1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * SAS host prototypes and structures header file 4 * 5 * Copyright (C) 2005 Adaptec, Inc. All rights reserved. 6 * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com> 7 */ 8 9 #ifndef _LIBSAS_H_ 10 #define _LIBSAS_H_ 11 12 13 #include <linux/timer.h> 14 #include <linux/pci.h> 15 #include <scsi/sas.h> 16 #include <linux/libata.h> 17 #include <linux/list.h> 18 #include <scsi/scsi_device.h> 19 #include <scsi/scsi_cmnd.h> 20 #include <scsi/scsi_transport_sas.h> 21 #include <linux/scatterlist.h> 22 #include <linux/slab.h> 23 24 struct block_device; 25 26 enum sas_phy_role { 27 PHY_ROLE_NONE = 0, 28 PHY_ROLE_TARGET = 0x40, 29 PHY_ROLE_INITIATOR = 0x80, 30 }; 31 32 /* The events are mnemonically described in sas_dump.c 33 * so when updating/adding events here, please also 34 * update the other file too. 35 */ 36 enum port_event { 37 PORTE_BYTES_DMAED = 0U, 38 PORTE_BROADCAST_RCVD, 39 PORTE_LINK_RESET_ERR, 40 PORTE_TIMER_EVENT, 41 PORTE_HARD_RESET, 42 PORT_NUM_EVENTS, 43 }; 44 45 enum phy_event { 46 PHYE_LOSS_OF_SIGNAL = 0U, 47 PHYE_OOB_DONE, 48 PHYE_OOB_ERROR, 49 PHYE_SPINUP_HOLD, /* hot plug SATA, no COMWAKE sent */ 50 PHYE_RESUME_TIMEOUT, 51 PHYE_SHUTDOWN, 52 PHY_NUM_EVENTS, 53 }; 54 55 enum discover_event { 56 DISCE_DISCOVER_DOMAIN = 0U, 57 DISCE_REVALIDATE_DOMAIN, 58 DISCE_SUSPEND, 59 DISCE_RESUME, 60 DISC_NUM_EVENTS, 61 }; 62 63 /* ---------- Expander Devices ---------- */ 64 65 enum routing_attribute { 66 DIRECT_ROUTING, 67 SUBTRACTIVE_ROUTING, 68 TABLE_ROUTING, 69 }; 70 71 enum ex_phy_state { 72 PHY_EMPTY, 73 PHY_VACANT, 74 PHY_NOT_PRESENT, 75 PHY_DEVICE_DISCOVERED 76 }; 77 78 struct ex_phy { 79 int phy_id; 80 81 enum ex_phy_state phy_state; 82 83 enum sas_device_type attached_dev_type; 84 enum sas_linkrate linkrate; 85 86 u8 attached_sata_host:1; 87 u8 attached_sata_dev:1; 88 u8 attached_sata_ps:1; 89 90 enum sas_protocol attached_tproto; 91 enum sas_protocol attached_iproto; 92 93 u8 attached_sas_addr[SAS_ADDR_SIZE]; 94 u8 attached_phy_id; 95 96 int phy_change_count; 97 enum routing_attribute routing_attr; 98 u8 virtual:1; 99 100 int last_da_index; 101 102 struct sas_phy *phy; 103 struct sas_port *port; 104 }; 105 106 struct expander_device { 107 struct list_head children; 108 109 int ex_change_count; 110 u16 max_route_indexes; 111 u8 num_phys; 112 113 u8 t2t_supp:1; 114 u8 configuring:1; 115 u8 conf_route_table:1; 116 117 u8 enclosure_logical_id[8]; 118 119 struct ex_phy *ex_phy; 120 struct sas_port *parent_port; 121 122 struct mutex cmd_mutex; 123 }; 124 125 /* ---------- SATA device ---------- */ 126 #define ATA_RESP_FIS_SIZE 24 127 128 struct sata_device { 129 unsigned int class; 130 u8 port_no; /* port number, if this is a PM (Port) */ 131 132 struct ata_port *ap; 133 struct ata_host *ata_host; 134 struct smp_rps_resp rps_resp ____cacheline_aligned; /* report_phy_sata_resp */ 135 u8 fis[ATA_RESP_FIS_SIZE]; 136 }; 137 138 struct ssp_device { 139 struct list_head eh_list_node; /* pending a user requested eh action */ 140 struct scsi_lun reset_lun; 141 }; 142 143 enum { 144 SAS_DEV_GONE, 145 SAS_DEV_FOUND, /* device notified to lldd */ 146 SAS_DEV_DESTROY, 147 SAS_DEV_EH_PENDING, 148 SAS_DEV_LU_RESET, 149 SAS_DEV_RESET, 150 }; 151 152 struct domain_device { 153 spinlock_t done_lock; 154 enum sas_device_type dev_type; 155 156 enum sas_linkrate linkrate; 157 enum sas_linkrate min_linkrate; 158 enum sas_linkrate max_linkrate; 159 160 int pathways; 161 162 struct domain_device *parent; 163 struct list_head siblings; /* devices on the same level */ 164 struct asd_sas_port *port; /* shortcut to root of the tree */ 165 struct sas_phy *phy; 166 167 struct list_head dev_list_node; 168 struct list_head disco_list_node; /* awaiting probe or destruct */ 169 170 enum sas_protocol iproto; 171 enum sas_protocol tproto; 172 173 struct sas_rphy *rphy; 174 175 u8 sas_addr[SAS_ADDR_SIZE]; 176 u8 hashed_sas_addr[HASHED_SAS_ADDR_SIZE]; 177 178 u8 frame_rcvd[32]; 179 180 union { 181 struct expander_device ex_dev; 182 struct sata_device sata_dev; /* STP & directly attached */ 183 struct ssp_device ssp_dev; 184 }; 185 186 void *lldd_dev; 187 unsigned long state; 188 struct kref kref; 189 }; 190 191 struct sas_work { 192 struct list_head drain_node; 193 struct work_struct work; 194 }; 195 196 static inline bool dev_is_expander(enum sas_device_type type) 197 { 198 return type == SAS_EDGE_EXPANDER_DEVICE || 199 type == SAS_FANOUT_EXPANDER_DEVICE; 200 } 201 202 static inline bool dev_parent_is_expander(struct domain_device *dev) 203 { 204 if (!dev->parent) 205 return false; 206 207 return dev_is_expander(dev->parent->dev_type); 208 } 209 210 static inline void INIT_SAS_WORK(struct sas_work *sw, void (*fn)(struct work_struct *)) 211 { 212 INIT_WORK(&sw->work, fn); 213 INIT_LIST_HEAD(&sw->drain_node); 214 } 215 216 struct sas_discovery_event { 217 struct sas_work work; 218 struct asd_sas_port *port; 219 }; 220 221 static inline struct sas_discovery_event *to_sas_discovery_event(struct work_struct *work) 222 { 223 struct sas_discovery_event *ev = container_of(work, typeof(*ev), work.work); 224 225 return ev; 226 } 227 228 struct sas_discovery { 229 struct sas_discovery_event disc_work[DISC_NUM_EVENTS]; 230 unsigned long pending; 231 u8 fanout_sas_addr[SAS_ADDR_SIZE]; 232 u8 eeds_a[SAS_ADDR_SIZE]; 233 u8 eeds_b[SAS_ADDR_SIZE]; 234 int max_level; 235 }; 236 237 /* The port struct is Class:RW, driver:RO */ 238 struct asd_sas_port { 239 /* private: */ 240 struct sas_discovery disc; 241 struct domain_device *port_dev; 242 spinlock_t dev_list_lock; 243 struct list_head dev_list; 244 struct list_head disco_list; 245 struct list_head destroy_list; 246 struct list_head sas_port_del_list; 247 enum sas_linkrate linkrate; 248 249 struct sas_work work; 250 int suspended; 251 252 /* public: */ 253 int id; 254 255 u8 sas_addr[SAS_ADDR_SIZE]; 256 u8 attached_sas_addr[SAS_ADDR_SIZE]; 257 enum sas_protocol iproto; 258 enum sas_protocol tproto; 259 260 enum sas_oob_mode oob_mode; 261 262 spinlock_t phy_list_lock; 263 struct list_head phy_list; 264 int num_phys; 265 u32 phy_mask; 266 267 struct sas_ha_struct *ha; 268 269 struct sas_port *port; 270 271 void *lldd_port; /* not touched by the sas class code */ 272 }; 273 274 struct asd_sas_event { 275 struct sas_work work; 276 struct asd_sas_phy *phy; 277 int event; 278 }; 279 280 static inline struct asd_sas_event *to_asd_sas_event(struct work_struct *work) 281 { 282 struct asd_sas_event *ev = container_of(work, typeof(*ev), work.work); 283 284 return ev; 285 } 286 287 static inline void INIT_SAS_EVENT(struct asd_sas_event *ev, 288 void (*fn)(struct work_struct *), 289 struct asd_sas_phy *phy, int event) 290 { 291 INIT_SAS_WORK(&ev->work, fn); 292 ev->phy = phy; 293 ev->event = event; 294 } 295 296 #define SAS_PHY_SHUTDOWN_THRES 1024 297 298 /* The phy pretty much is controlled by the LLDD. 299 * The class only reads those fields. 300 */ 301 struct asd_sas_phy { 302 /* private: */ 303 atomic_t event_nr; 304 int in_shutdown; 305 int error; 306 int suspended; 307 308 struct sas_phy *phy; 309 310 /* public: */ 311 /* The following are class:RO, driver:R/W */ 312 int enabled; /* must be set */ 313 314 int id; /* must be set */ 315 enum sas_protocol iproto; 316 enum sas_protocol tproto; 317 318 enum sas_phy_role role; 319 enum sas_oob_mode oob_mode; 320 enum sas_linkrate linkrate; 321 322 u8 *sas_addr; /* must be set */ 323 u8 attached_sas_addr[SAS_ADDR_SIZE]; /* class:RO, driver: R/W */ 324 325 spinlock_t frame_rcvd_lock; 326 u8 *frame_rcvd; /* must be set */ 327 int frame_rcvd_size; 328 329 spinlock_t sas_prim_lock; 330 u32 sas_prim; 331 332 struct list_head port_phy_el; /* driver:RO */ 333 struct asd_sas_port *port; /* Class:RW, driver: RO */ 334 335 struct sas_ha_struct *ha; /* may be set; the class sets it anyway */ 336 337 void *lldd_phy; /* not touched by the sas_class_code */ 338 }; 339 340 enum sas_ha_state { 341 SAS_HA_REGISTERED, 342 SAS_HA_DRAINING, 343 SAS_HA_ATA_EH_ACTIVE, 344 SAS_HA_FROZEN, 345 SAS_HA_RESUMING, 346 }; 347 348 struct sas_ha_struct { 349 /* private: */ 350 struct list_head defer_q; /* work queued while draining */ 351 struct mutex drain_mutex; 352 unsigned long state; 353 spinlock_t lock; 354 int eh_active; 355 wait_queue_head_t eh_wait_q; 356 struct list_head eh_dev_q; 357 358 struct mutex disco_mutex; 359 360 struct Scsi_Host *shost; 361 362 /* public: */ 363 char *sas_ha_name; 364 struct device *dev; /* should be set */ 365 366 struct workqueue_struct *event_q; 367 struct workqueue_struct *disco_q; 368 369 u8 *sas_addr; /* must be set */ 370 u8 hashed_sas_addr[HASHED_SAS_ADDR_SIZE]; 371 372 spinlock_t phy_port_lock; 373 struct asd_sas_phy **sas_phy; /* array of valid pointers, must be set */ 374 struct asd_sas_port **sas_port; /* array of valid pointers, must be set */ 375 int num_phys; /* must be set, gt 0, static */ 376 377 int strict_wide_ports; /* both sas_addr and attached_sas_addr must match 378 * their siblings when forming wide ports */ 379 380 void *lldd_ha; /* not touched by sas class code */ 381 382 struct list_head eh_done_q; /* complete via scsi_eh_flush_done_q */ 383 struct list_head eh_ata_q; /* scmds to promote from sas to ata eh */ 384 385 int event_thres; 386 }; 387 388 #define SHOST_TO_SAS_HA(_shost) (*(struct sas_ha_struct **)(_shost)->hostdata) 389 390 static inline struct domain_device * 391 starget_to_domain_dev(struct scsi_target *starget) { 392 return starget->hostdata; 393 } 394 395 static inline struct domain_device * 396 sdev_to_domain_dev(struct scsi_device *sdev) { 397 return starget_to_domain_dev(sdev->sdev_target); 398 } 399 400 static inline struct ata_device *sas_to_ata_dev(struct domain_device *dev) 401 { 402 return &dev->sata_dev.ap->link.device[0]; 403 } 404 405 static inline struct domain_device * 406 cmd_to_domain_dev(struct scsi_cmnd *cmd) 407 { 408 return sdev_to_domain_dev(cmd->device); 409 } 410 411 /* Before calling a notify event, LLDD should use this function 412 * when the link is severed (possibly from its tasklet). 413 * The idea is that the Class only reads those, while the LLDD, 414 * can R/W these (thus avoiding a race). 415 */ 416 static inline void sas_phy_disconnected(struct asd_sas_phy *phy) 417 { 418 phy->oob_mode = OOB_NOT_CONNECTED; 419 phy->linkrate = SAS_LINK_RATE_UNKNOWN; 420 } 421 422 static inline unsigned int to_sas_gpio_od(int device, int bit) 423 { 424 return 3 * device + bit; 425 } 426 427 static inline void sas_put_local_phy(struct sas_phy *phy) 428 { 429 put_device(&phy->dev); 430 } 431 432 #ifdef CONFIG_SCSI_SAS_HOST_SMP 433 int try_test_sas_gpio_gp_bit(unsigned int od, u8 *data, u8 index, u8 count); 434 #else 435 static inline int try_test_sas_gpio_gp_bit(unsigned int od, u8 *data, u8 index, u8 count) 436 { 437 return -1; 438 } 439 #endif 440 441 /* ---------- Tasks ---------- */ 442 /* 443 service_response | SAS_TASK_COMPLETE | SAS_TASK_UNDELIVERED | 444 exec_status | | | 445 ---------------------+---------------------+-----------------------+ 446 SAM_... | X | | 447 DEV_NO_RESPONSE | X | X | 448 INTERRUPTED | X | | 449 QUEUE_FULL | | X | 450 DEVICE_UNKNOWN | | X | 451 SG_ERR | | X | 452 ---------------------+---------------------+-----------------------+ 453 */ 454 455 enum service_response { 456 SAS_TASK_COMPLETE, 457 SAS_TASK_UNDELIVERED = -1, 458 }; 459 460 enum exec_status { 461 /* 462 * Values 0..0x7f are used to return the SAM_STAT_* codes. To avoid 463 * 'case value not in enumerated type' compiler warnings every value 464 * returned through the exec_status enum needs an alias with the SAS_ 465 * prefix here. 466 */ 467 SAS_SAM_STAT_GOOD = SAM_STAT_GOOD, 468 SAS_SAM_STAT_BUSY = SAM_STAT_BUSY, 469 SAS_SAM_STAT_TASK_ABORTED = SAM_STAT_TASK_ABORTED, 470 SAS_SAM_STAT_CHECK_CONDITION = SAM_STAT_CHECK_CONDITION, 471 472 SAS_DEV_NO_RESPONSE = 0x80, 473 SAS_DATA_UNDERRUN, 474 SAS_DATA_OVERRUN, 475 SAS_INTERRUPTED, 476 SAS_QUEUE_FULL, 477 SAS_DEVICE_UNKNOWN, 478 SAS_OPEN_REJECT, 479 SAS_OPEN_TO, 480 SAS_PROTO_RESPONSE, 481 SAS_PHY_DOWN, 482 SAS_NAK_R_ERR, 483 SAS_PENDING, 484 SAS_ABORTED_TASK, 485 }; 486 487 /* When a task finishes with a response, the LLDD examines the 488 * response: 489 * - For an ATA task task_status_struct::stat is set to 490 * SAS_PROTO_RESPONSE, and the task_status_struct::buf is set to the 491 * contents of struct ata_task_resp. 492 * - For SSP tasks, if no data is present or status/TMF response 493 * is valid, task_status_struct::stat is set. If data is present 494 * (SENSE data), the LLDD copies up to SAS_STATUS_BUF_SIZE, sets 495 * task_status_struct::buf_valid_size, and task_status_struct::stat is 496 * set to SAM_CHECK_COND. 497 * 498 * "buf" has format SCSI Sense for SSP task, or struct ata_task_resp 499 * for ATA task. 500 * 501 * "frame_len" is the total frame length, which could be more or less 502 * than actually copied. 503 * 504 * Tasks ending with response, always set the residual field. 505 */ 506 struct ata_task_resp { 507 u16 frame_len; 508 u8 ending_fis[ATA_RESP_FIS_SIZE]; /* dev to host or data-in */ 509 }; 510 511 #define SAS_STATUS_BUF_SIZE 96 512 513 struct task_status_struct { 514 enum service_response resp; 515 enum exec_status stat; 516 int buf_valid_size; 517 518 u8 buf[SAS_STATUS_BUF_SIZE]; 519 520 u32 residual; 521 enum sas_open_rej_reason open_rej_reason; 522 }; 523 524 /* ATA and ATAPI task queuable to a SAS LLDD. 525 */ 526 struct sas_ata_task { 527 struct host_to_dev_fis fis; 528 u8 atapi_packet[16]; /* 0 if not ATAPI task */ 529 530 u8 dma_xfer:1; /* PIO:0 or DMA:1 */ 531 u8 use_ncq:1; 532 u8 return_fis_on_success:1; 533 534 u8 device_control_reg_update:1; 535 536 bool force_phy; 537 int force_phy_id; 538 }; 539 540 /* LLDDs rely on these values */ 541 enum sas_internal_abort { 542 SAS_INTERNAL_ABORT_SINGLE = 0, 543 SAS_INTERNAL_ABORT_DEV = 1, 544 }; 545 546 struct sas_internal_abort_task { 547 enum sas_internal_abort type; 548 unsigned int qid; 549 u16 tag; 550 }; 551 552 struct sas_smp_task { 553 struct scatterlist smp_req; 554 struct scatterlist smp_resp; 555 }; 556 557 enum task_attribute { 558 TASK_ATTR_SIMPLE = 0, 559 TASK_ATTR_HOQ = 1, 560 TASK_ATTR_ORDERED= 2, 561 TASK_ATTR_ACA = 4, 562 }; 563 564 struct sas_ssp_task { 565 u8 LUN[8]; 566 enum task_attribute task_attr; 567 struct scsi_cmnd *cmd; 568 }; 569 570 struct sas_tmf_task { 571 u8 tmf; 572 u16 tag_of_task_to_be_managed; 573 }; 574 575 struct sas_task { 576 struct domain_device *dev; 577 578 spinlock_t task_state_lock; 579 unsigned task_state_flags; 580 581 enum sas_protocol task_proto; 582 583 union { 584 struct sas_ata_task ata_task; 585 struct sas_smp_task smp_task; 586 struct sas_ssp_task ssp_task; 587 struct sas_internal_abort_task abort_task; 588 }; 589 590 struct scatterlist *scatter; 591 int num_scatter; 592 u32 total_xfer_len; 593 u8 data_dir:2; /* Use PCI_DMA_... */ 594 595 struct task_status_struct task_status; 596 void (*task_done)(struct sas_task *); 597 598 void *lldd_task; /* for use by LLDDs */ 599 void *uldd_task; 600 struct sas_task_slow *slow_task; 601 struct sas_tmf_task *tmf; 602 }; 603 604 struct sas_task_slow { 605 /* standard/extra infrastructure for slow path commands (SMP and 606 * internal lldd commands 607 */ 608 struct timer_list timer; 609 struct completion completion; 610 struct sas_task *task; 611 }; 612 613 #define SAS_TASK_STATE_PENDING 1 614 #define SAS_TASK_STATE_DONE 2 615 #define SAS_TASK_STATE_ABORTED 4 616 #define SAS_TASK_NEED_DEV_RESET 8 617 618 static inline bool sas_is_internal_abort(struct sas_task *task) 619 { 620 return task->task_proto == SAS_PROTOCOL_INTERNAL_ABORT; 621 } 622 623 static inline struct request *sas_task_find_rq(struct sas_task *task) 624 { 625 struct scsi_cmnd *scmd; 626 627 if (task->task_proto & SAS_PROTOCOL_STP_ALL) { 628 struct ata_queued_cmd *qc = task->uldd_task; 629 630 scmd = qc ? qc->scsicmd : NULL; 631 } else { 632 scmd = task->uldd_task; 633 } 634 635 if (!scmd) 636 return NULL; 637 638 return scsi_cmd_to_rq(scmd); 639 } 640 641 struct sas_domain_function_template { 642 /* The class calls these to notify the LLDD of an event. */ 643 void (*lldd_port_formed)(struct asd_sas_phy *); 644 void (*lldd_port_deformed)(struct asd_sas_phy *); 645 646 /* The class calls these when a device is found or gone. */ 647 int (*lldd_dev_found)(struct domain_device *); 648 void (*lldd_dev_gone)(struct domain_device *); 649 650 int (*lldd_execute_task)(struct sas_task *, gfp_t gfp_flags); 651 652 /* Task Management Functions. Must be called from process context. */ 653 int (*lldd_abort_task)(struct sas_task *); 654 int (*lldd_abort_task_set)(struct domain_device *, u8 *lun); 655 int (*lldd_clear_task_set)(struct domain_device *, u8 *lun); 656 int (*lldd_I_T_nexus_reset)(struct domain_device *); 657 int (*lldd_ata_check_ready)(struct domain_device *); 658 void (*lldd_ata_set_dmamode)(struct domain_device *); 659 int (*lldd_lu_reset)(struct domain_device *, u8 *lun); 660 int (*lldd_query_task)(struct sas_task *); 661 662 /* Special TMF callbacks */ 663 void (*lldd_tmf_exec_complete)(struct domain_device *dev); 664 void (*lldd_tmf_aborted)(struct sas_task *task); 665 bool (*lldd_abort_timeout)(struct sas_task *task, void *data); 666 667 /* Port and Adapter management */ 668 int (*lldd_clear_nexus_port)(struct asd_sas_port *); 669 int (*lldd_clear_nexus_ha)(struct sas_ha_struct *); 670 671 /* Phy management */ 672 int (*lldd_control_phy)(struct asd_sas_phy *, enum phy_func, void *); 673 674 /* GPIO support */ 675 int (*lldd_write_gpio)(struct sas_ha_struct *, u8 reg_type, 676 u8 reg_index, u8 reg_count, u8 *write_data); 677 }; 678 679 extern int sas_register_ha(struct sas_ha_struct *); 680 extern int sas_unregister_ha(struct sas_ha_struct *); 681 extern void sas_prep_resume_ha(struct sas_ha_struct *sas_ha); 682 extern void sas_resume_ha(struct sas_ha_struct *sas_ha); 683 extern void sas_resume_ha_no_sync(struct sas_ha_struct *sas_ha); 684 extern void sas_suspend_ha(struct sas_ha_struct *sas_ha); 685 686 int sas_phy_reset(struct sas_phy *phy, int hard_reset); 687 int sas_phy_enable(struct sas_phy *phy, int enable); 688 extern enum scsi_qc_status sas_queuecommand(struct Scsi_Host *host, 689 struct scsi_cmnd *cmd); 690 extern int sas_target_alloc(struct scsi_target *); 691 int sas_sdev_configure(struct scsi_device *dev, struct queue_limits *lim); 692 extern int sas_change_queue_depth(struct scsi_device *, int new_depth); 693 extern int sas_bios_param(struct scsi_device *, struct gendisk *, 694 sector_t capacity, int *hsc); 695 int sas_execute_internal_abort_single(struct domain_device *device, 696 u16 tag, unsigned int qid, 697 void *data); 698 int sas_execute_internal_abort_dev(struct domain_device *device, 699 unsigned int qid, void *data); 700 extern struct scsi_transport_template * 701 sas_domain_attach_transport(struct sas_domain_function_template *); 702 extern struct device_attribute dev_attr_phy_event_threshold; 703 704 void sas_task_abort(struct sas_task *); 705 int sas_eh_abort_handler(struct scsi_cmnd *cmd); 706 int sas_eh_device_reset_handler(struct scsi_cmnd *cmd); 707 int sas_eh_target_reset_handler(struct scsi_cmnd *cmd); 708 709 extern void sas_target_destroy(struct scsi_target *); 710 extern int sas_sdev_init(struct scsi_device *); 711 extern int sas_ioctl(struct scsi_device *sdev, unsigned int cmd, 712 void __user *arg); 713 extern int sas_drain_work(struct sas_ha_struct *ha); 714 715 extern void sas_ssp_task_response(struct device *dev, struct sas_task *task, 716 struct ssp_response_iu *iu); 717 struct sas_phy *sas_get_local_phy(struct domain_device *dev); 718 719 int sas_request_addr(struct Scsi_Host *shost, u8 *addr); 720 721 int sas_abort_task_set(struct domain_device *dev, u8 *lun); 722 int sas_clear_task_set(struct domain_device *dev, u8 *lun); 723 int sas_lu_reset(struct domain_device *dev, u8 *lun); 724 int sas_query_task(struct sas_task *task, u16 tag); 725 int sas_abort_task(struct sas_task *task, u16 tag); 726 int sas_find_attached_phy_id(struct expander_device *ex_dev, 727 struct domain_device *dev); 728 729 void sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, 730 gfp_t gfp_flags); 731 void sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event, 732 gfp_t gfp_flags); 733 734 #define __LIBSAS_SHT_BASE \ 735 .module = THIS_MODULE, \ 736 .name = DRV_NAME, \ 737 .proc_name = DRV_NAME, \ 738 .queuecommand = sas_queuecommand, \ 739 .dma_need_drain = ata_scsi_dma_need_drain, \ 740 .target_alloc = sas_target_alloc, \ 741 .change_queue_depth = sas_change_queue_depth, \ 742 .bios_param = sas_bios_param, \ 743 .this_id = -1, \ 744 .eh_device_reset_handler = sas_eh_device_reset_handler, \ 745 .eh_target_reset_handler = sas_eh_target_reset_handler, \ 746 .target_destroy = sas_target_destroy, \ 747 .ioctl = sas_ioctl, \ 748 749 #ifdef CONFIG_COMPAT 750 #define _LIBSAS_SHT_BASE __LIBSAS_SHT_BASE \ 751 .compat_ioctl = sas_ioctl, 752 #else 753 #define _LIBSAS_SHT_BASE __LIBSAS_SHT_BASE 754 #endif 755 756 #define LIBSAS_SHT_BASE _LIBSAS_SHT_BASE \ 757 .sdev_configure = sas_sdev_configure, \ 758 .sdev_init = sas_sdev_init, \ 759 760 #define LIBSAS_SHT_BASE_NO_SLAVE_INIT _LIBSAS_SHT_BASE 761 762 763 #endif /* _SASLIB_H_ */ 764