linux/drivers/misc/mei/mkhi.h
Tomas Winkler fa313ede70 mei: mkhi: add memory ready command
Add GSC memory ready command.
The command indicates to the firmware that extend operation
memory was setup and the firmware may enter PXP mode.

CC: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220907215113.1596567-11-tomas.winkler@intel.com
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2022-09-12 15:23:11 +03:00

56 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2003-2022, Intel Corporation. All rights reserved.
* Intel Management Engine Interface (Intel MEI) Linux driver
*/
#ifndef _MEI_MKHI_H_
#define _MEI_MKHI_H_
#include <linux/types.h>
#define MKHI_FEATURE_PTT 0x10
#define MKHI_FWCAPS_GROUP_ID 0x3
#define MKHI_FWCAPS_SET_OS_VER_APP_RULE_CMD 6
#define MKHI_GEN_GROUP_ID 0xFF
#define MKHI_GEN_GET_FW_VERSION_CMD 0x2
#define MKHI_GROUP_ID_GFX 0x30
#define MKHI_GFX_RESET_WARN_CMD_REQ 0x0
#define MKHI_GFX_MEMORY_READY_CMD_REQ 0x1
/* Allow transition to PXP mode without approval */
#define MKHI_GFX_MEM_READY_PXP_ALLOWED 0x1
struct mkhi_rule_id {
__le16 rule_type;
u8 feature_id;
u8 reserved;
} __packed;
struct mkhi_fwcaps {
struct mkhi_rule_id id;
u8 len;
u8 data[];
} __packed;
struct mkhi_msg_hdr {
u8 group_id;
u8 command;
u8 reserved;
u8 result;
} __packed;
struct mkhi_msg {
struct mkhi_msg_hdr hdr;
u8 data[];
} __packed;
struct mkhi_gfx_mem_ready {
struct mkhi_msg_hdr hdr;
u32 flags;
} __packed;
#endif /* _MEI_MKHI_H_ */