dm: mei: add mei hbm protocol definitions header.
HBM is a control channel protocol between mei device driver and mei fw. Add new ioctl IOCTL_MEI_CONNECT_CLIENT_VTAG Tracked-On: #1536 Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Acked-by: Wang, Yu1 <yu1.wang@intel.com>
This commit is contained in:
Tomas Winkler
wenlingz
parent
0cc50b1d43
commit
d141aebdcd
|
|
@ -0,0 +1,495 @@
|
|||
/*
|
||||
* Copyright (C) 2018 Intel Corporation. All rights reserved.
|
||||
*
|
||||
* SPDX-License-Identifier: BSD-3-Clause
|
||||
*
|
||||
*/
|
||||
#ifndef _MEI_HBM_H_
|
||||
#define _MEI_HBM_H_
|
||||
#include <linux/uuid.h>
|
||||
#include <linux/mei.h>
|
||||
|
||||
#ifndef guid_t
|
||||
#define guid_t uuid_le
|
||||
#endif
|
||||
|
||||
/*
|
||||
* 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 MEI_HBM_MINOR_VERSION 0
|
||||
#define MEI_HBM_MAJOR_VERSION 2
|
||||
|
||||
/*
|
||||
* MEI version with PGI support
|
||||
*/
|
||||
#define MEI_HBM_MINOR_VERSION_PGI 1
|
||||
#define MEI_HBM_MAJOR_VERSION_PGI 1
|
||||
|
||||
/*
|
||||
* MEI version with Dynamic clients support
|
||||
*/
|
||||
#define MEI_HBM_MINOR_VERSION_DC 0
|
||||
#define MEI_HBM_MAJOR_VERSION_DC 2
|
||||
|
||||
/*
|
||||
* MEI version with immediate reply to enum request support
|
||||
*/
|
||||
#define MEI_HBM_MINOR_VERSION_IE 0
|
||||
#define MEI_HBM_MAJOR_VERSION_IE 2
|
||||
|
||||
/*
|
||||
* MEI version with disconnect on connection timeout support
|
||||
*/
|
||||
#define MEI_HBM_MINOR_VERSION_DOT 0
|
||||
#define MEI_HBM_MAJOR_VERSION_DOT 2
|
||||
|
||||
/*
|
||||
* MEI version with notification support
|
||||
*/
|
||||
#define MEI_HBM_MINOR_VERSION_EV 0
|
||||
#define MEI_HBM_MAJOR_VERSION_EV 2
|
||||
|
||||
/*
|
||||
* MEI version with fixed address client support
|
||||
*/
|
||||
#define MEI_HBM_MINOR_VERSION_FA 0
|
||||
#define MEI_HBM_MAJOR_VERSION_FA 2
|
||||
|
||||
/*
|
||||
* MEI version with OS ver message support
|
||||
*/
|
||||
#define MEI_HBM_MINOR_VERSION_OS 0
|
||||
#define MEI_HBM_MAJOR_VERSION_OS 2
|
||||
|
||||
/*
|
||||
* MEI version with dma ring support
|
||||
*/
|
||||
#define MEI_HBM_MINOR_VERSION_DR 1
|
||||
#define HMEI_BM_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
|
||||
|
||||
#define MEI_HBM_HOST_START 0x01
|
||||
#define MEI_HBM_HOST_START_RES 0x81
|
||||
|
||||
#define MEI_HBM_HOST_STOP 0x02
|
||||
#define MEI_HBM_HOST_STO_RES 0x82
|
||||
|
||||
#define MEI_HBM_ME_STOP 0x03
|
||||
|
||||
#define MEI_HBM_HOST_ENUM 0x04
|
||||
#define MEI_HBM_HOST_ENUM_RES 0x84
|
||||
|
||||
#define MEI_HBM_HOST_CLIENT_PROP 0x05
|
||||
#define MEI_HBM_HOST_CLIENT_PROP_RES 0x85
|
||||
|
||||
#define MEI_HBM_CLIENT_CONNECT 0x06
|
||||
#define MEI_HBM_CLIENT_CONNECT_RES 0x86
|
||||
|
||||
#define MEI_HBM_CLIENT_DISCONNECT 0x07
|
||||
#define MEI_HBM_CLIENT_DISCONNECT_RES 0x87
|
||||
|
||||
#define MEI_HBM_FLOW_CONTROL 0x08
|
||||
|
||||
#define MEI_HBM_CLIENT_CONNECTION_RESET 0x09
|
||||
|
||||
#define MEI_HBM_PG_ISOLATION_ENTRY 0x0a
|
||||
#define MEI_HBM_PG_ISOLATION_ENTRY_RES 0x8a
|
||||
|
||||
#define MEI_HBM_PG_ISOLATION_EXIT 0x0b
|
||||
#define MEI_HBM_PG_ISOLATION_EXIT_RES 0x8b
|
||||
|
||||
#define MEI_HBM_CLIENT_ADD 0x0f
|
||||
#define MEI_HBM_CLIENT_ADD_RES 0x8f
|
||||
|
||||
#define MEI_HBM_NOTIFY 0x10
|
||||
#define MEI_HBM_NOTIFY_RES 0x90
|
||||
#define MEI_HBM_NOTIFICATION 0x11
|
||||
|
||||
#define MEI_HBM_DMA_SETUP 0x12
|
||||
#define MEI_HBM_DMA_SETUP_RES 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_HBM_SUCCESS : status success
|
||||
* @MEI_HBM_CLIENT_NOT_FOUND : client not found
|
||||
* @MEI_HBM_ALREADY_EXISTS : connection already established
|
||||
* @MEI_HBM_REJECTED : connection is rejected
|
||||
* @MEI_HBM_INVALID_PARAMETER : invalid parameter
|
||||
* @MEI_HBM_NOT_ALLOWED : operation not allowed
|
||||
* @MEI_HBM_ALREADY_STARTED : system is already started
|
||||
* @MEI_HBM_NOT_STARTED : system not started
|
||||
*
|
||||
*/
|
||||
enum mei_hbm_status {
|
||||
MEI_HBM_SUCCESS = 0,
|
||||
MEI_HBM_CLIENT_NOT_FOUND = 1,
|
||||
MEI_HBM_ALREADY_EXISTS = 2,
|
||||
MEI_HBM_REJECTED = 3,
|
||||
MEI_HBM_INVALID_PARAMETER = 4,
|
||||
MEI_HBM_NOT_ALLOWED = 5,
|
||||
MEI_HBM_ALREADY_STARTED = 6,
|
||||
MEI_HBM_NOT_STARTED = 7,
|
||||
|
||||
MEI_HBM_MAX
|
||||
};
|
||||
|
||||
/*
|
||||
* Client Connect Status
|
||||
* used by hbm_client_connect_response.status
|
||||
*/
|
||||
enum mei_cl_connect_status {
|
||||
MEI_CL_CONN_SUCCESS = MEI_HBM_SUCCESS,
|
||||
MEI_CL_CONN_NOT_FOUND = MEI_HBM_CLIENT_NOT_FOUND,
|
||||
MEI_CL_CONN_ALREADY_STARTED = MEI_HBM_ALREADY_EXISTS,
|
||||
MEI_CL_CONN_OUT_OF_RESOURCES = MEI_HBM_REJECTED,
|
||||
MEI_CL_CONN_MESSAGE_SMALL = MEI_HBM_INVALID_PARAMETER,
|
||||
MEI_CL_CONN_NOT_ALLOWED = MEI_HBM_NOT_ALLOWED,
|
||||
};
|
||||
|
||||
/*
|
||||
* Client Disconnect Status
|
||||
*/
|
||||
enum mei_cl_disconnect_status {
|
||||
MEI_CL_DISCONN_SUCCESS = MEI_HBM_SUCCESS
|
||||
};
|
||||
|
||||
struct mei_enumerate_me_clients {
|
||||
uint8_t valid_addresses[32];
|
||||
};
|
||||
|
||||
struct mei_client_properties {
|
||||
guid_t protocol_name;
|
||||
uint8_t protocol_version;
|
||||
uint8_t max_connections;
|
||||
uint8_t fixed_address;
|
||||
uint8_t single_recv_buf;
|
||||
uint32_t max_msg_length;
|
||||
} __attribute__((packed));
|
||||
|
||||
/* message header is same in native and virtual */
|
||||
struct mei_msg_hdr {
|
||||
uint32_t me_addr:8;
|
||||
uint32_t host_addr:8;
|
||||
uint32_t length:9;
|
||||
uint32_t reserved:5;
|
||||
uint32_t internal:1;
|
||||
uint32_t msg_complete:1;
|
||||
} __attribute__((packed));
|
||||
|
||||
struct mei_hbm_cmd {
|
||||
uint8_t cmd:7;
|
||||
uint8_t is_response:1;
|
||||
} __attribute__((packed));
|
||||
|
||||
struct mei_hbm_host_ver_req {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t reserved;
|
||||
uint8_t minor;
|
||||
uint8_t major;
|
||||
} __attribute__((packed));
|
||||
|
||||
struct mei_hbm_host_ver_res {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t host_ver_support;
|
||||
uint8_t minor;
|
||||
uint8_t major;
|
||||
} __attribute__((packed));
|
||||
|
||||
struct mei_hbm_host_stop_req {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t reason;
|
||||
uint8_t reserved[2];
|
||||
} __attribute__((packed));
|
||||
|
||||
struct mei_hbm_host_stop_res {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t reserved[3];
|
||||
} __attribute__((packed));
|
||||
|
||||
struct mei_hbm_me_stop_res {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t reason;
|
||||
uint8_t reserved[2];
|
||||
} __attribute__((packed));
|
||||
|
||||
struct mei_hbm_me_stop_req {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t reserved[3];
|
||||
} __attribute__((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 mei_hbm_host_enum_flags {
|
||||
MEI_HBM_ENUM_F_ALLOW_ADD = 0,
|
||||
MEI_HBM_ENUM_F_IMMEDIATE_ENUM = 1,
|
||||
};
|
||||
|
||||
struct mei_hbm_host_enum_req {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t flags;
|
||||
uint8_t reserved[2];
|
||||
} __attribute__((packed));
|
||||
|
||||
struct mei_hbm_host_enum_res {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t reserved[3];
|
||||
uint8_t valid_addresses[32];
|
||||
};
|
||||
|
||||
struct mei_hbm_host_client_prop_req {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t address;
|
||||
uint8_t reserved[2];
|
||||
} __attribute__((packed));
|
||||
|
||||
|
||||
struct mei_hbm_host_client_prop_res {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t address;
|
||||
uint8_t status;
|
||||
uint8_t reserved[1];
|
||||
struct mei_client_properties props;
|
||||
} __attribute__((packed));
|
||||
|
||||
/**
|
||||
* struct mei_hbm_add_client_req - 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 mei_hbm_add_client_req {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t me_addr;
|
||||
uint8_t reserved[2];
|
||||
struct mei_client_properties client_properties;
|
||||
} __attribute__((packed));
|
||||
|
||||
/**
|
||||
* struct mei_hbm_add_client_res - 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 HBM_SUCCESS then the client can now accept connections.
|
||||
* @reserved: reserved
|
||||
*/
|
||||
struct hbm_add_client_res {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t me_addr;
|
||||
uint8_t status;
|
||||
uint8_t reserved[1];
|
||||
} __attribute__((packed));
|
||||
|
||||
/**
|
||||
* struct mei_hbm_power_gate - power gate request/response
|
||||
*
|
||||
* @hbm_cmd: bus message command header
|
||||
* @reserved: reserved
|
||||
*/
|
||||
struct mei_hbm_power_gate {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t reserved[3];
|
||||
} __attribute__((packed));
|
||||
|
||||
struct mei_hbm_client_connect_req {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t me_addr;
|
||||
uint8_t host_addr;
|
||||
uint8_t reserved;
|
||||
} __attribute__((packed));
|
||||
|
||||
struct mei_hbm_client_connect_res {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t me_addr;
|
||||
uint8_t host_addr;
|
||||
uint8_t status;
|
||||
} __attribute__((packed));
|
||||
|
||||
struct mei_hbm_client_disconnect_req {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t me_addr;
|
||||
uint8_t host_addr;
|
||||
uint8_t status;
|
||||
} __attribute__((packed));
|
||||
|
||||
struct mei_hbm_client_disconnect_res {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t me_addr;
|
||||
uint8_t host_addr;
|
||||
uint8_t status;
|
||||
} __attribute__((packed));
|
||||
|
||||
struct mei_hbm_flow_ctl {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t me_addr;
|
||||
uint8_t host_addr;
|
||||
uint8_t reserved[5];
|
||||
} __attribute__((packed));
|
||||
|
||||
/**
|
||||
* struct mei_hbm_notification_req - 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 mei_hbm_notification_req {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t me_addr;
|
||||
uint8_t host_addr;
|
||||
uint8_t start;
|
||||
} __attribute__((packed));
|
||||
|
||||
/**
|
||||
* struct mei_hbm_notification_res - 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_HBM_SUCCESS: successful stop/start
|
||||
* - MEI_HBM_CLIENT_NOT_FOUND: if the connection could not be found.
|
||||
* - MEI_HBM_ALREADY_STARTED: for start requests for a previously
|
||||
* started notification.
|
||||
* - MEI_HBM_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 mei_hbm_notification_res {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t me_addr;
|
||||
uint8_t host_addr;
|
||||
uint8_t status;
|
||||
uint8_t start;
|
||||
uint8_t reserved[3];
|
||||
} __attribute__((packed));
|
||||
|
||||
/**
|
||||
* struct mei_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 mei_hbm_notification {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t me_addr;
|
||||
uint8_t host_addr;
|
||||
uint8_t reserved[1];
|
||||
} __attribute__((packed));
|
||||
|
||||
/**
|
||||
* struct mei_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 mei_hbm_dma_mem_dscr {
|
||||
uint32_t addr_hi;
|
||||
uint32_t addr_lo;
|
||||
uint32_t size;
|
||||
} __attribute__((packed));
|
||||
|
||||
enum {
|
||||
MEI_DMA_DSCR_HOST = 0,
|
||||
MEI_DMA_DSCR_DEVICE = 1,
|
||||
MEI_DMA_DSCR_CTRL = 2,
|
||||
MEI_DMA_DSCR_NUM,
|
||||
};
|
||||
|
||||
/**
|
||||
* struct mei_hbm_dma_setup_req - dma setup request
|
||||
*
|
||||
* @hbm_cmd: bus message command header
|
||||
* @reserved: reserved for alignment
|
||||
* @dma_dscr: dma descriptor for HOST, DEVICE, and CTRL
|
||||
*/
|
||||
struct mei_hbm_dma_setup_req {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t reserved[3];
|
||||
struct mei_hbm_dma_mem_dscr dma_dscr[MEI_DMA_DSCR_NUM];
|
||||
} __attribute__((packed));
|
||||
|
||||
/**
|
||||
* struct mei_hbm_dma_setup_res - dma setup response
|
||||
*
|
||||
* @hbm_cmd: bus message command header
|
||||
* @status: 0 on success; otherwise DMA setup failed.
|
||||
* @reserved: reserved for alignment
|
||||
*/
|
||||
struct mei_hbm_dma_setup_res {
|
||||
struct mei_hbm_cmd hbm_cmd;
|
||||
uint8_t status;
|
||||
uint8_t reserved[2];
|
||||
} __attribute__((packed));
|
||||
|
||||
#ifndef IOCTL_MEI_CONNECT_CLIENT_VTAG
|
||||
/*
|
||||
* IOCTL Connect Client Data structure with vtag
|
||||
*/
|
||||
struct mei_connect_client_vtag {
|
||||
uuid_le in_client_uuid;
|
||||
__u8 vtag;
|
||||
__u8 reserved[3];
|
||||
};
|
||||
|
||||
struct mei_connect_client_data_vtag {
|
||||
union {
|
||||
struct mei_connect_client_vtag connect;
|
||||
struct mei_client out_client_properties;
|
||||
};
|
||||
};
|
||||
|
||||
#define IOCTL_MEI_CONNECT_CLIENT_VTAG \
|
||||
_IOWR('H', 0x04, struct mei_connect_client_data_vtag)
|
||||
|
||||
#endif /* IOCTL_MEI_CONNECT_CLIENT_VTAG */
|
||||
|
||||
#endif /* _MEI_HBM_H_ */
|
||||
Loading…
Reference in New Issue