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) 2007-2014  LSI Corporation
   7  * Copyright (C) 20013-2014 Avago Technologies
   8  *  (mailto: MPT-FusionLinux.pdl@avagotech.com)
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License
  12  * as published by the Free Software Foundation; either version 2
  13  * of the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * NO WARRANTY
  21  * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
  22  * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
  23  * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
  24  * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
  25  * solely responsible for determining the appropriateness of using and
  26  * distributing the Program and assumes all risks associated with its
  27  * exercise of rights under this Agreement, including but not limited to
  28  * the risks and costs of program errors, damage to or loss of data,
  29  * programs or equipment, and unavailability or interruption of operations.
  30
  31  * DISCLAIMER OF LIABILITY
  32  * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
  33  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  34  * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
  35  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  36  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  37  * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
  38  * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
  39
  40  * You should have received a copy of the GNU General Public License
  41  * along with this program; if not, write to the Free Software
  42  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
  43  * USA.
  44  */
  45
  46 #ifndef MPT2SAS_BASE_H_INCLUDED
  47 #define MPT2SAS_BASE_H_INCLUDED
  48
  49 #include "mpi/mpi2_type.h"
  50 #include "mpi/mpi2.h"
  51 #include "mpi/mpi2_ioc.h"
  52 #include "mpi/mpi2_cnfg.h"
  53 #include "mpi/mpi2_init.h"
  54 #include "mpi/mpi2_raid.h"
  55 #include "mpi/mpi2_tool.h"
  56 #include "mpi/mpi2_sas.h"
  57
  58 #include <scsi/scsi.h>
  59 #include <scsi/scsi_cmnd.h>
  60 #include <scsi/scsi_device.h>
  61 #include <scsi/scsi_host.h>
  62 #include <scsi/scsi_tcq.h>
  63 #include <scsi/scsi_transport_sas.h>
  64 #include <scsi/scsi_dbg.h>
  65 #include <scsi/scsi_eh.h>
  66
  67 #include "mpt2sas_debug.h"
  68
  69 /* driver versioning info */
  70 #define MPT2SAS_DRIVER_NAME             "mpt2sas"
  71 #define MPT2SAS_AUTHOR "Avago Technologies <MPT-FusionLinux.pdl@avagotech.com>"
  72 #define MPT2SAS_DESCRIPTION     "LSI MPT Fusion SAS 2.0 Device Driver"
  73 #define MPT2SAS_DRIVER_VERSION          "20.100.00.00"
  74 #define MPT2SAS_MAJOR_VERSION           20
  75 #define MPT2SAS_MINOR_VERSION           100
  76 #define MPT2SAS_BUILD_VERSION           00
  77 #define MPT2SAS_RELEASE_VERSION         00
  78
  79 /*
  80  * Set MPT2SAS_SG_DEPTH value based on user input.
  81  */
  82 #ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
  83 #if     CONFIG_SCSI_MPT2SAS_MAX_SGE  < 16
  84 #define MPT2SAS_SG_DEPTH       16
  85 #elif CONFIG_SCSI_MPT2SAS_MAX_SGE  > 128
  86 #define MPT2SAS_SG_DEPTH       128
  87 #else
  88 #define MPT2SAS_SG_DEPTH       CONFIG_SCSI_MPT2SAS_MAX_SGE
  89 #endif
  90 #else
  91 #define MPT2SAS_SG_DEPTH       128 /* MAX_HW_SEGMENTS */
  92 #endif
  93
  94
  95 /*
  96  * Generic Defines
  97  */
  98 #define MPT2SAS_SATA_QUEUE_DEPTH        32
  99 #define MPT2SAS_SAS_QUEUE_DEPTH         254
 100 #define MPT2SAS_RAID_QUEUE_DEPTH        128
 101
 102 #define MPT_NAME_LENGTH                 32      /* generic length of strings */
 103 #define MPT_STRING_LENGTH               64
 104
 105 #define MPT_MAX_CALLBACKS               16
 106
 107
 108 #define  CAN_SLEEP                      1
 109 #define  NO_SLEEP                       0
 110
 111 #define INTERNAL_CMDS_COUNT             10      /* reserved cmds */
 112
 113 #define MPI2_HIM_MASK                   0xFFFFFFFF /* mask every bit*/
 114
 115 #define MPT2SAS_INVALID_DEVICE_HANDLE   0xFFFF
 116
 117
 118 /*
 119  * reset phases
 120  */
 121 #define MPT2_IOC_PRE_RESET              1 /* prior to host reset */
 122 #define MPT2_IOC_AFTER_RESET            2 /* just after host reset */
 123 #define MPT2_IOC_DONE_RESET             3 /* links re-initialized */
 124
 125 /*
 126  * logging format
 127  */
 128 #define MPT2SAS_FMT                     "%s: "
 129 #define MPT2SAS_INFO_FMT                KERN_INFO MPT2SAS_FMT
 130 #define MPT2SAS_NOTE_FMT                KERN_NOTICE MPT2SAS_FMT
 131 #define MPT2SAS_WARN_FMT                KERN_WARNING MPT2SAS_FMT
 132 #define MPT2SAS_ERR_FMT                 KERN_ERR MPT2SAS_FMT
 133
 134 /*
 135  * Dell HBA branding
 136  */
 137 #define MPT2SAS_DELL_BRANDING_SIZE                 32
 138
 139 #define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING        "Dell 6Gbps SAS HBA"
 140 #define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING    "Dell PERC H200 Adapter"
 141 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
 142 #define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING    "Dell PERC H200 Modular"
 143 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING   "Dell PERC H200 Embedded"
 144 #define MPT2SAS_DELL_PERC_H200_BRANDING            "Dell PERC H200"
 145 #define MPT2SAS_DELL_6GBPS_SAS_BRANDING            "Dell 6Gbps SAS"
 146
 147 /*
 148  * Dell HBA SSDIDs
 149  */
 150 #define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID           0x1F1C
 151 #define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID       0x1F1D
 152 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID    0x1F1E
 153 #define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID       0x1F1F
 154 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID      0x1F20
 155 #define MPT2SAS_DELL_PERC_H200_SSDID               0x1F21
 156 #define MPT2SAS_DELL_6GBPS_SAS_SSDID               0x1F22
 157
 158 /*
 159  * Intel HBA branding
 160  */
 161 #define MPT2SAS_INTEL_RMS25JB080_BRANDING    \
 162                                 "Intel(R) Integrated RAID Module RMS25JB080"
 163 #define MPT2SAS_INTEL_RMS25JB040_BRANDING    \
 164                                 "Intel(R) Integrated RAID Module RMS25JB040"
 165 #define MPT2SAS_INTEL_RMS25KB080_BRANDING    \
 166                                 "Intel(R) Integrated RAID Module RMS25KB080"
 167 #define MPT2SAS_INTEL_RMS25KB040_BRANDING    \
 168                                 "Intel(R) Integrated RAID Module RMS25KB040"
 169 #define MPT2SAS_INTEL_RMS25LB040_BRANDING       \
 170                                 "Intel(R) Integrated RAID Module RMS25LB040"
 171 #define MPT2SAS_INTEL_RMS25LB080_BRANDING       \
 172                                 "Intel(R) Integrated RAID Module RMS25LB080"
 173 #define MPT2SAS_INTEL_RMS2LL080_BRANDING        \
 174                                 "Intel Integrated RAID Module RMS2LL080"
 175 #define MPT2SAS_INTEL_RMS2LL040_BRANDING        \
 176                                 "Intel Integrated RAID Module RMS2LL040"
 177 #define MPT2SAS_INTEL_RS25GB008_BRANDING       \
 178                                 "Intel(R) RAID Controller RS25GB008"
 179 #define MPT2SAS_INTEL_SSD910_BRANDING          \
 180                                 "Intel(R) SSD 910 Series"
 181 /*
 182  * Intel HBA SSDIDs
 183  */
 184 #define MPT2SAS_INTEL_RMS25JB080_SSDID         0x3516
 185 #define MPT2SAS_INTEL_RMS25JB040_SSDID         0x3517
 186 #define MPT2SAS_INTEL_RMS25KB080_SSDID         0x3518
 187 #define MPT2SAS_INTEL_RMS25KB040_SSDID         0x3519
 188 #define MPT2SAS_INTEL_RMS25LB040_SSDID         0x351A
 189 #define MPT2SAS_INTEL_RMS25LB080_SSDID         0x351B
 190 #define MPT2SAS_INTEL_RMS2LL080_SSDID          0x350E
 191 #define MPT2SAS_INTEL_RMS2LL040_SSDID          0x350F
 192 #define MPT2SAS_INTEL_RS25GB008_SSDID          0x3000
 193 #define MPT2SAS_INTEL_SSD910_SSDID             0x3700
 194
 195 /*
 196  * HP HBA branding
 197  */
 198 #define MPT2SAS_HP_3PAR_SSVID                0x1590
 199 #define MPT2SAS_HP_2_4_INTERNAL_BRANDING        "HP H220 Host Bus Adapter"
 200 #define MPT2SAS_HP_2_4_EXTERNAL_BRANDING        "HP H221 Host Bus Adapter"
 201 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING "HP H222 Host Bus Adapter"
 202 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING    "HP H220i Host Bus Adapter"
 203 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING    "HP H210i Host Bus Adapter"
 204
 205 /*
 206  * HO HBA SSDIDs
 207  */
 208 #define MPT2SAS_HP_2_4_INTERNAL_SSDID            0x0041
 209 #define MPT2SAS_HP_2_4_EXTERNAL_SSDID            0x0042
 210 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID    0x0043
 211 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID        0x0044
 212 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID        0x0046
 213
 214 /*
 215  *  WarpDrive Specific Log codes
 216  */
 217
 218 #define MPT2_WARPDRIVE_LOGENTRY         (0x8002)
 219 #define MPT2_WARPDRIVE_LC_SSDT          (0x41)
 220 #define MPT2_WARPDRIVE_LC_SSDLW         (0x43)
 221 #define MPT2_WARPDRIVE_LC_SSDLF         (0x44)
 222 #define MPT2_WARPDRIVE_LC_BRMF          (0x4D)
 223
 224 /*
 225  * per target private data
 226  */
 227 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
 228 #define MPT_TARGET_FLAGS_VOLUME         0x02
 229 #define MPT_TARGET_FLAGS_DELETED        0x04
 230
 231 /**
 232  * struct MPT2SAS_TARGET - starget private hostdata
 233  * @starget: starget object
 234  * @sas_address: target sas address
 235  * @raid_device: raid_device pointer to access volume data
 236  * @handle: device handle
 237  * @num_luns: number luns
 238  * @flags: MPT_TARGET_FLAGS_XXX flags
 239  * @deleted: target flaged for deletion
 240  * @tm_busy: target is busy with TM request.
 241  * @sdev: The sas_device associated with this target
 242  */
 243 struct MPT2SAS_TARGET {
 244         struct scsi_target *starget;
 245         u64     sas_address;
 246         struct _raid_device *raid_device;
 247         u16     handle;
 248         int     num_luns;
 249         u32     flags;
 250         u8      deleted;
 251         u8      tm_busy;
 252         struct _sas_device *sdev;
 253 };
 254
 255
 256 /*
 257  * per device private data
 258  */
 259 #define MPT_DEVICE_FLAGS_INIT           0x01
 260 #define MPT_DEVICE_TLR_ON               0x02
 261
 262 /**
 263  * struct MPT2SAS_DEVICE - sdev private hostdata
 264  * @sas_target: starget private hostdata
 265  * @lun: lun number
 266  * @flags: MPT_DEVICE_XXX flags
 267  * @configured_lun: lun is configured
 268  * @block: device is in SDEV_BLOCK state
 269  * @tlr_snoop_check: flag used in determining whether to disable TLR
 270  */
 271
 272 /* OEM Identifiers */
 273 #define MFG10_OEM_ID_INVALID                   (0x00000000)
 274 #define MFG10_OEM_ID_DELL                      (0x00000001)
 275 #define MFG10_OEM_ID_FSC                       (0x00000002)
 276 #define MFG10_OEM_ID_SUN                       (0x00000003)
 277 #define MFG10_OEM_ID_IBM                       (0x00000004)
 278
 279 /* GENERIC Flags 0*/
 280 #define MFG10_GF0_OCE_DISABLED                 (0x00000001)
 281 #define MFG10_GF0_R1E_DRIVE_COUNT              (0x00000002)
 282 #define MFG10_GF0_R10_DISPLAY                  (0x00000004)
 283 #define MFG10_GF0_SSD_DATA_SCRUB_DISABLE       (0x00000008)
 284 #define MFG10_GF0_SINGLE_DRIVE_R0              (0x00000010)
 285
 286 /* OEM Specific Flags will come from OEM specific header files */
 287 typedef struct _MPI2_CONFIG_PAGE_MAN_10 {
 288     MPI2_CONFIG_PAGE_HEADER Header;                                 /* 00h */
 289     U8                      OEMIdentifier;                          /* 04h */
 290     U8                      Reserved1;                              /* 05h */
 291     U16                     Reserved2;                              /* 08h */
 292     U32                     Reserved3;                              /* 0Ch */
 293     U32                     GenericFlags0;                          /* 10h */
 294     U32                     GenericFlags1;                          /* 14h */
 295     U32                     Reserved4;                              /* 18h */
 296     U32                     OEMSpecificFlags0;                      /* 1Ch */
 297     U32                     OEMSpecificFlags1;                      /* 20h */
 298     U32                     Reserved5[18];                          /* 24h-60h*/
 299 } MPI2_CONFIG_PAGE_MAN_10,
 300   MPI2_POINTER PTR_MPI2_CONFIG_PAGE_MAN_10,
 301   Mpi2ManufacturingPage10_t, MPI2_POINTER pMpi2ManufacturingPage10_t;
 302
 303 #define MFG_PAGE10_HIDE_SSDS_MASK       (0x00000003)
 304 #define MFG_PAGE10_HIDE_ALL_DISKS       (0x00)
 305 #define MFG_PAGE10_EXPOSE_ALL_DISKS     (0x01)
 306 #define MFG_PAGE10_HIDE_IF_VOL_PRESENT  (0x02)
 307
 308
 309 struct MPT2SAS_DEVICE {
 310         struct MPT2SAS_TARGET *sas_target;
 311         unsigned int    lun;
 312         u32     flags;
 313         u8      configured_lun;
 314         u8      block;
 315         u8      tlr_snoop_check;
 316 };
 317
 318 #define MPT2_CMD_NOT_USED       0x8000  /* free */
 319 #define MPT2_CMD_COMPLETE       0x0001  /* completed */
 320 #define MPT2_CMD_PENDING        0x0002  /* pending */
 321 #define MPT2_CMD_REPLY_VALID    0x0004  /* reply is valid */
 322 #define MPT2_CMD_RESET          0x0008  /* host reset dropped the command */
 323
 324 /**
 325  * struct _internal_cmd - internal commands struct
 326  * @mutex: mutex
 327  * @done: completion
 328  * @reply: reply message pointer
 329  * @sense: sense data
 330  * @status: MPT2_CMD_XXX status
 331  * @smid: system message id
 332  */
 333 struct _internal_cmd {
 334         struct mutex mutex;
 335         struct completion done;
 336         void    *reply;
 337         void    *sense;
 338         u16     status;
 339         u16     smid;
 340 };
 341
 342
 343 /**
 344  * struct _sas_device - attached device information
 345  * @list: sas device list
 346  * @starget: starget object
 347  * @sas_address: device sas address
 348  * @device_name: retrieved from the SAS IDENTIFY frame.
 349  * @handle: device handle
 350  * @sas_address_parent: sas address of parent expander or sas host
 351  * @enclosure_handle: enclosure handle
 352  * @enclosure_logical_id: enclosure logical identifier
 353  * @volume_handle: volume handle (valid when hidden raid member)
 354  * @volume_wwid: volume unique identifier
 355  * @device_info: bitfield provides detailed info about the device
 356  * @id: target id
 357  * @channel: target channel
 358  * @slot: number number
 359  * @phy: phy identifier provided in sas device page 0
 360  * @responding: used in _scsih_sas_device_mark_responding
 361  * @pfa_led_on: flag for PFA LED status
 362  */
 363 struct _sas_device {
 364         struct list_head list;
 365         struct scsi_target *starget;
 366         u64     sas_address;
 367         u64     device_name;
 368         u16     handle;
 369         u64     sas_address_parent;
 370         u16     enclosure_handle;
 371         u64     enclosure_logical_id;
 372         u16     volume_handle;
 373         u64     volume_wwid;
 374         u32     device_info;
 375         int     id;
 376         int     channel;
 377         u16     slot;
 378         u8      phy;
 379         u8      responding;
 380         u8      pfa_led_on;
 381         struct kref refcount;
 382 };
 383
 384 static inline void sas_device_get(struct _sas_device *s)
 385 {
 386         kref_get(&s->refcount);
 387 }
 388
 389 static inline void sas_device_free(struct kref *r)
 390 {
 391         kfree(container_of(r, struct _sas_device, refcount));
 392 }
 393
 394 static inline void sas_device_put(struct _sas_device *s)
 395 {
 396         kref_put(&s->refcount, sas_device_free);
 397 }
 398
 399 /**
 400  * struct _raid_device - raid volume link list
 401  * @list: sas device list
 402  * @starget: starget object
 403  * @sdev: scsi device struct (volumes are single lun)
 404  * @wwid: unique identifier for the volume
 405  * @handle: device handle
 406  * @block_size: Block size of the volume
 407  * @id: target id
 408  * @channel: target channel
 409  * @volume_type: the raid level
 410  * @device_info: bitfield provides detailed info about the hidden components
 411  * @num_pds: number of hidden raid components
 412  * @responding: used in _scsih_raid_device_mark_responding
 413  * @percent_complete: resync percent complete
 414  * @direct_io_enabled: Whether direct io to PDs are allowed or not
 415  * @stripe_exponent: X where 2powX is the stripe sz in blocks
 416  * @block_exponent: X where 2powX is the block sz in bytes
 417  * @max_lba: Maximum number of LBA in the volume
 418  * @stripe_sz: Stripe Size of the volume
 419  * @device_info: Device info of the volume member disk
 420  * @pd_handle: Array of handles of the physical drives for direct I/O in le16
 421  */
 422 #define MPT_MAX_WARPDRIVE_PDS           8
 423 struct _raid_device {
 424         struct list_head list;
 425         struct scsi_target *starget;
 426         struct scsi_device *sdev;
 427         u64     wwid;
 428         u16     handle;
 429         u16     block_sz;
 430         int     id;
 431         int     channel;
 432         u8      volume_type;
 433         u8      num_pds;
 434         u8      responding;
 435         u8      percent_complete;
 436         u8      direct_io_enabled;
 437         u8      stripe_exponent;
 438         u8      block_exponent;
 439         u64     max_lba;
 440         u32     stripe_sz;
 441         u32     device_info;
 442         u16     pd_handle[MPT_MAX_WARPDRIVE_PDS];
 443 };
 444
 445 /**
 446  * struct _boot_device - boot device info
 447  * @is_raid: flag to indicate whether this is volume
 448  * @device: holds pointer for either struct _sas_device or
 449  *     struct _raid_device
 450  */
 451 struct _boot_device {
 452         u8 is_raid;
 453         void *device;
 454 };
 455
 456 /**
 457  * struct _sas_port - wide/narrow sas port information
 458  * @port_list: list of ports belonging to expander
 459  * @num_phys: number of phys belonging to this port
 460  * @remote_identify: attached device identification
 461  * @rphy: sas transport rphy object
 462  * @port: sas transport wide/narrow port object
 463  * @phy_list: _sas_phy list objects belonging to this port
 464  */
 465 struct _sas_port {
 466         struct list_head port_list;
 467         u8      num_phys;
 468         struct sas_identify remote_identify;
 469         struct sas_rphy *rphy;
 470         struct sas_port *port;
 471         struct list_head phy_list;
 472 };
 473
 474 /**
 475  * struct _sas_phy - phy information
 476  * @port_siblings: list of phys belonging to a port
 477  * @identify: phy identification
 478  * @remote_identify: attached device identification
 479  * @phy: sas transport phy object
 480  * @phy_id: unique phy id
 481  * @handle: device handle for this phy
 482  * @attached_handle: device handle for attached device
 483  * @phy_belongs_to_port: port has been created for this phy
 484  */
 485 struct _sas_phy {
 486         struct list_head port_siblings;
 487         struct sas_identify identify;
 488         struct sas_identify remote_identify;
 489         struct sas_phy *phy;
 490         u8      phy_id;
 491         u16     handle;
 492         u16     attached_handle;
 493         u8      phy_belongs_to_port;
 494 };
 495
 496 /**
 497  * struct _sas_node - sas_host/expander information
 498  * @list: list of expanders
 499  * @parent_dev: parent device class
 500  * @num_phys: number phys belonging to this sas_host/expander
 501  * @sas_address: sas address of this sas_host/expander
 502  * @handle: handle for this sas_host/expander
 503  * @sas_address_parent: sas address of parent expander or sas host
 504  * @enclosure_handle: handle for this a member of an enclosure
 505  * @device_info: bitwise defining capabilities of this sas_host/expander
 506  * @responding: used in _scsih_expander_device_mark_responding
 507  * @phy: a list of phys that make up this sas_host/expander
 508  * @sas_port_list: list of ports attached to this sas_host/expander
 509  */
 510 struct _sas_node {
 511         struct list_head list;
 512         struct device *parent_dev;
 513         u8      num_phys;
 514         u64     sas_address;
 515         u16     handle;
 516         u64     sas_address_parent;
 517         u16     enclosure_handle;
 518         u64     enclosure_logical_id;
 519         u8      responding;
 520         struct  _sas_phy *phy;
 521         struct list_head sas_port_list;
 522 };
 523
 524 /**
 525  * enum reset_type - reset state
 526  * @FORCE_BIG_HAMMER: issue diagnostic reset
 527  * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
 528  */
 529 enum reset_type {
 530         FORCE_BIG_HAMMER,
 531         SOFT_RESET,
 532 };
 533
 534 /**
 535  * struct chain_tracker - firmware chain tracker
 536  * @chain_buffer: chain buffer
 537  * @chain_buffer_dma: physical address
 538  * @tracker_list: list of free request (ioc->free_chain_list)
 539  */
 540 struct chain_tracker {
 541         void *chain_buffer;
 542         dma_addr_t chain_buffer_dma;
 543         struct list_head tracker_list;
 544 };
 545
 546 /**
 547  * struct scsiio_tracker - scsi mf request tracker
 548  * @smid: system message id
 549  * @scmd: scsi request pointer
 550  * @cb_idx: callback index
 551  * @direct_io: To indicate whether I/O is direct (WARPDRIVE)
 552  * @chain_list: list of chains associated to this IO
 553  * @tracker_list: list of free request (ioc->free_list)
 554  */
 555 struct scsiio_tracker {
 556         u16     smid;
 557         struct scsi_cmnd *scmd;
 558         u8      cb_idx;
 559         u8      direct_io;
 560         struct list_head chain_list;
 561         struct list_head tracker_list;
 562 };
 563
 564 /**
 565  * struct request_tracker - firmware request tracker
 566  * @smid: system message id
 567  * @cb_idx: callback index
 568  * @tracker_list: list of free request (ioc->free_list)
 569  */
 570 struct request_tracker {
 571         u16     smid;
 572         u8      cb_idx;
 573         struct list_head tracker_list;
 574 };
 575
 576 /**
 577  * struct _tr_list - target reset list
 578  * @handle: device handle
 579  * @state: state machine
 580  */
 581 struct _tr_list {
 582         struct list_head list;
 583         u16     handle;
 584         u16     state;
 585 };
 586
 587 typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
 588
 589 /**
 590  * struct adapter_reply_queue - the reply queue struct
 591  * @ioc: per adapter object
 592  * @msix_index: msix index into vector table
 593  * @vector: irq vector
 594  * @reply_post_host_index: head index in the pool where FW completes IO
 595  * @reply_post_free: reply post base virt address
 596  * @name: the name registered to request_irq()
 597  * @busy: isr is actively processing replies on another cpu
 598  * @list: this list
 599 */
 600 struct adapter_reply_queue {
 601         struct MPT2SAS_ADAPTER  *ioc;
 602         u8                      msix_index;
 603         unsigned int            vector;
 604         u32                     reply_post_host_index;
 605         Mpi2ReplyDescriptorsUnion_t *reply_post_free;
 606         char                    name[MPT_NAME_LENGTH];
 607         atomic_t                busy;
 608         cpumask_var_t           affinity_hint;
 609         struct list_head        list;
 610 };
 611
 612 /* IOC Facts and Port Facts converted from little endian to cpu */
 613 union mpi2_version_union {
 614         MPI2_VERSION_STRUCT             Struct;
 615         u32                             Word;
 616 };
 617
 618 struct mpt2sas_facts {
 619         u16                     MsgVersion;
 620         u16                     HeaderVersion;
 621         u8                      IOCNumber;
 622         u8                      VP_ID;
 623         u8                      VF_ID;
 624         u16                     IOCExceptions;
 625         u16                     IOCStatus;
 626         u32                     IOCLogInfo;
 627         u8                      MaxChainDepth;
 628         u8                      WhoInit;
 629         u8                      NumberOfPorts;
 630         u8                      MaxMSIxVectors;
 631         u16                     RequestCredit;
 632         u16                     ProductID;
 633         u32                     IOCCapabilities;
 634         union mpi2_version_union        FWVersion;
 635         u16                     IOCRequestFrameSize;
 636         u16                     Reserved3;
 637         u16                     MaxInitiators;
 638         u16                     MaxTargets;
 639         u16                     MaxSasExpanders;
 640         u16                     MaxEnclosures;
 641         u16                     ProtocolFlags;
 642         u16                     HighPriorityCredit;
 643         u16                     MaxReplyDescriptorPostQueueDepth;
 644         u8                      ReplyFrameSize;
 645         u8                      MaxVolumes;
 646         u16                     MaxDevHandle;
 647         u16                     MaxPersistentEntries;
 648         u16                     MinDevHandle;
 649 };
 650
 651 struct mpt2sas_port_facts {
 652         u8                      PortNumber;
 653         u8                      VP_ID;
 654         u8                      VF_ID;
 655         u8                      PortType;
 656         u16                     MaxPostedCmdBuffers;
 657 };
 658
 659 struct reply_post_struct {
 660         Mpi2ReplyDescriptorsUnion_t     *reply_post_free;
 661         dma_addr_t                      reply_post_free_dma;
 662 };
 663
 664 /**
 665  * enum mutex_type - task management mutex type
 666  * @TM_MUTEX_OFF: mutex is not required becuase calling function is acquiring it
 667  * @TM_MUTEX_ON: mutex is required
 668  */
 669 enum mutex_type {
 670         TM_MUTEX_OFF = 0,
 671         TM_MUTEX_ON = 1,
 672 };
 673
 674 typedef void (*MPT2SAS_FLUSH_RUNNING_CMDS)(struct MPT2SAS_ADAPTER *ioc);
 675 /**
 676  * struct MPT2SAS_ADAPTER - per adapter struct
 677  * @list: ioc_list
 678  * @shost: shost object
 679  * @id: unique adapter id
 680  * @cpu_count: number online cpus
 681  * @name: generic ioc string
 682  * @tmp_string: tmp string used for logging
 683  * @pdev: pci pdev object
 684  * @chip: memory mapped register space
 685  * @chip_phys: physical addrss prior to mapping
 686  * @logging_level: see mpt2sas_debug.h
 687  * @fwfault_debug: debuging FW timeouts
 688  * @ir_firmware: IR firmware present
 689  * @bars: bitmask of BAR's that must be configured
 690  * @mask_interrupts: ignore interrupt
 691  * @dma_mask: used to set the consistent dma mask
 692  * @fault_reset_work_q_name: fw fault work queue
 693  * @fault_reset_work_q: ""
 694  * @fault_reset_work: ""
 695  * @firmware_event_name: fw event work queue
 696  * @firmware_event_thread: ""
 697  * @fw_events_off: flag to turn off fw event handling
 698  * @fw_event_lock:
 699  * @fw_event_list: list of fw events
 700  * @aen_event_read_flag: event log was read
 701  * @broadcast_aen_busy: broadcast aen waiting to be serviced
 702  * @shost_recovery: host reset in progress
 703  * @ioc_reset_in_progress_lock:
 704  * @ioc_link_reset_in_progress: phy/hard reset in progress
 705  * @ignore_loginfos: ignore loginfos during task management
 706  * @remove_host: flag for when driver unloads, to avoid sending dev resets
 707  * @pci_error_recovery: flag to prevent ioc access until slot reset completes
 708  * @wait_for_discovery_to_complete: flag set at driver load time when
 709  *                                               waiting on reporting devices
 710  * @is_driver_loading: flag set at driver load time
 711  * @port_enable_failed: flag set when port enable has failed
 712  * @start_scan: flag set from scan_start callback, cleared from _mpt2sas_fw_work
 713  * @start_scan_failed: means port enable failed, return's the ioc_status
 714  * @msix_enable: flag indicating msix is enabled
 715  * @msix_vector_count: number msix vectors
 716  * @cpu_msix_table: table for mapping cpus to msix index
 717  * @cpu_msix_table_sz: table size
 718  * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
 719  * @scsi_io_cb_idx: shost generated commands
 720  * @tm_cb_idx: task management commands
 721  * @scsih_cb_idx: scsih internal commands
 722  * @transport_cb_idx: transport internal commands
 723  * @ctl_cb_idx: clt internal commands
 724  * @base_cb_idx: base internal commands
 725  * @config_cb_idx: base internal commands
 726  * @tm_tr_cb_idx : device removal target reset handshake
 727  * @tm_tr_volume_cb_idx : volume removal target reset
 728  * @base_cmds:
 729  * @transport_cmds:
 730  * @scsih_cmds:
 731  * @tm_cmds:
 732  * @ctl_cmds:
 733  * @config_cmds:
 734  * @base_add_sg_single: handler for either 32/64 bit sgl's
 735  * @event_type: bits indicating which events to log
 736  * @event_context: unique id for each logged event
 737  * @event_log: event log pointer
 738  * @event_masks: events that are masked
 739  * @facts: static facts data
 740  * @pfacts: static port facts data
 741  * @manu_pg0: static manufacturing page 0
 742  * @manu_pg10: static manufacturing page 10
 743  * @bios_pg2: static bios page 2
 744  * @bios_pg3: static bios page 3
 745  * @ioc_pg8: static ioc page 8
 746  * @iounit_pg0: static iounit page 0
 747  * @iounit_pg1: static iounit page 1
 748  * @iounit_pg8: static iounit page 8
 749  * @sas_hba: sas host object
 750  * @sas_expander_list: expander object list
 751  * @sas_node_lock:
 752  * @sas_device_list: sas device object list
 753  * @sas_device_init_list: sas device object list (used only at init time)
 754  * @sas_device_lock:
 755  * @io_missing_delay: time for IO completed by fw when PDR enabled
 756  * @device_missing_delay: time for device missing by fw when PDR enabled
 757  * @sas_id : used for setting volume target IDs
 758  * @blocking_handles: bitmask used to identify which devices need blocking
 759  * @pd_handles : bitmask for PD handles
 760  * @pd_handles_sz : size of pd_handle bitmask
 761  * @config_page_sz: config page size
 762  * @config_page: reserve memory for config page payload
 763  * @config_page_dma:
 764  * @hba_queue_depth: hba request queue depth
 765  * @sge_size: sg element size for either 32/64 bit
 766  * @scsiio_depth: SCSI_IO queue depth
 767  * @request_sz: per request frame size
 768  * @request: pool of request frames
 769  * @request_dma:
 770  * @request_dma_sz:
 771  * @scsi_lookup: firmware request tracker list
 772  * @scsi_lookup_lock:
 773  * @free_list: free list of request
 774  * @chain: pool of chains
 775  * @pending_io_count:
 776  * @reset_wq:
 777  * @chain_dma:
 778  * @max_sges_in_main_message: number sg elements in main message
 779  * @max_sges_in_chain_message: number sg elements per chain
 780  * @chains_needed_per_io: max chains per io
 781  * @chain_offset_value_for_main_message: location 1st sg in main
 782  * @chain_depth: total chains allocated
 783  * @hi_priority_smid:
 784  * @hi_priority:
 785  * @hi_priority_dma:
 786  * @hi_priority_depth:
 787  * @hpr_lookup:
 788  * @hpr_free_list:
 789  * @internal_smid:
 790  * @internal:
 791  * @internal_dma:
 792  * @internal_depth:
 793  * @internal_lookup:
 794  * @internal_free_list:
 795  * @sense: pool of sense
 796  * @sense_dma:
 797  * @sense_dma_pool:
 798  * @reply_depth: hba reply queue depth:
 799  * @reply_sz: per reply frame size:
 800  * @reply: pool of replys:
 801  * @reply_dma:
 802  * @reply_dma_pool:
 803  * @reply_free_queue_depth: reply free depth
 804  * @reply_free: pool for reply free queue (32 bit addr)
 805  * @reply_free_dma:
 806  * @reply_free_dma_pool:
 807  * @reply_free_host_index: tail index in pool to insert free replys
 808  * @reply_post_queue_depth: reply post queue depth
 809  * @reply_post_struct: struct for reply_post_free physical & virt address
 810  * @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init
 811  * @rdpq_array_enable: rdpq_array support is enabled in the driver
 812  * @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag
 813  *                              is assigned only ones
 814  * @reply_queue_count: number of reply queue's
 815  * @reply_queue_list: link list contaning the reply queue info
 816  * @reply_post_host_index: head index in the pool where FW completes IO
 817  * @delayed_tr_list: target reset link list
 818  * @delayed_tr_volume_list: volume target reset link list
 819  * @@temp_sensors_count: flag to carry the number of temperature sensors
 820  * @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and
 821  * pci resource handling. PCI resource freeing will lead to free
 822  * vital hardware/memory resource, which might be in use by cli/sysfs
 823  * path functions resulting in Null pointer reference followed by kernel
 824  * crash. To avoid the above race condition we use mutex syncrhonization
 825  * which ensures the syncrhonization between cli/sysfs_show path
 826  */
 827 struct MPT2SAS_ADAPTER {
 828         struct list_head list;
 829         struct Scsi_Host *shost;
 830         u8              id;
 831         int             cpu_count;
 832         char            name[MPT_NAME_LENGTH];
 833         char            tmp_string[MPT_STRING_LENGTH];
 834         struct pci_dev  *pdev;
 835         Mpi2SystemInterfaceRegs_t __iomem *chip;
 836         resource_size_t chip_phys;
 837         int             logging_level;
 838         int             fwfault_debug;
 839         u8              ir_firmware;
 840         int             bars;
 841         u8              mask_interrupts;
 842         int             dma_mask;
 843
 844         /* fw fault handler */
 845         char            fault_reset_work_q_name[20];
 846         struct workqueue_struct *fault_reset_work_q;
 847         struct delayed_work fault_reset_work;
 848
 849         /* fw event handler */
 850         char            firmware_event_name[20];
 851         struct workqueue_struct *firmware_event_thread;
 852         spinlock_t      fw_event_lock;
 853         struct list_head fw_event_list;
 854
 855          /* misc flags */
 856         int             aen_event_read_flag;
 857         u8              broadcast_aen_busy;
 858         u16             broadcast_aen_pending;
 859         u8              shost_recovery;
 860
 861         struct mutex    reset_in_progress_mutex;
 862         spinlock_t      ioc_reset_in_progress_lock;
 863         u8              ioc_link_reset_in_progress;
 864         u8              ioc_reset_in_progress_status;
 865
 866         u8              ignore_loginfos;
 867         u8              remove_host;
 868         u8              pci_error_recovery;
 869         u8              wait_for_discovery_to_complete;
 870         struct completion       port_enable_done;
 871         u8              is_driver_loading;
 872         u8              port_enable_failed;
 873
 874         u8              start_scan;
 875         u16             start_scan_failed;
 876
 877         u8              msix_enable;
 878         u16             msix_vector_count;
 879         u8              *cpu_msix_table;
 880         resource_size_t __iomem **reply_post_host_index;
 881         u16             cpu_msix_table_sz;
 882         u32             ioc_reset_count;
 883         MPT2SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
 884         u32             non_operational_loop;
 885
 886         /* internal commands, callback index */
 887         u8              scsi_io_cb_idx;
 888         u8              tm_cb_idx;
 889         u8              transport_cb_idx;
 890         u8              scsih_cb_idx;
 891         u8              ctl_cb_idx;
 892         u8              base_cb_idx;
 893         u8              port_enable_cb_idx;
 894         u8              config_cb_idx;
 895         u8              tm_tr_cb_idx;
 896         u8              tm_tr_volume_cb_idx;
 897         u8              tm_sas_control_cb_idx;
 898         struct _internal_cmd base_cmds;
 899         struct _internal_cmd port_enable_cmds;
 900         struct _internal_cmd transport_cmds;
 901         struct _internal_cmd scsih_cmds;
 902         struct _internal_cmd tm_cmds;
 903         struct _internal_cmd ctl_cmds;
 904         struct _internal_cmd config_cmds;
 905
 906         MPT_ADD_SGE     base_add_sg_single;
 907
 908         /* event log */
 909         u32             event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
 910         u32             event_context;
 911         void            *event_log;
 912         u32             event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
 913
 914         /* static config pages */
 915         struct mpt2sas_facts facts;
 916         struct mpt2sas_port_facts *pfacts;
 917         Mpi2ManufacturingPage0_t manu_pg0;
 918         Mpi2BiosPage2_t bios_pg2;
 919         Mpi2BiosPage3_t bios_pg3;
 920         Mpi2IOCPage8_t ioc_pg8;
 921         Mpi2IOUnitPage0_t iounit_pg0;
 922         Mpi2IOUnitPage1_t iounit_pg1;
 923         Mpi2IOUnitPage8_t iounit_pg8;
 924
 925         struct _boot_device req_boot_device;
 926         struct _boot_device req_alt_boot_device;
 927         struct _boot_device current_boot_device;
 928
 929         /* sas hba, expander, and device list */
 930         struct _sas_node sas_hba;
 931         struct list_head sas_expander_list;
 932         spinlock_t      sas_node_lock;
 933         struct list_head sas_device_list;
 934         struct list_head sas_device_init_list;
 935         spinlock_t      sas_device_lock;
 936         struct list_head raid_device_list;
 937         spinlock_t      raid_device_lock;
 938         u8              io_missing_delay;
 939         u16             device_missing_delay;
 940         int             sas_id;
 941         void            *blocking_handles;
 942         void            *pd_handles;
 943         u16             pd_handles_sz;
 944
 945         /* config page */
 946         u16             config_page_sz;
 947         void            *config_page;
 948         dma_addr_t      config_page_dma;
 949
 950         /* scsiio request */
 951         u16             hba_queue_depth;
 952         u16             sge_size;
 953         u16             scsiio_depth;
 954         u16             request_sz;
 955         u8              *request;
 956         dma_addr_t      request_dma;
 957         u32             request_dma_sz;
 958         struct scsiio_tracker *scsi_lookup;
 959         ulong           scsi_lookup_pages;
 960         spinlock_t      scsi_lookup_lock;
 961         struct list_head free_list;
 962         int             pending_io_count;
 963         wait_queue_head_t reset_wq;
 964
 965         /* chain */
 966         struct chain_tracker *chain_lookup;
 967         struct list_head free_chain_list;
 968         struct dma_pool *chain_dma_pool;
 969         ulong           chain_pages;
 970         u16             max_sges_in_main_message;
 971         u16             max_sges_in_chain_message;
 972         u16             chains_needed_per_io;
 973         u16             chain_offset_value_for_main_message;
 974         u32             chain_depth;
 975
 976         /* hi-priority queue */
 977         u16             hi_priority_smid;
 978         u8              *hi_priority;
 979         dma_addr_t      hi_priority_dma;
 980         u16             hi_priority_depth;
 981         struct request_tracker *hpr_lookup;
 982         struct list_head hpr_free_list;
 983
 984         /* internal queue */
 985         u16             internal_smid;
 986         u8              *internal;
 987         dma_addr_t      internal_dma;
 988         u16             internal_depth;
 989         struct request_tracker *internal_lookup;
 990         struct list_head internal_free_list;
 991
 992         /* sense */
 993         u8              *sense;
 994         dma_addr_t      sense_dma;
 995         struct dma_pool *sense_dma_pool;
 996
 997         /* reply */
 998         u16             reply_sz;
 999         u8              *reply;
1000         dma_addr_t      reply_dma;
1001         u32             reply_dma_max_address;
1002         u32             reply_dma_min_address;
1003         struct dma_pool *reply_dma_pool;
1004
1005         /* reply free queue */
1006         u16             reply_free_queue_depth;
1007         __le32          *reply_free;
1008         dma_addr_t      reply_free_dma;
1009         struct dma_pool *reply_free_dma_pool;
1010         u32             reply_free_host_index;
1011
1012         /* reply post queue */
1013         u16             reply_post_queue_depth;
1014         struct reply_post_struct *reply_post;
1015         u8              rdpq_array_capable;
1016         u8              rdpq_array_enable;
1017         u8              rdpq_array_enable_assigned;
1018         struct dma_pool *reply_post_free_dma_pool;
1019         u8              reply_queue_count;
1020         struct list_head reply_queue_list;
1021
1022         struct list_head delayed_tr_list;
1023         struct list_head delayed_tr_volume_list;
1024         u8              temp_sensors_count;
1025
1026         /* diag buffer support */
1027         u8              *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
1028         u32             diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
1029         dma_addr_t      diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
1030         u8              diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
1031         u32             unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
1032         Mpi2ManufacturingPage10_t manu_pg10;
1033         u32             product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
1034         u32             diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
1035         u32             ring_buffer_offset;
1036         u32             ring_buffer_sz;
1037         u8              is_warpdrive;
1038         u8              hide_ir_msg;
1039         u8              mfg_pg10_hide_flag;
1040         u8              hide_drives;
1041
1042         struct mutex pci_access_mutex;
1043 };
1044
1045 typedef u8 (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1046     u32 reply);
1047
1048
1049 /* base shared API */
1050 extern struct list_head mpt2sas_ioc_list;
1051 /* spinlock on list operations over IOCs
1052  * Case: when multiple warpdrive cards(IOCs) are in use
1053  * Each IOC will added to the ioc list stucture on initialization.
1054  * Watchdog threads run at regular intervals to check IOC for any
1055  * fault conditions which will trigger the dead_ioc thread to
1056  * deallocate pci resource, resulting deleting the IOC netry from list,
1057  * this deletion need to protected by spinlock to enusre that
1058  * ioc removal is syncrhonized, if not synchronized it might lead to
1059  * list_del corruption as the ioc list is traversed in cli path
1060  */
1061 extern spinlock_t gioc_lock;
1062 void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc);
1063 void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc);
1064
1065 int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
1066 void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);
1067 int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc);
1068 void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc);
1069 int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
1070     enum reset_type type);
1071
1072 void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1073 void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1074 void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr);
1075 __le32 mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc,
1076     u16 smid);
1077 void mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc);
1078
1079 /* hi-priority queue */
1080 u16 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
1081 u16 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx,
1082     struct scsi_cmnd *scmd);
1083
1084 u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
1085 void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1086 void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid,
1087     u16 handle);
1088 void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1089 void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
1090     u16 io_index);
1091 void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1092 void mpt2sas_base_initialize_callback_handler(void);
1093 u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func);
1094 void mpt2sas_base_release_callback_handler(u8 cb_idx);
1095
1096 u8 mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1097     u32 reply);
1098 u8 mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid,
1099         u8 msix_index,  u32 reply);
1100 void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr);
1101
1102 u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked);
1103
1104 void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code);
1105 int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
1106     Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t
1107     *mpi_request);
1108 int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
1109     Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
1110 void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type);
1111
1112 void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc);
1113
1114 void mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
1115         u16 device_missing_delay, u8 io_missing_delay);
1116
1117 int mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc);
1118
1119 /* scsih shared API */
1120 void mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
1121     u32 reply);
1122 int mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle,
1123         uint channel, uint id, uint lun, u8 type, u16 smid_task,
1124         ulong timeout, enum mutex_type m_type);
1125 void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
1126 void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
1127 void mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
1128 void mpt2sas_device_remove_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
1129                 u64 sas_address);
1130 struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc,
1131     u16 handle);
1132 struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
1133     *ioc, u64 sas_address);
1134 struct _sas_device *mpt2sas_get_sdev_by_addr(
1135     struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
1136 struct _sas_device *__mpt2sas_get_sdev_by_addr(
1137     struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
1138
1139 void mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER *ioc);
1140 void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
1141
1142 /* config shared API */
1143 u8 mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1144     u32 reply);
1145 int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys);
1146 int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
1147     Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1148 int mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
1149     Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page);
1150 int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1151     *mpi_reply, Mpi2BiosPage2_t *config_page);
1152 int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1153     *mpi_reply, Mpi2BiosPage3_t *config_page);
1154 int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1155     *mpi_reply, Mpi2IOUnitPage0_t *config_page);
1156 int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1157     *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle);
1158 int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1159     *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle);
1160 int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1161     *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz);
1162 int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1163     *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1164 int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1165     *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1166 int mpt2sas_config_get_iounit_pg8(struct MPT2SAS_ADAPTER *ioc,
1167         Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage8_t *config_page);
1168 int mpt2sas_config_get_iounit_pg3(struct MPT2SAS_ADAPTER *ioc,
1169         Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
1170 int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1171     *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
1172 int mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
1173     Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
1174 int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1175     *mpi_reply, Mpi2IOCPage8_t *config_page);
1176 int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1177     *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle);
1178 int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1179     *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle);
1180 int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1181     *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle);
1182 int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1183     *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1184 int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1185     *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1186 int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1187     *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle);
1188 int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds);
1189 int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1190     *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz);
1191 int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1192     *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
1193     u32 form_specific);
1194 int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
1195     u16 *volume_handle);
1196 int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
1197     u64 *wwid);
1198 /* ctl shared API */
1199 extern struct device_attribute *mpt2sas_host_attrs[];
1200 extern struct device_attribute *mpt2sas_dev_attrs[];
1201 void mpt2sas_ctl_init(void);
1202 void mpt2sas_ctl_exit(void);
1203 u8 mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1204     u32 reply);
1205 void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
1206 void mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
1207     u32 reply);
1208 void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
1209     Mpi2EventNotificationReply_t *mpi_reply);
1210
1211 void mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc,
1212         u8 bits_to_regsiter);
1213
1214 /* transport shared API */
1215 u8 mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1216     u32 reply);
1217 struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc,
1218      u16 handle, u64 sas_address);
1219 void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
1220      u64 sas_address_parent);
1221 int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
1222     *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1223 int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
1224     *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev);
1225 void mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
1226      u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
1227 extern struct sas_function_template mpt2sas_transport_functions;
1228 extern struct scsi_transport_template *mpt2sas_transport_template;
1229 extern int scsi_internal_device_block(struct scsi_device *sdev);
1230 extern u8 mpt2sas_stm_zero_smid_handler(struct MPT2SAS_ADAPTER *ioc,
1231     u8 msix_index, u32 reply);
1232 extern int scsi_internal_device_unblock(struct scsi_device *sdev,
1233                                         enum scsi_device_state new_state);
1234
1235 #endif /* MPT2SAS_BASE_H_INCLUDED */