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scsi_bsg_mpi3mr.h
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/* SPDX-License-Identifier: GPL-2.0-or-later WITH Linux-syscall-note */ /* * Driver for Broadcom MPI3 Storage Controllers * * Copyright (C) 2017-2022 Broadcom Inc. * (mailto: mpi3mr-linuxdrv.pdl@broadcom.com) * */ #ifndef SCSI_BSG_MPI3MR_H_INCLUDED #define SCSI_BSG_MPI3MR_H_INCLUDED #include <linux/types.h> /* Definitions for BSG commands */ #define MPI3MR_IOCTL_VERSION 0x06 #define MPI3MR_APP_DEFAULT_TIMEOUT (60) /*seconds*/ #define MPI3MR_BSG_ADPTYPE_UNKNOWN 0 #define MPI3MR_BSG_ADPTYPE_AVGFAMILY 1 #define MPI3MR_BSG_ADPSTATE_UNKNOWN 0 #define MPI3MR_BSG_ADPSTATE_OPERATIONAL 1 #define MPI3MR_BSG_ADPSTATE_FAULT 2 #define MPI3MR_BSG_ADPSTATE_IN_RESET 3 #define MPI3MR_BSG_ADPSTATE_UNRECOVERABLE 4 #define MPI3MR_BSG_ADPRESET_UNKNOWN 0 #define MPI3MR_BSG_ADPRESET_SOFT 1 #define MPI3MR_BSG_ADPRESET_DIAG_FAULT 2 #define MPI3MR_BSG_LOGDATA_MAX_ENTRIES 400 #define MPI3MR_BSG_LOGDATA_ENTRY_HEADER_SZ 4 #define MPI3MR_DRVBSG_OPCODE_UNKNOWN 0 #define MPI3MR_DRVBSG_OPCODE_ADPINFO 1 #define MPI3MR_DRVBSG_OPCODE_ADPRESET 2 #define MPI3MR_DRVBSG_OPCODE_ALLTGTDEVINFO 4 #define MPI3MR_DRVBSG_OPCODE_GETCHGCNT 5 #define MPI3MR_DRVBSG_OPCODE_LOGDATAENABLE 6 #define MPI3MR_DRVBSG_OPCODE_PELENABLE 7 #define MPI3MR_DRVBSG_OPCODE_GETLOGDATA 8 #define MPI3MR_DRVBSG_OPCODE_QUERY_HDB 9 #define MPI3MR_DRVBSG_OPCODE_REPOST_HDB 10 #define MPI3MR_DRVBSG_OPCODE_UPLOAD_HDB 11 #define MPI3MR_DRVBSG_OPCODE_REFRESH_HDB_TRIGGERS 12 #define MPI3MR_BSG_BUFTYPE_UNKNOWN 0 #define MPI3MR_BSG_BUFTYPE_RAIDMGMT_CMD 1 #define MPI3MR_BSG_BUFTYPE_RAIDMGMT_RESP 2 #define MPI3MR_BSG_BUFTYPE_DATA_IN 3 #define MPI3MR_BSG_BUFTYPE_DATA_OUT 4 #define MPI3MR_BSG_BUFTYPE_MPI_REPLY 5 #define MPI3MR_BSG_BUFTYPE_ERR_RESPONSE 6 #define MPI3MR_BSG_BUFTYPE_MPI_REQUEST 0xFE #define MPI3MR_BSG_MPI_REPLY_BUFTYPE_UNKNOWN 0 #define MPI3MR_BSG_MPI_REPLY_BUFTYPE_STATUS 1 #define MPI3MR_BSG_MPI_REPLY_BUFTYPE_ADDRESS 2 #define MPI3MR_HDB_BUFTYPE_UNKNOWN 0 #define MPI3MR_HDB_BUFTYPE_TRACE 1 #define MPI3MR_HDB_BUFTYPE_FIRMWARE 2 #define MPI3MR_HDB_BUFTYPE_RESERVED 3 #define MPI3MR_HDB_BUFSTATUS_UNKNOWN 0 #define MPI3MR_HDB_BUFSTATUS_NOT_ALLOCATED 1 #define MPI3MR_HDB_BUFSTATUS_POSTED_UNPAUSED 2 #define MPI3MR_HDB_BUFSTATUS_POSTED_PAUSED 3 #define MPI3MR_HDB_BUFSTATUS_RELEASED 4 #define MPI3MR_HDB_TRIGGER_TYPE_UNKNOWN 0 #define MPI3MR_HDB_TRIGGER_TYPE_DIAGFAULT 1 #define MPI3MR_HDB_TRIGGER_TYPE_ELEMENT 2 #define MPI3MR_HDB_TRIGGER_TYPE_MASTER 3 /* Supported BSG commands */ enum command { MPI3MR_DRV_CMD = 1, MPI3MR_MPT_CMD = 2, }; /** * struct mpi3_driver_info_layout - Information about driver * * @information_length: Length of this structure in bytes * @driver_signature: Driver Vendor name * @os_name: Operating System Name * @driver_name: Driver name * @driver_version: Driver version * @driver_release_date: Driver release date * @driver_capabilities: Driver capabilities */ struct mpi3_driver_info_layout { __le32 information_length; __u8 driver_signature[12]; __u8 os_name[16]; __u8 os_version[12]; __u8 driver_name[20]; __u8 driver_version[32]; __u8 driver_release_date[20]; __le32 driver_capabilities; }; /** * struct mpi3mr_bsg_in_adpinfo - Adapter information request * data returned by the driver. * * @adp_type: Adapter type * @rsvd1: Reserved * @pci_dev_id: PCI device ID of the adapter * @pci_dev_hw_rev: PCI revision of the adapter * @pci_subsys_dev_id: PCI subsystem device ID of the adapter * @pci_subsys_ven_id: PCI subsystem vendor ID of the adapter * @pci_dev: PCI device * @pci_func: PCI function * @pci_bus: PCI bus * @rsvd2: Reserved * @pci_seg_id: PCI segment ID * @app_intfc_ver: version of the application interface definition * @rsvd3: Reserved * @rsvd4: Reserved * @rsvd5: Reserved * @driver_info: Driver Information (Version/Name) */ struct mpi3mr_bsg_in_adpinfo { __u32 adp_type; __u32 rsvd1; __u32 pci_dev_id; __u32 pci_dev_hw_rev; __u32 pci_subsys_dev_id; __u32 pci_subsys_ven_id; __u32 pci_dev:5; __u32 pci_func:3; __u32 pci_bus:8; __u16 rsvd2; __u32 pci_seg_id; __u32 app_intfc_ver; __u8 adp_state; __u8 rsvd3; __u16 rsvd4; __u32 rsvd5[2]; struct mpi3_driver_info_layout driver_info; }; /** * struct mpi3mr_bsg_adp_reset - Adapter reset request * payload data to the driver. * * @reset_type: Reset type * @rsvd1: Reserved * @rsvd2: Reserved */ struct mpi3mr_bsg_adp_reset { __u8 reset_type; __u8 rsvd1; __u16 rsvd2; }; /** * struct mpi3mr_change_count - Topology change count * returned by the driver. * * @change_count: Topology change count * @rsvd: Reserved */ struct mpi3mr_change_count { __u16 change_count; __u16 rsvd; }; /** * struct mpi3mr_device_map_info - Target device mapping * information * * @handle: Firmware device handle * @perst_id: Persistent ID assigned by the firmware * @target_id: Target ID assigned by the driver * @bus_id: Bus ID assigned by the driver * @rsvd1: Reserved * @rsvd2: Reserved */ struct mpi3mr_device_map_info { __u16 handle; __u16 perst_id; __u32 target_id; __u8 bus_id; __u8 rsvd1; __u16 rsvd2; }; /** * struct mpi3mr_all_tgt_info - Target device mapping * information returned by the driver * * @num_devices: The number of devices in driver's inventory * @rsvd1: Reserved * @rsvd2: Reserved * @dmi: Variable length array of mapping information of targets */ struct mpi3mr_all_tgt_info { __u16 num_devices; __u16 rsvd1; __u32 rsvd2; struct mpi3mr_device_map_info dmi[1]; }; /** * struct mpi3mr_logdata_enable - Number of log data * entries saved by the driver returned as payload data for * enable logdata BSG request by the driver. * * @max_entries: Number of log data entries cached by the driver * @rsvd: Reserved */ struct mpi3mr_logdata_enable { __u16 max_entries; __u16 rsvd; }; /** * struct mpi3mr_bsg_out_pel_enable - PEL enable request payload * data to the driver. * * @pel_locale: PEL locale to the firmware * @pel_class: PEL class to the firmware * @rsvd: Reserved */ struct mpi3mr_bsg_out_pel_enable { __u16 pel_locale; __u8 pel_class; __u8 rsvd; }; /** * struct mpi3mr_logdata_entry - Log data entry cached by the * driver. * * @valid_entry: Is the entry valid * @rsvd1: Reserved * @rsvd2: Reserved * @data: Variable length Log entry data */ struct mpi3mr_logdata_entry { __u8 valid_entry; __u8 rsvd1; __u16 rsvd2; __u8 data[1]; /* Variable length Array */ }; /** * struct mpi3mr_bsg_in_log_data - Log data entries saved by * the driver returned as payload data for Get logdata request * by the driver. * * @entry: Variable length Log data entry array */ struct mpi3mr_bsg_in_log_data { struct mpi3mr_logdata_entry entry[1]; }; /** * struct mpi3mr_hdb_entry - host diag buffer entry. * * @buf_type: Buffer type * @status: Buffer status * @trigger_type: Trigger type * @rsvd1: Reserved * @size: Buffer size * @rsvd2: Reserved * @trigger_data: Trigger specific data * @rsvd3: Reserved * @rsvd4: Reserved */ struct mpi3mr_hdb_entry { __u8 buf_type; __u8 status; __u8 trigger_type; __u8 rsvd1; __u16 size; __u16 rsvd2; __u64 trigger_data; __u32 rsvd3; __u32 rsvd4; }; /** * struct mpi3mr_bsg_in_hdb_status - This structure contains * return data for the BSG request to retrieve the number of host * diagnostic buffers supported by the driver and their current * status and additional status specific data if any in forms of * multiple hdb entries. * * @num_hdb_types: Number of host diag buffer types supported * @rsvd1: Reserved * @rsvd2: Reserved * @rsvd3: Reserved * @entry: Variable length Diag buffer status entry array */ struct mpi3mr_bsg_in_hdb_status { __u8 num_hdb_types; __u8 rsvd1; __u16 rsvd2; __u32 rsvd3; struct mpi3mr_hdb_entry entry[1]; }; /** * struct mpi3mr_bsg_out_repost_hdb - Repost host diagnostic * buffer request payload data to the driver. * * @buf_type: Buffer type * @rsvd1: Reserved * @rsvd2: Reserved */ struct mpi3mr_bsg_out_repost_hdb { __u8 buf_type; __u8 rsvd1; __u16 rsvd2; }; /** * struct mpi3mr_bsg_out_upload_hdb - Upload host diagnostic * buffer request payload data to the driver. * * @buf_type: Buffer type * @rsvd1: Reserved * @rsvd2: Reserved * @start_offset: Start offset of the buffer from where to copy * @length: Length of the buffer to copy */ struct mpi3mr_bsg_out_upload_hdb { __u8 buf_type; __u8 rsvd1; __u16 rsvd2; __u32 start_offset; __u32 length; }; /** * struct mpi3mr_bsg_out_refresh_hdb_triggers - Refresh host * diagnostic buffer triggers request payload data to the driver. * * @page_type: Page type * @rsvd1: Reserved * @rsvd2: Reserved */ struct mpi3mr_bsg_out_refresh_hdb_triggers { __u8 page_type; __u8 rsvd1; __u16 rsvd2; }; /** * struct mpi3mr_bsg_drv_cmd - Generic bsg data * structure for all driver specific requests. * * @mrioc_id: Controller ID * @opcode: Driver specific opcode * @rsvd1: Reserved * @rsvd2: Reserved */ struct mpi3mr_bsg_drv_cmd { __u8 mrioc_id; __u8 opcode; __u16 rsvd1; __u32 rsvd2[4]; }; /** * struct mpi3mr_bsg_in_reply_buf - MPI reply buffer returned * for MPI Passthrough request . * * @mpi_reply_type: Type of MPI reply * @rsvd1: Reserved * @rsvd2: Reserved * @reply_buf: Variable Length buffer based on mpirep type */ struct mpi3mr_bsg_in_reply_buf { __u8 mpi_reply_type; __u8 rsvd1; __u16 rsvd2; __u8 reply_buf[1]; }; /** * struct mpi3mr_buf_entry - User buffer descriptor for MPI * Passthrough requests. * * @buf_type: Buffer type * @rsvd1: Reserved * @rsvd2: Reserved * @buf_len: Buffer length */ struct mpi3mr_buf_entry { __u8 buf_type; __u8 rsvd1; __u16 rsvd2; __u32 buf_len; }; /** * struct mpi3mr_bsg_buf_entry_list - list of user buffer * descriptor for MPI Passthrough requests. * * @num_of_entries: Number of buffer descriptors * @rsvd1: Reserved * @rsvd2: Reserved * @rsvd3: Reserved * @buf_entry: Variable length array of buffer descriptors */ struct mpi3mr_buf_entry_list { __u8 num_of_entries; __u8 rsvd1; __u16 rsvd2; __u32 rsvd3; struct mpi3mr_buf_entry buf_entry[1]; }; /** * struct mpi3mr_bsg_mptcmd - Generic bsg data * structure for all MPI Passthrough requests . * * @mrioc_id: Controller ID * @rsvd1: Reserved * @timeout: MPI request timeout * @buf_entry_list: Buffer descriptor list */ struct mpi3mr_bsg_mptcmd { __u8 mrioc_id; __u8 rsvd1; __u16 timeout; __u32 rsvd2; struct mpi3mr_buf_entry_list buf_entry_list; }; /** * struct mpi3mr_bsg_packet - Generic bsg data * structure for all supported requests . * * @cmd_type: represents drvrcmd or mptcmd * @rsvd1: Reserved * @rsvd2: Reserved * @drvrcmd: driver request structure * @mptcmd: mpt request structure */ struct mpi3mr_bsg_packet { __u8 cmd_type; __u8 rsvd1; __u16 rsvd2; __u32 rsvd3; union { struct mpi3mr_bsg_drv_cmd drvrcmd; struct mpi3mr_bsg_mptcmd mptcmd; } cmd; }; /* MPI3: NVMe Encasulation related definitions */ #ifndef MPI3_NVME_ENCAP_CMD_MAX #define MPI3_NVME_ENCAP_CMD_MAX (1) #endif struct mpi3_nvme_encapsulated_request { __le16 host_tag; __u8 ioc_use_only02; __u8 function; __le16 ioc_use_only04; __u8 ioc_use_only06; __u8 msg_flags; __le16 change_count; __le16 dev_handle; __le16 encapsulated_command_length; __le16 flags; __le32 data_length; __le32 reserved14[3]; __le32 command[MPI3_NVME_ENCAP_CMD_MAX]; }; struct mpi3_nvme_encapsulated_error_reply { __le16 host_tag; __u8 ioc_use_only02; __u8 function; __le16 ioc_use_only04; __u8 ioc_use_only06; __u8 msg_flags; __le16 ioc_use_only08; __le16 ioc_status; __le32 ioc_log_info; __le32 nvme_completion_entry[4]; }; #define MPI3MR_NVME_PRP_SIZE 8 /* PRP size */ #define MPI3MR_NVME_CMD_PRP1_OFFSET 24 /* PRP1 offset in NVMe cmd */ #define MPI3MR_NVME_CMD_PRP2_OFFSET 32 /* PRP2 offset in NVMe cmd */ #define MPI3MR_NVME_CMD_SGL_OFFSET 24 /* SGL offset in NVMe cmd */ #define MPI3MR_NVME_DATA_FORMAT_PRP 0 #define MPI3MR_NVME_DATA_FORMAT_SGL1 1 #define MPI3MR_NVME_DATA_FORMAT_SGL2 2 /* MPI3: task management related definitions */ struct mpi3_scsi_task_mgmt_request { __le16 host_tag; __u8 ioc_use_only02; __u8 function; __le16 ioc_use_only04; __u8 ioc_use_only06; __u8 msg_flags; __le16 change_count; __le16 dev_handle; __le16 task_host_tag; __u8 task_type; __u8 reserved0f; __le16 task_request_queue_id; __le16 reserved12; __le32 reserved14; __u8 lun[8]; }; #define MPI3_SCSITASKMGMT_MSGFLAGS_DO_NOT_SEND_TASK_IU (0x08) #define MPI3_SCSITASKMGMT_TASKTYPE_ABORT_TASK (0x01) #define MPI3_SCSITASKMGMT_TASKTYPE_ABORT_TASK_SET (0x02) #define MPI3_SCSITASKMGMT_TASKTYPE_TARGET_RESET (0x03) #define MPI3_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET (0x05) #define MPI3_SCSITASKMGMT_TASKTYPE_CLEAR_TASK_SET (0x06) #define MPI3_SCSITASKMGMT_TASKTYPE_QUERY_TASK (0x07) #define MPI3_SCSITASKMGMT_TASKTYPE_CLEAR_ACA (0x08) #define MPI3_SCSITASKMGMT_TASKTYPE_QUERY_TASK_SET (0x09) #define MPI3_SCSITASKMGMT_TASKTYPE_QUERY_ASYNC_EVENT (0x0a) #define MPI3_SCSITASKMGMT_TASKTYPE_I_T_NEXUS_RESET (0x0b) struct mpi3_scsi_task_mgmt_reply { __le16 host_tag; __u8 ioc_use_only02; __u8 function; __le16 ioc_use_only04; __u8 ioc_use_only06; __u8 msg_flags; __le16 ioc_use_only08; __le16 ioc_status; __le32 ioc_log_info; __le32 termination_count; __le32 response_data; __le32 reserved18; }; #define MPI3_SCSITASKMGMT_RSPCODE_TM_COMPLETE (0x00) #define MPI3_SCSITASKMGMT_RSPCODE_INVALID_FRAME (0x02) #define MPI3_SCSITASKMGMT_RSPCODE_TM_FUNCTION_NOT_SUPPORTED (0x04) #define MPI3_SCSITASKMGMT_RSPCODE_TM_FAILED (0x05) #define MPI3_SCSITASKMGMT_RSPCODE_TM_SUCCEEDED (0x08) #define MPI3_SCSITASKMGMT_RSPCODE_TM_INVALID_LUN (0x09) #define MPI3_SCSITASKMGMT_RSPCODE_TM_OVERLAPPED_TAG (0x0a) #define MPI3_SCSITASKMGMT_RSPCODE_IO_QUEUED_ON_IOC (0x80) #define MPI3_SCSITASKMGMT_RSPCODE_TM_NVME_DENIED (0x81) /* MPI3: PEL related definitions */ #define MPI3_PEL_LOCALE_FLAGS_NON_BLOCKING_BOOT_EVENT (0x0200) #define MPI3_PEL_LOCALE_FLAGS_BLOCKING_BOOT_EVENT (0x0100) #define MPI3_PEL_LOCALE_FLAGS_PCIE (0x0080) #define MPI3_PEL_LOCALE_FLAGS_CONFIGURATION (0x0040) #define MPI3_PEL_LOCALE_FLAGS_CONTROLER (0x0020) #define MPI3_PEL_LOCALE_FLAGS_SAS (0x0010) #define MPI3_PEL_LOCALE_FLAGS_EPACK (0x0008) #define MPI3_PEL_LOCALE_FLAGS_ENCLOSURE (0x0004) #define MPI3_PEL_LOCALE_FLAGS_PD (0x0002) #define MPI3_PEL_LOCALE_FLAGS_VD (0x0001) #define MPI3_PEL_CLASS_DEBUG (0x00) #define MPI3_PEL_CLASS_PROGRESS (0x01) #define MPI3_PEL_CLASS_INFORMATIONAL (0x02) #define MPI3_PEL_CLASS_WARNING (0x03) #define MPI3_PEL_CLASS_CRITICAL (0x04) #define MPI3_PEL_CLASS_FATAL (0x05) #define MPI3_PEL_CLASS_FAULT (0x06) /* MPI3: Function definitions */ #define MPI3_BSG_FUNCTION_MGMT_PASSTHROUGH (0x0a) #define MPI3_BSG_FUNCTION_SCSI_IO (0x20) #define MPI3_BSG_FUNCTION_SCSI_TASK_MGMT (0x21) #define MPI3_BSG_FUNCTION_SMP_PASSTHROUGH (0x22) #define MPI3_BSG_FUNCTION_NVME_ENCAPSULATED (0x24) #endif