Quelle mpi3mr.h
Sprache: C
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Driver for Broadcom MPI3 Storage Controllers
*
* Copyright ( C ) 2017 - 2023 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/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/aer.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/workqueue.h>
#include <linux/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 "mpi/mpi30_tool.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 "8.14.0.5.50"
#define MPI3MR_DRIVER_RELDATE "27-June-2025"
#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 64
#define IOCNAME "%s: "
#define MPI3MR_DEFAULT_MAX_IO_SIZE (1 * 1024 * 1024 )
/* Definitions for internal SGL and Chain SGL buffers */
#define MPI3MR_PAGE_SIZE_4K 4096
#define MPI3MR_DEFAULT_SGL_ENTRIES 256
#define MPI3MR_MAX_SGL_ENTRIES 2048
/* 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 (8 * 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_QD2K 2048
#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 0 xFFFF
#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_MUR_TIMEOUT 120
#define MPI3MR_RESET_TIMEOUT 510
#define MPI3MR_WATCHDOG_INTERVAL 1000 /* in milli seconds */
#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 0 x8000
#define MPI3MR_CMD_COMPLETE 0 x0001
#define MPI3MR_CMD_PENDING 0 x0002
#define MPI3MR_CMD_REPLY_VALID 0 x0004
#define MPI3MR_CMD_RESET 0 x0008
/* 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 0 xFFFF
/* 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 (0 x000000FF)
#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 20
#define MPI3MR_IRQ_POLL_TRIGGER_IOCOUNT 8
/* Definitions for the controller security status*/
#define MPI3MR_CTLR_SECURITY_STATUS_MASK 0 x0C
#define MPI3MR_CTLR_SECURE_DBG_STATUS_MASK 0 x02
#define MPI3MR_INVALID_DEVICE 0 x00
#define MPI3MR_CONFIG_SECURE_DEVICE 0 x04
#define MPI3MR_HARD_SECURE_DEVICE 0 x08
#define MPI3MR_TAMPERED_DEVICE 0 x0C
#define MPI3MR_DEFAULT_HDB_MAX_SZ (4 * 1024 * 1024 )
#define MPI3MR_DEFAULT_HDB_DEC_SZ (1 * 1024 * 1024 )
#define MPI3MR_DEFAULT_HDB_MIN_SZ (2 * 1024 * 1024 )
#define MPI3MR_MAX_NUM_HDB 2
#define MPI3MR_HDB_TRIGGER_TYPE_UNKNOWN 0
#define MPI3MR_HDB_TRIGGER_TYPE_FAULT 1
#define MPI3MR_HDB_TRIGGER_TYPE_ELEMENT 2
#define MPI3MR_HDB_TRIGGER_TYPE_GLOBAL 3
#define MPI3MR_HDB_TRIGGER_TYPE_SOFT_RESET 4
#define MPI3MR_HDB_TRIGGER_TYPE_FW_RELEASED 5
#define MPI3MR_HDB_REFRESH_TYPE_RESERVED 0
#define MPI3MR_HDB_REFRESH_TYPE_CURRENT 1
#define MPI3MR_HDB_REFRESH_TYPE_DEFAULT 2
#define MPI3MR_HDB_HDB_REFRESH_TYPE_PERSISTENT 3
#define MPI3MR_DEFAULT_HDB_SZ (4 * 1024 * 1024 )
#define MPI3MR_MAX_NUM_HDB 2
#define MPI3MR_HDB_QUERY_ELEMENT_TRIGGER_FORMAT_INDEX 0
#define MPI3MR_HDB_QUERY_ELEMENT_TRIGGER_FORMAT_DATA 1
#define MPI3MR_THRESHOLD_REPLY_COUNT 100
/* 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 )
#define MPI3MR_WRITE_SAME_MAX_LEN_256_BLKS 256
#define MPI3MR_WRITE_SAME_MAX_LEN_2048_BLKS 2048
#define MPI3MR_DRIVER_EVENT_PROCESS_TRIGGER (0 xFFFD)
/**
* struct mpi3mr_nvme_pt_sge - Structure to store SGEs for NVMe
* Encapsulated commands .
*
* @ base_addr : Physical address
* @ length : SGE length
* @ rsvd : Reserved
* @ rsvd1 : Reserved
* @ sub_type : sgl sub type
* @ type : sgl type
*/
struct mpi3mr_nvme_pt_sge {
__le64 base_addr;
__le32 length;
u16 rsvd;
u8 rsvd1;
u8 sub_type:4 ;
u8 type:4 ;
};
/**
* 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;
u16 num_dma_desc;
struct dma_memory_desc *dma_desc;
};
/* 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_DIAG_BUFFER_POST_TIMEOUT = 25 ,
MPI3MR_RESET_FROM_DIAG_BUFFER_RELEASE_TIMEOUT = 26 ,
MPI3MR_RESET_FROM_FIRMWARE = 27 ,
MPI3MR_RESET_FROM_CFG_REQ_TIMEOUT = 29 ,
MPI3MR_RESET_FROM_SAS_TRANSPORT_TIMEOUT = 30 ,
MPI3MR_RESET_FROM_TRIGGER = 31 ,
};
#define MPI3MR_RESET_REASON_OSTYPE_LINUX 1
#define MPI3MR_RESET_REASON_OSTYPE_SHIFT 28
#define MPI3MR_RESET_REASON_IOCNUM_SHIFT 20
/* 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;
u32 diag_trace_sz;
u32 diag_fw_sz;
u32 diag_drvr_sz;
u16 max_reqs;
u16 product_id;
u16 op_req_sz;
u16 reply_sz;
u16 exceptions;
u16 max_perids;
u16 max_pds;
u16 max_sasexpanders;
u32 max_data_length;
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;
bool max_req_limit;
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 )
* @ qfull_watermark : Watermark defined in reply queue to avoid
* reply queue full
*/
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;
u16 qfull_watermark;
};
/**
* 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 0 x01
#define MPI3MR_HBA_PORT_FLAG_NEW 0 x02
/* IOCTL data transfer sge*/
#define MPI3MR_NUM_IOCTL_SGE 256
#define MPI3MR_IOCTL_SGE_SIZE (8 * 1024 )
/**
* 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 , valid for controller port
* @ phy_mask : phy_mask of current sas port , valid for controller 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;
u64 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;
};
enum mpi3mr_dev_state {
MPI3MR_DEV_CREATED = 1 ,
MPI3MR_DEV_REMOVE_HS_STARTED = 2 ,
MPI3MR_DEV_DELETED = 3 ,
};
/**
* 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
* @ wslen : Write same max length
* @ 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
* @ state : device state
*/
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 wslen;
u16 q_depth;
u64 wwid;
u64 enclosure_logical_id;
union _form_spec_inf dev_spec;
struct kref ref_count;
enum mpi3mr_dev_state state;
};
/**
* 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
* @ dev_nvme_dif : Device is NVMe DIF enabled
* @ wslen : Write same max length
* @ 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 dev_nvme_dif;
u16 wslen;
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
* @ wslen : Write same max length
*/
struct mpi3mr_sdev_priv_data {
struct mpi3mr_stgt_priv_data *tgt_priv_data;
u32 lun_id;
u8 ncq_prio_enable;
u32 pend_count;
u16 wslen;
};
/**
* 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);
};
/**
* union mpi3mr_trigger_data - Trigger data information
* @ fault : Fault code
* @ global : Global trigger data
* @ element : element trigger data
*/
union mpi3mr_trigger_data {
u16 fault;
u64 global;
union mpi3_driver2_trigger_element element;
};
/**
* struct trigger_event_data - store trigger related
* information .
*
* @ trace_hdb : Trace diag buffer descriptor reference
* @ fw_hdb : FW diag buffer descriptor reference
* @ trigger_type : Trigger type
* @ trigger_specific_data : Trigger specific data
* @ snapdump : Snapdump enable or disable flag
*/
struct trigger_event_data {
struct diag_buffer_desc *trace_hdb;
struct diag_buffer_desc *fw_hdb;
u8 trigger_type;
union mpi3mr_trigger_data trigger_specific_data;
bool snapdump;
};
/**
* struct diag_buffer_desc - memory descriptor structure to
* store virtual , dma addresses , size , buffer status for host
* diagnostic buffers .
*
* @ type : Buffer type
* @ trigger_data : Trigger data
* @ trigger_type : Trigger type
* @ status : Buffer status
* @ size : Buffer size
* @ addr : Virtual address
* @ dma_addr : Buffer DMA address
* @ is_segmented : The buffer is segmented or not
* @ disabled_after_reset : The buffer is disabled after reset
*/
struct diag_buffer_desc {
u8 type;
union mpi3mr_trigger_data trigger_data;
u8 trigger_type;
u8 status;
u32 size;
void *addr;
dma_addr_t dma_addr;
bool is_segmented;
bool disabled_after_reset;
};
/**
* 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
* @ admin_pend_isr : Count of unprocessed admin ISR / poll calls
* due to another thread processing replies
* @ 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_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
* @ max_sgl_entries : Max SGL entries per I / O
* @ 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
* @ ts_update_interval : Timestamp update interval
* @ reset_in_progress : Reset in progress flag
* @ unrecoverable : Controller unrecoverable flag
* @ io_admin_reset_sync : Manage state of I / O ops during an admin reset process
* @ 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
* @ adm_req_q_bar_writeq_lock : Admin request queue lock
* @ adm_reply_q_bar_writeq_lock : Admin reply queue lock
* @ pend_large_data_sz : Counter to track pending large data
* @ io_throttle_data_length : I / O size to track in 512 b blocks
* @ io_throttle_high : I / O size to start throttle in 512 b blocks
* @ io_throttle_low : I / O size to stop throttle in 512 b blocks
* @ num_io_throttle_group : Maximum number of throttle groups
* @ throttle_groups : Pointer to throttle group info structures
* @ 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
* @ diag_buffers : Host diagnostic buffers
* @ driver_pg2 : Driver page 2 pointer
* @ reply_trigger_present : Reply trigger present flag
* @ event_trigger_present : Event trigger present flag
* @ scsisense_trigger_present : Scsi sense trigger present flag
* @ ioctl_dma_pool : DMA pool for IOCTL data buffers
* @ ioctl_sge : DMA buffer descriptors for IOCTL data
* @ ioctl_chain_sge : DMA buffer descriptor for IOCTL chain
* @ ioctl_resp_sge : DMA buffer descriptor for Mgmt cmd response
* @ ioctl_sges_allocated : Flag for IOCTL SGEs allocated or not
* @ trace_release_trigger_active : Trace trigger active flag
* @ fw_release_trigger_active : Fw release trigger active flag
* @ snapdump_trigger_active : Snapdump trigger active flag
* @ pci_err_recovery : PCI error recovery in progress
* @ block_on_pci_err : Block IO during PCI error recovery
* @ reply_qfull_count : Occurences of reply queue full avoidance kicking - in
* @ prevent_reply_qfull : Enable reply queue prevention
* @ seg_tb_support : Segmented trace buffer support
* @ num_tb_segs : Number of Segments in Trace buffer
* @ trace_buf_pool : DMA pool for Segmented trace buffer segments
* @ trace_buf : Trace buffer segments memory descriptor
*/
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];
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;
atomic_t admin_pend_isr;
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];
struct workqueue_struct *fwevt_worker_thread;
spinlock_t fwevt_lock;
struct list_head fwevt_list;
char watchdog_work_q_name[50 ];
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;
u16 max_sgl_entries;
u32 chain_buf_count;
struct dma_pool *chain_buf_pool;
struct chain_element *chain_sgl_list;
unsigned long *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];
unsigned long *devrem_bitmap;
u16 dev_handle_bitmap_bits;
unsigned long *removepend_bitmap;
struct list_head delayed_rmhs_list;
unsigned long *evtack_cmds_bitmap;
struct list_head delayed_evtack_cmds_list;
u16 ts_update_counter;
u16 ts_update_interval;
u8 reset_in_progress;
u8 unrecoverable;
u8 io_admin_reset_sync;
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;
spinlock_t adm_req_q_bar_writeq_lock;
spinlock_t adm_reply_q_bar_writeq_lock;
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;
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 dma_pool *ioctl_dma_pool;
struct dma_memory_desc ioctl_sge[MPI3MR_NUM_IOCTL_SGE];
struct dma_memory_desc ioctl_chain_sge;
struct dma_memory_desc ioctl_resp_sge;
bool ioctl_sges_allocated;
bool reply_trigger_present;
bool event_trigger_present;
bool scsisense_trigger_present;
struct diag_buffer_desc diag_buffers[MPI3MR_MAX_NUM_HDB];
struct mpi3_driver_page2 *driver_pg2;
spinlock_t trigger_lock;
bool snapdump_trigger_active;
bool trace_release_trigger_active;
bool fw_release_trigger_active;
bool pci_err_recovery;
bool block_on_pci_err;
atomic_t reply_qfull_count;
bool prevent_reply_qfull;
bool seg_tb_support;
u32 num_tb_segs;
struct dma_pool *trace_buf_pool;
struct segments *trace_buf;
};
/**
* 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,
u16 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_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);
int mpi3mr_cfg_get_driver_pg2(struct mpi3mr_ioc *mrioc,
struct mpi3_driver_page2 *driver_pg2, u16 pg_sz, u8 page_type);
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);
void mpi3mr_alloc_diag_bufs(struct mpi3mr_ioc *mrioc);
int mpi3mr_post_diag_bufs(struct mpi3mr_ioc *mrioc);
int mpi3mr_issue_diag_buf_release(struct mpi3mr_ioc *mrioc,
struct diag_buffer_desc *diag_buffer);
void mpi3mr_release_diag_bufs(struct mpi3mr_ioc *mrioc, u8 skip_rel_action);
void mpi3mr_set_trigger_data_in_hdb(struct diag_buffer_desc *hdb,
u8 type, union mpi3mr_trigger_data *trigger_data, bool force);
int mpi3mr_refresh_trigger(struct mpi3mr_ioc *mrioc, u8 page_type);
struct diag_buffer_desc *mpi3mr_diag_buffer_for_type(struct mpi3mr_ioc *mrioc,
u8 buf_type);
int mpi3mr_issue_diag_buf_post(struct mpi3mr_ioc *mrioc,
struct diag_buffer_desc *diag_buffer);
void mpi3mr_set_trigger_data_in_all_hdb(struct mpi3mr_ioc *mrioc,
u8 type, union mpi3mr_trigger_data *trigger_data, bool force);
void mpi3mr_reply_trigger(struct mpi3mr_ioc *mrioc, u16 iocstatus,
u32 iocloginfo);
void mpi3mr_hdb_trigger_data_event(struct mpi3mr_ioc *mrioc,
struct trigger_event_data *event_data);
void mpi3mr_scsisense_trigger(struct mpi3mr_ioc *mrioc, u8 senseky, u8 asc,
u8 ascq);
void mpi3mr_event_trigger(struct mpi3mr_ioc *mrioc, u8 event);
void mpi3mr_global_trigger(struct mpi3mr_ioc *mrioc, u64 trigger_data);
void mpi3mr_hdbstatuschg_evt_th(struct mpi3mr_ioc *mrioc,
struct mpi3_event_notification_reply *event_reply);
#endif /*MPI3MR_H_INCLUDED*/
Messung V0.5 in Prozent C=97 H=100 G=98
¤ Dauer der Verarbeitung: 0.78 Sekunden
(vorverarbeitet am 2026-09-27)
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*© Formatika GbR, Deutschland
2026-10-11
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