xref: /illumos-gate/usr/src/uts/common/io/nxge/nxge_hw.c (revision 321febde881fb7f55caa9bc4766f121ff16cd65e)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include <sys/nxge/nxge_impl.h>
29 
30 /*
31  * Tunable Receive Completion Ring Configuration B parameters.
32  */
33 uint16_t nxge_rx_pkt_thres;	/* 16 bits */
34 uint8_t nxge_rx_pkt_timeout;	/* 6 bits based on DMA clock divider */
35 
36 lb_property_t lb_normal = {normal, "normal", nxge_lb_normal};
37 lb_property_t lb_external10g = {external, "external10g", nxge_lb_ext10g};
38 lb_property_t lb_external1000 = {external, "external1000", nxge_lb_ext1000};
39 lb_property_t lb_external100 = {external, "external100", nxge_lb_ext100};
40 lb_property_t lb_external10 = {external, "external10", nxge_lb_ext10};
41 lb_property_t lb_phy10g = {internal, "phy10g", nxge_lb_phy10g};
42 lb_property_t lb_phy1000 = {internal, "phy1000", nxge_lb_phy1000};
43 lb_property_t lb_phy = {internal, "phy", nxge_lb_phy};
44 lb_property_t lb_serdes10g = {internal, "serdes10g", nxge_lb_serdes10g};
45 lb_property_t lb_serdes1000 = {internal, "serdes", nxge_lb_serdes1000};
46 lb_property_t lb_mac10g = {internal, "mac10g", nxge_lb_mac10g};
47 lb_property_t lb_mac1000 = {internal, "mac1000", nxge_lb_mac1000};
48 lb_property_t lb_mac = {internal, "mac10/100", nxge_lb_mac};
49 
50 uint32_t nxge_lb_dbg = 1;
51 void nxge_get_mii(p_nxge_t nxgep, p_mblk_t mp);
52 void nxge_put_mii(p_nxge_t nxgep, p_mblk_t mp);
53 static nxge_status_t nxge_check_xaui_xfp(p_nxge_t nxgep);
54 
55 extern uint32_t nxge_rx_mode;
56 extern uint32_t nxge_jumbo_mtu;
57 extern boolean_t nxge_jumbo_enable;
58 
59 static void
60 nxge_rtrace_ioctl(p_nxge_t, queue_t *, mblk_t *, struct iocblk *);
61 
62 /* ARGSUSED */
63 nxge_status_t
64 nxge_global_reset(p_nxge_t nxgep)
65 {
66 	nxge_status_t	status = NXGE_OK;
67 
68 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_global_reset"));
69 
70 	if ((status = nxge_link_monitor(nxgep, LINK_MONITOR_STOP)) != NXGE_OK)
71 		return (status);
72 	(void) nxge_intr_hw_disable(nxgep);
73 
74 	if ((nxgep->suspended) ||
75 			((nxgep->statsp->port_stats.lb_mode ==
76 			nxge_lb_phy1000) ||
77 			(nxgep->statsp->port_stats.lb_mode ==
78 			nxge_lb_phy10g) ||
79 			(nxgep->statsp->port_stats.lb_mode ==
80 			nxge_lb_serdes1000) ||
81 			(nxgep->statsp->port_stats.lb_mode ==
82 			nxge_lb_serdes10g))) {
83 		if ((status = nxge_link_init(nxgep)) != NXGE_OK)
84 			return (status);
85 	}
86 
87 	if ((status = nxge_link_monitor(nxgep, LINK_MONITOR_START)) != NXGE_OK)
88 		return (status);
89 	if ((status = nxge_mac_init(nxgep)) != NXGE_OK)
90 		return (status);
91 	(void) nxge_intr_hw_enable(nxgep);
92 
93 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_global_reset"));
94 	return (status);
95 }
96 
97 /* ARGSUSED */
98 void
99 nxge_hw_id_init(p_nxge_t nxgep)
100 {
101 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_hw_id_init"));
102 	/*
103 	 * Set up initial hardware parameters required such as mac mtu size.
104 	 */
105 	nxgep->mac.is_jumbo = B_FALSE;
106 	nxgep->mac.maxframesize = NXGE_MTU_DEFAULT_MAX;	/* 1522 */
107 	if (nxgep->param_arr[param_accept_jumbo].value || nxge_jumbo_enable) {
108 		nxgep->mac.maxframesize = (uint16_t)nxge_jumbo_mtu;
109 		nxgep->mac.is_jumbo = B_TRUE;
110 	}
111 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
112 		"==> nxge_hw_id_init: maxframesize %d",
113 		nxgep->mac.maxframesize));
114 
115 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_hw_id_init"));
116 }
117 
118 /* ARGSUSED */
119 void
120 nxge_hw_init_niu_common(p_nxge_t nxgep)
121 {
122 	p_nxge_hw_list_t hw_p;
123 
124 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_hw_init_niu_common"));
125 
126 	if ((hw_p = nxgep->nxge_hw_p) == NULL) {
127 		return;
128 	}
129 	MUTEX_ENTER(&hw_p->nxge_cfg_lock);
130 	if (hw_p->flags & COMMON_INIT_DONE) {
131 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
132 			"nxge_hw_init_niu_common"
133 			" already done for dip $%p function %d exiting",
134 			hw_p->parent_devp, nxgep->function_num));
135 		MUTEX_EXIT(&hw_p->nxge_cfg_lock);
136 		return;
137 	}
138 
139 	hw_p->flags = COMMON_INIT_START;
140 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "nxge_hw_init_niu_common"
141 		" Started for device id %x with function %d",
142 		hw_p->parent_devp, nxgep->function_num));
143 
144 	/* per neptune common block init */
145 	(void) nxge_fflp_hw_reset(nxgep);
146 
147 	hw_p->flags = COMMON_INIT_DONE;
148 	MUTEX_EXIT(&hw_p->nxge_cfg_lock);
149 
150 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "nxge_hw_init_niu_common"
151 		" Done for device id %x with function %d",
152 		hw_p->parent_devp, nxgep->function_num));
153 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_hw_init_niu_common"));
154 }
155 
156 /* ARGSUSED */
157 uint_t
158 nxge_intr(void *arg1, void *arg2)
159 {
160 	p_nxge_ldv_t ldvp = (p_nxge_ldv_t)arg1;
161 	p_nxge_t nxgep = (p_nxge_t)arg2;
162 	uint_t serviced = DDI_INTR_UNCLAIMED;
163 	uint8_t ldv;
164 	npi_handle_t handle;
165 	p_nxge_ldgv_t ldgvp;
166 	p_nxge_ldg_t ldgp, t_ldgp;
167 	p_nxge_ldv_t t_ldvp;
168 	uint64_t vector0 = 0, vector1 = 0, vector2 = 0;
169 	int i, j, nldvs, nintrs = 1;
170 	npi_status_t rs = NPI_SUCCESS;
171 
172 	/* DDI interface returns second arg as NULL (n2 niumx driver) !!! */
173 	if (arg2 == NULL || (void *) ldvp->nxgep != arg2) {
174 		nxgep = ldvp->nxgep;
175 	}
176 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr"));
177 
178 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
179 		NXGE_ERROR_MSG((nxgep, INT_CTL,
180 			"<== nxge_intr: not initialized 0x%x", serviced));
181 		return (serviced);
182 	}
183 
184 	ldgvp = nxgep->ldgvp;
185 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: ldgvp $%p", ldgvp));
186 	if (ldvp == NULL && ldgvp) {
187 		t_ldvp = ldvp = ldgvp->ldvp;
188 	}
189 	if (ldvp) {
190 		ldgp = t_ldgp = ldvp->ldgp;
191 	}
192 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: "
193 		"ldgvp $%p ldvp $%p ldgp $%p", ldgvp, ldvp, ldgp));
194 	if (ldgvp == NULL || ldvp == NULL || ldgp == NULL) {
195 		NXGE_ERROR_MSG((nxgep, INT_CTL, "==> nxge_intr: "
196 			"ldgvp $%p ldvp $%p ldgp $%p", ldgvp, ldvp, ldgp));
197 		NXGE_ERROR_MSG((nxgep, INT_CTL, "<== nxge_intr: not ready"));
198 		return (DDI_INTR_UNCLAIMED);
199 	}
200 	/*
201 	 * This interrupt handler will have to go through all the logical
202 	 * devices to find out which logical device interrupts us and then call
203 	 * its handler to process the events.
204 	 */
205 	handle = NXGE_DEV_NPI_HANDLE(nxgep);
206 	t_ldgp = ldgp;
207 	t_ldvp = ldgp->ldvp;
208 
209 	nldvs = ldgp->nldvs;
210 
211 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: #ldvs %d #intrs %d",
212 			nldvs, ldgvp->ldg_intrs));
213 
214 	serviced = DDI_INTR_CLAIMED;
215 	for (i = 0; i < nintrs; i++, t_ldgp++) {
216 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr(%d): #ldvs %d "
217 				" #intrs %d", i, nldvs, nintrs));
218 		/* Get this group's flag bits.  */
219 		t_ldgp->interrupted = B_FALSE;
220 		rs = npi_ldsv_ldfs_get(handle, t_ldgp->ldg,
221 			&vector0, &vector1, &vector2);
222 		if (rs) {
223 			continue;
224 		}
225 		if (!vector0 && !vector1 && !vector2) {
226 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: "
227 				"no interrupts on group %d", t_ldgp->ldg));
228 			continue;
229 		}
230 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: "
231 			"vector0 0x%llx vector1 0x%llx vector2 0x%llx",
232 			vector0, vector1, vector2));
233 		t_ldgp->interrupted = B_TRUE;
234 		nldvs = t_ldgp->nldvs;
235 		for (j = 0; j < nldvs; j++, t_ldvp++) {
236 			/*
237 			 * Call device's handler if flag bits are on.
238 			 */
239 			ldv = t_ldvp->ldv;
240 			if (((ldv < NXGE_MAC_LD_START) &&
241 					(LDV_ON(ldv, vector0) |
242 					(LDV_ON(ldv, vector1)))) ||
243 					(ldv >= NXGE_MAC_LD_START &&
244 					((LDV2_ON_1(ldv, vector2)) ||
245 					(LDV2_ON_2(ldv, vector2))))) {
246 				(void) (t_ldvp->ldv_intr_handler)(
247 					(caddr_t)t_ldvp, arg2);
248 				NXGE_DEBUG_MSG((nxgep, INT_CTL,
249 					"==> nxge_intr: "
250 					"calling device %d #ldvs %d #intrs %d",
251 					j, nldvs, nintrs));
252 			}
253 		}
254 	}
255 
256 	t_ldgp = ldgp;
257 	for (i = 0; i < nintrs; i++, t_ldgp++) {
258 		/* rearm group interrupts */
259 		if (t_ldgp->interrupted) {
260 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: arm "
261 				"group %d", t_ldgp->ldg));
262 			(void) npi_intr_ldg_mgmt_set(handle, t_ldgp->ldg,
263 				t_ldgp->arm, t_ldgp->ldg_timer);
264 		}
265 	}
266 
267 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intr: serviced 0x%x",
268 		serviced));
269 	return (serviced);
270 }
271 
272 /* ARGSUSED */
273 static nxge_status_t
274 nxge_check_xaui_xfp(p_nxge_t nxgep)
275 {
276 	nxge_status_t	status = NXGE_OK;
277 	uint8_t		phy_port_addr;
278 	uint16_t	val;
279 	uint16_t	val1;
280 	uint8_t		portn;
281 
282 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_check_xaui_xfp"));
283 
284 	portn = nxgep->mac.portnum;
285 	phy_port_addr = nxgep->statsp->mac_stats.xcvr_portn;
286 
287 	if ((status = nxge_mdio_read(nxgep, phy_port_addr,
288 	    BCM8704_USER_DEV3_ADDR,
289 	    BCM8704_USER_ANALOG_STATUS0_REG, &val)) == NXGE_OK) {
290 		status = nxge_mdio_read(nxgep, phy_port_addr,
291 		    BCM8704_USER_DEV3_ADDR,
292 		    BCM8704_USER_TX_ALARM_STATUS_REG, &val1);
293 	}
294 	if (status != NXGE_OK) {
295 		NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
296 		    NXGE_FM_EREPORT_XAUI_ERR);
297 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
298 		    "XAUI is bad or absent on port<%d>\n", portn));
299 	} else if (nxgep->mac.portmode == PORT_10G_FIBER) {
300 		/*
301 		 * 0x03FC = 0000 0011 1111 1100 (XFP is normal)
302 		 * 0x639C = 0110 0011 1001 1100 (XFP has problem)
303 		 * bit14 = 1: PDM loss-of-light indicator
304 		 * bit13 = 1: PDM Rx loss-of-signal
305 		 * bit6  = 0: Light is NOT ok
306 		 * bit5  = 0: PMD Rx signal is NOT ok
307 		 */
308 		if (val == 0x639C) {
309 			NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
310 			    NXGE_FM_EREPORT_XFP_ERR);
311 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
312 			    "XFP is bad or absent on port<%d>\n", portn));
313 			status = NXGE_ERROR;
314 		}
315 	}
316 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_check_xaui_xfp"));
317 	return (status);
318 }
319 
320 
321 /* ARGSUSED */
322 uint_t
323 nxge_syserr_intr(void *arg1, void *arg2)
324 {
325 	p_nxge_ldv_t ldvp = (p_nxge_ldv_t)arg1;
326 	p_nxge_t nxgep = (p_nxge_t)arg2;
327 	p_nxge_ldg_t ldgp = NULL;
328 	npi_handle_t handle;
329 	sys_err_stat_t estat;
330 	uint_t serviced = DDI_INTR_UNCLAIMED;
331 
332 	if (arg1 == NULL && arg2 == NULL) {
333 		return (serviced);
334 	}
335 	if (arg2 == NULL || ((ldvp != NULL && (void *) ldvp->nxgep != arg2))) {
336 		if (ldvp != NULL) {
337 			nxgep = ldvp->nxgep;
338 		}
339 	}
340 	NXGE_DEBUG_MSG((nxgep, SYSERR_CTL,
341 		"==> nxge_syserr_intr: arg2 $%p arg1 $%p", nxgep, ldvp));
342 	if (ldvp != NULL && ldvp->use_timer == B_FALSE) {
343 		ldgp = ldvp->ldgp;
344 		if (ldgp == NULL) {
345 			NXGE_ERROR_MSG((nxgep, SYSERR_CTL,
346 				"<== nxge_syserrintr(no logical group): "
347 				"arg2 $%p arg1 $%p", nxgep, ldvp));
348 			return (DDI_INTR_UNCLAIMED);
349 		}
350 		/*
351 		 * Get the logical device state if the function uses interrupt.
352 		 */
353 	}
354 
355 	/* This interrupt handler is for system error interrupts.  */
356 	handle = NXGE_DEV_NPI_HANDLE(nxgep);
357 	estat.value = 0;
358 	(void) npi_fzc_sys_err_stat_get(handle, &estat);
359 	NXGE_DEBUG_MSG((nxgep, SYSERR_CTL,
360 		"==> nxge_syserr_intr: device error 0x%016llx", estat.value));
361 
362 	if (estat.bits.ldw.smx) {
363 		/* SMX */
364 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
365 			"==> nxge_syserr_intr: device error - SMX"));
366 	} else if (estat.bits.ldw.mac) {
367 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
368 			"==> nxge_syserr_intr: device error - MAC"));
369 		/*
370 		 * There is nothing to be done here. All MAC errors go to per
371 		 * MAC port interrupt. MIF interrupt is the only MAC sub-block
372 		 * that can generate status here. MIF status reported will be
373 		 * ignored here. It is checked by per port timer instead.
374 		 */
375 	} else if (estat.bits.ldw.ipp) {
376 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
377 			"==> nxge_syserr_intr: device error - IPP"));
378 		(void) nxge_ipp_handle_sys_errors(nxgep);
379 	} else if (estat.bits.ldw.zcp) {
380 		/* ZCP */
381 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
382 			"==> nxge_syserr_intr: device error - ZCP"));
383 		(void) nxge_zcp_handle_sys_errors(nxgep);
384 	} else if (estat.bits.ldw.tdmc) {
385 		/* TDMC */
386 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
387 			"==> nxge_syserr_intr: device error - TDMC"));
388 		/*
389 		 * There is no TDMC system errors defined in the PRM. All TDMC
390 		 * channel specific errors are reported on a per channel basis.
391 		 */
392 	} else if (estat.bits.ldw.rdmc) {
393 		/* RDMC */
394 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
395 			"==> nxge_syserr_intr: device error - RDMC"));
396 		(void) nxge_rxdma_handle_sys_errors(nxgep);
397 	} else if (estat.bits.ldw.txc) {
398 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
399 			"==> nxge_syserr_intr: device error - TXC"));
400 		(void) nxge_txc_handle_sys_errors(nxgep);
401 	} else if ((nxgep->niu_type != N2_NIU) && estat.bits.ldw.peu) {
402 		/* PCI-E */
403 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
404 			"==> nxge_syserr_intr: device error - PCI-E"));
405 	} else if (estat.bits.ldw.meta1) {
406 		/* META1 */
407 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
408 			"==> nxge_syserr_intr: device error - META1"));
409 	} else if (estat.bits.ldw.meta2) {
410 		/* META2 */
411 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
412 			"==> nxge_syserr_intr: device error - META2"));
413 	} else if (estat.bits.ldw.fflp) {
414 		/* FFLP */
415 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
416 			"==> nxge_syserr_intr: device error - FFLP"));
417 		(void) nxge_fflp_handle_sys_errors(nxgep);
418 	}
419 
420 	if (nxgep->mac.portmode == PORT_10G_FIBER ||
421 	    nxgep->mac.portmode == PORT_10G_COPPER) {
422 		if (nxge_check_xaui_xfp(nxgep) != NXGE_OK) {
423 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
424 			    "==> nxge_syserr_intr: device error - XAUI"));
425 		}
426 	}
427 
428 	serviced = DDI_INTR_CLAIMED;
429 
430 	if (ldgp != NULL && ldvp != NULL && ldgp->nldvs == 1 &&
431 		!ldvp->use_timer) {
432 		(void) npi_intr_ldg_mgmt_set(handle, ldgp->ldg,
433 			B_TRUE, ldgp->ldg_timer);
434 	}
435 	NXGE_DEBUG_MSG((nxgep, SYSERR_CTL, "<== nxge_syserr_intr"));
436 	return (serviced);
437 }
438 
439 /* ARGSUSED */
440 void
441 nxge_intr_hw_enable(p_nxge_t nxgep)
442 {
443 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr_hw_enable"));
444 	(void) nxge_intr_mask_mgmt_set(nxgep, B_TRUE);
445 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intr_hw_enable"));
446 }
447 
448 /* ARGSUSED */
449 void
450 nxge_intr_hw_disable(p_nxge_t nxgep)
451 {
452 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr_hw_disable"));
453 	(void) nxge_intr_mask_mgmt_set(nxgep, B_FALSE);
454 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intr_hw_disable"));
455 }
456 
457 /* ARGSUSED */
458 void
459 nxge_rx_hw_blank(void *arg, time_t ticks, uint_t count)
460 {
461 	p_nxge_t nxgep = (p_nxge_t)arg;
462 	uint8_t channel;
463 	npi_handle_t handle;
464 	p_nxge_ldgv_t ldgvp;
465 	p_nxge_ldv_t ldvp;
466 	int i;
467 
468 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_rx_hw_blank"));
469 	handle = NXGE_DEV_NPI_HANDLE(nxgep);
470 
471 	if ((ldgvp = nxgep->ldgvp) == NULL) {
472 		NXGE_ERROR_MSG((nxgep, INT_CTL,
473 			"<== nxge_rx_hw_blank (not enabled)"));
474 		return;
475 	}
476 	ldvp = nxgep->ldgvp->ldvp;
477 	if (ldvp == NULL) {
478 		return;
479 	}
480 	for (i = 0; i < ldgvp->nldvs; i++, ldvp++) {
481 		if (ldvp->is_rxdma) {
482 			channel = ldvp->channel;
483 			(void) npi_rxdma_cfg_rdc_rcr_threshold(handle,
484 				channel, count);
485 			(void) npi_rxdma_cfg_rdc_rcr_timeout(handle,
486 				channel, ticks);
487 		}
488 	}
489 
490 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_rx_hw_blank"));
491 }
492 
493 /* ARGSUSED */
494 void
495 nxge_hw_stop(p_nxge_t nxgep)
496 {
497 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_hw_stop"));
498 
499 	(void) nxge_tx_mac_disable(nxgep);
500 	(void) nxge_rx_mac_disable(nxgep);
501 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_STOP);
502 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_STOP);
503 
504 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_hw_stop"));
505 }
506 
507 /* ARGSUSED */
508 void
509 nxge_hw_ioctl(p_nxge_t nxgep, queue_t *wq, mblk_t *mp, struct iocblk *iocp)
510 {
511 	int cmd;
512 
513 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "==> nxge_hw_ioctl"));
514 
515 	if (nxgep == NULL) {
516 		miocnak(wq, mp, 0, EINVAL);
517 		return;
518 	}
519 	iocp->ioc_error = 0;
520 	cmd = iocp->ioc_cmd;
521 
522 	switch (cmd) {
523 	default:
524 		miocnak(wq, mp, 0, EINVAL);
525 		return;
526 
527 	case NXGE_GET_MII:
528 		nxge_get_mii(nxgep, mp->b_cont);
529 		miocack(wq, mp, sizeof (uint16_t), 0);
530 		break;
531 
532 	case NXGE_PUT_MII:
533 		nxge_put_mii(nxgep, mp->b_cont);
534 		miocack(wq, mp, 0, 0);
535 		break;
536 
537 	case NXGE_GET64:
538 		nxge_get64(nxgep, mp->b_cont);
539 		miocack(wq, mp, sizeof (uint32_t), 0);
540 		break;
541 
542 	case NXGE_PUT64:
543 		nxge_put64(nxgep, mp->b_cont);
544 		miocack(wq, mp, 0, 0);
545 		break;
546 
547 	case NXGE_PUT_TCAM:
548 		nxge_put_tcam(nxgep, mp->b_cont);
549 		miocack(wq, mp, 0, 0);
550 		break;
551 
552 	case NXGE_GET_TCAM:
553 		nxge_get_tcam(nxgep, mp->b_cont);
554 		miocack(wq, mp, 0, 0);
555 		break;
556 
557 	case NXGE_TX_REGS_DUMP:
558 		nxge_txdma_regs_dump_channels(nxgep);
559 		miocack(wq, mp, 0, 0);
560 		break;
561 	case NXGE_RX_REGS_DUMP:
562 		nxge_rxdma_regs_dump_channels(nxgep);
563 		miocack(wq, mp, 0, 0);
564 		break;
565 	case NXGE_VIR_INT_REGS_DUMP:
566 	case NXGE_INT_REGS_DUMP:
567 		nxge_virint_regs_dump(nxgep);
568 		miocack(wq, mp, 0, 0);
569 		break;
570 	case NXGE_RTRACE:
571 		nxge_rtrace_ioctl(nxgep, wq, mp, iocp);
572 		break;
573 	}
574 }
575 
576 /* ARGSUSED */
577 void
578 nxge_loopback_ioctl(p_nxge_t nxgep, queue_t *wq, mblk_t *mp,
579 	struct iocblk *iocp)
580 {
581 	p_lb_property_t lb_props;
582 
583 	size_t size;
584 	int i;
585 
586 	if (mp->b_cont == NULL) {
587 		miocnak(wq, mp, 0, EINVAL);
588 	}
589 	switch (iocp->ioc_cmd) {
590 	case LB_GET_MODE:
591 		NXGE_DEBUG_MSG((nxgep, IOC_CTL, "NXGE_GET_LB_MODE command"));
592 		if (nxgep != NULL) {
593 			*(lb_info_sz_t *)mp->b_cont->b_rptr =
594 				nxgep->statsp->port_stats.lb_mode;
595 			miocack(wq, mp, sizeof (nxge_lb_t), 0);
596 		} else {
597 			miocnak(wq, mp, 0, EINVAL);
598 		}
599 		break;
600 	case LB_SET_MODE:
601 		NXGE_DEBUG_MSG((nxgep, IOC_CTL, "NXGE_SET_LB_MODE command"));
602 		if (iocp->ioc_count != sizeof (uint32_t)) {
603 			miocack(wq, mp, 0, 0);
604 			break;
605 		}
606 		if ((nxgep != NULL) && nxge_set_lb(nxgep, wq, mp->b_cont)) {
607 			miocack(wq, mp, 0, 0);
608 		} else {
609 			miocnak(wq, mp, 0, EPROTO);
610 		}
611 		break;
612 	case LB_GET_INFO_SIZE:
613 		NXGE_DEBUG_MSG((nxgep, IOC_CTL, "LB_GET_INFO_SIZE command"));
614 		if (nxgep != NULL) {
615 			size = sizeof (lb_normal);
616 			if (nxgep->statsp->mac_stats.cap_10gfdx) {
617 				size += sizeof (lb_external10g);
618 				size += sizeof (lb_mac10g);
619 				/* Publish PHY loopback if PHY is present */
620 				if (nxgep->mac.portmode == PORT_10G_COPPER ||
621 				    nxgep->mac.portmode == PORT_10G_FIBER)
622 					size += sizeof (lb_phy10g);
623 			}
624 			if (nxgep->mac.portmode == PORT_10G_FIBER ||
625 			    nxgep->mac.portmode == PORT_10G_SERDES)
626 				size += sizeof (lb_serdes10g);
627 
628 			if (nxgep->statsp->mac_stats.cap_1000fdx) {
629 				size += sizeof (lb_external1000);
630 				size += sizeof (lb_mac1000);
631 				if ((nxgep->mac.portmode == PORT_1G_COPPER) ||
632 				    (nxgep->mac.portmode ==
633 				    PORT_1G_RGMII_FIBER))
634 					size += sizeof (lb_phy1000);
635 			}
636 			if (nxgep->statsp->mac_stats.cap_100fdx)
637 				size += sizeof (lb_external100);
638 			if (nxgep->statsp->mac_stats.cap_10fdx)
639 				size += sizeof (lb_external10);
640 			if (nxgep->mac.portmode == PORT_1G_FIBER ||
641 			    nxgep->mac.portmode == PORT_1G_SERDES)
642 				size += sizeof (lb_serdes1000);
643 
644 			*(lb_info_sz_t *)mp->b_cont->b_rptr = size;
645 
646 			NXGE_DEBUG_MSG((nxgep, IOC_CTL,
647 				"NXGE_GET_LB_INFO command: size %d", size));
648 			miocack(wq, mp, sizeof (lb_info_sz_t), 0);
649 		} else
650 			miocnak(wq, mp, 0, EINVAL);
651 		break;
652 
653 	case LB_GET_INFO:
654 		NXGE_DEBUG_MSG((nxgep, IOC_CTL, "NXGE_GET_LB_INFO command"));
655 		if (nxgep != NULL) {
656 			size = sizeof (lb_normal);
657 			if (nxgep->statsp->mac_stats.cap_10gfdx) {
658 				size += sizeof (lb_external10g);
659 				size += sizeof (lb_mac10g);
660 				/* Publish PHY loopback if PHY is present */
661 				if (nxgep->mac.portmode == PORT_10G_COPPER ||
662 				    nxgep->mac.portmode == PORT_10G_FIBER)
663 					size += sizeof (lb_phy10g);
664 			}
665 			if (nxgep->mac.portmode == PORT_10G_FIBER ||
666 			    nxgep->mac.portmode == PORT_10G_SERDES)
667 				size += sizeof (lb_serdes10g);
668 
669 			if (nxgep->statsp->mac_stats.cap_1000fdx) {
670 				size += sizeof (lb_external1000);
671 				size += sizeof (lb_mac1000);
672 				if ((nxgep->mac.portmode == PORT_1G_COPPER) ||
673 				    (nxgep->mac.portmode ==
674 				    PORT_1G_RGMII_FIBER))
675 					size += sizeof (lb_phy1000);
676 			}
677 			if (nxgep->statsp->mac_stats.cap_100fdx)
678 				size += sizeof (lb_external100);
679 			if (nxgep->statsp->mac_stats.cap_10fdx)
680 				size += sizeof (lb_external10);
681 			if (nxgep->mac.portmode == PORT_1G_FIBER ||
682 			    nxgep->mac.portmode == PORT_1G_SERDES)
683 				size += sizeof (lb_serdes1000);
684 
685 			NXGE_DEBUG_MSG((nxgep, IOC_CTL,
686 				"NXGE_GET_LB_INFO command: size %d", size));
687 			if (size == iocp->ioc_count) {
688 				i = 0;
689 				lb_props = (p_lb_property_t)mp->b_cont->b_rptr;
690 				lb_props[i++] = lb_normal;
691 				if (nxgep->statsp->mac_stats.cap_10gfdx) {
692 					lb_props[i++] = lb_mac10g;
693 					if (nxgep->mac.portmode ==
694 					    PORT_10G_COPPER ||
695 					    nxgep->mac.portmode ==
696 					    PORT_10G_FIBER)
697 						lb_props[i++] = lb_phy10g;
698 					lb_props[i++] = lb_external10g;
699 				}
700 				if (nxgep->mac.portmode == PORT_10G_FIBER ||
701 				    nxgep->mac.portmode == PORT_10G_SERDES)
702 					lb_props[i++] = lb_serdes10g;
703 
704 				if (nxgep->statsp->mac_stats.cap_1000fdx)
705 					lb_props[i++] = lb_external1000;
706 				if (nxgep->statsp->mac_stats.cap_100fdx)
707 					lb_props[i++] = lb_external100;
708 				if (nxgep->statsp->mac_stats.cap_10fdx)
709 					lb_props[i++] = lb_external10;
710 				if (nxgep->statsp->mac_stats.cap_1000fdx)
711 					lb_props[i++] = lb_mac1000;
712 				if ((nxgep->mac.portmode == PORT_1G_COPPER) ||
713 				    (nxgep->mac.portmode ==
714 				    PORT_1G_RGMII_FIBER)) {
715 					if (nxgep->statsp->mac_stats.
716 						cap_1000fdx)
717 						lb_props[i++] = lb_phy1000;
718 				} else if ((nxgep->mac.portmode ==
719 				    PORT_1G_FIBER) ||
720 				    (nxgep->mac.portmode == PORT_1G_SERDES)) {
721 					lb_props[i++] = lb_serdes1000;
722 				}
723 				miocack(wq, mp, size, 0);
724 			} else
725 				miocnak(wq, mp, 0, EINVAL);
726 		} else {
727 			miocnak(wq, mp, 0, EINVAL);
728 			cmn_err(CE_NOTE, "!nxge_hw_ioctl: invalid command 0x%x",
729 				iocp->ioc_cmd);
730 		}
731 		break;
732 	}
733 }
734 
735 /*
736  * DMA channel interfaces to access various channel specific
737  * hardware functions.
738  */
739 /* ARGSUSED */
740 void
741 nxge_rxdma_channel_put64(nxge_os_acc_handle_t handle, void *reg_addrp,
742 	uint32_t reg_base, uint16_t channel, uint64_t reg_data)
743 {
744 	uint64_t reg_offset;
745 
746 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_rxdma_channel_put64"));
747 
748 	/*
749 	 * Channel is assumed to be from 0 to the maximum DMA channel #. If we
750 	 * use the virtual DMA CSR address space from the config space (in PCI
751 	 * case), then the following code need to be use different offset
752 	 * computation macro.
753 	 */
754 	reg_offset = reg_base + DMC_OFFSET(channel);
755 	NXGE_PIO_WRITE64(handle, reg_addrp, reg_offset, reg_data);
756 
757 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_rxdma_channel_put64"));
758 }
759 
760 /* ARGSUSED */
761 uint64_t
762 nxge_rxdma_channel_get64(nxge_os_acc_handle_t handle, void *reg_addrp,
763 	uint32_t reg_base, uint16_t channel)
764 {
765 	uint64_t reg_offset;
766 
767 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_rxdma_channel_get64"));
768 
769 	/*
770 	 * Channel is assumed to be from 0 to the maximum DMA channel #. If we
771 	 * use the virtual DMA CSR address space from the config space (in PCI
772 	 * case), then the following code need to be use different offset
773 	 * computation macro.
774 	 */
775 	reg_offset = reg_base + DMC_OFFSET(channel);
776 
777 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_rxdma_channel_get64"));
778 
779 	return (NXGE_PIO_READ64(handle, reg_addrp, reg_offset));
780 }
781 
782 /* ARGSUSED */
783 void
784 nxge_get32(p_nxge_t nxgep, p_mblk_t mp)
785 {
786 	nxge_os_acc_handle_t nxge_regh;
787 
788 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "nxge_get32"));
789 	nxge_regh = nxgep->dev_regs->nxge_regh;
790 
791 	*(uint32_t *)mp->b_rptr = NXGE_PIO_READ32(nxge_regh,
792 		nxgep->dev_regs->nxge_regp, *(uint32_t *)mp->b_rptr);
793 
794 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "value = 0x%08X",
795 		*(uint32_t *)mp->b_rptr));
796 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "nxge_get32"));
797 }
798 
799 /* ARGSUSED */
800 void
801 nxge_put32(p_nxge_t nxgep, p_mblk_t mp)
802 {
803 	nxge_os_acc_handle_t nxge_regh;
804 	uint32_t *buf;
805 	uint8_t *reg;
806 
807 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "nxge_put32"));
808 	nxge_regh = nxgep->dev_regs->nxge_regh;
809 
810 	buf = (uint32_t *)mp->b_rptr;
811 	reg = (uint8_t *)(nxgep->dev_regs->nxge_regp) + buf[0];
812 	NXGE_DEBUG_MSG((nxgep, IOC_CTL,
813 		"reg = 0x%016llX index = 0x%08X value = 0x%08X",
814 		reg, buf[0], buf[1]));
815 	NXGE_PIO_WRITE32(nxge_regh, (uint32_t *)reg, 0, buf[1]);
816 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "nxge_put32"));
817 }
818 
819 /*ARGSUSED*/
820 boolean_t
821 nxge_set_lb(p_nxge_t nxgep, queue_t *wq, p_mblk_t mp)
822 {
823 	boolean_t status = B_TRUE;
824 	uint32_t lb_mode;
825 	lb_property_t *lb_info;
826 
827 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "<== nxge_set_lb"));
828 	lb_mode = nxgep->statsp->port_stats.lb_mode;
829 	if (lb_mode == *(uint32_t *)mp->b_rptr) {
830 		cmn_err(CE_NOTE,
831 			"!nxge%d: Loopback mode already set (lb_mode %d).\n",
832 			nxgep->instance, lb_mode);
833 		status = B_FALSE;
834 		goto nxge_set_lb_exit;
835 	}
836 	lb_mode = *(uint32_t *)mp->b_rptr;
837 	lb_info = NULL;
838 	if (lb_mode == lb_normal.value)
839 		lb_info = &lb_normal;
840 	else if ((lb_mode == lb_external10g.value) &&
841 		(nxgep->statsp->mac_stats.cap_10gfdx))
842 		lb_info = &lb_external10g;
843 	else if ((lb_mode == lb_external1000.value) &&
844 		(nxgep->statsp->mac_stats.cap_1000fdx))
845 		lb_info = &lb_external1000;
846 	else if ((lb_mode == lb_external100.value) &&
847 		(nxgep->statsp->mac_stats.cap_100fdx))
848 		lb_info = &lb_external100;
849 	else if ((lb_mode == lb_external10.value) &&
850 		(nxgep->statsp->mac_stats.cap_10fdx))
851 		lb_info = &lb_external10;
852 	else if ((lb_mode == lb_phy10g.value) &&
853 			((nxgep->mac.portmode == PORT_10G_COPPER) ||
854 			(nxgep->mac.portmode == PORT_10G_FIBER)))
855 		lb_info = &lb_phy10g;
856 	else if ((lb_mode == lb_phy1000.value) &&
857 	    ((nxgep->mac.portmode == PORT_1G_COPPER) ||
858 	    (nxgep->mac.portmode == PORT_1G_RGMII_FIBER)))
859 		lb_info = &lb_phy1000;
860 	else if ((lb_mode == lb_phy.value) &&
861 		(nxgep->mac.portmode == PORT_1G_COPPER))
862 		lb_info = &lb_phy;
863 	else if ((lb_mode == lb_serdes10g.value) &&
864 	    ((nxgep->mac.portmode == PORT_10G_FIBER) ||
865 	    (nxgep->mac.portmode == PORT_10G_COPPER) ||
866 	    (nxgep->mac.portmode == PORT_10G_SERDES)))
867 		lb_info = &lb_serdes10g;
868 	else if ((lb_mode == lb_serdes1000.value) &&
869 	    (nxgep->mac.portmode == PORT_1G_FIBER ||
870 	    (nxgep->mac.portmode == PORT_1G_SERDES)))
871 		lb_info = &lb_serdes1000;
872 	else if (lb_mode == lb_mac10g.value)
873 		lb_info = &lb_mac10g;
874 	else if (lb_mode == lb_mac1000.value)
875 		lb_info = &lb_mac1000;
876 	else if (lb_mode == lb_mac.value)
877 		lb_info = &lb_mac;
878 	else {
879 		cmn_err(CE_NOTE,
880 			"!nxge%d: Loopback mode not supported(mode %d).\n",
881 			nxgep->instance, lb_mode);
882 		status = B_FALSE;
883 		goto nxge_set_lb_exit;
884 	}
885 
886 	if (lb_mode == nxge_lb_normal) {
887 		if (nxge_lb_dbg) {
888 			cmn_err(CE_NOTE,
889 				"!nxge%d: Returning to normal operation",
890 				nxgep->instance);
891 		}
892 		if (nxge_set_lb_normal(nxgep) != NXGE_OK) {
893 			status = B_FALSE;
894 			cmn_err(CE_NOTE,
895 			    "!nxge%d: Failed to return to normal operation",
896 			    nxgep->instance);
897 		}
898 		goto nxge_set_lb_exit;
899 	}
900 	nxgep->statsp->port_stats.lb_mode = lb_mode;
901 
902 	if (nxge_lb_dbg)
903 		cmn_err(CE_NOTE,
904 			"!nxge%d: Adapter now in %s loopback mode",
905 			nxgep->instance, lb_info->key);
906 	nxgep->param_arr[param_autoneg].value = 0;
907 	nxgep->param_arr[param_anar_10gfdx].value =
908 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_ext10g) ||
909 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_mac10g) ||
910 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_phy10g) ||
911 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_serdes10g);
912 	nxgep->param_arr[param_anar_10ghdx].value = 0;
913 	nxgep->param_arr[param_anar_1000fdx].value =
914 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_ext1000) ||
915 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_mac1000) ||
916 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_phy1000) ||
917 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_serdes1000);
918 	nxgep->param_arr[param_anar_1000hdx].value = 0;
919 	nxgep->param_arr[param_anar_100fdx].value =
920 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_phy) ||
921 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_mac) ||
922 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_ext100);
923 	nxgep->param_arr[param_anar_100hdx].value = 0;
924 	nxgep->param_arr[param_anar_10fdx].value =
925 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_mac) ||
926 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_ext10);
927 	if (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext1000) {
928 		nxgep->param_arr[param_master_cfg_enable].value = 1;
929 		nxgep->param_arr[param_master_cfg_value].value = 1;
930 	}
931 	if ((nxgep->statsp->port_stats.lb_mode == nxge_lb_ext10g) ||
932 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_ext1000) ||
933 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_ext100) ||
934 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_ext10) ||
935 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_phy10g) ||
936 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_phy1000) ||
937 		(nxgep->statsp->port_stats.lb_mode == nxge_lb_phy)) {
938 
939 		if (nxge_link_monitor(nxgep, LINK_MONITOR_STOP) != NXGE_OK)
940 			goto nxge_set_lb_err;
941 		if (nxge_xcvr_find(nxgep) != NXGE_OK)
942 			goto nxge_set_lb_err;
943 		if (nxge_link_init(nxgep) != NXGE_OK)
944 			goto nxge_set_lb_err;
945 		if (nxge_link_monitor(nxgep, LINK_MONITOR_START) != NXGE_OK)
946 			goto nxge_set_lb_err;
947 	}
948 	if (lb_info->lb_type == internal) {
949 		if ((nxgep->statsp->port_stats.lb_mode == nxge_lb_mac10g) ||
950 				(nxgep->statsp->port_stats.lb_mode ==
951 				nxge_lb_phy10g) ||
952 				(nxgep->statsp->port_stats.lb_mode ==
953 				nxge_lb_serdes10g)) {
954 			nxgep->statsp->mac_stats.link_speed = 10000;
955 		} else if ((nxgep->statsp->port_stats.lb_mode
956 				== nxge_lb_mac1000) ||
957 				(nxgep->statsp->port_stats.lb_mode ==
958 				nxge_lb_phy1000) ||
959 				(nxgep->statsp->port_stats.lb_mode ==
960 				nxge_lb_serdes1000)) {
961 			nxgep->statsp->mac_stats.link_speed = 1000;
962 		} else {
963 			nxgep->statsp->mac_stats.link_speed = 100;
964 		}
965 		nxgep->statsp->mac_stats.link_duplex = 2;
966 		nxgep->statsp->mac_stats.link_up = 1;
967 	}
968 	if (nxge_global_reset(nxgep) != NXGE_OK)
969 		goto nxge_set_lb_err;
970 
971 nxge_set_lb_exit:
972 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
973 		"<== nxge_set_lb status = 0x%08x", status));
974 	return (status);
975 nxge_set_lb_err:
976 	status = B_FALSE;
977 	cmn_err(CE_NOTE,
978 	    "!nxge%d: Failed to put adapter in %s loopback mode",
979 	    nxgep->instance, lb_info->key);
980 	return (status);
981 }
982 
983 /* ARGSUSED */
984 nxge_status_t
985 nxge_set_lb_normal(p_nxge_t nxgep)
986 {
987 	nxge_status_t	status = NXGE_OK;
988 
989 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_set_lb_normal"));
990 
991 	nxgep->statsp->port_stats.lb_mode = nxge_lb_normal;
992 	nxgep->param_arr[param_autoneg].value =
993 		nxgep->param_arr[param_autoneg].old_value;
994 	nxgep->param_arr[param_anar_1000fdx].value =
995 		nxgep->param_arr[param_anar_1000fdx].old_value;
996 	nxgep->param_arr[param_anar_1000hdx].value =
997 		nxgep->param_arr[param_anar_1000hdx].old_value;
998 	nxgep->param_arr[param_anar_100fdx].value =
999 		nxgep->param_arr[param_anar_100fdx].old_value;
1000 	nxgep->param_arr[param_anar_100hdx].value =
1001 		nxgep->param_arr[param_anar_100hdx].old_value;
1002 	nxgep->param_arr[param_anar_10fdx].value =
1003 		nxgep->param_arr[param_anar_10fdx].old_value;
1004 	nxgep->param_arr[param_master_cfg_enable].value =
1005 		nxgep->param_arr[param_master_cfg_enable].old_value;
1006 	nxgep->param_arr[param_master_cfg_value].value =
1007 		nxgep->param_arr[param_master_cfg_value].old_value;
1008 
1009 	if ((status = nxge_global_reset(nxgep)) != NXGE_OK)
1010 		return (status);
1011 
1012 	if ((status = nxge_link_monitor(nxgep, LINK_MONITOR_STOP)) != NXGE_OK)
1013 		return (status);
1014 	if ((status = nxge_xcvr_find(nxgep)) != NXGE_OK)
1015 		return (status);
1016 	if ((status = nxge_link_init(nxgep)) != NXGE_OK)
1017 		return (status);
1018 	status = nxge_link_monitor(nxgep, LINK_MONITOR_START);
1019 
1020 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_set_lb_normal"));
1021 
1022 	return (status);
1023 }
1024 
1025 /* ARGSUSED */
1026 void
1027 nxge_get_mii(p_nxge_t nxgep, p_mblk_t mp)
1028 {
1029 	uint16_t reg;
1030 
1031 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "==> nxge_get_mii"));
1032 
1033 	reg = *(uint16_t *)mp->b_rptr;
1034 	(void) nxge_mii_read(nxgep, nxgep->statsp->mac_stats.xcvr_portn, reg,
1035 		(uint16_t *)mp->b_rptr);
1036 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "reg = 0x%08X value = 0x%04X",
1037 		reg, *(uint16_t *)mp->b_rptr));
1038 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "<== nxge_get_mii"));
1039 }
1040 
1041 /* ARGSUSED */
1042 void
1043 nxge_put_mii(p_nxge_t nxgep, p_mblk_t mp)
1044 {
1045 	uint16_t *buf;
1046 	uint8_t reg;
1047 
1048 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "==> nxge_put_mii"));
1049 	buf = (uint16_t *)mp->b_rptr;
1050 	reg = (uint8_t)buf[0];
1051 	NXGE_DEBUG_MSG((nxgep, IOC_CTL,
1052 		"reg = 0x%08X index = 0x%08X value = 0x%08X",
1053 		reg, buf[0], buf[1]));
1054 	(void) nxge_mii_write(nxgep, nxgep->statsp->mac_stats.xcvr_portn,
1055 		reg, buf[1]);
1056 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "<== nxge_put_mii"));
1057 }
1058 
1059 /* ARGSUSED */
1060 void
1061 nxge_check_hw_state(p_nxge_t nxgep)
1062 {
1063 	p_nxge_ldgv_t ldgvp;
1064 	p_nxge_ldv_t t_ldvp;
1065 
1066 	NXGE_DEBUG_MSG((nxgep, SYSERR_CTL, "==> nxge_check_hw_state"));
1067 
1068 	MUTEX_ENTER(nxgep->genlock);
1069 	nxgep->nxge_timerid = 0;
1070 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
1071 		goto nxge_check_hw_state_exit;
1072 	}
1073 	nxge_check_tx_hang(nxgep);
1074 
1075 	ldgvp = nxgep->ldgvp;
1076 	if (ldgvp == NULL || (ldgvp->ldvp_syserr == NULL)) {
1077 		NXGE_ERROR_MSG((nxgep, SYSERR_CTL, "<== nxge_check_hw_state: "
1078 				"NULL ldgvp (interrupt not ready)."));
1079 		goto nxge_check_hw_state_exit;
1080 	}
1081 	t_ldvp = ldgvp->ldvp_syserr;
1082 	if (!t_ldvp->use_timer) {
1083 		NXGE_DEBUG_MSG((nxgep, SYSERR_CTL, "<== nxge_check_hw_state: "
1084 				"ldgvp $%p t_ldvp $%p use_timer flag %d",
1085 				ldgvp, t_ldvp, t_ldvp->use_timer));
1086 		goto nxge_check_hw_state_exit;
1087 	}
1088 	if (fm_check_acc_handle(nxgep->dev_regs->nxge_regh) != DDI_FM_OK) {
1089 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1090 			"port%d Bad register acc handle", nxgep->mac.portnum));
1091 	}
1092 	(void) nxge_syserr_intr((void *) t_ldvp, (void *) nxgep);
1093 
1094 	nxgep->nxge_timerid = nxge_start_timer(nxgep, nxge_check_hw_state,
1095 		NXGE_CHECK_TIMER);
1096 
1097 nxge_check_hw_state_exit:
1098 	MUTEX_EXIT(nxgep->genlock);
1099 	NXGE_DEBUG_MSG((nxgep, SYSERR_CTL, "<== nxge_check_hw_state"));
1100 }
1101 
1102 /*ARGSUSED*/
1103 static void
1104 nxge_rtrace_ioctl(p_nxge_t nxgep, queue_t *wq, mblk_t *mp,
1105 	struct iocblk *iocp)
1106 {
1107 	ssize_t size;
1108 	rtrace_t *rtp;
1109 	mblk_t *nmp;
1110 	uint32_t i, j;
1111 	uint32_t start_blk;
1112 	uint32_t base_entry;
1113 	uint32_t num_entries;
1114 
1115 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_rtrace_ioctl"));
1116 
1117 	size = 1024;
1118 	if (mp->b_cont == NULL || MBLKL(mp->b_cont) < size) {
1119 		NXGE_DEBUG_MSG((nxgep, STR_CTL,
1120 				"malformed M_IOCTL MBLKL = %d size = %d",
1121 				MBLKL(mp->b_cont), size));
1122 		miocnak(wq, mp, 0, EINVAL);
1123 		return;
1124 	}
1125 	nmp = mp->b_cont;
1126 	rtp = (rtrace_t *)nmp->b_rptr;
1127 	start_blk = rtp->next_idx;
1128 	num_entries = rtp->last_idx;
1129 	base_entry = start_blk * MAX_RTRACE_IOC_ENTRIES;
1130 
1131 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "start_blk = %d\n", start_blk));
1132 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "num_entries = %d\n", num_entries));
1133 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "base_entry = %d\n", base_entry));
1134 
1135 	rtp->next_idx = npi_rtracebuf.next_idx;
1136 	rtp->last_idx = npi_rtracebuf.last_idx;
1137 	rtp->wrapped = npi_rtracebuf.wrapped;
1138 	for (i = 0, j = base_entry; i < num_entries; i++, j++) {
1139 		rtp->buf[i].ctl_addr = npi_rtracebuf.buf[j].ctl_addr;
1140 		rtp->buf[i].val_l32 = npi_rtracebuf.buf[j].val_l32;
1141 		rtp->buf[i].val_h32 = npi_rtracebuf.buf[j].val_h32;
1142 	}
1143 
1144 	nmp->b_wptr = nmp->b_rptr + size;
1145 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "<== nxge_rtrace_ioctl"));
1146 	miocack(wq, mp, (int)size, 0);
1147 }
1148