xref: /titanic_41/usr/src/uts/common/io/bge/bge_impl.h (revision 0a44ef6d9afbfe052a7e975f55ea0d2954b62a82)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SYS_BGE_IMPL_H
28 #define	_SYS_BGE_IMPL_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
36 #include <sys/types.h>
37 #include <sys/stream.h>
38 #include <sys/strsun.h>
39 #include <sys/strsubr.h>
40 #include <sys/stat.h>
41 #include <sys/pci.h>
42 #include <sys/note.h>
43 #include <sys/modctl.h>
44 #include <sys/crc32.h>
45 #ifdef	__sparcv9
46 #include <v9/sys/membar.h>
47 #endif	/* __sparcv9 */
48 #include <sys/kstat.h>
49 #include <sys/ethernet.h>
50 #include <sys/vlan.h>
51 #include <sys/errno.h>
52 #include <sys/dlpi.h>
53 #include <sys/devops.h>
54 #include <sys/debug.h>
55 #include <sys/cyclic.h>
56 #include <sys/conf.h>
57 
58 #include <netinet/ip6.h>
59 
60 #include <inet/common.h>
61 #include <inet/ip.h>
62 #include <inet/mi.h>
63 #include <inet/nd.h>
64 #include <sys/pattr.h>
65 
66 #include <sys/dditypes.h>
67 #include <sys/ddi.h>
68 #include <sys/sunddi.h>
69 
70 #include <sys/ddifm.h>
71 #include <sys/fm/protocol.h>
72 #include <sys/fm/util.h>
73 #include <sys/fm/io/ddi.h>
74 
75 #include <sys/mac.h>
76 #include <sys/mac_ether.h>
77 
78 #ifdef __amd64
79 #include <sys/x86_archext.h>
80 #endif
81 
82 /*
83  * <sys/ethernet.h> *may* already have provided the typedef ether_addr_t;
84  * but of course C doesn't provide a way to check this directly.  So here
85  * we rely on the fact that the symbol ETHERTYPE_AT was added to the
86  * header file (as a #define, which we *can* test for) at the same time
87  * as the typedef for ether_addr_t ;-!
88  */
89 #ifndef	ETHERTYPE_AT
90 typedef uchar_t ether_addr_t[ETHERADDRL];
91 #endif	/* ETHERTYPE_AT */
92 
93 /*
94  * Reconfiguring the network devices requires the net_config privilege
95  * in Solaris 10+.
96  */
97 extern int secpolicy_net_config(const cred_t *, boolean_t);
98 
99 #include <sys/netlb.h>			/* originally from cassini	*/
100 #include <sys/miiregs.h>		/* by fjlite out of intel 	*/
101 
102 #include "bge.h"
103 #include "bge_hw.h"
104 
105 /*
106  * Compile-time feature switches ...
107  */
108 #define	BGE_DO_PPIO		0	/* peek/poke ioctls		*/
109 #define	BGE_RX_SOFTINT		0	/* softint per receive ring	*/
110 #define	BGE_CHOOSE_SEND_METHOD	0	/* send by copying only		*/
111 
112 /*
113  * NOTES:
114  *
115  * #defines:
116  *
117  *	BGE_PCI_CONFIG_RNUMBER and BGE_PCI_OPREGS_RNUMBER are the
118  *	register-set numbers to use for the config space registers
119  *	and the operating registers respectively.  On an OBP-based
120  *	machine, regset 0 refers to CONFIG space, and regset 1 will
121  *	be the operating registers in MEMORY space.  If an expansion
122  *	ROM is fitted, it may appear as a further register set.
123  *
124  *	BGE_DMA_MODE defines the mode (STREAMING/CONSISTENT) used
125  *	for the data buffers.  The descriptors are always set up
126  *	in CONSISTENT mode.
127  *
128  *	BGE_HEADROOM defines how much space we'll leave in allocated
129  *	mblks before the first valid data byte.  This should be chosen
130  *	to be 2 modulo 4, so that once the ethernet header (14 bytes)
131  *	has been stripped off, the packet data will be 4-byte aligned.
132  *	The remaining space can be used by upstream modules to prepend
133  *	any headers required.
134  */
135 
136 #define	BGE_PCI_CONFIG_RNUMBER	0
137 #define	BGE_PCI_OPREGS_RNUMBER	1
138 #define	BGE_DMA_MODE		DDI_DMA_STREAMING
139 #define	BGE_HEADROOM		34
140 
141 /*
142  *	BGE_HALFTICK is half the period of the cyclic callback (in
143  *	nanoseconds), chosen so that 0.5s <= cyclic period <= 1s.
144  *	Other time values are derived as odd multiples of this value
145  *	so that there's little chance of ambiguity w.r.t. which tick
146  *	a timeout expires on.
147  *
148  *	BGE_PHY_STABLE_TIME is the period for which the contents of the
149  *	PHY's status register must remain unchanging before we accept
150  *	that the link has come up.  [Sometimes the link comes up, only
151  *	to go down again within a short time as the autonegotiation
152  *	process cycles through various options before finding the best
153  *	compatible mode.  We don't want to report repeated link up/down
154  *	cycles, so we wait until we think it's stable.]
155  *
156  *	BGE_SERDES_STABLE_TIME is the analogous value for the SerDes
157  *	interface.  It's much shorter, 'cos the SerDes doesn't show
158  *	these effects as much as the copper PHY.
159  *
160  *	BGE_LINK_SETTLE_TIME is the period during which we regard link
161  *	up/down cycles as an normal event after resetting/reprogramming
162  *	the PHY.  During this time, link up/down messages are sent to
163  *	the log only, not the console.  At any other time, link change
164  *	events are regarded as unexpected and sent to both console & log.
165  *
166  *	These latter two values have no theoretical justification, but
167  *	are derived from observations and heuristics - the values below
168  *	just seem to work quite well.
169  */
170 
171 #define	BGE_HALFTICK		268435456LL		/* 2**28 ns!	*/
172 #define	BGE_CYCLIC_PERIOD	(2*BGE_HALFTICK)	/*    ~0.5s	*/
173 #define	BGE_SERDES_STABLE_TIME	(3*BGE_HALFTICK)	/*    ~0.8s	*/
174 #define	BGE_PHY_STABLE_TIME	(11*BGE_HALFTICK)	/*    ~3.0s	*/
175 #define	BGE_LINK_SETTLE_TIME	(111*BGE_HALFTICK)	/*   ~30.0s	*/
176 
177 /*
178  * Indices used to identify the different buffer rings internally
179  */
180 #define	BGE_STD_BUFF_RING	0
181 #define	BGE_JUMBO_BUFF_RING	1
182 #define	BGE_MINI_BUFF_RING	2
183 
184 /*
185  * Current implementation limits
186  */
187 #define	BGE_BUFF_RINGS_USED	2		/* std & jumbo ring	*/
188 						/* for now		*/
189 #define	BGE_RECV_RINGS_USED	16		/* up to 16 rtn rings	*/
190 						/* for now		*/
191 #define	BGE_SEND_RINGS_USED	4		/* up to 4 tx rings	*/
192 						/* for now		*/
193 #define	BGE_HASH_TABLE_SIZE	128		/* may be 256 later	*/
194 
195 /*
196  * Ring/buffer size parameters
197  *
198  * All of the (up to) 16 TX rings & and the corresponding buffers are the
199  * same size.
200  *
201  * Each of the (up to) 3 receive producer (aka buffer) rings is a different
202  * size and has different sized buffers associated with it too.
203  *
204  * The (up to) 16 receive return rings have no buffers associated with them.
205  * The number of slots per receive return ring must be 2048 if the mini
206  * ring is enabled, otherwise it may be 1024.  See Broadcom document
207  * 570X-PG102-R page 56.
208  *
209  * Note: only the 5700 supported external memory (and therefore the mini
210  * ring); the 5702/3/4 don't.  This driver doesn't support the original
211  * 5700, so we won't ever use the mini ring capability.
212  */
213 
214 #define	BGE_SEND_RINGS_DEFAULT		1
215 #define	BGE_RECV_RINGS_DEFAULT		1
216 
217 #define	BGE_SEND_BUFF_SIZE_DEFAULT	1536
218 #define	BGE_SEND_BUFF_SIZE_JUMBO	9022
219 #define	BGE_SEND_SLOTS_USED	512
220 
221 #define	BGE_STD_BUFF_SIZE	1536		/* 0x600		*/
222 #define	BGE_STD_SLOTS_USED	512
223 
224 #define	BGE_JUMBO_BUFF_SIZE	9022		/* 9k			*/
225 #define	BGE_JUMBO_SLOTS_USED	256
226 
227 #define	BGE_MINI_BUFF_SIZE	128		/* 64? 256?		*/
228 #define	BGE_MINI_SLOTS_USED	0		/* must be 0; see above	*/
229 
230 #define	BGE_RECV_BUFF_SIZE	0
231 #if	BGE_MINI_SLOTS_USED > 0
232 #define	BGE_RECV_SLOTS_USED	2048		/* required		*/
233 #else
234 #define	BGE_RECV_SLOTS_USED	1024		/* could be 2048 anyway	*/
235 #endif
236 
237 /*
238  * PCI type. PCI-Express or PCI/PCIX
239  */
240 #define	BGE_PCI		0
241 #define	BGE_PCI_E	1
242 #define	BGE_PCI_X	2
243 
244 /*
245  * Statistic type. There are two type of statistic:
246  * statistic block and statistic registers
247  */
248 #define	BGE_STAT_BLK	1
249 #define	BGE_STAT_REG	2
250 
251 /*
252  * MTU.for all chipsets ,the default is 1500 ,and some chipsets
253  * support 9k jumbo frames size
254  */
255 #define	BGE_DEFAULT_MTU		1500
256 #define	BGE_MAXIMUM_MTU		9000
257 
258 /*
259  * Pad the h/w defined status block (which can be up to 80 bytes long)
260  * to a power-of-two boundary
261  */
262 #define	BGE_STATUS_PADDING	(128 - sizeof (bge_status_t))
263 
264 /*
265  * On platforms which support DVMA, we can simply allocate one big piece
266  * of memory for all the Tx buffers and another for the Rx buffers, and
267  * then carve them up as required.  It doesn't matter if they aren't just
268  * one physically contiguous piece each, because both the CPU *and* the
269  * I/O device can see them *as though they were*.
270  *
271  * However, if only physically-addressed DMA is possible, this doesn't
272  * work; we can't expect to get enough contiguously-addressed memory for
273  * all the buffers of each type, so in this case we request a number of
274  * smaller pieces, each still large enough for several buffers but small
275  * enough to fit within "an I/O page" (e.g. 64K).
276  *
277  * The #define below specifies how many pieces of memory are to be used;
278  * 16 has been shown to work on an i86pc architecture but this could be
279  * different on other non-DVMA platforms ...
280  */
281 #ifdef	_DMA_USES_VIRTADDR
282 #define	BGE_SPLIT		1		/* no split required	*/
283 #else
284 #if ((BGE_BUFF_RINGS_USED > 1) || (BGE_SEND_RINGS_USED > 1) || \
285 	(BGE_RECV_RINGS_USED > 1))
286 #define	BGE_SPLIT		128		/* split 128 ways	*/
287 #else
288 #define	BGE_SPLIT		16		/* split 16 ways	*/
289 #endif
290 #endif	/* _DMA_USES_VIRTADDR */
291 
292 #define	BGE_RECV_RINGS_SPLIT	(BGE_RECV_RINGS_MAX + 1)
293 
294 /*
295  * MONOLITHIC allocation is a hardware debugging aid, so that a logic
296  * analyser can more easily be programmed with the (single) range of
297  * memory addresses that the chip will then use for DMA.
298  *
299  * It's incompatible with non-DVMA architectures that require BGE_SPLIT
300  * to be set greater than 1.  Here, it overrides BGE_SPLIT, so the code
301  * will compile correctly but will *probably* fail at runtime because it
302  * simply won't be able to allocate a big enough piece of memory ...
303  */
304 #define	BGE_MONOLITHIC	0
305 #if	BGE_MONOLITHIC
306 #undef	BGE_SPLIT
307 #define	BGE_SPLIT	1		/* must be 1 if MONOLITHIC	*/
308 #endif	/* BGE_MONOLITHIC */
309 
310 /*
311  * STREAMS parameters
312  */
313 #define	BGE_IDNUM		0		/* zero seems to work	*/
314 #define	BGE_LOWAT		(256)
315 #define	BGE_HIWAT		(256*1024)
316 
317 
318 /*
319  * Basic data types, for clarity in distinguishing 'numbers'
320  * used for different purposes ...
321  *
322  * A <bge_regno_t> is a register 'address' (offset) in any one of
323  * various address spaces (PCI config space, PCI memory-mapped I/O
324  * register space, MII registers, etc).  None of these exceeds 64K,
325  * so we could use a 16-bit representation but pointer-sized objects
326  * are more "natural" in most architectures; they seem to be handled
327  * more efficiently on SPARC and no worse on x86.
328  *
329  * BGE_REGNO_NONE represents the non-existent value in this space.
330  */
331 typedef uintptr_t bge_regno_t;			/* register # (offset)	*/
332 #define	BGE_REGNO_NONE		(~(uintptr_t)0u)
333 
334 /*
335  * Describes one chunk of allocated DMA-able memory
336  *
337  * In some cases, this is a single chunk as allocated from the system;
338  * but we also use this structure to represent slices carved off such
339  * a chunk.  Even when we don't really need all the information, we
340  * use this structure as a convenient way of correlating the various
341  * ways of looking at a piece of memory (kernel VA, IO space DVMA,
342  * handle+offset, etc).
343  */
344 typedef struct {
345 	ddi_acc_handle_t	acc_hdl;	/* handle for memory	*/
346 	void			*mem_va;	/* CPU VA of memory	*/
347 	uint32_t		nslots;		/* number of slots	*/
348 	uint32_t		size;		/* size per slot	*/
349 	size_t			alength;	/* allocated size	*/
350 						/* >= product of above	*/
351 
352 	ddi_dma_handle_t	dma_hdl;	/* DMA handle		*/
353 	offset_t		offset;		/* relative to handle	*/
354 	ddi_dma_cookie_t	cookie;		/* associated cookie	*/
355 	uint32_t		ncookies;	/* must be 1		*/
356 	uint32_t		token;		/* arbitrary identifier	*/
357 } dma_area_t;					/* 0x50 (80) bytes	*/
358 
359 /*
360  * Software version of the Receive Buffer Descriptor
361  * There's one of these for each receive buffer (up to 256/512/1024 per ring).
362  */
363 typedef struct sw_rbd {
364 	dma_area_t		pbuf;		/* (const) related	*/
365 						/* buffer area		*/
366 } sw_rbd_t;					/* 0x50 (80) bytes	*/
367 
368 /*
369  * Software Receive Buffer (Producer) Ring Control Block
370  * There's one of these for each receiver producer ring (up to 3),
371  * but each holds buffers of a different size.
372  */
373 typedef struct buff_ring {
374 	dma_area_t		desc;		/* (const) related h/w	*/
375 						/* descriptor area	*/
376 	dma_area_t		buf[BGE_SPLIT];	/* (const) related	*/
377 						/* buffer area(s)	*/
378 	bge_rcb_t		hw_rcb;		/* (const) image of h/w	*/
379 						/* RCB, and used to	*/
380 	struct bge		*bgep;		/* (const) containing	*/
381 						/* driver soft state	*/
382 						/* initialise same	*/
383 	volatile uint16_t	*cons_index_p;	/* (const) ptr to h/w	*/
384 						/* "consumer index"	*/
385 						/* (in status block)	*/
386 
387 	/*
388 	 * The rf_lock must be held when updating the h/w producer index
389 	 * mailbox register (*chip_mbox_reg), or the s/w producer index
390 	 * (rf_next).
391 	 */
392 	bge_regno_t		chip_mbx_reg;	/* (const) h/w producer	*/
393 						/* index mailbox offset	*/
394 	kmutex_t		rf_lock[1];	/* serialize refill	*/
395 	uint64_t		rf_next;	/* next slot to refill	*/
396 						/* ("producer index")	*/
397 
398 	sw_rbd_t		*sw_rbds; 	/* software descriptors	*/
399 	void			*spare[4];	/* padding		*/
400 } buff_ring_t;					/* 0x100 (256) bytes	*/
401 
402 /*
403  * Software Receive (Return) Ring Control Block
404  * There's one of these for each receiver return ring (up to 16).
405  */
406 typedef struct recv_ring {
407 	/*
408 	 * The elements flagged (const) in the comments below are
409 	 * set up once during initialiation and thereafter unchanged.
410 	 */
411 	dma_area_t		desc;		/* (const) related h/w	*/
412 						/* descriptor area	*/
413 	bge_rcb_t		hw_rcb;		/* (const) image of h/w	*/
414 						/* RCB, and used to	*/
415 						/* initialise same	*/
416 	struct bge		*bgep;		/* (const) containing	*/
417 						/* driver soft state	*/
418 	ddi_softintr_t		rx_softint;	/* (const) per-ring	*/
419 						/* receive callback	*/
420 	volatile uint16_t	*prod_index_p;	/* (const) ptr to h/w	*/
421 						/* "producer index"	*/
422 						/* (in status block)	*/
423 
424 	/*
425 	 * The rx_lock must be held when updating the h/w consumer index
426 	 * mailbox register (*chip_mbox_reg), or the s/w consumer index
427 	 * (rx_next).
428 	 */
429 	bge_regno_t		chip_mbx_reg;	/* (const) h/w consumer	*/
430 						/* index mailbox offset	*/
431 	kmutex_t		rx_lock[1];	/* serialize receive	*/
432 	uint64_t		rx_next;	/* next slot to examine	*/
433 	mac_resource_handle_t	handle;		/* per ring cookie	*/
434 						/* ("producer index")	*/
435 } recv_ring_t;					/* 0x90 (144) bytes	*/
436 
437 /*
438  * Software version of the Send Buffer Descriptor
439  * There's one of these for each send buffer (up to 512 per ring)
440  */
441 typedef struct sw_sbd {
442 	dma_area_t		desc;		/* (const) related h/w	*/
443 						/* descriptor area	*/
444 	dma_area_t		pbuf;		/* (const) related	*/
445 						/* buffer area		*/
446 
447 	void			(*recycle)(struct sw_sbd *);
448 	uint64_t		flags;
449 
450 	mblk_t			*mp;		/* related mblk, if any	*/
451 	ddi_dma_handle_t	mblk_hdl;	/* handle for same	*/
452 } sw_sbd_t;					/* 0xc0 (192) bytes	*/
453 
454 #define	SW_SBD_FLAG_BUSY	0x0000000000000001
455 #define	SW_SBD_FLAG_PBUF	0x0000000000000002
456 #define	SW_SBD_FLAG_BIND	0x0000000000000004
457 
458 /*
459  * Software Send Ring Control Block
460  * There's one of these for each of (up to) 16 send rings
461  */
462 typedef struct send_ring {
463 	/*
464 	 * The elements flagged (const) in the comments below are
465 	 * set up once during initialiation and thereafter unchanged.
466 	 */
467 	dma_area_t		desc;		/* (const) related h/w	*/
468 						/* descriptor area	*/
469 	dma_area_t		buf[BGE_SPLIT];	/* (const) related	*/
470 						/* buffer area(s)	*/
471 	bge_rcb_t		hw_rcb;		/* (const) image of h/w	*/
472 						/* RCB, and used to	*/
473 						/* initialise same	*/
474 	struct bge		*bgep;		/* (const) containing	*/
475 						/* driver soft state	*/
476 	volatile uint16_t	*cons_index_p;	/* (const) ptr to h/w	*/
477 						/* "consumer index"	*/
478 						/* (in status block)	*/
479 
480 	bge_regno_t		chip_mbx_reg;	/* (const) h/w producer	*/
481 						/* index mailbox offset	*/
482 	kmutex_t		tx_lock[1];	/* serialize h/w update	*/
483 						/* ("producer index")	*/
484 	uint64_t		tx_next;	/* next slot to use	*/
485 	uint64_t		tx_flow;	/* # concurrent sends	*/
486 
487 	/*
488 	 * These counters/indexes are manipulated in the transmit
489 	 * path using atomics rather than mutexes for speed
490 	 */
491 	uint64_t		tx_free;	/* # of slots available	*/
492 
493 	/*
494 	 * The tc_lock must be held while manipulating the s/w consumer
495 	 * index (tc_next).
496 	 */
497 	kmutex_t		tc_lock[1];	/* serialize recycle	*/
498 	uint64_t		tc_next;	/* next slot to recycle	*/
499 						/* ("consumer index")	*/
500 
501 	sw_sbd_t		*sw_sbds; 	/* software descriptors	*/
502 	uint64_t		mac_resid;	/* special per resource id */
503 } send_ring_t;					/* 0x100 (256) bytes	*/
504 
505 typedef struct {
506 	ether_addr_t		addr;		/* in canonical form	*/
507 	uint8_t			spare;
508 	boolean_t		set;		/* B_TRUE => valid	*/
509 } bge_mac_addr_t;
510 
511 /*
512  * The original 5700/01 supported only SEEPROMs.  Later chips (5702+)
513  * support both SEEPROMs (using the same 2-wire CLK/DATA interface for
514  * the hardware and a backwards-compatible software access method), and
515  * buffered or unbuffered FLASH devices connected to the 4-wire SPI bus
516  * and using a new software access method.
517  *
518  * The access methods for SEEPROM and Flash are generally similar, with
519  * the chip handling the serialisation/deserialisation and handshaking,
520  * but the registers used are different, as are a few details of the
521  * protocol, and the timing, so we have to determine which (if any) is
522  * fitted.
523  *
524  * The value UNKNOWN means just that; we haven't yet tried to determine
525  * the device type.
526  *
527  * The value NONE can indicate either that a real and definite absence of
528  * any NVmem has been detected, or that there may be NVmem but we can't
529  * determine its type, perhaps because the NVconfig pins on the chip have
530  * been wired up incorrectly.  In either case, access to the NVmem (if any)
531  * is not supported.
532  */
533 enum bge_nvmem_type {
534 	BGE_NVTYPE_NONE = -1,			/* (or indeterminable)	*/
535 	BGE_NVTYPE_UNKNOWN,			/* not yet checked	*/
536 	BGE_NVTYPE_SEEPROM,			/* BCM5700/5701 only	*/
537 	BGE_NVTYPE_LEGACY_SEEPROM,		/* 5702+		*/
538 	BGE_NVTYPE_UNBUFFERED_FLASH,		/* 5702+		*/
539 	BGE_NVTYPE_BUFFERED_FLASH		/* 5702+		*/
540 };
541 
542 /*
543  * Describes the characteristics of a specific chip
544  *
545  * Note: elements from <businfo> to <latency> are filled in by during
546  * the first phase of chip initialisation (see bge_chip_cfg_init()).
547  * The remaining ones are determined just after the first RESET, in
548  * bge_poll_firmware().  Thereafter, the entire structure is readonly.
549  */
550 typedef struct {
551 	uint32_t		asic_rev;	/* masked from MHCR	*/
552 	uint32_t		businfo;	/* from private reg	*/
553 	uint16_t		command;	/* saved during attach	*/
554 
555 	uint16_t		vendor;		/* vendor-id		*/
556 	uint16_t		device;		/* device-id		*/
557 	uint16_t		subven;		/* subsystem-vendor-id	*/
558 	uint16_t		subdev;		/* subsystem-id		*/
559 	uint8_t			revision;	/* revision-id		*/
560 	uint8_t			clsize;		/* cache-line-size	*/
561 	uint8_t			latency;	/* latency-timer	*/
562 
563 	uint8_t			flags;
564 	uint16_t		chip_label;	/* numeric part only	*/
565 						/* (e.g. 5703/5794/etc)	*/
566 	uint32_t		mbuf_base;	/* Mbuf pool parameters */
567 	uint32_t		mbuf_length;	/* depend on chiptype	*/
568 	uint32_t		pci_type;
569 	uint32_t		statistic_type;
570 	uint32_t		bge_dma_rwctrl;
571 	uint32_t		bge_mlcr_default;
572 	uint32_t		recv_slots;	/* receive ring size    */
573 	enum bge_nvmem_type	nvtype;		/* SEEPROM or Flash	*/
574 
575 	uint16_t		jumbo_slots;
576 	uint16_t		ethmax_size;
577 	uint16_t		snd_buff_size;
578 	uint16_t		recv_jumbo_size;
579 	uint16_t		std_buf_size;
580 	uint32_t		mbuf_hi_water;
581 	uint32_t		mbuf_lo_water_rmac;
582 	uint32_t		mbuf_lo_water_rdma;
583 
584 	uint64_t		rx_rings;	/* from bge.conf	*/
585 	uint64_t		tx_rings;	/* from bge.conf	*/
586 	uint64_t		default_mtu;	/* from bge.conf	*/
587 
588 	uint64_t		hw_mac_addr;	/* from chip register	*/
589 	bge_mac_addr_t		vendor_addr;	/* transform of same	*/
590 	boolean_t		msi_enabled;	/* default to true */
591 } chip_id_t;
592 
593 #define	CHIP_FLAG_SUPPORTED	0x80
594 #define	CHIP_FLAG_SERDES	0x40
595 #define	CHIP_FLAG_PARTIAL_CSUM	0x20
596 #define	CHIP_FLAG_NO_JUMBO	0x1
597 
598 /*
599  * Collection of physical-layer functions to:
600  *	(re)initialise the physical layer
601  *	update it to match software settings
602  *	check for link status change
603  */
604 typedef struct {
605 	int			(*phys_restart)(struct bge *, boolean_t);
606 	int			(*phys_update)(struct bge *);
607 	boolean_t		(*phys_check)(struct bge *, boolean_t);
608 } phys_ops_t;
609 
610 /*
611  * Named Data (ND) Parameter Management Structure
612  */
613 typedef struct {
614 	int			ndp_info;
615 	int			ndp_min;
616 	int			ndp_max;
617 	int			ndp_val;
618 	char			*ndp_name;
619 } nd_param_t;					/* 0x18 (24) bytes	*/
620 
621 /*
622  * NDD parameter indexes, divided into:
623  *
624  *	read-only parameters describing the hardware's capabilities
625  *	read-write parameters controlling the advertised capabilities
626  *	read-only parameters describing the partner's capabilities
627  *	read-only parameters describing the link state
628  */
629 enum {
630 	PARAM_AUTONEG_CAP,
631 	PARAM_PAUSE_CAP,
632 	PARAM_ASYM_PAUSE_CAP,
633 	PARAM_1000FDX_CAP,
634 	PARAM_1000HDX_CAP,
635 	PARAM_100T4_CAP,
636 	PARAM_100FDX_CAP,
637 	PARAM_100HDX_CAP,
638 	PARAM_10FDX_CAP,
639 	PARAM_10HDX_CAP,
640 
641 	PARAM_ADV_AUTONEG_CAP,
642 	PARAM_ADV_PAUSE_CAP,
643 	PARAM_ADV_ASYM_PAUSE_CAP,
644 	PARAM_ADV_1000FDX_CAP,
645 	PARAM_ADV_1000HDX_CAP,
646 	PARAM_ADV_100T4_CAP,
647 	PARAM_ADV_100FDX_CAP,
648 	PARAM_ADV_100HDX_CAP,
649 	PARAM_ADV_10FDX_CAP,
650 	PARAM_ADV_10HDX_CAP,
651 
652 	PARAM_LP_AUTONEG_CAP,
653 	PARAM_LP_PAUSE_CAP,
654 	PARAM_LP_ASYM_PAUSE_CAP,
655 	PARAM_LP_1000FDX_CAP,
656 	PARAM_LP_1000HDX_CAP,
657 	PARAM_LP_100T4_CAP,
658 	PARAM_LP_100FDX_CAP,
659 	PARAM_LP_100HDX_CAP,
660 	PARAM_LP_10FDX_CAP,
661 	PARAM_LP_10HDX_CAP,
662 
663 	PARAM_LINK_STATUS,
664 	PARAM_LINK_SPEED,
665 	PARAM_LINK_DUPLEX,
666 
667 	PARAM_LINK_AUTONEG,
668 	PARAM_LINK_RX_PAUSE,
669 	PARAM_LINK_TX_PAUSE,
670 
671 	PARAM_LOOP_MODE,
672 	PARAM_MSI_CNT,
673 
674 	PARAM_COUNT
675 };
676 
677 /*
678  * Actual state of the BCM570x chip
679  */
680 enum bge_chip_state {
681 	BGE_CHIP_FAULT = -2,			/* fault, need reset	*/
682 	BGE_CHIP_ERROR,				/* error, want reset	*/
683 	BGE_CHIP_INITIAL,			/* Initial state only	*/
684 	BGE_CHIP_RESET,				/* reset, need init	*/
685 	BGE_CHIP_STOPPED,			/* Tx/Rx stopped	*/
686 	BGE_CHIP_RUNNING			/* with interrupts	*/
687 };
688 
689 enum bge_mac_state {
690 	BGE_MAC_STOPPED = 0,
691 	BGE_MAC_STARTED
692 };
693 
694 /*
695  * (Internal) return values from ioctl subroutines
696  */
697 enum ioc_reply {
698 	IOC_INVAL = -1,				/* bad, NAK with EINVAL	*/
699 	IOC_DONE,				/* OK, reply sent	*/
700 	IOC_ACK,				/* OK, just send ACK	*/
701 	IOC_REPLY,				/* OK, just send reply	*/
702 	IOC_RESTART_ACK,			/* OK, restart & ACK	*/
703 	IOC_RESTART_REPLY			/* OK, restart & reply	*/
704 };
705 
706 /*
707  * (Internal) return values from send_msg subroutines
708  */
709 enum send_status {
710 	SEND_FAIL = -1,				/* Not OK		*/
711 	SEND_KEEP,				/* OK, msg queued	*/
712 	SEND_FREE				/* OK, free msg		*/
713 };
714 
715 /*
716  * (Internal) enumeration of this driver's kstats
717  */
718 enum {
719 	BGE_KSTAT_RAW = 0,
720 	BGE_KSTAT_STATS,
721 	BGE_KSTAT_PARAMS,
722 	BGE_KSTAT_CHIPID,
723 	BGE_KSTAT_DRIVER,
724 	BGE_KSTAT_PHYS,
725 	BGE_KSTAT_MII,
726 
727 	BGE_KSTAT_COUNT
728 };
729 
730 #define	BGE_MAX_RESOURCES 255
731 
732 /*
733  * Per-instance soft-state structure
734  */
735 typedef struct bge {
736 	/*
737 	 * These fields are set by attach() and unchanged thereafter ...
738 	 */
739 	dev_info_t		*devinfo;	/* device instance	*/
740 	mac_handle_t		mh;		/* mac module handle	*/
741 	ddi_acc_handle_t	cfg_handle;	/* DDI I/O handle	*/
742 	ddi_acc_handle_t	io_handle;	/* DDI I/O handle	*/
743 	void			*io_regs;	/* mapped registers	*/
744 	cyclic_id_t		cyclic_id;	/* cyclic callback	*/
745 	ddi_softintr_t		factotum_id;	/* factotum callback	*/
746 	ddi_softintr_t		resched_id;	/* reschedule callback	*/
747 
748 	ddi_intr_handle_t 	*htable;	/* For array of interrupts */
749 	int			intr_type;	/* What type of interrupt */
750 	int			intr_cnt;	/* # of intrs count returned */
751 	uint_t			intr_pri;	/* Interrupt priority	*/
752 	int			intr_cap;	/* Interrupt capabilities */
753 	uint32_t		progress;	/* attach tracking	*/
754 	uint32_t		debug;		/* per-instance debug	*/
755 	chip_id_t		chipid;
756 	const phys_ops_t	*physops;
757 	char			ifname[8];	/* "bge0" ... "bge999"	*/
758 
759 	int			fm_capabilities;	/* FMA capabilities */
760 
761 	/*
762 	 * These structures describe the blocks of memory allocated during
763 	 * attach().  They remain unchanged thereafter, although the memory
764 	 * they describe is carved up into various separate regions and may
765 	 * therefore be described by other structures as well.
766 	 */
767 	dma_area_t		tx_desc;	/* transmit descriptors	*/
768 	dma_area_t		rx_desc[BGE_RECV_RINGS_SPLIT];
769 						/* receive descriptors	*/
770 	dma_area_t		tx_buff[BGE_SPLIT];
771 	dma_area_t		rx_buff[BGE_SPLIT];
772 
773 	/*
774 	 * The memory described by the <dma_area> structures above
775 	 * is carved up into various pieces, which are described by
776 	 * the structures below.
777 	 */
778 	dma_area_t		statistics;	/* describes hardware	*/
779 						/* statistics area	*/
780 	dma_area_t		status_block;	/* describes hardware	*/
781 						/* status block		*/
782 	/*
783 	 * For the BCM5705/5788/5721/5751/5752/5714 and 5715,
784 	 * the statistic block is not available,the statistic counter must
785 	 * be gotten from statistic registers.And bge_statistics_reg_t record
786 	 * the statistic registers value
787 	 */
788 	bge_statistics_reg_t	stat_val;
789 
790 	/*
791 	 * Runtime read-write data starts here ...
792 	 *
793 	 * 3 Buffer Rings (std/jumbo/mini)
794 	 * 16 Receive (Return) Rings
795 	 * 16 Send Rings
796 	 *
797 	 * Note: they're not necessarily all used.
798 	 */
799 	buff_ring_t		buff[BGE_BUFF_RINGS_MAX]; /*  3*0x0100	*/
800 	recv_ring_t		recv[BGE_RECV_RINGS_MAX]; /* 16*0x0090	*/
801 	send_ring_t		send[BGE_SEND_RINGS_MAX]; /* 16*0x0100	*/
802 
803 	/*
804 	 * Locks:
805 	 *
806 	 * Each buffer ring contains its own <rf_lock> which regulates
807 	 *	ring refilling.
808 	 *
809 	 * Each receive (return) ring contains its own <rx_lock> which
810 	 *	protects the critical cyclic counters etc.
811 	 *
812 	 * Each send ring contains two locks: <tx_lock> for the send-path
813 	 * 	protocol data and <tc_lock> for send-buffer recycling.
814 	 *
815 	 * Finally <genlock> is a general lock, protecting most other
816 	 *	operational data in the state structure and chip register
817 	 *	accesses.  It is acquired by the interrupt handler and
818 	 *	most "mode-control" routines.
819 	 *
820 	 * Any of the locks can be acquired singly, but where multiple
821 	 * locks are acquired, they *must* be in the order:
822 	 *
823 	 *	genlock >>> rx_lock >>> rf_lock >>> tx_lock >>> tc_lock.
824 	 *
825 	 * and within any one class of lock the rings must be locked in
826 	 * ascending order (send[0].tc_lock >>> send[1].tc_lock), etc.
827 	 *
828 	 * Note: actually I don't believe there's any need to acquire
829 	 * locks on multiple rings, or even locks of all these classes
830 	 * concurrently; but I've set out the above order so there is a
831 	 * clear definition of lock hierarchy in case it's ever needed.
832 	 *
833 	 * Note: the combinations of locks that are actually held
834 	 * concurrently are:
835 	 *
836 	 *	genlock >>>			(bge_chip_interrupt())
837 	 *		rx_lock[i] >>>		(bge_receive())
838 	 *			rf_lock[n]	(bge_refill())
839 	 *		tc_lock[i]		(bge_recycle())
840 	 */
841 	kmutex_t		genlock[1];
842 	krwlock_t		errlock[1];
843 	kmutex_t		softintrlock[1];
844 
845 	/*
846 	 * Current Ethernet addresses and multicast hash (bitmap) and
847 	 * refcount tables, protected by <genlock>
848 	 */
849 	bge_mac_addr_t		curr_addr[MAC_ADDRESS_REGS_MAX];
850 	uint32_t		mcast_hash[BGE_HASH_TABLE_SIZE/32];
851 	uint8_t			mcast_refs[BGE_HASH_TABLE_SIZE];
852 	uint32_t		unicst_addr_total; /* total unicst addresses */
853 	uint32_t		unicst_addr_avail;
854 					/* unused unicst addr slots */
855 
856 	/*
857 	 * Link state data (protected by genlock)
858 	 */
859 	const char		*link_mode_msg;	/* describes link mode	*/
860 	const char		*link_down_msg;	/* reason for link DOWN	*/
861 	const char		*link_up_msg;	/* comment on link UP	*/
862 
863 	link_state_t		link_state;
864 
865 	/*
866 	 * Physical layer (PHY/SerDes) state data (protected by genlock)
867 	 */
868 	hrtime_t		phys_write_time; /* when last written	*/
869 	hrtime_t		phys_event_time; /* when status changed	*/
870 	hrtime_t		phys_delta_time; /* time to settle	*/
871 
872 	/*
873 	 * Physical layer: copper only
874 	 */
875 	bge_regno_t		phy_mii_addr;	/* should be (const) 1!	*/
876 	uint16_t		phy_gen_status;
877 	uint16_t		phy_aux_status;
878 
879 	/*
880 	 * Physical layer: serdes only
881 	 */
882 	uint32_t		serdes_status;
883 	uint32_t		serdes_advert;
884 	uint32_t		serdes_lpadv;
885 
886 	/*
887 	 * Driver kstats, protected by <genlock> where necessary
888 	 */
889 	kstat_t			*bge_kstats[BGE_KSTAT_COUNT];
890 
891 	/*
892 	 * Miscellaneous operating variables (protected by genlock)
893 	 */
894 	uint64_t		chip_resets;	/* # of chip RESETs	*/
895 	uint64_t		missed_dmas;	/* # of missed DMAs	*/
896 	enum bge_mac_state	bge_mac_state;	/* definitions above	*/
897 	enum bge_chip_state	bge_chip_state;	/* definitions above	*/
898 	boolean_t		send_hw_tcp_csum;
899 	boolean_t		recv_hw_tcp_csum;
900 	boolean_t		promisc;
901 
902 	/*
903 	 * Miscellaneous operating variables (not synchronised)
904 	 */
905 	uint32_t		watchdog;	/* watches for Tx stall	*/
906 	boolean_t		bge_intr_running;
907 	boolean_t		bge_dma_error;
908 	boolean_t		resched_needed;
909 	boolean_t		resched_running;
910 	uint32_t		factotum_flag;	/* softint pending	*/
911 	uintptr_t		pagemask;
912 
913 	/*
914 	 * NDD parameters (protected by genlock)
915 	 */
916 	caddr_t			nd_data_p;
917 	nd_param_t		nd_params[PARAM_COUNT];
918 
919 	uintptr_t		resmap[BGE_MAX_RESOURCES];
920 
921 	/*
922 	 * A flag to prevent excessive config space accesses
923 	 * on platforms having BCM5714C/15C
924 	 */
925 	boolean_t		lastWriteZeroData;
926 
927 	/*
928 	 * Spare space, plus guard element used to check data integrity
929 	 */
930 	uint64_t		spare[5];
931 	uint64_t		bge_guard;
932 
933 	/*
934 	 * Receive rules configure
935 	 */
936 	bge_recv_rule_t	recv_rules[RECV_RULES_NUM_MAX];
937 
938 #ifdef BGE_IPMI_ASF
939 	boolean_t		asf_enabled;
940 	boolean_t		asf_wordswapped;
941 	boolean_t		asf_newhandshake;
942 	boolean_t		asf_pseudostop;
943 
944 	uint32_t		asf_status;
945 	timeout_id_t		asf_timeout_id;
946 #endif
947 } bge_t;
948 
949 /*
950  * 'Progress' bit flags ...
951  */
952 #define	PROGRESS_CFG		0x0001	/* config space mapped		*/
953 #define	PROGRESS_REGS		0x0002	/* registers mapped		*/
954 #define	PROGRESS_BUFS		0x0004	/* ring buffers allocated	*/
955 #define	PROGRESS_RESCHED	0x0010	/* resched softint registered	*/
956 #define	PROGRESS_FACTOTUM	0x0020	/* factotum softint registered	*/
957 #define	PROGRESS_HWINT		0x0040	/* h/w interrupt registered	*/
958 					/* and mutexen initialised	*/
959 #define	PROGRESS_INTR		0x0080	/* Intrs enabled		*/
960 #define	PROGRESS_PHY		0x0100	/* PHY initialised		*/
961 #define	PROGRESS_NDD		0x1000	/* NDD parameters set up	*/
962 #define	PROGRESS_KSTATS		0x2000	/* kstats created		*/
963 #define	PROGRESS_READY		0x8000	/* ready for work		*/
964 
965 /*
966  * Shorthand for the NDD parameters
967  */
968 #define	param_adv_autoneg	nd_params[PARAM_ADV_AUTONEG_CAP].ndp_val
969 #define	param_adv_pause		nd_params[PARAM_ADV_PAUSE_CAP].ndp_val
970 #define	param_adv_asym_pause	nd_params[PARAM_ADV_ASYM_PAUSE_CAP].ndp_val
971 #define	param_adv_1000fdx	nd_params[PARAM_ADV_1000FDX_CAP].ndp_val
972 #define	param_adv_1000hdx	nd_params[PARAM_ADV_1000HDX_CAP].ndp_val
973 #define	param_adv_100fdx	nd_params[PARAM_ADV_100FDX_CAP].ndp_val
974 #define	param_adv_100hdx	nd_params[PARAM_ADV_100HDX_CAP].ndp_val
975 #define	param_adv_10fdx		nd_params[PARAM_ADV_10FDX_CAP].ndp_val
976 #define	param_adv_10hdx		nd_params[PARAM_ADV_10HDX_CAP].ndp_val
977 
978 #define	param_lp_autoneg	nd_params[PARAM_LP_AUTONEG_CAP].ndp_val
979 #define	param_lp_pause		nd_params[PARAM_LP_PAUSE_CAP].ndp_val
980 #define	param_lp_asym_pause	nd_params[PARAM_LP_ASYM_PAUSE_CAP].ndp_val
981 #define	param_lp_1000fdx	nd_params[PARAM_LP_1000FDX_CAP].ndp_val
982 #define	param_lp_1000hdx	nd_params[PARAM_LP_1000HDX_CAP].ndp_val
983 #define	param_lp_100fdx		nd_params[PARAM_LP_100FDX_CAP].ndp_val
984 #define	param_lp_100hdx		nd_params[PARAM_LP_100HDX_CAP].ndp_val
985 #define	param_lp_10fdx		nd_params[PARAM_LP_10FDX_CAP].ndp_val
986 #define	param_lp_10hdx		nd_params[PARAM_LP_10HDX_CAP].ndp_val
987 
988 #define	param_link_up		nd_params[PARAM_LINK_STATUS].ndp_val
989 #define	param_link_speed	nd_params[PARAM_LINK_SPEED].ndp_val
990 #define	param_link_duplex	nd_params[PARAM_LINK_DUPLEX].ndp_val
991 
992 #define	param_link_autoneg	nd_params[PARAM_LINK_AUTONEG].ndp_val
993 #define	param_link_rx_pause	nd_params[PARAM_LINK_RX_PAUSE].ndp_val
994 #define	param_link_tx_pause	nd_params[PARAM_LINK_TX_PAUSE].ndp_val
995 
996 #define	param_loop_mode		nd_params[PARAM_LOOP_MODE].ndp_val
997 #define	param_msi_cnt		nd_params[PARAM_MSI_CNT].ndp_val
998 
999 /*
1000  * Sync a DMA area described by a dma_area_t
1001  */
1002 #define	DMA_SYNC(area, flag)	((void) ddi_dma_sync((area).dma_hdl,	\
1003 				    (area).offset, (area).alength, (flag)))
1004 
1005 /*
1006  * Find the (kernel virtual) address of block of memory
1007  * described by a dma_area_t
1008  */
1009 #define	DMA_VPTR(area)		((area).mem_va)
1010 
1011 /*
1012  * Zero a block of memory described by a dma_area_t
1013  */
1014 #define	DMA_ZERO(area)		bzero(DMA_VPTR(area), (area).alength)
1015 
1016 /*
1017  * Next value of a cyclic index
1018  */
1019 #define	NEXT(index, limit)	((index)+1 < (limit) ? (index)+1 : 0);
1020 
1021 /*
1022  * Property lookups
1023  */
1024 #define	BGE_PROP_EXISTS(d, n)	ddi_prop_exists(DDI_DEV_T_ANY, (d),	\
1025 					DDI_PROP_DONTPASS, (n))
1026 #define	BGE_PROP_GET_INT(d, n)	ddi_prop_get_int(DDI_DEV_T_ANY, (d),	\
1027 					DDI_PROP_DONTPASS, (n), -1)
1028 
1029 /*
1030  * Copy an ethernet address
1031  */
1032 #define	ethaddr_copy(src, dst)	bcopy((src), (dst), ETHERADDRL)
1033 
1034 /*
1035  * Endian swap
1036  */
1037 /* BEGIN CSTYLED */
1038 #define BGE_BSWAP_32(x)		((((x) & 0xff000000) >> 24)  |		\
1039                                  (((x) & 0x00ff0000) >> 8)   |		\
1040                                  (((x) & 0x0000ff00) << 8)   |		\
1041                                  (((x) & 0x000000ff) << 24))
1042 /* END CSTYLED */
1043 
1044 /*
1045  * Marker value placed at the end of the driver's state
1046  */
1047 #define	BGE_GUARD		0x1919306009031802
1048 
1049 /*
1050  * Bit flags in the 'debug' word ...
1051  */
1052 #define	BGE_DBG_STOP		0x00000001	/* early debug_enter()	*/
1053 #define	BGE_DBG_TRACE		0x00000002	/* general flow tracing	*/
1054 
1055 #define	BGE_DBG_REGS		0x00000010	/* low-level accesses	*/
1056 #define	BGE_DBG_MII		0x00000020	/* low-level MII access	*/
1057 #define	BGE_DBG_SEEPROM		0x00000040	/* low-level SEEPROM IO	*/
1058 #define	BGE_DBG_CHIP		0x00000080	/* low(ish)-level code	*/
1059 
1060 #define	BGE_DBG_RECV		0x00000100	/* receive-side code	*/
1061 #define	BGE_DBG_SEND		0x00000200	/* packet-send code	*/
1062 
1063 #define	BGE_DBG_INT		0x00001000	/* interrupt handler	*/
1064 #define	BGE_DBG_FACT		0x00002000	/* factotum (softint)	*/
1065 
1066 #define	BGE_DBG_PHY		0x00010000	/* Copper PHY code	*/
1067 #define	BGE_DBG_SERDES		0x00020000	/* SerDes code		*/
1068 #define	BGE_DBG_PHYS		0x00040000	/* Physical layer code	*/
1069 #define	BGE_DBG_LINK		0x00080000	/* Link status check	*/
1070 
1071 #define	BGE_DBG_INIT		0x00100000	/* initialisation	*/
1072 #define	BGE_DBG_NEMO		0x00200000	/* nemo interaction	*/
1073 #define	BGE_DBG_ADDR		0x00400000	/* address-setting code	*/
1074 #define	BGE_DBG_STATS		0x00800000	/* statistics		*/
1075 
1076 #define	BGE_DBG_IOCTL		0x01000000	/* ioctl handling	*/
1077 #define	BGE_DBG_LOOP		0x02000000	/* loopback ioctl code	*/
1078 #define	BGE_DBG_PPIO		0x04000000	/* Peek/poke ioctls	*/
1079 #define	BGE_DBG_BADIOC		0x08000000	/* unknown ioctls	*/
1080 
1081 #define	BGE_DBG_MCTL		0x10000000	/* mctl (csum) code	*/
1082 #define	BGE_DBG_NDD		0x20000000	/* NDD operations	*/
1083 
1084 /*
1085  * Debugging ...
1086  */
1087 #ifdef	DEBUG
1088 #define	BGE_DEBUGGING		1
1089 #else
1090 #define	BGE_DEBUGGING		0
1091 #endif	/* DEBUG */
1092 
1093 
1094 /*
1095  * 'Do-if-debugging' macro.  The parameter <command> should be one or more
1096  * C statements (but without the *final* semicolon), which will either be
1097  * compiled inline or completely ignored, depending on the BGE_DEBUGGING
1098  * compile-time flag.
1099  *
1100  * You should get a compile-time error (at least on a DEBUG build) if
1101  * your statement isn't actually a statement, rather than unexpected
1102  * run-time behaviour caused by unintended matching of if-then-elses etc.
1103  *
1104  * Note that the BGE_DDB() macro itself can only be used as a statement,
1105  * not an expression, and should always be followed by a semicolon.
1106  */
1107 #if	BGE_DEBUGGING
1108 #define	BGE_DDB(command)	do {					\
1109 					{ command; }			\
1110 					_NOTE(CONSTANTCONDITION)	\
1111 				} while (0)
1112 #else 	/* BGE_DEBUGGING */
1113 #define	BGE_DDB(command)	do {					\
1114 					{ _NOTE(EMPTY); }		\
1115 					_NOTE(CONSTANTCONDITION)	\
1116 				} while (0)
1117 #endif	/* BGE_DEBUGGING */
1118 
1119 /*
1120  * 'Internal' macros used to construct the TRACE/DEBUG macros below.
1121  * These provide the primitive conditional-call capability required.
1122  * Note: the parameter <args> is a parenthesised list of the actual
1123  * printf-style arguments to be passed to the debug function ...
1124  */
1125 #define	BGE_XDB(b, w, f, args)	BGE_DDB(if ((b) & (w)) f args)
1126 #define	BGE_GDB(b, args)	BGE_XDB(b, bge_debug, (*bge_gdb()), args)
1127 #define	BGE_LDB(b, args)	BGE_XDB(b, bgep->debug, (*bge_db(bgep)), args)
1128 #define	BGE_CDB(f, args)	BGE_XDB(BGE_DBG, bgep->debug, f, args)
1129 
1130 /*
1131  * Conditional-print macros.
1132  *
1133  * Define BGE_DBG to be the relevant member of the set of BGE_DBG_* values
1134  * above before using the BGE_GDEBUG() or BGE_DEBUG() macros.  The 'G'
1135  * versions look at the Global debug flag word (bge_debug); the non-G
1136  * versions look in the per-instance data (bgep->debug) and so require a
1137  * variable called 'bgep' to be in scope (and initialised!) before use.
1138  *
1139  * You could redefine BGE_TRC too if you really need two different
1140  * flavours of debugging output in the same area of code, but I don't
1141  * really recommend it.
1142  *
1143  * Note: the parameter <args> is a parenthesised list of the actual
1144  * arguments to be passed to the debug function, usually a printf-style
1145  * format string and corresponding values to be formatted.
1146  */
1147 
1148 #define	BGE_TRC			BGE_DBG_TRACE	/* default 'trace' bit	*/
1149 #define	BGE_GTRACE(args)	BGE_GDB(BGE_TRC, args)
1150 #define	BGE_GDEBUG(args)	BGE_GDB(BGE_DBG, args)
1151 #define	BGE_TRACE(args)		BGE_LDB(BGE_TRC, args)
1152 #define	BGE_DEBUG(args)		BGE_LDB(BGE_DBG, args)
1153 
1154 /*
1155  * Debug-only action macros
1156  */
1157 #define	BGE_BRKPT(bgep, s)	BGE_DDB(bge_dbg_enter(bgep, s))
1158 #define	BGE_MARK(bgep)		BGE_DDB(bge_led_mark(bgep))
1159 #define	BGE_PCICHK(bgep)	BGE_DDB(bge_pci_check(bgep))
1160 #define	BGE_PKTDUMP(args)	BGE_DDB(bge_pkt_dump args)
1161 #define	BGE_REPORT(args)	BGE_DDB(bge_log args)
1162 
1163 /*
1164  * Inter-source-file linkage ...
1165  */
1166 
1167 /* bge_chip.c */
1168 uint16_t bge_mii_get16(bge_t *bgep, bge_regno_t regno);
1169 void bge_mii_put16(bge_t *bgep, bge_regno_t regno, uint16_t value);
1170 uint32_t bge_reg_get32(bge_t *bgep, bge_regno_t regno);
1171 void bge_reg_put32(bge_t *bgep, bge_regno_t regno, uint32_t value);
1172 void bge_reg_set32(bge_t *bgep, bge_regno_t regno, uint32_t bits);
1173 void bge_reg_clr32(bge_t *bgep, bge_regno_t regno, uint32_t bits);
1174 void bge_mbx_put(bge_t *bgep, bge_regno_t regno, uint64_t value);
1175 void bge_chip_cfg_init(bge_t *bgep, chip_id_t *cidp, boolean_t enable_dma);
1176 int bge_chip_id_init(bge_t *bgep);
1177 int bge_chip_start(bge_t *bgep, boolean_t reset_phy);
1178 void bge_chip_stop(bge_t *bgep, boolean_t fault);
1179 #ifdef BGE_IPMI_ASF
1180 void bge_nic_put32(bge_t *bgep, bge_regno_t addr, uint32_t data);
1181 #pragma	inline(bge_nic_put32)
1182 uint32_t bge_nic_read32(bge_t *bgep, bge_regno_t addr);
1183 void bge_asf_update_status(bge_t *bgep);
1184 void bge_asf_heartbeat(void *bgep);
1185 void bge_asf_stop_timer(bge_t *bgep);
1186 void bge_asf_get_config(bge_t *bgep);
1187 void bge_asf_pre_reset_operations(bge_t *bgep, uint32_t mode);
1188 void bge_asf_post_reset_old_mode(bge_t *bgep, uint32_t mode);
1189 void bge_asf_post_reset_new_mode(bge_t *bgep, uint32_t mode);
1190 int bge_chip_reset(bge_t *bgep, boolean_t enable_dma, uint_t asf_mode);
1191 int bge_chip_sync(bge_t *bgep, boolean_t asf_keeplive);
1192 #else
1193 int bge_chip_reset(bge_t *bgep, boolean_t enable_dma);
1194 int bge_chip_sync(bge_t *bgep);
1195 #endif
1196 void bge_chip_blank(void *arg, time_t ticks, uint_t count);
1197 uint_t bge_chip_factotum(caddr_t arg);
1198 void bge_chip_cyclic(void *arg);
1199 enum ioc_reply bge_chip_ioctl(bge_t *bgep, queue_t *wq, mblk_t *mp,
1200 	struct iocblk *iocp);
1201 uint_t bge_intr(caddr_t arg1, caddr_t arg2);
1202 extern uint32_t bge_rx_ticks_norm;
1203 extern uint32_t bge_tx_ticks_norm;
1204 extern uint32_t bge_rx_count_norm;
1205 extern uint32_t bge_tx_count_norm;
1206 extern boolean_t bge_jumbo_enable;
1207 void   bge_chip_msi_trig(bge_t *bgep);
1208 
1209 /* bge_kstats.c */
1210 void bge_init_kstats(bge_t *bgep, int instance);
1211 void bge_fini_kstats(bge_t *bgep);
1212 int bge_m_stat(void *arg, uint_t stat, uint64_t *val);
1213 
1214 /* bge_log.c */
1215 #if	BGE_DEBUGGING
1216 void (*bge_db(bge_t *bgep))(const char *fmt, ...);
1217 void (*bge_gdb(void))(const char *fmt, ...);
1218 void bge_pkt_dump(bge_t *bgep, bge_rbd_t *hbp, sw_rbd_t *sdp, const char *msg);
1219 void bge_dbg_enter(bge_t *bgep, const char *msg);
1220 #endif	/* BGE_DEBUGGING */
1221 void bge_problem(bge_t *bgep, const char *fmt, ...);
1222 void bge_notice(bge_t *bgep, const char *fmt, ...);
1223 void bge_log(bge_t *bgep, const char *fmt, ...);
1224 void bge_error(bge_t *bgep, const char *fmt, ...);
1225 void bge_fm_ereport(bge_t *bgep, char *detail);
1226 extern kmutex_t bge_log_mutex[1];
1227 extern uint32_t bge_debug;
1228 
1229 /* bge_main.c */
1230 int bge_restart(bge_t *bgep, boolean_t reset_phy);
1231 int bge_check_acc_handle(bge_t *bgep, ddi_acc_handle_t handle);
1232 int bge_check_dma_handle(bge_t *bgep, ddi_dma_handle_t handle);
1233 void bge_init_rings(bge_t *bgep);
1234 void bge_fini_rings(bge_t *bgep);
1235 int bge_alloc_bufs(bge_t *bgep);
1236 void bge_free_bufs(bge_t *bgep);
1237 void bge_intr_enable(bge_t *bgep);
1238 void bge_intr_disable(bge_t *bgep);
1239 
1240 /* bge_phys.c */
1241 int bge_phys_init(bge_t *bgep);
1242 void bge_phys_reset(bge_t *bgep);
1243 int bge_phys_idle(bge_t *bgep);
1244 int bge_phys_update(bge_t *bgep);
1245 boolean_t bge_phys_check(bge_t *bgep);
1246 
1247 /* bge_ndd.c */
1248 int bge_nd_init(bge_t *bgep);
1249 enum ioc_reply bge_nd_ioctl(bge_t *bgep, queue_t *wq, mblk_t *mp,
1250 	struct iocblk *iocp);
1251 void bge_nd_cleanup(bge_t *bgep);
1252 
1253 /* bge_recv.c */
1254 void bge_receive(bge_t *bgep, bge_status_t *bsp);
1255 
1256 /* bge_send.c */
1257 mblk_t *bge_m_tx(void *arg, mblk_t *mp);
1258 void bge_recycle(bge_t *bgep, bge_status_t *bsp);
1259 uint_t bge_reschedule(caddr_t arg);
1260 
1261 /* bge_atomic_sparc.s/bge_atomic_intel.c */
1262 uint64_t bge_atomic_reserve(uint64_t *count_p, uint64_t n);
1263 void bge_atomic_renounce(uint64_t *count_p, uint64_t n);
1264 uint64_t bge_atomic_claim(uint64_t *count_p, uint64_t limit);
1265 uint64_t bge_atomic_clr64(uint64_t *sp, uint64_t bits);
1266 uint32_t bge_atomic_shl32(uint32_t *sp, uint_t count);
1267 
1268 
1269 /*
1270  * Reset type
1271  */
1272 #define	BGE_SHUTDOWN_RESET	0
1273 #define	BGE_INIT_RESET		1
1274 #define	BGE_SUSPEND_RESET	2
1275 
1276 /* For asf_status */
1277 #define	ASF_STAT_NONE		0
1278 #define	ASF_STAT_STOP		1
1279 #define	ASF_STAT_RUN		2
1280 #define	ASF_STAT_RUN_INIT	3	/* attached but don't plumb */
1281 
1282 /* ASF modes for bge_reset() and bge_chip_reset() */
1283 #define	ASF_MODE_NONE		0	/* don't launch asf	 */
1284 #define	ASF_MODE_SHUTDOWN	1	/* asf shutdown mode	 */
1285 #define	ASF_MODE_INIT		2	/* asf init mode	 */
1286 #define	ASF_MODE_POST_SHUTDOWN	3	/* only do post-shutdown */
1287 #define	ASF_MODE_POST_INIT	4	/* only do post-init	 */
1288 
1289 #define	BGE_ASF_HEARTBEAT_INTERVAL		1500000
1290 
1291 #ifdef __cplusplus
1292 }
1293 #endif
1294 
1295 #endif	/* _SYS_BGE_IMPL_H */
1296