[Intel-gfx] [PATCH v9 10/16] mei: mkhi: add memory ready command

Tomas Winkler tomas.winkler at intel.com
Wed Sep 7 21:51:07 UTC 2022


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 at intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler at intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin at intel.com>
---
V9: Fix duplicated defines caused by wrong --amend

 drivers/misc/mei/mkhi.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/misc/mei/mkhi.h b/drivers/misc/mei/mkhi.h
index c3fa3c5d5cb6..1473ea489666 100644
--- a/drivers/misc/mei/mkhi.h
+++ b/drivers/misc/mei/mkhi.h
@@ -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_ */
-- 
2.37.2



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