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) 2007-2008  LSI Corporation
   7  *  (mailto:DL-MPTFusionLinux@lsi.com)
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * as published by the Free Software Foundation; either version 2
  12  * of the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * NO WARRANTY
  20  * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
  21  * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
  22  * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
  23  * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
  24  * solely responsible for determining the appropriateness of using and
  25  * distributing the Program and assumes all risks associated with its
  26  * exercise of rights under this Agreement, including but not limited to
  27  * the risks and costs of program errors, damage to or loss of data,
  28  * programs or equipment, and unavailability or interruption of operations.
  29
  30  * DISCLAIMER OF LIABILITY
  31  * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
  32  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  33  * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
  34  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  35  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  36  * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
  37  * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
  38
  39  * You should have received a copy of the GNU General Public License
  40  * along with this program; if not, write to the Free Software
  41  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
  42  * USA.
  43  */
  44
  45 #ifndef MPT2SAS_BASE_H_INCLUDED
  46 #define MPT2SAS_BASE_H_INCLUDED
  47
  48 #include "mpi/mpi2_type.h"
  49 #include "mpi/mpi2.h"
  50 #include "mpi/mpi2_ioc.h"
  51 #include "mpi/mpi2_cnfg.h"
  52 #include "mpi/mpi2_init.h"
  53 #include "mpi/mpi2_raid.h"
  54 #include "mpi/mpi2_tool.h"
  55 #include "mpi/mpi2_sas.h"
  56
  57 #include <scsi/scsi.h>
  58 #include <scsi/scsi_cmnd.h>
  59 #include <scsi/scsi_device.h>
  60 #include <scsi/scsi_host.h>
  61 #include <scsi/scsi_tcq.h>
  62 #include <scsi/scsi_transport_sas.h>
  63 #include <scsi/scsi_dbg.h>
  64 #include <scsi/scsi_eh.h>
  65
  66 #include "mpt2sas_debug.h"
  67
  68 /* driver versioning info */
  69 #define MPT2SAS_DRIVER_NAME             "mpt2sas"
  70 #define MPT2SAS_AUTHOR  "LSI Corporation <DL-MPTFusionLinux@lsi.com>"
  71 #define MPT2SAS_DESCRIPTION     "LSI MPT Fusion SAS 2.0 Device Driver"
  72 #define MPT2SAS_DRIVER_VERSION          "01.100.03.00"
  73 #define MPT2SAS_MAJOR_VERSION           01
  74 #define MPT2SAS_MINOR_VERSION           100
  75 #define MPT2SAS_BUILD_VERSION           03
  76 #define MPT2SAS_RELEASE_VERSION         00
  77
  78 /*
  79  * Set MPT2SAS_SG_DEPTH value based on user input.
  80  */
  81 #ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
  82 #if     CONFIG_SCSI_MPT2SAS_MAX_SGE  < 16
  83 #define MPT2SAS_SG_DEPTH       16
  84 #elif CONFIG_SCSI_MPT2SAS_MAX_SGE  > 128
  85 #define MPT2SAS_SG_DEPTH       128
  86 #else
  87 #define MPT2SAS_SG_DEPTH       CONFIG_SCSI_MPT2SAS_MAX_SGE
  88 #endif
  89 #else
  90 #define MPT2SAS_SG_DEPTH       128 /* MAX_HW_SEGMENTS */
  91 #endif
  92
  93
  94 /*
  95  * Generic Defines
  96  */
  97 #define MPT2SAS_SATA_QUEUE_DEPTH        32
  98 #define MPT2SAS_SAS_QUEUE_DEPTH         254
  99 #define MPT2SAS_RAID_QUEUE_DEPTH        128
 100
 101 #define MPT_NAME_LENGTH                 32      /* generic length of strings */
 102 #define MPT_STRING_LENGTH               64
 103
 104 #define MPT_MAX_CALLBACKS               16
 105
 106 #define  CAN_SLEEP                      1
 107 #define  NO_SLEEP                       0
 108
 109 #define INTERNAL_CMDS_COUNT             10      /* reserved cmds */
 110
 111 #define MPI2_HIM_MASK                   0xFFFFFFFF /* mask every bit*/
 112
 113 #define MPT2SAS_INVALID_DEVICE_HANDLE   0xFFFF
 114
 115
 116 /*
 117  * reset phases
 118  */
 119 #define MPT2_IOC_PRE_RESET              1 /* prior to host reset */
 120 #define MPT2_IOC_AFTER_RESET            2 /* just after host reset */
 121 #define MPT2_IOC_DONE_RESET             3 /* links re-initialized */
 122
 123 /*
 124  * logging format
 125  */
 126 #define MPT2SAS_FMT                     "%s: "
 127 #define MPT2SAS_DEBUG_FMT               KERN_DEBUG MPT2SAS_FMT
 128 #define MPT2SAS_INFO_FMT                KERN_INFO MPT2SAS_FMT
 129 #define MPT2SAS_NOTE_FMT                KERN_NOTICE MPT2SAS_FMT
 130 #define MPT2SAS_WARN_FMT                KERN_WARNING MPT2SAS_FMT
 131 #define MPT2SAS_ERR_FMT                 KERN_ERR MPT2SAS_FMT
 132
 133 /*
 134  * Dell HBA branding
 135  */
 136 #define MPT2SAS_DELL_BRANDING_SIZE                 32
 137
 138 #define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING        "Dell 6Gbps SAS HBA"
 139 #define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING    "Dell PERC H200 Adapter"
 140 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
 141 #define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING    "Dell PERC H200 Modular"
 142 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING   "Dell PERC H200 Embedded"
 143 #define MPT2SAS_DELL_PERC_H200_BRANDING            "Dell PERC H200"
 144 #define MPT2SAS_DELL_6GBPS_SAS_BRANDING            "Dell 6Gbps SAS"
 145
 146 /*
 147  * Dell HBA SSDIDs
 148  */
 149 #define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID           0x1F1C
 150 #define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID       0x1F1D
 151 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID    0x1F1E
 152 #define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID       0x1F1F
 153 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID      0x1F20
 154 #define MPT2SAS_DELL_PERC_H200_SSDID               0x1F21
 155 #define MPT2SAS_DELL_6GBPS_SAS_SSDID               0x1F22
 156
 157 /*
 158  * per target private data
 159  */
 160 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
 161 #define MPT_TARGET_FLAGS_VOLUME         0x02
 162 #define MPT_TARGET_FLAGS_DELETED        0x04
 163
 164 /**
 165  * struct MPT2SAS_TARGET - starget private hostdata
 166  * @starget: starget object
 167  * @sas_address: target sas address
 168  * @handle: device handle
 169  * @num_luns: number luns
 170  * @flags: MPT_TARGET_FLAGS_XXX flags
 171  * @deleted: target flaged for deletion
 172  * @tm_busy: target is busy with TM request.
 173  */
 174 struct MPT2SAS_TARGET {
 175         struct scsi_target *starget;
 176         u64     sas_address;
 177         u16     handle;
 178         int     num_luns;
 179         u32     flags;
 180         u8      deleted;
 181         u8      tm_busy;
 182 };
 183
 184 /*
 185  * per device private data
 186  */
 187 #define MPT_DEVICE_FLAGS_INIT           0x01
 188 #define MPT_DEVICE_TLR_ON               0x02
 189
 190 /**
 191  * struct MPT2SAS_DEVICE - sdev private hostdata
 192  * @sas_target: starget private hostdata
 193  * @lun: lun number
 194  * @flags: MPT_DEVICE_XXX flags
 195  * @configured_lun: lun is configured
 196  * @block: device is in SDEV_BLOCK state
 197  * @tlr_snoop_check: flag used in determining whether to disable TLR
 198  */
 199 struct MPT2SAS_DEVICE {
 200         struct MPT2SAS_TARGET *sas_target;
 201         unsigned int    lun;
 202         u32     flags;
 203         u8      configured_lun;
 204         u8      block;
 205         u8      tlr_snoop_check;
 206 };
 207
 208 #define MPT2_CMD_NOT_USED       0x8000  /* free */
 209 #define MPT2_CMD_COMPLETE       0x0001  /* completed */
 210 #define MPT2_CMD_PENDING        0x0002  /* pending */
 211 #define MPT2_CMD_REPLY_VALID    0x0004  /* reply is valid */
 212 #define MPT2_CMD_RESET          0x0008  /* host reset dropped the command */
 213
 214 /**
 215  * struct _internal_cmd - internal commands struct
 216  * @mutex: mutex
 217  * @done: completion
 218  * @reply: reply message pointer
 219  * @status: MPT2_CMD_XXX status
 220  * @smid: system message id
 221  */
 222 struct _internal_cmd {
 223         struct mutex mutex;
 224         struct completion done;
 225         void    *reply;
 226         u16     status;
 227         u16     smid;
 228 };
 229
 230 /*
 231  * SAS Topology Structures
 232  */
 233
 234 /**
 235  * struct _sas_device - attached device information
 236  * @list: sas device list
 237  * @starget: starget object
 238  * @sas_address: device sas address
 239  * @device_name: retrieved from the SAS IDENTIFY frame.
 240  * @handle: device handle
 241  * @parent_handle: handle to parent device
 242  * @enclosure_handle: enclosure handle
 243  * @enclosure_logical_id: enclosure logical identifier
 244  * @volume_handle: volume handle (valid when hidden raid member)
 245  * @volume_wwid: volume unique identifier
 246  * @device_info: bitfield provides detailed info about the device
 247  * @id: target id
 248  * @channel: target channel
 249  * @slot: number number
 250  * @hidden_raid_component: set to 1 when this is a raid member
 251  * @responding: used in _scsih_sas_device_mark_responding
 252  */
 253 struct _sas_device {
 254         struct list_head list;
 255         struct scsi_target *starget;
 256         u64     sas_address;
 257         u64     device_name;
 258         u16     handle;
 259         u16     parent_handle;
 260         u16     enclosure_handle;
 261         u64     enclosure_logical_id;
 262         u16     volume_handle;
 263         u64     volume_wwid;
 264         u32     device_info;
 265         int     id;
 266         int     channel;
 267         u16     slot;
 268         u8      hidden_raid_component;
 269         u8      responding;
 270 };
 271
 272 /**
 273  * struct _raid_device - raid volume link list
 274  * @list: sas device list
 275  * @starget: starget object
 276  * @sdev: scsi device struct (volumes are single lun)
 277  * @wwid: unique identifier for the volume
 278  * @handle: device handle
 279  * @id: target id
 280  * @channel: target channel
 281  * @volume_type: the raid level
 282  * @device_info: bitfield provides detailed info about the hidden components
 283  * @num_pds: number of hidden raid components
 284  * @responding: used in _scsih_raid_device_mark_responding
 285  */
 286 struct _raid_device {
 287         struct list_head list;
 288         struct scsi_target *starget;
 289         struct scsi_device *sdev;
 290         u64     wwid;
 291         u16     handle;
 292         int     id;
 293         int     channel;
 294         u8      volume_type;
 295         u32     device_info;
 296         u8      num_pds;
 297         u8      responding;
 298 };
 299
 300 /**
 301  * struct _boot_device - boot device info
 302  * @is_raid: flag to indicate whether this is volume
 303  * @device: holds pointer for either struct _sas_device or
 304  *     struct _raid_device
 305  */
 306 struct _boot_device {
 307         u8 is_raid;
 308         void *device;
 309 };
 310
 311 /**
 312  * struct _sas_port - wide/narrow sas port information
 313  * @port_list: list of ports belonging to expander
 314  * @handle: device handle for this port
 315  * @sas_address: sas address of this port
 316  * @num_phys: number of phys belonging to this port
 317  * @remote_identify: attached device identification
 318  * @rphy: sas transport rphy object
 319  * @port: sas transport wide/narrow port object
 320  * @phy_list: _sas_phy list objects belonging to this port
 321  */
 322 struct _sas_port {
 323         struct list_head port_list;
 324         u16     handle;
 325         u64     sas_address;
 326         u8      num_phys;
 327         struct sas_identify remote_identify;
 328         struct sas_rphy *rphy;
 329         struct sas_port *port;
 330         struct list_head phy_list;
 331 };
 332
 333 /**
 334  * struct _sas_phy - phy information
 335  * @port_siblings: list of phys belonging to a port
 336  * @identify: phy identification
 337  * @remote_identify: attached device identification
 338  * @phy: sas transport phy object
 339  * @phy_id: unique phy id
 340  * @handle: device handle for this phy
 341  * @attached_handle: device handle for attached device
 342  */
 343 struct _sas_phy {
 344         struct list_head port_siblings;
 345         struct sas_identify identify;
 346         struct sas_identify remote_identify;
 347         struct sas_phy *phy;
 348         u8      phy_id;
 349         u16     handle;
 350         u16     attached_handle;
 351 };
 352
 353 /**
 354  * struct _sas_node - sas_host/expander information
 355  * @list: list of expanders
 356  * @parent_dev: parent device class
 357  * @num_phys: number phys belonging to this sas_host/expander
 358  * @sas_address: sas address of this sas_host/expander
 359  * @handle: handle for this sas_host/expander
 360  * @parent_handle: parent handle
 361  * @enclosure_handle: handle for this a member of an enclosure
 362  * @device_info: bitwise defining capabilities of this sas_host/expander
 363  * @responding: used in _scsih_expander_device_mark_responding
 364  * @phy: a list of phys that make up this sas_host/expander
 365  * @sas_port_list: list of ports attached to this sas_host/expander
 366  */
 367 struct _sas_node {
 368         struct list_head list;
 369         struct device *parent_dev;
 370         u8      num_phys;
 371         u64     sas_address;
 372         u16     handle;
 373         u16     parent_handle;
 374         u16     enclosure_handle;
 375         u64     enclosure_logical_id;
 376         u8      responding;
 377         struct  _sas_phy *phy;
 378         struct list_head sas_port_list;
 379 };
 380
 381 /**
 382  * enum reset_type - reset state
 383  * @FORCE_BIG_HAMMER: issue diagnostic reset
 384  * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
 385  */
 386 enum reset_type {
 387         FORCE_BIG_HAMMER,
 388         SOFT_RESET,
 389 };
 390
 391 /**
 392  * struct request_tracker - firmware request tracker
 393  * @smid: system message id
 394  * @scmd: scsi request pointer
 395  * @cb_idx: callback index
 396  * @chain_list: list of chains associated to this IO
 397  * @tracker_list: list of free request (ioc->free_list)
 398  */
 399 struct request_tracker {
 400         u16     smid;
 401         struct scsi_cmnd *scmd;
 402         u8      cb_idx;
 403         struct list_head tracker_list;
 404 };
 405
 406 typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
 407
 408 /**
 409  * struct MPT2SAS_ADAPTER - per adapter struct
 410  * @list: ioc_list
 411  * @shost: shost object
 412  * @id: unique adapter id
 413  * @pci_irq: irq number
 414  * @name: generic ioc string
 415  * @tmp_string: tmp string used for logging
 416  * @pdev: pci pdev object
 417  * @chip: memory mapped register space
 418  * @chip_phys: physical addrss prior to mapping
 419  * @pio_chip: I/O mapped register space
 420  * @logging_level: see mpt2sas_debug.h
 421  * @ir_firmware: IR firmware present
 422  * @bars: bitmask of BAR's that must be configured
 423  * @mask_interrupts: ignore interrupt
 424  * @fault_reset_work_q_name: fw fault work queue
 425  * @fault_reset_work_q: ""
 426  * @fault_reset_work: ""
 427  * @firmware_event_name: fw event work queue
 428  * @firmware_event_thread: ""
 429  * @fw_events_off: flag to turn off fw event handling
 430  * @fw_event_lock:
 431  * @fw_event_list: list of fw events
 432  * @aen_event_read_flag: event log was read
 433  * @broadcast_aen_busy: broadcast aen waiting to be serviced
 434  * @ioc_reset_in_progress: host reset in progress
 435  * @ioc_reset_in_progress_lock:
 436  * @ioc_link_reset_in_progress: phy/hard reset in progress
 437  * @ignore_loginfos: ignore loginfos during task managment
 438  * @remove_host: flag for when driver unloads, to avoid sending dev resets
 439  * @wait_for_port_enable_to_complete:
 440  * @msix_enable: flag indicating msix is enabled
 441  * @msix_vector_count: number msix vectors
 442  * @msix_table: virt address to the msix table
 443  * @msix_table_backup: backup msix table
 444  * @scsi_io_cb_idx: shost generated commands
 445  * @tm_cb_idx: task management commands
 446  * @transport_cb_idx: transport internal commands
 447  * @ctl_cb_idx: clt internal commands
 448  * @base_cb_idx: base internal commands
 449  * @config_cb_idx: base internal commands
 450  * @base_cmds:
 451  * @transport_cmds:
 452  * @tm_cmds:
 453  * @ctl_cmds:
 454  * @config_cmds:
 455  * @base_add_sg_single: handler for either 32/64 bit sgl's
 456  * @event_type: bits indicating which events to log
 457  * @event_context: unique id for each logged event
 458  * @event_log: event log pointer
 459  * @event_masks: events that are masked
 460  * @facts: static facts data
 461  * @pfacts: static port facts data
 462  * @manu_pg0: static manufacturing page 0
 463  * @bios_pg2: static bios page 2
 464  * @bios_pg3: static bios page 3
 465  * @ioc_pg8: static ioc page 8
 466  * @iounit_pg0: static iounit page 0
 467  * @iounit_pg1: static iounit page 1
 468  * @sas_hba: sas host object
 469  * @sas_expander_list: expander object list
 470  * @sas_node_lock:
 471  * @sas_device_list: sas device object list
 472  * @sas_device_init_list: sas device object list (used only at init time)
 473  * @sas_device_lock:
 474  * @io_missing_delay: time for IO completed by fw when PDR enabled
 475  * @device_missing_delay: time for device missing by fw when PDR enabled
 476  * @config_page_sz: config page size
 477  * @config_page: reserve memory for config page payload
 478  * @config_page_dma:
 479  * @sge_size: sg element size for either 32/64 bit
 480  * @request_depth: hba request queue depth
 481  * @request_sz: per request frame size
 482  * @request: pool of request frames
 483  * @request_dma:
 484  * @request_dma_sz:
 485  * @scsi_lookup: firmware request tracker list
 486  * @scsi_lookup_lock:
 487  * @free_list: free list of request
 488  * @chain: pool of chains
 489  * @pending_io_count:
 490  * @reset_wq:
 491  * @chain_dma:
 492  * @max_sges_in_main_message: number sg elements in main message
 493  * @max_sges_in_chain_message: number sg elements per chain
 494  * @chains_needed_per_io: max chains per io
 495  * @chain_offset_value_for_main_message: location 1st sg in main
 496  * @chain_depth: total chains allocated
 497  * @sense: pool of sense
 498  * @sense_dma:
 499  * @sense_dma_pool:
 500  * @reply_depth: hba reply queue depth:
 501  * @reply_sz: per reply frame size:
 502  * @reply: pool of replys:
 503  * @reply_dma:
 504  * @reply_dma_pool:
 505  * @reply_free_queue_depth: reply free depth
 506  * @reply_free: pool for reply free queue (32 bit addr)
 507  * @reply_free_dma:
 508  * @reply_free_dma_pool:
 509  * @reply_free_host_index: tail index in pool to insert free replys
 510  * @reply_post_queue_depth: reply post queue depth
 511  * @reply_post_free: pool for reply post (64bit descriptor)
 512  * @reply_post_free_dma:
 513  * @reply_post_free_dma_pool:
 514  * @reply_post_host_index: head index in the pool where FW completes IO
 515  */
 516 struct MPT2SAS_ADAPTER {
 517         struct list_head list;
 518         struct Scsi_Host *shost;
 519         u8              id;
 520         u32             pci_irq;
 521         char            name[MPT_NAME_LENGTH];
 522         char            tmp_string[MPT_STRING_LENGTH];
 523         struct pci_dev  *pdev;
 524         Mpi2SystemInterfaceRegs_t __iomem *chip;
 525         unsigned long   chip_phys;
 526         unsigned long   pio_chip;
 527         int             logging_level;
 528         u8              ir_firmware;
 529         int             bars;
 530         u8              mask_interrupts;
 531
 532         /* fw fault handler */
 533         char            fault_reset_work_q_name[20];
 534         struct workqueue_struct *fault_reset_work_q;
 535         struct delayed_work fault_reset_work;
 536
 537         /* fw event handler */
 538         char            firmware_event_name[20];
 539         struct workqueue_struct *firmware_event_thread;
 540         u8              fw_events_off;
 541         spinlock_t      fw_event_lock;
 542         struct list_head fw_event_list;
 543
 544          /* misc flags */
 545         int             aen_event_read_flag;
 546         u8              broadcast_aen_busy;
 547         u8              ioc_reset_in_progress;
 548         u8              shost_recovery;
 549         spinlock_t      ioc_reset_in_progress_lock;
 550         u8              ioc_link_reset_in_progress;
 551         u8              ignore_loginfos;
 552         u8              remove_host;
 553         u8              wait_for_port_enable_to_complete;
 554
 555         u8              msix_enable;
 556         u16             msix_vector_count;
 557         u32             *msix_table;
 558         u32             *msix_table_backup;
 559
 560         /* internal commands, callback index */
 561         u8              scsi_io_cb_idx;
 562         u8              tm_cb_idx;
 563         u8              transport_cb_idx;
 564         u8              ctl_cb_idx;
 565         u8              base_cb_idx;
 566         u8              config_cb_idx;
 567         struct _internal_cmd base_cmds;
 568         struct _internal_cmd transport_cmds;
 569         struct _internal_cmd tm_cmds;
 570         struct _internal_cmd ctl_cmds;
 571         struct _internal_cmd config_cmds;
 572
 573         MPT_ADD_SGE     base_add_sg_single;
 574
 575         /* event log */
 576         u32             event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
 577         u32             event_context;
 578         void            *event_log;
 579         u32             event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
 580
 581         /* static config pages */
 582         Mpi2IOCFactsReply_t facts;
 583         Mpi2PortFactsReply_t *pfacts;
 584         Mpi2ManufacturingPage0_t manu_pg0;
 585         Mpi2BiosPage2_t bios_pg2;
 586         Mpi2BiosPage3_t bios_pg3;
 587         Mpi2IOCPage8_t ioc_pg8;
 588         Mpi2IOUnitPage0_t iounit_pg0;
 589         Mpi2IOUnitPage1_t iounit_pg1;
 590
 591         struct _boot_device req_boot_device;
 592         struct _boot_device req_alt_boot_device;
 593         struct _boot_device current_boot_device;
 594
 595         /* sas hba, expander, and device list */
 596         struct _sas_node sas_hba;
 597         struct list_head sas_expander_list;
 598         spinlock_t      sas_node_lock;
 599         struct list_head sas_device_list;
 600         struct list_head sas_device_init_list;
 601         spinlock_t      sas_device_lock;
 602         struct list_head raid_device_list;
 603         spinlock_t      raid_device_lock;
 604         u8              io_missing_delay;
 605         u16             device_missing_delay;
 606         int             sas_id;
 607
 608         /* config page */
 609         u16             config_page_sz;
 610         void            *config_page;
 611         dma_addr_t      config_page_dma;
 612
 613         /* request */
 614         u16             sge_size;
 615         u16             request_depth;
 616         u16             request_sz;
 617         u8              *request;
 618         dma_addr_t      request_dma;
 619         u32             request_dma_sz;
 620         struct request_tracker *scsi_lookup;
 621         spinlock_t scsi_lookup_lock;
 622         struct list_head free_list;
 623         int             pending_io_count;
 624         wait_queue_head_t reset_wq;
 625
 626         /* chain */
 627         u8              *chain;
 628         dma_addr_t      chain_dma;
 629         u16             max_sges_in_main_message;
 630         u16             max_sges_in_chain_message;
 631         u16             chains_needed_per_io;
 632         u16             chain_offset_value_for_main_message;
 633         u16             chain_depth;
 634
 635         /* sense */
 636         u8              *sense;
 637         dma_addr_t      sense_dma;
 638         struct dma_pool *sense_dma_pool;
 639
 640         /* reply */
 641         u16             reply_sz;
 642         u8              *reply;
 643         dma_addr_t      reply_dma;
 644         struct dma_pool *reply_dma_pool;
 645
 646         /* reply free queue */
 647         u16             reply_free_queue_depth;
 648         u32             *reply_free;
 649         dma_addr_t      reply_free_dma;
 650         struct dma_pool *reply_free_dma_pool;
 651         u32             reply_free_host_index;
 652
 653         /* reply post queue */
 654         u16             reply_post_queue_depth;
 655         Mpi2ReplyDescriptorsUnion_t *reply_post_free;
 656         dma_addr_t      reply_post_free_dma;
 657         struct dma_pool *reply_post_free_dma_pool;
 658         u32             reply_post_host_index;
 659
 660         /* diag buffer support */
 661         u8              *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
 662         u32             diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
 663         dma_addr_t      diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
 664         u8              diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
 665         u32             unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
 666         u32             product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
 667         u32             diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
 668 };
 669
 670 typedef void (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID,
 671     u32 reply);
 672
 673
 674 /* base shared API */
 675 extern struct list_head mpt2sas_ioc_list;
 676
 677 int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
 678 void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);
 679 int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc);
 680 void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc);
 681 int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
 682     enum reset_type type);
 683
 684 void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 685 void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 686 void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr);
 687 dma_addr_t mpt2sas_base_get_msg_frame_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 688 dma_addr_t mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 689
 690 u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
 691 void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 692 void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 vf_id,
 693     u16 handle);
 694 void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 vf_id);
 695 void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
 696     u8 vf_id, u16 io_index);
 697 void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 vf_id);
 698 void mpt2sas_base_initialize_callback_handler(void);
 699 u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func);
 700 void mpt2sas_base_release_callback_handler(u8 cb_idx);
 701
 702 void mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply);
 703 void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr);
 704
 705 u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked);
 706
 707 void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code);
 708 int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
 709     Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t
 710     *mpi_request);
 711 int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
 712     Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
 713 void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type);
 714
 715 /* scsih shared API */
 716 void mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
 717     u8 type, u16 smid_task, ulong timeout);
 718 void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
 719 void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
 720 struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc,
 721     u16 handle);
 722 struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
 723     *ioc, u64 sas_address);
 724 struct _sas_device *mpt2sas_scsih_sas_device_find_by_sas_address(
 725     struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
 726
 727 void mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, u32 reply);
 728 void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
 729
 730 /* config shared API */
 731 void mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply);
 732 int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys);
 733 int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
 734     Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
 735 int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 736     *mpi_reply, Mpi2BiosPage2_t *config_page);
 737 int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 738     *mpi_reply, Mpi2BiosPage3_t *config_page);
 739 int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 740     *mpi_reply, Mpi2IOUnitPage0_t *config_page);
 741 int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 742     *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle);
 743 int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 744     *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle);
 745 int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 746     *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz);
 747 int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 748     *mpi_reply, Mpi2IOUnitPage1_t *config_page);
 749 int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 750     *mpi_reply, Mpi2IOUnitPage1_t config_page);
 751 int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 752     *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
 753 int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 754     *mpi_reply, Mpi2IOCPage8_t *config_page);
 755 int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 756     *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle);
 757 int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 758     *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle);
 759 int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 760     *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle);
 761 int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 762     *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
 763 int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 764     *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
 765 int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 766     *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle);
 767 int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds);
 768 int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 769     *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz);
 770 int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 771     *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
 772     u32 form_specific);
 773 int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
 774     u16 *volume_handle);
 775 int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
 776     u64 *wwid);
 777
 778 /* ctl shared API */
 779 extern struct device_attribute *mpt2sas_host_attrs[];
 780 extern struct device_attribute *mpt2sas_dev_attrs[];
 781 void mpt2sas_ctl_init(void);
 782 void mpt2sas_ctl_exit(void);
 783 void mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply);
 784 void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
 785 void mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, u32 reply);
 786 void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
 787     Mpi2EventNotificationReply_t *mpi_reply);
 788
 789 /* transport shared API */
 790 void mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply);
 791 struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc,
 792     u16 handle, u16 parent_handle);
 793 void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
 794     u16 parent_handle);
 795 int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
 796     *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
 797 int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
 798     *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev);
 799 void mpt2sas_transport_update_phy_link_change(struct MPT2SAS_ADAPTER *ioc, u16 handle,
 800    u16 attached_handle, u8 phy_number, u8 link_rate);
 801 extern struct sas_function_template mpt2sas_transport_functions;
 802 extern struct scsi_transport_template *mpt2sas_transport_template;
 803
 804 #endif /* MPT2SAS_BASE_H_INCLUDED */