1 | /* SPDX-License-Identifier: MIT */ |
2 | /* |
3 | * Copyright(c) 2022, Intel Corporation. All rights reserved. |
4 | */ |
5 | |
6 | #ifndef __INTEL_PXP_FW_INTERFACE_CMN_H__ |
7 | #define __INTEL_PXP_FW_INTERFACE_CMN_H__ |
8 | |
9 | #include <linux/types.h> |
10 | |
11 | #define PXP_APIVER(x, y) (((x) & 0xFFFF) << 16 | ((y) & 0xFFFF)) |
12 | |
13 | /* |
14 | * there are a lot of status codes for PXP, but we only define the cross-API |
15 | * common ones that we actually can handle in the kernel driver. Other failure |
16 | * codes should be printed to error msg for debug. |
17 | */ |
18 | enum pxp_status { |
19 | PXP_STATUS_SUCCESS = 0x0, |
20 | PXP_STATUS_ERROR_API_VERSION = 0x1002, |
21 | PXP_STATUS_NOT_READY = 0x100e, |
22 | PXP_STATUS_PLATFCONFIG_KF1_NOVERIF = 0x101a, |
23 | PXP_STATUS_PLATFCONFIG_KF1_BAD = 0x101f, |
24 | PXP_STATUS_OP_NOT_PERMITTED = 0x4013 |
25 | }; |
26 | |
27 | /* Common PXP FW message header */ |
28 | struct { |
29 | u32 ; |
30 | u32 command_id; |
31 | union { |
32 | u32 ; /* out */ |
33 | u32 ; /* in */ |
34 | #define PXP_CMDHDR_EXTDATA_SESSION_VALID GENMASK(0, 0) |
35 | #define PXP_CMDHDR_EXTDATA_APP_TYPE GENMASK(1, 1) |
36 | #define PXP_CMDHDR_EXTDATA_SESSION_ID GENMASK(17, 2) |
37 | }; |
38 | /* Length of the message (excluding the header) */ |
39 | u32 ; |
40 | } __packed; |
41 | |
42 | #endif /* __INTEL_PXP_FW_INTERFACE_CMN_H__ */ |
43 | |