From: Brian Woods Date: Tue, 31 Oct 2017 22:03:07 +0000 (-0500) Subject: x86/svm: add virtual VMLOAD/VMSAVE feature definition X-Git-Tag: archive/raspbian/4.11.1-1+rpi1~1^2~66^2~981 X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=7dc2ded666d44d62abc60cfc58ec99c25f1ce4db;p=xen.git x86/svm: add virtual VMLOAD/VMSAVE feature definition Adding support for enabling the virtual VMLOAD/VMSAVE feature.. Signed-off-by: Brian Woods Reviewed-by: Andrew Cooper Reviewed-by: Boris Ostrovsky --- diff --git a/xen/include/asm-x86/hvm/svm/svm.h b/xen/include/asm-x86/hvm/svm/svm.h index 0956f860ef..4edf7b002d 100644 --- a/xen/include/asm-x86/hvm/svm/svm.h +++ b/xen/include/asm-x86/hvm/svm/svm.h @@ -64,6 +64,7 @@ extern u32 svm_feature_flags; #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 SVM_FEATURE_VLOADSAVE 15 /* virtual vmload/vmsave */ #define cpu_has_svm_feature(f) test_bit(f, &svm_feature_flags) #define cpu_has_svm_npt cpu_has_svm_feature(SVM_FEATURE_NPT) @@ -74,6 +75,7 @@ extern u32 svm_feature_flags; #define cpu_has_svm_decode cpu_has_svm_feature(SVM_FEATURE_DECODEASSISTS) #define cpu_has_pause_filter cpu_has_svm_feature(SVM_FEATURE_PAUSEFILTER) #define cpu_has_tsc_ratio cpu_has_svm_feature(SVM_FEATURE_TSCRATEMSR) +#define cpu_has_svm_vloadsave cpu_has_svm_feature(SVM_FEATURE_VLOADSAVE) #define SVM_PAUSEFILTER_INIT 3000 diff --git a/xen/include/asm-x86/hvm/svm/vmcb.h b/xen/include/asm-x86/hvm/svm/vmcb.h index beec1f6c0e..1d3d45f6d7 100644 --- a/xen/include/asm-x86/hvm/svm/vmcb.h +++ b/xen/include/asm-x86/hvm/svm/vmcb.h @@ -359,6 +359,7 @@ typedef union struct { u64 lbr_enable:1; + u64 vloadsave_enable:1; } fields; } virt_ext_t;