| /* |
| * |
| * Intel Management Engine Interface (Intel MEI) Linux driver |
| * Copyright (c) 2003-2011, 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 */ |
| |
| /* |
| * 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 hbm_cmd { |
| u8 cmd:7; |
| u8 is_response:1; |
| } __packed; |
| |
| |
| struct mei_bus_message { |
| struct hbm_cmd cmd; |
| u8 command_specific_data[]; |
| } __packed; |
| |
| struct hbm_version { |
| u8 minor_version; |
| u8 major_version; |
| } __packed; |
| |
| struct hbm_host_version_request { |
| struct hbm_cmd cmd; |
| u8 reserved; |
| struct hbm_version host_version; |
| } __packed; |
| |
| struct hbm_host_version_response { |
| struct hbm_cmd cmd; |
| int host_version_supported; |
| struct hbm_version me_max_version; |
| } __packed; |
| |
| struct hbm_host_stop_request { |
| struct hbm_cmd cmd; |
| u8 reason; |
| u8 reserved[2]; |
| } __packed; |
| |
| struct hbm_host_stop_response { |
| struct hbm_cmd cmd; |
| u8 reserved[3]; |
| } __packed; |
| |
| struct hbm_me_stop_request { |
| struct hbm_cmd cmd; |
| u8 reason; |
| u8 reserved[2]; |
| } __packed; |
| |
| struct hbm_host_enum_request { |
| struct hbm_cmd cmd; |
| u8 reserved[3]; |
| } __packed; |
| |
| struct hbm_host_enum_response { |
| struct hbm_cmd 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 { |
| struct hbm_cmd cmd; |
| u8 address; |
| u8 reserved[2]; |
| } __packed; |
| |
| |
| struct hbm_props_response { |
| struct hbm_cmd cmd; |
| u8 address; |
| u8 status; |
| u8 reserved[1]; |
| struct mei_client_properties client_properties; |
| } __packed; |
| |
| struct hbm_client_connect_request { |
| struct hbm_cmd cmd; |
| u8 me_addr; |
| u8 host_addr; |
| u8 reserved; |
| } __packed; |
| |
| struct hbm_client_connect_response { |
| struct hbm_cmd cmd; |
| u8 me_addr; |
| u8 host_addr; |
| u8 status; |
| } __packed; |
| |
| struct hbm_client_disconnect_request { |
| struct hbm_cmd cmd; |
| u8 me_addr; |
| u8 host_addr; |
| u8 reserved[1]; |
| } __packed; |
| |
| #define MEI_FC_MESSAGE_RESERVED_LENGTH 5 |
| |
| struct hbm_flow_control { |
| struct hbm_cmd 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 |
