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) 2007-2009  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          "02.100.03.00"
  73 #define MPT2SAS_MAJOR_VERSION           02
  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 #define MPT2_IOC_RUNNING                4 /* shost running */
 123
 124 /*
 125  * logging format
 126  */
 127 #define MPT2SAS_FMT                     "%s: "
 128 #define MPT2SAS_DEBUG_FMT               KERN_DEBUG MPT2SAS_FMT
 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  * per target private data
 160  */
 161 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
 162 #define MPT_TARGET_FLAGS_VOLUME         0x02
 163 #define MPT_TARGET_FLAGS_DELETED        0x04
 164
 165 /**
 166  * struct MPT2SAS_TARGET - starget private hostdata
 167  * @starget: starget object
 168  * @sas_address: target sas address
 169  * @handle: device handle
 170  * @num_luns: number luns
 171  * @flags: MPT_TARGET_FLAGS_XXX flags
 172  * @deleted: target flaged for deletion
 173  * @tm_busy: target is busy with TM request.
 174  */
 175 struct MPT2SAS_TARGET {
 176         struct scsi_target *starget;
 177         u64     sas_address;
 178         u16     handle;
 179         int     num_luns;
 180         u32     flags;
 181         u8      deleted;
 182         u8      tm_busy;
 183 };
 184
 185 /*
 186  * per device private data
 187  */
 188 #define MPT_DEVICE_FLAGS_INIT           0x01
 189 #define MPT_DEVICE_TLR_ON               0x02
 190
 191 /**
 192  * struct MPT2SAS_DEVICE - sdev private hostdata
 193  * @sas_target: starget private hostdata
 194  * @lun: lun number
 195  * @flags: MPT_DEVICE_XXX flags
 196  * @configured_lun: lun is configured
 197  * @block: device is in SDEV_BLOCK state
 198  * @tlr_snoop_check: flag used in determining whether to disable TLR
 199  */
 200
 201 /* OEM Identifiers */
 202 #define MFG10_OEM_ID_INVALID                   (0x00000000)
 203 #define MFG10_OEM_ID_DELL                      (0x00000001)
 204 #define MFG10_OEM_ID_FSC                       (0x00000002)
 205 #define MFG10_OEM_ID_SUN                       (0x00000003)
 206 #define MFG10_OEM_ID_IBM                       (0x00000004)
 207
 208 /* GENERIC Flags 0*/
 209 #define MFG10_GF0_OCE_DISABLED                 (0x00000001)
 210 #define MFG10_GF0_R1E_DRIVE_COUNT              (0x00000002)
 211 #define MFG10_GF0_R10_DISPLAY                  (0x00000004)
 212 #define MFG10_GF0_SSD_DATA_SCRUB_DISABLE       (0x00000008)
 213 #define MFG10_GF0_SINGLE_DRIVE_R0              (0x00000010)
 214
 215 /* OEM Specific Flags will come from OEM specific header files */
 216 typedef struct _MPI2_CONFIG_PAGE_MAN_10 {
 217     MPI2_CONFIG_PAGE_HEADER Header;                                 /* 00h */
 218     U8                      OEMIdentifier;                          /* 04h */
 219     U8                      Reserved1;                              /* 05h */
 220     U16                     Reserved2;                              /* 08h */
 221     U32                     Reserved3;                              /* 0Ch */
 222     U32                     GenericFlags0;                          /* 10h */
 223     U32                     GenericFlags1;                          /* 14h */
 224     U32                     Reserved4;                              /* 18h */
 225     U32                     OEMSpecificFlags0;                      /* 1Ch */
 226     U32                     OEMSpecificFlags1;                      /* 20h */
 227     U32                     Reserved5[18];                          /* 24h-60h*/
 228 } MPI2_CONFIG_PAGE_MAN_10,
 229   MPI2_POINTER PTR_MPI2_CONFIG_PAGE_MAN_10,
 230   Mpi2ManufacturingPage10_t, MPI2_POINTER pMpi2ManufacturingPage10_t;
 231
 232 struct MPT2SAS_DEVICE {
 233         struct MPT2SAS_TARGET *sas_target;
 234         unsigned int    lun;
 235         u32     flags;
 236         u8      configured_lun;
 237         u8      block;
 238         u8      tlr_snoop_check;
 239 };
 240
 241 #define MPT2_CMD_NOT_USED       0x8000  /* free */
 242 #define MPT2_CMD_COMPLETE       0x0001  /* completed */
 243 #define MPT2_CMD_PENDING        0x0002  /* pending */
 244 #define MPT2_CMD_REPLY_VALID    0x0004  /* reply is valid */
 245 #define MPT2_CMD_RESET          0x0008  /* host reset dropped the command */
 246
 247 /**
 248  * struct _internal_cmd - internal commands struct
 249  * @mutex: mutex
 250  * @done: completion
 251  * @reply: reply message pointer
 252  * @status: MPT2_CMD_XXX status
 253  * @smid: system message id
 254  */
 255 struct _internal_cmd {
 256         struct mutex mutex;
 257         struct completion done;
 258         void    *reply;
 259         u16     status;
 260         u16     smid;
 261 };
 262
 263 /*
 264  * SAS Topology Structures
 265  */
 266
 267 #define MPTSAS_STATE_TR_SEND            0x0001
 268 #define MPTSAS_STATE_TR_COMPLETE        0x0002
 269 #define MPTSAS_STATE_CNTRL_SEND         0x0004
 270 #define MPTSAS_STATE_CNTRL_COMPLETE     0x0008
 271
 272 #define MPT2SAS_REQ_SAS_CNTRL           0x0010
 273
 274 /**
 275  * struct _sas_device - attached device information
 276  * @list: sas device list
 277  * @starget: starget object
 278  * @sas_address: device sas address
 279  * @device_name: retrieved from the SAS IDENTIFY frame.
 280  * @handle: device handle
 281  * @parent_handle: handle to parent device
 282  * @enclosure_handle: enclosure handle
 283  * @enclosure_logical_id: enclosure logical identifier
 284  * @volume_handle: volume handle (valid when hidden raid member)
 285  * @volume_wwid: volume unique identifier
 286  * @device_info: bitfield provides detailed info about the device
 287  * @id: target id
 288  * @channel: target channel
 289  * @slot: number number
 290  * @hidden_raid_component: set to 1 when this is a raid member
 291  * @responding: used in _scsih_sas_device_mark_responding
 292  */
 293 struct _sas_device {
 294         struct list_head list;
 295         struct scsi_target *starget;
 296         u64     sas_address;
 297         u64     device_name;
 298         u16     handle;
 299         u16     parent_handle;
 300         u16     enclosure_handle;
 301         u64     enclosure_logical_id;
 302         u16     volume_handle;
 303         u64     volume_wwid;
 304         u32     device_info;
 305         int     id;
 306         int     channel;
 307         u16     slot;
 308         u8      hidden_raid_component;
 309         u8      responding;
 310         u16     state;
 311 };
 312
 313 /**
 314  * struct _raid_device - raid volume link list
 315  * @list: sas device list
 316  * @starget: starget object
 317  * @sdev: scsi device struct (volumes are single lun)
 318  * @wwid: unique identifier for the volume
 319  * @handle: device handle
 320  * @id: target id
 321  * @channel: target channel
 322  * @volume_type: the raid level
 323  * @device_info: bitfield provides detailed info about the hidden components
 324  * @num_pds: number of hidden raid components
 325  * @responding: used in _scsih_raid_device_mark_responding
 326  */
 327 struct _raid_device {
 328         struct list_head list;
 329         struct scsi_target *starget;
 330         struct scsi_device *sdev;
 331         u64     wwid;
 332         u16     handle;
 333         int     id;
 334         int     channel;
 335         u8      volume_type;
 336         u32     device_info;
 337         u8      num_pds;
 338         u8      responding;
 339 };
 340
 341 /**
 342  * struct _boot_device - boot device info
 343  * @is_raid: flag to indicate whether this is volume
 344  * @device: holds pointer for either struct _sas_device or
 345  *     struct _raid_device
 346  */
 347 struct _boot_device {
 348         u8 is_raid;
 349         void *device;
 350 };
 351
 352 /**
 353  * struct _sas_port - wide/narrow sas port information
 354  * @port_list: list of ports belonging to expander
 355  * @handle: device handle for this port
 356  * @sas_address: sas address of this port
 357  * @num_phys: number of phys belonging to this port
 358  * @remote_identify: attached device identification
 359  * @rphy: sas transport rphy object
 360  * @port: sas transport wide/narrow port object
 361  * @phy_list: _sas_phy list objects belonging to this port
 362  */
 363 struct _sas_port {
 364         struct list_head port_list;
 365         u16     handle;
 366         u64     sas_address;
 367         u8      num_phys;
 368         struct sas_identify remote_identify;
 369         struct sas_rphy *rphy;
 370         struct sas_port *port;
 371         struct list_head phy_list;
 372 };
 373
 374 /**
 375  * struct _sas_phy - phy information
 376  * @port_siblings: list of phys belonging to a port
 377  * @identify: phy identification
 378  * @remote_identify: attached device identification
 379  * @phy: sas transport phy object
 380  * @phy_id: unique phy id
 381  * @handle: device handle for this phy
 382  * @attached_handle: device handle for attached device
 383  */
 384 struct _sas_phy {
 385         struct list_head port_siblings;
 386         struct sas_identify identify;
 387         struct sas_identify remote_identify;
 388         struct sas_phy *phy;
 389         u8      phy_id;
 390         u16     handle;
 391         u16     attached_handle;
 392 };
 393
 394 /**
 395  * struct _sas_node - sas_host/expander information
 396  * @list: list of expanders
 397  * @parent_dev: parent device class
 398  * @num_phys: number phys belonging to this sas_host/expander
 399  * @sas_address: sas address of this sas_host/expander
 400  * @handle: handle for this sas_host/expander
 401  * @parent_handle: parent handle
 402  * @enclosure_handle: handle for this a member of an enclosure
 403  * @device_info: bitwise defining capabilities of this sas_host/expander
 404  * @responding: used in _scsih_expander_device_mark_responding
 405  * @phy: a list of phys that make up this sas_host/expander
 406  * @sas_port_list: list of ports attached to this sas_host/expander
 407  */
 408 struct _sas_node {
 409         struct list_head list;
 410         struct device *parent_dev;
 411         u8      num_phys;
 412         u64     sas_address;
 413         u16     handle;
 414         u16     parent_handle;
 415         u16     enclosure_handle;
 416         u64     enclosure_logical_id;
 417         u8      responding;
 418         struct  _sas_phy *phy;
 419         struct list_head sas_port_list;
 420 };
 421
 422 /**
 423  * enum reset_type - reset state
 424  * @FORCE_BIG_HAMMER: issue diagnostic reset
 425  * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
 426  */
 427 enum reset_type {
 428         FORCE_BIG_HAMMER,
 429         SOFT_RESET,
 430 };
 431
 432 /**
 433  * struct request_tracker - firmware request tracker
 434  * @smid: system message id
 435  * @scmd: scsi request pointer
 436  * @cb_idx: callback index
 437  * @chain_list: list of chains associated to this IO
 438  * @tracker_list: list of free request (ioc->free_list)
 439  */
 440 struct request_tracker {
 441         u16     smid;
 442         struct scsi_cmnd *scmd;
 443         u8      cb_idx;
 444         struct list_head tracker_list;
 445 };
 446
 447 /**
 448  * struct _tr_list - target reset list
 449  * @handle: device handle
 450  * @state: state machine
 451  */
 452 struct _tr_list {
 453         struct list_head list;
 454         u16     handle;
 455         u16     state;
 456 };
 457
 458 typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
 459
 460 /**
 461  * struct MPT2SAS_ADAPTER - per adapter struct
 462  * @list: ioc_list
 463  * @shost: shost object
 464  * @id: unique adapter id
 465  * @pci_irq: irq number
 466  * @name: generic ioc string
 467  * @tmp_string: tmp string used for logging
 468  * @pdev: pci pdev object
 469  * @chip: memory mapped register space
 470  * @chip_phys: physical addrss prior to mapping
 471  * @pio_chip: I/O mapped register space
 472  * @logging_level: see mpt2sas_debug.h
 473  * @ir_firmware: IR firmware present
 474  * @bars: bitmask of BAR's that must be configured
 475  * @mask_interrupts: ignore interrupt
 476  * @fault_reset_work_q_name: fw fault work queue
 477  * @fault_reset_work_q: ""
 478  * @fault_reset_work: ""
 479  * @firmware_event_name: fw event work queue
 480  * @firmware_event_thread: ""
 481  * @fw_events_off: flag to turn off fw event handling
 482  * @fw_event_lock:
 483  * @fw_event_list: list of fw events
 484  * @aen_event_read_flag: event log was read
 485  * @broadcast_aen_busy: broadcast aen waiting to be serviced
 486  * @shost_recovery: host reset in progress
 487  * @ioc_reset_in_progress_lock:
 488  * @ioc_link_reset_in_progress: phy/hard reset in progress
 489  * @ignore_loginfos: ignore loginfos during task managment
 490  * @remove_host: flag for when driver unloads, to avoid sending dev resets
 491  * @wait_for_port_enable_to_complete:
 492  * @msix_enable: flag indicating msix is enabled
 493  * @msix_vector_count: number msix vectors
 494  * @msix_table: virt address to the msix table
 495  * @msix_table_backup: backup msix table
 496  * @scsi_io_cb_idx: shost generated commands
 497  * @tm_cb_idx: task management commands
 498  * @transport_cb_idx: transport internal commands
 499  * @ctl_cb_idx: clt internal commands
 500  * @base_cb_idx: base internal commands
 501  * @config_cb_idx: base internal commands
 502  * @base_cmds:
 503  * @transport_cmds:
 504  * @tm_cmds:
 505  * @ctl_cmds:
 506  * @config_cmds:
 507  * @base_add_sg_single: handler for either 32/64 bit sgl's
 508  * @event_type: bits indicating which events to log
 509  * @event_context: unique id for each logged event
 510  * @event_log: event log pointer
 511  * @event_masks: events that are masked
 512  * @facts: static facts data
 513  * @pfacts: static port facts data
 514  * @manu_pg0: static manufacturing page 0
 515  * @manu_pg10: static manufacturing page 10
 516  * @bios_pg2: static bios page 2
 517  * @bios_pg3: static bios page 3
 518  * @ioc_pg8: static ioc page 8
 519  * @iounit_pg0: static iounit page 0
 520  * @iounit_pg1: static iounit page 1
 521  * @sas_hba: sas host object
 522  * @sas_expander_list: expander object list
 523  * @sas_node_lock:
 524  * @sas_device_list: sas device object list
 525  * @sas_device_init_list: sas device object list (used only at init time)
 526  * @sas_device_lock:
 527  * @io_missing_delay: time for IO completed by fw when PDR enabled
 528  * @device_missing_delay: time for device missing by fw when PDR enabled
 529  * @config_page_sz: config page size
 530  * @config_page: reserve memory for config page payload
 531  * @config_page_dma:
 532  * @hba_queue_depth: hba request queue depth
 533  * @sge_size: sg element size for either 32/64 bit
 534  * @scsiio_depth: SCSI_IO queue depth
 535  * @request_sz: per request frame size
 536  * @request: pool of request frames
 537  * @request_dma:
 538  * @request_dma_sz:
 539  * @scsi_lookup: firmware request tracker list
 540  * @scsi_lookup_lock:
 541  * @free_list: free list of request
 542  * @chain: pool of chains
 543  * @pending_io_count:
 544  * @reset_wq:
 545  * @chain_dma:
 546  * @max_sges_in_main_message: number sg elements in main message
 547  * @max_sges_in_chain_message: number sg elements per chain
 548  * @chains_needed_per_io: max chains per io
 549  * @chain_offset_value_for_main_message: location 1st sg in main
 550  * @chain_depth: total chains allocated
 551  * @hi_priority_smid:
 552  * @hi_priority:
 553  * @hi_priority_dma:
 554  * @hi_priority_depth:
 555  * @hpr_lookup:
 556  * @hpr_free_list:
 557  * @internal_smid:
 558  * @internal:
 559  * @internal_dma:
 560  * @internal_depth:
 561  * @internal_lookup:
 562  * @internal_free_list:
 563  * @sense: pool of sense
 564  * @sense_dma:
 565  * @sense_dma_pool:
 566  * @reply_depth: hba reply queue depth:
 567  * @reply_sz: per reply frame size:
 568  * @reply: pool of replys:
 569  * @reply_dma:
 570  * @reply_dma_pool:
 571  * @reply_free_queue_depth: reply free depth
 572  * @reply_free: pool for reply free queue (32 bit addr)
 573  * @reply_free_dma:
 574  * @reply_free_dma_pool:
 575  * @reply_free_host_index: tail index in pool to insert free replys
 576  * @reply_post_queue_depth: reply post queue depth
 577  * @reply_post_free: pool for reply post (64bit descriptor)
 578  * @reply_post_free_dma:
 579  * @reply_post_free_dma_pool:
 580  * @reply_post_host_index: head index in the pool where FW completes IO
 581  */
 582 struct MPT2SAS_ADAPTER {
 583         struct list_head list;
 584         struct Scsi_Host *shost;
 585         u8              id;
 586         u32             pci_irq;
 587         char            name[MPT_NAME_LENGTH];
 588         char            tmp_string[MPT_STRING_LENGTH];
 589         struct pci_dev  *pdev;
 590         Mpi2SystemInterfaceRegs_t __iomem *chip;
 591         unsigned long   chip_phys;
 592         unsigned long   pio_chip;
 593         int             logging_level;
 594         u8              ir_firmware;
 595         int             bars;
 596         u8              mask_interrupts;
 597
 598         /* fw fault handler */
 599         char            fault_reset_work_q_name[20];
 600         struct workqueue_struct *fault_reset_work_q;
 601         struct delayed_work fault_reset_work;
 602
 603         /* fw event handler */
 604         char            firmware_event_name[20];
 605         struct workqueue_struct *firmware_event_thread;
 606         u8              fw_events_off;
 607         spinlock_t      fw_event_lock;
 608         struct list_head fw_event_list;
 609
 610          /* misc flags */
 611         int             aen_event_read_flag;
 612         u8              broadcast_aen_busy;
 613         u8              shost_recovery;
 614         spinlock_t      ioc_reset_in_progress_lock;
 615         u8              ioc_link_reset_in_progress;
 616         u8              ignore_loginfos;
 617         u8              remove_host;
 618         u8              wait_for_port_enable_to_complete;
 619
 620         u8              msix_enable;
 621         u16             msix_vector_count;
 622         u32             *msix_table;
 623         u32             *msix_table_backup;
 624
 625         /* internal commands, callback index */
 626         u8              scsi_io_cb_idx;
 627         u8              tm_cb_idx;
 628         u8              transport_cb_idx;
 629         u8              ctl_cb_idx;
 630         u8              base_cb_idx;
 631         u8              config_cb_idx;
 632         u8              tm_tr_cb_idx;
 633         u8              tm_sas_control_cb_idx;
 634         struct _internal_cmd base_cmds;
 635         struct _internal_cmd transport_cmds;
 636         struct _internal_cmd tm_cmds;
 637         struct _internal_cmd ctl_cmds;
 638         struct _internal_cmd config_cmds;
 639
 640         MPT_ADD_SGE     base_add_sg_single;
 641
 642         /* event log */
 643         u32             event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
 644         u32             event_context;
 645         void            *event_log;
 646         u32             event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
 647
 648         /* static config pages */
 649         Mpi2IOCFactsReply_t facts;
 650         Mpi2PortFactsReply_t *pfacts;
 651         Mpi2ManufacturingPage0_t manu_pg0;
 652         Mpi2BiosPage2_t bios_pg2;
 653         Mpi2BiosPage3_t bios_pg3;
 654         Mpi2IOCPage8_t ioc_pg8;
 655         Mpi2IOUnitPage0_t iounit_pg0;
 656         Mpi2IOUnitPage1_t iounit_pg1;
 657
 658         struct _boot_device req_boot_device;
 659         struct _boot_device req_alt_boot_device;
 660         struct _boot_device current_boot_device;
 661
 662         /* sas hba, expander, and device list */
 663         struct _sas_node sas_hba;
 664         struct list_head sas_expander_list;
 665         spinlock_t      sas_node_lock;
 666         struct list_head sas_device_list;
 667         struct list_head sas_device_init_list;
 668         spinlock_t      sas_device_lock;
 669         struct list_head raid_device_list;
 670         spinlock_t      raid_device_lock;
 671         u8              io_missing_delay;
 672         u16             device_missing_delay;
 673         int             sas_id;
 674
 675         /* config page */
 676         u16             config_page_sz;
 677         void            *config_page;
 678         dma_addr_t      config_page_dma;
 679
 680         /* scsiio request */
 681         u16             hba_queue_depth;
 682         u16             sge_size;
 683         u16             scsiio_depth;
 684         u16             request_sz;
 685         u8              *request;
 686         dma_addr_t      request_dma;
 687         u32             request_dma_sz;
 688         struct request_tracker *scsi_lookup;
 689         spinlock_t scsi_lookup_lock;
 690         struct list_head free_list;
 691         int             pending_io_count;
 692         wait_queue_head_t reset_wq;
 693
 694         /* chain */
 695         u8              *chain;
 696         dma_addr_t      chain_dma;
 697         u16             max_sges_in_main_message;
 698         u16             max_sges_in_chain_message;
 699         u16             chains_needed_per_io;
 700         u16             chain_offset_value_for_main_message;
 701         u16             chain_depth;
 702
 703         /* hi-priority queue */
 704         u16             hi_priority_smid;
 705         u8              *hi_priority;
 706         dma_addr_t      hi_priority_dma;
 707         u16             hi_priority_depth;
 708         struct request_tracker *hpr_lookup;
 709         struct list_head hpr_free_list;
 710
 711         /* internal queue */
 712         u16             internal_smid;
 713         u8              *internal;
 714         dma_addr_t      internal_dma;
 715         u16             internal_depth;
 716         struct request_tracker *internal_lookup;
 717         struct list_head internal_free_list;
 718
 719         /* sense */
 720         u8              *sense;
 721         dma_addr_t      sense_dma;
 722         struct dma_pool *sense_dma_pool;
 723
 724         /* reply */
 725         u16             reply_sz;
 726         u8              *reply;
 727         dma_addr_t      reply_dma;
 728         struct dma_pool *reply_dma_pool;
 729
 730         /* reply free queue */
 731         u16             reply_free_queue_depth;
 732         u32             *reply_free;
 733         dma_addr_t      reply_free_dma;
 734         struct dma_pool *reply_free_dma_pool;
 735         u32             reply_free_host_index;
 736
 737         /* reply post queue */
 738         u16             reply_post_queue_depth;
 739         Mpi2ReplyDescriptorsUnion_t *reply_post_free;
 740         dma_addr_t      reply_post_free_dma;
 741         struct dma_pool *reply_post_free_dma_pool;
 742         u32             reply_post_host_index;
 743
 744         struct list_head delayed_tr_list;
 745
 746         /* diag buffer support */
 747         u8              *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
 748         u32             diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
 749         dma_addr_t      diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
 750         u8              diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
 751         u32             unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
 752         Mpi2ManufacturingPage10_t manu_pg10;
 753         u32             product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
 754         u32             diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
 755 };
 756
 757 typedef u8 (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
 758     u32 reply);
 759
 760
 761 /* base shared API */
 762 extern struct list_head mpt2sas_ioc_list;
 763 void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc);
 764 void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc);
 765
 766 int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
 767 void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);
 768 int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc);
 769 void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc);
 770 int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
 771     enum reset_type type);
 772
 773 void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 774 void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 775 void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr);
 776 dma_addr_t mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc,
 777     u16 smid);
 778
 779 /* hi-priority queue */
 780 u16 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
 781 u16 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx,
 782     struct scsi_cmnd *scmd);
 783
 784 u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
 785 void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 786 void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid,
 787     u16 handle);
 788 void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 789 void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
 790     u16 io_index);
 791 void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 792 void mpt2sas_base_initialize_callback_handler(void);
 793 u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func);
 794 void mpt2sas_base_release_callback_handler(u8 cb_idx);
 795
 796 u8 mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
 797     u32 reply);
 798 void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr);
 799
 800 u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked);
 801
 802 void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code);
 803 int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
 804     Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t
 805     *mpi_request);
 806 int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
 807     Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
 808 void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type);
 809
 810 /* scsih shared API */
 811 u8 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
 812     u32 reply);
 813 void mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
 814     u8 type, u16 smid_task, ulong timeout);
 815 void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
 816 void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
 817 struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc,
 818     u16 handle);
 819 struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
 820     *ioc, u64 sas_address);
 821 struct _sas_device *mpt2sas_scsih_sas_device_find_by_sas_address(
 822     struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
 823
 824 void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
 825
 826 /* config shared API */
 827 u8 mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
 828     u32 reply);
 829 int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys);
 830 int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
 831     Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
 832 int mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
 833     Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page);
 834 int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 835     *mpi_reply, Mpi2BiosPage2_t *config_page);
 836 int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 837     *mpi_reply, Mpi2BiosPage3_t *config_page);
 838 int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 839     *mpi_reply, Mpi2IOUnitPage0_t *config_page);
 840 int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 841     *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle);
 842 int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 843     *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle);
 844 int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 845     *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz);
 846 int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 847     *mpi_reply, Mpi2IOUnitPage1_t *config_page);
 848 int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 849     *mpi_reply, Mpi2IOUnitPage1_t *config_page);
 850 int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 851     *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
 852 int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 853     *mpi_reply, Mpi2IOCPage8_t *config_page);
 854 int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 855     *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle);
 856 int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 857     *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle);
 858 int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 859     *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle);
 860 int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 861     *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
 862 int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 863     *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
 864 int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 865     *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle);
 866 int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds);
 867 int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 868     *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz);
 869 int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
 870     *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
 871     u32 form_specific);
 872 int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
 873     u16 *volume_handle);
 874 int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
 875     u64 *wwid);
 876 /* ctl shared API */
 877 extern struct device_attribute *mpt2sas_host_attrs[];
 878 extern struct device_attribute *mpt2sas_dev_attrs[];
 879 void mpt2sas_ctl_init(void);
 880 void mpt2sas_ctl_exit(void);
 881 u8 mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
 882     u32 reply);
 883 void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
 884 u8 mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
 885     u32 reply);
 886 void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
 887     Mpi2EventNotificationReply_t *mpi_reply);
 888
 889 /* transport shared API */
 890 u8 mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
 891     u32 reply);
 892 struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc,
 893     u16 handle, u16 parent_handle);
 894 void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
 895     u16 parent_handle);
 896 int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
 897     *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
 898 int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
 899     *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev);
 900 void mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc, u16 handle,
 901    u16 attached_handle, u8 phy_number, u8 link_rate);
 902 extern struct sas_function_template mpt2sas_transport_functions;
 903 extern struct scsi_transport_template *mpt2sas_transport_template;
 904 extern int scsi_internal_device_block(struct scsi_device *sdev);
 905 extern u8 mpt2sas_stm_zero_smid_handler(struct MPT2SAS_ADAPTER *ioc,
 906     u8 msix_index, u32 reply);
 907 extern int scsi_internal_device_unblock(struct scsi_device *sdev);
 908
 909 #endif /* MPT2SAS_BASE_H_INCLUDED */