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          "08.100.00.00"
  73 #define MPT2SAS_MAJOR_VERSION           08
  74 #define MPT2SAS_MINOR_VERSION           100
  75 #define MPT2SAS_BUILD_VERSION           00
  76 #define MPT2SAS_RELEASE_VERSION         00
  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  * per target private data
 193  */
 194 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
 195 #define MPT_TARGET_FLAGS_VOLUME         0x02
 196 #define MPT_TARGET_FLAGS_DELETED        0x04
 197
 198 /**
 199  * struct MPT2SAS_TARGET - starget private hostdata
 200  * @starget: starget object
 201  * @sas_address: target sas address
 202  * @handle: device handle
 203  * @num_luns: number luns
 204  * @flags: MPT_TARGET_FLAGS_XXX flags
 205  * @deleted: target flaged for deletion
 206  * @tm_busy: target is busy with TM request.
 207  */
 208 struct MPT2SAS_TARGET {
 209         struct scsi_target *starget;
 210         u64     sas_address;
 211         u16     handle;
 212         int     num_luns;
 213         u32     flags;
 214         u8      deleted;
 215         u8      tm_busy;
 216 };
 217
 218 /*
 219  * per device private data
 220  */
 221 #define MPT_DEVICE_FLAGS_INIT           0x01
 222 #define MPT_DEVICE_TLR_ON               0x02
 223
 224 /**
 225  * struct MPT2SAS_DEVICE - sdev private hostdata
 226  * @sas_target: starget private hostdata
 227  * @lun: lun number
 228  * @flags: MPT_DEVICE_XXX flags
 229  * @configured_lun: lun is configured
 230  * @block: device is in SDEV_BLOCK state
 231  * @tlr_snoop_check: flag used in determining whether to disable TLR
 232  */
 233
 234 /* OEM Identifiers */
 235 #define MFG10_OEM_ID_INVALID                   (0x00000000)
 236 #define MFG10_OEM_ID_DELL                      (0x00000001)
 237 #define MFG10_OEM_ID_FSC                       (0x00000002)
 238 #define MFG10_OEM_ID_SUN                       (0x00000003)
 239 #define MFG10_OEM_ID_IBM                       (0x00000004)
 240
 241 /* GENERIC Flags 0*/
 242 #define MFG10_GF0_OCE_DISABLED                 (0x00000001)
 243 #define MFG10_GF0_R1E_DRIVE_COUNT              (0x00000002)
 244 #define MFG10_GF0_R10_DISPLAY                  (0x00000004)
 245 #define MFG10_GF0_SSD_DATA_SCRUB_DISABLE       (0x00000008)
 246 #define MFG10_GF0_SINGLE_DRIVE_R0              (0x00000010)
 247
 248 /* OEM Specific Flags will come from OEM specific header files */
 249 typedef struct _MPI2_CONFIG_PAGE_MAN_10 {
 250     MPI2_CONFIG_PAGE_HEADER Header;                                 /* 00h */
 251     U8                      OEMIdentifier;                          /* 04h */
 252     U8                      Reserved1;                              /* 05h */
 253     U16                     Reserved2;                              /* 08h */
 254     U32                     Reserved3;                              /* 0Ch */
 255     U32                     GenericFlags0;                          /* 10h */
 256     U32                     GenericFlags1;                          /* 14h */
 257     U32                     Reserved4;                              /* 18h */
 258     U32                     OEMSpecificFlags0;                      /* 1Ch */
 259     U32                     OEMSpecificFlags1;                      /* 20h */
 260     U32                     Reserved5[18];                          /* 24h-60h*/
 261 } MPI2_CONFIG_PAGE_MAN_10,
 262   MPI2_POINTER PTR_MPI2_CONFIG_PAGE_MAN_10,
 263   Mpi2ManufacturingPage10_t, MPI2_POINTER pMpi2ManufacturingPage10_t;
 264
 265 struct MPT2SAS_DEVICE {
 266         struct MPT2SAS_TARGET *sas_target;
 267         unsigned int    lun;
 268         u32     flags;
 269         u8      configured_lun;
 270         u8      block;
 271         u8      tlr_snoop_check;
 272 };
 273
 274 #define MPT2_CMD_NOT_USED       0x8000  /* free */
 275 #define MPT2_CMD_COMPLETE       0x0001  /* completed */
 276 #define MPT2_CMD_PENDING        0x0002  /* pending */
 277 #define MPT2_CMD_REPLY_VALID    0x0004  /* reply is valid */
 278 #define MPT2_CMD_RESET          0x0008  /* host reset dropped the command */
 279
 280 /**
 281  * struct _internal_cmd - internal commands struct
 282  * @mutex: mutex
 283  * @done: completion
 284  * @reply: reply message pointer
 285  * @sense: sense data
 286  * @status: MPT2_CMD_XXX status
 287  * @smid: system message id
 288  */
 289 struct _internal_cmd {
 290         struct mutex mutex;
 291         struct completion done;
 292         void    *reply;
 293         void    *sense;
 294         u16     status;
 295         u16     smid;
 296 };
 297
 298
 299 /**
 300  * struct _sas_device - attached device information
 301  * @list: sas device list
 302  * @starget: starget object
 303  * @sas_address: device sas address
 304  * @device_name: retrieved from the SAS IDENTIFY frame.
 305  * @handle: device handle
 306  * @sas_address_parent: sas address of parent expander or sas host
 307  * @enclosure_handle: enclosure handle
 308  * @enclosure_logical_id: enclosure logical identifier
 309  * @volume_handle: volume handle (valid when hidden raid member)
 310  * @volume_wwid: volume unique identifier
 311  * @device_info: bitfield provides detailed info about the device
 312  * @id: target id
 313  * @channel: target channel
 314  * @slot: number number
 315  * @phy: phy identifier provided in sas device page 0
 316  * @responding: used in _scsih_sas_device_mark_responding
 317  */
 318 struct _sas_device {
 319         struct list_head list;
 320         struct scsi_target *starget;
 321         u64     sas_address;
 322         u64     device_name;
 323         u16     handle;
 324         u64     sas_address_parent;
 325         u16     enclosure_handle;
 326         u64     enclosure_logical_id;
 327         u16     volume_handle;
 328         u64     volume_wwid;
 329         u32     device_info;
 330         int     id;
 331         int     channel;
 332         u16     slot;
 333         u8      phy;
 334         u8      responding;
 335 };
 336
 337 /**
 338  * struct _raid_device - raid volume link list
 339  * @list: sas device list
 340  * @starget: starget object
 341  * @sdev: scsi device struct (volumes are single lun)
 342  * @wwid: unique identifier for the volume
 343  * @handle: device handle
 344  * @id: target id
 345  * @channel: target channel
 346  * @volume_type: the raid level
 347  * @device_info: bitfield provides detailed info about the hidden components
 348  * @num_pds: number of hidden raid components
 349  * @responding: used in _scsih_raid_device_mark_responding
 350  * @percent_complete: resync percent complete
 351  */
 352 struct _raid_device {
 353         struct list_head list;
 354         struct scsi_target *starget;
 355         struct scsi_device *sdev;
 356         u64     wwid;
 357         u16     handle;
 358         int     id;
 359         int     channel;
 360         u8      volume_type;
 361         u32     device_info;
 362         u8      num_pds;
 363         u8      responding;
 364         u8      percent_complete;
 365 };
 366
 367 /**
 368  * struct _boot_device - boot device info
 369  * @is_raid: flag to indicate whether this is volume
 370  * @device: holds pointer for either struct _sas_device or
 371  *     struct _raid_device
 372  */
 373 struct _boot_device {
 374         u8 is_raid;
 375         void *device;
 376 };
 377
 378 /**
 379  * struct _sas_port - wide/narrow sas port information
 380  * @port_list: list of ports belonging to expander
 381  * @num_phys: number of phys belonging to this port
 382  * @remote_identify: attached device identification
 383  * @rphy: sas transport rphy object
 384  * @port: sas transport wide/narrow port object
 385  * @phy_list: _sas_phy list objects belonging to this port
 386  */
 387 struct _sas_port {
 388         struct list_head port_list;
 389         u8      num_phys;
 390         struct sas_identify remote_identify;
 391         struct sas_rphy *rphy;
 392         struct sas_port *port;
 393         struct list_head phy_list;
 394 };
 395
 396 /**
 397  * struct _sas_phy - phy information
 398  * @port_siblings: list of phys belonging to a port
 399  * @identify: phy identification
 400  * @remote_identify: attached device identification
 401  * @phy: sas transport phy object
 402  * @phy_id: unique phy id
 403  * @handle: device handle for this phy
 404  * @attached_handle: device handle for attached device
 405  * @phy_belongs_to_port: port has been created for this phy
 406  */
 407 struct _sas_phy {
 408         struct list_head port_siblings;
 409         struct sas_identify identify;
 410         struct sas_identify remote_identify;
 411         struct sas_phy *phy;
 412         u8      phy_id;
 413         u16     handle;
 414         u16     attached_handle;
 415         u8      phy_belongs_to_port;
 416 };
 417
 418 /**
 419  * struct _sas_node - sas_host/expander information
 420  * @list: list of expanders
 421  * @parent_dev: parent device class
 422  * @num_phys: number phys belonging to this sas_host/expander
 423  * @sas_address: sas address of this sas_host/expander
 424  * @handle: handle for this sas_host/expander
 425  * @sas_address_parent: sas address of parent expander or sas host
 426  * @enclosure_handle: handle for this a member of an enclosure
 427  * @device_info: bitwise defining capabilities of this sas_host/expander
 428  * @responding: used in _scsih_expander_device_mark_responding
 429  * @phy: a list of phys that make up this sas_host/expander
 430  * @sas_port_list: list of ports attached to this sas_host/expander
 431  */
 432 struct _sas_node {
 433         struct list_head list;
 434         struct device *parent_dev;
 435         u8      num_phys;
 436         u64     sas_address;
 437         u16     handle;
 438         u64     sas_address_parent;
 439         u16     enclosure_handle;
 440         u64     enclosure_logical_id;
 441         u8      responding;
 442         struct  _sas_phy *phy;
 443         struct list_head sas_port_list;
 444 };
 445
 446 /**
 447  * enum reset_type - reset state
 448  * @FORCE_BIG_HAMMER: issue diagnostic reset
 449  * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
 450  */
 451 enum reset_type {
 452         FORCE_BIG_HAMMER,
 453         SOFT_RESET,
 454 };
 455
 456 /**
 457  * struct chain_tracker - firmware chain tracker
 458  * @chain_buffer: chain buffer
 459  * @chain_buffer_dma: physical address
 460  * @tracker_list: list of free request (ioc->free_chain_list)
 461  */
 462 struct chain_tracker {
 463         void *chain_buffer;
 464         dma_addr_t chain_buffer_dma;
 465         struct list_head tracker_list;
 466 };
 467
 468 /**
 469  * struct scsiio_tracker - scsi mf request tracker
 470  * @smid: system message id
 471  * @scmd: scsi request pointer
 472  * @cb_idx: callback index
 473  * @chain_list: list of chains associated to this IO
 474  * @tracker_list: list of free request (ioc->free_list)
 475  */
 476 struct scsiio_tracker {
 477         u16     smid;
 478         struct scsi_cmnd *scmd;
 479         u8      cb_idx;
 480         struct list_head chain_list;
 481         struct list_head tracker_list;
 482 };
 483
 484 /**
 485  * struct request_tracker - misc mf request tracker
 486  * @smid: system message id
 487  * @scmd: scsi request pointer
 488  * @cb_idx: callback index
 489  * @tracker_list: list of free request (ioc->free_list)
 490  */
 491 struct request_tracker {
 492         u16     smid;
 493         u8      cb_idx;
 494         struct list_head tracker_list;
 495 };
 496
 497 /**
 498  * struct _tr_list - target reset list
 499  * @handle: device handle
 500  * @state: state machine
 501  */
 502 struct _tr_list {
 503         struct list_head list;
 504         u16     handle;
 505         u16     state;
 506 };
 507
 508 typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
 509
 510 /**
 511  * struct MPT2SAS_ADAPTER - per adapter struct
 512  * @list: ioc_list
 513  * @shost: shost object
 514  * @id: unique adapter id
 515  * @pci_irq: irq number
 516  * @name: generic ioc string
 517  * @tmp_string: tmp string used for logging
 518  * @pdev: pci pdev object
 519  * @chip: memory mapped register space
 520  * @chip_phys: physical addrss prior to mapping
 521  * @logging_level: see mpt2sas_debug.h
 522  * @fwfault_debug: debuging FW timeouts
 523  * @ir_firmware: IR firmware present
 524  * @bars: bitmask of BAR's that must be configured
 525  * @mask_interrupts: ignore interrupt
 526  * @fault_reset_work_q_name: fw fault work queue
 527  * @fault_reset_work_q: ""
 528  * @fault_reset_work: ""
 529  * @firmware_event_name: fw event work queue
 530  * @firmware_event_thread: ""
 531  * @fw_events_off: flag to turn off fw event handling
 532  * @fw_event_lock:
 533  * @fw_event_list: list of fw events
 534  * @aen_event_read_flag: event log was read
 535  * @broadcast_aen_busy: broadcast aen waiting to be serviced
 536  * @shost_recovery: host reset in progress
 537  * @ioc_reset_in_progress_lock:
 538  * @ioc_link_reset_in_progress: phy/hard reset in progress
 539  * @ignore_loginfos: ignore loginfos during task management
 540  * @remove_host: flag for when driver unloads, to avoid sending dev resets
 541  * @pci_error_recovery: flag to prevent ioc access until slot reset completes
 542  * @wait_for_port_enable_to_complete:
 543  * @msix_enable: flag indicating msix is enabled
 544  * @msix_vector_count: number msix vectors
 545  * @msix_table: virt address to the msix table
 546  * @msix_table_backup: backup msix table
 547  * @scsi_io_cb_idx: shost generated commands
 548  * @tm_cb_idx: task management commands
 549  * @scsih_cb_idx: scsih internal commands
 550  * @transport_cb_idx: transport internal commands
 551  * @ctl_cb_idx: clt internal commands
 552  * @base_cb_idx: base internal commands
 553  * @config_cb_idx: base internal commands
 554  * @tm_tr_cb_idx : device removal target reset handshake
 555  * @tm_tr_volume_cb_idx : volume removal target reset
 556  * @base_cmds:
 557  * @transport_cmds:
 558  * @scsih_cmds:
 559  * @tm_cmds:
 560  * @ctl_cmds:
 561  * @config_cmds:
 562  * @base_add_sg_single: handler for either 32/64 bit sgl's
 563  * @event_type: bits indicating which events to log
 564  * @event_context: unique id for each logged event
 565  * @event_log: event log pointer
 566  * @event_masks: events that are masked
 567  * @facts: static facts data
 568  * @pfacts: static port facts data
 569  * @manu_pg0: static manufacturing page 0
 570  * @manu_pg10: static manufacturing page 10
 571  * @bios_pg2: static bios page 2
 572  * @bios_pg3: static bios page 3
 573  * @ioc_pg8: static ioc page 8
 574  * @iounit_pg0: static iounit page 0
 575  * @iounit_pg1: static iounit page 1
 576  * @sas_hba: sas host object
 577  * @sas_expander_list: expander object list
 578  * @sas_node_lock:
 579  * @sas_device_list: sas device object list
 580  * @sas_device_init_list: sas device object list (used only at init time)
 581  * @sas_device_lock:
 582  * @io_missing_delay: time for IO completed by fw when PDR enabled
 583  * @device_missing_delay: time for device missing by fw when PDR enabled
 584  * @sas_id : used for setting volume target IDs
 585  * @pd_handles : bitmask for PD handles
 586  * @pd_handles_sz : size of pd_handle bitmask
 587  * @config_page_sz: config page size
 588  * @config_page: reserve memory for config page payload
 589  * @config_page_dma:
 590  * @hba_queue_depth: hba request queue depth
 591  * @sge_size: sg element size for either 32/64 bit
 592  * @scsiio_depth: SCSI_IO queue depth
 593  * @request_sz: per request frame size
 594  * @request: pool of request frames
 595  * @request_dma:
 596  * @request_dma_sz:
 597  * @scsi_lookup: firmware request tracker list
 598  * @scsi_lookup_lock:
 599  * @free_list: free list of request
 600  * @chain: pool of chains
 601  * @pending_io_count:
 602  * @reset_wq:
 603  * @chain_dma:
 604  * @max_sges_in_main_message: number sg elements in main message
 605  * @max_sges_in_chain_message: number sg elements per chain
 606  * @chains_needed_per_io: max chains per io
 607  * @chain_offset_value_for_main_message: location 1st sg in main
 608  * @chain_depth: total chains allocated
 609  * @hi_priority_smid:
 610  * @hi_priority:
 611  * @hi_priority_dma:
 612  * @hi_priority_depth:
 613  * @hpr_lookup:
 614  * @hpr_free_list:
 615  * @internal_smid:
 616  * @internal:
 617  * @internal_dma:
 618  * @internal_depth:
 619  * @internal_lookup:
 620  * @internal_free_list:
 621  * @sense: pool of sense
 622  * @sense_dma:
 623  * @sense_dma_pool:
 624  * @reply_depth: hba reply queue depth:
 625  * @reply_sz: per reply frame size:
 626  * @reply: pool of replys:
 627  * @reply_dma:
 628  * @reply_dma_pool:
 629  * @reply_free_queue_depth: reply free depth
 630  * @reply_free: pool for reply free queue (32 bit addr)
 631  * @reply_free_dma:
 632  * @reply_free_dma_pool:
 633  * @reply_free_host_index: tail index in pool to insert free replys
 634  * @reply_post_queue_depth: reply post queue depth
 635  * @reply_post_free: pool for reply post (64bit descriptor)
 636  * @reply_post_free_dma:
 637  * @reply_post_free_dma_pool:
 638  * @reply_post_host_index: head index in the pool where FW completes IO
 639  * @delayed_tr_list: target reset link list
 640  * @delayed_tr_volume_list: volume target reset link list
 641  */
 642 struct MPT2SAS_ADAPTER {
 643         struct list_head list;
 644         struct Scsi_Host *shost;
 645         u8              id;
 646         u32             pci_irq;
 647         char            name[MPT_NAME_LENGTH];
 648         char            tmp_string[MPT_STRING_LENGTH];
 649         struct pci_dev  *pdev;
 650         Mpi2SystemInterfaceRegs_t __iomem *chip;
 651         resource_size_t chip_phys;
 652         int             logging_level;
 653         int             fwfault_debug;
 654         u8              ir_firmware;
 655         int             bars;
 656         u8              mask_interrupts;
 657
 658         /* fw fault handler */
 659         char            fault_reset_work_q_name[20];
 660         struct workqueue_struct *fault_reset_work_q;
 661         struct delayed_work fault_reset_work;
 662
 663         /* fw event handler */
 664         char            firmware_event_name[20];
 665         struct workqueue_struct *firmware_event_thread;
 666         spinlock_t      fw_event_lock;
 667         struct list_head fw_event_list;
 668
 669          /* misc flags */
 670         int             aen_event_read_flag;
 671         u8              broadcast_aen_busy;
 672         u8              shost_recovery;
 673
 674         struct mutex    reset_in_progress_mutex;
 675         struct completion       shost_recovery_done;
 676         spinlock_t      ioc_reset_in_progress_lock;
 677         u8              ioc_link_reset_in_progress;
 678         int             ioc_reset_in_progress_status;
 679
 680         u8              ignore_loginfos;
 681         u8              remove_host;
 682         u8              pci_error_recovery;
 683         u8              wait_for_port_enable_to_complete;
 684
 685         u8              msix_enable;
 686         u16             msix_vector_count;
 687         u32             *msix_table;
 688         u32             *msix_table_backup;
 689         u32             ioc_reset_count;
 690
 691         /* internal commands, callback index */
 692         u8              scsi_io_cb_idx;
 693         u8              tm_cb_idx;
 694         u8              transport_cb_idx;
 695         u8              scsih_cb_idx;
 696         u8              ctl_cb_idx;
 697         u8              base_cb_idx;
 698         u8              config_cb_idx;
 699         u8              tm_tr_cb_idx;
 700         u8              tm_tr_volume_cb_idx;
 701         u8              tm_sas_control_cb_idx;
 702         struct _internal_cmd base_cmds;
 703         struct _internal_cmd transport_cmds;
 704         struct _internal_cmd scsih_cmds;
 705         struct _internal_cmd tm_cmds;
 706         struct _internal_cmd ctl_cmds;
 707         struct _internal_cmd config_cmds;
 708
 709         MPT_ADD_SGE     base_add_sg_single;
 710
 711         /* event log */
 712         u32             event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
 713         u32             event_context;
 714         void            *event_log;
 715         u32             event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
 716
 717         /* static config pages */
 718         Mpi2IOCFactsReply_t facts;
 719         Mpi2PortFactsReply_t *pfacts;
 720         Mpi2ManufacturingPage0_t manu_pg0;
 721         Mpi2BiosPage2_t bios_pg2;
 722         Mpi2BiosPage3_t bios_pg3;
 723         Mpi2IOCPage8_t ioc_pg8;
 724         Mpi2IOUnitPage0_t iounit_pg0;
 725         Mpi2IOUnitPage1_t iounit_pg1;
 726
 727         struct _boot_device req_boot_device;
 728         struct _boot_device req_alt_boot_device;
 729         struct _boot_device current_boot_device;
 730
 731         /* sas hba, expander, and device list */
 732         struct _sas_node sas_hba;
 733         struct list_head sas_expander_list;
 734         spinlock_t      sas_node_lock;
 735         struct list_head sas_device_list;
 736         struct list_head sas_device_init_list;
 737         spinlock_t      sas_device_lock;
 738         struct list_head raid_device_list;
 739         spinlock_t      raid_device_lock;
 740         u8              io_missing_delay;
 741         u16             device_missing_delay;
 742         int             sas_id;
 743
 744         void            *pd_handles;
 745         u16             pd_handles_sz;
 746
 747         /* config page */
 748         u16             config_page_sz;
 749         void            *config_page;
 750         dma_addr_t      config_page_dma;
 751
 752         /* scsiio request */
 753         u16             hba_queue_depth;
 754         u16             sge_size;
 755         u16             scsiio_depth;
 756         u16             request_sz;
 757         u8              *request;
 758         dma_addr_t      request_dma;
 759         u32             request_dma_sz;
 760         struct scsiio_tracker *scsi_lookup;
 761         ulong           scsi_lookup_pages;
 762         spinlock_t      scsi_lookup_lock;
 763         struct list_head free_list;
 764         int             pending_io_count;
 765         wait_queue_head_t reset_wq;
 766
 767         /* chain */
 768         struct chain_tracker *chain_lookup;
 769         struct list_head free_chain_list;
 770         struct dma_pool *chain_dma_pool;
 771         ulong           chain_pages;
 772         u16             max_sges_in_main_message;
 773         u16             max_sges_in_chain_message;
 774         u16             chains_needed_per_io;
 775         u16             chain_offset_value_for_main_message;
 776         u32             chain_depth;
 777
 778         /* hi-priority queue */
 779         u16             hi_priority_smid;
 780         u8              *hi_priority;
 781         dma_addr_t      hi_priority_dma;
 782         u16             hi_priority_depth;
 783         struct request_tracker *hpr_lookup;
 784         struct list_head hpr_free_list;
 785
 786         /* internal queue */
 787         u16             internal_smid;
 788         u8              *internal;
 789         dma_addr_t      internal_dma;
 790         u16             internal_depth;
 791         struct request_tracker *internal_lookup;
 792         struct list_head internal_free_list;
 793
 794         /* sense */
 795         u8              *sense;
 796         dma_addr_t      sense_dma;
 797         struct dma_pool *sense_dma_pool;
 798
 799         /* reply */
 800         u16             reply_sz;
 801         u8              *reply;
 802         dma_addr_t      reply_dma;
 803         u32             reply_dma_max_address;
 804         u32             reply_dma_min_address;
 805         struct dma_pool *reply_dma_pool;
 806
 807         /* reply free queue */
 808         u16             reply_free_queue_depth;
 809         u32             *reply_free;
 810         dma_addr_t      reply_free_dma;
 811         struct dma_pool *reply_free_dma_pool;
 812         u32             reply_free_host_index;
 813
 814         /* reply post queue */
 815         u16             reply_post_queue_depth;
 816         Mpi2ReplyDescriptorsUnion_t *reply_post_free;
 817         dma_addr_t      reply_post_free_dma;
 818         struct dma_pool *reply_post_free_dma_pool;
 819         u32             reply_post_host_index;
 820
 821         struct list_head delayed_tr_list;
 822         struct list_head delayed_tr_volume_list;
 823
 824         /* diag buffer support */
 825         u8              *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
 826         u32             diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
 827         dma_addr_t      diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
 828         u8              diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
 829         u32             unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
 830         Mpi2ManufacturingPage10_t manu_pg10;
 831         u32             product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
 832         u32             diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
 833         u32             ring_buffer_offset;
 834         u32             ring_buffer_sz;
 835 };
 836
 837 typedef u8 (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
 838     u32 reply);
 839
 840
 841 /* base shared API */
 842 extern struct list_head mpt2sas_ioc_list;
 843 void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc);
 844 void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc);
 845
 846 int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
 847 void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);
 848 int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc);
 849 void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc);
 850 int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
 851     enum reset_type type);
 852
 853 void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 854 void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 855 void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr);
 856 __le32 mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc,
 857     u16 smid);
 858
 859 /* hi-priority queue */
 860 u16 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
 861 u16 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx,
 862     struct scsi_cmnd *scmd);
 863
 864 u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
 865 void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 866 void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid,
 867     u16 handle);
 868 void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 869 void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
 870     u16 io_index);
 871 void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 872 void mpt2sas_base_initialize_callback_handler(void);
 873 u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func);
 874 void mpt2sas_base_release_callback_handler(u8 cb_idx);
 875
 876 u8 mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
 877     u32 reply);
 878 void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr);
 879
 880 u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked);
 881
 882 void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code);
 883 int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
 884     Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t
 885     *mpi_request);
 886 int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
 887     Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
 888 void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type);
 889
 890 void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc);
 891
 892 /* scsih shared API */
 893 u8 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
 894     u32 reply);
 895 int mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle,
 896     uint channel, uint id, uint lun, u8 type, u16 smid_task,
 897     ulong timeout, struct scsi_cmnd *scmd);
 898 void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
 899 void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
 900 void mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
 901 void mpt2sas_device_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
 902 struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc,
 903     u16 handle);
 904 struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
 905     *ioc, u64 sas_address);
 906 struct _sas_device *mpt2sas_scsih_sas_device_find_by_sas_address(
 907     struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
 908
 909 void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
 910
 911 /* config shared API */
 912 u8 mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
 913     u32 reply);
 914 int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys);
 915 int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
 916     Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
 917 int mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
 918     Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page);
 919 int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 920     *mpi_reply, Mpi2BiosPage2_t *config_page);
 921 int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 922     *mpi_reply, Mpi2BiosPage3_t *config_page);
 923 int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 924     *mpi_reply, Mpi2IOUnitPage0_t *config_page);
 925 int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 926     *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle);
 927 int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 928     *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle);
 929 int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 930     *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz);
 931 int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 932     *mpi_reply, Mpi2IOUnitPage1_t *config_page);
 933 int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 934     *mpi_reply, Mpi2IOUnitPage1_t *config_page);
 935 int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 936     *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
 937 int mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
 938     Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
 939 int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 940     *mpi_reply, Mpi2IOCPage8_t *config_page);
 941 int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 942     *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle);
 943 int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 944     *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle);
 945 int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 946     *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle);
 947 int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 948     *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
 949 int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 950     *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
 951 int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 952     *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle);
 953 int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds);
 954 int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 955     *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz);
 956 int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 957     *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
 958     u32 form_specific);
 959 int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
 960     u16 *volume_handle);
 961 int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
 962     u64 *wwid);
 963 /* ctl shared API */
 964 extern struct device_attribute *mpt2sas_host_attrs[];
 965 extern struct device_attribute *mpt2sas_dev_attrs[];
 966 void mpt2sas_ctl_init(void);
 967 void mpt2sas_ctl_exit(void);
 968 u8 mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
 969     u32 reply);
 970 void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
 971 u8 mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
 972     u32 reply);
 973 void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
 974     Mpi2EventNotificationReply_t *mpi_reply);
 975
 976 void mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc,
 977         u8 bits_to_regsiter);
 978
 979 /* transport shared API */
 980 u8 mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
 981     u32 reply);
 982 struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc,
 983      u16 handle, u64 sas_address);
 984 void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
 985      u64 sas_address_parent);
 986 int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
 987     *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
 988 int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
 989     *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev);
 990 void mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
 991      u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
 992 extern struct sas_function_template mpt2sas_transport_functions;
 993 extern struct scsi_transport_template *mpt2sas_transport_template;
 994 extern int scsi_internal_device_block(struct scsi_device *sdev);
 995 extern u8 mpt2sas_stm_zero_smid_handler(struct MPT2SAS_ADAPTER *ioc,
 996     u8 msix_index, u32 reply);
 997 extern int scsi_internal_device_unblock(struct scsi_device *sdev);
 998
 999 #endif /* MPT2SAS_BASE_H_INCLUDED */