summaryrefslogtreecommitdiff
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.h96
1 files changed, 45 insertions, 51 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index af6ce8d4c86a..f8f48a7ec577 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -37,9 +37,21 @@
#define __KVM_HAVE_ARCH_VCPU_DEBUGFS
-#define KVM_MAX_VCPUS 288
-#define KVM_SOFT_MAX_VCPUS 240
-#define KVM_MAX_VCPU_ID 1023
+#define KVM_MAX_VCPUS 1024
+#define KVM_SOFT_MAX_VCPUS 710
+
+/*
+ * In x86, the VCPU ID corresponds to the APIC ID, and APIC IDs
+ * might be larger than the actual number of VCPUs because the
+ * APIC ID encodes CPU topology information.
+ *
+ * In the worst case, we'll need less than one extra bit for the
+ * Core ID, and less than one extra bit for the Package (Die) ID,
+ * so ratio of 4 should be enough.
+ */
+#define KVM_VCPU_ID_RATIO 4
+#define KVM_MAX_VCPU_ID (KVM_MAX_VCPUS * KVM_VCPU_ID_RATIO)
+
/* memory slots that are not exposed to userspace */
#define KVM_PRIVATE_MEM_SLOTS 3
@@ -124,13 +136,6 @@
#define KVM_HPAGE_MASK(x) (~(KVM_HPAGE_SIZE(x) - 1))
#define KVM_PAGES_PER_HPAGE(x) (KVM_HPAGE_SIZE(x) / PAGE_SIZE)
-static inline gfn_t gfn_to_index(gfn_t gfn, gfn_t base_gfn, int level)
-{
- /* KVM_HPAGE_GFN_SHIFT(PG_LEVEL_4K) must be 0. */
- return (gfn >> KVM_HPAGE_GFN_SHIFT(level)) -
- (base_gfn >> KVM_HPAGE_GFN_SHIFT(level));
-}
-
#define KVM_PERMILLE_MMU_PAGES 20
#define KVM_MIN_ALLOC_MMU_PAGES 64UL
#define KVM_MMU_HASH_SHIFT 12
@@ -229,7 +234,8 @@ enum x86_intercept_stage;
KVM_GUESTDBG_USE_HW_BP | \
KVM_GUESTDBG_USE_SW_BP | \
KVM_GUESTDBG_INJECT_BP | \
- KVM_GUESTDBG_INJECT_DB)
+ KVM_GUESTDBG_INJECT_DB | \
+ KVM_GUESTDBG_BLOCKIRQ)
#define PFERR_PRESENT_BIT 0
@@ -447,6 +453,7 @@ struct kvm_mmu {
u64 *pae_root;
u64 *pml4_root;
+ u64 *pml5_root;
/*
* check zero bits on shadow page table entries, these
@@ -482,6 +489,7 @@ struct kvm_pmc {
* ctrl value for fixed counters.
*/
u64 current_config;
+ bool is_paused;
};
struct kvm_pmu {
@@ -522,7 +530,6 @@ struct kvm_pmu_ops;
enum {
KVM_DEBUGREG_BP_ENABLED = 1,
KVM_DEBUGREG_WONT_EXIT = 2,
- KVM_DEBUGREG_RELOAD = 4,
};
struct kvm_mtrr_range {
@@ -723,7 +730,6 @@ struct kvm_vcpu_arch {
u64 reserved_gpa_bits;
int maxphyaddr;
- int max_tdp_level;
/* emulate context */
@@ -988,6 +994,12 @@ struct kvm_hv {
/* How many vCPUs have VP index != vCPU index */
atomic_t num_mismatched_vp_indexes;
+ /*
+ * How many SynICs use 'AutoEOI' feature
+ * (protected by arch.apicv_update_lock)
+ */
+ unsigned int synic_auto_eoi_used;
+
struct hv_partition_assist_pg *hv_pa_pg;
struct kvm_hv_syndbg hv_syndbg;
};
@@ -1002,9 +1014,8 @@ struct msr_bitmap_range {
/* Xen emulation context */
struct kvm_xen {
bool long_mode;
- bool shinfo_set;
u8 upcall_vector;
- struct gfn_to_hva_cache shinfo_cache;
+ gfn_t shinfo_gfn;
};
enum kvm_irqchip_mode {
@@ -1061,6 +1072,9 @@ struct kvm_arch {
struct kvm_apic_map __rcu *apic_map;
atomic_t apic_map_dirty;
+ /* Protects apic_access_memslot_enabled and apicv_inhibit_reasons */
+ struct mutex apicv_update_lock;
+
bool apic_access_memslot_enabled;
unsigned long apicv_inhibit_reasons;
@@ -1213,9 +1227,17 @@ struct kvm_vm_stat {
u64 mmu_recycled;
u64 mmu_cache_miss;
u64 mmu_unsync;
- u64 lpages;
+ union {
+ struct {
+ atomic64_t pages_4k;
+ atomic64_t pages_2m;
+ atomic64_t pages_1g;
+ };
+ atomic64_t pages[KVM_NR_PAGE_SIZES];
+ };
u64 nx_lpage_splits;
u64 max_mmu_page_hash_collisions;
+ u64 max_mmu_rmap_size;
};
struct kvm_vcpu_stat {
@@ -1359,7 +1381,6 @@ struct kvm_x86_ops {
void (*enable_irq_window)(struct kvm_vcpu *vcpu);
void (*update_cr8_intercept)(struct kvm_vcpu *vcpu, int tpr, int irr);
bool (*check_apicv_inhibit_reasons)(ulong bit);
- void (*pre_update_apicv_exec_ctrl)(struct kvm *kvm, bool activate);
void (*refresh_apicv_exec_ctrl)(struct kvm_vcpu *vcpu);
void (*hwapic_irr_update)(struct kvm_vcpu *vcpu, int max_irr);
void (*hwapic_isr_update)(struct kvm_vcpu *vcpu, int isr);
@@ -1543,12 +1564,12 @@ void kvm_mmu_uninit_vm(struct kvm *kvm);
void kvm_mmu_after_set_cpuid(struct kvm_vcpu *vcpu);
void kvm_mmu_reset_context(struct kvm_vcpu *vcpu);
void kvm_mmu_slot_remove_write_access(struct kvm *kvm,
- struct kvm_memory_slot *memslot,
+ const struct kvm_memory_slot *memslot,
int start_level);
void kvm_mmu_zap_collapsible_sptes(struct kvm *kvm,
const struct kvm_memory_slot *memslot);
void kvm_mmu_slot_leaf_clear_dirty(struct kvm *kvm,
- struct kvm_memory_slot *memslot);
+ const struct kvm_memory_slot *memslot);
void kvm_mmu_zap_all(struct kvm *kvm);
void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm, u64 gen);
unsigned long kvm_mmu_calculate_default_mmu_pages(struct kvm *kvm);
@@ -1744,6 +1765,9 @@ void kvm_vcpu_update_apicv(struct kvm_vcpu *vcpu);
void kvm_request_apicv_update(struct kvm *kvm, bool activate,
unsigned long bit);
+void __kvm_request_apicv_update(struct kvm *kvm, bool activate,
+ unsigned long bit);
+
int kvm_emulate_hypercall(struct kvm_vcpu *vcpu);
int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u64 error_code,
@@ -1754,8 +1778,8 @@ void kvm_mmu_invalidate_gva(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
void kvm_mmu_invpcid_gva(struct kvm_vcpu *vcpu, gva_t gva, unsigned long pcid);
void kvm_mmu_new_pgd(struct kvm_vcpu *vcpu, gpa_t new_pgd);
-void kvm_configure_mmu(bool enable_tdp, int tdp_max_root_level,
- int tdp_huge_page_level);
+void kvm_configure_mmu(bool enable_tdp, int tdp_forced_root_level,
+ int tdp_max_root_level, int tdp_huge_page_level);
static inline u16 kvm_read_ldt(void)
{
@@ -1779,11 +1803,6 @@ static inline unsigned long read_msr(unsigned long msr)
}
#endif
-static inline u32 get_rdx_init_val(void)
-{
- return 0x600; /* P6 family */
-}
-
static inline void kvm_inject_gp(struct kvm_vcpu *vcpu, u32 error_code)
{
kvm_queue_exception_e(vcpu, GP_VECTOR, error_code);
@@ -1816,31 +1835,6 @@ enum {
#define kvm_arch_vcpu_memslots_id(vcpu) ((vcpu)->arch.hflags & HF_SMM_MASK ? 1 : 0)
#define kvm_memslots_for_spte_role(kvm, role) __kvm_memslots(kvm, (role).smm)
-asmlinkage void kvm_spurious_fault(void);
-
-/*
- * Hardware virtualization extension instructions may fault if a
- * reboot turns off virtualization while processes are running.
- * Usually after catching the fault we just panic; during reboot
- * instead the instruction is ignored.
- */
-#define __kvm_handle_fault_on_reboot(insn) \
- "666: \n\t" \
- insn "\n\t" \
- "jmp 668f \n\t" \
- "667: \n\t" \
- "1: \n\t" \
- ".pushsection .discard.instr_begin \n\t" \
- ".long 1b - . \n\t" \
- ".popsection \n\t" \
- "call kvm_spurious_fault \n\t" \
- "1: \n\t" \
- ".pushsection .discard.instr_end \n\t" \
- ".long 1b - . \n\t" \
- ".popsection \n\t" \
- "668: \n\t" \
- _ASM_EXTABLE(666b, 667b)
-
#define KVM_ARCH_WANT_MMU_NOTIFIER
int kvm_cpu_has_injectable_intr(struct kvm_vcpu *v);
generated by cgit (git 2.34.1) at 2024-06-11 08:17:38 +0000