xref: /titanic_44/usr/src/uts/common/io/nxge/nxge_main.c (revision ee5416c9d7e449233197d5d20bc6b81e4ff091b2)
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  * PSARC/2007/453 MSI-X interrupt limit override
39  * (This PSARC case is limited to MSI-X vectors
40  *  and SPARC platforms only).
41  */
42 #if defined(_BIG_ENDIAN)
43 uint32_t	nxge_msi_enable = 2;
44 #else
45 uint32_t	nxge_msi_enable = 1;
46 #endif
47 
48 /*
49  * Globals: tunable parameters (/etc/system or adb)
50  *
51  */
52 uint32_t 	nxge_rbr_size = NXGE_RBR_RBB_DEFAULT;
53 uint32_t 	nxge_rbr_spare_size = 0;
54 uint32_t 	nxge_rcr_size = NXGE_RCR_DEFAULT;
55 uint32_t 	nxge_tx_ring_size = NXGE_TX_RING_DEFAULT;
56 boolean_t 	nxge_no_msg = B_TRUE;		/* control message display */
57 uint32_t 	nxge_no_link_notify = 0;	/* control DL_NOTIFY */
58 uint32_t 	nxge_bcopy_thresh = TX_BCOPY_MAX;
59 uint32_t 	nxge_dvma_thresh = TX_FASTDVMA_MIN;
60 uint32_t 	nxge_dma_stream_thresh = TX_STREAM_MIN;
61 uint32_t	nxge_jumbo_mtu	= TX_JUMBO_MTU;
62 boolean_t	nxge_jumbo_enable = B_FALSE;
63 uint16_t	nxge_rcr_timeout = NXGE_RDC_RCR_TIMEOUT;
64 uint16_t	nxge_rcr_threshold = NXGE_RDC_RCR_THRESHOLD;
65 nxge_tx_mode_t	nxge_tx_scheme = NXGE_USE_SERIAL;
66 
67 /*
68  * Debugging flags:
69  *		nxge_no_tx_lb : transmit load balancing
70  *		nxge_tx_lb_policy: 0 - TCP port (default)
71  *				   3 - DEST MAC
72  */
73 uint32_t 	nxge_no_tx_lb = 0;
74 uint32_t 	nxge_tx_lb_policy = NXGE_TX_LB_TCPUDP;
75 
76 /*
77  * Add tunable to reduce the amount of time spent in the
78  * ISR doing Rx Processing.
79  */
80 uint32_t nxge_max_rx_pkts = 1024;
81 
82 /*
83  * Tunables to manage the receive buffer blocks.
84  *
85  * nxge_rx_threshold_hi: copy all buffers.
86  * nxge_rx_bcopy_size_type: receive buffer block size type.
87  * nxge_rx_threshold_lo: copy only up to tunable block size type.
88  */
89 nxge_rxbuf_threshold_t nxge_rx_threshold_hi = NXGE_RX_COPY_6;
90 nxge_rxbuf_type_t nxge_rx_buf_size_type = RCR_PKTBUFSZ_0;
91 nxge_rxbuf_threshold_t nxge_rx_threshold_lo = NXGE_RX_COPY_3;
92 
93 rtrace_t npi_rtracebuf;
94 
95 #if	defined(sun4v)
96 /*
97  * Hypervisor N2/NIU services information.
98  */
99 static hsvc_info_t niu_hsvc = {
100 	HSVC_REV_1, NULL, HSVC_GROUP_NIU, NIU_MAJOR_VER,
101 	NIU_MINOR_VER, "nxge"
102 };
103 #endif
104 
105 /*
106  * Function Prototypes
107  */
108 static int nxge_attach(dev_info_t *, ddi_attach_cmd_t);
109 static int nxge_detach(dev_info_t *, ddi_detach_cmd_t);
110 static void nxge_unattach(p_nxge_t);
111 
112 #if NXGE_PROPERTY
113 static void nxge_remove_hard_properties(p_nxge_t);
114 #endif
115 
116 static nxge_status_t nxge_setup_system_dma_pages(p_nxge_t);
117 
118 static nxge_status_t nxge_setup_mutexes(p_nxge_t);
119 static void nxge_destroy_mutexes(p_nxge_t);
120 
121 static nxge_status_t nxge_map_regs(p_nxge_t nxgep);
122 static void nxge_unmap_regs(p_nxge_t nxgep);
123 #ifdef	NXGE_DEBUG
124 static void nxge_test_map_regs(p_nxge_t nxgep);
125 #endif
126 
127 static nxge_status_t nxge_add_intrs(p_nxge_t nxgep);
128 static nxge_status_t nxge_add_soft_intrs(p_nxge_t nxgep);
129 static void nxge_remove_intrs(p_nxge_t nxgep);
130 static void nxge_remove_soft_intrs(p_nxge_t nxgep);
131 
132 static nxge_status_t nxge_add_intrs_adv(p_nxge_t nxgep);
133 static nxge_status_t nxge_add_intrs_adv_type(p_nxge_t, uint32_t);
134 static nxge_status_t nxge_add_intrs_adv_type_fix(p_nxge_t, uint32_t);
135 static void nxge_intrs_enable(p_nxge_t nxgep);
136 static void nxge_intrs_disable(p_nxge_t nxgep);
137 
138 static void nxge_suspend(p_nxge_t);
139 static nxge_status_t nxge_resume(p_nxge_t);
140 
141 static nxge_status_t nxge_setup_dev(p_nxge_t);
142 static void nxge_destroy_dev(p_nxge_t);
143 
144 static nxge_status_t nxge_alloc_mem_pool(p_nxge_t);
145 static void nxge_free_mem_pool(p_nxge_t);
146 
147 static nxge_status_t nxge_alloc_rx_mem_pool(p_nxge_t);
148 static void nxge_free_rx_mem_pool(p_nxge_t);
149 
150 static nxge_status_t nxge_alloc_tx_mem_pool(p_nxge_t);
151 static void nxge_free_tx_mem_pool(p_nxge_t);
152 
153 static nxge_status_t nxge_dma_mem_alloc(p_nxge_t, dma_method_t,
154 	struct ddi_dma_attr *,
155 	size_t, ddi_device_acc_attr_t *, uint_t,
156 	p_nxge_dma_common_t);
157 
158 static void nxge_dma_mem_free(p_nxge_dma_common_t);
159 
160 static nxge_status_t nxge_alloc_rx_buf_dma(p_nxge_t, uint16_t,
161 	p_nxge_dma_common_t *, size_t, size_t, uint32_t *);
162 static void nxge_free_rx_buf_dma(p_nxge_t, p_nxge_dma_common_t, uint32_t);
163 
164 static nxge_status_t nxge_alloc_rx_cntl_dma(p_nxge_t, uint16_t,
165 	p_nxge_dma_common_t *, size_t);
166 static void nxge_free_rx_cntl_dma(p_nxge_t, p_nxge_dma_common_t);
167 
168 static nxge_status_t nxge_alloc_tx_buf_dma(p_nxge_t, uint16_t,
169 	p_nxge_dma_common_t *, size_t, size_t, uint32_t *);
170 static void nxge_free_tx_buf_dma(p_nxge_t, p_nxge_dma_common_t, uint32_t);
171 
172 static nxge_status_t nxge_alloc_tx_cntl_dma(p_nxge_t, uint16_t,
173 	p_nxge_dma_common_t *,
174 	size_t);
175 static void nxge_free_tx_cntl_dma(p_nxge_t, p_nxge_dma_common_t);
176 
177 static int nxge_init_common_dev(p_nxge_t);
178 static void nxge_uninit_common_dev(p_nxge_t);
179 
180 /*
181  * The next declarations are for the GLDv3 interface.
182  */
183 static int nxge_m_start(void *);
184 static void nxge_m_stop(void *);
185 static int nxge_m_unicst(void *, const uint8_t *);
186 static int nxge_m_multicst(void *, boolean_t, const uint8_t *);
187 static int nxge_m_promisc(void *, boolean_t);
188 static void nxge_m_ioctl(void *, queue_t *, mblk_t *);
189 static void nxge_m_resources(void *);
190 mblk_t *nxge_m_tx(void *arg, mblk_t *);
191 static nxge_status_t nxge_mac_register(p_nxge_t);
192 static int nxge_altmac_set(p_nxge_t nxgep, uint8_t *mac_addr,
193 	mac_addr_slot_t slot);
194 static void nxge_mmac_kstat_update(p_nxge_t nxgep, mac_addr_slot_t slot,
195 	boolean_t factory);
196 static int nxge_m_mmac_add(void *arg, mac_multi_addr_t *maddr);
197 static int nxge_m_mmac_reserve(void *arg, mac_multi_addr_t *maddr);
198 static int nxge_m_mmac_remove(void *arg, mac_addr_slot_t slot);
199 static int nxge_m_mmac_modify(void *arg, mac_multi_addr_t *maddr);
200 static int nxge_m_mmac_get(void *arg, mac_multi_addr_t *maddr);
201 
202 #define	NXGE_NEPTUNE_MAGIC	0x4E584745UL
203 #define	MAX_DUMP_SZ 256
204 
205 #define	NXGE_M_CALLBACK_FLAGS	(MC_RESOURCES | MC_IOCTL | MC_GETCAPAB)
206 
207 static	boolean_t	nxge_m_getcapab(void *, mac_capab_t, void *);
208 static mac_callbacks_t nxge_m_callbacks = {
209 	NXGE_M_CALLBACK_FLAGS,
210 	nxge_m_stat,
211 	nxge_m_start,
212 	nxge_m_stop,
213 	nxge_m_promisc,
214 	nxge_m_multicst,
215 	nxge_m_unicst,
216 	nxge_m_tx,
217 	nxge_m_resources,
218 	nxge_m_ioctl,
219 	nxge_m_getcapab
220 };
221 
222 void
223 nxge_err_inject(p_nxge_t, queue_t *, mblk_t *);
224 
225 /* PSARC/2007/453 MSI-X interrupt limit override. */
226 #define	NXGE_MSIX_REQUEST_10G	8
227 #define	NXGE_MSIX_REQUEST_1G	2
228 static int nxge_create_msi_property(p_nxge_t);
229 
230 /*
231  * These global variables control the message
232  * output.
233  */
234 out_dbgmsg_t nxge_dbgmsg_out = DBG_CONSOLE | STR_LOG;
235 uint64_t nxge_debug_level = 0;
236 
237 /*
238  * This list contains the instance structures for the Neptune
239  * devices present in the system. The lock exists to guarantee
240  * mutually exclusive access to the list.
241  */
242 void 			*nxge_list = NULL;
243 
244 void			*nxge_hw_list = NULL;
245 nxge_os_mutex_t 	nxge_common_lock;
246 
247 nxge_os_mutex_t		nxge_mii_lock;
248 static uint32_t		nxge_mii_lock_init = 0;
249 nxge_os_mutex_t		nxge_mdio_lock;
250 static uint32_t		nxge_mdio_lock_init = 0;
251 
252 extern uint64_t 	npi_debug_level;
253 
254 extern nxge_status_t	nxge_ldgv_init(p_nxge_t, int *, int *);
255 extern nxge_status_t	nxge_ldgv_init_n2(p_nxge_t, int *, int *);
256 extern nxge_status_t	nxge_ldgv_uninit(p_nxge_t);
257 extern nxge_status_t	nxge_intr_ldgv_init(p_nxge_t);
258 extern void		nxge_fm_init(p_nxge_t,
259 					ddi_device_acc_attr_t *,
260 					ddi_device_acc_attr_t *,
261 					ddi_dma_attr_t *);
262 extern void		nxge_fm_fini(p_nxge_t);
263 extern npi_status_t	npi_mac_altaddr_disable(npi_handle_t, uint8_t, uint8_t);
264 
265 /*
266  * Count used to maintain the number of buffers being used
267  * by Neptune instances and loaned up to the upper layers.
268  */
269 uint32_t nxge_mblks_pending = 0;
270 
271 /*
272  * Device register access attributes for PIO.
273  */
274 static ddi_device_acc_attr_t nxge_dev_reg_acc_attr = {
275 	DDI_DEVICE_ATTR_V0,
276 	DDI_STRUCTURE_LE_ACC,
277 	DDI_STRICTORDER_ACC,
278 };
279 
280 /*
281  * Device descriptor access attributes for DMA.
282  */
283 static ddi_device_acc_attr_t nxge_dev_desc_dma_acc_attr = {
284 	DDI_DEVICE_ATTR_V0,
285 	DDI_STRUCTURE_LE_ACC,
286 	DDI_STRICTORDER_ACC
287 };
288 
289 /*
290  * Device buffer access attributes for DMA.
291  */
292 static ddi_device_acc_attr_t nxge_dev_buf_dma_acc_attr = {
293 	DDI_DEVICE_ATTR_V0,
294 	DDI_STRUCTURE_BE_ACC,
295 	DDI_STRICTORDER_ACC
296 };
297 
298 ddi_dma_attr_t nxge_desc_dma_attr = {
299 	DMA_ATTR_V0,		/* version number. */
300 	0,			/* low address */
301 	0xffffffffffffffff,	/* high address */
302 	0xffffffffffffffff,	/* address counter max */
303 #ifndef NIU_PA_WORKAROUND
304 	0x100000,		/* alignment */
305 #else
306 	0x2000,
307 #endif
308 	0xfc00fc,		/* dlim_burstsizes */
309 	0x1,			/* minimum transfer size */
310 	0xffffffffffffffff,	/* maximum transfer size */
311 	0xffffffffffffffff,	/* maximum segment size */
312 	1,			/* scatter/gather list length */
313 	(unsigned int) 1,	/* granularity */
314 	0			/* attribute flags */
315 };
316 
317 ddi_dma_attr_t nxge_tx_dma_attr = {
318 	DMA_ATTR_V0,		/* version number. */
319 	0,			/* low address */
320 	0xffffffffffffffff,	/* high address */
321 	0xffffffffffffffff,	/* address counter max */
322 #if defined(_BIG_ENDIAN)
323 	0x2000,			/* alignment */
324 #else
325 	0x1000,			/* alignment */
326 #endif
327 	0xfc00fc,		/* dlim_burstsizes */
328 	0x1,			/* minimum transfer size */
329 	0xffffffffffffffff,	/* maximum transfer size */
330 	0xffffffffffffffff,	/* maximum segment size */
331 	5,			/* scatter/gather list length */
332 	(unsigned int) 1,	/* granularity */
333 	0			/* attribute flags */
334 };
335 
336 ddi_dma_attr_t nxge_rx_dma_attr = {
337 	DMA_ATTR_V0,		/* version number. */
338 	0,			/* low address */
339 	0xffffffffffffffff,	/* high address */
340 	0xffffffffffffffff,	/* address counter max */
341 	0x2000,			/* alignment */
342 	0xfc00fc,		/* dlim_burstsizes */
343 	0x1,			/* minimum transfer size */
344 	0xffffffffffffffff,	/* maximum transfer size */
345 	0xffffffffffffffff,	/* maximum segment size */
346 	1,			/* scatter/gather list length */
347 	(unsigned int) 1,	/* granularity */
348 	DDI_DMA_RELAXED_ORDERING /* attribute flags */
349 };
350 
351 ddi_dma_lim_t nxge_dma_limits = {
352 	(uint_t)0,		/* dlim_addr_lo */
353 	(uint_t)0xffffffff,	/* dlim_addr_hi */
354 	(uint_t)0xffffffff,	/* dlim_cntr_max */
355 	(uint_t)0xfc00fc,	/* dlim_burstsizes for 32 and 64 bit xfers */
356 	0x1,			/* dlim_minxfer */
357 	1024			/* dlim_speed */
358 };
359 
360 dma_method_t nxge_force_dma = DVMA;
361 
362 /*
363  * dma chunk sizes.
364  *
365  * Try to allocate the largest possible size
366  * so that fewer number of dma chunks would be managed
367  */
368 #ifdef NIU_PA_WORKAROUND
369 size_t alloc_sizes [] = {0x2000};
370 #else
371 size_t alloc_sizes [] = {0x1000, 0x2000, 0x4000, 0x8000,
372 		0x10000, 0x20000, 0x40000, 0x80000,
373 		0x100000, 0x200000, 0x400000, 0x800000, 0x1000000};
374 #endif
375 
376 /*
377  * Translate "dev_t" to a pointer to the associated "dev_info_t".
378  */
379 
380 static int
381 nxge_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
382 {
383 	p_nxge_t	nxgep = NULL;
384 	int		instance;
385 	int		status = DDI_SUCCESS;
386 	uint8_t		portn;
387 	nxge_mmac_t	*mmac_info;
388 
389 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_attach"));
390 
391 	/*
392 	 * Get the device instance since we'll need to setup
393 	 * or retrieve a soft state for this instance.
394 	 */
395 	instance = ddi_get_instance(dip);
396 
397 	switch (cmd) {
398 	case DDI_ATTACH:
399 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_ATTACH"));
400 		break;
401 
402 	case DDI_RESUME:
403 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_RESUME"));
404 		nxgep = (p_nxge_t)ddi_get_soft_state(nxge_list, instance);
405 		if (nxgep == NULL) {
406 			status = DDI_FAILURE;
407 			break;
408 		}
409 		if (nxgep->dip != dip) {
410 			status = DDI_FAILURE;
411 			break;
412 		}
413 		if (nxgep->suspended == DDI_PM_SUSPEND) {
414 			status = ddi_dev_is_needed(nxgep->dip, 0, 1);
415 		} else {
416 			status = nxge_resume(nxgep);
417 		}
418 		goto nxge_attach_exit;
419 
420 	case DDI_PM_RESUME:
421 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_PM_RESUME"));
422 		nxgep = (p_nxge_t)ddi_get_soft_state(nxge_list, instance);
423 		if (nxgep == NULL) {
424 			status = DDI_FAILURE;
425 			break;
426 		}
427 		if (nxgep->dip != dip) {
428 			status = DDI_FAILURE;
429 			break;
430 		}
431 		status = nxge_resume(nxgep);
432 		goto nxge_attach_exit;
433 
434 	default:
435 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing unknown"));
436 		status = DDI_FAILURE;
437 		goto nxge_attach_exit;
438 	}
439 
440 
441 	if (ddi_soft_state_zalloc(nxge_list, instance) == DDI_FAILURE) {
442 		status = DDI_FAILURE;
443 		goto nxge_attach_exit;
444 	}
445 
446 	nxgep = ddi_get_soft_state(nxge_list, instance);
447 	if (nxgep == NULL) {
448 		status = NXGE_ERROR;
449 		goto nxge_attach_fail2;
450 	}
451 
452 	nxgep->nxge_magic = NXGE_MAGIC;
453 
454 	nxgep->drv_state = 0;
455 	nxgep->dip = dip;
456 	nxgep->instance = instance;
457 	nxgep->p_dip = ddi_get_parent(dip);
458 	nxgep->nxge_debug_level = nxge_debug_level;
459 	npi_debug_level = nxge_debug_level;
460 
461 	nxge_fm_init(nxgep, &nxge_dev_reg_acc_attr, &nxge_dev_desc_dma_acc_attr,
462 				&nxge_rx_dma_attr);
463 
464 	status = nxge_map_regs(nxgep);
465 	if (status != NXGE_OK) {
466 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "nxge_map_regs failed"));
467 		goto nxge_attach_fail3;
468 	}
469 
470 	status = nxge_init_common_dev(nxgep);
471 	if (status != NXGE_OK) {
472 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
473 			"nxge_init_common_dev failed"));
474 		goto nxge_attach_fail4;
475 	}
476 
477 	if (nxgep->niu_type == NEPTUNE_2_10GF) {
478 		if (nxgep->function_num > 1) {
479 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "Unsupported"
480 			    " function %d. Only functions 0 and 1 are "
481 			    "supported for this card.", nxgep->function_num));
482 			status = NXGE_ERROR;
483 			goto nxge_attach_fail4;
484 		}
485 	}
486 
487 	portn = NXGE_GET_PORT_NUM(nxgep->function_num);
488 	nxgep->mac.portnum = portn;
489 	if ((portn == 0) || (portn == 1))
490 		nxgep->mac.porttype = PORT_TYPE_XMAC;
491 	else
492 		nxgep->mac.porttype = PORT_TYPE_BMAC;
493 	/*
494 	 * Neptune has 4 ports, the first 2 ports use XMAC (10G MAC)
495 	 * internally, the rest 2 ports use BMAC (1G "Big" MAC).
496 	 * The two types of MACs have different characterizations.
497 	 */
498 	mmac_info = &nxgep->nxge_mmac_info;
499 	if (nxgep->function_num < 2) {
500 		mmac_info->num_mmac = XMAC_MAX_ALT_ADDR_ENTRY;
501 		mmac_info->naddrfree = XMAC_MAX_ALT_ADDR_ENTRY;
502 	} else {
503 		mmac_info->num_mmac = BMAC_MAX_ALT_ADDR_ENTRY;
504 		mmac_info->naddrfree = BMAC_MAX_ALT_ADDR_ENTRY;
505 	}
506 	/*
507 	 * Setup the Ndd parameters for the this instance.
508 	 */
509 	nxge_init_param(nxgep);
510 
511 	/*
512 	 * Setup Register Tracing Buffer.
513 	 */
514 	npi_rtrace_buf_init((rtrace_t *)&npi_rtracebuf);
515 
516 	/* init stats ptr */
517 	nxge_init_statsp(nxgep);
518 
519 	/*
520 	 * read the vpd info from the eeprom into local data
521 	 * structure and check for the VPD info validity
522 	 */
523 	nxge_vpd_info_get(nxgep);
524 
525 	status = nxge_xcvr_find(nxgep);
526 
527 	if (status != NXGE_OK) {
528 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "nxge_attach: "
529 				    " Couldn't determine card type"
530 				    " .... exit "));
531 		goto nxge_attach_fail5;
532 	}
533 
534 	status = nxge_get_config_properties(nxgep);
535 
536 	if (status != NXGE_OK) {
537 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "get_hw create failed"));
538 		goto nxge_attach_fail;
539 	}
540 
541 	/*
542 	 * Setup the Kstats for the driver.
543 	 */
544 	nxge_setup_kstats(nxgep);
545 
546 	nxge_setup_param(nxgep);
547 
548 	status = nxge_setup_system_dma_pages(nxgep);
549 	if (status != NXGE_OK) {
550 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "set dma page failed"));
551 		goto nxge_attach_fail;
552 	}
553 
554 #if	defined(sun4v)
555 	if (nxgep->niu_type == N2_NIU) {
556 		nxgep->niu_hsvc_available = B_FALSE;
557 		bcopy(&niu_hsvc, &nxgep->niu_hsvc, sizeof (hsvc_info_t));
558 		if ((status =
559 			hsvc_register(&nxgep->niu_hsvc,
560 					&nxgep->niu_min_ver)) != 0) {
561 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
562 					"nxge_attach: "
563 					"%s: cannot negotiate "
564 					"hypervisor services "
565 					"revision %d "
566 					"group: 0x%lx "
567 					"major: 0x%lx minor: 0x%lx "
568 					"errno: %d",
569 					niu_hsvc.hsvc_modname,
570 					niu_hsvc.hsvc_rev,
571 					niu_hsvc.hsvc_group,
572 					niu_hsvc.hsvc_major,
573 					niu_hsvc.hsvc_minor,
574 					status));
575 				status = DDI_FAILURE;
576 				goto nxge_attach_fail;
577 		}
578 
579 		nxgep->niu_hsvc_available = B_TRUE;
580 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
581 			"NIU Hypervisor service enabled"));
582 	}
583 #endif
584 
585 	nxge_hw_id_init(nxgep);
586 	nxge_hw_init_niu_common(nxgep);
587 
588 	status = nxge_setup_mutexes(nxgep);
589 	if (status != NXGE_OK) {
590 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "set mutex failed"));
591 		goto nxge_attach_fail;
592 	}
593 
594 	status = nxge_setup_dev(nxgep);
595 	if (status != DDI_SUCCESS) {
596 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "set dev failed"));
597 		goto nxge_attach_fail;
598 	}
599 
600 	status = nxge_add_intrs(nxgep);
601 	if (status != DDI_SUCCESS) {
602 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "add_intr failed"));
603 		goto nxge_attach_fail;
604 	}
605 	status = nxge_add_soft_intrs(nxgep);
606 	if (status != DDI_SUCCESS) {
607 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL, "add_soft_intr failed"));
608 		goto nxge_attach_fail;
609 	}
610 
611 	/*
612 	 * Enable interrupts.
613 	 */
614 	nxge_intrs_enable(nxgep);
615 
616 	if ((status = nxge_mac_register(nxgep)) != NXGE_OK) {
617 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
618 			"unable to register to mac layer (%d)", status));
619 		goto nxge_attach_fail;
620 	}
621 
622 	mac_link_update(nxgep->mach, LINK_STATE_UNKNOWN);
623 
624 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "registered to mac (instance %d)",
625 		instance));
626 
627 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
628 
629 	goto nxge_attach_exit;
630 
631 nxge_attach_fail:
632 	nxge_unattach(nxgep);
633 	goto nxge_attach_fail1;
634 
635 nxge_attach_fail5:
636 	/*
637 	 * Tear down the ndd parameters setup.
638 	 */
639 	nxge_destroy_param(nxgep);
640 
641 	/*
642 	 * Tear down the kstat setup.
643 	 */
644 	nxge_destroy_kstats(nxgep);
645 
646 nxge_attach_fail4:
647 	if (nxgep->nxge_hw_p) {
648 		nxge_uninit_common_dev(nxgep);
649 		nxgep->nxge_hw_p = NULL;
650 	}
651 
652 nxge_attach_fail3:
653 	/*
654 	 * Unmap the register setup.
655 	 */
656 	nxge_unmap_regs(nxgep);
657 
658 	nxge_fm_fini(nxgep);
659 
660 nxge_attach_fail2:
661 	ddi_soft_state_free(nxge_list, nxgep->instance);
662 
663 nxge_attach_fail1:
664 	if (status != NXGE_OK)
665 		status = (NXGE_ERROR | NXGE_DDI_FAILED);
666 	nxgep = NULL;
667 
668 nxge_attach_exit:
669 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_attach status = 0x%08x",
670 		status));
671 
672 	return (status);
673 }
674 
675 static int
676 nxge_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
677 {
678 	int 		status = DDI_SUCCESS;
679 	int 		instance;
680 	p_nxge_t 	nxgep = NULL;
681 
682 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_detach"));
683 	instance = ddi_get_instance(dip);
684 	nxgep = ddi_get_soft_state(nxge_list, instance);
685 	if (nxgep == NULL) {
686 		status = DDI_FAILURE;
687 		goto nxge_detach_exit;
688 	}
689 
690 	switch (cmd) {
691 	case DDI_DETACH:
692 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_DETACH"));
693 		break;
694 
695 	case DDI_PM_SUSPEND:
696 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_PM_SUSPEND"));
697 		nxgep->suspended = DDI_PM_SUSPEND;
698 		nxge_suspend(nxgep);
699 		break;
700 
701 	case DDI_SUSPEND:
702 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_SUSPEND"));
703 		if (nxgep->suspended != DDI_PM_SUSPEND) {
704 			nxgep->suspended = DDI_SUSPEND;
705 			nxge_suspend(nxgep);
706 		}
707 		break;
708 
709 	default:
710 		status = DDI_FAILURE;
711 	}
712 
713 	if (cmd != DDI_DETACH)
714 		goto nxge_detach_exit;
715 
716 	/*
717 	 * Stop the xcvr polling.
718 	 */
719 	nxgep->suspended = cmd;
720 
721 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
722 
723 	if (nxgep->mach && (status = mac_unregister(nxgep->mach)) != 0) {
724 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
725 			"<== nxge_detach status = 0x%08X", status));
726 		return (DDI_FAILURE);
727 	}
728 
729 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
730 		"<== nxge_detach (mac_unregister) status = 0x%08X", status));
731 
732 	nxge_unattach(nxgep);
733 	nxgep = NULL;
734 
735 nxge_detach_exit:
736 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_detach status = 0x%08X",
737 		status));
738 
739 	return (status);
740 }
741 
742 static void
743 nxge_unattach(p_nxge_t nxgep)
744 {
745 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_unattach"));
746 
747 	if (nxgep == NULL || nxgep->dev_regs == NULL) {
748 		return;
749 	}
750 
751 	nxgep->nxge_magic = 0;
752 
753 	if (nxgep->nxge_hw_p) {
754 		nxge_uninit_common_dev(nxgep);
755 		nxgep->nxge_hw_p = NULL;
756 	}
757 
758 	if (nxgep->nxge_timerid) {
759 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
760 		nxgep->nxge_timerid = 0;
761 	}
762 
763 #if	defined(sun4v)
764 	if (nxgep->niu_type == N2_NIU && nxgep->niu_hsvc_available == B_TRUE) {
765 		(void) hsvc_unregister(&nxgep->niu_hsvc);
766 		nxgep->niu_hsvc_available = B_FALSE;
767 	}
768 #endif
769 	/*
770 	 * Stop any further interrupts.
771 	 */
772 	nxge_remove_intrs(nxgep);
773 
774 	/* remove soft interrups */
775 	nxge_remove_soft_intrs(nxgep);
776 
777 	/*
778 	 * Stop the device and free resources.
779 	 */
780 	nxge_destroy_dev(nxgep);
781 
782 	/*
783 	 * Tear down the ndd parameters setup.
784 	 */
785 	nxge_destroy_param(nxgep);
786 
787 	/*
788 	 * Tear down the kstat setup.
789 	 */
790 	nxge_destroy_kstats(nxgep);
791 
792 	/*
793 	 * Destroy all mutexes.
794 	 */
795 	nxge_destroy_mutexes(nxgep);
796 
797 	/*
798 	 * Remove the list of ndd parameters which
799 	 * were setup during attach.
800 	 */
801 	if (nxgep->dip) {
802 		NXGE_DEBUG_MSG((nxgep, OBP_CTL,
803 				    " nxge_unattach: remove all properties"));
804 
805 		(void) ddi_prop_remove_all(nxgep->dip);
806 	}
807 
808 #if NXGE_PROPERTY
809 	nxge_remove_hard_properties(nxgep);
810 #endif
811 
812 	/*
813 	 * Unmap the register setup.
814 	 */
815 	nxge_unmap_regs(nxgep);
816 
817 	nxge_fm_fini(nxgep);
818 
819 	ddi_soft_state_free(nxge_list, nxgep->instance);
820 
821 	NXGE_DEBUG_MSG((NULL, DDI_CTL, "<== nxge_unattach"));
822 }
823 
824 static char n2_siu_name[] = "niu";
825 
826 static nxge_status_t
827 nxge_map_regs(p_nxge_t nxgep)
828 {
829 	int		ddi_status = DDI_SUCCESS;
830 	p_dev_regs_t 	dev_regs;
831 	char		buf[MAXPATHLEN + 1];
832 	char 		*devname;
833 #ifdef	NXGE_DEBUG
834 	char 		*sysname;
835 #endif
836 	off_t		regsize;
837 	nxge_status_t	status = NXGE_OK;
838 #if !defined(_BIG_ENDIAN)
839 	off_t pci_offset;
840 	uint16_t pcie_devctl;
841 #endif
842 
843 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_map_regs"));
844 	nxgep->dev_regs = NULL;
845 	dev_regs = KMEM_ZALLOC(sizeof (dev_regs_t), KM_SLEEP);
846 	dev_regs->nxge_regh = NULL;
847 	dev_regs->nxge_pciregh = NULL;
848 	dev_regs->nxge_msix_regh = NULL;
849 	dev_regs->nxge_vir_regh = NULL;
850 	dev_regs->nxge_vir2_regh = NULL;
851 	nxgep->niu_type = NIU_TYPE_NONE;
852 
853 	devname = ddi_pathname(nxgep->dip, buf);
854 	ASSERT(strlen(devname) > 0);
855 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
856 		"nxge_map_regs: pathname devname %s", devname));
857 
858 	if (strstr(devname, n2_siu_name)) {
859 		/* N2/NIU */
860 		nxgep->niu_type = N2_NIU;
861 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
862 			"nxge_map_regs: N2/NIU devname %s", devname));
863 		/* get function number */
864 		nxgep->function_num =
865 			(devname[strlen(devname) -1] == '1' ? 1 : 0);
866 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
867 			"nxge_map_regs: N2/NIU function number %d",
868 			nxgep->function_num));
869 	} else {
870 		int		*prop_val;
871 		uint_t 		prop_len;
872 		uint8_t 	func_num;
873 
874 		if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, nxgep->dip,
875 				0, "reg",
876 				&prop_val, &prop_len) != DDI_PROP_SUCCESS) {
877 			NXGE_DEBUG_MSG((nxgep, VPD_CTL,
878 				"Reg property not found"));
879 			ddi_status = DDI_FAILURE;
880 			goto nxge_map_regs_fail0;
881 
882 		} else {
883 			func_num = (prop_val[0] >> 8) & 0x7;
884 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
885 				"Reg property found: fun # %d",
886 				func_num));
887 			nxgep->function_num = func_num;
888 			ddi_prop_free(prop_val);
889 		}
890 	}
891 
892 	switch (nxgep->niu_type) {
893 	default:
894 		(void) ddi_dev_regsize(nxgep->dip, 0, &regsize);
895 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
896 			"nxge_map_regs: pci config size 0x%x", regsize));
897 
898 		ddi_status = ddi_regs_map_setup(nxgep->dip, 0,
899 			(caddr_t *)&(dev_regs->nxge_pciregp), 0, 0,
900 			&nxge_dev_reg_acc_attr, &dev_regs->nxge_pciregh);
901 		if (ddi_status != DDI_SUCCESS) {
902 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
903 				"ddi_map_regs, nxge bus config regs failed"));
904 			goto nxge_map_regs_fail0;
905 		}
906 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
907 			"nxge_map_reg: PCI config addr 0x%0llx "
908 			" handle 0x%0llx", dev_regs->nxge_pciregp,
909 			dev_regs->nxge_pciregh));
910 			/*
911 			 * IMP IMP
912 			 * workaround  for bit swapping bug in HW
913 			 * which ends up in no-snoop = yes
914 			 * resulting, in DMA not synched properly
915 			 */
916 #if !defined(_BIG_ENDIAN)
917 		/* workarounds for x86 systems */
918 		pci_offset = 0x80 + PCIE_DEVCTL;
919 		pcie_devctl = 0x0;
920 		pcie_devctl &= PCIE_DEVCTL_ENABLE_NO_SNOOP;
921 		pcie_devctl |= PCIE_DEVCTL_RO_EN;
922 		pci_config_put16(dev_regs->nxge_pciregh, pci_offset,
923 				    pcie_devctl);
924 #endif
925 
926 		(void) ddi_dev_regsize(nxgep->dip, 1, &regsize);
927 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
928 			"nxge_map_regs: pio size 0x%x", regsize));
929 		/* set up the device mapped register */
930 		ddi_status = ddi_regs_map_setup(nxgep->dip, 1,
931 			(caddr_t *)&(dev_regs->nxge_regp), 0, 0,
932 			&nxge_dev_reg_acc_attr, &dev_regs->nxge_regh);
933 		if (ddi_status != DDI_SUCCESS) {
934 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
935 				"ddi_map_regs for Neptune global reg failed"));
936 			goto nxge_map_regs_fail1;
937 		}
938 
939 		/* set up the msi/msi-x mapped register */
940 		(void) ddi_dev_regsize(nxgep->dip, 2, &regsize);
941 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
942 			"nxge_map_regs: msix size 0x%x", regsize));
943 		ddi_status = ddi_regs_map_setup(nxgep->dip, 2,
944 			(caddr_t *)&(dev_regs->nxge_msix_regp), 0, 0,
945 			&nxge_dev_reg_acc_attr, &dev_regs->nxge_msix_regh);
946 		if (ddi_status != DDI_SUCCESS) {
947 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
948 				"ddi_map_regs for msi reg failed"));
949 			goto nxge_map_regs_fail2;
950 		}
951 
952 		/* set up the vio region mapped register */
953 		(void) ddi_dev_regsize(nxgep->dip, 3, &regsize);
954 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
955 			"nxge_map_regs: vio size 0x%x", regsize));
956 		ddi_status = ddi_regs_map_setup(nxgep->dip, 3,
957 			(caddr_t *)&(dev_regs->nxge_vir_regp), 0, 0,
958 			&nxge_dev_reg_acc_attr, &dev_regs->nxge_vir_regh);
959 
960 		if (ddi_status != DDI_SUCCESS) {
961 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
962 				"ddi_map_regs for nxge vio reg failed"));
963 			goto nxge_map_regs_fail3;
964 		}
965 		nxgep->dev_regs = dev_regs;
966 
967 		NPI_PCI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_pciregh);
968 		NPI_PCI_ADD_HANDLE_SET(nxgep,
969 			(npi_reg_ptr_t)dev_regs->nxge_pciregp);
970 		NPI_MSI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_msix_regh);
971 		NPI_MSI_ADD_HANDLE_SET(nxgep,
972 			(npi_reg_ptr_t)dev_regs->nxge_msix_regp);
973 
974 		NPI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
975 		NPI_ADD_HANDLE_SET(nxgep, (npi_reg_ptr_t)dev_regs->nxge_regp);
976 
977 		NPI_REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
978 		NPI_REG_ADD_HANDLE_SET(nxgep,
979 			(npi_reg_ptr_t)dev_regs->nxge_regp);
980 
981 		NPI_VREG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir_regh);
982 		NPI_VREG_ADD_HANDLE_SET(nxgep,
983 			(npi_reg_ptr_t)dev_regs->nxge_vir_regp);
984 
985 		break;
986 
987 	case N2_NIU:
988 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "ddi_map_regs, NIU"));
989 		/*
990 		 * Set up the device mapped register (FWARC 2006/556)
991 		 * (changed back to 1: reg starts at 1!)
992 		 */
993 		(void) ddi_dev_regsize(nxgep->dip, 1, &regsize);
994 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
995 			"nxge_map_regs: dev size 0x%x", regsize));
996 		ddi_status = ddi_regs_map_setup(nxgep->dip, 1,
997 				(caddr_t *)&(dev_regs->nxge_regp), 0, 0,
998 				&nxge_dev_reg_acc_attr, &dev_regs->nxge_regh);
999 
1000 		if (ddi_status != DDI_SUCCESS) {
1001 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1002 				"ddi_map_regs for N2/NIU, global reg failed "));
1003 			goto nxge_map_regs_fail1;
1004 		}
1005 
1006 		/* set up the vio region mapped register */
1007 		(void) ddi_dev_regsize(nxgep->dip, 2, &regsize);
1008 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1009 			"nxge_map_regs: vio (1) size 0x%x", regsize));
1010 		ddi_status = ddi_regs_map_setup(nxgep->dip, 2,
1011 			(caddr_t *)&(dev_regs->nxge_vir_regp), 0, 0,
1012 			&nxge_dev_reg_acc_attr, &dev_regs->nxge_vir_regh);
1013 
1014 		if (ddi_status != DDI_SUCCESS) {
1015 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1016 				"ddi_map_regs for nxge vio reg failed"));
1017 			goto nxge_map_regs_fail2;
1018 		}
1019 		/* set up the vio region mapped register */
1020 		(void) ddi_dev_regsize(nxgep->dip, 3, &regsize);
1021 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1022 			"nxge_map_regs: vio (3) size 0x%x", regsize));
1023 		ddi_status = ddi_regs_map_setup(nxgep->dip, 3,
1024 			(caddr_t *)&(dev_regs->nxge_vir2_regp), 0, 0,
1025 			&nxge_dev_reg_acc_attr, &dev_regs->nxge_vir2_regh);
1026 
1027 		if (ddi_status != DDI_SUCCESS) {
1028 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1029 				"ddi_map_regs for nxge vio2 reg failed"));
1030 			goto nxge_map_regs_fail3;
1031 		}
1032 		nxgep->dev_regs = dev_regs;
1033 
1034 		NPI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1035 		NPI_ADD_HANDLE_SET(nxgep, (npi_reg_ptr_t)dev_regs->nxge_regp);
1036 
1037 		NPI_REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1038 		NPI_REG_ADD_HANDLE_SET(nxgep,
1039 			(npi_reg_ptr_t)dev_regs->nxge_regp);
1040 
1041 		NPI_VREG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir_regh);
1042 		NPI_VREG_ADD_HANDLE_SET(nxgep,
1043 			(npi_reg_ptr_t)dev_regs->nxge_vir_regp);
1044 
1045 		NPI_V2REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir2_regh);
1046 		NPI_V2REG_ADD_HANDLE_SET(nxgep,
1047 			(npi_reg_ptr_t)dev_regs->nxge_vir2_regp);
1048 
1049 		break;
1050 	}
1051 
1052 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "nxge_map_reg: hardware addr 0x%0llx "
1053 		" handle 0x%0llx", dev_regs->nxge_regp, dev_regs->nxge_regh));
1054 
1055 	goto nxge_map_regs_exit;
1056 nxge_map_regs_fail3:
1057 	if (dev_regs->nxge_msix_regh) {
1058 		ddi_regs_map_free(&dev_regs->nxge_msix_regh);
1059 	}
1060 	if (dev_regs->nxge_vir_regh) {
1061 		ddi_regs_map_free(&dev_regs->nxge_regh);
1062 	}
1063 nxge_map_regs_fail2:
1064 	if (dev_regs->nxge_regh) {
1065 		ddi_regs_map_free(&dev_regs->nxge_regh);
1066 	}
1067 nxge_map_regs_fail1:
1068 	if (dev_regs->nxge_pciregh) {
1069 		ddi_regs_map_free(&dev_regs->nxge_pciregh);
1070 	}
1071 nxge_map_regs_fail0:
1072 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "Freeing register set memory"));
1073 	kmem_free(dev_regs, sizeof (dev_regs_t));
1074 
1075 nxge_map_regs_exit:
1076 	if (ddi_status != DDI_SUCCESS)
1077 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1078 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_map_regs"));
1079 	return (status);
1080 }
1081 
1082 static void
1083 nxge_unmap_regs(p_nxge_t nxgep)
1084 {
1085 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_unmap_regs"));
1086 	if (nxgep->dev_regs) {
1087 		if (nxgep->dev_regs->nxge_pciregh) {
1088 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1089 				"==> nxge_unmap_regs: bus"));
1090 			ddi_regs_map_free(&nxgep->dev_regs->nxge_pciregh);
1091 			nxgep->dev_regs->nxge_pciregh = NULL;
1092 		}
1093 		if (nxgep->dev_regs->nxge_regh) {
1094 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1095 				"==> nxge_unmap_regs: device registers"));
1096 			ddi_regs_map_free(&nxgep->dev_regs->nxge_regh);
1097 			nxgep->dev_regs->nxge_regh = NULL;
1098 		}
1099 		if (nxgep->dev_regs->nxge_msix_regh) {
1100 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1101 				"==> nxge_unmap_regs: device interrupts"));
1102 			ddi_regs_map_free(&nxgep->dev_regs->nxge_msix_regh);
1103 			nxgep->dev_regs->nxge_msix_regh = NULL;
1104 		}
1105 		if (nxgep->dev_regs->nxge_vir_regh) {
1106 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1107 				"==> nxge_unmap_regs: vio region"));
1108 			ddi_regs_map_free(&nxgep->dev_regs->nxge_vir_regh);
1109 			nxgep->dev_regs->nxge_vir_regh = NULL;
1110 		}
1111 		if (nxgep->dev_regs->nxge_vir2_regh) {
1112 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1113 				"==> nxge_unmap_regs: vio2 region"));
1114 			ddi_regs_map_free(&nxgep->dev_regs->nxge_vir2_regh);
1115 			nxgep->dev_regs->nxge_vir2_regh = NULL;
1116 		}
1117 
1118 		kmem_free(nxgep->dev_regs, sizeof (dev_regs_t));
1119 		nxgep->dev_regs = NULL;
1120 	}
1121 
1122 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_unmap_regs"));
1123 }
1124 
1125 static nxge_status_t
1126 nxge_setup_mutexes(p_nxge_t nxgep)
1127 {
1128 	int ddi_status = DDI_SUCCESS;
1129 	nxge_status_t status = NXGE_OK;
1130 	nxge_classify_t *classify_ptr;
1131 	int partition;
1132 
1133 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_mutexes"));
1134 
1135 	/*
1136 	 * Get the interrupt cookie so the mutexes can be
1137 	 * Initialized.
1138 	 */
1139 	ddi_status = ddi_get_iblock_cookie(nxgep->dip, 0,
1140 					&nxgep->interrupt_cookie);
1141 	if (ddi_status != DDI_SUCCESS) {
1142 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1143 			"<== nxge_setup_mutexes: failed 0x%x", ddi_status));
1144 		goto nxge_setup_mutexes_exit;
1145 	}
1146 
1147 	/* Initialize global mutex */
1148 
1149 	if (nxge_mdio_lock_init == 0) {
1150 		MUTEX_INIT(&nxge_mdio_lock, NULL, MUTEX_DRIVER, NULL);
1151 	}
1152 	atomic_add_32(&nxge_mdio_lock_init, 1);
1153 
1154 	if (nxge_mii_lock_init == 0) {
1155 		MUTEX_INIT(&nxge_mii_lock, NULL, MUTEX_DRIVER, NULL);
1156 	}
1157 	atomic_add_32(&nxge_mii_lock_init, 1);
1158 
1159 	nxgep->drv_state |= STATE_MDIO_LOCK_INIT;
1160 	nxgep->drv_state |= STATE_MII_LOCK_INIT;
1161 
1162 	cv_init(&nxgep->poll_cv, NULL, CV_DRIVER, NULL);
1163 	MUTEX_INIT(&nxgep->poll_lock, NULL,
1164 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1165 
1166 	/*
1167 	 * Initialize mutexes for this device.
1168 	 */
1169 	MUTEX_INIT(nxgep->genlock, NULL,
1170 		MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1171 	MUTEX_INIT(&nxgep->ouraddr_lock, NULL,
1172 		MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1173 	MUTEX_INIT(&nxgep->mif_lock, NULL,
1174 		MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1175 	RW_INIT(&nxgep->filter_lock, NULL,
1176 		RW_DRIVER, (void *)nxgep->interrupt_cookie);
1177 
1178 	classify_ptr = &nxgep->classifier;
1179 		/*
1180 		 * FFLP Mutexes are never used in interrupt context
1181 		 * as fflp operation can take very long time to
1182 		 * complete and hence not suitable to invoke from interrupt
1183 		 * handlers.
1184 		 */
1185 	MUTEX_INIT(&classify_ptr->tcam_lock, NULL,
1186 	    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1187 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1188 		MUTEX_INIT(&classify_ptr->fcram_lock, NULL,
1189 		    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1190 		for (partition = 0; partition < MAX_PARTITION; partition++) {
1191 			MUTEX_INIT(&classify_ptr->hash_lock[partition], NULL,
1192 			    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1193 		}
1194 	}
1195 
1196 nxge_setup_mutexes_exit:
1197 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1198 	    "<== nxge_setup_mutexes status = %x", status));
1199 
1200 	if (ddi_status != DDI_SUCCESS)
1201 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1202 
1203 	return (status);
1204 }
1205 
1206 static void
1207 nxge_destroy_mutexes(p_nxge_t nxgep)
1208 {
1209 	int partition;
1210 	nxge_classify_t *classify_ptr;
1211 
1212 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_destroy_mutexes"));
1213 	RW_DESTROY(&nxgep->filter_lock);
1214 	MUTEX_DESTROY(&nxgep->mif_lock);
1215 	MUTEX_DESTROY(&nxgep->ouraddr_lock);
1216 	MUTEX_DESTROY(nxgep->genlock);
1217 
1218 	classify_ptr = &nxgep->classifier;
1219 	MUTEX_DESTROY(&classify_ptr->tcam_lock);
1220 
1221 	/* Destroy all polling resources. */
1222 	MUTEX_DESTROY(&nxgep->poll_lock);
1223 	cv_destroy(&nxgep->poll_cv);
1224 
1225 	/* free data structures, based on HW type */
1226 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1227 		MUTEX_DESTROY(&classify_ptr->fcram_lock);
1228 		for (partition = 0; partition < MAX_PARTITION; partition++) {
1229 			MUTEX_DESTROY(&classify_ptr->hash_lock[partition]);
1230 		}
1231 	}
1232 	if (nxgep->drv_state & STATE_MDIO_LOCK_INIT) {
1233 		if (nxge_mdio_lock_init == 1) {
1234 			MUTEX_DESTROY(&nxge_mdio_lock);
1235 		}
1236 		atomic_add_32(&nxge_mdio_lock_init, -1);
1237 	}
1238 	if (nxgep->drv_state & STATE_MII_LOCK_INIT) {
1239 		if (nxge_mii_lock_init == 1) {
1240 			MUTEX_DESTROY(&nxge_mii_lock);
1241 		}
1242 		atomic_add_32(&nxge_mii_lock_init, -1);
1243 	}
1244 
1245 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_destroy_mutexes"));
1246 }
1247 
1248 nxge_status_t
1249 nxge_init(p_nxge_t nxgep)
1250 {
1251 	nxge_status_t	status = NXGE_OK;
1252 
1253 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_init"));
1254 
1255 	if (nxgep->drv_state & STATE_HW_INITIALIZED) {
1256 		return (status);
1257 	}
1258 
1259 	/*
1260 	 * Allocate system memory for the receive/transmit buffer blocks
1261 	 * and receive/transmit descriptor rings.
1262 	 */
1263 	status = nxge_alloc_mem_pool(nxgep);
1264 	if (status != NXGE_OK) {
1265 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "alloc mem failed\n"));
1266 		goto nxge_init_fail1;
1267 	}
1268 
1269 	/*
1270 	 * Initialize and enable TXC registers
1271 	 * (Globally enable TX controller,
1272 	 *  enable a port, configure dma channel bitmap,
1273 	 *  configure the max burst size).
1274 	 */
1275 	status = nxge_txc_init(nxgep);
1276 	if (status != NXGE_OK) {
1277 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init txc failed\n"));
1278 		goto nxge_init_fail2;
1279 	}
1280 
1281 	/*
1282 	 * Initialize and enable TXDMA channels.
1283 	 */
1284 	status = nxge_init_txdma_channels(nxgep);
1285 	if (status != NXGE_OK) {
1286 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init txdma failed\n"));
1287 		goto nxge_init_fail3;
1288 	}
1289 
1290 	/*
1291 	 * Initialize and enable RXDMA channels.
1292 	 */
1293 	status = nxge_init_rxdma_channels(nxgep);
1294 	if (status != NXGE_OK) {
1295 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init rxdma failed\n"));
1296 		goto nxge_init_fail4;
1297 	}
1298 
1299 	/*
1300 	 * Initialize TCAM and FCRAM (Neptune).
1301 	 */
1302 	status = nxge_classify_init(nxgep);
1303 	if (status != NXGE_OK) {
1304 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init classify failed\n"));
1305 		goto nxge_init_fail5;
1306 	}
1307 
1308 	/*
1309 	 * Initialize ZCP
1310 	 */
1311 	status = nxge_zcp_init(nxgep);
1312 	if (status != NXGE_OK) {
1313 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init ZCP failed\n"));
1314 		goto nxge_init_fail5;
1315 	}
1316 
1317 	/*
1318 	 * Initialize IPP.
1319 	 */
1320 	status = nxge_ipp_init(nxgep);
1321 	if (status != NXGE_OK) {
1322 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init IPP failed\n"));
1323 		goto nxge_init_fail5;
1324 	}
1325 
1326 	/*
1327 	 * Initialize the MAC block.
1328 	 */
1329 	status = nxge_mac_init(nxgep);
1330 	if (status != NXGE_OK) {
1331 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init MAC failed\n"));
1332 		goto nxge_init_fail5;
1333 	}
1334 
1335 	nxge_intrs_enable(nxgep);
1336 
1337 	/*
1338 	 * Enable hardware interrupts.
1339 	 */
1340 	nxge_intr_hw_enable(nxgep);
1341 	nxgep->drv_state |= STATE_HW_INITIALIZED;
1342 
1343 	goto nxge_init_exit;
1344 
1345 nxge_init_fail5:
1346 	nxge_uninit_rxdma_channels(nxgep);
1347 nxge_init_fail4:
1348 	nxge_uninit_txdma_channels(nxgep);
1349 nxge_init_fail3:
1350 	(void) nxge_txc_uninit(nxgep);
1351 nxge_init_fail2:
1352 	nxge_free_mem_pool(nxgep);
1353 nxge_init_fail1:
1354 	NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1355 		"<== nxge_init status (failed) = 0x%08x", status));
1356 	return (status);
1357 
1358 nxge_init_exit:
1359 
1360 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_init status = 0x%08x",
1361 		status));
1362 	return (status);
1363 }
1364 
1365 
1366 timeout_id_t
1367 nxge_start_timer(p_nxge_t nxgep, fptrv_t func, int msec)
1368 {
1369 	if ((nxgep->suspended == 0) ||
1370 			(nxgep->suspended == DDI_RESUME)) {
1371 		return (timeout(func, (caddr_t)nxgep,
1372 			drv_usectohz(1000 * msec)));
1373 	}
1374 	return (NULL);
1375 }
1376 
1377 /*ARGSUSED*/
1378 void
1379 nxge_stop_timer(p_nxge_t nxgep, timeout_id_t timerid)
1380 {
1381 	if (timerid) {
1382 		(void) untimeout(timerid);
1383 	}
1384 }
1385 
1386 void
1387 nxge_uninit(p_nxge_t nxgep)
1388 {
1389 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_uninit"));
1390 
1391 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
1392 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1393 			"==> nxge_uninit: not initialized"));
1394 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1395 			"<== nxge_uninit"));
1396 		return;
1397 	}
1398 
1399 	/* stop timer */
1400 	if (nxgep->nxge_timerid) {
1401 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
1402 		nxgep->nxge_timerid = 0;
1403 	}
1404 
1405 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
1406 	(void) nxge_intr_hw_disable(nxgep);
1407 
1408 	/*
1409 	 * Reset the receive MAC side.
1410 	 */
1411 	(void) nxge_rx_mac_disable(nxgep);
1412 
1413 	/* Disable and soft reset the IPP */
1414 	(void) nxge_ipp_disable(nxgep);
1415 
1416 	/* Free classification resources */
1417 	(void) nxge_classify_uninit(nxgep);
1418 
1419 	/*
1420 	 * Reset the transmit/receive DMA side.
1421 	 */
1422 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_STOP);
1423 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_STOP);
1424 
1425 	nxge_uninit_txdma_channels(nxgep);
1426 	nxge_uninit_rxdma_channels(nxgep);
1427 
1428 	/*
1429 	 * Reset the transmit MAC side.
1430 	 */
1431 	(void) nxge_tx_mac_disable(nxgep);
1432 
1433 	nxge_free_mem_pool(nxgep);
1434 
1435 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
1436 
1437 	nxgep->drv_state &= ~STATE_HW_INITIALIZED;
1438 
1439 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_uninit: "
1440 		"nxge_mblks_pending %d", nxge_mblks_pending));
1441 }
1442 
1443 void
1444 nxge_get64(p_nxge_t nxgep, p_mblk_t mp)
1445 {
1446 	uint64_t	reg;
1447 	uint64_t	regdata;
1448 	int		i, retry;
1449 
1450 	bcopy((char *)mp->b_rptr, (char *)&reg, sizeof (uint64_t));
1451 	regdata = 0;
1452 	retry = 1;
1453 
1454 	for (i = 0; i < retry; i++) {
1455 		NXGE_REG_RD64(nxgep->npi_handle, reg, &regdata);
1456 	}
1457 	bcopy((char *)&regdata, (char *)mp->b_rptr, sizeof (uint64_t));
1458 }
1459 
1460 void
1461 nxge_put64(p_nxge_t nxgep, p_mblk_t mp)
1462 {
1463 	uint64_t	reg;
1464 	uint64_t	buf[2];
1465 
1466 	bcopy((char *)mp->b_rptr, (char *)&buf[0], 2 * sizeof (uint64_t));
1467 	reg = buf[0];
1468 
1469 	NXGE_NPI_PIO_WRITE64(nxgep->npi_handle, reg, buf[1]);
1470 }
1471 
1472 
1473 nxge_os_mutex_t nxgedebuglock;
1474 int nxge_debug_init = 0;
1475 
1476 /*ARGSUSED*/
1477 /*VARARGS*/
1478 void
1479 nxge_debug_msg(p_nxge_t nxgep, uint64_t level, char *fmt, ...)
1480 {
1481 	char msg_buffer[1048];
1482 	char prefix_buffer[32];
1483 	int instance;
1484 	uint64_t debug_level;
1485 	int cmn_level = CE_CONT;
1486 	va_list ap;
1487 
1488 	debug_level = (nxgep == NULL) ? nxge_debug_level :
1489 		nxgep->nxge_debug_level;
1490 
1491 	if ((level & debug_level) ||
1492 		(level == NXGE_NOTE) ||
1493 		(level == NXGE_ERR_CTL)) {
1494 		/* do the msg processing */
1495 		if (nxge_debug_init == 0) {
1496 			MUTEX_INIT(&nxgedebuglock, NULL, MUTEX_DRIVER, NULL);
1497 			nxge_debug_init = 1;
1498 		}
1499 
1500 		MUTEX_ENTER(&nxgedebuglock);
1501 
1502 		if ((level & NXGE_NOTE)) {
1503 			cmn_level = CE_NOTE;
1504 		}
1505 
1506 		if (level & NXGE_ERR_CTL) {
1507 			cmn_level = CE_WARN;
1508 		}
1509 
1510 		va_start(ap, fmt);
1511 		(void) vsprintf(msg_buffer, fmt, ap);
1512 		va_end(ap);
1513 		if (nxgep == NULL) {
1514 			instance = -1;
1515 			(void) sprintf(prefix_buffer, "%s :", "nxge");
1516 		} else {
1517 			instance = nxgep->instance;
1518 			(void) sprintf(prefix_buffer,
1519 						    "%s%d :", "nxge", instance);
1520 		}
1521 
1522 		MUTEX_EXIT(&nxgedebuglock);
1523 		cmn_err(cmn_level, "!%s %s\n",
1524 				prefix_buffer, msg_buffer);
1525 
1526 	}
1527 }
1528 
1529 char *
1530 nxge_dump_packet(char *addr, int size)
1531 {
1532 	uchar_t *ap = (uchar_t *)addr;
1533 	int i;
1534 	static char etherbuf[1024];
1535 	char *cp = etherbuf;
1536 	char digits[] = "0123456789abcdef";
1537 
1538 	if (!size)
1539 		size = 60;
1540 
1541 	if (size > MAX_DUMP_SZ) {
1542 		/* Dump the leading bytes */
1543 		for (i = 0; i < MAX_DUMP_SZ/2; i++) {
1544 			if (*ap > 0x0f)
1545 				*cp++ = digits[*ap >> 4];
1546 			*cp++ = digits[*ap++ & 0xf];
1547 			*cp++ = ':';
1548 		}
1549 		for (i = 0; i < 20; i++)
1550 			*cp++ = '.';
1551 		/* Dump the last MAX_DUMP_SZ/2 bytes */
1552 		ap = (uchar_t *)(addr + (size - MAX_DUMP_SZ/2));
1553 		for (i = 0; i < MAX_DUMP_SZ/2; i++) {
1554 			if (*ap > 0x0f)
1555 				*cp++ = digits[*ap >> 4];
1556 			*cp++ = digits[*ap++ & 0xf];
1557 			*cp++ = ':';
1558 		}
1559 	} else {
1560 		for (i = 0; i < size; i++) {
1561 			if (*ap > 0x0f)
1562 				*cp++ = digits[*ap >> 4];
1563 			*cp++ = digits[*ap++ & 0xf];
1564 			*cp++ = ':';
1565 		}
1566 	}
1567 	*--cp = 0;
1568 	return (etherbuf);
1569 }
1570 
1571 #ifdef	NXGE_DEBUG
1572 static void
1573 nxge_test_map_regs(p_nxge_t nxgep)
1574 {
1575 	ddi_acc_handle_t cfg_handle;
1576 	p_pci_cfg_t	cfg_ptr;
1577 	ddi_acc_handle_t dev_handle;
1578 	char		*dev_ptr;
1579 	ddi_acc_handle_t pci_config_handle;
1580 	uint32_t	regval;
1581 	int		i;
1582 
1583 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_test_map_regs"));
1584 
1585 	dev_handle = nxgep->dev_regs->nxge_regh;
1586 	dev_ptr = (char *)nxgep->dev_regs->nxge_regp;
1587 
1588 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1589 		cfg_handle = nxgep->dev_regs->nxge_pciregh;
1590 		cfg_ptr = (void *)nxgep->dev_regs->nxge_pciregp;
1591 
1592 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1593 		    "Neptune PCI regp cfg_ptr 0x%llx", (char *)cfg_ptr));
1594 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1595 		    "Neptune PCI cfg_ptr vendor id ptr 0x%llx",
1596 		    &cfg_ptr->vendorid));
1597 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1598 		    "\tvendorid 0x%x devid 0x%x",
1599 		    NXGE_PIO_READ16(cfg_handle, &cfg_ptr->vendorid, 0),
1600 		    NXGE_PIO_READ16(cfg_handle, &cfg_ptr->devid,    0)));
1601 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1602 		    "PCI BAR: base 0x%x base14 0x%x base 18 0x%x "
1603 		    "bar1c 0x%x",
1604 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base,   0),
1605 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base14, 0),
1606 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base18, 0),
1607 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base1c, 0)));
1608 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1609 		    "\nNeptune PCI BAR: base20 0x%x base24 0x%x "
1610 		    "base 28 0x%x bar2c 0x%x\n",
1611 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base20, 0),
1612 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base24, 0),
1613 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base28, 0),
1614 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base2c, 0)));
1615 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1616 		    "\nNeptune PCI BAR: base30 0x%x\n",
1617 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base30, 0)));
1618 
1619 		cfg_handle = nxgep->dev_regs->nxge_pciregh;
1620 		cfg_ptr = (void *)nxgep->dev_regs->nxge_pciregp;
1621 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1622 		    "first  0x%llx second 0x%llx third 0x%llx "
1623 		    "last 0x%llx ",
1624 		    NXGE_PIO_READ64(dev_handle,
1625 		    (uint64_t *)(dev_ptr + 0),  0),
1626 		    NXGE_PIO_READ64(dev_handle,
1627 		    (uint64_t *)(dev_ptr + 8),  0),
1628 		    NXGE_PIO_READ64(dev_handle,
1629 		    (uint64_t *)(dev_ptr + 16), 0),
1630 		    NXGE_PIO_READ64(cfg_handle,
1631 		    (uint64_t *)(dev_ptr + 24), 0)));
1632 	}
1633 }
1634 
1635 #endif
1636 
1637 static void
1638 nxge_suspend(p_nxge_t nxgep)
1639 {
1640 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_suspend"));
1641 
1642 	nxge_intrs_disable(nxgep);
1643 	nxge_destroy_dev(nxgep);
1644 
1645 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_suspend"));
1646 }
1647 
1648 static nxge_status_t
1649 nxge_resume(p_nxge_t nxgep)
1650 {
1651 	nxge_status_t status = NXGE_OK;
1652 
1653 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_resume"));
1654 
1655 	nxgep->suspended = DDI_RESUME;
1656 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
1657 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_START);
1658 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_START);
1659 	(void) nxge_rx_mac_enable(nxgep);
1660 	(void) nxge_tx_mac_enable(nxgep);
1661 	nxge_intrs_enable(nxgep);
1662 	nxgep->suspended = 0;
1663 
1664 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1665 			"<== nxge_resume status = 0x%x", status));
1666 	return (status);
1667 }
1668 
1669 static nxge_status_t
1670 nxge_setup_dev(p_nxge_t nxgep)
1671 {
1672 	nxge_status_t	status = NXGE_OK;
1673 
1674 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_dev port %d",
1675 	    nxgep->mac.portnum));
1676 
1677 	status = nxge_link_init(nxgep);
1678 
1679 	if (fm_check_acc_handle(nxgep->dev_regs->nxge_regh) != DDI_FM_OK) {
1680 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1681 			"port%d Bad register acc handle", nxgep->mac.portnum));
1682 		status = NXGE_ERROR;
1683 	}
1684 
1685 	if (status != NXGE_OK) {
1686 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1687 			    " nxge_setup_dev status "
1688 			    "(xcvr init 0x%08x)", status));
1689 		goto nxge_setup_dev_exit;
1690 	}
1691 
1692 nxge_setup_dev_exit:
1693 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1694 		"<== nxge_setup_dev port %d status = 0x%08x",
1695 		nxgep->mac.portnum, status));
1696 
1697 	return (status);
1698 }
1699 
1700 static void
1701 nxge_destroy_dev(p_nxge_t nxgep)
1702 {
1703 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_destroy_dev"));
1704 
1705 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
1706 
1707 	(void) nxge_hw_stop(nxgep);
1708 
1709 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_destroy_dev"));
1710 }
1711 
1712 static nxge_status_t
1713 nxge_setup_system_dma_pages(p_nxge_t nxgep)
1714 {
1715 	int 			ddi_status = DDI_SUCCESS;
1716 	uint_t 			count;
1717 	ddi_dma_cookie_t 	cookie;
1718 	uint_t 			iommu_pagesize;
1719 	nxge_status_t		status = NXGE_OK;
1720 
1721 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_system_dma_pages"));
1722 	nxgep->sys_page_sz = ddi_ptob(nxgep->dip, (ulong_t)1);
1723 	if (nxgep->niu_type != N2_NIU) {
1724 		iommu_pagesize = dvma_pagesize(nxgep->dip);
1725 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1726 			" nxge_setup_system_dma_pages: page %d (ddi_ptob %d) "
1727 			" default_block_size %d iommu_pagesize %d",
1728 			nxgep->sys_page_sz,
1729 			ddi_ptob(nxgep->dip, (ulong_t)1),
1730 			nxgep->rx_default_block_size,
1731 			iommu_pagesize));
1732 
1733 		if (iommu_pagesize != 0) {
1734 			if (nxgep->sys_page_sz == iommu_pagesize) {
1735 				if (iommu_pagesize > 0x4000)
1736 					nxgep->sys_page_sz = 0x4000;
1737 			} else {
1738 				if (nxgep->sys_page_sz > iommu_pagesize)
1739 					nxgep->sys_page_sz = iommu_pagesize;
1740 			}
1741 		}
1742 	}
1743 	nxgep->sys_page_mask = ~(nxgep->sys_page_sz - 1);
1744 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1745 		"==> nxge_setup_system_dma_pages: page %d (ddi_ptob %d) "
1746 		"default_block_size %d page mask %d",
1747 		nxgep->sys_page_sz,
1748 		ddi_ptob(nxgep->dip, (ulong_t)1),
1749 		nxgep->rx_default_block_size,
1750 		nxgep->sys_page_mask));
1751 
1752 
1753 	switch (nxgep->sys_page_sz) {
1754 	default:
1755 		nxgep->sys_page_sz = 0x1000;
1756 		nxgep->sys_page_mask = ~(nxgep->sys_page_sz - 1);
1757 		nxgep->rx_default_block_size = 0x1000;
1758 		nxgep->rx_bksize_code = RBR_BKSIZE_4K;
1759 		break;
1760 	case 0x1000:
1761 		nxgep->rx_default_block_size = 0x1000;
1762 		nxgep->rx_bksize_code = RBR_BKSIZE_4K;
1763 		break;
1764 	case 0x2000:
1765 		nxgep->rx_default_block_size = 0x2000;
1766 		nxgep->rx_bksize_code = RBR_BKSIZE_8K;
1767 		break;
1768 	case 0x4000:
1769 		nxgep->rx_default_block_size = 0x4000;
1770 		nxgep->rx_bksize_code = RBR_BKSIZE_16K;
1771 		break;
1772 	case 0x8000:
1773 		nxgep->rx_default_block_size = 0x8000;
1774 		nxgep->rx_bksize_code = RBR_BKSIZE_32K;
1775 		break;
1776 	}
1777 
1778 #ifndef USE_RX_BIG_BUF
1779 	nxge_rx_dma_attr.dma_attr_align = nxgep->sys_page_sz;
1780 #else
1781 		nxgep->rx_default_block_size = 0x2000;
1782 		nxgep->rx_bksize_code = RBR_BKSIZE_8K;
1783 #endif
1784 	/*
1785 	 * Get the system DMA burst size.
1786 	 */
1787 	ddi_status = ddi_dma_alloc_handle(nxgep->dip, &nxge_tx_dma_attr,
1788 			DDI_DMA_DONTWAIT, 0,
1789 			&nxgep->dmasparehandle);
1790 	if (ddi_status != DDI_SUCCESS) {
1791 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1792 			"ddi_dma_alloc_handle: failed "
1793 			" status 0x%x", ddi_status));
1794 		goto nxge_get_soft_properties_exit;
1795 	}
1796 
1797 	ddi_status = ddi_dma_addr_bind_handle(nxgep->dmasparehandle, NULL,
1798 				(caddr_t)nxgep->dmasparehandle,
1799 				sizeof (nxgep->dmasparehandle),
1800 				DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
1801 				DDI_DMA_DONTWAIT, 0,
1802 				&cookie, &count);
1803 	if (ddi_status != DDI_DMA_MAPPED) {
1804 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1805 			"Binding spare handle to find system"
1806 			" burstsize failed."));
1807 		ddi_status = DDI_FAILURE;
1808 		goto nxge_get_soft_properties_fail1;
1809 	}
1810 
1811 	nxgep->sys_burst_sz = ddi_dma_burstsizes(nxgep->dmasparehandle);
1812 	(void) ddi_dma_unbind_handle(nxgep->dmasparehandle);
1813 
1814 nxge_get_soft_properties_fail1:
1815 	ddi_dma_free_handle(&nxgep->dmasparehandle);
1816 
1817 nxge_get_soft_properties_exit:
1818 
1819 	if (ddi_status != DDI_SUCCESS)
1820 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1821 
1822 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1823 		"<== nxge_setup_system_dma_pages status = 0x%08x", status));
1824 	return (status);
1825 }
1826 
1827 static nxge_status_t
1828 nxge_alloc_mem_pool(p_nxge_t nxgep)
1829 {
1830 	nxge_status_t	status = NXGE_OK;
1831 
1832 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_alloc_mem_pool"));
1833 
1834 	status = nxge_alloc_rx_mem_pool(nxgep);
1835 	if (status != NXGE_OK) {
1836 		return (NXGE_ERROR);
1837 	}
1838 
1839 	status = nxge_alloc_tx_mem_pool(nxgep);
1840 	if (status != NXGE_OK) {
1841 		nxge_free_rx_mem_pool(nxgep);
1842 		return (NXGE_ERROR);
1843 	}
1844 
1845 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_alloc_mem_pool"));
1846 	return (NXGE_OK);
1847 }
1848 
1849 static void
1850 nxge_free_mem_pool(p_nxge_t nxgep)
1851 {
1852 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_free_mem_pool"));
1853 
1854 	nxge_free_rx_mem_pool(nxgep);
1855 	nxge_free_tx_mem_pool(nxgep);
1856 
1857 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "<== nxge_free_mem_pool"));
1858 }
1859 
1860 static nxge_status_t
1861 nxge_alloc_rx_mem_pool(p_nxge_t nxgep)
1862 {
1863 	int			i, j;
1864 	uint32_t		ndmas, st_rdc;
1865 	p_nxge_dma_pt_cfg_t	p_all_cfgp;
1866 	p_nxge_hw_pt_cfg_t	p_cfgp;
1867 	p_nxge_dma_pool_t	dma_poolp;
1868 	p_nxge_dma_common_t	*dma_buf_p;
1869 	p_nxge_dma_pool_t	dma_cntl_poolp;
1870 	p_nxge_dma_common_t	*dma_cntl_p;
1871 	size_t			rx_buf_alloc_size;
1872 	size_t			rx_cntl_alloc_size;
1873 	uint32_t 		*num_chunks; /* per dma */
1874 	nxge_status_t		status = NXGE_OK;
1875 
1876 	uint32_t		nxge_port_rbr_size;
1877 	uint32_t		nxge_port_rbr_spare_size;
1878 	uint32_t		nxge_port_rcr_size;
1879 
1880 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_mem_pool"));
1881 
1882 	p_all_cfgp = (p_nxge_dma_pt_cfg_t)&nxgep->pt_config;
1883 	p_cfgp = (p_nxge_hw_pt_cfg_t)&p_all_cfgp->hw_config;
1884 	st_rdc = p_cfgp->start_rdc;
1885 	ndmas = p_cfgp->max_rdcs;
1886 
1887 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
1888 		" nxge_alloc_rx_mem_pool st_rdc %d ndmas %d", st_rdc, ndmas));
1889 
1890 	/*
1891 	 * Allocate memory for each receive DMA channel.
1892 	 */
1893 	dma_poolp = (p_nxge_dma_pool_t)KMEM_ZALLOC(sizeof (nxge_dma_pool_t),
1894 			KM_SLEEP);
1895 	dma_buf_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
1896 			sizeof (p_nxge_dma_common_t) * ndmas, KM_SLEEP);
1897 
1898 	dma_cntl_poolp = (p_nxge_dma_pool_t)
1899 				KMEM_ZALLOC(sizeof (nxge_dma_pool_t), KM_SLEEP);
1900 	dma_cntl_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
1901 			sizeof (p_nxge_dma_common_t) * ndmas, KM_SLEEP);
1902 
1903 	num_chunks = (uint32_t *)KMEM_ZALLOC(
1904 			sizeof (uint32_t) * ndmas, KM_SLEEP);
1905 
1906 	/*
1907 	 * Assume that each DMA channel will be configured with default
1908 	 * block size.
1909 	 * rbr block counts are mod of batch count (16).
1910 	 */
1911 	nxge_port_rbr_size = p_all_cfgp->rbr_size;
1912 	nxge_port_rcr_size = p_all_cfgp->rcr_size;
1913 
1914 	if (!nxge_port_rbr_size) {
1915 		nxge_port_rbr_size = NXGE_RBR_RBB_DEFAULT;
1916 	}
1917 	if (nxge_port_rbr_size % NXGE_RXDMA_POST_BATCH) {
1918 		nxge_port_rbr_size = (NXGE_RXDMA_POST_BATCH *
1919 			(nxge_port_rbr_size / NXGE_RXDMA_POST_BATCH + 1));
1920 	}
1921 
1922 	p_all_cfgp->rbr_size = nxge_port_rbr_size;
1923 	nxge_port_rbr_spare_size = nxge_rbr_spare_size;
1924 
1925 	if (nxge_port_rbr_spare_size % NXGE_RXDMA_POST_BATCH) {
1926 		nxge_port_rbr_spare_size = (NXGE_RXDMA_POST_BATCH *
1927 			(nxge_port_rbr_spare_size / NXGE_RXDMA_POST_BATCH + 1));
1928 	}
1929 
1930 	/*
1931 	 * N2/NIU has limitation on the descriptor sizes (contiguous
1932 	 * memory allocation on data buffers to 4M (contig_mem_alloc)
1933 	 * and little endian for control buffers (must use the ddi/dki mem alloc
1934 	 * function).
1935 	 */
1936 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
1937 	if (nxgep->niu_type == N2_NIU) {
1938 		nxge_port_rbr_spare_size = 0;
1939 		if ((nxge_port_rbr_size > NXGE_NIU_CONTIG_RBR_MAX) ||
1940 				(!ISP2(nxge_port_rbr_size))) {
1941 			nxge_port_rbr_size = NXGE_NIU_CONTIG_RBR_MAX;
1942 		}
1943 		if ((nxge_port_rcr_size > NXGE_NIU_CONTIG_RCR_MAX) ||
1944 				(!ISP2(nxge_port_rcr_size))) {
1945 			nxge_port_rcr_size = NXGE_NIU_CONTIG_RCR_MAX;
1946 		}
1947 	}
1948 #endif
1949 
1950 	rx_buf_alloc_size = (nxgep->rx_default_block_size *
1951 		(nxge_port_rbr_size + nxge_port_rbr_spare_size));
1952 
1953 	/*
1954 	 * Addresses of receive block ring, receive completion ring and the
1955 	 * mailbox must be all cache-aligned (64 bytes).
1956 	 */
1957 	rx_cntl_alloc_size = nxge_port_rbr_size + nxge_port_rbr_spare_size;
1958 	rx_cntl_alloc_size *= (sizeof (rx_desc_t));
1959 	rx_cntl_alloc_size += (sizeof (rcr_entry_t) * nxge_port_rcr_size);
1960 	rx_cntl_alloc_size += sizeof (rxdma_mailbox_t);
1961 
1962 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_alloc_rx_mem_pool: "
1963 		"nxge_port_rbr_size = %d nxge_port_rbr_spare_size = %d "
1964 		"nxge_port_rcr_size = %d "
1965 		"rx_cntl_alloc_size = %d",
1966 		nxge_port_rbr_size, nxge_port_rbr_spare_size,
1967 		nxge_port_rcr_size,
1968 		rx_cntl_alloc_size));
1969 
1970 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
1971 	if (nxgep->niu_type == N2_NIU) {
1972 		if (!ISP2(rx_buf_alloc_size)) {
1973 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1974 				"==> nxge_alloc_rx_mem_pool: "
1975 				" must be power of 2"));
1976 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1977 			goto nxge_alloc_rx_mem_pool_exit;
1978 		}
1979 
1980 		if (rx_buf_alloc_size > (1 << 22)) {
1981 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1982 				"==> nxge_alloc_rx_mem_pool: "
1983 				" limit size to 4M"));
1984 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1985 			goto nxge_alloc_rx_mem_pool_exit;
1986 		}
1987 
1988 		if (rx_cntl_alloc_size < 0x2000) {
1989 			rx_cntl_alloc_size = 0x2000;
1990 		}
1991 	}
1992 #endif
1993 	nxgep->nxge_port_rbr_size = nxge_port_rbr_size;
1994 	nxgep->nxge_port_rcr_size = nxge_port_rcr_size;
1995 
1996 	/*
1997 	 * Allocate memory for receive buffers and descriptor rings.
1998 	 * Replace allocation functions with interface functions provided
1999 	 * by the partition manager when it is available.
2000 	 */
2001 	/*
2002 	 * Allocate memory for the receive buffer blocks.
2003 	 */
2004 	for (i = 0; i < ndmas; i++) {
2005 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2006 			" nxge_alloc_rx_mem_pool to alloc mem: "
2007 			" dma %d dma_buf_p %llx &dma_buf_p %llx",
2008 			i, dma_buf_p[i], &dma_buf_p[i]));
2009 		num_chunks[i] = 0;
2010 		status = nxge_alloc_rx_buf_dma(nxgep, st_rdc, &dma_buf_p[i],
2011 				rx_buf_alloc_size,
2012 				nxgep->rx_default_block_size, &num_chunks[i]);
2013 		if (status != NXGE_OK) {
2014 			break;
2015 		}
2016 		st_rdc++;
2017 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2018 			" nxge_alloc_rx_mem_pool DONE  alloc mem: "
2019 			"dma %d dma_buf_p %llx &dma_buf_p %llx", i,
2020 			dma_buf_p[i], &dma_buf_p[i]));
2021 	}
2022 	if (i < ndmas) {
2023 		goto nxge_alloc_rx_mem_fail1;
2024 	}
2025 	/*
2026 	 * Allocate memory for descriptor rings and mailbox.
2027 	 */
2028 	st_rdc = p_cfgp->start_rdc;
2029 	for (j = 0; j < ndmas; j++) {
2030 		status = nxge_alloc_rx_cntl_dma(nxgep, st_rdc, &dma_cntl_p[j],
2031 					rx_cntl_alloc_size);
2032 		if (status != NXGE_OK) {
2033 			break;
2034 		}
2035 		st_rdc++;
2036 	}
2037 	if (j < ndmas) {
2038 		goto nxge_alloc_rx_mem_fail2;
2039 	}
2040 
2041 	dma_poolp->ndmas = ndmas;
2042 	dma_poolp->num_chunks = num_chunks;
2043 	dma_poolp->buf_allocated = B_TRUE;
2044 	nxgep->rx_buf_pool_p = dma_poolp;
2045 	dma_poolp->dma_buf_pool_p = dma_buf_p;
2046 
2047 	dma_cntl_poolp->ndmas = ndmas;
2048 	dma_cntl_poolp->buf_allocated = B_TRUE;
2049 	nxgep->rx_cntl_pool_p = dma_cntl_poolp;
2050 	dma_cntl_poolp->dma_buf_pool_p = dma_cntl_p;
2051 
2052 	goto nxge_alloc_rx_mem_pool_exit;
2053 
2054 nxge_alloc_rx_mem_fail2:
2055 	/* Free control buffers */
2056 	j--;
2057 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2058 		"==> nxge_alloc_rx_mem_pool: freeing control bufs (%d)", j));
2059 	for (; j >= 0; j--) {
2060 		nxge_free_rx_cntl_dma(nxgep,
2061 			(p_nxge_dma_common_t)dma_cntl_p[j]);
2062 		NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2063 			"==> nxge_alloc_rx_mem_pool: control bufs freed (%d)",
2064 			j));
2065 	}
2066 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2067 		"==> nxge_alloc_rx_mem_pool: control bufs freed (%d)", j));
2068 
2069 nxge_alloc_rx_mem_fail1:
2070 	/* Free data buffers */
2071 	i--;
2072 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2073 		"==> nxge_alloc_rx_mem_pool: freeing data bufs (%d)", i));
2074 	for (; i >= 0; i--) {
2075 		nxge_free_rx_buf_dma(nxgep, (p_nxge_dma_common_t)dma_buf_p[i],
2076 			num_chunks[i]);
2077 	}
2078 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2079 		"==> nxge_alloc_rx_mem_pool: data bufs freed (%d)", i));
2080 
2081 	KMEM_FREE(num_chunks, sizeof (uint32_t) * ndmas);
2082 	KMEM_FREE(dma_poolp, sizeof (nxge_dma_pool_t));
2083 	KMEM_FREE(dma_buf_p, ndmas * sizeof (p_nxge_dma_common_t));
2084 	KMEM_FREE(dma_cntl_poolp, sizeof (nxge_dma_pool_t));
2085 	KMEM_FREE(dma_cntl_p, ndmas * sizeof (p_nxge_dma_common_t));
2086 
2087 nxge_alloc_rx_mem_pool_exit:
2088 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2089 		"<== nxge_alloc_rx_mem_pool:status 0x%08x", status));
2090 
2091 	return (status);
2092 }
2093 
2094 static void
2095 nxge_free_rx_mem_pool(p_nxge_t nxgep)
2096 {
2097 	uint32_t		i, ndmas;
2098 	p_nxge_dma_pool_t	dma_poolp;
2099 	p_nxge_dma_common_t	*dma_buf_p;
2100 	p_nxge_dma_pool_t	dma_cntl_poolp;
2101 	p_nxge_dma_common_t	*dma_cntl_p;
2102 	uint32_t 		*num_chunks;
2103 
2104 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_rx_mem_pool"));
2105 
2106 	dma_poolp = nxgep->rx_buf_pool_p;
2107 	if (dma_poolp == NULL || (!dma_poolp->buf_allocated)) {
2108 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2109 			"<== nxge_free_rx_mem_pool "
2110 			"(null rx buf pool or buf not allocated"));
2111 		return;
2112 	}
2113 
2114 	dma_cntl_poolp = nxgep->rx_cntl_pool_p;
2115 	if (dma_cntl_poolp == NULL || (!dma_cntl_poolp->buf_allocated)) {
2116 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2117 			"<== nxge_free_rx_mem_pool "
2118 			"(null rx cntl buf pool or cntl buf not allocated"));
2119 		return;
2120 	}
2121 
2122 	dma_buf_p = dma_poolp->dma_buf_pool_p;
2123 	num_chunks = dma_poolp->num_chunks;
2124 
2125 	dma_cntl_p = dma_cntl_poolp->dma_buf_pool_p;
2126 	ndmas = dma_cntl_poolp->ndmas;
2127 
2128 	for (i = 0; i < ndmas; i++) {
2129 		nxge_free_rx_buf_dma(nxgep, dma_buf_p[i], num_chunks[i]);
2130 	}
2131 
2132 	for (i = 0; i < ndmas; i++) {
2133 		nxge_free_rx_cntl_dma(nxgep, dma_cntl_p[i]);
2134 	}
2135 
2136 	for (i = 0; i < ndmas; i++) {
2137 		KMEM_FREE(dma_buf_p[i],
2138 			sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2139 		KMEM_FREE(dma_cntl_p[i], sizeof (nxge_dma_common_t));
2140 	}
2141 
2142 	KMEM_FREE(num_chunks, sizeof (uint32_t) * ndmas);
2143 	KMEM_FREE(dma_cntl_p, ndmas * sizeof (p_nxge_dma_common_t));
2144 	KMEM_FREE(dma_cntl_poolp, sizeof (nxge_dma_pool_t));
2145 	KMEM_FREE(dma_buf_p, ndmas * sizeof (p_nxge_dma_common_t));
2146 	KMEM_FREE(dma_poolp, sizeof (nxge_dma_pool_t));
2147 
2148 	nxgep->rx_buf_pool_p = NULL;
2149 	nxgep->rx_cntl_pool_p = NULL;
2150 
2151 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "<== nxge_free_rx_mem_pool"));
2152 }
2153 
2154 
2155 static nxge_status_t
2156 nxge_alloc_rx_buf_dma(p_nxge_t nxgep, uint16_t dma_channel,
2157 	p_nxge_dma_common_t *dmap,
2158 	size_t alloc_size, size_t block_size, uint32_t *num_chunks)
2159 {
2160 	p_nxge_dma_common_t 	rx_dmap;
2161 	nxge_status_t		status = NXGE_OK;
2162 	size_t			total_alloc_size;
2163 	size_t			allocated = 0;
2164 	int			i, size_index, array_size;
2165 
2166 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_buf_dma"));
2167 
2168 	rx_dmap = (p_nxge_dma_common_t)
2169 			KMEM_ZALLOC(sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK,
2170 			KM_SLEEP);
2171 
2172 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2173 		" alloc_rx_buf_dma rdc %d asize %x bsize %x bbuf %llx ",
2174 		dma_channel, alloc_size, block_size, dmap));
2175 
2176 	total_alloc_size = alloc_size;
2177 
2178 #if defined(RX_USE_RECLAIM_POST)
2179 	total_alloc_size = alloc_size + alloc_size/4;
2180 #endif
2181 
2182 	i = 0;
2183 	size_index = 0;
2184 	array_size =  sizeof (alloc_sizes)/sizeof (size_t);
2185 	while ((alloc_sizes[size_index] < alloc_size) &&
2186 			(size_index < array_size))
2187 			size_index++;
2188 	if (size_index >= array_size) {
2189 		size_index = array_size - 1;
2190 	}
2191 
2192 	while ((allocated < total_alloc_size) &&
2193 			(size_index >= 0) && (i < NXGE_DMA_BLOCK)) {
2194 		rx_dmap[i].dma_chunk_index = i;
2195 		rx_dmap[i].block_size = block_size;
2196 		rx_dmap[i].alength = alloc_sizes[size_index];
2197 		rx_dmap[i].orig_alength = rx_dmap[i].alength;
2198 		rx_dmap[i].nblocks = alloc_sizes[size_index] / block_size;
2199 		rx_dmap[i].dma_channel = dma_channel;
2200 		rx_dmap[i].contig_alloc_type = B_FALSE;
2201 
2202 		/*
2203 		 * N2/NIU: data buffers must be contiguous as the driver
2204 		 *	   needs to call Hypervisor api to set up
2205 		 *	   logical pages.
2206 		 */
2207 		if ((nxgep->niu_type == N2_NIU) && (NXGE_DMA_BLOCK == 1)) {
2208 			rx_dmap[i].contig_alloc_type = B_TRUE;
2209 		}
2210 
2211 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2212 			"alloc_rx_buf_dma rdc %d chunk %d bufp %llx size %x "
2213 			"i %d nblocks %d alength %d",
2214 			dma_channel, i, &rx_dmap[i], block_size,
2215 			i, rx_dmap[i].nblocks,
2216 			rx_dmap[i].alength));
2217 		status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2218 			&nxge_rx_dma_attr,
2219 			rx_dmap[i].alength,
2220 			&nxge_dev_buf_dma_acc_attr,
2221 			DDI_DMA_READ | DDI_DMA_STREAMING,
2222 			(p_nxge_dma_common_t)(&rx_dmap[i]));
2223 		if (status != NXGE_OK) {
2224 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2225 				" nxge_alloc_rx_buf_dma: Alloc Failed "));
2226 			size_index--;
2227 		} else {
2228 			NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2229 				" alloc_rx_buf_dma allocated rdc %d "
2230 				"chunk %d size %x dvma %x bufp %llx ",
2231 				dma_channel, i, rx_dmap[i].alength,
2232 				rx_dmap[i].ioaddr_pp, &rx_dmap[i]));
2233 			i++;
2234 			allocated += alloc_sizes[size_index];
2235 		}
2236 	}
2237 
2238 
2239 	if (allocated < total_alloc_size) {
2240 		goto nxge_alloc_rx_mem_fail1;
2241 	}
2242 
2243 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2244 		" alloc_rx_buf_dma rdc %d allocated %d chunks",
2245 		dma_channel, i));
2246 	*num_chunks = i;
2247 	*dmap = rx_dmap;
2248 
2249 	goto nxge_alloc_rx_mem_exit;
2250 
2251 nxge_alloc_rx_mem_fail1:
2252 	KMEM_FREE(rx_dmap, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2253 
2254 nxge_alloc_rx_mem_exit:
2255 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2256 		"<== nxge_alloc_rx_buf_dma status 0x%08x", status));
2257 
2258 	return (status);
2259 }
2260 
2261 /*ARGSUSED*/
2262 static void
2263 nxge_free_rx_buf_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap,
2264     uint32_t num_chunks)
2265 {
2266 	int		i;
2267 
2268 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2269 		"==> nxge_free_rx_buf_dma: # of chunks %d", num_chunks));
2270 
2271 	for (i = 0; i < num_chunks; i++) {
2272 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2273 			"==> nxge_free_rx_buf_dma: chunk %d dmap 0x%llx",
2274 				i, dmap));
2275 		nxge_dma_mem_free(dmap++);
2276 	}
2277 
2278 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_rx_buf_dma"));
2279 }
2280 
2281 /*ARGSUSED*/
2282 static nxge_status_t
2283 nxge_alloc_rx_cntl_dma(p_nxge_t nxgep, uint16_t dma_channel,
2284     p_nxge_dma_common_t *dmap, size_t size)
2285 {
2286 	p_nxge_dma_common_t 	rx_dmap;
2287 	nxge_status_t		status = NXGE_OK;
2288 
2289 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_cntl_dma"));
2290 
2291 	rx_dmap = (p_nxge_dma_common_t)
2292 			KMEM_ZALLOC(sizeof (nxge_dma_common_t), KM_SLEEP);
2293 
2294 	rx_dmap->contig_alloc_type = B_FALSE;
2295 
2296 	status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2297 			&nxge_desc_dma_attr,
2298 			size,
2299 			&nxge_dev_desc_dma_acc_attr,
2300 			DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
2301 			rx_dmap);
2302 	if (status != NXGE_OK) {
2303 		goto nxge_alloc_rx_cntl_dma_fail1;
2304 	}
2305 
2306 	*dmap = rx_dmap;
2307 	goto nxge_alloc_rx_cntl_dma_exit;
2308 
2309 nxge_alloc_rx_cntl_dma_fail1:
2310 	KMEM_FREE(rx_dmap, sizeof (nxge_dma_common_t));
2311 
2312 nxge_alloc_rx_cntl_dma_exit:
2313 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2314 		"<== nxge_alloc_rx_cntl_dma status 0x%08x", status));
2315 
2316 	return (status);
2317 }
2318 
2319 /*ARGSUSED*/
2320 static void
2321 nxge_free_rx_cntl_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap)
2322 {
2323 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_rx_cntl_dma"));
2324 
2325 	nxge_dma_mem_free(dmap);
2326 
2327 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_rx_cntl_dma"));
2328 }
2329 
2330 static nxge_status_t
2331 nxge_alloc_tx_mem_pool(p_nxge_t nxgep)
2332 {
2333 	nxge_status_t		status = NXGE_OK;
2334 	int			i, j;
2335 	uint32_t		ndmas, st_tdc;
2336 	p_nxge_dma_pt_cfg_t	p_all_cfgp;
2337 	p_nxge_hw_pt_cfg_t	p_cfgp;
2338 	p_nxge_dma_pool_t	dma_poolp;
2339 	p_nxge_dma_common_t	*dma_buf_p;
2340 	p_nxge_dma_pool_t	dma_cntl_poolp;
2341 	p_nxge_dma_common_t	*dma_cntl_p;
2342 	size_t			tx_buf_alloc_size;
2343 	size_t			tx_cntl_alloc_size;
2344 	uint32_t		*num_chunks; /* per dma */
2345 	uint32_t		bcopy_thresh;
2346 
2347 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_alloc_tx_mem_pool"));
2348 
2349 	p_all_cfgp = (p_nxge_dma_pt_cfg_t)&nxgep->pt_config;
2350 	p_cfgp = (p_nxge_hw_pt_cfg_t)&p_all_cfgp->hw_config;
2351 	st_tdc = p_cfgp->start_tdc;
2352 	ndmas = p_cfgp->max_tdcs;
2353 
2354 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_alloc_tx_mem_pool: "
2355 		"p_cfgp 0x%016llx start_tdc %d ndmas %d nxgep->max_tdcs %d",
2356 		p_cfgp, p_cfgp->start_tdc, p_cfgp->max_tdcs, nxgep->max_tdcs));
2357 	/*
2358 	 * Allocate memory for each transmit DMA channel.
2359 	 */
2360 	dma_poolp = (p_nxge_dma_pool_t)KMEM_ZALLOC(sizeof (nxge_dma_pool_t),
2361 			KM_SLEEP);
2362 	dma_buf_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2363 			sizeof (p_nxge_dma_common_t) * ndmas, KM_SLEEP);
2364 
2365 	dma_cntl_poolp = (p_nxge_dma_pool_t)
2366 			KMEM_ZALLOC(sizeof (nxge_dma_pool_t), KM_SLEEP);
2367 	dma_cntl_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2368 			sizeof (p_nxge_dma_common_t) * ndmas, KM_SLEEP);
2369 
2370 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2371 	/*
2372 	 * N2/NIU has limitation on the descriptor sizes (contiguous
2373 	 * memory allocation on data buffers to 4M (contig_mem_alloc)
2374 	 * and little endian for control buffers (must use the ddi/dki mem alloc
2375 	 * function). The transmit ring is limited to 8K (includes the
2376 	 * mailbox).
2377 	 */
2378 	if (nxgep->niu_type == N2_NIU) {
2379 		if ((nxge_tx_ring_size > NXGE_NIU_CONTIG_TX_MAX) ||
2380 			(!ISP2(nxge_tx_ring_size))) {
2381 			nxge_tx_ring_size = NXGE_NIU_CONTIG_TX_MAX;
2382 		}
2383 	}
2384 #endif
2385 
2386 	nxgep->nxge_port_tx_ring_size = nxge_tx_ring_size;
2387 
2388 	/*
2389 	 * Assume that each DMA channel will be configured with default
2390 	 * transmit bufer size for copying transmit data.
2391 	 * (For packet payload over this limit, packets will not be
2392 	 *  copied.)
2393 	 */
2394 	if (nxgep->niu_type == N2_NIU) {
2395 		bcopy_thresh = TX_BCOPY_SIZE;
2396 	} else {
2397 		bcopy_thresh = nxge_bcopy_thresh;
2398 	}
2399 	tx_buf_alloc_size = (bcopy_thresh * nxge_tx_ring_size);
2400 
2401 	/*
2402 	 * Addresses of transmit descriptor ring and the
2403 	 * mailbox must be all cache-aligned (64 bytes).
2404 	 */
2405 	tx_cntl_alloc_size = nxge_tx_ring_size;
2406 	tx_cntl_alloc_size *= (sizeof (tx_desc_t));
2407 	tx_cntl_alloc_size += sizeof (txdma_mailbox_t);
2408 
2409 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2410 	if (nxgep->niu_type == N2_NIU) {
2411 		if (!ISP2(tx_buf_alloc_size)) {
2412 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2413 				"==> nxge_alloc_tx_mem_pool: "
2414 				" must be power of 2"));
2415 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2416 			goto nxge_alloc_tx_mem_pool_exit;
2417 		}
2418 
2419 		if (tx_buf_alloc_size > (1 << 22)) {
2420 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2421 				"==> nxge_alloc_tx_mem_pool: "
2422 				" limit size to 4M"));
2423 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2424 			goto nxge_alloc_tx_mem_pool_exit;
2425 		}
2426 
2427 		if (tx_cntl_alloc_size < 0x2000) {
2428 			tx_cntl_alloc_size = 0x2000;
2429 		}
2430 	}
2431 #endif
2432 
2433 	num_chunks = (uint32_t *)KMEM_ZALLOC(
2434 			sizeof (uint32_t) * ndmas, KM_SLEEP);
2435 
2436 	/*
2437 	 * Allocate memory for transmit buffers and descriptor rings.
2438 	 * Replace allocation functions with interface functions provided
2439 	 * by the partition manager when it is available.
2440 	 *
2441 	 * Allocate memory for the transmit buffer pool.
2442 	 */
2443 	for (i = 0; i < ndmas; i++) {
2444 		num_chunks[i] = 0;
2445 		status = nxge_alloc_tx_buf_dma(nxgep, st_tdc, &dma_buf_p[i],
2446 					tx_buf_alloc_size,
2447 					bcopy_thresh, &num_chunks[i]);
2448 		if (status != NXGE_OK) {
2449 			break;
2450 		}
2451 		st_tdc++;
2452 	}
2453 	if (i < ndmas) {
2454 		goto nxge_alloc_tx_mem_pool_fail1;
2455 	}
2456 
2457 	st_tdc = p_cfgp->start_tdc;
2458 	/*
2459 	 * Allocate memory for descriptor rings and mailbox.
2460 	 */
2461 	for (j = 0; j < ndmas; j++) {
2462 		status = nxge_alloc_tx_cntl_dma(nxgep, st_tdc, &dma_cntl_p[j],
2463 					tx_cntl_alloc_size);
2464 		if (status != NXGE_OK) {
2465 			break;
2466 		}
2467 		st_tdc++;
2468 	}
2469 	if (j < ndmas) {
2470 		goto nxge_alloc_tx_mem_pool_fail2;
2471 	}
2472 
2473 	dma_poolp->ndmas = ndmas;
2474 	dma_poolp->num_chunks = num_chunks;
2475 	dma_poolp->buf_allocated = B_TRUE;
2476 	dma_poolp->dma_buf_pool_p = dma_buf_p;
2477 	nxgep->tx_buf_pool_p = dma_poolp;
2478 
2479 	dma_cntl_poolp->ndmas = ndmas;
2480 	dma_cntl_poolp->buf_allocated = B_TRUE;
2481 	dma_cntl_poolp->dma_buf_pool_p = dma_cntl_p;
2482 	nxgep->tx_cntl_pool_p = dma_cntl_poolp;
2483 
2484 	NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2485 		"==> nxge_alloc_tx_mem_pool: start_tdc %d "
2486 		"ndmas %d poolp->ndmas %d",
2487 		st_tdc, ndmas, dma_poolp->ndmas));
2488 
2489 	goto nxge_alloc_tx_mem_pool_exit;
2490 
2491 nxge_alloc_tx_mem_pool_fail2:
2492 	/* Free control buffers */
2493 	j--;
2494 	for (; j >= 0; j--) {
2495 		nxge_free_tx_cntl_dma(nxgep,
2496 			(p_nxge_dma_common_t)dma_cntl_p[j]);
2497 	}
2498 
2499 nxge_alloc_tx_mem_pool_fail1:
2500 	/* Free data buffers */
2501 	i--;
2502 	for (; i >= 0; i--) {
2503 		nxge_free_tx_buf_dma(nxgep, (p_nxge_dma_common_t)dma_buf_p[i],
2504 			num_chunks[i]);
2505 	}
2506 
2507 	KMEM_FREE(dma_poolp, sizeof (nxge_dma_pool_t));
2508 	KMEM_FREE(dma_buf_p, ndmas * sizeof (p_nxge_dma_common_t));
2509 	KMEM_FREE(dma_cntl_poolp, sizeof (nxge_dma_pool_t));
2510 	KMEM_FREE(dma_cntl_p, ndmas * sizeof (p_nxge_dma_common_t));
2511 	KMEM_FREE(num_chunks, sizeof (uint32_t) * ndmas);
2512 
2513 nxge_alloc_tx_mem_pool_exit:
2514 	NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2515 		"<== nxge_alloc_tx_mem_pool:status 0x%08x", status));
2516 
2517 	return (status);
2518 }
2519 
2520 static nxge_status_t
2521 nxge_alloc_tx_buf_dma(p_nxge_t nxgep, uint16_t dma_channel,
2522     p_nxge_dma_common_t *dmap, size_t alloc_size,
2523     size_t block_size, uint32_t *num_chunks)
2524 {
2525 	p_nxge_dma_common_t 	tx_dmap;
2526 	nxge_status_t		status = NXGE_OK;
2527 	size_t			total_alloc_size;
2528 	size_t			allocated = 0;
2529 	int			i, size_index, array_size;
2530 
2531 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tx_buf_dma"));
2532 
2533 	tx_dmap = (p_nxge_dma_common_t)
2534 		KMEM_ZALLOC(sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK,
2535 			KM_SLEEP);
2536 
2537 	total_alloc_size = alloc_size;
2538 	i = 0;
2539 	size_index = 0;
2540 	array_size =  sizeof (alloc_sizes) /  sizeof (size_t);
2541 	while ((alloc_sizes[size_index] < alloc_size) &&
2542 		(size_index < array_size))
2543 		size_index++;
2544 	if (size_index >= array_size) {
2545 		size_index = array_size - 1;
2546 	}
2547 
2548 	while ((allocated < total_alloc_size) &&
2549 			(size_index >= 0) && (i < NXGE_DMA_BLOCK)) {
2550 
2551 		tx_dmap[i].dma_chunk_index = i;
2552 		tx_dmap[i].block_size = block_size;
2553 		tx_dmap[i].alength = alloc_sizes[size_index];
2554 		tx_dmap[i].orig_alength = tx_dmap[i].alength;
2555 		tx_dmap[i].nblocks = alloc_sizes[size_index] / block_size;
2556 		tx_dmap[i].dma_channel = dma_channel;
2557 		tx_dmap[i].contig_alloc_type = B_FALSE;
2558 
2559 		/*
2560 		 * N2/NIU: data buffers must be contiguous as the driver
2561 		 *	   needs to call Hypervisor api to set up
2562 		 *	   logical pages.
2563 		 */
2564 		if ((nxgep->niu_type == N2_NIU) && (NXGE_DMA_BLOCK == 1)) {
2565 			tx_dmap[i].contig_alloc_type = B_TRUE;
2566 		}
2567 
2568 		status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2569 			&nxge_tx_dma_attr,
2570 			tx_dmap[i].alength,
2571 			&nxge_dev_buf_dma_acc_attr,
2572 			DDI_DMA_WRITE | DDI_DMA_STREAMING,
2573 			(p_nxge_dma_common_t)(&tx_dmap[i]));
2574 		if (status != NXGE_OK) {
2575 			size_index--;
2576 		} else {
2577 			i++;
2578 			allocated += alloc_sizes[size_index];
2579 		}
2580 	}
2581 
2582 	if (allocated < total_alloc_size) {
2583 		goto nxge_alloc_tx_mem_fail1;
2584 	}
2585 
2586 	*num_chunks = i;
2587 	*dmap = tx_dmap;
2588 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2589 		"==> nxge_alloc_tx_buf_dma dmap 0x%016llx num chunks %d",
2590 		*dmap, i));
2591 	goto nxge_alloc_tx_mem_exit;
2592 
2593 nxge_alloc_tx_mem_fail1:
2594 	KMEM_FREE(tx_dmap, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2595 
2596 nxge_alloc_tx_mem_exit:
2597 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2598 		"<== nxge_alloc_tx_buf_dma status 0x%08x", status));
2599 
2600 	return (status);
2601 }
2602 
2603 /*ARGSUSED*/
2604 static void
2605 nxge_free_tx_buf_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap,
2606     uint32_t num_chunks)
2607 {
2608 	int		i;
2609 
2610 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_free_tx_buf_dma"));
2611 
2612 	for (i = 0; i < num_chunks; i++) {
2613 		nxge_dma_mem_free(dmap++);
2614 	}
2615 
2616 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "<== nxge_free_tx_buf_dma"));
2617 }
2618 
2619 /*ARGSUSED*/
2620 static nxge_status_t
2621 nxge_alloc_tx_cntl_dma(p_nxge_t nxgep, uint16_t dma_channel,
2622     p_nxge_dma_common_t *dmap, size_t size)
2623 {
2624 	p_nxge_dma_common_t 	tx_dmap;
2625 	nxge_status_t		status = NXGE_OK;
2626 
2627 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tx_cntl_dma"));
2628 	tx_dmap = (p_nxge_dma_common_t)
2629 			KMEM_ZALLOC(sizeof (nxge_dma_common_t), KM_SLEEP);
2630 
2631 	tx_dmap->contig_alloc_type = B_FALSE;
2632 
2633 	status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2634 			&nxge_desc_dma_attr,
2635 			size,
2636 			&nxge_dev_desc_dma_acc_attr,
2637 			DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
2638 			tx_dmap);
2639 	if (status != NXGE_OK) {
2640 		goto nxge_alloc_tx_cntl_dma_fail1;
2641 	}
2642 
2643 	*dmap = tx_dmap;
2644 	goto nxge_alloc_tx_cntl_dma_exit;
2645 
2646 nxge_alloc_tx_cntl_dma_fail1:
2647 	KMEM_FREE(tx_dmap, sizeof (nxge_dma_common_t));
2648 
2649 nxge_alloc_tx_cntl_dma_exit:
2650 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2651 		"<== nxge_alloc_tx_cntl_dma status 0x%08x", status));
2652 
2653 	return (status);
2654 }
2655 
2656 /*ARGSUSED*/
2657 static void
2658 nxge_free_tx_cntl_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap)
2659 {
2660 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_tx_cntl_dma"));
2661 
2662 	nxge_dma_mem_free(dmap);
2663 
2664 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_tx_cntl_dma"));
2665 }
2666 
2667 static void
2668 nxge_free_tx_mem_pool(p_nxge_t nxgep)
2669 {
2670 	uint32_t		i, ndmas;
2671 	p_nxge_dma_pool_t	dma_poolp;
2672 	p_nxge_dma_common_t	*dma_buf_p;
2673 	p_nxge_dma_pool_t	dma_cntl_poolp;
2674 	p_nxge_dma_common_t	*dma_cntl_p;
2675 	uint32_t 		*num_chunks;
2676 
2677 	NXGE_DEBUG_MSG((nxgep, MEM3_CTL, "==> nxge_free_tx_mem_pool"));
2678 
2679 	dma_poolp = nxgep->tx_buf_pool_p;
2680 	if (dma_poolp == NULL || (!dma_poolp->buf_allocated)) {
2681 		NXGE_DEBUG_MSG((nxgep, MEM3_CTL,
2682 			"<== nxge_free_tx_mem_pool "
2683 			"(null rx buf pool or buf not allocated"));
2684 		return;
2685 	}
2686 
2687 	dma_cntl_poolp = nxgep->tx_cntl_pool_p;
2688 	if (dma_cntl_poolp == NULL || (!dma_cntl_poolp->buf_allocated)) {
2689 		NXGE_DEBUG_MSG((nxgep, MEM3_CTL,
2690 			"<== nxge_free_tx_mem_pool "
2691 			"(null tx cntl buf pool or cntl buf not allocated"));
2692 		return;
2693 	}
2694 
2695 	dma_buf_p = dma_poolp->dma_buf_pool_p;
2696 	num_chunks = dma_poolp->num_chunks;
2697 
2698 	dma_cntl_p = dma_cntl_poolp->dma_buf_pool_p;
2699 	ndmas = dma_cntl_poolp->ndmas;
2700 
2701 	for (i = 0; i < ndmas; i++) {
2702 		nxge_free_tx_buf_dma(nxgep, dma_buf_p[i], num_chunks[i]);
2703 	}
2704 
2705 	for (i = 0; i < ndmas; i++) {
2706 		nxge_free_tx_cntl_dma(nxgep, dma_cntl_p[i]);
2707 	}
2708 
2709 	for (i = 0; i < ndmas; i++) {
2710 		KMEM_FREE(dma_buf_p[i],
2711 			sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2712 		KMEM_FREE(dma_cntl_p[i], sizeof (nxge_dma_common_t));
2713 	}
2714 
2715 	KMEM_FREE(num_chunks, sizeof (uint32_t) * ndmas);
2716 	KMEM_FREE(dma_cntl_p, ndmas * sizeof (p_nxge_dma_common_t));
2717 	KMEM_FREE(dma_cntl_poolp, sizeof (nxge_dma_pool_t));
2718 	KMEM_FREE(dma_buf_p, ndmas * sizeof (p_nxge_dma_common_t));
2719 	KMEM_FREE(dma_poolp, sizeof (nxge_dma_pool_t));
2720 
2721 	nxgep->tx_buf_pool_p = NULL;
2722 	nxgep->tx_cntl_pool_p = NULL;
2723 
2724 	NXGE_DEBUG_MSG((nxgep, MEM3_CTL, "<== nxge_free_tx_mem_pool"));
2725 }
2726 
2727 /*ARGSUSED*/
2728 static nxge_status_t
2729 nxge_dma_mem_alloc(p_nxge_t nxgep, dma_method_t method,
2730 	struct ddi_dma_attr *dma_attrp,
2731 	size_t length, ddi_device_acc_attr_t *acc_attr_p, uint_t xfer_flags,
2732 	p_nxge_dma_common_t dma_p)
2733 {
2734 	caddr_t 		kaddrp;
2735 	int			ddi_status = DDI_SUCCESS;
2736 	boolean_t		contig_alloc_type;
2737 
2738 	contig_alloc_type = dma_p->contig_alloc_type;
2739 
2740 	if (contig_alloc_type && (nxgep->niu_type != N2_NIU)) {
2741 		/*
2742 		 * contig_alloc_type for contiguous memory only allowed
2743 		 * for N2/NIU.
2744 		 */
2745 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2746 			"nxge_dma_mem_alloc: alloc type not allows (%d)",
2747 			dma_p->contig_alloc_type));
2748 		return (NXGE_ERROR | NXGE_DDI_FAILED);
2749 	}
2750 
2751 	dma_p->dma_handle = NULL;
2752 	dma_p->acc_handle = NULL;
2753 	dma_p->kaddrp = dma_p->last_kaddrp = NULL;
2754 	dma_p->first_ioaddr_pp = dma_p->last_ioaddr_pp = NULL;
2755 	ddi_status = ddi_dma_alloc_handle(nxgep->dip, dma_attrp,
2756 		DDI_DMA_DONTWAIT, NULL, &dma_p->dma_handle);
2757 	if (ddi_status != DDI_SUCCESS) {
2758 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2759 			"nxge_dma_mem_alloc:ddi_dma_alloc_handle failed."));
2760 		return (NXGE_ERROR | NXGE_DDI_FAILED);
2761 	}
2762 
2763 	switch (contig_alloc_type) {
2764 	case B_FALSE:
2765 		ddi_status = ddi_dma_mem_alloc(dma_p->dma_handle, length,
2766 			acc_attr_p,
2767 			xfer_flags,
2768 			DDI_DMA_DONTWAIT, 0, &kaddrp, &dma_p->alength,
2769 			&dma_p->acc_handle);
2770 		if (ddi_status != DDI_SUCCESS) {
2771 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2772 				"nxge_dma_mem_alloc:ddi_dma_mem_alloc failed"));
2773 			ddi_dma_free_handle(&dma_p->dma_handle);
2774 			dma_p->dma_handle = NULL;
2775 			return (NXGE_ERROR | NXGE_DDI_FAILED);
2776 		}
2777 		if (dma_p->alength < length) {
2778 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2779 				"nxge_dma_mem_alloc:ddi_dma_mem_alloc "
2780 				"< length."));
2781 			ddi_dma_mem_free(&dma_p->acc_handle);
2782 			ddi_dma_free_handle(&dma_p->dma_handle);
2783 			dma_p->acc_handle = NULL;
2784 			dma_p->dma_handle = NULL;
2785 			return (NXGE_ERROR);
2786 		}
2787 
2788 		ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle, NULL,
2789 			kaddrp, dma_p->alength, xfer_flags, DDI_DMA_DONTWAIT, 0,
2790 			&dma_p->dma_cookie, &dma_p->ncookies);
2791 		if (ddi_status != DDI_DMA_MAPPED) {
2792 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2793 				"nxge_dma_mem_alloc:di_dma_addr_bind failed "
2794 				"(staus 0x%x ncookies %d.)", ddi_status,
2795 				dma_p->ncookies));
2796 			if (dma_p->acc_handle) {
2797 				ddi_dma_mem_free(&dma_p->acc_handle);
2798 				dma_p->acc_handle = NULL;
2799 			}
2800 			ddi_dma_free_handle(&dma_p->dma_handle);
2801 			dma_p->dma_handle = NULL;
2802 			return (NXGE_ERROR | NXGE_DDI_FAILED);
2803 		}
2804 
2805 		if (dma_p->ncookies != 1) {
2806 			NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2807 				"nxge_dma_mem_alloc:ddi_dma_addr_bind "
2808 				"> 1 cookie"
2809 				"(staus 0x%x ncookies %d.)", ddi_status,
2810 				dma_p->ncookies));
2811 			if (dma_p->acc_handle) {
2812 				ddi_dma_mem_free(&dma_p->acc_handle);
2813 				dma_p->acc_handle = NULL;
2814 			}
2815 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
2816 			ddi_dma_free_handle(&dma_p->dma_handle);
2817 			dma_p->dma_handle = NULL;
2818 			return (NXGE_ERROR);
2819 		}
2820 		break;
2821 
2822 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2823 	case B_TRUE:
2824 		kaddrp = (caddr_t)contig_mem_alloc(length);
2825 		if (kaddrp == NULL) {
2826 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2827 				"nxge_dma_mem_alloc:contig_mem_alloc failed."));
2828 			ddi_dma_free_handle(&dma_p->dma_handle);
2829 			return (NXGE_ERROR | NXGE_DDI_FAILED);
2830 		}
2831 
2832 		dma_p->alength = length;
2833 		ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle, NULL,
2834 			kaddrp, dma_p->alength, xfer_flags, DDI_DMA_DONTWAIT, 0,
2835 			&dma_p->dma_cookie, &dma_p->ncookies);
2836 		if (ddi_status != DDI_DMA_MAPPED) {
2837 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2838 				"nxge_dma_mem_alloc:di_dma_addr_bind failed "
2839 				"(status 0x%x ncookies %d.)", ddi_status,
2840 				dma_p->ncookies));
2841 
2842 			NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2843 				"==> nxge_dma_mem_alloc: (not mapped)"
2844 				"length %lu (0x%x) "
2845 				"free contig kaddrp $%p "
2846 				"va_to_pa $%p",
2847 				length, length,
2848 				kaddrp,
2849 				va_to_pa(kaddrp)));
2850 
2851 
2852 			contig_mem_free((void *)kaddrp, length);
2853 			ddi_dma_free_handle(&dma_p->dma_handle);
2854 
2855 			dma_p->dma_handle = NULL;
2856 			dma_p->acc_handle = NULL;
2857 			dma_p->alength = NULL;
2858 			dma_p->kaddrp = NULL;
2859 
2860 			return (NXGE_ERROR | NXGE_DDI_FAILED);
2861 		}
2862 
2863 		if (dma_p->ncookies != 1 ||
2864 			(dma_p->dma_cookie.dmac_laddress == NULL)) {
2865 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2866 				"nxge_dma_mem_alloc:di_dma_addr_bind > 1 "
2867 				"cookie or "
2868 				"dmac_laddress is NULL $%p size %d "
2869 				" (status 0x%x ncookies %d.)",
2870 				ddi_status,
2871 				dma_p->dma_cookie.dmac_laddress,
2872 				dma_p->dma_cookie.dmac_size,
2873 				dma_p->ncookies));
2874 
2875 			contig_mem_free((void *)kaddrp, length);
2876 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
2877 			ddi_dma_free_handle(&dma_p->dma_handle);
2878 
2879 			dma_p->alength = 0;
2880 			dma_p->dma_handle = NULL;
2881 			dma_p->acc_handle = NULL;
2882 			dma_p->kaddrp = NULL;
2883 
2884 			return (NXGE_ERROR | NXGE_DDI_FAILED);
2885 		}
2886 		break;
2887 
2888 #else
2889 	case B_TRUE:
2890 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2891 			"nxge_dma_mem_alloc: invalid alloc type for !sun4v"));
2892 		return (NXGE_ERROR | NXGE_DDI_FAILED);
2893 #endif
2894 	}
2895 
2896 	dma_p->kaddrp = kaddrp;
2897 	dma_p->last_kaddrp = (unsigned char *)kaddrp +
2898 			dma_p->alength - RXBUF_64B_ALIGNED;
2899 	dma_p->ioaddr_pp = (unsigned char *)dma_p->dma_cookie.dmac_laddress;
2900 	dma_p->last_ioaddr_pp =
2901 		(unsigned char *)dma_p->dma_cookie.dmac_laddress +
2902 				dma_p->alength - RXBUF_64B_ALIGNED;
2903 
2904 	NPI_DMA_ACC_HANDLE_SET(dma_p, dma_p->acc_handle);
2905 
2906 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2907 	dma_p->orig_ioaddr_pp =
2908 		(unsigned char *)dma_p->dma_cookie.dmac_laddress;
2909 	dma_p->orig_alength = length;
2910 	dma_p->orig_kaddrp = kaddrp;
2911 	dma_p->orig_vatopa = (uint64_t)va_to_pa(kaddrp);
2912 #endif
2913 
2914 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_dma_mem_alloc: "
2915 		"dma buffer allocated: dma_p $%p "
2916 		"return dmac_ladress from cookie $%p cookie dmac_size %d "
2917 		"dma_p->ioaddr_p $%p "
2918 		"dma_p->orig_ioaddr_p $%p "
2919 		"orig_vatopa $%p "
2920 		"alength %d (0x%x) "
2921 		"kaddrp $%p "
2922 		"length %d (0x%x)",
2923 		dma_p,
2924 		dma_p->dma_cookie.dmac_laddress, dma_p->dma_cookie.dmac_size,
2925 		dma_p->ioaddr_pp,
2926 		dma_p->orig_ioaddr_pp,
2927 		dma_p->orig_vatopa,
2928 		dma_p->alength, dma_p->alength,
2929 		kaddrp,
2930 		length, length));
2931 
2932 	return (NXGE_OK);
2933 }
2934 
2935 static void
2936 nxge_dma_mem_free(p_nxge_dma_common_t dma_p)
2937 {
2938 	if (dma_p->dma_handle != NULL) {
2939 		if (dma_p->ncookies) {
2940 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
2941 			dma_p->ncookies = 0;
2942 		}
2943 		ddi_dma_free_handle(&dma_p->dma_handle);
2944 		dma_p->dma_handle = NULL;
2945 	}
2946 
2947 	if (dma_p->acc_handle != NULL) {
2948 		ddi_dma_mem_free(&dma_p->acc_handle);
2949 		dma_p->acc_handle = NULL;
2950 		NPI_DMA_ACC_HANDLE_SET(dma_p, NULL);
2951 	}
2952 
2953 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2954 	if (dma_p->contig_alloc_type &&
2955 			dma_p->orig_kaddrp && dma_p->orig_alength) {
2956 		NXGE_DEBUG_MSG((NULL, DMA_CTL, "nxge_dma_mem_free: "
2957 			"kaddrp $%p (orig_kaddrp $%p)"
2958 			"mem type %d ",
2959 			"orig_alength %d "
2960 			"alength 0x%x (%d)",
2961 			dma_p->kaddrp,
2962 			dma_p->orig_kaddrp,
2963 			dma_p->contig_alloc_type,
2964 			dma_p->orig_alength,
2965 			dma_p->alength, dma_p->alength));
2966 
2967 		contig_mem_free(dma_p->orig_kaddrp, dma_p->orig_alength);
2968 		dma_p->orig_alength = NULL;
2969 		dma_p->orig_kaddrp = NULL;
2970 		dma_p->contig_alloc_type = B_FALSE;
2971 	}
2972 #endif
2973 	dma_p->kaddrp = NULL;
2974 	dma_p->alength = NULL;
2975 }
2976 
2977 /*
2978  *	nxge_m_start() -- start transmitting and receiving.
2979  *
2980  *	This function is called by the MAC layer when the first
2981  *	stream is open to prepare the hardware ready for sending
2982  *	and transmitting packets.
2983  */
2984 static int
2985 nxge_m_start(void *arg)
2986 {
2987 	p_nxge_t 	nxgep = (p_nxge_t)arg;
2988 
2989 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_start"));
2990 
2991 	MUTEX_ENTER(nxgep->genlock);
2992 	if (nxge_init(nxgep) != NXGE_OK) {
2993 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2994 			"<== nxge_m_start: initialization failed"));
2995 		MUTEX_EXIT(nxgep->genlock);
2996 		return (EIO);
2997 	}
2998 
2999 	if (nxgep->nxge_mac_state == NXGE_MAC_STARTED)
3000 		goto nxge_m_start_exit;
3001 	/*
3002 	 * Start timer to check the system error and tx hangs
3003 	 */
3004 	nxgep->nxge_timerid = nxge_start_timer(nxgep, nxge_check_hw_state,
3005 		NXGE_CHECK_TIMER);
3006 
3007 	nxgep->link_notify = B_TRUE;
3008 
3009 	nxgep->nxge_mac_state = NXGE_MAC_STARTED;
3010 
3011 nxge_m_start_exit:
3012 	MUTEX_EXIT(nxgep->genlock);
3013 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_start"));
3014 	return (0);
3015 }
3016 
3017 /*
3018  *	nxge_m_stop(): stop transmitting and receiving.
3019  */
3020 static void
3021 nxge_m_stop(void *arg)
3022 {
3023 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3024 
3025 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_stop"));
3026 
3027 	if (nxgep->nxge_timerid) {
3028 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
3029 		nxgep->nxge_timerid = 0;
3030 	}
3031 
3032 	MUTEX_ENTER(nxgep->genlock);
3033 	nxge_uninit(nxgep);
3034 
3035 	nxgep->nxge_mac_state = NXGE_MAC_STOPPED;
3036 
3037 	MUTEX_EXIT(nxgep->genlock);
3038 
3039 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_stop"));
3040 }
3041 
3042 static int
3043 nxge_m_unicst(void *arg, const uint8_t *macaddr)
3044 {
3045 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3046 	struct 		ether_addr addrp;
3047 
3048 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "==> nxge_m_unicst"));
3049 
3050 	bcopy(macaddr, (uint8_t *)&addrp, ETHERADDRL);
3051 	if (nxge_set_mac_addr(nxgep, &addrp)) {
3052 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3053 			"<== nxge_m_unicst: set unitcast failed"));
3054 		return (EINVAL);
3055 	}
3056 
3057 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "<== nxge_m_unicst"));
3058 
3059 	return (0);
3060 }
3061 
3062 static int
3063 nxge_m_multicst(void *arg, boolean_t add, const uint8_t *mca)
3064 {
3065 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3066 	struct 		ether_addr addrp;
3067 
3068 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3069 		"==> nxge_m_multicst: add %d", add));
3070 
3071 	bcopy(mca, (uint8_t *)&addrp, ETHERADDRL);
3072 	if (add) {
3073 		if (nxge_add_mcast_addr(nxgep, &addrp)) {
3074 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3075 				"<== nxge_m_multicst: add multicast failed"));
3076 			return (EINVAL);
3077 		}
3078 	} else {
3079 		if (nxge_del_mcast_addr(nxgep, &addrp)) {
3080 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3081 				"<== nxge_m_multicst: del multicast failed"));
3082 			return (EINVAL);
3083 		}
3084 	}
3085 
3086 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "<== nxge_m_multicst"));
3087 
3088 	return (0);
3089 }
3090 
3091 static int
3092 nxge_m_promisc(void *arg, boolean_t on)
3093 {
3094 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3095 
3096 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3097 		"==> nxge_m_promisc: on %d", on));
3098 
3099 	if (nxge_set_promisc(nxgep, on)) {
3100 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3101 			"<== nxge_m_promisc: set promisc failed"));
3102 		return (EINVAL);
3103 	}
3104 
3105 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3106 		"<== nxge_m_promisc: on %d", on));
3107 
3108 	return (0);
3109 }
3110 
3111 static void
3112 nxge_m_ioctl(void *arg,  queue_t *wq, mblk_t *mp)
3113 {
3114 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3115 	struct 		iocblk *iocp;
3116 	boolean_t 	need_privilege;
3117 	int 		err;
3118 	int 		cmd;
3119 
3120 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_ioctl"));
3121 
3122 	iocp = (struct iocblk *)mp->b_rptr;
3123 	iocp->ioc_error = 0;
3124 	need_privilege = B_TRUE;
3125 	cmd = iocp->ioc_cmd;
3126 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_ioctl: cmd 0x%08x", cmd));
3127 	switch (cmd) {
3128 	default:
3129 		miocnak(wq, mp, 0, EINVAL);
3130 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_ioctl: invalid"));
3131 		return;
3132 
3133 	case LB_GET_INFO_SIZE:
3134 	case LB_GET_INFO:
3135 	case LB_GET_MODE:
3136 		need_privilege = B_FALSE;
3137 		break;
3138 	case LB_SET_MODE:
3139 		break;
3140 
3141 	case ND_GET:
3142 		need_privilege = B_FALSE;
3143 		break;
3144 	case ND_SET:
3145 		break;
3146 
3147 	case NXGE_GET_MII:
3148 	case NXGE_PUT_MII:
3149 	case NXGE_GET64:
3150 	case NXGE_PUT64:
3151 	case NXGE_GET_TX_RING_SZ:
3152 	case NXGE_GET_TX_DESC:
3153 	case NXGE_TX_SIDE_RESET:
3154 	case NXGE_RX_SIDE_RESET:
3155 	case NXGE_GLOBAL_RESET:
3156 	case NXGE_RESET_MAC:
3157 	case NXGE_TX_REGS_DUMP:
3158 	case NXGE_RX_REGS_DUMP:
3159 	case NXGE_INT_REGS_DUMP:
3160 	case NXGE_VIR_INT_REGS_DUMP:
3161 	case NXGE_PUT_TCAM:
3162 	case NXGE_GET_TCAM:
3163 	case NXGE_RTRACE:
3164 	case NXGE_RDUMP:
3165 
3166 		need_privilege = B_FALSE;
3167 		break;
3168 	case NXGE_INJECT_ERR:
3169 		cmn_err(CE_NOTE, "!nxge_m_ioctl: Inject error\n");
3170 		nxge_err_inject(nxgep, wq, mp);
3171 		break;
3172 	}
3173 
3174 	if (need_privilege) {
3175 		err = secpolicy_net_config(iocp->ioc_cr, B_FALSE);
3176 		if (err != 0) {
3177 			miocnak(wq, mp, 0, err);
3178 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3179 				"<== nxge_m_ioctl: no priv"));
3180 			return;
3181 		}
3182 	}
3183 
3184 	switch (cmd) {
3185 	case ND_GET:
3186 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "ND_GET command"));
3187 	case ND_SET:
3188 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "ND_SET command"));
3189 		nxge_param_ioctl(nxgep, wq, mp, iocp);
3190 		break;
3191 
3192 	case LB_GET_MODE:
3193 	case LB_SET_MODE:
3194 	case LB_GET_INFO_SIZE:
3195 	case LB_GET_INFO:
3196 		nxge_loopback_ioctl(nxgep, wq, mp, iocp);
3197 		break;
3198 
3199 	case NXGE_GET_MII:
3200 	case NXGE_PUT_MII:
3201 	case NXGE_PUT_TCAM:
3202 	case NXGE_GET_TCAM:
3203 	case NXGE_GET64:
3204 	case NXGE_PUT64:
3205 	case NXGE_GET_TX_RING_SZ:
3206 	case NXGE_GET_TX_DESC:
3207 	case NXGE_TX_SIDE_RESET:
3208 	case NXGE_RX_SIDE_RESET:
3209 	case NXGE_GLOBAL_RESET:
3210 	case NXGE_RESET_MAC:
3211 	case NXGE_TX_REGS_DUMP:
3212 	case NXGE_RX_REGS_DUMP:
3213 	case NXGE_INT_REGS_DUMP:
3214 	case NXGE_VIR_INT_REGS_DUMP:
3215 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
3216 			"==> nxge_m_ioctl: cmd 0x%x", cmd));
3217 		nxge_hw_ioctl(nxgep, wq, mp, iocp);
3218 		break;
3219 	}
3220 
3221 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_ioctl"));
3222 }
3223 
3224 extern void nxge_rx_hw_blank(void *arg, time_t ticks, uint_t count);
3225 
3226 static void
3227 nxge_m_resources(void *arg)
3228 {
3229 	p_nxge_t		nxgep = arg;
3230 	mac_rx_fifo_t 		mrf;
3231 	p_rx_rcr_rings_t	rcr_rings;
3232 	p_rx_rcr_ring_t		*rcr_p;
3233 	uint32_t		i, ndmas;
3234 	nxge_status_t		status;
3235 
3236 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "==> nxge_m_resources"));
3237 
3238 	MUTEX_ENTER(nxgep->genlock);
3239 
3240 	/*
3241 	 * CR 6492541 Check to see if the drv_state has been initialized,
3242 	 * if not * call nxge_init().
3243 	 */
3244 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3245 		status = nxge_init(nxgep);
3246 		if (status != NXGE_OK)
3247 			goto nxge_m_resources_exit;
3248 	}
3249 
3250 	mrf.mrf_type = MAC_RX_FIFO;
3251 	mrf.mrf_blank = nxge_rx_hw_blank;
3252 	mrf.mrf_arg = (void *)nxgep;
3253 
3254 	mrf.mrf_normal_blank_time = 128;
3255 	mrf.mrf_normal_pkt_count = 8;
3256 	rcr_rings = nxgep->rx_rcr_rings;
3257 	rcr_p = rcr_rings->rcr_rings;
3258 	ndmas = rcr_rings->ndmas;
3259 
3260 	/*
3261 	 * Export our receive resources to the MAC layer.
3262 	 */
3263 	for (i = 0; i < ndmas; i++) {
3264 		((p_rx_rcr_ring_t)rcr_p[i])->rcr_mac_handle =
3265 				mac_resource_add(nxgep->mach,
3266 				    (mac_resource_t *)&mrf);
3267 
3268 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
3269 			"==> nxge_m_resources: vdma %d dma %d "
3270 			"rcrptr 0x%016llx mac_handle 0x%016llx",
3271 			i, ((p_rx_rcr_ring_t)rcr_p[i])->rdc,
3272 			rcr_p[i],
3273 			((p_rx_rcr_ring_t)rcr_p[i])->rcr_mac_handle));
3274 	}
3275 
3276 nxge_m_resources_exit:
3277 	MUTEX_EXIT(nxgep->genlock);
3278 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "<== nxge_m_resources"));
3279 }
3280 
3281 static void
3282 nxge_mmac_kstat_update(p_nxge_t nxgep, mac_addr_slot_t slot, boolean_t factory)
3283 {
3284 	p_nxge_mmac_stats_t mmac_stats;
3285 	int i;
3286 	nxge_mmac_t *mmac_info;
3287 
3288 	mmac_info = &nxgep->nxge_mmac_info;
3289 
3290 	mmac_stats = &nxgep->statsp->mmac_stats;
3291 	mmac_stats->mmac_max_cnt = mmac_info->num_mmac;
3292 	mmac_stats->mmac_avail_cnt = mmac_info->naddrfree;
3293 
3294 	for (i = 0; i < ETHERADDRL; i++) {
3295 		if (factory) {
3296 			mmac_stats->mmac_avail_pool[slot-1].ether_addr_octet[i]
3297 			= mmac_info->factory_mac_pool[slot][(ETHERADDRL-1) - i];
3298 		} else {
3299 			mmac_stats->mmac_avail_pool[slot-1].ether_addr_octet[i]
3300 			= mmac_info->mac_pool[slot].addr[(ETHERADDRL - 1) - i];
3301 		}
3302 	}
3303 }
3304 
3305 /*
3306  * nxge_altmac_set() -- Set an alternate MAC address
3307  */
3308 static int
3309 nxge_altmac_set(p_nxge_t nxgep, uint8_t *maddr, mac_addr_slot_t slot)
3310 {
3311 	uint8_t addrn;
3312 	uint8_t portn;
3313 	npi_mac_addr_t altmac;
3314 	hostinfo_t mac_rdc;
3315 	p_nxge_class_pt_cfg_t clscfgp;
3316 
3317 	altmac.w2 = ((uint16_t)maddr[0] << 8) | ((uint16_t)maddr[1] & 0x0ff);
3318 	altmac.w1 = ((uint16_t)maddr[2] << 8) | ((uint16_t)maddr[3] & 0x0ff);
3319 	altmac.w0 = ((uint16_t)maddr[4] << 8) | ((uint16_t)maddr[5] & 0x0ff);
3320 
3321 	portn = nxgep->mac.portnum;
3322 	addrn = (uint8_t)slot - 1;
3323 
3324 	if (npi_mac_altaddr_entry(nxgep->npi_handle, OP_SET, portn,
3325 		addrn, &altmac) != NPI_SUCCESS)
3326 		return (EIO);
3327 
3328 	/*
3329 	 * Set the rdc table number for the host info entry
3330 	 * for this mac address slot.
3331 	 */
3332 	clscfgp = (p_nxge_class_pt_cfg_t)&nxgep->class_config;
3333 	mac_rdc.value = 0;
3334 	mac_rdc.bits.w0.rdc_tbl_num = clscfgp->mac_host_info[addrn].rdctbl;
3335 	mac_rdc.bits.w0.mac_pref = clscfgp->mac_host_info[addrn].mpr_npr;
3336 
3337 	if (npi_mac_hostinfo_entry(nxgep->npi_handle, OP_SET,
3338 	    nxgep->function_num, addrn, &mac_rdc) != NPI_SUCCESS) {
3339 		return (EIO);
3340 	}
3341 
3342 	/*
3343 	 * Enable comparison with the alternate MAC address.
3344 	 * While the first alternate addr is enabled by bit 1 of register
3345 	 * BMAC_ALTAD_CMPEN, it is enabled by bit 0 of register
3346 	 * XMAC_ADDR_CMPEN, so slot needs to be converted to addrn
3347 	 * accordingly before calling npi_mac_altaddr_entry.
3348 	 */
3349 	if (portn == XMAC_PORT_0 || portn == XMAC_PORT_1)
3350 		addrn = (uint8_t)slot - 1;
3351 	else
3352 		addrn = (uint8_t)slot;
3353 
3354 	if (npi_mac_altaddr_enable(nxgep->npi_handle, portn, addrn)
3355 		!= NPI_SUCCESS)
3356 		return (EIO);
3357 
3358 	return (0);
3359 }
3360 
3361 /*
3362  * nxeg_m_mmac_add() - find an unused address slot, set the address
3363  * value to the one specified, enable the port to start filtering on
3364  * the new MAC address.  Returns 0 on success.
3365  */
3366 static int
3367 nxge_m_mmac_add(void *arg, mac_multi_addr_t *maddr)
3368 {
3369 	p_nxge_t nxgep = arg;
3370 	mac_addr_slot_t slot;
3371 	nxge_mmac_t *mmac_info;
3372 	int err;
3373 	nxge_status_t status;
3374 
3375 	mutex_enter(nxgep->genlock);
3376 
3377 	/*
3378 	 * Make sure that nxge is initialized, if _start() has
3379 	 * not been called.
3380 	 */
3381 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3382 		status = nxge_init(nxgep);
3383 		if (status != NXGE_OK) {
3384 			mutex_exit(nxgep->genlock);
3385 			return (ENXIO);
3386 		}
3387 	}
3388 
3389 	mmac_info = &nxgep->nxge_mmac_info;
3390 	if (mmac_info->naddrfree == 0) {
3391 		mutex_exit(nxgep->genlock);
3392 		return (ENOSPC);
3393 	}
3394 	if (!mac_unicst_verify(nxgep->mach, maddr->mma_addr,
3395 		maddr->mma_addrlen)) {
3396 		mutex_exit(nxgep->genlock);
3397 		return (EINVAL);
3398 	}
3399 	/*
3400 	 * 	Search for the first available slot. Because naddrfree
3401 	 * is not zero, we are guaranteed to find one.
3402 	 * 	Slot 0 is for unique (primary) MAC. The first alternate
3403 	 * MAC slot is slot 1.
3404 	 *	Each of the first two ports of Neptune has 16 alternate
3405 	 * MAC slots but only the first 7 (or 15) slots have assigned factory
3406 	 * MAC addresses. We first search among the slots without bundled
3407 	 * factory MACs. If we fail to find one in that range, then we
3408 	 * search the slots with bundled factory MACs.  A factory MAC
3409 	 * will be wasted while the slot is used with a user MAC address.
3410 	 * But the slot could be used by factory MAC again after calling
3411 	 * nxge_m_mmac_remove and nxge_m_mmac_reserve.
3412 	 */
3413 	if (mmac_info->num_factory_mmac < mmac_info->num_mmac) {
3414 		for (slot = mmac_info->num_factory_mmac + 1;
3415 			slot <= mmac_info->num_mmac; slot++) {
3416 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
3417 				break;
3418 		}
3419 		if (slot > mmac_info->num_mmac) {
3420 			for (slot = 1; slot <= mmac_info->num_factory_mmac;
3421 				slot++) {
3422 				if (!(mmac_info->mac_pool[slot].flags
3423 					& MMAC_SLOT_USED))
3424 					break;
3425 			}
3426 		}
3427 	} else {
3428 		for (slot = 1; slot <= mmac_info->num_mmac; slot++) {
3429 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
3430 				break;
3431 		}
3432 	}
3433 	ASSERT(slot <= mmac_info->num_mmac);
3434 	if ((err = nxge_altmac_set(nxgep, maddr->mma_addr, slot)) != 0) {
3435 		mutex_exit(nxgep->genlock);
3436 		return (err);
3437 	}
3438 	bcopy(maddr->mma_addr, mmac_info->mac_pool[slot].addr, ETHERADDRL);
3439 	mmac_info->mac_pool[slot].flags |= MMAC_SLOT_USED;
3440 	mmac_info->mac_pool[slot].flags &= ~MMAC_VENDOR_ADDR;
3441 	mmac_info->naddrfree--;
3442 	nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
3443 
3444 	maddr->mma_slot = slot;
3445 
3446 	mutex_exit(nxgep->genlock);
3447 	return (0);
3448 }
3449 
3450 /*
3451  * This function reserves an unused slot and programs the slot and the HW
3452  * with a factory mac address.
3453  */
3454 static int
3455 nxge_m_mmac_reserve(void *arg, mac_multi_addr_t *maddr)
3456 {
3457 	p_nxge_t nxgep = arg;
3458 	mac_addr_slot_t slot;
3459 	nxge_mmac_t *mmac_info;
3460 	int err;
3461 	nxge_status_t status;
3462 
3463 	mutex_enter(nxgep->genlock);
3464 
3465 	/*
3466 	 * Make sure that nxge is initialized, if _start() has
3467 	 * not been called.
3468 	 */
3469 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3470 		status = nxge_init(nxgep);
3471 		if (status != NXGE_OK) {
3472 			mutex_exit(nxgep->genlock);
3473 			return (ENXIO);
3474 		}
3475 	}
3476 
3477 	mmac_info = &nxgep->nxge_mmac_info;
3478 	if (mmac_info->naddrfree == 0) {
3479 		mutex_exit(nxgep->genlock);
3480 		return (ENOSPC);
3481 	}
3482 
3483 	slot = maddr->mma_slot;
3484 	if (slot == -1) {  /* -1: Take the first available slot */
3485 		for (slot = 1; slot <= mmac_info->num_factory_mmac; slot++) {
3486 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
3487 				break;
3488 		}
3489 		if (slot > mmac_info->num_factory_mmac) {
3490 			mutex_exit(nxgep->genlock);
3491 			return (ENOSPC);
3492 		}
3493 	}
3494 	if (slot < 1 || slot > mmac_info->num_factory_mmac) {
3495 		/*
3496 		 * Do not support factory MAC at a slot greater than
3497 		 * num_factory_mmac even when there are available factory
3498 		 * MAC addresses because the alternate MACs are bundled with
3499 		 * slot[1] through slot[num_factory_mmac]
3500 		 */
3501 		mutex_exit(nxgep->genlock);
3502 		return (EINVAL);
3503 	}
3504 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
3505 		mutex_exit(nxgep->genlock);
3506 		return (EBUSY);
3507 	}
3508 	/* Verify the address to be reserved */
3509 	if (!mac_unicst_verify(nxgep->mach,
3510 		mmac_info->factory_mac_pool[slot], ETHERADDRL)) {
3511 		mutex_exit(nxgep->genlock);
3512 		return (EINVAL);
3513 	}
3514 	if (err = nxge_altmac_set(nxgep,
3515 		mmac_info->factory_mac_pool[slot], slot)) {
3516 		mutex_exit(nxgep->genlock);
3517 		return (err);
3518 	}
3519 	bcopy(mmac_info->factory_mac_pool[slot], maddr->mma_addr, ETHERADDRL);
3520 	mmac_info->mac_pool[slot].flags |= MMAC_SLOT_USED | MMAC_VENDOR_ADDR;
3521 	mmac_info->naddrfree--;
3522 
3523 	nxge_mmac_kstat_update(nxgep, slot, B_TRUE);
3524 	mutex_exit(nxgep->genlock);
3525 
3526 	/* Pass info back to the caller */
3527 	maddr->mma_slot = slot;
3528 	maddr->mma_addrlen = ETHERADDRL;
3529 	maddr->mma_flags = MMAC_SLOT_USED | MMAC_VENDOR_ADDR;
3530 
3531 	return (0);
3532 }
3533 
3534 /*
3535  * Remove the specified mac address and update the HW not to filter
3536  * the mac address anymore.
3537  */
3538 static int
3539 nxge_m_mmac_remove(void *arg, mac_addr_slot_t slot)
3540 {
3541 	p_nxge_t nxgep = arg;
3542 	nxge_mmac_t *mmac_info;
3543 	uint8_t addrn;
3544 	uint8_t portn;
3545 	int err = 0;
3546 	nxge_status_t status;
3547 
3548 	mutex_enter(nxgep->genlock);
3549 
3550 	/*
3551 	 * Make sure that nxge is initialized, if _start() has
3552 	 * not been called.
3553 	 */
3554 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3555 		status = nxge_init(nxgep);
3556 		if (status != NXGE_OK) {
3557 			mutex_exit(nxgep->genlock);
3558 			return (ENXIO);
3559 		}
3560 	}
3561 
3562 	mmac_info = &nxgep->nxge_mmac_info;
3563 	if (slot < 1 || slot > mmac_info->num_mmac) {
3564 		mutex_exit(nxgep->genlock);
3565 		return (EINVAL);
3566 	}
3567 
3568 	portn = nxgep->mac.portnum;
3569 	if (portn == XMAC_PORT_0 || portn == XMAC_PORT_1)
3570 		addrn = (uint8_t)slot - 1;
3571 	else
3572 		addrn = (uint8_t)slot;
3573 
3574 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
3575 		if (npi_mac_altaddr_disable(nxgep->npi_handle, portn, addrn)
3576 				== NPI_SUCCESS) {
3577 			mmac_info->naddrfree++;
3578 			mmac_info->mac_pool[slot].flags &= ~MMAC_SLOT_USED;
3579 			/*
3580 			 * Regardless if the MAC we just stopped filtering
3581 			 * is a user addr or a facory addr, we must set
3582 			 * the MMAC_VENDOR_ADDR flag if this slot has an
3583 			 * associated factory MAC to indicate that a factory
3584 			 * MAC is available.
3585 			 */
3586 			if (slot <= mmac_info->num_factory_mmac) {
3587 				mmac_info->mac_pool[slot].flags
3588 					|= MMAC_VENDOR_ADDR;
3589 			}
3590 			/*
3591 			 * Clear mac_pool[slot].addr so that kstat shows 0
3592 			 * alternate MAC address if the slot is not used.
3593 			 * (But nxge_m_mmac_get returns the factory MAC even
3594 			 * when the slot is not used!)
3595 			 */
3596 			bzero(mmac_info->mac_pool[slot].addr, ETHERADDRL);
3597 			nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
3598 		} else {
3599 			err = EIO;
3600 		}
3601 	} else {
3602 		err = EINVAL;
3603 	}
3604 
3605 	mutex_exit(nxgep->genlock);
3606 	return (err);
3607 }
3608 
3609 
3610 /*
3611  * Modify a mac address added by nxge_m_mmac_add or nxge_m_mmac_reserve().
3612  */
3613 static int
3614 nxge_m_mmac_modify(void *arg, mac_multi_addr_t *maddr)
3615 {
3616 	p_nxge_t nxgep = arg;
3617 	mac_addr_slot_t slot;
3618 	nxge_mmac_t *mmac_info;
3619 	int err = 0;
3620 	nxge_status_t status;
3621 
3622 	if (!mac_unicst_verify(nxgep->mach, maddr->mma_addr,
3623 			maddr->mma_addrlen))
3624 		return (EINVAL);
3625 
3626 	slot = maddr->mma_slot;
3627 
3628 	mutex_enter(nxgep->genlock);
3629 
3630 	/*
3631 	 * Make sure that nxge is initialized, if _start() has
3632 	 * not been called.
3633 	 */
3634 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3635 		status = nxge_init(nxgep);
3636 		if (status != NXGE_OK) {
3637 			mutex_exit(nxgep->genlock);
3638 			return (ENXIO);
3639 		}
3640 	}
3641 
3642 	mmac_info = &nxgep->nxge_mmac_info;
3643 	if (slot < 1 || slot > mmac_info->num_mmac) {
3644 		mutex_exit(nxgep->genlock);
3645 		return (EINVAL);
3646 	}
3647 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
3648 		if ((err = nxge_altmac_set(nxgep, maddr->mma_addr, slot))
3649 			!= 0) {
3650 			bcopy(maddr->mma_addr, mmac_info->mac_pool[slot].addr,
3651 				ETHERADDRL);
3652 			/*
3653 			 * Assume that the MAC passed down from the caller
3654 			 * is not a factory MAC address (The user should
3655 			 * call mmac_remove followed by mmac_reserve if
3656 			 * he wants to use the factory MAC for this slot).
3657 			 */
3658 			mmac_info->mac_pool[slot].flags &= ~MMAC_VENDOR_ADDR;
3659 			nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
3660 		}
3661 	} else {
3662 		err = EINVAL;
3663 	}
3664 	mutex_exit(nxgep->genlock);
3665 	return (err);
3666 }
3667 
3668 /*
3669  * nxge_m_mmac_get() - Get the MAC address and other information
3670  * related to the slot.  mma_flags should be set to 0 in the call.
3671  * Note: although kstat shows MAC address as zero when a slot is
3672  * not used, Crossbow expects nxge_m_mmac_get to copy factory MAC
3673  * to the caller as long as the slot is not using a user MAC address.
3674  * The following table shows the rules,
3675  *
3676  *				   USED    VENDOR    mma_addr
3677  * ------------------------------------------------------------
3678  * (1) Slot uses a user MAC:        yes      no     user MAC
3679  * (2) Slot uses a factory MAC:     yes      yes    factory MAC
3680  * (3) Slot is not used but is
3681  *     factory MAC capable:         no       yes    factory MAC
3682  * (4) Slot is not used and is
3683  *     not factory MAC capable:     no       no        0
3684  * ------------------------------------------------------------
3685  */
3686 static int
3687 nxge_m_mmac_get(void *arg, mac_multi_addr_t *maddr)
3688 {
3689 	nxge_t *nxgep = arg;
3690 	mac_addr_slot_t slot;
3691 	nxge_mmac_t *mmac_info;
3692 	nxge_status_t status;
3693 
3694 	slot = maddr->mma_slot;
3695 
3696 	mutex_enter(nxgep->genlock);
3697 
3698 	/*
3699 	 * Make sure that nxge is initialized, if _start() has
3700 	 * not been called.
3701 	 */
3702 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3703 		status = nxge_init(nxgep);
3704 		if (status != NXGE_OK) {
3705 			mutex_exit(nxgep->genlock);
3706 			return (ENXIO);
3707 		}
3708 	}
3709 
3710 	mmac_info = &nxgep->nxge_mmac_info;
3711 
3712 	if (slot < 1 || slot > mmac_info->num_mmac) {
3713 		mutex_exit(nxgep->genlock);
3714 		return (EINVAL);
3715 	}
3716 	maddr->mma_flags = 0;
3717 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED)
3718 		maddr->mma_flags |= MMAC_SLOT_USED;
3719 
3720 	if (mmac_info->mac_pool[slot].flags & MMAC_VENDOR_ADDR) {
3721 		maddr->mma_flags |= MMAC_VENDOR_ADDR;
3722 		bcopy(mmac_info->factory_mac_pool[slot],
3723 			maddr->mma_addr, ETHERADDRL);
3724 		maddr->mma_addrlen = ETHERADDRL;
3725 	} else {
3726 		if (maddr->mma_flags & MMAC_SLOT_USED) {
3727 			bcopy(mmac_info->mac_pool[slot].addr,
3728 				maddr->mma_addr, ETHERADDRL);
3729 			maddr->mma_addrlen = ETHERADDRL;
3730 		} else {
3731 			bzero(maddr->mma_addr, ETHERADDRL);
3732 			maddr->mma_addrlen = 0;
3733 		}
3734 	}
3735 	mutex_exit(nxgep->genlock);
3736 	return (0);
3737 }
3738 
3739 
3740 static boolean_t
3741 nxge_m_getcapab(void *arg, mac_capab_t cap, void *cap_data)
3742 {
3743 	nxge_t *nxgep = arg;
3744 	uint32_t *txflags = cap_data;
3745 	multiaddress_capab_t *mmacp = cap_data;
3746 
3747 	switch (cap) {
3748 	case MAC_CAPAB_HCKSUM:
3749 		*txflags = HCKSUM_INET_PARTIAL;
3750 		break;
3751 	case MAC_CAPAB_POLL:
3752 		/*
3753 		 * There's nothing for us to fill in, simply returning
3754 		 * B_TRUE stating that we support polling is sufficient.
3755 		 */
3756 		break;
3757 
3758 	case MAC_CAPAB_MULTIADDRESS:
3759 		mutex_enter(nxgep->genlock);
3760 
3761 		mmacp->maddr_naddr = nxgep->nxge_mmac_info.num_mmac;
3762 		mmacp->maddr_naddrfree = nxgep->nxge_mmac_info.naddrfree;
3763 		mmacp->maddr_flag = 0; /* 0 is requried by PSARC2006/265 */
3764 		/*
3765 		 * maddr_handle is driver's private data, passed back to
3766 		 * entry point functions as arg.
3767 		 */
3768 		mmacp->maddr_handle	= nxgep;
3769 		mmacp->maddr_add	= nxge_m_mmac_add;
3770 		mmacp->maddr_remove	= nxge_m_mmac_remove;
3771 		mmacp->maddr_modify	= nxge_m_mmac_modify;
3772 		mmacp->maddr_get	= nxge_m_mmac_get;
3773 		mmacp->maddr_reserve	= nxge_m_mmac_reserve;
3774 
3775 		mutex_exit(nxgep->genlock);
3776 		break;
3777 	default:
3778 		return (B_FALSE);
3779 	}
3780 	return (B_TRUE);
3781 }
3782 
3783 /*
3784  * Module loading and removing entry points.
3785  */
3786 
3787 static	struct cb_ops 	nxge_cb_ops = {
3788 	nodev,			/* cb_open */
3789 	nodev,			/* cb_close */
3790 	nodev,			/* cb_strategy */
3791 	nodev,			/* cb_print */
3792 	nodev,			/* cb_dump */
3793 	nodev,			/* cb_read */
3794 	nodev,			/* cb_write */
3795 	nodev,			/* cb_ioctl */
3796 	nodev,			/* cb_devmap */
3797 	nodev,			/* cb_mmap */
3798 	nodev,			/* cb_segmap */
3799 	nochpoll,		/* cb_chpoll */
3800 	ddi_prop_op,		/* cb_prop_op */
3801 	NULL,
3802 	D_MP, 			/* cb_flag */
3803 	CB_REV,			/* rev */
3804 	nodev,			/* int (*cb_aread)() */
3805 	nodev			/* int (*cb_awrite)() */
3806 };
3807 
3808 static struct dev_ops nxge_dev_ops = {
3809 	DEVO_REV,		/* devo_rev */
3810 	0,			/* devo_refcnt */
3811 	nulldev,
3812 	nulldev,		/* devo_identify */
3813 	nulldev,		/* devo_probe */
3814 	nxge_attach,		/* devo_attach */
3815 	nxge_detach,		/* devo_detach */
3816 	nodev,			/* devo_reset */
3817 	&nxge_cb_ops,		/* devo_cb_ops */
3818 	(struct bus_ops *)NULL, /* devo_bus_ops	*/
3819 	ddi_power		/* devo_power */
3820 };
3821 
3822 extern	struct	mod_ops	mod_driverops;
3823 
3824 #define	NXGE_DESC_VER		"Sun NIU 10Gb Ethernet"
3825 
3826 /*
3827  * Module linkage information for the kernel.
3828  */
3829 static struct modldrv 	nxge_modldrv = {
3830 	&mod_driverops,
3831 	NXGE_DESC_VER,
3832 	&nxge_dev_ops
3833 };
3834 
3835 static struct modlinkage modlinkage = {
3836 	MODREV_1, (void *) &nxge_modldrv, NULL
3837 };
3838 
3839 int
3840 _init(void)
3841 {
3842 	int		status;
3843 
3844 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _init"));
3845 	mac_init_ops(&nxge_dev_ops, "nxge");
3846 	status = ddi_soft_state_init(&nxge_list, sizeof (nxge_t), 0);
3847 	if (status != 0) {
3848 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL,
3849 			"failed to init device soft state"));
3850 		goto _init_exit;
3851 	}
3852 
3853 	status = mod_install(&modlinkage);
3854 	if (status != 0) {
3855 		ddi_soft_state_fini(&nxge_list);
3856 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL, "Mod install failed"));
3857 		goto _init_exit;
3858 	}
3859 
3860 	MUTEX_INIT(&nxge_common_lock, NULL, MUTEX_DRIVER, NULL);
3861 
3862 _init_exit:
3863 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "_init status = 0x%X", status));
3864 
3865 	return (status);
3866 }
3867 
3868 int
3869 _fini(void)
3870 {
3871 	int		status;
3872 
3873 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _fini"));
3874 
3875 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _fini: mod_remove"));
3876 
3877 	if (nxge_mblks_pending)
3878 		return (EBUSY);
3879 
3880 	status = mod_remove(&modlinkage);
3881 	if (status != DDI_SUCCESS) {
3882 		NXGE_DEBUG_MSG((NULL, MOD_CTL,
3883 			    "Module removal failed 0x%08x",
3884 			    status));
3885 		goto _fini_exit;
3886 	}
3887 
3888 	mac_fini_ops(&nxge_dev_ops);
3889 
3890 	ddi_soft_state_fini(&nxge_list);
3891 
3892 	MUTEX_DESTROY(&nxge_common_lock);
3893 _fini_exit:
3894 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "_fini status = 0x%08x", status));
3895 
3896 	return (status);
3897 }
3898 
3899 int
3900 _info(struct modinfo *modinfop)
3901 {
3902 	int		status;
3903 
3904 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _info"));
3905 	status = mod_info(&modlinkage, modinfop);
3906 	NXGE_DEBUG_MSG((NULL, MOD_CTL, " _info status = 0x%X", status));
3907 
3908 	return (status);
3909 }
3910 
3911 /*ARGSUSED*/
3912 static nxge_status_t
3913 nxge_add_intrs(p_nxge_t nxgep)
3914 {
3915 
3916 	int		intr_types;
3917 	int		type = 0;
3918 	int		ddi_status = DDI_SUCCESS;
3919 	nxge_status_t	status = NXGE_OK;
3920 
3921 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs"));
3922 
3923 	nxgep->nxge_intr_type.intr_registered = B_FALSE;
3924 	nxgep->nxge_intr_type.intr_enabled = B_FALSE;
3925 	nxgep->nxge_intr_type.msi_intx_cnt = 0;
3926 	nxgep->nxge_intr_type.intr_added = 0;
3927 	nxgep->nxge_intr_type.niu_msi_enable = B_FALSE;
3928 	nxgep->nxge_intr_type.intr_type = 0;
3929 
3930 	if (nxgep->niu_type == N2_NIU) {
3931 		nxgep->nxge_intr_type.niu_msi_enable = B_TRUE;
3932 	} else if (nxge_msi_enable) {
3933 		nxgep->nxge_intr_type.niu_msi_enable = B_TRUE;
3934 	}
3935 
3936 	/* Get the supported interrupt types */
3937 	if ((ddi_status = ddi_intr_get_supported_types(nxgep->dip, &intr_types))
3938 			!= DDI_SUCCESS) {
3939 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_add_intrs: "
3940 			"ddi_intr_get_supported_types failed: status 0x%08x",
3941 			ddi_status));
3942 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3943 	}
3944 	nxgep->nxge_intr_type.intr_types = intr_types;
3945 
3946 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
3947 		"ddi_intr_get_supported_types: 0x%08x", intr_types));
3948 
3949 	/*
3950 	 * Solaris MSIX is not supported yet. use MSI for now.
3951 	 * nxge_msi_enable (1):
3952 	 *	1 - MSI		2 - MSI-X	others - FIXED
3953 	 */
3954 	switch (nxge_msi_enable) {
3955 	default:
3956 		type = DDI_INTR_TYPE_FIXED;
3957 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
3958 			"use fixed (intx emulation) type %08x",
3959 			type));
3960 		break;
3961 
3962 	case 2:
3963 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
3964 			"ddi_intr_get_supported_types: 0x%08x", intr_types));
3965 		if (intr_types & DDI_INTR_TYPE_MSIX) {
3966 			type = DDI_INTR_TYPE_MSIX;
3967 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
3968 				"ddi_intr_get_supported_types: MSIX 0x%08x",
3969 				type));
3970 		} else if (intr_types & DDI_INTR_TYPE_MSI) {
3971 			type = DDI_INTR_TYPE_MSI;
3972 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
3973 				"ddi_intr_get_supported_types: MSI 0x%08x",
3974 				type));
3975 		} else if (intr_types & DDI_INTR_TYPE_FIXED) {
3976 			type = DDI_INTR_TYPE_FIXED;
3977 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
3978 				"ddi_intr_get_supported_types: MSXED0x%08x",
3979 				type));
3980 		}
3981 		break;
3982 
3983 	case 1:
3984 		if (intr_types & DDI_INTR_TYPE_MSI) {
3985 			type = DDI_INTR_TYPE_MSI;
3986 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
3987 				"ddi_intr_get_supported_types: MSI 0x%08x",
3988 				type));
3989 		} else if (intr_types & DDI_INTR_TYPE_MSIX) {
3990 			type = DDI_INTR_TYPE_MSIX;
3991 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
3992 				"ddi_intr_get_supported_types: MSIX 0x%08x",
3993 				type));
3994 		} else if (intr_types & DDI_INTR_TYPE_FIXED) {
3995 			type = DDI_INTR_TYPE_FIXED;
3996 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
3997 				"ddi_intr_get_supported_types: MSXED0x%08x",
3998 				type));
3999 		}
4000 	}
4001 
4002 	nxgep->nxge_intr_type.intr_type = type;
4003 	if ((type == DDI_INTR_TYPE_MSIX || type == DDI_INTR_TYPE_MSI ||
4004 		type == DDI_INTR_TYPE_FIXED) &&
4005 			nxgep->nxge_intr_type.niu_msi_enable) {
4006 		if ((status = nxge_add_intrs_adv(nxgep)) != DDI_SUCCESS) {
4007 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4008 				    " nxge_add_intrs: "
4009 				    " nxge_add_intrs_adv failed: status 0x%08x",
4010 				    status));
4011 			return (status);
4012 		} else {
4013 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
4014 			"interrupts registered : type %d", type));
4015 			nxgep->nxge_intr_type.intr_registered = B_TRUE;
4016 
4017 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
4018 				"\nAdded advanced nxge add_intr_adv "
4019 					"intr type 0x%x\n", type));
4020 
4021 			return (status);
4022 		}
4023 	}
4024 
4025 	if (!nxgep->nxge_intr_type.intr_registered) {
4026 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "==> nxge_add_intrs: "
4027 			"failed to register interrupts"));
4028 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4029 	}
4030 
4031 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_add_intrs"));
4032 	return (status);
4033 }
4034 
4035 /*ARGSUSED*/
4036 static nxge_status_t
4037 nxge_add_soft_intrs(p_nxge_t nxgep)
4038 {
4039 
4040 	int		ddi_status = DDI_SUCCESS;
4041 	nxge_status_t	status = NXGE_OK;
4042 
4043 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_soft_intrs"));
4044 
4045 	nxgep->resched_id = NULL;
4046 	nxgep->resched_running = B_FALSE;
4047 	ddi_status = ddi_add_softintr(nxgep->dip, DDI_SOFTINT_LOW,
4048 			&nxgep->resched_id,
4049 		NULL, NULL, nxge_reschedule, (caddr_t)nxgep);
4050 	if (ddi_status != DDI_SUCCESS) {
4051 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_add_soft_intrs: "
4052 			"ddi_add_softintrs failed: status 0x%08x",
4053 			ddi_status));
4054 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4055 	}
4056 
4057 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_ddi_add_soft_intrs"));
4058 
4059 	return (status);
4060 }
4061 
4062 static nxge_status_t
4063 nxge_add_intrs_adv(p_nxge_t nxgep)
4064 {
4065 	int		intr_type;
4066 	p_nxge_intr_t	intrp;
4067 
4068 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs_adv"));
4069 
4070 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
4071 	intr_type = intrp->intr_type;
4072 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs_adv: type 0x%x",
4073 		intr_type));
4074 
4075 	switch (intr_type) {
4076 	case DDI_INTR_TYPE_MSI: /* 0x2 */
4077 	case DDI_INTR_TYPE_MSIX: /* 0x4 */
4078 		return (nxge_add_intrs_adv_type(nxgep, intr_type));
4079 
4080 	case DDI_INTR_TYPE_FIXED: /* 0x1 */
4081 		return (nxge_add_intrs_adv_type_fix(nxgep, intr_type));
4082 
4083 	default:
4084 		return (NXGE_ERROR);
4085 	}
4086 }
4087 
4088 
4089 /*ARGSUSED*/
4090 static nxge_status_t
4091 nxge_add_intrs_adv_type(p_nxge_t nxgep, uint32_t int_type)
4092 {
4093 	dev_info_t		*dip = nxgep->dip;
4094 	p_nxge_ldg_t		ldgp;
4095 	p_nxge_intr_t		intrp;
4096 	uint_t			*inthandler;
4097 	void			*arg1, *arg2;
4098 	int			behavior;
4099 	int			nintrs, navail, nrequest;
4100 	int			nactual, nrequired;
4101 	int			inum = 0;
4102 	int			x, y;
4103 	int			ddi_status = DDI_SUCCESS;
4104 	nxge_status_t		status = NXGE_OK;
4105 
4106 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs_adv_type"));
4107 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
4108 	intrp->start_inum = 0;
4109 
4110 	ddi_status = ddi_intr_get_nintrs(dip, int_type, &nintrs);
4111 	if ((ddi_status != DDI_SUCCESS) || (nintrs == 0)) {
4112 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4113 			"ddi_intr_get_nintrs() failed, status: 0x%x%, "
4114 			    "nintrs: %d", ddi_status, nintrs));
4115 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4116 	}
4117 
4118 	ddi_status = ddi_intr_get_navail(dip, int_type, &navail);
4119 	if ((ddi_status != DDI_SUCCESS) || (navail == 0)) {
4120 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4121 			"ddi_intr_get_navail() failed, status: 0x%x%, "
4122 			    "nintrs: %d", ddi_status, navail));
4123 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4124 	}
4125 
4126 	NXGE_DEBUG_MSG((nxgep, INT_CTL,
4127 		"ddi_intr_get_navail() returned: nintrs %d, navail %d",
4128 		    nintrs, navail));
4129 
4130 	/* PSARC/2007/453 MSI-X interrupt limit override */
4131 	if (int_type == DDI_INTR_TYPE_MSIX) {
4132 		nrequest = nxge_create_msi_property(nxgep);
4133 		if (nrequest < navail) {
4134 			navail = nrequest;
4135 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
4136 			    "nxge_add_intrs_adv_type: nintrs %d "
4137 			    "navail %d (nrequest %d)",
4138 			    nintrs, navail, nrequest));
4139 		}
4140 	}
4141 
4142 	if (int_type == DDI_INTR_TYPE_MSI && !ISP2(navail)) {
4143 		/* MSI must be power of 2 */
4144 		if ((navail & 16) == 16) {
4145 			navail = 16;
4146 		} else if ((navail & 8) == 8) {
4147 			navail = 8;
4148 		} else if ((navail & 4) == 4) {
4149 			navail = 4;
4150 		} else if ((navail & 2) == 2) {
4151 			navail = 2;
4152 		} else {
4153 			navail = 1;
4154 		}
4155 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
4156 			"ddi_intr_get_navail(): (msi power of 2) nintrs %d, "
4157 			"navail %d", nintrs, navail));
4158 	}
4159 
4160 	behavior = ((int_type == DDI_INTR_TYPE_FIXED) ? DDI_INTR_ALLOC_STRICT :
4161 			DDI_INTR_ALLOC_NORMAL);
4162 	intrp->intr_size = navail * sizeof (ddi_intr_handle_t);
4163 	intrp->htable = kmem_alloc(intrp->intr_size, KM_SLEEP);
4164 	ddi_status = ddi_intr_alloc(dip, intrp->htable, int_type, inum,
4165 		    navail, &nactual, behavior);
4166 	if (ddi_status != DDI_SUCCESS || nactual == 0) {
4167 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4168 				    " ddi_intr_alloc() failed: %d",
4169 				    ddi_status));
4170 		kmem_free(intrp->htable, intrp->intr_size);
4171 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4172 	}
4173 
4174 	if ((ddi_status = ddi_intr_get_pri(intrp->htable[0],
4175 			(uint_t *)&intrp->pri)) != DDI_SUCCESS) {
4176 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4177 				    " ddi_intr_get_pri() failed: %d",
4178 				    ddi_status));
4179 		/* Free already allocated interrupts */
4180 		for (y = 0; y < nactual; y++) {
4181 			(void) ddi_intr_free(intrp->htable[y]);
4182 		}
4183 
4184 		kmem_free(intrp->htable, intrp->intr_size);
4185 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4186 	}
4187 
4188 	nrequired = 0;
4189 	switch (nxgep->niu_type) {
4190 	default:
4191 		status = nxge_ldgv_init(nxgep, &nactual, &nrequired);
4192 		break;
4193 
4194 	case N2_NIU:
4195 		status = nxge_ldgv_init_n2(nxgep, &nactual, &nrequired);
4196 		break;
4197 	}
4198 
4199 	if (status != NXGE_OK) {
4200 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4201 			"nxge_add_intrs_adv_typ:nxge_ldgv_init "
4202 			"failed: 0x%x", status));
4203 		/* Free already allocated interrupts */
4204 		for (y = 0; y < nactual; y++) {
4205 			(void) ddi_intr_free(intrp->htable[y]);
4206 		}
4207 
4208 		kmem_free(intrp->htable, intrp->intr_size);
4209 		return (status);
4210 	}
4211 
4212 	ldgp = nxgep->ldgvp->ldgp;
4213 	for (x = 0; x < nrequired; x++, ldgp++) {
4214 		ldgp->vector = (uint8_t)x;
4215 		ldgp->intdata = SID_DATA(ldgp->func, x);
4216 		arg1 = ldgp->ldvp;
4217 		arg2 = nxgep;
4218 		if (ldgp->nldvs == 1) {
4219 			inthandler = (uint_t *)ldgp->ldvp->ldv_intr_handler;
4220 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
4221 				"nxge_add_intrs_adv_type: "
4222 				"arg1 0x%x arg2 0x%x: "
4223 				"1-1 int handler (entry %d intdata 0x%x)\n",
4224 				arg1, arg2,
4225 				x, ldgp->intdata));
4226 		} else if (ldgp->nldvs > 1) {
4227 			inthandler = (uint_t *)ldgp->sys_intr_handler;
4228 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
4229 				"nxge_add_intrs_adv_type: "
4230 				"arg1 0x%x arg2 0x%x: "
4231 				"nldevs %d int handler "
4232 				"(entry %d intdata 0x%x)\n",
4233 				arg1, arg2,
4234 				ldgp->nldvs, x, ldgp->intdata));
4235 		}
4236 
4237 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
4238 			"==> nxge_add_intrs_adv_type: ddi_add_intr(inum) #%d "
4239 			"htable 0x%llx", x, intrp->htable[x]));
4240 
4241 		if ((ddi_status = ddi_intr_add_handler(intrp->htable[x],
4242 			(ddi_intr_handler_t *)inthandler, arg1, arg2))
4243 				!= DDI_SUCCESS) {
4244 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4245 				"==> nxge_add_intrs_adv_type: failed #%d "
4246 				"status 0x%x", x, ddi_status));
4247 			for (y = 0; y < intrp->intr_added; y++) {
4248 				(void) ddi_intr_remove_handler(
4249 						intrp->htable[y]);
4250 			}
4251 			/* Free already allocated intr */
4252 			for (y = 0; y < nactual; y++) {
4253 				(void) ddi_intr_free(intrp->htable[y]);
4254 			}
4255 			kmem_free(intrp->htable, intrp->intr_size);
4256 
4257 			(void) nxge_ldgv_uninit(nxgep);
4258 
4259 			return (NXGE_ERROR | NXGE_DDI_FAILED);
4260 		}
4261 		intrp->intr_added++;
4262 	}
4263 
4264 	intrp->msi_intx_cnt = nactual;
4265 
4266 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
4267 		"Requested: %d, Allowed: %d msi_intx_cnt %d intr_added %d",
4268 		navail, nactual,
4269 		intrp->msi_intx_cnt,
4270 		intrp->intr_added));
4271 
4272 	(void) ddi_intr_get_cap(intrp->htable[0], &intrp->intr_cap);
4273 
4274 	(void) nxge_intr_ldgv_init(nxgep);
4275 
4276 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_add_intrs_adv_type"));
4277 
4278 	return (status);
4279 }
4280 
4281 /*ARGSUSED*/
4282 static nxge_status_t
4283 nxge_add_intrs_adv_type_fix(p_nxge_t nxgep, uint32_t int_type)
4284 {
4285 	dev_info_t		*dip = nxgep->dip;
4286 	p_nxge_ldg_t		ldgp;
4287 	p_nxge_intr_t		intrp;
4288 	uint_t			*inthandler;
4289 	void			*arg1, *arg2;
4290 	int			behavior;
4291 	int			nintrs, navail;
4292 	int			nactual, nrequired;
4293 	int			inum = 0;
4294 	int			x, y;
4295 	int			ddi_status = DDI_SUCCESS;
4296 	nxge_status_t		status = NXGE_OK;
4297 
4298 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs_adv_type_fix"));
4299 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
4300 	intrp->start_inum = 0;
4301 
4302 	ddi_status = ddi_intr_get_nintrs(dip, int_type, &nintrs);
4303 	if ((ddi_status != DDI_SUCCESS) || (nintrs == 0)) {
4304 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
4305 			"ddi_intr_get_nintrs() failed, status: 0x%x%, "
4306 			    "nintrs: %d", status, nintrs));
4307 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4308 	}
4309 
4310 	ddi_status = ddi_intr_get_navail(dip, int_type, &navail);
4311 	if ((ddi_status != DDI_SUCCESS) || (navail == 0)) {
4312 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4313 			"ddi_intr_get_navail() failed, status: 0x%x%, "
4314 			    "nintrs: %d", ddi_status, navail));
4315 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4316 	}
4317 
4318 	NXGE_DEBUG_MSG((nxgep, INT_CTL,
4319 		"ddi_intr_get_navail() returned: nintrs %d, naavail %d",
4320 		    nintrs, navail));
4321 
4322 	behavior = ((int_type == DDI_INTR_TYPE_FIXED) ? DDI_INTR_ALLOC_STRICT :
4323 			DDI_INTR_ALLOC_NORMAL);
4324 	intrp->intr_size = navail * sizeof (ddi_intr_handle_t);
4325 	intrp->htable = kmem_alloc(intrp->intr_size, KM_SLEEP);
4326 	ddi_status = ddi_intr_alloc(dip, intrp->htable, int_type, inum,
4327 		    navail, &nactual, behavior);
4328 	if (ddi_status != DDI_SUCCESS || nactual == 0) {
4329 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4330 			    " ddi_intr_alloc() failed: %d",
4331 			    ddi_status));
4332 		kmem_free(intrp->htable, intrp->intr_size);
4333 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4334 	}
4335 
4336 	if ((ddi_status = ddi_intr_get_pri(intrp->htable[0],
4337 			(uint_t *)&intrp->pri)) != DDI_SUCCESS) {
4338 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4339 				    " ddi_intr_get_pri() failed: %d",
4340 				    ddi_status));
4341 		/* Free already allocated interrupts */
4342 		for (y = 0; y < nactual; y++) {
4343 			(void) ddi_intr_free(intrp->htable[y]);
4344 		}
4345 
4346 		kmem_free(intrp->htable, intrp->intr_size);
4347 		return (NXGE_ERROR | NXGE_DDI_FAILED);
4348 	}
4349 
4350 	nrequired = 0;
4351 	switch (nxgep->niu_type) {
4352 	default:
4353 		status = nxge_ldgv_init(nxgep, &nactual, &nrequired);
4354 		break;
4355 
4356 	case N2_NIU:
4357 		status = nxge_ldgv_init_n2(nxgep, &nactual, &nrequired);
4358 		break;
4359 	}
4360 
4361 	if (status != NXGE_OK) {
4362 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4363 			"nxge_add_intrs_adv_type_fix:nxge_ldgv_init "
4364 			"failed: 0x%x", status));
4365 		/* Free already allocated interrupts */
4366 		for (y = 0; y < nactual; y++) {
4367 			(void) ddi_intr_free(intrp->htable[y]);
4368 		}
4369 
4370 		kmem_free(intrp->htable, intrp->intr_size);
4371 		return (status);
4372 	}
4373 
4374 	ldgp = nxgep->ldgvp->ldgp;
4375 	for (x = 0; x < nrequired; x++, ldgp++) {
4376 		ldgp->vector = (uint8_t)x;
4377 		if (nxgep->niu_type != N2_NIU) {
4378 			ldgp->intdata = SID_DATA(ldgp->func, x);
4379 		}
4380 
4381 		arg1 = ldgp->ldvp;
4382 		arg2 = nxgep;
4383 		if (ldgp->nldvs == 1) {
4384 			inthandler = (uint_t *)ldgp->ldvp->ldv_intr_handler;
4385 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
4386 				"nxge_add_intrs_adv_type_fix: "
4387 				"1-1 int handler(%d) ldg %d ldv %d "
4388 				"arg1 $%p arg2 $%p\n",
4389 				x, ldgp->ldg, ldgp->ldvp->ldv,
4390 				arg1, arg2));
4391 		} else if (ldgp->nldvs > 1) {
4392 			inthandler = (uint_t *)ldgp->sys_intr_handler;
4393 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
4394 				"nxge_add_intrs_adv_type_fix: "
4395 				"shared ldv %d int handler(%d) ldv %d ldg %d"
4396 				"arg1 0x%016llx arg2 0x%016llx\n",
4397 				x, ldgp->nldvs, ldgp->ldg, ldgp->ldvp->ldv,
4398 				arg1, arg2));
4399 		}
4400 
4401 		if ((ddi_status = ddi_intr_add_handler(intrp->htable[x],
4402 			(ddi_intr_handler_t *)inthandler, arg1, arg2))
4403 				!= DDI_SUCCESS) {
4404 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
4405 				"==> nxge_add_intrs_adv_type_fix: failed #%d "
4406 				"status 0x%x", x, ddi_status));
4407 			for (y = 0; y < intrp->intr_added; y++) {
4408 				(void) ddi_intr_remove_handler(
4409 						intrp->htable[y]);
4410 			}
4411 			for (y = 0; y < nactual; y++) {
4412 				(void) ddi_intr_free(intrp->htable[y]);
4413 			}
4414 			/* Free already allocated intr */
4415 			kmem_free(intrp->htable, intrp->intr_size);
4416 
4417 			(void) nxge_ldgv_uninit(nxgep);
4418 
4419 			return (NXGE_ERROR | NXGE_DDI_FAILED);
4420 		}
4421 		intrp->intr_added++;
4422 	}
4423 
4424 	intrp->msi_intx_cnt = nactual;
4425 
4426 	(void) ddi_intr_get_cap(intrp->htable[0], &intrp->intr_cap);
4427 
4428 	status = nxge_intr_ldgv_init(nxgep);
4429 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_add_intrs_adv_type_fix"));
4430 
4431 	return (status);
4432 }
4433 
4434 static void
4435 nxge_remove_intrs(p_nxge_t nxgep)
4436 {
4437 	int		i, inum;
4438 	p_nxge_intr_t	intrp;
4439 
4440 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_intrs"));
4441 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
4442 	if (!intrp->intr_registered) {
4443 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
4444 			"<== nxge_remove_intrs: interrupts not registered"));
4445 		return;
4446 	}
4447 
4448 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_intrs:advanced"));
4449 
4450 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
4451 		(void) ddi_intr_block_disable(intrp->htable,
4452 			intrp->intr_added);
4453 	} else {
4454 		for (i = 0; i < intrp->intr_added; i++) {
4455 			(void) ddi_intr_disable(intrp->htable[i]);
4456 		}
4457 	}
4458 
4459 	for (inum = 0; inum < intrp->intr_added; inum++) {
4460 		if (intrp->htable[inum]) {
4461 			(void) ddi_intr_remove_handler(intrp->htable[inum]);
4462 		}
4463 	}
4464 
4465 	for (inum = 0; inum < intrp->msi_intx_cnt; inum++) {
4466 		if (intrp->htable[inum]) {
4467 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
4468 				"nxge_remove_intrs: ddi_intr_free inum %d "
4469 				"msi_intx_cnt %d intr_added %d",
4470 				inum,
4471 				intrp->msi_intx_cnt,
4472 				intrp->intr_added));
4473 
4474 			(void) ddi_intr_free(intrp->htable[inum]);
4475 		}
4476 	}
4477 
4478 	kmem_free(intrp->htable, intrp->intr_size);
4479 	intrp->intr_registered = B_FALSE;
4480 	intrp->intr_enabled = B_FALSE;
4481 	intrp->msi_intx_cnt = 0;
4482 	intrp->intr_added = 0;
4483 
4484 	(void) nxge_ldgv_uninit(nxgep);
4485 
4486 	(void) ddi_prop_remove(DDI_DEV_T_NONE, nxgep->dip,
4487 	    "#msix-request");
4488 
4489 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_remove_intrs"));
4490 }
4491 
4492 /*ARGSUSED*/
4493 static void
4494 nxge_remove_soft_intrs(p_nxge_t nxgep)
4495 {
4496 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_soft_intrs"));
4497 	if (nxgep->resched_id) {
4498 		ddi_remove_softintr(nxgep->resched_id);
4499 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
4500 			"==> nxge_remove_soft_intrs: removed"));
4501 		nxgep->resched_id = NULL;
4502 	}
4503 
4504 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_remove_soft_intrs"));
4505 }
4506 
4507 /*ARGSUSED*/
4508 static void
4509 nxge_intrs_enable(p_nxge_t nxgep)
4510 {
4511 	p_nxge_intr_t	intrp;
4512 	int		i;
4513 	int		status;
4514 
4515 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable"));
4516 
4517 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
4518 
4519 	if (!intrp->intr_registered) {
4520 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_intrs_enable: "
4521 			"interrupts are not registered"));
4522 		return;
4523 	}
4524 
4525 	if (intrp->intr_enabled) {
4526 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
4527 			"<== nxge_intrs_enable: already enabled"));
4528 		return;
4529 	}
4530 
4531 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
4532 		status = ddi_intr_block_enable(intrp->htable,
4533 			intrp->intr_added);
4534 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable "
4535 			"block enable - status 0x%x total inums #%d\n",
4536 			status, intrp->intr_added));
4537 	} else {
4538 		for (i = 0; i < intrp->intr_added; i++) {
4539 			status = ddi_intr_enable(intrp->htable[i]);
4540 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable "
4541 				"ddi_intr_enable:enable - status 0x%x "
4542 				"total inums %d enable inum #%d\n",
4543 				status, intrp->intr_added, i));
4544 			if (status == DDI_SUCCESS) {
4545 				intrp->intr_enabled = B_TRUE;
4546 			}
4547 		}
4548 	}
4549 
4550 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_enable"));
4551 }
4552 
4553 /*ARGSUSED*/
4554 static void
4555 nxge_intrs_disable(p_nxge_t nxgep)
4556 {
4557 	p_nxge_intr_t	intrp;
4558 	int		i;
4559 
4560 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_disable"));
4561 
4562 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
4563 
4564 	if (!intrp->intr_registered) {
4565 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_disable: "
4566 			"interrupts are not registered"));
4567 		return;
4568 	}
4569 
4570 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
4571 		(void) ddi_intr_block_disable(intrp->htable,
4572 			intrp->intr_added);
4573 	} else {
4574 		for (i = 0; i < intrp->intr_added; i++) {
4575 			(void) ddi_intr_disable(intrp->htable[i]);
4576 		}
4577 	}
4578 
4579 	intrp->intr_enabled = B_FALSE;
4580 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_disable"));
4581 }
4582 
4583 static nxge_status_t
4584 nxge_mac_register(p_nxge_t nxgep)
4585 {
4586 	mac_register_t *macp;
4587 	int		status;
4588 
4589 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_mac_register"));
4590 
4591 	if ((macp = mac_alloc(MAC_VERSION)) == NULL)
4592 		return (NXGE_ERROR);
4593 
4594 	macp->m_type_ident = MAC_PLUGIN_IDENT_ETHER;
4595 	macp->m_driver = nxgep;
4596 	macp->m_dip = nxgep->dip;
4597 	macp->m_src_addr = nxgep->ouraddr.ether_addr_octet;
4598 	macp->m_callbacks = &nxge_m_callbacks;
4599 	macp->m_min_sdu = 0;
4600 	macp->m_max_sdu = nxgep->mac.maxframesize -
4601 		sizeof (struct ether_header) - ETHERFCSL - 4;
4602 
4603 	status = mac_register(macp, &nxgep->mach);
4604 	mac_free(macp);
4605 
4606 	if (status != 0) {
4607 		cmn_err(CE_WARN,
4608 			"!nxge_mac_register failed (status %d instance %d)",
4609 			status, nxgep->instance);
4610 		return (NXGE_ERROR);
4611 	}
4612 
4613 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_mac_register success "
4614 		"(instance %d)", nxgep->instance));
4615 
4616 	return (NXGE_OK);
4617 }
4618 
4619 void
4620 nxge_err_inject(p_nxge_t nxgep, queue_t *wq, mblk_t *mp)
4621 {
4622 	ssize_t		size;
4623 	mblk_t		*nmp;
4624 	uint8_t		blk_id;
4625 	uint8_t		chan;
4626 	uint32_t	err_id;
4627 	err_inject_t	*eip;
4628 
4629 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_err_inject"));
4630 
4631 	size = 1024;
4632 	nmp = mp->b_cont;
4633 	eip = (err_inject_t *)nmp->b_rptr;
4634 	blk_id = eip->blk_id;
4635 	err_id = eip->err_id;
4636 	chan = eip->chan;
4637 	cmn_err(CE_NOTE, "!blk_id = 0x%x\n", blk_id);
4638 	cmn_err(CE_NOTE, "!err_id = 0x%x\n", err_id);
4639 	cmn_err(CE_NOTE, "!chan = 0x%x\n", chan);
4640 	switch (blk_id) {
4641 	case MAC_BLK_ID:
4642 		break;
4643 	case TXMAC_BLK_ID:
4644 		break;
4645 	case RXMAC_BLK_ID:
4646 		break;
4647 	case MIF_BLK_ID:
4648 		break;
4649 	case IPP_BLK_ID:
4650 		nxge_ipp_inject_err(nxgep, err_id);
4651 		break;
4652 	case TXC_BLK_ID:
4653 		nxge_txc_inject_err(nxgep, err_id);
4654 		break;
4655 	case TXDMA_BLK_ID:
4656 		nxge_txdma_inject_err(nxgep, err_id, chan);
4657 		break;
4658 	case RXDMA_BLK_ID:
4659 		nxge_rxdma_inject_err(nxgep, err_id, chan);
4660 		break;
4661 	case ZCP_BLK_ID:
4662 		nxge_zcp_inject_err(nxgep, err_id);
4663 		break;
4664 	case ESPC_BLK_ID:
4665 		break;
4666 	case FFLP_BLK_ID:
4667 		break;
4668 	case PHY_BLK_ID:
4669 		break;
4670 	case ETHER_SERDES_BLK_ID:
4671 		break;
4672 	case PCIE_SERDES_BLK_ID:
4673 		break;
4674 	case VIR_BLK_ID:
4675 		break;
4676 	}
4677 
4678 	nmp->b_wptr = nmp->b_rptr + size;
4679 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "<== nxge_err_inject"));
4680 
4681 	miocack(wq, mp, (int)size, 0);
4682 }
4683 
4684 static int
4685 nxge_init_common_dev(p_nxge_t nxgep)
4686 {
4687 	p_nxge_hw_list_t	hw_p;
4688 	dev_info_t 		*p_dip;
4689 
4690 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==> nxge_init_common_device"));
4691 
4692 	p_dip = nxgep->p_dip;
4693 	MUTEX_ENTER(&nxge_common_lock);
4694 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4695 		"==> nxge_init_common_dev:func # %d",
4696 			nxgep->function_num));
4697 	/*
4698 	 * Loop through existing per neptune hardware list.
4699 	 */
4700 	for (hw_p = nxge_hw_list; hw_p; hw_p = hw_p->next) {
4701 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4702 			"==> nxge_init_common_device:func # %d "
4703 			"hw_p $%p parent dip $%p",
4704 			nxgep->function_num,
4705 			hw_p,
4706 			p_dip));
4707 		if (hw_p->parent_devp == p_dip) {
4708 			nxgep->nxge_hw_p = hw_p;
4709 			hw_p->ndevs++;
4710 			hw_p->nxge_p[nxgep->function_num] = nxgep;
4711 			NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4712 				"==> nxge_init_common_device:func # %d "
4713 				"hw_p $%p parent dip $%p "
4714 				"ndevs %d (found)",
4715 				nxgep->function_num,
4716 				hw_p,
4717 				p_dip,
4718 				hw_p->ndevs));
4719 			break;
4720 		}
4721 	}
4722 
4723 	if (hw_p == NULL) {
4724 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4725 			"==> nxge_init_common_device:func # %d "
4726 			"parent dip $%p (new)",
4727 			nxgep->function_num,
4728 			p_dip));
4729 		hw_p = kmem_zalloc(sizeof (nxge_hw_list_t), KM_SLEEP);
4730 		hw_p->parent_devp = p_dip;
4731 		hw_p->magic = NXGE_NEPTUNE_MAGIC;
4732 		nxgep->nxge_hw_p = hw_p;
4733 		hw_p->ndevs++;
4734 		hw_p->nxge_p[nxgep->function_num] = nxgep;
4735 		hw_p->next = nxge_hw_list;
4736 		if (nxgep->niu_type == N2_NIU) {
4737 			hw_p->niu_type = N2_NIU;
4738 			hw_p->platform_type = P_NEPTUNE_NIU;
4739 		} else {
4740 			hw_p->niu_type = NIU_TYPE_NONE;
4741 			hw_p->platform_type = P_NEPTUNE_NONE;
4742 		}
4743 
4744 		MUTEX_INIT(&hw_p->nxge_cfg_lock, NULL, MUTEX_DRIVER, NULL);
4745 		MUTEX_INIT(&hw_p->nxge_tcam_lock, NULL, MUTEX_DRIVER, NULL);
4746 		MUTEX_INIT(&hw_p->nxge_vlan_lock, NULL, MUTEX_DRIVER, NULL);
4747 		MUTEX_INIT(&hw_p->nxge_mdio_lock, NULL, MUTEX_DRIVER, NULL);
4748 		MUTEX_INIT(&hw_p->nxge_mii_lock, NULL, MUTEX_DRIVER, NULL);
4749 
4750 		nxge_hw_list = hw_p;
4751 
4752 		(void) nxge_scan_ports_phy(nxgep, nxge_hw_list);
4753 	}
4754 
4755 	MUTEX_EXIT(&nxge_common_lock);
4756 
4757 	nxgep->platform_type = hw_p->platform_type;
4758 	if (nxgep->niu_type != N2_NIU) {
4759 		nxgep->niu_type = hw_p->niu_type;
4760 	}
4761 
4762 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4763 		"==> nxge_init_common_device (nxge_hw_list) $%p",
4764 		nxge_hw_list));
4765 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<== nxge_init_common_device"));
4766 
4767 	return (NXGE_OK);
4768 }
4769 
4770 static void
4771 nxge_uninit_common_dev(p_nxge_t nxgep)
4772 {
4773 	p_nxge_hw_list_t	hw_p, h_hw_p;
4774 	dev_info_t 		*p_dip;
4775 
4776 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==> nxge_uninit_common_device"));
4777 	if (nxgep->nxge_hw_p == NULL) {
4778 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4779 			"<== nxge_uninit_common_device (no common)"));
4780 		return;
4781 	}
4782 
4783 	MUTEX_ENTER(&nxge_common_lock);
4784 	h_hw_p = nxge_hw_list;
4785 	for (hw_p = nxge_hw_list; hw_p; hw_p = hw_p->next) {
4786 		p_dip = hw_p->parent_devp;
4787 		if (nxgep->nxge_hw_p == hw_p &&
4788 			p_dip == nxgep->p_dip &&
4789 			nxgep->nxge_hw_p->magic == NXGE_NEPTUNE_MAGIC &&
4790 			hw_p->magic == NXGE_NEPTUNE_MAGIC) {
4791 
4792 			NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4793 				"==> nxge_uninit_common_device:func # %d "
4794 				"hw_p $%p parent dip $%p "
4795 				"ndevs %d (found)",
4796 				nxgep->function_num,
4797 				hw_p,
4798 				p_dip,
4799 				hw_p->ndevs));
4800 
4801 			nxgep->nxge_hw_p = NULL;
4802 			if (hw_p->ndevs) {
4803 				hw_p->ndevs--;
4804 			}
4805 			hw_p->nxge_p[nxgep->function_num] = NULL;
4806 			if (!hw_p->ndevs) {
4807 				MUTEX_DESTROY(&hw_p->nxge_vlan_lock);
4808 				MUTEX_DESTROY(&hw_p->nxge_tcam_lock);
4809 				MUTEX_DESTROY(&hw_p->nxge_cfg_lock);
4810 				MUTEX_DESTROY(&hw_p->nxge_mdio_lock);
4811 				MUTEX_DESTROY(&hw_p->nxge_mii_lock);
4812 				NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4813 					"==> nxge_uninit_common_device: "
4814 					"func # %d "
4815 					"hw_p $%p parent dip $%p "
4816 					"ndevs %d (last)",
4817 					nxgep->function_num,
4818 					hw_p,
4819 					p_dip,
4820 					hw_p->ndevs));
4821 
4822 				if (hw_p == nxge_hw_list) {
4823 					NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4824 						"==> nxge_uninit_common_device:"
4825 						"remove head func # %d "
4826 						"hw_p $%p parent dip $%p "
4827 						"ndevs %d (head)",
4828 						nxgep->function_num,
4829 						hw_p,
4830 						p_dip,
4831 						hw_p->ndevs));
4832 					nxge_hw_list = hw_p->next;
4833 				} else {
4834 					NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4835 						"==> nxge_uninit_common_device:"
4836 						"remove middle func # %d "
4837 						"hw_p $%p parent dip $%p "
4838 						"ndevs %d (middle)",
4839 						nxgep->function_num,
4840 						hw_p,
4841 						p_dip,
4842 						hw_p->ndevs));
4843 					h_hw_p->next = hw_p->next;
4844 				}
4845 
4846 				KMEM_FREE(hw_p, sizeof (nxge_hw_list_t));
4847 			}
4848 			break;
4849 		} else {
4850 			h_hw_p = hw_p;
4851 		}
4852 	}
4853 
4854 	MUTEX_EXIT(&nxge_common_lock);
4855 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4856 		"==> nxge_uninit_common_device (nxge_hw_list) $%p",
4857 		nxge_hw_list));
4858 
4859 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<= nxge_uninit_common_device"));
4860 }
4861 
4862 /*
4863  * Determines the number of ports from the niu_type or the platform type.
4864  * Returns the number of ports, or returns zero on failure.
4865  */
4866 
4867 int
4868 nxge_get_nports(p_nxge_t nxgep)
4869 {
4870 	int	nports = 0;
4871 
4872 	switch (nxgep->niu_type) {
4873 	case N2_NIU:
4874 	case NEPTUNE_2_10GF:
4875 		nports = 2;
4876 		break;
4877 	case NEPTUNE_4_1GC:
4878 	case NEPTUNE_2_10GF_2_1GC:
4879 	case NEPTUNE_1_10GF_3_1GC:
4880 	case NEPTUNE_1_1GC_1_10GF_2_1GC:
4881 		nports = 4;
4882 		break;
4883 	default:
4884 		switch (nxgep->platform_type) {
4885 		case P_NEPTUNE_NIU:
4886 		case P_NEPTUNE_ATLAS_2PORT:
4887 			nports = 2;
4888 			break;
4889 		case P_NEPTUNE_ATLAS_4PORT:
4890 		case P_NEPTUNE_MARAMBA_P0:
4891 		case P_NEPTUNE_MARAMBA_P1:
4892 			nports = 4;
4893 			break;
4894 		default:
4895 			break;
4896 		}
4897 		break;
4898 	}
4899 
4900 	return (nports);
4901 }
4902 
4903 /*
4904  * The following two functions are to support
4905  * PSARC/2007/453 MSI-X interrupt limit override.
4906  */
4907 static int
4908 nxge_create_msi_property(p_nxge_t nxgep)
4909 {
4910 	int	nmsi;
4911 	extern	int ncpus;
4912 
4913 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==>nxge_create_msi_property"));
4914 
4915 	switch (nxgep->mac.portmode) {
4916 	case PORT_10G_COPPER:
4917 	case PORT_10G_FIBER:
4918 		(void) ddi_prop_create(DDI_DEV_T_NONE, nxgep->dip,
4919 		    DDI_PROP_CANSLEEP, "#msix-request", NULL, 0);
4920 		/*
4921 		 * The maximum MSI-X requested will be 8.
4922 		 * If the # of CPUs is less than 8, we will reqeust
4923 		 * # MSI-X based on the # of CPUs.
4924 		 */
4925 		if (ncpus >= NXGE_MSIX_REQUEST_10G) {
4926 			nmsi = NXGE_MSIX_REQUEST_10G;
4927 		} else {
4928 			nmsi = ncpus;
4929 		}
4930 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4931 		    "==>nxge_create_msi_property(10G): exists 0x%x (nmsi %d)",
4932 		    ddi_prop_exists(DDI_DEV_T_NONE, nxgep->dip,
4933 		    DDI_PROP_CANSLEEP, "#msix-request"), nmsi));
4934 		break;
4935 
4936 	default:
4937 		nmsi = NXGE_MSIX_REQUEST_1G;
4938 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
4939 		    "==>nxge_create_msi_property(1G): exists 0x%x (nmsi %d)",
4940 		    ddi_prop_exists(DDI_DEV_T_NONE, nxgep->dip,
4941 		    DDI_PROP_CANSLEEP, "#msix-request"), nmsi));
4942 		break;
4943 	}
4944 
4945 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<==nxge_create_msi_property"));
4946 	return (nmsi);
4947 }
4948