1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * QLogic iSCSI HBA Driver
4  * Copyright (c)  2003-2013 QLogic Corporation
5  */
6 
7 #include <linux/ctype.h>
8 #include "ql4_def.h"
9 #include "ql4_glbl.h"
10 #include "ql4_dbg.h"
11 #include "ql4_inline.h"
12 #include "ql4_version.h"
13 
qla4xxx_queue_mbox_cmd(struct scsi_qla_host * ha,uint32_t * mbx_cmd,int in_count)14 void qla4xxx_queue_mbox_cmd(struct scsi_qla_host *ha, uint32_t *mbx_cmd,
15 			    int in_count)
16 {
17 	int i;
18 
19 	/* Load all mailbox registers, except mailbox 0. */
20 	for (i = 1; i < in_count; i++)
21 		writel(mbx_cmd[i], &ha->reg->mailbox[i]);
22 
23 	/* Wakeup firmware  */
24 	writel(mbx_cmd[0], &ha->reg->mailbox[0]);
25 	readl(&ha->reg->mailbox[0]);
26 	writel(set_rmask(CSR_INTR_RISC), &ha->reg->ctrl_status);
27 	readl(&ha->reg->ctrl_status);
28 }
29 
qla4xxx_process_mbox_intr(struct scsi_qla_host * ha,int out_count)30 void qla4xxx_process_mbox_intr(struct scsi_qla_host *ha, int out_count)
31 {
32 	int intr_status;
33 
34 	intr_status = readl(&ha->reg->ctrl_status);
35 	if (intr_status & INTR_PENDING) {
36 		/*
37 		 * Service the interrupt.
38 		 * The ISR will save the mailbox status registers
39 		 * to a temporary storage location in the adapter structure.
40 		 */
41 		ha->mbox_status_count = out_count;
42 		ha->isp_ops->interrupt_service_routine(ha, intr_status);
43 	}
44 }
45 
46 /**
47  * qla4xxx_is_intr_poll_mode - Are we allowed to poll for interrupts?
48  * @ha: Pointer to host adapter structure.
49  * returns: 1=polling mode, 0=non-polling mode
50  **/
qla4xxx_is_intr_poll_mode(struct scsi_qla_host * ha)51 static int qla4xxx_is_intr_poll_mode(struct scsi_qla_host *ha)
52 {
53 	int rval = 1;
54 
55 	if (is_qla8032(ha) || is_qla8042(ha)) {
56 		if (test_bit(AF_IRQ_ATTACHED, &ha->flags) &&
57 		    test_bit(AF_83XX_MBOX_INTR_ON, &ha->flags))
58 			rval = 0;
59 	} else {
60 		if (test_bit(AF_IRQ_ATTACHED, &ha->flags) &&
61 		    test_bit(AF_INTERRUPTS_ON, &ha->flags) &&
62 		    test_bit(AF_ONLINE, &ha->flags) &&
63 		    !test_bit(AF_HA_REMOVAL, &ha->flags))
64 			rval = 0;
65 	}
66 
67 	return rval;
68 }
69 
70 /**
71  * qla4xxx_mailbox_command - issues mailbox commands
72  * @ha: Pointer to host adapter structure.
73  * @inCount: number of mailbox registers to load.
74  * @outCount: number of mailbox registers to return.
75  * @mbx_cmd: data pointer for mailbox in registers.
76  * @mbx_sts: data pointer for mailbox out registers.
77  *
78  * This routine issue mailbox commands and waits for completion.
79  * If outCount is 0, this routine completes successfully WITHOUT waiting
80  * for the mailbox command to complete.
81  **/
qla4xxx_mailbox_command(struct scsi_qla_host * ha,uint8_t inCount,uint8_t outCount,uint32_t * mbx_cmd,uint32_t * mbx_sts)82 int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
83 			    uint8_t outCount, uint32_t *mbx_cmd,
84 			    uint32_t *mbx_sts)
85 {
86 	int status = QLA_ERROR;
87 	uint8_t i;
88 	u_long wait_count;
89 	unsigned long flags = 0;
90 	uint32_t dev_state;
91 
92 	/* Make sure that pointers are valid */
93 	if (!mbx_cmd || !mbx_sts) {
94 		DEBUG2(printk("scsi%ld: %s: Invalid mbx_cmd or mbx_sts "
95 			      "pointer\n", ha->host_no, __func__));
96 		return status;
97 	}
98 
99 	if (is_qla40XX(ha)) {
100 		if (test_bit(AF_HA_REMOVAL, &ha->flags)) {
101 			DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
102 					  "prematurely completing mbx cmd as "
103 					  "adapter removal detected\n",
104 					  ha->host_no, __func__));
105 			return status;
106 		}
107 	}
108 
109 	if ((is_aer_supported(ha)) &&
110 	    (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))) {
111 		DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Perm failure on EEH, "
112 		    "timeout MBX Exiting.\n", ha->host_no, __func__));
113 		return status;
114 	}
115 
116 	/* Mailbox code active */
117 	wait_count = MBOX_TOV * 100;
118 
119 	while (wait_count--) {
120 		mutex_lock(&ha->mbox_sem);
121 		if (!test_bit(AF_MBOX_COMMAND, &ha->flags)) {
122 			set_bit(AF_MBOX_COMMAND, &ha->flags);
123 			mutex_unlock(&ha->mbox_sem);
124 			break;
125 		}
126 		mutex_unlock(&ha->mbox_sem);
127 		if (!wait_count) {
128 			DEBUG2(printk("scsi%ld: %s: mbox_sem failed\n",
129 				ha->host_no, __func__));
130 			return status;
131 		}
132 		msleep(10);
133 	}
134 
135 	if (is_qla80XX(ha)) {
136 		if (test_bit(AF_FW_RECOVERY, &ha->flags)) {
137 			DEBUG2(ql4_printk(KERN_WARNING, ha,
138 					  "scsi%ld: %s: prematurely completing mbx cmd as firmware recovery detected\n",
139 					  ha->host_no, __func__));
140 			goto mbox_exit;
141 		}
142 		/* Do not send any mbx cmd if h/w is in failed state*/
143 		ha->isp_ops->idc_lock(ha);
144 		dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE);
145 		ha->isp_ops->idc_unlock(ha);
146 		if (dev_state == QLA8XXX_DEV_FAILED) {
147 			ql4_printk(KERN_WARNING, ha,
148 				   "scsi%ld: %s: H/W is in failed state, do not send any mailbox commands\n",
149 				   ha->host_no, __func__);
150 			goto mbox_exit;
151 		}
152 	}
153 
154 	spin_lock_irqsave(&ha->hardware_lock, flags);
155 
156 	ha->mbox_status_count = outCount;
157 	for (i = 0; i < outCount; i++)
158 		ha->mbox_status[i] = 0;
159 
160 	/* Queue the mailbox command to the firmware */
161 	ha->isp_ops->queue_mailbox_command(ha, mbx_cmd, inCount);
162 
163 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
164 
165 	/* Wait for completion */
166 
167 	/*
168 	 * If we don't want status, don't wait for the mailbox command to
169 	 * complete.  For example, MBOX_CMD_RESET_FW doesn't return status,
170 	 * you must poll the inbound Interrupt Mask for completion.
171 	 */
172 	if (outCount == 0) {
173 		status = QLA_SUCCESS;
174 		goto mbox_exit;
175 	}
176 
177 	/*
178 	 * Wait for completion: Poll or completion queue
179 	 */
180 	if (qla4xxx_is_intr_poll_mode(ha)) {
181 		/* Poll for command to complete */
182 		wait_count = jiffies + MBOX_TOV * HZ;
183 		while (test_bit(AF_MBOX_COMMAND_DONE, &ha->flags) == 0) {
184 			if (time_after_eq(jiffies, wait_count))
185 				break;
186 			/*
187 			 * Service the interrupt.
188 			 * The ISR will save the mailbox status registers
189 			 * to a temporary storage location in the adapter
190 			 * structure.
191 			 */
192 			spin_lock_irqsave(&ha->hardware_lock, flags);
193 			ha->isp_ops->process_mailbox_interrupt(ha, outCount);
194 			spin_unlock_irqrestore(&ha->hardware_lock, flags);
195 			msleep(10);
196 		}
197 	} else {
198 		/* Do not poll for completion. Use completion queue */
199 		set_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags);
200 		wait_for_completion_timeout(&ha->mbx_intr_comp, MBOX_TOV * HZ);
201 		clear_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags);
202 	}
203 
204 	/* Check for mailbox timeout. */
205 	if (!test_bit(AF_MBOX_COMMAND_DONE, &ha->flags)) {
206 		if (is_qla80XX(ha) &&
207 		    test_bit(AF_FW_RECOVERY, &ha->flags)) {
208 			DEBUG2(ql4_printk(KERN_INFO, ha,
209 			    "scsi%ld: %s: prematurely completing mbx cmd as "
210 			    "firmware recovery detected\n",
211 			    ha->host_no, __func__));
212 			goto mbox_exit;
213 		}
214 		ql4_printk(KERN_WARNING, ha, "scsi%ld: Mailbox Cmd 0x%08X timed out, Scheduling Adapter Reset\n",
215 			   ha->host_no, mbx_cmd[0]);
216 		ha->mailbox_timeout_count++;
217 		mbx_sts[0] = (-1);
218 		set_bit(DPC_RESET_HA, &ha->dpc_flags);
219 		if (is_qla8022(ha)) {
220 			ql4_printk(KERN_INFO, ha,
221 				   "disabling pause transmit on port 0 & 1.\n");
222 			qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
223 					CRB_NIU_XG_PAUSE_CTL_P0 |
224 					CRB_NIU_XG_PAUSE_CTL_P1);
225 		} else if (is_qla8032(ha) || is_qla8042(ha)) {
226 			ql4_printk(KERN_INFO, ha, " %s: disabling pause transmit on port 0 & 1.\n",
227 				   __func__);
228 			qla4_83xx_disable_pause(ha);
229 		}
230 		goto mbox_exit;
231 	}
232 
233 	/*
234 	 * Copy the mailbox out registers to the caller's mailbox in/out
235 	 * structure.
236 	 */
237 	spin_lock_irqsave(&ha->hardware_lock, flags);
238 	for (i = 0; i < outCount; i++)
239 		mbx_sts[i] = ha->mbox_status[i];
240 
241 	/* Set return status and error flags (if applicable). */
242 	switch (ha->mbox_status[0]) {
243 	case MBOX_STS_COMMAND_COMPLETE:
244 		status = QLA_SUCCESS;
245 		break;
246 
247 	case MBOX_STS_INTERMEDIATE_COMPLETION:
248 		status = QLA_SUCCESS;
249 		break;
250 
251 	case MBOX_STS_BUSY:
252 		ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Cmd = %08X, ISP BUSY\n",
253 			   ha->host_no, __func__, mbx_cmd[0]);
254 		ha->mailbox_timeout_count++;
255 		break;
256 
257 	default:
258 		ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: FAILED, MBOX CMD = %08X, MBOX STS = %08X %08X %08X %08X %08X %08X %08X %08X\n",
259 			   ha->host_no, __func__, mbx_cmd[0], mbx_sts[0],
260 			   mbx_sts[1], mbx_sts[2], mbx_sts[3], mbx_sts[4],
261 			   mbx_sts[5], mbx_sts[6], mbx_sts[7]);
262 		break;
263 	}
264 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
265 
266 mbox_exit:
267 	mutex_lock(&ha->mbox_sem);
268 	clear_bit(AF_MBOX_COMMAND, &ha->flags);
269 	mutex_unlock(&ha->mbox_sem);
270 	clear_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
271 
272 	return status;
273 }
274 
275 /**
276  * qla4xxx_get_minidump_template - Get the firmware template
277  * @ha: Pointer to host adapter structure.
278  * @phys_addr: dma address for template
279  *
280  * Obtain the minidump template from firmware during initialization
281  * as it may not be available when minidump is desired.
282  **/
qla4xxx_get_minidump_template(struct scsi_qla_host * ha,dma_addr_t phys_addr)283 int qla4xxx_get_minidump_template(struct scsi_qla_host *ha,
284 				  dma_addr_t phys_addr)
285 {
286 	uint32_t mbox_cmd[MBOX_REG_COUNT];
287 	uint32_t mbox_sts[MBOX_REG_COUNT];
288 	int status;
289 
290 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
291 	memset(&mbox_sts, 0, sizeof(mbox_sts));
292 
293 	mbox_cmd[0] = MBOX_CMD_MINIDUMP;
294 	mbox_cmd[1] = MINIDUMP_GET_TMPLT_SUBCOMMAND;
295 	mbox_cmd[2] = LSDW(phys_addr);
296 	mbox_cmd[3] = MSDW(phys_addr);
297 	mbox_cmd[4] = ha->fw_dump_tmplt_size;
298 	mbox_cmd[5] = 0;
299 
300 	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
301 					 &mbox_sts[0]);
302 	if (status != QLA_SUCCESS) {
303 		DEBUG2(ql4_printk(KERN_INFO, ha,
304 				  "scsi%ld: %s: Cmd = %08X, mbx[0] = 0x%04x, mbx[1] = 0x%04x\n",
305 				  ha->host_no, __func__, mbox_cmd[0],
306 				  mbox_sts[0], mbox_sts[1]));
307 	}
308 	return status;
309 }
310 
311 /**
312  * qla4xxx_req_template_size - Get minidump template size from firmware.
313  * @ha: Pointer to host adapter structure.
314  **/
qla4xxx_req_template_size(struct scsi_qla_host * ha)315 int qla4xxx_req_template_size(struct scsi_qla_host *ha)
316 {
317 	uint32_t mbox_cmd[MBOX_REG_COUNT];
318 	uint32_t mbox_sts[MBOX_REG_COUNT];
319 	int status;
320 
321 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
322 	memset(&mbox_sts, 0, sizeof(mbox_sts));
323 
324 	mbox_cmd[0] = MBOX_CMD_MINIDUMP;
325 	mbox_cmd[1] = MINIDUMP_GET_SIZE_SUBCOMMAND;
326 
327 	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 8, &mbox_cmd[0],
328 					 &mbox_sts[0]);
329 	if (status == QLA_SUCCESS) {
330 		ha->fw_dump_tmplt_size = mbox_sts[1];
331 		DEBUG2(ql4_printk(KERN_INFO, ha,
332 				  "%s: sts[0]=0x%04x, template  size=0x%04x, size_cm_02=0x%04x, size_cm_04=0x%04x, size_cm_08=0x%04x, size_cm_10=0x%04x, size_cm_FF=0x%04x, version=0x%04x\n",
333 				  __func__, mbox_sts[0], mbox_sts[1],
334 				  mbox_sts[2], mbox_sts[3], mbox_sts[4],
335 				  mbox_sts[5], mbox_sts[6], mbox_sts[7]));
336 		if (ha->fw_dump_tmplt_size == 0)
337 			status = QLA_ERROR;
338 	} else {
339 		ql4_printk(KERN_WARNING, ha,
340 			   "%s: Error sts[0]=0x%04x, mbx[1]=0x%04x\n",
341 			   __func__, mbox_sts[0], mbox_sts[1]);
342 		status = QLA_ERROR;
343 	}
344 
345 	return status;
346 }
347 
qla4xxx_mailbox_premature_completion(struct scsi_qla_host * ha)348 void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha)
349 {
350 	set_bit(AF_FW_RECOVERY, &ha->flags);
351 	ql4_printk(KERN_INFO, ha, "scsi%ld: %s: set FW RECOVERY!\n",
352 	    ha->host_no, __func__);
353 
354 	if (test_bit(AF_MBOX_COMMAND, &ha->flags)) {
355 		if (test_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags)) {
356 			complete(&ha->mbx_intr_comp);
357 			ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
358 			    "recovery, doing premature completion of "
359 			    "mbx cmd\n", ha->host_no, __func__);
360 
361 		} else {
362 			set_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
363 			ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
364 			    "recovery, doing premature completion of "
365 			    "polling mbx cmd\n", ha->host_no, __func__);
366 		}
367 	}
368 }
369 
370 static uint8_t
qla4xxx_set_ifcb(struct scsi_qla_host * ha,uint32_t * mbox_cmd,uint32_t * mbox_sts,dma_addr_t init_fw_cb_dma)371 qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
372 		 uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
373 {
374 	memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
375 	memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
376 
377 	if (is_qla8022(ha))
378 		qla4_82xx_wr_32(ha, ha->nx_db_wr_ptr, 0);
379 
380 	mbox_cmd[0] = MBOX_CMD_INITIALIZE_FIRMWARE;
381 	mbox_cmd[1] = 0;
382 	mbox_cmd[2] = LSDW(init_fw_cb_dma);
383 	mbox_cmd[3] = MSDW(init_fw_cb_dma);
384 	mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
385 
386 	if (qla4xxx_mailbox_command(ha, 6, 6, mbox_cmd, mbox_sts) !=
387 	    QLA_SUCCESS) {
388 		DEBUG2(printk(KERN_WARNING "scsi%ld: %s: "
389 			      "MBOX_CMD_INITIALIZE_FIRMWARE"
390 			      " failed w/ status %04X\n",
391 			      ha->host_no, __func__, mbox_sts[0]));
392 		return QLA_ERROR;
393 	}
394 	return QLA_SUCCESS;
395 }
396 
397 uint8_t
qla4xxx_get_ifcb(struct scsi_qla_host * ha,uint32_t * mbox_cmd,uint32_t * mbox_sts,dma_addr_t init_fw_cb_dma)398 qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
399 		 uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
400 {
401 	memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
402 	memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
403 	mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK;
404 	mbox_cmd[2] = LSDW(init_fw_cb_dma);
405 	mbox_cmd[3] = MSDW(init_fw_cb_dma);
406 	mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
407 
408 	if (qla4xxx_mailbox_command(ha, 5, 5, mbox_cmd, mbox_sts) !=
409 	    QLA_SUCCESS) {
410 		DEBUG2(printk(KERN_WARNING "scsi%ld: %s: "
411 			      "MBOX_CMD_GET_INIT_FW_CTRL_BLOCK"
412 			      " failed w/ status %04X\n",
413 			      ha->host_no, __func__, mbox_sts[0]));
414 		return QLA_ERROR;
415 	}
416 	return QLA_SUCCESS;
417 }
418 
qla4xxx_set_ipaddr_state(uint8_t fw_ipaddr_state)419 uint8_t qla4xxx_set_ipaddr_state(uint8_t fw_ipaddr_state)
420 {
421 	uint8_t ipaddr_state;
422 
423 	switch (fw_ipaddr_state) {
424 	case IP_ADDRSTATE_UNCONFIGURED:
425 		ipaddr_state = ISCSI_IPDDRESS_STATE_UNCONFIGURED;
426 		break;
427 	case IP_ADDRSTATE_INVALID:
428 		ipaddr_state = ISCSI_IPDDRESS_STATE_INVALID;
429 		break;
430 	case IP_ADDRSTATE_ACQUIRING:
431 		ipaddr_state = ISCSI_IPDDRESS_STATE_ACQUIRING;
432 		break;
433 	case IP_ADDRSTATE_TENTATIVE:
434 		ipaddr_state = ISCSI_IPDDRESS_STATE_TENTATIVE;
435 		break;
436 	case IP_ADDRSTATE_DEPRICATED:
437 		ipaddr_state = ISCSI_IPDDRESS_STATE_DEPRECATED;
438 		break;
439 	case IP_ADDRSTATE_PREFERRED:
440 		ipaddr_state = ISCSI_IPDDRESS_STATE_VALID;
441 		break;
442 	case IP_ADDRSTATE_DISABLING:
443 		ipaddr_state = ISCSI_IPDDRESS_STATE_DISABLING;
444 		break;
445 	default:
446 		ipaddr_state = ISCSI_IPDDRESS_STATE_UNCONFIGURED;
447 	}
448 	return ipaddr_state;
449 }
450 
451 static void
qla4xxx_update_local_ip(struct scsi_qla_host * ha,struct addr_ctrl_blk * init_fw_cb)452 qla4xxx_update_local_ip(struct scsi_qla_host *ha,
453 			struct addr_ctrl_blk *init_fw_cb)
454 {
455 	ha->ip_config.tcp_options = le16_to_cpu(init_fw_cb->ipv4_tcp_opts);
456 	ha->ip_config.ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts);
457 	ha->ip_config.ipv4_addr_state =
458 			qla4xxx_set_ipaddr_state(init_fw_cb->ipv4_addr_state);
459 	ha->ip_config.eth_mtu_size =
460 				le16_to_cpu(init_fw_cb->eth_mtu_size);
461 	ha->ip_config.ipv4_port = le16_to_cpu(init_fw_cb->ipv4_port);
462 
463 	if (ha->acb_version == ACB_SUPPORTED) {
464 		ha->ip_config.ipv6_options = le16_to_cpu(init_fw_cb->ipv6_opts);
465 		ha->ip_config.ipv6_addl_options =
466 				le16_to_cpu(init_fw_cb->ipv6_addtl_opts);
467 		ha->ip_config.ipv6_tcp_options =
468 				le16_to_cpu(init_fw_cb->ipv6_tcp_opts);
469 	}
470 
471 	/* Save IPv4 Address Info */
472 	memcpy(ha->ip_config.ip_address, init_fw_cb->ipv4_addr,
473 	       min(sizeof(ha->ip_config.ip_address),
474 		   sizeof(init_fw_cb->ipv4_addr)));
475 	memcpy(ha->ip_config.subnet_mask, init_fw_cb->ipv4_subnet,
476 	       min(sizeof(ha->ip_config.subnet_mask),
477 		   sizeof(init_fw_cb->ipv4_subnet)));
478 	memcpy(ha->ip_config.gateway, init_fw_cb->ipv4_gw_addr,
479 	       min(sizeof(ha->ip_config.gateway),
480 		   sizeof(init_fw_cb->ipv4_gw_addr)));
481 
482 	ha->ip_config.ipv4_vlan_tag = be16_to_cpu(init_fw_cb->ipv4_vlan_tag);
483 	ha->ip_config.control = init_fw_cb->control;
484 	ha->ip_config.tcp_wsf = init_fw_cb->ipv4_tcp_wsf;
485 	ha->ip_config.ipv4_tos = init_fw_cb->ipv4_tos;
486 	ha->ip_config.ipv4_cache_id = init_fw_cb->ipv4_cacheid;
487 	ha->ip_config.ipv4_alt_cid_len = init_fw_cb->ipv4_dhcp_alt_cid_len;
488 	memcpy(ha->ip_config.ipv4_alt_cid, init_fw_cb->ipv4_dhcp_alt_cid,
489 	       min(sizeof(ha->ip_config.ipv4_alt_cid),
490 		   sizeof(init_fw_cb->ipv4_dhcp_alt_cid)));
491 	ha->ip_config.ipv4_vid_len = init_fw_cb->ipv4_dhcp_vid_len;
492 	memcpy(ha->ip_config.ipv4_vid, init_fw_cb->ipv4_dhcp_vid,
493 	       min(sizeof(ha->ip_config.ipv4_vid),
494 		   sizeof(init_fw_cb->ipv4_dhcp_vid)));
495 	ha->ip_config.ipv4_ttl = init_fw_cb->ipv4_ttl;
496 	ha->ip_config.def_timeout = le16_to_cpu(init_fw_cb->def_timeout);
497 	ha->ip_config.abort_timer = init_fw_cb->abort_timer;
498 	ha->ip_config.iscsi_options = le16_to_cpu(init_fw_cb->iscsi_opts);
499 	ha->ip_config.iscsi_max_pdu_size =
500 				le16_to_cpu(init_fw_cb->iscsi_max_pdu_size);
501 	ha->ip_config.iscsi_first_burst_len =
502 				le16_to_cpu(init_fw_cb->iscsi_fburst_len);
503 	ha->ip_config.iscsi_max_outstnd_r2t =
504 				le16_to_cpu(init_fw_cb->iscsi_max_outstnd_r2t);
505 	ha->ip_config.iscsi_max_burst_len =
506 				le16_to_cpu(init_fw_cb->iscsi_max_burst_len);
507 	memcpy(ha->ip_config.iscsi_name, init_fw_cb->iscsi_name,
508 	       min(sizeof(ha->ip_config.iscsi_name),
509 		   sizeof(init_fw_cb->iscsi_name)));
510 
511 	if (is_ipv6_enabled(ha)) {
512 		/* Save IPv6 Address */
513 		ha->ip_config.ipv6_link_local_state =
514 		  qla4xxx_set_ipaddr_state(init_fw_cb->ipv6_lnk_lcl_addr_state);
515 		ha->ip_config.ipv6_addr0_state =
516 			qla4xxx_set_ipaddr_state(init_fw_cb->ipv6_addr0_state);
517 		ha->ip_config.ipv6_addr1_state =
518 			qla4xxx_set_ipaddr_state(init_fw_cb->ipv6_addr1_state);
519 
520 		switch (le16_to_cpu(init_fw_cb->ipv6_dflt_rtr_state)) {
521 		case IPV6_RTRSTATE_UNKNOWN:
522 			ha->ip_config.ipv6_default_router_state =
523 						ISCSI_ROUTER_STATE_UNKNOWN;
524 			break;
525 		case IPV6_RTRSTATE_MANUAL:
526 			ha->ip_config.ipv6_default_router_state =
527 						ISCSI_ROUTER_STATE_MANUAL;
528 			break;
529 		case IPV6_RTRSTATE_ADVERTISED:
530 			ha->ip_config.ipv6_default_router_state =
531 						ISCSI_ROUTER_STATE_ADVERTISED;
532 			break;
533 		case IPV6_RTRSTATE_STALE:
534 			ha->ip_config.ipv6_default_router_state =
535 						ISCSI_ROUTER_STATE_STALE;
536 			break;
537 		default:
538 			ha->ip_config.ipv6_default_router_state =
539 						ISCSI_ROUTER_STATE_UNKNOWN;
540 		}
541 
542 		ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[0] = 0xFE;
543 		ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[1] = 0x80;
544 
545 		memcpy(&ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[8],
546 		       init_fw_cb->ipv6_if_id,
547 		       min(sizeof(ha->ip_config.ipv6_link_local_addr)/2,
548 			   sizeof(init_fw_cb->ipv6_if_id)));
549 		memcpy(&ha->ip_config.ipv6_addr0, init_fw_cb->ipv6_addr0,
550 		       min(sizeof(ha->ip_config.ipv6_addr0),
551 			   sizeof(init_fw_cb->ipv6_addr0)));
552 		memcpy(&ha->ip_config.ipv6_addr1, init_fw_cb->ipv6_addr1,
553 		       min(sizeof(ha->ip_config.ipv6_addr1),
554 			   sizeof(init_fw_cb->ipv6_addr1)));
555 		memcpy(&ha->ip_config.ipv6_default_router_addr,
556 		       init_fw_cb->ipv6_dflt_rtr_addr,
557 		       min(sizeof(ha->ip_config.ipv6_default_router_addr),
558 			   sizeof(init_fw_cb->ipv6_dflt_rtr_addr)));
559 		ha->ip_config.ipv6_vlan_tag =
560 				be16_to_cpu(init_fw_cb->ipv6_vlan_tag);
561 		ha->ip_config.ipv6_port = le16_to_cpu(init_fw_cb->ipv6_port);
562 		ha->ip_config.ipv6_cache_id = init_fw_cb->ipv6_cache_id;
563 		ha->ip_config.ipv6_flow_lbl =
564 				le16_to_cpu(init_fw_cb->ipv6_flow_lbl);
565 		ha->ip_config.ipv6_traffic_class =
566 				init_fw_cb->ipv6_traffic_class;
567 		ha->ip_config.ipv6_hop_limit = init_fw_cb->ipv6_hop_limit;
568 		ha->ip_config.ipv6_nd_reach_time =
569 				le32_to_cpu(init_fw_cb->ipv6_nd_reach_time);
570 		ha->ip_config.ipv6_nd_rexmit_timer =
571 				le32_to_cpu(init_fw_cb->ipv6_nd_rexmit_timer);
572 		ha->ip_config.ipv6_nd_stale_timeout =
573 				le32_to_cpu(init_fw_cb->ipv6_nd_stale_timeout);
574 		ha->ip_config.ipv6_dup_addr_detect_count =
575 					init_fw_cb->ipv6_dup_addr_detect_count;
576 		ha->ip_config.ipv6_gw_advrt_mtu =
577 				le32_to_cpu(init_fw_cb->ipv6_gw_advrt_mtu);
578 		ha->ip_config.ipv6_tcp_wsf = init_fw_cb->ipv6_tcp_wsf;
579 	}
580 }
581 
582 uint8_t
qla4xxx_update_local_ifcb(struct scsi_qla_host * ha,uint32_t * mbox_cmd,uint32_t * mbox_sts,struct addr_ctrl_blk * init_fw_cb,dma_addr_t init_fw_cb_dma)583 qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
584 			  uint32_t *mbox_cmd,
585 			  uint32_t *mbox_sts,
586 			  struct addr_ctrl_blk  *init_fw_cb,
587 			  dma_addr_t init_fw_cb_dma)
588 {
589 	if (qla4xxx_get_ifcb(ha, mbox_cmd, mbox_sts, init_fw_cb_dma)
590 	    != QLA_SUCCESS) {
591 		DEBUG2(printk(KERN_WARNING
592 			      "scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
593 			      ha->host_no, __func__));
594 		return QLA_ERROR;
595 	}
596 
597 	DEBUG2(qla4xxx_dump_buffer(init_fw_cb, sizeof(struct addr_ctrl_blk)));
598 
599 	/* Save some info in adapter structure. */
600 	ha->acb_version = init_fw_cb->acb_version;
601 	ha->firmware_options = le16_to_cpu(init_fw_cb->fw_options);
602 	ha->heartbeat_interval = init_fw_cb->hb_interval;
603 	memcpy(ha->name_string, init_fw_cb->iscsi_name,
604 		min(sizeof(ha->name_string),
605 		sizeof(init_fw_cb->iscsi_name)));
606 	ha->def_timeout = le16_to_cpu(init_fw_cb->def_timeout);
607 	/*memcpy(ha->alias, init_fw_cb->Alias,
608 	       min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
609 
610 	qla4xxx_update_local_ip(ha, init_fw_cb);
611 
612 	return QLA_SUCCESS;
613 }
614 
615 /**
616  * qla4xxx_initialize_fw_cb - initializes firmware control block.
617  * @ha: Pointer to host adapter structure.
618  **/
qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)619 int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)
620 {
621 	struct addr_ctrl_blk *init_fw_cb;
622 	dma_addr_t init_fw_cb_dma;
623 	uint32_t mbox_cmd[MBOX_REG_COUNT];
624 	uint32_t mbox_sts[MBOX_REG_COUNT];
625 	int status = QLA_ERROR;
626 
627 	init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
628 					sizeof(struct addr_ctrl_blk),
629 					&init_fw_cb_dma, GFP_KERNEL);
630 	if (init_fw_cb == NULL) {
631 		DEBUG2(printk("scsi%ld: %s: Unable to alloc init_cb\n",
632 			      ha->host_no, __func__));
633 		goto exit_init_fw_cb_no_free;
634 	}
635 
636 	/* Get Initialize Firmware Control Block. */
637 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
638 	memset(&mbox_sts, 0, sizeof(mbox_sts));
639 
640 	if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
641 	    QLA_SUCCESS) {
642 		goto exit_init_fw_cb;
643 	}
644 
645 	/* Fill in the request and response queue information. */
646 	init_fw_cb->rqq_consumer_idx = cpu_to_le16(ha->request_out);
647 	init_fw_cb->compq_producer_idx = cpu_to_le16(ha->response_in);
648 	init_fw_cb->rqq_len = cpu_to_le16(REQUEST_QUEUE_DEPTH);
649 	init_fw_cb->compq_len = cpu_to_le16(RESPONSE_QUEUE_DEPTH);
650 	init_fw_cb->rqq_addr_lo = cpu_to_le32(LSDW(ha->request_dma));
651 	init_fw_cb->rqq_addr_hi = cpu_to_le32(MSDW(ha->request_dma));
652 	init_fw_cb->compq_addr_lo = cpu_to_le32(LSDW(ha->response_dma));
653 	init_fw_cb->compq_addr_hi = cpu_to_le32(MSDW(ha->response_dma));
654 	init_fw_cb->shdwreg_addr_lo = cpu_to_le32(LSDW(ha->shadow_regs_dma));
655 	init_fw_cb->shdwreg_addr_hi = cpu_to_le32(MSDW(ha->shadow_regs_dma));
656 
657 	/* Set up required options. */
658 	init_fw_cb->fw_options |=
659 		cpu_to_le16(FWOPT_SESSION_MODE |
660 			    FWOPT_INITIATOR_MODE);
661 
662 	if (is_qla80XX(ha))
663 		init_fw_cb->fw_options |=
664 		    cpu_to_le16(FWOPT_ENABLE_CRBDB);
665 
666 	init_fw_cb->fw_options &= cpu_to_le16(~FWOPT_TARGET_MODE);
667 
668 	init_fw_cb->add_fw_options = 0;
669 	init_fw_cb->add_fw_options |=
670 			cpu_to_le16(ADFWOPT_SERIALIZE_TASK_MGMT);
671 	init_fw_cb->add_fw_options |=
672 			cpu_to_le16(ADFWOPT_AUTOCONN_DISABLE);
673 
674 	if (qla4xxx_set_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)
675 		!= QLA_SUCCESS) {
676 		DEBUG2(printk(KERN_WARNING
677 			      "scsi%ld: %s: Failed to set init_fw_ctrl_blk\n",
678 			      ha->host_no, __func__));
679 		goto exit_init_fw_cb;
680 	}
681 
682 	if (qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0],
683 		init_fw_cb, init_fw_cb_dma) != QLA_SUCCESS) {
684 		DEBUG2(printk("scsi%ld: %s: Failed to update local ifcb\n",
685 				ha->host_no, __func__));
686 		goto exit_init_fw_cb;
687 	}
688 	status = QLA_SUCCESS;
689 
690 exit_init_fw_cb:
691 	dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
692 				init_fw_cb, init_fw_cb_dma);
693 exit_init_fw_cb_no_free:
694 	return status;
695 }
696 
697 /**
698  * qla4xxx_get_dhcp_ip_address - gets HBA ip address via DHCP
699  * @ha: Pointer to host adapter structure.
700  **/
qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha)701 int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha)
702 {
703 	struct addr_ctrl_blk *init_fw_cb;
704 	dma_addr_t init_fw_cb_dma;
705 	uint32_t mbox_cmd[MBOX_REG_COUNT];
706 	uint32_t mbox_sts[MBOX_REG_COUNT];
707 
708 	init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
709 					sizeof(struct addr_ctrl_blk),
710 					&init_fw_cb_dma, GFP_KERNEL);
711 	if (init_fw_cb == NULL) {
712 		printk("scsi%ld: %s: Unable to alloc init_cb\n", ha->host_no,
713 		       __func__);
714 		return QLA_ERROR;
715 	}
716 
717 	/* Get Initialize Firmware Control Block. */
718 	if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
719 	    QLA_SUCCESS) {
720 		DEBUG2(printk("scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
721 			      ha->host_no, __func__));
722 		dma_free_coherent(&ha->pdev->dev,
723 				  sizeof(struct addr_ctrl_blk),
724 				  init_fw_cb, init_fw_cb_dma);
725 		return QLA_ERROR;
726 	}
727 
728 	/* Save IP Address. */
729 	qla4xxx_update_local_ip(ha, init_fw_cb);
730 	dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
731 				init_fw_cb, init_fw_cb_dma);
732 
733 	return QLA_SUCCESS;
734 }
735 
736 /**
737  * qla4xxx_get_firmware_state - gets firmware state of HBA
738  * @ha: Pointer to host adapter structure.
739  **/
qla4xxx_get_firmware_state(struct scsi_qla_host * ha)740 int qla4xxx_get_firmware_state(struct scsi_qla_host * ha)
741 {
742 	uint32_t mbox_cmd[MBOX_REG_COUNT];
743 	uint32_t mbox_sts[MBOX_REG_COUNT];
744 
745 	/* Get firmware version */
746 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
747 	memset(&mbox_sts, 0, sizeof(mbox_sts));
748 
749 	mbox_cmd[0] = MBOX_CMD_GET_FW_STATE;
750 
751 	if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 4, &mbox_cmd[0], &mbox_sts[0]) !=
752 	    QLA_SUCCESS) {
753 		DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATE failed w/ "
754 			      "status %04X\n", ha->host_no, __func__,
755 			      mbox_sts[0]));
756 		return QLA_ERROR;
757 	}
758 	ha->firmware_state = mbox_sts[1];
759 	ha->board_id = mbox_sts[2];
760 	ha->addl_fw_state = mbox_sts[3];
761 	DEBUG2(printk("scsi%ld: %s firmware_state=0x%x\n",
762 		      ha->host_no, __func__, ha->firmware_state);)
763 
764 	return QLA_SUCCESS;
765 }
766 
767 /**
768  * qla4xxx_get_firmware_status - retrieves firmware status
769  * @ha: Pointer to host adapter structure.
770  **/
qla4xxx_get_firmware_status(struct scsi_qla_host * ha)771 int qla4xxx_get_firmware_status(struct scsi_qla_host * ha)
772 {
773 	uint32_t mbox_cmd[MBOX_REG_COUNT];
774 	uint32_t mbox_sts[MBOX_REG_COUNT];
775 
776 	/* Get firmware version */
777 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
778 	memset(&mbox_sts, 0, sizeof(mbox_sts));
779 
780 	mbox_cmd[0] = MBOX_CMD_GET_FW_STATUS;
781 
782 	if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0], &mbox_sts[0]) !=
783 	    QLA_SUCCESS) {
784 		DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATUS failed w/ "
785 			      "status %04X\n", ha->host_no, __func__,
786 			      mbox_sts[0]));
787 		return QLA_ERROR;
788 	}
789 
790 	/* High-water mark of IOCBs */
791 	ha->iocb_hiwat = mbox_sts[2];
792 	DEBUG2(ql4_printk(KERN_INFO, ha,
793 			  "%s: firmware IOCBs available = %d\n", __func__,
794 			  ha->iocb_hiwat));
795 
796 	if (ha->iocb_hiwat > IOCB_HIWAT_CUSHION)
797 		ha->iocb_hiwat -= IOCB_HIWAT_CUSHION;
798 
799 	/* Ideally, we should not enter this code, as the # of firmware
800 	 * IOCBs is hard-coded in the firmware. We set a default
801 	 * iocb_hiwat here just in case */
802 	if (ha->iocb_hiwat == 0) {
803 		ha->iocb_hiwat = REQUEST_QUEUE_DEPTH / 4;
804 		DEBUG2(ql4_printk(KERN_WARNING, ha,
805 				  "%s: Setting IOCB's to = %d\n", __func__,
806 				  ha->iocb_hiwat));
807 	}
808 
809 	return QLA_SUCCESS;
810 }
811 
812 /*
813  * qla4xxx_get_fwddb_entry - retrieves firmware ddb entry
814  * @ha: Pointer to host adapter structure.
815  * @fw_ddb_index: Firmware's device database index
816  * @fw_ddb_entry: Pointer to firmware's device database entry structure
817  * @num_valid_ddb_entries: Pointer to number of valid ddb entries
818  * @next_ddb_index: Pointer to next valid device database index
819  * @fw_ddb_device_state: Pointer to device state
820  **/
qla4xxx_get_fwddb_entry(struct scsi_qla_host * ha,uint16_t fw_ddb_index,struct dev_db_entry * fw_ddb_entry,dma_addr_t fw_ddb_entry_dma,uint32_t * num_valid_ddb_entries,uint32_t * next_ddb_index,uint32_t * fw_ddb_device_state,uint32_t * conn_err_detail,uint16_t * tcp_source_port_num,uint16_t * connection_id)821 int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha,
822 			    uint16_t fw_ddb_index,
823 			    struct dev_db_entry *fw_ddb_entry,
824 			    dma_addr_t fw_ddb_entry_dma,
825 			    uint32_t *num_valid_ddb_entries,
826 			    uint32_t *next_ddb_index,
827 			    uint32_t *fw_ddb_device_state,
828 			    uint32_t *conn_err_detail,
829 			    uint16_t *tcp_source_port_num,
830 			    uint16_t *connection_id)
831 {
832 	int status = QLA_ERROR;
833 	uint16_t options;
834 	uint32_t mbox_cmd[MBOX_REG_COUNT];
835 	uint32_t mbox_sts[MBOX_REG_COUNT];
836 
837 	/* Make sure the device index is valid */
838 	if (fw_ddb_index >= MAX_DDB_ENTRIES) {
839 		DEBUG2(printk("scsi%ld: %s: ddb [%d] out of range.\n",
840 			      ha->host_no, __func__, fw_ddb_index));
841 		goto exit_get_fwddb;
842 	}
843 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
844 	memset(&mbox_sts, 0, sizeof(mbox_sts));
845 	if (fw_ddb_entry)
846 		memset(fw_ddb_entry, 0, sizeof(struct dev_db_entry));
847 
848 	mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY;
849 	mbox_cmd[1] = (uint32_t) fw_ddb_index;
850 	mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
851 	mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
852 	mbox_cmd[4] = sizeof(struct dev_db_entry);
853 
854 	if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 7, &mbox_cmd[0], &mbox_sts[0]) ==
855 	    QLA_ERROR) {
856 		DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_DATABASE_ENTRY failed"
857 			      " with status 0x%04X\n", ha->host_no, __func__,
858 			      mbox_sts[0]));
859 		goto exit_get_fwddb;
860 	}
861 	if (fw_ddb_index != mbox_sts[1]) {
862 		DEBUG2(printk("scsi%ld: %s: ddb mismatch [%d] != [%d].\n",
863 			      ha->host_no, __func__, fw_ddb_index,
864 			      mbox_sts[1]));
865 		goto exit_get_fwddb;
866 	}
867 	if (fw_ddb_entry) {
868 		options = le16_to_cpu(fw_ddb_entry->options);
869 		if (options & DDB_OPT_IPV6_DEVICE) {
870 			ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d "
871 				"Next %d State %04x ConnErr %08x %pI6 "
872 				":%04d \"%s\"\n", __func__, fw_ddb_index,
873 				mbox_sts[0], mbox_sts[2], mbox_sts[3],
874 				mbox_sts[4], mbox_sts[5],
875 				fw_ddb_entry->ip_addr,
876 				le16_to_cpu(fw_ddb_entry->port),
877 				fw_ddb_entry->iscsi_name);
878 		} else {
879 			ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d "
880 				"Next %d State %04x ConnErr %08x %pI4 "
881 				":%04d \"%s\"\n", __func__, fw_ddb_index,
882 				mbox_sts[0], mbox_sts[2], mbox_sts[3],
883 				mbox_sts[4], mbox_sts[5],
884 				fw_ddb_entry->ip_addr,
885 				le16_to_cpu(fw_ddb_entry->port),
886 				fw_ddb_entry->iscsi_name);
887 		}
888 	}
889 	if (num_valid_ddb_entries)
890 		*num_valid_ddb_entries = mbox_sts[2];
891 	if (next_ddb_index)
892 		*next_ddb_index = mbox_sts[3];
893 	if (fw_ddb_device_state)
894 		*fw_ddb_device_state = mbox_sts[4];
895 
896 	/*
897 	 * RA: This mailbox has been changed to pass connection error and
898 	 * details.  Its true for ISP4010 as per Version E - Not sure when it
899 	 * was changed.	 Get the time2wait from the fw_dd_entry field :
900 	 * default_time2wait which we call it as minTime2Wait DEV_DB_ENTRY
901 	 * struct.
902 	 */
903 	if (conn_err_detail)
904 		*conn_err_detail = mbox_sts[5];
905 	if (tcp_source_port_num)
906 		*tcp_source_port_num = (uint16_t) (mbox_sts[6] >> 16);
907 	if (connection_id)
908 		*connection_id = (uint16_t) mbox_sts[6] & 0x00FF;
909 	status = QLA_SUCCESS;
910 
911 exit_get_fwddb:
912 	return status;
913 }
914 
qla4xxx_conn_open(struct scsi_qla_host * ha,uint16_t fw_ddb_index)915 int qla4xxx_conn_open(struct scsi_qla_host *ha, uint16_t fw_ddb_index)
916 {
917 	uint32_t mbox_cmd[MBOX_REG_COUNT];
918 	uint32_t mbox_sts[MBOX_REG_COUNT];
919 	int status;
920 
921 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
922 	memset(&mbox_sts, 0, sizeof(mbox_sts));
923 
924 	mbox_cmd[0] = MBOX_CMD_CONN_OPEN;
925 	mbox_cmd[1] = fw_ddb_index;
926 
927 	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
928 					 &mbox_sts[0]);
929 	DEBUG2(ql4_printk(KERN_INFO, ha,
930 			  "%s: status = %d mbx0 = 0x%x mbx1 = 0x%x\n",
931 			  __func__, status, mbox_sts[0], mbox_sts[1]));
932 	return status;
933 }
934 
935 /**
936  * qla4xxx_set_ddb_entry - sets a ddb entry.
937  * @ha: Pointer to host adapter structure.
938  * @fw_ddb_index: Firmware's device database index
939  * @fw_ddb_entry_dma: dma address of ddb entry
940  * @mbx_sts: mailbox 0 to be returned or NULL
941  *
942  * This routine initializes or updates the adapter's device database
943  * entry for the specified device.
944  **/
qla4xxx_set_ddb_entry(struct scsi_qla_host * ha,uint16_t fw_ddb_index,dma_addr_t fw_ddb_entry_dma,uint32_t * mbx_sts)945 int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
946 			  dma_addr_t fw_ddb_entry_dma, uint32_t *mbx_sts)
947 {
948 	uint32_t mbox_cmd[MBOX_REG_COUNT];
949 	uint32_t mbox_sts[MBOX_REG_COUNT];
950 	int status;
951 
952 	/* Do not wait for completion. The firmware will send us an
953 	 * ASTS_DATABASE_CHANGED (0x8014) to notify us of the login status.
954 	 */
955 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
956 	memset(&mbox_sts, 0, sizeof(mbox_sts));
957 
958 	mbox_cmd[0] = MBOX_CMD_SET_DATABASE_ENTRY;
959 	mbox_cmd[1] = (uint32_t) fw_ddb_index;
960 	mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
961 	mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
962 	mbox_cmd[4] = sizeof(struct dev_db_entry);
963 
964 	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
965 					 &mbox_sts[0]);
966 	if (mbx_sts)
967 		*mbx_sts = mbox_sts[0];
968 	DEBUG2(printk("scsi%ld: %s: status=%d mbx0=0x%x mbx4=0x%x\n",
969 	    ha->host_no, __func__, status, mbox_sts[0], mbox_sts[4]);)
970 
971 	return status;
972 }
973 
qla4xxx_session_logout_ddb(struct scsi_qla_host * ha,struct ddb_entry * ddb_entry,int options)974 int qla4xxx_session_logout_ddb(struct scsi_qla_host *ha,
975 			       struct ddb_entry *ddb_entry, int options)
976 {
977 	int status;
978 	uint32_t mbox_cmd[MBOX_REG_COUNT];
979 	uint32_t mbox_sts[MBOX_REG_COUNT];
980 
981 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
982 	memset(&mbox_sts, 0, sizeof(mbox_sts));
983 
984 	mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
985 	mbox_cmd[1] = ddb_entry->fw_ddb_index;
986 	mbox_cmd[3] = options;
987 
988 	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
989 					 &mbox_sts[0]);
990 	if (status != QLA_SUCCESS) {
991 		DEBUG2(ql4_printk(KERN_INFO, ha,
992 				  "%s: MBOX_CMD_CONN_CLOSE_SESS_LOGOUT "
993 				  "failed sts %04X %04X", __func__,
994 				  mbox_sts[0], mbox_sts[1]));
995 		if ((mbox_sts[0] == MBOX_STS_COMMAND_ERROR) &&
996 		    (mbox_sts[1] == DDB_NOT_LOGGED_IN)) {
997 			set_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags);
998 		}
999 	}
1000 
1001 	return status;
1002 }
1003 
1004 /**
1005  * qla4xxx_get_crash_record - retrieves crash record.
1006  * @ha: Pointer to host adapter structure.
1007  *
1008  * This routine retrieves a crash record from the QLA4010 after an 8002h aen.
1009  **/
qla4xxx_get_crash_record(struct scsi_qla_host * ha)1010 void qla4xxx_get_crash_record(struct scsi_qla_host * ha)
1011 {
1012 	uint32_t mbox_cmd[MBOX_REG_COUNT];
1013 	uint32_t mbox_sts[MBOX_REG_COUNT];
1014 	struct crash_record *crash_record = NULL;
1015 	dma_addr_t crash_record_dma = 0;
1016 	uint32_t crash_record_size = 0;
1017 
1018 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1019 	memset(&mbox_sts, 0, sizeof(mbox_cmd));
1020 
1021 	/* Get size of crash record. */
1022 	mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
1023 
1024 	if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
1025 	    QLA_SUCCESS) {
1026 		DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve size!\n",
1027 			      ha->host_no, __func__));
1028 		goto exit_get_crash_record;
1029 	}
1030 	crash_record_size = mbox_sts[4];
1031 	if (crash_record_size == 0) {
1032 		DEBUG2(printk("scsi%ld: %s: ERROR: Crash record size is 0!\n",
1033 			      ha->host_no, __func__));
1034 		goto exit_get_crash_record;
1035 	}
1036 
1037 	/* Alloc Memory for Crash Record. */
1038 	crash_record = dma_alloc_coherent(&ha->pdev->dev, crash_record_size,
1039 					  &crash_record_dma, GFP_KERNEL);
1040 	if (crash_record == NULL)
1041 		goto exit_get_crash_record;
1042 
1043 	/* Get Crash Record. */
1044 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1045 	memset(&mbox_sts, 0, sizeof(mbox_cmd));
1046 
1047 	mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
1048 	mbox_cmd[2] = LSDW(crash_record_dma);
1049 	mbox_cmd[3] = MSDW(crash_record_dma);
1050 	mbox_cmd[4] = crash_record_size;
1051 
1052 	if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
1053 	    QLA_SUCCESS)
1054 		goto exit_get_crash_record;
1055 
1056 	/* Dump Crash Record. */
1057 
1058 exit_get_crash_record:
1059 	if (crash_record)
1060 		dma_free_coherent(&ha->pdev->dev, crash_record_size,
1061 				  crash_record, crash_record_dma);
1062 }
1063 
1064 /**
1065  * qla4xxx_get_conn_event_log - retrieves connection event log
1066  * @ha: Pointer to host adapter structure.
1067  **/
qla4xxx_get_conn_event_log(struct scsi_qla_host * ha)1068 void qla4xxx_get_conn_event_log(struct scsi_qla_host * ha)
1069 {
1070 	uint32_t mbox_cmd[MBOX_REG_COUNT];
1071 	uint32_t mbox_sts[MBOX_REG_COUNT];
1072 	struct conn_event_log_entry *event_log = NULL;
1073 	dma_addr_t event_log_dma = 0;
1074 	uint32_t event_log_size = 0;
1075 	uint32_t num_valid_entries;
1076 	uint32_t      oldest_entry = 0;
1077 	uint32_t	max_event_log_entries;
1078 	uint8_t		i;
1079 
1080 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1081 	memset(&mbox_sts, 0, sizeof(mbox_cmd));
1082 
1083 	/* Get size of crash record. */
1084 	mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
1085 
1086 	if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
1087 	    QLA_SUCCESS)
1088 		goto exit_get_event_log;
1089 
1090 	event_log_size = mbox_sts[4];
1091 	if (event_log_size == 0)
1092 		goto exit_get_event_log;
1093 
1094 	/* Alloc Memory for Crash Record. */
1095 	event_log = dma_alloc_coherent(&ha->pdev->dev, event_log_size,
1096 				       &event_log_dma, GFP_KERNEL);
1097 	if (event_log == NULL)
1098 		goto exit_get_event_log;
1099 
1100 	/* Get Crash Record. */
1101 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1102 	memset(&mbox_sts, 0, sizeof(mbox_cmd));
1103 
1104 	mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
1105 	mbox_cmd[2] = LSDW(event_log_dma);
1106 	mbox_cmd[3] = MSDW(event_log_dma);
1107 
1108 	if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
1109 	    QLA_SUCCESS) {
1110 		DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve event "
1111 			      "log!\n", ha->host_no, __func__));
1112 		goto exit_get_event_log;
1113 	}
1114 
1115 	/* Dump Event Log. */
1116 	num_valid_entries = mbox_sts[1];
1117 
1118 	max_event_log_entries = event_log_size /
1119 		sizeof(struct conn_event_log_entry);
1120 
1121 	if (num_valid_entries > max_event_log_entries)
1122 		oldest_entry = num_valid_entries % max_event_log_entries;
1123 
1124 	DEBUG3(printk("scsi%ld: Connection Event Log Dump (%d entries):\n",
1125 		      ha->host_no, num_valid_entries));
1126 
1127 	if (ql4xextended_error_logging == 3) {
1128 		if (oldest_entry == 0) {
1129 			/* Circular Buffer has not wrapped around */
1130 			for (i=0; i < num_valid_entries; i++) {
1131 				qla4xxx_dump_buffer((uint8_t *)event_log+
1132 						    (i*sizeof(*event_log)),
1133 						    sizeof(*event_log));
1134 			}
1135 		}
1136 		else {
1137 			/* Circular Buffer has wrapped around -
1138 			 * display accordingly*/
1139 			for (i=oldest_entry; i < max_event_log_entries; i++) {
1140 				qla4xxx_dump_buffer((uint8_t *)event_log+
1141 						    (i*sizeof(*event_log)),
1142 						    sizeof(*event_log));
1143 			}
1144 			for (i=0; i < oldest_entry; i++) {
1145 				qla4xxx_dump_buffer((uint8_t *)event_log+
1146 						    (i*sizeof(*event_log)),
1147 						    sizeof(*event_log));
1148 			}
1149 		}
1150 	}
1151 
1152 exit_get_event_log:
1153 	if (event_log)
1154 		dma_free_coherent(&ha->pdev->dev, event_log_size, event_log,
1155 				  event_log_dma);
1156 }
1157 
1158 /**
1159  * qla4xxx_abort_task - issues Abort Task
1160  * @ha: Pointer to host adapter structure.
1161  * @srb: Pointer to srb entry
1162  *
1163  * This routine performs a LUN RESET on the specified target/lun.
1164  * The caller must ensure that the ddb_entry and lun_entry pointers
1165  * are valid before calling this routine.
1166  **/
qla4xxx_abort_task(struct scsi_qla_host * ha,struct srb * srb)1167 int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb)
1168 {
1169 	uint32_t mbox_cmd[MBOX_REG_COUNT];
1170 	uint32_t mbox_sts[MBOX_REG_COUNT];
1171 	struct scsi_cmnd *cmd = srb->cmd;
1172 	int status = QLA_SUCCESS;
1173 	unsigned long flags = 0;
1174 	uint32_t index;
1175 
1176 	/*
1177 	 * Send abort task command to ISP, so that the ISP will return
1178 	 * request with ABORT status
1179 	 */
1180 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1181 	memset(&mbox_sts, 0, sizeof(mbox_sts));
1182 
1183 	spin_lock_irqsave(&ha->hardware_lock, flags);
1184 	index = (unsigned long)(unsigned char *)cmd->host_scribble;
1185 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1186 
1187 	/* Firmware already posted completion on response queue */
1188 	if (index == MAX_SRBS)
1189 		return status;
1190 
1191 	mbox_cmd[0] = MBOX_CMD_ABORT_TASK;
1192 	mbox_cmd[1] = srb->ddb->fw_ddb_index;
1193 	mbox_cmd[2] = index;
1194 	/* Immediate Command Enable */
1195 	mbox_cmd[5] = 0x01;
1196 
1197 	qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
1198 	    &mbox_sts[0]);
1199 	if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE) {
1200 		status = QLA_ERROR;
1201 
1202 		DEBUG2(printk(KERN_WARNING "scsi%ld:%d:%llu: abort task FAILED: "
1203 		    "mbx0=%04X, mb1=%04X, mb2=%04X, mb3=%04X, mb4=%04X\n",
1204 		    ha->host_no, cmd->device->id, cmd->device->lun, mbox_sts[0],
1205 		    mbox_sts[1], mbox_sts[2], mbox_sts[3], mbox_sts[4]));
1206 	}
1207 
1208 	return status;
1209 }
1210 
1211 /**
1212  * qla4xxx_reset_lun - issues LUN Reset
1213  * @ha: Pointer to host adapter structure.
1214  * @ddb_entry: Pointer to device database entry
1215  * @lun: lun number
1216  *
1217  * This routine performs a LUN RESET on the specified target/lun.
1218  * The caller must ensure that the ddb_entry and lun_entry pointers
1219  * are valid before calling this routine.
1220  **/
qla4xxx_reset_lun(struct scsi_qla_host * ha,struct ddb_entry * ddb_entry,uint64_t lun)1221 int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry,
1222 		      uint64_t lun)
1223 {
1224 	uint32_t mbox_cmd[MBOX_REG_COUNT];
1225 	uint32_t mbox_sts[MBOX_REG_COUNT];
1226 	uint32_t scsi_lun[2];
1227 	int status = QLA_SUCCESS;
1228 
1229 	DEBUG2(printk("scsi%ld:%d:%llu: lun reset issued\n", ha->host_no,
1230 		      ddb_entry->fw_ddb_index, lun));
1231 
1232 	/*
1233 	 * Send lun reset command to ISP, so that the ISP will return all
1234 	 * outstanding requests with RESET status
1235 	 */
1236 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1237 	memset(&mbox_sts, 0, sizeof(mbox_sts));
1238 	int_to_scsilun(lun, (struct scsi_lun *) scsi_lun);
1239 
1240 	mbox_cmd[0] = MBOX_CMD_LUN_RESET;
1241 	mbox_cmd[1] = ddb_entry->fw_ddb_index;
1242 	/* FW expects LUN bytes 0-3 in Incoming Mailbox 2
1243 	 * (LUN byte 0 is LSByte, byte 3 is MSByte) */
1244 	mbox_cmd[2] = cpu_to_le32(scsi_lun[0]);
1245 	/* FW expects LUN bytes 4-7 in Incoming Mailbox 3
1246 	 * (LUN byte 4 is LSByte, byte 7 is MSByte) */
1247 	mbox_cmd[3] = cpu_to_le32(scsi_lun[1]);
1248 	mbox_cmd[5] = 0x01;	/* Immediate Command Enable */
1249 
1250 	qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]);
1251 	if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE &&
1252 	    mbox_sts[0] != MBOX_STS_COMMAND_ERROR)
1253 		status = QLA_ERROR;
1254 
1255 	return status;
1256 }
1257 
1258 /**
1259  * qla4xxx_reset_target - issues target Reset
1260  * @ha: Pointer to host adapter structure.
1261  * @ddb_entry: Pointer to device database entry
1262  *
1263  * This routine performs a TARGET RESET on the specified target.
1264  * The caller must ensure that the ddb_entry pointers
1265  * are valid before calling this routine.
1266  **/
qla4xxx_reset_target(struct scsi_qla_host * ha,struct ddb_entry * ddb_entry)1267 int qla4xxx_reset_target(struct scsi_qla_host *ha,
1268 			 struct ddb_entry *ddb_entry)
1269 {
1270 	uint32_t mbox_cmd[MBOX_REG_COUNT];
1271 	uint32_t mbox_sts[MBOX_REG_COUNT];
1272 	int status = QLA_SUCCESS;
1273 
1274 	DEBUG2(printk("scsi%ld:%d: target reset issued\n", ha->host_no,
1275 		      ddb_entry->fw_ddb_index));
1276 
1277 	/*
1278 	 * Send target reset command to ISP, so that the ISP will return all
1279 	 * outstanding requests with RESET status
1280 	 */
1281 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1282 	memset(&mbox_sts, 0, sizeof(mbox_sts));
1283 
1284 	mbox_cmd[0] = MBOX_CMD_TARGET_WARM_RESET;
1285 	mbox_cmd[1] = ddb_entry->fw_ddb_index;
1286 	mbox_cmd[5] = 0x01;	/* Immediate Command Enable */
1287 
1288 	qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1289 				&mbox_sts[0]);
1290 	if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE &&
1291 	    mbox_sts[0] != MBOX_STS_COMMAND_ERROR)
1292 		status = QLA_ERROR;
1293 
1294 	return status;
1295 }
1296 
qla4xxx_get_flash(struct scsi_qla_host * ha,dma_addr_t dma_addr,uint32_t offset,uint32_t len)1297 int qla4xxx_get_flash(struct scsi_qla_host * ha, dma_addr_t dma_addr,
1298 		      uint32_t offset, uint32_t len)
1299 {
1300 	uint32_t mbox_cmd[MBOX_REG_COUNT];
1301 	uint32_t mbox_sts[MBOX_REG_COUNT];
1302 
1303 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1304 	memset(&mbox_sts, 0, sizeof(mbox_sts));
1305 
1306 	mbox_cmd[0] = MBOX_CMD_READ_FLASH;
1307 	mbox_cmd[1] = LSDW(dma_addr);
1308 	mbox_cmd[2] = MSDW(dma_addr);
1309 	mbox_cmd[3] = offset;
1310 	mbox_cmd[4] = len;
1311 
1312 	if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0], &mbox_sts[0]) !=
1313 	    QLA_SUCCESS) {
1314 		DEBUG2(printk("scsi%ld: %s: MBOX_CMD_READ_FLASH, failed w/ "
1315 		    "status %04X %04X, offset %08x, len %08x\n", ha->host_no,
1316 		    __func__, mbox_sts[0], mbox_sts[1], offset, len));
1317 		return QLA_ERROR;
1318 	}
1319 	return QLA_SUCCESS;
1320 }
1321 
1322 /**
1323  * qla4xxx_about_firmware - gets FW, iscsi draft and boot loader version
1324  * @ha: Pointer to host adapter structure.
1325  *
1326  * Retrieves the FW version, iSCSI draft version & bootloader version of HBA.
1327  * Mailboxes 2 & 3 may hold an address for data. Make sure that we write 0 to
1328  * those mailboxes, if unused.
1329  **/
qla4xxx_about_firmware(struct scsi_qla_host * ha)1330 int qla4xxx_about_firmware(struct scsi_qla_host *ha)
1331 {
1332 	struct about_fw_info *about_fw = NULL;
1333 	dma_addr_t about_fw_dma;
1334 	uint32_t mbox_cmd[MBOX_REG_COUNT];
1335 	uint32_t mbox_sts[MBOX_REG_COUNT];
1336 	int status = QLA_ERROR;
1337 
1338 	about_fw = dma_alloc_coherent(&ha->pdev->dev,
1339 				      sizeof(struct about_fw_info),
1340 				      &about_fw_dma, GFP_KERNEL);
1341 	if (!about_fw) {
1342 		DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Unable to alloc memory "
1343 				  "for about_fw\n", __func__));
1344 		return status;
1345 	}
1346 
1347 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1348 	memset(&mbox_sts, 0, sizeof(mbox_sts));
1349 
1350 	mbox_cmd[0] = MBOX_CMD_ABOUT_FW;
1351 	mbox_cmd[2] = LSDW(about_fw_dma);
1352 	mbox_cmd[3] = MSDW(about_fw_dma);
1353 	mbox_cmd[4] = sizeof(struct about_fw_info);
1354 
1355 	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
1356 					 &mbox_cmd[0], &mbox_sts[0]);
1357 	if (status != QLA_SUCCESS) {
1358 		DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_ABOUT_FW "
1359 				  "failed w/ status %04X\n", __func__,
1360 				  mbox_sts[0]));
1361 		goto exit_about_fw;
1362 	}
1363 
1364 	/* Save version information. */
1365 	ha->fw_info.fw_major = le16_to_cpu(about_fw->fw_major);
1366 	ha->fw_info.fw_minor = le16_to_cpu(about_fw->fw_minor);
1367 	ha->fw_info.fw_patch = le16_to_cpu(about_fw->fw_patch);
1368 	ha->fw_info.fw_build = le16_to_cpu(about_fw->fw_build);
1369 	memcpy(ha->fw_info.fw_build_date, about_fw->fw_build_date,
1370 	       sizeof(about_fw->fw_build_date));
1371 	memcpy(ha->fw_info.fw_build_time, about_fw->fw_build_time,
1372 	       sizeof(about_fw->fw_build_time));
1373 	strcpy((char *)ha->fw_info.fw_build_user,
1374 	       skip_spaces((char *)about_fw->fw_build_user));
1375 	ha->fw_info.fw_load_source = le16_to_cpu(about_fw->fw_load_source);
1376 	ha->fw_info.iscsi_major = le16_to_cpu(about_fw->iscsi_major);
1377 	ha->fw_info.iscsi_minor = le16_to_cpu(about_fw->iscsi_minor);
1378 	ha->fw_info.bootload_major = le16_to_cpu(about_fw->bootload_major);
1379 	ha->fw_info.bootload_minor = le16_to_cpu(about_fw->bootload_minor);
1380 	ha->fw_info.bootload_patch = le16_to_cpu(about_fw->bootload_patch);
1381 	ha->fw_info.bootload_build = le16_to_cpu(about_fw->bootload_build);
1382 	strcpy((char *)ha->fw_info.extended_timestamp,
1383 	       skip_spaces((char *)about_fw->extended_timestamp));
1384 
1385 	ha->fw_uptime_secs = le32_to_cpu(mbox_sts[5]);
1386 	ha->fw_uptime_msecs = le32_to_cpu(mbox_sts[6]);
1387 	status = QLA_SUCCESS;
1388 
1389 exit_about_fw:
1390 	dma_free_coherent(&ha->pdev->dev, sizeof(struct about_fw_info),
1391 			  about_fw, about_fw_dma);
1392 	return status;
1393 }
1394 
qla4xxx_get_default_ddb(struct scsi_qla_host * ha,uint32_t options,dma_addr_t dma_addr)1395 int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, uint32_t options,
1396 			    dma_addr_t dma_addr)
1397 {
1398 	uint32_t mbox_cmd[MBOX_REG_COUNT];
1399 	uint32_t mbox_sts[MBOX_REG_COUNT];
1400 
1401 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1402 	memset(&mbox_sts, 0, sizeof(mbox_sts));
1403 
1404 	mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS;
1405 	mbox_cmd[1] = options;
1406 	mbox_cmd[2] = LSDW(dma_addr);
1407 	mbox_cmd[3] = MSDW(dma_addr);
1408 
1409 	if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) !=
1410 	    QLA_SUCCESS) {
1411 		DEBUG2(printk("scsi%ld: %s: failed status %04X\n",
1412 		     ha->host_no, __func__, mbox_sts[0]));
1413 		return QLA_ERROR;
1414 	}
1415 	return QLA_SUCCESS;
1416 }
1417 
qla4xxx_req_ddb_entry(struct scsi_qla_host * ha,uint32_t ddb_index,uint32_t * mbx_sts)1418 int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index,
1419 			  uint32_t *mbx_sts)
1420 {
1421 	int status;
1422 	uint32_t mbox_cmd[MBOX_REG_COUNT];
1423 	uint32_t mbox_sts[MBOX_REG_COUNT];
1424 
1425 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1426 	memset(&mbox_sts, 0, sizeof(mbox_sts));
1427 
1428 	mbox_cmd[0] = MBOX_CMD_REQUEST_DATABASE_ENTRY;
1429 	mbox_cmd[1] = ddb_index;
1430 
1431 	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1432 					 &mbox_sts[0]);
1433 	if (status != QLA_SUCCESS) {
1434 		DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
1435 				   __func__, mbox_sts[0]));
1436 	}
1437 
1438 	*mbx_sts = mbox_sts[0];
1439 	return status;
1440 }
1441 
qla4xxx_clear_ddb_entry(struct scsi_qla_host * ha,uint32_t ddb_index)1442 int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index)
1443 {
1444 	int status;
1445 	uint32_t mbox_cmd[MBOX_REG_COUNT];
1446 	uint32_t mbox_sts[MBOX_REG_COUNT];
1447 
1448 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1449 	memset(&mbox_sts, 0, sizeof(mbox_sts));
1450 
1451 	mbox_cmd[0] = MBOX_CMD_CLEAR_DATABASE_ENTRY;
1452 	mbox_cmd[1] = ddb_index;
1453 
1454 	status = qla4xxx_mailbox_command(ha, 2, 1, &mbox_cmd[0],
1455 					 &mbox_sts[0]);
1456 	if (status != QLA_SUCCESS) {
1457 		DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
1458 				   __func__, mbox_sts[0]));
1459 	}
1460 
1461 	return status;
1462 }
1463 
qla4xxx_set_flash(struct scsi_qla_host * ha,dma_addr_t dma_addr,uint32_t offset,uint32_t length,uint32_t options)1464 int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
1465 		      uint32_t offset, uint32_t length, uint32_t options)
1466 {
1467 	uint32_t mbox_cmd[MBOX_REG_COUNT];
1468 	uint32_t mbox_sts[MBOX_REG_COUNT];
1469 	int status = QLA_SUCCESS;
1470 
1471 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1472 	memset(&mbox_sts, 0, sizeof(mbox_sts));
1473 
1474 	mbox_cmd[0] = MBOX_CMD_WRITE_FLASH;
1475 	mbox_cmd[1] = LSDW(dma_addr);
1476 	mbox_cmd[2] = MSDW(dma_addr);
1477 	mbox_cmd[3] = offset;
1478 	mbox_cmd[4] = length;
1479 	mbox_cmd[5] = options;
1480 
1481 	status = qla4xxx_mailbox_command(ha, 6, 2, &mbox_cmd[0], &mbox_sts[0]);
1482 	if (status != QLA_SUCCESS) {
1483 		DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_WRITE_FLASH "
1484 				  "failed w/ status %04X, mbx1 %04X\n",
1485 				  __func__, mbox_sts[0], mbox_sts[1]));
1486 	}
1487 	return status;
1488 }
1489 
qla4xxx_bootdb_by_index(struct scsi_qla_host * ha,struct dev_db_entry * fw_ddb_entry,dma_addr_t fw_ddb_entry_dma,uint16_t ddb_index)1490 int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha,
1491 			    struct dev_db_entry *fw_ddb_entry,
1492 			    dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index)
1493 {
1494 	uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
1495 	uint32_t dev_db_end_offset;
1496 	int status = QLA_ERROR;
1497 
1498 	memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
1499 
1500 	dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry));
1501 	dev_db_end_offset = FLASH_OFFSET_DB_END;
1502 
1503 	if (dev_db_start_offset > dev_db_end_offset) {
1504 		DEBUG2(ql4_printk(KERN_ERR, ha,
1505 				  "%s:Invalid DDB index %d", __func__,
1506 				  ddb_index));
1507 		goto exit_bootdb_failed;
1508 	}
1509 
1510 	if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
1511 			      sizeof(*fw_ddb_entry)) != QLA_SUCCESS) {
1512 		ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
1513 			   "failed\n", ha->host_no, __func__);
1514 		goto exit_bootdb_failed;
1515 	}
1516 
1517 	if (fw_ddb_entry->cookie == DDB_VALID_COOKIE)
1518 		status = QLA_SUCCESS;
1519 
1520 exit_bootdb_failed:
1521 	return status;
1522 }
1523 
qla4xxx_flashdb_by_index(struct scsi_qla_host * ha,struct dev_db_entry * fw_ddb_entry,dma_addr_t fw_ddb_entry_dma,uint16_t ddb_index)1524 int qla4xxx_flashdb_by_index(struct scsi_qla_host *ha,
1525 			     struct dev_db_entry *fw_ddb_entry,
1526 			     dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index)
1527 {
1528 	uint32_t dev_db_start_offset;
1529 	uint32_t dev_db_end_offset;
1530 	int status = QLA_ERROR;
1531 
1532 	memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
1533 
1534 	if (is_qla40XX(ha)) {
1535 		dev_db_start_offset = FLASH_OFFSET_DB_INFO;
1536 		dev_db_end_offset = FLASH_OFFSET_DB_END;
1537 	} else {
1538 		dev_db_start_offset = FLASH_RAW_ACCESS_ADDR +
1539 				      (ha->hw.flt_region_ddb << 2);
1540 		/* flt_ddb_size is DDB table size for both ports
1541 		 * so divide it by 2 to calculate the offset for second port
1542 		 */
1543 		if (ha->port_num == 1)
1544 			dev_db_start_offset += (ha->hw.flt_ddb_size / 2);
1545 
1546 		dev_db_end_offset = dev_db_start_offset +
1547 				    (ha->hw.flt_ddb_size / 2);
1548 	}
1549 
1550 	dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry));
1551 
1552 	if (dev_db_start_offset > dev_db_end_offset) {
1553 		DEBUG2(ql4_printk(KERN_ERR, ha,
1554 				  "%s:Invalid DDB index %d", __func__,
1555 				  ddb_index));
1556 		goto exit_fdb_failed;
1557 	}
1558 
1559 	if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
1560 			      sizeof(*fw_ddb_entry)) != QLA_SUCCESS) {
1561 		ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash failed\n",
1562 			   ha->host_no, __func__);
1563 		goto exit_fdb_failed;
1564 	}
1565 
1566 	if (fw_ddb_entry->cookie == DDB_VALID_COOKIE)
1567 		status = QLA_SUCCESS;
1568 
1569 exit_fdb_failed:
1570 	return status;
1571 }
1572 
qla4xxx_get_chap(struct scsi_qla_host * ha,char * username,char * password,uint16_t idx)1573 int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password,
1574 		     uint16_t idx)
1575 {
1576 	int ret = 0;
1577 	int rval = QLA_ERROR;
1578 	uint32_t offset = 0, chap_size;
1579 	struct ql4_chap_table *chap_table;
1580 	dma_addr_t chap_dma;
1581 
1582 	chap_table = dma_pool_zalloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
1583 	if (chap_table == NULL)
1584 		return -ENOMEM;
1585 
1586 	chap_size = sizeof(struct ql4_chap_table);
1587 
1588 	if (is_qla40XX(ha))
1589 		offset = FLASH_CHAP_OFFSET | (idx * chap_size);
1590 	else {
1591 		offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
1592 		/* flt_chap_size is CHAP table size for both ports
1593 		 * so divide it by 2 to calculate the offset for second port
1594 		 */
1595 		if (ha->port_num == 1)
1596 			offset += (ha->hw.flt_chap_size / 2);
1597 		offset += (idx * chap_size);
1598 	}
1599 
1600 	rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
1601 	if (rval != QLA_SUCCESS) {
1602 		ret = -EINVAL;
1603 		goto exit_get_chap;
1604 	}
1605 
1606 	DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
1607 		__le16_to_cpu(chap_table->cookie)));
1608 
1609 	if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
1610 		ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
1611 		goto exit_get_chap;
1612 	}
1613 
1614 	strscpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
1615 	strscpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
1616 	chap_table->cookie = cpu_to_le16(CHAP_VALID_COOKIE);
1617 
1618 exit_get_chap:
1619 	dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
1620 	return ret;
1621 }
1622 
1623 /**
1624  * qla4xxx_set_chap - Make a chap entry at the given index
1625  * @ha: pointer to adapter structure
1626  * @username: CHAP username to set
1627  * @password: CHAP password to set
1628  * @idx: CHAP index at which to make the entry
1629  * @bidi: type of chap entry (chap_in or chap_out)
1630  *
1631  * Create chap entry at the given index with the information provided.
1632  *
1633  * Note: Caller should acquire the chap lock before getting here.
1634  **/
qla4xxx_set_chap(struct scsi_qla_host * ha,char * username,char * password,uint16_t idx,int bidi)1635 int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username, char *password,
1636 		     uint16_t idx, int bidi)
1637 {
1638 	int ret = 0;
1639 	int rval = QLA_ERROR;
1640 	uint32_t offset = 0;
1641 	struct ql4_chap_table *chap_table;
1642 	uint32_t chap_size = 0;
1643 	dma_addr_t chap_dma;
1644 
1645 	chap_table = dma_pool_zalloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
1646 	if (chap_table == NULL) {
1647 		ret =  -ENOMEM;
1648 		goto exit_set_chap;
1649 	}
1650 
1651 	if (bidi)
1652 		chap_table->flags |= BIT_6; /* peer */
1653 	else
1654 		chap_table->flags |= BIT_7; /* local */
1655 	chap_table->secret_len = strlen(password);
1656 	strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN - 1);
1657 	strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN - 1);
1658 	chap_table->cookie = cpu_to_le16(CHAP_VALID_COOKIE);
1659 
1660 	if (is_qla40XX(ha)) {
1661 		chap_size = MAX_CHAP_ENTRIES_40XX * sizeof(*chap_table);
1662 		offset = FLASH_CHAP_OFFSET;
1663 	} else { /* Single region contains CHAP info for both ports which is
1664 		  * divided into half for each port.
1665 		  */
1666 		chap_size = ha->hw.flt_chap_size / 2;
1667 		offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
1668 		if (ha->port_num == 1)
1669 			offset += chap_size;
1670 	}
1671 
1672 	offset += (idx * sizeof(struct ql4_chap_table));
1673 	rval = qla4xxx_set_flash(ha, chap_dma, offset,
1674 				sizeof(struct ql4_chap_table),
1675 				FLASH_OPT_RMW_COMMIT);
1676 
1677 	if (rval == QLA_SUCCESS && ha->chap_list) {
1678 		/* Update ha chap_list cache */
1679 		memcpy((struct ql4_chap_table *)ha->chap_list + idx,
1680 		       chap_table, sizeof(struct ql4_chap_table));
1681 	}
1682 	dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
1683 	if (rval != QLA_SUCCESS)
1684 		ret =  -EINVAL;
1685 
1686 exit_set_chap:
1687 	return ret;
1688 }
1689 
1690 
qla4xxx_get_uni_chap_at_index(struct scsi_qla_host * ha,char * username,char * password,uint16_t chap_index)1691 int qla4xxx_get_uni_chap_at_index(struct scsi_qla_host *ha, char *username,
1692 				  char *password, uint16_t chap_index)
1693 {
1694 	int rval = QLA_ERROR;
1695 	struct ql4_chap_table *chap_table = NULL;
1696 	int max_chap_entries;
1697 
1698 	if (!ha->chap_list) {
1699 		ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
1700 		rval = QLA_ERROR;
1701 		goto exit_uni_chap;
1702 	}
1703 
1704 	if (!username || !password) {
1705 		ql4_printk(KERN_ERR, ha, "No memory for username & secret\n");
1706 		rval = QLA_ERROR;
1707 		goto exit_uni_chap;
1708 	}
1709 
1710 	if (is_qla80XX(ha))
1711 		max_chap_entries = (ha->hw.flt_chap_size / 2) /
1712 				   sizeof(struct ql4_chap_table);
1713 	else
1714 		max_chap_entries = MAX_CHAP_ENTRIES_40XX;
1715 
1716 	if (chap_index > max_chap_entries) {
1717 		ql4_printk(KERN_ERR, ha, "Invalid Chap index\n");
1718 		rval = QLA_ERROR;
1719 		goto exit_uni_chap;
1720 	}
1721 
1722 	mutex_lock(&ha->chap_sem);
1723 	chap_table = (struct ql4_chap_table *)ha->chap_list + chap_index;
1724 	if (chap_table->cookie != cpu_to_le16(CHAP_VALID_COOKIE)) {
1725 		rval = QLA_ERROR;
1726 		goto exit_unlock_uni_chap;
1727 	}
1728 
1729 	if (!(chap_table->flags & BIT_7)) {
1730 		ql4_printk(KERN_ERR, ha, "Unidirectional entry not set\n");
1731 		rval = QLA_ERROR;
1732 		goto exit_unlock_uni_chap;
1733 	}
1734 
1735 	strscpy(password, chap_table->secret, MAX_CHAP_SECRET_LEN);
1736 	strscpy(username, chap_table->name, MAX_CHAP_NAME_LEN);
1737 
1738 	rval = QLA_SUCCESS;
1739 
1740 exit_unlock_uni_chap:
1741 	mutex_unlock(&ha->chap_sem);
1742 exit_uni_chap:
1743 	return rval;
1744 }
1745 
1746 /**
1747  * qla4xxx_get_chap_index - Get chap index given username and secret
1748  * @ha: pointer to adapter structure
1749  * @username: CHAP username to be searched
1750  * @password: CHAP password to be searched
1751  * @bidi: Is this a BIDI CHAP
1752  * @chap_index: CHAP index to be returned
1753  *
1754  * Match the username and password in the chap_list, return the index if a
1755  * match is found. If a match is not found then add the entry in FLASH and
1756  * return the index at which entry is written in the FLASH.
1757  **/
qla4xxx_get_chap_index(struct scsi_qla_host * ha,char * username,char * password,int bidi,uint16_t * chap_index)1758 int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username,
1759 			   char *password, int bidi, uint16_t *chap_index)
1760 {
1761 	int i, rval;
1762 	int free_index = -1;
1763 	int found_index = 0;
1764 	int max_chap_entries = 0;
1765 	struct ql4_chap_table *chap_table;
1766 
1767 	if (is_qla80XX(ha))
1768 		max_chap_entries = (ha->hw.flt_chap_size / 2) /
1769 						sizeof(struct ql4_chap_table);
1770 	else
1771 		max_chap_entries = MAX_CHAP_ENTRIES_40XX;
1772 
1773 	if (!ha->chap_list) {
1774 		ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
1775 		return QLA_ERROR;
1776 	}
1777 
1778 	if (!username || !password) {
1779 		ql4_printk(KERN_ERR, ha, "Do not have username and psw\n");
1780 		return QLA_ERROR;
1781 	}
1782 
1783 	mutex_lock(&ha->chap_sem);
1784 	for (i = 0; i < max_chap_entries; i++) {
1785 		chap_table = (struct ql4_chap_table *)ha->chap_list + i;
1786 		if (chap_table->cookie !=
1787 		    cpu_to_le16(CHAP_VALID_COOKIE)) {
1788 			if (i > MAX_RESRV_CHAP_IDX && free_index == -1)
1789 				free_index = i;
1790 			continue;
1791 		}
1792 		if (bidi) {
1793 			if (chap_table->flags & BIT_7)
1794 				continue;
1795 		} else {
1796 			if (chap_table->flags & BIT_6)
1797 				continue;
1798 		}
1799 		if (!strncmp(chap_table->secret, password,
1800 			     MAX_CHAP_SECRET_LEN) &&
1801 		    !strncmp(chap_table->name, username,
1802 			     MAX_CHAP_NAME_LEN)) {
1803 			*chap_index = i;
1804 			found_index = 1;
1805 			break;
1806 		}
1807 	}
1808 
1809 	/* If chap entry is not present and a free index is available then
1810 	 * write the entry in flash
1811 	 */
1812 	if (!found_index && free_index != -1) {
1813 		rval = qla4xxx_set_chap(ha, username, password,
1814 					free_index, bidi);
1815 		if (!rval) {
1816 			*chap_index = free_index;
1817 			found_index = 1;
1818 		}
1819 	}
1820 
1821 	mutex_unlock(&ha->chap_sem);
1822 
1823 	if (found_index)
1824 		return QLA_SUCCESS;
1825 	return QLA_ERROR;
1826 }
1827 
qla4xxx_conn_close_sess_logout(struct scsi_qla_host * ha,uint16_t fw_ddb_index,uint16_t connection_id,uint16_t option)1828 int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha,
1829 				   uint16_t fw_ddb_index,
1830 				   uint16_t connection_id,
1831 				   uint16_t option)
1832 {
1833 	uint32_t mbox_cmd[MBOX_REG_COUNT];
1834 	uint32_t mbox_sts[MBOX_REG_COUNT];
1835 	int status = QLA_SUCCESS;
1836 
1837 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1838 	memset(&mbox_sts, 0, sizeof(mbox_sts));
1839 
1840 	mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
1841 	mbox_cmd[1] = fw_ddb_index;
1842 	mbox_cmd[2] = connection_id;
1843 	mbox_cmd[3] = option;
1844 
1845 	status = qla4xxx_mailbox_command(ha, 4, 2, &mbox_cmd[0], &mbox_sts[0]);
1846 	if (status != QLA_SUCCESS) {
1847 		DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_CONN_CLOSE "
1848 				  "option %04x failed w/ status %04X %04X\n",
1849 				  __func__, option, mbox_sts[0], mbox_sts[1]));
1850 	}
1851 	return status;
1852 }
1853 
1854 /**
1855  * qla4_84xx_extend_idc_tmo - Extend IDC Timeout.
1856  * @ha: Pointer to host adapter structure.
1857  * @ext_tmo: idc timeout value
1858  *
1859  * Requests firmware to extend the idc timeout value.
1860  **/
qla4_84xx_extend_idc_tmo(struct scsi_qla_host * ha,uint32_t ext_tmo)1861 static int qla4_84xx_extend_idc_tmo(struct scsi_qla_host *ha, uint32_t ext_tmo)
1862 {
1863 	uint32_t mbox_cmd[MBOX_REG_COUNT];
1864 	uint32_t mbox_sts[MBOX_REG_COUNT];
1865 	int status;
1866 
1867 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1868 	memset(&mbox_sts, 0, sizeof(mbox_sts));
1869 	ext_tmo &= 0xf;
1870 
1871 	mbox_cmd[0] = MBOX_CMD_IDC_TIME_EXTEND;
1872 	mbox_cmd[1] = ((ha->idc_info.request_desc & 0xfffff0ff) |
1873 		       (ext_tmo << 8));		/* new timeout */
1874 	mbox_cmd[2] = ha->idc_info.info1;
1875 	mbox_cmd[3] = ha->idc_info.info2;
1876 	mbox_cmd[4] = ha->idc_info.info3;
1877 
1878 	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
1879 					 mbox_cmd, mbox_sts);
1880 	if (status != QLA_SUCCESS) {
1881 		DEBUG2(ql4_printk(KERN_INFO, ha,
1882 				  "scsi%ld: %s: failed status %04X\n",
1883 				  ha->host_no, __func__, mbox_sts[0]));
1884 		return QLA_ERROR;
1885 	} else {
1886 		ql4_printk(KERN_INFO, ha, "%s: IDC timeout extended by %d secs\n",
1887 			   __func__, ext_tmo);
1888 	}
1889 
1890 	return QLA_SUCCESS;
1891 }
1892 
qla4xxx_disable_acb(struct scsi_qla_host * ha)1893 int qla4xxx_disable_acb(struct scsi_qla_host *ha)
1894 {
1895 	uint32_t mbox_cmd[MBOX_REG_COUNT];
1896 	uint32_t mbox_sts[MBOX_REG_COUNT];
1897 	int status = QLA_SUCCESS;
1898 
1899 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1900 	memset(&mbox_sts, 0, sizeof(mbox_sts));
1901 
1902 	mbox_cmd[0] = MBOX_CMD_DISABLE_ACB;
1903 
1904 	status = qla4xxx_mailbox_command(ha, 8, 5, &mbox_cmd[0], &mbox_sts[0]);
1905 	if (status != QLA_SUCCESS) {
1906 		DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_DISABLE_ACB "
1907 				  "failed w/ status %04X %04X %04X", __func__,
1908 				  mbox_sts[0], mbox_sts[1], mbox_sts[2]));
1909 	} else {
1910 		if (is_qla8042(ha) &&
1911 		    test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) &&
1912 		    (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE)) {
1913 			/*
1914 			 * Disable ACB mailbox command takes time to complete
1915 			 * based on the total number of targets connected.
1916 			 * For 512 targets, it took approximately 5 secs to
1917 			 * complete. Setting the timeout value to 8, with the 3
1918 			 * secs buffer.
1919 			 */
1920 			qla4_84xx_extend_idc_tmo(ha, IDC_EXTEND_TOV);
1921 			if (!wait_for_completion_timeout(&ha->disable_acb_comp,
1922 							 IDC_EXTEND_TOV * HZ)) {
1923 				ql4_printk(KERN_WARNING, ha, "%s: Disable ACB Completion not received\n",
1924 					   __func__);
1925 			}
1926 		}
1927 	}
1928 	return status;
1929 }
1930 
qla4xxx_get_acb(struct scsi_qla_host * ha,dma_addr_t acb_dma,uint32_t acb_type,uint32_t len)1931 int qla4xxx_get_acb(struct scsi_qla_host *ha, dma_addr_t acb_dma,
1932 		    uint32_t acb_type, uint32_t len)
1933 {
1934 	uint32_t mbox_cmd[MBOX_REG_COUNT];
1935 	uint32_t mbox_sts[MBOX_REG_COUNT];
1936 	int status = QLA_SUCCESS;
1937 
1938 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1939 	memset(&mbox_sts, 0, sizeof(mbox_sts));
1940 
1941 	mbox_cmd[0] = MBOX_CMD_GET_ACB;
1942 	mbox_cmd[1] = acb_type;
1943 	mbox_cmd[2] = LSDW(acb_dma);
1944 	mbox_cmd[3] = MSDW(acb_dma);
1945 	mbox_cmd[4] = len;
1946 
1947 	status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
1948 	if (status != QLA_SUCCESS) {
1949 		DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_GET_ACB "
1950 				  "failed w/ status %04X\n", __func__,
1951 				  mbox_sts[0]));
1952 	}
1953 	return status;
1954 }
1955 
qla4xxx_set_acb(struct scsi_qla_host * ha,uint32_t * mbox_cmd,uint32_t * mbox_sts,dma_addr_t acb_dma)1956 int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
1957 		    uint32_t *mbox_sts, dma_addr_t acb_dma)
1958 {
1959 	int status = QLA_SUCCESS;
1960 
1961 	memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
1962 	memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
1963 	mbox_cmd[0] = MBOX_CMD_SET_ACB;
1964 	mbox_cmd[1] = 0; /* Primary ACB */
1965 	mbox_cmd[2] = LSDW(acb_dma);
1966 	mbox_cmd[3] = MSDW(acb_dma);
1967 	mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
1968 
1969 	status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
1970 	if (status != QLA_SUCCESS) {
1971 		DEBUG2(ql4_printk(KERN_WARNING, ha,  "%s: MBOX_CMD_SET_ACB "
1972 				  "failed w/ status %04X\n", __func__,
1973 				  mbox_sts[0]));
1974 	}
1975 	return status;
1976 }
1977 
qla4xxx_set_param_ddbentry(struct scsi_qla_host * ha,struct ddb_entry * ddb_entry,struct iscsi_cls_conn * cls_conn,uint32_t * mbx_sts)1978 int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha,
1979 			       struct ddb_entry *ddb_entry,
1980 			       struct iscsi_cls_conn *cls_conn,
1981 			       uint32_t *mbx_sts)
1982 {
1983 	struct dev_db_entry *fw_ddb_entry;
1984 	struct iscsi_conn *conn;
1985 	struct iscsi_session *sess;
1986 	struct qla_conn *qla_conn;
1987 	struct sockaddr *dst_addr;
1988 	dma_addr_t fw_ddb_entry_dma;
1989 	int status = QLA_SUCCESS;
1990 	int rval = 0;
1991 	struct sockaddr_in *addr;
1992 	struct sockaddr_in6 *addr6;
1993 	char *ip;
1994 	uint16_t iscsi_opts = 0;
1995 	uint32_t options = 0;
1996 	uint16_t idx, *ptid;
1997 
1998 	fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
1999 					  &fw_ddb_entry_dma, GFP_KERNEL);
2000 	if (!fw_ddb_entry) {
2001 		DEBUG2(ql4_printk(KERN_ERR, ha,
2002 				  "%s: Unable to allocate dma buffer.\n",
2003 				  __func__));
2004 		rval = -ENOMEM;
2005 		goto exit_set_param_no_free;
2006 	}
2007 
2008 	conn = cls_conn->dd_data;
2009 	qla_conn = conn->dd_data;
2010 	sess = conn->session;
2011 	dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr;
2012 
2013 	if (dst_addr->sa_family == AF_INET6)
2014 		options |= IPV6_DEFAULT_DDB_ENTRY;
2015 
2016 	status = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
2017 	if (status == QLA_ERROR) {
2018 		rval = -EINVAL;
2019 		goto exit_set_param;
2020 	}
2021 
2022 	ptid = (uint16_t *)&fw_ddb_entry->isid[1];
2023 	*ptid = cpu_to_le16((uint16_t)ddb_entry->sess->target_id);
2024 
2025 	DEBUG2(ql4_printk(KERN_INFO, ha, "ISID [%pmR]\n", fw_ddb_entry->isid));
2026 
2027 	iscsi_opts = le16_to_cpu(fw_ddb_entry->iscsi_options);
2028 	memset(fw_ddb_entry->iscsi_alias, 0, sizeof(fw_ddb_entry->iscsi_alias));
2029 
2030 	memset(fw_ddb_entry->iscsi_name, 0, sizeof(fw_ddb_entry->iscsi_name));
2031 
2032 	if (sess->targetname != NULL) {
2033 		memcpy(fw_ddb_entry->iscsi_name, sess->targetname,
2034 		       min(strlen(sess->targetname),
2035 		       sizeof(fw_ddb_entry->iscsi_name)));
2036 	}
2037 
2038 	memset(fw_ddb_entry->ip_addr, 0, sizeof(fw_ddb_entry->ip_addr));
2039 	memset(fw_ddb_entry->tgt_addr, 0, sizeof(fw_ddb_entry->tgt_addr));
2040 
2041 	fw_ddb_entry->options =  DDB_OPT_TARGET | DDB_OPT_AUTO_SENDTGTS_DISABLE;
2042 
2043 	if (dst_addr->sa_family == AF_INET) {
2044 		addr = (struct sockaddr_in *)dst_addr;
2045 		ip = (char *)&addr->sin_addr;
2046 		memcpy(fw_ddb_entry->ip_addr, ip, IP_ADDR_LEN);
2047 		fw_ddb_entry->port = cpu_to_le16(ntohs(addr->sin_port));
2048 		DEBUG2(ql4_printk(KERN_INFO, ha,
2049 				  "%s: Destination Address [%pI4]: index [%d]\n",
2050 				   __func__, fw_ddb_entry->ip_addr,
2051 				  ddb_entry->fw_ddb_index));
2052 	} else if (dst_addr->sa_family == AF_INET6) {
2053 		addr6 = (struct sockaddr_in6 *)dst_addr;
2054 		ip = (char *)&addr6->sin6_addr;
2055 		memcpy(fw_ddb_entry->ip_addr, ip, IPv6_ADDR_LEN);
2056 		fw_ddb_entry->port = cpu_to_le16(ntohs(addr6->sin6_port));
2057 		fw_ddb_entry->options |= DDB_OPT_IPV6_DEVICE;
2058 		DEBUG2(ql4_printk(KERN_INFO, ha,
2059 				  "%s: Destination Address [%pI6]: index [%d]\n",
2060 				   __func__, fw_ddb_entry->ip_addr,
2061 				  ddb_entry->fw_ddb_index));
2062 	} else {
2063 		ql4_printk(KERN_ERR, ha,
2064 			   "%s: Failed to get IP Address\n",
2065 			   __func__);
2066 		rval = -EINVAL;
2067 		goto exit_set_param;
2068 	}
2069 
2070 	/* CHAP */
2071 	if (sess->username != NULL && sess->password != NULL) {
2072 		if (strlen(sess->username) && strlen(sess->password)) {
2073 			iscsi_opts |= BIT_7;
2074 
2075 			rval = qla4xxx_get_chap_index(ha, sess->username,
2076 						sess->password,
2077 						LOCAL_CHAP, &idx);
2078 			if (rval)
2079 				goto exit_set_param;
2080 
2081 			fw_ddb_entry->chap_tbl_idx = cpu_to_le16(idx);
2082 		}
2083 	}
2084 
2085 	if (sess->username_in != NULL && sess->password_in != NULL) {
2086 		/* Check if BIDI CHAP */
2087 		if (strlen(sess->username_in) && strlen(sess->password_in)) {
2088 			iscsi_opts |= BIT_4;
2089 
2090 			rval = qla4xxx_get_chap_index(ha, sess->username_in,
2091 						      sess->password_in,
2092 						      BIDI_CHAP, &idx);
2093 			if (rval)
2094 				goto exit_set_param;
2095 		}
2096 	}
2097 
2098 	if (sess->initial_r2t_en)
2099 		iscsi_opts |= BIT_10;
2100 
2101 	if (sess->imm_data_en)
2102 		iscsi_opts |= BIT_11;
2103 
2104 	fw_ddb_entry->iscsi_options = cpu_to_le16(iscsi_opts);
2105 
2106 	if (conn->max_recv_dlength)
2107 		fw_ddb_entry->iscsi_max_rcv_data_seg_len =
2108 		  cpu_to_le16((conn->max_recv_dlength / BYTE_UNITS));
2109 
2110 	if (sess->max_r2t)
2111 		fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);
2112 
2113 	if (sess->first_burst)
2114 		fw_ddb_entry->iscsi_first_burst_len =
2115 		       cpu_to_le16((sess->first_burst / BYTE_UNITS));
2116 
2117 	if (sess->max_burst)
2118 		fw_ddb_entry->iscsi_max_burst_len =
2119 			cpu_to_le16((sess->max_burst / BYTE_UNITS));
2120 
2121 	if (sess->time2wait)
2122 		fw_ddb_entry->iscsi_def_time2wait =
2123 			cpu_to_le16(sess->time2wait);
2124 
2125 	if (sess->time2retain)
2126 		fw_ddb_entry->iscsi_def_time2retain =
2127 			cpu_to_le16(sess->time2retain);
2128 
2129 	status = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index,
2130 				       fw_ddb_entry_dma, mbx_sts);
2131 
2132 	if (status != QLA_SUCCESS)
2133 		rval = -EINVAL;
2134 exit_set_param:
2135 	dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
2136 			  fw_ddb_entry, fw_ddb_entry_dma);
2137 exit_set_param_no_free:
2138 	return rval;
2139 }
2140 
qla4xxx_get_mgmt_data(struct scsi_qla_host * ha,uint16_t fw_ddb_index,uint16_t stats_size,dma_addr_t stats_dma)2141 int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index,
2142 			  uint16_t stats_size, dma_addr_t stats_dma)
2143 {
2144 	int status = QLA_SUCCESS;
2145 	uint32_t mbox_cmd[MBOX_REG_COUNT];
2146 	uint32_t mbox_sts[MBOX_REG_COUNT];
2147 
2148 	memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
2149 	memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
2150 	mbox_cmd[0] = MBOX_CMD_GET_MANAGEMENT_DATA;
2151 	mbox_cmd[1] = fw_ddb_index;
2152 	mbox_cmd[2] = LSDW(stats_dma);
2153 	mbox_cmd[3] = MSDW(stats_dma);
2154 	mbox_cmd[4] = stats_size;
2155 
2156 	status = qla4xxx_mailbox_command(ha, 5, 1, &mbox_cmd[0], &mbox_sts[0]);
2157 	if (status != QLA_SUCCESS) {
2158 		DEBUG2(ql4_printk(KERN_WARNING, ha,
2159 				  "%s: MBOX_CMD_GET_MANAGEMENT_DATA "
2160 				  "failed w/ status %04X\n", __func__,
2161 				  mbox_sts[0]));
2162 	}
2163 	return status;
2164 }
2165 
qla4xxx_get_ip_state(struct scsi_qla_host * ha,uint32_t acb_idx,uint32_t ip_idx,uint32_t * sts)2166 int qla4xxx_get_ip_state(struct scsi_qla_host *ha, uint32_t acb_idx,
2167 			 uint32_t ip_idx, uint32_t *sts)
2168 {
2169 	uint32_t mbox_cmd[MBOX_REG_COUNT];
2170 	uint32_t mbox_sts[MBOX_REG_COUNT];
2171 	int status = QLA_SUCCESS;
2172 
2173 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2174 	memset(&mbox_sts, 0, sizeof(mbox_sts));
2175 	mbox_cmd[0] = MBOX_CMD_GET_IP_ADDR_STATE;
2176 	mbox_cmd[1] = acb_idx;
2177 	mbox_cmd[2] = ip_idx;
2178 
2179 	status = qla4xxx_mailbox_command(ha, 3, 8, &mbox_cmd[0], &mbox_sts[0]);
2180 	if (status != QLA_SUCCESS) {
2181 		DEBUG2(ql4_printk(KERN_WARNING, ha,  "%s: "
2182 				  "MBOX_CMD_GET_IP_ADDR_STATE failed w/ "
2183 				  "status %04X\n", __func__, mbox_sts[0]));
2184 	}
2185 	memcpy(sts, mbox_sts, sizeof(mbox_sts));
2186 	return status;
2187 }
2188 
qla4xxx_get_nvram(struct scsi_qla_host * ha,dma_addr_t nvram_dma,uint32_t offset,uint32_t size)2189 int qla4xxx_get_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
2190 		      uint32_t offset, uint32_t size)
2191 {
2192 	int status = QLA_SUCCESS;
2193 	uint32_t mbox_cmd[MBOX_REG_COUNT];
2194 	uint32_t mbox_sts[MBOX_REG_COUNT];
2195 
2196 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2197 	memset(&mbox_sts, 0, sizeof(mbox_sts));
2198 
2199 	mbox_cmd[0] = MBOX_CMD_GET_NVRAM;
2200 	mbox_cmd[1] = LSDW(nvram_dma);
2201 	mbox_cmd[2] = MSDW(nvram_dma);
2202 	mbox_cmd[3] = offset;
2203 	mbox_cmd[4] = size;
2204 
2205 	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
2206 					 &mbox_sts[0]);
2207 	if (status != QLA_SUCCESS) {
2208 		DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
2209 				  "status %04X\n", ha->host_no, __func__,
2210 				  mbox_sts[0]));
2211 	}
2212 	return status;
2213 }
2214 
qla4xxx_set_nvram(struct scsi_qla_host * ha,dma_addr_t nvram_dma,uint32_t offset,uint32_t size)2215 int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
2216 		      uint32_t offset, uint32_t size)
2217 {
2218 	int status = QLA_SUCCESS;
2219 	uint32_t mbox_cmd[MBOX_REG_COUNT];
2220 	uint32_t mbox_sts[MBOX_REG_COUNT];
2221 
2222 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2223 	memset(&mbox_sts, 0, sizeof(mbox_sts));
2224 
2225 	mbox_cmd[0] = MBOX_CMD_SET_NVRAM;
2226 	mbox_cmd[1] = LSDW(nvram_dma);
2227 	mbox_cmd[2] = MSDW(nvram_dma);
2228 	mbox_cmd[3] = offset;
2229 	mbox_cmd[4] = size;
2230 
2231 	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
2232 					 &mbox_sts[0]);
2233 	if (status != QLA_SUCCESS) {
2234 		DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
2235 				  "status %04X\n", ha->host_no, __func__,
2236 				  mbox_sts[0]));
2237 	}
2238 	return status;
2239 }
2240 
qla4xxx_restore_factory_defaults(struct scsi_qla_host * ha,uint32_t region,uint32_t field0,uint32_t field1)2241 int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha,
2242 				     uint32_t region, uint32_t field0,
2243 				     uint32_t field1)
2244 {
2245 	int status = QLA_SUCCESS;
2246 	uint32_t mbox_cmd[MBOX_REG_COUNT];
2247 	uint32_t mbox_sts[MBOX_REG_COUNT];
2248 
2249 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2250 	memset(&mbox_sts, 0, sizeof(mbox_sts));
2251 
2252 	mbox_cmd[0] = MBOX_CMD_RESTORE_FACTORY_DEFAULTS;
2253 	mbox_cmd[3] = region;
2254 	mbox_cmd[4] = field0;
2255 	mbox_cmd[5] = field1;
2256 
2257 	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0],
2258 					 &mbox_sts[0]);
2259 	if (status != QLA_SUCCESS) {
2260 		DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
2261 				  "status %04X\n", ha->host_no, __func__,
2262 				  mbox_sts[0]));
2263 	}
2264 	return status;
2265 }
2266 
2267 /**
2268  * qla4_8xxx_set_param - set driver version in firmware.
2269  * @ha: Pointer to host adapter structure.
2270  * @param: Parameter to set i.e driver version
2271  **/
qla4_8xxx_set_param(struct scsi_qla_host * ha,int param)2272 int qla4_8xxx_set_param(struct scsi_qla_host *ha, int param)
2273 {
2274 	uint32_t mbox_cmd[MBOX_REG_COUNT];
2275 	uint32_t mbox_sts[MBOX_REG_COUNT];
2276 	uint32_t status;
2277 
2278 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2279 	memset(&mbox_sts, 0, sizeof(mbox_sts));
2280 
2281 	mbox_cmd[0] = MBOX_CMD_SET_PARAM;
2282 	if (param == SET_DRVR_VERSION) {
2283 		mbox_cmd[1] = SET_DRVR_VERSION;
2284 		strncpy((char *)&mbox_cmd[2], QLA4XXX_DRIVER_VERSION,
2285 			MAX_DRVR_VER_LEN - 1);
2286 	} else {
2287 		ql4_printk(KERN_ERR, ha, "%s: invalid parameter 0x%x\n",
2288 			   __func__, param);
2289 		status = QLA_ERROR;
2290 		goto exit_set_param;
2291 	}
2292 
2293 	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, mbox_cmd,
2294 					 mbox_sts);
2295 	if (status == QLA_ERROR)
2296 		ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
2297 			   __func__, mbox_sts[0]);
2298 
2299 exit_set_param:
2300 	return status;
2301 }
2302 
2303 /**
2304  * qla4_83xx_post_idc_ack - post IDC ACK
2305  * @ha: Pointer to host adapter structure.
2306  *
2307  * Posts IDC ACK for IDC Request Notification AEN.
2308  **/
qla4_83xx_post_idc_ack(struct scsi_qla_host * ha)2309 int qla4_83xx_post_idc_ack(struct scsi_qla_host *ha)
2310 {
2311 	uint32_t mbox_cmd[MBOX_REG_COUNT];
2312 	uint32_t mbox_sts[MBOX_REG_COUNT];
2313 	int status;
2314 
2315 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2316 	memset(&mbox_sts, 0, sizeof(mbox_sts));
2317 
2318 	mbox_cmd[0] = MBOX_CMD_IDC_ACK;
2319 	mbox_cmd[1] = ha->idc_info.request_desc;
2320 	mbox_cmd[2] = ha->idc_info.info1;
2321 	mbox_cmd[3] = ha->idc_info.info2;
2322 	mbox_cmd[4] = ha->idc_info.info3;
2323 
2324 	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
2325 					 mbox_cmd, mbox_sts);
2326 	if (status == QLA_ERROR)
2327 		ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", __func__,
2328 			   mbox_sts[0]);
2329 	else
2330 	       ql4_printk(KERN_INFO, ha, "%s: IDC ACK posted\n", __func__);
2331 
2332 	return status;
2333 }
2334 
qla4_84xx_config_acb(struct scsi_qla_host * ha,int acb_config)2335 int qla4_84xx_config_acb(struct scsi_qla_host *ha, int acb_config)
2336 {
2337 	uint32_t mbox_cmd[MBOX_REG_COUNT];
2338 	uint32_t mbox_sts[MBOX_REG_COUNT];
2339 	struct addr_ctrl_blk *acb = NULL;
2340 	uint32_t acb_len = sizeof(struct addr_ctrl_blk);
2341 	int rval = QLA_SUCCESS;
2342 	dma_addr_t acb_dma;
2343 
2344 	acb = dma_alloc_coherent(&ha->pdev->dev,
2345 				 sizeof(struct addr_ctrl_blk),
2346 				 &acb_dma, GFP_KERNEL);
2347 	if (!acb) {
2348 		ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", __func__);
2349 		rval = QLA_ERROR;
2350 		goto exit_config_acb;
2351 	}
2352 	memset(acb, 0, acb_len);
2353 
2354 	switch (acb_config) {
2355 	case ACB_CONFIG_DISABLE:
2356 		rval = qla4xxx_get_acb(ha, acb_dma, 0, acb_len);
2357 		if (rval != QLA_SUCCESS)
2358 			goto exit_free_acb;
2359 
2360 		rval = qla4xxx_disable_acb(ha);
2361 		if (rval != QLA_SUCCESS)
2362 			goto exit_free_acb;
2363 
2364 		if (!ha->saved_acb)
2365 			ha->saved_acb = kzalloc(acb_len, GFP_KERNEL);
2366 
2367 		if (!ha->saved_acb) {
2368 			ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n",
2369 				   __func__);
2370 			rval = QLA_ERROR;
2371 			goto exit_free_acb;
2372 		}
2373 		memcpy(ha->saved_acb, acb, acb_len);
2374 		break;
2375 	case ACB_CONFIG_SET:
2376 
2377 		if (!ha->saved_acb) {
2378 			ql4_printk(KERN_ERR, ha, "%s: Can't set ACB, Saved ACB not available\n",
2379 				   __func__);
2380 			rval = QLA_ERROR;
2381 			goto exit_free_acb;
2382 		}
2383 
2384 		memcpy(acb, ha->saved_acb, acb_len);
2385 
2386 		rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma);
2387 		if (rval != QLA_SUCCESS)
2388 			goto exit_free_acb;
2389 
2390 		break;
2391 	default:
2392 		ql4_printk(KERN_ERR, ha, "%s: Invalid ACB Configuration\n",
2393 			   __func__);
2394 	}
2395 
2396 exit_free_acb:
2397 	dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), acb,
2398 			  acb_dma);
2399 exit_config_acb:
2400 	if ((acb_config == ACB_CONFIG_SET) && ha->saved_acb) {
2401 		kfree(ha->saved_acb);
2402 		ha->saved_acb = NULL;
2403 	}
2404 	DEBUG2(ql4_printk(KERN_INFO, ha,
2405 			  "%s %s\n", __func__,
2406 			  rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED"));
2407 	return rval;
2408 }
2409 
qla4_83xx_get_port_config(struct scsi_qla_host * ha,uint32_t * config)2410 int qla4_83xx_get_port_config(struct scsi_qla_host *ha, uint32_t *config)
2411 {
2412 	uint32_t mbox_cmd[MBOX_REG_COUNT];
2413 	uint32_t mbox_sts[MBOX_REG_COUNT];
2414 	int status;
2415 
2416 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2417 	memset(&mbox_sts, 0, sizeof(mbox_sts));
2418 
2419 	mbox_cmd[0] = MBOX_CMD_GET_PORT_CONFIG;
2420 
2421 	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
2422 					 mbox_cmd, mbox_sts);
2423 	if (status == QLA_SUCCESS)
2424 		*config = mbox_sts[1];
2425 	else
2426 		ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", __func__,
2427 			   mbox_sts[0]);
2428 
2429 	return status;
2430 }
2431 
qla4_83xx_set_port_config(struct scsi_qla_host * ha,uint32_t * config)2432 int qla4_83xx_set_port_config(struct scsi_qla_host *ha, uint32_t *config)
2433 {
2434 	uint32_t mbox_cmd[MBOX_REG_COUNT];
2435 	uint32_t mbox_sts[MBOX_REG_COUNT];
2436 	int status;
2437 
2438 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2439 	memset(&mbox_sts, 0, sizeof(mbox_sts));
2440 
2441 	mbox_cmd[0] = MBOX_CMD_SET_PORT_CONFIG;
2442 	mbox_cmd[1] = *config;
2443 
2444 	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
2445 				mbox_cmd, mbox_sts);
2446 	if (status != QLA_SUCCESS)
2447 		ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", __func__,
2448 			   mbox_sts[0]);
2449 
2450 	return status;
2451 }
2452