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-rw-r--r--arch/x86/include/asm/vmx.h65
1 files changed, 62 insertions, 3 deletions
diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h
index a002b07a7099..cc54b7026567 100644
--- a/arch/x86/include/asm/vmx.h
+++ b/arch/x86/include/asm/vmx.h
@@ -25,6 +25,7 @@
#define VMX_H
+#include <linux/bitops.h>
#include <linux/types.h>
#include <uapi/asm/vmx.h>
@@ -60,6 +61,7 @@
*/
#define SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
#define SECONDARY_EXEC_ENABLE_EPT 0x00000002
+#define SECONDARY_EXEC_DESC 0x00000004
#define SECONDARY_EXEC_RDTSCP 0x00000008
#define SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE 0x00000010
#define SECONDARY_EXEC_ENABLE_VPID 0x00000020
@@ -110,6 +112,36 @@
#define VMX_MISC_SAVE_EFER_LMA 0x00000020
#define VMX_MISC_ACTIVITY_HLT 0x00000040
+static inline u32 vmx_basic_vmcs_revision_id(u64 vmx_basic)
+{
+ return vmx_basic & GENMASK_ULL(30, 0);
+}
+
+static inline u32 vmx_basic_vmcs_size(u64 vmx_basic)
+{
+ return (vmx_basic & GENMASK_ULL(44, 32)) >> 32;
+}
+
+static inline int vmx_misc_preemption_timer_rate(u64 vmx_misc)
+{
+ return vmx_misc & VMX_MISC_PREEMPTION_TIMER_RATE_MASK;
+}
+
+static inline int vmx_misc_cr3_count(u64 vmx_misc)
+{
+ return (vmx_misc & GENMASK_ULL(24, 16)) >> 16;
+}
+
+static inline int vmx_misc_max_msr(u64 vmx_misc)
+{
+ return (vmx_misc & GENMASK_ULL(27, 25)) >> 25;
+}
+
+static inline int vmx_misc_mseg_revid(u64 vmx_misc)
+{
+ return (vmx_misc & GENMASK_ULL(63, 32)) >> 32;
+}
+
/* VMCS Encodings */
enum vmcs_field {
VIRTUAL_PROCESSOR_ID = 0x00000000,
@@ -399,10 +431,11 @@ enum vmcs_field {
#define IDENTITY_PAGETABLE_PRIVATE_MEMSLOT (KVM_USER_MEM_SLOTS + 2)
#define VMX_NR_VPIDS (1 << 16)
+#define VMX_VPID_EXTENT_INDIVIDUAL_ADDR 0
#define VMX_VPID_EXTENT_SINGLE_CONTEXT 1
#define VMX_VPID_EXTENT_ALL_CONTEXT 2
+#define VMX_VPID_EXTENT_SINGLE_NON_GLOBAL 3
-#define VMX_EPT_EXTENT_INDIVIDUAL_ADDR 0
#define VMX_EPT_EXTENT_CONTEXT 1
#define VMX_EPT_EXTENT_GLOBAL 2
#define VMX_EPT_EXTENT_SHIFT 24
@@ -419,8 +452,10 @@ enum vmcs_field {
#define VMX_EPT_EXTENT_GLOBAL_BIT (1ull << 26)
#define VMX_VPID_INVVPID_BIT (1ull << 0) /* (32 - 32) */
+#define VMX_VPID_EXTENT_INDIVIDUAL_ADDR_BIT (1ull << 8) /* (40 - 32) */
#define VMX_VPID_EXTENT_SINGLE_CONTEXT_BIT (1ull << 9) /* (41 - 32) */
#define VMX_VPID_EXTENT_GLOBAL_CONTEXT_BIT (1ull << 10) /* (42 - 32) */
+#define VMX_VPID_EXTENT_SINGLE_NON_GLOBAL_BIT (1ull << 11) /* (43 - 32) */
#define VMX_EPT_DEFAULT_GAW 3
#define VMX_EPT_MAX_GAW 0x4
@@ -432,8 +467,16 @@ enum vmcs_field {
#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_ACCESS_BIT (1ull << 8)
+#define VMX_EPT_DIRTY_BIT (1ull << 9)
+#define VMX_EPT_RWX_MASK (VMX_EPT_READABLE_MASK | \
+ VMX_EPT_WRITABLE_MASK | \
+ VMX_EPT_EXECUTABLE_MASK)
+#define VMX_EPT_MT_MASK (7ull << VMX_EPT_MT_EPTE_SHIFT)
+
+/* The mask to use to trigger an EPT Misconfiguration in order to track MMIO */
+#define VMX_EPT_MISCONFIG_WX_VALUE (VMX_EPT_WRITABLE_MASK | \
+ VMX_EPT_EXECUTABLE_MASK)
#define VMX_EPT_IDENTITY_PAGETABLE_ADDR 0xfffbc000ul
@@ -465,6 +508,22 @@ struct vmx_msr_entry {
#define ENTRY_FAIL_VMCS_LINK_PTR 4
/*
+ * 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_READABLE_BIT 3
+#define EPT_VIOLATION_WRITABLE_BIT 4
+#define EPT_VIOLATION_EXECUTABLE_BIT 5
+#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_READABLE (1 << EPT_VIOLATION_READABLE_BIT)
+#define EPT_VIOLATION_WRITABLE (1 << EPT_VIOLATION_WRITABLE_BIT)
+#define EPT_VIOLATION_EXECUTABLE (1 << EPT_VIOLATION_EXECUTABLE_BIT)
+
+/*
* VM-instruction error numbers
*/
enum vm_instruction_error_number {