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From:   Alexander Usyskin <alexander.usyskin@intel.com>
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Jani Nikula <jani.nikula@linux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@intel.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc:     Tomas Winkler <tomas.winkler@intel.com>,
        Alexander Usyskin <alexander.usyskin@intel.com>,
        Vitaly Lubart <vitaly.lubart@intel.com>,
        intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org,
        Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Subject: [PATCH v2 10/14] mei: mkhi: add memory ready command
Date:   Mon, 25 Apr 2022 10:48:57 +0300
Message-Id: <20220425074901.3991274-11-alexander.usyskin@intel.com>
In-Reply-To: <20220425074901.3991274-1-alexander.usyskin@intel.com>
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From: Tomas Winkler <tomas.winkler@intel.com>

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>
---
 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..ea9fe487cb0f 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;
+	uint32_t flags;
+} __packed;
+
 #endif /* _MEI_MKHI_H_ */
-- 
2.32.0