KVM: VMX: Use VMX_FEATURE_* flags to define VMCS control bits
authorSean Christopherson <sean.j.christopherson@intel.com>
Sat, 21 Dec 2019 04:45:11 +0000 (20:45 -0800)
committerBorislav Petkov <bp@suse.de>
Mon, 13 Jan 2020 18:29:16 +0000 (19:29 +0100)
Define the VMCS execution control flags (consumed by KVM) using their
associated VMX_FEATURE_* to provide a strong hint that new VMX features
are expected to be added to VMX_FEATURE and considered for reporting via
/proc/cpuinfo.

No functional change intended.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20191221044513.21680-18-sean.j.christopherson@intel.com
arch/x86/include/asm/vmx.h

index 1835767..9fbba31 100644 (file)
 #include <linux/bitops.h>
 #include <linux/types.h>
 #include <uapi/asm/vmx.h>
+#include <asm/vmxfeatures.h>
+
+#define VMCS_CONTROL_BIT(x)    BIT(VMX_FEATURE_##x & 0x1f)
 
 /*
  * Definitions of Primary Processor-Based VM-Execution Controls.
  */
-#define CPU_BASED_VIRTUAL_INTR_PENDING          0x00000004
-#define CPU_BASED_USE_TSC_OFFSETING             0x00000008
-#define CPU_BASED_HLT_EXITING                   0x00000080
-#define CPU_BASED_INVLPG_EXITING                0x00000200
-#define CPU_BASED_MWAIT_EXITING                 0x00000400
-#define CPU_BASED_RDPMC_EXITING                 0x00000800
-#define CPU_BASED_RDTSC_EXITING                 0x00001000
-#define CPU_BASED_CR3_LOAD_EXITING             0x00008000
-#define CPU_BASED_CR3_STORE_EXITING            0x00010000
-#define CPU_BASED_CR8_LOAD_EXITING              0x00080000
-#define CPU_BASED_CR8_STORE_EXITING             0x00100000
-#define CPU_BASED_TPR_SHADOW                    0x00200000
-#define CPU_BASED_VIRTUAL_NMI_PENDING          0x00400000
-#define CPU_BASED_MOV_DR_EXITING                0x00800000
-#define CPU_BASED_UNCOND_IO_EXITING             0x01000000
-#define CPU_BASED_USE_IO_BITMAPS                0x02000000
-#define CPU_BASED_MONITOR_TRAP_FLAG             0x08000000
-#define CPU_BASED_USE_MSR_BITMAPS               0x10000000
-#define CPU_BASED_MONITOR_EXITING               0x20000000
-#define CPU_BASED_PAUSE_EXITING                 0x40000000
-#define CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   0x80000000
+#define CPU_BASED_VIRTUAL_INTR_PENDING          VMCS_CONTROL_BIT(VIRTUAL_INTR_PENDING)
+#define CPU_BASED_USE_TSC_OFFSETING             VMCS_CONTROL_BIT(TSC_OFFSETTING)
+#define CPU_BASED_HLT_EXITING                   VMCS_CONTROL_BIT(HLT_EXITING)
+#define CPU_BASED_INVLPG_EXITING                VMCS_CONTROL_BIT(INVLPG_EXITING)
+#define CPU_BASED_MWAIT_EXITING                 VMCS_CONTROL_BIT(MWAIT_EXITING)
+#define CPU_BASED_RDPMC_EXITING                 VMCS_CONTROL_BIT(RDPMC_EXITING)
+#define CPU_BASED_RDTSC_EXITING                 VMCS_CONTROL_BIT(RDTSC_EXITING)
+#define CPU_BASED_CR3_LOAD_EXITING             VMCS_CONTROL_BIT(CR3_LOAD_EXITING)
+#define CPU_BASED_CR3_STORE_EXITING            VMCS_CONTROL_BIT(CR3_STORE_EXITING)
+#define CPU_BASED_CR8_LOAD_EXITING              VMCS_CONTROL_BIT(CR8_LOAD_EXITING)
+#define CPU_BASED_CR8_STORE_EXITING             VMCS_CONTROL_BIT(CR8_STORE_EXITING)
+#define CPU_BASED_TPR_SHADOW                    VMCS_CONTROL_BIT(VIRTUAL_TPR)
+#define CPU_BASED_VIRTUAL_NMI_PENDING          VMCS_CONTROL_BIT(VIRTUAL_NMI_PENDING)
+#define CPU_BASED_MOV_DR_EXITING                VMCS_CONTROL_BIT(MOV_DR_EXITING)
+#define CPU_BASED_UNCOND_IO_EXITING             VMCS_CONTROL_BIT(UNCOND_IO_EXITING)
+#define CPU_BASED_USE_IO_BITMAPS                VMCS_CONTROL_BIT(USE_IO_BITMAPS)
+#define CPU_BASED_MONITOR_TRAP_FLAG             VMCS_CONTROL_BIT(MONITOR_TRAP_FLAG)
+#define CPU_BASED_USE_MSR_BITMAPS               VMCS_CONTROL_BIT(USE_MSR_BITMAPS)
+#define CPU_BASED_MONITOR_EXITING               VMCS_CONTROL_BIT(MONITOR_EXITING)
+#define CPU_BASED_PAUSE_EXITING                 VMCS_CONTROL_BIT(PAUSE_EXITING)
+#define CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   VMCS_CONTROL_BIT(SEC_CONTROLS)
 
 #define CPU_BASED_ALWAYSON_WITHOUT_TRUE_MSR    0x0401e172
 
 /*
  * Definitions of Secondary Processor-Based VM-Execution Controls.
  */
-#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
-#define SECONDARY_EXEC_WBINVD_EXITING          0x00000040
-#define SECONDARY_EXEC_UNRESTRICTED_GUEST      0x00000080
-#define SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100
-#define SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200
-#define SECONDARY_EXEC_PAUSE_LOOP_EXITING      0x00000400
-#define SECONDARY_EXEC_RDRAND_EXITING          0x00000800
-#define SECONDARY_EXEC_ENABLE_INVPCID          0x00001000
-#define SECONDARY_EXEC_ENABLE_VMFUNC            0x00002000
-#define SECONDARY_EXEC_SHADOW_VMCS              0x00004000
-#define SECONDARY_EXEC_ENCLS_EXITING           0x00008000
-#define SECONDARY_EXEC_RDSEED_EXITING          0x00010000
-#define SECONDARY_EXEC_ENABLE_PML               0x00020000
-#define SECONDARY_EXEC_PT_CONCEAL_VMX          0x00080000
-#define SECONDARY_EXEC_XSAVES                  0x00100000
-#define SECONDARY_EXEC_PT_USE_GPA              0x01000000
-#define SECONDARY_EXEC_MODE_BASED_EPT_EXEC     0x00400000
-#define SECONDARY_EXEC_TSC_SCALING              0x02000000
+#define SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES VMCS_CONTROL_BIT(VIRT_APIC_ACCESSES)
+#define SECONDARY_EXEC_ENABLE_EPT               VMCS_CONTROL_BIT(EPT)
+#define SECONDARY_EXEC_DESC                    VMCS_CONTROL_BIT(DESC_EXITING)
+#define SECONDARY_EXEC_RDTSCP                  VMCS_CONTROL_BIT(RDTSCP)
+#define SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE   VMCS_CONTROL_BIT(VIRTUAL_X2APIC)
+#define SECONDARY_EXEC_ENABLE_VPID              VMCS_CONTROL_BIT(VPID)
+#define SECONDARY_EXEC_WBINVD_EXITING          VMCS_CONTROL_BIT(WBINVD_EXITING)
+#define SECONDARY_EXEC_UNRESTRICTED_GUEST      VMCS_CONTROL_BIT(UNRESTRICTED_GUEST)
+#define SECONDARY_EXEC_APIC_REGISTER_VIRT       VMCS_CONTROL_BIT(APIC_REGISTER_VIRT)
+#define SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    VMCS_CONTROL_BIT(VIRT_INTR_DELIVERY)
+#define SECONDARY_EXEC_PAUSE_LOOP_EXITING      VMCS_CONTROL_BIT(PAUSE_LOOP_EXITING)
+#define SECONDARY_EXEC_RDRAND_EXITING          VMCS_CONTROL_BIT(RDRAND_EXITING)
+#define SECONDARY_EXEC_ENABLE_INVPCID          VMCS_CONTROL_BIT(INVPCID)
+#define SECONDARY_EXEC_ENABLE_VMFUNC            VMCS_CONTROL_BIT(VMFUNC)
+#define SECONDARY_EXEC_SHADOW_VMCS              VMCS_CONTROL_BIT(SHADOW_VMCS)
+#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_PT_CONCEAL_VMX          VMCS_CONTROL_BIT(PT_CONCEAL_VMX)
+#define SECONDARY_EXEC_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)
 #define SECONDARY_EXEC_ENABLE_USR_WAIT_PAUSE   0x04000000
 
-#define PIN_BASED_EXT_INTR_MASK                 0x00000001
-#define PIN_BASED_NMI_EXITING                   0x00000008
-#define PIN_BASED_VIRTUAL_NMIS                  0x00000020
-#define PIN_BASED_VMX_PREEMPTION_TIMER          0x00000040
-#define PIN_BASED_POSTED_INTR                   0x00000080
+#define PIN_BASED_EXT_INTR_MASK                 VMCS_CONTROL_BIT(INTR_EXITING)
+#define PIN_BASED_NMI_EXITING                   VMCS_CONTROL_BIT(NMI_EXITING)
+#define PIN_BASED_VIRTUAL_NMIS                  VMCS_CONTROL_BIT(VIRTUAL_NMIS)
+#define PIN_BASED_VMX_PREEMPTION_TIMER          VMCS_CONTROL_BIT(PREEMPTION_TIMER)
+#define PIN_BASED_POSTED_INTR                   VMCS_CONTROL_BIT(POSTED_INTR)
 
 #define PIN_BASED_ALWAYSON_WITHOUT_TRUE_MSR    0x00000016
 
 #define VMX_MISC_MSR_LIST_MULTIPLIER           512
 
 /* VMFUNC functions */
-#define VMX_VMFUNC_EPTP_SWITCHING               0x00000001
+#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
 
 static inline u32 vmx_basic_vmcs_revision_id(u64 vmx_basic)