333 lines
8.3 KiB
C
333 lines
8.3 KiB
C
/*
|
|
*
|
|
* 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
|
|
*/
|
|
#define MEI_INTEROP_TIMEOUT (HZ * 7)
|
|
#define MEI_CONNECT_TIMEOUT 3 /* at least 2 seconds */
|
|
|
|
#define CONNECT_TIMEOUT 15 /* HPS definition */
|
|
#define INIT_CLIENTS_TIMEOUT 15 /* HPS definition */
|
|
|
|
#define IAMTHIF_STALL_TIMER 12 /* seconds */
|
|
#define IAMTHIF_READ_TIMER 10000 /* ms */
|
|
|
|
/*
|
|
* Internal Clients Number
|
|
*/
|
|
#define MEI_WD_HOST_CLIENT_ID 1
|
|
#define MEI_IAMTHIF_HOST_CLIENT_ID 2
|
|
|
|
/*
|
|
* MEI device IDs
|
|
*/
|
|
#define MEI_DEV_ID_82946GZ 0x2974 /* 82946GZ/GL */
|
|
#define MEI_DEV_ID_82G35 0x2984 /* 82G35 Express */
|
|
#define MEI_DEV_ID_82Q965 0x2994 /* 82Q963/Q965 */
|
|
#define MEI_DEV_ID_82G965 0x29A4 /* 82P965/G965 */
|
|
|
|
#define MEI_DEV_ID_82GM965 0x2A04 /* Mobile PM965/GM965 */
|
|
#define MEI_DEV_ID_82GME965 0x2A14 /* Mobile GME965/GLE960 */
|
|
|
|
#define MEI_DEV_ID_ICH9_82Q35 0x29B4 /* 82Q35 Express */
|
|
#define MEI_DEV_ID_ICH9_82G33 0x29C4 /* 82G33/G31/P35/P31 Express */
|
|
#define MEI_DEV_ID_ICH9_82Q33 0x29D4 /* 82Q33 Express */
|
|
#define MEI_DEV_ID_ICH9_82X38 0x29E4 /* 82X38/X48 Express */
|
|
#define MEI_DEV_ID_ICH9_3200 0x29F4 /* 3200/3210 Server */
|
|
|
|
#define MEI_DEV_ID_ICH9_6 0x28B4 /* Bearlake */
|
|
#define MEI_DEV_ID_ICH9_7 0x28C4 /* Bearlake */
|
|
#define MEI_DEV_ID_ICH9_8 0x28D4 /* Bearlake */
|
|
#define MEI_DEV_ID_ICH9_9 0x28E4 /* Bearlake */
|
|
#define MEI_DEV_ID_ICH9_10 0x28F4 /* Bearlake */
|
|
|
|
#define MEI_DEV_ID_ICH9M_1 0x2A44 /* Cantiga */
|
|
#define MEI_DEV_ID_ICH9M_2 0x2A54 /* Cantiga */
|
|
#define MEI_DEV_ID_ICH9M_3 0x2A64 /* Cantiga */
|
|
#define MEI_DEV_ID_ICH9M_4 0x2A74 /* Cantiga */
|
|
|
|
#define MEI_DEV_ID_ICH10_1 0x2E04 /* Eaglelake */
|
|
#define MEI_DEV_ID_ICH10_2 0x2E14 /* Eaglelake */
|
|
#define MEI_DEV_ID_ICH10_3 0x2E24 /* Eaglelake */
|
|
#define MEI_DEV_ID_ICH10_4 0x2E34 /* Eaglelake */
|
|
|
|
#define MEI_DEV_ID_IBXPK_1 0x3B64 /* Calpella */
|
|
#define MEI_DEV_ID_IBXPK_2 0x3B65 /* Calpella */
|
|
|
|
#define MEI_DEV_ID_CPT_1 0x1C3A /* Cougerpoint */
|
|
#define MEI_DEV_ID_PBG_1 0x1D3A /* PBG */
|
|
|
|
#define MEI_DEV_ID_PPT_1 0x1E3A /* Pantherpoint PPT */
|
|
#define MEI_DEV_ID_PPT_2 0x1CBA /* Pantherpoint PPT */
|
|
#define MEI_DEV_ID_PPT_3 0x1DBA /* Pantherpoint PPT */
|
|
|
|
|
|
/*
|
|
* MEI HW Section
|
|
*/
|
|
|
|
/* MEI registers */
|
|
/* H_CB_WW - Host Circular Buffer (CB) Write Window register */
|
|
#define H_CB_WW 0
|
|
/* H_CSR - Host Control Status register */
|
|
#define H_CSR 4
|
|
/* ME_CB_RW - ME Circular Buffer Read Window register (read only) */
|
|
#define ME_CB_RW 8
|
|
/* ME_CSR_HA - ME Control Status Host Access register (read only) */
|
|
#define ME_CSR_HA 0xC
|
|
|
|
|
|
/* register bits of H_CSR (Host Control Status register) */
|
|
/* Host Circular Buffer Depth - maximum number of 32-bit entries in CB */
|
|
#define H_CBD 0xFF000000
|
|
/* Host Circular Buffer Write Pointer */
|
|
#define H_CBWP 0x00FF0000
|
|
/* Host Circular Buffer Read Pointer */
|
|
#define H_CBRP 0x0000FF00
|
|
/* Host Reset */
|
|
#define H_RST 0x00000010
|
|
/* Host Ready */
|
|
#define H_RDY 0x00000008
|
|
/* Host Interrupt Generate */
|
|
#define H_IG 0x00000004
|
|
/* Host Interrupt Status */
|
|
#define H_IS 0x00000002
|
|
/* Host Interrupt Enable */
|
|
#define H_IE 0x00000001
|
|
|
|
|
|
/* register bits of ME_CSR_HA (ME Control Status Host Access register) */
|
|
/* ME CB (Circular Buffer) Depth HRA (Host Read Access) - host read only
|
|
access to ME_CBD */
|
|
#define ME_CBD_HRA 0xFF000000
|
|
/* ME CB Write Pointer HRA - host read only access to ME_CBWP */
|
|
#define ME_CBWP_HRA 0x00FF0000
|
|
/* ME CB Read Pointer HRA - host read only access to ME_CBRP */
|
|
#define ME_CBRP_HRA 0x0000FF00
|
|
/* ME Reset HRA - host read only access to ME_RST */
|
|
#define ME_RST_HRA 0x00000010
|
|
/* ME Ready HRA - host read only access to ME_RDY */
|
|
#define ME_RDY_HRA 0x00000008
|
|
/* ME Interrupt Generate HRA - host read only access to ME_IG */
|
|
#define ME_IG_HRA 0x00000004
|
|
/* ME Interrupt Status HRA - host read only access to ME_IS */
|
|
#define ME_IS_HRA 0x00000002
|
|
/* ME Interrupt Enable HRA - host read only access to ME_IE */
|
|
#define ME_IE_HRA 0x00000001
|
|
|
|
/*
|
|
* MEI Version
|
|
*/
|
|
#define HBM_MINOR_VERSION 0
|
|
#define HBM_MAJOR_VERSION 1
|
|
#define HBM_TIMEOUT 1 /* 1 second */
|
|
|
|
/* 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
|
|
|
|
/*
|
|
* 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
|
|
};
|
|
|
|
/*
|
|
* Client Connect Status
|
|
* used by hbm_client_connect_response.status
|
|
*/
|
|
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
|
|
};
|
|
|
|
/*
|
|
* Client Disconnect Status
|
|
*/
|
|
enum client_disconnect_status_types {
|
|
CDS_SUCCESS = 0x00
|
|
};
|
|
|
|
/*
|
|
* MEI BUS Interface Section
|
|
*/
|
|
struct mei_msg_hdr {
|
|
u32 me_addr:8;
|
|
u32 host_addr:8;
|
|
u32 length:9;
|
|
u32 reserved:6;
|
|
u32 msg_complete:1;
|
|
} __packed;
|
|
|
|
|
|
struct mei_bus_message {
|
|
u8 hbm_cmd;
|
|
u8 data[0];
|
|
} __packed;
|
|
|
|
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 address;
|
|
u8 reserved[2];
|
|
} __packed;
|
|
|
|
|
|
struct hbm_props_response {
|
|
u8 hbm_cmd;
|
|
u8 address;
|
|
u8 status;
|
|
u8 reserved[1];
|
|
struct mei_client_properties client_properties;
|
|
} __packed;
|
|
|
|
struct hbm_client_connect_request {
|
|
u8 hbm_cmd;
|
|
u8 me_addr;
|
|
u8 host_addr;
|
|
u8 reserved;
|
|
} __packed;
|
|
|
|
struct hbm_client_connect_response {
|
|
u8 hbm_cmd;
|
|
u8 me_addr;
|
|
u8 host_addr;
|
|
u8 status;
|
|
} __packed;
|
|
|
|
struct hbm_client_disconnect_request {
|
|
u8 hbm_cmd;
|
|
u8 me_addr;
|
|
u8 host_addr;
|
|
u8 reserved[1];
|
|
} __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;
|
|
|
|
struct mei_me_client {
|
|
struct mei_client_properties props;
|
|
u8 client_id;
|
|
u8 mei_flow_ctrl_creds;
|
|
} __packed;
|
|
|
|
|
|
#endif
|