1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2013-2016 Qlogic Corporation
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29 /*
30 * File: ql_ioctl.c
31 * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
32 */
33
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
36
37 #include "ql_os.h"
38 #include "ql_hw.h"
39 #include "ql_def.h"
40 #include "ql_inline.h"
41 #include "ql_glbl.h"
42 #include "ql_ioctl.h"
43 #include "ql_ver.h"
44 #include "ql_dbg.h"
45
46 static int ql_slowpath_log(qla_host_t *ha, qla_sp_log_t *log);
47 static int ql_drvr_state(qla_host_t *ha, qla_driver_state_t *drvr_state);
48 static uint32_t ql_drvr_state_size(qla_host_t *ha);
49 static int ql_eioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag,
50 struct thread *td);
51
52 static struct cdevsw qla_cdevsw = {
53 .d_version = D_VERSION,
54 .d_ioctl = ql_eioctl,
55 .d_name = "qlcnic",
56 };
57
58 int
59 ql_make_cdev(qla_host_t *ha)
60 {
61 ha->ioctl_dev = make_dev(&qla_cdevsw,
62 ha->ifp->if_dunit,
63 UID_ROOT,
64 GID_WHEEL,
65 0600,
66 "%s",
67 if_name(ha->ifp));
68
69 if (ha->ioctl_dev == NULL)
70 return (-1);
71
72 ha->ioctl_dev->si_drv1 = ha;
73
74 return (0);
75 }
76
77 void
78 ql_del_cdev(qla_host_t *ha)
79 {
80 if (ha->ioctl_dev != NULL)
81 destroy_dev(ha->ioctl_dev);
82 return;
83 }
84
85 static int
86 ql_eioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag,
87 struct thread *td)
88 {
89 qla_host_t *ha;
90 int rval = 0;
91 device_t pci_dev;
92 struct ifnet *ifp;
93 int count;
94
95 q80_offchip_mem_val_t val;
96 qla_rd_pci_ids_t *pci_ids;
97 qla_rd_fw_dump_t *fw_dump;
98 union {
99 qla_reg_val_t *rv;
100 qla_rd_flash_t *rdf;
101 qla_wr_flash_t *wrf;
102 qla_erase_flash_t *erf;
103 qla_offchip_mem_val_t *mem;
104 } u;
105
106 if ((ha = (qla_host_t *)dev->si_drv1) == NULL)
107 return ENXIO;
108
109 pci_dev= ha->pci_dev;
110
111 switch(cmd) {
112 case QLA_RDWR_REG:
113
114 u.rv = (qla_reg_val_t *)data;
115
116 if (u.rv->direct) {
117 if (u.rv->rd) {
118 u.rv->val = READ_REG32(ha, u.rv->reg);
119 } else {
120 WRITE_REG32(ha, u.rv->reg, u.rv->val);
121 }
122 } else {
123 if ((rval = ql_rdwr_indreg32(ha, u.rv->reg, &u.rv->val,
124 u.rv->rd)))
125 rval = ENXIO;
126 }
127 break;
128
129 case QLA_RD_FLASH:
130
131 if (!ha->hw.flags.fdt_valid) {
132 rval = EIO;
133 break;
134 }
135
136 u.rdf = (qla_rd_flash_t *)data;
137 if ((rval = ql_rd_flash32(ha, u.rdf->off, &u.rdf->data)))
138 rval = ENXIO;
139 break;
140
141 case QLA_WR_FLASH:
142
143 ifp = ha->ifp;
144
145 if (ifp == NULL) {
146 rval = ENXIO;
147 break;
148 }
149
150 if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
151 rval = ENXIO;
152 break;
153 }
154
155 if (!ha->hw.flags.fdt_valid) {
156 rval = EIO;
157 break;
158 }
159
160 u.wrf = (qla_wr_flash_t *)data;
161 if ((rval = ql_wr_flash_buffer(ha, u.wrf->off, u.wrf->size,
162 u.wrf->buffer))) {
163 printf("flash write failed[%d]\n", rval);
164 rval = ENXIO;
165 }
166 break;
167
168 case QLA_ERASE_FLASH:
169
170 ifp = ha->ifp;
171
172 if (ifp == NULL) {
173 rval = ENXIO;
174 break;
175 }
176
177 if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
178 rval = ENXIO;
179 break;
180 }
181
182 if (!ha->hw.flags.fdt_valid) {
183 rval = EIO;
184 break;
185 }
186
187 u.erf = (qla_erase_flash_t *)data;
188 if ((rval = ql_erase_flash(ha, u.erf->off,
189 u.erf->size))) {
190 printf("flash erase failed[%d]\n", rval);
191 rval = ENXIO;
192 }
193 break;
194
195 case QLA_RDWR_MS_MEM:
196 u.mem = (qla_offchip_mem_val_t *)data;
197
198 if ((rval = ql_rdwr_offchip_mem(ha, u.mem->off, &val,
199 u.mem->rd)))
200 rval = ENXIO;
201 else {
202 u.mem->data_lo = val.data_lo;
203 u.mem->data_hi = val.data_hi;
204 u.mem->data_ulo = val.data_ulo;
205 u.mem->data_uhi = val.data_uhi;
206 }
207
208 break;
209
210 case QLA_RD_FW_DUMP_SIZE:
211
212 if (ha->hw.mdump_init == 0) {
213 rval = EINVAL;
214 break;
215 }
216
217 fw_dump = (qla_rd_fw_dump_t *)data;
218 fw_dump->minidump_size = ha->hw.mdump_buffer_size +
219 ha->hw.mdump_template_size;
220 fw_dump->pci_func = ha->pci_func;
221
222 break;
223
224 case QLA_RD_FW_DUMP:
225
226 if (ha->hw.mdump_init == 0) {
227 device_printf(pci_dev, "%s: minidump not initialized\n", __func__);
228 rval = EINVAL;
229 break;
230 }
231
232 fw_dump = (qla_rd_fw_dump_t *)data;
233
234 if ((fw_dump->minidump == NULL) ||
235 (fw_dump->minidump_size != (ha->hw.mdump_buffer_size +
236 ha->hw.mdump_template_size))) {
237 device_printf(pci_dev,
238 "%s: minidump buffer [%p] size = [%d, %d] invalid\n", __func__,
239 fw_dump->minidump, fw_dump->minidump_size,
240 (ha->hw.mdump_buffer_size + ha->hw.mdump_template_size));
241 rval = EINVAL;
242 break;
243 }
244
245 if ((ha->pci_func & 0x1)) {
246 device_printf(pci_dev, "%s: mindump allowed only on Port0\n", __func__);
247 rval = ENXIO;
248 break;
249 }
250
251 fw_dump->saved = 1;
252
253 if (ha->offline) {
254 if (ha->enable_minidump)
255 ql_minidump(ha);
256
257 fw_dump->saved = 0;
258 fw_dump->usec_ts = ha->hw.mdump_usec_ts;
259
260 if (!ha->hw.mdump_done) {
261 device_printf(pci_dev,
262 "%s: port offline minidump failed\n", __func__);
263 rval = ENXIO;
264 break;
265 }
266 } else {
267 #define QLA_LOCK_MDUMP_MS_TIMEOUT (QLA_LOCK_DEFAULT_MS_TIMEOUT * 5)
268 if (QLA_LOCK(ha, __func__, QLA_LOCK_MDUMP_MS_TIMEOUT, 0) == 0) {
269 if (!ha->hw.mdump_done) {
270 fw_dump->saved = 0;
271 QL_INITIATE_RECOVERY(ha);
272 device_printf(pci_dev, "%s: recovery initiated "
273 " to trigger minidump\n",
274 __func__);
275 }
276 QLA_UNLOCK(ha, __func__);
277 } else {
278 device_printf(pci_dev, "%s: QLA_LOCK() failed0\n", __func__);
279 rval = ENXIO;
280 break;
281 }
282
283 #define QLNX_DUMP_WAIT_SECS 30
284
285 count = QLNX_DUMP_WAIT_SECS * 1000;
286
287 while (count) {
288 if (ha->hw.mdump_done)
289 break;
290 qla_mdelay(__func__, 100);
291 count -= 100;
292 }
293
294 if (!ha->hw.mdump_done) {
295 device_printf(pci_dev,
296 "%s: port not offline minidump failed\n", __func__);
297 rval = ENXIO;
298 break;
299 }
300 fw_dump->usec_ts = ha->hw.mdump_usec_ts;
301
302 if (QLA_LOCK(ha, __func__, QLA_LOCK_MDUMP_MS_TIMEOUT, 0) == 0) {
303 ha->hw.mdump_done = 0;
304 QLA_UNLOCK(ha, __func__);
305 } else {
306 device_printf(pci_dev, "%s: QLA_LOCK() failed1\n", __func__);
307 rval = ENXIO;
308 break;
309 }
310 }
311
312 if ((rval = copyout(ha->hw.mdump_template,
313 fw_dump->minidump, ha->hw.mdump_template_size))) {
314 device_printf(pci_dev, "%s: template copyout failed\n", __func__);
315 rval = ENXIO;
316 break;
317 }
318
319 if ((rval = copyout(ha->hw.mdump_buffer,
320 ((uint8_t *)fw_dump->minidump +
321 ha->hw.mdump_template_size),
322 ha->hw.mdump_buffer_size))) {
323 device_printf(pci_dev, "%s: minidump copyout failed\n", __func__);
324 rval = ENXIO;
325 }
326 break;
327
328 case QLA_RD_DRVR_STATE:
329 rval = ql_drvr_state(ha, (qla_driver_state_t *)data);
330 break;
331
332 case QLA_RD_SLOWPATH_LOG:
333 rval = ql_slowpath_log(ha, (qla_sp_log_t *)data);
334 break;
335
336 case QLA_RD_PCI_IDS:
337 pci_ids = (qla_rd_pci_ids_t *)data;
338 pci_ids->ven_id = pci_get_vendor(pci_dev);
339 pci_ids->dev_id = pci_get_device(pci_dev);
340 pci_ids->subsys_ven_id = pci_get_subvendor(pci_dev);
341 pci_ids->subsys_dev_id = pci_get_subdevice(pci_dev);
342 pci_ids->rev_id = pci_read_config(pci_dev, PCIR_REVID, 1);
343 break;
344
345 default:
346 break;
347 }
348
349 return rval;
350 }
351
352 static int
353 ql_drvr_state(qla_host_t *ha, qla_driver_state_t *state)
354 {
355 int rval = 0;
356 uint32_t drvr_state_size;
357
358 drvr_state_size = ql_drvr_state_size(ha);
359
360 if (state->buffer == NULL) {
361 state->size = drvr_state_size;
362 return (0);
363 }
364
365 if (state->size < drvr_state_size)
366 return (ENXIO);
367
368 if (ha->hw.drvr_state == NULL)
369 return (ENOMEM);
370
371 ql_capture_drvr_state(ha);
372
373 rval = copyout(ha->hw.drvr_state, state->buffer, drvr_state_size);
374
375 bzero(ha->hw.drvr_state, drvr_state_size);
376
377 return (rval);
378 }
379
380 static uint32_t
381 ql_drvr_state_size(qla_host_t *ha)
382 {
383 uint32_t drvr_state_size;
384 uint32_t size;
385
386 size = sizeof (qla_drvr_state_hdr_t);
387 drvr_state_size = QL_ALIGN(size, 64);
388
389 size = ha->hw.num_tx_rings * (sizeof (qla_drvr_state_tx_t));
390 drvr_state_size += QL_ALIGN(size, 64);
391
392 size = ha->hw.num_rds_rings * (sizeof (qla_drvr_state_rx_t));
393 drvr_state_size += QL_ALIGN(size, 64);
394
395 size = ha->hw.num_sds_rings * (sizeof (qla_drvr_state_sds_t));
396 drvr_state_size += QL_ALIGN(size, 64);
397
398 size = sizeof(q80_tx_cmd_t) * NUM_TX_DESCRIPTORS * ha->hw.num_tx_rings;
399 drvr_state_size += QL_ALIGN(size, 64);
400
401 size = sizeof(q80_recv_desc_t) * NUM_RX_DESCRIPTORS * ha->hw.num_rds_rings;
402 drvr_state_size += QL_ALIGN(size, 64);
403
404 size = sizeof(q80_stat_desc_t) * NUM_STATUS_DESCRIPTORS *
405 ha->hw.num_sds_rings;
406 drvr_state_size += QL_ALIGN(size, 64);
407
408 return (drvr_state_size);
409 }
410
411 static void
412 ql_get_tx_state(qla_host_t *ha, qla_drvr_state_tx_t *tx_state)
413 {
414 int i;
415
416 for (i = 0; i < ha->hw.num_tx_rings; i++) {
417 tx_state->base_p_addr = ha->hw.tx_cntxt[i].tx_ring_paddr;
418 tx_state->cons_p_addr = ha->hw.tx_cntxt[i].tx_cons_paddr;
419 tx_state->tx_prod_reg = ha->hw.tx_cntxt[i].tx_prod_reg;
420 tx_state->tx_cntxt_id = ha->hw.tx_cntxt[i].tx_cntxt_id;
421 tx_state->txr_free = ha->hw.tx_cntxt[i].txr_free;
422 tx_state->txr_next = ha->hw.tx_cntxt[i].txr_next;
423 tx_state->txr_comp = ha->hw.tx_cntxt[i].txr_comp;
424 tx_state++;
425 }
426 return;
427 }
428
429 static void
430 ql_get_rx_state(qla_host_t *ha, qla_drvr_state_rx_t *rx_state)
431 {
432 int i;
433
434 for (i = 0; i < ha->hw.num_rds_rings; i++) {
435 rx_state->prod_std = ha->hw.rds[i].prod_std;
436 rx_state->rx_next = ha->hw.rds[i].rx_next;
437 rx_state++;
438 }
439 return;
440 }
441
442 static void
443 ql_get_sds_state(qla_host_t *ha, qla_drvr_state_sds_t *sds_state)
444 {
445 int i;
446
447 for (i = 0; i < ha->hw.num_sds_rings; i++) {
448 sds_state->sdsr_next = ha->hw.sds[i].sdsr_next;
449 sds_state->sds_consumer = ha->hw.sds[i].sds_consumer;
450 sds_state++;
451 }
452 return;
453 }
454
455 void
456 ql_capture_drvr_state(qla_host_t *ha)
457 {
458 uint8_t *state_buffer;
459 uint8_t *ptr;
460 qla_drvr_state_hdr_t *hdr;
461 uint32_t size;
462 int i;
463
464 state_buffer = ha->hw.drvr_state;
465
466 if (state_buffer == NULL)
467 return;
468
469 hdr = (qla_drvr_state_hdr_t *)state_buffer;
470
471 hdr->saved = 0;
472
473 if (hdr->drvr_version_major) {
474 hdr->saved = 1;
475 return;
476 }
477
478 hdr->usec_ts = qla_get_usec_timestamp();
479
480 hdr->drvr_version_major = QLA_VERSION_MAJOR;
481 hdr->drvr_version_minor = QLA_VERSION_MINOR;
482 hdr->drvr_version_build = QLA_VERSION_BUILD;
483
484 bcopy(ha->hw.mac_addr, hdr->mac_addr, ETHER_ADDR_LEN);
485
486 hdr->link_speed = ha->hw.link_speed;
487 hdr->cable_length = ha->hw.cable_length;
488 hdr->cable_oui = ha->hw.cable_oui;
489 hdr->link_up = ha->hw.link_up;
490 hdr->module_type = ha->hw.module_type;
491 hdr->link_faults = ha->hw.link_faults;
492 hdr->rcv_intr_coalesce = ha->hw.rcv_intr_coalesce;
493 hdr->xmt_intr_coalesce = ha->hw.xmt_intr_coalesce;
494
495 size = sizeof (qla_drvr_state_hdr_t);
496 hdr->tx_state_offset = QL_ALIGN(size, 64);
497
498 ptr = state_buffer + hdr->tx_state_offset;
499
500 ql_get_tx_state(ha, (qla_drvr_state_tx_t *)ptr);
501
502 size = ha->hw.num_tx_rings * (sizeof (qla_drvr_state_tx_t));
503 hdr->rx_state_offset = hdr->tx_state_offset + QL_ALIGN(size, 64);
504 ptr = state_buffer + hdr->rx_state_offset;
505
506 ql_get_rx_state(ha, (qla_drvr_state_rx_t *)ptr);
507
508 size = ha->hw.num_rds_rings * (sizeof (qla_drvr_state_rx_t));
509 hdr->sds_state_offset = hdr->rx_state_offset + QL_ALIGN(size, 64);
510 ptr = state_buffer + hdr->sds_state_offset;
511
512 ql_get_sds_state(ha, (qla_drvr_state_sds_t *)ptr);
513
514 size = ha->hw.num_sds_rings * (sizeof (qla_drvr_state_sds_t));
515 hdr->txr_offset = hdr->sds_state_offset + QL_ALIGN(size, 64);
516 ptr = state_buffer + hdr->txr_offset;
517
518 hdr->num_tx_rings = ha->hw.num_tx_rings;
519 hdr->txr_size = sizeof(q80_tx_cmd_t) * NUM_TX_DESCRIPTORS;
520 hdr->txr_entries = NUM_TX_DESCRIPTORS;
521
522 size = hdr->num_tx_rings * hdr->txr_size;
523 bcopy(ha->hw.dma_buf.tx_ring.dma_b, ptr, size);
524
525 hdr->rxr_offset = hdr->txr_offset + QL_ALIGN(size, 64);
526 ptr = state_buffer + hdr->rxr_offset;
527
528 hdr->rxr_size = sizeof(q80_recv_desc_t) * NUM_RX_DESCRIPTORS;
529 hdr->rxr_entries = NUM_RX_DESCRIPTORS;
530 hdr->num_rx_rings = ha->hw.num_rds_rings;
531
532 for (i = 0; i < ha->hw.num_rds_rings; i++) {
533 bcopy(ha->hw.dma_buf.rds_ring[i].dma_b, ptr, hdr->rxr_size);
534 ptr += hdr->rxr_size;
535 }
536
537 size = hdr->rxr_size * hdr->num_rx_rings;
538 hdr->sds_offset = hdr->rxr_offset + QL_ALIGN(size, 64);
539 hdr->sds_ring_size = sizeof(q80_stat_desc_t) * NUM_STATUS_DESCRIPTORS;
540 hdr->sds_entries = NUM_STATUS_DESCRIPTORS;
541 hdr->num_sds_rings = ha->hw.num_sds_rings;
542
543 ptr = state_buffer + hdr->sds_offset;
544 for (i = 0; i < ha->hw.num_sds_rings; i++) {
545 bcopy(ha->hw.dma_buf.sds_ring[i].dma_b, ptr, hdr->sds_ring_size);
546 ptr += hdr->sds_ring_size;
547 }
548 return;
549 }
550
551 void
552 ql_alloc_drvr_state_buffer(qla_host_t *ha)
553 {
554 uint32_t drvr_state_size;
555
556 drvr_state_size = ql_drvr_state_size(ha);
557
558 ha->hw.drvr_state = malloc(drvr_state_size, M_QLA83XXBUF, M_NOWAIT);
559
560 if (ha->hw.drvr_state != NULL)
561 bzero(ha->hw.drvr_state, drvr_state_size);
562
563 return;
564 }
565
566 void
567 ql_free_drvr_state_buffer(qla_host_t *ha)
568 {
569 if (ha->hw.drvr_state != NULL)
570 free(ha->hw.drvr_state, M_QLA83XXBUF);
571 return;
572 }
573
574 void
575 ql_sp_log(qla_host_t *ha, uint16_t fmtstr_idx, uint16_t num_params,
576 uint32_t param0, uint32_t param1, uint32_t param2, uint32_t param3,
577 uint32_t param4)
578 {
579 qla_sp_log_entry_t *sp_e, *sp_log;
580
581 if (((sp_log = ha->hw.sp_log) == NULL) || ha->hw.sp_log_stop)
582 return;
583
584 mtx_lock(&ha->sp_log_lock);
585
586 sp_e = &sp_log[ha->hw.sp_log_index];
587
588 bzero(sp_e, sizeof (qla_sp_log_entry_t));
589
590 sp_e->fmtstr_idx = fmtstr_idx;
591 sp_e->num_params = num_params;
592
593 sp_e->usec_ts = qla_get_usec_timestamp();
594
595 sp_e->params[0] = param0;
596 sp_e->params[1] = param1;
597 sp_e->params[2] = param2;
598 sp_e->params[3] = param3;
599 sp_e->params[4] = param4;
600
601 ha->hw.sp_log_index = (ha->hw.sp_log_index + 1) & (NUM_LOG_ENTRIES - 1);
602
603 if (ha->hw.sp_log_num_entries < NUM_LOG_ENTRIES)
604 ha->hw.sp_log_num_entries++;
605
606 mtx_unlock(&ha->sp_log_lock);
607
608 return;
609 }
610
611 void
612 ql_alloc_sp_log_buffer(qla_host_t *ha)
613 {
614 uint32_t size;
615
616 size = (sizeof(qla_sp_log_entry_t)) * NUM_LOG_ENTRIES;
617
618 ha->hw.sp_log = malloc(size, M_QLA83XXBUF, M_NOWAIT);
619
620 if (ha->hw.sp_log != NULL)
621 bzero(ha->hw.sp_log, size);
622
623 ha->hw.sp_log_index = 0;
624 ha->hw.sp_log_num_entries = 0;
625
626 return;
627 }
628
629 void
630 ql_free_sp_log_buffer(qla_host_t *ha)
631 {
632 if (ha->hw.sp_log != NULL)
633 free(ha->hw.sp_log, M_QLA83XXBUF);
634 return;
635 }
636
637 static int
638 ql_slowpath_log(qla_host_t *ha, qla_sp_log_t *log)
639 {
640 int rval = 0;
641 uint32_t size;
642
643 if ((ha->hw.sp_log == NULL) || (log->buffer == NULL))
644 return (EINVAL);
645
646 size = (sizeof(qla_sp_log_entry_t) * NUM_LOG_ENTRIES);
647
648 mtx_lock(&ha->sp_log_lock);
649
650 rval = copyout(ha->hw.sp_log, log->buffer, size);
651
652 if (!rval) {
653 log->next_idx = ha->hw.sp_log_index;
654 log->num_entries = ha->hw.sp_log_num_entries;
655 }
656 device_printf(ha->pci_dev,
657 "%s: exit [rval = %d][%p, next_idx = %d, %d entries, %d bytes]\n",
658 __func__, rval, log->buffer, log->next_idx, log->num_entries, size);
659 mtx_unlock(&ha->sp_log_lock);
660
661 return (rval);
662 }
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