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diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h
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+++ b/drivers/scsi/mpi3mr/mpi3mr.h
@@ -0,0 +1,1399 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Driver for Broadcom MPI3 Storage Controllers
+ *
+ * Copyright (C) 2017-2022 Broadcom Inc.
+ * (mailto: mpi3mr-linuxdrv.pdl@broadcom.com)
+ *
+ */
+
+#ifndef MPI3MR_H_INCLUDED
+#define MPI3MR_H_INCLUDED
+
+#include <linux/blkdev.h>
+#include <linux/blk-mq.h>
+#include <linux/blk-mq-pci.h>
+#include <linux/delay.h>
+#include <linux/dmapool.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/miscdevice.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/poll.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/uaccess.h>
+#include <linux/utsname.h>
+#include <linux/version.h>
+#include <linux/workqueue.h>
+#include <asm/unaligned.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_dbg.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tcq.h>
+#include <uapi/scsi/scsi_bsg_mpi3mr.h>
+#include <scsi/scsi_transport_sas.h>
+
+#include "mpi/mpi30_transport.h"
+#include "mpi/mpi30_cnfg.h"
+#include "mpi/mpi30_image.h"
+#include "mpi/mpi30_init.h"
+#include "mpi/mpi30_ioc.h"
+#include "mpi/mpi30_sas.h"
+#include "mpi/mpi30_pci.h"
+#include "mpi3mr_debug.h"
+
+/* Global list and lock for storing multiple adapters managed by the driver */
+extern spinlock_t mrioc_list_lock;
+extern struct list_head mrioc_list;
+extern int prot_mask;
+extern atomic64_t event_counter;
+
+#define MPI3MR_DRIVER_VERSION "8.2.0.3.0"
+#define MPI3MR_DRIVER_RELDATE "08-September-2022"
+
+#define MPI3MR_DRIVER_NAME "mpi3mr"
+#define MPI3MR_DRIVER_LICENSE "GPL"
+#define MPI3MR_DRIVER_AUTHOR "Broadcom Inc. <mpi3mr-linuxdrv.pdl@broadcom.com>"
+#define MPI3MR_DRIVER_DESC "MPI3 Storage Controller Device Driver"
+
+#define MPI3MR_NAME_LENGTH 32
+#define IOCNAME "%s: "
+
+#define MPI3MR_MAX_SECTORS 2048
+
+/* Definitions for internal SGL and Chain SGL buffers */
+#define MPI3MR_PAGE_SIZE_4K 4096
+#define MPI3MR_SG_DEPTH (MPI3MR_PAGE_SIZE_4K / sizeof(struct mpi3_sge_common))
+
+/* Definitions for MAX values for shost */
+#define MPI3MR_MAX_CMDS_LUN 128
+#define MPI3MR_MAX_CDB_LENGTH 32
+
+/* Admin queue management definitions */
+#define MPI3MR_ADMIN_REQ_Q_SIZE (2 * MPI3MR_PAGE_SIZE_4K)
+#define MPI3MR_ADMIN_REPLY_Q_SIZE (4 * MPI3MR_PAGE_SIZE_4K)
+#define MPI3MR_ADMIN_REQ_FRAME_SZ 128
+#define MPI3MR_ADMIN_REPLY_FRAME_SZ 16
+
+/* Operational queue management definitions */
+#define MPI3MR_OP_REQ_Q_QD 512
+#define MPI3MR_OP_REP_Q_QD 1024
+#define MPI3MR_OP_REP_Q_QD4K 4096
+#define MPI3MR_OP_REQ_Q_SEG_SIZE 4096
+#define MPI3MR_OP_REP_Q_SEG_SIZE 4096
+#define MPI3MR_MAX_SEG_LIST_SIZE 4096
+
+/* Reserved Host Tag definitions */
+#define MPI3MR_HOSTTAG_INVALID 0xFFFF
+#define MPI3MR_HOSTTAG_INITCMDS 1
+#define MPI3MR_HOSTTAG_BSG_CMDS 2
+#define MPI3MR_HOSTTAG_PEL_ABORT 3
+#define MPI3MR_HOSTTAG_PEL_WAIT 4
+#define MPI3MR_HOSTTAG_BLK_TMS 5
+#define MPI3MR_HOSTTAG_CFG_CMDS 6
+#define MPI3MR_HOSTTAG_TRANSPORT_CMDS 7
+
+#define MPI3MR_NUM_DEVRMCMD 16
+#define MPI3MR_HOSTTAG_DEVRMCMD_MIN (MPI3MR_HOSTTAG_TRANSPORT_CMDS + 1)
+#define MPI3MR_HOSTTAG_DEVRMCMD_MAX (MPI3MR_HOSTTAG_DEVRMCMD_MIN + \
+ MPI3MR_NUM_DEVRMCMD - 1)
+
+#define MPI3MR_INTERNAL_CMDS_RESVD MPI3MR_HOSTTAG_DEVRMCMD_MAX
+#define MPI3MR_NUM_EVTACKCMD 4
+#define MPI3MR_HOSTTAG_EVTACKCMD_MIN (MPI3MR_HOSTTAG_DEVRMCMD_MAX + 1)
+#define MPI3MR_HOSTTAG_EVTACKCMD_MAX (MPI3MR_HOSTTAG_EVTACKCMD_MIN + \
+ MPI3MR_NUM_EVTACKCMD - 1)
+
+/* Reduced resource count definition for crash kernel */
+#define MPI3MR_HOST_IOS_KDUMP 128
+
+/* command/controller interaction timeout definitions in seconds */
+#define MPI3MR_INTADMCMD_TIMEOUT 60
+#define MPI3MR_PORTENABLE_TIMEOUT 300
+#define MPI3MR_PORTENABLE_POLL_INTERVAL 5
+#define MPI3MR_ABORTTM_TIMEOUT 60
+#define MPI3MR_RESETTM_TIMEOUT 60
+#define MPI3MR_RESET_HOST_IOWAIT_TIMEOUT 5
+#define MPI3MR_TSUPDATE_INTERVAL 900
+#define MPI3MR_DEFAULT_SHUTDOWN_TIME 120
+#define MPI3MR_RAID_ERRREC_RESET_TIMEOUT 180
+#define MPI3MR_PREPARE_FOR_RESET_TIMEOUT 180
+#define MPI3MR_RESET_ACK_TIMEOUT 30
+
+#define MPI3MR_WATCHDOG_INTERVAL 1000 /* in milli seconds */
+
+#define MPI3MR_DEFAULT_CFG_PAGE_SZ 1024 /* in bytes */
+
+#define MPI3MR_RESET_TOPOLOGY_SETTLE_TIME 10
+
+#define MPI3MR_SCMD_TIMEOUT (60 * HZ)
+#define MPI3MR_EH_SCMD_TIMEOUT (60 * HZ)
+
+/* Internal admin command state definitions*/
+#define MPI3MR_CMD_NOTUSED 0x8000
+#define MPI3MR_CMD_COMPLETE 0x0001
+#define MPI3MR_CMD_PENDING 0x0002
+#define MPI3MR_CMD_REPLY_VALID 0x0004
+#define MPI3MR_CMD_RESET 0x0008
+
+/* Definitions for Event replies and sense buffer allocated per controller */
+#define MPI3MR_NUM_EVT_REPLIES 64
+#define MPI3MR_SENSE_BUF_SZ 256
+#define MPI3MR_SENSEBUF_FACTOR 3
+#define MPI3MR_CHAINBUF_FACTOR 3
+#define MPI3MR_CHAINBUFDIX_FACTOR 2
+
+/* Invalid target device handle */
+#define MPI3MR_INVALID_DEV_HANDLE 0xFFFF
+
+/* Controller Reset related definitions */
+#define MPI3MR_HOSTDIAG_UNLOCK_RETRY_COUNT 5
+#define MPI3MR_MAX_RESET_RETRY_COUNT 3
+
+/* ResponseCode definitions */
+#define MPI3MR_RI_MASK_RESPCODE (0x000000FF)
+#define MPI3MR_RSP_IO_QUEUED_ON_IOC \
+ MPI3_SCSITASKMGMT_RSPCODE_IO_QUEUED_ON_IOC
+
+#define MPI3MR_DEFAULT_MDTS (128 * 1024)
+#define MPI3MR_DEFAULT_PGSZEXP (12)
+
+/* Command retry count definitions */
+#define MPI3MR_DEV_RMHS_RETRY_COUNT 3
+#define MPI3MR_PEL_RETRY_COUNT 3
+
+/* Default target device queue depth */
+#define MPI3MR_DEFAULT_SDEV_QD 32
+
+/* Definitions for Threaded IRQ poll*/
+#define MPI3MR_IRQ_POLL_SLEEP 2
+#define MPI3MR_IRQ_POLL_TRIGGER_IOCOUNT 8
+
+/* Definitions for the controller security status*/
+#define MPI3MR_CTLR_SECURITY_STATUS_MASK 0x0C
+#define MPI3MR_CTLR_SECURE_DBG_STATUS_MASK 0x02
+
+#define MPI3MR_INVALID_DEVICE 0x00
+#define MPI3MR_CONFIG_SECURE_DEVICE 0x04
+#define MPI3MR_HARD_SECURE_DEVICE 0x08
+#define MPI3MR_TAMPERED_DEVICE 0x0C
+
+/* SGE Flag definition */
+#define MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST \
+ (MPI3_SGE_FLAGS_ELEMENT_TYPE_SIMPLE | MPI3_SGE_FLAGS_DLAS_SYSTEM | \
+ MPI3_SGE_FLAGS_END_OF_LIST)
+
+/* MSI Index from Reply Queue Index */
+#define REPLY_QUEUE_IDX_TO_MSIX_IDX(qidx, offset) (qidx + offset)
+
+/*
+ * Maximum data transfer size definitions for management
+ * application commands
+ */
+#define MPI3MR_MAX_APP_XFER_SIZE (1 * 1024 * 1024)
+#define MPI3MR_MAX_APP_XFER_SEGMENTS 512
+/*
+ * 2048 sectors are for data buffers and additional 512 sectors for
+ * other buffers
+ */
+#define MPI3MR_MAX_APP_XFER_SECTORS (2048 + 512)
+
+/**
+ * struct mpi3mr_nvme_pt_sge - Structure to store SGEs for NVMe
+ * Encapsulated commands.
+ *
+ * @base_addr: Physical address
+ * @length: SGE length
+ * @rsvd: Reserved
+ * @rsvd1: Reserved
+ * @sgl_type: sgl type
+ */
+struct mpi3mr_nvme_pt_sge {
+ u64 base_addr;
+ u32 length;
+ u16 rsvd;
+ u8 rsvd1;
+ u8 sgl_type;
+};
+
+/**
+ * struct mpi3mr_buf_map - local structure to
+ * track kernel and user buffers associated with an BSG
+ * structure.
+ *
+ * @bsg_buf: BSG buffer virtual address
+ * @bsg_buf_len: BSG buffer length
+ * @kern_buf: Kernel buffer virtual address
+ * @kern_buf_len: Kernel buffer length
+ * @kern_buf_dma: Kernel buffer DMA address
+ * @data_dir: Data direction.
+ */
+struct mpi3mr_buf_map {
+ void *bsg_buf;
+ u32 bsg_buf_len;
+ void *kern_buf;
+ u32 kern_buf_len;
+ dma_addr_t kern_buf_dma;
+ u8 data_dir;
+};
+
+/* IOC State definitions */
+enum mpi3mr_iocstate {
+ MRIOC_STATE_READY = 1,
+ MRIOC_STATE_RESET,
+ MRIOC_STATE_FAULT,
+ MRIOC_STATE_BECOMING_READY,
+ MRIOC_STATE_RESET_REQUESTED,
+ MRIOC_STATE_UNRECOVERABLE,
+};
+
+/* Reset reason code definitions*/
+enum mpi3mr_reset_reason {
+ MPI3MR_RESET_FROM_BRINGUP = 1,
+ MPI3MR_RESET_FROM_FAULT_WATCH = 2,
+ MPI3MR_RESET_FROM_APP = 3,
+ MPI3MR_RESET_FROM_EH_HOS = 4,
+ MPI3MR_RESET_FROM_TM_TIMEOUT = 5,
+ MPI3MR_RESET_FROM_APP_TIMEOUT = 6,
+ MPI3MR_RESET_FROM_MUR_FAILURE = 7,
+ MPI3MR_RESET_FROM_CTLR_CLEANUP = 8,
+ MPI3MR_RESET_FROM_CIACTIV_FAULT = 9,
+ MPI3MR_RESET_FROM_PE_TIMEOUT = 10,
+ MPI3MR_RESET_FROM_TSU_TIMEOUT = 11,
+ MPI3MR_RESET_FROM_DELREQQ_TIMEOUT = 12,
+ MPI3MR_RESET_FROM_DELREPQ_TIMEOUT = 13,
+ MPI3MR_RESET_FROM_CREATEREPQ_TIMEOUT = 14,
+ MPI3MR_RESET_FROM_CREATEREQQ_TIMEOUT = 15,
+ MPI3MR_RESET_FROM_IOCFACTS_TIMEOUT = 16,
+ MPI3MR_RESET_FROM_IOCINIT_TIMEOUT = 17,
+ MPI3MR_RESET_FROM_EVTNOTIFY_TIMEOUT = 18,
+ MPI3MR_RESET_FROM_EVTACK_TIMEOUT = 19,
+ MPI3MR_RESET_FROM_CIACTVRST_TIMER = 20,
+ MPI3MR_RESET_FROM_GETPKGVER_TIMEOUT = 21,
+ MPI3MR_RESET_FROM_PELABORT_TIMEOUT = 22,
+ MPI3MR_RESET_FROM_SYSFS = 23,
+ MPI3MR_RESET_FROM_SYSFS_TIMEOUT = 24,
+ MPI3MR_RESET_FROM_FIRMWARE = 27,
+ MPI3MR_RESET_FROM_CFG_REQ_TIMEOUT = 29,
+ MPI3MR_RESET_FROM_SAS_TRANSPORT_TIMEOUT = 30,
+};
+
+/* Queue type definitions */
+enum queue_type {
+ MPI3MR_DEFAULT_QUEUE = 0,
+ MPI3MR_POLL_QUEUE,
+};
+
+/**
+ * struct mpi3mr_compimg_ver - replica of component image
+ * version defined in mpi30_image.h in host endianness
+ *
+ */
+struct mpi3mr_compimg_ver {
+ u16 build_num;
+ u16 cust_id;
+ u8 ph_minor;
+ u8 ph_major;
+ u8 gen_minor;
+ u8 gen_major;
+};
+
+/**
+ * struct mpi3mr_ioc_facs - replica of component image version
+ * defined in mpi30_ioc.h in host endianness
+ *
+ */
+struct mpi3mr_ioc_facts {
+ u32 ioc_capabilities;
+ struct mpi3mr_compimg_ver fw_ver;
+ u32 mpi_version;
+ u16 max_reqs;
+ u16 product_id;
+ u16 op_req_sz;
+ u16 reply_sz;
+ u16 exceptions;
+ u16 max_perids;
+ u16 max_pds;
+ u16 max_sasexpanders;
+ u16 max_sasinitiators;
+ u16 max_enclosures;
+ u16 max_pcie_switches;
+ u16 max_nvme;
+ u16 max_vds;
+ u16 max_hpds;
+ u16 max_advhpds;
+ u16 max_raid_pds;
+ u16 min_devhandle;
+ u16 max_devhandle;
+ u16 max_op_req_q;
+ u16 max_op_reply_q;
+ u16 shutdown_timeout;
+ u8 ioc_num;
+ u8 who_init;
+ u16 max_msix_vectors;
+ u8 personality;
+ u8 dma_mask;
+ u8 protocol_flags;
+ u8 sge_mod_mask;
+ u8 sge_mod_value;
+ u8 sge_mod_shift;
+ u8 max_dev_per_tg;
+ u16 max_io_throttle_group;
+ u16 io_throttle_data_length;
+ u16 io_throttle_low;
+ u16 io_throttle_high;
+
+};
+
+/**
+ * struct segments - memory descriptor structure to store
+ * virtual and dma addresses for operational queue segments.
+ *
+ * @segment: virtual address
+ * @segment_dma: dma address
+ */
+struct segments {
+ void *segment;
+ dma_addr_t segment_dma;
+};
+
+/**
+ * struct op_req_qinfo - Operational Request Queue Information
+ *
+ * @ci: consumer index
+ * @pi: producer index
+ * @num_request: Maximum number of entries in the queue
+ * @qid: Queue Id starting from 1
+ * @reply_qid: Associated reply queue Id
+ * @num_segments: Number of discontiguous memory segments
+ * @segment_qd: Depth of each segments
+ * @q_lock: Concurrent queue access lock
+ * @q_segments: Segment descriptor pointer
+ * @q_segment_list: Segment list base virtual address
+ * @q_segment_list_dma: Segment list base DMA address
+ */
+struct op_req_qinfo {
+ u16 ci;
+ u16 pi;
+ u16 num_requests;
+ u16 qid;
+ u16 reply_qid;
+ u16 num_segments;
+ u16 segment_qd;
+ spinlock_t q_lock;
+ struct segments *q_segments;
+ void *q_segment_list;
+ dma_addr_t q_segment_list_dma;
+};
+
+/**
+ * struct op_reply_qinfo - Operational Reply Queue Information
+ *
+ * @ci: consumer index
+ * @qid: Queue Id starting from 1
+ * @num_replies: Maximum number of entries in the queue
+ * @num_segments: Number of discontiguous memory segments
+ * @segment_qd: Depth of each segments
+ * @q_segments: Segment descriptor pointer
+ * @q_segment_list: Segment list base virtual address
+ * @q_segment_list_dma: Segment list base DMA address
+ * @ephase: Expected phased identifier for the reply queue
+ * @pend_ios: Number of IOs pending in HW for this queue
+ * @enable_irq_poll: Flag to indicate polling is enabled
+ * @in_use: Queue is handled by poll/ISR
+ * @qtype: Type of queue (types defined in enum queue_type)
+ */
+struct op_reply_qinfo {
+ u16 ci;
+ u16 qid;
+ u16 num_replies;
+ u16 num_segments;
+ u16 segment_qd;
+ struct segments *q_segments;
+ void *q_segment_list;
+ dma_addr_t q_segment_list_dma;
+ u8 ephase;
+ atomic_t pend_ios;
+ bool enable_irq_poll;
+ atomic_t in_use;
+ enum queue_type qtype;
+};
+
+/**
+ * struct mpi3mr_intr_info - Interrupt cookie information
+ *
+ * @mrioc: Adapter instance reference
+ * @os_irq: irq number
+ * @msix_index: MSIx index
+ * @op_reply_q: Associated operational reply queue
+ * @name: Dev name for the irq claiming device
+ */
+struct mpi3mr_intr_info {
+ struct mpi3mr_ioc *mrioc;
+ int os_irq;
+ u16 msix_index;
+ struct op_reply_qinfo *op_reply_q;
+ char name[MPI3MR_NAME_LENGTH];
+};
+
+/**
+ * struct mpi3mr_throttle_group_info - Throttle group info
+ *
+ * @io_divert: Flag indicates io divert is on or off for the TG
+ * @need_qd_reduction: Flag to indicate QD reduction is needed
+ * @qd_reduction: Queue Depth reduction in units of 10%
+ * @fw_qd: QueueDepth value reported by the firmware
+ * @modified_qd: Modified QueueDepth value due to throttling
+ * @id: Throttle Group ID.
+ * @high: High limit to turn on throttling in 512 byte blocks
+ * @low: Low limit to turn off throttling in 512 byte blocks
+ * @pend_large_data_sz: Counter to track pending large data
+ */
+struct mpi3mr_throttle_group_info {
+ u8 io_divert;
+ u8 need_qd_reduction;
+ u8 qd_reduction;
+ u16 fw_qd;
+ u16 modified_qd;
+ u16 id;
+ u32 high;
+ u32 low;
+ atomic_t pend_large_data_sz;
+};
+
+/* HBA port flags */
+#define MPI3MR_HBA_PORT_FLAG_DIRTY 0x01
+
+/**
+ * struct mpi3mr_hba_port - HBA's port information
+ * @port_id: Port number
+ * @flags: HBA port flags
+ */
+struct mpi3mr_hba_port {
+ struct list_head list;
+ u8 port_id;
+ u8 flags;
+};
+
+/**
+ * struct mpi3mr_sas_port - Internal SAS port information
+ * @port_list: List of ports belonging to a SAS node
+ * @num_phys: Number of phys associated with port
+ * @marked_responding: used while refresing the sas ports
+ * @lowest_phy: lowest phy ID of current sas port
+ * @phy_mask: phy_mask of current sas port
+ * @hba_port: HBA port entry
+ * @remote_identify: Attached device identification
+ * @rphy: SAS transport layer rphy object
+ * @port: SAS transport layer port object
+ * @phy_list: mpi3mr_sas_phy objects belonging to this port
+ */
+struct mpi3mr_sas_port {
+ struct list_head port_list;
+ u8 num_phys;
+ u8 marked_responding;
+ int lowest_phy;
+ u32 phy_mask;
+ struct mpi3mr_hba_port *hba_port;
+ struct sas_identify remote_identify;
+ struct sas_rphy *rphy;
+ struct sas_port *port;
+ struct list_head phy_list;
+};
+
+/**
+ * struct mpi3mr_sas_phy - Internal SAS Phy information
+ * @port_siblings: List of phys belonging to a port
+ * @identify: Phy identification
+ * @remote_identify: Attached device identification
+ * @phy: SAS transport layer Phy object
+ * @phy_id: Unique phy id within a port
+ * @handle: Firmware device handle for this phy
+ * @attached_handle: Firmware device handle for attached device
+ * @phy_belongs_to_port: Flag to indicate phy belongs to port
+ @hba_port: HBA port entry
+ */
+struct mpi3mr_sas_phy {
+ struct list_head port_siblings;
+ struct sas_identify identify;
+ struct sas_identify remote_identify;
+ struct sas_phy *phy;
+ u8 phy_id;
+ u16 handle;
+ u16 attached_handle;
+ u8 phy_belongs_to_port;
+ struct mpi3mr_hba_port *hba_port;
+};
+
+/**
+ * struct mpi3mr_sas_node - SAS host/expander information
+ * @list: List of sas nodes in a controller
+ * @parent_dev: Parent device class
+ * @num_phys: Number phys belonging to sas_node
+ * @sas_address: SAS address of sas_node
+ * @handle: Firmware device handle for this sas_host/expander
+ * @sas_address_parent: SAS address of parent expander or host
+ * @enclosure_handle: Firmware handle of enclosure of this node
+ * @device_info: Capabilities of this sas_host/expander
+ * @non_responding: used to refresh the expander devices during reset
+ * @host_node: Flag to indicate this is a host_node
+ * @hba_port: HBA port entry
+ * @phy: A list of phys that make up this sas_host/expander
+ * @sas_port_list: List of internal ports of this node
+ * @rphy: sas_rphy object of this expander node
+ */
+struct mpi3mr_sas_node {
+ struct list_head list;
+ struct device *parent_dev;
+ u8 num_phys;
+ u64 sas_address;
+ u16 handle;
+ u64 sas_address_parent;
+ u16 enclosure_handle;
+ u64 enclosure_logical_id;
+ u8 non_responding;
+ u8 host_node;
+ struct mpi3mr_hba_port *hba_port;
+ struct mpi3mr_sas_phy *phy;
+ struct list_head sas_port_list;
+ struct sas_rphy *rphy;
+};
+
+/**
+ * struct mpi3mr_enclosure_node - enclosure information
+ * @list: List of enclosures
+ * @pg0: Enclosure page 0;
+ */
+struct mpi3mr_enclosure_node {
+ struct list_head list;
+ struct mpi3_enclosure_page0 pg0;
+};
+
+/**
+ * struct tgt_dev_sas_sata - SAS/SATA device specific
+ * information cached from firmware given data
+ *
+ * @sas_address: World wide unique SAS address
+ * @sas_address_parent: Sas address of parent expander or host
+ * @dev_info: Device information bits
+ * @phy_id: Phy identifier provided in device page 0
+ * @attached_phy_id: Attached phy identifier provided in device page 0
+ * @sas_transport_attached: Is this device exposed to transport
+ * @pend_sas_rphy_add: Flag to check device is in process of add
+ * @hba_port: HBA port entry
+ * @rphy: SAS transport layer rphy object
+ */
+struct tgt_dev_sas_sata {
+ u64 sas_address;
+ u64 sas_address_parent;
+ u16 dev_info;
+ u8 phy_id;
+ u8 attached_phy_id;
+ u8 sas_transport_attached;
+ u8 pend_sas_rphy_add;
+ struct mpi3mr_hba_port *hba_port;
+ struct sas_rphy *rphy;
+};
+
+/**
+ * struct tgt_dev_pcie - PCIe device specific information cached
+ * from firmware given data
+ *
+ * @mdts: Maximum data transfer size
+ * @capb: Device capabilities
+ * @pgsz: Device page size
+ * @abort_to: Timeout for abort TM
+ * @reset_to: Timeout for Target/LUN reset TM
+ * @dev_info: Device information bits
+ */
+struct tgt_dev_pcie {
+ u32 mdts;
+ u16 capb;
+ u8 pgsz;
+ u8 abort_to;
+ u8 reset_to;
+ u16 dev_info;
+};
+
+/**
+ * struct tgt_dev_vd - virtual device specific information
+ * cached from firmware given data
+ *
+ * @state: State of the VD
+ * @tg_qd_reduction: Queue Depth reduction in units of 10%
+ * @tg_id: VDs throttle group ID
+ * @high: High limit to turn on throttling in 512 byte blocks
+ * @low: Low limit to turn off throttling in 512 byte blocks
+ * @tg: Pointer to throttle group info
+ */
+struct tgt_dev_vd {
+ u8 state;
+ u8 tg_qd_reduction;
+ u16 tg_id;
+ u32 tg_high;
+ u32 tg_low;
+ struct mpi3mr_throttle_group_info *tg;
+};
+
+
+/**
+ * union _form_spec_inf - union of device specific information
+ */
+union _form_spec_inf {
+ struct tgt_dev_sas_sata sas_sata_inf;
+ struct tgt_dev_pcie pcie_inf;
+ struct tgt_dev_vd vd_inf;
+};
+
+
+
+/**
+ * struct mpi3mr_tgt_dev - target device data structure
+ *
+ * @list: List pointer
+ * @starget: Scsi_target pointer
+ * @dev_handle: FW device handle
+ * @parent_handle: FW parent device handle
+ * @slot: Slot number
+ * @encl_handle: FW enclosure handle
+ * @perst_id: FW assigned Persistent ID
+ * @devpg0_flag: Device Page0 flag
+ * @dev_type: SAS/SATA/PCIE device type
+ * @is_hidden: Should be exposed to upper layers or not
+ * @host_exposed: Already exposed to host or not
+ * @io_unit_port: IO Unit port ID
+ * @non_stl: Is this device not to be attached with SAS TL
+ * @io_throttle_enabled: I/O throttling needed or not
+ * @q_depth: Device specific Queue Depth
+ * @wwid: World wide ID
+ * @enclosure_logical_id: Enclosure logical identifier
+ * @dev_spec: Device type specific information
+ * @ref_count: Reference count
+ */
+struct mpi3mr_tgt_dev {
+ struct list_head list;
+ struct scsi_target *starget;
+ u16 dev_handle;
+ u16 parent_handle;
+ u16 slot;
+ u16 encl_handle;
+ u16 perst_id;
+ u16 devpg0_flag;
+ u8 dev_type;
+ u8 is_hidden;
+ u8 host_exposed;
+ u8 io_unit_port;
+ u8 non_stl;
+ u8 io_throttle_enabled;
+ u16 q_depth;
+ u64 wwid;
+ u64 enclosure_logical_id;
+ union _form_spec_inf dev_spec;
+ struct kref ref_count;
+};
+
+/**
+ * mpi3mr_tgtdev_get - k reference incrementor
+ * @s: Target device reference
+ *
+ * Increment target device reference count.
+ */
+static inline void mpi3mr_tgtdev_get(struct mpi3mr_tgt_dev *s)
+{
+ kref_get(&s->ref_count);
+}
+
+/**
+ * mpi3mr_free_tgtdev - target device memory dealloctor
+ * @r: k reference pointer of the target device
+ *
+ * Free target device memory when no reference.
+ */
+static inline void mpi3mr_free_tgtdev(struct kref *r)
+{
+ kfree(container_of(r, struct mpi3mr_tgt_dev, ref_count));
+}
+
+/**
+ * mpi3mr_tgtdev_put - k reference decrementor
+ * @s: Target device reference
+ *
+ * Decrement target device reference count.
+ */
+static inline void mpi3mr_tgtdev_put(struct mpi3mr_tgt_dev *s)
+{
+ kref_put(&s->ref_count, mpi3mr_free_tgtdev);
+}
+
+
+/**
+ * struct mpi3mr_stgt_priv_data - SCSI target private structure
+ *
+ * @starget: Scsi_target pointer
+ * @dev_handle: FW device handle
+ * @perst_id: FW assigned Persistent ID
+ * @num_luns: Number of Logical Units
+ * @block_io: I/O blocked to the device or not
+ * @dev_removed: Device removed in the Firmware
+ * @dev_removedelay: Device is waiting to be removed in FW
+ * @dev_type: Device type
+ * @io_throttle_enabled: I/O throttling needed or not
+ * @io_divert: Flag indicates io divert is on or off for the dev
+ * @throttle_group: Pointer to throttle group info
+ * @tgt_dev: Internal target device pointer
+ * @pend_count: Counter to track pending I/Os during error
+ * handling
+ */
+struct mpi3mr_stgt_priv_data {
+ struct scsi_target *starget;
+ u16 dev_handle;
+ u16 perst_id;
+ u32 num_luns;
+ atomic_t block_io;
+ u8 dev_removed;
+ u8 dev_removedelay;
+ u8 dev_type;
+ u8 io_throttle_enabled;
+ u8 io_divert;
+ struct mpi3mr_throttle_group_info *throttle_group;
+ struct mpi3mr_tgt_dev *tgt_dev;
+ u32 pend_count;
+};
+
+/**
+ * struct mpi3mr_stgt_priv_data - SCSI device private structure
+ *
+ * @tgt_priv_data: Scsi_target private data pointer
+ * @lun_id: LUN ID of the device
+ * @ncq_prio_enable: NCQ priority enable for SATA device
+ * @pend_count: Counter to track pending I/Os during error
+ * handling
+ */
+struct mpi3mr_sdev_priv_data {
+ struct mpi3mr_stgt_priv_data *tgt_priv_data;
+ u32 lun_id;
+ u8 ncq_prio_enable;
+ u32 pend_count;
+};
+
+/**
+ * struct mpi3mr_drv_cmd - Internal command tracker
+ *
+ * @mutex: Command mutex
+ * @done: Completeor for wakeup
+ * @reply: Firmware reply for internal commands
+ * @sensebuf: Sensebuf for SCSI IO commands
+ * @iou_rc: IO Unit control reason code
+ * @state: Command State
+ * @dev_handle: Firmware handle for device specific commands
+ * @ioc_status: IOC status from the firmware
+ * @ioc_loginfo:IOC log info from the firmware
+ * @is_waiting: Is the command issued in block mode
+ * @is_sense: Is Sense data present
+ * @retry_count: Retry count for retriable commands
+ * @host_tag: Host tag used by the command
+ * @callback: Callback for non blocking commands
+ */
+struct mpi3mr_drv_cmd {
+ struct mutex mutex;
+ struct completion done;
+ void *reply;
+ u8 *sensebuf;
+ u8 iou_rc;
+ u16 state;
+ u16 dev_handle;
+ u16 ioc_status;
+ u32 ioc_loginfo;
+ u8 is_waiting;
+ u8 is_sense;
+ u8 retry_count;
+ u16 host_tag;
+
+ void (*callback)(struct mpi3mr_ioc *mrioc,
+ struct mpi3mr_drv_cmd *drv_cmd);
+};
+
+/**
+ * struct dma_memory_desc - memory descriptor structure to store
+ * virtual address, dma address and size for any generic dma
+ * memory allocations in the driver.
+ *
+ * @size: buffer size
+ * @addr: virtual address
+ * @dma_addr: dma address
+ */
+struct dma_memory_desc {
+ u32 size;
+ void *addr;
+ dma_addr_t dma_addr;
+};
+
+
+/**
+ * struct chain_element - memory descriptor structure to store
+ * virtual and dma addresses for chain elements.
+ *
+ * @addr: virtual address
+ * @dma_addr: dma address
+ */
+struct chain_element {
+ void *addr;
+ dma_addr_t dma_addr;
+};
+
+/**
+ * struct scmd_priv - SCSI command private data
+ *
+ * @host_tag: Host tag specific to operational queue
+ * @in_lld_scope: Command in LLD scope or not
+ * @meta_sg_valid: DIX command with meta data SGL or not
+ * @scmd: SCSI Command pointer
+ * @req_q_idx: Operational request queue index
+ * @chain_idx: Chain frame index
+ * @meta_chain_idx: Chain frame index of meta data SGL
+ * @mpi3mr_scsiio_req: MPI SCSI IO request
+ */
+struct scmd_priv {
+ u16 host_tag;
+ u8 in_lld_scope;
+ u8 meta_sg_valid;
+ struct scsi_cmnd *scmd;
+ u16 req_q_idx;
+ int chain_idx;
+ int meta_chain_idx;
+ u8 mpi3mr_scsiio_req[MPI3MR_ADMIN_REQ_FRAME_SZ];
+};
+
+/**
+ * struct mpi3mr_ioc - Adapter anchor structure stored in shost
+ * private data
+ *
+ * @list: List pointer
+ * @pdev: PCI device pointer
+ * @shost: Scsi_Host pointer
+ * @id: Controller ID
+ * @cpu_count: Number of online CPUs
+ * @irqpoll_sleep: usleep unit used in threaded isr irqpoll
+ * @name: Controller ASCII name
+ * @driver_name: Driver ASCII name
+ * @sysif_regs: System interface registers virtual address
+ * @sysif_regs_phys: System interface registers physical address
+ * @bars: PCI BARS
+ * @dma_mask: DMA mask
+ * @msix_count: Number of MSIX vectors used
+ * @intr_enabled: Is interrupts enabled
+ * @num_admin_req: Number of admin requests
+ * @admin_req_q_sz: Admin request queue size
+ * @admin_req_pi: Admin request queue producer index
+ * @admin_req_ci: Admin request queue consumer index
+ * @admin_req_base: Admin request queue base virtual address
+ * @admin_req_dma: Admin request queue base dma address
+ * @admin_req_lock: Admin queue access lock
+ * @num_admin_replies: Number of admin replies
+ * @admin_reply_q_sz: Admin reply queue size
+ * @admin_reply_ci: Admin reply queue consumer index
+ * @admin_reply_ephase:Admin reply queue expected phase
+ * @admin_reply_base: Admin reply queue base virtual address
+ * @admin_reply_dma: Admin reply queue base dma address
+ * @admin_reply_q_in_use: Queue is handled by poll/ISR
+ * @ready_timeout: Controller ready timeout
+ * @intr_info: Interrupt cookie pointer
+ * @intr_info_count: Number of interrupt cookies
+ * @is_intr_info_set: Flag to indicate intr info is setup
+ * @num_queues: Number of operational queues
+ * @num_op_req_q: Number of operational request queues
+ * @req_qinfo: Operational request queue info pointer
+ * @num_op_reply_q: Number of operational reply queues
+ * @op_reply_qinfo: Operational reply queue info pointer
+ * @init_cmds: Command tracker for initialization commands
+ * @cfg_cmds: Command tracker for configuration requests
+ * @facts: Cached IOC facts data
+ * @op_reply_desc_sz: Operational reply descriptor size
+ * @num_reply_bufs: Number of reply buffers allocated
+ * @reply_buf_pool: Reply buffer pool
+ * @reply_buf: Reply buffer base virtual address
+ * @reply_buf_dma: Reply buffer DMA address
+ * @reply_buf_dma_max_address: Reply DMA address max limit
+ * @reply_free_qsz: Reply free queue size
+ * @reply_free_q_pool: Reply free queue pool
+ * @reply_free_q: Reply free queue base virtual address
+ * @reply_free_q_dma: Reply free queue base DMA address
+ * @reply_free_queue_lock: Reply free queue lock
+ * @reply_free_queue_host_index: Reply free queue host index
+ * @num_sense_bufs: Number of sense buffers
+ * @sense_buf_pool: Sense buffer pool
+ * @sense_buf: Sense buffer base virtual address
+ * @sense_buf_dma: Sense buffer base DMA address
+ * @sense_buf_q_sz: Sense buffer queue size
+ * @sense_buf_q_pool: Sense buffer queue pool
+ * @sense_buf_q: Sense buffer queue virtual address
+ * @sense_buf_q_dma: Sense buffer queue DMA address
+ * @sbq_lock: Sense buffer queue lock
+ * @sbq_host_index: Sense buffer queuehost index
+ * @event_masks: Event mask bitmap
+ * @fwevt_worker_name: Firmware event worker thread name
+ * @fwevt_worker_thread: Firmware event worker thread
+ * @fwevt_lock: Firmware event lock
+ * @fwevt_list: Firmware event list
+ * @watchdog_work_q_name: Fault watchdog worker thread name
+ * @watchdog_work_q: Fault watchdog worker thread
+ * @watchdog_work: Fault watchdog work
+ * @watchdog_lock: Fault watchdog lock
+ * @is_driver_loading: Is driver still loading
+ * @scan_started: Async scan started
+ * @scan_failed: Asycn scan failed
+ * @stop_drv_processing: Stop all command processing
+ * @device_refresh_on: Don't process the events until devices are refreshed
+ * @max_host_ios: Maximum host I/O count
+ * @chain_buf_count: Chain buffer count
+ * @chain_buf_pool: Chain buffer pool
+ * @chain_sgl_list: Chain SGL list
+ * @chain_bitmap: Chain buffer allocator bitmap
+ * @chain_buf_lock: Chain buffer list lock
+ * @bsg_cmds: Command tracker for BSG command
+ * @host_tm_cmds: Command tracker for task management commands
+ * @dev_rmhs_cmds: Command tracker for device removal commands
+ * @evtack_cmds: Command tracker for event ack commands
+ * @devrem_bitmap: Device removal bitmap
+ * @dev_handle_bitmap_bits: Number of bits in device handle bitmap
+ * @removepend_bitmap: Remove pending bitmap
+ * @delayed_rmhs_list: Delayed device removal list
+ * @evtack_cmds_bitmap: Event Ack bitmap
+ * @delayed_evtack_cmds_list: Delayed event acknowledgment list
+ * @ts_update_counter: Timestamp update counter
+ * @reset_in_progress: Reset in progress flag
+ * @unrecoverable: Controller unrecoverable flag
+ * @prev_reset_result: Result of previous reset
+ * @reset_mutex: Controller reset mutex
+ * @reset_waitq: Controller reset wait queue
+ * @prepare_for_reset: Prepare for reset event received
+ * @prepare_for_reset_timeout_counter: Prepare for reset timeout
+ * @prp_list_virt: NVMe encapsulated PRP list virtual base
+ * @prp_list_dma: NVMe encapsulated PRP list DMA
+ * @prp_sz: NVME encapsulated PRP list size
+ * @diagsave_timeout: Diagnostic information save timeout
+ * @logging_level: Controller debug logging level
+ * @flush_io_count: I/O count to flush after reset
+ * @current_event: Firmware event currently in process
+ * @driver_info: Driver, Kernel, OS information to firmware
+ * @change_count: Topology change count
+ * @pel_enabled: Persistent Event Log(PEL) enabled or not
+ * @pel_abort_requested: PEL abort is requested or not
+ * @pel_class: PEL Class identifier
+ * @pel_locale: PEL Locale identifier
+ * @pel_cmds: Command tracker for PEL wait command
+ * @pel_abort_cmd: Command tracker for PEL abort command
+ * @pel_newest_seqnum: Newest PEL sequenece number
+ * @pel_seqnum_virt: PEL sequence number virtual address
+ * @pel_seqnum_dma: PEL sequence number DMA address
+ * @pel_seqnum_sz: PEL sequenece number size
+ * @op_reply_q_offset: Operational reply queue offset with MSIx
+ * @default_qcount: Total Default queues
+ * @active_poll_qcount: Currently active poll queue count
+ * @requested_poll_qcount: User requested poll queue count
+ * @bsg_dev: BSG device structure
+ * @bsg_queue: Request queue for BSG device
+ * @stop_bsgs: Stop BSG request flag
+ * @logdata_buf: Circular buffer to store log data entries
+ * @logdata_buf_idx: Index of entry in buffer to store
+ * @logdata_entry_sz: log data entry size
+ * @pend_large_data_sz: Counter to track pending large data
+ * @io_throttle_data_length: I/O size to track in 512b blocks
+ * @io_throttle_high: I/O size to start throttle in 512b blocks
+ * @io_throttle_low: I/O size to stop throttle in 512b blocks
+ * @num_io_throttle_group: Maximum number of throttle groups
+ * @throttle_groups: Pointer to throttle group info structures
+ * @cfg_page: Default memory for configuration pages
+ * @cfg_page_dma: Configuration page DMA address
+ * @cfg_page_sz: Default configuration page memory size
+ * @sas_transport_enabled: SAS transport enabled or not
+ * @scsi_device_channel: Channel ID for SCSI devices
+ * @transport_cmds: Command tracker for SAS transport commands
+ * @sas_hba: SAS node for the controller
+ * @sas_expander_list: SAS node list of expanders
+ * @sas_node_lock: Lock to protect SAS node list
+ * @hba_port_table_list: List of HBA Ports
+ * @enclosure_list: List of Enclosure objects
+ */
+struct mpi3mr_ioc {
+ struct list_head list;
+ struct pci_dev *pdev;
+ struct Scsi_Host *shost;
+ u8 id;
+ int cpu_count;
+ bool enable_segqueue;
+ u32 irqpoll_sleep;
+
+ char name[MPI3MR_NAME_LENGTH];
+ char driver_name[MPI3MR_NAME_LENGTH];
+
+ volatile struct mpi3_sysif_registers __iomem *sysif_regs;
+ resource_size_t sysif_regs_phys;
+ int bars;
+ u64 dma_mask;
+
+ u16 msix_count;
+ u8 intr_enabled;
+
+ u16 num_admin_req;
+ u32 admin_req_q_sz;
+ u16 admin_req_pi;
+ u16 admin_req_ci;
+ void *admin_req_base;
+ dma_addr_t admin_req_dma;
+ spinlock_t admin_req_lock;
+
+ u16 num_admin_replies;
+ u32 admin_reply_q_sz;
+ u16 admin_reply_ci;
+ u8 admin_reply_ephase;
+ void *admin_reply_base;
+ dma_addr_t admin_reply_dma;
+ atomic_t admin_reply_q_in_use;
+
+ u32 ready_timeout;
+
+ struct mpi3mr_intr_info *intr_info;
+ u16 intr_info_count;
+ bool is_intr_info_set;
+
+ u16 num_queues;
+ u16 num_op_req_q;
+ struct op_req_qinfo *req_qinfo;
+
+ u16 num_op_reply_q;
+ struct op_reply_qinfo *op_reply_qinfo;
+
+ struct mpi3mr_drv_cmd init_cmds;
+ struct mpi3mr_drv_cmd cfg_cmds;
+ struct mpi3mr_ioc_facts facts;
+ u16 op_reply_desc_sz;
+
+ u32 num_reply_bufs;
+ struct dma_pool *reply_buf_pool;
+ u8 *reply_buf;
+ dma_addr_t reply_buf_dma;
+ dma_addr_t reply_buf_dma_max_address;
+
+ u16 reply_free_qsz;
+ u16 reply_sz;
+ struct dma_pool *reply_free_q_pool;
+ __le64 *reply_free_q;
+ dma_addr_t reply_free_q_dma;
+ spinlock_t reply_free_queue_lock;
+ u32 reply_free_queue_host_index;
+
+ u32 num_sense_bufs;
+ struct dma_pool *sense_buf_pool;
+ u8 *sense_buf;
+ dma_addr_t sense_buf_dma;
+
+ u16 sense_buf_q_sz;
+ struct dma_pool *sense_buf_q_pool;
+ __le64 *sense_buf_q;
+ dma_addr_t sense_buf_q_dma;
+ spinlock_t sbq_lock;
+ u32 sbq_host_index;
+ u32 event_masks[MPI3_EVENT_NOTIFY_EVENTMASK_WORDS];
+
+ char fwevt_worker_name[MPI3MR_NAME_LENGTH];
+ struct workqueue_struct *fwevt_worker_thread;
+ spinlock_t fwevt_lock;
+ struct list_head fwevt_list;
+
+ char watchdog_work_q_name[20];
+ struct workqueue_struct *watchdog_work_q;
+ struct delayed_work watchdog_work;
+ spinlock_t watchdog_lock;
+
+ u8 is_driver_loading;
+ u8 scan_started;
+ u16 scan_failed;
+ u8 stop_drv_processing;
+ u8 device_refresh_on;
+
+ u16 max_host_ios;
+ spinlock_t tgtdev_lock;
+ struct list_head tgtdev_list;
+
+ u32 chain_buf_count;
+ struct dma_pool *chain_buf_pool;
+ struct chain_element *chain_sgl_list;
+ void *chain_bitmap;
+ spinlock_t chain_buf_lock;
+
+ struct mpi3mr_drv_cmd bsg_cmds;
+ struct mpi3mr_drv_cmd host_tm_cmds;
+ struct mpi3mr_drv_cmd dev_rmhs_cmds[MPI3MR_NUM_DEVRMCMD];
+ struct mpi3mr_drv_cmd evtack_cmds[MPI3MR_NUM_EVTACKCMD];
+ void *devrem_bitmap;
+ u16 dev_handle_bitmap_bits;
+ void *removepend_bitmap;
+ struct list_head delayed_rmhs_list;
+ void *evtack_cmds_bitmap;
+ struct list_head delayed_evtack_cmds_list;
+
+ u32 ts_update_counter;
+ u8 reset_in_progress;
+ u8 unrecoverable;
+ int prev_reset_result;
+ struct mutex reset_mutex;
+ wait_queue_head_t reset_waitq;
+
+ u8 prepare_for_reset;
+ u16 prepare_for_reset_timeout_counter;
+
+ void *prp_list_virt;
+ dma_addr_t prp_list_dma;
+ u32 prp_sz;
+
+ u16 diagsave_timeout;
+ int logging_level;
+ u16 flush_io_count;
+
+ struct mpi3mr_fwevt *current_event;
+ struct mpi3_driver_info_layout driver_info;
+ u16 change_count;
+
+ u8 pel_enabled;
+ u8 pel_abort_requested;
+ u8 pel_class;
+ u16 pel_locale;
+ struct mpi3mr_drv_cmd pel_cmds;
+ struct mpi3mr_drv_cmd pel_abort_cmd;
+
+ u32 pel_newest_seqnum;
+ void *pel_seqnum_virt;
+ dma_addr_t pel_seqnum_dma;
+ u32 pel_seqnum_sz;
+
+ u16 op_reply_q_offset;
+ u16 default_qcount;
+ u16 active_poll_qcount;
+ u16 requested_poll_qcount;
+
+ struct device bsg_dev;
+ struct request_queue *bsg_queue;
+ u8 stop_bsgs;
+ u8 *logdata_buf;
+ u16 logdata_buf_idx;
+ u16 logdata_entry_sz;
+
+ atomic_t pend_large_data_sz;
+ u32 io_throttle_data_length;
+ u32 io_throttle_high;
+ u32 io_throttle_low;
+ u16 num_io_throttle_group;
+ struct mpi3mr_throttle_group_info *throttle_groups;
+
+ void *cfg_page;
+ dma_addr_t cfg_page_dma;
+ u16 cfg_page_sz;
+
+ u8 sas_transport_enabled;
+ u8 scsi_device_channel;
+ struct mpi3mr_drv_cmd transport_cmds;
+ struct mpi3mr_sas_node sas_hba;
+ struct list_head sas_expander_list;
+ spinlock_t sas_node_lock;
+ struct list_head hba_port_table_list;
+ struct list_head enclosure_list;
+};
+
+/**
+ * struct mpi3mr_fwevt - Firmware event structure.
+ *
+ * @list: list head
+ * @work: Work structure
+ * @mrioc: Adapter instance reference
+ * @event_id: MPI3 firmware event ID
+ * @send_ack: Event acknowledgment required or not
+ * @process_evt: Bottomhalf processing required or not
+ * @evt_ctx: Event context to send in Ack
+ * @event_data_size: size of the event data in bytes
+ * @pending_at_sml: waiting for device add/remove API to complete
+ * @discard: discard this event
+ * @ref_count: kref count
+ * @event_data: Actual MPI3 event data
+ */
+struct mpi3mr_fwevt {
+ struct list_head list;
+ struct work_struct work;
+ struct mpi3mr_ioc *mrioc;
+ u16 event_id;
+ bool send_ack;
+ bool process_evt;
+ u32 evt_ctx;
+ u16 event_data_size;
+ bool pending_at_sml;
+ bool discard;
+ struct kref ref_count;
+ char event_data[] __aligned(4);
+};
+
+
+/**
+ * struct delayed_dev_rmhs_node - Delayed device removal node
+ *
+ * @list: list head
+ * @handle: Device handle
+ * @iou_rc: IO Unit Control Reason Code
+ */
+struct delayed_dev_rmhs_node {
+ struct list_head list;
+ u16 handle;
+ u8 iou_rc;
+};
+
+/**
+ * struct delayed_evt_ack_node - Delayed event ack node
+ * @list: list head
+ * @event: MPI3 event ID
+ * @event_ctx: event context
+ */
+struct delayed_evt_ack_node {
+ struct list_head list;
+ u8 event;
+ u32 event_ctx;
+};
+
+int mpi3mr_setup_resources(struct mpi3mr_ioc *mrioc);
+void mpi3mr_cleanup_resources(struct mpi3mr_ioc *mrioc);
+int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc);
+int mpi3mr_reinit_ioc(struct mpi3mr_ioc *mrioc, u8 is_resume);
+void mpi3mr_cleanup_ioc(struct mpi3mr_ioc *mrioc);
+int mpi3mr_issue_port_enable(struct mpi3mr_ioc *mrioc, u8 async);
+int mpi3mr_admin_request_post(struct mpi3mr_ioc *mrioc, void *admin_req,
+u16 admin_req_sz, u8 ignore_reset);
+int mpi3mr_op_request_post(struct mpi3mr_ioc *mrioc,
+ struct op_req_qinfo *opreqq, u8 *req);
+void mpi3mr_add_sg_single(void *paddr, u8 flags, u32 length,
+ dma_addr_t dma_addr);
+void mpi3mr_build_zero_len_sge(void *paddr);
+void *mpi3mr_get_sensebuf_virt_addr(struct mpi3mr_ioc *mrioc,
+ dma_addr_t phys_addr);
+void *mpi3mr_get_reply_virt_addr(struct mpi3mr_ioc *mrioc,
+ dma_addr_t phys_addr);
+void mpi3mr_repost_sense_buf(struct mpi3mr_ioc *mrioc,
+ u64 sense_buf_dma);
+
+void mpi3mr_memset_buffers(struct mpi3mr_ioc *mrioc);
+void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc);
+void mpi3mr_os_handle_events(struct mpi3mr_ioc *mrioc,
+ struct mpi3_event_notification_reply *event_reply);
+void mpi3mr_process_op_reply_desc(struct mpi3mr_ioc *mrioc,
+ struct mpi3_default_reply_descriptor *reply_desc,
+ u64 *reply_dma, u16 qidx);
+void mpi3mr_start_watchdog(struct mpi3mr_ioc *mrioc);
+void mpi3mr_stop_watchdog(struct mpi3mr_ioc *mrioc);
+
+int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc,
+ u32 reset_reason, u8 snapdump);
+void mpi3mr_ioc_disable_intr(struct mpi3mr_ioc *mrioc);
+void mpi3mr_ioc_enable_intr(struct mpi3mr_ioc *mrioc);
+
+enum mpi3mr_iocstate mpi3mr_get_iocstate(struct mpi3mr_ioc *mrioc);
+int mpi3mr_process_event_ack(struct mpi3mr_ioc *mrioc, u8 event,
+ u32 event_ctx);
+
+void mpi3mr_wait_for_host_io(struct mpi3mr_ioc *mrioc, u32 timeout);
+void mpi3mr_cleanup_fwevt_list(struct mpi3mr_ioc *mrioc);
+void mpi3mr_flush_host_io(struct mpi3mr_ioc *mrioc);
+void mpi3mr_invalidate_devhandles(struct mpi3mr_ioc *mrioc);
+void mpi3mr_rfresh_tgtdevs(struct mpi3mr_ioc *mrioc);
+void mpi3mr_flush_delayed_cmd_lists(struct mpi3mr_ioc *mrioc);
+void mpi3mr_check_rh_fault_ioc(struct mpi3mr_ioc *mrioc, u32 reason_code);
+void mpi3mr_print_fault_info(struct mpi3mr_ioc *mrioc);
+void mpi3mr_check_rh_fault_ioc(struct mpi3mr_ioc *mrioc, u32 reason_code);
+int mpi3mr_process_op_reply_q(struct mpi3mr_ioc *mrioc,
+ struct op_reply_qinfo *op_reply_q);
+int mpi3mr_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num);
+void mpi3mr_bsg_init(struct mpi3mr_ioc *mrioc);
+void mpi3mr_bsg_exit(struct mpi3mr_ioc *mrioc);
+int mpi3mr_issue_tm(struct mpi3mr_ioc *mrioc, u8 tm_type,
+ u16 handle, uint lun, u16 htag, ulong timeout,
+ struct mpi3mr_drv_cmd *drv_cmd,
+ u8 *resp_code, struct scsi_cmnd *scmd);
+struct mpi3mr_tgt_dev *mpi3mr_get_tgtdev_by_handle(
+ struct mpi3mr_ioc *mrioc, u16 handle);
+void mpi3mr_pel_get_seqnum_complete(struct mpi3mr_ioc *mrioc,
+ struct mpi3mr_drv_cmd *drv_cmd);
+int mpi3mr_pel_get_seqnum_post(struct mpi3mr_ioc *mrioc,
+ struct mpi3mr_drv_cmd *drv_cmd);
+void mpi3mr_app_save_logdata(struct mpi3mr_ioc *mrioc, char *event_data,
+ u16 event_data_size);
+struct mpi3mr_enclosure_node *mpi3mr_enclosure_find_by_handle(
+ struct mpi3mr_ioc *mrioc, u16 handle);
+extern const struct attribute_group *mpi3mr_host_groups[];
+extern const struct attribute_group *mpi3mr_dev_groups[];
+
+extern struct sas_function_template mpi3mr_transport_functions;
+extern struct scsi_transport_template *mpi3mr_transport_template;
+
+int mpi3mr_cfg_get_dev_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
+ struct mpi3_device_page0 *dev_pg0, u16 pg_sz, u32 form, u32 form_spec);
+int mpi3mr_cfg_get_sas_phy_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
+ struct mpi3_sas_phy_page0 *phy_pg0, u16 pg_sz, u32 form,
+ u32 form_spec);
+int mpi3mr_cfg_get_sas_phy_pg1(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
+ struct mpi3_sas_phy_page1 *phy_pg1, u16 pg_sz, u32 form,
+ u32 form_spec);
+int mpi3mr_cfg_get_sas_exp_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
+ struct mpi3_sas_expander_page0 *exp_pg0, u16 pg_sz, u32 form,
+ u32 form_spec);
+int mpi3mr_cfg_get_sas_exp_pg1(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
+ struct mpi3_sas_expander_page1 *exp_pg1, u16 pg_sz, u32 form,
+ u32 form_spec);
+int mpi3mr_cfg_get_enclosure_pg0(struct mpi3mr_ioc *mrioc, u16 *ioc_status,
+ struct mpi3_enclosure_page0 *encl_pg0, u16 pg_sz, u32 form,
+ u32 form_spec);
+int mpi3mr_cfg_get_sas_io_unit_pg0(struct mpi3mr_ioc *mrioc,
+ struct mpi3_sas_io_unit_page0 *sas_io_unit_pg0, u16 pg_sz);
+int mpi3mr_cfg_get_sas_io_unit_pg1(struct mpi3mr_ioc *mrioc,
+ struct mpi3_sas_io_unit_page1 *sas_io_unit_pg1, u16 pg_sz);
+int mpi3mr_cfg_set_sas_io_unit_pg1(struct mpi3mr_ioc *mrioc,
+ struct mpi3_sas_io_unit_page1 *sas_io_unit_pg1, u16 pg_sz);
+int mpi3mr_cfg_get_driver_pg1(struct mpi3mr_ioc *mrioc,
+ struct mpi3_driver_page1 *driver_pg1, u16 pg_sz);
+
+u8 mpi3mr_is_expander_device(u16 device_info);
+int mpi3mr_expander_add(struct mpi3mr_ioc *mrioc, u16 handle);
+void mpi3mr_expander_remove(struct mpi3mr_ioc *mrioc, u64 sas_address,
+ struct mpi3mr_hba_port *hba_port);
+struct mpi3mr_sas_node *__mpi3mr_expander_find_by_handle(struct mpi3mr_ioc
+ *mrioc, u16 handle);
+struct mpi3mr_hba_port *mpi3mr_get_hba_port_by_id(struct mpi3mr_ioc *mrioc,
+ u8 port_id);
+void mpi3mr_sas_host_refresh(struct mpi3mr_ioc *mrioc);
+void mpi3mr_sas_host_add(struct mpi3mr_ioc *mrioc);
+void mpi3mr_update_links(struct mpi3mr_ioc *mrioc,
+ u64 sas_address_parent, u16 handle, u8 phy_number, u8 link_rate,
+ struct mpi3mr_hba_port *hba_port);
+void mpi3mr_remove_tgtdev_from_host(struct mpi3mr_ioc *mrioc,
+ struct mpi3mr_tgt_dev *tgtdev);
+int mpi3mr_report_tgtdev_to_sas_transport(struct mpi3mr_ioc *mrioc,
+ struct mpi3mr_tgt_dev *tgtdev);
+void mpi3mr_remove_tgtdev_from_sas_transport(struct mpi3mr_ioc *mrioc,
+ struct mpi3mr_tgt_dev *tgtdev);
+struct mpi3mr_tgt_dev *__mpi3mr_get_tgtdev_by_addr_and_rphy(
+ struct mpi3mr_ioc *mrioc, u64 sas_address, struct sas_rphy *rphy);
+void mpi3mr_print_device_event_notice(struct mpi3mr_ioc *mrioc,
+ bool device_add);
+void mpi3mr_refresh_sas_ports(struct mpi3mr_ioc *mrioc);
+void mpi3mr_refresh_expanders(struct mpi3mr_ioc *mrioc);
+void mpi3mr_add_event_wait_for_device_refresh(struct mpi3mr_ioc *mrioc);
+void mpi3mr_flush_drv_cmds(struct mpi3mr_ioc *mrioc);
+void mpi3mr_flush_cmds_for_unrecovered_controller(struct mpi3mr_ioc *mrioc);
+void mpi3mr_free_enclosure_list(struct mpi3mr_ioc *mrioc);
+int mpi3mr_process_admin_reply_q(struct mpi3mr_ioc *mrioc);
+void mpi3mr_expander_node_remove(struct mpi3mr_ioc *mrioc,
+ struct mpi3mr_sas_node *sas_expander);
+#endif /*MPI3MR_H_INCLUDED*/