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| author | Ingo Molnar <mingo@elte.hu> | 2009-01-06 09:53:05 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-06 09:53:05 +0100 |
| commit | 3d7a96f5a485b7d06c2379f343d7312af89ec9e2 (patch) | |
| tree | 5f097f68eb0f9fd3fa4a10f38672e300e9127b10 /arch/ia64 | |
| parent | 723cbe0775514853c22dc45005af59c360916af1 (diff) | |
| parent | 238c6d54830c624f34ac9cf123ac04aebfca5013 (diff) | |
| download | op-kernel-dev-3d7a96f5a485b7d06c2379f343d7312af89ec9e2.zip op-kernel-dev-3d7a96f5a485b7d06c2379f343d7312af89ec9e2.tar.gz | |
Merge branch 'linus' into tracing/kmemtrace2
Diffstat (limited to 'arch/ia64')
31 files changed, 1153 insertions, 1003 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 7fa8f61..3d31636 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -687,3 +687,6 @@ config IRQ_PER_CPU config IOMMU_HELPER def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB) + +config IOMMU_API + def_bool (DMAR) diff --git a/arch/ia64/hp/sim/hpsim_irq.c b/arch/ia64/hp/sim/hpsim_irq.c index c2f58ff..cc0a318 100644 --- a/arch/ia64/hp/sim/hpsim_irq.c +++ b/arch/ia64/hp/sim/hpsim_irq.c @@ -22,7 +22,7 @@ hpsim_irq_noop (unsigned int irq) } static void -hpsim_set_affinity_noop (unsigned int a, cpumask_t b) +hpsim_set_affinity_noop(unsigned int a, const struct cpumask *b) { } diff --git a/arch/ia64/include/asm/irq.h b/arch/ia64/include/asm/irq.h index 3627116..36429a5 100644 --- a/arch/ia64/include/asm/irq.h +++ b/arch/ia64/include/asm/irq.h @@ -27,7 +27,7 @@ irq_canonicalize (int irq) } extern void set_irq_affinity_info (unsigned int irq, int dest, int redir); -bool is_affinity_mask_valid(cpumask_t cpumask); +bool is_affinity_mask_valid(cpumask_var_t cpumask); #define is_affinity_mask_valid is_affinity_mask_valid diff --git a/arch/ia64/include/asm/kvm.h b/arch/ia64/include/asm/kvm.h index f38472a..68aa6da 100644 --- a/arch/ia64/include/asm/kvm.h +++ b/arch/ia64/include/asm/kvm.h @@ -166,8 +166,6 @@ struct saved_vpd { }; struct kvm_regs { - char *saved_guest; - char *saved_stack; struct saved_vpd vpd; /*Arch-regs*/ int mp_state; @@ -200,6 +198,10 @@ struct kvm_regs { unsigned long fp_psr; /*used for lazy float register */ unsigned long saved_gp; /*for phycial emulation */ + + union context saved_guest; + + unsigned long reserved[64]; /* for future use */ }; struct kvm_sregs { diff --git a/arch/ia64/include/asm/kvm_host.h b/arch/ia64/include/asm/kvm_host.h index c60d324..3486636 100644 --- a/arch/ia64/include/asm/kvm_host.h +++ b/arch/ia64/include/asm/kvm_host.h @@ -23,17 +23,6 @@ #ifndef __ASM_KVM_HOST_H #define __ASM_KVM_HOST_H - -#include <linux/types.h> -#include <linux/mm.h> -#include <linux/kvm.h> -#include <linux/kvm_para.h> -#include <linux/kvm_types.h> - -#include <asm/pal.h> -#include <asm/sal.h> - -#define KVM_MAX_VCPUS 4 #define KVM_MEMORY_SLOTS 32 /* memory slots that does not exposed to userspace */ #define KVM_PRIVATE_MEM_SLOTS 4 @@ -50,70 +39,132 @@ #define EXIT_REASON_EXTERNAL_INTERRUPT 6 #define EXIT_REASON_IPI 7 #define EXIT_REASON_PTC_G 8 +#define EXIT_REASON_DEBUG 20 /*Define vmm address space and vm data space.*/ -#define KVM_VMM_SIZE (16UL<<20) +#define KVM_VMM_SIZE (__IA64_UL_CONST(16)<<20) #define KVM_VMM_SHIFT 24 -#define KVM_VMM_BASE 0xD000000000000000UL -#define VMM_SIZE (8UL<<20) +#define KVM_VMM_BASE 0xD000000000000000 +#define VMM_SIZE (__IA64_UL_CONST(8)<<20) /* * Define vm_buffer, used by PAL Services, base address. - * Note: vmbuffer is in the VMM-BLOCK, the size must be < 8M + * Note: vm_buffer is in the VMM-BLOCK, the size must be < 8M */ #define KVM_VM_BUFFER_BASE (KVM_VMM_BASE + VMM_SIZE) -#define KVM_VM_BUFFER_SIZE (8UL<<20) - -/*Define Virtual machine data layout.*/ -#define KVM_VM_DATA_SHIFT 24 -#define KVM_VM_DATA_SIZE (1UL << KVM_VM_DATA_SHIFT) -#define KVM_VM_DATA_BASE (KVM_VMM_BASE + KVM_VMM_SIZE) - - -#define KVM_P2M_BASE KVM_VM_DATA_BASE -#define KVM_P2M_OFS 0 -#define KVM_P2M_SIZE (8UL << 20) - -#define KVM_VHPT_BASE (KVM_P2M_BASE + KVM_P2M_SIZE) -#define KVM_VHPT_OFS KVM_P2M_SIZE -#define KVM_VHPT_BLOCK_SIZE (2UL << 20) -#define VHPT_SHIFT 18 -#define VHPT_SIZE (1UL << VHPT_SHIFT) -#define VHPT_NUM_ENTRIES (1<<(VHPT_SHIFT-5)) - -#define KVM_VTLB_BASE (KVM_VHPT_BASE+KVM_VHPT_BLOCK_SIZE) -#define KVM_VTLB_OFS (KVM_VHPT_OFS+KVM_VHPT_BLOCK_SIZE) -#define KVM_VTLB_BLOCK_SIZE (1UL<<20) -#define VTLB_SHIFT 17 -#define VTLB_SIZE (1UL<<VTLB_SHIFT) -#define VTLB_NUM_ENTRIES (1<<(VTLB_SHIFT-5)) - -#define KVM_VPD_BASE (KVM_VTLB_BASE+KVM_VTLB_BLOCK_SIZE) -#define KVM_VPD_OFS (KVM_VTLB_OFS+KVM_VTLB_BLOCK_SIZE) -#define KVM_VPD_BLOCK_SIZE (2UL<<20) -#define VPD_SHIFT 16 -#define VPD_SIZE (1UL<<VPD_SHIFT) - -#define KVM_VCPU_BASE (KVM_VPD_BASE+KVM_VPD_BLOCK_SIZE) -#define KVM_VCPU_OFS (KVM_VPD_OFS+KVM_VPD_BLOCK_SIZE) -#define KVM_VCPU_BLOCK_SIZE (2UL<<20) -#define VCPU_SHIFT 18 -#define VCPU_SIZE (1UL<<VCPU_SHIFT) -#define MAX_VCPU_NUM KVM_VCPU_BLOCK_SIZE/VCPU_SIZE - -#define KVM_VM_BASE (KVM_VCPU_BASE+KVM_VCPU_BLOCK_SIZE) -#define KVM_VM_OFS (KVM_VCPU_OFS+KVM_VCPU_BLOCK_SIZE) -#define KVM_VM_BLOCK_SIZE (1UL<<19) - -#define KVM_MEM_DIRTY_LOG_BASE (KVM_VM_BASE+KVM_VM_BLOCK_SIZE) -#define KVM_MEM_DIRTY_LOG_OFS (KVM_VM_OFS+KVM_VM_BLOCK_SIZE) -#define KVM_MEM_DIRTY_LOG_SIZE (1UL<<19) - -/* Get vpd, vhpt, tlb, vcpu, base*/ -#define VPD_ADDR(n) (KVM_VPD_BASE+n*VPD_SIZE) -#define VHPT_ADDR(n) (KVM_VHPT_BASE+n*VHPT_SIZE) -#define VTLB_ADDR(n) (KVM_VTLB_BASE+n*VTLB_SIZE) -#define VCPU_ADDR(n) (KVM_VCPU_BASE+n*VCPU_SIZE) +#define KVM_VM_BUFFER_SIZE (__IA64_UL_CONST(8)<<20) + +/* + * kvm guest's data area looks as follow: + * + * +----------------------+ ------- KVM_VM_DATA_SIZE + * | vcpu[n]'s data | | ___________________KVM_STK_OFFSET + * | | | / | + * | .......... | | /vcpu's struct&stack | + * | .......... | | /---------------------|---- 0 + * | vcpu[5]'s data | | / vpd | + * | vcpu[4]'s data | |/-----------------------| + * | vcpu[3]'s data | / vtlb | + * | vcpu[2]'s data | /|------------------------| + * | vcpu[1]'s data |/ | vhpt | + * | vcpu[0]'s data |____________________________| + * +----------------------+ | + * | memory dirty log | | + * +----------------------+ | + * | vm's data struct | | + * +----------------------+ | + * | | | + * | | | + * | | | + * | | | + * | | | + * | | | + * | | | + * | vm's p2m table | | + * | | | + * | | | + * | | | | + * vm's data->| | | | + * +----------------------+ ------- 0 + * To support large memory, needs to increase the size of p2m. + * To support more vcpus, needs to ensure it has enough space to + * hold vcpus' data. + */ + +#define KVM_VM_DATA_SHIFT 26 +#define KVM_VM_DATA_SIZE (__IA64_UL_CONST(1) << KVM_VM_DATA_SHIFT) +#define KVM_VM_DATA_BASE (KVM_VMM_BASE + KVM_VM_DATA_SIZE) + +#define KVM_P2M_BASE KVM_VM_DATA_BASE +#define KVM_P2M_SIZE (__IA64_UL_CONST(24) << 20) + +#define VHPT_SHIFT 16 +#define VHPT_SIZE (__IA64_UL_CONST(1) << VHPT_SHIFT) +#define VHPT_NUM_ENTRIES (__IA64_UL_CONST(1) << (VHPT_SHIFT-5)) + +#define VTLB_SHIFT 16 +#define VTLB_SIZE (__IA64_UL_CONST(1) << VTLB_SHIFT) +#define VTLB_NUM_ENTRIES (1UL << (VHPT_SHIFT-5)) + +#define VPD_SHIFT 16 +#define VPD_SIZE (__IA64_UL_CONST(1) << VPD_SHIFT) + +#define VCPU_STRUCT_SHIFT 16 +#define VCPU_STRUCT_SIZE (__IA64_UL_CONST(1) << VCPU_STRUCT_SHIFT) + +#define KVM_STK_OFFSET VCPU_STRUCT_SIZE + +#define KVM_VM_STRUCT_SHIFT 19 +#define KVM_VM_STRUCT_SIZE (__IA64_UL_CONST(1) << KVM_VM_STRUCT_SHIFT) + +#define KVM_MEM_DIRY_LOG_SHIFT 19 +#define KVM_MEM_DIRTY_LOG_SIZE (__IA64_UL_CONST(1) << KVM_MEM_DIRY_LOG_SHIFT) + +#ifndef __ASSEMBLY__ + +/*Define the max vcpus and memory for Guests.*/ +#define KVM_MAX_VCPUS (KVM_VM_DATA_SIZE - KVM_P2M_SIZE - KVM_VM_STRUCT_SIZE -\ + KVM_MEM_DIRTY_LOG_SIZE) / sizeof(struct kvm_vcpu_data) +#define KVM_MAX_MEM_SIZE (KVM_P2M_SIZE >> 3 << PAGE_SHIFT) + +#define VMM_LOG_LEN 256 + +#include <linux/types.h> +#include <linux/mm.h> +#include <linux/kvm.h> +#include <linux/kvm_para.h> +#include <linux/kvm_types.h> + +#include <asm/pal.h> +#include <asm/sal.h> +#include <asm/page.h> + +struct kvm_vcpu_data { + char vcpu_vhpt[VHPT_SIZE]; + char vcpu_vtlb[VTLB_SIZE]; + char vcpu_vpd[VPD_SIZE]; + char vcpu_struct[VCPU_STRUCT_SIZE]; +}; + +struct kvm_vm_data { + char kvm_p2m[KVM_P2M_SIZE]; + char kvm_vm_struct[KVM_VM_STRUCT_SIZE]; + char kvm_mem_dirty_log[KVM_MEM_DIRTY_LOG_SIZE]; + struct kvm_vcpu_data vcpu_data[KVM_MAX_VCPUS]; +}; + +#define VCPU_BASE(n) KVM_VM_DATA_BASE + \ + offsetof(struct kvm_vm_data, vcpu_data[n]) +#define VM_BASE KVM_VM_DATA_BASE + \ + offsetof(struct kvm_vm_data, kvm_vm_struct) +#define KVM_MEM_DIRTY_LOG_BASE KVM_VM_DATA_BASE + \ + offsetof(struct kvm_vm_data, kvm_mem_dirty_log) + +#define VHPT_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vhpt)) +#define VTLB_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vtlb)) +#define VPD_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vpd)) +#define VCPU_STRUCT_BASE(n) (VCPU_BASE(n) + \ + offsetof(struct kvm_vcpu_data, vcpu_struct)) /*IO section definitions*/ #define IOREQ_READ 1 @@ -389,6 +440,7 @@ struct kvm_vcpu_arch { unsigned long opcode; unsigned long cause; + char log_buf[VMM_LOG_LEN]; union context host; union context guest; }; @@ -403,20 +455,19 @@ struct kvm_sal_data { }; struct kvm_arch { + spinlock_t dirty_log_lock; + unsigned long vm_base; unsigned long metaphysical_rr0; unsigned long metaphysical_rr4; unsigned long vmm_init_rr; - unsigned long vhpt_base; - unsigned long vtlb_base; - unsigned long vpd_base; - spinlock_t dirty_log_lock; + struct kvm_ioapic *vioapic; struct kvm_vm_stat stat; struct kvm_sal_data rdv_sal_data; struct list_head assigned_dev_head; - struct dmar_domain *intel_iommu_domain; + struct iommu_domain *iommu_domain; struct hlist_head irq_ack_notifier_list; unsigned long irq_sources_bitmap; @@ -512,7 +563,7 @@ struct kvm_pt_regs { static inline struct kvm_pt_regs *vcpu_regs(struct kvm_vcpu *v) { - return (struct kvm_pt_regs *) ((unsigned long) v + IA64_STK_OFFSET) - 1; + return (struct kvm_pt_regs *) ((unsigned long) v + KVM_STK_OFFSET) - 1; } typedef int kvm_vmm_entry(void); @@ -531,5 +582,6 @@ int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run); void kvm_sal_emul(struct kvm_vcpu *vcpu); static inline void kvm_inject_nmi(struct kvm_vcpu *vcpu) {} +#endif /* __ASSEMBLY__*/ #endif diff --git a/arch/ia64/include/asm/smp.h b/arch/ia64/include/asm/smp.h index 12d96e0..21c4023 100644 --- a/arch/ia64/include/asm/smp.h +++ b/arch/ia64/include/asm/smp.h @@ -57,7 +57,6 @@ extern struct smp_boot_data { extern char no_int_routing __devinitdata; -extern cpumask_t cpu_online_map; extern cpumask_t cpu_core_map[NR_CPUS]; DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); extern int smp_num_siblings; diff --git a/arch/ia64/include/asm/topology.h b/arch/ia64/include/asm/topology.h index 35bcb64..76a33a9 100644 --- a/arch/ia64/include/asm/topology.h +++ b/arch/ia64/include/asm/topology.h @@ -34,6 +34,7 @@ * Returns a bitmask of CPUs on Node 'node'. */ #define node_to_cpumask(node) (node_to_cpu_mask[node]) +#define cpumask_of_node(node) (&node_to_cpu_mask[node]) /* * Returns the number of the node containing Node 'nid'. @@ -45,7 +46,7 @@ /* * Returns the number of the first CPU on Node 'node'. */ -#define node_to_first_cpu(node) (first_cpu(node_to_cpumask(node))) +#define node_to_first_cpu(node) (cpumask_first(cpumask_of_node(node))) /* * Determines the node for a given pci bus @@ -55,7 +56,6 @@ void build_cpu_to_node_map(void); #define SD_CPU_INIT (struct sched_domain) { \ - .span = CPU_MASK_NONE, \ .parent = NULL, \ .child = NULL, \ .groups = NULL, \ @@ -80,7 +80,6 @@ void build_cpu_to_node_map(void); /* sched_domains SD_NODE_INIT for IA64 NUMA machines */ #define SD_NODE_INIT (struct sched_domain) { \ - .span = CPU_MASK_NONE, \ .parent = NULL, \ .child = NULL, \ .groups = NULL, \ @@ -111,6 +110,8 @@ void build_cpu_to_node_map(void); #define topology_core_id(cpu) (cpu_data(cpu)->core_id) #define topology_core_siblings(cpu) (cpu_core_map[cpu]) #define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu)) +#define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) +#define topology_thread_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu)) #define smt_capable() (smp_num_siblings > 1) #endif @@ -121,6 +122,10 @@ extern void arch_fix_phys_package_id(int num, u32 slot); node_to_cpumask(pcibus_to_node(bus)) \ ) +#define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \ + cpu_all_mask : \ + cpumask_from_node(pcibus_to_node(bus))) + #include <asm-generic/topology.h> #endif /* _ASM_IA64_TOPOLOGY_H */ diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c index bd7acc7..0553648 100644 --- a/arch/ia64/kernel/acpi.c +++ b/arch/ia64/kernel/acpi.c @@ -202,7 +202,6 @@ char *__init __acpi_map_table(unsigned long phys_addr, unsigned long size) Boot-time Table Parsing -------------------------------------------------------------------------- */ -static int total_cpus __initdata; static int available_cpus __initdata; struct acpi_table_madt *acpi_madt __initdata; static u8 has_8259; @@ -1001,7 +1000,7 @@ acpi_map_iosapic(acpi_handle handle, u32 depth, void *context, void **ret) node = pxm_to_node(pxm); if (node >= MAX_NUMNODES || !node_online(node) || - cpus_empty(node_to_cpumask(node))) + cpumask_empty(cpumask_of_node(node))) return AE_OK; /* We know a gsi to node mapping! */ diff --git a/arch/ia64/kernel/init_task.c b/arch/ia64/kernel/init_task.c index 9d7e1c6..5b0e830 100644 --- a/arch/ia64/kernel/init_task.c +++ b/arch/ia64/kernel/init_task.c @@ -17,7 +17,6 @@ #include <asm/uaccess.h> #include <asm/pgtable.h> -static struct fs_struct init_fs = INIT_FS; static struct signal_struct init_signals = INIT_SIGNALS(init_signals); static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); struct mm_struct init_mm = INIT_MM(init_mm); diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c index 5c4674a..5cfd3d9 100644 --- a/arch/ia64/kernel/iosapic.c +++ b/arch/ia64/kernel/iosapic.c @@ -330,25 +330,25 @@ unmask_irq (unsigned int irq) static void -iosapic_set_affinity (unsigned int irq, cpumask_t mask) +iosapic_set_affinity(unsigned int irq, const struct cpumask *mask) { #ifdef CONFIG_SMP u32 high32, low32; - int dest, rte_index; + int cpu, dest, rte_index; int redir = (irq & IA64_IRQ_REDIRECTED) ? 1 : 0; struct iosapic_rte_info *rte; struct iosapic *iosapic; irq &= (~IA64_IRQ_REDIRECTED); - cpus_and(mask, mask, cpu_online_map); - if (cpus_empty(mask)) + cpu = cpumask_first_and(cpu_online_mask, mask); + if (cpu >= nr_cpu_ids) return; - if (irq_prepare_move(irq, first_cpu(mask))) + if (irq_prepare_move(irq, cpu)) return; - dest = cpu_physical_id(first_cpu(mask)); + dest = cpu_physical_id(cpu); if (!iosapic_intr_info[irq].count) return; /* not an IOSAPIC interrupt */ @@ -695,32 +695,31 @@ get_target_cpu (unsigned int gsi, int irq) #ifdef CONFIG_NUMA { int num_cpus, cpu_index, iosapic_index, numa_cpu, i = 0; - cpumask_t cpu_mask; + const struct cpumask *cpu_mask; iosapic_index = find_iosapic(gsi); if (iosapic_index < 0 || iosapic_lists[iosapic_index].node == MAX_NUMNODES) goto skip_numa_setup; - cpu_mask = node_to_cpumask(iosapic_lists[iosapic_index].node); - cpus_and(cpu_mask, cpu_mask, domain); - for_each_cpu_mask(numa_cpu, cpu_mask) { - if (!cpu_online(numa_cpu)) - cpu_clear(numa_cpu, cpu_mask); + cpu_mask = cpumask_of_node(iosapic_lists[iosapic_index].node); + num_cpus = 0; + for_each_cpu_and(numa_cpu, cpu_mask, &domain) { + if (cpu_online(numa_cpu)) + num_cpus++; } - num_cpus = cpus_weight(cpu_mask); - if (!num_cpus) goto skip_numa_setup; /* Use irq assignment to distribute across cpus in node */ cpu_index = irq % num_cpus; - for (numa_cpu = first_cpu(cpu_mask) ; i < cpu_index ; i++) - numa_cpu = next_cpu(numa_cpu, cpu_mask); + for_each_cpu_and(numa_cpu, cpu_mask, &domain) + if (cpu_online(numa_cpu) && i++ >= cpu_index) + break; - if (numa_cpu != NR_CPUS) + if (numa_cpu < nr_cpu_ids) return cpu_physical_id(numa_cpu); } skip_numa_setup: @@ -731,7 +730,7 @@ skip_numa_setup: * case of NUMA.) */ do { - if (++cpu >= NR_CPUS) + if (++cpu >= nr_cpu_ids) cpu = 0; } while (!cpu_online(cpu) || !cpu_isset(cpu, domain)); diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c index 7fd18f5..95ff16c 100644 --- a/arch/ia64/kernel/irq.c +++ b/arch/ia64/kernel/irq.c @@ -112,11 +112,11 @@ void set_irq_affinity_info (unsigned int irq, int hwid, int redir) } } -bool is_affinity_mask_valid(cpumask_t cpumask) +bool is_affinity_mask_valid(cpumask_var_t cpumask) { if (ia64_platform_is("sn2")) { /* Only allow one CPU to be specified in the smp_affinity mask */ - if (cpus_weight(cpumask) != 1) + if (cpumask_weight(cpumask) != 1) return false; } return true; @@ -133,7 +133,6 @@ unsigned int vectors_in_migration[NR_IRQS]; */ static void migrate_irqs(void) { - cpumask_t mask; irq_desc_t *desc; int irq, new_cpu; @@ -152,15 +151,14 @@ static void migrate_irqs(void) if (desc->status == IRQ_PER_CPU) continue; - cpus_and(mask, irq_desc[irq].affinity, cpu_online_map); - if (any_online_cpu(mask) == NR_CPUS) { + if (cpumask_any_and(&irq_desc[irq].affinity, cpu_online_mask) + >= nr_cpu_ids) { /* * Save it for phase 2 processing */ vectors_in_migration[irq] = irq; new_cpu = any_online_cpu(cpu_online_map); - mask = cpumask_of_cpu(new_cpu); /* * Al three are essential, currently WARN_ON.. maybe panic? @@ -168,7 +166,8 @@ static void migrate_irqs(void) if (desc->chip && desc->chip->disable && desc->chip->enable && desc->chip->set_affinity) { desc->chip->disable(irq); - desc->chip->set_affinity(irq, mask); + desc->chip->set_affinity(irq, + cpumask_of(new_cpu)); desc->chip->enable(irq); } else { WARN_ON((!(desc->chip) || !(desc->chip->disable) || diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c index 702a09c..8903393 100644 --- a/arch/ia64/kernel/msi_ia64.c +++ b/arch/ia64/kernel/msi_ia64.c @@ -49,11 +49,12 @@ static struct irq_chip ia64_msi_chip; #ifdef CONFIG_SMP -static void ia64_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask) +static void ia64_set_msi_irq_affinity(unsigned int irq, + const cpumask_t *cpu_mask) { struct msi_msg msg; u32 addr, data; - int cpu = first_cpu(cpu_mask); + int cpu = first_cpu(*cpu_mask); if (!cpu_online(cpu)) return; @@ -166,12 +167,11 @@ void arch_teardown_msi_irq(unsigned int irq) #ifdef CONFIG_DMAR #ifdef CONFIG_SMP -static void dmar_msi_set_affinity(unsigned int irq, cpumask_t mask) +static void dmar_msi_set_affinity(unsigned int irq, const struct cpumask *mask) { struct irq_cfg *cfg = irq_cfg + irq; struct msi_msg msg; - int cpu = first_cpu(mask); - + int cpu = cpumask_first(mask); if (!cpu_online(cpu)) return; @@ -187,7 +187,7 @@ static void dmar_msi_set_affinity(unsigned int irq, cpumask_t mask) msg.address_lo |= MSI_ADDR_DESTID_CPU(cpu_physical_id(cpu)); dmar_msi_write(irq, &msg); - irq_desc[irq].affinity = mask; + irq_desc[irq].affinity = *mask; } #endif /* CONFIG_SMP */ diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index 1dcbb85..1146399 100644 --- a/arch/ia64/kernel/smpboot.c +++ b/arch/ia64/kernel/smpboot.c @@ -131,12 +131,6 @@ struct task_struct *task_for_booting_cpu; */ DEFINE_PER_CPU(int, cpu_state); -/* Bitmasks of currently online, and possible CPUs */ -cpumask_t cpu_online_map; -EXPORT_SYMBOL(cpu_online_map); -cpumask_t cpu_possible_map = CPU_MASK_NONE; -EXPORT_SYMBOL(cpu_possible_map); - cpumask_t cpu_core_map[NR_CPUS] __cacheline_aligned; EXPORT_SYMBOL(cpu_core_map); DEFINE_PER_CPU_SHARED_ALIGNED(cpumask_t, cpu_sibling_map); @@ -688,7 +682,7 @@ int migrate_platform_irqs(unsigned int cpu) { int new_cpei_cpu; irq_desc_t *desc = NULL; - cpumask_t mask; + const struct cpumask *mask; int retval = 0; /* @@ -701,7 +695,7 @@ int migrate_platform_irqs(unsigned int cpu) * Now re-target the CPEI to a different processor */ new_cpei_cpu = any_online_cpu(cpu_online_map); - mask = cpumask_of_cpu(new_cpei_cpu); + mask = cpumask_of(new_cpei_cpu); set_cpei_target_cpu(new_cpei_cpu); desc = irq_desc + ia64_cpe_irq; /* diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 65c10a4..f0ebb34 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -93,13 +93,14 @@ void ia64_account_on_switch(struct task_struct *prev, struct task_struct *next) now = ia64_get_itc(); delta_stime = cycle_to_cputime(pi->ac_stime + (now - pi->ac_stamp)); - account_system_time(prev, 0, delta_stime); - account_system_time_scaled(prev, delta_stime); + if (idle_task(smp_processor_id()) != prev) + account_system_time(prev, 0, delta_stime, delta_stime); + else + account_idle_time(delta_stime); if (pi->ac_utime) { delta_utime = cycle_to_cputime(pi->ac_utime); - account_user_time(prev, delta_utime); - account_user_time_scaled(prev, delta_utime); + account_user_time(prev, delta_utime, delta_utime); } pi->ac_stamp = ni->ac_stamp = now; @@ -122,8 +123,10 @@ void account_system_vtime(struct task_struct *tsk) now = ia64_get_itc(); delta_stime = cycle_to_cputime(ti->ac_stime + (now - ti->ac_stamp)); - account_system_time(tsk, 0, delta_stime); - account_system_time_scaled(tsk, delta_stime); + if (irq_count() || idle_task(smp_processor_id()) != tsk) + account_system_time(tsk, 0, delta_stime, delta_stime); + else + account_idle_time(delta_stime); ti->ac_stime = 0; ti->ac_stamp = now; @@ -143,8 +146,7 @@ void account_process_tick(struct task_struct *p, int user_tick) if (ti->ac_utime) { delta_utime = cycle_to_cputime(ti->ac_utime); - account_user_time(p, delta_utime); - account_user_time_scaled(p, delta_utime); + account_user_time(p, delta_utime, delta_utime); ti->ac_utime = 0; } } diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c index c75b914..a8d61a3 100644 --- a/arch/ia64/kernel/topology.c +++ b/arch/ia64/kernel/topology.c @@ -219,7 +219,7 @@ static ssize_t show_shared_cpu_map(struct cache_info *this_leaf, char *buf) cpumask_t shared_cpu_map; cpus_and(shared_cpu_map, this_leaf->shared_cpu_map, cpu_online_map); - len = cpumask_scnprintf(buf, NR_CPUS+1, shared_cpu_map); + len = cpumask_scnprintf(buf, NR_CPUS+1, &shared_cpu_map); len += sprintf(buf+len, "\n"); return len; } diff --git a/arch/ia64/kvm/Makefile b/arch/ia64/kvm/Makefile index 92cef66..0bb99b7 100644 --- a/arch/ia64/kvm/Makefile +++ b/arch/ia64/kvm/Makefile @@ -51,8 +51,8 @@ EXTRA_AFLAGS += -Ivirt/kvm -Iarch/ia64/kvm/ common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o \ coalesced_mmio.o irq_comm.o) -ifeq ($(CONFIG_DMAR),y) -common-objs += $(addprefix ../../../virt/kvm/, vtd.o) +ifeq ($(CONFIG_IOMMU_API),y) +common-objs += $(addprefix ../../../virt/kvm/, iommu.o) endif kvm-objs := $(common-objs) kvm-ia64.o kvm_fw.o @@ -60,7 +60,7 @@ obj-$(CONFIG_KVM) += kvm.o CFLAGS_vcpu.o += -mfixed-range=f2-f5,f12-f127 kvm-intel-objs = vmm.o vmm_ivt.o trampoline.o vcpu.o optvfault.o mmio.o \ - vtlb.o process.o + vtlb.o process.o kvm_lib.o #Add link memcpy and memset to avoid possible structure assignment error kvm-intel-objs += memcpy.o memset.o obj-$(CONFIG_KVM_INTEL) += kvm-intel.o diff --git a/arch/ia64/kvm/asm-offsets.c b/arch/ia64/kvm/asm-offsets.c index 4e3dc13..0c3564a 100644 --- a/arch/ia64/kvm/asm-offsets.c +++ b/arch/ia64/kvm/asm-offsets.c @@ -24,19 +24,10 @@ #include <linux/autoconf.h> #include <linux/kvm_host.h> +#include <linux/kbuild.h> #include "vcpu.h" -#define task_struct kvm_vcpu - -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " (%0) " #val : : "i" (val)) - -#define BLANK() asm volatile("\n->" : :) - -#define OFFSET(_sym, _str, _mem) \ - DEFINE(_sym, offsetof(_str, _mem)); - void foo(void) { DEFINE(VMM_TASK_SIZE, sizeof(struct kvm_vcpu)); diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index af1464f..4e586f6 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -31,6 +31,7 @@ #include <linux/bitops.h> #include <linux/hrtimer.h> #include <linux/uaccess.h> +#include <linux/iommu.h> #include <linux/intel-iommu.h> #include <asm/pgtable.h> @@ -180,7 +181,6 @@ int kvm_dev_ioctl_check_extension(long ext) switch (ext) { case KVM_CAP_IRQCHIP: - case KVM_CAP_USER_MEMORY: case KVM_CAP_MP_STATE: r = 1; @@ -189,7 +189,7 @@ int kvm_dev_ioctl_check_extension(long ext) r = KVM_COALESCED_MMIO_PAGE_OFFSET; break; case KVM_CAP_IOMMU: - r = intel_iommu_found(); + r = iommu_found(); break; default: r = 0; @@ -439,7 +439,6 @@ int kvm_emulate_halt(struct kvm_vcpu *vcpu) expires = div64_u64(itc_diff, cyc_per_usec); kt = ktime_set(0, 1000 * expires); - down_read(&vcpu->kvm->slots_lock); vcpu->arch.ht_active = 1; hrtimer_start(p_ht, kt, HRTIMER_MODE_ABS); @@ -452,7 +451,6 @@ int kvm_emulate_halt(struct kvm_vcpu *vcpu) if (vcpu->arch.mp_state == KVM_MP_STATE_HALTED) vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; - up_read(&vcpu->kvm->slots_lock); if (vcpu->arch.mp_state != KVM_MP_STATE_RUNNABLE) return -EINTR; @@ -476,6 +474,13 @@ static int handle_external_interrupt(struct kvm_vcpu *vcpu, return 1; } +static int handle_vcpu_debug(struct kvm_vcpu *vcpu, + struct kvm_run *kvm_run) +{ + printk("VMM: %s", vcpu->arch.log_buf); + return 1; +} + static int (*kvm_vti_exit_handlers[])(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) = { [EXIT_REASON_VM_PANIC] = handle_vm_error, @@ -487,6 +492,7 @@ static int (*kvm_vti_exit_handlers[])(struct kvm_vcpu *vcpu, [EXIT_REASON_EXTERNAL_INTERRUPT] = handle_external_interrupt, [EXIT_REASON_IPI] = handle_ipi, [EXIT_REASON_PTC_G] = handle_global_purge, + [EXIT_REASON_DEBUG] = handle_vcpu_debug, }; @@ -698,27 +704,24 @@ out: return r; } -/* - * Allocate 16M memory for every vm to hold its specific data. - * Its memory map is defined in kvm_host.h. - */ static struct kvm *kvm_alloc_kvm(void) { struct kvm *kvm; uint64_t vm_base; + BUG_ON(sizeof(struct kvm) > KVM_VM_STRUCT_SIZE); + vm_base = __get_free_pages(GFP_KERNEL, get_order(KVM_VM_DATA_SIZE)); if (!vm_base) return ERR_PTR(-ENOMEM); - printk(KERN_DEBUG"kvm: VM data's base Address:0x%lx\n", vm_base); - /* Zero all pages before use! */ memset((void *)vm_base, 0, KVM_VM_DATA_SIZE); - - kvm = (struct kvm *)(vm_base + KVM_VM_OFS); + kvm = (struct kvm *)(vm_base + + offsetof(struct kvm_vm_data, kvm_vm_struct)); kvm->arch.vm_base = vm_base; + printk(KERN_DEBUG"kvm: vm's data area:0x%lx\n", vm_base); return kvm; } @@ -760,21 +763,12 @@ static void kvm_build_io_pmt(struct kvm *kvm) static void kvm_init_vm(struct kvm *kvm) { - long vm_base; - BUG_ON(!kvm); kvm->arch.metaphysical_rr0 = GUEST_PHYSICAL_RR0; kvm->arch.metaphysical_rr4 = GUEST_PHYSICAL_RR4; kvm->arch.vmm_init_rr = VMM_INIT_RR; - vm_base = kvm->arch.vm_base; - if (vm_base) { - kvm->arch.vhpt_base = vm_base + KVM_VHPT_OFS; - kvm->arch.vtlb_base = vm_base + KVM_VTLB_OFS; - kvm->arch.vpd_base = vm_base + KVM_VPD_OFS; - } - /* *Fill P2M entries for MMIO/IO ranges */ @@ -838,9 +832,8 @@ static int kvm_vm_ioctl_set_irqchip(struct kvm *kvm, struct kvm_irqchip *chip) int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) { - int i; struct vpd *vpd = to_host(vcpu->kvm, vcpu->arch.vpd); - int r; + int i; vcpu_load(vcpu); @@ -857,18 +850,7 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) vpd->vpr = regs->vpd.vpr; - r = -EFAULT; - r = copy_from_user(&vcpu->arch.guest, regs->saved_guest, - sizeof(union context)); - if (r) - goto out; - r = copy_from_user(vcpu + 1, regs->saved_stack + - sizeof(struct kvm_vcpu), - IA64_STK_OFFSET - sizeof(struct kvm_vcpu)); - if (r) - goto out; - vcpu->arch.exit_data = - ((struct kvm_vcpu *)(regs->saved_stack))->arch.exit_data; + memcpy(&vcpu->arch.guest, ®s->saved_guest, sizeof(union context)); RESTORE_REGS(mp_state); RESTORE_REGS(vmm_rr); @@ -902,9 +884,8 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) set_bit(KVM_REQ_RESUME, &vcpu->requests); vcpu_put(vcpu); - r = 0; -out: - return r; + + return 0; } long kvm_arch_vm_ioctl(struct file *filp, @@ -1166,10 +1147,11 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) /*Set entry address for first run.*/ regs->cr_iip = PALE_RESET_ENTRY; - /*Initilize itc offset for vcpus*/ + /*Initialize itc offset for vcpus*/ itc_offset = 0UL - ia64_getreg(_IA64_REG_AR_ITC); - for (i = 0; i < MAX_VCPU_NUM; i++) { - v = (struct kvm_vcpu *)((char *)vcpu + VCPU_SIZE * i); + for (i = 0; i < KVM_MAX_VCPUS; i++) { + v = (struct kvm_vcpu *)((char *)vcpu + + sizeof(struct kvm_vcpu_data) * i); v->arch.itc_offset = itc_offset; v->arch.last_itc = 0; } @@ -1183,7 +1165,7 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) vcpu->arch.apic->vcpu = vcpu; p_ctx->gr[1] = 0; - p_ctx->gr[12] = (unsigned long)((char *)vmm_vcpu + IA64_STK_OFFSET); + p_ctx->gr[12] = (unsigned long)((char *)vmm_vcpu + KVM_STK_OFFSET); p_ctx->gr[13] = (unsigned long)vmm_vcpu; p_ctx->psr = 0x1008522000UL; p_ctx->ar[40] = FPSR_DEFAULT; /*fpsr*/ @@ -1218,12 +1200,12 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) vcpu->arch.hlt_timer.function = hlt_timer_fn; vcpu->arch.last_run_cpu = -1; - vcpu->arch.vpd = (struct vpd *)VPD_ADDR(vcpu->vcpu_id); + vcpu->arch.vpd = (struct vpd *)VPD_BASE(vcpu->vcpu_id); vcpu->arch.vsa_base = kvm_vsa_base; vcpu->arch.__gp = kvm_vmm_gp; vcpu->arch.dirty_log_lock_pa = __pa(&kvm->arch.dirty_log_lock); - vcpu->arch.vhpt.hash = (struct thash_data *)VHPT_ADDR(vcpu->vcpu_id); - vcpu->arch.vtlb.hash = (struct thash_data *)VTLB_ADDR(vcpu->vcpu_id); + vcpu->arch.vhpt.hash = (struct thash_data *)VHPT_BASE(vcpu->vcpu_id); + vcpu->arch.vtlb.hash = (struct thash_data *)VTLB_BASE(vcpu->vcpu_id); init_ptce_info(vcpu); r = 0; @@ -1273,12 +1255,22 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, int r; int cpu; + BUG_ON(sizeof(struct kvm_vcpu) > VCPU_STRUCT_SIZE/2); + + r = -EINVAL; + if (id >= KVM_MAX_VCPUS) { + printk(KERN_ERR"kvm: Can't configure vcpus > %ld", + KVM_MAX_VCPUS); + goto fail; + } + r = -ENOMEM; if (!vm_base) { printk(KERN_ERR"kvm: Create vcpu[%d] error!\n", id); goto fail; } - vcpu = (struct kvm_vcpu *)(vm_base + KVM_VCPU_OFS + VCPU_SIZE * id); + vcpu = (struct kvm_vcpu *)(vm_base + offsetof(struct kvm_vm_data, + vcpu_data[id].vcpu_struct)); vcpu->kvm = kvm; cpu = get_cpu(); @@ -1374,9 +1366,9 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) { - int i; - int r; struct vpd *vpd = to_host(vcpu->kvm, vcpu->arch.vpd); + int i; + vcpu_load(vcpu); for (i = 0; i < 16; i++) { @@ -1391,14 +1383,8 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) regs->vpd.vpsr = vpd->vpsr; regs->vpd.vpr = vpd->vpr; - r = -EFAULT; - r = copy_to_user(regs->saved_guest, &vcpu->arch.guest, - sizeof(union context)); - if (r) - goto out; - r = copy_to_user(regs->saved_stack, (void *)vcpu, IA64_STK_OFFSET); - if (r) - goto out; + memcpy(®s->saved_guest, &vcpu->arch.guest, sizeof(union context)); + SAVE_REGS(mp_state); SAVE_REGS(vmm_rr); memcpy(regs->itrs, vcpu->arch.itrs, sizeof(struct thash_data) * NITRS); @@ -1426,10 +1412,9 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) SAVE_REGS(metaphysical_saved_rr4); SAVE_REGS(fp_psr); SAVE_REGS(saved_gp); + vcpu_put(vcpu); - r = 0; -out: - return r; + return 0; } void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) @@ -1457,6 +1442,9 @@ int kvm_arch_set_memory_region(struct kvm *kvm, struct kvm_memory_slot *memslot = &kvm->memslots[mem->slot]; unsigned long base_gfn = memslot->base_gfn; + if (base_gfn + npages > (KVM_MAX_MEM_SIZE >> PAGE_SHIFT)) + return -ENOMEM; + for (i = 0; i < npages; i++) { pfn = gfn_to_pfn(kvm, base_gfn + i); if (!kvm_is_mmio_pfn(pfn)) { @@ -1631,8 +1619,8 @@ static int kvm_ia64_sync_dirty_log(struct kvm *kvm, struct kvm_memory_slot *memslot; int r, i; long n, base; - unsigned long *dirty_bitmap = (unsigned long *)((void *)kvm - KVM_VM_OFS - + KVM_MEM_DIRTY_LOG_OFS); + unsigned long *dirty_bitmap = (unsigned long *)(kvm->arch.vm_base + + offsetof(struct kvm_vm_data, kvm_mem_dirty_log)); r = -EINVAL; if (log->slot >= KVM_MEMORY_SLOTS) diff --git a/arch/ia64/kvm/kvm_lib.c b/arch/ia64/kvm/kvm_lib.c new file mode 100644 index 0000000..a85cb61 --- /dev/null +++ b/arch/ia64/kvm/kvm_lib.c @@ -0,0 +1,15 @@ +/* + * kvm_lib.c: Compile some libraries for kvm-intel module. + * + * Just include kernel's library, and disable symbols export. + * Copyright (C) 2008, Intel Corporation. + * Xiantao Zhang (xiantao.zhang@intel.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. + * + */ +#undef CONFIG_MODULES +#include "../../../lib/vsprintf.c" +#include "../../../lib/ctype.c" diff --git a/arch/ia64/kvm/kvm_minstate.h b/arch/ia64/kvm/kvm_minstate.h index 2cc41d1..b2bcaa2 100644 --- a/arch/ia64/kvm/kvm_minstate.h +++ b/arch/ia64/kvm/kvm_minstate.h @@ -24,6 +24,8 @@ #include <asm/asmmacro.h> #include <asm/types.h> #include <asm/kregs.h> +#include <asm/kvm_host.h> + #include "asm-offsets.h" #define KVM_MINSTATE_START_SAVE_MIN \ @@ -33,7 +35,7 @@ addl r22 = VMM_RBS_OFFSET,r1; /* compute base of RBS */ \ ;; \ lfetch.fault.excl.nt1 [r22]; \ - addl r1 = IA64_STK_OFFSET-VMM_PT_REGS_SIZE,r1; /* compute base of memory stack */ \ + addl r1 = KVM_STK_OFFSET-VMM_PT_REGS_SIZE, r1; \ mov r23 = ar.bspstore; /* save ar.bspstore */ \ ;; \ mov ar.bspstore = r22; /* switch to kernel RBS */\ diff --git a/arch/ia64/kvm/misc.h b/arch/ia64/kvm/misc.h index e585c46..dd979e0 100644 --- a/arch/ia64/kvm/misc.h +++ b/arch/ia64/kvm/misc.h @@ -27,7 +27,8 @@ */ static inline uint64_t *kvm_host_get_pmt(struct kvm *kvm) { - return (uint64_t *)(kvm->arch.vm_base + KVM_P2M_OFS); + return (uint64_t *)(kvm->arch.vm_base + + offsetof(struct kvm_vm_data, kvm_p2m)); } static inline void kvm_set_pmt_entry(struct kvm *kvm, gfn_t gfn, diff --git a/arch/ia64/kvm/mmio.c b/arch/ia64/kvm/mmio.c index 7f1a858..21f63ff 100644 --- a/arch/ia64/kvm/mmio.c +++ b/arch/ia64/kvm/mmio.c @@ -66,31 +66,25 @@ void lsapic_write(struct kvm_vcpu *v, unsigned long addr, switch (addr) { case PIB_OFST_INTA: - /*panic_domain(NULL, "Undefined write on PIB INTA\n");*/ - panic_vm(v); + panic_vm(v, "Undefined write on PIB INTA\n"); break; case PIB_OFST_XTP: if (length == 1) { vlsapic_write_xtp(v, val); } else { - /*panic_domain(NULL, - "Undefined write on PIB XTP\n");*/ - panic_vm(v); + panic_vm(v, "Undefined write on PIB XTP\n"); } break; default: if (PIB_LOW_HALF(addr)) { - /*lower half */ + /*Lower half */ if (length != 8) - /*panic_domain(NULL, - "Can't LHF write with size %ld!\n", - length);*/ - panic_vm(v); + panic_vm(v, "Can't LHF write with size %ld!\n", + length); else vlsapic_write_ipi(v, addr, val); - } else { /* upper half - printk("IPI-UHF write %lx\n",addr);*/ - panic_vm(v); + } else { /*Upper half */ + panic_vm(v, "IPI-UHF write %lx\n", addr); } break; } @@ -108,22 +102,18 @@ unsigned long lsapic_read(struct kvm_vcpu *v, unsigned long addr, if (length == 1) /* 1 byte load */ ; /* There is no i8259, there is no INTA access*/ else - /*panic_domain(NULL,"Undefined read on PIB INTA\n"); */ - panic_vm(v); + panic_vm(v, "Undefined read on PIB INTA\n"); break; case PIB_OFST_XTP: if (length == 1) { result = VLSAPIC_XTP(v); - /* printk("read xtp %lx\n", result); */ } else { - /*panic_domain(NULL, - "Undefined read on PIB XTP\n");*/ - panic_vm(v); + panic_vm(v, "Undefined read on PIB XTP\n"); } break; default: - panic_vm(v); + panic_vm(v, "Undefined addr access for lsapic!\n"); break; } return result; @@ -162,7 +152,7 @@ static void mmio_access(struct kvm_vcpu *vcpu, u64 src_pa, u64 *dest, /* it's necessary to ensure zero extending */ *dest = p->u.ioreq.data & (~0UL >> (64-(s*8))); } else - panic_vm(vcpu); + panic_vm(vcpu, "Unhandled mmio access returned!\n"); out: local_irq_restore(psr); return ; @@ -324,7 +314,9 @@ void emulate_io_inst(struct kvm_vcpu *vcpu, u64 padr, u64 ma) return; } else { inst_type = -1; - panic_vm(vcpu); + panic_vm(vcpu, "Unsupported MMIO access instruction! \ + Bunld[0]=0x%lx, Bundle[1]=0x%lx\n", + bundle.i64[0], bundle.i64[1]); } size = 1 << size; @@ -335,7 +327,7 @@ void emulate_io_inst(struct kvm_vcpu *vcpu, u64 padr, u64 ma) if (inst_type == SL_INTEGER) vcpu_set_gr(vcpu, inst.M1.r1, data, 0); else - panic_vm(vcpu); + panic_vm(vcpu, "Unsupported instruction type!\n"); } vcpu_increment_iip(vcpu); diff --git a/arch/ia64/kvm/process.c b/arch/ia64/kvm/process.c index 8008173..552d077 100644 --- a/arch/ia64/kvm/process.c +++ b/arch/ia64/kvm/process.c @@ -527,7 +527,8 @@ void reflect_interruption(u64 ifa, u64 isr, u64 iim, vector = vec2off[vec]; if (!(vpsr & IA64_PSR_IC) && (vector != IA64_DATA_NESTED_TLB_VECTOR)) { - panic_vm(vcpu); + panic_vm(vcpu, "Interruption with vector :0x%lx occurs " + "with psr.ic = 0\n", vector); return; } @@ -586,7 +587,7 @@ static void set_pal_call_result(struct kvm_vcpu *vcpu) vcpu_set_gr(vcpu, 10, p->u.pal_data.ret.v1, 0); vcpu_set_gr(vcpu, 11, p->u.pal_data.ret.v2, 0); } else - panic_vm(vcpu); + panic_vm(vcpu, "Mis-set for exit reason!\n"); } static void set_sal_call_data(struct kvm_vcpu *vcpu) @@ -614,7 +615,7 @@ static void set_sal_call_result(struct kvm_vcpu *vcpu) vcpu_set_gr(vcpu, 10, p->u.sal_data.ret.r10, 0); vcpu_set_gr(vcpu, 11, p->u.sal_data.ret.r11, 0); } else - panic_vm(vcpu); + panic_vm(vcpu, "Mis-set for exit reason!\n"); } void kvm_ia64_handle_break(unsigned long ifa, struct kvm_pt_regs *regs, @@ -680,7 +681,7 @@ static void generate_exirq(struct kvm_vcpu *vcpu) vpsr = VCPU(vcpu, vpsr); isr = vpsr & IA64_PSR_RI; if (!(vpsr & IA64_PSR_IC)) - panic_vm(vcpu); + panic_vm(vcpu, "Trying to inject one IRQ with psr.ic=0\n"); reflect_interruption(0, isr, 0, 12, regs); /* EXT IRQ */ } @@ -941,8 +942,20 @@ static void vcpu_do_resume(struct kvm_vcpu *vcpu) ia64_set_pta(vcpu->arch.vhpt.pta.val); } +static void vmm_sanity_check(struct kvm_vcpu *vcpu) +{ + struct exit_ctl_data *p = &vcpu->arch.exit_data; + + if (!vmm_sanity && p->exit_reason != EXIT_REASON_DEBUG) { + panic_vm(vcpu, "Failed to do vmm sanity check," + "it maybe caused by crashed vmm!!\n\n"); + } +} + static void kvm_do_resume_op(struct kvm_vcpu *vcpu) { + vmm_sanity_check(vcpu); /*Guarantee vcpu runing on healthy vmm!*/ + if (test_and_clear_bit(KVM_REQ_RESUME, &vcpu->requests)) { vcpu_do_resume(vcpu); return; @@ -968,3 +981,11 @@ void vmm_transition(struct kvm_vcpu *vcpu) 1, 0, 0, 0, 0, 0); kvm_do_resume_op(vcpu); } + +void vmm_panic_handler(u64 vec) +{ + struct kvm_vcpu *vcpu = current_vcpu; + vmm_sanity = 0; + panic_vm(vcpu, "Unexpected interruption occurs in VMM, vector:0x%lx\n", + vec2off[vec]); +} diff --git a/arch/ia64/kvm/vcpu.c b/arch/ia64/kvm/vcpu.c index e44027c..ecd526b 100644 --- a/arch/ia64/kvm/vcpu.c +++ b/arch/ia64/kvm/vcpu.c @@ -816,8 +816,9 @@ static void vcpu_set_itc(struct kvm_vcpu *vcpu, u64 val) unsigned long vitv = VCPU(vcpu, itv); if (vcpu->vcpu_id == 0) { - for (i = 0; i < MAX_VCPU_NUM; i++) { - v = (struct kvm_vcpu *)((char *)vcpu + VCPU_SIZE * i); + for (i = 0; i < KVM_MAX_VCPUS; i++) { + v = (struct kvm_vcpu *)((char *)vcpu + + sizeof(struct kvm_vcpu_data) * i); VMX(v, itc_offset) = itc_offset; VMX(v, last_itc) = 0; } @@ -1650,7 +1651,8 @@ void vcpu_set_psr(struct kvm_vcpu *vcpu, unsigned long val) * Otherwise panic */ if (val & (IA64_PSR_PK | IA64_PSR_IS | IA64_PSR_VM)) - panic_vm(vcpu); + panic_vm(vcpu, "Only support guests with vpsr.pk =0 \ + & vpsr.is=0\n"); /* * For those IA64_PSR bits: id/da/dd/ss/ed/ia @@ -2103,7 +2105,7 @@ void kvm_init_all_rr(struct kvm_vcpu *vcpu) if (is_physical_mode(vcpu)) { if (vcpu->arch.mode_flags & GUEST_PHY_EMUL) - panic_vm(vcpu); + panic_vm(vcpu, "Machine Status conflicts!\n"); ia64_set_rr((VRN0 << VRN_SHIFT), vcpu->arch.metaphysical_rr0); ia64_dv_serialize_data(); @@ -2152,10 +2154,70 @@ int vmm_entry(void) return 0; } -void panic_vm(struct kvm_vcpu *v) -{ +static void kvm_show_registers(struct kvm_pt_regs *regs) +{ + unsigned long ip = regs->cr_iip + ia64_psr(regs)->ri; + + struct kvm_vcpu *vcpu = current_vcpu; + if (vcpu != NULL) + printk("vcpu 0x%p vcpu %d\n", + vcpu, vcpu->vcpu_id); + + printk("psr : %016lx ifs : %016lx ip : [<%016lx>]\n", + regs->cr_ipsr, regs->cr_ifs, ip); + + printk("unat: %016lx pfs : %016lx rsc : %016lx\n", + regs->ar_unat, regs->ar_pfs, regs->ar_rsc); + printk("rnat: %016lx bspstore: %016lx pr : %016lx\n", + regs->ar_rnat, regs->ar_bspstore, regs->pr); + printk("ldrs: %016lx ccv : %016lx fpsr: %016lx\n", + regs->loadrs, regs->ar_ccv, regs->ar_fpsr); + printk("csd : %016lx ssd : %016lx\n", regs->ar_csd, regs->ar_ssd); + printk("b0 : %016lx b6 : %016lx b7 : %016lx\n", regs->b0, + regs->b6, regs->b7); + printk("f6 : %05lx%016lx f7 : %05lx%016lx\n", + regs->f6.u.bits[1], regs->f6.u.bits[0], + regs->f7.u.bits[1], regs->f7.u.bits[0]); + printk("f8 : %05lx%016lx f9 : %05lx%016lx\n", + regs->f8.u.bits[1], regs->f8.u.bits[0], + regs->f9.u.bits[1], regs->f9.u.bits[0]); + printk("f10 : %05lx%016lx f11 : %05lx%016lx\n", + regs->f10.u.bits[1], regs->f10.u.bits[0], + regs->f11.u.bits[1], regs->f11.u.bits[0]); + + printk("r1 : %016lx r2 : %016lx r3 : %016lx\n", regs->r1, + regs->r2, regs->r3); + printk("r8 : %016lx r9 : %016lx r10 : %016lx\n", regs->r8, + regs->r9, regs->r10); + printk("r11 : %016lx r12 : %016lx r13 : %016lx\n", regs->r11, + regs->r12, regs->r13); + printk("r14 : %016lx r15 : %016lx r16 : %016lx\n", regs->r14, + regs->r15, regs->r16); + printk("r17 : %016lx r18 : %016lx r19 : %016lx\n", regs->r17, + regs->r18, regs->r19); + printk("r20 : %016lx r21 : %016lx r22 : %016lx\n", regs->r20, + regs->r21, regs->r22); + printk("r23 : %016lx r24 : %016lx r25 : %016lx\n", regs->r23, + regs->r24, regs->r25); + printk("r26 : %016lx r27 : %016lx r28 : %016lx\n", regs->r26, + regs->r27, regs->r28); + printk("r29 : %016lx r30 : %016lx r31 : %016lx\n", regs->r29, + regs->r30, regs->r31); + +} + +void panic_vm(struct kvm_vcpu *v, const char *fmt, ...) +{ + va_list args; + char buf[256]; + + struct kvm_pt_regs *regs = vcpu_regs(v); struct exit_ctl_data *p = &v->arch.exit_data; - + va_start(args, fmt); + vsnprintf(buf, sizeof(buf), fmt, args); + va_end(args); + printk(buf); + kvm_show_registers(regs); p->exit_reason = EXIT_REASON_VM_PANIC; vmm_transition(v); /*Never to return*/ diff --git a/arch/ia64/kvm/vcpu.h b/arch/ia64/kvm/vcpu.h index e9b2a4e..b2f12a5 100644 --- a/arch/ia64/kvm/vcpu.h +++ b/arch/ia64/kvm/vcpu.h @@ -737,9 +737,12 @@ void kvm_init_vtlb(struct kvm_vcpu *v); void kvm_init_vhpt(struct kvm_vcpu *v); void thash_init(struct thash_cb *hcb, u64 sz); -void panic_vm(struct kvm_vcpu *v); +void panic_vm(struct kvm_vcpu *v, const char *fmt, ...); extern u64 ia64_call_vsa(u64 proc, u64 arg1, u64 arg2, u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7); + +extern long vmm_sanity; + #endif #endif /* __VCPU_H__ */ diff --git a/arch/ia64/kvm/vmm.c b/arch/ia64/kvm/vmm.c index 2275bf4..9eee5c0 100644 --- a/arch/ia64/kvm/vmm.c +++ b/arch/ia64/kvm/vmm.c @@ -20,6 +20,7 @@ */ +#include<linux/kernel.h> #include<linux/module.h> #include<asm/fpswa.h> @@ -31,6 +32,8 @@ MODULE_LICENSE("GPL"); extern char kvm_ia64_ivt; extern fpswa_interface_t *vmm_fpswa_interface; +long vmm_sanity = 1; + struct kvm_vmm_info vmm_info = { .module = THIS_MODULE, .vmm_entry = vmm_entry, @@ -62,5 +65,31 @@ void vmm_spin_unlock(spinlock_t *lock) { _vmm_raw_spin_unlock(lock); } + +static void vcpu_debug_exit(struct kvm_vcpu *vcpu) +{ + struct exit_ctl_data *p = &vcpu->arch.exit_data; + long psr; + + local_irq_save(psr); + p->exit_reason = EXIT_REASON_DEBUG; + vmm_transition(vcpu); + local_irq_restore(psr); +} + +asmlinkage int printk(const char *fmt, ...) +{ + struct kvm_vcpu *vcpu = current_vcpu; + va_list args; + int r; + + memset(vcpu->arch.log_buf, 0, VMM_LOG_LEN); + va_start(args, fmt); + r = vsnprintf(vcpu->arch.log_buf, VMM_LOG_LEN, fmt, args); + va_end(args); + vcpu_debug_exit(vcpu); + return r; +} + module_init(kvm_vmm_init) module_exit(kvm_vmm_exit) diff --git a/arch/ia64/kvm/vmm_ivt.S b/arch/ia64/kvm/vmm_ivt.S index c1d7251..3ef1a01 100644 --- a/arch/ia64/kvm/vmm_ivt.S +++ b/arch/ia64/kvm/vmm_ivt.S @@ -1,5 +1,5 @@ /* - * /ia64/kvm_ivt.S + * arch/ia64/kvm/vmm_ivt.S * * Copyright (C) 1998-2001, 2003 Hewlett-Packard Co * Stephane Eranian <eranian@hpl.hp.com> @@ -70,32 +70,39 @@ # define PSR_DEFAULT_BITS 0 #endif - #define KVM_FAULT(n) \ - kvm_fault_##n:; \ - mov r19=n;; \ - br.sptk.many kvm_fault_##n; \ - ;; \ - + kvm_fault_##n:; \ + mov r19=n;; \ + br.sptk.many kvm_vmm_panic; \ + ;; \ #define KVM_REFLECT(n) \ - mov r31=pr; \ - mov r19=n; /* prepare to save predicates */ \ - mov r29=cr.ipsr; \ - ;; \ - tbit.z p6,p7=r29,IA64_PSR_VM_BIT; \ -(p7)br.sptk.many kvm_dispatch_reflection; \ - br.sptk.many kvm_panic; \ - - -GLOBAL_ENTRY(kvm_panic) - br.sptk.many kvm_panic - ;; -END(kvm_panic) - - - - + mov r31=pr; \ + mov r19=n; /* prepare to save predicates */ \ + mov r29=cr.ipsr; \ + ;; \ + tbit.z p6,p7=r29,IA64_PSR_VM_BIT; \ +(p7) br.sptk.many kvm_dispatch_reflection; \ + br.sptk.many kvm_vmm_panic; \ + +GLOBAL_ENTRY(kvm_vmm_panic) + KVM_SAVE_MIN_WITH_COVER_R19 + alloc r14=ar.pfs,0,0,1,0 + mov out0=r15 + adds r3=8,r2 // set up second base pointer + ;; + ssm psr.ic + ;; + srlz.i // guarantee that interruption collection is on + ;; + //(p15) ssm psr.i // restore psr.i + addl r14=@gprel(ia64_leave_hypervisor),gp + ;; + KVM_SAVE_REST + mov rp=r14 + ;; + br.call.sptk.many b6=vmm_panic_handler; +END(kvm_vmm_panic) .section .text.ivt,"ax" @@ -105,308 +112,307 @@ kvm_ia64_ivt: /////////////////////////////////////////////////////////////// // 0x0000 Entry 0 (size 64 bundles) VHPT Translation (8,20,47) ENTRY(kvm_vhpt_miss) - KVM_FAULT(0) + KVM_FAULT(0) END(kvm_vhpt_miss) - .org kvm_ia64_ivt+0x400 //////////////////////////////////////////////////////////////// // 0x0400 Entry 1 (size 64 bundles) ITLB (21) ENTRY(kvm_itlb_miss) - mov r31 = pr - mov r29=cr.ipsr; - ;; - tbit.z p6,p7=r29,IA64_PSR_VM_BIT; - (p6) br.sptk kvm_alt_itlb_miss - mov r19 = 1 - br.sptk kvm_itlb_miss_dispatch - KVM_FAULT(1); + mov r31 = pr + mov r29=cr.ipsr; + ;; + tbit.z p6,p7=r29,IA64_PSR_VM_BIT; +(p6) br.sptk kvm_alt_itlb_miss + mov r19 = 1 + br.sptk kvm_itlb_miss_dispatch + KVM_FAULT(1); END(kvm_itlb_miss) .org kvm_ia64_ivt+0x0800 ////////////////////////////////////////////////////////////////// // 0x0800 Entry 2 (size 64 bundles) DTLB (9,48) ENTRY(kvm_dtlb_miss) - mov r31 = pr - mov r29=cr.ipsr; - ;; - tbit.z p6,p7=r29,IA64_PSR_VM_BIT; -(p6)br.sptk kvm_alt_dtlb_miss - br.sptk kvm_dtlb_miss_dispatch + mov r31 = pr + mov r29=cr.ipsr; + ;; + tbit.z p6,p7=r29,IA64_PSR_VM_BIT; +(p6) br.sptk kvm_alt_dtlb_miss + br.sptk kvm_dtlb_miss_dispatch END(kvm_dtlb_miss) .org kvm_ia64_ivt+0x0c00 //////////////////////////////////////////////////////////////////// // 0x0c00 Entry 3 (size 64 bundles) Alt ITLB (19) ENTRY(kvm_alt_itlb_miss) - mov r16=cr.ifa // get address that caused the TLB miss - ;; - movl r17=PAGE_KERNEL - mov r24=cr.ipsr - movl r19=(((1 << IA64_MAX_PHYS_BITS) - 1) & ~0xfff) - ;; - and r19=r19,r16 // clear ed, reserved bits, and PTE control bits - ;; - or r19=r17,r19 // insert PTE control bits into r19 - ;; - movl r20=IA64_GRANULE_SHIFT<<2 - ;; - mov cr.itir=r20 - ;; - itc.i r19 // insert the TLB entry - mov pr=r31,-1 - rfi + mov r16=cr.ifa // get address that caused the TLB miss + ;; + movl r17=PAGE_KERNEL + mov r24=cr.ipsr + movl r19=(((1 << IA64_MAX_PHYS_BITS) - 1) & ~0xfff) + ;; + and r19=r19,r16 // clear ed, reserved bits, and PTE control bits + ;; + or r19=r17,r19 // insert PTE control bits into r19 + ;; + movl r20=IA64_GRANULE_SHIFT<<2 + ;; + mov cr.itir=r20 + ;; + itc.i r19 // insert the TLB entry + mov pr=r31,-1 + rfi END(kvm_alt_itlb_miss) .org kvm_ia64_ivt+0x1000 ///////////////////////////////////////////////////////////////////// // 0x1000 Entry 4 (size 64 bundles) Alt DTLB (7,46) ENTRY(kvm_alt_dtlb_miss) - mov r16=cr.ifa // get address that caused the TLB miss - ;; - movl r17=PAGE_KERNEL - movl r19=(((1 << IA64_MAX_PHYS_BITS) - 1) & ~0xfff) - mov r24=cr.ipsr - ;; - and r19=r19,r16 // clear ed, reserved bits, and PTE control bits - ;; - or r19=r19,r17 // insert PTE control bits into r19 - ;; - movl r20=IA64_GRANULE_SHIFT<<2 - ;; - mov cr.itir=r20 - ;; - itc.d r19 // insert the TLB entry - mov pr=r31,-1 - rfi + mov r16=cr.ifa // get address that caused the TLB miss + ;; + movl r17=PAGE_KERNEL + movl r19=(((1 << IA64_MAX_PHYS_BITS) - 1) & ~0xfff) + mov r24=cr.ipsr + ;; + and r19=r19,r16 // clear ed, reserved bits, and PTE control bits + ;; + or r19=r19,r17 // insert PTE control bits into r19 + ;; + movl r20=IA64_GRANULE_SHIFT<<2 + ;; + mov cr.itir=r20 + ;; + itc.d r19 // insert the TLB entry + mov pr=r31,-1 + rfi END(kvm_alt_dtlb_miss) .org kvm_ia64_ivt+0x1400 ////////////////////////////////////////////////////////////////////// // 0x1400 Entry 5 (size 64 bundles) Data nested TLB (6,45) ENTRY(kvm_nested_dtlb_miss) - KVM_FAULT(5) + KVM_FAULT(5) END(kvm_nested_dtlb_miss) .org kvm_ia64_ivt+0x1800 ///////////////////////////////////////////////////////////////////// // 0x1800 Entry 6 (size 64 bundles) Instruction Key Miss (24) ENTRY(kvm_ikey_miss) - KVM_REFLECT(6) + KVM_REFLECT(6) END(kvm_ikey_miss) .org kvm_ia64_ivt+0x1c00 ///////////////////////////////////////////////////////////////////// // 0x1c00 Entry 7 (size 64 bundles) Data Key Miss (12,51) ENTRY(kvm_dkey_miss) - KVM_REFLECT(7) + KVM_REFLECT(7) END(kvm_dkey_miss) .org kvm_ia64_ivt+0x2000 //////////////////////////////////////////////////////////////////// // 0x2000 Entry 8 (size 64 bundles) Dirty-bit (54) ENTRY(kvm_dirty_bit) - KVM_REFLECT(8) + KVM_REFLECT(8) END(kvm_dirty_bit) .org kvm_ia64_ivt+0x2400 //////////////////////////////////////////////////////////////////// // 0x2400 Entry 9 (size 64 bundles) Instruction Access-bit (27) ENTRY(kvm_iaccess_bit) - KVM_REFLECT(9) + KVM_REFLECT(9) END(kvm_iaccess_bit) .org kvm_ia64_ivt+0x2800 /////////////////////////////////////////////////////////////////// // 0x2800 Entry 10 (size 64 bundles) Data Access-bit (15,55) ENTRY(kvm_daccess_bit) - KVM_REFLECT(10) + KVM_REFLECT(10) END(kvm_daccess_bit) .org kvm_ia64_ivt+0x2c00 ///////////////////////////////////////////////////////////////// // 0x2c00 Entry 11 (size 64 bundles) Break instruction (33) ENTRY(kvm_break_fault) - mov r31=pr - mov r19=11 - mov r29=cr.ipsr - ;; - KVM_SAVE_MIN_WITH_COVER_R19 - ;; - alloc r14=ar.pfs,0,0,4,0 // now it's safe (must be first in insn group!) - mov out0=cr.ifa - mov out2=cr.isr // FIXME: pity to make this slow access twice - mov out3=cr.iim // FIXME: pity to make this slow access twice - adds r3=8,r2 // set up second base pointer - ;; - ssm psr.ic - ;; - srlz.i // guarantee that interruption collection is on - ;; - //(p15)ssm psr.i // restore psr.i - addl r14=@gprel(ia64_leave_hypervisor),gp - ;; - KVM_SAVE_REST - mov rp=r14 - ;; - adds out1=16,sp - br.call.sptk.many b6=kvm_ia64_handle_break - ;; + mov r31=pr + mov r19=11 + mov r29=cr.ipsr + ;; + KVM_SAVE_MIN_WITH_COVER_R19 + ;; + alloc r14=ar.pfs,0,0,4,0 //(must be first in insn group!) + mov out0=cr.ifa + mov out2=cr.isr // FIXME: pity to make this slow access twice + mov out3=cr.iim // FIXME: pity to make this slow access twice + adds r3=8,r2 // set up second base pointer + ;; + ssm psr.ic + ;; + srlz.i // guarantee that interruption collection is on + ;; + //(p15)ssm psr.i // restore psr.i + addl r14=@gprel(ia64_leave_hypervisor),gp + ;; + KVM_SAVE_REST + mov rp=r14 + ;; + adds out1=16,sp + br.call.sptk.many b6=kvm_ia64_handle_break + ;; END(kvm_break_fault) .org kvm_ia64_ivt+0x3000 ///////////////////////////////////////////////////////////////// // 0x3000 Entry 12 (size 64 bundles) External Interrupt (4) ENTRY(kvm_interrupt) - mov r31=pr // prepare to save predicates - mov r19=12 - mov r29=cr.ipsr - ;; - tbit.z p6,p7=r29,IA64_PSR_VM_BIT - tbit.z p0,p15=r29,IA64_PSR_I_BIT - ;; -(p7) br.sptk kvm_dispatch_interrupt - ;; - mov r27=ar.rsc /* M */ - mov r20=r1 /* A */ - mov r25=ar.unat /* M */ - mov r26=ar.pfs /* I */ - mov r28=cr.iip /* M */ - cover /* B (or nothing) */ - ;; - mov r1=sp - ;; - invala /* M */ - mov r30=cr.ifs - ;; - addl r1=-VMM_PT_REGS_SIZE,r1 - ;; - adds r17=2*L1_CACHE_BYTES,r1 /* really: biggest cache-line size */ - adds r16=PT(CR_IPSR),r1 - ;; - lfetch.fault.excl.nt1 [r17],L1_CACHE_BYTES - st8 [r16]=r29 /* save cr.ipsr */ - ;; - lfetch.fault.excl.nt1 [r17] - mov r29=b0 - ;; - adds r16=PT(R8),r1 /* initialize first base pointer */ - adds r17=PT(R9),r1 /* initialize second base pointer */ - mov r18=r0 /* make sure r18 isn't NaT */ - ;; + mov r31=pr // prepare to save predicates + mov r19=12 + mov r29=cr.ipsr + ;; + tbit.z p6,p7=r29,IA64_PSR_VM_BIT + tbit.z p0,p15=r29,IA64_PSR_I_BIT + ;; +(p7) br.sptk kvm_dispatch_interrupt + ;; + mov r27=ar.rsc /* M */ + mov r20=r1 /* A */ + mov r25=ar.unat /* M */ + mov r26=ar.pfs /* I */ + mov r28=cr.iip /* M */ + cover /* B (or nothing) */ + ;; + mov r1=sp + ;; + invala /* M */ + mov r30=cr.ifs + ;; + addl r1=-VMM_PT_REGS_SIZE,r1 + ;; + adds r17=2*L1_CACHE_BYTES,r1 /* really: biggest cache-line size */ + adds r16=PT(CR_IPSR),r1 + ;; + lfetch.fault.excl.nt1 [r17],L1_CACHE_BYTES + st8 [r16]=r29 /* save cr.ipsr */ + ;; + lfetch.fault.excl.nt1 [r17] + mov r29=b0 + ;; + adds r16=PT(R8),r1 /* initialize first base pointer */ + adds r17=PT(R9),r1 /* initialize second base pointer */ + mov r18=r0 /* make sure r18 isn't NaT */ + ;; .mem.offset 0,0; st8.spill [r16]=r8,16 .mem.offset 8,0; st8.spill [r17]=r9,16 ;; .mem.offset 0,0; st8.spill [r16]=r10,24 .mem.offset 8,0; st8.spill [r17]=r11,24 ;; - st8 [r16]=r28,16 /* save cr.iip */ - st8 [r17]=r30,16 /* save cr.ifs */ - mov r8=ar.fpsr /* M */ - mov r9=ar.csd - mov r10=ar.ssd - movl r11=FPSR_DEFAULT /* L-unit */ - ;; - st8 [r16]=r25,16 /* save ar.unat */ - st8 [r17]=r26,16 /* save ar.pfs */ - shl r18=r18,16 /* compute ar.rsc to be used for "loadrs" */ - ;; - st8 [r16]=r27,16 /* save ar.rsc */ - adds r17=16,r17 /* skip over ar_rnat field */ - ;; - st8 [r17]=r31,16 /* save predicates */ - adds r16=16,r16 /* skip over ar_bspstore field */ - ;; - st8 [r16]=r29,16 /* save b0 */ - st8 [r17]=r18,16 /* save ar.rsc value for "loadrs" */ - ;; + st8 [r16]=r28,16 /* save cr.iip */ + st8 [r17]=r30,16 /* save cr.ifs */ + mov r8=ar.fpsr /* M */ + mov r9=ar.csd + mov r10=ar.ssd + movl r11=FPSR_DEFAULT /* L-unit */ + ;; + st8 [r16]=r25,16 /* save ar.unat */ + st8 [r17]=r26,16 /* save ar.pfs */ + shl r18=r18,16 /* compute ar.rsc to be used for "loadrs" */ + ;; + st8 [r16]=r27,16 /* save ar.rsc */ + adds r17=16,r17 /* skip over ar_rnat field */ + ;; + st8 [r17]=r31,16 /* save predicates */ + adds r16=16,r16 /* skip over ar_bspstore field */ + ;; + st8 [r16]=r29,16 /* save b0 */ + st8 [r17]=r18,16 /* save ar.rsc value for "loadrs" */ + ;; .mem.offset 0,0; st8.spill [r16]=r20,16 /* save original r1 */ .mem.offset 8,0; st8.spill [r17]=r12,16 - adds r12=-16,r1 - /* switch to kernel memory stack (with 16 bytes of scratch) */ - ;; + adds r12=-16,r1 + /* switch to kernel memory stack (with 16 bytes of scratch) */ + ;; .mem.offset 0,0; st8.spill [r16]=r13,16 .mem.offset 8,0; st8.spill [r17]=r8,16 /* save ar.fpsr */ - ;; + ;; .mem.offset 0,0; st8.spill [r16]=r15,16 .mem.offset 8,0; st8.spill [r17]=r14,16 - dep r14=-1,r0,60,4 - ;; + dep r14=-1,r0,60,4 + ;; .mem.offset 0,0; st8.spill [r16]=r2,16 .mem.offset 8,0; st8.spill [r17]=r3,16 - adds r2=VMM_PT_REGS_R16_OFFSET,r1 - adds r14 = VMM_VCPU_GP_OFFSET,r13 - ;; - mov r8=ar.ccv - ld8 r14 = [r14] - ;; - mov r1=r14 /* establish kernel global pointer */ - ;; \ - bsw.1 - ;; - alloc r14=ar.pfs,0,0,1,0 // must be first in an insn group - mov out0=r13 - ;; - ssm psr.ic - ;; - srlz.i - ;; - //(p15) ssm psr.i - adds r3=8,r2 // set up second base pointer for SAVE_REST - srlz.i // ensure everybody knows psr.ic is back on - ;; + adds r2=VMM_PT_REGS_R16_OFFSET,r1 + adds r14 = VMM_VCPU_GP_OFFSET,r13 + ;; + mov r8=ar.ccv + ld8 r14 = [r14] + ;; + mov r1=r14 /* establish kernel global pointer */ + ;; \ + bsw.1 + ;; + alloc r14=ar.pfs,0,0,1,0 // must be first in an insn group + mov out0=r13 + ;; + ssm psr.ic + ;; + srlz.i + ;; + //(p15) ssm psr.i + adds r3=8,r2 // set up second base pointer for SAVE_REST + srlz.i // ensure everybody knows psr.ic is back on + ;; .mem.offset 0,0; st8.spill [r2]=r16,16 .mem.offset 8,0; st8.spill [r3]=r17,16 - ;; + ;; .mem.offset 0,0; st8.spill [r2]=r18,16 .mem.offset 8,0; st8.spill [r3]=r19,16 - ;; + ;; .mem.offset 0,0; st8.spill [r2]=r20,16 .mem.offset 8,0; st8.spill [r3]=r21,16 - mov r18=b6 - ;; + mov r18=b6 + ;; .mem.offset 0,0; st8.spill [r2]=r22,16 .mem.offset 8,0; st8.spill [r3]=r23,16 - mov r19=b7 - ;; + mov r19=b7 + ;; .mem.offset 0,0; st8.spill [r2]=r24,16 .mem.offset 8,0; st8.spill [r3]=r25,16 - ;; + ;; .mem.offset 0,0; st8.spill [r2]=r26,16 .mem.offset 8,0; st8.spill [r3]=r27,16 - ;; + ;; .mem.offset 0,0; st8.spill [r2]=r28,16 .mem.offset 8,0; st8.spill [r3]=r29,16 - ;; + ;; .mem.offset 0,0; st8.spill [r2]=r30,16 .mem.offset 8,0; st8.spill [r3]=r31,32 - ;; - mov ar.fpsr=r11 /* M-unit */ - st8 [r2]=r8,8 /* ar.ccv */ - adds r24=PT(B6)-PT(F7),r3 - ;; - stf.spill [r2]=f6,32 - stf.spill [r3]=f7,32 - ;; - stf.spill [r2]=f8,32 - stf.spill [r3]=f9,32 - ;; - stf.spill [r2]=f10 - stf.spill [r3]=f11 - adds r25=PT(B7)-PT(F11),r3 - ;; - st8 [r24]=r18,16 /* b6 */ - st8 [r25]=r19,16 /* b7 */ - ;; - st8 [r24]=r9 /* ar.csd */ - st8 [r25]=r10 /* ar.ssd */ - ;; - srlz.d // make sure we see the effect of cr.ivr - addl r14=@gprel(ia64_leave_nested),gp - ;; - mov rp=r14 - br.call.sptk.many b6=kvm_ia64_handle_irq - ;; + ;; + mov ar.fpsr=r11 /* M-unit */ + st8 [r2]=r8,8 /* ar.ccv */ + adds r24=PT(B6)-PT(F7),r3 + ;; + stf.spill [r2]=f6,32 + stf.spill [r3]=f7,32 + ;; + stf.spill [r2]=f8,32 + stf.spill [r3]=f9,32 + ;; + stf.spill [r2]=f10 + stf.spill [r3]=f11 + adds r25=PT(B7)-PT(F11),r3 + ;; + st8 [r24]=r18,16 /* b6 */ + st8 [r25]=r19,16 /* b7 */ + ;; + st8 [r24]=r9 /* ar.csd */ + st8 [r25]=r10 /* ar.ssd */ + ;; + srlz.d // make sure we see the effect of cr.ivr + addl r14=@gprel(ia64_leave_nested),gp + ;; + mov rp=r14 + br.call.sptk.many b6=kvm_ia64_handle_irq + ;; END(kvm_interrupt) .global kvm_dispatch_vexirq @@ -414,387 +420,385 @@ END(kvm_interrupt) ////////////////////////////////////////////////////////////////////// // 0x3400 Entry 13 (size 64 bundles) Reserved ENTRY(kvm_virtual_exirq) - mov r31=pr - mov r19=13 - mov r30 =r0 - ;; + mov r31=pr + mov r19=13 + mov r30 =r0 + ;; kvm_dispatch_vexirq: - cmp.eq p6,p0 = 1,r30 - ;; -(p6)add r29 = VMM_VCPU_SAVED_GP_OFFSET,r21 - ;; -(p6)ld8 r1 = [r29] - ;; - KVM_SAVE_MIN_WITH_COVER_R19 - alloc r14=ar.pfs,0,0,1,0 - mov out0=r13 - - ssm psr.ic - ;; - srlz.i // guarantee that interruption collection is on - ;; - //(p15) ssm psr.i // restore psr.i - adds r3=8,r2 // set up second base pointer - ;; - KVM_SAVE_REST - addl r14=@gprel(ia64_leave_hypervisor),gp - ;; - mov rp=r14 - br.call.sptk.many b6=kvm_vexirq + cmp.eq p6,p0 = 1,r30 + ;; +(p6) add r29 = VMM_VCPU_SAVED_GP_OFFSET,r21 + ;; +(p6) ld8 r1 = [r29] + ;; + KVM_SAVE_MIN_WITH_COVER_R19 + alloc r14=ar.pfs,0,0,1,0 + mov out0=r13 + + ssm psr.ic + ;; + srlz.i // guarantee that interruption collection is on + ;; + //(p15) ssm psr.i // restore psr.i + adds r3=8,r2 // set up second base pointer + ;; + KVM_SAVE_REST + addl r14=@gprel(ia64_leave_hypervisor),gp + ;; + mov rp=r14 + br.call.sptk.many b6=kvm_vexirq END(kvm_virtual_exirq) .org kvm_ia64_ivt+0x3800 ///////////////////////////////////////////////////////////////////// // 0x3800 Entry 14 (size 64 bundles) Reserved - KVM_FAULT(14) - // this code segment is from 2.6.16.13 - + KVM_FAULT(14) + // this code segment is from 2.6.16.13 .org kvm_ia64_ivt+0x3c00 /////////////////////////////////////////////////////////////////////// // 0x3c00 Entry 15 (size 64 bundles) Reserved - KVM_FAULT(15) - + KVM_FAULT(15) .org kvm_ia64_ivt+0x4000 /////////////////////////////////////////////////////////////////////// // 0x4000 Entry 16 (size 64 bundles) Reserved - KVM_FAULT(16) + KVM_FAULT(16) .org kvm_ia64_ivt+0x4400 ////////////////////////////////////////////////////////////////////// // 0x4400 Entry 17 (size 64 bundles) Reserved - KVM_FAULT(17) + KVM_FAULT(17) .org kvm_ia64_ivt+0x4800 ////////////////////////////////////////////////////////////////////// // 0x4800 Entry 18 (size 64 bundles) Reserved - KVM_FAULT(18) + KVM_FAULT(18) .org kvm_ia64_ivt+0x4c00 ////////////////////////////////////////////////////////////////////// // 0x4c00 Entry 19 (size 64 bundles) Reserved - KVM_FAULT(19) + KVM_FAULT(19) .org kvm_ia64_ivt+0x5000 ////////////////////////////////////////////////////////////////////// // 0x5000 Entry 20 (size 16 bundles) Page Not Present ENTRY(kvm_page_not_present) - KVM_REFLECT(20) + KVM_REFLECT(20) END(kvm_page_not_present) .org kvm_ia64_ivt+0x5100 /////////////////////////////////////////////////////////////////////// // 0x5100 Entry 21 (size 16 bundles) Key Permission vector ENTRY(kvm_key_permission) - KVM_REFLECT(21) + KVM_REFLECT(21) END(kvm_key_permission) .org kvm_ia64_ivt+0x5200 ////////////////////////////////////////////////////////////////////// // 0x5200 Entry 22 (size 16 bundles) Instruction Access Rights (26) ENTRY(kvm_iaccess_rights) - KVM_REFLECT(22) + KVM_REFLECT(22) END(kvm_iaccess_rights) .org kvm_ia64_ivt+0x5300 ////////////////////////////////////////////////////////////////////// // 0x5300 Entry 23 (size 16 bundles) Data Access Rights (14,53) ENTRY(kvm_daccess_rights) - KVM_REFLECT(23) + KVM_REFLECT(23) END(kvm_daccess_rights) .org kvm_ia64_ivt+0x5400 ///////////////////////////////////////////////////////////////////// // 0x5400 Entry 24 (size 16 bundles) General Exception (5,32,34,36,38,39) ENTRY(kvm_general_exception) - KVM_REFLECT(24) - KVM_FAULT(24) + KVM_REFLECT(24) + KVM_FAULT(24) END(kvm_general_exception) .org kvm_ia64_ivt+0x5500 ////////////////////////////////////////////////////////////////////// // 0x5500 Entry 25 (size 16 bundles) Disabled FP-Register (35) ENTRY(kvm_disabled_fp_reg) - KVM_REFLECT(25) + KVM_REFLECT(25) END(kvm_disabled_fp_reg) .org kvm_ia64_ivt+0x5600 //////////////////////////////////////////////////////////////////// // 0x5600 Entry 26 (size 16 bundles) Nat Consumption (11,23,37,50) ENTRY(kvm_nat_consumption) - KVM_REFLECT(26) + KVM_REFLECT(26) END(kvm_nat_consumption) .org kvm_ia64_ivt+0x5700 ///////////////////////////////////////////////////////////////////// // 0x5700 Entry 27 (size 16 bundles) Speculation (40) ENTRY(kvm_speculation_vector) - KVM_REFLECT(27) + KVM_REFLECT(27) END(kvm_speculation_vector) .org kvm_ia64_ivt+0x5800 ///////////////////////////////////////////////////////////////////// // 0x5800 Entry 28 (size 16 bundles) Reserved - KVM_FAULT(28) + KVM_FAULT(28) .org kvm_ia64_ivt+0x5900 /////////////////////////////////////////////////////////////////// // 0x5900 Entry 29 (size 16 bundles) Debug (16,28,56) ENTRY(kvm_debug_vector) - KVM_FAULT(29) + KVM_FAULT(29) END(kvm_debug_vector) .org kvm_ia64_ivt+0x5a00 /////////////////////////////////////////////////////////////// // 0x5a00 Entry 30 (size 16 bundles) Unaligned Reference (57) ENTRY(kvm_unaligned_access) - KVM_REFLECT(30) + KVM_REFLECT(30) END(kvm_unaligned_access) .org kvm_ia64_ivt+0x5b00 ////////////////////////////////////////////////////////////////////// // 0x5b00 Entry 31 (size 16 bundles) Unsupported Data Reference (57) ENTRY(kvm_unsupported_data_reference) - KVM_REFLECT(31) + KVM_REFLECT(31) END(kvm_unsupported_data_reference) .org kvm_ia64_ivt+0x5c00 //////////////////////////////////////////////////////////////////// // 0x5c00 Entry 32 (size 16 bundles) Floating Point FAULT (65) ENTRY(kvm_floating_point_fault) - KVM_REFLECT(32) + KVM_REFLECT(32) END(kvm_floating_point_fault) .org kvm_ia64_ivt+0x5d00 ///////////////////////////////////////////////////////////////////// // 0x5d00 Entry 33 (size 16 bundles) Floating Point Trap (66) ENTRY(kvm_floating_point_trap) - KVM_REFLECT(33) + KVM_REFLECT(33) END(kvm_floating_point_trap) .org kvm_ia64_ivt+0x5e00 ////////////////////////////////////////////////////////////////////// // 0x5e00 Entry 34 (size 16 bundles) Lower Privilege Transfer Trap (66) ENTRY(kvm_lower_privilege_trap) - KVM_REFLECT(34) + KVM_REFLECT(34) END(kvm_lower_privilege_trap) .org kvm_ia64_ivt+0x5f00 ////////////////////////////////////////////////////////////////////// // 0x5f00 Entry 35 (size 16 bundles) Taken Branch Trap (68) ENTRY(kvm_taken_branch_trap) - KVM_REFLECT(35) + KVM_REFLECT(35) END(kvm_taken_branch_trap) .org kvm_ia64_ivt+0x6000 //////////////////////////////////////////////////////////////////// // 0x6000 Entry 36 (size 16 bundles) Single Step Trap (69) ENTRY(kvm_single_step_trap) - KVM_REFLECT(36) + KVM_REFLECT(36) END(kvm_single_step_trap) .global kvm_virtualization_fault_back .org kvm_ia64_ivt+0x6100 ///////////////////////////////////////////////////////////////////// // 0x6100 Entry 37 (size 16 bundles) Virtualization Fault ENTRY(kvm_virtualization_fault) - mov r31=pr - adds r16 = VMM_VCPU_SAVED_GP_OFFSET,r21 - ;; - st8 [r16] = r1 - adds r17 = VMM_VCPU_GP_OFFSET, r21 - ;; - ld8 r1 = [r17] - cmp.eq p6,p0=EVENT_MOV_FROM_AR,r24 - cmp.eq p7,p0=EVENT_MOV_FROM_RR,r24 - cmp.eq p8,p0=EVENT_MOV_TO_RR,r24 - cmp.eq p9,p0=EVENT_RSM,r24 - cmp.eq p10,p0=EVENT_SSM,r24 - cmp.eq p11,p0=EVENT_MOV_TO_PSR,r24 - cmp.eq p12,p0=EVENT_THASH,r24 - (p6) br.dptk.many kvm_asm_mov_from_ar - (p7) br.dptk.many kvm_asm_mov_from_rr - (p8) br.dptk.many kvm_asm_mov_to_rr - (p9) br.dptk.many kvm_asm_rsm - (p10) br.dptk.many kvm_asm_ssm - (p11) br.dptk.many kvm_asm_mov_to_psr - (p12) br.dptk.many kvm_asm_thash - ;; + mov r31=pr + adds r16 = VMM_VCPU_SAVED_GP_OFFSET,r21 + ;; + st8 [r16] = r1 + adds r17 = VMM_VCPU_GP_OFFSET, r21 + ;; + ld8 r1 = [r17] + cmp.eq p6,p0=EVENT_MOV_FROM_AR,r24 + cmp.eq p7,p0=EVENT_MOV_FROM_RR,r24 + cmp.eq p8,p0=EVENT_MOV_TO_RR,r24 + cmp.eq p9,p0=EVENT_RSM,r24 + cmp.eq p10,p0=EVENT_SSM,r24 + cmp.eq p11,p0=EVENT_MOV_TO_PSR,r24 + cmp.eq p12,p0=EVENT_THASH,r24 +(p6) br.dptk.many kvm_asm_mov_from_ar +(p7) br.dptk.many kvm_asm_mov_from_rr +(p8) br.dptk.many kvm_asm_mov_to_rr +(p9) br.dptk.many kvm_asm_rsm +(p10) br.dptk.many kvm_asm_ssm +(p11) br.dptk.many kvm_asm_mov_to_psr +(p12) br.dptk.many kvm_asm_thash + ;; kvm_virtualization_fault_back: - adds r16 = VMM_VCPU_SAVED_GP_OFFSET,r21 - ;; - ld8 r1 = [r16] - ;; - mov r19=37 - adds r16 = VMM_VCPU_CAUSE_OFFSET,r21 - adds r17 = VMM_VCPU_OPCODE_OFFSET,r21 - ;; - st8 [r16] = r24 - st8 [r17] = r25 - ;; - cmp.ne p6,p0=EVENT_RFI, r24 - (p6) br.sptk kvm_dispatch_virtualization_fault - ;; - adds r18=VMM_VPD_BASE_OFFSET,r21 - ;; - ld8 r18=[r18] - ;; - adds r18=VMM_VPD_VIFS_OFFSET,r18 - ;; - ld8 r18=[r18] - ;; - tbit.z p6,p0=r18,63 - (p6) br.sptk kvm_dispatch_virtualization_fault - ;; - //if vifs.v=1 desert current register frame - alloc r18=ar.pfs,0,0,0,0 - br.sptk kvm_dispatch_virtualization_fault + adds r16 = VMM_VCPU_SAVED_GP_OFFSET,r21 + ;; + ld8 r1 = [r16] + ;; + mov r19=37 + adds r16 = VMM_VCPU_CAUSE_OFFSET,r21 + adds r17 = VMM_VCPU_OPCODE_OFFSET,r21 + ;; + st8 [r16] = r24 + st8 [r17] = r25 + ;; + cmp.ne p6,p0=EVENT_RFI, r24 +(p6) br.sptk kvm_dispatch_virtualization_fault + ;; + adds r18=VMM_VPD_BASE_OFFSET,r21 + ;; + ld8 r18=[r18] + ;; + adds r18=VMM_VPD_VIFS_OFFSET,r18 + ;; + ld8 r18=[r18] + ;; + tbit.z p6,p0=r18,63 +(p6) br.sptk kvm_dispatch_virtualization_fault + ;; +//if vifs.v=1 desert current register frame + alloc r18=ar.pfs,0,0,0,0 + br.sptk kvm_dispatch_virtualization_fault END(kvm_virtualization_fault) .org kvm_ia64_ivt+0x6200 ////////////////////////////////////////////////////////////// // 0x6200 Entry 38 (size 16 bundles) Reserved - KVM_FAULT(38) + KVM_FAULT(38) .org kvm_ia64_ivt+0x6300 ///////////////////////////////////////////////////////////////// // 0x6300 Entry 39 (size 16 bundles) Reserved - KVM_FAULT(39) + KVM_FAULT(39) .org kvm_ia64_ivt+0x6400 ///////////////////////////////////////////////////////////////// // 0x6400 Entry 40 (size 16 bundles) Reserved - KVM_FAULT(40) + KVM_FAULT(40) .org kvm_ia64_ivt+0x6500 ////////////////////////////////////////////////////////////////// // 0x6500 Entry 41 (size 16 bundles) Reserved - KVM_FAULT(41) + KVM_FAULT(41) .org kvm_ia64_ivt+0x6600 ////////////////////////////////////////////////////////////////// // 0x6600 Entry 42 (size 16 bundles) Reserved - KVM_FAULT(42) + KVM_FAULT(42) .org kvm_ia64_ivt+0x6700 ////////////////////////////////////////////////////////////////// // 0x6700 Entry 43 (size 16 bundles) Reserved - KVM_FAULT(43) + KVM_FAULT(43) .org kvm_ia64_ivt+0x6800 ////////////////////////////////////////////////////////////////// // 0x6800 Entry 44 (size 16 bundles) Reserved - KVM_FAULT(44) + KVM_FAULT(44) .org kvm_ia64_ivt+0x6900 /////////////////////////////////////////////////////////////////// // 0x6900 Entry 45 (size 16 bundles) IA-32 Exeception //(17,18,29,41,42,43,44,58,60,61,62,72,73,75,76,77) ENTRY(kvm_ia32_exception) - KVM_FAULT(45) + KVM_FAULT(45) END(kvm_ia32_exception) .org kvm_ia64_ivt+0x6a00 //////////////////////////////////////////////////////////////////// // 0x6a00 Entry 46 (size 16 bundles) IA-32 Intercept (30,31,59,70,71) ENTRY(kvm_ia32_intercept) - KVM_FAULT(47) + KVM_FAULT(47) END(kvm_ia32_intercept) .org kvm_ia64_ivt+0x6c00 ///////////////////////////////////////////////////////////////////// // 0x6c00 Entry 48 (size 16 bundles) Reserved - KVM_FAULT(48) + KVM_FAULT(48) .org kvm_ia64_ivt+0x6d00 ////////////////////////////////////////////////////////////////////// // 0x6d00 Entry 49 (size 16 bundles) Reserved - KVM_FAULT(49) + KVM_FAULT(49) .org kvm_ia64_ivt+0x6e00 ////////////////////////////////////////////////////////////////////// // 0x6e00 Entry 50 (size 16 bundles) Reserved - KVM_FAULT(50) + KVM_FAULT(50) .org kvm_ia64_ivt+0x6f00 ///////////////////////////////////////////////////////////////////// // 0x6f00 Entry 51 (size 16 bundles) Reserved - KVM_FAULT(52) + KVM_FAULT(52) .org kvm_ia64_ivt+0x7100 //////////////////////////////////////////////////////////////////// // 0x7100 Entry 53 (size 16 bundles) Reserved - KVM_FAULT(53) + KVM_FAULT(53) .org kvm_ia64_ivt+0x7200 ///////////////////////////////////////////////////////////////////// // 0x7200 Entry 54 (size 16 bundles) Reserved - KVM_FAULT(54) + KVM_FAULT(54) .org kvm_ia64_ivt+0x7300 //////////////////////////////////////////////////////////////////// // 0x7300 Entry 55 (size 16 bundles) Reserved - KVM_FAULT(55) + KVM_FAULT(55) .org kvm_ia64_ivt+0x7400 //////////////////////////////////////////////////////////////////// // 0x7400 Entry 56 (size 16 bundles) Reserved - KVM_FAULT(56) + KVM_FAULT(56) .org kvm_ia64_ivt+0x7500 ///////////////////////////////////////////////////////////////////// // 0x7500 Entry 57 (size 16 bundles) Reserved - KVM_FAULT(57) + KVM_FAULT(57) .org kvm_ia64_ivt+0x7600 ///////////////////////////////////////////////////////////////////// // 0x7600 Entry 58 (size 16 bundles) Reserved - KVM_FAULT(58) + KVM_FAULT(58) .org kvm_ia64_ivt+0x7700 //////////////////////////////////////////////////////////////////// // 0x7700 Entry 59 (size 16 bundles) Reserved - KVM_FAULT(59) + KVM_FAULT(59) .org kvm_ia64_ivt+0x7800 //////////////////////////////////////////////////////////////////// // 0x7800 Entry 60 (size 16 bundles) Reserved - KVM_FAULT(60) + KVM_FAULT(60) .org kvm_ia64_ivt+0x7900 ///////////////////////////////////////////////////////////////////// // 0x7900 Entry 61 (size 16 bundles) Reserved - KVM_FAULT(61) + KVM_FAULT(61) .org kvm_ia64_ivt+0x7a00 ///////////////////////////////////////////////////////////////////// // 0x7a00 Entry 62 (size 16 bundles) Reserved - KVM_FAULT(62) + KVM_FAULT(62) .org kvm_ia64_ivt+0x7b00 ///////////////////////////////////////////////////////////////////// // 0x7b00 Entry 63 (size 16 bundles) Reserved - KVM_FAULT(63) + KVM_FAULT(63) .org kvm_ia64_ivt+0x7c00 //////////////////////////////////////////////////////////////////// // 0x7c00 Entry 64 (size 16 bundles) Reserved - KVM_FAULT(64) + KVM_FAULT(64) .org kvm_ia64_ivt+0x7d00 ///////////////////////////////////////////////////////////////////// // 0x7d00 Entry 65 (size 16 bundles) Reserved - KVM_FAULT(65) + KVM_FAULT(65) .org kvm_ia64_ivt+0x7e00 ///////////////////////////////////////////////////////////////////// // 0x7e00 Entry 66 (size 16 bundles) Reserved - KVM_FAULT(66) + KVM_FAULT(66) .org kvm_ia64_ivt+0x7f00 //////////////////////////////////////////////////////////////////// // 0x7f00 Entry 67 (size 16 bundles) Reserved - KVM_FAULT(67) + KVM_FAULT(67) .org kvm_ia64_ivt+0x8000 // There is no particular reason for this code to be here, other than that @@ -804,132 +808,128 @@ END(kvm_ia32_intercept) ENTRY(kvm_dtlb_miss_dispatch) - mov r19 = 2 - KVM_SAVE_MIN_WITH_COVER_R19 - alloc r14=ar.pfs,0,0,3,0 - mov out0=cr.ifa - mov out1=r15 - adds r3=8,r2 // set up second base pointer - ;; - ssm psr.ic - ;; - srlz.i // guarantee that interruption collection is on - ;; - //(p15) ssm psr.i // restore psr.i - addl r14=@gprel(ia64_leave_hypervisor_prepare),gp - ;; - KVM_SAVE_REST - KVM_SAVE_EXTRA - mov rp=r14 - ;; - adds out2=16,r12 - br.call.sptk.many b6=kvm_page_fault + mov r19 = 2 + KVM_SAVE_MIN_WITH_COVER_R19 + alloc r14=ar.pfs,0,0,3,0 + mov out0=cr.ifa + mov out1=r15 + adds r3=8,r2 // set up second base pointer + ;; + ssm psr.ic + ;; + srlz.i // guarantee that interruption collection is on + ;; + //(p15) ssm psr.i // restore psr.i + addl r14=@gprel(ia64_leave_hypervisor_prepare),gp + ;; + KVM_SAVE_REST + KVM_SAVE_EXTRA + mov rp=r14 + ;; + adds out2=16,r12 + br.call.sptk.many b6=kvm_page_fault END(kvm_dtlb_miss_dispatch) ENTRY(kvm_itlb_miss_dispatch) - KVM_SAVE_MIN_WITH_COVER_R19 - alloc r14=ar.pfs,0,0,3,0 - mov out0=cr.ifa - mov out1=r15 - adds r3=8,r2 // set up second base pointer - ;; - ssm psr.ic - ;; - srlz.i // guarantee that interruption collection is on - ;; - //(p15) ssm psr.i // restore psr.i - addl r14=@gprel(ia64_leave_hypervisor),gp - ;; - KVM_SAVE_REST - mov rp=r14 - ;; - adds out2=16,r12 - br.call.sptk.many b6=kvm_page_fault + KVM_SAVE_MIN_WITH_COVER_R19 + alloc r14=ar.pfs,0,0,3,0 + mov out0=cr.ifa + mov out1=r15 + adds r3=8,r2 // set up second base pointer + ;; + ssm psr.ic + ;; + srlz.i // guarantee that interruption collection is on + ;; + //(p15) ssm psr.i // restore psr.i + addl r14=@gprel(ia64_leave_hypervisor),gp + ;; + KVM_SAVE_REST + mov rp=r14 + ;; + adds out2=16,r12 + br.call.sptk.many b6=kvm_page_fault END(kvm_itlb_miss_dispatch) ENTRY(kvm_dispatch_reflection) - /* - * Input: - * psr.ic: off - * r19: intr type (offset into ivt, see ia64_int.h) - * r31: contains saved predicates (pr) - */ - KVM_SAVE_MIN_WITH_COVER_R19 - alloc r14=ar.pfs,0,0,5,0 - mov out0=cr.ifa - mov out1=cr.isr - mov out2=cr.iim - mov out3=r15 - adds r3=8,r2 // set up second base pointer - ;; - ssm psr.ic - ;; - srlz.i // guarantee that interruption collection is on - ;; - //(p15) ssm psr.i // restore psr.i - addl r14=@gprel(ia64_leave_hypervisor),gp - ;; - KVM_SAVE_REST - mov rp=r14 - ;; - adds out4=16,r12 - br.call.sptk.many b6=reflect_interruption +/* + * Input: + * psr.ic: off + * r19: intr type (offset into ivt, see ia64_int.h) + * r31: contains saved predicates (pr) + */ + KVM_SAVE_MIN_WITH_COVER_R19 + alloc r14=ar.pfs,0,0,5,0 + mov out0=cr.ifa + mov out1=cr.isr + mov out2=cr.iim + mov out3=r15 + adds r3=8,r2 // set up second base pointer + ;; + ssm psr.ic + ;; + srlz.i // guarantee that interruption collection is on + ;; + //(p15) ssm psr.i // restore psr.i + addl r14=@gprel(ia64_leave_hypervisor),gp + ;; + KVM_SAVE_REST + mov rp=r14 + ;; + adds out4=16,r12 + br.call.sptk.many b6=reflect_interruption END(kvm_dispatch_reflection) ENTRY(kvm_dispatch_virtualization_fault) - adds r16 = VMM_VCPU_CAUSE_OFFSET,r21 - adds r17 = VMM_VCPU_OPCODE_OFFSET,r21 - ;; - st8 [r16] = r24 - st8 [r17] = r25 - ;; - KVM_SAVE_MIN_WITH_COVER_R19 - ;; - alloc r14=ar.pfs,0,0,2,0 // now it's safe (must be first in insn group!) - mov out0=r13 //vcpu - adds r3=8,r2 // set up second base pointer - ;; - ssm psr.ic - ;; - srlz.i // guarantee that interruption collection is on - ;; - //(p15) ssm psr.i // restore psr.i - addl r14=@gprel(ia64_leave_hypervisor_prepare),gp - ;; - KVM_SAVE_REST - KVM_SAVE_EXTRA - mov rp=r14 - ;; - adds out1=16,sp //regs - br.call.sptk.many b6=kvm_emulate + adds r16 = VMM_VCPU_CAUSE_OFFSET,r21 + adds r17 = VMM_VCPU_OPCODE_OFFSET,r21 + ;; + st8 [r16] = r24 + st8 [r17] = r25 + ;; + KVM_SAVE_MIN_WITH_COVER_R19 + ;; + alloc r14=ar.pfs,0,0,2,0 // (must be first in insn group!) + mov out0=r13 //vcpu + adds r3=8,r2 // set up second base pointer + ;; + ssm psr.ic + ;; + srlz.i // guarantee that interruption collection is on + ;; + //(p15) ssm psr.i // restore psr.i + addl r14=@gprel(ia64_leave_hypervisor_prepare),gp + ;; + KVM_SAVE_REST + KVM_SAVE_EXTRA + mov rp=r14 + ;; + adds out1=16,sp //regs + br.call.sptk.many b6=kvm_emulate END(kvm_dispatch_virtualization_fault) ENTRY(kvm_dispatch_interrupt) - KVM_SAVE_MIN_WITH_COVER_R19 // uses r31; defines r2 and r3 - ;; - alloc r14=ar.pfs,0,0,1,0 // must be first in an insn group - //mov out0=cr.ivr // pass cr.ivr as first arg - adds r3=8,r2 // set up second base pointer for SAVE_REST - ;; - ssm psr.ic - ;; - srlz.i - ;; - //(p15) ssm psr.i - addl r14=@gprel(ia64_leave_hypervisor),gp - ;; - KVM_SAVE_REST - mov rp=r14 - ;; - mov out0=r13 // pass pointer to pt_regs as second arg - br.call.sptk.many b6=kvm_ia64_handle_irq + KVM_SAVE_MIN_WITH_COVER_R19 // uses r31; defines r2 and r3 + ;; + alloc r14=ar.pfs,0,0,1,0 // must be first in an insn group + adds r3=8,r2 // set up second base pointer for SAVE_REST + ;; + ssm psr.ic + ;; + srlz.i + ;; + //(p15) ssm psr.i + addl r14=@gprel(ia64_leave_hypervisor),gp + ;; + KVM_SAVE_REST + mov rp=r14 + ;; + mov out0=r13 // pass pointer to pt_regs as second arg + br.call.sptk.many b6=kvm_ia64_handle_irq END(kvm_dispatch_interrupt) - - - GLOBAL_ENTRY(ia64_leave_nested) rsm psr.i ;; @@ -1008,7 +1008,7 @@ GLOBAL_ENTRY(ia64_leave_nested) ;; ldf.fill f11=[r2] // mov r18=r13 -// mov r21=r13 +// mov r21=r13 adds r16=PT(CR_IPSR)+16,r12 adds r17=PT(CR_IIP)+16,r12 ;; @@ -1058,138 +1058,135 @@ GLOBAL_ENTRY(ia64_leave_nested) rfi END(ia64_leave_nested) - - GLOBAL_ENTRY(ia64_leave_hypervisor_prepare) - /* - * work.need_resched etc. mustn't get changed - *by this CPU before it returns to - ;; - * user- or fsys-mode, hence we disable interrupts early on: - */ - adds r2 = PT(R4)+16,r12 - adds r3 = PT(R5)+16,r12 - adds r8 = PT(EML_UNAT)+16,r12 - ;; - ld8 r8 = [r8] - ;; - mov ar.unat=r8 - ;; - ld8.fill r4=[r2],16 //load r4 - ld8.fill r5=[r3],16 //load r5 - ;; - ld8.fill r6=[r2] //load r6 - ld8.fill r7=[r3] //load r7 - ;; +/* + * work.need_resched etc. mustn't get changed + *by this CPU before it returns to + * user- or fsys-mode, hence we disable interrupts early on: + */ + adds r2 = PT(R4)+16,r12 + adds r3 = PT(R5)+16,r12 + adds r8 = PT(EML_UNAT)+16,r12 + ;; + ld8 r8 = [r8] + ;; + mov ar.unat=r8 + ;; + ld8.fill r4=[r2],16 //load r4 + ld8.fill r5=[r3],16 //load r5 + ;; + ld8.fill r6=[r2] //load r6 + ld8.fill r7=[r3] //load r7 + ;; END(ia64_leave_hypervisor_prepare) //fall through GLOBAL_ENTRY(ia64_leave_hypervisor) - rsm psr.i - ;; - br.call.sptk.many b0=leave_hypervisor_tail - ;; - adds r20=PT(PR)+16,r12 - adds r8=PT(EML_UNAT)+16,r12 - ;; - ld8 r8=[r8] - ;; - mov ar.unat=r8 - ;; - lfetch [r20],PT(CR_IPSR)-PT(PR) - adds r2 = PT(B6)+16,r12 - adds r3 = PT(B7)+16,r12 - ;; - lfetch [r20] - ;; - ld8 r24=[r2],16 /* B6 */ - ld8 r25=[r3],16 /* B7 */ - ;; - ld8 r26=[r2],16 /* ar_csd */ - ld8 r27=[r3],16 /* ar_ssd */ - mov b6 = r24 - ;; - ld8.fill r8=[r2],16 - ld8.fill r9=[r3],16 - mov b7 = r25 - ;; - mov ar.csd = r26 - mov ar.ssd = r27 - ;; - ld8.fill r10=[r2],PT(R15)-PT(R10) - ld8.fill r11=[r3],PT(R14)-PT(R11) - ;; - ld8.fill r15=[r2],PT(R16)-PT(R15) - ld8.fill r14=[r3],PT(R17)-PT(R14) - ;; - ld8.fill r16=[r2],16 - ld8.fill r17=[r3],16 - ;; - ld8.fill r18=[r2],16 - ld8.fill r19=[r3],16 - ;; - ld8.fill r20=[r2],16 - ld8.fill r21=[r3],16 - ;; - ld8.fill r22=[r2],16 - ld8.fill r23=[r3],16 - ;; - ld8.fill r24=[r2],16 - ld8.fill r25=[r3],16 - ;; - ld8.fill r26=[r2],16 - ld8.fill r27=[r3],16 - ;; - ld8.fill r28=[r2],16 - ld8.fill r29=[r3],16 - ;; - ld8.fill r30=[r2],PT(F6)-PT(R30) - ld8.fill r31=[r3],PT(F7)-PT(R31) - ;; - rsm psr.i | psr.ic - // initiate turning off of interrupt and interruption collection - invala // invalidate ALAT - ;; - srlz.i // ensure interruption collection is off - ;; - bsw.0 - ;; - adds r16 = PT(CR_IPSR)+16,r12 - adds r17 = PT(CR_IIP)+16,r12 - mov r21=r13 // get current - ;; - ld8 r31=[r16],16 // load cr.ipsr - ld8 r30=[r17],16 // load cr.iip - ;; - ld8 r29=[r16],16 // load cr.ifs - ld8 r28=[r17],16 // load ar.unat - ;; - ld8 r27=[r16],16 // load ar.pfs - ld8 r26=[r17],16 // load ar.rsc - ;; - ld8 r25=[r16],16 // load ar.rnat - ld8 r24=[r17],16 // load ar.bspstore - ;; - ld8 r23=[r16],16 // load predicates - ld8 r22=[r17],16 // load b0 - ;; - ld8 r20=[r16],16 // load ar.rsc value for "loadrs" - ld8.fill r1=[r17],16 //load r1 - ;; - ld8.fill r12=[r16],16 //load r12 - ld8.fill r13=[r17],PT(R2)-PT(R13) //load r13 - ;; - ld8 r19=[r16],PT(R3)-PT(AR_FPSR) //load ar_fpsr - ld8.fill r2=[r17],PT(AR_CCV)-PT(R2) //load r2 - ;; - ld8.fill r3=[r16] //load r3 - ld8 r18=[r17] //load ar_ccv - ;; - mov ar.fpsr=r19 - mov ar.ccv=r18 - shr.u r18=r20,16 - ;; + rsm psr.i + ;; + br.call.sptk.many b0=leave_hypervisor_tail + ;; + adds r20=PT(PR)+16,r12 + adds r8=PT(EML_UNAT)+16,r12 + ;; + ld8 r8=[r8] + ;; + mov ar.unat=r8 + ;; + lfetch [r20],PT(CR_IPSR)-PT(PR) + adds r2 = PT(B6)+16,r12 + adds r3 = PT(B7)+16,r12 + ;; + lfetch [r20] + ;; + ld8 r24=[r2],16 /* B6 */ + ld8 r25=[r3],16 /* B7 */ + ;; + ld8 r26=[r2],16 /* ar_csd */ + ld8 r27=[r3],16 /* ar_ssd */ + mov b6 = r24 + ;; + ld8.fill r8=[r2],16 + ld8.fill r9=[r3],16 + mov b7 = r25 + ;; + mov ar.csd = r26 + mov ar.ssd = r27 + ;; + ld8.fill r10=[r2],PT(R15)-PT(R10) + ld8.fill r11=[r3],PT(R14)-PT(R11) + ;; + ld8.fill r15=[r2],PT(R16)-PT(R15) + ld8.fill r14=[r3],PT(R17)-PT(R14) + ;; + ld8.fill r16=[r2],16 + ld8.fill r17=[r3],16 + ;; + ld8.fill r18=[r2],16 + ld8.fill r19=[r3],16 + ;; + ld8.fill r20=[r2],16 + ld8.fill r21=[r3],16 + ;; + ld8.fill r22=[r2],16 + ld8.fill r23=[r3],16 + ;; + ld8.fill r24=[r2],16 + ld8.fill r25=[r3],16 + ;; + ld8.fill r26=[r2],16 + ld8.fill r27=[r3],16 + ;; + ld8.fill r28=[r2],16 + ld8.fill r29=[r3],16 + ;; + ld8.fill r30=[r2],PT(F6)-PT(R30) + ld8.fill r31=[r3],PT(F7)-PT(R31) + ;; + rsm psr.i | psr.ic + // initiate turning off of interrupt and interruption collection + invala // invalidate ALAT + ;; + srlz.i // ensure interruption collection is off + ;; + bsw.0 + ;; + adds r16 = PT(CR_IPSR)+16,r12 + adds r17 = PT(CR_IIP)+16,r12 + mov r21=r13 // get current + ;; + ld8 r31=[r16],16 // load cr.ipsr + ld8 r30=[r17],16 // load cr.iip + ;; + ld8 r29=[r16],16 // load cr.ifs + ld8 r28=[r17],16 // load ar.unat + ;; + ld8 r27=[r16],16 // load ar.pfs + ld8 r26=[r17],16 // load ar.rsc + ;; + ld8 r25=[r16],16 // load ar.rnat + ld8 r24=[r17],16 // load ar.bspstore + ;; + ld8 r23=[r16],16 // load predicates + ld8 r22=[r17],16 // load b0 + ;; + ld8 r20=[r16],16 // load ar.rsc value for "loadrs" + ld8.fill r1=[r17],16 //load r1 + ;; + ld8.fill r12=[r16],16 //load r12 + ld8.fill r13=[r17],PT(R2)-PT(R13) //load r13 + ;; + ld8 r19=[r16],PT(R3)-PT(AR_FPSR) //load ar_fpsr + ld8.fill r2=[r17],PT(AR_CCV)-PT(R2) //load r2 + ;; + ld8.fill r3=[r16] //load r3 + ld8 r18=[r17] //load ar_ccv + ;; + mov ar.fpsr=r19 + mov ar.ccv=r18 + shr.u r18=r20,16 + ;; kvm_rbs_switch: - mov r19=96 + mov r19=96 kvm_dont_preserve_current_frame: /* @@ -1201,76 +1198,76 @@ kvm_dont_preserve_current_frame: # define pReturn p7 # define Nregs 14 - alloc loc0=ar.pfs,2,Nregs-2,2,0 - shr.u loc1=r18,9 // RNaTslots <= floor(dirtySize / (64*8)) - sub r19=r19,r18 // r19 = (physStackedSize + 8) - dirtySize - ;; - mov ar.rsc=r20 // load ar.rsc to be used for "loadrs" - shladd in0=loc1,3,r19 - mov in1=0 - ;; - TEXT_ALIGN(32) + alloc loc0=ar.pfs,2,Nregs-2,2,0 + shr.u loc1=r18,9 // RNaTslots <= floor(dirtySize / (64*8)) + sub r19=r19,r18 // r19 = (physStackedSize + 8) - dirtySize + ;; + mov ar.rsc=r20 // load ar.rsc to be used for "loadrs" + shladd in0=loc1,3,r19 + mov in1=0 + ;; + TEXT_ALIGN(32) kvm_rse_clear_invalid: - alloc loc0=ar.pfs,2,Nregs-2,2,0 - cmp.lt pRecurse,p0=Nregs*8,in0 - // if more than Nregs regs left to clear, (re)curse - add out0=-Nregs*8,in0 - add out1=1,in1 // increment recursion count - mov loc1=0 - mov loc2=0 - ;; - mov loc3=0 - mov loc4=0 - mov loc5=0 - mov loc6=0 - mov loc7=0 + alloc loc0=ar.pfs,2,Nregs-2,2,0 + cmp.lt pRecurse,p0=Nregs*8,in0 + // if more than Nregs regs left to clear, (re)curse + add out0=-Nregs*8,in0 + add out1=1,in1 // increment recursion count + mov loc1=0 + mov loc2=0 + ;; + mov loc3=0 + mov loc4=0 + mov loc5=0 + mov loc6=0 + mov loc7=0 (pRecurse) br.call.dptk.few b0=kvm_rse_clear_invalid - ;; - mov loc8=0 - mov loc9=0 - cmp.ne pReturn,p0=r0,in1 - // if recursion count != 0, we need to do a br.ret - mov loc10=0 - mov loc11=0 + ;; + mov loc8=0 + mov loc9=0 + cmp.ne pReturn,p0=r0,in1 + // if recursion count != 0, we need to do a br.ret + mov loc10=0 + mov loc11=0 (pReturn) br.ret.dptk.many b0 # undef pRecurse # undef pReturn // loadrs has already been shifted - alloc r16=ar.pfs,0,0,0,0 // drop current register frame - ;; - loadrs - ;; - mov ar.bspstore=r24 - ;; - mov ar.unat=r28 - mov ar.rnat=r25 - mov ar.rsc=r26 - ;; - mov cr.ipsr=r31 - mov cr.iip=r30 - mov cr.ifs=r29 - mov ar.pfs=r27 - adds r18=VMM_VPD_BASE_OFFSET,r21 - ;; - ld8 r18=[r18] //vpd - adds r17=VMM_VCPU_ISR_OFFSET,r21 - ;; - ld8 r17=[r17] - adds r19=VMM_VPD_VPSR_OFFSET,r18 - ;; - ld8 r19=[r19] //vpsr - mov r25=r18 - adds r16= VMM_VCPU_GP_OFFSET,r21 - ;; - ld8 r16= [r16] // Put gp in r24 - movl r24=@gprel(ia64_vmm_entry) // calculate return address - ;; - add r24=r24,r16 - ;; - br.sptk.many kvm_vps_sync_write // call the service - ;; + alloc r16=ar.pfs,0,0,0,0 // drop current register frame + ;; + loadrs + ;; + mov ar.bspstore=r24 + ;; + mov ar.unat=r28 + mov ar.rnat=r25 + mov ar.rsc=r26 + ;; + mov cr.ipsr=r31 + mov cr.iip=r30 + mov cr.ifs=r29 + mov ar.pfs=r27 + adds r18=VMM_VPD_BASE_OFFSET,r21 + ;; + ld8 r18=[r18] //vpd + adds r17=VMM_VCPU_ISR_OFFSET,r21 + ;; + ld8 r17=[r17] + adds r19=VMM_VPD_VPSR_OFFSET,r18 + ;; + ld8 r19=[r19] //vpsr + mov r25=r18 + adds r16= VMM_VCPU_GP_OFFSET,r21 + ;; + ld8 r16= [r16] // Put gp in r24 + movl r24=@gprel(ia64_vmm_entry) // calculate return address + ;; + add r24=r24,r16 + ;; + br.sptk.many kvm_vps_sync_write // call the service + ;; END(ia64_leave_hypervisor) // fall through GLOBAL_ENTRY(ia64_vmm_entry) @@ -1283,16 +1280,14 @@ GLOBAL_ENTRY(ia64_vmm_entry) * r22:b0 * r23:predicate */ - mov r24=r22 - mov r25=r18 - tbit.nz p1,p2 = r19,IA64_PSR_IC_BIT // p1=vpsr.ic - (p1) br.cond.sptk.few kvm_vps_resume_normal - (p2) br.cond.sptk.many kvm_vps_resume_handler - ;; + mov r24=r22 + mov r25=r18 + tbit.nz p1,p2 = r19,IA64_PSR_IC_BIT // p1=vpsr.ic +(p1) br.cond.sptk.few kvm_vps_resume_normal +(p2) br.cond.sptk.many kvm_vps_resume_handler + ;; END(ia64_vmm_entry) - - /* * extern u64 ia64_call_vsa(u64 proc, u64 arg1, u64 arg2, * u64 arg3, u64 arg4, u64 arg5, @@ -1310,88 +1305,88 @@ psrsave = loc2 entry = loc3 hostret = r24 - alloc pfssave=ar.pfs,4,4,0,0 - mov rpsave=rp - adds entry=VMM_VCPU_VSA_BASE_OFFSET, r13 - ;; - ld8 entry=[entry] -1: mov hostret=ip - mov r25=in1 // copy arguments - mov r26=in2 - mov r27=in3 - mov psrsave=psr - ;; - tbit.nz p6,p0=psrsave,14 // IA64_PSR_I - tbit.nz p7,p0=psrsave,13 // IA64_PSR_IC - ;; - add hostret=2f-1b,hostret // calculate return address - add entry=entry,in0 - ;; - rsm psr.i | psr.ic - ;; - srlz.i - mov b6=entry - br.cond.sptk b6 // call the service + alloc pfssave=ar.pfs,4,4,0,0 + mov rpsave=rp + adds entry=VMM_VCPU_VSA_BASE_OFFSET, r13 + ;; + ld8 entry=[entry] +1: mov hostret=ip + mov r25=in1 // copy arguments + mov r26=in2 + mov r27=in3 + mov psrsave=psr + ;; + tbit.nz p6,p0=psrsave,14 // IA64_PSR_I + tbit.nz p7,p0=psrsave,13 // IA64_PSR_IC + ;; + add hostret=2f-1b,hostret // calculate return address + add entry=entry,in0 + ;; + rsm psr.i | psr.ic + ;; + srlz.i + mov b6=entry + br.cond.sptk b6 // call the service 2: - // Architectural sequence for enabling interrupts if necessary +// Architectural sequence for enabling interrupts if necessary (p7) ssm psr.ic - ;; + ;; (p7) srlz.i - ;; + ;; //(p6) ssm psr.i - ;; - mov rp=rpsave - mov ar.pfs=pfssave - mov r8=r31 - ;; - srlz.d - br.ret.sptk rp + ;; + mov rp=rpsave + mov ar.pfs=pfssave + mov r8=r31 + ;; + srlz.d + br.ret.sptk rp END(ia64_call_vsa) #define INIT_BSPSTORE ((4<<30)-(12<<20)-0x100) GLOBAL_ENTRY(vmm_reset_entry) - //set up ipsr, iip, vpd.vpsr, dcr - // For IPSR: it/dt/rt=1, i/ic=1, si=1, vm/bn=1 - // For DCR: all bits 0 - bsw.0 - ;; - mov r21 =r13 - adds r14=-VMM_PT_REGS_SIZE, r12 - ;; - movl r6=0x501008826000 // IPSR dt/rt/it:1;i/ic:1, si:1, vm/bn:1 - movl r10=0x8000000000000000 - adds r16=PT(CR_IIP), r14 - adds r20=PT(R1), r14 - ;; - rsm psr.ic | psr.i - ;; - srlz.i - ;; - mov ar.rsc = 0 - ;; - flushrs - ;; - mov ar.bspstore = 0 - // clear BSPSTORE - ;; - mov cr.ipsr=r6 - mov cr.ifs=r10 - ld8 r4 = [r16] // Set init iip for first run. - ld8 r1 = [r20] - ;; - mov cr.iip=r4 - adds r16=VMM_VPD_BASE_OFFSET,r13 - ;; - ld8 r18=[r16] - ;; - adds r19=VMM_VPD_VPSR_OFFSET,r18 - ;; - ld8 r19=[r19] - mov r17=r0 - mov r22=r0 - mov r23=r0 - br.cond.sptk ia64_vmm_entry - br.ret.sptk b0 + //set up ipsr, iip, vpd.vpsr, dcr + // For IPSR: it/dt/rt=1, i/ic=1, si=1, vm/bn=1 + // For DCR: all bits 0 + bsw.0 + ;; + mov r21 =r13 + adds r14=-VMM_PT_REGS_SIZE, r12 + ;; + movl r6=0x501008826000 // IPSR dt/rt/it:1;i/ic:1, si:1, vm/bn:1 + movl r10=0x8000000000000000 + adds r16=PT(CR_IIP), r14 + adds r20=PT(R1), r14 + ;; + rsm psr.ic | psr.i + ;; + srlz.i + ;; + mov ar.rsc = 0 + ;; + flushrs + ;; + mov ar.bspstore = 0 + // clear BSPSTORE + ;; + mov cr.ipsr=r6 + mov cr.ifs=r10 + ld8 r4 = [r16] // Set init iip for first run. + ld8 r1 = [r20] + ;; + mov cr.iip=r4 + adds r16=VMM_VPD_BASE_OFFSET,r13 + ;; + ld8 r18=[r16] + ;; + adds r19=VMM_VPD_VPSR_OFFSET,r18 + ;; + ld8 r19=[r19] + mov r17=r0 + mov r22=r0 + mov r23=r0 + br.cond.sptk ia64_vmm_entry + br.ret.sptk b0 END(vmm_reset_entry) diff --git a/arch/ia64/kvm/vtlb.c b/arch/ia64/kvm/vtlb.c index e22b933..6b6307a 100644 --- a/arch/ia64/kvm/vtlb.c +++ b/arch/ia64/kvm/vtlb.c @@ -183,8 +183,8 @@ void mark_pages_dirty(struct kvm_vcpu *v, u64 pte, u64 ps) u64 i, dirty_pages = 1; u64 base_gfn = (pte&_PAGE_PPN_MASK) >> PAGE_SHIFT; spinlock_t *lock = __kvm_va(v->arch.dirty_log_lock_pa); - void *dirty_bitmap = (void *)v - (KVM_VCPU_OFS + v->vcpu_id * VCPU_SIZE) - + KVM_MEM_DIRTY_LOG_OFS; + void *dirty_bitmap = (void *)KVM_MEM_DIRTY_LOG_BASE; + dirty_pages <<= ps <= PAGE_SHIFT ? 0 : ps - PAGE_SHIFT; vmm_spin_lock(lock); diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c index 0c66dbd..66fd705 100644 --- a/arch/ia64/sn/kernel/irq.c +++ b/arch/ia64/sn/kernel/irq.c @@ -227,14 +227,14 @@ finish_up: return new_irq_info; } -static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask) +static void sn_set_affinity_irq(unsigned int irq, const struct cpumask *mask) { struct sn_irq_info *sn_irq_info, *sn_irq_info_safe; nasid_t nasid; int slice; - nasid = cpuid_to_nasid(first_cpu(mask)); - slice = cpuid_to_slice(first_cpu(mask)); + nasid = cpuid_to_nasid(cpumask_first(mask)); + slice = cpuid_to_slice(cpumask_first(mask)); list_for_each_entry_safe(sn_irq_info, sn_irq_info_safe, sn_irq_lh[irq], list) diff --git a/arch/ia64/sn/kernel/msi_sn.c b/arch/ia64/sn/kernel/msi_sn.c index 83f190f..ca553b0 100644 --- a/arch/ia64/sn/kernel/msi_sn.c +++ b/arch/ia64/sn/kernel/msi_sn.c @@ -151,7 +151,8 @@ int sn_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *entry) } #ifdef CONFIG_SMP -static void sn_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask) +static void sn_set_msi_irq_affinity(unsigned int irq, + const struct cpumask *cpu_mask) { struct msi_msg msg; int slice; @@ -164,7 +165,7 @@ static void sn_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask) struct sn_pcibus_provider *provider; unsigned int cpu; - cpu = first_cpu(cpu_mask); + cpu = cpumask_first(cpu_mask); sn_irq_info = sn_msi_info[irq].sn_irq_info; if (sn_irq_info == NULL || sn_irq_info->irq_int_bit >= 0) return; @@ -204,7 +205,7 @@ static void sn_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask) msg.address_lo = (u32)(bus_addr & 0x00000000ffffffff); write_msi_msg(irq, &msg); - irq_desc[irq].affinity = cpu_mask; + irq_desc[irq].affinity = *cpu_mask; } #endif /* CONFIG_SMP */ diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c index 636588e..be33947 100644 --- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c +++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c @@ -385,7 +385,6 @@ static int sn_topology_show(struct seq_file *s, void *d) int j; const char *slabname; int ordinal; - cpumask_t cpumask; char slice; struct cpuinfo_ia64 *c; struct sn_hwperf_port_info *ptdata; @@ -473,23 +472,21 @@ static int sn_topology_show(struct seq_file *s, void *d) * CPUs on this node, if any */ if (!SN_HWPERF_IS_IONODE(obj)) { - cpumask = node_to_cpumask(ordinal); - for_each_online_cpu(i) { - if (cpu_isset(i, cpumask)) { - slice = 'a' + cpuid_to_slice(i); - c = cpu_data(i); - seq_printf(s, "cpu %d %s%c local" - " freq %luMHz, arch ia64", - i, obj->location, slice, - c->proc_freq / 1000000); - for_each_online_cpu(j) { - seq_printf(s, j ? ":%d" : ", dist %d", - node_distance( + for_each_cpu_and(i, cpu_online_mask, + cpumask_of_node(ordinal)) { + slice = 'a' + cpuid_to_slice(i); + c = cpu_data(i); + seq_printf(s, "cpu %d %s%c local" + " freq %luMHz, arch ia64", + i, obj->location, slice, + c->proc_freq / 1000000); + for_each_online_cpu(j) { + seq_printf(s, j ? ":%d" : ", dist %d", + node_distance( cpu_to_node(i), cpu_to_node(j))); - } - seq_putc(s, '\n'); } + seq_putc(s, '\n'); } } } |
