tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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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: Alexey Kardashevskiy <aik@amd.com>
Link: https://patch.msgid.link/20251202024449.542361-3-aik@amd.com
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

authored by

Alexey Kardashevskiy and committed by
Dan Williams c3859de8 8a5dd102

+41 -25
+41 -25
include/uapi/linux/psp-sev.h
··· 47 47 * with possible values from the specification. 48 48 */ 49 49 SEV_RET_NO_FW_CALL = -1, 50 - SEV_RET_SUCCESS = 0, 51 - SEV_RET_INVALID_PLATFORM_STATE, 52 - SEV_RET_INVALID_GUEST_STATE, 53 - SEV_RET_INAVLID_CONFIG, 50 + SEV_RET_SUCCESS = 0, 51 + SEV_RET_INVALID_PLATFORM_STATE = 0x0001, 52 + SEV_RET_INVALID_GUEST_STATE = 0x0002, 53 + SEV_RET_INAVLID_CONFIG = 0x0003, 54 54 SEV_RET_INVALID_CONFIG = SEV_RET_INAVLID_CONFIG, 55 - SEV_RET_INVALID_LEN, 56 - SEV_RET_ALREADY_OWNED, 57 - SEV_RET_INVALID_CERTIFICATE, 58 - SEV_RET_POLICY_FAILURE, 59 - SEV_RET_INACTIVE, 60 - SEV_RET_INVALID_ADDRESS, 61 - SEV_RET_BAD_SIGNATURE, 62 - SEV_RET_BAD_MEASUREMENT, 63 - SEV_RET_ASID_OWNED, 64 - SEV_RET_INVALID_ASID, 65 - SEV_RET_WBINVD_REQUIRED, 66 - SEV_RET_DFFLUSH_REQUIRED, 67 - SEV_RET_INVALID_GUEST, 68 - SEV_RET_INVALID_COMMAND, 69 - SEV_RET_ACTIVE, 70 - SEV_RET_HWSEV_RET_PLATFORM, 71 - SEV_RET_HWSEV_RET_UNSAFE, 72 - SEV_RET_UNSUPPORTED, 73 - SEV_RET_INVALID_PARAM, 74 - SEV_RET_RESOURCE_LIMIT, 75 - SEV_RET_SECURE_DATA_INVALID, 55 + SEV_RET_INVALID_LEN = 0x0004, 56 + SEV_RET_ALREADY_OWNED = 0x0005, 57 + SEV_RET_INVALID_CERTIFICATE = 0x0006, 58 + SEV_RET_POLICY_FAILURE = 0x0007, 59 + SEV_RET_INACTIVE = 0x0008, 60 + SEV_RET_INVALID_ADDRESS = 0x0009, 61 + SEV_RET_BAD_SIGNATURE = 0x000A, 62 + SEV_RET_BAD_MEASUREMENT = 0x000B, 63 + SEV_RET_ASID_OWNED = 0x000C, 64 + SEV_RET_INVALID_ASID = 0x000D, 65 + SEV_RET_WBINVD_REQUIRED = 0x000E, 66 + SEV_RET_DFFLUSH_REQUIRED = 0x000F, 67 + SEV_RET_INVALID_GUEST = 0x0010, 68 + SEV_RET_INVALID_COMMAND = 0x0011, 69 + SEV_RET_ACTIVE = 0x0012, 70 + SEV_RET_HWSEV_RET_PLATFORM = 0x0013, 71 + SEV_RET_HWSEV_RET_UNSAFE = 0x0014, 72 + SEV_RET_UNSUPPORTED = 0x0015, 73 + SEV_RET_INVALID_PARAM = 0x0016, 74 + SEV_RET_RESOURCE_LIMIT = 0x0017, 75 + SEV_RET_SECURE_DATA_INVALID = 0x0018, 76 76 SEV_RET_INVALID_PAGE_SIZE = 0x0019, 77 77 SEV_RET_INVALID_PAGE_STATE = 0x001A, 78 78 SEV_RET_INVALID_MDATA_ENTRY = 0x001B, ··· 87 87 SEV_RET_RESTORE_REQUIRED = 0x0025, 88 88 SEV_RET_RMP_INITIALIZATION_FAILED = 0x0026, 89 89 SEV_RET_INVALID_KEY = 0x0027, 90 + SEV_RET_SHUTDOWN_INCOMPLETE = 0x0028, 91 + SEV_RET_INCORRECT_BUFFER_LENGTH = 0x0030, 92 + SEV_RET_EXPAND_BUFFER_LENGTH_REQUEST = 0x0031, 93 + SEV_RET_SPDM_REQUEST = 0x0032, 94 + SEV_RET_SPDM_ERROR = 0x0033, 95 + SEV_RET_SEV_STATUS_ERR_IN_DEV_CONN = 0x0035, 96 + SEV_RET_SEV_STATUS_INVALID_DEV_CTX = 0x0036, 97 + SEV_RET_SEV_STATUS_INVALID_TDI_CTX = 0x0037, 98 + SEV_RET_SEV_STATUS_INVALID_TDI = 0x0038, 99 + SEV_RET_SEV_STATUS_RECLAIM_REQUIRED = 0x0039, 100 + SEV_RET_IN_USE = 0x003A, 101 + SEV_RET_SEV_STATUS_INVALID_DEV_STATE = 0x003B, 102 + SEV_RET_SEV_STATUS_INVALID_TDI_STATE = 0x003C, 103 + SEV_RET_SEV_STATUS_DEV_CERT_CHANGED = 0x003D, 104 + SEV_RET_SEV_STATUS_RESYNC_REQ = 0x003E, 105 + SEV_RET_SEV_STATUS_RESPONSE_TOO_LARGE = 0x003F, 90 106 SEV_RET_MAX, 91 107 } sev_ret_code; 92 108