summaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/kvm_host.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/include/asm/kvm_host.h')
-rw-r--r--arch/x86/include/asm/kvm_host.h59
1 files changed, 52 insertions, 7 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index d89c6b828c96..a236e39cc385 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -38,8 +38,6 @@
#define KVM_PRIVATE_MEM_SLOTS 3
#define KVM_MEM_SLOTS_NUM (KVM_USER_MEM_SLOTS + KVM_PRIVATE_MEM_SLOTS)
-#define KVM_MMIO_SIZE 16
-
#define KVM_PIO_PAGE_OFFSET 1
#define KVM_COALESCED_MMIO_PAGE_OFFSET 2
@@ -51,7 +49,7 @@
| X86_CR0_NW | X86_CR0_CD | X86_CR0_PG))
#define CR3_L_MODE_RESERVED_BITS 0xFFFFFF0000000000ULL
-#define CR3_PCID_INVD (1UL << 63)
+#define CR3_PCID_INVD BIT_64(63)
#define CR4_RESERVED_BITS \
(~(unsigned long)(X86_CR4_VME | X86_CR4_PVI | X86_CR4_TSD | X86_CR4_DE\
| X86_CR4_PSE | X86_CR4_PAE | X86_CR4_MCE \
@@ -160,6 +158,18 @@ enum {
#define DR7_FIXED_1 0x00000400
#define DR7_VOLATILE 0xffff2bff
+#define PFERR_PRESENT_BIT 0
+#define PFERR_WRITE_BIT 1
+#define PFERR_USER_BIT 2
+#define PFERR_RSVD_BIT 3
+#define PFERR_FETCH_BIT 4
+
+#define PFERR_PRESENT_MASK (1U << PFERR_PRESENT_BIT)
+#define PFERR_WRITE_MASK (1U << PFERR_WRITE_BIT)
+#define PFERR_USER_MASK (1U << PFERR_USER_BIT)
+#define PFERR_RSVD_MASK (1U << PFERR_RSVD_BIT)
+#define PFERR_FETCH_MASK (1U << PFERR_FETCH_BIT)
+
/* apic attention bits */
#define KVM_APIC_CHECK_VAPIC 0
/*
@@ -615,6 +625,8 @@ struct kvm_arch {
#ifdef CONFIG_KVM_MMU_AUDIT
int audit_point;
#endif
+
+ bool boot_vcpu_runs_old_kvmclock;
};
struct kvm_vm_stat {
@@ -643,6 +655,7 @@ struct kvm_vcpu_stat {
u32 irq_window_exits;
u32 nmi_window_exits;
u32 halt_exits;
+ u32 halt_successful_poll;
u32 halt_wakeup;
u32 request_irq_exits;
u32 irq_exits;
@@ -787,6 +800,31 @@ struct kvm_x86_ops {
int (*check_nested_events)(struct kvm_vcpu *vcpu, bool external_intr);
void (*sched_in)(struct kvm_vcpu *kvm, int cpu);
+
+ /*
+ * Arch-specific dirty logging hooks. These hooks are only supposed to
+ * be valid if the specific arch has hardware-accelerated dirty logging
+ * mechanism. Currently only for PML on VMX.
+ *
+ * - slot_enable_log_dirty:
+ * called when enabling log dirty mode for the slot.
+ * - slot_disable_log_dirty:
+ * called when disabling log dirty mode for the slot.
+ * also called when slot is created with log dirty disabled.
+ * - flush_log_dirty:
+ * called before reporting dirty_bitmap to userspace.
+ * - enable_log_dirty_pt_masked:
+ * called when reenabling log dirty for the GFNs in the mask after
+ * corresponding bits are cleared in slot->dirty_bitmap.
+ */
+ void (*slot_enable_log_dirty)(struct kvm *kvm,
+ struct kvm_memory_slot *slot);
+ void (*slot_disable_log_dirty)(struct kvm *kvm,
+ struct kvm_memory_slot *slot);
+ void (*flush_log_dirty)(struct kvm *kvm);
+ void (*enable_log_dirty_pt_masked)(struct kvm *kvm,
+ struct kvm_memory_slot *slot,
+ gfn_t offset, unsigned long mask);
};
struct kvm_arch_async_pf {
@@ -819,10 +857,17 @@ void kvm_mmu_set_mask_ptes(u64 user_mask, u64 accessed_mask,
u64 dirty_mask, u64 nx_mask, u64 x_mask);
void kvm_mmu_reset_context(struct kvm_vcpu *vcpu);
-void kvm_mmu_slot_remove_write_access(struct kvm *kvm, int slot);
-void kvm_mmu_write_protect_pt_masked(struct kvm *kvm,
- struct kvm_memory_slot *slot,
- gfn_t gfn_offset, unsigned long mask);
+void kvm_mmu_slot_remove_write_access(struct kvm *kvm,
+ struct kvm_memory_slot *memslot);
+void kvm_mmu_slot_leaf_clear_dirty(struct kvm *kvm,
+ struct kvm_memory_slot *memslot);
+void kvm_mmu_slot_largepage_remove_write_access(struct kvm *kvm,
+ struct kvm_memory_slot *memslot);
+void kvm_mmu_slot_set_dirty(struct kvm *kvm,
+ struct kvm_memory_slot *memslot);
+void kvm_mmu_clear_dirty_pt_masked(struct kvm *kvm,
+ struct kvm_memory_slot *slot,
+ gfn_t gfn_offset, unsigned long mask);
void kvm_mmu_zap_all(struct kvm *kvm);
void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm);
unsigned int kvm_mmu_calculate_mmu_pages(struct kvm *kvm);