[RFC PATCH 07/13] Intel(R) MEI Driver

[Oren Weil]

diff --git a/drivers/char/mei/interface.h b/drivers/char/mei/interface.h
new file mode 100644
index 0000000..01f3667
--- /dev/null
+++ b/drivers/char/mei/interface.h
@@ -0,0 +1,134 @@
+/*
+ *
+ * Intel(R) Management Engine Interface (Intel(R) MEI) Linux driver
+ * Copyright (c) 2003-2011, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+
+
+#ifndef _MEI_INTERFACE_H_
+#define _MEI_INTERFACE_H_
+
+#include <linux/mei.h>
+#include "hw.h"
+
+
+#define HBM_MINOR_VERSION                   0
+#define HBM_MAJOR_VERSION                   1
+#define HBM_TIMEOUT                         1	/* 1 second */
+
+
+#define HOST_START_REQ_CMD                  0x01
+#define HOST_START_RES_CMD                  0x81
+
+#define HOST_STOP_REQ_CMD                   0x02
+#define HOST_STOP_RES_CMD                   0x82
+
+#define ME_STOP_REQ_CMD                     0x03
+
+#define HOST_ENUM_REQ_CMD                   0x04
+#define HOST_ENUM_RES_CMD                   0x84
+
+#define HOST_CLIENT_PROPERTIES_REQ_CMD      0x05
+#define HOST_CLIENT_PROPERTIES_RES_CMD      0x85
+
+#define CLIENT_CONNECT_REQ_CMD              0x06
+#define CLIENT_CONNECT_RES_CMD              0x86
+
+#define CLIENT_DISCONNECT_REQ_CMD           0x07
+#define CLIENT_DISCONNECT_RES_CMD           0x87
+
+#define MEI_FLOW_CONTROL_CMD               0x08
+
+
+#define AMT_WD_VALUE 120	/* seconds */
+
+#define MEI_WATCHDOG_DATA_SIZE         16
+#define MEI_START_WD_DATA_SIZE         20
+#define MEI_WD_PARAMS_SIZE             4
+
+
+enum mei_stop_reason_types {
+	DRIVER_STOP_REQUEST = 0x00,
+	DEVICE_D1_ENTRY = 0x01,
+	DEVICE_D2_ENTRY = 0x02,
+	DEVICE_D3_ENTRY = 0x03,
+	SYSTEM_S1_ENTRY = 0x04,
+	SYSTEM_S2_ENTRY = 0x05,
+	SYSTEM_S3_ENTRY = 0x06,
+	SYSTEM_S4_ENTRY = 0x07,
+	SYSTEM_S5_ENTRY = 0x08
+};
+
+enum me_stop_reason_types {
+	FW_UPDATE = 0x00
+};
+
+enum client_connect_status_types {
+	CCS_SUCCESS = 0x00,
+	CCS_NOT_FOUND = 0x01,
+	CCS_ALREADY_STARTED = 0x02,
+	CCS_OUT_OF_RESOURCES = 0x03,
+	CCS_MESSAGE_SMALL = 0x04
+};
+
+enum client_disconnect_status_types {
+	CDS_SUCCESS = 0x00
+};
+
+
+/*
+ * mei interface function prototypes
+ */
+void mei_set_csr_register(struct iamt_mei_device *dev);
+void mei_csr_enable_interrupts(struct iamt_mei_device *dev);
+void mei_csr_disable_interrupts(struct iamt_mei_device *dev);
+void mei_csr_clear_his(struct iamt_mei_device *dev);
+
+void mei_read_slots(struct iamt_mei_device *dev,
+		     unsigned char *buffer, unsigned long buffer_length);
+
+int mei_write_message(struct iamt_mei_device *dev,
+			     struct mei_msg_hdr *header,
+			     unsigned char *write_buffer,
+			     unsigned long write_length);
+
+int host_buffer_is_empty(struct iamt_mei_device *dev);
+
+s32 count_full_read_slots(struct iamt_mei_device *dev);
+
+s32 count_empty_write_slots(struct iamt_mei_device *dev);
+
+int flow_ctrl_creds(struct iamt_mei_device *dev,
+				   struct mei_file_private *file_ext);
+
+int mei_send_wd(struct iamt_mei_device *dev);
+
+void flow_ctrl_reduce(struct iamt_mei_device *dev,
+			 struct mei_file_private *file_ext);
+
+int mei_send_flow_control(struct iamt_mei_device *dev,
+				 struct mei_file_private *file_ext);
+
+int mei_disconnect(struct iamt_mei_device *dev,
+			  struct mei_file_private *file_ext);
+int other_client_is_connecting(struct iamt_mei_device *dev,
+				     struct mei_file_private *file_ext);
+int mei_connect(struct iamt_mei_device *dev,
+		       struct mei_file_private *file_ext);
+
+#endif /* _MEI_INTERFACE_H_ */


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