc_array(bo->tbo.ttm->num_pages, + sizeof(struct page *), + GFP_KERNEL | __GFP_ZERO); + if (!mem->user_pages) { + pr_err("%s: Failed to allocate pages array\n", __func__); + ret = -ENOMEM; + goto unregister_out; + } + + ret = amdgpu_ttm_tt_get_user_pages(bo->tbo.ttm, mem->user_pages); + if (ret) { + pr_err("%s: Failed to get user pages: %d\n", __func__, ret); + goto free_out; + } + + amdgpu_ttm_tt_set_user_pages(bo->tbo.ttm, mem->user_pages); + + ret = amdgpu_bo_reserve(bo, true); + if (ret) { + pr_err("%s: Failed to reserve BO\n", __func__); + goto release_out; + } + amdgpu_ttm_placement_from_domain(bo, mem->domain); + ret = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx); + if (ret) + pr_err("%s: failed to validate BO\n", __func__); + amdgpu_bo_unreserve(bo); + +release_out: + if (ret) + release_pages(mem->user_pages, bo->tbo.ttm->num_pages); +free_out: + kvfree(mem->user_pages); + mem->user_pages = NULL; +unregister_out: + if (ret) + amdgpu_mn_unregister(bo); +out: + mutex_unlock(&process_info->lock); + return ret; +} + /* Reserving a BO and its page table BOs must happen atomically to * avoid deadlocks. Some operations update multiple VMs at once. Track * all the reservation info in a context structure. Optionally a sync @@ -748,7 +870,8 @@ static int update_gpuvm_pte(struct amdgpu_device *adev, } static int map_bo_to_gpuvm(struct amdgpu_device *adev, - struct kfd_bo_va_list *entry, struct amdgpu_sync *sync) + struct kfd_bo_va_list *entry, struct amdgpu_sync *sync, + bool no_update_pte) { int ret; @@ -762,6 +885,9 @@ static int map_bo_to_gpuvm(struct amdgpu_device *adev, return ret; } + if (no_update_pte) + return 0; + ret = update_gpuvm_pte(adev, entry, sync); if (ret) { pr_err("update_gpuvm_pte() failed\n"); @@ -820,6 +946,8 @@ static int init_kfd_vm(struct amdgpu_vm *vm, void **process_info, mutex_init(&info->lock); INIT_LIST_HEAD(&info->vm_list_head); INIT_LIST_HEAD(&info->kfd_bo_list); + INIT_LIST_HEAD(&info->userptr_valid_list); + INIT_LIST_HEAD(&info->userptr_inval_list); info->eviction_fence = amdgpu_amdkfd_fence_create(dma_fence_context_alloc(1), @@ -830,6 +958,11 @@ static int init_kfd_vm(struct amdgpu_vm *vm, void **process_info, goto create_evict_fence_fail; } + info->pid = get_task_pid(current->group_leader, PIDTYPE_PID); + atomic_set(&info->evicted_bos, 0); + INIT_DELAYED_WORK(&info->restore_userptr_work, + amdgpu_amdkfd_restore_userptr_worker); + *process_info = info; *ef = dma_fence_get(&info->eviction_fence->base); } @@ -872,6 +1005,7 @@ reserve_pd_fail: dma_fence_put(*ef); *ef = NULL; *process_info = NULL; + put_pid(info->pid); create_evict_fence_fail: mutex_destroy(&info->lock); kfree(info); @@ -967,8 +1101,12 @@ void amdgpu_amdkfd_gpuvm_destroy_cb(struct amdgpu_device *adev, /* Release per-process resources when last compute VM is destroyed */ if (!process_info->n_vms) { WARN_ON(!list_empty(&process_info->kfd_bo_list)); + WARN_ON(!list_empty(&process_info->userptr_valid_list)); + WARN_ON(!list_empty(&process_info->userptr_inval_list)); dma_fence_put(&process_info->eviction_fence->base); + cancel_delayed_work_sync(&process_info->restore_userptr_work); + put_pid(process_info->pid); mutex_destroy(&process_info->lock); kfree(process_info); } @@ -1003,9 +1141,10 @@ int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu( { struct amdgpu_device *adev = get_amdgpu_device(kgd); struct amdgpu_vm *avm = (struct amdgpu_vm *)vm; + uint64_t user_addr = 0; struct amdgpu_bo *bo; int byte_align; - u32 alloc_domain; + u32 domain, alloc_domain; u64 alloc_flags; uint32_t mapping_flags; int ret; @@ -1014,14 +1153,21 @@ int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu( * Check on which domain to allocate BO */ if (flags & ALLOC_MEM_FLAGS_VRAM) { - alloc_domain = AMDGPU_GEM_DOMAIN_VRAM; + domain = alloc_domain = AMDGPU_GEM_DOMAIN_VRAM; alloc_flags = AMDGPU_GEM_CREATE_VRAM_CLEARED; alloc_flags |= (flags & ALLOC_MEM_FLAGS_PUBLIC) ? AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED : AMDGPU_GEM_CREATE_NO_CPU_ACCESS; } else if (flags & ALLOC_MEM_FLAGS_GTT) { - alloc_domain = AMDGPU_GEM_DOMAIN_GTT; + domain = alloc_domain = AMDGPU_GEM_DOMAIN_GTT; + alloc_flags = 0; + } else if (flags & ALLOC_MEM_FLAGS_USERPTR) { + domain = AMDGPU_GEM_DOMAIN_GTT; + alloc_domain = AMDGPU_GEM_DOMAIN_CPU; alloc_flags = 0; + if (!offset || !*offset) + return -EINVAL; + user_addr = *offset; } else { return -EINVAL; } @@ -1078,18 +1224,34 @@ int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu( } bo->kfd_bo = *mem; (*mem)->bo = bo; + if (user_addr) + bo->flags |= AMDGPU_AMDKFD_USERPTR_BO; (*mem)->va = va; - (*mem)->domain = alloc_domain; + (*mem)->domain = domain; (*mem)->mapped_to_gpu_memory = 0; (*mem)->process_info = avm->process_info; - add_kgd_mem_to_kfd_bo_list(*mem, avm->process_info); + add_kgd_mem_to_kfd_bo_list(*mem, avm->process_info, user_addr); + + if (user_addr) { + ret = init_user_pages(*mem, current->mm, user_addr); + if (ret) { + mutex_lock(&avm->process_info->lock); + list_del(&(*mem)->validate_list.head); + mutex_unlock(&avm->process_info->lock); + goto allocate_init_user_pages_failed; + } + } if (offset) *offset = amdgpu_bo_mmap_offset(bo); return 0; +allocate_init_user_pages_failed: + amdgpu_bo_unref(&bo); + /* Don't unreserve system mem limit twice */ + goto err_reserve_system_mem; err_bo_create: unreserve_system_mem_limit(adev, size, alloc_domain); err_reserve_system_mem: @@ -1122,12 +1284,24 @@ int amdgpu_amdkfd_gpuvm_free_memory_of_gpu( * be freed anyway */ + /* No more MMU notifiers */ + amdgpu_mn_unregister(mem->bo); + /* Make sure restore workers don't access the BO any more */ bo_list_entry = &mem->validate_list; mutex_lock(&process_info->lock); list_del(&bo_list_entry->head); mutex_unlock(&process_info->lock); + /* Free user pages if necessary */ + if (mem->user_pages) { + pr_debug("%s: Freeing user_pages array\n", __func__); + if (mem->user_pages[0]) + release_pages(mem->user_pages, + mem->bo->tbo.ttm->num_pages); + kvfree(mem->user_pages); + } + ret = reserve_bo_and_cond_vms(mem, NULL, BO_VM_ALL, &ctx); if (unlikely(ret)) return ret; @@ -1173,21 +1347,32 @@ int amdgpu_amdkfd_gpuvm_map_memory_to_gpu( struct kfd_bo_va_list *bo_va_entry = NULL; struct kfd_bo_va_list *bo_va_entry_aql = NULL; unsigned long bo_size; - - /* Make sure restore is not running concurrently. - */ - mutex_lock(&mem->process_info->lock); - - mutex_lock(&mem->lock); + bool is_invalid_userptr = false; bo = mem->bo; - if (!bo) { pr_err("Invalid BO when mapping memory to GPU\n"); - ret = -EINVAL; - goto out; + return -EINVAL; } + /* Make sure restore is not running concurrently. Since we + * don't map invalid userptr BOs, we rely on the next restore + * worker to do the mapping + */ + mutex_lock(&mem->process_info->lock); + + /* Lock mmap-sem. If we find an invalid userptr BO, we can be + * sure that the MMU notifier is no longer running + * concurrently and the queues are actually stopped + */ + if (amdgpu_ttm_tt_get_usermm(bo->tbo.ttm)) { + down_write(¤t->mm->mmap_sem); + is_invalid_userptr = atomic_read(&mem->invalid); + up_write(¤t->mm->mmap_sem); + } + + mutex_lock(&mem->lock); + domain = mem->domain; bo_size = bo->tbo.mem.size; @@ -1200,6 +1385,14 @@ int amdgpu_amdkfd_gpuvm_map_memory_to_gpu( if (unlikely(ret)) goto out; + /* Userptr can be marked as "not invalid", but not actually be + * validated yet (still in the system domain). In that case + * the queues are still stopped and we can leave mapping for + * the next restore worker + */ + if (bo->tbo.mem.mem_type == TTM_PL_SYSTEM) + is_invalid_userptr = true; + if (check_if_add_bo_to_vm(avm, mem)) { ret = add_bo_to_vm(adev, mem, avm, false, &bo_va_entry); @@ -1217,7 +1410,8 @@ int amdgpu_amdkfd_gpuvm_map_memory_to_gpu( goto add_bo_to_vm_failed; } - if (mem->mapped_to_gpu_memory == 0) { + if (mem->mapped_to_gpu_memory == 0 && + !amdgpu_ttm_tt_get_usermm(bo->tbo.ttm)) { /* Validate BO only once. The eviction fence gets added to BO * the first time it is mapped. Validate will wait for all * background evictions to complete. @@ -1235,7 +1429,8 @@ int amdgpu_amdkfd_gpuvm_map_memory_to_gpu( entry->va, entry->va + bo_size, entry); - ret = map_bo_to_gpuvm(adev, entry, ctx.sync); + ret = map_bo_to_gpuvm(adev, entry, ctx.sync, + is_invalid_userptr); if (ret) { pr_err("Failed to map radeon bo to gpuvm\n"); goto map_bo_to_gpuvm_failed; @@ -1418,6 +1613,337 @@ bo_reserve_failed: return ret; } +/* Evict a userptr BO by stopping the queues if necessary + * + * Runs in MMU notifier, may be in RECLAIM_FS context. This means it + * cannot do any memory allocations, and cannot take any locks that + * are held elsewhere while allocating memory. Therefore this is as + * simple as possible, using atomic counters. + * + * It doesn't do anything to the BO itself. The real work happens in + * restore, where we get updated page addresses. This function only + * ensures that GPU access to the BO is stopped. + */ +int amdgpu_amdkfd_evict_userptr(struct kgd_mem *mem, + struct mm_struct *mm) +{ + struct amdkfd_process_info *process_info = mem->process_info; + int invalid, evicted_bos; + int r = 0; + + invalid = atomic_inc_return(&mem->invalid); + evicted_bos = atomic_inc_return(&process_info->evicted_bos); + if (evicted_bos == 1) { + /* First eviction, stop the queues */ + r = kgd2kfd->quiesce_mm(mm); + if (r) + pr_err("Failed to quiesce KFD\n"); + schedule_delayed_work(&process_info->restore_userptr_work, + msecs_to_jiffies(AMDGPU_USERPTR_RESTORE_DELAY_MS)); + } + + return r; +} + +/* Update invalid userptr BOs + * + * Moves invalidated (evicted) userptr BOs from userptr_valid_list to + * userptr_inval_list and updates user pages for all BOs that have + * been invalidated since their last update. + */ +static int update_invalid_user_pages(struct amdkfd_process_info *process_info, + struct mm_struct *mm) +{ + struct kgd_mem *mem, *tmp_mem; + struct amdgpu_bo *bo; + struct ttm_operation_ctx ctx = { false, false }; + int invalid, ret; + + /* Move all invalidated BOs to the userptr_inval_list and + * release their user pages by migration to the CPU domain + */ + list_for_each_entry_safe(mem, tmp_mem, + &process_info->userptr_valid_list, + validate_list.head) { + if (!atomic_read(&mem->invalid)) + continue; /* BO is still valid */ + + bo = mem->bo; + + if (amdgpu_bo_reserve(bo, true)) + return -EAGAIN; + amdgpu_ttm_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_CPU); + ret = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx); + amdgpu_bo_unreserve(bo); + if (ret) { + pr_err("%s: Failed to invalidate userptr BO\n", + __func__); + return -EAGAIN; + } + + list_move_tail(&mem->validate_list.head, + &process_info->userptr_inval_list); + } + + if (list_empty(&process_info->userptr_inval_list)) + return 0; /* All evicted userptr BOs were freed */ + + /* Go through userptr_inval_list and update any invalid user_pages */ + list_for_each_entry(mem, &process_info->userptr_inval_list, + validate_list.head) { + invalid = atomic_read(&mem->invalid); + if (!invalid) + /* BO hasn't been invalidated since the last + * revalidation attempt. Keep its BO list. + */ + continue; + + bo = mem->bo; + + if (!mem->user_pages) { + mem->user_pages = + kvmalloc_array(bo->tbo.ttm->num_pages, + sizeof(struct page *), + GFP_KERNEL | __GFP_ZERO); + if (!mem->user_pages) { + pr_err("%s: Failed to allocate pages array\n", + __func__); + return -ENOMEM; + } + } else if (mem->user_pages[0]) { + release_pages(mem->user_pages, bo->tbo.ttm->num_pages); + } + + /* Get updated user pages */ + ret = amdgpu_ttm_tt_get_user_pages(bo->tbo.ttm, + mem->user_pages); + if (ret) { + mem->user_pages[0] = NULL; + pr_info("%s: Failed to get user pages: %d\n", + __func__, ret); + /* Pretend it succeeded. It will fail later + * with a VM fault if the GPU tries to access + * it. Better than hanging indefinitely with + * stalled user mode queues. + */ + } + + /* Mark the BO as valid unless it was invalidated + * again concurrently + */ + if (atomic_cmpxchg(&mem->invalid, invalid, 0) != invalid) + return -EAGAIN; + } + + return 0; +} + +/* Validate invalid userptr BOs + * + * Validates BOs on the userptr_inval_list, and moves them back to the + * userptr_valid_list. Also updates GPUVM page tables with new page + * addresses and waits for the page table updates to complete. + */ +static int validate_invalid_user_pages(struct amdkfd_process_info *process_info) +{ + struct amdgpu_bo_list_entry *pd_bo_list_entries; + struct list_head resv_list, duplicates; + struct ww_acquire_ctx ticket; + struct amdgpu_sync sync; + + struct amdgpu_vm *peer_vm; + struct kgd_mem *mem, *tmp_mem; + struct amdgpu_bo *bo; + struct ttm_operation_ctx ctx = { false, false }; + int i, ret; + + pd_bo_list_entries = kcalloc(process_info->n_vms, + sizeof(struct amdgpu_bo_list_entry), + GFP_KERNEL); + if (!pd_bo_list_entries) { + pr_err("%s: Failed to allocate PD BO list entries\n", __func__); + return -ENOMEM; + } + + INIT_LIST_HEAD(&resv_list); + INIT_LIST_HEAD(&duplicates); + + /* Get all the page directory BOs that need to be reserved */ + i = 0; + list_for_each_entry(peer_vm, &process_info->vm_list_head, + vm_list_node) + amdgpu_vm_get_pd_bo(peer_vm, &resv_list, + &pd_bo_list_entries[i++]); + /* Add the userptr_inval_list entries to resv_list */ + list_for_each_entry(mem, &process_info->userptr_inval_list, + validate_list.head) { + list_add_tail(&mem->resv_list.head, &resv_list); + mem->resv_list.bo = mem->validate_list.bo; + mem->resv_list.shared = mem->validate_list.shared; + } + + /* Reserve all BOs and page tables for validation */ + ret = ttm_eu_reserve_buffers(&ticket, &resv_list, false, &duplicates); + WARN(!list_empty(&duplicates), "Duplicates should be empty"); + if (ret) + goto out; + + amdgpu_sync_create(&sync); + + /* Avoid triggering eviction fences when unmapping invalid + * userptr BOs (waits for all fences, doesn't use + * FENCE_OWNER_VM) + */ + list_for_each_entry(peer_vm, &process_info->vm_list_head, + vm_list_node) + amdgpu_amdkfd_remove_eviction_fence(peer_vm->root.base.bo, + process_info->eviction_fence, + NULL, NULL); + + ret = process_validate_vms(process_info); + if (ret) + goto unreserve_out; + + /* Validate BOs and update GPUVM page tables */ + list_for_each_entry_safe(mem, tmp_mem, + &process_info->userptr_inval_list, + validate_list.head) { + struct kfd_bo_va_list *bo_va_entry; + + bo = mem->bo; + + /* Copy pages array and validate the BO if we got user pages */ + if (mem->user_pages[0]) { + amdgpu_ttm_tt_set_user_pages(bo->tbo.ttm, + mem->user_pages); + amdgpu_ttm_placement_from_domain(bo, mem->domain); + ret = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx); + if (ret) { + pr_err("%s: failed to validate BO\n", __func__); + goto unreserve_out; + } + } + + /* Validate succeeded, now the BO owns the pages, free + * our copy of the pointer array. Put this BO back on + * the userptr_valid_list. If we need to revalidate + * it, we need to start from scratch. + */ + kvfree(mem->user_pages); + mem->user_pages = NULL; + list_move_tail(&mem->validate_list.head, + &process_info->userptr_valid_list); + + /* Update mapping. If the BO was not validated + * (because we couldn't get user pages), this will + * clear the page table entries, which will result in + * VM faults if the GPU tries to access the invalid + * memory. + */ + list_for_each_entry(bo_va_entry, &mem->bo_va_list, bo_list) { + if (!bo_va_entry->is_mapped) + continue; + + ret = update_gpuvm_pte((struct amdgpu_device *) + bo_va_entry->kgd_dev, + bo_va_entry, &sync); + if (ret) { + pr_err("%s: update PTE failed\n", __func__); + /* make sure this gets validated again */ + atomic_inc(&mem->invalid); + goto unreserve_out; + } + } + } + + /* Update page directories */ + ret = process_update_pds(process_info, &sync); + +unreserve_out: + list_for_each_entry(peer_vm, &process_info->vm_list_head, + vm_list_node) + amdgpu_bo_fence(peer_vm->root.base.bo, + &process_info->eviction_fence->base, true); + ttm_eu_backoff_reservation(&ticket, &resv_list); + amdgpu_sync_wait(&sync, false); + amdgpu_sync_free(&sync); +out: + kfree(pd_bo_list_entries); + + return ret; +} + +/* Worker callback to restore evicted userptr BOs + * + * Tries to update and validate all userptr BOs. If successful and no + * concurrent evictions happened, the queues are restarted. Otherwise, + * reschedule for another attempt later. + */ +static void amdgpu_amdkfd_restore_userptr_worker(struct work_struct *work) +{ + struct delayed_work *dwork = to_delayed_work(work); + struct amdkfd_process_info *process_info = + container_of(dwork, struct amdkfd_process_info, + restore_userptr_work); + struct task_struct *usertask; + struct mm_struct *mm; + int evicted_bos; + + evicted_bos = atomic_read(&process_info->evicted_bos); + if (!evicted_bos) + return; + + /* Reference task and mm in case of concurrent process termination */ + usertask = get_pid_task(process_info->pid, PIDTYPE_PID); + if (!usertask) + return; + mm = get_task_mm(usertask); + if (!mm) { + put_task_struct(usertask); + return; + } + + mutex_lock(&process_info->lock); + + if (update_invalid_user_pages(process_info, mm)) + goto unlock_out; + /* userptr_inval_list can be empty if all evicted userptr BOs + * have been freed. In that case there is nothing to validate + * and we can just restart the queues. + */ + if (!list_empty(&process_info->userptr_inval_list)) { + if (atomic_read(&process_info->evicted_bos) != evicted_bos) + goto unlock_out; /* Concurrent eviction, try again */ + + if (validate_invalid_user_pages(process_info)) + goto unlock_out; + } + /* Final check for concurrent evicton and atomic update. If + * another eviction happens after successful update, it will + * be a first eviction that calls quiesce_mm. The eviction + * reference counting inside KFD will handle this case. + */ + if (atomic_cmpxchg(&process_info->evicted_bos, evicted_bos, 0) != + evicted_bos) + goto unlock_out; + evicted_bos = 0; + if (kgd2kfd->resume_mm(mm)) { + pr_err("%s: Failed to resume KFD\n", __func__); + /* No recovery from this failure. Probably the CP is + * hanging. No point trying again. + */ + } +unlock_out: + mutex_unlock(&process_info->lock); + mmput(mm); + put_task_struct(usertask); + + /* If validation failed, reschedule another attempt */ + if (evicted_bos) + schedule_delayed_work(&process_info->restore_userptr_work, + msecs_to_jiffies(AMDGPU_USERPTR_RESTORE_DELAY_MS)); +} + /** amdgpu_amdkfd_gpuvm_restore_process_bos - Restore all BOs for the given * KFD process identified by process_info * diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index dc34b50..8e66f37 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -536,7 +536,7 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p, if (p->bo_list) { amdgpu_bo_list_get_list(p->bo_list, &p->validated); if (p->bo_list->first_userptr != p->bo_list->num_entries) - p->mn = amdgpu_mn_get(p->adev); + p->mn = amdgpu_mn_get(p->adev, AMDGPU_MN_TYPE_GFX); } INIT_LIST_HEAD(&duplicates); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c index bd67f4c..83e344f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c @@ -36,12 +36,14 @@ #include <drm/drm.h> #include "amdgpu.h" +#include "amdgpu_amdkfd.h" struct amdgpu_mn { /* constant after initialisation */ struct amdgpu_device *adev; struct mm_struct *mm; struct mmu_notifier mn; + enum amdgpu_mn_type type; /* only used on destruction */ struct work_struct work; @@ -185,7 +187,7 @@ static void amdgpu_mn_invalidate_node(struct amdgpu_mn_node *node, } /** - * amdgpu_mn_invalidate_range_start - callback to notify about mm change + * amdgpu_mn_invalidate_range_start_gfx - callback to notify about mm change * * @mn: our notifier * @mn: the mm this callback is about @@ -195,10 +197,10 @@ static void amdgpu_mn_invalidate_node(struct amdgpu_mn_node *node, * We block for all BOs between start and end to be idle and * unmap them by move them into system domain again. */ -static void amdgpu_mn_invalidate_range_start(struct mmu_notifier *mn, - struct mm_struct *mm, - unsigned long start, - unsigned long end) +static void amdgpu_mn_invalidate_range_start_gfx(struct mmu_notifier *mn, + struct mm_struct *mm, + unsigned long start, + unsigned long end) { struct amdgpu_mn *rmn = container_of(mn, struct amdgpu_mn, mn); struct interval_tree_node *it; @@ -220,6 +222,49 @@ static void amdgpu_mn_invalidate_range_start(struct mmu_notifier *mn, } /** + * amdgpu_mn_invalidate_range_start_hsa - callback to notify about mm change + * + * @mn: our notifier + * @mn: the mm this callback is about + * @start: start of updated range + * @end: end of updated range + * + * We temporarily evict all BOs between start and end. This + * necessitates evicting all user-mode queues of the process. The BOs + * are restorted in amdgpu_mn_invalidate_range_end_hsa. + */ +static void amdgpu_mn_invalidate_range_start_hsa(struct mmu_notifier *mn, + struct mm_struct *mm, + unsigned long start, + unsigned long end) +{ + struct amdgpu_mn *rmn = container_of(mn, struct amdgpu_mn, mn); + struct interval_tree_node *it; + + /* notification is exclusive, but interval is inclusive */ + end -= 1; + + amdgpu_mn_read_lock(rmn); + + it = interval_tree_iter_first(&rmn->objects, start, end); + while (it) { + struct amdgpu_mn_node *node; + struct amdgpu_bo *bo; + + node = container_of(it, struct amdgpu_mn_node, it); + it = interval_tree_iter_next(it, start, end); + + list_for_each_entry(bo, &node->bos, mn_list) { + struct kgd_mem *mem = bo->kfd_bo; + + if (amdgpu_ttm_tt_affect_userptr(bo->tbo.ttm, + start, end)) + amdgpu_amdkfd_evict_userptr(mem, mm); + } + } +} + +/** * amdgpu_mn_invalidate_range_end - callback to notify about mm change * * @mn: our notifier @@ -239,23 +284,39 @@ static void amdgpu_mn_invalidate_range_end(struct mmu_notifier *mn, amdgpu_mn_read_unlock(rmn); } -static const struct mmu_notifier_ops amdgpu_mn_ops = { - .release = amdgpu_mn_release, - .invalidate_range_start = amdgpu_mn_invalidate_range_start, - .invalidate_range_end = amdgpu_mn_invalidate_range_end, +static const struct mmu_notifier_ops amdgpu_mn_ops[] = { + [AMDGPU_MN_TYPE_GFX] = { + .release = amdgpu_mn_release, + .invalidate_range_start = amdgpu_mn_invalidate_range_start_gfx, + .invalidate_range_end = amdgpu_mn_invalidate_range_end, + }, + [AMDGPU_MN_TYPE_HSA] = { + .release = amdgpu_mn_release, + .invalidate_range_start = amdgpu_mn_invalidate_range_start_hsa, + .invalidate_range_end = amdgpu_mn_invalidate_range_end, + }, }; +/* Low bits of any reasonable mm pointer will be unused due to struct + * alignment. Use these bits to make a unique key from the mm pointer + * and notifier type. + */ +#define AMDGPU_MN_KEY(mm, type) ((unsigned long)(mm) + (type)) + /** * amdgpu_mn_get - create notifier context * * @adev: amdgpu device pointer + * @type: type of MMU notifier context * * Creates a notifier context for current->mm. */ -struct amdgpu_mn *amdgpu_mn_get(struct amdgpu_device *adev) +struct amdgpu_mn *amdgpu_mn_get(struct amdgpu_device *adev, + enum amdgpu_mn_type type) { struct mm_struct *mm = current->mm; struct amdgpu_mn *rmn; + unsigned long key = AMDGPU_MN_KEY(mm, type); int r; mutex_lock(&adev->mn_lock); @@ -264,8 +325,8 @@ struct amdgpu_mn *amdgpu_mn_get(struct amdgpu_device *adev) return ERR_PTR(-EINTR); } - hash_for_each_possible(adev->mn_hash, rmn, node, (unsigned long)mm) - if (rmn->mm == mm) + hash_for_each_possible(adev->mn_hash, rmn, node, key) + if (AMDGPU_MN_KEY(rmn->mm, rmn->type) == key) goto release_locks; rmn = kzalloc(sizeof(*rmn), GFP_KERNEL); @@ -276,8 +337,9 @@ struct amdgpu_mn *amdgpu_mn_get(struct amdgpu_device *adev) rmn->adev = adev; rmn->mm = mm; - rmn->mn.ops = &amdgpu_mn_ops; init_rwsem(&rmn->lock); + rmn->type = type; + rmn->mn.ops = &amdgpu_mn_ops[type]; rmn->objects = RB_ROOT_CACHED; mutex_init(&rmn->read_lock); atomic_set(&rmn->recursion, 0); @@ -286,7 +348,7 @@ struct amdgpu_mn *amdgpu_mn_get(struct amdgpu_device *adev) if (r) goto free_rmn; - hash_add(adev->mn_hash, &rmn->node, (unsigned long)mm); + hash_add(adev->mn_hash, &rmn->node, AMDGPU_MN_KEY(mm, type)); release_locks: up_write(&mm->mmap_sem); @@ -315,15 +377,21 @@ int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr) { unsigned long end = addr + amdgpu_bo_size(bo) - 1; struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); + enum amdgpu_mn_type type = + bo->kfd_bo ? AMDGPU_MN_TYPE_HSA : AMDGPU_MN_TYPE_GFX; struct amdgpu_mn *rmn; - struct amdgpu_mn_node *node = NULL; + struct amdgpu_mn_node *node = NULL, *new_node; struct list_head bos; struct interval_tree_node *it; - rmn = amdgpu_mn_get(adev); + rmn = amdgpu_mn_get(adev, type); if (IS_ERR(rmn)) return PTR_ERR(rmn); + new_node = kmalloc(sizeof(*new_node), GFP_KERNEL); + if (!new_node) + return -ENOMEM; + INIT_LIST_HEAD(&bos); down_write(&rmn->lock); @@ -337,13 +405,10 @@ int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr) list_splice(&node->bos, &bos); } - if (!node) { - node = kmalloc(sizeof(struct amdgpu_mn_node), GFP_KERNEL); - if (!node) { - up_write(&rmn->lock); - return -ENOMEM; - } - } + if (!node) + node = new_node; + else + kfree(new_node); bo->mn = rmn; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h index d0095a3..eb0f432 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h @@ -29,16 +29,23 @@ */ struct amdgpu_mn; +enum amdgpu_mn_type { + AMDGPU_MN_TYPE_GFX, + AMDGPU_MN_TYPE_HSA, +}; + #if defined(CONFIG_MMU_NOTIFIER) void amdgpu_mn_lock(struct amdgpu_mn *mn); void amdgpu_mn_unlock(struct amdgpu_mn *mn); -struct amdgpu_mn *amdgpu_mn_get(struct amdgpu_device *adev); +struct amdgpu_mn *amdgpu_mn_get(struct amdgpu_device *adev, + enum amdgpu_mn_type type); int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr); void amdgpu_mn_unregister(struct amdgpu_bo *bo); #else static inline void amdgpu_mn_lock(struct amdgpu_mn *mn) {} static inline void amdgpu_mn_unlock(struct amdgpu_mn *mn) {} -static inline struct amdgpu_mn *amdgpu_mn_get(struct amdgpu_device *adev) +static inline struct amdgpu_mn *amdgpu_mn_get(struct amdgpu_device *adev, + enum amdgpu_mn_type type) { return NULL; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 205da3f..c713d30 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -695,7 +695,7 @@ struct amdgpu_ttm_tt { struct ttm_dma_tt ttm; u64 offset; uint64_t userptr; - struct mm_struct *usermm; + struct task_struct *usertask; uint32_t userflags; spinlock_t guptasklock; struct list_head guptasks; @@ -706,14 +706,18 @@ struct amdgpu_ttm_tt { int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages) { struct amdgpu_ttm_tt *gtt = (void *)ttm; + struct mm_struct *mm = gtt->usertask->mm; unsigned int flags = 0; unsigned pinned = 0; int r; + if (!mm) /* Happens during process shutdown */ + return -ESRCH; + if (!(gtt->userflags & AMDGPU_GEM_USERPTR_READONLY)) flags |= FOLL_WRITE; - down_read(¤t->mm->mmap_sem); + down_read(&mm->mmap_sem); if (gtt->userflags & AMDGPU_GEM_USERPTR_ANONONLY) { /* check that we only use anonymous memory @@ -721,9 +725,9 @@ int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages) unsigned long end = gtt->userptr + ttm->num_pages * PAGE_SIZE; struct vm_area_struct *vma; - vma = find_vma(gtt->usermm, gtt->userptr); + vma = find_vma(mm, gtt->userptr); if (!vma || vma->vm_file || vma->vm_end < end) { - up_read(¤t->mm->mmap_sem); + up_read(&mm->mmap_sem); return -EPERM; } } @@ -739,7 +743,12 @@ int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages) list_add(&guptask.list, >t->guptasks); spin_unlock(>t->guptasklock); - r = get_user_pages(userptr, num_pages, flags, p, NULL); + if (mm == current->mm) + r = get_user_pages(userptr, num_pages, flags, p, NULL); + else + r = get_user_pages_remote(gtt->usertask, + mm, userptr, num_pages, + flags, p, NULL, NULL); spin_lock(>t->guptasklock); list_del(&guptask.list); @@ -752,12 +761,12 @@ int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages) } while (pinned < ttm->num_pages); - up_read(¤t->mm->mmap_sem); + up_read(&mm->mmap_sem); return 0; release_pages: release_pages(pages, pinned); - up_read(¤t->mm->mmap_sem); + up_read(&mm->mmap_sem); return r; } @@ -978,6 +987,9 @@ static void amdgpu_ttm_backend_destroy(struct ttm_tt *ttm) { struct amdgpu_ttm_tt *gtt = (void *)ttm; + if (gtt->usertask) + put_task_struct(gtt->usertask); + ttm_dma_tt_fini(>t->ttm); kfree(gtt); } @@ -1079,8 +1091,13 @@ int amdgpu_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr, return -EINVAL; gtt->userptr = addr; - gtt->usermm = current->mm; gtt->userflags = flags; + + if (gtt->usertask) + put_task_struct(gtt->usertask); + gtt->usertask = current->group_leader; + get_task_struct(gtt->usertask); + spin_lock_init(>t->guptasklock); INIT_LIST_HEAD(>t->guptasks); atomic_set(>t->mmu_invalidations, 0); @@ -1096,7 +1113,10 @@ struct mm_struct *amdgpu_ttm_tt_get_usermm(struct ttm_tt *ttm) if (gtt == NULL) return NULL; - return gtt->usermm; + if (gtt->usertask == NULL) + return NULL; + + return gtt->usertask->mm; } bool amdgpu_ttm_tt_affect_userptr(struct ttm_tt *ttm, unsigned long start, diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 9d39fd5..e5962e6 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -4686,6 +4686,7 @@ static int gfx_v9_0_get_cu_info(struct amdgpu_device *adev, cu_info->number = active_cu_number; cu_info->ao_cu_mask = ao_cu_mask; + cu_info->simd_per_cu = NUM_SIMD_PER_CU; return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/soc15d.h b/drivers/gpu/drm/amd/amdgpu/soc15d.h index 7f408f8..f22f7a8 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15d.h +++ b/drivers/gpu/drm/amd/amdgpu/soc15d.h @@ -268,6 +268,11 @@ * x=1: tmz_end */ +#define PACKET3_INVALIDATE_TLBS 0x98 +# define PACKET3_INVALIDATE_TLBS_DST_SEL(x) ((x) << 0) +# define PACKET3_INVALIDATE_TLBS_ALL_HUB(x) ((x) << 4) +# define PACKET3_INVALIDATE_TLBS_PASID(x) ((x) << 5) +# define PACKET3_INVALIDATE_TLBS_FLUSH_TYPE(x) ((x) << 29) #define PACKET3_SET_RESOURCES 0xA0 /* 1. header * 2. CONTROL diff --git a/drivers/gpu/drm/amd/amdkfd/Makefile b/drivers/gpu/drm/amd/amdkfd/Makefile index 0d02422..ffd096f 100644 --- a/drivers/gpu/drm/amd/amdkfd/Makefile +++ b/drivers/gpu/drm/amd/amdkfd/Makefile @@ -30,12 +30,14 @@ amdkfd-y := kfd_module.o kfd_device.o kfd_chardev.o kfd_topology.o \ kfd_pasid.o kfd_doorbell.o kfd_flat_memory.o \ kfd_process.o kfd_queue.o kfd_mqd_manager.o \ kfd_mqd_manager_cik.o kfd_mqd_manager_vi.o \ + kfd_mqd_manager_v9.o \ kfd_kernel_queue.o kfd_kernel_queue_cik.o \ - kfd_kernel_queue_vi.o kfd_packet_manager.o \ - kfd_process_queue_manager.o kfd_device_queue_manager.o \ - kfd_device_queue_manager_cik.o kfd_device_queue_manager_vi.o \ + kfd_kernel_queue_vi.o kfd_kernel_queue_v9.o \ + kfd_packet_manager.o kfd_process_queue_manager.o \ + kfd_device_queue_manager.o kfd_device_queue_manager_cik.o \ + kfd_device_queue_manager_vi.o kfd_device_queue_manager_v9.o \ kfd_interrupt.o kfd_events.o cik_event_interrupt.o \ - kfd_dbgdev.o kfd_dbgmgr.o kfd_crat.o + kfd_int_process_v9.o kfd_dbgdev.o kfd_dbgmgr.o kfd_crat.o ifneq ($(CONFIG_AMD_IOMMU_V2),) amdkfd-y += kfd_iommu.o diff --git a/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c b/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c index 3d5ccb3..49df6c7 100644 --- a/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c +++ b/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c @@ -27,18 +27,28 @@ static bool cik_event_interrupt_isr(struct kfd_dev *dev, const uint32_t *ih_ring_entry) { - unsigned int pasid; const struct cik_ih_ring_entry *ihre = (const struct cik_ih_ring_entry *)ih_ring_entry; + unsigned int vmid, pasid; + + /* Only handle interrupts from KFD VMIDs */ + vmid = (ihre->ring_id & 0x0000ff00) >> 8; + if (vmid < dev->vm_info.first_vmid_kfd || + vmid > dev->vm_info.last_vmid_kfd) + return 0; + /* If there is no valid PASID, it's likely a firmware bug */ pasid = (ihre->ring_id & 0xffff0000) >> 16; + if (WARN_ONCE(pasid == 0, "FW bug: No PASID in KFD interrupt")) + return 0; - /* Do not process in ISR, just request it to be forwarded to WQ. */ - return (pasid != 0) && - (ihre->source_id == CIK_INTSRC_CP_END_OF_PIPE || + /* Interrupt types we care about: various signals and faults. + * They will be forwarded to a work queue (see below). + */ + return ihre->source_id == CIK_INTSRC_CP_END_OF_PIPE || ihre->source_id == CIK_INTSRC_SDMA_TRAP || ihre->source_id == CIK_INTSRC_SQ_INTERRUPT_MSG || - ihre->source_id == CIK_INTSRC_CP_BAD_OPCODE); + ihre->source_id == CIK_INTSRC_CP_BAD_OPCODE; } static void cik_event_interrupt_wq(struct kfd_dev *dev, diff --git a/drivers/gpu/drm/amd/amdkfd/cik_regs.h b/drivers/gpu/drm/amd/amdkfd/cik_regs.h index 48769d1..37ce6dd 100644 --- a/drivers/gpu/drm/amd/amdkfd/cik_regs.h +++ b/drivers/gpu/drm/amd/amdkfd/cik_regs.h @@ -33,7 +33,8 @@ #define APE1_MTYPE(x) ((x) << 7) /* valid for both DEFAULT_MTYPE and APE1_MTYPE */ -#define MTYPE_CACHED 0 +#define MTYPE_CACHED_NV 0 +#define MTYPE_CACHED 1 #define MTYPE_NONCACHED 3 #define DEFAULT_CP_HQD_PERSISTENT_STATE (0x33U << 8) diff --git a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler.h b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler.h new file mode 100644 index 0000000..f68aef0 --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler.h @@ -0,0 +1,560 @@ +/* + * Copyright 2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +static const uint32_t cwsr_trap_gfx8_hex[] = { + 0xbf820001, 0xbf820125, + 0xb8f4f802, 0x89748674, + 0xb8f5f803, 0x8675ff75, + 0x00000400, 0xbf850011, + 0xc00a1e37, 0x00000000, + 0xbf8c007f, 0x87777978, + 0xbf840002, 0xb974f802, + 0xbe801d78, 0xb8f5f803, + 0x8675ff75, 0x000001ff, + 0xbf850002, 0x80708470, + 0x82718071, 0x8671ff71, + 0x0000ffff, 0xb974f802, + 0xbe801f70, 0xb8f5f803, + 0x8675ff75, 0x00000100, + 0xbf840006, 0xbefa0080, + 0xb97a0203, 0x8671ff71, + 0x0000ffff, 0x80f08870, + 0x82f18071, 0xbefa0080, + 0xb97a0283, 0xbef60068, + 0xbef70069, 0xb8fa1c07, + 0x8e7a9c7a, 0x87717a71, + 0xb8fa03c7, 0x8e7a9b7a, + 0x87717a71, 0xb8faf807, + 0x867aff7a, 0x00007fff, + 0xb97af807, 0xbef2007e, + 0xbef3007f, 0xbefe0180, + 0xbf900004, 0x877a8474, + 0xb97af802, 0xbf8e0002, + 0xbf88fffe, 0xbef8007e, + 0x8679ff7f, 0x0000ffff, + 0x8779ff79, 0x00040000, + 0xbefa0080, 0xbefb00ff, + 0x00807fac, 0x867aff7f, + 0x08000000, 0x8f7a837a, + 0x877b7a7b, 0x867aff7f, + 0x70000000, 0x8f7a817a, + 0x877b7a7b, 0xbeef007c, + 0xbeee0080, 0xb8ee2a05, + 0x806e816e, 0x8e6e8a6e, + 0xb8fa1605, 0x807a817a, + 0x8e7a867a, 0x806e7a6e, + 0xbefa0084, 0xbefa00ff, + 0x01000000, 0xbefe007c, + 0xbefc006e, 0xc0611bfc, + 0x0000007c, 0x806e846e, + 0xbefc007e, 0xbefe007c, + 0xbefc006e, 0xc0611c3c, + 0x0000007c, 0x806e846e, + 0xbefc007e, 0xbefe007c, + 0xbefc006e, 0xc0611c7c, + 0x0000007c, 0x806e846e, + 0xbefc007e, 0xbefe007c, + 0xbefc006e, 0xc0611cbc, + 0x0000007c, 0x806e846e, + 0xbefc007e, 0xbefe007c, + 0xbefc006e, 0xc0611cfc, + 0x0000007c, 0x806e846e, + 0xbefc007e, 0xbefe007c, + 0xbefc006e, 0xc0611d3c, + 0x0000007c, 0x806e846e, + 0xbefc007e, 0xb8f5f803, + 0xbefe007c, 0xbefc006e, + 0xc0611d7c, 0x0000007c, + 0x806e846e, 0xbefc007e, + 0xbefe007c, 0xbefc006e, + 0xc0611dbc, 0x0000007c, + 0x806e846e, 0xbefc007e, + 0xbefe007c, 0xbefc006e, + 0xc0611dfc, 0x0000007c, + 0x806e846e, 0xbefc007e, + 0xb8eff801, 0xbefe007c, + 0xbefc006e, 0xc0611bfc, + 0x0000007c, 0x806e846e, + 0xbefc007e, 0xbefe007c, + 0xbefc006e, 0xc0611b3c, + 0x0000007c, 0x806e846e, + 0xbefc007e, 0xbefe007c, + 0xbefc006e, 0xc0611b7c, + 0x0000007c, 0x806e846e, + 0xbefc007e, 0x867aff7f, + 0x04000000, 0xbef30080, + 0x8773737a, 0xb8ee2a05, + 0x806e816e, 0x8e6e8a6e, + 0xb8f51605, 0x80758175, + 0x8e758475, 0x8e7a8275, + 0xbefa00ff, 0x01000000, + 0xbef60178, 0x80786e78, + 0x82798079, 0xbefc0080, + 0xbe802b00, 0xbe822b02, + 0xbe842b04, 0xbe862b06, + 0xbe882b08, 0xbe8a2b0a, + 0xbe8c2b0c, 0xbe8e2b0e, + 0xc06b003c, 0x00000000, + 0xc06b013c, 0x00000010, + 0xc06b023c, 0x00000020, + 0xc06b033c, 0x00000030, + 0x8078c078, 0x82798079, + 0x807c907c, 0xbf0a757c, + 0xbf85ffeb, 0xbef80176, + 0xbeee0080, 0xbefe00c1, + 0xbeff00c1, 0xbefa00ff, + 0x01000000, 0xe0724000, + 0x6e1e0000, 0xe0724100, + 0x6e1e0100, 0xe0724200, + 0x6e1e0200, 0xe0724300, + 0x6e1e0300, 0xbefe00c1, + 0xbeff00c1, 0xb8f54306, + 0x8675c175, 0xbf84002c, + 0xbf8a0000, 0x867aff73, + 0x04000000, 0xbf840028, + 0x8e758675, 0x8e758275, + 0xbefa0075, 0xb8ee2a05, + 0x806e816e, 0x8e6e8a6e, + 0xb8fa1605, 0x807a817a, + 0x8e7a867a, 0x806e7a6e, + 0x806eff6e, 0x00000080, + 0xbefa00ff, 0x01000000, + 0xbefc0080, 0xd28c0002, + 0x000100c1, 0xd28d0003, + 0x000204c1, 0xd1060002, + 0x00011103, 0x7e0602ff, + 0x00000200, 0xbefc00ff, + 0x00010000, 0xbe80007b, + 0x867bff7b, 0xff7fffff, + 0x877bff7b, 0x00058000, + 0xd8ec0000, 0x00000002, + 0xbf8c007f, 0xe0765000, + 0x6e1e0002, 0x32040702, + 0xd0c9006a, 0x0000eb02, + 0xbf87fff7, 0xbefb0000, + 0xbeee00ff, 0x00000400, + 0xbefe00c1, 0xbeff00c1, + 0xb8f52a05, 0x80758175, + 0x8e758275, 0x8e7a8875, + 0xbefa00ff, 0x01000000, + 0xbefc0084, 0xbf0a757c, + 0xbf840015, 0xbf11017c, + 0x8075ff75, 0x00001000, + 0x7e000300, 0x7e020301, + 0x7e040302, 0x7e060303, + 0xe0724000, 0x6e1e0000, + 0xe0724100, 0x6e1e0100, + 0xe0724200, 0x6e1e0200, + 0xe0724300, 0x6e1e0300, + 0x807c847c, 0x806eff6e, + 0x00000400, 0xbf0a757c, + 0xbf85ffef, 0xbf9c0000, + 0xbf8200ca, 0xbef8007e, + 0x8679ff7f, 0x0000ffff, + 0x8779ff79, 0x00040000, + 0xbefa0080, 0xbefb00ff, + 0x00807fac, 0x8676ff7f, + 0x08000000, 0x8f768376, + 0x877b767b, 0x8676ff7f, + 0x70000000, 0x8f768176, + 0x877b767b, 0x8676ff7f, + 0x04000000, 0xbf84001e, + 0xbefe00c1, 0xbeff00c1, + 0xb8f34306, 0x8673c173, + 0xbf840019, 0x8e738673, + 0x8e738273, 0xbefa0073, + 0xb8f22a05, 0x80728172, + 0x8e728a72, 0xb8f61605, + 0x80768176, 0x8e768676, + 0x80727672, 0x8072ff72, + 0x00000080, 0xbefa00ff, + 0x01000000, 0xbefc0080, + 0xe0510000, 0x721e0000, + 0xe0510100, 0x721e0000, + 0x807cff7c, 0x00000200, + 0x8072ff72, 0x00000200, + 0xbf0a737c, 0xbf85fff6, + 0xbef20080, 0xbefe00c1, + 0xbeff00c1, 0xb8f32a05, + 0x80738173, 0x8e738273, + 0x8e7a8873, 0xbefa00ff, + 0x01000000, 0xbef60072, + 0x8072ff72, 0x00000400, + 0xbefc0084, 0xbf11087c, + 0x8073ff73, 0x00008000, + 0xe0524000, 0x721e0000, + 0xe0524100, 0x721e0100, + 0xe0524200, 0x721e0200, + 0xe0524300, 0x721e0300, + 0xbf8c0f70, 0x7e000300, + 0x7e020301, 0x7e040302, + 0x7e060303, 0x807c847c, + 0x8072ff72, 0x00000400, + 0xbf0a737c, 0xbf85ffee, + 0xbf9c0000, 0xe0524000, + 0x761e0000, 0xe0524100, + 0x761e0100, 0xe0524200, + 0x761e0200, 0xe0524300, + 0x761e0300, 0xb8f22a05, + 0x80728172, 0x8e728a72, + 0xb8f61605, 0x80768176, + 0x8e768676, 0x80727672, + 0x80f2c072, 0xb8f31605, + 0x80738173, 0x8e738473, + 0x8e7a8273, 0xbefa00ff, + 0x01000000, 0xbefc0073, + 0xc031003c, 0x00000072, + 0x80f2c072, 0xbf8c007f, + 0x80fc907c, 0xbe802d00, + 0xbe822d02, 0xbe842d04, + 0xbe862d06, 0xbe882d08, + 0xbe8a2d0a, 0xbe8c2d0c, + 0xbe8e2d0e, 0xbf06807c, + 0xbf84fff1, 0xb8f22a05, + 0x80728172, 0x8e728a72, + 0xb8f61605, 0x80768176, + 0x8e768676, 0x80727672, + 0xbefa0084, 0xbefa00ff, + 0x01000000, 0xc0211cfc, + 0x00000072, 0x80728472, + 0xc0211c3c, 0x00000072, + 0x80728472, 0xc0211c7c, + 0x00000072, 0x80728472, + 0xc0211bbc, 0x00000072, + 0x80728472, 0xc0211bfc, + 0x00000072, 0x80728472, + 0xc0211d3c, 0x00000072, + 0x80728472, 0xc0211d7c, + 0x00000072, 0x80728472, + 0xc0211a3c, 0x00000072, + 0x80728472, 0xc0211a7c, + 0x00000072, 0x80728472, + 0xc0211dfc, 0x00000072, + 0x80728472, 0xc0211b3c, + 0x00000072, 0x80728472, + 0xc0211b7c, 0x00000072, + 0x80728472, 0xbf8c007f, + 0xbefc0073, 0xbefe006e, + 0xbeff006f, 0x867375ff, + 0x000003ff, 0xb9734803, + 0x867375ff, 0xfffff800, + 0x8f738b73, 0xb973a2c3, + 0xb977f801, 0x8673ff71, + 0xf0000000, 0x8f739c73, + 0x8e739073, 0xbef60080, + 0x87767376, 0x8673ff71, + 0x08000000, 0x8f739b73, + 0x8e738f73, 0x87767376, + 0x8673ff74, 0x00800000, + 0x8f739773, 0xb976f807, + 0x8671ff71, 0x0000ffff, + 0x86fe7e7e, 0x86ea6a6a, + 0xb974f802, 0xbf8a0000, + 0x95807370, 0xbf810000, +}; + + +static const uint32_t cwsr_trap_gfx9_hex[] = { + 0xbf820001, 0xbf82015a, + 0xb8f8f802, 0x89788678, + 0xb8f1f803, 0x866eff71, + 0x00000400, 0xbf850034, + 0x866eff71, 0x00000800, + 0xbf850003, 0x866eff71, + 0x00000100, 0xbf840008, + 0x866eff78, 0x00002000, + 0xbf840001, 0xbf810000, + 0x8778ff78, 0x00002000, + 0x80ec886c, 0x82ed806d, + 0xb8eef807, 0x866fff6e, + 0x001f8000, 0x8e6f8b6f, + 0x8977ff77, 0xfc000000, + 0x87776f77, 0x896eff6e, + 0x001f8000, 0xb96ef807, + 0xb8f0f812, 0xb8f1f813, + 0x8ef08870, 0xc0071bb8, + 0x00000000, 0xbf8cc07f, + 0xc0071c38, 0x00000008, + 0xbf8cc07f, 0x86ee6e6e, + 0xbf840001, 0xbe801d6e, + 0xb8f1f803, 0x8671ff71, + 0x000001ff, 0xbf850002, + 0x806c846c, 0x826d806d, + 0x866dff6d, 0x0000ffff, + 0x8f6e8b77, 0x866eff6e, + 0x001f8000, 0xb96ef807, + 0x86fe7e7e, 0x86ea6a6a, + 0xb978f802, 0xbe801f6c, + 0x866dff6d, 0x0000ffff, + 0xbef00080, 0xb9700283, + 0xb8f02407, 0x8e709c70, + 0x876d706d, 0xb8f003c7, + 0x8e709b70, 0x876d706d, + 0xb8f0f807, 0x8670ff70, + 0x00007fff, 0xb970f807, + 0xbeee007e, 0xbeef007f, + 0xbefe0180, 0xbf900004, + 0x87708478, 0xb970f802, + 0xbf8e0002, 0xbf88fffe, + 0xb8f02a05, 0x80708170, + 0x8e708a70, 0xb8f11605, + 0x80718171, 0x8e718671, + 0x80707170, 0x80707e70, + 0x8271807f, 0x8671ff71, + 0x0000ffff, 0xc0471cb8, + 0x00000040, 0xbf8cc07f, + 0xc04b1d38, 0x00000048, + 0xbf8cc07f, 0xc0431e78, + 0x00000058, 0xbf8cc07f, + 0xc0471eb8, 0x0000005c, + 0xbf8cc07f, 0xbef4007e, + 0x8675ff7f, 0x0000ffff, + 0x8775ff75, 0x00040000, + 0xbef60080, 0xbef700ff, + 0x00807fac, 0x8670ff7f, + 0x08000000, 0x8f708370, + 0x87777077, 0x8670ff7f, + 0x70000000, 0x8f708170, + 0x87777077, 0xbefb007c, + 0xbefa0080, 0xb8fa2a05, + 0x807a817a, 0x8e7a8a7a, + 0xb8f01605, 0x80708170, + 0x8e708670, 0x807a707a, + 0xbef60084, 0xbef600ff, + 0x01000000, 0xbefe007c, + 0xbefc007a, 0xc0611efa, + 0x0000007c, 0xbf8cc07f, + 0x807a847a, 0xbefc007e, + 0xbefe007c, 0xbefc007a, + 0xc0611b3a, 0x0000007c, + 0xbf8cc07f, 0x807a847a, + 0xbefc007e, 0xbefe007c, + 0xbefc007a, 0xc0611b7a, + 0x0000007c, 0xbf8cc07f, + 0x807a847a, 0xbefc007e, + 0xbefe007c, 0xbefc007a, + 0xc0611bba, 0x0000007c, + 0xbf8cc07f, 0x807a847a, + 0xbefc007e, 0xbefe007c, + 0xbefc007a, 0xc0611bfa, + 0x0000007c, 0xbf8cc07f, + 0x807a847a, 0xbefc007e, + 0xbefe007c, 0xbefc007a, + 0xc0611e3a, 0x0000007c, + 0xbf8cc07f, 0x807a847a, + 0xbefc007e, 0xb8f1f803, + 0xbefe007c, 0xbefc007a, + 0xc0611c7a, 0x0000007c, + 0xbf8cc07f, 0x807a847a, + 0xbefc007e, 0xbefe007c, + 0xbefc007a, 0xc0611a3a, + 0x0000007c, 0xbf8cc07f, + 0x807a847a, 0xbefc007e, + 0xbefe007c, 0xbefc007a, + 0xc0611a7a, 0x0000007c, + 0xbf8cc07f, 0x807a847a, + 0xbefc007e, 0xb8fbf801, + 0xbefe007c, 0xbefc007a, + 0xc0611efa, 0x0000007c, + 0xbf8cc07f, 0x807a847a, + 0xbefc007e, 0x8670ff7f, + 0x04000000, 0xbeef0080, + 0x876f6f70, 0xb8fa2a05, + 0x807a817a, 0x8e7a8a7a, + 0xb8f11605, 0x80718171, + 0x8e718471, 0x8e768271, + 0xbef600ff, 0x01000000, + 0xbef20174, 0x80747a74, + 0x82758075, 0xbefc0080, + 0xbf800000, 0xbe802b00, + 0xbe822b02, 0xbe842b04, + 0xbe862b06, 0xbe882b08, + 0xbe8a2b0a, 0xbe8c2b0c, + 0xbe8e2b0e, 0xc06b003a, + 0x00000000, 0xbf8cc07f, + 0xc06b013a, 0x00000010, + 0xbf8cc07f, 0xc06b023a, + 0x00000020, 0xbf8cc07f, + 0xc06b033a, 0x00000030, + 0xbf8cc07f, 0x8074c074, + 0x82758075, 0x807c907c, + 0xbf0a717c, 0xbf85ffe7, + 0xbef40172, 0xbefa0080, + 0xbefe00c1, 0xbeff00c1, + 0xbee80080, 0xbee90080, + 0xbef600ff, 0x01000000, + 0xe0724000, 0x7a1d0000, + 0xe0724100, 0x7a1d0100, + 0xe0724200, 0x7a1d0200, + 0xe0724300, 0x7a1d0300, + 0xbefe00c1, 0xbeff00c1, + 0xb8f14306, 0x8671c171, + 0xbf84002c, 0xbf8a0000, + 0x8670ff6f, 0x04000000, + 0xbf840028, 0x8e718671, + 0x8e718271, 0xbef60071, + 0xb8fa2a05, 0x807a817a, + 0x8e7a8a7a, 0xb8f01605, + 0x80708170, 0x8e708670, + 0x807a707a, 0x807aff7a, + 0x00000080, 0xbef600ff, + 0x01000000, 0xbefc0080, + 0xd28c0002, 0x000100c1, + 0xd28d0003, 0x000204c1, + 0xd1060002, 0x00011103, + 0x7e0602ff, 0x00000200, + 0xbefc00ff, 0x00010000, + 0xbe800077, 0x8677ff77, + 0xff7fffff, 0x8777ff77, + 0x00058000, 0xd8ec0000, + 0x00000002, 0xbf8cc07f, + 0xe0765000, 0x7a1d0002, + 0x68040702, 0xd0c9006a, + 0x0000e302, 0xbf87fff7, + 0xbef70000, 0xbefa00ff, + 0x00000400, 0xbefe00c1, + 0xbeff00c1, 0xb8f12a05, + 0x80718171, 0x8e718271, + 0x8e768871, 0xbef600ff, + 0x01000000, 0xbefc0084, + 0xbf0a717c, 0xbf840015, + 0xbf11017c, 0x8071ff71, + 0x00001000, 0x7e000300, + 0x7e020301, 0x7e040302, + 0x7e060303, 0xe0724000, + 0x7a1d0000, 0xe0724100, + 0x7a1d0100, 0xe0724200, + 0x7a1d0200, 0xe0724300, + 0x7a1d0300, 0x807c847c, + 0x807aff7a, 0x00000400, + 0xbf0a717c, 0xbf85ffef, + 0xbf9c0000, 0xbf8200d9, + 0xbef4007e, 0x8675ff7f, + 0x0000ffff, 0x8775ff75, + 0x00040000, 0xbef60080, + 0xbef700ff, 0x00807fac, + 0x866eff7f, 0x08000000, + 0x8f6e836e, 0x87776e77, + 0x866eff7f, 0x70000000, + 0x8f6e816e, 0x87776e77, + 0x866eff7f, 0x04000000, + 0xbf84001e, 0xbefe00c1, + 0xbeff00c1, 0xb8ef4306, + 0x866fc16f, 0xbf840019, + 0x8e6f866f, 0x8e6f826f, + 0xbef6006f, 0xb8f82a05, + 0x80788178, 0x8e788a78, + 0xb8ee1605, 0x806e816e, + 0x8e6e866e, 0x80786e78, + 0x8078ff78, 0x00000080, + 0xbef600ff, 0x01000000, + 0xbefc0080, 0xe0510000, + 0x781d0000, 0xe0510100, + 0x781d0000, 0x807cff7c, + 0x00000200, 0x8078ff78, + 0x00000200, 0xbf0a6f7c, + 0xbf85fff6, 0xbef80080, + 0xbefe00c1, 0xbeff00c1, + 0xb8ef2a05, 0x806f816f, + 0x8e6f826f, 0x8e76886f, + 0xbef600ff, 0x01000000, + 0xbeee0078, 0x8078ff78, + 0x00000400, 0xbefc0084, + 0xbf11087c, 0x806fff6f, + 0x00008000, 0xe0524000, + 0x781d0000, 0xe0524100, + 0x781d0100, 0xe0524200, + 0x781d0200, 0xe0524300, + 0x781d0300, 0xbf8c0f70, + 0x7e000300, 0x7e020301, + 0x7e040302, 0x7e060303, + 0x807c847c, 0x8078ff78, + 0x00000400, 0xbf0a6f7c, + 0xbf85ffee, 0xbf9c0000, + 0xe0524000, 0x6e1d0000, + 0xe0524100, 0x6e1d0100, + 0xe0524200, 0x6e1d0200, + 0xe0524300, 0x6e1d0300, + 0xb8f82a05, 0x80788178, + 0x8e788a78, 0xb8ee1605, + 0x806e816e, 0x8e6e866e, + 0x80786e78, 0x80f8c078, + 0xb8ef1605, 0x806f816f, + 0x8e6f846f, 0x8e76826f, + 0xbef600ff, 0x01000000, + 0xbefc006f, 0xc031003a, + 0x00000078, 0x80f8c078, + 0xbf8cc07f, 0x80fc907c, + 0xbf800000, 0xbe802d00, + 0xbe822d02, 0xbe842d04, + 0xbe862d06, 0xbe882d08, + 0xbe8a2d0a, 0xbe8c2d0c, + 0xbe8e2d0e, 0xbf06807c, + 0xbf84fff0, 0xb8f82a05, + 0x80788178, 0x8e788a78, + 0xb8ee1605, 0x806e816e, + 0x8e6e866e, 0x80786e78, + 0xbef60084, 0xbef600ff, + 0x01000000, 0xc0211bfa, + 0x00000078, 0x80788478, + 0xc0211b3a, 0x00000078, + 0x80788478, 0xc0211b7a, + 0x00000078, 0x80788478, + 0xc0211eba, 0x00000078, + 0x80788478, 0xc0211efa, + 0x00000078, 0x80788478, + 0xc0211c3a, 0x00000078, + 0x80788478, 0xc0211c7a, + 0x00000078, 0x80788478, + 0xc0211a3a, 0x00000078, + 0x80788478, 0xc0211a7a, + 0x00000078, 0x80788478, + 0xc0211cfa, 0x00000078, + 0x80788478, 0xbf8cc07f, + 0xbefc006f, 0xbefe007a, + 0xbeff007b, 0x866f71ff, + 0x000003ff, 0xb96f4803, + 0x866f71ff, 0xfffff800, + 0x8f6f8b6f, 0xb96fa2c3, + 0xb973f801, 0xb8ee2a05, + 0x806e816e, 0x8e6e8a6e, + 0xb8ef1605, 0x806f816f, + 0x8e6f866f, 0x806e6f6e, + 0x806e746e, 0x826f8075, + 0x866fff6f, 0x0000ffff, + 0xc0071cb7, 0x00000040, + 0xc00b1d37, 0x00000048, + 0xc0031e77, 0x00000058, + 0xc0071eb7, 0x0000005c, + 0xbf8cc07f, 0x866fff6d, + 0xf0000000, 0x8f6f9c6f, + 0x8e6f906f, 0xbeee0080, + 0x876e6f6e, 0x866fff6d, + 0x08000000, 0x8f6f9b6f, + 0x8e6f8f6f, 0x876e6f6e, + 0x866fff70, 0x00800000, + 0x8f6f976f, 0xb96ef807, + 0x866dff6d, 0x0000ffff, + 0x86fe7e7e, 0x86ea6a6a, + 0xb970f802, 0xbf8a0000, + 0x95806f6c, 0xbf810000, +}; diff --git a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm index 997a383d..a2a04bb 100644 --- a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm +++ b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm @@ -20,9 +20,12 @@ * OTHER DEALINGS IN THE SOFTWARE. */ -#if 0 -HW (VI) source code for CWSR trap handler -#Version 18 + multiple trap handler +/* To compile this assembly code: + * PROJECT=vi ./sp3 cwsr_trap_handler_gfx8.asm -hex tmp.hex + */ + +/* HW (VI) source code for CWSR trap handler */ +/* Version 18 + multiple trap handler */ // this performance-optimal version was originally from Seven Xu at SRDC @@ -98,6 +101,7 @@ var SWIZZLE_EN = 0 //whether we use swi /**************************************************************************/ var SQ_WAVE_STATUS_INST_ATC_SHIFT = 23 var SQ_WAVE_STATUS_INST_ATC_MASK = 0x00800000 +var SQ_WAVE_STATUS_SPI_PRIO_SHIFT = 1 var SQ_WAVE_STATUS_SPI_PRIO_MASK = 0x00000006 var SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT = 12 @@ -149,7 +153,7 @@ var s_save_spi_init_lo = exec_lo var s_save_spi_init_hi = exec_hi //tba_lo and tba_hi need to be saved/restored -var s_save_pc_lo = ttmp0 //{TTMP1, TTMP0} = {3??h0,pc_rewind[3:0], HT[0],trapID[7:0], PC[47:0]} +var s_save_pc_lo = ttmp0 //{TTMP1, TTMP0} = {3'h0,pc_rewind[3:0], HT[0],trapID[7:0], PC[47:0]} var s_save_pc_hi = ttmp1 var s_save_exec_lo = ttmp2 var s_save_exec_hi = ttmp3 @@ -319,6 +323,10 @@ end s_sendmsg sendmsg(MSG_SAVEWAVE) //send SPI a message and wait for SPI's write to EXEC end + // Set SPI_PRIO=2 to avoid starving instruction fetch in the waves we're waiting for. + s_or_b32 s_save_tmp, s_save_status, (2 << SQ_WAVE_STATUS_SPI_PRIO_SHIFT) + s_setreg_b32 hwreg(HW_REG_STATUS), s_save_tmp + L_SLEEP: s_sleep 0x2 // sleep 1 (64clk) is not enough for 8 waves per SIMD, which will cause SQ hang, since the 7,8th wave could not get arbit to exec inst, while other waves are stuck into the sleep-loop and waiting for wrexec!=0 @@ -1007,8 +1015,6 @@ end s_waitcnt lgkmcnt(0) //from now on, it is safe to restore STATUS and IB_STS - s_and_b32 s_restore_pc_hi, s_restore_pc_hi, 0x0000ffff //pc[47:32] //Do it here in order not to affect STATUS - //for normal save & restore, the saved PC points to the next inst to execute, no adjustment needs to be made, otherwise: if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) s_add_u32 s_restore_pc_lo, s_restore_pc_lo, 8 //pc[31:0]+8 //two back-to-back s_trap are used (first for save and second for restore) @@ -1044,6 +1050,7 @@ end s_lshr_b32 s_restore_m0, s_restore_m0, SQ_WAVE_STATUS_INST_ATC_SHIFT s_setreg_b32 hwreg(HW_REG_IB_STS), s_restore_tmp + s_and_b32 s_restore_pc_hi, s_restore_pc_hi, 0x0000ffff //pc[47:32] //Do it here in order not to affect STATUS s_and_b64 exec, exec, exec // Restore STATUS.EXECZ, not writable by s_setreg_b32 s_and_b64 vcc, vcc, vcc // Restore STATUS.VCCZ, not writable by s_setreg_b32 s_setreg_b32 hwreg(HW_REG_STATUS), s_restore_status // SCC is included, which is changed by previous salu @@ -1127,258 +1134,3 @@ end function get_hwreg_size_bytes return 128 //HWREG size 128 bytes end - - -#endif - -static const uint32_t cwsr_trap_gfx8_hex[] = { - 0xbf820001, 0xbf820123, - 0xb8f4f802, 0x89748674, - 0xb8f5f803, 0x8675ff75, - 0x00000400, 0xbf850011, - 0xc00a1e37, 0x00000000, - 0xbf8c007f, 0x87777978, - 0xbf840002, 0xb974f802, - 0xbe801d78, 0xb8f5f803, - 0x8675ff75, 0x000001ff, - 0xbf850002, 0x80708470, - 0x82718071, 0x8671ff71, - 0x0000ffff, 0xb974f802, - 0xbe801f70, 0xb8f5f803, - 0x8675ff75, 0x00000100, - 0xbf840006, 0xbefa0080, - 0xb97a0203, 0x8671ff71, - 0x0000ffff, 0x80f08870, - 0x82f18071, 0xbefa0080, - 0xb97a0283, 0xbef60068, - 0xbef70069, 0xb8fa1c07, - 0x8e7a9c7a, 0x87717a71, - 0xb8fa03c7, 0x8e7a9b7a, - 0x87717a71, 0xb8faf807, - 0x867aff7a, 0x00007fff, - 0xb97af807, 0xbef2007e, - 0xbef3007f, 0xbefe0180, - 0xbf900004, 0xbf8e0002, - 0xbf88fffe, 0xbef8007e, - 0x8679ff7f, 0x0000ffff, - 0x8779ff79, 0x00040000, - 0xbefa0080, 0xbefb00ff, - 0x00807fac, 0x867aff7f, - 0x08000000, 0x8f7a837a, - 0x877b7a7b, 0x867aff7f, - 0x70000000, 0x8f7a817a, - 0x877b7a7b, 0xbeef007c, - 0xbeee0080, 0xb8ee2a05, - 0x806e816e, 0x8e6e8a6e, - 0xb8fa1605, 0x807a817a, - 0x8e7a867a, 0x806e7a6e, - 0xbefa0084, 0xbefa00ff, - 0x01000000, 0xbefe007c, - 0xbefc006e, 0xc0611bfc, - 0x0000007c, 0x806e846e, - 0xbefc007e, 0xbefe007c, - 0xbefc006e, 0xc0611c3c, - 0x0000007c, 0x806e846e, - 0xbefc007e, 0xbefe007c, - 0xbefc006e, 0xc0611c7c, - 0x0000007c, 0x806e846e, - 0xbefc007e, 0xbefe007c, - 0xbefc006e, 0xc0611cbc, - 0x0000007c, 0x806e846e, - 0xbefc007e, 0xbefe007c, - 0xbefc006e, 0xc0611cfc, - 0x0000007c, 0x806e846e, - 0xbefc007e, 0xbefe007c, - 0xbefc006e, 0xc0611d3c, - 0x0000007c, 0x806e846e, - 0xbefc007e, 0xb8f5f803, - 0xbefe007c, 0xbefc006e, - 0xc0611d7c, 0x0000007c, - 0x806e846e, 0xbefc007e, - 0xbefe007c, 0xbefc006e, - 0xc0611dbc, 0x0000007c, - 0x806e846e, 0xbefc007e, - 0xbefe007c, 0xbefc006e, - 0xc0611dfc, 0x0000007c, - 0x806e846e, 0xbefc007e, - 0xb8eff801, 0xbefe007c, - 0xbefc006e, 0xc0611bfc, - 0x0000007c, 0x806e846e, - 0xbefc007e, 0xbefe007c, - 0xbefc006e, 0xc0611b3c, - 0x0000007c, 0x806e846e, - 0xbefc007e, 0xbefe007c, - 0xbefc006e, 0xc0611b7c, - 0x0000007c, 0x806e846e, - 0xbefc007e, 0x867aff7f, - 0x04000000, 0xbef30080, - 0x8773737a, 0xb8ee2a05, - 0x806e816e, 0x8e6e8a6e, - 0xb8f51605, 0x80758175, - 0x8e758475, 0x8e7a8275, - 0xbefa00ff, 0x01000000, - 0xbef60178, 0x80786e78, - 0x82798079, 0xbefc0080, - 0xbe802b00, 0xbe822b02, - 0xbe842b04, 0xbe862b06, - 0xbe882b08, 0xbe8a2b0a, - 0xbe8c2b0c, 0xbe8e2b0e, - 0xc06b003c, 0x00000000, - 0xc06b013c, 0x00000010, - 0xc06b023c, 0x00000020, - 0xc06b033c, 0x00000030, - 0x8078c078, 0x82798079, - 0x807c907c, 0xbf0a757c, - 0xbf85ffeb, 0xbef80176, - 0xbeee0080, 0xbefe00c1, - 0xbeff00c1, 0xbefa00ff, - 0x01000000, 0xe0724000, - 0x6e1e0000, 0xe0724100, - 0x6e1e0100, 0xe0724200, - 0x6e1e0200, 0xe0724300, - 0x6e1e0300, 0xbefe00c1, - 0xbeff00c1, 0xb8f54306, - 0x8675c175, 0xbf84002c, - 0xbf8a0000, 0x867aff73, - 0x04000000, 0xbf840028, - 0x8e758675, 0x8e758275, - 0xbefa0075, 0xb8ee2a05, - 0x806e816e, 0x8e6e8a6e, - 0xb8fa1605, 0x807a817a, - 0x8e7a867a, 0x806e7a6e, - 0x806eff6e, 0x00000080, - 0xbefa00ff, 0x01000000, - 0xbefc0080, 0xd28c0002, - 0x000100c1, 0xd28d0003, - 0x000204c1, 0xd1060002, - 0x00011103, 0x7e0602ff, - 0x00000200, 0xbefc00ff, - 0x00010000, 0xbe80007b, - 0x867bff7b, 0xff7fffff, - 0x877bff7b, 0x00058000, - 0xd8ec0000, 0x00000002, - 0xbf8c007f, 0xe0765000, - 0x6e1e0002, 0x32040702, - 0xd0c9006a, 0x0000eb02, - 0xbf87fff7, 0xbefb0000, - 0xbeee00ff, 0x00000400, - 0xbefe00c1, 0xbeff00c1, - 0xb8f52a05, 0x80758175, - 0x8e758275, 0x8e7a8875, - 0xbefa00ff, 0x01000000, - 0xbefc0084, 0xbf0a757c, - 0xbf840015, 0xbf11017c, - 0x8075ff75, 0x00001000, - 0x7e000300, 0x7e020301, - 0x7e040302, 0x7e060303, - 0xe0724000, 0x6e1e0000, - 0xe0724100, 0x6e1e0100, - 0xe0724200, 0x6e1e0200, - 0xe0724300, 0x6e1e0300, - 0x807c847c, 0x806eff6e, - 0x00000400, 0xbf0a757c, - 0xbf85ffef, 0xbf9c0000, - 0xbf8200ca, 0xbef8007e, - 0x8679ff7f, 0x0000ffff, - 0x8779ff79, 0x00040000, - 0xbefa0080, 0xbefb00ff, - 0x00807fac, 0x8676ff7f, - 0x08000000, 0x8f768376, - 0x877b767b, 0x8676ff7f, - 0x70000000, 0x8f768176, - 0x877b767b, 0x8676ff7f, - 0x04000000, 0xbf84001e, - 0xbefe00c1, 0xbeff00c1, - 0xb8f34306, 0x8673c173, - 0xbf840019, 0x8e738673, - 0x8e738273, 0xbefa0073, - 0xb8f22a05, 0x80728172, - 0x8e728a72, 0xb8f61605, - 0x80768176, 0x8e768676, - 0x80727672, 0x8072ff72, - 0x00000080, 0xbefa00ff, - 0x01000000, 0xbefc0080, - 0xe0510000, 0x721e0000, - 0xe0510100, 0x721e0000, - 0x807cff7c, 0x00000200, - 0x8072ff72, 0x00000200, - 0xbf0a737c, 0xbf85fff6, - 0xbef20080, 0xbefe00c1, - 0xbeff00c1, 0xb8f32a05, - 0x80738173, 0x8e738273, - 0x8e7a8873, 0xbefa00ff, - 0x01000000, 0xbef60072, - 0x8072ff72, 0x00000400, - 0xbefc0084, 0xbf11087c, - 0x8073ff73, 0x00008000, - 0xe0524000, 0x721e0000, - 0xe0524100, 0x721e0100, - 0xe0524200, 0x721e0200, - 0xe0524300, 0x721e0300, - 0xbf8c0f70, 0x7e000300, - 0x7e020301, 0x7e040302, - 0x7e060303, 0x807c847c, - 0x8072ff72, 0x00000400, - 0xbf0a737c, 0xbf85ffee, - 0xbf9c0000, 0xe0524000, - 0x761e0000, 0xe0524100, - 0x761e0100, 0xe0524200, - 0x761e0200, 0xe0524300, - 0x761e0300, 0xb8f22a05, - 0x80728172, 0x8e728a72, - 0xb8f61605, 0x80768176, - 0x8e768676, 0x80727672, - 0x80f2c072, 0xb8f31605, - 0x80738173, 0x8e738473, - 0x8e7a8273, 0xbefa00ff, - 0x01000000, 0xbefc0073, - 0xc031003c, 0x00000072, - 0x80f2c072, 0xbf8c007f, - 0x80fc907c, 0xbe802d00, - 0xbe822d02, 0xbe842d04, - 0xbe862d06, 0xbe882d08, - 0xbe8a2d0a, 0xbe8c2d0c, - 0xbe8e2d0e, 0xbf06807c, - 0xbf84fff1, 0xb8f22a05, - 0x80728172, 0x8e728a72, - 0xb8f61605, 0x80768176, - 0x8e768676, 0x80727672, - 0xbefa0084, 0xbefa00ff, - 0x01000000, 0xc0211cfc, - 0x00000072, 0x80728472, - 0xc0211c3c, 0x00000072, - 0x80728472, 0xc0211c7c, - 0x00000072, 0x80728472, - 0xc0211bbc, 0x00000072, - 0x80728472, 0xc0211bfc, - 0x00000072, 0x80728472, - 0xc0211d3c, 0x00000072, - 0x80728472, 0xc0211d7c, - 0x00000072, 0x80728472, - 0xc0211a3c, 0x00000072, - 0x80728472, 0xc0211a7c, - 0x00000072, 0x80728472, - 0xc0211dfc, 0x00000072, - 0x80728472, 0xc0211b3c, - 0x00000072, 0x80728472, - 0xc0211b7c, 0x00000072, - 0x80728472, 0xbf8c007f, - 0x8671ff71, 0x0000ffff, - 0xbefc0073, 0xbefe006e, - 0xbeff006f, 0x867375ff, - 0x000003ff, 0xb9734803, - 0x867375ff, 0xfffff800, - 0x8f738b73, 0xb973a2c3, - 0xb977f801, 0x8673ff71, - 0xf0000000, 0x8f739c73, - 0x8e739073, 0xbef60080, - 0x87767376, 0x8673ff71, - 0x08000000, 0x8f739b73, - 0x8e738f73, 0x87767376, - 0x8673ff74, 0x00800000, - 0x8f739773, 0xb976f807, - 0x86fe7e7e, 0x86ea6a6a, - 0xb974f802, 0xbf8a0000, - 0x95807370, 0xbf810000, -}; - diff --git a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm new file mode 100644 index 0000000..998be96 --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm @@ -0,0 +1,1214 @@ +/* + * Copyright 2016 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/* To compile this assembly code: + * PROJECT=greenland ./sp3 cwsr_trap_handler_gfx9.asm -hex tmp.hex + */ + +/* HW (GFX9) source code for CWSR trap handler */ +/* Version 18 + multiple trap handler */ + +// this performance-optimal version was originally from Seven Xu at SRDC + +// Revison #18 --... +/* Rev History +** #1. Branch from gc dv. //gfxip/gfx9/main/src/test/suites/block/cs/sr/cs_trap_handler.sp3#1,#50, #51, #52-53(Skip, Already Fixed by PV), #54-56(merged),#57-58(mergerd, skiped-already fixed by PV) +** #4. SR Memory Layout: +** 1. VGPR-SGPR-HWREG-{LDS} +** 2. tba_hi.bits.26 - reconfigured as the first wave in tg bits, for defer Save LDS for a threadgroup.. performance concern.. +** #5. Update: 1. Accurate g8sr_ts_save_d timestamp +** #6. Update: 1. Fix s_barrier usage; 2. VGPR s/r using swizzle buffer?(NoNeed, already matched the swizzle pattern, more investigation) +** #7. Update: 1. don't barrier if noLDS +** #8. Branch: 1. Branch to ver#0, which is very similar to gc dv version +** 2. Fix SQ issue by s_sleep 2 +** #9. Update: 1. Fix scc restore failed issue, restore wave_status at last +** 2. optimize s_buffer save by burst 16sgprs... +** #10. Update 1. Optimize restore sgpr by busrt 16 sgprs. +** #11. Update 1. Add 2 more timestamp for debug version +** #12. Update 1. Add VGPR SR using DWx4, some case improve and some case drop performance +** #13. Integ 1. Always use MUBUF for PV trap shader... +** #14. Update 1. s_buffer_store soft clause... +** #15. Update 1. PERF - sclar write with glc:0/mtype0 to allow L2 combine. perf improvement a lot. +** #16. Update 1. PRRF - UNROLL LDS_DMA got 2500cycle save in IP tree +** #17. Update 1. FUNC - LDS_DMA has issues while ATC, replace with ds_read/buffer_store for save part[TODO restore part] +** 2. PERF - Save LDS before save VGPR to cover LDS save long latency... +** #18. Update 1. FUNC - Implicitly estore STATUS.VCCZ, which is not writable by s_setreg_b32 +** 2. FUNC - Handle non-CWSR traps +*/ + +var G8SR_WDMEM_HWREG_OFFSET = 0 +var G8SR_WDMEM_SGPR_OFFSET = 128 // in bytes + +// Keep definition same as the app shader, These 2 time stamps are part of the app shader... Should before any Save and after restore. + +var G8SR_DEBUG_TIMESTAMP = 0 +var G8SR_DEBUG_TS_SAVE_D_OFFSET = 40*4 // ts_save_d timestamp offset relative to SGPR_SR_memory_offset +var s_g8sr_ts_save_s = s[34:35] // save start +var s_g8sr_ts_sq_save_msg = s[36:37] // The save shader send SAVEWAVE msg to spi +var s_g8sr_ts_spi_wrexec = s[38:39] // the SPI write the sr address to SQ +var s_g8sr_ts_save_d = s[40:41] // save end +var s_g8sr_ts_restore_s = s[42:43] // restore start +var s_g8sr_ts_restore_d = s[44:45] // restore end + +var G8SR_VGPR_SR_IN_DWX4 = 0 +var G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 = 0x00100000 // DWx4 stride is 4*4Bytes +var G8SR_RESTORE_BUF_RSRC_WORD1_STRIDE_DWx4 = G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 + + +/*************************************************************************/ +/* control on how to run the shader */ +/*************************************************************************/ +//any hack that needs to be made to run this code in EMU (either because various EMU code are not ready or no compute save & restore in EMU run) +var EMU_RUN_HACK = 0 +var EMU_RUN_HACK_RESTORE_NORMAL = 0 +var EMU_RUN_HACK_SAVE_NORMAL_EXIT = 0 +var EMU_RUN_HACK_SAVE_SINGLE_WAVE = 0 +var EMU_RUN_HACK_SAVE_FIRST_TIME = 0 //for interrupted restore in which the first save is through EMU_RUN_HACK +var SAVE_LDS = 1 +var WG_BASE_ADDR_LO = 0x9000a000 +var WG_BASE_ADDR_HI = 0x0 +var WAVE_SPACE = 0x5000 //memory size that each wave occupies in workgroup state mem +var CTX_SAVE_CONTROL = 0x0 +var CTX_RESTORE_CONTROL = CTX_SAVE_CONTROL +var SIM_RUN_HACK = 0 //any hack that needs to be made to run this code in SIM (either because various RTL code are not ready or no compute save & restore in RTL run) +var SGPR_SAVE_USE_SQC = 1 //use SQC D$ to do the write +var USE_MTBUF_INSTEAD_OF_MUBUF = 0 //because TC EMU currently asserts on 0 of // overload DFMT field to carry 4 more bits of stride for MUBUF opcodes +var SWIZZLE_EN = 0 //whether we use swizzled buffer addressing +var ACK_SQC_STORE = 1 //workaround for suspected SQC store bug causing incorrect stores under concurrency + +/**************************************************************************/ +/* variables */ +/**************************************************************************/ +var SQ_WAVE_STATUS_INST_ATC_SHIFT = 23 +var SQ_WAVE_STATUS_INST_ATC_MASK = 0x00800000 +var SQ_WAVE_STATUS_SPI_PRIO_SHIFT = 1 +var SQ_WAVE_STATUS_SPI_PRIO_MASK = 0x00000006 +var SQ_WAVE_STATUS_HALT_MASK = 0x2000 + +var SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT = 12 +var SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE = 9 +var SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT = 8 +var SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE = 6 +var SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT = 24 +var SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE = 3 //FIXME sq.blk still has 4 bits at this time while SQ programming guide has 3 bits + +var SQ_WAVE_TRAPSTS_SAVECTX_MASK = 0x400 +var SQ_WAVE_TRAPSTS_EXCE_MASK = 0x1FF // Exception mask +var SQ_WAVE_TRAPSTS_SAVECTX_SHIFT = 10 +var SQ_WAVE_TRAPSTS_MEM_VIOL_MASK = 0x100 +var SQ_WAVE_TRAPSTS_MEM_VIOL_SHIFT = 8 +var SQ_WAVE_TRAPSTS_PRE_SAVECTX_MASK = 0x3FF +var SQ_WAVE_TRAPSTS_PRE_SAVECTX_SHIFT = 0x0 +var SQ_WAVE_TRAPSTS_PRE_SAVECTX_SIZE = 10 +var SQ_WAVE_TRAPSTS_POST_SAVECTX_MASK = 0xFFFFF800 +var SQ_WAVE_TRAPSTS_POST_SAVECTX_SHIFT = 11 +var SQ_WAVE_TRAPSTS_POST_SAVECTX_SIZE = 21 +var SQ_WAVE_TRAPSTS_ILLEGAL_INST_MASK = 0x800 + +var SQ_WAVE_IB_STS_RCNT_SHIFT = 16 //FIXME +var SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT = 15 //FIXME +var SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK = 0x1F8000 +var SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK_NEG = 0x00007FFF //FIXME + +var SQ_BUF_RSRC_WORD1_ATC_SHIFT = 24 +var SQ_BUF_RSRC_WORD3_MTYPE_SHIFT = 27 + +var TTMP11_SAVE_RCNT_FIRST_REPLAY_SHIFT = 26 // bits [31:26] unused by SPI debug data +var TTMP11_SAVE_RCNT_FIRST_REPLAY_MASK = 0xFC000000 + +/* Save */ +var S_SAVE_BUF_RSRC_WORD1_STRIDE = 0x00040000 //stride is 4 bytes +var S_SAVE_BUF_RSRC_WORD3_MISC = 0x00807FAC //SQ_SEL_X/Y/Z/W, BUF_NUM_FORMAT_FLOAT, (0 for MUBUF stride[17:14] when ADD_TID_ENABLE and BUF_DATA_FORMAT_32 for MTBUF), ADD_TID_ENABLE + +var S_SAVE_SPI_INIT_ATC_MASK = 0x08000000 //bit[27]: ATC bit +var S_SAVE_SPI_INIT_ATC_SHIFT = 27 +var S_SAVE_SPI_INIT_MTYPE_MASK = 0x70000000 //bit[30:28]: Mtype +var S_SAVE_SPI_INIT_MTYPE_SHIFT = 28 +var S_SAVE_SPI_INIT_FIRST_WAVE_MASK = 0x04000000 //bit[26]: FirstWaveInTG +var S_SAVE_SPI_INIT_FIRST_WAVE_SHIFT = 26 + +var S_SAVE_PC_HI_RCNT_SHIFT = 28 //FIXME check with Brian to ensure all fields other than PC[47:0] can be used +var S_SAVE_PC_HI_RCNT_MASK = 0xF0000000 //FIXME +var S_SAVE_PC_HI_FIRST_REPLAY_SHIFT = 27 //FIXME +var S_SAVE_PC_HI_FIRST_REPLAY_MASK = 0x08000000 //FIXME + +var s_save_spi_init_lo = exec_lo +var s_save_spi_init_hi = exec_hi + +var s_save_pc_lo = ttmp0 //{TTMP1, TTMP0} = {3'h0,pc_rewind[3:0], HT[0],trapID[7:0], PC[47:0]} +var s_save_pc_hi = ttmp1 +var s_save_exec_lo = ttmp2 +var s_save_exec_hi = ttmp3 +var s_save_tmp = ttmp4 +var s_save_trapsts = ttmp5 //not really used until the end of the SAVE routine +var s_save_xnack_mask_lo = ttmp6 +var s_save_xnack_mask_hi = ttmp7 +var s_save_buf_rsrc0 = ttmp8 +var s_save_buf_rsrc1 = ttmp9 +var s_save_buf_rsrc2 = ttmp10 +var s_save_buf_rsrc3 = ttmp11 +var s_save_status = ttmp12 +var s_save_mem_offset = ttmp14 +var s_save_alloc_size = s_save_trapsts //conflict +var s_save_m0 = ttmp15 +var s_save_ttmps_lo = s_save_tmp //no conflict +var s_save_ttmps_hi = s_save_trapsts //no conflict + +/* Restore */ +var S_RESTORE_BUF_RSRC_WORD1_STRIDE = S_SAVE_BUF_RSRC_WORD1_STRIDE +var S_RESTORE_BUF_RSRC_WORD3_MISC = S_SAVE_BUF_RSRC_WORD3_MISC + +var S_RESTORE_SPI_INIT_ATC_MASK = 0x08000000 //bit[27]: ATC bit +var S_RESTORE_SPI_INIT_ATC_SHIFT = 27 +var S_RESTORE_SPI_INIT_MTYPE_MASK = 0x70000000 //bit[30:28]: Mtype +var S_RESTORE_SPI_INIT_MTYPE_SHIFT = 28 +var S_RESTORE_SPI_INIT_FIRST_WAVE_MASK = 0x04000000 //bit[26]: FirstWaveInTG +var S_RESTORE_SPI_INIT_FIRST_WAVE_SHIFT = 26 + +var S_RESTORE_PC_HI_RCNT_SHIFT = S_SAVE_PC_HI_RCNT_SHIFT +var S_RESTORE_PC_HI_RCNT_MASK = S_SAVE_PC_HI_RCNT_MASK +var S_RESTORE_PC_HI_FIRST_REPLAY_SHIFT = S_SAVE_PC_HI_FIRST_REPLAY_SHIFT +var S_RESTORE_PC_HI_FIRST_REPLAY_MASK = S_SAVE_PC_HI_FIRST_REPLAY_MASK + +var s_restore_spi_init_lo = exec_lo +var s_restore_spi_init_hi = exec_hi + +var s_restore_mem_offset = ttmp12 +var s_restore_alloc_size = ttmp3 +var s_restore_tmp = ttmp2 +var s_restore_mem_offset_save = s_restore_tmp //no conflict + +var s_restore_m0 = s_restore_alloc_size //no conflict + +var s_restore_mode = ttmp7 + +var s_restore_pc_lo = ttmp0 +var s_restore_pc_hi = ttmp1 +var s_restore_exec_lo = ttmp14 +var s_restore_exec_hi = ttmp15 +var s_restore_status = ttmp4 +var s_restore_trapsts = ttmp5 +var s_restore_xnack_mask_lo = xnack_mask_lo +var s_restore_xnack_mask_hi = xnack_mask_hi +var s_restore_buf_rsrc0 = ttmp8 +var s_restore_buf_rsrc1 = ttmp9 +var s_restore_buf_rsrc2 = ttmp10 +var s_restore_buf_rsrc3 = ttmp11 +var s_restore_ttmps_lo = s_restore_tmp //no conflict +var s_restore_ttmps_hi = s_restore_alloc_size //no conflict + +/**************************************************************************/ +/* trap handler entry points */ +/**************************************************************************/ +/* Shader Main*/ + +shader main + asic(GFX9) + type(CS) + + + if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) //hack to use trap_id for determining save/restore + //FIXME VCCZ un-init assertion s_getreg_b32 s_save_status, hwreg(HW_REG_STATUS) //save STATUS since we will change SCC + s_and_b32 s_save_tmp, s_save_pc_hi, 0xffff0000 //change SCC + s_cmp_eq_u32 s_save_tmp, 0x007e0000 //Save: trap_id = 0x7e. Restore: trap_id = 0x7f. + s_cbranch_scc0 L_JUMP_TO_RESTORE //do not need to recover STATUS here since we are going to RESTORE + //FIXME s_setreg_b32 hwreg(HW_REG_STATUS), s_save_status //need to recover STATUS since we are going to SAVE + s_branch L_SKIP_RESTORE //NOT restore, SAVE actually + else + s_branch L_SKIP_RESTORE //NOT restore. might be a regular trap or save + end + +L_JUMP_TO_RESTORE: + s_branch L_RESTORE //restore + +L_SKIP_RESTORE: + + s_getreg_b32 s_save_status, hwreg(HW_REG_STATUS) //save STATUS since we will change SCC + s_andn2_b32 s_save_status, s_save_status, SQ_WAVE_STATUS_SPI_PRIO_MASK //check whether this is for save + s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) + s_and_b32 ttmp2, s_save_trapsts, SQ_WAVE_TRAPSTS_SAVECTX_MASK //check whether this is for save + s_cbranch_scc1 L_SAVE //this is the operation for save + + // ********* Handle non-CWSR traps ******************* +if (!EMU_RUN_HACK) + // Illegal instruction is a non-maskable exception which blocks context save. + // Halt the wavefront and return from the trap. + s_and_b32 ttmp2, s_save_trapsts, SQ_WAVE_TRAPSTS_ILLEGAL_INST_MASK + s_cbranch_scc1 L_HALT_WAVE + + // If STATUS.MEM_VIOL is asserted then we cannot fetch from the TMA. + // Instead, halt the wavefront and return from the trap. + s_and_b32 ttmp2, s_save_trapsts, SQ_WAVE_TRAPSTS_MEM_VIOL_MASK + s_cbranch_scc0 L_FETCH_2ND_TRAP + +L_HALT_WAVE: + // If STATUS.HALT is set then this fault must come from SQC instruction fetch. + // We cannot prevent further faults so just terminate the wavefront. + s_and_b32 ttmp2, s_save_status, SQ_WAVE_STATUS_HALT_MASK + s_cbranch_scc0 L_NOT_ALREADY_HALTED + s_endpgm +L_NOT_ALREADY_HALTED: + s_or_b32 s_save_status, s_save_status, SQ_WAVE_STATUS_HALT_MASK + + // If the PC points to S_ENDPGM then context save will fail if STATUS.HALT is set. + // Rewind the PC to prevent this from occurring. The debugger compensates for this. + s_sub_u32 ttmp0, ttmp0, 0x8 + s_subb_u32 ttmp1, ttmp1, 0x0 + +L_FETCH_2ND_TRAP: + // Preserve and clear scalar XNACK state before issuing scalar reads. + // Save IB_STS.FIRST_REPLAY[15] and IB_STS.RCNT[20:16] into unused space ttmp11[31:26]. + s_getreg_b32 ttmp2, hwreg(HW_REG_IB_STS) + s_and_b32 ttmp3, ttmp2, SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK + s_lshl_b32 ttmp3, ttmp3, (TTMP11_SAVE_RCNT_FIRST_REPLAY_SHIFT - SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT) + s_andn2_b32 ttmp11, ttmp11, TTMP11_SAVE_RCNT_FIRST_REPLAY_MASK + s_or_b32 ttmp11, ttmp11, ttmp3 + + s_andn2_b32 ttmp2, ttmp2, SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK + s_setreg_b32 hwreg(HW_REG_IB_STS), ttmp2 + + // Read second-level TBA/TMA from first-level TMA and jump if available. + // ttmp[2:5] and ttmp12 can be used (others hold SPI-initialized debug data) + // ttmp12 holds SQ_WAVE_STATUS + s_getreg_b32 ttmp4, hwreg(HW_REG_SQ_SHADER_TMA_LO) + s_getreg_b32 ttmp5, hwreg(HW_REG_SQ_SHADER_TMA_HI) + s_lshl_b64 [ttmp4, ttmp5], [ttmp4, ttmp5], 0x8 + s_load_dwordx2 [ttmp2, ttmp3], [ttmp4, ttmp5], 0x0 glc:1 // second-level TBA + s_waitcnt lgkmcnt(0) + s_load_dwordx2 [ttmp4, ttmp5], [ttmp4, ttmp5], 0x8 glc:1 // second-level TMA + s_waitcnt lgkmcnt(0) + s_and_b64 [ttmp2, ttmp3], [ttmp2, ttmp3], [ttmp2, ttmp3] + s_cbranch_scc0 L_NO_NEXT_TRAP // second-level trap handler not been set + s_setpc_b64 [ttmp2, ttmp3] // jump to second-level trap handler + +L_NO_NEXT_TRAP: + s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) + s_and_b32 s_save_trapsts, s_save_trapsts, SQ_WAVE_TRAPSTS_EXCE_MASK // Check whether it is an exception + s_cbranch_scc1 L_EXCP_CASE // Exception, jump back to the shader program directly. + s_add_u32 ttmp0, ttmp0, 4 // S_TRAP case, add 4 to ttmp0 + s_addc_u32 ttmp1, ttmp1, 0 +L_EXCP_CASE: + s_and_b32 ttmp1, ttmp1, 0xFFFF + + // Restore SQ_WAVE_IB_STS. + s_lshr_b32 ttmp2, ttmp11, (TTMP11_SAVE_RCNT_FIRST_REPLAY_SHIFT - SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT) + s_and_b32 ttmp2, ttmp2, SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK + s_setreg_b32 hwreg(HW_REG_IB_STS), ttmp2 + + // Restore SQ_WAVE_STATUS. + s_and_b64 exec, exec, exec // Restore STATUS.EXECZ, not writable by s_setreg_b32 + s_and_b64 vcc, vcc, vcc // Restore STATUS.VCCZ, not writable by s_setreg_b32 + s_setreg_b32 hwreg(HW_REG_STATUS), s_save_status + + s_rfe_b64 [ttmp0, ttmp1] +end + // ********* End handling of non-CWSR traps ******************* + +/**************************************************************************/ +/* save routine */ +/**************************************************************************/ + +L_SAVE: + +if G8SR_DEBUG_TIMESTAMP + s_memrealtime s_g8sr_ts_save_s + s_waitcnt lgkmcnt(0) //FIXME, will cause xnack?? +end + + s_and_b32 s_save_pc_hi, s_save_pc_hi, 0x0000ffff //pc[47:32] + + s_mov_b32 s_save_tmp, 0 //clear saveCtx bit + s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_SAVECTX_SHIFT, 1), s_save_tmp //clear saveCtx bit + + s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS, SQ_WAVE_IB_STS_RCNT_SHIFT, SQ_WAVE_IB_STS_RCNT_SIZE) //save RCNT + s_lshl_b32 s_save_tmp, s_save_tmp, S_SAVE_PC_HI_RCNT_SHIFT + s_or_b32 s_save_pc_hi, s_save_pc_hi, s_save_tmp + s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS, SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT, SQ_WAVE_IB_STS_FIRST_REPLAY_SIZE) //save FIRST_REPLAY + s_lshl_b32 s_save_tmp, s_save_tmp, S_SAVE_PC_HI_FIRST_REPLAY_SHIFT + s_or_b32 s_save_pc_hi, s_save_pc_hi, s_save_tmp + s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS) //clear RCNT and FIRST_REPLAY in IB_STS + s_and_b32 s_save_tmp, s_save_tmp, SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK_NEG + + s_setreg_b32 hwreg(HW_REG_IB_STS), s_save_tmp + + /* inform SPI the readiness and wait for SPI's go signal */ + s_mov_b32 s_save_exec_lo, exec_lo //save EXEC and use EXEC for the go signal from SPI + s_mov_b32 s_save_exec_hi, exec_hi + s_mov_b64 exec, 0x0 //clear EXEC to get ready to receive + +if G8SR_DEBUG_TIMESTAMP + s_memrealtime s_g8sr_ts_sq_save_msg + s_waitcnt lgkmcnt(0) +end + + if (EMU_RUN_HACK) + + else + s_sendmsg sendmsg(MSG_SAVEWAVE) //send SPI a message and wait for SPI's write to EXEC + end + + // Set SPI_PRIO=2 to avoid starving instruction fetch in the waves we're waiting for. + s_or_b32 s_save_tmp, s_save_status, (2 << SQ_WAVE_STATUS_SPI_PRIO_SHIFT) + s_setreg_b32 hwreg(HW_REG_STATUS), s_save_tmp + + L_SLEEP: + s_sleep 0x2 // sleep 1 (64clk) is not enough for 8 waves per SIMD, which will cause SQ hang, since the 7,8th wave could not get arbit to exec inst, while other waves are stuck into the sleep-loop and waiting for wrexec!=0 + + if (EMU_RUN_HACK) + + else + s_cbranch_execz L_SLEEP + end + +if G8SR_DEBUG_TIMESTAMP + s_memrealtime s_g8sr_ts_spi_wrexec + s_waitcnt lgkmcnt(0) +end + + if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_SAVE_SINGLE_WAVE)) + //calculate wd_addr using absolute thread id + v_readlane_b32 s_save_tmp, v9, 0 + s_lshr_b32 s_save_tmp, s_save_tmp, 6 + s_mul_i32 s_save_tmp, s_save_tmp, WAVE_SPACE + s_add_i32 s_save_spi_init_lo, s_save_tmp, WG_BASE_ADDR_LO + s_mov_b32 s_save_spi_init_hi, WG_BASE_ADDR_HI + s_and_b32 s_save_spi_init_hi, s_save_spi_init_hi, CTX_SAVE_CONTROL + else + end + if ((EMU_RUN_HACK) && (EMU_RUN_HACK_SAVE_SINGLE_WAVE)) + s_add_i32 s_save_spi_init_lo, s_save_tmp, WG_BASE_ADDR_LO + s_mov_b32 s_save_spi_init_hi, WG_BASE_ADDR_HI + s_and_b32 s_save_spi_init_hi, s_save_spi_init_hi, CTX_SAVE_CONTROL + else + end + + // Save trap temporaries 6-11, 13-15 initialized by SPI debug dispatch logic + // ttmp SR memory offset : size(VGPR)+size(SGPR)+0x40 + get_vgpr_size_bytes(s_save_ttmps_lo) + get_sgpr_size_bytes(s_save_ttmps_hi) + s_add_u32 s_save_ttmps_lo, s_save_ttmps_lo, s_save_ttmps_hi + s_add_u32 s_save_ttmps_lo, s_save_ttmps_lo, s_save_spi_init_lo + s_addc_u32 s_save_ttmps_hi, s_save_spi_init_hi, 0x0 + s_and_b32 s_save_ttmps_hi, s_save_ttmps_hi, 0xFFFF + s_store_dwordx2 [ttmp6, ttmp7], [s_save_ttmps_lo, s_save_ttmps_hi], 0x40 glc:1 + ack_sqc_store_workaround() + s_store_dwordx4 [ttmp8, ttmp9, ttmp10, ttmp11], [s_save_ttmps_lo, s_save_ttmps_hi], 0x48 glc:1 + ack_sqc_store_workaround() + s_store_dword ttmp13, [s_save_ttmps_lo, s_save_ttmps_hi], 0x58 glc:1 + ack_sqc_store_workaround() + s_store_dwordx2 [ttmp14, ttmp15], [s_save_ttmps_lo, s_save_ttmps_hi], 0x5C glc:1 + ack_sqc_store_workaround() + + /* setup Resource Contants */ + s_mov_b32 s_save_buf_rsrc0, s_save_spi_init_lo //base_addr_lo + s_and_b32 s_save_buf_rsrc1, s_save_spi_init_hi, 0x0000FFFF //base_addr_hi + s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, S_SAVE_BUF_RSRC_WORD1_STRIDE + s_mov_b32 s_save_buf_rsrc2, 0 //NUM_RECORDS initial value = 0 (in bytes) although not neccessarily inited + s_mov_b32 s_save_buf_rsrc3, S_SAVE_BUF_RSRC_WORD3_MISC + s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_ATC_MASK + s_lshr_b32 s_save_tmp, s_save_tmp, (S_SAVE_SPI_INIT_ATC_SHIFT-SQ_BUF_RSRC_WORD1_ATC_SHIFT) //get ATC bit into position + s_or_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, s_save_tmp //or ATC + s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_MTYPE_MASK + s_lshr_b32 s_save_tmp, s_save_tmp, (S_SAVE_SPI_INIT_MTYPE_SHIFT-SQ_BUF_RSRC_WORD3_MTYPE_SHIFT) //get MTYPE bits into position + s_or_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, s_save_tmp //or MTYPE + + //FIXME right now s_save_m0/s_save_mem_offset use tma_lo/tma_hi (might need to save them before using them?) + s_mov_b32 s_save_m0, m0 //save M0 + + /* global mem offset */ + s_mov_b32 s_save_mem_offset, 0x0 //mem offset initial value = 0 + + + + + /* save HW registers */ + ////////////////////////////// + + L_SAVE_HWREG: + // HWREG SR memory offset : size(VGPR)+size(SGPR) + get_vgpr_size_bytes(s_save_mem_offset) + get_sgpr_size_bytes(s_save_tmp) + s_add_u32 s_save_mem_offset, s_save_mem_offset, s_save_tmp + + + s_mov_b32 s_save_buf_rsrc2, 0x4 //NUM_RECORDS in bytes + if (SWIZZLE_EN) + s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? + else + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + end + + + write_hwreg_to_mem(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset) //M0 + + if ((EMU_RUN_HACK) && (EMU_RUN_HACK_SAVE_FIRST_TIME)) + s_add_u32 s_save_pc_lo, s_save_pc_lo, 4 //pc[31:0]+4 + s_addc_u32 s_save_pc_hi, s_save_pc_hi, 0x0 //carry bit over + end + + write_hwreg_to_mem(s_save_pc_lo, s_save_buf_rsrc0, s_save_mem_offset) //PC + write_hwreg_to_mem(s_save_pc_hi, s_save_buf_rsrc0, s_save_mem_offset) + write_hwreg_to_mem(s_save_exec_lo, s_save_buf_rsrc0, s_save_mem_offset) //EXEC + write_hwreg_to_mem(s_save_exec_hi, s_save_buf_rsrc0, s_save_mem_offset) + write_hwreg_to_mem(s_save_status, s_save_buf_rsrc0, s_save_mem_offset) //STATUS + + //s_save_trapsts conflicts with s_save_alloc_size + s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) + write_hwreg_to_mem(s_save_trapsts, s_save_buf_rsrc0, s_save_mem_offset) //TRAPSTS + + write_hwreg_to_mem(xnack_mask_lo, s_save_buf_rsrc0, s_save_mem_offset) //XNACK_MASK_LO + write_hwreg_to_mem(xnack_mask_hi, s_save_buf_rsrc0, s_save_mem_offset) //XNACK_MASK_HI + + //use s_save_tmp would introduce conflict here between s_save_tmp and s_save_buf_rsrc2 + s_getreg_b32 s_save_m0, hwreg(HW_REG_MODE) //MODE + write_hwreg_to_mem(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset) + + + + /* the first wave in the threadgroup */ + s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_FIRST_WAVE_MASK // extract fisrt wave bit + s_mov_b32 s_save_exec_hi, 0x0 + s_or_b32 s_save_exec_hi, s_save_tmp, s_save_exec_hi // save first wave bit to s_save_exec_hi.bits[26] + + + /* save SGPRs */ + // Save SGPR before LDS save, then the s0 to s4 can be used during LDS save... + ////////////////////////////// + + // SGPR SR memory offset : size(VGPR) + get_vgpr_size_bytes(s_save_mem_offset) + // TODO, change RSRC word to rearrange memory layout for SGPRS + + s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE) //spgr_size + s_add_u32 s_save_alloc_size, s_save_alloc_size, 1 + s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 4 //Number of SGPRs = (sgpr_size + 1) * 16 (non-zero value) + + if (SGPR_SAVE_USE_SQC) + s_lshl_b32 s_save_buf_rsrc2, s_save_alloc_size, 2 //NUM_RECORDS in bytes + else + s_lshl_b32 s_save_buf_rsrc2, s_save_alloc_size, 8 //NUM_RECORDS in bytes (64 threads) + end + + if (SWIZZLE_EN) + s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? + else + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + end + + + // backup s_save_buf_rsrc0,1 to s_save_pc_lo/hi, since write_16sgpr_to_mem function will change the rsrc0 + //s_mov_b64 s_save_pc_lo, s_save_buf_rsrc0 + s_mov_b64 s_save_xnack_mask_lo, s_save_buf_rsrc0 + s_add_u32 s_save_buf_rsrc0, s_save_buf_rsrc0, s_save_mem_offset + s_addc_u32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0 + + s_mov_b32 m0, 0x0 //SGPR initial index value =0 + s_nop 0x0 //Manually inserted wait states + L_SAVE_SGPR_LOOP: + // SGPR is allocated in 16 SGPR granularity + s_movrels_b64 s0, s0 //s0 = s[0+m0], s1 = s[1+m0] + s_movrels_b64 s2, s2 //s2 = s[2+m0], s3 = s[3+m0] + s_movrels_b64 s4, s4 //s4 = s[4+m0], s5 = s[5+m0] + s_movrels_b64 s6, s6 //s6 = s[6+m0], s7 = s[7+m0] + s_movrels_b64 s8, s8 //s8 = s[8+m0], s9 = s[9+m0] + s_movrels_b64 s10, s10 //s10 = s[10+m0], s11 = s[11+m0] + s_movrels_b64 s12, s12 //s12 = s[12+m0], s13 = s[13+m0] + s_movrels_b64 s14, s14 //s14 = s[14+m0], s15 = s[15+m0] + + write_16sgpr_to_mem(s0, s_save_buf_rsrc0, s_save_mem_offset) //PV: the best performance should be using s_buffer_store_dwordx4 + s_add_u32 m0, m0, 16 //next sgpr index + s_cmp_lt_u32 m0, s_save_alloc_size //scc = (m0 < s_save_alloc_size) ? 1 : 0 + s_cbranch_scc1 L_SAVE_SGPR_LOOP //SGPR save is complete? + // restore s_save_buf_rsrc0,1 + //s_mov_b64 s_save_buf_rsrc0, s_save_pc_lo + s_mov_b64 s_save_buf_rsrc0, s_save_xnack_mask_lo + + + + + /* save first 4 VGPR, then LDS save could use */ + // each wave will alloc 4 vgprs at least... + ///////////////////////////////////////////////////////////////////////////////////// + + s_mov_b32 s_save_mem_offset, 0 + s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on + s_mov_b32 exec_hi, 0xFFFFFFFF + s_mov_b32 xnack_mask_lo, 0x0 + s_mov_b32 xnack_mask_hi, 0x0 + + if (SWIZZLE_EN) + s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? + else + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + end + + + // VGPR Allocated in 4-GPR granularity + +if G8SR_VGPR_SR_IN_DWX4 + // the const stride for DWx4 is 4*4 bytes + s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 + s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 // const stride to 4*4 bytes + + buffer_store_dwordx4 v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 + + s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 + s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, S_SAVE_BUF_RSRC_WORD1_STRIDE // reset const stride to 4 bytes +else + buffer_store_dword v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 + buffer_store_dword v1, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256 + buffer_store_dword v2, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*2 + buffer_store_dword v3, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*3 +end + + + + /* save LDS */ + ////////////////////////////// + + L_SAVE_LDS: + + // Change EXEC to all threads... + s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on + s_mov_b32 exec_hi, 0xFFFFFFFF + + s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_LDS_ALLOC,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE) //lds_size + s_and_b32 s_save_alloc_size, s_save_alloc_size, 0xFFFFFFFF //lds_size is zero? + s_cbranch_scc0 L_SAVE_LDS_DONE //no lds used? jump to L_SAVE_DONE + + s_barrier //LDS is used? wait for other waves in the same TG + s_and_b32 s_save_tmp, s_save_exec_hi, S_SAVE_SPI_INIT_FIRST_WAVE_MASK //exec is still used here + s_cbranch_scc0 L_SAVE_LDS_DONE + + // first wave do LDS save; + + s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 6 //LDS size in dwords = lds_size * 64dw + s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 2 //LDS size in bytes + s_mov_b32 s_save_buf_rsrc2, s_save_alloc_size //NUM_RECORDS in bytes + + // LDS at offset: size(VGPR)+SIZE(SGPR)+SIZE(HWREG) + // + get_vgpr_size_bytes(s_save_mem_offset) + get_sgpr_size_bytes(s_save_tmp) + s_add_u32 s_save_mem_offset, s_save_mem_offset, s_save_tmp + s_add_u32 s_save_mem_offset, s_save_mem_offset, get_hwreg_size_bytes() + + + if (SWIZZLE_EN) + s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? + else + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + end + + s_mov_b32 m0, 0x0 //lds_offset initial value = 0 + + +var LDS_DMA_ENABLE = 0 +var UNROLL = 0 +if UNROLL==0 && LDS_DMA_ENABLE==1 + s_mov_b32 s3, 256*2 + s_nop 0 + s_nop 0 + s_nop 0 + L_SAVE_LDS_LOOP: + //TODO: looks the 2 buffer_store/load clause for s/r will hurt performance.??? + if (SAVE_LDS) //SPI always alloc LDS space in 128DW granularity + buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 // first 64DW + buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 offset:256 // second 64DW + end + + s_add_u32 m0, m0, s3 //every buffer_store_lds does 256 bytes + s_add_u32 s_save_mem_offset, s_save_mem_offset, s3 //mem offset increased by 256 bytes + s_cmp_lt_u32 m0, s_save_alloc_size //scc=(m0 < s_save_alloc_size) ? 1 : 0 + s_cbranch_scc1 L_SAVE_LDS_LOOP //LDS save is complete? + +elsif LDS_DMA_ENABLE==1 && UNROLL==1 // UNROOL , has ichace miss + // store from higest LDS address to lowest + s_mov_b32 s3, 256*2 + s_sub_u32 m0, s_save_alloc_size, s3 + s_add_u32 s_save_mem_offset, s_save_mem_offset, m0 + s_lshr_b32 s_save_alloc_size, s_save_alloc_size, 9 // how many 128 trunks... + s_sub_u32 s_save_alloc_size, 128, s_save_alloc_size // store from higheset addr to lowest + s_mul_i32 s_save_alloc_size, s_save_alloc_size, 6*4 // PC offset increment, each LDS save block cost 6*4 Bytes instruction + s_add_u32 s_save_alloc_size, s_save_alloc_size, 3*4 //2is the below 2 inst...//s_addc and s_setpc + s_nop 0 + s_nop 0 + s_nop 0 //pad 3 dw to let LDS_DMA align with 64Bytes + s_getpc_b64 s[0:1] // reuse s[0:1], since s[0:1] already saved + s_add_u32 s0, s0,s_save_alloc_size + s_addc_u32 s1, s1, 0 + s_setpc_b64 s[0:1] + + + for var i =0; i< 128; i++ + // be careful to make here a 64Byte aligned address, which could improve performance... + buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 offset:0 // first 64DW + buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 offset:256 // second 64DW + + if i!=127 + s_sub_u32 m0, m0, s3 // use a sgpr to shrink 2DW-inst to 1DW inst to improve performance , i.e. pack more LDS_DMA inst to one Cacheline + s_sub_u32 s_save_mem_offset, s_save_mem_offset, s3 + end + end + +else // BUFFER_STORE + v_mbcnt_lo_u32_b32 v2, 0xffffffff, 0x0 + v_mbcnt_hi_u32_b32 v3, 0xffffffff, v2 // tid + v_mul_i32_i24 v2, v3, 8 // tid*8 + v_mov_b32 v3, 256*2 + s_mov_b32 m0, 0x10000 + s_mov_b32 s0, s_save_buf_rsrc3 + s_and_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, 0xFF7FFFFF // disable add_tid + s_or_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, 0x58000 //DFMT + +L_SAVE_LDS_LOOP_VECTOR: + ds_read_b64 v[0:1], v2 //x =LDS[a], byte address + s_waitcnt lgkmcnt(0) + buffer_store_dwordx2 v[0:1], v2, s_save_buf_rsrc0, s_save_mem_offset offen:1 glc:1 slc:1 +// s_waitcnt vmcnt(0) +// v_add_u32 v2, vcc[0:1], v2, v3 + v_add_u32 v2, v2, v3 + v_cmp_lt_u32 vcc[0:1], v2, s_save_alloc_size + s_cbranch_vccnz L_SAVE_LDS_LOOP_VECTOR + + // restore rsrc3 + s_mov_b32 s_save_buf_rsrc3, s0 + +end + +L_SAVE_LDS_DONE: + + + /* save VGPRs - set the Rest VGPRs */ + ////////////////////////////////////////////////////////////////////////////////////// + L_SAVE_VGPR: + // VGPR SR memory offset: 0 + // TODO rearrange the RSRC words to use swizzle for VGPR save... + + s_mov_b32 s_save_mem_offset, (0+256*4) // for the rest VGPRs + s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on + s_mov_b32 exec_hi, 0xFFFFFFFF + + s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE) //vpgr_size + s_add_u32 s_save_alloc_size, s_save_alloc_size, 1 + s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 2 //Number of VGPRs = (vgpr_size + 1) * 4 (non-zero value) //FIXME for GFX, zero is possible + s_lshl_b32 s_save_buf_rsrc2, s_save_alloc_size, 8 //NUM_RECORDS in bytes (64 threads*4) + if (SWIZZLE_EN) + s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? + else + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + end + + + // VGPR Allocated in 4-GPR granularity + +if G8SR_VGPR_SR_IN_DWX4 + // the const stride for DWx4 is 4*4 bytes + s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 + s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 // const stride to 4*4 bytes + + s_mov_b32 m0, 4 // skip first 4 VGPRs + s_cmp_lt_u32 m0, s_save_alloc_size + s_cbranch_scc0 L_SAVE_VGPR_LOOP_END // no more vgprs + + s_set_gpr_idx_on m0, 0x1 // This will change M0 + s_add_u32 s_save_alloc_size, s_save_alloc_size, 0x1000 // because above inst change m0 +L_SAVE_VGPR_LOOP: + v_mov_b32 v0, v0 // v0 = v[0+m0] + v_mov_b32 v1, v1 + v_mov_b32 v2, v2 + v_mov_b32 v3, v3 + + + buffer_store_dwordx4 v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 + s_add_u32 m0, m0, 4 + s_add_u32 s_save_mem_offset, s_save_mem_offset, 256*4 + s_cmp_lt_u32 m0, s_save_alloc_size + s_cbranch_scc1 L_SAVE_VGPR_LOOP //VGPR save is complete? + s_set_gpr_idx_off +L_SAVE_VGPR_LOOP_END: + + s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 + s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, S_SAVE_BUF_RSRC_WORD1_STRIDE // reset const stride to 4 bytes +else + // VGPR store using dw burst + s_mov_b32 m0, 0x4 //VGPR initial index value =0 + s_cmp_lt_u32 m0, s_save_alloc_size + s_cbranch_scc0 L_SAVE_VGPR_END + + + s_set_gpr_idx_on m0, 0x1 //M0[7:0] = M0[7:0] and M0[15:12] = 0x1 + s_add_u32 s_save_alloc_size, s_save_alloc_size, 0x1000 //add 0x1000 since we compare m0 against it later + + L_SAVE_VGPR_LOOP: + v_mov_b32 v0, v0 //v0 = v[0+m0] + v_mov_b32 v1, v1 //v0 = v[0+m0] + v_mov_b32 v2, v2 //v0 = v[0+m0] + v_mov_b32 v3, v3 //v0 = v[0+m0] + + if(USE_MTBUF_INSTEAD_OF_MUBUF) + tbuffer_store_format_x v0, v0, s_save_buf_rsrc0, s_save_mem_offset format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 + else + buffer_store_dword v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 + buffer_store_dword v1, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256 + buffer_store_dword v2, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*2 + buffer_store_dword v3, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*3 + end + + s_add_u32 m0, m0, 4 //next vgpr index + s_add_u32 s_save_mem_offset, s_save_mem_offset, 256*4 //every buffer_store_dword does 256 bytes + s_cmp_lt_u32 m0, s_save_alloc_size //scc = (m0 < s_save_alloc_size) ? 1 : 0 + s_cbranch_scc1 L_SAVE_VGPR_LOOP //VGPR save is complete? + s_set_gpr_idx_off +end + +L_SAVE_VGPR_END: + + + + + + + /* S_PGM_END_SAVED */ //FIXME graphics ONLY + if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_SAVE_NORMAL_EXIT)) + s_and_b32 s_save_pc_hi, s_save_pc_hi, 0x0000ffff //pc[47:32] + s_add_u32 s_save_pc_lo, s_save_pc_lo, 4 //pc[31:0]+4 + s_addc_u32 s_save_pc_hi, s_save_pc_hi, 0x0 //carry bit over + s_rfe_b64 s_save_pc_lo //Return to the main shader program + else + end + +// Save Done timestamp +if G8SR_DEBUG_TIMESTAMP + s_memrealtime s_g8sr_ts_save_d + // SGPR SR memory offset : size(VGPR) + get_vgpr_size_bytes(s_save_mem_offset) + s_add_u32 s_save_mem_offset, s_save_mem_offset, G8SR_DEBUG_TS_SAVE_D_OFFSET + s_waitcnt lgkmcnt(0) //FIXME, will cause xnack?? + // Need reset rsrc2?? + s_mov_b32 m0, s_save_mem_offset + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + s_buffer_store_dwordx2 s_g8sr_ts_save_d, s_save_buf_rsrc0, m0 glc:1 +end + + + s_branch L_END_PGM + + + +/**************************************************************************/ +/* restore routine */ +/**************************************************************************/ + +L_RESTORE: + /* Setup Resource Contants */ + if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) + //calculate wd_addr using absolute thread id + v_readlane_b32 s_restore_tmp, v9, 0 + s_lshr_b32 s_restore_tmp, s_restore_tmp, 6 + s_mul_i32 s_restore_tmp, s_restore_tmp, WAVE_SPACE + s_add_i32 s_restore_spi_init_lo, s_restore_tmp, WG_BASE_ADDR_LO + s_mov_b32 s_restore_spi_init_hi, WG_BASE_ADDR_HI + s_and_b32 s_restore_spi_init_hi, s_restore_spi_init_hi, CTX_RESTORE_CONTROL + else + end + +if G8SR_DEBUG_TIMESTAMP + s_memrealtime s_g8sr_ts_restore_s + s_waitcnt lgkmcnt(0) //FIXME, will cause xnack?? + // tma_lo/hi are sgpr 110, 111, which will not used for 112 SGPR allocated case... + s_mov_b32 s_restore_pc_lo, s_g8sr_ts_restore_s[0] + s_mov_b32 s_restore_pc_hi, s_g8sr_ts_restore_s[1] //backup ts to ttmp0/1, sicne exec will be finally restored.. +end + + + + s_mov_b32 s_restore_buf_rsrc0, s_restore_spi_init_lo //base_addr_lo + s_and_b32 s_restore_buf_rsrc1, s_restore_spi_init_hi, 0x0000FFFF //base_addr_hi + s_or_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, S_RESTORE_BUF_RSRC_WORD1_STRIDE + s_mov_b32 s_restore_buf_rsrc2, 0 //NUM_RECORDS initial value = 0 (in bytes) + s_mov_b32 s_restore_buf_rsrc3, S_RESTORE_BUF_RSRC_WORD3_MISC + s_and_b32 s_restore_tmp, s_restore_spi_init_hi, S_RESTORE_SPI_INIT_ATC_MASK + s_lshr_b32 s_restore_tmp, s_restore_tmp, (S_RESTORE_SPI_INIT_ATC_SHIFT-SQ_BUF_RSRC_WORD1_ATC_SHIFT) //get ATC bit into position + s_or_b32 s_restore_buf_rsrc3, s_restore_buf_rsrc3, s_restore_tmp //or ATC + s_and_b32 s_restore_tmp, s_restore_spi_init_hi, S_RESTORE_SPI_INIT_MTYPE_MASK + s_lshr_b32 s_restore_tmp, s_restore_tmp, (S_RESTORE_SPI_INIT_MTYPE_SHIFT-SQ_BUF_RSRC_WORD3_MTYPE_SHIFT) //get MTYPE bits into position + s_or_b32 s_restore_buf_rsrc3, s_restore_buf_rsrc3, s_restore_tmp //or MTYPE + + /* global mem offset */ +// s_mov_b32 s_restore_mem_offset, 0x0 //mem offset initial value = 0 + + /* the first wave in the threadgroup */ + s_and_b32 s_restore_tmp, s_restore_spi_init_hi, S_RESTORE_SPI_INIT_FIRST_WAVE_MASK + s_cbranch_scc0 L_RESTORE_VGPR + + /* restore LDS */ + ////////////////////////////// + L_RESTORE_LDS: + + s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on //be consistent with SAVE although can be moved ahead + s_mov_b32 exec_hi, 0xFFFFFFFF + + s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_LDS_ALLOC,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE) //lds_size + s_and_b32 s_restore_alloc_size, s_restore_alloc_size, 0xFFFFFFFF //lds_size is zero? + s_cbranch_scc0 L_RESTORE_VGPR //no lds used? jump to L_RESTORE_VGPR + s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 6 //LDS size in dwords = lds_size * 64dw + s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 2 //LDS size in bytes + s_mov_b32 s_restore_buf_rsrc2, s_restore_alloc_size //NUM_RECORDS in bytes + + // LDS at offset: size(VGPR)+SIZE(SGPR)+SIZE(HWREG) + // + get_vgpr_size_bytes(s_restore_mem_offset) + get_sgpr_size_bytes(s_restore_tmp) + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, s_restore_tmp + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, get_hwreg_size_bytes() //FIXME, Check if offset overflow??? + + + if (SWIZZLE_EN) + s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? + else + s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + end + s_mov_b32 m0, 0x0 //lds_offset initial value = 0 + + L_RESTORE_LDS_LOOP: + if (SAVE_LDS) + buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset lds:1 // first 64DW + buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset lds:1 offset:256 // second 64DW + end + s_add_u32 m0, m0, 256*2 // 128 DW + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256*2 //mem offset increased by 128DW + s_cmp_lt_u32 m0, s_restore_alloc_size //scc=(m0 < s_restore_alloc_size) ? 1 : 0 + s_cbranch_scc1 L_RESTORE_LDS_LOOP //LDS restore is complete? + + + /* restore VGPRs */ + ////////////////////////////// + L_RESTORE_VGPR: + // VGPR SR memory offset : 0 + s_mov_b32 s_restore_mem_offset, 0x0 + s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on //be consistent with SAVE although can be moved ahead + s_mov_b32 exec_hi, 0xFFFFFFFF + + s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE) //vpgr_size + s_add_u32 s_restore_alloc_size, s_restore_alloc_size, 1 + s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 2 //Number of VGPRs = (vgpr_size + 1) * 4 (non-zero value) + s_lshl_b32 s_restore_buf_rsrc2, s_restore_alloc_size, 8 //NUM_RECORDS in bytes (64 threads*4) + if (SWIZZLE_EN) + s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? + else + s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + end + +if G8SR_VGPR_SR_IN_DWX4 + get_vgpr_size_bytes(s_restore_mem_offset) + s_sub_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 + + // the const stride for DWx4 is 4*4 bytes + s_and_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, 0x0000FFFF // reset const stride to 0 + s_or_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, G8SR_RESTORE_BUF_RSRC_WORD1_STRIDE_DWx4 // const stride to 4*4 bytes + + s_mov_b32 m0, s_restore_alloc_size + s_set_gpr_idx_on m0, 0x8 // Note.. This will change m0 + +L_RESTORE_VGPR_LOOP: + buffer_load_dwordx4 v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 + s_waitcnt vmcnt(0) + s_sub_u32 m0, m0, 4 + v_mov_b32 v0, v0 // v[0+m0] = v0 + v_mov_b32 v1, v1 + v_mov_b32 v2, v2 + v_mov_b32 v3, v3 + s_sub_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 + s_cmp_eq_u32 m0, 0x8000 + s_cbranch_scc0 L_RESTORE_VGPR_LOOP + s_set_gpr_idx_off + + s_and_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, 0x0000FFFF // reset const stride to 0 + s_or_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, S_RESTORE_BUF_RSRC_WORD1_STRIDE // const stride to 4*4 bytes + +else + // VGPR load using dw burst + s_mov_b32 s_restore_mem_offset_save, s_restore_mem_offset // restore start with v1, v0 will be the last + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 + s_mov_b32 m0, 4 //VGPR initial index value = 1 + s_set_gpr_idx_on m0, 0x8 //M0[7:0] = M0[7:0] and M0[15:12] = 0x8 + s_add_u32 s_restore_alloc_size, s_restore_alloc_size, 0x8000 //add 0x8000 since we compare m0 against it later + + L_RESTORE_VGPR_LOOP: + if(USE_MTBUF_INSTEAD_OF_MUBUF) + tbuffer_load_format_x v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 + else + buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 + buffer_load_dword v1, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:256 + buffer_load_dword v2, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:256*2 + buffer_load_dword v3, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:256*3 + end + s_waitcnt vmcnt(0) //ensure data ready + v_mov_b32 v0, v0 //v[0+m0] = v0 + v_mov_b32 v1, v1 + v_mov_b32 v2, v2 + v_mov_b32 v3, v3 + s_add_u32 m0, m0, 4 //next vgpr index + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 //every buffer_load_dword does 256 bytes + s_cmp_lt_u32 m0, s_restore_alloc_size //scc = (m0 < s_restore_alloc_size) ? 1 : 0 + s_cbranch_scc1 L_RESTORE_VGPR_LOOP //VGPR restore (except v0) is complete? + s_set_gpr_idx_off + /* VGPR restore on v0 */ + if(USE_MTBUF_INSTEAD_OF_MUBUF) + tbuffer_load_format_x v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 + else + buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 + buffer_load_dword v1, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256 + buffer_load_dword v2, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256*2 + buffer_load_dword v3, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256*3 + end + +end + + /* restore SGPRs */ + ////////////////////////////// + + // SGPR SR memory offset : size(VGPR) + get_vgpr_size_bytes(s_restore_mem_offset) + get_sgpr_size_bytes(s_restore_tmp) + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, s_restore_tmp + s_sub_u32 s_restore_mem_offset, s_restore_mem_offset, 16*4 // restore SGPR from S[n] to S[0], by 16 sgprs group + // TODO, change RSRC word to rearrange memory layout for SGPRS + + s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE) //spgr_size + s_add_u32 s_restore_alloc_size, s_restore_alloc_size, 1 + s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 4 //Number of SGPRs = (sgpr_size + 1) * 16 (non-zero value) + + if (SGPR_SAVE_USE_SQC) + s_lshl_b32 s_restore_buf_rsrc2, s_restore_alloc_size, 2 //NUM_RECORDS in bytes + else + s_lshl_b32 s_restore_buf_rsrc2, s_restore_alloc_size, 8 //NUM_RECORDS in bytes (64 threads) + end + if (SWIZZLE_EN) + s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? + else + s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + end + + s_mov_b32 m0, s_restore_alloc_size + + L_RESTORE_SGPR_LOOP: + read_16sgpr_from_mem(s0, s_restore_buf_rsrc0, s_restore_mem_offset) //PV: further performance improvement can be made + s_waitcnt lgkmcnt(0) //ensure data ready + + s_sub_u32 m0, m0, 16 // Restore from S[n] to S[0] + s_nop 0 // hazard SALU M0=> S_MOVREL + + s_movreld_b64 s0, s0 //s[0+m0] = s0 + s_movreld_b64 s2, s2 + s_movreld_b64 s4, s4 + s_movreld_b64 s6, s6 + s_movreld_b64 s8, s8 + s_movreld_b64 s10, s10 + s_movreld_b64 s12, s12 + s_movreld_b64 s14, s14 + + s_cmp_eq_u32 m0, 0 //scc = (m0 < s_restore_alloc_size) ? 1 : 0 + s_cbranch_scc0 L_RESTORE_SGPR_LOOP //SGPR restore (except s0) is complete? + + /* restore HW registers */ + ////////////////////////////// + L_RESTORE_HWREG: + + +if G8SR_DEBUG_TIMESTAMP + s_mov_b32 s_g8sr_ts_restore_s[0], s_restore_pc_lo + s_mov_b32 s_g8sr_ts_restore_s[1], s_restore_pc_hi +end + + // HWREG SR memory offset : size(VGPR)+size(SGPR) + get_vgpr_size_bytes(s_restore_mem_offset) + get_sgpr_size_bytes(s_restore_tmp) + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, s_restore_tmp + + + s_mov_b32 s_restore_buf_rsrc2, 0x4 //NUM_RECORDS in bytes + if (SWIZZLE_EN) + s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? + else + s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + end + + read_hwreg_from_mem(s_restore_m0, s_restore_buf_rsrc0, s_restore_mem_offset) //M0 + read_hwreg_from_mem(s_restore_pc_lo, s_restore_buf_rsrc0, s_restore_mem_offset) //PC + read_hwreg_from_mem(s_restore_pc_hi, s_restore_buf_rsrc0, s_restore_mem_offset) + read_hwreg_from_mem(s_restore_exec_lo, s_restore_buf_rsrc0, s_restore_mem_offset) //EXEC + read_hwreg_from_mem(s_restore_exec_hi, s_restore_buf_rsrc0, s_restore_mem_offset) + read_hwreg_from_mem(s_restore_status, s_restore_buf_rsrc0, s_restore_mem_offset) //STATUS + read_hwreg_from_mem(s_restore_trapsts, s_restore_buf_rsrc0, s_restore_mem_offset) //TRAPSTS + read_hwreg_from_mem(xnack_mask_lo, s_restore_buf_rsrc0, s_restore_mem_offset) //XNACK_MASK_LO + read_hwreg_from_mem(xnack_mask_hi, s_restore_buf_rsrc0, s_restore_mem_offset) //XNACK_MASK_HI + read_hwreg_from_mem(s_restore_mode, s_restore_buf_rsrc0, s_restore_mem_offset) //MODE + + s_waitcnt lgkmcnt(0) //from now on, it is safe to restore STATUS and IB_STS + + //for normal save & restore, the saved PC points to the next inst to execute, no adjustment needs to be made, otherwise: + if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) + s_add_u32 s_restore_pc_lo, s_restore_pc_lo, 8 //pc[31:0]+8 //two back-to-back s_trap are used (first for save and second for restore) + s_addc_u32 s_restore_pc_hi, s_restore_pc_hi, 0x0 //carry bit over + end + if ((EMU_RUN_HACK) && (EMU_RUN_HACK_RESTORE_NORMAL)) + s_add_u32 s_restore_pc_lo, s_restore_pc_lo, 4 //pc[31:0]+4 // save is hack through s_trap but restore is normal + s_addc_u32 s_restore_pc_hi, s_restore_pc_hi, 0x0 //carry bit over + end + + s_mov_b32 m0, s_restore_m0 + s_mov_b32 exec_lo, s_restore_exec_lo + s_mov_b32 exec_hi, s_restore_exec_hi + + s_and_b32 s_restore_m0, SQ_WAVE_TRAPSTS_PRE_SAVECTX_MASK, s_restore_trapsts + s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_PRE_SAVECTX_SHIFT, SQ_WAVE_TRAPSTS_PRE_SAVECTX_SIZE), s_restore_m0 + s_and_b32 s_restore_m0, SQ_WAVE_TRAPSTS_POST_SAVECTX_MASK, s_restore_trapsts + s_lshr_b32 s_restore_m0, s_restore_m0, SQ_WAVE_TRAPSTS_POST_SAVECTX_SHIFT + s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_POST_SAVECTX_SHIFT, SQ_WAVE_TRAPSTS_POST_SAVECTX_SIZE), s_restore_m0 + //s_setreg_b32 hwreg(HW_REG_TRAPSTS), s_restore_trapsts //don't overwrite SAVECTX bit as it may be set through external SAVECTX during restore + s_setreg_b32 hwreg(HW_REG_MODE), s_restore_mode + + // Restore trap temporaries 6-11, 13-15 initialized by SPI debug dispatch logic + // ttmp SR memory offset : size(VGPR)+size(SGPR)+0x40 + get_vgpr_size_bytes(s_restore_ttmps_lo) + get_sgpr_size_bytes(s_restore_ttmps_hi) + s_add_u32 s_restore_ttmps_lo, s_restore_ttmps_lo, s_restore_ttmps_hi + s_add_u32 s_restore_ttmps_lo, s_restore_ttmps_lo, s_restore_buf_rsrc0 + s_addc_u32 s_restore_ttmps_hi, s_restore_buf_rsrc1, 0x0 + s_and_b32 s_restore_ttmps_hi, s_restore_ttmps_hi, 0xFFFF + s_load_dwordx2 [ttmp6, ttmp7], [s_restore_ttmps_lo, s_restore_ttmps_hi], 0x40 glc:1 + s_load_dwordx4 [ttmp8, ttmp9, ttmp10, ttmp11], [s_restore_ttmps_lo, s_restore_ttmps_hi], 0x48 glc:1 + s_load_dword ttmp13, [s_restore_ttmps_lo, s_restore_ttmps_hi], 0x58 glc:1 + s_load_dwordx2 [ttmp14, ttmp15], [s_restore_ttmps_lo, s_restore_ttmps_hi], 0x5C glc:1 + s_waitcnt lgkmcnt(0) + + //reuse s_restore_m0 as a temp register + s_and_b32 s_restore_m0, s_restore_pc_hi, S_SAVE_PC_HI_RCNT_MASK + s_lshr_b32 s_restore_m0, s_restore_m0, S_SAVE_PC_HI_RCNT_SHIFT + s_lshl_b32 s_restore_m0, s_restore_m0, SQ_WAVE_IB_STS_RCNT_SHIFT + s_mov_b32 s_restore_tmp, 0x0 //IB_STS is zero + s_or_b32 s_restore_tmp, s_restore_tmp, s_restore_m0 + s_and_b32 s_restore_m0, s_restore_pc_hi, S_SAVE_PC_HI_FIRST_REPLAY_MASK + s_lshr_b32 s_restore_m0, s_restore_m0, S_SAVE_PC_HI_FIRST_REPLAY_SHIFT + s_lshl_b32 s_restore_m0, s_restore_m0, SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT + s_or_b32 s_restore_tmp, s_restore_tmp, s_restore_m0 + s_and_b32 s_restore_m0, s_restore_status, SQ_WAVE_STATUS_INST_ATC_MASK + s_lshr_b32 s_restore_m0, s_restore_m0, SQ_WAVE_STATUS_INST_ATC_SHIFT + s_setreg_b32 hwreg(HW_REG_IB_STS), s_restore_tmp + + s_and_b32 s_restore_pc_hi, s_restore_pc_hi, 0x0000ffff //pc[47:32] //Do it here in order not to affect STATUS + s_and_b64 exec, exec, exec // Restore STATUS.EXECZ, not writable by s_setreg_b32 + s_and_b64 vcc, vcc, vcc // Restore STATUS.VCCZ, not writable by s_setreg_b32 + s_setreg_b32 hwreg(HW_REG_STATUS), s_restore_status // SCC is included, which is changed by previous salu + + s_barrier //barrier to ensure the readiness of LDS before access attempts from any other wave in the same TG //FIXME not performance-optimal at this time + +if G8SR_DEBUG_TIMESTAMP + s_memrealtime s_g8sr_ts_restore_d + s_waitcnt lgkmcnt(0) +end + +// s_rfe_b64 s_restore_pc_lo //Return to the main shader program and resume execution + s_rfe_restore_b64 s_restore_pc_lo, s_restore_m0 // s_restore_m0[0] is used to set STATUS.inst_atc + + +/**************************************************************************/ +/* the END */ +/**************************************************************************/ +L_END_PGM: + s_endpgm + +end + + +/**************************************************************************/ +/* the helper functions */ +/**************************************************************************/ + +//Only for save hwreg to mem +function write_hwreg_to_mem(s, s_rsrc, s_mem_offset) + s_mov_b32 exec_lo, m0 //assuming exec_lo is not needed anymore from this point on + s_mov_b32 m0, s_mem_offset + s_buffer_store_dword s, s_rsrc, m0 glc:1 + ack_sqc_store_workaround() + s_add_u32 s_mem_offset, s_mem_offset, 4 + s_mov_b32 m0, exec_lo +end + + +// HWREG are saved before SGPRs, so all HWREG could be use. +function write_16sgpr_to_mem(s, s_rsrc, s_mem_offset) + + s_buffer_store_dwordx4 s[0], s_rsrc, 0 glc:1 + ack_sqc_store_workaround() + s_buffer_store_dwordx4 s[4], s_rsrc, 16 glc:1 + ack_sqc_store_workaround() + s_buffer_store_dwordx4 s[8], s_rsrc, 32 glc:1 + ack_sqc_store_workaround() + s_buffer_store_dwordx4 s[12], s_rsrc, 48 glc:1 + ack_sqc_store_workaround() + s_add_u32 s_rsrc[0], s_rsrc[0], 4*16 + s_addc_u32 s_rsrc[1], s_rsrc[1], 0x0 // +scc +end + + +function read_hwreg_from_mem(s, s_rsrc, s_mem_offset) + s_buffer_load_dword s, s_rsrc, s_mem_offset glc:1 + s_add_u32 s_mem_offset, s_mem_offset, 4 +end + +function read_16sgpr_from_mem(s, s_rsrc, s_mem_offset) + s_buffer_load_dwordx16 s, s_rsrc, s_mem_offset glc:1 + s_sub_u32 s_mem_offset, s_mem_offset, 4*16 +end + + + +function get_lds_size_bytes(s_lds_size_byte) + // SQ LDS granularity is 64DW, while PGM_RSRC2.lds_size is in granularity 128DW + s_getreg_b32 s_lds_size_byte, hwreg(HW_REG_LDS_ALLOC, SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT, SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE) // lds_size + s_lshl_b32 s_lds_size_byte, s_lds_size_byte, 8 //LDS size in dwords = lds_size * 64 *4Bytes // granularity 64DW +end + +function get_vgpr_size_bytes(s_vgpr_size_byte) + s_getreg_b32 s_vgpr_size_byte, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE) //vpgr_size + s_add_u32 s_vgpr_size_byte, s_vgpr_size_byte, 1 + s_lshl_b32 s_vgpr_size_byte, s_vgpr_size_byte, (2+8) //Number of VGPRs = (vgpr_size + 1) * 4 * 64 * 4 (non-zero value) //FIXME for GFX, zero is possible +end + +function get_sgpr_size_bytes(s_sgpr_size_byte) + s_getreg_b32 s_sgpr_size_byte, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE) //spgr_size + s_add_u32 s_sgpr_size_byte, s_sgpr_size_byte, 1 + s_lshl_b32 s_sgpr_size_byte, s_sgpr_size_byte, 6 //Number of SGPRs = (sgpr_size + 1) * 16 *4 (non-zero value) +end + +function get_hwreg_size_bytes + return 128 //HWREG size 128 bytes +end + +function ack_sqc_store_workaround + if ACK_SQC_STORE + s_waitcnt lgkmcnt(0) + end +end diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c index 59808a3..f64c555 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c @@ -233,7 +233,7 @@ static int set_queue_properties_from_user(struct queue_properties *q_properties, pr_debug("Queue Size: 0x%llX, %u\n", q_properties->queue_size, args->ring_size); - pr_debug("Queue r/w Pointers: %p, %p\n", + pr_debug("Queue r/w Pointers: %px, %px\n", q_properties->read_ptr, q_properties->write_ptr); @@ -292,8 +292,16 @@ static int kfd_ioctl_create_queue(struct file *filep, struct kfd_process *p, /* Return gpu_id as doorbell offset for mmap usage */ - args->doorbell_offset = (KFD_MMAP_DOORBELL_MASK | args->gpu_id); + args->doorbell_offset = KFD_MMAP_TYPE_DOORBELL; + args->doorbell_offset |= KFD_MMAP_GPU_ID(args->gpu_id); args->doorbell_offset <<= PAGE_SHIFT; + if (KFD_IS_SOC15(dev->device_info->asic_family)) + /* On SOC15 ASICs, doorbell allocation must be + * per-device, and independent from the per-process + * queue_id. Return the doorbell offset within the + * doorbell aperture to user mode. + */ + args->doorbell_offset |= q_properties.doorbell_off; mutex_unlock(&p->mutex); @@ -1296,8 +1304,8 @@ static int kfd_ioctl_map_memory_to_gpu(struct file *filep, return -EINVAL; } - devices_arr = kmalloc(args->n_devices * sizeof(*devices_arr), - GFP_KERNEL); + devices_arr = kmalloc_array(args->n_devices, sizeof(*devices_arr), + GFP_KERNEL); if (!devices_arr) return -ENOMEM; @@ -1405,8 +1413,8 @@ static int kfd_ioctl_unmap_memory_from_gpu(struct file *filep, return -EINVAL; } - devices_arr = kmalloc(args->n_devices * sizeof(*devices_arr), - GFP_KERNEL); + devices_arr = kmalloc_array(args->n_devices, sizeof(*devices_arr), + GFP_KERNEL); if (!devices_arr) return -ENOMEM; @@ -1645,23 +1653,33 @@ err_i1: static int kfd_mmap(struct file *filp, struct vm_area_struct *vma) { struct kfd_process *process; + struct kfd_dev *dev = NULL; + unsigned long vm_pgoff; + unsigned int gpu_id; process = kfd_get_process(current); if (IS_ERR(process)) return PTR_ERR(process); - if ((vma->vm_pgoff & KFD_MMAP_DOORBELL_MASK) == - KFD_MMAP_DOORBELL_MASK) { - vma->vm_pgoff = vma->vm_pgoff ^ KFD_MMAP_DOORBELL_MASK; - return kfd_doorbell_mmap(process, vma); - } else if ((vma->vm_pgoff & KFD_MMAP_EVENTS_MASK) == - KFD_MMAP_EVENTS_MASK) { - vma->vm_pgoff = vma->vm_pgoff ^ KFD_MMAP_EVENTS_MASK; + vm_pgoff = vma->vm_pgoff; + vma->vm_pgoff = KFD_MMAP_OFFSET_VALUE_GET(vm_pgoff); + gpu_id = KFD_MMAP_GPU_ID_GET(vm_pgoff); + if (gpu_id) + dev = kfd_device_by_id(gpu_id); + + switch (vm_pgoff & KFD_MMAP_TYPE_MASK) { + case KFD_MMAP_TYPE_DOORBELL: + if (!dev) + return -ENODEV; + return kfd_doorbell_mmap(dev, process, vma); + + case KFD_MMAP_TYPE_EVENTS: return kfd_event_mmap(process, vma); - } else if ((vma->vm_pgoff & KFD_MMAP_RESERVED_MEM_MASK) == - KFD_MMAP_RESERVED_MEM_MASK) { - vma->vm_pgoff = vma->vm_pgoff ^ KFD_MMAP_RESERVED_MEM_MASK; - return kfd_reserved_mem_mmap(process, vma); + + case KFD_MMAP_TYPE_RESERVED_MEM: + if (!dev) + return -ENODEV; + return kfd_reserved_mem_mmap(dev, process, vma); } return -EFAULT; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c index 4f126ef..296b3f2 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c @@ -132,6 +132,9 @@ static struct kfd_gpu_cache_info carrizo_cache_info[] = { #define fiji_cache_info carrizo_cache_info #define polaris10_cache_info carrizo_cache_info #define polaris11_cache_info carrizo_cache_info +/* TODO - check & update Vega10 cache details */ +#define vega10_cache_info carrizo_cache_info +#define raven_cache_info carrizo_cache_info static void kfd_populated_cu_info_cpu(struct kfd_topology_device *dev, struct crat_subtype_computeunit *cu) @@ -603,6 +606,14 @@ static int kfd_fill_gpu_cache_info(struct kfd_dev *kdev, pcache_info = polaris11_cache_info; num_of_cache_types = ARRAY_SIZE(polaris11_cache_info); break; + case CHIP_VEGA10: + pcache_info = vega10_cache_info; + num_of_cache_types = ARRAY_SIZE(vega10_cache_info); + break; + case CHIP_RAVEN: + pcache_info = raven_cache_info; + num_of_cache_types = ARRAY_SIZE(raven_cache_info); + break; default: return -EINVAL; } diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c index 334669996..7ee6cec 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -20,16 +20,13 @@ * OTHER DEALINGS IN THE SOFTWARE. */ -#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) -#include <linux/amd-iommu.h> -#endif #include <linux/bsearch.h> #include <linux/pci.h> #include <linux/slab.h> #include "kfd_priv.h" #include "kfd_device_queue_manager.h" #include "kfd_pm4_headers_vi.h" -#include "cwsr_trap_handler_gfx8.asm" +#include "cwsr_trap_handler.h" #include "kfd_iommu.h" #define MQD_SIZE_ALIGNED 768 @@ -41,6 +38,7 @@ static const struct kfd_device_info kaveri_device_info = { .max_pasid_bits = 16, /* max num of queues for KV.TODO should be a dynamic value */ .max_no_of_hqd = 24, + .doorbell_size = 4, .ih_ring_entry_size = 4 * sizeof(uint32_t), .event_interrupt_class = &event_interrupt_class_cik, .num_of_watch_points = 4, @@ -55,6 +53,7 @@ static const struct kfd_device_info carrizo_device_info = { .max_pasid_bits = 16, /* max num of queues for CZ.TODO should be a dynamic value */ .max_no_of_hqd = 24, + .doorbell_size = 4, .ih_ring_entry_size = 4 * sizeof(uint32_t), .event_interrupt_class = &event_interrupt_class_cik, .num_of_watch_points = 4, @@ -70,6 +69,7 @@ static const struct kfd_device_info hawaii_device_info = { .max_pasid_bits = 16, /* max num of queues for KV.TODO should be a dynamic value */ .max_no_of_hqd = 24, + .doorbell_size = 4, .ih_ring_entry_size = 4 * sizeof(uint32_t), .event_interrupt_class = &event_interrupt_class_cik, .num_of_watch_points = 4, @@ -83,6 +83,7 @@ static const struct kfd_device_info tonga_device_info = { .asic_family = CHIP_TONGA, .max_pasid_bits = 16, .max_no_of_hqd = 24, + .doorbell_size = 4, .ih_ring_entry_size = 4 * sizeof(uint32_t), .event_interrupt_class = &event_interrupt_class_cik, .num_of_watch_points = 4, @@ -96,6 +97,7 @@ static const struct kfd_device_info tonga_vf_device_info = { .asic_family = CHIP_TONGA, .max_pasid_bits = 16, .max_no_of_hqd = 24, + .doorbell_size = 4, .ih_ring_entry_size = 4 * sizeof(uint32_t), .event_interrupt_class = &event_interrupt_class_cik, .num_of_watch_points = 4, @@ -109,6 +111,7 @@ static const struct kfd_device_info fiji_device_info = { .asic_family = CHIP_FIJI, .max_pasid_bits = 16, .max_no_of_hqd = 24, + .doorbell_size = 4, .ih_ring_entry_size = 4 * sizeof(uint32_t), .event_interrupt_class = &event_interrupt_class_cik, .num_of_watch_points = 4, @@ -122,6 +125,7 @@ static const struct kfd_device_info fiji_vf_device_info = { .asic_family = CHIP_FIJI, .max_pasid_bits = 16, .max_no_of_hqd = 24, + .doorbell_size = 4, .ih_ring_entry_size = 4 * sizeof(uint32_t), .event_interrupt_class = &event_interrupt_class_cik, .num_of_watch_points = 4, @@ -136,6 +140,7 @@ static const struct kfd_device_info polaris10_device_info = { .asic_family = CHIP_POLARIS10, .max_pasid_bits = 16, .max_no_of_hqd = 24, + .doorbell_size = 4, .ih_ring_entry_size = 4 * sizeof(uint32_t), .event_interrupt_class = &event_interrupt_class_cik, .num_of_watch_points = 4, @@ -149,6 +154,7 @@ static const struct kfd_device_info polaris10_vf_device_info = { .asic_family = CHIP_POLARIS10, .max_pasid_bits = 16, .max_no_of_hqd = 24, + .doorbell_size = 4, .ih_ring_entry_size = 4 * sizeof(uint32_t), .event_interrupt_class = &event_interrupt_class_cik, .num_of_watch_points = 4, @@ -162,6 +168,7 @@ static const struct kfd_device_info polaris11_device_info = { .asic_family = CHIP_POLARIS11, .max_pasid_bits = 16, .max_no_of_hqd = 24, + .doorbell_size = 4, .ih_ring_entry_size = 4 * sizeof(uint32_t), .event_interrupt_class = &event_interrupt_class_cik, .num_of_watch_points = 4, @@ -171,6 +178,34 @@ static const struct kfd_device_info polaris11_device_info = { .needs_pci_atomics = true, }; +static const struct kfd_device_info vega10_device_info = { + .asic_family = CHIP_VEGA10, + .max_pasid_bits = 16, + .max_no_of_hqd = 24, + .doorbell_size = 8, + .ih_ring_entry_size = 8 * sizeof(uint32_t), + .event_interrupt_class = &event_interrupt_class_v9, + .num_of_watch_points = 4, + .mqd_size_aligned = MQD_SIZE_ALIGNED, + .supports_cwsr = true, + .needs_iommu_device = false, + .needs_pci_atomics = false, +}; + +static const struct kfd_device_info vega10_vf_device_info = { + .asic_family = CHIP_VEGA10, + .max_pasid_bits = 16, + .max_no_of_hqd = 24, + .doorbell_size = 8, + .ih_ring_entry_size = 8 * sizeof(uint32_t), + .event_interrupt_class = &event_interrupt_class_v9, + .num_of_watch_points = 4, + .mqd_size_aligned = MQD_SIZE_ALIGNED, + .supports_cwsr = true, + .needs_iommu_device = false, + .needs_pci_atomics = false, +}; + struct kfd_deviceid { unsigned short did; @@ -250,6 +285,15 @@ static const struct kfd_deviceid supported_devices[] = { { 0x67EB, &polaris11_device_info }, /* Polaris11 */ { 0x67EF, &polaris11_device_info }, /* Polaris11 */ { 0x67FF, &polaris11_device_info }, /* Polaris11 */ + { 0x6860, &vega10_device_info }, /* Vega10 */ + { 0x6861, &vega10_device_info }, /* Vega10 */ + { 0x6862, &vega10_device_info }, /* Vega10 */ + { 0x6863, &vega10_device_info }, /* Vega10 */ + { 0x6864, &vega10_device_info }, /* Vega10 */ + { 0x6867, &vega10_device_info }, /* Vega10 */ + { 0x6868, &vega10_device_info }, /* Vega10 */ + { 0x686C, &vega10_vf_device_info }, /* Vega10 vf*/ + { 0x687F, &vega10_device_info }, /* Vega10 */ }; static int kfd_gtt_sa_init(struct kfd_dev *kfd, unsigned int buf_size, @@ -279,7 +323,7 @@ struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, struct pci_dev *pdev, const struct kfd2kgd_calls *f2g) { struct kfd_dev *kfd; - + int ret; const struct kfd_device_info *device_info = lookup_device_info(pdev->device); @@ -288,19 +332,18 @@ struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, return NULL; } - if (device_info->needs_pci_atomics) { - /* Allow BIF to recode atomics to PCIe 3.0 - * AtomicOps. 32 and 64-bit requests are possible and - * must be supported. - */ - if (pci_enable_atomic_ops_to_root(pdev, - PCI_EXP_DEVCAP2_ATOMIC_COMP32 | - PCI_EXP_DEVCAP2_ATOMIC_COMP64) < 0) { - dev_info(kfd_device, - "skipped device %x:%x, PCI rejects atomics", - pdev->vendor, pdev->device); - return NULL; - } + /* Allow BIF to recode atomics to PCIe 3.0 AtomicOps. + * 32 and 64-bit requests are possible and must be + * supported. + */ + ret = pci_enable_atomic_ops_to_root(pdev, + PCI_EXP_DEVCAP2_ATOMIC_COMP32 | + PCI_EXP_DEVCAP2_ATOMIC_COMP64); + if (device_info->needs_pci_atomics && ret < 0) { + dev_info(kfd_device, + "skipped device %x:%x, PCI rejects atomics\n", + pdev->vendor, pdev->device); + return NULL; } kfd = kzalloc(sizeof(*kfd), GFP_KERNEL); @@ -323,10 +366,16 @@ struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, static void kfd_cwsr_init(struct kfd_dev *kfd) { if (cwsr_enable && kfd->device_info->supports_cwsr) { - BUILD_BUG_ON(sizeof(cwsr_trap_gfx8_hex) > PAGE_SIZE); + if (kfd->device_info->asic_family < CHIP_VEGA10) { + BUILD_BUG_ON(sizeof(cwsr_trap_gfx8_hex) > PAGE_SIZE); + kfd->cwsr_isa = cwsr_trap_gfx8_hex; + kfd->cwsr_isa_size = sizeof(cwsr_trap_gfx8_hex); + } else { + BUILD_BUG_ON(sizeof(cwsr_trap_gfx9_hex) > PAGE_SIZE); + kfd->cwsr_isa = cwsr_trap_gfx9_hex; + kfd->cwsr_isa_size = sizeof(cwsr_trap_gfx9_hex); + } - kfd->cwsr_isa = cwsr_trap_gfx8_hex; - kfd->cwsr_isa_size = sizeof(cwsr_trap_gfx8_hex); kfd->cwsr_enabled = true; } } @@ -541,6 +590,44 @@ void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry) spin_unlock(&kfd->interrupt_lock); } +int kgd2kfd_quiesce_mm(struct mm_struct *mm) +{ + struct kfd_process *p; + int r; + + /* Because we are called from arbitrary context (workqueue) as opposed + * to process context, kfd_process could attempt to exit while we are + * running so the lookup function increments the process ref count. + */ + p = kfd_lookup_process_by_mm(mm); + if (!p) + return -ESRCH; + + r = kfd_process_evict_queues(p); + + kfd_unref_process(p); + return r; +} + +int kgd2kfd_resume_mm(struct mm_struct *mm) +{ + struct kfd_process *p; + int r; + + /* Because we are called from arbitrary context (workqueue) as opposed + * to process context, kfd_process could attempt to exit while we are + * running so the lookup function increments the process ref count. + */ + p = kfd_lookup_process_by_mm(mm); + if (!p) + return -ESRCH; + + r = kfd_process_restore_queues(p); + + kfd_unref_process(p); + return r; +} + /** kgd2kfd_schedule_evict_and_restore_process - Schedules work queue that will * prepare for safe eviction of KFD BOs that belong to the specified * process. @@ -652,7 +739,7 @@ int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size, if (size > kfd->gtt_sa_num_of_chunks * kfd->gtt_sa_chunk_size) return -ENOMEM; - *mem_obj = kmalloc(sizeof(struct kfd_mem_obj), GFP_KERNEL); + *mem_obj = kzalloc(sizeof(struct kfd_mem_obj), GFP_NOIO); if ((*mem_obj) == NULL) return -ENOMEM; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c index d55d29d..668ad07 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -110,6 +110,57 @@ void program_sh_mem_settings(struct device_queue_manager *dqm, qpd->sh_mem_bases); } +static int allocate_doorbell(struct qcm_process_device *qpd, struct queue *q) +{ + struct kfd_dev *dev = qpd->dqm->dev; + + if (!KFD_IS_SOC15(dev->device_info->asic_family)) { + /* On pre-SOC15 chips we need to use the queue ID to + * preserve the user mode ABI. + */ + q->doorbell_id = q->properties.queue_id; + } else if (q->properties.type == KFD_QUEUE_TYPE_SDMA) { + /* For SDMA queues on SOC15, use static doorbell + * assignments based on the engine and queue. + */ + q->doorbell_id = dev->shared_resources.sdma_doorbell + [q->properties.sdma_engine_id] + [q->properties.sdma_queue_id]; + } else { + /* For CP queues on SOC15 reserve a free doorbell ID */ + unsigned int found; + + found = find_first_zero_bit(qpd->doorbell_bitmap, + KFD_MAX_NUM_OF_QUEUES_PER_PROCESS); + if (found >= KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) { + pr_debug("No doorbells available"); + return -EBUSY; + } + set_bit(found, qpd->doorbell_bitmap); + q->doorbell_id = found; + } + + q->properties.doorbell_off = + kfd_doorbell_id_to_offset(dev, q->process, + q->doorbell_id); + + return 0; +} + +static void deallocate_doorbell(struct qcm_process_device *qpd, + struct queue *q) +{ + unsigned int old; + struct kfd_dev *dev = qpd->dqm->dev; + + if (!KFD_IS_SOC15(dev->device_info->asic_family) || + q->properties.type == KFD_QUEUE_TYPE_SDMA) + return; + + old = test_and_clear_bit(q->doorbell_id, qpd->doorbell_bitmap); + WARN_ON(!old); +} + static int allocate_vmid(struct device_queue_manager *dqm, struct qcm_process_device *qpd, struct queue *q) @@ -145,15 +196,19 @@ static int allocate_vmid(struct device_queue_manager *dqm, static int flush_texture_cache_nocpsch(struct kfd_dev *kdev, struct qcm_process_device *qpd) { - uint32_t len; + const struct packet_manager_funcs *pmf = qpd->dqm->packets.pmf; + int ret; if (!qpd->ib_kaddr) return -ENOMEM; - len = pm_create_release_mem(qpd->ib_base, (uint32_t *)qpd->ib_kaddr); + ret = pmf->release_mem(qpd->ib_base, (uint32_t *)qpd->ib_kaddr); + if (ret) + return ret; return kdev->kfd2kgd->submit_ib(kdev->kgd, KGD_ENGINE_MEC1, qpd->vmid, - qpd->ib_base, (uint32_t *)qpd->ib_kaddr, len); + qpd->ib_base, (uint32_t *)qpd->ib_kaddr, + pmf->release_mem_size / sizeof(uint32_t)); } static void deallocate_vmid(struct device_queue_manager *dqm, @@ -301,10 +356,14 @@ static int create_compute_queue_nocpsch(struct device_queue_manager *dqm, if (retval) return retval; + retval = allocate_doorbell(qpd, q); + if (retval) + goto out_deallocate_hqd; + retval = mqd->init_mqd(mqd, &q->mqd, &q->mqd_mem_obj, &q->gart_mqd_addr, &q->properties); if (retval) - goto out_deallocate_hqd; + goto out_deallocate_doorbell; pr_debug("Loading mqd to hqd on pipe %d, queue %d\n", q->pipe, q->queue); @@ -324,6 +383,8 @@ static int create_compute_queue_nocpsch(struct device_queue_manager *dqm, out_uninit_mqd: mqd->uninit_mqd(mqd, q->mqd, q->mqd_mem_obj); +out_deallocate_doorbell: + deallocate_doorbell(qpd, q); out_deallocate_hqd: deallocate_hqd(dqm, q); @@ -357,6 +418,8 @@ static int destroy_queue_nocpsch_locked(struct device_queue_manager *dqm, } dqm->total_queue_count--; + deallocate_doorbell(qpd, q); + retval = mqd->destroy_mqd(mqd, q->mqd, KFD_PREEMPT_TYPE_WAVEFRONT_RESET, KFD_UNMAP_LATENCY_MS, @@ -861,6 +924,10 @@ static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm, q->properties.sdma_queue_id = q->sdma_id / CIK_SDMA_QUEUES_PER_ENGINE; q->properties.sdma_engine_id = q->sdma_id % CIK_SDMA_QUEUES_PER_ENGINE; + retval = allocate_doorbell(qpd, q); + if (retval) + goto out_deallocate_sdma_queue; + pr_debug("SDMA id is: %d\n", q->sdma_id); pr_debug("SDMA queue id: %d\n", q->properties.sdma_queue_id); pr_debug("SDMA engine id: %d\n", q->properties.sdma_engine_id); @@ -869,7 +936,7 @@ static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm, retval = mqd->init_mqd(mqd, &q->mqd, &q->mqd_mem_obj, &q->gart_mqd_addr, &q->properties); if (retval) - goto out_deallocate_sdma_queue; + goto out_deallocate_doorbell; retval = mqd->load_mqd(mqd, q->mqd, 0, 0, &q->properties, NULL); if (retval) @@ -879,6 +946,8 @@ static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm, out_uninit_mqd: mqd->uninit_mqd(mqd, q->mqd, q->mqd_mem_obj); +out_deallocate_doorbell: + deallocate_doorbell(qpd, q); out_deallocate_sdma_queue: deallocate_sdma_queue(dqm, q->sdma_id); @@ -1070,12 +1139,17 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q, q->properties.sdma_engine_id = q->sdma_id % CIK_SDMA_QUEUES_PER_ENGINE; } + + retval = allocate_doorbell(qpd, q); + if (retval) + goto out_deallocate_sdma_queue; + mqd = dqm->ops.get_mqd_manager(dqm, get_mqd_type_from_queue_type(q->properties.type)); if (!mqd) { retval = -ENOMEM; - goto out_deallocate_sdma_queue; + goto out_deallocate_doorbell; } /* * Eviction state logic: we only mark active queues as evicted @@ -1093,7 +1167,7 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q, retval = mqd->init_mqd(mqd, &q->mqd, &q->mqd_mem_obj, &q->gart_mqd_addr, &q->properties); if (retval) - goto out_deallocate_sdma_queue; + goto out_deallocate_doorbell; list_add(&q->list, &qpd->queues_list); qpd->queue_count++; @@ -1117,6 +1191,8 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q, mutex_unlock(&dqm->lock); return retval; +out_deallocate_doorbell: + deallocate_doorbell(qpd, q); out_deallocate_sdma_queue: if (q->properties.type == KFD_QUEUE_TYPE_SDMA) deallocate_sdma_queue(dqm, q->sdma_id); @@ -1257,6 +1333,8 @@ static int destroy_queue_cpsch(struct device_queue_manager *dqm, goto failed; } + deallocate_doorbell(qpd, q); + if (q->properties.type == KFD_QUEUE_TYPE_SDMA) { dqm->sdma_queue_count--; deallocate_sdma_queue(dqm, q->sdma_id); @@ -1308,7 +1386,10 @@ static bool set_cache_memory_policy(struct device_queue_manager *dqm, void __user *alternate_aperture_base, uint64_t alternate_aperture_size) { - bool retval; + bool retval = true; + + if (!dqm->asic_ops.set_cache_memory_policy) + return retval; mutex_lock(&dqm->lock); @@ -1577,6 +1658,11 @@ struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev) case CHIP_POLARIS11: device_queue_manager_init_vi_tonga(&dqm->asic_ops); break; + + case CHIP_VEGA10: + case CHIP_RAVEN: + device_queue_manager_init_v9(&dqm->asic_ops); + break; default: WARN(1, "Unexpected ASIC family %u", dev->device_info->asic_family); @@ -1627,6 +1713,18 @@ int dqm_debugfs_hqds(struct seq_file *m, void *data) int pipe, queue; int r = 0; + r = dqm->dev->kfd2kgd->hqd_dump(dqm->dev->kgd, + KFD_CIK_HIQ_PIPE, KFD_CIK_HIQ_QUEUE, &dump, &n_regs); + if (!r) { + seq_printf(m, " HIQ on MEC %d Pipe %d Queue %d\n", + KFD_CIK_HIQ_PIPE/get_pipes_per_mec(dqm)+1, + KFD_CIK_HIQ_PIPE%get_pipes_per_mec(dqm), + KFD_CIK_HIQ_QUEUE); + seq_reg_dump(m, dump, n_regs); + + kfree(dump); + } + for (pipe = 0; pipe < get_pipes_per_mec(dqm); pipe++) { int pipe_offset = pipe * get_queues_per_pipe(dqm); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h index 412beff..59a6b19 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h @@ -200,6 +200,8 @@ void device_queue_manager_init_vi( struct device_queue_manager_asic_ops *asic_ops); void device_queue_manager_init_vi_tonga( struct device_queue_manager_asic_ops *asic_ops); +void device_queue_manager_init_v9( + struct device_queue_manager_asic_ops *asic_ops); void program_sh_mem_settings(struct device_queue_manager *dqm, struct qcm_process_device *qpd); unsigned int get_queues_num(struct device_queue_manager *dqm); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v9.c new file mode 100644 index 0000000..79e5bcf --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v9.c @@ -0,0 +1,84 @@ +/* + * Copyright 2016-2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "kfd_device_queue_manager.h" +#include "vega10_enum.h" +#include "gc/gc_9_0_offset.h" +#include "gc/gc_9_0_sh_mask.h" +#include "sdma0/sdma0_4_0_sh_mask.h" + +static int update_qpd_v9(struct device_queue_manager *dqm, + struct qcm_process_device *qpd); +static void init_sdma_vm_v9(struct device_queue_manager *dqm, struct queue *q, + struct qcm_process_device *qpd); + +void device_queue_manager_init_v9( + struct device_queue_manager_asic_ops *asic_ops) +{ + asic_ops->update_qpd = update_qpd_v9; + asic_ops->init_sdma_vm = init_sdma_vm_v9; +} + +static uint32_t compute_sh_mem_bases_64bit(struct kfd_process_device *pdd) +{ + uint32_t shared_base = pdd->lds_base >> 48; + uint32_t private_base = pdd->scratch_base >> 48; + + return (shared_base << SH_MEM_BASES__SHARED_BASE__SHIFT) | + private_base; +} + +static int update_qpd_v9(struct device_queue_manager *dqm, + struct qcm_process_device *qpd) +{ + struct kfd_process_device *pdd; + + pdd = qpd_to_pdd(qpd); + + /* check if sh_mem_config register already configured */ + if (qpd->sh_mem_config == 0) { + qpd->sh_mem_config = + SH_MEM_ALIGNMENT_MODE_UNALIGNED << + SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT; + if (vega10_noretry && + !dqm->dev->device_info->needs_iommu_device) + qpd->sh_mem_config |= + 1 << SH_MEM_CONFIG__RETRY_DISABLE__SHIFT; + + qpd->sh_mem_ape1_limit = 0; + qpd->sh_mem_ape1_base = 0; + } + + qpd->sh_mem_bases = compute_sh_mem_bases_64bit(pdd); + + pr_debug("sh_mem_bases 0x%X\n", qpd->sh_mem_bases); + + return 0; +} + +static void init_sdma_vm_v9(struct device_queue_manager *dqm, struct queue *q, + struct qcm_process_device *qpd) +{ + /* Not needed on SDMAv4 any more */ + q->properties.sdma_vm_addr = 0; +} diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c index ebb4da14..c3744d8 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c @@ -33,7 +33,6 @@ static DEFINE_IDA(doorbell_ida); static unsigned int max_doorbell_slices; -#define KFD_SIZE_OF_DOORBELL_IN_BYTES 4 /* * Each device exposes a doorbell aperture, a PCI MMIO aperture that @@ -50,9 +49,9 @@ static unsigned int max_doorbell_slices; */ /* # of doorbell bytes allocated for each process. */ -static inline size_t doorbell_process_allocation(void) +size_t kfd_doorbell_process_slice(struct kfd_dev *kfd) { - return roundup(KFD_SIZE_OF_DOORBELL_IN_BYTES * + return roundup(kfd->device_info->doorbell_size * KFD_MAX_NUM_OF_QUEUES_PER_PROCESS, PAGE_SIZE); } @@ -72,16 +71,16 @@ int kfd_doorbell_init(struct kfd_dev *kfd) doorbell_start_offset = roundup(kfd->shared_resources.doorbell_start_offset, - doorbell_process_allocation()); + kfd_doorbell_process_slice(kfd)); doorbell_aperture_size = rounddown(kfd->shared_resources.doorbell_aperture_size, - doorbell_process_allocation()); + kfd_doorbell_process_slice(kfd)); if (doorbell_aperture_size > doorbell_start_offset) doorbell_process_limit = (doorbell_aperture_size - doorbell_start_offset) / - doorbell_process_allocation(); + kfd_doorbell_process_slice(kfd); else return -ENOSPC; @@ -95,7 +94,7 @@ int kfd_doorbell_init(struct kfd_dev *kfd) kfd->doorbell_id_offset = doorbell_start_offset / sizeof(u32); kfd->doorbell_kernel_ptr = ioremap(kfd->doorbell_base, - doorbell_process_allocation()); + kfd_doorbell_process_slice(kfd)); if (!kfd->doorbell_kernel_ptr) return -ENOMEM; @@ -127,21 +126,16 @@ void kfd_doorbell_fini(struct kfd_dev *kfd) iounmap(kfd->doorbell_kernel_ptr); } -int kfd_doorbell_mmap(struct kfd_process *process, struct vm_area_struct *vma) +int kfd_doorbell_mmap(struct kfd_dev *dev, struct kfd_process *process, + struct vm_area_struct *vma) { phys_addr_t address; - struct kfd_dev *dev; /* * For simplicitly we only allow mapping of the entire doorbell * allocation of a single device & process. */ - if (vma->vm_end - vma->vm_start != doorbell_process_allocation()) - return -EINVAL; - - /* Find kfd device according to gpu id */ - dev = kfd_device_by_id(vma->vm_pgoff); - if (!dev) + if (vma->vm_end - vma->vm_start != kfd_doorbell_process_slice(dev)) return -EINVAL; /* Calculate physical address of doorbell */ @@ -158,19 +152,19 @@ int kfd_doorbell_mmap(struct kfd_process *process, struct vm_area_struct *vma) " vm_flags == 0x%04lX\n" " size == 0x%04lX\n", (unsigned long long) vma->vm_start, address, vma->vm_flags, - doorbell_process_allocation()); + kfd_doorbell_process_slice(dev)); return io_remap_pfn_range(vma, vma->vm_start, address >> PAGE_SHIFT, - doorbell_process_allocation(), + kfd_doorbell_process_slice(dev), vma->vm_page_prot); } /* get kernel iomem pointer for a doorbell */ -u32 __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, +void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, unsigned int *doorbell_off) { u32 inx; @@ -185,6 +179,8 @@ u32 __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, if (inx >= KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) return NULL; + inx *= kfd->device_info->doorbell_size / sizeof(u32); + /* * Calculating the kernel doorbell offset using the first * doorbell page. @@ -210,7 +206,7 @@ void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr) mutex_unlock(&kfd->doorbell_mutex); } -inline void write_kernel_doorbell(u32 __iomem *db, u32 value) +void write_kernel_doorbell(void __iomem *db, u32 value) { if (db) { writel(value, db); @@ -218,30 +214,37 @@ inline void write_kernel_doorbell(u32 __iomem *db, u32 value) } } -/* - * queue_ids are in the range [0,MAX_PROCESS_QUEUES) and are mapped 1:1 - * to doorbells with the process's doorbell page - */ -unsigned int kfd_queue_id_to_doorbell(struct kfd_dev *kfd, +void write_kernel_doorbell64(void __iomem *db, u64 value) +{ + if (db) { + WARN(((unsigned long)db & 7) != 0, + "Unaligned 64-bit doorbell"); + writeq(value, (u64 __iomem *)db); + pr_debug("writing %llu to doorbell address %p\n", value, db); + } +} + +unsigned int kfd_doorbell_id_to_offset(struct kfd_dev *kfd, struct kfd_process *process, - unsigned int queue_id) + unsigned int doorbell_id) { /* * doorbell_id_offset accounts for doorbells taken by KGD. - * index * doorbell_process_allocation/sizeof(u32) adjusts to - * the process's doorbells. + * index * kfd_doorbell_process_slice/sizeof(u32) adjusts to + * the process's doorbells. The offset returned is in dword + * units regardless of the ASIC-dependent doorbell size. */ return kfd->doorbell_id_offset + process->doorbell_index - * doorbell_process_allocation() / sizeof(u32) + - queue_id; + * kfd_doorbell_process_slice(kfd) / sizeof(u32) + + doorbell_id * kfd->device_info->doorbell_size / sizeof(u32); } uint64_t kfd_get_number_elems(struct kfd_dev *kfd) { uint64_t num_of_elems = (kfd->shared_resources.doorbell_aperture_size - kfd->shared_resources.doorbell_start_offset) / - doorbell_process_allocation() + 1; + kfd_doorbell_process_slice(kfd) + 1; return num_of_elems; @@ -251,7 +254,7 @@ phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, struct kfd_process *process) { return dev->doorbell_base + - process->doorbell_index * doorbell_process_allocation(); + process->doorbell_index * kfd_doorbell_process_slice(dev); } int kfd_alloc_process_doorbells(struct kfd_process *process) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c index 4890a90..5562e94 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c @@ -345,7 +345,7 @@ int kfd_event_create(struct file *devkfd, struct kfd_process *p, case KFD_EVENT_TYPE_DEBUG: ret = create_signal_event(devkfd, p, ev); if (!ret) { - *event_page_offset = KFD_MMAP_EVENTS_MASK; + *event_page_offset = KFD_MMAP_TYPE_EVENTS; *event_page_offset <<= PAGE_SHIFT; *event_slot_index = ev->event_id; } @@ -496,7 +496,7 @@ void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id, pr_debug_ratelimited("Partial ID invalid: %u (%u valid bits)\n", partial_id, valid_id_bits); - if (p->signal_event_count < KFD_SIGNAL_EVENT_LIMIT/2) { + if (p->signal_event_count < KFD_SIGNAL_EVENT_LIMIT / 64) { /* With relatively few events, it's faster to * iterate over the event IDR */ diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c b/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c index 66852de..97d5423 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c @@ -275,23 +275,35 @@ * for FLAT_* / S_LOAD operations. */ -#define MAKE_GPUVM_APP_BASE(gpu_num) \ +#define MAKE_GPUVM_APP_BASE_VI(gpu_num) \ (((uint64_t)(gpu_num) << 61) + 0x1000000000000L) #define MAKE_GPUVM_APP_LIMIT(base, size) \ (((uint64_t)(base) & 0xFFFFFF0000000000UL) + (size) - 1) -#define MAKE_SCRATCH_APP_BASE() \ +#define MAKE_SCRATCH_APP_BASE_VI() \ (((uint64_t)(0x1UL) << 61) + 0x100000000L) #define MAKE_SCRATCH_APP_LIMIT(base) \ (((uint64_t)base & 0xFFFFFFFF00000000UL) | 0xFFFFFFFF) -#define MAKE_LDS_APP_BASE() \ +#define MAKE_LDS_APP_BASE_VI() \ (((uint64_t)(0x1UL) << 61) + 0x0) #define MAKE_LDS_APP_LIMIT(base) \ (((uint64_t)(base) & 0xFFFFFFFF00000000UL) | 0xFFFFFFFF) +/* On GFXv9 the LDS and scratch apertures are programmed independently + * using the high 16 bits of the 64-bit virtual address. They must be + * in the hole, which will be the case as long as the high 16 bits are + * not 0. + * + * The aperture sizes are still 4GB implicitly. + * + * A GPUVM aperture is not applicable on GFXv9. + */ +#define MAKE_LDS_APP_BASE_V9() ((uint64_t)(0x1UL) << 48) +#define MAKE_SCRATCH_APP_BASE_V9() ((uint64_t)(0x2UL) << 48) + /* User mode manages most of the SVM aperture address space. The low * 16MB are reserved for kernel use (CWSR trap handler and kernel IB * for now). @@ -300,6 +312,55 @@ #define SVM_CWSR_BASE (SVM_USER_BASE - KFD_CWSR_TBA_TMA_SIZE) #define SVM_IB_BASE (SVM_CWSR_BASE - PAGE_SIZE) +static void kfd_init_apertures_vi(struct kfd_process_device *pdd, uint8_t id) +{ + /* + * node id couldn't be 0 - the three MSB bits of + * aperture shoudn't be 0 + */ + pdd->lds_base = MAKE_LDS_APP_BASE_VI(); + pdd->lds_limit = MAKE_LDS_APP_LIMIT(pdd->lds_base); + + if (!pdd->dev->device_info->needs_iommu_device) { + /* dGPUs: SVM aperture starting at 0 + * with small reserved space for kernel. + * Set them to CANONICAL addresses. + */ + pdd->gpuvm_base = SVM_USER_BASE; + pdd->gpuvm_limit = + pdd->dev->shared_resources.gpuvm_size - 1; + } else { + /* set them to non CANONICAL addresses, and no SVM is + * allocated. + */ + pdd->gpuvm_base = MAKE_GPUVM_APP_BASE_VI(id + 1); + pdd->gpuvm_limit = MAKE_GPUVM_APP_LIMIT(pdd->gpuvm_base, + pdd->dev->shared_resources.gpuvm_size); + } + + pdd->scratch_base = MAKE_SCRATCH_APP_BASE_VI(); + pdd->scratch_limit = MAKE_SCRATCH_APP_LIMIT(pdd->scratch_base); +} + +static void kfd_init_apertures_v9(struct kfd_process_device *pdd, uint8_t id) +{ + pdd->lds_base = MAKE_LDS_APP_BASE_V9(); + pdd->lds_limit = MAKE_LDS_APP_LIMIT(pdd->lds_base); + + /* Raven needs SVM to support graphic handle, etc. Leave the small + * reserved space before SVM on Raven as well, even though we don't + * have to. + * Set gpuvm_base and gpuvm_limit to CANONICAL addresses so that they + * are used in Thunk to reserve SVM. + */ + pdd->gpuvm_base = SVM_USER_BASE; + pdd->gpuvm_limit = + pdd->dev->shared_resources.gpuvm_size - 1; + + pdd->scratch_base = MAKE_SCRATCH_APP_BASE_V9(); + pdd->scratch_limit = MAKE_SCRATCH_APP_LIMIT(pdd->scratch_base); +} + int kfd_init_apertures(struct kfd_process *process) { uint8_t id = 0; @@ -307,9 +368,7 @@ int kfd_init_apertures(struct kfd_process *process) struct kfd_process_device *pdd; /*Iterating over all devices*/ - while (kfd_topology_enum_kfd_devices(id, &dev) == 0 && - id < NUM_OF_SUPPORTED_GPUS) { - + while (kfd_topology_enum_kfd_devices(id, &dev) == 0) { if (!dev) { id++; /* Skip non GPU devices */ continue; @@ -318,7 +377,7 @@ int kfd_init_apertures(struct kfd_process *process) pdd = kfd_create_process_device_data(dev, process); if (!pdd) { pr_err("Failed to create process device data\n"); - return -1; + return -ENOMEM; } /* * For 64 bit process apertures will be statically reserved in @@ -330,32 +389,30 @@ int kfd_init_apertures(struct kfd_process *process) pdd->gpuvm_base = pdd->gpuvm_limit = 0; pdd->scratch_base = pdd->scratch_limit = 0; } else { - /* Same LDS and scratch apertures can be used - * on all GPUs. This allows using more dGPUs - * than placement options for apertures. - */ - pdd->lds_base = MAKE_LDS_APP_BASE(); - pdd->lds_limit = MAKE_LDS_APP_LIMIT(pdd->lds_base); - - pdd->scratch_base = MAKE_SCRATCH_APP_BASE(); - pdd->scratch_limit = - MAKE_SCRATCH_APP_LIMIT(pdd->scratch_base); + switch (dev->device_info->asic_family) { + case CHIP_KAVERI: + case CHIP_HAWAII: + case CHIP_CARRIZO: + case CHIP_TONGA: + case CHIP_FIJI: + case CHIP_POLARIS10: + case CHIP_POLARIS11: + kfd_init_apertures_vi(pdd, id); + break; + case CHIP_VEGA10: + case CHIP_RAVEN: + kfd_init_apertures_v9(pdd, id); + break; + default: + WARN(1, "Unexpected ASIC family %u", + dev->device_info->asic_family); + return -EINVAL; + } - if (dev->device_info->needs_iommu_device) { - /* APUs: GPUVM aperture in - * non-canonical address space - */ - pdd->gpuvm_base = MAKE_GPUVM_APP_BASE(id + 1); - pdd->gpuvm_limit = MAKE_GPUVM_APP_LIMIT( - pdd->gpuvm_base, - dev->shared_resources.gpuvm_size); - } else { - /* dGPUs: SVM aperture starting at 0 - * with small reserved space for kernel + if (!dev->device_info->needs_iommu_device) { + /* dGPUs: the reserved space for kernel + * before SVM */ - pdd->gpuvm_base = SVM_USER_BASE; - pdd->gpuvm_limit = - dev->shared_resources.gpuvm_size - 1; pdd->qpd.cwsr_base = SVM_CWSR_BASE; pdd->qpd.ib_base = SVM_IB_BASE; } diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c new file mode 100644 index 0000000..37029ba --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c @@ -0,0 +1,92 @@ +/* + * Copyright 2016-2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "kfd_priv.h" +#include "kfd_events.h" +#include "soc15_int.h" + + +static bool event_interrupt_isr_v9(struct kfd_dev *dev, + const uint32_t *ih_ring_entry) +{ + uint16_t source_id, client_id, pasid, vmid; + const uint32_t *data = ih_ring_entry; + + /* Only handle interrupts from KFD VMIDs */ + vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry); + if (vmid < dev->vm_info.first_vmid_kfd || + vmid > dev->vm_info.last_vmid_kfd) + return 0; + + /* If there is no valid PASID, it's likely a firmware bug */ + pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry); + if (WARN_ONCE(pasid == 0, "FW bug: No PASID in KFD interrupt")) + return 0; + + source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry); + client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry); + + pr_debug("client id 0x%x, source id %d, pasid 0x%x. raw data:\n", + client_id, source_id, pasid); + pr_debug("%8X, %8X, %8X, %8X, %8X, %8X, %8X, %8X.\n", + data[0], data[1], data[2], data[3], + data[4], data[5], data[6], data[7]); + + /* Interrupt types we care about: various signals and faults. + * They will be forwarded to a work queue (see below). + */ + return source_id == SOC15_INTSRC_CP_END_OF_PIPE || + source_id == SOC15_INTSRC_SDMA_TRAP || + source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG || + source_id == SOC15_INTSRC_CP_BAD_OPCODE; +} + +static void event_interrupt_wq_v9(struct kfd_dev *dev, + const uint32_t *ih_ring_entry) +{ + uint16_t source_id, client_id, pasid, vmid; + uint32_t context_id; + + source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry); + client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry); + pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry); + vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry); + context_id = SOC15_CONTEXT_ID0_FROM_IH_ENTRY(ih_ring_entry); + + if (source_id == SOC15_INTSRC_CP_END_OF_PIPE) + kfd_signal_event_interrupt(pasid, context_id, 32); + else if (source_id == SOC15_INTSRC_SDMA_TRAP) + kfd_signal_event_interrupt(pasid, context_id & 0xfffffff, 28); + else if (source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG) + kfd_signal_event_interrupt(pasid, context_id & 0xffffff, 24); + else if (source_id == SOC15_INTSRC_CP_BAD_OPCODE) + kfd_signal_hw_exception_event(pasid); + else if (client_id == SOC15_IH_CLIENTID_VMC || + client_id == SOC15_IH_CLIENTID_UTCL2) { + /* TODO */ + } +} + +const struct kfd_event_interrupt_class event_interrupt_class_v9 = { + .interrupt_isr = event_interrupt_isr_v9, + .interrupt_wq = event_interrupt_wq_v9, +}; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c index 035c351..db6d933 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c @@ -139,10 +139,12 @@ static void interrupt_wq(struct work_struct *work) { struct kfd_dev *dev = container_of(work, struct kfd_dev, interrupt_work); + uint32_t ih_ring_entry[KFD_MAX_RING_ENTRY_SIZE]; - uint32_t ih_ring_entry[DIV_ROUND_UP( - dev->device_info->ih_ring_entry_size, - sizeof(uint32_t))]; + if (dev->device_info->ih_ring_entry_size > sizeof(ih_ring_entry)) { + dev_err_once(kfd_chardev(), "Ring entry too small\n"); + return; + } while (dequeue_ih_ring_entry(dev, ih_ring_entry)) dev->device_info->event_interrupt_class->interrupt_wq(dev, diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c index 69f4964..476951d 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c @@ -99,7 +99,7 @@ static bool initialize(struct kernel_queue *kq, struct kfd_dev *dev, kq->rptr_kernel = kq->rptr_mem->cpu_ptr; kq->rptr_gpu_addr = kq->rptr_mem->gpu_addr; - retval = kfd_gtt_sa_allocate(dev, sizeof(*kq->wptr_kernel), + retval = kfd_gtt_sa_allocate(dev, dev->device_info->doorbell_size, &kq->wptr_mem); if (retval != 0) @@ -208,6 +208,7 @@ static int acquire_packet_buffer(struct kernel_queue *kq, size_t available_size; size_t queue_size_dwords; uint32_t wptr, rptr; + uint64_t wptr64; unsigned int *queue_address; /* When rptr == wptr, the buffer is empty. @@ -216,7 +217,8 @@ static int acquire_packet_buffer(struct kernel_queue *kq, * the opposite. So we can only use up to queue_size_dwords - 1 dwords. */ rptr = *kq->rptr_kernel; - wptr = *kq->wptr_kernel; + wptr = kq->pending_wptr; + wptr64 = kq->pending_wptr64; queue_address = (unsigned int *)kq->pq_kernel_addr; queue_size_dwords = kq->queue->properties.queue_size / 4; @@ -232,29 +234,33 @@ static int acquire_packet_buffer(struct kernel_queue *kq, * make sure calling functions know * acquire_packet_buffer() failed */ - *buffer_ptr = NULL; - return -ENOMEM; + goto err_no_space; } if (wptr + packet_size_in_dwords >= queue_size_dwords) { /* make sure after rolling back to position 0, there is * still enough space. */ - if (packet_size_in_dwords >= rptr) { - *buffer_ptr = NULL; - return -ENOMEM; - } + if (packet_size_in_dwords >= rptr) + goto err_no_space; + /* fill nops, roll back and start at position 0 */ while (wptr > 0) { queue_address[wptr] = kq->nop_packet; wptr = (wptr + 1) % queue_size_dwords; + wptr64++; } } *buffer_ptr = &queue_address[wptr]; kq->pending_wptr = wptr + packet_size_in_dwords; + kq->pending_wptr64 = wptr64 + packet_size_in_dwords; return 0; + +err_no_space: + *buffer_ptr = NULL; + return -ENOMEM; } static void submit_packet(struct kernel_queue *kq) @@ -270,14 +276,18 @@ static void submit_packet(struct kernel_queue *kq) pr_debug("\n"); #endif - *kq->wptr_kernel = kq->pending_wptr; - write_kernel_doorbell(kq->queue->properties.doorbell_ptr, - kq->pending_wptr); + kq->ops_asic_specific.submit_packet(kq); } static void rollback_packet(struct kernel_queue *kq) { - kq->pending_wptr = *kq->queue->properties.write_ptr; + if (kq->dev->device_info->doorbell_size == 8) { + kq->pending_wptr64 = *kq->wptr64_kernel; + kq->pending_wptr = *kq->wptr_kernel % + (kq->queue->properties.queue_size / 4); + } else { + kq->pending_wptr = *kq->wptr_kernel; + } } struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, @@ -308,6 +318,11 @@ struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, case CHIP_HAWAII: kernel_queue_init_cik(&kq->ops_asic_specific); break; + + case CHIP_VEGA10: + case CHIP_RAVEN: + kernel_queue_init_v9(&kq->ops_asic_specific); + break; default: WARN(1, "Unexpected ASIC family %u", dev->device_info->asic_family); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h index 5940531..97aff20 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h @@ -72,6 +72,7 @@ struct kernel_queue { struct kfd_dev *dev; struct mqd_manager *mqd; struct queue *queue; + uint64_t pending_wptr64; uint32_t pending_wptr; unsigned int nop_packet; @@ -79,7 +80,10 @@ struct kernel_queue { uint32_t *rptr_kernel; uint64_t rptr_gpu_addr; struct kfd_mem_obj *wptr_mem; - uint32_t *wptr_kernel; + union { + uint64_t *wptr64_kernel; + uint32_t *wptr_kernel; + }; uint64_t wptr_gpu_addr; struct kfd_mem_obj *pq; uint64_t pq_gpu_addr; @@ -97,5 +101,6 @@ struct kernel_queue { void kernel_queue_init_cik(struct kernel_queue_ops *ops); void kernel_queue_init_vi(struct kernel_queue_ops *ops); +void kernel_queue_init_v9(struct kernel_queue_ops *ops); #endif /* KFD_KERNEL_QUEUE_H_ */ diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_cik.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_cik.c index a90eb44..19e54ac 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_cik.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_cik.c @@ -26,11 +26,13 @@ static bool initialize_cik(struct kernel_queue *kq, struct kfd_dev *dev, enum kfd_queue_type type, unsigned int queue_size); static void uninitialize_cik(struct kernel_queue *kq); +static void submit_packet_cik(struct kernel_queue *kq); void kernel_queue_init_cik(struct kernel_queue_ops *ops) { ops->initialize = initialize_cik; ops->uninitialize = uninitialize_cik; + ops->submit_packet = submit_packet_cik; } static bool initialize_cik(struct kernel_queue *kq, struct kfd_dev *dev, @@ -42,3 +44,10 @@ static bool initialize_cik(struct kernel_queue *kq, struct kfd_dev *dev, static void uninitialize_cik(struct kernel_queue *kq) { } + +static void submit_packet_cik(struct kernel_queue *kq) +{ + *kq->wptr_kernel = kq->pending_wptr; + write_kernel_doorbell(kq->queue->properties.doorbell_ptr, + kq->pending_wptr); +} diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_v9.c new file mode 100644 index 0000000..684a3bf --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_v9.c @@ -0,0 +1,340 @@ +/* + * Copyright 2016-2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "kfd_kernel_queue.h" +#include "kfd_device_queue_manager.h" +#include "kfd_pm4_headers_ai.h" +#include "kfd_pm4_opcodes.h" + +static bool initialize_v9(struct kernel_queue *kq, struct kfd_dev *dev, + enum kfd_queue_type type, unsigned int queue_size); +static void uninitialize_v9(struct kernel_queue *kq); +static void submit_packet_v9(struct kernel_queue *kq); + +void kernel_queue_init_v9(struct kernel_queue_ops *ops) +{ + ops->initialize = initialize_v9; + ops->uninitialize = uninitialize_v9; + ops->submit_packet = submit_packet_v9; +} + +static bool initialize_v9(struct kernel_queue *kq, struct kfd_dev *dev, + enum kfd_queue_type type, unsigned int queue_size) +{ + int retval; + + retval = kfd_gtt_sa_allocate(dev, PAGE_SIZE, &kq->eop_mem); + if (retval) + return false; + + kq->eop_gpu_addr = kq->eop_mem->gpu_addr; + kq->eop_kernel_addr = kq->eop_mem->cpu_ptr; + + memset(kq->eop_kernel_addr, 0, PAGE_SIZE); + + return true; +} + +static void uninitialize_v9(struct kernel_queue *kq) +{ + kfd_gtt_sa_free(kq->dev, kq->eop_mem); +} + +static void submit_packet_v9(struct kernel_queue *kq) +{ + *kq->wptr64_kernel = kq->pending_wptr64; + write_kernel_doorbell64(kq->queue->properties.doorbell_ptr, + kq->pending_wptr64); +} + +static int pm_map_process_v9(struct packet_manager *pm, + uint32_t *buffer, struct qcm_process_device *qpd) +{ + struct pm4_mes_map_process *packet; + uint64_t vm_page_table_base_addr = + (uint64_t)(qpd->page_table_base) << 12; + + packet = (struct pm4_mes_map_process *)buffer; + memset(buffer, 0, sizeof(struct pm4_mes_map_process)); + + packet->header.u32All = pm_build_pm4_header(IT_MAP_PROCESS, + sizeof(struct pm4_mes_map_process)); + packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0; + packet->bitfields2.process_quantum = 1; + packet->bitfields2.pasid = qpd->pqm->process->pasid; + packet->bitfields14.gds_size = qpd->gds_size; + packet->bitfields14.num_gws = qpd->num_gws; + packet->bitfields14.num_oac = qpd->num_oac; + packet->bitfields14.sdma_enable = 1; + packet->bitfields14.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count; + + packet->sh_mem_config = qpd->sh_mem_config; + packet->sh_mem_bases = qpd->sh_mem_bases; + packet->sq_shader_tba_lo = lower_32_bits(qpd->tba_addr >> 8); + packet->sq_shader_tba_hi = upper_32_bits(qpd->tba_addr >> 8); + packet->sq_shader_tma_lo = lower_32_bits(qpd->tma_addr >> 8); + packet->sq_shader_tma_hi = upper_32_bits(qpd->tma_addr >> 8); + + packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area); + packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area); + + packet->vm_context_page_table_base_addr_lo32 = + lower_32_bits(vm_page_table_base_addr); + packet->vm_context_page_table_base_addr_hi32 = + upper_32_bits(vm_page_table_base_addr); + + return 0; +} + +static int pm_runlist_v9(struct packet_manager *pm, uint32_t *buffer, + uint64_t ib, size_t ib_size_in_dwords, bool chain) +{ + struct pm4_mes_runlist *packet; + + int concurrent_proc_cnt = 0; + struct kfd_dev *kfd = pm->dqm->dev; + + /* Determine the number of processes to map together to HW: + * it can not exceed the number of VMIDs available to the + * scheduler, and it is determined by the smaller of the number + * of processes in the runlist and kfd module parameter + * hws_max_conc_proc. + * Note: the arbitration between the number of VMIDs and + * hws_max_conc_proc has been done in + * kgd2kfd_device_init(). + */ + concurrent_proc_cnt = min(pm->dqm->processes_count, + kfd->max_proc_per_quantum); + + packet = (struct pm4_mes_runlist *)buffer; + + memset(buffer, 0, sizeof(struct pm4_mes_runlist)); + packet->header.u32All = pm_build_pm4_header(IT_RUN_LIST, + sizeof(struct pm4_mes_runlist)); + + packet->bitfields4.ib_size = ib_size_in_dwords; + packet->bitfields4.chain = chain ? 1 : 0; + packet->bitfields4.offload_polling = 0; + packet->bitfields4.valid = 1; + packet->bitfields4.process_cnt = concurrent_proc_cnt; + packet->ordinal2 = lower_32_bits(ib); + packet->ib_base_hi = upper_32_bits(ib); + + return 0; +} + +static int pm_map_queues_v9(struct packet_manager *pm, uint32_t *buffer, + struct queue *q, bool is_static) +{ + struct pm4_mes_map_queues *packet; + bool use_static = is_static; + + packet = (struct pm4_mes_map_queues *)buffer; + memset(buffer, 0, sizeof(struct pm4_mes_map_queues)); + + packet->header.u32All = pm_build_pm4_header(IT_MAP_QUEUES, + sizeof(struct pm4_mes_map_queues)); + packet->bitfields2.alloc_format = + alloc_format__mes_map_queues__one_per_pipe_vi; + packet->bitfields2.num_queues = 1; + packet->bitfields2.queue_sel = + queue_sel__mes_map_queues__map_to_hws_determined_queue_slots_vi; + + packet->bitfields2.engine_sel = + engine_sel__mes_map_queues__compute_vi; + packet->bitfields2.queue_type = + queue_type__mes_map_queues__normal_compute_vi; + + switch (q->properties.type) { + case KFD_QUEUE_TYPE_COMPUTE: + if (use_static) + packet->bitfields2.queue_type = + queue_type__mes_map_queues__normal_latency_static_queue_vi; + break; + case KFD_QUEUE_TYPE_DIQ: + packet->bitfields2.queue_type = + queue_type__mes_map_queues__debug_interface_queue_vi; + break; + case KFD_QUEUE_TYPE_SDMA: + packet->bitfields2.engine_sel = q->properties.sdma_engine_id + + engine_sel__mes_map_queues__sdma0_vi; + use_static = false; /* no static queues under SDMA */ + break; + default: + WARN(1, "queue type %d", q->properties.type); + return -EINVAL; + } + packet->bitfields3.doorbell_offset = + q->properties.doorbell_off; + + packet->mqd_addr_lo = + lower_32_bits(q->gart_mqd_addr); + + packet->mqd_addr_hi = + upper_32_bits(q->gart_mqd_addr); + + packet->wptr_addr_lo = + lower_32_bits((uint64_t)q->properties.write_ptr); + + packet->wptr_addr_hi = + upper_32_bits((uint64_t)q->properties.write_ptr); + + return 0; +} + +static int pm_unmap_queues_v9(struct packet_manager *pm, uint32_t *buffer, + enum kfd_queue_type type, + enum kfd_unmap_queues_filter filter, + uint32_t filter_param, bool reset, + unsigned int sdma_engine) +{ + struct pm4_mes_unmap_queues *packet; + + packet = (struct pm4_mes_unmap_queues *)buffer; + memset(buffer, 0, sizeof(struct pm4_mes_unmap_queues)); + + packet->header.u32All = pm_build_pm4_header(IT_UNMAP_QUEUES, + sizeof(struct pm4_mes_unmap_queues)); + switch (type) { + case KFD_QUEUE_TYPE_COMPUTE: + case KFD_QUEUE_TYPE_DIQ: + packet->bitfields2.engine_sel = + engine_sel__mes_unmap_queues__compute; + break; + case KFD_QUEUE_TYPE_SDMA: + packet->bitfields2.engine_sel = + engine_sel__mes_unmap_queues__sdma0 + sdma_engine; + break; + default: + WARN(1, "queue type %d", type); + return -EINVAL; + } + + if (reset) + packet->bitfields2.action = + action__mes_unmap_queues__reset_queues; + else + packet->bitfields2.action = + action__mes_unmap_queues__preempt_queues; + + switch (filter) { + case KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: + packet->bitfields2.queue_sel = + queue_sel__mes_unmap_queues__perform_request_on_specified_queues; + packet->bitfields2.num_queues = 1; + packet->bitfields3b.doorbell_offset0 = filter_param; + break; + case KFD_UNMAP_QUEUES_FILTER_BY_PASID: + packet->bitfields2.queue_sel = + queue_sel__mes_unmap_queues__perform_request_on_pasid_queues; + packet->bitfields3a.pasid = filter_param; + break; + case KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: + packet->bitfields2.queue_sel = + queue_sel__mes_unmap_queues__unmap_all_queues; + break; + case KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES: + /* in this case, we do not preempt static queues */ + packet->bitfields2.queue_sel = + queue_sel__mes_unmap_queues__unmap_all_non_static_queues; + break; + default: + WARN(1, "filter %d", filter); + return -EINVAL; + } + + return 0; + +} + +static int pm_query_status_v9(struct packet_manager *pm, uint32_t *buffer, + uint64_t fence_address, uint32_t fence_value) +{ + struct pm4_mes_query_status *packet; + + packet = (struct pm4_mes_query_status *)buffer; + memset(buffer, 0, sizeof(struct pm4_mes_query_status)); + + + packet->header.u32All = pm_build_pm4_header(IT_QUERY_STATUS, + sizeof(struct pm4_mes_query_status)); + + packet->bitfields2.context_id = 0; + packet->bitfields2.interrupt_sel = + interrupt_sel__mes_query_status__completion_status; + packet->bitfields2.command = + command__mes_query_status__fence_only_after_write_ack; + + packet->addr_hi = upper_32_bits((uint64_t)fence_address); + packet->addr_lo = lower_32_bits((uint64_t)fence_address); + packet->data_hi = upper_32_bits((uint64_t)fence_value); + packet->data_lo = lower_32_bits((uint64_t)fence_value); + + return 0; +} + + +static int pm_release_mem_v9(uint64_t gpu_addr, uint32_t *buffer) +{ + struct pm4_mec_release_mem *packet; + + packet = (struct pm4_mec_release_mem *)buffer; + memset(buffer, 0, sizeof(struct pm4_mec_release_mem)); + + packet->header.u32All = pm_build_pm4_header(IT_RELEASE_MEM, + sizeof(struct pm4_mec_release_mem)); + + packet->bitfields2.event_type = CACHE_FLUSH_AND_INV_TS_EVENT; + packet->bitfields2.event_index = event_index__mec_release_mem__end_of_pipe; + packet->bitfields2.tcl1_action_ena = 1; + packet->bitfields2.tc_action_ena = 1; + packet->bitfields2.cache_policy = cache_policy__mec_release_mem__lru; + + packet->bitfields3.data_sel = data_sel__mec_release_mem__send_32_bit_low; + packet->bitfields3.int_sel = + int_sel__mec_release_mem__send_interrupt_after_write_confirm; + + packet->bitfields4.address_lo_32b = (gpu_addr & 0xffffffff) >> 2; + packet->address_hi = upper_32_bits(gpu_addr); + + packet->data_lo = 0; + + return 0; +} + +const struct packet_manager_funcs kfd_v9_pm_funcs = { + .map_process = pm_map_process_v9, + .runlist = pm_runlist_v9, + .set_resources = pm_set_resources_vi, + .map_queues = pm_map_queues_v9, + .unmap_queues = pm_unmap_queues_v9, + .query_status = pm_query_status_v9, + .release_mem = pm_release_mem_v9, + .map_process_size = sizeof(struct pm4_mes_map_process), + .runlist_size = sizeof(struct pm4_mes_runlist), + .set_resources_size = sizeof(struct pm4_mes_set_resources), + .map_queues_size = sizeof(struct pm4_mes_map_queues), + .unmap_queues_size = sizeof(struct pm4_mes_unmap_queues), + .query_status_size = sizeof(struct pm4_mes_query_status), + .release_mem_size = sizeof(struct pm4_mec_release_mem) +}; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_vi.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_vi.c index f1d4828..bf20c6d 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_vi.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_vi.c @@ -22,15 +22,20 @@ */ #include "kfd_kernel_queue.h" +#include "kfd_device_queue_manager.h" +#include "kfd_pm4_headers_vi.h" +#include "kfd_pm4_opcodes.h" static bool initialize_vi(struct kernel_queue *kq, struct kfd_dev *dev, enum kfd_queue_type type, unsigned int queue_size); static void uninitialize_vi(struct kernel_queue *kq); +static void submit_packet_vi(struct kernel_queue *kq); void kernel_queue_init_vi(struct kernel_queue_ops *ops) { ops->initialize = initialize_vi; ops->uninitialize = uninitialize_vi; + ops->submit_packet = submit_packet_vi; } static bool initialize_vi(struct kernel_queue *kq, struct kfd_dev *dev, @@ -54,3 +59,317 @@ static void uninitialize_vi(struct kernel_queue *kq) { kfd_gtt_sa_free(kq->dev, kq->eop_mem); } + +static void submit_packet_vi(struct kernel_queue *kq) +{ + *kq->wptr_kernel = kq->pending_wptr; + write_kernel_doorbell(kq->queue->properties.doorbell_ptr, + kq->pending_wptr); +} + +unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size) +{ + union PM4_MES_TYPE_3_HEADER header; + + header.u32All = 0; + header.opcode = opcode; + header.count = packet_size / 4 - 2; + header.type = PM4_TYPE_3; + + return header.u32All; +} + +static int pm_map_process_vi(struct packet_manager *pm, uint32_t *buffer, + struct qcm_process_device *qpd) +{ + struct pm4_mes_map_process *packet; + + packet = (struct pm4_mes_map_process *)buffer; + + memset(buffer, 0, sizeof(struct pm4_mes_map_process)); + + packet->header.u32All = pm_build_pm4_header(IT_MAP_PROCESS, + sizeof(struct pm4_mes_map_process)); + packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0; + packet->bitfields2.process_quantum = 1; + packet->bitfields2.pasid = qpd->pqm->process->pasid; + packet->bitfields3.page_table_base = qpd->page_table_base; + packet->bitfields10.gds_size = qpd->gds_size; + packet->bitfields10.num_gws = qpd->num_gws; + packet->bitfields10.num_oac = qpd->num_oac; + packet->bitfields10.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count; + + packet->sh_mem_config = qpd->sh_mem_config; + packet->sh_mem_bases = qpd->sh_mem_bases; + packet->sh_mem_ape1_base = qpd->sh_mem_ape1_base; + packet->sh_mem_ape1_limit = qpd->sh_mem_ape1_limit; + + packet->sh_hidden_private_base_vmid = qpd->sh_hidden_private_base; + + packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area); + packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area); + + return 0; +} + +static int pm_runlist_vi(struct packet_manager *pm, uint32_t *buffer, + uint64_t ib, size_t ib_size_in_dwords, bool chain) +{ + struct pm4_mes_runlist *packet; + int concurrent_proc_cnt = 0; + struct kfd_dev *kfd = pm->dqm->dev; + + if (WARN_ON(!ib)) + return -EFAULT; + + /* Determine the number of processes to map together to HW: + * it can not exceed the number of VMIDs available to the + * scheduler, and it is determined by the smaller of the number + * of processes in the runlist and kfd module parameter + * hws_max_conc_proc. + * Note: the arbitration between the number of VMIDs and + * hws_max_conc_proc has been done in + * kgd2kfd_device_init(). + */ + concurrent_proc_cnt = min(pm->dqm->processes_count, + kfd->max_proc_per_quantum); + + packet = (struct pm4_mes_runlist *)buffer; + + memset(buffer, 0, sizeof(struct pm4_mes_runlist)); + packet->header.u32All = pm_build_pm4_header(IT_RUN_LIST, + sizeof(struct pm4_mes_runlist)); + + packet->bitfields4.ib_size = ib_size_in_dwords; + packet->bitfields4.chain = chain ? 1 : 0; + packet->bitfields4.offload_polling = 0; + packet->bitfields4.valid = 1; + packet->bitfields4.process_cnt = concurrent_proc_cnt; + packet->ordinal2 = lower_32_bits(ib); + packet->bitfields3.ib_base_hi = upper_32_bits(ib); + + return 0; +} + +int pm_set_resources_vi(struct packet_manager *pm, uint32_t *buffer, + struct scheduling_resources *res) +{ + struct pm4_mes_set_resources *packet; + + packet = (struct pm4_mes_set_resources *)buffer; + memset(buffer, 0, sizeof(struct pm4_mes_set_resources)); + + packet->header.u32All = pm_build_pm4_header(IT_SET_RESOURCES, + sizeof(struct pm4_mes_set_resources)); + + packet->bitfields2.queue_type = + queue_type__mes_set_resources__hsa_interface_queue_hiq; + packet->bitfields2.vmid_mask = res->vmid_mask; + packet->bitfields2.unmap_latency = KFD_UNMAP_LATENCY_MS / 100; + packet->bitfields7.oac_mask = res->oac_mask; + packet->bitfields8.gds_heap_base = res->gds_heap_base; + packet->bitfields8.gds_heap_size = res->gds_heap_size; + + packet->gws_mask_lo = lower_32_bits(res->gws_mask); + packet->gws_mask_hi = upper_32_bits(res->gws_mask); + + packet->queue_mask_lo = lower_32_bits(res->queue_mask); + packet->queue_mask_hi = upper_32_bits(res->queue_mask); + + return 0; +} + +static int pm_map_queues_vi(struct packet_manager *pm, uint32_t *buffer, + struct queue *q, bool is_static) +{ + struct pm4_mes_map_queues *packet; + bool use_static = is_static; + + packet = (struct pm4_mes_map_queues *)buffer; + memset(buffer, 0, sizeof(struct pm4_mes_map_queues)); + + packet->header.u32All = pm_build_pm4_header(IT_MAP_QUEUES, + sizeof(struct pm4_mes_map_queues)); + packet->bitfields2.alloc_format = + alloc_format__mes_map_queues__one_per_pipe_vi; + packet->bitfields2.num_queues = 1; + packet->bitfields2.queue_sel = + queue_sel__mes_map_queues__map_to_hws_determined_queue_slots_vi; + + packet->bitfields2.engine_sel = + engine_sel__mes_map_queues__compute_vi; + packet->bitfields2.queue_type = + queue_type__mes_map_queues__normal_compute_vi; + + switch (q->properties.type) { + case KFD_QUEUE_TYPE_COMPUTE: + if (use_static) + packet->bitfields2.queue_type = + queue_type__mes_map_queues__normal_latency_static_queue_vi; + break; + case KFD_QUEUE_TYPE_DIQ: + packet->bitfields2.queue_type = + queue_type__mes_map_queues__debug_interface_queue_vi; + break; + case KFD_QUEUE_TYPE_SDMA: + packet->bitfields2.engine_sel = q->properties.sdma_engine_id + + engine_sel__mes_map_queues__sdma0_vi; + use_static = false; /* no static queues under SDMA */ + break; + default: + WARN(1, "queue type %d", q->properties.type); + return -EINVAL; + } + packet->bitfields3.doorbell_offset = + q->properties.doorbell_off; + + packet->mqd_addr_lo = + lower_32_bits(q->gart_mqd_addr); + + packet->mqd_addr_hi = + upper_32_bits(q->gart_mqd_addr); + + packet->wptr_addr_lo = + lower_32_bits((uint64_t)q->properties.write_ptr); + + packet->wptr_addr_hi = + upper_32_bits((uint64_t)q->properties.write_ptr); + + return 0; +} + +static int pm_unmap_queues_vi(struct packet_manager *pm, uint32_t *buffer, + enum kfd_queue_type type, + enum kfd_unmap_queues_filter filter, + uint32_t filter_param, bool reset, + unsigned int sdma_engine) +{ + struct pm4_mes_unmap_queues *packet; + + packet = (struct pm4_mes_unmap_queues *)buffer; + memset(buffer, 0, sizeof(struct pm4_mes_unmap_queues)); + + packet->header.u32All = pm_build_pm4_header(IT_UNMAP_QUEUES, + sizeof(struct pm4_mes_unmap_queues)); + switch (type) { + case KFD_QUEUE_TYPE_COMPUTE: + case KFD_QUEUE_TYPE_DIQ: + packet->bitfields2.engine_sel = + engine_sel__mes_unmap_queues__compute; + break; + case KFD_QUEUE_TYPE_SDMA: + packet->bitfields2.engine_sel = + engine_sel__mes_unmap_queues__sdma0 + sdma_engine; + break; + default: + WARN(1, "queue type %d", type); + return -EINVAL; + } + + if (reset) + packet->bitfields2.action = + action__mes_unmap_queues__reset_queues; + else + packet->bitfields2.action = + action__mes_unmap_queues__preempt_queues; + + switch (filter) { + case KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: + packet->bitfields2.queue_sel = + queue_sel__mes_unmap_queues__perform_request_on_specified_queues; + packet->bitfields2.num_queues = 1; + packet->bitfields3b.doorbell_offset0 = filter_param; + break; + case KFD_UNMAP_QUEUES_FILTER_BY_PASID: + packet->bitfields2.queue_sel = + queue_sel__mes_unmap_queues__perform_request_on_pasid_queues; + packet->bitfields3a.pasid = filter_param; + break; + case KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: + packet->bitfields2.queue_sel = + queue_sel__mes_unmap_queues__unmap_all_queues; + break; + case KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES: + /* in this case, we do not preempt static queues */ + packet->bitfields2.queue_sel = + queue_sel__mes_unmap_queues__unmap_all_non_static_queues; + break; + default: + WARN(1, "filter %d", filter); + return -EINVAL; + } + + return 0; + +} + +static int pm_query_status_vi(struct packet_manager *pm, uint32_t *buffer, + uint64_t fence_address, uint32_t fence_value) +{ + struct pm4_mes_query_status *packet; + + packet = (struct pm4_mes_query_status *)buffer; + memset(buffer, 0, sizeof(struct pm4_mes_query_status)); + + packet->header.u32All = pm_build_pm4_header(IT_QUERY_STATUS, + sizeof(struct pm4_mes_query_status)); + + packet->bitfields2.context_id = 0; + packet->bitfields2.interrupt_sel = + interrupt_sel__mes_query_status__completion_status; + packet->bitfields2.command = + command__mes_query_status__fence_only_after_write_ack; + + packet->addr_hi = upper_32_bits((uint64_t)fence_address); + packet->addr_lo = lower_32_bits((uint64_t)fence_address); + packet->data_hi = upper_32_bits((uint64_t)fence_value); + packet->data_lo = lower_32_bits((uint64_t)fence_value); + + return 0; +} + +static int pm_release_mem_vi(uint64_t gpu_addr, uint32_t *buffer) +{ + struct pm4_mec_release_mem *packet; + + packet = (struct pm4_mec_release_mem *)buffer; + memset(buffer, 0, sizeof(*packet)); + + packet->header.u32All = pm_build_pm4_header(IT_RELEASE_MEM, + sizeof(*packet)); + + packet->bitfields2.event_type = CACHE_FLUSH_AND_INV_TS_EVENT; + packet->bitfields2.event_index = event_index___release_mem__end_of_pipe; + packet->bitfields2.tcl1_action_ena = 1; + packet->bitfields2.tc_action_ena = 1; + packet->bitfields2.cache_policy = cache_policy___release_mem__lru; + packet->bitfields2.atc = 0; + + packet->bitfields3.data_sel = data_sel___release_mem__send_32_bit_low; + packet->bitfields3.int_sel = + int_sel___release_mem__send_interrupt_after_write_confirm; + + packet->bitfields4.address_lo_32b = (gpu_addr & 0xffffffff) >> 2; + packet->address_hi = upper_32_bits(gpu_addr); + + packet->data_lo = 0; + + return 0; +} + +const struct packet_manager_funcs kfd_vi_pm_funcs = { + .map_process = pm_map_process_vi, + .runlist = pm_runlist_vi, + .set_resources = pm_set_resources_vi, + .map_queues = pm_map_queues_vi, + .unmap_queues = pm_unmap_queues_vi, + .query_status = pm_query_status_vi, + .release_mem = pm_release_mem_vi, + .map_process_size = sizeof(struct pm4_mes_map_process), + .runlist_size = sizeof(struct pm4_mes_runlist), + .set_resources_size = sizeof(struct pm4_mes_set_resources), + .map_queues_size = sizeof(struct pm4_mes_map_queues), + .unmap_queues_size = sizeof(struct pm4_mes_unmap_queues), + .query_status_size = sizeof(struct pm4_mes_query_status), + .release_mem_size = sizeof(struct pm4_mec_release_mem) +}; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_module.c b/drivers/gpu/drm/amd/amdkfd/kfd_module.c index e0c07d2..76bf2dc 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_module.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_module.c @@ -43,6 +43,8 @@ static const struct kgd2kfd_calls kgd2kfd = { .interrupt = kgd2kfd_interrupt, .suspend = kgd2kfd_suspend, .resume = kgd2kfd_resume, + .quiesce_mm = kgd2kfd_quiesce_mm, + .resume_mm = kgd2kfd_resume_mm, .schedule_evict_and_restore_process = kgd2kfd_schedule_evict_and_restore_process, }; @@ -81,6 +83,11 @@ module_param(ignore_crat, int, 0444); MODULE_PARM_DESC(ignore_crat, "Ignore CRAT table during KFD initialization (0 = use CRAT (default), 1 = ignore CRAT)"); +int vega10_noretry; +module_param_named(noretry, vega10_noretry, int, 0644); +MODULE_PARM_DESC(noretry, + "Set sh_mem_config.retry_disable on Vega10 (0 = retry enabled (default), 1 = retry disabled)"); + static int amdkfd_init_completed; int kgd2kfd_init(unsigned int interface_version, diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c index ee7061e..4b8eb50 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c @@ -38,6 +38,9 @@ struct mqd_manager *mqd_manager_init(enum KFD_MQD_TYPE type, case CHIP_POLARIS10: case CHIP_POLARIS11: return mqd_manager_init_vi_tonga(type, dev); + case CHIP_VEGA10: + case CHIP_RAVEN: + return mqd_manager_init_v9(type, dev); default: WARN(1, "Unexpected ASIC family %u", dev->device_info->asic_family); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c index c00c325..06eaa21 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c @@ -79,10 +79,6 @@ static int init_mqd(struct mqd_manager *mm, void **mqd, m->cp_mqd_base_addr_lo = lower_32_bits(addr); m->cp_mqd_base_addr_hi = upper_32_bits(addr); - m->cp_hqd_ib_control = DEFAULT_MIN_IB_AVAIL_SIZE | IB_ATC_EN; - /* Although WinKFD writes this, I suspect it should not be necessary */ - m->cp_hqd_ib_control = IB_ATC_EN | DEFAULT_MIN_IB_AVAIL_SIZE; - m->cp_hqd_quantum = QUANTUM_EN | QUANTUM_SCALE_1MS | QUANTUM_DURATION(10); @@ -412,7 +408,7 @@ struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, if (WARN_ON(type >= KFD_MQD_TYPE_MAX)) return NULL; - mqd = kzalloc(sizeof(*mqd), GFP_KERNEL); + mqd = kzalloc(sizeof(*mqd), GFP_NOIO); if (!mqd) return NULL; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c new file mode 100644 index 0000000..684054f --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c @@ -0,0 +1,443 @@ +/* + * Copyright 2016-2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include <linux/printk.h> +#include <linux/slab.h> +#include <linux/uaccess.h> +#include "kfd_priv.h" +#include "kfd_mqd_manager.h" +#include "v9_structs.h" +#include "gc/gc_9_0_offset.h" +#include "gc/gc_9_0_sh_mask.h" +#include "sdma0/sdma0_4_0_sh_mask.h" + +static inline struct v9_mqd *get_mqd(void *mqd) +{ + return (struct v9_mqd *)mqd; +} + +static inline struct v9_sdma_mqd *get_sdma_mqd(void *mqd) +{ + return (struct v9_sdma_mqd *)mqd; +} + +static int init_mqd(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *q) +{ + int retval; + uint64_t addr; + struct v9_mqd *m; + struct kfd_dev *kfd = mm->dev; + + /* From V9, for CWSR, the control stack is located on the next page + * boundary after the mqd, we will use the gtt allocation function + * instead of sub-allocation function. + */ + if (kfd->cwsr_enabled && (q->type == KFD_QUEUE_TYPE_COMPUTE)) { + *mqd_mem_obj = kzalloc(sizeof(struct kfd_mem_obj), GFP_NOIO); + if (!*mqd_mem_obj) + return -ENOMEM; + retval = kfd->kfd2kgd->init_gtt_mem_allocation(kfd->kgd, + ALIGN(q->ctl_stack_size, PAGE_SIZE) + + ALIGN(sizeof(struct v9_mqd), PAGE_SIZE), + &((*mqd_mem_obj)->gtt_mem), + &((*mqd_mem_obj)->gpu_addr), + (void *)&((*mqd_mem_obj)->cpu_ptr)); + } else + retval = kfd_gtt_sa_allocate(mm->dev, sizeof(struct v9_mqd), + mqd_mem_obj); + if (retval != 0) + return -ENOMEM; + + m = (struct v9_mqd *) (*mqd_mem_obj)->cpu_ptr; + addr = (*mqd_mem_obj)->gpu_addr; + + memset(m, 0, sizeof(struct v9_mqd)); + + m->header = 0xC0310800; + m->compute_pipelinestat_enable = 1; + m->compute_static_thread_mgmt_se0 = 0xFFFFFFFF; + m->compute_static_thread_mgmt_se1 = 0xFFFFFFFF; + m->compute_static_thread_mgmt_se2 = 0xFFFFFFFF; + m->compute_static_thread_mgmt_se3 = 0xFFFFFFFF; + + m->cp_hqd_persistent_state = CP_HQD_PERSISTENT_STATE__PRELOAD_REQ_MASK | + 0x53 << CP_HQD_PERSISTENT_STATE__PRELOAD_SIZE__SHIFT; + + m->cp_mqd_control = 1 << CP_MQD_CONTROL__PRIV_STATE__SHIFT; + + m->cp_mqd_base_addr_lo = lower_32_bits(addr); + m->cp_mqd_base_addr_hi = upper_32_bits(addr); + + m->cp_hqd_quantum = 1 << CP_HQD_QUANTUM__QUANTUM_EN__SHIFT | + 1 << CP_HQD_QUANTUM__QUANTUM_SCALE__SHIFT | + 10 << CP_HQD_QUANTUM__QUANTUM_DURATION__SHIFT; + + m->cp_hqd_pipe_priority = 1; + m->cp_hqd_queue_priority = 15; + + if (q->format == KFD_QUEUE_FORMAT_AQL) { + m->cp_hqd_aql_control = + 1 << CP_HQD_AQL_CONTROL__CONTROL0__SHIFT; + } + + if (q->tba_addr) { + m->compute_pgm_rsrc2 |= + (1 << COMPUTE_PGM_RSRC2__TRAP_PRESENT__SHIFT); + } + + if (mm->dev->cwsr_enabled && q->ctx_save_restore_area_address) { + m->cp_hqd_persistent_state |= + (1 << CP_HQD_PERSISTENT_STATE__QSWITCH_MODE__SHIFT); + m->cp_hqd_ctx_save_base_addr_lo = + lower_32_bits(q->ctx_save_restore_area_address); + m->cp_hqd_ctx_save_base_addr_hi = + upper_32_bits(q->ctx_save_restore_area_address); + m->cp_hqd_ctx_save_size = q->ctx_save_restore_area_size; + m->cp_hqd_cntl_stack_size = q->ctl_stack_size; + m->cp_hqd_cntl_stack_offset = q->ctl_stack_size; + m->cp_hqd_wg_state_offset = q->ctl_stack_size; + } + + *mqd = m; + if (gart_addr) + *gart_addr = addr; + retval = mm->update_mqd(mm, m, q); + + return retval; +} + +static int load_mqd(struct mqd_manager *mm, void *mqd, + uint32_t pipe_id, uint32_t queue_id, + struct queue_properties *p, struct mm_struct *mms) +{ + /* AQL write pointer counts in 64B packets, PM4/CP counts in dwords. */ + uint32_t wptr_shift = (p->format == KFD_QUEUE_FORMAT_AQL ? 4 : 0); + + return mm->dev->kfd2kgd->hqd_load(mm->dev->kgd, mqd, pipe_id, queue_id, + (uint32_t __user *)p->write_ptr, + wptr_shift, 0, mms); +} + +static int update_mqd(struct mqd_manager *mm, void *mqd, + struct queue_properties *q) +{ + struct v9_mqd *m; + + m = get_mqd(mqd); + + m->cp_hqd_pq_control = 5 << CP_HQD_PQ_CONTROL__RPTR_BLOCK_SIZE__SHIFT; + m->cp_hqd_pq_control |= order_base_2(q->queue_size / 4) - 1; + pr_debug("cp_hqd_pq_control 0x%x\n", m->cp_hqd_pq_control); + + m->cp_hqd_pq_base_lo = lower_32_bits((uint64_t)q->queue_address >> 8); + m->cp_hqd_pq_base_hi = upper_32_bits((uint64_t)q->queue_address >> 8); + + m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr); + m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr); + m->cp_hqd_pq_wptr_poll_addr_lo = lower_32_bits((uint64_t)q->write_ptr); + m->cp_hqd_pq_wptr_poll_addr_hi = upper_32_bits((uint64_t)q->write_ptr); + + m->cp_hqd_pq_doorbell_control = + q->doorbell_off << + CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_OFFSET__SHIFT; + pr_debug("cp_hqd_pq_doorbell_control 0x%x\n", + m->cp_hqd_pq_doorbell_control); + + m->cp_hqd_ib_control = + 3 << CP_HQD_IB_CONTROL__MIN_IB_AVAIL_SIZE__SHIFT | + 1 << CP_HQD_IB_CONTROL__IB_EXE_DISABLE__SHIFT; + + /* + * HW does not clamp this field correctly. Maximum EOP queue size + * is constrained by per-SE EOP done signal count, which is 8-bit. + * Limit is 0xFF EOP entries (= 0x7F8 dwords). CP will not submit + * more than (EOP entry count - 1) so a queue size of 0x800 dwords + * is safe, giving a maximum field value of 0xA. + */ + m->cp_hqd_eop_control = min(0xA, + order_base_2(q->eop_ring_buffer_size / 4) - 1); + m->cp_hqd_eop_base_addr_lo = + lower_32_bits(q->eop_ring_buffer_address >> 8); + m->cp_hqd_eop_base_addr_hi = + upper_32_bits(q->eop_ring_buffer_address >> 8); + + m->cp_hqd_iq_timer = 0; + + m->cp_hqd_vmid = q->vmid; + + if (q->format == KFD_QUEUE_FORMAT_AQL) { + m->cp_hqd_pq_control |= CP_HQD_PQ_CONTROL__NO_UPDATE_RPTR_MASK | + 2 << CP_HQD_PQ_CONTROL__SLOT_BASED_WPTR__SHIFT | + 1 << CP_HQD_PQ_CONTROL__QUEUE_FULL_EN__SHIFT | + 1 << CP_HQD_PQ_CONTROL__WPP_CLAMP_EN__SHIFT; + m->cp_hqd_pq_doorbell_control |= 1 << + CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_BIF_DROP__SHIFT; + } + if (mm->dev->cwsr_enabled && q->ctx_save_restore_area_address) + m->cp_hqd_ctx_save_control = 0; + + q->is_active = (q->queue_size > 0 && + q->queue_address != 0 && + q->queue_percent > 0 && + !q->is_evicted); + + return 0; +} + + +static int destroy_mqd(struct mqd_manager *mm, void *mqd, + enum kfd_preempt_type type, + unsigned int timeout, uint32_t pipe_id, + uint32_t queue_id) +{ + return mm->dev->kfd2kgd->hqd_destroy + (mm->dev->kgd, mqd, type, timeout, + pipe_id, queue_id); +} + +static void uninit_mqd(struct mqd_manager *mm, void *mqd, + struct kfd_mem_obj *mqd_mem_obj) +{ + struct kfd_dev *kfd = mm->dev; + + if (mqd_mem_obj->gtt_mem) { + kfd->kfd2kgd->free_gtt_mem(kfd->kgd, mqd_mem_obj->gtt_mem); + kfree(mqd_mem_obj); + } else { + kfd_gtt_sa_free(mm->dev, mqd_mem_obj); + } +} + +static bool is_occupied(struct mqd_manager *mm, void *mqd, + uint64_t queue_address, uint32_t pipe_id, + uint32_t queue_id) +{ + return mm->dev->kfd2kgd->hqd_is_occupied( + mm->dev->kgd, queue_address, + pipe_id, queue_id); +} + +static int init_mqd_hiq(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *q) +{ + struct v9_mqd *m; + int retval = init_mqd(mm, mqd, mqd_mem_obj, gart_addr, q); + + if (retval != 0) + return retval; + + m = get_mqd(*mqd); + + m->cp_hqd_pq_control |= 1 << CP_HQD_PQ_CONTROL__PRIV_STATE__SHIFT | + 1 << CP_HQD_PQ_CONTROL__KMD_QUEUE__SHIFT; + + return retval; +} + +static int update_mqd_hiq(struct mqd_manager *mm, void *mqd, + struct queue_properties *q) +{ + struct v9_mqd *m; + int retval = update_mqd(mm, mqd, q); + + if (retval != 0) + return retval; + + /* TODO: what's the point? update_mqd already does this. */ + m = get_mqd(mqd); + m->cp_hqd_vmid = q->vmid; + return retval; +} + +static int init_mqd_sdma(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *q) +{ + int retval; + struct v9_sdma_mqd *m; + + + retval = kfd_gtt_sa_allocate(mm->dev, + sizeof(struct v9_sdma_mqd), + mqd_mem_obj); + + if (retval != 0) + return -ENOMEM; + + m = (struct v9_sdma_mqd *) (*mqd_mem_obj)->cpu_ptr; + + memset(m, 0, sizeof(struct v9_sdma_mqd)); + + *mqd = m; + if (gart_addr) + *gart_addr = (*mqd_mem_obj)->gpu_addr; + + retval = mm->update_mqd(mm, m, q); + + return retval; +} + +static void uninit_mqd_sdma(struct mqd_manager *mm, void *mqd, + struct kfd_mem_obj *mqd_mem_obj) +{ + kfd_gtt_sa_free(mm->dev, mqd_mem_obj); +} + +static int load_mqd_sdma(struct mqd_manager *mm, void *mqd, + uint32_t pipe_id, uint32_t queue_id, + struct queue_properties *p, struct mm_struct *mms) +{ + return mm->dev->kfd2kgd->hqd_sdma_load(mm->dev->kgd, mqd, + (uint32_t __user *)p->write_ptr, + mms); +} + +#define SDMA_RLC_DUMMY_DEFAULT 0xf + +static int update_mqd_sdma(struct mqd_manager *mm, void *mqd, + struct queue_properties *q) +{ + struct v9_sdma_mqd *m; + + m = get_sdma_mqd(mqd); + m->sdmax_rlcx_rb_cntl = order_base_2(q->queue_size / 4) + << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT | + q->vmid << SDMA0_RLC0_RB_CNTL__RB_VMID__SHIFT | + 1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT | + 6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT; + + m->sdmax_rlcx_rb_base = lower_32_bits(q->queue_address >> 8); + m->sdmax_rlcx_rb_base_hi = upper_32_bits(q->queue_address >> 8); + m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr); + m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr); + m->sdmax_rlcx_doorbell_offset = + q->doorbell_off << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT; + + m->sdma_engine_id = q->sdma_engine_id; + m->sdma_queue_id = q->sdma_queue_id; + m->sdmax_rlcx_dummy_reg = SDMA_RLC_DUMMY_DEFAULT; + + q->is_active = (q->queue_size > 0 && + q->queue_address != 0 && + q->queue_percent > 0 && + !q->is_evicted); + + return 0; +} + +/* + * * preempt type here is ignored because there is only one way + * * to preempt sdma queue + */ +static int destroy_mqd_sdma(struct mqd_manager *mm, void *mqd, + enum kfd_preempt_type type, + unsigned int timeout, uint32_t pipe_id, + uint32_t queue_id) +{ + return mm->dev->kfd2kgd->hqd_sdma_destroy(mm->dev->kgd, mqd, timeout); +} + +static bool is_occupied_sdma(struct mqd_manager *mm, void *mqd, + uint64_t queue_address, uint32_t pipe_id, + uint32_t queue_id) +{ + return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->kgd, mqd); +} + +#if defined(CONFIG_DEBUG_FS) + +static int debugfs_show_mqd(struct seq_file *m, void *data) +{ + seq_hex_dump(m, " ", DUMP_PREFIX_OFFSET, 32, 4, + data, sizeof(struct v9_mqd), false); + return 0; +} + +static int debugfs_show_mqd_sdma(struct seq_file *m, void *data) +{ + seq_hex_dump(m, " ", DUMP_PREFIX_OFFSET, 32, 4, + data, sizeof(struct v9_sdma_mqd), false); + return 0; +} + +#endif + +struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, + struct kfd_dev *dev) +{ + struct mqd_manager *mqd; + + if (WARN_ON(type >= KFD_MQD_TYPE_MAX)) + return NULL; + + mqd = kzalloc(sizeof(*mqd), GFP_NOIO); + if (!mqd) + return NULL; + + mqd->dev = dev; + + switch (type) { + case KFD_MQD_TYPE_CP: + case KFD_MQD_TYPE_COMPUTE: + mqd->init_mqd = init_mqd; + mqd->uninit_mqd = uninit_mqd; + mqd->load_mqd = load_mqd; + mqd->update_mqd = update_mqd; + mqd->destroy_mqd = destroy_mqd; + mqd->is_occupied = is_occupied; +#if defined(CONFIG_DEBUG_FS) + mqd->debugfs_show_mqd = debugfs_show_mqd; +#endif + break; + case KFD_MQD_TYPE_HIQ: + mqd->init_mqd = init_mqd_hiq; + mqd->uninit_mqd = uninit_mqd; + mqd->load_mqd = load_mqd; + mqd->update_mqd = update_mqd_hiq; + mqd->destroy_mqd = destroy_mqd; + mqd->is_occupied = is_occupied; +#if defined(CONFIG_DEBUG_FS) + mqd->debugfs_show_mqd = debugfs_show_mqd; +#endif + break; + case KFD_MQD_TYPE_SDMA: + mqd->init_mqd = init_mqd_sdma; + mqd->uninit_mqd = uninit_mqd_sdma; + mqd->load_mqd = load_mqd_sdma; + mqd->update_mqd = update_mqd_sdma; + mqd->destroy_mqd = destroy_mqd_sdma; + mqd->is_occupied = is_occupied_sdma; +#if defined(CONFIG_DEBUG_FS) + mqd->debugfs_show_mqd = debugfs_show_mqd_sdma; +#endif + break; + default: + kfree(mqd); + return NULL; + } + + return mqd; +} diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c index 89e4242..481307b 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c @@ -394,7 +394,7 @@ struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, if (WARN_ON(type >= KFD_MQD_TYPE_MAX)) return NULL; - mqd = kzalloc(sizeof(*mqd), GFP_KERNEL); + mqd = kzalloc(sizeof(*mqd), GFP_NOIO); if (!mqd) return NULL; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c index 89ba4c6..c317feb4 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c @@ -26,8 +26,6 @@ #include "kfd_device_queue_manager.h" #include "kfd_kernel_queue.h" #include "kfd_priv.h" -#include "kfd_pm4_headers_vi.h" -#include "kfd_pm4_opcodes.h" static inline void inc_wptr(unsigned int *wptr, unsigned int increment_bytes, unsigned int buffer_size_bytes) @@ -39,18 +37,6 @@ static inline void inc_wptr(unsigned int *wptr, unsigned int increment_bytes, *wptr = temp; } -static unsigned int build_pm4_header(unsigned int opcode, size_t packet_size) -{ - union PM4_MES_TYPE_3_HEADER header; - - header.u32All = 0; - header.opcode = opcode; - header.count = packet_size / 4 - 2; - header.type = PM4_TYPE_3; - - return header.u32All; -} - static void pm_calc_rlib_size(struct packet_manager *pm, unsigned int *rlib_size, bool *over_subscription) @@ -80,9 +66,9 @@ static void pm_calc_rlib_size(struct packet_manager *pm, pr_debug("Over subscribed runlist\n"); } - map_queue_size = sizeof(struct pm4_mes_map_queues); + map_queue_size = pm->pmf->map_queues_size; /* calculate run list ib allocation size */ - *rlib_size = process_count * sizeof(struct pm4_mes_map_process) + + *rlib_size = process_count * pm->pmf->map_process_size + queue_count * map_queue_size; /* @@ -90,7 +76,7 @@ static void pm_calc_rlib_size(struct packet_manager *pm, * when over subscription */ if (*over_subscription) - *rlib_size += sizeof(struct pm4_mes_runlist); + *rlib_size += pm->pmf->runlist_size; pr_debug("runlist ib size %d\n", *rlib_size); } @@ -108,12 +94,14 @@ static int pm_allocate_runlist_ib(struct packet_manager *pm, pm_calc_rlib_size(pm, rl_buffer_size, is_over_subscription); + mutex_lock(&pm->lock); + retval = kfd_gtt_sa_allocate(pm->dqm->dev, *rl_buffer_size, &pm->ib_buffer_obj); if (retval) { pr_err("Failed to allocate runlist IB\n"); - return retval; + goto out; } *(void **)rl_buffer = pm->ib_buffer_obj->cpu_ptr; @@ -121,138 +109,10 @@ static int pm_allocate_runlist_ib(struct packet_manager *pm, memset(*rl_buffer, 0, *rl_buffer_size); pm->allocated = true; - return retval; -} - -static int pm_create_runlist(struct packet_manager *pm, uint32_t *buffer, - uint64_t ib, size_t ib_size_in_dwords, bool chain) -{ - struct pm4_mes_runlist *packet; - int concurrent_proc_cnt = 0; - struct kfd_dev *kfd = pm->dqm->dev; - - if (WARN_ON(!ib)) - return -EFAULT; - - /* Determine the number of processes to map together to HW: - * it can not exceed the number of VMIDs available to the - * scheduler, and it is determined by the smaller of the number - * of processes in the runlist and kfd module parameter - * hws_max_conc_proc. - * Note: the arbitration between the number of VMIDs and - * hws_max_conc_proc has been done in - * kgd2kfd_device_init(). - */ - concurrent_proc_cnt = min(pm->dqm->processes_count, - kfd->max_proc_per_quantum); - - packet = (struct pm4_mes_runlist *)buffer; - - memset(buffer, 0, sizeof(struct pm4_mes_runlist)); - packet->header.u32All = build_pm4_header(IT_RUN_LIST, - sizeof(struct pm4_mes_runlist)); - - packet->bitfields4.ib_size = ib_size_in_dwords; - packet->bitfields4.chain = chain ? 1 : 0; - packet->bitfields4.offload_polling = 0; - packet->bitfields4.valid = 1; - packet->bitfields4.process_cnt = concurrent_proc_cnt; - packet->ordinal2 = lower_32_bits(ib); - packet->bitfields3.ib_base_hi = upper_32_bits(ib); - - return 0; -} - -static int pm_create_map_process(struct packet_manager *pm, uint32_t *buffer, - struct qcm_process_device *qpd) -{ - struct pm4_mes_map_process *packet; - - packet = (struct pm4_mes_map_process *)buffer; - memset(buffer, 0, sizeof(struct pm4_mes_map_process)); - - packet->header.u32All = build_pm4_header(IT_MAP_PROCESS, - sizeof(struct pm4_mes_map_process)); - packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0; - packet->bitfields2.process_quantum = 1; - packet->bitfields2.pasid = qpd->pqm->process->pasid; - packet->bitfields3.page_table_base = qpd->page_table_base; - packet->bitfields10.gds_size = qpd->gds_size; - packet->bitfields10.num_gws = qpd->num_gws; - packet->bitfields10.num_oac = qpd->num_oac; - packet->bitfields10.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count; - - packet->sh_mem_config = qpd->sh_mem_config; - packet->sh_mem_bases = qpd->sh_mem_bases; - packet->sh_mem_ape1_base = qpd->sh_mem_ape1_base; - packet->sh_mem_ape1_limit = qpd->sh_mem_ape1_limit; - - packet->sh_hidden_private_base_vmid = qpd->sh_hidden_private_base; - - packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area); - packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area); - - return 0; -} - -static int pm_create_map_queue(struct packet_manager *pm, uint32_t *buffer, - struct queue *q, bool is_static) -{ - struct pm4_mes_map_queues *packet; - bool use_static = is_static; - - packet = (struct pm4_mes_map_queues *)buffer; - memset(buffer, 0, sizeof(struct pm4_mes_map_queues)); - - packet->header.u32All = build_pm4_header(IT_MAP_QUEUES, - sizeof(struct pm4_mes_map_queues)); - packet->bitfields2.alloc_format = - alloc_format__mes_map_queues__one_per_pipe_vi; - packet->bitfields2.num_queues = 1; - packet->bitfields2.queue_sel = - queue_sel__mes_map_queues__map_to_hws_determined_queue_slots_vi; - - packet->bitfields2.engine_sel = - engine_sel__mes_map_queues__compute_vi; - packet->bitfields2.queue_type = - queue_type__mes_map_queues__normal_compute_vi; - - switch (q->properties.type) { - case KFD_QUEUE_TYPE_COMPUTE: - if (use_static) - packet->bitfields2.queue_type = - queue_type__mes_map_queues__normal_latency_static_queue_vi; - break; - case KFD_QUEUE_TYPE_DIQ: - packet->bitfields2.queue_type = - queue_type__mes_map_queues__debug_interface_queue_vi; - break; - case KFD_QUEUE_TYPE_SDMA: - packet->bitfields2.engine_sel = q->properties.sdma_engine_id + - engine_sel__mes_map_queues__sdma0_vi; - use_static = false; /* no static queues under SDMA */ - break; - default: - WARN(1, "queue type %d", q->properties.type); - return -EINVAL; - } - packet->bitfields3.doorbell_offset = - q->properties.doorbell_off; - - packet->mqd_addr_lo = - lower_32_bits(q->gart_mqd_addr); - - packet->mqd_addr_hi = - upper_32_bits(q->gart_mqd_addr); - - packet->wptr_addr_lo = - lower_32_bits((uint64_t)q->properties.write_ptr); - - packet->wptr_addr_hi = - upper_32_bits((uint64_t)q->properties.write_ptr); - - return 0; +out: + mutex_unlock(&pm->lock); + return retval; } static int pm_create_runlist_ib(struct packet_manager *pm, @@ -292,12 +152,12 @@ static int pm_create_runlist_ib(struct packet_manager *pm, return -ENOMEM; } - retval = pm_create_map_process(pm, &rl_buffer[rl_wptr], qpd); + retval = pm->pmf->map_process(pm, &rl_buffer[rl_wptr], qpd); if (retval) return retval; proccesses_mapped++; - inc_wptr(&rl_wptr, sizeof(struct pm4_mes_map_process), + inc_wptr(&rl_wptr, pm->pmf->map_process_size, alloc_size_bytes); list_for_each_entry(kq, &qpd->priv_queue_list, list) { @@ -307,7 +167,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm, pr_debug("static_queue, mapping kernel q %d, is debug status %d\n", kq->queue->queue, qpd->is_debug); - retval = pm_create_map_queue(pm, + retval = pm->pmf->map_queues(pm, &rl_buffer[rl_wptr], kq->queue, qpd->is_debug); @@ -315,7 +175,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm, return retval; inc_wptr(&rl_wptr, - sizeof(struct pm4_mes_map_queues), + pm->pmf->map_queues_size, alloc_size_bytes); } @@ -326,7 +186,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm, pr_debug("static_queue, mapping user queue %d, is debug status %d\n", q->queue, qpd->is_debug); - retval = pm_create_map_queue(pm, + retval = pm->pmf->map_queues(pm, &rl_buffer[rl_wptr], q, qpd->is_debug); @@ -335,7 +195,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm, return retval; inc_wptr(&rl_wptr, - sizeof(struct pm4_mes_map_queues), + pm->pmf->map_queues_size, alloc_size_bytes); } } @@ -343,7 +203,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm, pr_debug("Finished map process and queues to runlist\n"); if (is_over_subscription) - retval = pm_create_runlist(pm, &rl_buffer[rl_wptr], + retval = pm->pmf->runlist(pm, &rl_buffer[rl_wptr], *rl_gpu_addr, alloc_size_bytes / sizeof(uint32_t), true); @@ -355,45 +215,29 @@ static int pm_create_runlist_ib(struct packet_manager *pm, return retval; } -/* pm_create_release_mem - Create a RELEASE_MEM packet and return the size - * of this packet - * @gpu_addr - GPU address of the packet. It's a virtual address. - * @buffer - buffer to fill up with the packet. It's a CPU kernel pointer - * Return - length of the packet - */ -uint32_t pm_create_release_mem(uint64_t gpu_addr, uint32_t *buffer) -{ - struct pm4_mec_release_mem *packet; - - WARN_ON(!buffer); - - packet = (struct pm4_mec_release_mem *)buffer; - memset(buffer, 0, sizeof(*packet)); - - packet->header.u32All = build_pm4_header(IT_RELEASE_MEM, - sizeof(*packet)); - - packet->bitfields2.event_type = CACHE_FLUSH_AND_INV_TS_EVENT; - packet->bitfields2.event_index = event_index___release_mem__end_of_pipe; - packet->bitfields2.tcl1_action_ena = 1; - packet->bitfields2.tc_action_ena = 1; - packet->bitfields2.cache_policy = cache_policy___release_mem__lru; - packet->bitfields2.atc = 0; - - packet->bitfields3.data_sel = data_sel___release_mem__send_32_bit_low; - packet->bitfields3.int_sel = - int_sel___release_mem__send_interrupt_after_write_confirm; - - packet->bitfields4.address_lo_32b = (gpu_addr & 0xffffffff) >> 2; - packet->address_hi = upper_32_bits(gpu_addr); - - packet->data_lo = 0; - - return sizeof(*packet) / sizeof(unsigned int); -} - int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm) { + switch (dqm->dev->device_info->asic_family) { + case CHIP_KAVERI: + case CHIP_HAWAII: + /* PM4 packet structures on CIK are the same as on VI */ + case CHIP_CARRIZO: + case CHIP_TONGA: + case CHIP_FIJI: + case CHIP_POLARIS10: + case CHIP_POLARIS11: + pm->pmf = &kfd_vi_pm_funcs; + break; + case CHIP_VEGA10: + case CHIP_RAVEN: + pm->pmf = &kfd_v9_pm_funcs; + break; + default: + WARN(1, "Unexpected ASIC family %u", + dqm->dev->device_info->asic_family); + return -EINVAL; + } + pm->dqm = dqm; mutex_init(&pm->lock); pm->priv_queue = kernel_queue_init(dqm->dev, KFD_QUEUE_TYPE_HIQ); @@ -415,38 +259,25 @@ void pm_uninit(struct packet_manager *pm) int pm_send_set_resources(struct packet_manager *pm, struct scheduling_resources *res) { - struct pm4_mes_set_resources *packet; + uint32_t *buffer, size; int retval = 0; + size = pm->pmf->set_resources_size; mutex_lock(&pm->lock); pm->priv_queue->ops.acquire_packet_buffer(pm->priv_queue, - sizeof(*packet) / sizeof(uint32_t), - (unsigned int **)&packet); - if (!packet) { + size / sizeof(uint32_t), + (unsigned int **)&buffer); + if (!buffer) { pr_err("Failed to allocate buffer on kernel queue\n"); retval = -ENOMEM; goto out; } - memset(packet, 0, sizeof(struct pm4_mes_set_resources)); - packet->header.u32All = build_pm4_header(IT_SET_RESOURCES, - sizeof(struct pm4_mes_set_resources)); - - packet->bitfields2.queue_type = - queue_type__mes_set_resources__hsa_interface_queue_hiq; - packet->bitfields2.vmid_mask = res->vmid_mask; - packet->bitfields2.unmap_latency = KFD_UNMAP_LATENCY_MS / 100; - packet->bitfields7.oac_mask = res->oac_mask; - packet->bitfields8.gds_heap_base = res->gds_heap_base; - packet->bitfields8.gds_heap_size = res->gds_heap_size; - - packet->gws_mask_lo = lower_32_bits(res->gws_mask); - packet->gws_mask_hi = upper_32_bits(res->gws_mask); - - packet->queue_mask_lo = lower_32_bits(res->queue_mask); - packet->queue_mask_hi = upper_32_bits(res->queue_mask); - - pm->priv_queue->ops.submit_packet(pm->priv_queue); + retval = pm->pmf->set_resources(pm, buffer, res); + if (!retval) + pm->priv_queue->ops.submit_packet(pm->priv_queue); + else + pm->priv_queue->ops.rollback_packet(pm->priv_queue); out: mutex_unlock(&pm->lock); @@ -468,7 +299,7 @@ int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues) pr_debug("runlist IB address: 0x%llX\n", rl_gpu_ib_addr); - packet_size_dwords = sizeof(struct pm4_mes_runlist) / sizeof(uint32_t); + packet_size_dwords = pm->pmf->runlist_size / sizeof(uint32_t); mutex_lock(&pm->lock); retval = pm->priv_queue->ops.acquire_packet_buffer(pm->priv_queue, @@ -476,7 +307,7 @@ int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues) if (retval) goto fail_acquire_packet_buffer; - retval = pm_create_runlist(pm, rl_buffer, rl_gpu_ib_addr, + retval = pm->pmf->runlist(pm, rl_buffer, rl_gpu_ib_addr, rl_ib_size / sizeof(uint32_t), false); if (retval) goto fail_create_runlist; @@ -499,37 +330,29 @@ fail_create_runlist_ib: int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, uint32_t fence_value) { - int retval; - struct pm4_mes_query_status *packet; + uint32_t *buffer, size; + int retval = 0; if (WARN_ON(!fence_address)) return -EFAULT; + size = pm->pmf->query_status_size; mutex_lock(&pm->lock); - retval = pm->priv_queue->ops.acquire_packet_buffer( - pm->priv_queue, - sizeof(struct pm4_mes_query_status) / sizeof(uint32_t), - (unsigned int **)&packet); - if (retval) - goto fail_acquire_packet_buffer; - - packet->header.u32All = build_pm4_header(IT_QUERY_STATUS, - sizeof(struct pm4_mes_query_status)); - - packet->bitfields2.context_id = 0; - packet->bitfields2.interrupt_sel = - interrupt_sel__mes_query_status__completion_status; - packet->bitfields2.command = - command__mes_query_status__fence_only_after_write_ack; - - packet->addr_hi = upper_32_bits((uint64_t)fence_address); - packet->addr_lo = lower_32_bits((uint64_t)fence_address); - packet->data_hi = upper_32_bits((uint64_t)fence_value); - packet->data_lo = lower_32_bits((uint64_t)fence_value); + pm->priv_queue->ops.acquire_packet_buffer(pm->priv_queue, + size / sizeof(uint32_t), (unsigned int **)&buffer); + if (!buffer) { + pr_err("Failed to allocate buffer on kernel queue\n"); + retval = -ENOMEM; + goto out; + } - pm->priv_queue->ops.submit_packet(pm->priv_queue); + retval = pm->pmf->query_status(pm, buffer, fence_address, fence_value); + if (!retval) + pm->priv_queue->ops.submit_packet(pm->priv_queue); + else + pm->priv_queue->ops.rollback_packet(pm->priv_queue); -fail_acquire_packet_buffer: +out: mutex_unlock(&pm->lock); return retval; } @@ -539,82 +362,27 @@ int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, uint32_t filter_param, bool reset, unsigned int sdma_engine) { - int retval; - uint32_t *buffer; - struct pm4_mes_unmap_queues *packet; + uint32_t *buffer, size; + int retval = 0; + size = pm->pmf->unmap_queues_size; mutex_lock(&pm->lock); - retval = pm->priv_queue->ops.acquire_packet_buffer( - pm->priv_queue, - sizeof(struct pm4_mes_unmap_queues) / sizeof(uint32_t), - &buffer); - if (retval) - goto err_acquire_packet_buffer; - - packet = (struct pm4_mes_unmap_queues *)buffer; - memset(buffer, 0, sizeof(struct pm4_mes_unmap_queues)); - pr_debug("static_queue: unmapping queues: filter is %d , reset is %d , type is %d\n", - filter, reset, type); - packet->header.u32All = build_pm4_header(IT_UNMAP_QUEUES, - sizeof(struct pm4_mes_unmap_queues)); - switch (type) { - case KFD_QUEUE_TYPE_COMPUTE: - case KFD_QUEUE_TYPE_DIQ: - packet->bitfields2.engine_sel = - engine_sel__mes_unmap_queues__compute; - break; - case KFD_QUEUE_TYPE_SDMA: - packet->bitfields2.engine_sel = - engine_sel__mes_unmap_queues__sdma0 + sdma_engine; - break; - default: - WARN(1, "queue type %d", type); - retval = -EINVAL; - goto err_invalid; + pm->priv_queue->ops.acquire_packet_buffer(pm->priv_queue, + size / sizeof(uint32_t), (unsigned int **)&buffer); + if (!buffer) { + pr_err("Failed to allocate buffer on kernel queue\n"); + retval = -ENOMEM; + goto out; } - if (reset) - packet->bitfields2.action = - action__mes_unmap_queues__reset_queues; + retval = pm->pmf->unmap_queues(pm, buffer, type, filter, filter_param, + reset, sdma_engine); + if (!retval) + pm->priv_queue->ops.submit_packet(pm->priv_queue); else - packet->bitfields2.action = - action__mes_unmap_queues__preempt_queues; - - switch (filter) { - case KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: - packet->bitfields2.queue_sel = - queue_sel__mes_unmap_queues__perform_request_on_specified_queues; - packet->bitfields2.num_queues = 1; - packet->bitfields3b.doorbell_offset0 = filter_param; - break; - case KFD_UNMAP_QUEUES_FILTER_BY_PASID: - packet->bitfields2.queue_sel = - queue_sel__mes_unmap_queues__perform_request_on_pasid_queues; - packet->bitfields3a.pasid = filter_param; - break; - case KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: - packet->bitfields2.queue_sel = - queue_sel__mes_unmap_queues__unmap_all_queues; - break; - case KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES: - /* in this case, we do not preempt static queues */ - packet->bitfields2.queue_sel = - queue_sel__mes_unmap_queues__unmap_all_non_static_queues; - break; - default: - WARN(1, "filter %d", filter); - retval = -EINVAL; - goto err_invalid; - } + pm->priv_queue->ops.rollback_packet(pm->priv_queue); - pm->priv_queue->ops.submit_packet(pm->priv_queue); - - mutex_unlock(&pm->lock); - return 0; - -err_invalid: - pm->priv_queue->ops.rollback_packet(pm->priv_queue); -err_acquire_packet_buffer: +out: mutex_unlock(&pm->lock); return retval; } diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h b/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h new file mode 100644 index 0000000..f2bcf5c --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h @@ -0,0 +1,583 @@ +/* + * Copyright 2016 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef F32_MES_PM4_PACKETS_H +#define F32_MES_PM4_PACKETS_H + +#ifndef PM4_MES_HEADER_DEFINED +#define PM4_MES_HEADER_DEFINED +union PM4_MES_TYPE_3_HEADER { + struct { + uint32_t reserved1 : 8; /* < reserved */ + uint32_t opcode : 8; /* < IT opcode */ + uint32_t count : 14;/* < number of DWORDs - 1 in the + * information body. + */ + uint32_t type : 2; /* < packet identifier. + * It should be 3 for type 3 packets + */ + }; + uint32_t u32All; +}; +#endif /* PM4_MES_HEADER_DEFINED */ + +/*--------------------MES_SET_RESOURCES--------------------*/ + +#ifndef PM4_MES_SET_RESOURCES_DEFINED +#define PM4_MES_SET_RESOURCES_DEFINED +enum mes_set_resources_queue_type_enum { + queue_type__mes_set_resources__kernel_interface_queue_kiq = 0, + queue_type__mes_set_resources__hsa_interface_queue_hiq = 1, + queue_type__mes_set_resources__hsa_debug_interface_queue = 4 +}; + + +struct pm4_mes_set_resources { + union { + union PM4_MES_TYPE_3_HEADER header; /* header */ + uint32_t ordinal1; + }; + + union { + struct { + uint32_t vmid_mask:16; + uint32_t unmap_latency:8; + uint32_t reserved1:5; + enum mes_set_resources_queue_type_enum queue_type:3; + } bitfields2; + uint32_t ordinal2; + }; + + uint32_t queue_mask_lo; + uint32_t queue_mask_hi; + uint32_t gws_mask_lo; + uint32_t gws_mask_hi; + + union { + struct { + uint32_t oac_mask:16; + uint32_t reserved2:16; + } bitfields7; + uint32_t ordinal7; + }; + + union { + struct { + uint32_t gds_heap_base:6; + uint32_t reserved3:5; + uint32_t gds_heap_size:6; + uint32_t reserved4:15; + } bitfields8; + uint32_t ordinal8; + }; + +}; +#endif + +/*--------------------MES_RUN_LIST--------------------*/ + +#ifndef PM4_MES_RUN_LIST_DEFINED +#define PM4_MES_RUN_LIST_DEFINED + +struct pm4_mes_runlist { + union { + union PM4_MES_TYPE_3_HEADER header; /* header */ + uint32_t ordinal1; + }; + + union { + struct { + uint32_t reserved1:2; + uint32_t ib_base_lo:30; + } bitfields2; + uint32_t ordinal2; + }; + + uint32_t ib_base_hi; + + union { + struct { + uint32_t ib_size:20; + uint32_t chain:1; + uint32_t offload_polling:1; + uint32_t reserved2:1; + uint32_t valid:1; + uint32_t process_cnt:4; + uint32_t reserved3:4; + } bitfields4; + uint32_t ordinal4; + }; + +}; +#endif + +/*--------------------MES_MAP_PROCESS--------------------*/ + +#ifndef PM4_MES_MAP_PROCESS_DEFINED +#define PM4_MES_MAP_PROCESS_DEFINED + +struct pm4_mes_map_process { + union { + union PM4_MES_TYPE_3_HEADER header; /* header */ + uint32_t ordinal1; + }; + + union { + struct { + uint32_t pasid:16; + uint32_t reserved1:8; + uint32_t diq_enable:1; + uint32_t process_quantum:7; + } bitfields2; + uint32_t ordinal2; + }; + + uint32_t vm_context_page_table_base_addr_lo32; + + uint32_t vm_context_page_table_base_addr_hi32; + + uint32_t sh_mem_bases; + + uint32_t sh_mem_config; + + uint32_t sq_shader_tba_lo; + + uint32_t sq_shader_tba_hi; + + uint32_t sq_shader_tma_lo; + + uint32_t sq_shader_tma_hi; + + uint32_t reserved6; + + uint32_t gds_addr_lo; + + uint32_t gds_addr_hi; + + union { + struct { + uint32_t num_gws:6; + uint32_t reserved7:1; + uint32_t sdma_enable:1; + uint32_t num_oac:4; + uint32_t reserved8:4; + uint32_t gds_size:6; + uint32_t num_queues:10; + } bitfields14; + uint32_t ordinal14; + }; + + uint32_t completion_signal_lo; + + uint32_t completion_signal_hi; + +}; + +#endif + +/*--------------------MES_MAP_PROCESS_VM--------------------*/ + +#ifndef PM4_MES_MAP_PROCESS_VM_DEFINED +#define PM4_MES_MAP_PROCESS_VM_DEFINED + +struct PM4_MES_MAP_PROCESS_VM { + union { + union PM4_MES_TYPE_3_HEADER header; /* header */ + uint32_t ordinal1; + }; + + uint32_t reserved1; + + uint32_t vm_context_cntl; + + uint32_t reserved2; + + uint32_t vm_context_page_table_end_addr_lo32; + + uint32_t vm_context_page_table_end_addr_hi32; + + uint32_t vm_context_page_table_start_addr_lo32; + + uint32_t vm_context_page_table_start_addr_hi32; + + uint32_t reserved3; + + uint32_t reserved4; + + uint32_t reserved5; + + uint32_t reserved6; + + uint32_t reserved7; + + uint32_t reserved8; + + uint32_t completion_signal_lo32; + + uint32_t completion_signal_hi32; + +}; +#endif + +/*--------------------MES_MAP_QUEUES--------------------*/ + +#ifndef PM4_MES_MAP_QUEUES_VI_DEFINED +#define PM4_MES_MAP_QUEUES_VI_DEFINED +enum mes_map_queues_queue_sel_enum { + queue_sel__mes_map_queues__map_to_specified_queue_slots_vi = 0, +queue_sel__mes_map_queues__map_to_hws_determined_queue_slots_vi = 1 +}; + +enum mes_map_queues_queue_type_enum { + queue_type__mes_map_queues__normal_compute_vi = 0, + queue_type__mes_map_queues__debug_interface_queue_vi = 1, + queue_type__mes_map_queues__normal_latency_static_queue_vi = 2, +queue_type__mes_map_queues__low_latency_static_queue_vi = 3 +}; + +enum mes_map_queues_alloc_format_enum { + alloc_format__mes_map_queues__one_per_pipe_vi = 0, +alloc_format__mes_map_queues__all_on_one_pipe_vi = 1 +}; + +enum mes_map_queues_engine_sel_enum { + engine_sel__mes_map_queues__compute_vi = 0, + engine_sel__mes_map_queues__sdma0_vi = 2, + engine_sel__mes_map_queues__sdma1_vi = 3 +}; + + +struct pm4_mes_map_queues { + union { + union PM4_MES_TYPE_3_HEADER header; /* header */ + uint32_t ordinal1; + }; + + union { + struct { + uint32_t reserved1:4; + enum mes_map_queues_queue_sel_enum queue_sel:2; + uint32_t reserved2:15; + enum mes_map_queues_queue_type_enum queue_type:3; + enum mes_map_queues_alloc_format_enum alloc_format:2; + enum mes_map_queues_engine_sel_enum engine_sel:3; + uint32_t num_queues:3; + } bitfields2; + uint32_t ordinal2; + }; + + union { + struct { + uint32_t reserved3:1; + uint32_t check_disable:1; + uint32_t doorbell_offset:26; + uint32_t reserved4:4; + } bitfields3; + uint32_t ordinal3; + }; + + uint32_t mqd_addr_lo; + uint32_t mqd_addr_hi; + uint32_t wptr_addr_lo; + uint32_t wptr_addr_hi; +}; +#endif + +/*--------------------MES_QUERY_STATUS--------------------*/ + +#ifndef PM4_MES_QUERY_STATUS_DEFINED +#define PM4_MES_QUERY_STATUS_DEFINED +enum mes_query_status_interrupt_sel_enum { + interrupt_sel__mes_query_status__completion_status = 0, + interrupt_sel__mes_query_status__process_status = 1, + interrupt_sel__mes_query_status__queue_status = 2 +}; + +enum mes_query_status_command_enum { + command__mes_query_status__interrupt_only = 0, + command__mes_query_status__fence_only_immediate = 1, + command__mes_query_status__fence_only_after_write_ack = 2, + command__mes_query_status__fence_wait_for_write_ack_send_interrupt = 3 +}; + +enum mes_query_status_engine_sel_enum { + engine_sel__mes_query_status__compute = 0, + engine_sel__mes_query_status__sdma0_queue = 2, + engine_sel__mes_query_status__sdma1_queue = 3 +}; + +struct pm4_mes_query_status { + union { + union PM4_MES_TYPE_3_HEADER header; /* header */ + uint32_t ordinal1; + }; + + union { + struct { + uint32_t context_id:28; + enum mes_query_status_interrupt_sel_enum interrupt_sel:2; + enum mes_query_status_command_enum command:2; + } bitfields2; + uint32_t ordinal2; + }; + + union { + struct { + uint32_t pasid:16; + uint32_t reserved1:16; + } bitfields3a; + struct { + uint32_t reserved2:2; + uint32_t doorbell_offset:26; + enum mes_query_status_engine_sel_enum engine_sel:3; + uint32_t reserved3:1; + } bitfields3b; + uint32_t ordinal3; + }; + + uint32_t addr_lo; + uint32_t addr_hi; + uint32_t data_lo; + uint32_t data_hi; +}; +#endif + +/*--------------------MES_UNMAP_QUEUES--------------------*/ + +#ifndef PM4_MES_UNMAP_QUEUES_DEFINED +#define PM4_MES_UNMAP_QUEUES_DEFINED +enum mes_unmap_queues_action_enum { + action__mes_unmap_queues__preempt_queues = 0, + action__mes_unmap_queues__reset_queues = 1, + action__mes_unmap_queues__disable_process_queues = 2, + action__mes_unmap_queues__reserved = 3 +}; + +enum mes_unmap_queues_queue_sel_enum { + queue_sel__mes_unmap_queues__perform_request_on_specified_queues = 0, + queue_sel__mes_unmap_queues__perform_request_on_pasid_queues = 1, + queue_sel__mes_unmap_queues__unmap_all_queues = 2, + queue_sel__mes_unmap_queues__unmap_all_non_static_queues = 3 +}; + +enum mes_unmap_queues_engine_sel_enum { + engine_sel__mes_unmap_queues__compute = 0, + engine_sel__mes_unmap_queues__sdma0 = 2, + engine_sel__mes_unmap_queues__sdmal = 3 +}; + +struct pm4_mes_unmap_queues { + union { + union PM4_MES_TYPE_3_HEADER header; /* header */ + uint32_t ordinal1; + }; + + union { + struct { + enum mes_unmap_queues_action_enum action:2; + uint32_t reserved1:2; + enum mes_unmap_queues_queue_sel_enum queue_sel:2; + uint32_t reserved2:20; + enum mes_unmap_queues_engine_sel_enum engine_sel:3; + uint32_t num_queues:3; + } bitfields2; + uint32_t ordinal2; + }; + + union { + struct { + uint32_t pasid:16; + uint32_t reserved3:16; + } bitfields3a; + struct { + uint32_t reserved4:2; + uint32_t doorbell_offset0:26; + int32_t reserved5:4; + } bitfields3b; + uint32_t ordinal3; + }; + + union { + struct { + uint32_t reserved6:2; + uint32_t doorbell_offset1:26; + uint32_t reserved7:4; + } bitfields4; + uint32_t ordinal4; + }; + + union { + struct { + uint32_t reserved8:2; + uint32_t doorbell_offset2:26; + uint32_t reserved9:4; + } bitfields5; + uint32_t ordinal5; + }; + + union { + struct { + uint32_t reserved10:2; + uint32_t doorbell_offset3:26; + uint32_t reserved11:4; + } bitfields6; + uint32_t ordinal6; + }; +}; +#endif + +#ifndef PM4_MEC_RELEASE_MEM_DEFINED +#define PM4_MEC_RELEASE_MEM_DEFINED + +enum mec_release_mem_event_index_enum { + event_index__mec_release_mem__end_of_pipe = 5, + event_index__mec_release_mem__shader_done = 6 +}; + +enum mec_release_mem_cache_policy_enum { + cache_policy__mec_release_mem__lru = 0, + cache_policy__mec_release_mem__stream = 1 +}; + +enum mec_release_mem_pq_exe_status_enum { + pq_exe_status__mec_release_mem__default = 0, + pq_exe_status__mec_release_mem__phase_update = 1 +}; + +enum mec_release_mem_dst_sel_enum { + dst_sel__mec_release_mem__memory_controller = 0, + dst_sel__mec_release_mem__tc_l2 = 1, + dst_sel__mec_release_mem__queue_write_pointer_register = 2, + dst_sel__mec_release_mem__queue_write_pointer_poll_mask_bit = 3 +}; + +enum mec_release_mem_int_sel_enum { + int_sel__mec_release_mem__none = 0, + int_sel__mec_release_mem__send_interrupt_only = 1, + int_sel__mec_release_mem__send_interrupt_after_write_confirm = 2, + int_sel__mec_release_mem__send_data_after_write_confirm = 3, + int_sel__mec_release_mem__unconditionally_send_int_ctxid = 4, + int_sel__mec_release_mem__conditionally_send_int_ctxid_based_on_32_bit_compare = 5, + int_sel__mec_release_mem__conditionally_send_int_ctxid_based_on_64_bit_compare = 6 +}; + +enum mec_release_mem_data_sel_enum { + data_sel__mec_release_mem__none = 0, + data_sel__mec_release_mem__send_32_bit_low = 1, + data_sel__mec_release_mem__send_64_bit_data = 2, + data_sel__mec_release_mem__send_gpu_clock_counter = 3, + data_sel__mec_release_mem__send_cp_perfcounter_hi_lo = 4, + data_sel__mec_release_mem__store_gds_data_to_memory = 5 +}; + +struct pm4_mec_release_mem { + union { + union PM4_MES_TYPE_3_HEADER header; /*header */ + unsigned int ordinal1; + }; + + union { + struct { + unsigned int event_type:6; + unsigned int reserved1:2; + enum mec_release_mem_event_index_enum event_index:4; + unsigned int tcl1_vol_action_ena:1; + unsigned int tc_vol_action_ena:1; + unsigned int reserved2:1; + unsigned int tc_wb_action_ena:1; + unsigned int tcl1_action_ena:1; + unsigned int tc_action_ena:1; + uint32_t reserved3:1; + uint32_t tc_nc_action_ena:1; + uint32_t tc_wc_action_ena:1; + uint32_t tc_md_action_ena:1; + uint32_t reserved4:3; + enum mec_release_mem_cache_policy_enum cache_policy:2; + uint32_t reserved5:2; + enum mec_release_mem_pq_exe_status_enum pq_exe_status:1; + uint32_t reserved6:2; + } bitfields2; + unsigned int ordinal2; + }; + + union { + struct { + uint32_t reserved7:16; + enum mec_release_mem_dst_sel_enum dst_sel:2; + uint32_t reserved8:6; + enum mec_release_mem_int_sel_enum int_sel:3; + uint32_t reserved9:2; + enum mec_release_mem_data_sel_enum data_sel:3; + } bitfields3; + unsigned int ordinal3; + }; + + union { + struct { + uint32_t reserved10:2; + unsigned int address_lo_32b:30; + } bitfields4; + struct { + uint32_t reserved11:3; + uint32_t address_lo_64b:29; + } bitfields4b; + uint32_t reserved12; + unsigned int ordinal4; + }; + + union { + uint32_t address_hi; + uint32_t reserved13; + uint32_t ordinal5; + }; + + union { + uint32_t data_lo; + uint32_t cmp_data_lo; + struct { + uint32_t dw_offset:16; + uint32_t num_dwords:16; + } bitfields6c; + uint32_t reserved14; + uint32_t ordinal6; + }; + + union { + uint32_t data_hi; + uint32_t cmp_data_hi; + uint32_t reserved15; + uint32_t reserved16; + uint32_t ordinal7; + }; + + uint32_t int_ctxid; + +}; + +#endif + +enum { + CACHE_FLUSH_AND_INV_TS_EVENT = 0x00000014 +}; +#endif + diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index 96a9cc0..5e3990b 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -39,11 +39,37 @@ #include "amd_shared.h" +#define KFD_MAX_RING_ENTRY_SIZE 8 + #define KFD_SYSFS_FILE_MODE 0444 -#define KFD_MMAP_DOORBELL_MASK 0x8000000000000ull -#define KFD_MMAP_EVENTS_MASK 0x4000000000000ull -#define KFD_MMAP_RESERVED_MEM_MASK 0x2000000000000ull +/* GPU ID hash width in bits */ +#define KFD_GPU_ID_HASH_WIDTH 16 + +/* Use upper bits of mmap offset to store KFD driver specific information. + * BITS[63:62] - Encode MMAP type + * BITS[61:46] - Encode gpu_id. To identify to which GPU the offset belongs to + * BITS[45:0] - MMAP offset value + * + * NOTE: struct vm_area_struct.vm_pgoff uses offset in pages. Hence, these + * defines are w.r.t to PAGE_SIZE + */ +#define KFD_MMAP_TYPE_SHIFT (62 - PAGE_SHIFT) +#define KFD_MMAP_TYPE_MASK (0x3ULL << KFD_MMAP_TYPE_SHIFT) +#define KFD_MMAP_TYPE_DOORBELL (0x3ULL << KFD_MMAP_TYPE_SHIFT) +#define KFD_MMAP_TYPE_EVENTS (0x2ULL << KFD_MMAP_TYPE_SHIFT) +#define KFD_MMAP_TYPE_RESERVED_MEM (0x1ULL << KFD_MMAP_TYPE_SHIFT) + +#define KFD_MMAP_GPU_ID_SHIFT (46 - PAGE_SHIFT) +#define KFD_MMAP_GPU_ID_MASK (((1ULL << KFD_GPU_ID_HASH_WIDTH) - 1) \ + << KFD_MMAP_GPU_ID_SHIFT) +#define KFD_MMAP_GPU_ID(gpu_id) ((((uint64_t)gpu_id) << KFD_MMAP_GPU_ID_SHIFT)\ + & KFD_MMAP_GPU_ID_MASK) +#define KFD_MMAP_GPU_ID_GET(offset) ((offset & KFD_MMAP_GPU_ID_MASK) \ + >> KFD_MMAP_GPU_ID_SHIFT) + +#define KFD_MMAP_OFFSET_VALUE_MASK (0x3FFFFFFFFFFFULL >> PAGE_SHIFT) +#define KFD_MMAP_OFFSET_VALUE_GET(offset) (offset & KFD_MMAP_OFFSET_VALUE_MASK) /* * When working with cp scheduler we should assign the HIQ manually or via @@ -55,9 +81,6 @@ #define KFD_CIK_HIQ_PIPE 4 #define KFD_CIK_HIQ_QUEUE 0 -/* GPU ID hash width in bits */ -#define KFD_GPU_ID_HASH_WIDTH 16 - /* Macro for allocating structures */ #define kfd_alloc_struct(ptr_to_struct) \ ((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL)) @@ -116,6 +139,11 @@ extern int debug_largebar; */ extern int ignore_crat; +/* + * Set sh_mem_config.retry_disable on Vega10 + */ +extern int vega10_noretry; + /** * enum kfd_sched_policy * @@ -148,6 +176,8 @@ enum cache_policy { cache_policy_noncoherent }; +#define KFD_IS_SOC15(chip) ((chip) >= CHIP_VEGA10) + struct kfd_event_interrupt_class { bool (*interrupt_isr)(struct kfd_dev *dev, const uint32_t *ih_ring_entry); @@ -160,6 +190,7 @@ struct kfd_device_info { const struct kfd_event_interrupt_class *event_interrupt_class; unsigned int max_pasid_bits; unsigned int max_no_of_hqd; + unsigned int doorbell_size; size_t ih_ring_entry_size; uint8_t num_of_watch_points; uint16_t mqd_size_aligned; @@ -173,6 +204,7 @@ struct kfd_mem_obj { uint32_t range_end; uint64_t gpu_addr; uint32_t *cpu_ptr; + void *gtt_mem; }; struct kfd_vmid_info { @@ -364,7 +396,7 @@ struct queue_properties { uint32_t queue_percent; uint32_t *read_ptr; uint32_t *write_ptr; - uint32_t __iomem *doorbell_ptr; + void __iomem *doorbell_ptr; uint32_t doorbell_off; bool is_interop; bool is_evicted; @@ -427,6 +459,7 @@ struct queue { uint32_t queue; unsigned int sdma_id; + unsigned int doorbell_id; struct kfd_process *process; struct kfd_dev *device; @@ -501,6 +534,9 @@ struct qcm_process_device { /* IB memory */ uint64_t ib_base; void *ib_kaddr; + + /* doorbell resources per process per device */ + unsigned long *doorbell_bitmap; }; /* KFD Memory Eviction */ @@ -512,6 +548,8 @@ struct qcm_process_device { /* Approx. time before evicting the process again */ #define PROCESS_ACTIVE_TIME_MS 10 +int kgd2kfd_quiesce_mm(struct mm_struct *mm); +int kgd2kfd_resume_mm(struct mm_struct *mm); int kgd2kfd_schedule_evict_and_restore_process(struct mm_struct *mm, struct dma_fence *fence); @@ -681,6 +719,8 @@ struct kfd_process *kfd_get_process(const struct task_struct *); struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid); struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm); void kfd_unref_process(struct kfd_process *p); +int kfd_process_evict_queues(struct kfd_process *p); +int kfd_process_restore_queues(struct kfd_process *p); void kfd_suspend_all_processes(void); int kfd_resume_all_processes(void); @@ -693,7 +733,7 @@ struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, struct kfd_process *p); -int kfd_reserved_mem_mmap(struct kfd_process *process, +int kfd_reserved_mem_mmap(struct kfd_dev *dev, struct kfd_process *process, struct vm_area_struct *vma); /* KFD process API for creating and translating handles */ @@ -721,17 +761,20 @@ unsigned int kfd_pasid_alloc(void); void kfd_pasid_free(unsigned int pasid); /* Doorbells */ +size_t kfd_doorbell_process_slice(struct kfd_dev *kfd); int kfd_doorbell_init(struct kfd_dev *kfd); void kfd_doorbell_fini(struct kfd_dev *kfd); -int kfd_doorbell_mmap(struct kfd_process *process, struct vm_area_struct *vma); -u32 __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, +int kfd_doorbell_mmap(struct kfd_dev *dev, struct kfd_process *process, + struct vm_area_struct *vma); +void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, unsigned int *doorbell_off); void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); u32 read_kernel_doorbell(u32 __iomem *db); -void write_kernel_doorbell(u32 __iomem *db, u32 value); -unsigned int kfd_queue_id_to_doorbell(struct kfd_dev *kfd, +void write_kernel_doorbell(void __iomem *db, u32 value); +void write_kernel_doorbell64(void __iomem *db, u64 value); +unsigned int kfd_doorbell_id_to_offset(struct kfd_dev *kfd, struct kfd_process *process, - unsigned int queue_id); + unsigned int doorbell_id); phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, struct kfd_process *process); int kfd_alloc_process_doorbells(struct kfd_process *process); @@ -788,6 +831,8 @@ struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, struct kfd_dev *dev); struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type, struct kfd_dev *dev); +struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, + struct kfd_dev *dev); struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); void device_queue_manager_uninit(struct device_queue_manager *dqm); struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, @@ -832,8 +877,42 @@ struct packet_manager { bool allocated; struct kfd_mem_obj *ib_buffer_obj; unsigned int ib_size_bytes; + + const struct packet_manager_funcs *pmf; +}; + +struct packet_manager_funcs { + /* Support ASIC-specific packet formats for PM4 packets */ + int (*map_process)(struct packet_manager *pm, uint32_t *buffer, + struct qcm_process_device *qpd); + int (*runlist)(struct packet_manager *pm, uint32_t *buffer, + uint64_t ib, size_t ib_size_in_dwords, bool chain); + int (*set_resources)(struct packet_manager *pm, uint32_t *buffer, + struct scheduling_resources *res); + int (*map_queues)(struct packet_manager *pm, uint32_t *buffer, + struct queue *q, bool is_static); + int (*unmap_queues)(struct packet_manager *pm, uint32_t *buffer, + enum kfd_queue_type type, + enum kfd_unmap_queues_filter mode, + uint32_t filter_param, bool reset, + unsigned int sdma_engine); + int (*query_status)(struct packet_manager *pm, uint32_t *buffer, + uint64_t fence_address, uint32_t fence_value); + int (*release_mem)(uint64_t gpu_addr, uint32_t *buffer); + + /* Packet sizes */ + int map_process_size; + int runlist_size; + int set_resources_size; + int map_queues_size; + int unmap_queues_size; + int query_status_size; + int release_mem_size; }; +extern const struct packet_manager_funcs kfd_vi_pm_funcs; +extern const struct packet_manager_funcs kfd_v9_pm_funcs; + int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); void pm_uninit(struct packet_manager *pm); int pm_send_set_resources(struct packet_manager *pm, @@ -849,12 +928,17 @@ int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, void pm_release_ib(struct packet_manager *pm); -uint32_t pm_create_release_mem(uint64_t gpu_addr, uint32_t *buffer); +/* Following PM funcs can be shared among VI and AI */ +unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size); +int pm_set_resources_vi(struct packet_manager *pm, uint32_t *buffer, + struct scheduling_resources *res); uint64_t kfd_get_number_elems(struct kfd_dev *kfd); /* Events */ extern const struct kfd_event_interrupt_class event_interrupt_class_cik; +extern const struct kfd_event_interrupt_class event_interrupt_class_v9; + extern const struct kfd_device_global_init_class device_global_init_class_cik; void kfd_event_init_process(struct kfd_process *p); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index 1711ad0..1d80b4f 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -332,6 +332,7 @@ static void kfd_process_destroy_pdds(struct kfd_process *p) free_pages((unsigned long)pdd->qpd.cwsr_kaddr, get_order(KFD_CWSR_TBA_TMA_SIZE)); + kfree(pdd->qpd.doorbell_bitmap); idr_destroy(&pdd->alloc_idr); kfree(pdd); @@ -451,7 +452,8 @@ static int kfd_process_init_cwsr_apu(struct kfd_process *p, struct file *filep) if (!dev->cwsr_enabled || qpd->cwsr_kaddr || qpd->cwsr_base) continue; - offset = (dev->id | KFD_MMAP_RESERVED_MEM_MASK) << PAGE_SHIFT; + offset = (KFD_MMAP_TYPE_RESERVED_MEM | KFD_MMAP_GPU_ID(dev->id)) + << PAGE_SHIFT; qpd->tba_addr = (int64_t)vm_mmap(filep, 0, KFD_CWSR_TBA_TMA_SIZE, PROT_READ | PROT_EXEC, MAP_SHARED, offset); @@ -585,6 +587,31 @@ err_alloc_process: return ERR_PTR(err); } +static int init_doorbell_bitmap(struct qcm_process_device *qpd, + struct kfd_dev *dev) +{ + unsigned int i; + + if (!KFD_IS_SOC15(dev->device_info->asic_family)) + return 0; + + qpd->doorbell_bitmap = + kzalloc(DIV_ROUND_UP(KFD_MAX_NUM_OF_QUEUES_PER_PROCESS, + BITS_PER_BYTE), GFP_KERNEL); + if (!qpd->doorbell_bitmap) + return -ENOMEM; + + /* Mask out any reserved doorbells */ + for (i = 0; i < KFD_MAX_NUM_OF_QUEUES_PER_PROCESS; i++) + if ((dev->shared_resources.reserved_doorbell_mask & i) == + dev->shared_resources.reserved_doorbell_val) { + set_bit(i, qpd->doorbell_bitmap); + pr_debug("reserved doorbell 0x%03x\n", i); + } + + return 0; +} + struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, struct kfd_process *p) { @@ -606,6 +633,12 @@ struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, if (!pdd) return NULL; + if (init_doorbell_bitmap(&pdd->qpd, dev)) { + pr_err("Failed to init doorbell for process\n"); + kfree(pdd); + return NULL; + } + pdd->dev = dev; INIT_LIST_HEAD(&pdd->qpd.queues_list); INIT_LIST_HEAD(&pdd->qpd.priv_queue_list); @@ -808,7 +841,7 @@ struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm) * Eviction is reference-counted per process-device. This means multiple * evictions from different sources can be nested safely. */ -static int process_evict_queues(struct kfd_process *p) +int kfd_process_evict_queues(struct kfd_process *p) { struct kfd_process_device *pdd; int r = 0; @@ -844,7 +877,7 @@ fail: } /* process_restore_queues - Restore all user queues of a process */ -static int process_restore_queues(struct kfd_process *p) +int kfd_process_restore_queues(struct kfd_process *p) { struct kfd_process_device *pdd; int r, ret = 0; @@ -886,7 +919,7 @@ static void evict_process_worker(struct work_struct *work) flush_delayed_work(&p->restore_work); pr_debug("Started evicting pasid %d\n", p->pasid); - ret = process_evict_queues(p); + ret = kfd_process_evict_queues(p); if (!ret) { dma_fence_signal(p->ef); dma_fence_put(p->ef); @@ -946,7 +979,7 @@ static void restore_process_worker(struct work_struct *work) return; } - ret = process_restore_queues(p); + ret = kfd_process_restore_queues(p); if (!ret) pr_debug("Finished restoring pasid %d\n", p->pasid); else @@ -963,7 +996,7 @@ void kfd_suspend_all_processes(void) cancel_delayed_work_sync(&p->eviction_work); cancel_delayed_work_sync(&p->restore_work); - if (process_evict_queues(p)) + if (kfd_process_evict_queues(p)) pr_err("Failed to suspend process %d\n", p->pasid); dma_fence_signal(p->ef); dma_fence_put(p->ef); @@ -989,15 +1022,12 @@ int kfd_resume_all_processes(void) return ret; } -int kfd_reserved_mem_mmap(struct kfd_process *process, +int kfd_reserved_mem_mmap(struct kfd_dev *dev, struct kfd_process *process, struct vm_area_struct *vma) { - struct kfd_dev *dev = kfd_device_by_id(vma->vm_pgoff); struct kfd_process_device *pdd; struct qcm_process_device *qpd; - if (!dev) - return -EINVAL; if ((vma->vm_end - vma->vm_start) != KFD_CWSR_TBA_TMA_SIZE) { pr_err("Incorrect CWSR mapping size.\n"); return -EINVAL; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c index 7817e32..d65ce04 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c @@ -119,9 +119,6 @@ static int create_cp_queue(struct process_queue_manager *pqm, /* Doorbell initialized in user space*/ q_properties->doorbell_ptr = NULL; - q_properties->doorbell_off = - kfd_queue_id_to_doorbell(dev, pqm->process, qid); - /* let DQM handle it*/ q_properties->vmid = 0; q_properties->queue_id = qid; @@ -244,10 +241,20 @@ int pqm_create_queue(struct process_queue_manager *pqm, } if (retval != 0) { - pr_err("DQM create queue failed\n"); + pr_err("Pasid %d DQM create queue %d failed. ret %d\n", + pqm->process->pasid, type, retval); goto err_create_queue; } + if (q) + /* Return the doorbell offset within the doorbell page + * to the caller so it can be passed up to user mode + * (in bytes). + */ + properties->doorbell_off = + (q->properties.doorbell_off * sizeof(uint32_t)) & + (kfd_doorbell_process_slice(dev) - 1); + pr_debug("PQM After DQM create queue\n"); list_add(&pqn->process_queue_list, &pqm->queues); @@ -313,8 +320,11 @@ int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid) dqm = pqn->q->device->dqm; retval = dqm->ops.destroy_queue(dqm, &pdd->qpd, pqn->q); if (retval) { - pr_debug("Destroy queue failed, returned %d\n", retval); - goto err_destroy_queue; + pr_err("Pasid %d destroy queue %d failed, ret %d\n", + pqm->process->pasid, + pqn->q->properties.queue_id, retval); + if (retval != -ETIME) + goto err_destroy_queue; } uninit_queue(pqn->q); } diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_queue.c b/drivers/gpu/drm/amd/amdkfd/kfd_queue.c index a5315d4..6dcd621 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_queue.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_queue.c @@ -36,8 +36,8 @@ void print_queue_properties(struct queue_properties *q) pr_debug("Queue Address: 0x%llX\n", q->queue_address); pr_debug("Queue Id: %u\n", q->queue_id); pr_debug("Queue Process Vmid: %u\n", q->vmid); - pr_debug("Queue Read Pointer: 0x%p\n", q->read_ptr); - pr_debug("Queue Write Pointer: 0x%p\n", q->write_ptr); + pr_debug("Queue Read Pointer: 0x%px\n", q->read_ptr); + pr_debug("Queue Write Pointer: 0x%px\n", q->write_ptr); pr_debug("Queue Doorbell Pointer: 0x%p\n", q->doorbell_ptr); pr_debug("Queue Doorbell Offset: %u\n", q->doorbell_off); } @@ -53,8 +53,8 @@ void print_queue(struct queue *q) pr_debug("Queue Address: 0x%llX\n", q->properties.queue_address); pr_debug("Queue Id: %u\n", q->properties.queue_id); pr_debug("Queue Process Vmid: %u\n", q->properties.vmid); - pr_debug("Queue Read Pointer: 0x%p\n", q->properties.read_ptr); - pr_debug("Queue Write Pointer: 0x%p\n", q->properties.write_ptr); + pr_debug("Queue Read Pointer: 0x%px\n", q->properties.read_ptr); + pr_debug("Queue Write Pointer: 0x%px\n", q->properties.write_ptr); pr_debug("Queue Doorbell Pointer: 0x%p\n", q->properties.doorbell_ptr); pr_debug("Queue Doorbell Offset: %u\n", q->properties.doorbell_off); pr_debug("Queue MQD Address: 0x%p\n", q->mqd); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c index ac28abc..bc95d4df 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c @@ -1239,6 +1239,12 @@ int kfd_topology_add_device(struct kfd_dev *gpu) HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT) & HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK); break; + case CHIP_VEGA10: + case CHIP_RAVEN: + dev->node_props.capability |= ((HSA_CAP_DOORBELL_TYPE_2_0 << + HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT) & + HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK); + break; default: WARN(1, "Unexpected ASIC family %u", dev->gpu->device_info->asic_family); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h index eb54cfc..7d9c3f9 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h @@ -45,6 +45,7 @@ #define HSA_CAP_DOORBELL_TYPE_PRE_1_0 0x0 #define HSA_CAP_DOORBELL_TYPE_1_0 0x1 +#define HSA_CAP_DOORBELL_TYPE_2_0 0x2 #define HSA_CAP_AQL_QUEUE_DOUBLE_MAP 0x00004000 struct kfd_node_properties { diff --git a/drivers/gpu/drm/amd/amdkfd/soc15_int.h b/drivers/gpu/drm/amd/amdkfd/soc15_int.h new file mode 100644 index 0000000..0bc0b25 --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/soc15_int.h @@ -0,0 +1,47 @@ +/* + * Copyright 2016-2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef HSA_SOC15_INT_H_INCLUDED +#define HSA_SOC15_INT_H_INCLUDED + +#include "soc15_ih_clientid.h" + +#define SOC15_INTSRC_CP_END_OF_PIPE 181 +#define SOC15_INTSRC_CP_BAD_OPCODE 183 +#define SOC15_INTSRC_SQ_INTERRUPT_MSG 239 +#define SOC15_INTSRC_VMC_FAULT 0 +#define SOC15_INTSRC_SDMA_TRAP 224 + + +#define SOC15_CLIENT_ID_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[0]) & 0xff) +#define SOC15_SOURCE_ID_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[0]) >> 8 & 0xff) +#define SOC15_RING_ID_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[0]) >> 16 & 0xff) +#define SOC15_VMID_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[0]) >> 24 & 0xf) +#define SOC15_VMID_TYPE_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[0]) >> 31 & 0x1) +#define SOC15_PASID_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[3]) & 0xffff) +#define SOC15_CONTEXT_ID0_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[4])) +#define SOC15_CONTEXT_ID1_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[5])) +#define SOC15_CONTEXT_ID2_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[6])) +#define SOC15_CONTEXT_ID3_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[7])) + +#endif + diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h index 237289a..5733fbe 100644 --- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h @@ -100,6 +100,21 @@ struct kgd2kfd_shared_resources { /* Bit n == 1 means Queue n is available for KFD */ DECLARE_BITMAP(queue_bitmap, KGD_MAX_QUEUES); + /* Doorbell assignments (SOC15 and later chips only). Only + * specific doorbells are routed to each SDMA engine. Others + * are routed to IH and VCN. They are not usable by the CP. + * + * Any doorbell number D that satisfies the following condition + * is reserved: (D & reserved_doorbell_mask) == reserved_doorbell_val + * + * KFD currently uses 1024 (= 0x3ff) doorbells per process. If + * doorbells 0x0f0-0x0f7 and 0x2f-0x2f7 are reserved, that means + * mask would be set to 0x1f8 and val set to 0x0f0. + */ + unsigned int sdma_doorbell[2][2]; + unsigned int reserved_doorbell_mask; + unsigned int reserved_doorbell_val; + /* Base address of doorbell aperture. */ phys_addr_t doorbell_physical_address; @@ -173,8 +188,6 @@ struct tile_config { * @set_pasid_vmid_mapping: Exposes pasid/vmid pair to the H/W for no cp * scheduling mode. Only used for no cp scheduling mode. * - * @init_pipeline: Initialized the compute pipelines. - * * @hqd_load: Loads the mqd structure to a H/W hqd slot. used only for no cp * sceduling mode. * @@ -274,9 +287,6 @@ struct kfd2kgd_calls { int (*set_pasid_vmid_mapping)(struct kgd_dev *kgd, unsigned int pasid, unsigned int vmid); - int (*init_pipeline)(struct kgd_dev *kgd, uint32_t pipe_id, - uint32_t hpd_size, uint64_t hpd_gpu_addr); - int (*init_interrupts)(struct kgd_dev *kgd, uint32_t pipe_id); int (*hqd_load)(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id, @@ -382,6 +392,10 @@ struct kfd2kgd_calls { * * @resume: Notifies amdkfd about a resume action done to a kgd device * + * @quiesce_mm: Quiesce all user queue access to specified MM address space + * + * @resume_mm: Resume user queue access to specified MM address space + * * @schedule_evict_and_restore_process: Schedules work queue that will prepare * for safe eviction of KFD BOs that belong to the specified process. * @@ -399,6 +413,8 @@ struct kgd2kfd_calls { void (*interrupt)(struct kfd_dev *kfd, const void *ih_ring_entry); void (*suspend)(struct kfd_dev *kfd); int (*resume)(struct kfd_dev *kfd); + int (*quiesce_mm)(struct mm_struct *mm); + int (*resume_mm)(struct mm_struct *mm); int (*schedule_evict_and_restore_process)(struct mm_struct *mm, struct dma_fence *fence); }; diff --git a/drivers/gpu/drm/amd/include/v9_structs.h b/drivers/gpu/drm/amd/include/v9_structs.h index 2fb25ab..ceaf493 100644 --- a/drivers/gpu/drm/amd/include/v9_structs.h +++ b/drivers/gpu/drm/amd/include/v9_structs.h @@ -29,10 +29,10 @@ struct v9_sdma_mqd { uint32_t sdmax_rlcx_rb_base; uint32_t sdmax_rlcx_rb_base_hi; uint32_t sdmax_rlcx_rb_rptr; + uint32_t sdmax_rlcx_rb_rptr_hi; uint32_t sdmax_rlcx_rb_wptr; + uint32_t sdmax_rlcx_rb_wptr_hi; uint32_t sdmax_rlcx_rb_wptr_poll_cntl; - uint32_t sdmax_rlcx_rb_wptr_poll_addr_hi; - uint32_t sdmax_rlcx_rb_wptr_poll_addr_lo; uint32_t sdmax_rlcx_rb_rptr_addr_hi; uint32_t sdmax_rlcx_rb_rptr_addr_lo; uint32_t sdmax_rlcx_ib_cntl; @@ -44,29 +44,29 @@ struct v9_sdma_mqd { uint32_t sdmax_rlcx_skip_cntl; uint32_t sdmax_rlcx_context_status; uint32_t sdmax_rlcx_doorbell; - uint32_t sdmax_rlcx_virtual_addr; - uint32_t sdmax_rlcx_ape1_cntl; + uint32_t sdmax_rlcx_status; uint32_t sdmax_rlcx_doorbell_log; - uint32_t reserved_22; - uint32_t reserved_23; - uint32_t reserved_24; - uint32_t reserved_25; - uint32_t reserved_26; - uint32_t reserved_27; - uint32_t reserved_28; - uint32_t reserved_29; - uint32_t reserved_30; - uint32_t reserved_31; - uint32_t reserved_32; - uint32_t reserved_33; - uint32_t reserved_34; - uint32_t reserved_35; - uint32_t reserved_36; - uint32_t reserved_37; - uint32_t reserved_38; - uint32_t reserved_39; - uint32_t reserved_40; - uint32_t reserved_41; + uint32_t sdmax_rlcx_watermark; + uint32_t sdmax_rlcx_doorbell_offset; + uint32_t sdmax_rlcx_csa_addr_lo; + uint32_t sdmax_rlcx_csa_addr_hi; + uint32_t sdmax_rlcx_ib_sub_remain; + uint32_t sdmax_rlcx_preempt; + uint32_t sdmax_rlcx_dummy_reg; + uint32_t sdmax_rlcx_rb_wptr_poll_addr_hi; + uint32_t sdmax_rlcx_rb_wptr_poll_addr_lo; + uint32_t sdmax_rlcx_rb_aql_cntl; + uint32_t sdmax_rlcx_minor_ptr_update; + uint32_t sdmax_rlcx_midcmd_data0; + uint32_t sdmax_rlcx_midcmd_data1; + uint32_t sdmax_rlcx_midcmd_data2; + uint32_t sdmax_rlcx_midcmd_data3; + uint32_t sdmax_rlcx_midcmd_data4; + uint32_t sdmax_rlcx_midcmd_data5; + uint32_t sdmax_rlcx_midcmd_data6; + uint32_t sdmax_rlcx_midcmd_data7; + uint32_t sdmax_rlcx_midcmd_data8; + uint32_t sdmax_rlcx_midcmd_cntl; uint32_t reserved_42; uint32_t reserved_43; uint32_t reserved_44; |
