1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2009-2020 Alexander Motin <[email protected]>
5 * Copyright (c) 1997-2009 by Matthew Jacob
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 */
31 /*
32 * Machine and OS Independent Target Mode Code for the Qlogic FC adapters.
33 */
34 /*
35 * Bug fixes gratefully acknowledged from:
36 * Oded Kedem <[email protected]>
37 */
38 /*
39 * Include header file appropriate for platform we're building on.
40 */
41
42 #ifdef __NetBSD__
43 #include <dev/ic/isp_netbsd.h>
44 #endif
45 #ifdef __FreeBSD__
46 #include <sys/cdefs.h>
47 __FBSDID("$FreeBSD$");
48 #include <dev/isp/isp_freebsd.h>
49 #endif
50 #ifdef __OpenBSD__
51 #include <dev/ic/isp_openbsd.h>
52 #endif
53 #ifdef __linux__
54 #include "isp_linux.h"
55 #endif
56
57 #ifdef ISP_TARGET_MODE
58 static void isp_got_tmf_24xx(ispsoftc_t *, at7_entry_t *);
59 static void isp_handle_abts(ispsoftc_t *, abts_t *);
60 static void isp_handle_ctio7(ispsoftc_t *, ct7_entry_t *);
61 static void isp_handle_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *);
62
63 /*
64 * The Qlogic driver gets an interrupt to look at response queue entries.
65 * Some of these are status completions for initiatior mode commands, but
66 * if target mode is enabled, we get a whole wad of response queue entries
67 * to be handled here.
68 *
69 * Basically the split into 3 main groups: Lun Enable/Modification responses,
70 * SCSI Command processing, and Immediate Notification events.
71 *
72 * You start by writing a request queue entry to enable target mode (and
73 * establish some resource limitations which you can modify later).
74 * The f/w responds with a LUN ENABLE or LUN MODIFY response with
75 * the status of this action. If the enable was successful, you can expect...
76 *
77 * Response queue entries with SCSI commands encapsulate show up in an ATIO
78 * (Accept Target IO) type- sometimes with enough info to stop the command at
79 * this level. Ultimately the driver has to feed back to the f/w's request
80 * queue a sequence of CTIOs (continue target I/O) that describe data to
81 * be moved and/or status to be sent) and finally finishing with sending
82 * to the f/w's response queue an ATIO which then completes the handshake
83 * with the f/w for that command. There's a lot of variations on this theme,
84 * including flags you can set in the CTIO for the Qlogic 2X00 fibre channel
85 * cards that 'auto-replenish' the f/w's ATIO count, but this is the basic
86 * gist of it.
87 *
88 * The third group that can show up in the response queue are Immediate
89 * Notification events. These include things like notifications of SCSI bus
90 * resets, or Bus Device Reset messages or other messages received. This
91 * a classic oddbins area. It can get a little weird because you then turn
92 * around and acknowledge the Immediate Notify by writing an entry onto the
93 * request queue and then the f/w turns around and gives you an acknowledgement
94 * to *your* acknowledgement on the response queue (the idea being to let
95 * the f/w tell you when the event is *really* over I guess).
96 *
97 */
98
99
100 /*
101 * A new response queue entry has arrived. The interrupt service code
102 * has already swizzled it into the platform dependent from canonical form.
103 *
104 * Because of the way this driver is designed, unfortunately most of the
105 * actual synchronization work has to be done in the platform specific
106 * code- we have no synchroniation primitives in the common code.
107 */
108
109 int
isp_target_notify(ispsoftc_t * isp,void * vptr,uint32_t * optrp,uint16_t ql)110 isp_target_notify(ispsoftc_t *isp, void *vptr, uint32_t *optrp, uint16_t ql)
111 {
112 union {
113 at7_entry_t *at7iop;
114 ct7_entry_t *ct7iop;
115 in_fcentry_24xx_t *inot_24xx;
116 na_fcentry_24xx_t *nack_24xx;
117 isphdr_t *hp;
118 abts_t *abts;
119 abts_rsp_t *abts_rsp;
120 void * *vp;
121 #define at7iop unp.at7iop
122 #define ct7iop unp.ct7iop
123 #define inot_24xx unp.inot_24xx
124 #define nack_24xx unp.nack_24xx
125 #define abts unp.abts
126 #define abts_rsp unp.abts_rsp
127 #define hdrp unp.hp
128 } unp;
129 uint8_t local[QENTRY_LEN];
130 int type, len, level, rval = 1;
131
132 type = isp_get_response_type(isp, (isphdr_t *)vptr);
133 unp.vp = vptr;
134
135 if (isp->isp_dblev & ISP_LOGTDEBUG2)
136 isp_print_qentry(isp, __func__, *optrp, vptr);
137
138 switch (type) {
139 case RQSTYPE_ATIO:
140 isp_get_atio7(isp, at7iop, (at7_entry_t *) local);
141 at7iop = (at7_entry_t *) local;
142 /*
143 * Check for and do something with commands whose
144 * IULEN extends past a single queue entry.
145 */
146 len = at7iop->at_ta_len & 0x0fff;
147 if (len > (QENTRY_LEN - 8)) {
148 len -= (QENTRY_LEN - 8);
149 isp_prt(isp, ISP_LOGINFO, "long IU length (%d) ignored", len);
150 while (len > 0) {
151 *optrp = ISP_NXT_QENTRY(*optrp, ql);
152 len -= QENTRY_LEN;
153 }
154 }
155 /*
156 * Check for a task management function
157 */
158 if (at7iop->at_cmnd.fcp_cmnd_task_management) {
159 isp_got_tmf_24xx(isp, at7iop);
160 break;
161 }
162 /*
163 * Just go straight to outer layer for this one.
164 */
165 isp_async(isp, ISPASYNC_TARGET_ACTION, local);
166 break;
167
168 case RQSTYPE_CTIO7:
169 isp_get_ctio7(isp, ct7iop, (ct7_entry_t *) local);
170 isp_handle_ctio7(isp, (ct7_entry_t *) local);
171 break;
172
173 case RQSTYPE_NOTIFY:
174 isp_get_notify_24xx(isp, inot_24xx, (in_fcentry_24xx_t *)local);
175 isp_handle_notify_24xx(isp, (in_fcentry_24xx_t *)local);
176 break;
177
178 case RQSTYPE_NOTIFY_ACK:
179 /*
180 * The ISP is acknowledging our acknowledgement of an
181 * Immediate Notify entry for some asynchronous event.
182 */
183 isp_get_notify_ack_24xx(isp, nack_24xx, (na_fcentry_24xx_t *) local);
184 nack_24xx = (na_fcentry_24xx_t *) local;
185 if (nack_24xx->na_status != NA_OK)
186 level = ISP_LOGINFO;
187 else
188 level = ISP_LOGTDEBUG1;
189 isp_prt(isp, level, "Notify Ack Status=0x%x; Subcode 0x%x seqid=0x%x", nack_24xx->na_status, nack_24xx->na_status_subcode, nack_24xx->na_rxid);
190 break;
191
192 case RQSTYPE_ABTS_RCVD:
193 isp_get_abts(isp, abts, (abts_t *)local);
194 isp_handle_abts(isp, (abts_t *)local);
195 break;
196 case RQSTYPE_ABTS_RSP:
197 isp_get_abts_rsp(isp, abts_rsp, (abts_rsp_t *)local);
198 abts_rsp = (abts_rsp_t *) local;
199 if (abts_rsp->abts_rsp_status)
200 level = ISP_LOGINFO;
201 else
202 level = ISP_LOGTDEBUG0;
203 isp_prt(isp, level, "ABTS RSP response[0x%x]: status=0x%x sub=(0x%x 0x%x)", abts_rsp->abts_rsp_rxid_task, abts_rsp->abts_rsp_status,
204 abts_rsp->abts_rsp_payload.rsp.subcode1, abts_rsp->abts_rsp_payload.rsp.subcode2);
205 break;
206 default:
207 isp_prt(isp, ISP_LOGERR, "%s: unknown entry type 0x%x", __func__, type);
208 rval = 0;
209 break;
210 }
211 #undef at7iop
212 #undef ct7iop
213 #undef inot_24xx
214 #undef hack_24xx
215 #undef abts
216 #undef abts_rsp
217 #undef hdrp
218 return (rval);
219 }
220
221 /*
222 * Command completion- both for handling cases of no resources or
223 * no blackhole driver, or other cases where we have to, inline,
224 * finish the command sanely, or for normal command completion.
225 *
226 * The 'completion' code value has the scsi status byte in the low 8 bits.
227 * If status is a CHECK CONDITION and bit 8 is nonzero, then bits 12..15 have
228 * the sense key and bits 16..23 have the ASCQ and bits 24..31 have the ASC
229 * values.
230 *
231 * NB: the key, asc, ascq, cannot be used for parallel SCSI as it doesn't
232 * NB: inline SCSI sense reporting. As such, we lose this information. XXX.
233 *
234 * For both parallel && fibre channel, we use the feature that does
235 * an automatic resource autoreplenish so we don't have then later do
236 * put of an atio to replenish the f/w's resource count.
237 */
238
239 int
isp_endcmd(ispsoftc_t * isp,...)240 isp_endcmd(ispsoftc_t *isp, ...)
241 {
242 uint32_t code, hdl;
243 uint8_t sts;
244 at7_entry_t *aep;
245 ct7_entry_t _ctio7, *cto = &_ctio7;
246 va_list ap;
247 int vpidx, nphdl;
248
249 va_start(ap, isp);
250 aep = va_arg(ap, at7_entry_t *);
251 nphdl = va_arg(ap, int);
252 /*
253 * Note that vpidx may equal 0xff (unknown) here
254 */
255 vpidx = va_arg(ap, int);
256 code = va_arg(ap, uint32_t);
257 hdl = va_arg(ap, uint32_t);
258 va_end(ap);
259 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [RX_ID 0x%x] chan %d code %x", __func__, aep->at_rxid, vpidx, code);
260
261 sts = code & 0xff;
262 ISP_MEMZERO(cto, sizeof(*cto));
263 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
264 cto->ct_header.rqs_entry_count = 1;
265 cto->ct_nphdl = nphdl;
266 cto->ct_rxid = aep->at_rxid;
267 cto->ct_iid_lo = (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
268 cto->ct_iid_hi = aep->at_hdr.s_id[0];
269 cto->ct_oxid = aep->at_hdr.ox_id;
270 cto->ct_scsi_status = sts;
271 cto->ct_vpidx = vpidx;
272 cto->ct_flags = CT7_NOACK;
273 if (code & ECMD_TERMINATE) {
274 cto->ct_flags |= CT7_TERMINATE;
275 } else if (code & ECMD_SVALID) {
276 cto->ct_flags |= CT7_FLAG_MODE1 | CT7_SENDSTATUS;
277 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8);
278 cto->ct_senselen = min(16, MAXRESPLEN_24XX);
279 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp));
280 cto->rsp.m1.ct_resp[0] = 0xf0;
281 cto->rsp.m1.ct_resp[2] = (code >> 12) & 0xf;
282 cto->rsp.m1.ct_resp[7] = 8;
283 cto->rsp.m1.ct_resp[12] = (code >> 16) & 0xff;
284 cto->rsp.m1.ct_resp[13] = (code >> 24) & 0xff;
285 } else if (code & ECMD_RVALID) {
286 cto->ct_flags |= CT7_FLAG_MODE1 | CT7_SENDSTATUS;
287 cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8);
288 cto->rsp.m1.ct_resplen = 4;
289 ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp));
290 cto->rsp.m1.ct_resp[0] = (code >> 12) & 0xf;
291 cto->rsp.m1.ct_resp[1] = (code >> 16) & 0xff;
292 cto->rsp.m1.ct_resp[2] = (code >> 24) & 0xff;
293 cto->rsp.m1.ct_resp[3] = 0;
294 } else {
295 cto->ct_flags |= CT7_FLAG_MODE1 | CT7_SENDSTATUS;
296 }
297 if (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl != 0) {
298 cto->ct_resid = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl;
299 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8);
300 }
301 cto->ct_syshandle = hdl;
302 return (isp_send_entry(isp, cto));
303 }
304
305 /*
306 * These are either broadcast events or specifically CTIO fast completion
307 */
308
309 void
isp_target_async(ispsoftc_t * isp,int bus,int event)310 isp_target_async(ispsoftc_t *isp, int bus, int event)
311 {
312 isp_notify_t notify;
313
314 ISP_MEMZERO(¬ify, sizeof (isp_notify_t));
315 notify.nt_hba = isp;
316 notify.nt_wwn = INI_ANY;
317 notify.nt_nphdl = NIL_HANDLE;
318 notify.nt_sid = PORT_ANY;
319 notify.nt_did = PORT_ANY;
320 notify.nt_tgt = TGT_ANY;
321 notify.nt_channel = bus;
322 notify.nt_lun = LUN_ANY;
323 notify.nt_tagval = TAG_ANY;
324 notify.nt_tagval |= (((uint64_t)(isp->isp_serno++)) << 32);
325
326 switch (event) {
327 case ASYNC_LOOP_UP:
328 case ASYNC_PTPMODE:
329 isp_prt(isp, ISP_LOGTDEBUG0, "%s: LOOP UP", __func__);
330 notify.nt_ncode = NT_LINK_UP;
331 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify);
332 break;
333 case ASYNC_LOOP_DOWN:
334 isp_prt(isp, ISP_LOGTDEBUG0, "%s: LOOP DOWN", __func__);
335 notify.nt_ncode = NT_LINK_DOWN;
336 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify);
337 break;
338 case ASYNC_LIP_ERROR:
339 case ASYNC_LIP_NOS_OLS_RECV:
340 case ASYNC_LIP_OCCURRED:
341 case ASYNC_LOOP_RESET:
342 isp_prt(isp, ISP_LOGTDEBUG0, "%s: LIP RESET", __func__);
343 notify.nt_ncode = NT_LIP_RESET;
344 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify);
345 break;
346 default:
347 isp_prt(isp, ISP_LOGERR, "%s: unknown event 0x%x", __func__, event);
348 break;
349 }
350 }
351
352 static void
isp_got_tmf_24xx(ispsoftc_t * isp,at7_entry_t * aep)353 isp_got_tmf_24xx(ispsoftc_t *isp, at7_entry_t *aep)
354 {
355 isp_notify_t notify;
356 static const char f1[] = "%s from PortID 0x%06x lun %jx seq 0x%08x";
357 static const char f2[] = "unknown Task Flag 0x%x lun %jx PortID 0x%x tag 0x%08x";
358 fcportdb_t *lp;
359 uint16_t chan;
360 uint32_t sid, did;
361
362 ISP_MEMZERO(¬ify, sizeof (isp_notify_t));
363 notify.nt_hba = isp;
364 notify.nt_wwn = INI_ANY;
365 notify.nt_lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun));
366 notify.nt_tagval = aep->at_rxid;
367 notify.nt_tagval |= (((uint64_t)(isp->isp_serno++)) << 32);
368 notify.nt_lreserved = aep;
369 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
370 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2];
371 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) {
372 /* Channel has to be derived from D_ID */
373 isp_find_chan_by_did(isp, did, &chan);
374 if (chan == ISP_NOCHAN) {
375 isp_prt(isp, ISP_LOGWARN,
376 "%s: D_ID 0x%x not found on any channel",
377 __func__, did);
378 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN,
379 ECMD_TERMINATE, 0);
380 return;
381 }
382 } else {
383 chan = 0;
384 }
385 if (isp_find_pdb_by_portid(isp, chan, sid, &lp))
386 notify.nt_nphdl = lp->handle;
387 else
388 notify.nt_nphdl = NIL_HANDLE;
389 notify.nt_sid = sid;
390 notify.nt_did = did;
391 notify.nt_channel = chan;
392 if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_QUERY_TASK_SET) {
393 isp_prt(isp, ISP_LOGINFO, f1, "QUERY TASK SET", sid, notify.nt_lun, aep->at_rxid);
394 notify.nt_ncode = NT_QUERY_TASK_SET;
395 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_ABORT_TASK_SET) {
396 isp_prt(isp, ISP_LOGINFO, f1, "ABORT TASK SET", sid, notify.nt_lun, aep->at_rxid);
397 notify.nt_ncode = NT_ABORT_TASK_SET;
398 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_CLEAR_TASK_SET) {
399 isp_prt(isp, ISP_LOGINFO, f1, "CLEAR TASK SET", sid, notify.nt_lun, aep->at_rxid);
400 notify.nt_ncode = NT_CLEAR_TASK_SET;
401 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_QUERY_ASYNC_EVENT) {
402 isp_prt(isp, ISP_LOGINFO, f1, "QUERY ASYNC EVENT", sid, notify.nt_lun, aep->at_rxid);
403 notify.nt_ncode = NT_QUERY_ASYNC_EVENT;
404 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_LUN_RESET) {
405 isp_prt(isp, ISP_LOGINFO, f1, "LUN RESET", sid, notify.nt_lun, aep->at_rxid);
406 notify.nt_ncode = NT_LUN_RESET;
407 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_TGT_RESET) {
408 isp_prt(isp, ISP_LOGINFO, f1, "TARGET RESET", sid, notify.nt_lun, aep->at_rxid);
409 notify.nt_ncode = NT_TARGET_RESET;
410 } else if (aep->at_cmnd.fcp_cmnd_task_management & FCP_CMND_TMF_CLEAR_ACA) {
411 isp_prt(isp, ISP_LOGINFO, f1, "CLEAR ACA", sid, notify.nt_lun, aep->at_rxid);
412 notify.nt_ncode = NT_CLEAR_ACA;
413 } else {
414 isp_prt(isp, ISP_LOGWARN, f2, aep->at_cmnd.fcp_cmnd_task_management, notify.nt_lun, sid, aep->at_rxid);
415 notify.nt_ncode = NT_UNKNOWN;
416 isp_endcmd(isp, aep, notify.nt_nphdl, chan, ECMD_RVALID | (0x4 << 12), 0);
417 return;
418 }
419 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify);
420 }
421
422 int
isp_notify_ack(ispsoftc_t * isp,void * arg)423 isp_notify_ack(ispsoftc_t *isp, void *arg)
424 {
425 na_fcentry_24xx_t _na, *na = &_na;
426
427 /*
428 * This is in case a Task Management Function ends up here.
429 */
430 if (((isphdr_t *)arg)->rqs_entry_type == RQSTYPE_ATIO)
431 return (isp_endcmd(isp, arg, NIL_HANDLE, 0, 0, 0));
432
433 in_fcentry_24xx_t *in = arg;
434
435 ISP_MEMZERO(na, sizeof(*na));
436 na->na_header.rqs_entry_type = RQSTYPE_NOTIFY_ACK;
437 na->na_header.rqs_entry_count = 1;
438 na->na_nphdl = in->in_nphdl;
439 na->na_flags = in->in_flags;
440 na->na_status = in->in_status;
441 na->na_status_subcode = in->in_status_subcode;
442 na->na_fwhandle = in->in_fwhandle;
443 na->na_rxid = in->in_rxid;
444 na->na_oxid = in->in_oxid;
445 na->na_vpidx = in->in_vpidx;
446 if (in->in_status == IN24XX_SRR_RCVD) {
447 na->na_srr_rxid = in->in_srr_rxid;
448 na->na_srr_reloff_hi = in->in_srr_reloff_hi;
449 na->na_srr_reloff_lo = in->in_srr_reloff_lo;
450 na->na_srr_iu = in->in_srr_iu;
451 /*
452 * Whether we're accepting the SRR or rejecting
453 * it is determined by looking at the in_reserved
454 * field in the original notify structure.
455 */
456 if (in->in_reserved) {
457 na->na_srr_flags = 1;
458 na->na_srr_reject_vunique = 0;
459 /* Unable to perform this command at this time. */
460 na->na_srr_reject_code = 9;
461 /* Unable to supply the requested data. */
462 na->na_srr_reject_explanation = 0x2a;
463 }
464 }
465 return (isp_send_entry(isp, na));
466 }
467
468 int
isp_acknak_abts(ispsoftc_t * isp,void * arg,int errno)469 isp_acknak_abts(ispsoftc_t *isp, void *arg, int errno)
470 {
471 char storage[QENTRY_LEN];
472 uint16_t tmpw;
473 uint8_t tmpb;
474 abts_t *abts = arg;
475 abts_rsp_t *rsp = (abts_rsp_t *) storage;
476
477 if (abts->abts_header.rqs_entry_type != RQSTYPE_ABTS_RCVD) {
478 isp_prt(isp, ISP_LOGERR, "%s: called for non-ABTS entry (0x%x)", __func__, abts->abts_header.rqs_entry_type);
479 return (0);
480 }
481
482 ISP_MEMCPY(rsp, abts, QENTRY_LEN);
483 rsp->abts_rsp_header.rqs_entry_type = RQSTYPE_ABTS_RSP;
484
485 /*
486 * Swap destination and source for response.
487 */
488 rsp->abts_rsp_r_ctl = BA_ACC;
489 tmpw = rsp->abts_rsp_did_lo;
490 tmpb = rsp->abts_rsp_did_hi;
491 rsp->abts_rsp_did_lo = rsp->abts_rsp_sid_lo;
492 rsp->abts_rsp_did_hi = rsp->abts_rsp_sid_hi;
493 rsp->abts_rsp_sid_lo = tmpw;
494 rsp->abts_rsp_sid_hi = tmpb;
495
496 rsp->abts_rsp_f_ctl_hi ^= 0x80; /* invert Exchange Context */
497 rsp->abts_rsp_f_ctl_hi &= ~0x7f; /* clear Sequence Initiator and other bits */
498 rsp->abts_rsp_f_ctl_hi |= 0x10; /* abort the whole exchange */
499 rsp->abts_rsp_f_ctl_hi |= 0x8; /* last data frame of sequence */
500 rsp->abts_rsp_f_ctl_hi |= 0x1; /* transfer Sequence Initiative */
501 rsp->abts_rsp_f_ctl_lo = 0;
502
503 if (errno == 0) {
504 uint16_t rx_id, ox_id;
505
506 rx_id = rsp->abts_rsp_rx_id;
507 ox_id = rsp->abts_rsp_ox_id;
508 ISP_MEMZERO(&rsp->abts_rsp_payload.ba_acc, sizeof (rsp->abts_rsp_payload.ba_acc));
509 isp_prt(isp, ISP_LOGTINFO, "[0x%x] ABTS of 0x%x being BA_ACC'd", rsp->abts_rsp_rxid_abts, rsp->abts_rsp_rxid_task);
510 rsp->abts_rsp_payload.ba_acc.aborted_rx_id = rx_id;
511 rsp->abts_rsp_payload.ba_acc.aborted_ox_id = ox_id;
512 rsp->abts_rsp_payload.ba_acc.high_seq_cnt = 0xffff;
513 } else {
514 ISP_MEMZERO(&rsp->abts_rsp_payload.ba_rjt, sizeof (rsp->abts_rsp_payload.ba_acc));
515 switch (errno) {
516 case ENOMEM:
517 rsp->abts_rsp_payload.ba_rjt.reason = 5; /* Logical Unit Busy */
518 break;
519 default:
520 rsp->abts_rsp_payload.ba_rjt.reason = 9; /* Unable to perform command request */
521 break;
522 }
523 }
524 return (isp_send_entry(isp, rsp));
525 }
526
527 static void
isp_handle_abts(ispsoftc_t * isp,abts_t * abts)528 isp_handle_abts(ispsoftc_t *isp, abts_t *abts)
529 {
530 isp_notify_t notify, *nt = ¬ify;
531 fcportdb_t *lp;
532 uint16_t chan;
533 uint32_t sid, did;
534
535 did = (abts->abts_did_hi << 16) | abts->abts_did_lo;
536 sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo;
537 ISP_MEMZERO(nt, sizeof (isp_notify_t));
538
539 nt->nt_hba = isp;
540 nt->nt_did = did;
541 nt->nt_nphdl = abts->abts_nphdl;
542 nt->nt_sid = sid;
543 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) {
544 /* Channel has to be derived from D_ID */
545 isp_find_chan_by_did(isp, did, &chan);
546 if (chan == ISP_NOCHAN) {
547 isp_prt(isp, ISP_LOGWARN,
548 "%s: D_ID 0x%x not found on any channel",
549 __func__, did);
550 isp_acknak_abts(isp, abts, ENXIO);
551 return;
552 }
553 } else
554 chan = 0;
555 nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn;
556 if (isp_find_pdb_by_handle(isp, chan, abts->abts_nphdl, &lp))
557 nt->nt_wwn = lp->port_wwn;
558 else
559 nt->nt_wwn = INI_ANY;
560 nt->nt_lun = LUN_ANY;
561 nt->nt_need_ack = 1;
562 nt->nt_tagval = abts->abts_rxid_task;
563 nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32);
564 isp_prt(isp, ISP_LOGTINFO, "[0x%x] ABTS from N-Port handle 0x%x"
565 " Port 0x%06x for task 0x%x (rx_id 0x%04x ox_id 0x%04x)",
566 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task,
567 abts->abts_rx_id, abts->abts_ox_id);
568 nt->nt_channel = chan;
569 nt->nt_ncode = NT_ABORT_TASK;
570 nt->nt_lreserved = abts;
571 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify);
572 }
573
574 static void
isp_handle_ctio7(ispsoftc_t * isp,ct7_entry_t * ct)575 isp_handle_ctio7(ispsoftc_t *isp, ct7_entry_t *ct)
576 {
577 void *xs;
578 int pl = ISP_LOGTDEBUG2;
579 char *fmsg = NULL;
580
581 if (ct->ct_syshandle) {
582 xs = isp_find_xs(isp, ct->ct_syshandle);
583 if (xs == NULL) {
584 pl = ISP_LOGALL;
585 }
586 } else {
587 xs = NULL;
588 }
589
590 switch (ct->ct_nphdl) {
591 case CT7_BUS_ERROR:
592 isp_prt(isp, ISP_LOGERR, "PCI DMA Bus Error");
593 /* FALL Through */
594 case CT7_DATA_OVER:
595 case CT7_DATA_UNDER:
596 case CT7_OK:
597 /*
598 * There are generally 2 possibilities as to why we'd get
599 * this condition:
600 * We sent or received data.
601 * We sent status & command complete.
602 */
603
604 break;
605
606 case CT7_RESET:
607 if (fmsg == NULL) {
608 fmsg = "LIP Reset";
609 }
610 /*FALLTHROUGH*/
611 case CT7_ABORTED:
612 /*
613 * When an Abort message is received the firmware goes to
614 * Bus Free and returns all outstanding CTIOs with the status
615 * set, then sends us an Immediate Notify entry.
616 */
617 if (fmsg == NULL) {
618 fmsg = "ABORT";
619 }
620 isp_prt(isp, ISP_LOGTDEBUG0, "CTIO7 destroyed by %s: RX_ID=0x%x", fmsg, ct->ct_rxid);
621 break;
622
623 case CT7_TIMEOUT:
624 if (fmsg == NULL) {
625 fmsg = "command";
626 }
627 isp_prt(isp, ISP_LOGWARN, "Firmware timed out on %s", fmsg);
628 break;
629
630 case CT7_ERR:
631 fmsg = "Completed with Error";
632 /*FALLTHROUGH*/
633 case CT7_LOGOUT:
634 if (fmsg == NULL) {
635 fmsg = "Port Logout";
636 }
637 /*FALLTHROUGH*/
638 case CT7_PORTUNAVAIL:
639 if (fmsg == NULL) {
640 fmsg = "Port not available";
641 }
642 /*FALLTHROUGH*/
643 case CT7_PORTCHANGED:
644 if (fmsg == NULL) {
645 fmsg = "Port Changed";
646 }
647 isp_prt(isp, ISP_LOGWARN, "CTIO returned by f/w- %s", fmsg);
648 break;
649
650 case CT7_INVRXID:
651 /*
652 * CTIO rejected by the firmware because an invalid RX_ID.
653 * Just print a message.
654 */
655 isp_prt(isp, ISP_LOGWARN, "CTIO7 completed with Invalid RX_ID 0x%x", ct->ct_rxid);
656 break;
657
658 case CT7_REASSY_ERR:
659 isp_prt(isp, ISP_LOGWARN, "reassembly error");
660 break;
661
662 case CT7_SRR:
663 isp_prt(isp, ISP_LOGTDEBUG0, "SRR received");
664 break;
665
666 default:
667 isp_prt(isp, ISP_LOGERR, "Unknown CTIO7 status 0x%x", ct->ct_nphdl);
668 break;
669 }
670
671 if (xs == NULL) {
672 /*
673 * There may be more than one CTIO for a data transfer,
674 * or this may be a status CTIO we're not monitoring.
675 *
676 * The assumption is that they'll all be returned in the
677 * order we got them.
678 */
679 if (ct->ct_syshandle == 0) {
680 if (ct->ct_flags & CT7_TERMINATE) {
681 isp_prt(isp, ISP_LOGINFO, "termination of [RX_ID 0x%x] complete", ct->ct_rxid);
682 } else if ((ct->ct_flags & CT7_SENDSTATUS) == 0) {
683 isp_prt(isp, pl, "intermediate CTIO completed ok");
684 } else {
685 isp_prt(isp, pl, "unmonitored CTIO completed ok");
686 }
687 } else {
688 isp_prt(isp, pl, "NO xs for CTIO (handle 0x%x) status 0x%x", ct->ct_syshandle, ct->ct_nphdl);
689 }
690 } else {
691 ISP_DMAFREE(isp, xs);
692 if (ct->ct_flags & CT7_SENDSTATUS) {
693 /*
694 * Sent status and command complete.
695 *
696 * We're now really done with this command, so we
697 * punt to the platform dependent layers because
698 * only there can we do the appropriate command
699 * complete thread synchronization.
700 */
701 isp_prt(isp, pl, "status CTIO complete");
702 } else {
703 /*
704 * Final CTIO completed. Release DMA resources and
705 * notify platform dependent layers.
706 */
707 isp_prt(isp, pl, "data CTIO complete");
708 }
709 isp_async(isp, ISPASYNC_TARGET_ACTION, ct);
710 /*
711 * The platform layer will destroy the handle if appropriate.
712 */
713 }
714 }
715
716 static void
isp_handle_notify_24xx(ispsoftc_t * isp,in_fcentry_24xx_t * inot)717 isp_handle_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot)
718 {
719 uint8_t chan;
720 uint16_t nphdl, prli_options = 0;
721 uint32_t portid;
722 fcportdb_t *lp;
723 char *msg = NULL;
724 uint8_t *ptr = (uint8_t *)inot;
725 uint64_t wwpn = INI_NONE, wwnn = INI_NONE;
726 isp_notify_t notify;
727 char buf[16];
728
729 nphdl = inot->in_nphdl;
730 if (nphdl != NIL_HANDLE) {
731 portid = inot->in_portid_hi << 16 | inot->in_portid_lo;
732 } else {
733 portid = PORT_ANY;
734 }
735
736 chan = ISP_GET_VPIDX(isp, inot->in_vpidx);
737 if (chan >= isp->isp_nchan &&
738 inot->in_status != IN24XX_LIP_RESET &&
739 inot->in_status != IN24XX_LINK_RESET &&
740 inot->in_status != IN24XX_LINK_FAILED) {
741 isp_prt(isp, ISP_LOGWARN, "%s: Received INOT with status %x on VP %x",
742 __func__, inot->in_status, chan);
743 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
744 return;
745 }
746
747 switch (inot->in_status) {
748 case IN24XX_ELS_RCVD:
749 {
750 /*
751 * Note that we're just getting notification that an ELS was
752 * received (possibly with some associated information sent
753 * upstream). This is *not* the same as being given the ELS
754 * frame to accept or reject.
755 */
756 switch (inot->in_status_subcode) {
757 case LOGO:
758 msg = "LOGO";
759 wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]);
760 isp_del_wwn_entry(isp, chan, wwpn, nphdl, portid);
761 break;
762 case PRLO:
763 msg = "PRLO";
764 break;
765 case PLOGI:
766 msg = "PLOGI";
767 wwnn = be64dec(&ptr[IN24XX_PLOGI_WWNN_OFF]);
768 wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]);
769 isp_add_wwn_entry(isp, chan, wwpn, wwnn,
770 nphdl, portid, prli_options);
771 break;
772 case PRLI:
773 msg = "PRLI";
774 prli_options = inot->in_prli_options;
775 if (inot->in_flags & IN24XX_FLAG_PN_NN_VALID)
776 wwnn = be64dec(&ptr[IN24XX_PRLI_WWNN_OFF]);
777 wwpn = be64dec(&ptr[IN24XX_PRLI_WWPN_OFF]);
778 isp_add_wwn_entry(isp, chan, wwpn, wwnn,
779 nphdl, portid, prli_options);
780 break;
781 case TPRLO:
782 msg = "TPRLO";
783 break;
784 case PDISC:
785 msg = "PDISC";
786 break;
787 case ADISC:
788 msg = "ADISC";
789 break;
790 default:
791 ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x",
792 inot->in_status_subcode);
793 msg = buf;
794 break;
795 }
796 if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) {
797 isp_prt(isp, ISP_LOGERR, "%s Chan %d ELS N-port handle %x"
798 " PortID 0x%06x marked as needing a PUREX response",
799 msg, chan, nphdl, portid);
800 break;
801 }
802 isp_prt(isp, ISP_LOGTDEBUG0, "%s Chan %d ELS N-port handle %x"
803 " PortID 0x%06x RX_ID 0x%x OX_ID 0x%x", msg, chan, nphdl,
804 portid, inot->in_rxid, inot->in_oxid);
805 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
806 break;
807 }
808
809 case IN24XX_PORT_LOGOUT:
810 msg = "PORT LOGOUT";
811 if (isp_find_pdb_by_handle(isp, chan, nphdl, &lp))
812 isp_del_wwn_entry(isp, chan, lp->port_wwn, nphdl, lp->portid);
813 /* FALLTHROUGH */
814 case IN24XX_PORT_CHANGED:
815 if (msg == NULL)
816 msg = "PORT CHANGED";
817 /* FALLTHROUGH */
818 case IN24XX_LIP_RESET:
819 if (msg == NULL)
820 msg = "LIP RESET";
821 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (sub-status 0x%x) for "
822 "N-port handle 0x%x",
823 chan, msg, inot->in_status_subcode, nphdl);
824
825 /*
826 * All subcodes here are irrelevant. What is relevant
827 * is that we need to terminate all active commands from
828 * this initiator (known by N-port handle).
829 */
830 /* XXX IMPLEMENT XXX */
831 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
832 break;
833
834 case IN24XX_SRR_RCVD:
835 #ifdef ISP_TARGET_MODE
836 ISP_MEMZERO(¬ify, sizeof (isp_notify_t));
837 notify.nt_hba = isp;
838 notify.nt_wwn = INI_ANY;
839 notify.nt_tgt = FCPARAM(isp, chan)->isp_wwpn;
840 notify.nt_nphdl = nphdl;
841 notify.nt_sid = portid;
842 notify.nt_did = PORT_ANY;
843 notify.nt_lun = LUN_ANY;
844 notify.nt_tagval = inot->in_rxid;
845 notify.nt_tagval |= ((uint64_t)inot->in_srr_rxid << 32);
846 notify.nt_need_ack = 1;
847 notify.nt_channel = chan;
848 notify.nt_lreserved = inot;
849 notify.nt_ncode = NT_SRR;
850 isp_async(isp, ISPASYNC_TARGET_NOTIFY, ¬ify);
851 break;
852 #else
853 if (msg == NULL)
854 msg = "SRR RCVD";
855 /* FALLTHROUGH */
856 #endif
857 case IN24XX_LINK_RESET:
858 if (msg == NULL)
859 msg = "LINK RESET";
860 case IN24XX_LINK_FAILED:
861 if (msg == NULL)
862 msg = "LINK FAILED";
863 default:
864 isp_prt(isp, ISP_LOGWARN, "Chan %d %s", chan, msg);
865 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
866 break;
867 }
868 }
869 #endif
870