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Diffstat (limited to 'arch/x86/include/asm/kvm_host.h')
-rw-r--r--arch/x86/include/asm/kvm_host.h34
1 files changed, 24 insertions, 10 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 32ae3aa50c7e..7bc174a1f1cb 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -27,6 +27,7 @@
#include <linux/kfifo.h>
#include <linux/sched/vhost_task.h>
#include <linux/call_once.h>
+#include <linux/atomic.h>
#include <asm/apic.h>
#include <asm/pvclock-abi.h>
@@ -34,6 +35,7 @@
#include <asm/mtrr.h>
#include <asm/msr-index.h>
#include <asm/asm.h>
+#include <asm/irq_remapping.h>
#include <asm/kvm_page_track.h>
#include <asm/kvm_vcpu_regs.h>
#include <asm/reboot.h>
@@ -405,7 +407,7 @@ union kvm_cpu_role {
};
struct kvm_rmap_head {
- unsigned long val;
+ atomic_long_t val;
};
struct kvm_pio_request {
@@ -880,6 +882,7 @@ struct kvm_vcpu_arch {
int cpuid_nent;
struct kvm_cpuid_entry2 *cpuid_entries;
+ bool cpuid_dynamic_bits_dirty;
bool is_amd_compatible;
/*
@@ -909,7 +912,8 @@ struct kvm_vcpu_arch {
int (*complete_userspace_io)(struct kvm_vcpu *vcpu);
gpa_t time;
- struct pvclock_vcpu_time_info hv_clock;
+ s8 pvclock_tsc_shift;
+ u32 pvclock_tsc_mul;
unsigned int hw_tsc_khz;
struct gfn_to_pfn_cache pv_time;
/* set guest stopped flag in pvclock flags field */
@@ -997,8 +1001,8 @@ struct kvm_vcpu_arch {
u64 msr_int_val; /* MSR_KVM_ASYNC_PF_INT */
u16 vec;
u32 id;
- bool send_user_only;
u32 host_apf_flags;
+ bool send_always;
bool delivery_as_pf_vmexit;
bool pageready_pending;
} apf;
@@ -1053,6 +1057,7 @@ struct kvm_vcpu_arch {
/* Protected Guests */
bool guest_state_protected;
+ bool guest_tsc_protected;
/*
* Set when PDPTS were loaded directly by the userspace without
@@ -1189,6 +1194,8 @@ struct kvm_xen {
struct gfn_to_pfn_cache shinfo_cache;
struct idr evtchn_ports;
unsigned long poll_mask[BITS_TO_LONGS(KVM_MAX_VCPUS)];
+
+ struct kvm_xen_hvm_config hvm_config;
};
#endif
@@ -1354,8 +1361,6 @@ struct kvm_arch {
u64 shadow_mmio_value;
- struct iommu_domain *iommu_domain;
- bool iommu_noncoherent;
#define __KVM_HAVE_ARCH_NONCOHERENT_DMA
atomic_t noncoherent_dma_count;
#define __KVM_HAVE_ARCH_ASSIGNED_DEVICE
@@ -1411,8 +1416,6 @@ struct kvm_arch {
struct delayed_work kvmclock_update_work;
struct delayed_work kvmclock_sync_work;
- struct kvm_xen_hvm_config xen_hvm_config;
-
/* reads protected by irq_srcu, writes by irq_lock */
struct hlist_head mask_notifier_list;
@@ -1470,8 +1473,13 @@ struct kvm_arch {
struct once nx_once;
#ifdef CONFIG_X86_64
- /* The number of TDP MMU pages across all roots. */
+#ifdef CONFIG_KVM_PROVE_MMU
+ /*
+ * The number of TDP MMU pages across all roots. Used only to sanity
+ * check that KVM isn't leaking TDP MMU pages.
+ */
atomic64_t tdp_mmu_pages;
+#endif
/*
* List of struct kvm_mmu_pages being used as roots.
@@ -1479,6 +1487,7 @@ struct kvm_arch {
* tdp_mmu_page set.
*
* For reads, this list is protected by:
+ * RCU alone or
* the MMU lock in read mode + RCU or
* the MMU lock in write mode
*
@@ -2164,8 +2173,8 @@ int kvm_emulate_rdpmc(struct kvm_vcpu *vcpu);
void kvm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr);
void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code);
void kvm_queue_exception_p(struct kvm_vcpu *vcpu, unsigned nr, unsigned long payload);
-void kvm_requeue_exception(struct kvm_vcpu *vcpu, unsigned nr);
-void kvm_requeue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code);
+void kvm_requeue_exception(struct kvm_vcpu *vcpu, unsigned int nr,
+ bool has_error_code, u32 error_code);
void kvm_inject_page_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault);
void kvm_inject_emulated_page_fault(struct kvm_vcpu *vcpu,
struct x86_exception *fault);
@@ -2415,4 +2424,9 @@ int memslot_rmap_alloc(struct kvm_memory_slot *slot, unsigned long npages);
*/
#define KVM_EXIT_HYPERCALL_MBZ GENMASK_ULL(31, 1)
+static inline bool kvm_arch_has_irq_bypass(void)
+{
+ return enable_apicv && irq_remapping_cap(IRQ_POSTING_CAP);
+}
+
#endif /* _ASM_X86_KVM_HOST_H */