Commit | Line | Data |
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2545bca0 MD |
1 | /*- |
2 | * FreeBSD/CAM specific routines for LSI '909 FC adapters. | |
3 | * FreeBSD Version. | |
4 | * | |
5 | * Copyright (c) 2000, 2001 by Greg Ansley | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * 1. Redistributions of source code must retain the above copyright | |
11 | * notice immediately at the beginning of the file, without modification, | |
12 | * this list of conditions, and the following disclaimer. | |
13 | * 2. The name of the author may not be used to endorse or promote products | |
14 | * derived from this software without specific prior written permission. | |
15 | * | |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR | |
20 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
26 | * SUCH DAMAGE. | |
27 | */ | |
28 | /*- | |
29 | * Copyright (c) 2002, 2006 by Matthew Jacob | |
30 | * All rights reserved. | |
31 | * | |
32 | * Redistribution and use in source and binary forms, with or without | |
33 | * modification, are permitted provided that the following conditions are | |
34 | * met: | |
35 | * 1. Redistributions of source code must retain the above copyright | |
36 | * notice, this list of conditions and the following disclaimer. | |
37 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | |
38 | * substantially similar to the "NO WARRANTY" disclaimer below | |
39 | * ("Disclaimer") and any redistribution must be conditioned upon including | |
40 | * a substantially similar Disclaimer requirement for further binary | |
41 | * redistribution. | |
42 | * 3. Neither the names of the above listed copyright holders nor the names | |
43 | * of any contributors may be used to endorse or promote products derived | |
44 | * from this software without specific prior written permission. | |
45 | * | |
46 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
47 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
48 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
49 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
50 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
51 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
52 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
53 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
54 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
55 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT | |
56 | * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
57 | * | |
58 | * Support from Chris Ellsworth in order to make SAS adapters work | |
59 | * is gratefully acknowledged. | |
60 | * | |
61 | * Support from LSI-Logic has also gone a great deal toward making this a | |
62 | * workable subsystem and is gratefully acknowledged. | |
63 | */ | |
64 | /*- | |
65 | * Copyright (c) 2004, Avid Technology, Inc. and its contributors. | |
66 | * Copyright (c) 2005, WHEEL Sp. z o.o. | |
67 | * Copyright (c) 2004, 2005 Justin T. Gibbs | |
68 | * All rights reserved. | |
69 | * | |
70 | * Redistribution and use in source and binary forms, with or without | |
71 | * modification, are permitted provided that the following conditions are | |
72 | * met: | |
73 | * 1. Redistributions of source code must retain the above copyright | |
74 | * notice, this list of conditions and the following disclaimer. | |
75 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | |
76 | * substantially similar to the "NO WARRANTY" disclaimer below | |
77 | * ("Disclaimer") and any redistribution must be conditioned upon including | |
78 | * a substantially similar Disclaimer requirement for further binary | |
79 | * redistribution. | |
80 | * 3. Neither the names of the above listed copyright holders nor the names | |
81 | * of any contributors may be used to endorse or promote products derived | |
82 | * from this software without specific prior written permission. | |
83 | * | |
84 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
85 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
86 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
87 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
88 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
89 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
90 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
91 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
92 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
93 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT | |
94 | * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
32af04f7 | 95 | * |
4c42baf4 | 96 | * $FreeBSD: src/sys/dev/mpt/mpt_cam.c,v 1.84 2012/02/11 12:03:44 marius Exp $ |
2545bca0 | 97 | */ |
2545bca0 | 98 | |
cec957e9 MD |
99 | #include <bus/cam/cam.h> |
100 | #include <bus/cam/cam_ccb.h> | |
101 | #include <bus/cam/cam_xpt.h> | |
102 | #include <bus/cam/cam_xpt_periph.h> | |
103 | ||
2545bca0 MD |
104 | #include <dev/disk/mpt/mpt.h> |
105 | #include <dev/disk/mpt/mpt_cam.h> | |
106 | #include <dev/disk/mpt/mpt_raid.h> | |
107 | ||
108 | #include "dev/disk/mpt/mpilib/mpi_ioc.h" /* XXX Fix Event Handling!!! */ | |
109 | #include "dev/disk/mpt/mpilib/mpi_init.h" | |
110 | #include "dev/disk/mpt/mpilib/mpi_targ.h" | |
111 | #include "dev/disk/mpt/mpilib/mpi_fc.h" | |
112 | #include "dev/disk/mpt/mpilib/mpi_sas.h" | |
2545bca0 MD |
113 | #include <sys/callout.h> |
114 | #include <sys/kthread.h> | |
f582582c | 115 | #include <sys/sysctl.h> |
2545bca0 | 116 | |
2545bca0 MD |
117 | static void mpt_poll(struct cam_sim *); |
118 | static timeout_t mpt_timeout; | |
119 | static void mpt_action(struct cam_sim *, union ccb *); | |
120 | static int | |
121 | mpt_get_spi_settings(struct mpt_softc *, struct ccb_trans_settings *); | |
122 | static void mpt_setwidth(struct mpt_softc *, int, int); | |
123 | static void mpt_setsync(struct mpt_softc *, int, int, int); | |
124 | static int mpt_update_spi_config(struct mpt_softc *, int); | |
2545bca0 MD |
125 | |
126 | static mpt_reply_handler_t mpt_scsi_reply_handler; | |
127 | static mpt_reply_handler_t mpt_scsi_tmf_reply_handler; | |
128 | static mpt_reply_handler_t mpt_fc_els_reply_handler; | |
129 | static int mpt_scsi_reply_frame_handler(struct mpt_softc *, request_t *, | |
130 | MSG_DEFAULT_REPLY *); | |
131 | static int mpt_bus_reset(struct mpt_softc *, target_id_t, lun_id_t, int); | |
132 | static int mpt_fc_reset_link(struct mpt_softc *, int); | |
133 | ||
134 | static int mpt_spawn_recovery_thread(struct mpt_softc *mpt); | |
135 | static void mpt_terminate_recovery_thread(struct mpt_softc *mpt); | |
136 | static void mpt_recovery_thread(void *arg); | |
137 | static void mpt_recover_commands(struct mpt_softc *mpt); | |
138 | ||
139 | static int mpt_scsi_send_tmf(struct mpt_softc *, u_int, u_int, u_int, | |
140 | u_int, u_int, u_int, int); | |
141 | ||
142 | static void mpt_fc_post_els(struct mpt_softc *mpt, request_t *, int); | |
143 | static void mpt_post_target_command(struct mpt_softc *, request_t *, int); | |
144 | static int mpt_add_els_buffers(struct mpt_softc *mpt); | |
145 | static int mpt_add_target_commands(struct mpt_softc *mpt); | |
146 | static int mpt_enable_lun(struct mpt_softc *, target_id_t, lun_id_t); | |
147 | static int mpt_disable_lun(struct mpt_softc *, target_id_t, lun_id_t); | |
148 | static void mpt_target_start_io(struct mpt_softc *, union ccb *); | |
149 | static cam_status mpt_abort_target_ccb(struct mpt_softc *, union ccb *); | |
150 | static int mpt_abort_target_cmd(struct mpt_softc *, request_t *); | |
151 | static void mpt_scsi_tgt_status(struct mpt_softc *, union ccb *, request_t *, | |
152 | uint8_t, uint8_t const *); | |
153 | static void | |
154 | mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *, request_t *, mpt_task_mgmt_t, | |
155 | tgt_resource_t *, int); | |
156 | static void mpt_tgt_dump_tgt_state(struct mpt_softc *, request_t *); | |
157 | static void mpt_tgt_dump_req_state(struct mpt_softc *, request_t *); | |
158 | static mpt_reply_handler_t mpt_scsi_tgt_reply_handler; | |
159 | static mpt_reply_handler_t mpt_sata_pass_reply_handler; | |
160 | ||
161 | static uint32_t scsi_io_handler_id = MPT_HANDLER_ID_NONE; | |
162 | static uint32_t scsi_tmf_handler_id = MPT_HANDLER_ID_NONE; | |
163 | static uint32_t fc_els_handler_id = MPT_HANDLER_ID_NONE; | |
164 | static uint32_t sata_pass_handler_id = MPT_HANDLER_ID_NONE; | |
165 | ||
166 | static mpt_probe_handler_t mpt_cam_probe; | |
167 | static mpt_attach_handler_t mpt_cam_attach; | |
168 | static mpt_enable_handler_t mpt_cam_enable; | |
169 | static mpt_ready_handler_t mpt_cam_ready; | |
170 | static mpt_event_handler_t mpt_cam_event; | |
171 | static mpt_reset_handler_t mpt_cam_ioc_reset; | |
172 | static mpt_detach_handler_t mpt_cam_detach; | |
173 | ||
174 | static struct mpt_personality mpt_cam_personality = | |
175 | { | |
176 | .name = "mpt_cam", | |
177 | .probe = mpt_cam_probe, | |
178 | .attach = mpt_cam_attach, | |
179 | .enable = mpt_cam_enable, | |
180 | .ready = mpt_cam_ready, | |
181 | .event = mpt_cam_event, | |
182 | .reset = mpt_cam_ioc_reset, | |
183 | .detach = mpt_cam_detach, | |
184 | }; | |
185 | ||
186 | DECLARE_MPT_PERSONALITY(mpt_cam, SI_ORDER_SECOND); | |
187 | MODULE_DEPEND(mpt_cam, cam, 1, 1, 1); | |
188 | ||
189 | int mpt_enable_sata_wc = -1; | |
190 | TUNABLE_INT("hw.mpt.enable_sata_wc", &mpt_enable_sata_wc); | |
191 | ||
4c42baf4 | 192 | static int |
2545bca0 MD |
193 | mpt_cam_probe(struct mpt_softc *mpt) |
194 | { | |
195 | int role; | |
196 | ||
197 | /* | |
198 | * Only attach to nodes that support the initiator or target role | |
199 | * (or want to) or have RAID physical devices that need CAM pass-thru | |
200 | * support. | |
201 | */ | |
202 | if (mpt->do_cfg_role) { | |
203 | role = mpt->cfg_role; | |
204 | } else { | |
205 | role = mpt->role; | |
206 | } | |
207 | if ((role & (MPT_ROLE_TARGET|MPT_ROLE_INITIATOR)) != 0 || | |
208 | (mpt->ioc_page2 != NULL && mpt->ioc_page2->MaxPhysDisks != 0)) { | |
209 | return (0); | |
210 | } | |
211 | return (ENODEV); | |
212 | } | |
213 | ||
4c42baf4 | 214 | static int |
2545bca0 MD |
215 | mpt_cam_attach(struct mpt_softc *mpt) |
216 | { | |
217 | struct cam_devq *devq; | |
218 | mpt_handler_t handler; | |
219 | int maxq; | |
220 | int error; | |
221 | ||
222 | MPT_LOCK(mpt); | |
223 | TAILQ_INIT(&mpt->request_timeout_list); | |
224 | maxq = (mpt->ioc_facts.GlobalCredits < MPT_MAX_REQUESTS(mpt))? | |
225 | mpt->ioc_facts.GlobalCredits : MPT_MAX_REQUESTS(mpt); | |
226 | ||
227 | handler.reply_handler = mpt_scsi_reply_handler; | |
228 | error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, | |
229 | &scsi_io_handler_id); | |
230 | if (error != 0) { | |
231 | MPT_UNLOCK(mpt); | |
232 | goto cleanup; | |
233 | } | |
234 | ||
235 | handler.reply_handler = mpt_scsi_tmf_reply_handler; | |
236 | error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, | |
237 | &scsi_tmf_handler_id); | |
238 | if (error != 0) { | |
239 | MPT_UNLOCK(mpt); | |
240 | goto cleanup; | |
241 | } | |
242 | ||
243 | /* | |
244 | * If we're fibre channel and could support target mode, we register | |
245 | * an ELS reply handler and give it resources. | |
246 | */ | |
247 | if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) { | |
248 | handler.reply_handler = mpt_fc_els_reply_handler; | |
249 | error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, | |
250 | &fc_els_handler_id); | |
251 | if (error != 0) { | |
252 | MPT_UNLOCK(mpt); | |
253 | goto cleanup; | |
254 | } | |
255 | if (mpt_add_els_buffers(mpt) == FALSE) { | |
256 | error = ENOMEM; | |
257 | MPT_UNLOCK(mpt); | |
258 | goto cleanup; | |
259 | } | |
260 | maxq -= mpt->els_cmds_allocated; | |
261 | } | |
262 | ||
263 | /* | |
264 | * If we support target mode, we register a reply handler for it, | |
265 | * but don't add command resources until we actually enable target | |
266 | * mode. | |
267 | */ | |
268 | if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) { | |
269 | handler.reply_handler = mpt_scsi_tgt_reply_handler; | |
270 | error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, | |
271 | &mpt->scsi_tgt_handler_id); | |
272 | if (error != 0) { | |
273 | MPT_UNLOCK(mpt); | |
274 | goto cleanup; | |
275 | } | |
276 | } | |
277 | ||
278 | if (mpt->is_sas) { | |
279 | handler.reply_handler = mpt_sata_pass_reply_handler; | |
280 | error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, | |
281 | &sata_pass_handler_id); | |
282 | if (error != 0) { | |
283 | MPT_UNLOCK(mpt); | |
284 | goto cleanup; | |
285 | } | |
286 | } | |
287 | ||
288 | /* | |
289 | * We keep one request reserved for timeout TMF requests. | |
290 | */ | |
291 | mpt->tmf_req = mpt_get_request(mpt, FALSE); | |
292 | if (mpt->tmf_req == NULL) { | |
293 | mpt_prt(mpt, "Unable to allocate dedicated TMF request!\n"); | |
294 | error = ENOMEM; | |
295 | MPT_UNLOCK(mpt); | |
296 | goto cleanup; | |
297 | } | |
298 | ||
299 | /* | |
300 | * Mark the request as free even though not on the free list. | |
301 | * There is only one TMF request allowed to be outstanding at | |
302 | * a time and the TMF routines perform their own allocation | |
303 | * tracking using the standard state flags. | |
304 | */ | |
305 | mpt->tmf_req->state = REQ_STATE_FREE; | |
306 | maxq--; | |
307 | ||
308 | /* | |
309 | * The rest of this is CAM foo, for which we need to drop our lock | |
310 | */ | |
311 | MPT_UNLOCK(mpt); | |
312 | ||
313 | if (mpt_spawn_recovery_thread(mpt) != 0) { | |
314 | mpt_prt(mpt, "Unable to spawn recovery thread!\n"); | |
315 | error = ENOMEM; | |
316 | goto cleanup; | |
317 | } | |
318 | ||
319 | /* | |
320 | * Create the device queue for our SIM(s). | |
321 | */ | |
322 | devq = cam_simq_alloc(maxq); | |
323 | if (devq == NULL) { | |
324 | mpt_prt(mpt, "Unable to allocate CAM SIMQ!\n"); | |
325 | error = ENOMEM; | |
326 | goto cleanup; | |
327 | } | |
328 | ||
329 | /* | |
330 | * Construct our SIM entry. | |
331 | */ | |
332 | mpt->sim = | |
333 | mpt_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 1, maxq, devq); | |
334 | if (mpt->sim == NULL) { | |
335 | mpt_prt(mpt, "Unable to allocate CAM SIM!\n"); | |
336 | cam_devq_release(devq); | |
337 | error = ENOMEM; | |
338 | goto cleanup; | |
339 | } | |
340 | ||
341 | /* | |
342 | * Register exactly this bus. | |
343 | */ | |
344 | MPT_LOCK(mpt); | |
f582582c | 345 | if (xpt_bus_register(mpt->sim, 0) != CAM_SUCCESS) { |
2545bca0 MD |
346 | mpt_prt(mpt, "Bus registration Failed!\n"); |
347 | error = ENOMEM; | |
348 | MPT_UNLOCK(mpt); | |
349 | goto cleanup; | |
350 | } | |
351 | ||
352 | if (xpt_create_path(&mpt->path, NULL, cam_sim_path(mpt->sim), | |
353 | CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { | |
354 | mpt_prt(mpt, "Unable to allocate Path!\n"); | |
355 | error = ENOMEM; | |
356 | MPT_UNLOCK(mpt); | |
357 | goto cleanup; | |
358 | } | |
359 | MPT_UNLOCK(mpt); | |
360 | ||
361 | /* | |
362 | * Only register a second bus for RAID physical | |
363 | * devices if the controller supports RAID. | |
364 | */ | |
365 | if (mpt->ioc_page2 == NULL || mpt->ioc_page2->MaxPhysDisks == 0) { | |
366 | return (0); | |
367 | } | |
368 | ||
369 | /* | |
370 | * Create a "bus" to export all hidden disks to CAM. | |
371 | */ | |
372 | mpt->phydisk_sim = | |
373 | mpt_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 1, maxq, devq); | |
374 | if (mpt->phydisk_sim == NULL) { | |
375 | mpt_prt(mpt, "Unable to allocate Physical Disk CAM SIM!\n"); | |
376 | error = ENOMEM; | |
377 | goto cleanup; | |
378 | } | |
379 | ||
380 | /* | |
381 | * Register this bus. | |
382 | */ | |
383 | MPT_LOCK(mpt); | |
f582582c | 384 | if (xpt_bus_register(mpt->phydisk_sim, 1) != |
2545bca0 MD |
385 | CAM_SUCCESS) { |
386 | mpt_prt(mpt, "Physical Disk Bus registration Failed!\n"); | |
387 | error = ENOMEM; | |
388 | MPT_UNLOCK(mpt); | |
389 | goto cleanup; | |
390 | } | |
391 | ||
392 | if (xpt_create_path(&mpt->phydisk_path, NULL, | |
393 | cam_sim_path(mpt->phydisk_sim), | |
394 | CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { | |
395 | mpt_prt(mpt, "Unable to allocate Physical Disk Path!\n"); | |
396 | error = ENOMEM; | |
397 | MPT_UNLOCK(mpt); | |
398 | goto cleanup; | |
399 | } | |
400 | MPT_UNLOCK(mpt); | |
401 | mpt_lprt(mpt, MPT_PRT_DEBUG, "attached cam\n"); | |
402 | return (0); | |
403 | ||
404 | cleanup: | |
405 | mpt_cam_detach(mpt); | |
406 | return (error); | |
407 | } | |
408 | ||
409 | /* | |
410 | * Read FC configuration information | |
411 | */ | |
412 | static int | |
413 | mpt_read_config_info_fc(struct mpt_softc *mpt) | |
414 | { | |
26595b18 SW |
415 | struct sysctl_ctx_list *ctx; |
416 | struct sysctl_oid *tree; | |
2545bca0 MD |
417 | char *topology = NULL; |
418 | int rv; | |
419 | ||
420 | rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 0, | |
421 | 0, &mpt->mpt_fcport_page0.Header, FALSE, 5000); | |
422 | if (rv) { | |
423 | return (-1); | |
424 | } | |
425 | mpt_lprt(mpt, MPT_PRT_DEBUG, "FC Port Page 0 Header: %x %x %x %x\n", | |
426 | mpt->mpt_fcport_page0.Header.PageVersion, | |
427 | mpt->mpt_fcport_page0.Header.PageLength, | |
428 | mpt->mpt_fcport_page0.Header.PageNumber, | |
429 | mpt->mpt_fcport_page0.Header.PageType); | |
430 | ||
431 | ||
432 | rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_fcport_page0.Header, | |
433 | sizeof(mpt->mpt_fcport_page0), FALSE, 5000); | |
434 | if (rv) { | |
435 | mpt_prt(mpt, "failed to read FC Port Page 0\n"); | |
436 | return (-1); | |
437 | } | |
438 | mpt2host_config_page_fc_port_0(&mpt->mpt_fcport_page0); | |
439 | ||
440 | mpt->mpt_fcport_speed = mpt->mpt_fcport_page0.CurrentSpeed; | |
441 | ||
442 | switch (mpt->mpt_fcport_page0.Flags & | |
443 | MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK) { | |
444 | case MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT: | |
445 | mpt->mpt_fcport_speed = 0; | |
446 | topology = "<NO LOOP>"; | |
447 | break; | |
448 | case MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT: | |
449 | topology = "N-Port"; | |
450 | break; | |
451 | case MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP: | |
452 | topology = "NL-Port"; | |
453 | break; | |
454 | case MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT: | |
455 | topology = "F-Port"; | |
456 | break; | |
457 | case MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP: | |
458 | topology = "FL-Port"; | |
459 | break; | |
460 | default: | |
461 | mpt->mpt_fcport_speed = 0; | |
462 | topology = "?"; | |
463 | break; | |
464 | } | |
465 | ||
466 | mpt_lprt(mpt, MPT_PRT_INFO, | |
467 | "FC Port Page 0: Topology <%s> WWNN 0x%08x%08x WWPN 0x%08x%08x " | |
468 | "Speed %u-Gbit\n", topology, | |
6d259fc1 SW |
469 | mpt->mpt_fcport_page0.WWNN.High, |
470 | mpt->mpt_fcport_page0.WWNN.Low, | |
471 | mpt->mpt_fcport_page0.WWPN.High, | |
472 | mpt->mpt_fcport_page0.WWPN.Low, | |
473 | mpt->mpt_fcport_speed); | |
2545bca0 | 474 | MPT_UNLOCK(mpt); |
26595b18 SW |
475 | ctx = device_get_sysctl_ctx(mpt->dev); |
476 | tree = device_get_sysctl_tree(mpt->dev); | |
477 | ||
478 | ksnprintf(mpt->scinfo.fc.wwnn, | |
479 | sizeof (mpt->scinfo.fc.wwnn), "0x%08x%08x", | |
480 | mpt->mpt_fcport_page0.WWNN.High, | |
481 | mpt->mpt_fcport_page0.WWNN.Low); | |
482 | ||
483 | ksnprintf(mpt->scinfo.fc.wwpn, | |
484 | sizeof (mpt->scinfo.fc.wwpn), "0x%08x%08x", | |
485 | mpt->mpt_fcport_page0.WWPN.High, | |
486 | mpt->mpt_fcport_page0.WWPN.Low); | |
487 | ||
488 | SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, | |
489 | "wwnn", CTLFLAG_RD, mpt->scinfo.fc.wwnn, 0, | |
490 | "World Wide Node Name"); | |
491 | ||
492 | SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, | |
493 | "wwpn", CTLFLAG_RD, mpt->scinfo.fc.wwpn, 0, | |
494 | "World Wide Port Name"); | |
2545bca0 | 495 | |
2545bca0 | 496 | MPT_LOCK(mpt); |
2545bca0 MD |
497 | return (0); |
498 | } | |
499 | ||
500 | /* | |
501 | * Set FC configuration information. | |
502 | */ | |
503 | static int | |
504 | mpt_set_initial_config_fc(struct mpt_softc *mpt) | |
505 | { | |
2545bca0 MD |
506 | CONFIG_PAGE_FC_PORT_1 fc; |
507 | U32 fl; | |
508 | int r, doit = 0; | |
509 | int role; | |
510 | ||
511 | r = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 1, 0, | |
512 | &fc.Header, FALSE, 5000); | |
513 | if (r) { | |
514 | mpt_prt(mpt, "failed to read FC page 1 header\n"); | |
515 | return (mpt_fc_reset_link(mpt, 1)); | |
516 | } | |
517 | ||
518 | r = mpt_read_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_NVRAM, 0, | |
519 | &fc.Header, sizeof (fc), FALSE, 5000); | |
520 | if (r) { | |
521 | mpt_prt(mpt, "failed to read FC page 1\n"); | |
522 | return (mpt_fc_reset_link(mpt, 1)); | |
523 | } | |
524 | mpt2host_config_page_fc_port_1(&fc); | |
525 | ||
526 | /* | |
527 | * Check our flags to make sure we support the role we want. | |
528 | */ | |
529 | doit = 0; | |
530 | role = 0; | |
531 | fl = fc.Flags; | |
532 | ||
533 | if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT) { | |
534 | role |= MPT_ROLE_INITIATOR; | |
535 | } | |
536 | if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) { | |
537 | role |= MPT_ROLE_TARGET; | |
538 | } | |
539 | ||
540 | fl &= ~MPI_FCPORTPAGE1_FLAGS_PROT_MASK; | |
541 | ||
542 | if (mpt->do_cfg_role == 0) { | |
543 | role = mpt->cfg_role; | |
544 | } else { | |
545 | mpt->do_cfg_role = 0; | |
546 | } | |
547 | ||
548 | if (role != mpt->cfg_role) { | |
549 | if (mpt->cfg_role & MPT_ROLE_INITIATOR) { | |
550 | if ((role & MPT_ROLE_INITIATOR) == 0) { | |
551 | mpt_prt(mpt, "adding initiator role\n"); | |
552 | fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT; | |
553 | doit++; | |
554 | } else { | |
555 | mpt_prt(mpt, "keeping initiator role\n"); | |
556 | } | |
557 | } else if (role & MPT_ROLE_INITIATOR) { | |
558 | mpt_prt(mpt, "removing initiator role\n"); | |
559 | doit++; | |
560 | } | |
561 | if (mpt->cfg_role & MPT_ROLE_TARGET) { | |
562 | if ((role & MPT_ROLE_TARGET) == 0) { | |
563 | mpt_prt(mpt, "adding target role\n"); | |
564 | fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG; | |
565 | doit++; | |
566 | } else { | |
567 | mpt_prt(mpt, "keeping target role\n"); | |
568 | } | |
569 | } else if (role & MPT_ROLE_TARGET) { | |
570 | mpt_prt(mpt, "removing target role\n"); | |
571 | doit++; | |
572 | } | |
573 | mpt->role = mpt->cfg_role; | |
574 | } | |
575 | ||
576 | if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) { | |
577 | if ((fl & MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID) == 0) { | |
578 | mpt_prt(mpt, "adding OXID option\n"); | |
579 | fl |= MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID; | |
580 | doit++; | |
581 | } | |
582 | } | |
583 | ||
584 | if (doit) { | |
585 | fc.Flags = fl; | |
586 | host2mpt_config_page_fc_port_1(&fc); | |
587 | r = mpt_write_cfg_page(mpt, | |
588 | MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM, 0, &fc.Header, | |
589 | sizeof(fc), FALSE, 5000); | |
590 | if (r != 0) { | |
591 | mpt_prt(mpt, "failed to update NVRAM with changes\n"); | |
592 | return (0); | |
593 | } | |
594 | mpt_prt(mpt, "NOTE: NVRAM changes will not take " | |
595 | "effect until next reboot or IOC reset\n"); | |
596 | } | |
597 | return (0); | |
598 | } | |
599 | ||
600 | static int | |
601 | mptsas_sas_io_unit_pg0(struct mpt_softc *mpt, struct mptsas_portinfo *portinfo) | |
602 | { | |
603 | ConfigExtendedPageHeader_t hdr; | |
604 | struct mptsas_phyinfo *phyinfo; | |
605 | SasIOUnitPage0_t *buffer; | |
606 | int error, len, i; | |
607 | ||
608 | error = mpt_read_extcfg_header(mpt, MPI_SASIOUNITPAGE0_PAGEVERSION, | |
609 | 0, 0, MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT, | |
610 | &hdr, 0, 10000); | |
611 | if (error) | |
612 | goto out; | |
613 | if (hdr.ExtPageLength == 0) { | |
614 | error = ENXIO; | |
615 | goto out; | |
616 | } | |
617 | ||
618 | len = hdr.ExtPageLength * 4; | |
619 | buffer = kmalloc(len, M_DEVBUF, M_NOWAIT|M_ZERO); | |
620 | if (buffer == NULL) { | |
621 | error = ENOMEM; | |
622 | goto out; | |
623 | } | |
624 | ||
625 | error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, | |
626 | 0, &hdr, buffer, len, 0, 10000); | |
627 | if (error) { | |
628 | kfree(buffer, M_DEVBUF); | |
629 | goto out; | |
630 | } | |
631 | ||
632 | portinfo->num_phys = buffer->NumPhys; | |
633 | portinfo->phy_info = kmalloc(sizeof(*portinfo->phy_info) * | |
634 | portinfo->num_phys, M_DEVBUF, M_NOWAIT|M_ZERO); | |
635 | if (portinfo->phy_info == NULL) { | |
636 | kfree(buffer, M_DEVBUF); | |
637 | error = ENOMEM; | |
638 | goto out; | |
639 | } | |
640 | ||
641 | for (i = 0; i < portinfo->num_phys; i++) { | |
642 | phyinfo = &portinfo->phy_info[i]; | |
643 | phyinfo->phy_num = i; | |
644 | phyinfo->port_id = buffer->PhyData[i].Port; | |
645 | phyinfo->negotiated_link_rate = | |
646 | buffer->PhyData[i].NegotiatedLinkRate; | |
647 | phyinfo->handle = | |
648 | le16toh(buffer->PhyData[i].ControllerDevHandle); | |
649 | } | |
650 | ||
651 | kfree(buffer, M_DEVBUF); | |
652 | out: | |
653 | return (error); | |
654 | } | |
655 | ||
656 | static int | |
657 | mptsas_sas_phy_pg0(struct mpt_softc *mpt, struct mptsas_phyinfo *phy_info, | |
658 | uint32_t form, uint32_t form_specific) | |
659 | { | |
660 | ConfigExtendedPageHeader_t hdr; | |
661 | SasPhyPage0_t *buffer; | |
662 | int error; | |
663 | ||
664 | error = mpt_read_extcfg_header(mpt, MPI_SASPHY0_PAGEVERSION, 0, 0, | |
665 | MPI_CONFIG_EXTPAGETYPE_SAS_PHY, &hdr, | |
666 | 0, 10000); | |
667 | if (error) | |
668 | goto out; | |
669 | if (hdr.ExtPageLength == 0) { | |
670 | error = ENXIO; | |
671 | goto out; | |
672 | } | |
673 | ||
674 | buffer = kmalloc(sizeof(SasPhyPage0_t), M_DEVBUF, M_NOWAIT|M_ZERO); | |
675 | if (buffer == NULL) { | |
676 | error = ENOMEM; | |
677 | goto out; | |
678 | } | |
679 | ||
680 | error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, | |
681 | form + form_specific, &hdr, buffer, | |
682 | sizeof(SasPhyPage0_t), 0, 10000); | |
683 | if (error) { | |
684 | kfree(buffer, M_DEVBUF); | |
685 | goto out; | |
686 | } | |
687 | ||
688 | phy_info->hw_link_rate = buffer->HwLinkRate; | |
689 | phy_info->programmed_link_rate = buffer->ProgrammedLinkRate; | |
690 | phy_info->identify.dev_handle = le16toh(buffer->OwnerDevHandle); | |
691 | phy_info->attached.dev_handle = le16toh(buffer->AttachedDevHandle); | |
692 | ||
693 | kfree(buffer, M_DEVBUF); | |
694 | out: | |
695 | return (error); | |
696 | } | |
697 | ||
698 | static int | |
699 | mptsas_sas_device_pg0(struct mpt_softc *mpt, struct mptsas_devinfo *device_info, | |
700 | uint32_t form, uint32_t form_specific) | |
701 | { | |
702 | ConfigExtendedPageHeader_t hdr; | |
703 | SasDevicePage0_t *buffer; | |
704 | uint64_t sas_address; | |
705 | int error = 0; | |
706 | ||
707 | bzero(device_info, sizeof(*device_info)); | |
708 | error = mpt_read_extcfg_header(mpt, MPI_SASDEVICE0_PAGEVERSION, 0, 0, | |
709 | MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE, | |
710 | &hdr, 0, 10000); | |
711 | if (error) | |
712 | goto out; | |
713 | if (hdr.ExtPageLength == 0) { | |
714 | error = ENXIO; | |
715 | goto out; | |
716 | } | |
717 | ||
718 | buffer = kmalloc(sizeof(SasDevicePage0_t), M_DEVBUF, M_NOWAIT|M_ZERO); | |
719 | if (buffer == NULL) { | |
720 | error = ENOMEM; | |
721 | goto out; | |
722 | } | |
723 | ||
724 | error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, | |
725 | form + form_specific, &hdr, buffer, | |
726 | sizeof(SasDevicePage0_t), 0, 10000); | |
727 | if (error) { | |
728 | kfree(buffer, M_DEVBUF); | |
729 | goto out; | |
730 | } | |
731 | ||
732 | device_info->dev_handle = le16toh(buffer->DevHandle); | |
733 | device_info->parent_dev_handle = le16toh(buffer->ParentDevHandle); | |
734 | device_info->enclosure_handle = le16toh(buffer->EnclosureHandle); | |
735 | device_info->slot = le16toh(buffer->Slot); | |
736 | device_info->phy_num = buffer->PhyNum; | |
737 | device_info->physical_port = buffer->PhysicalPort; | |
738 | device_info->target_id = buffer->TargetID; | |
739 | device_info->bus = buffer->Bus; | |
740 | bcopy(&buffer->SASAddress, &sas_address, sizeof(uint64_t)); | |
741 | device_info->sas_address = le64toh(sas_address); | |
742 | device_info->device_info = le32toh(buffer->DeviceInfo); | |
743 | ||
744 | kfree(buffer, M_DEVBUF); | |
745 | out: | |
746 | return (error); | |
747 | } | |
748 | ||
749 | /* | |
750 | * Read SAS configuration information. Nothing to do yet. | |
751 | */ | |
752 | static int | |
753 | mpt_read_config_info_sas(struct mpt_softc *mpt) | |
754 | { | |
755 | struct mptsas_portinfo *portinfo; | |
756 | struct mptsas_phyinfo *phyinfo; | |
757 | int error, i; | |
758 | ||
759 | portinfo = kmalloc(sizeof(*portinfo), M_DEVBUF, M_NOWAIT|M_ZERO); | |
760 | if (portinfo == NULL) | |
761 | return (ENOMEM); | |
762 | ||
763 | error = mptsas_sas_io_unit_pg0(mpt, portinfo); | |
764 | if (error) { | |
765 | kfree(portinfo, M_DEVBUF); | |
766 | return (0); | |
767 | } | |
768 | ||
769 | for (i = 0; i < portinfo->num_phys; i++) { | |
770 | phyinfo = &portinfo->phy_info[i]; | |
771 | error = mptsas_sas_phy_pg0(mpt, phyinfo, | |
772 | (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER << | |
773 | MPI_SAS_PHY_PGAD_FORM_SHIFT), i); | |
774 | if (error) | |
775 | break; | |
776 | error = mptsas_sas_device_pg0(mpt, &phyinfo->identify, | |
777 | (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << | |
778 | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), | |
779 | phyinfo->handle); | |
780 | if (error) | |
781 | break; | |
782 | phyinfo->identify.phy_num = phyinfo->phy_num = i; | |
783 | if (phyinfo->attached.dev_handle) | |
784 | error = mptsas_sas_device_pg0(mpt, | |
785 | &phyinfo->attached, | |
786 | (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << | |
787 | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), | |
788 | phyinfo->attached.dev_handle); | |
789 | if (error) | |
790 | break; | |
791 | } | |
792 | mpt->sas_portinfo = portinfo; | |
793 | return (0); | |
794 | } | |
795 | ||
796 | static void | |
797 | mptsas_set_sata_wc(struct mpt_softc *mpt, struct mptsas_devinfo *devinfo, | |
798 | int enabled) | |
799 | { | |
800 | SataPassthroughRequest_t *pass; | |
801 | request_t *req; | |
802 | int error, status; | |
803 | ||
804 | req = mpt_get_request(mpt, 0); | |
805 | if (req == NULL) | |
806 | return; | |
807 | ||
808 | pass = req->req_vbuf; | |
809 | bzero(pass, sizeof(SataPassthroughRequest_t)); | |
810 | pass->Function = MPI_FUNCTION_SATA_PASSTHROUGH; | |
811 | pass->TargetID = devinfo->target_id; | |
812 | pass->Bus = devinfo->bus; | |
813 | pass->PassthroughFlags = 0; | |
814 | pass->ConnectionRate = MPI_SATA_PT_REQ_CONNECT_RATE_NEGOTIATED; | |
815 | pass->DataLength = 0; | |
816 | pass->MsgContext = htole32(req->index | sata_pass_handler_id); | |
817 | pass->CommandFIS[0] = 0x27; | |
818 | pass->CommandFIS[1] = 0x80; | |
819 | pass->CommandFIS[2] = 0xef; | |
820 | pass->CommandFIS[3] = (enabled) ? 0x02 : 0x82; | |
821 | pass->CommandFIS[7] = 0x40; | |
822 | pass->CommandFIS[15] = 0x08; | |
823 | ||
824 | mpt_check_doorbell(mpt); | |
825 | mpt_send_cmd(mpt, req); | |
826 | error = mpt_wait_req(mpt, req, REQ_STATE_DONE, REQ_STATE_DONE, 0, | |
827 | 10 * 1000); | |
828 | if (error) { | |
829 | mpt_free_request(mpt, req); | |
830 | kprintf("error %d sending passthrough\n", error); | |
831 | return; | |
832 | } | |
833 | ||
834 | status = le16toh(req->IOCStatus); | |
835 | if (status != MPI_IOCSTATUS_SUCCESS) { | |
836 | mpt_free_request(mpt, req); | |
837 | kprintf("IOCSTATUS %d\n", status); | |
838 | return; | |
839 | } | |
840 | ||
841 | mpt_free_request(mpt, req); | |
842 | } | |
843 | ||
844 | /* | |
845 | * Set SAS configuration information. Nothing to do yet. | |
846 | */ | |
847 | static int | |
848 | mpt_set_initial_config_sas(struct mpt_softc *mpt) | |
849 | { | |
850 | struct mptsas_phyinfo *phyinfo; | |
851 | int i; | |
852 | ||
853 | if ((mpt_enable_sata_wc != -1) && (mpt->sas_portinfo != NULL)) { | |
854 | for (i = 0; i < mpt->sas_portinfo->num_phys; i++) { | |
855 | phyinfo = &mpt->sas_portinfo->phy_info[i]; | |
856 | if (phyinfo->attached.dev_handle == 0) | |
857 | continue; | |
858 | if ((phyinfo->attached.device_info & | |
859 | MPI_SAS_DEVICE_INFO_SATA_DEVICE) == 0) | |
860 | continue; | |
861 | if (bootverbose) | |
862 | device_printf(mpt->dev, | |
863 | "%sabling SATA WC on phy %d\n", | |
864 | (mpt_enable_sata_wc) ? "En" : "Dis", i); | |
865 | mptsas_set_sata_wc(mpt, &phyinfo->attached, | |
866 | mpt_enable_sata_wc); | |
867 | } | |
868 | } | |
869 | ||
870 | return (0); | |
871 | } | |
872 | ||
873 | static int | |
874 | mpt_sata_pass_reply_handler(struct mpt_softc *mpt, request_t *req, | |
875 | uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) | |
876 | { | |
2545bca0 | 877 | |
4c42baf4 | 878 | if (req != NULL) { |
2545bca0 MD |
879 | if (reply_frame != NULL) { |
880 | req->IOCStatus = le16toh(reply_frame->IOCStatus); | |
881 | } | |
882 | req->state &= ~REQ_STATE_QUEUED; | |
883 | req->state |= REQ_STATE_DONE; | |
884 | TAILQ_REMOVE(&mpt->request_pending_list, req, links); | |
885 | if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { | |
886 | wakeup(req); | |
887 | } else if ((req->state & REQ_STATE_TIMEDOUT) != 0) { | |
888 | /* | |
889 | * Whew- we can free this request (late completion) | |
890 | */ | |
891 | mpt_free_request(mpt, req); | |
892 | } | |
893 | } | |
894 | ||
895 | return (TRUE); | |
896 | } | |
897 | ||
898 | /* | |
899 | * Read SCSI configuration information | |
900 | */ | |
901 | static int | |
902 | mpt_read_config_info_spi(struct mpt_softc *mpt) | |
903 | { | |
904 | int rv, i; | |
905 | ||
906 | rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 0, 0, | |
907 | &mpt->mpt_port_page0.Header, FALSE, 5000); | |
908 | if (rv) { | |
909 | return (-1); | |
910 | } | |
911 | mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 0 Header: %x %x %x %x\n", | |
912 | mpt->mpt_port_page0.Header.PageVersion, | |
913 | mpt->mpt_port_page0.Header.PageLength, | |
914 | mpt->mpt_port_page0.Header.PageNumber, | |
915 | mpt->mpt_port_page0.Header.PageType); | |
916 | ||
917 | rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 1, 0, | |
918 | &mpt->mpt_port_page1.Header, FALSE, 5000); | |
919 | if (rv) { | |
920 | return (-1); | |
921 | } | |
922 | mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 1 Header: %x %x %x %x\n", | |
923 | mpt->mpt_port_page1.Header.PageVersion, | |
924 | mpt->mpt_port_page1.Header.PageLength, | |
925 | mpt->mpt_port_page1.Header.PageNumber, | |
926 | mpt->mpt_port_page1.Header.PageType); | |
927 | ||
928 | rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 2, 0, | |
929 | &mpt->mpt_port_page2.Header, FALSE, 5000); | |
930 | if (rv) { | |
931 | return (-1); | |
932 | } | |
933 | mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 2 Header: %x %x %x %x\n", | |
934 | mpt->mpt_port_page2.Header.PageVersion, | |
935 | mpt->mpt_port_page2.Header.PageLength, | |
936 | mpt->mpt_port_page2.Header.PageNumber, | |
937 | mpt->mpt_port_page2.Header.PageType); | |
938 | ||
939 | for (i = 0; i < 16; i++) { | |
940 | rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE, | |
941 | 0, i, &mpt->mpt_dev_page0[i].Header, FALSE, 5000); | |
942 | if (rv) { | |
943 | return (-1); | |
944 | } | |
945 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
946 | "SPI Target %d Device Page 0 Header: %x %x %x %x\n", i, | |
947 | mpt->mpt_dev_page0[i].Header.PageVersion, | |
948 | mpt->mpt_dev_page0[i].Header.PageLength, | |
949 | mpt->mpt_dev_page0[i].Header.PageNumber, | |
950 | mpt->mpt_dev_page0[i].Header.PageType); | |
951 | ||
952 | rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE, | |
953 | 1, i, &mpt->mpt_dev_page1[i].Header, FALSE, 5000); | |
954 | if (rv) { | |
955 | return (-1); | |
956 | } | |
957 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
958 | "SPI Target %d Device Page 1 Header: %x %x %x %x\n", i, | |
959 | mpt->mpt_dev_page1[i].Header.PageVersion, | |
960 | mpt->mpt_dev_page1[i].Header.PageLength, | |
961 | mpt->mpt_dev_page1[i].Header.PageNumber, | |
962 | mpt->mpt_dev_page1[i].Header.PageType); | |
963 | } | |
964 | ||
965 | /* | |
966 | * At this point, we don't *have* to fail. As long as we have | |
967 | * valid config header information, we can (barely) lurch | |
968 | * along. | |
969 | */ | |
970 | ||
971 | rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page0.Header, | |
972 | sizeof(mpt->mpt_port_page0), FALSE, 5000); | |
973 | if (rv) { | |
974 | mpt_prt(mpt, "failed to read SPI Port Page 0\n"); | |
975 | } else { | |
976 | mpt2host_config_page_scsi_port_0(&mpt->mpt_port_page0); | |
977 | mpt_lprt(mpt, MPT_PRT_NEGOTIATION, | |
978 | "SPI Port Page 0: Capabilities %x PhysicalInterface %x\n", | |
6d259fc1 SW |
979 | mpt->mpt_port_page0.Capabilities, |
980 | mpt->mpt_port_page0.PhysicalInterface); | |
2545bca0 MD |
981 | } |
982 | ||
983 | rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page1.Header, | |
984 | sizeof(mpt->mpt_port_page1), FALSE, 5000); | |
985 | if (rv) { | |
986 | mpt_prt(mpt, "failed to read SPI Port Page 1\n"); | |
987 | } else { | |
988 | mpt2host_config_page_scsi_port_1(&mpt->mpt_port_page1); | |
989 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
990 | "SPI Port Page 1: Configuration %x OnBusTimerValue %x\n", | |
6d259fc1 SW |
991 | mpt->mpt_port_page1.Configuration, |
992 | mpt->mpt_port_page1.OnBusTimerValue); | |
2545bca0 MD |
993 | } |
994 | ||
995 | rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page2.Header, | |
996 | sizeof(mpt->mpt_port_page2), FALSE, 5000); | |
997 | if (rv) { | |
998 | mpt_prt(mpt, "failed to read SPI Port Page 2\n"); | |
999 | } else { | |
1000 | mpt_lprt(mpt, MPT_PRT_NEGOTIATION, | |
1001 | "Port Page 2: Flags %x Settings %x\n", | |
6d259fc1 SW |
1002 | mpt->mpt_port_page2.PortFlags, |
1003 | mpt->mpt_port_page2.PortSettings); | |
2545bca0 MD |
1004 | mpt2host_config_page_scsi_port_2(&mpt->mpt_port_page2); |
1005 | for (i = 0; i < 16; i++) { | |
1006 | mpt_lprt(mpt, MPT_PRT_NEGOTIATION, | |
1007 | " Port Page 2 Tgt %d: timo %x SF %x Flags %x\n", | |
1008 | i, mpt->mpt_port_page2.DeviceSettings[i].Timeout, | |
1009 | mpt->mpt_port_page2.DeviceSettings[i].SyncFactor, | |
1010 | mpt->mpt_port_page2.DeviceSettings[i].DeviceFlags); | |
1011 | } | |
1012 | } | |
1013 | ||
1014 | for (i = 0; i < 16; i++) { | |
1015 | rv = mpt_read_cur_cfg_page(mpt, i, | |
1016 | &mpt->mpt_dev_page0[i].Header, sizeof(*mpt->mpt_dev_page0), | |
1017 | FALSE, 5000); | |
1018 | if (rv) { | |
1019 | mpt_prt(mpt, | |
1020 | "cannot read SPI Target %d Device Page 0\n", i); | |
1021 | continue; | |
1022 | } | |
1023 | mpt2host_config_page_scsi_device_0(&mpt->mpt_dev_page0[i]); | |
1024 | mpt_lprt(mpt, MPT_PRT_NEGOTIATION, | |
1025 | "target %d page 0: Negotiated Params %x Information %x\n", | |
6d259fc1 SW |
1026 | i, mpt->mpt_dev_page0[i].NegotiatedParameters, |
1027 | mpt->mpt_dev_page0[i].Information); | |
2545bca0 MD |
1028 | |
1029 | rv = mpt_read_cur_cfg_page(mpt, i, | |
1030 | &mpt->mpt_dev_page1[i].Header, sizeof(*mpt->mpt_dev_page1), | |
1031 | FALSE, 5000); | |
1032 | if (rv) { | |
1033 | mpt_prt(mpt, | |
1034 | "cannot read SPI Target %d Device Page 1\n", i); | |
1035 | continue; | |
1036 | } | |
1037 | mpt2host_config_page_scsi_device_1(&mpt->mpt_dev_page1[i]); | |
1038 | mpt_lprt(mpt, MPT_PRT_NEGOTIATION, | |
1039 | "target %d page 1: Requested Params %x Configuration %x\n", | |
6d259fc1 SW |
1040 | i, mpt->mpt_dev_page1[i].RequestedParameters, |
1041 | mpt->mpt_dev_page1[i].Configuration); | |
2545bca0 MD |
1042 | } |
1043 | return (0); | |
1044 | } | |
1045 | ||
1046 | /* | |
1047 | * Validate SPI configuration information. | |
1048 | * | |
1049 | * In particular, validate SPI Port Page 1. | |
1050 | */ | |
1051 | static int | |
1052 | mpt_set_initial_config_spi(struct mpt_softc *mpt) | |
1053 | { | |
6d259fc1 | 1054 | int error, i, pp1val; |
2545bca0 MD |
1055 | |
1056 | mpt->mpt_disc_enable = 0xff; | |
1057 | mpt->mpt_tag_enable = 0; | |
1058 | ||
6d259fc1 SW |
1059 | pp1val = ((1 << mpt->mpt_ini_id) << |
1060 | MPI_SCSIPORTPAGE1_CFG_SHIFT_PORT_RESPONSE_ID) | mpt->mpt_ini_id; | |
2545bca0 MD |
1061 | if (mpt->mpt_port_page1.Configuration != pp1val) { |
1062 | CONFIG_PAGE_SCSI_PORT_1 tmp; | |
1063 | ||
1064 | mpt_prt(mpt, "SPI Port Page 1 Config value bad (%x)- should " | |
6d259fc1 | 1065 | "be %x\n", mpt->mpt_port_page1.Configuration, pp1val); |
2545bca0 MD |
1066 | tmp = mpt->mpt_port_page1; |
1067 | tmp.Configuration = pp1val; | |
1068 | host2mpt_config_page_scsi_port_1(&tmp); | |
1069 | error = mpt_write_cur_cfg_page(mpt, 0, | |
1070 | &tmp.Header, sizeof(tmp), FALSE, 5000); | |
1071 | if (error) { | |
1072 | return (-1); | |
1073 | } | |
1074 | error = mpt_read_cur_cfg_page(mpt, 0, | |
1075 | &tmp.Header, sizeof(tmp), FALSE, 5000); | |
1076 | if (error) { | |
1077 | return (-1); | |
1078 | } | |
1079 | mpt2host_config_page_scsi_port_1(&tmp); | |
1080 | if (tmp.Configuration != pp1val) { | |
1081 | mpt_prt(mpt, | |
1082 | "failed to reset SPI Port Page 1 Config value\n"); | |
1083 | return (-1); | |
1084 | } | |
1085 | mpt->mpt_port_page1 = tmp; | |
1086 | } | |
1087 | ||
1088 | /* | |
1089 | * The purpose of this exercise is to get | |
1090 | * all targets back to async/narrow. | |
1091 | * | |
1092 | * We skip this step if the BIOS has already negotiated | |
1093 | * speeds with the targets. | |
1094 | */ | |
1095 | i = mpt->mpt_port_page2.PortSettings & | |
1096 | MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS; | |
1097 | if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS) { | |
1098 | mpt_lprt(mpt, MPT_PRT_NEGOTIATION, | |
1099 | "honoring BIOS transfer negotiations\n"); | |
1100 | } else { | |
1101 | for (i = 0; i < 16; i++) { | |
1102 | mpt->mpt_dev_page1[i].RequestedParameters = 0; | |
1103 | mpt->mpt_dev_page1[i].Configuration = 0; | |
1104 | (void) mpt_update_spi_config(mpt, i); | |
1105 | } | |
1106 | } | |
1107 | return (0); | |
1108 | } | |
1109 | ||
4c42baf4 | 1110 | static int |
2545bca0 MD |
1111 | mpt_cam_enable(struct mpt_softc *mpt) |
1112 | { | |
1113 | int error; | |
1114 | ||
1115 | MPT_LOCK(mpt); | |
1116 | ||
1117 | error = EIO; | |
1118 | if (mpt->is_fc) { | |
1119 | if (mpt_read_config_info_fc(mpt)) { | |
1120 | goto out; | |
1121 | } | |
1122 | if (mpt_set_initial_config_fc(mpt)) { | |
1123 | goto out; | |
1124 | } | |
1125 | } else if (mpt->is_sas) { | |
1126 | if (mpt_read_config_info_sas(mpt)) { | |
1127 | goto out; | |
1128 | } | |
1129 | if (mpt_set_initial_config_sas(mpt)) { | |
1130 | goto out; | |
1131 | } | |
1132 | } else if (mpt->is_spi) { | |
1133 | if (mpt_read_config_info_spi(mpt)) { | |
1134 | goto out; | |
1135 | } | |
1136 | if (mpt_set_initial_config_spi(mpt)) { | |
1137 | goto out; | |
1138 | } | |
1139 | } | |
1140 | error = 0; | |
1141 | ||
1142 | out: | |
1143 | MPT_UNLOCK(mpt); | |
1144 | return (error); | |
1145 | } | |
1146 | ||
4c42baf4 | 1147 | static void |
2545bca0 MD |
1148 | mpt_cam_ready(struct mpt_softc *mpt) |
1149 | { | |
4c42baf4 | 1150 | |
2545bca0 MD |
1151 | /* |
1152 | * If we're in target mode, hang out resources now | |
1153 | * so we don't cause the world to hang talking to us. | |
1154 | */ | |
1155 | if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) { | |
1156 | /* | |
1157 | * Try to add some target command resources | |
1158 | */ | |
1159 | MPT_LOCK(mpt); | |
1160 | if (mpt_add_target_commands(mpt) == FALSE) { | |
1161 | mpt_prt(mpt, "failed to add target commands\n"); | |
1162 | } | |
1163 | MPT_UNLOCK(mpt); | |
1164 | } | |
1165 | mpt->ready = 1; | |
1166 | } | |
1167 | ||
4c42baf4 | 1168 | static void |
2545bca0 MD |
1169 | mpt_cam_detach(struct mpt_softc *mpt) |
1170 | { | |
1171 | mpt_handler_t handler; | |
1172 | ||
1173 | MPT_LOCK(mpt); | |
1174 | mpt->ready = 0; | |
1175 | mpt_terminate_recovery_thread(mpt); | |
1176 | ||
1177 | handler.reply_handler = mpt_scsi_reply_handler; | |
1178 | mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, | |
1179 | scsi_io_handler_id); | |
1180 | handler.reply_handler = mpt_scsi_tmf_reply_handler; | |
1181 | mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, | |
1182 | scsi_tmf_handler_id); | |
1183 | handler.reply_handler = mpt_fc_els_reply_handler; | |
1184 | mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, | |
1185 | fc_els_handler_id); | |
1186 | handler.reply_handler = mpt_scsi_tgt_reply_handler; | |
1187 | mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, | |
1188 | mpt->scsi_tgt_handler_id); | |
1189 | handler.reply_handler = mpt_sata_pass_reply_handler; | |
1190 | mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, | |
1191 | sata_pass_handler_id); | |
1192 | ||
1193 | if (mpt->tmf_req != NULL) { | |
1194 | mpt->tmf_req->state = REQ_STATE_ALLOCATED; | |
1195 | mpt_free_request(mpt, mpt->tmf_req); | |
1196 | mpt->tmf_req = NULL; | |
1197 | } | |
1198 | if (mpt->sas_portinfo != NULL) { | |
1199 | kfree(mpt->sas_portinfo, M_DEVBUF); | |
1200 | mpt->sas_portinfo = NULL; | |
1201 | } | |
2545bca0 MD |
1202 | |
1203 | if (mpt->sim != NULL) { | |
1204 | xpt_free_path(mpt->path); | |
1205 | xpt_bus_deregister(cam_sim_path(mpt->sim)); | |
1206 | cam_sim_free(mpt->sim); | |
1207 | mpt->sim = NULL; | |
1208 | } | |
1209 | ||
1210 | if (mpt->phydisk_sim != NULL) { | |
1211 | xpt_free_path(mpt->phydisk_path); | |
1212 | xpt_bus_deregister(cam_sim_path(mpt->phydisk_sim)); | |
1213 | cam_sim_free(mpt->phydisk_sim); | |
1214 | mpt->phydisk_sim = NULL; | |
1215 | } | |
6d259fc1 | 1216 | MPT_UNLOCK(mpt); |
2545bca0 MD |
1217 | } |
1218 | ||
1219 | /* This routine is used after a system crash to dump core onto the swap device. | |
1220 | */ | |
1221 | static void | |
1222 | mpt_poll(struct cam_sim *sim) | |
1223 | { | |
1224 | struct mpt_softc *mpt; | |
1225 | ||
1226 | mpt = (struct mpt_softc *)cam_sim_softc(sim); | |
1227 | mpt_intr(mpt); | |
1228 | } | |
1229 | ||
1230 | /* | |
1231 | * Watchdog timeout routine for SCSI requests. | |
1232 | */ | |
1233 | static void | |
1234 | mpt_timeout(void *arg) | |
1235 | { | |
1236 | union ccb *ccb; | |
1237 | struct mpt_softc *mpt; | |
1238 | request_t *req; | |
1239 | ||
1240 | ccb = (union ccb *)arg; | |
1241 | mpt = ccb->ccb_h.ccb_mpt_ptr; | |
1242 | ||
2be58998 | 1243 | MPT_LOCK(mpt); |
2545bca0 MD |
1244 | req = ccb->ccb_h.ccb_req_ptr; |
1245 | mpt_prt(mpt, "request %p:%u timed out for ccb %p (req->ccb %p)\n", req, | |
1246 | req->serno, ccb, req->ccb); | |
1247 | /* XXX: WHAT ARE WE TRYING TO DO HERE? */ | |
1248 | if ((req->state & REQ_STATE_QUEUED) == REQ_STATE_QUEUED) { | |
1249 | TAILQ_REMOVE(&mpt->request_pending_list, req, links); | |
1250 | TAILQ_INSERT_TAIL(&mpt->request_timeout_list, req, links); | |
1251 | req->state |= REQ_STATE_TIMEDOUT; | |
1252 | mpt_wakeup_recovery_thread(mpt); | |
1253 | } | |
2be58998 | 1254 | MPT_UNLOCK(mpt); |
2545bca0 MD |
1255 | } |
1256 | ||
1257 | /* | |
1258 | * Callback routine from "bus_dmamap_load" or, in simple cases, called directly. | |
1259 | * | |
1260 | * Takes a list of physical segments and builds the SGL for SCSI IO command | |
1261 | * and forwards the commard to the IOC after one last check that CAM has not | |
1262 | * aborted the transaction. | |
1263 | */ | |
1264 | static void | |
1265 | mpt_execute_req_a64(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) | |
1266 | { | |
1267 | request_t *req, *trq; | |
1268 | char *mpt_off; | |
1269 | union ccb *ccb; | |
1270 | struct mpt_softc *mpt; | |
4c42baf4 SW |
1271 | bus_addr_t chain_list_addr; |
1272 | int first_lim, seg, this_seg_lim; | |
1273 | uint32_t addr, cur_off, flags, nxt_off, tf; | |
2545bca0 MD |
1274 | void *sglp = NULL; |
1275 | MSG_REQUEST_HEADER *hdrp; | |
1276 | SGE_SIMPLE64 *se; | |
1277 | SGE_CHAIN64 *ce; | |
1278 | int istgt = 0; | |
1279 | ||
1280 | req = (request_t *)arg; | |
1281 | ccb = req->ccb; | |
1282 | ||
1283 | mpt = ccb->ccb_h.ccb_mpt_ptr; | |
1284 | req = ccb->ccb_h.ccb_req_ptr; | |
1285 | ||
1286 | hdrp = req->req_vbuf; | |
1287 | mpt_off = req->req_vbuf; | |
1288 | ||
1289 | if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { | |
1290 | error = EFBIG; | |
1291 | } | |
1292 | ||
1293 | if (error == 0) { | |
1294 | switch (hdrp->Function) { | |
1295 | case MPI_FUNCTION_SCSI_IO_REQUEST: | |
1296 | case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: | |
1297 | istgt = 0; | |
1298 | sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL; | |
1299 | break; | |
1300 | case MPI_FUNCTION_TARGET_ASSIST: | |
1301 | istgt = 1; | |
1302 | sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL; | |
1303 | break; | |
1304 | default: | |
1305 | mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req_a64\n", | |
1306 | hdrp->Function); | |
1307 | error = EINVAL; | |
1308 | break; | |
1309 | } | |
1310 | } | |
1311 | ||
1312 | if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { | |
1313 | error = EFBIG; | |
1314 | mpt_prt(mpt, "segment count %d too large (max %u)\n", | |
1315 | nseg, mpt->max_seg_cnt); | |
1316 | } | |
1317 | ||
1318 | bad: | |
1319 | if (error != 0) { | |
1320 | if (error != EFBIG && error != ENOMEM) { | |
1321 | mpt_prt(mpt, "mpt_execute_req_a64: err %d\n", error); | |
1322 | } | |
1323 | if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { | |
1324 | cam_status status; | |
1325 | mpt_freeze_ccb(ccb); | |
1326 | if (error == EFBIG) { | |
1327 | status = CAM_REQ_TOO_BIG; | |
1328 | } else if (error == ENOMEM) { | |
1329 | if (mpt->outofbeer == 0) { | |
1330 | mpt->outofbeer = 1; | |
1331 | xpt_freeze_simq(mpt->sim, 1); | |
1332 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
1333 | "FREEZEQ\n"); | |
1334 | } | |
1335 | status = CAM_REQUEUE_REQ; | |
1336 | } else { | |
1337 | status = CAM_REQ_CMP_ERR; | |
1338 | } | |
1339 | mpt_set_ccb_status(ccb, status); | |
1340 | } | |
1341 | if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { | |
1342 | request_t *cmd_req = | |
1343 | MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); | |
1344 | MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; | |
1345 | MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; | |
1346 | MPT_TGT_STATE(mpt, cmd_req)->req = NULL; | |
1347 | } | |
1348 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; | |
4c42baf4 | 1349 | KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); |
2545bca0 | 1350 | xpt_done(ccb); |
2545bca0 | 1351 | mpt_free_request(mpt, req); |
2545bca0 MD |
1352 | return; |
1353 | } | |
1354 | ||
1355 | /* | |
1356 | * No data to transfer? | |
1357 | * Just make a single simple SGL with zero length. | |
1358 | */ | |
1359 | ||
1360 | if (mpt->verbose >= MPT_PRT_DEBUG) { | |
1361 | int tidx = ((char *)sglp) - mpt_off; | |
1362 | memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx); | |
1363 | } | |
1364 | ||
1365 | if (nseg == 0) { | |
1366 | SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp; | |
1367 | MPI_pSGE_SET_FLAGS(se1, | |
1368 | (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | | |
1369 | MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); | |
1370 | se1->FlagsLength = htole32(se1->FlagsLength); | |
1371 | goto out; | |
1372 | } | |
1373 | ||
1374 | ||
1375 | flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_64_BIT_ADDRESSING; | |
1376 | if (istgt == 0) { | |
1377 | if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { | |
1378 | flags |= MPI_SGE_FLAGS_HOST_TO_IOC; | |
1379 | } | |
1380 | } else { | |
1381 | if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { | |
1382 | flags |= MPI_SGE_FLAGS_HOST_TO_IOC; | |
1383 | } | |
1384 | } | |
1385 | ||
1386 | if (!(ccb->ccb_h.flags & (CAM_SG_LIST_PHYS|CAM_DATA_PHYS))) { | |
1387 | bus_dmasync_op_t op; | |
1388 | if (istgt == 0) { | |
1389 | if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { | |
1390 | op = BUS_DMASYNC_PREREAD; | |
1391 | } else { | |
1392 | op = BUS_DMASYNC_PREWRITE; | |
1393 | } | |
1394 | } else { | |
1395 | if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { | |
1396 | op = BUS_DMASYNC_PREWRITE; | |
1397 | } else { | |
1398 | op = BUS_DMASYNC_PREREAD; | |
1399 | } | |
1400 | } | |
1401 | bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); | |
1402 | } | |
1403 | ||
1404 | /* | |
1405 | * Okay, fill in what we can at the end of the command frame. | |
1406 | * If we have up to MPT_NSGL_FIRST, we can fit them all into | |
1407 | * the command frame. | |
1408 | * | |
1409 | * Otherwise, we fill up through MPT_NSGL_FIRST less one | |
1410 | * SIMPLE64 pointers and start doing CHAIN64 entries after | |
1411 | * that. | |
1412 | */ | |
1413 | ||
1414 | if (nseg < MPT_NSGL_FIRST(mpt)) { | |
1415 | first_lim = nseg; | |
1416 | } else { | |
1417 | /* | |
1418 | * Leave room for CHAIN element | |
1419 | */ | |
1420 | first_lim = MPT_NSGL_FIRST(mpt) - 1; | |
1421 | } | |
1422 | ||
1423 | se = (SGE_SIMPLE64 *) sglp; | |
1424 | for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { | |
4c42baf4 | 1425 | tf = flags; |
2545bca0 | 1426 | memset(se, 0, sizeof (*se)); |
4c42baf4 | 1427 | MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); |
2545bca0 MD |
1428 | se->Address.Low = htole32(dm_segs->ds_addr & 0xffffffff); |
1429 | if (sizeof(bus_addr_t) > 4) { | |
4c42baf4 SW |
1430 | addr = ((uint64_t)dm_segs->ds_addr) >> 32; |
1431 | /* SAS1078 36GB limitation WAR */ | |
1432 | if (mpt->is_1078 && (((uint64_t)dm_segs->ds_addr + | |
1433 | MPI_SGE_LENGTH(se->FlagsLength)) >> 32) == 9) { | |
f582582c | 1434 | addr |= (1U << 31); |
4c42baf4 SW |
1435 | tf |= MPI_SGE_FLAGS_LOCAL_ADDRESS; |
1436 | } | |
1437 | se->Address.High = htole32(addr); | |
2545bca0 | 1438 | } |
2545bca0 MD |
1439 | if (seg == first_lim - 1) { |
1440 | tf |= MPI_SGE_FLAGS_LAST_ELEMENT; | |
1441 | } | |
1442 | if (seg == nseg - 1) { | |
1443 | tf |= MPI_SGE_FLAGS_END_OF_LIST | | |
1444 | MPI_SGE_FLAGS_END_OF_BUFFER; | |
1445 | } | |
1446 | MPI_pSGE_SET_FLAGS(se, tf); | |
1447 | se->FlagsLength = htole32(se->FlagsLength); | |
1448 | } | |
1449 | ||
1450 | if (seg == nseg) { | |
1451 | goto out; | |
1452 | } | |
1453 | ||
1454 | /* | |
1455 | * Tell the IOC where to find the first chain element. | |
1456 | */ | |
1457 | hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2; | |
1458 | nxt_off = MPT_RQSL(mpt); | |
1459 | trq = req; | |
1460 | ||
1461 | /* | |
1462 | * Make up the rest of the data segments out of a chain element | |
4c42baf4 | 1463 | * (contained in the current request frame) which points to |
2545bca0 MD |
1464 | * SIMPLE64 elements in the next request frame, possibly ending |
1465 | * with *another* chain element (if there's more). | |
1466 | */ | |
1467 | while (seg < nseg) { | |
2545bca0 MD |
1468 | /* |
1469 | * Point to the chain descriptor. Note that the chain | |
1470 | * descriptor is at the end of the *previous* list (whether | |
1471 | * chain or simple). | |
1472 | */ | |
1473 | ce = (SGE_CHAIN64 *) se; | |
1474 | ||
1475 | /* | |
1476 | * Before we change our current pointer, make sure we won't | |
1477 | * overflow the request area with this frame. Note that we | |
1478 | * test against 'greater than' here as it's okay in this case | |
1479 | * to have next offset be just outside the request area. | |
1480 | */ | |
1481 | if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) { | |
1482 | nxt_off = MPT_REQUEST_AREA; | |
1483 | goto next_chain; | |
1484 | } | |
1485 | ||
1486 | /* | |
1487 | * Set our SGE element pointer to the beginning of the chain | |
1488 | * list and update our next chain list offset. | |
1489 | */ | |
1490 | se = (SGE_SIMPLE64 *) &mpt_off[nxt_off]; | |
1491 | cur_off = nxt_off; | |
1492 | nxt_off += MPT_RQSL(mpt); | |
1493 | ||
1494 | /* | |
4c42baf4 | 1495 | * Now initialize the chain descriptor. |
2545bca0 MD |
1496 | */ |
1497 | memset(ce, 0, sizeof (*ce)); | |
1498 | ||
1499 | /* | |
1500 | * Get the physical address of the chain list. | |
1501 | */ | |
1502 | chain_list_addr = trq->req_pbuf; | |
1503 | chain_list_addr += cur_off; | |
1504 | if (sizeof (bus_addr_t) > 4) { | |
1505 | ce->Address.High = | |
1506 | htole32(((uint64_t)chain_list_addr) >> 32); | |
1507 | } | |
1508 | ce->Address.Low = htole32(chain_list_addr & 0xffffffff); | |
1509 | ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | | |
1510 | MPI_SGE_FLAGS_64_BIT_ADDRESSING; | |
1511 | ||
1512 | /* | |
1513 | * If we have more than a frame's worth of segments left, | |
1514 | * set up the chain list to have the last element be another | |
1515 | * chain descriptor. | |
1516 | */ | |
1517 | if ((nseg - seg) > MPT_NSGL(mpt)) { | |
1518 | this_seg_lim = seg + MPT_NSGL(mpt) - 1; | |
1519 | /* | |
1520 | * The length of the chain is the length in bytes of the | |
1521 | * number of segments plus the next chain element. | |
1522 | * | |
1523 | * The next chain descriptor offset is the length, | |
1524 | * in words, of the number of segments. | |
1525 | */ | |
1526 | ce->Length = (this_seg_lim - seg) * | |
1527 | sizeof (SGE_SIMPLE64); | |
1528 | ce->NextChainOffset = ce->Length >> 2; | |
1529 | ce->Length += sizeof (SGE_CHAIN64); | |
1530 | } else { | |
1531 | this_seg_lim = nseg; | |
1532 | ce->Length = (this_seg_lim - seg) * | |
1533 | sizeof (SGE_SIMPLE64); | |
1534 | } | |
1535 | ce->Length = htole16(ce->Length); | |
1536 | ||
1537 | /* | |
1538 | * Fill in the chain list SGE elements with our segment data. | |
1539 | * | |
1540 | * If we're the last element in this chain list, set the last | |
1541 | * element flag. If we're the completely last element period, | |
1542 | * set the end of list and end of buffer flags. | |
1543 | */ | |
1544 | while (seg < this_seg_lim) { | |
4c42baf4 | 1545 | tf = flags; |
2545bca0 | 1546 | memset(se, 0, sizeof (*se)); |
4c42baf4 | 1547 | MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); |
2545bca0 MD |
1548 | se->Address.Low = htole32(dm_segs->ds_addr & |
1549 | 0xffffffff); | |
1550 | if (sizeof (bus_addr_t) > 4) { | |
4c42baf4 SW |
1551 | addr = ((uint64_t)dm_segs->ds_addr) >> 32; |
1552 | /* SAS1078 36GB limitation WAR */ | |
1553 | if (mpt->is_1078 && | |
1554 | (((uint64_t)dm_segs->ds_addr + | |
1555 | MPI_SGE_LENGTH(se->FlagsLength)) >> | |
1556 | 32) == 9) { | |
f582582c | 1557 | addr |= (1U << 31); |
4c42baf4 SW |
1558 | tf |= MPI_SGE_FLAGS_LOCAL_ADDRESS; |
1559 | } | |
1560 | se->Address.High = htole32(addr); | |
2545bca0 | 1561 | } |
4c42baf4 | 1562 | if (seg == this_seg_lim - 1) { |
2545bca0 MD |
1563 | tf |= MPI_SGE_FLAGS_LAST_ELEMENT; |
1564 | } | |
1565 | if (seg == nseg - 1) { | |
1566 | tf |= MPI_SGE_FLAGS_END_OF_LIST | | |
1567 | MPI_SGE_FLAGS_END_OF_BUFFER; | |
1568 | } | |
1569 | MPI_pSGE_SET_FLAGS(se, tf); | |
1570 | se->FlagsLength = htole32(se->FlagsLength); | |
1571 | se++; | |
1572 | seg++; | |
1573 | dm_segs++; | |
1574 | } | |
1575 | ||
1576 | next_chain: | |
1577 | /* | |
1578 | * If we have more segments to do and we've used up all of | |
1579 | * the space in a request area, go allocate another one | |
1580 | * and chain to that. | |
1581 | */ | |
1582 | if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) { | |
1583 | request_t *nrq; | |
1584 | ||
2545bca0 | 1585 | nrq = mpt_get_request(mpt, FALSE); |
2545bca0 MD |
1586 | |
1587 | if (nrq == NULL) { | |
1588 | error = ENOMEM; | |
1589 | goto bad; | |
1590 | } | |
1591 | ||
1592 | /* | |
1593 | * Append the new request area on the tail of our list. | |
1594 | */ | |
1595 | if ((trq = req->chain) == NULL) { | |
1596 | req->chain = nrq; | |
1597 | } else { | |
1598 | while (trq->chain != NULL) { | |
1599 | trq = trq->chain; | |
1600 | } | |
1601 | trq->chain = nrq; | |
1602 | } | |
1603 | trq = nrq; | |
1604 | mpt_off = trq->req_vbuf; | |
1605 | if (mpt->verbose >= MPT_PRT_DEBUG) { | |
1606 | memset(mpt_off, 0xff, MPT_REQUEST_AREA); | |
1607 | } | |
1608 | nxt_off = 0; | |
1609 | } | |
1610 | } | |
1611 | out: | |
1612 | ||
1613 | /* | |
1614 | * Last time we need to check if this CCB needs to be aborted. | |
1615 | */ | |
1616 | if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { | |
1617 | if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { | |
1618 | request_t *cmd_req = | |
1619 | MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); | |
1620 | MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; | |
1621 | MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; | |
1622 | MPT_TGT_STATE(mpt, cmd_req)->req = NULL; | |
1623 | } | |
1624 | mpt_prt(mpt, | |
1625 | "mpt_execute_req_a64: I/O cancelled (status 0x%x)\n", | |
1626 | ccb->ccb_h.status & CAM_STATUS_MASK); | |
1627 | if (nseg && (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { | |
1628 | bus_dmamap_unload(mpt->buffer_dmat, req->dmap); | |
1629 | } | |
1630 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; | |
4c42baf4 | 1631 | KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); |
2545bca0 | 1632 | xpt_done(ccb); |
2545bca0 | 1633 | mpt_free_request(mpt, req); |
2545bca0 MD |
1634 | return; |
1635 | } | |
1636 | ||
1637 | ccb->ccb_h.status |= CAM_SIM_QUEUED; | |
1638 | if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { | |
1639 | mpt_req_timeout(req, (ccb->ccb_h.timeout * hz) / 1000, | |
1640 | mpt_timeout, ccb); | |
1641 | } | |
1642 | if (mpt->verbose > MPT_PRT_DEBUG) { | |
1643 | int nc = 0; | |
1644 | mpt_print_request(req->req_vbuf); | |
1645 | for (trq = req->chain; trq; trq = trq->chain) { | |
1646 | kprintf(" Additional Chain Area %d\n", nc++); | |
1647 | mpt_dump_sgl(trq->req_vbuf, 0); | |
1648 | } | |
1649 | } | |
1650 | ||
1651 | if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { | |
1652 | request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); | |
1653 | mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); | |
1654 | #ifdef WE_TRUST_AUTO_GOOD_STATUS | |
1655 | if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && | |
1656 | csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { | |
1657 | tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; | |
1658 | } else { | |
1659 | tgt->state = TGT_STATE_MOVING_DATA; | |
1660 | } | |
1661 | #else | |
1662 | tgt->state = TGT_STATE_MOVING_DATA; | |
1663 | #endif | |
1664 | } | |
2545bca0 | 1665 | mpt_send_cmd(mpt, req); |
2545bca0 MD |
1666 | } |
1667 | ||
1668 | static void | |
1669 | mpt_execute_req(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) | |
1670 | { | |
1671 | request_t *req, *trq; | |
1672 | char *mpt_off; | |
1673 | union ccb *ccb; | |
1674 | struct mpt_softc *mpt; | |
1675 | int seg, first_lim; | |
1676 | uint32_t flags, nxt_off; | |
1677 | void *sglp = NULL; | |
1678 | MSG_REQUEST_HEADER *hdrp; | |
1679 | SGE_SIMPLE32 *se; | |
1680 | SGE_CHAIN32 *ce; | |
1681 | int istgt = 0; | |
1682 | ||
1683 | req = (request_t *)arg; | |
1684 | ccb = req->ccb; | |
1685 | ||
1686 | mpt = ccb->ccb_h.ccb_mpt_ptr; | |
1687 | req = ccb->ccb_h.ccb_req_ptr; | |
1688 | ||
1689 | hdrp = req->req_vbuf; | |
1690 | mpt_off = req->req_vbuf; | |
1691 | ||
1692 | ||
1693 | if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { | |
1694 | error = EFBIG; | |
1695 | } | |
1696 | ||
1697 | if (error == 0) { | |
1698 | switch (hdrp->Function) { | |
1699 | case MPI_FUNCTION_SCSI_IO_REQUEST: | |
1700 | case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: | |
1701 | sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL; | |
1702 | break; | |
1703 | case MPI_FUNCTION_TARGET_ASSIST: | |
1704 | istgt = 1; | |
1705 | sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL; | |
1706 | break; | |
1707 | default: | |
1708 | mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req\n", | |
1709 | hdrp->Function); | |
1710 | error = EINVAL; | |
1711 | break; | |
1712 | } | |
1713 | } | |
1714 | ||
1715 | if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { | |
1716 | error = EFBIG; | |
1717 | mpt_prt(mpt, "segment count %d too large (max %u)\n", | |
1718 | nseg, mpt->max_seg_cnt); | |
1719 | } | |
1720 | ||
1721 | bad: | |
1722 | if (error != 0) { | |
1723 | if (error != EFBIG && error != ENOMEM) { | |
1724 | mpt_prt(mpt, "mpt_execute_req: err %d\n", error); | |
1725 | } | |
1726 | if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { | |
1727 | cam_status status; | |
1728 | mpt_freeze_ccb(ccb); | |
1729 | if (error == EFBIG) { | |
1730 | status = CAM_REQ_TOO_BIG; | |
1731 | } else if (error == ENOMEM) { | |
1732 | if (mpt->outofbeer == 0) { | |
1733 | mpt->outofbeer = 1; | |
1734 | xpt_freeze_simq(mpt->sim, 1); | |
1735 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
1736 | "FREEZEQ\n"); | |
1737 | } | |
1738 | status = CAM_REQUEUE_REQ; | |
1739 | } else { | |
1740 | status = CAM_REQ_CMP_ERR; | |
1741 | } | |
1742 | mpt_set_ccb_status(ccb, status); | |
1743 | } | |
1744 | if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { | |
1745 | request_t *cmd_req = | |
1746 | MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); | |
1747 | MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; | |
1748 | MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; | |
1749 | MPT_TGT_STATE(mpt, cmd_req)->req = NULL; | |
1750 | } | |
1751 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; | |
4c42baf4 | 1752 | KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); |
2545bca0 | 1753 | xpt_done(ccb); |
2545bca0 | 1754 | mpt_free_request(mpt, req); |
2545bca0 MD |
1755 | return; |
1756 | } | |
1757 | ||
1758 | /* | |
1759 | * No data to transfer? | |
1760 | * Just make a single simple SGL with zero length. | |
1761 | */ | |
1762 | ||
1763 | if (mpt->verbose >= MPT_PRT_DEBUG) { | |
1764 | int tidx = ((char *)sglp) - mpt_off; | |
1765 | memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx); | |
1766 | } | |
1767 | ||
1768 | if (nseg == 0) { | |
1769 | SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp; | |
1770 | MPI_pSGE_SET_FLAGS(se1, | |
1771 | (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | | |
1772 | MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); | |
1773 | se1->FlagsLength = htole32(se1->FlagsLength); | |
1774 | goto out; | |
1775 | } | |
1776 | ||
1777 | ||
1778 | flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; | |
1779 | if (istgt == 0) { | |
1780 | if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { | |
1781 | flags |= MPI_SGE_FLAGS_HOST_TO_IOC; | |
1782 | } | |
1783 | } else { | |
1784 | if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { | |
1785 | flags |= MPI_SGE_FLAGS_HOST_TO_IOC; | |
1786 | } | |
1787 | } | |
1788 | ||
1789 | if (!(ccb->ccb_h.flags & (CAM_SG_LIST_PHYS|CAM_DATA_PHYS))) { | |
1790 | bus_dmasync_op_t op; | |
1791 | if (istgt) { | |
1792 | if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { | |
1793 | op = BUS_DMASYNC_PREREAD; | |
1794 | } else { | |
1795 | op = BUS_DMASYNC_PREWRITE; | |
1796 | } | |
1797 | } else { | |
1798 | if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { | |
1799 | op = BUS_DMASYNC_PREWRITE; | |
1800 | } else { | |
1801 | op = BUS_DMASYNC_PREREAD; | |
1802 | } | |
1803 | } | |
1804 | bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); | |
1805 | } | |
1806 | ||
1807 | /* | |
1808 | * Okay, fill in what we can at the end of the command frame. | |
1809 | * If we have up to MPT_NSGL_FIRST, we can fit them all into | |
1810 | * the command frame. | |
1811 | * | |
1812 | * Otherwise, we fill up through MPT_NSGL_FIRST less one | |
1813 | * SIMPLE32 pointers and start doing CHAIN32 entries after | |
1814 | * that. | |
1815 | */ | |
1816 | ||
1817 | if (nseg < MPT_NSGL_FIRST(mpt)) { | |
1818 | first_lim = nseg; | |
1819 | } else { | |
1820 | /* | |
1821 | * Leave room for CHAIN element | |
1822 | */ | |
1823 | first_lim = MPT_NSGL_FIRST(mpt) - 1; | |
1824 | } | |
1825 | ||
1826 | se = (SGE_SIMPLE32 *) sglp; | |
1827 | for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { | |
1828 | uint32_t tf; | |
1829 | ||
1830 | memset(se, 0,sizeof (*se)); | |
1831 | se->Address = htole32(dm_segs->ds_addr); | |
1832 | ||
2545bca0 MD |
1833 | MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); |
1834 | tf = flags; | |
1835 | if (seg == first_lim - 1) { | |
1836 | tf |= MPI_SGE_FLAGS_LAST_ELEMENT; | |
1837 | } | |
1838 | if (seg == nseg - 1) { | |
1839 | tf |= MPI_SGE_FLAGS_END_OF_LIST | | |
1840 | MPI_SGE_FLAGS_END_OF_BUFFER; | |
1841 | } | |
1842 | MPI_pSGE_SET_FLAGS(se, tf); | |
1843 | se->FlagsLength = htole32(se->FlagsLength); | |
1844 | } | |
1845 | ||
1846 | if (seg == nseg) { | |
1847 | goto out; | |
1848 | } | |
1849 | ||
1850 | /* | |
1851 | * Tell the IOC where to find the first chain element. | |
1852 | */ | |
1853 | hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2; | |
1854 | nxt_off = MPT_RQSL(mpt); | |
1855 | trq = req; | |
1856 | ||
1857 | /* | |
1858 | * Make up the rest of the data segments out of a chain element | |
4c42baf4 | 1859 | * (contained in the current request frame) which points to |
2545bca0 MD |
1860 | * SIMPLE32 elements in the next request frame, possibly ending |
1861 | * with *another* chain element (if there's more). | |
1862 | */ | |
1863 | while (seg < nseg) { | |
1864 | int this_seg_lim; | |
1865 | uint32_t tf, cur_off; | |
1866 | bus_addr_t chain_list_addr; | |
1867 | ||
1868 | /* | |
1869 | * Point to the chain descriptor. Note that the chain | |
1870 | * descriptor is at the end of the *previous* list (whether | |
1871 | * chain or simple). | |
1872 | */ | |
1873 | ce = (SGE_CHAIN32 *) se; | |
1874 | ||
1875 | /* | |
1876 | * Before we change our current pointer, make sure we won't | |
1877 | * overflow the request area with this frame. Note that we | |
1878 | * test against 'greater than' here as it's okay in this case | |
1879 | * to have next offset be just outside the request area. | |
1880 | */ | |
1881 | if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) { | |
1882 | nxt_off = MPT_REQUEST_AREA; | |
1883 | goto next_chain; | |
1884 | } | |
1885 | ||
1886 | /* | |
1887 | * Set our SGE element pointer to the beginning of the chain | |
1888 | * list and update our next chain list offset. | |
1889 | */ | |
1890 | se = (SGE_SIMPLE32 *) &mpt_off[nxt_off]; | |
1891 | cur_off = nxt_off; | |
1892 | nxt_off += MPT_RQSL(mpt); | |
1893 | ||
1894 | /* | |
4c42baf4 | 1895 | * Now initialize the chain descriptor. |
2545bca0 MD |
1896 | */ |
1897 | memset(ce, 0, sizeof (*ce)); | |
1898 | ||
1899 | /* | |
1900 | * Get the physical address of the chain list. | |
1901 | */ | |
1902 | chain_list_addr = trq->req_pbuf; | |
1903 | chain_list_addr += cur_off; | |
1904 | ||
1905 | ||
1906 | ||
1907 | ce->Address = htole32(chain_list_addr); | |
1908 | ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT; | |
1909 | ||
1910 | ||
1911 | /* | |
1912 | * If we have more than a frame's worth of segments left, | |
1913 | * set up the chain list to have the last element be another | |
1914 | * chain descriptor. | |
1915 | */ | |
1916 | if ((nseg - seg) > MPT_NSGL(mpt)) { | |
1917 | this_seg_lim = seg + MPT_NSGL(mpt) - 1; | |
1918 | /* | |
1919 | * The length of the chain is the length in bytes of the | |
1920 | * number of segments plus the next chain element. | |
1921 | * | |
1922 | * The next chain descriptor offset is the length, | |
1923 | * in words, of the number of segments. | |
1924 | */ | |
1925 | ce->Length = (this_seg_lim - seg) * | |
1926 | sizeof (SGE_SIMPLE32); | |
1927 | ce->NextChainOffset = ce->Length >> 2; | |
1928 | ce->Length += sizeof (SGE_CHAIN32); | |
1929 | } else { | |
1930 | this_seg_lim = nseg; | |
1931 | ce->Length = (this_seg_lim - seg) * | |
1932 | sizeof (SGE_SIMPLE32); | |
1933 | } | |
1934 | ce->Length = htole16(ce->Length); | |
1935 | ||
1936 | /* | |
1937 | * Fill in the chain list SGE elements with our segment data. | |
1938 | * | |
1939 | * If we're the last element in this chain list, set the last | |
1940 | * element flag. If we're the completely last element period, | |
1941 | * set the end of list and end of buffer flags. | |
1942 | */ | |
1943 | while (seg < this_seg_lim) { | |
1944 | memset(se, 0, sizeof (*se)); | |
1945 | se->Address = htole32(dm_segs->ds_addr); | |
1946 | ||
2545bca0 MD |
1947 | MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); |
1948 | tf = flags; | |
4c42baf4 | 1949 | if (seg == this_seg_lim - 1) { |
2545bca0 MD |
1950 | tf |= MPI_SGE_FLAGS_LAST_ELEMENT; |
1951 | } | |
1952 | if (seg == nseg - 1) { | |
1953 | tf |= MPI_SGE_FLAGS_END_OF_LIST | | |
1954 | MPI_SGE_FLAGS_END_OF_BUFFER; | |
1955 | } | |
1956 | MPI_pSGE_SET_FLAGS(se, tf); | |
1957 | se->FlagsLength = htole32(se->FlagsLength); | |
1958 | se++; | |
1959 | seg++; | |
1960 | dm_segs++; | |
1961 | } | |
1962 | ||
1963 | next_chain: | |
1964 | /* | |
1965 | * If we have more segments to do and we've used up all of | |
1966 | * the space in a request area, go allocate another one | |
1967 | * and chain to that. | |
1968 | */ | |
1969 | if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) { | |
1970 | request_t *nrq; | |
1971 | ||
2545bca0 | 1972 | nrq = mpt_get_request(mpt, FALSE); |
2545bca0 MD |
1973 | |
1974 | if (nrq == NULL) { | |
1975 | error = ENOMEM; | |
1976 | goto bad; | |
1977 | } | |
1978 | ||
1979 | /* | |
1980 | * Append the new request area on the tail of our list. | |
1981 | */ | |
1982 | if ((trq = req->chain) == NULL) { | |
1983 | req->chain = nrq; | |
1984 | } else { | |
1985 | while (trq->chain != NULL) { | |
1986 | trq = trq->chain; | |
1987 | } | |
1988 | trq->chain = nrq; | |
1989 | } | |
1990 | trq = nrq; | |
1991 | mpt_off = trq->req_vbuf; | |
1992 | if (mpt->verbose >= MPT_PRT_DEBUG) { | |
1993 | memset(mpt_off, 0xff, MPT_REQUEST_AREA); | |
1994 | } | |
1995 | nxt_off = 0; | |
1996 | } | |
1997 | } | |
1998 | out: | |
1999 | ||
2000 | /* | |
2001 | * Last time we need to check if this CCB needs to be aborted. | |
2002 | */ | |
2003 | if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { | |
2004 | if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { | |
2005 | request_t *cmd_req = | |
2006 | MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); | |
2007 | MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; | |
2008 | MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; | |
2009 | MPT_TGT_STATE(mpt, cmd_req)->req = NULL; | |
2010 | } | |
2011 | mpt_prt(mpt, | |
2012 | "mpt_execute_req: I/O cancelled (status 0x%x)\n", | |
2013 | ccb->ccb_h.status & CAM_STATUS_MASK); | |
2014 | if (nseg && (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { | |
2015 | bus_dmamap_unload(mpt->buffer_dmat, req->dmap); | |
2016 | } | |
2017 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; | |
4c42baf4 | 2018 | KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); |
2545bca0 | 2019 | xpt_done(ccb); |
2545bca0 | 2020 | mpt_free_request(mpt, req); |
2545bca0 MD |
2021 | return; |
2022 | } | |
2023 | ||
2024 | ccb->ccb_h.status |= CAM_SIM_QUEUED; | |
2025 | if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { | |
2026 | mpt_req_timeout(req, (ccb->ccb_h.timeout * hz) / 1000, | |
2027 | mpt_timeout, ccb); | |
2028 | } | |
2029 | if (mpt->verbose > MPT_PRT_DEBUG) { | |
2030 | int nc = 0; | |
2031 | mpt_print_request(req->req_vbuf); | |
2032 | for (trq = req->chain; trq; trq = trq->chain) { | |
2033 | kprintf(" Additional Chain Area %d\n", nc++); | |
2034 | mpt_dump_sgl(trq->req_vbuf, 0); | |
2035 | } | |
2036 | } | |
2037 | ||
2038 | if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { | |
2039 | request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); | |
2040 | mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); | |
2041 | #ifdef WE_TRUST_AUTO_GOOD_STATUS | |
2042 | if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && | |
2043 | csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { | |
2044 | tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; | |
2045 | } else { | |
2046 | tgt->state = TGT_STATE_MOVING_DATA; | |
2047 | } | |
2048 | #else | |
2049 | tgt->state = TGT_STATE_MOVING_DATA; | |
2050 | #endif | |
2051 | } | |
2545bca0 | 2052 | mpt_send_cmd(mpt, req); |
2545bca0 MD |
2053 | } |
2054 | ||
2055 | static void | |
2056 | mpt_start(struct cam_sim *sim, union ccb *ccb) | |
2057 | { | |
2058 | request_t *req; | |
2059 | struct mpt_softc *mpt; | |
2060 | MSG_SCSI_IO_REQUEST *mpt_req; | |
2061 | struct ccb_scsiio *csio = &ccb->csio; | |
2062 | struct ccb_hdr *ccbh = &ccb->ccb_h; | |
2063 | bus_dmamap_callback_t *cb; | |
2064 | target_id_t tgt; | |
2065 | int raid_passthru; | |
2066 | ||
2067 | /* Get the pointer for the physical addapter */ | |
2068 | mpt = ccb->ccb_h.ccb_mpt_ptr; | |
2069 | raid_passthru = (sim == mpt->phydisk_sim); | |
2070 | ||
2545bca0 MD |
2071 | if ((req = mpt_get_request(mpt, FALSE)) == NULL) { |
2072 | if (mpt->outofbeer == 0) { | |
2073 | mpt->outofbeer = 1; | |
2074 | xpt_freeze_simq(mpt->sim, 1); | |
2075 | mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); | |
2076 | } | |
2077 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; | |
2078 | mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); | |
2545bca0 MD |
2079 | xpt_done(ccb); |
2080 | return; | |
2081 | } | |
2082 | #ifdef INVARIANTS | |
2083 | mpt_req_not_spcl(mpt, req, "mpt_start", __LINE__); | |
2084 | #endif | |
2545bca0 MD |
2085 | |
2086 | if (sizeof (bus_addr_t) > 4) { | |
2087 | cb = mpt_execute_req_a64; | |
2088 | } else { | |
2089 | cb = mpt_execute_req; | |
2090 | } | |
2091 | ||
2092 | /* | |
2093 | * Link the ccb and the request structure so we can find | |
2094 | * the other knowing either the request or the ccb | |
2095 | */ | |
2096 | req->ccb = ccb; | |
2097 | ccb->ccb_h.ccb_req_ptr = req; | |
2098 | ||
2099 | /* Now we build the command for the IOC */ | |
2100 | mpt_req = req->req_vbuf; | |
2101 | memset(mpt_req, 0, sizeof (MSG_SCSI_IO_REQUEST)); | |
2102 | ||
2103 | mpt_req->Function = MPI_FUNCTION_SCSI_IO_REQUEST; | |
2104 | if (raid_passthru) { | |
2105 | mpt_req->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; | |
2545bca0 | 2106 | if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) { |
2545bca0 MD |
2107 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; |
2108 | mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE); | |
2109 | xpt_done(ccb); | |
2110 | return; | |
2111 | } | |
2545bca0 MD |
2112 | mpt_req->Bus = 0; /* we never set bus here */ |
2113 | } else { | |
2114 | tgt = ccb->ccb_h.target_id; | |
2115 | mpt_req->Bus = 0; /* XXX */ | |
2116 | ||
2117 | } | |
2118 | mpt_req->SenseBufferLength = | |
2119 | (csio->sense_len < MPT_SENSE_SIZE) ? | |
2120 | csio->sense_len : MPT_SENSE_SIZE; | |
2121 | ||
2122 | /* | |
2123 | * We use the message context to find the request structure when we | |
2124 | * Get the command completion interrupt from the IOC. | |
2125 | */ | |
2126 | mpt_req->MsgContext = htole32(req->index | scsi_io_handler_id); | |
2127 | ||
2128 | /* Which physical device to do the I/O on */ | |
2129 | mpt_req->TargetID = tgt; | |
2130 | ||
2131 | /* We assume a single level LUN type */ | |
2132 | if (ccb->ccb_h.target_lun >= MPT_MAX_LUNS) { | |
2133 | mpt_req->LUN[0] = 0x40 | ((ccb->ccb_h.target_lun >> 8) & 0x3f); | |
2134 | mpt_req->LUN[1] = ccb->ccb_h.target_lun & 0xff; | |
2135 | } else { | |
2136 | mpt_req->LUN[1] = ccb->ccb_h.target_lun; | |
2137 | } | |
2138 | ||
2139 | /* Set the direction of the transfer */ | |
2140 | if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { | |
2141 | mpt_req->Control = MPI_SCSIIO_CONTROL_READ; | |
2142 | } else if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { | |
2143 | mpt_req->Control = MPI_SCSIIO_CONTROL_WRITE; | |
2144 | } else { | |
2145 | mpt_req->Control = MPI_SCSIIO_CONTROL_NODATATRANSFER; | |
2146 | } | |
2147 | ||
2148 | if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) != 0) { | |
2149 | switch(ccb->csio.tag_action) { | |
2150 | case MSG_HEAD_OF_Q_TAG: | |
2151 | mpt_req->Control |= MPI_SCSIIO_CONTROL_HEADOFQ; | |
2152 | break; | |
2153 | case MSG_ACA_TASK: | |
2154 | mpt_req->Control |= MPI_SCSIIO_CONTROL_ACAQ; | |
2155 | break; | |
2156 | case MSG_ORDERED_Q_TAG: | |
2157 | mpt_req->Control |= MPI_SCSIIO_CONTROL_ORDEREDQ; | |
2158 | break; | |
2159 | case MSG_SIMPLE_Q_TAG: | |
2160 | default: | |
2161 | mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; | |
2162 | break; | |
2163 | } | |
2164 | } else { | |
2165 | if (mpt->is_fc || mpt->is_sas) { | |
2166 | mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; | |
2167 | } else { | |
2168 | /* XXX No such thing for a target doing packetized. */ | |
2169 | mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED; | |
2170 | } | |
2171 | } | |
2172 | ||
2173 | if (mpt->is_spi) { | |
2174 | if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) { | |
2175 | mpt_req->Control |= MPI_SCSIIO_CONTROL_NO_DISCONNECT; | |
2176 | } | |
2177 | } | |
2178 | mpt_req->Control = htole32(mpt_req->Control); | |
2179 | ||
2180 | /* Copy the scsi command block into place */ | |
2181 | if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { | |
2182 | bcopy(csio->cdb_io.cdb_ptr, mpt_req->CDB, csio->cdb_len); | |
2183 | } else { | |
2184 | bcopy(csio->cdb_io.cdb_bytes, mpt_req->CDB, csio->cdb_len); | |
2185 | } | |
2186 | ||
2187 | mpt_req->CDBLength = csio->cdb_len; | |
2188 | mpt_req->DataLength = htole32(csio->dxfer_len); | |
2189 | mpt_req->SenseBufferLowAddr = htole32(req->sense_pbuf); | |
2190 | ||
2191 | /* | |
2192 | * Do a *short* print here if we're set to MPT_PRT_DEBUG | |
2193 | */ | |
2194 | if (mpt->verbose == MPT_PRT_DEBUG) { | |
2195 | U32 df; | |
2196 | mpt_prt(mpt, "mpt_start: %s op 0x%x ", | |
2197 | (mpt_req->Function == MPI_FUNCTION_SCSI_IO_REQUEST)? | |
2198 | "SCSI_IO_REQUEST" : "SCSI_IO_PASSTHRU", mpt_req->CDB[0]); | |
2199 | df = mpt_req->Control & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK; | |
2200 | if (df != MPI_SCSIIO_CONTROL_NODATATRANSFER) { | |
2201 | mpt_prtc(mpt, "(%s %u byte%s ", | |
2202 | (df == MPI_SCSIIO_CONTROL_READ)? | |
2203 | "read" : "write", csio->dxfer_len, | |
2204 | (csio->dxfer_len == 1)? ")" : "s)"); | |
2205 | } | |
2206 | mpt_prtc(mpt, "tgt %u lun %u req %p:%u\n", tgt, | |
2207 | ccb->ccb_h.target_lun, req, req->serno); | |
2208 | } | |
2209 | ||
2210 | /* | |
2211 | * If we have any data to send with this command map it into bus space. | |
2212 | */ | |
2213 | if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { | |
2214 | if ((ccbh->flags & CAM_SCATTER_VALID) == 0) { | |
2215 | /* | |
2216 | * We've been given a pointer to a single buffer. | |
2217 | */ | |
2218 | if ((ccbh->flags & CAM_DATA_PHYS) == 0) { | |
2219 | /* | |
2220 | * Virtual address that needs to translated into | |
2221 | * one or more physical address ranges. | |
2222 | */ | |
2223 | int error; | |
6d259fc1 | 2224 | crit_enter(); |
2545bca0 MD |
2225 | error = bus_dmamap_load(mpt->buffer_dmat, |
2226 | req->dmap, csio->data_ptr, csio->dxfer_len, | |
2227 | cb, req, 0); | |
6d259fc1 | 2228 | crit_exit(); |
2545bca0 MD |
2229 | if (error == EINPROGRESS) { |
2230 | /* | |
2231 | * So as to maintain ordering, | |
2232 | * freeze the controller queue | |
2233 | * until our mapping is | |
2234 | * returned. | |
2235 | */ | |
2236 | xpt_freeze_simq(mpt->sim, 1); | |
2237 | ccbh->status |= CAM_RELEASE_SIMQ; | |
2238 | } | |
2239 | } else { | |
2240 | /* | |
2241 | * We have been given a pointer to single | |
2242 | * physical buffer. | |
2243 | */ | |
2244 | struct bus_dma_segment seg; | |
2245 | seg.ds_addr = | |
2246 | (bus_addr_t)(vm_offset_t)csio->data_ptr; | |
2247 | seg.ds_len = csio->dxfer_len; | |
2248 | (*cb)(req, &seg, 1, 0); | |
2249 | } | |
2250 | } else { | |
2251 | /* | |
2252 | * We have been given a list of addresses. | |
2253 | * This case could be easily supported but they are not | |
2254 | * currently generated by the CAM subsystem so there | |
2255 | * is no point in wasting the time right now. | |
2256 | */ | |
2257 | struct bus_dma_segment *segs; | |
2258 | if ((ccbh->flags & CAM_SG_LIST_PHYS) == 0) { | |
2259 | (*cb)(req, NULL, 0, EFAULT); | |
2260 | } else { | |
2261 | /* Just use the segments provided */ | |
2262 | segs = (struct bus_dma_segment *)csio->data_ptr; | |
2263 | (*cb)(req, segs, csio->sglist_cnt, 0); | |
2264 | } | |
2265 | } | |
2266 | } else { | |
2267 | (*cb)(req, NULL, 0, 0); | |
2268 | } | |
2269 | } | |
2270 | ||
2271 | static int | |
2272 | mpt_bus_reset(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun, | |
2273 | int sleep_ok) | |
2274 | { | |
2275 | int error; | |
2276 | uint16_t status; | |
2277 | uint8_t response; | |
2278 | ||
2279 | error = mpt_scsi_send_tmf(mpt, | |
2280 | (tgt != CAM_TARGET_WILDCARD || lun != CAM_LUN_WILDCARD) ? | |
2281 | MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET : | |
2282 | MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, | |
2283 | mpt->is_fc ? MPI_SCSITASKMGMT_MSGFLAGS_LIP_RESET_OPTION : 0, | |
2284 | 0, /* XXX How do I get the channel ID? */ | |
2285 | tgt != CAM_TARGET_WILDCARD ? tgt : 0, | |
2286 | lun != CAM_LUN_WILDCARD ? lun : 0, | |
2287 | 0, sleep_ok); | |
2288 | ||
2289 | if (error != 0) { | |
2290 | /* | |
2291 | * mpt_scsi_send_tmf hard resets on failure, so no | |
2292 | * need to do so here. | |
2293 | */ | |
2294 | mpt_prt(mpt, | |
2295 | "mpt_bus_reset: mpt_scsi_send_tmf returned %d\n", error); | |
2296 | return (EIO); | |
2297 | } | |
2298 | ||
2299 | /* Wait for bus reset to be processed by the IOC. */ | |
2300 | error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE, | |
2301 | REQ_STATE_DONE, sleep_ok, 5000); | |
2302 | ||
2303 | status = le16toh(mpt->tmf_req->IOCStatus); | |
2304 | response = mpt->tmf_req->ResponseCode; | |
2305 | mpt->tmf_req->state = REQ_STATE_FREE; | |
2306 | ||
2307 | if (error) { | |
2308 | mpt_prt(mpt, "mpt_bus_reset: Reset timed-out. " | |
2309 | "Resetting controller.\n"); | |
2310 | mpt_reset(mpt, TRUE); | |
2311 | return (ETIMEDOUT); | |
2312 | } | |
2313 | ||
2314 | if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { | |
2315 | mpt_prt(mpt, "mpt_bus_reset: TMF IOC Status 0x%x. " | |
2316 | "Resetting controller.\n", status); | |
2317 | mpt_reset(mpt, TRUE); | |
2318 | return (EIO); | |
2319 | } | |
2320 | ||
2321 | if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED && | |
2322 | response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) { | |
2323 | mpt_prt(mpt, "mpt_bus_reset: TMF Response 0x%x. " | |
2324 | "Resetting controller.\n", response); | |
2325 | mpt_reset(mpt, TRUE); | |
2326 | return (EIO); | |
2327 | } | |
2328 | return (0); | |
2329 | } | |
2330 | ||
2331 | static int | |
2332 | mpt_fc_reset_link(struct mpt_softc *mpt, int dowait) | |
2333 | { | |
2334 | int r = 0; | |
2335 | request_t *req; | |
2336 | PTR_MSG_FC_PRIMITIVE_SEND_REQUEST fc; | |
2337 | ||
2338 | req = mpt_get_request(mpt, FALSE); | |
2339 | if (req == NULL) { | |
2340 | return (ENOMEM); | |
2341 | } | |
2342 | fc = req->req_vbuf; | |
2343 | memset(fc, 0, sizeof(*fc)); | |
2344 | fc->SendFlags = MPI_FC_PRIM_SEND_FLAGS_RESET_LINK; | |
2345 | fc->Function = MPI_FUNCTION_FC_PRIMITIVE_SEND; | |
2346 | fc->MsgContext = htole32(req->index | fc_els_handler_id); | |
2347 | mpt_send_cmd(mpt, req); | |
2348 | if (dowait) { | |
2349 | r = mpt_wait_req(mpt, req, REQ_STATE_DONE, | |
2350 | REQ_STATE_DONE, FALSE, 60 * 1000); | |
2351 | if (r == 0) { | |
2352 | mpt_free_request(mpt, req); | |
2353 | } | |
2354 | } | |
2355 | return (r); | |
2356 | } | |
2357 | ||
6d259fc1 SW |
2358 | static void |
2359 | mpt_cam_rescan_callback(struct cam_periph *periph, union ccb *ccb) | |
2360 | { | |
2361 | xpt_free_path(ccb->ccb_h.path); | |
cec957e9 | 2362 | xpt_free_ccb(&ccb->ccb_h); |
6d259fc1 SW |
2363 | } |
2364 | ||
2545bca0 MD |
2365 | static int |
2366 | mpt_cam_event(struct mpt_softc *mpt, request_t *req, | |
2367 | MSG_EVENT_NOTIFY_REPLY *msg) | |
2368 | { | |
2369 | uint32_t data0, data1; | |
2370 | ||
2371 | data0 = le32toh(msg->Data[0]); | |
2372 | data1 = le32toh(msg->Data[1]); | |
2373 | switch(msg->Event & 0xFF) { | |
2374 | case MPI_EVENT_UNIT_ATTENTION: | |
2375 | mpt_prt(mpt, "UNIT ATTENTION: Bus: 0x%02x TargetID: 0x%02x\n", | |
2376 | (data0 >> 8) & 0xff, data0 & 0xff); | |
2377 | break; | |
2378 | ||
2379 | case MPI_EVENT_IOC_BUS_RESET: | |
2380 | /* We generated a bus reset */ | |
2381 | mpt_prt(mpt, "IOC Generated Bus Reset Port: %d\n", | |
2382 | (data0 >> 8) & 0xff); | |
2383 | xpt_async(AC_BUS_RESET, mpt->path, NULL); | |
2384 | break; | |
2385 | ||
2386 | case MPI_EVENT_EXT_BUS_RESET: | |
2387 | /* Someone else generated a bus reset */ | |
2388 | mpt_prt(mpt, "External Bus Reset Detected\n"); | |
2389 | /* | |
2390 | * These replies don't return EventData like the MPI | |
2391 | * spec says they do | |
2392 | */ | |
2393 | xpt_async(AC_BUS_RESET, mpt->path, NULL); | |
2394 | break; | |
2395 | ||
2396 | case MPI_EVENT_RESCAN: | |
2545bca0 MD |
2397 | { |
2398 | union ccb *ccb; | |
2399 | uint32_t pathid; | |
2400 | /* | |
2401 | * In general this means a device has been added to the loop. | |
2402 | */ | |
2403 | mpt_prt(mpt, "Rescan Port: %d\n", (data0 >> 8) & 0xff); | |
2404 | if (mpt->ready == 0) { | |
2405 | break; | |
2406 | } | |
2407 | if (mpt->phydisk_sim) { | |
2408 | pathid = cam_sim_path(mpt->phydisk_sim); | |
2409 | } else { | |
2410 | pathid = cam_sim_path(mpt->sim); | |
2411 | } | |
2545bca0 MD |
2412 | /* |
2413 | * Allocate a CCB, create a wildcard path for this bus, | |
2414 | * and schedule a rescan. | |
2415 | */ | |
cec957e9 | 2416 | ccb = xpt_alloc_ccb(); |
2545bca0 MD |
2417 | |
2418 | if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, pathid, | |
2419 | CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { | |
2545bca0 | 2420 | mpt_prt(mpt, "unable to create path for rescan\n"); |
cec957e9 | 2421 | xpt_free_ccb(&ccb->ccb_h); |
2545bca0 MD |
2422 | break; |
2423 | } | |
6d259fc1 | 2424 | |
cec957e9 | 2425 | xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, /*lowpri*/5); |
6d259fc1 SW |
2426 | ccb->ccb_h.func_code = XPT_SCAN_BUS; |
2427 | ccb->ccb_h.cbfcnp = mpt_cam_rescan_callback; | |
2428 | ccb->crcn.flags = CAM_FLAG_NONE; | |
2429 | xpt_action(ccb); | |
6d259fc1 SW |
2430 | /* scan is now in progress */ |
2431 | ||
2545bca0 MD |
2432 | break; |
2433 | } | |
2545bca0 MD |
2434 | case MPI_EVENT_LINK_STATUS_CHANGE: |
2435 | mpt_prt(mpt, "Port %d: LinkState: %s\n", | |
2436 | (data1 >> 8) & 0xff, | |
2437 | ((data0 & 0xff) == 0)? "Failed" : "Active"); | |
2438 | break; | |
2439 | ||
2440 | case MPI_EVENT_LOOP_STATE_CHANGE: | |
2441 | switch ((data0 >> 16) & 0xff) { | |
2442 | case 0x01: | |
2443 | mpt_prt(mpt, | |
2444 | "Port 0x%x: FC LinkEvent: LIP(%02x,%02x) " | |
2445 | "(Loop Initialization)\n", | |
2446 | (data1 >> 8) & 0xff, | |
2447 | (data0 >> 8) & 0xff, | |
2448 | (data0 ) & 0xff); | |
2449 | switch ((data0 >> 8) & 0xff) { | |
2450 | case 0xF7: | |
2451 | if ((data0 & 0xff) == 0xF7) { | |
2452 | mpt_prt(mpt, "Device needs AL_PA\n"); | |
2453 | } else { | |
2454 | mpt_prt(mpt, "Device %02x doesn't like " | |
2455 | "FC performance\n", | |
2456 | data0 & 0xFF); | |
2457 | } | |
2458 | break; | |
2459 | case 0xF8: | |
2460 | if ((data0 & 0xff) == 0xF7) { | |
2461 | mpt_prt(mpt, "Device had loop failure " | |
2462 | "at its receiver prior to acquiring" | |
2463 | " AL_PA\n"); | |
2464 | } else { | |
2465 | mpt_prt(mpt, "Device %02x detected loop" | |
2466 | " failure at its receiver\n", | |
2467 | data0 & 0xFF); | |
2468 | } | |
2469 | break; | |
2470 | default: | |
2471 | mpt_prt(mpt, "Device %02x requests that device " | |
2472 | "%02x reset itself\n", | |
2473 | data0 & 0xFF, | |
2474 | (data0 >> 8) & 0xFF); | |
2475 | break; | |
2476 | } | |
2477 | break; | |
2478 | case 0x02: | |
2479 | mpt_prt(mpt, "Port 0x%x: FC LinkEvent: " | |
2480 | "LPE(%02x,%02x) (Loop Port Enable)\n", | |
2481 | (data1 >> 8) & 0xff, /* Port */ | |
2482 | (data0 >> 8) & 0xff, /* Character 3 */ | |
2483 | (data0 ) & 0xff /* Character 4 */); | |
2484 | break; | |
2485 | case 0x03: | |
2486 | mpt_prt(mpt, "Port 0x%x: FC LinkEvent: " | |
2487 | "LPB(%02x,%02x) (Loop Port Bypass)\n", | |
2488 | (data1 >> 8) & 0xff, /* Port */ | |
2489 | (data0 >> 8) & 0xff, /* Character 3 */ | |
2490 | (data0 ) & 0xff /* Character 4 */); | |
2491 | break; | |
2492 | default: | |
2493 | mpt_prt(mpt, "Port 0x%x: FC LinkEvent: Unknown " | |
2494 | "FC event (%02x %02x %02x)\n", | |
2495 | (data1 >> 8) & 0xff, /* Port */ | |
2496 | (data0 >> 16) & 0xff, /* Event */ | |
2497 | (data0 >> 8) & 0xff, /* Character 3 */ | |
2498 | (data0 ) & 0xff /* Character 4 */); | |
2499 | } | |
2500 | break; | |
2501 | ||
2502 | case MPI_EVENT_LOGOUT: | |
2503 | mpt_prt(mpt, "FC Logout Port: %d N_PortID: %02x\n", | |
2504 | (data1 >> 8) & 0xff, data0); | |
2505 | break; | |
2506 | case MPI_EVENT_QUEUE_FULL: | |
2507 | { | |
2508 | struct cam_sim *sim; | |
2509 | struct cam_path *tmppath; | |
cec957e9 | 2510 | struct ccb_relsim *crs; |
2545bca0 MD |
2511 | PTR_EVENT_DATA_QUEUE_FULL pqf; |
2512 | lun_id_t lun_id; | |
2513 | ||
2514 | pqf = (PTR_EVENT_DATA_QUEUE_FULL)msg->Data; | |
2515 | pqf->CurrentDepth = le16toh(pqf->CurrentDepth); | |
2516 | mpt_prt(mpt, "QUEUE FULL EVENT: Bus 0x%02x Target 0x%02x Depth " | |
2517 | "%d\n", pqf->Bus, pqf->TargetID, pqf->CurrentDepth); | |
4c42baf4 SW |
2518 | if (mpt->phydisk_sim && mpt_is_raid_member(mpt, |
2519 | pqf->TargetID) != 0) { | |
2545bca0 MD |
2520 | sim = mpt->phydisk_sim; |
2521 | } else { | |
2522 | sim = mpt->sim; | |
2523 | } | |
2545bca0 MD |
2524 | for (lun_id = 0; lun_id < MPT_MAX_LUNS; lun_id++) { |
2525 | if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim), | |
2526 | pqf->TargetID, lun_id) != CAM_REQ_CMP) { | |
2527 | mpt_prt(mpt, "unable to create a path to send " | |
2528 | "XPT_REL_SIMQ"); | |
2545bca0 MD |
2529 | break; |
2530 | } | |
cec957e9 MD |
2531 | crs = &xpt_alloc_ccb()->crs; |
2532 | xpt_setup_ccb(&crs->ccb_h, tmppath, 5); | |
2533 | crs->ccb_h.func_code = XPT_REL_SIMQ; | |
2534 | crs->ccb_h.flags = CAM_DEV_QFREEZE; | |
2535 | crs->release_flags = RELSIM_ADJUST_OPENINGS; | |
2536 | crs->openings = pqf->CurrentDepth - 1; | |
2537 | xpt_action((union ccb *)crs); | |
2538 | if (crs->ccb_h.status != CAM_REQ_CMP) { | |
2545bca0 MD |
2539 | mpt_prt(mpt, "XPT_REL_SIMQ failed\n"); |
2540 | } | |
2541 | xpt_free_path(tmppath); | |
cec957e9 | 2542 | xpt_free_ccb(&crs->ccb_h); |
2545bca0 | 2543 | } |
2545bca0 MD |
2544 | break; |
2545 | } | |
6d259fc1 SW |
2546 | case MPI_EVENT_IR_RESYNC_UPDATE: |
2547 | mpt_prt(mpt, "IR resync update %d completed\n", | |
2548 | (data0 >> 16) & 0xff); | |
2549 | break; | |
4c42baf4 SW |
2550 | case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: |
2551 | { | |
2552 | union ccb *ccb; | |
2553 | struct cam_sim *sim; | |
2554 | struct cam_path *tmppath; | |
2555 | PTR_EVENT_DATA_SAS_DEVICE_STATUS_CHANGE psdsc; | |
2556 | ||
2557 | psdsc = (PTR_EVENT_DATA_SAS_DEVICE_STATUS_CHANGE)msg->Data; | |
2558 | if (mpt->phydisk_sim && mpt_is_raid_member(mpt, | |
2559 | psdsc->TargetID) != 0) | |
2560 | sim = mpt->phydisk_sim; | |
2561 | else | |
2562 | sim = mpt->sim; | |
2563 | switch(psdsc->ReasonCode) { | |
2564 | case MPI_EVENT_SAS_DEV_STAT_RC_ADDED: | |
cec957e9 | 2565 | ccb = xpt_alloc_ccb(); |
4c42baf4 SW |
2566 | if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, |
2567 | cam_sim_path(sim), psdsc->TargetID, | |
2568 | CAM_LUN_WILDCARD) != CAM_REQ_CMP) { | |
4c42baf4 SW |
2569 | mpt_prt(mpt, |
2570 | "unable to create path for rescan\n"); | |
cec957e9 | 2571 | xpt_free_ccb(&ccb->ccb_h); |
4c42baf4 SW |
2572 | break; |
2573 | } | |
cec957e9 | 2574 | xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, /*lopri*/5); |
4c42baf4 SW |
2575 | ccb->ccb_h.func_code = XPT_SCAN_BUS; |
2576 | ccb->ccb_h.cbfcnp = mpt_cam_rescan_callback; | |
2577 | ccb->crcn.flags = CAM_FLAG_NONE; | |
2578 | xpt_action(ccb); | |
cec957e9 | 2579 | /* scan now in progress */ |
4c42baf4 SW |
2580 | break; |
2581 | case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING: | |
4c42baf4 SW |
2582 | if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim), |
2583 | psdsc->TargetID, CAM_LUN_WILDCARD) != | |
2584 | CAM_REQ_CMP) { | |
2585 | mpt_prt(mpt, | |
2586 | "unable to create path for async event"); | |
4c42baf4 SW |
2587 | break; |
2588 | } | |
2589 | xpt_async(AC_LOST_DEVICE, tmppath, NULL); | |
2590 | xpt_free_path(tmppath); | |
4c42baf4 SW |
2591 | break; |
2592 | case MPI_EVENT_SAS_DEV_STAT_RC_CMPL_INTERNAL_DEV_RESET: | |
2593 | case MPI_EVENT_SAS_DEV_STAT_RC_CMPL_TASK_ABORT_INTERNAL: | |
2594 | case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: | |
2595 | break; | |
2596 | default: | |
2597 | mpt_lprt(mpt, MPT_PRT_WARN, | |
2598 | "SAS device status change: Bus: 0x%02x TargetID: " | |
2599 | "0x%02x ReasonCode: 0x%02x\n", psdsc->Bus, | |
2600 | psdsc->TargetID, psdsc->ReasonCode); | |
2601 | break; | |
2602 | } | |
2603 | break; | |
2604 | } | |
2605 | case MPI_EVENT_SAS_DISCOVERY_ERROR: | |
2606 | { | |
2607 | PTR_EVENT_DATA_DISCOVERY_ERROR pde; | |
2608 | ||
2609 | pde = (PTR_EVENT_DATA_DISCOVERY_ERROR)msg->Data; | |
2610 | pde->DiscoveryStatus = le32toh(pde->DiscoveryStatus); | |
2611 | mpt_lprt(mpt, MPT_PRT_WARN, | |
2612 | "SAS discovery error: Port: 0x%02x Status: 0x%08x\n", | |
2613 | pde->Port, pde->DiscoveryStatus); | |
2614 | break; | |
2615 | } | |
2545bca0 MD |
2616 | case MPI_EVENT_EVENT_CHANGE: |
2617 | case MPI_EVENT_INTEGRATED_RAID: | |
4c42baf4 SW |
2618 | case MPI_EVENT_IR2: |
2619 | case MPI_EVENT_LOG_ENTRY_ADDED: | |
2620 | case MPI_EVENT_SAS_DISCOVERY: | |
2621 | case MPI_EVENT_SAS_PHY_LINK_STATUS: | |
2545bca0 MD |
2622 | case MPI_EVENT_SAS_SES: |
2623 | break; | |
2624 | default: | |
2625 | mpt_lprt(mpt, MPT_PRT_WARN, "mpt_cam_event: 0x%x\n", | |
6d259fc1 | 2626 | msg->Event & 0xFF); |
2545bca0 MD |
2627 | return (0); |
2628 | } | |
2629 | return (1); | |
2630 | } | |
2631 | ||
2632 | /* | |
2633 | * Reply path for all SCSI I/O requests, called from our | |
2634 | * interrupt handler by extracting our handler index from | |
2635 | * the MsgContext field of the reply from the IOC. | |
2636 | * | |
2637 | * This routine is optimized for the common case of a | |
2638 | * completion without error. All exception handling is | |
2639 | * offloaded to non-inlined helper routines to minimize | |
2640 | * cache footprint. | |
2641 | */ | |
2642 | static int | |
2643 | mpt_scsi_reply_handler(struct mpt_softc *mpt, request_t *req, | |
2644 | uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) | |
2645 | { | |
2646 | MSG_SCSI_IO_REQUEST *scsi_req; | |
2647 | union ccb *ccb; | |
2648 | ||
2649 | if (req->state == REQ_STATE_FREE) { | |
2650 | mpt_prt(mpt, "mpt_scsi_reply_handler: req already free\n"); | |
2651 | return (TRUE); | |
2652 | } | |
2653 | ||
2654 | scsi_req = (MSG_SCSI_IO_REQUEST *)req->req_vbuf; | |
2655 | ccb = req->ccb; | |
2656 | if (ccb == NULL) { | |
2657 | mpt_prt(mpt, "mpt_scsi_reply_handler: req %p:%u with no ccb\n", | |
2658 | req, req->serno); | |
2659 | return (TRUE); | |
2660 | } | |
2661 | ||
2662 | mpt_req_untimeout(req, mpt_timeout, ccb); | |
2663 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; | |
2664 | ||
2665 | if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { | |
2666 | bus_dmasync_op_t op; | |
2667 | ||
2668 | if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) | |
2669 | op = BUS_DMASYNC_POSTREAD; | |
2670 | else | |
2671 | op = BUS_DMASYNC_POSTWRITE; | |
2672 | bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); | |
2673 | bus_dmamap_unload(mpt->buffer_dmat, req->dmap); | |
2674 | } | |
2675 | ||
2676 | if (reply_frame == NULL) { | |
2677 | /* | |
2678 | * Context only reply, completion without error status. | |
2679 | */ | |
2680 | ccb->csio.resid = 0; | |
2681 | mpt_set_ccb_status(ccb, CAM_REQ_CMP); | |
2682 | ccb->csio.scsi_status = SCSI_STATUS_OK; | |
2683 | } else { | |
2684 | mpt_scsi_reply_frame_handler(mpt, req, reply_frame); | |
2685 | } | |
2686 | ||
2687 | if (mpt->outofbeer) { | |
2688 | ccb->ccb_h.status |= CAM_RELEASE_SIMQ; | |
2689 | mpt->outofbeer = 0; | |
2690 | mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); | |
2691 | } | |
2692 | if (scsi_req->CDB[0] == INQUIRY && (scsi_req->CDB[1] & SI_EVPD) == 0) { | |
2693 | struct scsi_inquiry_data *iq = | |
2694 | (struct scsi_inquiry_data *)ccb->csio.data_ptr; | |
2695 | if (scsi_req->Function == | |
2696 | MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { | |
2697 | /* | |
2698 | * Fake out the device type so that only the | |
2699 | * pass-thru device will attach. | |
2700 | */ | |
2701 | iq->device &= ~0x1F; | |
2702 | iq->device |= T_NODEVICE; | |
2703 | } | |
2704 | } | |
2705 | if (mpt->verbose == MPT_PRT_DEBUG) { | |
2706 | mpt_prt(mpt, "mpt_scsi_reply_handler: %p:%u complete\n", | |
2707 | req, req->serno); | |
2708 | } | |
4c42baf4 | 2709 | KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); |
2545bca0 | 2710 | xpt_done(ccb); |
2545bca0 MD |
2711 | if ((req->state & REQ_STATE_TIMEDOUT) == 0) { |
2712 | TAILQ_REMOVE(&mpt->request_pending_list, req, links); | |
2713 | } else { | |
2714 | mpt_prt(mpt, "completing timedout/aborted req %p:%u\n", | |
2715 | req, req->serno); | |
2716 | TAILQ_REMOVE(&mpt->request_timeout_list, req, links); | |
2717 | } | |
2718 | KASSERT((req->state & REQ_STATE_NEED_WAKEUP) == 0, | |
2719 | ("CCB req needed wakeup")); | |
2720 | #ifdef INVARIANTS | |
2721 | mpt_req_not_spcl(mpt, req, "mpt_scsi_reply_handler", __LINE__); | |
2722 | #endif | |
2723 | mpt_free_request(mpt, req); | |
2724 | return (TRUE); | |
2725 | } | |
2726 | ||
2727 | static int | |
2728 | mpt_scsi_tmf_reply_handler(struct mpt_softc *mpt, request_t *req, | |
2729 | uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) | |
2730 | { | |
2731 | MSG_SCSI_TASK_MGMT_REPLY *tmf_reply; | |
2732 | ||
2733 | KASSERT(req == mpt->tmf_req, ("TMF Reply not using mpt->tmf_req")); | |
2734 | #ifdef INVARIANTS | |
2735 | mpt_req_not_spcl(mpt, req, "mpt_scsi_tmf_reply_handler", __LINE__); | |
2736 | #endif | |
2737 | tmf_reply = (MSG_SCSI_TASK_MGMT_REPLY *)reply_frame; | |
2738 | /* Record IOC Status and Response Code of TMF for any waiters. */ | |
2739 | req->IOCStatus = le16toh(tmf_reply->IOCStatus); | |
2740 | req->ResponseCode = tmf_reply->ResponseCode; | |
2741 | ||
2742 | mpt_lprt(mpt, MPT_PRT_DEBUG, "TMF complete: req %p:%u status 0x%x\n", | |
2743 | req, req->serno, le16toh(tmf_reply->IOCStatus)); | |
2744 | TAILQ_REMOVE(&mpt->request_pending_list, req, links); | |
2745 | if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { | |
2746 | req->state |= REQ_STATE_DONE; | |
2747 | wakeup(req); | |
2748 | } else { | |
2749 | mpt->tmf_req->state = REQ_STATE_FREE; | |
2750 | } | |
2751 | return (TRUE); | |
2752 | } | |
2753 | ||
2754 | /* | |
2755 | * XXX: Move to definitions file | |
2756 | */ | |
2757 | #define ELS 0x22 | |
2758 | #define FC4LS 0x32 | |
2759 | #define ABTS 0x81 | |
2760 | #define BA_ACC 0x84 | |
2761 | ||
2762 | #define LS_RJT 0x01 | |
2763 | #define LS_ACC 0x02 | |
2764 | #define PLOGI 0x03 | |
2765 | #define LOGO 0x05 | |
2766 | #define SRR 0x14 | |
2767 | #define PRLI 0x20 | |
2768 | #define PRLO 0x21 | |
2769 | #define ADISC 0x52 | |
2770 | #define RSCN 0x61 | |
2771 | ||
2772 | static void | |
2773 | mpt_fc_els_send_response(struct mpt_softc *mpt, request_t *req, | |
2774 | PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp, U8 length) | |
2775 | { | |
2776 | uint32_t fl; | |
2777 | MSG_LINK_SERVICE_RSP_REQUEST tmp; | |
2778 | PTR_MSG_LINK_SERVICE_RSP_REQUEST rsp; | |
2779 | ||
2780 | /* | |
2781 | * We are going to reuse the ELS request to send this response back. | |
2782 | */ | |
2783 | rsp = &tmp; | |
2784 | memset(rsp, 0, sizeof(*rsp)); | |
2785 | ||
2786 | #ifdef USE_IMMEDIATE_LINK_DATA | |
2787 | /* | |
2788 | * Apparently the IMMEDIATE stuff doesn't seem to work. | |
2789 | */ | |
2790 | rsp->RspFlags = LINK_SERVICE_RSP_FLAGS_IMMEDIATE; | |
2791 | #endif | |
2792 | rsp->RspLength = length; | |
2793 | rsp->Function = MPI_FUNCTION_FC_LINK_SRVC_RSP; | |
2794 | rsp->MsgContext = htole32(req->index | fc_els_handler_id); | |
2795 | ||
2796 | /* | |
2797 | * Copy over information from the original reply frame to | |
2798 | * it's correct place in the response. | |
2799 | */ | |
2800 | memcpy((U8 *)rsp + 0x0c, (U8 *)rp + 0x1c, 24); | |
2801 | ||
2802 | /* | |
2803 | * And now copy back the temporary area to the original frame. | |
2804 | */ | |
2805 | memcpy(req->req_vbuf, rsp, sizeof (MSG_LINK_SERVICE_RSP_REQUEST)); | |
2806 | rsp = req->req_vbuf; | |
2807 | ||
2808 | #ifdef USE_IMMEDIATE_LINK_DATA | |
2809 | memcpy((U8 *)&rsp->SGL, &((U8 *)req->req_vbuf)[MPT_RQSL(mpt)], length); | |
2810 | #else | |
2811 | { | |
2812 | PTR_SGE_SIMPLE32 se = (PTR_SGE_SIMPLE32) &rsp->SGL; | |
2813 | bus_addr_t paddr = req->req_pbuf; | |
2814 | paddr += MPT_RQSL(mpt); | |
2815 | ||
2816 | fl = | |
2817 | MPI_SGE_FLAGS_HOST_TO_IOC | | |
2818 | MPI_SGE_FLAGS_SIMPLE_ELEMENT | | |
2819 | MPI_SGE_FLAGS_LAST_ELEMENT | | |
2820 | MPI_SGE_FLAGS_END_OF_LIST | | |
2821 | MPI_SGE_FLAGS_END_OF_BUFFER; | |
2822 | fl <<= MPI_SGE_FLAGS_SHIFT; | |
2823 | fl |= (length); | |
2824 | se->FlagsLength = htole32(fl); | |
2825 | se->Address = htole32((uint32_t) paddr); | |
2826 | } | |
2827 | #endif | |
2828 | ||
2829 | /* | |
2830 | * Send it on... | |
2831 | */ | |
2832 | mpt_send_cmd(mpt, req); | |
2833 | } | |
2834 | ||
2835 | static int | |
2836 | mpt_fc_els_reply_handler(struct mpt_softc *mpt, request_t *req, | |
2837 | uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) | |
2838 | { | |
2839 | PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp = | |
2840 | (PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY) reply_frame; | |
2841 | U8 rctl; | |
2842 | U8 type; | |
2843 | U8 cmd; | |
2844 | U16 status = le16toh(reply_frame->IOCStatus); | |
2845 | U32 *elsbuf; | |
2846 | int ioindex; | |
2847 | int do_refresh = TRUE; | |
2848 | ||
2849 | #ifdef INVARIANTS | |
2850 | KASSERT(mpt_req_on_free_list(mpt, req) == 0, | |
2851 | ("fc_els_reply_handler: req %p:%u for function %x on freelist!", | |
2852 | req, req->serno, rp->Function)); | |
2853 | if (rp->Function != MPI_FUNCTION_FC_PRIMITIVE_SEND) { | |
2854 | mpt_req_spcl(mpt, req, "fc_els_reply_handler", __LINE__); | |
2855 | } else { | |
2856 | mpt_req_not_spcl(mpt, req, "fc_els_reply_handler", __LINE__); | |
2857 | } | |
2858 | #endif | |
2859 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
2860 | "FC_ELS Complete: req %p:%u, reply %p function %x\n", | |
2861 | req, req->serno, reply_frame, reply_frame->Function); | |
2862 | ||
2863 | if (status != MPI_IOCSTATUS_SUCCESS) { | |
2864 | mpt_prt(mpt, "ELS REPLY STATUS 0x%x for Function %x\n", | |
2865 | status, reply_frame->Function); | |
2866 | if (status == MPI_IOCSTATUS_INVALID_STATE) { | |
2867 | /* | |
2868 | * XXX: to get around shutdown issue | |
2869 | */ | |
2870 | mpt->disabled = 1; | |
2871 | return (TRUE); | |
2872 | } | |
2873 | return (TRUE); | |
2874 | } | |
2875 | ||
2876 | /* | |
2877 | * If the function of a link service response, we recycle the | |
2878 | * response to be a refresh for a new link service request. | |
2879 | * | |
2880 | * The request pointer is bogus in this case and we have to fetch | |
2881 | * it based upon the TransactionContext. | |
2882 | */ | |
2883 | if (rp->Function == MPI_FUNCTION_FC_LINK_SRVC_RSP) { | |
2884 | /* Freddie Uncle Charlie Katie */ | |
2885 | /* We don't get the IOINDEX as part of the Link Svc Rsp */ | |
2886 | for (ioindex = 0; ioindex < mpt->els_cmds_allocated; ioindex++) | |
2887 | if (mpt->els_cmd_ptrs[ioindex] == req) { | |
2888 | break; | |
2889 | } | |
2890 | ||
2891 | KASSERT(ioindex < mpt->els_cmds_allocated, | |
2892 | ("can't find my mommie!")); | |
2893 | ||
2894 | /* remove from active list as we're going to re-post it */ | |
2895 | TAILQ_REMOVE(&mpt->request_pending_list, req, links); | |
2896 | req->state &= ~REQ_STATE_QUEUED; | |
2897 | req->state |= REQ_STATE_DONE; | |
2898 | mpt_fc_post_els(mpt, req, ioindex); | |
2899 | return (TRUE); | |
2900 | } | |
2901 | ||
2902 | if (rp->Function == MPI_FUNCTION_FC_PRIMITIVE_SEND) { | |
2903 | /* remove from active list as we're done */ | |
2904 | TAILQ_REMOVE(&mpt->request_pending_list, req, links); | |
2905 | req->state &= ~REQ_STATE_QUEUED; | |
2906 | req->state |= REQ_STATE_DONE; | |
2907 | if (req->state & REQ_STATE_TIMEDOUT) { | |
2908 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
2909 | "Sync Primitive Send Completed After Timeout\n"); | |
2910 | mpt_free_request(mpt, req); | |
2911 | } else if ((req->state & REQ_STATE_NEED_WAKEUP) == 0) { | |
2912 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
2913 | "Async Primitive Send Complete\n"); | |
2914 | mpt_free_request(mpt, req); | |
2915 | } else { | |
2916 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
2917 | "Sync Primitive Send Complete- Waking Waiter\n"); | |
2918 | wakeup(req); | |
2919 | } | |
2920 | return (TRUE); | |
2921 | } | |
2922 | ||
2923 | if (rp->Function != MPI_FUNCTION_FC_LINK_SRVC_BUF_POST) { | |
2924 | mpt_prt(mpt, "unexpected ELS_REPLY: Function 0x%x Flags %x " | |
2925 | "Length %d Message Flags %x\n", rp->Function, rp->Flags, | |
2926 | rp->MsgLength, rp->MsgFlags); | |
2927 | return (TRUE); | |
2928 | } | |
2929 | ||
2930 | if (rp->MsgLength <= 5) { | |
2931 | /* | |
2932 | * This is just a ack of an original ELS buffer post | |
2933 | */ | |
2934 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
2935 | "RECV'd ACK of FC_ELS buf post %p:%u\n", req, req->serno); | |
2936 | return (TRUE); | |
2937 | } | |
2938 | ||
2939 | ||
2940 | rctl = (le32toh(rp->Rctl_Did) & MPI_FC_RCTL_MASK) >> MPI_FC_RCTL_SHIFT; | |
2941 | type = (le32toh(rp->Type_Fctl) & MPI_FC_TYPE_MASK) >> MPI_FC_TYPE_SHIFT; | |
2942 | ||
2943 | elsbuf = &((U32 *)req->req_vbuf)[MPT_RQSL(mpt)/sizeof (U32)]; | |
2944 | cmd = be32toh(elsbuf[0]) >> 24; | |
2945 | ||
2946 | if (rp->Flags & MPI_LS_BUF_POST_REPLY_FLAG_NO_RSP_NEEDED) { | |
2947 | mpt_lprt(mpt, MPT_PRT_ALWAYS, "ELS_REPLY: response unneeded\n"); | |
2948 | return (TRUE); | |
2949 | } | |
2950 | ||
2951 | ioindex = le32toh(rp->TransactionContext); | |
2952 | req = mpt->els_cmd_ptrs[ioindex]; | |
2953 | ||
2954 | if (rctl == ELS && type == 1) { | |
2955 | switch (cmd) { | |
2956 | case PRLI: | |
2957 | /* | |
2958 | * Send back a PRLI ACC | |
2959 | */ | |
2960 | mpt_prt(mpt, "PRLI from 0x%08x%08x\n", | |
2961 | le32toh(rp->Wwn.PortNameHigh), | |
2962 | le32toh(rp->Wwn.PortNameLow)); | |
2963 | elsbuf[0] = htobe32(0x02100014); | |
2964 | elsbuf[1] |= htobe32(0x00000100); | |
2965 | elsbuf[4] = htobe32(0x00000002); | |
2966 | if (mpt->role & MPT_ROLE_TARGET) | |
2967 | elsbuf[4] |= htobe32(0x00000010); | |
2968 | if (mpt->role & MPT_ROLE_INITIATOR) | |
2969 | elsbuf[4] |= htobe32(0x00000020); | |
2970 | /* remove from active list as we're done */ | |
2971 | TAILQ_REMOVE(&mpt->request_pending_list, req, links); | |
2972 | req->state &= ~REQ_STATE_QUEUED; | |
2973 | req->state |= REQ_STATE_DONE; | |
2974 | mpt_fc_els_send_response(mpt, req, rp, 20); | |
2975 | do_refresh = FALSE; | |
2976 | break; | |
2977 | case PRLO: | |
2978 | memset(elsbuf, 0, 5 * (sizeof (U32))); | |
2979 | elsbuf[0] = htobe32(0x02100014); | |
2980 | elsbuf[1] = htobe32(0x08000100); | |
2981 | mpt_prt(mpt, "PRLO from 0x%08x%08x\n", | |
2982 | le32toh(rp->Wwn.PortNameHigh), | |
2983 | le32toh(rp->Wwn.PortNameLow)); | |
2984 | /* remove from active list as we're done */ | |
2985 | TAILQ_REMOVE(&mpt->request_pending_list, req, links); | |
2986 | req->state &= ~REQ_STATE_QUEUED; | |
2987 | req->state |= REQ_STATE_DONE; | |
2988 | mpt_fc_els_send_response(mpt, req, rp, 20); | |
2989 | do_refresh = FALSE; | |
2990 | break; | |
2991 | default: | |
2992 | mpt_prt(mpt, "ELS TYPE 1 COMMAND: %x\n", cmd); | |
2993 | break; | |
2994 | } | |
2995 | } else if (rctl == ABTS && type == 0) { | |
2996 | uint16_t rx_id = le16toh(rp->Rxid); | |
2997 | uint16_t ox_id = le16toh(rp->Oxid); | |
2998 | request_t *tgt_req = NULL; | |
2999 | ||
3000 | mpt_prt(mpt, | |
3001 | "ELS: ABTS OX_ID 0x%x RX_ID 0x%x from 0x%08x%08x\n", | |
3002 | ox_id, rx_id, le32toh(rp->Wwn.PortNameHigh), | |
3003 | le32toh(rp->Wwn.PortNameLow)); | |
3004 | if (rx_id >= mpt->mpt_max_tgtcmds) { | |
3005 | mpt_prt(mpt, "Bad RX_ID 0x%x\n", rx_id); | |
3006 | } else if (mpt->tgt_cmd_ptrs == NULL) { | |
3007 | mpt_prt(mpt, "No TGT CMD PTRS\n"); | |
3008 | } else { | |
3009 | tgt_req = mpt->tgt_cmd_ptrs[rx_id]; | |
3010 | } | |
3011 | if (tgt_req) { | |
3012 | mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, tgt_req); | |
6d259fc1 | 3013 | union ccb *ccb; |
2545bca0 MD |
3014 | uint32_t ct_id; |
3015 | ||
3016 | /* | |
3017 | * Check to make sure we have the correct command | |
3018 | * The reply descriptor in the target state should | |
3019 | * should contain an IoIndex that should match the | |
3020 | * RX_ID. | |
3021 | * | |
3022 | * It'd be nice to have OX_ID to crosscheck with | |
3023 | * as well. | |
3024 | */ | |
3025 | ct_id = GET_IO_INDEX(tgt->reply_desc); | |
3026 | ||
3027 | if (ct_id != rx_id) { | |
3028 | mpt_lprt(mpt, MPT_PRT_ERROR, "ABORT Mismatch: " | |
3029 | "RX_ID received=0x%x; RX_ID in cmd=0x%x\n", | |
3030 | rx_id, ct_id); | |
3031 | goto skip; | |
3032 | } | |
3033 | ||
3034 | ccb = tgt->ccb; | |
3035 | if (ccb) { | |
3036 | mpt_prt(mpt, | |
3037 | "CCB (%p): lun %u flags %x status %x\n", | |
3038 | ccb, ccb->ccb_h.target_lun, | |
3039 | ccb->ccb_h.flags, ccb->ccb_h.status); | |
3040 | } | |
3041 | mpt_prt(mpt, "target state 0x%x resid %u xfrd %u rpwrd " | |
3042 | "%x nxfers %x\n", tgt->state, | |
3043 | tgt->resid, tgt->bytes_xfered, tgt->reply_desc, | |
3044 | tgt->nxfers); | |
3045 | skip: | |
3046 | if (mpt_abort_target_cmd(mpt, tgt_req)) { | |
3047 | mpt_prt(mpt, "unable to start TargetAbort\n"); | |
3048 | } | |
3049 | } else { | |
3050 | mpt_prt(mpt, "no back pointer for RX_ID 0x%x\n", rx_id); | |
3051 | } | |
3052 | memset(elsbuf, 0, 5 * (sizeof (U32))); | |
3053 | elsbuf[0] = htobe32(0); | |
3054 | elsbuf[1] = htobe32((ox_id << 16) | rx_id); | |
3055 | elsbuf[2] = htobe32(0x000ffff); | |
3056 | /* | |
6d259fc1 | 3057 | * Dork with the reply frame so that the response to it |
2545bca0 MD |
3058 | * will be correct. |
3059 | */ | |
3060 | rp->Rctl_Did += ((BA_ACC - ABTS) << MPI_FC_RCTL_SHIFT); | |
3061 | /* remove from active list as we're done */ | |
3062 | TAILQ_REMOVE(&mpt->request_pending_list, req, links); | |
3063 | req->state &= ~REQ_STATE_QUEUED; | |
3064 | req->state |= REQ_STATE_DONE; | |
3065 | mpt_fc_els_send_response(mpt, req, rp, 12); | |
3066 | do_refresh = FALSE; | |
3067 | } else { | |
3068 | mpt_prt(mpt, "ELS: RCTL %x TYPE %x CMD %x\n", rctl, type, cmd); | |
3069 | } | |
3070 | if (do_refresh == TRUE) { | |
3071 | /* remove from active list as we're done */ | |
3072 | TAILQ_REMOVE(&mpt->request_pending_list, req, links); | |
3073 | req->state &= ~REQ_STATE_QUEUED; | |
3074 | req->state |= REQ_STATE_DONE; | |
3075 | mpt_fc_post_els(mpt, req, ioindex); | |
3076 | } | |
3077 | return (TRUE); | |
3078 | } | |
3079 | ||
3080 | /* | |
3081 | * Clean up all SCSI Initiator personality state in response | |
3082 | * to a controller reset. | |
3083 | */ | |
3084 | static void | |
3085 | mpt_cam_ioc_reset(struct mpt_softc *mpt, int type) | |
3086 | { | |
4c42baf4 | 3087 | |
2545bca0 MD |
3088 | /* |
3089 | * The pending list is already run down by | |
3090 | * the generic handler. Perform the same | |
3091 | * operation on the timed out request list. | |
3092 | */ | |
3093 | mpt_complete_request_chain(mpt, &mpt->request_timeout_list, | |
3094 | MPI_IOCSTATUS_INVALID_STATE); | |
3095 | ||
3096 | /* | |
3097 | * XXX: We need to repost ELS and Target Command Buffers? | |
3098 | */ | |
3099 | ||
3100 | /* | |
3101 | * Inform the XPT that a bus reset has occurred. | |
3102 | */ | |
3103 | xpt_async(AC_BUS_RESET, mpt->path, NULL); | |
3104 | } | |
3105 | ||
3106 | /* | |
3107 | * Parse additional completion information in the reply | |
3108 | * frame for SCSI I/O requests. | |
3109 | */ | |
3110 | static int | |
3111 | mpt_scsi_reply_frame_handler(struct mpt_softc *mpt, request_t *req, | |
3112 | MSG_DEFAULT_REPLY *reply_frame) | |
3113 | { | |
3114 | union ccb *ccb; | |
3115 | MSG_SCSI_IO_REPLY *scsi_io_reply; | |
3116 | u_int ioc_status; | |
3117 | u_int sstate; | |
3118 | ||
3119 | MPT_DUMP_REPLY_FRAME(mpt, reply_frame); | |
3120 | KASSERT(reply_frame->Function == MPI_FUNCTION_SCSI_IO_REQUEST | |
3121 | || reply_frame->Function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH, | |
3122 | ("MPT SCSI I/O Handler called with incorrect reply type")); | |
3123 | KASSERT((reply_frame->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) == 0, | |
3124 | ("MPT SCSI I/O Handler called with continuation reply")); | |
3125 | ||
3126 | scsi_io_reply = (MSG_SCSI_IO_REPLY *)reply_frame; | |
3127 | ioc_status = le16toh(scsi_io_reply->IOCStatus); | |
3128 | ioc_status &= MPI_IOCSTATUS_MASK; | |
3129 | sstate = scsi_io_reply->SCSIState; | |
3130 | ||
3131 | ccb = req->ccb; | |
3132 | ccb->csio.resid = | |
3133 | ccb->csio.dxfer_len - le32toh(scsi_io_reply->TransferCount); | |
3134 | ||
3135 | if ((sstate & MPI_SCSI_STATE_AUTOSENSE_VALID) != 0 | |
3136 | && (ccb->ccb_h.flags & (CAM_SENSE_PHYS | CAM_SENSE_PTR)) == 0) { | |
4c42baf4 SW |
3137 | uint32_t sense_returned; |
3138 | ||
2545bca0 | 3139 | ccb->ccb_h.status |= CAM_AUTOSNS_VALID; |
4c42baf4 SW |
3140 | |
3141 | sense_returned = le32toh(scsi_io_reply->SenseCount); | |
3142 | if (sense_returned < ccb->csio.sense_len) | |
3143 | ccb->csio.sense_resid = ccb->csio.sense_len - | |
3144 | sense_returned; | |
3145 | else | |
3146 | ccb->csio.sense_resid = 0; | |
3147 | ||
bc14747b | 3148 | bzero(&ccb->csio.sense_data, sizeof(ccb->csio.sense_data)); |
2545bca0 | 3149 | bcopy(req->sense_vbuf, &ccb->csio.sense_data, |
4c42baf4 | 3150 | min(ccb->csio.sense_len, sense_returned)); |
2545bca0 MD |
3151 | } |
3152 | ||
3153 | if ((sstate & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) != 0) { | |
3154 | /* | |
3155 | * Tag messages rejected, but non-tagged retry | |
3156 | * was successful. | |
3157 | XXXX | |
3158 | mpt_set_tags(mpt, devinfo, MPT_QUEUE_NONE); | |
3159 | */ | |
3160 | } | |
3161 | ||
3162 | switch(ioc_status) { | |
3163 | case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
3164 | /* | |
3165 | * XXX | |
3166 | * Linux driver indicates that a zero | |
3167 | * transfer length with this error code | |
3168 | * indicates a CRC error. | |
3169 | * | |
3170 | * No need to swap the bytes for checking | |
3171 | * against zero. | |
3172 | */ | |
3173 | if (scsi_io_reply->TransferCount == 0) { | |
3174 | mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY); | |
3175 | break; | |
3176 | } | |
3177 | /* FALLTHROUGH */ | |
3178 | case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
3179 | case MPI_IOCSTATUS_SUCCESS: | |
3180 | case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
3181 | if ((sstate & MPI_SCSI_STATE_NO_SCSI_STATUS) != 0) { | |
3182 | /* | |
3183 | * Status was never returned for this transaction. | |
3184 | */ | |
3185 | mpt_set_ccb_status(ccb, CAM_UNEXP_BUSFREE); | |
3186 | } else if (scsi_io_reply->SCSIStatus != SCSI_STATUS_OK) { | |
3187 | ccb->csio.scsi_status = scsi_io_reply->SCSIStatus; | |
3188 | mpt_set_ccb_status(ccb, CAM_SCSI_STATUS_ERROR); | |
3189 | if ((sstate & MPI_SCSI_STATE_AUTOSENSE_FAILED) != 0) | |
3190 | mpt_set_ccb_status(ccb, CAM_AUTOSENSE_FAIL); | |
3191 | } else if ((sstate & MPI_SCSI_STATE_RESPONSE_INFO_VALID) != 0) { | |
3192 | ||
6d259fc1 | 3193 | /* XXX Handle SPI-Packet and FCP-2 response info. */ |
2545bca0 MD |
3194 | mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); |
3195 | } else | |
3196 | mpt_set_ccb_status(ccb, CAM_REQ_CMP); | |
3197 | break; | |
3198 | case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: | |
3199 | mpt_set_ccb_status(ccb, CAM_DATA_RUN_ERR); | |
3200 | break; | |
3201 | case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
3202 | mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY); | |
3203 | break; | |
3204 | case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
3205 | /* | |
3206 | * Since selection timeouts and "device really not | |
3207 | * there" are grouped into this error code, report | |
3208 | * selection timeout. Selection timeouts are | |
3209 | * typically retried before giving up on the device | |
3210 | * whereas "device not there" errors are considered | |
3211 | * unretryable. | |
3212 | */ | |
3213 | mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT); | |
3214 | break; | |
3215 | case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: | |
3216 | mpt_set_ccb_status(ccb, CAM_SEQUENCE_FAIL); | |
3217 | break; | |
3218 | case MPI_IOCSTATUS_SCSI_INVALID_BUS: | |
3219 | mpt_set_ccb_status(ccb, CAM_PATH_INVALID); | |
3220 | break; | |
3221 | case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: | |
3222 | mpt_set_ccb_status(ccb, CAM_TID_INVALID); | |
3223 | break; | |
3224 | case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
3225 | ccb->ccb_h.status = CAM_UA_TERMIO; | |
3226 | break; | |
3227 | case MPI_IOCSTATUS_INVALID_STATE: | |
3228 | /* | |
3229 | * The IOC has been reset. Emulate a bus reset. | |
3230 | */ | |
3231 | /* FALLTHROUGH */ | |
3232 | case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: | |
3233 | ccb->ccb_h.status = CAM_SCSI_BUS_RESET; | |
3234 | break; | |
3235 | case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: | |
3236 | case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: | |
3237 | /* | |
3238 | * Don't clobber any timeout status that has | |
3239 | * already been set for this transaction. We | |
3240 | * want the SCSI layer to be able to differentiate | |
3241 | * between the command we aborted due to timeout | |
3242 | * and any innocent bystanders. | |
3243 | */ | |
3244 | if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) | |
3245 | break; | |
3246 | mpt_set_ccb_status(ccb, CAM_REQ_TERMIO); | |
3247 | break; | |
3248 | ||
3249 | case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: | |
3250 | mpt_set_ccb_status(ccb, CAM_RESRC_UNAVAIL); | |
3251 | break; | |
3252 | case MPI_IOCSTATUS_BUSY: | |
3253 | mpt_set_ccb_status(ccb, CAM_BUSY); | |
3254 | break; | |
3255 | case MPI_IOCSTATUS_INVALID_FUNCTION: | |
3256 | case MPI_IOCSTATUS_INVALID_SGL: | |
3257 | case MPI_IOCSTATUS_INTERNAL_ERROR: | |
3258 | case MPI_IOCSTATUS_INVALID_FIELD: | |
3259 | default: | |
3260 | /* XXX | |
3261 | * Some of the above may need to kick | |
3262 | * of a recovery action!!!! | |
3263 | */ | |
3264 | ccb->ccb_h.status = CAM_UNREC_HBA_ERROR; | |
3265 | break; | |
3266 | } | |
3267 | ||
3268 | if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { | |
3269 | mpt_freeze_ccb(ccb); | |
3270 | } | |
3271 | ||
3272 | return (TRUE); | |
3273 | } | |
3274 | ||
3275 | static void | |
3276 | mpt_action(struct cam_sim *sim, union ccb *ccb) | |
3277 | { | |
3278 | struct mpt_softc *mpt; | |
3279 | struct ccb_trans_settings *cts; | |
3280 | target_id_t tgt; | |
3281 | lun_id_t lun; | |
3282 | int raid_passthru; | |
3283 | ||
3284 | CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("mpt_action\n")); | |
3285 | ||
3286 | mpt = (struct mpt_softc *)cam_sim_softc(sim); | |
3287 | raid_passthru = (sim == mpt->phydisk_sim); | |
3288 | MPT_LOCK_ASSERT(mpt); | |
3289 | ||
3290 | tgt = ccb->ccb_h.target_id; | |
3291 | lun = ccb->ccb_h.target_lun; | |
3292 | if (raid_passthru && | |
3293 | ccb->ccb_h.func_code != XPT_PATH_INQ && | |
3294 | ccb->ccb_h.func_code != XPT_RESET_BUS && | |
3295 | ccb->ccb_h.func_code != XPT_RESET_DEV) { | |
2545bca0 | 3296 | if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) { |
2545bca0 MD |
3297 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; |
3298 | mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE); | |
3299 | xpt_done(ccb); | |
3300 | return; | |
3301 | } | |
2545bca0 MD |
3302 | } |
3303 | ccb->ccb_h.ccb_mpt_ptr = mpt; | |
3304 | ||
3305 | switch (ccb->ccb_h.func_code) { | |
3306 | case XPT_SCSI_IO: /* Execute the requested I/O operation */ | |
3307 | /* | |
3308 | * Do a couple of preliminary checks... | |
3309 | */ | |
3310 | if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { | |
3311 | if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { | |
3312 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; | |
3313 | mpt_set_ccb_status(ccb, CAM_REQ_INVALID); | |
3314 | break; | |
3315 | } | |
3316 | } | |
3317 | /* Max supported CDB length is 16 bytes */ | |
3318 | /* XXX Unless we implement the new 32byte message type */ | |
3319 | if (ccb->csio.cdb_len > | |
3320 | sizeof (((PTR_MSG_SCSI_IO_REQUEST)0)->CDB)) { | |
3321 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; | |
3322 | mpt_set_ccb_status(ccb, CAM_REQ_INVALID); | |
3323 | break; | |
3324 | } | |
3325 | #ifdef MPT_TEST_MULTIPATH | |
3326 | if (mpt->failure_id == ccb->ccb_h.target_id) { | |
3327 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; | |
3328 | mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT); | |
3329 | break; | |
3330 | } | |
3331 | #endif | |
3332 | ccb->csio.scsi_status = SCSI_STATUS_OK; | |
3333 | mpt_start(sim, ccb); | |
3334 | return; | |
3335 | ||
3336 | case XPT_RESET_BUS: | |
3337 | if (raid_passthru) { | |
3338 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; | |
3339 | mpt_set_ccb_status(ccb, CAM_REQ_CMP); | |
3340 | break; | |
3341 | } | |
3342 | case XPT_RESET_DEV: | |
3343 | if (ccb->ccb_h.func_code == XPT_RESET_BUS) { | |
3344 | if (bootverbose) { | |
3345 | xpt_print(ccb->ccb_h.path, "reset bus\n"); | |
3346 | } | |
3347 | } else { | |
3348 | xpt_print(ccb->ccb_h.path, "reset device\n"); | |
3349 | } | |
2545bca0 | 3350 | (void) mpt_bus_reset(mpt, tgt, lun, FALSE); |
2545bca0 MD |
3351 | |
3352 | /* | |
3353 | * mpt_bus_reset is always successful in that it | |
3354 | * will fall back to a hard reset should a bus | |
3355 | * reset attempt fail. | |
3356 | */ | |
3357 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; | |
3358 | mpt_set_ccb_status(ccb, CAM_REQ_CMP); | |
3359 | break; | |
3360 | ||
3361 | case XPT_ABORT: | |
3362 | { | |
3363 | union ccb *accb = ccb->cab.abort_ccb; | |
2545bca0 MD |
3364 | switch (accb->ccb_h.func_code) { |
3365 | case XPT_ACCEPT_TARGET_IO: | |
3366 | case XPT_IMMED_NOTIFY: | |
3367 | ccb->ccb_h.status = mpt_abort_target_ccb(mpt, ccb); | |
3368 | break; | |
3369 | case XPT_CONT_TARGET_IO: | |
3370 | mpt_prt(mpt, "cannot abort active CTIOs yet\n"); | |
3371 | ccb->ccb_h.status = CAM_UA_ABORT; | |
3372 | break; | |
3373 | case XPT_SCSI_IO: | |
3374 | ccb->ccb_h.status = CAM_UA_ABORT; | |
3375 | break; | |
3376 | default: | |
3377 | ccb->ccb_h.status = CAM_REQ_INVALID; | |
3378 | break; | |
3379 | } | |
2545bca0 MD |
3380 | break; |
3381 | } | |
3382 | ||
2545bca0 | 3383 | #define IS_CURRENT_SETTINGS(c) ((c)->type == CTS_TYPE_CURRENT_SETTINGS) |
2545bca0 MD |
3384 | #define DP_DISC_ENABLE 0x1 |
3385 | #define DP_DISC_DISABL 0x2 | |
3386 | #define DP_DISC (DP_DISC_ENABLE|DP_DISC_DISABL) | |
3387 | ||
3388 | #define DP_TQING_ENABLE 0x4 | |
3389 | #define DP_TQING_DISABL 0x8 | |
3390 | #define DP_TQING (DP_TQING_ENABLE|DP_TQING_DISABL) | |
3391 | ||
3392 | #define DP_WIDE 0x10 | |
3393 | #define DP_NARROW 0x20 | |
3394 | #define DP_WIDTH (DP_WIDE|DP_NARROW) | |
3395 | ||
3396 | #define DP_SYNC 0x40 | |
3397 | ||
3398 | case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ | |
3399 | { | |
2545bca0 MD |
3400 | struct ccb_trans_settings_scsi *scsi; |
3401 | struct ccb_trans_settings_spi *spi; | |
2545bca0 MD |
3402 | uint8_t dval; |
3403 | u_int period; | |
3404 | u_int offset; | |
3405 | int i, j; | |
3406 | ||
3407 | cts = &ccb->cts; | |
3408 | ||
3409 | if (mpt->is_fc || mpt->is_sas) { | |
3410 | mpt_set_ccb_status(ccb, CAM_REQ_CMP); | |
3411 | break; | |
3412 | } | |
3413 | ||
2545bca0 MD |
3414 | scsi = &cts->proto_specific.scsi; |
3415 | spi = &cts->xport_specific.spi; | |
3416 | ||
3417 | /* | |
3418 | * We can be called just to valid transport and proto versions | |
3419 | */ | |
3420 | if (scsi->valid == 0 && spi->valid == 0) { | |
3421 | mpt_set_ccb_status(ccb, CAM_REQ_CMP); | |
3422 | break; | |
3423 | } | |
2545bca0 MD |
3424 | |
3425 | /* | |
3426 | * Skip attempting settings on RAID volume disks. | |
3427 | * Other devices on the bus get the normal treatment. | |
3428 | */ | |
3429 | if (mpt->phydisk_sim && raid_passthru == 0 && | |
3430 | mpt_is_raid_volume(mpt, tgt) != 0) { | |
3431 | mpt_lprt(mpt, MPT_PRT_NEGOTIATION, | |
3432 | "no transfer settings for RAID vols\n"); | |
3433 | mpt_set_ccb_status(ccb, CAM_REQ_CMP); | |
3434 | break; | |
3435 | } | |
3436 | ||
3437 | i = mpt->mpt_port_page2.PortSettings & | |
3438 | MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS; | |
3439 | j = mpt->mpt_port_page2.PortFlags & | |
3440 | MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK; | |
3441 | if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS && | |
3442 | j == MPI_SCSIPORTPAGE2_PORT_FLAGS_OFF_DV) { | |
3443 | mpt_lprt(mpt, MPT_PRT_ALWAYS, | |
3444 | "honoring BIOS transfer negotiations\n"); | |
3445 | mpt_set_ccb_status(ccb, CAM_REQ_CMP); | |
3446 | break; | |
3447 | } | |
3448 | ||
3449 | dval = 0; | |
3450 | period = 0; | |
3451 | offset = 0; | |
3452 | ||
2545bca0 MD |
3453 | if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { |
3454 | dval |= ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) ? | |
3455 | DP_DISC_ENABLE : DP_DISC_DISABL; | |
3456 | } | |
3457 | ||
3458 | if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { | |
3459 | dval |= ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) ? | |
3460 | DP_TQING_ENABLE : DP_TQING_DISABL; | |
3461 | } | |
3462 | ||
3463 | if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { | |
3464 | dval |= (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) ? | |
3465 | DP_WIDE : DP_NARROW; | |
3466 | } | |
3467 | ||
3468 | if (spi->valid & CTS_SPI_VALID_SYNC_OFFSET) { | |
3469 | dval |= DP_SYNC; | |
3470 | offset = spi->sync_offset; | |
3471 | } else { | |
3472 | PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr = | |
3473 | &mpt->mpt_dev_page1[tgt]; | |
3474 | offset = ptr->RequestedParameters; | |
3475 | offset &= MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; | |
3476 | offset >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET; | |
3477 | } | |
3478 | if (spi->valid & CTS_SPI_VALID_SYNC_RATE) { | |
3479 | dval |= DP_SYNC; | |
3480 | period = spi->sync_period; | |
3481 | } else { | |
3482 | PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr = | |
3483 | &mpt->mpt_dev_page1[tgt]; | |
3484 | period = ptr->RequestedParameters; | |
3485 | period &= MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; | |
3486 | period >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; | |
3487 | } | |
2545bca0 MD |
3488 | if (dval & DP_DISC_ENABLE) { |
3489 | mpt->mpt_disc_enable |= (1 << tgt); | |
3490 | } else if (dval & DP_DISC_DISABL) { | |
3491 | mpt->mpt_disc_enable &= ~(1 << tgt); | |
3492 | } | |
3493 | if (dval & DP_TQING_ENABLE) { | |
3494 | mpt->mpt_tag_enable |= (1 << tgt); | |
3495 | } else if (dval & DP_TQING_DISABL) { | |
3496 | mpt->mpt_tag_enable &= ~(1 << tgt); | |
3497 | } | |
3498 | if (dval & DP_WIDTH) { | |
3499 | mpt_setwidth(mpt, tgt, 1); | |
3500 | } | |
3501 | if (dval & DP_SYNC) { | |
3502 | mpt_setsync(mpt, tgt, period, offset); | |
3503 | } | |
3504 | if (dval == 0) { | |
2545bca0 MD |
3505 | mpt_set_ccb_status(ccb, CAM_REQ_CMP); |
3506 | break; | |
3507 | } | |
3508 | mpt_lprt(mpt, MPT_PRT_NEGOTIATION, | |
3509 | "set [%d]: 0x%x period 0x%x offset %d\n", | |
3510 | tgt, dval, period, offset); | |
3511 | if (mpt_update_spi_config(mpt, tgt)) { | |
3512 | mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); | |
3513 | } else { | |
3514 | mpt_set_ccb_status(ccb, CAM_REQ_CMP); | |
3515 | } | |
2545bca0 MD |
3516 | break; |
3517 | } | |
3518 | case XPT_GET_TRAN_SETTINGS: | |
3519 | { | |
2545bca0 MD |
3520 | struct ccb_trans_settings_scsi *scsi; |
3521 | cts = &ccb->cts; | |
3522 | cts->protocol = PROTO_SCSI; | |
3523 | if (mpt->is_fc) { | |
3524 | struct ccb_trans_settings_fc *fc = | |
3525 | &cts->xport_specific.fc; | |
3526 | cts->protocol_version = SCSI_REV_SPC; | |
3527 | cts->transport = XPORT_FC; | |
3528 | cts->transport_version = 0; | |
3529 | fc->valid = CTS_FC_VALID_SPEED; | |
3530 | fc->bitrate = 100000; | |
3531 | } else if (mpt->is_sas) { | |
3532 | struct ccb_trans_settings_sas *sas = | |
3533 | &cts->xport_specific.sas; | |
3534 | cts->protocol_version = SCSI_REV_SPC2; | |
3535 | cts->transport = XPORT_SAS; | |
3536 | cts->transport_version = 0; | |
3537 | sas->valid = CTS_SAS_VALID_SPEED; | |
3538 | sas->bitrate = 300000; | |
3539 | } else { | |
3540 | cts->protocol_version = SCSI_REV_2; | |
3541 | cts->transport = XPORT_SPI; | |
3542 | cts->transport_version = 2; | |
3543 | if (mpt_get_spi_settings(mpt, cts) != 0) { | |
3544 | mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); | |
3545 | break; | |
3546 | } | |
3547 | } | |
3548 | scsi = &cts->proto_specific.scsi; | |
3549 | scsi->valid = CTS_SCSI_VALID_TQ; | |
3550 | scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; | |
2545bca0 MD |
3551 | mpt_set_ccb_status(ccb, CAM_REQ_CMP); |
3552 | break; | |
3553 | } | |
3554 | case XPT_CALC_GEOMETRY: | |
3555 | { | |
3556 | struct ccb_calc_geometry *ccg; | |
3557 | ||
3558 | ccg = &ccb->ccg; | |
3559 | if (ccg->block_size == 0) { | |
3560 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; | |
3561 | mpt_set_ccb_status(ccb, CAM_REQ_INVALID); | |
3562 | break; | |
3563 | } | |
52001f09 | 3564 | cam_calc_geometry(ccg, /*extended*/1); |
4c42baf4 | 3565 | KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); |
2545bca0 MD |
3566 | break; |
3567 | } | |
3568 | case XPT_PATH_INQ: /* Path routing inquiry */ | |
3569 | { | |
3570 | struct ccb_pathinq *cpi = &ccb->cpi; | |
3571 | ||
3572 | cpi->version_num = 1; | |
3573 | cpi->target_sprt = 0; | |
3574 | cpi->hba_eng_cnt = 0; | |
3575 | cpi->max_target = mpt->port_facts[0].MaxDevices - 1; | |
6d259fc1 SW |
3576 | #if 0 /* XXX swildner */ |
3577 | cpi->maxio = (mpt->max_cam_seg_cnt - 1) * PAGE_SIZE; | |
3578 | #endif | |
2545bca0 MD |
3579 | /* |
3580 | * FC cards report MAX_DEVICES of 512, but | |
3581 | * the MSG_SCSI_IO_REQUEST target id field | |
3582 | * is only 8 bits. Until we fix the driver | |
3583 | * to support 'channels' for bus overflow, | |
3584 | * just limit it. | |
3585 | */ | |
3586 | if (cpi->max_target > 255) { | |
3587 | cpi->max_target = 255; | |
3588 | } | |
3589 | ||
3590 | /* | |
3591 | * VMware ESX reports > 16 devices and then dies when we probe. | |
3592 | */ | |
3593 | if (mpt->is_spi && cpi->max_target > 15) { | |
3594 | cpi->max_target = 15; | |
3595 | } | |
3596 | if (mpt->is_spi) | |
3597 | cpi->max_lun = 7; | |
3598 | else | |
3599 | cpi->max_lun = MPT_MAX_LUNS; | |
3600 | cpi->initiator_id = mpt->mpt_ini_id; | |
3601 | cpi->bus_id = cam_sim_bus(sim); | |
3602 | ||
3603 | /* | |
3604 | * The base speed is the speed of the underlying connection. | |
3605 | */ | |
2545bca0 MD |
3606 | cpi->protocol = PROTO_SCSI; |
3607 | if (mpt->is_fc) { | |
3608 | cpi->hba_misc = PIM_NOBUSRESET; | |
3609 | cpi->base_transfer_speed = 100000; | |
3610 | cpi->hba_inquiry = PI_TAG_ABLE; | |
3611 | cpi->transport = XPORT_FC; | |
3612 | cpi->transport_version = 0; | |
3613 | cpi->protocol_version = SCSI_REV_SPC; | |
3614 | } else if (mpt->is_sas) { | |
3615 | cpi->hba_misc = PIM_NOBUSRESET; | |
3616 | cpi->base_transfer_speed = 300000; | |
3617 | cpi->hba_inquiry = PI_TAG_ABLE; | |
3618 | cpi->transport = XPORT_SAS; | |
3619 | cpi->transport_version = 0; | |
3620 | cpi->protocol_version = SCSI_REV_SPC2; | |
3621 | } else { | |
3622 | cpi->hba_misc = PIM_SEQSCAN; | |
3623 | cpi->base_transfer_speed = 3300; | |
3624 | cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; | |
3625 | cpi->transport = XPORT_SPI; | |
3626 | cpi->transport_version = 2; | |
3627 | cpi->protocol_version = SCSI_REV_2; | |
3628 | } | |
2545bca0 MD |
3629 | |
3630 | /* | |
3631 | * We give our fake RAID passhtru bus a width that is MaxVolumes | |
3632 | * wide and restrict it to one lun. | |
3633 | */ | |
3634 | if (raid_passthru) { | |
3635 | cpi->max_target = mpt->ioc_page2->MaxPhysDisks - 1; | |
3636 | cpi->initiator_id = cpi->max_target + 1; | |
3637 | cpi->max_lun = 0; | |
3638 | } | |
3639 | ||
3640 | if ((mpt->role & MPT_ROLE_INITIATOR) == 0) { | |
3641 | cpi->hba_misc |= PIM_NOINITIATOR; | |
3642 | } | |
3643 | if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) { | |
3644 | cpi->target_sprt = | |
3645 | PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; | |
3646 | } else { | |
3647 | cpi->target_sprt = 0; | |
3648 | } | |
3649 | strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); | |
3650 | strncpy(cpi->hba_vid, "LSI", HBA_IDLEN); | |
3651 | strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); | |
3652 | cpi->unit_number = cam_sim_unit(sim); | |
3653 | cpi->ccb_h.status = CAM_REQ_CMP; | |
3654 | break; | |
3655 | } | |
3656 | case XPT_EN_LUN: /* Enable LUN as a target */ | |
3657 | { | |
3658 | int result; | |
3659 | ||
2545bca0 MD |
3660 | if (ccb->cel.enable) |
3661 | result = mpt_enable_lun(mpt, | |
3662 | ccb->ccb_h.target_id, ccb->ccb_h.target_lun); | |
3663 | else | |
3664 | result = mpt_disable_lun(mpt, | |
3665 | ccb->ccb_h.target_id, ccb->ccb_h.target_lun); | |
2545bca0 MD |
3666 | if (result == 0) { |
3667 | mpt_set_ccb_status(ccb, CAM_REQ_CMP); | |
3668 | } else { | |
3669 | mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); | |
3670 | } | |
3671 | break; | |
3672 | } | |
3673 | case XPT_NOTIFY_ACK: /* recycle notify ack */ | |
3674 | case XPT_IMMED_NOTIFY: /* Add Immediate Notify Resource */ | |
3675 | case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ | |
3676 | { | |
3677 | tgt_resource_t *trtp; | |
3678 | lun_id_t lun = ccb->ccb_h.target_lun; | |
3679 | ccb->ccb_h.sim_priv.entries[0].field = 0; | |
3680 | ccb->ccb_h.sim_priv.entries[1].ptr = mpt; | |
3681 | ccb->ccb_h.flags = 0; | |
3682 | ||
3683 | if (lun == CAM_LUN_WILDCARD) { | |
3684 | if (ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { | |
3685 | mpt_set_ccb_status(ccb, CAM_REQ_INVALID); | |
3686 | break; | |
3687 | } | |
3688 | trtp = &mpt->trt_wildcard; | |
3689 | } else if (lun >= MPT_MAX_LUNS) { | |
3690 | mpt_set_ccb_status(ccb, CAM_REQ_INVALID); | |
3691 | break; | |
3692 | } else { | |
3693 | trtp = &mpt->trt[lun]; | |
3694 | } | |
2545bca0 MD |
3695 | if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { |
3696 | mpt_lprt(mpt, MPT_PRT_DEBUG1, | |
3697 | "Put FREE ATIO %p lun %d\n", ccb, lun); | |
3698 | STAILQ_INSERT_TAIL(&trtp->atios, &ccb->ccb_h, | |
3699 | sim_links.stqe); | |
3700 | } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) { | |
3701 | mpt_lprt(mpt, MPT_PRT_DEBUG1, | |
3702 | "Put FREE INOT lun %d\n", lun); | |
3703 | STAILQ_INSERT_TAIL(&trtp->inots, &ccb->ccb_h, | |
3704 | sim_links.stqe); | |
3705 | } else { | |
3706 | mpt_lprt(mpt, MPT_PRT_ALWAYS, "Got Notify ACK\n"); | |
3707 | } | |
3708 | mpt_set_ccb_status(ccb, CAM_REQ_INPROG); | |
2545bca0 MD |
3709 | return; |
3710 | } | |
3711 | case XPT_CONT_TARGET_IO: | |
2545bca0 | 3712 | mpt_target_start_io(mpt, ccb); |
2545bca0 MD |
3713 | return; |
3714 | ||
3715 | default: | |
3716 | ccb->ccb_h.status = CAM_REQ_INVALID; | |
3717 | break; | |
3718 | } | |
3719 | xpt_done(ccb); | |
3720 | } | |
3721 | ||
3722 | static int | |
3723 | mpt_get_spi_settings(struct mpt_softc *mpt, struct ccb_trans_settings *cts) | |
3724 | { | |
2545bca0 MD |
3725 | struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; |
3726 | struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; | |
2545bca0 MD |
3727 | target_id_t tgt; |
3728 | uint32_t dval, pval, oval; | |
3729 | int rv; | |
3730 | ||
3731 | if (IS_CURRENT_SETTINGS(cts) == 0) { | |
3732 | tgt = cts->ccb_h.target_id; | |
3733 | } else if (xpt_path_sim(cts->ccb_h.path) == mpt->phydisk_sim) { | |
3734 | if (mpt_map_physdisk(mpt, (union ccb *)cts, &tgt)) { | |
3735 | return (-1); | |
3736 | } | |
3737 | } else { | |
3738 | tgt = cts->ccb_h.target_id; | |
3739 | } | |
3740 | ||
3741 | /* | |
3742 | * We aren't looking at Port Page 2 BIOS settings here- | |
3743 | * sometimes these have been known to be bogus XXX. | |
3744 | * | |
3745 | * For user settings, we pick the max from port page 0 | |
3746 | * | |
3747 | * For current settings we read the current settings out from | |
3748 | * device page 0 for that target. | |
3749 | */ | |
3750 | if (IS_CURRENT_SETTINGS(cts)) { | |
3751 | CONFIG_PAGE_SCSI_DEVICE_0 tmp; | |
3752 | dval = 0; | |
3753 | ||
2545bca0 MD |
3754 | tmp = mpt->mpt_dev_page0[tgt]; |
3755 | rv = mpt_read_cur_cfg_page(mpt, tgt, &tmp.Header, | |
3756 | sizeof(tmp), FALSE, 5000); | |
3757 | if (rv) { | |
2545bca0 MD |
3758 | mpt_prt(mpt, "can't get tgt %d config page 0\n", tgt); |
3759 | return (rv); | |
3760 | } | |
3761 | mpt2host_config_page_scsi_device_0(&tmp); | |
3762 | ||
2545bca0 | 3763 | mpt_lprt(mpt, MPT_PRT_DEBUG, |
6d259fc1 SW |
3764 | "mpt_get_spi_settings[%d]: current NP %x Info %x\n", tgt, |
3765 | tmp.NegotiatedParameters, tmp.Information); | |
2545bca0 MD |
3766 | dval |= (tmp.NegotiatedParameters & MPI_SCSIDEVPAGE0_NP_WIDE) ? |
3767 | DP_WIDE : DP_NARROW; | |
3768 | dval |= (mpt->mpt_disc_enable & (1 << tgt)) ? | |
3769 | DP_DISC_ENABLE : DP_DISC_DISABL; | |
3770 | dval |= (mpt->mpt_tag_enable & (1 << tgt)) ? | |
3771 | DP_TQING_ENABLE : DP_TQING_DISABL; | |
3772 | oval = tmp.NegotiatedParameters; | |
3773 | oval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK; | |
3774 | oval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET; | |
3775 | pval = tmp.NegotiatedParameters; | |
3776 | pval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK; | |
3777 | pval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD; | |
3778 | mpt->mpt_dev_page0[tgt] = tmp; | |
3779 | } else { | |
3780 | dval = DP_WIDE|DP_DISC_ENABLE|DP_TQING_ENABLE|DP_SYNC; | |
3781 | oval = mpt->mpt_port_page0.Capabilities; | |
3782 | oval = MPI_SCSIPORTPAGE0_CAP_GET_MAX_SYNC_OFFSET(oval); | |
3783 | pval = mpt->mpt_port_page0.Capabilities; | |
3784 | pval = MPI_SCSIPORTPAGE0_CAP_GET_MIN_SYNC_PERIOD(pval); | |
3785 | } | |
3786 | ||
2545bca0 MD |
3787 | spi->valid = 0; |
3788 | scsi->valid = 0; | |
3789 | spi->flags = 0; | |
3790 | scsi->flags = 0; | |
3791 | spi->sync_offset = oval; | |
3792 | spi->sync_period = pval; | |
3793 | spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; | |
3794 | spi->valid |= CTS_SPI_VALID_SYNC_RATE; | |
3795 | spi->valid |= CTS_SPI_VALID_BUS_WIDTH; | |
3796 | if (dval & DP_WIDE) { | |
3797 | spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; | |
3798 | } else { | |
3799 | spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; | |
3800 | } | |
3801 | if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { | |
3802 | scsi->valid = CTS_SCSI_VALID_TQ; | |
3803 | if (dval & DP_TQING_ENABLE) { | |
3804 | scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; | |
3805 | } | |
3806 | spi->valid |= CTS_SPI_VALID_DISC; | |
3807 | if (dval & DP_DISC_ENABLE) { | |
3808 | spi->flags |= CTS_SPI_FLAGS_DISC_ENB; | |
3809 | } | |
3810 | } | |
2545bca0 MD |
3811 | mpt_lprt(mpt, MPT_PRT_NEGOTIATION, |
3812 | "mpt_get_spi_settings[%d]: %s flags 0x%x per 0x%x off=%d\n", tgt, | |
f582582c | 3813 | IS_CURRENT_SETTINGS(cts) ? "ACTIVE" : "NVRAM ", dval, pval, oval); |
2545bca0 MD |
3814 | return (0); |
3815 | } | |
3816 | ||
3817 | static void | |
3818 | mpt_setwidth(struct mpt_softc *mpt, int tgt, int onoff) | |
3819 | { | |
3820 | PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr; | |
3821 | ||
3822 | ptr = &mpt->mpt_dev_page1[tgt]; | |
3823 | if (onoff) { | |
3824 | ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_WIDE; | |
3825 | } else { | |
3826 | ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_WIDE; | |
3827 | } | |
3828 | } | |
3829 | ||
3830 | static void | |
3831 | mpt_setsync(struct mpt_softc *mpt, int tgt, int period, int offset) | |
3832 | { | |
3833 | PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr; | |
3834 | ||
3835 | ptr = &mpt->mpt_dev_page1[tgt]; | |
3836 | ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; | |
3837 | ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; | |
3838 | ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_DT; | |
3839 | ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_QAS; | |
3840 | ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_IU; | |
3841 | if (period == 0) { | |
3842 | return; | |
3843 | } | |
3844 | ptr->RequestedParameters |= | |
3845 | period << MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; | |
3846 | ptr->RequestedParameters |= | |
3847 | offset << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET; | |
3848 | if (period < 0xa) { | |
3849 | ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_DT; | |
3850 | } | |
3851 | if (period < 0x9) { | |
3852 | ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_QAS; | |
3853 | ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_IU; | |
3854 | } | |
3855 | } | |
3856 | ||
3857 | static int | |
3858 | mpt_update_spi_config(struct mpt_softc *mpt, int tgt) | |
3859 | { | |
3860 | CONFIG_PAGE_SCSI_DEVICE_1 tmp; | |
3861 | int rv; | |
3862 | ||
3863 | mpt_lprt(mpt, MPT_PRT_NEGOTIATION, | |
3864 | "mpt_update_spi_config[%d].page1: Requested Params 0x%08x\n", | |
6d259fc1 | 3865 | tgt, mpt->mpt_dev_page1[tgt].RequestedParameters); |
2545bca0 MD |
3866 | tmp = mpt->mpt_dev_page1[tgt]; |
3867 | host2mpt_config_page_scsi_device_1(&tmp); | |
3868 | rv = mpt_write_cur_cfg_page(mpt, tgt, | |
3869 | &tmp.Header, sizeof(tmp), FALSE, 5000); | |
3870 | if (rv) { | |
3871 | mpt_prt(mpt, "mpt_update_spi_config: write cur page failed\n"); | |
3872 | return (-1); | |
3873 | } | |
3874 | return (0); | |
3875 | } | |
3876 | ||
2545bca0 MD |
3877 | /****************************** Timeout Recovery ******************************/ |
3878 | static int | |
3879 | mpt_spawn_recovery_thread(struct mpt_softc *mpt) | |
3880 | { | |
3881 | int error; | |
3882 | ||
f582582c SW |
3883 | error = kthread_create(mpt_recovery_thread, mpt, |
3884 | &mpt->recovery_thread, "mpt_recovery%d", mpt->unit); | |
2545bca0 MD |
3885 | return (error); |
3886 | } | |
3887 | ||
3888 | static void | |
3889 | mpt_terminate_recovery_thread(struct mpt_softc *mpt) | |
3890 | { | |
4c42baf4 | 3891 | |
2545bca0 MD |
3892 | if (mpt->recovery_thread == NULL) { |
3893 | return; | |
3894 | } | |
3895 | mpt->shutdwn_recovery = 1; | |
3896 | wakeup(mpt); | |
3897 | /* | |
3898 | * Sleep on a slightly different location | |
3899 | * for this interlock just for added safety. | |
3900 | */ | |
6d259fc1 | 3901 | mpt_sleep(mpt, &mpt->recovery_thread, 0, "thtrm", 0); |
2545bca0 MD |
3902 | } |
3903 | ||
3904 | static void | |
3905 | mpt_recovery_thread(void *arg) | |
3906 | { | |
3907 | struct mpt_softc *mpt; | |
3908 | ||
3909 | mpt = (struct mpt_softc *)arg; | |
3910 | MPT_LOCK(mpt); | |
3911 | for (;;) { | |
3912 | if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { | |
3913 | if (mpt->shutdwn_recovery == 0) { | |
6d259fc1 | 3914 | mpt_sleep(mpt, mpt, 0, "idle", 0); |
2545bca0 MD |
3915 | } |
3916 | } | |
3917 | if (mpt->shutdwn_recovery != 0) { | |
3918 | break; | |
3919 | } | |
3920 | mpt_recover_commands(mpt); | |
3921 | } | |
3922 | mpt->recovery_thread = NULL; | |
3923 | wakeup(&mpt->recovery_thread); | |
3924 | MPT_UNLOCK(mpt); | |
f582582c | 3925 | kthread_exit(); |
2545bca0 MD |
3926 | } |
3927 | ||
3928 | static int | |
3929 | mpt_scsi_send_tmf(struct mpt_softc *mpt, u_int type, u_int flags, | |
3930 | u_int channel, u_int target, u_int lun, u_int abort_ctx, int sleep_ok) | |
3931 | { | |
3932 | MSG_SCSI_TASK_MGMT *tmf_req; | |
3933 | int error; | |
3934 | ||
3935 | /* | |
3936 | * Wait for any current TMF request to complete. | |
3937 | * We're only allowed to issue one TMF at a time. | |
3938 | */ | |
3939 | error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_FREE, REQ_STATE_FREE, | |
3940 | sleep_ok, MPT_TMF_MAX_TIMEOUT); | |
3941 | if (error != 0) { | |
3942 | mpt_reset(mpt, TRUE); | |
3943 | return (ETIMEDOUT); | |
3944 | } | |
3945 | ||
3946 | mpt_assign_serno(mpt, mpt->tmf_req); | |
3947 | mpt->tmf_req->state = REQ_STATE_ALLOCATED|REQ_STATE_QUEUED; | |
3948 | ||
3949 | tmf_req = (MSG_SCSI_TASK_MGMT *)mpt->tmf_req->req_vbuf; | |
3950 | memset(tmf_req, 0, sizeof(*tmf_req)); | |
3951 | tmf_req->TargetID = target; | |
3952 | tmf_req->Bus = channel; | |
3953 | tmf_req->Function = MPI_FUNCTION_SCSI_TASK_MGMT; | |
3954 | tmf_req->TaskType = type; | |
3955 | tmf_req->MsgFlags = flags; | |
3956 | tmf_req->MsgContext = | |
3957 | htole32(mpt->tmf_req->index | scsi_tmf_handler_id); | |
3958 | if (lun > MPT_MAX_LUNS) { | |
3959 | tmf_req->LUN[0] = 0x40 | ((lun >> 8) & 0x3f); | |
3960 | tmf_req->LUN[1] = lun & 0xff; | |
3961 | } else { | |
3962 | tmf_req->LUN[1] = lun; | |
3963 | } | |
3964 | tmf_req->TaskMsgContext = abort_ctx; | |
3965 | ||
3966 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
6d259fc1 SW |
3967 | "Issuing TMF %p:%u with MsgContext of 0x%x\n", mpt->tmf_req, |
3968 | mpt->tmf_req->serno, tmf_req->MsgContext); | |
2545bca0 MD |
3969 | if (mpt->verbose > MPT_PRT_DEBUG) { |
3970 | mpt_print_request(tmf_req); | |
3971 | } | |
3972 | ||
3973 | KASSERT(mpt_req_on_pending_list(mpt, mpt->tmf_req) == 0, | |
3974 | ("mpt_scsi_send_tmf: tmf_req already on pending list")); | |
3975 | TAILQ_INSERT_HEAD(&mpt->request_pending_list, mpt->tmf_req, links); | |
3976 | error = mpt_send_handshake_cmd(mpt, sizeof(*tmf_req), tmf_req); | |
3977 | if (error != MPT_OK) { | |
3978 | TAILQ_REMOVE(&mpt->request_pending_list, mpt->tmf_req, links); | |
3979 | mpt->tmf_req->state = REQ_STATE_FREE; | |
3980 | mpt_reset(mpt, TRUE); | |
3981 | } | |
3982 | return (error); | |
3983 | } | |
3984 | ||
3985 | /* | |
3986 | * When a command times out, it is placed on the requeust_timeout_list | |
3987 | * and we wake our recovery thread. The MPT-Fusion architecture supports | |
3988 | * only a single TMF operation at a time, so we serially abort/bdr, etc, | |
3989 | * the timedout transactions. The next TMF is issued either by the | |
3990 | * completion handler of the current TMF waking our recovery thread, | |
3991 | * or the TMF timeout handler causing a hard reset sequence. | |
3992 | */ | |
3993 | static void | |
3994 | mpt_recover_commands(struct mpt_softc *mpt) | |
3995 | { | |
3996 | request_t *req; | |
3997 | union ccb *ccb; | |
3998 | int error; | |
3999 | ||
4000 | if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { | |
4001 | /* | |
4002 | * No work to do- leave. | |
4003 | */ | |
4004 | mpt_prt(mpt, "mpt_recover_commands: no requests.\n"); | |
4005 | return; | |
4006 | } | |
4007 | ||
4008 | /* | |
4009 | * Flush any commands whose completion coincides with their timeout. | |
4010 | */ | |
4011 | mpt_intr(mpt); | |
4012 | ||
4013 | if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { | |
4014 | /* | |
4015 | * The timedout commands have already | |
4016 | * completed. This typically means | |
4017 | * that either the timeout value was on | |
4018 | * the hairy edge of what the device | |
4019 | * requires or - more likely - interrupts | |
4020 | * are not happening. | |
4021 | */ | |
4022 | mpt_prt(mpt, "Timedout requests already complete. " | |
4023 | "Interrupts may not be functioning.\n"); | |
4024 | mpt_enable_ints(mpt); | |
4025 | return; | |
4026 | } | |
4027 | ||
4028 | /* | |
4029 | * We have no visibility into the current state of the | |
4030 | * controller, so attempt to abort the commands in the | |
4031 | * order they timed-out. For initiator commands, we | |
4032 | * depend on the reply handler pulling requests off | |
4033 | * the timeout list. | |
4034 | */ | |
4035 | while ((req = TAILQ_FIRST(&mpt->request_timeout_list)) != NULL) { | |
4036 | uint16_t status; | |
4037 | uint8_t response; | |
4038 | MSG_REQUEST_HEADER *hdrp = req->req_vbuf; | |
4039 | ||
4040 | mpt_prt(mpt, "attempting to abort req %p:%u function %x\n", | |
4041 | req, req->serno, hdrp->Function); | |
4042 | ccb = req->ccb; | |
4043 | if (ccb == NULL) { | |
4044 | mpt_prt(mpt, "null ccb in timed out request. " | |
4045 | "Resetting Controller.\n"); | |
4046 | mpt_reset(mpt, TRUE); | |
4047 | continue; | |
4048 | } | |
4049 | mpt_set_ccb_status(ccb, CAM_CMD_TIMEOUT); | |
4050 | ||
4051 | /* | |
4052 | * Check to see if this is not an initiator command and | |
4053 | * deal with it differently if it is. | |
4054 | */ | |
4055 | switch (hdrp->Function) { | |
4056 | case MPI_FUNCTION_SCSI_IO_REQUEST: | |
4057 | case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: | |
4058 | break; | |
4059 | default: | |
4060 | /* | |
4061 | * XXX: FIX ME: need to abort target assists... | |
4062 | */ | |
4063 | mpt_prt(mpt, "just putting it back on the pend q\n"); | |
4064 | TAILQ_REMOVE(&mpt->request_timeout_list, req, links); | |
4065 | TAILQ_INSERT_HEAD(&mpt->request_pending_list, req, | |
4066 | links); | |
4067 | continue; | |
4068 | } | |
4069 | ||
4070 | error = mpt_scsi_send_tmf(mpt, | |
4071 | MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, | |
4072 | 0, 0, ccb->ccb_h.target_id, ccb->ccb_h.target_lun, | |
4073 | htole32(req->index | scsi_io_handler_id), TRUE); | |
4074 | ||
4075 | if (error != 0) { | |
4076 | /* | |
4077 | * mpt_scsi_send_tmf hard resets on failure, so no | |
4078 | * need to do so here. Our queue should be emptied | |
4079 | * by the hard reset. | |
4080 | */ | |
4081 | continue; | |
4082 | } | |
4083 | ||
4084 | error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE, | |
4085 | REQ_STATE_DONE, TRUE, 500); | |
4086 | ||
4087 | status = le16toh(mpt->tmf_req->IOCStatus); | |
4088 | response = mpt->tmf_req->ResponseCode; | |
4089 | mpt->tmf_req->state = REQ_STATE_FREE; | |
4090 | ||
4091 | if (error != 0) { | |
4092 | /* | |
4093 | * If we've errored out,, reset the controller. | |
4094 | */ | |
4095 | mpt_prt(mpt, "mpt_recover_commands: abort timed-out. " | |
4096 | "Resetting controller\n"); | |
4097 | mpt_reset(mpt, TRUE); | |
4098 | continue; | |
4099 | } | |
4100 | ||
4101 | if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { | |
4102 | mpt_prt(mpt, "mpt_recover_commands: IOC Status 0x%x. " | |
4103 | "Resetting controller.\n", status); | |
4104 | mpt_reset(mpt, TRUE); | |
4105 | continue; | |
4106 | } | |
4107 | ||
4108 | if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED && | |
4109 | response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) { | |
4110 | mpt_prt(mpt, "mpt_recover_commands: TMF Response 0x%x. " | |
4111 | "Resetting controller.\n", response); | |
4112 | mpt_reset(mpt, TRUE); | |
4113 | continue; | |
4114 | } | |
4115 | mpt_prt(mpt, "abort of req %p:%u completed\n", req, req->serno); | |
4116 | } | |
4117 | } | |
4118 | ||
4119 | /************************ Target Mode Support ****************************/ | |
4120 | static void | |
4121 | mpt_fc_post_els(struct mpt_softc *mpt, request_t *req, int ioindex) | |
4122 | { | |
4123 | MSG_LINK_SERVICE_BUFFER_POST_REQUEST *fc; | |
4124 | PTR_SGE_TRANSACTION32 tep; | |
4125 | PTR_SGE_SIMPLE32 se; | |
4126 | bus_addr_t paddr; | |
4127 | uint32_t fl; | |
4128 | ||
4129 | paddr = req->req_pbuf; | |
4130 | paddr += MPT_RQSL(mpt); | |
4131 | ||
4132 | fc = req->req_vbuf; | |
4133 | memset(fc, 0, MPT_REQUEST_AREA); | |
4134 | fc->BufferCount = 1; | |
4135 | fc->Function = MPI_FUNCTION_FC_LINK_SRVC_BUF_POST; | |
4136 | fc->MsgContext = htole32(req->index | fc_els_handler_id); | |
4137 | ||
4138 | /* | |
4139 | * Okay, set up ELS buffer pointers. ELS buffer pointers | |
4140 | * consist of a TE SGL element (with details length of zero) | |
6d259fc1 | 4141 | * followed by a SIMPLE SGL element which holds the address |
2545bca0 MD |
4142 | * of the buffer. |
4143 | */ | |
4144 | ||
4145 | tep = (PTR_SGE_TRANSACTION32) &fc->SGL; | |
4146 | ||
4147 | tep->ContextSize = 4; | |
4148 | tep->Flags = 0; | |
4149 | tep->TransactionContext[0] = htole32(ioindex); | |
4150 | ||
4151 | se = (PTR_SGE_SIMPLE32) &tep->TransactionDetails[0]; | |
4152 | fl = | |
4153 | MPI_SGE_FLAGS_HOST_TO_IOC | | |
4154 | MPI_SGE_FLAGS_SIMPLE_ELEMENT | | |
4155 | MPI_SGE_FLAGS_LAST_ELEMENT | | |
4156 | MPI_SGE_FLAGS_END_OF_LIST | | |
4157 | MPI_SGE_FLAGS_END_OF_BUFFER; | |
4158 | fl <<= MPI_SGE_FLAGS_SHIFT; | |
4159 | fl |= (MPT_NRFM(mpt) - MPT_RQSL(mpt)); | |
4160 | se->FlagsLength = htole32(fl); | |
4161 | se->Address = htole32((uint32_t) paddr); | |
4162 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
4163 | "add ELS index %d ioindex %d for %p:%u\n", | |
4164 | req->index, ioindex, req, req->serno); | |
4165 | KASSERT(((req->state & REQ_STATE_LOCKED) != 0), | |
4166 | ("mpt_fc_post_els: request not locked")); | |
4167 | mpt_send_cmd(mpt, req); | |
4168 | } | |
4169 | ||
4170 | static void | |
4171 | mpt_post_target_command(struct mpt_softc *mpt, request_t *req, int ioindex) | |
4172 | { | |
4173 | PTR_MSG_TARGET_CMD_BUFFER_POST_REQUEST fc; | |
4174 | PTR_CMD_BUFFER_DESCRIPTOR cb; | |
4175 | bus_addr_t paddr; | |
4176 | ||
4177 | paddr = req->req_pbuf; | |
4178 | paddr += MPT_RQSL(mpt); | |
4179 | memset(req->req_vbuf, 0, MPT_REQUEST_AREA); | |
4180 | MPT_TGT_STATE(mpt, req)->state = TGT_STATE_LOADING; | |
4181 | ||
4182 | fc = req->req_vbuf; | |
4183 | fc->BufferCount = 1; | |
4184 | fc->Function = MPI_FUNCTION_TARGET_CMD_BUFFER_POST; | |
4185 | fc->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); | |
4186 | ||
4187 | cb = &fc->Buffer[0]; | |
4188 | cb->IoIndex = htole16(ioindex); | |
4189 | cb->u.PhysicalAddress32 = htole32((U32) paddr); | |
4190 | ||
4191 | mpt_check_doorbell(mpt); | |
4192 | mpt_send_cmd(mpt, req); | |
4193 | } | |
4194 | ||
4195 | static int | |
4196 | mpt_add_els_buffers(struct mpt_softc *mpt) | |
4197 | { | |
4198 | int i; | |
4199 | ||
4200 | if (mpt->is_fc == 0) { | |
4201 | return (TRUE); | |
4202 | } | |
4203 | ||
4204 | if (mpt->els_cmds_allocated) { | |
4205 | return (TRUE); | |
4206 | } | |
4207 | ||
4208 | mpt->els_cmd_ptrs = kmalloc(MPT_MAX_ELS * sizeof (request_t *), | |
4209 | M_DEVBUF, M_NOWAIT | M_ZERO); | |
4210 | ||
4211 | if (mpt->els_cmd_ptrs == NULL) { | |
4212 | return (FALSE); | |
4213 | } | |
4214 | ||
4215 | /* | |
4216 | * Feed the chip some ELS buffer resources | |
4217 | */ | |
4218 | for (i = 0; i < MPT_MAX_ELS; i++) { | |
4219 | request_t *req = mpt_get_request(mpt, FALSE); | |
4220 | if (req == NULL) { | |
4221 | break; | |
4222 | } | |
4223 | req->state |= REQ_STATE_LOCKED; | |
4224 | mpt->els_cmd_ptrs[i] = req; | |
4225 | mpt_fc_post_els(mpt, req, i); | |
4226 | } | |
4227 | ||
4228 | if (i == 0) { | |
4229 | mpt_prt(mpt, "unable to add ELS buffer resources\n"); | |
4230 | kfree(mpt->els_cmd_ptrs, M_DEVBUF); | |
4231 | mpt->els_cmd_ptrs = NULL; | |
4232 | return (FALSE); | |
4233 | } | |
4234 | if (i != MPT_MAX_ELS) { | |
4235 | mpt_lprt(mpt, MPT_PRT_INFO, | |
4236 | "only added %d of %d ELS buffers\n", i, MPT_MAX_ELS); | |
4237 | } | |
4238 | mpt->els_cmds_allocated = i; | |
4239 | return(TRUE); | |
4240 | } | |
4241 | ||
4242 | static int | |
4243 | mpt_add_target_commands(struct mpt_softc *mpt) | |
4244 | { | |
4245 | int i, max; | |
4246 | ||
4247 | if (mpt->tgt_cmd_ptrs) { | |
4248 | return (TRUE); | |
4249 | } | |
4250 | ||
4251 | max = MPT_MAX_REQUESTS(mpt) >> 1; | |
4252 | if (max > mpt->mpt_max_tgtcmds) { | |
4253 | max = mpt->mpt_max_tgtcmds; | |
4254 | } | |
4255 | mpt->tgt_cmd_ptrs = | |
4256 | kmalloc(max * sizeof (request_t *), M_DEVBUF, M_NOWAIT | M_ZERO); | |
4257 | if (mpt->tgt_cmd_ptrs == NULL) { | |
4258 | mpt_prt(mpt, | |
4259 | "mpt_add_target_commands: could not allocate cmd ptrs\n"); | |
4260 | return (FALSE); | |
4261 | } | |
4262 | ||
4263 | for (i = 0; i < max; i++) { | |
4264 | request_t *req; | |
4265 | ||
4266 | req = mpt_get_request(mpt, FALSE); | |
4267 | if (req == NULL) { | |
4268 | break; | |
4269 | } | |
4270 | req->state |= REQ_STATE_LOCKED; | |
4271 | mpt->tgt_cmd_ptrs[i] = req; | |
4272 | mpt_post_target_command(mpt, req, i); | |
4273 | } | |
4274 | ||
4275 | ||
4276 | if (i == 0) { | |
4277 | mpt_lprt(mpt, MPT_PRT_ERROR, "could not add any target bufs\n"); | |
4278 | kfree(mpt->tgt_cmd_ptrs, M_DEVBUF); | |
4279 | mpt->tgt_cmd_ptrs = NULL; | |
4280 | return (FALSE); | |
4281 | } | |
4282 | ||
4283 | mpt->tgt_cmds_allocated = i; | |
4284 | ||
4285 | if (i < max) { | |
4286 | mpt_lprt(mpt, MPT_PRT_INFO, | |
4287 | "added %d of %d target bufs\n", i, max); | |
4288 | } | |
4289 | return (i); | |
4290 | } | |
4291 | ||
4292 | static int | |
4293 | mpt_enable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun) | |
4294 | { | |
4c42baf4 | 4295 | |
2545bca0 MD |
4296 | if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { |
4297 | mpt->twildcard = 1; | |
4298 | } else if (lun >= MPT_MAX_LUNS) { | |
4299 | return (EINVAL); | |
4300 | } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) { | |
4301 | return (EINVAL); | |
4302 | } | |
4303 | if (mpt->tenabled == 0) { | |
4304 | if (mpt->is_fc) { | |
4305 | (void) mpt_fc_reset_link(mpt, 0); | |
4306 | } | |
4307 | mpt->tenabled = 1; | |
4308 | } | |
4309 | if (lun == CAM_LUN_WILDCARD) { | |
4310 | mpt->trt_wildcard.enabled = 1; | |
4311 | } else { | |
4312 | mpt->trt[lun].enabled = 1; | |
4313 | } | |
4314 | return (0); | |
4315 | } | |
4316 | ||
4317 | static int | |
4318 | mpt_disable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun) | |
4319 | { | |
4320 | int i; | |
4c42baf4 | 4321 | |
2545bca0 MD |
4322 | if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { |
4323 | mpt->twildcard = 0; | |
4324 | } else if (lun >= MPT_MAX_LUNS) { | |
4325 | return (EINVAL); | |
4326 | } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) { | |
4327 | return (EINVAL); | |
4328 | } | |
4329 | if (lun == CAM_LUN_WILDCARD) { | |
4330 | mpt->trt_wildcard.enabled = 0; | |
4331 | } else { | |
4332 | mpt->trt[lun].enabled = 0; | |
4333 | } | |
4334 | for (i = 0; i < MPT_MAX_LUNS; i++) { | |
4335 | if (mpt->trt[lun].enabled) { | |
4336 | break; | |
4337 | } | |
4338 | } | |
4339 | if (i == MPT_MAX_LUNS && mpt->twildcard == 0) { | |
4340 | if (mpt->is_fc) { | |
4341 | (void) mpt_fc_reset_link(mpt, 0); | |
4342 | } | |
4343 | mpt->tenabled = 0; | |
4344 | } | |
4345 | return (0); | |
4346 | } | |
4347 | ||
4348 | /* | |
4349 | * Called with MPT lock held | |
4350 | */ | |
4351 | static void | |
4352 | mpt_target_start_io(struct mpt_softc *mpt, union ccb *ccb) | |
4353 | { | |
4354 | struct ccb_scsiio *csio = &ccb->csio; | |
4355 | request_t *cmd_req = MPT_TAG_2_REQ(mpt, csio->tag_id); | |
4356 | mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); | |
4357 | ||
4358 | switch (tgt->state) { | |
4359 | case TGT_STATE_IN_CAM: | |
4360 | break; | |
4361 | case TGT_STATE_MOVING_DATA: | |
4362 | mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); | |
4363 | xpt_freeze_simq(mpt->sim, 1); | |
4364 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; | |
4365 | tgt->ccb->ccb_h.status |= CAM_RELEASE_SIMQ; | |
2545bca0 | 4366 | xpt_done(ccb); |
2545bca0 MD |
4367 | return; |
4368 | default: | |
4369 | mpt_prt(mpt, "ccb %p flags 0x%x tag 0x%08x had bad request " | |
4370 | "starting I/O\n", ccb, csio->ccb_h.flags, csio->tag_id); | |
4371 | mpt_tgt_dump_req_state(mpt, cmd_req); | |
4372 | mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); | |
2545bca0 | 4373 | xpt_done(ccb); |
2545bca0 MD |
4374 | return; |
4375 | } | |
4376 | ||
4377 | if (csio->dxfer_len) { | |
4378 | bus_dmamap_callback_t *cb; | |
4379 | PTR_MSG_TARGET_ASSIST_REQUEST ta; | |
4380 | request_t *req; | |
4381 | ||
4382 | KASSERT((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE, | |
4c42baf4 | 4383 | ("dxfer_len %u but direction is NONE", csio->dxfer_len)); |
2545bca0 MD |
4384 | |
4385 | if ((req = mpt_get_request(mpt, FALSE)) == NULL) { | |
4386 | if (mpt->outofbeer == 0) { | |
4387 | mpt->outofbeer = 1; | |
4388 | xpt_freeze_simq(mpt->sim, 1); | |
4389 | mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); | |
4390 | } | |
4391 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; | |
4392 | mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); | |
2545bca0 | 4393 | xpt_done(ccb); |
2545bca0 MD |
4394 | return; |
4395 | } | |
4396 | ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG; | |
4397 | if (sizeof (bus_addr_t) > 4) { | |
4398 | cb = mpt_execute_req_a64; | |
4399 | } else { | |
4400 | cb = mpt_execute_req; | |
4401 | } | |
4402 | ||
4403 | req->ccb = ccb; | |
4404 | ccb->ccb_h.ccb_req_ptr = req; | |
4405 | ||
4406 | /* | |
4407 | * Record the currently active ccb and the | |
4408 | * request for it in our target state area. | |
4409 | */ | |
4410 | tgt->ccb = ccb; | |
4411 | tgt->req = req; | |
4412 | ||
4413 | memset(req->req_vbuf, 0, MPT_RQSL(mpt)); | |
4414 | ta = req->req_vbuf; | |
4415 | ||
4416 | if (mpt->is_sas) { | |
4417 | PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = | |
4418 | cmd_req->req_vbuf; | |
4419 | ta->QueueTag = ssp->InitiatorTag; | |
4420 | } else if (mpt->is_spi) { | |
4421 | PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = | |
4422 | cmd_req->req_vbuf; | |
4423 | ta->QueueTag = sp->Tag; | |
4424 | } | |
4425 | ta->Function = MPI_FUNCTION_TARGET_ASSIST; | |
4426 | ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); | |
4427 | ta->ReplyWord = htole32(tgt->reply_desc); | |
4428 | if (csio->ccb_h.target_lun > MPT_MAX_LUNS) { | |
4429 | ta->LUN[0] = | |
4430 | 0x40 | ((csio->ccb_h.target_lun >> 8) & 0x3f); | |
4431 | ta->LUN[1] = csio->ccb_h.target_lun & 0xff; | |
4432 | } else { | |
4433 | ta->LUN[1] = csio->ccb_h.target_lun; | |
4434 | } | |
4435 | ||
4436 | ta->RelativeOffset = tgt->bytes_xfered; | |
4437 | ta->DataLength = ccb->csio.dxfer_len; | |
4438 | if (ta->DataLength > tgt->resid) { | |
4439 | ta->DataLength = tgt->resid; | |
4440 | } | |
4441 | ||
4442 | /* | |
4443 | * XXX Should be done after data transfer completes? | |
4444 | */ | |
4445 | tgt->resid -= csio->dxfer_len; | |
4446 | tgt->bytes_xfered += csio->dxfer_len; | |
4447 | ||
4448 | if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { | |
4449 | ta->TargetAssistFlags |= | |
4450 | TARGET_ASSIST_FLAGS_DATA_DIRECTION; | |
4451 | } | |
4452 | ||
4453 | #ifdef WE_TRUST_AUTO_GOOD_STATUS | |
4454 | if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && | |
4455 | csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { | |
4456 | ta->TargetAssistFlags |= | |
4457 | TARGET_ASSIST_FLAGS_AUTO_STATUS; | |
4458 | } | |
4459 | #endif | |
4460 | tgt->state = TGT_STATE_SETTING_UP_FOR_DATA; | |
4461 | ||
4462 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
4463 | "DATA_CCB %p tag %x %u bytes %u resid flg %x req %p:%u " | |
4464 | "nxtstate=%d\n", csio, csio->tag_id, csio->dxfer_len, | |
4465 | tgt->resid, ccb->ccb_h.flags, req, req->serno, tgt->state); | |
4466 | ||
2545bca0 MD |
4467 | if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { |
4468 | if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { | |
4469 | int error; | |
6d259fc1 | 4470 | crit_enter(); |
2545bca0 MD |
4471 | error = bus_dmamap_load(mpt->buffer_dmat, |
4472 | req->dmap, csio->data_ptr, csio->dxfer_len, | |
4473 | cb, req, 0); | |
6d259fc1 | 4474 | crit_exit(); |
2545bca0 MD |
4475 | if (error == EINPROGRESS) { |
4476 | xpt_freeze_simq(mpt->sim, 1); | |
4477 | ccb->ccb_h.status |= CAM_RELEASE_SIMQ; | |
4478 | } | |
4479 | } else { | |
4480 | /* | |
4481 | * We have been given a pointer to single | |
4482 | * physical buffer. | |
4483 | */ | |
4484 | struct bus_dma_segment seg; | |
4485 | seg.ds_addr = (bus_addr_t) | |
4486 | (vm_offset_t)csio->data_ptr; | |
4487 | seg.ds_len = csio->dxfer_len; | |
4488 | (*cb)(req, &seg, 1, 0); | |
4489 | } | |
4490 | } else { | |
4491 | /* | |
4492 | * We have been given a list of addresses. | |
4493 | * This case could be easily supported but they are not | |
4494 | * currently generated by the CAM subsystem so there | |
4495 | * is no point in wasting the time right now. | |
4496 | */ | |
4497 | struct bus_dma_segment *sgs; | |
4498 | if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { | |
4499 | (*cb)(req, NULL, 0, EFAULT); | |
4500 | } else { | |
4501 | /* Just use the segments provided */ | |
4502 | sgs = (struct bus_dma_segment *)csio->data_ptr; | |
4503 | (*cb)(req, sgs, csio->sglist_cnt, 0); | |
4504 | } | |
4505 | } | |
2545bca0 MD |
4506 | } else { |
4507 | uint8_t *sp = NULL, sense[MPT_SENSE_SIZE]; | |
4508 | ||
4509 | /* | |
4510 | * XXX: I don't know why this seems to happen, but | |
4511 | * XXX: completing the CCB seems to make things happy. | |
4512 | * XXX: This seems to happen if the initiator requests | |
4513 | * XXX: enough data that we have to do multiple CTIOs. | |
4514 | */ | |
4515 | if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { | |
4516 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
4517 | "Meaningless STATUS CCB (%p): flags %x status %x " | |
4518 | "resid %d bytes_xfered %u\n", ccb, ccb->ccb_h.flags, | |
4519 | ccb->ccb_h.status, tgt->resid, tgt->bytes_xfered); | |
4520 | mpt_set_ccb_status(ccb, CAM_REQ_CMP); | |
4521 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; | |
2545bca0 | 4522 | xpt_done(ccb); |
2545bca0 MD |
4523 | return; |
4524 | } | |
4525 | if (ccb->ccb_h.flags & CAM_SEND_SENSE) { | |
4526 | sp = sense; | |
4527 | memcpy(sp, &csio->sense_data, | |
4528 | min(csio->sense_len, MPT_SENSE_SIZE)); | |
4529 | } | |
4530 | mpt_scsi_tgt_status(mpt, ccb, cmd_req, csio->scsi_status, sp); | |
4531 | } | |
4532 | } | |
4533 | ||
4534 | static void | |
4535 | mpt_scsi_tgt_local(struct mpt_softc *mpt, request_t *cmd_req, | |
4536 | uint32_t lun, int send, uint8_t *data, size_t length) | |
4537 | { | |
4538 | mpt_tgt_state_t *tgt; | |
4539 | PTR_MSG_TARGET_ASSIST_REQUEST ta; | |
4540 | SGE_SIMPLE32 *se; | |
4541 | uint32_t flags; | |
4542 | uint8_t *dptr; | |
4543 | bus_addr_t pptr; | |
4544 | request_t *req; | |
4545 | ||
4546 | /* | |
4547 | * We enter with resid set to the data load for the command. | |
4548 | */ | |
4549 | tgt = MPT_TGT_STATE(mpt, cmd_req); | |
4550 | if (length == 0 || tgt->resid == 0) { | |
4551 | tgt->resid = 0; | |
4552 | mpt_scsi_tgt_status(mpt, NULL, cmd_req, 0, NULL); | |
4553 | return; | |
4554 | } | |
4555 | ||
4556 | if ((req = mpt_get_request(mpt, FALSE)) == NULL) { | |
4557 | mpt_prt(mpt, "out of resources- dropping local response\n"); | |
4558 | return; | |
4559 | } | |
4560 | tgt->is_local = 1; | |
4561 | ||
4562 | ||
4563 | memset(req->req_vbuf, 0, MPT_RQSL(mpt)); | |
4564 | ta = req->req_vbuf; | |
4565 | ||
4566 | if (mpt->is_sas) { | |
4567 | PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = cmd_req->req_vbuf; | |
4568 | ta->QueueTag = ssp->InitiatorTag; | |
4569 | } else if (mpt->is_spi) { | |
4570 | PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = cmd_req->req_vbuf; | |
4571 | ta->QueueTag = sp->Tag; | |
4572 | } | |
4573 | ta->Function = MPI_FUNCTION_TARGET_ASSIST; | |
4574 | ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); | |
4575 | ta->ReplyWord = htole32(tgt->reply_desc); | |
4576 | if (lun > MPT_MAX_LUNS) { | |
4577 | ta->LUN[0] = 0x40 | ((lun >> 8) & 0x3f); | |
4578 | ta->LUN[1] = lun & 0xff; | |
4579 | } else { | |
4580 | ta->LUN[1] = lun; | |
4581 | } | |
4582 | ta->RelativeOffset = 0; | |
4583 | ta->DataLength = length; | |
4584 | ||
4585 | dptr = req->req_vbuf; | |
4586 | dptr += MPT_RQSL(mpt); | |
4587 | pptr = req->req_pbuf; | |
4588 | pptr += MPT_RQSL(mpt); | |
4589 | memcpy(dptr, data, min(length, MPT_RQSL(mpt))); | |
4590 | ||
4591 | se = (SGE_SIMPLE32 *) &ta->SGL[0]; | |
4592 | memset(se, 0,sizeof (*se)); | |
4593 | ||
4594 | flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; | |
4595 | if (send) { | |
4596 | ta->TargetAssistFlags |= TARGET_ASSIST_FLAGS_DATA_DIRECTION; | |
4597 | flags |= MPI_SGE_FLAGS_HOST_TO_IOC; | |
4598 | } | |
4599 | se->Address = pptr; | |
4600 | MPI_pSGE_SET_LENGTH(se, length); | |
4601 | flags |= MPI_SGE_FLAGS_LAST_ELEMENT; | |
4602 | flags |= MPI_SGE_FLAGS_END_OF_LIST | MPI_SGE_FLAGS_END_OF_BUFFER; | |
4603 | MPI_pSGE_SET_FLAGS(se, flags); | |
4604 | ||
4605 | tgt->ccb = NULL; | |
4606 | tgt->req = req; | |
4607 | tgt->resid -= length; | |
4608 | tgt->bytes_xfered = length; | |
4609 | #ifdef WE_TRUST_AUTO_GOOD_STATUS | |
4610 | tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; | |
4611 | #else | |
4612 | tgt->state = TGT_STATE_MOVING_DATA; | |
4613 | #endif | |
4614 | mpt_send_cmd(mpt, req); | |
4615 | } | |
4616 | ||
4617 | /* | |
4618 | * Abort queued up CCBs | |
4619 | */ | |
4620 | static cam_status | |
4621 | mpt_abort_target_ccb(struct mpt_softc *mpt, union ccb *ccb) | |
4622 | { | |
4623 | struct mpt_hdr_stailq *lp; | |
4624 | struct ccb_hdr *srch; | |
4625 | int found = 0; | |
4626 | union ccb *accb = ccb->cab.abort_ccb; | |
4627 | tgt_resource_t *trtp; | |
4628 | ||
4629 | mpt_lprt(mpt, MPT_PRT_DEBUG, "aborting ccb %p\n", accb); | |
4630 | ||
4631 | if (ccb->ccb_h.target_lun == CAM_LUN_WILDCARD) { | |
4632 | trtp = &mpt->trt_wildcard; | |
4633 | } else { | |
4634 | trtp = &mpt->trt[ccb->ccb_h.target_lun]; | |
4635 | } | |
4636 | ||
4637 | if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { | |
4638 | lp = &trtp->atios; | |
4639 | } else if (accb->ccb_h.func_code == XPT_IMMED_NOTIFY) { | |
4640 | lp = &trtp->inots; | |
4641 | } else { | |
4642 | return (CAM_REQ_INVALID); | |
4643 | } | |
4644 | ||
4645 | STAILQ_FOREACH(srch, lp, sim_links.stqe) { | |
4646 | if (srch == &accb->ccb_h) { | |
4647 | found = 1; | |
4648 | STAILQ_REMOVE(lp, srch, ccb_hdr, sim_links.stqe); | |
4649 | break; | |
4650 | } | |
4651 | } | |
4652 | if (found) { | |
4653 | accb->ccb_h.status = CAM_REQ_ABORTED; | |
4654 | xpt_done(accb); | |
4655 | return (CAM_REQ_CMP); | |
4656 | } | |
4657 | mpt_prt(mpt, "mpt_abort_tgt_ccb: CCB %p not found\n", ccb); | |
4658 | return (CAM_PATH_INVALID); | |
4659 | } | |
4660 | ||
4661 | /* | |
4662 | * Ask the MPT to abort the current target command | |
4663 | */ | |
4664 | static int | |
4665 | mpt_abort_target_cmd(struct mpt_softc *mpt, request_t *cmd_req) | |
4666 | { | |
4667 | int error; | |
4668 | request_t *req; | |
4669 | PTR_MSG_TARGET_MODE_ABORT abtp; | |
4670 | ||
4671 | req = mpt_get_request(mpt, FALSE); | |
4672 | if (req == NULL) { | |
4673 | return (-1); | |
4674 | } | |
4675 | abtp = req->req_vbuf; | |
4676 | memset(abtp, 0, sizeof (*abtp)); | |
4677 | ||
4678 | abtp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); | |
4679 | abtp->AbortType = TARGET_MODE_ABORT_TYPE_EXACT_IO; | |
4680 | abtp->Function = MPI_FUNCTION_TARGET_MODE_ABORT; | |
4681 | abtp->ReplyWord = htole32(MPT_TGT_STATE(mpt, cmd_req)->reply_desc); | |
4682 | error = 0; | |
4683 | if (mpt->is_fc || mpt->is_sas) { | |
4684 | mpt_send_cmd(mpt, req); | |
4685 | } else { | |
4686 | error = mpt_send_handshake_cmd(mpt, sizeof(*req), req); | |
4687 | } | |
4688 | return (error); | |
4689 | } | |
4690 | ||
4691 | /* | |
4692 | * WE_TRUST_AUTO_GOOD_STATUS- I've found that setting | |
4693 | * TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS leads the | |
4694 | * FC929 to set bogus FC_RSP fields (nonzero residuals | |
4695 | * but w/o RESID fields set). This causes QLogic initiators | |
4696 | * to think maybe that a frame was lost. | |
4697 | * | |
4698 | * WE_CAN_USE_AUTO_REPOST- we can't use AUTO_REPOST because | |
4699 | * we use allocated requests to do TARGET_ASSIST and we | |
4700 | * need to know when to release them. | |
4701 | */ | |
4702 | ||
4703 | static void | |
4704 | mpt_scsi_tgt_status(struct mpt_softc *mpt, union ccb *ccb, request_t *cmd_req, | |
4705 | uint8_t status, uint8_t const *sense_data) | |
4706 | { | |
4707 | uint8_t *cmd_vbuf; | |
4708 | mpt_tgt_state_t *tgt; | |
4709 | PTR_MSG_TARGET_STATUS_SEND_REQUEST tp; | |
4710 | request_t *req; | |
4711 | bus_addr_t paddr; | |
4712 | int resplen = 0; | |
4713 | uint32_t fl; | |
4714 | ||
4715 | cmd_vbuf = cmd_req->req_vbuf; | |
4716 | cmd_vbuf += MPT_RQSL(mpt); | |
4717 | tgt = MPT_TGT_STATE(mpt, cmd_req); | |
4718 | ||
4719 | if ((req = mpt_get_request(mpt, FALSE)) == NULL) { | |
4720 | if (mpt->outofbeer == 0) { | |
4721 | mpt->outofbeer = 1; | |
4722 | xpt_freeze_simq(mpt->sim, 1); | |
4723 | mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); | |
4724 | } | |
4725 | if (ccb) { | |
4726 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; | |
4727 | mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); | |
2545bca0 | 4728 | xpt_done(ccb); |
2545bca0 MD |
4729 | } else { |
4730 | mpt_prt(mpt, | |
4731 | "could not allocate status request- dropping\n"); | |
4732 | } | |
4733 | return; | |
4734 | } | |
4735 | req->ccb = ccb; | |
4736 | if (ccb) { | |
4737 | ccb->ccb_h.ccb_mpt_ptr = mpt; | |
4738 | ccb->ccb_h.ccb_req_ptr = req; | |
4739 | } | |
4740 | ||
4741 | /* | |
4742 | * Record the currently active ccb, if any, and the | |
4743 | * request for it in our target state area. | |
4744 | */ | |
4745 | tgt->ccb = ccb; | |
4746 | tgt->req = req; | |
4747 | tgt->state = TGT_STATE_SENDING_STATUS; | |
4748 | ||
4749 | tp = req->req_vbuf; | |
4750 | paddr = req->req_pbuf; | |
4751 | paddr += MPT_RQSL(mpt); | |
4752 | ||
4753 | memset(tp, 0, sizeof (*tp)); | |
4754 | tp->Function = MPI_FUNCTION_TARGET_STATUS_SEND; | |
4755 | if (mpt->is_fc) { | |
4756 | PTR_MPI_TARGET_FCP_CMD_BUFFER fc = | |
4757 | (PTR_MPI_TARGET_FCP_CMD_BUFFER) cmd_vbuf; | |
4758 | uint8_t *sts_vbuf; | |
4759 | uint32_t *rsp; | |
4760 | ||
4761 | sts_vbuf = req->req_vbuf; | |
4762 | sts_vbuf += MPT_RQSL(mpt); | |
4763 | rsp = (uint32_t *) sts_vbuf; | |
4764 | memcpy(tp->LUN, fc->FcpLun, sizeof (tp->LUN)); | |
4765 | ||
4766 | /* | |
4767 | * The MPI_TARGET_FCP_RSP_BUFFER define is unfortunate. | |
4768 | * It has to be big-endian in memory and is organized | |
4769 | * in 32 bit words, which are much easier to deal with | |
4770 | * as words which are swizzled as needed. | |
4771 | * | |
4772 | * All we're filling here is the FC_RSP payload. | |
4773 | * We may just have the chip synthesize it if | |
4774 | * we have no residual and an OK status. | |
4775 | * | |
4776 | */ | |
4777 | memset(rsp, 0, sizeof (MPI_TARGET_FCP_RSP_BUFFER)); | |
4778 | ||
4779 | rsp[2] = status; | |
4780 | if (tgt->resid) { | |
4781 | rsp[2] |= 0x800; /* XXXX NEED MNEMONIC!!!! */ | |
4782 | rsp[3] = htobe32(tgt->resid); | |
4783 | #ifdef WE_TRUST_AUTO_GOOD_STATUS | |
4784 | resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER); | |
4785 | #endif | |
4786 | } | |
4787 | if (status == SCSI_STATUS_CHECK_COND) { | |
4788 | int i; | |
4789 | ||
4790 | rsp[2] |= 0x200; /* XXXX NEED MNEMONIC!!!! */ | |
4791 | rsp[4] = htobe32(MPT_SENSE_SIZE); | |
4792 | if (sense_data) { | |
4793 | memcpy(&rsp[8], sense_data, MPT_SENSE_SIZE); | |
4794 | } else { | |
4795 | mpt_prt(mpt, "mpt_scsi_tgt_status: CHECK CONDI" | |
4796 | "TION but no sense data?\n"); | |
bc238f04 | 4797 | memset(&rsp[8], 0, MPT_SENSE_SIZE); |
2545bca0 MD |
4798 | } |
4799 | for (i = 8; i < (8 + (MPT_SENSE_SIZE >> 2)); i++) { | |
4800 | rsp[i] = htobe32(rsp[i]); | |
4801 | } | |
4802 | #ifdef WE_TRUST_AUTO_GOOD_STATUS | |
4803 | resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER); | |
4804 | #endif | |
4805 | } | |
4806 | #ifndef WE_TRUST_AUTO_GOOD_STATUS | |
4807 | resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER); | |
4808 | #endif | |
4809 | rsp[2] = htobe32(rsp[2]); | |
4810 | } else if (mpt->is_sas) { | |
4811 | PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = | |
4812 | (PTR_MPI_TARGET_SSP_CMD_BUFFER) cmd_vbuf; | |
4813 | memcpy(tp->LUN, ssp->LogicalUnitNumber, sizeof (tp->LUN)); | |
4814 | } else { | |
4815 | PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = | |
4816 | (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) cmd_vbuf; | |
4817 | tp->StatusCode = status; | |
4818 | tp->QueueTag = htole16(sp->Tag); | |
4819 | memcpy(tp->LUN, sp->LogicalUnitNumber, sizeof (tp->LUN)); | |
4820 | } | |
4821 | ||
4822 | tp->ReplyWord = htole32(tgt->reply_desc); | |
4823 | tp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); | |
4824 | ||
4825 | #ifdef WE_CAN_USE_AUTO_REPOST | |
4826 | tp->MsgFlags = TARGET_STATUS_SEND_FLAGS_REPOST_CMD_BUFFER; | |
4827 | #endif | |
4828 | if (status == SCSI_STATUS_OK && resplen == 0) { | |
4829 | tp->MsgFlags |= TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS; | |
4830 | } else { | |
4831 | tp->StatusDataSGE.u.Address32 = htole32((uint32_t) paddr); | |
4832 | fl = | |
4833 | MPI_SGE_FLAGS_HOST_TO_IOC | | |
4834 | MPI_SGE_FLAGS_SIMPLE_ELEMENT | | |
4835 | MPI_SGE_FLAGS_LAST_ELEMENT | | |
4836 | MPI_SGE_FLAGS_END_OF_LIST | | |
4837 | MPI_SGE_FLAGS_END_OF_BUFFER; | |
4838 | fl <<= MPI_SGE_FLAGS_SHIFT; | |
4839 | fl |= resplen; | |
4840 | tp->StatusDataSGE.FlagsLength = htole32(fl); | |
4841 | } | |
4842 | ||
4843 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
4844 | "STATUS_CCB %p (wit%s sense) tag %x req %p:%u resid %u\n", | |
4845 | ccb, sense_data?"h" : "hout", ccb? ccb->csio.tag_id : -1, req, | |
4846 | req->serno, tgt->resid); | |
4847 | if (ccb) { | |
4848 | ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG; | |
4849 | mpt_req_timeout(req, 60 * hz, mpt_timeout, ccb); | |
4850 | } | |
4851 | mpt_send_cmd(mpt, req); | |
4852 | } | |
4853 | ||
4854 | static void | |
4855 | mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *mpt, request_t *req, mpt_task_mgmt_t fc, | |
4856 | tgt_resource_t *trtp, int init_id) | |
4857 | { | |
4858 | struct ccb_immed_notify *inot; | |
4859 | mpt_tgt_state_t *tgt; | |
4860 | ||
4861 | tgt = MPT_TGT_STATE(mpt, req); | |
4862 | inot = (struct ccb_immed_notify *) STAILQ_FIRST(&trtp->inots); | |
4863 | if (inot == NULL) { | |
4864 | mpt_lprt(mpt, MPT_PRT_WARN, "no INOTSs- sending back BSY\n"); | |
4865 | mpt_scsi_tgt_status(mpt, NULL, req, SCSI_STATUS_BUSY, NULL); | |
4866 | return; | |
4867 | } | |
4868 | STAILQ_REMOVE_HEAD(&trtp->inots, sim_links.stqe); | |
4869 | mpt_lprt(mpt, MPT_PRT_DEBUG1, | |
4870 | "Get FREE INOT %p lun %d\n", inot, inot->ccb_h.target_lun); | |
4871 | ||
4872 | memset(&inot->sense_data, 0, sizeof (inot->sense_data)); | |
4873 | inot->sense_len = 0; | |
4874 | memset(inot->message_args, 0, sizeof (inot->message_args)); | |
4875 | inot->initiator_id = init_id; /* XXX */ | |
4876 | ||
4877 | /* | |
4878 | * This is a somewhat grotesque attempt to map from task management | |
4879 | * to old style SCSI messages. God help us all. | |
4880 | */ | |
4881 | switch (fc) { | |
4882 | case MPT_ABORT_TASK_SET: | |
4883 | inot->message_args[0] = MSG_ABORT_TAG; | |
4884 | break; | |
4885 | case MPT_CLEAR_TASK_SET: | |
4886 | inot->message_args[0] = MSG_CLEAR_TASK_SET; | |
4887 | break; | |
4888 | case MPT_TARGET_RESET: | |
4889 | inot->message_args[0] = MSG_TARGET_RESET; | |
4890 | break; | |
4891 | case MPT_CLEAR_ACA: | |
4892 | inot->message_args[0] = MSG_CLEAR_ACA; | |
4893 | break; | |
4894 | case MPT_TERMINATE_TASK: | |
4895 | inot->message_args[0] = MSG_ABORT_TAG; | |
4896 | break; | |
4897 | default: | |
4898 | inot->message_args[0] = MSG_NOOP; | |
4899 | break; | |
4900 | } | |
4901 | tgt->ccb = (union ccb *) inot; | |
4902 | inot->ccb_h.status = CAM_MESSAGE_RECV|CAM_DEV_QFRZN; | |
2545bca0 | 4903 | xpt_done((union ccb *)inot); |
2545bca0 MD |
4904 | } |
4905 | ||
4906 | static void | |
4907 | mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc) | |
4908 | { | |
4909 | static uint8_t null_iqd[SHORT_INQUIRY_LENGTH] = { | |
4910 | 0x7f, 0x00, 0x02, 0x02, 0x20, 0x00, 0x00, 0x32, | |
4911 | 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', | |
4912 | 'L', 'S', 'I', '-', 'L', 'O', 'G', 'I', | |
4913 | 'C', ' ', 'N', 'U', 'L', 'D', 'E', 'V', | |
4914 | '0', '0', '0', '1' | |
4915 | }; | |
4916 | struct ccb_accept_tio *atiop; | |
4917 | lun_id_t lun; | |
4918 | int tag_action = 0; | |
4919 | mpt_tgt_state_t *tgt; | |
4920 | tgt_resource_t *trtp = NULL; | |
4921 | U8 *lunptr; | |
4922 | U8 *vbuf; | |
4923 | U16 itag; | |
4924 | U16 ioindex; | |
4925 | mpt_task_mgmt_t fct = MPT_NIL_TMT_VALUE; | |
4926 | uint8_t *cdbp; | |
4927 | ||
2545bca0 MD |
4928 | /* |
4929 | * Stash info for the current command where we can get at it later. | |
4930 | */ | |
4931 | vbuf = req->req_vbuf; | |
4932 | vbuf += MPT_RQSL(mpt); | |
4933 | ||
4934 | /* | |
4935 | * Get our state pointer set up. | |
4936 | */ | |
4937 | tgt = MPT_TGT_STATE(mpt, req); | |
4938 | if (tgt->state != TGT_STATE_LOADED) { | |
4939 | mpt_tgt_dump_req_state(mpt, req); | |
4940 | panic("bad target state in mpt_scsi_tgt_atio"); | |
4941 | } | |
4942 | memset(tgt, 0, sizeof (mpt_tgt_state_t)); | |
4943 | tgt->state = TGT_STATE_IN_CAM; | |
4944 | tgt->reply_desc = reply_desc; | |
4945 | ioindex = GET_IO_INDEX(reply_desc); | |
4946 | if (mpt->verbose >= MPT_PRT_DEBUG) { | |
4947 | mpt_dump_data(mpt, "mpt_scsi_tgt_atio response", vbuf, | |
4948 | max(sizeof (MPI_TARGET_FCP_CMD_BUFFER), | |
4949 | max(sizeof (MPI_TARGET_SSP_CMD_BUFFER), | |
4950 | sizeof (MPI_TARGET_SCSI_SPI_CMD_BUFFER)))); | |
4951 | } | |
4952 | if (mpt->is_fc) { | |
4953 | PTR_MPI_TARGET_FCP_CMD_BUFFER fc; | |
4954 | fc = (PTR_MPI_TARGET_FCP_CMD_BUFFER) vbuf; | |
4955 | if (fc->FcpCntl[2]) { | |
4956 | /* | |
4957 | * Task Management Request | |
4958 | */ | |
4959 | switch (fc->FcpCntl[2]) { | |
4960 | case 0x2: | |
4961 | fct = MPT_ABORT_TASK_SET; | |
4962 | break; | |
4963 | case 0x4: | |
4964 | fct = MPT_CLEAR_TASK_SET; | |
4965 | break; | |
4966 | case 0x20: | |
4967 | fct = MPT_TARGET_RESET; | |
4968 | break; | |
4969 | case 0x40: | |
4970 | fct = MPT_CLEAR_ACA; | |
4971 | break; | |
4972 | case 0x80: | |
4973 | fct = MPT_TERMINATE_TASK; | |
4974 | break; | |
4975 | default: | |
4976 | mpt_prt(mpt, "CORRUPTED TASK MGMT BITS: 0x%x\n", | |
4977 | fc->FcpCntl[2]); | |
4978 | mpt_scsi_tgt_status(mpt, 0, req, | |
4979 | SCSI_STATUS_OK, 0); | |
4980 | return; | |
4981 | } | |
4982 | } else { | |
4983 | switch (fc->FcpCntl[1]) { | |
4984 | case 0: | |
4985 | tag_action = MSG_SIMPLE_Q_TAG; | |
4986 | break; | |
4987 | case 1: | |
4988 | tag_action = MSG_HEAD_OF_Q_TAG; | |
4989 | break; | |
4990 | case 2: | |
4991 | tag_action = MSG_ORDERED_Q_TAG; | |
4992 | break; | |
4993 | default: | |
4994 | /* | |
4995 | * Bah. Ignore Untagged Queing and ACA | |
4996 | */ | |
4997 | tag_action = MSG_SIMPLE_Q_TAG; | |
4998 | break; | |
4999 | } | |
5000 | } | |
5001 | tgt->resid = be32toh(fc->FcpDl); | |
5002 | cdbp = fc->FcpCdb; | |
5003 | lunptr = fc->FcpLun; | |
5004 | itag = be16toh(fc->OptionalOxid); | |
5005 | } else if (mpt->is_sas) { | |
5006 | PTR_MPI_TARGET_SSP_CMD_BUFFER ssp; | |
5007 | ssp = (PTR_MPI_TARGET_SSP_CMD_BUFFER) vbuf; | |
5008 | cdbp = ssp->CDB; | |
5009 | lunptr = ssp->LogicalUnitNumber; | |
5010 | itag = ssp->InitiatorTag; | |
5011 | } else { | |
5012 | PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp; | |
5013 | sp = (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) vbuf; | |
5014 | cdbp = sp->CDB; | |
5015 | lunptr = sp->LogicalUnitNumber; | |
5016 | itag = sp->Tag; | |
5017 | } | |
5018 | ||
5019 | /* | |
5020 | * Generate a simple lun | |
5021 | */ | |
5022 | switch (lunptr[0] & 0xc0) { | |
5023 | case 0x40: | |
5024 | lun = ((lunptr[0] & 0x3f) << 8) | lunptr[1]; | |
5025 | break; | |
5026 | case 0: | |
5027 | lun = lunptr[1]; | |
5028 | break; | |
5029 | default: | |
5030 | mpt_lprt(mpt, MPT_PRT_ERROR, "cannot handle this type lun\n"); | |
5031 | lun = 0xffff; | |
5032 | break; | |
5033 | } | |
5034 | ||
5035 | /* | |
5036 | * Deal with non-enabled or bad luns here. | |
5037 | */ | |
5038 | if (lun >= MPT_MAX_LUNS || mpt->tenabled == 0 || | |
5039 | mpt->trt[lun].enabled == 0) { | |
5040 | if (mpt->twildcard) { | |
5041 | trtp = &mpt->trt_wildcard; | |
5042 | } else if (fct == MPT_NIL_TMT_VALUE) { | |
5043 | /* | |
5044 | * In this case, we haven't got an upstream listener | |
5045 | * for either a specific lun or wildcard luns. We | |
5046 | * have to make some sensible response. For regular | |
5047 | * inquiry, just return some NOT HERE inquiry data. | |
5048 | * For VPD inquiry, report illegal field in cdb. | |
5049 | * For REQUEST SENSE, just return NO SENSE data. | |
5050 | * REPORT LUNS gets illegal command. | |
5051 | * All other commands get 'no such device'. | |
5052 | */ | |
5053 | uint8_t *sp, cond, buf[MPT_SENSE_SIZE]; | |
5054 | size_t len; | |
5055 | ||
5056 | memset(buf, 0, MPT_SENSE_SIZE); | |
5057 | cond = SCSI_STATUS_CHECK_COND; | |
5058 | buf[0] = 0xf0; | |
5059 | buf[2] = 0x5; | |
5060 | buf[7] = 0x8; | |
5061 | sp = buf; | |
5062 | tgt->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex); | |
5063 | ||
5064 | switch (cdbp[0]) { | |
5065 | case INQUIRY: | |
5066 | { | |
5067 | if (cdbp[1] != 0) { | |
5068 | buf[12] = 0x26; | |
5069 | buf[13] = 0x01; | |
5070 | break; | |
5071 | } | |
5072 | len = min(tgt->resid, cdbp[4]); | |
5073 | len = min(len, sizeof (null_iqd)); | |
5074 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
5075 | "local inquiry %ld bytes\n", (long) len); | |
5076 | mpt_scsi_tgt_local(mpt, req, lun, 1, | |
5077 | null_iqd, len); | |
5078 | return; | |
5079 | } | |
5080 | case REQUEST_SENSE: | |
5081 | { | |
5082 | buf[2] = 0x0; | |
5083 | len = min(tgt->resid, cdbp[4]); | |
5084 | len = min(len, sizeof (buf)); | |
5085 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
5086 | "local reqsense %ld bytes\n", (long) len); | |
5087 | mpt_scsi_tgt_local(mpt, req, lun, 1, | |
5088 | buf, len); | |
5089 | return; | |
5090 | } | |
5091 | case REPORT_LUNS: | |
5092 | mpt_lprt(mpt, MPT_PRT_DEBUG, "REPORT LUNS\n"); | |
5093 | buf[12] = 0x26; | |
5094 | return; | |
5095 | default: | |
5096 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
5097 | "CMD 0x%x to unmanaged lun %u\n", | |
5098 | cdbp[0], lun); | |
5099 | buf[12] = 0x25; | |
5100 | break; | |
5101 | } | |
5102 | mpt_scsi_tgt_status(mpt, NULL, req, cond, sp); | |
5103 | return; | |
5104 | } | |
5105 | /* otherwise, leave trtp NULL */ | |
5106 | } else { | |
5107 | trtp = &mpt->trt[lun]; | |
5108 | } | |
5109 | ||
5110 | /* | |
5111 | * Deal with any task management | |
5112 | */ | |
5113 | if (fct != MPT_NIL_TMT_VALUE) { | |
5114 | if (trtp == NULL) { | |
5115 | mpt_prt(mpt, "task mgmt function %x but no listener\n", | |
5116 | fct); | |
5117 | mpt_scsi_tgt_status(mpt, 0, req, | |
5118 | SCSI_STATUS_OK, 0); | |
5119 | } else { | |
5120 | mpt_scsi_tgt_tsk_mgmt(mpt, req, fct, trtp, | |
5121 | GET_INITIATOR_INDEX(reply_desc)); | |
5122 | } | |
5123 | return; | |
5124 | } | |
5125 | ||
5126 | ||
5127 | atiop = (struct ccb_accept_tio *) STAILQ_FIRST(&trtp->atios); | |
5128 | if (atiop == NULL) { | |
5129 | mpt_lprt(mpt, MPT_PRT_WARN, | |
5130 | "no ATIOs for lun %u- sending back %s\n", lun, | |
5131 | mpt->tenabled? "QUEUE FULL" : "BUSY"); | |
5132 | mpt_scsi_tgt_status(mpt, NULL, req, | |
5133 | mpt->tenabled? SCSI_STATUS_QUEUE_FULL : SCSI_STATUS_BUSY, | |
5134 | NULL); | |
5135 | return; | |
5136 | } | |
5137 | STAILQ_REMOVE_HEAD(&trtp->atios, sim_links.stqe); | |
5138 | mpt_lprt(mpt, MPT_PRT_DEBUG1, | |
5139 | "Get FREE ATIO %p lun %d\n", atiop, atiop->ccb_h.target_lun); | |
5140 | atiop->ccb_h.ccb_mpt_ptr = mpt; | |
5141 | atiop->ccb_h.status = CAM_CDB_RECVD; | |
5142 | atiop->ccb_h.target_lun = lun; | |
5143 | atiop->sense_len = 0; | |
5144 | atiop->init_id = GET_INITIATOR_INDEX(reply_desc); | |
5145 | atiop->cdb_len = mpt_cdblen(cdbp[0], 16); | |
5146 | memcpy(atiop->cdb_io.cdb_bytes, cdbp, atiop->cdb_len); | |
5147 | ||
5148 | /* | |
5149 | * The tag we construct here allows us to find the | |
5150 | * original request that the command came in with. | |
5151 | * | |
5152 | * This way we don't have to depend on anything but the | |
5153 | * tag to find things when CCBs show back up from CAM. | |
5154 | */ | |
5155 | atiop->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex); | |
5156 | tgt->tag_id = atiop->tag_id; | |
5157 | if (tag_action) { | |
5158 | atiop->tag_action = tag_action; | |
5159 | atiop->ccb_h.flags = CAM_TAG_ACTION_VALID; | |
5160 | } | |
5161 | if (mpt->verbose >= MPT_PRT_DEBUG) { | |
5162 | int i; | |
5163 | mpt_prt(mpt, "START_CCB %p for lun %u CDB=<", atiop, | |
5164 | atiop->ccb_h.target_lun); | |
5165 | for (i = 0; i < atiop->cdb_len; i++) { | |
5166 | mpt_prtc(mpt, "%02x%c", cdbp[i] & 0xff, | |
5167 | (i == (atiop->cdb_len - 1))? '>' : ' '); | |
5168 | } | |
5169 | mpt_prtc(mpt, " itag %x tag %x rdesc %x dl=%u\n", | |
6d259fc1 | 5170 | itag, atiop->tag_id, tgt->reply_desc, tgt->resid); |
2545bca0 MD |
5171 | } |
5172 | ||
2545bca0 | 5173 | xpt_done((union ccb *)atiop); |
2545bca0 MD |
5174 | } |
5175 | ||
5176 | static void | |
5177 | mpt_tgt_dump_tgt_state(struct mpt_softc *mpt, request_t *req) | |
5178 | { | |
5179 | mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req); | |
5180 | ||
5181 | mpt_prt(mpt, "req %p:%u tgt:rdesc 0x%x resid %u xfrd %u ccb %p treq %p " | |
5182 | "nx %d tag 0x%08x state=%d\n", req, req->serno, tgt->reply_desc, | |
5183 | tgt->resid, tgt->bytes_xfered, tgt->ccb, tgt->req, tgt->nxfers, | |
5184 | tgt->tag_id, tgt->state); | |
5185 | } | |
5186 | ||
5187 | static void | |
5188 | mpt_tgt_dump_req_state(struct mpt_softc *mpt, request_t *req) | |
5189 | { | |
4c42baf4 | 5190 | |
2545bca0 MD |
5191 | mpt_prt(mpt, "req %p:%u index %u (%x) state %x\n", req, req->serno, |
5192 | req->index, req->index, req->state); | |
5193 | mpt_tgt_dump_tgt_state(mpt, req); | |
5194 | } | |
5195 | ||
5196 | static int | |
5197 | mpt_scsi_tgt_reply_handler(struct mpt_softc *mpt, request_t *req, | |
5198 | uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) | |
5199 | { | |
5200 | int dbg; | |
5201 | union ccb *ccb; | |
5202 | U16 status; | |
5203 | ||
5204 | if (reply_frame == NULL) { | |
5205 | /* | |
5206 | * Figure out what the state of the command is. | |
5207 | */ | |
5208 | mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req); | |
5209 | ||
5210 | #ifdef INVARIANTS | |
5211 | mpt_req_spcl(mpt, req, "turbo scsi_tgt_reply", __LINE__); | |
5212 | if (tgt->req) { | |
5213 | mpt_req_not_spcl(mpt, tgt->req, | |
5214 | "turbo scsi_tgt_reply associated req", __LINE__); | |
5215 | } | |
5216 | #endif | |
5217 | switch(tgt->state) { | |
5218 | case TGT_STATE_LOADED: | |
5219 | /* | |
5220 | * This is a new command starting. | |
5221 | */ | |
5222 | mpt_scsi_tgt_atio(mpt, req, reply_desc); | |
5223 | break; | |
5224 | case TGT_STATE_MOVING_DATA: | |
5225 | { | |
5226 | uint8_t *sp = NULL, sense[MPT_SENSE_SIZE]; | |
5227 | ||
5228 | ccb = tgt->ccb; | |
5229 | if (tgt->req == NULL) { | |
5230 | panic("mpt: turbo target reply with null " | |
5231 | "associated request moving data"); | |
5232 | /* NOTREACHED */ | |
5233 | } | |
5234 | if (ccb == NULL) { | |
5235 | if (tgt->is_local == 0) { | |
5236 | panic("mpt: turbo target reply with " | |
5237 | "null associated ccb moving data"); | |
5238 | /* NOTREACHED */ | |
5239 | } | |
5240 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
5241 | "TARGET_ASSIST local done\n"); | |
5242 | TAILQ_REMOVE(&mpt->request_pending_list, | |
5243 | tgt->req, links); | |
5244 | mpt_free_request(mpt, tgt->req); | |
5245 | tgt->req = NULL; | |
5246 | mpt_scsi_tgt_status(mpt, NULL, req, | |
5247 | 0, NULL); | |
5248 | return (TRUE); | |
5249 | } | |
5250 | tgt->ccb = NULL; | |
5251 | tgt->nxfers++; | |
5252 | mpt_req_untimeout(req, mpt_timeout, ccb); | |
5253 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
5254 | "TARGET_ASSIST %p (req %p:%u) done tag 0x%x\n", | |
5255 | ccb, tgt->req, tgt->req->serno, ccb->csio.tag_id); | |
5256 | /* | |
5257 | * Free the Target Assist Request | |
5258 | */ | |
5259 | KASSERT(tgt->req->ccb == ccb, | |
5260 | ("tgt->req %p:%u tgt->req->ccb %p", tgt->req, | |
5261 | tgt->req->serno, tgt->req->ccb)); | |
5262 | TAILQ_REMOVE(&mpt->request_pending_list, | |
5263 | tgt->req, links); | |
5264 | mpt_free_request(mpt, tgt->req); | |
5265 | tgt->req = NULL; | |
5266 | ||
5267 | /* | |
5268 | * Do we need to send status now? That is, are | |
5269 | * we done with all our data transfers? | |
5270 | */ | |
5271 | if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { | |
5272 | mpt_set_ccb_status(ccb, CAM_REQ_CMP); | |
5273 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; | |
5274 | KASSERT(ccb->ccb_h.status, | |
4c42baf4 | 5275 | ("zero ccb sts at %d", __LINE__)); |
2545bca0 MD |
5276 | tgt->state = TGT_STATE_IN_CAM; |
5277 | if (mpt->outofbeer) { | |
5278 | ccb->ccb_h.status |= CAM_RELEASE_SIMQ; | |
5279 | mpt->outofbeer = 0; | |
5280 | mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); | |
5281 | } | |
2545bca0 | 5282 | xpt_done(ccb); |
2545bca0 MD |
5283 | break; |
5284 | } | |
5285 | /* | |
5286 | * Otherwise, send status (and sense) | |
5287 | */ | |
5288 | if (ccb->ccb_h.flags & CAM_SEND_SENSE) { | |
5289 | sp = sense; | |
5290 | memcpy(sp, &ccb->csio.sense_data, | |
5291 | min(ccb->csio.sense_len, MPT_SENSE_SIZE)); | |
5292 | } | |
5293 | mpt_scsi_tgt_status(mpt, ccb, req, | |
5294 | ccb->csio.scsi_status, sp); | |
5295 | break; | |
5296 | } | |
5297 | case TGT_STATE_SENDING_STATUS: | |
5298 | case TGT_STATE_MOVING_DATA_AND_STATUS: | |
5299 | { | |
5300 | int ioindex; | |
5301 | ccb = tgt->ccb; | |
5302 | ||
5303 | if (tgt->req == NULL) { | |
5304 | panic("mpt: turbo target reply with null " | |
5305 | "associated request sending status"); | |
5306 | /* NOTREACHED */ | |
5307 | } | |
5308 | ||
5309 | if (ccb) { | |
5310 | tgt->ccb = NULL; | |
5311 | if (tgt->state == | |
5312 | TGT_STATE_MOVING_DATA_AND_STATUS) { | |
5313 | tgt->nxfers++; | |
5314 | } | |
5315 | mpt_req_untimeout(req, mpt_timeout, ccb); | |
5316 | if (ccb->ccb_h.flags & CAM_SEND_SENSE) { | |
5317 | ccb->ccb_h.status |= CAM_SENT_SENSE; | |
5318 | } | |
5319 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
5320 | "TARGET_STATUS tag %x sts %x flgs %x req " | |
5321 | "%p\n", ccb->csio.tag_id, ccb->ccb_h.status, | |
5322 | ccb->ccb_h.flags, tgt->req); | |
5323 | /* | |
5324 | * Free the Target Send Status Request | |
5325 | */ | |
5326 | KASSERT(tgt->req->ccb == ccb, | |
5327 | ("tgt->req %p:%u tgt->req->ccb %p", | |
5328 | tgt->req, tgt->req->serno, tgt->req->ccb)); | |
5329 | /* | |
5330 | * Notify CAM that we're done | |
5331 | */ | |
5332 | mpt_set_ccb_status(ccb, CAM_REQ_CMP); | |
5333 | ccb->ccb_h.status &= ~CAM_SIM_QUEUED; | |
5334 | KASSERT(ccb->ccb_h.status, | |
4c42baf4 | 5335 | ("ZERO ccb sts at %d", __LINE__)); |
2545bca0 MD |
5336 | tgt->ccb = NULL; |
5337 | } else { | |
5338 | mpt_lprt(mpt, MPT_PRT_DEBUG, | |
5339 | "TARGET_STATUS non-CAM for req %p:%u\n", | |
5340 | tgt->req, tgt->req->serno); | |
5341 | } | |
5342 | TAILQ_REMOVE(&mpt->request_pending_list, | |
5343 | tgt->req, links); | |
5344 | mpt_free_request(mpt, tgt->req); | |
5345 | tgt->req = NULL; | |
5346 | ||
5347 | /* | |
5348 | * And re-post the Command Buffer. | |
5349 | * This will reset the state. | |
5350 | */ | |
5351 | ioindex = GET_IO_INDEX(reply_desc); | |
5352 | TAILQ_REMOVE(&mpt->request_pending_list, req, links); | |
5353 | tgt->is_local = 0; | |
5354 | mpt_post_target_command(mpt, req, ioindex); | |
5355 | ||
5356 | /* | |
5357 | * And post a done for anyone who cares | |
5358 | */ | |
5359 | if (ccb) { | |
5360 | if (mpt->outofbeer) { | |
5361 | ccb->ccb_h.status |= CAM_RELEASE_SIMQ; | |
5362 | mpt->outofbeer = 0; | |
5363 | mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); | |
5364 | } | |
2545bca0 | 5365 | xpt_done(ccb); |
2545bca0 MD |
5366 | } |
5367 | break; | |
5368 | } | |
5369 | case TGT_STATE_NIL: /* XXX This Never Happens XXX */ | |
5370 | tgt->state = TGT_STATE_LOADED; | |
5371 | break; | |
5372 | default: | |
5373 | mpt_prt(mpt, "Unknown Target State 0x%x in Context " | |
5374 | "Reply Function\n", tgt->state); | |
5375 | } | |
5376 | return (TRUE); | |
5377 | } | |
5378 | ||
5379 | status = le16toh(reply_frame->IOCStatus); | |
5380 | if (status != MPI_IOCSTATUS_SUCCESS) { | |
5381 | dbg = MPT_PRT_ERROR; | |
5382 | } else { | |
5383 | dbg = MPT_PRT_DEBUG1; | |
5384 | } | |
5385 | ||
5386 | mpt_lprt(mpt, dbg, | |
5387 | "SCSI_TGT REPLY: req=%p:%u reply=%p func=%x IOCstatus 0x%x\n", | |
5388 | req, req->serno, reply_frame, reply_frame->Function, status); | |
5389 | ||
5390 | switch (reply_frame->Function) { | |
5391 | case MPI_FUNCTION_TARGET_CMD_BUFFER_POST: | |
5392 | { | |
5393 | mpt_tgt_state_t *tgt; | |
5394 | #ifdef INVARIANTS | |
5395 | mpt_req_spcl(mpt, req, "tgt reply BUFFER POST", __LINE__); | |
5396 | #endif | |
5397 | if (status != MPI_IOCSTATUS_SUCCESS) { | |
5398 | /* | |
5399 | * XXX What to do? | |
5400 | */ | |
5401 | break; | |
5402 | } | |
5403 | tgt = MPT_TGT_STATE(mpt, req); | |
5404 | KASSERT(tgt->state == TGT_STATE_LOADING, | |
4c42baf4 | 5405 | ("bad state 0x%x on reply to buffer post", tgt->state)); |
2545bca0 MD |
5406 | mpt_assign_serno(mpt, req); |
5407 | tgt->state = TGT_STATE_LOADED; | |
5408 | break; | |
5409 | } | |
5410 | case MPI_FUNCTION_TARGET_ASSIST: | |
5411 | #ifdef INVARIANTS | |
5412 | mpt_req_not_spcl(mpt, req, "tgt reply TARGET ASSIST", __LINE__); | |
5413 | #endif | |
5414 | mpt_prt(mpt, "target assist completion\n"); | |
5415 | TAILQ_REMOVE(&mpt->request_pending_list, req, links); | |
5416 | mpt_free_request(mpt, req); | |
5417 | break; | |
5418 | case MPI_FUNCTION_TARGET_STATUS_SEND: | |
5419 | #ifdef INVARIANTS | |
5420 | mpt_req_not_spcl(mpt, req, "tgt reply STATUS SEND", __LINE__); | |
5421 | #endif | |
5422 | mpt_prt(mpt, "status send completion\n"); | |
5423 | TAILQ_REMOVE(&mpt->request_pending_list, req, links); | |
5424 | mpt_free_request(mpt, req); | |
5425 | break; | |
5426 | case MPI_FUNCTION_TARGET_MODE_ABORT: | |
5427 | { | |
5428 | PTR_MSG_TARGET_MODE_ABORT_REPLY abtrp = | |
5429 | (PTR_MSG_TARGET_MODE_ABORT_REPLY) reply_frame; | |
5430 | PTR_MSG_TARGET_MODE_ABORT abtp = | |
5431 | (PTR_MSG_TARGET_MODE_ABORT) req->req_vbuf; | |
5432 | uint32_t cc = GET_IO_INDEX(le32toh(abtp->ReplyWord)); | |
5433 | #ifdef INVARIANTS | |
5434 | mpt_req_not_spcl(mpt, req, "tgt reply TMODE ABORT", __LINE__); | |
5435 | #endif | |
5436 | mpt_prt(mpt, "ABORT RX_ID 0x%x Complete; status 0x%x cnt %u\n", | |
5437 | cc, le16toh(abtrp->IOCStatus), le32toh(abtrp->AbortCount)); | |
5438 | TAILQ_REMOVE(&mpt->request_pending_list, req, links); | |
5439 | mpt_free_request(mpt, req); | |
5440 | break; | |
5441 | } | |
5442 | default: | |
5443 | mpt_prt(mpt, "Unknown Target Address Reply Function code: " | |
5444 | "0x%x\n", reply_frame->Function); | |
5445 | break; | |
5446 | } | |
5447 | return (TRUE); | |
5448 | } |