diff options
Diffstat (limited to 'src/linux-headers/linux')
| -rw-r--r-- | src/linux-headers/linux/kvm.h | 1272 | ||||
| -rw-r--r-- | src/linux-headers/linux/kvm_para.h | 32 | ||||
| -rw-r--r-- | src/linux-headers/linux/psci.h | 90 | ||||
| -rw-r--r-- | src/linux-headers/linux/userfaultfd.h | 167 | ||||
| -rw-r--r-- | src/linux-headers/linux/vfio.h | 594 | ||||
| -rw-r--r-- | src/linux-headers/linux/vhost.h | 172 | ||||
| -rw-r--r-- | src/linux-headers/linux/virtio_config.h | 1 | ||||
| -rw-r--r-- | src/linux-headers/linux/virtio_ring.h | 1 |
8 files changed, 2329 insertions, 0 deletions
diff --git a/src/linux-headers/linux/kvm.h b/src/linux-headers/linux/kvm.h new file mode 100644 index 0000000..dcc410e --- /dev/null +++ b/src/linux-headers/linux/kvm.h @@ -0,0 +1,1272 @@ +#ifndef __LINUX_KVM_H +#define __LINUX_KVM_H + +/* + * Userspace interface for /dev/kvm - kernel based virtual machine + * + * Note: you must update KVM_API_VERSION if you change this interface. + */ + +#include <linux/types.h> + +#include <linux/ioctl.h> +#include <asm/kvm.h> + +#define KVM_API_VERSION 12 + +/* *** Deprecated interfaces *** */ + +#define KVM_TRC_SHIFT 16 + +#define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT) +#define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1)) + +#define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01) +#define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02) +#define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01) + +#define KVM_TRC_HEAD_SIZE 12 +#define KVM_TRC_CYCLE_SIZE 8 +#define KVM_TRC_EXTRA_MAX 7 + +#define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02) +#define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03) +#define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04) +#define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05) +#define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06) +#define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07) +#define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08) +#define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09) +#define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A) +#define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B) +#define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C) +#define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D) +#define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E) +#define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F) +#define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10) +#define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11) +#define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12) +#define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13) +#define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14) +#define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15) +#define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16) +#define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17) +#define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18) +#define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19) + +struct kvm_user_trace_setup { + __u32 buf_size; + __u32 buf_nr; +}; + +#define __KVM_DEPRECATED_MAIN_W_0x06 \ + _IOW(KVMIO, 0x06, struct kvm_user_trace_setup) +#define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07) +#define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08) + +#define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq) + +struct kvm_breakpoint { + __u32 enabled; + __u32 padding; + __u64 address; +}; + +struct kvm_debug_guest { + __u32 enabled; + __u32 pad; + struct kvm_breakpoint breakpoints[4]; + __u32 singlestep; +}; + +#define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest) + +/* *** End of deprecated interfaces *** */ + + +/* for KVM_CREATE_MEMORY_REGION */ +struct kvm_memory_region { + __u32 slot; + __u32 flags; + __u64 guest_phys_addr; + __u64 memory_size; /* bytes */ +}; + +/* for KVM_SET_USER_MEMORY_REGION */ +struct kvm_userspace_memory_region { + __u32 slot; + __u32 flags; + __u64 guest_phys_addr; + __u64 memory_size; /* bytes */ + __u64 userspace_addr; /* start of the userspace allocated memory */ +}; + +/* + * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace, + * other bits are reserved for kvm internal use which are defined in + * include/linux/kvm_host.h. + */ +#define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0) +#define KVM_MEM_READONLY (1UL << 1) + +/* for KVM_IRQ_LINE */ +struct kvm_irq_level { + /* + * ACPI gsi notion of irq. + * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. + * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. + * For ARM: See Documentation/virtual/kvm/api.txt + */ + union { + __u32 irq; + __s32 status; + }; + __u32 level; +}; + + +struct kvm_irqchip { + __u32 chip_id; + __u32 pad; + union { + char dummy[512]; /* reserving space */ +#ifdef __KVM_HAVE_PIT + struct kvm_pic_state pic; +#endif +#ifdef __KVM_HAVE_IOAPIC + struct kvm_ioapic_state ioapic; +#endif + } chip; +}; + +/* for KVM_CREATE_PIT2 */ +struct kvm_pit_config { + __u32 flags; + __u32 pad[15]; +}; + +#define KVM_PIT_SPEAKER_DUMMY 1 + +struct kvm_s390_skeys { + __u64 start_gfn; + __u64 count; + __u64 skeydata_addr; + __u32 flags; + __u32 reserved[9]; +}; +#define KVM_S390_GET_SKEYS_NONE 1 +#define KVM_S390_SKEYS_MAX 1048576 + +#define KVM_EXIT_UNKNOWN 0 +#define KVM_EXIT_EXCEPTION 1 +#define KVM_EXIT_IO 2 +#define KVM_EXIT_HYPERCALL 3 +#define KVM_EXIT_DEBUG 4 +#define KVM_EXIT_HLT 5 +#define KVM_EXIT_MMIO 6 +#define KVM_EXIT_IRQ_WINDOW_OPEN 7 +#define KVM_EXIT_SHUTDOWN 8 +#define KVM_EXIT_FAIL_ENTRY 9 +#define KVM_EXIT_INTR 10 +#define KVM_EXIT_SET_TPR 11 +#define KVM_EXIT_TPR_ACCESS 12 +#define KVM_EXIT_S390_SIEIC 13 +#define KVM_EXIT_S390_RESET 14 +#define KVM_EXIT_DCR 15 /* deprecated */ +#define KVM_EXIT_NMI 16 +#define KVM_EXIT_INTERNAL_ERROR 17 +#define KVM_EXIT_OSI 18 +#define KVM_EXIT_PAPR_HCALL 19 +#define KVM_EXIT_S390_UCONTROL 20 +#define KVM_EXIT_WATCHDOG 21 +#define KVM_EXIT_S390_TSCH 22 +#define KVM_EXIT_EPR 23 +#define KVM_EXIT_SYSTEM_EVENT 24 +#define KVM_EXIT_S390_STSI 25 +#define KVM_EXIT_IOAPIC_EOI 26 + +/* For KVM_EXIT_INTERNAL_ERROR */ +/* Emulate instruction failed. */ +#define KVM_INTERNAL_ERROR_EMULATION 1 +/* Encounter unexpected simultaneous exceptions. */ +#define KVM_INTERNAL_ERROR_SIMUL_EX 2 +/* Encounter unexpected vm-exit due to delivery event. */ +#define KVM_INTERNAL_ERROR_DELIVERY_EV 3 + +/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ +struct kvm_run { + /* in */ + __u8 request_interrupt_window; + __u8 padding1[7]; + + /* out */ + __u32 exit_reason; + __u8 ready_for_interrupt_injection; + __u8 if_flag; + __u16 flags; + + /* in (pre_kvm_run), out (post_kvm_run) */ + __u64 cr8; + __u64 apic_base; + +#ifdef __KVM_S390 + /* the processor status word for s390 */ + __u64 psw_mask; /* psw upper half */ + __u64 psw_addr; /* psw lower half */ +#endif + union { + /* KVM_EXIT_UNKNOWN */ + struct { + __u64 hardware_exit_reason; + } hw; + /* KVM_EXIT_FAIL_ENTRY */ + struct { + __u64 hardware_entry_failure_reason; + } fail_entry; + /* KVM_EXIT_EXCEPTION */ + struct { + __u32 exception; + __u32 error_code; + } ex; + /* KVM_EXIT_IO */ + struct { +#define KVM_EXIT_IO_IN 0 +#define KVM_EXIT_IO_OUT 1 + __u8 direction; + __u8 size; /* bytes */ + __u16 port; + __u32 count; + __u64 data_offset; /* relative to kvm_run start */ + } io; + /* KVM_EXIT_DEBUG */ + struct { + struct kvm_debug_exit_arch arch; + } debug; + /* KVM_EXIT_MMIO */ + struct { + __u64 phys_addr; + __u8 data[8]; + __u32 len; + __u8 is_write; + } mmio; + /* KVM_EXIT_HYPERCALL */ + struct { + __u64 nr; + __u64 args[6]; + __u64 ret; + __u32 longmode; + __u32 pad; + } hypercall; + /* KVM_EXIT_TPR_ACCESS */ + struct { + __u64 rip; + __u32 is_write; + __u32 pad; + } tpr_access; + /* KVM_EXIT_S390_SIEIC */ + struct { + __u8 icptcode; + __u16 ipa; + __u32 ipb; + } s390_sieic; + /* KVM_EXIT_S390_RESET */ +#define KVM_S390_RESET_POR 1 +#define KVM_S390_RESET_CLEAR 2 +#define KVM_S390_RESET_SUBSYSTEM 4 +#define KVM_S390_RESET_CPU_INIT 8 +#define KVM_S390_RESET_IPL 16 + __u64 s390_reset_flags; + /* KVM_EXIT_S390_UCONTROL */ + struct { + __u64 trans_exc_code; + __u32 pgm_code; + } s390_ucontrol; + /* KVM_EXIT_DCR (deprecated) */ + struct { + __u32 dcrn; + __u32 data; + __u8 is_write; + } dcr; + /* KVM_EXIT_INTERNAL_ERROR */ + struct { + __u32 suberror; + /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ + __u32 ndata; + __u64 data[16]; + } internal; + /* KVM_EXIT_OSI */ + struct { + __u64 gprs[32]; + } osi; + /* KVM_EXIT_PAPR_HCALL */ + struct { + __u64 nr; + __u64 ret; + __u64 args[9]; + } papr_hcall; + /* KVM_EXIT_S390_TSCH */ + struct { + __u16 subchannel_id; + __u16 subchannel_nr; + __u32 io_int_parm; + __u32 io_int_word; + __u32 ipb; + __u8 dequeued; + } s390_tsch; + /* KVM_EXIT_EPR */ + struct { + __u32 epr; + } epr; + /* KVM_EXIT_SYSTEM_EVENT */ + struct { +#define KVM_SYSTEM_EVENT_SHUTDOWN 1 +#define KVM_SYSTEM_EVENT_RESET 2 +#define KVM_SYSTEM_EVENT_CRASH 3 + __u32 type; + __u64 flags; + } system_event; + /* KVM_EXIT_S390_STSI */ + struct { + __u64 addr; + __u8 ar; + __u8 reserved; + __u8 fc; + __u8 sel1; + __u16 sel2; + } s390_stsi; + /* KVM_EXIT_IOAPIC_EOI */ + struct { + __u8 vector; + } eoi; + /* Fix the size of the union. */ + char padding[256]; + }; + + /* + * shared registers between kvm and userspace. + * kvm_valid_regs specifies the register classes set by the host + * kvm_dirty_regs specified the register classes dirtied by userspace + * struct kvm_sync_regs is architecture specific, as well as the + * bits for kvm_valid_regs and kvm_dirty_regs + */ + __u64 kvm_valid_regs; + __u64 kvm_dirty_regs; + union { + struct kvm_sync_regs regs; + char padding[2048]; + } s; +}; + +/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */ + +struct kvm_coalesced_mmio_zone { + __u64 addr; + __u32 size; + __u32 pad; +}; + +struct kvm_coalesced_mmio { + __u64 phys_addr; + __u32 len; + __u32 pad; + __u8 data[8]; +}; + +struct kvm_coalesced_mmio_ring { + __u32 first, last; + struct kvm_coalesced_mmio coalesced_mmio[0]; +}; + +#define KVM_COALESCED_MMIO_MAX \ + ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \ + sizeof(struct kvm_coalesced_mmio)) + +/* for KVM_TRANSLATE */ +struct kvm_translation { + /* in */ + __u64 linear_address; + + /* out */ + __u64 physical_address; + __u8 valid; + __u8 writeable; + __u8 usermode; + __u8 pad[5]; +}; + +/* for KVM_S390_MEM_OP */ +struct kvm_s390_mem_op { + /* in */ + __u64 gaddr; /* the guest address */ + __u64 flags; /* flags */ + __u32 size; /* amount of bytes */ + __u32 op; /* type of operation */ + __u64 buf; /* buffer in userspace */ + __u8 ar; /* the access register number */ + __u8 reserved[31]; /* should be set to 0 */ +}; +/* types for kvm_s390_mem_op->op */ +#define KVM_S390_MEMOP_LOGICAL_READ 0 +#define KVM_S390_MEMOP_LOGICAL_WRITE 1 +/* flags for kvm_s390_mem_op->flags */ +#define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0) +#define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1) + +/* for KVM_INTERRUPT */ +struct kvm_interrupt { + /* in */ + __u32 irq; +}; + +/* for KVM_GET_DIRTY_LOG */ +struct kvm_dirty_log { + __u32 slot; + __u32 padding1; + union { + void *dirty_bitmap; /* one bit per page */ + __u64 padding2; + }; +}; + +/* for KVM_SET_SIGNAL_MASK */ +struct kvm_signal_mask { + __u32 len; + __u8 sigset[0]; +}; + +/* for KVM_TPR_ACCESS_REPORTING */ +struct kvm_tpr_access_ctl { + __u32 enabled; + __u32 flags; + __u32 reserved[8]; +}; + +/* for KVM_SET_VAPIC_ADDR */ +struct kvm_vapic_addr { + __u64 vapic_addr; +}; + +/* for KVM_SET_MP_STATE */ + +/* not all states are valid on all architectures */ +#define KVM_MP_STATE_RUNNABLE 0 +#define KVM_MP_STATE_UNINITIALIZED 1 +#define KVM_MP_STATE_INIT_RECEIVED 2 +#define KVM_MP_STATE_HALTED 3 +#define KVM_MP_STATE_SIPI_RECEIVED 4 +#define KVM_MP_STATE_STOPPED 5 +#define KVM_MP_STATE_CHECK_STOP 6 +#define KVM_MP_STATE_OPERATING 7 +#define KVM_MP_STATE_LOAD 8 + +struct kvm_mp_state { + __u32 mp_state; +}; + +struct kvm_s390_psw { + __u64 mask; + __u64 addr; +}; + +/* valid values for type in kvm_s390_interrupt */ +#define KVM_S390_SIGP_STOP 0xfffe0000u +#define KVM_S390_PROGRAM_INT 0xfffe0001u +#define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u +#define KVM_S390_RESTART 0xfffe0003u +#define KVM_S390_INT_PFAULT_INIT 0xfffe0004u +#define KVM_S390_INT_PFAULT_DONE 0xfffe0005u +#define KVM_S390_MCHK 0xfffe1000u +#define KVM_S390_INT_CLOCK_COMP 0xffff1004u +#define KVM_S390_INT_CPU_TIMER 0xffff1005u +#define KVM_S390_INT_VIRTIO 0xffff2603u +#define KVM_S390_INT_SERVICE 0xffff2401u +#define KVM_S390_INT_EMERGENCY 0xffff1201u +#define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u +/* Anything below 0xfffe0000u is taken by INT_IO */ +#define KVM_S390_INT_IO(ai,cssid,ssid,schid) \ + (((schid)) | \ + ((ssid) << 16) | \ + ((cssid) << 18) | \ + ((ai) << 26)) +#define KVM_S390_INT_IO_MIN 0x00000000u +#define KVM_S390_INT_IO_MAX 0xfffdffffu +#define KVM_S390_INT_IO_AI_MASK 0x04000000u + + +struct kvm_s390_interrupt { + __u32 type; + __u32 parm; + __u64 parm64; +}; + +struct kvm_s390_io_info { + __u16 subchannel_id; + __u16 subchannel_nr; + __u32 io_int_parm; + __u32 io_int_word; +}; + +struct kvm_s390_ext_info { + __u32 ext_params; + __u32 pad; + __u64 ext_params2; +}; + +struct kvm_s390_pgm_info { + __u64 trans_exc_code; + __u64 mon_code; + __u64 per_address; + __u32 data_exc_code; + __u16 code; + __u16 mon_class_nr; + __u8 per_code; + __u8 per_atmid; + __u8 exc_access_id; + __u8 per_access_id; + __u8 op_access_id; + __u8 pad[3]; +}; + +struct kvm_s390_prefix_info { + __u32 address; +}; + +struct kvm_s390_extcall_info { + __u16 code; +}; + +struct kvm_s390_emerg_info { + __u16 code; +}; + +#define KVM_S390_STOP_FLAG_STORE_STATUS 0x01 +struct kvm_s390_stop_info { + __u32 flags; +}; + +struct kvm_s390_mchk_info { + __u64 cr14; + __u64 mcic; + __u64 failing_storage_address; + __u32 ext_damage_code; + __u32 pad; + __u8 fixed_logout[16]; +}; + +struct kvm_s390_irq { + __u64 type; + union { + struct kvm_s390_io_info io; + struct kvm_s390_ext_info ext; + struct kvm_s390_pgm_info pgm; + struct kvm_s390_emerg_info emerg; + struct kvm_s390_extcall_info extcall; + struct kvm_s390_prefix_info prefix; + struct kvm_s390_stop_info stop; + struct kvm_s390_mchk_info mchk; + char reserved[64]; + } u; +}; + +struct kvm_s390_irq_state { + __u64 buf; + __u32 flags; + __u32 len; + __u32 reserved[4]; +}; + +/* for KVM_SET_GUEST_DEBUG */ + +#define KVM_GUESTDBG_ENABLE 0x00000001 +#define KVM_GUESTDBG_SINGLESTEP 0x00000002 + +struct kvm_guest_debug { + __u32 control; + __u32 pad; + struct kvm_guest_debug_arch arch; +}; + +enum { + kvm_ioeventfd_flag_nr_datamatch, + kvm_ioeventfd_flag_nr_pio, + kvm_ioeventfd_flag_nr_deassign, + kvm_ioeventfd_flag_nr_virtio_ccw_notify, + kvm_ioeventfd_flag_nr_fast_mmio, + kvm_ioeventfd_flag_nr_max, +}; + +#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch) +#define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) +#define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign) +#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \ + (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify) + +#define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1) + +struct kvm_ioeventfd { + __u64 datamatch; + __u64 addr; /* legal pio/mmio address */ + __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */ + __s32 fd; + __u32 flags; + __u8 pad[36]; +}; + +/* for KVM_ENABLE_CAP */ +struct kvm_enable_cap { + /* in */ + __u32 cap; + __u32 flags; + __u64 args[4]; + __u8 pad[64]; +}; + +/* for KVM_PPC_GET_PVINFO */ +struct kvm_ppc_pvinfo { + /* out */ + __u32 flags; + __u32 hcall[4]; + __u8 pad[108]; +}; + +/* for KVM_PPC_GET_SMMU_INFO */ +#define KVM_PPC_PAGE_SIZES_MAX_SZ 8 + +struct kvm_ppc_one_page_size { + __u32 page_shift; /* Page shift (or 0) */ + __u32 pte_enc; /* Encoding in the HPTE (>>12) */ +}; + +struct kvm_ppc_one_seg_page_size { + __u32 page_shift; /* Base page shift of segment (or 0) */ + __u32 slb_enc; /* SLB encoding for BookS */ + struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ]; +}; + +#define KVM_PPC_PAGE_SIZES_REAL 0x00000001 +#define KVM_PPC_1T_SEGMENTS 0x00000002 + +struct kvm_ppc_smmu_info { + __u64 flags; + __u32 slb_size; + __u32 pad; + struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ]; +}; + +#define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0) + +#define KVMIO 0xAE + +/* machine type bits, to be used as argument to KVM_CREATE_VM */ +#define KVM_VM_S390_UCONTROL 1 + +/* on ppc, 0 indicate default, 1 should force HV and 2 PR */ +#define KVM_VM_PPC_HV 1 +#define KVM_VM_PPC_PR 2 + +#define KVM_S390_SIE_PAGE_OFFSET 1 + +/* + * ioctls for /dev/kvm fds: + */ +#define KVM_GET_API_VERSION _IO(KVMIO, 0x00) +#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ +#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) + +#define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06) +/* + * Check if a kvm extension is available. Argument is extension number, + * return is 1 (yes) or 0 (no, sorry). + */ +#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) +/* + * Get size for mmap(vcpu_fd) + */ +#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ +#define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) +#define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06 +#define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07 +#define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08 +#define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2) + +/* + * Extension capability list. + */ +#define KVM_CAP_IRQCHIP 0 +#define KVM_CAP_HLT 1 +#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 +#define KVM_CAP_USER_MEMORY 3 +#define KVM_CAP_SET_TSS_ADDR 4 +#define KVM_CAP_VAPIC 6 +#define KVM_CAP_EXT_CPUID 7 +#define KVM_CAP_CLOCKSOURCE 8 +#define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */ +#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ +#define KVM_CAP_PIT 11 +#define KVM_CAP_NOP_IO_DELAY 12 +#define KVM_CAP_PV_MMU 13 +#define KVM_CAP_MP_STATE 14 +#define KVM_CAP_COALESCED_MMIO 15 +#define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ +#define KVM_CAP_IOMMU 18 +/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */ +#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21 +#define KVM_CAP_USER_NMI 22 +#ifdef __KVM_HAVE_GUEST_DEBUG +#define KVM_CAP_SET_GUEST_DEBUG 23 +#endif +#ifdef __KVM_HAVE_PIT +#define KVM_CAP_REINJECT_CONTROL 24 +#endif +#define KVM_CAP_IRQ_ROUTING 25 +#define KVM_CAP_IRQ_INJECT_STATUS 26 +#define KVM_CAP_ASSIGN_DEV_IRQ 29 +/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */ +#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30 +#ifdef __KVM_HAVE_MCE +#define KVM_CAP_MCE 31 +#endif +#define KVM_CAP_IRQFD 32 +#ifdef __KVM_HAVE_PIT +#define KVM_CAP_PIT2 33 +#endif +#define KVM_CAP_SET_BOOT_CPU_ID 34 +#ifdef __KVM_HAVE_PIT_STATE2 +#define KVM_CAP_PIT_STATE2 35 +#endif +#define KVM_CAP_IOEVENTFD 36 +#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37 +#ifdef __KVM_HAVE_XEN_HVM +#define KVM_CAP_XEN_HVM 38 +#endif +#define KVM_CAP_ADJUST_CLOCK 39 +#define KVM_CAP_INTERNAL_ERROR_DATA 40 +#ifdef __KVM_HAVE_VCPU_EVENTS +#define KVM_CAP_VCPU_EVENTS 41 +#endif +#define KVM_CAP_S390_PSW 42 +#define KVM_CAP_PPC_SEGSTATE 43 +#define KVM_CAP_HYPERV 44 +#define KVM_CAP_HYPERV_VAPIC 45 +#define KVM_CAP_HYPERV_SPIN 46 +#define KVM_CAP_PCI_SEGMENT 47 +#define KVM_CAP_PPC_PAIRED_SINGLES 48 +#define KVM_CAP_INTR_SHADOW 49 +#ifdef __KVM_HAVE_DEBUGREGS +#define KVM_CAP_DEBUGREGS 50 +#endif +#define KVM_CAP_X86_ROBUST_SINGLESTEP 51 +#define KVM_CAP_PPC_OSI 52 +#define KVM_CAP_PPC_UNSET_IRQ 53 +#define KVM_CAP_ENABLE_CAP 54 +#ifdef __KVM_HAVE_XSAVE +#define KVM_CAP_XSAVE 55 +#endif +#ifdef __KVM_HAVE_XCRS +#define KVM_CAP_XCRS 56 +#endif +#define KVM_CAP_PPC_GET_PVINFO 57 +#define KVM_CAP_PPC_IRQ_LEVEL 58 +#define KVM_CAP_ASYNC_PF 59 +#define KVM_CAP_TSC_CONTROL 60 +#define KVM_CAP_GET_TSC_KHZ 61 +#define KVM_CAP_PPC_BOOKE_SREGS 62 +#define KVM_CAP_SPAPR_TCE 63 +#define KVM_CAP_PPC_SMT 64 +#define KVM_CAP_PPC_RMA 65 +#define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ +#define KVM_CAP_PPC_HIOR 67 +#define KVM_CAP_PPC_PAPR 68 +#define KVM_CAP_SW_TLB 69 +#define KVM_CAP_ONE_REG 70 +#define KVM_CAP_S390_GMAP 71 +#define KVM_CAP_TSC_DEADLINE_TIMER 72 +#define KVM_CAP_S390_UCONTROL 73 +#define KVM_CAP_SYNC_REGS 74 +#define KVM_CAP_PCI_2_3 75 +#define KVM_CAP_KVMCLOCK_CTRL 76 +#define KVM_CAP_SIGNAL_MSI 77 +#define KVM_CAP_PPC_GET_SMMU_INFO 78 +#define KVM_CAP_S390_COW 79 +#define KVM_CAP_PPC_ALLOC_HTAB 80 +#define KVM_CAP_READONLY_MEM 81 +#define KVM_CAP_IRQFD_RESAMPLE 82 +#define KVM_CAP_PPC_BOOKE_WATCHDOG 83 +#define KVM_CAP_PPC_HTAB_FD 84 +#define KVM_CAP_S390_CSS_SUPPORT 85 +#define KVM_CAP_PPC_EPR 86 +#define KVM_CAP_ARM_PSCI 87 +#define KVM_CAP_ARM_SET_DEVICE_ADDR 88 +#define KVM_CAP_DEVICE_CTRL 89 +#define KVM_CAP_IRQ_MPIC 90 +#define KVM_CAP_PPC_RTAS 91 +#define KVM_CAP_IRQ_XICS 92 +#define KVM_CAP_ARM_EL1_32BIT 93 +#define KVM_CAP_SPAPR_MULTITCE 94 +#define KVM_CAP_EXT_EMUL_CPUID 95 +#define KVM_CAP_HYPERV_TIME 96 +#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97 +#define KVM_CAP_ENABLE_CAP_VM 98 +#define KVM_CAP_S390_IRQCHIP 99 +#define KVM_CAP_IOEVENTFD_NO_LENGTH 100 +#define KVM_CAP_VM_ATTRIBUTES 101 +#define KVM_CAP_ARM_PSCI_0_2 102 +#define KVM_CAP_PPC_FIXUP_HCALL 103 +#define KVM_CAP_PPC_ENABLE_HCALL 104 +#define KVM_CAP_CHECK_EXTENSION_VM 105 +#define KVM_CAP_S390_USER_SIGP 106 +#define KVM_CAP_S390_VECTOR_REGISTERS 107 +#define KVM_CAP_S390_MEM_OP 108 +#define KVM_CAP_S390_USER_STSI 109 +#define KVM_CAP_S390_SKEYS 110 +#define KVM_CAP_MIPS_FPU 111 +#define KVM_CAP_MIPS_MSA 112 +#define KVM_CAP_S390_INJECT_IRQ 113 +#define KVM_CAP_S390_IRQ_STATE 114 +#define KVM_CAP_PPC_HWRNG 115 +#define KVM_CAP_DISABLE_QUIRKS 116 +#define KVM_CAP_X86_SMM 117 +#define KVM_CAP_MULTI_ADDRESS_SPACE 118 +#define KVM_CAP_GUEST_DEBUG_HW_BPS 119 +#define KVM_CAP_GUEST_DEBUG_HW_WPS 120 +#define KVM_CAP_SPLIT_IRQCHIP 121 +#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122 + +#ifdef KVM_CAP_IRQ_ROUTING + +struct kvm_irq_routing_irqchip { + __u32 irqchip; + __u32 pin; +}; + +struct kvm_irq_routing_msi { + __u32 address_lo; + __u32 address_hi; + __u32 data; + __u32 pad; +}; + +struct kvm_irq_routing_s390_adapter { + __u64 ind_addr; + __u64 summary_addr; + __u64 ind_offset; + __u32 summary_offset; + __u32 adapter_id; +}; + +/* gsi routing entry types */ +#define KVM_IRQ_ROUTING_IRQCHIP 1 +#define KVM_IRQ_ROUTING_MSI 2 +#define KVM_IRQ_ROUTING_S390_ADAPTER 3 + +struct kvm_irq_routing_entry { + __u32 gsi; + __u32 type; + __u32 flags; + __u32 pad; + union { + struct kvm_irq_routing_irqchip irqchip; + struct kvm_irq_routing_msi msi; + struct kvm_irq_routing_s390_adapter adapter; + __u32 pad[8]; + } u; +}; + +struct kvm_irq_routing { + __u32 nr; + __u32 flags; + struct kvm_irq_routing_entry entries[0]; +}; + +#endif + +#ifdef KVM_CAP_MCE +/* x86 MCE */ +struct kvm_x86_mce { + __u64 status; + __u64 addr; + __u64 misc; + __u64 mcg_status; + __u8 bank; + __u8 pad1[7]; + __u64 pad2[3]; +}; +#endif + +#ifdef KVM_CAP_XEN_HVM +struct kvm_xen_hvm_config { + __u32 flags; + __u32 msr; + __u64 blob_addr_32; + __u64 blob_addr_64; + __u8 blob_size_32; + __u8 blob_size_64; + __u8 pad2[30]; +}; +#endif + +#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0) +/* + * Available with KVM_CAP_IRQFD_RESAMPLE + * + * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies + * the irqfd to operate in resampling mode for level triggered interrupt + * emulation. See Documentation/virtual/kvm/api.txt. + */ +#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1) + +struct kvm_irqfd { + __u32 fd; + __u32 gsi; + __u32 flags; + __u32 resamplefd; + __u8 pad[16]; +}; + +struct kvm_clock_data { + __u64 clock; + __u32 flags; + __u32 pad[9]; +}; + +#define KVM_MMU_FSL_BOOKE_NOHV 0 +#define KVM_MMU_FSL_BOOKE_HV 1 + +struct kvm_config_tlb { + __u64 params; + __u64 array; + __u32 mmu_type; + __u32 array_len; +}; + +struct kvm_dirty_tlb { + __u64 bitmap; + __u32 num_dirty; +}; + +/* Available with KVM_CAP_ONE_REG */ + +#define KVM_REG_ARCH_MASK 0xff00000000000000ULL +#define KVM_REG_GENERIC 0x0000000000000000ULL + +/* + * Architecture specific registers are to be defined in arch headers and + * ORed with the arch identifier. + */ +#define KVM_REG_PPC 0x1000000000000000ULL +#define KVM_REG_X86 0x2000000000000000ULL +#define KVM_REG_IA64 0x3000000000000000ULL +#define KVM_REG_ARM 0x4000000000000000ULL +#define KVM_REG_S390 0x5000000000000000ULL +#define KVM_REG_ARM64 0x6000000000000000ULL +#define KVM_REG_MIPS 0x7000000000000000ULL + +#define KVM_REG_SIZE_SHIFT 52 +#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL +#define KVM_REG_SIZE_U8 0x0000000000000000ULL +#define KVM_REG_SIZE_U16 0x0010000000000000ULL +#define KVM_REG_SIZE_U32 0x0020000000000000ULL +#define KVM_REG_SIZE_U64 0x0030000000000000ULL +#define KVM_REG_SIZE_U128 0x0040000000000000ULL +#define KVM_REG_SIZE_U256 0x0050000000000000ULL +#define KVM_REG_SIZE_U512 0x0060000000000000ULL +#define KVM_REG_SIZE_U1024 0x0070000000000000ULL + +struct kvm_reg_list { + __u64 n; /* number of regs */ + __u64 reg[0]; +}; + +struct kvm_one_reg { + __u64 id; + __u64 addr; +}; + +struct kvm_msi { + __u32 address_lo; + __u32 address_hi; + __u32 data; + __u32 flags; + __u8 pad[16]; +}; + +struct kvm_arm_device_addr { + __u64 id; + __u64 addr; +}; + +/* + * Device control API, available with KVM_CAP_DEVICE_CTRL + */ +#define KVM_CREATE_DEVICE_TEST 1 + +struct kvm_create_device { + __u32 type; /* in: KVM_DEV_TYPE_xxx */ + __u32 fd; /* out: device handle */ + __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */ +}; + +struct kvm_device_attr { + __u32 flags; /* no flags currently defined */ + __u32 group; /* device-defined */ + __u64 attr; /* group-defined */ + __u64 addr; /* userspace address of attr data */ +}; + +#define KVM_DEV_VFIO_GROUP 1 +#define KVM_DEV_VFIO_GROUP_ADD 1 +#define KVM_DEV_VFIO_GROUP_DEL 2 + +enum kvm_device_type { + KVM_DEV_TYPE_FSL_MPIC_20 = 1, +#define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20 + KVM_DEV_TYPE_FSL_MPIC_42, +#define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42 + KVM_DEV_TYPE_XICS, +#define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS + KVM_DEV_TYPE_VFIO, +#define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO + KVM_DEV_TYPE_ARM_VGIC_V2, +#define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2 + KVM_DEV_TYPE_FLIC, +#define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC + KVM_DEV_TYPE_ARM_VGIC_V3, +#define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3 + KVM_DEV_TYPE_MAX, +}; + +/* + * ioctls for VM fds + */ +#define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region) +/* + * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns + * a vcpu fd. + */ +#define KVM_CREATE_VCPU _IO(KVMIO, 0x41) +#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) +/* KVM_SET_MEMORY_ALIAS is obsolete: */ +#define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias) +#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) +#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) +#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \ + struct kvm_userspace_memory_region) +#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) +#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64) + +/* enable ucontrol for s390 */ +struct kvm_s390_ucas_mapping { + __u64 user_addr; + __u64 vcpu_addr; + __u64 length; +}; +#define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping) +#define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping) +#define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long) + +/* Device model IOC */ +#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) +#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) +#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) +#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) +#define KVM_CREATE_PIT _IO(KVMIO, 0x64) +#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) +#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) +#define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level) +#define KVM_REGISTER_COALESCED_MMIO \ + _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) +#define KVM_UNREGISTER_COALESCED_MMIO \ + _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) +#define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \ + struct kvm_assigned_pci_dev) +#define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing) +/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */ +#define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70 +#define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq) +#define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71) +#define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \ + struct kvm_assigned_pci_dev) +#define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \ + struct kvm_assigned_msix_nr) +#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \ + struct kvm_assigned_msix_entry) +#define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq) +#define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd) +#define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config) +#define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78) +#define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd) +#define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config) +#define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data) +#define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data) +/* Available with KVM_CAP_PIT_STATE2 */ +#define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2) +#define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) +/* Available with KVM_CAP_PPC_GET_PVINFO */ +#define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo) +/* Available with KVM_CAP_TSC_CONTROL */ +#define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2) +#define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3) +/* Available with KVM_CAP_PCI_2_3 */ +#define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \ + struct kvm_assigned_pci_dev) +/* Available with KVM_CAP_SIGNAL_MSI */ +#define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi) +/* Available with KVM_CAP_PPC_GET_SMMU_INFO */ +#define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info) +/* Available with KVM_CAP_PPC_ALLOC_HTAB */ +#define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32) +#define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce) +/* Available with KVM_CAP_RMA */ +#define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma) +/* Available with KVM_CAP_PPC_HTAB_FD */ +#define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd) +/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */ +#define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) +/* Available with KVM_CAP_PPC_RTAS */ +#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) + +/* ioctl for vm fd */ +#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) + +/* ioctls for fds returned by KVM_CREATE_DEVICE */ +#define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr) +#define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr) +#define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr) + +/* + * ioctls for vcpu fds + */ +#define KVM_RUN _IO(KVMIO, 0x80) +#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) +#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) +#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) +#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) +#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) +#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) +/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */ +#define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87 +#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) +#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) +#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) +#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) +#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) +#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) +#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) +#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) +#define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) +#define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) +/* Available with KVM_CAP_VAPIC */ +#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) +/* Available with KVM_CAP_VAPIC */ +#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) +/* valid for virtual machine (for floating interrupt)_and_ vcpu */ +#define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt) +/* store status for s390 */ +#define KVM_S390_STORE_STATUS_NOADDR (-1ul) +#define KVM_S390_STORE_STATUS_PREFIXED (-2ul) +#define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long) +/* initial ipl psw for s390 */ +#define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw) +/* initial reset for s390 */ +#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97) +#define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) +#define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) +/* Available with KVM_CAP_USER_NMI */ +#define KVM_NMI _IO(KVMIO, 0x9a) +/* Available with KVM_CAP_SET_GUEST_DEBUG */ +#define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug) +/* MCE for x86 */ +#define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64) +#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64) +#define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce) +/* Available with KVM_CAP_VCPU_EVENTS */ +#define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events) +#define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events) +/* Available with KVM_CAP_DEBUGREGS */ +#define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs) +#define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs) +/* + * vcpu version available with KVM_ENABLE_CAP + * vm version available with KVM_CAP_ENABLE_CAP_VM + */ +#define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap) +/* Available with KVM_CAP_XSAVE */ +#define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave) +#define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave) +/* Available with KVM_CAP_XCRS */ +#define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs) +#define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs) +/* Available with KVM_CAP_SW_TLB */ +#define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb) +/* Available with KVM_CAP_ONE_REG */ +#define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg) +#define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg) +/* VM is being stopped by host */ +#define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad) +#define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init) +#define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init) +#define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list) +/* Available with KVM_CAP_S390_MEM_OP */ +#define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op) +/* Available with KVM_CAP_S390_SKEYS */ +#define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys) +#define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys) +/* Available with KVM_CAP_S390_INJECT_IRQ */ +#define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq) +/* Available with KVM_CAP_S390_IRQ_STATE */ +#define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) +#define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) +/* Available with KVM_CAP_X86_SMM */ +#define KVM_SMI _IO(KVMIO, 0xb7) + +#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) +#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1) +#define KVM_DEV_ASSIGN_MASK_INTX (1 << 2) + +struct kvm_assigned_pci_dev { + __u32 assigned_dev_id; + __u32 busnr; + __u32 devfn; + __u32 flags; + __u32 segnr; + union { + __u32 reserved[11]; + }; +}; + +#define KVM_DEV_IRQ_HOST_INTX (1 << 0) +#define KVM_DEV_IRQ_HOST_MSI (1 << 1) +#define KVM_DEV_IRQ_HOST_MSIX (1 << 2) + +#define KVM_DEV_IRQ_GUEST_INTX (1 << 8) +#define KVM_DEV_IRQ_GUEST_MSI (1 << 9) +#define KVM_DEV_IRQ_GUEST_MSIX (1 << 10) + +#define KVM_DEV_IRQ_HOST_MASK 0x00ff +#define KVM_DEV_IRQ_GUEST_MASK 0xff00 + +struct kvm_assigned_irq { + __u32 assigned_dev_id; + __u32 host_irq; /* ignored (legacy field) */ + __u32 guest_irq; + __u32 flags; + union { + __u32 reserved[12]; + }; +}; + +struct kvm_assigned_msix_nr { + __u32 assigned_dev_id; + __u16 entry_nr; + __u16 padding; +}; + +#define KVM_MAX_MSIX_PER_DEV 256 +struct kvm_assigned_msix_entry { + __u32 assigned_dev_id; + __u32 gsi; + __u16 entry; /* The index of entry in the MSI-X table */ + __u16 padding[3]; +}; + +#endif /* __LINUX_KVM_H */ diff --git a/src/linux-headers/linux/kvm_para.h b/src/linux-headers/linux/kvm_para.h new file mode 100644 index 0000000..e61661e --- /dev/null +++ b/src/linux-headers/linux/kvm_para.h @@ -0,0 +1,32 @@ +#ifndef __LINUX_KVM_PARA_H +#define __LINUX_KVM_PARA_H + +/* + * This header file provides a method for making a hypercall to the host + * Architectures should define: + * - kvm_hypercall0, kvm_hypercall1... + * - kvm_arch_para_features + * - kvm_para_available + */ + +/* Return values for hypercalls */ +#define KVM_ENOSYS 1000 +#define KVM_EFAULT EFAULT +#define KVM_E2BIG E2BIG +#define KVM_EPERM EPERM + +#define KVM_HC_VAPIC_POLL_IRQ 1 +#define KVM_HC_MMU_OP 2 +#define KVM_HC_FEATURES 3 +#define KVM_HC_PPC_MAP_MAGIC_PAGE 4 +#define KVM_HC_KICK_CPU 5 +#define KVM_HC_MIPS_GET_CLOCK_FREQ 6 +#define KVM_HC_MIPS_EXIT_VM 7 +#define KVM_HC_MIPS_CONSOLE_OUTPUT 8 + +/* + * hypercalls use architecture specific + */ +#include <asm/kvm_para.h> + +#endif /* __LINUX_KVM_PARA_H */ diff --git a/src/linux-headers/linux/psci.h b/src/linux-headers/linux/psci.h new file mode 100644 index 0000000..5a76763 --- /dev/null +++ b/src/linux-headers/linux/psci.h @@ -0,0 +1,90 @@ +/* + * ARM Power State and Coordination Interface (PSCI) header + * + * This header holds common PSCI defines and macros shared + * by: ARM kernel, ARM64 kernel, KVM ARM/ARM64 and user space. + * + * Copyright (C) 2014 Linaro Ltd. + * Author: Anup Patel <anup.patel@linaro.org> + */ + +#ifndef _LINUX_PSCI_H +#define _LINUX_PSCI_H + +/* + * PSCI v0.1 interface + * + * The PSCI v0.1 function numbers are implementation defined. + * + * Only PSCI return values such as: SUCCESS, NOT_SUPPORTED, + * INVALID_PARAMS, and DENIED defined below are applicable + * to PSCI v0.1. + */ + +/* PSCI v0.2 interface */ +#define PSCI_0_2_FN_BASE 0x84000000 +#define PSCI_0_2_FN(n) (PSCI_0_2_FN_BASE + (n)) +#define PSCI_0_2_64BIT 0x40000000 +#define PSCI_0_2_FN64_BASE \ + (PSCI_0_2_FN_BASE + PSCI_0_2_64BIT) +#define PSCI_0_2_FN64(n) (PSCI_0_2_FN64_BASE + (n)) + +#define PSCI_0_2_FN_PSCI_VERSION PSCI_0_2_FN(0) +#define PSCI_0_2_FN_CPU_SUSPEND PSCI_0_2_FN(1) +#define PSCI_0_2_FN_CPU_OFF PSCI_0_2_FN(2) +#define PSCI_0_2_FN_CPU_ON PSCI_0_2_FN(3) +#define PSCI_0_2_FN_AFFINITY_INFO PSCI_0_2_FN(4) +#define PSCI_0_2_FN_MIGRATE PSCI_0_2_FN(5) +#define PSCI_0_2_FN_MIGRATE_INFO_TYPE PSCI_0_2_FN(6) +#define PSCI_0_2_FN_MIGRATE_INFO_UP_CPU PSCI_0_2_FN(7) +#define PSCI_0_2_FN_SYSTEM_OFF PSCI_0_2_FN(8) +#define PSCI_0_2_FN_SYSTEM_RESET PSCI_0_2_FN(9) + +#define PSCI_0_2_FN64_CPU_SUSPEND PSCI_0_2_FN64(1) +#define PSCI_0_2_FN64_CPU_ON PSCI_0_2_FN64(3) +#define PSCI_0_2_FN64_AFFINITY_INFO PSCI_0_2_FN64(4) +#define PSCI_0_2_FN64_MIGRATE PSCI_0_2_FN64(5) +#define PSCI_0_2_FN64_MIGRATE_INFO_UP_CPU PSCI_0_2_FN64(7) + +/* PSCI v0.2 power state encoding for CPU_SUSPEND function */ +#define PSCI_0_2_POWER_STATE_ID_MASK 0xffff +#define PSCI_0_2_POWER_STATE_ID_SHIFT 0 +#define PSCI_0_2_POWER_STATE_TYPE_SHIFT 16 +#define PSCI_0_2_POWER_STATE_TYPE_MASK \ + (0x1 << PSCI_0_2_POWER_STATE_TYPE_SHIFT) +#define PSCI_0_2_POWER_STATE_AFFL_SHIFT 24 +#define PSCI_0_2_POWER_STATE_AFFL_MASK \ + (0x3 << PSCI_0_2_POWER_STATE_AFFL_SHIFT) + +/* PSCI v0.2 affinity level state returned by AFFINITY_INFO */ +#define PSCI_0_2_AFFINITY_LEVEL_ON 0 +#define PSCI_0_2_AFFINITY_LEVEL_OFF 1 +#define PSCI_0_2_AFFINITY_LEVEL_ON_PENDING 2 + +/* PSCI v0.2 multicore support in Trusted OS returned by MIGRATE_INFO_TYPE */ +#define PSCI_0_2_TOS_UP_MIGRATE 0 +#define PSCI_0_2_TOS_UP_NO_MIGRATE 1 +#define PSCI_0_2_TOS_MP 2 + +/* PSCI version decoding (independent of PSCI version) */ +#define PSCI_VERSION_MAJOR_SHIFT 16 +#define PSCI_VERSION_MINOR_MASK \ + ((1U << PSCI_VERSION_MAJOR_SHIFT) - 1) +#define PSCI_VERSION_MAJOR_MASK ~PSCI_VERSION_MINOR_MASK +#define PSCI_VERSION_MAJOR(ver) \ + (((ver) & PSCI_VERSION_MAJOR_MASK) >> PSCI_VERSION_MAJOR_SHIFT) +#define PSCI_VERSION_MINOR(ver) \ + ((ver) & PSCI_VERSION_MINOR_MASK) + +/* PSCI return values (inclusive of all PSCI versions) */ +#define PSCI_RET_SUCCESS 0 +#define PSCI_RET_NOT_SUPPORTED -1 +#define PSCI_RET_INVALID_PARAMS -2 +#define PSCI_RET_DENIED -3 +#define PSCI_RET_ALREADY_ON -4 +#define PSCI_RET_ON_PENDING -5 +#define PSCI_RET_INTERNAL_FAILURE -6 +#define PSCI_RET_NOT_PRESENT -7 +#define PSCI_RET_DISABLED -8 + +#endif /* _LINUX_PSCI_H */ diff --git a/src/linux-headers/linux/userfaultfd.h b/src/linux-headers/linux/userfaultfd.h new file mode 100644 index 0000000..9057d7a --- /dev/null +++ b/src/linux-headers/linux/userfaultfd.h @@ -0,0 +1,167 @@ +/* + * include/linux/userfaultfd.h + * + * Copyright (C) 2007 Davide Libenzi <davidel@xmailserver.org> + * Copyright (C) 2015 Red Hat, Inc. + * + */ + +#ifndef _LINUX_USERFAULTFD_H +#define _LINUX_USERFAULTFD_H + +#include <linux/types.h> + +#define UFFD_API ((__u64)0xAA) +/* + * After implementing the respective features it will become: + * #define UFFD_API_FEATURES (UFFD_FEATURE_PAGEFAULT_FLAG_WP | \ + * UFFD_FEATURE_EVENT_FORK) + */ +#define UFFD_API_FEATURES (0) +#define UFFD_API_IOCTLS \ + ((__u64)1 << _UFFDIO_REGISTER | \ + (__u64)1 << _UFFDIO_UNREGISTER | \ + (__u64)1 << _UFFDIO_API) +#define UFFD_API_RANGE_IOCTLS \ + ((__u64)1 << _UFFDIO_WAKE | \ + (__u64)1 << _UFFDIO_COPY | \ + (__u64)1 << _UFFDIO_ZEROPAGE) + +/* + * Valid ioctl command number range with this API is from 0x00 to + * 0x3F. UFFDIO_API is the fixed number, everything else can be + * changed by implementing a different UFFD_API. If sticking to the + * same UFFD_API more ioctl can be added and userland will be aware of + * which ioctl the running kernel implements through the ioctl command + * bitmask written by the UFFDIO_API. + */ +#define _UFFDIO_REGISTER (0x00) +#define _UFFDIO_UNREGISTER (0x01) +#define _UFFDIO_WAKE (0x02) +#define _UFFDIO_COPY (0x03) +#define _UFFDIO_ZEROPAGE (0x04) +#define _UFFDIO_API (0x3F) + +/* userfaultfd ioctl ids */ +#define UFFDIO 0xAA +#define UFFDIO_API _IOWR(UFFDIO, _UFFDIO_API, \ + struct uffdio_api) +#define UFFDIO_REGISTER _IOWR(UFFDIO, _UFFDIO_REGISTER, \ + struct uffdio_register) +#define UFFDIO_UNREGISTER _IOR(UFFDIO, _UFFDIO_UNREGISTER, \ + struct uffdio_range) +#define UFFDIO_WAKE _IOR(UFFDIO, _UFFDIO_WAKE, \ + struct uffdio_range) +#define UFFDIO_COPY _IOWR(UFFDIO, _UFFDIO_COPY, \ + struct uffdio_copy) +#define UFFDIO_ZEROPAGE _IOWR(UFFDIO, _UFFDIO_ZEROPAGE, \ + struct uffdio_zeropage) + +/* read() structure */ +struct uffd_msg { + __u8 event; + + __u8 reserved1; + __u16 reserved2; + __u32 reserved3; + + union { + struct { + __u64 flags; + __u64 address; + } pagefault; + + struct { + /* unused reserved fields */ + __u64 reserved1; + __u64 reserved2; + __u64 reserved3; + } reserved; + } arg; +} __packed; + +/* + * Start at 0x12 and not at 0 to be more strict against bugs. + */ +#define UFFD_EVENT_PAGEFAULT 0x12 +#if 0 /* not available yet */ +#define UFFD_EVENT_FORK 0x13 +#endif + +/* flags for UFFD_EVENT_PAGEFAULT */ +#define UFFD_PAGEFAULT_FLAG_WRITE (1<<0) /* If this was a write fault */ +#define UFFD_PAGEFAULT_FLAG_WP (1<<1) /* If reason is VM_UFFD_WP */ + +struct uffdio_api { + /* userland asks for an API number and the features to enable */ + __u64 api; + /* + * Kernel answers below with the all available features for + * the API, this notifies userland of which events and/or + * which flags for each event are enabled in the current + * kernel. + * + * Note: UFFD_EVENT_PAGEFAULT and UFFD_PAGEFAULT_FLAG_WRITE + * are to be considered implicitly always enabled in all kernels as + * long as the uffdio_api.api requested matches UFFD_API. + */ +#if 0 /* not available yet */ +#define UFFD_FEATURE_PAGEFAULT_FLAG_WP (1<<0) +#define UFFD_FEATURE_EVENT_FORK (1<<1) +#endif + __u64 features; + + __u64 ioctls; +}; + +struct uffdio_range { + __u64 start; + __u64 len; +}; + +struct uffdio_register { + struct uffdio_range range; +#define UFFDIO_REGISTER_MODE_MISSING ((__u64)1<<0) +#define UFFDIO_REGISTER_MODE_WP ((__u64)1<<1) + __u64 mode; + + /* + * kernel answers which ioctl commands are available for the + * range, keep at the end as the last 8 bytes aren't read. + */ + __u64 ioctls; +}; + +struct uffdio_copy { + __u64 dst; + __u64 src; + __u64 len; + /* + * There will be a wrprotection flag later that allows to map + * pages wrprotected on the fly. And such a flag will be + * available if the wrprotection ioctl are implemented for the + * range according to the uffdio_register.ioctls. + */ +#define UFFDIO_COPY_MODE_DONTWAKE ((__u64)1<<0) + __u64 mode; + + /* + * "copy" is written by the ioctl and must be at the end: the + * copy_from_user will not read the last 8 bytes. + */ + __s64 copy; +}; + +struct uffdio_zeropage { + struct uffdio_range range; +#define UFFDIO_ZEROPAGE_MODE_DONTWAKE ((__u64)1<<0) + __u64 mode; + + /* + * "zeropage" is written by the ioctl and must be at the end: + * the copy_from_user will not read the last 8 bytes. + */ + __s64 zeropage; +}; + +#endif /* _LINUX_USERFAULTFD_H */ diff --git a/src/linux-headers/linux/vfio.h b/src/linux-headers/linux/vfio.h new file mode 100644 index 0000000..aa276bc --- /dev/null +++ b/src/linux-headers/linux/vfio.h @@ -0,0 +1,594 @@ +/* + * VFIO API definition + * + * Copyright (C) 2012 Red Hat, Inc. All rights reserved. + * Author: Alex Williamson <alex.williamson@redhat.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef VFIO_H +#define VFIO_H + +#include <linux/types.h> +#include <linux/ioctl.h> + +#define VFIO_API_VERSION 0 + + +/* Kernel & User level defines for VFIO IOCTLs. */ + +/* Extensions */ + +#define VFIO_TYPE1_IOMMU 1 +#define VFIO_SPAPR_TCE_IOMMU 2 +#define VFIO_TYPE1v2_IOMMU 3 +/* + * IOMMU enforces DMA cache coherence (ex. PCIe NoSnoop stripping). This + * capability is subject to change as groups are added or removed. + */ +#define VFIO_DMA_CC_IOMMU 4 + +/* Check if EEH is supported */ +#define VFIO_EEH 5 + +/* Two-stage IOMMU */ +#define VFIO_TYPE1_NESTING_IOMMU 6 /* Implies v2 */ + +#define VFIO_SPAPR_TCE_v2_IOMMU 7 + +/* + * The IOCTL interface is designed for extensibility by embedding the + * structure length (argsz) and flags into structures passed between + * kernel and userspace. We therefore use the _IO() macro for these + * defines to avoid implicitly embedding a size into the ioctl request. + * As structure fields are added, argsz will increase to match and flag + * bits will be defined to indicate additional fields with valid data. + * It's *always* the caller's responsibility to indicate the size of + * the structure passed by setting argsz appropriately. + */ + +#define VFIO_TYPE (';') +#define VFIO_BASE 100 + +/* -------- IOCTLs for VFIO file descriptor (/dev/vfio/vfio) -------- */ + +/** + * VFIO_GET_API_VERSION - _IO(VFIO_TYPE, VFIO_BASE + 0) + * + * Report the version of the VFIO API. This allows us to bump the entire + * API version should we later need to add or change features in incompatible + * ways. + * Return: VFIO_API_VERSION + * Availability: Always + */ +#define VFIO_GET_API_VERSION _IO(VFIO_TYPE, VFIO_BASE + 0) + +/** + * VFIO_CHECK_EXTENSION - _IOW(VFIO_TYPE, VFIO_BASE + 1, __u32) + * + * Check whether an extension is supported. + * Return: 0 if not supported, 1 (or some other positive integer) if supported. + * Availability: Always + */ +#define VFIO_CHECK_EXTENSION _IO(VFIO_TYPE, VFIO_BASE + 1) + +/** + * VFIO_SET_IOMMU - _IOW(VFIO_TYPE, VFIO_BASE + 2, __s32) + * + * Set the iommu to the given type. The type must be supported by an + * iommu driver as verified by calling CHECK_EXTENSION using the same + * type. A group must be set to this file descriptor before this + * ioctl is available. The IOMMU interfaces enabled by this call are + * specific to the value set. + * Return: 0 on success, -errno on failure + * Availability: When VFIO group attached + */ +#define VFIO_SET_IOMMU _IO(VFIO_TYPE, VFIO_BASE + 2) + +/* -------- IOCTLs for GROUP file descriptors (/dev/vfio/$GROUP) -------- */ + +/** + * VFIO_GROUP_GET_STATUS - _IOR(VFIO_TYPE, VFIO_BASE + 3, + * struct vfio_group_status) + * + * Retrieve information about the group. Fills in provided + * struct vfio_group_info. Caller sets argsz. + * Return: 0 on succes, -errno on failure. + * Availability: Always + */ +struct vfio_group_status { + __u32 argsz; + __u32 flags; +#define VFIO_GROUP_FLAGS_VIABLE (1 << 0) +#define VFIO_GROUP_FLAGS_CONTAINER_SET (1 << 1) +}; +#define VFIO_GROUP_GET_STATUS _IO(VFIO_TYPE, VFIO_BASE + 3) + +/** + * VFIO_GROUP_SET_CONTAINER - _IOW(VFIO_TYPE, VFIO_BASE + 4, __s32) + * + * Set the container for the VFIO group to the open VFIO file + * descriptor provided. Groups may only belong to a single + * container. Containers may, at their discretion, support multiple + * groups. Only when a container is set are all of the interfaces + * of the VFIO file descriptor and the VFIO group file descriptor + * available to the user. + * Return: 0 on success, -errno on failure. + * Availability: Always + */ +#define VFIO_GROUP_SET_CONTAINER _IO(VFIO_TYPE, VFIO_BASE + 4) + +/** + * VFIO_GROUP_UNSET_CONTAINER - _IO(VFIO_TYPE, VFIO_BASE + 5) + * + * Remove the group from the attached container. This is the + * opposite of the SET_CONTAINER call and returns the group to + * an initial state. All device file descriptors must be released + * prior to calling this interface. When removing the last group + * from a container, the IOMMU will be disabled and all state lost, + * effectively also returning the VFIO file descriptor to an initial + * state. + * Return: 0 on success, -errno on failure. + * Availability: When attached to container + */ +#define VFIO_GROUP_UNSET_CONTAINER _IO(VFIO_TYPE, VFIO_BASE + 5) + +/** + * VFIO_GROUP_GET_DEVICE_FD - _IOW(VFIO_TYPE, VFIO_BASE + 6, char) + * + * Return a new file descriptor for the device object described by + * the provided string. The string should match a device listed in + * the devices subdirectory of the IOMMU group sysfs entry. The + * group containing the device must already be added to this context. + * Return: new file descriptor on success, -errno on failure. + * Availability: When attached to container + */ +#define VFIO_GROUP_GET_DEVICE_FD _IO(VFIO_TYPE, VFIO_BASE + 6) + +/* --------------- IOCTLs for DEVICE file descriptors --------------- */ + +/** + * VFIO_DEVICE_GET_INFO - _IOR(VFIO_TYPE, VFIO_BASE + 7, + * struct vfio_device_info) + * + * Retrieve information about the device. Fills in provided + * struct vfio_device_info. Caller sets argsz. + * Return: 0 on success, -errno on failure. + */ +struct vfio_device_info { + __u32 argsz; + __u32 flags; +#define VFIO_DEVICE_FLAGS_RESET (1 << 0) /* Device supports reset */ +#define VFIO_DEVICE_FLAGS_PCI (1 << 1) /* vfio-pci device */ +#define VFIO_DEVICE_FLAGS_PLATFORM (1 << 2) /* vfio-platform device */ +#define VFIO_DEVICE_FLAGS_AMBA (1 << 3) /* vfio-amba device */ + __u32 num_regions; /* Max region index + 1 */ + __u32 num_irqs; /* Max IRQ index + 1 */ +}; +#define VFIO_DEVICE_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 7) + +/** + * VFIO_DEVICE_GET_REGION_INFO - _IOWR(VFIO_TYPE, VFIO_BASE + 8, + * struct vfio_region_info) + * + * Retrieve information about a device region. Caller provides + * struct vfio_region_info with index value set. Caller sets argsz. + * Implementation of region mapping is bus driver specific. This is + * intended to describe MMIO, I/O port, as well as bus specific + * regions (ex. PCI config space). Zero sized regions may be used + * to describe unimplemented regions (ex. unimplemented PCI BARs). + * Return: 0 on success, -errno on failure. + */ +struct vfio_region_info { + __u32 argsz; + __u32 flags; +#define VFIO_REGION_INFO_FLAG_READ (1 << 0) /* Region supports read */ +#define VFIO_REGION_INFO_FLAG_WRITE (1 << 1) /* Region supports write */ +#define VFIO_REGION_INFO_FLAG_MMAP (1 << 2) /* Region supports mmap */ + __u32 index; /* Region index */ + __u32 resv; /* Reserved for alignment */ + __u64 size; /* Region size (bytes) */ + __u64 offset; /* Region offset from start of device fd */ +}; +#define VFIO_DEVICE_GET_REGION_INFO _IO(VFIO_TYPE, VFIO_BASE + 8) + +/** + * VFIO_DEVICE_GET_IRQ_INFO - _IOWR(VFIO_TYPE, VFIO_BASE + 9, + * struct vfio_irq_info) + * + * Retrieve information about a device IRQ. Caller provides + * struct vfio_irq_info with index value set. Caller sets argsz. + * Implementation of IRQ mapping is bus driver specific. Indexes + * using multiple IRQs are primarily intended to support MSI-like + * interrupt blocks. Zero count irq blocks may be used to describe + * unimplemented interrupt types. + * + * The EVENTFD flag indicates the interrupt index supports eventfd based + * signaling. + * + * The MASKABLE flags indicates the index supports MASK and UNMASK + * actions described below. + * + * AUTOMASKED indicates that after signaling, the interrupt line is + * automatically masked by VFIO and the user needs to unmask the line + * to receive new interrupts. This is primarily intended to distinguish + * level triggered interrupts. + * + * The NORESIZE flag indicates that the interrupt lines within the index + * are setup as a set and new subindexes cannot be enabled without first + * disabling the entire index. This is used for interrupts like PCI MSI + * and MSI-X where the driver may only use a subset of the available + * indexes, but VFIO needs to enable a specific number of vectors + * upfront. In the case of MSI-X, where the user can enable MSI-X and + * then add and unmask vectors, it's up to userspace to make the decision + * whether to allocate the maximum supported number of vectors or tear + * down setup and incrementally increase the vectors as each is enabled. + */ +struct vfio_irq_info { + __u32 argsz; + __u32 flags; +#define VFIO_IRQ_INFO_EVENTFD (1 << 0) +#define VFIO_IRQ_INFO_MASKABLE (1 << 1) +#define VFIO_IRQ_INFO_AUTOMASKED (1 << 2) +#define VFIO_IRQ_INFO_NORESIZE (1 << 3) + __u32 index; /* IRQ index */ + __u32 count; /* Number of IRQs within this index */ +}; +#define VFIO_DEVICE_GET_IRQ_INFO _IO(VFIO_TYPE, VFIO_BASE + 9) + +/** + * VFIO_DEVICE_SET_IRQS - _IOW(VFIO_TYPE, VFIO_BASE + 10, struct vfio_irq_set) + * + * Set signaling, masking, and unmasking of interrupts. Caller provides + * struct vfio_irq_set with all fields set. 'start' and 'count' indicate + * the range of subindexes being specified. + * + * The DATA flags specify the type of data provided. If DATA_NONE, the + * operation performs the specified action immediately on the specified + * interrupt(s). For example, to unmask AUTOMASKED interrupt [0,0]: + * flags = (DATA_NONE|ACTION_UNMASK), index = 0, start = 0, count = 1. + * + * DATA_BOOL allows sparse support for the same on arrays of interrupts. + * For example, to mask interrupts [0,1] and [0,3] (but not [0,2]): + * flags = (DATA_BOOL|ACTION_MASK), index = 0, start = 1, count = 3, + * data = {1,0,1} + * + * DATA_EVENTFD binds the specified ACTION to the provided __s32 eventfd. + * A value of -1 can be used to either de-assign interrupts if already + * assigned or skip un-assigned interrupts. For example, to set an eventfd + * to be trigger for interrupts [0,0] and [0,2]: + * flags = (DATA_EVENTFD|ACTION_TRIGGER), index = 0, start = 0, count = 3, + * data = {fd1, -1, fd2} + * If index [0,1] is previously set, two count = 1 ioctls calls would be + * required to set [0,0] and [0,2] without changing [0,1]. + * + * Once a signaling mechanism is set, DATA_BOOL or DATA_NONE can be used + * with ACTION_TRIGGER to perform kernel level interrupt loopback testing + * from userspace (ie. simulate hardware triggering). + * + * Setting of an event triggering mechanism to userspace for ACTION_TRIGGER + * enables the interrupt index for the device. Individual subindex interrupts + * can be disabled using the -1 value for DATA_EVENTFD or the index can be + * disabled as a whole with: flags = (DATA_NONE|ACTION_TRIGGER), count = 0. + * + * Note that ACTION_[UN]MASK specify user->kernel signaling (irqfds) while + * ACTION_TRIGGER specifies kernel->user signaling. + */ +struct vfio_irq_set { + __u32 argsz; + __u32 flags; +#define VFIO_IRQ_SET_DATA_NONE (1 << 0) /* Data not present */ +#define VFIO_IRQ_SET_DATA_BOOL (1 << 1) /* Data is bool (u8) */ +#define VFIO_IRQ_SET_DATA_EVENTFD (1 << 2) /* Data is eventfd (s32) */ +#define VFIO_IRQ_SET_ACTION_MASK (1 << 3) /* Mask interrupt */ +#define VFIO_IRQ_SET_ACTION_UNMASK (1 << 4) /* Unmask interrupt */ +#define VFIO_IRQ_SET_ACTION_TRIGGER (1 << 5) /* Trigger interrupt */ + __u32 index; + __u32 start; + __u32 count; + __u8 data[]; +}; +#define VFIO_DEVICE_SET_IRQS _IO(VFIO_TYPE, VFIO_BASE + 10) + +#define VFIO_IRQ_SET_DATA_TYPE_MASK (VFIO_IRQ_SET_DATA_NONE | \ + VFIO_IRQ_SET_DATA_BOOL | \ + VFIO_IRQ_SET_DATA_EVENTFD) +#define VFIO_IRQ_SET_ACTION_TYPE_MASK (VFIO_IRQ_SET_ACTION_MASK | \ + VFIO_IRQ_SET_ACTION_UNMASK | \ + VFIO_IRQ_SET_ACTION_TRIGGER) +/** + * VFIO_DEVICE_RESET - _IO(VFIO_TYPE, VFIO_BASE + 11) + * + * Reset a device. + */ +#define VFIO_DEVICE_RESET _IO(VFIO_TYPE, VFIO_BASE + 11) + +/* + * The VFIO-PCI bus driver makes use of the following fixed region and + * IRQ index mapping. Unimplemented regions return a size of zero. + * Unimplemented IRQ types return a count of zero. + */ + +enum { + VFIO_PCI_BAR0_REGION_INDEX, + VFIO_PCI_BAR1_REGION_INDEX, + VFIO_PCI_BAR2_REGION_INDEX, + VFIO_PCI_BAR3_REGION_INDEX, + VFIO_PCI_BAR4_REGION_INDEX, + VFIO_PCI_BAR5_REGION_INDEX, + VFIO_PCI_ROM_REGION_INDEX, + VFIO_PCI_CONFIG_REGION_INDEX, + /* + * Expose VGA regions defined for PCI base class 03, subclass 00. + * This includes I/O port ranges 0x3b0 to 0x3bb and 0x3c0 to 0x3df + * as well as the MMIO range 0xa0000 to 0xbffff. Each implemented + * range is found at it's identity mapped offset from the region + * offset, for example 0x3b0 is region_info.offset + 0x3b0. Areas + * between described ranges are unimplemented. + */ + VFIO_PCI_VGA_REGION_INDEX, + VFIO_PCI_NUM_REGIONS +}; + +enum { + VFIO_PCI_INTX_IRQ_INDEX, + VFIO_PCI_MSI_IRQ_INDEX, + VFIO_PCI_MSIX_IRQ_INDEX, + VFIO_PCI_ERR_IRQ_INDEX, + VFIO_PCI_REQ_IRQ_INDEX, + VFIO_PCI_NUM_IRQS +}; + +/** + * VFIO_DEVICE_GET_PCI_HOT_RESET_INFO - _IORW(VFIO_TYPE, VFIO_BASE + 12, + * struct vfio_pci_hot_reset_info) + * + * Return: 0 on success, -errno on failure: + * -enospc = insufficient buffer, -enodev = unsupported for device. + */ +struct vfio_pci_dependent_device { + __u32 group_id; + __u16 segment; + __u8 bus; + __u8 devfn; /* Use PCI_SLOT/PCI_FUNC */ +}; + +struct vfio_pci_hot_reset_info { + __u32 argsz; + __u32 flags; + __u32 count; + struct vfio_pci_dependent_device devices[]; +}; + +#define VFIO_DEVICE_GET_PCI_HOT_RESET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12) + +/** + * VFIO_DEVICE_PCI_HOT_RESET - _IOW(VFIO_TYPE, VFIO_BASE + 13, + * struct vfio_pci_hot_reset) + * + * Return: 0 on success, -errno on failure. + */ +struct vfio_pci_hot_reset { + __u32 argsz; + __u32 flags; + __u32 count; + __s32 group_fds[]; +}; + +#define VFIO_DEVICE_PCI_HOT_RESET _IO(VFIO_TYPE, VFIO_BASE + 13) + +/* -------- API for Type1 VFIO IOMMU -------- */ + +/** + * VFIO_IOMMU_GET_INFO - _IOR(VFIO_TYPE, VFIO_BASE + 12, struct vfio_iommu_info) + * + * Retrieve information about the IOMMU object. Fills in provided + * struct vfio_iommu_info. Caller sets argsz. + * + * XXX Should we do these by CHECK_EXTENSION too? + */ +struct vfio_iommu_type1_info { + __u32 argsz; + __u32 flags; +#define VFIO_IOMMU_INFO_PGSIZES (1 << 0) /* supported page sizes info */ + __u64 iova_pgsizes; /* Bitmap of supported page sizes */ +}; + +#define VFIO_IOMMU_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12) + +/** + * VFIO_IOMMU_MAP_DMA - _IOW(VFIO_TYPE, VFIO_BASE + 13, struct vfio_dma_map) + * + * Map process virtual addresses to IO virtual addresses using the + * provided struct vfio_dma_map. Caller sets argsz. READ &/ WRITE required. + */ +struct vfio_iommu_type1_dma_map { + __u32 argsz; + __u32 flags; +#define VFIO_DMA_MAP_FLAG_READ (1 << 0) /* readable from device */ +#define VFIO_DMA_MAP_FLAG_WRITE (1 << 1) /* writable from device */ + __u64 vaddr; /* Process virtual address */ + __u64 iova; /* IO virtual address */ + __u64 size; /* Size of mapping (bytes) */ +}; + +#define VFIO_IOMMU_MAP_DMA _IO(VFIO_TYPE, VFIO_BASE + 13) + +/** + * VFIO_IOMMU_UNMAP_DMA - _IOWR(VFIO_TYPE, VFIO_BASE + 14, + * struct vfio_dma_unmap) + * + * Unmap IO virtual addresses using the provided struct vfio_dma_unmap. + * Caller sets argsz. The actual unmapped size is returned in the size + * field. No guarantee is made to the user that arbitrary unmaps of iova + * or size different from those used in the original mapping call will + * succeed. + */ +struct vfio_iommu_type1_dma_unmap { + __u32 argsz; + __u32 flags; + __u64 iova; /* IO virtual address */ + __u64 size; /* Size of mapping (bytes) */ +}; + +#define VFIO_IOMMU_UNMAP_DMA _IO(VFIO_TYPE, VFIO_BASE + 14) + +/* + * IOCTLs to enable/disable IOMMU container usage. + * No parameters are supported. + */ +#define VFIO_IOMMU_ENABLE _IO(VFIO_TYPE, VFIO_BASE + 15) +#define VFIO_IOMMU_DISABLE _IO(VFIO_TYPE, VFIO_BASE + 16) + +/* -------- Additional API for SPAPR TCE (Server POWERPC) IOMMU -------- */ + +/* + * The SPAPR TCE DDW info struct provides the information about + * the details of Dynamic DMA window capability. + * + * @pgsizes contains a page size bitmask, 4K/64K/16M are supported. + * @max_dynamic_windows_supported tells the maximum number of windows + * which the platform can create. + * @levels tells the maximum number of levels in multi-level IOMMU tables; + * this allows splitting a table into smaller chunks which reduces + * the amount of physically contiguous memory required for the table. + */ +struct vfio_iommu_spapr_tce_ddw_info { + __u64 pgsizes; /* Bitmap of supported page sizes */ + __u32 max_dynamic_windows_supported; + __u32 levels; +}; + +/* + * The SPAPR TCE info struct provides the information about the PCI bus + * address ranges available for DMA, these values are programmed into + * the hardware so the guest has to know that information. + * + * The DMA 32 bit window start is an absolute PCI bus address. + * The IOVA address passed via map/unmap ioctls are absolute PCI bus + * addresses too so the window works as a filter rather than an offset + * for IOVA addresses. + * + * Flags supported: + * - VFIO_IOMMU_SPAPR_INFO_DDW: informs the userspace that dynamic DMA windows + * (DDW) support is present. @ddw is only supported when DDW is present. + */ +struct vfio_iommu_spapr_tce_info { + __u32 argsz; + __u32 flags; +#define VFIO_IOMMU_SPAPR_INFO_DDW (1 << 0) /* DDW supported */ + __u32 dma32_window_start; /* 32 bit window start (bytes) */ + __u32 dma32_window_size; /* 32 bit window size (bytes) */ + struct vfio_iommu_spapr_tce_ddw_info ddw; +}; + +#define VFIO_IOMMU_SPAPR_TCE_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12) + +/* + * EEH PE operation struct provides ways to: + * - enable/disable EEH functionality; + * - unfreeze IO/DMA for frozen PE; + * - read PE state; + * - reset PE; + * - configure PE; + * - inject EEH error. + */ +struct vfio_eeh_pe_err { + __u32 type; + __u32 func; + __u64 addr; + __u64 mask; +}; + +struct vfio_eeh_pe_op { + __u32 argsz; + __u32 flags; + __u32 op; + union { + struct vfio_eeh_pe_err err; + }; +}; + +#define VFIO_EEH_PE_DISABLE 0 /* Disable EEH functionality */ +#define VFIO_EEH_PE_ENABLE 1 /* Enable EEH functionality */ +#define VFIO_EEH_PE_UNFREEZE_IO 2 /* Enable IO for frozen PE */ +#define VFIO_EEH_PE_UNFREEZE_DMA 3 /* Enable DMA for frozen PE */ +#define VFIO_EEH_PE_GET_STATE 4 /* PE state retrieval */ +#define VFIO_EEH_PE_STATE_NORMAL 0 /* PE in functional state */ +#define VFIO_EEH_PE_STATE_RESET 1 /* PE reset in progress */ +#define VFIO_EEH_PE_STATE_STOPPED 2 /* Stopped DMA and IO */ +#define VFIO_EEH_PE_STATE_STOPPED_DMA 4 /* Stopped DMA only */ +#define VFIO_EEH_PE_STATE_UNAVAIL 5 /* State unavailable */ +#define VFIO_EEH_PE_RESET_DEACTIVATE 5 /* Deassert PE reset */ +#define VFIO_EEH_PE_RESET_HOT 6 /* Assert hot reset */ +#define VFIO_EEH_PE_RESET_FUNDAMENTAL 7 /* Assert fundamental reset */ +#define VFIO_EEH_PE_CONFIGURE 8 /* PE configuration */ +#define VFIO_EEH_PE_INJECT_ERR 9 /* Inject EEH error */ + +#define VFIO_EEH_PE_OP _IO(VFIO_TYPE, VFIO_BASE + 21) + +/** + * VFIO_IOMMU_SPAPR_REGISTER_MEMORY - _IOW(VFIO_TYPE, VFIO_BASE + 17, struct vfio_iommu_spapr_register_memory) + * + * Registers user space memory where DMA is allowed. It pins + * user pages and does the locked memory accounting so + * subsequent VFIO_IOMMU_MAP_DMA/VFIO_IOMMU_UNMAP_DMA calls + * get faster. + */ +struct vfio_iommu_spapr_register_memory { + __u32 argsz; + __u32 flags; + __u64 vaddr; /* Process virtual address */ + __u64 size; /* Size of mapping (bytes) */ +}; +#define VFIO_IOMMU_SPAPR_REGISTER_MEMORY _IO(VFIO_TYPE, VFIO_BASE + 17) + +/** + * VFIO_IOMMU_SPAPR_UNREGISTER_MEMORY - _IOW(VFIO_TYPE, VFIO_BASE + 18, struct vfio_iommu_spapr_register_memory) + * + * Unregisters user space memory registered with + * VFIO_IOMMU_SPAPR_REGISTER_MEMORY. + * Uses vfio_iommu_spapr_register_memory for parameters. + */ +#define VFIO_IOMMU_SPAPR_UNREGISTER_MEMORY _IO(VFIO_TYPE, VFIO_BASE + 18) + +/** + * VFIO_IOMMU_SPAPR_TCE_CREATE - _IOWR(VFIO_TYPE, VFIO_BASE + 19, struct vfio_iommu_spapr_tce_create) + * + * Creates an additional TCE table and programs it (sets a new DMA window) + * to every IOMMU group in the container. It receives page shift, window + * size and number of levels in the TCE table being created. + * + * It allocates and returns an offset on a PCI bus of the new DMA window. + */ +struct vfio_iommu_spapr_tce_create { + __u32 argsz; + __u32 flags; + /* in */ + __u32 page_shift; + __u64 window_size; + __u32 levels; + /* out */ + __u64 start_addr; +}; +#define VFIO_IOMMU_SPAPR_TCE_CREATE _IO(VFIO_TYPE, VFIO_BASE + 19) + +/** + * VFIO_IOMMU_SPAPR_TCE_REMOVE - _IOW(VFIO_TYPE, VFIO_BASE + 20, struct vfio_iommu_spapr_tce_remove) + * + * Unprograms a TCE table from all groups in the container and destroys it. + * It receives a PCI bus offset as a window id. + */ +struct vfio_iommu_spapr_tce_remove { + __u32 argsz; + __u32 flags; + /* in */ + __u64 start_addr; +}; +#define VFIO_IOMMU_SPAPR_TCE_REMOVE _IO(VFIO_TYPE, VFIO_BASE + 20) + +/* ***************************************************************** */ + +#endif /* VFIO_H */ diff --git a/src/linux-headers/linux/vhost.h b/src/linux-headers/linux/vhost.h new file mode 100644 index 0000000..ead86db --- /dev/null +++ b/src/linux-headers/linux/vhost.h @@ -0,0 +1,172 @@ +#ifndef _LINUX_VHOST_H +#define _LINUX_VHOST_H +/* Userspace interface for in-kernel virtio accelerators. */ + +/* vhost is used to reduce the number of system calls involved in virtio. + * + * Existing virtio net code is used in the guest without modification. + * + * This header includes interface used by userspace hypervisor for + * device configuration. + */ + +#include <linux/types.h> + +#include <linux/ioctl.h> +#include <linux/virtio_config.h> +#include <linux/virtio_ring.h> + +struct vhost_vring_state { + unsigned int index; + unsigned int num; +}; + +struct vhost_vring_file { + unsigned int index; + int fd; /* Pass -1 to unbind from file. */ + +}; + +struct vhost_vring_addr { + unsigned int index; + /* Option flags. */ + unsigned int flags; + /* Flag values: */ + /* Whether log address is valid. If set enables logging. */ +#define VHOST_VRING_F_LOG 0 + + /* Start of array of descriptors (virtually contiguous) */ + __u64 desc_user_addr; + /* Used structure address. Must be 32 bit aligned */ + __u64 used_user_addr; + /* Available structure address. Must be 16 bit aligned */ + __u64 avail_user_addr; + /* Logging support. */ + /* Log writes to used structure, at offset calculated from specified + * address. Address must be 32 bit aligned. */ + __u64 log_guest_addr; +}; + +struct vhost_memory_region { + __u64 guest_phys_addr; + __u64 memory_size; /* bytes */ + __u64 userspace_addr; + __u64 flags_padding; /* No flags are currently specified. */ +}; + +/* All region addresses and sizes must be 4K aligned. */ +#define VHOST_PAGE_SIZE 0x1000 + +struct vhost_memory { + __u32 nregions; + __u32 padding; + struct vhost_memory_region regions[0]; +}; + +/* ioctls */ + +#define VHOST_VIRTIO 0xAF + +/* Features bitmask for forward compatibility. Transport bits are used for + * vhost specific features. */ +#define VHOST_GET_FEATURES _IOR(VHOST_VIRTIO, 0x00, __u64) +#define VHOST_SET_FEATURES _IOW(VHOST_VIRTIO, 0x00, __u64) + +/* Set current process as the (exclusive) owner of this file descriptor. This + * must be called before any other vhost command. Further calls to + * VHOST_OWNER_SET fail until VHOST_OWNER_RESET is called. */ +#define VHOST_SET_OWNER _IO(VHOST_VIRTIO, 0x01) +/* Give up ownership, and reset the device to default values. + * Allows subsequent call to VHOST_OWNER_SET to succeed. */ +#define VHOST_RESET_OWNER _IO(VHOST_VIRTIO, 0x02) + +/* Set up/modify memory layout */ +#define VHOST_SET_MEM_TABLE _IOW(VHOST_VIRTIO, 0x03, struct vhost_memory) + +/* Write logging setup. */ +/* Memory writes can optionally be logged by setting bit at an offset + * (calculated from the physical address) from specified log base. + * The bit is set using an atomic 32 bit operation. */ +/* Set base address for logging. */ +#define VHOST_SET_LOG_BASE _IOW(VHOST_VIRTIO, 0x04, __u64) +/* Specify an eventfd file descriptor to signal on log write. */ +#define VHOST_SET_LOG_FD _IOW(VHOST_VIRTIO, 0x07, int) + +/* Ring setup. */ +/* Set number of descriptors in ring. This parameter can not + * be modified while ring is running (bound to a device). */ +#define VHOST_SET_VRING_NUM _IOW(VHOST_VIRTIO, 0x10, struct vhost_vring_state) +/* Set addresses for the ring. */ +#define VHOST_SET_VRING_ADDR _IOW(VHOST_VIRTIO, 0x11, struct vhost_vring_addr) +/* Base value where queue looks for available descriptors */ +#define VHOST_SET_VRING_BASE _IOW(VHOST_VIRTIO, 0x12, struct vhost_vring_state) +/* Get accessor: reads index, writes value in num */ +#define VHOST_GET_VRING_BASE _IOWR(VHOST_VIRTIO, 0x12, struct vhost_vring_state) + +/* Set the vring byte order in num. Valid values are VHOST_VRING_LITTLE_ENDIAN + * or VHOST_VRING_BIG_ENDIAN (other values return -EINVAL). + * The byte order cannot be changed while the device is active: trying to do so + * returns -EBUSY. + * This is a legacy only API that is simply ignored when VIRTIO_F_VERSION_1 is + * set. + * Not all kernel configurations support this ioctl, but all configurations that + * support SET also support GET. + */ +#define VHOST_VRING_LITTLE_ENDIAN 0 +#define VHOST_VRING_BIG_ENDIAN 1 +#define VHOST_SET_VRING_ENDIAN _IOW(VHOST_VIRTIO, 0x13, struct vhost_vring_state) +#define VHOST_GET_VRING_ENDIAN _IOW(VHOST_VIRTIO, 0x14, struct vhost_vring_state) + +/* The following ioctls use eventfd file descriptors to signal and poll + * for events. */ + +/* Set eventfd to poll for added buffers */ +#define VHOST_SET_VRING_KICK _IOW(VHOST_VIRTIO, 0x20, struct vhost_vring_file) +/* Set eventfd to signal when buffers have beed used */ +#define VHOST_SET_VRING_CALL _IOW(VHOST_VIRTIO, 0x21, struct vhost_vring_file) +/* Set eventfd to signal an error */ +#define VHOST_SET_VRING_ERR _IOW(VHOST_VIRTIO, 0x22, struct vhost_vring_file) + +/* VHOST_NET specific defines */ + +/* Attach virtio net ring to a raw socket, or tap device. + * The socket must be already bound to an ethernet device, this device will be + * used for transmit. Pass fd -1 to unbind from the socket and the transmit + * device. This can be used to stop the ring (e.g. for migration). */ +#define VHOST_NET_SET_BACKEND _IOW(VHOST_VIRTIO, 0x30, struct vhost_vring_file) + +/* Feature bits */ +/* Log all write descriptors. Can be changed while device is active. */ +#define VHOST_F_LOG_ALL 26 +/* vhost-net should add virtio_net_hdr for RX, and strip for TX packets. */ +#define VHOST_NET_F_VIRTIO_NET_HDR 27 + +/* VHOST_SCSI specific definitions */ + +/* + * Used by QEMU userspace to ensure a consistent vhost-scsi ABI. + * + * ABI Rev 0: July 2012 version starting point for v3.6-rc merge candidate + + * RFC-v2 vhost-scsi userspace. Add GET_ABI_VERSION ioctl usage + * ABI Rev 1: January 2013. Ignore vhost_tpgt filed in struct vhost_scsi_target. + * All the targets under vhost_wwpn can be seen and used by guset. + */ + +#define VHOST_SCSI_ABI_VERSION 1 + +struct vhost_scsi_target { + int abi_version; + char vhost_wwpn[224]; /* TRANSPORT_IQN_LEN */ + unsigned short vhost_tpgt; + unsigned short reserved; +}; + +#define VHOST_SCSI_SET_ENDPOINT _IOW(VHOST_VIRTIO, 0x40, struct vhost_scsi_target) +#define VHOST_SCSI_CLEAR_ENDPOINT _IOW(VHOST_VIRTIO, 0x41, struct vhost_scsi_target) +/* Changing this breaks userspace. */ +#define VHOST_SCSI_GET_ABI_VERSION _IOW(VHOST_VIRTIO, 0x42, int) +/* Set and get the events missed flag */ +#define VHOST_SCSI_SET_EVENTS_MISSED _IOW(VHOST_VIRTIO, 0x43, __u32) +#define VHOST_SCSI_GET_EVENTS_MISSED _IOW(VHOST_VIRTIO, 0x44, __u32) + +#endif diff --git a/src/linux-headers/linux/virtio_config.h b/src/linux-headers/linux/virtio_config.h new file mode 100644 index 0000000..5590f7d --- /dev/null +++ b/src/linux-headers/linux/virtio_config.h @@ -0,0 +1 @@ +#include "standard-headers/linux/virtio_config.h" diff --git a/src/linux-headers/linux/virtio_ring.h b/src/linux-headers/linux/virtio_ring.h new file mode 100644 index 0000000..c6f0fb6 --- /dev/null +++ b/src/linux-headers/linux/virtio_ring.h @@ -0,0 +1 @@ +#include "standard-headers/linux/virtio_ring.h" |
