Messages in this thread | | | Subject | Re: [PATCH Part1 RFC v3 09/22] x86/compressed: Register GHCB memory when SEV-SNP is active | From | Brijesh Singh <> | Date | Mon, 14 Jun 2021 07:28:39 -0500 |
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On 6/9/21 12:47 PM, Borislav Petkov wrote: > On Wed, Jun 02, 2021 at 09:04:03AM -0500, Brijesh Singh wrote: >> diff --git a/arch/x86/include/asm/sev-common.h b/arch/x86/include/asm/sev-common.h >> index 1424b8ffde0b..ae99a8a756fe 100644 >> --- a/arch/x86/include/asm/sev-common.h >> +++ b/arch/x86/include/asm/sev-common.h >> @@ -75,6 +75,17 @@ >> #define GHCB_MSR_PSC_ERROR_POS 32 >> #define GHCB_MSR_PSC_RESP_VAL(val) ((val) >> GHCB_MSR_PSC_ERROR_POS) >> >> +/* GHCB GPA Register */ >> +#define GHCB_MSR_GPA_REG_REQ 0x012 >> +#define GHCB_MSR_GPA_REG_VALUE_POS 12 >> +#define GHCB_MSR_GPA_REG_GFN_MASK GENMASK_ULL(51, 0) >> +#define GHCB_MSR_GPA_REQ_GFN_VAL(v) \ >> + (((unsigned long)((v) & GHCB_MSR_GPA_REG_GFN_MASK) << GHCB_MSR_GPA_REG_VALUE_POS)| \ >> + GHCB_MSR_GPA_REG_REQ) >> + >> +#define GHCB_MSR_GPA_REG_RESP 0x013 >> +#define GHCB_MSR_GPA_REG_RESP_VAL(v) ((v) >> GHCB_MSR_GPA_REG_VALUE_POS) >> + > Can we pls pay attention to having those REQuests sorted by their > number, like in the GHCB spec, for faster finding?
Sure, I will keep them sorted. thanks
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