Update AMD SVM feature flags
PATCH 1/1 Update AMD SVM feature flags
This patch updates AMD SVM feature flags (0x8000000A:EDX). It adds several new feature bits, along with feature description. The feature names are changed to be consistent with Linux kernel.
Signed-off-by Wei Huang <[email protected]>
xen/include/asm-x86/hvm/svm/svm.h +11 -8
@@ -64,18 +64,21 @@extern u32 svm_feature_flags; -#define SVM_FEATURE_NPT 0 -#define SVM_FEATURE_LBRV 1 -#define SVM_FEATURE_SVML 2 -#define SVM_FEATURE_NRIPS 3 -#define SVM_FEATURE_CLEAN 5 -#define SVM_FEATURE_PAUSEF 10 +#define SVM_FEATURE_NPT 0/* Nested page table support */ +#define SVM_FEATURE_LBRV 1/* LBR virtualization support */ +#define SVM_FEATURE_SVML 2/* SVM locking MSR support */ +#define SVM_FEATURE_NRIPS 3/* Next RIP save on VMEXIT support */ +#define SVM_FEATURE_TSCRATEMSR 4/* TSC ratio MSR support */ +#define SVM_FEATURE_VMCBCLEAN 5/* VMCB clean bits support */ +#define SVM_FEATURE_FLUSHBYASID 6/* TLB flush by ASID support */ +#define SVM_FEATURE_DECODEASSISTS 7/* Decode assists support */ +#define SVM_FEATURE_PAUSEFILTER 10/* Pause intercept filter support */ #define cpu_has_svm_npt test_bit(SVM_FEATURE_NPT, &svm_feature_flags)#define cpu_has_svm_lbrv test_bit(SVM_FEATURE_LBRV, &svm_feature_flags)#define cpu_has_svm_svml test_bit(SVM_FEATURE_SVML, &svm_feature_flags)#define cpu_has_svm_nrips test_bit(SVM_FEATURE_NRIPS, &svm_feature_flags) -#define cpu_has_svm_cleanbits test_bit(SVM_FEATURE_CLEAN, &svm_feature_flags) -#define cpu_has_pause_filter test_bit(SVM_FEATURE_PAUSEF, &svm_feature_flags) +#define cpu_has_svm_cleanbits test_bit(SVM_FEATURE_VMCBCLEAN, &svm_feature_flags) +#define cpu_has_pause_filter test_bit(SVM_FEATURE_PAUSEFILTER, &svm_feature_flags)#endif /* __ASM_X86_HVM_SVM_H__ */
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