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1 | /* |
2 | * SAS host prototypes and structures header file |
3 | * |
4 | * Copyright (C) 2005 Adaptec, Inc. All rights reserved. |
5 | * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com> |
6 | * |
7 | * This file is licensed under GPLv2. |
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 as |
11 | * published by the Free Software Foundation; either version 2 of the |
12 | * License, or (at your option) any later version. |
13 | * |
14 | * This program is distributed in the hope that it will be useful, but |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
17 | * General Public License for more details. |
18 | * |
19 | * You should have received a copy of the GNU General Public License |
20 | * along with this program; if not, write to the Free Software |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
22 | * USA |
23 | * |
24 | */ |
25 | |
26 | #ifndef _LIBSAS_H_ |
27 | #define _LIBSAS_H_ |
28 | |
29 | |
30 | #include <linux/timer.h> |
31 | #include <linux/pci.h> |
32 | #include <scsi/sas.h> |
33 | #include <linux/libata.h> |
34 | #include <linux/list.h> |
35 | #include <scsi/scsi_device.h> |
36 | #include <scsi/scsi_cmnd.h> |
37 | #include <scsi/scsi_transport_sas.h> |
38 | #include <linux/scatterlist.h> |
39 | #include <linux/slab.h> |
40 | |
41 | struct block_device; |
42 | |
43 | enum sas_class { |
44 | SAS, |
45 | EXPANDER |
46 | }; |
47 | |
48 | enum sas_phy_role { |
49 | PHY_ROLE_NONE = 0, |
50 | PHY_ROLE_TARGET = 0x40, |
51 | PHY_ROLE_INITIATOR = 0x80, |
52 | }; |
53 | |
54 | enum sas_phy_type { |
55 | PHY_TYPE_PHYSICAL, |
56 | PHY_TYPE_VIRTUAL |
57 | }; |
58 | |
59 | /* The events are mnemonically described in sas_dump.c |
60 | * so when updating/adding events here, please also |
61 | * update the other file too. |
62 | */ |
63 | enum ha_event { |
64 | HAE_RESET = 0U, |
65 | HA_NUM_EVENTS = 1, |
66 | }; |
67 | |
68 | enum port_event { |
69 | PORTE_BYTES_DMAED = 0U, |
70 | PORTE_BROADCAST_RCVD = 1, |
71 | PORTE_LINK_RESET_ERR = 2, |
72 | PORTE_TIMER_EVENT = 3, |
73 | PORTE_HARD_RESET = 4, |
74 | PORT_NUM_EVENTS = 5, |
75 | }; |
76 | |
77 | enum phy_event { |
78 | PHYE_LOSS_OF_SIGNAL = 0U, |
79 | PHYE_OOB_DONE = 1, |
80 | PHYE_OOB_ERROR = 2, |
81 | PHYE_SPINUP_HOLD = 3, /* hot plug SATA, no COMWAKE sent */ |
82 | PHY_NUM_EVENTS = 4, |
83 | }; |
84 | |
85 | enum discover_event { |
86 | DISCE_DISCOVER_DOMAIN = 0U, |
87 | DISCE_REVALIDATE_DOMAIN = 1, |
88 | DISCE_PORT_GONE = 2, |
89 | DISC_NUM_EVENTS = 3, |
90 | }; |
91 | |
92 | /* ---------- Expander Devices ---------- */ |
93 | |
94 | #define to_dom_device(_obj) container_of(_obj, struct domain_device, dev_obj) |
95 | #define to_dev_attr(_attr) container_of(_attr, struct domain_dev_attribute,\ |
96 | attr) |
97 | |
98 | enum routing_attribute { |
99 | DIRECT_ROUTING, |
100 | SUBTRACTIVE_ROUTING, |
101 | TABLE_ROUTING, |
102 | }; |
103 | |
104 | enum ex_phy_state { |
105 | PHY_EMPTY, |
106 | PHY_VACANT, |
107 | PHY_NOT_PRESENT, |
108 | PHY_DEVICE_DISCOVERED |
109 | }; |
110 | |
111 | struct ex_phy { |
112 | int phy_id; |
113 | |
114 | enum ex_phy_state phy_state; |
115 | |
116 | enum sas_dev_type attached_dev_type; |
117 | enum sas_linkrate linkrate; |
118 | |
119 | u8 attached_sata_host:1; |
120 | u8 attached_sata_dev:1; |
121 | u8 attached_sata_ps:1; |
122 | |
123 | enum sas_protocol attached_tproto; |
124 | enum sas_protocol attached_iproto; |
125 | |
126 | u8 attached_sas_addr[SAS_ADDR_SIZE]; |
127 | u8 attached_phy_id; |
128 | |
129 | u8 phy_change_count; |
130 | enum routing_attribute routing_attr; |
131 | u8 virtual:1; |
132 | |
133 | int last_da_index; |
134 | |
135 | struct sas_phy *phy; |
136 | struct sas_port *port; |
137 | }; |
138 | |
139 | struct expander_device { |
140 | struct list_head children; |
141 | |
142 | u16 ex_change_count; |
143 | u16 max_route_indexes; |
144 | u8 num_phys; |
145 | u8 configuring:1; |
146 | u8 conf_route_table:1; |
147 | u8 enclosure_logical_id[8]; |
148 | |
149 | struct ex_phy *ex_phy; |
150 | struct sas_port *parent_port; |
151 | }; |
152 | |
153 | /* ---------- SATA device ---------- */ |
154 | enum ata_command_set { |
155 | ATA_COMMAND_SET = 0, |
156 | ATAPI_COMMAND_SET = 1, |
157 | }; |
158 | |
159 | struct sata_device { |
160 | enum ata_command_set command_set; |
161 | struct smp_resp rps_resp; /* report_phy_sata_resp */ |
162 | __le16 *identify_device; |
163 | __le16 *identify_packet_device; |
164 | |
165 | u8 port_no; /* port number, if this is a PM (Port) */ |
166 | struct list_head children; /* PM Ports if this is a PM */ |
167 | |
168 | struct ata_port *ap; |
169 | struct ata_host ata_host; |
170 | struct ata_taskfile tf; |
171 | u32 sstatus; |
172 | u32 serror; |
173 | u32 scontrol; |
174 | }; |
175 | |
176 | /* ---------- Domain device ---------- */ |
177 | struct domain_device { |
178 | enum sas_dev_type dev_type; |
179 | |
180 | enum sas_linkrate linkrate; |
181 | enum sas_linkrate min_linkrate; |
182 | enum sas_linkrate max_linkrate; |
183 | |
184 | int pathways; |
185 | |
186 | struct domain_device *parent; |
187 | struct list_head siblings; /* devices on the same level */ |
188 | struct asd_sas_port *port; /* shortcut to root of the tree */ |
189 | |
190 | struct list_head dev_list_node; |
191 | |
192 | enum sas_protocol iproto; |
193 | enum sas_protocol tproto; |
194 | |
195 | struct sas_rphy *rphy; |
196 | |
197 | u8 sas_addr[SAS_ADDR_SIZE]; |
198 | u8 hashed_sas_addr[HASHED_SAS_ADDR_SIZE]; |
199 | |
200 | u8 frame_rcvd[32]; |
201 | |
202 | union { |
203 | struct expander_device ex_dev; |
204 | struct sata_device sata_dev; /* STP & directly attached */ |
205 | }; |
206 | |
207 | void *lldd_dev; |
208 | }; |
209 | |
210 | struct sas_discovery_event { |
211 | struct work_struct work; |
212 | struct asd_sas_port *port; |
213 | }; |
214 | |
215 | struct sas_discovery { |
216 | spinlock_t disc_event_lock; |
217 | struct sas_discovery_event disc_work[DISC_NUM_EVENTS]; |
218 | unsigned long pending; |
219 | u8 fanout_sas_addr[8]; |
220 | u8 eeds_a[8]; |
221 | u8 eeds_b[8]; |
222 | int max_level; |
223 | }; |
224 | |
225 | |
226 | /* The port struct is Class:RW, driver:RO */ |
227 | struct asd_sas_port { |
228 | /* private: */ |
229 | struct completion port_gone_completion; |
230 | |
231 | struct sas_discovery disc; |
232 | struct domain_device *port_dev; |
233 | spinlock_t dev_list_lock; |
234 | struct list_head dev_list; |
235 | enum sas_linkrate linkrate; |
236 | |
237 | struct sas_phy *phy; |
238 | struct work_struct work; |
239 | |
240 | /* public: */ |
241 | int id; |
242 | |
243 | enum sas_class class; |
244 | u8 sas_addr[SAS_ADDR_SIZE]; |
245 | u8 attached_sas_addr[SAS_ADDR_SIZE]; |
246 | enum sas_protocol iproto; |
247 | enum sas_protocol tproto; |
248 | |
249 | enum sas_oob_mode oob_mode; |
250 | |
251 | spinlock_t phy_list_lock; |
252 | struct list_head phy_list; |
253 | int num_phys; |
254 | u32 phy_mask; |
255 | |
256 | struct sas_ha_struct *ha; |
257 | |
258 | struct sas_port *port; |
259 | |
260 | void *lldd_port; /* not touched by the sas class code */ |
261 | }; |
262 | |
263 | struct asd_sas_event { |
264 | struct work_struct work; |
265 | struct asd_sas_phy *phy; |
266 | }; |
267 | |
268 | /* The phy pretty much is controlled by the LLDD. |
269 | * The class only reads those fields. |
270 | */ |
271 | struct asd_sas_phy { |
272 | /* private: */ |
273 | /* protected by ha->event_lock */ |
274 | struct asd_sas_event port_events[PORT_NUM_EVENTS]; |
275 | struct asd_sas_event phy_events[PHY_NUM_EVENTS]; |
276 | |
277 | unsigned long port_events_pending; |
278 | unsigned long phy_events_pending; |
279 | |
280 | int error; |
281 | |
282 | struct sas_phy *phy; |
283 | |
284 | /* public: */ |
285 | /* The following are class:RO, driver:R/W */ |
286 | int enabled; /* must be set */ |
287 | |
288 | int id; /* must be set */ |
289 | enum sas_class class; |
290 | enum sas_protocol iproto; |
291 | enum sas_protocol tproto; |
292 | |
293 | enum sas_phy_type type; |
294 | enum sas_phy_role role; |
295 | enum sas_oob_mode oob_mode; |
296 | enum sas_linkrate linkrate; |
297 | |
298 | u8 *sas_addr; /* must be set */ |
299 | u8 attached_sas_addr[SAS_ADDR_SIZE]; /* class:RO, driver: R/W */ |
300 | |
301 | spinlock_t frame_rcvd_lock; |
302 | u8 *frame_rcvd; /* must be set */ |
303 | int frame_rcvd_size; |
304 | |
305 | spinlock_t sas_prim_lock; |
306 | u32 sas_prim; |
307 | |
308 | struct list_head port_phy_el; /* driver:RO */ |
309 | struct asd_sas_port *port; /* Class:RW, driver: RO */ |
310 | |
311 | struct sas_ha_struct *ha; /* may be set; the class sets it anyway */ |
312 | |
313 | void *lldd_phy; /* not touched by the sas_class_code */ |
314 | }; |
315 | |
316 | struct scsi_core { |
317 | struct Scsi_Host *shost; |
318 | |
319 | spinlock_t task_queue_lock; |
320 | struct list_head task_queue; |
321 | int task_queue_size; |
322 | |
323 | struct task_struct *queue_thread; |
324 | }; |
325 | |
326 | struct sas_ha_event { |
327 | struct work_struct work; |
328 | struct sas_ha_struct *ha; |
329 | }; |
330 | |
331 | enum sas_ha_state { |
332 | SAS_HA_REGISTERED, |
333 | SAS_HA_UNREGISTERED |
334 | }; |
335 | |
336 | struct sas_ha_struct { |
337 | /* private: */ |
338 | spinlock_t event_lock; |
339 | struct sas_ha_event ha_events[HA_NUM_EVENTS]; |
340 | unsigned long pending; |
341 | |
342 | enum sas_ha_state state; |
343 | spinlock_t state_lock; |
344 | |
345 | struct scsi_core core; |
346 | |
347 | /* public: */ |
348 | char *sas_ha_name; |
349 | struct device *dev; /* should be set */ |
350 | struct module *lldd_module; /* should be set */ |
351 | |
352 | u8 *sas_addr; /* must be set */ |
353 | u8 hashed_sas_addr[HASHED_SAS_ADDR_SIZE]; |
354 | |
355 | spinlock_t phy_port_lock; |
356 | struct asd_sas_phy **sas_phy; /* array of valid pointers, must be set */ |
357 | struct asd_sas_port **sas_port; /* array of valid pointers, must be set */ |
358 | int num_phys; /* must be set, gt 0, static */ |
359 | |
360 | /* The class calls this to send a task for execution. */ |
361 | int lldd_max_execute_num; |
362 | int lldd_queue_size; |
363 | |
364 | /* LLDD calls these to notify the class of an event. */ |
365 | void (*notify_ha_event)(struct sas_ha_struct *, enum ha_event); |
366 | void (*notify_port_event)(struct asd_sas_phy *, enum port_event); |
367 | void (*notify_phy_event)(struct asd_sas_phy *, enum phy_event); |
368 | |
369 | void *lldd_ha; /* not touched by sas class code */ |
370 | |
371 | struct list_head eh_done_q; |
372 | }; |
373 | |
374 | #define SHOST_TO_SAS_HA(_shost) (*(struct sas_ha_struct **)(_shost)->hostdata) |
375 | |
376 | static inline struct domain_device * |
377 | starget_to_domain_dev(struct scsi_target *starget) { |
378 | return starget->hostdata; |
379 | } |
380 | |
381 | static inline struct domain_device * |
382 | sdev_to_domain_dev(struct scsi_device *sdev) { |
383 | return starget_to_domain_dev(sdev->sdev_target); |
384 | } |
385 | |
386 | static inline struct domain_device * |
387 | cmd_to_domain_dev(struct scsi_cmnd *cmd) |
388 | { |
389 | return sdev_to_domain_dev(cmd->device); |
390 | } |
391 | |
392 | void sas_hash_addr(u8 *hashed, const u8 *sas_addr); |
393 | |
394 | /* Before calling a notify event, LLDD should use this function |
395 | * when the link is severed (possibly from its tasklet). |
396 | * The idea is that the Class only reads those, while the LLDD, |
397 | * can R/W these (thus avoiding a race). |
398 | */ |
399 | static inline void sas_phy_disconnected(struct asd_sas_phy *phy) |
400 | { |
401 | phy->oob_mode = OOB_NOT_CONNECTED; |
402 | phy->linkrate = SAS_LINK_RATE_UNKNOWN; |
403 | } |
404 | |
405 | /* ---------- Tasks ---------- */ |
406 | /* |
407 | service_response | SAS_TASK_COMPLETE | SAS_TASK_UNDELIVERED | |
408 | exec_status | | | |
409 | ---------------------+---------------------+-----------------------+ |
410 | SAM_... | X | | |
411 | DEV_NO_RESPONSE | X | X | |
412 | INTERRUPTED | X | | |
413 | QUEUE_FULL | | X | |
414 | DEVICE_UNKNOWN | | X | |
415 | SG_ERR | | X | |
416 | ---------------------+---------------------+-----------------------+ |
417 | */ |
418 | |
419 | enum service_response { |
420 | SAS_TASK_COMPLETE, |
421 | SAS_TASK_UNDELIVERED = -1, |
422 | }; |
423 | |
424 | enum exec_status { |
425 | SAM_GOOD = 0, |
426 | SAM_CHECK_COND = 2, |
427 | SAM_COND_MET = 4, |
428 | SAM_BUSY = 8, |
429 | SAM_INTERMEDIATE = 0x10, |
430 | SAM_IM_COND_MET = 0x12, |
431 | SAM_RESV_CONFLICT= 0x14, |
432 | SAM_TASK_SET_FULL= 0x28, |
433 | SAM_ACA_ACTIVE = 0x30, |
434 | SAM_TASK_ABORTED = 0x40, |
435 | |
436 | SAS_DEV_NO_RESPONSE = 0x80, |
437 | SAS_DATA_UNDERRUN, |
438 | SAS_DATA_OVERRUN, |
439 | SAS_INTERRUPTED, |
440 | SAS_QUEUE_FULL, |
441 | SAS_DEVICE_UNKNOWN, |
442 | SAS_SG_ERR, |
443 | SAS_OPEN_REJECT, |
444 | SAS_OPEN_TO, |
445 | SAS_PROTO_RESPONSE, |
446 | SAS_PHY_DOWN, |
447 | SAS_NAK_R_ERR, |
448 | SAS_PENDING, |
449 | SAS_ABORTED_TASK, |
450 | }; |
451 | |
452 | /* When a task finishes with a response, the LLDD examines the |
453 | * response: |
454 | * - For an ATA task task_status_struct::stat is set to |
455 | * SAS_PROTO_RESPONSE, and the task_status_struct::buf is set to the |
456 | * contents of struct ata_task_resp. |
457 | * - For SSP tasks, if no data is present or status/TMF response |
458 | * is valid, task_status_struct::stat is set. If data is present |
459 | * (SENSE data), the LLDD copies up to SAS_STATUS_BUF_SIZE, sets |
460 | * task_status_struct::buf_valid_size, and task_status_struct::stat is |
461 | * set to SAM_CHECK_COND. |
462 | * |
463 | * "buf" has format SCSI Sense for SSP task, or struct ata_task_resp |
464 | * for ATA task. |
465 | * |
466 | * "frame_len" is the total frame length, which could be more or less |
467 | * than actually copied. |
468 | * |
469 | * Tasks ending with response, always set the residual field. |
470 | */ |
471 | struct ata_task_resp { |
472 | u16 frame_len; |
473 | u8 ending_fis[24]; /* dev to host or data-in */ |
474 | u32 sstatus; |
475 | u32 serror; |
476 | u32 scontrol; |
477 | u32 sactive; |
478 | }; |
479 | |
480 | #define SAS_STATUS_BUF_SIZE 96 |
481 | |
482 | struct task_status_struct { |
483 | enum service_response resp; |
484 | enum exec_status stat; |
485 | int buf_valid_size; |
486 | |
487 | u8 buf[SAS_STATUS_BUF_SIZE]; |
488 | |
489 | u32 residual; |
490 | enum sas_open_rej_reason open_rej_reason; |
491 | }; |
492 | |
493 | /* ATA and ATAPI task queuable to a SAS LLDD. |
494 | */ |
495 | struct sas_ata_task { |
496 | struct host_to_dev_fis fis; |
497 | u8 atapi_packet[16]; /* 0 if not ATAPI task */ |
498 | |
499 | u8 retry_count; /* hardware retry, should be > 0 */ |
500 | |
501 | u8 dma_xfer:1; /* PIO:0 or DMA:1 */ |
502 | u8 use_ncq:1; |
503 | u8 set_affil_pol:1; |
504 | u8 stp_affil_pol:1; |
505 | |
506 | u8 device_control_reg_update:1; |
507 | }; |
508 | |
509 | struct sas_smp_task { |
510 | struct scatterlist smp_req; |
511 | struct scatterlist smp_resp; |
512 | }; |
513 | |
514 | enum task_attribute { |
515 | TASK_ATTR_SIMPLE = 0, |
516 | TASK_ATTR_HOQ = 1, |
517 | TASK_ATTR_ORDERED= 2, |
518 | TASK_ATTR_ACA = 4, |
519 | }; |
520 | |
521 | struct sas_ssp_task { |
522 | u8 retry_count; /* hardware retry, should be > 0 */ |
523 | |
524 | u8 LUN[8]; |
525 | u8 enable_first_burst:1; |
526 | enum task_attribute task_attr; |
527 | u8 task_prio; |
528 | u8 cdb[16]; |
529 | }; |
530 | |
531 | struct sas_task { |
532 | struct domain_device *dev; |
533 | struct list_head list; |
534 | |
535 | spinlock_t task_state_lock; |
536 | unsigned task_state_flags; |
537 | |
538 | enum sas_protocol task_proto; |
539 | |
540 | /* Used by the discovery code. */ |
541 | struct timer_list timer; |
542 | struct completion completion; |
543 | |
544 | union { |
545 | struct sas_ata_task ata_task; |
546 | struct sas_smp_task smp_task; |
547 | struct sas_ssp_task ssp_task; |
548 | }; |
549 | |
550 | struct scatterlist *scatter; |
551 | int num_scatter; |
552 | u32 total_xfer_len; |
553 | u8 data_dir:2; /* Use PCI_DMA_... */ |
554 | |
555 | struct task_status_struct task_status; |
556 | void (*task_done)(struct sas_task *); |
557 | |
558 | void *lldd_task; /* for use by LLDDs */ |
559 | void *uldd_task; |
560 | |
561 | struct work_struct abort_work; |
562 | }; |
563 | |
564 | extern struct kmem_cache *sas_task_cache; |
565 | |
566 | #define SAS_TASK_STATE_PENDING 1 |
567 | #define SAS_TASK_STATE_DONE 2 |
568 | #define SAS_TASK_STATE_ABORTED 4 |
569 | #define SAS_TASK_NEED_DEV_RESET 8 |
570 | #define SAS_TASK_AT_INITIATOR 16 |
571 | |
572 | static inline struct sas_task *sas_alloc_task(gfp_t flags) |
573 | { |
574 | struct sas_task *task = kmem_cache_zalloc(sas_task_cache, flags); |
575 | |
576 | if (task) { |
577 | INIT_LIST_HEAD(&task->list); |
578 | spin_lock_init(&task->task_state_lock); |
579 | task->task_state_flags = SAS_TASK_STATE_PENDING; |
580 | init_timer(&task->timer); |
581 | init_completion(&task->completion); |
582 | } |
583 | |
584 | return task; |
585 | } |
586 | |
587 | static inline void sas_free_task(struct sas_task *task) |
588 | { |
589 | if (task) { |
590 | BUG_ON(!list_empty(&task->list)); |
591 | kmem_cache_free(sas_task_cache, task); |
592 | } |
593 | } |
594 | |
595 | struct sas_domain_function_template { |
596 | /* The class calls these to notify the LLDD of an event. */ |
597 | void (*lldd_port_formed)(struct asd_sas_phy *); |
598 | void (*lldd_port_deformed)(struct asd_sas_phy *); |
599 | |
600 | /* The class calls these when a device is found or gone. */ |
601 | int (*lldd_dev_found)(struct domain_device *); |
602 | void (*lldd_dev_gone)(struct domain_device *); |
603 | |
604 | int (*lldd_execute_task)(struct sas_task *, int num, |
605 | gfp_t gfp_flags); |
606 | |
607 | /* Task Management Functions. Must be called from process context. */ |
608 | int (*lldd_abort_task)(struct sas_task *); |
609 | int (*lldd_abort_task_set)(struct domain_device *, u8 *lun); |
610 | int (*lldd_clear_aca)(struct domain_device *, u8 *lun); |
611 | int (*lldd_clear_task_set)(struct domain_device *, u8 *lun); |
612 | int (*lldd_I_T_nexus_reset)(struct domain_device *); |
613 | int (*lldd_lu_reset)(struct domain_device *, u8 *lun); |
614 | int (*lldd_query_task)(struct sas_task *); |
615 | |
616 | /* Port and Adapter management */ |
617 | int (*lldd_clear_nexus_port)(struct asd_sas_port *); |
618 | int (*lldd_clear_nexus_ha)(struct sas_ha_struct *); |
619 | |
620 | /* Phy management */ |
621 | int (*lldd_control_phy)(struct asd_sas_phy *, enum phy_func, void *); |
622 | }; |
623 | |
624 | extern int sas_register_ha(struct sas_ha_struct *); |
625 | extern int sas_unregister_ha(struct sas_ha_struct *); |
626 | |
627 | int sas_set_phy_speed(struct sas_phy *phy, |
628 | struct sas_phy_linkrates *rates); |
629 | int sas_phy_enable(struct sas_phy *phy, int enabled); |
630 | int sas_phy_reset(struct sas_phy *phy, int hard_reset); |
631 | int sas_queue_up(struct sas_task *task); |
632 | extern int sas_queuecommand(struct scsi_cmnd *, |
633 | void (*scsi_done)(struct scsi_cmnd *)); |
634 | extern int sas_target_alloc(struct scsi_target *); |
635 | extern int sas_slave_alloc(struct scsi_device *); |
636 | extern int sas_slave_configure(struct scsi_device *); |
637 | extern void sas_slave_destroy(struct scsi_device *); |
638 | extern int sas_change_queue_depth(struct scsi_device *, int new_depth, |
639 | int reason); |
640 | extern int sas_change_queue_type(struct scsi_device *, int qt); |
641 | extern int sas_bios_param(struct scsi_device *, |
642 | struct block_device *, |
643 | sector_t capacity, int *hsc); |
644 | extern struct scsi_transport_template * |
645 | sas_domain_attach_transport(struct sas_domain_function_template *); |
646 | extern void sas_domain_release_transport(struct scsi_transport_template *); |
647 | |
648 | int sas_discover_root_expander(struct domain_device *); |
649 | |
650 | void sas_init_ex_attr(void); |
651 | |
652 | int sas_ex_revalidate_domain(struct domain_device *); |
653 | |
654 | void sas_unregister_domain_devices(struct asd_sas_port *port); |
655 | void sas_init_disc(struct sas_discovery *disc, struct asd_sas_port *); |
656 | int sas_discover_event(struct asd_sas_port *, enum discover_event ev); |
657 | |
658 | int sas_discover_sata(struct domain_device *); |
659 | int sas_discover_end_dev(struct domain_device *); |
660 | |
661 | void sas_unregister_dev(struct domain_device *); |
662 | |
663 | void sas_init_dev(struct domain_device *); |
664 | |
665 | void sas_task_abort(struct sas_task *); |
666 | int __sas_task_abort(struct sas_task *); |
667 | int sas_eh_device_reset_handler(struct scsi_cmnd *cmd); |
668 | int sas_eh_bus_reset_handler(struct scsi_cmnd *cmd); |
669 | |
670 | extern void sas_target_destroy(struct scsi_target *); |
671 | extern int sas_slave_alloc(struct scsi_device *); |
672 | extern int sas_ioctl(struct scsi_device *sdev, int cmd, void __user *arg); |
673 | |
674 | extern int sas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, |
675 | struct request *req); |
676 | |
677 | extern void sas_ssp_task_response(struct device *dev, struct sas_task *task, |
678 | struct ssp_response_iu *iu); |
679 | struct sas_phy *sas_find_local_phy(struct domain_device *dev); |
680 | |
681 | int sas_request_addr(struct Scsi_Host *shost, u8 *addr); |
682 | |
683 | #endif /* _SASLIB_H_ */ |
684 |
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javiroman/ks7010
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9