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
  75 /* driver versioning info */
  76 #define MPT3SAS_DRIVER_NAME             "mpt3sas"
  77 #define MPT3SAS_AUTHOR "Avago Technologies <MPT-FusionLinux.pdl@avagotech.com>"
  78 #define MPT3SAS_DESCRIPTION     "LSI MPT Fusion SAS 3.0 Device Driver"
  79 #define MPT3SAS_DRIVER_VERSION          "29.100.00.00"
  80 #define MPT3SAS_MAJOR_VERSION           29
  81 #define MPT3SAS_MINOR_VERSION           100
  82 #define MPT3SAS_BUILD_VERSION           0
  83 #define MPT3SAS_RELEASE_VERSION 00
  84
  85 #define MPT2SAS_DRIVER_NAME             "mpt2sas"
  86 #define MPT2SAS_DESCRIPTION     "LSI MPT Fusion SAS 2.0 Device Driver"
  87 #define MPT2SAS_DRIVER_VERSION          "20.102.00.00"
  88 #define MPT2SAS_MAJOR_VERSION           20
  89 #define MPT2SAS_MINOR_VERSION           102
  90 #define MPT2SAS_BUILD_VERSION           0
  91 #define MPT2SAS_RELEASE_VERSION 00
  92
  93 /*
  94  * Set MPT3SAS_SG_DEPTH value based on user input.
  95  */
  96 #define MPT_MAX_PHYS_SEGMENTS   SG_CHUNK_SIZE
  97 #define MPT_MIN_PHYS_SEGMENTS   16
  98 #define MPT_KDUMP_MIN_PHYS_SEGMENTS     32
  99
 100 #define MCPU_MAX_CHAINS_PER_IO  3
 101
 102 #ifdef CONFIG_SCSI_MPT3SAS_MAX_SGE
 103 #define MPT3SAS_SG_DEPTH                CONFIG_SCSI_MPT3SAS_MAX_SGE
 104 #else
 105 #define MPT3SAS_SG_DEPTH                MPT_MAX_PHYS_SEGMENTS
 106 #endif
 107
 108 #ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
 109 #define MPT2SAS_SG_DEPTH                CONFIG_SCSI_MPT2SAS_MAX_SGE
 110 #else
 111 #define MPT2SAS_SG_DEPTH                MPT_MAX_PHYS_SEGMENTS
 112 #endif
 113
 114 /*
 115  * Generic Defines
 116  */
 117 #define MPT3SAS_SATA_QUEUE_DEPTH        32
 118 #define MPT3SAS_SAS_QUEUE_DEPTH         254
 119 #define MPT3SAS_RAID_QUEUE_DEPTH        128
 120 #define MPT3SAS_KDUMP_SCSI_IO_DEPTH     200
 121
 122 #define MPT3SAS_RAID_MAX_SECTORS        8192
 123 #define MPT3SAS_HOST_PAGE_SIZE_4K       12
 124 #define MPT3SAS_NVME_QUEUE_DEPTH        128
 125 #define MPT_NAME_LENGTH                 32      /* generic length of strings */
 126 #define MPT_STRING_LENGTH               64
 127 #define MPI_FRAME_START_OFFSET          256
 128 #define REPLY_FREE_POOL_SIZE            512 /*(32 maxcredix *4)*(4 times)*/
 129
 130 #define MPT_MAX_CALLBACKS               32
 131
 132 #define INTERNAL_CMDS_COUNT             10      /* reserved cmds */
 133 /* reserved for issuing internally framed scsi io cmds */
 134 #define INTERNAL_SCSIIO_CMDS_COUNT      3
 135
 136 #define MPI3_HIM_MASK                   0xFFFFFFFF /* mask every bit*/
 137
 138 #define MPT3SAS_INVALID_DEVICE_HANDLE   0xFFFF
 139
 140 #define MAX_CHAIN_ELEMT_SZ              16
 141 #define DEFAULT_NUM_FWCHAIN_ELEMTS      8
 142
 143 #define FW_IMG_HDR_READ_TIMEOUT 15
 144
 145 #define IOC_OPERATIONAL_WAIT_COUNT      10
 146
 147 /*
 148  * NVMe defines
 149  */
 150 #define NVME_PRP_SIZE                   8       /* PRP size */
 151 #define NVME_ERROR_RESPONSE_SIZE        16      /* Max NVME Error Response */
 152 #define NVME_TASK_ABORT_MIN_TIMEOUT     6
 153 #define NVME_TASK_ABORT_MAX_TIMEOUT     60
 154 #define NVME_TASK_MNGT_CUSTOM_MASK      (0x0010)
 155 #define NVME_PRP_PAGE_SIZE              4096    /* Page size */
 156
 157 struct mpt3sas_nvme_cmd {
 158         u8      rsvd[24];
 159         __le64  prp1;
 160         __le64  prp2;
 161 };
 162
 163 /*
 164  * logging format
 165  */
 166 #define ioc_err(ioc, fmt, ...)                                          \
 167         pr_err("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
 168 #define ioc_notice(ioc, fmt, ...)                                       \
 169         pr_notice("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
 170 #define ioc_warn(ioc, fmt, ...)                                         \
 171         pr_warn("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
 172 #define ioc_info(ioc, fmt, ...)                                         \
 173         pr_info("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
 174
 175 /*
 176  *  WarpDrive Specific Log codes
 177  */
 178
 179 #define MPT2_WARPDRIVE_LOGENTRY         (0x8002)
 180 #define MPT2_WARPDRIVE_LC_SSDT                  (0x41)
 181 #define MPT2_WARPDRIVE_LC_SSDLW         (0x43)
 182 #define MPT2_WARPDRIVE_LC_SSDLF         (0x44)
 183 #define MPT2_WARPDRIVE_LC_BRMF                  (0x4D)
 184
 185 /*
 186  * per target private data
 187  */
 188 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
 189 #define MPT_TARGET_FLAGS_VOLUME         0x02
 190 #define MPT_TARGET_FLAGS_DELETED        0x04
 191 #define MPT_TARGET_FASTPATH_IO          0x08
 192 #define MPT_TARGET_FLAGS_PCIE_DEVICE    0x10
 193
 194 #define SAS2_PCI_DEVICE_B0_REVISION     (0x01)
 195 #define SAS3_PCI_DEVICE_C0_REVISION     (0x02)
 196
 197 /* Atlas PCIe Switch Management Port */
 198 #define MPI26_ATLAS_PCIe_SWITCH_DEVID   (0x00B2)
 199
 200 /*
 201  * Intel HBA branding
 202  */
 203 #define MPT2SAS_INTEL_RMS25JB080_BRANDING    \
 204         "Intel(R) Integrated RAID Module RMS25JB080"
 205 #define MPT2SAS_INTEL_RMS25JB040_BRANDING    \
 206         "Intel(R) Integrated RAID Module RMS25JB040"
 207 #define MPT2SAS_INTEL_RMS25KB080_BRANDING    \
 208         "Intel(R) Integrated RAID Module RMS25KB080"
 209 #define MPT2SAS_INTEL_RMS25KB040_BRANDING    \
 210         "Intel(R) Integrated RAID Module RMS25KB040"
 211 #define MPT2SAS_INTEL_RMS25LB040_BRANDING       \
 212         "Intel(R) Integrated RAID Module RMS25LB040"
 213 #define MPT2SAS_INTEL_RMS25LB080_BRANDING       \
 214         "Intel(R) Integrated RAID Module RMS25LB080"
 215 #define MPT2SAS_INTEL_RMS2LL080_BRANDING        \
 216         "Intel Integrated RAID Module RMS2LL080"
 217 #define MPT2SAS_INTEL_RMS2LL040_BRANDING        \
 218         "Intel Integrated RAID Module RMS2LL040"
 219 #define MPT2SAS_INTEL_RS25GB008_BRANDING       \
 220         "Intel(R) RAID Controller RS25GB008"
 221 #define MPT2SAS_INTEL_SSD910_BRANDING          \
 222         "Intel(R) SSD 910 Series"
 223
 224 #define MPT3SAS_INTEL_RMS3JC080_BRANDING       \
 225         "Intel(R) Integrated RAID Module RMS3JC080"
 226 #define MPT3SAS_INTEL_RS3GC008_BRANDING       \
 227         "Intel(R) RAID Controller RS3GC008"
 228 #define MPT3SAS_INTEL_RS3FC044_BRANDING       \
 229         "Intel(R) RAID Controller RS3FC044"
 230 #define MPT3SAS_INTEL_RS3UC080_BRANDING       \
 231         "Intel(R) RAID Controller RS3UC080"
 232
 233 /*
 234  * Intel HBA SSDIDs
 235  */
 236 #define MPT2SAS_INTEL_RMS25JB080_SSDID          0x3516
 237 #define MPT2SAS_INTEL_RMS25JB040_SSDID          0x3517
 238 #define MPT2SAS_INTEL_RMS25KB080_SSDID          0x3518
 239 #define MPT2SAS_INTEL_RMS25KB040_SSDID          0x3519
 240 #define MPT2SAS_INTEL_RMS25LB040_SSDID          0x351A
 241 #define MPT2SAS_INTEL_RMS25LB080_SSDID          0x351B
 242 #define MPT2SAS_INTEL_RMS2LL080_SSDID           0x350E
 243 #define MPT2SAS_INTEL_RMS2LL040_SSDID           0x350F
 244 #define MPT2SAS_INTEL_RS25GB008_SSDID           0x3000
 245 #define MPT2SAS_INTEL_SSD910_SSDID              0x3700
 246
 247 #define MPT3SAS_INTEL_RMS3JC080_SSDID           0x3521
 248 #define MPT3SAS_INTEL_RS3GC008_SSDID            0x3522
 249 #define MPT3SAS_INTEL_RS3FC044_SSDID            0x3523
 250 #define MPT3SAS_INTEL_RS3UC080_SSDID            0x3524
 251
 252 /*
 253  * Dell HBA branding
 254  */
 255 #define MPT2SAS_DELL_BRANDING_SIZE                 32
 256
 257 #define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING        "Dell 6Gbps SAS HBA"
 258 #define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING    "Dell PERC H200 Adapter"
 259 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
 260 #define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING    "Dell PERC H200 Modular"
 261 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING   "Dell PERC H200 Embedded"
 262 #define MPT2SAS_DELL_PERC_H200_BRANDING            "Dell PERC H200"
 263 #define MPT2SAS_DELL_6GBPS_SAS_BRANDING            "Dell 6Gbps SAS"
 264
 265 #define MPT3SAS_DELL_12G_HBA_BRANDING       \
 266         "Dell 12Gbps HBA"
 267
 268 /*
 269  * Dell HBA SSDIDs
 270  */
 271 #define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID        0x1F1C
 272 #define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID    0x1F1D
 273 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E
 274 #define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID    0x1F1F
 275 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID   0x1F20
 276 #define MPT2SAS_DELL_PERC_H200_SSDID            0x1F21
 277 #define MPT2SAS_DELL_6GBPS_SAS_SSDID            0x1F22
 278
 279 #define MPT3SAS_DELL_12G_HBA_SSDID              0x1F46
 280
 281 /*
 282  * Cisco HBA branding
 283  */
 284 #define MPT3SAS_CISCO_12G_8E_HBA_BRANDING               \
 285         "Cisco 9300-8E 12G SAS HBA"
 286 #define MPT3SAS_CISCO_12G_8I_HBA_BRANDING               \
 287         "Cisco 9300-8i 12G SAS HBA"
 288 #define MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING    \
 289         "Cisco 12G Modular SAS Pass through Controller"
 290 #define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING         \
 291         "UCS C3X60 12G SAS Pass through Controller"
 292 /*
 293  * Cisco HBA SSSDIDs
 294  */
 295 #define MPT3SAS_CISCO_12G_8E_HBA_SSDID  0x14C
 296 #define MPT3SAS_CISCO_12G_8I_HBA_SSDID  0x154
 297 #define MPT3SAS_CISCO_12G_AVILA_HBA_SSDID  0x155
 298 #define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_SSDID  0x156
 299
 300 /*
 301  * status bits for ioc->diag_buffer_status
 302  */
 303 #define MPT3_DIAG_BUFFER_IS_REGISTERED  (0x01)
 304 #define MPT3_DIAG_BUFFER_IS_RELEASED    (0x02)
 305 #define MPT3_DIAG_BUFFER_IS_DIAG_RESET  (0x04)
 306
 307 /*
 308  * HP HBA branding
 309  */
 310 #define MPT2SAS_HP_3PAR_SSVID                0x1590
 311
 312 #define MPT2SAS_HP_2_4_INTERNAL_BRANDING        \
 313         "HP H220 Host Bus Adapter"
 314 #define MPT2SAS_HP_2_4_EXTERNAL_BRANDING        \
 315         "HP H221 Host Bus Adapter"
 316 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING   \
 317         "HP H222 Host Bus Adapter"
 318 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING       \
 319         "HP H220i Host Bus Adapter"
 320 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING       \
 321         "HP H210i Host Bus Adapter"
 322
 323 /*
 324  * HO HBA SSDIDs
 325  */
 326 #define MPT2SAS_HP_2_4_INTERNAL_SSDID                   0x0041
 327 #define MPT2SAS_HP_2_4_EXTERNAL_SSDID                   0x0042
 328 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID      0x0043
 329 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID          0x0044
 330 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID          0x0046
 331
 332 /*
 333  * Combined Reply Queue constants,
 334  * There are twelve Supplemental Reply Post Host Index Registers
 335  * and each register is at offset 0x10 bytes from the previous one.
 336  */
 337 #define MAX_COMBINED_MSIX_VECTORS(gen35) ((gen35 == 1) ? 16 : 8)
 338 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G3     12
 339 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G35    16
 340 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET       (0x10)
 341
 342 /* OEM Identifiers */
 343 #define MFG10_OEM_ID_INVALID                   (0x00000000)
 344 #define MFG10_OEM_ID_DELL                      (0x00000001)
 345 #define MFG10_OEM_ID_FSC                       (0x00000002)
 346 #define MFG10_OEM_ID_SUN                       (0x00000003)
 347 #define MFG10_OEM_ID_IBM                       (0x00000004)
 348
 349 /* GENERIC Flags 0*/
 350 #define MFG10_GF0_OCE_DISABLED                 (0x00000001)
 351 #define MFG10_GF0_R1E_DRIVE_COUNT              (0x00000002)
 352 #define MFG10_GF0_R10_DISPLAY                  (0x00000004)
 353 #define MFG10_GF0_SSD_DATA_SCRUB_DISABLE       (0x00000008)
 354 #define MFG10_GF0_SINGLE_DRIVE_R0              (0x00000010)
 355
 356 #define VIRTUAL_IO_FAILED_RETRY                 (0x32010081)
 357
 358 /* High IOPs definitions */
 359 #define MPT3SAS_DEVICE_HIGH_IOPS_DEPTH          8
 360 #define MPT3SAS_HIGH_IOPS_REPLY_QUEUES          8
 361 #define MPT3SAS_HIGH_IOPS_BATCH_COUNT           16
 362 #define MPT3SAS_GEN35_MAX_MSIX_QUEUES           128
 363
 364 /* OEM Specific Flags will come from OEM specific header files */
 365 struct Mpi2ManufacturingPage10_t {
 366         MPI2_CONFIG_PAGE_HEADER Header;         /* 00h */
 367         U8      OEMIdentifier;                  /* 04h */
 368         U8      Reserved1;                      /* 05h */
 369         U16     Reserved2;                      /* 08h */
 370         U32     Reserved3;                      /* 0Ch */
 371         U32     GenericFlags0;                  /* 10h */
 372         U32     GenericFlags1;                  /* 14h */
 373         U32     Reserved4;                      /* 18h */
 374         U32     OEMSpecificFlags0;              /* 1Ch */
 375         U32     OEMSpecificFlags1;              /* 20h */
 376         U32     Reserved5[18];                  /* 24h - 60h*/
 377 };
 378
 379
 380 /* Miscellaneous options */
 381 struct Mpi2ManufacturingPage11_t {
 382         MPI2_CONFIG_PAGE_HEADER Header;         /* 00h */
 383         __le32  Reserved1;                      /* 04h */
 384         u8      Reserved2;                      /* 08h */
 385         u8      EEDPTagMode;                    /* 09h */
 386         u8      Reserved3;                      /* 0Ah */
 387         u8      Reserved4;                      /* 0Bh */
 388         __le32  Reserved5[8];                   /* 0Ch-2Ch */
 389         u16     AddlFlags2;                     /* 2Ch */
 390         u8      AddlFlags3;                     /* 2Eh */
 391         u8      Reserved6;                      /* 2Fh */
 392         __le32  Reserved7[7];                   /* 30h - 4Bh */
 393         u8      NVMeAbortTO;                    /* 4Ch */
 394         u8      Reserved8;                      /* 4Dh */
 395         u16     Reserved9;                      /* 4Eh */
 396         __le32  Reserved10[4];                  /* 50h - 60h */
 397 };
 398
 399 /**
 400  * struct MPT3SAS_TARGET - starget private hostdata
 401  * @starget: starget object
 402  * @sas_address: target sas address
 403  * @raid_device: raid_device pointer to access volume data
 404  * @handle: device handle
 405  * @num_luns: number luns
 406  * @flags: MPT_TARGET_FLAGS_XXX flags
 407  * @deleted: target flaged for deletion
 408  * @tm_busy: target is busy with TM request.
 409  * @sas_dev: The sas_device associated with this target
 410  * @pcie_dev: The pcie device associated with this target
 411  */
 412 struct MPT3SAS_TARGET {
 413         struct scsi_target *starget;
 414         u64     sas_address;
 415         struct _raid_device *raid_device;
 416         u16     handle;
 417         int     num_luns;
 418         u32     flags;
 419         u8      deleted;
 420         u8      tm_busy;
 421         struct _sas_device *sas_dev;
 422         struct _pcie_device *pcie_dev;
 423 };
 424
 425
 426 /*
 427  * per device private data
 428  */
 429 #define MPT_DEVICE_FLAGS_INIT           0x01
 430
 431 #define MFG_PAGE10_HIDE_SSDS_MASK       (0x00000003)
 432 #define MFG_PAGE10_HIDE_ALL_DISKS       (0x00)
 433 #define MFG_PAGE10_EXPOSE_ALL_DISKS     (0x01)
 434 #define MFG_PAGE10_HIDE_IF_VOL_PRESENT  (0x02)
 435
 436 /**
 437  * struct MPT3SAS_DEVICE - sdev private hostdata
 438  * @sas_target: starget private hostdata
 439  * @lun: lun number
 440  * @flags: MPT_DEVICE_XXX flags
 441  * @configured_lun: lun is configured
 442  * @block: device is in SDEV_BLOCK state
 443  * @tlr_snoop_check: flag used in determining whether to disable TLR
 444  * @eedp_enable: eedp support enable bit
 445  * @eedp_type: 0(type_1), 1(type_2), 2(type_3)
 446  * @eedp_block_length: block size
 447  * @ata_command_pending: SATL passthrough outstanding for device
 448  */
 449 struct MPT3SAS_DEVICE {
 450         struct MPT3SAS_TARGET *sas_target;
 451         unsigned int    lun;
 452         u32     flags;
 453         u8      configured_lun;
 454         u8      block;
 455         u8      tlr_snoop_check;
 456         u8      ignore_delay_remove;
 457         /* Iopriority Command Handling */
 458         u8      ncq_prio_enable;
 459         /*
 460          * Bug workaround for SATL handling: the mpt2/3sas firmware
 461          * doesn't return BUSY or TASK_SET_FULL for subsequent
 462          * commands while a SATL pass through is in operation as the
 463          * spec requires, it simply does nothing with them until the
 464          * pass through completes, causing them possibly to timeout if
 465          * the passthrough is a long executing command (like format or
 466          * secure erase).  This variable allows us to do the right
 467          * thing while a SATL command is pending.
 468          */
 469         unsigned long ata_command_pending;
 470
 471 };
 472
 473 #define MPT3_CMD_NOT_USED       0x8000  /* free */
 474 #define MPT3_CMD_COMPLETE       0x0001  /* completed */
 475 #define MPT3_CMD_PENDING        0x0002  /* pending */
 476 #define MPT3_CMD_REPLY_VALID    0x0004  /* reply is valid */
 477 #define MPT3_CMD_RESET          0x0008  /* host reset dropped the command */
 478
 479 /**
 480  * struct _internal_cmd - internal commands struct
 481  * @mutex: mutex
 482  * @done: completion
 483  * @reply: reply message pointer
 484  * @sense: sense data
 485  * @status: MPT3_CMD_XXX status
 486  * @smid: system message id
 487  */
 488 struct _internal_cmd {
 489         struct mutex mutex;
 490         struct completion done;
 491         void    *reply;
 492         void    *sense;
 493         u16     status;
 494         u16     smid;
 495 };
 496
 497
 498
 499 /**
 500  * struct _sas_device - attached device information
 501  * @list: sas device list
 502  * @starget: starget object
 503  * @sas_address: device sas address
 504  * @device_name: retrieved from the SAS IDENTIFY frame.
 505  * @handle: device handle
 506  * @sas_address_parent: sas address of parent expander or sas host
 507  * @enclosure_handle: enclosure handle
 508  * @enclosure_logical_id: enclosure logical identifier
 509  * @volume_handle: volume handle (valid when hidden raid member)
 510  * @volume_wwid: volume unique identifier
 511  * @device_info: bitfield provides detailed info about the device
 512  * @id: target id
 513  * @channel: target channel
 514  * @slot: number number
 515  * @phy: phy identifier provided in sas device page 0
 516  * @responding: used in _scsih_sas_device_mark_responding
 517  * @fast_path: fast path feature enable bit
 518  * @pfa_led_on: flag for PFA LED status
 519  * @pend_sas_rphy_add: flag to check if device is in sas_rphy_add()
 520  *      addition routine.
 521  * @chassis_slot: chassis slot
 522  * @is_chassis_slot_valid: chassis slot valid or not
 523  */
 524 struct _sas_device {
 525         struct list_head list;
 526         struct scsi_target *starget;
 527         u64     sas_address;
 528         u64     device_name;
 529         u16     handle;
 530         u64     sas_address_parent;
 531         u16     enclosure_handle;
 532         u64     enclosure_logical_id;
 533         u16     volume_handle;
 534         u64     volume_wwid;
 535         u32     device_info;
 536         int     id;
 537         int     channel;
 538         u16     slot;
 539         u8      phy;
 540         u8      responding;
 541         u8      fast_path;
 542         u8      pfa_led_on;
 543         u8      pend_sas_rphy_add;
 544         u8      enclosure_level;
 545         u8      chassis_slot;
 546         u8      is_chassis_slot_valid;
 547         u8      connector_name[5];
 548         struct kref refcount;
 549 };
 550
 551 static inline void sas_device_get(struct _sas_device *s)
 552 {
 553         kref_get(&s->refcount);
 554 }
 555
 556 static inline void sas_device_free(struct kref *r)
 557 {
 558         kfree(container_of(r, struct _sas_device, refcount));
 559 }
 560
 561 static inline void sas_device_put(struct _sas_device *s)
 562 {
 563         kref_put(&s->refcount, sas_device_free);
 564 }
 565
 566 /*
 567  * struct _pcie_device - attached PCIe device information
 568  * @list: pcie device list
 569  * @starget: starget object
 570  * @wwid: device WWID
 571  * @handle: device handle
 572  * @device_info: bitfield provides detailed info about the device
 573  * @id: target id
 574  * @channel: target channel
 575  * @slot: slot number
 576  * @port_num: port number
 577  * @responding: used in _scsih_pcie_device_mark_responding
 578  * @fast_path: fast path feature enable bit
 579  * @nvme_mdts: MaximumDataTransferSize from PCIe Device Page 2 for
 580  *              NVMe device only
 581  * @enclosure_handle: enclosure handle
 582  * @enclosure_logical_id: enclosure logical identifier
 583  * @enclosure_level: The level of device's enclosure from the controller
 584  * @connector_name: ASCII value of the Connector's name
 585  * @serial_number: pointer of serial number string allocated runtime
 586  * @refcount: reference count for deletion
 587  */
 588 struct _pcie_device {
 589         struct list_head list;
 590         struct scsi_target *starget;
 591         u64     wwid;
 592         u16     handle;
 593         u32     device_info;
 594         int     id;
 595         int     channel;
 596         u16     slot;
 597         u8      port_num;
 598         u8      responding;
 599         u8      fast_path;
 600         u32     nvme_mdts;
 601         u16     enclosure_handle;
 602         u64     enclosure_logical_id;
 603         u8      enclosure_level;
 604         u8      connector_name[4];
 605         u8      *serial_number;
 606         u8      reset_timeout;
 607         struct kref refcount;
 608 };
 609 /**
 610  * pcie_device_get - Increment the pcie device reference count
 611  *
 612  * @p: pcie_device object
 613  *
 614  * When ever this function called it will increment the
 615  * reference count of the pcie device for which this function called.
 616  *
 617  */
 618 static inline void pcie_device_get(struct _pcie_device *p)
 619 {
 620         kref_get(&p->refcount);
 621 }
 622
 623 /**
 624  * pcie_device_free - Release the pcie device object
 625  * @r - kref object
 626  *
 627  * Free's the pcie device object. It will be called when reference count
 628  * reaches to zero.
 629  */
 630 static inline void pcie_device_free(struct kref *r)
 631 {
 632         kfree(container_of(r, struct _pcie_device, refcount));
 633 }
 634
 635 /**
 636  * pcie_device_put - Decrement the pcie device reference count
 637  *
 638  * @p: pcie_device object
 639  *
 640  * When ever this function called it will decrement the
 641  * reference count of the pcie device for which this function called.
 642  *
 643  * When refernce count reaches to Zero, this will call pcie_device_free to the
 644  * pcie_device object.
 645  */
 646 static inline void pcie_device_put(struct _pcie_device *p)
 647 {
 648         kref_put(&p->refcount, pcie_device_free);
 649 }
 650 /**
 651  * struct _raid_device - raid volume link list
 652  * @list: sas device list
 653  * @starget: starget object
 654  * @sdev: scsi device struct (volumes are single lun)
 655  * @wwid: unique identifier for the volume
 656  * @handle: device handle
 657  * @block_size: Block size of the volume
 658  * @id: target id
 659  * @channel: target channel
 660  * @volume_type: the raid level
 661  * @device_info: bitfield provides detailed info about the hidden components
 662  * @num_pds: number of hidden raid components
 663  * @responding: used in _scsih_raid_device_mark_responding
 664  * @percent_complete: resync percent complete
 665  * @direct_io_enabled: Whether direct io to PDs are allowed or not
 666  * @stripe_exponent: X where 2powX is the stripe sz in blocks
 667  * @block_exponent: X where 2powX is the block sz in bytes
 668  * @max_lba: Maximum number of LBA in the volume
 669  * @stripe_sz: Stripe Size of the volume
 670  * @device_info: Device info of the volume member disk
 671  * @pd_handle: Array of handles of the physical drives for direct I/O in le16
 672  */
 673 #define MPT_MAX_WARPDRIVE_PDS           8
 674 struct _raid_device {
 675         struct list_head list;
 676         struct scsi_target *starget;
 677         struct scsi_device *sdev;
 678         u64     wwid;
 679         u16     handle;
 680         u16     block_sz;
 681         int     id;
 682         int     channel;
 683         u8      volume_type;
 684         u8      num_pds;
 685         u8      responding;
 686         u8      percent_complete;
 687         u8      direct_io_enabled;
 688         u8      stripe_exponent;
 689         u8      block_exponent;
 690         u64     max_lba;
 691         u32     stripe_sz;
 692         u32     device_info;
 693         u16     pd_handle[MPT_MAX_WARPDRIVE_PDS];
 694 };
 695
 696 /**
 697  * struct _boot_device - boot device info
 698  *
 699  * @channel: sas, raid, or pcie channel
 700  * @device: holds pointer for struct _sas_device, struct _raid_device or
 701  *     struct _pcie_device
 702  */
 703 struct _boot_device {
 704         int channel;
 705         void *device;
 706 };
 707
 708 /**
 709  * struct _sas_port - wide/narrow sas port information
 710  * @port_list: list of ports belonging to expander
 711  * @num_phys: number of phys belonging to this port
 712  * @remote_identify: attached device identification
 713  * @rphy: sas transport rphy object
 714  * @port: sas transport wide/narrow port object
 715  * @phy_list: _sas_phy list objects belonging to this port
 716  */
 717 struct _sas_port {
 718         struct list_head port_list;
 719         u8      num_phys;
 720         struct sas_identify remote_identify;
 721         struct sas_rphy *rphy;
 722         struct sas_port *port;
 723         struct list_head phy_list;
 724 };
 725
 726 /**
 727  * struct _sas_phy - phy information
 728  * @port_siblings: list of phys belonging to a port
 729  * @identify: phy identification
 730  * @remote_identify: attached device identification
 731  * @phy: sas transport phy object
 732  * @phy_id: unique phy id
 733  * @handle: device handle for this phy
 734  * @attached_handle: device handle for attached device
 735  * @phy_belongs_to_port: port has been created for this phy
 736  */
 737 struct _sas_phy {
 738         struct list_head port_siblings;
 739         struct sas_identify identify;
 740         struct sas_identify remote_identify;
 741         struct sas_phy *phy;
 742         u8      phy_id;
 743         u16     handle;
 744         u16     attached_handle;
 745         u8      phy_belongs_to_port;
 746 };
 747
 748 /**
 749  * struct _sas_node - sas_host/expander information
 750  * @list: list of expanders
 751  * @parent_dev: parent device class
 752  * @num_phys: number phys belonging to this sas_host/expander
 753  * @sas_address: sas address of this sas_host/expander
 754  * @handle: handle for this sas_host/expander
 755  * @sas_address_parent: sas address of parent expander or sas host
 756  * @enclosure_handle: handle for this a member of an enclosure
 757  * @device_info: bitwise defining capabilities of this sas_host/expander
 758  * @responding: used in _scsih_expander_device_mark_responding
 759  * @phy: a list of phys that make up this sas_host/expander
 760  * @sas_port_list: list of ports attached to this sas_host/expander
 761  */
 762 struct _sas_node {
 763         struct list_head list;
 764         struct device *parent_dev;
 765         u8      num_phys;
 766         u64     sas_address;
 767         u16     handle;
 768         u64     sas_address_parent;
 769         u16     enclosure_handle;
 770         u64     enclosure_logical_id;
 771         u8      responding;
 772         struct  _sas_phy *phy;
 773         struct list_head sas_port_list;
 774 };
 775
 776
 777 /**
 778  * struct _enclosure_node - enclosure information
 779  * @list: list of enclosures
 780  * @pg0: enclosure pg0;
 781  */
 782 struct _enclosure_node {
 783         struct list_head list;
 784         Mpi2SasEnclosurePage0_t pg0;
 785 };
 786
 787 /**
 788  * enum reset_type - reset state
 789  * @FORCE_BIG_HAMMER: issue diagnostic reset
 790  * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
 791  */
 792 enum reset_type {
 793         FORCE_BIG_HAMMER,
 794         SOFT_RESET,
 795 };
 796
 797 /**
 798  * struct pcie_sg_list - PCIe SGL buffer (contiguous per I/O)
 799  * @pcie_sgl: PCIe native SGL for NVMe devices
 800  * @pcie_sgl_dma: physical address
 801  */
 802 struct pcie_sg_list {
 803         void            *pcie_sgl;
 804         dma_addr_t      pcie_sgl_dma;
 805 };
 806
 807 /**
 808  * struct chain_tracker - firmware chain tracker
 809  * @chain_buffer: chain buffer
 810  * @chain_buffer_dma: physical address
 811  * @tracker_list: list of free request (ioc->free_chain_list)
 812  */
 813 struct chain_tracker {
 814         void *chain_buffer;
 815         dma_addr_t chain_buffer_dma;
 816 };
 817
 818 struct chain_lookup {
 819         struct chain_tracker *chains_per_smid;
 820         atomic_t        chain_offset;
 821 };
 822
 823 /**
 824  * struct scsiio_tracker - scsi mf request tracker
 825  * @smid: system message id
 826  * @cb_idx: callback index
 827  * @direct_io: To indicate whether I/O is direct (WARPDRIVE)
 828  * @chain_list: list of associated firmware chain tracker
 829  * @msix_io: IO's msix
 830  */
 831 struct scsiio_tracker {
 832         u16     smid;
 833         struct scsi_cmnd *scmd;
 834         u8      cb_idx;
 835         u8      direct_io;
 836         struct pcie_sg_list pcie_sg_list;
 837         struct list_head chain_list;
 838         u16     msix_io;
 839 };
 840
 841 /**
 842  * struct request_tracker - firmware request tracker
 843  * @smid: system message id
 844  * @cb_idx: callback index
 845  * @tracker_list: list of free request (ioc->free_list)
 846  */
 847 struct request_tracker {
 848         u16     smid;
 849         u8      cb_idx;
 850         struct list_head tracker_list;
 851 };
 852
 853 /**
 854  * struct _tr_list - target reset list
 855  * @handle: device handle
 856  * @state: state machine
 857  */
 858 struct _tr_list {
 859         struct list_head list;
 860         u16     handle;
 861         u16     state;
 862 };
 863
 864 /**
 865  * struct _sc_list - delayed SAS_IO_UNIT_CONTROL message list
 866  * @handle: device handle
 867  */
 868 struct _sc_list {
 869         struct list_head list;
 870         u16     handle;
 871 };
 872
 873 /**
 874  * struct _event_ack_list - delayed event acknowledgment list
 875  * @Event: Event ID
 876  * @EventContext: used to track the event uniquely
 877  */
 878 struct _event_ack_list {
 879         struct list_head list;
 880         U16     Event;
 881         U32     EventContext;
 882 };
 883
 884 /**
 885  * struct adapter_reply_queue - the reply queue struct
 886  * @ioc: per adapter object
 887  * @msix_index: msix index into vector table
 888  * @vector: irq vector
 889  * @reply_post_host_index: head index in the pool where FW completes IO
 890  * @reply_post_free: reply post base virt address
 891  * @name: the name registered to request_irq()
 892  * @busy: isr is actively processing replies on another cpu
 893  * @os_irq: irq number
 894  * @irqpoll: irq_poll object
 895  * @irq_poll_scheduled: Tells whether irq poll is scheduled or not
 896  * @list: this list
 897 */
 898 struct adapter_reply_queue {
 899         struct MPT3SAS_ADAPTER  *ioc;
 900         u8                      msix_index;
 901         u32                     reply_post_host_index;
 902         Mpi2ReplyDescriptorsUnion_t *reply_post_free;
 903         char                    name[MPT_NAME_LENGTH];
 904         atomic_t                busy;
 905         u32                     os_irq;
 906         struct irq_poll         irqpoll;
 907         bool                    irq_poll_scheduled;
 908         bool                    irq_line_enable;
 909         struct list_head        list;
 910 };
 911
 912 typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
 913
 914 /* SAS3.0 support */
 915 typedef int (*MPT_BUILD_SG_SCMD)(struct MPT3SAS_ADAPTER *ioc,
 916         struct scsi_cmnd *scmd, u16 smid, struct _pcie_device *pcie_device);
 917 typedef void (*MPT_BUILD_SG)(struct MPT3SAS_ADAPTER *ioc, void *psge,
 918                 dma_addr_t data_out_dma, size_t data_out_sz,
 919                 dma_addr_t data_in_dma, size_t data_in_sz);
 920 typedef void (*MPT_BUILD_ZERO_LEN_SGE)(struct MPT3SAS_ADAPTER *ioc,
 921                 void *paddr);
 922
 923 /* SAS3.5 support */
 924 typedef void (*NVME_BUILD_PRP)(struct MPT3SAS_ADAPTER *ioc, u16 smid,
 925         Mpi26NVMeEncapsulatedRequest_t *nvme_encap_request,
 926         dma_addr_t data_out_dma, size_t data_out_sz, dma_addr_t data_in_dma,
 927         size_t data_in_sz);
 928
 929 /* To support atomic and non atomic descriptors*/
 930 typedef void (*PUT_SMID_IO_FP_HIP) (struct MPT3SAS_ADAPTER *ioc, u16 smid,
 931         u16 funcdep);
 932 typedef void (*PUT_SMID_DEFAULT) (struct MPT3SAS_ADAPTER *ioc, u16 smid);
 933 typedef u32 (*BASE_READ_REG) (const volatile void __iomem *addr);
 934 /*
 935  * To get high iops reply queue's msix index when high iops mode is enabled
 936  * else get the msix index of general reply queues.
 937  */
 938 typedef u8 (*GET_MSIX_INDEX) (struct MPT3SAS_ADAPTER *ioc,
 939         struct scsi_cmnd *scmd);
 940
 941 /* IOC Facts and Port Facts converted from little endian to cpu */
 942 union mpi3_version_union {
 943         MPI2_VERSION_STRUCT             Struct;
 944         u32                             Word;
 945 };
 946
 947 struct mpt3sas_facts {
 948         u16                     MsgVersion;
 949         u16                     HeaderVersion;
 950         u8                      IOCNumber;
 951         u8                      VP_ID;
 952         u8                      VF_ID;
 953         u16                     IOCExceptions;
 954         u16                     IOCStatus;
 955         u32                     IOCLogInfo;
 956         u8                      MaxChainDepth;
 957         u8                      WhoInit;
 958         u8                      NumberOfPorts;
 959         u8                      MaxMSIxVectors;
 960         u16                     RequestCredit;
 961         u16                     ProductID;
 962         u32                     IOCCapabilities;
 963         union mpi3_version_union        FWVersion;
 964         u16                     IOCRequestFrameSize;
 965         u16                     IOCMaxChainSegmentSize;
 966         u16                     MaxInitiators;
 967         u16                     MaxTargets;
 968         u16                     MaxSasExpanders;
 969         u16                     MaxEnclosures;
 970         u16                     ProtocolFlags;
 971         u16                     HighPriorityCredit;
 972         u16                     MaxReplyDescriptorPostQueueDepth;
 973         u8                      ReplyFrameSize;
 974         u8                      MaxVolumes;
 975         u16                     MaxDevHandle;
 976         u16                     MaxPersistentEntries;
 977         u16                     MinDevHandle;
 978         u8                      CurrentHostPageSize;
 979 };
 980
 981 struct mpt3sas_port_facts {
 982         u8                      PortNumber;
 983         u8                      VP_ID;
 984         u8                      VF_ID;
 985         u8                      PortType;
 986         u16                     MaxPostedCmdBuffers;
 987 };
 988
 989 struct reply_post_struct {
 990         Mpi2ReplyDescriptorsUnion_t     *reply_post_free;
 991         dma_addr_t                      reply_post_free_dma;
 992 };
 993
 994 typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc);
 995 /**
 996  * struct MPT3SAS_ADAPTER - per adapter struct
 997  * @list: ioc_list
 998  * @shost: shost object
 999  * @id: unique adapter id
1000  * @cpu_count: number online cpus
1001  * @name: generic ioc string
1002  * @tmp_string: tmp string used for logging
1003  * @pdev: pci pdev object
1004  * @pio_chip: physical io register space
1005  * @chip: memory mapped register space
1006  * @chip_phys: physical addrss prior to mapping
1007  * @logging_level: see mpt3sas_debug.h
1008  * @fwfault_debug: debuging FW timeouts
1009  * @ir_firmware: IR firmware present
1010  * @bars: bitmask of BAR's that must be configured
1011  * @mask_interrupts: ignore interrupt
1012  * @dma_mask: used to set the consistent dma mask
1013  * @pci_access_mutex: Mutex to synchronize ioctl, sysfs show path and
1014  *                      pci resource handling
1015  * @fault_reset_work_q_name: fw fault work queue
1016  * @fault_reset_work_q: ""
1017  * @fault_reset_work: ""
1018  * @firmware_event_name: fw event work queue
1019  * @firmware_event_thread: ""
1020  * @fw_event_lock:
1021  * @fw_event_list: list of fw events
1022  * @aen_event_read_flag: event log was read
1023  * @broadcast_aen_busy: broadcast aen waiting to be serviced
1024  * @shost_recovery: host reset in progress
1025  * @ioc_reset_in_progress_lock:
1026  * @ioc_link_reset_in_progress: phy/hard reset in progress
1027  * @ignore_loginfos: ignore loginfos during task management
1028  * @remove_host: flag for when driver unloads, to avoid sending dev resets
1029  * @pci_error_recovery: flag to prevent ioc access until slot reset completes
1030  * @wait_for_discovery_to_complete: flag set at driver load time when
1031  *                                               waiting on reporting devices
1032  * @is_driver_loading: flag set at driver load time
1033  * @port_enable_failed: flag set when port enable has failed
1034  * @start_scan: flag set from scan_start callback, cleared from _mpt3sas_fw_work
1035  * @start_scan_failed: means port enable failed, return's the ioc_status
1036  * @msix_enable: flag indicating msix is enabled
1037  * @msix_vector_count: number msix vectors
1038  * @cpu_msix_table: table for mapping cpus to msix index
1039  * @cpu_msix_table_sz: table size
1040  * @total_io_cnt: Gives total IO count, used to load balance the interrupts
1041  * @high_iops_outstanding: used to load balance the interrupts
1042  *                              within high iops reply queues
1043  * @msix_load_balance: Enables load balancing of interrupts across
1044  * the multiple MSIXs
1045  * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
1046  * @thresh_hold: Max number of reply descriptors processed
1047  *                              before updating Host Index
1048  * @scsi_io_cb_idx: shost generated commands
1049  * @tm_cb_idx: task management commands
1050  * @scsih_cb_idx: scsih internal commands
1051  * @transport_cb_idx: transport internal commands
1052  * @ctl_cb_idx: clt internal commands
1053  * @base_cb_idx: base internal commands
1054  * @config_cb_idx: base internal commands
1055  * @tm_tr_cb_idx : device removal target reset handshake
1056  * @tm_tr_volume_cb_idx : volume removal target reset
1057  * @base_cmds:
1058  * @transport_cmds:
1059  * @scsih_cmds:
1060  * @tm_cmds:
1061  * @ctl_cmds:
1062  * @config_cmds:
1063  * @base_add_sg_single: handler for either 32/64 bit sgl's
1064  * @event_type: bits indicating which events to log
1065  * @event_context: unique id for each logged event
1066  * @event_log: event log pointer
1067  * @event_masks: events that are masked
1068  * @facts: static facts data
1069  * @pfacts: static port facts data
1070  * @manu_pg0: static manufacturing page 0
1071  * @manu_pg10: static manufacturing page 10
1072  * @manu_pg11: static manufacturing page 11
1073  * @bios_pg2: static bios page 2
1074  * @bios_pg3: static bios page 3
1075  * @ioc_pg8: static ioc page 8
1076  * @iounit_pg0: static iounit page 0
1077  * @iounit_pg1: static iounit page 1
1078  * @iounit_pg8: static iounit page 8
1079  * @sas_hba: sas host object
1080  * @sas_expander_list: expander object list
1081  * @enclosure_list: enclosure object list
1082  * @sas_node_lock:
1083  * @sas_device_list: sas device object list
1084  * @sas_device_init_list: sas device object list (used only at init time)
1085  * @sas_device_lock:
1086  * @pcie_device_list: pcie device object list
1087  * @pcie_device_init_list: pcie device object list (used only at init time)
1088  * @pcie_device_lock:
1089  * @io_missing_delay: time for IO completed by fw when PDR enabled
1090  * @device_missing_delay: time for device missing by fw when PDR enabled
1091  * @sas_id : used for setting volume target IDs
1092  * @pcie_target_id: used for setting pcie target IDs
1093  * @blocking_handles: bitmask used to identify which devices need blocking
1094  * @pd_handles : bitmask for PD handles
1095  * @pd_handles_sz : size of pd_handle bitmask
1096  * @config_page_sz: config page size
1097  * @config_page: reserve memory for config page payload
1098  * @config_page_dma:
1099  * @hba_queue_depth: hba request queue depth
1100  * @sge_size: sg element size for either 32/64 bit
1101  * @scsiio_depth: SCSI_IO queue depth
1102  * @request_sz: per request frame size
1103  * @request: pool of request frames
1104  * @request_dma:
1105  * @request_dma_sz:
1106  * @scsi_lookup: firmware request tracker list
1107  * @scsi_lookup_lock:
1108  * @free_list: free list of request
1109  * @pending_io_count:
1110  * @reset_wq:
1111  * @chain: pool of chains
1112  * @chain_dma:
1113  * @max_sges_in_main_message: number sg elements in main message
1114  * @max_sges_in_chain_message: number sg elements per chain
1115  * @chains_needed_per_io: max chains per io
1116  * @chain_depth: total chains allocated
1117  * @chain_segment_sz: gives the max number of
1118  *                      SGEs accommodate on single chain buffer
1119  * @hi_priority_smid:
1120  * @hi_priority:
1121  * @hi_priority_dma:
1122  * @hi_priority_depth:
1123  * @hpr_lookup:
1124  * @hpr_free_list:
1125  * @internal_smid:
1126  * @internal:
1127  * @internal_dma:
1128  * @internal_depth:
1129  * @internal_lookup:
1130  * @internal_free_list:
1131  * @sense: pool of sense
1132  * @sense_dma:
1133  * @sense_dma_pool:
1134  * @reply_depth: hba reply queue depth:
1135  * @reply_sz: per reply frame size:
1136  * @reply: pool of replys:
1137  * @reply_dma:
1138  * @reply_dma_pool:
1139  * @reply_free_queue_depth: reply free depth
1140  * @reply_free: pool for reply free queue (32 bit addr)
1141  * @reply_free_dma:
1142  * @reply_free_dma_pool:
1143  * @reply_free_host_index: tail index in pool to insert free replys
1144  * @reply_post_queue_depth: reply post queue depth
1145  * @reply_post_struct: struct for reply_post_free physical & virt address
1146  * @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init
1147  * @rdpq_array_enable: rdpq_array support is enabled in the driver
1148  * @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag
1149  *                              is assigned only ones
1150  * @reply_queue_count: number of reply queue's
1151  * @reply_queue_list: link list contaning the reply queue info
1152  * @msix96_vector: 96 MSI-X vector support
1153  * @replyPostRegisterIndex: index of next position in Reply Desc Post Queue
1154  * @delayed_tr_list: target reset link list
1155  * @delayed_tr_volume_list: volume target reset link list
1156  * @delayed_sc_list:
1157  * @delayed_event_ack_list:
1158  * @temp_sensors_count: flag to carry the number of temperature sensors
1159  * @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and
1160  *      pci resource handling. PCI resource freeing will lead to free
1161  *      vital hardware/memory resource, which might be in use by cli/sysfs
1162  *      path functions resulting in Null pointer reference followed by kernel
1163  *      crash. To avoid the above race condition we use mutex syncrhonization
1164  *      which ensures the syncrhonization between cli/sysfs_show path.
1165  * @atomic_desc_capable: Atomic Request Descriptor support.
1166  * @GET_MSIX_INDEX: Get the msix index of high iops queues.
1167  */
1168 struct MPT3SAS_ADAPTER {
1169         struct list_head list;
1170         struct Scsi_Host *shost;
1171         u8              id;
1172         int             cpu_count;
1173         char            name[MPT_NAME_LENGTH];
1174         char            driver_name[MPT_NAME_LENGTH - 8];
1175         char            tmp_string[MPT_STRING_LENGTH];
1176         struct pci_dev  *pdev;
1177         Mpi2SystemInterfaceRegs_t __iomem *chip;
1178         phys_addr_t     chip_phys;
1179         int             logging_level;
1180         int             fwfault_debug;
1181         u8              ir_firmware;
1182         int             bars;
1183         u8              mask_interrupts;
1184         int             dma_mask;
1185
1186         /* fw fault handler */
1187         char            fault_reset_work_q_name[20];
1188         struct workqueue_struct *fault_reset_work_q;
1189         struct delayed_work fault_reset_work;
1190
1191         /* fw event handler */
1192         char            firmware_event_name[20];
1193         struct workqueue_struct *firmware_event_thread;
1194         spinlock_t      fw_event_lock;
1195         struct list_head fw_event_list;
1196
1197          /* misc flags */
1198         int             aen_event_read_flag;
1199         u8              broadcast_aen_busy;
1200         u16             broadcast_aen_pending;
1201         u8              shost_recovery;
1202         u8              got_task_abort_from_ioctl;
1203
1204         struct mutex    reset_in_progress_mutex;
1205         spinlock_t      ioc_reset_in_progress_lock;
1206         u8              ioc_link_reset_in_progress;
1207
1208         u8              ignore_loginfos;
1209         u8              remove_host;
1210         u8              pci_error_recovery;
1211         u8              wait_for_discovery_to_complete;
1212         u8              is_driver_loading;
1213         u8              port_enable_failed;
1214         u8              start_scan;
1215         u16             start_scan_failed;
1216
1217         u8              msix_enable;
1218         u16             msix_vector_count;
1219         u8              *cpu_msix_table;
1220         u16             cpu_msix_table_sz;
1221         resource_size_t __iomem **reply_post_host_index;
1222         u32             ioc_reset_count;
1223         MPT3SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
1224         u32             non_operational_loop;
1225         atomic64_t      total_io_cnt;
1226         atomic64_t      high_iops_outstanding;
1227         bool            msix_load_balance;
1228         u16             thresh_hold;
1229         u8              high_iops_queues;
1230
1231         /* internal commands, callback index */
1232         u8              scsi_io_cb_idx;
1233         u8              tm_cb_idx;
1234         u8              transport_cb_idx;
1235         u8              scsih_cb_idx;
1236         u8              ctl_cb_idx;
1237         u8              base_cb_idx;
1238         u8              port_enable_cb_idx;
1239         u8              config_cb_idx;
1240         u8              tm_tr_cb_idx;
1241         u8              tm_tr_volume_cb_idx;
1242         u8              tm_sas_control_cb_idx;
1243         struct _internal_cmd base_cmds;
1244         struct _internal_cmd port_enable_cmds;
1245         struct _internal_cmd transport_cmds;
1246         struct _internal_cmd scsih_cmds;
1247         struct _internal_cmd tm_cmds;
1248         struct _internal_cmd ctl_cmds;
1249         struct _internal_cmd config_cmds;
1250
1251         MPT_ADD_SGE     base_add_sg_single;
1252
1253         /* function ptr for either IEEE or MPI sg elements */
1254         MPT_BUILD_SG_SCMD build_sg_scmd;
1255         MPT_BUILD_SG    build_sg;
1256         MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge;
1257         u16             sge_size_ieee;
1258         u16             hba_mpi_version_belonged;
1259
1260         /* function ptr for MPI sg elements only */
1261         MPT_BUILD_SG    build_sg_mpi;
1262         MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge_mpi;
1263
1264         /* function ptr for NVMe PRP elements only */
1265         NVME_BUILD_PRP  build_nvme_prp;
1266
1267         /* event log */
1268         u32             event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1269         u32             event_context;
1270         void            *event_log;
1271         u32             event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1272
1273         u8              tm_custom_handling;
1274         u8              nvme_abort_timeout;
1275
1276
1277         /* static config pages */
1278         struct mpt3sas_facts facts;
1279         struct mpt3sas_port_facts *pfacts;
1280         Mpi2ManufacturingPage0_t manu_pg0;
1281         struct Mpi2ManufacturingPage10_t manu_pg10;
1282         struct Mpi2ManufacturingPage11_t manu_pg11;
1283         Mpi2BiosPage2_t bios_pg2;
1284         Mpi2BiosPage3_t bios_pg3;
1285         Mpi2IOCPage8_t ioc_pg8;
1286         Mpi2IOUnitPage0_t iounit_pg0;
1287         Mpi2IOUnitPage1_t iounit_pg1;
1288         Mpi2IOUnitPage8_t iounit_pg8;
1289         Mpi2IOCPage1_t  ioc_pg1_copy;
1290
1291         struct _boot_device req_boot_device;
1292         struct _boot_device req_alt_boot_device;
1293         struct _boot_device current_boot_device;
1294
1295         /* sas hba, expander, and device list */
1296         struct _sas_node sas_hba;
1297         struct list_head sas_expander_list;
1298         struct list_head enclosure_list;
1299         spinlock_t      sas_node_lock;
1300         struct list_head sas_device_list;
1301         struct list_head sas_device_init_list;
1302         spinlock_t      sas_device_lock;
1303         struct list_head pcie_device_list;
1304         struct list_head pcie_device_init_list;
1305         spinlock_t      pcie_device_lock;
1306
1307         struct list_head raid_device_list;
1308         spinlock_t      raid_device_lock;
1309         u8              io_missing_delay;
1310         u16             device_missing_delay;
1311         int             sas_id;
1312         int             pcie_target_id;
1313
1314         void            *blocking_handles;
1315         void            *pd_handles;
1316         u16             pd_handles_sz;
1317
1318         void            *pend_os_device_add;
1319         u16             pend_os_device_add_sz;
1320
1321         /* config page */
1322         u16             config_page_sz;
1323         void            *config_page;
1324         dma_addr_t      config_page_dma;
1325         void            *config_vaddr;
1326
1327         /* scsiio request */
1328         u16             hba_queue_depth;
1329         u16             sge_size;
1330         u16             scsiio_depth;
1331         u16             request_sz;
1332         u8              *request;
1333         dma_addr_t      request_dma;
1334         u32             request_dma_sz;
1335         struct pcie_sg_list *pcie_sg_lookup;
1336         spinlock_t      scsi_lookup_lock;
1337         int             pending_io_count;
1338         wait_queue_head_t reset_wq;
1339
1340         /* PCIe SGL */
1341         struct dma_pool *pcie_sgl_dma_pool;
1342         /* Host Page Size */
1343         u32             page_size;
1344
1345         /* chain */
1346         struct chain_lookup *chain_lookup;
1347         struct list_head free_chain_list;
1348         struct dma_pool *chain_dma_pool;
1349         ulong           chain_pages;
1350         u16             max_sges_in_main_message;
1351         u16             max_sges_in_chain_message;
1352         u16             chains_needed_per_io;
1353         u32             chain_depth;
1354         u16             chain_segment_sz;
1355         u16             chains_per_prp_buffer;
1356
1357         /* hi-priority queue */
1358         u16             hi_priority_smid;
1359         u8              *hi_priority;
1360         dma_addr_t      hi_priority_dma;
1361         u16             hi_priority_depth;
1362         struct request_tracker *hpr_lookup;
1363         struct list_head hpr_free_list;
1364
1365         /* internal queue */
1366         u16             internal_smid;
1367         u8              *internal;
1368         dma_addr_t      internal_dma;
1369         u16             internal_depth;
1370         struct request_tracker *internal_lookup;
1371         struct list_head internal_free_list;
1372
1373         /* sense */
1374         u8              *sense;
1375         dma_addr_t      sense_dma;
1376         struct dma_pool *sense_dma_pool;
1377
1378         /* reply */
1379         u16             reply_sz;
1380         u8              *reply;
1381         dma_addr_t      reply_dma;
1382         u32             reply_dma_max_address;
1383         u32             reply_dma_min_address;
1384         struct dma_pool *reply_dma_pool;
1385
1386         /* reply free queue */
1387         u16             reply_free_queue_depth;
1388         __le32          *reply_free;
1389         dma_addr_t      reply_free_dma;
1390         struct dma_pool *reply_free_dma_pool;
1391         u32             reply_free_host_index;
1392
1393         /* reply post queue */
1394         u16             reply_post_queue_depth;
1395         struct reply_post_struct *reply_post;
1396         u8              rdpq_array_capable;
1397         u8              rdpq_array_enable;
1398         u8              rdpq_array_enable_assigned;
1399         struct dma_pool *reply_post_free_dma_pool;
1400         struct dma_pool *reply_post_free_array_dma_pool;
1401         Mpi2IOCInitRDPQArrayEntry *reply_post_free_array;
1402         dma_addr_t reply_post_free_array_dma;
1403         u8              reply_queue_count;
1404         struct list_head reply_queue_list;
1405
1406         u8              combined_reply_queue;
1407         u8              combined_reply_index_count;
1408         u8              smp_affinity_enable;
1409         /* reply post register index */
1410         resource_size_t **replyPostRegisterIndex;
1411
1412         struct list_head delayed_tr_list;
1413         struct list_head delayed_tr_volume_list;
1414         struct list_head delayed_sc_list;
1415         struct list_head delayed_event_ack_list;
1416         u8              temp_sensors_count;
1417         struct mutex pci_access_mutex;
1418
1419         /* diag buffer support */
1420         u8              *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
1421         u32             diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
1422         dma_addr_t      diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
1423         u8              diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
1424         u32             unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
1425         u32             product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
1426         u32             diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
1427         u32             ring_buffer_offset;
1428         u32             ring_buffer_sz;
1429         u8              is_warpdrive;
1430         u8              is_mcpu_endpoint;
1431         u8              hide_ir_msg;
1432         u8              mfg_pg10_hide_flag;
1433         u8              hide_drives;
1434         spinlock_t      diag_trigger_lock;
1435         u8              diag_trigger_active;
1436         u8              atomic_desc_capable;
1437         BASE_READ_REG   base_readl;
1438         struct SL_WH_MASTER_TRIGGER_T diag_trigger_master;
1439         struct SL_WH_EVENT_TRIGGERS_T diag_trigger_event;
1440         struct SL_WH_SCSI_TRIGGERS_T diag_trigger_scsi;
1441         struct SL_WH_MPI_TRIGGERS_T diag_trigger_mpi;
1442         void            *device_remove_in_progress;
1443         u16             device_remove_in_progress_sz;
1444         u8              is_gen35_ioc;
1445         u8              is_aero_ioc;
1446         PUT_SMID_IO_FP_HIP put_smid_scsi_io;
1447         PUT_SMID_IO_FP_HIP put_smid_fast_path;
1448         PUT_SMID_IO_FP_HIP put_smid_hi_priority;
1449         PUT_SMID_DEFAULT put_smid_default;
1450         GET_MSIX_INDEX get_msix_index_for_smlio;
1451 };
1452
1453 typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1454         u32 reply);
1455
1456
1457 /* base shared API */
1458 extern struct list_head mpt3sas_ioc_list;
1459 extern char    driver_name[MPT_NAME_LENGTH];
1460 /* spinlock on list operations over IOCs
1461  * Case: when multiple warpdrive cards(IOCs) are in use
1462  * Each IOC will added to the ioc list structure on initialization.
1463  * Watchdog threads run at regular intervals to check IOC for any
1464  * fault conditions which will trigger the dead_ioc thread to
1465  * deallocate pci resource, resulting deleting the IOC netry from list,
1466  * this deletion need to protected by spinlock to enusre that
1467  * ioc removal is syncrhonized, if not synchronized it might lead to
1468  * list_del corruption as the ioc list is traversed in cli path.
1469  */
1470 extern spinlock_t gioc_lock;
1471
1472 void mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc);
1473 void mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc);
1474
1475 int mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc);
1476 void mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc);
1477 int mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc);
1478 void mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc);
1479 void mpt3sas_free_enclosure_list(struct MPT3SAS_ADAPTER *ioc);
1480 int mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc,
1481         enum reset_type type);
1482
1483 void *mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1484 void *mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1485 __le32 mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc,
1486         u16 smid);
1487 void *mpt3sas_base_get_pcie_sgl(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1488 dma_addr_t mpt3sas_base_get_pcie_sgl_dma(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1489 void mpt3sas_base_sync_reply_irqs(struct MPT3SAS_ADAPTER *ioc);
1490
1491 void mpt3sas_base_put_smid_fast_path(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1492         u16 handle);
1493 void mpt3sas_base_put_smid_hi_priority(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1494         u16 msix_task);
1495 void mpt3sas_base_put_smid_nvme_encap(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1496 void mpt3sas_base_put_smid_default(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1497 /* hi-priority queue */
1498 u16 mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1499 u16 mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx,
1500                 struct scsi_cmnd *scmd);
1501 void mpt3sas_base_clear_st(struct MPT3SAS_ADAPTER *ioc,
1502                 struct scsiio_tracker *st);
1503
1504 u16 mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1505 void mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1506 void mpt3sas_base_initialize_callback_handler(void);
1507 u8 mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func);
1508 void mpt3sas_base_release_callback_handler(u8 cb_idx);
1509
1510 u8 mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1511         u32 reply);
1512 u8 mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1513         u8 msix_index, u32 reply);
1514 void *mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc,
1515         u32 phys_addr);
1516
1517 u32 mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked);
1518
1519 void mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code);
1520 int mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc,
1521         Mpi2SasIoUnitControlReply_t *mpi_reply,
1522         Mpi2SasIoUnitControlRequest_t *mpi_request);
1523 int mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc,
1524         Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
1525
1526 void mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc,
1527         u32 *event_type);
1528
1529 void mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc);
1530
1531 void mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc,
1532         u16 device_missing_delay, u8 io_missing_delay);
1533
1534 int mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc);
1535
1536 void
1537 mpt3sas_wait_for_commands_to_complete(struct MPT3SAS_ADAPTER *ioc);
1538
1539 u8 mpt3sas_base_check_cmd_timeout(struct MPT3SAS_ADAPTER *ioc,
1540         u8 status, void *mpi_request, int sz);
1541 int mpt3sas_wait_for_ioc(struct MPT3SAS_ADAPTER *ioc, int wait_count);
1542
1543 /* scsih shared API */
1544 struct scsi_cmnd *mpt3sas_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc,
1545         u16 smid);
1546 u8 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
1547         u32 reply);
1548 void mpt3sas_scsih_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc);
1549 void mpt3sas_scsih_after_reset_handler(struct MPT3SAS_ADAPTER *ioc);
1550 void mpt3sas_scsih_reset_done_handler(struct MPT3SAS_ADAPTER *ioc);
1551
1552 int mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, u64 lun,
1553         u8 type, u16 smid_task, u16 msix_task, u8 timeout, u8 tr_method);
1554 int mpt3sas_scsih_issue_locked_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1555         u64 lun, u8 type, u16 smid_task, u16 msix_task,
1556         u8 timeout, u8 tr_method);
1557
1558 void mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1559 void mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1560 void mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1561 void mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1562         u64 sas_address);
1563 u8 mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc,
1564         u16 smid);
1565
1566 struct _sas_node *mpt3sas_scsih_expander_find_by_handle(
1567         struct MPT3SAS_ADAPTER *ioc, u16 handle);
1568 struct _sas_node *mpt3sas_scsih_expander_find_by_sas_address(
1569         struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1570 struct _sas_device *mpt3sas_get_sdev_by_addr(
1571          struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1572 struct _sas_device *__mpt3sas_get_sdev_by_addr(
1573          struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1574 struct _sas_device *mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc,
1575         u16 handle);
1576 struct _pcie_device *mpt3sas_get_pdev_by_handle(struct MPT3SAS_ADAPTER *ioc,
1577         u16 handle);
1578
1579 void mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc);
1580 struct _raid_device *
1581 mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1582
1583 /* config shared API */
1584 u8 mpt3sas_config_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1585         u32 reply);
1586 int mpt3sas_config_get_number_hba_phys(struct MPT3SAS_ADAPTER *ioc,
1587         u8 *num_phys);
1588 int mpt3sas_config_get_manufacturing_pg0(struct MPT3SAS_ADAPTER *ioc,
1589         Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1590 int mpt3sas_config_get_manufacturing_pg7(struct MPT3SAS_ADAPTER *ioc,
1591         Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage7_t *config_page,
1592         u16 sz);
1593 int mpt3sas_config_get_manufacturing_pg10(struct MPT3SAS_ADAPTER *ioc,
1594         Mpi2ConfigReply_t *mpi_reply,
1595         struct Mpi2ManufacturingPage10_t *config_page);
1596
1597 int mpt3sas_config_get_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1598         Mpi2ConfigReply_t *mpi_reply,
1599         struct Mpi2ManufacturingPage11_t  *config_page);
1600 int mpt3sas_config_set_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1601         Mpi2ConfigReply_t *mpi_reply,
1602         struct Mpi2ManufacturingPage11_t *config_page);
1603
1604 int mpt3sas_config_get_bios_pg2(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1605         *mpi_reply, Mpi2BiosPage2_t *config_page);
1606 int mpt3sas_config_get_bios_pg3(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1607         *mpi_reply, Mpi2BiosPage3_t *config_page);
1608 int mpt3sas_config_get_iounit_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1609         *mpi_reply, Mpi2IOUnitPage0_t *config_page);
1610 int mpt3sas_config_get_sas_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1611         Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage0_t *config_page,
1612         u32 form, u32 handle);
1613 int mpt3sas_config_get_sas_device_pg1(struct MPT3SAS_ADAPTER *ioc,
1614         Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage1_t *config_page,
1615         u32 form, u32 handle);
1616 int mpt3sas_config_get_pcie_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1617         Mpi2ConfigReply_t *mpi_reply, Mpi26PCIeDevicePage0_t *config_page,
1618         u32 form, u32 handle);
1619 int mpt3sas_config_get_pcie_device_pg2(struct MPT3SAS_ADAPTER *ioc,
1620         Mpi2ConfigReply_t *mpi_reply, Mpi26PCIeDevicePage2_t *config_page,
1621         u32 form, u32 handle);
1622 int mpt3sas_config_get_sas_iounit_pg0(struct MPT3SAS_ADAPTER *ioc,
1623         Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage0_t *config_page,
1624         u16 sz);
1625 int mpt3sas_config_get_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1626         *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1627 int mpt3sas_config_get_iounit_pg3(struct MPT3SAS_ADAPTER *ioc,
1628         Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
1629 int mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1630         *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1631 int mpt3sas_config_get_iounit_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1632         *mpi_reply, Mpi2IOUnitPage8_t *config_page);
1633 int mpt3sas_config_get_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1634         Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1635         u16 sz);
1636 int mpt3sas_config_set_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1637         Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1638         u16 sz);
1639 int mpt3sas_config_get_ioc_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1640         *mpi_reply, Mpi2IOCPage1_t *config_page);
1641 int mpt3sas_config_set_ioc_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1642         *mpi_reply, Mpi2IOCPage1_t *config_page);
1643 int mpt3sas_config_get_ioc_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1644         *mpi_reply, Mpi2IOCPage8_t *config_page);
1645 int mpt3sas_config_get_expander_pg0(struct MPT3SAS_ADAPTER *ioc,
1646         Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage0_t *config_page,
1647         u32 form, u32 handle);
1648 int mpt3sas_config_get_expander_pg1(struct MPT3SAS_ADAPTER *ioc,
1649         Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage1_t *config_page,
1650         u32 phy_number, u16 handle);
1651 int mpt3sas_config_get_enclosure_pg0(struct MPT3SAS_ADAPTER *ioc,
1652         Mpi2ConfigReply_t *mpi_reply, Mpi2SasEnclosurePage0_t *config_page,
1653         u32 form, u32 handle);
1654 int mpt3sas_config_get_phy_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1655         *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1656 int mpt3sas_config_get_phy_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1657         *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1658 int mpt3sas_config_get_raid_volume_pg1(struct MPT3SAS_ADAPTER *ioc,
1659         Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
1660         u32 handle);
1661 int mpt3sas_config_get_number_pds(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1662         u8 *num_pds);
1663 int mpt3sas_config_get_raid_volume_pg0(struct MPT3SAS_ADAPTER *ioc,
1664         Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form,
1665         u32 handle, u16 sz);
1666 int mpt3sas_config_get_phys_disk_pg0(struct MPT3SAS_ADAPTER *ioc,
1667         Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
1668         u32 form, u32 form_specific);
1669 int mpt3sas_config_get_volume_handle(struct MPT3SAS_ADAPTER *ioc, u16 pd_handle,
1670         u16 *volume_handle);
1671 int mpt3sas_config_get_volume_wwid(struct MPT3SAS_ADAPTER *ioc,
1672         u16 volume_handle, u64 *wwid);
1673
1674 /* ctl shared API */
1675 extern struct device_attribute *mpt3sas_host_attrs[];
1676 extern struct device_attribute *mpt3sas_dev_attrs[];
1677 void mpt3sas_ctl_init(ushort hbas_to_enumerate);
1678 void mpt3sas_ctl_exit(ushort hbas_to_enumerate);
1679 u8 mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1680         u32 reply);
1681 void mpt3sas_ctl_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc);
1682 void mpt3sas_ctl_after_reset_handler(struct MPT3SAS_ADAPTER *ioc);
1683 void mpt3sas_ctl_reset_done_handler(struct MPT3SAS_ADAPTER *ioc);
1684 u8 mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc,
1685         u8 msix_index, u32 reply);
1686 void mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc,
1687         Mpi2EventNotificationReply_t *mpi_reply);
1688
1689 void mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc,
1690         u8 bits_to_register);
1691 int mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type,
1692         u8 *issue_reset);
1693
1694 /* transport shared API */
1695 extern struct scsi_transport_template *mpt3sas_transport_template;
1696 u8 mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1697         u32 reply);
1698 struct _sas_port *mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc,
1699         u16 handle, u64 sas_address);
1700 void mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1701         u64 sas_address_parent);
1702 int mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy
1703         *mpt3sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1704 int mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER *ioc,
1705         struct _sas_phy *mpt3sas_phy, Mpi2ExpanderPage1_t expander_pg1,
1706         struct device *parent_dev);
1707 void mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc,
1708         u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
1709 extern struct sas_function_template mpt3sas_transport_functions;
1710 extern struct scsi_transport_template *mpt3sas_transport_template;
1711 /* trigger data externs */
1712 void mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
1713         struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1714 void mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc,
1715         struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1716 void mpt3sas_trigger_master(struct MPT3SAS_ADAPTER *ioc,
1717         u32 tigger_bitmask);
1718 void mpt3sas_trigger_event(struct MPT3SAS_ADAPTER *ioc, u16 event,
1719         u16 log_entry_qualifier);
1720 void mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key,
1721         u8 asc, u8 ascq);
1722 void mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status,
1723         u32 loginfo);
1724
1725 /* warpdrive APIs */
1726 u8 mpt3sas_get_num_volumes(struct MPT3SAS_ADAPTER *ioc);
1727 void mpt3sas_init_warpdrive_properties(struct MPT3SAS_ADAPTER *ioc,
1728         struct _raid_device *raid_device);
1729 void
1730 mpt3sas_setup_direct_io(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
1731         struct _raid_device *raid_device, Mpi25SCSIIORequest_t *mpi_request);
1732
1733 /* NCQ Prio Handling Check */
1734 bool scsih_ncq_prio_supp(struct scsi_device *sdev);
1735
1736 #endif /* MPT3SAS_BASE_H_INCLUDED */