drivers/scsi/mpt3sas/mpt3sas_base.h

   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 #include "mpi/mpi2_image.h"
  59
  60 #include <scsi/scsi.h>
  61 #include <scsi/scsi_cmnd.h>
  62 #include <scsi/scsi_device.h>
  63 #include <scsi/scsi_host.h>
  64 #include <scsi/scsi_tcq.h>
  65 #include <scsi/scsi_transport_sas.h>
  66 #include <scsi/scsi_dbg.h>
  67 #include <scsi/scsi_eh.h>
  68 #include <linux/pci.h>
  69 #include <linux/poll.h>
  70 #include <linux/irq_poll.h>
  71
  72 #include "mpt3sas_debug.h"
  73 #include "mpt3sas_trigger_diag.h"
  74 #include "mpt3sas_trigger_pages.h"
  75
  76 /* driver versioning info */
  77 #define MPT3SAS_DRIVER_NAME             "mpt3sas"
  78 #define MPT3SAS_AUTHOR "Avago Technologies <MPT-FusionLinux.pdl@avagotech.com>"
  79 #define MPT3SAS_DESCRIPTION     "LSI MPT Fusion SAS 3.0 Device Driver"
  80 #define MPT3SAS_DRIVER_VERSION          "48.100.00.00"
  81 #define MPT3SAS_MAJOR_VERSION           48
  82 #define MPT3SAS_MINOR_VERSION           100
  83 #define MPT3SAS_BUILD_VERSION           0
  84 #define MPT3SAS_RELEASE_VERSION 00
  85
  86 #define MPT2SAS_DRIVER_NAME             "mpt2sas"
  87 #define MPT2SAS_DESCRIPTION     "LSI MPT Fusion SAS 2.0 Device Driver"
  88 #define MPT2SAS_DRIVER_VERSION          "20.102.00.00"
  89 #define MPT2SAS_MAJOR_VERSION           20
  90 #define MPT2SAS_MINOR_VERSION           102
  91 #define MPT2SAS_BUILD_VERSION           0
  92 #define MPT2SAS_RELEASE_VERSION 00
  93
  94 /* CoreDump: Default timeout */
  95 #define MPT3SAS_DEFAULT_COREDUMP_TIMEOUT_SECONDS        (15) /*15 seconds*/
  96 #define MPT3SAS_COREDUMP_LOOP_DONE                     (0xFF)
  97 #define MPT3SAS_TIMESYNC_TIMEOUT_SECONDS                (10) /* 10 seconds */
  98 #define MPT3SAS_TIMESYNC_UPDATE_INTERVAL                (900) /* 15 minutes */
  99 #define MPT3SAS_TIMESYNC_UNIT_MASK                      (0x80) /* bit 7 */
 100 #define MPT3SAS_TIMESYNC_MASK                           (0x7F) /* 0 - 6 bits */
 101 #define SECONDS_PER_MIN                                 (60)
 102 #define SECONDS_PER_HOUR                                (3600)
 103 #define MPT3SAS_COREDUMP_LOOP_DONE                      (0xFF)
 104 #define MPI26_SET_IOC_PARAMETER_SYNC_TIMESTAMP          (0x81)
 105
 106 /*
 107  * Set MPT3SAS_SG_DEPTH value based on user input.
 108  */
 109 #define MPT_MAX_PHYS_SEGMENTS   SG_CHUNK_SIZE
 110 #define MPT_MIN_PHYS_SEGMENTS   16
 111 #define MPT_KDUMP_MIN_PHYS_SEGMENTS     32
 112
 113 #define MCPU_MAX_CHAINS_PER_IO  3
 114
 115 #ifdef CONFIG_SCSI_MPT3SAS_MAX_SGE
 116 #define MPT3SAS_SG_DEPTH                CONFIG_SCSI_MPT3SAS_MAX_SGE
 117 #else
 118 #define MPT3SAS_SG_DEPTH                MPT_MAX_PHYS_SEGMENTS
 119 #endif
 120
 121 #ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
 122 #define MPT2SAS_SG_DEPTH                CONFIG_SCSI_MPT2SAS_MAX_SGE
 123 #else
 124 #define MPT2SAS_SG_DEPTH                MPT_MAX_PHYS_SEGMENTS
 125 #endif
 126
 127 /*
 128  * Generic Defines
 129  */
 130 #define MPT3SAS_SATA_QUEUE_DEPTH        32
 131 #define MPT3SAS_SAS_QUEUE_DEPTH         254
 132 #define MPT3SAS_RAID_QUEUE_DEPTH        128
 133 #define MPT3SAS_KDUMP_SCSI_IO_DEPTH     200
 134
 135 #define MPT3SAS_RAID_MAX_SECTORS        8192
 136 #define MPT3SAS_HOST_PAGE_SIZE_4K       12
 137 #define MPT3SAS_NVME_QUEUE_DEPTH        128
 138 #define MPT_NAME_LENGTH                 32      /* generic length of strings */
 139 #define MPT_STRING_LENGTH               64
 140 #define MPI_FRAME_START_OFFSET          256
 141 #define REPLY_FREE_POOL_SIZE            512 /*(32 maxcredix *4)*(4 times)*/
 142
 143 #define MPT_MAX_CALLBACKS               32
 144
 145 #define MPT_MAX_HBA_NUM_PHYS            32
 146
 147 #define INTERNAL_CMDS_COUNT             10      /* reserved cmds */
 148 /* reserved for issuing internally framed scsi io cmds */
 149 #define INTERNAL_SCSIIO_CMDS_COUNT      3
 150
 151 #define MPI3_HIM_MASK                   0xFFFFFFFF /* mask every bit*/
 152
 153 #define MPT3SAS_INVALID_DEVICE_HANDLE   0xFFFF
 154
 155 #define MAX_CHAIN_ELEMT_SZ              16
 156 #define DEFAULT_NUM_FWCHAIN_ELEMTS      8
 157
 158 #define IO_UNIT_CONTROL_SHUTDOWN_TIMEOUT 6
 159 #define FW_IMG_HDR_READ_TIMEOUT 15
 160
 161 #define IOC_OPERATIONAL_WAIT_COUNT      10
 162
 163 /*
 164  * NVMe defines
 165  */
 166 #define NVME_PRP_SIZE                   8       /* PRP size */
 167 #define NVME_ERROR_RESPONSE_SIZE        16      /* Max NVME Error Response */
 168 #define NVME_TASK_ABORT_MIN_TIMEOUT     6
 169 #define NVME_TASK_ABORT_MAX_TIMEOUT     60
 170 #define NVME_TASK_MNGT_CUSTOM_MASK      (0x0010)
 171 #define NVME_PRP_PAGE_SIZE              4096    /* Page size */
 172
 173 struct mpt3sas_nvme_cmd {
 174         u8      rsvd[24];
 175         __le64  prp1;
 176         __le64  prp2;
 177 };
 178
 179 /*
 180  * logging format
 181  */
 182 #define ioc_err(ioc, fmt, ...)                                          \
 183         pr_err("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
 184 #define ioc_notice(ioc, fmt, ...)                                       \
 185         pr_notice("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
 186 #define ioc_warn(ioc, fmt, ...)                                         \
 187         pr_warn("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
 188 #define ioc_info(ioc, fmt, ...)                                         \
 189         pr_info("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
 190
 191 /*
 192  *  WarpDrive Specific Log codes
 193  */
 194
 195 #define MPT2_WARPDRIVE_LOGENTRY         (0x8002)
 196 #define MPT2_WARPDRIVE_LC_SSDT                  (0x41)
 197 #define MPT2_WARPDRIVE_LC_SSDLW         (0x43)
 198 #define MPT2_WARPDRIVE_LC_SSDLF         (0x44)
 199 #define MPT2_WARPDRIVE_LC_BRMF                  (0x4D)
 200
 201 /*
 202  * per target private data
 203  */
 204 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
 205 #define MPT_TARGET_FLAGS_VOLUME         0x02
 206 #define MPT_TARGET_FLAGS_DELETED        0x04
 207 #define MPT_TARGET_FASTPATH_IO          0x08
 208 #define MPT_TARGET_FLAGS_PCIE_DEVICE    0x10
 209
 210 #define SAS2_PCI_DEVICE_B0_REVISION     (0x01)
 211 #define SAS3_PCI_DEVICE_C0_REVISION     (0x02)
 212
 213 /* Atlas PCIe Switch Management Port */
 214 #define MPI26_ATLAS_PCIe_SWITCH_DEVID   (0x00B2)
 215
 216 /*
 217  * Intel HBA branding
 218  */
 219 #define MPT2SAS_INTEL_RMS25JB080_BRANDING    \
 220         "Intel(R) Integrated RAID Module RMS25JB080"
 221 #define MPT2SAS_INTEL_RMS25JB040_BRANDING    \
 222         "Intel(R) Integrated RAID Module RMS25JB040"
 223 #define MPT2SAS_INTEL_RMS25KB080_BRANDING    \
 224         "Intel(R) Integrated RAID Module RMS25KB080"
 225 #define MPT2SAS_INTEL_RMS25KB040_BRANDING    \
 226         "Intel(R) Integrated RAID Module RMS25KB040"
 227 #define MPT2SAS_INTEL_RMS25LB040_BRANDING       \
 228         "Intel(R) Integrated RAID Module RMS25LB040"
 229 #define MPT2SAS_INTEL_RMS25LB080_BRANDING       \
 230         "Intel(R) Integrated RAID Module RMS25LB080"
 231 #define MPT2SAS_INTEL_RMS2LL080_BRANDING        \
 232         "Intel Integrated RAID Module RMS2LL080"
 233 #define MPT2SAS_INTEL_RMS2LL040_BRANDING        \
 234         "Intel Integrated RAID Module RMS2LL040"
 235 #define MPT2SAS_INTEL_RS25GB008_BRANDING       \
 236         "Intel(R) RAID Controller RS25GB008"
 237 #define MPT2SAS_INTEL_SSD910_BRANDING          \
 238         "Intel(R) SSD 910 Series"
 239
 240 #define MPT3SAS_INTEL_RMS3JC080_BRANDING       \
 241         "Intel(R) Integrated RAID Module RMS3JC080"
 242 #define MPT3SAS_INTEL_RS3GC008_BRANDING       \
 243         "Intel(R) RAID Controller RS3GC008"
 244 #define MPT3SAS_INTEL_RS3FC044_BRANDING       \
 245         "Intel(R) RAID Controller RS3FC044"
 246 #define MPT3SAS_INTEL_RS3UC080_BRANDING       \
 247         "Intel(R) RAID Controller RS3UC080"
 248
 249 /*
 250  * Intel HBA SSDIDs
 251  */
 252 #define MPT2SAS_INTEL_RMS25JB080_SSDID          0x3516
 253 #define MPT2SAS_INTEL_RMS25JB040_SSDID          0x3517
 254 #define MPT2SAS_INTEL_RMS25KB080_SSDID          0x3518
 255 #define MPT2SAS_INTEL_RMS25KB040_SSDID          0x3519
 256 #define MPT2SAS_INTEL_RMS25LB040_SSDID          0x351A
 257 #define MPT2SAS_INTEL_RMS25LB080_SSDID          0x351B
 258 #define MPT2SAS_INTEL_RMS2LL080_SSDID           0x350E
 259 #define MPT2SAS_INTEL_RMS2LL040_SSDID           0x350F
 260 #define MPT2SAS_INTEL_RS25GB008_SSDID           0x3000
 261 #define MPT2SAS_INTEL_SSD910_SSDID              0x3700
 262
 263 #define MPT3SAS_INTEL_RMS3JC080_SSDID           0x3521
 264 #define MPT3SAS_INTEL_RS3GC008_SSDID            0x3522
 265 #define MPT3SAS_INTEL_RS3FC044_SSDID            0x3523
 266 #define MPT3SAS_INTEL_RS3UC080_SSDID            0x3524
 267
 268 /*
 269  * Dell HBA branding
 270  */
 271 #define MPT2SAS_DELL_BRANDING_SIZE                 32
 272
 273 #define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING        "Dell 6Gbps SAS HBA"
 274 #define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING    "Dell PERC H200 Adapter"
 275 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
 276 #define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING    "Dell PERC H200 Modular"
 277 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING   "Dell PERC H200 Embedded"
 278 #define MPT2SAS_DELL_PERC_H200_BRANDING            "Dell PERC H200"
 279 #define MPT2SAS_DELL_6GBPS_SAS_BRANDING            "Dell 6Gbps SAS"
 280
 281 #define MPT3SAS_DELL_12G_HBA_BRANDING       \
 282         "Dell 12Gbps HBA"
 283
 284 /*
 285  * Dell HBA SSDIDs
 286  */
 287 #define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID        0x1F1C
 288 #define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID    0x1F1D
 289 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E
 290 #define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID    0x1F1F
 291 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID   0x1F20
 292 #define MPT2SAS_DELL_PERC_H200_SSDID            0x1F21
 293 #define MPT2SAS_DELL_6GBPS_SAS_SSDID            0x1F22
 294
 295 #define MPT3SAS_DELL_12G_HBA_SSDID              0x1F46
 296
 297 /*
 298  * Cisco HBA branding
 299  */
 300 #define MPT3SAS_CISCO_12G_8E_HBA_BRANDING               \
 301         "Cisco 9300-8E 12G SAS HBA"
 302 #define MPT3SAS_CISCO_12G_8I_HBA_BRANDING               \
 303         "Cisco 9300-8i 12G SAS HBA"
 304 #define MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING    \
 305         "Cisco 12G Modular SAS Pass through Controller"
 306 #define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING         \
 307         "UCS C3X60 12G SAS Pass through Controller"
 308 /*
 309  * Cisco HBA SSSDIDs
 310  */
 311 #define MPT3SAS_CISCO_12G_8E_HBA_SSDID  0x14C
 312 #define MPT3SAS_CISCO_12G_8I_HBA_SSDID  0x154
 313 #define MPT3SAS_CISCO_12G_AVILA_HBA_SSDID  0x155
 314 #define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_SSDID  0x156
 315
 316 /*
 317  * status bits for ioc->diag_buffer_status
 318  */
 319 #define MPT3_DIAG_BUFFER_IS_REGISTERED  (0x01)
 320 #define MPT3_DIAG_BUFFER_IS_RELEASED    (0x02)
 321 #define MPT3_DIAG_BUFFER_IS_DIAG_RESET  (0x04)
 322 #define MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED (0x08)
 323 #define MPT3_DIAG_BUFFER_IS_APP_OWNED (0x10)
 324
 325 /*
 326  * HP HBA branding
 327  */
 328 #define MPT2SAS_HP_3PAR_SSVID                0x1590
 329
 330 #define MPT2SAS_HP_2_4_INTERNAL_BRANDING        \
 331         "HP H220 Host Bus Adapter"
 332 #define MPT2SAS_HP_2_4_EXTERNAL_BRANDING        \
 333         "HP H221 Host Bus Adapter"
 334 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING   \
 335         "HP H222 Host Bus Adapter"
 336 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING       \
 337         "HP H220i Host Bus Adapter"
 338 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING       \
 339         "HP H210i Host Bus Adapter"
 340
 341 /*
 342  * HO HBA SSDIDs
 343  */
 344 #define MPT2SAS_HP_2_4_INTERNAL_SSDID                   0x0041
 345 #define MPT2SAS_HP_2_4_EXTERNAL_SSDID                   0x0042
 346 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID      0x0043
 347 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID          0x0044
 348 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID          0x0046
 349
 350 /*
 351  * Combined Reply Queue constants,
 352  * There are twelve Supplemental Reply Post Host Index Registers
 353  * and each register is at offset 0x10 bytes from the previous one.
 354  */
 355 #define MAX_COMBINED_MSIX_VECTORS(gen35) ((gen35 == 1) ? 16 : 8)
 356 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G3     12
 357 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G35    16
 358 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET       (0x10)
 359 #define MPT3_MIN_IRQS                                   1
 360
 361 /* OEM Identifiers */
 362 #define MFG10_OEM_ID_INVALID                   (0x00000000)
 363 #define MFG10_OEM_ID_DELL                      (0x00000001)
 364 #define MFG10_OEM_ID_FSC                       (0x00000002)
 365 #define MFG10_OEM_ID_SUN                       (0x00000003)
 366 #define MFG10_OEM_ID_IBM                       (0x00000004)
 367
 368 /* GENERIC Flags 0*/
 369 #define MFG10_GF0_OCE_DISABLED                 (0x00000001)
 370 #define MFG10_GF0_R1E_DRIVE_COUNT              (0x00000002)
 371 #define MFG10_GF0_R10_DISPLAY                  (0x00000004)
 372 #define MFG10_GF0_SSD_DATA_SCRUB_DISABLE       (0x00000008)
 373 #define MFG10_GF0_SINGLE_DRIVE_R0              (0x00000010)
 374
 375 #define VIRTUAL_IO_FAILED_RETRY                 (0x32010081)
 376
 377 /* High IOPs definitions */
 378 #define MPT3SAS_DEVICE_HIGH_IOPS_DEPTH          8
 379 #define MPT3SAS_HIGH_IOPS_REPLY_QUEUES          8
 380 #define MPT3SAS_HIGH_IOPS_BATCH_COUNT           16
 381 #define MPT3SAS_GEN35_MAX_MSIX_QUEUES           128
 382 #define RDPQ_MAX_INDEX_IN_ONE_CHUNK             16
 383
 384 /* OEM Specific Flags will come from OEM specific header files */
 385 struct Mpi2ManufacturingPage10_t {
 386         MPI2_CONFIG_PAGE_HEADER Header;         /* 00h */
 387         U8      OEMIdentifier;                  /* 04h */
 388         U8      Reserved1;                      /* 05h */
 389         U16     Reserved2;                      /* 08h */
 390         U32     Reserved3;                      /* 0Ch */
 391         U32     GenericFlags0;                  /* 10h */
 392         U32     GenericFlags1;                  /* 14h */
 393         U32     Reserved4;                      /* 18h */
 394         U32     OEMSpecificFlags0;              /* 1Ch */
 395         U32     OEMSpecificFlags1;              /* 20h */
 396         U32     Reserved5[18];                  /* 24h - 60h*/
 397 };
 398
 399
 400 /* Miscellaneous options */
 401 struct Mpi2ManufacturingPage11_t {
 402         MPI2_CONFIG_PAGE_HEADER Header;         /* 00h */
 403         __le32  Reserved1;                      /* 04h */
 404         u8      Reserved2;                      /* 08h */
 405         u8      EEDPTagMode;                    /* 09h */
 406         u8      Reserved3;                      /* 0Ah */
 407         u8      Reserved4;                      /* 0Bh */
 408         __le32  Reserved5[8];                   /* 0Ch-2Ch */
 409         u16     AddlFlags2;                     /* 2Ch */
 410         u8      AddlFlags3;                     /* 2Eh */
 411         u8      Reserved6;                      /* 2Fh */
 412         __le32  Reserved7[7];                   /* 30h - 4Bh */
 413         u8      NVMeAbortTO;                    /* 4Ch */
 414         u8      NumPerDevEvents;                /* 4Dh */
 415         u8      HostTraceBufferDecrementSizeKB; /* 4Eh */
 416         u8      HostTraceBufferFlags;           /* 4Fh */
 417         u16     HostTraceBufferMaxSizeKB;       /* 50h */
 418         u16     HostTraceBufferMinSizeKB;       /* 52h */
 419         u8      CoreDumpTOSec;                  /* 54h */
 420         u8      TimeSyncInterval;               /* 55h */
 421         u16     Reserved9;                      /* 56h */
 422         __le32  Reserved10;                     /* 58h */
 423 };
 424
 425 /**
 426  * struct MPT3SAS_TARGET - starget private hostdata
 427  * @starget: starget object
 428  * @sas_address: target sas address
 429  * @raid_device: raid_device pointer to access volume data
 430  * @handle: device handle
 431  * @num_luns: number luns
 432  * @flags: MPT_TARGET_FLAGS_XXX flags
 433  * @deleted: target flaged for deletion
 434  * @tm_busy: target is busy with TM request.
 435  * @port: hba port entry containing target's port number info
 436  * @sas_dev: The sas_device associated with this target
 437  * @pcie_dev: The pcie device associated with this target
 438  */
 439 struct MPT3SAS_TARGET {
 440         struct scsi_target *starget;
 441         u64     sas_address;
 442         struct _raid_device *raid_device;
 443         u16     handle;
 444         int     num_luns;
 445         u32     flags;
 446         u8      deleted;
 447         u8      tm_busy;
 448         struct hba_port *port;
 449         struct _sas_device *sas_dev;
 450         struct _pcie_device *pcie_dev;
 451 };
 452
 453
 454 /*
 455  * per device private data
 456  */
 457 #define MPT_DEVICE_FLAGS_INIT           0x01
 458
 459 #define MFG_PAGE10_HIDE_SSDS_MASK       (0x00000003)
 460 #define MFG_PAGE10_HIDE_ALL_DISKS       (0x00)
 461 #define MFG_PAGE10_EXPOSE_ALL_DISKS     (0x01)
 462 #define MFG_PAGE10_HIDE_IF_VOL_PRESENT  (0x02)
 463
 464 /**
 465  * struct MPT3SAS_DEVICE - sdev private hostdata
 466  * @sas_target: starget private hostdata
 467  * @lun: lun number
 468  * @flags: MPT_DEVICE_XXX flags
 469  * @configured_lun: lun is configured
 470  * @block: device is in SDEV_BLOCK state
 471  * @tlr_snoop_check: flag used in determining whether to disable TLR
 472  * @eedp_enable: eedp support enable bit
 473  * @eedp_type: 0(type_1), 1(type_2), 2(type_3)
 474  * @eedp_block_length: block size
 475  * @ata_command_pending: SATL passthrough outstanding for device
 476  */
 477 struct MPT3SAS_DEVICE {
 478         struct MPT3SAS_TARGET *sas_target;
 479         unsigned int    lun;
 480         u32     flags;
 481         u8      configured_lun;
 482         u8      block;
 483         u8      tlr_snoop_check;
 484         u8      ignore_delay_remove;
 485         /* Iopriority Command Handling */
 486         u8      ncq_prio_enable;
 487         /*
 488          * Bug workaround for SATL handling: the mpt2/3sas firmware
 489          * doesn't return BUSY or TASK_SET_FULL for subsequent
 490          * commands while a SATL pass through is in operation as the
 491          * spec requires, it simply does nothing with them until the
 492          * pass through completes, causing them possibly to timeout if
 493          * the passthrough is a long executing command (like format or
 494          * secure erase).  This variable allows us to do the right
 495          * thing while a SATL command is pending.
 496          */
 497         unsigned long ata_command_pending;
 498
 499 };
 500
 501 #define MPT3_CMD_NOT_USED       0x8000  /* free */
 502 #define MPT3_CMD_COMPLETE       0x0001  /* completed */
 503 #define MPT3_CMD_PENDING        0x0002  /* pending */
 504 #define MPT3_CMD_REPLY_VALID    0x0004  /* reply is valid */
 505 #define MPT3_CMD_RESET          0x0008  /* host reset dropped the command */
 506 #define MPT3_CMD_COMPLETE_ASYNC 0x0010  /* tells whether cmd completes in same thread or not */
 507
 508 /**
 509  * struct _internal_cmd - internal commands struct
 510  * @mutex: mutex
 511  * @done: completion
 512  * @reply: reply message pointer
 513  * @sense: sense data
 514  * @status: MPT3_CMD_XXX status
 515  * @smid: system message id
 516  */
 517 struct _internal_cmd {
 518         struct mutex mutex;
 519         struct completion done;
 520         void    *reply;
 521         void    *sense;
 522         u16     status;
 523         u16     smid;
 524 };
 525
 526
 527
 528 /**
 529  * struct _sas_device - attached device information
 530  * @list: sas device list
 531  * @starget: starget object
 532  * @sas_address: device sas address
 533  * @device_name: retrieved from the SAS IDENTIFY frame.
 534  * @handle: device handle
 535  * @sas_address_parent: sas address of parent expander or sas host
 536  * @enclosure_handle: enclosure handle
 537  * @enclosure_logical_id: enclosure logical identifier
 538  * @volume_handle: volume handle (valid when hidden raid member)
 539  * @volume_wwid: volume unique identifier
 540  * @device_info: bitfield provides detailed info about the device
 541  * @id: target id
 542  * @channel: target channel
 543  * @slot: number number
 544  * @phy: phy identifier provided in sas device page 0
 545  * @responding: used in _scsih_sas_device_mark_responding
 546  * @fast_path: fast path feature enable bit
 547  * @pfa_led_on: flag for PFA LED status
 548  * @pend_sas_rphy_add: flag to check if device is in sas_rphy_add()
 549  *      addition routine.
 550  * @chassis_slot: chassis slot
 551  * @is_chassis_slot_valid: chassis slot valid or not
 552  * @port: hba port entry containing device's port number info
 553  * @rphy: device's sas_rphy address used to identify this device structure in
 554  *      target_alloc callback function
 555  */
 556 struct _sas_device {
 557         struct list_head list;
 558         struct scsi_target *starget;
 559         u64     sas_address;
 560         u64     device_name;
 561         u16     handle;
 562         u64     sas_address_parent;
 563         u16     enclosure_handle;
 564         u64     enclosure_logical_id;
 565         u16     volume_handle;
 566         u64     volume_wwid;
 567         u32     device_info;
 568         int     id;
 569         int     channel;
 570         u16     slot;
 571         u8      phy;
 572         u8      responding;
 573         u8      fast_path;
 574         u8      pfa_led_on;
 575         u8      pend_sas_rphy_add;
 576         u8      enclosure_level;
 577         u8      chassis_slot;
 578         u8      is_chassis_slot_valid;
 579         u8      connector_name[5];
 580         struct kref refcount;
 581         u8      port_type;
 582         struct hba_port *port;
 583         struct sas_rphy *rphy;
 584 };
 585
 586 static inline void sas_device_get(struct _sas_device *s)
 587 {
 588         kref_get(&s->refcount);
 589 }
 590
 591 static inline void sas_device_free(struct kref *r)
 592 {
 593         kfree(container_of(r, struct _sas_device, refcount));
 594 }
 595
 596 static inline void sas_device_put(struct _sas_device *s)
 597 {
 598         kref_put(&s->refcount, sas_device_free);
 599 }
 600
 601 /*
 602  * struct _pcie_device - attached PCIe device information
 603  * @list: pcie device list
 604  * @starget: starget object
 605  * @wwid: device WWID
 606  * @handle: device handle
 607  * @device_info: bitfield provides detailed info about the device
 608  * @id: target id
 609  * @channel: target channel
 610  * @slot: slot number
 611  * @port_num: port number
 612  * @responding: used in _scsih_pcie_device_mark_responding
 613  * @fast_path: fast path feature enable bit
 614  * @nvme_mdts: MaximumDataTransferSize from PCIe Device Page 2 for
 615  *              NVMe device only
 616  * @enclosure_handle: enclosure handle
 617  * @enclosure_logical_id: enclosure logical identifier
 618  * @enclosure_level: The level of device's enclosure from the controller
 619  * @connector_name: ASCII value of the Connector's name
 620  * @serial_number: pointer of serial number string allocated runtime
 621  * @access_status: Device's Access Status
 622  * @shutdown_latency: NVMe device's RTD3 Entry Latency
 623  * @refcount: reference count for deletion
 624  */
 625 struct _pcie_device {
 626         struct list_head list;
 627         struct scsi_target *starget;
 628         u64     wwid;
 629         u16     handle;
 630         u32     device_info;
 631         int     id;
 632         int     channel;
 633         u16     slot;
 634         u8      port_num;
 635         u8      responding;
 636         u8      fast_path;
 637         u32     nvme_mdts;
 638         u16     enclosure_handle;
 639         u64     enclosure_logical_id;
 640         u8      enclosure_level;
 641         u8      connector_name[4];
 642         u8      *serial_number;
 643         u8      reset_timeout;
 644         u8      access_status;
 645         u16     shutdown_latency;
 646         struct kref refcount;
 647 };
 648 /**
 649  * pcie_device_get - Increment the pcie device reference count
 650  *
 651  * @p: pcie_device object
 652  *
 653  * When ever this function called it will increment the
 654  * reference count of the pcie device for which this function called.
 655  *
 656  */
 657 static inline void pcie_device_get(struct _pcie_device *p)
 658 {
 659         kref_get(&p->refcount);
 660 }
 661
 662 /**
 663  * pcie_device_free - Release the pcie device object
 664  * @r - kref object
 665  *
 666  * Free's the pcie device object. It will be called when reference count
 667  * reaches to zero.
 668  */
 669 static inline void pcie_device_free(struct kref *r)
 670 {
 671         kfree(container_of(r, struct _pcie_device, refcount));
 672 }
 673
 674 /**
 675  * pcie_device_put - Decrement the pcie device reference count
 676  *
 677  * @p: pcie_device object
 678  *
 679  * When ever this function called it will decrement the
 680  * reference count of the pcie device for which this function called.
 681  *
 682  * When refernce count reaches to Zero, this will call pcie_device_free to the
 683  * pcie_device object.
 684  */
 685 static inline void pcie_device_put(struct _pcie_device *p)
 686 {
 687         kref_put(&p->refcount, pcie_device_free);
 688 }
 689 /**
 690  * struct _raid_device - raid volume link list
 691  * @list: sas device list
 692  * @starget: starget object
 693  * @sdev: scsi device struct (volumes are single lun)
 694  * @wwid: unique identifier for the volume
 695  * @handle: device handle
 696  * @block_size: Block size of the volume
 697  * @id: target id
 698  * @channel: target channel
 699  * @volume_type: the raid level
 700  * @device_info: bitfield provides detailed info about the hidden components
 701  * @num_pds: number of hidden raid components
 702  * @responding: used in _scsih_raid_device_mark_responding
 703  * @percent_complete: resync percent complete
 704  * @direct_io_enabled: Whether direct io to PDs are allowed or not
 705  * @stripe_exponent: X where 2powX is the stripe sz in blocks
 706  * @block_exponent: X where 2powX is the block sz in bytes
 707  * @max_lba: Maximum number of LBA in the volume
 708  * @stripe_sz: Stripe Size of the volume
 709  * @device_info: Device info of the volume member disk
 710  * @pd_handle: Array of handles of the physical drives for direct I/O in le16
 711  */
 712 #define MPT_MAX_WARPDRIVE_PDS           8
 713 struct _raid_device {
 714         struct list_head list;
 715         struct scsi_target *starget;
 716         struct scsi_device *sdev;
 717         u64     wwid;
 718         u16     handle;
 719         u16     block_sz;
 720         int     id;
 721         int     channel;
 722         u8      volume_type;
 723         u8      num_pds;
 724         u8      responding;
 725         u8      percent_complete;
 726         u8      direct_io_enabled;
 727         u8      stripe_exponent;
 728         u8      block_exponent;
 729         u64     max_lba;
 730         u32     stripe_sz;
 731         u32     device_info;
 732         u16     pd_handle[MPT_MAX_WARPDRIVE_PDS];
 733 };
 734
 735 /**
 736  * struct _boot_device - boot device info
 737  *
 738  * @channel: sas, raid, or pcie channel
 739  * @device: holds pointer for struct _sas_device, struct _raid_device or
 740  *     struct _pcie_device
 741  */
 742 struct _boot_device {
 743         int channel;
 744         void *device;
 745 };
 746
 747 /**
 748  * struct _sas_port - wide/narrow sas port information
 749  * @port_list: list of ports belonging to expander
 750  * @num_phys: number of phys belonging to this port
 751  * @remote_identify: attached device identification
 752  * @rphy: sas transport rphy object
 753  * @port: sas transport wide/narrow port object
 754  * @hba_port: hba port entry containing port's port number info
 755  * @phy_list: _sas_phy list objects belonging to this port
 756  */
 757 struct _sas_port {
 758         struct list_head port_list;
 759         u8      num_phys;
 760         struct sas_identify remote_identify;
 761         struct sas_rphy *rphy;
 762         struct sas_port *port;
 763         struct hba_port *hba_port;
 764         struct list_head phy_list;
 765 };
 766
 767 /**
 768  * struct _sas_phy - phy information
 769  * @port_siblings: list of phys belonging to a port
 770  * @identify: phy identification
 771  * @remote_identify: attached device identification
 772  * @phy: sas transport phy object
 773  * @phy_id: unique phy id
 774  * @handle: device handle for this phy
 775  * @attached_handle: device handle for attached device
 776  * @phy_belongs_to_port: port has been created for this phy
 777  * @port: hba port entry containing port number info
 778  */
 779 struct _sas_phy {
 780         struct list_head port_siblings;
 781         struct sas_identify identify;
 782         struct sas_identify remote_identify;
 783         struct sas_phy *phy;
 784         u8      phy_id;
 785         u16     handle;
 786         u16     attached_handle;
 787         u8      phy_belongs_to_port;
 788         u8      hba_vphy;
 789         struct hba_port *port;
 790 };
 791
 792 /**
 793  * struct _sas_node - sas_host/expander information
 794  * @list: list of expanders
 795  * @parent_dev: parent device class
 796  * @num_phys: number phys belonging to this sas_host/expander
 797  * @sas_address: sas address of this sas_host/expander
 798  * @handle: handle for this sas_host/expander
 799  * @sas_address_parent: sas address of parent expander or sas host
 800  * @enclosure_handle: handle for this a member of an enclosure
 801  * @device_info: bitwise defining capabilities of this sas_host/expander
 802  * @responding: used in _scsih_expander_device_mark_responding
 803  * @nr_phys_allocated: Allocated memory for this many count phys
 804  * @phy: a list of phys that make up this sas_host/expander
 805  * @sas_port_list: list of ports attached to this sas_host/expander
 806  * @port: hba port entry containing node's port number info
 807  * @rphy: sas_rphy object of this expander
 808  */
 809 struct _sas_node {
 810         struct list_head list;
 811         struct device *parent_dev;
 812         u8      num_phys;
 813         u64     sas_address;
 814         u16     handle;
 815         u64     sas_address_parent;
 816         u16     enclosure_handle;
 817         u64     enclosure_logical_id;
 818         u8      responding;
 819         u8      nr_phys_allocated;
 820         struct hba_port *port;
 821         struct  _sas_phy *phy;
 822         struct list_head sas_port_list;
 823         struct sas_rphy *rphy;
 824 };
 825
 826 /**
 827  * struct _enclosure_node - enclosure information
 828  * @list: list of enclosures
 829  * @pg0: enclosure pg0;
 830  */
 831 struct _enclosure_node {
 832         struct list_head list;
 833         Mpi2SasEnclosurePage0_t pg0;
 834 };
 835
 836 /**
 837  * enum reset_type - reset state
 838  * @FORCE_BIG_HAMMER: issue diagnostic reset
 839  * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
 840  */
 841 enum reset_type {
 842         FORCE_BIG_HAMMER,
 843         SOFT_RESET,
 844 };
 845
 846 /**
 847  * struct pcie_sg_list - PCIe SGL buffer (contiguous per I/O)
 848  * @pcie_sgl: PCIe native SGL for NVMe devices
 849  * @pcie_sgl_dma: physical address
 850  */
 851 struct pcie_sg_list {
 852         void            *pcie_sgl;
 853         dma_addr_t      pcie_sgl_dma;
 854 };
 855
 856 /**
 857  * struct chain_tracker - firmware chain tracker
 858  * @chain_buffer: chain buffer
 859  * @chain_buffer_dma: physical address
 860  * @tracker_list: list of free request (ioc->free_chain_list)
 861  */
 862 struct chain_tracker {
 863         void *chain_buffer;
 864         dma_addr_t chain_buffer_dma;
 865 };
 866
 867 struct chain_lookup {
 868         struct chain_tracker *chains_per_smid;
 869         atomic_t        chain_offset;
 870 };
 871
 872 /**
 873  * struct scsiio_tracker - scsi mf request tracker
 874  * @smid: system message id
 875  * @cb_idx: callback index
 876  * @direct_io: To indicate whether I/O is direct (WARPDRIVE)
 877  * @chain_list: list of associated firmware chain tracker
 878  * @msix_io: IO's msix
 879  */
 880 struct scsiio_tracker {
 881         u16     smid;
 882         struct scsi_cmnd *scmd;
 883         u8      cb_idx;
 884         u8      direct_io;
 885         struct pcie_sg_list pcie_sg_list;
 886         struct list_head chain_list;
 887         u16     msix_io;
 888 };
 889
 890 /**
 891  * struct request_tracker - firmware request tracker
 892  * @smid: system message id
 893  * @cb_idx: callback index
 894  * @tracker_list: list of free request (ioc->free_list)
 895  */
 896 struct request_tracker {
 897         u16     smid;
 898         u8      cb_idx;
 899         struct list_head tracker_list;
 900 };
 901
 902 /**
 903  * struct _tr_list - target reset list
 904  * @handle: device handle
 905  * @state: state machine
 906  */
 907 struct _tr_list {
 908         struct list_head list;
 909         u16     handle;
 910         u16     state;
 911 };
 912
 913 /**
 914  * struct _sc_list - delayed SAS_IO_UNIT_CONTROL message list
 915  * @handle: device handle
 916  */
 917 struct _sc_list {
 918         struct list_head list;
 919         u16     handle;
 920 };
 921
 922 /**
 923  * struct _event_ack_list - delayed event acknowledgment list
 924  * @Event: Event ID
 925  * @EventContext: used to track the event uniquely
 926  */
 927 struct _event_ack_list {
 928         struct list_head list;
 929         U16     Event;
 930         U32     EventContext;
 931 };
 932
 933 /**
 934  * struct adapter_reply_queue - the reply queue struct
 935  * @ioc: per adapter object
 936  * @msix_index: msix index into vector table
 937  * @vector: irq vector
 938  * @reply_post_host_index: head index in the pool where FW completes IO
 939  * @reply_post_free: reply post base virt address
 940  * @name: the name registered to request_irq()
 941  * @busy: isr is actively processing replies on another cpu
 942  * @os_irq: irq number
 943  * @irqpoll: irq_poll object
 944  * @irq_poll_scheduled: Tells whether irq poll is scheduled or not
 945  * @is_iouring_poll_q: Tells whether reply queues is assigned
 946  *                      to io uring poll queues or not
 947  * @list: this list
 948 */
 949 struct adapter_reply_queue {
 950         struct MPT3SAS_ADAPTER  *ioc;
 951         u8                      msix_index;
 952         u32                     reply_post_host_index;
 953         Mpi2ReplyDescriptorsUnion_t *reply_post_free;
 954         char                    name[MPT_NAME_LENGTH];
 955         atomic_t                busy;
 956         u32                     os_irq;
 957         struct irq_poll         irqpoll;
 958         bool                    irq_poll_scheduled;
 959         bool                    irq_line_enable;
 960         bool                    is_iouring_poll_q;
 961         struct list_head        list;
 962 };
 963
 964 /**
 965  * struct io_uring_poll_queue - the io uring poll queue structure
 966  * @busy: Tells whether io uring poll queue is busy or not
 967  * @pause: Tells whether IOs are paused on io uring poll queue or not
 968  * @reply_q: reply queue mapped for io uring poll queue
 969  */
 970 struct io_uring_poll_queue {
 971         atomic_t        busy;
 972         atomic_t        pause;
 973         struct adapter_reply_queue *reply_q;
 974 };
 975
 976 typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
 977
 978 /* SAS3.0 support */
 979 typedef int (*MPT_BUILD_SG_SCMD)(struct MPT3SAS_ADAPTER *ioc,
 980         struct scsi_cmnd *scmd, u16 smid, struct _pcie_device *pcie_device);
 981 typedef void (*MPT_BUILD_SG)(struct MPT3SAS_ADAPTER *ioc, void *psge,
 982                 dma_addr_t data_out_dma, size_t data_out_sz,
 983                 dma_addr_t data_in_dma, size_t data_in_sz);
 984 typedef void (*MPT_BUILD_ZERO_LEN_SGE)(struct MPT3SAS_ADAPTER *ioc,
 985                 void *paddr);
 986
 987 /* SAS3.5 support */
 988 typedef void (*NVME_BUILD_PRP)(struct MPT3SAS_ADAPTER *ioc, u16 smid,
 989         Mpi26NVMeEncapsulatedRequest_t *nvme_encap_request,
 990         dma_addr_t data_out_dma, size_t data_out_sz, dma_addr_t data_in_dma,
 991         size_t data_in_sz);
 992
 993 /* To support atomic and non atomic descriptors*/
 994 typedef void (*PUT_SMID_IO_FP_HIP) (struct MPT3SAS_ADAPTER *ioc, u16 smid,
 995         u16 funcdep);
 996 typedef void (*PUT_SMID_DEFAULT) (struct MPT3SAS_ADAPTER *ioc, u16 smid);
 997 typedef u32 (*BASE_READ_REG) (const void __iomem *addr);
 998 /*
 999  * To get high iops reply queue's msix index when high iops mode is enabled
1000  * else get the msix index of general reply queues.
1001  */
1002 typedef u8 (*GET_MSIX_INDEX) (struct MPT3SAS_ADAPTER *ioc,
1003         struct scsi_cmnd *scmd);
1004
1005 /* IOC Facts and Port Facts converted from little endian to cpu */
1006 union mpi3_version_union {
1007         MPI2_VERSION_STRUCT             Struct;
1008         u32                             Word;
1009 };
1010
1011 struct mpt3sas_facts {
1012         u16                     MsgVersion;
1013         u16                     HeaderVersion;
1014         u8                      IOCNumber;
1015         u8                      VP_ID;
1016         u8                      VF_ID;
1017         u16                     IOCExceptions;
1018         u16                     IOCStatus;
1019         u32                     IOCLogInfo;
1020         u8                      MaxChainDepth;
1021         u8                      WhoInit;
1022         u8                      NumberOfPorts;
1023         u8                      MaxMSIxVectors;
1024         u16                     RequestCredit;
1025         u16                     ProductID;
1026         u32                     IOCCapabilities;
1027         union mpi3_version_union        FWVersion;
1028         u16                     IOCRequestFrameSize;
1029         u16                     IOCMaxChainSegmentSize;
1030         u16                     MaxInitiators;
1031         u16                     MaxTargets;
1032         u16                     MaxSasExpanders;
1033         u16                     MaxEnclosures;
1034         u16                     ProtocolFlags;
1035         u16                     HighPriorityCredit;
1036         u16                     MaxReplyDescriptorPostQueueDepth;
1037         u8                      ReplyFrameSize;
1038         u8                      MaxVolumes;
1039         u16                     MaxDevHandle;
1040         u16                     MaxPersistentEntries;
1041         u16                     MinDevHandle;
1042         u8                      CurrentHostPageSize;
1043 };
1044
1045 struct mpt3sas_port_facts {
1046         u8                      PortNumber;
1047         u8                      VP_ID;
1048         u8                      VF_ID;
1049         u8                      PortType;
1050         u16                     MaxPostedCmdBuffers;
1051 };
1052
1053 struct reply_post_struct {
1054         Mpi2ReplyDescriptorsUnion_t     *reply_post_free;
1055         dma_addr_t                      reply_post_free_dma;
1056 };
1057
1058 /**
1059  * struct virtual_phy - vSES phy structure
1060  * sas_address: SAS Address of vSES device
1061  * phy_mask: vSES device's phy number
1062  * flags: flags used to manage this structure
1063  */
1064 struct virtual_phy {
1065         struct  list_head list;
1066         u64     sas_address;
1067         u32     phy_mask;
1068         u8      flags;
1069 };
1070
1071 #define MPT_VPHY_FLAG_DIRTY_PHY 0x01
1072
1073 /**
1074  * struct hba_port - Saves each HBA's Wide/Narrow port info
1075  * @sas_address: sas address of this wide/narrow port's attached device
1076  * @phy_mask: HBA PHY's belonging to this port
1077  * @port_id: port number
1078  * @flags: hba port flags
1079  * @vphys_mask : mask of vSES devices Phy number
1080  * @vphys_list : list containing vSES device structures
1081  */
1082 struct hba_port {
1083         struct list_head list;
1084         u64     sas_address;
1085         u32     phy_mask;
1086         u8      port_id;
1087         u8      flags;
1088         u32     vphys_mask;
1089         struct list_head vphys_list;
1090 };
1091
1092 /* hba port flags */
1093 #define HBA_PORT_FLAG_DIRTY_PORT       0x01
1094 #define HBA_PORT_FLAG_NEW_PORT         0x02
1095
1096 #define MULTIPATH_DISABLED_PORT_ID     0xFF
1097
1098 /**
1099  * struct htb_rel_query - diagnostic buffer release reason
1100  * @unique_id - unique id associated with this buffer.
1101  * @buffer_rel_condition - Release condition ioctl/sysfs/reset
1102  * @reserved
1103  * @trigger_type - Master/Event/scsi/MPI
1104  * @trigger_info_dwords - Data Correspondig to trigger type
1105  */
1106 struct htb_rel_query {
1107         u16     buffer_rel_condition;
1108         u16     reserved;
1109         u32     trigger_type;
1110         u32     trigger_info_dwords[2];
1111 };
1112
1113 /* Buffer_rel_condition bit fields */
1114
1115 /* Bit 0 - Diag Buffer not Released */
1116 #define MPT3_DIAG_BUFFER_NOT_RELEASED   (0x00)
1117 /* Bit 0 - Diag Buffer Released */
1118 #define MPT3_DIAG_BUFFER_RELEASED       (0x01)
1119
1120 /*
1121  * Bit 1 - Diag Buffer Released by IOCTL,
1122  * This bit is valid only if Bit 0 is one
1123  */
1124 #define MPT3_DIAG_BUFFER_REL_IOCTL      (0x02 | MPT3_DIAG_BUFFER_RELEASED)
1125
1126 /*
1127  * Bit 2 - Diag Buffer Released by Trigger,
1128  * This bit is valid only if Bit 0 is one
1129  */
1130 #define MPT3_DIAG_BUFFER_REL_TRIGGER    (0x04 | MPT3_DIAG_BUFFER_RELEASED)
1131
1132 /*
1133  * Bit 3 - Diag Buffer Released by SysFs,
1134  * This bit is valid only if Bit 0 is one
1135  */
1136 #define MPT3_DIAG_BUFFER_REL_SYSFS      (0x08 | MPT3_DIAG_BUFFER_RELEASED)
1137
1138 /* DIAG RESET Master trigger flags */
1139 #define MPT_DIAG_RESET_ISSUED_BY_DRIVER 0x00000000
1140 #define MPT_DIAG_RESET_ISSUED_BY_USER   0x00000001
1141
1142 typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc);
1143 /**
1144  * struct MPT3SAS_ADAPTER - per adapter struct
1145  * @list: ioc_list
1146  * @shost: shost object
1147  * @id: unique adapter id
1148  * @cpu_count: number online cpus
1149  * @name: generic ioc string
1150  * @tmp_string: tmp string used for logging
1151  * @pdev: pci pdev object
1152  * @pio_chip: physical io register space
1153  * @chip: memory mapped register space
1154  * @chip_phys: physical addrss prior to mapping
1155  * @logging_level: see mpt3sas_debug.h
1156  * @fwfault_debug: debuging FW timeouts
1157  * @ir_firmware: IR firmware present
1158  * @bars: bitmask of BAR's that must be configured
1159  * @mask_interrupts: ignore interrupt
1160  * @pci_access_mutex: Mutex to synchronize ioctl, sysfs show path and
1161  *                      pci resource handling
1162  * @fault_reset_work_q_name: fw fault work queue
1163  * @fault_reset_work_q: ""
1164  * @fault_reset_work: ""
1165  * @firmware_event_thread: fw event work queue
1166  * @fw_event_lock:
1167  * @fw_event_list: list of fw events
1168  * @current_evet: current processing firmware event
1169  * @fw_event_cleanup: set to one while cleaning up the fw events
1170  * @aen_event_read_flag: event log was read
1171  * @broadcast_aen_busy: broadcast aen waiting to be serviced
1172  * @shost_recovery: host reset in progress
1173  * @ioc_reset_in_progress_lock:
1174  * @ioc_link_reset_in_progress: phy/hard reset in progress
1175  * @ignore_loginfos: ignore loginfos during task management
1176  * @remove_host: flag for when driver unloads, to avoid sending dev resets
1177  * @pci_error_recovery: flag to prevent ioc access until slot reset completes
1178  * @wait_for_discovery_to_complete: flag set at driver load time when
1179  *                                               waiting on reporting devices
1180  * @is_driver_loading: flag set at driver load time
1181  * @port_enable_failed: flag set when port enable has failed
1182  * @start_scan: flag set from scan_start callback, cleared from _mpt3sas_fw_work
1183  * @start_scan_failed: means port enable failed, return's the ioc_status
1184  * @msix_enable: flag indicating msix is enabled
1185  * @msix_vector_count: number msix vectors
1186  * @cpu_msix_table: table for mapping cpus to msix index
1187  * @cpu_msix_table_sz: table size
1188  * @total_io_cnt: Gives total IO count, used to load balance the interrupts
1189  * @ioc_coredump_loop: will have non-zero value when FW is in CoreDump state
1190  * @timestamp_update_count: Counter to fire timeSync command
1191  * time_sync_interval: Time sync interval read from man page 11
1192  * @high_iops_outstanding: used to load balance the interrupts
1193  *                              within high iops reply queues
1194  * @msix_load_balance: Enables load balancing of interrupts across
1195  * the multiple MSIXs
1196  * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
1197  * @thresh_hold: Max number of reply descriptors processed
1198  *                              before updating Host Index
1199  * @iopoll_q_start_index: starting index of io uring poll queues
1200  *                              in reply queue list
1201  * @drv_internal_flags: Bit map internal to driver
1202  * @drv_support_bitmap: driver's supported feature bit map
1203  * @use_32bit_dma: Flag to use 32 bit consistent dma mask
1204  * @scsi_io_cb_idx: shost generated commands
1205  * @tm_cb_idx: task management commands
1206  * @scsih_cb_idx: scsih internal commands
1207  * @transport_cb_idx: transport internal commands
1208  * @ctl_cb_idx: clt internal commands
1209  * @base_cb_idx: base internal commands
1210  * @config_cb_idx: base internal commands
1211  * @tm_tr_cb_idx : device removal target reset handshake
1212  * @tm_tr_volume_cb_idx : volume removal target reset
1213  * @base_cmds:
1214  * @transport_cmds:
1215  * @scsih_cmds:
1216  * @tm_cmds:
1217  * @ctl_cmds:
1218  * @config_cmds:
1219  * @base_add_sg_single: handler for either 32/64 bit sgl's
1220  * @event_type: bits indicating which events to log
1221  * @event_context: unique id for each logged event
1222  * @event_log: event log pointer
1223  * @event_masks: events that are masked
1224  * @max_shutdown_latency: timeout value for NVMe shutdown operation,
1225  *                      which is equal that NVMe drive's RTD3 Entry Latency
1226  *                      which has reported maximum RTD3 Entry Latency value
1227  *                      among attached NVMe drives.
1228  * @facts: static facts data
1229  * @prev_fw_facts: previous fw facts data
1230  * @pfacts: static port facts data
1231  * @manu_pg0: static manufacturing page 0
1232  * @manu_pg10: static manufacturing page 10
1233  * @manu_pg11: static manufacturing page 11
1234  * @bios_pg2: static bios page 2
1235  * @bios_pg3: static bios page 3
1236  * @ioc_pg8: static ioc page 8
1237  * @iounit_pg0: static iounit page 0
1238  * @iounit_pg1: static iounit page 1
1239  * @sas_hba: sas host object
1240  * @sas_expander_list: expander object list
1241  * @enclosure_list: enclosure object list
1242  * @sas_node_lock:
1243  * @sas_device_list: sas device object list
1244  * @sas_device_init_list: sas device object list (used only at init time)
1245  * @sas_device_lock:
1246  * @pcie_device_list: pcie device object list
1247  * @pcie_device_init_list: pcie device object list (used only at init time)
1248  * @pcie_device_lock:
1249  * @io_missing_delay: time for IO completed by fw when PDR enabled
1250  * @device_missing_delay: time for device missing by fw when PDR enabled
1251  * @sas_id : used for setting volume target IDs
1252  * @pcie_target_id: used for setting pcie target IDs
1253  * @blocking_handles: bitmask used to identify which devices need blocking
1254  * @pd_handles : bitmask for PD handles
1255  * @pd_handles_sz : size of pd_handle bitmask
1256  * @config_page_sz: config page size
1257  * @config_page: reserve memory for config page payload
1258  * @config_page_dma:
1259  * @hba_queue_depth: hba request queue depth
1260  * @sge_size: sg element size for either 32/64 bit
1261  * @scsiio_depth: SCSI_IO queue depth
1262  * @request_sz: per request frame size
1263  * @request: pool of request frames
1264  * @request_dma:
1265  * @request_dma_sz:
1266  * @scsi_lookup: firmware request tracker list
1267  * @scsi_lookup_lock:
1268  * @free_list: free list of request
1269  * @pending_io_count:
1270  * @reset_wq:
1271  * @chain: pool of chains
1272  * @chain_dma:
1273  * @max_sges_in_main_message: number sg elements in main message
1274  * @max_sges_in_chain_message: number sg elements per chain
1275  * @chains_needed_per_io: max chains per io
1276  * @chain_depth: total chains allocated
1277  * @chain_segment_sz: gives the max number of
1278  *                      SGEs accommodate on single chain buffer
1279  * @hi_priority_smid:
1280  * @hi_priority:
1281  * @hi_priority_dma:
1282  * @hi_priority_depth:
1283  * @hpr_lookup:
1284  * @hpr_free_list:
1285  * @internal_smid:
1286  * @internal:
1287  * @internal_dma:
1288  * @internal_depth:
1289  * @internal_lookup:
1290  * @internal_free_list:
1291  * @sense: pool of sense
1292  * @sense_dma:
1293  * @sense_dma_pool:
1294  * @reply_depth: hba reply queue depth:
1295  * @reply_sz: per reply frame size:
1296  * @reply: pool of replys:
1297  * @reply_dma:
1298  * @reply_dma_pool:
1299  * @reply_free_queue_depth: reply free depth
1300  * @reply_free: pool for reply free queue (32 bit addr)
1301  * @reply_free_dma:
1302  * @reply_free_dma_pool:
1303  * @reply_free_host_index: tail index in pool to insert free replys
1304  * @reply_post_queue_depth: reply post queue depth
1305  * @reply_post_struct: struct for reply_post_free physical & virt address
1306  * @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init
1307  * @rdpq_array_enable: rdpq_array support is enabled in the driver
1308  * @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag
1309  *                              is assigned only ones
1310  * @reply_queue_count: number of reply queue's
1311  * @reply_queue_list: link list contaning the reply queue info
1312  * @msix96_vector: 96 MSI-X vector support
1313  * @replyPostRegisterIndex: index of next position in Reply Desc Post Queue
1314  * @delayed_tr_list: target reset link list
1315  * @delayed_tr_volume_list: volume target reset link list
1316  * @delayed_sc_list:
1317  * @delayed_event_ack_list:
1318  * @temp_sensors_count: flag to carry the number of temperature sensors
1319  * @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and
1320  *      pci resource handling. PCI resource freeing will lead to free
1321  *      vital hardware/memory resource, which might be in use by cli/sysfs
1322  *      path functions resulting in Null pointer reference followed by kernel
1323  *      crash. To avoid the above race condition we use mutex syncrhonization
1324  *      which ensures the syncrhonization between cli/sysfs_show path.
1325  * @atomic_desc_capable: Atomic Request Descriptor support.
1326  * @GET_MSIX_INDEX: Get the msix index of high iops queues.
1327  * @multipath_on_hba: flag to determine multipath on hba is enabled or not
1328  * @port_table_list: list containing HBA's wide/narrow port's info
1329  */
1330 struct MPT3SAS_ADAPTER {
1331         struct list_head list;
1332         struct Scsi_Host *shost;
1333         u8              id;
1334         int             cpu_count;
1335         char            name[MPT_NAME_LENGTH];
1336         char            driver_name[MPT_NAME_LENGTH - 8];
1337         char            tmp_string[MPT_STRING_LENGTH];
1338         struct pci_dev  *pdev;
1339         Mpi2SystemInterfaceRegs_t __iomem *chip;
1340         phys_addr_t     chip_phys;
1341         int             logging_level;
1342         int             fwfault_debug;
1343         u8              ir_firmware;
1344         int             bars;
1345         u8              mask_interrupts;
1346
1347         /* fw fault handler */
1348         char            fault_reset_work_q_name[20];
1349         struct workqueue_struct *fault_reset_work_q;
1350         struct delayed_work fault_reset_work;
1351
1352         /* fw event handler */
1353         struct workqueue_struct *firmware_event_thread;
1354         spinlock_t      fw_event_lock;
1355         struct list_head fw_event_list;
1356         struct fw_event_work    *current_event;
1357         u8              fw_events_cleanup;
1358
1359          /* misc flags */
1360         int             aen_event_read_flag;
1361         u8              broadcast_aen_busy;
1362         u16             broadcast_aen_pending;
1363         u8              shost_recovery;
1364         u8              got_task_abort_from_ioctl;
1365
1366         struct mutex    reset_in_progress_mutex;
1367         struct mutex    hostdiag_unlock_mutex;
1368         spinlock_t      ioc_reset_in_progress_lock;
1369         u8              ioc_link_reset_in_progress;
1370
1371         u8              ignore_loginfos;
1372         u8              remove_host;
1373         u8              pci_error_recovery;
1374         u8              wait_for_discovery_to_complete;
1375         u8              is_driver_loading;
1376         u8              port_enable_failed;
1377         u8              start_scan;
1378         u16             start_scan_failed;
1379
1380         u8              msix_enable;
1381         u16             msix_vector_count;
1382         u8              *cpu_msix_table;
1383         u16             cpu_msix_table_sz;
1384         resource_size_t __iomem **reply_post_host_index;
1385         u32             ioc_reset_count;
1386         MPT3SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
1387         u32             non_operational_loop;
1388         u8              ioc_coredump_loop;
1389         u32             timestamp_update_count;
1390         u32             time_sync_interval;
1391         atomic64_t      total_io_cnt;
1392         atomic64_t      high_iops_outstanding;
1393         bool            msix_load_balance;
1394         u16             thresh_hold;
1395         u8              high_iops_queues;
1396         u8              iopoll_q_start_index;
1397         u32             drv_internal_flags;
1398         u32             drv_support_bitmap;
1399         u32             dma_mask;
1400         bool            enable_sdev_max_qd;
1401         bool            use_32bit_dma;
1402         struct io_uring_poll_queue *io_uring_poll_queues;
1403
1404         /* internal commands, callback index */
1405         u8              scsi_io_cb_idx;
1406         u8              tm_cb_idx;
1407         u8              transport_cb_idx;
1408         u8              scsih_cb_idx;
1409         u8              ctl_cb_idx;
1410         u8              base_cb_idx;
1411         u8              port_enable_cb_idx;
1412         u8              config_cb_idx;
1413         u8              tm_tr_cb_idx;
1414         u8              tm_tr_volume_cb_idx;
1415         u8              tm_sas_control_cb_idx;
1416         struct _internal_cmd base_cmds;
1417         struct _internal_cmd port_enable_cmds;
1418         struct _internal_cmd transport_cmds;
1419         struct _internal_cmd scsih_cmds;
1420         struct _internal_cmd tm_cmds;
1421         struct _internal_cmd ctl_cmds;
1422         struct _internal_cmd config_cmds;
1423
1424         MPT_ADD_SGE     base_add_sg_single;
1425
1426         /* function ptr for either IEEE or MPI sg elements */
1427         MPT_BUILD_SG_SCMD build_sg_scmd;
1428         MPT_BUILD_SG    build_sg;
1429         MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge;
1430         u16             sge_size_ieee;
1431         u16             hba_mpi_version_belonged;
1432
1433         /* function ptr for MPI sg elements only */
1434         MPT_BUILD_SG    build_sg_mpi;
1435         MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge_mpi;
1436
1437         /* function ptr for NVMe PRP elements only */
1438         NVME_BUILD_PRP  build_nvme_prp;
1439
1440         /* event log */
1441         u32             event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1442         u32             event_context;
1443         void            *event_log;
1444         u32             event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1445
1446         u8              tm_custom_handling;
1447         u8              nvme_abort_timeout;
1448         u16             max_shutdown_latency;
1449         u16             max_wideport_qd;
1450         u16             max_narrowport_qd;
1451         u16             max_nvme_qd;
1452         u8              max_sata_qd;
1453
1454         /* static config pages */
1455         struct mpt3sas_facts facts;
1456         struct mpt3sas_facts prev_fw_facts;
1457         struct mpt3sas_port_facts *pfacts;
1458         Mpi2ManufacturingPage0_t manu_pg0;
1459         struct Mpi2ManufacturingPage10_t manu_pg10;
1460         struct Mpi2ManufacturingPage11_t manu_pg11;
1461         Mpi2BiosPage2_t bios_pg2;
1462         Mpi2BiosPage3_t bios_pg3;
1463         Mpi2IOCPage8_t ioc_pg8;
1464         Mpi2IOUnitPage0_t iounit_pg0;
1465         Mpi2IOUnitPage1_t iounit_pg1;
1466         Mpi2IOCPage1_t  ioc_pg1_copy;
1467
1468         struct _boot_device req_boot_device;
1469         struct _boot_device req_alt_boot_device;
1470         struct _boot_device current_boot_device;
1471
1472         /* sas hba, expander, and device list */
1473         struct _sas_node sas_hba;
1474         struct list_head sas_expander_list;
1475         struct list_head enclosure_list;
1476         spinlock_t      sas_node_lock;
1477         struct list_head sas_device_list;
1478         struct list_head sas_device_init_list;
1479         spinlock_t      sas_device_lock;
1480         struct list_head pcie_device_list;
1481         struct list_head pcie_device_init_list;
1482         spinlock_t      pcie_device_lock;
1483
1484         struct list_head raid_device_list;
1485         spinlock_t      raid_device_lock;
1486         u8              io_missing_delay;
1487         u16             device_missing_delay;
1488         int             sas_id;
1489         int             pcie_target_id;
1490
1491         void            *blocking_handles;
1492         void            *pd_handles;
1493         u16             pd_handles_sz;
1494
1495         void            *pend_os_device_add;
1496         u16             pend_os_device_add_sz;
1497
1498         /* config page */
1499         u16             config_page_sz;
1500         void            *config_page;
1501         dma_addr_t      config_page_dma;
1502         void            *config_vaddr;
1503
1504         /* scsiio request */
1505         u16             hba_queue_depth;
1506         u16             sge_size;
1507         u16             scsiio_depth;
1508         u16             request_sz;
1509         u8              *request;
1510         dma_addr_t      request_dma;
1511         u32             request_dma_sz;
1512         struct pcie_sg_list *pcie_sg_lookup;
1513         spinlock_t      scsi_lookup_lock;
1514         int             pending_io_count;
1515         wait_queue_head_t reset_wq;
1516         u16             *io_queue_num;
1517
1518         /* PCIe SGL */
1519         struct dma_pool *pcie_sgl_dma_pool;
1520         /* Host Page Size */
1521         u32             page_size;
1522
1523         /* chain */
1524         struct chain_lookup *chain_lookup;
1525         struct list_head free_chain_list;
1526         struct dma_pool *chain_dma_pool;
1527         ulong           chain_pages;
1528         u16             max_sges_in_main_message;
1529         u16             max_sges_in_chain_message;
1530         u16             chains_needed_per_io;
1531         u32             chain_depth;
1532         u16             chain_segment_sz;
1533         u16             chains_per_prp_buffer;
1534
1535         /* hi-priority queue */
1536         u16             hi_priority_smid;
1537         u8              *hi_priority;
1538         dma_addr_t      hi_priority_dma;
1539         u16             hi_priority_depth;
1540         struct request_tracker *hpr_lookup;
1541         struct list_head hpr_free_list;
1542
1543         /* internal queue */
1544         u16             internal_smid;
1545         u8              *internal;
1546         dma_addr_t      internal_dma;
1547         u16             internal_depth;
1548         struct request_tracker *internal_lookup;
1549         struct list_head internal_free_list;
1550
1551         /* sense */
1552         u8              *sense;
1553         dma_addr_t      sense_dma;
1554         struct dma_pool *sense_dma_pool;
1555
1556         /* reply */
1557         u16             reply_sz;
1558         u8              *reply;
1559         dma_addr_t      reply_dma;
1560         u32             reply_dma_max_address;
1561         u32             reply_dma_min_address;
1562         struct dma_pool *reply_dma_pool;
1563
1564         /* reply free queue */
1565         u16             reply_free_queue_depth;
1566         __le32          *reply_free;
1567         dma_addr_t      reply_free_dma;
1568         struct dma_pool *reply_free_dma_pool;
1569         u32             reply_free_host_index;
1570
1571         /* reply post queue */
1572         u16             reply_post_queue_depth;
1573         struct reply_post_struct *reply_post;
1574         u8              rdpq_array_capable;
1575         u8              rdpq_array_enable;
1576         u8              rdpq_array_enable_assigned;
1577         struct dma_pool *reply_post_free_dma_pool;
1578         struct dma_pool *reply_post_free_array_dma_pool;
1579         Mpi2IOCInitRDPQArrayEntry *reply_post_free_array;
1580         dma_addr_t reply_post_free_array_dma;
1581         u8              reply_queue_count;
1582         struct list_head reply_queue_list;
1583
1584         u8              combined_reply_queue;
1585         u8              combined_reply_index_count;
1586         u8              smp_affinity_enable;
1587         /* reply post register index */
1588         resource_size_t __iomem **replyPostRegisterIndex;
1589
1590         struct list_head delayed_tr_list;
1591         struct list_head delayed_tr_volume_list;
1592         struct list_head delayed_sc_list;
1593         struct list_head delayed_event_ack_list;
1594         u8              temp_sensors_count;
1595         struct mutex pci_access_mutex;
1596
1597         /* diag buffer support */
1598         u8              *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
1599         u32             diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
1600         dma_addr_t      diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
1601         u8              diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
1602         u32             unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
1603         u32             product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
1604         u32             diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
1605         u32             ring_buffer_offset;
1606         u32             ring_buffer_sz;
1607         struct htb_rel_query htb_rel;
1608         u8 reset_from_user;
1609         u8              is_warpdrive;
1610         u8              is_mcpu_endpoint;
1611         u8              hide_ir_msg;
1612         u8              mfg_pg10_hide_flag;
1613         u8              hide_drives;
1614         spinlock_t      diag_trigger_lock;
1615         u8              diag_trigger_active;
1616         u8              atomic_desc_capable;
1617         BASE_READ_REG   base_readl;
1618         BASE_READ_REG   base_readl_ext_retry;
1619         struct SL_WH_MASTER_TRIGGER_T diag_trigger_master;
1620         struct SL_WH_EVENT_TRIGGERS_T diag_trigger_event;
1621         struct SL_WH_SCSI_TRIGGERS_T diag_trigger_scsi;
1622         struct SL_WH_MPI_TRIGGERS_T diag_trigger_mpi;
1623         u8              supports_trigger_pages;
1624         void            *device_remove_in_progress;
1625         u16             device_remove_in_progress_sz;
1626         u8              is_gen35_ioc;
1627         u8              is_aero_ioc;
1628         struct dentry   *debugfs_root;
1629         struct dentry   *ioc_dump;
1630         PUT_SMID_IO_FP_HIP put_smid_scsi_io;
1631         PUT_SMID_IO_FP_HIP put_smid_fast_path;
1632         PUT_SMID_IO_FP_HIP put_smid_hi_priority;
1633         PUT_SMID_DEFAULT put_smid_default;
1634         GET_MSIX_INDEX get_msix_index_for_smlio;
1635
1636         u8              multipath_on_hba;
1637         struct list_head port_table_list;
1638 };
1639
1640 struct mpt3sas_debugfs_buffer {
1641         void    *buf;
1642         u32     len;
1643 };
1644
1645 #define MPT_DRV_SUPPORT_BITMAP_MEMMOVE 0x00000001
1646 #define MPT_DRV_SUPPORT_BITMAP_ADDNLQUERY       0x00000002
1647
1648 #define MPT_DRV_INTERNAL_FIRST_PE_ISSUED                0x00000001
1649
1650 typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1651         u32 reply);
1652
1653 /*
1654  * struct ATTO_SAS_NVRAM - ATTO NVRAM settings stored
1655  *                              in Manufacturing page 1 used to get
1656  *                              ATTO SasAddr.
1657  */
1658 struct ATTO_SAS_NVRAM {
1659         u8              Signature[4];
1660         u8              Version;
1661 #define ATTO_SASNVR_VERSION             0
1662
1663         u8              Checksum;
1664 #define ATTO_SASNVR_CKSUM_SEED  0x5A
1665         u8              Pad[10];
1666         u8              SasAddr[8];
1667 #define ATTO_SAS_ADDR_ALIGN             64
1668         u8              Reserved[232];
1669 };
1670
1671 #define ATTO_SAS_ADDR_DEVNAME_BIAS              63
1672
1673 union ATTO_SAS_ADDRESS {
1674         U8              b[8];
1675         U16             w[4];
1676         U32             d[2];
1677         U64             q;
1678 };
1679
1680 /* base shared API */
1681 extern struct list_head mpt3sas_ioc_list;
1682 extern char    driver_name[MPT_NAME_LENGTH];
1683 /* spinlock on list operations over IOCs
1684  * Case: when multiple warpdrive cards(IOCs) are in use
1685  * Each IOC will added to the ioc list structure on initialization.
1686  * Watchdog threads run at regular intervals to check IOC for any
1687  * fault conditions which will trigger the dead_ioc thread to
1688  * deallocate pci resource, resulting deleting the IOC netry from list,
1689  * this deletion need to protected by spinlock to enusre that
1690  * ioc removal is syncrhonized, if not synchronized it might lead to
1691  * list_del corruption as the ioc list is traversed in cli path.
1692  */
1693 extern spinlock_t gioc_lock;
1694
1695 void mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc);
1696 void mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc);
1697
1698 int mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc);
1699 void mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc);
1700 int mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc);
1701 void mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc);
1702 void mpt3sas_free_enclosure_list(struct MPT3SAS_ADAPTER *ioc);
1703 int mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc,
1704         enum reset_type type);
1705
1706 void *mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1707 void *mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1708 __le32 mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc,
1709         u16 smid);
1710 void *mpt3sas_base_get_pcie_sgl(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1711 dma_addr_t mpt3sas_base_get_pcie_sgl_dma(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1712 void mpt3sas_base_sync_reply_irqs(struct MPT3SAS_ADAPTER *ioc, u8 poll);
1713 void mpt3sas_base_mask_interrupts(struct MPT3SAS_ADAPTER *ioc);
1714 void mpt3sas_base_unmask_interrupts(struct MPT3SAS_ADAPTER *ioc);
1715
1716 void mpt3sas_base_put_smid_fast_path(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1717         u16 handle);
1718 void mpt3sas_base_put_smid_hi_priority(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1719         u16 msix_task);
1720 void mpt3sas_base_put_smid_nvme_encap(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1721 void mpt3sas_base_put_smid_default(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1722 /* hi-priority queue */
1723 u16 mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1724 u16 mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx,
1725                 struct scsi_cmnd *scmd);
1726 void mpt3sas_base_clear_st(struct MPT3SAS_ADAPTER *ioc,
1727                 struct scsiio_tracker *st);
1728
1729 u16 mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1730 void mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1731 void mpt3sas_base_initialize_callback_handler(void);
1732 u8 mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func);
1733 void mpt3sas_base_release_callback_handler(u8 cb_idx);
1734
1735 u8 mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1736         u32 reply);
1737 u8 mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1738         u8 msix_index, u32 reply);
1739 void *mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc,
1740         u32 phys_addr);
1741
1742 u32 mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked);
1743
1744 void mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code);
1745 #define mpt3sas_print_fault_code(ioc, fault_code) \
1746 do { pr_err("%s fault info from func: %s\n", ioc->name, __func__); \
1747         mpt3sas_base_fault_info(ioc, fault_code); } while (0)
1748
1749 void mpt3sas_base_coredump_info(struct MPT3SAS_ADAPTER *ioc, u16 fault_code);
1750 #define mpt3sas_print_coredump_info(ioc, fault_code) \
1751 do { pr_err("%s fault info from func: %s\n", ioc->name, __func__); \
1752         mpt3sas_base_coredump_info(ioc, fault_code); } while (0)
1753
1754 int mpt3sas_base_wait_for_coredump_completion(struct MPT3SAS_ADAPTER *ioc,
1755                 const char *caller);
1756 int mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc,
1757         Mpi2SasIoUnitControlReply_t *mpi_reply,
1758         Mpi2SasIoUnitControlRequest_t *mpi_request);
1759 int mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc,
1760         Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
1761
1762 void mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc,
1763         u32 *event_type);
1764
1765 void mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc);
1766
1767 void mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc,
1768         u16 device_missing_delay, u8 io_missing_delay);
1769
1770 int mpt3sas_base_check_for_fault_and_issue_reset(
1771         struct MPT3SAS_ADAPTER *ioc);
1772
1773 int mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc);
1774
1775 void
1776 mpt3sas_wait_for_commands_to_complete(struct MPT3SAS_ADAPTER *ioc);
1777
1778 u8 mpt3sas_base_check_cmd_timeout(struct MPT3SAS_ADAPTER *ioc,
1779         u8 status, void *mpi_request, int sz);
1780 #define mpt3sas_check_cmd_timeout(ioc, status, mpi_request, sz, issue_reset) \
1781 do {    ioc_err(ioc, "In func: %s\n", __func__); \
1782         issue_reset = mpt3sas_base_check_cmd_timeout(ioc, \
1783         status, mpi_request, sz); } while (0)
1784
1785 int mpt3sas_wait_for_ioc(struct MPT3SAS_ADAPTER *ioc, int wait_count);
1786 int mpt3sas_base_make_ioc_ready(struct MPT3SAS_ADAPTER *ioc, enum reset_type type);
1787 void mpt3sas_base_free_irq(struct MPT3SAS_ADAPTER *ioc);
1788 void mpt3sas_base_disable_msix(struct MPT3SAS_ADAPTER *ioc);
1789 int mpt3sas_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num);
1790 void mpt3sas_base_pause_mq_polling(struct MPT3SAS_ADAPTER *ioc);
1791 void mpt3sas_base_resume_mq_polling(struct MPT3SAS_ADAPTER *ioc);
1792 int mpt3sas_base_unlock_and_get_host_diagnostic(struct MPT3SAS_ADAPTER *ioc,
1793         u32 *host_diagnostic);
1794 void mpt3sas_base_lock_host_diagnostic(struct MPT3SAS_ADAPTER *ioc);
1795
1796 /* scsih shared API */
1797 struct scsi_cmnd *mpt3sas_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc,
1798         u16 smid);
1799 u8 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
1800         u32 reply);
1801 void mpt3sas_scsih_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc);
1802 void mpt3sas_scsih_clear_outstanding_scsi_tm_commands(
1803         struct MPT3SAS_ADAPTER *ioc);
1804 void mpt3sas_scsih_reset_done_handler(struct MPT3SAS_ADAPTER *ioc);
1805
1806 int mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1807         uint channel, uint id, u64 lun, u8 type, u16 smid_task,
1808         u16 msix_task, u8 timeout, u8 tr_method);
1809 int mpt3sas_scsih_issue_locked_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1810         uint channel, uint id, u64 lun, u8 type, u16 smid_task,
1811         u16 msix_task, u8 timeout, u8 tr_method);
1812
1813 void mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1814 void mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1815 void mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1816         struct hba_port *port);
1817 void mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1818         u64 sas_address, struct hba_port *port);
1819 u8 mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc,
1820         u16 smid);
1821 struct hba_port *
1822 mpt3sas_get_port_by_id(struct MPT3SAS_ADAPTER *ioc, u8 port,
1823         u8 bypass_dirty_port_flag);
1824
1825 struct _sas_node *mpt3sas_scsih_expander_find_by_handle(
1826         struct MPT3SAS_ADAPTER *ioc, u16 handle);
1827 struct _sas_node *mpt3sas_scsih_expander_find_by_sas_address(
1828         struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1829         struct hba_port *port);
1830 struct _sas_device *mpt3sas_get_sdev_by_addr(
1831          struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1832          struct hba_port *port);
1833 struct _sas_device *__mpt3sas_get_sdev_by_addr(
1834          struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1835          struct hba_port *port);
1836 struct _sas_device *mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc,
1837         u16 handle);
1838 struct _pcie_device *mpt3sas_get_pdev_by_handle(struct MPT3SAS_ADAPTER *ioc,
1839         u16 handle);
1840
1841 void mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc);
1842 struct _raid_device *
1843 mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1844 void mpt3sas_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth);
1845 struct _sas_device *
1846 __mpt3sas_get_sdev_by_rphy(struct MPT3SAS_ADAPTER *ioc, struct sas_rphy *rphy);
1847 struct virtual_phy *
1848 mpt3sas_get_vphy_by_phy(struct MPT3SAS_ADAPTER *ioc,
1849         struct hba_port *port, u32 phy);
1850
1851 /* config shared API */
1852 u8 mpt3sas_config_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1853         u32 reply);
1854 int mpt3sas_config_get_number_hba_phys(struct MPT3SAS_ADAPTER *ioc,
1855         u8 *num_phys);
1856 int mpt3sas_config_get_manufacturing_pg0(struct MPT3SAS_ADAPTER *ioc,
1857         Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1858 int mpt3sas_config_get_manufacturing_pg1(struct MPT3SAS_ADAPTER *ioc,
1859         Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage1_t *config_page);
1860
1861 int mpt3sas_config_get_manufacturing_pg7(struct MPT3SAS_ADAPTER *ioc,
1862         Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage7_t *config_page,
1863         u16 sz);
1864 int mpt3sas_config_get_manufacturing_pg10(struct MPT3SAS_ADAPTER *ioc,
1865         Mpi2ConfigReply_t *mpi_reply,
1866         struct Mpi2ManufacturingPage10_t *config_page);
1867
1868 int mpt3sas_config_get_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1869         Mpi2ConfigReply_t *mpi_reply,
1870         struct Mpi2ManufacturingPage11_t  *config_page);
1871 int mpt3sas_config_set_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1872         Mpi2ConfigReply_t *mpi_reply,
1873         struct Mpi2ManufacturingPage11_t *config_page);
1874
1875 int mpt3sas_config_get_bios_pg2(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1876         *mpi_reply, Mpi2BiosPage2_t *config_page);
1877 int mpt3sas_config_get_bios_pg3(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1878         *mpi_reply, Mpi2BiosPage3_t *config_page);
1879 int mpt3sas_config_set_bios_pg4(struct MPT3SAS_ADAPTER *ioc,
1880         Mpi2ConfigReply_t *mpi_reply, Mpi2BiosPage4_t *config_page,
1881         int sz_config_page);
1882 int mpt3sas_config_get_bios_pg4(struct MPT3SAS_ADAPTER *ioc,
1883         Mpi2ConfigReply_t *mpi_reply, Mpi2BiosPage4_t *config_page,
1884         int sz_config_page);
1885 int mpt3sas_config_get_iounit_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1886         *mpi_reply, Mpi2IOUnitPage0_t *config_page);
1887 int mpt3sas_config_get_sas_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1888         Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage0_t *config_page,
1889         u32 form, u32 handle);
1890 int mpt3sas_config_get_sas_device_pg1(struct MPT3SAS_ADAPTER *ioc,
1891         Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage1_t *config_page,
1892         u32 form, u32 handle);
1893 int mpt3sas_config_get_pcie_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1894         Mpi2ConfigReply_t *mpi_reply, Mpi26PCIeDevicePage0_t *config_page,
1895         u32 form, u32 handle);
1896 int mpt3sas_config_get_pcie_device_pg2(struct MPT3SAS_ADAPTER *ioc,
1897         Mpi2ConfigReply_t *mpi_reply, Mpi26PCIeDevicePage2_t *config_page,
1898         u32 form, u32 handle);
1899 int mpt3sas_config_get_pcie_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1900         Mpi2ConfigReply_t *mpi_reply, Mpi26PCIeIOUnitPage1_t *config_page,
1901         u16 sz);
1902 int mpt3sas_config_get_sas_iounit_pg0(struct MPT3SAS_ADAPTER *ioc,
1903         Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage0_t *config_page,
1904         u16 sz);
1905 int mpt3sas_config_get_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1906         *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1907 int mpt3sas_config_get_iounit_pg3(struct MPT3SAS_ADAPTER *ioc,
1908         Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
1909 int mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1910         *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1911 int mpt3sas_config_get_iounit_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1912         *mpi_reply, Mpi2IOUnitPage8_t *config_page);
1913 int mpt3sas_config_get_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1914         Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1915         u16 sz);
1916 int mpt3sas_config_set_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1917         Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1918         u16 sz);
1919 int mpt3sas_config_get_ioc_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1920         *mpi_reply, Mpi2IOCPage1_t *config_page);
1921 int mpt3sas_config_set_ioc_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1922         *mpi_reply, Mpi2IOCPage1_t *config_page);
1923 int mpt3sas_config_get_ioc_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1924         *mpi_reply, Mpi2IOCPage8_t *config_page);
1925 int mpt3sas_config_get_expander_pg0(struct MPT3SAS_ADAPTER *ioc,
1926         Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage0_t *config_page,
1927         u32 form, u32 handle);
1928 int mpt3sas_config_get_expander_pg1(struct MPT3SAS_ADAPTER *ioc,
1929         Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage1_t *config_page,
1930         u32 phy_number, u16 handle);
1931 int mpt3sas_config_get_enclosure_pg0(struct MPT3SAS_ADAPTER *ioc,
1932         Mpi2ConfigReply_t *mpi_reply, Mpi2SasEnclosurePage0_t *config_page,
1933         u32 form, u32 handle);
1934 int mpt3sas_config_get_phy_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1935         *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1936 int mpt3sas_config_get_phy_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1937         *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1938 int mpt3sas_config_get_raid_volume_pg1(struct MPT3SAS_ADAPTER *ioc,
1939         Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
1940         u32 handle);
1941 int mpt3sas_config_get_number_pds(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1942         u8 *num_pds);
1943 int mpt3sas_config_get_raid_volume_pg0(struct MPT3SAS_ADAPTER *ioc,
1944         Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form,
1945         u32 handle, u16 sz);
1946 int mpt3sas_config_get_phys_disk_pg0(struct MPT3SAS_ADAPTER *ioc,
1947         Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
1948         u32 form, u32 form_specific);
1949 int mpt3sas_config_get_volume_handle(struct MPT3SAS_ADAPTER *ioc, u16 pd_handle,
1950         u16 *volume_handle);
1951 int mpt3sas_config_get_volume_wwid(struct MPT3SAS_ADAPTER *ioc,
1952         u16 volume_handle, u64 *wwid);
1953 int
1954 mpt3sas_config_get_driver_trigger_pg0(struct MPT3SAS_ADAPTER *ioc,
1955         Mpi2ConfigReply_t *mpi_reply, Mpi26DriverTriggerPage0_t *config_page);
1956 int
1957 mpt3sas_config_get_driver_trigger_pg1(struct MPT3SAS_ADAPTER *ioc,
1958         Mpi2ConfigReply_t *mpi_reply, Mpi26DriverTriggerPage1_t *config_page);
1959 int
1960 mpt3sas_config_get_driver_trigger_pg2(struct MPT3SAS_ADAPTER *ioc,
1961         Mpi2ConfigReply_t *mpi_reply, Mpi26DriverTriggerPage2_t *config_page);
1962 int
1963 mpt3sas_config_get_driver_trigger_pg3(struct MPT3SAS_ADAPTER *ioc,
1964         Mpi2ConfigReply_t *mpi_reply, Mpi26DriverTriggerPage3_t *config_page);
1965 int
1966 mpt3sas_config_get_driver_trigger_pg4(struct MPT3SAS_ADAPTER *ioc,
1967         Mpi2ConfigReply_t *mpi_reply, Mpi26DriverTriggerPage4_t *config_page);
1968 int
1969 mpt3sas_config_update_driver_trigger_pg1(struct MPT3SAS_ADAPTER *ioc,
1970         struct SL_WH_MASTER_TRIGGER_T *master_tg, bool set);
1971 int
1972 mpt3sas_config_update_driver_trigger_pg2(struct MPT3SAS_ADAPTER *ioc,
1973         struct SL_WH_EVENT_TRIGGERS_T *event_tg, bool set);
1974 int
1975 mpt3sas_config_update_driver_trigger_pg3(struct MPT3SAS_ADAPTER *ioc,
1976         struct SL_WH_SCSI_TRIGGERS_T *scsi_tg, bool set);
1977 int
1978 mpt3sas_config_update_driver_trigger_pg4(struct MPT3SAS_ADAPTER *ioc,
1979         struct SL_WH_MPI_TRIGGERS_T *mpi_tg, bool set);
1980
1981 /* ctl shared API */
1982 extern const struct attribute_group *mpt3sas_host_groups[];
1983 extern const struct attribute_group *mpt3sas_dev_groups[];
1984 void mpt3sas_ctl_init(ushort hbas_to_enumerate);
1985 void mpt3sas_ctl_exit(ushort hbas_to_enumerate);
1986 void mpt3sas_ctl_release(struct MPT3SAS_ADAPTER *ioc);
1987 u8 mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1988         u32 reply);
1989 void mpt3sas_ctl_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc);
1990 void mpt3sas_ctl_clear_outstanding_ioctls(struct MPT3SAS_ADAPTER *ioc);
1991 void mpt3sas_ctl_reset_done_handler(struct MPT3SAS_ADAPTER *ioc);
1992 u8 mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc,
1993         u8 msix_index, u32 reply);
1994 void mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc,
1995         Mpi2EventNotificationReply_t *mpi_reply);
1996
1997 void mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc,
1998         u8 bits_to_register);
1999 int mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type,
2000         u8 *issue_reset);
2001
2002 /* transport shared API */
2003 extern struct scsi_transport_template *mpt3sas_transport_template;
2004 u8 mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
2005         u32 reply);
2006 struct _sas_port *mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc,
2007         u16 handle, u64 sas_address, struct hba_port *port);
2008 void mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
2009         u64 sas_address_parent, struct hba_port *port);
2010 int mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy
2011         *mpt3sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
2012 int mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER *ioc,
2013         struct _sas_phy *mpt3sas_phy, Mpi2ExpanderPage1_t expander_pg1,
2014         struct device *parent_dev);
2015 void mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc,
2016         u64 sas_address, u16 handle, u8 phy_number, u8 link_rate,
2017         struct hba_port *port);
2018 extern struct sas_function_template mpt3sas_transport_functions;
2019 extern struct scsi_transport_template *mpt3sas_transport_template;
2020 void
2021 mpt3sas_transport_del_phy_from_an_existing_port(struct MPT3SAS_ADAPTER *ioc,
2022         struct _sas_node *sas_node, struct _sas_phy *mpt3sas_phy);
2023 void
2024 mpt3sas_transport_add_phy_to_an_existing_port(struct MPT3SAS_ADAPTER *ioc,
2025         struct _sas_node *sas_node, struct _sas_phy *mpt3sas_phy,
2026         u64 sas_address, struct hba_port *port);
2027 /* trigger data externs */
2028 void mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
2029         struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
2030 void mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc,
2031         struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
2032 void mpt3sas_trigger_master(struct MPT3SAS_ADAPTER *ioc,
2033         u32 trigger_bitmask);
2034 void mpt3sas_trigger_event(struct MPT3SAS_ADAPTER *ioc, u16 event,
2035         u16 log_entry_qualifier);
2036 void mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key,
2037         u8 asc, u8 ascq);
2038 void mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status,
2039         u32 loginfo);
2040
2041 /* warpdrive APIs */
2042 u8 mpt3sas_get_num_volumes(struct MPT3SAS_ADAPTER *ioc);
2043 void mpt3sas_init_warpdrive_properties(struct MPT3SAS_ADAPTER *ioc,
2044         struct _raid_device *raid_device);
2045 void
2046 mpt3sas_setup_direct_io(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
2047         struct _raid_device *raid_device, Mpi25SCSIIORequest_t *mpi_request);
2048
2049 void mpt3sas_setup_debugfs(struct MPT3SAS_ADAPTER *ioc);
2050 void mpt3sas_destroy_debugfs(struct MPT3SAS_ADAPTER *ioc);
2051 void mpt3sas_init_debugfs(void);
2052 void mpt3sas_exit_debugfs(void);
2053
2054 /**
2055  * _scsih_is_pcie_scsi_device - determines if device is an pcie scsi device
2056  * @device_info: bitfield providing information about the device.
2057  * Context: none
2058  *
2059  * Returns 1 if scsi device.
2060  */
2061 static inline int
2062 mpt3sas_scsih_is_pcie_scsi_device(u32 device_info)
2063 {
2064         if ((device_info &
2065             MPI26_PCIE_DEVINFO_MASK_DEVICE_TYPE) == MPI26_PCIE_DEVINFO_SCSI)
2066                 return 1;
2067         else
2068                 return 0;
2069 }
2070 #endif /* MPT3SAS_BASE_H_INCLUDED */