drivers/misc/mei/mkhi.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (c) 2003-2022, Intel Corporation. All rights reserved.
   4  * Intel Management Engine Interface (Intel MEI) Linux driver
   5  */
   6
   7 #ifndef _MEI_MKHI_H_
   8 #define _MEI_MKHI_H_
   9
  10 #include <linux/types.h>
  11
  12 #define MKHI_FEATURE_PTT 0x10
  13
  14 #define MKHI_FWCAPS_GROUP_ID 0x3
  15 #define MKHI_FWCAPS_SET_OS_VER_APP_RULE_CMD 6
  16 #define MKHI_GEN_GROUP_ID 0xFF
  17 #define MKHI_GEN_GET_FW_VERSION_CMD 0x2
  18
  19 #define MKHI_GROUP_ID_GFX              0x30
  20 #define MKHI_GFX_RESET_WARN_CMD_REQ    0x0
  21 #define MKHI_GFX_MEMORY_READY_CMD_REQ  0x1
  22
  23 /* Allow transition to PXP mode without approval */
  24 #define MKHI_GFX_MEM_READY_PXP_ALLOWED  0x1
  25
  26 struct mkhi_rule_id {
  27         __le16 rule_type;
  28         u8 feature_id;
  29         u8 reserved;
  30 } __packed;
  31
  32 struct mkhi_fwcaps {
  33         struct mkhi_rule_id id;
  34         u8 len;
  35         u8 data[];
  36 } __packed;
  37
  38 struct mkhi_msg_hdr {
  39         u8  group_id;
  40         u8  command;
  41         u8  reserved;
  42         u8  result;
  43 } __packed;
  44
  45 struct mkhi_msg {
  46         struct mkhi_msg_hdr hdr;
  47         u8 data[];
  48 } __packed;
  49
  50 struct mkhi_gfx_mem_ready {
  51         struct mkhi_msg_hdr hdr;
  52         u32    flags;
  53 } __packed;
  54
  55 #endif /* _MEI_MKHI_H_ */