1/*-
2 * Copyright (c) 2002 Adaptec, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 2002 Adaptec, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
|
28__FBSDID("$FreeBSD: head/sys/dev/aac/aac_cam.c 166025 2007-01-15 16:22:20Z scottl $");
| 28__FBSDID("$FreeBSD: head/sys/dev/aac/aac_cam.c 168752 2007-04-15 08:49:19Z scottl $");
|
29
30/*
31 * CAM front-end for communicating with non-DASD devices
32 */
33
34#include "opt_aac.h"
35
36#include <sys/param.h>
37#include <sys/systm.h>
38#include <sys/kernel.h>
39#include <sys/sysctl.h>
40#include <sys/malloc.h>
41#include <sys/module.h>
42
43#include <cam/cam.h>
44#include <cam/cam_ccb.h>
45#include <cam/cam_debug.h>
46#include <cam/cam_sim.h>
47#include <cam/cam_xpt_sim.h>
48#include <cam/scsi/scsi_all.h>
49#include <cam/scsi/scsi_message.h>
50
51#include <sys/bus.h>
52#include <sys/conf.h>
53#include <sys/disk.h>
54
55#include <machine/md_var.h>
56#include <machine/bus.h>
57#include <sys/rman.h>
58
59#include <vm/vm.h>
60#include <vm/pmap.h>
61
62#include <dev/aac/aacreg.h>
63#include <sys/aac_ioctl.h>
64#include <dev/aac/aacvar.h>
65
66struct aac_cam {
67 device_t dev;
68 struct aac_sim *inf;
69 struct cam_sim *sim;
70 struct cam_path *path;
71};
72
73static int aac_cam_probe(device_t dev);
74static int aac_cam_attach(device_t dev);
75static int aac_cam_detach(device_t dev);
76static void aac_cam_action(struct cam_sim *, union ccb *);
77static void aac_cam_poll(struct cam_sim *);
78static void aac_cam_complete(struct aac_command *);
79static u_int32_t aac_cam_reset_bus(struct cam_sim *, union ccb *);
80static u_int32_t aac_cam_abort_ccb(struct cam_sim *, union ccb *);
81static u_int32_t aac_cam_term_io(struct cam_sim *, union ccb *);
82
83static devclass_t aac_pass_devclass;
84
85static device_method_t aac_pass_methods[] = {
86 DEVMETHOD(device_probe, aac_cam_probe),
87 DEVMETHOD(device_attach, aac_cam_attach),
88 DEVMETHOD(device_detach, aac_cam_detach),
89 { 0, 0 }
90};
91
92static driver_t aac_pass_driver = {
93 "aacp",
94 aac_pass_methods,
95 sizeof(struct aac_cam)
96};
97
98DRIVER_MODULE(aacp, aac, aac_pass_driver, aac_pass_devclass, 0, 0);
99MODULE_DEPEND(aacp, cam, 1, 1, 1);
100
101MALLOC_DEFINE(M_AACCAM, "aaccam", "AAC CAM info");
102
103static void
104aac_cam_event(struct aac_softc *sc, struct aac_event *event, void *arg)
105{
106 struct aac_cam *camsc;
107
108 switch (event->ev_type) {
109 case AAC_EVENT_CMFREE:
110 camsc = arg;
111 free(event, M_AACCAM);
112 xpt_release_simq(camsc->sim, 1);
113 break;
114 default:
115 device_printf(sc->aac_dev, "unknown event %d in aac_cam\n",
116 event->ev_type);
117 break;
118 }
119
120 return;
121}
122
123static int
124aac_cam_probe(device_t dev)
125{
126 debug_called(2);
127
128 return (0);
129}
130
131static int
132aac_cam_detach(device_t dev)
133{
134 struct aac_cam *camsc;
135 debug_called(2);
136
137 camsc = (struct aac_cam *)device_get_softc(dev);
138
139 mtx_lock(&Giant);
140
141 xpt_async(AC_LOST_DEVICE, camsc->path, NULL);
142 xpt_free_path(camsc->path);
143 xpt_bus_deregister(cam_sim_path(camsc->sim));
144 cam_sim_free(camsc->sim, /*free_devq*/TRUE);
145
146 mtx_unlock(&Giant);
147
148 return (0);
149}
150
151/*
152 * Register the driver as a CAM SIM
153 */
154static int
155aac_cam_attach(device_t dev)
156{
157 struct cam_devq *devq;
158 struct cam_sim *sim;
159 struct cam_path *path;
160 struct aac_cam *camsc;
161 struct aac_sim *inf;
162
163 debug_called(1);
164
165 camsc = (struct aac_cam *)device_get_softc(dev);
166 inf = (struct aac_sim *)device_get_ivars(dev);
167 camsc->inf = inf;
168
169 devq = cam_simq_alloc(inf->TargetsPerBus);
170 if (devq == NULL)
171 return (EIO);
172
173 sim = cam_sim_alloc(aac_cam_action, aac_cam_poll, "aacp", camsc,
| 29
30/*
31 * CAM front-end for communicating with non-DASD devices
32 */
33
34#include "opt_aac.h"
35
36#include <sys/param.h>
37#include <sys/systm.h>
38#include <sys/kernel.h>
39#include <sys/sysctl.h>
40#include <sys/malloc.h>
41#include <sys/module.h>
42
43#include <cam/cam.h>
44#include <cam/cam_ccb.h>
45#include <cam/cam_debug.h>
46#include <cam/cam_sim.h>
47#include <cam/cam_xpt_sim.h>
48#include <cam/scsi/scsi_all.h>
49#include <cam/scsi/scsi_message.h>
50
51#include <sys/bus.h>
52#include <sys/conf.h>
53#include <sys/disk.h>
54
55#include <machine/md_var.h>
56#include <machine/bus.h>
57#include <sys/rman.h>
58
59#include <vm/vm.h>
60#include <vm/pmap.h>
61
62#include <dev/aac/aacreg.h>
63#include <sys/aac_ioctl.h>
64#include <dev/aac/aacvar.h>
65
66struct aac_cam {
67 device_t dev;
68 struct aac_sim *inf;
69 struct cam_sim *sim;
70 struct cam_path *path;
71};
72
73static int aac_cam_probe(device_t dev);
74static int aac_cam_attach(device_t dev);
75static int aac_cam_detach(device_t dev);
76static void aac_cam_action(struct cam_sim *, union ccb *);
77static void aac_cam_poll(struct cam_sim *);
78static void aac_cam_complete(struct aac_command *);
79static u_int32_t aac_cam_reset_bus(struct cam_sim *, union ccb *);
80static u_int32_t aac_cam_abort_ccb(struct cam_sim *, union ccb *);
81static u_int32_t aac_cam_term_io(struct cam_sim *, union ccb *);
82
83static devclass_t aac_pass_devclass;
84
85static device_method_t aac_pass_methods[] = {
86 DEVMETHOD(device_probe, aac_cam_probe),
87 DEVMETHOD(device_attach, aac_cam_attach),
88 DEVMETHOD(device_detach, aac_cam_detach),
89 { 0, 0 }
90};
91
92static driver_t aac_pass_driver = {
93 "aacp",
94 aac_pass_methods,
95 sizeof(struct aac_cam)
96};
97
98DRIVER_MODULE(aacp, aac, aac_pass_driver, aac_pass_devclass, 0, 0);
99MODULE_DEPEND(aacp, cam, 1, 1, 1);
100
101MALLOC_DEFINE(M_AACCAM, "aaccam", "AAC CAM info");
102
103static void
104aac_cam_event(struct aac_softc *sc, struct aac_event *event, void *arg)
105{
106 struct aac_cam *camsc;
107
108 switch (event->ev_type) {
109 case AAC_EVENT_CMFREE:
110 camsc = arg;
111 free(event, M_AACCAM);
112 xpt_release_simq(camsc->sim, 1);
113 break;
114 default:
115 device_printf(sc->aac_dev, "unknown event %d in aac_cam\n",
116 event->ev_type);
117 break;
118 }
119
120 return;
121}
122
123static int
124aac_cam_probe(device_t dev)
125{
126 debug_called(2);
127
128 return (0);
129}
130
131static int
132aac_cam_detach(device_t dev)
133{
134 struct aac_cam *camsc;
135 debug_called(2);
136
137 camsc = (struct aac_cam *)device_get_softc(dev);
138
139 mtx_lock(&Giant);
140
141 xpt_async(AC_LOST_DEVICE, camsc->path, NULL);
142 xpt_free_path(camsc->path);
143 xpt_bus_deregister(cam_sim_path(camsc->sim));
144 cam_sim_free(camsc->sim, /*free_devq*/TRUE);
145
146 mtx_unlock(&Giant);
147
148 return (0);
149}
150
151/*
152 * Register the driver as a CAM SIM
153 */
154static int
155aac_cam_attach(device_t dev)
156{
157 struct cam_devq *devq;
158 struct cam_sim *sim;
159 struct cam_path *path;
160 struct aac_cam *camsc;
161 struct aac_sim *inf;
162
163 debug_called(1);
164
165 camsc = (struct aac_cam *)device_get_softc(dev);
166 inf = (struct aac_sim *)device_get_ivars(dev);
167 camsc->inf = inf;
168
169 devq = cam_simq_alloc(inf->TargetsPerBus);
170 if (devq == NULL)
171 return (EIO);
172
173 sim = cam_sim_alloc(aac_cam_action, aac_cam_poll, "aacp", camsc,
|
174 device_get_unit(dev), 1, 1, devq);
| 174 device_get_unit(dev), &Giant, 1, 1, devq);
|
175 if (sim == NULL) {
176 cam_simq_free(devq);
177 return (EIO);
178 }
179
180 /* Since every bus has it's own sim, every bus 'appears' as bus 0 */
181 if (xpt_bus_register(sim, 0) != CAM_SUCCESS) {
182 cam_sim_free(sim, TRUE);
183 return (EIO);
184 }
185
186 if (xpt_create_path(&path, NULL, cam_sim_path(sim),
187 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
188 xpt_bus_deregister(cam_sim_path(sim));
189 cam_sim_free(sim, TRUE);
190 return (EIO);
191 }
192
193 camsc->sim = sim;
194 camsc->path = path;
195
196 return (0);
197}
198
199static void
200aac_cam_action(struct cam_sim *sim, union ccb *ccb)
201{
202 struct aac_cam *camsc;
203 struct aac_softc *sc;
204 struct aac_srb32 *srb;
205 struct aac_fib *fib;
206 struct aac_command *cm;
207
208 debug_called(2);
209
210 camsc = (struct aac_cam *)cam_sim_softc(sim);
211 sc = camsc->inf->aac_sc;
212
213 /* Synchronous ops, and ops that don't require communication with the
214 * controller */
215 switch(ccb->ccb_h.func_code) {
216 case XPT_SCSI_IO:
217 case XPT_RESET_DEV:
218 /* These are handled down below */
219 break;
220 case XPT_CALC_GEOMETRY:
221 {
222 struct ccb_calc_geometry *ccg;
223 u_int32_t size_mb;
224 u_int32_t secs_per_cylinder;
225
226 ccg = &ccb->ccg;
227 size_mb = ccg->volume_size /
228 ((1024L * 1024L) / ccg->block_size);
229 if (size_mb >= (2 * 1024)) { /* 2GB */
230 ccg->heads = 255;
231 ccg->secs_per_track = 63;
232 } else if (size_mb >= (1 * 1024)) { /* 1GB */
233 ccg->heads = 128;
234 ccg->secs_per_track = 32;
235 } else {
236 ccg->heads = 64;
237 ccg->secs_per_track = 32;
238 }
239 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
240 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
241
242 ccb->ccb_h.status = CAM_REQ_CMP;
243 xpt_done(ccb);
244 return;
245 }
246 case XPT_PATH_INQ:
247 {
248 struct ccb_pathinq *cpi = &ccb->cpi;
249
250 cpi->version_num = 1;
251 cpi->hba_inquiry = PI_WIDE_16;
252 cpi->target_sprt = 0;
253
254 /* Resetting via the passthrough causes problems. */
255 cpi->hba_misc = PIM_NOBUSRESET;
256 cpi->hba_eng_cnt = 0;
257 cpi->max_target = camsc->inf->TargetsPerBus;
258 cpi->max_lun = 8; /* Per the controller spec */
259 cpi->initiator_id = camsc->inf->InitiatorBusId;
260 cpi->bus_id = camsc->inf->BusNumber;
261 cpi->base_transfer_speed = 3300;
262 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
263 strncpy(cpi->hba_vid, "Adaptec", HBA_IDLEN);
264 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
265 cpi->unit_number = cam_sim_unit(sim);
266 cpi->transport = XPORT_SPI;
267 cpi->transport_version = 2;
268 cpi->protocol = PROTO_SCSI;
269 cpi->protocol_version = SCSI_REV_2;
270 ccb->ccb_h.status = CAM_REQ_CMP;
271 xpt_done(ccb);
272 return;
273 }
274 case XPT_GET_TRAN_SETTINGS:
275 {
276 struct ccb_trans_settings_scsi *scsi =
277 &ccb->cts.proto_specific.scsi;
278 struct ccb_trans_settings_spi *spi =
279 &ccb->cts.xport_specific.spi;
280 ccb->cts.protocol = PROTO_SCSI;
281 ccb->cts.protocol_version = SCSI_REV_2;
282 ccb->cts.transport = XPORT_SPI;
283 ccb->cts.transport_version = 2;
284 if (ccb->ccb_h.target_lun != CAM_LUN_WILDCARD) {
285 scsi->valid = CTS_SCSI_VALID_TQ;
286 spi->valid |= CTS_SPI_VALID_DISC;
287 } else {
288 scsi->valid = 0;
289 }
290 ccb->ccb_h.status = CAM_REQ_CMP;
291 xpt_done(ccb);
292 return;
293 }
294 case XPT_SET_TRAN_SETTINGS:
295 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
296 xpt_done(ccb);
297 return;
298 case XPT_RESET_BUS:
299 if (!(sc->flags & AAC_FLAGS_CAM_NORESET)) {
300 ccb->ccb_h.status = aac_cam_reset_bus(sim, ccb);
301 } else {
302 ccb->ccb_h.status = CAM_REQ_CMP;
303 }
304 xpt_done(ccb);
305 return;
306 case XPT_ABORT:
307 ccb->ccb_h.status = aac_cam_abort_ccb(sim, ccb);
308 xpt_done(ccb);
309 return;
310 case XPT_TERM_IO:
311 ccb->ccb_h.status = aac_cam_term_io(sim, ccb);
312 xpt_done(ccb);
313 return;
314 default:
315 device_printf(sc->aac_dev, "Unsupported command 0x%x\n",
316 ccb->ccb_h.func_code);
317 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
318 xpt_done(ccb);
319 return;
320 }
321
322 /* Async ops that require communcation with the controller */
323
324 mtx_lock(&sc->aac_io_lock);
325 if (aac_alloc_command(sc, &cm)) {
326 struct aac_event *event;
327
328 xpt_freeze_simq(sim, 1);
329 ccb->ccb_h.status = CAM_REQUEUE_REQ;
330 xpt_done(ccb);
331 event = malloc(sizeof(struct aac_event), M_AACCAM,
332 M_NOWAIT | M_ZERO);
333 if (event == NULL) {
334 device_printf(sc->aac_dev,
335 "Warning, out of memory for event\n");
336 /* XXX Yuck, what to do here? */
337 mtx_unlock(&sc->aac_io_lock);
338 return;
339 }
340 event->ev_callback = aac_cam_event;
341 event->ev_arg = camsc;
342 event->ev_type = AAC_EVENT_CMFREE;
343 aac_add_event(sc, event);
344 mtx_unlock(&sc->aac_io_lock);
345 return;
346 }
347
348 fib = cm->cm_fib;
349 srb = (struct aac_srb32 *)&fib->data[0];
350 cm->cm_datalen = 0;
351
352 switch (ccb->ccb_h.flags & CAM_DIR_MASK) {
353 case CAM_DIR_IN:
354 srb->flags = AAC_SRB_FLAGS_DATA_IN;
355 cm->cm_flags |= AAC_CMD_DATAIN;
356 break;
357 case CAM_DIR_OUT:
358 srb->flags = AAC_SRB_FLAGS_DATA_OUT;
359 cm->cm_flags |= AAC_CMD_DATAOUT;
360 break;
361 case CAM_DIR_NONE:
362 srb->flags = AAC_SRB_FLAGS_NO_DATA_XFER;
363 break;
364 default:
365 srb->flags = AAC_SRB_FLAGS_UNSPECIFIED_DIRECTION;
366 cm->cm_flags |= AAC_CMD_DATAIN | AAC_CMD_DATAOUT;
367 break;
368 }
369
370 switch(ccb->ccb_h.func_code) {
371 case XPT_SCSI_IO:
372 {
373 struct ccb_scsiio *csio = &ccb->csio;
374
375 srb->function = AAC_SRB_FUNC_EXECUTE_SCSI;
376
377 /*
378 * Copy the CDB into the SRB. It's only 6-16 bytes,
379 * so a copy is not too expensive.
380 */
381 srb->cdb_len = csio->cdb_len;
382 if (ccb->ccb_h.flags & CAM_CDB_POINTER)
383 bcopy(csio->cdb_io.cdb_ptr, (u_int8_t *)&srb->cdb[0],
384 srb->cdb_len);
385 else
386 bcopy(csio->cdb_io.cdb_bytes, (u_int8_t *)&srb->cdb[0],
387 srb->cdb_len);
388
389 /* Map the s/g list. XXX 32bit addresses only! */
390 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
391 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
392 srb->data_len = csio->dxfer_len;
393 if (ccb->ccb_h.flags & CAM_DATA_PHYS) {
394 /*
395 * XXX This isn't 64-bit clean.
396 * However, this condition is not
397 * normally used in CAM.
398 */
399 srb->sg_map32.SgCount = 1;
400 srb->sg_map32.SgEntry[0].SgAddress =
401 (uint32_t)(uintptr_t)csio->data_ptr;
402 srb->sg_map32.SgEntry[0].SgByteCount =
403 csio->dxfer_len;
404 } else {
405 /*
406 * Arrange things so that the S/G
407 * map will get set up automagically
408 */
409 cm->cm_data = (void *)csio->data_ptr;
410 cm->cm_datalen = csio->dxfer_len;
411 cm->cm_sgtable = &srb->sg_map32;
412 }
413 } else {
414 /* XXX Need to handle multiple s/g elements */
415 panic("aac_cam: multiple s/g elements");
416 }
417 } else {
418 srb->sg_map32.SgCount = 0;
419 srb->sg_map32.SgEntry[0].SgByteCount = 0;
420 srb->data_len = 0;
421 }
422
423 break;
424 }
425 case XPT_RESET_DEV:
426 if (!(sc->flags & AAC_FLAGS_CAM_NORESET)) {
427 srb->function = AAC_SRB_FUNC_RESET_DEVICE;
428 break;
429 } else {
430 ccb->ccb_h.status = CAM_REQ_CMP;
431 xpt_done(ccb);
432 mtx_unlock(&sc->aac_io_lock);
433 return;
434 }
435 default:
436 break;
437 }
438
439 srb->bus = camsc->inf->BusNumber; /* Bus number relative to the card */
440 srb->target = ccb->ccb_h.target_id;
441 srb->lun = ccb->ccb_h.target_lun;
442 srb->timeout = ccb->ccb_h.timeout; /* XXX */
443 srb->retry_limit = 0;
444
445 cm->cm_complete = aac_cam_complete;
446 cm->cm_private = ccb;
447 cm->cm_timestamp = time_uptime;
448 cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
449
450 fib->Header.XferState =
451 AAC_FIBSTATE_HOSTOWNED |
452 AAC_FIBSTATE_INITIALISED |
453 AAC_FIBSTATE_FROMHOST |
454 AAC_FIBSTATE_REXPECTED |
455 AAC_FIBSTATE_NORM;
456 fib->Header.Command = ScsiPortCommand;
457 fib->Header.Size = sizeof(struct aac_fib_header) +
458 sizeof(struct aac_srb32);
459
460 aac_enqueue_ready(cm);
461 aac_startio(cm->cm_sc);
462
463 mtx_unlock(&sc->aac_io_lock);
464
465 return;
466}
467
468static void
469aac_cam_poll(struct cam_sim *sim)
470{
471 /*
472 * Pinging the interrupt routine isn't very safe, nor is it
473 * really necessary. Do nothing.
474 */
475}
476
477static void
478aac_cam_complete(struct aac_command *cm)
479{
480 union ccb *ccb;
481 struct aac_srb_response *srbr;
482 struct aac_softc *sc;
483
484 debug_called(2);
485
486 sc = cm->cm_sc;
487 ccb = cm->cm_private;
488 srbr = (struct aac_srb_response *)&cm->cm_fib->data[0];
489
490 if (srbr->fib_status != 0) {
491 device_printf(sc->aac_dev, "Passthru FIB failed!\n");
492 ccb->ccb_h.status = CAM_REQ_ABORTED;
493 } else {
494 /*
495 * The SRB error codes just happen to match the CAM error
496 * codes. How convienient!
497 */
498 ccb->ccb_h.status = srbr->srb_status;
499
500 /* Take care of SCSI_IO ops. */
501 if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
502 u_int8_t command, device;
503
504 ccb->csio.scsi_status = srbr->scsi_status;
505
506 /* Take care of autosense */
507 if (srbr->sense_len) {
508 int sense_len, scsi_sense_len;
509
510 scsi_sense_len = sizeof(struct scsi_sense_data);
511 bzero(&ccb->csio.sense_data, scsi_sense_len);
512 sense_len = (srbr->sense_len >
513 scsi_sense_len) ? scsi_sense_len :
514 srbr->sense_len;
515 bcopy(&srbr->sense[0], &ccb->csio.sense_data,
516 srbr->sense_len);
517 ccb->csio.sense_len = sense_len;
518 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
519 // scsi_sense_print(&ccb->csio);
520 }
521
522 /* If this is an inquiry command, fake things out */
523 if (ccb->ccb_h.flags & CAM_CDB_POINTER)
524 command = ccb->csio.cdb_io.cdb_ptr[0];
525 else
526 command = ccb->csio.cdb_io.cdb_bytes[0];
527
528 if ((command == INQUIRY) &&
529 (ccb->ccb_h.status == CAM_REQ_CMP)) {
530 device = ccb->csio.data_ptr[0] & 0x1f;
531 /*
532 * We want DASD and PROC devices to only be
533 * visible through the pass device.
534 */
535 if ((device == T_DIRECT) ||
536 (device == T_PROCESSOR) ||
537 (sc->flags & AAC_FLAGS_CAM_PASSONLY))
538 ccb->csio.data_ptr[0] =
539 ((device & 0xe0) | T_NODEVICE);
540 }
541 }
542 }
543
544 aac_release_command(cm);
545 xpt_done(ccb);
546
547 return;
548}
549
550static u_int32_t
551aac_cam_reset_bus(struct cam_sim *sim, union ccb *ccb)
552{
553 struct aac_fib *fib;
554 struct aac_softc *sc;
555 struct aac_cam *camsc;
556 struct aac_vmioctl *vmi;
557 struct aac_resetbus *rbc;
558 int e;
559
560 camsc = (struct aac_cam *)cam_sim_softc(sim);
561 sc = camsc->inf->aac_sc;
562
563 if (sc == NULL) {
564 printf("Null sc?\n");
565 return (CAM_REQ_ABORTED);
566 }
567
568 mtx_lock(&sc->aac_io_lock);
569 aac_alloc_sync_fib(sc, &fib);
570
571 vmi = (struct aac_vmioctl *)&fib->data[0];
572 bzero(vmi, sizeof(struct aac_vmioctl));
573
574 vmi->Command = VM_Ioctl;
575 vmi->ObjType = FT_DRIVE;
576 vmi->MethId = sc->scsi_method_id;
577 vmi->ObjId = 0;
578 vmi->IoctlCmd = ResetBus;
579
580 rbc = (struct aac_resetbus *)&vmi->IoctlBuf[0];
581 rbc->BusNumber = camsc->inf->BusNumber;
582
583 e = aac_sync_fib(sc, ContainerCommand, 0, fib,
584 sizeof(struct aac_vmioctl));
585 if (e) {
586 device_printf(sc->aac_dev,"Error %d sending ResetBus command\n",
587 e);
588 aac_release_sync_fib(sc);
589 mtx_unlock(&sc->aac_io_lock);
590 return (CAM_REQ_ABORTED);
591 }
592
593 aac_release_sync_fib(sc);
594 mtx_unlock(&sc->aac_io_lock);
595 return (CAM_REQ_CMP);
596}
597
598static u_int32_t
599aac_cam_abort_ccb(struct cam_sim *sim, union ccb *ccb)
600{
601 return (CAM_UA_ABORT);
602}
603
604static u_int32_t
605aac_cam_term_io(struct cam_sim *sim, union ccb *ccb)
606{
607 return (CAM_UA_TERMIO);
608}
609
| 175 if (sim == NULL) {
176 cam_simq_free(devq);
177 return (EIO);
178 }
179
180 /* Since every bus has it's own sim, every bus 'appears' as bus 0 */
181 if (xpt_bus_register(sim, 0) != CAM_SUCCESS) {
182 cam_sim_free(sim, TRUE);
183 return (EIO);
184 }
185
186 if (xpt_create_path(&path, NULL, cam_sim_path(sim),
187 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
188 xpt_bus_deregister(cam_sim_path(sim));
189 cam_sim_free(sim, TRUE);
190 return (EIO);
191 }
192
193 camsc->sim = sim;
194 camsc->path = path;
195
196 return (0);
197}
198
199static void
200aac_cam_action(struct cam_sim *sim, union ccb *ccb)
201{
202 struct aac_cam *camsc;
203 struct aac_softc *sc;
204 struct aac_srb32 *srb;
205 struct aac_fib *fib;
206 struct aac_command *cm;
207
208 debug_called(2);
209
210 camsc = (struct aac_cam *)cam_sim_softc(sim);
211 sc = camsc->inf->aac_sc;
212
213 /* Synchronous ops, and ops that don't require communication with the
214 * controller */
215 switch(ccb->ccb_h.func_code) {
216 case XPT_SCSI_IO:
217 case XPT_RESET_DEV:
218 /* These are handled down below */
219 break;
220 case XPT_CALC_GEOMETRY:
221 {
222 struct ccb_calc_geometry *ccg;
223 u_int32_t size_mb;
224 u_int32_t secs_per_cylinder;
225
226 ccg = &ccb->ccg;
227 size_mb = ccg->volume_size /
228 ((1024L * 1024L) / ccg->block_size);
229 if (size_mb >= (2 * 1024)) { /* 2GB */
230 ccg->heads = 255;
231 ccg->secs_per_track = 63;
232 } else if (size_mb >= (1 * 1024)) { /* 1GB */
233 ccg->heads = 128;
234 ccg->secs_per_track = 32;
235 } else {
236 ccg->heads = 64;
237 ccg->secs_per_track = 32;
238 }
239 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
240 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
241
242 ccb->ccb_h.status = CAM_REQ_CMP;
243 xpt_done(ccb);
244 return;
245 }
246 case XPT_PATH_INQ:
247 {
248 struct ccb_pathinq *cpi = &ccb->cpi;
249
250 cpi->version_num = 1;
251 cpi->hba_inquiry = PI_WIDE_16;
252 cpi->target_sprt = 0;
253
254 /* Resetting via the passthrough causes problems. */
255 cpi->hba_misc = PIM_NOBUSRESET;
256 cpi->hba_eng_cnt = 0;
257 cpi->max_target = camsc->inf->TargetsPerBus;
258 cpi->max_lun = 8; /* Per the controller spec */
259 cpi->initiator_id = camsc->inf->InitiatorBusId;
260 cpi->bus_id = camsc->inf->BusNumber;
261 cpi->base_transfer_speed = 3300;
262 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
263 strncpy(cpi->hba_vid, "Adaptec", HBA_IDLEN);
264 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
265 cpi->unit_number = cam_sim_unit(sim);
266 cpi->transport = XPORT_SPI;
267 cpi->transport_version = 2;
268 cpi->protocol = PROTO_SCSI;
269 cpi->protocol_version = SCSI_REV_2;
270 ccb->ccb_h.status = CAM_REQ_CMP;
271 xpt_done(ccb);
272 return;
273 }
274 case XPT_GET_TRAN_SETTINGS:
275 {
276 struct ccb_trans_settings_scsi *scsi =
277 &ccb->cts.proto_specific.scsi;
278 struct ccb_trans_settings_spi *spi =
279 &ccb->cts.xport_specific.spi;
280 ccb->cts.protocol = PROTO_SCSI;
281 ccb->cts.protocol_version = SCSI_REV_2;
282 ccb->cts.transport = XPORT_SPI;
283 ccb->cts.transport_version = 2;
284 if (ccb->ccb_h.target_lun != CAM_LUN_WILDCARD) {
285 scsi->valid = CTS_SCSI_VALID_TQ;
286 spi->valid |= CTS_SPI_VALID_DISC;
287 } else {
288 scsi->valid = 0;
289 }
290 ccb->ccb_h.status = CAM_REQ_CMP;
291 xpt_done(ccb);
292 return;
293 }
294 case XPT_SET_TRAN_SETTINGS:
295 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
296 xpt_done(ccb);
297 return;
298 case XPT_RESET_BUS:
299 if (!(sc->flags & AAC_FLAGS_CAM_NORESET)) {
300 ccb->ccb_h.status = aac_cam_reset_bus(sim, ccb);
301 } else {
302 ccb->ccb_h.status = CAM_REQ_CMP;
303 }
304 xpt_done(ccb);
305 return;
306 case XPT_ABORT:
307 ccb->ccb_h.status = aac_cam_abort_ccb(sim, ccb);
308 xpt_done(ccb);
309 return;
310 case XPT_TERM_IO:
311 ccb->ccb_h.status = aac_cam_term_io(sim, ccb);
312 xpt_done(ccb);
313 return;
314 default:
315 device_printf(sc->aac_dev, "Unsupported command 0x%x\n",
316 ccb->ccb_h.func_code);
317 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
318 xpt_done(ccb);
319 return;
320 }
321
322 /* Async ops that require communcation with the controller */
323
324 mtx_lock(&sc->aac_io_lock);
325 if (aac_alloc_command(sc, &cm)) {
326 struct aac_event *event;
327
328 xpt_freeze_simq(sim, 1);
329 ccb->ccb_h.status = CAM_REQUEUE_REQ;
330 xpt_done(ccb);
331 event = malloc(sizeof(struct aac_event), M_AACCAM,
332 M_NOWAIT | M_ZERO);
333 if (event == NULL) {
334 device_printf(sc->aac_dev,
335 "Warning, out of memory for event\n");
336 /* XXX Yuck, what to do here? */
337 mtx_unlock(&sc->aac_io_lock);
338 return;
339 }
340 event->ev_callback = aac_cam_event;
341 event->ev_arg = camsc;
342 event->ev_type = AAC_EVENT_CMFREE;
343 aac_add_event(sc, event);
344 mtx_unlock(&sc->aac_io_lock);
345 return;
346 }
347
348 fib = cm->cm_fib;
349 srb = (struct aac_srb32 *)&fib->data[0];
350 cm->cm_datalen = 0;
351
352 switch (ccb->ccb_h.flags & CAM_DIR_MASK) {
353 case CAM_DIR_IN:
354 srb->flags = AAC_SRB_FLAGS_DATA_IN;
355 cm->cm_flags |= AAC_CMD_DATAIN;
356 break;
357 case CAM_DIR_OUT:
358 srb->flags = AAC_SRB_FLAGS_DATA_OUT;
359 cm->cm_flags |= AAC_CMD_DATAOUT;
360 break;
361 case CAM_DIR_NONE:
362 srb->flags = AAC_SRB_FLAGS_NO_DATA_XFER;
363 break;
364 default:
365 srb->flags = AAC_SRB_FLAGS_UNSPECIFIED_DIRECTION;
366 cm->cm_flags |= AAC_CMD_DATAIN | AAC_CMD_DATAOUT;
367 break;
368 }
369
370 switch(ccb->ccb_h.func_code) {
371 case XPT_SCSI_IO:
372 {
373 struct ccb_scsiio *csio = &ccb->csio;
374
375 srb->function = AAC_SRB_FUNC_EXECUTE_SCSI;
376
377 /*
378 * Copy the CDB into the SRB. It's only 6-16 bytes,
379 * so a copy is not too expensive.
380 */
381 srb->cdb_len = csio->cdb_len;
382 if (ccb->ccb_h.flags & CAM_CDB_POINTER)
383 bcopy(csio->cdb_io.cdb_ptr, (u_int8_t *)&srb->cdb[0],
384 srb->cdb_len);
385 else
386 bcopy(csio->cdb_io.cdb_bytes, (u_int8_t *)&srb->cdb[0],
387 srb->cdb_len);
388
389 /* Map the s/g list. XXX 32bit addresses only! */
390 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
391 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
392 srb->data_len = csio->dxfer_len;
393 if (ccb->ccb_h.flags & CAM_DATA_PHYS) {
394 /*
395 * XXX This isn't 64-bit clean.
396 * However, this condition is not
397 * normally used in CAM.
398 */
399 srb->sg_map32.SgCount = 1;
400 srb->sg_map32.SgEntry[0].SgAddress =
401 (uint32_t)(uintptr_t)csio->data_ptr;
402 srb->sg_map32.SgEntry[0].SgByteCount =
403 csio->dxfer_len;
404 } else {
405 /*
406 * Arrange things so that the S/G
407 * map will get set up automagically
408 */
409 cm->cm_data = (void *)csio->data_ptr;
410 cm->cm_datalen = csio->dxfer_len;
411 cm->cm_sgtable = &srb->sg_map32;
412 }
413 } else {
414 /* XXX Need to handle multiple s/g elements */
415 panic("aac_cam: multiple s/g elements");
416 }
417 } else {
418 srb->sg_map32.SgCount = 0;
419 srb->sg_map32.SgEntry[0].SgByteCount = 0;
420 srb->data_len = 0;
421 }
422
423 break;
424 }
425 case XPT_RESET_DEV:
426 if (!(sc->flags & AAC_FLAGS_CAM_NORESET)) {
427 srb->function = AAC_SRB_FUNC_RESET_DEVICE;
428 break;
429 } else {
430 ccb->ccb_h.status = CAM_REQ_CMP;
431 xpt_done(ccb);
432 mtx_unlock(&sc->aac_io_lock);
433 return;
434 }
435 default:
436 break;
437 }
438
439 srb->bus = camsc->inf->BusNumber; /* Bus number relative to the card */
440 srb->target = ccb->ccb_h.target_id;
441 srb->lun = ccb->ccb_h.target_lun;
442 srb->timeout = ccb->ccb_h.timeout; /* XXX */
443 srb->retry_limit = 0;
444
445 cm->cm_complete = aac_cam_complete;
446 cm->cm_private = ccb;
447 cm->cm_timestamp = time_uptime;
448 cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
449
450 fib->Header.XferState =
451 AAC_FIBSTATE_HOSTOWNED |
452 AAC_FIBSTATE_INITIALISED |
453 AAC_FIBSTATE_FROMHOST |
454 AAC_FIBSTATE_REXPECTED |
455 AAC_FIBSTATE_NORM;
456 fib->Header.Command = ScsiPortCommand;
457 fib->Header.Size = sizeof(struct aac_fib_header) +
458 sizeof(struct aac_srb32);
459
460 aac_enqueue_ready(cm);
461 aac_startio(cm->cm_sc);
462
463 mtx_unlock(&sc->aac_io_lock);
464
465 return;
466}
467
468static void
469aac_cam_poll(struct cam_sim *sim)
470{
471 /*
472 * Pinging the interrupt routine isn't very safe, nor is it
473 * really necessary. Do nothing.
474 */
475}
476
477static void
478aac_cam_complete(struct aac_command *cm)
479{
480 union ccb *ccb;
481 struct aac_srb_response *srbr;
482 struct aac_softc *sc;
483
484 debug_called(2);
485
486 sc = cm->cm_sc;
487 ccb = cm->cm_private;
488 srbr = (struct aac_srb_response *)&cm->cm_fib->data[0];
489
490 if (srbr->fib_status != 0) {
491 device_printf(sc->aac_dev, "Passthru FIB failed!\n");
492 ccb->ccb_h.status = CAM_REQ_ABORTED;
493 } else {
494 /*
495 * The SRB error codes just happen to match the CAM error
496 * codes. How convienient!
497 */
498 ccb->ccb_h.status = srbr->srb_status;
499
500 /* Take care of SCSI_IO ops. */
501 if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
502 u_int8_t command, device;
503
504 ccb->csio.scsi_status = srbr->scsi_status;
505
506 /* Take care of autosense */
507 if (srbr->sense_len) {
508 int sense_len, scsi_sense_len;
509
510 scsi_sense_len = sizeof(struct scsi_sense_data);
511 bzero(&ccb->csio.sense_data, scsi_sense_len);
512 sense_len = (srbr->sense_len >
513 scsi_sense_len) ? scsi_sense_len :
514 srbr->sense_len;
515 bcopy(&srbr->sense[0], &ccb->csio.sense_data,
516 srbr->sense_len);
517 ccb->csio.sense_len = sense_len;
518 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
519 // scsi_sense_print(&ccb->csio);
520 }
521
522 /* If this is an inquiry command, fake things out */
523 if (ccb->ccb_h.flags & CAM_CDB_POINTER)
524 command = ccb->csio.cdb_io.cdb_ptr[0];
525 else
526 command = ccb->csio.cdb_io.cdb_bytes[0];
527
528 if ((command == INQUIRY) &&
529 (ccb->ccb_h.status == CAM_REQ_CMP)) {
530 device = ccb->csio.data_ptr[0] & 0x1f;
531 /*
532 * We want DASD and PROC devices to only be
533 * visible through the pass device.
534 */
535 if ((device == T_DIRECT) ||
536 (device == T_PROCESSOR) ||
537 (sc->flags & AAC_FLAGS_CAM_PASSONLY))
538 ccb->csio.data_ptr[0] =
539 ((device & 0xe0) | T_NODEVICE);
540 }
541 }
542 }
543
544 aac_release_command(cm);
545 xpt_done(ccb);
546
547 return;
548}
549
550static u_int32_t
551aac_cam_reset_bus(struct cam_sim *sim, union ccb *ccb)
552{
553 struct aac_fib *fib;
554 struct aac_softc *sc;
555 struct aac_cam *camsc;
556 struct aac_vmioctl *vmi;
557 struct aac_resetbus *rbc;
558 int e;
559
560 camsc = (struct aac_cam *)cam_sim_softc(sim);
561 sc = camsc->inf->aac_sc;
562
563 if (sc == NULL) {
564 printf("Null sc?\n");
565 return (CAM_REQ_ABORTED);
566 }
567
568 mtx_lock(&sc->aac_io_lock);
569 aac_alloc_sync_fib(sc, &fib);
570
571 vmi = (struct aac_vmioctl *)&fib->data[0];
572 bzero(vmi, sizeof(struct aac_vmioctl));
573
574 vmi->Command = VM_Ioctl;
575 vmi->ObjType = FT_DRIVE;
576 vmi->MethId = sc->scsi_method_id;
577 vmi->ObjId = 0;
578 vmi->IoctlCmd = ResetBus;
579
580 rbc = (struct aac_resetbus *)&vmi->IoctlBuf[0];
581 rbc->BusNumber = camsc->inf->BusNumber;
582
583 e = aac_sync_fib(sc, ContainerCommand, 0, fib,
584 sizeof(struct aac_vmioctl));
585 if (e) {
586 device_printf(sc->aac_dev,"Error %d sending ResetBus command\n",
587 e);
588 aac_release_sync_fib(sc);
589 mtx_unlock(&sc->aac_io_lock);
590 return (CAM_REQ_ABORTED);
591 }
592
593 aac_release_sync_fib(sc);
594 mtx_unlock(&sc->aac_io_lock);
595 return (CAM_REQ_CMP);
596}
597
598static u_int32_t
599aac_cam_abort_ccb(struct cam_sim *sim, union ccb *ccb)
600{
601 return (CAM_UA_ABORT);
602}
603
604static u_int32_t
605aac_cam_term_io(struct cam_sim *sim, union ccb *ccb)
606{
607 return (CAM_UA_TERMIO);
608}
609
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