xref: /titanic_41/usr/src/uts/common/io/nxge/nxge_hw.c (revision f33c1cdb6d38eb0715f03cf492f31c3d4d395c98)
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 /*
23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include <sys/nxge/nxge_impl.h>
28 
29 /*
30  * Tunable Receive Completion Ring Configuration B parameters.
31  */
32 uint16_t nxge_rx_pkt_thres;	/* 16 bits */
33 uint8_t nxge_rx_pkt_timeout;	/* 6 bits based on DMA clock divider */
34 
35 lb_property_t lb_normal = {normal, "normal", nxge_lb_normal};
36 lb_property_t lb_external10g = {external, "external10g", nxge_lb_ext10g};
37 lb_property_t lb_external1000 = {external, "external1000", nxge_lb_ext1000};
38 lb_property_t lb_external100 = {external, "external100", nxge_lb_ext100};
39 lb_property_t lb_external10 = {external, "external10", nxge_lb_ext10};
40 lb_property_t lb_phy10g = {internal, "phy10g", nxge_lb_phy10g};
41 lb_property_t lb_phy1000 = {internal, "phy1000", nxge_lb_phy1000};
42 lb_property_t lb_phy = {internal, "phy", nxge_lb_phy};
43 lb_property_t lb_serdes10g = {internal, "serdes10g", nxge_lb_serdes10g};
44 lb_property_t lb_serdes1000 = {internal, "serdes", nxge_lb_serdes1000};
45 lb_property_t lb_mac10g = {internal, "mac10g", nxge_lb_mac10g};
46 lb_property_t lb_mac1000 = {internal, "mac1000", nxge_lb_mac1000};
47 lb_property_t lb_mac = {internal, "mac10/100", nxge_lb_mac};
48 
49 uint32_t nxge_lb_dbg = 1;
50 void nxge_get_mii(p_nxge_t nxgep, p_mblk_t mp);
51 void nxge_put_mii(p_nxge_t nxgep, p_mblk_t mp);
52 static nxge_status_t nxge_check_xaui_xfp(p_nxge_t nxgep);
53 
54 extern uint32_t nxge_rx_mode;
55 extern uint32_t nxge_jumbo_mtu;
56 
57 static void
58 nxge_rtrace_ioctl(p_nxge_t, queue_t *, mblk_t *, struct iocblk *);
59 
60 /* ARGSUSED */
61 nxge_status_t
62 nxge_global_reset(p_nxge_t nxgep)
63 {
64 	nxge_status_t	status = NXGE_OK;
65 
66 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_global_reset"));
67 
68 	if ((status = nxge_link_monitor(nxgep, LINK_MONITOR_STOP)) != NXGE_OK)
69 		return (status);
70 	(void) nxge_intr_hw_disable(nxgep);
71 
72 	if ((nxgep->suspended) ||
73 	    ((nxgep->statsp->port_stats.lb_mode ==
74 	    nxge_lb_phy1000) ||
75 	    (nxgep->statsp->port_stats.lb_mode ==
76 	    nxge_lb_phy10g) ||
77 	    (nxgep->statsp->port_stats.lb_mode ==
78 	    nxge_lb_serdes1000) ||
79 	    (nxgep->statsp->port_stats.lb_mode ==
80 	    nxge_lb_serdes10g))) {
81 		if ((status = nxge_link_init(nxgep)) != NXGE_OK)
82 			return (status);
83 	}
84 
85 	if ((status = nxge_link_monitor(nxgep, LINK_MONITOR_START)) != NXGE_OK)
86 		return (status);
87 	if ((status = nxge_mac_init(nxgep)) != NXGE_OK)
88 		return (status);
89 	(void) nxge_intr_hw_enable(nxgep);
90 
91 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_global_reset"));
92 	return (status);
93 }
94 
95 /* ARGSUSED */
96 void
97 nxge_hw_id_init(p_nxge_t nxgep)
98 {
99 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_hw_id_init"));
100 
101 	/*
102 	 * Set up initial hardware parameters required such as mac mtu size.
103 	 */
104 	nxgep->mac.is_jumbo = B_FALSE;
105 
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 
113 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_hw_id_init: maxframesize %d",
114 	    nxgep->mac.maxframesize));
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 		rs = npi_ldsv_ldfs_get(handle, t_ldgp->ldg,
220 		    &vector0, &vector1, &vector2);
221 		if (rs) {
222 			continue;
223 		}
224 		if (!vector0 && !vector1 && !vector2) {
225 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: "
226 			    "no interrupts on group %d", t_ldgp->ldg));
227 			continue;
228 		}
229 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: "
230 		    "vector0 0x%llx vector1 0x%llx vector2 0x%llx",
231 		    vector0, vector1, vector2));
232 		nldvs = t_ldgp->nldvs;
233 		for (j = 0; j < nldvs; j++, t_ldvp++) {
234 			/*
235 			 * Call device's handler if flag bits are on.
236 			 */
237 			ldv = t_ldvp->ldv;
238 			if (((ldv < NXGE_MAC_LD_START) &&
239 			    (LDV_ON(ldv, vector0) |
240 			    (LDV_ON(ldv, vector1)))) ||
241 			    (ldv >= NXGE_MAC_LD_START &&
242 			    ((LDV2_ON_1(ldv, vector2)) ||
243 			    (LDV2_ON_2(ldv, vector2))))) {
244 				(void) (t_ldvp->ldv_intr_handler)(
245 				    (caddr_t)t_ldvp, arg2);
246 				NXGE_DEBUG_MSG((nxgep, INT_CTL,
247 				    "==> nxge_intr: "
248 				    "calling device %d #ldvs %d #intrs %d",
249 				    j, nldvs, nintrs));
250 			}
251 		}
252 	}
253 
254 	t_ldgp = ldgp;
255 	for (i = 0; i < nintrs; i++, t_ldgp++) {
256 		/* rearm group interrupts */
257 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr: arm "
258 		    "group %d", t_ldgp->ldg));
259 		(void) npi_intr_ldg_mgmt_set(handle, t_ldgp->ldg,
260 		    t_ldgp->arm, t_ldgp->ldg_timer);
261 	}
262 
263 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intr: serviced 0x%x",
264 	    serviced));
265 	return (serviced);
266 }
267 
268 
269 /*
270  * XFP Related Status Register Values Under 3 Different Conditions
271  *
272  * -------------+-------------------------+-------------------------
273  * 		|   Intel XFP and Avago   |	 Picolight XFP
274  * -------------+---------+---------------+---------+---------------
275  *		| STATUS0 | TX_ALARM_STAT | STATUS0 | TX_ALARM_STAT
276  * -------------+---------+---------------+---------+---------------
277  *	No XFP  | 0x639C  |      0x40     | 0x639C  |      0x40
278  * -------------+---------+---------------+---------+---------------
279  * XFP,linkdown | 0x43BC  |      0x40     | 0x639C  |      0x40
280  * -------------+---------+---------------+---------+---------------
281  * XFP,linkup   | 0x03FC  |      0x0      | 0x03FC  |      0x0
282  * -------------+---------+---------------+---------+---------------
283  * Note:
284  *      STATUS0         = BCM8704_USER_ANALOG_STATUS0_REG
285  *      TX_ALARM_STAT   = BCM8704_USER_TX_ALARM_STATUS_REG
286  */
287 /* ARGSUSED */
288 static nxge_status_t
289 nxge_check_xaui_xfp(p_nxge_t nxgep)
290 {
291 	nxge_status_t	status = NXGE_OK;
292 	uint8_t		phy_port_addr;
293 	uint16_t	val;
294 	uint16_t	val1;
295 	uint8_t		portn;
296 
297 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_check_xaui_xfp"));
298 
299 	portn = nxgep->mac.portnum;
300 	phy_port_addr = nxgep->statsp->mac_stats.xcvr_portn;
301 
302 	/*
303 	 * Keep the val1 code even though it is not used. Could be
304 	 * used to differenciate the "No XFP" case and "XFP,linkdown"
305 	 * case when a Intel XFP is used.
306 	 */
307 	if ((status = nxge_mdio_read(nxgep, phy_port_addr,
308 	    BCM8704_USER_DEV3_ADDR,
309 	    BCM8704_USER_ANALOG_STATUS0_REG, &val)) == NXGE_OK) {
310 		status = nxge_mdio_read(nxgep, phy_port_addr,
311 		    BCM8704_USER_DEV3_ADDR,
312 		    BCM8704_USER_TX_ALARM_STATUS_REG, &val1);
313 	}
314 
315 	if (status != NXGE_OK) {
316 		NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
317 		    NXGE_FM_EREPORT_XAUI_ERR);
318 		if (DDI_FM_EREPORT_CAP(nxgep->fm_capabilities)) {
319 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
320 			    "XAUI is bad or absent on port<%d>\n", portn));
321 		}
322 #ifdef NXGE_DEBUG
323 	/*
324 	 * As a workaround for CR6693529, do not execute this block of
325 	 * code for non-debug driver. When a Picolight XFP transceiver
326 	 * is used, register BCM8704_USER_ANALOG_STATUS0_REG returns
327 	 * the same 0x639C value in normal link down case, which causes
328 	 * false FMA messages and link reconnection problem.
329 	 */
330 	} else if (nxgep->mac.portmode == PORT_10G_FIBER) {
331 		/*
332 		 * 0x03FC = 0000 0011 1111 1100 (XFP is normal)
333 		 * 0x639C = 0110 0011 1001 1100 (XFP has problem)
334 		 * bit14 = 1: PDM loss-of-light indicator
335 		 * bit13 = 1: PDM Rx loss-of-signal
336 		 * bit6  = 0: Light is NOT ok
337 		 * bit5  = 0: PMD Rx signal is NOT ok
338 		 */
339 		if (val == 0x639C) {
340 			NXGE_FM_REPORT_ERROR(nxgep, portn, NULL,
341 			    NXGE_FM_EREPORT_XFP_ERR);
342 			if (DDI_FM_EREPORT_CAP(nxgep->fm_capabilities)) {
343 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
344 				    "XFP is bad or absent on port<%d>\n",
345 				    portn));
346 			}
347 			status = NXGE_ERROR;
348 		}
349 #endif
350 	}
351 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_check_xaui_xfp"));
352 	return (status);
353 }
354 
355 
356 /* ARGSUSED */
357 uint_t
358 nxge_syserr_intr(void *arg1, void *arg2)
359 {
360 	p_nxge_ldv_t ldvp = (p_nxge_ldv_t)arg1;
361 	p_nxge_t nxgep = (p_nxge_t)arg2;
362 	p_nxge_ldg_t ldgp = NULL;
363 	npi_handle_t handle;
364 	sys_err_stat_t estat;
365 	uint_t serviced = DDI_INTR_UNCLAIMED;
366 
367 	if (arg1 == NULL && arg2 == NULL) {
368 		return (serviced);
369 	}
370 	if (arg2 == NULL || ((ldvp != NULL && (void *) ldvp->nxgep != arg2))) {
371 		if (ldvp != NULL) {
372 			nxgep = ldvp->nxgep;
373 		}
374 	}
375 	NXGE_DEBUG_MSG((nxgep, SYSERR_CTL,
376 	    "==> nxge_syserr_intr: arg2 $%p arg1 $%p", nxgep, ldvp));
377 	if (ldvp != NULL && ldvp->use_timer == B_FALSE) {
378 		ldgp = ldvp->ldgp;
379 		if (ldgp == NULL) {
380 			NXGE_ERROR_MSG((nxgep, SYSERR_CTL,
381 			    "<== nxge_syserrintr(no logical group): "
382 			    "arg2 $%p arg1 $%p", nxgep, ldvp));
383 			return (DDI_INTR_UNCLAIMED);
384 		}
385 		/*
386 		 * Get the logical device state if the function uses interrupt.
387 		 */
388 	}
389 
390 	/* This interrupt handler is for system error interrupts.  */
391 	handle = NXGE_DEV_NPI_HANDLE(nxgep);
392 	estat.value = 0;
393 	(void) npi_fzc_sys_err_stat_get(handle, &estat);
394 	NXGE_DEBUG_MSG((nxgep, SYSERR_CTL,
395 	    "==> nxge_syserr_intr: device error 0x%016llx", estat.value));
396 
397 	if (estat.bits.ldw.smx) {
398 		/* SMX */
399 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
400 		    "==> nxge_syserr_intr: device error - SMX"));
401 	} else if (estat.bits.ldw.mac) {
402 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
403 		    "==> nxge_syserr_intr: device error - MAC"));
404 		/*
405 		 * There is nothing to be done here. All MAC errors go to per
406 		 * MAC port interrupt. MIF interrupt is the only MAC sub-block
407 		 * that can generate status here. MIF status reported will be
408 		 * ignored here. It is checked by per port timer instead.
409 		 */
410 	} else if (estat.bits.ldw.ipp) {
411 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
412 		    "==> nxge_syserr_intr: device error - IPP"));
413 		(void) nxge_ipp_handle_sys_errors(nxgep);
414 	} else if (estat.bits.ldw.zcp) {
415 		/* ZCP */
416 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
417 		    "==> nxge_syserr_intr: device error - ZCP"));
418 		(void) nxge_zcp_handle_sys_errors(nxgep);
419 	} else if (estat.bits.ldw.tdmc) {
420 		/* TDMC */
421 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
422 		    "==> nxge_syserr_intr: device error - TDMC"));
423 		/*
424 		 * There is no TDMC system errors defined in the PRM. All TDMC
425 		 * channel specific errors are reported on a per channel basis.
426 		 */
427 	} else if (estat.bits.ldw.rdmc) {
428 		/* RDMC */
429 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
430 		    "==> nxge_syserr_intr: device error - RDMC"));
431 		(void) nxge_rxdma_handle_sys_errors(nxgep);
432 	} else if (estat.bits.ldw.txc) {
433 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
434 		    "==> nxge_syserr_intr: device error - TXC"));
435 		(void) nxge_txc_handle_sys_errors(nxgep);
436 	} else if ((nxgep->niu_type != N2_NIU) && estat.bits.ldw.peu) {
437 		/* PCI-E */
438 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
439 		    "==> nxge_syserr_intr: device error - PCI-E"));
440 	} else if (estat.bits.ldw.meta1) {
441 		/* META1 */
442 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
443 		    "==> nxge_syserr_intr: device error - META1"));
444 	} else if (estat.bits.ldw.meta2) {
445 		/* META2 */
446 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
447 		    "==> nxge_syserr_intr: device error - META2"));
448 	} else if (estat.bits.ldw.fflp) {
449 		/* FFLP */
450 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
451 		    "==> nxge_syserr_intr: device error - FFLP"));
452 		(void) nxge_fflp_handle_sys_errors(nxgep);
453 	}
454 
455 	/*
456 	 * nxge_check_xaui_xfg checks XAUI for all of the following
457 	 * portmodes, but checks XFP only if portmode == PORT_10G_FIBER.
458 	 */
459 	if (nxgep->mac.portmode == PORT_10G_FIBER ||
460 	    nxgep->mac.portmode == PORT_10G_COPPER ||
461 	    nxgep->mac.portmode == PORT_10G_TN1010 ||
462 	    nxgep->mac.portmode == PORT_1G_TN1010) {
463 		if (nxge_check_xaui_xfp(nxgep) != NXGE_OK) {
464 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
465 			    "==> nxge_syserr_intr: device error - XAUI"));
466 		}
467 	}
468 
469 	serviced = DDI_INTR_CLAIMED;
470 
471 	if (ldgp != NULL && ldvp != NULL && ldgp->nldvs == 1 &&
472 	    !ldvp->use_timer) {
473 		(void) npi_intr_ldg_mgmt_set(handle, ldgp->ldg,
474 		    B_TRUE, ldgp->ldg_timer);
475 	}
476 	NXGE_DEBUG_MSG((nxgep, SYSERR_CTL, "<== nxge_syserr_intr"));
477 	return (serviced);
478 }
479 
480 /* ARGSUSED */
481 void
482 nxge_intr_hw_enable(p_nxge_t nxgep)
483 {
484 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr_hw_enable"));
485 	(void) nxge_intr_mask_mgmt_set(nxgep, B_TRUE);
486 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intr_hw_enable"));
487 }
488 
489 /* ARGSUSED */
490 void
491 nxge_intr_hw_disable(p_nxge_t nxgep)
492 {
493 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intr_hw_disable"));
494 	(void) nxge_intr_mask_mgmt_set(nxgep, B_FALSE);
495 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intr_hw_disable"));
496 }
497 
498 /* ARGSUSED */
499 void
500 nxge_rx_hw_blank(void *arg, time_t ticks, uint_t count)
501 {
502 	p_nxge_t nxgep = (p_nxge_t)arg;
503 	uint8_t channel;
504 	npi_handle_t handle;
505 	p_nxge_ldgv_t ldgvp;
506 	p_nxge_ldv_t ldvp;
507 	int i;
508 
509 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_rx_hw_blank"));
510 	handle = NXGE_DEV_NPI_HANDLE(nxgep);
511 
512 	if ((ldgvp = nxgep->ldgvp) == NULL) {
513 		NXGE_ERROR_MSG((nxgep, INT_CTL,
514 		    "<== nxge_rx_hw_blank (not enabled)"));
515 		return;
516 	}
517 	ldvp = nxgep->ldgvp->ldvp;
518 	if (ldvp == NULL) {
519 		return;
520 	}
521 	for (i = 0; i < ldgvp->nldvs; i++, ldvp++) {
522 		if (ldvp->is_rxdma) {
523 			channel = ldvp->channel;
524 			(void) npi_rxdma_cfg_rdc_rcr_threshold(handle,
525 			    channel, count);
526 			(void) npi_rxdma_cfg_rdc_rcr_timeout(handle,
527 			    channel, ticks);
528 		}
529 	}
530 
531 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_rx_hw_blank"));
532 }
533 
534 /* ARGSUSED */
535 void
536 nxge_hw_stop(p_nxge_t nxgep)
537 {
538 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_hw_stop"));
539 
540 	(void) nxge_tx_mac_disable(nxgep);
541 	(void) nxge_rx_mac_disable(nxgep);
542 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_STOP);
543 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_STOP);
544 
545 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_hw_stop"));
546 }
547 
548 /* ARGSUSED */
549 void
550 nxge_hw_ioctl(p_nxge_t nxgep, queue_t *wq, mblk_t *mp, struct iocblk *iocp)
551 {
552 	int cmd;
553 
554 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "==> nxge_hw_ioctl"));
555 
556 	if (nxgep == NULL) {
557 		miocnak(wq, mp, 0, EINVAL);
558 		return;
559 	}
560 	iocp->ioc_error = 0;
561 	cmd = iocp->ioc_cmd;
562 
563 	switch (cmd) {
564 	default:
565 		miocnak(wq, mp, 0, EINVAL);
566 		return;
567 
568 	case NXGE_GET_MII:
569 		nxge_get_mii(nxgep, mp->b_cont);
570 		miocack(wq, mp, sizeof (uint16_t), 0);
571 		break;
572 
573 	case NXGE_PUT_MII:
574 		nxge_put_mii(nxgep, mp->b_cont);
575 		miocack(wq, mp, 0, 0);
576 		break;
577 
578 	case NXGE_GET64:
579 		nxge_get64(nxgep, mp->b_cont);
580 		miocack(wq, mp, sizeof (uint32_t), 0);
581 		break;
582 
583 	case NXGE_PUT64:
584 		nxge_put64(nxgep, mp->b_cont);
585 		miocack(wq, mp, 0, 0);
586 		break;
587 
588 	case NXGE_PUT_TCAM:
589 		nxge_put_tcam(nxgep, mp->b_cont);
590 		miocack(wq, mp, 0, 0);
591 		break;
592 
593 	case NXGE_GET_TCAM:
594 		nxge_get_tcam(nxgep, mp->b_cont);
595 		miocack(wq, mp, 0, 0);
596 		break;
597 
598 	case NXGE_TX_REGS_DUMP:
599 		nxge_txdma_regs_dump_channels(nxgep);
600 		miocack(wq, mp, 0, 0);
601 		break;
602 	case NXGE_RX_REGS_DUMP:
603 		nxge_rxdma_regs_dump_channels(nxgep);
604 		miocack(wq, mp, 0, 0);
605 		break;
606 	case NXGE_VIR_INT_REGS_DUMP:
607 	case NXGE_INT_REGS_DUMP:
608 		nxge_virint_regs_dump(nxgep);
609 		miocack(wq, mp, 0, 0);
610 		break;
611 	case NXGE_RTRACE:
612 		nxge_rtrace_ioctl(nxgep, wq, mp, iocp);
613 		break;
614 	}
615 }
616 
617 /* ARGSUSED */
618 void
619 nxge_loopback_ioctl(p_nxge_t nxgep, queue_t *wq, mblk_t *mp,
620 	struct iocblk *iocp)
621 {
622 	p_lb_property_t lb_props;
623 
624 	size_t size;
625 	int i;
626 
627 	if (mp->b_cont == NULL) {
628 		miocnak(wq, mp, 0, EINVAL);
629 	}
630 	switch (iocp->ioc_cmd) {
631 	case LB_GET_MODE:
632 		NXGE_DEBUG_MSG((nxgep, IOC_CTL, "NXGE_GET_LB_MODE command"));
633 		if (nxgep != NULL) {
634 			*(lb_info_sz_t *)mp->b_cont->b_rptr =
635 			    nxgep->statsp->port_stats.lb_mode;
636 			miocack(wq, mp, sizeof (nxge_lb_t), 0);
637 		} else {
638 			miocnak(wq, mp, 0, EINVAL);
639 		}
640 		break;
641 	case LB_SET_MODE:
642 		NXGE_DEBUG_MSG((nxgep, IOC_CTL, "NXGE_SET_LB_MODE command"));
643 		if (iocp->ioc_count != sizeof (uint32_t)) {
644 			miocack(wq, mp, 0, 0);
645 			break;
646 		}
647 		if ((nxgep != NULL) && nxge_set_lb(nxgep, wq, mp->b_cont)) {
648 			miocack(wq, mp, 0, 0);
649 		} else {
650 			miocnak(wq, mp, 0, EPROTO);
651 		}
652 		break;
653 	case LB_GET_INFO_SIZE:
654 		NXGE_DEBUG_MSG((nxgep, IOC_CTL, "LB_GET_INFO_SIZE command"));
655 		if (nxgep != NULL) {
656 			size = sizeof (lb_normal);
657 			if (nxgep->statsp->mac_stats.cap_10gfdx) {
658 				/* TN1010 does not support external loopback */
659 				if (nxgep->mac.portmode != PORT_1G_TN1010 &&
660 				    nxgep->mac.portmode != PORT_10G_TN1010) {
661 					size += sizeof (lb_external10g);
662 				}
663 				size += sizeof (lb_mac10g);
664 				/* Publish PHY loopback if PHY is present */
665 				if (nxgep->mac.portmode == PORT_10G_COPPER ||
666 				    nxgep->mac.portmode == PORT_10G_TN1010 ||
667 				    nxgep->mac.portmode == PORT_10G_FIBER)
668 					size += sizeof (lb_phy10g);
669 			}
670 
671 			/*
672 			 * Even if cap_10gfdx is false, we still do 10G
673 			 * serdes loopback as a part of SunVTS xnetlbtest
674 			 * internal loopback test.
675 			 */
676 			if (nxgep->mac.portmode == PORT_10G_FIBER ||
677 			    nxgep->mac.portmode == PORT_10G_TN1010 ||
678 			    nxgep->mac.portmode == PORT_10G_SERDES)
679 				size += sizeof (lb_serdes10g);
680 
681 			if (nxgep->statsp->mac_stats.cap_1000fdx) {
682 				/* TN1010 does not support external loopback */
683 				if (nxgep->mac.portmode != PORT_1G_TN1010 &&
684 				    nxgep->mac.portmode != PORT_10G_TN1010) {
685 					size += sizeof (lb_external1000);
686 				}
687 				size += sizeof (lb_mac1000);
688 				if (nxgep->mac.portmode == PORT_1G_COPPER ||
689 				    nxgep->mac.portmode == PORT_1G_TN1010 ||
690 				    nxgep->mac.portmode ==
691 				    PORT_1G_RGMII_FIBER)
692 					size += sizeof (lb_phy1000);
693 			}
694 			if (nxgep->statsp->mac_stats.cap_100fdx)
695 				size += sizeof (lb_external100);
696 			if (nxgep->statsp->mac_stats.cap_10fdx)
697 				size += sizeof (lb_external10);
698 			if (nxgep->mac.portmode == PORT_1G_FIBER ||
699 			    nxgep->mac.portmode == PORT_1G_TN1010 ||
700 			    nxgep->mac.portmode == PORT_1G_SERDES)
701 				size += sizeof (lb_serdes1000);
702 
703 			*(lb_info_sz_t *)mp->b_cont->b_rptr = size;
704 
705 			NXGE_DEBUG_MSG((nxgep, IOC_CTL,
706 			    "NXGE_GET_LB_INFO command: size %d", size));
707 			miocack(wq, mp, sizeof (lb_info_sz_t), 0);
708 		} else
709 			miocnak(wq, mp, 0, EINVAL);
710 		break;
711 
712 	case LB_GET_INFO:
713 		NXGE_DEBUG_MSG((nxgep, IOC_CTL, "NXGE_GET_LB_INFO command"));
714 		if (nxgep != NULL) {
715 			size = sizeof (lb_normal);
716 			if (nxgep->statsp->mac_stats.cap_10gfdx) {
717 				/* TN1010 does not support external loopback */
718 				if (nxgep->mac.portmode != PORT_1G_TN1010 &&
719 				    nxgep->mac.portmode != PORT_10G_TN1010) {
720 					size += sizeof (lb_external10g);
721 				}
722 				size += sizeof (lb_mac10g);
723 				/* Publish PHY loopback if PHY is present */
724 				if (nxgep->mac.portmode == PORT_10G_COPPER ||
725 				    nxgep->mac.portmode == PORT_10G_TN1010 ||
726 				    nxgep->mac.portmode == PORT_10G_FIBER)
727 					size += sizeof (lb_phy10g);
728 			}
729 			if (nxgep->mac.portmode == PORT_10G_FIBER ||
730 			    nxgep->mac.portmode == PORT_10G_TN1010 ||
731 			    nxgep->mac.portmode == PORT_10G_SERDES)
732 				size += sizeof (lb_serdes10g);
733 
734 			if (nxgep->statsp->mac_stats.cap_1000fdx) {
735 				/* TN1010 does not support external loopback */
736 				if (nxgep->mac.portmode != PORT_1G_TN1010 &&
737 				    nxgep->mac.portmode != PORT_10G_TN1010) {
738 					size += sizeof (lb_external1000);
739 				}
740 				size += sizeof (lb_mac1000);
741 				if (nxgep->mac.portmode == PORT_1G_COPPER ||
742 				    nxgep->mac.portmode == PORT_1G_TN1010 ||
743 				    nxgep->mac.portmode ==
744 				    PORT_1G_RGMII_FIBER)
745 					size += sizeof (lb_phy1000);
746 			}
747 			if (nxgep->statsp->mac_stats.cap_100fdx)
748 				size += sizeof (lb_external100);
749 
750 			if (nxgep->statsp->mac_stats.cap_10fdx)
751 				size += sizeof (lb_external10);
752 
753 			if (nxgep->mac.portmode == PORT_1G_FIBER ||
754 			    nxgep->mac.portmode == PORT_1G_TN1010 ||
755 			    nxgep->mac.portmode == PORT_1G_SERDES)
756 				size += sizeof (lb_serdes1000);
757 
758 			NXGE_DEBUG_MSG((nxgep, IOC_CTL,
759 			    "NXGE_GET_LB_INFO command: size %d", size));
760 			if (size == iocp->ioc_count) {
761 				i = 0;
762 				lb_props = (p_lb_property_t)mp->b_cont->b_rptr;
763 				lb_props[i++] = lb_normal;
764 
765 				if (nxgep->statsp->mac_stats.cap_10gfdx) {
766 					lb_props[i++] = lb_mac10g;
767 					if (nxgep->mac.portmode ==
768 					    PORT_10G_COPPER ||
769 					    nxgep->mac.portmode ==
770 					    PORT_10G_TN1010 ||
771 					    nxgep->mac.portmode ==
772 					    PORT_10G_FIBER) {
773 						lb_props[i++] = lb_phy10g;
774 					}
775 					/* TN1010 does not support ext lb */
776 					if (nxgep->mac.portmode !=
777 					    PORT_10G_TN1010 &&
778 					    nxgep->mac.portmode !=
779 					    PORT_1G_TN1010) {
780 						lb_props[i++] = lb_external10g;
781 					}
782 				}
783 
784 				if (nxgep->mac.portmode == PORT_10G_FIBER ||
785 				    nxgep->mac.portmode == PORT_10G_TN1010 ||
786 				    nxgep->mac.portmode == PORT_10G_SERDES)
787 					lb_props[i++] = lb_serdes10g;
788 
789 				if (nxgep->statsp->mac_stats.cap_1000fdx) {
790 					/* TN1010 does not support ext lb */
791 					if (nxgep->mac.portmode !=
792 					    PORT_10G_TN1010 &&
793 					    nxgep->mac.portmode !=
794 					    PORT_1G_TN1010) {
795 						lb_props[i++] = lb_external1000;
796 					}
797 				}
798 
799 				if (nxgep->statsp->mac_stats.cap_100fdx)
800 					lb_props[i++] = lb_external100;
801 
802 				if (nxgep->statsp->mac_stats.cap_10fdx)
803 					lb_props[i++] = lb_external10;
804 
805 				if (nxgep->statsp->mac_stats.cap_1000fdx)
806 					lb_props[i++] = lb_mac1000;
807 
808 				if (nxgep->mac.portmode == PORT_1G_COPPER ||
809 				    nxgep->mac.portmode == PORT_1G_TN1010 ||
810 				    nxgep->mac.portmode ==
811 				    PORT_1G_RGMII_FIBER) {
812 					if (nxgep->statsp->mac_stats.
813 					    cap_1000fdx)
814 						lb_props[i++] = lb_phy1000;
815 				} else if (nxgep->mac.portmode ==
816 				    PORT_1G_FIBER ||
817 				    nxgep->mac.portmode == PORT_1G_TN1010 ||
818 				    nxgep->mac.portmode == PORT_1G_SERDES) {
819 					lb_props[i++] = lb_serdes1000;
820 				}
821 				miocack(wq, mp, size, 0);
822 			} else
823 				miocnak(wq, mp, 0, EINVAL);
824 		} else {
825 			miocnak(wq, mp, 0, EINVAL);
826 			cmn_err(CE_NOTE, "!nxge_hw_ioctl: invalid command 0x%x",
827 			    iocp->ioc_cmd);
828 		}
829 		break;
830 	}
831 }
832 
833 /*
834  * DMA channel interfaces to access various channel specific
835  * hardware functions.
836  */
837 /* ARGSUSED */
838 void
839 nxge_rxdma_channel_put64(nxge_os_acc_handle_t handle, void *reg_addrp,
840 	uint32_t reg_base, uint16_t channel, uint64_t reg_data)
841 {
842 	uint64_t reg_offset;
843 
844 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_rxdma_channel_put64"));
845 
846 	/*
847 	 * Channel is assumed to be from 0 to the maximum DMA channel #. If we
848 	 * use the virtual DMA CSR address space from the config space (in PCI
849 	 * case), then the following code need to be use different offset
850 	 * computation macro.
851 	 */
852 	reg_offset = reg_base + DMC_OFFSET(channel);
853 	NXGE_PIO_WRITE64(handle, reg_addrp, reg_offset, reg_data);
854 
855 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_rxdma_channel_put64"));
856 }
857 
858 /* ARGSUSED */
859 uint64_t
860 nxge_rxdma_channel_get64(nxge_os_acc_handle_t handle, void *reg_addrp,
861 	uint32_t reg_base, uint16_t channel)
862 {
863 	uint64_t reg_offset;
864 
865 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_rxdma_channel_get64"));
866 
867 	/*
868 	 * Channel is assumed to be from 0 to the maximum DMA channel #. If we
869 	 * use the virtual DMA CSR address space from the config space (in PCI
870 	 * case), then the following code need to be use different offset
871 	 * computation macro.
872 	 */
873 	reg_offset = reg_base + DMC_OFFSET(channel);
874 
875 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_rxdma_channel_get64"));
876 
877 	return (NXGE_PIO_READ64(handle, reg_addrp, reg_offset));
878 }
879 
880 /* ARGSUSED */
881 void
882 nxge_get32(p_nxge_t nxgep, p_mblk_t mp)
883 {
884 	nxge_os_acc_handle_t nxge_regh;
885 
886 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "nxge_get32"));
887 	nxge_regh = nxgep->dev_regs->nxge_regh;
888 
889 	*(uint32_t *)mp->b_rptr = NXGE_PIO_READ32(nxge_regh,
890 	    nxgep->dev_regs->nxge_regp, *(uint32_t *)mp->b_rptr);
891 
892 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "value = 0x%08X",
893 	    *(uint32_t *)mp->b_rptr));
894 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "nxge_get32"));
895 }
896 
897 /* ARGSUSED */
898 void
899 nxge_put32(p_nxge_t nxgep, p_mblk_t mp)
900 {
901 	nxge_os_acc_handle_t nxge_regh;
902 	uint32_t *buf;
903 	uint8_t *reg;
904 
905 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "nxge_put32"));
906 	nxge_regh = nxgep->dev_regs->nxge_regh;
907 
908 	buf = (uint32_t *)mp->b_rptr;
909 	reg = (uint8_t *)(nxgep->dev_regs->nxge_regp) + buf[0];
910 	NXGE_DEBUG_MSG((nxgep, IOC_CTL,
911 	    "reg = 0x%016llX index = 0x%08X value = 0x%08X",
912 	    reg, buf[0], buf[1]));
913 	NXGE_PIO_WRITE32(nxge_regh, (uint32_t *)reg, 0, buf[1]);
914 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "nxge_put32"));
915 }
916 
917 /*ARGSUSED*/
918 boolean_t
919 nxge_set_lb(p_nxge_t nxgep, queue_t *wq, p_mblk_t mp)
920 {
921 	boolean_t status = B_TRUE;
922 	uint32_t lb_mode;
923 	lb_property_t *lb_info;
924 
925 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "<== nxge_set_lb"));
926 	lb_mode = nxgep->statsp->port_stats.lb_mode;
927 	if (lb_mode == *(uint32_t *)mp->b_rptr) {
928 		cmn_err(CE_NOTE,
929 		    "!nxge%d: Loopback mode already set (lb_mode %d).\n",
930 		    nxgep->instance, lb_mode);
931 		status = B_FALSE;
932 		goto nxge_set_lb_exit;
933 	}
934 	lb_mode = *(uint32_t *)mp->b_rptr;
935 	lb_info = NULL;
936 	if (lb_mode == lb_normal.value)
937 		lb_info = &lb_normal;
938 	else if ((lb_mode == lb_external10g.value) &&
939 	    (nxgep->statsp->mac_stats.cap_10gfdx))
940 		lb_info = &lb_external10g;
941 	else if ((lb_mode == lb_external1000.value) &&
942 	    (nxgep->statsp->mac_stats.cap_1000fdx))
943 		lb_info = &lb_external1000;
944 	else if ((lb_mode == lb_external100.value) &&
945 	    (nxgep->statsp->mac_stats.cap_100fdx))
946 		lb_info = &lb_external100;
947 	else if ((lb_mode == lb_external10.value) &&
948 	    (nxgep->statsp->mac_stats.cap_10fdx))
949 		lb_info = &lb_external10;
950 	else if ((lb_mode == lb_phy10g.value) &&
951 	    (nxgep->mac.portmode == PORT_10G_COPPER ||
952 	    nxgep->mac.portmode == PORT_10G_TN1010 ||
953 	    nxgep->mac.portmode == PORT_10G_FIBER))
954 		lb_info = &lb_phy10g;
955 	else if ((lb_mode == lb_phy1000.value) &&
956 	    (nxgep->mac.portmode == PORT_1G_COPPER ||
957 	    nxgep->mac.portmode == PORT_1G_TN1010 ||
958 	    nxgep->mac.portmode == PORT_1G_RGMII_FIBER))
959 		lb_info = &lb_phy1000;
960 	else if ((lb_mode == lb_phy.value) &&
961 	    (nxgep->mac.portmode == PORT_1G_COPPER))
962 		lb_info = &lb_phy;
963 	else if ((lb_mode == lb_serdes10g.value) &&
964 	    (nxgep->mac.portmode == PORT_10G_FIBER ||
965 	    nxgep->mac.portmode == PORT_10G_COPPER ||
966 	    nxgep->mac.portmode == PORT_10G_TN1010 ||
967 	    nxgep->mac.portmode == PORT_10G_SERDES))
968 		lb_info = &lb_serdes10g;
969 	else if ((lb_mode == lb_serdes1000.value) &&
970 	    (nxgep->mac.portmode == PORT_1G_FIBER ||
971 	    nxgep->mac.portmode == PORT_1G_TN1010 ||
972 	    nxgep->mac.portmode == PORT_1G_SERDES))
973 		lb_info = &lb_serdes1000;
974 	else if (lb_mode == lb_mac10g.value)
975 		lb_info = &lb_mac10g;
976 	else if (lb_mode == lb_mac1000.value)
977 		lb_info = &lb_mac1000;
978 	else if (lb_mode == lb_mac.value)
979 		lb_info = &lb_mac;
980 	else {
981 		cmn_err(CE_NOTE,
982 		    "!nxge%d: Loopback mode not supported(mode %d).\n",
983 		    nxgep->instance, lb_mode);
984 		status = B_FALSE;
985 		goto nxge_set_lb_exit;
986 	}
987 
988 	if (lb_mode == nxge_lb_normal) {
989 		if (nxge_lb_dbg) {
990 			cmn_err(CE_NOTE,
991 			    "!nxge%d: Returning to normal operation",
992 			    nxgep->instance);
993 		}
994 		if (nxge_set_lb_normal(nxgep) != NXGE_OK) {
995 			status = B_FALSE;
996 			cmn_err(CE_NOTE,
997 			    "!nxge%d: Failed to return to normal operation",
998 			    nxgep->instance);
999 		}
1000 		goto nxge_set_lb_exit;
1001 	}
1002 	nxgep->statsp->port_stats.lb_mode = lb_mode;
1003 
1004 	if (nxge_lb_dbg)
1005 		cmn_err(CE_NOTE,
1006 		    "!nxge%d: Adapter now in %s loopback mode",
1007 		    nxgep->instance, lb_info->key);
1008 	nxgep->param_arr[param_autoneg].value = 0;
1009 	nxgep->param_arr[param_anar_10gfdx].value =
1010 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext10g) ||
1011 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_mac10g) ||
1012 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_phy10g) ||
1013 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_serdes10g);
1014 	nxgep->param_arr[param_anar_10ghdx].value = 0;
1015 	nxgep->param_arr[param_anar_1000fdx].value =
1016 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext1000) ||
1017 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_mac1000) ||
1018 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_phy1000) ||
1019 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_serdes1000);
1020 	nxgep->param_arr[param_anar_1000hdx].value = 0;
1021 	nxgep->param_arr[param_anar_100fdx].value =
1022 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_phy) ||
1023 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_mac) ||
1024 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext100);
1025 	nxgep->param_arr[param_anar_100hdx].value = 0;
1026 	nxgep->param_arr[param_anar_10fdx].value =
1027 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_mac) ||
1028 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext10);
1029 	if (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext1000) {
1030 		nxgep->param_arr[param_master_cfg_enable].value = 1;
1031 		nxgep->param_arr[param_master_cfg_value].value = 1;
1032 	}
1033 	if ((nxgep->statsp->port_stats.lb_mode == nxge_lb_ext10g) ||
1034 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext1000) ||
1035 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext100) ||
1036 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_ext10) ||
1037 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_phy10g) ||
1038 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_phy1000) ||
1039 	    (nxgep->statsp->port_stats.lb_mode == nxge_lb_phy)) {
1040 
1041 		if (nxge_link_monitor(nxgep, LINK_MONITOR_STOP) != NXGE_OK)
1042 			goto nxge_set_lb_err;
1043 		if (nxge_xcvr_find(nxgep) != NXGE_OK)
1044 			goto nxge_set_lb_err;
1045 		if (nxge_link_init(nxgep) != NXGE_OK)
1046 			goto nxge_set_lb_err;
1047 		if (nxge_link_monitor(nxgep, LINK_MONITOR_START) != NXGE_OK)
1048 			goto nxge_set_lb_err;
1049 	}
1050 	if (lb_info->lb_type == internal) {
1051 		if ((nxgep->statsp->port_stats.lb_mode == nxge_lb_mac10g) ||
1052 		    (nxgep->statsp->port_stats.lb_mode ==
1053 		    nxge_lb_phy10g) ||
1054 		    (nxgep->statsp->port_stats.lb_mode ==
1055 		    nxge_lb_serdes10g)) {
1056 			nxgep->statsp->mac_stats.link_speed = 10000;
1057 		} else if ((nxgep->statsp->port_stats.lb_mode
1058 		    == nxge_lb_mac1000) ||
1059 		    (nxgep->statsp->port_stats.lb_mode ==
1060 		    nxge_lb_phy1000) ||
1061 		    (nxgep->statsp->port_stats.lb_mode ==
1062 		    nxge_lb_serdes1000)) {
1063 			nxgep->statsp->mac_stats.link_speed = 1000;
1064 		} else {
1065 			nxgep->statsp->mac_stats.link_speed = 100;
1066 		}
1067 		nxgep->statsp->mac_stats.link_duplex = 2;
1068 		nxgep->statsp->mac_stats.link_up = 1;
1069 	}
1070 	if (nxge_global_reset(nxgep) != NXGE_OK)
1071 		goto nxge_set_lb_err;
1072 
1073 nxge_set_lb_exit:
1074 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1075 	    "<== nxge_set_lb status = 0x%08x", status));
1076 	return (status);
1077 nxge_set_lb_err:
1078 	status = B_FALSE;
1079 	cmn_err(CE_NOTE,
1080 	    "!nxge%d: Failed to put adapter in %s loopback mode",
1081 	    nxgep->instance, lb_info->key);
1082 	return (status);
1083 }
1084 
1085 /* Return to normal (no loopback) mode */
1086 /* ARGSUSED */
1087 nxge_status_t
1088 nxge_set_lb_normal(p_nxge_t nxgep)
1089 {
1090 	nxge_status_t	status = NXGE_OK;
1091 
1092 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_set_lb_normal"));
1093 
1094 	nxgep->statsp->port_stats.lb_mode = nxge_lb_normal;
1095 	nxgep->param_arr[param_autoneg].value =
1096 	    nxgep->param_arr[param_autoneg].old_value;
1097 	nxgep->param_arr[param_anar_1000fdx].value =
1098 	    nxgep->param_arr[param_anar_1000fdx].old_value;
1099 	nxgep->param_arr[param_anar_1000hdx].value =
1100 	    nxgep->param_arr[param_anar_1000hdx].old_value;
1101 	nxgep->param_arr[param_anar_100fdx].value =
1102 	    nxgep->param_arr[param_anar_100fdx].old_value;
1103 	nxgep->param_arr[param_anar_100hdx].value =
1104 	    nxgep->param_arr[param_anar_100hdx].old_value;
1105 	nxgep->param_arr[param_anar_10fdx].value =
1106 	    nxgep->param_arr[param_anar_10fdx].old_value;
1107 	nxgep->param_arr[param_master_cfg_enable].value =
1108 	    nxgep->param_arr[param_master_cfg_enable].old_value;
1109 	nxgep->param_arr[param_master_cfg_value].value =
1110 	    nxgep->param_arr[param_master_cfg_value].old_value;
1111 
1112 	if ((status = nxge_global_reset(nxgep)) != NXGE_OK)
1113 		return (status);
1114 
1115 	if ((status = nxge_link_monitor(nxgep, LINK_MONITOR_STOP)) != NXGE_OK)
1116 		return (status);
1117 	if ((status = nxge_xcvr_find(nxgep)) != NXGE_OK)
1118 		return (status);
1119 	if ((status = nxge_link_init(nxgep)) != NXGE_OK)
1120 		return (status);
1121 	status = nxge_link_monitor(nxgep, LINK_MONITOR_START);
1122 
1123 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_set_lb_normal"));
1124 
1125 	return (status);
1126 }
1127 
1128 /* ARGSUSED */
1129 void
1130 nxge_get_mii(p_nxge_t nxgep, p_mblk_t mp)
1131 {
1132 	uint16_t reg;
1133 
1134 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "==> nxge_get_mii"));
1135 
1136 	reg = *(uint16_t *)mp->b_rptr;
1137 	(void) nxge_mii_read(nxgep, nxgep->statsp->mac_stats.xcvr_portn, reg,
1138 	    (uint16_t *)mp->b_rptr);
1139 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "reg = 0x%08X value = 0x%04X",
1140 	    reg, *(uint16_t *)mp->b_rptr));
1141 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "<== nxge_get_mii"));
1142 }
1143 
1144 /* ARGSUSED */
1145 void
1146 nxge_put_mii(p_nxge_t nxgep, p_mblk_t mp)
1147 {
1148 	uint16_t *buf;
1149 	uint8_t reg;
1150 
1151 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "==> nxge_put_mii"));
1152 	buf = (uint16_t *)mp->b_rptr;
1153 	reg = (uint8_t)buf[0];
1154 	NXGE_DEBUG_MSG((nxgep, IOC_CTL,
1155 	    "reg = 0x%08X index = 0x%08X value = 0x%08X",
1156 	    reg, buf[0], buf[1]));
1157 	(void) nxge_mii_write(nxgep, nxgep->statsp->mac_stats.xcvr_portn,
1158 	    reg, buf[1]);
1159 	NXGE_DEBUG_MSG((nxgep, IOC_CTL, "<== nxge_put_mii"));
1160 }
1161 
1162 /* ARGSUSED */
1163 void
1164 nxge_check_hw_state(p_nxge_t nxgep)
1165 {
1166 	p_nxge_ldgv_t ldgvp;
1167 	p_nxge_ldv_t t_ldvp;
1168 
1169 	NXGE_DEBUG_MSG((nxgep, SYSERR_CTL, "==> nxge_check_hw_state"));
1170 
1171 	MUTEX_ENTER(nxgep->genlock);
1172 	nxgep->nxge_timerid = 0;
1173 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
1174 		goto nxge_check_hw_state_exit;
1175 	}
1176 	nxge_check_tx_hang(nxgep);
1177 
1178 	ldgvp = nxgep->ldgvp;
1179 	if (ldgvp == NULL || (ldgvp->ldvp_syserr == NULL)) {
1180 		NXGE_ERROR_MSG((nxgep, SYSERR_CTL, "<== nxge_check_hw_state: "
1181 		    "NULL ldgvp (interrupt not ready)."));
1182 		goto nxge_check_hw_state_exit;
1183 	}
1184 	t_ldvp = ldgvp->ldvp_syserr;
1185 	if (!t_ldvp->use_timer) {
1186 		NXGE_DEBUG_MSG((nxgep, SYSERR_CTL, "<== nxge_check_hw_state: "
1187 		    "ldgvp $%p t_ldvp $%p use_timer flag %d",
1188 		    ldgvp, t_ldvp, t_ldvp->use_timer));
1189 		goto nxge_check_hw_state_exit;
1190 	}
1191 	if (fm_check_acc_handle(nxgep->dev_regs->nxge_regh) != DDI_FM_OK) {
1192 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1193 		    "port%d Bad register acc handle", nxgep->mac.portnum));
1194 	}
1195 	(void) nxge_syserr_intr((void *) t_ldvp, (void *) nxgep);
1196 
1197 	nxgep->nxge_timerid = nxge_start_timer(nxgep, nxge_check_hw_state,
1198 	    NXGE_CHECK_TIMER);
1199 
1200 nxge_check_hw_state_exit:
1201 	MUTEX_EXIT(nxgep->genlock);
1202 	NXGE_DEBUG_MSG((nxgep, SYSERR_CTL, "<== nxge_check_hw_state"));
1203 }
1204 
1205 /*ARGSUSED*/
1206 static void
1207 nxge_rtrace_ioctl(p_nxge_t nxgep, queue_t *wq, mblk_t *mp,
1208 	struct iocblk *iocp)
1209 {
1210 	ssize_t size;
1211 	rtrace_t *rtp;
1212 	mblk_t *nmp;
1213 	uint32_t i, j;
1214 	uint32_t start_blk;
1215 	uint32_t base_entry;
1216 	uint32_t num_entries;
1217 
1218 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_rtrace_ioctl"));
1219 
1220 	size = 1024;
1221 	if (mp->b_cont == NULL || MBLKL(mp->b_cont) < size) {
1222 		NXGE_DEBUG_MSG((nxgep, STR_CTL,
1223 		    "malformed M_IOCTL MBLKL = %d size = %d",
1224 		    MBLKL(mp->b_cont), size));
1225 		miocnak(wq, mp, 0, EINVAL);
1226 		return;
1227 	}
1228 	nmp = mp->b_cont;
1229 	rtp = (rtrace_t *)nmp->b_rptr;
1230 	start_blk = rtp->next_idx;
1231 	num_entries = rtp->last_idx;
1232 	base_entry = start_blk * MAX_RTRACE_IOC_ENTRIES;
1233 
1234 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "start_blk = %d\n", start_blk));
1235 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "num_entries = %d\n", num_entries));
1236 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "base_entry = %d\n", base_entry));
1237 
1238 	rtp->next_idx = npi_rtracebuf.next_idx;
1239 	rtp->last_idx = npi_rtracebuf.last_idx;
1240 	rtp->wrapped = npi_rtracebuf.wrapped;
1241 	for (i = 0, j = base_entry; i < num_entries; i++, j++) {
1242 		rtp->buf[i].ctl_addr = npi_rtracebuf.buf[j].ctl_addr;
1243 		rtp->buf[i].val_l32 = npi_rtracebuf.buf[j].val_l32;
1244 		rtp->buf[i].val_h32 = npi_rtracebuf.buf[j].val_h32;
1245 	}
1246 
1247 	nmp->b_wptr = nmp->b_rptr + size;
1248 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "<== nxge_rtrace_ioctl"));
1249 	miocack(wq, mp, (int)size, 0);
1250 }
1251