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