xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_mbx.c (revision 81d67439)
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2011 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8 
9 #include <linux/delay.h>
10 #include <linux/gfp.h>
11 
12 
13 /*
14  * qla2x00_mailbox_command
15  *	Issue mailbox command and waits for completion.
16  *
17  * Input:
18  *	ha = adapter block pointer.
19  *	mcp = driver internal mbx struct pointer.
20  *
21  * Output:
22  *	mb[MAX_MAILBOX_REGISTER_COUNT] = returned mailbox data.
23  *
24  * Returns:
25  *	0 : QLA_SUCCESS = cmd performed success
26  *	1 : QLA_FUNCTION_FAILED   (error encountered)
27  *	6 : QLA_FUNCTION_TIMEOUT (timeout condition encountered)
28  *
29  * Context:
30  *	Kernel context.
31  */
32 static int
33 qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
34 {
35 	int		rval;
36 	unsigned long    flags = 0;
37 	device_reg_t __iomem *reg;
38 	uint8_t		abort_active;
39 	uint8_t		io_lock_on;
40 	uint16_t	command = 0;
41 	uint16_t	*iptr;
42 	uint16_t __iomem *optr;
43 	uint32_t	cnt;
44 	uint32_t	mboxes;
45 	unsigned long	wait_time;
46 	struct qla_hw_data *ha = vha->hw;
47 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
48 
49 	if (ha->pdev->error_state > pci_channel_io_frozen)
50 		return QLA_FUNCTION_TIMEOUT;
51 
52 	if (vha->device_flags & DFLG_DEV_FAILED) {
53 		DEBUG2_3_11(qla_printk(KERN_WARNING, ha,
54 			"%s(%ld): Device in failed state, "
55 			"timeout MBX Exiting.\n",
56 			__func__, base_vha->host_no));
57 		return QLA_FUNCTION_TIMEOUT;
58 	}
59 
60 	reg = ha->iobase;
61 	io_lock_on = base_vha->flags.init_done;
62 
63 	rval = QLA_SUCCESS;
64 	abort_active = test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
65 
66 	DEBUG11(printk("%s(%ld): entered.\n", __func__, base_vha->host_no));
67 
68 	if (ha->flags.pci_channel_io_perm_failure) {
69 		DEBUG(printk("%s(%ld): Perm failure on EEH, timeout MBX "
70 			     "Exiting.\n", __func__, vha->host_no));
71 		return QLA_FUNCTION_TIMEOUT;
72 	}
73 
74 	if (ha->flags.isp82xx_fw_hung) {
75 		/* Setting Link-Down error */
76 		mcp->mb[0] = MBS_LINK_DOWN_ERROR;
77 		rval = QLA_FUNCTION_FAILED;
78 		goto premature_exit;
79 	}
80 
81 	/*
82 	 * Wait for active mailbox commands to finish by waiting at most tov
83 	 * seconds. This is to serialize actual issuing of mailbox cmds during
84 	 * non ISP abort time.
85 	 */
86 	if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, mcp->tov * HZ)) {
87 		/* Timeout occurred. Return error. */
88 		DEBUG2_3_11(printk("%s(%ld): cmd access timeout. "
89 		    "Exiting.\n", __func__, base_vha->host_no));
90 		return QLA_FUNCTION_TIMEOUT;
91 	}
92 
93 	ha->flags.mbox_busy = 1;
94 	/* Save mailbox command for debug */
95 	ha->mcp = mcp;
96 
97 	DEBUG11(printk("scsi(%ld): prepare to issue mbox cmd=0x%x.\n",
98 	    base_vha->host_no, mcp->mb[0]));
99 
100 	spin_lock_irqsave(&ha->hardware_lock, flags);
101 
102 	/* Load mailbox registers. */
103 	if (IS_QLA82XX(ha))
104 		optr = (uint16_t __iomem *)&reg->isp82.mailbox_in[0];
105 	else if (IS_FWI2_CAPABLE(ha) && !IS_QLA82XX(ha))
106 		optr = (uint16_t __iomem *)&reg->isp24.mailbox0;
107 	else
108 		optr = (uint16_t __iomem *)MAILBOX_REG(ha, &reg->isp, 0);
109 
110 	iptr = mcp->mb;
111 	command = mcp->mb[0];
112 	mboxes = mcp->out_mb;
113 
114 	for (cnt = 0; cnt < ha->mbx_count; cnt++) {
115 		if (IS_QLA2200(ha) && cnt == 8)
116 			optr =
117 			    (uint16_t __iomem *)MAILBOX_REG(ha, &reg->isp, 8);
118 		if (mboxes & BIT_0)
119 			WRT_REG_WORD(optr, *iptr);
120 
121 		mboxes >>= 1;
122 		optr++;
123 		iptr++;
124 	}
125 
126 #if defined(QL_DEBUG_LEVEL_1)
127 	printk("%s(%ld): Loaded MBX registers (displayed in bytes) = \n",
128 	    __func__, base_vha->host_no);
129 	qla2x00_dump_buffer((uint8_t *)mcp->mb, 16);
130 	printk("\n");
131 	qla2x00_dump_buffer(((uint8_t *)mcp->mb + 0x10), 16);
132 	printk("\n");
133 	qla2x00_dump_buffer(((uint8_t *)mcp->mb + 0x20), 8);
134 	printk("\n");
135 	printk("%s(%ld): I/O address = %p.\n", __func__, base_vha->host_no,
136 		optr);
137 	qla2x00_dump_regs(base_vha);
138 #endif
139 
140 	/* Issue set host interrupt command to send cmd out. */
141 	ha->flags.mbox_int = 0;
142 	clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
143 
144 	/* Unlock mbx registers and wait for interrupt */
145 	DEBUG11(printk("%s(%ld): going to unlock irq & waiting for interrupt. "
146 	    "jiffies=%lx.\n", __func__, base_vha->host_no, jiffies));
147 
148 	/* Wait for mbx cmd completion until timeout */
149 
150 	if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) {
151 		set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
152 
153 		if (IS_QLA82XX(ha)) {
154 			if (RD_REG_DWORD(&reg->isp82.hint) &
155 				HINT_MBX_INT_PENDING) {
156 				spin_unlock_irqrestore(&ha->hardware_lock,
157 					flags);
158 				DEBUG2_3_11(printk(KERN_INFO
159 				    "%s(%ld): Pending Mailbox timeout. "
160 				    "Exiting.\n", __func__, base_vha->host_no));
161 				rval = QLA_FUNCTION_TIMEOUT;
162 				goto premature_exit;
163 			}
164 			WRT_REG_DWORD(&reg->isp82.hint, HINT_MBX_INT_PENDING);
165 		} else if (IS_FWI2_CAPABLE(ha))
166 			WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_SET_HOST_INT);
167 		else
168 			WRT_REG_WORD(&reg->isp.hccr, HCCR_SET_HOST_INT);
169 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
170 
171 		wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ);
172 
173 		clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
174 
175 	} else {
176 		DEBUG3_11(printk("%s(%ld): cmd=%x POLLING MODE.\n", __func__,
177 		    base_vha->host_no, command));
178 
179 		if (IS_QLA82XX(ha)) {
180 			if (RD_REG_DWORD(&reg->isp82.hint) &
181 				HINT_MBX_INT_PENDING) {
182 				spin_unlock_irqrestore(&ha->hardware_lock,
183 					flags);
184 				DEBUG2_3_11(printk(KERN_INFO
185 				    "%s(%ld): Pending Mailbox timeout. "
186 				    "Exiting.\n", __func__, base_vha->host_no));
187 				rval = QLA_FUNCTION_TIMEOUT;
188 				goto premature_exit;
189 			}
190 			WRT_REG_DWORD(&reg->isp82.hint, HINT_MBX_INT_PENDING);
191 		} else if (IS_FWI2_CAPABLE(ha))
192 			WRT_REG_DWORD(&reg->isp24.hccr, HCCRX_SET_HOST_INT);
193 		else
194 			WRT_REG_WORD(&reg->isp.hccr, HCCR_SET_HOST_INT);
195 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
196 
197 		wait_time = jiffies + mcp->tov * HZ; /* wait at most tov secs */
198 		while (!ha->flags.mbox_int) {
199 			if (time_after(jiffies, wait_time))
200 				break;
201 
202 			/* Check for pending interrupts. */
203 			qla2x00_poll(ha->rsp_q_map[0]);
204 
205 			if (!ha->flags.mbox_int &&
206 			    !(IS_QLA2200(ha) &&
207 			    command == MBC_LOAD_RISC_RAM_EXTENDED))
208 				msleep(10);
209 		} /* while */
210 		DEBUG17(qla_printk(KERN_WARNING, ha,
211 			"Waited %d sec\n",
212 			(uint)((jiffies - (wait_time - (mcp->tov * HZ)))/HZ)));
213 	}
214 
215 	/* Check whether we timed out */
216 	if (ha->flags.mbox_int) {
217 		uint16_t *iptr2;
218 
219 		DEBUG3_11(printk("%s(%ld): cmd %x completed.\n", __func__,
220 		    base_vha->host_no, command));
221 
222 		/* Got interrupt. Clear the flag. */
223 		ha->flags.mbox_int = 0;
224 		clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
225 
226 		if (ha->flags.isp82xx_fw_hung) {
227 			ha->flags.mbox_busy = 0;
228 			/* Setting Link-Down error */
229 			mcp->mb[0] = MBS_LINK_DOWN_ERROR;
230 			ha->mcp = NULL;
231 			rval = QLA_FUNCTION_FAILED;
232 			goto premature_exit;
233 		}
234 
235 		if (ha->mailbox_out[0] != MBS_COMMAND_COMPLETE)
236 			rval = QLA_FUNCTION_FAILED;
237 
238 		/* Load return mailbox registers. */
239 		iptr2 = mcp->mb;
240 		iptr = (uint16_t *)&ha->mailbox_out[0];
241 		mboxes = mcp->in_mb;
242 		for (cnt = 0; cnt < ha->mbx_count; cnt++) {
243 			if (mboxes & BIT_0)
244 				*iptr2 = *iptr;
245 
246 			mboxes >>= 1;
247 			iptr2++;
248 			iptr++;
249 		}
250 	} else {
251 
252 #if defined(QL_DEBUG_LEVEL_2) || defined(QL_DEBUG_LEVEL_3) || \
253 		defined(QL_DEBUG_LEVEL_11)
254 		uint16_t mb0;
255 		uint32_t ictrl;
256 
257 		if (IS_FWI2_CAPABLE(ha)) {
258 			mb0 = RD_REG_WORD(&reg->isp24.mailbox0);
259 			ictrl = RD_REG_DWORD(&reg->isp24.ictrl);
260 		} else {
261 			mb0 = RD_MAILBOX_REG(ha, &reg->isp, 0);
262 			ictrl = RD_REG_WORD(&reg->isp.ictrl);
263 		}
264 		printk("%s(%ld): **** MB Command Timeout for cmd %x ****\n",
265 		    __func__, base_vha->host_no, command);
266 		printk("%s(%ld): icontrol=%x jiffies=%lx\n", __func__,
267 		    base_vha->host_no, ictrl, jiffies);
268 		printk("%s(%ld): *** mailbox[0] = 0x%x ***\n", __func__,
269 		    base_vha->host_no, mb0);
270 		qla2x00_dump_regs(base_vha);
271 #endif
272 
273 		rval = QLA_FUNCTION_TIMEOUT;
274 	}
275 
276 	ha->flags.mbox_busy = 0;
277 
278 	/* Clean up */
279 	ha->mcp = NULL;
280 
281 	if ((abort_active || !io_lock_on) && !IS_NOPOLLING_TYPE(ha)) {
282 		DEBUG11(printk("%s(%ld): checking for additional resp "
283 		    "interrupt.\n", __func__, base_vha->host_no));
284 
285 		/* polling mode for non isp_abort commands. */
286 		qla2x00_poll(ha->rsp_q_map[0]);
287 	}
288 
289 	if (rval == QLA_FUNCTION_TIMEOUT &&
290 	    mcp->mb[0] != MBC_GEN_SYSTEM_ERROR) {
291 		if (!io_lock_on || (mcp->flags & IOCTL_CMD) ||
292 		    ha->flags.eeh_busy) {
293 			/* not in dpc. schedule it for dpc to take over. */
294 			DEBUG(printk("%s(%ld): timeout schedule "
295 			"isp_abort_needed.\n", __func__,
296 			base_vha->host_no));
297 			DEBUG2_3_11(printk("%s(%ld): timeout schedule "
298 			"isp_abort_needed.\n", __func__,
299 			base_vha->host_no));
300 
301 			if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
302 			    !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
303 			    !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
304 
305 				qla_printk(KERN_WARNING, ha,
306 				    "Mailbox command timeout occurred. "
307 				    "Scheduling ISP " "abort. eeh_busy: 0x%x\n",
308 				    ha->flags.eeh_busy);
309 				set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
310 				qla2xxx_wake_dpc(vha);
311 			}
312 		} else if (!abort_active) {
313 			/* call abort directly since we are in the DPC thread */
314 			DEBUG(printk("%s(%ld): timeout calling abort_isp\n",
315 			    __func__, base_vha->host_no));
316 			DEBUG2_3_11(printk("%s(%ld): timeout calling "
317 			    "abort_isp\n", __func__, base_vha->host_no));
318 
319 			if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
320 			    !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
321 			    !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
322 
323 				qla_printk(KERN_WARNING, ha,
324 				    "Mailbox command timeout occurred. "
325 				    "Issuing ISP abort.\n");
326 
327 				set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
328 				clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
329 				if (ha->isp_ops->abort_isp(vha)) {
330 					/* Failed. retry later. */
331 					set_bit(ISP_ABORT_NEEDED,
332 					    &vha->dpc_flags);
333 				}
334 				clear_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
335 				DEBUG(printk("%s(%ld): finished abort_isp\n",
336 				    __func__, vha->host_no));
337 				DEBUG2_3_11(printk(
338 				    "%s(%ld): finished abort_isp\n",
339 				    __func__, vha->host_no));
340 			}
341 		}
342 	}
343 
344 premature_exit:
345 	/* Allow next mbx cmd to come in. */
346 	complete(&ha->mbx_cmd_comp);
347 
348 	if (rval) {
349 		DEBUG2_3_11(printk("%s(%ld): **** FAILED. mbx0=%x, mbx1=%x, "
350 		    "mbx2=%x, cmd=%x ****\n", __func__, base_vha->host_no,
351 		    mcp->mb[0], mcp->mb[1], mcp->mb[2], command));
352 	} else {
353 		DEBUG11(printk("%s(%ld): done.\n", __func__,
354 		base_vha->host_no));
355 	}
356 
357 	return rval;
358 }
359 
360 int
361 qla2x00_load_ram(scsi_qla_host_t *vha, dma_addr_t req_dma, uint32_t risc_addr,
362     uint32_t risc_code_size)
363 {
364 	int rval;
365 	struct qla_hw_data *ha = vha->hw;
366 	mbx_cmd_t mc;
367 	mbx_cmd_t *mcp = &mc;
368 
369 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
370 
371 	if (MSW(risc_addr) || IS_FWI2_CAPABLE(ha)) {
372 		mcp->mb[0] = MBC_LOAD_RISC_RAM_EXTENDED;
373 		mcp->mb[8] = MSW(risc_addr);
374 		mcp->out_mb = MBX_8|MBX_0;
375 	} else {
376 		mcp->mb[0] = MBC_LOAD_RISC_RAM;
377 		mcp->out_mb = MBX_0;
378 	}
379 	mcp->mb[1] = LSW(risc_addr);
380 	mcp->mb[2] = MSW(req_dma);
381 	mcp->mb[3] = LSW(req_dma);
382 	mcp->mb[6] = MSW(MSD(req_dma));
383 	mcp->mb[7] = LSW(MSD(req_dma));
384 	mcp->out_mb |= MBX_7|MBX_6|MBX_3|MBX_2|MBX_1;
385 	if (IS_FWI2_CAPABLE(ha)) {
386 		mcp->mb[4] = MSW(risc_code_size);
387 		mcp->mb[5] = LSW(risc_code_size);
388 		mcp->out_mb |= MBX_5|MBX_4;
389 	} else {
390 		mcp->mb[4] = LSW(risc_code_size);
391 		mcp->out_mb |= MBX_4;
392 	}
393 
394 	mcp->in_mb = MBX_0;
395 	mcp->tov = MBX_TOV_SECONDS;
396 	mcp->flags = 0;
397 	rval = qla2x00_mailbox_command(vha, mcp);
398 
399 	if (rval != QLA_SUCCESS) {
400 		DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x.\n", __func__,
401 		    vha->host_no, rval, mcp->mb[0]));
402 	} else {
403 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
404 	}
405 
406 	return rval;
407 }
408 
409 #define	EXTENDED_BB_CREDITS	BIT_0
410 /*
411  * qla2x00_execute_fw
412  *     Start adapter firmware.
413  *
414  * Input:
415  *     ha = adapter block pointer.
416  *     TARGET_QUEUE_LOCK must be released.
417  *     ADAPTER_STATE_LOCK must be released.
418  *
419  * Returns:
420  *     qla2x00 local function return status code.
421  *
422  * Context:
423  *     Kernel context.
424  */
425 int
426 qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr)
427 {
428 	int rval;
429 	struct qla_hw_data *ha = vha->hw;
430 	mbx_cmd_t mc;
431 	mbx_cmd_t *mcp = &mc;
432 
433 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
434 
435 	mcp->mb[0] = MBC_EXECUTE_FIRMWARE;
436 	mcp->out_mb = MBX_0;
437 	mcp->in_mb = MBX_0;
438 	if (IS_FWI2_CAPABLE(ha)) {
439 		mcp->mb[1] = MSW(risc_addr);
440 		mcp->mb[2] = LSW(risc_addr);
441 		mcp->mb[3] = 0;
442 		if (IS_QLA81XX(ha)) {
443 			struct nvram_81xx *nv = ha->nvram;
444 			mcp->mb[4] = (nv->enhanced_features &
445 			    EXTENDED_BB_CREDITS);
446 		} else
447 			mcp->mb[4] = 0;
448 		mcp->out_mb |= MBX_4|MBX_3|MBX_2|MBX_1;
449 		mcp->in_mb |= MBX_1;
450 	} else {
451 		mcp->mb[1] = LSW(risc_addr);
452 		mcp->out_mb |= MBX_1;
453 		if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
454 			mcp->mb[2] = 0;
455 			mcp->out_mb |= MBX_2;
456 		}
457 	}
458 
459 	mcp->tov = MBX_TOV_SECONDS;
460 	mcp->flags = 0;
461 	rval = qla2x00_mailbox_command(vha, mcp);
462 
463 	if (rval != QLA_SUCCESS) {
464 		DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x.\n", __func__,
465 		    vha->host_no, rval, mcp->mb[0]));
466 	} else {
467 		if (IS_FWI2_CAPABLE(ha)) {
468 			DEBUG11(printk("%s(%ld): done exchanges=%x.\n",
469 			    __func__, vha->host_no, mcp->mb[1]));
470 		} else {
471 			DEBUG11(printk("%s(%ld): done.\n", __func__,
472 			    vha->host_no));
473 		}
474 	}
475 
476 	return rval;
477 }
478 
479 /*
480  * qla2x00_get_fw_version
481  *	Get firmware version.
482  *
483  * Input:
484  *	ha:		adapter state pointer.
485  *	major:		pointer for major number.
486  *	minor:		pointer for minor number.
487  *	subminor:	pointer for subminor number.
488  *
489  * Returns:
490  *	qla2x00 local function return status code.
491  *
492  * Context:
493  *	Kernel context.
494  */
495 int
496 qla2x00_get_fw_version(scsi_qla_host_t *vha, uint16_t *major, uint16_t *minor,
497     uint16_t *subminor, uint16_t *attributes, uint32_t *memory, uint8_t *mpi,
498     uint32_t *mpi_caps, uint8_t *phy)
499 {
500 	int		rval;
501 	mbx_cmd_t	mc;
502 	mbx_cmd_t	*mcp = &mc;
503 
504 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
505 
506 	mcp->mb[0] = MBC_GET_FIRMWARE_VERSION;
507 	mcp->out_mb = MBX_0;
508 	mcp->in_mb = MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
509 	if (IS_QLA81XX(vha->hw))
510 		mcp->in_mb |= MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8;
511 	mcp->flags = 0;
512 	mcp->tov = MBX_TOV_SECONDS;
513 	rval = qla2x00_mailbox_command(vha, mcp);
514 	if (rval != QLA_SUCCESS)
515 		goto failed;
516 
517 	/* Return mailbox data. */
518 	*major = mcp->mb[1];
519 	*minor = mcp->mb[2];
520 	*subminor = mcp->mb[3];
521 	*attributes = mcp->mb[6];
522 	if (IS_QLA2100(vha->hw) || IS_QLA2200(vha->hw))
523 		*memory = 0x1FFFF;			/* Defaults to 128KB. */
524 	else
525 		*memory = (mcp->mb[5] << 16) | mcp->mb[4];
526 	if (IS_QLA81XX(vha->hw)) {
527 		mpi[0] = mcp->mb[10] & 0xff;
528 		mpi[1] = mcp->mb[11] >> 8;
529 		mpi[2] = mcp->mb[11] & 0xff;
530 		*mpi_caps = (mcp->mb[12] << 16) | mcp->mb[13];
531 		phy[0] = mcp->mb[8] & 0xff;
532 		phy[1] = mcp->mb[9] >> 8;
533 		phy[2] = mcp->mb[9] & 0xff;
534 	}
535 failed:
536 	if (rval != QLA_SUCCESS) {
537 		/*EMPTY*/
538 		DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
539 		    vha->host_no, rval));
540 	} else {
541 		/*EMPTY*/
542 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
543 	}
544 	return rval;
545 }
546 
547 /*
548  * qla2x00_get_fw_options
549  *	Set firmware options.
550  *
551  * Input:
552  *	ha = adapter block pointer.
553  *	fwopt = pointer for firmware options.
554  *
555  * Returns:
556  *	qla2x00 local function return status code.
557  *
558  * Context:
559  *	Kernel context.
560  */
561 int
562 qla2x00_get_fw_options(scsi_qla_host_t *vha, uint16_t *fwopts)
563 {
564 	int rval;
565 	mbx_cmd_t mc;
566 	mbx_cmd_t *mcp = &mc;
567 
568 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
569 
570 	mcp->mb[0] = MBC_GET_FIRMWARE_OPTION;
571 	mcp->out_mb = MBX_0;
572 	mcp->in_mb = MBX_3|MBX_2|MBX_1|MBX_0;
573 	mcp->tov = MBX_TOV_SECONDS;
574 	mcp->flags = 0;
575 	rval = qla2x00_mailbox_command(vha, mcp);
576 
577 	if (rval != QLA_SUCCESS) {
578 		/*EMPTY*/
579 		DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
580 		    vha->host_no, rval));
581 	} else {
582 		fwopts[0] = mcp->mb[0];
583 		fwopts[1] = mcp->mb[1];
584 		fwopts[2] = mcp->mb[2];
585 		fwopts[3] = mcp->mb[3];
586 
587 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
588 	}
589 
590 	return rval;
591 }
592 
593 
594 /*
595  * qla2x00_set_fw_options
596  *	Set firmware options.
597  *
598  * Input:
599  *	ha = adapter block pointer.
600  *	fwopt = pointer for firmware options.
601  *
602  * Returns:
603  *	qla2x00 local function return status code.
604  *
605  * Context:
606  *	Kernel context.
607  */
608 int
609 qla2x00_set_fw_options(scsi_qla_host_t *vha, uint16_t *fwopts)
610 {
611 	int rval;
612 	mbx_cmd_t mc;
613 	mbx_cmd_t *mcp = &mc;
614 
615 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
616 
617 	mcp->mb[0] = MBC_SET_FIRMWARE_OPTION;
618 	mcp->mb[1] = fwopts[1];
619 	mcp->mb[2] = fwopts[2];
620 	mcp->mb[3] = fwopts[3];
621 	mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
622 	mcp->in_mb = MBX_0;
623 	if (IS_FWI2_CAPABLE(vha->hw)) {
624 		mcp->in_mb |= MBX_1;
625 	} else {
626 		mcp->mb[10] = fwopts[10];
627 		mcp->mb[11] = fwopts[11];
628 		mcp->mb[12] = 0;	/* Undocumented, but used */
629 		mcp->out_mb |= MBX_12|MBX_11|MBX_10;
630 	}
631 	mcp->tov = MBX_TOV_SECONDS;
632 	mcp->flags = 0;
633 	rval = qla2x00_mailbox_command(vha, mcp);
634 
635 	fwopts[0] = mcp->mb[0];
636 
637 	if (rval != QLA_SUCCESS) {
638 		/*EMPTY*/
639 		DEBUG2_3_11(printk("%s(%ld): failed=%x (%x/%x).\n", __func__,
640 		    vha->host_no, rval, mcp->mb[0], mcp->mb[1]));
641 	} else {
642 		/*EMPTY*/
643 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
644 	}
645 
646 	return rval;
647 }
648 
649 /*
650  * qla2x00_mbx_reg_test
651  *	Mailbox register wrap test.
652  *
653  * Input:
654  *	ha = adapter block pointer.
655  *	TARGET_QUEUE_LOCK must be released.
656  *	ADAPTER_STATE_LOCK must be released.
657  *
658  * Returns:
659  *	qla2x00 local function return status code.
660  *
661  * Context:
662  *	Kernel context.
663  */
664 int
665 qla2x00_mbx_reg_test(scsi_qla_host_t *vha)
666 {
667 	int rval;
668 	mbx_cmd_t mc;
669 	mbx_cmd_t *mcp = &mc;
670 
671 	DEBUG11(printk("qla2x00_mbx_reg_test(%ld): entered.\n", vha->host_no));
672 
673 	mcp->mb[0] = MBC_MAILBOX_REGISTER_TEST;
674 	mcp->mb[1] = 0xAAAA;
675 	mcp->mb[2] = 0x5555;
676 	mcp->mb[3] = 0xAA55;
677 	mcp->mb[4] = 0x55AA;
678 	mcp->mb[5] = 0xA5A5;
679 	mcp->mb[6] = 0x5A5A;
680 	mcp->mb[7] = 0x2525;
681 	mcp->out_mb = MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
682 	mcp->in_mb = MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
683 	mcp->tov = MBX_TOV_SECONDS;
684 	mcp->flags = 0;
685 	rval = qla2x00_mailbox_command(vha, mcp);
686 
687 	if (rval == QLA_SUCCESS) {
688 		if (mcp->mb[1] != 0xAAAA || mcp->mb[2] != 0x5555 ||
689 		    mcp->mb[3] != 0xAA55 || mcp->mb[4] != 0x55AA)
690 			rval = QLA_FUNCTION_FAILED;
691 		if (mcp->mb[5] != 0xA5A5 || mcp->mb[6] != 0x5A5A ||
692 		    mcp->mb[7] != 0x2525)
693 			rval = QLA_FUNCTION_FAILED;
694 	}
695 
696 	if (rval != QLA_SUCCESS) {
697 		/*EMPTY*/
698 		DEBUG2_3_11(printk("qla2x00_mbx_reg_test(%ld): failed=%x.\n",
699 		    vha->host_no, rval));
700 	} else {
701 		/*EMPTY*/
702 		DEBUG11(printk("qla2x00_mbx_reg_test(%ld): done.\n",
703 		    vha->host_no));
704 	}
705 
706 	return rval;
707 }
708 
709 /*
710  * qla2x00_verify_checksum
711  *	Verify firmware checksum.
712  *
713  * Input:
714  *	ha = adapter block pointer.
715  *	TARGET_QUEUE_LOCK must be released.
716  *	ADAPTER_STATE_LOCK must be released.
717  *
718  * Returns:
719  *	qla2x00 local function return status code.
720  *
721  * Context:
722  *	Kernel context.
723  */
724 int
725 qla2x00_verify_checksum(scsi_qla_host_t *vha, uint32_t risc_addr)
726 {
727 	int rval;
728 	mbx_cmd_t mc;
729 	mbx_cmd_t *mcp = &mc;
730 
731 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
732 
733 	mcp->mb[0] = MBC_VERIFY_CHECKSUM;
734 	mcp->out_mb = MBX_0;
735 	mcp->in_mb = MBX_0;
736 	if (IS_FWI2_CAPABLE(vha->hw)) {
737 		mcp->mb[1] = MSW(risc_addr);
738 		mcp->mb[2] = LSW(risc_addr);
739 		mcp->out_mb |= MBX_2|MBX_1;
740 		mcp->in_mb |= MBX_2|MBX_1;
741 	} else {
742 		mcp->mb[1] = LSW(risc_addr);
743 		mcp->out_mb |= MBX_1;
744 		mcp->in_mb |= MBX_1;
745 	}
746 
747 	mcp->tov = MBX_TOV_SECONDS;
748 	mcp->flags = 0;
749 	rval = qla2x00_mailbox_command(vha, mcp);
750 
751 	if (rval != QLA_SUCCESS) {
752 		DEBUG2_3_11(printk("%s(%ld): failed=%x chk sum=%x.\n", __func__,
753 		    vha->host_no, rval, IS_FWI2_CAPABLE(vha->hw) ?
754 		    (mcp->mb[2] << 16) | mcp->mb[1]: mcp->mb[1]));
755 	} else {
756 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
757 	}
758 
759 	return rval;
760 }
761 
762 /*
763  * qla2x00_issue_iocb
764  *	Issue IOCB using mailbox command
765  *
766  * Input:
767  *	ha = adapter state pointer.
768  *	buffer = buffer pointer.
769  *	phys_addr = physical address of buffer.
770  *	size = size of buffer.
771  *	TARGET_QUEUE_LOCK must be released.
772  *	ADAPTER_STATE_LOCK must be released.
773  *
774  * Returns:
775  *	qla2x00 local function return status code.
776  *
777  * Context:
778  *	Kernel context.
779  */
780 int
781 qla2x00_issue_iocb_timeout(scsi_qla_host_t *vha, void *buffer,
782     dma_addr_t phys_addr, size_t size, uint32_t tov)
783 {
784 	int		rval;
785 	mbx_cmd_t	mc;
786 	mbx_cmd_t	*mcp = &mc;
787 
788 	mcp->mb[0] = MBC_IOCB_COMMAND_A64;
789 	mcp->mb[1] = 0;
790 	mcp->mb[2] = MSW(phys_addr);
791 	mcp->mb[3] = LSW(phys_addr);
792 	mcp->mb[6] = MSW(MSD(phys_addr));
793 	mcp->mb[7] = LSW(MSD(phys_addr));
794 	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
795 	mcp->in_mb = MBX_2|MBX_0;
796 	mcp->tov = tov;
797 	mcp->flags = 0;
798 	rval = qla2x00_mailbox_command(vha, mcp);
799 
800 	if (rval != QLA_SUCCESS) {
801 		/*EMPTY*/
802 		DEBUG(printk("qla2x00_issue_iocb(%ld): failed rval 0x%x\n",
803 		    vha->host_no, rval));
804 	} else {
805 		sts_entry_t *sts_entry = (sts_entry_t *) buffer;
806 
807 		/* Mask reserved bits. */
808 		sts_entry->entry_status &=
809 		    IS_FWI2_CAPABLE(vha->hw) ? RF_MASK_24XX : RF_MASK;
810 	}
811 
812 	return rval;
813 }
814 
815 int
816 qla2x00_issue_iocb(scsi_qla_host_t *vha, void *buffer, dma_addr_t phys_addr,
817     size_t size)
818 {
819 	return qla2x00_issue_iocb_timeout(vha, buffer, phys_addr, size,
820 	    MBX_TOV_SECONDS);
821 }
822 
823 /*
824  * qla2x00_abort_command
825  *	Abort command aborts a specified IOCB.
826  *
827  * Input:
828  *	ha = adapter block pointer.
829  *	sp = SB structure pointer.
830  *
831  * Returns:
832  *	qla2x00 local function return status code.
833  *
834  * Context:
835  *	Kernel context.
836  */
837 int
838 qla2x00_abort_command(srb_t *sp)
839 {
840 	unsigned long   flags = 0;
841 	int		rval;
842 	uint32_t	handle = 0;
843 	mbx_cmd_t	mc;
844 	mbx_cmd_t	*mcp = &mc;
845 	fc_port_t	*fcport = sp->fcport;
846 	scsi_qla_host_t *vha = fcport->vha;
847 	struct qla_hw_data *ha = vha->hw;
848 	struct req_que *req = vha->req;
849 
850 	DEBUG11(printk("qla2x00_abort_command(%ld): entered.\n", vha->host_no));
851 
852 	spin_lock_irqsave(&ha->hardware_lock, flags);
853 	for (handle = 1; handle < MAX_OUTSTANDING_COMMANDS; handle++) {
854 		if (req->outstanding_cmds[handle] == sp)
855 			break;
856 	}
857 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
858 
859 	if (handle == MAX_OUTSTANDING_COMMANDS) {
860 		/* command not found */
861 		return QLA_FUNCTION_FAILED;
862 	}
863 
864 	mcp->mb[0] = MBC_ABORT_COMMAND;
865 	if (HAS_EXTENDED_IDS(ha))
866 		mcp->mb[1] = fcport->loop_id;
867 	else
868 		mcp->mb[1] = fcport->loop_id << 8;
869 	mcp->mb[2] = (uint16_t)handle;
870 	mcp->mb[3] = (uint16_t)(handle >> 16);
871 	mcp->mb[6] = (uint16_t)sp->cmd->device->lun;
872 	mcp->out_mb = MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
873 	mcp->in_mb = MBX_0;
874 	mcp->tov = MBX_TOV_SECONDS;
875 	mcp->flags = 0;
876 	rval = qla2x00_mailbox_command(vha, mcp);
877 
878 	if (rval != QLA_SUCCESS) {
879 		DEBUG2_3_11(printk("qla2x00_abort_command(%ld): failed=%x.\n",
880 		    vha->host_no, rval));
881 	} else {
882 		DEBUG11(printk("qla2x00_abort_command(%ld): done.\n",
883 		    vha->host_no));
884 	}
885 
886 	return rval;
887 }
888 
889 int
890 qla2x00_abort_target(struct fc_port *fcport, unsigned int l, int tag)
891 {
892 	int rval, rval2;
893 	mbx_cmd_t  mc;
894 	mbx_cmd_t  *mcp = &mc;
895 	scsi_qla_host_t *vha;
896 	struct req_que *req;
897 	struct rsp_que *rsp;
898 
899 	DEBUG11(printk("%s(%ld): entered.\n", __func__, fcport->vha->host_no));
900 
901 	l = l;
902 	vha = fcport->vha;
903 	req = vha->hw->req_q_map[0];
904 	rsp = req->rsp;
905 	mcp->mb[0] = MBC_ABORT_TARGET;
906 	mcp->out_mb = MBX_9|MBX_2|MBX_1|MBX_0;
907 	if (HAS_EXTENDED_IDS(vha->hw)) {
908 		mcp->mb[1] = fcport->loop_id;
909 		mcp->mb[10] = 0;
910 		mcp->out_mb |= MBX_10;
911 	} else {
912 		mcp->mb[1] = fcport->loop_id << 8;
913 	}
914 	mcp->mb[2] = vha->hw->loop_reset_delay;
915 	mcp->mb[9] = vha->vp_idx;
916 
917 	mcp->in_mb = MBX_0;
918 	mcp->tov = MBX_TOV_SECONDS;
919 	mcp->flags = 0;
920 	rval = qla2x00_mailbox_command(vha, mcp);
921 	if (rval != QLA_SUCCESS) {
922 		DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
923 		    vha->host_no, rval));
924 	}
925 
926 	/* Issue marker IOCB. */
927 	rval2 = qla2x00_marker(vha, req, rsp, fcport->loop_id, 0,
928 							MK_SYNC_ID);
929 	if (rval2 != QLA_SUCCESS) {
930 		DEBUG2_3_11(printk("%s(%ld): failed to issue Marker IOCB "
931 		    "(%x).\n", __func__, vha->host_no, rval2));
932 	} else {
933 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
934 	}
935 
936 	return rval;
937 }
938 
939 int
940 qla2x00_lun_reset(struct fc_port *fcport, unsigned int l, int tag)
941 {
942 	int rval, rval2;
943 	mbx_cmd_t  mc;
944 	mbx_cmd_t  *mcp = &mc;
945 	scsi_qla_host_t *vha;
946 	struct req_que *req;
947 	struct rsp_que *rsp;
948 
949 	DEBUG11(printk("%s(%ld): entered.\n", __func__, fcport->vha->host_no));
950 
951 	vha = fcport->vha;
952 	req = vha->hw->req_q_map[0];
953 	rsp = req->rsp;
954 	mcp->mb[0] = MBC_LUN_RESET;
955 	mcp->out_mb = MBX_9|MBX_3|MBX_2|MBX_1|MBX_0;
956 	if (HAS_EXTENDED_IDS(vha->hw))
957 		mcp->mb[1] = fcport->loop_id;
958 	else
959 		mcp->mb[1] = fcport->loop_id << 8;
960 	mcp->mb[2] = l;
961 	mcp->mb[3] = 0;
962 	mcp->mb[9] = vha->vp_idx;
963 
964 	mcp->in_mb = MBX_0;
965 	mcp->tov = MBX_TOV_SECONDS;
966 	mcp->flags = 0;
967 	rval = qla2x00_mailbox_command(vha, mcp);
968 	if (rval != QLA_SUCCESS) {
969 		DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
970 		    vha->host_no, rval));
971 	}
972 
973 	/* Issue marker IOCB. */
974 	rval2 = qla2x00_marker(vha, req, rsp, fcport->loop_id, l,
975 								MK_SYNC_ID_LUN);
976 	if (rval2 != QLA_SUCCESS) {
977 		DEBUG2_3_11(printk("%s(%ld): failed to issue Marker IOCB "
978 		    "(%x).\n", __func__, vha->host_no, rval2));
979 	} else {
980 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
981 	}
982 
983 	return rval;
984 }
985 
986 /*
987  * qla2x00_get_adapter_id
988  *	Get adapter ID and topology.
989  *
990  * Input:
991  *	ha = adapter block pointer.
992  *	id = pointer for loop ID.
993  *	al_pa = pointer for AL_PA.
994  *	area = pointer for area.
995  *	domain = pointer for domain.
996  *	top = pointer for topology.
997  *	TARGET_QUEUE_LOCK must be released.
998  *	ADAPTER_STATE_LOCK must be released.
999  *
1000  * Returns:
1001  *	qla2x00 local function return status code.
1002  *
1003  * Context:
1004  *	Kernel context.
1005  */
1006 int
1007 qla2x00_get_adapter_id(scsi_qla_host_t *vha, uint16_t *id, uint8_t *al_pa,
1008     uint8_t *area, uint8_t *domain, uint16_t *top, uint16_t *sw_cap)
1009 {
1010 	int rval;
1011 	mbx_cmd_t mc;
1012 	mbx_cmd_t *mcp = &mc;
1013 
1014 	DEBUG11(printk("qla2x00_get_adapter_id(%ld): entered.\n",
1015 	    vha->host_no));
1016 
1017 	mcp->mb[0] = MBC_GET_ADAPTER_LOOP_ID;
1018 	mcp->mb[9] = vha->vp_idx;
1019 	mcp->out_mb = MBX_9|MBX_0;
1020 	mcp->in_mb = MBX_9|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
1021 	if (IS_QLA8XXX_TYPE(vha->hw))
1022 		mcp->in_mb |= MBX_13|MBX_12|MBX_11|MBX_10;
1023 	mcp->tov = MBX_TOV_SECONDS;
1024 	mcp->flags = 0;
1025 	rval = qla2x00_mailbox_command(vha, mcp);
1026 	if (mcp->mb[0] == MBS_COMMAND_ERROR)
1027 		rval = QLA_COMMAND_ERROR;
1028 	else if (mcp->mb[0] == MBS_INVALID_COMMAND)
1029 		rval = QLA_INVALID_COMMAND;
1030 
1031 	/* Return data. */
1032 	*id = mcp->mb[1];
1033 	*al_pa = LSB(mcp->mb[2]);
1034 	*area = MSB(mcp->mb[2]);
1035 	*domain	= LSB(mcp->mb[3]);
1036 	*top = mcp->mb[6];
1037 	*sw_cap = mcp->mb[7];
1038 
1039 	if (rval != QLA_SUCCESS) {
1040 		/*EMPTY*/
1041 		DEBUG2_3_11(printk("qla2x00_get_adapter_id(%ld): failed=%x.\n",
1042 		    vha->host_no, rval));
1043 	} else {
1044 		DEBUG11(printk("qla2x00_get_adapter_id(%ld): done.\n",
1045 		    vha->host_no));
1046 
1047 		if (IS_QLA8XXX_TYPE(vha->hw)) {
1048 			vha->fcoe_vlan_id = mcp->mb[9] & 0xfff;
1049 			vha->fcoe_fcf_idx = mcp->mb[10];
1050 			vha->fcoe_vn_port_mac[5] = mcp->mb[11] >> 8;
1051 			vha->fcoe_vn_port_mac[4] = mcp->mb[11] & 0xff;
1052 			vha->fcoe_vn_port_mac[3] = mcp->mb[12] >> 8;
1053 			vha->fcoe_vn_port_mac[2] = mcp->mb[12] & 0xff;
1054 			vha->fcoe_vn_port_mac[1] = mcp->mb[13] >> 8;
1055 			vha->fcoe_vn_port_mac[0] = mcp->mb[13] & 0xff;
1056 		}
1057 	}
1058 
1059 	return rval;
1060 }
1061 
1062 /*
1063  * qla2x00_get_retry_cnt
1064  *	Get current firmware login retry count and delay.
1065  *
1066  * Input:
1067  *	ha = adapter block pointer.
1068  *	retry_cnt = pointer to login retry count.
1069  *	tov = pointer to login timeout value.
1070  *
1071  * Returns:
1072  *	qla2x00 local function return status code.
1073  *
1074  * Context:
1075  *	Kernel context.
1076  */
1077 int
1078 qla2x00_get_retry_cnt(scsi_qla_host_t *vha, uint8_t *retry_cnt, uint8_t *tov,
1079     uint16_t *r_a_tov)
1080 {
1081 	int rval;
1082 	uint16_t ratov;
1083 	mbx_cmd_t mc;
1084 	mbx_cmd_t *mcp = &mc;
1085 
1086 	DEBUG11(printk("qla2x00_get_retry_cnt(%ld): entered.\n",
1087 			vha->host_no));
1088 
1089 	mcp->mb[0] = MBC_GET_RETRY_COUNT;
1090 	mcp->out_mb = MBX_0;
1091 	mcp->in_mb = MBX_3|MBX_2|MBX_1|MBX_0;
1092 	mcp->tov = MBX_TOV_SECONDS;
1093 	mcp->flags = 0;
1094 	rval = qla2x00_mailbox_command(vha, mcp);
1095 
1096 	if (rval != QLA_SUCCESS) {
1097 		/*EMPTY*/
1098 		DEBUG2_3_11(printk("qla2x00_get_retry_cnt(%ld): failed = %x.\n",
1099 		    vha->host_no, mcp->mb[0]));
1100 	} else {
1101 		/* Convert returned data and check our values. */
1102 		*r_a_tov = mcp->mb[3] / 2;
1103 		ratov = (mcp->mb[3]/2) / 10;  /* mb[3] value is in 100ms */
1104 		if (mcp->mb[1] * ratov > (*retry_cnt) * (*tov)) {
1105 			/* Update to the larger values */
1106 			*retry_cnt = (uint8_t)mcp->mb[1];
1107 			*tov = ratov;
1108 		}
1109 
1110 		DEBUG11(printk("qla2x00_get_retry_cnt(%ld): done. mb3=%d "
1111 		    "ratov=%d.\n", vha->host_no, mcp->mb[3], ratov));
1112 	}
1113 
1114 	return rval;
1115 }
1116 
1117 /*
1118  * qla2x00_init_firmware
1119  *	Initialize adapter firmware.
1120  *
1121  * Input:
1122  *	ha = adapter block pointer.
1123  *	dptr = Initialization control block pointer.
1124  *	size = size of initialization control block.
1125  *	TARGET_QUEUE_LOCK must be released.
1126  *	ADAPTER_STATE_LOCK must be released.
1127  *
1128  * Returns:
1129  *	qla2x00 local function return status code.
1130  *
1131  * Context:
1132  *	Kernel context.
1133  */
1134 int
1135 qla2x00_init_firmware(scsi_qla_host_t *vha, uint16_t size)
1136 {
1137 	int rval;
1138 	mbx_cmd_t mc;
1139 	mbx_cmd_t *mcp = &mc;
1140 	struct qla_hw_data *ha = vha->hw;
1141 
1142 	DEBUG11(printk("qla2x00_init_firmware(%ld): entered.\n",
1143 	    vha->host_no));
1144 
1145 	if (IS_QLA82XX(ha) && ql2xdbwr)
1146 		qla82xx_wr_32(ha, ha->nxdb_wr_ptr,
1147 			(0x04 | (ha->portnum << 5) | (0 << 8) | (0 << 16)));
1148 
1149 	if (ha->flags.npiv_supported)
1150 		mcp->mb[0] = MBC_MID_INITIALIZE_FIRMWARE;
1151 	else
1152 		mcp->mb[0] = MBC_INITIALIZE_FIRMWARE;
1153 
1154 	mcp->mb[1] = 0;
1155 	mcp->mb[2] = MSW(ha->init_cb_dma);
1156 	mcp->mb[3] = LSW(ha->init_cb_dma);
1157 	mcp->mb[6] = MSW(MSD(ha->init_cb_dma));
1158 	mcp->mb[7] = LSW(MSD(ha->init_cb_dma));
1159 	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
1160 	if (IS_QLA81XX(ha) && ha->ex_init_cb->ex_version) {
1161 		mcp->mb[1] = BIT_0;
1162 		mcp->mb[10] = MSW(ha->ex_init_cb_dma);
1163 		mcp->mb[11] = LSW(ha->ex_init_cb_dma);
1164 		mcp->mb[12] = MSW(MSD(ha->ex_init_cb_dma));
1165 		mcp->mb[13] = LSW(MSD(ha->ex_init_cb_dma));
1166 		mcp->mb[14] = sizeof(*ha->ex_init_cb);
1167 		mcp->out_mb |= MBX_14|MBX_13|MBX_12|MBX_11|MBX_10;
1168 	}
1169 	mcp->in_mb = MBX_0;
1170 	mcp->buf_size = size;
1171 	mcp->flags = MBX_DMA_OUT;
1172 	mcp->tov = MBX_TOV_SECONDS;
1173 	rval = qla2x00_mailbox_command(vha, mcp);
1174 
1175 	if (rval != QLA_SUCCESS) {
1176 		/*EMPTY*/
1177 		DEBUG2_3_11(printk("qla2x00_init_firmware(%ld): failed=%x "
1178 		    "mb0=%x.\n",
1179 		    vha->host_no, rval, mcp->mb[0]));
1180 	} else {
1181 		/*EMPTY*/
1182 		DEBUG11(printk("qla2x00_init_firmware(%ld): done.\n",
1183 		    vha->host_no));
1184 	}
1185 
1186 	return rval;
1187 }
1188 
1189 /*
1190  * qla2x00_get_port_database
1191  *	Issue normal/enhanced get port database mailbox command
1192  *	and copy device name as necessary.
1193  *
1194  * Input:
1195  *	ha = adapter state pointer.
1196  *	dev = structure pointer.
1197  *	opt = enhanced cmd option byte.
1198  *
1199  * Returns:
1200  *	qla2x00 local function return status code.
1201  *
1202  * Context:
1203  *	Kernel context.
1204  */
1205 int
1206 qla2x00_get_port_database(scsi_qla_host_t *vha, fc_port_t *fcport, uint8_t opt)
1207 {
1208 	int rval;
1209 	mbx_cmd_t mc;
1210 	mbx_cmd_t *mcp = &mc;
1211 	port_database_t *pd;
1212 	struct port_database_24xx *pd24;
1213 	dma_addr_t pd_dma;
1214 	struct qla_hw_data *ha = vha->hw;
1215 
1216 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
1217 
1218 	pd24 = NULL;
1219 	pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
1220 	if (pd  == NULL) {
1221 		DEBUG2_3(printk("%s(%ld): failed to allocate Port Database "
1222 		    "structure.\n", __func__, vha->host_no));
1223 		return QLA_MEMORY_ALLOC_FAILED;
1224 	}
1225 	memset(pd, 0, max(PORT_DATABASE_SIZE, PORT_DATABASE_24XX_SIZE));
1226 
1227 	mcp->mb[0] = MBC_GET_PORT_DATABASE;
1228 	if (opt != 0 && !IS_FWI2_CAPABLE(ha))
1229 		mcp->mb[0] = MBC_ENHANCED_GET_PORT_DATABASE;
1230 	mcp->mb[2] = MSW(pd_dma);
1231 	mcp->mb[3] = LSW(pd_dma);
1232 	mcp->mb[6] = MSW(MSD(pd_dma));
1233 	mcp->mb[7] = LSW(MSD(pd_dma));
1234 	mcp->mb[9] = vha->vp_idx;
1235 	mcp->out_mb = MBX_9|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
1236 	mcp->in_mb = MBX_0;
1237 	if (IS_FWI2_CAPABLE(ha)) {
1238 		mcp->mb[1] = fcport->loop_id;
1239 		mcp->mb[10] = opt;
1240 		mcp->out_mb |= MBX_10|MBX_1;
1241 		mcp->in_mb |= MBX_1;
1242 	} else if (HAS_EXTENDED_IDS(ha)) {
1243 		mcp->mb[1] = fcport->loop_id;
1244 		mcp->mb[10] = opt;
1245 		mcp->out_mb |= MBX_10|MBX_1;
1246 	} else {
1247 		mcp->mb[1] = fcport->loop_id << 8 | opt;
1248 		mcp->out_mb |= MBX_1;
1249 	}
1250 	mcp->buf_size = IS_FWI2_CAPABLE(ha) ?
1251 	    PORT_DATABASE_24XX_SIZE : PORT_DATABASE_SIZE;
1252 	mcp->flags = MBX_DMA_IN;
1253 	mcp->tov = (ha->login_timeout * 2) + (ha->login_timeout / 2);
1254 	rval = qla2x00_mailbox_command(vha, mcp);
1255 	if (rval != QLA_SUCCESS)
1256 		goto gpd_error_out;
1257 
1258 	if (IS_FWI2_CAPABLE(ha)) {
1259 		pd24 = (struct port_database_24xx *) pd;
1260 
1261 		/* Check for logged in state. */
1262 		if (pd24->current_login_state != PDS_PRLI_COMPLETE &&
1263 		    pd24->last_login_state != PDS_PRLI_COMPLETE) {
1264 			DEBUG2(qla_printk(KERN_WARNING, ha,
1265 			   "scsi(%ld): Unable to verify login-state (%x/%x) "
1266 			   " - portid=%02x%02x%02x.\n", vha->host_no,
1267 			   pd24->current_login_state, pd24->last_login_state,
1268 			   fcport->d_id.b.domain, fcport->d_id.b.area,
1269 			   fcport->d_id.b.al_pa));
1270 			rval = QLA_FUNCTION_FAILED;
1271 			goto gpd_error_out;
1272 		}
1273 
1274 		/* Names are little-endian. */
1275 		memcpy(fcport->node_name, pd24->node_name, WWN_SIZE);
1276 		memcpy(fcport->port_name, pd24->port_name, WWN_SIZE);
1277 
1278 		/* Get port_id of device. */
1279 		fcport->d_id.b.domain = pd24->port_id[0];
1280 		fcport->d_id.b.area = pd24->port_id[1];
1281 		fcport->d_id.b.al_pa = pd24->port_id[2];
1282 		fcport->d_id.b.rsvd_1 = 0;
1283 
1284 		/* If not target must be initiator or unknown type. */
1285 		if ((pd24->prli_svc_param_word_3[0] & BIT_4) == 0)
1286 			fcport->port_type = FCT_INITIATOR;
1287 		else
1288 			fcport->port_type = FCT_TARGET;
1289 	} else {
1290 		/* Check for logged in state. */
1291 		if (pd->master_state != PD_STATE_PORT_LOGGED_IN &&
1292 		    pd->slave_state != PD_STATE_PORT_LOGGED_IN) {
1293 			DEBUG2(qla_printk(KERN_WARNING, ha,
1294 			   "scsi(%ld): Unable to verify login-state (%x/%x) "
1295 			   " - portid=%02x%02x%02x.\n", vha->host_no,
1296 			   pd->master_state, pd->slave_state,
1297 			   fcport->d_id.b.domain, fcport->d_id.b.area,
1298 			   fcport->d_id.b.al_pa));
1299 			rval = QLA_FUNCTION_FAILED;
1300 			goto gpd_error_out;
1301 		}
1302 
1303 		/* Names are little-endian. */
1304 		memcpy(fcport->node_name, pd->node_name, WWN_SIZE);
1305 		memcpy(fcport->port_name, pd->port_name, WWN_SIZE);
1306 
1307 		/* Get port_id of device. */
1308 		fcport->d_id.b.domain = pd->port_id[0];
1309 		fcport->d_id.b.area = pd->port_id[3];
1310 		fcport->d_id.b.al_pa = pd->port_id[2];
1311 		fcport->d_id.b.rsvd_1 = 0;
1312 
1313 		/* If not target must be initiator or unknown type. */
1314 		if ((pd->prli_svc_param_word_3[0] & BIT_4) == 0)
1315 			fcport->port_type = FCT_INITIATOR;
1316 		else
1317 			fcport->port_type = FCT_TARGET;
1318 
1319 		/* Passback COS information. */
1320 		fcport->supported_classes = (pd->options & BIT_4) ?
1321 		    FC_COS_CLASS2: FC_COS_CLASS3;
1322 	}
1323 
1324 gpd_error_out:
1325 	dma_pool_free(ha->s_dma_pool, pd, pd_dma);
1326 
1327 	if (rval != QLA_SUCCESS) {
1328 		DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x mb[1]=%x.\n",
1329 		    __func__, vha->host_no, rval, mcp->mb[0], mcp->mb[1]));
1330 	} else {
1331 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
1332 	}
1333 
1334 	return rval;
1335 }
1336 
1337 /*
1338  * qla2x00_get_firmware_state
1339  *	Get adapter firmware state.
1340  *
1341  * Input:
1342  *	ha = adapter block pointer.
1343  *	dptr = pointer for firmware state.
1344  *	TARGET_QUEUE_LOCK must be released.
1345  *	ADAPTER_STATE_LOCK must be released.
1346  *
1347  * Returns:
1348  *	qla2x00 local function return status code.
1349  *
1350  * Context:
1351  *	Kernel context.
1352  */
1353 int
1354 qla2x00_get_firmware_state(scsi_qla_host_t *vha, uint16_t *states)
1355 {
1356 	int rval;
1357 	mbx_cmd_t mc;
1358 	mbx_cmd_t *mcp = &mc;
1359 
1360 	DEBUG11(printk("qla2x00_get_firmware_state(%ld): entered.\n",
1361 	    vha->host_no));
1362 
1363 	mcp->mb[0] = MBC_GET_FIRMWARE_STATE;
1364 	mcp->out_mb = MBX_0;
1365 	if (IS_FWI2_CAPABLE(vha->hw))
1366 		mcp->in_mb = MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
1367 	else
1368 		mcp->in_mb = MBX_1|MBX_0;
1369 	mcp->tov = MBX_TOV_SECONDS;
1370 	mcp->flags = 0;
1371 	rval = qla2x00_mailbox_command(vha, mcp);
1372 
1373 	/* Return firmware states. */
1374 	states[0] = mcp->mb[1];
1375 	if (IS_FWI2_CAPABLE(vha->hw)) {
1376 		states[1] = mcp->mb[2];
1377 		states[2] = mcp->mb[3];
1378 		states[3] = mcp->mb[4];
1379 		states[4] = mcp->mb[5];
1380 	}
1381 
1382 	if (rval != QLA_SUCCESS) {
1383 		/*EMPTY*/
1384 		DEBUG2_3_11(printk("qla2x00_get_firmware_state(%ld): "
1385 		    "failed=%x.\n", vha->host_no, rval));
1386 	} else {
1387 		/*EMPTY*/
1388 		DEBUG11(printk("qla2x00_get_firmware_state(%ld): done.\n",
1389 		    vha->host_no));
1390 	}
1391 
1392 	return rval;
1393 }
1394 
1395 /*
1396  * qla2x00_get_port_name
1397  *	Issue get port name mailbox command.
1398  *	Returned name is in big endian format.
1399  *
1400  * Input:
1401  *	ha = adapter block pointer.
1402  *	loop_id = loop ID of device.
1403  *	name = pointer for name.
1404  *	TARGET_QUEUE_LOCK must be released.
1405  *	ADAPTER_STATE_LOCK must be released.
1406  *
1407  * Returns:
1408  *	qla2x00 local function return status code.
1409  *
1410  * Context:
1411  *	Kernel context.
1412  */
1413 int
1414 qla2x00_get_port_name(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t *name,
1415     uint8_t opt)
1416 {
1417 	int rval;
1418 	mbx_cmd_t mc;
1419 	mbx_cmd_t *mcp = &mc;
1420 
1421 	DEBUG11(printk("qla2x00_get_port_name(%ld): entered.\n",
1422 	    vha->host_no));
1423 
1424 	mcp->mb[0] = MBC_GET_PORT_NAME;
1425 	mcp->mb[9] = vha->vp_idx;
1426 	mcp->out_mb = MBX_9|MBX_1|MBX_0;
1427 	if (HAS_EXTENDED_IDS(vha->hw)) {
1428 		mcp->mb[1] = loop_id;
1429 		mcp->mb[10] = opt;
1430 		mcp->out_mb |= MBX_10;
1431 	} else {
1432 		mcp->mb[1] = loop_id << 8 | opt;
1433 	}
1434 
1435 	mcp->in_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
1436 	mcp->tov = MBX_TOV_SECONDS;
1437 	mcp->flags = 0;
1438 	rval = qla2x00_mailbox_command(vha, mcp);
1439 
1440 	if (rval != QLA_SUCCESS) {
1441 		/*EMPTY*/
1442 		DEBUG2_3_11(printk("qla2x00_get_port_name(%ld): failed=%x.\n",
1443 		    vha->host_no, rval));
1444 	} else {
1445 		if (name != NULL) {
1446 			/* This function returns name in big endian. */
1447 			name[0] = MSB(mcp->mb[2]);
1448 			name[1] = LSB(mcp->mb[2]);
1449 			name[2] = MSB(mcp->mb[3]);
1450 			name[3] = LSB(mcp->mb[3]);
1451 			name[4] = MSB(mcp->mb[6]);
1452 			name[5] = LSB(mcp->mb[6]);
1453 			name[6] = MSB(mcp->mb[7]);
1454 			name[7] = LSB(mcp->mb[7]);
1455 		}
1456 
1457 		DEBUG11(printk("qla2x00_get_port_name(%ld): done.\n",
1458 		    vha->host_no));
1459 	}
1460 
1461 	return rval;
1462 }
1463 
1464 /*
1465  * qla2x00_lip_reset
1466  *	Issue LIP reset mailbox command.
1467  *
1468  * Input:
1469  *	ha = adapter block pointer.
1470  *	TARGET_QUEUE_LOCK must be released.
1471  *	ADAPTER_STATE_LOCK must be released.
1472  *
1473  * Returns:
1474  *	qla2x00 local function return status code.
1475  *
1476  * Context:
1477  *	Kernel context.
1478  */
1479 int
1480 qla2x00_lip_reset(scsi_qla_host_t *vha)
1481 {
1482 	int rval;
1483 	mbx_cmd_t mc;
1484 	mbx_cmd_t *mcp = &mc;
1485 
1486 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
1487 
1488 	if (IS_QLA8XXX_TYPE(vha->hw)) {
1489 		/* Logout across all FCFs. */
1490 		mcp->mb[0] = MBC_LIP_FULL_LOGIN;
1491 		mcp->mb[1] = BIT_1;
1492 		mcp->mb[2] = 0;
1493 		mcp->out_mb = MBX_2|MBX_1|MBX_0;
1494 	} else if (IS_FWI2_CAPABLE(vha->hw)) {
1495 		mcp->mb[0] = MBC_LIP_FULL_LOGIN;
1496 		mcp->mb[1] = BIT_6;
1497 		mcp->mb[2] = 0;
1498 		mcp->mb[3] = vha->hw->loop_reset_delay;
1499 		mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
1500 	} else {
1501 		mcp->mb[0] = MBC_LIP_RESET;
1502 		mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
1503 		if (HAS_EXTENDED_IDS(vha->hw)) {
1504 			mcp->mb[1] = 0x00ff;
1505 			mcp->mb[10] = 0;
1506 			mcp->out_mb |= MBX_10;
1507 		} else {
1508 			mcp->mb[1] = 0xff00;
1509 		}
1510 		mcp->mb[2] = vha->hw->loop_reset_delay;
1511 		mcp->mb[3] = 0;
1512 	}
1513 	mcp->in_mb = MBX_0;
1514 	mcp->tov = MBX_TOV_SECONDS;
1515 	mcp->flags = 0;
1516 	rval = qla2x00_mailbox_command(vha, mcp);
1517 
1518 	if (rval != QLA_SUCCESS) {
1519 		/*EMPTY*/
1520 		DEBUG2_3_11(printk("%s(%ld): failed=%x.\n",
1521 		    __func__, vha->host_no, rval));
1522 	} else {
1523 		/*EMPTY*/
1524 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
1525 	}
1526 
1527 	return rval;
1528 }
1529 
1530 /*
1531  * qla2x00_send_sns
1532  *	Send SNS command.
1533  *
1534  * Input:
1535  *	ha = adapter block pointer.
1536  *	sns = pointer for command.
1537  *	cmd_size = command size.
1538  *	buf_size = response/command size.
1539  *	TARGET_QUEUE_LOCK must be released.
1540  *	ADAPTER_STATE_LOCK must be released.
1541  *
1542  * Returns:
1543  *	qla2x00 local function return status code.
1544  *
1545  * Context:
1546  *	Kernel context.
1547  */
1548 int
1549 qla2x00_send_sns(scsi_qla_host_t *vha, dma_addr_t sns_phys_address,
1550     uint16_t cmd_size, size_t buf_size)
1551 {
1552 	int rval;
1553 	mbx_cmd_t mc;
1554 	mbx_cmd_t *mcp = &mc;
1555 
1556 	DEBUG11(printk("qla2x00_send_sns(%ld): entered.\n",
1557 	    vha->host_no));
1558 
1559 	DEBUG11(printk("qla2x00_send_sns: retry cnt=%d ratov=%d total "
1560 		"tov=%d.\n", vha->hw->retry_count, vha->hw->login_timeout,
1561 		mcp->tov));
1562 
1563 	mcp->mb[0] = MBC_SEND_SNS_COMMAND;
1564 	mcp->mb[1] = cmd_size;
1565 	mcp->mb[2] = MSW(sns_phys_address);
1566 	mcp->mb[3] = LSW(sns_phys_address);
1567 	mcp->mb[6] = MSW(MSD(sns_phys_address));
1568 	mcp->mb[7] = LSW(MSD(sns_phys_address));
1569 	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
1570 	mcp->in_mb = MBX_0|MBX_1;
1571 	mcp->buf_size = buf_size;
1572 	mcp->flags = MBX_DMA_OUT|MBX_DMA_IN;
1573 	mcp->tov = (vha->hw->login_timeout * 2) + (vha->hw->login_timeout / 2);
1574 	rval = qla2x00_mailbox_command(vha, mcp);
1575 
1576 	if (rval != QLA_SUCCESS) {
1577 		/*EMPTY*/
1578 		DEBUG(printk("qla2x00_send_sns(%ld): failed=%x mb[0]=%x "
1579 		    "mb[1]=%x.\n", vha->host_no, rval, mcp->mb[0], mcp->mb[1]));
1580 		DEBUG2_3_11(printk("qla2x00_send_sns(%ld): failed=%x mb[0]=%x "
1581 		    "mb[1]=%x.\n", vha->host_no, rval, mcp->mb[0], mcp->mb[1]));
1582 	} else {
1583 		/*EMPTY*/
1584 		DEBUG11(printk("qla2x00_send_sns(%ld): done.\n", vha->host_no));
1585 	}
1586 
1587 	return rval;
1588 }
1589 
1590 int
1591 qla24xx_login_fabric(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
1592     uint8_t area, uint8_t al_pa, uint16_t *mb, uint8_t opt)
1593 {
1594 	int		rval;
1595 
1596 	struct logio_entry_24xx *lg;
1597 	dma_addr_t	lg_dma;
1598 	uint32_t	iop[2];
1599 	struct qla_hw_data *ha = vha->hw;
1600 	struct req_que *req;
1601 	struct rsp_que *rsp;
1602 
1603 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
1604 
1605 	if (ha->flags.cpu_affinity_enabled)
1606 		req = ha->req_q_map[0];
1607 	else
1608 		req = vha->req;
1609 	rsp = req->rsp;
1610 
1611 	lg = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &lg_dma);
1612 	if (lg == NULL) {
1613 		DEBUG2_3(printk("%s(%ld): failed to allocate Login IOCB.\n",
1614 		    __func__, vha->host_no));
1615 		return QLA_MEMORY_ALLOC_FAILED;
1616 	}
1617 	memset(lg, 0, sizeof(struct logio_entry_24xx));
1618 
1619 	lg->entry_type = LOGINOUT_PORT_IOCB_TYPE;
1620 	lg->entry_count = 1;
1621 	lg->handle = MAKE_HANDLE(req->id, lg->handle);
1622 	lg->nport_handle = cpu_to_le16(loop_id);
1623 	lg->control_flags = __constant_cpu_to_le16(LCF_COMMAND_PLOGI);
1624 	if (opt & BIT_0)
1625 		lg->control_flags |= __constant_cpu_to_le16(LCF_COND_PLOGI);
1626 	if (opt & BIT_1)
1627 		lg->control_flags |= __constant_cpu_to_le16(LCF_SKIP_PRLI);
1628 	lg->port_id[0] = al_pa;
1629 	lg->port_id[1] = area;
1630 	lg->port_id[2] = domain;
1631 	lg->vp_index = vha->vp_idx;
1632 	rval = qla2x00_issue_iocb(vha, lg, lg_dma, 0);
1633 	if (rval != QLA_SUCCESS) {
1634 		DEBUG2_3_11(printk("%s(%ld): failed to issue Login IOCB "
1635 		    "(%x).\n", __func__, vha->host_no, rval));
1636 	} else if (lg->entry_status != 0) {
1637 		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
1638 		    "-- error status (%x).\n", __func__, vha->host_no,
1639 		    lg->entry_status));
1640 		rval = QLA_FUNCTION_FAILED;
1641 	} else if (lg->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
1642 		iop[0] = le32_to_cpu(lg->io_parameter[0]);
1643 		iop[1] = le32_to_cpu(lg->io_parameter[1]);
1644 
1645 		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
1646 		    "-- completion status (%x)  ioparam=%x/%x.\n", __func__,
1647 		    vha->host_no, le16_to_cpu(lg->comp_status), iop[0],
1648 		    iop[1]));
1649 
1650 		switch (iop[0]) {
1651 		case LSC_SCODE_PORTID_USED:
1652 			mb[0] = MBS_PORT_ID_USED;
1653 			mb[1] = LSW(iop[1]);
1654 			break;
1655 		case LSC_SCODE_NPORT_USED:
1656 			mb[0] = MBS_LOOP_ID_USED;
1657 			break;
1658 		case LSC_SCODE_NOLINK:
1659 		case LSC_SCODE_NOIOCB:
1660 		case LSC_SCODE_NOXCB:
1661 		case LSC_SCODE_CMD_FAILED:
1662 		case LSC_SCODE_NOFABRIC:
1663 		case LSC_SCODE_FW_NOT_READY:
1664 		case LSC_SCODE_NOT_LOGGED_IN:
1665 		case LSC_SCODE_NOPCB:
1666 		case LSC_SCODE_ELS_REJECT:
1667 		case LSC_SCODE_CMD_PARAM_ERR:
1668 		case LSC_SCODE_NONPORT:
1669 		case LSC_SCODE_LOGGED_IN:
1670 		case LSC_SCODE_NOFLOGI_ACC:
1671 		default:
1672 			mb[0] = MBS_COMMAND_ERROR;
1673 			break;
1674 		}
1675 	} else {
1676 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
1677 
1678 		iop[0] = le32_to_cpu(lg->io_parameter[0]);
1679 
1680 		mb[0] = MBS_COMMAND_COMPLETE;
1681 		mb[1] = 0;
1682 		if (iop[0] & BIT_4) {
1683 			if (iop[0] & BIT_8)
1684 				mb[1] |= BIT_1;
1685 		} else
1686 			mb[1] = BIT_0;
1687 
1688 		/* Passback COS information. */
1689 		mb[10] = 0;
1690 		if (lg->io_parameter[7] || lg->io_parameter[8])
1691 			mb[10] |= BIT_0;	/* Class 2. */
1692 		if (lg->io_parameter[9] || lg->io_parameter[10])
1693 			mb[10] |= BIT_1;	/* Class 3. */
1694 	}
1695 
1696 	dma_pool_free(ha->s_dma_pool, lg, lg_dma);
1697 
1698 	return rval;
1699 }
1700 
1701 /*
1702  * qla2x00_login_fabric
1703  *	Issue login fabric port mailbox command.
1704  *
1705  * Input:
1706  *	ha = adapter block pointer.
1707  *	loop_id = device loop ID.
1708  *	domain = device domain.
1709  *	area = device area.
1710  *	al_pa = device AL_PA.
1711  *	status = pointer for return status.
1712  *	opt = command options.
1713  *	TARGET_QUEUE_LOCK must be released.
1714  *	ADAPTER_STATE_LOCK must be released.
1715  *
1716  * Returns:
1717  *	qla2x00 local function return status code.
1718  *
1719  * Context:
1720  *	Kernel context.
1721  */
1722 int
1723 qla2x00_login_fabric(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
1724     uint8_t area, uint8_t al_pa, uint16_t *mb, uint8_t opt)
1725 {
1726 	int rval;
1727 	mbx_cmd_t mc;
1728 	mbx_cmd_t *mcp = &mc;
1729 	struct qla_hw_data *ha = vha->hw;
1730 
1731 	DEBUG11(printk("qla2x00_login_fabric(%ld): entered.\n", vha->host_no));
1732 
1733 	mcp->mb[0] = MBC_LOGIN_FABRIC_PORT;
1734 	mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
1735 	if (HAS_EXTENDED_IDS(ha)) {
1736 		mcp->mb[1] = loop_id;
1737 		mcp->mb[10] = opt;
1738 		mcp->out_mb |= MBX_10;
1739 	} else {
1740 		mcp->mb[1] = (loop_id << 8) | opt;
1741 	}
1742 	mcp->mb[2] = domain;
1743 	mcp->mb[3] = area << 8 | al_pa;
1744 
1745 	mcp->in_mb = MBX_7|MBX_6|MBX_2|MBX_1|MBX_0;
1746 	mcp->tov = (ha->login_timeout * 2) + (ha->login_timeout / 2);
1747 	mcp->flags = 0;
1748 	rval = qla2x00_mailbox_command(vha, mcp);
1749 
1750 	/* Return mailbox statuses. */
1751 	if (mb != NULL) {
1752 		mb[0] = mcp->mb[0];
1753 		mb[1] = mcp->mb[1];
1754 		mb[2] = mcp->mb[2];
1755 		mb[6] = mcp->mb[6];
1756 		mb[7] = mcp->mb[7];
1757 		/* COS retrieved from Get-Port-Database mailbox command. */
1758 		mb[10] = 0;
1759 	}
1760 
1761 	if (rval != QLA_SUCCESS) {
1762 		/* RLU tmp code: need to change main mailbox_command function to
1763 		 * return ok even when the mailbox completion value is not
1764 		 * SUCCESS. The caller needs to be responsible to interpret
1765 		 * the return values of this mailbox command if we're not
1766 		 * to change too much of the existing code.
1767 		 */
1768 		if (mcp->mb[0] == 0x4001 || mcp->mb[0] == 0x4002 ||
1769 		    mcp->mb[0] == 0x4003 || mcp->mb[0] == 0x4005 ||
1770 		    mcp->mb[0] == 0x4006)
1771 			rval = QLA_SUCCESS;
1772 
1773 		/*EMPTY*/
1774 		DEBUG2_3_11(printk("qla2x00_login_fabric(%ld): failed=%x "
1775 		    "mb[0]=%x mb[1]=%x mb[2]=%x.\n", vha->host_no, rval,
1776 		    mcp->mb[0], mcp->mb[1], mcp->mb[2]));
1777 	} else {
1778 		/*EMPTY*/
1779 		DEBUG11(printk("qla2x00_login_fabric(%ld): done.\n",
1780 		    vha->host_no));
1781 	}
1782 
1783 	return rval;
1784 }
1785 
1786 /*
1787  * qla2x00_login_local_device
1788  *           Issue login loop port mailbox command.
1789  *
1790  * Input:
1791  *           ha = adapter block pointer.
1792  *           loop_id = device loop ID.
1793  *           opt = command options.
1794  *
1795  * Returns:
1796  *            Return status code.
1797  *
1798  * Context:
1799  *            Kernel context.
1800  *
1801  */
1802 int
1803 qla2x00_login_local_device(scsi_qla_host_t *vha, fc_port_t *fcport,
1804     uint16_t *mb_ret, uint8_t opt)
1805 {
1806 	int rval;
1807 	mbx_cmd_t mc;
1808 	mbx_cmd_t *mcp = &mc;
1809 	struct qla_hw_data *ha = vha->hw;
1810 
1811 	if (IS_FWI2_CAPABLE(ha))
1812 		return qla24xx_login_fabric(vha, fcport->loop_id,
1813 		    fcport->d_id.b.domain, fcport->d_id.b.area,
1814 		    fcport->d_id.b.al_pa, mb_ret, opt);
1815 
1816 	DEBUG3(printk("%s(%ld): entered.\n", __func__, vha->host_no));
1817 
1818 	mcp->mb[0] = MBC_LOGIN_LOOP_PORT;
1819 	if (HAS_EXTENDED_IDS(ha))
1820 		mcp->mb[1] = fcport->loop_id;
1821 	else
1822 		mcp->mb[1] = fcport->loop_id << 8;
1823 	mcp->mb[2] = opt;
1824 	mcp->out_mb = MBX_2|MBX_1|MBX_0;
1825  	mcp->in_mb = MBX_7|MBX_6|MBX_1|MBX_0;
1826 	mcp->tov = (ha->login_timeout * 2) + (ha->login_timeout / 2);
1827 	mcp->flags = 0;
1828 	rval = qla2x00_mailbox_command(vha, mcp);
1829 
1830  	/* Return mailbox statuses. */
1831  	if (mb_ret != NULL) {
1832  		mb_ret[0] = mcp->mb[0];
1833  		mb_ret[1] = mcp->mb[1];
1834  		mb_ret[6] = mcp->mb[6];
1835  		mb_ret[7] = mcp->mb[7];
1836  	}
1837 
1838 	if (rval != QLA_SUCCESS) {
1839  		/* AV tmp code: need to change main mailbox_command function to
1840  		 * return ok even when the mailbox completion value is not
1841  		 * SUCCESS. The caller needs to be responsible to interpret
1842  		 * the return values of this mailbox command if we're not
1843  		 * to change too much of the existing code.
1844  		 */
1845  		if (mcp->mb[0] == 0x4005 || mcp->mb[0] == 0x4006)
1846  			rval = QLA_SUCCESS;
1847 
1848 		DEBUG(printk("%s(%ld): failed=%x mb[0]=%x mb[1]=%x "
1849 		    "mb[6]=%x mb[7]=%x.\n", __func__, vha->host_no, rval,
1850 		    mcp->mb[0], mcp->mb[1], mcp->mb[6], mcp->mb[7]));
1851 		DEBUG2_3(printk("%s(%ld): failed=%x mb[0]=%x mb[1]=%x "
1852 		    "mb[6]=%x mb[7]=%x.\n", __func__, vha->host_no, rval,
1853 		    mcp->mb[0], mcp->mb[1], mcp->mb[6], mcp->mb[7]));
1854 	} else {
1855 		/*EMPTY*/
1856 		DEBUG3(printk("%s(%ld): done.\n", __func__, vha->host_no));
1857 	}
1858 
1859 	return (rval);
1860 }
1861 
1862 int
1863 qla24xx_fabric_logout(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
1864     uint8_t area, uint8_t al_pa)
1865 {
1866 	int		rval;
1867 	struct logio_entry_24xx *lg;
1868 	dma_addr_t	lg_dma;
1869 	struct qla_hw_data *ha = vha->hw;
1870 	struct req_que *req;
1871 	struct rsp_que *rsp;
1872 
1873 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
1874 
1875 	lg = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &lg_dma);
1876 	if (lg == NULL) {
1877 		DEBUG2_3(printk("%s(%ld): failed to allocate Logout IOCB.\n",
1878 		    __func__, vha->host_no));
1879 		return QLA_MEMORY_ALLOC_FAILED;
1880 	}
1881 	memset(lg, 0, sizeof(struct logio_entry_24xx));
1882 
1883 	if (ql2xmaxqueues > 1)
1884 		req = ha->req_q_map[0];
1885 	else
1886 		req = vha->req;
1887 	rsp = req->rsp;
1888 	lg->entry_type = LOGINOUT_PORT_IOCB_TYPE;
1889 	lg->entry_count = 1;
1890 	lg->handle = MAKE_HANDLE(req->id, lg->handle);
1891 	lg->nport_handle = cpu_to_le16(loop_id);
1892 	lg->control_flags =
1893 	    __constant_cpu_to_le16(LCF_COMMAND_LOGO|LCF_IMPL_LOGO|
1894 		LCF_FREE_NPORT);
1895 	lg->port_id[0] = al_pa;
1896 	lg->port_id[1] = area;
1897 	lg->port_id[2] = domain;
1898 	lg->vp_index = vha->vp_idx;
1899 
1900 	rval = qla2x00_issue_iocb(vha, lg, lg_dma, 0);
1901 	if (rval != QLA_SUCCESS) {
1902 		DEBUG2_3_11(printk("%s(%ld): failed to issue Logout IOCB "
1903 		    "(%x).\n", __func__, vha->host_no, rval));
1904 	} else if (lg->entry_status != 0) {
1905 		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
1906 		    "-- error status (%x).\n", __func__, vha->host_no,
1907 		    lg->entry_status));
1908 		rval = QLA_FUNCTION_FAILED;
1909 	} else if (lg->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
1910 		DEBUG2_3_11(printk("%s(%ld %d): failed to complete IOCB "
1911 		    "-- completion status (%x)  ioparam=%x/%x.\n", __func__,
1912 		    vha->host_no, vha->vp_idx, le16_to_cpu(lg->comp_status),
1913 		    le32_to_cpu(lg->io_parameter[0]),
1914 		    le32_to_cpu(lg->io_parameter[1])));
1915 	} else {
1916 		/*EMPTY*/
1917 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
1918 	}
1919 
1920 	dma_pool_free(ha->s_dma_pool, lg, lg_dma);
1921 
1922 	return rval;
1923 }
1924 
1925 /*
1926  * qla2x00_fabric_logout
1927  *	Issue logout fabric port mailbox command.
1928  *
1929  * Input:
1930  *	ha = adapter block pointer.
1931  *	loop_id = device loop ID.
1932  *	TARGET_QUEUE_LOCK must be released.
1933  *	ADAPTER_STATE_LOCK must be released.
1934  *
1935  * Returns:
1936  *	qla2x00 local function return status code.
1937  *
1938  * Context:
1939  *	Kernel context.
1940  */
1941 int
1942 qla2x00_fabric_logout(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
1943     uint8_t area, uint8_t al_pa)
1944 {
1945 	int rval;
1946 	mbx_cmd_t mc;
1947 	mbx_cmd_t *mcp = &mc;
1948 
1949 	DEBUG11(printk("qla2x00_fabric_logout(%ld): entered.\n",
1950 	    vha->host_no));
1951 
1952 	mcp->mb[0] = MBC_LOGOUT_FABRIC_PORT;
1953 	mcp->out_mb = MBX_1|MBX_0;
1954 	if (HAS_EXTENDED_IDS(vha->hw)) {
1955 		mcp->mb[1] = loop_id;
1956 		mcp->mb[10] = 0;
1957 		mcp->out_mb |= MBX_10;
1958 	} else {
1959 		mcp->mb[1] = loop_id << 8;
1960 	}
1961 
1962 	mcp->in_mb = MBX_1|MBX_0;
1963 	mcp->tov = MBX_TOV_SECONDS;
1964 	mcp->flags = 0;
1965 	rval = qla2x00_mailbox_command(vha, mcp);
1966 
1967 	if (rval != QLA_SUCCESS) {
1968 		/*EMPTY*/
1969 		DEBUG2_3_11(printk("qla2x00_fabric_logout(%ld): failed=%x "
1970 		    "mbx1=%x.\n", vha->host_no, rval, mcp->mb[1]));
1971 	} else {
1972 		/*EMPTY*/
1973 		DEBUG11(printk("qla2x00_fabric_logout(%ld): done.\n",
1974 		    vha->host_no));
1975 	}
1976 
1977 	return rval;
1978 }
1979 
1980 /*
1981  * qla2x00_full_login_lip
1982  *	Issue full login LIP mailbox command.
1983  *
1984  * Input:
1985  *	ha = adapter block pointer.
1986  *	TARGET_QUEUE_LOCK must be released.
1987  *	ADAPTER_STATE_LOCK must be released.
1988  *
1989  * Returns:
1990  *	qla2x00 local function return status code.
1991  *
1992  * Context:
1993  *	Kernel context.
1994  */
1995 int
1996 qla2x00_full_login_lip(scsi_qla_host_t *vha)
1997 {
1998 	int rval;
1999 	mbx_cmd_t mc;
2000 	mbx_cmd_t *mcp = &mc;
2001 
2002 	DEBUG11(printk("qla2x00_full_login_lip(%ld): entered.\n",
2003 	    vha->host_no));
2004 
2005 	mcp->mb[0] = MBC_LIP_FULL_LOGIN;
2006 	mcp->mb[1] = IS_FWI2_CAPABLE(vha->hw) ? BIT_3 : 0;
2007 	mcp->mb[2] = 0;
2008 	mcp->mb[3] = 0;
2009 	mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
2010 	mcp->in_mb = MBX_0;
2011 	mcp->tov = MBX_TOV_SECONDS;
2012 	mcp->flags = 0;
2013 	rval = qla2x00_mailbox_command(vha, mcp);
2014 
2015 	if (rval != QLA_SUCCESS) {
2016 		/*EMPTY*/
2017 		DEBUG2_3_11(printk("qla2x00_full_login_lip(%ld): failed=%x.\n",
2018 		    vha->host_no, rval));
2019 	} else {
2020 		/*EMPTY*/
2021 		DEBUG11(printk("qla2x00_full_login_lip(%ld): done.\n",
2022 		    vha->host_no));
2023 	}
2024 
2025 	return rval;
2026 }
2027 
2028 /*
2029  * qla2x00_get_id_list
2030  *
2031  * Input:
2032  *	ha = adapter block pointer.
2033  *
2034  * Returns:
2035  *	qla2x00 local function return status code.
2036  *
2037  * Context:
2038  *	Kernel context.
2039  */
2040 int
2041 qla2x00_get_id_list(scsi_qla_host_t *vha, void *id_list, dma_addr_t id_list_dma,
2042     uint16_t *entries)
2043 {
2044 	int rval;
2045 	mbx_cmd_t mc;
2046 	mbx_cmd_t *mcp = &mc;
2047 
2048 	DEBUG11(printk("qla2x00_get_id_list(%ld): entered.\n",
2049 	    vha->host_no));
2050 
2051 	if (id_list == NULL)
2052 		return QLA_FUNCTION_FAILED;
2053 
2054 	mcp->mb[0] = MBC_GET_ID_LIST;
2055 	mcp->out_mb = MBX_0;
2056 	if (IS_FWI2_CAPABLE(vha->hw)) {
2057 		mcp->mb[2] = MSW(id_list_dma);
2058 		mcp->mb[3] = LSW(id_list_dma);
2059 		mcp->mb[6] = MSW(MSD(id_list_dma));
2060 		mcp->mb[7] = LSW(MSD(id_list_dma));
2061 		mcp->mb[8] = 0;
2062 		mcp->mb[9] = vha->vp_idx;
2063 		mcp->out_mb |= MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2;
2064 	} else {
2065 		mcp->mb[1] = MSW(id_list_dma);
2066 		mcp->mb[2] = LSW(id_list_dma);
2067 		mcp->mb[3] = MSW(MSD(id_list_dma));
2068 		mcp->mb[6] = LSW(MSD(id_list_dma));
2069 		mcp->out_mb |= MBX_6|MBX_3|MBX_2|MBX_1;
2070 	}
2071 	mcp->in_mb = MBX_1|MBX_0;
2072 	mcp->tov = MBX_TOV_SECONDS;
2073 	mcp->flags = 0;
2074 	rval = qla2x00_mailbox_command(vha, mcp);
2075 
2076 	if (rval != QLA_SUCCESS) {
2077 		/*EMPTY*/
2078 		DEBUG2_3_11(printk("qla2x00_get_id_list(%ld): failed=%x.\n",
2079 		    vha->host_no, rval));
2080 	} else {
2081 		*entries = mcp->mb[1];
2082 		DEBUG11(printk("qla2x00_get_id_list(%ld): done.\n",
2083 		    vha->host_no));
2084 	}
2085 
2086 	return rval;
2087 }
2088 
2089 /*
2090  * qla2x00_get_resource_cnts
2091  *	Get current firmware resource counts.
2092  *
2093  * Input:
2094  *	ha = adapter block pointer.
2095  *
2096  * Returns:
2097  *	qla2x00 local function return status code.
2098  *
2099  * Context:
2100  *	Kernel context.
2101  */
2102 int
2103 qla2x00_get_resource_cnts(scsi_qla_host_t *vha, uint16_t *cur_xchg_cnt,
2104     uint16_t *orig_xchg_cnt, uint16_t *cur_iocb_cnt,
2105     uint16_t *orig_iocb_cnt, uint16_t *max_npiv_vports, uint16_t *max_fcfs)
2106 {
2107 	int rval;
2108 	mbx_cmd_t mc;
2109 	mbx_cmd_t *mcp = &mc;
2110 
2111 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
2112 
2113 	mcp->mb[0] = MBC_GET_RESOURCE_COUNTS;
2114 	mcp->out_mb = MBX_0;
2115 	mcp->in_mb = MBX_11|MBX_10|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
2116 	if (IS_QLA81XX(vha->hw))
2117 		mcp->in_mb |= MBX_12;
2118 	mcp->tov = MBX_TOV_SECONDS;
2119 	mcp->flags = 0;
2120 	rval = qla2x00_mailbox_command(vha, mcp);
2121 
2122 	if (rval != QLA_SUCCESS) {
2123 		/*EMPTY*/
2124 		DEBUG2_3_11(printk("%s(%ld): failed = %x.\n", __func__,
2125 		    vha->host_no, mcp->mb[0]));
2126 	} else {
2127 		DEBUG11(printk("%s(%ld): done. mb1=%x mb2=%x mb3=%x mb6=%x "
2128 		    "mb7=%x mb10=%x mb11=%x mb12=%x.\n", __func__,
2129 		    vha->host_no, mcp->mb[1], mcp->mb[2], mcp->mb[3],
2130 		    mcp->mb[6], mcp->mb[7], mcp->mb[10], mcp->mb[11],
2131 		    mcp->mb[12]));
2132 
2133 		if (cur_xchg_cnt)
2134 			*cur_xchg_cnt = mcp->mb[3];
2135 		if (orig_xchg_cnt)
2136 			*orig_xchg_cnt = mcp->mb[6];
2137 		if (cur_iocb_cnt)
2138 			*cur_iocb_cnt = mcp->mb[7];
2139 		if (orig_iocb_cnt)
2140 			*orig_iocb_cnt = mcp->mb[10];
2141 		if (vha->hw->flags.npiv_supported && max_npiv_vports)
2142 			*max_npiv_vports = mcp->mb[11];
2143 		if (IS_QLA81XX(vha->hw) && max_fcfs)
2144 			*max_fcfs = mcp->mb[12];
2145 	}
2146 
2147 	return (rval);
2148 }
2149 
2150 #if defined(QL_DEBUG_LEVEL_3)
2151 /*
2152  * qla2x00_get_fcal_position_map
2153  *	Get FCAL (LILP) position map using mailbox command
2154  *
2155  * Input:
2156  *	ha = adapter state pointer.
2157  *	pos_map = buffer pointer (can be NULL).
2158  *
2159  * Returns:
2160  *	qla2x00 local function return status code.
2161  *
2162  * Context:
2163  *	Kernel context.
2164  */
2165 int
2166 qla2x00_get_fcal_position_map(scsi_qla_host_t *vha, char *pos_map)
2167 {
2168 	int rval;
2169 	mbx_cmd_t mc;
2170 	mbx_cmd_t *mcp = &mc;
2171 	char *pmap;
2172 	dma_addr_t pmap_dma;
2173 	struct qla_hw_data *ha = vha->hw;
2174 
2175 	pmap = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pmap_dma);
2176 	if (pmap  == NULL) {
2177 		DEBUG2_3_11(printk("%s(%ld): **** Mem Alloc Failed ****",
2178 		    __func__, vha->host_no));
2179 		return QLA_MEMORY_ALLOC_FAILED;
2180 	}
2181 	memset(pmap, 0, FCAL_MAP_SIZE);
2182 
2183 	mcp->mb[0] = MBC_GET_FC_AL_POSITION_MAP;
2184 	mcp->mb[2] = MSW(pmap_dma);
2185 	mcp->mb[3] = LSW(pmap_dma);
2186 	mcp->mb[6] = MSW(MSD(pmap_dma));
2187 	mcp->mb[7] = LSW(MSD(pmap_dma));
2188 	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
2189 	mcp->in_mb = MBX_1|MBX_0;
2190 	mcp->buf_size = FCAL_MAP_SIZE;
2191 	mcp->flags = MBX_DMA_IN;
2192 	mcp->tov = (ha->login_timeout * 2) + (ha->login_timeout / 2);
2193 	rval = qla2x00_mailbox_command(vha, mcp);
2194 
2195 	if (rval == QLA_SUCCESS) {
2196 		DEBUG11(printk("%s(%ld): (mb0=%x/mb1=%x) FC/AL Position Map "
2197 		    "size (%x)\n", __func__, vha->host_no, mcp->mb[0],
2198 		    mcp->mb[1], (unsigned)pmap[0]));
2199 		DEBUG11(qla2x00_dump_buffer(pmap, pmap[0] + 1));
2200 
2201 		if (pos_map)
2202 			memcpy(pos_map, pmap, FCAL_MAP_SIZE);
2203 	}
2204 	dma_pool_free(ha->s_dma_pool, pmap, pmap_dma);
2205 
2206 	if (rval != QLA_SUCCESS) {
2207 		DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
2208 		    vha->host_no, rval));
2209 	} else {
2210 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
2211 	}
2212 
2213 	return rval;
2214 }
2215 #endif
2216 
2217 /*
2218  * qla2x00_get_link_status
2219  *
2220  * Input:
2221  *	ha = adapter block pointer.
2222  *	loop_id = device loop ID.
2223  *	ret_buf = pointer to link status return buffer.
2224  *
2225  * Returns:
2226  *	0 = success.
2227  *	BIT_0 = mem alloc error.
2228  *	BIT_1 = mailbox error.
2229  */
2230 int
2231 qla2x00_get_link_status(scsi_qla_host_t *vha, uint16_t loop_id,
2232     struct link_statistics *stats, dma_addr_t stats_dma)
2233 {
2234 	int rval;
2235 	mbx_cmd_t mc;
2236 	mbx_cmd_t *mcp = &mc;
2237 	uint32_t *siter, *diter, dwords;
2238 	struct qla_hw_data *ha = vha->hw;
2239 
2240 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
2241 
2242 	mcp->mb[0] = MBC_GET_LINK_STATUS;
2243 	mcp->mb[2] = MSW(stats_dma);
2244 	mcp->mb[3] = LSW(stats_dma);
2245 	mcp->mb[6] = MSW(MSD(stats_dma));
2246 	mcp->mb[7] = LSW(MSD(stats_dma));
2247 	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
2248 	mcp->in_mb = MBX_0;
2249 	if (IS_FWI2_CAPABLE(ha)) {
2250 		mcp->mb[1] = loop_id;
2251 		mcp->mb[4] = 0;
2252 		mcp->mb[10] = 0;
2253 		mcp->out_mb |= MBX_10|MBX_4|MBX_1;
2254 		mcp->in_mb |= MBX_1;
2255 	} else if (HAS_EXTENDED_IDS(ha)) {
2256 		mcp->mb[1] = loop_id;
2257 		mcp->mb[10] = 0;
2258 		mcp->out_mb |= MBX_10|MBX_1;
2259 	} else {
2260 		mcp->mb[1] = loop_id << 8;
2261 		mcp->out_mb |= MBX_1;
2262 	}
2263 	mcp->tov = MBX_TOV_SECONDS;
2264 	mcp->flags = IOCTL_CMD;
2265 	rval = qla2x00_mailbox_command(vha, mcp);
2266 
2267 	if (rval == QLA_SUCCESS) {
2268 		if (mcp->mb[0] != MBS_COMMAND_COMPLETE) {
2269 			DEBUG2_3_11(printk("%s(%ld): cmd failed. mbx0=%x.\n",
2270 			    __func__, vha->host_no, mcp->mb[0]));
2271 			rval = QLA_FUNCTION_FAILED;
2272 		} else {
2273 			/* Copy over data -- firmware data is LE. */
2274 			dwords = offsetof(struct link_statistics, unused1) / 4;
2275 			siter = diter = &stats->link_fail_cnt;
2276 			while (dwords--)
2277 				*diter++ = le32_to_cpu(*siter++);
2278 		}
2279 	} else {
2280 		/* Failed. */
2281 		DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
2282 		    vha->host_no, rval));
2283 	}
2284 
2285 	return rval;
2286 }
2287 
2288 int
2289 qla24xx_get_isp_stats(scsi_qla_host_t *vha, struct link_statistics *stats,
2290     dma_addr_t stats_dma)
2291 {
2292 	int rval;
2293 	mbx_cmd_t mc;
2294 	mbx_cmd_t *mcp = &mc;
2295 	uint32_t *siter, *diter, dwords;
2296 
2297 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
2298 
2299 	mcp->mb[0] = MBC_GET_LINK_PRIV_STATS;
2300 	mcp->mb[2] = MSW(stats_dma);
2301 	mcp->mb[3] = LSW(stats_dma);
2302 	mcp->mb[6] = MSW(MSD(stats_dma));
2303 	mcp->mb[7] = LSW(MSD(stats_dma));
2304 	mcp->mb[8] = sizeof(struct link_statistics) / 4;
2305 	mcp->mb[9] = vha->vp_idx;
2306 	mcp->mb[10] = 0;
2307 	mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
2308 	mcp->in_mb = MBX_2|MBX_1|MBX_0;
2309 	mcp->tov = MBX_TOV_SECONDS;
2310 	mcp->flags = IOCTL_CMD;
2311 	rval = qla2x00_mailbox_command(vha, mcp);
2312 
2313 	if (rval == QLA_SUCCESS) {
2314 		if (mcp->mb[0] != MBS_COMMAND_COMPLETE) {
2315 			DEBUG2_3_11(printk("%s(%ld): cmd failed. mbx0=%x.\n",
2316 			    __func__, vha->host_no, mcp->mb[0]));
2317 			rval = QLA_FUNCTION_FAILED;
2318 		} else {
2319 			/* Copy over data -- firmware data is LE. */
2320 			dwords = sizeof(struct link_statistics) / 4;
2321 			siter = diter = &stats->link_fail_cnt;
2322 			while (dwords--)
2323 				*diter++ = le32_to_cpu(*siter++);
2324 		}
2325 	} else {
2326 		/* Failed. */
2327 		DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
2328 		    vha->host_no, rval));
2329 	}
2330 
2331 	return rval;
2332 }
2333 
2334 int
2335 qla24xx_abort_command(srb_t *sp)
2336 {
2337 	int		rval;
2338 	unsigned long   flags = 0;
2339 
2340 	struct abort_entry_24xx *abt;
2341 	dma_addr_t	abt_dma;
2342 	uint32_t	handle;
2343 	fc_port_t	*fcport = sp->fcport;
2344 	struct scsi_qla_host *vha = fcport->vha;
2345 	struct qla_hw_data *ha = vha->hw;
2346 	struct req_que *req = vha->req;
2347 
2348 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
2349 
2350 	spin_lock_irqsave(&ha->hardware_lock, flags);
2351 	for (handle = 1; handle < MAX_OUTSTANDING_COMMANDS; handle++) {
2352 		if (req->outstanding_cmds[handle] == sp)
2353 			break;
2354 	}
2355 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2356 	if (handle == MAX_OUTSTANDING_COMMANDS) {
2357 		/* Command not found. */
2358 		return QLA_FUNCTION_FAILED;
2359 	}
2360 
2361 	abt = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &abt_dma);
2362 	if (abt == NULL) {
2363 		DEBUG2_3(printk("%s(%ld): failed to allocate Abort IOCB.\n",
2364 		    __func__, vha->host_no));
2365 		return QLA_MEMORY_ALLOC_FAILED;
2366 	}
2367 	memset(abt, 0, sizeof(struct abort_entry_24xx));
2368 
2369 	abt->entry_type = ABORT_IOCB_TYPE;
2370 	abt->entry_count = 1;
2371 	abt->handle = MAKE_HANDLE(req->id, abt->handle);
2372 	abt->nport_handle = cpu_to_le16(fcport->loop_id);
2373 	abt->handle_to_abort = MAKE_HANDLE(req->id, handle);
2374 	abt->port_id[0] = fcport->d_id.b.al_pa;
2375 	abt->port_id[1] = fcport->d_id.b.area;
2376 	abt->port_id[2] = fcport->d_id.b.domain;
2377 	abt->vp_index = fcport->vp_idx;
2378 
2379 	abt->req_que_no = cpu_to_le16(req->id);
2380 
2381 	rval = qla2x00_issue_iocb(vha, abt, abt_dma, 0);
2382 	if (rval != QLA_SUCCESS) {
2383 		DEBUG2_3_11(printk("%s(%ld): failed to issue IOCB (%x).\n",
2384 		    __func__, vha->host_no, rval));
2385 	} else if (abt->entry_status != 0) {
2386 		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
2387 		    "-- error status (%x).\n", __func__, vha->host_no,
2388 		    abt->entry_status));
2389 		rval = QLA_FUNCTION_FAILED;
2390 	} else if (abt->nport_handle != __constant_cpu_to_le16(0)) {
2391 		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
2392 		    "-- completion status (%x).\n", __func__, vha->host_no,
2393 		    le16_to_cpu(abt->nport_handle)));
2394 		rval = QLA_FUNCTION_FAILED;
2395 	} else {
2396 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
2397 	}
2398 
2399 	dma_pool_free(ha->s_dma_pool, abt, abt_dma);
2400 
2401 	return rval;
2402 }
2403 
2404 struct tsk_mgmt_cmd {
2405 	union {
2406 		struct tsk_mgmt_entry tsk;
2407 		struct sts_entry_24xx sts;
2408 	} p;
2409 };
2410 
2411 static int
2412 __qla24xx_issue_tmf(char *name, uint32_t type, struct fc_port *fcport,
2413     unsigned int l, int tag)
2414 {
2415 	int		rval, rval2;
2416 	struct tsk_mgmt_cmd *tsk;
2417 	struct sts_entry_24xx *sts;
2418 	dma_addr_t	tsk_dma;
2419 	scsi_qla_host_t *vha;
2420 	struct qla_hw_data *ha;
2421 	struct req_que *req;
2422 	struct rsp_que *rsp;
2423 
2424 	DEBUG11(printk("%s(%ld): entered.\n", __func__, fcport->vha->host_no));
2425 
2426 	vha = fcport->vha;
2427 	ha = vha->hw;
2428 	req = vha->req;
2429 	if (ha->flags.cpu_affinity_enabled)
2430 		rsp = ha->rsp_q_map[tag + 1];
2431 	else
2432 		rsp = req->rsp;
2433 	tsk = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &tsk_dma);
2434 	if (tsk == NULL) {
2435 		DEBUG2_3(printk("%s(%ld): failed to allocate Task Management "
2436 		    "IOCB.\n", __func__, vha->host_no));
2437 		return QLA_MEMORY_ALLOC_FAILED;
2438 	}
2439 	memset(tsk, 0, sizeof(struct tsk_mgmt_cmd));
2440 
2441 	tsk->p.tsk.entry_type = TSK_MGMT_IOCB_TYPE;
2442 	tsk->p.tsk.entry_count = 1;
2443 	tsk->p.tsk.handle = MAKE_HANDLE(req->id, tsk->p.tsk.handle);
2444 	tsk->p.tsk.nport_handle = cpu_to_le16(fcport->loop_id);
2445 	tsk->p.tsk.timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
2446 	tsk->p.tsk.control_flags = cpu_to_le32(type);
2447 	tsk->p.tsk.port_id[0] = fcport->d_id.b.al_pa;
2448 	tsk->p.tsk.port_id[1] = fcport->d_id.b.area;
2449 	tsk->p.tsk.port_id[2] = fcport->d_id.b.domain;
2450 	tsk->p.tsk.vp_index = fcport->vp_idx;
2451 	if (type == TCF_LUN_RESET) {
2452 		int_to_scsilun(l, &tsk->p.tsk.lun);
2453 		host_to_fcp_swap((uint8_t *)&tsk->p.tsk.lun,
2454 		    sizeof(tsk->p.tsk.lun));
2455 	}
2456 
2457 	sts = &tsk->p.sts;
2458 	rval = qla2x00_issue_iocb(vha, tsk, tsk_dma, 0);
2459 	if (rval != QLA_SUCCESS) {
2460 		DEBUG2_3_11(printk("%s(%ld): failed to issue %s Reset IOCB "
2461 		    "(%x).\n", __func__, vha->host_no, name, rval));
2462 	} else if (sts->entry_status != 0) {
2463 		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
2464 		    "-- error status (%x).\n", __func__, vha->host_no,
2465 		    sts->entry_status));
2466 		rval = QLA_FUNCTION_FAILED;
2467 	} else if (sts->comp_status !=
2468 	    __constant_cpu_to_le16(CS_COMPLETE)) {
2469 		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
2470 		    "-- completion status (%x).\n", __func__,
2471 		    vha->host_no, le16_to_cpu(sts->comp_status)));
2472 		rval = QLA_FUNCTION_FAILED;
2473 	} else if (le16_to_cpu(sts->scsi_status) &
2474 	    SS_RESPONSE_INFO_LEN_VALID) {
2475 		if (le32_to_cpu(sts->rsp_data_len) < 4) {
2476 			DEBUG2_3_11(printk("%s(%ld): ignoring inconsistent "
2477 			    "data length -- not enough response info (%d).\n",
2478 			    __func__, vha->host_no,
2479 			    le32_to_cpu(sts->rsp_data_len)));
2480 		} else if (sts->data[3]) {
2481 			DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
2482 			    "-- response (%x).\n", __func__,
2483 			    vha->host_no, sts->data[3]));
2484 			rval = QLA_FUNCTION_FAILED;
2485 		}
2486 	}
2487 
2488 	/* Issue marker IOCB. */
2489 	rval2 = qla2x00_marker(vha, req, rsp, fcport->loop_id, l,
2490 	    type == TCF_LUN_RESET ? MK_SYNC_ID_LUN: MK_SYNC_ID);
2491 	if (rval2 != QLA_SUCCESS) {
2492 		DEBUG2_3_11(printk("%s(%ld): failed to issue Marker IOCB "
2493 		    "(%x).\n", __func__, vha->host_no, rval2));
2494 	} else {
2495 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
2496 	}
2497 
2498 	dma_pool_free(ha->s_dma_pool, tsk, tsk_dma);
2499 
2500 	return rval;
2501 }
2502 
2503 int
2504 qla24xx_abort_target(struct fc_port *fcport, unsigned int l, int tag)
2505 {
2506 	struct qla_hw_data *ha = fcport->vha->hw;
2507 
2508 	if ((ql2xasynctmfenable) && IS_FWI2_CAPABLE(ha))
2509 		return qla2x00_async_tm_cmd(fcport, TCF_TARGET_RESET, l, tag);
2510 
2511 	return __qla24xx_issue_tmf("Target", TCF_TARGET_RESET, fcport, l, tag);
2512 }
2513 
2514 int
2515 qla24xx_lun_reset(struct fc_port *fcport, unsigned int l, int tag)
2516 {
2517 	struct qla_hw_data *ha = fcport->vha->hw;
2518 
2519 	if ((ql2xasynctmfenable) && IS_FWI2_CAPABLE(ha))
2520 		return qla2x00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag);
2521 
2522 	return __qla24xx_issue_tmf("Lun", TCF_LUN_RESET, fcport, l, tag);
2523 }
2524 
2525 int
2526 qla2x00_system_error(scsi_qla_host_t *vha)
2527 {
2528 	int rval;
2529 	mbx_cmd_t mc;
2530 	mbx_cmd_t *mcp = &mc;
2531 	struct qla_hw_data *ha = vha->hw;
2532 
2533 	if (!IS_QLA23XX(ha) && !IS_FWI2_CAPABLE(ha))
2534 		return QLA_FUNCTION_FAILED;
2535 
2536 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
2537 
2538 	mcp->mb[0] = MBC_GEN_SYSTEM_ERROR;
2539 	mcp->out_mb = MBX_0;
2540 	mcp->in_mb = MBX_0;
2541 	mcp->tov = 5;
2542 	mcp->flags = 0;
2543 	rval = qla2x00_mailbox_command(vha, mcp);
2544 
2545 	if (rval != QLA_SUCCESS) {
2546 		DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
2547 		    vha->host_no, rval));
2548 	} else {
2549 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
2550 	}
2551 
2552 	return rval;
2553 }
2554 
2555 /**
2556  * qla2x00_set_serdes_params() -
2557  * @ha: HA context
2558  *
2559  * Returns
2560  */
2561 int
2562 qla2x00_set_serdes_params(scsi_qla_host_t *vha, uint16_t sw_em_1g,
2563     uint16_t sw_em_2g, uint16_t sw_em_4g)
2564 {
2565 	int rval;
2566 	mbx_cmd_t mc;
2567 	mbx_cmd_t *mcp = &mc;
2568 
2569 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
2570 
2571 	mcp->mb[0] = MBC_SERDES_PARAMS;
2572 	mcp->mb[1] = BIT_0;
2573 	mcp->mb[2] = sw_em_1g | BIT_15;
2574 	mcp->mb[3] = sw_em_2g | BIT_15;
2575 	mcp->mb[4] = sw_em_4g | BIT_15;
2576 	mcp->out_mb = MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
2577 	mcp->in_mb = MBX_0;
2578 	mcp->tov = MBX_TOV_SECONDS;
2579 	mcp->flags = 0;
2580 	rval = qla2x00_mailbox_command(vha, mcp);
2581 
2582 	if (rval != QLA_SUCCESS) {
2583 		/*EMPTY*/
2584 		DEBUG2_3_11(printk("%s(%ld): failed=%x (%x).\n", __func__,
2585 		    vha->host_no, rval, mcp->mb[0]));
2586 	} else {
2587 		/*EMPTY*/
2588 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
2589 	}
2590 
2591 	return rval;
2592 }
2593 
2594 int
2595 qla2x00_stop_firmware(scsi_qla_host_t *vha)
2596 {
2597 	int rval;
2598 	mbx_cmd_t mc;
2599 	mbx_cmd_t *mcp = &mc;
2600 
2601 	if (!IS_FWI2_CAPABLE(vha->hw))
2602 		return QLA_FUNCTION_FAILED;
2603 
2604 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
2605 
2606 	mcp->mb[0] = MBC_STOP_FIRMWARE;
2607 	mcp->out_mb = MBX_0;
2608 	mcp->in_mb = MBX_0;
2609 	mcp->tov = 5;
2610 	mcp->flags = 0;
2611 	rval = qla2x00_mailbox_command(vha, mcp);
2612 
2613 	if (rval != QLA_SUCCESS) {
2614 		DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
2615 		    vha->host_no, rval));
2616 		if (mcp->mb[0] == MBS_INVALID_COMMAND)
2617 			rval = QLA_INVALID_COMMAND;
2618 	} else {
2619 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
2620 	}
2621 
2622 	return rval;
2623 }
2624 
2625 int
2626 qla2x00_enable_eft_trace(scsi_qla_host_t *vha, dma_addr_t eft_dma,
2627     uint16_t buffers)
2628 {
2629 	int rval;
2630 	mbx_cmd_t mc;
2631 	mbx_cmd_t *mcp = &mc;
2632 
2633 	if (!IS_FWI2_CAPABLE(vha->hw))
2634 		return QLA_FUNCTION_FAILED;
2635 
2636 	if (unlikely(pci_channel_offline(vha->hw->pdev)))
2637 		return QLA_FUNCTION_FAILED;
2638 
2639 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
2640 
2641 	mcp->mb[0] = MBC_TRACE_CONTROL;
2642 	mcp->mb[1] = TC_EFT_ENABLE;
2643 	mcp->mb[2] = LSW(eft_dma);
2644 	mcp->mb[3] = MSW(eft_dma);
2645 	mcp->mb[4] = LSW(MSD(eft_dma));
2646 	mcp->mb[5] = MSW(MSD(eft_dma));
2647 	mcp->mb[6] = buffers;
2648 	mcp->mb[7] = TC_AEN_DISABLE;
2649 	mcp->out_mb = MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
2650 	mcp->in_mb = MBX_1|MBX_0;
2651 	mcp->tov = MBX_TOV_SECONDS;
2652 	mcp->flags = 0;
2653 	rval = qla2x00_mailbox_command(vha, mcp);
2654 	if (rval != QLA_SUCCESS) {
2655 		DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x mb[1]=%x.\n",
2656 		    __func__, vha->host_no, rval, mcp->mb[0], mcp->mb[1]));
2657 	} else {
2658 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
2659 	}
2660 
2661 	return rval;
2662 }
2663 
2664 int
2665 qla2x00_disable_eft_trace(scsi_qla_host_t *vha)
2666 {
2667 	int rval;
2668 	mbx_cmd_t mc;
2669 	mbx_cmd_t *mcp = &mc;
2670 
2671 	if (!IS_FWI2_CAPABLE(vha->hw))
2672 		return QLA_FUNCTION_FAILED;
2673 
2674 	if (unlikely(pci_channel_offline(vha->hw->pdev)))
2675 		return QLA_FUNCTION_FAILED;
2676 
2677 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
2678 
2679 	mcp->mb[0] = MBC_TRACE_CONTROL;
2680 	mcp->mb[1] = TC_EFT_DISABLE;
2681 	mcp->out_mb = MBX_1|MBX_0;
2682 	mcp->in_mb = MBX_1|MBX_0;
2683 	mcp->tov = MBX_TOV_SECONDS;
2684 	mcp->flags = 0;
2685 	rval = qla2x00_mailbox_command(vha, mcp);
2686 	if (rval != QLA_SUCCESS) {
2687 		DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x mb[1]=%x.\n",
2688 		    __func__, vha->host_no, rval, mcp->mb[0], mcp->mb[1]));
2689 	} else {
2690 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
2691 	}
2692 
2693 	return rval;
2694 }
2695 
2696 int
2697 qla2x00_enable_fce_trace(scsi_qla_host_t *vha, dma_addr_t fce_dma,
2698     uint16_t buffers, uint16_t *mb, uint32_t *dwords)
2699 {
2700 	int rval;
2701 	mbx_cmd_t mc;
2702 	mbx_cmd_t *mcp = &mc;
2703 
2704 	if (!IS_QLA25XX(vha->hw) && !IS_QLA81XX(vha->hw))
2705 		return QLA_FUNCTION_FAILED;
2706 
2707 	if (unlikely(pci_channel_offline(vha->hw->pdev)))
2708 		return QLA_FUNCTION_FAILED;
2709 
2710 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
2711 
2712 	mcp->mb[0] = MBC_TRACE_CONTROL;
2713 	mcp->mb[1] = TC_FCE_ENABLE;
2714 	mcp->mb[2] = LSW(fce_dma);
2715 	mcp->mb[3] = MSW(fce_dma);
2716 	mcp->mb[4] = LSW(MSD(fce_dma));
2717 	mcp->mb[5] = MSW(MSD(fce_dma));
2718 	mcp->mb[6] = buffers;
2719 	mcp->mb[7] = TC_AEN_DISABLE;
2720 	mcp->mb[8] = 0;
2721 	mcp->mb[9] = TC_FCE_DEFAULT_RX_SIZE;
2722 	mcp->mb[10] = TC_FCE_DEFAULT_TX_SIZE;
2723 	mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|
2724 	    MBX_1|MBX_0;
2725 	mcp->in_mb = MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
2726 	mcp->tov = MBX_TOV_SECONDS;
2727 	mcp->flags = 0;
2728 	rval = qla2x00_mailbox_command(vha, mcp);
2729 	if (rval != QLA_SUCCESS) {
2730 		DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x mb[1]=%x.\n",
2731 		    __func__, vha->host_no, rval, mcp->mb[0], mcp->mb[1]));
2732 	} else {
2733 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
2734 
2735 		if (mb)
2736 			memcpy(mb, mcp->mb, 8 * sizeof(*mb));
2737 		if (dwords)
2738 			*dwords = buffers;
2739 	}
2740 
2741 	return rval;
2742 }
2743 
2744 int
2745 qla2x00_disable_fce_trace(scsi_qla_host_t *vha, uint64_t *wr, uint64_t *rd)
2746 {
2747 	int rval;
2748 	mbx_cmd_t mc;
2749 	mbx_cmd_t *mcp = &mc;
2750 
2751 	if (!IS_FWI2_CAPABLE(vha->hw))
2752 		return QLA_FUNCTION_FAILED;
2753 
2754 	if (unlikely(pci_channel_offline(vha->hw->pdev)))
2755 		return QLA_FUNCTION_FAILED;
2756 
2757 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
2758 
2759 	mcp->mb[0] = MBC_TRACE_CONTROL;
2760 	mcp->mb[1] = TC_FCE_DISABLE;
2761 	mcp->mb[2] = TC_FCE_DISABLE_TRACE;
2762 	mcp->out_mb = MBX_2|MBX_1|MBX_0;
2763 	mcp->in_mb = MBX_9|MBX_8|MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|
2764 	    MBX_1|MBX_0;
2765 	mcp->tov = MBX_TOV_SECONDS;
2766 	mcp->flags = 0;
2767 	rval = qla2x00_mailbox_command(vha, mcp);
2768 	if (rval != QLA_SUCCESS) {
2769 		DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x mb[1]=%x.\n",
2770 		    __func__, vha->host_no, rval, mcp->mb[0], mcp->mb[1]));
2771 	} else {
2772 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
2773 
2774 		if (wr)
2775 			*wr = (uint64_t) mcp->mb[5] << 48 |
2776 			    (uint64_t) mcp->mb[4] << 32 |
2777 			    (uint64_t) mcp->mb[3] << 16 |
2778 			    (uint64_t) mcp->mb[2];
2779 		if (rd)
2780 			*rd = (uint64_t) mcp->mb[9] << 48 |
2781 			    (uint64_t) mcp->mb[8] << 32 |
2782 			    (uint64_t) mcp->mb[7] << 16 |
2783 			    (uint64_t) mcp->mb[6];
2784 	}
2785 
2786 	return rval;
2787 }
2788 
2789 int
2790 qla2x00_get_idma_speed(scsi_qla_host_t *vha, uint16_t loop_id,
2791 	uint16_t *port_speed, uint16_t *mb)
2792 {
2793 	int rval;
2794 	mbx_cmd_t mc;
2795 	mbx_cmd_t *mcp = &mc;
2796 
2797 	if (!IS_IIDMA_CAPABLE(vha->hw))
2798 		return QLA_FUNCTION_FAILED;
2799 
2800 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
2801 
2802 	mcp->mb[0] = MBC_PORT_PARAMS;
2803 	mcp->mb[1] = loop_id;
2804 	mcp->mb[2] = mcp->mb[3] = 0;
2805 	mcp->mb[9] = vha->vp_idx;
2806 	mcp->out_mb = MBX_9|MBX_3|MBX_2|MBX_1|MBX_0;
2807 	mcp->in_mb = MBX_3|MBX_1|MBX_0;
2808 	mcp->tov = MBX_TOV_SECONDS;
2809 	mcp->flags = 0;
2810 	rval = qla2x00_mailbox_command(vha, mcp);
2811 
2812 	/* Return mailbox statuses. */
2813 	if (mb != NULL) {
2814 		mb[0] = mcp->mb[0];
2815 		mb[1] = mcp->mb[1];
2816 		mb[3] = mcp->mb[3];
2817 	}
2818 
2819 	if (rval != QLA_SUCCESS) {
2820 		DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
2821 		    vha->host_no, rval));
2822 	} else {
2823 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
2824 		if (port_speed)
2825 			*port_speed = mcp->mb[3];
2826 	}
2827 
2828 	return rval;
2829 }
2830 
2831 int
2832 qla2x00_set_idma_speed(scsi_qla_host_t *vha, uint16_t loop_id,
2833     uint16_t port_speed, uint16_t *mb)
2834 {
2835 	int rval;
2836 	mbx_cmd_t mc;
2837 	mbx_cmd_t *mcp = &mc;
2838 
2839 	if (!IS_IIDMA_CAPABLE(vha->hw))
2840 		return QLA_FUNCTION_FAILED;
2841 
2842 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
2843 
2844 	mcp->mb[0] = MBC_PORT_PARAMS;
2845 	mcp->mb[1] = loop_id;
2846 	mcp->mb[2] = BIT_0;
2847 	if (IS_QLA8XXX_TYPE(vha->hw))
2848 		mcp->mb[3] = port_speed & (BIT_5|BIT_4|BIT_3|BIT_2|BIT_1|BIT_0);
2849 	else
2850 		mcp->mb[3] = port_speed & (BIT_2|BIT_1|BIT_0);
2851 	mcp->mb[9] = vha->vp_idx;
2852 	mcp->out_mb = MBX_9|MBX_3|MBX_2|MBX_1|MBX_0;
2853 	mcp->in_mb = MBX_3|MBX_1|MBX_0;
2854 	mcp->tov = MBX_TOV_SECONDS;
2855 	mcp->flags = 0;
2856 	rval = qla2x00_mailbox_command(vha, mcp);
2857 
2858 	/* Return mailbox statuses. */
2859 	if (mb != NULL) {
2860 		mb[0] = mcp->mb[0];
2861 		mb[1] = mcp->mb[1];
2862 		mb[3] = mcp->mb[3];
2863 	}
2864 
2865 	if (rval != QLA_SUCCESS) {
2866 		DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
2867 		    vha->host_no, rval));
2868 	} else {
2869 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
2870 	}
2871 
2872 	return rval;
2873 }
2874 
2875 void
2876 qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
2877 	struct vp_rpt_id_entry_24xx *rptid_entry)
2878 {
2879 	uint8_t vp_idx;
2880 	uint16_t stat = le16_to_cpu(rptid_entry->vp_idx);
2881 	struct qla_hw_data *ha = vha->hw;
2882 	scsi_qla_host_t *vp;
2883 	unsigned long   flags;
2884 
2885 	if (rptid_entry->entry_status != 0)
2886 		return;
2887 
2888 	if (rptid_entry->format == 0) {
2889 		DEBUG15(printk("%s:format 0 : scsi(%ld) number of VPs setup %d,"
2890 			" number of VPs acquired %d\n", __func__, vha->host_no,
2891 			MSB(le16_to_cpu(rptid_entry->vp_count)),
2892 			LSB(le16_to_cpu(rptid_entry->vp_count))));
2893 		DEBUG15(printk("%s primary port id %02x%02x%02x\n", __func__,
2894 			rptid_entry->port_id[2], rptid_entry->port_id[1],
2895 			rptid_entry->port_id[0]));
2896 	} else if (rptid_entry->format == 1) {
2897 		vp_idx = LSB(stat);
2898 		DEBUG15(printk("%s:format 1: scsi(%ld): VP[%d] enabled "
2899 		    "- status %d - "
2900 		    "with port id %02x%02x%02x\n", __func__, vha->host_no,
2901 		    vp_idx, MSB(stat),
2902 		    rptid_entry->port_id[2], rptid_entry->port_id[1],
2903 		    rptid_entry->port_id[0]));
2904 
2905 		vp = vha;
2906 		if (vp_idx == 0 && (MSB(stat) != 1))
2907 			goto reg_needed;
2908 
2909 		if (MSB(stat) == 1) {
2910 			DEBUG2(printk("scsi(%ld): Could not acquire ID for "
2911 			    "VP[%d].\n", vha->host_no, vp_idx));
2912 			return;
2913 		}
2914 
2915 		spin_lock_irqsave(&ha->vport_slock, flags);
2916 		list_for_each_entry(vp, &ha->vp_list, list)
2917 			if (vp_idx == vp->vp_idx)
2918 				break;
2919 		spin_unlock_irqrestore(&ha->vport_slock, flags);
2920 
2921 		if (!vp)
2922 			return;
2923 
2924 		vp->d_id.b.domain = rptid_entry->port_id[2];
2925 		vp->d_id.b.area =  rptid_entry->port_id[1];
2926 		vp->d_id.b.al_pa = rptid_entry->port_id[0];
2927 
2928 		/*
2929 		 * Cannot configure here as we are still sitting on the
2930 		 * response queue. Handle it in dpc context.
2931 		 */
2932 		set_bit(VP_IDX_ACQUIRED, &vp->vp_flags);
2933 
2934 reg_needed:
2935 		set_bit(REGISTER_FC4_NEEDED, &vp->dpc_flags);
2936 		set_bit(REGISTER_FDMI_NEEDED, &vp->dpc_flags);
2937 		set_bit(VP_DPC_NEEDED, &vha->dpc_flags);
2938 		qla2xxx_wake_dpc(vha);
2939 	}
2940 }
2941 
2942 /*
2943  * qla24xx_modify_vp_config
2944  *	Change VP configuration for vha
2945  *
2946  * Input:
2947  *	vha = adapter block pointer.
2948  *
2949  * Returns:
2950  *	qla2xxx local function return status code.
2951  *
2952  * Context:
2953  *	Kernel context.
2954  */
2955 int
2956 qla24xx_modify_vp_config(scsi_qla_host_t *vha)
2957 {
2958 	int		rval;
2959 	struct vp_config_entry_24xx *vpmod;
2960 	dma_addr_t	vpmod_dma;
2961 	struct qla_hw_data *ha = vha->hw;
2962 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2963 
2964 	/* This can be called by the parent */
2965 
2966 	vpmod = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &vpmod_dma);
2967 	if (!vpmod) {
2968 		DEBUG2_3(printk("%s(%ld): failed to allocate Modify VP "
2969 		    "IOCB.\n", __func__, vha->host_no));
2970 		return QLA_MEMORY_ALLOC_FAILED;
2971 	}
2972 
2973 	memset(vpmod, 0, sizeof(struct vp_config_entry_24xx));
2974 	vpmod->entry_type = VP_CONFIG_IOCB_TYPE;
2975 	vpmod->entry_count = 1;
2976 	vpmod->command = VCT_COMMAND_MOD_ENABLE_VPS;
2977 	vpmod->vp_count = 1;
2978 	vpmod->vp_index1 = vha->vp_idx;
2979 	vpmod->options_idx1 = BIT_3|BIT_4|BIT_5;
2980 	memcpy(vpmod->node_name_idx1, vha->node_name, WWN_SIZE);
2981 	memcpy(vpmod->port_name_idx1, vha->port_name, WWN_SIZE);
2982 	vpmod->entry_count = 1;
2983 
2984 	rval = qla2x00_issue_iocb(base_vha, vpmod, vpmod_dma, 0);
2985 	if (rval != QLA_SUCCESS) {
2986 		DEBUG2_3_11(printk("%s(%ld): failed to issue VP config IOCB"
2987 			"(%x).\n", __func__, base_vha->host_no, rval));
2988 	} else if (vpmod->comp_status != 0) {
2989 		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
2990 			"-- error status (%x).\n", __func__, base_vha->host_no,
2991 			vpmod->comp_status));
2992 		rval = QLA_FUNCTION_FAILED;
2993 	} else if (vpmod->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
2994 		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
2995 		    "-- completion status (%x).\n", __func__, base_vha->host_no,
2996 		    le16_to_cpu(vpmod->comp_status)));
2997 		rval = QLA_FUNCTION_FAILED;
2998 	} else {
2999 		/* EMPTY */
3000 		DEBUG11(printk("%s(%ld): done.\n", __func__,
3001 							base_vha->host_no));
3002 		fc_vport_set_state(vha->fc_vport, FC_VPORT_INITIALIZING);
3003 	}
3004 	dma_pool_free(ha->s_dma_pool, vpmod, vpmod_dma);
3005 
3006 	return rval;
3007 }
3008 
3009 /*
3010  * qla24xx_control_vp
3011  *	Enable a virtual port for given host
3012  *
3013  * Input:
3014  *	ha = adapter block pointer.
3015  *	vhba = virtual adapter (unused)
3016  *	index = index number for enabled VP
3017  *
3018  * Returns:
3019  *	qla2xxx local function return status code.
3020  *
3021  * Context:
3022  *	Kernel context.
3023  */
3024 int
3025 qla24xx_control_vp(scsi_qla_host_t *vha, int cmd)
3026 {
3027 	int		rval;
3028 	int		map, pos;
3029 	struct vp_ctrl_entry_24xx   *vce;
3030 	dma_addr_t	vce_dma;
3031 	struct qla_hw_data *ha = vha->hw;
3032 	int	vp_index = vha->vp_idx;
3033 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3034 
3035 	DEBUG11(printk("%s(%ld): entered. Enabling index %d\n", __func__,
3036 	    vha->host_no, vp_index));
3037 
3038 	if (vp_index == 0 || vp_index >= ha->max_npiv_vports)
3039 		return QLA_PARAMETER_ERROR;
3040 
3041 	vce = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &vce_dma);
3042 	if (!vce) {
3043 		DEBUG2_3(printk("%s(%ld): "
3044 		    "failed to allocate VP Control IOCB.\n", __func__,
3045 		    base_vha->host_no));
3046 		return QLA_MEMORY_ALLOC_FAILED;
3047 	}
3048 	memset(vce, 0, sizeof(struct vp_ctrl_entry_24xx));
3049 
3050 	vce->entry_type = VP_CTRL_IOCB_TYPE;
3051 	vce->entry_count = 1;
3052 	vce->command = cpu_to_le16(cmd);
3053 	vce->vp_count = __constant_cpu_to_le16(1);
3054 
3055 	/* index map in firmware starts with 1; decrement index
3056 	 * this is ok as we never use index 0
3057 	 */
3058 	map = (vp_index - 1) / 8;
3059 	pos = (vp_index - 1) & 7;
3060 	mutex_lock(&ha->vport_lock);
3061 	vce->vp_idx_map[map] |= 1 << pos;
3062 	mutex_unlock(&ha->vport_lock);
3063 
3064 	rval = qla2x00_issue_iocb(base_vha, vce, vce_dma, 0);
3065 	if (rval != QLA_SUCCESS) {
3066 		DEBUG2_3_11(printk("%s(%ld): failed to issue VP control IOCB"
3067 		    "(%x).\n", __func__, base_vha->host_no, rval));
3068 		printk("%s(%ld): failed to issue VP control IOCB"
3069 		    "(%x).\n", __func__, base_vha->host_no, rval);
3070 	} else if (vce->entry_status != 0) {
3071 		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
3072 		    "-- error status (%x).\n", __func__, base_vha->host_no,
3073 		    vce->entry_status));
3074 		printk("%s(%ld): failed to complete IOCB "
3075 		    "-- error status (%x).\n", __func__, base_vha->host_no,
3076 		    vce->entry_status);
3077 		rval = QLA_FUNCTION_FAILED;
3078 	} else if (vce->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
3079 		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
3080 		    "-- completion status (%x).\n", __func__, base_vha->host_no,
3081 		    le16_to_cpu(vce->comp_status)));
3082 		printk("%s(%ld): failed to complete IOCB "
3083 		    "-- completion status (%x).\n", __func__, base_vha->host_no,
3084 		    le16_to_cpu(vce->comp_status));
3085 		rval = QLA_FUNCTION_FAILED;
3086 	} else {
3087 		DEBUG2(printk("%s(%ld): done.\n", __func__, base_vha->host_no));
3088 	}
3089 
3090 	dma_pool_free(ha->s_dma_pool, vce, vce_dma);
3091 
3092 	return rval;
3093 }
3094 
3095 /*
3096  * qla2x00_send_change_request
3097  *	Receive or disable RSCN request from fabric controller
3098  *
3099  * Input:
3100  *	ha = adapter block pointer
3101  *	format = registration format:
3102  *		0 - Reserved
3103  *		1 - Fabric detected registration
3104  *		2 - N_port detected registration
3105  *		3 - Full registration
3106  *		FF - clear registration
3107  *	vp_idx = Virtual port index
3108  *
3109  * Returns:
3110  *	qla2x00 local function return status code.
3111  *
3112  * Context:
3113  *	Kernel Context
3114  */
3115 
3116 int
3117 qla2x00_send_change_request(scsi_qla_host_t *vha, uint16_t format,
3118 			    uint16_t vp_idx)
3119 {
3120 	int rval;
3121 	mbx_cmd_t mc;
3122 	mbx_cmd_t *mcp = &mc;
3123 
3124 	/*
3125 	 * This command is implicitly executed by firmware during login for the
3126 	 * physical hosts
3127 	 */
3128 	if (vp_idx == 0)
3129 		return QLA_FUNCTION_FAILED;
3130 
3131 	mcp->mb[0] = MBC_SEND_CHANGE_REQUEST;
3132 	mcp->mb[1] = format;
3133 	mcp->mb[9] = vp_idx;
3134 	mcp->out_mb = MBX_9|MBX_1|MBX_0;
3135 	mcp->in_mb = MBX_0|MBX_1;
3136 	mcp->tov = MBX_TOV_SECONDS;
3137 	mcp->flags = 0;
3138 	rval = qla2x00_mailbox_command(vha, mcp);
3139 
3140 	if (rval == QLA_SUCCESS) {
3141 		if (mcp->mb[0] != MBS_COMMAND_COMPLETE) {
3142 			rval = BIT_1;
3143 		}
3144 	} else
3145 		rval = BIT_1;
3146 
3147 	return rval;
3148 }
3149 
3150 int
3151 qla2x00_dump_ram(scsi_qla_host_t *vha, dma_addr_t req_dma, uint32_t addr,
3152     uint32_t size)
3153 {
3154 	int rval;
3155 	mbx_cmd_t mc;
3156 	mbx_cmd_t *mcp = &mc;
3157 
3158 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
3159 
3160 	if (MSW(addr) || IS_FWI2_CAPABLE(vha->hw)) {
3161 		mcp->mb[0] = MBC_DUMP_RISC_RAM_EXTENDED;
3162 		mcp->mb[8] = MSW(addr);
3163 		mcp->out_mb = MBX_8|MBX_0;
3164 	} else {
3165 		mcp->mb[0] = MBC_DUMP_RISC_RAM;
3166 		mcp->out_mb = MBX_0;
3167 	}
3168 	mcp->mb[1] = LSW(addr);
3169 	mcp->mb[2] = MSW(req_dma);
3170 	mcp->mb[3] = LSW(req_dma);
3171 	mcp->mb[6] = MSW(MSD(req_dma));
3172 	mcp->mb[7] = LSW(MSD(req_dma));
3173 	mcp->out_mb |= MBX_7|MBX_6|MBX_3|MBX_2|MBX_1;
3174 	if (IS_FWI2_CAPABLE(vha->hw)) {
3175 		mcp->mb[4] = MSW(size);
3176 		mcp->mb[5] = LSW(size);
3177 		mcp->out_mb |= MBX_5|MBX_4;
3178 	} else {
3179 		mcp->mb[4] = LSW(size);
3180 		mcp->out_mb |= MBX_4;
3181 	}
3182 
3183 	mcp->in_mb = MBX_0;
3184 	mcp->tov = MBX_TOV_SECONDS;
3185 	mcp->flags = 0;
3186 	rval = qla2x00_mailbox_command(vha, mcp);
3187 
3188 	if (rval != QLA_SUCCESS) {
3189 		DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x.\n", __func__,
3190 		    vha->host_no, rval, mcp->mb[0]));
3191 	} else {
3192 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
3193 	}
3194 
3195 	return rval;
3196 }
3197 
3198 /* 84XX Support **************************************************************/
3199 
3200 struct cs84xx_mgmt_cmd {
3201 	union {
3202 		struct verify_chip_entry_84xx req;
3203 		struct verify_chip_rsp_84xx rsp;
3204 	} p;
3205 };
3206 
3207 int
3208 qla84xx_verify_chip(struct scsi_qla_host *vha, uint16_t *status)
3209 {
3210 	int rval, retry;
3211 	struct cs84xx_mgmt_cmd *mn;
3212 	dma_addr_t mn_dma;
3213 	uint16_t options;
3214 	unsigned long flags;
3215 	struct qla_hw_data *ha = vha->hw;
3216 
3217 	DEBUG16(printk("%s(%ld): entered.\n", __func__, vha->host_no));
3218 
3219 	mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
3220 	if (mn == NULL) {
3221 		DEBUG2_3(printk("%s(%ld): failed to allocate Verify ISP84XX "
3222 		    "IOCB.\n", __func__, vha->host_no));
3223 		return QLA_MEMORY_ALLOC_FAILED;
3224 	}
3225 
3226 	/* Force Update? */
3227 	options = ha->cs84xx->fw_update ? VCO_FORCE_UPDATE : 0;
3228 	/* Diagnostic firmware? */
3229 	/* options |= MENLO_DIAG_FW; */
3230 	/* We update the firmware with only one data sequence. */
3231 	options |= VCO_END_OF_DATA;
3232 
3233 	do {
3234 		retry = 0;
3235 		memset(mn, 0, sizeof(*mn));
3236 		mn->p.req.entry_type = VERIFY_CHIP_IOCB_TYPE;
3237 		mn->p.req.entry_count = 1;
3238 		mn->p.req.options = cpu_to_le16(options);
3239 
3240 		DEBUG16(printk("%s(%ld): Dump of Verify Request.\n", __func__,
3241 		    vha->host_no));
3242 		DEBUG16(qla2x00_dump_buffer((uint8_t *)mn,
3243 		    sizeof(*mn)));
3244 
3245 		rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120);
3246 		if (rval != QLA_SUCCESS) {
3247 			DEBUG2_16(printk("%s(%ld): failed to issue Verify "
3248 			    "IOCB (%x).\n", __func__, vha->host_no, rval));
3249 			goto verify_done;
3250 		}
3251 
3252 		DEBUG16(printk("%s(%ld): Dump of Verify Response.\n", __func__,
3253 		    vha->host_no));
3254 		DEBUG16(qla2x00_dump_buffer((uint8_t *)mn,
3255 		    sizeof(*mn)));
3256 
3257 		status[0] = le16_to_cpu(mn->p.rsp.comp_status);
3258 		status[1] = status[0] == CS_VCS_CHIP_FAILURE ?
3259 		    le16_to_cpu(mn->p.rsp.failure_code) : 0;
3260 		DEBUG2_16(printk("%s(%ld): cs=%x fc=%x\n", __func__,
3261 		    vha->host_no, status[0], status[1]));
3262 
3263 		if (status[0] != CS_COMPLETE) {
3264 			rval = QLA_FUNCTION_FAILED;
3265 			if (!(options & VCO_DONT_UPDATE_FW)) {
3266 				DEBUG2_16(printk("%s(%ld): Firmware update "
3267 				    "failed. Retrying without update "
3268 				    "firmware.\n", __func__, vha->host_no));
3269 				options |= VCO_DONT_UPDATE_FW;
3270 				options &= ~VCO_FORCE_UPDATE;
3271 				retry = 1;
3272 			}
3273 		} else {
3274 			DEBUG2_16(printk("%s(%ld): firmware updated to %x.\n",
3275 			    __func__, vha->host_no,
3276 			    le32_to_cpu(mn->p.rsp.fw_ver)));
3277 
3278 			/* NOTE: we only update OP firmware. */
3279 			spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
3280 			ha->cs84xx->op_fw_version =
3281 			    le32_to_cpu(mn->p.rsp.fw_ver);
3282 			spin_unlock_irqrestore(&ha->cs84xx->access_lock,
3283 			    flags);
3284 		}
3285 	} while (retry);
3286 
3287 verify_done:
3288 	dma_pool_free(ha->s_dma_pool, mn, mn_dma);
3289 
3290 	if (rval != QLA_SUCCESS) {
3291 		DEBUG2_16(printk("%s(%ld): failed=%x.\n", __func__,
3292 		    vha->host_no, rval));
3293 	} else {
3294 		DEBUG16(printk("%s(%ld): done.\n", __func__, vha->host_no));
3295 	}
3296 
3297 	return rval;
3298 }
3299 
3300 int
3301 qla25xx_init_req_que(struct scsi_qla_host *vha, struct req_que *req)
3302 {
3303 	int rval;
3304 	unsigned long flags;
3305 	mbx_cmd_t mc;
3306 	mbx_cmd_t *mcp = &mc;
3307 	struct device_reg_25xxmq __iomem *reg;
3308 	struct qla_hw_data *ha = vha->hw;
3309 
3310 	mcp->mb[0] = MBC_INITIALIZE_MULTIQ;
3311 	mcp->mb[1] = req->options;
3312 	mcp->mb[2] = MSW(LSD(req->dma));
3313 	mcp->mb[3] = LSW(LSD(req->dma));
3314 	mcp->mb[6] = MSW(MSD(req->dma));
3315 	mcp->mb[7] = LSW(MSD(req->dma));
3316 	mcp->mb[5] = req->length;
3317 	if (req->rsp)
3318 		mcp->mb[10] = req->rsp->id;
3319 	mcp->mb[12] = req->qos;
3320 	mcp->mb[11] = req->vp_idx;
3321 	mcp->mb[13] = req->rid;
3322 
3323 	reg = (struct device_reg_25xxmq *)((void *)(ha->mqiobase) +
3324 		QLA_QUE_PAGE * req->id);
3325 
3326 	mcp->mb[4] = req->id;
3327 	/* que in ptr index */
3328 	mcp->mb[8] = 0;
3329 	/* que out ptr index */
3330 	mcp->mb[9] = 0;
3331 	mcp->out_mb = MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|MBX_7|
3332 			MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
3333 	mcp->in_mb = MBX_0;
3334 	mcp->flags = MBX_DMA_OUT;
3335 	mcp->tov = 60;
3336 
3337 	spin_lock_irqsave(&ha->hardware_lock, flags);
3338 	if (!(req->options & BIT_0)) {
3339 		WRT_REG_DWORD(&reg->req_q_in, 0);
3340 		WRT_REG_DWORD(&reg->req_q_out, 0);
3341 	}
3342 	req->req_q_in = &reg->req_q_in;
3343 	req->req_q_out = &reg->req_q_out;
3344 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
3345 
3346 	rval = qla2x00_mailbox_command(vha, mcp);
3347 	if (rval != QLA_SUCCESS)
3348 		DEBUG2_3_11(printk(KERN_WARNING "%s(%ld): failed=%x mb0=%x.\n",
3349 			__func__, vha->host_no, rval, mcp->mb[0]));
3350 	return rval;
3351 }
3352 
3353 int
3354 qla25xx_init_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp)
3355 {
3356 	int rval;
3357 	unsigned long flags;
3358 	mbx_cmd_t mc;
3359 	mbx_cmd_t *mcp = &mc;
3360 	struct device_reg_25xxmq __iomem *reg;
3361 	struct qla_hw_data *ha = vha->hw;
3362 
3363 	mcp->mb[0] = MBC_INITIALIZE_MULTIQ;
3364 	mcp->mb[1] = rsp->options;
3365 	mcp->mb[2] = MSW(LSD(rsp->dma));
3366 	mcp->mb[3] = LSW(LSD(rsp->dma));
3367 	mcp->mb[6] = MSW(MSD(rsp->dma));
3368 	mcp->mb[7] = LSW(MSD(rsp->dma));
3369 	mcp->mb[5] = rsp->length;
3370 	mcp->mb[14] = rsp->msix->entry;
3371 	mcp->mb[13] = rsp->rid;
3372 
3373 	reg = (struct device_reg_25xxmq *)((void *)(ha->mqiobase) +
3374 		QLA_QUE_PAGE * rsp->id);
3375 
3376 	mcp->mb[4] = rsp->id;
3377 	/* que in ptr index */
3378 	mcp->mb[8] = 0;
3379 	/* que out ptr index */
3380 	mcp->mb[9] = 0;
3381 	mcp->out_mb = MBX_14|MBX_13|MBX_9|MBX_8|MBX_7
3382 			|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
3383 	mcp->in_mb = MBX_0;
3384 	mcp->flags = MBX_DMA_OUT;
3385 	mcp->tov = 60;
3386 
3387 	spin_lock_irqsave(&ha->hardware_lock, flags);
3388 	if (!(rsp->options & BIT_0)) {
3389 		WRT_REG_DWORD(&reg->rsp_q_out, 0);
3390 		WRT_REG_DWORD(&reg->rsp_q_in, 0);
3391 	}
3392 
3393 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
3394 
3395 	rval = qla2x00_mailbox_command(vha, mcp);
3396 	if (rval != QLA_SUCCESS)
3397 		DEBUG2_3_11(printk(KERN_WARNING "%s(%ld): failed=%x "
3398 			"mb0=%x.\n", __func__,
3399 			vha->host_no, rval, mcp->mb[0]));
3400 	return rval;
3401 }
3402 
3403 int
3404 qla81xx_idc_ack(scsi_qla_host_t *vha, uint16_t *mb)
3405 {
3406 	int rval;
3407 	mbx_cmd_t mc;
3408 	mbx_cmd_t *mcp = &mc;
3409 
3410 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
3411 
3412 	mcp->mb[0] = MBC_IDC_ACK;
3413 	memcpy(&mcp->mb[1], mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3414 	mcp->out_mb = MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
3415 	mcp->in_mb = MBX_0;
3416 	mcp->tov = MBX_TOV_SECONDS;
3417 	mcp->flags = 0;
3418 	rval = qla2x00_mailbox_command(vha, mcp);
3419 
3420 	if (rval != QLA_SUCCESS) {
3421 		DEBUG2_3_11(printk("%s(%ld): failed=%x (%x).\n", __func__,
3422 		    vha->host_no, rval, mcp->mb[0]));
3423 	} else {
3424 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
3425 	}
3426 
3427 	return rval;
3428 }
3429 
3430 int
3431 qla81xx_fac_get_sector_size(scsi_qla_host_t *vha, uint32_t *sector_size)
3432 {
3433 	int rval;
3434 	mbx_cmd_t mc;
3435 	mbx_cmd_t *mcp = &mc;
3436 
3437 	if (!IS_QLA81XX(vha->hw))
3438 		return QLA_FUNCTION_FAILED;
3439 
3440 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
3441 
3442 	mcp->mb[0] = MBC_FLASH_ACCESS_CTRL;
3443 	mcp->mb[1] = FAC_OPT_CMD_GET_SECTOR_SIZE;
3444 	mcp->out_mb = MBX_1|MBX_0;
3445 	mcp->in_mb = MBX_1|MBX_0;
3446 	mcp->tov = MBX_TOV_SECONDS;
3447 	mcp->flags = 0;
3448 	rval = qla2x00_mailbox_command(vha, mcp);
3449 
3450 	if (rval != QLA_SUCCESS) {
3451 		DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x mb[1]=%x.\n",
3452 		    __func__, vha->host_no, rval, mcp->mb[0], mcp->mb[1]));
3453 	} else {
3454 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
3455 		*sector_size = mcp->mb[1];
3456 	}
3457 
3458 	return rval;
3459 }
3460 
3461 int
3462 qla81xx_fac_do_write_enable(scsi_qla_host_t *vha, int enable)
3463 {
3464 	int rval;
3465 	mbx_cmd_t mc;
3466 	mbx_cmd_t *mcp = &mc;
3467 
3468 	if (!IS_QLA81XX(vha->hw))
3469 		return QLA_FUNCTION_FAILED;
3470 
3471 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
3472 
3473 	mcp->mb[0] = MBC_FLASH_ACCESS_CTRL;
3474 	mcp->mb[1] = enable ? FAC_OPT_CMD_WRITE_ENABLE :
3475 	    FAC_OPT_CMD_WRITE_PROTECT;
3476 	mcp->out_mb = MBX_1|MBX_0;
3477 	mcp->in_mb = MBX_1|MBX_0;
3478 	mcp->tov = MBX_TOV_SECONDS;
3479 	mcp->flags = 0;
3480 	rval = qla2x00_mailbox_command(vha, mcp);
3481 
3482 	if (rval != QLA_SUCCESS) {
3483 		DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x mb[1]=%x.\n",
3484 		    __func__, vha->host_no, rval, mcp->mb[0], mcp->mb[1]));
3485 	} else {
3486 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
3487 	}
3488 
3489 	return rval;
3490 }
3491 
3492 int
3493 qla81xx_fac_erase_sector(scsi_qla_host_t *vha, uint32_t start, uint32_t finish)
3494 {
3495 	int rval;
3496 	mbx_cmd_t mc;
3497 	mbx_cmd_t *mcp = &mc;
3498 
3499 	if (!IS_QLA81XX(vha->hw))
3500 		return QLA_FUNCTION_FAILED;
3501 
3502 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
3503 
3504 	mcp->mb[0] = MBC_FLASH_ACCESS_CTRL;
3505 	mcp->mb[1] = FAC_OPT_CMD_ERASE_SECTOR;
3506 	mcp->mb[2] = LSW(start);
3507 	mcp->mb[3] = MSW(start);
3508 	mcp->mb[4] = LSW(finish);
3509 	mcp->mb[5] = MSW(finish);
3510 	mcp->out_mb = MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
3511 	mcp->in_mb = MBX_2|MBX_1|MBX_0;
3512 	mcp->tov = MBX_TOV_SECONDS;
3513 	mcp->flags = 0;
3514 	rval = qla2x00_mailbox_command(vha, mcp);
3515 
3516 	if (rval != QLA_SUCCESS) {
3517 		DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x mb[1]=%x "
3518 		    "mb[2]=%x.\n", __func__, vha->host_no, rval, mcp->mb[0],
3519 		    mcp->mb[1], mcp->mb[2]));
3520 	} else {
3521 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
3522 	}
3523 
3524 	return rval;
3525 }
3526 
3527 int
3528 qla81xx_restart_mpi_firmware(scsi_qla_host_t *vha)
3529 {
3530 	int rval = 0;
3531 	mbx_cmd_t mc;
3532 	mbx_cmd_t *mcp = &mc;
3533 
3534 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
3535 
3536 	mcp->mb[0] = MBC_RESTART_MPI_FW;
3537 	mcp->out_mb = MBX_0;
3538 	mcp->in_mb = MBX_0|MBX_1;
3539 	mcp->tov = MBX_TOV_SECONDS;
3540 	mcp->flags = 0;
3541 	rval = qla2x00_mailbox_command(vha, mcp);
3542 
3543 	if (rval != QLA_SUCCESS) {
3544 		DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=0x%x mb[1]=0x%x.\n",
3545 		    __func__, vha->host_no, rval, mcp->mb[0], mcp->mb[1]));
3546 	} else {
3547 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
3548 	}
3549 
3550 	return rval;
3551 }
3552 
3553 int
3554 qla2x00_read_sfp(scsi_qla_host_t *vha, dma_addr_t sfp_dma, uint8_t *sfp,
3555 	uint16_t dev, uint16_t off, uint16_t len, uint16_t opt)
3556 {
3557 	int rval;
3558 	mbx_cmd_t mc;
3559 	mbx_cmd_t *mcp = &mc;
3560 	struct qla_hw_data *ha = vha->hw;
3561 
3562 	if (!IS_FWI2_CAPABLE(ha))
3563 		return QLA_FUNCTION_FAILED;
3564 
3565 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
3566 
3567 	if (len == 1)
3568 		opt |= BIT_0;
3569 
3570 	mcp->mb[0] = MBC_READ_SFP;
3571 	mcp->mb[1] = dev;
3572 	mcp->mb[2] = MSW(sfp_dma);
3573 	mcp->mb[3] = LSW(sfp_dma);
3574 	mcp->mb[6] = MSW(MSD(sfp_dma));
3575 	mcp->mb[7] = LSW(MSD(sfp_dma));
3576 	mcp->mb[8] = len;
3577 	mcp->mb[9] = off;
3578 	mcp->mb[10] = opt;
3579 	mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
3580 	mcp->in_mb = MBX_1|MBX_0;
3581 	mcp->tov = MBX_TOV_SECONDS;
3582 	mcp->flags = 0;
3583 	rval = qla2x00_mailbox_command(vha, mcp);
3584 
3585 	if (opt & BIT_0)
3586 		*sfp = mcp->mb[1];
3587 
3588 	if (rval != QLA_SUCCESS) {
3589 		DEBUG2_3_11(printk("%s(%ld): failed=%x (%x).\n", __func__,
3590 		    vha->host_no, rval, mcp->mb[0]));
3591 	} else {
3592 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
3593 	}
3594 
3595 	return rval;
3596 }
3597 
3598 int
3599 qla2x00_write_sfp(scsi_qla_host_t *vha, dma_addr_t sfp_dma, uint8_t *sfp,
3600 	uint16_t dev, uint16_t off, uint16_t len, uint16_t opt)
3601 {
3602 	int rval;
3603 	mbx_cmd_t mc;
3604 	mbx_cmd_t *mcp = &mc;
3605 	struct qla_hw_data *ha = vha->hw;
3606 
3607 	if (!IS_FWI2_CAPABLE(ha))
3608 		return QLA_FUNCTION_FAILED;
3609 
3610 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
3611 
3612 	if (len == 1)
3613 		opt |= BIT_0;
3614 
3615 	if (opt & BIT_0)
3616 		len = *sfp;
3617 
3618 	mcp->mb[0] = MBC_WRITE_SFP;
3619 	mcp->mb[1] = dev;
3620 	mcp->mb[2] = MSW(sfp_dma);
3621 	mcp->mb[3] = LSW(sfp_dma);
3622 	mcp->mb[6] = MSW(MSD(sfp_dma));
3623 	mcp->mb[7] = LSW(MSD(sfp_dma));
3624 	mcp->mb[8] = len;
3625 	mcp->mb[9] = off;
3626 	mcp->mb[10] = opt;
3627 	mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
3628 	mcp->in_mb = MBX_1|MBX_0;
3629 	mcp->tov = MBX_TOV_SECONDS;
3630 	mcp->flags = 0;
3631 	rval = qla2x00_mailbox_command(vha, mcp);
3632 
3633 	if (rval != QLA_SUCCESS) {
3634 		DEBUG2_3_11(printk("%s(%ld): failed=%x (%x).\n", __func__,
3635 		    vha->host_no, rval, mcp->mb[0]));
3636 	} else {
3637 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
3638 	}
3639 
3640 	return rval;
3641 }
3642 
3643 int
3644 qla2x00_get_xgmac_stats(scsi_qla_host_t *vha, dma_addr_t stats_dma,
3645     uint16_t size_in_bytes, uint16_t *actual_size)
3646 {
3647 	int rval;
3648 	mbx_cmd_t mc;
3649 	mbx_cmd_t *mcp = &mc;
3650 
3651 	if (!IS_QLA8XXX_TYPE(vha->hw))
3652 		return QLA_FUNCTION_FAILED;
3653 
3654 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
3655 
3656 	mcp->mb[0] = MBC_GET_XGMAC_STATS;
3657 	mcp->mb[2] = MSW(stats_dma);
3658 	mcp->mb[3] = LSW(stats_dma);
3659 	mcp->mb[6] = MSW(MSD(stats_dma));
3660 	mcp->mb[7] = LSW(MSD(stats_dma));
3661 	mcp->mb[8] = size_in_bytes >> 2;
3662 	mcp->out_mb = MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
3663 	mcp->in_mb = MBX_2|MBX_1|MBX_0;
3664 	mcp->tov = MBX_TOV_SECONDS;
3665 	mcp->flags = 0;
3666 	rval = qla2x00_mailbox_command(vha, mcp);
3667 
3668 	if (rval != QLA_SUCCESS) {
3669 		DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=0x%x "
3670 		    "mb[1]=0x%x mb[2]=0x%x.\n", __func__, vha->host_no, rval,
3671 		    mcp->mb[0], mcp->mb[1], mcp->mb[2]));
3672 	} else {
3673 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
3674 
3675 		*actual_size = mcp->mb[2] << 2;
3676 	}
3677 
3678 	return rval;
3679 }
3680 
3681 int
3682 qla2x00_get_dcbx_params(scsi_qla_host_t *vha, dma_addr_t tlv_dma,
3683     uint16_t size)
3684 {
3685 	int rval;
3686 	mbx_cmd_t mc;
3687 	mbx_cmd_t *mcp = &mc;
3688 
3689 	if (!IS_QLA8XXX_TYPE(vha->hw))
3690 		return QLA_FUNCTION_FAILED;
3691 
3692 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
3693 
3694 	mcp->mb[0] = MBC_GET_DCBX_PARAMS;
3695 	mcp->mb[1] = 0;
3696 	mcp->mb[2] = MSW(tlv_dma);
3697 	mcp->mb[3] = LSW(tlv_dma);
3698 	mcp->mb[6] = MSW(MSD(tlv_dma));
3699 	mcp->mb[7] = LSW(MSD(tlv_dma));
3700 	mcp->mb[8] = size;
3701 	mcp->out_mb = MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
3702 	mcp->in_mb = MBX_2|MBX_1|MBX_0;
3703 	mcp->tov = MBX_TOV_SECONDS;
3704 	mcp->flags = 0;
3705 	rval = qla2x00_mailbox_command(vha, mcp);
3706 
3707 	if (rval != QLA_SUCCESS) {
3708 		DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=0x%x "
3709 		    "mb[1]=0x%x mb[2]=0x%x.\n", __func__, vha->host_no, rval,
3710 		    mcp->mb[0], mcp->mb[1], mcp->mb[2]));
3711 	} else {
3712 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
3713 	}
3714 
3715 	return rval;
3716 }
3717 
3718 int
3719 qla2x00_read_ram_word(scsi_qla_host_t *vha, uint32_t risc_addr, uint32_t *data)
3720 {
3721 	int rval;
3722 	mbx_cmd_t mc;
3723 	mbx_cmd_t *mcp = &mc;
3724 
3725 	if (!IS_FWI2_CAPABLE(vha->hw))
3726 		return QLA_FUNCTION_FAILED;
3727 
3728 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
3729 
3730 	mcp->mb[0] = MBC_READ_RAM_EXTENDED;
3731 	mcp->mb[1] = LSW(risc_addr);
3732 	mcp->mb[8] = MSW(risc_addr);
3733 	mcp->out_mb = MBX_8|MBX_1|MBX_0;
3734 	mcp->in_mb = MBX_3|MBX_2|MBX_0;
3735 	mcp->tov = 30;
3736 	mcp->flags = 0;
3737 	rval = qla2x00_mailbox_command(vha, mcp);
3738 	if (rval != QLA_SUCCESS) {
3739 		DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x.\n", __func__,
3740 		    vha->host_no, rval, mcp->mb[0]));
3741 	} else {
3742 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
3743 		*data = mcp->mb[3] << 16 | mcp->mb[2];
3744 	}
3745 
3746 	return rval;
3747 }
3748 
3749 int
3750 qla2x00_loopback_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq,
3751 	uint16_t *mresp)
3752 {
3753 	int rval;
3754 	mbx_cmd_t mc;
3755 	mbx_cmd_t *mcp = &mc;
3756 	uint32_t iter_cnt = 0x1;
3757 
3758 	DEBUG11(printk("scsi(%ld): entered.\n", vha->host_no));
3759 
3760 	memset(mcp->mb, 0 , sizeof(mcp->mb));
3761 	mcp->mb[0] = MBC_DIAGNOSTIC_LOOP_BACK;
3762 	mcp->mb[1] = mreq->options | BIT_6;	// BIT_6 specifies 64 bit addressing
3763 
3764 	/* transfer count */
3765 	mcp->mb[10] = LSW(mreq->transfer_size);
3766 	mcp->mb[11] = MSW(mreq->transfer_size);
3767 
3768 	/* send data address */
3769 	mcp->mb[14] = LSW(mreq->send_dma);
3770 	mcp->mb[15] = MSW(mreq->send_dma);
3771 	mcp->mb[20] = LSW(MSD(mreq->send_dma));
3772 	mcp->mb[21] = MSW(MSD(mreq->send_dma));
3773 
3774 	/* receive data address */
3775 	mcp->mb[16] = LSW(mreq->rcv_dma);
3776 	mcp->mb[17] = MSW(mreq->rcv_dma);
3777 	mcp->mb[6] = LSW(MSD(mreq->rcv_dma));
3778 	mcp->mb[7] = MSW(MSD(mreq->rcv_dma));
3779 
3780 	/* Iteration count */
3781 	mcp->mb[18] = LSW(iter_cnt);
3782 	mcp->mb[19] = MSW(iter_cnt);
3783 
3784 	mcp->out_mb = MBX_21|MBX_20|MBX_19|MBX_18|MBX_17|MBX_16|MBX_15|
3785 	    MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_7|MBX_6|MBX_1|MBX_0;
3786 	if (IS_QLA8XXX_TYPE(vha->hw))
3787 		mcp->out_mb |= MBX_2;
3788 	mcp->in_mb = MBX_19|MBX_18|MBX_3|MBX_2|MBX_1|MBX_0;
3789 
3790 	mcp->buf_size = mreq->transfer_size;
3791 	mcp->tov = MBX_TOV_SECONDS;
3792 	mcp->flags = MBX_DMA_OUT|MBX_DMA_IN|IOCTL_CMD;
3793 
3794 	rval = qla2x00_mailbox_command(vha, mcp);
3795 
3796 	if (rval != QLA_SUCCESS) {
3797 		DEBUG2(printk(KERN_WARNING
3798 			"(%ld): failed=%x mb[0]=0x%x "
3799 			"mb[1]=0x%x mb[2]=0x%x mb[3]=0x%x mb[18]=0x%x "
3800 			"mb[19]=0x%x.\n",
3801 			vha->host_no, rval, mcp->mb[0], mcp->mb[1], mcp->mb[2],
3802 			mcp->mb[3], mcp->mb[18], mcp->mb[19]));
3803 	} else {
3804 		DEBUG2(printk(KERN_WARNING
3805 		    "scsi(%ld): done.\n", vha->host_no));
3806 	}
3807 
3808 	/* Copy mailbox information */
3809 	memcpy( mresp, mcp->mb, 64);
3810 	return rval;
3811 }
3812 
3813 int
3814 qla2x00_echo_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq,
3815 	uint16_t *mresp)
3816 {
3817 	int rval;
3818 	mbx_cmd_t mc;
3819 	mbx_cmd_t *mcp = &mc;
3820 	struct qla_hw_data *ha = vha->hw;
3821 
3822 	DEBUG11(printk("scsi(%ld): entered.\n", vha->host_no));
3823 
3824 	memset(mcp->mb, 0 , sizeof(mcp->mb));
3825 	mcp->mb[0] = MBC_DIAGNOSTIC_ECHO;
3826 	mcp->mb[1] = mreq->options | BIT_6;	/* BIT_6 specifies 64bit address */
3827 	if (IS_QLA8XXX_TYPE(ha)) {
3828 		mcp->mb[1] |= BIT_15;
3829 		mcp->mb[2] = vha->fcoe_fcf_idx;
3830 	}
3831 	mcp->mb[16] = LSW(mreq->rcv_dma);
3832 	mcp->mb[17] = MSW(mreq->rcv_dma);
3833 	mcp->mb[6] = LSW(MSD(mreq->rcv_dma));
3834 	mcp->mb[7] = MSW(MSD(mreq->rcv_dma));
3835 
3836 	mcp->mb[10] = LSW(mreq->transfer_size);
3837 
3838 	mcp->mb[14] = LSW(mreq->send_dma);
3839 	mcp->mb[15] = MSW(mreq->send_dma);
3840 	mcp->mb[20] = LSW(MSD(mreq->send_dma));
3841 	mcp->mb[21] = MSW(MSD(mreq->send_dma));
3842 
3843 	mcp->out_mb = MBX_21|MBX_20|MBX_17|MBX_16|MBX_15|
3844 	    MBX_14|MBX_10|MBX_7|MBX_6|MBX_1|MBX_0;
3845 	if (IS_QLA8XXX_TYPE(ha))
3846 		mcp->out_mb |= MBX_2;
3847 
3848 	mcp->in_mb = MBX_0;
3849 	if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) || IS_QLA8XXX_TYPE(ha))
3850 		mcp->in_mb |= MBX_1;
3851 	if (IS_QLA8XXX_TYPE(ha))
3852 		mcp->in_mb |= MBX_3;
3853 
3854 	mcp->tov = MBX_TOV_SECONDS;
3855 	mcp->flags = MBX_DMA_OUT|MBX_DMA_IN|IOCTL_CMD;
3856 	mcp->buf_size = mreq->transfer_size;
3857 
3858 	rval = qla2x00_mailbox_command(vha, mcp);
3859 
3860 	if (rval != QLA_SUCCESS) {
3861 		DEBUG2(printk(KERN_WARNING
3862 		    "(%ld): failed=%x mb[0]=0x%x mb[1]=0x%x.\n",
3863 		    vha->host_no, rval, mcp->mb[0], mcp->mb[1]));
3864 	} else {
3865 		DEBUG2(printk(KERN_WARNING
3866 		    "scsi(%ld): done.\n", vha->host_no));
3867 	}
3868 
3869 	/* Copy mailbox information */
3870 	memcpy(mresp, mcp->mb, 64);
3871 	return rval;
3872 }
3873 
3874 int
3875 qla84xx_reset_chip(scsi_qla_host_t *ha, uint16_t enable_diagnostic)
3876 {
3877 	int rval;
3878 	mbx_cmd_t mc;
3879 	mbx_cmd_t *mcp = &mc;
3880 
3881 	DEBUG16(printk("%s(%ld): enable_diag=%d entered.\n", __func__,
3882 		ha->host_no, enable_diagnostic));
3883 
3884 	mcp->mb[0] = MBC_ISP84XX_RESET;
3885 	mcp->mb[1] = enable_diagnostic;
3886 	mcp->out_mb = MBX_1|MBX_0;
3887 	mcp->in_mb = MBX_1|MBX_0;
3888 	mcp->tov = MBX_TOV_SECONDS;
3889 	mcp->flags = MBX_DMA_OUT|MBX_DMA_IN|IOCTL_CMD;
3890 	rval = qla2x00_mailbox_command(ha, mcp);
3891 
3892 	if (rval != QLA_SUCCESS)
3893 		DEBUG16(printk("%s(%ld): failed=%x.\n", __func__, ha->host_no,
3894 			rval));
3895 	else
3896 		DEBUG16(printk("%s(%ld): done.\n", __func__, ha->host_no));
3897 
3898 	return rval;
3899 }
3900 
3901 int
3902 qla2x00_write_ram_word(scsi_qla_host_t *vha, uint32_t risc_addr, uint32_t data)
3903 {
3904 	int rval;
3905 	mbx_cmd_t mc;
3906 	mbx_cmd_t *mcp = &mc;
3907 
3908 	if (!IS_FWI2_CAPABLE(vha->hw))
3909 		return QLA_FUNCTION_FAILED;
3910 
3911 	DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
3912 
3913 	mcp->mb[0] = MBC_WRITE_RAM_WORD_EXTENDED;
3914 	mcp->mb[1] = LSW(risc_addr);
3915 	mcp->mb[2] = LSW(data);
3916 	mcp->mb[3] = MSW(data);
3917 	mcp->mb[8] = MSW(risc_addr);
3918 	mcp->out_mb = MBX_8|MBX_3|MBX_2|MBX_1|MBX_0;
3919 	mcp->in_mb = MBX_0;
3920 	mcp->tov = 30;
3921 	mcp->flags = 0;
3922 	rval = qla2x00_mailbox_command(vha, mcp);
3923 	if (rval != QLA_SUCCESS) {
3924 		DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x.\n", __func__,
3925 		    vha->host_no, rval, mcp->mb[0]));
3926 	} else {
3927 		DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
3928 	}
3929 
3930 	return rval;
3931 }
3932 
3933 int
3934 qla81xx_write_mpi_register(scsi_qla_host_t *vha, uint16_t *mb)
3935 {
3936 	int rval;
3937 	uint32_t stat, timer;
3938 	uint16_t mb0 = 0;
3939 	struct qla_hw_data *ha = vha->hw;
3940 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3941 
3942 	rval = QLA_SUCCESS;
3943 
3944 	DEBUG11(qla_printk(KERN_INFO, ha,
3945 	    "%s(%ld): entered.\n", __func__, vha->host_no));
3946 
3947 	clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
3948 
3949 	/* Write the MBC data to the registers */
3950 	WRT_REG_WORD(&reg->mailbox0, MBC_WRITE_MPI_REGISTER);
3951 	WRT_REG_WORD(&reg->mailbox1, mb[0]);
3952 	WRT_REG_WORD(&reg->mailbox2, mb[1]);
3953 	WRT_REG_WORD(&reg->mailbox3, mb[2]);
3954 	WRT_REG_WORD(&reg->mailbox4, mb[3]);
3955 
3956 	WRT_REG_DWORD(&reg->hccr, HCCRX_SET_HOST_INT);
3957 
3958 	/* Poll for MBC interrupt */
3959 	for (timer = 6000000; timer; timer--) {
3960 		/* Check for pending interrupts. */
3961 		stat = RD_REG_DWORD(&reg->host_status);
3962 		if (stat & HSRX_RISC_INT) {
3963 			stat &= 0xff;
3964 
3965 			if (stat == 0x1 || stat == 0x2 ||
3966 			    stat == 0x10 || stat == 0x11) {
3967 				set_bit(MBX_INTERRUPT,
3968 				    &ha->mbx_cmd_flags);
3969 				mb0 = RD_REG_WORD(&reg->mailbox0);
3970 				WRT_REG_DWORD(&reg->hccr,
3971 				    HCCRX_CLR_RISC_INT);
3972 				RD_REG_DWORD(&reg->hccr);
3973 				break;
3974 			}
3975 		}
3976 		udelay(5);
3977 	}
3978 
3979 	if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags))
3980 		rval = mb0 & MBS_MASK;
3981 	else
3982 		rval = QLA_FUNCTION_FAILED;
3983 
3984 	if (rval != QLA_SUCCESS) {
3985 		DEBUG2_3_11(printk(KERN_INFO "%s(%ld): failed=%x mb[0]=%x.\n",
3986 		    __func__, vha->host_no, rval, mb[0]));
3987 	} else {
3988 		DEBUG11(printk(KERN_INFO
3989 		    "%s(%ld): done.\n", __func__, vha->host_no));
3990 	}
3991 
3992 	return rval;
3993 }
3994 int
3995 qla2x00_get_data_rate(scsi_qla_host_t *vha)
3996 {
3997 	int rval;
3998 	mbx_cmd_t mc;
3999 	mbx_cmd_t *mcp = &mc;
4000 	struct qla_hw_data *ha = vha->hw;
4001 
4002 	if (!IS_FWI2_CAPABLE(ha))
4003 		return QLA_FUNCTION_FAILED;
4004 
4005 	DEBUG11(qla_printk(KERN_INFO, ha,
4006 		"%s(%ld): entered.\n", __func__, vha->host_no));
4007 
4008 	mcp->mb[0] = MBC_DATA_RATE;
4009 	mcp->mb[1] = 0;
4010 	mcp->out_mb = MBX_1|MBX_0;
4011 	mcp->in_mb = MBX_2|MBX_1|MBX_0;
4012 	mcp->tov = MBX_TOV_SECONDS;
4013 	mcp->flags = 0;
4014 	rval = qla2x00_mailbox_command(vha, mcp);
4015 	if (rval != QLA_SUCCESS) {
4016 		DEBUG2_3_11(printk(KERN_INFO "%s(%ld): failed=%x mb[0]=%x.\n",
4017 		    __func__, vha->host_no, rval, mcp->mb[0]));
4018 	} else {
4019 		DEBUG11(printk(KERN_INFO
4020 		    "%s(%ld): done.\n", __func__, vha->host_no));
4021 		if (mcp->mb[1] != 0x7)
4022 			ha->link_data_rate = mcp->mb[1];
4023 	}
4024 
4025 	return rval;
4026 }
4027 
4028 int
4029 qla81xx_get_port_config(scsi_qla_host_t *vha, uint16_t *mb)
4030 {
4031 	int rval;
4032 	mbx_cmd_t mc;
4033 	mbx_cmd_t *mcp = &mc;
4034 	struct qla_hw_data *ha = vha->hw;
4035 
4036 	DEBUG11(printk(KERN_INFO
4037 	    "%s(%ld): entered.\n", __func__, vha->host_no));
4038 
4039 	if (!IS_QLA81XX(ha))
4040 		return QLA_FUNCTION_FAILED;
4041 	mcp->mb[0] = MBC_GET_PORT_CONFIG;
4042 	mcp->out_mb = MBX_0;
4043 	mcp->in_mb = MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
4044 	mcp->tov = MBX_TOV_SECONDS;
4045 	mcp->flags = 0;
4046 
4047 	rval = qla2x00_mailbox_command(vha, mcp);
4048 
4049 	if (rval != QLA_SUCCESS) {
4050 		DEBUG2_3_11(printk(KERN_WARNING
4051 		    "%s(%ld): failed=%x (%x).\n", __func__,
4052 		    vha->host_no, rval, mcp->mb[0]));
4053 	} else {
4054 		/* Copy all bits to preserve original value */
4055 		memcpy(mb, &mcp->mb[1], sizeof(uint16_t) * 4);
4056 
4057 		DEBUG11(printk(KERN_INFO
4058 		    "%s(%ld): done.\n", __func__, vha->host_no));
4059 	}
4060 	return rval;
4061 }
4062 
4063 int
4064 qla81xx_set_port_config(scsi_qla_host_t *vha, uint16_t *mb)
4065 {
4066 	int rval;
4067 	mbx_cmd_t mc;
4068 	mbx_cmd_t *mcp = &mc;
4069 
4070 	DEBUG11(printk(KERN_INFO
4071 	    "%s(%ld): entered.\n", __func__, vha->host_no));
4072 
4073 	mcp->mb[0] = MBC_SET_PORT_CONFIG;
4074 	/* Copy all bits to preserve original setting */
4075 	memcpy(&mcp->mb[1], mb, sizeof(uint16_t) * 4);
4076 	mcp->out_mb = MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
4077 	mcp->in_mb = MBX_0;
4078 	mcp->tov = MBX_TOV_SECONDS;
4079 	mcp->flags = 0;
4080 	rval = qla2x00_mailbox_command(vha, mcp);
4081 
4082 	if (rval != QLA_SUCCESS) {
4083 		DEBUG2_3_11(printk(KERN_WARNING
4084 		    "%s(%ld): failed=%x (%x).\n", __func__,
4085 		    vha->host_no, rval, mcp->mb[0]));
4086 	} else
4087 		DEBUG11(printk(KERN_INFO
4088 		    "%s(%ld): done.\n", __func__, vha->host_no));
4089 
4090 	return rval;
4091 }
4092 
4093 
4094 int
4095 qla24xx_set_fcp_prio(scsi_qla_host_t *vha, uint16_t loop_id, uint16_t priority,
4096 		uint16_t *mb)
4097 {
4098 	int rval;
4099 	mbx_cmd_t mc;
4100 	mbx_cmd_t *mcp = &mc;
4101 	struct qla_hw_data *ha = vha->hw;
4102 
4103 	if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha))
4104 		return QLA_FUNCTION_FAILED;
4105 
4106 	DEBUG11(printk(KERN_INFO
4107 	    "%s(%ld): entered.\n", __func__, vha->host_no));
4108 
4109 	mcp->mb[0] = MBC_PORT_PARAMS;
4110 	mcp->mb[1] = loop_id;
4111 	if (ha->flags.fcp_prio_enabled)
4112 		mcp->mb[2] = BIT_1;
4113 	else
4114 		mcp->mb[2] = BIT_2;
4115 	mcp->mb[4] = priority & 0xf;
4116 	mcp->mb[9] = vha->vp_idx;
4117 	mcp->out_mb = MBX_9|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
4118 	mcp->in_mb = MBX_4|MBX_3|MBX_1|MBX_0;
4119 	mcp->tov = 30;
4120 	mcp->flags = 0;
4121 	rval = qla2x00_mailbox_command(vha, mcp);
4122 	if (mb != NULL) {
4123 		mb[0] = mcp->mb[0];
4124 		mb[1] = mcp->mb[1];
4125 		mb[3] = mcp->mb[3];
4126 		mb[4] = mcp->mb[4];
4127 	}
4128 
4129 	if (rval != QLA_SUCCESS) {
4130 		DEBUG2_3_11(printk(KERN_WARNING
4131 		    "%s(%ld): failed=%x.\n", __func__,
4132 		    vha->host_no, rval));
4133 	} else {
4134 		DEBUG11(printk(KERN_INFO
4135 		    "%s(%ld): done.\n", __func__, vha->host_no));
4136 	}
4137 
4138 	return rval;
4139 }
4140 
4141 int
4142 qla2x00_get_thermal_temp(scsi_qla_host_t *vha, uint16_t *temp, uint16_t *frac)
4143 {
4144 	int rval;
4145 	uint8_t byte;
4146 	struct qla_hw_data *ha = vha->hw;
4147 
4148 	DEBUG11(printk(KERN_INFO "%s(%ld): entered.\n", __func__, vha->host_no));
4149 
4150 	/* Integer part */
4151 	rval = qla2x00_read_sfp(vha, 0, &byte, 0x98, 0x01, 1, BIT_13|BIT_0);
4152 	if (rval != QLA_SUCCESS) {
4153 		DEBUG2_3_11(printk(KERN_WARNING
4154 		    "%s(%ld): failed=%x.\n", __func__, vha->host_no, rval));
4155 		ha->flags.thermal_supported = 0;
4156 		goto fail;
4157 	}
4158 	*temp = byte;
4159 
4160 	/* Fraction part */
4161 	rval = qla2x00_read_sfp(vha, 0, &byte, 0x98, 0x10, 1, BIT_13|BIT_0);
4162 	if (rval != QLA_SUCCESS) {
4163 		DEBUG2_3_11(printk(KERN_WARNING
4164 		    "%s(%ld): failed=%x.\n", __func__, vha->host_no, rval));
4165 		ha->flags.thermal_supported = 0;
4166 		goto fail;
4167 	}
4168 	*frac = (byte >> 6) * 25;
4169 
4170 	DEBUG11(printk(KERN_INFO "%s(%ld): done.\n", __func__, vha->host_no));
4171 fail:
4172 	return rval;
4173 }
4174 
4175 int
4176 qla82xx_mbx_intr_enable(scsi_qla_host_t *vha)
4177 {
4178 	int rval;
4179 	struct qla_hw_data *ha = vha->hw;
4180 	mbx_cmd_t mc;
4181 	mbx_cmd_t *mcp = &mc;
4182 
4183 	if (!IS_FWI2_CAPABLE(ha))
4184 		return QLA_FUNCTION_FAILED;
4185 
4186 	DEBUG11(qla_printk(KERN_INFO, ha,
4187 		"%s(%ld): entered.\n", __func__, vha->host_no));
4188 
4189 	memset(mcp, 0, sizeof(mbx_cmd_t));
4190 	mcp->mb[0] = MBC_TOGGLE_INTERRUPT;
4191 	mcp->mb[1] = 1;
4192 
4193 	mcp->out_mb = MBX_1|MBX_0;
4194 	mcp->in_mb = MBX_0;
4195 	mcp->tov = 30;
4196 	mcp->flags = 0;
4197 
4198 	rval = qla2x00_mailbox_command(vha, mcp);
4199 	if (rval != QLA_SUCCESS) {
4200 		DEBUG2_3_11(qla_printk(KERN_WARNING, ha,
4201 			"%s(%ld): failed=%x mb[0]=%x.\n", __func__,
4202 			vha->host_no, rval, mcp->mb[0]));
4203 	} else {
4204 		DEBUG11(qla_printk(KERN_INFO, ha,
4205 			"%s(%ld): done.\n", __func__, vha->host_no));
4206 	}
4207 
4208 	return rval;
4209 }
4210 
4211 int
4212 qla82xx_mbx_intr_disable(scsi_qla_host_t *vha)
4213 {
4214 	int rval;
4215 	struct qla_hw_data *ha = vha->hw;
4216 	mbx_cmd_t mc;
4217 	mbx_cmd_t *mcp = &mc;
4218 
4219 	if (!IS_QLA82XX(ha))
4220 		return QLA_FUNCTION_FAILED;
4221 
4222 	DEBUG11(qla_printk(KERN_INFO, ha,
4223 		"%s(%ld): entered.\n", __func__, vha->host_no));
4224 
4225 	memset(mcp, 0, sizeof(mbx_cmd_t));
4226 	mcp->mb[0] = MBC_TOGGLE_INTERRUPT;
4227 	mcp->mb[1] = 0;
4228 
4229 	mcp->out_mb = MBX_1|MBX_0;
4230 	mcp->in_mb = MBX_0;
4231 	mcp->tov = 30;
4232 	mcp->flags = 0;
4233 
4234 	rval = qla2x00_mailbox_command(vha, mcp);
4235 	if (rval != QLA_SUCCESS) {
4236 		DEBUG2_3_11(qla_printk(KERN_WARNING, ha,
4237 			"%s(%ld): failed=%x mb[0]=%x.\n", __func__,
4238 			vha->host_no, rval, mcp->mb[0]));
4239 	} else {
4240 		DEBUG11(qla_printk(KERN_INFO, ha,
4241 			"%s(%ld): done.\n", __func__, vha->host_no));
4242 	}
4243 
4244 	return rval;
4245 }
4246