xref: /titanic_52/usr/src/uts/common/io/nxge/nxge_main.c (revision 1959748cbddf37d4734c107dadfa449e076045e3)
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 2007 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 /*
29  * SunOs MT STREAMS NIU/Neptune 10Gb Ethernet Device Driver.
30  */
31 #include	<sys/nxge/nxge_impl.h>
32 #include	<sys/pcie.h>
33 
34 uint32_t 	nxge_use_partition = 0;		/* debug partition flag */
35 uint32_t 	nxge_dma_obp_props_only = 1;	/* use obp published props */
36 uint32_t 	nxge_use_rdc_intr = 1;		/* debug to assign rdc intr */
37 /*
38  * until MSIX supported, assume msi, use 2 for msix
39  */
40 uint32_t	nxge_msi_enable = 1;		/* debug: turn msi off */
41 
42 /*
43  * Globals: tunable parameters (/etc/system or adb)
44  *
45  */
46 uint32_t 	nxge_rbr_size = NXGE_RBR_RBB_DEFAULT;
47 uint32_t 	nxge_rbr_spare_size = 0;
48 uint32_t 	nxge_rcr_size = NXGE_RCR_DEFAULT;
49 uint32_t 	nxge_tx_ring_size = NXGE_TX_RING_DEFAULT;
50 boolean_t 	nxge_no_msg = B_TRUE;		/* control message display */
51 uint32_t 	nxge_no_link_notify = 0;	/* control DL_NOTIFY */
52 uint32_t 	nxge_bcopy_thresh = TX_BCOPY_MAX;
53 uint32_t 	nxge_dvma_thresh = TX_FASTDVMA_MIN;
54 uint32_t 	nxge_dma_stream_thresh = TX_STREAM_MIN;
55 uint32_t	nxge_jumbo_mtu	= TX_JUMBO_MTU;
56 boolean_t	nxge_jumbo_enable = B_FALSE;
57 uint16_t	nxge_rcr_timeout = NXGE_RDC_RCR_TIMEOUT;
58 uint16_t	nxge_rcr_threshold = NXGE_RDC_RCR_THRESHOLD;
59 nxge_tx_mode_t	nxge_tx_scheme = NXGE_USE_SERIAL;
60 
61 /*
62  * Debugging flags:
63  *		nxge_no_tx_lb : transmit load balancing
64  *		nxge_tx_lb_policy: 0 - TCP port (default)
65  *				   3 - DEST MAC
66  */
67 uint32_t 	nxge_no_tx_lb = 0;
68 uint32_t 	nxge_tx_lb_policy = NXGE_TX_LB_TCPUDP;
69 
70 /*
71  * Add tunable to reduce the amount of time spent in the
72  * ISR doing Rx Processing.
73  */
74 uint32_t nxge_max_rx_pkts = 1024;
75 
76 /*
77  * Tunables to manage the receive buffer blocks.
78  *
79  * nxge_rx_threshold_hi: copy all buffers.
80  * nxge_rx_bcopy_size_type: receive buffer block size type.
81  * nxge_rx_threshold_lo: copy only up to tunable block size type.
82  */
83 nxge_rxbuf_threshold_t nxge_rx_threshold_hi = NXGE_RX_COPY_6;
84 nxge_rxbuf_type_t nxge_rx_buf_size_type = RCR_PKTBUFSZ_0;
85 nxge_rxbuf_threshold_t nxge_rx_threshold_lo = NXGE_RX_COPY_3;
86 
87 rtrace_t npi_rtracebuf;
88 
89 #if	defined(sun4v)
90 /*
91  * Hypervisor N2/NIU services information.
92  */
93 static hsvc_info_t niu_hsvc = {
94 	HSVC_REV_1, NULL, HSVC_GROUP_NIU, NIU_MAJOR_VER,
95 	NIU_MINOR_VER, "nxge"
96 };
97 #endif
98 
99 /*
100  * Function Prototypes
101  */
102 static int nxge_attach(dev_info_t *, ddi_attach_cmd_t);
103 static int nxge_detach(dev_info_t *, ddi_detach_cmd_t);
104 static void nxge_unattach(p_nxge_t);
105 
106 #if NXGE_PROPERTY
107 static void nxge_remove_hard_properties(p_nxge_t);
108 #endif
109 
110 static nxge_status_t nxge_setup_system_dma_pages(p_nxge_t);
111 
112 static nxge_status_t nxge_setup_mutexes(p_nxge_t);
113 static void nxge_destroy_mutexes(p_nxge_t);
114 
115 static nxge_status_t nxge_map_regs(p_nxge_t nxgep);
116 static void nxge_unmap_regs(p_nxge_t nxgep);
117 #ifdef	NXGE_DEBUG
118 static void nxge_test_map_regs(p_nxge_t nxgep);
119 #endif
120 
121 static nxge_status_t nxge_add_intrs(p_nxge_t nxgep);
122 static nxge_status_t nxge_add_soft_intrs(p_nxge_t nxgep);
123 static void nxge_remove_intrs(p_nxge_t nxgep);
124 static void nxge_remove_soft_intrs(p_nxge_t nxgep);
125 
126 static nxge_status_t nxge_add_intrs_adv(p_nxge_t nxgep);
127 static nxge_status_t nxge_add_intrs_adv_type(p_nxge_t, uint32_t);
128 static nxge_status_t nxge_add_intrs_adv_type_fix(p_nxge_t, uint32_t);
129 static void nxge_intrs_enable(p_nxge_t nxgep);
130 static void nxge_intrs_disable(p_nxge_t nxgep);
131 
132 static void nxge_suspend(p_nxge_t);
133 static nxge_status_t nxge_resume(p_nxge_t);
134 
135 static nxge_status_t nxge_setup_dev(p_nxge_t);
136 static void nxge_destroy_dev(p_nxge_t);
137 
138 static nxge_status_t nxge_alloc_mem_pool(p_nxge_t);
139 static void nxge_free_mem_pool(p_nxge_t);
140 
141 static nxge_status_t nxge_alloc_rx_mem_pool(p_nxge_t);
142 static void nxge_free_rx_mem_pool(p_nxge_t);
143 
144 static nxge_status_t nxge_alloc_tx_mem_pool(p_nxge_t);
145 static void nxge_free_tx_mem_pool(p_nxge_t);
146 
147 static nxge_status_t nxge_dma_mem_alloc(p_nxge_t, dma_method_t,
148 	struct ddi_dma_attr *,
149 	size_t, ddi_device_acc_attr_t *, uint_t,
150 	p_nxge_dma_common_t);
151 
152 static void nxge_dma_mem_free(p_nxge_dma_common_t);
153 
154 static nxge_status_t nxge_alloc_rx_buf_dma(p_nxge_t, uint16_t,
155 	p_nxge_dma_common_t *, size_t, size_t, uint32_t *);
156 static void nxge_free_rx_buf_dma(p_nxge_t, p_nxge_dma_common_t, uint32_t);
157 
158 static nxge_status_t nxge_alloc_rx_cntl_dma(p_nxge_t, uint16_t,
159 	p_nxge_dma_common_t *, size_t);
160 static void nxge_free_rx_cntl_dma(p_nxge_t, p_nxge_dma_common_t);
161 
162 static nxge_status_t nxge_alloc_tx_buf_dma(p_nxge_t, uint16_t,
163 	p_nxge_dma_common_t *, size_t, size_t, uint32_t *);
164 static void nxge_free_tx_buf_dma(p_nxge_t, p_nxge_dma_common_t, uint32_t);
165 
166 static nxge_status_t nxge_alloc_tx_cntl_dma(p_nxge_t, uint16_t,
167 	p_nxge_dma_common_t *,
168 	size_t);
169 static void nxge_free_tx_cntl_dma(p_nxge_t, p_nxge_dma_common_t);
170 
171 static int nxge_init_common_dev(p_nxge_t);
172 static void nxge_uninit_common_dev(p_nxge_t);
173 
174 /*
175  * The next declarations are for the GLDv3 interface.
176  */
177 static int nxge_m_start(void *);
178 static void nxge_m_stop(void *);
179 static int nxge_m_unicst(void *, const uint8_t *);
180 static int nxge_m_multicst(void *, boolean_t, const uint8_t *);
181 static int nxge_m_promisc(void *, boolean_t);
182 static void nxge_m_ioctl(void *, queue_t *, mblk_t *);
183 static void nxge_m_resources(void *);
184 mblk_t *nxge_m_tx(void *arg, mblk_t *);
185 static nxge_status_t nxge_mac_register(p_nxge_t);
186 static int nxge_altmac_set(p_nxge_t nxgep, uint8_t *mac_addr,
187 	mac_addr_slot_t slot);
188 static void nxge_mmac_kstat_update(p_nxge_t nxgep, mac_addr_slot_t slot,
189 	boolean_t factory);
190 static int nxge_m_mmac_add(void *arg, mac_multi_addr_t *maddr);
191 static int nxge_m_mmac_reserve(void *arg, mac_multi_addr_t *maddr);
192 static int nxge_m_mmac_remove(void *arg, mac_addr_slot_t slot);
193 static int nxge_m_mmac_modify(void *arg, mac_multi_addr_t *maddr);
194 static int nxge_m_mmac_get(void *arg, mac_multi_addr_t *maddr);
195 
196 #define	NXGE_NEPTUNE_MAGIC	0x4E584745UL
197 #define	MAX_DUMP_SZ 256
198 
199 #define	NXGE_M_CALLBACK_FLAGS	(MC_RESOURCES | MC_IOCTL | MC_GETCAPAB)
200 
201 static	boolean_t	nxge_m_getcapab(void *, mac_capab_t, void *);
202 static mac_callbacks_t nxge_m_callbacks = {
203 	NXGE_M_CALLBACK_FLAGS,
204 	nxge_m_stat,
205 	nxge_m_start,
206 	nxge_m_stop,
207 	nxge_m_promisc,
208 	nxge_m_multicst,
209 	nxge_m_unicst,
210 	nxge_m_tx,
211 	nxge_m_resources,
212 	nxge_m_ioctl,
213 	nxge_m_getcapab
214 };
215 
216 void
217 nxge_err_inject(p_nxge_t, queue_t *, mblk_t *);
218 
219 /*
220  * These global variables control the message
221  * output.
222  */
223 out_dbgmsg_t nxge_dbgmsg_out = DBG_CONSOLE | STR_LOG;
224 uint64_t nxge_debug_level = 0;
225 
226 /*
227  * This list contains the instance structures for the Neptune
228  * devices present in the system. The lock exists to guarantee
229  * mutually exclusive access to the list.
230  */
231 void 			*nxge_list = NULL;
232 
233 void			*nxge_hw_list = NULL;
234 nxge_os_mutex_t 	nxge_common_lock;
235 
236 nxge_os_mutex_t		nxge_mii_lock;
237 static uint32_t		nxge_mii_lock_init = 0;
238 nxge_os_mutex_t		nxge_mdio_lock;
239 static uint32_t		nxge_mdio_lock_init = 0;
240 
241 extern uint64_t 	npi_debug_level;
242 
243 extern nxge_status_t	nxge_ldgv_init(p_nxge_t, int *, int *);
244 extern nxge_status_t	nxge_ldgv_init_n2(p_nxge_t, int *, int *);
245 extern nxge_status_t	nxge_ldgv_uninit(p_nxge_t);
246 extern nxge_status_t	nxge_intr_ldgv_init(p_nxge_t);
247 extern void		nxge_fm_init(p_nxge_t,
248 					ddi_device_acc_attr_t *,
249 					ddi_device_acc_attr_t *,
250 					ddi_dma_attr_t *);
251 extern void		nxge_fm_fini(p_nxge_t);
252 extern npi_status_t	npi_mac_altaddr_disable(npi_handle_t, uint8_t, uint8_t);
253 
254 /*
255  * Count used to maintain the number of buffers being used
256  * by Neptune instances and loaned up to the upper layers.
257  */
258 uint32_t nxge_mblks_pending = 0;
259 
260 /*
261  * Device register access attributes for PIO.
262  */
263 static ddi_device_acc_attr_t nxge_dev_reg_acc_attr = {
264 	DDI_DEVICE_ATTR_V0,
265 	DDI_STRUCTURE_LE_ACC,
266 	DDI_STRICTORDER_ACC,
267 };
268 
269 /*
270  * Device descriptor access attributes for DMA.
271  */
272 static ddi_device_acc_attr_t nxge_dev_desc_dma_acc_attr = {
273 	DDI_DEVICE_ATTR_V0,
274 	DDI_STRUCTURE_LE_ACC,
275 	DDI_STRICTORDER_ACC
276 };
277 
278 /*
279  * Device buffer access attributes for DMA.
280  */
281 static ddi_device_acc_attr_t nxge_dev_buf_dma_acc_attr = {
282 	DDI_DEVICE_ATTR_V0,
283 	DDI_STRUCTURE_BE_ACC,
284 	DDI_STRICTORDER_ACC
285 };
286 
287 ddi_dma_attr_t nxge_desc_dma_attr = {
288 	DMA_ATTR_V0,		/* version number. */
289 	0,			/* low address */
290 	0xffffffffffffffff,	/* high address */
291 	0xffffffffffffffff,	/* address counter max */
292 #ifndef NIU_PA_WORKAROUND
293 	0x100000,		/* alignment */
294 #else
295 	0x2000,
296 #endif
297 	0xfc00fc,		/* dlim_burstsizes */
298 	0x1,			/* minimum transfer size */
299 	0xffffffffffffffff,	/* maximum transfer size */
300 	0xffffffffffffffff,	/* maximum segment size */
301 	1,			/* scatter/gather list length */
302 	(unsigned int) 1,	/* granularity */
303 	0			/* attribute flags */
304 };
305 
306 ddi_dma_attr_t nxge_tx_dma_attr = {
307 	DMA_ATTR_V0,		/* version number. */
308 	0,			/* low address */
309 	0xffffffffffffffff,	/* high address */
310 	0xffffffffffffffff,	/* address counter max */
311 #if defined(_BIG_ENDIAN)
312 	0x2000,			/* alignment */
313 #else
314 	0x1000,			/* alignment */
315 #endif
316 	0xfc00fc,		/* dlim_burstsizes */
317 	0x1,			/* minimum transfer size */
318 	0xffffffffffffffff,	/* maximum transfer size */
319 	0xffffffffffffffff,	/* maximum segment size */
320 	5,			/* scatter/gather list length */
321 	(unsigned int) 1,	/* granularity */
322 	0			/* attribute flags */
323 };
324 
325 ddi_dma_attr_t nxge_rx_dma_attr = {
326 	DMA_ATTR_V0,		/* version number. */
327 	0,			/* low address */
328 	0xffffffffffffffff,	/* high address */
329 	0xffffffffffffffff,	/* address counter max */
330 	0x2000,			/* alignment */
331 	0xfc00fc,		/* dlim_burstsizes */
332 	0x1,			/* minimum transfer size */
333 	0xffffffffffffffff,	/* maximum transfer size */
334 	0xffffffffffffffff,	/* maximum segment size */
335 	1,			/* scatter/gather list length */
336 	(unsigned int) 1,	/* granularity */
337 	DDI_DMA_RELAXED_ORDERING /* attribute flags */
338 };
339 
340 ddi_dma_lim_t nxge_dma_limits = {
341 	(uint_t)0,		/* dlim_addr_lo */
342 	(uint_t)0xffffffff,	/* dlim_addr_hi */
343 	(uint_t)0xffffffff,	/* dlim_cntr_max */
344 	(uint_t)0xfc00fc,	/* dlim_burstsizes for 32 and 64 bit xfers */
345 	0x1,			/* dlim_minxfer */
346 	1024			/* dlim_speed */
347 };
348 
349 dma_method_t nxge_force_dma = DVMA;
350 
351 /*
352  * dma chunk sizes.
353  *
354  * Try to allocate the largest possible size
355  * so that fewer number of dma chunks would be managed
356  */
357 #ifdef NIU_PA_WORKAROUND
358 size_t alloc_sizes [] = {0x2000};
359 #else
360 size_t alloc_sizes [] = {0x1000, 0x2000, 0x4000, 0x8000,
361 		0x10000, 0x20000, 0x40000, 0x80000,
362 		0x100000, 0x200000, 0x400000, 0x800000, 0x1000000};
363 #endif
364 
365 /*
366  * Translate "dev_t" to a pointer to the associated "dev_info_t".
367  */
368 
369 static int
370 nxge_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
371 {
372 	p_nxge_t	nxgep = NULL;
373 	int		instance;
374 	int		status = DDI_SUCCESS;
375 	uint8_t		portn;
376 	nxge_mmac_t	*mmac_info;
377 
378 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_attach"));
379 
380 	/*
381 	 * Get the device instance since we'll need to setup
382 	 * or retrieve a soft state for this instance.
383 	 */
384 	instance = ddi_get_instance(dip);
385 
386 	switch (cmd) {
387 	case DDI_ATTACH:
388 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_ATTACH"));
389 		break;
390 
391 	case DDI_RESUME:
392 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_RESUME"));
393 		nxgep = (p_nxge_t)ddi_get_soft_state(nxge_list, instance);
394 		if (nxgep == NULL) {
395 			status = DDI_FAILURE;
396 			break;
397 		}
398 		if (nxgep->dip != dip) {
399 			status = DDI_FAILURE;
400 			break;
401 		}
402 		if (nxgep->suspended == DDI_PM_SUSPEND) {
403 			status = ddi_dev_is_needed(nxgep->dip, 0, 1);
404 		} else {
405 			status = nxge_resume(nxgep);
406 		}
407 		goto nxge_attach_exit;
408 
409 	case DDI_PM_RESUME:
410 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_PM_RESUME"));
411 		nxgep = (p_nxge_t)ddi_get_soft_state(nxge_list, instance);
412 		if (nxgep == NULL) {
413 			status = DDI_FAILURE;
414 			break;
415 		}
416 		if (nxgep->dip != dip) {
417 			status = DDI_FAILURE;
418 			break;
419 		}
420 		status = nxge_resume(nxgep);
421 		goto nxge_attach_exit;
422 
423 	default:
424 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing unknown"));
425 		status = DDI_FAILURE;
426 		goto nxge_attach_exit;
427 	}
428 
429 
430 	if (ddi_soft_state_zalloc(nxge_list, instance) == DDI_FAILURE) {
431 		status = DDI_FAILURE;
432 		goto nxge_attach_exit;
433 	}
434 
435 	nxgep = ddi_get_soft_state(nxge_list, instance);
436 	if (nxgep == NULL) {
437 		status = NXGE_ERROR;
438 		goto nxge_attach_fail2;
439 	}
440 
441 	nxgep->nxge_magic = NXGE_MAGIC;
442 
443 	nxgep->drv_state = 0;
444 	nxgep->dip = dip;
445 	nxgep->instance = instance;
446 	nxgep->p_dip = ddi_get_parent(dip);
447 	nxgep->nxge_debug_level = nxge_debug_level;
448 	npi_debug_level = nxge_debug_level;
449 
450 	nxge_fm_init(nxgep, &nxge_dev_reg_acc_attr, &nxge_dev_desc_dma_acc_attr,
451 				&nxge_rx_dma_attr);
452 
453 	status = nxge_map_regs(nxgep);
454 	if (status != NXGE_OK) {
455 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "nxge_map_regs failed"));
456 		goto nxge_attach_fail3;
457 	}
458 
459 	status = nxge_init_common_dev(nxgep);
460 	if (status != NXGE_OK) {
461 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
462 			"nxge_init_common_dev failed"));
463 		goto nxge_attach_fail4;
464 	}
465 
466 	if (nxgep->niu_type == NEPTUNE_2_10GF) {
467 		if (nxgep->function_num > 1) {
468 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "Unsupported"
469 			    " function %d. Only functions 0 and 1 are "
470 			    "supported for this card.", nxgep->function_num));
471 			status = NXGE_ERROR;
472 			goto nxge_attach_fail4;
473 		}
474 	}
475 
476 	portn = NXGE_GET_PORT_NUM(nxgep->function_num);
477 	nxgep->mac.portnum = portn;
478 	if ((portn == 0) || (portn == 1))
479 		nxgep->mac.porttype = PORT_TYPE_XMAC;
480 	else
481 		nxgep->mac.porttype = PORT_TYPE_BMAC;
482 	/*
483 	 * Neptune has 4 ports, the first 2 ports use XMAC (10G MAC)
484 	 * internally, the rest 2 ports use BMAC (1G "Big" MAC).
485 	 * The two types of MACs have different characterizations.
486 	 */
487 	mmac_info = &nxgep->nxge_mmac_info;
488 	if (nxgep->function_num < 2) {
489 		mmac_info->num_mmac = XMAC_MAX_ALT_ADDR_ENTRY;
490 		mmac_info->naddrfree = XMAC_MAX_ALT_ADDR_ENTRY;
491 	} else {
492 		mmac_info->num_mmac = BMAC_MAX_ALT_ADDR_ENTRY;
493 		mmac_info->naddrfree = BMAC_MAX_ALT_ADDR_ENTRY;
494 	}
495 	/*
496 	 * Setup the Ndd parameters for the this instance.
497 	 */
498 	nxge_init_param(nxgep);
499 
500 	/*
501 	 * Setup Register Tracing Buffer.
502 	 */
503 	npi_rtrace_buf_init((rtrace_t *)&npi_rtracebuf);
504 
505 	/* init stats ptr */
506 	nxge_init_statsp(nxgep);
507 
508 	/*
509 	 * read the vpd info from the eeprom into local data
510 	 * structure and check for the VPD info validity
511 	 */
512 	nxge_vpd_info_get(nxgep);
513 
514 	status = nxge_xcvr_find(nxgep);
515 
516 	if (status != NXGE_OK) {
517 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "nxge_attach: "
518 				    " Couldn't determine card type"
519 				    " .... exit "));
520 		goto nxge_attach_fail5;
521 	}
522 
523 	status = nxge_get_config_properties(nxgep);
524 
525 	if (status != NXGE_OK) {
526 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "get_hw create failed"));
527 		goto nxge_attach_fail;
528 	}
529 
530 	/*
531 	 * Setup the Kstats for the driver.
532 	 */
533 	nxge_setup_kstats(nxgep);
534 
535 	nxge_setup_param(nxgep);
536 
537 	status = nxge_setup_system_dma_pages(nxgep);
538 	if (status != NXGE_OK) {
539 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "set dma page failed"));
540 		goto nxge_attach_fail;
541 	}
542 
543 #if	defined(sun4v)
544 	if (nxgep->niu_type == N2_NIU) {
545 		nxgep->niu_hsvc_available = B_FALSE;
546 		bcopy(&niu_hsvc, &nxgep->niu_hsvc, sizeof (hsvc_info_t));
547 		if ((status =
548 			hsvc_register(&nxgep->niu_hsvc,
549 					&nxgep->niu_min_ver)) != 0) {
550 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
551 					"nxge_attach: "
552 					"%s: cannot negotiate "
553 					"hypervisor services "
554 					"revision %d "
555 					"group: 0x%lx "
556 					"major: 0x%lx minor: 0x%lx "
557 					"errno: %d",
558 					niu_hsvc.hsvc_modname,
559 					niu_hsvc.hsvc_rev,
560 					niu_hsvc.hsvc_group,
561 					niu_hsvc.hsvc_major,
562 					niu_hsvc.hsvc_minor,
563 					status));
564 				status = DDI_FAILURE;
565 				goto nxge_attach_fail;
566 		}
567 
568 		nxgep->niu_hsvc_available = B_TRUE;
569 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
570 			"NIU Hypervisor service enabled"));
571 	}
572 #endif
573 
574 	nxge_hw_id_init(nxgep);
575 	nxge_hw_init_niu_common(nxgep);
576 
577 	status = nxge_setup_mutexes(nxgep);
578 	if (status != NXGE_OK) {
579 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "set mutex failed"));
580 		goto nxge_attach_fail;
581 	}
582 
583 	status = nxge_setup_dev(nxgep);
584 	if (status != DDI_SUCCESS) {
585 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "set dev failed"));
586 		goto nxge_attach_fail;
587 	}
588 
589 	status = nxge_add_intrs(nxgep);
590 	if (status != DDI_SUCCESS) {
591 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "add_intr failed"));
592 		goto nxge_attach_fail;
593 	}
594 	status = nxge_add_soft_intrs(nxgep);
595 	if (status != DDI_SUCCESS) {
596 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL, "add_soft_intr failed"));
597 		goto nxge_attach_fail;
598 	}
599 
600 	/*
601 	 * Enable interrupts.
602 	 */
603 	nxge_intrs_enable(nxgep);
604 
605 	if ((status = nxge_mac_register(nxgep)) != NXGE_OK) {
606 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
607 			"unable to register to mac layer (%d)", status));
608 		goto nxge_attach_fail;
609 	}
610 
611 	mac_link_update(nxgep->mach, LINK_STATE_UNKNOWN);
612 
613 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "registered to mac (instance %d)",
614 		instance));
615 
616 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
617 
618 	goto nxge_attach_exit;
619 
620 nxge_attach_fail:
621 	nxge_unattach(nxgep);
622 	goto nxge_attach_fail1;
623 
624 nxge_attach_fail5:
625 	/*
626 	 * Tear down the ndd parameters setup.
627 	 */
628 	nxge_destroy_param(nxgep);
629 
630 	/*
631 	 * Tear down the kstat setup.
632 	 */
633 	nxge_destroy_kstats(nxgep);
634 
635 nxge_attach_fail4:
636 	if (nxgep->nxge_hw_p) {
637 		nxge_uninit_common_dev(nxgep);
638 		nxgep->nxge_hw_p = NULL;
639 	}
640 
641 nxge_attach_fail3:
642 	/*
643 	 * Unmap the register setup.
644 	 */
645 	nxge_unmap_regs(nxgep);
646 
647 	nxge_fm_fini(nxgep);
648 
649 nxge_attach_fail2:
650 	ddi_soft_state_free(nxge_list, nxgep->instance);
651 
652 nxge_attach_fail1:
653 	if (status != NXGE_OK)
654 		status = (NXGE_ERROR | NXGE_DDI_FAILED);
655 	nxgep = NULL;
656 
657 nxge_attach_exit:
658 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_attach status = 0x%08x",
659 		status));
660 
661 	return (status);
662 }
663 
664 static int
665 nxge_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
666 {
667 	int 		status = DDI_SUCCESS;
668 	int 		instance;
669 	p_nxge_t 	nxgep = NULL;
670 
671 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_detach"));
672 	instance = ddi_get_instance(dip);
673 	nxgep = ddi_get_soft_state(nxge_list, instance);
674 	if (nxgep == NULL) {
675 		status = DDI_FAILURE;
676 		goto nxge_detach_exit;
677 	}
678 
679 	switch (cmd) {
680 	case DDI_DETACH:
681 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_DETACH"));
682 		break;
683 
684 	case DDI_PM_SUSPEND:
685 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_PM_SUSPEND"));
686 		nxgep->suspended = DDI_PM_SUSPEND;
687 		nxge_suspend(nxgep);
688 		break;
689 
690 	case DDI_SUSPEND:
691 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_SUSPEND"));
692 		if (nxgep->suspended != DDI_PM_SUSPEND) {
693 			nxgep->suspended = DDI_SUSPEND;
694 			nxge_suspend(nxgep);
695 		}
696 		break;
697 
698 	default:
699 		status = DDI_FAILURE;
700 	}
701 
702 	if (cmd != DDI_DETACH)
703 		goto nxge_detach_exit;
704 
705 	/*
706 	 * Stop the xcvr polling.
707 	 */
708 	nxgep->suspended = cmd;
709 
710 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
711 
712 	if (nxgep->mach && (status = mac_unregister(nxgep->mach)) != 0) {
713 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
714 			"<== nxge_detach status = 0x%08X", status));
715 		return (DDI_FAILURE);
716 	}
717 
718 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
719 		"<== nxge_detach (mac_unregister) status = 0x%08X", status));
720 
721 	nxge_unattach(nxgep);
722 	nxgep = NULL;
723 
724 nxge_detach_exit:
725 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_detach status = 0x%08X",
726 		status));
727 
728 	return (status);
729 }
730 
731 static void
732 nxge_unattach(p_nxge_t nxgep)
733 {
734 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_unattach"));
735 
736 	if (nxgep == NULL || nxgep->dev_regs == NULL) {
737 		return;
738 	}
739 
740 	nxgep->nxge_magic = 0;
741 
742 	if (nxgep->nxge_hw_p) {
743 		nxge_uninit_common_dev(nxgep);
744 		nxgep->nxge_hw_p = NULL;
745 	}
746 
747 	if (nxgep->nxge_timerid) {
748 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
749 		nxgep->nxge_timerid = 0;
750 	}
751 
752 #if	defined(sun4v)
753 	if (nxgep->niu_type == N2_NIU && nxgep->niu_hsvc_available == B_TRUE) {
754 		(void) hsvc_unregister(&nxgep->niu_hsvc);
755 		nxgep->niu_hsvc_available = B_FALSE;
756 	}
757 #endif
758 	/*
759 	 * Stop any further interrupts.
760 	 */
761 	nxge_remove_intrs(nxgep);
762 
763 	/* remove soft interrups */
764 	nxge_remove_soft_intrs(nxgep);
765 
766 	/*
767 	 * Stop the device and free resources.
768 	 */
769 	nxge_destroy_dev(nxgep);
770 
771 	/*
772 	 * Tear down the ndd parameters setup.
773 	 */
774 	nxge_destroy_param(nxgep);
775 
776 	/*
777 	 * Tear down the kstat setup.
778 	 */
779 	nxge_destroy_kstats(nxgep);
780 
781 	/*
782 	 * Destroy all mutexes.
783 	 */
784 	nxge_destroy_mutexes(nxgep);
785 
786 	/*
787 	 * Remove the list of ndd parameters which
788 	 * were setup during attach.
789 	 */
790 	if (nxgep->dip) {
791 		NXGE_DEBUG_MSG((nxgep, OBP_CTL,
792 				    " nxge_unattach: remove all properties"));
793 
794 		(void) ddi_prop_remove_all(nxgep->dip);
795 	}
796 
797 #if NXGE_PROPERTY
798 	nxge_remove_hard_properties(nxgep);
799 #endif
800 
801 	/*
802 	 * Unmap the register setup.
803 	 */
804 	nxge_unmap_regs(nxgep);
805 
806 	nxge_fm_fini(nxgep);
807 
808 	ddi_soft_state_free(nxge_list, nxgep->instance);
809 
810 	NXGE_DEBUG_MSG((NULL, DDI_CTL, "<== nxge_unattach"));
811 }
812 
813 static char n2_siu_name[] = "niu";
814 
815 static nxge_status_t
816 nxge_map_regs(p_nxge_t nxgep)
817 {
818 	int		ddi_status = DDI_SUCCESS;
819 	p_dev_regs_t 	dev_regs;
820 	char		buf[MAXPATHLEN + 1];
821 	char 		*devname;
822 #ifdef	NXGE_DEBUG
823 	char 		*sysname;
824 #endif
825 	off_t		regsize;
826 	nxge_status_t	status = NXGE_OK;
827 #if !defined(_BIG_ENDIAN)
828 	off_t pci_offset;
829 	uint16_t pcie_devctl;
830 #endif
831 
832 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_map_regs"));
833 	nxgep->dev_regs = NULL;
834 	dev_regs = KMEM_ZALLOC(sizeof (dev_regs_t), KM_SLEEP);
835 	dev_regs->nxge_regh = NULL;
836 	dev_regs->nxge_pciregh = NULL;
837 	dev_regs->nxge_msix_regh = NULL;
838 	dev_regs->nxge_vir_regh = NULL;
839 	dev_regs->nxge_vir2_regh = NULL;
840 	nxgep->niu_type = NIU_TYPE_NONE;
841 
842 	devname = ddi_pathname(nxgep->dip, buf);
843 	ASSERT(strlen(devname) > 0);
844 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
845 		"nxge_map_regs: pathname devname %s", devname));
846 
847 	if (strstr(devname, n2_siu_name)) {
848 		/* N2/NIU */
849 		nxgep->niu_type = N2_NIU;
850 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
851 			"nxge_map_regs: N2/NIU devname %s", devname));
852 		/* get function number */
853 		nxgep->function_num =
854 			(devname[strlen(devname) -1] == '1' ? 1 : 0);
855 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
856 			"nxge_map_regs: N2/NIU function number %d",
857 			nxgep->function_num));
858 	} else {
859 		int		*prop_val;
860 		uint_t 		prop_len;
861 		uint8_t 	func_num;
862 
863 		if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, nxgep->dip,
864 				0, "reg",
865 				&prop_val, &prop_len) != DDI_PROP_SUCCESS) {
866 			NXGE_DEBUG_MSG((nxgep, VPD_CTL,
867 				"Reg property not found"));
868 			ddi_status = DDI_FAILURE;
869 			goto nxge_map_regs_fail0;
870 
871 		} else {
872 			func_num = (prop_val[0] >> 8) & 0x7;
873 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
874 				"Reg property found: fun # %d",
875 				func_num));
876 			nxgep->function_num = func_num;
877 			ddi_prop_free(prop_val);
878 		}
879 	}
880 
881 	switch (nxgep->niu_type) {
882 	default:
883 		(void) ddi_dev_regsize(nxgep->dip, 0, &regsize);
884 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
885 			"nxge_map_regs: pci config size 0x%x", regsize));
886 
887 		ddi_status = ddi_regs_map_setup(nxgep->dip, 0,
888 			(caddr_t *)&(dev_regs->nxge_pciregp), 0, 0,
889 			&nxge_dev_reg_acc_attr, &dev_regs->nxge_pciregh);
890 		if (ddi_status != DDI_SUCCESS) {
891 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
892 				"ddi_map_regs, nxge bus config regs failed"));
893 			goto nxge_map_regs_fail0;
894 		}
895 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
896 			"nxge_map_reg: PCI config addr 0x%0llx "
897 			" handle 0x%0llx", dev_regs->nxge_pciregp,
898 			dev_regs->nxge_pciregh));
899 			/*
900 			 * IMP IMP
901 			 * workaround  for bit swapping bug in HW
902 			 * which ends up in no-snoop = yes
903 			 * resulting, in DMA not synched properly
904 			 */
905 #if !defined(_BIG_ENDIAN)
906 		/* workarounds for x86 systems */
907 		pci_offset = 0x80 + PCIE_DEVCTL;
908 		pcie_devctl = 0x0;
909 		pcie_devctl &= PCIE_DEVCTL_ENABLE_NO_SNOOP;
910 		pcie_devctl |= PCIE_DEVCTL_RO_EN;
911 		pci_config_put16(dev_regs->nxge_pciregh, pci_offset,
912 				    pcie_devctl);
913 #endif
914 
915 		(void) ddi_dev_regsize(nxgep->dip, 1, &regsize);
916 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
917 			"nxge_map_regs: pio size 0x%x", regsize));
918 		/* set up the device mapped register */
919 		ddi_status = ddi_regs_map_setup(nxgep->dip, 1,
920 			(caddr_t *)&(dev_regs->nxge_regp), 0, 0,
921 			&nxge_dev_reg_acc_attr, &dev_regs->nxge_regh);
922 		if (ddi_status != DDI_SUCCESS) {
923 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
924 				"ddi_map_regs for Neptune global reg failed"));
925 			goto nxge_map_regs_fail1;
926 		}
927 
928 		/* set up the msi/msi-x mapped register */
929 		(void) ddi_dev_regsize(nxgep->dip, 2, &regsize);
930 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
931 			"nxge_map_regs: msix size 0x%x", regsize));
932 		ddi_status = ddi_regs_map_setup(nxgep->dip, 2,
933 			(caddr_t *)&(dev_regs->nxge_msix_regp), 0, 0,
934 			&nxge_dev_reg_acc_attr, &dev_regs->nxge_msix_regh);
935 		if (ddi_status != DDI_SUCCESS) {
936 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
937 				"ddi_map_regs for msi reg failed"));
938 			goto nxge_map_regs_fail2;
939 		}
940 
941 		/* set up the vio region mapped register */
942 		(void) ddi_dev_regsize(nxgep->dip, 3, &regsize);
943 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
944 			"nxge_map_regs: vio size 0x%x", regsize));
945 		ddi_status = ddi_regs_map_setup(nxgep->dip, 3,
946 			(caddr_t *)&(dev_regs->nxge_vir_regp), 0, 0,
947 			&nxge_dev_reg_acc_attr, &dev_regs->nxge_vir_regh);
948 
949 		if (ddi_status != DDI_SUCCESS) {
950 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
951 				"ddi_map_regs for nxge vio reg failed"));
952 			goto nxge_map_regs_fail3;
953 		}
954 		nxgep->dev_regs = dev_regs;
955 
956 		NPI_PCI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_pciregh);
957 		NPI_PCI_ADD_HANDLE_SET(nxgep,
958 			(npi_reg_ptr_t)dev_regs->nxge_pciregp);
959 		NPI_MSI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_msix_regh);
960 		NPI_MSI_ADD_HANDLE_SET(nxgep,
961 			(npi_reg_ptr_t)dev_regs->nxge_msix_regp);
962 
963 		NPI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
964 		NPI_ADD_HANDLE_SET(nxgep, (npi_reg_ptr_t)dev_regs->nxge_regp);
965 
966 		NPI_REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
967 		NPI_REG_ADD_HANDLE_SET(nxgep,
968 			(npi_reg_ptr_t)dev_regs->nxge_regp);
969 
970 		NPI_VREG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir_regh);
971 		NPI_VREG_ADD_HANDLE_SET(nxgep,
972 			(npi_reg_ptr_t)dev_regs->nxge_vir_regp);
973 
974 		break;
975 
976 	case N2_NIU:
977 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "ddi_map_regs, NIU"));
978 		/*
979 		 * Set up the device mapped register (FWARC 2006/556)
980 		 * (changed back to 1: reg starts at 1!)
981 		 */
982 		(void) ddi_dev_regsize(nxgep->dip, 1, &regsize);
983 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
984 			"nxge_map_regs: dev size 0x%x", regsize));
985 		ddi_status = ddi_regs_map_setup(nxgep->dip, 1,
986 				(caddr_t *)&(dev_regs->nxge_regp), 0, 0,
987 				&nxge_dev_reg_acc_attr, &dev_regs->nxge_regh);
988 
989 		if (ddi_status != DDI_SUCCESS) {
990 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
991 				"ddi_map_regs for N2/NIU, global reg failed "));
992 			goto nxge_map_regs_fail1;
993 		}
994 
995 		/* set up the vio region mapped register */
996 		(void) ddi_dev_regsize(nxgep->dip, 2, &regsize);
997 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
998 			"nxge_map_regs: vio (1) size 0x%x", regsize));
999 		ddi_status = ddi_regs_map_setup(nxgep->dip, 2,
1000 			(caddr_t *)&(dev_regs->nxge_vir_regp), 0, 0,
1001 			&nxge_dev_reg_acc_attr, &dev_regs->nxge_vir_regh);
1002 
1003 		if (ddi_status != DDI_SUCCESS) {
1004 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1005 				"ddi_map_regs for nxge vio reg failed"));
1006 			goto nxge_map_regs_fail2;
1007 		}
1008 		/* set up the vio region mapped register */
1009 		(void) ddi_dev_regsize(nxgep->dip, 3, &regsize);
1010 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1011 			"nxge_map_regs: vio (3) size 0x%x", regsize));
1012 		ddi_status = ddi_regs_map_setup(nxgep->dip, 3,
1013 			(caddr_t *)&(dev_regs->nxge_vir2_regp), 0, 0,
1014 			&nxge_dev_reg_acc_attr, &dev_regs->nxge_vir2_regh);
1015 
1016 		if (ddi_status != DDI_SUCCESS) {
1017 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1018 				"ddi_map_regs for nxge vio2 reg failed"));
1019 			goto nxge_map_regs_fail3;
1020 		}
1021 		nxgep->dev_regs = dev_regs;
1022 
1023 		NPI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1024 		NPI_ADD_HANDLE_SET(nxgep, (npi_reg_ptr_t)dev_regs->nxge_regp);
1025 
1026 		NPI_REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1027 		NPI_REG_ADD_HANDLE_SET(nxgep,
1028 			(npi_reg_ptr_t)dev_regs->nxge_regp);
1029 
1030 		NPI_VREG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir_regh);
1031 		NPI_VREG_ADD_HANDLE_SET(nxgep,
1032 			(npi_reg_ptr_t)dev_regs->nxge_vir_regp);
1033 
1034 		NPI_V2REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir2_regh);
1035 		NPI_V2REG_ADD_HANDLE_SET(nxgep,
1036 			(npi_reg_ptr_t)dev_regs->nxge_vir2_regp);
1037 
1038 		break;
1039 	}
1040 
1041 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "nxge_map_reg: hardware addr 0x%0llx "
1042 		" handle 0x%0llx", dev_regs->nxge_regp, dev_regs->nxge_regh));
1043 
1044 	goto nxge_map_regs_exit;
1045 nxge_map_regs_fail3:
1046 	if (dev_regs->nxge_msix_regh) {
1047 		ddi_regs_map_free(&dev_regs->nxge_msix_regh);
1048 	}
1049 	if (dev_regs->nxge_vir_regh) {
1050 		ddi_regs_map_free(&dev_regs->nxge_regh);
1051 	}
1052 nxge_map_regs_fail2:
1053 	if (dev_regs->nxge_regh) {
1054 		ddi_regs_map_free(&dev_regs->nxge_regh);
1055 	}
1056 nxge_map_regs_fail1:
1057 	if (dev_regs->nxge_pciregh) {
1058 		ddi_regs_map_free(&dev_regs->nxge_pciregh);
1059 	}
1060 nxge_map_regs_fail0:
1061 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "Freeing register set memory"));
1062 	kmem_free(dev_regs, sizeof (dev_regs_t));
1063 
1064 nxge_map_regs_exit:
1065 	if (ddi_status != DDI_SUCCESS)
1066 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1067 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_map_regs"));
1068 	return (status);
1069 }
1070 
1071 static void
1072 nxge_unmap_regs(p_nxge_t nxgep)
1073 {
1074 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_unmap_regs"));
1075 	if (nxgep->dev_regs) {
1076 		if (nxgep->dev_regs->nxge_pciregh) {
1077 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1078 				"==> nxge_unmap_regs: bus"));
1079 			ddi_regs_map_free(&nxgep->dev_regs->nxge_pciregh);
1080 			nxgep->dev_regs->nxge_pciregh = NULL;
1081 		}
1082 		if (nxgep->dev_regs->nxge_regh) {
1083 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1084 				"==> nxge_unmap_regs: device registers"));
1085 			ddi_regs_map_free(&nxgep->dev_regs->nxge_regh);
1086 			nxgep->dev_regs->nxge_regh = NULL;
1087 		}
1088 		if (nxgep->dev_regs->nxge_msix_regh) {
1089 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1090 				"==> nxge_unmap_regs: device interrupts"));
1091 			ddi_regs_map_free(&nxgep->dev_regs->nxge_msix_regh);
1092 			nxgep->dev_regs->nxge_msix_regh = NULL;
1093 		}
1094 		if (nxgep->dev_regs->nxge_vir_regh) {
1095 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1096 				"==> nxge_unmap_regs: vio region"));
1097 			ddi_regs_map_free(&nxgep->dev_regs->nxge_vir_regh);
1098 			nxgep->dev_regs->nxge_vir_regh = NULL;
1099 		}
1100 		if (nxgep->dev_regs->nxge_vir2_regh) {
1101 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1102 				"==> nxge_unmap_regs: vio2 region"));
1103 			ddi_regs_map_free(&nxgep->dev_regs->nxge_vir2_regh);
1104 			nxgep->dev_regs->nxge_vir2_regh = NULL;
1105 		}
1106 
1107 		kmem_free(nxgep->dev_regs, sizeof (dev_regs_t));
1108 		nxgep->dev_regs = NULL;
1109 	}
1110 
1111 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_unmap_regs"));
1112 }
1113 
1114 static nxge_status_t
1115 nxge_setup_mutexes(p_nxge_t nxgep)
1116 {
1117 	int ddi_status = DDI_SUCCESS;
1118 	nxge_status_t status = NXGE_OK;
1119 	nxge_classify_t *classify_ptr;
1120 	int partition;
1121 
1122 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_mutexes"));
1123 
1124 	/*
1125 	 * Get the interrupt cookie so the mutexes can be
1126 	 * Initialized.
1127 	 */
1128 	ddi_status = ddi_get_iblock_cookie(nxgep->dip, 0,
1129 					&nxgep->interrupt_cookie);
1130 	if (ddi_status != DDI_SUCCESS) {
1131 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1132 			"<== nxge_setup_mutexes: failed 0x%x", ddi_status));
1133 		goto nxge_setup_mutexes_exit;
1134 	}
1135 
1136 	/* Initialize global mutex */
1137 
1138 	if (nxge_mdio_lock_init == 0) {
1139 		MUTEX_INIT(&nxge_mdio_lock, NULL, MUTEX_DRIVER, NULL);
1140 	}
1141 	atomic_add_32(&nxge_mdio_lock_init, 1);
1142 
1143 	if (nxge_mii_lock_init == 0) {
1144 		MUTEX_INIT(&nxge_mii_lock, NULL, MUTEX_DRIVER, NULL);
1145 	}
1146 	atomic_add_32(&nxge_mii_lock_init, 1);
1147 
1148 	nxgep->drv_state |= STATE_MDIO_LOCK_INIT;
1149 	nxgep->drv_state |= STATE_MII_LOCK_INIT;
1150 
1151 	cv_init(&nxgep->poll_cv, NULL, CV_DRIVER, NULL);
1152 	MUTEX_INIT(&nxgep->poll_lock, NULL,
1153 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1154 
1155 	/*
1156 	 * Initialize mutexes for this device.
1157 	 */
1158 	MUTEX_INIT(nxgep->genlock, NULL,
1159 		MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1160 	MUTEX_INIT(&nxgep->ouraddr_lock, NULL,
1161 		MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1162 	MUTEX_INIT(&nxgep->mif_lock, NULL,
1163 		MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1164 	RW_INIT(&nxgep->filter_lock, NULL,
1165 		RW_DRIVER, (void *)nxgep->interrupt_cookie);
1166 
1167 	classify_ptr = &nxgep->classifier;
1168 		/*
1169 		 * FFLP Mutexes are never used in interrupt context
1170 		 * as fflp operation can take very long time to
1171 		 * complete and hence not suitable to invoke from interrupt
1172 		 * handlers.
1173 		 */
1174 	MUTEX_INIT(&classify_ptr->tcam_lock, NULL,
1175 	    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1176 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1177 		MUTEX_INIT(&classify_ptr->fcram_lock, NULL,
1178 		    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1179 		for (partition = 0; partition < MAX_PARTITION; partition++) {
1180 			MUTEX_INIT(&classify_ptr->hash_lock[partition], NULL,
1181 			    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1182 		}
1183 	}
1184 
1185 nxge_setup_mutexes_exit:
1186 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1187 	    "<== nxge_setup_mutexes status = %x", status));
1188 
1189 	if (ddi_status != DDI_SUCCESS)
1190 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1191 
1192 	return (status);
1193 }
1194 
1195 static void
1196 nxge_destroy_mutexes(p_nxge_t nxgep)
1197 {
1198 	int partition;
1199 	nxge_classify_t *classify_ptr;
1200 
1201 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_destroy_mutexes"));
1202 	RW_DESTROY(&nxgep->filter_lock);
1203 	MUTEX_DESTROY(&nxgep->mif_lock);
1204 	MUTEX_DESTROY(&nxgep->ouraddr_lock);
1205 	MUTEX_DESTROY(nxgep->genlock);
1206 
1207 	classify_ptr = &nxgep->classifier;
1208 	MUTEX_DESTROY(&classify_ptr->tcam_lock);
1209 
1210 	/* Destroy all polling resources. */
1211 	MUTEX_DESTROY(&nxgep->poll_lock);
1212 	cv_destroy(&nxgep->poll_cv);
1213 
1214 	/* free data structures, based on HW type */
1215 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1216 		MUTEX_DESTROY(&classify_ptr->fcram_lock);
1217 		for (partition = 0; partition < MAX_PARTITION; partition++) {
1218 			MUTEX_DESTROY(&classify_ptr->hash_lock[partition]);
1219 		}
1220 	}
1221 	if (nxgep->drv_state & STATE_MDIO_LOCK_INIT) {
1222 		if (nxge_mdio_lock_init == 1) {
1223 			MUTEX_DESTROY(&nxge_mdio_lock);
1224 		}
1225 		atomic_add_32(&nxge_mdio_lock_init, -1);
1226 	}
1227 	if (nxgep->drv_state & STATE_MII_LOCK_INIT) {
1228 		if (nxge_mii_lock_init == 1) {
1229 			MUTEX_DESTROY(&nxge_mii_lock);
1230 		}
1231 		atomic_add_32(&nxge_mii_lock_init, -1);
1232 	}
1233 
1234 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_destroy_mutexes"));
1235 }
1236 
1237 nxge_status_t
1238 nxge_init(p_nxge_t nxgep)
1239 {
1240 	nxge_status_t	status = NXGE_OK;
1241 
1242 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_init"));
1243 
1244 	if (nxgep->drv_state & STATE_HW_INITIALIZED) {
1245 		return (status);
1246 	}
1247 
1248 	/*
1249 	 * Allocate system memory for the receive/transmit buffer blocks
1250 	 * and receive/transmit descriptor rings.
1251 	 */
1252 	status = nxge_alloc_mem_pool(nxgep);
1253 	if (status != NXGE_OK) {
1254 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "alloc mem failed\n"));
1255 		goto nxge_init_fail1;
1256 	}
1257 
1258 	/*
1259 	 * Initialize and enable TXC registers
1260 	 * (Globally enable TX controller,
1261 	 *  enable a port, configure dma channel bitmap,
1262 	 *  configure the max burst size).
1263 	 */
1264 	status = nxge_txc_init(nxgep);
1265 	if (status != NXGE_OK) {
1266 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init txc failed\n"));
1267 		goto nxge_init_fail2;
1268 	}
1269 
1270 	/*
1271 	 * Initialize and enable TXDMA channels.
1272 	 */
1273 	status = nxge_init_txdma_channels(nxgep);
1274 	if (status != NXGE_OK) {
1275 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init txdma failed\n"));
1276 		goto nxge_init_fail3;
1277 	}
1278 
1279 	/*
1280 	 * Initialize and enable RXDMA channels.
1281 	 */
1282 	status = nxge_init_rxdma_channels(nxgep);
1283 	if (status != NXGE_OK) {
1284 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init rxdma failed\n"));
1285 		goto nxge_init_fail4;
1286 	}
1287 
1288 	/*
1289 	 * Initialize TCAM and FCRAM (Neptune).
1290 	 */
1291 	status = nxge_classify_init(nxgep);
1292 	if (status != NXGE_OK) {
1293 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init classify failed\n"));
1294 		goto nxge_init_fail5;
1295 	}
1296 
1297 	/*
1298 	 * Initialize ZCP
1299 	 */
1300 	status = nxge_zcp_init(nxgep);
1301 	if (status != NXGE_OK) {
1302 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init ZCP failed\n"));
1303 		goto nxge_init_fail5;
1304 	}
1305 
1306 	/*
1307 	 * Initialize IPP.
1308 	 */
1309 	status = nxge_ipp_init(nxgep);
1310 	if (status != NXGE_OK) {
1311 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init IPP failed\n"));
1312 		goto nxge_init_fail5;
1313 	}
1314 
1315 	/*
1316 	 * Initialize the MAC block.
1317 	 */
1318 	status = nxge_mac_init(nxgep);
1319 	if (status != NXGE_OK) {
1320 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init MAC failed\n"));
1321 		goto nxge_init_fail5;
1322 	}
1323 
1324 	nxge_intrs_enable(nxgep);
1325 
1326 	/*
1327 	 * Enable hardware interrupts.
1328 	 */
1329 	nxge_intr_hw_enable(nxgep);
1330 	nxgep->drv_state |= STATE_HW_INITIALIZED;
1331 
1332 	goto nxge_init_exit;
1333 
1334 nxge_init_fail5:
1335 	nxge_uninit_rxdma_channels(nxgep);
1336 nxge_init_fail4:
1337 	nxge_uninit_txdma_channels(nxgep);
1338 nxge_init_fail3:
1339 	(void) nxge_txc_uninit(nxgep);
1340 nxge_init_fail2:
1341 	nxge_free_mem_pool(nxgep);
1342 nxge_init_fail1:
1343 	NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1344 		"<== nxge_init status (failed) = 0x%08x", status));
1345 	return (status);
1346 
1347 nxge_init_exit:
1348 
1349 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_init status = 0x%08x",
1350 		status));
1351 	return (status);
1352 }
1353 
1354 
1355 timeout_id_t
1356 nxge_start_timer(p_nxge_t nxgep, fptrv_t func, int msec)
1357 {
1358 	if ((nxgep->suspended == 0) ||
1359 			(nxgep->suspended == DDI_RESUME)) {
1360 		return (timeout(func, (caddr_t)nxgep,
1361 			drv_usectohz(1000 * msec)));
1362 	}
1363 	return (NULL);
1364 }
1365 
1366 /*ARGSUSED*/
1367 void
1368 nxge_stop_timer(p_nxge_t nxgep, timeout_id_t timerid)
1369 {
1370 	if (timerid) {
1371 		(void) untimeout(timerid);
1372 	}
1373 }
1374 
1375 void
1376 nxge_uninit(p_nxge_t nxgep)
1377 {
1378 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_uninit"));
1379 
1380 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
1381 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1382 			"==> nxge_uninit: not initialized"));
1383 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1384 			"<== nxge_uninit"));
1385 		return;
1386 	}
1387 
1388 	/* stop timer */
1389 	if (nxgep->nxge_timerid) {
1390 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
1391 		nxgep->nxge_timerid = 0;
1392 	}
1393 
1394 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
1395 	(void) nxge_intr_hw_disable(nxgep);
1396 
1397 	/*
1398 	 * Reset the receive MAC side.
1399 	 */
1400 	(void) nxge_rx_mac_disable(nxgep);
1401 
1402 	/* Disable and soft reset the IPP */
1403 	(void) nxge_ipp_disable(nxgep);
1404 
1405 	/* Free classification resources */
1406 	(void) nxge_classify_uninit(nxgep);
1407 
1408 	/*
1409 	 * Reset the transmit/receive DMA side.
1410 	 */
1411 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_STOP);
1412 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_STOP);
1413 
1414 	nxge_uninit_txdma_channels(nxgep);
1415 	nxge_uninit_rxdma_channels(nxgep);
1416 
1417 	/*
1418 	 * Reset the transmit MAC side.
1419 	 */
1420 	(void) nxge_tx_mac_disable(nxgep);
1421 
1422 	nxge_free_mem_pool(nxgep);
1423 
1424 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
1425 
1426 	nxgep->drv_state &= ~STATE_HW_INITIALIZED;
1427 
1428 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_uninit: "
1429 		"nxge_mblks_pending %d", nxge_mblks_pending));
1430 }
1431 
1432 void
1433 nxge_get64(p_nxge_t nxgep, p_mblk_t mp)
1434 {
1435 	uint64_t	reg;
1436 	uint64_t	regdata;
1437 	int		i, retry;
1438 
1439 	bcopy((char *)mp->b_rptr, (char *)&reg, sizeof (uint64_t));
1440 	regdata = 0;
1441 	retry = 1;
1442 
1443 	for (i = 0; i < retry; i++) {
1444 		NXGE_REG_RD64(nxgep->npi_handle, reg, &regdata);
1445 	}
1446 	bcopy((char *)&regdata, (char *)mp->b_rptr, sizeof (uint64_t));
1447 }
1448 
1449 void
1450 nxge_put64(p_nxge_t nxgep, p_mblk_t mp)
1451 {
1452 	uint64_t	reg;
1453 	uint64_t	buf[2];
1454 
1455 	bcopy((char *)mp->b_rptr, (char *)&buf[0], 2 * sizeof (uint64_t));
1456 	reg = buf[0];
1457 
1458 	NXGE_NPI_PIO_WRITE64(nxgep->npi_handle, reg, buf[1]);
1459 }
1460 
1461 
1462 nxge_os_mutex_t nxgedebuglock;
1463 int nxge_debug_init = 0;
1464 
1465 /*ARGSUSED*/
1466 /*VARARGS*/
1467 void
1468 nxge_debug_msg(p_nxge_t nxgep, uint64_t level, char *fmt, ...)
1469 {
1470 	char msg_buffer[1048];
1471 	char prefix_buffer[32];
1472 	int instance;
1473 	uint64_t debug_level;
1474 	int cmn_level = CE_CONT;
1475 	va_list ap;
1476 
1477 	debug_level = (nxgep == NULL) ? nxge_debug_level :
1478 		nxgep->nxge_debug_level;
1479 
1480 	if ((level & debug_level) ||
1481 		(level == NXGE_NOTE) ||
1482 		(level == NXGE_ERR_CTL)) {
1483 		/* do the msg processing */
1484 		if (nxge_debug_init == 0) {
1485 			MUTEX_INIT(&nxgedebuglock, NULL, MUTEX_DRIVER, NULL);
1486 			nxge_debug_init = 1;
1487 		}
1488 
1489 		MUTEX_ENTER(&nxgedebuglock);
1490 
1491 		if ((level & NXGE_NOTE)) {
1492 			cmn_level = CE_NOTE;
1493 		}
1494 
1495 		if (level & NXGE_ERR_CTL) {
1496 			cmn_level = CE_WARN;
1497 		}
1498 
1499 		va_start(ap, fmt);
1500 		(void) vsprintf(msg_buffer, fmt, ap);
1501 		va_end(ap);
1502 		if (nxgep == NULL) {
1503 			instance = -1;
1504 			(void) sprintf(prefix_buffer, "%s :", "nxge");
1505 		} else {
1506 			instance = nxgep->instance;
1507 			(void) sprintf(prefix_buffer,
1508 						    "%s%d :", "nxge", instance);
1509 		}
1510 
1511 		MUTEX_EXIT(&nxgedebuglock);
1512 		cmn_err(cmn_level, "!%s %s\n",
1513 				prefix_buffer, msg_buffer);
1514 
1515 	}
1516 }
1517 
1518 char *
1519 nxge_dump_packet(char *addr, int size)
1520 {
1521 	uchar_t *ap = (uchar_t *)addr;
1522 	int i;
1523 	static char etherbuf[1024];
1524 	char *cp = etherbuf;
1525 	char digits[] = "0123456789abcdef";
1526 
1527 	if (!size)
1528 		size = 60;
1529 
1530 	if (size > MAX_DUMP_SZ) {
1531 		/* Dump the leading bytes */
1532 		for (i = 0; i < MAX_DUMP_SZ/2; i++) {
1533 			if (*ap > 0x0f)
1534 				*cp++ = digits[*ap >> 4];
1535 			*cp++ = digits[*ap++ & 0xf];
1536 			*cp++ = ':';
1537 		}
1538 		for (i = 0; i < 20; i++)
1539 			*cp++ = '.';
1540 		/* Dump the last MAX_DUMP_SZ/2 bytes */
1541 		ap = (uchar_t *)(addr + (size - MAX_DUMP_SZ/2));
1542 		for (i = 0; i < MAX_DUMP_SZ/2; i++) {
1543 			if (*ap > 0x0f)
1544 				*cp++ = digits[*ap >> 4];
1545 			*cp++ = digits[*ap++ & 0xf];
1546 			*cp++ = ':';
1547 		}
1548 	} else {
1549 		for (i = 0; i < size; i++) {
1550 			if (*ap > 0x0f)
1551 				*cp++ = digits[*ap >> 4];
1552 			*cp++ = digits[*ap++ & 0xf];
1553 			*cp++ = ':';
1554 		}
1555 	}
1556 	*--cp = 0;
1557 	return (etherbuf);
1558 }
1559 
1560 #ifdef	NXGE_DEBUG
1561 static void
1562 nxge_test_map_regs(p_nxge_t nxgep)
1563 {
1564 	ddi_acc_handle_t cfg_handle;
1565 	p_pci_cfg_t	cfg_ptr;
1566 	ddi_acc_handle_t dev_handle;
1567 	char		*dev_ptr;
1568 	ddi_acc_handle_t pci_config_handle;
1569 	uint32_t	regval;
1570 	int		i;
1571 
1572 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_test_map_regs"));
1573 
1574 	dev_handle = nxgep->dev_regs->nxge_regh;
1575 	dev_ptr = (char *)nxgep->dev_regs->nxge_regp;
1576 
1577 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1578 		cfg_handle = nxgep->dev_regs->nxge_pciregh;
1579 		cfg_ptr = (void *)nxgep->dev_regs->nxge_pciregp;
1580 
1581 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1582 		    "Neptune PCI regp cfg_ptr 0x%llx", (char *)cfg_ptr));
1583 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1584 		    "Neptune PCI cfg_ptr vendor id ptr 0x%llx",
1585 		    &cfg_ptr->vendorid));
1586 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1587 		    "\tvendorid 0x%x devid 0x%x",
1588 		    NXGE_PIO_READ16(cfg_handle, &cfg_ptr->vendorid, 0),
1589 		    NXGE_PIO_READ16(cfg_handle, &cfg_ptr->devid,    0)));
1590 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1591 		    "PCI BAR: base 0x%x base14 0x%x base 18 0x%x "
1592 		    "bar1c 0x%x",
1593 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base,   0),
1594 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base14, 0),
1595 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base18, 0),
1596 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base1c, 0)));
1597 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1598 		    "\nNeptune PCI BAR: base20 0x%x base24 0x%x "
1599 		    "base 28 0x%x bar2c 0x%x\n",
1600 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base20, 0),
1601 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base24, 0),
1602 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base28, 0),
1603 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base2c, 0)));
1604 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1605 		    "\nNeptune PCI BAR: base30 0x%x\n",
1606 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base30, 0)));
1607 
1608 		cfg_handle = nxgep->dev_regs->nxge_pciregh;
1609 		cfg_ptr = (void *)nxgep->dev_regs->nxge_pciregp;
1610 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1611 		    "first  0x%llx second 0x%llx third 0x%llx "
1612 		    "last 0x%llx ",
1613 		    NXGE_PIO_READ64(dev_handle,
1614 		    (uint64_t *)(dev_ptr + 0),  0),
1615 		    NXGE_PIO_READ64(dev_handle,
1616 		    (uint64_t *)(dev_ptr + 8),  0),
1617 		    NXGE_PIO_READ64(dev_handle,
1618 		    (uint64_t *)(dev_ptr + 16), 0),
1619 		    NXGE_PIO_READ64(cfg_handle,
1620 		    (uint64_t *)(dev_ptr + 24), 0)));
1621 	}
1622 }
1623 
1624 #endif
1625 
1626 static void
1627 nxge_suspend(p_nxge_t nxgep)
1628 {
1629 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_suspend"));
1630 
1631 	nxge_intrs_disable(nxgep);
1632 	nxge_destroy_dev(nxgep);
1633 
1634 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_suspend"));
1635 }
1636 
1637 static nxge_status_t
1638 nxge_resume(p_nxge_t nxgep)
1639 {
1640 	nxge_status_t status = NXGE_OK;
1641 
1642 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_resume"));
1643 
1644 	nxgep->suspended = DDI_RESUME;
1645 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
1646 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_START);
1647 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_START);
1648 	(void) nxge_rx_mac_enable(nxgep);
1649 	(void) nxge_tx_mac_enable(nxgep);
1650 	nxge_intrs_enable(nxgep);
1651 	nxgep->suspended = 0;
1652 
1653 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1654 			"<== nxge_resume status = 0x%x", status));
1655 	return (status);
1656 }
1657 
1658 static nxge_status_t
1659 nxge_setup_dev(p_nxge_t nxgep)
1660 {
1661 	nxge_status_t	status = NXGE_OK;
1662 
1663 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_dev port %d",
1664 	    nxgep->mac.portnum));
1665 
1666 	status = nxge_link_init(nxgep);
1667 
1668 	if (fm_check_acc_handle(nxgep->dev_regs->nxge_regh) != DDI_FM_OK) {
1669 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1670 			"port%d Bad register acc handle", nxgep->mac.portnum));
1671 		status = NXGE_ERROR;
1672 	}
1673 
1674 	if (status != NXGE_OK) {
1675 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1676 			    " nxge_setup_dev status "
1677 			    "(xcvr init 0x%08x)", status));
1678 		goto nxge_setup_dev_exit;
1679 	}
1680 
1681 nxge_setup_dev_exit:
1682 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1683 		"<== nxge_setup_dev port %d status = 0x%08x",
1684 		nxgep->mac.portnum, status));
1685 
1686 	return (status);
1687 }
1688 
1689 static void
1690 nxge_destroy_dev(p_nxge_t nxgep)
1691 {
1692 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_destroy_dev"));
1693 
1694 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
1695 
1696 	(void) nxge_hw_stop(nxgep);
1697 
1698 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_destroy_dev"));
1699 }
1700 
1701 static nxge_status_t
1702 nxge_setup_system_dma_pages(p_nxge_t nxgep)
1703 {
1704 	int 			ddi_status = DDI_SUCCESS;
1705 	uint_t 			count;
1706 	ddi_dma_cookie_t 	cookie;
1707 	uint_t 			iommu_pagesize;
1708 	nxge_status_t		status = NXGE_OK;
1709 
1710 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_system_dma_pages"));
1711 	nxgep->sys_page_sz = ddi_ptob(nxgep->dip, (ulong_t)1);
1712 	if (nxgep->niu_type != N2_NIU) {
1713 		iommu_pagesize = dvma_pagesize(nxgep->dip);
1714 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1715 			" nxge_setup_system_dma_pages: page %d (ddi_ptob %d) "
1716 			" default_block_size %d iommu_pagesize %d",
1717 			nxgep->sys_page_sz,
1718 			ddi_ptob(nxgep->dip, (ulong_t)1),
1719 			nxgep->rx_default_block_size,
1720 			iommu_pagesize));
1721 
1722 		if (iommu_pagesize != 0) {
1723 			if (nxgep->sys_page_sz == iommu_pagesize) {
1724 				if (iommu_pagesize > 0x4000)
1725 					nxgep->sys_page_sz = 0x4000;
1726 			} else {
1727 				if (nxgep->sys_page_sz > iommu_pagesize)
1728 					nxgep->sys_page_sz = iommu_pagesize;
1729 			}
1730 		}
1731 	}
1732 	nxgep->sys_page_mask = ~(nxgep->sys_page_sz - 1);
1733 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1734 		"==> nxge_setup_system_dma_pages: page %d (ddi_ptob %d) "
1735 		"default_block_size %d page mask %d",
1736 		nxgep->sys_page_sz,
1737 		ddi_ptob(nxgep->dip, (ulong_t)1),
1738 		nxgep->rx_default_block_size,
1739 		nxgep->sys_page_mask));
1740 
1741 
1742 	switch (nxgep->sys_page_sz) {
1743 	default:
1744 		nxgep->sys_page_sz = 0x1000;
1745 		nxgep->sys_page_mask = ~(nxgep->sys_page_sz - 1);
1746 		nxgep->rx_default_block_size = 0x1000;
1747 		nxgep->rx_bksize_code = RBR_BKSIZE_4K;
1748 		break;
1749 	case 0x1000:
1750 		nxgep->rx_default_block_size = 0x1000;
1751 		nxgep->rx_bksize_code = RBR_BKSIZE_4K;
1752 		break;
1753 	case 0x2000:
1754 		nxgep->rx_default_block_size = 0x2000;
1755 		nxgep->rx_bksize_code = RBR_BKSIZE_8K;
1756 		break;
1757 	case 0x4000:
1758 		nxgep->rx_default_block_size = 0x4000;
1759 		nxgep->rx_bksize_code = RBR_BKSIZE_16K;
1760 		break;
1761 	case 0x8000:
1762 		nxgep->rx_default_block_size = 0x8000;
1763 		nxgep->rx_bksize_code = RBR_BKSIZE_32K;
1764 		break;
1765 	}
1766 
1767 #ifndef USE_RX_BIG_BUF
1768 	nxge_rx_dma_attr.dma_attr_align = nxgep->sys_page_sz;
1769 #else
1770 		nxgep->rx_default_block_size = 0x2000;
1771 		nxgep->rx_bksize_code = RBR_BKSIZE_8K;
1772 #endif
1773 	/*
1774 	 * Get the system DMA burst size.
1775 	 */
1776 	ddi_status = ddi_dma_alloc_handle(nxgep->dip, &nxge_tx_dma_attr,
1777 			DDI_DMA_DONTWAIT, 0,
1778 			&nxgep->dmasparehandle);
1779 	if (ddi_status != DDI_SUCCESS) {
1780 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1781 			"ddi_dma_alloc_handle: failed "
1782 			" status 0x%x", ddi_status));
1783 		goto nxge_get_soft_properties_exit;
1784 	}
1785 
1786 	ddi_status = ddi_dma_addr_bind_handle(nxgep->dmasparehandle, NULL,
1787 				(caddr_t)nxgep->dmasparehandle,
1788 				sizeof (nxgep->dmasparehandle),
1789 				DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
1790 				DDI_DMA_DONTWAIT, 0,
1791 				&cookie, &count);
1792 	if (ddi_status != DDI_DMA_MAPPED) {
1793 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1794 			"Binding spare handle to find system"
1795 			" burstsize failed."));
1796 		ddi_status = DDI_FAILURE;
1797 		goto nxge_get_soft_properties_fail1;
1798 	}
1799 
1800 	nxgep->sys_burst_sz = ddi_dma_burstsizes(nxgep->dmasparehandle);
1801 	(void) ddi_dma_unbind_handle(nxgep->dmasparehandle);
1802 
1803 nxge_get_soft_properties_fail1:
1804 	ddi_dma_free_handle(&nxgep->dmasparehandle);
1805 
1806 nxge_get_soft_properties_exit:
1807 
1808 	if (ddi_status != DDI_SUCCESS)
1809 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1810 
1811 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1812 		"<== nxge_setup_system_dma_pages status = 0x%08x", status));
1813 	return (status);
1814 }
1815 
1816 static nxge_status_t
1817 nxge_alloc_mem_pool(p_nxge_t nxgep)
1818 {
1819 	nxge_status_t	status = NXGE_OK;
1820 
1821 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_alloc_mem_pool"));
1822 
1823 	status = nxge_alloc_rx_mem_pool(nxgep);
1824 	if (status != NXGE_OK) {
1825 		return (NXGE_ERROR);
1826 	}
1827 
1828 	status = nxge_alloc_tx_mem_pool(nxgep);
1829 	if (status != NXGE_OK) {
1830 		nxge_free_rx_mem_pool(nxgep);
1831 		return (NXGE_ERROR);
1832 	}
1833 
1834 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_alloc_mem_pool"));
1835 	return (NXGE_OK);
1836 }
1837 
1838 static void
1839 nxge_free_mem_pool(p_nxge_t nxgep)
1840 {
1841 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_free_mem_pool"));
1842 
1843 	nxge_free_rx_mem_pool(nxgep);
1844 	nxge_free_tx_mem_pool(nxgep);
1845 
1846 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "<== nxge_free_mem_pool"));
1847 }
1848 
1849 static nxge_status_t
1850 nxge_alloc_rx_mem_pool(p_nxge_t nxgep)
1851 {
1852 	int			i, j;
1853 	uint32_t		ndmas, st_rdc;
1854 	p_nxge_dma_pt_cfg_t	p_all_cfgp;
1855 	p_nxge_hw_pt_cfg_t	p_cfgp;
1856 	p_nxge_dma_pool_t	dma_poolp;
1857 	p_nxge_dma_common_t	*dma_buf_p;
1858 	p_nxge_dma_pool_t	dma_cntl_poolp;
1859 	p_nxge_dma_common_t	*dma_cntl_p;
1860 	size_t			rx_buf_alloc_size;
1861 	size_t			rx_cntl_alloc_size;
1862 	uint32_t 		*num_chunks; /* per dma */
1863 	nxge_status_t		status = NXGE_OK;
1864 
1865 	uint32_t		nxge_port_rbr_size;
1866 	uint32_t		nxge_port_rbr_spare_size;
1867 	uint32_t		nxge_port_rcr_size;
1868 
1869 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_mem_pool"));
1870 
1871 	p_all_cfgp = (p_nxge_dma_pt_cfg_t)&nxgep->pt_config;
1872 	p_cfgp = (p_nxge_hw_pt_cfg_t)&p_all_cfgp->hw_config;
1873 	st_rdc = p_cfgp->start_rdc;
1874 	ndmas = p_cfgp->max_rdcs;
1875 
1876 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
1877 		" nxge_alloc_rx_mem_pool st_rdc %d ndmas %d", st_rdc, ndmas));
1878 
1879 	/*
1880 	 * Allocate memory for each receive DMA channel.
1881 	 */
1882 	dma_poolp = (p_nxge_dma_pool_t)KMEM_ZALLOC(sizeof (nxge_dma_pool_t),
1883 			KM_SLEEP);
1884 	dma_buf_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
1885 			sizeof (p_nxge_dma_common_t) * ndmas, KM_SLEEP);
1886 
1887 	dma_cntl_poolp = (p_nxge_dma_pool_t)
1888 				KMEM_ZALLOC(sizeof (nxge_dma_pool_t), KM_SLEEP);
1889 	dma_cntl_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
1890 			sizeof (p_nxge_dma_common_t) * ndmas, KM_SLEEP);
1891 
1892 	num_chunks = (uint32_t *)KMEM_ZALLOC(
1893 			sizeof (uint32_t) * ndmas, KM_SLEEP);
1894 
1895 	/*
1896 	 * Assume that each DMA channel will be configured with default
1897 	 * block size.
1898 	 * rbr block counts are mod of batch count (16).
1899 	 */
1900 	nxge_port_rbr_size = p_all_cfgp->rbr_size;
1901 	nxge_port_rcr_size = p_all_cfgp->rcr_size;
1902 
1903 	if (!nxge_port_rbr_size) {
1904 		nxge_port_rbr_size = NXGE_RBR_RBB_DEFAULT;
1905 	}
1906 	if (nxge_port_rbr_size % NXGE_RXDMA_POST_BATCH) {
1907 		nxge_port_rbr_size = (NXGE_RXDMA_POST_BATCH *
1908 			(nxge_port_rbr_size / NXGE_RXDMA_POST_BATCH + 1));
1909 	}
1910 
1911 	p_all_cfgp->rbr_size = nxge_port_rbr_size;
1912 	nxge_port_rbr_spare_size = nxge_rbr_spare_size;
1913 
1914 	if (nxge_port_rbr_spare_size % NXGE_RXDMA_POST_BATCH) {
1915 		nxge_port_rbr_spare_size = (NXGE_RXDMA_POST_BATCH *
1916 			(nxge_port_rbr_spare_size / NXGE_RXDMA_POST_BATCH + 1));
1917 	}
1918 
1919 	/*
1920 	 * N2/NIU has limitation on the descriptor sizes (contiguous
1921 	 * memory allocation on data buffers to 4M (contig_mem_alloc)
1922 	 * and little endian for control buffers (must use the ddi/dki mem alloc
1923 	 * function).
1924 	 */
1925 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
1926 	if (nxgep->niu_type == N2_NIU) {
1927 		nxge_port_rbr_spare_size = 0;
1928 		if ((nxge_port_rbr_size > NXGE_NIU_CONTIG_RBR_MAX) ||
1929 				(!ISP2(nxge_port_rbr_size))) {
1930 			nxge_port_rbr_size = NXGE_NIU_CONTIG_RBR_MAX;
1931 		}
1932 		if ((nxge_port_rcr_size > NXGE_NIU_CONTIG_RCR_MAX) ||
1933 				(!ISP2(nxge_port_rcr_size))) {
1934 			nxge_port_rcr_size = NXGE_NIU_CONTIG_RCR_MAX;
1935 		}
1936 	}
1937 #endif
1938 
1939 	rx_buf_alloc_size = (nxgep->rx_default_block_size *
1940 		(nxge_port_rbr_size + nxge_port_rbr_spare_size));
1941 
1942 	/*
1943 	 * Addresses of receive block ring, receive completion ring and the
1944 	 * mailbox must be all cache-aligned (64 bytes).
1945 	 */
1946 	rx_cntl_alloc_size = nxge_port_rbr_size + nxge_port_rbr_spare_size;
1947 	rx_cntl_alloc_size *= (sizeof (rx_desc_t));
1948 	rx_cntl_alloc_size += (sizeof (rcr_entry_t) * nxge_port_rcr_size);
1949 	rx_cntl_alloc_size += sizeof (rxdma_mailbox_t);
1950 
1951 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_alloc_rx_mem_pool: "
1952 		"nxge_port_rbr_size = %d nxge_port_rbr_spare_size = %d "
1953 		"nxge_port_rcr_size = %d "
1954 		"rx_cntl_alloc_size = %d",
1955 		nxge_port_rbr_size, nxge_port_rbr_spare_size,
1956 		nxge_port_rcr_size,
1957 		rx_cntl_alloc_size));
1958 
1959 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
1960 	if (nxgep->niu_type == N2_NIU) {
1961 		if (!ISP2(rx_buf_alloc_size)) {
1962 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1963 				"==> nxge_alloc_rx_mem_pool: "
1964 				" must be power of 2"));
1965 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1966 			goto nxge_alloc_rx_mem_pool_exit;
1967 		}
1968 
1969 		if (rx_buf_alloc_size > (1 << 22)) {
1970 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1971 				"==> nxge_alloc_rx_mem_pool: "
1972 				" limit size to 4M"));
1973 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1974 			goto nxge_alloc_rx_mem_pool_exit;
1975 		}
1976 
1977 		if (rx_cntl_alloc_size < 0x2000) {
1978 			rx_cntl_alloc_size = 0x2000;
1979 		}
1980 	}
1981 #endif
1982 	nxgep->nxge_port_rbr_size = nxge_port_rbr_size;
1983 	nxgep->nxge_port_rcr_size = nxge_port_rcr_size;
1984 
1985 	/*
1986 	 * Allocate memory for receive buffers and descriptor rings.
1987 	 * Replace allocation functions with interface functions provided
1988 	 * by the partition manager when it is available.
1989 	 */
1990 	/*
1991 	 * Allocate memory for the receive buffer blocks.
1992 	 */
1993 	for (i = 0; i < ndmas; i++) {
1994 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
1995 			" nxge_alloc_rx_mem_pool to alloc mem: "
1996 			" dma %d dma_buf_p %llx &dma_buf_p %llx",
1997 			i, dma_buf_p[i], &dma_buf_p[i]));
1998 		num_chunks[i] = 0;
1999 		status = nxge_alloc_rx_buf_dma(nxgep, st_rdc, &dma_buf_p[i],
2000 				rx_buf_alloc_size,
2001 				nxgep->rx_default_block_size, &num_chunks[i]);
2002 		if (status != NXGE_OK) {
2003 			break;
2004 		}
2005 		st_rdc++;
2006 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2007 			" nxge_alloc_rx_mem_pool DONE  alloc mem: "
2008 			"dma %d dma_buf_p %llx &dma_buf_p %llx", i,
2009 			dma_buf_p[i], &dma_buf_p[i]));
2010 	}
2011 	if (i < ndmas) {
2012 		goto nxge_alloc_rx_mem_fail1;
2013 	}
2014 	/*
2015 	 * Allocate memory for descriptor rings and mailbox.
2016 	 */
2017 	st_rdc = p_cfgp->start_rdc;
2018 	for (j = 0; j < ndmas; j++) {
2019 		status = nxge_alloc_rx_cntl_dma(nxgep, st_rdc, &dma_cntl_p[j],
2020 					rx_cntl_alloc_size);
2021 		if (status != NXGE_OK) {
2022 			break;
2023 		}
2024 		st_rdc++;
2025 	}
2026 	if (j < ndmas) {
2027 		goto nxge_alloc_rx_mem_fail2;
2028 	}
2029 
2030 	dma_poolp->ndmas = ndmas;
2031 	dma_poolp->num_chunks = num_chunks;
2032 	dma_poolp->buf_allocated = B_TRUE;
2033 	nxgep->rx_buf_pool_p = dma_poolp;
2034 	dma_poolp->dma_buf_pool_p = dma_buf_p;
2035 
2036 	dma_cntl_poolp->ndmas = ndmas;
2037 	dma_cntl_poolp->buf_allocated = B_TRUE;
2038 	nxgep->rx_cntl_pool_p = dma_cntl_poolp;
2039 	dma_cntl_poolp->dma_buf_pool_p = dma_cntl_p;
2040 
2041 	goto nxge_alloc_rx_mem_pool_exit;
2042 
2043 nxge_alloc_rx_mem_fail2:
2044 	/* Free control buffers */
2045 	j--;
2046 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2047 		"==> nxge_alloc_rx_mem_pool: freeing control bufs (%d)", j));
2048 	for (; j >= 0; j--) {
2049 		nxge_free_rx_cntl_dma(nxgep,
2050 			(p_nxge_dma_common_t)dma_cntl_p[j]);
2051 		NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2052 			"==> nxge_alloc_rx_mem_pool: control bufs freed (%d)",
2053 			j));
2054 	}
2055 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2056 		"==> nxge_alloc_rx_mem_pool: control bufs freed (%d)", j));
2057 
2058 nxge_alloc_rx_mem_fail1:
2059 	/* Free data buffers */
2060 	i--;
2061 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2062 		"==> nxge_alloc_rx_mem_pool: freeing data bufs (%d)", i));
2063 	for (; i >= 0; i--) {
2064 		nxge_free_rx_buf_dma(nxgep, (p_nxge_dma_common_t)dma_buf_p[i],
2065 			num_chunks[i]);
2066 	}
2067 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2068 		"==> nxge_alloc_rx_mem_pool: data bufs freed (%d)", i));
2069 
2070 	KMEM_FREE(num_chunks, sizeof (uint32_t) * ndmas);
2071 	KMEM_FREE(dma_poolp, sizeof (nxge_dma_pool_t));
2072 	KMEM_FREE(dma_buf_p, ndmas * sizeof (p_nxge_dma_common_t));
2073 	KMEM_FREE(dma_cntl_poolp, sizeof (nxge_dma_pool_t));
2074 	KMEM_FREE(dma_cntl_p, ndmas * sizeof (p_nxge_dma_common_t));
2075 
2076 nxge_alloc_rx_mem_pool_exit:
2077 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2078 		"<== nxge_alloc_rx_mem_pool:status 0x%08x", status));
2079 
2080 	return (status);
2081 }
2082 
2083 static void
2084 nxge_free_rx_mem_pool(p_nxge_t nxgep)
2085 {
2086 	uint32_t		i, ndmas;
2087 	p_nxge_dma_pool_t	dma_poolp;
2088 	p_nxge_dma_common_t	*dma_buf_p;
2089 	p_nxge_dma_pool_t	dma_cntl_poolp;
2090 	p_nxge_dma_common_t	*dma_cntl_p;
2091 	uint32_t 		*num_chunks;
2092 
2093 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_rx_mem_pool"));
2094 
2095 	dma_poolp = nxgep->rx_buf_pool_p;
2096 	if (dma_poolp == NULL || (!dma_poolp->buf_allocated)) {
2097 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2098 			"<== nxge_free_rx_mem_pool "
2099 			"(null rx buf pool or buf not allocated"));
2100 		return;
2101 	}
2102 
2103 	dma_cntl_poolp = nxgep->rx_cntl_pool_p;
2104 	if (dma_cntl_poolp == NULL || (!dma_cntl_poolp->buf_allocated)) {
2105 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2106 			"<== nxge_free_rx_mem_pool "
2107 			"(null rx cntl buf pool or cntl buf not allocated"));
2108 		return;
2109 	}
2110 
2111 	dma_buf_p = dma_poolp->dma_buf_pool_p;
2112 	num_chunks = dma_poolp->num_chunks;
2113 
2114 	dma_cntl_p = dma_cntl_poolp->dma_buf_pool_p;
2115 	ndmas = dma_cntl_poolp->ndmas;
2116 
2117 	for (i = 0; i < ndmas; i++) {
2118 		nxge_free_rx_buf_dma(nxgep, dma_buf_p[i], num_chunks[i]);
2119 	}
2120 
2121 	for (i = 0; i < ndmas; i++) {
2122 		nxge_free_rx_cntl_dma(nxgep, dma_cntl_p[i]);
2123 	}
2124 
2125 	for (i = 0; i < ndmas; i++) {
2126 		KMEM_FREE(dma_buf_p[i],
2127 			sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2128 		KMEM_FREE(dma_cntl_p[i], sizeof (nxge_dma_common_t));
2129 	}
2130 
2131 	KMEM_FREE(num_chunks, sizeof (uint32_t) * ndmas);
2132 	KMEM_FREE(dma_cntl_p, ndmas * sizeof (p_nxge_dma_common_t));
2133 	KMEM_FREE(dma_cntl_poolp, sizeof (nxge_dma_pool_t));
2134 	KMEM_FREE(dma_buf_p, ndmas * sizeof (p_nxge_dma_common_t));
2135 	KMEM_FREE(dma_poolp, sizeof (nxge_dma_pool_t));
2136 
2137 	nxgep->rx_buf_pool_p = NULL;
2138 	nxgep->rx_cntl_pool_p = NULL;
2139 
2140 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "<== nxge_free_rx_mem_pool"));
2141 }
2142 
2143 
2144 static nxge_status_t
2145 nxge_alloc_rx_buf_dma(p_nxge_t nxgep, uint16_t dma_channel,
2146 	p_nxge_dma_common_t *dmap,
2147 	size_t alloc_size, size_t block_size, uint32_t *num_chunks)
2148 {
2149 	p_nxge_dma_common_t 	rx_dmap;
2150 	nxge_status_t		status = NXGE_OK;
2151 	size_t			total_alloc_size;
2152 	size_t			allocated = 0;
2153 	int			i, size_index, array_size;
2154 
2155 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_buf_dma"));
2156 
2157 	rx_dmap = (p_nxge_dma_common_t)
2158 			KMEM_ZALLOC(sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK,
2159 			KM_SLEEP);
2160 
2161 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2162 		" alloc_rx_buf_dma rdc %d asize %x bsize %x bbuf %llx ",
2163 		dma_channel, alloc_size, block_size, dmap));
2164 
2165 	total_alloc_size = alloc_size;
2166 
2167 #if defined(RX_USE_RECLAIM_POST)
2168 	total_alloc_size = alloc_size + alloc_size/4;
2169 #endif
2170 
2171 	i = 0;
2172 	size_index = 0;
2173 	array_size =  sizeof (alloc_sizes)/sizeof (size_t);
2174 	while ((alloc_sizes[size_index] < alloc_size) &&
2175 			(size_index < array_size))
2176 			size_index++;
2177 	if (size_index >= array_size) {
2178 		size_index = array_size - 1;
2179 	}
2180 
2181 	while ((allocated < total_alloc_size) &&
2182 			(size_index >= 0) && (i < NXGE_DMA_BLOCK)) {
2183 		rx_dmap[i].dma_chunk_index = i;
2184 		rx_dmap[i].block_size = block_size;
2185 		rx_dmap[i].alength = alloc_sizes[size_index];
2186 		rx_dmap[i].orig_alength = rx_dmap[i].alength;
2187 		rx_dmap[i].nblocks = alloc_sizes[size_index] / block_size;
2188 		rx_dmap[i].dma_channel = dma_channel;
2189 		rx_dmap[i].contig_alloc_type = B_FALSE;
2190 
2191 		/*
2192 		 * N2/NIU: data buffers must be contiguous as the driver
2193 		 *	   needs to call Hypervisor api to set up
2194 		 *	   logical pages.
2195 		 */
2196 		if ((nxgep->niu_type == N2_NIU) && (NXGE_DMA_BLOCK == 1)) {
2197 			rx_dmap[i].contig_alloc_type = B_TRUE;
2198 		}
2199 
2200 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2201 			"alloc_rx_buf_dma rdc %d chunk %d bufp %llx size %x "
2202 			"i %d nblocks %d alength %d",
2203 			dma_channel, i, &rx_dmap[i], block_size,
2204 			i, rx_dmap[i].nblocks,
2205 			rx_dmap[i].alength));
2206 		status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2207 			&nxge_rx_dma_attr,
2208 			rx_dmap[i].alength,
2209 			&nxge_dev_buf_dma_acc_attr,
2210 			DDI_DMA_READ | DDI_DMA_STREAMING,
2211 			(p_nxge_dma_common_t)(&rx_dmap[i]));
2212 		if (status != NXGE_OK) {
2213 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2214 				" nxge_alloc_rx_buf_dma: Alloc Failed "));
2215 			size_index--;
2216 		} else {
2217 			NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2218 				" alloc_rx_buf_dma allocated rdc %d "
2219 				"chunk %d size %x dvma %x bufp %llx ",
2220 				dma_channel, i, rx_dmap[i].alength,
2221 				rx_dmap[i].ioaddr_pp, &rx_dmap[i]));
2222 			i++;
2223 			allocated += alloc_sizes[size_index];
2224 		}
2225 	}
2226 
2227 
2228 	if (allocated < total_alloc_size) {
2229 		goto nxge_alloc_rx_mem_fail1;
2230 	}
2231 
2232 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2233 		" alloc_rx_buf_dma rdc %d allocated %d chunks",
2234 		dma_channel, i));
2235 	*num_chunks = i;
2236 	*dmap = rx_dmap;
2237 
2238 	goto nxge_alloc_rx_mem_exit;
2239 
2240 nxge_alloc_rx_mem_fail1:
2241 	KMEM_FREE(rx_dmap, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2242 
2243 nxge_alloc_rx_mem_exit:
2244 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2245 		"<== nxge_alloc_rx_buf_dma status 0x%08x", status));
2246 
2247 	return (status);
2248 }
2249 
2250 /*ARGSUSED*/
2251 static void
2252 nxge_free_rx_buf_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap,
2253     uint32_t num_chunks)
2254 {
2255 	int		i;
2256 
2257 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2258 		"==> nxge_free_rx_buf_dma: # of chunks %d", num_chunks));
2259 
2260 	for (i = 0; i < num_chunks; i++) {
2261 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2262 			"==> nxge_free_rx_buf_dma: chunk %d dmap 0x%llx",
2263 				i, dmap));
2264 		nxge_dma_mem_free(dmap++);
2265 	}
2266 
2267 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_rx_buf_dma"));
2268 }
2269 
2270 /*ARGSUSED*/
2271 static nxge_status_t
2272 nxge_alloc_rx_cntl_dma(p_nxge_t nxgep, uint16_t dma_channel,
2273     p_nxge_dma_common_t *dmap, size_t size)
2274 {
2275 	p_nxge_dma_common_t 	rx_dmap;
2276 	nxge_status_t		status = NXGE_OK;
2277 
2278 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_cntl_dma"));
2279 
2280 	rx_dmap = (p_nxge_dma_common_t)
2281 			KMEM_ZALLOC(sizeof (nxge_dma_common_t), KM_SLEEP);
2282 
2283 	rx_dmap->contig_alloc_type = B_FALSE;
2284 
2285 	status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2286 			&nxge_desc_dma_attr,
2287 			size,
2288 			&nxge_dev_desc_dma_acc_attr,
2289 			DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
2290 			rx_dmap);
2291 	if (status != NXGE_OK) {
2292 		goto nxge_alloc_rx_cntl_dma_fail1;
2293 	}
2294 
2295 	*dmap = rx_dmap;
2296 	goto nxge_alloc_rx_cntl_dma_exit;
2297 
2298 nxge_alloc_rx_cntl_dma_fail1:
2299 	KMEM_FREE(rx_dmap, sizeof (nxge_dma_common_t));
2300 
2301 nxge_alloc_rx_cntl_dma_exit:
2302 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2303 		"<== nxge_alloc_rx_cntl_dma status 0x%08x", status));
2304 
2305 	return (status);
2306 }
2307 
2308 /*ARGSUSED*/
2309 static void
2310 nxge_free_rx_cntl_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap)
2311 {
2312 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_rx_cntl_dma"));
2313 
2314 	nxge_dma_mem_free(dmap);
2315 
2316 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_rx_cntl_dma"));
2317 }
2318 
2319 static nxge_status_t
2320 nxge_alloc_tx_mem_pool(p_nxge_t nxgep)
2321 {
2322 	nxge_status_t		status = NXGE_OK;
2323 	int			i, j;
2324 	uint32_t		ndmas, st_tdc;
2325 	p_nxge_dma_pt_cfg_t	p_all_cfgp;
2326 	p_nxge_hw_pt_cfg_t	p_cfgp;
2327 	p_nxge_dma_pool_t	dma_poolp;
2328 	p_nxge_dma_common_t	*dma_buf_p;
2329 	p_nxge_dma_pool_t	dma_cntl_poolp;
2330 	p_nxge_dma_common_t	*dma_cntl_p;
2331 	size_t			tx_buf_alloc_size;
2332 	size_t			tx_cntl_alloc_size;
2333 	uint32_t		*num_chunks; /* per dma */
2334 	uint32_t		bcopy_thresh;
2335 
2336 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_alloc_tx_mem_pool"));
2337 
2338 	p_all_cfgp = (p_nxge_dma_pt_cfg_t)&nxgep->pt_config;
2339 	p_cfgp = (p_nxge_hw_pt_cfg_t)&p_all_cfgp->hw_config;
2340 	st_tdc = p_cfgp->start_tdc;
2341 	ndmas = p_cfgp->max_tdcs;
2342 
2343 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_alloc_tx_mem_pool: "
2344 		"p_cfgp 0x%016llx start_tdc %d ndmas %d nxgep->max_tdcs %d",
2345 		p_cfgp, p_cfgp->start_tdc, p_cfgp->max_tdcs, nxgep->max_tdcs));
2346 	/*
2347 	 * Allocate memory for each transmit DMA channel.
2348 	 */
2349 	dma_poolp = (p_nxge_dma_pool_t)KMEM_ZALLOC(sizeof (nxge_dma_pool_t),
2350 			KM_SLEEP);
2351 	dma_buf_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2352 			sizeof (p_nxge_dma_common_t) * ndmas, KM_SLEEP);
2353 
2354 	dma_cntl_poolp = (p_nxge_dma_pool_t)
2355 			KMEM_ZALLOC(sizeof (nxge_dma_pool_t), KM_SLEEP);
2356 	dma_cntl_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2357 			sizeof (p_nxge_dma_common_t) * ndmas, KM_SLEEP);
2358 
2359 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2360 	/*
2361 	 * N2/NIU has limitation on the descriptor sizes (contiguous
2362 	 * memory allocation on data buffers to 4M (contig_mem_alloc)
2363 	 * and little endian for control buffers (must use the ddi/dki mem alloc
2364 	 * function). The transmit ring is limited to 8K (includes the
2365 	 * mailbox).
2366 	 */
2367 	if (nxgep->niu_type == N2_NIU) {
2368 		if ((nxge_tx_ring_size > NXGE_NIU_CONTIG_TX_MAX) ||
2369 			(!ISP2(nxge_tx_ring_size))) {
2370 			nxge_tx_ring_size = NXGE_NIU_CONTIG_TX_MAX;
2371 		}
2372 	}
2373 #endif
2374 
2375 	nxgep->nxge_port_tx_ring_size = nxge_tx_ring_size;
2376 
2377 	/*
2378 	 * Assume that each DMA channel will be configured with default
2379 	 * transmit bufer size for copying transmit data.
2380 	 * (For packet payload over this limit, packets will not be
2381 	 *  copied.)
2382 	 */
2383 	if (nxgep->niu_type == N2_NIU) {
2384 		bcopy_thresh = TX_BCOPY_SIZE;
2385 	} else {
2386 		bcopy_thresh = nxge_bcopy_thresh;
2387 	}
2388 	tx_buf_alloc_size = (bcopy_thresh * nxge_tx_ring_size);
2389 
2390 	/*
2391 	 * Addresses of transmit descriptor ring and the
2392 	 * mailbox must be all cache-aligned (64 bytes).
2393 	 */
2394 	tx_cntl_alloc_size = nxge_tx_ring_size;
2395 	tx_cntl_alloc_size *= (sizeof (tx_desc_t));
2396 	tx_cntl_alloc_size += sizeof (txdma_mailbox_t);
2397 
2398 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2399 	if (nxgep->niu_type == N2_NIU) {
2400 		if (!ISP2(tx_buf_alloc_size)) {
2401 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2402 				"==> nxge_alloc_tx_mem_pool: "
2403 				" must be power of 2"));
2404 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2405 			goto nxge_alloc_tx_mem_pool_exit;
2406 		}
2407 
2408 		if (tx_buf_alloc_size > (1 << 22)) {
2409 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2410 				"==> nxge_alloc_tx_mem_pool: "
2411 				" limit size to 4M"));
2412 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2413 			goto nxge_alloc_tx_mem_pool_exit;
2414 		}
2415 
2416 		if (tx_cntl_alloc_size < 0x2000) {
2417 			tx_cntl_alloc_size = 0x2000;
2418 		}
2419 	}
2420 #endif
2421 
2422 	num_chunks = (uint32_t *)KMEM_ZALLOC(
2423 			sizeof (uint32_t) * ndmas, KM_SLEEP);
2424 
2425 	/*
2426 	 * Allocate memory for transmit buffers and descriptor rings.
2427 	 * Replace allocation functions with interface functions provided
2428 	 * by the partition manager when it is available.
2429 	 *
2430 	 * Allocate memory for the transmit buffer pool.
2431 	 */
2432 	for (i = 0; i < ndmas; i++) {
2433 		num_chunks[i] = 0;
2434 		status = nxge_alloc_tx_buf_dma(nxgep, st_tdc, &dma_buf_p[i],
2435 					tx_buf_alloc_size,
2436 					bcopy_thresh, &num_chunks[i]);
2437 		if (status != NXGE_OK) {
2438 			break;
2439 		}
2440 		st_tdc++;
2441 	}
2442 	if (i < ndmas) {
2443 		goto nxge_alloc_tx_mem_pool_fail1;
2444 	}
2445 
2446 	st_tdc = p_cfgp->start_tdc;
2447 	/*
2448 	 * Allocate memory for descriptor rings and mailbox.
2449 	 */
2450 	for (j = 0; j < ndmas; j++) {
2451 		status = nxge_alloc_tx_cntl_dma(nxgep, st_tdc, &dma_cntl_p[j],
2452 					tx_cntl_alloc_size);
2453 		if (status != NXGE_OK) {
2454 			break;
2455 		}
2456 		st_tdc++;
2457 	}
2458 	if (j < ndmas) {
2459 		goto nxge_alloc_tx_mem_pool_fail2;
2460 	}
2461 
2462 	dma_poolp->ndmas = ndmas;
2463 	dma_poolp->num_chunks = num_chunks;
2464 	dma_poolp->buf_allocated = B_TRUE;
2465 	dma_poolp->dma_buf_pool_p = dma_buf_p;
2466 	nxgep->tx_buf_pool_p = dma_poolp;
2467 
2468 	dma_cntl_poolp->ndmas = ndmas;
2469 	dma_cntl_poolp->buf_allocated = B_TRUE;
2470 	dma_cntl_poolp->dma_buf_pool_p = dma_cntl_p;
2471 	nxgep->tx_cntl_pool_p = dma_cntl_poolp;
2472 
2473 	NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2474 		"==> nxge_alloc_tx_mem_pool: start_tdc %d "
2475 		"ndmas %d poolp->ndmas %d",
2476 		st_tdc, ndmas, dma_poolp->ndmas));
2477 
2478 	goto nxge_alloc_tx_mem_pool_exit;
2479 
2480 nxge_alloc_tx_mem_pool_fail2:
2481 	/* Free control buffers */
2482 	j--;
2483 	for (; j >= 0; j--) {
2484 		nxge_free_tx_cntl_dma(nxgep,
2485 			(p_nxge_dma_common_t)dma_cntl_p[j]);
2486 	}
2487 
2488 nxge_alloc_tx_mem_pool_fail1:
2489 	/* Free data buffers */
2490 	i--;
2491 	for (; i >= 0; i--) {
2492 		nxge_free_tx_buf_dma(nxgep, (p_nxge_dma_common_t)dma_buf_p[i],
2493 			num_chunks[i]);
2494 	}
2495 
2496 	KMEM_FREE(dma_poolp, sizeof (nxge_dma_pool_t));
2497 	KMEM_FREE(dma_buf_p, ndmas * sizeof (p_nxge_dma_common_t));
2498 	KMEM_FREE(dma_cntl_poolp, sizeof (nxge_dma_pool_t));
2499 	KMEM_FREE(dma_cntl_p, ndmas * sizeof (p_nxge_dma_common_t));
2500 	KMEM_FREE(num_chunks, sizeof (uint32_t) * ndmas);
2501 
2502 nxge_alloc_tx_mem_pool_exit:
2503 	NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2504 		"<== nxge_alloc_tx_mem_pool:status 0x%08x", status));
2505 
2506 	return (status);
2507 }
2508 
2509 static nxge_status_t
2510 nxge_alloc_tx_buf_dma(p_nxge_t nxgep, uint16_t dma_channel,
2511     p_nxge_dma_common_t *dmap, size_t alloc_size,
2512     size_t block_size, uint32_t *num_chunks)
2513 {
2514 	p_nxge_dma_common_t 	tx_dmap;
2515 	nxge_status_t		status = NXGE_OK;
2516 	size_t			total_alloc_size;
2517 	size_t			allocated = 0;
2518 	int			i, size_index, array_size;
2519 
2520 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tx_buf_dma"));
2521 
2522 	tx_dmap = (p_nxge_dma_common_t)
2523 		KMEM_ZALLOC(sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK,
2524 			KM_SLEEP);
2525 
2526 	total_alloc_size = alloc_size;
2527 	i = 0;
2528 	size_index = 0;
2529 	array_size =  sizeof (alloc_sizes) /  sizeof (size_t);
2530 	while ((alloc_sizes[size_index] < alloc_size) &&
2531 		(size_index < array_size))
2532 		size_index++;
2533 	if (size_index >= array_size) {
2534 		size_index = array_size - 1;
2535 	}
2536 
2537 	while ((allocated < total_alloc_size) &&
2538 			(size_index >= 0) && (i < NXGE_DMA_BLOCK)) {
2539 
2540 		tx_dmap[i].dma_chunk_index = i;
2541 		tx_dmap[i].block_size = block_size;
2542 		tx_dmap[i].alength = alloc_sizes[size_index];
2543 		tx_dmap[i].orig_alength = tx_dmap[i].alength;
2544 		tx_dmap[i].nblocks = alloc_sizes[size_index] / block_size;
2545 		tx_dmap[i].dma_channel = dma_channel;
2546 		tx_dmap[i].contig_alloc_type = B_FALSE;
2547 
2548 		/*
2549 		 * N2/NIU: data buffers must be contiguous as the driver
2550 		 *	   needs to call Hypervisor api to set up
2551 		 *	   logical pages.
2552 		 */
2553 		if ((nxgep->niu_type == N2_NIU) && (NXGE_DMA_BLOCK == 1)) {
2554 			tx_dmap[i].contig_alloc_type = B_TRUE;
2555 		}
2556 
2557 		status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2558 			&nxge_tx_dma_attr,
2559 			tx_dmap[i].alength,
2560 			&nxge_dev_buf_dma_acc_attr,
2561 			DDI_DMA_WRITE | DDI_DMA_STREAMING,
2562 			(p_nxge_dma_common_t)(&tx_dmap[i]));
2563 		if (status != NXGE_OK) {
2564 			size_index--;
2565 		} else {
2566 			i++;
2567 			allocated += alloc_sizes[size_index];
2568 		}
2569 	}
2570 
2571 	if (allocated < total_alloc_size) {
2572 		goto nxge_alloc_tx_mem_fail1;
2573 	}
2574 
2575 	*num_chunks = i;
2576 	*dmap = tx_dmap;
2577 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2578 		"==> nxge_alloc_tx_buf_dma dmap 0x%016llx num chunks %d",
2579 		*dmap, i));
2580 	goto nxge_alloc_tx_mem_exit;
2581 
2582 nxge_alloc_tx_mem_fail1:
2583 	KMEM_FREE(tx_dmap, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2584 
2585 nxge_alloc_tx_mem_exit:
2586 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2587 		"<== nxge_alloc_tx_buf_dma status 0x%08x", status));
2588 
2589 	return (status);
2590 }
2591 
2592 /*ARGSUSED*/
2593 static void
2594 nxge_free_tx_buf_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap,
2595     uint32_t num_chunks)
2596 {
2597 	int		i;
2598 
2599 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_free_tx_buf_dma"));
2600 
2601 	for (i = 0; i < num_chunks; i++) {
2602 		nxge_dma_mem_free(dmap++);
2603 	}
2604 
2605 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "<== nxge_free_tx_buf_dma"));
2606 }
2607 
2608 /*ARGSUSED*/
2609 static nxge_status_t
2610 nxge_alloc_tx_cntl_dma(p_nxge_t nxgep, uint16_t dma_channel,
2611     p_nxge_dma_common_t *dmap, size_t size)
2612 {
2613 	p_nxge_dma_common_t 	tx_dmap;
2614 	nxge_status_t		status = NXGE_OK;
2615 
2616 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tx_cntl_dma"));
2617 	tx_dmap = (p_nxge_dma_common_t)
2618 			KMEM_ZALLOC(sizeof (nxge_dma_common_t), KM_SLEEP);
2619 
2620 	tx_dmap->contig_alloc_type = B_FALSE;
2621 
2622 	status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2623 			&nxge_desc_dma_attr,
2624 			size,
2625 			&nxge_dev_desc_dma_acc_attr,
2626 			DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
2627 			tx_dmap);
2628 	if (status != NXGE_OK) {
2629 		goto nxge_alloc_tx_cntl_dma_fail1;
2630 	}
2631 
2632 	*dmap = tx_dmap;
2633 	goto nxge_alloc_tx_cntl_dma_exit;
2634 
2635 nxge_alloc_tx_cntl_dma_fail1:
2636 	KMEM_FREE(tx_dmap, sizeof (nxge_dma_common_t));
2637 
2638 nxge_alloc_tx_cntl_dma_exit:
2639 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2640 		"<== nxge_alloc_tx_cntl_dma status 0x%08x", status));
2641 
2642 	return (status);
2643 }
2644 
2645 /*ARGSUSED*/
2646 static void
2647 nxge_free_tx_cntl_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap)
2648 {
2649 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_tx_cntl_dma"));
2650 
2651 	nxge_dma_mem_free(dmap);
2652 
2653 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_tx_cntl_dma"));
2654 }
2655 
2656 static void
2657 nxge_free_tx_mem_pool(p_nxge_t nxgep)
2658 {
2659 	uint32_t		i, ndmas;
2660 	p_nxge_dma_pool_t	dma_poolp;
2661 	p_nxge_dma_common_t	*dma_buf_p;
2662 	p_nxge_dma_pool_t	dma_cntl_poolp;
2663 	p_nxge_dma_common_t	*dma_cntl_p;
2664 	uint32_t 		*num_chunks;
2665 
2666 	NXGE_DEBUG_MSG((nxgep, MEM3_CTL, "==> nxge_free_tx_mem_pool"));
2667 
2668 	dma_poolp = nxgep->tx_buf_pool_p;
2669 	if (dma_poolp == NULL || (!dma_poolp->buf_allocated)) {
2670 		NXGE_DEBUG_MSG((nxgep, MEM3_CTL,
2671 			"<== nxge_free_tx_mem_pool "
2672 			"(null rx buf pool or buf not allocated"));
2673 		return;
2674 	}
2675 
2676 	dma_cntl_poolp = nxgep->tx_cntl_pool_p;
2677 	if (dma_cntl_poolp == NULL || (!dma_cntl_poolp->buf_allocated)) {
2678 		NXGE_DEBUG_MSG((nxgep, MEM3_CTL,
2679 			"<== nxge_free_tx_mem_pool "
2680 			"(null tx cntl buf pool or cntl buf not allocated"));
2681 		return;
2682 	}
2683 
2684 	dma_buf_p = dma_poolp->dma_buf_pool_p;
2685 	num_chunks = dma_poolp->num_chunks;
2686 
2687 	dma_cntl_p = dma_cntl_poolp->dma_buf_pool_p;
2688 	ndmas = dma_cntl_poolp->ndmas;
2689 
2690 	for (i = 0; i < ndmas; i++) {
2691 		nxge_free_tx_buf_dma(nxgep, dma_buf_p[i], num_chunks[i]);
2692 	}
2693 
2694 	for (i = 0; i < ndmas; i++) {
2695 		nxge_free_tx_cntl_dma(nxgep, dma_cntl_p[i]);
2696 	}
2697 
2698 	for (i = 0; i < ndmas; i++) {
2699 		KMEM_FREE(dma_buf_p[i],
2700 			sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2701 		KMEM_FREE(dma_cntl_p[i], sizeof (nxge_dma_common_t));
2702 	}
2703 
2704 	KMEM_FREE(num_chunks, sizeof (uint32_t) * ndmas);
2705 	KMEM_FREE(dma_cntl_p, ndmas * sizeof (p_nxge_dma_common_t));
2706 	KMEM_FREE(dma_cntl_poolp, sizeof (nxge_dma_pool_t));
2707 	KMEM_FREE(dma_buf_p, ndmas * sizeof (p_nxge_dma_common_t));
2708 	KMEM_FREE(dma_poolp, sizeof (nxge_dma_pool_t));
2709 
2710 	nxgep->tx_buf_pool_p = NULL;
2711 	nxgep->tx_cntl_pool_p = NULL;
2712 
2713 	NXGE_DEBUG_MSG((nxgep, MEM3_CTL, "<== nxge_free_tx_mem_pool"));
2714 }
2715 
2716 /*ARGSUSED*/
2717 static nxge_status_t
2718 nxge_dma_mem_alloc(p_nxge_t nxgep, dma_method_t method,
2719 	struct ddi_dma_attr *dma_attrp,
2720 	size_t length, ddi_device_acc_attr_t *acc_attr_p, uint_t xfer_flags,
2721 	p_nxge_dma_common_t dma_p)
2722 {
2723 	caddr_t 		kaddrp;
2724 	int			ddi_status = DDI_SUCCESS;
2725 	boolean_t		contig_alloc_type;
2726 
2727 	contig_alloc_type = dma_p->contig_alloc_type;
2728 
2729 	if (contig_alloc_type && (nxgep->niu_type != N2_NIU)) {
2730 		/*
2731 		 * contig_alloc_type for contiguous memory only allowed
2732 		 * for N2/NIU.
2733 		 */
2734 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2735 			"nxge_dma_mem_alloc: alloc type not allows (%d)",
2736 			dma_p->contig_alloc_type));
2737 		return (NXGE_ERROR | NXGE_DDI_FAILED);
2738 	}
2739 
2740 	dma_p->dma_handle = NULL;
2741 	dma_p->acc_handle = NULL;
2742 	dma_p->kaddrp = dma_p->last_kaddrp = NULL;
2743 	dma_p->first_ioaddr_pp = dma_p->last_ioaddr_pp = NULL;
2744 	ddi_status = ddi_dma_alloc_handle(nxgep->dip, dma_attrp,
2745 		DDI_DMA_DONTWAIT, NULL, &dma_p->dma_handle);
2746 	if (ddi_status != DDI_SUCCESS) {
2747 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2748 			"nxge_dma_mem_alloc:ddi_dma_alloc_handle failed."));
2749 		return (NXGE_ERROR | NXGE_DDI_FAILED);
2750 	}
2751 
2752 	switch (contig_alloc_type) {
2753 	case B_FALSE:
2754 		ddi_status = ddi_dma_mem_alloc(dma_p->dma_handle, length,
2755 			acc_attr_p,
2756 			xfer_flags,
2757 			DDI_DMA_DONTWAIT, 0, &kaddrp, &dma_p->alength,
2758 			&dma_p->acc_handle);
2759 		if (ddi_status != DDI_SUCCESS) {
2760 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2761 				"nxge_dma_mem_alloc:ddi_dma_mem_alloc failed"));
2762 			ddi_dma_free_handle(&dma_p->dma_handle);
2763 			dma_p->dma_handle = NULL;
2764 			return (NXGE_ERROR | NXGE_DDI_FAILED);
2765 		}
2766 		if (dma_p->alength < length) {
2767 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2768 				"nxge_dma_mem_alloc:ddi_dma_mem_alloc "
2769 				"< length."));
2770 			ddi_dma_mem_free(&dma_p->acc_handle);
2771 			ddi_dma_free_handle(&dma_p->dma_handle);
2772 			dma_p->acc_handle = NULL;
2773 			dma_p->dma_handle = NULL;
2774 			return (NXGE_ERROR);
2775 		}
2776 
2777 		ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle, NULL,
2778 			kaddrp, dma_p->alength, xfer_flags, DDI_DMA_DONTWAIT, 0,
2779 			&dma_p->dma_cookie, &dma_p->ncookies);
2780 		if (ddi_status != DDI_DMA_MAPPED) {
2781 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2782 				"nxge_dma_mem_alloc:di_dma_addr_bind failed "
2783 				"(staus 0x%x ncookies %d.)", ddi_status,
2784 				dma_p->ncookies));
2785 			if (dma_p->acc_handle) {
2786 				ddi_dma_mem_free(&dma_p->acc_handle);
2787 				dma_p->acc_handle = NULL;
2788 			}
2789 			ddi_dma_free_handle(&dma_p->dma_handle);
2790 			dma_p->dma_handle = NULL;
2791 			return (NXGE_ERROR | NXGE_DDI_FAILED);
2792 		}
2793 
2794 		if (dma_p->ncookies != 1) {
2795 			NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2796 				"nxge_dma_mem_alloc:ddi_dma_addr_bind "
2797 				"> 1 cookie"
2798 				"(staus 0x%x ncookies %d.)", ddi_status,
2799 				dma_p->ncookies));
2800 			if (dma_p->acc_handle) {
2801 				ddi_dma_mem_free(&dma_p->acc_handle);
2802 				dma_p->acc_handle = NULL;
2803 			}
2804 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
2805 			ddi_dma_free_handle(&dma_p->dma_handle);
2806 			dma_p->dma_handle = NULL;
2807 			return (NXGE_ERROR);
2808 		}
2809 		break;
2810 
2811 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2812 	case B_TRUE:
2813 		kaddrp = (caddr_t)contig_mem_alloc(length);
2814 		if (kaddrp == NULL) {
2815 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2816 				"nxge_dma_mem_alloc:contig_mem_alloc failed."));
2817 			ddi_dma_free_handle(&dma_p->dma_handle);
2818 			return (NXGE_ERROR | NXGE_DDI_FAILED);
2819 		}
2820 
2821 		dma_p->alength = length;
2822 		ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle, NULL,
2823 			kaddrp, dma_p->alength, xfer_flags, DDI_DMA_DONTWAIT, 0,
2824 			&dma_p->dma_cookie, &dma_p->ncookies);
2825 		if (ddi_status != DDI_DMA_MAPPED) {
2826 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2827 				"nxge_dma_mem_alloc:di_dma_addr_bind failed "
2828 				"(status 0x%x ncookies %d.)", ddi_status,
2829 				dma_p->ncookies));
2830 
2831 			NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2832 				"==> nxge_dma_mem_alloc: (not mapped)"
2833 				"length %lu (0x%x) "
2834 				"free contig kaddrp $%p "
2835 				"va_to_pa $%p",
2836 				length, length,
2837 				kaddrp,
2838 				va_to_pa(kaddrp)));
2839 
2840 
2841 			contig_mem_free((void *)kaddrp, length);
2842 			ddi_dma_free_handle(&dma_p->dma_handle);
2843 
2844 			dma_p->dma_handle = NULL;
2845 			dma_p->acc_handle = NULL;
2846 			dma_p->alength = NULL;
2847 			dma_p->kaddrp = NULL;
2848 
2849 			return (NXGE_ERROR | NXGE_DDI_FAILED);
2850 		}
2851 
2852 		if (dma_p->ncookies != 1 ||
2853 			(dma_p->dma_cookie.dmac_laddress == NULL)) {
2854 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2855 				"nxge_dma_mem_alloc:di_dma_addr_bind > 1 "
2856 				"cookie or "
2857 				"dmac_laddress is NULL $%p size %d "
2858 				" (status 0x%x ncookies %d.)",
2859 				ddi_status,
2860 				dma_p->dma_cookie.dmac_laddress,
2861 				dma_p->dma_cookie.dmac_size,
2862 				dma_p->ncookies));
2863 
2864 			contig_mem_free((void *)kaddrp, length);
2865 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
2866 			ddi_dma_free_handle(&dma_p->dma_handle);
2867 
2868 			dma_p->alength = 0;
2869 			dma_p->dma_handle = NULL;
2870 			dma_p->acc_handle = NULL;
2871 			dma_p->kaddrp = NULL;
2872 
2873 			return (NXGE_ERROR | NXGE_DDI_FAILED);
2874 		}
2875 		break;
2876 
2877 #else
2878 	case B_TRUE:
2879 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2880 			"nxge_dma_mem_alloc: invalid alloc type for !sun4v"));
2881 		return (NXGE_ERROR | NXGE_DDI_FAILED);
2882 #endif
2883 	}
2884 
2885 	dma_p->kaddrp = kaddrp;
2886 	dma_p->last_kaddrp = (unsigned char *)kaddrp +
2887 			dma_p->alength - RXBUF_64B_ALIGNED;
2888 	dma_p->ioaddr_pp = (unsigned char *)dma_p->dma_cookie.dmac_laddress;
2889 	dma_p->last_ioaddr_pp =
2890 		(unsigned char *)dma_p->dma_cookie.dmac_laddress +
2891 				dma_p->alength - RXBUF_64B_ALIGNED;
2892 
2893 	NPI_DMA_ACC_HANDLE_SET(dma_p, dma_p->acc_handle);
2894 
2895 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2896 	dma_p->orig_ioaddr_pp =
2897 		(unsigned char *)dma_p->dma_cookie.dmac_laddress;
2898 	dma_p->orig_alength = length;
2899 	dma_p->orig_kaddrp = kaddrp;
2900 	dma_p->orig_vatopa = (uint64_t)va_to_pa(kaddrp);
2901 #endif
2902 
2903 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_dma_mem_alloc: "
2904 		"dma buffer allocated: dma_p $%p "
2905 		"return dmac_ladress from cookie $%p cookie dmac_size %d "
2906 		"dma_p->ioaddr_p $%p "
2907 		"dma_p->orig_ioaddr_p $%p "
2908 		"orig_vatopa $%p "
2909 		"alength %d (0x%x) "
2910 		"kaddrp $%p "
2911 		"length %d (0x%x)",
2912 		dma_p,
2913 		dma_p->dma_cookie.dmac_laddress, dma_p->dma_cookie.dmac_size,
2914 		dma_p->ioaddr_pp,
2915 		dma_p->orig_ioaddr_pp,
2916 		dma_p->orig_vatopa,
2917 		dma_p->alength, dma_p->alength,
2918 		kaddrp,
2919 		length, length));
2920 
2921 	return (NXGE_OK);
2922 }
2923 
2924 static void
2925 nxge_dma_mem_free(p_nxge_dma_common_t dma_p)
2926 {
2927 	if (dma_p->dma_handle != NULL) {
2928 		if (dma_p->ncookies) {
2929 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
2930 			dma_p->ncookies = 0;
2931 		}
2932 		ddi_dma_free_handle(&dma_p->dma_handle);
2933 		dma_p->dma_handle = NULL;
2934 	}
2935 
2936 	if (dma_p->acc_handle != NULL) {
2937 		ddi_dma_mem_free(&dma_p->acc_handle);
2938 		dma_p->acc_handle = NULL;
2939 		NPI_DMA_ACC_HANDLE_SET(dma_p, NULL);
2940 	}
2941 
2942 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2943 	if (dma_p->contig_alloc_type &&
2944 			dma_p->orig_kaddrp && dma_p->orig_alength) {
2945 		NXGE_DEBUG_MSG((NULL, DMA_CTL, "nxge_dma_mem_free: "
2946 			"kaddrp $%p (orig_kaddrp $%p)"
2947 			"mem type %d ",
2948 			"orig_alength %d "
2949 			"alength 0x%x (%d)",
2950 			dma_p->kaddrp,
2951 			dma_p->orig_kaddrp,
2952 			dma_p->contig_alloc_type,
2953 			dma_p->orig_alength,
2954 			dma_p->alength, dma_p->alength));
2955 
2956 		contig_mem_free(dma_p->orig_kaddrp, dma_p->orig_alength);
2957 		dma_p->orig_alength = NULL;
2958 		dma_p->orig_kaddrp = NULL;
2959 		dma_p->contig_alloc_type = B_FALSE;
2960 	}
2961 #endif
2962 	dma_p->kaddrp = NULL;
2963 	dma_p->alength = NULL;
2964 }
2965 
2966 /*
2967  *	nxge_m_start() -- start transmitting and receiving.
2968  *
2969  *	This function is called by the MAC layer when the first
2970  *	stream is open to prepare the hardware ready for sending
2971  *	and transmitting packets.
2972  */
2973 static int
2974 nxge_m_start(void *arg)
2975 {
2976 	p_nxge_t 	nxgep = (p_nxge_t)arg;
2977 
2978 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_start"));
2979 
2980 	MUTEX_ENTER(nxgep->genlock);
2981 	if (nxge_init(nxgep) != NXGE_OK) {
2982 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2983 			"<== nxge_m_start: initialization failed"));
2984 		MUTEX_EXIT(nxgep->genlock);
2985 		return (EIO);
2986 	}
2987 
2988 	if (nxgep->nxge_mac_state == NXGE_MAC_STARTED)
2989 		goto nxge_m_start_exit;
2990 	/*
2991 	 * Start timer to check the system error and tx hangs
2992 	 */
2993 	nxgep->nxge_timerid = nxge_start_timer(nxgep, nxge_check_hw_state,
2994 		NXGE_CHECK_TIMER);
2995 
2996 	nxgep->link_notify = B_TRUE;
2997 
2998 	nxgep->nxge_mac_state = NXGE_MAC_STARTED;
2999 
3000 nxge_m_start_exit:
3001 	MUTEX_EXIT(nxgep->genlock);
3002 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_start"));
3003 	return (0);
3004 }
3005 
3006 /*
3007  *	nxge_m_stop(): stop transmitting and receiving.
3008  */
3009 static void
3010 nxge_m_stop(void *arg)
3011 {
3012 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3013 
3014 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_stop"));
3015 
3016 	if (nxgep->nxge_timerid) {
3017 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
3018 		nxgep->nxge_timerid = 0;
3019 	}
3020 
3021 	MUTEX_ENTER(nxgep->genlock);
3022 	nxge_uninit(nxgep);
3023 
3024 	nxgep->nxge_mac_state = NXGE_MAC_STOPPED;
3025 
3026 	MUTEX_EXIT(nxgep->genlock);
3027 
3028 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_stop"));
3029 }
3030 
3031 static int
3032 nxge_m_unicst(void *arg, const uint8_t *macaddr)
3033 {
3034 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3035 	struct 		ether_addr addrp;
3036 
3037 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "==> nxge_m_unicst"));
3038 
3039 	bcopy(macaddr, (uint8_t *)&addrp, ETHERADDRL);
3040 	if (nxge_set_mac_addr(nxgep, &addrp)) {
3041 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3042 			"<== nxge_m_unicst: set unitcast failed"));
3043 		return (EINVAL);
3044 	}
3045 
3046 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "<== nxge_m_unicst"));
3047 
3048 	return (0);
3049 }
3050 
3051 static int
3052 nxge_m_multicst(void *arg, boolean_t add, const uint8_t *mca)
3053 {
3054 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3055 	struct 		ether_addr addrp;
3056 
3057 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3058 		"==> nxge_m_multicst: add %d", add));
3059 
3060 	bcopy(mca, (uint8_t *)&addrp, ETHERADDRL);
3061 	if (add) {
3062 		if (nxge_add_mcast_addr(nxgep, &addrp)) {
3063 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3064 				"<== nxge_m_multicst: add multicast failed"));
3065 			return (EINVAL);
3066 		}
3067 	} else {
3068 		if (nxge_del_mcast_addr(nxgep, &addrp)) {
3069 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3070 				"<== nxge_m_multicst: del multicast failed"));
3071 			return (EINVAL);
3072 		}
3073 	}
3074 
3075 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "<== nxge_m_multicst"));
3076 
3077 	return (0);
3078 }
3079 
3080 static int
3081 nxge_m_promisc(void *arg, boolean_t on)
3082 {
3083 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3084 
3085 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3086 		"==> nxge_m_promisc: on %d", on));
3087 
3088 	if (nxge_set_promisc(nxgep, on)) {
3089 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3090 			"<== nxge_m_promisc: set promisc failed"));
3091 		return (EINVAL);
3092 	}
3093 
3094 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3095 		"<== nxge_m_promisc: on %d", on));
3096 
3097 	return (0);
3098 }
3099 
3100 static void
3101 nxge_m_ioctl(void *arg,  queue_t *wq, mblk_t *mp)
3102 {
3103 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3104 	struct 		iocblk *iocp;
3105 	boolean_t 	need_privilege;
3106 	int 		err;
3107 	int 		cmd;
3108 
3109 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_ioctl"));
3110 
3111 	iocp = (struct iocblk *)mp->b_rptr;
3112 	iocp->ioc_error = 0;
3113 	need_privilege = B_TRUE;
3114 	cmd = iocp->ioc_cmd;
3115 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_ioctl: cmd 0x%08x", cmd));
3116 	switch (cmd) {
3117 	default:
3118 		miocnak(wq, mp, 0, EINVAL);
3119 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_ioctl: invalid"));
3120 		return;
3121 
3122 	case LB_GET_INFO_SIZE:
3123 	case LB_GET_INFO:
3124 	case LB_GET_MODE:
3125 		need_privilege = B_FALSE;
3126 		break;
3127 	case LB_SET_MODE:
3128 		break;
3129 
3130 	case ND_GET:
3131 		need_privilege = B_FALSE;
3132 		break;
3133 	case ND_SET:
3134 		break;
3135 
3136 	case NXGE_GET_MII:
3137 	case NXGE_PUT_MII:
3138 	case NXGE_GET64:
3139 	case NXGE_PUT64:
3140 	case NXGE_GET_TX_RING_SZ:
3141 	case NXGE_GET_TX_DESC:
3142 	case NXGE_TX_SIDE_RESET:
3143 	case NXGE_RX_SIDE_RESET:
3144 	case NXGE_GLOBAL_RESET:
3145 	case NXGE_RESET_MAC:
3146 	case NXGE_TX_REGS_DUMP:
3147 	case NXGE_RX_REGS_DUMP:
3148 	case NXGE_INT_REGS_DUMP:
3149 	case NXGE_VIR_INT_REGS_DUMP:
3150 	case NXGE_PUT_TCAM:
3151 	case NXGE_GET_TCAM:
3152 	case NXGE_RTRACE:
3153 	case NXGE_RDUMP:
3154 
3155 		need_privilege = B_FALSE;
3156 		break;
3157 	case NXGE_INJECT_ERR:
3158 		cmn_err(CE_NOTE, "!nxge_m_ioctl: Inject error\n");
3159 		nxge_err_inject(nxgep, wq, mp);
3160 		break;
3161 	}
3162 
3163 	if (need_privilege) {
3164 		err = secpolicy_net_config(iocp->ioc_cr, B_FALSE);
3165 		if (err != 0) {
3166 			miocnak(wq, mp, 0, err);
3167 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3168 				"<== nxge_m_ioctl: no priv"));
3169 			return;
3170 		}
3171 	}
3172 
3173 	switch (cmd) {
3174 	case ND_GET:
3175 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "ND_GET command"));
3176 	case ND_SET:
3177 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "ND_SET command"));
3178 		nxge_param_ioctl(nxgep, wq, mp, iocp);
3179 		break;
3180 
3181 	case LB_GET_MODE:
3182 	case LB_SET_MODE:
3183 	case LB_GET_INFO_SIZE:
3184 	case LB_GET_INFO:
3185 		nxge_loopback_ioctl(nxgep, wq, mp, iocp);
3186 		break;
3187 
3188 	case NXGE_GET_MII:
3189 	case NXGE_PUT_MII:
3190 	case NXGE_PUT_TCAM:
3191 	case NXGE_GET_TCAM:
3192 	case NXGE_GET64:
3193 	case NXGE_PUT64:
3194 	case NXGE_GET_TX_RING_SZ:
3195 	case NXGE_GET_TX_DESC:
3196 	case NXGE_TX_SIDE_RESET:
3197 	case NXGE_RX_SIDE_RESET:
3198 	case NXGE_GLOBAL_RESET:
3199 	case NXGE_RESET_MAC:
3200 	case NXGE_TX_REGS_DUMP:
3201 	case NXGE_RX_REGS_DUMP:
3202 	case NXGE_INT_REGS_DUMP:
3203 	case NXGE_VIR_INT_REGS_DUMP:
3204 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
3205 			"==> nxge_m_ioctl: cmd 0x%x", cmd));
3206 		nxge_hw_ioctl(nxgep, wq, mp, iocp);
3207 		break;
3208 	}
3209 
3210 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_ioctl"));
3211 }
3212 
3213 extern void nxge_rx_hw_blank(void *arg, time_t ticks, uint_t count);
3214 
3215 static void
3216 nxge_m_resources(void *arg)
3217 {
3218 	p_nxge_t		nxgep = arg;
3219 	mac_rx_fifo_t 		mrf;
3220 	p_rx_rcr_rings_t	rcr_rings;
3221 	p_rx_rcr_ring_t		*rcr_p;
3222 	uint32_t		i, ndmas;
3223 	nxge_status_t		status;
3224 
3225 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "==> nxge_m_resources"));
3226 
3227 	MUTEX_ENTER(nxgep->genlock);
3228 
3229 	/*
3230 	 * CR 6492541 Check to see if the drv_state has been initialized,
3231 	 * if not * call nxge_init().
3232 	 */
3233 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3234 		status = nxge_init(nxgep);
3235 		if (status != NXGE_OK)
3236 			goto nxge_m_resources_exit;
3237 	}
3238 
3239 	mrf.mrf_type = MAC_RX_FIFO;
3240 	mrf.mrf_blank = nxge_rx_hw_blank;
3241 	mrf.mrf_arg = (void *)nxgep;
3242 
3243 	mrf.mrf_normal_blank_time = 128;
3244 	mrf.mrf_normal_pkt_count = 8;
3245 	rcr_rings = nxgep->rx_rcr_rings;
3246 	rcr_p = rcr_rings->rcr_rings;
3247 	ndmas = rcr_rings->ndmas;
3248 
3249 	/*
3250 	 * Export our receive resources to the MAC layer.
3251 	 */
3252 	for (i = 0; i < ndmas; i++) {
3253 		((p_rx_rcr_ring_t)rcr_p[i])->rcr_mac_handle =
3254 				mac_resource_add(nxgep->mach,
3255 				    (mac_resource_t *)&mrf);
3256 
3257 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
3258 			"==> nxge_m_resources: vdma %d dma %d "
3259 			"rcrptr 0x%016llx mac_handle 0x%016llx",
3260 			i, ((p_rx_rcr_ring_t)rcr_p[i])->rdc,
3261 			rcr_p[i],
3262 			((p_rx_rcr_ring_t)rcr_p[i])->rcr_mac_handle));
3263 	}
3264 
3265 nxge_m_resources_exit:
3266 	MUTEX_EXIT(nxgep->genlock);
3267 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "<== nxge_m_resources"));
3268 }
3269 
3270 static void
3271 nxge_mmac_kstat_update(p_nxge_t nxgep, mac_addr_slot_t slot, boolean_t factory)
3272 {
3273 	p_nxge_mmac_stats_t mmac_stats;
3274 	int i;
3275 	nxge_mmac_t *mmac_info;
3276 
3277 	mmac_info = &nxgep->nxge_mmac_info;
3278 
3279 	mmac_stats = &nxgep->statsp->mmac_stats;
3280 	mmac_stats->mmac_max_cnt = mmac_info->num_mmac;
3281 	mmac_stats->mmac_avail_cnt = mmac_info->naddrfree;
3282 
3283 	for (i = 0; i < ETHERADDRL; i++) {
3284 		if (factory) {
3285 			mmac_stats->mmac_avail_pool[slot-1].ether_addr_octet[i]
3286 			= mmac_info->factory_mac_pool[slot][(ETHERADDRL-1) - i];
3287 		} else {
3288 			mmac_stats->mmac_avail_pool[slot-1].ether_addr_octet[i]
3289 			= mmac_info->mac_pool[slot].addr[(ETHERADDRL - 1) - i];
3290 		}
3291 	}
3292 }
3293 
3294 /*
3295  * nxge_altmac_set() -- Set an alternate MAC address
3296  */
3297 static int
3298 nxge_altmac_set(p_nxge_t nxgep, uint8_t *maddr, mac_addr_slot_t slot)
3299 {
3300 	uint8_t addrn;
3301 	uint8_t portn;
3302 	npi_mac_addr_t altmac;
3303 	hostinfo_t mac_rdc;
3304 	p_nxge_class_pt_cfg_t clscfgp;
3305 
3306 	altmac.w2 = ((uint16_t)maddr[0] << 8) | ((uint16_t)maddr[1] & 0x0ff);
3307 	altmac.w1 = ((uint16_t)maddr[2] << 8) | ((uint16_t)maddr[3] & 0x0ff);
3308 	altmac.w0 = ((uint16_t)maddr[4] << 8) | ((uint16_t)maddr[5] & 0x0ff);
3309 
3310 	portn = nxgep->mac.portnum;
3311 	addrn = (uint8_t)slot - 1;
3312 
3313 	if (npi_mac_altaddr_entry(nxgep->npi_handle, OP_SET, portn,
3314 		addrn, &altmac) != NPI_SUCCESS)
3315 		return (EIO);
3316 
3317 	/*
3318 	 * Set the rdc table number for the host info entry
3319 	 * for this mac address slot.
3320 	 */
3321 	clscfgp = (p_nxge_class_pt_cfg_t)&nxgep->class_config;
3322 	mac_rdc.value = 0;
3323 	mac_rdc.bits.w0.rdc_tbl_num = clscfgp->mac_host_info[addrn].rdctbl;
3324 	mac_rdc.bits.w0.mac_pref = clscfgp->mac_host_info[addrn].mpr_npr;
3325 
3326 	if (npi_mac_hostinfo_entry(nxgep->npi_handle, OP_SET,
3327 	    nxgep->function_num, addrn, &mac_rdc) != NPI_SUCCESS) {
3328 		return (EIO);
3329 	}
3330 
3331 	/*
3332 	 * Enable comparison with the alternate MAC address.
3333 	 * While the first alternate addr is enabled by bit 1 of register
3334 	 * BMAC_ALTAD_CMPEN, it is enabled by bit 0 of register
3335 	 * XMAC_ADDR_CMPEN, so slot needs to be converted to addrn
3336 	 * accordingly before calling npi_mac_altaddr_entry.
3337 	 */
3338 	if (portn == XMAC_PORT_0 || portn == XMAC_PORT_1)
3339 		addrn = (uint8_t)slot - 1;
3340 	else
3341 		addrn = (uint8_t)slot;
3342 
3343 	if (npi_mac_altaddr_enable(nxgep->npi_handle, portn, addrn)
3344 		!= NPI_SUCCESS)
3345 		return (EIO);
3346 
3347 	return (0);
3348 }
3349 
3350 /*
3351  * nxeg_m_mmac_add() - find an unused address slot, set the address
3352  * value to the one specified, enable the port to start filtering on
3353  * the new MAC address.  Returns 0 on success.
3354  */
3355 static int
3356 nxge_m_mmac_add(void *arg, mac_multi_addr_t *maddr)
3357 {
3358 	p_nxge_t nxgep = arg;
3359 	mac_addr_slot_t slot;
3360 	nxge_mmac_t *mmac_info;
3361 	int err;
3362 	nxge_status_t status;
3363 
3364 	mutex_enter(nxgep->genlock);
3365 
3366 	/*
3367 	 * Make sure that nxge is initialized, if _start() has
3368 	 * not been called.
3369 	 */
3370 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3371 		status = nxge_init(nxgep);
3372 		if (status != NXGE_OK) {
3373 			mutex_exit(nxgep->genlock);
3374 			return (ENXIO);
3375 		}
3376 	}
3377 
3378 	mmac_info = &nxgep->nxge_mmac_info;
3379 	if (mmac_info->naddrfree == 0) {
3380 		mutex_exit(nxgep->genlock);
3381 		return (ENOSPC);
3382 	}
3383 	if (!mac_unicst_verify(nxgep->mach, maddr->mma_addr,
3384 		maddr->mma_addrlen)) {
3385 		mutex_exit(nxgep->genlock);
3386 		return (EINVAL);
3387 	}
3388 	/*
3389 	 * 	Search for the first available slot. Because naddrfree
3390 	 * is not zero, we are guaranteed to find one.
3391 	 * 	Slot 0 is for unique (primary) MAC. The first alternate
3392 	 * MAC slot is slot 1.
3393 	 *	Each of the first two ports of Neptune has 16 alternate
3394 	 * MAC slots but only the first 7 (or 15) slots have assigned factory
3395 	 * MAC addresses. We first search among the slots without bundled
3396 	 * factory MACs. If we fail to find one in that range, then we
3397 	 * search the slots with bundled factory MACs.  A factory MAC
3398 	 * will be wasted while the slot is used with a user MAC address.
3399 	 * But the slot could be used by factory MAC again after calling
3400 	 * nxge_m_mmac_remove and nxge_m_mmac_reserve.
3401 	 */
3402 	if (mmac_info->num_factory_mmac < mmac_info->num_mmac) {
3403 		for (slot = mmac_info->num_factory_mmac + 1;
3404 			slot <= mmac_info->num_mmac; slot++) {
3405 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
3406 				break;
3407 		}
3408 		if (slot > mmac_info->num_mmac) {
3409 			for (slot = 1; slot <= mmac_info->num_factory_mmac;
3410 				slot++) {
3411 				if (!(mmac_info->mac_pool[slot].flags
3412 					& MMAC_SLOT_USED))
3413 					break;
3414 			}
3415 		}
3416 	} else {
3417 		for (slot = 1; slot <= mmac_info->num_mmac; slot++) {
3418 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
3419 				break;
3420 		}
3421 	}
3422 	ASSERT(slot <= mmac_info->num_mmac);
3423 	if ((err = nxge_altmac_set(nxgep, maddr->mma_addr, slot)) != 0) {
3424 		mutex_exit(nxgep->genlock);
3425 		return (err);
3426 	}
3427 	bcopy(maddr->mma_addr, mmac_info->mac_pool[slot].addr, ETHERADDRL);
3428 	mmac_info->mac_pool[slot].flags |= MMAC_SLOT_USED;
3429 	mmac_info->mac_pool[slot].flags &= ~MMAC_VENDOR_ADDR;
3430 	mmac_info->naddrfree--;
3431 	nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
3432 
3433 	maddr->mma_slot = slot;
3434 
3435 	mutex_exit(nxgep->genlock);
3436 	return (0);
3437 }
3438 
3439 /*
3440  * This function reserves an unused slot and programs the slot and the HW
3441  * with a factory mac address.
3442  */
3443 static int
3444 nxge_m_mmac_reserve(void *arg, mac_multi_addr_t *maddr)
3445 {
3446 	p_nxge_t nxgep = arg;
3447 	mac_addr_slot_t slot;
3448 	nxge_mmac_t *mmac_info;
3449 	int err;
3450 	nxge_status_t status;
3451 
3452 	mutex_enter(nxgep->genlock);
3453 
3454 	/*
3455 	 * Make sure that nxge is initialized, if _start() has
3456 	 * not been called.
3457 	 */
3458 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3459 		status = nxge_init(nxgep);
3460 		if (status != NXGE_OK) {
3461 			mutex_exit(nxgep->genlock);
3462 			return (ENXIO);
3463 		}
3464 	}
3465 
3466 	mmac_info = &nxgep->nxge_mmac_info;
3467 	if (mmac_info->naddrfree == 0) {
3468 		mutex_exit(nxgep->genlock);
3469 		return (ENOSPC);
3470 	}
3471 
3472 	slot = maddr->mma_slot;
3473 	if (slot == -1) {  /* -1: Take the first available slot */
3474 		for (slot = 1; slot <= mmac_info->num_factory_mmac; slot++) {
3475 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
3476 				break;
3477 		}
3478 		if (slot > mmac_info->num_factory_mmac) {
3479 			mutex_exit(nxgep->genlock);
3480 			return (ENOSPC);
3481 		}
3482 	}
3483 	if (slot < 1 || slot > mmac_info->num_factory_mmac) {
3484 		/*
3485 		 * Do not support factory MAC at a slot greater than
3486 		 * num_factory_mmac even when there are available factory
3487 		 * MAC addresses because the alternate MACs are bundled with
3488 		 * slot[1] through slot[num_factory_mmac]
3489 		 */
3490 		mutex_exit(nxgep->genlock);
3491 		return (EINVAL);
3492 	}
3493 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
3494 		mutex_exit(nxgep->genlock);
3495 		return (EBUSY);
3496 	}
3497 	/* Verify the address to be reserved */
3498 	if (!mac_unicst_verify(nxgep->mach,
3499 		mmac_info->factory_mac_pool[slot], ETHERADDRL)) {
3500 		mutex_exit(nxgep->genlock);
3501 		return (EINVAL);
3502 	}
3503 	if (err = nxge_altmac_set(nxgep,
3504 		mmac_info->factory_mac_pool[slot], slot)) {
3505 		mutex_exit(nxgep->genlock);
3506 		return (err);
3507 	}
3508 	bcopy(mmac_info->factory_mac_pool[slot], maddr->mma_addr, ETHERADDRL);
3509 	mmac_info->mac_pool[slot].flags |= MMAC_SLOT_USED | MMAC_VENDOR_ADDR;
3510 	mmac_info->naddrfree--;
3511 
3512 	nxge_mmac_kstat_update(nxgep, slot, B_TRUE);
3513 	mutex_exit(nxgep->genlock);
3514 
3515 	/* Pass info back to the caller */
3516 	maddr->mma_slot = slot;
3517 	maddr->mma_addrlen = ETHERADDRL;
3518 	maddr->mma_flags = MMAC_SLOT_USED | MMAC_VENDOR_ADDR;
3519 
3520 	return (0);
3521 }
3522 
3523 /*
3524  * Remove the specified mac address and update the HW not to filter
3525  * the mac address anymore.
3526  */
3527 static int
3528 nxge_m_mmac_remove(void *arg, mac_addr_slot_t slot)
3529 {
3530 	p_nxge_t nxgep = arg;
3531 	nxge_mmac_t *mmac_info;
3532 	uint8_t addrn;
3533 	uint8_t portn;
3534 	int err = 0;
3535 	nxge_status_t status;
3536 
3537 	mutex_enter(nxgep->genlock);
3538 
3539 	/*
3540 	 * Make sure that nxge is initialized, if _start() has
3541 	 * not been called.
3542 	 */
3543 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3544 		status = nxge_init(nxgep);
3545 		if (status != NXGE_OK) {
3546 			mutex_exit(nxgep->genlock);
3547 			return (ENXIO);
3548 		}
3549 	}
3550 
3551 	mmac_info = &nxgep->nxge_mmac_info;
3552 	if (slot < 1 || slot > mmac_info->num_mmac) {
3553 		mutex_exit(nxgep->genlock);
3554 		return (EINVAL);
3555 	}
3556 
3557 	portn = nxgep->mac.portnum;
3558 	if (portn == XMAC_PORT_0 || portn == XMAC_PORT_1)
3559 		addrn = (uint8_t)slot - 1;
3560 	else
3561 		addrn = (uint8_t)slot;
3562 
3563 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
3564 		if (npi_mac_altaddr_disable(nxgep->npi_handle, portn, addrn)
3565 				== NPI_SUCCESS) {
3566 			mmac_info->naddrfree++;
3567 			mmac_info->mac_pool[slot].flags &= ~MMAC_SLOT_USED;
3568 			/*
3569 			 * Regardless if the MAC we just stopped filtering
3570 			 * is a user addr or a facory addr, we must set
3571 			 * the MMAC_VENDOR_ADDR flag if this slot has an
3572 			 * associated factory MAC to indicate that a factory
3573 			 * MAC is available.
3574 			 */
3575 			if (slot <= mmac_info->num_factory_mmac) {
3576 				mmac_info->mac_pool[slot].flags
3577 					|= MMAC_VENDOR_ADDR;
3578 			}
3579 			/*
3580 			 * Clear mac_pool[slot].addr so that kstat shows 0
3581 			 * alternate MAC address if the slot is not used.
3582 			 * (But nxge_m_mmac_get returns the factory MAC even
3583 			 * when the slot is not used!)
3584 			 */
3585 			bzero(mmac_info->mac_pool[slot].addr, ETHERADDRL);
3586 			nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
3587 		} else {
3588 			err = EIO;
3589 		}
3590 	} else {
3591 		err = EINVAL;
3592 	}
3593 
3594 	mutex_exit(nxgep->genlock);
3595 	return (err);
3596 }
3597 
3598 
3599 /*
3600  * Modify a mac address added by nxge_m_mmac_add or nxge_m_mmac_reserve().
3601  */
3602 static int
3603 nxge_m_mmac_modify(void *arg, mac_multi_addr_t *maddr)
3604 {
3605 	p_nxge_t nxgep = arg;
3606 	mac_addr_slot_t slot;
3607 	nxge_mmac_t *mmac_info;
3608 	int err = 0;
3609 	nxge_status_t status;
3610 
3611 	if (!mac_unicst_verify(nxgep->mach, maddr->mma_addr,
3612 			maddr->mma_addrlen))
3613 		return (EINVAL);
3614 
3615 	slot = maddr->mma_slot;
3616 
3617 	mutex_enter(nxgep->genlock);
3618 
3619 	/*
3620 	 * Make sure that nxge is initialized, if _start() has
3621 	 * not been called.
3622 	 */
3623 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3624 		status = nxge_init(nxgep);
3625 		if (status != NXGE_OK) {
3626 			mutex_exit(nxgep->genlock);
3627 			return (ENXIO);
3628 		}
3629 	}
3630 
3631 	mmac_info = &nxgep->nxge_mmac_info;
3632 	if (slot < 1 || slot > mmac_info->num_mmac) {
3633 		mutex_exit(nxgep->genlock);
3634 		return (EINVAL);
3635 	}
3636 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
3637 		if ((err = nxge_altmac_set(nxgep, maddr->mma_addr, slot))
3638 			!= 0) {
3639 			bcopy(maddr->mma_addr, mmac_info->mac_pool[slot].addr,
3640 				ETHERADDRL);
3641 			/*
3642 			 * Assume that the MAC passed down from the caller
3643 			 * is not a factory MAC address (The user should
3644 			 * call mmac_remove followed by mmac_reserve if
3645 			 * he wants to use the factory MAC for this slot).
3646 			 */
3647 			mmac_info->mac_pool[slot].flags &= ~MMAC_VENDOR_ADDR;
3648 			nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
3649 		}
3650 	} else {
3651 		err = EINVAL;
3652 	}
3653 	mutex_exit(nxgep->genlock);
3654 	return (err);
3655 }
3656 
3657 /*
3658  * nxge_m_mmac_get() - Get the MAC address and other information
3659  * related to the slot.  mma_flags should be set to 0 in the call.
3660  * Note: although kstat shows MAC address as zero when a slot is
3661  * not used, Crossbow expects nxge_m_mmac_get to copy factory MAC
3662  * to the caller as long as the slot is not using a user MAC address.
3663  * The following table shows the rules,
3664  *
3665  *				   USED    VENDOR    mma_addr
3666  * ------------------------------------------------------------
3667  * (1) Slot uses a user MAC:        yes      no     user MAC
3668  * (2) Slot uses a factory MAC:     yes      yes    factory MAC
3669  * (3) Slot is not used but is
3670  *     factory MAC capable:         no       yes    factory MAC
3671  * (4) Slot is not used and is
3672  *     not factory MAC capable:     no       no        0
3673  * ------------------------------------------------------------
3674  */
3675 static int
3676 nxge_m_mmac_get(void *arg, mac_multi_addr_t *maddr)
3677 {
3678 	nxge_t *nxgep = arg;
3679 	mac_addr_slot_t slot;
3680 	nxge_mmac_t *mmac_info;
3681 	nxge_status_t status;
3682 
3683 	slot = maddr->mma_slot;
3684 
3685 	mutex_enter(nxgep->genlock);
3686 
3687 	/*
3688 	 * Make sure that nxge is initialized, if _start() has
3689 	 * not been called.
3690 	 */
3691 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3692 		status = nxge_init(nxgep);
3693 		if (status != NXGE_OK) {
3694 			mutex_exit(nxgep->genlock);
3695 			return (ENXIO);
3696 		}
3697 	}
3698 
3699 	mmac_info = &nxgep->nxge_mmac_info;
3700 
3701 	if (slot < 1 || slot > mmac_info->num_mmac) {
3702 		mutex_exit(nxgep->genlock);
3703 		return (EINVAL);
3704 	}
3705 	maddr->mma_flags = 0;
3706 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED)
3707 		maddr->mma_flags |= MMAC_SLOT_USED;
3708 
3709 	if (mmac_info->mac_pool[slot].flags & MMAC_VENDOR_ADDR) {
3710 		maddr->mma_flags |= MMAC_VENDOR_ADDR;
3711 		bcopy(mmac_info->factory_mac_pool[slot],
3712 			maddr->mma_addr, ETHERADDRL);
3713 		maddr->mma_addrlen = ETHERADDRL;
3714 	} else {
3715 		if (maddr->mma_flags & MMAC_SLOT_USED) {
3716 			bcopy(mmac_info->mac_pool[slot].addr,
3717 				maddr->mma_addr, ETHERADDRL);
3718 			maddr->mma_addrlen = ETHERADDRL;
3719 		} else {
3720 			bzero(maddr->mma_addr, ETHERADDRL);
3721 			maddr->mma_addrlen = 0;
3722 		}
3723 	}
3724 	mutex_exit(nxgep->genlock);
3725 	return (0);
3726 }
3727 
3728 
3729 static boolean_t
3730 nxge_m_getcapab(void *arg, mac_capab_t cap, void *cap_data)
3731 {
3732 	nxge_t *nxgep = arg;
3733 	uint32_t *txflags = cap_data;
3734 	multiaddress_capab_t *mmacp = cap_data;
3735 
3736 	switch (cap) {
3737 	case MAC_CAPAB_HCKSUM:
3738 		*txflags = HCKSUM_INET_PARTIAL;
3739 		break;
3740 	case MAC_CAPAB_POLL:
3741 		/*
3742 		 * There's nothing for us to fill in, simply returning
3743 		 * B_TRUE stating that we support polling is sufficient.
3744 		 */
3745 		break;
3746 
3747 	case MAC_CAPAB_MULTIADDRESS:
3748 		mutex_enter(nxgep->genlock);
3749 
3750 		mmacp->maddr_naddr = nxgep->nxge_mmac_info.num_mmac;
3751 		mmacp->maddr_naddrfree = nxgep->nxge_mmac_info.naddrfree;
3752 		mmacp->maddr_flag = 0; /* 0 is requried by PSARC2006/265 */
3753 		/*
3754 		 * maddr_handle is driver's private data, passed back to
3755 		 * entry point functions as arg.
3756 		 */
3757 		mmacp->maddr_handle	= nxgep;
3758 		mmacp->maddr_add	= nxge_m_mmac_add;
3759 		mmacp->maddr_remove	= nxge_m_mmac_remove;
3760 		mmacp->maddr_modify	= nxge_m_mmac_modify;
3761 		mmacp->maddr_get	= nxge_m_mmac_get;
3762 		mmacp->maddr_reserve	= nxge_m_mmac_reserve;
3763 
3764 		mutex_exit(nxgep->genlock);
3765 		break;
3766 	default:
3767 		return (B_FALSE);
3768 	}
3769 	return (B_TRUE);
3770 }
3771 
3772 /*
3773  * Module loading and removing entry points.
3774  */
3775 
3776 static	struct cb_ops 	nxge_cb_ops = {
3777 	nodev,			/* cb_open */
3778 	nodev,			/* cb_close */
3779 	nodev,			/* cb_strategy */
3780 	nodev,			/* cb_print */
3781 	nodev,			/* cb_dump */
3782 	nodev,			/* cb_read */
3783 	nodev,			/* cb_write */
3784 	nodev,			/* cb_ioctl */
3785 	nodev,			/* cb_devmap */
3786 	nodev,			/* cb_mmap */
3787 	nodev,			/* cb_segmap */
3788 	nochpoll,		/* cb_chpoll */
3789 	ddi_prop_op,		/* cb_prop_op */
3790 	NULL,
3791 	D_MP, 			/* cb_flag */
3792 	CB_REV,			/* rev */
3793 	nodev,			/* int (*cb_aread)() */
3794 	nodev			/* int (*cb_awrite)() */
3795 };
3796 
3797 static struct dev_ops nxge_dev_ops = {
3798 	DEVO_REV,		/* devo_rev */
3799 	0,			/* devo_refcnt */
3800 	nulldev,
3801 	nulldev,		/* devo_identify */
3802 	nulldev,		/* devo_probe */
3803 	nxge_attach,		/* devo_attach */
3804 	nxge_detach,		/* devo_detach */
3805 	nodev,			/* devo_reset */
3806 	&nxge_cb_ops,		/* devo_cb_ops */
3807 	(struct bus_ops *)NULL, /* devo_bus_ops	*/
3808 	ddi_power		/* devo_power */
3809 };
3810 
3811 extern	struct	mod_ops	mod_driverops;
3812 
3813 #define	NXGE_DESC_VER		"Sun NIU 10Gb Ethernet"
3814 
3815 /*
3816  * Module linkage information for the kernel.
3817  */
3818 static struct modldrv 	nxge_modldrv = {
3819 	&mod_driverops,
3820 	NXGE_DESC_VER,
3821 	&nxge_dev_ops
3822 };
3823 
3824 static struct modlinkage modlinkage = {
3825 	MODREV_1, (void *) &nxge_modldrv, NULL
3826 };
3827 
3828 int
3829 _init(void)
3830 {
3831 	int		status;
3832 
3833 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _init"));
3834 	mac_init_ops(&nxge_dev_ops, "nxge");
3835 	status = ddi_soft_state_init(&nxge_list, sizeof (nxge_t), 0);
3836 	if (status != 0) {
3837 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL,
3838 			"failed to init device soft state"));
3839 		goto _init_exit;
3840 	}
3841 
3842 	status = mod_install(&modlinkage);
3843 	if (status != 0) {
3844 		ddi_soft_state_fini(&nxge_list);
3845 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL, "Mod install failed"));
3846 		goto _init_exit;
3847 	}
3848 
3849 	MUTEX_INIT(&nxge_common_lock, NULL, MUTEX_DRIVER, NULL);
3850 
3851 _init_exit:
3852 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "_init status = 0x%X", status));
3853 
3854 	return (status);
3855 }
3856 
3857 int
3858 _fini(void)
3859 {
3860 	int		status;
3861 
3862 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _fini"));
3863 
3864 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _fini: mod_remove"));
3865 
3866 	if (nxge_mblks_pending)
3867 		return (EBUSY);
3868 
3869 	status = mod_remove(&modlinkage);
3870 	if (status != DDI_SUCCESS) {
3871 		NXGE_DEBUG_MSG((NULL, MOD_CTL,
3872 			    "Module removal failed 0x%08x",
3873 			    status));
3874 		goto _fini_exit;
3875 	}
3876 
3877 	mac_fini_ops(&nxge_dev_ops);
3878 
3879 	ddi_soft_state_fini(&nxge_list);
3880 
3881 	MUTEX_DESTROY(&nxge_common_lock);
3882 _fini_exit:
3883 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "_fini status = 0x%08x", status));
3884 
3885 	return (status);
3886 }
3887 
3888 int
3889 _info(struct modinfo *modinfop)
3890 {
3891 	int		status;
3892 
3893 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _info"));
3894 	status = mod_info(&modlinkage, modinfop);
3895 	NXGE_DEBUG_MSG((NULL, MOD_CTL, " _info status = 0x%X", status));
3896 
3897 	return (status);
3898 }
3899 
3900 /*ARGSUSED*/
3901 static nxge_status_t
3902 nxge_add_intrs(p_nxge_t nxgep)
3903 {
3904 
3905 	int		intr_types;
3906 	int		type = 0;
3907 	int		ddi_status = DDI_SUCCESS;
3908 	nxge_status_t	status = NXGE_OK;
3909 
3910 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs"));
3911 
3912 	nxgep->nxge_intr_type.intr_registered = B_FALSE;
3913 	nxgep->nxge_intr_type.intr_enabled = B_FALSE;
3914 	nxgep->nxge_intr_type.msi_intx_cnt = 0;
3915 	nxgep->nxge_intr_type.intr_added = 0;
3916 	nxgep->nxge_intr_type.niu_msi_enable = B_FALSE;
3917 	nxgep->nxge_intr_type.intr_type = 0;
3918 
3919 	if (nxgep->niu_type == N2_NIU) {
3920 		nxgep->nxge_intr_type.niu_msi_enable = B_TRUE;
3921 	} else if (nxge_msi_enable) {
3922 		nxgep->nxge_intr_type.niu_msi_enable = B_TRUE;
3923 	}
3924 
3925 	/* Get the supported interrupt types */
3926 	if ((ddi_status = ddi_intr_get_supported_types(nxgep->dip, &intr_types))
3927 			!= DDI_SUCCESS) {
3928 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_add_intrs: "
3929 			"ddi_intr_get_supported_types failed: status 0x%08x",
3930 			ddi_status));
3931 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3932 	}
3933 	nxgep->nxge_intr_type.intr_types = intr_types;
3934 
3935 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
3936 		"ddi_intr_get_supported_types: 0x%08x", intr_types));
3937 
3938 	/*
3939 	 * Solaris MSIX is not supported yet. use MSI for now.
3940 	 * nxge_msi_enable (1):
3941 	 *	1 - MSI		2 - MSI-X	others - FIXED
3942 	 */
3943 	switch (nxge_msi_enable) {
3944 	default:
3945 		type = DDI_INTR_TYPE_FIXED;
3946 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
3947 			"use fixed (intx emulation) type %08x",
3948 			type));
3949 		break;
3950 
3951 	case 2:
3952 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
3953 			"ddi_intr_get_supported_types: 0x%08x", intr_types));
3954 		if (intr_types & DDI_INTR_TYPE_MSIX) {
3955 			type = DDI_INTR_TYPE_MSIX;
3956 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
3957 				"ddi_intr_get_supported_types: MSIX 0x%08x",
3958 				type));
3959 		} else if (intr_types & DDI_INTR_TYPE_MSI) {
3960 			type = DDI_INTR_TYPE_MSI;
3961 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
3962 				"ddi_intr_get_supported_types: MSI 0x%08x",
3963 				type));
3964 		} else if (intr_types & DDI_INTR_TYPE_FIXED) {
3965 			type = DDI_INTR_TYPE_FIXED;
3966 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
3967 				"ddi_intr_get_supported_types: MSXED0x%08x",
3968 				type));
3969 		}
3970 		break;
3971 
3972 	case 1:
3973 		if (intr_types & DDI_INTR_TYPE_MSI) {
3974 			type = DDI_INTR_TYPE_MSI;
3975 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
3976 				"ddi_intr_get_supported_types: MSI 0x%08x",
3977 				type));
3978 		} else if (intr_types & DDI_INTR_TYPE_MSIX) {
3979 			type = DDI_INTR_TYPE_MSIX;
3980 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
3981 				"ddi_intr_get_supported_types: MSIX 0x%08x",
3982 				type));
3983 		} else if (intr_types & DDI_INTR_TYPE_FIXED) {
3984 			type = DDI_INTR_TYPE_FIXED;
3985 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
3986 				"ddi_intr_get_supported_types: MSXED0x%08x",
3987 				type));
3988 		}
3989 	}
3990 
3991 	nxgep->nxge_intr_type.intr_type = type;
3992 	if ((type == DDI_INTR_TYPE_MSIX || type == DDI_INTR_TYPE_MSI ||
3993 		type == DDI_INTR_TYPE_FIXED) &&
3994 			nxgep->nxge_intr_type.niu_msi_enable) {
3995 		if ((status = nxge_add_intrs_adv(nxgep)) != DDI_SUCCESS) {
3996 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3997 				    " nxge_add_intrs: "
3998 				    " nxge_add_intrs_adv failed: status 0x%08x",
3999 				    status));
4000 			return (status);
4001 		} else {
4002 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
4003 			"interrupts registered : type %d", type));
4004 			nxgep->nxge_intr_type.intr_registered = B_TRUE;
4005 
4006 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
4007 				"\nAdded advanced nxge add_intr_adv "
4008 					"intr type 0x%x\n", type));
4009 
4010 			return (status);
4011 		}
4012 	}
4013 
4014 	if (!nxgep->nxge_intr_type.intr_registered) {
4015 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "==> nxge_add_intrs: "
4016 			"failed to register interrupts"));
4017 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4018 	}
4019 
4020 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_add_intrs"));
4021 	return (status);
4022 }
4023 
4024 /*ARGSUSED*/
4025 static nxge_status_t
4026 nxge_add_soft_intrs(p_nxge_t nxgep)
4027 {
4028 
4029 	int		ddi_status = DDI_SUCCESS;
4030 	nxge_status_t	status = NXGE_OK;
4031 
4032 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_soft_intrs"));
4033 
4034 	nxgep->resched_id = NULL;
4035 	nxgep->resched_running = B_FALSE;
4036 	ddi_status = ddi_add_softintr(nxgep->dip, DDI_SOFTINT_LOW,
4037 			&nxgep->resched_id,
4038 		NULL, NULL, nxge_reschedule, (caddr_t)nxgep);
4039 	if (ddi_status != DDI_SUCCESS) {
4040 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_add_soft_intrs: "
4041 			"ddi_add_softintrs failed: status 0x%08x",
4042 			ddi_status));
4043 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4044 	}
4045 
4046 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_ddi_add_soft_intrs"));
4047 
4048 	return (status);
4049 }
4050 
4051 static nxge_status_t
4052 nxge_add_intrs_adv(p_nxge_t nxgep)
4053 {
4054 	int		intr_type;
4055 	p_nxge_intr_t	intrp;
4056 
4057 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs_adv"));
4058 
4059 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
4060 	intr_type = intrp->intr_type;
4061 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs_adv: type 0x%x",
4062 		intr_type));
4063 
4064 	switch (intr_type) {
4065 	case DDI_INTR_TYPE_MSI: /* 0x2 */
4066 	case DDI_INTR_TYPE_MSIX: /* 0x4 */
4067 		return (nxge_add_intrs_adv_type(nxgep, intr_type));
4068 
4069 	case DDI_INTR_TYPE_FIXED: /* 0x1 */
4070 		return (nxge_add_intrs_adv_type_fix(nxgep, intr_type));
4071 
4072 	default:
4073 		return (NXGE_ERROR);
4074 	}
4075 }
4076 
4077 
4078 /*ARGSUSED*/
4079 static nxge_status_t
4080 nxge_add_intrs_adv_type(p_nxge_t nxgep, uint32_t int_type)
4081 {
4082 	dev_info_t		*dip = nxgep->dip;
4083 	p_nxge_ldg_t		ldgp;
4084 	p_nxge_intr_t		intrp;
4085 	uint_t			*inthandler;
4086 	void			*arg1, *arg2;
4087 	int			behavior;
4088 	int			nintrs, navail;
4089 	int			nactual, nrequired;
4090 	int			inum = 0;
4091 	int			x, y;
4092 	int			ddi_status = DDI_SUCCESS;
4093 	nxge_status_t		status = NXGE_OK;
4094 
4095 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs_adv_type"));
4096 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
4097 	intrp->start_inum = 0;
4098 
4099 	ddi_status = ddi_intr_get_nintrs(dip, int_type, &nintrs);
4100 	if ((ddi_status != DDI_SUCCESS) || (nintrs == 0)) {
4101 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4102 			"ddi_intr_get_nintrs() failed, status: 0x%x%, "
4103 			    "nintrs: %d", ddi_status, nintrs));
4104 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4105 	}
4106 
4107 	ddi_status = ddi_intr_get_navail(dip, int_type, &navail);
4108 	if ((ddi_status != DDI_SUCCESS) || (navail == 0)) {
4109 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4110 			"ddi_intr_get_navail() failed, status: 0x%x%, "
4111 			    "nintrs: %d", ddi_status, navail));
4112 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4113 	}
4114 
4115 	NXGE_DEBUG_MSG((nxgep, INT_CTL,
4116 		"ddi_intr_get_navail() returned: nintrs %d, navail %d",
4117 		    nintrs, navail));
4118 
4119 	if (int_type == DDI_INTR_TYPE_MSI && !ISP2(navail)) {
4120 		/* MSI must be power of 2 */
4121 		if ((navail & 16) == 16) {
4122 			navail = 16;
4123 		} else if ((navail & 8) == 8) {
4124 			navail = 8;
4125 		} else if ((navail & 4) == 4) {
4126 			navail = 4;
4127 		} else if ((navail & 2) == 2) {
4128 			navail = 2;
4129 		} else {
4130 			navail = 1;
4131 		}
4132 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
4133 			"ddi_intr_get_navail(): (msi power of 2) nintrs %d, "
4134 			"navail %d", nintrs, navail));
4135 	}
4136 
4137 	behavior = ((int_type == DDI_INTR_TYPE_FIXED) ? DDI_INTR_ALLOC_STRICT :
4138 			DDI_INTR_ALLOC_NORMAL);
4139 	intrp->intr_size = navail * sizeof (ddi_intr_handle_t);
4140 	intrp->htable = kmem_alloc(intrp->intr_size, KM_SLEEP);
4141 	ddi_status = ddi_intr_alloc(dip, intrp->htable, int_type, inum,
4142 		    navail, &nactual, behavior);
4143 	if (ddi_status != DDI_SUCCESS || nactual == 0) {
4144 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4145 				    " ddi_intr_alloc() failed: %d",
4146 				    ddi_status));
4147 		kmem_free(intrp->htable, intrp->intr_size);
4148 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4149 	}
4150 
4151 	if ((ddi_status = ddi_intr_get_pri(intrp->htable[0],
4152 			(uint_t *)&intrp->pri)) != DDI_SUCCESS) {
4153 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4154 				    " ddi_intr_get_pri() failed: %d",
4155 				    ddi_status));
4156 		/* Free already allocated interrupts */
4157 		for (y = 0; y < nactual; y++) {
4158 			(void) ddi_intr_free(intrp->htable[y]);
4159 		}
4160 
4161 		kmem_free(intrp->htable, intrp->intr_size);
4162 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4163 	}
4164 
4165 	nrequired = 0;
4166 	switch (nxgep->niu_type) {
4167 	default:
4168 		status = nxge_ldgv_init(nxgep, &nactual, &nrequired);
4169 		break;
4170 
4171 	case N2_NIU:
4172 		status = nxge_ldgv_init_n2(nxgep, &nactual, &nrequired);
4173 		break;
4174 	}
4175 
4176 	if (status != NXGE_OK) {
4177 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4178 			"nxge_add_intrs_adv_typ:nxge_ldgv_init "
4179 			"failed: 0x%x", status));
4180 		/* Free already allocated interrupts */
4181 		for (y = 0; y < nactual; y++) {
4182 			(void) ddi_intr_free(intrp->htable[y]);
4183 		}
4184 
4185 		kmem_free(intrp->htable, intrp->intr_size);
4186 		return (status);
4187 	}
4188 
4189 	ldgp = nxgep->ldgvp->ldgp;
4190 	for (x = 0; x < nrequired; x++, ldgp++) {
4191 		ldgp->vector = (uint8_t)x;
4192 		ldgp->intdata = SID_DATA(ldgp->func, x);
4193 		arg1 = ldgp->ldvp;
4194 		arg2 = nxgep;
4195 		if (ldgp->nldvs == 1) {
4196 			inthandler = (uint_t *)ldgp->ldvp->ldv_intr_handler;
4197 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
4198 				"nxge_add_intrs_adv_type: "
4199 				"arg1 0x%x arg2 0x%x: "
4200 				"1-1 int handler (entry %d intdata 0x%x)\n",
4201 				arg1, arg2,
4202 				x, ldgp->intdata));
4203 		} else if (ldgp->nldvs > 1) {
4204 			inthandler = (uint_t *)ldgp->sys_intr_handler;
4205 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
4206 				"nxge_add_intrs_adv_type: "
4207 				"arg1 0x%x arg2 0x%x: "
4208 				"nldevs %d int handler "
4209 				"(entry %d intdata 0x%x)\n",
4210 				arg1, arg2,
4211 				ldgp->nldvs, x, ldgp->intdata));
4212 		}
4213 
4214 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
4215 			"==> nxge_add_intrs_adv_type: ddi_add_intr(inum) #%d "
4216 			"htable 0x%llx", x, intrp->htable[x]));
4217 
4218 		if ((ddi_status = ddi_intr_add_handler(intrp->htable[x],
4219 			(ddi_intr_handler_t *)inthandler, arg1, arg2))
4220 				!= DDI_SUCCESS) {
4221 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4222 				"==> nxge_add_intrs_adv_type: failed #%d "
4223 				"status 0x%x", x, ddi_status));
4224 			for (y = 0; y < intrp->intr_added; y++) {
4225 				(void) ddi_intr_remove_handler(
4226 						intrp->htable[y]);
4227 			}
4228 			/* Free already allocated intr */
4229 			for (y = 0; y < nactual; y++) {
4230 				(void) ddi_intr_free(intrp->htable[y]);
4231 			}
4232 			kmem_free(intrp->htable, intrp->intr_size);
4233 
4234 			(void) nxge_ldgv_uninit(nxgep);
4235 
4236 			return (NXGE_ERROR | NXGE_DDI_FAILED);
4237 		}
4238 		intrp->intr_added++;
4239 	}
4240 
4241 	intrp->msi_intx_cnt = nactual;
4242 
4243 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
4244 		"Requested: %d, Allowed: %d msi_intx_cnt %d intr_added %d",
4245 		navail, nactual,
4246 		intrp->msi_intx_cnt,
4247 		intrp->intr_added));
4248 
4249 	(void) ddi_intr_get_cap(intrp->htable[0], &intrp->intr_cap);
4250 
4251 	(void) nxge_intr_ldgv_init(nxgep);
4252 
4253 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_add_intrs_adv_type"));
4254 
4255 	return (status);
4256 }
4257 
4258 /*ARGSUSED*/
4259 static nxge_status_t
4260 nxge_add_intrs_adv_type_fix(p_nxge_t nxgep, uint32_t int_type)
4261 {
4262 	dev_info_t		*dip = nxgep->dip;
4263 	p_nxge_ldg_t		ldgp;
4264 	p_nxge_intr_t		intrp;
4265 	uint_t			*inthandler;
4266 	void			*arg1, *arg2;
4267 	int			behavior;
4268 	int			nintrs, navail;
4269 	int			nactual, nrequired;
4270 	int			inum = 0;
4271 	int			x, y;
4272 	int			ddi_status = DDI_SUCCESS;
4273 	nxge_status_t		status = NXGE_OK;
4274 
4275 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs_adv_type_fix"));
4276 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
4277 	intrp->start_inum = 0;
4278 
4279 	ddi_status = ddi_intr_get_nintrs(dip, int_type, &nintrs);
4280 	if ((ddi_status != DDI_SUCCESS) || (nintrs == 0)) {
4281 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
4282 			"ddi_intr_get_nintrs() failed, status: 0x%x%, "
4283 			    "nintrs: %d", status, nintrs));
4284 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4285 	}
4286 
4287 	ddi_status = ddi_intr_get_navail(dip, int_type, &navail);
4288 	if ((ddi_status != DDI_SUCCESS) || (navail == 0)) {
4289 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4290 			"ddi_intr_get_navail() failed, status: 0x%x%, "
4291 			    "nintrs: %d", ddi_status, navail));
4292 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4293 	}
4294 
4295 	NXGE_DEBUG_MSG((nxgep, INT_CTL,
4296 		"ddi_intr_get_navail() returned: nintrs %d, naavail %d",
4297 		    nintrs, navail));
4298 
4299 	behavior = ((int_type == DDI_INTR_TYPE_FIXED) ? DDI_INTR_ALLOC_STRICT :
4300 			DDI_INTR_ALLOC_NORMAL);
4301 	intrp->intr_size = navail * sizeof (ddi_intr_handle_t);
4302 	intrp->htable = kmem_alloc(intrp->intr_size, KM_SLEEP);
4303 	ddi_status = ddi_intr_alloc(dip, intrp->htable, int_type, inum,
4304 		    navail, &nactual, behavior);
4305 	if (ddi_status != DDI_SUCCESS || nactual == 0) {
4306 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4307 			    " ddi_intr_alloc() failed: %d",
4308 			    ddi_status));
4309 		kmem_free(intrp->htable, intrp->intr_size);
4310 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4311 	}
4312 
4313 	if ((ddi_status = ddi_intr_get_pri(intrp->htable[0],
4314 			(uint_t *)&intrp->pri)) != DDI_SUCCESS) {
4315 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4316 				    " ddi_intr_get_pri() failed: %d",
4317 				    ddi_status));
4318 		/* Free already allocated interrupts */
4319 		for (y = 0; y < nactual; y++) {
4320 			(void) ddi_intr_free(intrp->htable[y]);
4321 		}
4322 
4323 		kmem_free(intrp->htable, intrp->intr_size);
4324 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4325 	}
4326 
4327 	nrequired = 0;
4328 	switch (nxgep->niu_type) {
4329 	default:
4330 		status = nxge_ldgv_init(nxgep, &nactual, &nrequired);
4331 		break;
4332 
4333 	case N2_NIU:
4334 		status = nxge_ldgv_init_n2(nxgep, &nactual, &nrequired);
4335 		break;
4336 	}
4337 
4338 	if (status != NXGE_OK) {
4339 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4340 			"nxge_add_intrs_adv_type_fix:nxge_ldgv_init "
4341 			"failed: 0x%x", status));
4342 		/* Free already allocated interrupts */
4343 		for (y = 0; y < nactual; y++) {
4344 			(void) ddi_intr_free(intrp->htable[y]);
4345 		}
4346 
4347 		kmem_free(intrp->htable, intrp->intr_size);
4348 		return (status);
4349 	}
4350 
4351 	ldgp = nxgep->ldgvp->ldgp;
4352 	for (x = 0; x < nrequired; x++, ldgp++) {
4353 		ldgp->vector = (uint8_t)x;
4354 		if (nxgep->niu_type != N2_NIU) {
4355 			ldgp->intdata = SID_DATA(ldgp->func, x);
4356 		}
4357 
4358 		arg1 = ldgp->ldvp;
4359 		arg2 = nxgep;
4360 		if (ldgp->nldvs == 1) {
4361 			inthandler = (uint_t *)ldgp->ldvp->ldv_intr_handler;
4362 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
4363 				"nxge_add_intrs_adv_type_fix: "
4364 				"1-1 int handler(%d) ldg %d ldv %d "
4365 				"arg1 $%p arg2 $%p\n",
4366 				x, ldgp->ldg, ldgp->ldvp->ldv,
4367 				arg1, arg2));
4368 		} else if (ldgp->nldvs > 1) {
4369 			inthandler = (uint_t *)ldgp->sys_intr_handler;
4370 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
4371 				"nxge_add_intrs_adv_type_fix: "
4372 				"shared ldv %d int handler(%d) ldv %d ldg %d"
4373 				"arg1 0x%016llx arg2 0x%016llx\n",
4374 				x, ldgp->nldvs, ldgp->ldg, ldgp->ldvp->ldv,
4375 				arg1, arg2));
4376 		}
4377 
4378 		if ((ddi_status = ddi_intr_add_handler(intrp->htable[x],
4379 			(ddi_intr_handler_t *)inthandler, arg1, arg2))
4380 				!= DDI_SUCCESS) {
4381 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4382 				"==> nxge_add_intrs_adv_type_fix: failed #%d "
4383 				"status 0x%x", x, ddi_status));
4384 			for (y = 0; y < intrp->intr_added; y++) {
4385 				(void) ddi_intr_remove_handler(
4386 						intrp->htable[y]);
4387 			}
4388 			for (y = 0; y < nactual; y++) {
4389 				(void) ddi_intr_free(intrp->htable[y]);
4390 			}
4391 			/* Free already allocated intr */
4392 			kmem_free(intrp->htable, intrp->intr_size);
4393 
4394 			(void) nxge_ldgv_uninit(nxgep);
4395 
4396 			return (NXGE_ERROR | NXGE_DDI_FAILED);
4397 		}
4398 		intrp->intr_added++;
4399 	}
4400 
4401 	intrp->msi_intx_cnt = nactual;
4402 
4403 	(void) ddi_intr_get_cap(intrp->htable[0], &intrp->intr_cap);
4404 
4405 	status = nxge_intr_ldgv_init(nxgep);
4406 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_add_intrs_adv_type_fix"));
4407 
4408 	return (status);
4409 }
4410 
4411 static void
4412 nxge_remove_intrs(p_nxge_t nxgep)
4413 {
4414 	int		i, inum;
4415 	p_nxge_intr_t	intrp;
4416 
4417 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_intrs"));
4418 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
4419 	if (!intrp->intr_registered) {
4420 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
4421 			"<== nxge_remove_intrs: interrupts not registered"));
4422 		return;
4423 	}
4424 
4425 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_intrs:advanced"));
4426 
4427 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
4428 		(void) ddi_intr_block_disable(intrp->htable,
4429 			intrp->intr_added);
4430 	} else {
4431 		for (i = 0; i < intrp->intr_added; i++) {
4432 			(void) ddi_intr_disable(intrp->htable[i]);
4433 		}
4434 	}
4435 
4436 	for (inum = 0; inum < intrp->intr_added; inum++) {
4437 		if (intrp->htable[inum]) {
4438 			(void) ddi_intr_remove_handler(intrp->htable[inum]);
4439 		}
4440 	}
4441 
4442 	for (inum = 0; inum < intrp->msi_intx_cnt; inum++) {
4443 		if (intrp->htable[inum]) {
4444 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
4445 				"nxge_remove_intrs: ddi_intr_free inum %d "
4446 				"msi_intx_cnt %d intr_added %d",
4447 				inum,
4448 				intrp->msi_intx_cnt,
4449 				intrp->intr_added));
4450 
4451 			(void) ddi_intr_free(intrp->htable[inum]);
4452 		}
4453 	}
4454 
4455 	kmem_free(intrp->htable, intrp->intr_size);
4456 	intrp->intr_registered = B_FALSE;
4457 	intrp->intr_enabled = B_FALSE;
4458 	intrp->msi_intx_cnt = 0;
4459 	intrp->intr_added = 0;
4460 
4461 	(void) nxge_ldgv_uninit(nxgep);
4462 
4463 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_remove_intrs"));
4464 }
4465 
4466 /*ARGSUSED*/
4467 static void
4468 nxge_remove_soft_intrs(p_nxge_t nxgep)
4469 {
4470 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_soft_intrs"));
4471 	if (nxgep->resched_id) {
4472 		ddi_remove_softintr(nxgep->resched_id);
4473 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
4474 			"==> nxge_remove_soft_intrs: removed"));
4475 		nxgep->resched_id = NULL;
4476 	}
4477 
4478 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_remove_soft_intrs"));
4479 }
4480 
4481 /*ARGSUSED*/
4482 static void
4483 nxge_intrs_enable(p_nxge_t nxgep)
4484 {
4485 	p_nxge_intr_t	intrp;
4486 	int		i;
4487 	int		status;
4488 
4489 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable"));
4490 
4491 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
4492 
4493 	if (!intrp->intr_registered) {
4494 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_intrs_enable: "
4495 			"interrupts are not registered"));
4496 		return;
4497 	}
4498 
4499 	if (intrp->intr_enabled) {
4500 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
4501 			"<== nxge_intrs_enable: already enabled"));
4502 		return;
4503 	}
4504 
4505 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
4506 		status = ddi_intr_block_enable(intrp->htable,
4507 			intrp->intr_added);
4508 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable "
4509 			"block enable - status 0x%x total inums #%d\n",
4510 			status, intrp->intr_added));
4511 	} else {
4512 		for (i = 0; i < intrp->intr_added; i++) {
4513 			status = ddi_intr_enable(intrp->htable[i]);
4514 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable "
4515 				"ddi_intr_enable:enable - status 0x%x "
4516 				"total inums %d enable inum #%d\n",
4517 				status, intrp->intr_added, i));
4518 			if (status == DDI_SUCCESS) {
4519 				intrp->intr_enabled = B_TRUE;
4520 			}
4521 		}
4522 	}
4523 
4524 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_enable"));
4525 }
4526 
4527 /*ARGSUSED*/
4528 static void
4529 nxge_intrs_disable(p_nxge_t nxgep)
4530 {
4531 	p_nxge_intr_t	intrp;
4532 	int		i;
4533 
4534 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_disable"));
4535 
4536 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
4537 
4538 	if (!intrp->intr_registered) {
4539 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_disable: "
4540 			"interrupts are not registered"));
4541 		return;
4542 	}
4543 
4544 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
4545 		(void) ddi_intr_block_disable(intrp->htable,
4546 			intrp->intr_added);
4547 	} else {
4548 		for (i = 0; i < intrp->intr_added; i++) {
4549 			(void) ddi_intr_disable(intrp->htable[i]);
4550 		}
4551 	}
4552 
4553 	intrp->intr_enabled = B_FALSE;
4554 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_disable"));
4555 }
4556 
4557 static nxge_status_t
4558 nxge_mac_register(p_nxge_t nxgep)
4559 {
4560 	mac_register_t *macp;
4561 	int		status;
4562 
4563 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_mac_register"));
4564 
4565 	if ((macp = mac_alloc(MAC_VERSION)) == NULL)
4566 		return (NXGE_ERROR);
4567 
4568 	macp->m_type_ident = MAC_PLUGIN_IDENT_ETHER;
4569 	macp->m_driver = nxgep;
4570 	macp->m_dip = nxgep->dip;
4571 	macp->m_src_addr = nxgep->ouraddr.ether_addr_octet;
4572 	macp->m_callbacks = &nxge_m_callbacks;
4573 	macp->m_min_sdu = 0;
4574 	macp->m_max_sdu = nxgep->mac.maxframesize -
4575 		sizeof (struct ether_header) - ETHERFCSL - 4;
4576 
4577 	status = mac_register(macp, &nxgep->mach);
4578 	mac_free(macp);
4579 
4580 	if (status != 0) {
4581 		cmn_err(CE_WARN,
4582 			"!nxge_mac_register failed (status %d instance %d)",
4583 			status, nxgep->instance);
4584 		return (NXGE_ERROR);
4585 	}
4586 
4587 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_mac_register success "
4588 		"(instance %d)", nxgep->instance));
4589 
4590 	return (NXGE_OK);
4591 }
4592 
4593 void
4594 nxge_err_inject(p_nxge_t nxgep, queue_t *wq, mblk_t *mp)
4595 {
4596 	ssize_t		size;
4597 	mblk_t		*nmp;
4598 	uint8_t		blk_id;
4599 	uint8_t		chan;
4600 	uint32_t	err_id;
4601 	err_inject_t	*eip;
4602 
4603 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_err_inject"));
4604 
4605 	size = 1024;
4606 	nmp = mp->b_cont;
4607 	eip = (err_inject_t *)nmp->b_rptr;
4608 	blk_id = eip->blk_id;
4609 	err_id = eip->err_id;
4610 	chan = eip->chan;
4611 	cmn_err(CE_NOTE, "!blk_id = 0x%x\n", blk_id);
4612 	cmn_err(CE_NOTE, "!err_id = 0x%x\n", err_id);
4613 	cmn_err(CE_NOTE, "!chan = 0x%x\n", chan);
4614 	switch (blk_id) {
4615 	case MAC_BLK_ID:
4616 		break;
4617 	case TXMAC_BLK_ID:
4618 		break;
4619 	case RXMAC_BLK_ID:
4620 		break;
4621 	case MIF_BLK_ID:
4622 		break;
4623 	case IPP_BLK_ID:
4624 		nxge_ipp_inject_err(nxgep, err_id);
4625 		break;
4626 	case TXC_BLK_ID:
4627 		nxge_txc_inject_err(nxgep, err_id);
4628 		break;
4629 	case TXDMA_BLK_ID:
4630 		nxge_txdma_inject_err(nxgep, err_id, chan);
4631 		break;
4632 	case RXDMA_BLK_ID:
4633 		nxge_rxdma_inject_err(nxgep, err_id, chan);
4634 		break;
4635 	case ZCP_BLK_ID:
4636 		nxge_zcp_inject_err(nxgep, err_id);
4637 		break;
4638 	case ESPC_BLK_ID:
4639 		break;
4640 	case FFLP_BLK_ID:
4641 		break;
4642 	case PHY_BLK_ID:
4643 		break;
4644 	case ETHER_SERDES_BLK_ID:
4645 		break;
4646 	case PCIE_SERDES_BLK_ID:
4647 		break;
4648 	case VIR_BLK_ID:
4649 		break;
4650 	}
4651 
4652 	nmp->b_wptr = nmp->b_rptr + size;
4653 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "<== nxge_err_inject"));
4654 
4655 	miocack(wq, mp, (int)size, 0);
4656 }
4657 
4658 static int
4659 nxge_init_common_dev(p_nxge_t nxgep)
4660 {
4661 	p_nxge_hw_list_t	hw_p;
4662 	dev_info_t 		*p_dip;
4663 
4664 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==> nxge_init_common_device"));
4665 
4666 	p_dip = nxgep->p_dip;
4667 	MUTEX_ENTER(&nxge_common_lock);
4668 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4669 		"==> nxge_init_common_dev:func # %d",
4670 			nxgep->function_num));
4671 	/*
4672 	 * Loop through existing per neptune hardware list.
4673 	 */
4674 	for (hw_p = nxge_hw_list; hw_p; hw_p = hw_p->next) {
4675 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4676 			"==> nxge_init_common_device:func # %d "
4677 			"hw_p $%p parent dip $%p",
4678 			nxgep->function_num,
4679 			hw_p,
4680 			p_dip));
4681 		if (hw_p->parent_devp == p_dip) {
4682 			nxgep->nxge_hw_p = hw_p;
4683 			hw_p->ndevs++;
4684 			hw_p->nxge_p[nxgep->function_num] = nxgep;
4685 			NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4686 				"==> nxge_init_common_device:func # %d "
4687 				"hw_p $%p parent dip $%p "
4688 				"ndevs %d (found)",
4689 				nxgep->function_num,
4690 				hw_p,
4691 				p_dip,
4692 				hw_p->ndevs));
4693 			break;
4694 		}
4695 	}
4696 
4697 	if (hw_p == NULL) {
4698 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4699 			"==> nxge_init_common_device:func # %d "
4700 			"parent dip $%p (new)",
4701 			nxgep->function_num,
4702 			p_dip));
4703 		hw_p = kmem_zalloc(sizeof (nxge_hw_list_t), KM_SLEEP);
4704 		hw_p->parent_devp = p_dip;
4705 		hw_p->magic = NXGE_NEPTUNE_MAGIC;
4706 		nxgep->nxge_hw_p = hw_p;
4707 		hw_p->ndevs++;
4708 		hw_p->nxge_p[nxgep->function_num] = nxgep;
4709 		hw_p->next = nxge_hw_list;
4710 		if (nxgep->niu_type == N2_NIU) {
4711 			hw_p->niu_type = N2_NIU;
4712 			hw_p->platform_type = P_NEPTUNE_NIU;
4713 		} else {
4714 			hw_p->niu_type = NIU_TYPE_NONE;
4715 			hw_p->platform_type = P_NEPTUNE_NONE;
4716 		}
4717 
4718 		MUTEX_INIT(&hw_p->nxge_cfg_lock, NULL, MUTEX_DRIVER, NULL);
4719 		MUTEX_INIT(&hw_p->nxge_tcam_lock, NULL, MUTEX_DRIVER, NULL);
4720 		MUTEX_INIT(&hw_p->nxge_vlan_lock, NULL, MUTEX_DRIVER, NULL);
4721 		MUTEX_INIT(&hw_p->nxge_mdio_lock, NULL, MUTEX_DRIVER, NULL);
4722 		MUTEX_INIT(&hw_p->nxge_mii_lock, NULL, MUTEX_DRIVER, NULL);
4723 
4724 		nxge_hw_list = hw_p;
4725 
4726 		(void) nxge_scan_ports_phy(nxgep, nxge_hw_list);
4727 	}
4728 
4729 	MUTEX_EXIT(&nxge_common_lock);
4730 
4731 	nxgep->platform_type = hw_p->platform_type;
4732 	if (nxgep->niu_type != N2_NIU) {
4733 		nxgep->niu_type = hw_p->niu_type;
4734 	}
4735 
4736 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4737 		"==> nxge_init_common_device (nxge_hw_list) $%p",
4738 		nxge_hw_list));
4739 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<== nxge_init_common_device"));
4740 
4741 	return (NXGE_OK);
4742 }
4743 
4744 static void
4745 nxge_uninit_common_dev(p_nxge_t nxgep)
4746 {
4747 	p_nxge_hw_list_t	hw_p, h_hw_p;
4748 	dev_info_t 		*p_dip;
4749 
4750 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==> nxge_uninit_common_device"));
4751 	if (nxgep->nxge_hw_p == NULL) {
4752 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4753 			"<== nxge_uninit_common_device (no common)"));
4754 		return;
4755 	}
4756 
4757 	MUTEX_ENTER(&nxge_common_lock);
4758 	h_hw_p = nxge_hw_list;
4759 	for (hw_p = nxge_hw_list; hw_p; hw_p = hw_p->next) {
4760 		p_dip = hw_p->parent_devp;
4761 		if (nxgep->nxge_hw_p == hw_p &&
4762 			p_dip == nxgep->p_dip &&
4763 			nxgep->nxge_hw_p->magic == NXGE_NEPTUNE_MAGIC &&
4764 			hw_p->magic == NXGE_NEPTUNE_MAGIC) {
4765 
4766 			NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4767 				"==> nxge_uninit_common_device:func # %d "
4768 				"hw_p $%p parent dip $%p "
4769 				"ndevs %d (found)",
4770 				nxgep->function_num,
4771 				hw_p,
4772 				p_dip,
4773 				hw_p->ndevs));
4774 
4775 			nxgep->nxge_hw_p = NULL;
4776 			if (hw_p->ndevs) {
4777 				hw_p->ndevs--;
4778 			}
4779 			hw_p->nxge_p[nxgep->function_num] = NULL;
4780 			if (!hw_p->ndevs) {
4781 				MUTEX_DESTROY(&hw_p->nxge_vlan_lock);
4782 				MUTEX_DESTROY(&hw_p->nxge_tcam_lock);
4783 				MUTEX_DESTROY(&hw_p->nxge_cfg_lock);
4784 				MUTEX_DESTROY(&hw_p->nxge_mdio_lock);
4785 				MUTEX_DESTROY(&hw_p->nxge_mii_lock);
4786 				NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4787 					"==> nxge_uninit_common_device: "
4788 					"func # %d "
4789 					"hw_p $%p parent dip $%p "
4790 					"ndevs %d (last)",
4791 					nxgep->function_num,
4792 					hw_p,
4793 					p_dip,
4794 					hw_p->ndevs));
4795 
4796 				if (hw_p == nxge_hw_list) {
4797 					NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4798 						"==> nxge_uninit_common_device:"
4799 						"remove head func # %d "
4800 						"hw_p $%p parent dip $%p "
4801 						"ndevs %d (head)",
4802 						nxgep->function_num,
4803 						hw_p,
4804 						p_dip,
4805 						hw_p->ndevs));
4806 					nxge_hw_list = hw_p->next;
4807 				} else {
4808 					NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4809 						"==> nxge_uninit_common_device:"
4810 						"remove middle func # %d "
4811 						"hw_p $%p parent dip $%p "
4812 						"ndevs %d (middle)",
4813 						nxgep->function_num,
4814 						hw_p,
4815 						p_dip,
4816 						hw_p->ndevs));
4817 					h_hw_p->next = hw_p->next;
4818 				}
4819 
4820 				KMEM_FREE(hw_p, sizeof (nxge_hw_list_t));
4821 			}
4822 			break;
4823 		} else {
4824 			h_hw_p = hw_p;
4825 		}
4826 	}
4827 
4828 	MUTEX_EXIT(&nxge_common_lock);
4829 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4830 		"==> nxge_uninit_common_device (nxge_hw_list) $%p",
4831 		nxge_hw_list));
4832 
4833 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<= nxge_uninit_common_device"));
4834 }
4835 
4836 /*
4837  * Determines the number of ports from the niu_type or the platform type.
4838  * Returns the number of ports, or returns zero on failure.
4839  */
4840 
4841 int
4842 nxge_get_nports(p_nxge_t nxgep)
4843 {
4844 	int	nports = 0;
4845 
4846 	switch (nxgep->niu_type) {
4847 	case N2_NIU:
4848 	case NEPTUNE_2_10GF:
4849 		nports = 2;
4850 		break;
4851 	case NEPTUNE_4_1GC:
4852 	case NEPTUNE_2_10GF_2_1GC:
4853 	case NEPTUNE_1_10GF_3_1GC:
4854 	case NEPTUNE_1_1GC_1_10GF_2_1GC:
4855 		nports = 4;
4856 		break;
4857 	default:
4858 		switch (nxgep->platform_type) {
4859 		case P_NEPTUNE_NIU:
4860 		case P_NEPTUNE_ATLAS_2PORT:
4861 			nports = 2;
4862 			break;
4863 		case P_NEPTUNE_ATLAS_4PORT:
4864 		case P_NEPTUNE_MARAMBA_P0:
4865 		case P_NEPTUNE_MARAMBA_P1:
4866 			nports = 4;
4867 			break;
4868 		default:
4869 			break;
4870 		}
4871 		break;
4872 	}
4873 
4874 	return (nports);
4875 }
4876