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| author | Tom Lendacky <thomas.lendacky@amd.com> | 2020-09-07 15:15:50 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2020-09-09 11:33:19 +0200 |
| commit | 51ee7d6e3d2b70a3f232cceffab5084a2abd6719 (patch) | |
| tree | 3d91ea4317b255172111a14a36b9ee1a1f7c5690 /arch/x86/include/uapi | |
| parent | 5e3427a7bc432ed2e5de394ac30f160cc6c37a1f (diff) | |
| download | linux-stable-51ee7d6e3d2b70a3f232cceffab5084a2abd6719.tar.gz linux-stable-51ee7d6e3d2b70a3f232cceffab5084a2abd6719.tar.bz2 linux-stable-51ee7d6e3d2b70a3f232cceffab5084a2abd6719.zip | |
x86/sev-es: Handle MMIO events
Add a handler for #VC exceptions caused by MMIO intercepts. These
intercepts come along as nested page faults on pages with reserved
bits set.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
[ jroedel@suse.de: Adapt to VC handling framework ]
Co-developed-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200907131613.12703-50-joro@8bytes.org
Diffstat (limited to 'arch/x86/include/uapi')
| -rw-r--r-- | arch/x86/include/uapi/asm/svm.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/uapi/asm/svm.h b/arch/x86/include/uapi/asm/svm.h index c68d1618c9b0..8f36ae021a7f 100644 --- a/arch/x86/include/uapi/asm/svm.h +++ b/arch/x86/include/uapi/asm/svm.h @@ -81,6 +81,11 @@ #define SVM_EXIT_AVIC_INCOMPLETE_IPI 0x401 #define SVM_EXIT_AVIC_UNACCELERATED_ACCESS 0x402 +/* SEV-ES software-defined VMGEXIT events */ +#define SVM_VMGEXIT_MMIO_READ 0x80000001 +#define SVM_VMGEXIT_MMIO_WRITE 0x80000002 +#define SVM_VMGEXIT_UNSUPPORTED_EVENT 0x8000ffff + #define SVM_EXIT_ERR -1 #define SVM_EXIT_REASONS \ |