summaryrefslogtreecommitdiffstats
path: root/sys/dev/pdq/pdqvar.h
blob: 282d79e460b152e15459248ccec68616164a2680 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
/*	$NetBSD: pdqvar.h,v 1.27 2000/05/03 19:17:54 thorpej Exp $	*/

/*-
 * Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Id: pdqvar.h,v 1.21 1997/03/21 21:16:04 thomas Exp
 * $FreeBSD$
 *
 */

/*
 * DEC PDQ FDDI Controller; PDQ O/S dependent definitions
 *
 * Written by Matt Thomas
 *
 */

#ifndef _PDQ_OS_H
#define	_PDQ_OS_H

#define	PDQ_OS_TX_TIMEOUT		5	/* seconds */

typedef struct _pdq_t pdq_t;
typedef struct _pdq_csrs_t pdq_csrs_t;
typedef struct _pdq_pci_csrs_t pdq_pci_csrs_t;
typedef struct _pdq_lanaddr_t pdq_lanaddr_t;
typedef unsigned int pdq_uint32_t;
typedef unsigned short pdq_uint16_t;
typedef unsigned char pdq_uint8_t;
typedef enum _pdq_boolean_t pdq_boolean_t;
typedef enum _pdq_type_t pdq_type_t;
typedef enum _pdq_state_t pdq_state_t;

enum _pdq_type_t {
    PDQ_DEFPA,		/* PCI-bus */
    PDQ_DEFEA,		/* EISA-bus */
    PDQ_DEFTA,		/* TurboChannel */
    PDQ_DEFAA,		/* FutureBus+ */
    PDQ_DEFQA		/* Q-bus */
};

#if defined(PDQTEST)
#include <pdq_os_test.h>
#elif defined(__FreeBSD__) || defined(__bsdi__) || defined(__NetBSD__)

#include <sys/param.h>
#include <sys/systm.h>
#ifndef M_MCAST
#include <sys/mbuf.h>
#endif /* M_CAST */
#include <sys/malloc.h>
#include <vm/vm.h>
#include <vm/vm_kern.h>

#define	PDQ_USE_MBUFS
#if defined(__NetBSD__) || defined(__FreeBSD__)
#define	PDQ_OS_PREFIX			"%s: "
#define	PDQ_OS_PREFIX_ARGS		pdq->pdq_os_name
#else
#define	PDQ_OS_PREFIX			"%s%d: "
#define	PDQ_OS_PREFIX_ARGS		pdq->pdq_os_name, pdq->pdq_unit
#endif
#if defined(__FreeBSD__) && BSD >= 199506
#define	PDQ_OS_PAGESIZE			PAGE_SIZE
#else
#define	PDQ_OS_PAGESIZE			NBPG
#endif
#define	PDQ_OS_USEC_DELAY(n)		DELAY(n)
#define	PDQ_OS_MEMZERO(p, n)		bzero((caddr_t)(p), (n))
#if defined(__NetBSD__) && !defined(PDQ_NO_BUS_DMA)
#define PDQ_BUS_DMA
#endif
#if !defined(PDQ_BUS_DMA)
#define	PDQ_OS_VA_TO_BUSPA(pdq, p)		vtophys(p)
#endif
#define	PDQ_OS_MEMALLOC(n)		malloc(n, M_DEVBUF, M_NOWAIT)
#define	PDQ_OS_MEMFREE(p, n)		free((void *) p, M_DEVBUF)
#ifdef __FreeBSD__
#define	PDQ_OS_MEMALLOC_CONTIG(n)	contigmalloc(n, M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0)
#define	PDQ_OS_MEMFREE_CONTIG(p, n)	contigfree((void *) p, n, M_DEVBUF)
#else
#if !defined(PDQ_BUS_DMA)
#define	PDQ_OS_MEMALLOC_CONTIG(n)	uvm_km_alloc(kernel_map, round_page(n))
#define	PDQ_OS_MEMFREE_CONTIG(p, n)	uvm_km_free(kernel_map, (vaddr_t) p, n)
#endif
#endif /* __FreeBSD__ */

#if defined(__FreeBSD__)
#include <vm/pmap.h>
#include <vm/vm_extern.h>
#include <machine/cpufunc.h>
#include <machine/clock.h>
#define	ifnet_ret_t void
typedef int ioctl_cmd_t;
typedef enum { PDQ_BUS_EISA, PDQ_BUS_PCI } pdq_bus_t;
typedef	u_int16_t pdq_bus_ioport_t;
typedef volatile pdq_uint32_t *pdq_bus_memaddr_t;
typedef pdq_bus_memaddr_t pdq_bus_memoffset_t;
#if BSD >= 199506	/* __FreeBSD__ */
#define	PDQ_BPF_MTAP(sc, m)	bpf_mtap(&(sc)->sc_if, m)
#define	PDQ_BPFATTACH(sc, t, s)	bpfattach(&(sc)->sc_if, t, s)
#endif

#define	pdq_os_update_status(a, b)	((void) 0)

#elif defined(__bsdi__)
#if !defined(PDQ_HWSUPPORT) && (_BSDI_VERSION >= 199701)
#include <net/if_media.h>
#endif
#include <machine/inline.h>
#define	ifnet_ret_t int
typedef int ioctl_cmd_t;
typedef enum { PDQ_BUS_EISA, PDQ_BUS_PCI } pdq_bus_t;
typedef	u_int16_t pdq_bus_ioport_t;
typedef volatile pdq_uint32_t *pdq_bus_memaddr_t;
typedef pdq_bus_memaddr_t pdq_bus_memoffset_t;


#elif defined(__NetBSD__)
#if !defined(PDQ_HWSUPPORT)
#include <net/if_media.h>
#endif
#include <machine/bus.h>
#include <machine/intr.h>
#define PDQ_OS_HDR_OFFSET	(PDQ_RX_FC_OFFSET-3)
#define	PDQ_OS_PTR_FMT		"%p"
#define	PDQ_OS_CSR_FMT		"0x%lx"
#define	ifnet_ret_t void
typedef u_long ioctl_cmd_t;
typedef	bus_space_tag_t pdq_bus_t;
typedef	bus_space_handle_t pdq_bus_ioport_t;
typedef	bus_space_handle_t pdq_bus_memaddr_t;
typedef bus_addr_t pdq_bus_memoffset_t;
#define	PDQ_OS_SPL_RAISE()	splnet()
#define	PDQ_OS_IOMEM
#define PDQ_OS_IORD_32(t, base, offset)		bus_space_read_4  (t, base, offset)
#define PDQ_OS_IOWR_32(t, base, offset, data)	bus_space_write_4 (t, base, offset, data)
#define PDQ_OS_IORD_8(t, base, offset)		bus_space_read_1  (t, base, offset)
#define PDQ_OS_IOWR_8(t, base, offset, data)	bus_space_write_1 (t, base, offset, data)
#define	PDQ_CSR_OFFSET(base, offset)		(0 + (offset)*sizeof(pdq_uint32_t))

#ifdef PDQ_BUS_DMA
#define	PDQ_OS_UNSOL_EVENT_PRESYNC(pdq, event) \
	pdq_os_unsolicited_event_sync((pdq)->pdq_os_ctx, \
			(u_int8_t *) (event) - \
				(u_int8_t *) (pdq)->pdq_unsolicited_info.ui_events, \
			sizeof(*event), BUS_DMASYNC_PREREAD)
#define	PDQ_OS_UNSOL_EVENT_POSTSYNC(pdq, event) \
	pdq_os_unsolicited_event_sync((pdq)->pdq_os_ctx, \
			(u_int8_t *) (event) - \
				(u_int8_t *) (pdq)->pdq_unsolicited_info.ui_events, \
			sizeof(*event), BUS_DMASYNC_POSTREAD)
#define	PDQ_OS_DESCBLOCK_SYNC(pdq, what, length, why) \
	pdq_os_descriptor_block_sync((pdq)->pdq_os_ctx, \
			(u_int8_t *) (what) - (u_int8_t *) (pdq)->pdq_dbp, \
			(length), (why))
#define	PDQ_OS_CONSUMER_PRESYNC(pdq) \
	pdq_os_consumer_block_sync((pdq)->pdq_os_ctx, \
			      BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE)
#define	PDQ_OS_CONSUMER_POSTSYNC(pdq) \
	pdq_os_consumer_block_sync((pdq)->pdq_os_ctx, \
			      BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE)
#define	PDQ_OS_DESC_PRESYNC(pdq, d, s) \
	PDQ_OS_DESCBLOCK_SYNC((pdq), (d), (s), BUS_DMASYNC_PREWRITE)
#define	PDQ_OS_DESC_POSTSYNC(pdq, d, s) \
	PDQ_OS_DESCBLOCK_SYNC((pdq), (d), (s), BUS_DMASYNC_POSTWRITE)
#define	PDQ_OS_CMDRQST_PRESYNC(pdq, s) \
	PDQ_OS_DESCBLOCK_SYNC((pdq), \
			      (pdq)->pdq_command_info.ci_request_bufstart, \
			      (s), BUS_DMASYNC_PREWRITE)
#define	PDQ_OS_CMDRSP_PRESYNC(pdq, s) \
	PDQ_OS_DESCBLOCK_SYNC((pdq), \
			      (pdq)->pdq_command_info.ci_response_bufstart, \
			      (s), BUS_DMASYNC_PREREAD)
#define	PDQ_OS_CMDRQST_POSTSYNC(pdq, s) \
	PDQ_OS_DESCBLOCK_SYNC((pdq), \
			      (pdq)->pdq_command_info.ci_request_bufstart, \
			      (s), BUS_DMASYNC_POSTWRITE)
#define	PDQ_OS_CMDRSP_POSTSYNC(pdq, s) \
	PDQ_OS_DESCBLOCK_SYNC((pdq), \
			      (pdq)->pdq_command_info.ci_response_bufstart, \
			      (s), BUS_DMASYNC_POSTREAD)
#define	PDQ_OS_RXPDU_PRESYNC(pdq, b, o, l) \
	pdq_os_databuf_sync((pdq)->pdq_os_ctx, (b), (o), (l), \
			    BUS_DMASYNC_PREREAD)
#define	PDQ_OS_RXPDU_POSTSYNC(pdq, b, o, l) \
	pdq_os_databuf_sync((pdq)->pdq_os_ctx, (b), (o), (l), \
			    BUS_DMASYNC_POSTREAD)
#define	PDQ_OS_DATABUF_ALLOC(pdq, b)	((void)((b) = pdq_os_databuf_alloc((pdq)->pdq_os_ctx)))
#define	PDQ_OS_DATABUF_FREE(pdq, b)	pdq_os_databuf_free((pdq)->pdq_os_ctx, (b))
#define PDQ_OS_DATABUF_BUSPA(pdq, b)	(M_GETCTX((b), bus_dmamap_t)->dm_segs[0].ds_addr + 0)
struct _pdq_os_ctx_t;
extern void pdq_os_descriptor_block_sync(struct _pdq_os_ctx_t *osctx, size_t offset,
					 size_t length, int ops);
extern void pdq_os_consumer_block_sync(struct _pdq_os_ctx_t *osctx, int ops);
extern void pdq_os_unsolicited_event_sync(struct _pdq_os_ctx_t *osctx, size_t offset,
				 	  size_t length, int ops);
extern struct mbuf *pdq_os_databuf_alloc(struct _pdq_os_ctx_t *osctx);
extern void pdq_os_databuf_sync(struct _pdq_os_ctx_t *osctx, struct mbuf *b,
				size_t offset, size_t length, int ops);
extern void pdq_os_databuf_free(struct _pdq_os_ctx_t *osctx, struct mbuf *m);
#define M_HASTXDMAMAP		M_LINK1
#define M_HASRXDMAMAP		M_LINK2
#endif

#define	PDQ_CSR_WRITE(csr, name, data)		PDQ_OS_IOWR_32((csr)->csr_bus, (csr)->csr_base, (csr)->name, data)
#define	PDQ_CSR_READ(csr, name)			PDQ_OS_IORD_32((csr)->csr_bus, (csr)->csr_base, (csr)->name)

#define	PDQ_OS_IFP_TO_SOFTC(ifp)		((pdq_softc_t *) (ifp)->if_softc)
#define	PDQ_ARP_IFINIT(sc, ifa)			arp_ifinit(&(sc)->sc_if, (ifa))
#define	PDQ_FDDICOM(sc)				(&(sc)->sc_ec)
#define	PDQ_LANADDR(sc)				LLADDR((sc)->sc_if.if_sadl)
#define	PDQ_LANADDR_SIZE(sc)			((sc)->sc_if.if_sadl->sdl_alen)
#endif

#if !defined(PDQ_BPF_MTAP)
#define	PDQ_BPF_MTAP(sc, m)	bpf_mtap((sc)->sc_bpf, m)
#endif

#if !defined(PDQ_BPFATTACH)
#define	PDQ_BPFATTACH(sc, t, s)	bpfattach(&(sc)->sc_bpf, &(sc)->sc_if, t, s)
#endif

#if !defined(PDQ_OS_SPL_RAISE)
#define	PDQ_OS_SPL_RAISE()	splimp()
#endif

#if !defined(PDQ_OS_SPL_LOWER)
#define	PDQ_OS_SPL_LOWER(s)	splx(s)
#endif

#if !defined(PDQ_FDDICOM)
#define	PDQ_FDDICOM(sc)		(&(sc)->sc_ac)
#endif

#if !defined(PDQ_ARP_IFINIT)
#define	PDQ_ARP_IFINIT(sc, ifa)	arp_ifinit(&(sc)->sc_ac, (ifa))
#endif

#if !defined(PDQ_OS_PTR_FMT)
#define	PDQ_OS_PTR_FMT	"0x%x"
#endif

#if !defined(PDQ_OS_CSR_FMT)
#define	PDQ_OS_CSR_FMT	"0x%x"
#endif

#if !defined(PDQ_LANADDR)
#define	PDQ_LANADDR(sc)		((sc)->sc_ac.ac_enaddr)
#define	PDQ_LANADDR_SIZE(sc)	(sizeof((sc)->sc_ac.ac_enaddr))
#endif

#if !defined(PDQ_OS_IOMEM)
#define PDQ_OS_IORD_32(t, base, offset)		inl((base) + (offset))
#define PDQ_OS_IOWR_32(t, base, offset, data)	outl((base) + (offset), data)
#define PDQ_OS_IORD_8(t, base, offset)		inb((base) + (offset))
#define PDQ_OS_IOWR_8(t, base, offset, data)	outb((base) + (offset), data)
#define PDQ_OS_MEMRD_32(t, base, offset)	(0 + *((base) + (offset)))
#define PDQ_OS_MEMWR_32(t, base, offset, data)	do *((base) + (offset)) = (data); while (0)
#endif
#ifndef PDQ_CSR_OFFSET
#define	PDQ_CSR_OFFSET(base, offset)		(0 + (base) + (offset))
#endif

#ifndef PDQ_CSR_WRITE
#define	PDQ_CSR_WRITE(csr, name, data)		PDQ_OS_MEMWR_32((csr)->csr_bus, (csr)->name, 0, data)
#define	PDQ_CSR_READ(csr, name)			PDQ_OS_MEMRD_32((csr)->csr_bus, (csr)->name, 0)
#endif

#ifndef PDQ_OS_IFP_TO_SOFTC
#define	PDQ_OS_IFP_TO_SOFTC(ifp)	((pdq_softc_t *) ((caddr_t) ifp - offsetof(pdq_softc_t, sc_ac.ac_if)))
#endif


#if !defined(PDQ_HWSUPPORT)

typedef struct _pdq_os_ctx_t {
#if defined(__bsdi__)
    struct device sc_dev;		/* base device */
    struct isadev sc_id;		/* ISA device */
    struct intrhand sc_ih;		/* interrupt vectoring */
    struct atshutdown sc_ats;		/* shutdown routine */
    struct arpcom sc_ac;
#define	sc_if		sc_ac.ac_if
#elif defined(__NetBSD__)
    struct device sc_dev;		/* base device */
    void *sc_ih;			/* interrupt vectoring */
    void *sc_ats;			/* shutdown hook */
    struct ethercom sc_ec;
    bus_dma_tag_t sc_dmatag;
#define	sc_if		sc_ec.ec_if
#elif defined(__FreeBSD__)
    struct kern_devconf *sc_kdc;	/* freebsd cruft */
    struct arpcom sc_ac;
#define	sc_if		sc_ac.ac_if
#endif
#if defined(IFM_FDDI)
    struct ifmedia sc_ifmedia;
#endif
    pdq_t *sc_pdq;
#if defined(__alpha__) || defined(__i386__)
    pdq_bus_ioport_t sc_iobase;
#endif
#if defined(PDQ_IOMAPPED) && !defined(__NetBSD__)
#define	sc_membase	sc_iobase
#else
    pdq_bus_memaddr_t sc_membase;
#endif
    pdq_bus_t sc_iotag;
    pdq_bus_t sc_csrtag;
#if !defined(__bsdi__) || _BSDI_VERSION >= 199401
#define	sc_bpf		sc_if.if_bpf
#else
    caddr_t sc_bpf;
#endif
#if defined(PDQ_BUS_DMA)
#if !defined(__NetBSD__)
     bus_dma_tag_t sc_dmatag;
#endif
     bus_dmamap_t sc_dbmap;		/* DMA map for descriptor block */
     bus_dmamap_t sc_uimap;		/* DMA map for unsolicited events */
     bus_dmamap_t sc_cbmap;		/* DMA map for consumer block */
#endif
} pdq_softc_t;


extern void pdq_ifreset(pdq_softc_t *sc);
extern void pdq_ifinit(pdq_softc_t *sc);
extern void pdq_ifwatchdog(struct ifnet *ifp);
extern ifnet_ret_t pdq_ifstart(struct ifnet *ifp);
extern int pdq_ifioctl(struct ifnet *ifp, ioctl_cmd_t cmd, caddr_t data);
extern void pdq_ifattach(pdq_softc_t *sc, ifnet_ret_t (*ifwatchdog)(int unit));
#endif /* !PDQ_HWSUPPORT */


#elif defined(DLPI_PDQ)
#include <sys/param.h>
#include <sys/kmem.h>
#include <sys/ddi.h>
#include <sys/stream.h>

#define	PDQ_USE_STREAMS
#define	PDQ_OS_PREFIX			"%s board %d "
#define	PDQ_OS_PREFIX_ARGS		pdq->pdq_os_name, pdq->pdq_unit

#define	PDQ_OS_PAGESIZE			PAGESIZE
#define	PDQ_OS_USEC_DELAY(n)		drv_usecwait(n)
#define	PDQ_OS_MEMZERO(p, n)		bzero((caddr_t)(p), (n))
#define	PDQ_OS_VA_TO_BUSPA(pdq, p)		vtop((caddr_t)p, NULL)
#define	PDQ_OS_MEMALLOC(n)		kmem_zalloc(n, KM_NOSLEEP)
#define	PDQ_OS_MEMFREE(p, n)		kmem_free((caddr_t) p, n)
#define	PDQ_OS_MEMALLOC_CONTIG(n)	kmem_zalloc_physreq(n, decfddiphysreq_db, KM_NOSLEEP)
#define	PDQ_OS_MEMFREE_CONTIG(p, n)	PDQ_OS_MEMFREE(p, n)

extern physreq_t *decfddiphysreq_db;
extern physreq_t *decfddiphysreq_mblk;

#define	PDQ_OS_DATABUF_ALLOC(pdq, b)		((void) (((b) = allocb_physreq(PDQ_OS_DATABUF_SIZE, BPRI_MED, decfddiphysreq_mblk)) && ((b)->b_wptr = (b)->b_rptr + PDQ_OS_DATABUF_SIZE)))

#define PDQ_OS_IORD_8(port)		inb(port)
#define PDQ_OS_IOWR_8(port, data)	outb(port, data)
#endif


#ifdef PDQ_USE_MBUFS
#define	PDQ_OS_DATABUF_SIZE			(MCLBYTES)
#ifndef PDQ_OS_DATABUF_FREE
#define	PDQ_OS_DATABUF_FREE(pdq, b)		(m_freem(b))
#endif
#define	PDQ_OS_DATABUF_NEXT(b)			((b)->m_next)
#define	PDQ_OS_DATABUF_NEXT_SET(b, b1)		((b)->m_next = (b1))
#define	PDQ_OS_DATABUF_NEXTPKT(b)		((b)->m_nextpkt)
#define	PDQ_OS_DATABUF_NEXTPKT_SET(b, b1)	((b)->m_nextpkt = (b1))
#define	PDQ_OS_DATABUF_LEN(b)			((b)->m_len)
#define	PDQ_OS_DATABUF_LEN_SET(b, n)		((b)->m_len = (n))
/* #define	PDQ_OS_DATABUF_LEN_ADJ(b, n)		((b)->m_len += (n)) */
#define	PDQ_OS_DATABUF_PTR(b)			(mtod((b), pdq_uint8_t *))
#define	PDQ_OS_DATABUF_ADJ(b, n)		((b)->m_data += (n), (b)->m_len -= (n))
typedef struct mbuf PDQ_OS_DATABUF_T;

#ifndef PDQ_OS_DATABUF_ALLOC
#define	PDQ_OS_DATABUF_ALLOC(pdq, b) do { \
    PDQ_OS_DATABUF_T *x_m0; \
    MGETHDR(x_m0, M_DONTWAIT, MT_DATA); \
    if (x_m0 != NULL) { \
	MCLGET(x_m0, M_DONTWAIT);	\
	if ((x_m0->m_flags & M_EXT) == 0) { \
	    m_free(x_m0); \
	    (b) = NULL; \
	} else { \
	    (b) = x_m0; \
	    x_m0->m_len = PDQ_OS_DATABUF_SIZE; \
	} \
    } else { \
	(b) = NULL; \
    } \
} while (0)
#endif
#define	PDQ_OS_DATABUF_RESET(b)	((b)->m_data = (b)->m_ext.ext_buf, (b)->m_len = MCLBYTES)
#endif /* PDQ_USE_MBUFS */

#ifdef PDQ_USE_STREAMS
#define	PDQ_OS_DATABUF_SIZE			(2048)
#define	PDQ_OS_DATABUF_FREE(pdq, b)		(freemsg(b))
#define	PDQ_OS_DATABUF_NEXT(b)			((b)->b_cont)
#define	PDQ_OS_DATABUF_NEXT_SET(b, b1)		((b)->b_cont = (b1))
#define	PDQ_OS_DATABUF_NEXTPKT(b)		((b)->b_next)
#define	PDQ_OS_DATABUF_NEXTPKT_SET(b, b1)	((b)->b_next = (b1))
#define	PDQ_OS_DATABUF_LEN(b)			((b)->b_wptr - (b)->b_rptr)
#define	PDQ_OS_DATABUF_LEN_SET(b, n)		((b)->b_wptr = (b)->b_rptr + (n))
/*#define	PDQ_OS_DATABUF_LEN_ADJ(b, n)		((b)->b_wptr += (n))*/
#define	PDQ_OS_DATABUF_PTR(b)			((pdq_uint8_t *) (b)->b_rptr)
#define	PDQ_OS_DATABUF_ADJ(b, n)		((b)->b_rptr += (n))
typedef mblk_t PDQ_OS_DATABUF_T;

#ifndef	PDQ_OS_DATABUF_ALLOC
#define	PDQ_OS_DATABUF_ALLOC(pdq, b)			((void) (((b) = allocb(PDQ_OS_DATABUF_SIZE, BPRI_MED)) && ((b)->b_wptr = (b)->b_rptr + PDQ_OS_DATABUF_SIZE)))
#endif /* PDQ_OS_DATABUF_ALLOC */
#endif /* PDQ_USE_STREAMS */

#define	PDQ_OS_TX_TRANSMIT		5

#define	PDQ_OS_DATABUF_ENQUEUE(q, b)	do { \
    PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
    if ((q)->q_tail == NULL) \
	(q)->q_head = (b); \
    else \
	PDQ_OS_DATABUF_NEXTPKT_SET(((PDQ_OS_DATABUF_T *)(q)->q_tail), b); \
    (q)->q_tail = (b); \
} while (0)

#define	PDQ_OS_DATABUF_DEQUEUE(q, b)	do { \
    if (((b) = (PDQ_OS_DATABUF_T *) (q)->q_head) != NULL) { \
	if (((q)->q_head = PDQ_OS_DATABUF_NEXTPKT(b)) == NULL) \
	    (q)->q_tail = NULL; \
	PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
    } \
} while (0)

#if !defined(PDQ_OS_CONSUMER_PRESYNC)
#define	PDQ_OS_CONSUMER_PRESYNC(pdq)		do { } while(0)
#define	PDQ_OS_CONSUMER_POSTSYNC(pdq)		do { } while(0)
#define	PDQ_OS_DESC_PRESYNC(pdq, d, s)		do { } while(0)
#define	PDQ_OS_DESC_POSTSYNC(pdq, d, s)		do { } while(0)
#define	PDQ_OS_CMDRQST_PRESYNC(pdq, s)		do { } while(0)
#define	PDQ_OS_CMDRQST_POSTSYNC(pdq, s)		do { } while(0)
#define	PDQ_OS_CMDRSP_PRESYNC(pdq, s)		do { } while(0)
#define	PDQ_OS_CMDRSP_POSTSYNC(pdq, s)		do { } while(0)
#define PDQ_OS_RXPDU_PRESYNC(pdq, b, o, l)	do { } while(0)
#define PDQ_OS_RXPDU_POSTSYNC(pdq, b, o, l)	do { } while(0)
#define PDQ_OS_UNSOL_EVENT_PRESYNC(pdq, e)	do { } while(0)
#define PDQ_OS_UNSOL_EVENT_POSTSYNC(pdq, e)	do { } while(0)
#endif

#ifndef PDQ_OS_DATABUF_BUSPA
#define PDQ_OS_DATABUF_BUSPA(pdq, b)	PDQ_OS_VA_TO_BUSPA(pdq, PDQ_OS_DATABUF_PTR(b))
#endif

#ifndef PDQ_OS_HDR_OFFSET
#define	PDQ_OS_HDR_OFFSET	PDQ_RX_FC_OFFSET
#endif

extern void pdq_os_addr_fill(pdq_t *pdq, pdq_lanaddr_t *addrs, size_t numaddrs);
extern void pdq_os_receive_pdu(pdq_t *, PDQ_OS_DATABUF_T *pdu, size_t pdulen, int drop);
extern void pdq_os_restart_transmitter(pdq_t *pdq);
extern void pdq_os_transmit_done(pdq_t *pdq, PDQ_OS_DATABUF_T *pdu);
#if !defined(pdq_os_update_status)
extern void pdq_os_update_status(pdq_t *pdq, const void *rsp);
#endif
#if !defined(PDQ_OS_MEMALLOC_CONTIG)
extern int pdq_os_memalloc_contig(pdq_t *pdq);
#endif
extern pdq_boolean_t pdq_queue_transmit_data(pdq_t *pdq, PDQ_OS_DATABUF_T *pdu);
extern void pdq_flush_transmitter(pdq_t *pdq);

extern void pdq_run(pdq_t *pdq);
extern pdq_state_t pdq_stop(pdq_t *pdq);
extern void pdq_hwreset(pdq_t *pdq);

extern int pdq_interrupt(pdq_t *pdq);
extern pdq_t *pdq_initialize(pdq_bus_t bus, pdq_bus_memaddr_t csr_va,
			     const char *name, int unit,
			     void *ctx, pdq_type_t type);
#endif /* _PDQ_OS_H */
OpenPOWER on IntegriCloud