summaryrefslogtreecommitdiff
path: root/include/asm-x86/kvm_host.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-x86/kvm_host.h')
-rw-r--r--include/asm-x86/kvm_host.h90
1 files changed, 52 insertions, 38 deletions
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index c2e34c275900..411fb8cfb24e 100644
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -1,4 +1,4 @@
-#/*
+/*
* Kernel-based Virtual Machine driver for Linux
*
* This header defines architecture specific interfaces, x86 version
@@ -8,8 +8,8 @@
*
*/
-#ifndef ASM_KVM_HOST_H
-#define ASM_KVM_HOST_H
+#ifndef ASM_X86__KVM_HOST_H
+#define ASM_X86__KVM_HOST_H
#include <linux/types.h>
#include <linux/mm.h>
@@ -57,6 +57,10 @@
#define KVM_PAGES_PER_HPAGE (KVM_HPAGE_SIZE / PAGE_SIZE)
#define DE_VECTOR 0
+#define DB_VECTOR 1
+#define BP_VECTOR 3
+#define OF_VECTOR 4
+#define BR_VECTOR 5
#define UD_VECTOR 6
#define NM_VECTOR 7
#define DF_VECTOR 8
@@ -65,6 +69,7 @@
#define SS_VECTOR 12
#define GP_VECTOR 13
#define PF_VECTOR 14
+#define MF_VECTOR 16
#define MC_VECTOR 18
#define SELECTOR_TI_MASK (1 << 2)
@@ -89,7 +94,7 @@ extern struct list_head vm_list;
struct kvm_vcpu;
struct kvm;
-enum {
+enum kvm_reg {
VCPU_REGS_RAX = 0,
VCPU_REGS_RCX = 1,
VCPU_REGS_RDX = 2,
@@ -108,6 +113,7 @@ enum {
VCPU_REGS_R14 = 14,
VCPU_REGS_R15 = 15,
#endif
+ VCPU_REGS_RIP,
NR_VCPU_REGS
};
@@ -189,10 +195,20 @@ struct kvm_mmu_page {
*/
int multimapped; /* More than one parent_pte? */
int root_count; /* Currently serving as active root */
+ bool unsync;
+ bool unsync_children;
union {
u64 *parent_pte; /* !multimapped */
struct hlist_head parent_ptes; /* multimapped, kvm_pte_chain */
};
+ DECLARE_BITMAP(unsync_child_bitmap, 512);
+};
+
+struct kvm_pv_mmu_op_buffer {
+ void *ptr;
+ unsigned len;
+ unsigned processed;
+ char buf[512] __aligned(sizeof(long));
};
/*
@@ -207,6 +223,9 @@ struct kvm_mmu {
gpa_t (*gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t gva);
void (*prefetch_page)(struct kvm_vcpu *vcpu,
struct kvm_mmu_page *page);
+ int (*sync_page)(struct kvm_vcpu *vcpu,
+ struct kvm_mmu_page *sp);
+ void (*invlpg)(struct kvm_vcpu *vcpu, gva_t gva);
hpa_t root_hpa;
int root_level;
int shadow_root_level;
@@ -219,8 +238,13 @@ struct kvm_vcpu_arch {
int interrupt_window_open;
unsigned long irq_summary; /* bit vector: 1 per word in irq_pending */
DECLARE_BITMAP(irq_pending, KVM_NR_INTERRUPTS);
- unsigned long regs[NR_VCPU_REGS]; /* for rsp: vcpu_load_rsp_rip() */
- unsigned long rip; /* needs vcpu_load_rsp_rip() */
+ /*
+ * rip and regs accesses must go through
+ * kvm_{register,rip}_{read,write} functions.
+ */
+ unsigned long regs[NR_VCPU_REGS];
+ u32 regs_avail;
+ u32 regs_dirty;
unsigned long cr0;
unsigned long cr2;
@@ -237,6 +261,9 @@ struct kvm_vcpu_arch {
bool tpr_access_reporting;
struct kvm_mmu mmu;
+ /* only needed in kvm_pv_mmu_op() path, but it's hot so
+ * put it here to avoid allocation */
+ struct kvm_pv_mmu_op_buffer mmu_op_buffer;
struct kvm_mmu_memory_cache mmu_pte_chain_cache;
struct kvm_mmu_memory_cache mmu_rmap_desc_cache;
@@ -269,6 +296,11 @@ struct kvm_vcpu_arch {
u32 error_code;
} exception;
+ struct kvm_queued_interrupt {
+ bool pending;
+ u8 nr;
+ } interrupt;
+
struct {
int active;
u8 save_iopl;
@@ -294,6 +326,7 @@ struct kvm_vcpu_arch {
struct page *time_page;
bool nmi_pending;
+ bool nmi_injected;
u64 mtrr[0x100];
};
@@ -316,9 +349,12 @@ struct kvm_arch{
* Hash table of struct kvm_mmu_page.
*/
struct list_head active_mmu_pages;
+ struct list_head assigned_dev_head;
+ struct dmar_domain *intel_iommu_domain;
struct kvm_pic *vpic;
struct kvm_ioapic *vioapic;
struct kvm_pit *vpit;
+ struct hlist_head irq_ack_notifier_list;
int round_robin_prev_vcpu;
unsigned int tss_addr;
@@ -338,6 +374,7 @@ struct kvm_vm_stat {
u32 mmu_flooded;
u32 mmu_recycled;
u32 mmu_cache_miss;
+ u32 mmu_unsync;
u32 remote_tlb_flush;
u32 lpages;
};
@@ -364,6 +401,7 @@ struct kvm_vcpu_stat {
u32 insn_emulation;
u32 insn_emulation_fail;
u32 hypercalls;
+ u32 irq_injections;
};
struct descriptor_table {
@@ -414,8 +452,7 @@ struct kvm_x86_ops {
unsigned long (*get_dr)(struct kvm_vcpu *vcpu, int dr);
void (*set_dr)(struct kvm_vcpu *vcpu, int dr, unsigned long value,
int *exception);
- void (*cache_regs)(struct kvm_vcpu *vcpu);
- void (*decache_regs)(struct kvm_vcpu *vcpu);
+ void (*cache_reg)(struct kvm_vcpu *vcpu, enum kvm_reg reg);
unsigned long (*get_rflags)(struct kvm_vcpu *vcpu);
void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags);
@@ -528,6 +565,8 @@ void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code);
void kvm_inject_page_fault(struct kvm_vcpu *vcpu, unsigned long cr2,
u32 error_code);
+void kvm_pic_set_irq(void *opaque, int irq, int level);
+
void kvm_inject_nmi(struct kvm_vcpu *vcpu);
void fx_init(struct kvm_vcpu *vcpu);
@@ -550,12 +589,14 @@ int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva);
void __kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu);
int kvm_mmu_load(struct kvm_vcpu *vcpu);
void kvm_mmu_unload(struct kvm_vcpu *vcpu);
+void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu);
int kvm_emulate_hypercall(struct kvm_vcpu *vcpu);
int kvm_fix_hypercall(struct kvm_vcpu *vcpu);
int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code);
+void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva);
void kvm_enable_tdp(void);
void kvm_disable_tdp(void);
@@ -686,33 +727,6 @@ enum {
TASK_SWITCH_GATE = 3,
};
-#define KVMTRACE_5D(evt, vcpu, d1, d2, d3, d4, d5, name) \
- trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
- vcpu, 5, d1, d2, d3, d4, d5)
-#define KVMTRACE_4D(evt, vcpu, d1, d2, d3, d4, name) \
- trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
- vcpu, 4, d1, d2, d3, d4, 0)
-#define KVMTRACE_3D(evt, vcpu, d1, d2, d3, name) \
- trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
- vcpu, 3, d1, d2, d3, 0, 0)
-#define KVMTRACE_2D(evt, vcpu, d1, d2, name) \
- trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
- vcpu, 2, d1, d2, 0, 0, 0)
-#define KVMTRACE_1D(evt, vcpu, d1, name) \
- trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
- vcpu, 1, d1, 0, 0, 0, 0)
-#define KVMTRACE_0D(evt, vcpu, name) \
- trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
- vcpu, 0, 0, 0, 0, 0, 0)
-
-#ifdef CONFIG_64BIT
-# define KVM_EX_ENTRY ".quad"
-# define KVM_EX_PUSH "pushq"
-#else
-# define KVM_EX_ENTRY ".long"
-# define KVM_EX_PUSH "pushl"
-#endif
-
/*
* Hardware virtualization extension instructions may fault if a
* reboot turns off virtualization while processes are running.
@@ -724,15 +738,15 @@ asmlinkage void kvm_handle_fault_on_reboot(void);
"666: " insn "\n\t" \
".pushsection .fixup, \"ax\" \n" \
"667: \n\t" \
- KVM_EX_PUSH " $666b \n\t" \
+ __ASM_SIZE(push) " $666b \n\t" \
"jmp kvm_handle_fault_on_reboot \n\t" \
".popsection \n\t" \
".pushsection __ex_table, \"a\" \n\t" \
- KVM_EX_ENTRY " 666b, 667b \n\t" \
+ _ASM_PTR " 666b, 667b \n\t" \
".popsection"
#define KVM_ARCH_WANT_MMU_NOTIFIER
int kvm_unmap_hva(struct kvm *kvm, unsigned long hva);
int kvm_age_hva(struct kvm *kvm, unsigned long hva);
-#endif
+#endif /* ASM_X86__KVM_HOST_H */
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-25 06:20:54 +0000