60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2023 Intel Corporation
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*/
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#ifndef _ABI_GSC_PXP_COMMANDS_ABI_H
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#define _ABI_GSC_PXP_COMMANDS_ABI_H
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#include <linux/types.h>
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/* Heci client ID for PXP commands */
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#define HECI_MEADDRESS_PXP 17
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#define PXP_APIVER(x, y) (((x) & 0xFFFF) << 16 | ((y) & 0xFFFF))
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/*
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* there are a lot of status codes for PXP, but we only define the cross-API
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* common ones that we actually can handle in the kernel driver. Other failure
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* codes should be printed to error msg for debug.
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*/
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enum pxp_status {
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PXP_STATUS_SUCCESS = 0x0,
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PXP_STATUS_ERROR_API_VERSION = 0x1002,
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PXP_STATUS_NOT_READY = 0x100e,
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PXP_STATUS_PLATFCONFIG_KF1_NOVERIF = 0x101a,
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PXP_STATUS_PLATFCONFIG_KF1_BAD = 0x101f,
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PXP_STATUS_OP_NOT_PERMITTED = 0x4013
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};
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/* Common PXP FW message header */
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struct pxp_cmd_header {
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u32 api_version;
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u32 command_id;
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union {
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u32 status; /* out */
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u32 stream_id; /* in */
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#define PXP_CMDHDR_EXTDATA_SESSION_VALID GENMASK(0, 0)
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#define PXP_CMDHDR_EXTDATA_APP_TYPE GENMASK(1, 1)
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#define PXP_CMDHDR_EXTDATA_SESSION_ID GENMASK(17, 2)
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};
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/* Length of the message (excluding the header) */
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u32 buffer_len;
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} __packed;
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#define PXP43_CMDID_NEW_HUC_AUTH 0x0000003F /* MTL+ */
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/* PXP-Input-Packet: HUC Auth-only */
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struct pxp43_new_huc_auth_in {
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struct pxp_cmd_header header;
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u64 huc_base_address;
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u32 huc_size;
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} __packed;
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/* PXP-Output-Packet: HUC Load and Authentication or Auth-only */
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struct pxp43_huc_auth_out {
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struct pxp_cmd_header header;
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} __packed;
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#endif
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