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kernel_optimize_test/drivers/misc/mei/hw.h
Tomas Winkler 1e55b609b9 mei: adjust the copyright notice in the files. 
Use unified version of the copyright notice in the files
Update copyright years according the year the files
were touched, except this patch and SPDX conversions.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-03-28 02:07:54 +09:00

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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2003-2018, Intel Corporation. All rights reserved
* Intel Management Engine Interface (Intel MEI) Linux driver
*/
#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_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 1
#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
/*
* MEI version with dma ring support
*/
#define HBM_MINOR_VERSION_DR 1
#define HBM_MAJOR_VERSION_DR 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
#define MEI_HBM_DMA_SETUP_REQ_CMD 0x12
#define MEI_HBM_DMA_SETUP_RES_CMD 0x92
/*
* 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
};
/**
* struct mei_msg_hdr - MEI BUS Interface Section
*
* @me_addr: device address
* @host_addr: host address
* @length: message length
* @reserved: reserved
* @dma_ring: message is on dma ring
* @internal: message is internal
* @msg_complete: last packet of the message
* @extension: extension of the header
*/
struct mei_msg_hdr {
u32 me_addr:8;
u32 host_addr:8;
u32 length:9;
u32 reserved:4;
u32 dma_ring:1;
u32 internal:1;
u32 msg_complete:1;
u32 extension[0];
} __packed;
#define MEI_MSG_HDR_MAX 2
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:1;
u8 reserved:7;
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;
/**
* struct hbm_dma_mem_dscr - dma ring
*
* @addr_hi: the high 32bits of 64 bit address
* @addr_lo: the low 32bits of 64 bit address
* @size : size in bytes (must be power of 2)
*/
struct hbm_dma_mem_dscr {
u32 addr_hi;
u32 addr_lo;
u32 size;
} __packed;
enum {
DMA_DSCR_HOST = 0,
DMA_DSCR_DEVICE = 1,
DMA_DSCR_CTRL = 2,
DMA_DSCR_NUM,
};
/**
* struct hbm_dma_setup_request - dma setup request
*
* @hbm_cmd: bus message command header
* @reserved: reserved for alignment
* @dma_dscr: dma descriptor for HOST, DEVICE, and CTRL
*/
struct hbm_dma_setup_request {
u8 hbm_cmd;
u8 reserved[3];
struct hbm_dma_mem_dscr dma_dscr[DMA_DSCR_NUM];
} __packed;
/**
* struct hbm_dma_setup_response - dma setup response
*
* @hbm_cmd: bus message command header
* @status: 0 on success; otherwise DMA setup failed.
* @reserved: reserved for alignment
*/
struct hbm_dma_setup_response {
u8 hbm_cmd;
u8 status;
u8 reserved[2];
} __packed;
/**
* struct mei_dma_ring_ctrl - dma ring control block
*
* @hbuf_wr_idx: host circular buffer write index in slots
* @reserved1: reserved for alignment
* @hbuf_rd_idx: host circular buffer read index in slots
* @reserved2: reserved for alignment
* @dbuf_wr_idx: device circular buffer write index in slots
* @reserved3: reserved for alignment
* @dbuf_rd_idx: device circular buffer read index in slots
* @reserved4: reserved for alignment
*/
struct hbm_dma_ring_ctrl {
u32 hbuf_wr_idx;
u32 reserved1;
u32 hbuf_rd_idx;
u32 reserved2;
u32 dbuf_wr_idx;
u32 reserved3;
u32 dbuf_rd_idx;
u32 reserved4;
} __packed;
#endif
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