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X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData: T4DiZXLahEtjOUqrwsVE68QvrhwFyHfM1sAn6vbAi/ycs9fpktkrFYPcl5z1R0RAVL5at76HkqSeKAGFerwGH57FKrU1qS35qjDvBayisi+oCVHAgxG03M9sksqusdfFtC7ucXG4T7qUeSUqm+9yVg== X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 85f175c2-fe8f-4912-3382-08d7befe7cc6 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Mar 2020 23:07:32.2128 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: Mt9mOacvLmlOlF5FhwwDYSHUAFlFksukJTsPOTQL9VZeYT95aayLWk01vNWs/8kcspJf/ECQI9irTCD7iIeN9Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4041 Content-Type: text/plain BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 The GHCB is used by an SEV-ES guest for communicating between the guest and the hypervisor. Create the GHCB definition as defined by the GHCB protocol definition. Cc: Michael D Kinney Cc: Liming Gao Signed-off-by: Tom Lendacky --- MdePkg/Include/Register/Amd/Ghcb.h | 136 +++++++++++++++++++++++++++++ 1 file changed, 136 insertions(+) create mode 100644 MdePkg/Include/Register/Amd/Ghcb.h diff --git a/MdePkg/Include/Register/Amd/Ghcb.h b/MdePkg/Include/Register/Amd/Ghcb.h new file mode 100644 index 000000000000..ffad7efd82d9 --- /dev/null +++ b/MdePkg/Include/Register/Amd/Ghcb.h @@ -0,0 +1,136 @@ +/** @file + Guest-Hypervisor Communication Block (GHCB) Definition. + + Provides data types allowing an SEV-ES guest to interact with the hypervisor + using the GHCB protocol. + + Copyright (c) 2020, Advanced Micro Devices, Inc. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + + @par Specification Reference: + SEV-ES Guest-Hypervisor Communication Block Standardization + +**/ + +#ifndef __GHCB_H__ +#define __GHCB_H__ + +#include +#include + +#define UD_EXCEPTION 6 +#define GP_EXCEPTION 13 + +#define GHCB_VERSION_MIN 1 +#define GHCB_VERSION_MAX 1 + +#define GHCB_STANDARD_USAGE 0 + +typedef enum { + SvmExitDr7Read = 0x27, + SvmExitDr7Write = 0x37, + SvmExitRdtsc = 0x6E, + SvmExitRdpmc, + SvmExitCpuid = 0x72, + SvmExitInvd = 0x76, + SvmExitIoioProt = 0x7B, + SvmExitMsr, + SvmExitVmmCall = 0x81, + SvmExitRdtscp = 0x87, + SvmExitWbinvd = 0x89, + SvmExitMonitor, + SvmExitMwait, + SvmExitNpf = 0x400, + + // VMG special exits + SvmExitMmioRead = 0x80000001, + SvmExitMmioWrite, + SvmExitNmiComplete, + SvmExitApResetHold, + SvmExitApJumpTable, + + SvmExitUnsupported = 0x8000FFFF, +} SVM_EXITCODE; + +typedef enum { + GhcbCpl = 25, + GhcbRflags = 46, + GhcbRip, + GhcbRsp = 59, + GhcbRax = 63, + GhcbRcx = 97, + GhcbRdx, + GhcbRbx, + GhcbRbp = 101, + GhcbRsi, + GhcbRdi, + GhcbR8, + GhcbR9, + GhcbR10, + GhcbR11, + GhcbR12, + GhcbR13, + GhcbR14, + GhcbR15, + GhcbXCr0 = 125, +} GHCB_REGISTER; + +typedef struct { + UINT8 Reserved1[203]; + UINT8 Cpl; + UINT8 Reserved2[148]; + UINT64 Dr7; + UINT8 Reserved3[144]; + UINT64 Rax; + UINT8 Reserved4[264]; + UINT64 Rcx; + UINT64 Rdx; + UINT64 Rbx; + UINT8 Reserved5[112]; + UINT64 SwExitCode; + UINT64 SwExitInfo1; + UINT64 SwExitInfo2; + UINT64 SwScratch; + UINT8 Reserved6[56]; + UINT64 XCr0; + UINT8 ValidBitmap[16]; + UINT64 X87StateGpa; + UINT8 Reserved7[1016]; +} __attribute__ ((__packed__)) GHCB_SAVE_AREA; + +typedef struct { + GHCB_SAVE_AREA SaveArea; + UINT8 SharedBuffer[2032]; + UINT8 Reserved1[10]; + UINT16 ProtocolVersion; + UINT32 GhcbUsage; +} __attribute__ ((__packed__)) __attribute__ ((aligned(SIZE_4KB))) GHCB; + +typedef union { + struct { + UINT32 Lower32Bits; + UINT32 Upper32Bits; + } Elements; + + UINT64 Uint64; +} GHCB_EXIT_INFO; + +typedef union { + struct { + UINT32 Vector:8; + UINT32 Type:3; + UINT32 ErrorCodeValid:1; + UINT32 Rsvd:19; + UINT32 Valid:1; + UINT32 ErrorCode; + } Elements; + + UINT64 Uint64; +} GHCB_EVENT_INJECTION; + +#define GHCB_EVENT_INJECTION_TYPE_INT 0 +#define GHCB_EVENT_INJECTION_TYPE_NMI 2 +#define GHCB_EVENT_INJECTION_TYPE_EXCEPTION 3 +#define GHCB_EVENT_INJECTION_TYPE_SOFT_INT 4 + +#endif -- 2.17.1