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KVM: VMX: Move MSR_IA32_VMX_BASIC bit defines to asm/vmx.h

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Move the bit defines for MSR_IA32_VMX_BASIC from msr-index.h to vmx.h so
that they are colocated with other VMX MSR bit defines, and with the
helpers that extract specific information from an MSR_IA32_VMX_BASIC value.

Opportunistically use BIT_ULL() instead of open coding hex values.

Opportunistically rename VMX_BASIC_64 to VMX_BASIC_32BIT_PHYS_ADDR_ONLY,
as "VMX_BASIC_64" is widly misleading.  The flag enumerates that addresses
are limited to 32 bits, not that 64-bit addresses are allowed.

Last but not least, opportunistically #define DUAL_MONITOR_TREATMENT so
that all known single-bit feature flags are defined (this will allow
replacing open-coded literals in the future).

Cc: Shan Kang <shan.kang@intel.com>
Cc: Kai Huang <kai.huang@intel.com>
Signed-off-by: Xin Li <xin3.li@intel.com>
[sean: split to separate patch, write changelog]
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Kai Huang <kai.huang@intel.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Link: https://lore.kernel.org/r/20240605231918.2915961-5-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Xin Li 2024-06-05 16:19:12 -07:00 committed by Sean Christopherson
parent b6717d35d8
commit d7bfc9ffd5
2 changed files with 7 additions and 8 deletions
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8
arch/x86/include/asm/msr-index.h
View file

@ -1177,14 +1177,6 @@
#define MSR_IA32_VMX_VMFUNC 0x00000491
#define MSR_IA32_VMX_PROCBASED_CTLS3 0x00000492
/* VMX_BASIC bits and bitmasks */
#define VMX_BASIC_VMCS_SIZE_SHIFT 32
#define VMX_BASIC_TRUE_CTLS (1ULL << 55)
#define VMX_BASIC_64 0x0001000000000000LLU
#define VMX_BASIC_MEM_TYPE_SHIFT 50
#define VMX_BASIC_MEM_TYPE_MASK 0x003c000000000000LLU
#define VMX_BASIC_INOUT 0x0040000000000000LLU
/* Resctrl MSRs: */
/* - Intel: */
#define MSR_IA32_L3_QOS_CFG 0xc81

7
arch/x86/include/asm/vmx.h
View file

@ -135,6 +135,13 @@
#define VMX_VMFUNC_EPTP_SWITCHING VMFUNC_CONTROL_BIT(EPTP_SWITCHING)
#define VMFUNC_EPTP_ENTRIES 512
#define VMX_BASIC_VMCS_SIZE_SHIFT 32
#define VMX_BASIC_32BIT_PHYS_ADDR_ONLY BIT_ULL(48)
#define VMX_BASIC_DUAL_MONITOR_TREATMENT BIT_ULL(49)
#define VMX_BASIC_MEM_TYPE_SHIFT 50
#define VMX_BASIC_INOUT BIT_ULL(54)
#define VMX_BASIC_TRUE_CTLS BIT_ULL(55)
static inline u32 vmx_basic_vmcs_revision_id(u64 vmx_basic)
{
return vmx_basic & GENMASK_ULL(30, 0);