Commit fa313ede authored by Tomas Winkler's avatar Tomas Winkler Committed by Joonas Lahtinen
Browse files

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: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarAlexander Usyskin <alexander.usyskin@intel.com>
Reviewed-by: default avatarDaniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: default avatarDaniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220907215113.1596567-11-tomas.winkler@intel.com


Acked-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarJoonas Lahtinen <joonas.lahtinen@linux.intel.com>
parent 7d88a258

drivers/misc/mei/mkhi.h

+12 −0
Original line number Diff line number Diff line
@@ -16,6 +16,13 @@ 
#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;
@@ -40,4 +47,9 @@ struct mkhi_msg { 
	u8 data[];

} __packed;



struct mkhi_gfx_mem_ready {

	struct mkhi_msg_hdr hdr;

	u32    flags;

} __packed;



#endif /* _MEI_MKHI_H_ */