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Diffstat (limited to 'arch/x86/include/asm/vmx.h')
-rw-r--r--arch/x86/include/asm/vmx.h113
1 files changed, 82 insertions, 31 deletions
diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h
index 498dc600bd5c..c85c50019523 100644
--- a/arch/x86/include/asm/vmx.h
+++ b/arch/x86/include/asm/vmx.h
@@ -13,8 +13,11 @@
#include <linux/bitops.h>
+#include <linux/bug.h>
#include <linux/types.h>
+
#include <uapi/asm/vmx.h>
+#include <asm/trapnr.h>
#include <asm/vmxfeatures.h>
#define VMCS_CONTROL_BIT(x) BIT(VMX_FEATURE_##x & 0x1f)
@@ -68,8 +71,9 @@
#define SECONDARY_EXEC_ENCLS_EXITING VMCS_CONTROL_BIT(ENCLS_EXITING)
#define SECONDARY_EXEC_RDSEED_EXITING VMCS_CONTROL_BIT(RDSEED_EXITING)
#define SECONDARY_EXEC_ENABLE_PML VMCS_CONTROL_BIT(PAGE_MOD_LOGGING)
+#define SECONDARY_EXEC_EPT_VIOLATION_VE VMCS_CONTROL_BIT(EPT_VIOLATION_VE)
#define SECONDARY_EXEC_PT_CONCEAL_VMX VMCS_CONTROL_BIT(PT_CONCEAL_VMX)
-#define SECONDARY_EXEC_XSAVES VMCS_CONTROL_BIT(XSAVES)
+#define SECONDARY_EXEC_ENABLE_XSAVES VMCS_CONTROL_BIT(XSAVES)
#define SECONDARY_EXEC_MODE_BASED_EPT_EXEC VMCS_CONTROL_BIT(MODE_BASED_EPT_EXEC)
#define SECONDARY_EXEC_PT_USE_GPA VMCS_CONTROL_BIT(PT_USE_GPA)
#define SECONDARY_EXEC_TSC_SCALING VMCS_CONTROL_BIT(TSC_SCALING)
@@ -102,6 +106,7 @@
#define VM_EXIT_CLEAR_BNDCFGS 0x00800000
#define VM_EXIT_PT_CONCEAL_PIP 0x01000000
#define VM_EXIT_CLEAR_IA32_RTIT_CTL 0x02000000
+#define VM_EXIT_LOAD_CET_STATE 0x10000000
#define VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR 0x00036dff
@@ -115,22 +120,22 @@
#define VM_ENTRY_LOAD_BNDCFGS 0x00010000
#define VM_ENTRY_PT_CONCEAL_PIP 0x00020000
#define VM_ENTRY_LOAD_IA32_RTIT_CTL 0x00040000
+#define VM_ENTRY_LOAD_CET_STATE 0x00100000
#define VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR 0x000011ff
-#define VMX_MISC_PREEMPTION_TIMER_RATE_MASK 0x0000001f
-#define VMX_MISC_SAVE_EFER_LMA 0x00000020
-#define VMX_MISC_ACTIVITY_HLT 0x00000040
-#define VMX_MISC_ACTIVITY_WAIT_SIPI 0x00000100
-#define VMX_MISC_ZERO_LEN_INS 0x40000000
-#define VMX_MISC_MSR_LIST_MULTIPLIER 512
-
/* VMFUNC functions */
#define VMFUNC_CONTROL_BIT(x) BIT((VMX_FEATURE_##x & 0x1f) - 28)
#define VMX_VMFUNC_EPTP_SWITCHING VMFUNC_CONTROL_BIT(EPTP_SWITCHING)
#define VMFUNC_EPTP_ENTRIES 512
+#define VMX_BASIC_32BIT_PHYS_ADDR_ONLY BIT_ULL(48)
+#define VMX_BASIC_DUAL_MONITOR_TREATMENT BIT_ULL(49)
+#define VMX_BASIC_INOUT BIT_ULL(54)
+#define VMX_BASIC_TRUE_CTLS BIT_ULL(55)
+#define VMX_BASIC_NO_HW_ERROR_CODE_CC BIT_ULL(56)
+
static inline u32 vmx_basic_vmcs_revision_id(u64 vmx_basic)
{
return vmx_basic & GENMASK_ULL(30, 0);
@@ -141,9 +146,30 @@ static inline u32 vmx_basic_vmcs_size(u64 vmx_basic)
return (vmx_basic & GENMASK_ULL(44, 32)) >> 32;
}
+static inline u32 vmx_basic_vmcs_mem_type(u64 vmx_basic)
+{
+ return (vmx_basic & GENMASK_ULL(53, 50)) >> 50;
+}
+
+static inline u64 vmx_basic_encode_vmcs_info(u32 revision, u16 size, u8 memtype)
+{
+ return revision | ((u64)size << 32) | ((u64)memtype << 50);
+}
+
+#define VMX_MISC_SAVE_EFER_LMA BIT_ULL(5)
+#define VMX_MISC_ACTIVITY_HLT BIT_ULL(6)
+#define VMX_MISC_ACTIVITY_SHUTDOWN BIT_ULL(7)
+#define VMX_MISC_ACTIVITY_WAIT_SIPI BIT_ULL(8)
+#define VMX_MISC_INTEL_PT BIT_ULL(14)
+#define VMX_MISC_RDMSR_IN_SMM BIT_ULL(15)
+#define VMX_MISC_VMXOFF_BLOCK_SMI BIT_ULL(28)
+#define VMX_MISC_VMWRITE_SHADOW_RO_FIELDS BIT_ULL(29)
+#define VMX_MISC_ZERO_LEN_INS BIT_ULL(30)
+#define VMX_MISC_MSR_LIST_MULTIPLIER 512
+
static inline int vmx_misc_preemption_timer_rate(u64 vmx_misc)
{
- return vmx_misc & VMX_MISC_PREEMPTION_TIMER_RATE_MASK;
+ return vmx_misc & GENMASK_ULL(4, 0);
}
static inline int vmx_misc_cr3_count(u64 vmx_misc)
@@ -223,6 +249,8 @@ enum vmcs_field {
VMREAD_BITMAP_HIGH = 0x00002027,
VMWRITE_BITMAP = 0x00002028,
VMWRITE_BITMAP_HIGH = 0x00002029,
+ VE_INFORMATION_ADDRESS = 0x0000202A,
+ VE_INFORMATION_ADDRESS_HIGH = 0x0000202B,
XSS_EXIT_BITMAP = 0x0000202C,
XSS_EXIT_BITMAP_HIGH = 0x0000202D,
ENCLS_EXITING_BITMAP = 0x0000202E,
@@ -231,6 +259,7 @@ enum vmcs_field {
TSC_MULTIPLIER_HIGH = 0x00002033,
TERTIARY_VM_EXEC_CONTROL = 0x00002034,
TERTIARY_VM_EXEC_CONTROL_HIGH = 0x00002035,
+ SHARED_EPT_POINTER = 0x0000203C,
PID_POINTER_TABLE = 0x00002042,
PID_POINTER_TABLE_HIGH = 0x00002043,
GUEST_PHYSICAL_ADDRESS = 0x00002400,
@@ -343,6 +372,9 @@ enum vmcs_field {
GUEST_PENDING_DBG_EXCEPTIONS = 0x00006822,
GUEST_SYSENTER_ESP = 0x00006824,
GUEST_SYSENTER_EIP = 0x00006826,
+ GUEST_S_CET = 0x00006828,
+ GUEST_SSP = 0x0000682a,
+ GUEST_INTR_SSP_TABLE = 0x0000682c,
HOST_CR0 = 0x00006c00,
HOST_CR3 = 0x00006c02,
HOST_CR4 = 0x00006c04,
@@ -355,6 +387,9 @@ enum vmcs_field {
HOST_IA32_SYSENTER_EIP = 0x00006c12,
HOST_RSP = 0x00006c14,
HOST_RIP = 0x00006c16,
+ HOST_S_CET = 0x00006c18,
+ HOST_SSP = 0x00006c1a,
+ HOST_INTR_SSP_TABLE = 0x00006c1c
};
/*
@@ -372,14 +407,14 @@ enum vmcs_field {
#define VECTORING_INFO_DELIVER_CODE_MASK INTR_INFO_DELIVER_CODE_MASK
#define VECTORING_INFO_VALID_MASK INTR_INFO_VALID_MASK
-#define INTR_TYPE_EXT_INTR (0 << 8) /* external interrupt */
-#define INTR_TYPE_RESERVED (1 << 8) /* reserved */
-#define INTR_TYPE_NMI_INTR (2 << 8) /* NMI */
-#define INTR_TYPE_HARD_EXCEPTION (3 << 8) /* processor exception */
-#define INTR_TYPE_SOFT_INTR (4 << 8) /* software interrupt */
-#define INTR_TYPE_PRIV_SW_EXCEPTION (5 << 8) /* ICE breakpoint - undocumented */
-#define INTR_TYPE_SOFT_EXCEPTION (6 << 8) /* software exception */
-#define INTR_TYPE_OTHER_EVENT (7 << 8) /* other event */
+#define INTR_TYPE_EXT_INTR (EVENT_TYPE_EXTINT << 8) /* external interrupt */
+#define INTR_TYPE_RESERVED (EVENT_TYPE_RESERVED << 8) /* reserved */
+#define INTR_TYPE_NMI_INTR (EVENT_TYPE_NMI << 8) /* NMI */
+#define INTR_TYPE_HARD_EXCEPTION (EVENT_TYPE_HWEXC << 8) /* processor exception */
+#define INTR_TYPE_SOFT_INTR (EVENT_TYPE_SWINT << 8) /* software interrupt */
+#define INTR_TYPE_PRIV_SW_EXCEPTION (EVENT_TYPE_PRIV_SWEXC << 8) /* ICE breakpoint */
+#define INTR_TYPE_SOFT_EXCEPTION (EVENT_TYPE_SWEXC << 8) /* software exception */
+#define INTR_TYPE_OTHER_EVENT (EVENT_TYPE_OTHER << 8) /* other event */
/* GUEST_INTERRUPTIBILITY_INFO flags. */
#define GUEST_INTR_STATE_STI 0x00000001
@@ -502,15 +537,17 @@ enum vmcs_field {
#define VMX_EPTP_PWL_4 0x18ull
#define VMX_EPTP_PWL_5 0x20ull
#define VMX_EPTP_AD_ENABLE_BIT (1ull << 6)
+/* The EPTP memtype is encoded in bits 2:0, i.e. doesn't need to be shifted. */
#define VMX_EPTP_MT_MASK 0x7ull
-#define VMX_EPTP_MT_WB 0x6ull
-#define VMX_EPTP_MT_UC 0x0ull
+#define VMX_EPTP_MT_WB X86_MEMTYPE_WB
+#define VMX_EPTP_MT_UC X86_MEMTYPE_UC
#define VMX_EPT_READABLE_MASK 0x1ull
#define VMX_EPT_WRITABLE_MASK 0x2ull
#define VMX_EPT_EXECUTABLE_MASK 0x4ull
#define VMX_EPT_IPAT_BIT (1ull << 6)
#define VMX_EPT_ACCESS_BIT (1ull << 8)
#define VMX_EPT_DIRTY_BIT (1ull << 9)
+#define VMX_EPT_SUPPRESS_VE_BIT (1ull << 63)
#define VMX_EPT_RWX_MASK (VMX_EPT_READABLE_MASK | \
VMX_EPT_WRITABLE_MASK | \
VMX_EPT_EXECUTABLE_MASK)
@@ -553,18 +590,23 @@ enum vm_entry_failure_code {
/*
* Exit Qualifications for EPT Violations
*/
-#define EPT_VIOLATION_ACC_READ_BIT 0
-#define EPT_VIOLATION_ACC_WRITE_BIT 1
-#define EPT_VIOLATION_ACC_INSTR_BIT 2
-#define EPT_VIOLATION_RWX_SHIFT 3
-#define EPT_VIOLATION_GVA_IS_VALID_BIT 7
-#define EPT_VIOLATION_GVA_TRANSLATED_BIT 8
-#define EPT_VIOLATION_ACC_READ (1 << EPT_VIOLATION_ACC_READ_BIT)
-#define EPT_VIOLATION_ACC_WRITE (1 << EPT_VIOLATION_ACC_WRITE_BIT)
-#define EPT_VIOLATION_ACC_INSTR (1 << EPT_VIOLATION_ACC_INSTR_BIT)
-#define EPT_VIOLATION_RWX_MASK (VMX_EPT_RWX_MASK << EPT_VIOLATION_RWX_SHIFT)
-#define EPT_VIOLATION_GVA_IS_VALID (1 << EPT_VIOLATION_GVA_IS_VALID_BIT)
-#define EPT_VIOLATION_GVA_TRANSLATED (1 << EPT_VIOLATION_GVA_TRANSLATED_BIT)
+#define EPT_VIOLATION_ACC_READ BIT(0)
+#define EPT_VIOLATION_ACC_WRITE BIT(1)
+#define EPT_VIOLATION_ACC_INSTR BIT(2)
+#define EPT_VIOLATION_PROT_READ BIT(3)
+#define EPT_VIOLATION_PROT_WRITE BIT(4)
+#define EPT_VIOLATION_PROT_EXEC BIT(5)
+#define EPT_VIOLATION_EXEC_FOR_RING3_LIN BIT(6)
+#define EPT_VIOLATION_PROT_MASK (EPT_VIOLATION_PROT_READ | \
+ EPT_VIOLATION_PROT_WRITE | \
+ EPT_VIOLATION_PROT_EXEC)
+#define EPT_VIOLATION_GVA_IS_VALID BIT(7)
+#define EPT_VIOLATION_GVA_TRANSLATED BIT(8)
+
+#define EPT_VIOLATION_RWX_TO_PROT(__epte) (((__epte) & VMX_EPT_RWX_MASK) << 3)
+
+static_assert(EPT_VIOLATION_RWX_TO_PROT(VMX_EPT_RWX_MASK) ==
+ (EPT_VIOLATION_PROT_READ | EPT_VIOLATION_PROT_WRITE | EPT_VIOLATION_PROT_EXEC));
/*
* Exit Qualifications for NOTIFY VM EXIT
@@ -627,4 +669,13 @@ enum vmx_l1d_flush_state {
extern enum vmx_l1d_flush_state l1tf_vmx_mitigation;
+struct vmx_ve_information {
+ u32 exit_reason;
+ u32 delivery;
+ u64 exit_qualification;
+ u64 guest_linear_address;
+ u64 guest_physical_address;
+ u16 eptp_index;
+};
+
#endif