/* 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 0 x06
#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 0 xFE
#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
* @ element_trigger_format : Element trigger format
* @ 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 element_trigger_format;
__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_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
* @ rsvd2 : Reserved
* @ 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
* @ rsvd3 : Reserved
* @ cmd . drvrcmd : driver request structure
* @ cmd . 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;
};
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[];
};
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
#define MPI3MR_NVMESGL_DATA_SEGMENT 0 x00
#define MPI3MR_NVMESGL_LAST_SEGMENT 0 x03
/* 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 (0 x08)
#define MPI3_SCSITASKMGMT_TASKTYPE_ABORT_TASK (0 x01)
#define MPI3_SCSITASKMGMT_TASKTYPE_ABORT_TASK_SET (0 x02)
#define MPI3_SCSITASKMGMT_TASKTYPE_TARGET_RESET (0 x03)
#define MPI3_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET (0 x05)
#define MPI3_SCSITASKMGMT_TASKTYPE_CLEAR_TASK_SET (0 x06)
#define MPI3_SCSITASKMGMT_TASKTYPE_QUERY_TASK (0 x07)
#define MPI3_SCSITASKMGMT_TASKTYPE_CLEAR_ACA (0 x08)
#define MPI3_SCSITASKMGMT_TASKTYPE_QUERY_TASK_SET (0 x09)
#define MPI3_SCSITASKMGMT_TASKTYPE_QUERY_ASYNC_EVENT (0 x0a)
#define MPI3_SCSITASKMGMT_TASKTYPE_I_T_NEXUS_RESET (0 x0b)
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 (0 x00)
#define MPI3_SCSITASKMGMT_RSPCODE_INVALID_FRAME (0 x02)
#define MPI3_SCSITASKMGMT_RSPCODE_TM_FUNCTION_NOT_SUPPORTED (0 x04)
#define MPI3_SCSITASKMGMT_RSPCODE_TM_FAILED (0 x05)
#define MPI3_SCSITASKMGMT_RSPCODE_TM_SUCCEEDED (0 x08)
#define MPI3_SCSITASKMGMT_RSPCODE_TM_INVALID_LUN (0 x09)
#define MPI3_SCSITASKMGMT_RSPCODE_TM_OVERLAPPED_TAG (0 x0a)
#define MPI3_SCSITASKMGMT_RSPCODE_IO_QUEUED_ON_IOC (0 x80)
#define MPI3_SCSITASKMGMT_RSPCODE_TM_NVME_DENIED (0 x81)
/* MPI3: PEL related definitions */
#define MPI3_PEL_LOCALE_FLAGS_NON_BLOCKING_BOOT_EVENT (0 x0200)
#define MPI3_PEL_LOCALE_FLAGS_BLOCKING_BOOT_EVENT (0 x0100)
#define MPI3_PEL_LOCALE_FLAGS_PCIE (0 x0080)
#define MPI3_PEL_LOCALE_FLAGS_CONFIGURATION (0 x0040)
#define MPI3_PEL_LOCALE_FLAGS_CONTROLER (0 x0020)
#define MPI3_PEL_LOCALE_FLAGS_SAS (0 x0010)
#define MPI3_PEL_LOCALE_FLAGS_EPACK (0 x0008)
#define MPI3_PEL_LOCALE_FLAGS_ENCLOSURE (0 x0004)
#define MPI3_PEL_LOCALE_FLAGS_PD (0 x0002)
#define MPI3_PEL_LOCALE_FLAGS_VD (0 x0001)
#define MPI3_PEL_CLASS_DEBUG (0 x00)
#define MPI3_PEL_CLASS_PROGRESS (0 x01)
#define MPI3_PEL_CLASS_INFORMATIONAL (0 x02)
#define MPI3_PEL_CLASS_WARNING (0 x03)
#define MPI3_PEL_CLASS_CRITICAL (0 x04)
#define MPI3_PEL_CLASS_FATAL (0 x05)
#define MPI3_PEL_CLASS_FAULT (0 x06)
/* MPI3: Function definitions */
#define MPI3_BSG_FUNCTION_MGMT_PASSTHROUGH (0 x0a)
#define MPI3_BSG_FUNCTION_SCSI_IO (0 x20)
#define MPI3_BSG_FUNCTION_SCSI_TASK_MGMT (0 x21)
#define MPI3_BSG_FUNCTION_SMP_PASSTHROUGH (0 x22)
#define MPI3_BSG_FUNCTION_NVME_ENCAPSULATED (0 x24)
#endif
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