| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Tomas Winkler | 464 | 47.25% | 24 | 64.86% |
| Oren Weil | 430 | 43.79% | 1 | 2.70% |
| Alexander Usyskin | 87 | 8.86% | 11 | 29.73% |
| Gustavo A. R. Silva | 1 | 0.10% | 1 | 2.70% |
| Total | 982 | 37 |
/* 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; /* The length is up to 9 bits */ #define MEI_MSG_MAX_LEN_MASK GENMASK(9, 0) #define MEI_MSG_HDR_MAX 2 struct mei_bus_message { u8 hbm_cmd; u8 data[]; } __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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