diff options
| author | Aaron Lewis <aaronlewis@google.com> | 2023-04-04 17:45:19 -0700 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2023-04-11 10:19:03 -0700 |
| commit | 28f2302584af8ed60e2108bf40762a5c40ecb372 (patch) | |
| tree | daa36a57cbd557a2f607062c705e815bdca22844 /tools/testing/selftests/kvm/x86_64/amx_test.c | |
| parent | 7040e54fddf681758800d7375e728557213366f9 (diff) | |
KVM: selftests: Add all known XFEATURE masks to common code
Add all known XFEATURE masks to processor.h to make them more broadly
available in KVM selftests. Relocate and clean up the exiting AMX (XTILE)
defines in processor.h, e.g. drop the intermediate define and use BIT_ULL.
Signed-off-by: Aaron Lewis <aaronlewis@google.com>
Reviewed-by: Aaron Lewis <aaronlewis@google.com>
Tested-by: Aaron Lewis <aaronlewis@google.com>
Link: https://lore.kernel.org/r/20230405004520.421768-6-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'tools/testing/selftests/kvm/x86_64/amx_test.c')
| -rw-r--r-- | tools/testing/selftests/kvm/x86_64/amx_test.c | 38 |
1 files changed, 16 insertions, 22 deletions
diff --git a/tools/testing/selftests/kvm/x86_64/amx_test.c b/tools/testing/selftests/kvm/x86_64/amx_test.c index a0f74f5121a6..11329e5ff945 100644 --- a/tools/testing/selftests/kvm/x86_64/amx_test.c +++ b/tools/testing/selftests/kvm/x86_64/amx_test.c @@ -34,12 +34,6 @@ #define MAX_TILES 16 #define RESERVED_BYTES 14 -#define XFEATURE_XTILECFG 17 -#define XFEATURE_XTILEDATA 18 -#define XFEATURE_MASK_XTILECFG (1 << XFEATURE_XTILECFG) -#define XFEATURE_MASK_XTILEDATA (1 << XFEATURE_XTILEDATA) -#define XFEATURE_MASK_XTILE (XFEATURE_MASK_XTILECFG | XFEATURE_MASK_XTILEDATA) - #define XSAVE_HDR_OFFSET 512 struct tile_config { @@ -172,25 +166,25 @@ static void __attribute__((__flatten__)) guest_code(struct tile_config *amx_cfg, * After XSAVEC, XTILEDATA is cleared in the xstate_bv but is set in * the xcomp_bv. */ - xstate->header.xstate_bv = XFEATURE_MASK_XTILEDATA; - __xsavec(xstate, XFEATURE_MASK_XTILEDATA); - GUEST_ASSERT(!(xstate->header.xstate_bv & XFEATURE_MASK_XTILEDATA)); - GUEST_ASSERT(xstate->header.xcomp_bv & XFEATURE_MASK_XTILEDATA); + xstate->header.xstate_bv = XFEATURE_MASK_XTILE_DATA; + __xsavec(xstate, XFEATURE_MASK_XTILE_DATA); + GUEST_ASSERT(!(xstate->header.xstate_bv & XFEATURE_MASK_XTILE_DATA)); + GUEST_ASSERT(xstate->header.xcomp_bv & XFEATURE_MASK_XTILE_DATA); /* xfd=0x40000, disable amx tiledata */ - wrmsr(MSR_IA32_XFD, XFEATURE_MASK_XTILEDATA); + wrmsr(MSR_IA32_XFD, XFEATURE_MASK_XTILE_DATA); /* * XTILEDATA is cleared in xstate_bv but set in xcomp_bv, this property * remains the same even when amx tiledata is disabled by IA32_XFD. */ - xstate->header.xstate_bv = XFEATURE_MASK_XTILEDATA; - __xsavec(xstate, XFEATURE_MASK_XTILEDATA); - GUEST_ASSERT(!(xstate->header.xstate_bv & XFEATURE_MASK_XTILEDATA)); - GUEST_ASSERT((xstate->header.xcomp_bv & XFEATURE_MASK_XTILEDATA)); + xstate->header.xstate_bv = XFEATURE_MASK_XTILE_DATA; + __xsavec(xstate, XFEATURE_MASK_XTILE_DATA); + GUEST_ASSERT(!(xstate->header.xstate_bv & XFEATURE_MASK_XTILE_DATA)); + GUEST_ASSERT((xstate->header.xcomp_bv & XFEATURE_MASK_XTILE_DATA)); GUEST_SYNC(6); - GUEST_ASSERT(rdmsr(MSR_IA32_XFD) == XFEATURE_MASK_XTILEDATA); + GUEST_ASSERT(rdmsr(MSR_IA32_XFD) == XFEATURE_MASK_XTILE_DATA); set_tilecfg(amx_cfg); __ldtilecfg(amx_cfg); /* Trigger #NM exception */ @@ -202,14 +196,14 @@ static void __attribute__((__flatten__)) guest_code(struct tile_config *amx_cfg, void guest_nm_handler(struct ex_regs *regs) { - /* Check if #NM is triggered by XFEATURE_MASK_XTILEDATA */ + /* Check if #NM is triggered by XFEATURE_MASK_XTILE_DATA */ GUEST_SYNC(7); GUEST_ASSERT(!(get_cr0() & X86_CR0_TS)); - GUEST_ASSERT(rdmsr(MSR_IA32_XFD_ERR) == XFEATURE_MASK_XTILEDATA); - GUEST_ASSERT(rdmsr(MSR_IA32_XFD) == XFEATURE_MASK_XTILEDATA); + GUEST_ASSERT(rdmsr(MSR_IA32_XFD_ERR) == XFEATURE_MASK_XTILE_DATA); + GUEST_ASSERT(rdmsr(MSR_IA32_XFD) == XFEATURE_MASK_XTILE_DATA); GUEST_SYNC(8); - GUEST_ASSERT(rdmsr(MSR_IA32_XFD_ERR) == XFEATURE_MASK_XTILEDATA); - GUEST_ASSERT(rdmsr(MSR_IA32_XFD) == XFEATURE_MASK_XTILEDATA); + GUEST_ASSERT(rdmsr(MSR_IA32_XFD_ERR) == XFEATURE_MASK_XTILE_DATA); + GUEST_ASSERT(rdmsr(MSR_IA32_XFD) == XFEATURE_MASK_XTILE_DATA); /* Clear xfd_err */ wrmsr(MSR_IA32_XFD_ERR, 0); /* xfd=0, enable amx */ @@ -233,7 +227,7 @@ int main(int argc, char *argv[]) * Note, all off-by-default features must be enabled before anything * caches KVM_GET_SUPPORTED_CPUID, e.g. before using kvm_cpu_has(). */ - vm_xsave_require_permission(XFEATURE_MASK_XTILEDATA); + vm_xsave_require_permission(XFEATURE_MASK_XTILE_DATA); TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_XFD)); TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_XSAVE)); |