Commit c3859de8 authored by Alexey Kardashevskiy's avatar Alexey Kardashevskiy Committed by Dan Williams
Browse files

psp-sev: Assign numbers to all status codes and add new 



Make the definitions explicit. Add some more new codes.

The following patches will be using SPDM_REQUEST and
EXPAND_BUFFER_LENGTH_REQUEST, others are useful for the PSP FW
diagnostics.

Signed-off-by: default avatarAlexey Kardashevskiy <aik@amd.com>
Link: https://patch.msgid.link/20251202024449.542361-3-aik@amd.com


Acked-by: default avatarTom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 8a5dd102

include/uapi/linux/psp-sev.h

+41 −25
Original line number Diff line number Diff line
@@ -48,31 +48,31 @@ typedef enum { 
	 */

	SEV_RET_NO_FW_CALL = -1,

	SEV_RET_SUCCESS                    = 0,

	SEV_RET_INVALID_PLATFORM_STATE,

	SEV_RET_INVALID_GUEST_STATE,

	SEV_RET_INAVLID_CONFIG,

	SEV_RET_INVALID_PLATFORM_STATE     = 0x0001,

	SEV_RET_INVALID_GUEST_STATE        = 0x0002,

	SEV_RET_INAVLID_CONFIG             = 0x0003,

	SEV_RET_INVALID_CONFIG = SEV_RET_INAVLID_CONFIG,

	SEV_RET_INVALID_LEN,

	SEV_RET_ALREADY_OWNED,

	SEV_RET_INVALID_CERTIFICATE,

	SEV_RET_POLICY_FAILURE,

	SEV_RET_INACTIVE,

	SEV_RET_INVALID_ADDRESS,

	SEV_RET_BAD_SIGNATURE,

	SEV_RET_BAD_MEASUREMENT,

	SEV_RET_ASID_OWNED,

	SEV_RET_INVALID_ASID,

	SEV_RET_WBINVD_REQUIRED,

	SEV_RET_DFFLUSH_REQUIRED,

	SEV_RET_INVALID_GUEST,

	SEV_RET_INVALID_COMMAND,

	SEV_RET_ACTIVE,

	SEV_RET_HWSEV_RET_PLATFORM,

	SEV_RET_HWSEV_RET_UNSAFE,

	SEV_RET_UNSUPPORTED,

	SEV_RET_INVALID_PARAM,

	SEV_RET_RESOURCE_LIMIT,

	SEV_RET_SECURE_DATA_INVALID,

	SEV_RET_INVALID_LEN                = 0x0004,

	SEV_RET_ALREADY_OWNED              = 0x0005,

	SEV_RET_INVALID_CERTIFICATE        = 0x0006,

	SEV_RET_POLICY_FAILURE             = 0x0007,

	SEV_RET_INACTIVE                   = 0x0008,

	SEV_RET_INVALID_ADDRESS            = 0x0009,

	SEV_RET_BAD_SIGNATURE              = 0x000A,

	SEV_RET_BAD_MEASUREMENT            = 0x000B,

	SEV_RET_ASID_OWNED                 = 0x000C,

	SEV_RET_INVALID_ASID               = 0x000D,

	SEV_RET_WBINVD_REQUIRED            = 0x000E,

	SEV_RET_DFFLUSH_REQUIRED           = 0x000F,

	SEV_RET_INVALID_GUEST              = 0x0010,

	SEV_RET_INVALID_COMMAND            = 0x0011,

	SEV_RET_ACTIVE                     = 0x0012,

	SEV_RET_HWSEV_RET_PLATFORM         = 0x0013,

	SEV_RET_HWSEV_RET_UNSAFE           = 0x0014,

	SEV_RET_UNSUPPORTED                = 0x0015,

	SEV_RET_INVALID_PARAM              = 0x0016,

	SEV_RET_RESOURCE_LIMIT             = 0x0017,

	SEV_RET_SECURE_DATA_INVALID        = 0x0018,

	SEV_RET_INVALID_PAGE_SIZE          = 0x0019,

	SEV_RET_INVALID_PAGE_STATE         = 0x001A,

	SEV_RET_INVALID_MDATA_ENTRY        = 0x001B,
@@ -87,6 +87,22 @@ typedef enum { 
	SEV_RET_RESTORE_REQUIRED           = 0x0025,

	SEV_RET_RMP_INITIALIZATION_FAILED  = 0x0026,

	SEV_RET_INVALID_KEY                = 0x0027,

	SEV_RET_SHUTDOWN_INCOMPLETE        = 0x0028,

	SEV_RET_INCORRECT_BUFFER_LENGTH	   = 0x0030,

	SEV_RET_EXPAND_BUFFER_LENGTH_REQUEST = 0x0031,

	SEV_RET_SPDM_REQUEST               = 0x0032,

	SEV_RET_SPDM_ERROR                 = 0x0033,

	SEV_RET_SEV_STATUS_ERR_IN_DEV_CONN = 0x0035,

	SEV_RET_SEV_STATUS_INVALID_DEV_CTX = 0x0036,

	SEV_RET_SEV_STATUS_INVALID_TDI_CTX = 0x0037,

	SEV_RET_SEV_STATUS_INVALID_TDI     = 0x0038,

	SEV_RET_SEV_STATUS_RECLAIM_REQUIRED = 0x0039,

	SEV_RET_IN_USE                     = 0x003A,

	SEV_RET_SEV_STATUS_INVALID_DEV_STATE = 0x003B,

	SEV_RET_SEV_STATUS_INVALID_TDI_STATE = 0x003C,

	SEV_RET_SEV_STATUS_DEV_CERT_CHANGED = 0x003D,

	SEV_RET_SEV_STATUS_RESYNC_REQ      = 0x003E,

	SEV_RET_SEV_STATUS_RESPONSE_TOO_LARGE = 0x003F,

	SEV_RET_MAX,

} sev_ret_code;