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) 2007-2013  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 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          "16.100.00.00"
  73 #define MPT2SAS_MAJOR_VERSION           16
  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_RMS25JB080_BRANDING    \
 161                                 "Intel(R) Integrated RAID Module RMS25JB080"
 162 #define MPT2SAS_INTEL_RMS25JB040_BRANDING    \
 163                                 "Intel(R) Integrated RAID Module RMS25JB040"
 164 #define MPT2SAS_INTEL_RMS25KB080_BRANDING    \
 165                                 "Intel(R) Integrated RAID Module RMS25KB080"
 166 #define MPT2SAS_INTEL_RMS25KB040_BRANDING    \
 167                                 "Intel(R) Integrated RAID Module RMS25KB040"
 168 #define MPT2SAS_INTEL_RMS25LB040_BRANDING       \
 169                                 "Intel(R) Integrated RAID Module RMS25LB040"
 170 #define MPT2SAS_INTEL_RMS25LB080_BRANDING       \
 171                                 "Intel(R) Integrated RAID Module RMS25LB080"
 172 #define MPT2SAS_INTEL_RMS2LL080_BRANDING        \
 173                                 "Intel Integrated RAID Module RMS2LL080"
 174 #define MPT2SAS_INTEL_RMS2LL040_BRANDING        \
 175                                 "Intel Integrated RAID Module RMS2LL040"
 176 #define MPT2SAS_INTEL_RS25GB008_BRANDING       \
 177                                 "Intel(R) RAID Controller RS25GB008"
 178 #define MPT2SAS_INTEL_SSD910_BRANDING          \
 179                                 "Intel(R) SSD 910 Series"
 180 /*
 181  * Intel HBA SSDIDs
 182  */
 183 #define MPT2SAS_INTEL_RMS25JB080_SSDID         0x3516
 184 #define MPT2SAS_INTEL_RMS25JB040_SSDID         0x3517
 185 #define MPT2SAS_INTEL_RMS25KB080_SSDID         0x3518
 186 #define MPT2SAS_INTEL_RMS25KB040_SSDID         0x3519
 187 #define MPT2SAS_INTEL_RMS25LB040_SSDID         0x351A
 188 #define MPT2SAS_INTEL_RMS25LB080_SSDID         0x351B
 189 #define MPT2SAS_INTEL_RMS2LL080_SSDID          0x350E
 190 #define MPT2SAS_INTEL_RMS2LL040_SSDID          0x350F
 191 #define MPT2SAS_INTEL_RS25GB008_SSDID          0x3000
 192 #define MPT2SAS_INTEL_SSD910_SSDID             0x3700
 193
 194 /*
 195  * HP HBA branding
 196  */
 197 #define MPT2SAS_HP_3PAR_SSVID                0x1590
 198 #define MPT2SAS_HP_2_4_INTERNAL_BRANDING        "HP H220 Host Bus Adapter"
 199 #define MPT2SAS_HP_2_4_EXTERNAL_BRANDING        "HP H221 Host Bus Adapter"
 200 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING "HP H222 Host Bus Adapter"
 201 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING    "HP H220i Host Bus Adapter"
 202 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING    "HP H210i Host Bus Adapter"
 203
 204 /*
 205  * HO HBA SSDIDs
 206  */
 207 #define MPT2SAS_HP_2_4_INTERNAL_SSDID            0x0041
 208 #define MPT2SAS_HP_2_4_EXTERNAL_SSDID            0x0042
 209 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID    0x0043
 210 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID        0x0044
 211 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID        0x0046
 212
 213 /*
 214  *  WarpDrive Specific Log codes
 215  */
 216
 217 #define MPT2_WARPDRIVE_LOGENTRY         (0x8002)
 218 #define MPT2_WARPDRIVE_LC_SSDT          (0x41)
 219 #define MPT2_WARPDRIVE_LC_SSDLW         (0x43)
 220 #define MPT2_WARPDRIVE_LC_SSDLF         (0x44)
 221 #define MPT2_WARPDRIVE_LC_BRMF          (0x4D)
 222
 223 /*
 224  * per target private data
 225  */
 226 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
 227 #define MPT_TARGET_FLAGS_VOLUME         0x02
 228 #define MPT_TARGET_FLAGS_DELETED        0x04
 229
 230 /**
 231  * struct MPT2SAS_TARGET - starget private hostdata
 232  * @starget: starget object
 233  * @sas_address: target sas address
 234  * @raid_device: raid_device pointer to access volume data
 235  * @handle: device handle
 236  * @num_luns: number luns
 237  * @flags: MPT_TARGET_FLAGS_XXX flags
 238  * @deleted: target flaged for deletion
 239  * @tm_busy: target is busy with TM request.
 240  */
 241 struct MPT2SAS_TARGET {
 242         struct scsi_target *starget;
 243         u64     sas_address;
 244         struct _raid_device *raid_device;
 245         u16     handle;
 246         int     num_luns;
 247         u32     flags;
 248         u8      deleted;
 249         u8      tm_busy;
 250 };
 251
 252
 253 /*
 254  * per device private data
 255  */
 256 #define MPT_DEVICE_FLAGS_INIT           0x01
 257 #define MPT_DEVICE_TLR_ON               0x02
 258
 259 /**
 260  * struct MPT2SAS_DEVICE - sdev private hostdata
 261  * @sas_target: starget private hostdata
 262  * @lun: lun number
 263  * @flags: MPT_DEVICE_XXX flags
 264  * @configured_lun: lun is configured
 265  * @block: device is in SDEV_BLOCK state
 266  * @tlr_snoop_check: flag used in determining whether to disable TLR
 267  */
 268
 269 /* OEM Identifiers */
 270 #define MFG10_OEM_ID_INVALID                   (0x00000000)
 271 #define MFG10_OEM_ID_DELL                      (0x00000001)
 272 #define MFG10_OEM_ID_FSC                       (0x00000002)
 273 #define MFG10_OEM_ID_SUN                       (0x00000003)
 274 #define MFG10_OEM_ID_IBM                       (0x00000004)
 275
 276 /* GENERIC Flags 0*/
 277 #define MFG10_GF0_OCE_DISABLED                 (0x00000001)
 278 #define MFG10_GF0_R1E_DRIVE_COUNT              (0x00000002)
 279 #define MFG10_GF0_R10_DISPLAY                  (0x00000004)
 280 #define MFG10_GF0_SSD_DATA_SCRUB_DISABLE       (0x00000008)
 281 #define MFG10_GF0_SINGLE_DRIVE_R0              (0x00000010)
 282
 283 /* OEM Specific Flags will come from OEM specific header files */
 284 typedef struct _MPI2_CONFIG_PAGE_MAN_10 {
 285     MPI2_CONFIG_PAGE_HEADER Header;                                 /* 00h */
 286     U8                      OEMIdentifier;                          /* 04h */
 287     U8                      Reserved1;                              /* 05h */
 288     U16                     Reserved2;                              /* 08h */
 289     U32                     Reserved3;                              /* 0Ch */
 290     U32                     GenericFlags0;                          /* 10h */
 291     U32                     GenericFlags1;                          /* 14h */
 292     U32                     Reserved4;                              /* 18h */
 293     U32                     OEMSpecificFlags0;                      /* 1Ch */
 294     U32                     OEMSpecificFlags1;                      /* 20h */
 295     U32                     Reserved5[18];                          /* 24h-60h*/
 296 } MPI2_CONFIG_PAGE_MAN_10,
 297   MPI2_POINTER PTR_MPI2_CONFIG_PAGE_MAN_10,
 298   Mpi2ManufacturingPage10_t, MPI2_POINTER pMpi2ManufacturingPage10_t;
 299
 300 #define MFG_PAGE10_HIDE_SSDS_MASK       (0x00000003)
 301 #define MFG_PAGE10_HIDE_ALL_DISKS       (0x00)
 302 #define MFG_PAGE10_EXPOSE_ALL_DISKS     (0x01)
 303 #define MFG_PAGE10_HIDE_IF_VOL_PRESENT  (0x02)
 304
 305
 306 struct MPT2SAS_DEVICE {
 307         struct MPT2SAS_TARGET *sas_target;
 308         unsigned int    lun;
 309         u32     flags;
 310         u8      configured_lun;
 311         u8      block;
 312         u8      tlr_snoop_check;
 313 };
 314
 315 #define MPT2_CMD_NOT_USED       0x8000  /* free */
 316 #define MPT2_CMD_COMPLETE       0x0001  /* completed */
 317 #define MPT2_CMD_PENDING        0x0002  /* pending */
 318 #define MPT2_CMD_REPLY_VALID    0x0004  /* reply is valid */
 319 #define MPT2_CMD_RESET          0x0008  /* host reset dropped the command */
 320
 321 /**
 322  * struct _internal_cmd - internal commands struct
 323  * @mutex: mutex
 324  * @done: completion
 325  * @reply: reply message pointer
 326  * @sense: sense data
 327  * @status: MPT2_CMD_XXX status
 328  * @smid: system message id
 329  */
 330 struct _internal_cmd {
 331         struct mutex mutex;
 332         struct completion done;
 333         void    *reply;
 334         void    *sense;
 335         u16     status;
 336         u16     smid;
 337 };
 338
 339
 340 /**
 341  * struct _sas_device - attached device information
 342  * @list: sas device list
 343  * @starget: starget object
 344  * @sas_address: device sas address
 345  * @device_name: retrieved from the SAS IDENTIFY frame.
 346  * @handle: device handle
 347  * @sas_address_parent: sas address of parent expander or sas host
 348  * @enclosure_handle: enclosure handle
 349  * @enclosure_logical_id: enclosure logical identifier
 350  * @volume_handle: volume handle (valid when hidden raid member)
 351  * @volume_wwid: volume unique identifier
 352  * @device_info: bitfield provides detailed info about the device
 353  * @id: target id
 354  * @channel: target channel
 355  * @slot: number number
 356  * @phy: phy identifier provided in sas device page 0
 357  * @responding: used in _scsih_sas_device_mark_responding
 358  */
 359 struct _sas_device {
 360         struct list_head list;
 361         struct scsi_target *starget;
 362         u64     sas_address;
 363         u64     device_name;
 364         u16     handle;
 365         u64     sas_address_parent;
 366         u16     enclosure_handle;
 367         u64     enclosure_logical_id;
 368         u16     volume_handle;
 369         u64     volume_wwid;
 370         u32     device_info;
 371         int     id;
 372         int     channel;
 373         u16     slot;
 374         u8      phy;
 375         u8      responding;
 376 };
 377
 378 /**
 379  * struct _raid_device - raid volume link list
 380  * @list: sas device list
 381  * @starget: starget object
 382  * @sdev: scsi device struct (volumes are single lun)
 383  * @wwid: unique identifier for the volume
 384  * @handle: device handle
 385  * @block_size: Block size of the volume
 386  * @id: target id
 387  * @channel: target channel
 388  * @volume_type: the raid level
 389  * @device_info: bitfield provides detailed info about the hidden components
 390  * @num_pds: number of hidden raid components
 391  * @responding: used in _scsih_raid_device_mark_responding
 392  * @percent_complete: resync percent complete
 393  * @direct_io_enabled: Whether direct io to PDs are allowed or not
 394  * @stripe_exponent: X where 2powX is the stripe sz in blocks
 395  * @block_exponent: X where 2powX is the block sz in bytes
 396  * @max_lba: Maximum number of LBA in the volume
 397  * @stripe_sz: Stripe Size of the volume
 398  * @device_info: Device info of the volume member disk
 399  * @pd_handle: Array of handles of the physical drives for direct I/O in le16
 400  */
 401 #define MPT_MAX_WARPDRIVE_PDS           8
 402 struct _raid_device {
 403         struct list_head list;
 404         struct scsi_target *starget;
 405         struct scsi_device *sdev;
 406         u64     wwid;
 407         u16     handle;
 408         u16     block_sz;
 409         int     id;
 410         int     channel;
 411         u8      volume_type;
 412         u8      num_pds;
 413         u8      responding;
 414         u8      percent_complete;
 415         u8      direct_io_enabled;
 416         u8      stripe_exponent;
 417         u8      block_exponent;
 418         u64     max_lba;
 419         u32     stripe_sz;
 420         u32     device_info;
 421         u16     pd_handle[MPT_MAX_WARPDRIVE_PDS];
 422 };
 423
 424 /**
 425  * struct _boot_device - boot device info
 426  * @is_raid: flag to indicate whether this is volume
 427  * @device: holds pointer for either struct _sas_device or
 428  *     struct _raid_device
 429  */
 430 struct _boot_device {
 431         u8 is_raid;
 432         void *device;
 433 };
 434
 435 /**
 436  * struct _sas_port - wide/narrow sas port information
 437  * @port_list: list of ports belonging to expander
 438  * @num_phys: number of phys belonging to this port
 439  * @remote_identify: attached device identification
 440  * @rphy: sas transport rphy object
 441  * @port: sas transport wide/narrow port object
 442  * @phy_list: _sas_phy list objects belonging to this port
 443  */
 444 struct _sas_port {
 445         struct list_head port_list;
 446         u8      num_phys;
 447         struct sas_identify remote_identify;
 448         struct sas_rphy *rphy;
 449         struct sas_port *port;
 450         struct list_head phy_list;
 451 };
 452
 453 /**
 454  * struct _sas_phy - phy information
 455  * @port_siblings: list of phys belonging to a port
 456  * @identify: phy identification
 457  * @remote_identify: attached device identification
 458  * @phy: sas transport phy object
 459  * @phy_id: unique phy id
 460  * @handle: device handle for this phy
 461  * @attached_handle: device handle for attached device
 462  * @phy_belongs_to_port: port has been created for this phy
 463  */
 464 struct _sas_phy {
 465         struct list_head port_siblings;
 466         struct sas_identify identify;
 467         struct sas_identify remote_identify;
 468         struct sas_phy *phy;
 469         u8      phy_id;
 470         u16     handle;
 471         u16     attached_handle;
 472         u8      phy_belongs_to_port;
 473 };
 474
 475 /**
 476  * struct _sas_node - sas_host/expander information
 477  * @list: list of expanders
 478  * @parent_dev: parent device class
 479  * @num_phys: number phys belonging to this sas_host/expander
 480  * @sas_address: sas address of this sas_host/expander
 481  * @handle: handle for this sas_host/expander
 482  * @sas_address_parent: sas address of parent expander or sas host
 483  * @enclosure_handle: handle for this a member of an enclosure
 484  * @device_info: bitwise defining capabilities of this sas_host/expander
 485  * @responding: used in _scsih_expander_device_mark_responding
 486  * @phy: a list of phys that make up this sas_host/expander
 487  * @sas_port_list: list of ports attached to this sas_host/expander
 488  */
 489 struct _sas_node {
 490         struct list_head list;
 491         struct device *parent_dev;
 492         u8      num_phys;
 493         u64     sas_address;
 494         u16     handle;
 495         u64     sas_address_parent;
 496         u16     enclosure_handle;
 497         u64     enclosure_logical_id;
 498         u8      responding;
 499         struct  _sas_phy *phy;
 500         struct list_head sas_port_list;
 501 };
 502
 503 /**
 504  * enum reset_type - reset state
 505  * @FORCE_BIG_HAMMER: issue diagnostic reset
 506  * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
 507  */
 508 enum reset_type {
 509         FORCE_BIG_HAMMER,
 510         SOFT_RESET,
 511 };
 512
 513 /**
 514  * struct chain_tracker - firmware chain tracker
 515  * @chain_buffer: chain buffer
 516  * @chain_buffer_dma: physical address
 517  * @tracker_list: list of free request (ioc->free_chain_list)
 518  */
 519 struct chain_tracker {
 520         void *chain_buffer;
 521         dma_addr_t chain_buffer_dma;
 522         struct list_head tracker_list;
 523 };
 524
 525 /**
 526  * struct scsiio_tracker - scsi mf request tracker
 527  * @smid: system message id
 528  * @scmd: scsi request pointer
 529  * @cb_idx: callback index
 530  * @direct_io: To indicate whether I/O is direct (WARPDRIVE)
 531  * @chain_list: list of chains associated to this IO
 532  * @tracker_list: list of free request (ioc->free_list)
 533  */
 534 struct scsiio_tracker {
 535         u16     smid;
 536         struct scsi_cmnd *scmd;
 537         u8      cb_idx;
 538         u8      direct_io;
 539         struct list_head chain_list;
 540         struct list_head tracker_list;
 541 };
 542
 543 /**
 544  * struct request_tracker - firmware request tracker
 545  * @smid: system message id
 546  * @cb_idx: callback index
 547  * @tracker_list: list of free request (ioc->free_list)
 548  */
 549 struct request_tracker {
 550         u16     smid;
 551         u8      cb_idx;
 552         struct list_head tracker_list;
 553 };
 554
 555 /**
 556  * struct _tr_list - target reset list
 557  * @handle: device handle
 558  * @state: state machine
 559  */
 560 struct _tr_list {
 561         struct list_head list;
 562         u16     handle;
 563         u16     state;
 564 };
 565
 566 typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
 567
 568 /**
 569  * struct adapter_reply_queue - the reply queue struct
 570  * @ioc: per adapter object
 571  * @msix_index: msix index into vector table
 572  * @vector: irq vector
 573  * @reply_post_host_index: head index in the pool where FW completes IO
 574  * @reply_post_free: reply post base virt address
 575  * @name: the name registered to request_irq()
 576  * @busy: isr is actively processing replies on another cpu
 577  * @list: this list
 578 */
 579 struct adapter_reply_queue {
 580         struct MPT2SAS_ADAPTER  *ioc;
 581         u8                      msix_index;
 582         unsigned int            vector;
 583         u32                     reply_post_host_index;
 584         Mpi2ReplyDescriptorsUnion_t *reply_post_free;
 585         char                    name[MPT_NAME_LENGTH];
 586         atomic_t                busy;
 587         struct list_head        list;
 588 };
 589
 590 /* IOC Facts and Port Facts converted from little endian to cpu */
 591 union mpi2_version_union {
 592         MPI2_VERSION_STRUCT             Struct;
 593         u32                             Word;
 594 };
 595
 596 struct mpt2sas_facts {
 597         u16                     MsgVersion;
 598         u16                     HeaderVersion;
 599         u8                      IOCNumber;
 600         u8                      VP_ID;
 601         u8                      VF_ID;
 602         u16                     IOCExceptions;
 603         u16                     IOCStatus;
 604         u32                     IOCLogInfo;
 605         u8                      MaxChainDepth;
 606         u8                      WhoInit;
 607         u8                      NumberOfPorts;
 608         u8                      MaxMSIxVectors;
 609         u16                     RequestCredit;
 610         u16                     ProductID;
 611         u32                     IOCCapabilities;
 612         union mpi2_version_union        FWVersion;
 613         u16                     IOCRequestFrameSize;
 614         u16                     Reserved3;
 615         u16                     MaxInitiators;
 616         u16                     MaxTargets;
 617         u16                     MaxSasExpanders;
 618         u16                     MaxEnclosures;
 619         u16                     ProtocolFlags;
 620         u16                     HighPriorityCredit;
 621         u16                     MaxReplyDescriptorPostQueueDepth;
 622         u8                      ReplyFrameSize;
 623         u8                      MaxVolumes;
 624         u16                     MaxDevHandle;
 625         u16                     MaxPersistentEntries;
 626         u16                     MinDevHandle;
 627 };
 628
 629 struct mpt2sas_port_facts {
 630         u8                      PortNumber;
 631         u8                      VP_ID;
 632         u8                      VF_ID;
 633         u8                      PortType;
 634         u16                     MaxPostedCmdBuffers;
 635 };
 636
 637 /**
 638  * enum mutex_type - task management mutex type
 639  * @TM_MUTEX_OFF: mutex is not required becuase calling function is acquiring it
 640  * @TM_MUTEX_ON: mutex is required
 641  */
 642 enum mutex_type {
 643         TM_MUTEX_OFF = 0,
 644         TM_MUTEX_ON = 1,
 645 };
 646
 647 typedef void (*MPT2SAS_FLUSH_RUNNING_CMDS)(struct MPT2SAS_ADAPTER *ioc);
 648 /**
 649  * struct MPT2SAS_ADAPTER - per adapter struct
 650  * @list: ioc_list
 651  * @shost: shost object
 652  * @id: unique adapter id
 653  * @cpu_count: number online cpus
 654  * @name: generic ioc string
 655  * @tmp_string: tmp string used for logging
 656  * @pdev: pci pdev object
 657  * @chip: memory mapped register space
 658  * @chip_phys: physical addrss prior to mapping
 659  * @logging_level: see mpt2sas_debug.h
 660  * @fwfault_debug: debuging FW timeouts
 661  * @ir_firmware: IR firmware present
 662  * @bars: bitmask of BAR's that must be configured
 663  * @mask_interrupts: ignore interrupt
 664  * @fault_reset_work_q_name: fw fault work queue
 665  * @fault_reset_work_q: ""
 666  * @fault_reset_work: ""
 667  * @firmware_event_name: fw event work queue
 668  * @firmware_event_thread: ""
 669  * @fw_events_off: flag to turn off fw event handling
 670  * @fw_event_lock:
 671  * @fw_event_list: list of fw events
 672  * @aen_event_read_flag: event log was read
 673  * @broadcast_aen_busy: broadcast aen waiting to be serviced
 674  * @shost_recovery: host reset in progress
 675  * @ioc_reset_in_progress_lock:
 676  * @ioc_link_reset_in_progress: phy/hard reset in progress
 677  * @ignore_loginfos: ignore loginfos during task management
 678  * @remove_host: flag for when driver unloads, to avoid sending dev resets
 679  * @pci_error_recovery: flag to prevent ioc access until slot reset completes
 680  * @wait_for_discovery_to_complete: flag set at driver load time when
 681  *                                               waiting on reporting devices
 682  * @is_driver_loading: flag set at driver load time
 683  * @port_enable_failed: flag set when port enable has failed
 684  * @start_scan: flag set from scan_start callback, cleared from _mpt2sas_fw_work
 685  * @start_scan_failed: means port enable failed, return's the ioc_status
 686  * @msix_enable: flag indicating msix is enabled
 687  * @msix_vector_count: number msix vectors
 688  * @cpu_msix_table: table for mapping cpus to msix index
 689  * @cpu_msix_table_sz: table size
 690  * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
 691  * @scsi_io_cb_idx: shost generated commands
 692  * @tm_cb_idx: task management commands
 693  * @scsih_cb_idx: scsih internal commands
 694  * @transport_cb_idx: transport internal commands
 695  * @ctl_cb_idx: clt internal commands
 696  * @base_cb_idx: base internal commands
 697  * @config_cb_idx: base internal commands
 698  * @tm_tr_cb_idx : device removal target reset handshake
 699  * @tm_tr_volume_cb_idx : volume removal target reset
 700  * @base_cmds:
 701  * @transport_cmds:
 702  * @scsih_cmds:
 703  * @tm_cmds:
 704  * @ctl_cmds:
 705  * @config_cmds:
 706  * @base_add_sg_single: handler for either 32/64 bit sgl's
 707  * @event_type: bits indicating which events to log
 708  * @event_context: unique id for each logged event
 709  * @event_log: event log pointer
 710  * @event_masks: events that are masked
 711  * @facts: static facts data
 712  * @pfacts: static port facts data
 713  * @manu_pg0: static manufacturing page 0
 714  * @manu_pg10: static manufacturing page 10
 715  * @bios_pg2: static bios page 2
 716  * @bios_pg3: static bios page 3
 717  * @ioc_pg8: static ioc page 8
 718  * @iounit_pg0: static iounit page 0
 719  * @iounit_pg1: static iounit page 1
 720  * @sas_hba: sas host object
 721  * @sas_expander_list: expander object list
 722  * @sas_node_lock:
 723  * @sas_device_list: sas device object list
 724  * @sas_device_init_list: sas device object list (used only at init time)
 725  * @sas_device_lock:
 726  * @io_missing_delay: time for IO completed by fw when PDR enabled
 727  * @device_missing_delay: time for device missing by fw when PDR enabled
 728  * @sas_id : used for setting volume target IDs
 729  * @blocking_handles: bitmask used to identify which devices need blocking
 730  * @pd_handles : bitmask for PD handles
 731  * @pd_handles_sz : size of pd_handle bitmask
 732  * @config_page_sz: config page size
 733  * @config_page: reserve memory for config page payload
 734  * @config_page_dma:
 735  * @hba_queue_depth: hba request queue depth
 736  * @sge_size: sg element size for either 32/64 bit
 737  * @scsiio_depth: SCSI_IO queue depth
 738  * @request_sz: per request frame size
 739  * @request: pool of request frames
 740  * @request_dma:
 741  * @request_dma_sz:
 742  * @scsi_lookup: firmware request tracker list
 743  * @scsi_lookup_lock:
 744  * @free_list: free list of request
 745  * @chain: pool of chains
 746  * @pending_io_count:
 747  * @reset_wq:
 748  * @chain_dma:
 749  * @max_sges_in_main_message: number sg elements in main message
 750  * @max_sges_in_chain_message: number sg elements per chain
 751  * @chains_needed_per_io: max chains per io
 752  * @chain_offset_value_for_main_message: location 1st sg in main
 753  * @chain_depth: total chains allocated
 754  * @hi_priority_smid:
 755  * @hi_priority:
 756  * @hi_priority_dma:
 757  * @hi_priority_depth:
 758  * @hpr_lookup:
 759  * @hpr_free_list:
 760  * @internal_smid:
 761  * @internal:
 762  * @internal_dma:
 763  * @internal_depth:
 764  * @internal_lookup:
 765  * @internal_free_list:
 766  * @sense: pool of sense
 767  * @sense_dma:
 768  * @sense_dma_pool:
 769  * @reply_depth: hba reply queue depth:
 770  * @reply_sz: per reply frame size:
 771  * @reply: pool of replys:
 772  * @reply_dma:
 773  * @reply_dma_pool:
 774  * @reply_free_queue_depth: reply free depth
 775  * @reply_free: pool for reply free queue (32 bit addr)
 776  * @reply_free_dma:
 777  * @reply_free_dma_pool:
 778  * @reply_free_host_index: tail index in pool to insert free replys
 779  * @reply_post_queue_depth: reply post queue depth
 780  * @reply_post_free: pool for reply post (64bit descriptor)
 781  * @reply_post_free_dma:
 782  * @reply_queue_count: number of reply queue's
 783  * @reply_queue_list: link list contaning the reply queue info
 784  * @reply_post_host_index: head index in the pool where FW completes IO
 785  * @delayed_tr_list: target reset link list
 786  * @delayed_tr_volume_list: volume target reset link list
 787  */
 788 struct MPT2SAS_ADAPTER {
 789         struct list_head list;
 790         struct Scsi_Host *shost;
 791         u8              id;
 792         int             cpu_count;
 793         char            name[MPT_NAME_LENGTH];
 794         char            tmp_string[MPT_STRING_LENGTH];
 795         struct pci_dev  *pdev;
 796         Mpi2SystemInterfaceRegs_t __iomem *chip;
 797         resource_size_t chip_phys;
 798         int             logging_level;
 799         int             fwfault_debug;
 800         u8              ir_firmware;
 801         int             bars;
 802         u8              mask_interrupts;
 803
 804         /* fw fault handler */
 805         char            fault_reset_work_q_name[20];
 806         struct workqueue_struct *fault_reset_work_q;
 807         struct delayed_work fault_reset_work;
 808
 809         /* fw event handler */
 810         char            firmware_event_name[20];
 811         struct workqueue_struct *firmware_event_thread;
 812         spinlock_t      fw_event_lock;
 813         struct list_head fw_event_list;
 814
 815          /* misc flags */
 816         int             aen_event_read_flag;
 817         u8              broadcast_aen_busy;
 818         u16             broadcast_aen_pending;
 819         u8              shost_recovery;
 820
 821         struct mutex    reset_in_progress_mutex;
 822         spinlock_t      ioc_reset_in_progress_lock;
 823         u8              ioc_link_reset_in_progress;
 824         u8              ioc_reset_in_progress_status;
 825
 826         u8              ignore_loginfos;
 827         u8              remove_host;
 828         u8              pci_error_recovery;
 829         u8              wait_for_discovery_to_complete;
 830         struct completion       port_enable_done;
 831         u8              is_driver_loading;
 832         u8              port_enable_failed;
 833
 834         u8              start_scan;
 835         u16             start_scan_failed;
 836
 837         u8              msix_enable;
 838         u16             msix_vector_count;
 839         u8              *cpu_msix_table;
 840         resource_size_t **reply_post_host_index;
 841         u16             cpu_msix_table_sz;
 842         u32             ioc_reset_count;
 843         MPT2SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
 844         u32             non_operational_loop;
 845
 846         /* internal commands, callback index */
 847         u8              scsi_io_cb_idx;
 848         u8              tm_cb_idx;
 849         u8              transport_cb_idx;
 850         u8              scsih_cb_idx;
 851         u8              ctl_cb_idx;
 852         u8              base_cb_idx;
 853         u8              port_enable_cb_idx;
 854         u8              config_cb_idx;
 855         u8              tm_tr_cb_idx;
 856         u8              tm_tr_volume_cb_idx;
 857         u8              tm_sas_control_cb_idx;
 858         struct _internal_cmd base_cmds;
 859         struct _internal_cmd port_enable_cmds;
 860         struct _internal_cmd transport_cmds;
 861         struct _internal_cmd scsih_cmds;
 862         struct _internal_cmd tm_cmds;
 863         struct _internal_cmd ctl_cmds;
 864         struct _internal_cmd config_cmds;
 865
 866         MPT_ADD_SGE     base_add_sg_single;
 867
 868         /* event log */
 869         u32             event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
 870         u32             event_context;
 871         void            *event_log;
 872         u32             event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
 873
 874         /* static config pages */
 875         struct mpt2sas_facts facts;
 876         struct mpt2sas_port_facts *pfacts;
 877         Mpi2ManufacturingPage0_t manu_pg0;
 878         Mpi2BiosPage2_t bios_pg2;
 879         Mpi2BiosPage3_t bios_pg3;
 880         Mpi2IOCPage8_t ioc_pg8;
 881         Mpi2IOUnitPage0_t iounit_pg0;
 882         Mpi2IOUnitPage1_t iounit_pg1;
 883
 884         struct _boot_device req_boot_device;
 885         struct _boot_device req_alt_boot_device;
 886         struct _boot_device current_boot_device;
 887
 888         /* sas hba, expander, and device list */
 889         struct _sas_node sas_hba;
 890         struct list_head sas_expander_list;
 891         spinlock_t      sas_node_lock;
 892         struct list_head sas_device_list;
 893         struct list_head sas_device_init_list;
 894         spinlock_t      sas_device_lock;
 895         struct list_head raid_device_list;
 896         spinlock_t      raid_device_lock;
 897         u8              io_missing_delay;
 898         u16             device_missing_delay;
 899         int             sas_id;
 900         void            *blocking_handles;
 901         void            *pd_handles;
 902         u16             pd_handles_sz;
 903
 904         /* config page */
 905         u16             config_page_sz;
 906         void            *config_page;
 907         dma_addr_t      config_page_dma;
 908
 909         /* scsiio request */
 910         u16             hba_queue_depth;
 911         u16             sge_size;
 912         u16             scsiio_depth;
 913         u16             request_sz;
 914         u8              *request;
 915         dma_addr_t      request_dma;
 916         u32             request_dma_sz;
 917         struct scsiio_tracker *scsi_lookup;
 918         ulong           scsi_lookup_pages;
 919         spinlock_t      scsi_lookup_lock;
 920         struct list_head free_list;
 921         int             pending_io_count;
 922         wait_queue_head_t reset_wq;
 923
 924         /* chain */
 925         struct chain_tracker *chain_lookup;
 926         struct list_head free_chain_list;
 927         struct dma_pool *chain_dma_pool;
 928         ulong           chain_pages;
 929         u16             max_sges_in_main_message;
 930         u16             max_sges_in_chain_message;
 931         u16             chains_needed_per_io;
 932         u16             chain_offset_value_for_main_message;
 933         u32             chain_depth;
 934
 935         /* hi-priority queue */
 936         u16             hi_priority_smid;
 937         u8              *hi_priority;
 938         dma_addr_t      hi_priority_dma;
 939         u16             hi_priority_depth;
 940         struct request_tracker *hpr_lookup;
 941         struct list_head hpr_free_list;
 942
 943         /* internal queue */
 944         u16             internal_smid;
 945         u8              *internal;
 946         dma_addr_t      internal_dma;
 947         u16             internal_depth;
 948         struct request_tracker *internal_lookup;
 949         struct list_head internal_free_list;
 950
 951         /* sense */
 952         u8              *sense;
 953         dma_addr_t      sense_dma;
 954         struct dma_pool *sense_dma_pool;
 955
 956         /* reply */
 957         u16             reply_sz;
 958         u8              *reply;
 959         dma_addr_t      reply_dma;
 960         u32             reply_dma_max_address;
 961         u32             reply_dma_min_address;
 962         struct dma_pool *reply_dma_pool;
 963
 964         /* reply free queue */
 965         u16             reply_free_queue_depth;
 966         __le32          *reply_free;
 967         dma_addr_t      reply_free_dma;
 968         struct dma_pool *reply_free_dma_pool;
 969         u32             reply_free_host_index;
 970
 971         /* reply post queue */
 972         u16             reply_post_queue_depth;
 973         Mpi2ReplyDescriptorsUnion_t *reply_post_free;
 974         dma_addr_t      reply_post_free_dma;
 975         struct dma_pool *reply_post_free_dma_pool;
 976         u8              reply_queue_count;
 977         struct list_head reply_queue_list;
 978
 979         struct list_head delayed_tr_list;
 980         struct list_head delayed_tr_volume_list;
 981
 982         /* diag buffer support */
 983         u8              *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
 984         u32             diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
 985         dma_addr_t      diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
 986         u8              diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
 987         u32             unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
 988         Mpi2ManufacturingPage10_t manu_pg10;
 989         u32             product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
 990         u32             diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
 991         u32             ring_buffer_offset;
 992         u32             ring_buffer_sz;
 993         u8              is_warpdrive;
 994         u8              hide_ir_msg;
 995         u8              mfg_pg10_hide_flag;
 996         u8              hide_drives;
 997
 998 };
 999
1000 typedef u8 (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1001     u32 reply);
1002
1003
1004 /* base shared API */
1005 extern struct list_head mpt2sas_ioc_list;
1006 void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc);
1007 void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc);
1008
1009 int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
1010 void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);
1011 int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc);
1012 void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc);
1013 int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
1014     enum reset_type type);
1015
1016 void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1017 void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1018 void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr);
1019 __le32 mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc,
1020     u16 smid);
1021 void mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc);
1022
1023 /* hi-priority queue */
1024 u16 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
1025 u16 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx,
1026     struct scsi_cmnd *scmd);
1027
1028 u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
1029 void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1030 void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid,
1031     u16 handle);
1032 void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1033 void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
1034     u16 io_index);
1035 void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1036 void mpt2sas_base_initialize_callback_handler(void);
1037 u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func);
1038 void mpt2sas_base_release_callback_handler(u8 cb_idx);
1039
1040 u8 mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1041     u32 reply);
1042 u8 mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid,
1043         u8 msix_index,  u32 reply);
1044 void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr);
1045
1046 u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked);
1047
1048 void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code);
1049 int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
1050     Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t
1051     *mpi_request);
1052 int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
1053     Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
1054 void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type);
1055
1056 void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc);
1057
1058 void mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
1059         u16 device_missing_delay, u8 io_missing_delay);
1060
1061 int mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc);
1062
1063 /* scsih shared API */
1064 void mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
1065     u32 reply);
1066 int mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle,
1067         uint channel, uint id, uint lun, u8 type, u16 smid_task,
1068         ulong timeout, unsigned long serial_number, enum mutex_type m_type);
1069 void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
1070 void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
1071 void mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
1072 void mpt2sas_device_remove_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
1073                 u64 sas_address);
1074 struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc,
1075     u16 handle);
1076 struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
1077     *ioc, u64 sas_address);
1078 struct _sas_device *mpt2sas_scsih_sas_device_find_by_sas_address(
1079     struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
1080
1081 void mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER *ioc);
1082
1083 void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
1084
1085 /* config shared API */
1086 u8 mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1087     u32 reply);
1088 int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys);
1089 int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
1090     Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1091 int mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
1092     Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page);
1093 int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1094     *mpi_reply, Mpi2BiosPage2_t *config_page);
1095 int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1096     *mpi_reply, Mpi2BiosPage3_t *config_page);
1097 int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1098     *mpi_reply, Mpi2IOUnitPage0_t *config_page);
1099 int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1100     *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle);
1101 int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1102     *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle);
1103 int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1104     *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz);
1105 int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1106     *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1107 int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1108     *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1109 int mpt2sas_config_get_iounit_pg3(struct MPT2SAS_ADAPTER *ioc,
1110         Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
1111 int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1112     *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
1113 int mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
1114     Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
1115 int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1116     *mpi_reply, Mpi2IOCPage8_t *config_page);
1117 int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1118     *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle);
1119 int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1120     *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle);
1121 int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1122     *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle);
1123 int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1124     *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1125 int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1126     *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1127 int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1128     *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle);
1129 int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds);
1130 int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1131     *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz);
1132 int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1133     *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
1134     u32 form_specific);
1135 int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
1136     u16 *volume_handle);
1137 int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
1138     u64 *wwid);
1139 /* ctl shared API */
1140 extern struct device_attribute *mpt2sas_host_attrs[];
1141 extern struct device_attribute *mpt2sas_dev_attrs[];
1142 void mpt2sas_ctl_init(void);
1143 void mpt2sas_ctl_exit(void);
1144 u8 mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1145     u32 reply);
1146 void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
1147 void mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
1148     u32 reply);
1149 void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
1150     Mpi2EventNotificationReply_t *mpi_reply);
1151
1152 void mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc,
1153         u8 bits_to_regsiter);
1154
1155 /* transport shared API */
1156 u8 mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1157     u32 reply);
1158 struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc,
1159      u16 handle, u64 sas_address);
1160 void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
1161      u64 sas_address_parent);
1162 int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
1163     *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1164 int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
1165     *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev);
1166 void mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
1167      u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
1168 extern struct sas_function_template mpt2sas_transport_functions;
1169 extern struct scsi_transport_template *mpt2sas_transport_template;
1170 extern int scsi_internal_device_block(struct scsi_device *sdev);
1171 extern u8 mpt2sas_stm_zero_smid_handler(struct MPT2SAS_ADAPTER *ioc,
1172     u8 msix_index, u32 reply);
1173 extern int scsi_internal_device_unblock(struct scsi_device *sdev,
1174                                         enum scsi_device_state new_state);
1175
1176 #endif /* MPT2SAS_BASE_H_INCLUDED */