mpt2sas_base.h revision 50d5c60634673a79f8d88564e10345b50fca7378
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 "03.100.03.00" 73#define MPT2SAS_MAJOR_VERSION 03 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 */ 175struct 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 */ 216typedef 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 232struct 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 */ 255struct _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 * @sas_address_parent: sas address of parent expander or sas host 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 */ 293struct _sas_device { 294 struct list_head list; 295 struct scsi_target *starget; 296 u64 sas_address; 297 u64 device_name; 298 u16 handle; 299 u64 sas_address_parent; 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 * @percent_complete: resync percent complete 327 */ 328struct _raid_device { 329 struct list_head list; 330 struct scsi_target *starget; 331 struct scsi_device *sdev; 332 u64 wwid; 333 u16 handle; 334 int id; 335 int channel; 336 u8 volume_type; 337 u32 device_info; 338 u8 num_pds; 339 u8 responding; 340 u8 percent_complete; 341}; 342 343/** 344 * struct _boot_device - boot device info 345 * @is_raid: flag to indicate whether this is volume 346 * @device: holds pointer for either struct _sas_device or 347 * struct _raid_device 348 */ 349struct _boot_device { 350 u8 is_raid; 351 void *device; 352}; 353 354/** 355 * struct _sas_port - wide/narrow sas port information 356 * @port_list: list of ports belonging to expander 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 */ 363struct _sas_port { 364 struct list_head port_list; 365 u8 num_phys; 366 struct sas_identify remote_identify; 367 struct sas_rphy *rphy; 368 struct sas_port *port; 369 struct list_head phy_list; 370}; 371 372/** 373 * struct _sas_phy - phy information 374 * @port_siblings: list of phys belonging to a port 375 * @identify: phy identification 376 * @remote_identify: attached device identification 377 * @phy: sas transport phy object 378 * @phy_id: unique phy id 379 * @handle: device handle for this phy 380 * @attached_handle: device handle for attached device 381 */ 382struct _sas_phy { 383 struct list_head port_siblings; 384 struct sas_identify identify; 385 struct sas_identify remote_identify; 386 struct sas_phy *phy; 387 u8 phy_id; 388 u16 handle; 389 u16 attached_handle; 390}; 391 392/** 393 * struct _sas_node - sas_host/expander information 394 * @list: list of expanders 395 * @parent_dev: parent device class 396 * @num_phys: number phys belonging to this sas_host/expander 397 * @sas_address: sas address of this sas_host/expander 398 * @handle: handle for this sas_host/expander 399 * @sas_address_parent: sas address of parent expander or sas host 400 * @enclosure_handle: handle for this a member of an enclosure 401 * @device_info: bitwise defining capabilities of this sas_host/expander 402 * @responding: used in _scsih_expander_device_mark_responding 403 * @phy: a list of phys that make up this sas_host/expander 404 * @sas_port_list: list of ports attached to this sas_host/expander 405 */ 406struct _sas_node { 407 struct list_head list; 408 struct device *parent_dev; 409 u8 num_phys; 410 u64 sas_address; 411 u16 handle; 412 u64 sas_address_parent; 413 u16 enclosure_handle; 414 u64 enclosure_logical_id; 415 u8 responding; 416 struct _sas_phy *phy; 417 struct list_head sas_port_list; 418}; 419 420/** 421 * enum reset_type - reset state 422 * @FORCE_BIG_HAMMER: issue diagnostic reset 423 * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer 424 */ 425enum reset_type { 426 FORCE_BIG_HAMMER, 427 SOFT_RESET, 428}; 429 430/** 431 * struct request_tracker - firmware request tracker 432 * @smid: system message id 433 * @scmd: scsi request pointer 434 * @cb_idx: callback index 435 * @chain_list: list of chains associated to this IO 436 * @tracker_list: list of free request (ioc->free_list) 437 */ 438struct request_tracker { 439 u16 smid; 440 struct scsi_cmnd *scmd; 441 u8 cb_idx; 442 struct list_head tracker_list; 443}; 444 445/** 446 * struct _tr_list - target reset list 447 * @handle: device handle 448 * @state: state machine 449 */ 450struct _tr_list { 451 struct list_head list; 452 u16 handle; 453 u16 state; 454}; 455 456typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr); 457 458/** 459 * struct MPT2SAS_ADAPTER - per adapter struct 460 * @list: ioc_list 461 * @shost: shost object 462 * @id: unique adapter id 463 * @pci_irq: irq number 464 * @name: generic ioc string 465 * @tmp_string: tmp string used for logging 466 * @pdev: pci pdev object 467 * @chip: memory mapped register space 468 * @chip_phys: physical addrss prior to mapping 469 * @logging_level: see mpt2sas_debug.h 470 * @fwfault_debug: debuging FW timeouts 471 * @ir_firmware: IR firmware present 472 * @bars: bitmask of BAR's that must be configured 473 * @mask_interrupts: ignore interrupt 474 * @fault_reset_work_q_name: fw fault work queue 475 * @fault_reset_work_q: "" 476 * @fault_reset_work: "" 477 * @firmware_event_name: fw event work queue 478 * @firmware_event_thread: "" 479 * @fw_events_off: flag to turn off fw event handling 480 * @fw_event_lock: 481 * @fw_event_list: list of fw events 482 * @aen_event_read_flag: event log was read 483 * @broadcast_aen_busy: broadcast aen waiting to be serviced 484 * @shost_recovery: host reset in progress 485 * @ioc_reset_in_progress_lock: 486 * @ioc_link_reset_in_progress: phy/hard reset in progress 487 * @ignore_loginfos: ignore loginfos during task managment 488 * @remove_host: flag for when driver unloads, to avoid sending dev resets 489 * @wait_for_port_enable_to_complete: 490 * @msix_enable: flag indicating msix is enabled 491 * @msix_vector_count: number msix vectors 492 * @msix_table: virt address to the msix table 493 * @msix_table_backup: backup msix table 494 * @scsi_io_cb_idx: shost generated commands 495 * @tm_cb_idx: task management commands 496 * @scsih_cb_idx: scsih internal commands 497 * @transport_cb_idx: transport internal commands 498 * @ctl_cb_idx: clt internal commands 499 * @base_cb_idx: base internal commands 500 * @config_cb_idx: base internal commands 501 * @base_cmds: 502 * @transport_cmds: 503 * @scsih_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 */ 582struct 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 resource_size_t chip_phys; 592 int logging_level; 593 int fwfault_debug; 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 scsih_cb_idx; 630 u8 ctl_cb_idx; 631 u8 base_cb_idx; 632 u8 config_cb_idx; 633 u8 tm_tr_cb_idx; 634 u8 tm_sas_control_cb_idx; 635 struct _internal_cmd base_cmds; 636 struct _internal_cmd transport_cmds; 637 struct _internal_cmd scsih_cmds; 638 struct _internal_cmd tm_cmds; 639 struct _internal_cmd ctl_cmds; 640 struct _internal_cmd config_cmds; 641 642 MPT_ADD_SGE base_add_sg_single; 643 644 /* event log */ 645 u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS]; 646 u32 event_context; 647 void *event_log; 648 u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS]; 649 650 /* static config pages */ 651 Mpi2IOCFactsReply_t facts; 652 Mpi2PortFactsReply_t *pfacts; 653 Mpi2ManufacturingPage0_t manu_pg0; 654 Mpi2BiosPage2_t bios_pg2; 655 Mpi2BiosPage3_t bios_pg3; 656 Mpi2IOCPage8_t ioc_pg8; 657 Mpi2IOUnitPage0_t iounit_pg0; 658 Mpi2IOUnitPage1_t iounit_pg1; 659 660 struct _boot_device req_boot_device; 661 struct _boot_device req_alt_boot_device; 662 struct _boot_device current_boot_device; 663 664 /* sas hba, expander, and device list */ 665 struct _sas_node sas_hba; 666 struct list_head sas_expander_list; 667 spinlock_t sas_node_lock; 668 struct list_head sas_device_list; 669 struct list_head sas_device_init_list; 670 spinlock_t sas_device_lock; 671 struct list_head raid_device_list; 672 spinlock_t raid_device_lock; 673 u8 io_missing_delay; 674 u16 device_missing_delay; 675 int sas_id; 676 677 /* config page */ 678 u16 config_page_sz; 679 void *config_page; 680 dma_addr_t config_page_dma; 681 682 /* scsiio request */ 683 u16 hba_queue_depth; 684 u16 sge_size; 685 u16 scsiio_depth; 686 u16 request_sz; 687 u8 *request; 688 dma_addr_t request_dma; 689 u32 request_dma_sz; 690 struct request_tracker *scsi_lookup; 691 spinlock_t scsi_lookup_lock; 692 struct list_head free_list; 693 int pending_io_count; 694 wait_queue_head_t reset_wq; 695 696 /* chain */ 697 u8 *chain; 698 dma_addr_t chain_dma; 699 u16 max_sges_in_main_message; 700 u16 max_sges_in_chain_message; 701 u16 chains_needed_per_io; 702 u16 chain_offset_value_for_main_message; 703 u16 chain_depth; 704 705 /* hi-priority queue */ 706 u16 hi_priority_smid; 707 u8 *hi_priority; 708 dma_addr_t hi_priority_dma; 709 u16 hi_priority_depth; 710 struct request_tracker *hpr_lookup; 711 struct list_head hpr_free_list; 712 713 /* internal queue */ 714 u16 internal_smid; 715 u8 *internal; 716 dma_addr_t internal_dma; 717 u16 internal_depth; 718 struct request_tracker *internal_lookup; 719 struct list_head internal_free_list; 720 721 /* sense */ 722 u8 *sense; 723 dma_addr_t sense_dma; 724 struct dma_pool *sense_dma_pool; 725 726 /* reply */ 727 u16 reply_sz; 728 u8 *reply; 729 dma_addr_t reply_dma; 730 struct dma_pool *reply_dma_pool; 731 732 /* reply free queue */ 733 u16 reply_free_queue_depth; 734 u32 *reply_free; 735 dma_addr_t reply_free_dma; 736 struct dma_pool *reply_free_dma_pool; 737 u32 reply_free_host_index; 738 739 /* reply post queue */ 740 u16 reply_post_queue_depth; 741 Mpi2ReplyDescriptorsUnion_t *reply_post_free; 742 dma_addr_t reply_post_free_dma; 743 struct dma_pool *reply_post_free_dma_pool; 744 u32 reply_post_host_index; 745 746 struct list_head delayed_tr_list; 747 748 /* diag buffer support */ 749 u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT]; 750 u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT]; 751 dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT]; 752 u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT]; 753 u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT]; 754 Mpi2ManufacturingPage10_t manu_pg10; 755 u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23]; 756 u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT]; 757}; 758 759typedef u8 (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, 760 u32 reply); 761 762 763/* base shared API */ 764extern struct list_head mpt2sas_ioc_list; 765void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc); 766void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc); 767 768int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc); 769void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc); 770int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc); 771void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc); 772int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, 773 enum reset_type type); 774 775void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid); 776void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid); 777void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr); 778__le32 mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, 779 u16 smid); 780 781/* hi-priority queue */ 782u16 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx); 783u16 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx, 784 struct scsi_cmnd *scmd); 785 786u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx); 787void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid); 788void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, 789 u16 handle); 790void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid); 791void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid, 792 u16 io_index); 793void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid); 794void mpt2sas_base_initialize_callback_handler(void); 795u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func); 796void mpt2sas_base_release_callback_handler(u8 cb_idx); 797 798u8 mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, 799 u32 reply); 800void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr); 801 802u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked); 803 804void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code); 805int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc, 806 Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t 807 *mpi_request); 808int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc, 809 Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request); 810void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type); 811 812void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc); 813 814/* scsih shared API */ 815u8 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, 816 u32 reply); 817void mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun, 818 u8 type, u16 smid_task, ulong timeout); 819void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle); 820void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle); 821struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, 822 u16 handle); 823struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER 824 *ioc, u64 sas_address); 825struct _sas_device *mpt2sas_scsih_sas_device_find_by_sas_address( 826 struct MPT2SAS_ADAPTER *ioc, u64 sas_address); 827 828void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase); 829 830/* config shared API */ 831u8 mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, 832 u32 reply); 833int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys); 834int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc, 835 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page); 836int mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc, 837 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page); 838int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t 839 *mpi_reply, Mpi2BiosPage2_t *config_page); 840int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t 841 *mpi_reply, Mpi2BiosPage3_t *config_page); 842int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t 843 *mpi_reply, Mpi2IOUnitPage0_t *config_page); 844int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t 845 *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle); 846int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t 847 *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle); 848int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t 849 *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz); 850int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t 851 *mpi_reply, Mpi2IOUnitPage1_t *config_page); 852int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t 853 *mpi_reply, Mpi2IOUnitPage1_t *config_page); 854int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t 855 *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz); 856int mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, 857 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz); 858int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t 859 *mpi_reply, Mpi2IOCPage8_t *config_page); 860int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t 861 *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle); 862int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t 863 *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle); 864int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t 865 *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle); 866int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t 867 *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number); 868int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t 869 *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number); 870int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t 871 *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle); 872int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds); 873int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t 874 *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz); 875int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t 876 *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form, 877 u32 form_specific); 878int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle, 879 u16 *volume_handle); 880int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle, 881 u64 *wwid); 882/* ctl shared API */ 883extern struct device_attribute *mpt2sas_host_attrs[]; 884extern struct device_attribute *mpt2sas_dev_attrs[]; 885void mpt2sas_ctl_init(void); 886void mpt2sas_ctl_exit(void); 887u8 mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, 888 u32 reply); 889void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase); 890u8 mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, 891 u32 reply); 892void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc, 893 Mpi2EventNotificationReply_t *mpi_reply); 894 895void mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc, 896 u8 bits_to_regsiter); 897 898/* transport shared API */ 899u8 mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, 900 u32 reply); 901struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc, 902 u16 handle, u64 sas_address); 903void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, 904 u64 sas_address_parent); 905int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy 906 *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev); 907int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy 908 *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev); 909void mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc, 910 u64 sas_address, u16 handle, u8 phy_number, u8 link_rate); 911extern struct sas_function_template mpt2sas_transport_functions; 912extern struct scsi_transport_template *mpt2sas_transport_template; 913extern int scsi_internal_device_block(struct scsi_device *sdev); 914extern u8 mpt2sas_stm_zero_smid_handler(struct MPT2SAS_ADAPTER *ioc, 915 u8 msix_index, u32 reply); 916extern int scsi_internal_device_unblock(struct scsi_device *sdev); 917 918#endif /* MPT2SAS_BASE_H_INCLUDED */ 919