1 | /* $NetBSD: ciss.c,v 1.36 2016/07/14 04:00:45 msaitoh Exp $ */ |
2 | /* $OpenBSD: ciss.c,v 1.68 2013/05/30 16:15:02 deraadt Exp $ */ |
3 | |
4 | /* |
5 | * Copyright (c) 2005,2006 Michael Shalayeff |
6 | * All rights reserved. |
7 | * |
8 | * Permission to use, copy, modify, and distribute this software for any |
9 | * purpose with or without fee is hereby granted, provided that the above |
10 | * copyright notice and this permission notice appear in all copies. |
11 | * |
12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
13 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
14 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
15 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
16 | * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN |
17 | * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
18 | * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
19 | */ |
20 | |
21 | #include <sys/cdefs.h> |
22 | __KERNEL_RCSID(0, "$NetBSD: ciss.c,v 1.36 2016/07/14 04:00:45 msaitoh Exp $" ); |
23 | |
24 | #include "bio.h" |
25 | |
26 | /* #define CISS_DEBUG */ |
27 | |
28 | #include <sys/param.h> |
29 | #include <sys/systm.h> |
30 | #include <sys/buf.h> |
31 | #include <sys/ioctl.h> |
32 | #include <sys/device.h> |
33 | #include <sys/kernel.h> |
34 | #include <sys/malloc.h> |
35 | #include <sys/proc.h> |
36 | |
37 | #include <sys/bus.h> |
38 | |
39 | #include <dev/scsipi/scsi_all.h> |
40 | #include <dev/scsipi/scsi_disk.h> |
41 | #include <dev/scsipi/scsiconf.h> |
42 | #include <dev/scsipi/scsipi_all.h> |
43 | |
44 | #include <dev/ic/cissreg.h> |
45 | #include <dev/ic/cissvar.h> |
46 | |
47 | #if NBIO > 0 |
48 | #include <dev/biovar.h> |
49 | #endif /* NBIO > 0 */ |
50 | |
51 | #ifdef CISS_DEBUG |
52 | #define CISS_DPRINTF(m,a) if (ciss_debug & (m)) printf a |
53 | #define CISS_D_CMD 0x0001 |
54 | #define CISS_D_INTR 0x0002 |
55 | #define CISS_D_MISC 0x0004 |
56 | #define CISS_D_DMA 0x0008 |
57 | #define CISS_D_IOCTL 0x0010 |
58 | #define CISS_D_ERR 0x0020 |
59 | int ciss_debug = 0 |
60 | | CISS_D_CMD |
61 | | CISS_D_INTR |
62 | | CISS_D_MISC |
63 | | CISS_D_DMA |
64 | | CISS_D_IOCTL |
65 | | CISS_D_ERR |
66 | ; |
67 | #else |
68 | #define CISS_DPRINTF(m,a) /* m, a */ |
69 | #endif |
70 | |
71 | static void ciss_scsi_cmd(struct scsipi_channel *chan, |
72 | scsipi_adapter_req_t req, void *arg); |
73 | static int ciss_scsi_ioctl(struct scsipi_channel *chan, u_long cmd, |
74 | void *addr, int flag, struct proc *p); |
75 | static void cissminphys(struct buf *bp); |
76 | |
77 | #if 0 |
78 | static void ciss_scsi_raw_cmd(struct scsipi_channel *chan, |
79 | scsipi_adapter_req_t req, void *arg); |
80 | #endif |
81 | |
82 | static int ciss_sync(struct ciss_softc *sc); |
83 | static void ciss_heartbeat(void *v); |
84 | static void ciss_shutdown(void *v); |
85 | |
86 | static struct ciss_ccb *ciss_get_ccb(struct ciss_softc *sc); |
87 | static void ciss_put_ccb(struct ciss_ccb *ccb); |
88 | static int ciss_cmd(struct ciss_ccb *ccb, int flags, int wait); |
89 | static int ciss_done(struct ciss_ccb *ccb); |
90 | static int ciss_error(struct ciss_ccb *ccb); |
91 | struct ciss_ld *ciss_pdscan(struct ciss_softc *sc, int ld); |
92 | static int ciss_inq(struct ciss_softc *sc, struct ciss_inquiry *inq); |
93 | int ciss_ldid(struct ciss_softc *, int, struct ciss_ldid *); |
94 | int ciss_ldstat(struct ciss_softc *, int, struct ciss_ldstat *); |
95 | static int ciss_ldmap(struct ciss_softc *sc); |
96 | int ciss_pdid(struct ciss_softc *, u_int8_t, struct ciss_pdid *, int); |
97 | |
98 | #if NBIO > 0 |
99 | int ciss_ioctl(device_t, u_long, void *); |
100 | int ciss_ioctl_vol(struct ciss_softc *, struct bioc_vol *); |
101 | int ciss_blink(struct ciss_softc *, int, int, int, struct ciss_blink *); |
102 | int ciss_create_sensors(struct ciss_softc *); |
103 | void ciss_sensor_refresh(struct sysmon_envsys *, envsys_data_t *); |
104 | #endif /* NBIO > 0 */ |
105 | |
106 | static struct ciss_ccb * |
107 | ciss_get_ccb(struct ciss_softc *sc) |
108 | { |
109 | struct ciss_ccb *ccb; |
110 | |
111 | mutex_enter(&sc->sc_mutex); |
112 | if ((ccb = TAILQ_LAST(&sc->sc_free_ccb, ciss_queue_head))) { |
113 | TAILQ_REMOVE(&sc->sc_free_ccb, ccb, ccb_link); |
114 | ccb->ccb_state = CISS_CCB_READY; |
115 | } |
116 | mutex_exit(&sc->sc_mutex); |
117 | return ccb; |
118 | } |
119 | |
120 | static void |
121 | ciss_put_ccb(struct ciss_ccb *ccb) |
122 | { |
123 | struct ciss_softc *sc = ccb->ccb_sc; |
124 | |
125 | ccb->ccb_state = CISS_CCB_FREE; |
126 | mutex_enter(&sc->sc_mutex); |
127 | TAILQ_INSERT_TAIL(&sc->sc_free_ccb, ccb, ccb_link); |
128 | mutex_exit(&sc->sc_mutex); |
129 | } |
130 | |
131 | int |
132 | ciss_attach(struct ciss_softc *sc) |
133 | { |
134 | struct ciss_ccb *ccb; |
135 | struct ciss_cmd *cmd; |
136 | struct ciss_inquiry *inq; |
137 | bus_dma_segment_t seg[1]; |
138 | int error, i, total, rseg, maxfer; |
139 | paddr_t pa; |
140 | |
141 | bus_space_read_region_4(sc->sc_iot, sc->cfg_ioh, sc->cfgoff, |
142 | (u_int32_t *)&sc->cfg, sizeof(sc->cfg) / 4); |
143 | |
144 | if (sc->cfg.signature != CISS_SIGNATURE) { |
145 | aprint_error(": bad sign 0x%08x\n" , sc->cfg.signature); |
146 | return -1; |
147 | } |
148 | |
149 | if (!(sc->cfg.methods & CISS_METH_SIMPL)) { |
150 | aprint_error(": not simple 0x%08x\n" , sc->cfg.methods); |
151 | return -1; |
152 | } |
153 | |
154 | sc->cfg.rmethod = CISS_METH_SIMPL; |
155 | sc->cfg.paddr_lim = 0; /* 32bit addrs */ |
156 | sc->cfg.int_delay = 0; /* disable coalescing */ |
157 | sc->cfg.int_count = 0; |
158 | strlcpy(sc->cfg.hostname, "HUMPPA" , sizeof(sc->cfg.hostname)); |
159 | sc->cfg.driverf |= CISS_DRV_PRF; /* enable prefetch */ |
160 | if (!sc->cfg.maxsg) |
161 | sc->cfg.maxsg = MAXPHYS / PAGE_SIZE + 1; |
162 | |
163 | bus_space_write_region_4(sc->sc_iot, sc->cfg_ioh, sc->cfgoff, |
164 | (u_int32_t *)&sc->cfg, sizeof(sc->cfg) / 4); |
165 | bus_space_barrier(sc->sc_iot, sc->cfg_ioh, sc->cfgoff, sizeof(sc->cfg), |
166 | BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE); |
167 | |
168 | bus_space_write_4(sc->sc_iot, sc->sc_ioh, CISS_IDB, CISS_IDB_CFG); |
169 | bus_space_barrier(sc->sc_iot, sc->sc_ioh, CISS_IDB, 4, |
170 | BUS_SPACE_BARRIER_WRITE); |
171 | for (i = 1000; i--; DELAY(1000)) { |
172 | /* XXX maybe IDB is really 64bit? - hp dl380 needs this */ |
173 | (void)bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_IDB + 4); |
174 | if (!(bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_IDB) & CISS_IDB_CFG)) |
175 | break; |
176 | bus_space_barrier(sc->sc_iot, sc->sc_ioh, CISS_IDB, 4, |
177 | BUS_SPACE_BARRIER_READ); |
178 | } |
179 | |
180 | if (bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_IDB) & CISS_IDB_CFG) { |
181 | printf(": cannot set config\n" ); |
182 | return -1; |
183 | } |
184 | |
185 | bus_space_read_region_4(sc->sc_iot, sc->cfg_ioh, sc->cfgoff, |
186 | (u_int32_t *)&sc->cfg, sizeof(sc->cfg) / 4); |
187 | |
188 | if (!(sc->cfg.amethod & CISS_METH_SIMPL)) { |
189 | printf(": cannot simplify 0x%08x\n" , sc->cfg.amethod); |
190 | return -1; |
191 | } |
192 | |
193 | /* i'm ready for you and i hope you're ready for me */ |
194 | for (i = 30000; i--; DELAY(1000)) { |
195 | if (bus_space_read_4(sc->sc_iot, sc->cfg_ioh, sc->cfgoff + |
196 | offsetof(struct ciss_config, amethod)) & CISS_METH_READY) |
197 | break; |
198 | bus_space_barrier(sc->sc_iot, sc->cfg_ioh, sc->cfgoff + |
199 | offsetof(struct ciss_config, amethod), 4, |
200 | BUS_SPACE_BARRIER_READ); |
201 | } |
202 | |
203 | if (!(bus_space_read_4(sc->sc_iot, sc->cfg_ioh, sc->cfgoff + |
204 | offsetof(struct ciss_config, amethod)) & CISS_METH_READY)) { |
205 | aprint_error(": she never came ready for me 0x%08x\n" , |
206 | sc->cfg.amethod); |
207 | return -1; |
208 | } |
209 | |
210 | mutex_init(&sc->sc_mutex, MUTEX_DEFAULT, IPL_VM); |
211 | mutex_init(&sc->sc_mutex_scratch, MUTEX_DEFAULT, IPL_VM); |
212 | cv_init(&sc->sc_condvar, "ciss_cmd" ); |
213 | sc->maxcmd = sc->cfg.maxcmd; |
214 | sc->maxsg = sc->cfg.maxsg; |
215 | if (sc->maxsg > MAXPHYS / PAGE_SIZE + 1) |
216 | sc->maxsg = MAXPHYS / PAGE_SIZE + 1; |
217 | i = sizeof(struct ciss_ccb) + |
218 | sizeof(ccb->ccb_cmd.sgl[0]) * (sc->maxsg - 1); |
219 | for (sc->ccblen = 0x10; sc->ccblen < i; sc->ccblen <<= 1); |
220 | |
221 | total = sc->ccblen * sc->maxcmd; |
222 | if ((error = bus_dmamem_alloc(sc->sc_dmat, total, PAGE_SIZE, 0, |
223 | sc->cmdseg, 1, &rseg, BUS_DMA_NOWAIT))) { |
224 | aprint_error(": cannot allocate CCBs (%d)\n" , error); |
225 | return -1; |
226 | } |
227 | |
228 | if ((error = bus_dmamem_map(sc->sc_dmat, sc->cmdseg, rseg, total, |
229 | (void **)&sc->ccbs, BUS_DMA_NOWAIT))) { |
230 | aprint_error(": cannot map CCBs (%d)\n" , error); |
231 | return -1; |
232 | } |
233 | memset(sc->ccbs, 0, total); |
234 | |
235 | if ((error = bus_dmamap_create(sc->sc_dmat, total, 1, |
236 | total, 0, BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &sc->cmdmap))) { |
237 | aprint_error(": cannot create CCBs dmamap (%d)\n" , error); |
238 | bus_dmamem_free(sc->sc_dmat, sc->cmdseg, 1); |
239 | return -1; |
240 | } |
241 | |
242 | if ((error = bus_dmamap_load(sc->sc_dmat, sc->cmdmap, sc->ccbs, total, |
243 | NULL, BUS_DMA_NOWAIT))) { |
244 | aprint_error(": cannot load CCBs dmamap (%d)\n" , error); |
245 | bus_dmamem_free(sc->sc_dmat, sc->cmdseg, 1); |
246 | bus_dmamap_destroy(sc->sc_dmat, sc->cmdmap); |
247 | return -1; |
248 | } |
249 | |
250 | TAILQ_INIT(&sc->sc_ccbq); |
251 | TAILQ_INIT(&sc->sc_ccbdone); |
252 | TAILQ_INIT(&sc->sc_free_ccb); |
253 | |
254 | maxfer = sc->maxsg * PAGE_SIZE; |
255 | for (i = 0; total > 0 && i < sc->maxcmd; i++, total -= sc->ccblen) { |
256 | ccb = (struct ciss_ccb *) ((char *)sc->ccbs + i * sc->ccblen); |
257 | cmd = &ccb->ccb_cmd; |
258 | pa = sc->cmdseg[0].ds_addr + i * sc->ccblen; |
259 | |
260 | ccb->ccb_sc = sc; |
261 | ccb->ccb_cmdpa = pa + offsetof(struct ciss_ccb, ccb_cmd); |
262 | ccb->ccb_state = CISS_CCB_FREE; |
263 | |
264 | cmd->id = htole32(i << 2); |
265 | cmd->id_hi = htole32(0); |
266 | cmd->sgin = sc->maxsg; |
267 | cmd->sglen = htole16((u_int16_t)cmd->sgin); |
268 | cmd->err_len = htole32(sizeof(ccb->ccb_err)); |
269 | pa += offsetof(struct ciss_ccb, ccb_err); |
270 | cmd->err_pa = htole64((u_int64_t)pa); |
271 | |
272 | if ((error = bus_dmamap_create(sc->sc_dmat, maxfer, sc->maxsg, |
273 | maxfer, 0, BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, |
274 | &ccb->ccb_dmamap))) |
275 | break; |
276 | |
277 | TAILQ_INSERT_TAIL(&sc->sc_free_ccb, ccb, ccb_link); |
278 | } |
279 | |
280 | if (i < sc->maxcmd) { |
281 | aprint_error(": cannot create ccb#%d dmamap (%d)\n" , i, error); |
282 | if (i == 0) { |
283 | /* TODO leaking cmd's dmamaps and shitz */ |
284 | bus_dmamem_free(sc->sc_dmat, sc->cmdseg, 1); |
285 | bus_dmamap_destroy(sc->sc_dmat, sc->cmdmap); |
286 | return -1; |
287 | } |
288 | } |
289 | |
290 | if ((error = bus_dmamem_alloc(sc->sc_dmat, PAGE_SIZE, PAGE_SIZE, 0, |
291 | seg, 1, &rseg, BUS_DMA_NOWAIT))) { |
292 | aprint_error(": cannot allocate scratch buffer (%d)\n" , error); |
293 | return -1; |
294 | } |
295 | |
296 | if ((error = bus_dmamem_map(sc->sc_dmat, seg, rseg, PAGE_SIZE, |
297 | (void **)&sc->scratch, BUS_DMA_NOWAIT))) { |
298 | aprint_error(": cannot map scratch buffer (%d)\n" , error); |
299 | return -1; |
300 | } |
301 | memset(sc->scratch, 0, PAGE_SIZE); |
302 | sc->sc_waitflag = XS_CTL_NOSLEEP; /* can't sleep yet */ |
303 | |
304 | mutex_enter(&sc->sc_mutex_scratch); /* is this really needed? */ |
305 | inq = sc->scratch; |
306 | if (ciss_inq(sc, inq)) { |
307 | aprint_error(": adapter inquiry failed\n" ); |
308 | mutex_exit(&sc->sc_mutex_scratch); |
309 | bus_dmamem_free(sc->sc_dmat, sc->cmdseg, 1); |
310 | bus_dmamap_destroy(sc->sc_dmat, sc->cmdmap); |
311 | return -1; |
312 | } |
313 | |
314 | if (!(inq->flags & CISS_INQ_BIGMAP)) { |
315 | aprint_error(": big map is not supported, flags=0x%x\n" , |
316 | inq->flags); |
317 | mutex_exit(&sc->sc_mutex_scratch); |
318 | bus_dmamem_free(sc->sc_dmat, sc->cmdseg, 1); |
319 | bus_dmamap_destroy(sc->sc_dmat, sc->cmdmap); |
320 | return -1; |
321 | } |
322 | |
323 | sc->maxunits = inq->numld; |
324 | sc->nbus = inq->nscsi_bus; |
325 | sc->ndrives = inq->buswidth ? inq->buswidth : 256; |
326 | aprint_normal(": %d LD%s, HW rev %d, FW %4.4s/%4.4s" , |
327 | inq->numld, inq->numld == 1? "" : "s" , |
328 | inq->hw_rev, inq->fw_running, inq->fw_stored); |
329 | |
330 | if (sc->cfg.methods & CISS_METH_FIFO64) |
331 | aprint_normal(", 64bit fifo" ); |
332 | else if (sc->cfg.methods & CISS_METH_FIFO64_RRO) |
333 | aprint_normal(", 64bit fifo rro" ); |
334 | aprint_normal("\n" ); |
335 | |
336 | mutex_exit(&sc->sc_mutex_scratch); |
337 | |
338 | callout_init(&sc->sc_hb, 0); |
339 | callout_setfunc(&sc->sc_hb, ciss_heartbeat, sc); |
340 | callout_schedule(&sc->sc_hb, hz * 3); |
341 | |
342 | /* map LDs */ |
343 | if (ciss_ldmap(sc)) { |
344 | aprint_error_dev(sc->sc_dev, "adapter LD map failed\n" ); |
345 | bus_dmamem_free(sc->sc_dmat, sc->cmdseg, 1); |
346 | bus_dmamap_destroy(sc->sc_dmat, sc->cmdmap); |
347 | return -1; |
348 | } |
349 | |
350 | if (!(sc->sc_lds = malloc(sc->maxunits * sizeof(*sc->sc_lds), |
351 | M_DEVBUF, M_NOWAIT))) { |
352 | bus_dmamem_free(sc->sc_dmat, sc->cmdseg, 1); |
353 | bus_dmamap_destroy(sc->sc_dmat, sc->cmdmap); |
354 | return -1; |
355 | } |
356 | memset(sc->sc_lds, 0, sc->maxunits * sizeof(*sc->sc_lds)); |
357 | |
358 | sc->sc_flush = CISS_FLUSH_ENABLE; |
359 | if (!(sc->sc_sh = shutdownhook_establish(ciss_shutdown, sc))) { |
360 | aprint_error_dev(sc->sc_dev, |
361 | "unable to establish shutdown hook\n" ); |
362 | bus_dmamem_free(sc->sc_dmat, sc->cmdseg, 1); |
363 | bus_dmamap_destroy(sc->sc_dmat, sc->cmdmap); |
364 | return -1; |
365 | } |
366 | |
367 | sc->sc_channel.chan_adapter = &sc->sc_adapter; |
368 | sc->sc_channel.chan_bustype = &scsi_bustype; |
369 | sc->sc_channel.chan_channel = 0; |
370 | sc->sc_channel.chan_ntargets = sc->maxunits; |
371 | sc->sc_channel.chan_nluns = 1; /* ciss doesn't really have SCSI luns */ |
372 | sc->sc_channel.chan_openings = sc->maxcmd; |
373 | #if NBIO > 0 |
374 | /* XXX Reserve some ccb's for sensor and bioctl. */ |
375 | if (sc->sc_channel.chan_openings > 2) |
376 | sc->sc_channel.chan_openings -= 2; |
377 | #endif |
378 | sc->sc_channel.chan_flags = 0; |
379 | sc->sc_channel.chan_id = sc->maxunits; |
380 | |
381 | sc->sc_adapter.adapt_dev = sc->sc_dev; |
382 | sc->sc_adapter.adapt_openings = sc->sc_channel.chan_openings; |
383 | sc->sc_adapter.adapt_max_periph = min(sc->sc_adapter.adapt_openings, 256); |
384 | sc->sc_adapter.adapt_request = ciss_scsi_cmd; |
385 | sc->sc_adapter.adapt_minphys = cissminphys; |
386 | sc->sc_adapter.adapt_ioctl = ciss_scsi_ioctl; |
387 | sc->sc_adapter.adapt_nchannels = 1; |
388 | config_found(sc->sc_dev, &sc->sc_channel, scsiprint); |
389 | |
390 | #if 0 |
391 | sc->sc_link_raw.adapter_softc = sc; |
392 | sc->sc_link.openings = sc->sc_channel.chan_openings; |
393 | sc->sc_link_raw.adapter = &ciss_raw_switch; |
394 | sc->sc_link_raw.adapter_target = sc->ndrives; |
395 | sc->sc_link_raw.adapter_buswidth = sc->ndrives; |
396 | config_found(sc->sc_dev, &sc->sc_channel, scsiprint); |
397 | #endif |
398 | |
399 | #if NBIO > 0 |
400 | /* now map all the physdevs into their lds */ |
401 | /* XXX currently we assign all of them into ld0 */ |
402 | for (i = 0; i < sc->maxunits && i < 1; i++) |
403 | if (!(sc->sc_lds[i] = ciss_pdscan(sc, i))) { |
404 | sc->sc_waitflag = 0; /* we can sleep now */ |
405 | return 0; |
406 | } |
407 | |
408 | if (bio_register(sc->sc_dev, ciss_ioctl) != 0) |
409 | aprint_error_dev(sc->sc_dev, "controller registration failed" ); |
410 | else |
411 | sc->sc_ioctl = ciss_ioctl; |
412 | if (ciss_create_sensors(sc) != 0) |
413 | aprint_error_dev(sc->sc_dev, "unable to create sensors" ); |
414 | #endif |
415 | sc->sc_waitflag = 0; /* we can sleep now */ |
416 | |
417 | return 0; |
418 | } |
419 | |
420 | static void |
421 | ciss_shutdown(void *v) |
422 | { |
423 | struct ciss_softc *sc = v; |
424 | |
425 | sc->sc_flush = CISS_FLUSH_DISABLE; |
426 | /* timeout_del(&sc->sc_hb); */ |
427 | ciss_sync(sc); |
428 | } |
429 | |
430 | static void |
431 | cissminphys(struct buf *bp) |
432 | { |
433 | #if 0 /* TODO */ |
434 | #define CISS_MAXFER (PAGE_SIZE * (sc->maxsg + 1)) |
435 | if (bp->b_bcount > CISS_MAXFER) |
436 | bp->b_bcount = CISS_MAXFER; |
437 | #endif |
438 | minphys(bp); |
439 | } |
440 | |
441 | static struct ciss_ccb * |
442 | ciss_poll1(struct ciss_softc *sc) |
443 | { |
444 | struct ciss_ccb *ccb; |
445 | uint32_t id; |
446 | |
447 | if (!(bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_ISR) & sc->iem)) { |
448 | CISS_DPRINTF(CISS_D_CMD, ("N" )); |
449 | return NULL; |
450 | } |
451 | |
452 | if (sc->cfg.methods & CISS_METH_FIFO64) { |
453 | if (bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_OUTQ64_HI) == |
454 | 0xffffffff) { |
455 | CISS_DPRINTF(CISS_D_CMD, ("Q" )); |
456 | return NULL; |
457 | } |
458 | id = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_OUTQ64_LO); |
459 | } else if (sc->cfg.methods & CISS_METH_FIFO64_RRO) { |
460 | id = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_OUTQ64_LO); |
461 | if (id == 0xffffffff) { |
462 | CISS_DPRINTF(CISS_D_CMD, ("Q" )); |
463 | return NULL; |
464 | } |
465 | (void)bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_OUTQ64_HI); |
466 | } else { |
467 | id = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_OUTQ); |
468 | if (id == 0xffffffff) { |
469 | CISS_DPRINTF(CISS_D_CMD, ("Q" )); |
470 | return NULL; |
471 | } |
472 | } |
473 | |
474 | CISS_DPRINTF(CISS_D_CMD, ("got=0x%x " , id)); |
475 | ccb = (struct ciss_ccb *) ((char *)sc->ccbs + (id >> 2) * sc->ccblen); |
476 | ccb->ccb_cmd.id = htole32(id); |
477 | ccb->ccb_cmd.id_hi = htole32(0); |
478 | return ccb; |
479 | } |
480 | |
481 | static int |
482 | ciss_poll(struct ciss_softc *sc, struct ciss_ccb *ccb, int ms) |
483 | { |
484 | struct ciss_ccb *ccb1; |
485 | |
486 | ms /= 10; |
487 | |
488 | while (ms-- > 0) { |
489 | DELAY(10); |
490 | ccb1 = ciss_poll1(sc); |
491 | if (ccb1 == NULL) |
492 | continue; |
493 | ciss_done(ccb1); |
494 | if (ccb1 == ccb) |
495 | return 0; |
496 | } |
497 | |
498 | return ETIMEDOUT; |
499 | } |
500 | |
501 | static int |
502 | ciss_wait(struct ciss_softc *sc, struct ciss_ccb *ccb, int ms) |
503 | { |
504 | int tohz, etick; |
505 | |
506 | tohz = mstohz(ms); |
507 | if (tohz == 0) |
508 | tohz = 1; |
509 | etick = hardclock_ticks + tohz; |
510 | |
511 | for (;;) { |
512 | ccb->ccb_state = CISS_CCB_POLL; |
513 | CISS_DPRINTF(CISS_D_CMD, ("cv_timedwait(%d) " , tohz)); |
514 | mutex_enter(&sc->sc_mutex); |
515 | if (cv_timedwait(&sc->sc_condvar, &sc->sc_mutex, tohz) |
516 | == EWOULDBLOCK) { |
517 | mutex_exit(&sc->sc_mutex); |
518 | return EWOULDBLOCK; |
519 | } |
520 | mutex_exit(&sc->sc_mutex); |
521 | if (ccb->ccb_state == CISS_CCB_ONQ) { |
522 | ciss_done(ccb); |
523 | return 0; |
524 | } |
525 | tohz = etick - hardclock_ticks; |
526 | if (tohz <= 0) |
527 | return EWOULDBLOCK; |
528 | CISS_DPRINTF(CISS_D_CMD, ("T" )); |
529 | } |
530 | } |
531 | |
532 | /* |
533 | * submit a command and optionally wait for completition. |
534 | * wait arg abuses XS_CTL_POLL|XS_CTL_NOSLEEP flags to request |
535 | * to wait (XS_CTL_POLL) and to allow tsleep() (!XS_CTL_NOSLEEP) |
536 | * instead of busy loop waiting |
537 | */ |
538 | static int |
539 | ciss_cmd(struct ciss_ccb *ccb, int flags, int wait) |
540 | { |
541 | struct ciss_softc *sc = ccb->ccb_sc; |
542 | struct ciss_cmd *cmd = &ccb->ccb_cmd; |
543 | bus_dmamap_t dmap = ccb->ccb_dmamap; |
544 | u_int64_t addr; |
545 | int i, error = 0; |
546 | |
547 | if (ccb->ccb_state != CISS_CCB_READY) { |
548 | printf("%s: ccb %d not ready state=0x%x\n" , device_xname(sc->sc_dev), |
549 | cmd->id, ccb->ccb_state); |
550 | return (EINVAL); |
551 | } |
552 | |
553 | if (ccb->ccb_data) { |
554 | bus_dma_segment_t *sgd; |
555 | |
556 | if ((error = bus_dmamap_load(sc->sc_dmat, dmap, ccb->ccb_data, |
557 | ccb->ccb_len, NULL, flags))) { |
558 | if (error == EFBIG) |
559 | printf("more than %d dma segs\n" , sc->maxsg); |
560 | else |
561 | printf("error %d loading dma map\n" , error); |
562 | ciss_put_ccb(ccb); |
563 | return (error); |
564 | } |
565 | cmd->sgin = dmap->dm_nsegs; |
566 | |
567 | sgd = dmap->dm_segs; |
568 | CISS_DPRINTF(CISS_D_DMA, ("data=%p/%zu<%#" PRIxPADDR "/%zu" , |
569 | ccb->ccb_data, ccb->ccb_len, sgd->ds_addr, sgd->ds_len)); |
570 | |
571 | for (i = 0; i < dmap->dm_nsegs; sgd++, i++) { |
572 | cmd->sgl[i].addr_lo = htole32(sgd->ds_addr); |
573 | cmd->sgl[i].addr_hi = |
574 | htole32((u_int64_t)sgd->ds_addr >> 32); |
575 | cmd->sgl[i].len = htole32(sgd->ds_len); |
576 | cmd->sgl[i].flags = htole32(0); |
577 | if (i) { |
578 | CISS_DPRINTF(CISS_D_DMA, |
579 | (",%#" PRIxPADDR "/%zu" , sgd->ds_addr, |
580 | sgd->ds_len)); |
581 | } |
582 | } |
583 | |
584 | CISS_DPRINTF(CISS_D_DMA, ("> " )); |
585 | |
586 | bus_dmamap_sync(sc->sc_dmat, dmap, 0, dmap->dm_mapsize, |
587 | BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); |
588 | } else |
589 | cmd->sgin = 0; |
590 | cmd->sglen = htole16((u_int16_t)cmd->sgin); |
591 | memset(&ccb->ccb_err, 0, sizeof(ccb->ccb_err)); |
592 | |
593 | bus_dmamap_sync(sc->sc_dmat, sc->cmdmap, 0, sc->cmdmap->dm_mapsize, |
594 | BUS_DMASYNC_PREWRITE); |
595 | |
596 | if ((wait & (XS_CTL_POLL|XS_CTL_NOSLEEP)) == (XS_CTL_POLL|XS_CTL_NOSLEEP)) |
597 | bus_space_write_4(sc->sc_iot, sc->sc_ioh, CISS_IMR, |
598 | bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_IMR) | sc->iem); |
599 | |
600 | mutex_enter(&sc->sc_mutex); |
601 | TAILQ_INSERT_TAIL(&sc->sc_ccbq, ccb, ccb_link); |
602 | mutex_exit(&sc->sc_mutex); |
603 | ccb->ccb_state = CISS_CCB_ONQ; |
604 | CISS_DPRINTF(CISS_D_CMD, ("submit=0x%x " , cmd->id)); |
605 | if (sc->cfg.methods & (CISS_METH_FIFO64|CISS_METH_FIFO64_RRO)) { |
606 | /* |
607 | * Write the upper 32bits immediately before the lower |
608 | * 32bits and set bit 63 to indicate 64bit FIFO mode. |
609 | */ |
610 | addr = (u_int64_t)ccb->ccb_cmdpa; |
611 | bus_space_write_4(sc->sc_iot, sc->sc_ioh, CISS_INQ64_HI, |
612 | (addr >> 32) | 0x80000000); |
613 | bus_space_write_4(sc->sc_iot, sc->sc_ioh, CISS_INQ64_LO, |
614 | addr & 0x00000000ffffffffULL); |
615 | } else |
616 | bus_space_write_4(sc->sc_iot, sc->sc_ioh, CISS_INQ, |
617 | ccb->ccb_cmdpa); |
618 | |
619 | if (wait & XS_CTL_POLL) { |
620 | int ms; |
621 | CISS_DPRINTF(CISS_D_CMD, ("waiting " )); |
622 | |
623 | ms = ccb->ccb_xs ? ccb->ccb_xs->timeout : 60000; |
624 | if (wait & XS_CTL_NOSLEEP) |
625 | error = ciss_poll(sc, ccb, ms); |
626 | else |
627 | error = ciss_wait(sc, ccb, ms); |
628 | |
629 | /* if never got a chance to be done above... */ |
630 | if (ccb->ccb_state != CISS_CCB_FREE) { |
631 | KASSERT(error); |
632 | ccb->ccb_err.cmd_stat = CISS_ERR_TMO; |
633 | error = ciss_done(ccb); |
634 | } |
635 | |
636 | CISS_DPRINTF(CISS_D_CMD, ("done %d:%d" , |
637 | ccb->ccb_err.cmd_stat, ccb->ccb_err.scsi_stat)); |
638 | } |
639 | |
640 | if ((wait & (XS_CTL_POLL|XS_CTL_NOSLEEP)) == (XS_CTL_POLL|XS_CTL_NOSLEEP)) |
641 | bus_space_write_4(sc->sc_iot, sc->sc_ioh, CISS_IMR, |
642 | bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_IMR) & ~sc->iem); |
643 | |
644 | return (error); |
645 | } |
646 | |
647 | static int |
648 | ciss_done(struct ciss_ccb *ccb) |
649 | { |
650 | struct ciss_softc *sc = ccb->ccb_sc; |
651 | struct scsipi_xfer *xs = ccb->ccb_xs; |
652 | struct ciss_cmd *cmd; |
653 | int error = 0; |
654 | |
655 | CISS_DPRINTF(CISS_D_CMD, ("ciss_done(%p) " , ccb)); |
656 | |
657 | if (ccb->ccb_state != CISS_CCB_ONQ) { |
658 | printf("%s: unqueued ccb %p ready, state=0x%x\n" , |
659 | device_xname(sc->sc_dev), ccb, ccb->ccb_state); |
660 | return 1; |
661 | } |
662 | |
663 | ccb->ccb_state = CISS_CCB_READY; |
664 | mutex_enter(&sc->sc_mutex); |
665 | TAILQ_REMOVE(&sc->sc_ccbq, ccb, ccb_link); |
666 | mutex_exit(&sc->sc_mutex); |
667 | |
668 | if (ccb->ccb_cmd.id & CISS_CMD_ERR) |
669 | error = ciss_error(ccb); |
670 | |
671 | cmd = &ccb->ccb_cmd; |
672 | if (ccb->ccb_data) { |
673 | bus_dmamap_sync(sc->sc_dmat, ccb->ccb_dmamap, 0, |
674 | ccb->ccb_dmamap->dm_mapsize, (cmd->flags & CISS_CDB_IN) ? |
675 | BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); |
676 | bus_dmamap_unload(sc->sc_dmat, ccb->ccb_dmamap); |
677 | ccb->ccb_xs = NULL; |
678 | ccb->ccb_data = NULL; |
679 | } |
680 | |
681 | ciss_put_ccb(ccb); |
682 | |
683 | if (xs) { |
684 | xs->resid = 0; |
685 | CISS_DPRINTF(CISS_D_CMD, ("scsipi_done(%p) " , xs)); |
686 | if (xs->cmd->opcode == INQUIRY) { |
687 | struct scsipi_inquiry_data *inq; |
688 | inq = (struct scsipi_inquiry_data *)xs->data; |
689 | if ((inq->version & SID_ANSII) == 0 && |
690 | (inq->flags3 & SID_CmdQue) != 0) { |
691 | inq->version |= 2; |
692 | } |
693 | } |
694 | scsipi_done(xs); |
695 | } |
696 | |
697 | return error; |
698 | } |
699 | |
700 | static int |
701 | ciss_error(struct ciss_ccb *ccb) |
702 | { |
703 | struct ciss_softc *sc = ccb->ccb_sc; |
704 | struct ciss_error *err = &ccb->ccb_err; |
705 | struct scsipi_xfer *xs = ccb->ccb_xs; |
706 | int rv; |
707 | |
708 | switch ((rv = le16toh(err->cmd_stat))) { |
709 | case CISS_ERR_OK: |
710 | rv = 0; |
711 | break; |
712 | |
713 | case CISS_ERR_INVCMD: |
714 | if (xs == NULL || |
715 | xs->cmd->opcode != SCSI_SYNCHRONIZE_CACHE_10) |
716 | printf("%s: invalid cmd 0x%x: 0x%x is not valid @ 0x%x[%d]\n" , |
717 | device_xname(sc->sc_dev), ccb->ccb_cmd.id, |
718 | err->err_info, err->err_type[3], err->err_type[2]); |
719 | if (xs) { |
720 | memset(&xs->sense, 0, sizeof(xs->sense)); |
721 | xs->sense.scsi_sense.response_code = |
722 | SSD_RCODE_CURRENT | SSD_RCODE_VALID; |
723 | xs->sense.scsi_sense.flags = SKEY_ILLEGAL_REQUEST; |
724 | xs->sense.scsi_sense.asc = 0x24; /* ill field */ |
725 | xs->sense.scsi_sense.ascq = 0x0; |
726 | xs->error = XS_SENSE; |
727 | } |
728 | rv = EIO; |
729 | break; |
730 | |
731 | case CISS_ERR_TMO: |
732 | xs->error = XS_TIMEOUT; |
733 | rv = ETIMEDOUT; |
734 | break; |
735 | |
736 | case CISS_ERR_UNRUN: |
737 | /* Underrun */ |
738 | xs->resid = le32toh(err->resid); |
739 | CISS_DPRINTF(CISS_D_CMD, (" underrun resid=0x%x " , |
740 | xs->resid)); |
741 | rv = EIO; |
742 | break; |
743 | default: |
744 | if (xs) { |
745 | CISS_DPRINTF(CISS_D_CMD, ("scsi_stat=%x " , err->scsi_stat)); |
746 | switch (err->scsi_stat) { |
747 | case SCSI_CHECK: |
748 | xs->error = XS_SENSE; |
749 | memcpy(&xs->sense, &err->sense[0], |
750 | sizeof(xs->sense)); |
751 | CISS_DPRINTF(CISS_D_CMD, (" sense=%02x %02x %02x %02x " , |
752 | err->sense[0], err->sense[1], err->sense[2], err->sense[3])); |
753 | rv = EIO; |
754 | break; |
755 | |
756 | case XS_BUSY: |
757 | xs->error = XS_BUSY; |
758 | rv = EBUSY; |
759 | break; |
760 | |
761 | default: |
762 | CISS_DPRINTF(CISS_D_ERR, ("%s: " |
763 | "cmd_stat=%x scsi_stat=0x%x resid=0x%x\n" , |
764 | device_xname(sc->sc_dev), rv, err->scsi_stat, |
765 | le32toh(err->resid))); |
766 | printf("ciss driver stuffup in %s:%d: %s()\n" , |
767 | __FILE__, __LINE__, __func__); |
768 | xs->error = XS_DRIVER_STUFFUP; |
769 | rv = EIO; |
770 | break; |
771 | } |
772 | xs->resid = le32toh(err->resid); |
773 | } else |
774 | rv = EIO; |
775 | } |
776 | ccb->ccb_cmd.id &= htole32(~3); |
777 | |
778 | return rv; |
779 | } |
780 | |
781 | static int |
782 | ciss_inq(struct ciss_softc *sc, struct ciss_inquiry *inq) |
783 | { |
784 | struct ciss_ccb *ccb; |
785 | struct ciss_cmd *cmd; |
786 | |
787 | ccb = ciss_get_ccb(sc); |
788 | ccb->ccb_len = sizeof(*inq); |
789 | ccb->ccb_data = inq; |
790 | ccb->ccb_xs = NULL; |
791 | cmd = &ccb->ccb_cmd; |
792 | cmd->tgt = htole32(CISS_CMD_MODE_PERIPH); |
793 | cmd->tgt2 = 0; |
794 | cmd->cdblen = 10; |
795 | cmd->flags = CISS_CDB_CMD | CISS_CDB_SIMPL | CISS_CDB_IN; |
796 | cmd->tmo = htole16(0); |
797 | memset(&cmd->cdb[0], 0, sizeof(cmd->cdb)); |
798 | cmd->cdb[0] = CISS_CMD_CTRL_GET; |
799 | cmd->cdb[6] = CISS_CMS_CTRL_CTRL; |
800 | cmd->cdb[7] = sizeof(*inq) >> 8; /* biiiig endian */ |
801 | cmd->cdb[8] = sizeof(*inq) & 0xff; |
802 | |
803 | return ciss_cmd(ccb, BUS_DMA_NOWAIT, XS_CTL_POLL|XS_CTL_NOSLEEP); |
804 | } |
805 | |
806 | static int |
807 | ciss_ldmap(struct ciss_softc *sc) |
808 | { |
809 | struct ciss_ccb *ccb; |
810 | struct ciss_cmd *cmd; |
811 | struct ciss_ldmap *lmap; |
812 | int total, rv; |
813 | |
814 | mutex_enter(&sc->sc_mutex_scratch); |
815 | lmap = sc->scratch; |
816 | lmap->size = htobe32(sc->maxunits * sizeof(lmap->map)); |
817 | total = sizeof(*lmap) + (sc->maxunits - 1) * sizeof(lmap->map); |
818 | |
819 | ccb = ciss_get_ccb(sc); |
820 | ccb->ccb_len = total; |
821 | ccb->ccb_data = lmap; |
822 | ccb->ccb_xs = NULL; |
823 | cmd = &ccb->ccb_cmd; |
824 | cmd->tgt = CISS_CMD_MODE_PERIPH; |
825 | cmd->tgt2 = 0; |
826 | cmd->cdblen = 12; |
827 | cmd->flags = CISS_CDB_CMD | CISS_CDB_SIMPL | CISS_CDB_IN; |
828 | cmd->tmo = htole16(30); |
829 | memset(&cmd->cdb[0], 0, sizeof(cmd->cdb)); |
830 | cmd->cdb[0] = CISS_CMD_LDMAP; |
831 | cmd->cdb[8] = total >> 8; /* biiiig endian */ |
832 | cmd->cdb[9] = total & 0xff; |
833 | |
834 | rv = ciss_cmd(ccb, BUS_DMA_NOWAIT, XS_CTL_POLL|XS_CTL_NOSLEEP); |
835 | |
836 | if (rv) { |
837 | mutex_exit(&sc->sc_mutex_scratch); |
838 | return rv; |
839 | } |
840 | |
841 | CISS_DPRINTF(CISS_D_MISC, ("lmap %x:%x\n" , |
842 | lmap->map[0].tgt, lmap->map[0].tgt2)); |
843 | |
844 | mutex_exit(&sc->sc_mutex_scratch); |
845 | return 0; |
846 | } |
847 | |
848 | static int |
849 | ciss_sync(struct ciss_softc *sc) |
850 | { |
851 | struct ciss_ccb *ccb; |
852 | struct ciss_cmd *cmd; |
853 | struct ciss_flush *flush; |
854 | int rv; |
855 | |
856 | mutex_enter(&sc->sc_mutex_scratch); |
857 | flush = sc->scratch; |
858 | memset(flush, 0, sizeof(*flush)); |
859 | flush->flush = sc->sc_flush; |
860 | |
861 | ccb = ciss_get_ccb(sc); |
862 | ccb->ccb_len = sizeof(*flush); |
863 | ccb->ccb_data = flush; |
864 | ccb->ccb_xs = NULL; |
865 | cmd = &ccb->ccb_cmd; |
866 | cmd->tgt = CISS_CMD_MODE_PERIPH; |
867 | cmd->tgt2 = 0; |
868 | cmd->cdblen = 10; |
869 | cmd->flags = CISS_CDB_CMD | CISS_CDB_SIMPL | CISS_CDB_OUT; |
870 | cmd->tmo = 0; |
871 | memset(&cmd->cdb[0], 0, sizeof(cmd->cdb)); |
872 | cmd->cdb[0] = CISS_CMD_CTRL_SET; |
873 | cmd->cdb[6] = CISS_CMS_CTRL_FLUSH; |
874 | cmd->cdb[7] = sizeof(*flush) >> 8; /* biiiig endian */ |
875 | cmd->cdb[8] = sizeof(*flush) & 0xff; |
876 | |
877 | rv = ciss_cmd(ccb, BUS_DMA_NOWAIT, XS_CTL_POLL|XS_CTL_NOSLEEP); |
878 | mutex_exit(&sc->sc_mutex_scratch); |
879 | |
880 | return rv; |
881 | } |
882 | |
883 | int |
884 | ciss_ldid(struct ciss_softc *sc, int target, struct ciss_ldid *id) |
885 | { |
886 | struct ciss_ccb *ccb; |
887 | struct ciss_cmd *cmd; |
888 | |
889 | ccb = ciss_get_ccb(sc); |
890 | if (ccb == NULL) |
891 | return ENOMEM; |
892 | ccb->ccb_len = sizeof(*id); |
893 | ccb->ccb_data = id; |
894 | ccb->ccb_xs = NULL; |
895 | cmd = &ccb->ccb_cmd; |
896 | cmd->tgt = htole32(CISS_CMD_MODE_PERIPH); |
897 | cmd->tgt2 = 0; |
898 | cmd->cdblen = 10; |
899 | cmd->flags = CISS_CDB_CMD | CISS_CDB_SIMPL | CISS_CDB_IN; |
900 | cmd->tmo = htole16(0); |
901 | memset(&cmd->cdb[0], 0, sizeof(cmd->cdb)); |
902 | cmd->cdb[0] = CISS_CMD_CTRL_GET; |
903 | cmd->cdb[1] = target; |
904 | cmd->cdb[6] = CISS_CMS_CTRL_LDIDEXT; |
905 | cmd->cdb[7] = sizeof(*id) >> 8; /* biiiig endian */ |
906 | cmd->cdb[8] = sizeof(*id) & 0xff; |
907 | |
908 | return ciss_cmd(ccb, BUS_DMA_NOWAIT, XS_CTL_POLL | sc->sc_waitflag); |
909 | } |
910 | |
911 | int |
912 | ciss_ldstat(struct ciss_softc *sc, int target, struct ciss_ldstat *stat) |
913 | { |
914 | struct ciss_ccb *ccb; |
915 | struct ciss_cmd *cmd; |
916 | |
917 | ccb = ciss_get_ccb(sc); |
918 | if (ccb == NULL) |
919 | return ENOMEM; |
920 | ccb->ccb_len = sizeof(*stat); |
921 | ccb->ccb_data = stat; |
922 | ccb->ccb_xs = NULL; |
923 | cmd = &ccb->ccb_cmd; |
924 | cmd->tgt = htole32(CISS_CMD_MODE_PERIPH); |
925 | cmd->tgt2 = 0; |
926 | cmd->cdblen = 10; |
927 | cmd->flags = CISS_CDB_CMD | CISS_CDB_SIMPL | CISS_CDB_IN; |
928 | cmd->tmo = htole16(0); |
929 | memset(&cmd->cdb[0], 0, sizeof(cmd->cdb)); |
930 | cmd->cdb[0] = CISS_CMD_CTRL_GET; |
931 | cmd->cdb[1] = target; |
932 | cmd->cdb[6] = CISS_CMS_CTRL_LDSTAT; |
933 | cmd->cdb[7] = sizeof(*stat) >> 8; /* biiiig endian */ |
934 | cmd->cdb[8] = sizeof(*stat) & 0xff; |
935 | |
936 | return ciss_cmd(ccb, BUS_DMA_NOWAIT, XS_CTL_POLL | sc->sc_waitflag); |
937 | } |
938 | |
939 | int |
940 | ciss_pdid(struct ciss_softc *sc, u_int8_t drv, struct ciss_pdid *id, int wait) |
941 | { |
942 | struct ciss_ccb *ccb; |
943 | struct ciss_cmd *cmd; |
944 | |
945 | ccb = ciss_get_ccb(sc); |
946 | if (ccb == NULL) |
947 | return ENOMEM; |
948 | ccb->ccb_len = sizeof(*id); |
949 | ccb->ccb_data = id; |
950 | ccb->ccb_xs = NULL; |
951 | cmd = &ccb->ccb_cmd; |
952 | cmd->tgt = htole32(CISS_CMD_MODE_PERIPH); |
953 | cmd->tgt2 = 0; |
954 | cmd->cdblen = 10; |
955 | cmd->flags = CISS_CDB_CMD | CISS_CDB_SIMPL | CISS_CDB_IN; |
956 | cmd->tmo = htole16(0); |
957 | memset(&cmd->cdb[0], 0, sizeof(cmd->cdb)); |
958 | cmd->cdb[0] = CISS_CMD_CTRL_GET; |
959 | cmd->cdb[2] = drv; |
960 | cmd->cdb[6] = CISS_CMS_CTRL_PDID; |
961 | cmd->cdb[7] = sizeof(*id) >> 8; /* biiiig endian */ |
962 | cmd->cdb[8] = sizeof(*id) & 0xff; |
963 | |
964 | return ciss_cmd(ccb, BUS_DMA_NOWAIT, wait); |
965 | } |
966 | |
967 | |
968 | struct ciss_ld * |
969 | ciss_pdscan(struct ciss_softc *sc, int ld) |
970 | { |
971 | struct ciss_pdid *pdid; |
972 | struct ciss_ld *ldp; |
973 | u_int8_t drv, buf[128]; |
974 | int i, j, k = 0; |
975 | |
976 | mutex_enter(&sc->sc_mutex_scratch); |
977 | pdid = sc->scratch; |
978 | if (sc->ndrives == 256) { |
979 | for (i = 0; i < CISS_BIGBIT; i++) |
980 | if (!ciss_pdid(sc, i, pdid, |
981 | XS_CTL_POLL|XS_CTL_NOSLEEP) && |
982 | (pdid->present & CISS_PD_PRESENT)) |
983 | buf[k++] = i; |
984 | } else |
985 | for (i = 0; i < sc->nbus; i++) |
986 | for (j = 0; j < sc->ndrives; j++) { |
987 | drv = CISS_BIGBIT + i * sc->ndrives + j; |
988 | if (!ciss_pdid(sc, drv, pdid, |
989 | XS_CTL_POLL|XS_CTL_NOSLEEP)) |
990 | buf[k++] = drv; |
991 | } |
992 | mutex_exit(&sc->sc_mutex_scratch); |
993 | |
994 | if (!k) |
995 | return NULL; |
996 | |
997 | ldp = malloc(sizeof(*ldp) + (k-1), M_DEVBUF, M_NOWAIT); |
998 | if (!ldp) |
999 | return NULL; |
1000 | |
1001 | memset(&ldp->bling, 0, sizeof(ldp->bling)); |
1002 | ldp->ndrives = k; |
1003 | ldp->xname[0] = 0; |
1004 | memcpy(ldp->tgts, buf, k); |
1005 | return ldp; |
1006 | } |
1007 | |
1008 | #if 0 |
1009 | static void |
1010 | ciss_scsi_raw_cmd(struct scsipi_channel *chan, scsipi_adapter_req_t req, |
1011 | void *arg) /* TODO */ |
1012 | { |
1013 | struct scsipi_xfer *xs = (struct scsipi_xfer *) arg; |
1014 | struct ciss_rawsoftc *rsc = device_private( |
1015 | chan->chan_adapter->adapt_dev); |
1016 | struct ciss_softc *sc = rsc->sc_softc; |
1017 | struct ciss_ccb *ccb; |
1018 | struct ciss_cmd *cmd; |
1019 | int error; |
1020 | |
1021 | CISS_DPRINTF(CISS_D_CMD, ("ciss_scsi_raw_cmd " )); |
1022 | |
1023 | switch (req) |
1024 | { |
1025 | case ADAPTER_REQ_RUN_XFER: |
1026 | if (xs->cmdlen > CISS_MAX_CDB) { |
1027 | CISS_DPRINTF(CISS_D_CMD, ("CDB too big %p " , xs)); |
1028 | memset(&xs->sense, 0, sizeof(xs->sense)); |
1029 | printf("ciss driver stuffup in %s:%d: %s()\n" , |
1030 | __FILE__, __LINE__, __func__); |
1031 | xs->error = XS_DRIVER_STUFFUP; |
1032 | scsipi_done(xs); |
1033 | break; |
1034 | } |
1035 | |
1036 | error = 0; |
1037 | xs->error = XS_NOERROR; |
1038 | |
1039 | /* TODO check this target has not yet employed w/ any volume */ |
1040 | |
1041 | ccb = ciss_get_ccb(sc); |
1042 | cmd = &ccb->ccb_cmd; |
1043 | ccb->ccb_len = xs->datalen; |
1044 | ccb->ccb_data = xs->data; |
1045 | ccb->ccb_xs = xs; |
1046 | |
1047 | cmd->cdblen = xs->cmdlen; |
1048 | cmd->flags = CISS_CDB_CMD | CISS_CDB_SIMPL; |
1049 | if (xs->xs_control & XS_CTL_DATA_IN) |
1050 | cmd->flags |= CISS_CDB_IN; |
1051 | else if (xs->xs_control & XS_CTL_DATA_OUT) |
1052 | cmd->flags |= CISS_CDB_OUT; |
1053 | cmd->tmo = xs->timeout < 1000? 1 : xs->timeout / 1000; |
1054 | memset(&cmd->cdb[0], 0, sizeof(cmd->cdb)); |
1055 | memcpy(&cmd->cdb[0], xs->cmd, CISS_MAX_CDB); |
1056 | |
1057 | if (ciss_cmd(ccb, BUS_DMA_WAITOK, |
1058 | xs->xs_control & (XS_CTL_POLL|XS_CTL_NOSLEEP))) { |
1059 | printf("ciss driver stuffup in %s:%d: %s()\n" , |
1060 | __FILE__, __LINE__, __func__); |
1061 | xs->error = XS_DRIVER_STUFFUP; |
1062 | scsipi_done(xs); |
1063 | break; |
1064 | } |
1065 | |
1066 | break; |
1067 | |
1068 | case ADAPTER_REQ_GROW_RESOURCES: |
1069 | /* |
1070 | * Not supported. |
1071 | */ |
1072 | break; |
1073 | |
1074 | case ADAPTER_REQ_SET_XFER_MODE: |
1075 | /* |
1076 | * We can't change the transfer mode, but at least let |
1077 | * scsipi know what the adapter has negociated. |
1078 | */ |
1079 | /* Get xfer mode and return it */ |
1080 | break; |
1081 | } |
1082 | } |
1083 | #endif |
1084 | |
1085 | static void |
1086 | ciss_scsi_cmd(struct scsipi_channel *chan, scsipi_adapter_req_t req, |
1087 | void *arg) |
1088 | { |
1089 | struct scsipi_xfer *xs; |
1090 | struct scsipi_xfer_mode *xm; |
1091 | struct ciss_softc *sc = device_private(chan->chan_adapter->adapt_dev); |
1092 | u_int8_t target; |
1093 | struct ciss_ccb *ccb; |
1094 | struct ciss_cmd *cmd; |
1095 | |
1096 | CISS_DPRINTF(CISS_D_CMD, ("ciss_scsi_cmd " )); |
1097 | |
1098 | switch (req) |
1099 | { |
1100 | case ADAPTER_REQ_RUN_XFER: |
1101 | xs = (struct scsipi_xfer *) arg; |
1102 | target = xs->xs_periph->periph_target; |
1103 | CISS_DPRINTF(CISS_D_CMD, ("targ=%d " , target)); |
1104 | if (xs->cmdlen > CISS_MAX_CDB) { |
1105 | CISS_DPRINTF(CISS_D_CMD, ("CDB too big %p " , xs)); |
1106 | memset(&xs->sense, 0, sizeof(xs->sense)); |
1107 | xs->error = XS_SENSE; |
1108 | printf("ciss driver stuffup in %s:%d: %s()\n" , |
1109 | __FILE__, __LINE__, __func__); |
1110 | scsipi_done(xs); |
1111 | break; |
1112 | } |
1113 | |
1114 | xs->error = XS_NOERROR; |
1115 | |
1116 | /* XXX emulate SYNCHRONIZE_CACHE ??? */ |
1117 | |
1118 | ccb = ciss_get_ccb(sc); |
1119 | cmd = &ccb->ccb_cmd; |
1120 | ccb->ccb_len = xs->datalen; |
1121 | ccb->ccb_data = xs->data; |
1122 | ccb->ccb_xs = xs; |
1123 | cmd->tgt = CISS_CMD_MODE_LD | target; |
1124 | cmd->tgt2 = 0; |
1125 | cmd->cdblen = xs->cmdlen; |
1126 | cmd->flags = CISS_CDB_CMD | CISS_CDB_SIMPL; |
1127 | if (xs->xs_control & XS_CTL_DATA_IN) |
1128 | cmd->flags |= CISS_CDB_IN; |
1129 | else if (xs->xs_control & XS_CTL_DATA_OUT) |
1130 | cmd->flags |= CISS_CDB_OUT; |
1131 | cmd->tmo = htole16(xs->timeout < 1000? 1 : xs->timeout / 1000); |
1132 | memset(&cmd->cdb[0], 0, sizeof(cmd->cdb)); |
1133 | memcpy(&cmd->cdb[0], xs->cmd, CISS_MAX_CDB); |
1134 | CISS_DPRINTF(CISS_D_CMD, ("cmd=%02x %02x %02x %02x %02x %02x " , |
1135 | cmd->cdb[0], cmd->cdb[1], cmd->cdb[2], |
1136 | cmd->cdb[3], cmd->cdb[4], cmd->cdb[5])); |
1137 | |
1138 | if (ciss_cmd(ccb, BUS_DMA_WAITOK, |
1139 | xs->xs_control & (XS_CTL_POLL|XS_CTL_NOSLEEP))) { |
1140 | printf("ciss driver stuffup in %s:%d: %s()\n" , |
1141 | __FILE__, __LINE__, __func__); |
1142 | xs->error = XS_DRIVER_STUFFUP; |
1143 | scsipi_done(xs); |
1144 | return; |
1145 | } |
1146 | |
1147 | break; |
1148 | case ADAPTER_REQ_GROW_RESOURCES: |
1149 | /* |
1150 | * Not supported. |
1151 | */ |
1152 | break; |
1153 | case ADAPTER_REQ_SET_XFER_MODE: |
1154 | /* |
1155 | * We can't change the transfer mode, but at least let |
1156 | * scsipi know what the adapter has negociated. |
1157 | */ |
1158 | xm = (struct scsipi_xfer_mode *)arg; |
1159 | xm->xm_mode |= PERIPH_CAP_TQING; |
1160 | scsipi_async_event(chan, ASYNC_EVENT_XFER_MODE, xm); |
1161 | break; |
1162 | default: |
1163 | printf("%s: %d %d unsupported\n" , __func__, __LINE__, req); |
1164 | } |
1165 | } |
1166 | |
1167 | int |
1168 | ciss_intr(void *v) |
1169 | { |
1170 | struct ciss_softc *sc = v; |
1171 | struct ciss_ccb *ccb; |
1172 | u_int32_t id; |
1173 | bus_size_t reg; |
1174 | int hit = 0; |
1175 | |
1176 | CISS_DPRINTF(CISS_D_INTR, ("intr " )); |
1177 | |
1178 | if (!(bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_ISR) & sc->iem)) |
1179 | return 0; |
1180 | |
1181 | if (sc->cfg.methods & CISS_METH_FIFO64) |
1182 | reg = CISS_OUTQ64_HI; |
1183 | else if (sc->cfg.methods & CISS_METH_FIFO64_RRO) |
1184 | reg = CISS_OUTQ64_LO; |
1185 | else |
1186 | reg = CISS_OUTQ; |
1187 | while ((id = bus_space_read_4(sc->sc_iot, sc->sc_ioh, reg)) != |
1188 | 0xffffffff) { |
1189 | if (reg == CISS_OUTQ64_HI) |
1190 | id = bus_space_read_4(sc->sc_iot, sc->sc_ioh, |
1191 | CISS_OUTQ64_LO); |
1192 | else if (reg == CISS_OUTQ64_LO) |
1193 | (void)bus_space_read_4(sc->sc_iot, sc->sc_ioh, |
1194 | CISS_OUTQ64_HI); |
1195 | |
1196 | ccb = (struct ciss_ccb *) ((char *)sc->ccbs + (id >> 2) * sc->ccblen); |
1197 | ccb->ccb_cmd.id = htole32(id); |
1198 | ccb->ccb_cmd.id_hi = htole32(0); /* ignore the upper 32bits */ |
1199 | if (ccb->ccb_state == CISS_CCB_POLL) { |
1200 | ccb->ccb_state = CISS_CCB_ONQ; |
1201 | mutex_enter(&sc->sc_mutex); |
1202 | cv_broadcast(&sc->sc_condvar); |
1203 | mutex_exit(&sc->sc_mutex); |
1204 | } else |
1205 | ciss_done(ccb); |
1206 | |
1207 | hit = 1; |
1208 | } |
1209 | |
1210 | CISS_DPRINTF(CISS_D_INTR, ("exit\n" )); |
1211 | return hit; |
1212 | } |
1213 | |
1214 | static void |
1215 | ciss_heartbeat(void *v) |
1216 | { |
1217 | struct ciss_softc *sc = v; |
1218 | u_int32_t hb; |
1219 | |
1220 | hb = bus_space_read_4(sc->sc_iot, sc->cfg_ioh, |
1221 | sc->cfgoff + offsetof(struct ciss_config, heartbeat)); |
1222 | if (hb == sc->heartbeat) { |
1223 | sc->fibrillation++; |
1224 | CISS_DPRINTF(CISS_D_ERR, ("%s: fibrillation #%d (value=%d)\n" , |
1225 | device_xname(sc->sc_dev), sc->fibrillation, hb)); |
1226 | if (sc->fibrillation >= 11) { |
1227 | /* No heartbeat for 33 seconds */ |
1228 | panic("%s: dead" , device_xname(sc->sc_dev)); /* XXX reset! */ |
1229 | } |
1230 | } else { |
1231 | sc->heartbeat = hb; |
1232 | if (sc->fibrillation) { |
1233 | CISS_DPRINTF(CISS_D_ERR, ("%s: " |
1234 | "fibrillation ended (value=%d)\n" , |
1235 | device_xname(sc->sc_dev), hb)); |
1236 | } |
1237 | sc->fibrillation = 0; |
1238 | } |
1239 | |
1240 | callout_schedule(&sc->sc_hb, hz * 3); |
1241 | } |
1242 | |
1243 | static int |
1244 | ciss_scsi_ioctl(struct scsipi_channel *chan, u_long cmd, |
1245 | void *addr, int flag, struct proc *p) |
1246 | { |
1247 | #if NBIO > 0 |
1248 | return ciss_ioctl(chan->chan_adapter->adapt_dev, cmd, addr); |
1249 | #else |
1250 | return ENOTTY; |
1251 | #endif |
1252 | } |
1253 | |
1254 | #if NBIO > 0 |
1255 | const int ciss_level[] = { 0, 4, 1, 5, 51, 7 }; |
1256 | const int ciss_stat[] = { BIOC_SVONLINE, BIOC_SVOFFLINE, BIOC_SVOFFLINE, |
1257 | BIOC_SVDEGRADED, BIOC_SVREBUILD, BIOC_SVREBUILD, BIOC_SVDEGRADED, |
1258 | BIOC_SVDEGRADED, BIOC_SVINVALID, BIOC_SVINVALID, BIOC_SVBUILDING, |
1259 | BIOC_SVOFFLINE, BIOC_SVBUILDING }; |
1260 | |
1261 | int |
1262 | ciss_ioctl(device_t dev, u_long cmd, void *addr) |
1263 | { |
1264 | struct ciss_softc *sc = device_private(dev); |
1265 | struct bioc_inq *bi; |
1266 | struct bioc_disk *bd; |
1267 | struct bioc_blink *bb; |
1268 | struct ciss_ldstat *ldstat; |
1269 | struct ciss_pdid *pdid; |
1270 | struct ciss_blink *blink; |
1271 | struct ciss_ld *ldp; |
1272 | u_int8_t drv; |
1273 | int ld, pd, error = 0; |
1274 | |
1275 | switch (cmd) { |
1276 | case BIOCINQ: |
1277 | bi = (struct bioc_inq *)addr; |
1278 | strlcpy(bi->bi_dev, device_xname(sc->sc_dev), sizeof(bi->bi_dev)); |
1279 | bi->bi_novol = sc->maxunits; |
1280 | bi->bi_nodisk = sc->sc_lds[0]->ndrives; |
1281 | break; |
1282 | |
1283 | case BIOCVOL: |
1284 | error = ciss_ioctl_vol(sc, (struct bioc_vol *)addr); |
1285 | break; |
1286 | |
1287 | case BIOCDISK_NOVOL: |
1288 | /* |
1289 | * XXX since we don't know how to associate physical drives with logical drives |
1290 | * yet, BIOCDISK_NOVOL is equivalent to BIOCDISK to the volume that we've |
1291 | * associated all physical drives to. |
1292 | * Maybe assoicate all physical drives to all logical volumes, but only return |
1293 | * physical drives on one logical volume. Which one? Either 1st volume that |
1294 | * is degraded, rebuilding, or failed? |
1295 | */ |
1296 | bd = (struct bioc_disk *)addr; |
1297 | bd->bd_volid = 0; |
1298 | bd->bd_disknovol = true; |
1299 | /* FALLTHROUGH */ |
1300 | case BIOCDISK: |
1301 | bd = (struct bioc_disk *)addr; |
1302 | if (bd->bd_volid > sc->maxunits) { |
1303 | error = EINVAL; |
1304 | break; |
1305 | } |
1306 | ldp = sc->sc_lds[0]; |
1307 | if (!ldp || (pd = bd->bd_diskid) > ldp->ndrives) { |
1308 | error = EINVAL; |
1309 | break; |
1310 | } |
1311 | ldstat = sc->scratch; |
1312 | if ((error = ciss_ldstat(sc, bd->bd_volid, ldstat))) { |
1313 | break; |
1314 | } |
1315 | bd->bd_status = -1; |
1316 | if (ldstat->stat == CISS_LD_REBLD && |
1317 | ldstat->bigrebuild == ldp->tgts[pd]) |
1318 | bd->bd_status = BIOC_SDREBUILD; |
1319 | if (ciss_bitset(ldp->tgts[pd] & (~CISS_BIGBIT), |
1320 | ldstat->bigfailed)) { |
1321 | bd->bd_status = BIOC_SDFAILED; |
1322 | bd->bd_size = 0; |
1323 | bd->bd_channel = (ldp->tgts[pd] & (~CISS_BIGBIT)) / |
1324 | sc->ndrives; |
1325 | bd->bd_target = ldp->tgts[pd] % sc->ndrives; |
1326 | bd->bd_lun = 0; |
1327 | bd->bd_vendor[0] = '\0'; |
1328 | bd->bd_serial[0] = '\0'; |
1329 | bd->bd_procdev[0] = '\0'; |
1330 | } else { |
1331 | pdid = sc->scratch; |
1332 | if ((error = ciss_pdid(sc, ldp->tgts[pd], pdid, |
1333 | XS_CTL_POLL))) { |
1334 | bd->bd_status = BIOC_SDFAILED; |
1335 | bd->bd_size = 0; |
1336 | bd->bd_channel = (ldp->tgts[pd] & (~CISS_BIGBIT)) / |
1337 | sc->ndrives; |
1338 | bd->bd_target = ldp->tgts[pd] % sc->ndrives; |
1339 | bd->bd_lun = 0; |
1340 | bd->bd_vendor[0] = '\0'; |
1341 | bd->bd_serial[0] = '\0'; |
1342 | bd->bd_procdev[0] = '\0'; |
1343 | error = 0; |
1344 | break; |
1345 | } |
1346 | if (bd->bd_status < 0) { |
1347 | if (pdid->config & CISS_PD_SPARE) |
1348 | bd->bd_status = BIOC_SDHOTSPARE; |
1349 | else if (pdid->present & CISS_PD_PRESENT) |
1350 | bd->bd_status = BIOC_SDONLINE; |
1351 | else |
1352 | bd->bd_status = BIOC_SDINVALID; |
1353 | } |
1354 | bd->bd_size = (u_int64_t)le32toh(pdid->nblocks) * |
1355 | le16toh(pdid->blksz); |
1356 | bd->bd_channel = pdid->bus; |
1357 | bd->bd_target = pdid->target; |
1358 | bd->bd_lun = 0; |
1359 | strlcpy(bd->bd_vendor, pdid->model, |
1360 | sizeof(bd->bd_vendor)); |
1361 | strlcpy(bd->bd_serial, pdid->serial, |
1362 | sizeof(bd->bd_serial)); |
1363 | bd->bd_procdev[0] = '\0'; |
1364 | } |
1365 | break; |
1366 | |
1367 | case BIOCBLINK: |
1368 | bb = (struct bioc_blink *)addr; |
1369 | blink = sc->scratch; |
1370 | error = EINVAL; |
1371 | /* XXX workaround completely dumb scsi addressing */ |
1372 | for (ld = 0; ld < sc->maxunits; ld++) { |
1373 | ldp = sc->sc_lds[ld]; |
1374 | if (!ldp) |
1375 | continue; |
1376 | if (sc->ndrives == 256) |
1377 | drv = bb->bb_target; |
1378 | else |
1379 | drv = CISS_BIGBIT + |
1380 | bb->bb_channel * sc->ndrives + |
1381 | bb->bb_target; |
1382 | for (pd = 0; pd < ldp->ndrives; pd++) |
1383 | if (ldp->tgts[pd] == drv) |
1384 | error = ciss_blink(sc, ld, pd, |
1385 | bb->bb_status, blink); |
1386 | } |
1387 | break; |
1388 | |
1389 | case BIOCALARM: |
1390 | case BIOCSETSTATE: |
1391 | default: |
1392 | error = EINVAL; |
1393 | } |
1394 | |
1395 | return (error); |
1396 | } |
1397 | |
1398 | int |
1399 | ciss_ioctl_vol(struct ciss_softc *sc, struct bioc_vol *bv) |
1400 | { |
1401 | struct ciss_ldid *ldid; |
1402 | struct ciss_ld *ldp; |
1403 | struct ciss_ldstat *ldstat; |
1404 | struct ciss_pdid *pdid; |
1405 | int error = 0; |
1406 | u_int blks; |
1407 | |
1408 | if (bv->bv_volid > sc->maxunits) { |
1409 | return EINVAL; |
1410 | } |
1411 | ldp = sc->sc_lds[bv->bv_volid]; |
1412 | ldid = sc->scratch; |
1413 | if ((error = ciss_ldid(sc, bv->bv_volid, ldid))) { |
1414 | return error; |
1415 | } |
1416 | bv->bv_status = BIOC_SVINVALID; |
1417 | blks = (u_int)le16toh(ldid->nblocks[1]) << 16 | |
1418 | le16toh(ldid->nblocks[0]); |
1419 | bv->bv_size = blks * (u_quad_t)le16toh(ldid->blksize); |
1420 | bv->bv_level = ciss_level[ldid->type]; |
1421 | /* |
1422 | * XXX Should only return bv_nodisk for logigal volume that we've associated |
1423 | * the physical drives to: either the 1st degraded, rebuilding, or failed |
1424 | * volume else volume 0? |
1425 | */ |
1426 | if (ldp) { |
1427 | bv->bv_nodisk = ldp->ndrives; |
1428 | strlcpy(bv->bv_dev, ldp->xname, sizeof(bv->bv_dev)); |
1429 | } |
1430 | strlcpy(bv->bv_vendor, "CISS" , sizeof(bv->bv_vendor)); |
1431 | ldstat = sc->scratch; |
1432 | memset(ldstat, 0, sizeof(*ldstat)); |
1433 | if ((error = ciss_ldstat(sc, bv->bv_volid, ldstat))) { |
1434 | return error; |
1435 | } |
1436 | bv->bv_percent = -1; |
1437 | bv->bv_seconds = 0; |
1438 | if (ldstat->stat < sizeof(ciss_stat)/sizeof(ciss_stat[0])) |
1439 | bv->bv_status = ciss_stat[ldstat->stat]; |
1440 | if (bv->bv_status == BIOC_SVREBUILD || |
1441 | bv->bv_status == BIOC_SVBUILDING) { |
1442 | u_int64_t prog; |
1443 | |
1444 | ldp = sc->sc_lds[0]; |
1445 | if (ldp) { |
1446 | bv->bv_nodisk = ldp->ndrives; |
1447 | strlcpy(bv->bv_dev, ldp->xname, sizeof(bv->bv_dev)); |
1448 | } |
1449 | /* |
1450 | * XXX ldstat->prog is blocks remaining on physical drive being rebuilt |
1451 | * blks is only correct for a RAID1 set; RAID5 needs to determine the |
1452 | * size of the physical device - which we don't yet know. |
1453 | * ldstat->bigrebuild has physical device target, so could be used with |
1454 | * pdid to get size. Another way is to save pd information in sc so it's |
1455 | * easy to reference. |
1456 | */ |
1457 | prog = (u_int64_t)((ldstat->prog[3] << 24) | |
1458 | (ldstat->prog[2] << 16) | (ldstat->prog[1] << 8) | |
1459 | ldstat->prog[0]); |
1460 | pdid = sc->scratch; |
1461 | if (!ciss_pdid(sc, ldstat->bigrebuild, pdid, XS_CTL_POLL)) { |
1462 | blks = le32toh(pdid->nblocks); |
1463 | bv->bv_percent = (blks - prog) * 1000ULL / blks; |
1464 | } |
1465 | } |
1466 | return 0; |
1467 | } |
1468 | |
1469 | int |
1470 | ciss_blink(struct ciss_softc *sc, int ld, int pd, int stat, |
1471 | struct ciss_blink *blink) |
1472 | { |
1473 | struct ciss_ccb *ccb; |
1474 | struct ciss_cmd *cmd; |
1475 | struct ciss_ld *ldp; |
1476 | |
1477 | if (ld > sc->maxunits) |
1478 | return EINVAL; |
1479 | |
1480 | ldp = sc->sc_lds[ld]; |
1481 | if (!ldp || pd > ldp->ndrives) |
1482 | return EINVAL; |
1483 | |
1484 | ldp->bling.pdtab[ldp->tgts[pd]] = stat == BIOC_SBUNBLINK? 0 : |
1485 | CISS_BLINK_ALL; |
1486 | memcpy(blink, &ldp->bling, sizeof(*blink)); |
1487 | |
1488 | ccb = ciss_get_ccb(sc); |
1489 | if (ccb == NULL) |
1490 | return ENOMEM; |
1491 | ccb->ccb_len = sizeof(*blink); |
1492 | ccb->ccb_data = blink; |
1493 | ccb->ccb_xs = NULL; |
1494 | cmd = &ccb->ccb_cmd; |
1495 | cmd->tgt = htole32(CISS_CMD_MODE_PERIPH); |
1496 | cmd->tgt2 = 0; |
1497 | cmd->cdblen = 10; |
1498 | cmd->flags = CISS_CDB_CMD | CISS_CDB_SIMPL | CISS_CDB_OUT; |
1499 | cmd->tmo = htole16(0); |
1500 | memset(&cmd->cdb[0], 0, sizeof(cmd->cdb)); |
1501 | cmd->cdb[0] = CISS_CMD_CTRL_SET; |
1502 | cmd->cdb[6] = CISS_CMS_CTRL_PDBLINK; |
1503 | cmd->cdb[7] = sizeof(*blink) >> 8; /* biiiig endian */ |
1504 | cmd->cdb[8] = sizeof(*blink) & 0xff; |
1505 | |
1506 | return ciss_cmd(ccb, BUS_DMA_NOWAIT, XS_CTL_POLL); |
1507 | } |
1508 | |
1509 | int |
1510 | ciss_create_sensors(struct ciss_softc *sc) |
1511 | { |
1512 | int i; |
1513 | int nsensors = sc->maxunits; |
1514 | |
1515 | if (nsensors == 0) { |
1516 | return 0; |
1517 | } |
1518 | |
1519 | sc->sc_sme = sysmon_envsys_create(); |
1520 | sc->sc_sensor = malloc(sizeof(envsys_data_t) * nsensors, |
1521 | M_DEVBUF, M_NOWAIT | M_ZERO); |
1522 | if (sc->sc_sensor == NULL) { |
1523 | aprint_error_dev(sc->sc_dev, "can't allocate envsys_data" ); |
1524 | return(ENOMEM); |
1525 | } |
1526 | |
1527 | for (i = 0; i < nsensors; i++) { |
1528 | sc->sc_sensor[i].units = ENVSYS_DRIVE; |
1529 | sc->sc_sensor[i].state = ENVSYS_SINVALID; |
1530 | sc->sc_sensor[i].value_cur = ENVSYS_DRIVE_EMPTY; |
1531 | /* Enable monitoring for drive state changes */ |
1532 | sc->sc_sensor[i].flags |= ENVSYS_FMONSTCHANGED; |
1533 | /* logical drives */ |
1534 | snprintf(sc->sc_sensor[i].desc, |
1535 | sizeof(sc->sc_sensor[i].desc), "%s:%d" , |
1536 | device_xname(sc->sc_dev), i); |
1537 | if (sysmon_envsys_sensor_attach(sc->sc_sme, |
1538 | &sc->sc_sensor[i])) |
1539 | goto out; |
1540 | } |
1541 | |
1542 | sc->sc_sme->sme_name = device_xname(sc->sc_dev); |
1543 | sc->sc_sme->sme_cookie = sc; |
1544 | sc->sc_sme->sme_refresh = ciss_sensor_refresh; |
1545 | if (sysmon_envsys_register(sc->sc_sme)) { |
1546 | printf("%s: unable to register with sysmon\n" , |
1547 | device_xname(sc->sc_dev)); |
1548 | return(1); |
1549 | } |
1550 | return (0); |
1551 | |
1552 | out: |
1553 | free(sc->sc_sensor, M_DEVBUF); |
1554 | sysmon_envsys_destroy(sc->sc_sme); |
1555 | return EINVAL; |
1556 | } |
1557 | |
1558 | void |
1559 | ciss_sensor_refresh(struct sysmon_envsys *sme, envsys_data_t *edata) |
1560 | { |
1561 | struct ciss_softc *sc = sme->sme_cookie; |
1562 | struct bioc_vol bv; |
1563 | |
1564 | if (edata->sensor >= sc->maxunits) |
1565 | return; |
1566 | |
1567 | memset(&bv, 0, sizeof(bv)); |
1568 | bv.bv_volid = edata->sensor; |
1569 | if (ciss_ioctl_vol(sc, &bv)) |
1570 | bv.bv_status = BIOC_SVINVALID; |
1571 | |
1572 | bio_vol_to_envsys(edata, &bv); |
1573 | } |
1574 | #endif /* NBIO > 0 */ |
1575 | |