LXR linux/drivers/scsi/mpt3sas/mpt3sas

   1/*
   2 * This is the Fusion MPT base driver providing common API layer interface
   3 * for access to MPT (Message Passing Technology) firmware.
   4 *
   5 * This code is based on drivers/scsi/mpt3sas/mpt3sas_base.h
   6 * Copyright (C) 2012-2014  LSI Corporation
   7 * Copyright (C) 2013-2014 Avago Technologies
   8 *  (mailto: MPT-FusionLinux.pdl@avagotech.com)
   9 *
  10 * This program is free software; you can redistribute it and/or
  11 * modify it under the terms of the GNU General Public License
  12 * as published by the Free Software Foundation; either version 2
  13 * of the License, or (at your option) any later version.
  14 *
  15 * This program is distributed in the hope that it will be useful,
  16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 * GNU General Public License for more details.
  19 *
  20 * NO WARRANTY
  21 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
  22 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
  23 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
  24 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
  25 * solely responsible for determining the appropriateness of using and
  26 * distributing the Program and assumes all risks associated with its
  27 * exercise of rights under this Agreement, including but not limited to
  28 * the risks and costs of program errors, damage to or loss of data,
  29 * programs or equipment, and unavailability or interruption of operations.
  30
  31 * DISCLAIMER OF LIABILITY
  32 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
  33 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  34 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
  35 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  36 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  37 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
  38 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
  39
  40 * You should have received a copy of the GNU General Public License
  41 * along with this program; if not, write to the Free Software
  42 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
  43 * USA.
  44 */
  45
  46#ifndef MPT3SAS_BASE_H_INCLUDED
  47#define MPT3SAS_BASE_H_INCLUDED
  48
  49#include "mpi/mpi2_type.h"
  50#include "mpi/mpi2.h"
  51#include "mpi/mpi2_ioc.h"
  52#include "mpi/mpi2_cnfg.h"
  53#include "mpi/mpi2_init.h"
  54#include "mpi/mpi2_raid.h"
  55#include "mpi/mpi2_tool.h"
  56#include "mpi/mpi2_sas.h"
  57#include "mpi/mpi2_pci.h"
  58
  59#include <scsi/scsi.h>
  60#include <scsi/scsi_cmnd.h>
  61#include <scsi/scsi_device.h>
  62#include <scsi/scsi_host.h>
  63#include <scsi/scsi_tcq.h>
  64#include <scsi/scsi_transport_sas.h>
  65#include <scsi/scsi_dbg.h>
  66#include <scsi/scsi_eh.h>
  67#include <linux/pci.h>
  68#include <linux/poll.h>
  69
  70#include "mpt3sas_debug.h"
  71#include "mpt3sas_trigger_diag.h"
  72
  73/* driver versioning info */
  74#define MPT3SAS_DRIVER_NAME             "mpt3sas"
  75#define MPT3SAS_AUTHOR "Avago Technologies <MPT-FusionLinux.pdl@avagotech.com>"
  76#define MPT3SAS_DESCRIPTION     "LSI MPT Fusion SAS 3.0 Device Driver"
  77#define MPT3SAS_DRIVER_VERSION          "17.100.00.00"
  78#define MPT3SAS_MAJOR_VERSION           17
  79#define MPT3SAS_MINOR_VERSION           100
  80#define MPT3SAS_BUILD_VERSION           0
  81#define MPT3SAS_RELEASE_VERSION 00
  82
  83#define MPT2SAS_DRIVER_NAME             "mpt2sas"
  84#define MPT2SAS_DESCRIPTION     "LSI MPT Fusion SAS 2.0 Device Driver"
  85#define MPT2SAS_DRIVER_VERSION          "20.102.00.00"
  86#define MPT2SAS_MAJOR_VERSION           20
  87#define MPT2SAS_MINOR_VERSION           102
  88#define MPT2SAS_BUILD_VERSION           0
  89#define MPT2SAS_RELEASE_VERSION 00
  90
  91/*
  92 * Set MPT3SAS_SG_DEPTH value based on user input.
  93 */
  94#define MPT_MAX_PHYS_SEGMENTS   SG_CHUNK_SIZE
  95#define MPT_MIN_PHYS_SEGMENTS   16
  96#define MPT_KDUMP_MIN_PHYS_SEGMENTS     32
  97
  98#ifdef CONFIG_SCSI_MPT3SAS_MAX_SGE
  99#define MPT3SAS_SG_DEPTH                CONFIG_SCSI_MPT3SAS_MAX_SGE
 100#else
 101#define MPT3SAS_SG_DEPTH                MPT_MAX_PHYS_SEGMENTS
 102#endif
 103
 104#ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
 105#define MPT2SAS_SG_DEPTH                CONFIG_SCSI_MPT2SAS_MAX_SGE
 106#else
 107#define MPT2SAS_SG_DEPTH                MPT_MAX_PHYS_SEGMENTS
 108#endif
 109
 110/*
 111 * Generic Defines
 112 */
 113#define MPT3SAS_SATA_QUEUE_DEPTH        32
 114#define MPT3SAS_SAS_QUEUE_DEPTH         254
 115#define MPT3SAS_RAID_QUEUE_DEPTH        128
 116#define MPT3SAS_KDUMP_SCSI_IO_DEPTH     200
 117
 118#define MPT3SAS_RAID_MAX_SECTORS        8192
 119#define MPT3SAS_HOST_PAGE_SIZE_4K       12
 120#define MPT3SAS_NVME_QUEUE_DEPTH        128
 121#define MPT_NAME_LENGTH                 32      /* generic length of strings */
 122#define MPT_STRING_LENGTH               64
 123
 124#define MPT_MAX_CALLBACKS               32
 125
 126#define INTERNAL_CMDS_COUNT             10      /* reserved cmds */
 127/* reserved for issuing internally framed scsi io cmds */
 128#define INTERNAL_SCSIIO_CMDS_COUNT      3
 129
 130#define MPI3_HIM_MASK                   0xFFFFFFFF /* mask every bit*/
 131
 132#define MPT3SAS_INVALID_DEVICE_HANDLE   0xFFFF
 133
 134#define MAX_CHAIN_ELEMT_SZ              16
 135#define DEFAULT_NUM_FWCHAIN_ELEMTS      8
 136
 137/*
 138 * NVMe defines
 139 */
 140#define NVME_PRP_SIZE                   8       /* PRP size */
 141#define NVME_CMD_PRP1_OFFSET            24      /* PRP1 offset in NVMe cmd */
 142#define NVME_CMD_PRP2_OFFSET            32      /* PRP2 offset in NVMe cmd */
 143#define NVME_ERROR_RESPONSE_SIZE        16      /* Max NVME Error Response */
 144#define NVME_PRP_PAGE_SIZE              4096    /* Page size */
 145
 146/*
 147 * reset phases
 148 */
 149#define MPT3_IOC_PRE_RESET              1 /* prior to host reset */
 150#define MPT3_IOC_AFTER_RESET            2 /* just after host reset */
 151#define MPT3_IOC_DONE_RESET             3 /* links re-initialized */
 152
 153/*
 154 * logging format
 155 */
 156#define MPT3SAS_FMT                     "%s: "
 157
 158/*
 159 *  WarpDrive Specific Log codes
 160 */
 161
 162#define MPT2_WARPDRIVE_LOGENTRY         (0x8002)
 163#define MPT2_WARPDRIVE_LC_SSDT                  (0x41)
 164#define MPT2_WARPDRIVE_LC_SSDLW         (0x43)
 165#define MPT2_WARPDRIVE_LC_SSDLF         (0x44)
 166#define MPT2_WARPDRIVE_LC_BRMF                  (0x4D)
 167
 168/*
 169 * per target private data
 170 */
 171#define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
 172#define MPT_TARGET_FLAGS_VOLUME         0x02
 173#define MPT_TARGET_FLAGS_DELETED        0x04
 174#define MPT_TARGET_FASTPATH_IO          0x08
 175#define MPT_TARGET_FLAGS_PCIE_DEVICE    0x10
 176
 177#define SAS2_PCI_DEVICE_B0_REVISION     (0x01)
 178#define SAS3_PCI_DEVICE_C0_REVISION     (0x02)
 179
 180/*
 181 * Intel HBA branding
 182 */
 183#define MPT2SAS_INTEL_RMS25JB080_BRANDING    \
 184        "Intel(R) Integrated RAID Module RMS25JB080"
 185#define MPT2SAS_INTEL_RMS25JB040_BRANDING    \
 186        "Intel(R) Integrated RAID Module RMS25JB040"
 187#define MPT2SAS_INTEL_RMS25KB080_BRANDING    \
 188        "Intel(R) Integrated RAID Module RMS25KB080"
 189#define MPT2SAS_INTEL_RMS25KB040_BRANDING    \
 190        "Intel(R) Integrated RAID Module RMS25KB040"
 191#define MPT2SAS_INTEL_RMS25LB040_BRANDING       \
 192        "Intel(R) Integrated RAID Module RMS25LB040"
 193#define MPT2SAS_INTEL_RMS25LB080_BRANDING       \
 194        "Intel(R) Integrated RAID Module RMS25LB080"
 195#define MPT2SAS_INTEL_RMS2LL080_BRANDING        \
 196        "Intel Integrated RAID Module RMS2LL080"
 197#define MPT2SAS_INTEL_RMS2LL040_BRANDING        \
 198        "Intel Integrated RAID Module RMS2LL040"
 199#define MPT2SAS_INTEL_RS25GB008_BRANDING       \
 200        "Intel(R) RAID Controller RS25GB008"
 201#define MPT2SAS_INTEL_SSD910_BRANDING          \
 202        "Intel(R) SSD 910 Series"
 203
 204#define MPT3SAS_INTEL_RMS3JC080_BRANDING       \
 205        "Intel(R) Integrated RAID Module RMS3JC080"
 206#define MPT3SAS_INTEL_RS3GC008_BRANDING       \
 207        "Intel(R) RAID Controller RS3GC008"
 208#define MPT3SAS_INTEL_RS3FC044_BRANDING       \
 209        "Intel(R) RAID Controller RS3FC044"
 210#define MPT3SAS_INTEL_RS3UC080_BRANDING       \
 211        "Intel(R) RAID Controller RS3UC080"
 212
 213/*
 214 * Intel HBA SSDIDs
 215 */
 216#define MPT2SAS_INTEL_RMS25JB080_SSDID          0x3516
 217#define MPT2SAS_INTEL_RMS25JB040_SSDID          0x3517
 218#define MPT2SAS_INTEL_RMS25KB080_SSDID          0x3518
 219#define MPT2SAS_INTEL_RMS25KB040_SSDID          0x3519
 220#define MPT2SAS_INTEL_RMS25LB040_SSDID          0x351A
 221#define MPT2SAS_INTEL_RMS25LB080_SSDID          0x351B
 222#define MPT2SAS_INTEL_RMS2LL080_SSDID           0x350E
 223#define MPT2SAS_INTEL_RMS2LL040_SSDID           0x350F
 224#define MPT2SAS_INTEL_RS25GB008_SSDID           0x3000
 225#define MPT2SAS_INTEL_SSD910_SSDID              0x3700
 226
 227#define MPT3SAS_INTEL_RMS3JC080_SSDID           0x3521
 228#define MPT3SAS_INTEL_RS3GC008_SSDID            0x3522
 229#define MPT3SAS_INTEL_RS3FC044_SSDID            0x3523
 230#define MPT3SAS_INTEL_RS3UC080_SSDID            0x3524
 231
 232/*
 233 * Dell HBA branding
 234 */
 235#define MPT2SAS_DELL_BRANDING_SIZE                 32
 236
 237#define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING        "Dell 6Gbps SAS HBA"
 238#define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING    "Dell PERC H200 Adapter"
 239#define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
 240#define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING    "Dell PERC H200 Modular"
 241#define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING   "Dell PERC H200 Embedded"
 242#define MPT2SAS_DELL_PERC_H200_BRANDING            "Dell PERC H200"
 243#define MPT2SAS_DELL_6GBPS_SAS_BRANDING            "Dell 6Gbps SAS"
 244
 245#define MPT3SAS_DELL_12G_HBA_BRANDING       \
 246        "Dell 12Gbps HBA"
 247
 248/*
 249 * Dell HBA SSDIDs
 250 */
 251#define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID        0x1F1C
 252#define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID    0x1F1D
 253#define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E
 254#define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID    0x1F1F
 255#define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID   0x1F20
 256#define MPT2SAS_DELL_PERC_H200_SSDID            0x1F21
 257#define MPT2SAS_DELL_6GBPS_SAS_SSDID            0x1F22
 258
 259#define MPT3SAS_DELL_12G_HBA_SSDID              0x1F46
 260
 261/*
 262 * Cisco HBA branding
 263 */
 264#define MPT3SAS_CISCO_12G_8E_HBA_BRANDING               \
 265        "Cisco 9300-8E 12G SAS HBA"
 266#define MPT3SAS_CISCO_12G_8I_HBA_BRANDING               \
 267        "Cisco 9300-8i 12G SAS HBA"
 268#define MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING    \
 269        "Cisco 12G Modular SAS Pass through Controller"
 270#define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING         \
 271        "UCS C3X60 12G SAS Pass through Controller"
 272/*
 273 * Cisco HBA SSSDIDs
 274 */
 275#define MPT3SAS_CISCO_12G_8E_HBA_SSDID  0x14C
 276#define MPT3SAS_CISCO_12G_8I_HBA_SSDID  0x154
 277#define MPT3SAS_CISCO_12G_AVILA_HBA_SSDID  0x155
 278#define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_SSDID  0x156
 279
 280/*
 281 * status bits for ioc->diag_buffer_status
 282 */
 283#define MPT3_DIAG_BUFFER_IS_REGISTERED  (0x01)
 284#define MPT3_DIAG_BUFFER_IS_RELEASED    (0x02)
 285#define MPT3_DIAG_BUFFER_IS_DIAG_RESET  (0x04)
 286
 287/*
 288 * HP HBA branding
 289 */
 290#define MPT2SAS_HP_3PAR_SSVID                0x1590
 291
 292#define MPT2SAS_HP_2_4_INTERNAL_BRANDING        \
 293        "HP H220 Host Bus Adapter"
 294#define MPT2SAS_HP_2_4_EXTERNAL_BRANDING        \
 295        "HP H221 Host Bus Adapter"
 296#define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING   \
 297        "HP H222 Host Bus Adapter"
 298#define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING       \
 299        "HP H220i Host Bus Adapter"
 300#define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING       \
 301        "HP H210i Host Bus Adapter"
 302
 303/*
 304 * HO HBA SSDIDs
 305 */
 306#define MPT2SAS_HP_2_4_INTERNAL_SSDID                   0x0041
 307#define MPT2SAS_HP_2_4_EXTERNAL_SSDID                   0x0042
 308#define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID      0x0043
 309#define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID          0x0044
 310#define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID          0x0046
 311
 312/*
 313 * Combined Reply Queue constants,
 314 * There are twelve Supplemental Reply Post Host Index Registers
 315 * and each register is at offset 0x10 bytes from the previous one.
 316 */
 317#define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G3     12
 318#define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G35    16
 319#define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET       (0x10)
 320
 321/* OEM Identifiers */
 322#define MFG10_OEM_ID_INVALID                   (0x00000000)
 323#define MFG10_OEM_ID_DELL                      (0x00000001)
 324#define MFG10_OEM_ID_FSC                       (0x00000002)
 325#define MFG10_OEM_ID_SUN                       (0x00000003)
 326#define MFG10_OEM_ID_IBM                       (0x00000004)
 327
 328/* GENERIC Flags 0*/
 329#define MFG10_GF0_OCE_DISABLED                 (0x00000001)
 330#define MFG10_GF0_R1E_DRIVE_COUNT              (0x00000002)
 331#define MFG10_GF0_R10_DISPLAY                  (0x00000004)
 332#define MFG10_GF0_SSD_DATA_SCRUB_DISABLE       (0x00000008)
 333#define MFG10_GF0_SINGLE_DRIVE_R0              (0x00000010)
 334
 335#define VIRTUAL_IO_FAILED_RETRY                 (0x32010081)
 336
 337/* OEM Specific Flags will come from OEM specific header files */
 338struct Mpi2ManufacturingPage10_t {
 339        MPI2_CONFIG_PAGE_HEADER Header;         /* 00h */
 340        U8      OEMIdentifier;                  /* 04h */
 341        U8      Reserved1;                      /* 05h */
 342        U16     Reserved2;                      /* 08h */
 343        U32     Reserved3;                      /* 0Ch */
 344        U32     GenericFlags0;                  /* 10h */
 345        U32     GenericFlags1;                  /* 14h */
 346        U32     Reserved4;                      /* 18h */
 347        U32     OEMSpecificFlags0;              /* 1Ch */
 348        U32     OEMSpecificFlags1;              /* 20h */
 349        U32     Reserved5[18];                  /* 24h - 60h*/
 350};
 351
 352
 353/* Miscellaneous options */
 354struct Mpi2ManufacturingPage11_t {
 355        MPI2_CONFIG_PAGE_HEADER Header;         /* 00h */
 356        __le32  Reserved1;                      /* 04h */
 357        u8      Reserved2;                      /* 08h */
 358        u8      EEDPTagMode;                    /* 09h */
 359        u8      Reserved3;                      /* 0Ah */
 360        u8      Reserved4;                      /* 0Bh */
 361        __le32  Reserved5[23];                  /* 0Ch-60h*/
 362};
 363
 364/**
 365 * struct MPT3SAS_TARGET - starget private hostdata
 366 * @starget: starget object
 367 * @sas_address: target sas address
 368 * @raid_device: raid_device pointer to access volume data
 369 * @handle: device handle
 370 * @num_luns: number luns
 371 * @flags: MPT_TARGET_FLAGS_XXX flags
 372 * @deleted: target flaged for deletion
 373 * @tm_busy: target is busy with TM request.
 374 * @sas_dev: The sas_device associated with this target
 375 * @pcie_dev: The pcie device associated with this target
 376 */
 377struct MPT3SAS_TARGET {
 378        struct scsi_target *starget;
 379        u64     sas_address;
 380        struct _raid_device *raid_device;
 381        u16     handle;
 382        int     num_luns;
 383        u32     flags;
 384        u8      deleted;
 385        u8      tm_busy;
 386        struct _sas_device *sas_dev;
 387        struct _pcie_device *pcie_dev;
 388};
 389
 390
 391/*
 392 * per device private data
 393 */
 394#define MPT_DEVICE_FLAGS_INIT           0x01
 395
 396#define MFG_PAGE10_HIDE_SSDS_MASK       (0x00000003)
 397#define MFG_PAGE10_HIDE_ALL_DISKS       (0x00)
 398#define MFG_PAGE10_EXPOSE_ALL_DISKS     (0x01)
 399#define MFG_PAGE10_HIDE_IF_VOL_PRESENT  (0x02)
 400
 401/**
 402 * struct MPT3SAS_DEVICE - sdev private hostdata
 403 * @sas_target: starget private hostdata
 404 * @lun: lun number
 405 * @flags: MPT_DEVICE_XXX flags
 406 * @configured_lun: lun is configured
 407 * @block: device is in SDEV_BLOCK state
 408 * @tlr_snoop_check: flag used in determining whether to disable TLR
 409 * @eedp_enable: eedp support enable bit
 410 * @eedp_type: 0(type_1), 1(type_2), 2(type_3)
 411 * @eedp_block_length: block size
 412 * @ata_command_pending: SATL passthrough outstanding for device
 413 */
 414struct MPT3SAS_DEVICE {
 415        struct MPT3SAS_TARGET *sas_target;
 416        unsigned int    lun;
 417        u32     flags;
 418        u8      configured_lun;
 419        u8      block;
 420        u8      tlr_snoop_check;
 421        u8      ignore_delay_remove;
 422        /* Iopriority Command Handling */
 423        u8      ncq_prio_enable;
 424        /*
 425         * Bug workaround for SATL handling: the mpt2/3sas firmware
 426         * doesn't return BUSY or TASK_SET_FULL for subsequent
 427         * commands while a SATL pass through is in operation as the
 428         * spec requires, it simply does nothing with them until the
 429         * pass through completes, causing them possibly to timeout if
 430         * the passthrough is a long executing command (like format or
 431         * secure erase).  This variable allows us to do the right
 432         * thing while a SATL command is pending.
 433         */
 434        unsigned long ata_command_pending;
 435
 436};
 437
 438#define MPT3_CMD_NOT_USED       0x8000  /* free */
 439#define MPT3_CMD_COMPLETE       0x0001  /* completed */
 440#define MPT3_CMD_PENDING        0x0002  /* pending */
 441#define MPT3_CMD_REPLY_VALID    0x0004  /* reply is valid */
 442#define MPT3_CMD_RESET          0x0008  /* host reset dropped the command */
 443
 444/**
 445 * struct _internal_cmd - internal commands struct
 446 * @mutex: mutex
 447 * @done: completion
 448 * @reply: reply message pointer
 449 * @sense: sense data
 450 * @status: MPT3_CMD_XXX status
 451 * @smid: system message id
 452 */
 453struct _internal_cmd {
 454        struct mutex mutex;
 455        struct completion done;
 456        void    *reply;
 457        void    *sense;
 458        u16     status;
 459        u16     smid;
 460};
 461
 462
 463
 464/**
 465 * struct _sas_device - attached device information
 466 * @list: sas device list
 467 * @starget: starget object
 468 * @sas_address: device sas address
 469 * @device_name: retrieved from the SAS IDENTIFY frame.
 470 * @handle: device handle
 471 * @sas_address_parent: sas address of parent expander or sas host
 472 * @enclosure_handle: enclosure handle
 473 * @enclosure_logical_id: enclosure logical identifier
 474 * @volume_handle: volume handle (valid when hidden raid member)
 475 * @volume_wwid: volume unique identifier
 476 * @device_info: bitfield provides detailed info about the device
 477 * @id: target id
 478 * @channel: target channel
 479 * @slot: number number
 480 * @phy: phy identifier provided in sas device page 0
 481 * @responding: used in _scsih_sas_device_mark_responding
 482 * @fast_path: fast path feature enable bit
 483 * @pfa_led_on: flag for PFA LED status
 484 * @pend_sas_rphy_add: flag to check if device is in sas_rphy_add()
 485 *      addition routine.
 486 * @chassis_slot: chassis slot
 487 * @is_chassis_slot_valid: chassis slot valid or not
 488 */
 489struct _sas_device {
 490        struct list_head list;
 491        struct scsi_target *starget;
 492        u64     sas_address;
 493        u64     device_name;
 494        u16     handle;
 495        u64     sas_address_parent;
 496        u16     enclosure_handle;
 497        u64     enclosure_logical_id;
 498        u16     volume_handle;
 499        u64     volume_wwid;
 500        u32     device_info;
 501        int     id;
 502        int     channel;
 503        u16     slot;
 504        u8      phy;
 505        u8      responding;
 506        u8      fast_path;
 507        u8      pfa_led_on;
 508        u8      pend_sas_rphy_add;
 509        u8      enclosure_level;
 510        u8      chassis_slot;
 511        u8      is_chassis_slot_valid;
 512        u8      connector_name[5];
 513        struct kref refcount;
 514};
 515
 516static inline void sas_device_get(struct _sas_device *s)
 517{
 518        kref_get(&s->refcount);
 519}
 520
 521static inline void sas_device_free(struct kref *r)
 522{
 523        kfree(container_of(r, struct _sas_device, refcount));
 524}
 525
 526static inline void sas_device_put(struct _sas_device *s)
 527{
 528        kref_put(&s->refcount, sas_device_free);
 529}
 530
 531/*
 532 * struct _pcie_device - attached PCIe device information
 533 * @list: pcie device list
 534 * @starget: starget object
 535 * @wwid: device WWID
 536 * @handle: device handle
 537 * @device_info: bitfield provides detailed info about the device
 538 * @id: target id
 539 * @channel: target channel
 540 * @slot: slot number
 541 * @port_num: port number
 542 * @responding: used in _scsih_pcie_device_mark_responding
 543 * @fast_path: fast path feature enable bit
 544 * @nvme_mdts: MaximumDataTransferSize from PCIe Device Page 2 for
 545 *              NVMe device only
 546 * @enclosure_handle: enclosure handle
 547 * @enclosure_logical_id: enclosure logical identifier
 548 * @enclosure_level: The level of device's enclosure from the controller
 549 * @connector_name: ASCII value of the Connector's name
 550 * @serial_number: pointer of serial number string allocated runtime
 551 * @refcount: reference count for deletion
 552 */
 553struct _pcie_device {
 554        struct list_head list;
 555        struct scsi_target *starget;
 556        u64     wwid;
 557        u16     handle;
 558        u32     device_info;
 559        int     id;
 560        int     channel;
 561        u16     slot;
 562        u8      port_num;
 563        u8      responding;
 564        u8      fast_path;
 565        u32     nvme_mdts;
 566        u16     enclosure_handle;
 567        u64     enclosure_logical_id;
 568        u8      enclosure_level;
 569        u8      connector_name[4];
 570        u8      *serial_number;
 571        struct kref refcount;
 572};
 573/**
 574 * pcie_device_get - Increment the pcie device reference count
 575 *
 576 * @p: pcie_device object
 577 *
 578 * When ever this function called it will increment the
 579 * reference count of the pcie device for which this function called.
 580 *
 581 */
 582static inline void pcie_device_get(struct _pcie_device *p)
 583{
 584        kref_get(&p->refcount);
 585}
 586
 587/**
 588 * pcie_device_free - Release the pcie device object
 589 * @r - kref object
 590 *
 591 * Free's the pcie device object. It will be called when reference count
 592 * reaches to zero.
 593 */
 594static inline void pcie_device_free(struct kref *r)
 595{
 596        kfree(container_of(r, struct _pcie_device, refcount));
 597}
 598
 599/**
 600 * pcie_device_put - Decrement the pcie device reference count
 601 *
 602 * @p: pcie_device object
 603 *
 604 * When ever this function called it will decrement the
 605 * reference count of the pcie device for which this function called.
 606 *
 607 * When refernce count reaches to Zero, this will call pcie_device_free to the
 608 * pcie_device object.
 609 */
 610static inline void pcie_device_put(struct _pcie_device *p)
 611{
 612        kref_put(&p->refcount, pcie_device_free);
 613}
 614/**
 615 * struct _raid_device - raid volume link list
 616 * @list: sas device list
 617 * @starget: starget object
 618 * @sdev: scsi device struct (volumes are single lun)
 619 * @wwid: unique identifier for the volume
 620 * @handle: device handle
 621 * @block_size: Block size of the volume
 622 * @id: target id
 623 * @channel: target channel
 624 * @volume_type: the raid level
 625 * @device_info: bitfield provides detailed info about the hidden components
 626 * @num_pds: number of hidden raid components
 627 * @responding: used in _scsih_raid_device_mark_responding
 628 * @percent_complete: resync percent complete
 629 * @direct_io_enabled: Whether direct io to PDs are allowed or not
 630 * @stripe_exponent: X where 2powX is the stripe sz in blocks
 631 * @block_exponent: X where 2powX is the block sz in bytes
 632 * @max_lba: Maximum number of LBA in the volume
 633 * @stripe_sz: Stripe Size of the volume
 634 * @device_info: Device info of the volume member disk
 635 * @pd_handle: Array of handles of the physical drives for direct I/O in le16
 636 */
 637#define MPT_MAX_WARPDRIVE_PDS           8
 638struct _raid_device {
 639        struct list_head list;
 640        struct scsi_target *starget;
 641        struct scsi_device *sdev;
 642        u64     wwid;
 643        u16     handle;
 644        u16     block_sz;
 645        int     id;
 646        int     channel;
 647        u8      volume_type;
 648        u8      num_pds;
 649        u8      responding;
 650        u8      percent_complete;
 651        u8      direct_io_enabled;
 652        u8      stripe_exponent;
 653        u8      block_exponent;
 654        u64     max_lba;
 655        u32     stripe_sz;
 656        u32     device_info;
 657        u16     pd_handle[MPT_MAX_WARPDRIVE_PDS];
 658};
 659
 660/**
 661 * struct _boot_device - boot device info
 662 *
 663 * @channel: sas, raid, or pcie channel
 664 * @device: holds pointer for struct _sas_device, struct _raid_device or
 665 *     struct _pcie_device
 666 */
 667struct _boot_device {
 668        int channel;
 669        void *device;
 670};
 671
 672/**
 673 * struct _sas_port - wide/narrow sas port information
 674 * @port_list: list of ports belonging to expander
 675 * @num_phys: number of phys belonging to this port
 676 * @remote_identify: attached device identification
 677 * @rphy: sas transport rphy object
 678 * @port: sas transport wide/narrow port object
 679 * @phy_list: _sas_phy list objects belonging to this port
 680 */
 681struct _sas_port {
 682        struct list_head port_list;
 683        u8      num_phys;
 684        struct sas_identify remote_identify;
 685        struct sas_rphy *rphy;
 686        struct sas_port *port;
 687        struct list_head phy_list;
 688};
 689
 690/**
 691 * struct _sas_phy - phy information
 692 * @port_siblings: list of phys belonging to a port
 693 * @identify: phy identification
 694 * @remote_identify: attached device identification
 695 * @phy: sas transport phy object
 696 * @phy_id: unique phy id
 697 * @handle: device handle for this phy
 698 * @attached_handle: device handle for attached device
 699 * @phy_belongs_to_port: port has been created for this phy
 700 */
 701struct _sas_phy {
 702        struct list_head port_siblings;
 703        struct sas_identify identify;
 704        struct sas_identify remote_identify;
 705        struct sas_phy *phy;
 706        u8      phy_id;
 707        u16     handle;
 708        u16     attached_handle;
 709        u8      phy_belongs_to_port;
 710};
 711
 712/**
 713 * struct _sas_node - sas_host/expander information
 714 * @list: list of expanders
 715 * @parent_dev: parent device class
 716 * @num_phys: number phys belonging to this sas_host/expander
 717 * @sas_address: sas address of this sas_host/expander
 718 * @handle: handle for this sas_host/expander
 719 * @sas_address_parent: sas address of parent expander or sas host
 720 * @enclosure_handle: handle for this a member of an enclosure
 721 * @device_info: bitwise defining capabilities of this sas_host/expander
 722 * @responding: used in _scsih_expander_device_mark_responding
 723 * @phy: a list of phys that make up this sas_host/expander
 724 * @sas_port_list: list of ports attached to this sas_host/expander
 725 */
 726struct _sas_node {
 727        struct list_head list;
 728        struct device *parent_dev;
 729        u8      num_phys;
 730        u64     sas_address;
 731        u16     handle;
 732        u64     sas_address_parent;
 733        u16     enclosure_handle;
 734        u64     enclosure_logical_id;
 735        u8      responding;
 736        struct  _sas_phy *phy;
 737        struct list_head sas_port_list;
 738};
 739
 740/**
 741 * enum reset_type - reset state
 742 * @FORCE_BIG_HAMMER: issue diagnostic reset
 743 * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
 744 */
 745enum reset_type {
 746        FORCE_BIG_HAMMER,
 747        SOFT_RESET,
 748};
 749
 750/**
 751 * struct pcie_sg_list - PCIe SGL buffer (contiguous per I/O)
 752 * @pcie_sgl: PCIe native SGL for NVMe devices
 753 * @pcie_sgl_dma: physical address
 754 */
 755struct pcie_sg_list {
 756        void            *pcie_sgl;
 757        dma_addr_t      pcie_sgl_dma;
 758};
 759
 760/**
 761 * struct chain_tracker - firmware chain tracker
 762 * @chain_buffer: chain buffer
 763 * @chain_buffer_dma: physical address
 764 * @tracker_list: list of free request (ioc->free_chain_list)
 765 */
 766struct chain_tracker {
 767        void *chain_buffer;
 768        dma_addr_t chain_buffer_dma;
 769        struct list_head tracker_list;
 770};
 771
 772/**
 773 * struct scsiio_tracker - scsi mf request tracker
 774 * @smid: system message id
 775 * @scmd: scsi request pointer
 776 * @cb_idx: callback index
 777 * @direct_io: To indicate whether I/O is direct (WARPDRIVE)
 778 * @tracker_list: list of free request (ioc->free_list)
 779 * @msix_io: IO's msix
 780 */
 781struct scsiio_tracker {
 782        u16     smid;
 783        struct scsi_cmnd *scmd;
 784        u8      cb_idx;
 785        u8      direct_io;
 786        struct pcie_sg_list pcie_sg_list;
 787        struct list_head chain_list;
 788        struct list_head tracker_list;
 789        u16     msix_io;
 790};
 791
 792/**
 793 * struct request_tracker - firmware request tracker
 794 * @smid: system message id
 795 * @cb_idx: callback index
 796 * @tracker_list: list of free request (ioc->free_list)
 797 */
 798struct request_tracker {
 799        u16     smid;
 800        u8      cb_idx;
 801        struct list_head tracker_list;
 802};
 803
 804/**
 805 * struct _tr_list - target reset list
 806 * @handle: device handle
 807 * @state: state machine
 808 */
 809struct _tr_list {
 810        struct list_head list;
 811        u16     handle;
 812        u16     state;
 813};
 814
 815/**
 816 * struct _sc_list - delayed SAS_IO_UNIT_CONTROL message list
 817 * @handle: device handle
 818 */
 819struct _sc_list {
 820        struct list_head list;
 821        u16     handle;
 822};
 823
 824/**
 825 * struct _event_ack_list - delayed event acknowledgment list
 826 * @Event: Event ID
 827 * @EventContext: used to track the event uniquely
 828 */
 829struct _event_ack_list {
 830        struct list_head list;
 831        u16     Event;
 832        u32     EventContext;
 833};
 834
 835/**
 836 * struct adapter_reply_queue - the reply queue struct
 837 * @ioc: per adapter object
 838 * @msix_index: msix index into vector table
 839 * @vector: irq vector
 840 * @reply_post_host_index: head index in the pool where FW completes IO
 841 * @reply_post_free: reply post base virt address
 842 * @name: the name registered to request_irq()
 843 * @busy: isr is actively processing replies on another cpu
 844 * @list: this list
 845*/
 846struct adapter_reply_queue {
 847        struct MPT3SAS_ADAPTER  *ioc;
 848        u8                      msix_index;
 849        u32                     reply_post_host_index;
 850        Mpi2ReplyDescriptorsUnion_t *reply_post_free;
 851        char                    name[MPT_NAME_LENGTH];
 852        atomic_t                busy;
 853        struct list_head        list;
 854};
 855
 856typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
 857
 858/* SAS3.0 support */
 859typedef int (*MPT_BUILD_SG_SCMD)(struct MPT3SAS_ADAPTER *ioc,
 860        struct scsi_cmnd *scmd, u16 smid, struct _pcie_device *pcie_device);
 861typedef void (*MPT_BUILD_SG)(struct MPT3SAS_ADAPTER *ioc, void *psge,
 862                dma_addr_t data_out_dma, size_t data_out_sz,
 863                dma_addr_t data_in_dma, size_t data_in_sz);
 864typedef void (*MPT_BUILD_ZERO_LEN_SGE)(struct MPT3SAS_ADAPTER *ioc,
 865                void *paddr);
 866
 867/* SAS3.5 support */
 868typedef void (*NVME_BUILD_PRP)(struct MPT3SAS_ADAPTER *ioc, u16 smid,
 869        Mpi26NVMeEncapsulatedRequest_t *nvme_encap_request,
 870        dma_addr_t data_out_dma, size_t data_out_sz, dma_addr_t data_in_dma,
 871        size_t data_in_sz);
 872
 873/* To support atomic and non atomic descriptors*/
 874typedef void (*PUT_SMID_IO_FP_HIP) (struct MPT3SAS_ADAPTER *ioc, u16 smid,
 875        u16 funcdep);
 876typedef void (*PUT_SMID_DEFAULT) (struct MPT3SAS_ADAPTER *ioc, u16 smid);
 877
 878/* IOC Facts and Port Facts converted from little endian to cpu */
 879union mpi3_version_union {
 880        MPI2_VERSION_STRUCT             Struct;
 881        u32                             Word;
 882};
 883
 884struct mpt3sas_facts {
 885        u16                     MsgVersion;
 886        u16                     HeaderVersion;
 887        u8                      IOCNumber;
 888        u8                      VP_ID;
 889        u8                      VF_ID;
 890        u16                     IOCExceptions;
 891        u16                     IOCStatus;
 892        u32                     IOCLogInfo;
 893        u8                      MaxChainDepth;
 894        u8                      WhoInit;
 895        u8                      NumberOfPorts;
 896        u8                      MaxMSIxVectors;
 897        u16                     RequestCredit;
 898        u16                     ProductID;
 899        u32                     IOCCapabilities;
 900        union mpi3_version_union        FWVersion;
 901        u16                     IOCRequestFrameSize;
 902        u16                     IOCMaxChainSegmentSize;
 903        u16                     MaxInitiators;
 904        u16                     MaxTargets;
 905        u16                     MaxSasExpanders;
 906        u16                     MaxEnclosures;
 907        u16                     ProtocolFlags;
 908        u16                     HighPriorityCredit;
 909        u16                     MaxReplyDescriptorPostQueueDepth;
 910        u8                      ReplyFrameSize;
 911        u8                      MaxVolumes;
 912        u16                     MaxDevHandle;
 913        u16                     MaxPersistentEntries;
 914        u16                     MinDevHandle;
 915        u8                      CurrentHostPageSize;
 916};
 917
 918struct mpt3sas_port_facts {
 919        u8                      PortNumber;
 920        u8                      VP_ID;
 921        u8                      VF_ID;
 922        u8                      PortType;
 923        u16                     MaxPostedCmdBuffers;
 924};
 925
 926struct reply_post_struct {
 927        Mpi2ReplyDescriptorsUnion_t     *reply_post_free;
 928        dma_addr_t                      reply_post_free_dma;
 929};
 930
 931typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc);
 932/**
 933 * struct MPT3SAS_ADAPTER - per adapter struct
 934 * @list: ioc_list
 935 * @shost: shost object
 936 * @id: unique adapter id
 937 * @cpu_count: number online cpus
 938 * @name: generic ioc string
 939 * @tmp_string: tmp string used for logging
 940 * @pdev: pci pdev object
 941 * @pio_chip: physical io register space
 942 * @chip: memory mapped register space
 943 * @chip_phys: physical addrss prior to mapping
 944 * @logging_level: see mpt3sas_debug.h
 945 * @fwfault_debug: debuging FW timeouts
 946 * @ir_firmware: IR firmware present
 947 * @bars: bitmask of BAR's that must be configured
 948 * @mask_interrupts: ignore interrupt
 949 * @dma_mask: used to set the consistent dma mask
 950 * @pci_access_mutex: Mutex to synchronize ioctl, sysfs show path and
 951 *                      pci resource handling
 952 * @fault_reset_work_q_name: fw fault work queue
 953 * @fault_reset_work_q: ""
 954 * @fault_reset_work: ""
 955 * @firmware_event_name: fw event work queue
 956 * @firmware_event_thread: ""
 957 * @fw_event_lock:
 958 * @fw_event_list: list of fw events
 959 * @aen_event_read_flag: event log was read
 960 * @broadcast_aen_busy: broadcast aen waiting to be serviced
 961 * @shost_recovery: host reset in progress
 962 * @ioc_reset_in_progress_lock:
 963 * @ioc_link_reset_in_progress: phy/hard reset in progress
 964 * @ignore_loginfos: ignore loginfos during task management
 965 * @remove_host: flag for when driver unloads, to avoid sending dev resets
 966 * @pci_error_recovery: flag to prevent ioc access until slot reset completes
 967 * @wait_for_discovery_to_complete: flag set at driver load time when
 968 *                                               waiting on reporting devices
 969 * @is_driver_loading: flag set at driver load time
 970 * @port_enable_failed: flag set when port enable has failed
 971 * @start_scan: flag set from scan_start callback, cleared from _mpt3sas_fw_work
 972 * @start_scan_failed: means port enable failed, return's the ioc_status
 973 * @msix_enable: flag indicating msix is enabled
 974 * @msix_vector_count: number msix vectors
 975 * @cpu_msix_table: table for mapping cpus to msix index
 976 * @cpu_msix_table_sz: table size
 977 * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
 978 * @scsi_io_cb_idx: shost generated commands
 979 * @tm_cb_idx: task management commands
 980 * @scsih_cb_idx: scsih internal commands
 981 * @transport_cb_idx: transport internal commands
 982 * @ctl_cb_idx: clt internal commands
 983 * @base_cb_idx: base internal commands
 984 * @config_cb_idx: base internal commands
 985 * @tm_tr_cb_idx : device removal target reset handshake
 986 * @tm_tr_volume_cb_idx : volume removal target reset
 987 * @base_cmds:
 988 * @transport_cmds:
 989 * @scsih_cmds:
 990 * @tm_cmds:
 991 * @ctl_cmds:
 992 * @config_cmds:
 993 * @base_add_sg_single: handler for either 32/64 bit sgl's
 994 * @event_type: bits indicating which events to log
 995 * @event_context: unique id for each logged event
 996 * @event_log: event log pointer
 997 * @event_masks: events that are masked
 998 * @facts: static facts data
 999 * @pfacts: static port facts data
1000 * @manu_pg0: static manufacturing page 0

1001 * @manu_pg10: static manufacturing page 10
1002 * @manu_pg11: static manufacturing page 11
1003 * @bios_pg2: static bios page 2
1004 * @bios_pg3: static bios page 3
1005 * @ioc_pg8: static ioc page 8
1006 * @iounit_pg0: static iounit page 0
1007 * @iounit_pg1: static iounit page 1
1008 * @iounit_pg8: static iounit page 8
1009 * @sas_hba: sas host object
1010 * @sas_expander_list: expander object list
1011 * @sas_node_lock:
1012 * @sas_device_list: sas device object list
1013 * @sas_device_init_list: sas device object list (used only at init time)
1014 * @sas_device_lock:
1015 * @pcie_device_list: pcie device object list
1016 * @pcie_device_init_list: pcie device object list (used only at init time)
1017 * @pcie_device_lock:
1018 * @io_missing_delay: time for IO completed by fw when PDR enabled
1019 * @device_missing_delay: time for device missing by fw when PDR enabled
1020 * @sas_id : used for setting volume target IDs
1021 * @pcie_target_id: used for setting pcie target IDs
1022 * @blocking_handles: bitmask used to identify which devices need blocking
1023 * @pd_handles : bitmask for PD handles
1024 * @pd_handles_sz : size of pd_handle bitmask
1025 * @config_page_sz: config page size
1026 * @config_page: reserve memory for config page payload
1027 * @config_page_dma:
1028 * @hba_queue_depth: hba request queue depth
1029 * @sge_size: sg element size for either 32/64 bit
1030 * @scsiio_depth: SCSI_IO queue depth
1031 * @request_sz: per request frame size
1032 * @request: pool of request frames
1033 * @request_dma:
1034 * @request_dma_sz:
1035 * @scsi_lookup: firmware request tracker list
1036 * @scsi_lookup_lock:
1037 * @free_list: free list of request
1038 * @pending_io_count:
1039 * @reset_wq:
1040 * @chain: pool of chains
1041 * @chain_dma:
1042 * @max_sges_in_main_message: number sg elements in main message
1043 * @max_sges_in_chain_message: number sg elements per chain
1044 * @chains_needed_per_io: max chains per io
1045 * @chain_depth: total chains allocated
1046 * @chain_segment_sz: gives the max number of
1047 *                      SGEs accommodate on single chain buffer
1048 * @hi_priority_smid:
1049 * @hi_priority:
1050 * @hi_priority_dma:
1051 * @hi_priority_depth:
1052 * @hpr_lookup:
1053 * @hpr_free_list:
1054 * @internal_smid:
1055 * @internal:
1056 * @internal_dma:
1057 * @internal_depth:
1058 * @internal_lookup:
1059 * @internal_free_list:
1060 * @sense: pool of sense
1061 * @sense_dma:
1062 * @sense_dma_pool:
1063 * @reply_depth: hba reply queue depth:
1064 * @reply_sz: per reply frame size:
1065 * @reply: pool of replys:
1066 * @reply_dma:
1067 * @reply_dma_pool:
1068 * @reply_free_queue_depth: reply free depth
1069 * @reply_free: pool for reply free queue (32 bit addr)
1070 * @reply_free_dma:
1071 * @reply_free_dma_pool:
1072 * @reply_free_host_index: tail index in pool to insert free replys
1073 * @reply_post_queue_depth: reply post queue depth
1074 * @reply_post_struct: struct for reply_post_free physical & virt address
1075 * @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init
1076 * @rdpq_array_enable: rdpq_array support is enabled in the driver
1077 * @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag
1078 *                              is assigned only ones
1079 * @reply_queue_count: number of reply queue's
1080 * @reply_queue_list: link list contaning the reply queue info
1081 * @msix96_vector: 96 MSI-X vector support
1082 * @replyPostRegisterIndex: index of next position in Reply Desc Post Queue
1083 * @delayed_tr_list: target reset link list
1084 * @delayed_tr_volume_list: volume target reset link list
1085 * @delayed_sc_list:
1086 * @delayed_event_ack_list:
1087 * @temp_sensors_count: flag to carry the number of temperature sensors
1088 * @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and
1089 *      pci resource handling. PCI resource freeing will lead to free
1090 *      vital hardware/memory resource, which might be in use by cli/sysfs
1091 *      path functions resulting in Null pointer reference followed by kernel
1092 *      crash. To avoid the above race condition we use mutex syncrhonization
1093 *      which ensures the syncrhonization between cli/sysfs_show path.
1094 */
1095struct MPT3SAS_ADAPTER {
1096        struct list_head list;
1097        struct Scsi_Host *shost;
1098        u8              id;
1099        int             cpu_count;
1100        char            name[MPT_NAME_LENGTH];
1101        char            driver_name[MPT_NAME_LENGTH - 8];
1102        char            tmp_string[MPT_STRING_LENGTH];
1103        struct pci_dev  *pdev;
1104        Mpi2SystemInterfaceRegs_t __iomem *chip;
1105        resource_size_t chip_phys;
1106        int             logging_level;
1107        int             fwfault_debug;
1108        u8              ir_firmware;
1109        int             bars;
1110        u8              mask_interrupts;
1111        int             dma_mask;
1112
1113        /* fw fault handler */
1114        char            fault_reset_work_q_name[20];
1115        struct workqueue_struct *fault_reset_work_q;
1116        struct delayed_work fault_reset_work;
1117
1118        /* fw event handler */
1119        char            firmware_event_name[20];
1120        struct workqueue_struct *firmware_event_thread;
1121        spinlock_t      fw_event_lock;
1122        struct list_head fw_event_list;
1123
1124         /* misc flags */
1125        int             aen_event_read_flag;
1126        u8              broadcast_aen_busy;
1127        u16             broadcast_aen_pending;
1128        u8              shost_recovery;
1129        u8              got_task_abort_from_ioctl;
1130
1131        struct mutex    reset_in_progress_mutex;
1132        spinlock_t      ioc_reset_in_progress_lock;
1133        u8              ioc_link_reset_in_progress;
1134        u8              ioc_reset_in_progress_status;
1135
1136        u8              ignore_loginfos;
1137        u8              remove_host;
1138        u8              pci_error_recovery;
1139        u8              wait_for_discovery_to_complete;
1140        u8              is_driver_loading;
1141        u8              port_enable_failed;
1142        u8              start_scan;
1143        u16             start_scan_failed;
1144
1145        u8              msix_enable;
1146        u16             msix_vector_count;
1147        u8              *cpu_msix_table;
1148        u16             cpu_msix_table_sz;
1149        resource_size_t __iomem **reply_post_host_index;
1150        u32             ioc_reset_count;
1151        MPT3SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
1152        u32             non_operational_loop;
1153
1154        /* internal commands, callback index */
1155        u8              scsi_io_cb_idx;
1156        u8              tm_cb_idx;
1157        u8              transport_cb_idx;
1158        u8              scsih_cb_idx;
1159        u8              ctl_cb_idx;
1160        u8              base_cb_idx;
1161        u8              port_enable_cb_idx;
1162        u8              config_cb_idx;
1163        u8              tm_tr_cb_idx;
1164        u8              tm_tr_volume_cb_idx;
1165        u8              tm_sas_control_cb_idx;
1166        struct _internal_cmd base_cmds;
1167        struct _internal_cmd port_enable_cmds;
1168        struct _internal_cmd transport_cmds;
1169        struct _internal_cmd scsih_cmds;
1170        struct _internal_cmd tm_cmds;
1171        struct _internal_cmd ctl_cmds;
1172        struct _internal_cmd config_cmds;
1173
1174        MPT_ADD_SGE     base_add_sg_single;
1175
1176        /* function ptr for either IEEE or MPI sg elements */
1177        MPT_BUILD_SG_SCMD build_sg_scmd;
1178        MPT_BUILD_SG    build_sg;
1179        MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge;
1180        u16             sge_size_ieee;
1181        u16             hba_mpi_version_belonged;
1182
1183        /* function ptr for MPI sg elements only */
1184        MPT_BUILD_SG    build_sg_mpi;
1185        MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge_mpi;
1186
1187        /* function ptr for NVMe PRP elements only */
1188        NVME_BUILD_PRP  build_nvme_prp;
1189
1190        /* event log */
1191        u32             event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1192        u32             event_context;
1193        void            *event_log;
1194        u32             event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1195
1196        /* static config pages */
1197        struct mpt3sas_facts facts;
1198        struct mpt3sas_port_facts *pfacts;
1199        Mpi2ManufacturingPage0_t manu_pg0;
1200        struct Mpi2ManufacturingPage10_t manu_pg10;
1201        struct Mpi2ManufacturingPage11_t manu_pg11;
1202        Mpi2BiosPage2_t bios_pg2;
1203        Mpi2BiosPage3_t bios_pg3;
1204        Mpi2IOCPage8_t ioc_pg8;
1205        Mpi2IOUnitPage0_t iounit_pg0;
1206        Mpi2IOUnitPage1_t iounit_pg1;
1207        Mpi2IOUnitPage8_t iounit_pg8;
1208
1209        struct _boot_device req_boot_device;
1210        struct _boot_device req_alt_boot_device;
1211        struct _boot_device current_boot_device;
1212
1213        /* sas hba, expander, and device list */
1214        struct _sas_node sas_hba;
1215        struct list_head sas_expander_list;
1216        spinlock_t      sas_node_lock;
1217        struct list_head sas_device_list;
1218        struct list_head sas_device_init_list;
1219        spinlock_t      sas_device_lock;
1220        struct list_head pcie_device_list;
1221        struct list_head pcie_device_init_list;
1222        spinlock_t      pcie_device_lock;
1223
1224        struct list_head raid_device_list;
1225        spinlock_t      raid_device_lock;
1226        u8              io_missing_delay;
1227        u16             device_missing_delay;
1228        int             sas_id;
1229        int             pcie_target_id;
1230
1231        void            *blocking_handles;
1232        void            *pd_handles;
1233        u16             pd_handles_sz;
1234
1235        void            *pend_os_device_add;
1236        u16             pend_os_device_add_sz;
1237
1238        /* config page */
1239        u16             config_page_sz;
1240        void            *config_page;
1241        dma_addr_t      config_page_dma;
1242
1243        /* scsiio request */
1244        u16             hba_queue_depth;
1245        u16             sge_size;
1246        u16             scsiio_depth;
1247        u16             request_sz;
1248        u8              *request;
1249        dma_addr_t      request_dma;
1250        u32             request_dma_sz;
1251        struct scsiio_tracker *scsi_lookup;
1252        ulong           scsi_lookup_pages;
1253        spinlock_t      scsi_lookup_lock;
1254        struct list_head free_list;
1255        int             pending_io_count;
1256        wait_queue_head_t reset_wq;
1257
1258        /* PCIe SGL */
1259        struct dma_pool *pcie_sgl_dma_pool;
1260        /* Host Page Size */
1261        u32             page_size;
1262
1263        /* chain */
1264        struct chain_tracker *chain_lookup;
1265        struct list_head free_chain_list;
1266        struct dma_pool *chain_dma_pool;
1267        ulong           chain_pages;
1268        u16             max_sges_in_main_message;
1269        u16             max_sges_in_chain_message;
1270        u16             chains_needed_per_io;
1271        u32             chain_depth;
1272        u16             chain_segment_sz;
1273
1274        /* hi-priority queue */
1275        u16             hi_priority_smid;
1276        u8              *hi_priority;
1277        dma_addr_t      hi_priority_dma;
1278        u16             hi_priority_depth;
1279        struct request_tracker *hpr_lookup;
1280        struct list_head hpr_free_list;
1281
1282        /* internal queue */
1283        u16             internal_smid;
1284        u8              *internal;
1285        dma_addr_t      internal_dma;
1286        u16             internal_depth;
1287        struct request_tracker *internal_lookup;
1288        struct list_head internal_free_list;
1289
1290        /* sense */
1291        u8              *sense;
1292        dma_addr_t      sense_dma;
1293        struct dma_pool *sense_dma_pool;
1294
1295        /* reply */
1296        u16             reply_sz;
1297        u8              *reply;
1298        dma_addr_t      reply_dma;
1299        u32             reply_dma_max_address;
1300        u32             reply_dma_min_address;
1301        struct dma_pool *reply_dma_pool;
1302
1303        /* reply free queue */
1304        u16             reply_free_queue_depth;
1305        __le32          *reply_free;
1306        dma_addr_t      reply_free_dma;
1307        struct dma_pool *reply_free_dma_pool;
1308        u32             reply_free_host_index;
1309
1310        /* reply post queue */
1311        u16             reply_post_queue_depth;
1312        struct reply_post_struct *reply_post;
1313        u8              rdpq_array_capable;
1314        u8              rdpq_array_enable;
1315        u8              rdpq_array_enable_assigned;
1316        struct dma_pool *reply_post_free_dma_pool;
1317        u8              reply_queue_count;
1318        struct list_head reply_queue_list;
1319
1320        u8              combined_reply_queue;
1321        u8              combined_reply_index_count;
1322        /* reply post register index */
1323        resource_size_t **replyPostRegisterIndex;
1324
1325        struct list_head delayed_tr_list;
1326        struct list_head delayed_tr_volume_list;
1327        struct list_head delayed_sc_list;
1328        struct list_head delayed_event_ack_list;
1329        u8              temp_sensors_count;
1330        struct mutex pci_access_mutex;
1331
1332        /* diag buffer support */
1333        u8              *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
1334        u32             diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
1335        dma_addr_t      diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
1336        u8              diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
1337        u32             unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
1338        u32             product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
1339        u32             diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
1340        u32             ring_buffer_offset;
1341        u32             ring_buffer_sz;
1342        u8              is_warpdrive;
1343        u8              hide_ir_msg;
1344        u8              mfg_pg10_hide_flag;
1345        u8              hide_drives;
1346        spinlock_t      diag_trigger_lock;
1347        u8              diag_trigger_active;
1348        struct SL_WH_MASTER_TRIGGER_T diag_trigger_master;
1349        struct SL_WH_EVENT_TRIGGERS_T diag_trigger_event;
1350        struct SL_WH_SCSI_TRIGGERS_T diag_trigger_scsi;
1351        struct SL_WH_MPI_TRIGGERS_T diag_trigger_mpi;
1352        void            *device_remove_in_progress;
1353        u16             device_remove_in_progress_sz;
1354        u8              is_gen35_ioc;
1355        u8              atomic_desc_capable;
1356        PUT_SMID_IO_FP_HIP put_smid_scsi_io;
1357        PUT_SMID_IO_FP_HIP put_smid_fast_path;
1358        PUT_SMID_IO_FP_HIP put_smid_hi_priority;
1359        PUT_SMID_DEFAULT put_smid_default;
1360        PUT_SMID_DEFAULT put_smid_nvme_encap;
1361
1362};
1363
1364typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1365        u32 reply);
1366
1367
1368/* base shared API */
1369extern struct list_head mpt3sas_ioc_list;
1370extern char    driver_name[MPT_NAME_LENGTH];
1371/* spinlock on list operations over IOCs
1372 * Case: when multiple warpdrive cards(IOCs) are in use
1373 * Each IOC will added to the ioc list structure on initialization.
1374 * Watchdog threads run at regular intervals to check IOC for any
1375 * fault conditions which will trigger the dead_ioc thread to
1376 * deallocate pci resource, resulting deleting the IOC netry from list,
1377 * this deletion need to protected by spinlock to enusre that
1378 * ioc removal is syncrhonized, if not synchronized it might lead to
1379 * list_del corruption as the ioc list is traversed in cli path.
1380 */
1381extern spinlock_t gioc_lock;
1382
1383void mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc);
1384void mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc);
1385
1386int mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc);
1387void mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc);
1388int mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc);
1389void mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc);
1390int mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc,
1391        enum reset_type type);
1392
1393void *mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1394void *mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1395__le32 mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc,
1396        u16 smid);
1397void *mpt3sas_base_get_pcie_sgl(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1398dma_addr_t mpt3sas_base_get_pcie_sgl_dma(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1399void mpt3sas_base_sync_reply_irqs(struct MPT3SAS_ADAPTER *ioc);
1400
1401/* hi-priority queue */
1402u16 mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1403u16 mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx,
1404        struct scsi_cmnd *scmd);
1405
1406u16 mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1407void mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1408void mpt3sas_base_initialize_callback_handler(void);
1409u8 mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func);
1410void mpt3sas_base_release_callback_handler(u8 cb_idx);
1411
1412u8 mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1413        u32 reply);
1414u8 mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1415        u8 msix_index, u32 reply);
1416void *mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc,
1417        u32 phys_addr);
1418
1419u32 mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked);
1420
1421void mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code);
1422int mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc,
1423        Mpi2SasIoUnitControlReply_t *mpi_reply,
1424        Mpi2SasIoUnitControlRequest_t *mpi_request);
1425int mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc,
1426        Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
1427
1428void mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc,
1429        u32 *event_type);
1430
1431void mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc);
1432
1433void mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc,
1434        u16 device_missing_delay, u8 io_missing_delay);
1435
1436int mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc);
1437
1438
1439/* scsih shared API */
1440u8 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
1441        u32 reply);
1442void mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
1443
1444int mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1445        uint channel, uint id, uint lun, u8 type, u16 smid_task,
1446        ulong timeout);
1447int mpt3sas_scsih_issue_locked_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1448        uint channel, uint id, uint lun, u8 type, u16 smid_task,
1449        ulong timeout);
1450
1451void mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1452void mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1453void mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1454void mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1455        u64 sas_address);
1456u8 mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc,
1457        u16 smid);
1458
1459struct _sas_node *mpt3sas_scsih_expander_find_by_handle(
1460        struct MPT3SAS_ADAPTER *ioc, u16 handle);
1461struct _sas_node *mpt3sas_scsih_expander_find_by_sas_address(
1462        struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1463struct _sas_device *mpt3sas_get_sdev_by_addr(
1464         struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1465struct _sas_device *__mpt3sas_get_sdev_by_addr(
1466         struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1467struct _sas_device *mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc,
1468        u16 handle);
1469struct _pcie_device *mpt3sas_get_pdev_by_handle(struct MPT3SAS_ADAPTER *ioc,
1470        u16 handle);
1471
1472void mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc);
1473struct _raid_device *
1474mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1475
1476/* config shared API */
1477u8 mpt3sas_config_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1478        u32 reply);
1479int mpt3sas_config_get_number_hba_phys(struct MPT3SAS_ADAPTER *ioc,
1480        u8 *num_phys);
1481int mpt3sas_config_get_manufacturing_pg0(struct MPT3SAS_ADAPTER *ioc,
1482        Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1483int mpt3sas_config_get_manufacturing_pg7(struct MPT3SAS_ADAPTER *ioc,
1484        Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage7_t *config_page,
1485        u16 sz);
1486int mpt3sas_config_get_manufacturing_pg10(struct MPT3SAS_ADAPTER *ioc,
1487        Mpi2ConfigReply_t *mpi_reply,
1488        struct Mpi2ManufacturingPage10_t *config_page);
1489
1490int mpt3sas_config_get_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1491        Mpi2ConfigReply_t *mpi_reply,
1492        struct Mpi2ManufacturingPage11_t  *config_page);
1493int mpt3sas_config_set_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1494        Mpi2ConfigReply_t *mpi_reply,
1495        struct Mpi2ManufacturingPage11_t *config_page);
1496
1497int mpt3sas_config_get_bios_pg2(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1498        *mpi_reply, Mpi2BiosPage2_t *config_page);
1499int mpt3sas_config_get_bios_pg3(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1500        *mpi_reply, Mpi2BiosPage3_t *config_page);
1501int mpt3sas_config_get_iounit_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1502        *mpi_reply, Mpi2IOUnitPage0_t *config_page);
1503int mpt3sas_config_get_sas_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1504        Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage0_t *config_page,
1505        u32 form, u32 handle);
1506int mpt3sas_config_get_sas_device_pg1(struct MPT3SAS_ADAPTER *ioc,
1507        Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage1_t *config_page,
1508        u32 form, u32 handle);
1509int mpt3sas_config_get_pcie_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1510        Mpi2ConfigReply_t *mpi_reply, Mpi26PCIeDevicePage0_t *config_page,
1511        u32 form, u32 handle);
1512int mpt3sas_config_get_pcie_device_pg2(struct MPT3SAS_ADAPTER *ioc,
1513        Mpi2ConfigReply_t *mpi_reply, Mpi26PCIeDevicePage2_t *config_page,
1514        u32 form, u32 handle);
1515int mpt3sas_config_get_sas_iounit_pg0(struct MPT3SAS_ADAPTER *ioc,
1516        Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage0_t *config_page,
1517        u16 sz);
1518int mpt3sas_config_get_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1519        *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1520int mpt3sas_config_get_iounit_pg3(struct MPT3SAS_ADAPTER *ioc,
1521        Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
1522int mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1523        *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1524int mpt3sas_config_get_iounit_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1525        *mpi_reply, Mpi2IOUnitPage8_t *config_page);
1526int mpt3sas_config_get_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1527        Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1528        u16 sz);
1529int mpt3sas_config_set_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1530        Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1531        u16 sz);
1532int mpt3sas_config_get_ioc_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1533        *mpi_reply, Mpi2IOCPage8_t *config_page);
1534int mpt3sas_config_get_expander_pg0(struct MPT3SAS_ADAPTER *ioc,
1535        Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage0_t *config_page,
1536        u32 form, u32 handle);
1537int mpt3sas_config_get_expander_pg1(struct MPT3SAS_ADAPTER *ioc,
1538        Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage1_t *config_page,
1539        u32 phy_number, u16 handle);
1540int mpt3sas_config_get_enclosure_pg0(struct MPT3SAS_ADAPTER *ioc,
1541        Mpi2ConfigReply_t *mpi_reply, Mpi2SasEnclosurePage0_t *config_page,
1542        u32 form, u32 handle);
1543int mpt3sas_config_get_phy_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1544        *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1545int mpt3sas_config_get_phy_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1546        *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1547int mpt3sas_config_get_raid_volume_pg1(struct MPT3SAS_ADAPTER *ioc,
1548        Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
1549        u32 handle);
1550int mpt3sas_config_get_number_pds(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1551        u8 *num_pds);
1552int mpt3sas_config_get_raid_volume_pg0(struct MPT3SAS_ADAPTER *ioc,
1553        Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form,
1554        u32 handle, u16 sz);
1555int mpt3sas_config_get_phys_disk_pg0(struct MPT3SAS_ADAPTER *ioc,
1556        Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
1557        u32 form, u32 form_specific);
1558int mpt3sas_config_get_volume_handle(struct MPT3SAS_ADAPTER *ioc, u16 pd_handle,
1559        u16 *volume_handle);
1560int mpt3sas_config_get_volume_wwid(struct MPT3SAS_ADAPTER *ioc,
1561        u16 volume_handle, u64 *wwid);
1562
1563/* ctl shared API */
1564extern struct device_attribute *mpt3sas_host_attrs[];
1565extern struct device_attribute *mpt3sas_dev_attrs[];
1566void mpt3sas_ctl_init(ushort hbas_to_enumerate);
1567void mpt3sas_ctl_exit(ushort hbas_to_enumerate);
1568u8 mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1569        u32 reply);
1570void mpt3sas_ctl_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
1571u8 mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc,
1572        u8 msix_index, u32 reply);
1573void mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc,
1574        Mpi2EventNotificationReply_t *mpi_reply);
1575
1576void mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc,
1577        u8 bits_to_register);
1578int mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type,
1579        u8 *issue_reset);
1580
1581/* transport shared API */
1582extern struct scsi_transport_template *mpt3sas_transport_template;
1583u8 mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1584        u32 reply);
1585struct _sas_port *mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc,
1586        u16 handle, u64 sas_address);
1587void mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1588        u64 sas_address_parent);
1589int mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy
1590        *mpt3sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1591int mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER *ioc,
1592        struct _sas_phy *mpt3sas_phy, Mpi2ExpanderPage1_t expander_pg1,
1593        struct device *parent_dev);
1594void mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc,
1595        u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
1596extern struct sas_function_template mpt3sas_transport_functions;
1597extern struct scsi_transport_template *mpt3sas_transport_template;
1598/* trigger data externs */
1599void mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
1600        struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1601void mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc,
1602        struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1603void mpt3sas_trigger_master(struct MPT3SAS_ADAPTER *ioc,
1604        u32 tigger_bitmask);
1605void mpt3sas_trigger_event(struct MPT3SAS_ADAPTER *ioc, u16 event,
1606        u16 log_entry_qualifier);
1607void mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key,
1608        u8 asc, u8 ascq);
1609void mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status,
1610        u32 loginfo);
1611
1612/* warpdrive APIs */
1613u8 mpt3sas_get_num_volumes(struct MPT3SAS_ADAPTER *ioc);
1614void mpt3sas_init_warpdrive_properties(struct MPT3SAS_ADAPTER *ioc,
1615        struct _raid_device *raid_device);
1616u8
1617mpt3sas_scsi_direct_io_get(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1618void
1619mpt3sas_scsi_direct_io_set(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 direct_io);
1620void
1621mpt3sas_setup_direct_io(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
1622        struct _raid_device *raid_device, Mpi25SCSIIORequest_t *mpi_request,
1623        u16 smid);
1624
1625/* NCQ Prio Handling Check */
1626bool scsih_ncq_prio_supp(struct scsi_device *sdev);
1627
1628#endif /* MPT3SAS_BASE_H_INCLUDED */
1629