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) 2012-2013  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 MPT3SAS_BASE_H_INCLUDED
  46 #define MPT3SAS_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 "mpt3sas_debug.h"
  67 #include "mpt3sas_trigger_diag.h"
  68
  69 /* driver versioning info */
  70 #define MPT3SAS_DRIVER_NAME             "mpt3sas"
  71 #define MPT3SAS_AUTHOR  "LSI Corporation <DL-MPTFusionLinux@lsi.com>"
  72 #define MPT3SAS_DESCRIPTION     "LSI MPT Fusion SAS 3.0 Device Driver"
  73 #define MPT3SAS_DRIVER_VERSION          "02.100.00.00"
  74 #define MPT3SAS_MAJOR_VERSION           2
  75 #define MPT3SAS_MINOR_VERSION           100
  76 #define MPT3SAS_BUILD_VERSION           0
  77 #define MPT3SAS_RELEASE_VERSION 00
  78
  79 /*
  80  * Set MPT3SAS_SG_DEPTH value based on user input.
  81  */
  82 #define MPT3SAS_MAX_PHYS_SEGMENTS       SCSI_MAX_SG_SEGMENTS
  83 #define MPT3SAS_MIN_PHYS_SEGMENTS       16
  84 #ifdef CONFIG_SCSI_MPT3SAS_MAX_SGE
  85 #define MPT3SAS_SG_DEPTH                CONFIG_SCSI_MPT3SAS_MAX_SGE
  86 #else
  87 #define MPT3SAS_SG_DEPTH                MPT3SAS_MAX_PHYS_SEGMENTS
  88 #endif
  89
  90
  91 /*
  92  * Generic Defines
  93  */
  94 #define MPT3SAS_SATA_QUEUE_DEPTH        32
  95 #define MPT3SAS_SAS_QUEUE_DEPTH         254
  96 #define MPT3SAS_RAID_QUEUE_DEPTH        128
  97
  98 #define MPT_NAME_LENGTH                 32      /* generic length of strings */
  99 #define MPT_STRING_LENGTH               64
 100
 101 #define MPT_MAX_CALLBACKS               32
 102
 103
 104 #define  CAN_SLEEP                      1
 105 #define  NO_SLEEP                       0
 106
 107 #define INTERNAL_CMDS_COUNT             10      /* reserved cmds */
 108
 109 #define MPI3_HIM_MASK                   0xFFFFFFFF /* mask every bit*/
 110
 111 #define MPT3SAS_INVALID_DEVICE_HANDLE   0xFFFF
 112
 113 /*
 114  * reset phases
 115  */
 116 #define MPT3_IOC_PRE_RESET              1 /* prior to host reset */
 117 #define MPT3_IOC_AFTER_RESET            2 /* just after host reset */
 118 #define MPT3_IOC_DONE_RESET             3 /* links re-initialized */
 119
 120 /*
 121  * logging format
 122  */
 123 #define MPT3SAS_FMT                     "%s: "
 124
 125 /*
 126  * per target private data
 127  */
 128 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
 129 #define MPT_TARGET_FLAGS_VOLUME         0x02
 130 #define MPT_TARGET_FLAGS_DELETED        0x04
 131 #define MPT_TARGET_FASTPATH_IO          0x08
 132
 133
 134
 135 /*
 136  * status bits for ioc->diag_buffer_status
 137  */
 138 #define MPT3_DIAG_BUFFER_IS_REGISTERED  (0x01)
 139 #define MPT3_DIAG_BUFFER_IS_RELEASED    (0x02)
 140 #define MPT3_DIAG_BUFFER_IS_DIAG_RESET  (0x04)
 141
 142
 143 /* OEM Identifiers */
 144 #define MFG10_OEM_ID_INVALID                   (0x00000000)
 145 #define MFG10_OEM_ID_DELL                      (0x00000001)
 146 #define MFG10_OEM_ID_FSC                       (0x00000002)
 147 #define MFG10_OEM_ID_SUN                       (0x00000003)
 148 #define MFG10_OEM_ID_IBM                       (0x00000004)
 149
 150 /* GENERIC Flags 0*/
 151 #define MFG10_GF0_OCE_DISABLED                 (0x00000001)
 152 #define MFG10_GF0_R1E_DRIVE_COUNT              (0x00000002)
 153 #define MFG10_GF0_R10_DISPLAY                  (0x00000004)
 154 #define MFG10_GF0_SSD_DATA_SCRUB_DISABLE       (0x00000008)
 155 #define MFG10_GF0_SINGLE_DRIVE_R0              (0x00000010)
 156
 157 /* OEM Specific Flags will come from OEM specific header files */
 158 struct Mpi2ManufacturingPage10_t {
 159         MPI2_CONFIG_PAGE_HEADER Header;         /* 00h */
 160         U8      OEMIdentifier;                  /* 04h */
 161         U8      Reserved1;                      /* 05h */
 162         U16     Reserved2;                      /* 08h */
 163         U32     Reserved3;                      /* 0Ch */
 164         U32     GenericFlags0;                  /* 10h */
 165         U32     GenericFlags1;                  /* 14h */
 166         U32     Reserved4;                      /* 18h */
 167         U32     OEMSpecificFlags0;              /* 1Ch */
 168         U32     OEMSpecificFlags1;              /* 20h */
 169         U32     Reserved5[18];                  /* 24h - 60h*/
 170 };
 171
 172
 173 /* Miscellaneous options */
 174 struct Mpi2ManufacturingPage11_t {
 175         MPI2_CONFIG_PAGE_HEADER Header;         /* 00h */
 176         __le32  Reserved1;                      /* 04h */
 177         u8      Reserved2;                      /* 08h */
 178         u8      EEDPTagMode;                    /* 09h */
 179         u8      Reserved3;                      /* 0Ah */
 180         u8      Reserved4;                      /* 0Bh */
 181         __le32  Reserved5[23];                  /* 0Ch-60h*/
 182 };
 183
 184 /**
 185  * struct MPT3SAS_TARGET - starget private hostdata
 186  * @starget: starget object
 187  * @sas_address: target sas address
 188  * @handle: device handle
 189  * @num_luns: number luns
 190  * @flags: MPT_TARGET_FLAGS_XXX flags
 191  * @deleted: target flaged for deletion
 192  * @tm_busy: target is busy with TM request.
 193  */
 194 struct MPT3SAS_TARGET {
 195         struct scsi_target *starget;
 196         u64     sas_address;
 197         u16     handle;
 198         int     num_luns;
 199         u32     flags;
 200         u8      deleted;
 201         u8      tm_busy;
 202 };
 203
 204
 205 /*
 206  * per device private data
 207  */
 208 #define MPT_DEVICE_FLAGS_INIT           0x01
 209 #define MPT_DEVICE_TLR_ON               0x02
 210
 211 /**
 212  * struct MPT3SAS_DEVICE - sdev private hostdata
 213  * @sas_target: starget private hostdata
 214  * @lun: lun number
 215  * @flags: MPT_DEVICE_XXX flags
 216  * @configured_lun: lun is configured
 217  * @block: device is in SDEV_BLOCK state
 218  * @tlr_snoop_check: flag used in determining whether to disable TLR
 219  * @eedp_enable: eedp support enable bit
 220  * @eedp_type: 0(type_1), 1(type_2), 2(type_3)
 221  * @eedp_block_length: block size
 222  */
 223 struct MPT3SAS_DEVICE {
 224         struct MPT3SAS_TARGET *sas_target;
 225         unsigned int    lun;
 226         u32     flags;
 227         u8      configured_lun;
 228         u8      block;
 229         u8      tlr_snoop_check;
 230 };
 231
 232 #define MPT3_CMD_NOT_USED       0x8000  /* free */
 233 #define MPT3_CMD_COMPLETE       0x0001  /* completed */
 234 #define MPT3_CMD_PENDING        0x0002  /* pending */
 235 #define MPT3_CMD_REPLY_VALID    0x0004  /* reply is valid */
 236 #define MPT3_CMD_RESET          0x0008  /* host reset dropped the command */
 237
 238 /**
 239  * struct _internal_cmd - internal commands struct
 240  * @mutex: mutex
 241  * @done: completion
 242  * @reply: reply message pointer
 243  * @sense: sense data
 244  * @status: MPT3_CMD_XXX status
 245  * @smid: system message id
 246  */
 247 struct _internal_cmd {
 248         struct mutex mutex;
 249         struct completion done;
 250         void    *reply;
 251         void    *sense;
 252         u16     status;
 253         u16     smid;
 254 };
 255
 256
 257
 258 /**
 259  * struct _sas_device - attached device information
 260  * @list: sas device list
 261  * @starget: starget object
 262  * @sas_address: device sas address
 263  * @device_name: retrieved from the SAS IDENTIFY frame.
 264  * @handle: device handle
 265  * @sas_address_parent: sas address of parent expander or sas host
 266  * @enclosure_handle: enclosure handle
 267  * @enclosure_logical_id: enclosure logical identifier
 268  * @volume_handle: volume handle (valid when hidden raid member)
 269  * @volume_wwid: volume unique identifier
 270  * @device_info: bitfield provides detailed info about the device
 271  * @id: target id
 272  * @channel: target channel
 273  * @slot: number number
 274  * @phy: phy identifier provided in sas device page 0
 275  * @fast_path: fast path feature enable bit
 276  * @responding: used in _scsih_sas_device_mark_responding
 277  */
 278 struct _sas_device {
 279         struct list_head list;
 280         struct scsi_target *starget;
 281         u64     sas_address;
 282         u64     device_name;
 283         u16     handle;
 284         u64     sas_address_parent;
 285         u16     enclosure_handle;
 286         u64     enclosure_logical_id;
 287         u16     volume_handle;
 288         u64     volume_wwid;
 289         u32     device_info;
 290         int     id;
 291         int     channel;
 292         u16     slot;
 293         u8      phy;
 294         u8      responding;
 295         u8      fast_path;
 296 };
 297
 298 /**
 299  * struct _raid_device - raid volume link list
 300  * @list: sas device list
 301  * @starget: starget object
 302  * @sdev: scsi device struct (volumes are single lun)
 303  * @wwid: unique identifier for the volume
 304  * @handle: device handle
 305  * @id: target id
 306  * @channel: target channel
 307  * @volume_type: the raid level
 308  * @device_info: bitfield provides detailed info about the hidden components
 309  * @num_pds: number of hidden raid components
 310  * @responding: used in _scsih_raid_device_mark_responding
 311  * @percent_complete: resync percent complete
 312  */
 313 #define MPT_MAX_WARPDRIVE_PDS           8
 314 struct _raid_device {
 315         struct list_head list;
 316         struct scsi_target *starget;
 317         struct scsi_device *sdev;
 318         u64     wwid;
 319         u16     handle;
 320         int     id;
 321         int     channel;
 322         u8      volume_type;
 323         u8      num_pds;
 324         u8      responding;
 325         u8      percent_complete;
 326         u32     device_info;
 327 };
 328
 329 /**
 330  * struct _boot_device - boot device info
 331  * @is_raid: flag to indicate whether this is volume
 332  * @device: holds pointer for either struct _sas_device or
 333  *     struct _raid_device
 334  */
 335 struct _boot_device {
 336         u8 is_raid;
 337         void *device;
 338 };
 339
 340 /**
 341  * struct _sas_port - wide/narrow sas port information
 342  * @port_list: list of ports belonging to expander
 343  * @num_phys: number of phys belonging to this port
 344  * @remote_identify: attached device identification
 345  * @rphy: sas transport rphy object
 346  * @port: sas transport wide/narrow port object
 347  * @phy_list: _sas_phy list objects belonging to this port
 348  */
 349 struct _sas_port {
 350         struct list_head port_list;
 351         u8      num_phys;
 352         struct sas_identify remote_identify;
 353         struct sas_rphy *rphy;
 354         struct sas_port *port;
 355         struct list_head phy_list;
 356 };
 357
 358 /**
 359  * struct _sas_phy - phy information
 360  * @port_siblings: list of phys belonging to a port
 361  * @identify: phy identification
 362  * @remote_identify: attached device identification
 363  * @phy: sas transport phy object
 364  * @phy_id: unique phy id
 365  * @handle: device handle for this phy
 366  * @attached_handle: device handle for attached device
 367  * @phy_belongs_to_port: port has been created for this phy
 368  */
 369 struct _sas_phy {
 370         struct list_head port_siblings;
 371         struct sas_identify identify;
 372         struct sas_identify remote_identify;
 373         struct sas_phy *phy;
 374         u8      phy_id;
 375         u16     handle;
 376         u16     attached_handle;
 377         u8      phy_belongs_to_port;
 378 };
 379
 380 /**
 381  * struct _sas_node - sas_host/expander information
 382  * @list: list of expanders
 383  * @parent_dev: parent device class
 384  * @num_phys: number phys belonging to this sas_host/expander
 385  * @sas_address: sas address of this sas_host/expander
 386  * @handle: handle for this sas_host/expander
 387  * @sas_address_parent: sas address of parent expander or sas host
 388  * @enclosure_handle: handle for this a member of an enclosure
 389  * @device_info: bitwise defining capabilities of this sas_host/expander
 390  * @responding: used in _scsih_expander_device_mark_responding
 391  * @phy: a list of phys that make up this sas_host/expander
 392  * @sas_port_list: list of ports attached to this sas_host/expander
 393  */
 394 struct _sas_node {
 395         struct list_head list;
 396         struct device *parent_dev;
 397         u8      num_phys;
 398         u64     sas_address;
 399         u16     handle;
 400         u64     sas_address_parent;
 401         u16     enclosure_handle;
 402         u64     enclosure_logical_id;
 403         u8      responding;
 404         struct  _sas_phy *phy;
 405         struct list_head sas_port_list;
 406 };
 407
 408 /**
 409  * enum reset_type - reset state
 410  * @FORCE_BIG_HAMMER: issue diagnostic reset
 411  * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
 412  */
 413 enum reset_type {
 414         FORCE_BIG_HAMMER,
 415         SOFT_RESET,
 416 };
 417
 418 /**
 419  * struct chain_tracker - firmware chain tracker
 420  * @chain_buffer: chain buffer
 421  * @chain_buffer_dma: physical address
 422  * @tracker_list: list of free request (ioc->free_chain_list)
 423  */
 424 struct chain_tracker {
 425         void *chain_buffer;
 426         dma_addr_t chain_buffer_dma;
 427         struct list_head tracker_list;
 428 };
 429
 430 /**
 431  * struct scsiio_tracker - scsi mf request tracker
 432  * @smid: system message id
 433  * @scmd: scsi request pointer
 434  * @cb_idx: callback index
 435  * @tracker_list: list of free request (ioc->free_list)
 436  */
 437 struct scsiio_tracker {
 438         u16     smid;
 439         struct scsi_cmnd *scmd;
 440         u8      cb_idx;
 441         struct list_head chain_list;
 442         struct list_head tracker_list;
 443 };
 444
 445 /**
 446  * struct request_tracker - firmware request tracker
 447  * @smid: system message id
 448  * @cb_idx: callback index
 449  * @tracker_list: list of free request (ioc->free_list)
 450  */
 451 struct request_tracker {
 452         u16     smid;
 453         u8      cb_idx;
 454         struct list_head tracker_list;
 455 };
 456
 457 /**
 458  * struct _tr_list - target reset list
 459  * @handle: device handle
 460  * @state: state machine
 461  */
 462 struct _tr_list {
 463         struct list_head list;
 464         u16     handle;
 465         u16     state;
 466 };
 467
 468
 469 /**
 470  * struct adapter_reply_queue - the reply queue struct
 471  * @ioc: per adapter object
 472  * @msix_index: msix index into vector table
 473  * @vector: irq vector
 474  * @reply_post_host_index: head index in the pool where FW completes IO
 475  * @reply_post_free: reply post base virt address
 476  * @name: the name registered to request_irq()
 477  * @busy: isr is actively processing replies on another cpu
 478  * @list: this list
 479 */
 480 struct adapter_reply_queue {
 481         struct MPT3SAS_ADAPTER  *ioc;
 482         u8                      msix_index;
 483         unsigned int            vector;
 484         u32                     reply_post_host_index;
 485         Mpi2ReplyDescriptorsUnion_t *reply_post_free;
 486         char                    name[MPT_NAME_LENGTH];
 487         atomic_t                busy;
 488         struct list_head        list;
 489 };
 490
 491 typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
 492
 493 /* SAS3.0 support */
 494 typedef int (*MPT_BUILD_SG_SCMD)(struct MPT3SAS_ADAPTER *ioc,
 495                 struct scsi_cmnd *scmd, u16 smid);
 496 typedef void (*MPT_BUILD_SG)(struct MPT3SAS_ADAPTER *ioc, void *psge,
 497                 dma_addr_t data_out_dma, size_t data_out_sz,
 498                 dma_addr_t data_in_dma, size_t data_in_sz);
 499 typedef void (*MPT_BUILD_ZERO_LEN_SGE)(struct MPT3SAS_ADAPTER *ioc,
 500                 void *paddr);
 501
 502
 503
 504 /* IOC Facts and Port Facts converted from little endian to cpu */
 505 union mpi3_version_union {
 506         MPI2_VERSION_STRUCT             Struct;
 507         u32                             Word;
 508 };
 509
 510 struct mpt3sas_facts {
 511         u16                     MsgVersion;
 512         u16                     HeaderVersion;
 513         u8                      IOCNumber;
 514         u8                      VP_ID;
 515         u8                      VF_ID;
 516         u16                     IOCExceptions;
 517         u16                     IOCStatus;
 518         u32                     IOCLogInfo;
 519         u8                      MaxChainDepth;
 520         u8                      WhoInit;
 521         u8                      NumberOfPorts;
 522         u8                      MaxMSIxVectors;
 523         u16                     RequestCredit;
 524         u16                     ProductID;
 525         u32                     IOCCapabilities;
 526         union mpi3_version_union        FWVersion;
 527         u16                     IOCRequestFrameSize;
 528         u16                     Reserved3;
 529         u16                     MaxInitiators;
 530         u16                     MaxTargets;
 531         u16                     MaxSasExpanders;
 532         u16                     MaxEnclosures;
 533         u16                     ProtocolFlags;
 534         u16                     HighPriorityCredit;
 535         u16                     MaxReplyDescriptorPostQueueDepth;
 536         u8                      ReplyFrameSize;
 537         u8                      MaxVolumes;
 538         u16                     MaxDevHandle;
 539         u16                     MaxPersistentEntries;
 540         u16                     MinDevHandle;
 541 };
 542
 543 struct mpt3sas_port_facts {
 544         u8                      PortNumber;
 545         u8                      VP_ID;
 546         u8                      VF_ID;
 547         u8                      PortType;
 548         u16                     MaxPostedCmdBuffers;
 549 };
 550
 551 /**
 552  * enum mutex_type - task management mutex type
 553  * @TM_MUTEX_OFF: mutex is not required becuase calling function is acquiring it
 554  * @TM_MUTEX_ON: mutex is required
 555  */
 556 enum mutex_type {
 557         TM_MUTEX_OFF = 0,
 558         TM_MUTEX_ON = 1,
 559 };
 560
 561 typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc);
 562 /**
 563  * struct MPT3SAS_ADAPTER - per adapter struct
 564  * @list: ioc_list
 565  * @shost: shost object
 566  * @id: unique adapter id
 567  * @cpu_count: number online cpus
 568  * @name: generic ioc string
 569  * @tmp_string: tmp string used for logging
 570  * @pdev: pci pdev object
 571  * @pio_chip: physical io register space
 572  * @chip: memory mapped register space
 573  * @chip_phys: physical addrss prior to mapping
 574  * @logging_level: see mpt3sas_debug.h
 575  * @fwfault_debug: debuging FW timeouts
 576  * @ir_firmware: IR firmware present
 577  * @bars: bitmask of BAR's that must be configured
 578  * @mask_interrupts: ignore interrupt
 579  * @fault_reset_work_q_name: fw fault work queue
 580  * @fault_reset_work_q: ""
 581  * @fault_reset_work: ""
 582  * @firmware_event_name: fw event work queue
 583  * @firmware_event_thread: ""
 584  * @fw_event_lock:
 585  * @fw_event_list: list of fw events
 586  * @aen_event_read_flag: event log was read
 587  * @broadcast_aen_busy: broadcast aen waiting to be serviced
 588  * @shost_recovery: host reset in progress
 589  * @ioc_reset_in_progress_lock:
 590  * @ioc_link_reset_in_progress: phy/hard reset in progress
 591  * @ignore_loginfos: ignore loginfos during task management
 592  * @remove_host: flag for when driver unloads, to avoid sending dev resets
 593  * @pci_error_recovery: flag to prevent ioc access until slot reset completes
 594  * @wait_for_discovery_to_complete: flag set at driver load time when
 595  *                                               waiting on reporting devices
 596  * @is_driver_loading: flag set at driver load time
 597  * @port_enable_failed: flag set when port enable has failed
 598  * @start_scan: flag set from scan_start callback, cleared from _mpt3sas_fw_work
 599  * @start_scan_failed: means port enable failed, return's the ioc_status
 600  * @msix_enable: flag indicating msix is enabled
 601  * @msix_vector_count: number msix vectors
 602  * @cpu_msix_table: table for mapping cpus to msix index
 603  * @cpu_msix_table_sz: table size
 604  * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
 605  * @scsi_io_cb_idx: shost generated commands
 606  * @tm_cb_idx: task management commands
 607  * @scsih_cb_idx: scsih internal commands
 608  * @transport_cb_idx: transport internal commands
 609  * @ctl_cb_idx: clt internal commands
 610  * @base_cb_idx: base internal commands
 611  * @config_cb_idx: base internal commands
 612  * @tm_tr_cb_idx : device removal target reset handshake
 613  * @tm_tr_volume_cb_idx : volume removal target reset
 614  * @base_cmds:
 615  * @transport_cmds:
 616  * @scsih_cmds:
 617  * @tm_cmds:
 618  * @ctl_cmds:
 619  * @config_cmds:
 620  * @base_add_sg_single: handler for either 32/64 bit sgl's
 621  * @event_type: bits indicating which events to log
 622  * @event_context: unique id for each logged event
 623  * @event_log: event log pointer
 624  * @event_masks: events that are masked
 625  * @facts: static facts data
 626  * @pfacts: static port facts data
 627  * @manu_pg0: static manufacturing page 0
 628  * @manu_pg10: static manufacturing page 10
 629  * @manu_pg11: static manufacturing page 11
 630  * @bios_pg2: static bios page 2
 631  * @bios_pg3: static bios page 3
 632  * @ioc_pg8: static ioc page 8
 633  * @iounit_pg0: static iounit page 0
 634  * @iounit_pg1: static iounit page 1
 635  * @sas_hba: sas host object
 636  * @sas_expander_list: expander object list
 637  * @sas_node_lock:
 638  * @sas_device_list: sas device object list
 639  * @sas_device_init_list: sas device object list (used only at init time)
 640  * @sas_device_lock:
 641  * @io_missing_delay: time for IO completed by fw when PDR enabled
 642  * @device_missing_delay: time for device missing by fw when PDR enabled
 643  * @sas_id : used for setting volume target IDs
 644  * @blocking_handles: bitmask used to identify which devices need blocking
 645  * @pd_handles : bitmask for PD handles
 646  * @pd_handles_sz : size of pd_handle bitmask
 647  * @config_page_sz: config page size
 648  * @config_page: reserve memory for config page payload
 649  * @config_page_dma:
 650  * @hba_queue_depth: hba request queue depth
 651  * @sge_size: sg element size for either 32/64 bit
 652  * @scsiio_depth: SCSI_IO queue depth
 653  * @request_sz: per request frame size
 654  * @request: pool of request frames
 655  * @request_dma:
 656  * @request_dma_sz:
 657  * @scsi_lookup: firmware request tracker list
 658  * @scsi_lookup_lock:
 659  * @free_list: free list of request
 660  * @pending_io_count:
 661  * @reset_wq:
 662  * @chain: pool of chains
 663  * @chain_dma:
 664  * @max_sges_in_main_message: number sg elements in main message
 665  * @max_sges_in_chain_message: number sg elements per chain
 666  * @chains_needed_per_io: max chains per io
 667  * @chain_depth: total chains allocated
 668  * @hi_priority_smid:
 669  * @hi_priority:
 670  * @hi_priority_dma:
 671  * @hi_priority_depth:
 672  * @hpr_lookup:
 673  * @hpr_free_list:
 674  * @internal_smid:
 675  * @internal:
 676  * @internal_dma:
 677  * @internal_depth:
 678  * @internal_lookup:
 679  * @internal_free_list:
 680  * @sense: pool of sense
 681  * @sense_dma:
 682  * @sense_dma_pool:
 683  * @reply_depth: hba reply queue depth:
 684  * @reply_sz: per reply frame size:
 685  * @reply: pool of replys:
 686  * @reply_dma:
 687  * @reply_dma_pool:
 688  * @reply_free_queue_depth: reply free depth
 689  * @reply_free: pool for reply free queue (32 bit addr)
 690  * @reply_free_dma:
 691  * @reply_free_dma_pool:
 692  * @reply_free_host_index: tail index in pool to insert free replys
 693  * @reply_post_queue_depth: reply post queue depth
 694  * @reply_post_free: pool for reply post (64bit descriptor)
 695  * @reply_post_free_dma:
 696  * @reply_queue_count: number of reply queue's
 697  * @reply_queue_list: link list contaning the reply queue info
 698  * @reply_post_host_index: head index in the pool where FW completes IO
 699  * @delayed_tr_list: target reset link list
 700  * @delayed_tr_volume_list: volume target reset link list
 701  */
 702 struct MPT3SAS_ADAPTER {
 703         struct list_head list;
 704         struct Scsi_Host *shost;
 705         u8              id;
 706         int             cpu_count;
 707         char            name[MPT_NAME_LENGTH];
 708         char            tmp_string[MPT_STRING_LENGTH];
 709         struct pci_dev  *pdev;
 710         Mpi2SystemInterfaceRegs_t __iomem *chip;
 711         resource_size_t chip_phys;
 712         int             logging_level;
 713         int             fwfault_debug;
 714         u8              ir_firmware;
 715         int             bars;
 716         u8              mask_interrupts;
 717
 718         /* fw fault handler */
 719         char            fault_reset_work_q_name[20];
 720         struct workqueue_struct *fault_reset_work_q;
 721         struct delayed_work fault_reset_work;
 722
 723         /* fw event handler */
 724         char            firmware_event_name[20];
 725         struct workqueue_struct *firmware_event_thread;
 726         spinlock_t      fw_event_lock;
 727         struct list_head fw_event_list;
 728
 729          /* misc flags */
 730         int             aen_event_read_flag;
 731         u8              broadcast_aen_busy;
 732         u16             broadcast_aen_pending;
 733         u8              shost_recovery;
 734
 735         struct mutex    reset_in_progress_mutex;
 736         spinlock_t      ioc_reset_in_progress_lock;
 737         u8              ioc_link_reset_in_progress;
 738         u8              ioc_reset_in_progress_status;
 739
 740         u8              ignore_loginfos;
 741         u8              remove_host;
 742         u8              pci_error_recovery;
 743         u8              wait_for_discovery_to_complete;
 744         u8              is_driver_loading;
 745         u8              port_enable_failed;
 746         u8              start_scan;
 747         u16             start_scan_failed;
 748
 749         u8              msix_enable;
 750         u16             msix_vector_count;
 751         u8              *cpu_msix_table;
 752         u16             cpu_msix_table_sz;
 753         u32             ioc_reset_count;
 754         MPT3SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
 755
 756         /* internal commands, callback index */
 757         u8              scsi_io_cb_idx;
 758         u8              tm_cb_idx;
 759         u8              transport_cb_idx;
 760         u8              scsih_cb_idx;
 761         u8              ctl_cb_idx;
 762         u8              base_cb_idx;
 763         u8              port_enable_cb_idx;
 764         u8              config_cb_idx;
 765         u8              tm_tr_cb_idx;
 766         u8              tm_tr_volume_cb_idx;
 767         u8              tm_sas_control_cb_idx;
 768         struct _internal_cmd base_cmds;
 769         struct _internal_cmd port_enable_cmds;
 770         struct _internal_cmd transport_cmds;
 771         struct _internal_cmd scsih_cmds;
 772         struct _internal_cmd tm_cmds;
 773         struct _internal_cmd ctl_cmds;
 774         struct _internal_cmd config_cmds;
 775
 776         MPT_ADD_SGE     base_add_sg_single;
 777
 778         /* function ptr for either IEEE or MPI sg elements */
 779         MPT_BUILD_SG_SCMD build_sg_scmd;
 780         MPT_BUILD_SG    build_sg;
 781         MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge;
 782         u8              mpi25;
 783         u16             sge_size_ieee;
 784
 785         /* function ptr for MPI sg elements only */
 786         MPT_BUILD_SG    build_sg_mpi;
 787         MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge_mpi;
 788
 789         /* event log */
 790         u32             event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
 791         u32             event_context;
 792         void            *event_log;
 793         u32             event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
 794
 795         /* static config pages */
 796         struct mpt3sas_facts facts;
 797         struct mpt3sas_port_facts *pfacts;
 798         Mpi2ManufacturingPage0_t manu_pg0;
 799         struct Mpi2ManufacturingPage10_t manu_pg10;
 800         struct Mpi2ManufacturingPage11_t manu_pg11;
 801         Mpi2BiosPage2_t bios_pg2;
 802         Mpi2BiosPage3_t bios_pg3;
 803         Mpi2IOCPage8_t ioc_pg8;
 804         Mpi2IOUnitPage0_t iounit_pg0;
 805         Mpi2IOUnitPage1_t iounit_pg1;
 806
 807         struct _boot_device req_boot_device;
 808         struct _boot_device req_alt_boot_device;
 809         struct _boot_device current_boot_device;
 810
 811         /* sas hba, expander, and device list */
 812         struct _sas_node sas_hba;
 813         struct list_head sas_expander_list;
 814         spinlock_t      sas_node_lock;
 815         struct list_head sas_device_list;
 816         struct list_head sas_device_init_list;
 817         spinlock_t      sas_device_lock;
 818         struct list_head raid_device_list;
 819         spinlock_t      raid_device_lock;
 820         u8              io_missing_delay;
 821         u16             device_missing_delay;
 822         int             sas_id;
 823
 824         void            *blocking_handles;
 825         void            *pd_handles;
 826         u16             pd_handles_sz;
 827
 828         /* config page */
 829         u16             config_page_sz;
 830         void            *config_page;
 831         dma_addr_t      config_page_dma;
 832
 833         /* scsiio request */
 834         u16             hba_queue_depth;
 835         u16             sge_size;
 836         u16             scsiio_depth;
 837         u16             request_sz;
 838         u8              *request;
 839         dma_addr_t      request_dma;
 840         u32             request_dma_sz;
 841         struct scsiio_tracker *scsi_lookup;
 842         ulong           scsi_lookup_pages;
 843         spinlock_t      scsi_lookup_lock;
 844         struct list_head free_list;
 845         int             pending_io_count;
 846         wait_queue_head_t reset_wq;
 847
 848         /* chain */
 849         struct chain_tracker *chain_lookup;
 850         struct list_head free_chain_list;
 851         struct dma_pool *chain_dma_pool;
 852         ulong           chain_pages;
 853         u16             max_sges_in_main_message;
 854         u16             max_sges_in_chain_message;
 855         u16             chains_needed_per_io;
 856         u32             chain_depth;
 857
 858         /* hi-priority queue */
 859         u16             hi_priority_smid;
 860         u8              *hi_priority;
 861         dma_addr_t      hi_priority_dma;
 862         u16             hi_priority_depth;
 863         struct request_tracker *hpr_lookup;
 864         struct list_head hpr_free_list;
 865
 866         /* internal queue */
 867         u16             internal_smid;
 868         u8              *internal;
 869         dma_addr_t      internal_dma;
 870         u16             internal_depth;
 871         struct request_tracker *internal_lookup;
 872         struct list_head internal_free_list;
 873
 874         /* sense */
 875         u8              *sense;
 876         dma_addr_t      sense_dma;
 877         struct dma_pool *sense_dma_pool;
 878
 879         /* reply */
 880         u16             reply_sz;
 881         u8              *reply;
 882         dma_addr_t      reply_dma;
 883         u32             reply_dma_max_address;
 884         u32             reply_dma_min_address;
 885         struct dma_pool *reply_dma_pool;
 886
 887         /* reply free queue */
 888         u16             reply_free_queue_depth;
 889         __le32          *reply_free;
 890         dma_addr_t      reply_free_dma;
 891         struct dma_pool *reply_free_dma_pool;
 892         u32             reply_free_host_index;
 893
 894         /* reply post queue */
 895         u16             reply_post_queue_depth;
 896         Mpi2ReplyDescriptorsUnion_t *reply_post_free;
 897         dma_addr_t      reply_post_free_dma;
 898         struct dma_pool *reply_post_free_dma_pool;
 899         u8              reply_queue_count;
 900         struct list_head reply_queue_list;
 901
 902         struct list_head delayed_tr_list;
 903         struct list_head delayed_tr_volume_list;
 904
 905         /* diag buffer support */
 906         u8              *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
 907         u32             diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
 908         dma_addr_t      diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
 909         u8              diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
 910         u32             unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
 911         u32             product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
 912         u32             diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
 913         u32             ring_buffer_offset;
 914         u32             ring_buffer_sz;
 915         spinlock_t      diag_trigger_lock;
 916         u8              diag_trigger_active;
 917         struct SL_WH_MASTER_TRIGGER_T diag_trigger_master;
 918         struct SL_WH_EVENT_TRIGGERS_T diag_trigger_event;
 919         struct SL_WH_SCSI_TRIGGERS_T diag_trigger_scsi;
 920         struct SL_WH_MPI_TRIGGERS_T diag_trigger_mpi;
 921 };
 922
 923 typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
 924         u32 reply);
 925
 926
 927 /* base shared API */
 928 extern struct list_head mpt3sas_ioc_list;
 929 void mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc);
 930 void mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc);
 931
 932 int mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc);
 933 void mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc);
 934 int mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc);
 935 void mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc);
 936 int mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc, int sleep_flag,
 937         enum reset_type type);
 938
 939 void *mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid);
 940 void *mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid);
 941 __le32 mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc,
 942         u16 smid);
 943 void mpt3sas_base_flush_reply_queues(struct MPT3SAS_ADAPTER *ioc);
 944
 945 /* hi-priority queue */
 946 u16 mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
 947 u16 mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx,
 948         struct scsi_cmnd *scmd);
 949
 950 u16 mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
 951 void mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid);
 952 void mpt3sas_base_put_smid_scsi_io(struct MPT3SAS_ADAPTER *ioc, u16 smid,
 953         u16 handle);
 954 void mpt3sas_base_put_smid_fast_path(struct MPT3SAS_ADAPTER *ioc, u16 smid,
 955         u16 handle);
 956 void mpt3sas_base_put_smid_hi_priority(struct MPT3SAS_ADAPTER *ioc, u16 smid);
 957 void mpt3sas_base_put_smid_default(struct MPT3SAS_ADAPTER *ioc, u16 smid);
 958 void mpt3sas_base_initialize_callback_handler(void);
 959 u8 mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func);
 960 void mpt3sas_base_release_callback_handler(u8 cb_idx);
 961
 962 u8 mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
 963         u32 reply);
 964 u8 mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid,
 965         u8 msix_index, u32 reply);
 966 void *mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc,
 967         u32 phys_addr);
 968
 969 u32 mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked);
 970
 971 void mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code);
 972 int mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc,
 973         Mpi2SasIoUnitControlReply_t *mpi_reply,
 974         Mpi2SasIoUnitControlRequest_t *mpi_request);
 975 int mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc,
 976         Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
 977
 978 void mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc,
 979         u32 *event_type);
 980
 981 void mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc);
 982
 983 void mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc,
 984         u16 device_missing_delay, u8 io_missing_delay);
 985
 986 int mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc);
 987
 988
 989 /* scsih shared API */
 990 u8 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
 991         u32 reply);
 992 void mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
 993
 994 int mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
 995         uint channel, uint id, uint lun, u8 type, u16 smid_task,
 996         ulong timeout, unsigned long serial_number,  enum mutex_type m_type);
 997 void mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
 998 void mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
 999 void mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1000 void mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1001         u64 sas_address);
1002
1003 struct _sas_node *mpt3sas_scsih_expander_find_by_handle(
1004         struct MPT3SAS_ADAPTER *ioc, u16 handle);
1005 struct _sas_node *mpt3sas_scsih_expander_find_by_sas_address(
1006         struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1007 struct _sas_device *mpt3sas_scsih_sas_device_find_by_sas_address(
1008         struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1009
1010 void mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc);
1011
1012 /* config shared API */
1013 u8 mpt3sas_config_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1014         u32 reply);
1015 int mpt3sas_config_get_number_hba_phys(struct MPT3SAS_ADAPTER *ioc,
1016         u8 *num_phys);
1017 int mpt3sas_config_get_manufacturing_pg0(struct MPT3SAS_ADAPTER *ioc,
1018         Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1019 int mpt3sas_config_get_manufacturing_pg7(struct MPT3SAS_ADAPTER *ioc,
1020         Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage7_t *config_page,
1021         u16 sz);
1022 int mpt3sas_config_get_manufacturing_pg10(struct MPT3SAS_ADAPTER *ioc,
1023         Mpi2ConfigReply_t *mpi_reply,
1024         struct Mpi2ManufacturingPage10_t *config_page);
1025
1026 int mpt3sas_config_get_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1027         Mpi2ConfigReply_t *mpi_reply,
1028         struct Mpi2ManufacturingPage11_t  *config_page);
1029 int mpt3sas_config_set_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1030         Mpi2ConfigReply_t *mpi_reply,
1031         struct Mpi2ManufacturingPage11_t *config_page);
1032
1033 int mpt3sas_config_get_bios_pg2(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1034         *mpi_reply, Mpi2BiosPage2_t *config_page);
1035 int mpt3sas_config_get_bios_pg3(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1036         *mpi_reply, Mpi2BiosPage3_t *config_page);
1037 int mpt3sas_config_get_iounit_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1038         *mpi_reply, Mpi2IOUnitPage0_t *config_page);
1039 int mpt3sas_config_get_sas_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1040         Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage0_t *config_page,
1041         u32 form, u32 handle);
1042 int mpt3sas_config_get_sas_device_pg1(struct MPT3SAS_ADAPTER *ioc,
1043         Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage1_t *config_page,
1044         u32 form, u32 handle);
1045 int mpt3sas_config_get_sas_iounit_pg0(struct MPT3SAS_ADAPTER *ioc,
1046         Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage0_t *config_page,
1047         u16 sz);
1048 int mpt3sas_config_get_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1049         *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1050 int mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1051         *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1052 int mpt3sas_config_get_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1053         Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1054         u16 sz);
1055 int mpt3sas_config_set_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1056         Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1057         u16 sz);
1058 int mpt3sas_config_get_ioc_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1059         *mpi_reply, Mpi2IOCPage8_t *config_page);
1060 int mpt3sas_config_get_expander_pg0(struct MPT3SAS_ADAPTER *ioc,
1061         Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage0_t *config_page,
1062         u32 form, u32 handle);
1063 int mpt3sas_config_get_expander_pg1(struct MPT3SAS_ADAPTER *ioc,
1064         Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage1_t *config_page,
1065         u32 phy_number, u16 handle);
1066 int mpt3sas_config_get_enclosure_pg0(struct MPT3SAS_ADAPTER *ioc,
1067         Mpi2ConfigReply_t *mpi_reply, Mpi2SasEnclosurePage0_t *config_page,
1068         u32 form, u32 handle);
1069 int mpt3sas_config_get_phy_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1070         *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1071 int mpt3sas_config_get_phy_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1072         *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1073 int mpt3sas_config_get_raid_volume_pg1(struct MPT3SAS_ADAPTER *ioc,
1074         Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
1075         u32 handle);
1076 int mpt3sas_config_get_number_pds(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1077         u8 *num_pds);
1078 int mpt3sas_config_get_raid_volume_pg0(struct MPT3SAS_ADAPTER *ioc,
1079         Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form,
1080         u32 handle, u16 sz);
1081 int mpt3sas_config_get_phys_disk_pg0(struct MPT3SAS_ADAPTER *ioc,
1082         Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
1083         u32 form, u32 form_specific);
1084 int mpt3sas_config_get_volume_handle(struct MPT3SAS_ADAPTER *ioc, u16 pd_handle,
1085         u16 *volume_handle);
1086 int mpt3sas_config_get_volume_wwid(struct MPT3SAS_ADAPTER *ioc,
1087         u16 volume_handle, u64 *wwid);
1088
1089 /* ctl shared API */
1090 extern struct device_attribute *mpt3sas_host_attrs[];
1091 extern struct device_attribute *mpt3sas_dev_attrs[];
1092 void mpt3sas_ctl_init(void);
1093 void mpt3sas_ctl_exit(void);
1094 u8 mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1095         u32 reply);
1096 void mpt3sas_ctl_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
1097 u8 mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc,
1098         u8 msix_index, u32 reply);
1099 void mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc,
1100         Mpi2EventNotificationReply_t *mpi_reply);
1101
1102 void mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc,
1103         u8 bits_to_regsiter);
1104 int mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type,
1105         u8 *issue_reset);
1106
1107 /* transport shared API */
1108 u8 mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1109         u32 reply);
1110 struct _sas_port *mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc,
1111         u16 handle, u64 sas_address);
1112 void mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1113         u64 sas_address_parent);
1114 int mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy
1115         *mpt3sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1116 int mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER *ioc,
1117         struct _sas_phy *mpt3sas_phy, Mpi2ExpanderPage1_t expander_pg1,
1118         struct device *parent_dev);
1119 void mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc,
1120         u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
1121 extern struct sas_function_template mpt3sas_transport_functions;
1122 extern struct scsi_transport_template *mpt3sas_transport_template;
1123 extern int scsi_internal_device_block(struct scsi_device *sdev);
1124 extern int scsi_internal_device_unblock(struct scsi_device *sdev,
1125                                 enum scsi_device_state new_state);
1126 /* trigger data externs */
1127 void mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
1128         struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1129 void mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc,
1130         struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1131 void mpt3sas_trigger_master(struct MPT3SAS_ADAPTER *ioc,
1132         u32 tigger_bitmask);
1133 void mpt3sas_trigger_event(struct MPT3SAS_ADAPTER *ioc, u16 event,
1134         u16 log_entry_qualifier);
1135 void mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key,
1136         u8 asc, u8 ascq);
1137 void mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status,
1138         u32 loginfo);
1139 #endif /* MPT3SAS_BASE_H_INCLUDED */