xref: /freebsd/sys/dev/ocs_fc/ocs_ioctl.c (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1 /*-
2  * Copyright (c) 2017 Broadcom. All rights reserved.
3  * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  *    this list of conditions and the following disclaimer.
10  *
11  * 2. Redistributions in binary form must reproduce the above copyright notice,
12  *    this list of conditions and the following disclaimer in the documentation
13  *    and/or other materials provided with the distribution.
14  *
15  * 3. Neither the name of the copyright holder nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  *
31  * $FreeBSD$
32  */
33 
34 #include "ocs.h"
35 #include "ocs_utils.h"
36 
37 #include <sys/conf.h>
38 #include <sys/sysctl.h>
39 #include <sys/ioccom.h>
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/linker.h>
43 #include <sys/firmware.h>
44 
45 static d_open_t		ocs_open;
46 static d_close_t	ocs_close;
47 static d_ioctl_t	ocs_ioctl;
48 
49 static struct cdevsw ocs_cdevsw = {
50 	.d_version =	D_VERSION,
51 	.d_open =	ocs_open,
52 	.d_close =	ocs_close,
53 	.d_ioctl =	ocs_ioctl,
54 	.d_name =	"ocs_fc"
55 };
56 
57 int
58 ocs_firmware_write(ocs_t *ocs, const uint8_t *buf, size_t buf_len, uint8_t *change_status);
59 
60 static int
61 ocs_open(struct cdev *cdev, int flags, int fmt, struct thread *td)
62 {
63 #if 0
64 	struct ocs_softc *ocs = cdev->si_drv1;
65 
66 	device_printf(ocs->dev, "%s\n", __func__);
67 #endif
68 	return 0;
69 }
70 
71 static int
72 ocs_close(struct cdev *cdev, int flag, int fmt, struct thread *td)
73 {
74 #if 0
75 	struct ocs_softc *ocs = cdev->si_drv1;
76 
77 	device_printf(ocs->dev, "%s\n", __func__);
78 #endif
79 	return 0;
80 }
81 
82 static int32_t
83 __ocs_ioctl_mbox_cb(ocs_hw_t *hw, int32_t status, uint8_t *mqe, void *arg)
84 {
85 	struct ocs_softc *ocs = arg;
86 
87 	/* wait for the ioctl to sleep before calling wakeup */
88 	mtx_lock(&ocs->dbg_lock);
89 
90 	mtx_unlock(&ocs->dbg_lock);
91 
92 	wakeup(arg);
93 
94 	return 0;
95 }
96 
97 static int
98 ocs_process_sli_config (ocs_t *ocs, ocs_ioctl_elxu_mbox_t *mcmd, ocs_dma_t *dma){
99 	sli4_cmd_sli_config_t *sli_config = (sli4_cmd_sli_config_t *)mcmd->payload;
100 
101 	if (sli_config->emb) {
102 		sli4_req_hdr_t	*req = (sli4_req_hdr_t *)sli_config->payload.embed;
103 
104 		switch (req->opcode) {
105 		case SLI4_OPC_COMMON_READ_OBJECT:
106 			if (mcmd->out_bytes) {
107 				sli4_req_common_read_object_t *rdobj =
108 					(sli4_req_common_read_object_t *)sli_config->payload.embed;
109 
110 				if (ocs_dma_alloc(ocs, dma, mcmd->out_bytes, 4096)) {
111 					device_printf(ocs->dev, "%s: COMMON_READ_OBJECT - %lld allocation failed\n",
112 							__func__, (unsigned long long)mcmd->out_bytes);
113 					return ENXIO;
114 				}
115 
116 				memset(dma->virt, 0, mcmd->out_bytes);
117 
118 				rdobj->host_buffer_descriptor[0].bde_type = SLI4_BDE_TYPE_BDE_64;
119 				rdobj->host_buffer_descriptor[0].buffer_length = mcmd->out_bytes;
120 				rdobj->host_buffer_descriptor[0].u.data.buffer_address_low = ocs_addr32_lo(dma->phys);
121 				rdobj->host_buffer_descriptor[0].u.data.buffer_address_high = ocs_addr32_hi(dma->phys);
122 			}
123 			break;
124 		case SLI4_OPC_COMMON_WRITE_OBJECT:
125 		{
126 			sli4_req_common_write_object_t *wrobj =
127 				(sli4_req_common_write_object_t *)sli_config->payload.embed;
128 
129 			if (ocs_dma_alloc(ocs, dma, wrobj->desired_write_length, 4096)) {
130 				device_printf(ocs->dev, "%s: COMMON_WRITE_OBJECT - %d allocation failed\n",
131 						__func__, wrobj->desired_write_length);
132 				return ENXIO;
133 			}
134 			/* setup the descriptor */
135 			wrobj->host_buffer_descriptor[0].bde_type = SLI4_BDE_TYPE_BDE_64;
136 			wrobj->host_buffer_descriptor[0].buffer_length = wrobj->desired_write_length;
137 			wrobj->host_buffer_descriptor[0].u.data.buffer_address_low = ocs_addr32_lo(dma->phys);
138 			wrobj->host_buffer_descriptor[0].u.data.buffer_address_high = ocs_addr32_hi(dma->phys);
139 
140 			/* copy the data into the DMA buffer */
141 			copyin((void *)(uintptr_t)mcmd->in_addr, dma->virt, mcmd->in_bytes);
142 		}
143 			break;
144 		case SLI4_OPC_COMMON_DELETE_OBJECT:
145 			break;
146 		case SLI4_OPC_COMMON_READ_OBJECT_LIST:
147 			if (mcmd->out_bytes) {
148 				sli4_req_common_read_object_list_t *rdobj =
149 					(sli4_req_common_read_object_list_t *)sli_config->payload.embed;
150 
151 				if (ocs_dma_alloc(ocs, dma, mcmd->out_bytes, 4096)) {
152 					device_printf(ocs->dev, "%s: COMMON_READ_OBJECT_LIST - %lld allocation failed\n",
153 							__func__,(unsigned long long) mcmd->out_bytes);
154 					return ENXIO;
155 				}
156 
157 				memset(dma->virt, 0, mcmd->out_bytes);
158 
159 				rdobj->host_buffer_descriptor[0].bde_type = SLI4_BDE_TYPE_BDE_64;
160 				rdobj->host_buffer_descriptor[0].buffer_length = mcmd->out_bytes;
161 				rdobj->host_buffer_descriptor[0].u.data.buffer_address_low = ocs_addr32_lo(dma->phys);
162 				rdobj->host_buffer_descriptor[0].u.data.buffer_address_high = ocs_addr32_hi(dma->phys);
163 			}
164 			break;
165 		case SLI4_OPC_COMMON_READ_TRANSCEIVER_DATA:
166 			break;
167 		default:
168 			device_printf(ocs->dev, "%s: in=%p (%lld) out=%p (%lld)\n", __func__,
169 					(void *)(uintptr_t)mcmd->in_addr, (unsigned long long)mcmd->in_bytes,
170 					(void *)(uintptr_t)mcmd->out_addr, (unsigned long long)mcmd->out_bytes);
171 			device_printf(ocs->dev, "%s: unknown (opc=%#x)\n", __func__,
172 					req->opcode);
173 			hexdump(mcmd, mcmd->size, NULL, 0);
174 			break;
175 		}
176 	} else {
177 		uint32_t max_bytes = max(mcmd->in_bytes, mcmd->out_bytes);
178 		if (ocs_dma_alloc(ocs, dma, max_bytes, 4096)) {
179 			device_printf(ocs->dev, "%s: non-embedded - %u allocation failed\n",
180 					__func__, max_bytes);
181 			return ENXIO;
182 		}
183 
184 		copyin((void *)(uintptr_t)mcmd->in_addr, dma->virt, mcmd->in_bytes);
185 
186 		sli_config->payload.mem.address_low  = ocs_addr32_lo(dma->phys);
187 		sli_config->payload.mem.address_high = ocs_addr32_hi(dma->phys);
188 		sli_config->payload.mem.length       = max_bytes;
189 	}
190 
191 	return 0;
192 }
193 
194 static int
195 ocs_process_mbx_ioctl(ocs_t *ocs, ocs_ioctl_elxu_mbox_t *mcmd)
196 {
197 	ocs_dma_t	dma = { 0 };
198 
199 	if ((ELXU_BSD_MAGIC != mcmd->magic) ||
200 			(sizeof(ocs_ioctl_elxu_mbox_t) != mcmd->size)) {
201 		device_printf(ocs->dev, "%s: malformed command m=%08x s=%08x\n",
202 				__func__, mcmd->magic, mcmd->size);
203 		return EINVAL;
204 	}
205 
206 	switch(((sli4_mbox_command_header_t *)mcmd->payload)->command) {
207 	case SLI4_MBOX_COMMAND_SLI_CONFIG:
208 		if (ENXIO == ocs_process_sli_config(ocs, mcmd, &dma))
209 			return ENXIO;
210 		break;
211 
212 	case SLI4_MBOX_COMMAND_READ_REV:
213 	case SLI4_MBOX_COMMAND_READ_STATUS:
214 	case SLI4_MBOX_COMMAND_READ_LNK_STAT:
215 		break;
216 
217 	default:
218 		device_printf(ocs->dev, "command %d\n",((sli4_mbox_command_header_t *)mcmd->payload)->command);
219 		device_printf(ocs->dev, "%s, command not support\n", __func__);
220 		goto no_support;
221 		break;
222 	}
223 
224 	/*
225 	 * The dbg_lock usage here insures the command completion code
226 	 * (__ocs_ioctl_mbox_cb), which calls wakeup(), does not run until
227 	 * after first calling msleep()
228 	 *
229 	 *  1. ioctl grabs dbg_lock
230 	 *  2. ioctl issues command
231 	 *       if the command completes before msleep(), the
232 	 *       command completion code (__ocs_ioctl_mbox_cb) will spin
233 	 *       on dbg_lock before calling wakeup()
234 	 *  3. ioctl calls msleep which releases dbg_lock before sleeping
235 	 *     and reacquires it before waking
236 	 *  4. command completion handler acquires the dbg_lock, immediately
237 	 *     releases it, and calls wakeup
238 	 *  5. msleep returns, re-acquiring the lock
239 	 *  6. ioctl code releases the lock
240 	 */
241 	mtx_lock(&ocs->dbg_lock);
242 	if (ocs_hw_command(&ocs->hw, mcmd->payload, OCS_CMD_NOWAIT,
243 			__ocs_ioctl_mbox_cb, ocs)) {
244 		device_printf(ocs->dev, "%s: command- %x failed\n", __func__,
245 			((sli4_mbox_command_header_t *)mcmd->payload)->command);
246 	}
247 	msleep(ocs, &ocs->dbg_lock, 0, "ocsmbx", 0);
248 	mtx_unlock(&ocs->dbg_lock);
249 
250 	if( SLI4_MBOX_COMMAND_SLI_CONFIG == ((sli4_mbox_command_header_t *)mcmd->payload)->command
251 	  		&& mcmd->out_bytes && dma.virt) {
252 		copyout(dma.virt, (void *)(uintptr_t)mcmd->out_addr, mcmd->out_bytes);
253 	}
254 
255 no_support:
256 	ocs_dma_free(ocs, &dma);
257 
258 	return 0;
259 }
260 
261 /**
262  * @brief perform requested Elx CoreDump helper function
263  *
264  * The Elx CoreDump facility used for BE3 diagnostics uses the OCS_IOCTL_CMD_ECD_HELPER
265  * ioctl function to execute requested "help" functions
266  *
267  * @param ocs pointer to ocs structure
268  * @param req pointer to helper function request
269  *
270  * @return returns 0 for success, a negative error code value for failure.
271  */
272 
273 static int
274 ocs_process_ecd_helper (ocs_t *ocs, ocs_ioctl_ecd_helper_t *req)
275 {
276 	int32_t rc = 0;
277 	uint8_t v8;
278 	uint16_t v16;
279 	uint32_t v32;
280 
281 	/* Check the BAR read/write commands for valid bar */
282 	switch(req->cmd) {
283 	case OCS_ECD_HELPER_BAR_READ8:
284 	case OCS_ECD_HELPER_BAR_READ16:
285 	case OCS_ECD_HELPER_BAR_READ32:
286 	case OCS_ECD_HELPER_BAR_WRITE8:
287 	case OCS_ECD_HELPER_BAR_WRITE16:
288 	case OCS_ECD_HELPER_BAR_WRITE32:
289 		if (req->bar >= PCI_MAX_BAR) {
290 			device_printf(ocs->dev, "Error: bar %d out of range\n", req->bar);
291 			return -EFAULT;
292 		}
293 		if (ocs->reg[req->bar].res == NULL) {
294 			device_printf(ocs->dev, "Error: bar %d not defined\n", req->bar);
295 			return -EFAULT;
296 		}
297 		break;
298 	default:
299 		break;
300 	}
301 
302 	switch(req->cmd) {
303 	case OCS_ECD_HELPER_CFG_READ8:
304 		v8 = ocs_config_read8(ocs, req->offset);
305 		req->data = v8;
306 		break;
307 	case OCS_ECD_HELPER_CFG_READ16:
308 		v16 = ocs_config_read16(ocs, req->offset);
309 		req->data = v16;
310 		break;
311 	case OCS_ECD_HELPER_CFG_READ32:
312 		v32 = ocs_config_read32(ocs, req->offset);
313 		req->data = v32;
314 		break;
315 	case OCS_ECD_HELPER_CFG_WRITE8:
316 		ocs_config_write8(ocs, req->offset, req->data);
317 		break;
318 	case OCS_ECD_HELPER_CFG_WRITE16:
319 		ocs_config_write16(ocs, req->offset, req->data);
320 		break;
321 	case OCS_ECD_HELPER_CFG_WRITE32:
322 		ocs_config_write32(ocs, req->offset, req->data);
323 		break;
324 	case OCS_ECD_HELPER_BAR_READ8:
325 		req->data = ocs_reg_read8(ocs, req->bar, req->offset);
326 		break;
327 	case OCS_ECD_HELPER_BAR_READ16:
328 		req->data = ocs_reg_read16(ocs, req->bar, req->offset);
329 		break;
330 	case OCS_ECD_HELPER_BAR_READ32:
331 		req->data = ocs_reg_read32(ocs, req->bar, req->offset);
332 		break;
333 	case OCS_ECD_HELPER_BAR_WRITE8:
334 		ocs_reg_write8(ocs, req->bar, req->offset, req->data);
335 		break;
336 	case OCS_ECD_HELPER_BAR_WRITE16:
337 		ocs_reg_write16(ocs, req->bar, req->offset, req->data);
338 		break;
339 	case OCS_ECD_HELPER_BAR_WRITE32:
340 		ocs_reg_write32(ocs, req->bar, req->offset, req->data);
341 		break;
342 	default:
343 		device_printf(ocs->dev, "Invalid helper command=%d\n", req->cmd);
344 		break;
345 	}
346 
347 	return rc;
348 }
349 
350 static int
351 ocs_ioctl(struct cdev *cdev, u_long cmd, caddr_t addr, int flag, struct thread *td)
352 {
353 	int status = 0;
354 	struct ocs_softc *ocs = cdev->si_drv1;
355 	device_t dev = ocs->dev;
356 
357 	switch (cmd) {
358 	case OCS_IOCTL_CMD_ELXU_MBOX: {
359 		/* "copyin" done by kernel; thus, just dereference addr */
360 		ocs_ioctl_elxu_mbox_t *mcmd = (void *)addr;
361 		status = ocs_process_mbx_ioctl(ocs, mcmd);
362 		break;
363 	}
364 	case OCS_IOCTL_CMD_ECD_HELPER: {
365 		/* "copyin" done by kernel; thus, just dereference addr */
366 		ocs_ioctl_ecd_helper_t *req = (void *)addr;
367 		status = ocs_process_ecd_helper(ocs, req);
368 		break;
369 	}
370 
371 	case OCS_IOCTL_CMD_VPORT: {
372 		int32_t rc = 0;
373 		ocs_ioctl_vport_t *req = (ocs_ioctl_vport_t*) addr;
374 		ocs_domain_t *domain;
375 
376 		domain = ocs_domain_get_instance(ocs, req->domain_index);
377 		if (domain == NULL) {
378 			device_printf(ocs->dev, "domain [%d] nod found\n",
379 							req->domain_index);
380 			return -EFAULT;
381 		}
382 
383 		if (req->req_create) {
384 			rc = ocs_sport_vport_new(domain, req->wwpn, req->wwnn,
385 						UINT32_MAX, req->enable_ini,
386 					req->enable_tgt, NULL, NULL, TRUE);
387 		} else {
388 			rc = ocs_sport_vport_del(ocs, domain, req->wwpn, req->wwnn);
389 		}
390 
391 		return rc;
392 	}
393 
394 	case OCS_IOCTL_CMD_GET_DDUMP: {
395 		ocs_ioctl_ddump_t *req = (ocs_ioctl_ddump_t*) addr;
396 		ocs_textbuf_t textbuf;
397 		int x;
398 
399 		/* Build a text buffer */
400 		if (ocs_textbuf_alloc(ocs, &textbuf, req->user_buffer_len)) {
401 			device_printf(ocs->dev, "Error: ocs_textbuf_alloc failed\n");
402 			return -EFAULT;
403 		}
404 
405 		switch (req->args.action) {
406 		case OCS_IOCTL_DDUMP_GET:
407 		case OCS_IOCTL_DDUMP_GET_SAVED: {
408 			uint32_t remaining;
409 			uint32_t written;
410 			uint32_t idx;
411 			int32_t n;
412 			ocs_textbuf_t *ptbuf = NULL;
413 			uint32_t flags = 0;
414 
415 			if (req->args.action == OCS_IOCTL_DDUMP_GET_SAVED) {
416 				if (ocs_textbuf_initialized(&ocs->ddump_saved)) {
417 					ptbuf = &ocs->ddump_saved;
418 				}
419 			} else {
420 				if (ocs_textbuf_alloc(ocs, &textbuf, req->user_buffer_len)) {
421 					ocs_log_err(ocs, "Error: ocs_textbuf_alloc failed\n");
422 					return -EFAULT;
423 				}
424 
425 				/* translate IOCTL ddump flags to ddump flags */
426 				if (req->args.flags & OCS_IOCTL_DDUMP_FLAGS_WQES) {
427 					flags |= OCS_DDUMP_FLAGS_WQES;
428 				}
429 				if (req->args.flags & OCS_IOCTL_DDUMP_FLAGS_CQES) {
430 					flags |= OCS_DDUMP_FLAGS_CQES;
431 				}
432 				if (req->args.flags & OCS_IOCTL_DDUMP_FLAGS_MQES) {
433 					flags |= OCS_DDUMP_FLAGS_MQES;
434 				}
435 				if (req->args.flags & OCS_IOCTL_DDUMP_FLAGS_RQES) {
436 					flags |= OCS_DDUMP_FLAGS_RQES;
437 				}
438 				if (req->args.flags & OCS_IOCTL_DDUMP_FLAGS_EQES) {
439 					flags |= OCS_DDUMP_FLAGS_EQES;
440 				}
441 
442 				/* Try 3 times to get the dump */
443 				for(x=0; x<3; x++) {
444 					if (ocs_ddump(ocs, &textbuf, flags, req->args.q_entries) != 0) {
445 						ocs_textbuf_reset(&textbuf);
446 					} else {
447 						/* Success */
448 						x = 0;
449 						break;
450 					}
451 				}
452 				if (x != 0 ) {
453 					/* Retries failed */
454 					ocs_log_test(ocs, "ocs_ddump failed\n");
455 				} else {
456 					ptbuf = &textbuf;
457 				}
458 			}
459 			written = 0;
460 			if (ptbuf != NULL) {
461 				/* Process each textbuf segment */
462 				remaining = req->user_buffer_len;
463 				for (idx = 0; remaining; idx++) {
464 					n = ocs_textbuf_ext_get_written(ptbuf, idx);
465 					if (n < 0) {
466 						break;
467 					}
468 					if ((uint32_t)n >= remaining) {
469 						n = (int32_t)remaining;
470 					}
471 					if (ocs_copy_to_user(req->user_buffer + written,
472 						ocs_textbuf_ext_get_buffer(ptbuf, idx), n)) {
473 						ocs_log_test(ocs, "Error: (%d) ocs_copy_to_user failed\n", __LINE__);
474 					}
475 					written += n;
476 					remaining -= (uint32_t)n;
477 				}
478 			}
479 			req->bytes_written = written;
480 			if (ptbuf == &textbuf) {
481 				ocs_textbuf_free(ocs, &textbuf);
482 			}
483 
484 			break;
485 		}
486 		case OCS_IOCTL_DDUMP_CLR_SAVED:
487 			ocs_clear_saved_ddump(ocs);
488 			break;
489 		default:
490 			ocs_log_err(ocs, "Error: ocs_textbuf_alloc failed\n");
491 			break;
492 		}
493 		break;
494 	}
495 	case OCS_IOCTL_CMD_DRIVER_INFO: {
496 		ocs_ioctl_driver_info_t *req = (ocs_ioctl_driver_info_t*)addr;
497 
498 		ocs_memset(req, 0, sizeof(*req));
499 
500 		req->pci_vendor = ocs->pci_vendor;
501 		req->pci_device = ocs->pci_device;
502 		ocs_strncpy(req->businfo, ocs->businfo, sizeof(req->businfo));
503 
504 		req->sli_intf = ocs_config_read32(ocs, SLI4_INTF_REG);
505 		ocs_strncpy(req->desc, device_get_desc(dev), sizeof(req->desc));
506 		ocs_strncpy(req->fw_rev, ocs->fwrev, sizeof(req->fw_rev));
507 		if (ocs->domain && ocs->domain->sport) {
508 			*((uint64_t*)req->hw_addr.fc.wwnn) = ocs_htobe64(ocs->domain->sport->wwnn);
509 			*((uint64_t*)req->hw_addr.fc.wwpn) = ocs_htobe64(ocs->domain->sport->wwpn);
510 		}
511 		ocs_strncpy(req->serialnum, ocs->serialnum, sizeof(req->serialnum));
512 		break;
513 	}
514 
515 	case OCS_IOCTL_CMD_MGMT_LIST: {
516 		ocs_ioctl_mgmt_buffer_t* req = (ocs_ioctl_mgmt_buffer_t *)addr;
517 		ocs_textbuf_t textbuf;
518 
519 		/* Build a text buffer */
520 		if (ocs_textbuf_alloc(ocs, &textbuf, req->user_buffer_len)) {
521 			ocs_log_err(ocs, "Error: ocs_textbuf_alloc failed\n");
522 			return -EFAULT;
523 		}
524 
525 		ocs_mgmt_get_list(ocs, &textbuf);
526 
527 		if (ocs_textbuf_get_written(&textbuf)) {
528 			if (ocs_copy_to_user(req->user_buffer,
529 				ocs_textbuf_get_buffer(&textbuf),
530 				ocs_textbuf_get_written(&textbuf))) {
531 				ocs_log_test(ocs, "Error: (%d) ocs_copy_to_user failed\n", __LINE__);
532 			}
533 		}
534 		req->bytes_written = ocs_textbuf_get_written(&textbuf);
535 
536 		ocs_textbuf_free(ocs, &textbuf);
537 
538 		break;
539 	}
540 
541 	case OCS_IOCTL_CMD_MGMT_GET_ALL: {
542 		ocs_ioctl_mgmt_buffer_t* req = (ocs_ioctl_mgmt_buffer_t *)addr;
543 		ocs_textbuf_t textbuf;
544 		int32_t n;
545 		uint32_t idx;
546 		uint32_t copied = 0;
547 
548 		/* Build a text buffer */
549 		if (ocs_textbuf_alloc(ocs, &textbuf, req->user_buffer_len)) {
550 			ocs_log_err(ocs, "Error: ocs_textbuf_alloc failed\n");
551 			return -EFAULT;
552 		}
553 
554 		ocs_mgmt_get_all(ocs, &textbuf);
555 
556 		for (idx = 0; (n = ocs_textbuf_ext_get_written(&textbuf, idx)) > 0; idx++) {
557 			if(ocs_copy_to_user(req->user_buffer + copied,
558 					ocs_textbuf_ext_get_buffer(&textbuf, idx),
559 					ocs_textbuf_ext_get_written(&textbuf, idx))) {
560 					ocs_log_err(ocs, "Error: ocs_textbuf_alloc failed\n");
561 			}
562 			copied += n;
563 		}
564 		req->bytes_written = copied;
565 
566 		ocs_textbuf_free(ocs, &textbuf);
567 
568 		break;
569 	}
570 
571 	case OCS_IOCTL_CMD_MGMT_GET: {
572 		ocs_ioctl_cmd_get_t* req = (ocs_ioctl_cmd_get_t*)addr;
573 		ocs_textbuf_t textbuf;
574 		char name[OCS_MGMT_MAX_NAME];
575 
576 		/* Copy the name value in from user space */
577 		if (ocs_copy_from_user(name, req->name, OCS_MGMT_MAX_NAME)) {
578 			ocs_log_test(ocs, "ocs_copy_from_user failed\n");
579 			ocs_ioctl_free(ocs, req, sizeof(ocs_ioctl_cmd_get_t));
580 			return -EFAULT;
581 		}
582 
583 		/* Build a text buffer */
584 		if (ocs_textbuf_alloc(ocs, &textbuf, req->value_length)) {
585 			ocs_log_err(ocs, "Error: ocs_textbuf_alloc failed\n");
586 			return -EFAULT;
587 		}
588 
589 		ocs_mgmt_get(ocs, name, &textbuf);
590 
591 		if (ocs_textbuf_get_written(&textbuf)) {
592 			if (ocs_copy_to_user(req->value,
593 				ocs_textbuf_get_buffer(&textbuf),
594 				ocs_textbuf_get_written(&textbuf))) {
595 				ocs_log_test(ocs, "Error: (%d) ocs_copy_to_user failed\n", __LINE__);
596 		}
597 		}
598 		req->value_length = ocs_textbuf_get_written(&textbuf);
599 
600 		ocs_textbuf_free(ocs, &textbuf);
601 
602 		break;
603 	}
604 
605 	case OCS_IOCTL_CMD_MGMT_SET: {
606 		char name[OCS_MGMT_MAX_NAME];
607 		char value[OCS_MGMT_MAX_VALUE];
608 		ocs_ioctl_cmd_set_t* req = (ocs_ioctl_cmd_set_t*)addr;
609 
610 		// Copy the name  in from user space
611 		if (ocs_copy_from_user(name, req->name, OCS_MGMT_MAX_NAME)) {
612 			ocs_log_test(ocs, "Error: copy from user failed\n");
613 			ocs_ioctl_free(ocs, req, sizeof(*req));
614 			return -EFAULT;
615 		}
616 
617 		// Copy the  value in from user space
618 		if (ocs_copy_from_user(value, req->value, OCS_MGMT_MAX_VALUE)) {
619 			ocs_log_test(ocs, "Error: copy from user failed\n");
620 			ocs_ioctl_free(ocs, req, sizeof(*req));
621 			return -EFAULT;
622 		}
623 
624 		req->result = ocs_mgmt_set(ocs, req->name, req->value);
625 
626 		break;
627 	}
628 
629 	case OCS_IOCTL_CMD_MGMT_EXEC: {
630 		ocs_ioctl_action_t* req = (ocs_ioctl_action_t*) addr;
631 		char action_name[OCS_MGMT_MAX_NAME];
632 
633 		if (ocs_copy_from_user(action_name, req->name, sizeof(action_name))) {
634 			ocs_log_test(ocs, "Error: copy req.name from user failed\n");
635 			ocs_ioctl_free(ocs, req, sizeof(*req));
636 			return -EFAULT;
637 		}
638 
639 		req->result = ocs_mgmt_exec(ocs, action_name, req->arg_in, req->arg_in_length,
640 				req->arg_out, req->arg_out_length);
641 
642 		break;
643 	}
644 
645 	default:
646 		ocs_log_test(ocs, "Error: unknown cmd %#lx\n", cmd);
647 		status = -ENOTTY;
648 		break;
649 	}
650 	return status;
651 }
652 
653 static void
654 ocs_fw_write_cb(int32_t status, uint32_t actual_write_length,
655 					uint32_t change_status, void *arg)
656 {
657         ocs_mgmt_fw_write_result_t *result = arg;
658 
659         result->status = status;
660         result->actual_xfer = actual_write_length;
661         result->change_status = change_status;
662 
663         ocs_sem_v(&(result->semaphore));
664 }
665 
666 int
667 ocs_firmware_write(ocs_t *ocs, const uint8_t *buf, size_t buf_len,
668 						uint8_t *change_status)
669 {
670         int rc = 0;
671         uint32_t bytes_left;
672         uint32_t xfer_size;
673         uint32_t offset;
674         ocs_dma_t dma;
675         int last = 0;
676         ocs_mgmt_fw_write_result_t result;
677 
678         ocs_sem_init(&(result.semaphore), 0, "fw_write");
679 
680         bytes_left = buf_len;
681         offset = 0;
682 
683         if (ocs_dma_alloc(ocs, &dma, FW_WRITE_BUFSIZE, 4096)) {
684                 ocs_log_err(ocs, "ocs_firmware_write: malloc failed\n");
685                 return -ENOMEM;
686         }
687 
688         while (bytes_left > 0) {
689                 if (bytes_left > FW_WRITE_BUFSIZE) {
690                         xfer_size = FW_WRITE_BUFSIZE;
691                 } else {
692                         xfer_size = bytes_left;
693                 }
694 
695                 ocs_memcpy(dma.virt, buf + offset, xfer_size);
696 
697                 if (bytes_left == xfer_size) {
698                         last = 1;
699                 }
700 
701                 ocs_hw_firmware_write(&ocs->hw, &dma, xfer_size, offset,
702 						last, ocs_fw_write_cb, &result);
703 
704                 if (ocs_sem_p(&(result.semaphore), OCS_SEM_FOREVER) != 0) {
705                         rc = -ENXIO;
706                         break;
707                 }
708 
709                 if (result.actual_xfer == 0 || result.status != 0) {
710                         rc = -EFAULT;
711                         break;
712                 }
713 
714                 if (last) {
715                         *change_status = result.change_status;
716                 }
717 
718                 bytes_left -= result.actual_xfer;
719                 offset += result.actual_xfer;
720         }
721 
722         ocs_dma_free(ocs, &dma);
723         return rc;
724 }
725 
726 static int
727 ocs_sys_fwupgrade(SYSCTL_HANDLER_ARGS)
728 {
729 	char file_name[256] = {0};
730 	char fw_change_status;
731 	uint32_t rc = 1;
732         ocs_t *ocs  = (ocs_t *)arg1;
733         const struct firmware *fw;
734 	const struct ocs_hw_grp_hdr *fw_image;
735 
736         rc = sysctl_handle_string(oidp, file_name, sizeof(file_name), req);
737         if (rc || !req->newptr)
738                 return rc;
739 
740         fw = firmware_get(file_name);
741         if (fw == NULL) {
742                 device_printf(ocs->dev, "Unable to get Firmware. "
743                         "Make sure %s is copied to /boot/modules\n", file_name);
744                 return ENOENT;
745         }
746 
747 	fw_image = (const struct ocs_hw_grp_hdr *)fw->data;
748 
749         /* Check if firmware provided is compatible with this particular
750          * Adapter of not*/
751         if ((ocs_be32toh(fw_image->magic_number) != OCS_HW_OBJECT_G5) &&
752                 (ocs_be32toh(fw_image->magic_number) != OCS_HW_OBJECT_G6)) {
753                 device_printf(ocs->dev,
754                         "Invalid FW image found Magic: 0x%x Size: %zu \n",
755                         ocs_be32toh(fw_image->magic_number), fw->datasize);
756                 rc = -1;
757                 goto exit;
758         }
759 
760         if (!strncmp(ocs->fw_version, fw_image->revision,
761 					strnlen(fw_image->revision, 16))) {
762                 device_printf(ocs->dev, "No update req. "
763 				"Firmware is already up to date. \n");
764                 rc = 0;
765                 goto exit;
766         }
767 
768 	device_printf(ocs->dev, "Upgrading Firmware from %s to %s \n",
769 				ocs->fw_version, fw_image->revision);
770 
771 	rc = ocs_firmware_write(ocs, fw->data, fw->datasize, &fw_change_status);
772         if (rc) {
773                 ocs_log_err(ocs, "Firmware update failed with status = %d\n", rc);
774         } else {
775                 ocs_log_info(ocs, "Firmware updated successfully\n");
776                 switch (fw_change_status) {
777                         case 0x00:
778                                 device_printf(ocs->dev,
779 				"No reset needed, new firmware is active.\n");
780                                 break;
781                         case 0x01:
782                                 device_printf(ocs->dev,
783 				"A physical device reset (host reboot) is "
784 				"needed to activate the new firmware\n");
785                                 break;
786                         case 0x02:
787                         case 0x03:
788                                 device_printf(ocs->dev,
789 				"firmware is resetting to activate the new "
790 				"firmware, Host reboot is needed \n");
791                                 break;
792                         default:
793                                 ocs_log_warn(ocs,
794                                         "Unexected value change_status: %d\n",
795                                         fw_change_status);
796                                 break;
797                 }
798         }
799 
800 exit:
801         /* Release Firmware*/
802         firmware_put(fw, FIRMWARE_UNLOAD);
803 
804         return rc;
805 
806 }
807 
808 static int
809 ocs_sysctl_wwnn(SYSCTL_HANDLER_ARGS)
810 {
811 	uint32_t rc = 1;
812 	ocs_t *ocs = oidp->oid_arg1;
813 	char old[64];
814 	char new[64];
815 	uint64_t *wwnn = NULL;
816 	ocs_xport_t *xport = ocs->xport;
817 
818 	if (xport->req_wwnn) {
819 		wwnn = &xport->req_wwnn;
820 		memset(old, 0, sizeof(old));
821 		snprintf(old, sizeof(old), "0x%llx" , (unsigned long long) *wwnn);
822 
823 	} else {
824 		wwnn = ocs_hw_get_ptr(&ocs->hw, OCS_HW_WWN_NODE);
825 
826 		memset(old, 0, sizeof(old));
827 		snprintf(old, sizeof(old), "0x%llx" , (unsigned long long) ocs_htobe64(*wwnn));
828 	}
829 
830 	/*Read wwnn*/
831 	if (!req->newptr) {
832 		return (sysctl_handle_string(oidp, old, sizeof(old), req));
833 	}
834 
835 	/*Configure port wwn*/
836 	rc = sysctl_handle_string(oidp, new, sizeof(new), req);
837 	if (rc)
838 		return (rc);
839 
840 	if (strncmp(old, new, strlen(old)) == 0) {
841 		return 0;
842 	}
843 
844 	return (set_req_wwnn(ocs, NULL, new));
845 }
846 
847 static int
848 ocs_sysctl_wwpn(SYSCTL_HANDLER_ARGS)
849 {
850 	uint32_t rc = 1;
851 	ocs_t *ocs = oidp->oid_arg1;
852 	char old[64];
853 	char new[64];
854 	uint64_t *wwpn = NULL;
855 	ocs_xport_t *xport = ocs->xport;
856 
857 	if (xport->req_wwpn) {
858 		wwpn = &xport->req_wwpn;
859 		memset(old, 0, sizeof(old));
860 		snprintf(old, sizeof(old), "0x%llx",(unsigned long long) *wwpn);
861 	} else {
862 		wwpn = ocs_hw_get_ptr(&ocs->hw, OCS_HW_WWN_PORT);
863 		memset(old, 0, sizeof(old));
864 		snprintf(old, sizeof(old), "0x%llx",(unsigned long long) ocs_htobe64(*wwpn));
865 	}
866 
867 	/*Read wwpn*/
868 	if (!req->newptr) {
869 		return (sysctl_handle_string(oidp, old, sizeof(old), req));
870 	}
871 
872 	/*Configure port wwn*/
873 	rc = sysctl_handle_string(oidp, new, sizeof(new), req);
874 	if (rc)
875 		return (rc);
876 
877 	if (strncmp(old, new, strlen(old)) == 0) {
878 		return 0;
879 	}
880 
881 	return (set_req_wwpn(ocs, NULL, new));
882 }
883 
884 static int
885 ocs_sysctl_current_topology(SYSCTL_HANDLER_ARGS)
886 {
887 	ocs_t *ocs = oidp->oid_arg1;
888 	uint32_t value;
889 
890 	ocs_hw_get(&ocs->hw, OCS_HW_TOPOLOGY, &value);
891 
892 	return (sysctl_handle_int(oidp, &value, 0, req));
893 }
894 
895 static int
896 ocs_sysctl_current_speed(SYSCTL_HANDLER_ARGS)
897 {
898 	ocs_t *ocs = oidp->oid_arg1;
899 	uint32_t value;
900 
901 	ocs_hw_get(&ocs->hw, OCS_HW_LINK_SPEED, &value);
902 
903 	return (sysctl_handle_int(oidp, &value, 0, req));
904 }
905 
906 static int
907 ocs_sysctl_config_topology(SYSCTL_HANDLER_ARGS)
908 {
909 	uint32_t rc = 1;
910 	ocs_t *ocs = oidp->oid_arg1;
911 	uint32_t old_value;
912 	uint32_t new_value;
913 	char buf[64];
914 
915 	ocs_hw_get(&ocs->hw, OCS_HW_CONFIG_TOPOLOGY, &old_value);
916 
917 	/*Read topo*/
918 	if (!req->newptr) {
919 		return (sysctl_handle_int(oidp, &old_value, 0, req));
920 	}
921 
922 	/*Configure port wwn*/
923 	rc = sysctl_handle_int(oidp, &new_value, 0, req);
924 	if (rc)
925 		return (rc);
926 
927 	if (new_value == old_value) {
928 		return 0;
929 	}
930 
931 	snprintf(buf, sizeof(buf), "%d",new_value);
932 	rc = set_configured_topology(ocs, NULL, buf);
933 	return rc;
934 }
935 
936 static int
937 ocs_sysctl_config_speed(SYSCTL_HANDLER_ARGS)
938 {
939 	uint32_t rc = 1;
940 	ocs_t *ocs = oidp->oid_arg1;
941 	uint32_t old_value;
942 	uint32_t new_value;
943 	char buf[64];
944 
945 	ocs_hw_get(&ocs->hw, OCS_HW_LINK_CONFIG_SPEED, &old_value);
946 
947 	/*Read topo*/
948 	if (!req->newptr) {
949 		return (sysctl_handle_int(oidp, &old_value, 0, req));
950 	}
951 
952 	/*Configure port wwn*/
953 	rc = sysctl_handle_int(oidp, &new_value, 0, req);
954 	if (rc)
955 		return (rc);
956 
957 	if (new_value == old_value) {
958 		return 0;
959 	}
960 
961 	snprintf(buf, sizeof(buf), "%d",new_value);
962 	rc = set_configured_speed(ocs, NULL,buf);
963 	return rc;
964 }
965 
966 static int
967 ocs_sysctl_fcid(SYSCTL_HANDLER_ARGS)
968 {
969 	ocs_t *ocs = oidp->oid_arg1;
970 	char buf[64];
971 
972 	memset(buf, 0, sizeof(buf));
973 	if (ocs->domain && ocs->domain->attached) {
974 		snprintf(buf, sizeof(buf), "0x%06x",
975 			ocs->domain->sport->fc_id);
976 	}
977 
978 	return (sysctl_handle_string(oidp, buf, sizeof(buf), req));
979 }
980 
981 static int
982 ocs_sysctl_port_state(SYSCTL_HANDLER_ARGS)
983 {
984 
985 	char new[256] = {0};
986 	uint32_t rc = 1;
987 	ocs_xport_stats_t old;
988 	ocs_t *ocs  = (ocs_t *)arg1;
989 
990 	ocs_xport_status(ocs->xport, OCS_XPORT_CONFIG_PORT_STATUS, &old);
991 
992 	/*Read port state */
993 	if (!req->newptr) {
994 		snprintf(new, sizeof(new), "%s",
995 			(old.value == OCS_XPORT_PORT_OFFLINE) ?
996 					 "offline" : "online");
997 		return (sysctl_handle_string(oidp, new, sizeof(new), req));
998         }
999 
1000 	/*Configure port state*/
1001 	rc = sysctl_handle_string(oidp, new, sizeof(new), req);
1002 	if (rc)
1003 		return (rc);
1004 
1005 	if (ocs_strcasecmp(new, "offline") == 0) {
1006 		if (old.value == OCS_XPORT_PORT_OFFLINE) {
1007 			return (0);
1008 		}
1009 		ocs_log_debug(ocs, "Setting port to %s\n", new);
1010 		rc = ocs_xport_control(ocs->xport, OCS_XPORT_PORT_OFFLINE);
1011 		if (rc != 0) {
1012 			ocs_log_err(ocs, "Setting port to offline failed\n");
1013 		}
1014 	} else if (ocs_strcasecmp(new, "online") == 0) {
1015 		if (old.value == OCS_XPORT_PORT_ONLINE) {
1016 			return (0);
1017 		}
1018 		ocs_log_debug(ocs, "Setting port to %s\n", new);
1019 		rc = ocs_xport_control(ocs->xport, OCS_XPORT_PORT_ONLINE);
1020 		if (rc != 0) {
1021 			ocs_log_err(ocs, "Setting port to online failed\n");
1022 		}
1023 	} else {
1024 		ocs_log_err(ocs, "Unsupported link state %s\n", new);
1025 		rc = 1;
1026 	}
1027 
1028 	return (rc);
1029 
1030 }
1031 
1032 static int
1033 ocs_sysctl_vport_wwpn(SYSCTL_HANDLER_ARGS)
1034 {
1035 	ocs_fcport *fcp = oidp->oid_arg1;
1036 	char str_wwpn[64];
1037 
1038 	memset(str_wwpn, 0, sizeof(str_wwpn));
1039 	snprintf(str_wwpn, sizeof(str_wwpn), "0x%llx", (unsigned long long)fcp->vport->wwpn);
1040 
1041 	return (sysctl_handle_string(oidp, str_wwpn, sizeof(str_wwpn), req));
1042 }
1043 
1044 static int
1045 ocs_sysctl_vport_wwnn(SYSCTL_HANDLER_ARGS)
1046 {
1047 	ocs_fcport *fcp = oidp->oid_arg1;
1048 	char str_wwnn[64];
1049 
1050 	memset(str_wwnn, 0, sizeof(str_wwnn));
1051 	snprintf(str_wwnn, sizeof(str_wwnn), "0x%llx", (unsigned long long)fcp->vport->wwnn);
1052 
1053 	return (sysctl_handle_string(oidp, str_wwnn, sizeof(str_wwnn), req));
1054 }
1055 
1056 /**
1057  * @brief Initialize sysctl
1058  *
1059  * Initialize sysctl so elxsdkutil can query device information.
1060  *
1061  * @param ocs pointer to ocs
1062  * @return void
1063  */
1064 static void
1065 ocs_sysctl_init(ocs_t *ocs)
1066 {
1067 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(ocs->dev);
1068 	struct sysctl_oid *tree = device_get_sysctl_tree(ocs->dev);
1069 	struct sysctl_oid *vtree;
1070 	const char *str = NULL;
1071 	char name[16];
1072 	uint32_t rev, if_type, family, i;
1073 	ocs_fcport *fcp = NULL;
1074 
1075 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1076 			"devid", CTLFLAG_RD, NULL,
1077 			pci_get_devid(ocs->dev), "Device ID");
1078 
1079 	memset(ocs->modeldesc, 0, sizeof(ocs->modeldesc));
1080 	if (0 == pci_get_vpd_ident(ocs->dev, &str)) {
1081 		snprintf(ocs->modeldesc, sizeof(ocs->modeldesc), "%s", str);
1082 	}
1083 	SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1084 			"modeldesc", CTLFLAG_RD,
1085 			ocs->modeldesc,
1086 			0, "Model Description");
1087 
1088 	memset(ocs->serialnum, 0, sizeof(ocs->serialnum));
1089 	if (0 == pci_get_vpd_readonly(ocs->dev, "SN", &str)) {
1090 		snprintf(ocs->serialnum, sizeof(ocs->serialnum), "%s", str);
1091 	}
1092 	SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1093 			"sn", CTLFLAG_RD,
1094 			ocs->serialnum,
1095 			0, "Serial Number");
1096 
1097 	ocs_hw_get(&ocs->hw, OCS_HW_SLI_REV, &rev);
1098 	ocs_hw_get(&ocs->hw, OCS_HW_IF_TYPE, &if_type);
1099 	ocs_hw_get(&ocs->hw, OCS_HW_SLI_FAMILY, &family);
1100 
1101 	memset(ocs->fwrev, 0, sizeof(ocs->fwrev));
1102 	snprintf(ocs->fwrev, sizeof(ocs->fwrev), "%s, sli-%d:%d:%x",
1103 			(char *)ocs_hw_get_ptr(&ocs->hw, OCS_HW_FW_REV),
1104 			rev, if_type, family);
1105 	SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1106 			"fwrev", CTLFLAG_RD,
1107 			ocs->fwrev,
1108 			0, "Firmware Revision");
1109 
1110 	memset(ocs->sli_intf, 0, sizeof(ocs->sli_intf));
1111 	snprintf(ocs->sli_intf, sizeof(ocs->sli_intf), "%08x",
1112 		 ocs_config_read32(ocs, SLI4_INTF_REG));
1113 	SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1114 			  "sli_intf", CTLFLAG_RD,
1115 			  ocs->sli_intf,
1116 			  0, "SLI Interface");
1117 
1118         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "fw_upgrade",
1119             CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_NEEDGIANT, (void *)ocs, 0,
1120 	    ocs_sys_fwupgrade, "A", "Firmware grp file");
1121 
1122 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1123 	    "wwnn", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
1124 	    ocs, 0, ocs_sysctl_wwnn, "A",
1125 	    "World Wide Node Name, wwnn should be in the format 0x<XXXXXXXXXXXXXXXX>");
1126 
1127 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1128 	    "wwpn", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
1129 	    ocs, 0, ocs_sysctl_wwpn, "A",
1130 	    "World Wide Port Name, wwpn should be in the format 0x<XXXXXXXXXXXXXXXX>");
1131 
1132 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1133 	    "current_topology", CTLTYPE_UINT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
1134 	    ocs, 0, ocs_sysctl_current_topology, "IU",
1135 	    "Current Topology, 1-NPort; 2-Loop; 3-None");
1136 
1137 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1138 	    "current_speed", CTLTYPE_UINT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
1139 	    ocs, 0, ocs_sysctl_current_speed, "IU",
1140 	    "Current Speed");
1141 
1142 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1143 	    "configured_topology", CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
1144 	    ocs, 0, ocs_sysctl_config_topology, "IU",
1145 	    "Configured Topology, 0-Auto; 1-NPort; 2-Loop");
1146 
1147 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1148 	    "configured_speed", CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
1149 	    ocs, 0, ocs_sysctl_config_speed, "IU",
1150 	    "Configured Speed, 0-Auto, 2000, 4000, 8000, 16000, 32000");
1151 
1152 	SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1153 			"businfo", CTLFLAG_RD,
1154 			ocs->businfo,
1155 			0, "Bus Info");
1156 
1157 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1158 	    "fcid", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
1159 	    ocs, 0, ocs_sysctl_fcid, "A", "Port FC ID");
1160 
1161 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1162 	    "port_state", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
1163 	    ocs, 0, ocs_sysctl_port_state, "A", "configured port state");
1164 
1165 	for (i	= 0; i < ocs->num_vports; i++) {
1166 		fcp = FCPORT(ocs, i+1);
1167 
1168 		memset(name, 0, sizeof(name));
1169 		snprintf(name, sizeof(name), "vport%d", i);
1170 		vtree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree),
1171 		    OID_AUTO, name, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
1172 		    "Virtual port");
1173 
1174 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(vtree), OID_AUTO,
1175 		    "wwnn", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
1176 		    fcp, 0, ocs_sysctl_vport_wwnn, "A",
1177 		    "World Wide Node Name");
1178 
1179 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(vtree), OID_AUTO,
1180 		    "wwpn", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
1181 		    fcp, 0, ocs_sysctl_vport_wwpn, "A", "World Wide Port Name");
1182 	}
1183 
1184 }
1185 
1186 /**
1187  * @brief Initialize the debug module
1188  *
1189  * Parse device hints (similar to Linux module parameters) here. To use,
1190  * run the command
1191  *    kenv hint.ocs.U.P=V
1192  * from the command line replacing U with the unit # (0,1,...),
1193  * P with the parameter name (debug_mask), and V with the value
1194  */
1195 void
1196 ocs_debug_attach(void *os)
1197 {
1198 	struct ocs_softc *ocs = os;
1199 	int error = 0;
1200 	char *resname = NULL;
1201 	int32_t	unit = INT32_MAX;
1202 	uint32_t ocs_debug_mask = 0;
1203 
1204 	resname = "debug_mask";
1205 	if (0 == (error = resource_int_value(device_get_name(ocs->dev), device_get_unit(ocs->dev),
1206 				resname, &ocs_debug_mask))) {
1207 		device_printf(ocs->dev, "setting %s to %010x\n", resname, ocs_debug_mask);
1208 		ocs_debug_enable(ocs_debug_mask);
1209 	}
1210 
1211 	unit = device_get_unit(ocs->dev);
1212 	ocs->cdev = make_dev(&ocs_cdevsw, unit, UID_ROOT, GID_OPERATOR, 0640,
1213 			"ocs%d", unit);
1214 	if (ocs->cdev) {
1215 		ocs->cdev->si_drv1 = ocs;
1216 	}
1217 
1218 	/* initialize sysctl interface */
1219 	ocs_sysctl_init(ocs);
1220 	mtx_init(&ocs->dbg_lock, "ocs_dbg_lock", NULL, MTX_DEF);
1221 }
1222 
1223 /**
1224  * @brief Free the debug module
1225  */
1226 void
1227 ocs_debug_detach(void *os)
1228 {
1229 	struct ocs_softc *ocs = os;
1230 
1231 	mtx_destroy(&ocs->dbg_lock);
1232 
1233 	if (ocs->cdev) {
1234 		ocs->cdev->si_drv1 = NULL;
1235 		destroy_dev(ocs->cdev);
1236 	}
1237 }
1238