xref: /titanic_44/usr/src/uts/common/io/nxge/nxge_main.c (revision 3441f6a1af86b9b2f883f3323bf02c9dd0f7a94d)
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 		goto nxge_attach_fail;
438 	}
439 
440 	nxgep->drv_state = 0;
441 	nxgep->dip = dip;
442 	nxgep->instance = instance;
443 	nxgep->p_dip = ddi_get_parent(dip);
444 	nxgep->nxge_debug_level = nxge_debug_level;
445 	npi_debug_level = nxge_debug_level;
446 
447 	nxge_fm_init(nxgep, &nxge_dev_reg_acc_attr, &nxge_dev_desc_dma_acc_attr,
448 				&nxge_rx_dma_attr);
449 
450 	status = nxge_map_regs(nxgep);
451 	if (status != NXGE_OK) {
452 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "nxge_map_regs failed"));
453 		goto nxge_attach_fail;
454 	}
455 
456 	status = nxge_init_common_dev(nxgep);
457 	if (status != NXGE_OK) {
458 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
459 			"nxge_init_common_dev failed"));
460 		goto nxge_attach_fail;
461 	}
462 
463 	portn = NXGE_GET_PORT_NUM(nxgep->function_num);
464 	nxgep->mac.portnum = portn;
465 	if ((portn == 0) || (portn == 1))
466 		nxgep->mac.porttype = PORT_TYPE_XMAC;
467 	else
468 		nxgep->mac.porttype = PORT_TYPE_BMAC;
469 	/*
470 	 * Neptune has 4 ports, the first 2 ports use XMAC (10G MAC)
471 	 * internally, the rest 2 ports use BMAC (1G "Big" MAC).
472 	 * The two types of MACs have different characterizations.
473 	 */
474 	mmac_info = &nxgep->nxge_mmac_info;
475 	if (nxgep->function_num < 2) {
476 		mmac_info->num_mmac = XMAC_MAX_ALT_ADDR_ENTRY;
477 		mmac_info->naddrfree = XMAC_MAX_ALT_ADDR_ENTRY;
478 	} else {
479 		mmac_info->num_mmac = BMAC_MAX_ALT_ADDR_ENTRY;
480 		mmac_info->naddrfree = BMAC_MAX_ALT_ADDR_ENTRY;
481 	}
482 	/*
483 	 * Setup the Ndd parameters for the this instance.
484 	 */
485 	nxge_init_param(nxgep);
486 
487 	/*
488 	 * Setup Register Tracing Buffer.
489 	 */
490 	npi_rtrace_buf_init((rtrace_t *)&npi_rtracebuf);
491 
492 	/* init stats ptr */
493 	nxge_init_statsp(nxgep);
494 
495 	if (nxgep->niu_type != N2_NIU) {
496 		/*
497 		 * read the vpd info from the eeprom into local data
498 		 * structure and check for the VPD info validity
499 		 */
500 		(void) nxge_vpd_info_get(nxgep);
501 	}
502 
503 	status = nxge_get_xcvr_type(nxgep);
504 
505 	if (status != NXGE_OK) {
506 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "nxge_attach: "
507 				    " Couldn't determine card type"
508 				    " .... exit "));
509 		goto nxge_attach_fail;
510 	}
511 
512 	if ((nxgep->niu_type == NEPTUNE) &&
513 		(nxgep->mac.portmode == PORT_10G_FIBER)) {
514 		nxgep->niu_type = NEPTUNE_2;
515 	}
516 
517 	if ((nxgep->niu_type == NEPTUNE_2) && (nxgep->function_num > 1)) {
518 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "Unsupported function %d."
519 		    "Only functions 0 and 1 are supported by this card",
520 		    nxgep->function_num));
521 		status = NXGE_ERROR;
522 		goto nxge_attach_fail;
523 	}
524 
525 	status = nxge_get_config_properties(nxgep);
526 
527 	if (status != NXGE_OK) {
528 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "get_hw create failed"));
529 		goto nxge_attach_fail;
530 	}
531 
532 	/*
533 	 * Setup the Kstats for the driver.
534 	 */
535 	nxge_setup_kstats(nxgep);
536 
537 	nxge_setup_param(nxgep);
538 
539 	status = nxge_setup_system_dma_pages(nxgep);
540 	if (status != NXGE_OK) {
541 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "set dma page failed"));
542 		goto nxge_attach_fail;
543 	}
544 
545 #if	defined(sun4v)
546 	if (nxgep->niu_type == N2_NIU) {
547 		nxgep->niu_hsvc_available = B_FALSE;
548 		bcopy(&niu_hsvc, &nxgep->niu_hsvc, sizeof (hsvc_info_t));
549 		if ((status =
550 			hsvc_register(&nxgep->niu_hsvc,
551 					&nxgep->niu_min_ver)) != 0) {
552 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
553 					"nxge_attach: "
554 					"%s: cannot negotiate "
555 					"hypervisor services "
556 					"revision %d "
557 					"group: 0x%lx "
558 					"major: 0x%lx minor: 0x%lx "
559 					"errno: %d",
560 					niu_hsvc.hsvc_modname,
561 					niu_hsvc.hsvc_rev,
562 					niu_hsvc.hsvc_group,
563 					niu_hsvc.hsvc_major,
564 					niu_hsvc.hsvc_minor,
565 					status));
566 				status = DDI_FAILURE;
567 				goto nxge_attach_fail;
568 		}
569 
570 		nxgep->niu_hsvc_available = B_TRUE;
571 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
572 			"NIU Hypervisor service enabled"));
573 	}
574 #endif
575 
576 	nxge_hw_id_init(nxgep);
577 	nxge_hw_init_niu_common(nxgep);
578 
579 	status = nxge_setup_mutexes(nxgep);
580 	if (status != NXGE_OK) {
581 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "set mutex failed"));
582 		goto nxge_attach_fail;
583 	}
584 
585 	status = nxge_setup_dev(nxgep);
586 	if (status != DDI_SUCCESS) {
587 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "set dev failed"));
588 		goto nxge_attach_fail;
589 	}
590 
591 	status = nxge_add_intrs(nxgep);
592 	if (status != DDI_SUCCESS) {
593 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "add_intr failed"));
594 		goto nxge_attach_fail;
595 	}
596 	status = nxge_add_soft_intrs(nxgep);
597 	if (status != DDI_SUCCESS) {
598 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL, "add_soft_intr failed"));
599 		goto nxge_attach_fail;
600 	}
601 
602 	/*
603 	 * Enable interrupts.
604 	 */
605 	nxge_intrs_enable(nxgep);
606 
607 	if ((status = nxge_mac_register(nxgep)) != DDI_SUCCESS) {
608 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
609 			"unable to register to mac layer (%d)", status));
610 		goto nxge_attach_fail;
611 	}
612 
613 	mac_link_update(nxgep->mach, LINK_STATE_UNKNOWN);
614 
615 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "registered to mac (instance %d)",
616 		instance));
617 
618 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
619 
620 	goto nxge_attach_exit;
621 
622 nxge_attach_fail:
623 	nxge_unattach(nxgep);
624 	if (status != NXGE_OK)
625 		status = (NXGE_ERROR | NXGE_DDI_FAILED);
626 	nxgep = NULL;
627 
628 nxge_attach_exit:
629 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_attach status = 0x%08x",
630 		status));
631 
632 	return (status);
633 }
634 
635 static int
636 nxge_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
637 {
638 	int 		status = DDI_SUCCESS;
639 	int 		instance;
640 	p_nxge_t 	nxgep = NULL;
641 
642 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_detach"));
643 	instance = ddi_get_instance(dip);
644 	nxgep = ddi_get_soft_state(nxge_list, instance);
645 	if (nxgep == NULL) {
646 		status = DDI_FAILURE;
647 		goto nxge_detach_exit;
648 	}
649 
650 	switch (cmd) {
651 	case DDI_DETACH:
652 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_DETACH"));
653 		break;
654 
655 	case DDI_PM_SUSPEND:
656 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_PM_SUSPEND"));
657 		nxgep->suspended = DDI_PM_SUSPEND;
658 		nxge_suspend(nxgep);
659 		break;
660 
661 	case DDI_SUSPEND:
662 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_SUSPEND"));
663 		if (nxgep->suspended != DDI_PM_SUSPEND) {
664 			nxgep->suspended = DDI_SUSPEND;
665 			nxge_suspend(nxgep);
666 		}
667 		break;
668 
669 	default:
670 		status = DDI_FAILURE;
671 	}
672 
673 	if (cmd != DDI_DETACH)
674 		goto nxge_detach_exit;
675 
676 	/*
677 	 * Stop the xcvr polling.
678 	 */
679 	nxgep->suspended = cmd;
680 
681 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
682 
683 	if (nxgep->mach && (status = mac_unregister(nxgep->mach)) != 0) {
684 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
685 			"<== nxge_detach status = 0x%08X", status));
686 		return (DDI_FAILURE);
687 	}
688 
689 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
690 		"<== nxge_detach (mac_unregister) status = 0x%08X", status));
691 
692 	nxge_unattach(nxgep);
693 	nxgep = NULL;
694 
695 nxge_detach_exit:
696 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_detach status = 0x%08X",
697 		status));
698 
699 	return (status);
700 }
701 
702 static void
703 nxge_unattach(p_nxge_t nxgep)
704 {
705 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_unattach"));
706 
707 	if (nxgep == NULL || nxgep->dev_regs == NULL) {
708 		return;
709 	}
710 
711 	if (nxgep->nxge_hw_p) {
712 		nxge_uninit_common_dev(nxgep);
713 		nxgep->nxge_hw_p = NULL;
714 	}
715 
716 	if (nxgep->nxge_timerid) {
717 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
718 		nxgep->nxge_timerid = 0;
719 	}
720 
721 #if	defined(sun4v)
722 	if (nxgep->niu_type == N2_NIU && nxgep->niu_hsvc_available == B_TRUE) {
723 		(void) hsvc_unregister(&nxgep->niu_hsvc);
724 		nxgep->niu_hsvc_available = B_FALSE;
725 	}
726 #endif
727 	/*
728 	 * Stop any further interrupts.
729 	 */
730 	nxge_remove_intrs(nxgep);
731 
732 	/* remove soft interrups */
733 	nxge_remove_soft_intrs(nxgep);
734 
735 	/*
736 	 * Stop the device and free resources.
737 	 */
738 	nxge_destroy_dev(nxgep);
739 
740 	/*
741 	 * Tear down the ndd parameters setup.
742 	 */
743 	nxge_destroy_param(nxgep);
744 
745 	/*
746 	 * Tear down the kstat setup.
747 	 */
748 	nxge_destroy_kstats(nxgep);
749 
750 	/*
751 	 * Destroy all mutexes.
752 	 */
753 	nxge_destroy_mutexes(nxgep);
754 
755 	/*
756 	 * Remove the list of ndd parameters which
757 	 * were setup during attach.
758 	 */
759 	if (nxgep->dip) {
760 		NXGE_DEBUG_MSG((nxgep, OBP_CTL,
761 				    " nxge_unattach: remove all properties"));
762 
763 		(void) ddi_prop_remove_all(nxgep->dip);
764 	}
765 
766 #if NXGE_PROPERTY
767 	nxge_remove_hard_properties(nxgep);
768 #endif
769 
770 	/*
771 	 * Unmap the register setup.
772 	 */
773 	nxge_unmap_regs(nxgep);
774 
775 	nxge_fm_fini(nxgep);
776 
777 	ddi_soft_state_free(nxge_list, nxgep->instance);
778 
779 	NXGE_DEBUG_MSG((NULL, DDI_CTL, "<== nxge_unattach"));
780 }
781 
782 static char n2_siu_name[] = "niu";
783 
784 static nxge_status_t
785 nxge_map_regs(p_nxge_t nxgep)
786 {
787 	int		ddi_status = DDI_SUCCESS;
788 	p_dev_regs_t 	dev_regs;
789 	char		buf[MAXPATHLEN + 1];
790 	char 		*devname;
791 #ifdef	NXGE_DEBUG
792 	char 		*sysname;
793 #endif
794 	off_t		regsize;
795 	nxge_status_t	status = NXGE_OK;
796 #if !defined(_BIG_ENDIAN)
797 	off_t pci_offset;
798 	uint16_t pcie_devctl;
799 #endif
800 
801 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_map_regs"));
802 	nxgep->dev_regs = NULL;
803 	dev_regs = KMEM_ZALLOC(sizeof (dev_regs_t), KM_SLEEP);
804 	dev_regs->nxge_regh = NULL;
805 	dev_regs->nxge_pciregh = NULL;
806 	dev_regs->nxge_msix_regh = NULL;
807 	dev_regs->nxge_vir_regh = NULL;
808 	dev_regs->nxge_vir2_regh = NULL;
809 	nxgep->niu_type = NEPTUNE;
810 
811 	devname = ddi_pathname(nxgep->dip, buf);
812 	ASSERT(strlen(devname) > 0);
813 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
814 		"nxge_map_regs: pathname devname %s", devname));
815 
816 	if (strstr(devname, n2_siu_name)) {
817 		/* N2/NIU */
818 		nxgep->niu_type = N2_NIU;
819 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
820 			"nxge_map_regs: N2/NIU devname %s", devname));
821 		/* get function number */
822 		nxgep->function_num =
823 			(devname[strlen(devname) -1] == '1' ? 1 : 0);
824 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
825 			"nxge_map_regs: N2/NIU function number %d",
826 			nxgep->function_num));
827 	} else {
828 		int		*prop_val;
829 		uint_t 		prop_len;
830 		uint8_t 	func_num;
831 
832 		if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, nxgep->dip,
833 				0, "reg",
834 				&prop_val, &prop_len) != DDI_PROP_SUCCESS) {
835 			NXGE_DEBUG_MSG((nxgep, VPD_CTL,
836 				"Reg property not found"));
837 			ddi_status = DDI_FAILURE;
838 			goto nxge_map_regs_fail0;
839 
840 		} else {
841 			func_num = (prop_val[0] >> 8) & 0x7;
842 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
843 				"Reg property found: fun # %d",
844 				func_num));
845 			nxgep->function_num = func_num;
846 			ddi_prop_free(prop_val);
847 		}
848 	}
849 
850 	switch (nxgep->niu_type) {
851 	case NEPTUNE:
852 	case NEPTUNE_2:
853 	default:
854 		(void) ddi_dev_regsize(nxgep->dip, 0, &regsize);
855 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
856 			"nxge_map_regs: pci config size 0x%x", regsize));
857 
858 		ddi_status = ddi_regs_map_setup(nxgep->dip, 0,
859 			(caddr_t *)&(dev_regs->nxge_pciregp), 0, 0,
860 			&nxge_dev_reg_acc_attr, &dev_regs->nxge_pciregh);
861 		if (ddi_status != DDI_SUCCESS) {
862 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
863 				"ddi_map_regs, nxge bus config regs failed"));
864 			goto nxge_map_regs_fail0;
865 		}
866 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
867 			"nxge_map_reg: PCI config addr 0x%0llx "
868 			" handle 0x%0llx", dev_regs->nxge_pciregp,
869 			dev_regs->nxge_pciregh));
870 			/*
871 			 * IMP IMP
872 			 * workaround  for bit swapping bug in HW
873 			 * which ends up in no-snoop = yes
874 			 * resulting, in DMA not synched properly
875 			 */
876 #if !defined(_BIG_ENDIAN)
877 		/* workarounds for x86 systems */
878 		pci_offset = 0x80 + PCIE_DEVCTL;
879 		pcie_devctl = 0x0;
880 		pcie_devctl &= PCIE_DEVCTL_ENABLE_NO_SNOOP;
881 		pcie_devctl |= PCIE_DEVCTL_RO_EN;
882 		pci_config_put16(dev_regs->nxge_pciregh, pci_offset,
883 				    pcie_devctl);
884 #endif
885 
886 		(void) ddi_dev_regsize(nxgep->dip, 1, &regsize);
887 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
888 			"nxge_map_regs: pio size 0x%x", regsize));
889 		/* set up the device mapped register */
890 		ddi_status = ddi_regs_map_setup(nxgep->dip, 1,
891 			(caddr_t *)&(dev_regs->nxge_regp), 0, 0,
892 			&nxge_dev_reg_acc_attr, &dev_regs->nxge_regh);
893 		if (ddi_status != DDI_SUCCESS) {
894 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
895 				"ddi_map_regs for Neptune global reg failed"));
896 			goto nxge_map_regs_fail1;
897 		}
898 
899 		/* set up the msi/msi-x mapped register */
900 		(void) ddi_dev_regsize(nxgep->dip, 2, &regsize);
901 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
902 			"nxge_map_regs: msix size 0x%x", regsize));
903 		ddi_status = ddi_regs_map_setup(nxgep->dip, 2,
904 			(caddr_t *)&(dev_regs->nxge_msix_regp), 0, 0,
905 			&nxge_dev_reg_acc_attr, &dev_regs->nxge_msix_regh);
906 		if (ddi_status != DDI_SUCCESS) {
907 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
908 				"ddi_map_regs for msi reg failed"));
909 			goto nxge_map_regs_fail2;
910 		}
911 
912 		/* set up the vio region mapped register */
913 		(void) ddi_dev_regsize(nxgep->dip, 3, &regsize);
914 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
915 			"nxge_map_regs: vio size 0x%x", regsize));
916 		ddi_status = ddi_regs_map_setup(nxgep->dip, 3,
917 			(caddr_t *)&(dev_regs->nxge_vir_regp), 0, 0,
918 			&nxge_dev_reg_acc_attr, &dev_regs->nxge_vir_regh);
919 
920 		if (ddi_status != DDI_SUCCESS) {
921 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
922 				"ddi_map_regs for nxge vio reg failed"));
923 			goto nxge_map_regs_fail3;
924 		}
925 		nxgep->dev_regs = dev_regs;
926 
927 		NPI_PCI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_pciregh);
928 		NPI_PCI_ADD_HANDLE_SET(nxgep,
929 			(npi_reg_ptr_t)dev_regs->nxge_pciregp);
930 		NPI_MSI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_msix_regh);
931 		NPI_MSI_ADD_HANDLE_SET(nxgep,
932 			(npi_reg_ptr_t)dev_regs->nxge_msix_regp);
933 
934 		NPI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
935 		NPI_ADD_HANDLE_SET(nxgep, (npi_reg_ptr_t)dev_regs->nxge_regp);
936 
937 		NPI_REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
938 		NPI_REG_ADD_HANDLE_SET(nxgep,
939 			(npi_reg_ptr_t)dev_regs->nxge_regp);
940 
941 		NPI_VREG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir_regh);
942 		NPI_VREG_ADD_HANDLE_SET(nxgep,
943 			(npi_reg_ptr_t)dev_regs->nxge_vir_regp);
944 
945 		break;
946 
947 	case N2_NIU:
948 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "ddi_map_regs, NIU"));
949 		/*
950 		 * Set up the device mapped register (FWARC 2006/556)
951 		 * (changed back to 1: reg starts at 1!)
952 		 */
953 		(void) ddi_dev_regsize(nxgep->dip, 1, &regsize);
954 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
955 			"nxge_map_regs: dev size 0x%x", regsize));
956 		ddi_status = ddi_regs_map_setup(nxgep->dip, 1,
957 				(caddr_t *)&(dev_regs->nxge_regp), 0, 0,
958 				&nxge_dev_reg_acc_attr, &dev_regs->nxge_regh);
959 
960 		if (ddi_status != DDI_SUCCESS) {
961 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
962 				"ddi_map_regs for N2/NIU, global reg failed "));
963 			goto nxge_map_regs_fail1;
964 		}
965 
966 		/* set up the vio region mapped register */
967 		(void) ddi_dev_regsize(nxgep->dip, 2, &regsize);
968 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
969 			"nxge_map_regs: vio (1) size 0x%x", regsize));
970 		ddi_status = ddi_regs_map_setup(nxgep->dip, 2,
971 			(caddr_t *)&(dev_regs->nxge_vir_regp), 0, 0,
972 			&nxge_dev_reg_acc_attr, &dev_regs->nxge_vir_regh);
973 
974 		if (ddi_status != DDI_SUCCESS) {
975 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
976 				"ddi_map_regs for nxge vio reg failed"));
977 			goto nxge_map_regs_fail2;
978 		}
979 		/* set up the vio region mapped register */
980 		(void) ddi_dev_regsize(nxgep->dip, 3, &regsize);
981 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
982 			"nxge_map_regs: vio (3) size 0x%x", regsize));
983 		ddi_status = ddi_regs_map_setup(nxgep->dip, 3,
984 			(caddr_t *)&(dev_regs->nxge_vir2_regp), 0, 0,
985 			&nxge_dev_reg_acc_attr, &dev_regs->nxge_vir2_regh);
986 
987 		if (ddi_status != DDI_SUCCESS) {
988 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
989 				"ddi_map_regs for nxge vio2 reg failed"));
990 			goto nxge_map_regs_fail3;
991 		}
992 		nxgep->dev_regs = dev_regs;
993 
994 		NPI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
995 		NPI_ADD_HANDLE_SET(nxgep, (npi_reg_ptr_t)dev_regs->nxge_regp);
996 
997 		NPI_REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
998 		NPI_REG_ADD_HANDLE_SET(nxgep,
999 			(npi_reg_ptr_t)dev_regs->nxge_regp);
1000 
1001 		NPI_VREG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir_regh);
1002 		NPI_VREG_ADD_HANDLE_SET(nxgep,
1003 			(npi_reg_ptr_t)dev_regs->nxge_vir_regp);
1004 
1005 		NPI_V2REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir2_regh);
1006 		NPI_V2REG_ADD_HANDLE_SET(nxgep,
1007 			(npi_reg_ptr_t)dev_regs->nxge_vir2_regp);
1008 
1009 		break;
1010 	}
1011 
1012 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "nxge_map_reg: hardware addr 0x%0llx "
1013 		" handle 0x%0llx", dev_regs->nxge_regp, dev_regs->nxge_regh));
1014 
1015 	goto nxge_map_regs_exit;
1016 nxge_map_regs_fail3:
1017 	if (dev_regs->nxge_msix_regh) {
1018 		ddi_regs_map_free(&dev_regs->nxge_msix_regh);
1019 	}
1020 	if (dev_regs->nxge_vir_regh) {
1021 		ddi_regs_map_free(&dev_regs->nxge_regh);
1022 	}
1023 nxge_map_regs_fail2:
1024 	if (dev_regs->nxge_regh) {
1025 		ddi_regs_map_free(&dev_regs->nxge_regh);
1026 	}
1027 nxge_map_regs_fail1:
1028 	if (dev_regs->nxge_pciregh) {
1029 		ddi_regs_map_free(&dev_regs->nxge_pciregh);
1030 	}
1031 nxge_map_regs_fail0:
1032 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "Freeing register set memory"));
1033 	kmem_free(dev_regs, sizeof (dev_regs_t));
1034 
1035 nxge_map_regs_exit:
1036 	if (ddi_status != DDI_SUCCESS)
1037 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1038 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_map_regs"));
1039 	return (status);
1040 }
1041 
1042 static void
1043 nxge_unmap_regs(p_nxge_t nxgep)
1044 {
1045 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_unmap_regs"));
1046 	if (nxgep->dev_regs) {
1047 		if (nxgep->dev_regs->nxge_pciregh) {
1048 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1049 				"==> nxge_unmap_regs: bus"));
1050 			ddi_regs_map_free(&nxgep->dev_regs->nxge_pciregh);
1051 			nxgep->dev_regs->nxge_pciregh = NULL;
1052 		}
1053 		if (nxgep->dev_regs->nxge_regh) {
1054 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1055 				"==> nxge_unmap_regs: device registers"));
1056 			ddi_regs_map_free(&nxgep->dev_regs->nxge_regh);
1057 			nxgep->dev_regs->nxge_regh = NULL;
1058 		}
1059 		if (nxgep->dev_regs->nxge_msix_regh) {
1060 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1061 				"==> nxge_unmap_regs: device interrupts"));
1062 			ddi_regs_map_free(&nxgep->dev_regs->nxge_msix_regh);
1063 			nxgep->dev_regs->nxge_msix_regh = NULL;
1064 		}
1065 		if (nxgep->dev_regs->nxge_vir_regh) {
1066 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1067 				"==> nxge_unmap_regs: vio region"));
1068 			ddi_regs_map_free(&nxgep->dev_regs->nxge_vir_regh);
1069 			nxgep->dev_regs->nxge_vir_regh = NULL;
1070 		}
1071 		if (nxgep->dev_regs->nxge_vir2_regh) {
1072 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1073 				"==> nxge_unmap_regs: vio2 region"));
1074 			ddi_regs_map_free(&nxgep->dev_regs->nxge_vir2_regh);
1075 			nxgep->dev_regs->nxge_vir2_regh = NULL;
1076 		}
1077 
1078 		kmem_free(nxgep->dev_regs, sizeof (dev_regs_t));
1079 		nxgep->dev_regs = NULL;
1080 	}
1081 
1082 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_unmap_regs"));
1083 }
1084 
1085 static nxge_status_t
1086 nxge_setup_mutexes(p_nxge_t nxgep)
1087 {
1088 	int ddi_status = DDI_SUCCESS;
1089 	nxge_status_t status = NXGE_OK;
1090 	nxge_classify_t *classify_ptr;
1091 	int partition;
1092 
1093 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_mutexes"));
1094 
1095 	/*
1096 	 * Get the interrupt cookie so the mutexes can be
1097 	 * Initialized.
1098 	 */
1099 	ddi_status = ddi_get_iblock_cookie(nxgep->dip, 0,
1100 					&nxgep->interrupt_cookie);
1101 	if (ddi_status != DDI_SUCCESS) {
1102 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1103 			"<== nxge_setup_mutexes: failed 0x%x", ddi_status));
1104 		goto nxge_setup_mutexes_exit;
1105 	}
1106 
1107 	/* Initialize global mutex */
1108 
1109 	if (nxge_mdio_lock_init == 0) {
1110 		MUTEX_INIT(&nxge_mdio_lock, NULL, MUTEX_DRIVER, NULL);
1111 	}
1112 	atomic_add_32(&nxge_mdio_lock_init, 1);
1113 
1114 	if (nxge_mii_lock_init == 0) {
1115 		MUTEX_INIT(&nxge_mii_lock, NULL, MUTEX_DRIVER, NULL);
1116 	}
1117 	atomic_add_32(&nxge_mii_lock_init, 1);
1118 
1119 	nxgep->drv_state |= STATE_MDIO_LOCK_INIT;
1120 	nxgep->drv_state |= STATE_MII_LOCK_INIT;
1121 
1122 	/*
1123 	 * Initialize mutex's for this device.
1124 	 */
1125 	MUTEX_INIT(nxgep->genlock, NULL,
1126 		MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1127 	MUTEX_INIT(&nxgep->ouraddr_lock, NULL,
1128 		MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1129 	MUTEX_INIT(&nxgep->mif_lock, NULL,
1130 		MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1131 	RW_INIT(&nxgep->filter_lock, NULL,
1132 		RW_DRIVER, (void *)nxgep->interrupt_cookie);
1133 
1134 	classify_ptr = &nxgep->classifier;
1135 		/*
1136 		 * FFLP Mutexes are never used in interrupt context
1137 		 * as fflp operation can take very long time to
1138 		 * complete and hence not suitable to invoke from interrupt
1139 		 * handlers.
1140 		 */
1141 	MUTEX_INIT(&classify_ptr->tcam_lock, NULL,
1142 			    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1143 	if (nxgep->niu_type == NEPTUNE) {
1144 		MUTEX_INIT(&classify_ptr->fcram_lock, NULL,
1145 			    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1146 		for (partition = 0; partition < MAX_PARTITION; partition++) {
1147 			MUTEX_INIT(&classify_ptr->hash_lock[partition], NULL,
1148 			    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1149 		}
1150 	}
1151 
1152 nxge_setup_mutexes_exit:
1153 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1154 			"<== nxge_setup_mutexes status = %x", status));
1155 
1156 	if (ddi_status != DDI_SUCCESS)
1157 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1158 
1159 	return (status);
1160 }
1161 
1162 static void
1163 nxge_destroy_mutexes(p_nxge_t nxgep)
1164 {
1165 	int partition;
1166 	nxge_classify_t *classify_ptr;
1167 
1168 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_destroy_mutexes"));
1169 	RW_DESTROY(&nxgep->filter_lock);
1170 	MUTEX_DESTROY(&nxgep->mif_lock);
1171 	MUTEX_DESTROY(&nxgep->ouraddr_lock);
1172 	MUTEX_DESTROY(nxgep->genlock);
1173 
1174 	classify_ptr = &nxgep->classifier;
1175 	MUTEX_DESTROY(&classify_ptr->tcam_lock);
1176 
1177 		/* free data structures, based on HW type */
1178 	if (nxgep->niu_type == NEPTUNE) {
1179 		MUTEX_DESTROY(&classify_ptr->fcram_lock);
1180 		for (partition = 0; partition < MAX_PARTITION; partition++) {
1181 			MUTEX_DESTROY(&classify_ptr->hash_lock[partition]);
1182 		}
1183 	}
1184 	if (nxgep->drv_state & STATE_MDIO_LOCK_INIT) {
1185 		if (nxge_mdio_lock_init == 1) {
1186 			MUTEX_DESTROY(&nxge_mdio_lock);
1187 		}
1188 		atomic_add_32(&nxge_mdio_lock_init, -1);
1189 	}
1190 	if (nxgep->drv_state & STATE_MII_LOCK_INIT) {
1191 		if (nxge_mii_lock_init == 1) {
1192 			MUTEX_DESTROY(&nxge_mii_lock);
1193 		}
1194 		atomic_add_32(&nxge_mii_lock_init, -1);
1195 	}
1196 
1197 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_destroy_mutexes"));
1198 }
1199 
1200 nxge_status_t
1201 nxge_init(p_nxge_t nxgep)
1202 {
1203 	nxge_status_t	status = NXGE_OK;
1204 
1205 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_init"));
1206 
1207 	if (nxgep->drv_state & STATE_HW_INITIALIZED) {
1208 		return (status);
1209 	}
1210 
1211 	/*
1212 	 * Allocate system memory for the receive/transmit buffer blocks
1213 	 * and receive/transmit descriptor rings.
1214 	 */
1215 	status = nxge_alloc_mem_pool(nxgep);
1216 	if (status != NXGE_OK) {
1217 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "alloc mem failed\n"));
1218 		goto nxge_init_fail1;
1219 	}
1220 
1221 	/*
1222 	 * Initialize and enable TXC registers
1223 	 * (Globally enable TX controller,
1224 	 *  enable a port, configure dma channel bitmap,
1225 	 *  configure the max burst size).
1226 	 */
1227 	status = nxge_txc_init(nxgep);
1228 	if (status != NXGE_OK) {
1229 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init txc failed\n"));
1230 		goto nxge_init_fail2;
1231 	}
1232 
1233 	/*
1234 	 * Initialize and enable TXDMA channels.
1235 	 */
1236 	status = nxge_init_txdma_channels(nxgep);
1237 	if (status != NXGE_OK) {
1238 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init txdma failed\n"));
1239 		goto nxge_init_fail3;
1240 	}
1241 
1242 	/*
1243 	 * Initialize and enable RXDMA channels.
1244 	 */
1245 	status = nxge_init_rxdma_channels(nxgep);
1246 	if (status != NXGE_OK) {
1247 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init rxdma failed\n"));
1248 		goto nxge_init_fail4;
1249 	}
1250 
1251 	/*
1252 	 * Initialize TCAM and FCRAM (Neptune).
1253 	 */
1254 	status = nxge_classify_init(nxgep);
1255 	if (status != NXGE_OK) {
1256 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init classify failed\n"));
1257 		goto nxge_init_fail5;
1258 	}
1259 
1260 	/*
1261 	 * Initialize ZCP
1262 	 */
1263 	status = nxge_zcp_init(nxgep);
1264 	if (status != NXGE_OK) {
1265 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init ZCP failed\n"));
1266 		goto nxge_init_fail5;
1267 	}
1268 
1269 	/*
1270 	 * Initialize IPP.
1271 	 */
1272 	status = nxge_ipp_init(nxgep);
1273 	if (status != NXGE_OK) {
1274 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init IPP failed\n"));
1275 		goto nxge_init_fail5;
1276 	}
1277 
1278 	/*
1279 	 * Initialize the MAC block.
1280 	 */
1281 	status = nxge_mac_init(nxgep);
1282 	if (status != NXGE_OK) {
1283 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init MAC failed\n"));
1284 		goto nxge_init_fail5;
1285 	}
1286 
1287 	nxge_intrs_enable(nxgep);
1288 
1289 	/*
1290 	 * Enable hardware interrupts.
1291 	 */
1292 	nxge_intr_hw_enable(nxgep);
1293 	nxgep->drv_state |= STATE_HW_INITIALIZED;
1294 
1295 	goto nxge_init_exit;
1296 
1297 nxge_init_fail5:
1298 	nxge_uninit_rxdma_channels(nxgep);
1299 nxge_init_fail4:
1300 	nxge_uninit_txdma_channels(nxgep);
1301 nxge_init_fail3:
1302 	(void) nxge_txc_uninit(nxgep);
1303 nxge_init_fail2:
1304 	nxge_free_mem_pool(nxgep);
1305 nxge_init_fail1:
1306 	NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1307 		"<== nxge_init status (failed) = 0x%08x", status));
1308 	return (status);
1309 
1310 nxge_init_exit:
1311 
1312 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_init status = 0x%08x",
1313 		status));
1314 	return (status);
1315 }
1316 
1317 
1318 timeout_id_t
1319 nxge_start_timer(p_nxge_t nxgep, fptrv_t func, int msec)
1320 {
1321 	if ((nxgep->suspended == 0) ||
1322 			(nxgep->suspended == DDI_RESUME)) {
1323 		return (timeout(func, (caddr_t)nxgep,
1324 			drv_usectohz(1000 * msec)));
1325 	}
1326 	return (NULL);
1327 }
1328 
1329 /*ARGSUSED*/
1330 void
1331 nxge_stop_timer(p_nxge_t nxgep, timeout_id_t timerid)
1332 {
1333 	if (timerid) {
1334 		(void) untimeout(timerid);
1335 	}
1336 }
1337 
1338 void
1339 nxge_uninit(p_nxge_t nxgep)
1340 {
1341 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_uninit"));
1342 
1343 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
1344 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1345 			"==> nxge_uninit: not initialized"));
1346 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1347 			"<== nxge_uninit"));
1348 		return;
1349 	}
1350 
1351 	/* stop timer */
1352 	if (nxgep->nxge_timerid) {
1353 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
1354 		nxgep->nxge_timerid = 0;
1355 	}
1356 
1357 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
1358 	(void) nxge_intr_hw_disable(nxgep);
1359 
1360 	/*
1361 	 * Reset the receive MAC side.
1362 	 */
1363 	(void) nxge_rx_mac_disable(nxgep);
1364 
1365 	/* Disable and soft reset the IPP */
1366 	(void) nxge_ipp_disable(nxgep);
1367 
1368 	/* Free classification resources */
1369 	(void) nxge_classify_uninit(nxgep);
1370 
1371 	/*
1372 	 * Reset the transmit/receive DMA side.
1373 	 */
1374 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_STOP);
1375 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_STOP);
1376 
1377 	nxge_uninit_txdma_channels(nxgep);
1378 	nxge_uninit_rxdma_channels(nxgep);
1379 
1380 	/*
1381 	 * Reset the transmit MAC side.
1382 	 */
1383 	(void) nxge_tx_mac_disable(nxgep);
1384 
1385 	nxge_free_mem_pool(nxgep);
1386 
1387 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
1388 
1389 	nxgep->drv_state &= ~STATE_HW_INITIALIZED;
1390 
1391 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_uninit: "
1392 		"nxge_mblks_pending %d", nxge_mblks_pending));
1393 }
1394 
1395 void
1396 nxge_get64(p_nxge_t nxgep, p_mblk_t mp)
1397 {
1398 	uint64_t	reg;
1399 	uint64_t	regdata;
1400 	int		i, retry;
1401 
1402 	bcopy((char *)mp->b_rptr, (char *)&reg, sizeof (uint64_t));
1403 	regdata = 0;
1404 	retry = 1;
1405 
1406 	for (i = 0; i < retry; i++) {
1407 		NXGE_REG_RD64(nxgep->npi_handle, reg, &regdata);
1408 	}
1409 	bcopy((char *)&regdata, (char *)mp->b_rptr, sizeof (uint64_t));
1410 }
1411 
1412 void
1413 nxge_put64(p_nxge_t nxgep, p_mblk_t mp)
1414 {
1415 	uint64_t	reg;
1416 	uint64_t	buf[2];
1417 
1418 	bcopy((char *)mp->b_rptr, (char *)&buf[0], 2 * sizeof (uint64_t));
1419 	reg = buf[0];
1420 
1421 	NXGE_NPI_PIO_WRITE64(nxgep->npi_handle, reg, buf[1]);
1422 }
1423 
1424 
1425 nxge_os_mutex_t nxgedebuglock;
1426 int nxge_debug_init = 0;
1427 
1428 /*ARGSUSED*/
1429 /*VARARGS*/
1430 void
1431 nxge_debug_msg(p_nxge_t nxgep, uint64_t level, char *fmt, ...)
1432 {
1433 	char msg_buffer[1048];
1434 	char prefix_buffer[32];
1435 	int instance;
1436 	uint64_t debug_level;
1437 	int cmn_level = CE_CONT;
1438 	va_list ap;
1439 
1440 	debug_level = (nxgep == NULL) ? nxge_debug_level :
1441 		nxgep->nxge_debug_level;
1442 
1443 	if ((level & debug_level) ||
1444 		(level == NXGE_NOTE) ||
1445 		(level == NXGE_ERR_CTL)) {
1446 		/* do the msg processing */
1447 		if (nxge_debug_init == 0) {
1448 			MUTEX_INIT(&nxgedebuglock, NULL, MUTEX_DRIVER, NULL);
1449 			nxge_debug_init = 1;
1450 		}
1451 
1452 		MUTEX_ENTER(&nxgedebuglock);
1453 
1454 		if ((level & NXGE_NOTE)) {
1455 			cmn_level = CE_NOTE;
1456 		}
1457 
1458 		if (level & NXGE_ERR_CTL) {
1459 			cmn_level = CE_WARN;
1460 		}
1461 
1462 		va_start(ap, fmt);
1463 		(void) vsprintf(msg_buffer, fmt, ap);
1464 		va_end(ap);
1465 		if (nxgep == NULL) {
1466 			instance = -1;
1467 			(void) sprintf(prefix_buffer, "%s :", "nxge");
1468 		} else {
1469 			instance = nxgep->instance;
1470 			(void) sprintf(prefix_buffer,
1471 						    "%s%d :", "nxge", instance);
1472 		}
1473 
1474 		MUTEX_EXIT(&nxgedebuglock);
1475 		cmn_err(cmn_level, "!%s %s\n",
1476 				prefix_buffer, msg_buffer);
1477 
1478 	}
1479 }
1480 
1481 char *
1482 nxge_dump_packet(char *addr, int size)
1483 {
1484 	uchar_t *ap = (uchar_t *)addr;
1485 	int i;
1486 	static char etherbuf[1024];
1487 	char *cp = etherbuf;
1488 	char digits[] = "0123456789abcdef";
1489 
1490 	if (!size)
1491 		size = 60;
1492 
1493 	if (size > MAX_DUMP_SZ) {
1494 		/* Dump the leading bytes */
1495 		for (i = 0; i < MAX_DUMP_SZ/2; i++) {
1496 			if (*ap > 0x0f)
1497 				*cp++ = digits[*ap >> 4];
1498 			*cp++ = digits[*ap++ & 0xf];
1499 			*cp++ = ':';
1500 		}
1501 		for (i = 0; i < 20; i++)
1502 			*cp++ = '.';
1503 		/* Dump the last MAX_DUMP_SZ/2 bytes */
1504 		ap = (uchar_t *)(addr + (size - MAX_DUMP_SZ/2));
1505 		for (i = 0; i < MAX_DUMP_SZ/2; i++) {
1506 			if (*ap > 0x0f)
1507 				*cp++ = digits[*ap >> 4];
1508 			*cp++ = digits[*ap++ & 0xf];
1509 			*cp++ = ':';
1510 		}
1511 	} else {
1512 		for (i = 0; i < size; i++) {
1513 			if (*ap > 0x0f)
1514 				*cp++ = digits[*ap >> 4];
1515 			*cp++ = digits[*ap++ & 0xf];
1516 			*cp++ = ':';
1517 		}
1518 	}
1519 	*--cp = 0;
1520 	return (etherbuf);
1521 }
1522 
1523 #ifdef	NXGE_DEBUG
1524 static void
1525 nxge_test_map_regs(p_nxge_t nxgep)
1526 {
1527 	ddi_acc_handle_t cfg_handle;
1528 	p_pci_cfg_t	cfg_ptr;
1529 	ddi_acc_handle_t dev_handle;
1530 	char		*dev_ptr;
1531 	ddi_acc_handle_t pci_config_handle;
1532 	uint32_t	regval;
1533 	int		i;
1534 
1535 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_test_map_regs"));
1536 
1537 	dev_handle = nxgep->dev_regs->nxge_regh;
1538 	dev_ptr = (char *)nxgep->dev_regs->nxge_regp;
1539 
1540 	if (nxgep->niu_type == NEPTUNE) {
1541 		cfg_handle = nxgep->dev_regs->nxge_pciregh;
1542 		cfg_ptr = (void *)nxgep->dev_regs->nxge_pciregp;
1543 
1544 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1545 			"Neptune PCI regp cfg_ptr 0x%llx", (char *)cfg_ptr));
1546 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1547 			"Neptune PCI cfg_ptr vendor id ptr 0x%llx",
1548 			&cfg_ptr->vendorid));
1549 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1550 			"\tvendorid 0x%x devid 0x%x",
1551 			NXGE_PIO_READ16(cfg_handle, &cfg_ptr->vendorid, 0),
1552 			NXGE_PIO_READ16(cfg_handle, &cfg_ptr->devid,    0)));
1553 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1554 			"PCI BAR: base 0x%x base14 0x%x base 18 0x%x "
1555 			"bar1c 0x%x",
1556 			NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base,   0),
1557 			NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base14, 0),
1558 			NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base18, 0),
1559 			NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base1c, 0)));
1560 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1561 			"\nNeptune PCI BAR: base20 0x%x base24 0x%x "
1562 			"base 28 0x%x bar2c 0x%x\n",
1563 			NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base20, 0),
1564 			NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base24, 0),
1565 			NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base28, 0),
1566 			NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base2c, 0)));
1567 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1568 			"\nNeptune PCI BAR: base30 0x%x\n",
1569 			NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base30, 0)));
1570 
1571 		cfg_handle = nxgep->dev_regs->nxge_pciregh;
1572 		cfg_ptr = (void *)nxgep->dev_regs->nxge_pciregp;
1573 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1574 			"first  0x%llx second 0x%llx third 0x%llx "
1575 			"last 0x%llx ",
1576 			NXGE_PIO_READ64(dev_handle,
1577 				    (uint64_t *)(dev_ptr + 0),  0),
1578 			NXGE_PIO_READ64(dev_handle,
1579 				    (uint64_t *)(dev_ptr + 8),  0),
1580 			NXGE_PIO_READ64(dev_handle,
1581 				    (uint64_t *)(dev_ptr + 16), 0),
1582 			NXGE_PIO_READ64(cfg_handle,
1583 				    (uint64_t *)(dev_ptr + 24), 0)));
1584 	}
1585 }
1586 
1587 #endif
1588 
1589 static void
1590 nxge_suspend(p_nxge_t nxgep)
1591 {
1592 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_suspend"));
1593 
1594 	nxge_intrs_disable(nxgep);
1595 	nxge_destroy_dev(nxgep);
1596 
1597 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_suspend"));
1598 }
1599 
1600 static nxge_status_t
1601 nxge_resume(p_nxge_t nxgep)
1602 {
1603 	nxge_status_t status = NXGE_OK;
1604 
1605 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_resume"));
1606 
1607 	nxgep->suspended = DDI_RESUME;
1608 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
1609 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_START);
1610 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_START);
1611 	(void) nxge_rx_mac_enable(nxgep);
1612 	(void) nxge_tx_mac_enable(nxgep);
1613 	nxge_intrs_enable(nxgep);
1614 	nxgep->suspended = 0;
1615 
1616 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1617 			"<== nxge_resume status = 0x%x", status));
1618 	return (status);
1619 }
1620 
1621 static nxge_status_t
1622 nxge_setup_dev(p_nxge_t nxgep)
1623 {
1624 	nxge_status_t	status = NXGE_OK;
1625 
1626 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_dev port %d",
1627 			nxgep->mac.portnum));
1628 
1629 	status = nxge_xcvr_find(nxgep);
1630 	if (status != NXGE_OK) {
1631 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1632 			    " nxge_setup_dev status "
1633 			    " (xcvr find 0x%08x)", status));
1634 		goto nxge_setup_dev_exit;
1635 	}
1636 
1637 	status = nxge_link_init(nxgep);
1638 
1639 	if (fm_check_acc_handle(nxgep->dev_regs->nxge_regh) != DDI_FM_OK) {
1640 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1641 			"port%d Bad register acc handle", nxgep->mac.portnum));
1642 		status = NXGE_ERROR;
1643 	}
1644 
1645 	if (status != NXGE_OK) {
1646 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1647 			    " nxge_setup_dev status "
1648 			    "(xcvr init 0x%08x)", status));
1649 		goto nxge_setup_dev_exit;
1650 	}
1651 
1652 nxge_setup_dev_exit:
1653 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1654 		"<== nxge_setup_dev port %d status = 0x%08x",
1655 		nxgep->mac.portnum, status));
1656 
1657 	return (status);
1658 }
1659 
1660 static void
1661 nxge_destroy_dev(p_nxge_t nxgep)
1662 {
1663 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_destroy_dev"));
1664 
1665 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
1666 
1667 	(void) nxge_hw_stop(nxgep);
1668 
1669 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_destroy_dev"));
1670 }
1671 
1672 static nxge_status_t
1673 nxge_setup_system_dma_pages(p_nxge_t nxgep)
1674 {
1675 	int 			ddi_status = DDI_SUCCESS;
1676 	uint_t 			count;
1677 	ddi_dma_cookie_t 	cookie;
1678 	uint_t 			iommu_pagesize;
1679 	nxge_status_t		status = NXGE_OK;
1680 
1681 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_system_dma_pages"));
1682 	nxgep->sys_page_sz = ddi_ptob(nxgep->dip, (ulong_t)1);
1683 	if (nxgep->niu_type != N2_NIU) {
1684 		iommu_pagesize = dvma_pagesize(nxgep->dip);
1685 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1686 			" nxge_setup_system_dma_pages: page %d (ddi_ptob %d) "
1687 			" default_block_size %d iommu_pagesize %d",
1688 			nxgep->sys_page_sz,
1689 			ddi_ptob(nxgep->dip, (ulong_t)1),
1690 			nxgep->rx_default_block_size,
1691 			iommu_pagesize));
1692 
1693 		if (iommu_pagesize != 0) {
1694 			if (nxgep->sys_page_sz == iommu_pagesize) {
1695 				if (iommu_pagesize > 0x4000)
1696 					nxgep->sys_page_sz = 0x4000;
1697 			} else {
1698 				if (nxgep->sys_page_sz > iommu_pagesize)
1699 					nxgep->sys_page_sz = iommu_pagesize;
1700 			}
1701 		}
1702 	}
1703 	nxgep->sys_page_mask = ~(nxgep->sys_page_sz - 1);
1704 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1705 		"==> nxge_setup_system_dma_pages: page %d (ddi_ptob %d) "
1706 		"default_block_size %d page mask %d",
1707 		nxgep->sys_page_sz,
1708 		ddi_ptob(nxgep->dip, (ulong_t)1),
1709 		nxgep->rx_default_block_size,
1710 		nxgep->sys_page_mask));
1711 
1712 
1713 	switch (nxgep->sys_page_sz) {
1714 	default:
1715 		nxgep->sys_page_sz = 0x1000;
1716 		nxgep->sys_page_mask = ~(nxgep->sys_page_sz - 1);
1717 		nxgep->rx_default_block_size = 0x1000;
1718 		nxgep->rx_bksize_code = RBR_BKSIZE_4K;
1719 		break;
1720 	case 0x1000:
1721 		nxgep->rx_default_block_size = 0x1000;
1722 		nxgep->rx_bksize_code = RBR_BKSIZE_4K;
1723 		break;
1724 	case 0x2000:
1725 		nxgep->rx_default_block_size = 0x2000;
1726 		nxgep->rx_bksize_code = RBR_BKSIZE_8K;
1727 		break;
1728 	case 0x4000:
1729 		nxgep->rx_default_block_size = 0x4000;
1730 		nxgep->rx_bksize_code = RBR_BKSIZE_16K;
1731 		break;
1732 	case 0x8000:
1733 		nxgep->rx_default_block_size = 0x8000;
1734 		nxgep->rx_bksize_code = RBR_BKSIZE_32K;
1735 		break;
1736 	}
1737 
1738 #ifndef USE_RX_BIG_BUF
1739 	nxge_rx_dma_attr.dma_attr_align = nxgep->sys_page_sz;
1740 #else
1741 		nxgep->rx_default_block_size = 0x2000;
1742 		nxgep->rx_bksize_code = RBR_BKSIZE_8K;
1743 #endif
1744 	/*
1745 	 * Get the system DMA burst size.
1746 	 */
1747 	ddi_status = ddi_dma_alloc_handle(nxgep->dip, &nxge_tx_dma_attr,
1748 			DDI_DMA_DONTWAIT, 0,
1749 			&nxgep->dmasparehandle);
1750 	if (ddi_status != DDI_SUCCESS) {
1751 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1752 			"ddi_dma_alloc_handle: failed "
1753 			" status 0x%x", ddi_status));
1754 		goto nxge_get_soft_properties_exit;
1755 	}
1756 
1757 	ddi_status = ddi_dma_addr_bind_handle(nxgep->dmasparehandle, NULL,
1758 				(caddr_t)nxgep->dmasparehandle,
1759 				sizeof (nxgep->dmasparehandle),
1760 				DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
1761 				DDI_DMA_DONTWAIT, 0,
1762 				&cookie, &count);
1763 	if (ddi_status != DDI_DMA_MAPPED) {
1764 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1765 			"Binding spare handle to find system"
1766 			" burstsize failed."));
1767 		ddi_status = DDI_FAILURE;
1768 		goto nxge_get_soft_properties_fail1;
1769 	}
1770 
1771 	nxgep->sys_burst_sz = ddi_dma_burstsizes(nxgep->dmasparehandle);
1772 	(void) ddi_dma_unbind_handle(nxgep->dmasparehandle);
1773 
1774 nxge_get_soft_properties_fail1:
1775 	ddi_dma_free_handle(&nxgep->dmasparehandle);
1776 
1777 nxge_get_soft_properties_exit:
1778 
1779 	if (ddi_status != DDI_SUCCESS)
1780 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1781 
1782 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1783 		"<== nxge_setup_system_dma_pages status = 0x%08x", status));
1784 	return (status);
1785 }
1786 
1787 static nxge_status_t
1788 nxge_alloc_mem_pool(p_nxge_t nxgep)
1789 {
1790 	nxge_status_t	status = NXGE_OK;
1791 
1792 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_alloc_mem_pool"));
1793 
1794 	status = nxge_alloc_rx_mem_pool(nxgep);
1795 	if (status != NXGE_OK) {
1796 		return (NXGE_ERROR);
1797 	}
1798 
1799 	status = nxge_alloc_tx_mem_pool(nxgep);
1800 	if (status != NXGE_OK) {
1801 		nxge_free_rx_mem_pool(nxgep);
1802 		return (NXGE_ERROR);
1803 	}
1804 
1805 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_alloc_mem_pool"));
1806 	return (NXGE_OK);
1807 }
1808 
1809 static void
1810 nxge_free_mem_pool(p_nxge_t nxgep)
1811 {
1812 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_free_mem_pool"));
1813 
1814 	nxge_free_rx_mem_pool(nxgep);
1815 	nxge_free_tx_mem_pool(nxgep);
1816 
1817 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "<== nxge_free_mem_pool"));
1818 }
1819 
1820 static nxge_status_t
1821 nxge_alloc_rx_mem_pool(p_nxge_t nxgep)
1822 {
1823 	int			i, j;
1824 	uint32_t		ndmas, st_rdc;
1825 	p_nxge_dma_pt_cfg_t	p_all_cfgp;
1826 	p_nxge_hw_pt_cfg_t	p_cfgp;
1827 	p_nxge_dma_pool_t	dma_poolp;
1828 	p_nxge_dma_common_t	*dma_buf_p;
1829 	p_nxge_dma_pool_t	dma_cntl_poolp;
1830 	p_nxge_dma_common_t	*dma_cntl_p;
1831 	size_t			rx_buf_alloc_size;
1832 	size_t			rx_cntl_alloc_size;
1833 	uint32_t 		*num_chunks; /* per dma */
1834 	nxge_status_t		status = NXGE_OK;
1835 
1836 	uint32_t		nxge_port_rbr_size;
1837 	uint32_t		nxge_port_rbr_spare_size;
1838 	uint32_t		nxge_port_rcr_size;
1839 
1840 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_mem_pool"));
1841 
1842 	p_all_cfgp = (p_nxge_dma_pt_cfg_t)&nxgep->pt_config;
1843 	p_cfgp = (p_nxge_hw_pt_cfg_t)&p_all_cfgp->hw_config;
1844 	st_rdc = p_cfgp->start_rdc;
1845 	ndmas = p_cfgp->max_rdcs;
1846 
1847 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
1848 		" nxge_alloc_rx_mem_pool st_rdc %d ndmas %d", st_rdc, ndmas));
1849 
1850 	/*
1851 	 * Allocate memory for each receive DMA channel.
1852 	 */
1853 	dma_poolp = (p_nxge_dma_pool_t)KMEM_ZALLOC(sizeof (nxge_dma_pool_t),
1854 			KM_SLEEP);
1855 	dma_buf_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
1856 			sizeof (p_nxge_dma_common_t) * ndmas, KM_SLEEP);
1857 
1858 	dma_cntl_poolp = (p_nxge_dma_pool_t)
1859 				KMEM_ZALLOC(sizeof (nxge_dma_pool_t), KM_SLEEP);
1860 	dma_cntl_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
1861 			sizeof (p_nxge_dma_common_t) * ndmas, KM_SLEEP);
1862 
1863 	num_chunks = (uint32_t *)KMEM_ZALLOC(
1864 			sizeof (uint32_t) * ndmas, KM_SLEEP);
1865 
1866 	/*
1867 	 * Assume that each DMA channel will be configured with default
1868 	 * block size.
1869 	 * rbr block counts are mod of batch count (16).
1870 	 */
1871 	nxge_port_rbr_size = p_all_cfgp->rbr_size;
1872 	nxge_port_rcr_size = p_all_cfgp->rcr_size;
1873 
1874 	if (!nxge_port_rbr_size) {
1875 		nxge_port_rbr_size = NXGE_RBR_RBB_DEFAULT;
1876 	}
1877 	if (nxge_port_rbr_size % NXGE_RXDMA_POST_BATCH) {
1878 		nxge_port_rbr_size = (NXGE_RXDMA_POST_BATCH *
1879 			(nxge_port_rbr_size / NXGE_RXDMA_POST_BATCH + 1));
1880 	}
1881 
1882 	p_all_cfgp->rbr_size = nxge_port_rbr_size;
1883 	nxge_port_rbr_spare_size = nxge_rbr_spare_size;
1884 
1885 	if (nxge_port_rbr_spare_size % NXGE_RXDMA_POST_BATCH) {
1886 		nxge_port_rbr_spare_size = (NXGE_RXDMA_POST_BATCH *
1887 			(nxge_port_rbr_spare_size / NXGE_RXDMA_POST_BATCH + 1));
1888 	}
1889 
1890 	/*
1891 	 * N2/NIU has limitation on the descriptor sizes (contiguous
1892 	 * memory allocation on data buffers to 4M (contig_mem_alloc)
1893 	 * and little endian for control buffers (must use the ddi/dki mem alloc
1894 	 * function).
1895 	 */
1896 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
1897 	if (nxgep->niu_type == N2_NIU) {
1898 		nxge_port_rbr_spare_size = 0;
1899 		if ((nxge_port_rbr_size > NXGE_NIU_CONTIG_RBR_MAX) ||
1900 				(!ISP2(nxge_port_rbr_size))) {
1901 			nxge_port_rbr_size = NXGE_NIU_CONTIG_RBR_MAX;
1902 		}
1903 		if ((nxge_port_rcr_size > NXGE_NIU_CONTIG_RCR_MAX) ||
1904 				(!ISP2(nxge_port_rcr_size))) {
1905 			nxge_port_rcr_size = NXGE_NIU_CONTIG_RCR_MAX;
1906 		}
1907 	}
1908 #endif
1909 
1910 	rx_buf_alloc_size = (nxgep->rx_default_block_size *
1911 		(nxge_port_rbr_size + nxge_port_rbr_spare_size));
1912 
1913 	/*
1914 	 * Addresses of receive block ring, receive completion ring and the
1915 	 * mailbox must be all cache-aligned (64 bytes).
1916 	 */
1917 	rx_cntl_alloc_size = nxge_port_rbr_size + nxge_port_rbr_spare_size;
1918 	rx_cntl_alloc_size *= (sizeof (rx_desc_t));
1919 	rx_cntl_alloc_size += (sizeof (rcr_entry_t) * nxge_port_rcr_size);
1920 	rx_cntl_alloc_size += sizeof (rxdma_mailbox_t);
1921 
1922 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_alloc_rx_mem_pool: "
1923 		"nxge_port_rbr_size = %d nxge_port_rbr_spare_size = %d "
1924 		"nxge_port_rcr_size = %d "
1925 		"rx_cntl_alloc_size = %d",
1926 		nxge_port_rbr_size, nxge_port_rbr_spare_size,
1927 		nxge_port_rcr_size,
1928 		rx_cntl_alloc_size));
1929 
1930 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
1931 	if (nxgep->niu_type == N2_NIU) {
1932 		if (!ISP2(rx_buf_alloc_size)) {
1933 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1934 				"==> nxge_alloc_rx_mem_pool: "
1935 				" must be power of 2"));
1936 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1937 			goto nxge_alloc_rx_mem_pool_exit;
1938 		}
1939 
1940 		if (rx_buf_alloc_size > (1 << 22)) {
1941 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1942 				"==> nxge_alloc_rx_mem_pool: "
1943 				" limit size to 4M"));
1944 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1945 			goto nxge_alloc_rx_mem_pool_exit;
1946 		}
1947 
1948 		if (rx_cntl_alloc_size < 0x2000) {
1949 			rx_cntl_alloc_size = 0x2000;
1950 		}
1951 	}
1952 #endif
1953 	nxgep->nxge_port_rbr_size = nxge_port_rbr_size;
1954 	nxgep->nxge_port_rcr_size = nxge_port_rcr_size;
1955 
1956 	/*
1957 	 * Allocate memory for receive buffers and descriptor rings.
1958 	 * Replace allocation functions with interface functions provided
1959 	 * by the partition manager when it is available.
1960 	 */
1961 	/*
1962 	 * Allocate memory for the receive buffer blocks.
1963 	 */
1964 	for (i = 0; i < ndmas; i++) {
1965 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
1966 			" nxge_alloc_rx_mem_pool to alloc mem: "
1967 			" dma %d dma_buf_p %llx &dma_buf_p %llx",
1968 			i, dma_buf_p[i], &dma_buf_p[i]));
1969 		num_chunks[i] = 0;
1970 		status = nxge_alloc_rx_buf_dma(nxgep, st_rdc, &dma_buf_p[i],
1971 				rx_buf_alloc_size,
1972 				nxgep->rx_default_block_size, &num_chunks[i]);
1973 		if (status != NXGE_OK) {
1974 			break;
1975 		}
1976 		st_rdc++;
1977 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
1978 			" nxge_alloc_rx_mem_pool DONE  alloc mem: "
1979 			"dma %d dma_buf_p %llx &dma_buf_p %llx", i,
1980 			dma_buf_p[i], &dma_buf_p[i]));
1981 	}
1982 	if (i < ndmas) {
1983 		goto nxge_alloc_rx_mem_fail1;
1984 	}
1985 	/*
1986 	 * Allocate memory for descriptor rings and mailbox.
1987 	 */
1988 	st_rdc = p_cfgp->start_rdc;
1989 	for (j = 0; j < ndmas; j++) {
1990 		status = nxge_alloc_rx_cntl_dma(nxgep, st_rdc, &dma_cntl_p[j],
1991 					rx_cntl_alloc_size);
1992 		if (status != NXGE_OK) {
1993 			break;
1994 		}
1995 		st_rdc++;
1996 	}
1997 	if (j < ndmas) {
1998 		goto nxge_alloc_rx_mem_fail2;
1999 	}
2000 
2001 	dma_poolp->ndmas = ndmas;
2002 	dma_poolp->num_chunks = num_chunks;
2003 	dma_poolp->buf_allocated = B_TRUE;
2004 	nxgep->rx_buf_pool_p = dma_poolp;
2005 	dma_poolp->dma_buf_pool_p = dma_buf_p;
2006 
2007 	dma_cntl_poolp->ndmas = ndmas;
2008 	dma_cntl_poolp->buf_allocated = B_TRUE;
2009 	nxgep->rx_cntl_pool_p = dma_cntl_poolp;
2010 	dma_cntl_poolp->dma_buf_pool_p = dma_cntl_p;
2011 
2012 	goto nxge_alloc_rx_mem_pool_exit;
2013 
2014 nxge_alloc_rx_mem_fail2:
2015 	/* Free control buffers */
2016 	j--;
2017 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2018 		"==> nxge_alloc_rx_mem_pool: freeing control bufs (%d)", j));
2019 	for (; j >= 0; j--) {
2020 		nxge_free_rx_cntl_dma(nxgep,
2021 			(p_nxge_dma_common_t)dma_cntl_p[j]);
2022 		NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2023 			"==> nxge_alloc_rx_mem_pool: control bufs freed (%d)",
2024 			j));
2025 	}
2026 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2027 		"==> nxge_alloc_rx_mem_pool: control bufs freed (%d)", j));
2028 
2029 nxge_alloc_rx_mem_fail1:
2030 	/* Free data buffers */
2031 	i--;
2032 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2033 		"==> nxge_alloc_rx_mem_pool: freeing data bufs (%d)", i));
2034 	for (; i >= 0; i--) {
2035 		nxge_free_rx_buf_dma(nxgep, (p_nxge_dma_common_t)dma_buf_p[i],
2036 			num_chunks[i]);
2037 	}
2038 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2039 		"==> nxge_alloc_rx_mem_pool: data bufs freed (%d)", i));
2040 
2041 	KMEM_FREE(num_chunks, sizeof (uint32_t) * ndmas);
2042 	KMEM_FREE(dma_poolp, sizeof (nxge_dma_pool_t));
2043 	KMEM_FREE(dma_buf_p, ndmas * sizeof (p_nxge_dma_common_t));
2044 	KMEM_FREE(dma_cntl_poolp, sizeof (nxge_dma_pool_t));
2045 	KMEM_FREE(dma_cntl_p, ndmas * sizeof (p_nxge_dma_common_t));
2046 
2047 nxge_alloc_rx_mem_pool_exit:
2048 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2049 		"<== nxge_alloc_rx_mem_pool:status 0x%08x", status));
2050 
2051 	return (status);
2052 }
2053 
2054 static void
2055 nxge_free_rx_mem_pool(p_nxge_t nxgep)
2056 {
2057 	uint32_t		i, ndmas;
2058 	p_nxge_dma_pool_t	dma_poolp;
2059 	p_nxge_dma_common_t	*dma_buf_p;
2060 	p_nxge_dma_pool_t	dma_cntl_poolp;
2061 	p_nxge_dma_common_t	*dma_cntl_p;
2062 	uint32_t 		*num_chunks;
2063 
2064 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_rx_mem_pool"));
2065 
2066 	dma_poolp = nxgep->rx_buf_pool_p;
2067 	if (dma_poolp == NULL || (!dma_poolp->buf_allocated)) {
2068 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2069 			"<== nxge_free_rx_mem_pool "
2070 			"(null rx buf pool or buf not allocated"));
2071 		return;
2072 	}
2073 
2074 	dma_cntl_poolp = nxgep->rx_cntl_pool_p;
2075 	if (dma_cntl_poolp == NULL || (!dma_cntl_poolp->buf_allocated)) {
2076 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2077 			"<== nxge_free_rx_mem_pool "
2078 			"(null rx cntl buf pool or cntl buf not allocated"));
2079 		return;
2080 	}
2081 
2082 	dma_buf_p = dma_poolp->dma_buf_pool_p;
2083 	num_chunks = dma_poolp->num_chunks;
2084 
2085 	dma_cntl_p = dma_cntl_poolp->dma_buf_pool_p;
2086 	ndmas = dma_cntl_poolp->ndmas;
2087 
2088 	for (i = 0; i < ndmas; i++) {
2089 		nxge_free_rx_buf_dma(nxgep, dma_buf_p[i], num_chunks[i]);
2090 	}
2091 
2092 	for (i = 0; i < ndmas; i++) {
2093 		nxge_free_rx_cntl_dma(nxgep, dma_cntl_p[i]);
2094 	}
2095 
2096 	for (i = 0; i < ndmas; i++) {
2097 		KMEM_FREE(dma_buf_p[i],
2098 			sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2099 		KMEM_FREE(dma_cntl_p[i], sizeof (nxge_dma_common_t));
2100 	}
2101 
2102 	KMEM_FREE(num_chunks, sizeof (uint32_t) * ndmas);
2103 	KMEM_FREE(dma_cntl_p, ndmas * sizeof (p_nxge_dma_common_t));
2104 	KMEM_FREE(dma_cntl_poolp, sizeof (nxge_dma_pool_t));
2105 	KMEM_FREE(dma_buf_p, ndmas * sizeof (p_nxge_dma_common_t));
2106 	KMEM_FREE(dma_poolp, sizeof (nxge_dma_pool_t));
2107 
2108 	nxgep->rx_buf_pool_p = NULL;
2109 	nxgep->rx_cntl_pool_p = NULL;
2110 
2111 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "<== nxge_free_rx_mem_pool"));
2112 }
2113 
2114 
2115 static nxge_status_t
2116 nxge_alloc_rx_buf_dma(p_nxge_t nxgep, uint16_t dma_channel,
2117 	p_nxge_dma_common_t *dmap,
2118 	size_t alloc_size, size_t block_size, uint32_t *num_chunks)
2119 {
2120 	p_nxge_dma_common_t 	rx_dmap;
2121 	nxge_status_t		status = NXGE_OK;
2122 	size_t			total_alloc_size;
2123 	size_t			allocated = 0;
2124 	int			i, size_index, array_size;
2125 
2126 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_buf_dma"));
2127 
2128 	rx_dmap = (p_nxge_dma_common_t)
2129 			KMEM_ZALLOC(sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK,
2130 			KM_SLEEP);
2131 
2132 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2133 		" alloc_rx_buf_dma rdc %d asize %x bsize %x bbuf %llx ",
2134 		dma_channel, alloc_size, block_size, dmap));
2135 
2136 	total_alloc_size = alloc_size;
2137 
2138 #if defined(RX_USE_RECLAIM_POST)
2139 	total_alloc_size = alloc_size + alloc_size/4;
2140 #endif
2141 
2142 	i = 0;
2143 	size_index = 0;
2144 	array_size =  sizeof (alloc_sizes)/sizeof (size_t);
2145 	while ((alloc_sizes[size_index] < alloc_size) &&
2146 			(size_index < array_size))
2147 			size_index++;
2148 	if (size_index >= array_size) {
2149 		size_index = array_size - 1;
2150 	}
2151 
2152 	while ((allocated < total_alloc_size) &&
2153 			(size_index >= 0) && (i < NXGE_DMA_BLOCK)) {
2154 		rx_dmap[i].dma_chunk_index = i;
2155 		rx_dmap[i].block_size = block_size;
2156 		rx_dmap[i].alength = alloc_sizes[size_index];
2157 		rx_dmap[i].orig_alength = rx_dmap[i].alength;
2158 		rx_dmap[i].nblocks = alloc_sizes[size_index] / block_size;
2159 		rx_dmap[i].dma_channel = dma_channel;
2160 		rx_dmap[i].contig_alloc_type = B_FALSE;
2161 
2162 		/*
2163 		 * N2/NIU: data buffers must be contiguous as the driver
2164 		 *	   needs to call Hypervisor api to set up
2165 		 *	   logical pages.
2166 		 */
2167 		if ((nxgep->niu_type == N2_NIU) && (NXGE_DMA_BLOCK == 1)) {
2168 			rx_dmap[i].contig_alloc_type = B_TRUE;
2169 		}
2170 
2171 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2172 			"alloc_rx_buf_dma rdc %d chunk %d bufp %llx size %x "
2173 			"i %d nblocks %d alength %d",
2174 			dma_channel, i, &rx_dmap[i], block_size,
2175 			i, rx_dmap[i].nblocks,
2176 			rx_dmap[i].alength));
2177 		status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2178 			&nxge_rx_dma_attr,
2179 			rx_dmap[i].alength,
2180 			&nxge_dev_buf_dma_acc_attr,
2181 			DDI_DMA_READ | DDI_DMA_STREAMING,
2182 			(p_nxge_dma_common_t)(&rx_dmap[i]));
2183 		if (status != NXGE_OK) {
2184 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2185 				" nxge_alloc_rx_buf_dma: Alloc Failed "));
2186 			size_index--;
2187 		} else {
2188 			NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2189 				" alloc_rx_buf_dma allocated rdc %d "
2190 				"chunk %d size %x dvma %x bufp %llx ",
2191 				dma_channel, i, rx_dmap[i].alength,
2192 				rx_dmap[i].ioaddr_pp, &rx_dmap[i]));
2193 			i++;
2194 			allocated += alloc_sizes[size_index];
2195 		}
2196 	}
2197 
2198 
2199 	if (allocated < total_alloc_size) {
2200 		goto nxge_alloc_rx_mem_fail1;
2201 	}
2202 
2203 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2204 		" alloc_rx_buf_dma rdc %d allocated %d chunks",
2205 		dma_channel, i));
2206 	*num_chunks = i;
2207 	*dmap = rx_dmap;
2208 
2209 	goto nxge_alloc_rx_mem_exit;
2210 
2211 nxge_alloc_rx_mem_fail1:
2212 	KMEM_FREE(rx_dmap, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2213 
2214 nxge_alloc_rx_mem_exit:
2215 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2216 		"<== nxge_alloc_rx_buf_dma status 0x%08x", status));
2217 
2218 	return (status);
2219 }
2220 
2221 /*ARGSUSED*/
2222 static void
2223 nxge_free_rx_buf_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap,
2224     uint32_t num_chunks)
2225 {
2226 	int		i;
2227 
2228 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2229 		"==> nxge_free_rx_buf_dma: # of chunks %d", num_chunks));
2230 
2231 	for (i = 0; i < num_chunks; i++) {
2232 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2233 			"==> nxge_free_rx_buf_dma: chunk %d dmap 0x%llx",
2234 				i, dmap));
2235 		nxge_dma_mem_free(dmap++);
2236 	}
2237 
2238 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_rx_buf_dma"));
2239 }
2240 
2241 /*ARGSUSED*/
2242 static nxge_status_t
2243 nxge_alloc_rx_cntl_dma(p_nxge_t nxgep, uint16_t dma_channel,
2244     p_nxge_dma_common_t *dmap, size_t size)
2245 {
2246 	p_nxge_dma_common_t 	rx_dmap;
2247 	nxge_status_t		status = NXGE_OK;
2248 
2249 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_cntl_dma"));
2250 
2251 	rx_dmap = (p_nxge_dma_common_t)
2252 			KMEM_ZALLOC(sizeof (nxge_dma_common_t), KM_SLEEP);
2253 
2254 	rx_dmap->contig_alloc_type = B_FALSE;
2255 
2256 	status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2257 			&nxge_desc_dma_attr,
2258 			size,
2259 			&nxge_dev_desc_dma_acc_attr,
2260 			DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
2261 			rx_dmap);
2262 	if (status != NXGE_OK) {
2263 		goto nxge_alloc_rx_cntl_dma_fail1;
2264 	}
2265 
2266 	*dmap = rx_dmap;
2267 	goto nxge_alloc_rx_cntl_dma_exit;
2268 
2269 nxge_alloc_rx_cntl_dma_fail1:
2270 	KMEM_FREE(rx_dmap, sizeof (nxge_dma_common_t));
2271 
2272 nxge_alloc_rx_cntl_dma_exit:
2273 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2274 		"<== nxge_alloc_rx_cntl_dma status 0x%08x", status));
2275 
2276 	return (status);
2277 }
2278 
2279 /*ARGSUSED*/
2280 static void
2281 nxge_free_rx_cntl_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap)
2282 {
2283 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_rx_cntl_dma"));
2284 
2285 	nxge_dma_mem_free(dmap);
2286 
2287 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_rx_cntl_dma"));
2288 }
2289 
2290 static nxge_status_t
2291 nxge_alloc_tx_mem_pool(p_nxge_t nxgep)
2292 {
2293 	nxge_status_t		status = NXGE_OK;
2294 	int			i, j;
2295 	uint32_t		ndmas, st_tdc;
2296 	p_nxge_dma_pt_cfg_t	p_all_cfgp;
2297 	p_nxge_hw_pt_cfg_t	p_cfgp;
2298 	p_nxge_dma_pool_t	dma_poolp;
2299 	p_nxge_dma_common_t	*dma_buf_p;
2300 	p_nxge_dma_pool_t	dma_cntl_poolp;
2301 	p_nxge_dma_common_t	*dma_cntl_p;
2302 	size_t			tx_buf_alloc_size;
2303 	size_t			tx_cntl_alloc_size;
2304 	uint32_t		*num_chunks; /* per dma */
2305 	uint32_t		bcopy_thresh;
2306 
2307 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_alloc_tx_mem_pool"));
2308 
2309 	p_all_cfgp = (p_nxge_dma_pt_cfg_t)&nxgep->pt_config;
2310 	p_cfgp = (p_nxge_hw_pt_cfg_t)&p_all_cfgp->hw_config;
2311 	st_tdc = p_cfgp->start_tdc;
2312 	ndmas = p_cfgp->max_tdcs;
2313 
2314 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_alloc_tx_mem_pool: "
2315 		"p_cfgp 0x%016llx start_tdc %d ndmas %d nxgep->max_tdcs %d",
2316 		p_cfgp, p_cfgp->start_tdc, p_cfgp->max_tdcs, nxgep->max_tdcs));
2317 	/*
2318 	 * Allocate memory for each transmit DMA channel.
2319 	 */
2320 	dma_poolp = (p_nxge_dma_pool_t)KMEM_ZALLOC(sizeof (nxge_dma_pool_t),
2321 			KM_SLEEP);
2322 	dma_buf_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2323 			sizeof (p_nxge_dma_common_t) * ndmas, KM_SLEEP);
2324 
2325 	dma_cntl_poolp = (p_nxge_dma_pool_t)
2326 			KMEM_ZALLOC(sizeof (nxge_dma_pool_t), KM_SLEEP);
2327 	dma_cntl_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2328 			sizeof (p_nxge_dma_common_t) * ndmas, KM_SLEEP);
2329 
2330 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2331 	/*
2332 	 * N2/NIU has limitation on the descriptor sizes (contiguous
2333 	 * memory allocation on data buffers to 4M (contig_mem_alloc)
2334 	 * and little endian for control buffers (must use the ddi/dki mem alloc
2335 	 * function). The transmit ring is limited to 8K (includes the
2336 	 * mailbox).
2337 	 */
2338 	if (nxgep->niu_type == N2_NIU) {
2339 		if ((nxge_tx_ring_size > NXGE_NIU_CONTIG_TX_MAX) ||
2340 			(!ISP2(nxge_tx_ring_size))) {
2341 			nxge_tx_ring_size = NXGE_NIU_CONTIG_TX_MAX;
2342 		}
2343 	}
2344 #endif
2345 
2346 	nxgep->nxge_port_tx_ring_size = nxge_tx_ring_size;
2347 
2348 	/*
2349 	 * Assume that each DMA channel will be configured with default
2350 	 * transmit bufer size for copying transmit data.
2351 	 * (For packet payload over this limit, packets will not be
2352 	 *  copied.)
2353 	 */
2354 	if (nxgep->niu_type == N2_NIU) {
2355 		bcopy_thresh = TX_BCOPY_SIZE;
2356 	} else {
2357 		bcopy_thresh = nxge_bcopy_thresh;
2358 	}
2359 	tx_buf_alloc_size = (bcopy_thresh * nxge_tx_ring_size);
2360 
2361 	/*
2362 	 * Addresses of transmit descriptor ring and the
2363 	 * mailbox must be all cache-aligned (64 bytes).
2364 	 */
2365 	tx_cntl_alloc_size = nxge_tx_ring_size;
2366 	tx_cntl_alloc_size *= (sizeof (tx_desc_t));
2367 	tx_cntl_alloc_size += sizeof (txdma_mailbox_t);
2368 
2369 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2370 	if (nxgep->niu_type == N2_NIU) {
2371 		if (!ISP2(tx_buf_alloc_size)) {
2372 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2373 				"==> nxge_alloc_tx_mem_pool: "
2374 				" must be power of 2"));
2375 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2376 			goto nxge_alloc_tx_mem_pool_exit;
2377 		}
2378 
2379 		if (tx_buf_alloc_size > (1 << 22)) {
2380 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2381 				"==> nxge_alloc_tx_mem_pool: "
2382 				" limit size to 4M"));
2383 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2384 			goto nxge_alloc_tx_mem_pool_exit;
2385 		}
2386 
2387 		if (tx_cntl_alloc_size < 0x2000) {
2388 			tx_cntl_alloc_size = 0x2000;
2389 		}
2390 	}
2391 #endif
2392 
2393 	num_chunks = (uint32_t *)KMEM_ZALLOC(
2394 			sizeof (uint32_t) * ndmas, KM_SLEEP);
2395 
2396 	/*
2397 	 * Allocate memory for transmit buffers and descriptor rings.
2398 	 * Replace allocation functions with interface functions provided
2399 	 * by the partition manager when it is available.
2400 	 *
2401 	 * Allocate memory for the transmit buffer pool.
2402 	 */
2403 	for (i = 0; i < ndmas; i++) {
2404 		num_chunks[i] = 0;
2405 		status = nxge_alloc_tx_buf_dma(nxgep, st_tdc, &dma_buf_p[i],
2406 					tx_buf_alloc_size,
2407 					bcopy_thresh, &num_chunks[i]);
2408 		if (status != NXGE_OK) {
2409 			break;
2410 		}
2411 		st_tdc++;
2412 	}
2413 	if (i < ndmas) {
2414 		goto nxge_alloc_tx_mem_pool_fail1;
2415 	}
2416 
2417 	st_tdc = p_cfgp->start_tdc;
2418 	/*
2419 	 * Allocate memory for descriptor rings and mailbox.
2420 	 */
2421 	for (j = 0; j < ndmas; j++) {
2422 		status = nxge_alloc_tx_cntl_dma(nxgep, st_tdc, &dma_cntl_p[j],
2423 					tx_cntl_alloc_size);
2424 		if (status != NXGE_OK) {
2425 			break;
2426 		}
2427 		st_tdc++;
2428 	}
2429 	if (j < ndmas) {
2430 		goto nxge_alloc_tx_mem_pool_fail2;
2431 	}
2432 
2433 	dma_poolp->ndmas = ndmas;
2434 	dma_poolp->num_chunks = num_chunks;
2435 	dma_poolp->buf_allocated = B_TRUE;
2436 	dma_poolp->dma_buf_pool_p = dma_buf_p;
2437 	nxgep->tx_buf_pool_p = dma_poolp;
2438 
2439 	dma_cntl_poolp->ndmas = ndmas;
2440 	dma_cntl_poolp->buf_allocated = B_TRUE;
2441 	dma_cntl_poolp->dma_buf_pool_p = dma_cntl_p;
2442 	nxgep->tx_cntl_pool_p = dma_cntl_poolp;
2443 
2444 	NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2445 		"==> nxge_alloc_tx_mem_pool: start_tdc %d "
2446 		"ndmas %d poolp->ndmas %d",
2447 		st_tdc, ndmas, dma_poolp->ndmas));
2448 
2449 	goto nxge_alloc_tx_mem_pool_exit;
2450 
2451 nxge_alloc_tx_mem_pool_fail2:
2452 	/* Free control buffers */
2453 	j--;
2454 	for (; j >= 0; j--) {
2455 		nxge_free_tx_cntl_dma(nxgep,
2456 			(p_nxge_dma_common_t)dma_cntl_p[j]);
2457 	}
2458 
2459 nxge_alloc_tx_mem_pool_fail1:
2460 	/* Free data buffers */
2461 	i--;
2462 	for (; i >= 0; i--) {
2463 		nxge_free_tx_buf_dma(nxgep, (p_nxge_dma_common_t)dma_buf_p[i],
2464 			num_chunks[i]);
2465 	}
2466 
2467 	KMEM_FREE(dma_poolp, sizeof (nxge_dma_pool_t));
2468 	KMEM_FREE(dma_buf_p, ndmas * sizeof (p_nxge_dma_common_t));
2469 	KMEM_FREE(dma_cntl_poolp, sizeof (nxge_dma_pool_t));
2470 	KMEM_FREE(dma_cntl_p, ndmas * sizeof (p_nxge_dma_common_t));
2471 	KMEM_FREE(num_chunks, sizeof (uint32_t) * ndmas);
2472 
2473 nxge_alloc_tx_mem_pool_exit:
2474 	NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2475 		"<== nxge_alloc_tx_mem_pool:status 0x%08x", status));
2476 
2477 	return (status);
2478 }
2479 
2480 static nxge_status_t
2481 nxge_alloc_tx_buf_dma(p_nxge_t nxgep, uint16_t dma_channel,
2482     p_nxge_dma_common_t *dmap, size_t alloc_size,
2483     size_t block_size, uint32_t *num_chunks)
2484 {
2485 	p_nxge_dma_common_t 	tx_dmap;
2486 	nxge_status_t		status = NXGE_OK;
2487 	size_t			total_alloc_size;
2488 	size_t			allocated = 0;
2489 	int			i, size_index, array_size;
2490 
2491 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tx_buf_dma"));
2492 
2493 	tx_dmap = (p_nxge_dma_common_t)
2494 		KMEM_ZALLOC(sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK,
2495 			KM_SLEEP);
2496 
2497 	total_alloc_size = alloc_size;
2498 	i = 0;
2499 	size_index = 0;
2500 	array_size =  sizeof (alloc_sizes) /  sizeof (size_t);
2501 	while ((alloc_sizes[size_index] < alloc_size) &&
2502 		(size_index < array_size))
2503 		size_index++;
2504 	if (size_index >= array_size) {
2505 		size_index = array_size - 1;
2506 	}
2507 
2508 	while ((allocated < total_alloc_size) &&
2509 			(size_index >= 0) && (i < NXGE_DMA_BLOCK)) {
2510 
2511 		tx_dmap[i].dma_chunk_index = i;
2512 		tx_dmap[i].block_size = block_size;
2513 		tx_dmap[i].alength = alloc_sizes[size_index];
2514 		tx_dmap[i].orig_alength = tx_dmap[i].alength;
2515 		tx_dmap[i].nblocks = alloc_sizes[size_index] / block_size;
2516 		tx_dmap[i].dma_channel = dma_channel;
2517 		tx_dmap[i].contig_alloc_type = B_FALSE;
2518 
2519 		/*
2520 		 * N2/NIU: data buffers must be contiguous as the driver
2521 		 *	   needs to call Hypervisor api to set up
2522 		 *	   logical pages.
2523 		 */
2524 		if ((nxgep->niu_type == N2_NIU) && (NXGE_DMA_BLOCK == 1)) {
2525 			tx_dmap[i].contig_alloc_type = B_TRUE;
2526 		}
2527 
2528 		status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2529 			&nxge_tx_dma_attr,
2530 			tx_dmap[i].alength,
2531 			&nxge_dev_buf_dma_acc_attr,
2532 			DDI_DMA_WRITE | DDI_DMA_STREAMING,
2533 			(p_nxge_dma_common_t)(&tx_dmap[i]));
2534 		if (status != NXGE_OK) {
2535 			size_index--;
2536 		} else {
2537 			i++;
2538 			allocated += alloc_sizes[size_index];
2539 		}
2540 	}
2541 
2542 	if (allocated < total_alloc_size) {
2543 		goto nxge_alloc_tx_mem_fail1;
2544 	}
2545 
2546 	*num_chunks = i;
2547 	*dmap = tx_dmap;
2548 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2549 		"==> nxge_alloc_tx_buf_dma dmap 0x%016llx num chunks %d",
2550 		*dmap, i));
2551 	goto nxge_alloc_tx_mem_exit;
2552 
2553 nxge_alloc_tx_mem_fail1:
2554 	KMEM_FREE(tx_dmap, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2555 
2556 nxge_alloc_tx_mem_exit:
2557 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2558 		"<== nxge_alloc_tx_buf_dma status 0x%08x", status));
2559 
2560 	return (status);
2561 }
2562 
2563 /*ARGSUSED*/
2564 static void
2565 nxge_free_tx_buf_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap,
2566     uint32_t num_chunks)
2567 {
2568 	int		i;
2569 
2570 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_free_tx_buf_dma"));
2571 
2572 	for (i = 0; i < num_chunks; i++) {
2573 		nxge_dma_mem_free(dmap++);
2574 	}
2575 
2576 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "<== nxge_free_tx_buf_dma"));
2577 }
2578 
2579 /*ARGSUSED*/
2580 static nxge_status_t
2581 nxge_alloc_tx_cntl_dma(p_nxge_t nxgep, uint16_t dma_channel,
2582     p_nxge_dma_common_t *dmap, size_t size)
2583 {
2584 	p_nxge_dma_common_t 	tx_dmap;
2585 	nxge_status_t		status = NXGE_OK;
2586 
2587 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tx_cntl_dma"));
2588 	tx_dmap = (p_nxge_dma_common_t)
2589 			KMEM_ZALLOC(sizeof (nxge_dma_common_t), KM_SLEEP);
2590 
2591 	tx_dmap->contig_alloc_type = B_FALSE;
2592 
2593 	status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2594 			&nxge_desc_dma_attr,
2595 			size,
2596 			&nxge_dev_desc_dma_acc_attr,
2597 			DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
2598 			tx_dmap);
2599 	if (status != NXGE_OK) {
2600 		goto nxge_alloc_tx_cntl_dma_fail1;
2601 	}
2602 
2603 	*dmap = tx_dmap;
2604 	goto nxge_alloc_tx_cntl_dma_exit;
2605 
2606 nxge_alloc_tx_cntl_dma_fail1:
2607 	KMEM_FREE(tx_dmap, sizeof (nxge_dma_common_t));
2608 
2609 nxge_alloc_tx_cntl_dma_exit:
2610 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2611 		"<== nxge_alloc_tx_cntl_dma status 0x%08x", status));
2612 
2613 	return (status);
2614 }
2615 
2616 /*ARGSUSED*/
2617 static void
2618 nxge_free_tx_cntl_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap)
2619 {
2620 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_tx_cntl_dma"));
2621 
2622 	nxge_dma_mem_free(dmap);
2623 
2624 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_tx_cntl_dma"));
2625 }
2626 
2627 static void
2628 nxge_free_tx_mem_pool(p_nxge_t nxgep)
2629 {
2630 	uint32_t		i, ndmas;
2631 	p_nxge_dma_pool_t	dma_poolp;
2632 	p_nxge_dma_common_t	*dma_buf_p;
2633 	p_nxge_dma_pool_t	dma_cntl_poolp;
2634 	p_nxge_dma_common_t	*dma_cntl_p;
2635 	uint32_t 		*num_chunks;
2636 
2637 	NXGE_DEBUG_MSG((nxgep, MEM3_CTL, "==> nxge_free_tx_mem_pool"));
2638 
2639 	dma_poolp = nxgep->tx_buf_pool_p;
2640 	if (dma_poolp == NULL || (!dma_poolp->buf_allocated)) {
2641 		NXGE_DEBUG_MSG((nxgep, MEM3_CTL,
2642 			"<== nxge_free_tx_mem_pool "
2643 			"(null rx buf pool or buf not allocated"));
2644 		return;
2645 	}
2646 
2647 	dma_cntl_poolp = nxgep->tx_cntl_pool_p;
2648 	if (dma_cntl_poolp == NULL || (!dma_cntl_poolp->buf_allocated)) {
2649 		NXGE_DEBUG_MSG((nxgep, MEM3_CTL,
2650 			"<== nxge_free_tx_mem_pool "
2651 			"(null tx cntl buf pool or cntl buf not allocated"));
2652 		return;
2653 	}
2654 
2655 	dma_buf_p = dma_poolp->dma_buf_pool_p;
2656 	num_chunks = dma_poolp->num_chunks;
2657 
2658 	dma_cntl_p = dma_cntl_poolp->dma_buf_pool_p;
2659 	ndmas = dma_cntl_poolp->ndmas;
2660 
2661 	for (i = 0; i < ndmas; i++) {
2662 		nxge_free_tx_buf_dma(nxgep, dma_buf_p[i], num_chunks[i]);
2663 	}
2664 
2665 	for (i = 0; i < ndmas; i++) {
2666 		nxge_free_tx_cntl_dma(nxgep, dma_cntl_p[i]);
2667 	}
2668 
2669 	for (i = 0; i < ndmas; i++) {
2670 		KMEM_FREE(dma_buf_p[i],
2671 			sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2672 		KMEM_FREE(dma_cntl_p[i], sizeof (nxge_dma_common_t));
2673 	}
2674 
2675 	KMEM_FREE(num_chunks, sizeof (uint32_t) * ndmas);
2676 	KMEM_FREE(dma_cntl_p, ndmas * sizeof (p_nxge_dma_common_t));
2677 	KMEM_FREE(dma_cntl_poolp, sizeof (nxge_dma_pool_t));
2678 	KMEM_FREE(dma_buf_p, ndmas * sizeof (p_nxge_dma_common_t));
2679 	KMEM_FREE(dma_poolp, sizeof (nxge_dma_pool_t));
2680 
2681 	nxgep->tx_buf_pool_p = NULL;
2682 	nxgep->tx_cntl_pool_p = NULL;
2683 
2684 	NXGE_DEBUG_MSG((nxgep, MEM3_CTL, "<== nxge_free_tx_mem_pool"));
2685 }
2686 
2687 /*ARGSUSED*/
2688 static nxge_status_t
2689 nxge_dma_mem_alloc(p_nxge_t nxgep, dma_method_t method,
2690 	struct ddi_dma_attr *dma_attrp,
2691 	size_t length, ddi_device_acc_attr_t *acc_attr_p, uint_t xfer_flags,
2692 	p_nxge_dma_common_t dma_p)
2693 {
2694 	caddr_t 		kaddrp;
2695 	int			ddi_status = DDI_SUCCESS;
2696 	boolean_t		contig_alloc_type;
2697 
2698 	contig_alloc_type = dma_p->contig_alloc_type;
2699 
2700 	if (contig_alloc_type && (nxgep->niu_type != N2_NIU)) {
2701 		/*
2702 		 * contig_alloc_type for contiguous memory only allowed
2703 		 * for N2/NIU.
2704 		 */
2705 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2706 			"nxge_dma_mem_alloc: alloc type not allows (%d)",
2707 			dma_p->contig_alloc_type));
2708 		return (NXGE_ERROR | NXGE_DDI_FAILED);
2709 	}
2710 
2711 	dma_p->dma_handle = NULL;
2712 	dma_p->acc_handle = NULL;
2713 	dma_p->kaddrp = dma_p->last_kaddrp = NULL;
2714 	dma_p->first_ioaddr_pp = dma_p->last_ioaddr_pp = NULL;
2715 	ddi_status = ddi_dma_alloc_handle(nxgep->dip, dma_attrp,
2716 		DDI_DMA_DONTWAIT, NULL, &dma_p->dma_handle);
2717 	if (ddi_status != DDI_SUCCESS) {
2718 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2719 			"nxge_dma_mem_alloc:ddi_dma_alloc_handle failed."));
2720 		return (NXGE_ERROR | NXGE_DDI_FAILED);
2721 	}
2722 
2723 	switch (contig_alloc_type) {
2724 	case B_FALSE:
2725 		ddi_status = ddi_dma_mem_alloc(dma_p->dma_handle, length,
2726 			acc_attr_p,
2727 			xfer_flags,
2728 			DDI_DMA_DONTWAIT, 0, &kaddrp, &dma_p->alength,
2729 			&dma_p->acc_handle);
2730 		if (ddi_status != DDI_SUCCESS) {
2731 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2732 				"nxge_dma_mem_alloc:ddi_dma_mem_alloc failed"));
2733 			ddi_dma_free_handle(&dma_p->dma_handle);
2734 			dma_p->dma_handle = NULL;
2735 			return (NXGE_ERROR | NXGE_DDI_FAILED);
2736 		}
2737 		if (dma_p->alength < length) {
2738 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2739 				"nxge_dma_mem_alloc:ddi_dma_mem_alloc "
2740 				"< length."));
2741 			ddi_dma_mem_free(&dma_p->acc_handle);
2742 			ddi_dma_free_handle(&dma_p->dma_handle);
2743 			dma_p->acc_handle = NULL;
2744 			dma_p->dma_handle = NULL;
2745 			return (NXGE_ERROR);
2746 		}
2747 
2748 		ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle, NULL,
2749 			kaddrp, dma_p->alength, xfer_flags, DDI_DMA_DONTWAIT, 0,
2750 			&dma_p->dma_cookie, &dma_p->ncookies);
2751 		if (ddi_status != DDI_DMA_MAPPED) {
2752 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2753 				"nxge_dma_mem_alloc:di_dma_addr_bind failed "
2754 				"(staus 0x%x ncookies %d.)", ddi_status,
2755 				dma_p->ncookies));
2756 			if (dma_p->acc_handle) {
2757 				ddi_dma_mem_free(&dma_p->acc_handle);
2758 				dma_p->acc_handle = NULL;
2759 			}
2760 			ddi_dma_free_handle(&dma_p->dma_handle);
2761 			dma_p->dma_handle = NULL;
2762 			return (NXGE_ERROR | NXGE_DDI_FAILED);
2763 		}
2764 
2765 		if (dma_p->ncookies != 1) {
2766 			NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2767 				"nxge_dma_mem_alloc:ddi_dma_addr_bind "
2768 				"> 1 cookie"
2769 				"(staus 0x%x ncookies %d.)", ddi_status,
2770 				dma_p->ncookies));
2771 			if (dma_p->acc_handle) {
2772 				ddi_dma_mem_free(&dma_p->acc_handle);
2773 				dma_p->acc_handle = NULL;
2774 			}
2775 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
2776 			ddi_dma_free_handle(&dma_p->dma_handle);
2777 			dma_p->dma_handle = NULL;
2778 			return (NXGE_ERROR);
2779 		}
2780 		break;
2781 
2782 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2783 	case B_TRUE:
2784 		kaddrp = (caddr_t)contig_mem_alloc(length);
2785 		if (kaddrp == NULL) {
2786 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2787 				"nxge_dma_mem_alloc:contig_mem_alloc failed."));
2788 			ddi_dma_free_handle(&dma_p->dma_handle);
2789 			return (NXGE_ERROR | NXGE_DDI_FAILED);
2790 		}
2791 
2792 		dma_p->alength = length;
2793 		ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle, NULL,
2794 			kaddrp, dma_p->alength, xfer_flags, DDI_DMA_DONTWAIT, 0,
2795 			&dma_p->dma_cookie, &dma_p->ncookies);
2796 		if (ddi_status != DDI_DMA_MAPPED) {
2797 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2798 				"nxge_dma_mem_alloc:di_dma_addr_bind failed "
2799 				"(status 0x%x ncookies %d.)", ddi_status,
2800 				dma_p->ncookies));
2801 
2802 			NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2803 				"==> nxge_dma_mem_alloc: (not mapped)"
2804 				"length %lu (0x%x) "
2805 				"free contig kaddrp $%p "
2806 				"va_to_pa $%p",
2807 				length, length,
2808 				kaddrp,
2809 				va_to_pa(kaddrp)));
2810 
2811 
2812 			contig_mem_free((void *)kaddrp, length);
2813 			ddi_dma_free_handle(&dma_p->dma_handle);
2814 
2815 			dma_p->dma_handle = NULL;
2816 			dma_p->acc_handle = NULL;
2817 			dma_p->alength = NULL;
2818 			dma_p->kaddrp = NULL;
2819 
2820 			return (NXGE_ERROR | NXGE_DDI_FAILED);
2821 		}
2822 
2823 		if (dma_p->ncookies != 1 ||
2824 			(dma_p->dma_cookie.dmac_laddress == NULL)) {
2825 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2826 				"nxge_dma_mem_alloc:di_dma_addr_bind > 1 "
2827 				"cookie or "
2828 				"dmac_laddress is NULL $%p size %d "
2829 				" (status 0x%x ncookies %d.)",
2830 				ddi_status,
2831 				dma_p->dma_cookie.dmac_laddress,
2832 				dma_p->dma_cookie.dmac_size,
2833 				dma_p->ncookies));
2834 
2835 			contig_mem_free((void *)kaddrp, length);
2836 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
2837 			ddi_dma_free_handle(&dma_p->dma_handle);
2838 
2839 			dma_p->alength = 0;
2840 			dma_p->dma_handle = NULL;
2841 			dma_p->acc_handle = NULL;
2842 			dma_p->kaddrp = NULL;
2843 
2844 			return (NXGE_ERROR | NXGE_DDI_FAILED);
2845 		}
2846 		break;
2847 
2848 #else
2849 	case B_TRUE:
2850 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2851 			"nxge_dma_mem_alloc: invalid alloc type for !sun4v"));
2852 		return (NXGE_ERROR | NXGE_DDI_FAILED);
2853 #endif
2854 	}
2855 
2856 	dma_p->kaddrp = kaddrp;
2857 	dma_p->last_kaddrp = (unsigned char *)kaddrp +
2858 			dma_p->alength - RXBUF_64B_ALIGNED;
2859 	dma_p->ioaddr_pp = (unsigned char *)dma_p->dma_cookie.dmac_laddress;
2860 	dma_p->last_ioaddr_pp =
2861 		(unsigned char *)dma_p->dma_cookie.dmac_laddress +
2862 				dma_p->alength - RXBUF_64B_ALIGNED;
2863 
2864 	NPI_DMA_ACC_HANDLE_SET(dma_p, dma_p->acc_handle);
2865 
2866 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2867 	dma_p->orig_ioaddr_pp =
2868 		(unsigned char *)dma_p->dma_cookie.dmac_laddress;
2869 	dma_p->orig_alength = length;
2870 	dma_p->orig_kaddrp = kaddrp;
2871 	dma_p->orig_vatopa = (uint64_t)va_to_pa(kaddrp);
2872 #endif
2873 
2874 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_dma_mem_alloc: "
2875 		"dma buffer allocated: dma_p $%p "
2876 		"return dmac_ladress from cookie $%p cookie dmac_size %d "
2877 		"dma_p->ioaddr_p $%p "
2878 		"dma_p->orig_ioaddr_p $%p "
2879 		"orig_vatopa $%p "
2880 		"alength %d (0x%x) "
2881 		"kaddrp $%p "
2882 		"length %d (0x%x)",
2883 		dma_p,
2884 		dma_p->dma_cookie.dmac_laddress, dma_p->dma_cookie.dmac_size,
2885 		dma_p->ioaddr_pp,
2886 		dma_p->orig_ioaddr_pp,
2887 		dma_p->orig_vatopa,
2888 		dma_p->alength, dma_p->alength,
2889 		kaddrp,
2890 		length, length));
2891 
2892 	return (NXGE_OK);
2893 }
2894 
2895 static void
2896 nxge_dma_mem_free(p_nxge_dma_common_t dma_p)
2897 {
2898 	if (dma_p->dma_handle != NULL) {
2899 		if (dma_p->ncookies) {
2900 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
2901 			dma_p->ncookies = 0;
2902 		}
2903 		ddi_dma_free_handle(&dma_p->dma_handle);
2904 		dma_p->dma_handle = NULL;
2905 	}
2906 
2907 	if (dma_p->acc_handle != NULL) {
2908 		ddi_dma_mem_free(&dma_p->acc_handle);
2909 		dma_p->acc_handle = NULL;
2910 		NPI_DMA_ACC_HANDLE_SET(dma_p, NULL);
2911 	}
2912 
2913 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2914 	if (dma_p->contig_alloc_type &&
2915 			dma_p->orig_kaddrp && dma_p->orig_alength) {
2916 		NXGE_DEBUG_MSG((NULL, DMA_CTL, "nxge_dma_mem_free: "
2917 			"kaddrp $%p (orig_kaddrp $%p)"
2918 			"mem type %d ",
2919 			"orig_alength %d "
2920 			"alength 0x%x (%d)",
2921 			dma_p->kaddrp,
2922 			dma_p->orig_kaddrp,
2923 			dma_p->contig_alloc_type,
2924 			dma_p->orig_alength,
2925 			dma_p->alength, dma_p->alength));
2926 
2927 		contig_mem_free(dma_p->orig_kaddrp, dma_p->orig_alength);
2928 		dma_p->orig_alength = NULL;
2929 		dma_p->orig_kaddrp = NULL;
2930 		dma_p->contig_alloc_type = B_FALSE;
2931 	}
2932 #endif
2933 	dma_p->kaddrp = NULL;
2934 	dma_p->alength = NULL;
2935 }
2936 
2937 /*
2938  *	nxge_m_start() -- start transmitting and receiving.
2939  *
2940  *	This function is called by the MAC layer when the first
2941  *	stream is open to prepare the hardware ready for sending
2942  *	and transmitting packets.
2943  */
2944 static int
2945 nxge_m_start(void *arg)
2946 {
2947 	p_nxge_t 	nxgep = (p_nxge_t)arg;
2948 
2949 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_start"));
2950 
2951 	MUTEX_ENTER(nxgep->genlock);
2952 	if (nxge_init(nxgep) != NXGE_OK) {
2953 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2954 			"<== nxge_m_start: initialization failed"));
2955 		MUTEX_EXIT(nxgep->genlock);
2956 		return (EIO);
2957 	}
2958 
2959 	if (nxgep->nxge_mac_state == NXGE_MAC_STARTED)
2960 		goto nxge_m_start_exit;
2961 	/*
2962 	 * Start timer to check the system error and tx hangs
2963 	 */
2964 	nxgep->nxge_timerid = nxge_start_timer(nxgep, nxge_check_hw_state,
2965 		NXGE_CHECK_TIMER);
2966 
2967 	nxgep->link_notify = B_TRUE;
2968 
2969 	nxgep->nxge_mac_state = NXGE_MAC_STARTED;
2970 
2971 nxge_m_start_exit:
2972 	MUTEX_EXIT(nxgep->genlock);
2973 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_start"));
2974 	return (0);
2975 }
2976 
2977 /*
2978  *	nxge_m_stop(): stop transmitting and receiving.
2979  */
2980 static void
2981 nxge_m_stop(void *arg)
2982 {
2983 	p_nxge_t 	nxgep = (p_nxge_t)arg;
2984 
2985 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_stop"));
2986 
2987 	if (nxgep->nxge_timerid) {
2988 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
2989 		nxgep->nxge_timerid = 0;
2990 	}
2991 
2992 	MUTEX_ENTER(nxgep->genlock);
2993 	nxge_uninit(nxgep);
2994 
2995 	nxgep->nxge_mac_state = NXGE_MAC_STOPPED;
2996 
2997 	MUTEX_EXIT(nxgep->genlock);
2998 
2999 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_stop"));
3000 }
3001 
3002 static int
3003 nxge_m_unicst(void *arg, const uint8_t *macaddr)
3004 {
3005 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3006 	struct 		ether_addr addrp;
3007 
3008 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "==> nxge_m_unicst"));
3009 
3010 	bcopy(macaddr, (uint8_t *)&addrp, ETHERADDRL);
3011 	if (nxge_set_mac_addr(nxgep, &addrp)) {
3012 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3013 			"<== nxge_m_unicst: set unitcast failed"));
3014 		return (EINVAL);
3015 	}
3016 
3017 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "<== nxge_m_unicst"));
3018 
3019 	return (0);
3020 }
3021 
3022 static int
3023 nxge_m_multicst(void *arg, boolean_t add, const uint8_t *mca)
3024 {
3025 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3026 	struct 		ether_addr addrp;
3027 
3028 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3029 		"==> nxge_m_multicst: add %d", add));
3030 
3031 	bcopy(mca, (uint8_t *)&addrp, ETHERADDRL);
3032 	if (add) {
3033 		if (nxge_add_mcast_addr(nxgep, &addrp)) {
3034 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3035 				"<== nxge_m_multicst: add multicast failed"));
3036 			return (EINVAL);
3037 		}
3038 	} else {
3039 		if (nxge_del_mcast_addr(nxgep, &addrp)) {
3040 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3041 				"<== nxge_m_multicst: del multicast failed"));
3042 			return (EINVAL);
3043 		}
3044 	}
3045 
3046 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "<== nxge_m_multicst"));
3047 
3048 	return (0);
3049 }
3050 
3051 static int
3052 nxge_m_promisc(void *arg, boolean_t on)
3053 {
3054 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3055 
3056 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3057 		"==> nxge_m_promisc: on %d", on));
3058 
3059 	if (nxge_set_promisc(nxgep, on)) {
3060 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3061 			"<== nxge_m_promisc: set promisc failed"));
3062 		return (EINVAL);
3063 	}
3064 
3065 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3066 		"<== nxge_m_promisc: on %d", on));
3067 
3068 	return (0);
3069 }
3070 
3071 static void
3072 nxge_m_ioctl(void *arg,  queue_t *wq, mblk_t *mp)
3073 {
3074 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3075 	struct 		iocblk *iocp;
3076 	boolean_t 	need_privilege;
3077 	int 		err;
3078 	int 		cmd;
3079 
3080 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_ioctl"));
3081 
3082 	iocp = (struct iocblk *)mp->b_rptr;
3083 	iocp->ioc_error = 0;
3084 	need_privilege = B_TRUE;
3085 	cmd = iocp->ioc_cmd;
3086 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_ioctl: cmd 0x%08x", cmd));
3087 	switch (cmd) {
3088 	default:
3089 		miocnak(wq, mp, 0, EINVAL);
3090 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_ioctl: invalid"));
3091 		return;
3092 
3093 	case LB_GET_INFO_SIZE:
3094 	case LB_GET_INFO:
3095 	case LB_GET_MODE:
3096 		need_privilege = B_FALSE;
3097 		break;
3098 	case LB_SET_MODE:
3099 		break;
3100 
3101 	case ND_GET:
3102 		need_privilege = B_FALSE;
3103 		break;
3104 	case ND_SET:
3105 		break;
3106 
3107 	case NXGE_GET_MII:
3108 	case NXGE_PUT_MII:
3109 	case NXGE_GET64:
3110 	case NXGE_PUT64:
3111 	case NXGE_GET_TX_RING_SZ:
3112 	case NXGE_GET_TX_DESC:
3113 	case NXGE_TX_SIDE_RESET:
3114 	case NXGE_RX_SIDE_RESET:
3115 	case NXGE_GLOBAL_RESET:
3116 	case NXGE_RESET_MAC:
3117 	case NXGE_TX_REGS_DUMP:
3118 	case NXGE_RX_REGS_DUMP:
3119 	case NXGE_INT_REGS_DUMP:
3120 	case NXGE_VIR_INT_REGS_DUMP:
3121 	case NXGE_PUT_TCAM:
3122 	case NXGE_GET_TCAM:
3123 	case NXGE_RTRACE:
3124 	case NXGE_RDUMP:
3125 
3126 		need_privilege = B_FALSE;
3127 		break;
3128 	case NXGE_INJECT_ERR:
3129 		cmn_err(CE_NOTE, "!nxge_m_ioctl: Inject error\n");
3130 		nxge_err_inject(nxgep, wq, mp);
3131 		break;
3132 	}
3133 
3134 	if (need_privilege) {
3135 		err = secpolicy_net_config(iocp->ioc_cr, B_FALSE);
3136 		if (err != 0) {
3137 			miocnak(wq, mp, 0, err);
3138 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3139 				"<== nxge_m_ioctl: no priv"));
3140 			return;
3141 		}
3142 	}
3143 
3144 	switch (cmd) {
3145 	case ND_GET:
3146 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "ND_GET command"));
3147 	case ND_SET:
3148 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "ND_SET command"));
3149 		nxge_param_ioctl(nxgep, wq, mp, iocp);
3150 		break;
3151 
3152 	case LB_GET_MODE:
3153 	case LB_SET_MODE:
3154 	case LB_GET_INFO_SIZE:
3155 	case LB_GET_INFO:
3156 		nxge_loopback_ioctl(nxgep, wq, mp, iocp);
3157 		break;
3158 
3159 	case NXGE_GET_MII:
3160 	case NXGE_PUT_MII:
3161 	case NXGE_PUT_TCAM:
3162 	case NXGE_GET_TCAM:
3163 	case NXGE_GET64:
3164 	case NXGE_PUT64:
3165 	case NXGE_GET_TX_RING_SZ:
3166 	case NXGE_GET_TX_DESC:
3167 	case NXGE_TX_SIDE_RESET:
3168 	case NXGE_RX_SIDE_RESET:
3169 	case NXGE_GLOBAL_RESET:
3170 	case NXGE_RESET_MAC:
3171 	case NXGE_TX_REGS_DUMP:
3172 	case NXGE_RX_REGS_DUMP:
3173 	case NXGE_INT_REGS_DUMP:
3174 	case NXGE_VIR_INT_REGS_DUMP:
3175 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
3176 			"==> nxge_m_ioctl: cmd 0x%x", cmd));
3177 		nxge_hw_ioctl(nxgep, wq, mp, iocp);
3178 		break;
3179 	}
3180 
3181 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_ioctl"));
3182 }
3183 
3184 extern void nxge_rx_hw_blank(void *arg, time_t ticks, uint_t count);
3185 
3186 static void
3187 nxge_m_resources(void *arg)
3188 {
3189 	p_nxge_t		nxgep = arg;
3190 	mac_rx_fifo_t 		mrf;
3191 	p_rx_rcr_rings_t	rcr_rings;
3192 	p_rx_rcr_ring_t		*rcr_p;
3193 	uint32_t		i, ndmas;
3194 	nxge_status_t		status;
3195 
3196 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "==> nxge_m_resources"));
3197 
3198 	MUTEX_ENTER(nxgep->genlock);
3199 
3200 	/*
3201 	 * CR 6492541 Check to see if the drv_state has been initialized,
3202 	 * if not * call nxge_init().
3203 	 */
3204 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3205 		status = nxge_init(nxgep);
3206 		if (status != NXGE_OK)
3207 			goto nxge_m_resources_exit;
3208 	}
3209 
3210 	mrf.mrf_type = MAC_RX_FIFO;
3211 	mrf.mrf_blank = nxge_rx_hw_blank;
3212 	mrf.mrf_arg = (void *)nxgep;
3213 
3214 	mrf.mrf_normal_blank_time = 128;
3215 	mrf.mrf_normal_pkt_count = 8;
3216 	rcr_rings = nxgep->rx_rcr_rings;
3217 	rcr_p = rcr_rings->rcr_rings;
3218 	ndmas = rcr_rings->ndmas;
3219 
3220 	/*
3221 	 * Export our receive resources to the MAC layer.
3222 	 */
3223 	for (i = 0; i < ndmas; i++) {
3224 		((p_rx_rcr_ring_t)rcr_p[i])->rcr_mac_handle =
3225 				mac_resource_add(nxgep->mach,
3226 				    (mac_resource_t *)&mrf);
3227 
3228 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
3229 			"==> nxge_m_resources: vdma %d dma %d "
3230 			"rcrptr 0x%016llx mac_handle 0x%016llx",
3231 			i, ((p_rx_rcr_ring_t)rcr_p[i])->rdc,
3232 			rcr_p[i],
3233 			((p_rx_rcr_ring_t)rcr_p[i])->rcr_mac_handle));
3234 	}
3235 
3236 nxge_m_resources_exit:
3237 	MUTEX_EXIT(nxgep->genlock);
3238 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "<== nxge_m_resources"));
3239 }
3240 
3241 static void
3242 nxge_mmac_kstat_update(p_nxge_t nxgep, mac_addr_slot_t slot, boolean_t factory)
3243 {
3244 	p_nxge_mmac_stats_t mmac_stats;
3245 	int i;
3246 	nxge_mmac_t *mmac_info;
3247 
3248 	mmac_info = &nxgep->nxge_mmac_info;
3249 
3250 	mmac_stats = &nxgep->statsp->mmac_stats;
3251 	mmac_stats->mmac_max_cnt = mmac_info->num_mmac;
3252 	mmac_stats->mmac_avail_cnt = mmac_info->naddrfree;
3253 
3254 	for (i = 0; i < ETHERADDRL; i++) {
3255 		if (factory) {
3256 			mmac_stats->mmac_avail_pool[slot-1].ether_addr_octet[i]
3257 			= mmac_info->factory_mac_pool[slot][(ETHERADDRL-1) - i];
3258 		} else {
3259 			mmac_stats->mmac_avail_pool[slot-1].ether_addr_octet[i]
3260 			= mmac_info->mac_pool[slot].addr[(ETHERADDRL - 1) - i];
3261 		}
3262 	}
3263 }
3264 
3265 /*
3266  * nxge_altmac_set() -- Set an alternate MAC address
3267  */
3268 static int
3269 nxge_altmac_set(p_nxge_t nxgep, uint8_t *maddr, mac_addr_slot_t slot)
3270 {
3271 	uint8_t addrn;
3272 	uint8_t portn;
3273 	npi_mac_addr_t altmac;
3274 	hostinfo_t mac_rdc;
3275 	p_nxge_class_pt_cfg_t clscfgp;
3276 
3277 	altmac.w2 = ((uint16_t)maddr[0] << 8) | ((uint16_t)maddr[1] & 0x0ff);
3278 	altmac.w1 = ((uint16_t)maddr[2] << 8) | ((uint16_t)maddr[3] & 0x0ff);
3279 	altmac.w0 = ((uint16_t)maddr[4] << 8) | ((uint16_t)maddr[5] & 0x0ff);
3280 
3281 	portn = nxgep->mac.portnum;
3282 	addrn = (uint8_t)slot - 1;
3283 
3284 	if (npi_mac_altaddr_entry(nxgep->npi_handle, OP_SET, portn,
3285 		addrn, &altmac) != NPI_SUCCESS)
3286 		return (EIO);
3287 
3288 	/*
3289 	 * Set the rdc table number for the host info entry
3290 	 * for this mac address slot.
3291 	 */
3292 	clscfgp = (p_nxge_class_pt_cfg_t)&nxgep->class_config;
3293 	mac_rdc.value = 0;
3294 	mac_rdc.bits.w0.rdc_tbl_num = clscfgp->mac_host_info[addrn].rdctbl;
3295 	mac_rdc.bits.w0.mac_pref = clscfgp->mac_host_info[addrn].mpr_npr;
3296 
3297 	if (npi_mac_hostinfo_entry(nxgep->npi_handle, OP_SET,
3298 	    nxgep->function_num, addrn, &mac_rdc) != NPI_SUCCESS) {
3299 		return (EIO);
3300 	}
3301 
3302 	/*
3303 	 * Enable comparison with the alternate MAC address.
3304 	 * While the first alternate addr is enabled by bit 1 of register
3305 	 * BMAC_ALTAD_CMPEN, it is enabled by bit 0 of register
3306 	 * XMAC_ADDR_CMPEN, so slot needs to be converted to addrn
3307 	 * accordingly before calling npi_mac_altaddr_entry.
3308 	 */
3309 	if (portn == XMAC_PORT_0 || portn == XMAC_PORT_1)
3310 		addrn = (uint8_t)slot - 1;
3311 	else
3312 		addrn = (uint8_t)slot;
3313 
3314 	if (npi_mac_altaddr_enable(nxgep->npi_handle, portn, addrn)
3315 		!= NPI_SUCCESS)
3316 		return (EIO);
3317 
3318 	return (0);
3319 }
3320 
3321 /*
3322  * nxeg_m_mmac_add() - find an unused address slot, set the address
3323  * value to the one specified, enable the port to start filtering on
3324  * the new MAC address.  Returns 0 on success.
3325  */
3326 static int
3327 nxge_m_mmac_add(void *arg, mac_multi_addr_t *maddr)
3328 {
3329 	p_nxge_t nxgep = arg;
3330 	mac_addr_slot_t slot;
3331 	nxge_mmac_t *mmac_info;
3332 	int err;
3333 	nxge_status_t status;
3334 
3335 	mutex_enter(nxgep->genlock);
3336 
3337 	/*
3338 	 * Make sure that nxge is initialized, if _start() has
3339 	 * not been called.
3340 	 */
3341 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3342 		status = nxge_init(nxgep);
3343 		if (status != NXGE_OK) {
3344 			mutex_exit(nxgep->genlock);
3345 			return (ENXIO);
3346 		}
3347 	}
3348 
3349 	mmac_info = &nxgep->nxge_mmac_info;
3350 	if (mmac_info->naddrfree == 0) {
3351 		mutex_exit(nxgep->genlock);
3352 		return (ENOSPC);
3353 	}
3354 	if (!mac_unicst_verify(nxgep->mach, maddr->mma_addr,
3355 		maddr->mma_addrlen)) {
3356 		mutex_exit(nxgep->genlock);
3357 		return (EINVAL);
3358 	}
3359 	/*
3360 	 * 	Search for the first available slot. Because naddrfree
3361 	 * is not zero, we are guaranteed to find one.
3362 	 * 	Slot 0 is for unique (primary) MAC. The first alternate
3363 	 * MAC slot is slot 1.
3364 	 *	Each of the first two ports of Neptune has 16 alternate
3365 	 * MAC slots but only the first 7 (or 15) slots have assigned factory
3366 	 * MAC addresses. We first search among the slots without bundled
3367 	 * factory MACs. If we fail to find one in that range, then we
3368 	 * search the slots with bundled factory MACs.  A factory MAC
3369 	 * will be wasted while the slot is used with a user MAC address.
3370 	 * But the slot could be used by factory MAC again after calling
3371 	 * nxge_m_mmac_remove and nxge_m_mmac_reserve.
3372 	 */
3373 	if (mmac_info->num_factory_mmac < mmac_info->num_mmac) {
3374 		for (slot = mmac_info->num_factory_mmac + 1;
3375 			slot <= mmac_info->num_mmac; slot++) {
3376 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
3377 				break;
3378 		}
3379 		if (slot > mmac_info->num_mmac) {
3380 			for (slot = 1; slot <= mmac_info->num_factory_mmac;
3381 				slot++) {
3382 				if (!(mmac_info->mac_pool[slot].flags
3383 					& MMAC_SLOT_USED))
3384 					break;
3385 			}
3386 		}
3387 	} else {
3388 		for (slot = 1; slot <= mmac_info->num_mmac; slot++) {
3389 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
3390 				break;
3391 		}
3392 	}
3393 	ASSERT(slot <= mmac_info->num_mmac);
3394 	if ((err = nxge_altmac_set(nxgep, maddr->mma_addr, slot)) != 0) {
3395 		mutex_exit(nxgep->genlock);
3396 		return (err);
3397 	}
3398 	bcopy(maddr->mma_addr, mmac_info->mac_pool[slot].addr, ETHERADDRL);
3399 	mmac_info->mac_pool[slot].flags |= MMAC_SLOT_USED;
3400 	mmac_info->mac_pool[slot].flags &= ~MMAC_VENDOR_ADDR;
3401 	mmac_info->naddrfree--;
3402 	nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
3403 
3404 	maddr->mma_slot = slot;
3405 
3406 	mutex_exit(nxgep->genlock);
3407 	return (0);
3408 }
3409 
3410 /*
3411  * This function reserves an unused slot and programs the slot and the HW
3412  * with a factory mac address.
3413  */
3414 static int
3415 nxge_m_mmac_reserve(void *arg, mac_multi_addr_t *maddr)
3416 {
3417 	p_nxge_t nxgep = arg;
3418 	mac_addr_slot_t slot;
3419 	nxge_mmac_t *mmac_info;
3420 	int err;
3421 	nxge_status_t status;
3422 
3423 	mutex_enter(nxgep->genlock);
3424 
3425 	/*
3426 	 * Make sure that nxge is initialized, if _start() has
3427 	 * not been called.
3428 	 */
3429 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3430 		status = nxge_init(nxgep);
3431 		if (status != NXGE_OK) {
3432 			mutex_exit(nxgep->genlock);
3433 			return (ENXIO);
3434 		}
3435 	}
3436 
3437 	mmac_info = &nxgep->nxge_mmac_info;
3438 	if (mmac_info->naddrfree == 0) {
3439 		mutex_exit(nxgep->genlock);
3440 		return (ENOSPC);
3441 	}
3442 
3443 	slot = maddr->mma_slot;
3444 	if (slot == -1) {  /* -1: Take the first available slot */
3445 		for (slot = 1; slot <= mmac_info->num_factory_mmac; slot++) {
3446 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
3447 				break;
3448 		}
3449 		if (slot > mmac_info->num_factory_mmac) {
3450 			mutex_exit(nxgep->genlock);
3451 			return (ENOSPC);
3452 		}
3453 	}
3454 	if (slot < 1 || slot > mmac_info->num_factory_mmac) {
3455 		/*
3456 		 * Do not support factory MAC at a slot greater than
3457 		 * num_factory_mmac even when there are available factory
3458 		 * MAC addresses because the alternate MACs are bundled with
3459 		 * slot[1] through slot[num_factory_mmac]
3460 		 */
3461 		mutex_exit(nxgep->genlock);
3462 		return (EINVAL);
3463 	}
3464 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
3465 		mutex_exit(nxgep->genlock);
3466 		return (EBUSY);
3467 	}
3468 	/* Verify the address to be reserved */
3469 	if (!mac_unicst_verify(nxgep->mach,
3470 		mmac_info->factory_mac_pool[slot], ETHERADDRL)) {
3471 		mutex_exit(nxgep->genlock);
3472 		return (EINVAL);
3473 	}
3474 	if (err = nxge_altmac_set(nxgep,
3475 		mmac_info->factory_mac_pool[slot], slot)) {
3476 		mutex_exit(nxgep->genlock);
3477 		return (err);
3478 	}
3479 	bcopy(mmac_info->factory_mac_pool[slot], maddr->mma_addr, ETHERADDRL);
3480 	mmac_info->mac_pool[slot].flags |= MMAC_SLOT_USED | MMAC_VENDOR_ADDR;
3481 	mmac_info->naddrfree--;
3482 
3483 	nxge_mmac_kstat_update(nxgep, slot, B_TRUE);
3484 	mutex_exit(nxgep->genlock);
3485 
3486 	/* Pass info back to the caller */
3487 	maddr->mma_slot = slot;
3488 	maddr->mma_addrlen = ETHERADDRL;
3489 	maddr->mma_flags = MMAC_SLOT_USED | MMAC_VENDOR_ADDR;
3490 
3491 	return (0);
3492 }
3493 
3494 /*
3495  * Remove the specified mac address and update the HW not to filter
3496  * the mac address anymore.
3497  */
3498 static int
3499 nxge_m_mmac_remove(void *arg, mac_addr_slot_t slot)
3500 {
3501 	p_nxge_t nxgep = arg;
3502 	nxge_mmac_t *mmac_info;
3503 	uint8_t addrn;
3504 	uint8_t portn;
3505 	int err = 0;
3506 	nxge_status_t status;
3507 
3508 	mutex_enter(nxgep->genlock);
3509 
3510 	/*
3511 	 * Make sure that nxge is initialized, if _start() has
3512 	 * not been called.
3513 	 */
3514 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3515 		status = nxge_init(nxgep);
3516 		if (status != NXGE_OK) {
3517 			mutex_exit(nxgep->genlock);
3518 			return (ENXIO);
3519 		}
3520 	}
3521 
3522 	mmac_info = &nxgep->nxge_mmac_info;
3523 	if (slot < 1 || slot > mmac_info->num_mmac) {
3524 		mutex_exit(nxgep->genlock);
3525 		return (EINVAL);
3526 	}
3527 
3528 	portn = nxgep->mac.portnum;
3529 	if (portn == XMAC_PORT_0 || portn == XMAC_PORT_1)
3530 		addrn = (uint8_t)slot - 1;
3531 	else
3532 		addrn = (uint8_t)slot;
3533 
3534 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
3535 		if (npi_mac_altaddr_disable(nxgep->npi_handle, portn, addrn)
3536 				== NPI_SUCCESS) {
3537 			mmac_info->naddrfree++;
3538 			mmac_info->mac_pool[slot].flags &= ~MMAC_SLOT_USED;
3539 			/*
3540 			 * Regardless if the MAC we just stopped filtering
3541 			 * is a user addr or a facory addr, we must set
3542 			 * the MMAC_VENDOR_ADDR flag if this slot has an
3543 			 * associated factory MAC to indicate that a factory
3544 			 * MAC is available.
3545 			 */
3546 			if (slot <= mmac_info->num_factory_mmac) {
3547 				mmac_info->mac_pool[slot].flags
3548 					|= MMAC_VENDOR_ADDR;
3549 			}
3550 			/*
3551 			 * Clear mac_pool[slot].addr so that kstat shows 0
3552 			 * alternate MAC address if the slot is not used.
3553 			 * (But nxge_m_mmac_get returns the factory MAC even
3554 			 * when the slot is not used!)
3555 			 */
3556 			bzero(mmac_info->mac_pool[slot].addr, ETHERADDRL);
3557 			nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
3558 		} else {
3559 			err = EIO;
3560 		}
3561 	} else {
3562 		err = EINVAL;
3563 	}
3564 
3565 	mutex_exit(nxgep->genlock);
3566 	return (err);
3567 }
3568 
3569 
3570 /*
3571  * Modify a mac address added by nxge_m_mmac_add or nxge_m_mmac_reserve().
3572  */
3573 static int
3574 nxge_m_mmac_modify(void *arg, mac_multi_addr_t *maddr)
3575 {
3576 	p_nxge_t nxgep = arg;
3577 	mac_addr_slot_t slot;
3578 	nxge_mmac_t *mmac_info;
3579 	int err = 0;
3580 	nxge_status_t status;
3581 
3582 	if (!mac_unicst_verify(nxgep->mach, maddr->mma_addr,
3583 			maddr->mma_addrlen))
3584 		return (EINVAL);
3585 
3586 	slot = maddr->mma_slot;
3587 
3588 	mutex_enter(nxgep->genlock);
3589 
3590 	/*
3591 	 * Make sure that nxge is initialized, if _start() has
3592 	 * not been called.
3593 	 */
3594 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3595 		status = nxge_init(nxgep);
3596 		if (status != NXGE_OK) {
3597 			mutex_exit(nxgep->genlock);
3598 			return (ENXIO);
3599 		}
3600 	}
3601 
3602 	mmac_info = &nxgep->nxge_mmac_info;
3603 	if (slot < 1 || slot > mmac_info->num_mmac) {
3604 		mutex_exit(nxgep->genlock);
3605 		return (EINVAL);
3606 	}
3607 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
3608 		if ((err = nxge_altmac_set(nxgep, maddr->mma_addr, slot))
3609 			!= 0) {
3610 			bcopy(maddr->mma_addr, mmac_info->mac_pool[slot].addr,
3611 				ETHERADDRL);
3612 			/*
3613 			 * Assume that the MAC passed down from the caller
3614 			 * is not a factory MAC address (The user should
3615 			 * call mmac_remove followed by mmac_reserve if
3616 			 * he wants to use the factory MAC for this slot).
3617 			 */
3618 			mmac_info->mac_pool[slot].flags &= ~MMAC_VENDOR_ADDR;
3619 			nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
3620 		}
3621 	} else {
3622 		err = EINVAL;
3623 	}
3624 	mutex_exit(nxgep->genlock);
3625 	return (err);
3626 }
3627 
3628 /*
3629  * nxge_m_mmac_get() - Get the MAC address and other information
3630  * related to the slot.  mma_flags should be set to 0 in the call.
3631  * Note: although kstat shows MAC address as zero when a slot is
3632  * not used, Crossbow expects nxge_m_mmac_get to copy factory MAC
3633  * to the caller as long as the slot is not using a user MAC address.
3634  * The following table shows the rules,
3635  *
3636  *				   USED    VENDOR    mma_addr
3637  * ------------------------------------------------------------
3638  * (1) Slot uses a user MAC:        yes      no     user MAC
3639  * (2) Slot uses a factory MAC:     yes      yes    factory MAC
3640  * (3) Slot is not used but is
3641  *     factory MAC capable:         no       yes    factory MAC
3642  * (4) Slot is not used and is
3643  *     not factory MAC capable:     no       no        0
3644  * ------------------------------------------------------------
3645  */
3646 static int
3647 nxge_m_mmac_get(void *arg, mac_multi_addr_t *maddr)
3648 {
3649 	nxge_t *nxgep = arg;
3650 	mac_addr_slot_t slot;
3651 	nxge_mmac_t *mmac_info;
3652 	nxge_status_t status;
3653 
3654 	slot = maddr->mma_slot;
3655 
3656 	mutex_enter(nxgep->genlock);
3657 
3658 	/*
3659 	 * Make sure that nxge is initialized, if _start() has
3660 	 * not been called.
3661 	 */
3662 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3663 		status = nxge_init(nxgep);
3664 		if (status != NXGE_OK) {
3665 			mutex_exit(nxgep->genlock);
3666 			return (ENXIO);
3667 		}
3668 	}
3669 
3670 	mmac_info = &nxgep->nxge_mmac_info;
3671 
3672 	if (slot < 1 || slot > mmac_info->num_mmac) {
3673 		mutex_exit(nxgep->genlock);
3674 		return (EINVAL);
3675 	}
3676 	maddr->mma_flags = 0;
3677 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED)
3678 		maddr->mma_flags |= MMAC_SLOT_USED;
3679 
3680 	if (mmac_info->mac_pool[slot].flags & MMAC_VENDOR_ADDR) {
3681 		maddr->mma_flags |= MMAC_VENDOR_ADDR;
3682 		bcopy(mmac_info->factory_mac_pool[slot],
3683 			maddr->mma_addr, ETHERADDRL);
3684 		maddr->mma_addrlen = ETHERADDRL;
3685 	} else {
3686 		if (maddr->mma_flags & MMAC_SLOT_USED) {
3687 			bcopy(mmac_info->mac_pool[slot].addr,
3688 				maddr->mma_addr, ETHERADDRL);
3689 			maddr->mma_addrlen = ETHERADDRL;
3690 		} else {
3691 			bzero(maddr->mma_addr, ETHERADDRL);
3692 			maddr->mma_addrlen = 0;
3693 		}
3694 	}
3695 	mutex_exit(nxgep->genlock);
3696 	return (0);
3697 }
3698 
3699 
3700 static boolean_t
3701 nxge_m_getcapab(void *arg, mac_capab_t cap, void *cap_data)
3702 {
3703 	nxge_t *nxgep = arg;
3704 	uint32_t *txflags = cap_data;
3705 	multiaddress_capab_t *mmacp = cap_data;
3706 
3707 	switch (cap) {
3708 	case MAC_CAPAB_HCKSUM:
3709 		*txflags = HCKSUM_INET_PARTIAL;
3710 		break;
3711 	case MAC_CAPAB_POLL:
3712 		/*
3713 		 * There's nothing for us to fill in, simply returning
3714 		 * B_TRUE stating that we support polling is sufficient.
3715 		 */
3716 		break;
3717 
3718 	case MAC_CAPAB_MULTIADDRESS:
3719 		mutex_enter(nxgep->genlock);
3720 
3721 		mmacp->maddr_naddr = nxgep->nxge_mmac_info.num_mmac;
3722 		mmacp->maddr_naddrfree = nxgep->nxge_mmac_info.naddrfree;
3723 		mmacp->maddr_flag = 0; /* 0 is requried by PSARC2006/265 */
3724 		/*
3725 		 * maddr_handle is driver's private data, passed back to
3726 		 * entry point functions as arg.
3727 		 */
3728 		mmacp->maddr_handle	= nxgep;
3729 		mmacp->maddr_add	= nxge_m_mmac_add;
3730 		mmacp->maddr_remove	= nxge_m_mmac_remove;
3731 		mmacp->maddr_modify	= nxge_m_mmac_modify;
3732 		mmacp->maddr_get	= nxge_m_mmac_get;
3733 		mmacp->maddr_reserve	= nxge_m_mmac_reserve;
3734 
3735 		mutex_exit(nxgep->genlock);
3736 		break;
3737 	default:
3738 		return (B_FALSE);
3739 	}
3740 	return (B_TRUE);
3741 }
3742 
3743 /*
3744  * Module loading and removing entry points.
3745  */
3746 
3747 static	struct cb_ops 	nxge_cb_ops = {
3748 	nodev,			/* cb_open */
3749 	nodev,			/* cb_close */
3750 	nodev,			/* cb_strategy */
3751 	nodev,			/* cb_print */
3752 	nodev,			/* cb_dump */
3753 	nodev,			/* cb_read */
3754 	nodev,			/* cb_write */
3755 	nodev,			/* cb_ioctl */
3756 	nodev,			/* cb_devmap */
3757 	nodev,			/* cb_mmap */
3758 	nodev,			/* cb_segmap */
3759 	nochpoll,		/* cb_chpoll */
3760 	ddi_prop_op,		/* cb_prop_op */
3761 	NULL,
3762 	D_MP, 			/* cb_flag */
3763 	CB_REV,			/* rev */
3764 	nodev,			/* int (*cb_aread)() */
3765 	nodev			/* int (*cb_awrite)() */
3766 };
3767 
3768 static struct dev_ops nxge_dev_ops = {
3769 	DEVO_REV,		/* devo_rev */
3770 	0,			/* devo_refcnt */
3771 	nulldev,
3772 	nulldev,		/* devo_identify */
3773 	nulldev,		/* devo_probe */
3774 	nxge_attach,		/* devo_attach */
3775 	nxge_detach,		/* devo_detach */
3776 	nodev,			/* devo_reset */
3777 	&nxge_cb_ops,		/* devo_cb_ops */
3778 	(struct bus_ops *)NULL, /* devo_bus_ops	*/
3779 	ddi_power		/* devo_power */
3780 };
3781 
3782 extern	struct	mod_ops	mod_driverops;
3783 
3784 #define	NXGE_DESC_VER		"Sun NIU 10Gb Ethernet %I%"
3785 
3786 /*
3787  * Module linkage information for the kernel.
3788  */
3789 static struct modldrv 	nxge_modldrv = {
3790 	&mod_driverops,
3791 	NXGE_DESC_VER,
3792 	&nxge_dev_ops
3793 };
3794 
3795 static struct modlinkage modlinkage = {
3796 	MODREV_1, (void *) &nxge_modldrv, NULL
3797 };
3798 
3799 int
3800 _init(void)
3801 {
3802 	int		status;
3803 
3804 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _init"));
3805 	mac_init_ops(&nxge_dev_ops, "nxge");
3806 	status = ddi_soft_state_init(&nxge_list, sizeof (nxge_t), 0);
3807 	if (status != 0) {
3808 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL,
3809 			"failed to init device soft state"));
3810 		goto _init_exit;
3811 	}
3812 
3813 	status = mod_install(&modlinkage);
3814 	if (status != 0) {
3815 		ddi_soft_state_fini(&nxge_list);
3816 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL, "Mod install failed"));
3817 		goto _init_exit;
3818 	}
3819 
3820 	MUTEX_INIT(&nxge_common_lock, NULL, MUTEX_DRIVER, NULL);
3821 
3822 _init_exit:
3823 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "_init status = 0x%X", status));
3824 
3825 	return (status);
3826 }
3827 
3828 int
3829 _fini(void)
3830 {
3831 	int		status;
3832 
3833 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _fini"));
3834 
3835 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _fini: mod_remove"));
3836 
3837 	if (nxge_mblks_pending)
3838 		return (EBUSY);
3839 
3840 	status = mod_remove(&modlinkage);
3841 	if (status != DDI_SUCCESS) {
3842 		NXGE_DEBUG_MSG((NULL, MOD_CTL,
3843 			    "Module removal failed 0x%08x",
3844 			    status));
3845 		goto _fini_exit;
3846 	}
3847 
3848 	mac_fini_ops(&nxge_dev_ops);
3849 
3850 	ddi_soft_state_fini(&nxge_list);
3851 
3852 	MUTEX_DESTROY(&nxge_common_lock);
3853 _fini_exit:
3854 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "_fini status = 0x%08x", status));
3855 
3856 	return (status);
3857 }
3858 
3859 int
3860 _info(struct modinfo *modinfop)
3861 {
3862 	int		status;
3863 
3864 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _info"));
3865 	status = mod_info(&modlinkage, modinfop);
3866 	NXGE_DEBUG_MSG((NULL, MOD_CTL, " _info status = 0x%X", status));
3867 
3868 	return (status);
3869 }
3870 
3871 /*ARGSUSED*/
3872 static nxge_status_t
3873 nxge_add_intrs(p_nxge_t nxgep)
3874 {
3875 
3876 	int		intr_types;
3877 	int		type = 0;
3878 	int		ddi_status = DDI_SUCCESS;
3879 	nxge_status_t	status = NXGE_OK;
3880 
3881 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs"));
3882 
3883 	nxgep->nxge_intr_type.intr_registered = B_FALSE;
3884 	nxgep->nxge_intr_type.intr_enabled = B_FALSE;
3885 	nxgep->nxge_intr_type.msi_intx_cnt = 0;
3886 	nxgep->nxge_intr_type.intr_added = 0;
3887 	nxgep->nxge_intr_type.niu_msi_enable = B_FALSE;
3888 	nxgep->nxge_intr_type.intr_type = 0;
3889 
3890 	if (nxgep->niu_type == N2_NIU) {
3891 		nxgep->nxge_intr_type.niu_msi_enable = B_TRUE;
3892 	} else if (nxge_msi_enable) {
3893 		nxgep->nxge_intr_type.niu_msi_enable = B_TRUE;
3894 	}
3895 
3896 	/* Get the supported interrupt types */
3897 	if ((ddi_status = ddi_intr_get_supported_types(nxgep->dip, &intr_types))
3898 			!= DDI_SUCCESS) {
3899 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_add_intrs: "
3900 			"ddi_intr_get_supported_types failed: status 0x%08x",
3901 			ddi_status));
3902 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3903 	}
3904 	nxgep->nxge_intr_type.intr_types = intr_types;
3905 
3906 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
3907 		"ddi_intr_get_supported_types: 0x%08x", intr_types));
3908 
3909 	/*
3910 	 * Solaris MSIX is not supported yet. use MSI for now.
3911 	 * nxge_msi_enable (1):
3912 	 *	1 - MSI		2 - MSI-X	others - FIXED
3913 	 */
3914 	switch (nxge_msi_enable) {
3915 	default:
3916 		type = DDI_INTR_TYPE_FIXED;
3917 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
3918 			"use fixed (intx emulation) type %08x",
3919 			type));
3920 		break;
3921 
3922 	case 2:
3923 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
3924 			"ddi_intr_get_supported_types: 0x%08x", intr_types));
3925 		if (intr_types & DDI_INTR_TYPE_MSIX) {
3926 			type = DDI_INTR_TYPE_MSIX;
3927 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
3928 				"ddi_intr_get_supported_types: MSIX 0x%08x",
3929 				type));
3930 		} else if (intr_types & DDI_INTR_TYPE_MSI) {
3931 			type = DDI_INTR_TYPE_MSI;
3932 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
3933 				"ddi_intr_get_supported_types: MSI 0x%08x",
3934 				type));
3935 		} else if (intr_types & DDI_INTR_TYPE_FIXED) {
3936 			type = DDI_INTR_TYPE_FIXED;
3937 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
3938 				"ddi_intr_get_supported_types: MSXED0x%08x",
3939 				type));
3940 		}
3941 		break;
3942 
3943 	case 1:
3944 		if (intr_types & DDI_INTR_TYPE_MSI) {
3945 			type = DDI_INTR_TYPE_MSI;
3946 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
3947 				"ddi_intr_get_supported_types: MSI 0x%08x",
3948 				type));
3949 		} else if (intr_types & DDI_INTR_TYPE_MSIX) {
3950 			type = DDI_INTR_TYPE_MSIX;
3951 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
3952 				"ddi_intr_get_supported_types: MSIX 0x%08x",
3953 				type));
3954 		} else if (intr_types & DDI_INTR_TYPE_FIXED) {
3955 			type = DDI_INTR_TYPE_FIXED;
3956 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
3957 				"ddi_intr_get_supported_types: MSXED0x%08x",
3958 				type));
3959 		}
3960 	}
3961 
3962 	nxgep->nxge_intr_type.intr_type = type;
3963 	if ((type == DDI_INTR_TYPE_MSIX || type == DDI_INTR_TYPE_MSI ||
3964 		type == DDI_INTR_TYPE_FIXED) &&
3965 			nxgep->nxge_intr_type.niu_msi_enable) {
3966 		if ((status = nxge_add_intrs_adv(nxgep)) != DDI_SUCCESS) {
3967 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3968 				    " nxge_add_intrs: "
3969 				    " nxge_add_intrs_adv failed: status 0x%08x",
3970 				    status));
3971 			return (status);
3972 		} else {
3973 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
3974 			"interrupts registered : type %d", type));
3975 			nxgep->nxge_intr_type.intr_registered = B_TRUE;
3976 
3977 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
3978 				"\nAdded advanced nxge add_intr_adv "
3979 					"intr type 0x%x\n", type));
3980 
3981 			return (status);
3982 		}
3983 	}
3984 
3985 	if (!nxgep->nxge_intr_type.intr_registered) {
3986 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "==> nxge_add_intrs: "
3987 			"failed to register interrupts"));
3988 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3989 	}
3990 
3991 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_add_intrs"));
3992 	return (status);
3993 }
3994 
3995 /*ARGSUSED*/
3996 static nxge_status_t
3997 nxge_add_soft_intrs(p_nxge_t nxgep)
3998 {
3999 
4000 	int		ddi_status = DDI_SUCCESS;
4001 	nxge_status_t	status = NXGE_OK;
4002 
4003 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_soft_intrs"));
4004 
4005 	nxgep->resched_id = NULL;
4006 	nxgep->resched_running = B_FALSE;
4007 	ddi_status = ddi_add_softintr(nxgep->dip, DDI_SOFTINT_LOW,
4008 			&nxgep->resched_id,
4009 		NULL, NULL, nxge_reschedule, (caddr_t)nxgep);
4010 	if (ddi_status != DDI_SUCCESS) {
4011 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_add_soft_intrs: "
4012 			"ddi_add_softintrs failed: status 0x%08x",
4013 			ddi_status));
4014 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4015 	}
4016 
4017 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_ddi_add_soft_intrs"));
4018 
4019 	return (status);
4020 }
4021 
4022 static nxge_status_t
4023 nxge_add_intrs_adv(p_nxge_t nxgep)
4024 {
4025 	int		intr_type;
4026 	p_nxge_intr_t	intrp;
4027 
4028 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs_adv"));
4029 
4030 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
4031 	intr_type = intrp->intr_type;
4032 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs_adv: type 0x%x",
4033 		intr_type));
4034 
4035 	switch (intr_type) {
4036 	case DDI_INTR_TYPE_MSI: /* 0x2 */
4037 	case DDI_INTR_TYPE_MSIX: /* 0x4 */
4038 		return (nxge_add_intrs_adv_type(nxgep, intr_type));
4039 
4040 	case DDI_INTR_TYPE_FIXED: /* 0x1 */
4041 		return (nxge_add_intrs_adv_type_fix(nxgep, intr_type));
4042 
4043 	default:
4044 		return (NXGE_ERROR);
4045 	}
4046 }
4047 
4048 
4049 /*ARGSUSED*/
4050 static nxge_status_t
4051 nxge_add_intrs_adv_type(p_nxge_t nxgep, uint32_t int_type)
4052 {
4053 	dev_info_t		*dip = nxgep->dip;
4054 	p_nxge_ldg_t		ldgp;
4055 	p_nxge_intr_t		intrp;
4056 	uint_t			*inthandler;
4057 	void			*arg1, *arg2;
4058 	int			behavior;
4059 	int			nintrs, navail;
4060 	int			nactual, nrequired;
4061 	int			inum = 0;
4062 	int			x, y;
4063 	int			ddi_status = DDI_SUCCESS;
4064 	nxge_status_t		status = NXGE_OK;
4065 
4066 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs_adv_type"));
4067 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
4068 	intrp->start_inum = 0;
4069 
4070 	ddi_status = ddi_intr_get_nintrs(dip, int_type, &nintrs);
4071 	if ((ddi_status != DDI_SUCCESS) || (nintrs == 0)) {
4072 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4073 			"ddi_intr_get_nintrs() failed, status: 0x%x%, "
4074 			    "nintrs: %d", ddi_status, nintrs));
4075 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4076 	}
4077 
4078 	ddi_status = ddi_intr_get_navail(dip, int_type, &navail);
4079 	if ((ddi_status != DDI_SUCCESS) || (navail == 0)) {
4080 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4081 			"ddi_intr_get_navail() failed, status: 0x%x%, "
4082 			    "nintrs: %d", ddi_status, navail));
4083 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4084 	}
4085 
4086 	NXGE_DEBUG_MSG((nxgep, INT_CTL,
4087 		"ddi_intr_get_navail() returned: nintrs %d, navail %d",
4088 		    nintrs, navail));
4089 
4090 	if (int_type == DDI_INTR_TYPE_MSI && !ISP2(navail)) {
4091 		/* MSI must be power of 2 */
4092 		if ((navail & 16) == 16) {
4093 			navail = 16;
4094 		} else if ((navail & 8) == 8) {
4095 			navail = 8;
4096 		} else if ((navail & 4) == 4) {
4097 			navail = 4;
4098 		} else if ((navail & 2) == 2) {
4099 			navail = 2;
4100 		} else {
4101 			navail = 1;
4102 		}
4103 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
4104 			"ddi_intr_get_navail(): (msi power of 2) nintrs %d, "
4105 			"navail %d", nintrs, navail));
4106 	}
4107 
4108 	behavior = ((int_type == DDI_INTR_TYPE_FIXED) ? DDI_INTR_ALLOC_STRICT :
4109 			DDI_INTR_ALLOC_NORMAL);
4110 	intrp->intr_size = navail * sizeof (ddi_intr_handle_t);
4111 	intrp->htable = kmem_alloc(intrp->intr_size, KM_SLEEP);
4112 	ddi_status = ddi_intr_alloc(dip, intrp->htable, int_type, inum,
4113 		    navail, &nactual, behavior);
4114 	if (ddi_status != DDI_SUCCESS || nactual == 0) {
4115 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4116 				    " ddi_intr_alloc() failed: %d",
4117 				    ddi_status));
4118 		kmem_free(intrp->htable, intrp->intr_size);
4119 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4120 	}
4121 
4122 	if ((ddi_status = ddi_intr_get_pri(intrp->htable[0],
4123 			(uint_t *)&intrp->pri)) != DDI_SUCCESS) {
4124 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4125 				    " ddi_intr_get_pri() failed: %d",
4126 				    ddi_status));
4127 		/* Free already allocated interrupts */
4128 		for (y = 0; y < nactual; y++) {
4129 			(void) ddi_intr_free(intrp->htable[y]);
4130 		}
4131 
4132 		kmem_free(intrp->htable, intrp->intr_size);
4133 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4134 	}
4135 
4136 	nrequired = 0;
4137 	switch (nxgep->niu_type) {
4138 	case NEPTUNE:
4139 	case NEPTUNE_2:
4140 	default:
4141 		status = nxge_ldgv_init(nxgep, &nactual, &nrequired);
4142 		break;
4143 
4144 	case N2_NIU:
4145 		status = nxge_ldgv_init_n2(nxgep, &nactual, &nrequired);
4146 		break;
4147 	}
4148 
4149 	if (status != NXGE_OK) {
4150 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4151 			"nxge_add_intrs_adv_typ:nxge_ldgv_init "
4152 			"failed: 0x%x", status));
4153 		/* Free already allocated interrupts */
4154 		for (y = 0; y < nactual; y++) {
4155 			(void) ddi_intr_free(intrp->htable[y]);
4156 		}
4157 
4158 		kmem_free(intrp->htable, intrp->intr_size);
4159 		return (status);
4160 	}
4161 
4162 	ldgp = nxgep->ldgvp->ldgp;
4163 	for (x = 0; x < nrequired; x++, ldgp++) {
4164 		ldgp->vector = (uint8_t)x;
4165 		ldgp->intdata = SID_DATA(ldgp->func, x);
4166 		arg1 = ldgp->ldvp;
4167 		arg2 = nxgep;
4168 		if (ldgp->nldvs == 1) {
4169 			inthandler = (uint_t *)ldgp->ldvp->ldv_intr_handler;
4170 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
4171 				"nxge_add_intrs_adv_type: "
4172 				"arg1 0x%x arg2 0x%x: "
4173 				"1-1 int handler (entry %d intdata 0x%x)\n",
4174 				arg1, arg2,
4175 				x, ldgp->intdata));
4176 		} else if (ldgp->nldvs > 1) {
4177 			inthandler = (uint_t *)ldgp->sys_intr_handler;
4178 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
4179 				"nxge_add_intrs_adv_type: "
4180 				"arg1 0x%x arg2 0x%x: "
4181 				"nldevs %d int handler "
4182 				"(entry %d intdata 0x%x)\n",
4183 				arg1, arg2,
4184 				ldgp->nldvs, x, ldgp->intdata));
4185 		}
4186 
4187 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
4188 			"==> nxge_add_intrs_adv_type: ddi_add_intr(inum) #%d "
4189 			"htable 0x%llx", x, intrp->htable[x]));
4190 
4191 		if ((ddi_status = ddi_intr_add_handler(intrp->htable[x],
4192 			(ddi_intr_handler_t *)inthandler, arg1, arg2))
4193 				!= DDI_SUCCESS) {
4194 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4195 				"==> nxge_add_intrs_adv_type: failed #%d "
4196 				"status 0x%x", x, ddi_status));
4197 			for (y = 0; y < intrp->intr_added; y++) {
4198 				(void) ddi_intr_remove_handler(
4199 						intrp->htable[y]);
4200 			}
4201 			/* Free already allocated intr */
4202 			for (y = 0; y < nactual; y++) {
4203 				(void) ddi_intr_free(intrp->htable[y]);
4204 			}
4205 			kmem_free(intrp->htable, intrp->intr_size);
4206 
4207 			(void) nxge_ldgv_uninit(nxgep);
4208 
4209 			return (NXGE_ERROR | NXGE_DDI_FAILED);
4210 		}
4211 		intrp->intr_added++;
4212 	}
4213 
4214 	intrp->msi_intx_cnt = nactual;
4215 
4216 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
4217 		"Requested: %d, Allowed: %d msi_intx_cnt %d intr_added %d",
4218 		navail, nactual,
4219 		intrp->msi_intx_cnt,
4220 		intrp->intr_added));
4221 
4222 	(void) ddi_intr_get_cap(intrp->htable[0], &intrp->intr_cap);
4223 
4224 	(void) nxge_intr_ldgv_init(nxgep);
4225 
4226 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_add_intrs_adv_type"));
4227 
4228 	return (status);
4229 }
4230 
4231 /*ARGSUSED*/
4232 static nxge_status_t
4233 nxge_add_intrs_adv_type_fix(p_nxge_t nxgep, uint32_t int_type)
4234 {
4235 	dev_info_t		*dip = nxgep->dip;
4236 	p_nxge_ldg_t		ldgp;
4237 	p_nxge_intr_t		intrp;
4238 	uint_t			*inthandler;
4239 	void			*arg1, *arg2;
4240 	int			behavior;
4241 	int			nintrs, navail;
4242 	int			nactual, nrequired;
4243 	int			inum = 0;
4244 	int			x, y;
4245 	int			ddi_status = DDI_SUCCESS;
4246 	nxge_status_t		status = NXGE_OK;
4247 
4248 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs_adv_type_fix"));
4249 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
4250 	intrp->start_inum = 0;
4251 
4252 	ddi_status = ddi_intr_get_nintrs(dip, int_type, &nintrs);
4253 	if ((ddi_status != DDI_SUCCESS) || (nintrs == 0)) {
4254 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
4255 			"ddi_intr_get_nintrs() failed, status: 0x%x%, "
4256 			    "nintrs: %d", status, nintrs));
4257 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4258 	}
4259 
4260 	ddi_status = ddi_intr_get_navail(dip, int_type, &navail);
4261 	if ((ddi_status != DDI_SUCCESS) || (navail == 0)) {
4262 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4263 			"ddi_intr_get_navail() failed, status: 0x%x%, "
4264 			    "nintrs: %d", ddi_status, navail));
4265 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4266 	}
4267 
4268 	NXGE_DEBUG_MSG((nxgep, INT_CTL,
4269 		"ddi_intr_get_navail() returned: nintrs %d, naavail %d",
4270 		    nintrs, navail));
4271 
4272 	behavior = ((int_type == DDI_INTR_TYPE_FIXED) ? DDI_INTR_ALLOC_STRICT :
4273 			DDI_INTR_ALLOC_NORMAL);
4274 	intrp->intr_size = navail * sizeof (ddi_intr_handle_t);
4275 	intrp->htable = kmem_alloc(intrp->intr_size, KM_SLEEP);
4276 	ddi_status = ddi_intr_alloc(dip, intrp->htable, int_type, inum,
4277 		    navail, &nactual, behavior);
4278 	if (ddi_status != DDI_SUCCESS || nactual == 0) {
4279 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4280 			    " ddi_intr_alloc() failed: %d",
4281 			    ddi_status));
4282 		kmem_free(intrp->htable, intrp->intr_size);
4283 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4284 	}
4285 
4286 	if ((ddi_status = ddi_intr_get_pri(intrp->htable[0],
4287 			(uint_t *)&intrp->pri)) != DDI_SUCCESS) {
4288 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4289 				    " ddi_intr_get_pri() failed: %d",
4290 				    ddi_status));
4291 		/* Free already allocated interrupts */
4292 		for (y = 0; y < nactual; y++) {
4293 			(void) ddi_intr_free(intrp->htable[y]);
4294 		}
4295 
4296 		kmem_free(intrp->htable, intrp->intr_size);
4297 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4298 	}
4299 
4300 	nrequired = 0;
4301 	switch (nxgep->niu_type) {
4302 	case NEPTUNE:
4303 	case NEPTUNE_2:
4304 	default:
4305 		status = nxge_ldgv_init(nxgep, &nactual, &nrequired);
4306 		break;
4307 
4308 	case N2_NIU:
4309 		status = nxge_ldgv_init_n2(nxgep, &nactual, &nrequired);
4310 		break;
4311 	}
4312 
4313 	if (status != NXGE_OK) {
4314 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4315 			"nxge_add_intrs_adv_type_fix:nxge_ldgv_init "
4316 			"failed: 0x%x", status));
4317 		/* Free already allocated interrupts */
4318 		for (y = 0; y < nactual; y++) {
4319 			(void) ddi_intr_free(intrp->htable[y]);
4320 		}
4321 
4322 		kmem_free(intrp->htable, intrp->intr_size);
4323 		return (status);
4324 	}
4325 
4326 	ldgp = nxgep->ldgvp->ldgp;
4327 	for (x = 0; x < nrequired; x++, ldgp++) {
4328 		ldgp->vector = (uint8_t)x;
4329 		if (nxgep->niu_type != N2_NIU) {
4330 			ldgp->intdata = SID_DATA(ldgp->func, x);
4331 		}
4332 
4333 		arg1 = ldgp->ldvp;
4334 		arg2 = nxgep;
4335 		if (ldgp->nldvs == 1) {
4336 			inthandler = (uint_t *)ldgp->ldvp->ldv_intr_handler;
4337 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
4338 				"nxge_add_intrs_adv_type_fix: "
4339 				"1-1 int handler(%d) ldg %d ldv %d "
4340 				"arg1 $%p arg2 $%p\n",
4341 				x, ldgp->ldg, ldgp->ldvp->ldv,
4342 				arg1, arg2));
4343 		} else if (ldgp->nldvs > 1) {
4344 			inthandler = (uint_t *)ldgp->sys_intr_handler;
4345 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
4346 				"nxge_add_intrs_adv_type_fix: "
4347 				"shared ldv %d int handler(%d) ldv %d ldg %d"
4348 				"arg1 0x%016llx arg2 0x%016llx\n",
4349 				x, ldgp->nldvs, ldgp->ldg, ldgp->ldvp->ldv,
4350 				arg1, arg2));
4351 		}
4352 
4353 		if ((ddi_status = ddi_intr_add_handler(intrp->htable[x],
4354 			(ddi_intr_handler_t *)inthandler, arg1, arg2))
4355 				!= DDI_SUCCESS) {
4356 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4357 				"==> nxge_add_intrs_adv_type_fix: failed #%d "
4358 				"status 0x%x", x, ddi_status));
4359 			for (y = 0; y < intrp->intr_added; y++) {
4360 				(void) ddi_intr_remove_handler(
4361 						intrp->htable[y]);
4362 			}
4363 			for (y = 0; y < nactual; y++) {
4364 				(void) ddi_intr_free(intrp->htable[y]);
4365 			}
4366 			/* Free already allocated intr */
4367 			kmem_free(intrp->htable, intrp->intr_size);
4368 
4369 			(void) nxge_ldgv_uninit(nxgep);
4370 
4371 			return (NXGE_ERROR | NXGE_DDI_FAILED);
4372 		}
4373 		intrp->intr_added++;
4374 	}
4375 
4376 	intrp->msi_intx_cnt = nactual;
4377 
4378 	(void) ddi_intr_get_cap(intrp->htable[0], &intrp->intr_cap);
4379 
4380 	status = nxge_intr_ldgv_init(nxgep);
4381 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_add_intrs_adv_type_fix"));
4382 
4383 	return (status);
4384 }
4385 
4386 static void
4387 nxge_remove_intrs(p_nxge_t nxgep)
4388 {
4389 	int		i, inum;
4390 	p_nxge_intr_t	intrp;
4391 
4392 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_intrs"));
4393 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
4394 	if (!intrp->intr_registered) {
4395 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
4396 			"<== nxge_remove_intrs: interrupts not registered"));
4397 		return;
4398 	}
4399 
4400 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_intrs:advanced"));
4401 
4402 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
4403 		(void) ddi_intr_block_disable(intrp->htable,
4404 			intrp->intr_added);
4405 	} else {
4406 		for (i = 0; i < intrp->intr_added; i++) {
4407 			(void) ddi_intr_disable(intrp->htable[i]);
4408 		}
4409 	}
4410 
4411 	for (inum = 0; inum < intrp->intr_added; inum++) {
4412 		if (intrp->htable[inum]) {
4413 			(void) ddi_intr_remove_handler(intrp->htable[inum]);
4414 		}
4415 	}
4416 
4417 	for (inum = 0; inum < intrp->msi_intx_cnt; inum++) {
4418 		if (intrp->htable[inum]) {
4419 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
4420 				"nxge_remove_intrs: ddi_intr_free inum %d "
4421 				"msi_intx_cnt %d intr_added %d",
4422 				inum,
4423 				intrp->msi_intx_cnt,
4424 				intrp->intr_added));
4425 
4426 			(void) ddi_intr_free(intrp->htable[inum]);
4427 		}
4428 	}
4429 
4430 	kmem_free(intrp->htable, intrp->intr_size);
4431 	intrp->intr_registered = B_FALSE;
4432 	intrp->intr_enabled = B_FALSE;
4433 	intrp->msi_intx_cnt = 0;
4434 	intrp->intr_added = 0;
4435 
4436 	(void) nxge_ldgv_uninit(nxgep);
4437 
4438 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_remove_intrs"));
4439 }
4440 
4441 /*ARGSUSED*/
4442 static void
4443 nxge_remove_soft_intrs(p_nxge_t nxgep)
4444 {
4445 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_soft_intrs"));
4446 	if (nxgep->resched_id) {
4447 		ddi_remove_softintr(nxgep->resched_id);
4448 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
4449 			"==> nxge_remove_soft_intrs: removed"));
4450 		nxgep->resched_id = NULL;
4451 	}
4452 
4453 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_remove_soft_intrs"));
4454 }
4455 
4456 /*ARGSUSED*/
4457 static void
4458 nxge_intrs_enable(p_nxge_t nxgep)
4459 {
4460 	p_nxge_intr_t	intrp;
4461 	int		i;
4462 	int		status;
4463 
4464 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable"));
4465 
4466 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
4467 
4468 	if (!intrp->intr_registered) {
4469 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_intrs_enable: "
4470 			"interrupts are not registered"));
4471 		return;
4472 	}
4473 
4474 	if (intrp->intr_enabled) {
4475 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
4476 			"<== nxge_intrs_enable: already enabled"));
4477 		return;
4478 	}
4479 
4480 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
4481 		status = ddi_intr_block_enable(intrp->htable,
4482 			intrp->intr_added);
4483 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable "
4484 			"block enable - status 0x%x total inums #%d\n",
4485 			status, intrp->intr_added));
4486 	} else {
4487 		for (i = 0; i < intrp->intr_added; i++) {
4488 			status = ddi_intr_enable(intrp->htable[i]);
4489 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable "
4490 				"ddi_intr_enable:enable - status 0x%x "
4491 				"total inums %d enable inum #%d\n",
4492 				status, intrp->intr_added, i));
4493 			if (status == DDI_SUCCESS) {
4494 				intrp->intr_enabled = B_TRUE;
4495 			}
4496 		}
4497 	}
4498 
4499 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_enable"));
4500 }
4501 
4502 /*ARGSUSED*/
4503 static void
4504 nxge_intrs_disable(p_nxge_t nxgep)
4505 {
4506 	p_nxge_intr_t	intrp;
4507 	int		i;
4508 
4509 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_disable"));
4510 
4511 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
4512 
4513 	if (!intrp->intr_registered) {
4514 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_disable: "
4515 			"interrupts are not registered"));
4516 		return;
4517 	}
4518 
4519 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
4520 		(void) ddi_intr_block_disable(intrp->htable,
4521 			intrp->intr_added);
4522 	} else {
4523 		for (i = 0; i < intrp->intr_added; i++) {
4524 			(void) ddi_intr_disable(intrp->htable[i]);
4525 		}
4526 	}
4527 
4528 	intrp->intr_enabled = B_FALSE;
4529 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_disable"));
4530 }
4531 
4532 static nxge_status_t
4533 nxge_mac_register(p_nxge_t nxgep)
4534 {
4535 	mac_register_t *macp;
4536 	int		status;
4537 
4538 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_mac_register"));
4539 
4540 	if ((macp = mac_alloc(MAC_VERSION)) == NULL)
4541 		return (NXGE_ERROR);
4542 
4543 	macp->m_type_ident = MAC_PLUGIN_IDENT_ETHER;
4544 	macp->m_driver = nxgep;
4545 	macp->m_dip = nxgep->dip;
4546 	macp->m_src_addr = nxgep->ouraddr.ether_addr_octet;
4547 	macp->m_callbacks = &nxge_m_callbacks;
4548 	macp->m_min_sdu = 0;
4549 	macp->m_max_sdu = nxgep->mac.maxframesize -
4550 		sizeof (struct ether_header) - ETHERFCSL - 4;
4551 
4552 	status = mac_register(macp, &nxgep->mach);
4553 	mac_free(macp);
4554 
4555 	if (status != 0) {
4556 		cmn_err(CE_WARN,
4557 			"!nxge_mac_register failed (status %d instance %d)",
4558 			status, nxgep->instance);
4559 		return (NXGE_ERROR);
4560 	}
4561 
4562 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_mac_register success "
4563 		"(instance %d)", nxgep->instance));
4564 
4565 	return (NXGE_OK);
4566 }
4567 
4568 void
4569 nxge_err_inject(p_nxge_t nxgep, queue_t *wq, mblk_t *mp)
4570 {
4571 	ssize_t		size;
4572 	mblk_t		*nmp;
4573 	uint8_t		blk_id;
4574 	uint8_t		chan;
4575 	uint32_t	err_id;
4576 	err_inject_t	*eip;
4577 
4578 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_err_inject"));
4579 
4580 	size = 1024;
4581 	nmp = mp->b_cont;
4582 	eip = (err_inject_t *)nmp->b_rptr;
4583 	blk_id = eip->blk_id;
4584 	err_id = eip->err_id;
4585 	chan = eip->chan;
4586 	cmn_err(CE_NOTE, "!blk_id = 0x%x\n", blk_id);
4587 	cmn_err(CE_NOTE, "!err_id = 0x%x\n", err_id);
4588 	cmn_err(CE_NOTE, "!chan = 0x%x\n", chan);
4589 	switch (blk_id) {
4590 	case MAC_BLK_ID:
4591 		break;
4592 	case TXMAC_BLK_ID:
4593 		break;
4594 	case RXMAC_BLK_ID:
4595 		break;
4596 	case MIF_BLK_ID:
4597 		break;
4598 	case IPP_BLK_ID:
4599 		nxge_ipp_inject_err(nxgep, err_id);
4600 		break;
4601 	case TXC_BLK_ID:
4602 		nxge_txc_inject_err(nxgep, err_id);
4603 		break;
4604 	case TXDMA_BLK_ID:
4605 		nxge_txdma_inject_err(nxgep, err_id, chan);
4606 		break;
4607 	case RXDMA_BLK_ID:
4608 		nxge_rxdma_inject_err(nxgep, err_id, chan);
4609 		break;
4610 	case ZCP_BLK_ID:
4611 		nxge_zcp_inject_err(nxgep, err_id);
4612 		break;
4613 	case ESPC_BLK_ID:
4614 		break;
4615 	case FFLP_BLK_ID:
4616 		break;
4617 	case PHY_BLK_ID:
4618 		break;
4619 	case ETHER_SERDES_BLK_ID:
4620 		break;
4621 	case PCIE_SERDES_BLK_ID:
4622 		break;
4623 	case VIR_BLK_ID:
4624 		break;
4625 	}
4626 
4627 	nmp->b_wptr = nmp->b_rptr + size;
4628 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "<== nxge_err_inject"));
4629 
4630 	miocack(wq, mp, (int)size, 0);
4631 }
4632 
4633 static int
4634 nxge_init_common_dev(p_nxge_t nxgep)
4635 {
4636 	p_nxge_hw_list_t	hw_p;
4637 	dev_info_t 		*p_dip;
4638 
4639 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==> nxge_init_common_device"));
4640 
4641 	p_dip = nxgep->p_dip;
4642 	MUTEX_ENTER(&nxge_common_lock);
4643 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4644 		"==> nxge_init_common_dev:func # %d",
4645 			nxgep->function_num));
4646 	/*
4647 	 * Loop through existing per neptune hardware list.
4648 	 */
4649 	for (hw_p = nxge_hw_list; hw_p; hw_p = hw_p->next) {
4650 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4651 			"==> nxge_init_common_device:func # %d "
4652 			"hw_p $%p parent dip $%p",
4653 			nxgep->function_num,
4654 			hw_p,
4655 			p_dip));
4656 		if (hw_p->parent_devp == p_dip) {
4657 			nxgep->nxge_hw_p = hw_p;
4658 			hw_p->ndevs++;
4659 			hw_p->nxge_p[nxgep->function_num] = nxgep;
4660 			NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4661 				"==> nxge_init_common_device:func # %d "
4662 				"hw_p $%p parent dip $%p "
4663 				"ndevs %d (found)",
4664 				nxgep->function_num,
4665 				hw_p,
4666 				p_dip,
4667 				hw_p->ndevs));
4668 			break;
4669 		}
4670 	}
4671 
4672 	if (hw_p == NULL) {
4673 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4674 			"==> nxge_init_common_device:func # %d "
4675 			"parent dip $%p (new)",
4676 			nxgep->function_num,
4677 			p_dip));
4678 		hw_p = kmem_zalloc(sizeof (nxge_hw_list_t), KM_SLEEP);
4679 		hw_p->parent_devp = p_dip;
4680 		hw_p->magic = NXGE_NEPTUNE_MAGIC;
4681 		nxgep->nxge_hw_p = hw_p;
4682 		hw_p->ndevs++;
4683 		hw_p->nxge_p[nxgep->function_num] = nxgep;
4684 		hw_p->next = nxge_hw_list;
4685 
4686 		MUTEX_INIT(&hw_p->nxge_cfg_lock, NULL, MUTEX_DRIVER, NULL);
4687 		MUTEX_INIT(&hw_p->nxge_tcam_lock, NULL, MUTEX_DRIVER, NULL);
4688 		MUTEX_INIT(&hw_p->nxge_vlan_lock, NULL, MUTEX_DRIVER, NULL);
4689 		MUTEX_INIT(&hw_p->nxge_mdio_lock, NULL, MUTEX_DRIVER, NULL);
4690 		MUTEX_INIT(&hw_p->nxge_mii_lock, NULL, MUTEX_DRIVER, NULL);
4691 
4692 		nxge_hw_list = hw_p;
4693 	}
4694 
4695 	MUTEX_EXIT(&nxge_common_lock);
4696 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4697 		"==> nxge_init_common_device (nxge_hw_list) $%p",
4698 		nxge_hw_list));
4699 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<== nxge_init_common_device"));
4700 
4701 	return (NXGE_OK);
4702 }
4703 
4704 static void
4705 nxge_uninit_common_dev(p_nxge_t nxgep)
4706 {
4707 	p_nxge_hw_list_t	hw_p, h_hw_p;
4708 	dev_info_t 		*p_dip;
4709 
4710 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==> nxge_uninit_common_device"));
4711 	if (nxgep->nxge_hw_p == NULL) {
4712 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4713 			"<== nxge_uninit_common_device (no common)"));
4714 		return;
4715 	}
4716 
4717 	MUTEX_ENTER(&nxge_common_lock);
4718 	h_hw_p = nxge_hw_list;
4719 	for (hw_p = nxge_hw_list; hw_p; hw_p = hw_p->next) {
4720 		p_dip = hw_p->parent_devp;
4721 		if (nxgep->nxge_hw_p == hw_p &&
4722 			p_dip == nxgep->p_dip &&
4723 			nxgep->nxge_hw_p->magic == NXGE_NEPTUNE_MAGIC &&
4724 			hw_p->magic == NXGE_NEPTUNE_MAGIC) {
4725 
4726 			NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4727 				"==> nxge_uninit_common_device:func # %d "
4728 				"hw_p $%p parent dip $%p "
4729 				"ndevs %d (found)",
4730 				nxgep->function_num,
4731 				hw_p,
4732 				p_dip,
4733 				hw_p->ndevs));
4734 
4735 			nxgep->nxge_hw_p = NULL;
4736 			if (hw_p->ndevs) {
4737 				hw_p->ndevs--;
4738 			}
4739 			hw_p->nxge_p[nxgep->function_num] = NULL;
4740 			if (!hw_p->ndevs) {
4741 				MUTEX_DESTROY(&hw_p->nxge_vlan_lock);
4742 				MUTEX_DESTROY(&hw_p->nxge_tcam_lock);
4743 				MUTEX_DESTROY(&hw_p->nxge_cfg_lock);
4744 				MUTEX_DESTROY(&hw_p->nxge_mdio_lock);
4745 				MUTEX_DESTROY(&hw_p->nxge_mii_lock);
4746 				NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4747 					"==> nxge_uninit_common_device: "
4748 					"func # %d "
4749 					"hw_p $%p parent dip $%p "
4750 					"ndevs %d (last)",
4751 					nxgep->function_num,
4752 					hw_p,
4753 					p_dip,
4754 					hw_p->ndevs));
4755 
4756 				if (hw_p == nxge_hw_list) {
4757 					NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4758 						"==> nxge_uninit_common_device:"
4759 						"remove head func # %d "
4760 						"hw_p $%p parent dip $%p "
4761 						"ndevs %d (head)",
4762 						nxgep->function_num,
4763 						hw_p,
4764 						p_dip,
4765 						hw_p->ndevs));
4766 					nxge_hw_list = hw_p->next;
4767 				} else {
4768 					NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4769 						"==> nxge_uninit_common_device:"
4770 						"remove middle func # %d "
4771 						"hw_p $%p parent dip $%p "
4772 						"ndevs %d (middle)",
4773 						nxgep->function_num,
4774 						hw_p,
4775 						p_dip,
4776 						hw_p->ndevs));
4777 					h_hw_p->next = hw_p->next;
4778 				}
4779 
4780 				KMEM_FREE(hw_p, sizeof (nxge_hw_list_t));
4781 			}
4782 			break;
4783 		} else {
4784 			h_hw_p = hw_p;
4785 		}
4786 	}
4787 
4788 	MUTEX_EXIT(&nxge_common_lock);
4789 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4790 		"==> nxge_uninit_common_device (nxge_hw_list) $%p",
4791 		nxge_hw_list));
4792 
4793 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<= nxge_uninit_common_device"));
4794 }
4795