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Diffstat (limited to 'arch/x86/kvm/vmx/capabilities.h')
-rw-r--r--arch/x86/kvm/vmx/capabilities.h57
1 files changed, 18 insertions, 39 deletions
diff --git a/arch/x86/kvm/vmx/capabilities.h b/arch/x86/kvm/vmx/capabilities.h
index 07254314f3dd..02aadb9d730e 100644
--- a/arch/x86/kvm/vmx/capabilities.h
+++ b/arch/x86/kvm/vmx/capabilities.h
@@ -15,15 +15,11 @@ extern bool __read_mostly enable_ept;
extern bool __read_mostly enable_unrestricted_guest;
extern bool __read_mostly enable_ept_ad_bits;
extern bool __read_mostly enable_pml;
-extern bool __read_mostly enable_ipiv;
extern int __read_mostly pt_mode;
#define PT_MODE_SYSTEM 0
#define PT_MODE_HOST_GUEST 1
-#define PMU_CAP_FW_WRITES (1ULL << 13)
-#define PMU_CAP_LBR_FMT 0x3f
-
struct nested_vmx_msrs {
/*
* We only store the "true" versions of the VMX capability MSRs. We
@@ -54,9 +50,7 @@ struct nested_vmx_msrs {
};
struct vmcs_config {
- int size;
- u32 basic_cap;
- u32 revision_id;
+ u64 basic;
u32 pin_based_exec_ctrl;
u32 cpu_based_exec_ctrl;
u32 cpu_based_2nd_exec_ctrl;
@@ -66,17 +60,22 @@ struct vmcs_config {
u64 misc;
struct nested_vmx_msrs nested;
};
-extern struct vmcs_config vmcs_config;
+extern struct vmcs_config vmcs_config __ro_after_init;
struct vmx_capability {
u32 ept;
u32 vpid;
};
-extern struct vmx_capability vmx_capability;
+extern struct vmx_capability vmx_capability __ro_after_init;
static inline bool cpu_has_vmx_basic_inout(void)
{
- return (((u64)vmcs_config.basic_cap << 32) & VMX_BASIC_INOUT);
+ return vmcs_config.basic & VMX_BASIC_INOUT;
+}
+
+static inline bool cpu_has_vmx_basic_no_hw_errcode_cc(void)
+{
+ return vmcs_config.basic & VMX_BASIC_NO_HW_ERROR_CODE_CC;
}
static inline bool cpu_has_virtual_nmis(void)
@@ -106,6 +105,10 @@ static inline bool cpu_has_load_perf_global_ctrl(void)
return vmcs_config.vmentry_ctrl & VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL;
}
+static inline bool cpu_has_load_cet_ctrl(void)
+{
+ return (vmcs_config.vmentry_ctrl & VM_ENTRY_LOAD_CET_STATE);
+}
static inline bool cpu_has_vmx_mpx(void)
{
return vmcs_config.vmentry_ctrl & VM_ENTRY_LOAD_BNDCFGS;
@@ -152,8 +155,8 @@ static inline bool cpu_has_vmx_ept(void)
static inline bool vmx_umip_emulated(void)
{
- return vmcs_config.cpu_based_2nd_exec_ctrl &
- SECONDARY_EXEC_DESC;
+ return !boot_cpu_has(X86_FEATURE_UMIP) &&
+ (vmcs_config.cpu_based_2nd_exec_ctrl & SECONDARY_EXEC_DESC);
}
static inline bool cpu_has_vmx_rdtscp(void)
@@ -225,7 +228,7 @@ static inline bool cpu_has_vmx_vmfunc(void)
static inline bool cpu_has_vmx_shadow_vmcs(void)
{
/* check if the cpu supports writing r/o exit information fields */
- if (!(vmcs_config.misc & MSR_IA32_VMX_MISC_VMWRITE_SHADOW_RO_FIELDS))
+ if (!(vmcs_config.misc & VMX_MISC_VMWRITE_SHADOW_RO_FIELDS))
return false;
return vmcs_config.cpu_based_2nd_exec_ctrl &
@@ -252,7 +255,7 @@ static inline bool cpu_has_vmx_pml(void)
static inline bool cpu_has_vmx_xsaves(void)
{
return vmcs_config.cpu_based_2nd_exec_ctrl &
- SECONDARY_EXEC_XSAVES;
+ SECONDARY_EXEC_ENABLE_XSAVES;
}
static inline bool cpu_has_vmx_waitpkg(void)
@@ -367,7 +370,7 @@ static inline bool cpu_has_vmx_invvpid_global(void)
static inline bool cpu_has_vmx_intel_pt(void)
{
- return (vmcs_config.misc & MSR_IA32_VMX_MISC_INTEL_PT) &&
+ return (vmcs_config.misc & VMX_MISC_INTEL_PT) &&
(vmcs_config.cpu_based_2nd_exec_ctrl & SECONDARY_EXEC_PT_USE_GPA) &&
(vmcs_config.vmentry_ctrl & VM_ENTRY_LOAD_IA32_RTIT_CTL);
}
@@ -395,30 +398,6 @@ static inline bool vmx_pebs_supported(void)
return boot_cpu_has(X86_FEATURE_PEBS) && kvm_pmu_cap.pebs_ept;
}
-static inline u64 vmx_get_perf_capabilities(void)
-{
- u64 perf_cap = PMU_CAP_FW_WRITES;
- struct x86_pmu_lbr lbr;
- u64 host_perf_cap = 0;
-
- if (!enable_pmu)
- return 0;
-
- if (boot_cpu_has(X86_FEATURE_PDCM))
- rdmsrl(MSR_IA32_PERF_CAPABILITIES, host_perf_cap);
-
- if (x86_perf_get_lbr(&lbr) >= 0 && lbr.nr)
- perf_cap |= host_perf_cap & PMU_CAP_LBR_FMT;
-
- if (vmx_pebs_supported()) {
- perf_cap |= host_perf_cap & PERF_CAP_PEBS_MASK;
- if ((perf_cap & PERF_CAP_PEBS_FORMAT) < 4)
- perf_cap &= ~PERF_CAP_PEBS_BASELINE;
- }
-
- return perf_cap;
-}
-
static inline bool cpu_has_notify_vmexit(void)
{
return vmcs_config.cpu_based_2nd_exec_ctrl &