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linux_dsm_epyc7002/drivers/misc/mei/hw.h
Tomas Winkler b6a38565e6 mei: hw: fix a spelling mistake 
notifcation -> notification

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-05-25 18:24:03 +02:00

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/*
*
* 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_PGI_TIMEOUT 1 /* PG Isolation time response 1 sec */
#define MEI_D0I3_TIMEOUT 5 /* D0i3 set/unset max response time */
#define MEI_HBM_TIMEOUT 1 /* 1 second */
/*
* MEI Version
*/
#define HBM_MINOR_VERSION 0
#define HBM_MAJOR_VERSION 2
/*
* MEI version with PGI support
*/
#define HBM_MINOR_VERSION_PGI 1
#define HBM_MAJOR_VERSION_PGI 1
/*
* MEI version with Dynamic clients support
*/
#define HBM_MINOR_VERSION_DC 0
#define HBM_MAJOR_VERSION_DC 2
/*
* MEI version with immediate reply to enum request support
*/
#define HBM_MINOR_VERSION_IE 0
#define HBM_MAJOR_VERSION_IE 2
/*
* MEI version with disconnect on connection timeout support
*/
#define HBM_MINOR_VERSION_DOT 0
#define HBM_MAJOR_VERSION_DOT 2
/*
* MEI version with notification support
*/
#define HBM_MINOR_VERSION_EV 0
#define HBM_MAJOR_VERSION_EV 2
/*
* MEI version with fixed address client support
*/
#define HBM_MINOR_VERSION_FA 0
#define HBM_MAJOR_VERSION_FA 2
/*
* MEI version with OS ver message support
*/
#define HBM_MINOR_VERSION_OS 0
#define HBM_MAJOR_VERSION_OS 2
/* 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
#define MEI_HBM_ADD_CLIENT_REQ_CMD 0x0f
#define MEI_HBM_ADD_CLIENT_RES_CMD 0x8f
#define MEI_HBM_NOTIFY_REQ_CMD 0x10
#define MEI_HBM_NOTIFY_RES_CMD 0x90
#define MEI_HBM_NOTIFICATION_CMD 0x11
/*
* 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,
MEI_CL_CONN_NOT_ALLOWED = MEI_HBMS_NOT_ALLOWED,
};
/*
* 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;
/**
* enum hbm_host_enum_flags - enumeration request flags (HBM version >= 2.0)
*
* @MEI_HBM_ENUM_F_ALLOW_ADD: allow dynamic clients add
* @MEI_HBM_ENUM_F_IMMEDIATE_ENUM: allow FW to send answer immediately
*/
enum hbm_host_enum_flags {
MEI_HBM_ENUM_F_ALLOW_ADD = BIT(0),
MEI_HBM_ENUM_F_IMMEDIATE_ENUM = BIT(1),
};
/**
* struct hbm_host_enum_request - enumeration request from host to fw
*
* @hbm_cmd : bus message command header
* @flags : request flags
* @reserved: reserved
*/
struct hbm_host_enum_request {
u8 hbm_cmd;
u8 flags;
u8 reserved[2];
} __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_add_client_request - request to add a client
* might be sent by fw after enumeration has already completed
*
* @hbm_cmd: bus message command header
* @me_addr: address of the client in ME
* @reserved: reserved
* @client_properties: client properties
*/
struct hbm_add_client_request {
u8 hbm_cmd;
u8 me_addr;
u8 reserved[2];
struct mei_client_properties client_properties;
} __packed;
/**
* struct hbm_add_client_response - response to add a client
* sent by the host to report client addition status to fw
*
* @hbm_cmd: bus message command header
* @me_addr: address of the client in ME
* @status: if HBMS_SUCCESS then the client can now accept connections.
* @reserved: reserved
*/
struct hbm_add_client_response {
u8 hbm_cmd;
u8 me_addr;
u8 status;
u8 reserved[1];
} __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;
#define MEI_HBM_NOTIFICATION_START 1
#define MEI_HBM_NOTIFICATION_STOP 0
/**
* struct hbm_notification_request - start/stop notification request
*
* @hbm_cmd: bus message command header
* @me_addr: address of the client in ME
* @host_addr: address of the client in the driver
* @start: start = 1 or stop = 0 asynchronous notifications
*/
struct hbm_notification_request {
u8 hbm_cmd;
u8 me_addr;
u8 host_addr;
u8 start;
} __packed;
/**
* struct hbm_notification_response - start/stop notification 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: (mei_hbm_status) response status for the request
* - MEI_HBMS_SUCCESS: successful stop/start
* - MEI_HBMS_CLIENT_NOT_FOUND: if the connection could not be found.
* - MEI_HBMS_ALREADY_STARTED: for start requests for a previously
* started notification.
* - MEI_HBMS_NOT_STARTED: for stop request for a connected client for whom
* asynchronous notifications are currently disabled.
*
* @start: start = 1 or stop = 0 asynchronous notifications
* @reserved: reserved
*/
struct hbm_notification_response {
u8 hbm_cmd;
u8 me_addr;
u8 host_addr;
u8 status;
u8 start;
u8 reserved[3];
} __packed;
/**
* struct hbm_notification - notification event
*
* @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 for alignment
*/
struct hbm_notification {
u8 hbm_cmd;
u8 me_addr;
u8 host_addr;
u8 reserved[1];
} __packed;
#endif
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