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-rw-r--r--drivers/misc/mei/mkhi.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/misc/mei/mkhi.h b/drivers/misc/mei/mkhi.h
new file mode 100644
index 000000000..1473ea489
--- /dev/null
+++ b/drivers/misc/mei/mkhi.h
@@ -0,0 +1,55 @@
+/* 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_ */