mpt_netbsd.c revision 1.3 1 1.3 thorpej /* $NetBSD: mpt_netbsd.c,v 1.3 2003/04/16 23:16:41 thorpej Exp $ */
2 1.1 thorpej
3 1.1 thorpej /*
4 1.1 thorpej * Copyright (c) 2003 Wasabi Systems, Inc.
5 1.1 thorpej * All rights reserved.
6 1.1 thorpej *
7 1.1 thorpej * Written by Jason R. Thorpe for Wasabi Systems, Inc.
8 1.1 thorpej *
9 1.1 thorpej * Redistribution and use in source and binary forms, with or without
10 1.1 thorpej * modification, are permitted provided that the following conditions
11 1.1 thorpej * are met:
12 1.1 thorpej * 1. Redistributions of source code must retain the above copyright
13 1.1 thorpej * notice, this list of conditions and the following disclaimer.
14 1.1 thorpej * 2. Redistributions in binary form must reproduce the above copyright
15 1.1 thorpej * notice, this list of conditions and the following disclaimer in the
16 1.1 thorpej * documentation and/or other materials provided with the distribution.
17 1.1 thorpej * 3. All advertising materials mentioning features or use of this software
18 1.1 thorpej * must display the following acknowledgement:
19 1.1 thorpej * This product includes software developed for the NetBSD Project by
20 1.1 thorpej * Wasabi Systems, Inc.
21 1.1 thorpej * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 1.1 thorpej * or promote products derived from this software without specific prior
23 1.1 thorpej * written permission.
24 1.1 thorpej *
25 1.1 thorpej * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 1.1 thorpej * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 1.1 thorpej * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 1.1 thorpej * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 1.1 thorpej * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 1.1 thorpej * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 1.1 thorpej * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 1.1 thorpej * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 1.1 thorpej * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 1.1 thorpej * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 1.1 thorpej * POSSIBILITY OF SUCH DAMAGE.
36 1.1 thorpej */
37 1.1 thorpej
38 1.1 thorpej /*
39 1.1 thorpej * Copyright (c) 2000, 2001 by Greg Ansley
40 1.1 thorpej * Partially derived from Matt Jacob's ISP driver.
41 1.1 thorpej *
42 1.1 thorpej * Redistribution and use in source and binary forms, with or without
43 1.1 thorpej * modification, are permitted provided that the following conditions
44 1.1 thorpej * are met:
45 1.1 thorpej * 1. Redistributions of source code must retain the above copyright
46 1.1 thorpej * notice immediately at the beginning of the file, without modification,
47 1.1 thorpej * this list of conditions, and the following disclaimer.
48 1.1 thorpej * 2. The name of the author may not be used to endorse or promote products
49 1.1 thorpej * derived from this software without specific prior written permission.
50 1.1 thorpej *
51 1.1 thorpej * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
52 1.1 thorpej * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
53 1.1 thorpej * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
54 1.1 thorpej * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
55 1.1 thorpej * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
56 1.1 thorpej * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
57 1.1 thorpej * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
58 1.1 thorpej * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
59 1.1 thorpej * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
60 1.1 thorpej * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
61 1.1 thorpej * SUCH DAMAGE.
62 1.1 thorpej */
63 1.1 thorpej /*
64 1.1 thorpej * Additional Copyright (c) 2002 by Matthew Jacob under same license.
65 1.1 thorpej */
66 1.1 thorpej
67 1.1 thorpej /*
68 1.1 thorpej * mpt_netbsd.c:
69 1.1 thorpej *
70 1.1 thorpej * NetBSD-specific routines for LSI Fusion adapters. Includes some
71 1.1 thorpej * bus_dma glue, and SCSIPI glue.
72 1.1 thorpej *
73 1.1 thorpej * Adapted from the FreeBSD "mpt" driver by Jason R. Thorpe for
74 1.1 thorpej * Wasabi Systems, Inc.
75 1.1 thorpej */
76 1.1 thorpej
77 1.1 thorpej #include <dev/ic/mpt.h> /* pulls in all headers */
78 1.1 thorpej
79 1.1 thorpej #include <machine/stdarg.h> /* for mpt_prt() */
80 1.1 thorpej
81 1.1 thorpej static int mpt_poll(mpt_softc_t *, struct scsipi_xfer *, int);
82 1.1 thorpej static void mpt_timeout(void *);
83 1.1 thorpej static void mpt_done(mpt_softc_t *, uint32_t);
84 1.1 thorpej static void mpt_run_xfer(mpt_softc_t *, struct scsipi_xfer *);
85 1.1 thorpej static void mpt_set_xfer_mode(mpt_softc_t *, struct scsipi_xfer_mode *);
86 1.1 thorpej static void mpt_get_xfer_mode(mpt_softc_t *, struct scsipi_periph *);
87 1.1 thorpej static void mpt_ctlop(mpt_softc_t *, void *vmsg, uint32_t);
88 1.1 thorpej static void mpt_event_notify_reply(mpt_softc_t *, MSG_EVENT_NOTIFY_REPLY *);
89 1.1 thorpej
90 1.1 thorpej static void mpt_scsipi_request(struct scsipi_channel *,
91 1.1 thorpej scsipi_adapter_req_t, void *);
92 1.1 thorpej static void mpt_minphys(struct buf *);
93 1.1 thorpej
94 1.1 thorpej void
95 1.1 thorpej mpt_scsipi_attach(mpt_softc_t *mpt)
96 1.1 thorpej {
97 1.1 thorpej struct scsipi_adapter *adapt = &mpt->sc_adapter;
98 1.1 thorpej struct scsipi_channel *chan = &mpt->sc_channel;
99 1.1 thorpej int maxq;
100 1.1 thorpej
101 1.1 thorpej mpt->bus = 0; /* XXX ?? */
102 1.1 thorpej
103 1.1 thorpej maxq = (mpt->mpt_global_credits < MPT_MAX_REQUESTS(mpt)) ?
104 1.1 thorpej mpt->mpt_global_credits : MPT_MAX_REQUESTS(mpt);
105 1.1 thorpej
106 1.1 thorpej /* Fill in the scsipi_adapter. */
107 1.1 thorpej memset(adapt, 0, sizeof(*adapt));
108 1.1 thorpej adapt->adapt_dev = &mpt->sc_dev;
109 1.1 thorpej adapt->adapt_nchannels = 1;
110 1.1 thorpej adapt->adapt_openings = maxq;
111 1.1 thorpej adapt->adapt_max_periph = maxq;
112 1.1 thorpej adapt->adapt_request = mpt_scsipi_request;
113 1.1 thorpej adapt->adapt_minphys = mpt_minphys;
114 1.1 thorpej
115 1.1 thorpej /* Fill in the scsipi_channel. */
116 1.1 thorpej memset(chan, 0, sizeof(*chan));
117 1.1 thorpej chan->chan_adapter = adapt;
118 1.1 thorpej chan->chan_bustype = &scsi_bustype;
119 1.1 thorpej chan->chan_channel = 0;
120 1.1 thorpej chan->chan_flags = 0;
121 1.1 thorpej chan->chan_nluns = 8;
122 1.1 thorpej if (mpt->is_fc) {
123 1.1 thorpej chan->chan_ntargets = 256;
124 1.1 thorpej chan->chan_id = 256;
125 1.1 thorpej } else {
126 1.1 thorpej chan->chan_ntargets = 16;
127 1.1 thorpej chan->chan_id = mpt->mpt_ini_id;
128 1.1 thorpej }
129 1.1 thorpej
130 1.1 thorpej (void) config_found(&mpt->sc_dev, &mpt->sc_channel, scsiprint);
131 1.1 thorpej }
132 1.1 thorpej
133 1.1 thorpej int
134 1.1 thorpej mpt_dma_mem_alloc(mpt_softc_t *mpt)
135 1.1 thorpej {
136 1.1 thorpej bus_dma_segment_t reply_seg, request_seg;
137 1.1 thorpej int reply_rseg, request_rseg;
138 1.1 thorpej bus_addr_t pptr, end;
139 1.1 thorpej caddr_t vptr;
140 1.1 thorpej size_t len;
141 1.1 thorpej int error, i;
142 1.1 thorpej
143 1.1 thorpej /* Check if we have already allocated the reply memory. */
144 1.1 thorpej if (mpt->reply != NULL)
145 1.1 thorpej return (0);
146 1.1 thorpej
147 1.1 thorpej /*
148 1.1 thorpej * Allocate the request pool. This isn't really DMA'd memory,
149 1.1 thorpej * but it's a convenient place to do it.
150 1.1 thorpej */
151 1.1 thorpej len = sizeof(request_t) * MPT_MAX_REQUESTS(mpt);
152 1.1 thorpej mpt->request_pool = malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
153 1.1 thorpej if (mpt->request_pool == NULL) {
154 1.1 thorpej aprint_error("%s: unable to allocate request pool\n",
155 1.1 thorpej mpt->sc_dev.dv_xname);
156 1.1 thorpej return (ENOMEM);
157 1.1 thorpej }
158 1.1 thorpej
159 1.1 thorpej /*
160 1.1 thorpej * Allocate DMA resources for reply buffers.
161 1.1 thorpej */
162 1.1 thorpej error = bus_dmamem_alloc(mpt->sc_dmat, PAGE_SIZE, PAGE_SIZE, 0,
163 1.1 thorpej &reply_seg, 1, &reply_rseg, 0);
164 1.1 thorpej if (error) {
165 1.1 thorpej aprint_error("%s: unable to allocate reply area, error = %d\n",
166 1.1 thorpej mpt->sc_dev.dv_xname, error);
167 1.1 thorpej goto fail_0;
168 1.1 thorpej }
169 1.1 thorpej
170 1.1 thorpej error = bus_dmamem_map(mpt->sc_dmat, &reply_seg, reply_rseg, PAGE_SIZE,
171 1.1 thorpej (caddr_t *) &mpt->reply, BUS_DMA_COHERENT/*XXX*/);
172 1.1 thorpej if (error) {
173 1.1 thorpej aprint_error("%s: unable to map reply area, error = %d\n",
174 1.1 thorpej mpt->sc_dev.dv_xname, error);
175 1.1 thorpej goto fail_1;
176 1.1 thorpej }
177 1.1 thorpej
178 1.1 thorpej error = bus_dmamap_create(mpt->sc_dmat, PAGE_SIZE, 1, PAGE_SIZE,
179 1.1 thorpej 0, 0, &mpt->reply_dmap);
180 1.1 thorpej if (error) {
181 1.1 thorpej aprint_error("%s: unable to create reply DMA map, error = %d\n",
182 1.1 thorpej mpt->sc_dev.dv_xname, error);
183 1.1 thorpej goto fail_2;
184 1.1 thorpej }
185 1.1 thorpej
186 1.1 thorpej error = bus_dmamap_load(mpt->sc_dmat, mpt->reply_dmap, mpt->reply,
187 1.1 thorpej PAGE_SIZE, NULL, 0);
188 1.1 thorpej if (error) {
189 1.1 thorpej aprint_error("%s: unable to load reply DMA map, error = %d\n",
190 1.1 thorpej mpt->sc_dev.dv_xname, error);
191 1.1 thorpej goto fail_3;
192 1.1 thorpej }
193 1.1 thorpej mpt->reply_phys = mpt->reply_dmap->dm_segs[0].ds_addr;
194 1.1 thorpej
195 1.1 thorpej /*
196 1.1 thorpej * Allocate DMA resources for request buffers.
197 1.1 thorpej */
198 1.1 thorpej error = bus_dmamem_alloc(mpt->sc_dmat, MPT_REQ_MEM_SIZE(mpt),
199 1.1 thorpej PAGE_SIZE, 0, &request_seg, 1, &request_rseg, 0);
200 1.1 thorpej if (error) {
201 1.1 thorpej aprint_error("%s: unable to allocate request area, "
202 1.1 thorpej "error = %d\n", mpt->sc_dev.dv_xname, error);
203 1.1 thorpej goto fail_4;
204 1.1 thorpej }
205 1.1 thorpej
206 1.1 thorpej error = bus_dmamem_map(mpt->sc_dmat, &request_seg, request_rseg,
207 1.2 thorpej MPT_REQ_MEM_SIZE(mpt), (caddr_t *) &mpt->request, 0);
208 1.1 thorpej if (error) {
209 1.1 thorpej aprint_error("%s: unable to map request area, error = %d\n",
210 1.1 thorpej mpt->sc_dev.dv_xname, error);
211 1.1 thorpej goto fail_5;
212 1.1 thorpej }
213 1.1 thorpej
214 1.1 thorpej error = bus_dmamap_create(mpt->sc_dmat, MPT_REQ_MEM_SIZE(mpt), 1,
215 1.1 thorpej MPT_REQ_MEM_SIZE(mpt), 0, 0, &mpt->request_dmap);
216 1.1 thorpej if (error) {
217 1.1 thorpej aprint_error("%s: unable to create request DMA map, "
218 1.1 thorpej "error = %d\n", mpt->sc_dev.dv_xname, error);
219 1.1 thorpej goto fail_6;
220 1.1 thorpej }
221 1.1 thorpej
222 1.1 thorpej error = bus_dmamap_load(mpt->sc_dmat, mpt->request_dmap, mpt->request,
223 1.1 thorpej MPT_REQ_MEM_SIZE(mpt), NULL, 0);
224 1.1 thorpej if (error) {
225 1.1 thorpej aprint_error("%s: unable to load request DMA map, error = %d\n",
226 1.1 thorpej mpt->sc_dev.dv_xname, error);
227 1.1 thorpej goto fail_7;
228 1.1 thorpej }
229 1.1 thorpej mpt->request_phys = mpt->request_dmap->dm_segs[0].ds_addr;
230 1.1 thorpej
231 1.1 thorpej pptr = mpt->request_phys;
232 1.1 thorpej vptr = (caddr_t) mpt->request;
233 1.1 thorpej end = pptr + MPT_REQ_MEM_SIZE(mpt);
234 1.1 thorpej
235 1.1 thorpej for (i = 0; pptr < end; i++) {
236 1.1 thorpej request_t *req = &mpt->request_pool[i];
237 1.1 thorpej req->index = i;
238 1.1 thorpej
239 1.1 thorpej /* Store location of Request Data */
240 1.1 thorpej req->req_pbuf = pptr;
241 1.1 thorpej req->req_vbuf = vptr;
242 1.1 thorpej
243 1.1 thorpej pptr += MPT_REQUEST_AREA;
244 1.1 thorpej vptr += MPT_REQUEST_AREA;
245 1.1 thorpej
246 1.1 thorpej req->sense_pbuf = (pptr - MPT_SENSE_SIZE);
247 1.1 thorpej req->sense_vbuf = (vptr - MPT_SENSE_SIZE);
248 1.1 thorpej
249 1.1 thorpej error = bus_dmamap_create(mpt->sc_dmat, MAXBSIZE,
250 1.1 thorpej MPT_SGL_MAX, MAXBSIZE, 0, 0, &req->dmap);
251 1.1 thorpej if (error) {
252 1.1 thorpej aprint_error("%s: unable to create req %d DMA map, "
253 1.1 thorpej "error = %d\n", mpt->sc_dev.dv_xname, i, error);
254 1.1 thorpej goto fail_8;
255 1.1 thorpej }
256 1.1 thorpej }
257 1.1 thorpej
258 1.1 thorpej return (0);
259 1.1 thorpej
260 1.1 thorpej fail_8:
261 1.1 thorpej for (--i; i >= 0; i--) {
262 1.1 thorpej request_t *req = &mpt->request_pool[i];
263 1.3 thorpej if (req->dmap != NULL)
264 1.3 thorpej bus_dmamap_destroy(mpt->sc_dmat, req->dmap);
265 1.1 thorpej }
266 1.1 thorpej bus_dmamap_unload(mpt->sc_dmat, mpt->request_dmap);
267 1.1 thorpej fail_7:
268 1.1 thorpej bus_dmamap_destroy(mpt->sc_dmat, mpt->request_dmap);
269 1.1 thorpej fail_6:
270 1.1 thorpej bus_dmamem_unmap(mpt->sc_dmat, (caddr_t)mpt->request, PAGE_SIZE);
271 1.1 thorpej fail_5:
272 1.1 thorpej bus_dmamem_free(mpt->sc_dmat, &request_seg, request_rseg);
273 1.1 thorpej fail_4:
274 1.1 thorpej bus_dmamap_unload(mpt->sc_dmat, mpt->reply_dmap);
275 1.1 thorpej fail_3:
276 1.1 thorpej bus_dmamap_destroy(mpt->sc_dmat, mpt->reply_dmap);
277 1.1 thorpej fail_2:
278 1.1 thorpej bus_dmamem_unmap(mpt->sc_dmat, (caddr_t)mpt->reply, PAGE_SIZE);
279 1.1 thorpej fail_1:
280 1.1 thorpej bus_dmamem_free(mpt->sc_dmat, &reply_seg, reply_rseg);
281 1.1 thorpej fail_0:
282 1.1 thorpej free(mpt->request_pool, M_DEVBUF);
283 1.1 thorpej
284 1.1 thorpej mpt->reply = NULL;
285 1.1 thorpej mpt->request = NULL;
286 1.1 thorpej mpt->request_pool = NULL;
287 1.1 thorpej
288 1.1 thorpej return (error);
289 1.1 thorpej }
290 1.1 thorpej
291 1.1 thorpej int
292 1.1 thorpej mpt_intr(void *arg)
293 1.1 thorpej {
294 1.1 thorpej mpt_softc_t *mpt = arg;
295 1.1 thorpej int nrepl = 0;
296 1.1 thorpej uint32_t reply;
297 1.1 thorpej
298 1.1 thorpej if ((mpt_read(mpt, MPT_OFFSET_INTR_STATUS) & MPT_INTR_REPLY_READY) == 0)
299 1.1 thorpej return (0);
300 1.1 thorpej
301 1.1 thorpej reply = mpt_pop_reply_queue(mpt);
302 1.1 thorpej while (reply != MPT_REPLY_EMPTY) {
303 1.1 thorpej nrepl++;
304 1.1 thorpej if (mpt->verbose > 1) {
305 1.1 thorpej if ((reply & MPT_CONTEXT_REPLY) != 0) {
306 1.1 thorpej /* Address reply; IOC has something to say */
307 1.1 thorpej mpt_print_reply(MPT_REPLY_PTOV(mpt, reply));
308 1.1 thorpej } else {
309 1.1 thorpej /* Context reply; all went well */
310 1.1 thorpej mpt_prt(mpt, "context %u reply OK", reply);
311 1.1 thorpej }
312 1.1 thorpej }
313 1.1 thorpej mpt_done(mpt, reply);
314 1.1 thorpej reply = mpt_pop_reply_queue(mpt);
315 1.1 thorpej }
316 1.1 thorpej return (nrepl != 0);
317 1.1 thorpej }
318 1.1 thorpej
319 1.1 thorpej void
320 1.1 thorpej mpt_prt(mpt_softc_t *mpt, const char *fmt, ...)
321 1.1 thorpej {
322 1.1 thorpej va_list ap;
323 1.1 thorpej
324 1.1 thorpej printf("%s: ", mpt->sc_dev.dv_xname);
325 1.1 thorpej va_start(ap, fmt);
326 1.1 thorpej vprintf(fmt, ap);
327 1.1 thorpej va_end(ap);
328 1.1 thorpej printf("\n");
329 1.1 thorpej }
330 1.1 thorpej
331 1.1 thorpej static int
332 1.1 thorpej mpt_poll(mpt_softc_t *mpt, struct scsipi_xfer *xs, int count)
333 1.1 thorpej {
334 1.1 thorpej
335 1.1 thorpej /* Timeouts are in msec, so we loop in 1000usec cycles */
336 1.1 thorpej while (count) {
337 1.1 thorpej mpt_intr(mpt);
338 1.1 thorpej if (xs->xs_status & XS_STS_DONE)
339 1.1 thorpej return (0);
340 1.1 thorpej delay(1000); /* only happens in boot, so ok */
341 1.1 thorpej count--;
342 1.1 thorpej }
343 1.1 thorpej return (1);
344 1.1 thorpej }
345 1.1 thorpej
346 1.1 thorpej static void
347 1.1 thorpej mpt_timeout(void *arg)
348 1.1 thorpej {
349 1.1 thorpej request_t *req = arg;
350 1.1 thorpej struct scsipi_xfer *xs = req->xfer;
351 1.1 thorpej struct scsipi_periph *periph = xs->xs_periph;
352 1.1 thorpej mpt_softc_t *mpt =
353 1.1 thorpej (void *) periph->periph_channel->chan_adapter->adapt_dev;
354 1.1 thorpej uint32_t oseq;
355 1.1 thorpej int s;
356 1.1 thorpej
357 1.1 thorpej scsipi_printaddr(periph);
358 1.1 thorpej printf("command timeout\n");
359 1.1 thorpej
360 1.1 thorpej s = splbio();
361 1.1 thorpej
362 1.1 thorpej oseq = req->sequence;
363 1.1 thorpej mpt->timeouts++;
364 1.1 thorpej if (mpt_intr(mpt)) {
365 1.1 thorpej if (req->sequence != oseq) {
366 1.1 thorpej mpt_prt(mpt, "recovered from command timeout");
367 1.1 thorpej splx(s);
368 1.1 thorpej return;
369 1.1 thorpej }
370 1.1 thorpej }
371 1.1 thorpej mpt_prt(mpt,
372 1.1 thorpej "timeout on request index = 0x%x, seq = 0x%08x",
373 1.1 thorpej req->index, req->sequence);
374 1.1 thorpej mpt_check_doorbell(mpt);
375 1.1 thorpej mpt_prt(mpt, "Status 0x%08x, Mask 0x%08x, Doorbell 0x%08x",
376 1.1 thorpej mpt_read(mpt, MPT_OFFSET_INTR_STATUS),
377 1.1 thorpej mpt_read(mpt, MPT_OFFSET_INTR_MASK),
378 1.1 thorpej mpt_read(mpt, MPT_OFFSET_DOORBELL));
379 1.1 thorpej mpt_prt(mpt, "request state: %s", mpt_req_state(req->debug));
380 1.1 thorpej if (mpt->verbose > 1)
381 1.1 thorpej mpt_print_scsi_io_request((MSG_SCSI_IO_REQUEST *)req->req_vbuf);
382 1.1 thorpej
383 1.1 thorpej xs->error = XS_TIMEOUT;
384 1.1 thorpej scsipi_done(xs);
385 1.1 thorpej
386 1.1 thorpej /* XXX WHAT IF THE IOC IS STILL USING IT?? */
387 1.1 thorpej req->xfer = NULL;
388 1.1 thorpej mpt_free_request(mpt, req);
389 1.1 thorpej
390 1.1 thorpej splx(s);
391 1.1 thorpej }
392 1.1 thorpej
393 1.1 thorpej static void
394 1.1 thorpej mpt_done(mpt_softc_t *mpt, uint32_t reply)
395 1.1 thorpej {
396 1.1 thorpej struct scsipi_xfer *xs;
397 1.1 thorpej struct scsipi_periph *periph;
398 1.1 thorpej int index;
399 1.1 thorpej request_t *req;
400 1.1 thorpej MSG_REQUEST_HEADER *mpt_req;
401 1.1 thorpej MSG_SCSI_IO_REPLY *mpt_reply;
402 1.1 thorpej
403 1.1 thorpej if (__predict_true((reply & MPT_CONTEXT_REPLY) == 0)) {
404 1.1 thorpej /* context reply (ok) */
405 1.1 thorpej mpt_reply = NULL;
406 1.1 thorpej index = reply & MPT_CONTEXT_MASK;
407 1.1 thorpej } else {
408 1.1 thorpej /* address reply (error) */
409 1.1 thorpej
410 1.1 thorpej /* XXX BUS_DMASYNC_POSTREAD XXX */
411 1.1 thorpej mpt_reply = MPT_REPLY_PTOV(mpt, reply);
412 1.1 thorpej if (mpt->verbose > 1) {
413 1.1 thorpej uint32_t *pReply = (uint32_t *) mpt_reply;
414 1.1 thorpej
415 1.1 thorpej mpt_prt(mpt, "Address Reply (index %u):",
416 1.1 thorpej mpt_reply->MsgContext & 0xffff);
417 1.1 thorpej mpt_prt(mpt, "%08x %08x %08x %08x",
418 1.1 thorpej pReply[0], pReply[1], pReply[2], pReply[3]);
419 1.1 thorpej mpt_prt(mpt, "%08x %08x %08x %08x",
420 1.1 thorpej pReply[4], pReply[5], pReply[6], pReply[7]);
421 1.1 thorpej mpt_prt(mpt, "%08x %08x %08x %08x",
422 1.1 thorpej pReply[8], pReply[9], pReply[10], pReply[11]);
423 1.1 thorpej }
424 1.1 thorpej index = mpt_reply->MsgContext;
425 1.1 thorpej }
426 1.1 thorpej
427 1.1 thorpej /*
428 1.1 thorpej * Address reply with MessageContext high bit set.
429 1.1 thorpej * This is most likely a notify message, so we try
430 1.1 thorpej * to process it, then free it.
431 1.1 thorpej */
432 1.1 thorpej if (__predict_false((index & 0x80000000) != 0)) {
433 1.1 thorpej if (mpt_reply != NULL)
434 1.1 thorpej mpt_ctlop(mpt, mpt_reply, reply);
435 1.1 thorpej else
436 1.1 thorpej mpt_prt(mpt, "mpt_done: index 0x%x, NULL reply", index);
437 1.1 thorpej return;
438 1.1 thorpej }
439 1.1 thorpej
440 1.1 thorpej /* Did we end up with a valid index into the table? */
441 1.1 thorpej if (__predict_false(index < 0 || index >= MPT_MAX_REQUESTS(mpt))) {
442 1.1 thorpej mpt_prt(mpt, "mpt_done: invalid index (0x%x) in reply", index);
443 1.1 thorpej return;
444 1.1 thorpej }
445 1.1 thorpej
446 1.1 thorpej req = &mpt->request_pool[index];
447 1.1 thorpej
448 1.1 thorpej /* Make sure memory hasn't been trashed. */
449 1.1 thorpej if (__predict_false(req->index != index)) {
450 1.1 thorpej mpt_prt(mpt, "mpt_done: corrupted request_t (0x%x)", index);
451 1.1 thorpej return;
452 1.1 thorpej }
453 1.1 thorpej
454 1.2 thorpej MPT_SYNC_REQ(mpt, req, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
455 1.1 thorpej mpt_req = req->req_vbuf;
456 1.1 thorpej
457 1.1 thorpej /* Short cut for task management replies; nothing more for us to do. */
458 1.1 thorpej if (__predict_false(mpt_req->Function == MPI_FUNCTION_SCSI_TASK_MGMT)) {
459 1.1 thorpej if (mpt->verbose > 1)
460 1.1 thorpej mpt_prt(mpt, "mpt_done: TASK MGMT");
461 1.1 thorpej goto done;
462 1.1 thorpej }
463 1.1 thorpej
464 1.1 thorpej if (__predict_false(mpt_req->Function == MPI_FUNCTION_PORT_ENABLE))
465 1.1 thorpej goto done;
466 1.1 thorpej
467 1.1 thorpej /*
468 1.1 thorpej * At this point, it had better be a SCSI I/O command, but don't
469 1.1 thorpej * crash if it isn't.
470 1.1 thorpej */
471 1.1 thorpej if (__predict_false(mpt_req->Function !=
472 1.1 thorpej MPI_FUNCTION_SCSI_IO_REQUEST)) {
473 1.1 thorpej if (mpt->verbose > 1)
474 1.1 thorpej mpt_prt(mpt, "mpt_done: unknown Function 0x%x (0x%x)",
475 1.1 thorpej mpt_req->Function, index);
476 1.1 thorpej goto done;
477 1.1 thorpej }
478 1.1 thorpej
479 1.1 thorpej /* Recover scsipi_xfer from the request structure. */
480 1.1 thorpej xs = req->xfer;
481 1.1 thorpej
482 1.1 thorpej /* Can't have a SCSI command without a scsipi_xfer. */
483 1.1 thorpej if (__predict_false(xs == NULL)) {
484 1.1 thorpej mpt_prt(mpt,
485 1.1 thorpej "mpt_done: no scsipi_xfer, index = 0x%x, seq = 0x%08x",
486 1.1 thorpej req->index, req->sequence);
487 1.1 thorpej mpt_prt(mpt, "request state: %s", mpt_req_state(req->debug));
488 1.1 thorpej mpt_prt(mpt, "mpt_request:");
489 1.1 thorpej mpt_print_scsi_io_request((MSG_SCSI_IO_REQUEST *)req->req_vbuf);
490 1.1 thorpej
491 1.1 thorpej if (mpt_reply != NULL) {
492 1.1 thorpej mpt_prt(mpt, "mpt_reply:");
493 1.1 thorpej mpt_print_reply(mpt_reply);
494 1.1 thorpej } else {
495 1.1 thorpej mpt_prt(mpt, "context reply: 0x%08x", reply);
496 1.1 thorpej }
497 1.1 thorpej goto done;
498 1.1 thorpej }
499 1.1 thorpej
500 1.1 thorpej callout_stop(&xs->xs_callout);
501 1.1 thorpej
502 1.1 thorpej periph = xs->xs_periph;
503 1.1 thorpej
504 1.1 thorpej /*
505 1.1 thorpej * If we were a data transfer, unload the map that described
506 1.1 thorpej * the data buffer.
507 1.1 thorpej */
508 1.1 thorpej if (__predict_true(xs->datalen != 0)) {
509 1.1 thorpej bus_dmamap_sync(mpt->sc_dmat, req->dmap, 0,
510 1.1 thorpej req->dmap->dm_mapsize,
511 1.1 thorpej (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_POSTREAD
512 1.1 thorpej : BUS_DMASYNC_POSTWRITE);
513 1.1 thorpej bus_dmamap_unload(mpt->sc_dmat, req->dmap);
514 1.1 thorpej }
515 1.1 thorpej
516 1.1 thorpej if (__predict_true(mpt_reply == NULL)) {
517 1.1 thorpej /*
518 1.1 thorpej * Context reply; report that the command was
519 1.1 thorpej * successful!
520 1.1 thorpej *
521 1.1 thorpej * Also report the xfer mode, if necessary.
522 1.1 thorpej */
523 1.1 thorpej if (__predict_false(mpt->mpt_report_xfer_mode != 0)) {
524 1.1 thorpej if ((mpt->mpt_report_xfer_mode &
525 1.1 thorpej (1 << periph->periph_target)) != 0)
526 1.1 thorpej mpt_get_xfer_mode(mpt, periph);
527 1.1 thorpej }
528 1.1 thorpej xs->error = XS_NOERROR;
529 1.1 thorpej xs->status = SCSI_OK;
530 1.1 thorpej xs->resid = 0;
531 1.1 thorpej scsipi_done(xs);
532 1.1 thorpej goto done;
533 1.1 thorpej }
534 1.1 thorpej
535 1.1 thorpej xs->status = mpt_reply->SCSIStatus;
536 1.1 thorpej switch (mpt_reply->IOCStatus) {
537 1.1 thorpej case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
538 1.1 thorpej xs->error = XS_DRIVER_STUFFUP;
539 1.1 thorpej break;
540 1.1 thorpej
541 1.1 thorpej case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
542 1.1 thorpej /*
543 1.1 thorpej * Yikes! Tagged queue full comes through this path!
544 1.1 thorpej *
545 1.1 thorpej * So we'll change it to a status error and anything
546 1.1 thorpej * that returns status should probably be a status
547 1.1 thorpej * error as well.
548 1.1 thorpej */
549 1.1 thorpej xs->resid = xs->datalen - mpt_reply->TransferCount;
550 1.1 thorpej if (mpt_reply->SCSIState &
551 1.1 thorpej MPI_SCSI_STATE_NO_SCSI_STATUS) {
552 1.1 thorpej xs->error = XS_DRIVER_STUFFUP;
553 1.1 thorpej break;
554 1.1 thorpej }
555 1.1 thorpej /* FALLTHROUGH */
556 1.1 thorpej case MPI_IOCSTATUS_SUCCESS:
557 1.1 thorpej case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR:
558 1.1 thorpej switch (xs->status) {
559 1.1 thorpej case SCSI_OK:
560 1.1 thorpej /* Report the xfer mode, if necessary. */
561 1.1 thorpej if ((mpt->mpt_report_xfer_mode &
562 1.1 thorpej (1 << periph->periph_target)) != 0)
563 1.1 thorpej mpt_get_xfer_mode(mpt, periph);
564 1.1 thorpej xs->resid = 0;
565 1.1 thorpej break;
566 1.1 thorpej
567 1.1 thorpej case SCSI_CHECK:
568 1.1 thorpej xs->error = XS_SENSE;
569 1.1 thorpej break;
570 1.1 thorpej
571 1.1 thorpej case SCSI_BUSY:
572 1.1 thorpej case SCSI_QUEUE_FULL:
573 1.1 thorpej xs->error = XS_BUSY;
574 1.1 thorpej break;
575 1.1 thorpej
576 1.1 thorpej default:
577 1.1 thorpej scsipi_printaddr(periph);
578 1.1 thorpej printf("invalid status code %d\n", xs->status);
579 1.1 thorpej xs->error = XS_DRIVER_STUFFUP;
580 1.1 thorpej break;
581 1.1 thorpej }
582 1.1 thorpej break;
583 1.1 thorpej
584 1.1 thorpej case MPI_IOCSTATUS_BUSY:
585 1.1 thorpej case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
586 1.1 thorpej xs->error = XS_RESOURCE_SHORTAGE;
587 1.1 thorpej break;
588 1.1 thorpej
589 1.1 thorpej case MPI_IOCSTATUS_SCSI_INVALID_BUS:
590 1.1 thorpej case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
591 1.1 thorpej case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
592 1.1 thorpej xs->error = XS_SELTIMEOUT;
593 1.1 thorpej break;
594 1.1 thorpej
595 1.1 thorpej case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
596 1.1 thorpej xs->error = XS_DRIVER_STUFFUP;
597 1.1 thorpej break;
598 1.1 thorpej
599 1.1 thorpej case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
600 1.1 thorpej /* XXX What should we do here? */
601 1.1 thorpej break;
602 1.1 thorpej
603 1.1 thorpej case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
604 1.1 thorpej /* XXX */
605 1.1 thorpej xs->error = XS_DRIVER_STUFFUP;
606 1.1 thorpej break;
607 1.1 thorpej
608 1.1 thorpej case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
609 1.1 thorpej /* XXX */
610 1.1 thorpej xs->error = XS_DRIVER_STUFFUP;
611 1.1 thorpej break;
612 1.1 thorpej
613 1.1 thorpej case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
614 1.1 thorpej /* XXX This is a bus-reset */
615 1.1 thorpej xs->error = XS_DRIVER_STUFFUP;
616 1.1 thorpej break;
617 1.1 thorpej
618 1.1 thorpej default:
619 1.1 thorpej /* XXX unrecognized HBA error */
620 1.1 thorpej xs->error = XS_DRIVER_STUFFUP;
621 1.1 thorpej break;
622 1.1 thorpej }
623 1.1 thorpej
624 1.1 thorpej if (mpt_reply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
625 1.1 thorpej memcpy(&xs->sense.scsi_sense, req->sense_vbuf,
626 1.1 thorpej sizeof(xs->sense.scsi_sense));
627 1.1 thorpej } else if (mpt_reply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
628 1.1 thorpej /*
629 1.1 thorpej * This will cause the scsipi layer to issue
630 1.1 thorpej * a REQUEST SENSE.
631 1.1 thorpej */
632 1.1 thorpej if (xs->status == SCSI_CHECK)
633 1.1 thorpej xs->error = XS_BUSY;
634 1.1 thorpej }
635 1.1 thorpej
636 1.1 thorpej scsipi_done(xs);
637 1.1 thorpej done:
638 1.1 thorpej /* If IOC done with this requeset, free it up. */
639 1.1 thorpej if (mpt_reply == NULL || (mpt_reply->MsgFlags & 0x80) == 0)
640 1.1 thorpej mpt_free_request(mpt, req);
641 1.1 thorpej
642 1.1 thorpej /* If address reply, give the buffer back to the IOC. */
643 1.1 thorpej if (mpt_reply != NULL)
644 1.1 thorpej mpt_free_reply(mpt, (reply << 1));
645 1.1 thorpej }
646 1.1 thorpej
647 1.1 thorpej static void
648 1.1 thorpej mpt_run_xfer(mpt_softc_t *mpt, struct scsipi_xfer *xs)
649 1.1 thorpej {
650 1.1 thorpej struct scsipi_periph *periph = xs->xs_periph;
651 1.1 thorpej request_t *req;
652 1.1 thorpej MSG_SCSI_IO_REQUEST *mpt_req;
653 1.1 thorpej int error, s;
654 1.1 thorpej
655 1.1 thorpej s = splbio();
656 1.1 thorpej req = mpt_get_request(mpt);
657 1.1 thorpej if (__predict_false(req == NULL)) {
658 1.1 thorpej /* This should happen very infrequently. */
659 1.1 thorpej xs->error = XS_RESOURCE_SHORTAGE;
660 1.1 thorpej scsipi_done(xs);
661 1.1 thorpej splx(s);
662 1.1 thorpej return;
663 1.1 thorpej }
664 1.1 thorpej splx(s);
665 1.1 thorpej
666 1.1 thorpej /* Link the req and the scsipi_xfer. */
667 1.1 thorpej req->xfer = xs;
668 1.1 thorpej
669 1.1 thorpej /* Now we build the command for the IOC */
670 1.1 thorpej mpt_req = req->req_vbuf;
671 1.1 thorpej memset(mpt_req, 0, sizeof(*mpt_req));
672 1.1 thorpej
673 1.1 thorpej mpt_req->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
674 1.1 thorpej mpt_req->Bus = mpt->bus;
675 1.1 thorpej
676 1.1 thorpej mpt_req->SenseBufferLength =
677 1.1 thorpej (sizeof(xs->sense.scsi_sense) < MPT_SENSE_SIZE) ?
678 1.1 thorpej sizeof(xs->sense.scsi_sense) : MPT_SENSE_SIZE;
679 1.1 thorpej
680 1.1 thorpej /*
681 1.1 thorpej * We use the message context to find the request structure when
682 1.1 thorpej * we get the command completion interrupt from the IOC.
683 1.1 thorpej */
684 1.1 thorpej mpt_req->MsgContext = req->index;
685 1.1 thorpej
686 1.1 thorpej /* Which physical device to do the I/O on. */
687 1.1 thorpej mpt_req->TargetID = periph->periph_target;
688 1.1 thorpej mpt_req->LUN[1] = periph->periph_lun;
689 1.1 thorpej
690 1.1 thorpej /* Set the direction of the transfer. */
691 1.1 thorpej if (xs->xs_control & XS_CTL_DATA_IN)
692 1.1 thorpej mpt_req->Control = MPI_SCSIIO_CONTROL_READ;
693 1.1 thorpej else if (xs->xs_control & XS_CTL_DATA_OUT)
694 1.1 thorpej mpt_req->Control = MPI_SCSIIO_CONTROL_WRITE;
695 1.1 thorpej else
696 1.1 thorpej mpt_req->Control = MPI_SCSIIO_CONTROL_NODATATRANSFER;
697 1.1 thorpej
698 1.1 thorpej /* Set the queue behavior. */
699 1.1 thorpej if (__predict_true(mpt->is_fc ||
700 1.1 thorpej (mpt->mpt_tag_enable &
701 1.1 thorpej (1 << periph->periph_target)))) {
702 1.1 thorpej switch (XS_CTL_TAGTYPE(xs)) {
703 1.1 thorpej case XS_CTL_HEAD_TAG:
704 1.1 thorpej mpt_req->Control |= MPI_SCSIIO_CONTROL_HEADOFQ;
705 1.1 thorpej break;
706 1.1 thorpej
707 1.1 thorpej #if 0 /* XXX */
708 1.1 thorpej case XS_CTL_ACA_TAG:
709 1.1 thorpej mpt_req->Control |= MPI_SCSIIO_CONTROL_ACAQ;
710 1.1 thorpej break;
711 1.1 thorpej #endif
712 1.1 thorpej
713 1.1 thorpej case XS_CTL_ORDERED_TAG:
714 1.1 thorpej mpt_req->Control |= MPI_SCSIIO_CONTROL_ORDEREDQ;
715 1.1 thorpej break;
716 1.1 thorpej
717 1.1 thorpej case XS_CTL_SIMPLE_TAG:
718 1.1 thorpej mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ;
719 1.1 thorpej break;
720 1.1 thorpej
721 1.1 thorpej default:
722 1.1 thorpej if (mpt->is_fc)
723 1.1 thorpej mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ;
724 1.1 thorpej else
725 1.1 thorpej mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED;
726 1.1 thorpej break;
727 1.1 thorpej }
728 1.1 thorpej } else
729 1.1 thorpej mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED;
730 1.1 thorpej
731 1.1 thorpej if (__predict_false(mpt->is_fc == 0 &&
732 1.1 thorpej (mpt->mpt_disc_enable &
733 1.1 thorpej (1 << periph->periph_target)) == 0))
734 1.1 thorpej mpt_req->Control |= MPI_SCSIIO_CONTROL_NO_DISCONNECT;
735 1.1 thorpej
736 1.1 thorpej /* Copy the SCSI command block into place. */
737 1.1 thorpej memcpy(mpt_req->CDB, xs->cmd, xs->cmdlen);
738 1.1 thorpej
739 1.1 thorpej mpt_req->CDBLength = xs->cmdlen;
740 1.1 thorpej mpt_req->DataLength = xs->datalen;
741 1.1 thorpej mpt_req->SenseBufferLowAddr = req->sense_pbuf;
742 1.1 thorpej
743 1.1 thorpej /*
744 1.1 thorpej * Map the DMA transfer.
745 1.1 thorpej */
746 1.1 thorpej if (xs->datalen) {
747 1.1 thorpej SGE_SIMPLE32 *se;
748 1.1 thorpej
749 1.1 thorpej error = bus_dmamap_load(mpt->sc_dmat, req->dmap, xs->data,
750 1.1 thorpej xs->datalen, NULL,
751 1.1 thorpej ((xs->xs_control & XS_CTL_NOSLEEP) ? BUS_DMA_NOWAIT
752 1.1 thorpej : BUS_DMA_WAITOK) |
753 1.1 thorpej BUS_DMA_STREAMING |
754 1.1 thorpej ((xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMA_READ
755 1.1 thorpej : BUS_DMA_WRITE));
756 1.1 thorpej switch (error) {
757 1.1 thorpej case 0:
758 1.1 thorpej break;
759 1.1 thorpej
760 1.1 thorpej case ENOMEM:
761 1.1 thorpej case EAGAIN:
762 1.1 thorpej xs->error = XS_RESOURCE_SHORTAGE;
763 1.1 thorpej goto out_bad;
764 1.1 thorpej
765 1.1 thorpej default:
766 1.1 thorpej xs->error = XS_DRIVER_STUFFUP;
767 1.1 thorpej mpt_prt(mpt, "error %d loading DMA map", error);
768 1.1 thorpej out_bad:
769 1.1 thorpej s = splbio();
770 1.1 thorpej mpt_free_request(mpt, req);
771 1.1 thorpej scsipi_done(xs);
772 1.1 thorpej splx(s);
773 1.1 thorpej return;
774 1.1 thorpej }
775 1.1 thorpej
776 1.1 thorpej if (req->dmap->dm_nsegs > MPT_NSGL_FIRST(mpt)) {
777 1.1 thorpej int seg, i, nleft = req->dmap->dm_nsegs;
778 1.1 thorpej uint32_t flags;
779 1.1 thorpej SGE_CHAIN32 *ce;
780 1.1 thorpej
781 1.1 thorpej seg = 0;
782 1.1 thorpej
783 1.1 thorpej mpt_req->DataLength = xs->datalen;
784 1.1 thorpej flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT;
785 1.1 thorpej if (xs->xs_control & XS_CTL_DATA_OUT)
786 1.1 thorpej flags |= MPI_SGE_FLAGS_HOST_TO_IOC;
787 1.1 thorpej
788 1.1 thorpej se = (SGE_SIMPLE32 *) &mpt_req->SGL;
789 1.1 thorpej for (i = 0; i < MPT_NSGL_FIRST(mpt) - 1;
790 1.1 thorpej i++, se++, seg++) {
791 1.1 thorpej uint32_t tf;
792 1.1 thorpej
793 1.1 thorpej memset(se, 0, sizeof(*se));
794 1.1 thorpej se->Address = req->dmap->dm_segs[seg].ds_addr;
795 1.1 thorpej MPI_pSGE_SET_LENGTH(se,
796 1.1 thorpej req->dmap->dm_segs[seg].ds_len);
797 1.1 thorpej tf = flags;
798 1.1 thorpej if (i == MPT_NSGL_FIRST(mpt) - 2)
799 1.1 thorpej tf |= MPI_SGE_FLAGS_LAST_ELEMENT;
800 1.1 thorpej MPI_pSGE_SET_FLAGS(se, tf);
801 1.1 thorpej nleft--;
802 1.1 thorpej }
803 1.1 thorpej
804 1.1 thorpej /*
805 1.1 thorpej * Tell the IOC where to find the first chain element.
806 1.1 thorpej */
807 1.1 thorpej mpt_req->ChainOffset =
808 1.1 thorpej ((char *)se - (char *)mpt_req) >> 2;
809 1.1 thorpej
810 1.1 thorpej /*
811 1.1 thorpej * Until we're finished with all segments...
812 1.1 thorpej */
813 1.1 thorpej while (nleft) {
814 1.1 thorpej int ntodo;
815 1.1 thorpej
816 1.1 thorpej /*
817 1.1 thorpej * Construct the chain element that points to
818 1.1 thorpej * the next segment.
819 1.1 thorpej */
820 1.1 thorpej ce = (SGE_CHAIN32 *) se++;
821 1.1 thorpej if (nleft > MPT_NSGL(mpt)) {
822 1.1 thorpej ntodo = MPT_NSGL(mpt) - 1;
823 1.1 thorpej ce->NextChainOffset = (MPT_RQSL(mpt) -
824 1.1 thorpej sizeof(SGE_SIMPLE32)) >> 2;
825 1.1 thorpej } else {
826 1.1 thorpej ntodo = nleft;
827 1.1 thorpej ce->NextChainOffset = 0;
828 1.1 thorpej }
829 1.1 thorpej ce->Length = ntodo * sizeof(SGE_SIMPLE32);
830 1.1 thorpej ce->Address = req->req_pbuf +
831 1.1 thorpej ((char *)se - (char *)mpt_req);
832 1.1 thorpej ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT;
833 1.1 thorpej for (i = 0; i < ntodo; i++, se++, seg++) {
834 1.1 thorpej uint32_t tf;
835 1.1 thorpej
836 1.1 thorpej memset(se, 0, sizeof(*se));
837 1.1 thorpej se->Address =
838 1.1 thorpej req->dmap->dm_segs[seg].ds_addr;
839 1.1 thorpej MPI_pSGE_SET_LENGTH(se,
840 1.1 thorpej req->dmap->dm_segs[seg].ds_len);
841 1.1 thorpej tf = flags;
842 1.1 thorpej if (i == ntodo - 1) {
843 1.1 thorpej tf |=
844 1.1 thorpej MPI_SGE_FLAGS_LAST_ELEMENT;
845 1.1 thorpej if (ce->NextChainOffset == 0) {
846 1.1 thorpej tf |=
847 1.1 thorpej MPI_SGE_FLAGS_END_OF_LIST |
848 1.1 thorpej MPI_SGE_FLAGS_END_OF_BUFFER;
849 1.1 thorpej }
850 1.1 thorpej }
851 1.1 thorpej MPI_pSGE_SET_FLAGS(se, tf);
852 1.1 thorpej nleft--;
853 1.1 thorpej }
854 1.1 thorpej }
855 1.1 thorpej bus_dmamap_sync(mpt->sc_dmat, req->dmap, 0,
856 1.1 thorpej req->dmap->dm_mapsize,
857 1.1 thorpej (xs->xs_control & XS_CTL_DATA_IN) ?
858 1.1 thorpej BUS_DMASYNC_PREREAD
859 1.1 thorpej : BUS_DMASYNC_PREWRITE);
860 1.1 thorpej } else {
861 1.1 thorpej int i;
862 1.1 thorpej uint32_t flags;
863 1.1 thorpej
864 1.1 thorpej mpt_req->DataLength = xs->datalen;
865 1.1 thorpej flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT;
866 1.1 thorpej if (xs->xs_control & XS_CTL_DATA_OUT)
867 1.1 thorpej flags |= MPI_SGE_FLAGS_HOST_TO_IOC;
868 1.1 thorpej
869 1.1 thorpej /* Copy the segments into our SG list. */
870 1.1 thorpej se = (SGE_SIMPLE32 *) &mpt_req->SGL;
871 1.1 thorpej for (i = 0; i < req->dmap->dm_nsegs;
872 1.1 thorpej i++, se++) {
873 1.1 thorpej uint32_t tf;
874 1.1 thorpej
875 1.1 thorpej memset(se, 0, sizeof(*se));
876 1.1 thorpej se->Address = req->dmap->dm_segs[i].ds_addr;
877 1.1 thorpej MPI_pSGE_SET_LENGTH(se,
878 1.1 thorpej req->dmap->dm_segs[i].ds_len);
879 1.1 thorpej tf = flags;
880 1.1 thorpej if (i == req->dmap->dm_nsegs - 1) {
881 1.1 thorpej tf |=
882 1.1 thorpej MPI_SGE_FLAGS_LAST_ELEMENT |
883 1.1 thorpej MPI_SGE_FLAGS_END_OF_BUFFER |
884 1.1 thorpej MPI_SGE_FLAGS_END_OF_LIST;
885 1.1 thorpej }
886 1.1 thorpej MPI_pSGE_SET_FLAGS(se, tf);
887 1.1 thorpej }
888 1.1 thorpej bus_dmamap_sync(mpt->sc_dmat, req->dmap, 0,
889 1.1 thorpej req->dmap->dm_mapsize,
890 1.1 thorpej (xs->xs_control & XS_CTL_DATA_IN) ?
891 1.1 thorpej BUS_DMASYNC_PREREAD
892 1.1 thorpej : BUS_DMASYNC_PREWRITE);
893 1.1 thorpej }
894 1.1 thorpej } else {
895 1.1 thorpej /*
896 1.1 thorpej * No data to transfer; just make a single simple SGL
897 1.1 thorpej * with zero length.
898 1.1 thorpej */
899 1.1 thorpej SGE_SIMPLE32 *se = (SGE_SIMPLE32 *) &mpt_req->SGL;
900 1.1 thorpej memset(se, 0, sizeof(*se));
901 1.1 thorpej MPI_pSGE_SET_FLAGS(se,
902 1.1 thorpej (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER |
903 1.1 thorpej MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST));
904 1.1 thorpej }
905 1.1 thorpej
906 1.1 thorpej if (mpt->verbose > 1)
907 1.1 thorpej mpt_print_scsi_io_request(mpt_req);
908 1.1 thorpej
909 1.1 thorpej s = splbio();
910 1.1 thorpej if (__predict_true((xs->xs_control & XS_CTL_POLL) == 0))
911 1.1 thorpej callout_reset(&xs->xs_callout,
912 1.1 thorpej mstohz(xs->timeout), mpt_timeout, req);
913 1.1 thorpej mpt_send_cmd(mpt, req);
914 1.1 thorpej splx(s);
915 1.1 thorpej
916 1.1 thorpej if (__predict_true((xs->xs_control & XS_CTL_POLL) == 0))
917 1.1 thorpej return;
918 1.1 thorpej
919 1.1 thorpej /*
920 1.1 thorpej * If we can't use interrupts, poll on completion.
921 1.1 thorpej */
922 1.1 thorpej if (mpt_poll(mpt, xs, xs->timeout)) {
923 1.1 thorpej mpt_timeout(req);
924 1.1 thorpej if (mpt_poll(mpt, xs, xs->timeout))
925 1.1 thorpej mpt_timeout(req);
926 1.1 thorpej }
927 1.1 thorpej }
928 1.1 thorpej
929 1.1 thorpej static void
930 1.1 thorpej mpt_set_xfer_mode(mpt_softc_t *mpt, struct scsipi_xfer_mode *xm)
931 1.1 thorpej {
932 1.1 thorpej fCONFIG_PAGE_SCSI_DEVICE_1 tmp;
933 1.1 thorpej
934 1.1 thorpej if (mpt->is_fc) {
935 1.1 thorpej /*
936 1.1 thorpej * SCSI transport settings don't make any sense for
937 1.1 thorpej * Fibre Channel; silently ignore the request.
938 1.1 thorpej */
939 1.1 thorpej return;
940 1.1 thorpej }
941 1.1 thorpej
942 1.1 thorpej /*
943 1.1 thorpej * Always allow disconnect; we don't have a way to disable
944 1.1 thorpej * it right now, in any case.
945 1.1 thorpej */
946 1.1 thorpej mpt->mpt_disc_enable |= (1 << xm->xm_target);
947 1.1 thorpej
948 1.1 thorpej if (xm->xm_mode & PERIPH_CAP_TQING)
949 1.1 thorpej mpt->mpt_tag_enable |= (1 << xm->xm_target);
950 1.1 thorpej else
951 1.1 thorpej mpt->mpt_tag_enable &= ~(1 << xm->xm_target);
952 1.1 thorpej
953 1.1 thorpej tmp = mpt->mpt_dev_page1[xm->xm_target];
954 1.1 thorpej
955 1.1 thorpej /*
956 1.1 thorpej * Set the wide/narrow parameter for the target.
957 1.1 thorpej */
958 1.1 thorpej if (xm->xm_mode & PERIPH_CAP_WIDE16)
959 1.1 thorpej tmp.RequestedParameters |= MPI_SCSIDEVPAGE1_RP_WIDE;
960 1.1 thorpej else
961 1.1 thorpej tmp.RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_WIDE;
962 1.1 thorpej
963 1.1 thorpej /*
964 1.1 thorpej * Set the synchronous parameters for the target.
965 1.1 thorpej *
966 1.1 thorpej * XXX If we request sync transfers, we just go ahead and
967 1.1 thorpej * XXX request the maximum available. We need finer control
968 1.1 thorpej * XXX in order to implement Domain Validation.
969 1.1 thorpej */
970 1.1 thorpej tmp.RequestedParameters &= ~(MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK |
971 1.1 thorpej MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK |
972 1.1 thorpej MPI_SCSIDEVPAGE1_RP_DT | MPI_SCSIDEVPAGE1_RP_QAS |
973 1.1 thorpej MPI_SCSIDEVPAGE1_RP_IU);
974 1.1 thorpej if (xm->xm_mode & PERIPH_CAP_SYNC) {
975 1.1 thorpej int factor, offset, np;
976 1.1 thorpej
977 1.1 thorpej factor = (mpt->mpt_port_page0.Capabilities >> 8) & 0xff;
978 1.1 thorpej offset = (mpt->mpt_port_page0.Capabilities >> 16) & 0xff;
979 1.1 thorpej np = 0;
980 1.1 thorpej if (factor < 0x9) {
981 1.1 thorpej /* Ultra320 */
982 1.1 thorpej np |= MPI_SCSIDEVPAGE1_RP_QAS | MPI_SCSIDEVPAGE1_RP_IU;
983 1.1 thorpej }
984 1.1 thorpej if (factor < 0xa) {
985 1.1 thorpej /* at least Ultra160 */
986 1.1 thorpej np |= MPI_SCSIDEVPAGE1_RP_DT;
987 1.1 thorpej }
988 1.1 thorpej np |= (factor << 8) | (offset << 16);
989 1.1 thorpej tmp.RequestedParameters |= np;
990 1.1 thorpej }
991 1.1 thorpej
992 1.1 thorpej if (mpt_write_cfg_page(mpt, xm->xm_target, &tmp.Header)) {
993 1.1 thorpej mpt_prt(mpt, "unable to write Device Page 1");
994 1.1 thorpej return;
995 1.1 thorpej }
996 1.1 thorpej
997 1.1 thorpej if (mpt_read_cfg_page(mpt, xm->xm_target, &tmp.Header)) {
998 1.1 thorpej mpt_prt(mpt, "unable to read back Device Page 1");
999 1.1 thorpej return;
1000 1.1 thorpej }
1001 1.1 thorpej
1002 1.1 thorpej mpt->mpt_dev_page1[xm->xm_target] = tmp;
1003 1.1 thorpej if (mpt->verbose > 1) {
1004 1.1 thorpej mpt_prt(mpt,
1005 1.1 thorpej "SPI Target %d Page 1: RequestedParameters %x Config %x",
1006 1.1 thorpej xm->xm_target,
1007 1.1 thorpej mpt->mpt_dev_page1[xm->xm_target].RequestedParameters,
1008 1.1 thorpej mpt->mpt_dev_page1[xm->xm_target].Configuration);
1009 1.1 thorpej }
1010 1.1 thorpej
1011 1.1 thorpej /*
1012 1.1 thorpej * Make a note that we should perform an async callback at the
1013 1.1 thorpej * end of the next successful command completion to report the
1014 1.1 thorpej * negotiated transfer mode.
1015 1.1 thorpej */
1016 1.1 thorpej mpt->mpt_report_xfer_mode |= (1 << xm->xm_target);
1017 1.1 thorpej }
1018 1.1 thorpej
1019 1.1 thorpej static void
1020 1.1 thorpej mpt_get_xfer_mode(mpt_softc_t *mpt, struct scsipi_periph *periph)
1021 1.1 thorpej {
1022 1.1 thorpej fCONFIG_PAGE_SCSI_DEVICE_0 tmp;
1023 1.1 thorpej struct scsipi_xfer_mode xm;
1024 1.1 thorpej int period, offset;
1025 1.1 thorpej
1026 1.1 thorpej tmp = mpt->mpt_dev_page0[periph->periph_target];
1027 1.1 thorpej if (mpt_read_cfg_page(mpt, periph->periph_target, &tmp.Header)) {
1028 1.1 thorpej mpt_prt(mpt, "unable to read Device Page 0");
1029 1.1 thorpej return;
1030 1.1 thorpej }
1031 1.1 thorpej
1032 1.1 thorpej if (mpt->verbose > 1) {
1033 1.1 thorpej mpt_prt(mpt,
1034 1.1 thorpej "SPI Tgt %d Page 0: NParms %x Information %x",
1035 1.1 thorpej periph->periph_target,
1036 1.1 thorpej tmp.NegotiatedParameters, tmp.Information);
1037 1.1 thorpej }
1038 1.1 thorpej
1039 1.1 thorpej xm.xm_target = periph->periph_target;
1040 1.1 thorpej xm.xm_mode = 0;
1041 1.1 thorpej
1042 1.1 thorpej if (tmp.NegotiatedParameters & MPI_SCSIDEVPAGE0_NP_WIDE)
1043 1.1 thorpej xm.xm_mode |= PERIPH_CAP_WIDE16;
1044 1.1 thorpej
1045 1.1 thorpej period = (tmp.NegotiatedParameters >> 8) & 0xff;
1046 1.1 thorpej offset = (tmp.NegotiatedParameters >> 16) & 0xff;
1047 1.1 thorpej if (offset) {
1048 1.1 thorpej xm.xm_period = period;
1049 1.1 thorpej xm.xm_offset = offset;
1050 1.1 thorpej xm.xm_mode |= PERIPH_CAP_SYNC;
1051 1.1 thorpej }
1052 1.1 thorpej
1053 1.1 thorpej /*
1054 1.1 thorpej * Tagged queueing is all controlled by us; there is no
1055 1.1 thorpej * other setting to query.
1056 1.1 thorpej */
1057 1.1 thorpej if (mpt->mpt_tag_enable & (1 << periph->periph_target))
1058 1.1 thorpej xm.xm_mode |= PERIPH_CAP_TQING;
1059 1.1 thorpej
1060 1.1 thorpej /*
1061 1.1 thorpej * We're going to deliver the async event, so clear the marker.
1062 1.1 thorpej */
1063 1.1 thorpej mpt->mpt_report_xfer_mode &= ~(1 << periph->periph_target);
1064 1.1 thorpej
1065 1.1 thorpej scsipi_async_event(&mpt->sc_channel, ASYNC_EVENT_XFER_MODE, &xm);
1066 1.1 thorpej }
1067 1.1 thorpej
1068 1.1 thorpej static void
1069 1.1 thorpej mpt_ctlop(mpt_softc_t *mpt, void *vmsg, uint32_t reply)
1070 1.1 thorpej {
1071 1.1 thorpej MSG_DEFAULT_REPLY *dmsg = vmsg;
1072 1.1 thorpej
1073 1.1 thorpej switch (dmsg->Function) {
1074 1.1 thorpej case MPI_FUNCTION_EVENT_NOTIFICATION:
1075 1.1 thorpej mpt_event_notify_reply(mpt, vmsg);
1076 1.1 thorpej mpt_free_reply(mpt, (reply << 1));
1077 1.1 thorpej break;
1078 1.1 thorpej
1079 1.1 thorpej case MPI_FUNCTION_EVENT_ACK:
1080 1.1 thorpej mpt_free_reply(mpt, (reply << 1));
1081 1.1 thorpej break;
1082 1.1 thorpej
1083 1.1 thorpej case MPI_FUNCTION_PORT_ENABLE:
1084 1.1 thorpej {
1085 1.1 thorpej MSG_PORT_ENABLE_REPLY *msg = vmsg;
1086 1.1 thorpej int index = msg->MsgContext & ~0x80000000;
1087 1.1 thorpej if (mpt->verbose > 1)
1088 1.1 thorpej mpt_prt(mpt, "enable port reply index %d", index);
1089 1.1 thorpej if (index >= 0 && index < MPT_MAX_REQUESTS(mpt)) {
1090 1.1 thorpej request_t *req = &mpt->request_pool[index];
1091 1.1 thorpej req->debug = REQ_DONE;
1092 1.1 thorpej }
1093 1.1 thorpej mpt_free_reply(mpt, (reply << 1));
1094 1.1 thorpej break;
1095 1.1 thorpej }
1096 1.1 thorpej
1097 1.1 thorpej case MPI_FUNCTION_CONFIG:
1098 1.1 thorpej {
1099 1.1 thorpej MSG_CONFIG_REPLY *msg = vmsg;
1100 1.1 thorpej int index = msg->MsgContext & ~0x80000000;
1101 1.1 thorpej if (index >= 0 && index < MPT_MAX_REQUESTS(mpt)) {
1102 1.1 thorpej request_t *req = &mpt->request_pool[index];
1103 1.1 thorpej req->debug = REQ_DONE;
1104 1.1 thorpej req->sequence = reply;
1105 1.1 thorpej } else
1106 1.1 thorpej mpt_free_reply(mpt, (reply << 1));
1107 1.1 thorpej break;
1108 1.1 thorpej }
1109 1.1 thorpej
1110 1.1 thorpej default:
1111 1.1 thorpej mpt_prt(mpt, "unknown ctlop: 0x%x", dmsg->Function);
1112 1.1 thorpej }
1113 1.1 thorpej }
1114 1.1 thorpej
1115 1.1 thorpej static void
1116 1.1 thorpej mpt_event_notify_reply(mpt_softc_t *mpt, MSG_EVENT_NOTIFY_REPLY *msg)
1117 1.1 thorpej {
1118 1.1 thorpej
1119 1.1 thorpej switch (msg->Event) {
1120 1.1 thorpej case MPI_EVENT_LOG_DATA:
1121 1.1 thorpej {
1122 1.1 thorpej int i;
1123 1.1 thorpej
1124 1.1 thorpej /* Some error occurrerd that the Fusion wants logged. */
1125 1.1 thorpej mpt_prt(mpt, "EvtLogData: IOCLogInfo: 0x%08x", msg->IOCLogInfo);
1126 1.1 thorpej mpt_prt(mpt, "EvtLogData: Event Data:");
1127 1.1 thorpej for (i = 0; i < msg->EventDataLength; i++) {
1128 1.1 thorpej if ((i % 4) == 0)
1129 1.1 thorpej printf("%s:\t", mpt->sc_dev.dv_xname);
1130 1.1 thorpej printf("0x%08x%c", msg->Data[i],
1131 1.1 thorpej ((i % 4) == 3) ? '\n' : ' ');
1132 1.1 thorpej }
1133 1.1 thorpej if ((i % 4) != 0)
1134 1.1 thorpej printf("\n");
1135 1.1 thorpej break;
1136 1.1 thorpej }
1137 1.1 thorpej
1138 1.1 thorpej case MPI_EVENT_UNIT_ATTENTION:
1139 1.1 thorpej mpt_prt(mpt, "Unit Attn: Bus 0x%02x Target 0x%02x",
1140 1.1 thorpej (msg->Data[0] >> 8) & 0xff, msg->Data[0] & 0xff);
1141 1.1 thorpej break;
1142 1.1 thorpej
1143 1.1 thorpej case MPI_EVENT_IOC_BUS_RESET:
1144 1.1 thorpej /* We generated a bus reset. */
1145 1.1 thorpej mpt_prt(mpt, "IOC Bus Reset Port %d",
1146 1.1 thorpej (msg->Data[0] >> 8) & 0xff);
1147 1.1 thorpej break;
1148 1.1 thorpej
1149 1.1 thorpej case MPI_EVENT_EXT_BUS_RESET:
1150 1.1 thorpej /* Someone else generated a bus reset. */
1151 1.1 thorpej mpt_prt(mpt, "External Bus Reset");
1152 1.1 thorpej /*
1153 1.1 thorpej * These replies don't return EventData like the MPI
1154 1.1 thorpej * spec says they do.
1155 1.1 thorpej */
1156 1.1 thorpej /* XXX Send an async event? */
1157 1.1 thorpej break;
1158 1.1 thorpej
1159 1.1 thorpej case MPI_EVENT_RESCAN:
1160 1.1 thorpej /*
1161 1.1 thorpej * In general, thise means a device has been added
1162 1.1 thorpej * to the loop.
1163 1.1 thorpej */
1164 1.1 thorpej mpt_prt(mpt, "Rescan Port %d", (msg->Data[0] >> 8) & 0xff);
1165 1.1 thorpej /* XXX Send an async event? */
1166 1.1 thorpej break;
1167 1.1 thorpej
1168 1.1 thorpej case MPI_EVENT_LINK_STATUS_CHANGE:
1169 1.1 thorpej mpt_prt(mpt, "Port %d: Link state %s",
1170 1.1 thorpej (msg->Data[1] >> 8) & 0xff,
1171 1.1 thorpej (msg->Data[0] & 0xff) == 0 ? "Failed" : "Active");
1172 1.1 thorpej break;
1173 1.1 thorpej
1174 1.1 thorpej case MPI_EVENT_LOOP_STATE_CHANGE:
1175 1.1 thorpej switch ((msg->Data[0] >> 16) & 0xff) {
1176 1.1 thorpej case 0x01:
1177 1.1 thorpej mpt_prt(mpt,
1178 1.1 thorpej "Port %d: FC Link Event: LIP(%02x,%02x) "
1179 1.1 thorpej "(Loop Initialization)",
1180 1.1 thorpej (msg->Data[1] >> 8) & 0xff,
1181 1.1 thorpej (msg->Data[0] >> 8) & 0xff,
1182 1.1 thorpej (msg->Data[0] ) & 0xff);
1183 1.1 thorpej switch ((msg->Data[0] >> 8) & 0xff) {
1184 1.1 thorpej case 0xf7:
1185 1.1 thorpej if ((msg->Data[0] & 0xff) == 0xf7)
1186 1.1 thorpej mpt_prt(mpt, "\tDevice needs AL_PA");
1187 1.1 thorpej else
1188 1.1 thorpej mpt_prt(mpt, "\tDevice %02x doesn't "
1189 1.1 thorpej "like FC performance",
1190 1.1 thorpej msg->Data[0] & 0xff);
1191 1.1 thorpej break;
1192 1.1 thorpej
1193 1.1 thorpej case 0xf8:
1194 1.1 thorpej if ((msg->Data[0] & 0xff) == 0xf7)
1195 1.1 thorpej mpt_prt(mpt, "\tDevice detected loop "
1196 1.1 thorpej "failure before acquiring AL_PA");
1197 1.1 thorpej else
1198 1.1 thorpej mpt_prt(mpt, "\tDevice %02x detected "
1199 1.1 thorpej "loop failure",
1200 1.1 thorpej msg->Data[0] & 0xff);
1201 1.1 thorpej break;
1202 1.1 thorpej
1203 1.1 thorpej default:
1204 1.1 thorpej mpt_prt(mpt, "\tDevice %02x requests that "
1205 1.1 thorpej "device %02x reset itself",
1206 1.1 thorpej msg->Data[0] & 0xff,
1207 1.1 thorpej (msg->Data[0] >> 8) & 0xff);
1208 1.1 thorpej break;
1209 1.1 thorpej }
1210 1.1 thorpej break;
1211 1.1 thorpej
1212 1.1 thorpej case 0x02:
1213 1.1 thorpej mpt_prt(mpt, "Port %d: FC Link Event: LPE(%02x,%02x) "
1214 1.1 thorpej "(Loop Port Enable)",
1215 1.1 thorpej (msg->Data[1] >> 8) & 0xff,
1216 1.1 thorpej (msg->Data[0] >> 8) & 0xff,
1217 1.1 thorpej (msg->Data[0] ) & 0xff);
1218 1.1 thorpej break;
1219 1.1 thorpej
1220 1.1 thorpej case 0x03:
1221 1.1 thorpej mpt_prt(mpt, "Port %d: FC Link Event: LPB(%02x,%02x) "
1222 1.1 thorpej "(Loop Port Bypass)",
1223 1.1 thorpej (msg->Data[1] >> 8) & 0xff,
1224 1.1 thorpej (msg->Data[0] >> 8) & 0xff,
1225 1.1 thorpej (msg->Data[0] ) & 0xff);
1226 1.1 thorpej break;
1227 1.1 thorpej
1228 1.1 thorpej default:
1229 1.1 thorpej mpt_prt(mpt, "Port %d: FC Link Event: "
1230 1.1 thorpej "Unknown event (%02x %02x %02x)",
1231 1.1 thorpej (msg->Data[1] >> 8) & 0xff,
1232 1.1 thorpej (msg->Data[0] >> 16) & 0xff,
1233 1.1 thorpej (msg->Data[0] >> 8) & 0xff,
1234 1.1 thorpej (msg->Data[0] ) & 0xff);
1235 1.1 thorpej break;
1236 1.1 thorpej }
1237 1.1 thorpej break;
1238 1.1 thorpej
1239 1.1 thorpej case MPI_EVENT_LOGOUT:
1240 1.1 thorpej mpt_prt(mpt, "Port %d: FC Logout: N_PortID: %02x",
1241 1.1 thorpej (msg->Data[1] >> 8) & 0xff, msg->Data[0]);
1242 1.1 thorpej break;
1243 1.1 thorpej
1244 1.1 thorpej case MPI_EVENT_EVENT_CHANGE:
1245 1.1 thorpej /*
1246 1.1 thorpej * This is just an acknowledgement of our
1247 1.1 thorpej * mpt_send_event_request().
1248 1.1 thorpej */
1249 1.1 thorpej break;
1250 1.1 thorpej
1251 1.1 thorpej default:
1252 1.1 thorpej mpt_prt(mpt, "Unknown async event: 0x%x", msg->Event);
1253 1.1 thorpej break;
1254 1.1 thorpej }
1255 1.1 thorpej
1256 1.1 thorpej if (msg->AckRequired) {
1257 1.1 thorpej MSG_EVENT_ACK *ackp;
1258 1.1 thorpej request_t *req;
1259 1.1 thorpej
1260 1.1 thorpej if ((req = mpt_get_request(mpt)) == NULL) {
1261 1.1 thorpej /* XXX XXX XXX XXXJRT */
1262 1.1 thorpej panic("mpt_event_notify_reply: unable to allocate "
1263 1.1 thorpej "request structure");
1264 1.1 thorpej }
1265 1.1 thorpej
1266 1.1 thorpej ackp = (MSG_EVENT_ACK *) req->req_vbuf;
1267 1.1 thorpej memset(ackp, 0, sizeof(*ackp));
1268 1.1 thorpej ackp->Function = MPI_FUNCTION_EVENT_ACK;
1269 1.1 thorpej ackp->Event = msg->Event;
1270 1.1 thorpej ackp->EventContext = msg->EventContext;
1271 1.1 thorpej ackp->MsgContext = req->index | 0x80000000;
1272 1.1 thorpej mpt_check_doorbell(mpt);
1273 1.1 thorpej mpt_send_cmd(mpt, req);
1274 1.1 thorpej }
1275 1.1 thorpej }
1276 1.1 thorpej
1277 1.1 thorpej /* XXXJRT mpt_bus_reset() */
1278 1.1 thorpej
1279 1.1 thorpej /*****************************************************************************
1280 1.1 thorpej * SCSI interface routines
1281 1.1 thorpej *****************************************************************************/
1282 1.1 thorpej
1283 1.1 thorpej static void
1284 1.1 thorpej mpt_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req,
1285 1.1 thorpej void *arg)
1286 1.1 thorpej {
1287 1.1 thorpej struct scsipi_adapter *adapt = chan->chan_adapter;
1288 1.1 thorpej mpt_softc_t *mpt = (void *) adapt->adapt_dev;
1289 1.1 thorpej
1290 1.1 thorpej switch (req) {
1291 1.1 thorpej case ADAPTER_REQ_RUN_XFER:
1292 1.1 thorpej mpt_run_xfer(mpt, (struct scsipi_xfer *) arg);
1293 1.1 thorpej return;
1294 1.1 thorpej
1295 1.1 thorpej case ADAPTER_REQ_GROW_RESOURCES:
1296 1.1 thorpej /* Not supported. */
1297 1.1 thorpej return;
1298 1.1 thorpej
1299 1.1 thorpej case ADAPTER_REQ_SET_XFER_MODE:
1300 1.1 thorpej mpt_set_xfer_mode(mpt, (struct scsipi_xfer_mode *) arg);
1301 1.1 thorpej return;
1302 1.1 thorpej }
1303 1.1 thorpej }
1304 1.1 thorpej
1305 1.1 thorpej static void
1306 1.1 thorpej mpt_minphys(struct buf *bp)
1307 1.1 thorpej {
1308 1.1 thorpej
1309 1.1 thorpej /*
1310 1.1 thorpej * Subtract one from the SGL limit, since we need an extra one to handle
1311 1.1 thorpej * an non-page-aligned transfer.
1312 1.1 thorpej */
1313 1.1 thorpej #define MPT_MAX_XFER ((MPT_SGL_MAX - 1) * PAGE_SIZE)
1314 1.1 thorpej
1315 1.1 thorpej if (bp->b_bcount > MPT_MAX_XFER)
1316 1.1 thorpej bp->b_bcount = MPT_MAX_XFER;
1317 1.1 thorpej minphys(bp);
1318 1.1 thorpej }
1319