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Subject[PATCH v7 10/15] mei: mkhi: add memory ready command
Date
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>
---
drivers/misc/mei/mkhi.h | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/mei/mkhi.h b/drivers/misc/mei/mkhi.h
index 27a9b476904e..056b76e73d40 100644
--- a/drivers/misc/mei/mkhi.h
+++ b/drivers/misc/mei/mkhi.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
- * Copyright (c) 2003-2020, Intel Corporation. All rights reserved.
+ * Copyright (c) 2003-2021, Intel Corporation. All rights reserved.
* Intel Management Engine Interface (Intel MEI) Linux driver
*/

@@ -18,6 +18,13 @@

#define MCHI_GROUP_ID 0xA

+#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;
@@ -42,4 +49,9 @@ struct mkhi_msg {
u8 data[];
} __packed;

+struct mkhi_gfx_mem_ready {
+ struct mkhi_msg_hdr hdr;
+ u32 flags;
+} __packed;
+
#endif /* _MEI_MKHI_H_ */
--
2.37.1
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