linux/drivers/scsi/mpt2sas/mpt2sas_base.h
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   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 */
 243struct 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 */
 287typedef 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
 309struct 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 */
 333struct _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 */
 363struct _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
 384static inline void sas_device_get(struct _sas_device *s)
 385{
 386        kref_get(&s->refcount);
 387}
 388
 389static inline void sas_device_free(struct kref *r)
 390{
 391        kfree(container_of(r, struct _sas_device, refcount));
 392}
 393
 394static 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
 423struct _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 */
 451struct _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 */
 465struct _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 */
 485struct _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 */
 510struct _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 */
 529enum 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 */
 540struct 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 */
 555struct 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 */
 570struct 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 */
 581struct _tr_list {
 582        struct list_head list;
 583        u16     handle;
 584        u16     state;
 585};
 586
 587typedef 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*/
 600struct 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 */
 613union mpi2_version_union {
 614        MPI2_VERSION_STRUCT             Struct;
 615        u32                             Word;
 616};
 617
 618struct 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
 651struct mpt2sas_port_facts {
 652        u8                      PortNumber;
 653        u8                      VP_ID;
 654        u8                      VF_ID;
 655        u8                      PortType;
 656        u16                     MaxPostedCmdBuffers;
 657};
 658
 659struct 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 */
 669enum mutex_type {
 670        TM_MUTEX_OFF = 0,
 671        TM_MUTEX_ON = 1,
 672};
 673
 674typedef 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 */
 827struct 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
1045typedef u8 (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1046    u32 reply);
1047
1048
1049/* base shared API */
1050extern 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 */
1061extern spinlock_t gioc_lock;
1062void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc);
1063void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc);
1064
1065int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
1066void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);
1067int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc);
1068void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc);
1069int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
1070    enum reset_type type);
1071
1072void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1073void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1074void 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);
1077void mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc);
1078
1079/* hi-priority queue */
1080u16 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
1081u16 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx,
1082    struct scsi_cmnd *scmd);
1083
1084u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
1085void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1086void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid,
1087    u16 handle);
1088void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1089void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
1090    u16 io_index);
1091void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1092void mpt2sas_base_initialize_callback_handler(void);
1093u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func);
1094void mpt2sas_base_release_callback_handler(u8 cb_idx);
1095
1096u8 mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1097    u32 reply);
1098u8 mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid,
1099        u8 msix_index,  u32 reply);
1100void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr);
1101
1102u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked);
1103
1104void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code);
1105int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
1106    Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t
1107    *mpi_request);
1108int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
1109    Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
1110void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type);
1111
1112void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc);
1113
1114void mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
1115        u16 device_missing_delay, u8 io_missing_delay);
1116
1117int mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc);
1118
1119/* scsih shared API */
1120void mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
1121    u32 reply);
1122int 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);
1125void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
1126void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
1127void mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
1128void mpt2sas_device_remove_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
1129                u64 sas_address);
1130struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc,
1131    u16 handle);
1132struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
1133    *ioc, u64 sas_address);
1134struct _sas_device *mpt2sas_get_sdev_by_addr(
1135    struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
1136struct _sas_device *__mpt2sas_get_sdev_by_addr(
1137    struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
1138
1139void mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER *ioc);
1140void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
1141
1142/* config shared API */
1143u8 mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1144    u32 reply);
1145int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys);
1146int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
1147    Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1148int mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
1149    Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page);
1150int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1151    *mpi_reply, Mpi2BiosPage2_t *config_page);
1152int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1153    *mpi_reply, Mpi2BiosPage3_t *config_page);
1154int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1155    *mpi_reply, Mpi2IOUnitPage0_t *config_page);
1156int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1157    *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle);
1158int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1159    *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle);
1160int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1161    *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz);
1162int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1163    *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1164int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1165    *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1166int mpt2sas_config_get_iounit_pg8(struct MPT2SAS_ADAPTER *ioc,
1167        Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage8_t *config_page);
1168int mpt2sas_config_get_iounit_pg3(struct MPT2SAS_ADAPTER *ioc,
1169        Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
1170int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1171    *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
1172int mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
1173    Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
1174int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1175    *mpi_reply, Mpi2IOCPage8_t *config_page);
1176int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1177    *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle);
1178int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1179    *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle);
1180int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1181    *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle);
1182int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1183    *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1184int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1185    *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1186int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1187    *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle);
1188int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds);
1189int 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);
1191int 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);
1194int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
1195    u16 *volume_handle);
1196int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
1197    u64 *wwid);
1198/* ctl shared API */
1199extern struct device_attribute *mpt2sas_host_attrs[];
1200extern struct device_attribute *mpt2sas_dev_attrs[];
1201void mpt2sas_ctl_init(void);
1202void mpt2sas_ctl_exit(void);
1203u8 mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1204    u32 reply);
1205void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
1206void mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
1207    u32 reply);
1208void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
1209    Mpi2EventNotificationReply_t *mpi_reply);
1210
1211void mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc,
1212        u8 bits_to_regsiter);
1213
1214/* transport shared API */
1215u8 mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1216    u32 reply);
1217struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc,
1218     u16 handle, u64 sas_address);
1219void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
1220     u64 sas_address_parent);
1221int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
1222    *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1223int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
1224    *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev);
1225void mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
1226     u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
1227extern struct sas_function_template mpt2sas_transport_functions;
1228extern struct scsi_transport_template *mpt2sas_transport_template;
1229extern int scsi_internal_device_block(struct scsi_device *sdev);
1230extern u8 mpt2sas_stm_zero_smid_handler(struct MPT2SAS_ADAPTER *ioc,
1231    u8 msix_index, u32 reply);
1232extern int scsi_internal_device_unblock(struct scsi_device *sdev,
1233                                        enum scsi_device_state new_state);
1234
1235#endif /* MPT2SAS_BASE_H_INCLUDED */
1236
Hosted by Missing Link Electronics. The original LXR software by the LXR community, this experimental version by lxr@linux.no.