xref: /titanic_41/usr/src/uts/common/io/nxge/nxge_hw.c (revision 629270abbcc9bcad8f09aeb9500f67a1933334d1)
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 	/*
107 	 * Set the maxframe size to 1522 (1518 + 4) to account for
108 	 * VLAN tagged packets.
109 	 */
110 	nxgep->mac.minframesize = NXGE_MIN_MAC_FRAMESIZE; /* 64   */
111 	nxgep->mac.maxframesize = NXGE_MAX_MAC_FRAMESIZE; /* 1522 */
112 	if (nxgep->param_arr[param_accept_jumbo].value || nxge_jumbo_enable) {
113 		nxgep->mac.maxframesize = (uint16_t)nxge_jumbo_mtu;
114 		nxgep->mac.is_jumbo = B_TRUE;
115 	}
116 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
117 	    "==> nxge_hw_id_init: maxframesize %d",
118 	    nxgep->mac.maxframesize));
119 
120 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_hw_id_init"));
121 }
122 
123 /* ARGSUSED */
124 void
125 nxge_hw_init_niu_common(p_nxge_t nxgep)
126 {
127 	p_nxge_hw_list_t hw_p;
128 
129 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_hw_init_niu_common"));
130 
131 	if ((hw_p = nxgep->nxge_hw_p) == NULL) {
132 		return;
133 	}
134 	MUTEX_ENTER(&hw_p->nxge_cfg_lock);
135 	if (hw_p->flags & COMMON_INIT_DONE) {
136 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
137 		    "nxge_hw_init_niu_common"
138 		    " already done for dip $%p function %d exiting",
139 		    hw_p->parent_devp, nxgep->function_num));
140 		MUTEX_EXIT(&hw_p->nxge_cfg_lock);
141 		return;
142 	}
143 
144 	hw_p->flags = COMMON_INIT_START;
145 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "nxge_hw_init_niu_common"
146 	    " Started for device id %x with function %d",
147 	    hw_p->parent_devp, nxgep->function_num));
148 
149 	/* per neptune common block init */
150 	(void) nxge_fflp_hw_reset(nxgep);
151 
152 	hw_p->flags = COMMON_INIT_DONE;
153 	MUTEX_EXIT(&hw_p->nxge_cfg_lock);
154 
155 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "nxge_hw_init_niu_common"
156 	    " Done for device id %x with function %d",
157 	    hw_p->parent_devp, nxgep->function_num));
158 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_hw_init_niu_common"));
159 }
160 
161 /* ARGSUSED */
162 uint_t
163 nxge_intr(void *arg1, void *arg2)
164 {
165 	p_nxge_ldv_t ldvp = (p_nxge_ldv_t)arg1;
166 	p_nxge_t nxgep = (p_nxge_t)arg2;
167 	uint_t serviced = DDI_INTR_UNCLAIMED;
168 	uint8_t ldv;
169 	npi_handle_t handle;
170 	p_nxge_ldgv_t ldgvp;
171 	p_nxge_ldg_t ldgp, t_ldgp;
172 	p_nxge_ldv_t t_ldvp;
173 	uint64_t vector0 = 0, vector1 = 0, vector2 = 0;
174 	int i, j, nldvs, nintrs = 1;
175 	npi_status_t rs = NPI_SUCCESS;
176 
177 	/* DDI interface returns second arg as NULL (n2 niumx driver) !!! */
178 	if (arg2 == NULL || (void *) ldvp->nxgep != arg2) {
179 		nxgep = ldvp->nxgep;
180 	}
181 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr"));
182 
183 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
184 		NXGE_ERROR_MSG((nxgep, INT_CTL,
185 		    "<== nxge_intr: not initialized 0x%x", serviced));
186 		return (serviced);
187 	}
188 
189 	ldgvp = nxgep->ldgvp;
190 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: ldgvp $%p", ldgvp));
191 	if (ldvp == NULL && ldgvp) {
192 		t_ldvp = ldvp = ldgvp->ldvp;
193 	}
194 	if (ldvp) {
195 		ldgp = t_ldgp = ldvp->ldgp;
196 	}
197 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: "
198 	    "ldgvp $%p ldvp $%p ldgp $%p", ldgvp, ldvp, ldgp));
199 	if (ldgvp == NULL || ldvp == NULL || ldgp == NULL) {
200 		NXGE_ERROR_MSG((nxgep, INT_CTL, "==> nxge_intr: "
201 		    "ldgvp $%p ldvp $%p ldgp $%p", ldgvp, ldvp, ldgp));
202 		NXGE_ERROR_MSG((nxgep, INT_CTL, "<== nxge_intr: not ready"));
203 		return (DDI_INTR_UNCLAIMED);
204 	}
205 	/*
206 	 * This interrupt handler will have to go through all the logical
207 	 * devices to find out which logical device interrupts us and then call
208 	 * its handler to process the events.
209 	 */
210 	handle = NXGE_DEV_NPI_HANDLE(nxgep);
211 	t_ldgp = ldgp;
212 	t_ldvp = ldgp->ldvp;
213 
214 	nldvs = ldgp->nldvs;
215 
216 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: #ldvs %d #intrs %d",
217 	    nldvs, ldgvp->ldg_intrs));
218 
219 	serviced = DDI_INTR_CLAIMED;
220 	for (i = 0; i < nintrs; i++, t_ldgp++) {
221 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr(%d): #ldvs %d "
222 		    " #intrs %d", i, nldvs, nintrs));
223 		/* Get this group's flag bits.  */
224 		t_ldgp->interrupted = B_FALSE;
225 		rs = npi_ldsv_ldfs_get(handle, t_ldgp->ldg,
226 		    &vector0, &vector1, &vector2);
227 		if (rs) {
228 			continue;
229 		}
230 		if (!vector0 && !vector1 && !vector2) {
231 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: "
232 			    "no interrupts on group %d", t_ldgp->ldg));
233 			continue;
234 		}
235 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: "
236 		    "vector0 0x%llx vector1 0x%llx vector2 0x%llx",
237 		    vector0, vector1, vector2));
238 		t_ldgp->interrupted = B_TRUE;
239 		nldvs = t_ldgp->nldvs;
240 		for (j = 0; j < nldvs; j++, t_ldvp++) {
241 			/*
242 			 * Call device's handler if flag bits are on.
243 			 */
244 			ldv = t_ldvp->ldv;
245 			if (((ldv < NXGE_MAC_LD_START) &&
246 			    (LDV_ON(ldv, vector0) |
247 			    (LDV_ON(ldv, vector1)))) ||
248 			    (ldv >= NXGE_MAC_LD_START &&
249 			    ((LDV2_ON_1(ldv, vector2)) ||
250 			    (LDV2_ON_2(ldv, vector2))))) {
251 				(void) (t_ldvp->ldv_intr_handler)(
252 				    (caddr_t)t_ldvp, arg2);
253 				NXGE_DEBUG_MSG((nxgep, INT_CTL,
254 				    "==> nxge_intr: "
255 				    "calling device %d #ldvs %d #intrs %d",
256 				    j, nldvs, nintrs));
257 			}
258 		}
259 	}
260 
261 	t_ldgp = ldgp;
262 	for (i = 0; i < nintrs; i++, t_ldgp++) {
263 		/* rearm group interrupts */
264 		if (t_ldgp->interrupted) {
265 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: arm "
266 			    "group %d", t_ldgp->ldg));
267 			(void) npi_intr_ldg_mgmt_set(handle, t_ldgp->ldg,
268 			    t_ldgp->arm, t_ldgp->ldg_timer);
269 		}
270 	}
271 
272 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intr: serviced 0x%x",
273 	    serviced));
274 	return (serviced);
275 }
276 
277 
278 /*
279  * XFP Related Status Register Values Under 3 Different Conditions
280  *
281  * -------------+-------------------------+-------------------------
282  * 		|   Intel XFP and Avago   |	 Picolight XFP
283  * -------------+---------+---------------+---------+---------------
284  *		| STATUS0 | TX_ALARM_STAT | STATUS0 | TX_ALARM_STAT
285  * -------------+---------+---------------+---------+---------------
286  *	No XFP  | 0x639C  |      0x40     | 0x639C  |      0x40
287  * -------------+---------+---------------+---------+---------------
288  * XFP,linkdown | 0x43BC  |      0x40     | 0x639C  |      0x40
289  * -------------+---------+---------------+---------+---------------
290  * XFP,linkup   | 0x03FC  |      0x0      | 0x03FC  |      0x0
291  * -------------+---------+---------------+---------+---------------
292  * Note:
293  *      STATUS0         = BCM8704_USER_ANALOG_STATUS0_REG
294  *      TX_ALARM_STAT   = BCM8704_USER_TX_ALARM_STATUS_REG
295  */
296 /* ARGSUSED */
297 static nxge_status_t
298 nxge_check_xaui_xfp(p_nxge_t nxgep)
299 {
300 	nxge_status_t	status = NXGE_OK;
301 	uint8_t		phy_port_addr;
302 	uint16_t	val;
303 	uint16_t	val1;
304 	uint8_t		portn;
305 
306 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_check_xaui_xfp"));
307 
308 	portn = nxgep->mac.portnum;
309 	phy_port_addr = nxgep->statsp->mac_stats.xcvr_portn;
310 
311 	/*
312 	 * Keep the val1 code even though it is not used. Could be
313 	 * used to differenciate the "No XFP" case and "XFP,linkdown"
314 	 * case when a Intel XFP is used.
315 	 */
316 	if ((status = nxge_mdio_read(nxgep, phy_port_addr,
317 	    BCM8704_USER_DEV3_ADDR,
318 	    BCM8704_USER_ANALOG_STATUS0_REG, &val)) == NXGE_OK) {
319 		status = nxge_mdio_read(nxgep, phy_port_addr,
320 		    BCM8704_USER_DEV3_ADDR,
321 		    BCM8704_USER_TX_ALARM_STATUS_REG, &val1);
322 	}
323 
324 	if (status != NXGE_OK) {
325 		NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
326 		    NXGE_FM_EREPORT_XAUI_ERR);
327 		if (DDI_FM_EREPORT_CAP(nxgep->fm_capabilities)) {
328 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
329 			    "XAUI is bad or absent on port<%d>\n", portn));
330 		}
331 #ifdef NXGE_DEBUG
332 	/*
333 	 * As a workaround for CR6693529, do not execute this block of
334 	 * code for non-debug driver. When a Picolight XFP transceiver
335 	 * is used, register BCM8704_USER_ANALOG_STATUS0_REG returns
336 	 * the same 0x639C value in normal link down case, which causes
337 	 * false FMA messages and link reconnection problem.
338 	 */
339 	} else if (nxgep->mac.portmode == PORT_10G_FIBER) {
340 		/*
341 		 * 0x03FC = 0000 0011 1111 1100 (XFP is normal)
342 		 * 0x639C = 0110 0011 1001 1100 (XFP has problem)
343 		 * bit14 = 1: PDM loss-of-light indicator
344 		 * bit13 = 1: PDM Rx loss-of-signal
345 		 * bit6  = 0: Light is NOT ok
346 		 * bit5  = 0: PMD Rx signal is NOT ok
347 		 */
348 		if (val == 0x639C) {
349 			NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
350 			    NXGE_FM_EREPORT_XFP_ERR);
351 			if (DDI_FM_EREPORT_CAP(nxgep->fm_capabilities)) {
352 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
353 				    "XFP is bad or absent on port<%d>\n",
354 				    portn));
355 			}
356 			status = NXGE_ERROR;
357 		}
358 #endif
359 	}
360 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_check_xaui_xfp"));
361 	return (status);
362 }
363 
364 
365 /* ARGSUSED */
366 uint_t
367 nxge_syserr_intr(void *arg1, void *arg2)
368 {
369 	p_nxge_ldv_t ldvp = (p_nxge_ldv_t)arg1;
370 	p_nxge_t nxgep = (p_nxge_t)arg2;
371 	p_nxge_ldg_t ldgp = NULL;
372 	npi_handle_t handle;
373 	sys_err_stat_t estat;
374 	uint_t serviced = DDI_INTR_UNCLAIMED;
375 
376 	if (arg1 == NULL && arg2 == NULL) {
377 		return (serviced);
378 	}
379 	if (arg2 == NULL || ((ldvp != NULL && (void *) ldvp->nxgep != arg2))) {
380 		if (ldvp != NULL) {
381 			nxgep = ldvp->nxgep;
382 		}
383 	}
384 	NXGE_DEBUG_MSG((nxgep, SYSERR_CTL,
385 	    "==> nxge_syserr_intr: arg2 $%p arg1 $%p", nxgep, ldvp));
386 	if (ldvp != NULL && ldvp->use_timer == B_FALSE) {
387 		ldgp = ldvp->ldgp;
388 		if (ldgp == NULL) {
389 			NXGE_ERROR_MSG((nxgep, SYSERR_CTL,
390 			    "<== nxge_syserrintr(no logical group): "
391 			    "arg2 $%p arg1 $%p", nxgep, ldvp));
392 			return (DDI_INTR_UNCLAIMED);
393 		}
394 		/*
395 		 * Get the logical device state if the function uses interrupt.
396 		 */
397 	}
398 
399 	/* This interrupt handler is for system error interrupts.  */
400 	handle = NXGE_DEV_NPI_HANDLE(nxgep);
401 	estat.value = 0;
402 	(void) npi_fzc_sys_err_stat_get(handle, &estat);
403 	NXGE_DEBUG_MSG((nxgep, SYSERR_CTL,
404 	    "==> nxge_syserr_intr: device error 0x%016llx", estat.value));
405 
406 	if (estat.bits.ldw.smx) {
407 		/* SMX */
408 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
409 		    "==> nxge_syserr_intr: device error - SMX"));
410 	} else if (estat.bits.ldw.mac) {
411 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
412 		    "==> nxge_syserr_intr: device error - MAC"));
413 		/*
414 		 * There is nothing to be done here. All MAC errors go to per
415 		 * MAC port interrupt. MIF interrupt is the only MAC sub-block
416 		 * that can generate status here. MIF status reported will be
417 		 * ignored here. It is checked by per port timer instead.
418 		 */
419 	} else if (estat.bits.ldw.ipp) {
420 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
421 		    "==> nxge_syserr_intr: device error - IPP"));
422 		(void) nxge_ipp_handle_sys_errors(nxgep);
423 	} else if (estat.bits.ldw.zcp) {
424 		/* ZCP */
425 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
426 		    "==> nxge_syserr_intr: device error - ZCP"));
427 		(void) nxge_zcp_handle_sys_errors(nxgep);
428 	} else if (estat.bits.ldw.tdmc) {
429 		/* TDMC */
430 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
431 		    "==> nxge_syserr_intr: device error - TDMC"));
432 		/*
433 		 * There is no TDMC system errors defined in the PRM. All TDMC
434 		 * channel specific errors are reported on a per channel basis.
435 		 */
436 	} else if (estat.bits.ldw.rdmc) {
437 		/* RDMC */
438 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
439 		    "==> nxge_syserr_intr: device error - RDMC"));
440 		(void) nxge_rxdma_handle_sys_errors(nxgep);
441 	} else if (estat.bits.ldw.txc) {
442 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
443 		    "==> nxge_syserr_intr: device error - TXC"));
444 		(void) nxge_txc_handle_sys_errors(nxgep);
445 	} else if ((nxgep->niu_type != N2_NIU) && estat.bits.ldw.peu) {
446 		/* PCI-E */
447 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
448 		    "==> nxge_syserr_intr: device error - PCI-E"));
449 	} else if (estat.bits.ldw.meta1) {
450 		/* META1 */
451 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
452 		    "==> nxge_syserr_intr: device error - META1"));
453 	} else if (estat.bits.ldw.meta2) {
454 		/* META2 */
455 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
456 		    "==> nxge_syserr_intr: device error - META2"));
457 	} else if (estat.bits.ldw.fflp) {
458 		/* FFLP */
459 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
460 		    "==> nxge_syserr_intr: device error - FFLP"));
461 		(void) nxge_fflp_handle_sys_errors(nxgep);
462 	}
463 
464 	/*
465 	 * nxge_check_xaui_xfg checks XAUI for all of the following
466 	 * portmodes, but checks XFP only if portmode == PORT_10G_FIBER.
467 	 */
468 	if (nxgep->mac.portmode == PORT_10G_FIBER ||
469 	    nxgep->mac.portmode == PORT_10G_COPPER ||
470 	    nxgep->mac.portmode == PORT_10G_TN1010 ||
471 	    nxgep->mac.portmode == PORT_1G_TN1010) {
472 		if (nxge_check_xaui_xfp(nxgep) != NXGE_OK) {
473 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
474 			    "==> nxge_syserr_intr: device error - XAUI"));
475 		}
476 	}
477 
478 	serviced = DDI_INTR_CLAIMED;
479 
480 	if (ldgp != NULL && ldvp != NULL && ldgp->nldvs == 1 &&
481 	    !ldvp->use_timer) {
482 		(void) npi_intr_ldg_mgmt_set(handle, ldgp->ldg,
483 		    B_TRUE, ldgp->ldg_timer);
484 	}
485 	NXGE_DEBUG_MSG((nxgep, SYSERR_CTL, "<== nxge_syserr_intr"));
486 	return (serviced);
487 }
488 
489 /* ARGSUSED */
490 void
491 nxge_intr_hw_enable(p_nxge_t nxgep)
492 {
493 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr_hw_enable"));
494 	(void) nxge_intr_mask_mgmt_set(nxgep, B_TRUE);
495 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intr_hw_enable"));
496 }
497 
498 /* ARGSUSED */
499 void
500 nxge_intr_hw_disable(p_nxge_t nxgep)
501 {
502 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr_hw_disable"));
503 	(void) nxge_intr_mask_mgmt_set(nxgep, B_FALSE);
504 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intr_hw_disable"));
505 }
506 
507 /* ARGSUSED */
508 void
509 nxge_rx_hw_blank(void *arg, time_t ticks, uint_t count)
510 {
511 	p_nxge_t nxgep = (p_nxge_t)arg;
512 	uint8_t channel;
513 	npi_handle_t handle;
514 	p_nxge_ldgv_t ldgvp;
515 	p_nxge_ldv_t ldvp;
516 	int i;
517 
518 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_rx_hw_blank"));
519 	handle = NXGE_DEV_NPI_HANDLE(nxgep);
520 
521 	if ((ldgvp = nxgep->ldgvp) == NULL) {
522 		NXGE_ERROR_MSG((nxgep, INT_CTL,
523 		    "<== nxge_rx_hw_blank (not enabled)"));
524 		return;
525 	}
526 	ldvp = nxgep->ldgvp->ldvp;
527 	if (ldvp == NULL) {
528 		return;
529 	}
530 	for (i = 0; i < ldgvp->nldvs; i++, ldvp++) {
531 		if (ldvp->is_rxdma) {
532 			channel = ldvp->channel;
533 			(void) npi_rxdma_cfg_rdc_rcr_threshold(handle,
534 			    channel, count);
535 			(void) npi_rxdma_cfg_rdc_rcr_timeout(handle,
536 			    channel, ticks);
537 		}
538 	}
539 
540 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_rx_hw_blank"));
541 }
542 
543 /* ARGSUSED */
544 void
545 nxge_hw_stop(p_nxge_t nxgep)
546 {
547 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_hw_stop"));
548 
549 	(void) nxge_tx_mac_disable(nxgep);
550 	(void) nxge_rx_mac_disable(nxgep);
551 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_STOP);
552 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_STOP);
553 
554 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_hw_stop"));
555 }
556 
557 /* ARGSUSED */
558 void
559 nxge_hw_ioctl(p_nxge_t nxgep, queue_t *wq, mblk_t *mp, struct iocblk *iocp)
560 {
561 	int cmd;
562 
563 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "==> nxge_hw_ioctl"));
564 
565 	if (nxgep == NULL) {
566 		miocnak(wq, mp, 0, EINVAL);
567 		return;
568 	}
569 	iocp->ioc_error = 0;
570 	cmd = iocp->ioc_cmd;
571 
572 	switch (cmd) {
573 	default:
574 		miocnak(wq, mp, 0, EINVAL);
575 		return;
576 
577 	case NXGE_GET_MII:
578 		nxge_get_mii(nxgep, mp->b_cont);
579 		miocack(wq, mp, sizeof (uint16_t), 0);
580 		break;
581 
582 	case NXGE_PUT_MII:
583 		nxge_put_mii(nxgep, mp->b_cont);
584 		miocack(wq, mp, 0, 0);
585 		break;
586 
587 	case NXGE_GET64:
588 		nxge_get64(nxgep, mp->b_cont);
589 		miocack(wq, mp, sizeof (uint32_t), 0);
590 		break;
591 
592 	case NXGE_PUT64:
593 		nxge_put64(nxgep, mp->b_cont);
594 		miocack(wq, mp, 0, 0);
595 		break;
596 
597 	case NXGE_PUT_TCAM:
598 		nxge_put_tcam(nxgep, mp->b_cont);
599 		miocack(wq, mp, 0, 0);
600 		break;
601 
602 	case NXGE_GET_TCAM:
603 		nxge_get_tcam(nxgep, mp->b_cont);
604 		miocack(wq, mp, 0, 0);
605 		break;
606 
607 	case NXGE_TX_REGS_DUMP:
608 		nxge_txdma_regs_dump_channels(nxgep);
609 		miocack(wq, mp, 0, 0);
610 		break;
611 	case NXGE_RX_REGS_DUMP:
612 		nxge_rxdma_regs_dump_channels(nxgep);
613 		miocack(wq, mp, 0, 0);
614 		break;
615 	case NXGE_VIR_INT_REGS_DUMP:
616 	case NXGE_INT_REGS_DUMP:
617 		nxge_virint_regs_dump(nxgep);
618 		miocack(wq, mp, 0, 0);
619 		break;
620 	case NXGE_RTRACE:
621 		nxge_rtrace_ioctl(nxgep, wq, mp, iocp);
622 		break;
623 	}
624 }
625 
626 /* ARGSUSED */
627 void
628 nxge_loopback_ioctl(p_nxge_t nxgep, queue_t *wq, mblk_t *mp,
629 	struct iocblk *iocp)
630 {
631 	p_lb_property_t lb_props;
632 
633 	size_t size;
634 	int i;
635 
636 	if (mp->b_cont == NULL) {
637 		miocnak(wq, mp, 0, EINVAL);
638 	}
639 	switch (iocp->ioc_cmd) {
640 	case LB_GET_MODE:
641 		NXGE_DEBUG_MSG((nxgep, IOC_CTL, "NXGE_GET_LB_MODE command"));
642 		if (nxgep != NULL) {
643 			*(lb_info_sz_t *)mp->b_cont->b_rptr =
644 			    nxgep->statsp->port_stats.lb_mode;
645 			miocack(wq, mp, sizeof (nxge_lb_t), 0);
646 		} else {
647 			miocnak(wq, mp, 0, EINVAL);
648 		}
649 		break;
650 	case LB_SET_MODE:
651 		NXGE_DEBUG_MSG((nxgep, IOC_CTL, "NXGE_SET_LB_MODE command"));
652 		if (iocp->ioc_count != sizeof (uint32_t)) {
653 			miocack(wq, mp, 0, 0);
654 			break;
655 		}
656 		if ((nxgep != NULL) && nxge_set_lb(nxgep, wq, mp->b_cont)) {
657 			miocack(wq, mp, 0, 0);
658 		} else {
659 			miocnak(wq, mp, 0, EPROTO);
660 		}
661 		break;
662 	case LB_GET_INFO_SIZE:
663 		NXGE_DEBUG_MSG((nxgep, IOC_CTL, "LB_GET_INFO_SIZE command"));
664 		if (nxgep != NULL) {
665 			size = sizeof (lb_normal);
666 			if (nxgep->statsp->mac_stats.cap_10gfdx) {
667 				/* TN1010 does not support external loopback */
668 				if (nxgep->mac.portmode != PORT_1G_TN1010 &&
669 				    nxgep->mac.portmode != PORT_10G_TN1010) {
670 					size += sizeof (lb_external10g);
671 				}
672 				size += sizeof (lb_mac10g);
673 				/* Publish PHY loopback if PHY is present */
674 				if (nxgep->mac.portmode == PORT_10G_COPPER ||
675 				    nxgep->mac.portmode == PORT_10G_TN1010 ||
676 				    nxgep->mac.portmode == PORT_10G_FIBER)
677 					size += sizeof (lb_phy10g);
678 			}
679 
680 			/*
681 			 * Even if cap_10gfdx is false, we still do 10G
682 			 * serdes loopback as a part of SunVTS xnetlbtest
683 			 * internal loopback test.
684 			 */
685 			if (nxgep->mac.portmode == PORT_10G_FIBER ||
686 			    nxgep->mac.portmode == PORT_10G_TN1010 ||
687 			    nxgep->mac.portmode == PORT_10G_SERDES)
688 				size += sizeof (lb_serdes10g);
689 
690 			if (nxgep->statsp->mac_stats.cap_1000fdx) {
691 				/* TN1010 does not support external loopback */
692 				if (nxgep->mac.portmode != PORT_1G_TN1010 &&
693 				    nxgep->mac.portmode != PORT_10G_TN1010) {
694 					size += sizeof (lb_external1000);
695 				}
696 				size += sizeof (lb_mac1000);
697 				if (nxgep->mac.portmode == PORT_1G_COPPER ||
698 				    nxgep->mac.portmode == PORT_1G_TN1010 ||
699 				    nxgep->mac.portmode ==
700 				    PORT_1G_RGMII_FIBER)
701 					size += sizeof (lb_phy1000);
702 			}
703 			if (nxgep->statsp->mac_stats.cap_100fdx)
704 				size += sizeof (lb_external100);
705 			if (nxgep->statsp->mac_stats.cap_10fdx)
706 				size += sizeof (lb_external10);
707 			if (nxgep->mac.portmode == PORT_1G_FIBER ||
708 			    nxgep->mac.portmode == PORT_1G_TN1010 ||
709 			    nxgep->mac.portmode == PORT_1G_SERDES)
710 				size += sizeof (lb_serdes1000);
711 
712 			*(lb_info_sz_t *)mp->b_cont->b_rptr = size;
713 
714 			NXGE_DEBUG_MSG((nxgep, IOC_CTL,
715 			    "NXGE_GET_LB_INFO command: size %d", size));
716 			miocack(wq, mp, sizeof (lb_info_sz_t), 0);
717 		} else
718 			miocnak(wq, mp, 0, EINVAL);
719 		break;
720 
721 	case LB_GET_INFO:
722 		NXGE_DEBUG_MSG((nxgep, IOC_CTL, "NXGE_GET_LB_INFO command"));
723 		if (nxgep != NULL) {
724 			size = sizeof (lb_normal);
725 			if (nxgep->statsp->mac_stats.cap_10gfdx) {
726 				/* TN1010 does not support external loopback */
727 				if (nxgep->mac.portmode != PORT_1G_TN1010 &&
728 				    nxgep->mac.portmode != PORT_10G_TN1010) {
729 					size += sizeof (lb_external10g);
730 				}
731 				size += sizeof (lb_mac10g);
732 				/* Publish PHY loopback if PHY is present */
733 				if (nxgep->mac.portmode == PORT_10G_COPPER ||
734 				    nxgep->mac.portmode == PORT_10G_TN1010 ||
735 				    nxgep->mac.portmode == PORT_10G_FIBER)
736 					size += sizeof (lb_phy10g);
737 			}
738 			if (nxgep->mac.portmode == PORT_10G_FIBER ||
739 			    nxgep->mac.portmode == PORT_10G_TN1010 ||
740 			    nxgep->mac.portmode == PORT_10G_SERDES)
741 				size += sizeof (lb_serdes10g);
742 
743 			if (nxgep->statsp->mac_stats.cap_1000fdx) {
744 				/* TN1010 does not support external loopback */
745 				if (nxgep->mac.portmode != PORT_1G_TN1010 &&
746 				    nxgep->mac.portmode != PORT_10G_TN1010) {
747 					size += sizeof (lb_external1000);
748 				}
749 				size += sizeof (lb_mac1000);
750 				if (nxgep->mac.portmode == PORT_1G_COPPER ||
751 				    nxgep->mac.portmode == PORT_1G_TN1010 ||
752 				    nxgep->mac.portmode ==
753 				    PORT_1G_RGMII_FIBER)
754 					size += sizeof (lb_phy1000);
755 			}
756 			if (nxgep->statsp->mac_stats.cap_100fdx)
757 				size += sizeof (lb_external100);
758 
759 			if (nxgep->statsp->mac_stats.cap_10fdx)
760 				size += sizeof (lb_external10);
761 
762 			if (nxgep->mac.portmode == PORT_1G_FIBER ||
763 			    nxgep->mac.portmode == PORT_1G_TN1010 ||
764 			    nxgep->mac.portmode == PORT_1G_SERDES)
765 				size += sizeof (lb_serdes1000);
766 
767 			NXGE_DEBUG_MSG((nxgep, IOC_CTL,
768 			    "NXGE_GET_LB_INFO command: size %d", size));
769 			if (size == iocp->ioc_count) {
770 				i = 0;
771 				lb_props = (p_lb_property_t)mp->b_cont->b_rptr;
772 				lb_props[i++] = lb_normal;
773 
774 				if (nxgep->statsp->mac_stats.cap_10gfdx) {
775 					lb_props[i++] = lb_mac10g;
776 					if (nxgep->mac.portmode ==
777 					    PORT_10G_COPPER ||
778 					    nxgep->mac.portmode ==
779 					    PORT_10G_TN1010 ||
780 					    nxgep->mac.portmode ==
781 					    PORT_10G_FIBER) {
782 						lb_props[i++] = lb_phy10g;
783 					}
784 					/* TN1010 does not support ext lb */
785 					if (nxgep->mac.portmode !=
786 					    PORT_10G_TN1010 &&
787 					    nxgep->mac.portmode !=
788 					    PORT_1G_TN1010) {
789 						lb_props[i++] = lb_external10g;
790 					}
791 				}
792 
793 				if (nxgep->mac.portmode == PORT_10G_FIBER ||
794 				    nxgep->mac.portmode == PORT_10G_TN1010 ||
795 				    nxgep->mac.portmode == PORT_10G_SERDES)
796 					lb_props[i++] = lb_serdes10g;
797 
798 				if (nxgep->statsp->mac_stats.cap_1000fdx) {
799 					/* TN1010 does not support ext lb */
800 					if (nxgep->mac.portmode !=
801 					    PORT_10G_TN1010 &&
802 					    nxgep->mac.portmode !=
803 					    PORT_1G_TN1010) {
804 						lb_props[i++] = lb_external1000;
805 					}
806 				}
807 
808 				if (nxgep->statsp->mac_stats.cap_100fdx)
809 					lb_props[i++] = lb_external100;
810 
811 				if (nxgep->statsp->mac_stats.cap_10fdx)
812 					lb_props[i++] = lb_external10;
813 
814 				if (nxgep->statsp->mac_stats.cap_1000fdx)
815 					lb_props[i++] = lb_mac1000;
816 
817 				if (nxgep->mac.portmode == PORT_1G_COPPER ||
818 				    nxgep->mac.portmode == PORT_1G_TN1010 ||
819 				    nxgep->mac.portmode ==
820 				    PORT_1G_RGMII_FIBER) {
821 					if (nxgep->statsp->mac_stats.
822 					    cap_1000fdx)
823 						lb_props[i++] = lb_phy1000;
824 				} else if (nxgep->mac.portmode ==
825 				    PORT_1G_FIBER ||
826 				    nxgep->mac.portmode == PORT_1G_TN1010 ||
827 				    nxgep->mac.portmode == PORT_1G_SERDES) {
828 					lb_props[i++] = lb_serdes1000;
829 				}
830 				miocack(wq, mp, size, 0);
831 			} else
832 				miocnak(wq, mp, 0, EINVAL);
833 		} else {
834 			miocnak(wq, mp, 0, EINVAL);
835 			cmn_err(CE_NOTE, "!nxge_hw_ioctl: invalid command 0x%x",
836 			    iocp->ioc_cmd);
837 		}
838 		break;
839 	}
840 }
841 
842 /*
843  * DMA channel interfaces to access various channel specific
844  * hardware functions.
845  */
846 /* ARGSUSED */
847 void
848 nxge_rxdma_channel_put64(nxge_os_acc_handle_t handle, void *reg_addrp,
849 	uint32_t reg_base, uint16_t channel, uint64_t reg_data)
850 {
851 	uint64_t reg_offset;
852 
853 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_rxdma_channel_put64"));
854 
855 	/*
856 	 * Channel is assumed to be from 0 to the maximum DMA channel #. If we
857 	 * use the virtual DMA CSR address space from the config space (in PCI
858 	 * case), then the following code need to be use different offset
859 	 * computation macro.
860 	 */
861 	reg_offset = reg_base + DMC_OFFSET(channel);
862 	NXGE_PIO_WRITE64(handle, reg_addrp, reg_offset, reg_data);
863 
864 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_rxdma_channel_put64"));
865 }
866 
867 /* ARGSUSED */
868 uint64_t
869 nxge_rxdma_channel_get64(nxge_os_acc_handle_t handle, void *reg_addrp,
870 	uint32_t reg_base, uint16_t channel)
871 {
872 	uint64_t reg_offset;
873 
874 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_rxdma_channel_get64"));
875 
876 	/*
877 	 * Channel is assumed to be from 0 to the maximum DMA channel #. If we
878 	 * use the virtual DMA CSR address space from the config space (in PCI
879 	 * case), then the following code need to be use different offset
880 	 * computation macro.
881 	 */
882 	reg_offset = reg_base + DMC_OFFSET(channel);
883 
884 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_rxdma_channel_get64"));
885 
886 	return (NXGE_PIO_READ64(handle, reg_addrp, reg_offset));
887 }
888 
889 /* ARGSUSED */
890 void
891 nxge_get32(p_nxge_t nxgep, p_mblk_t mp)
892 {
893 	nxge_os_acc_handle_t nxge_regh;
894 
895 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "nxge_get32"));
896 	nxge_regh = nxgep->dev_regs->nxge_regh;
897 
898 	*(uint32_t *)mp->b_rptr = NXGE_PIO_READ32(nxge_regh,
899 	    nxgep->dev_regs->nxge_regp, *(uint32_t *)mp->b_rptr);
900 
901 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "value = 0x%08X",
902 	    *(uint32_t *)mp->b_rptr));
903 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "nxge_get32"));
904 }
905 
906 /* ARGSUSED */
907 void
908 nxge_put32(p_nxge_t nxgep, p_mblk_t mp)
909 {
910 	nxge_os_acc_handle_t nxge_regh;
911 	uint32_t *buf;
912 	uint8_t *reg;
913 
914 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "nxge_put32"));
915 	nxge_regh = nxgep->dev_regs->nxge_regh;
916 
917 	buf = (uint32_t *)mp->b_rptr;
918 	reg = (uint8_t *)(nxgep->dev_regs->nxge_regp) + buf[0];
919 	NXGE_DEBUG_MSG((nxgep, IOC_CTL,
920 	    "reg = 0x%016llX index = 0x%08X value = 0x%08X",
921 	    reg, buf[0], buf[1]));
922 	NXGE_PIO_WRITE32(nxge_regh, (uint32_t *)reg, 0, buf[1]);
923 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "nxge_put32"));
924 }
925 
926 /*ARGSUSED*/
927 boolean_t
928 nxge_set_lb(p_nxge_t nxgep, queue_t *wq, p_mblk_t mp)
929 {
930 	boolean_t status = B_TRUE;
931 	uint32_t lb_mode;
932 	lb_property_t *lb_info;
933 
934 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "<== nxge_set_lb"));
935 	lb_mode = nxgep->statsp->port_stats.lb_mode;
936 	if (lb_mode == *(uint32_t *)mp->b_rptr) {
937 		cmn_err(CE_NOTE,
938 		    "!nxge%d: Loopback mode already set (lb_mode %d).\n",
939 		    nxgep->instance, lb_mode);
940 		status = B_FALSE;
941 		goto nxge_set_lb_exit;
942 	}
943 	lb_mode = *(uint32_t *)mp->b_rptr;
944 	lb_info = NULL;
945 	if (lb_mode == lb_normal.value)
946 		lb_info = &lb_normal;
947 	else if ((lb_mode == lb_external10g.value) &&
948 	    (nxgep->statsp->mac_stats.cap_10gfdx))
949 		lb_info = &lb_external10g;
950 	else if ((lb_mode == lb_external1000.value) &&
951 	    (nxgep->statsp->mac_stats.cap_1000fdx))
952 		lb_info = &lb_external1000;
953 	else if ((lb_mode == lb_external100.value) &&
954 	    (nxgep->statsp->mac_stats.cap_100fdx))
955 		lb_info = &lb_external100;
956 	else if ((lb_mode == lb_external10.value) &&
957 	    (nxgep->statsp->mac_stats.cap_10fdx))
958 		lb_info = &lb_external10;
959 	else if ((lb_mode == lb_phy10g.value) &&
960 	    (nxgep->mac.portmode == PORT_10G_COPPER ||
961 	    nxgep->mac.portmode == PORT_10G_TN1010 ||
962 	    nxgep->mac.portmode == PORT_10G_FIBER))
963 		lb_info = &lb_phy10g;
964 	else if ((lb_mode == lb_phy1000.value) &&
965 	    (nxgep->mac.portmode == PORT_1G_COPPER ||
966 	    nxgep->mac.portmode == PORT_1G_TN1010 ||
967 	    nxgep->mac.portmode == PORT_1G_RGMII_FIBER))
968 		lb_info = &lb_phy1000;
969 	else if ((lb_mode == lb_phy.value) &&
970 	    (nxgep->mac.portmode == PORT_1G_COPPER))
971 		lb_info = &lb_phy;
972 	else if ((lb_mode == lb_serdes10g.value) &&
973 	    (nxgep->mac.portmode == PORT_10G_FIBER ||
974 	    nxgep->mac.portmode == PORT_10G_COPPER ||
975 	    nxgep->mac.portmode == PORT_10G_TN1010 ||
976 	    nxgep->mac.portmode == PORT_10G_SERDES))
977 		lb_info = &lb_serdes10g;
978 	else if ((lb_mode == lb_serdes1000.value) &&
979 	    (nxgep->mac.portmode == PORT_1G_FIBER ||
980 	    nxgep->mac.portmode == PORT_1G_TN1010 ||
981 	    nxgep->mac.portmode == PORT_1G_SERDES))
982 		lb_info = &lb_serdes1000;
983 	else if (lb_mode == lb_mac10g.value)
984 		lb_info = &lb_mac10g;
985 	else if (lb_mode == lb_mac1000.value)
986 		lb_info = &lb_mac1000;
987 	else if (lb_mode == lb_mac.value)
988 		lb_info = &lb_mac;
989 	else {
990 		cmn_err(CE_NOTE,
991 		    "!nxge%d: Loopback mode not supported(mode %d).\n",
992 		    nxgep->instance, lb_mode);
993 		status = B_FALSE;
994 		goto nxge_set_lb_exit;
995 	}
996 
997 	if (lb_mode == nxge_lb_normal) {
998 		if (nxge_lb_dbg) {
999 			cmn_err(CE_NOTE,
1000 			    "!nxge%d: Returning to normal operation",
1001 			    nxgep->instance);
1002 		}
1003 		if (nxge_set_lb_normal(nxgep) != NXGE_OK) {
1004 			status = B_FALSE;
1005 			cmn_err(CE_NOTE,
1006 			    "!nxge%d: Failed to return to normal operation",
1007 			    nxgep->instance);
1008 		}
1009 		goto nxge_set_lb_exit;
1010 	}
1011 	nxgep->statsp->port_stats.lb_mode = lb_mode;
1012 
1013 	if (nxge_lb_dbg)
1014 		cmn_err(CE_NOTE,
1015 		    "!nxge%d: Adapter now in %s loopback mode",
1016 		    nxgep->instance, lb_info->key);
1017 	nxgep->param_arr[param_autoneg].value = 0;
1018 	nxgep->param_arr[param_anar_10gfdx].value =
1019 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext10g) ||
1020 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_mac10g) ||
1021 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_phy10g) ||
1022 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_serdes10g);
1023 	nxgep->param_arr[param_anar_10ghdx].value = 0;
1024 	nxgep->param_arr[param_anar_1000fdx].value =
1025 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext1000) ||
1026 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_mac1000) ||
1027 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_phy1000) ||
1028 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_serdes1000);
1029 	nxgep->param_arr[param_anar_1000hdx].value = 0;
1030 	nxgep->param_arr[param_anar_100fdx].value =
1031 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_phy) ||
1032 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_mac) ||
1033 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext100);
1034 	nxgep->param_arr[param_anar_100hdx].value = 0;
1035 	nxgep->param_arr[param_anar_10fdx].value =
1036 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_mac) ||
1037 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext10);
1038 	if (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext1000) {
1039 		nxgep->param_arr[param_master_cfg_enable].value = 1;
1040 		nxgep->param_arr[param_master_cfg_value].value = 1;
1041 	}
1042 	if ((nxgep->statsp->port_stats.lb_mode == nxge_lb_ext10g) ||
1043 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext1000) ||
1044 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext100) ||
1045 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext10) ||
1046 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_phy10g) ||
1047 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_phy1000) ||
1048 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_phy)) {
1049 
1050 		if (nxge_link_monitor(nxgep, LINK_MONITOR_STOP) != NXGE_OK)
1051 			goto nxge_set_lb_err;
1052 		if (nxge_xcvr_find(nxgep) != NXGE_OK)
1053 			goto nxge_set_lb_err;
1054 		if (nxge_link_init(nxgep) != NXGE_OK)
1055 			goto nxge_set_lb_err;
1056 		if (nxge_link_monitor(nxgep, LINK_MONITOR_START) != NXGE_OK)
1057 			goto nxge_set_lb_err;
1058 	}
1059 	if (lb_info->lb_type == internal) {
1060 		if ((nxgep->statsp->port_stats.lb_mode == nxge_lb_mac10g) ||
1061 		    (nxgep->statsp->port_stats.lb_mode ==
1062 		    nxge_lb_phy10g) ||
1063 		    (nxgep->statsp->port_stats.lb_mode ==
1064 		    nxge_lb_serdes10g)) {
1065 			nxgep->statsp->mac_stats.link_speed = 10000;
1066 		} else if ((nxgep->statsp->port_stats.lb_mode
1067 		    == nxge_lb_mac1000) ||
1068 		    (nxgep->statsp->port_stats.lb_mode ==
1069 		    nxge_lb_phy1000) ||
1070 		    (nxgep->statsp->port_stats.lb_mode ==
1071 		    nxge_lb_serdes1000)) {
1072 			nxgep->statsp->mac_stats.link_speed = 1000;
1073 		} else {
1074 			nxgep->statsp->mac_stats.link_speed = 100;
1075 		}
1076 		nxgep->statsp->mac_stats.link_duplex = 2;
1077 		nxgep->statsp->mac_stats.link_up = 1;
1078 	}
1079 	if (nxge_global_reset(nxgep) != NXGE_OK)
1080 		goto nxge_set_lb_err;
1081 
1082 nxge_set_lb_exit:
1083 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1084 	    "<== nxge_set_lb status = 0x%08x", status));
1085 	return (status);
1086 nxge_set_lb_err:
1087 	status = B_FALSE;
1088 	cmn_err(CE_NOTE,
1089 	    "!nxge%d: Failed to put adapter in %s loopback mode",
1090 	    nxgep->instance, lb_info->key);
1091 	return (status);
1092 }
1093 
1094 /* Return to normal (no loopback) mode */
1095 /* ARGSUSED */
1096 nxge_status_t
1097 nxge_set_lb_normal(p_nxge_t nxgep)
1098 {
1099 	nxge_status_t	status = NXGE_OK;
1100 
1101 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_set_lb_normal"));
1102 
1103 	nxgep->statsp->port_stats.lb_mode = nxge_lb_normal;
1104 	nxgep->param_arr[param_autoneg].value =
1105 	    nxgep->param_arr[param_autoneg].old_value;
1106 	nxgep->param_arr[param_anar_1000fdx].value =
1107 	    nxgep->param_arr[param_anar_1000fdx].old_value;
1108 	nxgep->param_arr[param_anar_1000hdx].value =
1109 	    nxgep->param_arr[param_anar_1000hdx].old_value;
1110 	nxgep->param_arr[param_anar_100fdx].value =
1111 	    nxgep->param_arr[param_anar_100fdx].old_value;
1112 	nxgep->param_arr[param_anar_100hdx].value =
1113 	    nxgep->param_arr[param_anar_100hdx].old_value;
1114 	nxgep->param_arr[param_anar_10fdx].value =
1115 	    nxgep->param_arr[param_anar_10fdx].old_value;
1116 	nxgep->param_arr[param_master_cfg_enable].value =
1117 	    nxgep->param_arr[param_master_cfg_enable].old_value;
1118 	nxgep->param_arr[param_master_cfg_value].value =
1119 	    nxgep->param_arr[param_master_cfg_value].old_value;
1120 
1121 	if ((status = nxge_global_reset(nxgep)) != NXGE_OK)
1122 		return (status);
1123 
1124 	if ((status = nxge_link_monitor(nxgep, LINK_MONITOR_STOP)) != NXGE_OK)
1125 		return (status);
1126 	if ((status = nxge_xcvr_find(nxgep)) != NXGE_OK)
1127 		return (status);
1128 	if ((status = nxge_link_init(nxgep)) != NXGE_OK)
1129 		return (status);
1130 	status = nxge_link_monitor(nxgep, LINK_MONITOR_START);
1131 
1132 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_set_lb_normal"));
1133 
1134 	return (status);
1135 }
1136 
1137 /* ARGSUSED */
1138 void
1139 nxge_get_mii(p_nxge_t nxgep, p_mblk_t mp)
1140 {
1141 	uint16_t reg;
1142 
1143 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "==> nxge_get_mii"));
1144 
1145 	reg = *(uint16_t *)mp->b_rptr;
1146 	(void) nxge_mii_read(nxgep, nxgep->statsp->mac_stats.xcvr_portn, reg,
1147 	    (uint16_t *)mp->b_rptr);
1148 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "reg = 0x%08X value = 0x%04X",
1149 	    reg, *(uint16_t *)mp->b_rptr));
1150 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "<== nxge_get_mii"));
1151 }
1152 
1153 /* ARGSUSED */
1154 void
1155 nxge_put_mii(p_nxge_t nxgep, p_mblk_t mp)
1156 {
1157 	uint16_t *buf;
1158 	uint8_t reg;
1159 
1160 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "==> nxge_put_mii"));
1161 	buf = (uint16_t *)mp->b_rptr;
1162 	reg = (uint8_t)buf[0];
1163 	NXGE_DEBUG_MSG((nxgep, IOC_CTL,
1164 	    "reg = 0x%08X index = 0x%08X value = 0x%08X",
1165 	    reg, buf[0], buf[1]));
1166 	(void) nxge_mii_write(nxgep, nxgep->statsp->mac_stats.xcvr_portn,
1167 	    reg, buf[1]);
1168 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "<== nxge_put_mii"));
1169 }
1170 
1171 /* ARGSUSED */
1172 void
1173 nxge_check_hw_state(p_nxge_t nxgep)
1174 {
1175 	p_nxge_ldgv_t ldgvp;
1176 	p_nxge_ldv_t t_ldvp;
1177 
1178 	NXGE_DEBUG_MSG((nxgep, SYSERR_CTL, "==> nxge_check_hw_state"));
1179 
1180 	MUTEX_ENTER(nxgep->genlock);
1181 	nxgep->nxge_timerid = 0;
1182 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
1183 		goto nxge_check_hw_state_exit;
1184 	}
1185 	nxge_check_tx_hang(nxgep);
1186 
1187 	ldgvp = nxgep->ldgvp;
1188 	if (ldgvp == NULL || (ldgvp->ldvp_syserr == NULL)) {
1189 		NXGE_ERROR_MSG((nxgep, SYSERR_CTL, "<== nxge_check_hw_state: "
1190 		    "NULL ldgvp (interrupt not ready)."));
1191 		goto nxge_check_hw_state_exit;
1192 	}
1193 	t_ldvp = ldgvp->ldvp_syserr;
1194 	if (!t_ldvp->use_timer) {
1195 		NXGE_DEBUG_MSG((nxgep, SYSERR_CTL, "<== nxge_check_hw_state: "
1196 		    "ldgvp $%p t_ldvp $%p use_timer flag %d",
1197 		    ldgvp, t_ldvp, t_ldvp->use_timer));
1198 		goto nxge_check_hw_state_exit;
1199 	}
1200 	if (fm_check_acc_handle(nxgep->dev_regs->nxge_regh) != DDI_FM_OK) {
1201 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1202 		    "port%d Bad register acc handle", nxgep->mac.portnum));
1203 	}
1204 	(void) nxge_syserr_intr((void *) t_ldvp, (void *) nxgep);
1205 
1206 	nxgep->nxge_timerid = nxge_start_timer(nxgep, nxge_check_hw_state,
1207 	    NXGE_CHECK_TIMER);
1208 
1209 nxge_check_hw_state_exit:
1210 	MUTEX_EXIT(nxgep->genlock);
1211 	NXGE_DEBUG_MSG((nxgep, SYSERR_CTL, "<== nxge_check_hw_state"));
1212 }
1213 
1214 /*ARGSUSED*/
1215 static void
1216 nxge_rtrace_ioctl(p_nxge_t nxgep, queue_t *wq, mblk_t *mp,
1217 	struct iocblk *iocp)
1218 {
1219 	ssize_t size;
1220 	rtrace_t *rtp;
1221 	mblk_t *nmp;
1222 	uint32_t i, j;
1223 	uint32_t start_blk;
1224 	uint32_t base_entry;
1225 	uint32_t num_entries;
1226 
1227 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_rtrace_ioctl"));
1228 
1229 	size = 1024;
1230 	if (mp->b_cont == NULL || MBLKL(mp->b_cont) < size) {
1231 		NXGE_DEBUG_MSG((nxgep, STR_CTL,
1232 		    "malformed M_IOCTL MBLKL = %d size = %d",
1233 		    MBLKL(mp->b_cont), size));
1234 		miocnak(wq, mp, 0, EINVAL);
1235 		return;
1236 	}
1237 	nmp = mp->b_cont;
1238 	rtp = (rtrace_t *)nmp->b_rptr;
1239 	start_blk = rtp->next_idx;
1240 	num_entries = rtp->last_idx;
1241 	base_entry = start_blk * MAX_RTRACE_IOC_ENTRIES;
1242 
1243 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "start_blk = %d\n", start_blk));
1244 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "num_entries = %d\n", num_entries));
1245 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "base_entry = %d\n", base_entry));
1246 
1247 	rtp->next_idx = npi_rtracebuf.next_idx;
1248 	rtp->last_idx = npi_rtracebuf.last_idx;
1249 	rtp->wrapped = npi_rtracebuf.wrapped;
1250 	for (i = 0, j = base_entry; i < num_entries; i++, j++) {
1251 		rtp->buf[i].ctl_addr = npi_rtracebuf.buf[j].ctl_addr;
1252 		rtp->buf[i].val_l32 = npi_rtracebuf.buf[j].val_l32;
1253 		rtp->buf[i].val_h32 = npi_rtracebuf.buf[j].val_h32;
1254 	}
1255 
1256 	nmp->b_wptr = nmp->b_rptr + size;
1257 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "<== nxge_rtrace_ioctl"));
1258 	miocack(wq, mp, (int)size, 0);
1259 }
1260