--- /dev/null
+/*
+ *
+ * Intel Management Engine Interface (Intel MEI) Linux driver
+ * Copyright (c) 2003-2012, 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.
+ *
+ */
+
+#ifndef _MEI_HW_TYPES_H_
+#define _MEI_HW_TYPES_H_
+
+#include <linux/uuid.h>
+
+/*
+ * Timeouts in Seconds
+ */
+#define MEI_HW_READY_TIMEOUT 2 /* Timeout on ready message */
+#define MEI_CONNECT_TIMEOUT 3 /* HPS: at least 2 seconds */
+
+#define MEI_CL_CONNECT_TIMEOUT 15 /* HPS: Client Connect Timeout */
+#define MEI_CLIENTS_INIT_TIMEOUT 15 /* HPS: Clients Enumeration Timeout */
+
+#define MEI_IAMTHIF_STALL_TIMER 12 /* HPS */
+#define MEI_IAMTHIF_READ_TIMER 10 /* HPS */
+
+#define MEI_PGI_TIMEOUT 1 /* PG Isolation time response 1 sec */
+#define MEI_HBM_TIMEOUT 1 /* 1 second */
+
+/*
+ * MEI Version
+ */
+#define HBM_MINOR_VERSION 1
+#define HBM_MAJOR_VERSION 1
+
+/*
+ * MEI version with PGI support
+ */
+#define HBM_MINOR_VERSION_PGI 1
+#define HBM_MAJOR_VERSION_PGI 1
+
+/* Host bus message command opcode */
+#define MEI_HBM_CMD_OP_MSK 0x7f
+/* Host bus message command RESPONSE */
+#define MEI_HBM_CMD_RES_MSK 0x80
+
+/*
+ * MEI Bus Message Command IDs
+ */
+#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 MEI_PG_ISOLATION_ENTRY_REQ_CMD 0x0a
+#define MEI_PG_ISOLATION_ENTRY_RES_CMD 0x8a
+#define MEI_PG_ISOLATION_EXIT_REQ_CMD 0x0b
+#define MEI_PG_ISOLATION_EXIT_RES_CMD 0x8b
+
+/*
+ * MEI Stop Reason
+ * used by hbm_host_stop_request.reason
+ */
+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 mei_hbm_status - mei host bus messages return values
+ *
+ * @MEI_HBMS_SUCCESS : status success
+ * @MEI_HBMS_CLIENT_NOT_FOUND : client not found
+ * @MEI_HBMS_ALREADY_EXISTS : connection already established
+ * @MEI_HBMS_REJECTED : connection is rejected
+ * @MEI_HBMS_INVALID_PARAMETER : invalid parameter
+ * @MEI_HBMS_NOT_ALLOWED : operation not allowed
+ * @MEI_HBMS_ALREADY_STARTED : system is already started
+ * @MEI_HBMS_NOT_STARTED : system not started
+ *
+ * @MEI_HBMS_MAX : sentinel
+ */
+enum mei_hbm_status {
+ MEI_HBMS_SUCCESS = 0,
+ MEI_HBMS_CLIENT_NOT_FOUND = 1,
+ MEI_HBMS_ALREADY_EXISTS = 2,
+ MEI_HBMS_REJECTED = 3,
+ MEI_HBMS_INVALID_PARAMETER = 4,
+ MEI_HBMS_NOT_ALLOWED = 5,
+ MEI_HBMS_ALREADY_STARTED = 6,
+ MEI_HBMS_NOT_STARTED = 7,
+
+ MEI_HBMS_MAX
+};
+
+
+/*
+ * Client Connect Status
+ * used by hbm_client_connect_response.status
+ */
+enum mei_cl_connect_status {
+ MEI_CL_CONN_SUCCESS = MEI_HBMS_SUCCESS,
+ MEI_CL_CONN_NOT_FOUND = MEI_HBMS_CLIENT_NOT_FOUND,
+ MEI_CL_CONN_ALREADY_STARTED = MEI_HBMS_ALREADY_EXISTS,
+ MEI_CL_CONN_OUT_OF_RESOURCES = MEI_HBMS_REJECTED,
+ MEI_CL_CONN_MESSAGE_SMALL = MEI_HBMS_INVALID_PARAMETER,
+};
+
+/*
+ * Client Disconnect Status
+ */
+enum mei_cl_disconnect_status {
+ MEI_CL_DISCONN_SUCCESS = MEI_HBMS_SUCCESS
+};
+
+/*
+ * MEI BUS Interface Section
+ */
+struct mei_msg_hdr {
+ u32 me_addr:8;
+ u32 host_addr:8;
+ u32 length:9;
+ u32 reserved:5;
+ u32 internal:1;
+ u32 msg_complete:1;
+} __packed;
+
+
+struct mei_bus_message {
+ u8 hbm_cmd;
+ u8 data[0];
+} __packed;
+
+/**
+ * struct hbm_cl_cmd - client specific host bus command
+ * CONNECT, DISCONNECT, and FlOW CONTROL
+ *
+ * @hbm_cmd: bus message command header
+ * @me_addr: address of the client in ME
+ * @host_addr: address of the client in the driver
+ * @data: generic data
+ */
+struct mei_hbm_cl_cmd {
+ u8 hbm_cmd;
+ u8 me_addr;
+ u8 host_addr;
+ u8 data;
+};
+
+struct hbm_version {
+ u8 minor_version;
+ u8 major_version;
+} __packed;
+
+struct hbm_host_version_request {
+ u8 hbm_cmd;
+ u8 reserved;
+ struct hbm_version host_version;
+} __packed;
+
+struct hbm_host_version_response {
+ u8 hbm_cmd;
+ u8 host_version_supported;
+ struct hbm_version me_max_version;
+} __packed;
+
+struct hbm_host_stop_request {
+ u8 hbm_cmd;
+ u8 reason;
+ u8 reserved[2];
+} __packed;
+
+struct hbm_host_stop_response {
+ u8 hbm_cmd;
+ u8 reserved[3];
+} __packed;
+
+struct hbm_me_stop_request {
+ u8 hbm_cmd;
+ u8 reason;
+ u8 reserved[2];
+} __packed;
+
+struct hbm_host_enum_request {
+ u8 hbm_cmd;
+ u8 reserved[3];
+} __packed;
+
+struct hbm_host_enum_response {
+ u8 hbm_cmd;
+ u8 reserved[3];
+ u8 valid_addresses[32];
+} __packed;
+
+struct mei_client_properties {
+ uuid_le protocol_name;
+ u8 protocol_version;
+ u8 max_number_of_connections;
+ u8 fixed_address;
+ u8 single_recv_buf;
+ u32 max_msg_length;
+} __packed;
+
+struct hbm_props_request {
+ u8 hbm_cmd;
+ u8 me_addr;
+ u8 reserved[2];
+} __packed;
+
+struct hbm_props_response {
+ u8 hbm_cmd;
+ u8 me_addr;
+ u8 status;
+ u8 reserved[1];
+ struct mei_client_properties client_properties;
+} __packed;
+
+/**
+ * struct hbm_power_gate - power gate request/response
+ *
+ * @hbm_cmd: bus message command header
+ * @reserved: reserved
+ */
+struct hbm_power_gate {
+ u8 hbm_cmd;
+ u8 reserved[3];
+} __packed;
+
+/**
+ * struct hbm_client_connect_request - connect/disconnect request
+ *
+ * @hbm_cmd: bus message command header
+ * @me_addr: address of the client in ME
+ * @host_addr: address of the client in the driver
+ * @reserved: reserved
+ */
+struct hbm_client_connect_request {
+ u8 hbm_cmd;
+ u8 me_addr;
+ u8 host_addr;
+ u8 reserved;
+} __packed;
+
+/**
+ * struct hbm_client_connect_response - connect/disconnect response
+ *
+ * @hbm_cmd: bus message command header
+ * @me_addr: address of the client in ME
+ * @host_addr: address of the client in the driver
+ * @status: status of the request
+ */
+struct hbm_client_connect_response {
+ u8 hbm_cmd;
+ u8 me_addr;
+ u8 host_addr;
+ u8 status;
+} __packed;
+
+
+#define MEI_FC_MESSAGE_RESERVED_LENGTH 5
+
+struct hbm_flow_control {
+ u8 hbm_cmd;
+ u8 me_addr;
+ u8 host_addr;
+ u8 reserved[MEI_FC_MESSAGE_RESERVED_LENGTH];
+} __packed;
+
+
+#endif
Code Review / kvmfornfv.git / blobdiff