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| author | Babu Moger <babu.moger@amd.com> | 2020-09-11 14:27:58 -0500 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-09-28 07:57:13 -0400 |
| commit | c45ad7229d139ad48e894a271f8df6975e53d12e (patch) | |
| tree | 0211835bcbb626176211c45fe36a2c33ac155c2b /arch/x86/include/asm | |
| parent | a90c1ed9f11dbc3d37664a8561e50e3f3695c539 (diff) | |
| download | lwn-c45ad7229d139ad48e894a271f8df6975e53d12e.tar.gz lwn-c45ad7229d139ad48e894a271f8df6975e53d12e.zip | |
KVM: SVM: Introduce vmcb_(set_intercept/clr_intercept/_is_intercept)
This is in preparation for the future intercept vector additions.
Add new functions vmcb_set_intercept, vmcb_clr_intercept and vmcb_is_intercept
using kernel APIs __set_bit, __clear_bit and test_bit espectively.
Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Message-Id: <159985247876.11252.16039238014239824460.stgit@bmoger-ubuntu>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/include/asm')
| -rw-r--r-- | arch/x86/include/asm/svm.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h index cf13f9e78585..debe71f0226c 100644 --- a/arch/x86/include/asm/svm.h +++ b/arch/x86/include/asm/svm.h @@ -4,6 +4,14 @@ #include <uapi/asm/svm.h> +/* + * 32-bit intercept words in the VMCB Control Area, starting + * at Byte offset 000h. + */ + +enum intercept_words { + MAX_INTERCEPT, +}; enum { INTERCEPT_INTR, @@ -57,6 +65,7 @@ enum { struct __attribute__ ((__packed__)) vmcb_control_area { + u32 intercepts[MAX_INTERCEPT]; u32 intercept_cr; u32 intercept_dr; u32 intercept_exceptions; |