drivers/scsi/mpt2sas/mpt2sas_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/mpt2sas/mpt2_base.h
   6  * Copyright (C) 2007-2010  LSI Corporation
   7  *  (mailto:DL-MPTFusionLinux@lsi.com)
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * as published by the Free Software Foundation; either version 2
  12  * of the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * NO WARRANTY
  20  * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
  21  * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
  22  * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
  23  * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
  24  * solely responsible for determining the appropriateness of using and
  25  * distributing the Program and assumes all risks associated with its
  26  * exercise of rights under this Agreement, including but not limited to
  27  * the risks and costs of program errors, damage to or loss of data,
  28  * programs or equipment, and unavailability or interruption of operations.
  29
  30  * DISCLAIMER OF LIABILITY
  31  * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
  32  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  33  * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
  34  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  35  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  36  * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
  37  * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
  38
  39  * You should have received a copy of the GNU General Public License
  40  * along with this program; if not, write to the Free Software
  41  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
  42  * USA.
  43  */
  44
  45 #ifndef MPT2SAS_BASE_H_INCLUDED
  46 #define MPT2SAS_BASE_H_INCLUDED
  47
  48 #include "mpi/mpi2_type.h"
  49 #include "mpi/mpi2.h"
  50 #include "mpi/mpi2_ioc.h"
  51 #include "mpi/mpi2_cnfg.h"
  52 #include "mpi/mpi2_init.h"
  53 #include "mpi/mpi2_raid.h"
  54 #include "mpi/mpi2_tool.h"
  55 #include "mpi/mpi2_sas.h"
  56
  57 #include <scsi/scsi.h>
  58 #include <scsi/scsi_cmnd.h>
  59 #include <scsi/scsi_device.h>
  60 #include <scsi/scsi_host.h>
  61 #include <scsi/scsi_tcq.h>
  62 #include <scsi/scsi_transport_sas.h>
  63 #include <scsi/scsi_dbg.h>
  64 #include <scsi/scsi_eh.h>
  65
  66 #include "mpt2sas_debug.h"
  67
  68 /* driver versioning info */
  69 #define MPT2SAS_DRIVER_NAME             "mpt2sas"
  70 #define MPT2SAS_AUTHOR  "LSI Corporation <DL-MPTFusionLinux@lsi.com>"
  71 #define MPT2SAS_DESCRIPTION     "LSI MPT Fusion SAS 2.0 Device Driver"
  72 #define MPT2SAS_DRIVER_VERSION          "08.100.00.02"
  73 #define MPT2SAS_MAJOR_VERSION           08
  74 #define MPT2SAS_MINOR_VERSION           100
  75 #define MPT2SAS_BUILD_VERSION           00
  76 #define MPT2SAS_RELEASE_VERSION         02
  77
  78 /*
  79  * Set MPT2SAS_SG_DEPTH value based on user input.
  80  */
  81 #ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
  82 #if     CONFIG_SCSI_MPT2SAS_MAX_SGE  < 16
  83 #define MPT2SAS_SG_DEPTH       16
  84 #elif CONFIG_SCSI_MPT2SAS_MAX_SGE  > 128
  85 #define MPT2SAS_SG_DEPTH       128
  86 #else
  87 #define MPT2SAS_SG_DEPTH       CONFIG_SCSI_MPT2SAS_MAX_SGE
  88 #endif
  89 #else
  90 #define MPT2SAS_SG_DEPTH       128 /* MAX_HW_SEGMENTS */
  91 #endif
  92
  93
  94 /*
  95  * Generic Defines
  96  */
  97 #define MPT2SAS_SATA_QUEUE_DEPTH        32
  98 #define MPT2SAS_SAS_QUEUE_DEPTH         254
  99 #define MPT2SAS_RAID_QUEUE_DEPTH        128
 100
 101 #define MPT_NAME_LENGTH                 32      /* generic length of strings */
 102 #define MPT_STRING_LENGTH               64
 103
 104 #define MPT_MAX_CALLBACKS               16
 105
 106
 107 #define  CAN_SLEEP                      1
 108 #define  NO_SLEEP                       0
 109
 110 #define INTERNAL_CMDS_COUNT             10      /* reserved cmds */
 111
 112 #define MPI2_HIM_MASK                   0xFFFFFFFF /* mask every bit*/
 113
 114 #define MPT2SAS_INVALID_DEVICE_HANDLE   0xFFFF
 115
 116
 117 /*
 118  * reset phases
 119  */
 120 #define MPT2_IOC_PRE_RESET              1 /* prior to host reset */
 121 #define MPT2_IOC_AFTER_RESET            2 /* just after host reset */
 122 #define MPT2_IOC_DONE_RESET             3 /* links re-initialized */
 123
 124 /*
 125  * logging format
 126  */
 127 #define MPT2SAS_FMT                     "%s: "
 128 #define MPT2SAS_INFO_FMT                KERN_INFO MPT2SAS_FMT
 129 #define MPT2SAS_NOTE_FMT                KERN_NOTICE MPT2SAS_FMT
 130 #define MPT2SAS_WARN_FMT                KERN_WARNING MPT2SAS_FMT
 131 #define MPT2SAS_ERR_FMT                 KERN_ERR MPT2SAS_FMT
 132
 133 /*
 134  * Dell HBA branding
 135  */
 136 #define MPT2SAS_DELL_BRANDING_SIZE                 32
 137
 138 #define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING        "Dell 6Gbps SAS HBA"
 139 #define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING    "Dell PERC H200 Adapter"
 140 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
 141 #define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING    "Dell PERC H200 Modular"
 142 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING   "Dell PERC H200 Embedded"
 143 #define MPT2SAS_DELL_PERC_H200_BRANDING            "Dell PERC H200"
 144 #define MPT2SAS_DELL_6GBPS_SAS_BRANDING            "Dell 6Gbps SAS"
 145
 146 /*
 147  * Dell HBA SSDIDs
 148  */
 149 #define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID           0x1F1C
 150 #define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID       0x1F1D
 151 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID    0x1F1E
 152 #define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID       0x1F1F
 153 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID      0x1F20
 154 #define MPT2SAS_DELL_PERC_H200_SSDID               0x1F21
 155 #define MPT2SAS_DELL_6GBPS_SAS_SSDID               0x1F22
 156
 157 /*
 158  * Intel HBA branding
 159  */
 160 #define MPT2SAS_INTEL_RMS2LL080_BRANDING        \
 161                                 "Intel Integrated RAID Module RMS2LL080"
 162 #define MPT2SAS_INTEL_RMS2LL040_BRANDING        \
 163                                 "Intel Integrated RAID Module RMS2LL040"
 164
 165 /*
 166  * Intel HBA SSDIDs
 167  */
 168 #define MPT2SAS_INTEL_RMS2LL080_SSDID          0x350E
 169 #define MPT2SAS_INTEL_RMS2LL040_SSDID          0x350F
 170
 171
 172 /*
 173  * HP HBA branding
 174  */
 175 #define MPT2SAS_HP_3PAR_SSVID                0x1590
 176 #define MPT2SAS_HP_2_4_INTERNAL_BRANDING        "HP H220 Host Bus Adapter"
 177 #define MPT2SAS_HP_2_4_EXTERNAL_BRANDING        "HP H221 Host Bus Adapter"
 178 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING "HP H222 Host Bus Adapter"
 179 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING    "HP H220i Host Bus Adapter"
 180 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING    "HP H210i Host Bus Adapter"
 181
 182 /*
 183  * HO HBA SSDIDs
 184  */
 185 #define MPT2SAS_HP_2_4_INTERNAL_SSDID            0x0041
 186 #define MPT2SAS_HP_2_4_EXTERNAL_SSDID            0x0042
 187 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID    0x0043
 188 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID        0x0044
 189 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID        0x0046
 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
 208 /**
 209  * struct MPT2SAS_TARGET - starget private hostdata
 210  * @starget: starget object
 211  * @sas_address: target sas address
 212  * @raid_device: raid_device pointer to access volume data
 213  * @handle: device handle
 214  * @num_luns: number luns
 215  * @flags: MPT_TARGET_FLAGS_XXX flags
 216  * @deleted: target flaged for deletion
 217  * @tm_busy: target is busy with TM request.
 218  */
 219 struct MPT2SAS_TARGET {
 220         struct scsi_target *starget;
 221         u64     sas_address;
 222         struct _raid_device *raid_device;
 223         u16     handle;
 224         int     num_luns;
 225         u32     flags;
 226         u8      deleted;
 227         u8      tm_busy;
 228 };
 229
 230
 231 /*
 232  * per device private data
 233  */
 234 #define MPT_DEVICE_FLAGS_INIT           0x01
 235 #define MPT_DEVICE_TLR_ON               0x02
 236
 237 /**
 238  * struct MPT2SAS_DEVICE - sdev private hostdata
 239  * @sas_target: starget private hostdata
 240  * @lun: lun number
 241  * @flags: MPT_DEVICE_XXX flags
 242  * @configured_lun: lun is configured
 243  * @block: device is in SDEV_BLOCK state
 244  * @tlr_snoop_check: flag used in determining whether to disable TLR
 245  */
 246
 247 /* OEM Identifiers */
 248 #define MFG10_OEM_ID_INVALID                   (0x00000000)
 249 #define MFG10_OEM_ID_DELL                      (0x00000001)
 250 #define MFG10_OEM_ID_FSC                       (0x00000002)
 251 #define MFG10_OEM_ID_SUN                       (0x00000003)
 252 #define MFG10_OEM_ID_IBM                       (0x00000004)
 253
 254 /* GENERIC Flags 0*/
 255 #define MFG10_GF0_OCE_DISABLED                 (0x00000001)
 256 #define MFG10_GF0_R1E_DRIVE_COUNT              (0x00000002)
 257 #define MFG10_GF0_R10_DISPLAY                  (0x00000004)
 258 #define MFG10_GF0_SSD_DATA_SCRUB_DISABLE       (0x00000008)
 259 #define MFG10_GF0_SINGLE_DRIVE_R0              (0x00000010)
 260
 261 /* OEM Specific Flags will come from OEM specific header files */
 262 typedef struct _MPI2_CONFIG_PAGE_MAN_10 {
 263     MPI2_CONFIG_PAGE_HEADER Header;                                 /* 00h */
 264     U8                      OEMIdentifier;                          /* 04h */
 265     U8                      Reserved1;                              /* 05h */
 266     U16                     Reserved2;                              /* 08h */
 267     U32                     Reserved3;                              /* 0Ch */
 268     U32                     GenericFlags0;                          /* 10h */
 269     U32                     GenericFlags1;                          /* 14h */
 270     U32                     Reserved4;                              /* 18h */
 271     U32                     OEMSpecificFlags0;                      /* 1Ch */
 272     U32                     OEMSpecificFlags1;                      /* 20h */
 273     U32                     Reserved5[18];                          /* 24h-60h*/
 274 } MPI2_CONFIG_PAGE_MAN_10,
 275   MPI2_POINTER PTR_MPI2_CONFIG_PAGE_MAN_10,
 276   Mpi2ManufacturingPage10_t, MPI2_POINTER pMpi2ManufacturingPage10_t;
 277
 278 #define MFG_PAGE10_HIDE_SSDS_MASK       (0x00000003)
 279 #define MFG_PAGE10_HIDE_ALL_DISKS       (0x00)
 280 #define MFG_PAGE10_EXPOSE_ALL_DISKS     (0x01)
 281 #define MFG_PAGE10_HIDE_IF_VOL_PRESENT  (0x02)
 282
 283
 284 struct MPT2SAS_DEVICE {
 285         struct MPT2SAS_TARGET *sas_target;
 286         unsigned int    lun;
 287         u32     flags;
 288         u8      configured_lun;
 289         u8      block;
 290         u8      tlr_snoop_check;
 291 };
 292
 293 #define MPT2_CMD_NOT_USED       0x8000  /* free */
 294 #define MPT2_CMD_COMPLETE       0x0001  /* completed */
 295 #define MPT2_CMD_PENDING        0x0002  /* pending */
 296 #define MPT2_CMD_REPLY_VALID    0x0004  /* reply is valid */
 297 #define MPT2_CMD_RESET          0x0008  /* host reset dropped the command */
 298
 299 /**
 300  * struct _internal_cmd - internal commands struct
 301  * @mutex: mutex
 302  * @done: completion
 303  * @reply: reply message pointer
 304  * @sense: sense data
 305  * @status: MPT2_CMD_XXX status
 306  * @smid: system message id
 307  */
 308 struct _internal_cmd {
 309         struct mutex mutex;
 310         struct completion done;
 311         void    *reply;
 312         void    *sense;
 313         u16     status;
 314         u16     smid;
 315 };
 316
 317
 318 /**
 319  * struct _sas_device - attached device information
 320  * @list: sas device list
 321  * @starget: starget object
 322  * @sas_address: device sas address
 323  * @device_name: retrieved from the SAS IDENTIFY frame.
 324  * @handle: device handle
 325  * @sas_address_parent: sas address of parent expander or sas host
 326  * @enclosure_handle: enclosure handle
 327  * @enclosure_logical_id: enclosure logical identifier
 328  * @volume_handle: volume handle (valid when hidden raid member)
 329  * @volume_wwid: volume unique identifier
 330  * @device_info: bitfield provides detailed info about the device
 331  * @id: target id
 332  * @channel: target channel
 333  * @slot: number number
 334  * @phy: phy identifier provided in sas device page 0
 335  * @responding: used in _scsih_sas_device_mark_responding
 336  */
 337 struct _sas_device {
 338         struct list_head list;
 339         struct scsi_target *starget;
 340         u64     sas_address;
 341         u64     device_name;
 342         u16     handle;
 343         u64     sas_address_parent;
 344         u16     enclosure_handle;
 345         u64     enclosure_logical_id;
 346         u16     volume_handle;
 347         u64     volume_wwid;
 348         u32     device_info;
 349         int     id;
 350         int     channel;
 351         u16     slot;
 352         u8      phy;
 353         u8      responding;
 354 };
 355
 356 /**
 357  * struct _raid_device - raid volume link list
 358  * @list: sas device list
 359  * @starget: starget object
 360  * @sdev: scsi device struct (volumes are single lun)
 361  * @wwid: unique identifier for the volume
 362  * @handle: device handle
 363  * @block_size: Block size of the volume
 364  * @id: target id
 365  * @channel: target channel
 366  * @volume_type: the raid level
 367  * @device_info: bitfield provides detailed info about the hidden components
 368  * @num_pds: number of hidden raid components
 369  * @responding: used in _scsih_raid_device_mark_responding
 370  * @percent_complete: resync percent complete
 371  * @direct_io_enabled: Whether direct io to PDs are allowed or not
 372  * @stripe_exponent: X where 2powX is the stripe sz in blocks
 373  * @max_lba: Maximum number of LBA in the volume
 374  * @stripe_sz: Stripe Size of the volume
 375  * @device_info: Device info of the volume member disk
 376  * @pd_handle: Array of handles of the physical drives for direct I/O in le16
 377  */
 378 #define MPT_MAX_WARPDRIVE_PDS           8
 379 struct _raid_device {
 380         struct list_head list;
 381         struct scsi_target *starget;
 382         struct scsi_device *sdev;
 383         u64     wwid;
 384         u16     handle;
 385         u16     block_sz;
 386         int     id;
 387         int     channel;
 388         u8      volume_type;
 389         u8      num_pds;
 390         u8      responding;
 391         u8      percent_complete;
 392         u8      direct_io_enabled;
 393         u8      stripe_exponent;
 394         u64     max_lba;
 395         u32     stripe_sz;
 396         u32     device_info;
 397         u16     pd_handle[MPT_MAX_WARPDRIVE_PDS];
 398 };
 399
 400 /**
 401  * struct _boot_device - boot device info
 402  * @is_raid: flag to indicate whether this is volume
 403  * @device: holds pointer for either struct _sas_device or
 404  *     struct _raid_device
 405  */
 406 struct _boot_device {
 407         u8 is_raid;
 408         void *device;
 409 };
 410
 411 /**
 412  * struct _sas_port - wide/narrow sas port information
 413  * @port_list: list of ports belonging to expander
 414  * @num_phys: number of phys belonging to this port
 415  * @remote_identify: attached device identification
 416  * @rphy: sas transport rphy object
 417  * @port: sas transport wide/narrow port object
 418  * @phy_list: _sas_phy list objects belonging to this port
 419  */
 420 struct _sas_port {
 421         struct list_head port_list;
 422         u8      num_phys;
 423         struct sas_identify remote_identify;
 424         struct sas_rphy *rphy;
 425         struct sas_port *port;
 426         struct list_head phy_list;
 427 };
 428
 429 /**
 430  * struct _sas_phy - phy information
 431  * @port_siblings: list of phys belonging to a port
 432  * @identify: phy identification
 433  * @remote_identify: attached device identification
 434  * @phy: sas transport phy object
 435  * @phy_id: unique phy id
 436  * @handle: device handle for this phy
 437  * @attached_handle: device handle for attached device
 438  * @phy_belongs_to_port: port has been created for this phy
 439  */
 440 struct _sas_phy {
 441         struct list_head port_siblings;
 442         struct sas_identify identify;
 443         struct sas_identify remote_identify;
 444         struct sas_phy *phy;
 445         u8      phy_id;
 446         u16     handle;
 447         u16     attached_handle;
 448         u8      phy_belongs_to_port;
 449 };
 450
 451 /**
 452  * struct _sas_node - sas_host/expander information
 453  * @list: list of expanders
 454  * @parent_dev: parent device class
 455  * @num_phys: number phys belonging to this sas_host/expander
 456  * @sas_address: sas address of this sas_host/expander
 457  * @handle: handle for this sas_host/expander
 458  * @sas_address_parent: sas address of parent expander or sas host
 459  * @enclosure_handle: handle for this a member of an enclosure
 460  * @device_info: bitwise defining capabilities of this sas_host/expander
 461  * @responding: used in _scsih_expander_device_mark_responding
 462  * @phy: a list of phys that make up this sas_host/expander
 463  * @sas_port_list: list of ports attached to this sas_host/expander
 464  */
 465 struct _sas_node {
 466         struct list_head list;
 467         struct device *parent_dev;
 468         u8      num_phys;
 469         u64     sas_address;
 470         u16     handle;
 471         u64     sas_address_parent;
 472         u16     enclosure_handle;
 473         u64     enclosure_logical_id;
 474         u8      responding;
 475         struct  _sas_phy *phy;
 476         struct list_head sas_port_list;
 477 };
 478
 479 /**
 480  * enum reset_type - reset state
 481  * @FORCE_BIG_HAMMER: issue diagnostic reset
 482  * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
 483  */
 484 enum reset_type {
 485         FORCE_BIG_HAMMER,
 486         SOFT_RESET,
 487 };
 488
 489 /**
 490  * struct chain_tracker - firmware chain tracker
 491  * @chain_buffer: chain buffer
 492  * @chain_buffer_dma: physical address
 493  * @tracker_list: list of free request (ioc->free_chain_list)
 494  */
 495 struct chain_tracker {
 496         void *chain_buffer;
 497         dma_addr_t chain_buffer_dma;
 498         struct list_head tracker_list;
 499 };
 500
 501 /**
 502  * struct scsiio_tracker - scsi mf request tracker
 503  * @smid: system message id
 504  * @scmd: scsi request pointer
 505  * @cb_idx: callback index
 506  * @direct_io: To indicate whether I/O is direct (WARPDRIVE)
 507  * @chain_list: list of chains associated to this IO
 508  * @tracker_list: list of free request (ioc->free_list)
 509  */
 510 struct scsiio_tracker {
 511         u16     smid;
 512         struct scsi_cmnd *scmd;
 513         u8      cb_idx;
 514         u8      direct_io;
 515         struct list_head chain_list;
 516         struct list_head tracker_list;
 517 };
 518
 519 /**
 520  * struct request_tracker - firmware request tracker
 521  * @smid: system message id
 522  * @cb_idx: callback index
 523  * @tracker_list: list of free request (ioc->free_list)
 524  */
 525 struct request_tracker {
 526         u16     smid;
 527         u8      cb_idx;
 528         struct list_head tracker_list;
 529 };
 530
 531 /**
 532  * struct _tr_list - target reset list
 533  * @handle: device handle
 534  * @state: state machine
 535  */
 536 struct _tr_list {
 537         struct list_head list;
 538         u16     handle;
 539         u16     state;
 540 };
 541
 542 typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
 543
 544 /**
 545  * struct MPT2SAS_ADAPTER - per adapter struct
 546  * @list: ioc_list
 547  * @shost: shost object
 548  * @id: unique adapter id
 549  * @pci_irq: irq number
 550  * @name: generic ioc string
 551  * @tmp_string: tmp string used for logging
 552  * @pdev: pci pdev object
 553  * @chip: memory mapped register space
 554  * @chip_phys: physical addrss prior to mapping
 555  * @logging_level: see mpt2sas_debug.h
 556  * @fwfault_debug: debuging FW timeouts
 557  * @ir_firmware: IR firmware present
 558  * @bars: bitmask of BAR's that must be configured
 559  * @mask_interrupts: ignore interrupt
 560  * @fault_reset_work_q_name: fw fault work queue
 561  * @fault_reset_work_q: ""
 562  * @fault_reset_work: ""
 563  * @firmware_event_name: fw event work queue
 564  * @firmware_event_thread: ""
 565  * @fw_events_off: flag to turn off fw event handling
 566  * @fw_event_lock:
 567  * @fw_event_list: list of fw events
 568  * @aen_event_read_flag: event log was read
 569  * @broadcast_aen_busy: broadcast aen waiting to be serviced
 570  * @shost_recovery: host reset in progress
 571  * @ioc_reset_in_progress_lock:
 572  * @ioc_link_reset_in_progress: phy/hard reset in progress
 573  * @ignore_loginfos: ignore loginfos during task management
 574  * @remove_host: flag for when driver unloads, to avoid sending dev resets
 575  * @pci_error_recovery: flag to prevent ioc access until slot reset completes
 576  * @wait_for_port_enable_to_complete:
 577  * @msix_enable: flag indicating msix is enabled
 578  * @msix_vector_count: number msix vectors
 579  * @msix_table: virt address to the msix table
 580  * @msix_table_backup: backup msix table
 581  * @scsi_io_cb_idx: shost generated commands
 582  * @tm_cb_idx: task management commands
 583  * @scsih_cb_idx: scsih internal commands
 584  * @transport_cb_idx: transport internal commands
 585  * @ctl_cb_idx: clt internal commands
 586  * @base_cb_idx: base internal commands
 587  * @config_cb_idx: base internal commands
 588  * @tm_tr_cb_idx : device removal target reset handshake
 589  * @tm_tr_volume_cb_idx : volume removal target reset
 590  * @base_cmds:
 591  * @transport_cmds:
 592  * @scsih_cmds:
 593  * @tm_cmds:
 594  * @ctl_cmds:
 595  * @config_cmds:
 596  * @base_add_sg_single: handler for either 32/64 bit sgl's
 597  * @event_type: bits indicating which events to log
 598  * @event_context: unique id for each logged event
 599  * @event_log: event log pointer
 600  * @event_masks: events that are masked
 601  * @facts: static facts data
 602  * @pfacts: static port facts data
 603  * @manu_pg0: static manufacturing page 0
 604  * @manu_pg10: static manufacturing page 10
 605  * @bios_pg2: static bios page 2
 606  * @bios_pg3: static bios page 3
 607  * @ioc_pg8: static ioc page 8
 608  * @iounit_pg0: static iounit page 0
 609  * @iounit_pg1: static iounit page 1
 610  * @sas_hba: sas host object
 611  * @sas_expander_list: expander object list
 612  * @sas_node_lock:
 613  * @sas_device_list: sas device object list
 614  * @sas_device_init_list: sas device object list (used only at init time)
 615  * @sas_device_lock:
 616  * @io_missing_delay: time for IO completed by fw when PDR enabled
 617  * @device_missing_delay: time for device missing by fw when PDR enabled
 618  * @sas_id : used for setting volume target IDs
 619  * @pd_handles : bitmask for PD handles
 620  * @pd_handles_sz : size of pd_handle bitmask
 621  * @config_page_sz: config page size
 622  * @config_page: reserve memory for config page payload
 623  * @config_page_dma:
 624  * @hba_queue_depth: hba request queue depth
 625  * @sge_size: sg element size for either 32/64 bit
 626  * @scsiio_depth: SCSI_IO queue depth
 627  * @request_sz: per request frame size
 628  * @request: pool of request frames
 629  * @request_dma:
 630  * @request_dma_sz:
 631  * @scsi_lookup: firmware request tracker list
 632  * @scsi_lookup_lock:
 633  * @free_list: free list of request
 634  * @chain: pool of chains
 635  * @pending_io_count:
 636  * @reset_wq:
 637  * @chain_dma:
 638  * @max_sges_in_main_message: number sg elements in main message
 639  * @max_sges_in_chain_message: number sg elements per chain
 640  * @chains_needed_per_io: max chains per io
 641  * @chain_offset_value_for_main_message: location 1st sg in main
 642  * @chain_depth: total chains allocated
 643  * @hi_priority_smid:
 644  * @hi_priority:
 645  * @hi_priority_dma:
 646  * @hi_priority_depth:
 647  * @hpr_lookup:
 648  * @hpr_free_list:
 649  * @internal_smid:
 650  * @internal:
 651  * @internal_dma:
 652  * @internal_depth:
 653  * @internal_lookup:
 654  * @internal_free_list:
 655  * @sense: pool of sense
 656  * @sense_dma:
 657  * @sense_dma_pool:
 658  * @reply_depth: hba reply queue depth:
 659  * @reply_sz: per reply frame size:
 660  * @reply: pool of replys:
 661  * @reply_dma:
 662  * @reply_dma_pool:
 663  * @reply_free_queue_depth: reply free depth
 664  * @reply_free: pool for reply free queue (32 bit addr)
 665  * @reply_free_dma:
 666  * @reply_free_dma_pool:
 667  * @reply_free_host_index: tail index in pool to insert free replys
 668  * @reply_post_queue_depth: reply post queue depth
 669  * @reply_post_free: pool for reply post (64bit descriptor)
 670  * @reply_post_free_dma:
 671  * @reply_post_free_dma_pool:
 672  * @reply_post_host_index: head index in the pool where FW completes IO
 673  * @delayed_tr_list: target reset link list
 674  * @delayed_tr_volume_list: volume target reset link list
 675  */
 676 struct MPT2SAS_ADAPTER {
 677         struct list_head list;
 678         struct Scsi_Host *shost;
 679         u8              id;
 680         u32             pci_irq;
 681         char            name[MPT_NAME_LENGTH];
 682         char            tmp_string[MPT_STRING_LENGTH];
 683         struct pci_dev  *pdev;
 684         Mpi2SystemInterfaceRegs_t __iomem *chip;
 685         resource_size_t chip_phys;
 686         int             logging_level;
 687         int             fwfault_debug;
 688         u8              ir_firmware;
 689         int             bars;
 690         u8              mask_interrupts;
 691
 692         /* fw fault handler */
 693         char            fault_reset_work_q_name[20];
 694         struct workqueue_struct *fault_reset_work_q;
 695         struct delayed_work fault_reset_work;
 696
 697         /* fw event handler */
 698         char            firmware_event_name[20];
 699         struct workqueue_struct *firmware_event_thread;
 700         spinlock_t      fw_event_lock;
 701         struct list_head fw_event_list;
 702
 703          /* misc flags */
 704         int             aen_event_read_flag;
 705         u8              broadcast_aen_busy;
 706         u8              shost_recovery;
 707
 708         struct mutex    reset_in_progress_mutex;
 709         struct completion       shost_recovery_done;
 710         spinlock_t      ioc_reset_in_progress_lock;
 711         u8              ioc_link_reset_in_progress;
 712         int             ioc_reset_in_progress_status;
 713
 714         u8              ignore_loginfos;
 715         u8              remove_host;
 716         u8              pci_error_recovery;
 717         u8              wait_for_port_enable_to_complete;
 718
 719         u8              msix_enable;
 720         u16             msix_vector_count;
 721         u32             *msix_table;
 722         u32             *msix_table_backup;
 723         u32             ioc_reset_count;
 724
 725         /* internal commands, callback index */
 726         u8              scsi_io_cb_idx;
 727         u8              tm_cb_idx;
 728         u8              transport_cb_idx;
 729         u8              scsih_cb_idx;
 730         u8              ctl_cb_idx;
 731         u8              base_cb_idx;
 732         u8              config_cb_idx;
 733         u8              tm_tr_cb_idx;
 734         u8              tm_tr_volume_cb_idx;
 735         u8              tm_sas_control_cb_idx;
 736         struct _internal_cmd base_cmds;
 737         struct _internal_cmd transport_cmds;
 738         struct _internal_cmd scsih_cmds;
 739         struct _internal_cmd tm_cmds;
 740         struct _internal_cmd ctl_cmds;
 741         struct _internal_cmd config_cmds;
 742
 743         MPT_ADD_SGE     base_add_sg_single;
 744
 745         /* event log */
 746         u32             event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
 747         u32             event_context;
 748         void            *event_log;
 749         u32             event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
 750
 751         /* static config pages */
 752         Mpi2IOCFactsReply_t facts;
 753         Mpi2PortFactsReply_t *pfacts;
 754         Mpi2ManufacturingPage0_t manu_pg0;
 755         Mpi2BiosPage2_t bios_pg2;
 756         Mpi2BiosPage3_t bios_pg3;
 757         Mpi2IOCPage8_t ioc_pg8;
 758         Mpi2IOUnitPage0_t iounit_pg0;
 759         Mpi2IOUnitPage1_t iounit_pg1;
 760
 761         struct _boot_device req_boot_device;
 762         struct _boot_device req_alt_boot_device;
 763         struct _boot_device current_boot_device;
 764
 765         /* sas hba, expander, and device list */
 766         struct _sas_node sas_hba;
 767         struct list_head sas_expander_list;
 768         spinlock_t      sas_node_lock;
 769         struct list_head sas_device_list;
 770         struct list_head sas_device_init_list;
 771         spinlock_t      sas_device_lock;
 772         struct list_head raid_device_list;
 773         spinlock_t      raid_device_lock;
 774         u8              io_missing_delay;
 775         u16             device_missing_delay;
 776         int             sas_id;
 777
 778         void            *pd_handles;
 779         u16             pd_handles_sz;
 780
 781         /* config page */
 782         u16             config_page_sz;
 783         void            *config_page;
 784         dma_addr_t      config_page_dma;
 785
 786         /* scsiio request */
 787         u16             hba_queue_depth;
 788         u16             sge_size;
 789         u16             scsiio_depth;
 790         u16             request_sz;
 791         u8              *request;
 792         dma_addr_t      request_dma;
 793         u32             request_dma_sz;
 794         struct scsiio_tracker *scsi_lookup;
 795         ulong           scsi_lookup_pages;
 796         spinlock_t      scsi_lookup_lock;
 797         struct list_head free_list;
 798         int             pending_io_count;
 799         wait_queue_head_t reset_wq;
 800
 801         /* chain */
 802         struct chain_tracker *chain_lookup;
 803         struct list_head free_chain_list;
 804         struct dma_pool *chain_dma_pool;
 805         ulong           chain_pages;
 806         u16             max_sges_in_main_message;
 807         u16             max_sges_in_chain_message;
 808         u16             chains_needed_per_io;
 809         u16             chain_offset_value_for_main_message;
 810         u32             chain_depth;
 811
 812         /* hi-priority queue */
 813         u16             hi_priority_smid;
 814         u8              *hi_priority;
 815         dma_addr_t      hi_priority_dma;
 816         u16             hi_priority_depth;
 817         struct request_tracker *hpr_lookup;
 818         struct list_head hpr_free_list;
 819
 820         /* internal queue */
 821         u16             internal_smid;
 822         u8              *internal;
 823         dma_addr_t      internal_dma;
 824         u16             internal_depth;
 825         struct request_tracker *internal_lookup;
 826         struct list_head internal_free_list;
 827
 828         /* sense */
 829         u8              *sense;
 830         dma_addr_t      sense_dma;
 831         struct dma_pool *sense_dma_pool;
 832
 833         /* reply */
 834         u16             reply_sz;
 835         u8              *reply;
 836         dma_addr_t      reply_dma;
 837         u32             reply_dma_max_address;
 838         u32             reply_dma_min_address;
 839         struct dma_pool *reply_dma_pool;
 840
 841         /* reply free queue */
 842         u16             reply_free_queue_depth;
 843         u32             *reply_free;
 844         dma_addr_t      reply_free_dma;
 845         struct dma_pool *reply_free_dma_pool;
 846         u32             reply_free_host_index;
 847
 848         /* reply post queue */
 849         u16             reply_post_queue_depth;
 850         Mpi2ReplyDescriptorsUnion_t *reply_post_free;
 851         dma_addr_t      reply_post_free_dma;
 852         struct dma_pool *reply_post_free_dma_pool;
 853         u32             reply_post_host_index;
 854
 855         struct list_head delayed_tr_list;
 856         struct list_head delayed_tr_volume_list;
 857
 858         /* diag buffer support */
 859         u8              *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
 860         u32             diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
 861         dma_addr_t      diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
 862         u8              diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
 863         u32             unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
 864         Mpi2ManufacturingPage10_t manu_pg10;
 865         u32             product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
 866         u32             diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
 867         u32             ring_buffer_offset;
 868         u32             ring_buffer_sz;
 869         u8              is_warpdrive;
 870         u8              hide_ir_msg;
 871         u8              mfg_pg10_hide_flag;
 872         u8              hide_drives;
 873
 874 };
 875
 876 typedef u8 (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
 877     u32 reply);
 878
 879
 880 /* base shared API */
 881 extern struct list_head mpt2sas_ioc_list;
 882 void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc);
 883 void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc);
 884
 885 int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
 886 void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);
 887 int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc);
 888 void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc);
 889 int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
 890     enum reset_type type);
 891
 892 void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 893 void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 894 void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr);
 895 __le32 mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc,
 896     u16 smid);
 897
 898 /* hi-priority queue */
 899 u16 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
 900 u16 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx,
 901     struct scsi_cmnd *scmd);
 902
 903 u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
 904 void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 905 void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid,
 906     u16 handle);
 907 void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 908 void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
 909     u16 io_index);
 910 void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 911 void mpt2sas_base_initialize_callback_handler(void);
 912 u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func);
 913 void mpt2sas_base_release_callback_handler(u8 cb_idx);
 914
 915 u8 mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
 916     u32 reply);
 917 void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr);
 918
 919 u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked);
 920
 921 void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code);
 922 int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
 923     Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t
 924     *mpi_request);
 925 int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
 926     Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
 927 void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type);
 928
 929 void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc);
 930
 931 /* scsih shared API */
 932 u8 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
 933     u32 reply);
 934 int mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle,
 935     uint channel, uint id, uint lun, u8 type, u16 smid_task,
 936     ulong timeout, struct scsi_cmnd *scmd);
 937 void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
 938 void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
 939 void mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
 940 void mpt2sas_device_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
 941 struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc,
 942     u16 handle);
 943 struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
 944     *ioc, u64 sas_address);
 945 struct _sas_device *mpt2sas_scsih_sas_device_find_by_sas_address(
 946     struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
 947
 948 void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
 949
 950 /* config shared API */
 951 u8 mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
 952     u32 reply);
 953 int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys);
 954 int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
 955     Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
 956 int mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
 957     Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page);
 958 int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 959     *mpi_reply, Mpi2BiosPage2_t *config_page);
 960 int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 961     *mpi_reply, Mpi2BiosPage3_t *config_page);
 962 int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 963     *mpi_reply, Mpi2IOUnitPage0_t *config_page);
 964 int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 965     *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle);
 966 int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 967     *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle);
 968 int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 969     *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz);
 970 int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 971     *mpi_reply, Mpi2IOUnitPage1_t *config_page);
 972 int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 973     *mpi_reply, Mpi2IOUnitPage1_t *config_page);
 974 int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 975     *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
 976 int mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
 977     Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
 978 int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 979     *mpi_reply, Mpi2IOCPage8_t *config_page);
 980 int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 981     *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle);
 982 int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 983     *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle);
 984 int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 985     *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle);
 986 int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 987     *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
 988 int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 989     *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
 990 int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 991     *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle);
 992 int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds);
 993 int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 994     *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz);
 995 int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 996     *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
 997     u32 form_specific);
 998 int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
 999     u16 *volume_handle);
1000 int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
1001     u64 *wwid);
1002 /* ctl shared API */
1003 extern struct device_attribute *mpt2sas_host_attrs[];
1004 extern struct device_attribute *mpt2sas_dev_attrs[];
1005 void mpt2sas_ctl_init(void);
1006 void mpt2sas_ctl_exit(void);
1007 u8 mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1008     u32 reply);
1009 void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
1010 u8 mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
1011     u32 reply);
1012 void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
1013     Mpi2EventNotificationReply_t *mpi_reply);
1014
1015 void mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc,
1016         u8 bits_to_regsiter);
1017
1018 /* transport shared API */
1019 u8 mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1020     u32 reply);
1021 struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc,
1022      u16 handle, u64 sas_address);
1023 void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
1024      u64 sas_address_parent);
1025 int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
1026     *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1027 int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
1028     *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev);
1029 void mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
1030      u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
1031 extern struct sas_function_template mpt2sas_transport_functions;
1032 extern struct scsi_transport_template *mpt2sas_transport_template;
1033 extern int scsi_internal_device_block(struct scsi_device *sdev);
1034 extern u8 mpt2sas_stm_zero_smid_handler(struct MPT2SAS_ADAPTER *ioc,
1035     u8 msix_index, u32 reply);
1036 extern int scsi_internal_device_unblock(struct scsi_device *sdev);
1037
1038 #endif /* MPT2SAS_BASE_H_INCLUDED */