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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[];
};
/**
* 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
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