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582 lines
15 KiB
582 lines
15 KiB
/* 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: [email protected]) |
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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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