xref: /titanic_52/usr/src/uts/intel/ia32/os/ddi_i86.c (revision 9df12a23948bd40cbe37ce88d84e272c3894e675)
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 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <sys/conf.h>
30 #include <sys/kmem.h>
31 #include <sys/ddi_impldefs.h>
32 #include <sys/ddi.h>
33 #include <sys/sunddi.h>
34 #include <sys/ddifm.h>
35 
36 
37 /*
38  * DDI DMA Engine functions for x86.
39  * These functions are more naturally generic, but do not apply to SPARC.
40  */
41 
42 int
43 ddi_dmae_alloc(dev_info_t *dip, int chnl, int (*dmae_waitfp)(), caddr_t arg)
44 {
45 	return (ddi_dma_mctl(dip, dip, 0, DDI_DMA_E_ACQUIRE,
46 	    (off_t *)dmae_waitfp, (size_t *)arg,
47 	    (caddr_t *)(uintptr_t)chnl, 0));
48 }
49 
50 int
51 ddi_dmae_release(dev_info_t *dip, int chnl)
52 {
53 	return (ddi_dma_mctl(dip, dip, 0, DDI_DMA_E_FREE, 0, 0,
54 	    (caddr_t *)(uintptr_t)chnl, 0));
55 }
56 
57 int
58 ddi_dmae_getlim(dev_info_t *dip, ddi_dma_lim_t *limitsp)
59 {
60 	return (ddi_dma_mctl(dip, dip, 0, DDI_DMA_E_GETLIM, 0, 0,
61 	    (caddr_t *)limitsp, 0));
62 }
63 
64 int
65 ddi_dmae_getattr(dev_info_t *dip, ddi_dma_attr_t *attrp)
66 {
67 	return (ddi_dma_mctl(dip, dip, 0, DDI_DMA_E_GETATTR, 0, 0,
68 	    (caddr_t *)attrp, 0));
69 }
70 
71 int
72 ddi_dmae_1stparty(dev_info_t *dip, int chnl)
73 {
74 	return (ddi_dma_mctl(dip, dip, 0, DDI_DMA_E_1STPTY, 0, 0,
75 	    (caddr_t *)(uintptr_t)chnl, 0));
76 }
77 
78 int
79 ddi_dmae_prog(dev_info_t *dip, struct ddi_dmae_req *dmaereqp,
80 	ddi_dma_cookie_t *cookiep, int chnl)
81 {
82 	return (ddi_dma_mctl(dip, dip, 0, DDI_DMA_E_PROG, (off_t *)dmaereqp,
83 	    (size_t *)cookiep, (caddr_t *)(uintptr_t)chnl, 0));
84 }
85 
86 int
87 ddi_dmae_swsetup(dev_info_t *dip, struct ddi_dmae_req *dmaereqp,
88 	ddi_dma_cookie_t *cookiep, int chnl)
89 {
90 	return (ddi_dma_mctl(dip, dip, 0, DDI_DMA_E_SWSETUP, (off_t *)dmaereqp,
91 	    (size_t *)cookiep, (caddr_t *)(uintptr_t)chnl, 0));
92 }
93 
94 int
95 ddi_dmae_swstart(dev_info_t *dip, int chnl)
96 {
97 	return (ddi_dma_mctl(dip, dip, 0, DDI_DMA_E_SWSTART, 0, 0,
98 	    (caddr_t *)(uintptr_t)chnl, 0));
99 }
100 
101 int
102 ddi_dmae_stop(dev_info_t *dip, int chnl)
103 {
104 	return (ddi_dma_mctl(dip, dip, 0, DDI_DMA_E_STOP, 0, 0,
105 	    (caddr_t *)(uintptr_t)chnl, 0));
106 }
107 
108 int
109 ddi_dmae_enable(dev_info_t *dip, int chnl)
110 {
111 	return (ddi_dma_mctl(dip, dip, 0, DDI_DMA_E_ENABLE, 0, 0,
112 	    (caddr_t *)(uintptr_t)chnl, 0));
113 }
114 
115 int
116 ddi_dmae_disable(dev_info_t *dip, int chnl)
117 {
118 	return (ddi_dma_mctl(dip, dip, 0, DDI_DMA_E_DISABLE, 0, 0,
119 	    (caddr_t *)(uintptr_t)chnl, 0));
120 }
121 
122 int
123 ddi_dmae_getcnt(dev_info_t *dip, int chnl, int *countp)
124 {
125 	return (ddi_dma_mctl(dip, dip, 0, DDI_DMA_E_GETCNT, 0, (size_t *)countp,
126 	    (caddr_t *)(uintptr_t)chnl, 0));
127 }
128 
129 /*
130  * implementation specific access handle and routines:
131  */
132 
133 static uintptr_t impl_acc_hdl_id = 0;
134 
135 /*
136  * access handle allocator
137  */
138 ddi_acc_hdl_t *
139 impl_acc_hdl_get(ddi_acc_handle_t hdl)
140 {
141 	/*
142 	 * recast to ddi_acc_hdl_t instead of
143 	 * casting to ddi_acc_impl_t and then return the ah_platform_private
144 	 *
145 	 * this optimization based on the ddi_acc_hdl_t is the
146 	 * first member of the ddi_acc_impl_t.
147 	 */
148 	return ((ddi_acc_hdl_t *)hdl);
149 }
150 
151 ddi_acc_handle_t
152 impl_acc_hdl_alloc(int (*waitfp)(caddr_t), caddr_t arg)
153 {
154 	ddi_acc_impl_t *hp;
155 	int sleepflag;
156 
157 	sleepflag = ((waitfp == (int (*)())KM_SLEEP) ? KM_SLEEP : KM_NOSLEEP);
158 	/*
159 	 * Allocate and initialize the data access handle.
160 	 */
161 	hp = kmem_zalloc(sizeof (ddi_acc_impl_t), sleepflag);
162 	if (!hp) {
163 		if ((waitfp != (int (*)())KM_SLEEP) &&
164 		    (waitfp != (int (*)())KM_NOSLEEP))
165 			ddi_set_callback(waitfp, arg, &impl_acc_hdl_id);
166 		return (NULL);
167 	}
168 	hp->ahi_common.ah_platform_private = (void *)hp;
169 	return ((ddi_acc_handle_t)hp);
170 }
171 
172 void
173 impl_acc_hdl_free(ddi_acc_handle_t handle)
174 {
175 	ddi_acc_impl_t *hp;
176 
177 	hp = (ddi_acc_impl_t *)handle;
178 	if (hp) {
179 		kmem_free(hp, sizeof (*hp));
180 		if (impl_acc_hdl_id)
181 			ddi_run_callback(&impl_acc_hdl_id);
182 	}
183 }
184 
185 void
186 impl_acc_err_init(ddi_acc_hdl_t *handlep)
187 {
188 	/* Error handling not supported */
189 	handlep->ah_acc.devacc_attr_access = DDI_DEFAULT_ACC;
190 }
191 
192 void
193 impl_acc_hdl_init(ddi_acc_hdl_t *handlep)
194 {
195 	ddi_acc_impl_t *hp;
196 
197 	if (!handlep)
198 		return;
199 	hp = (ddi_acc_impl_t *)handlep->ah_platform_private;
200 
201 	if (hp->ahi_acc_attr & DDI_ACCATTR_IO_SPACE) {
202 		hp->ahi_get8 = i_ddi_io_get8;
203 		hp->ahi_put8 = i_ddi_io_put8;
204 		hp->ahi_rep_get8 = i_ddi_io_rep_get8;
205 		hp->ahi_rep_put8 = i_ddi_io_rep_put8;
206 
207 		/* temporary set these 64 functions to no-ops */
208 		hp->ahi_get64 = i_ddi_io_get64;
209 		hp->ahi_put64 = i_ddi_io_put64;
210 		hp->ahi_rep_get64 = i_ddi_io_rep_get64;
211 		hp->ahi_rep_put64 = i_ddi_io_rep_put64;
212 
213 		/*
214 		 * check for BIG endian access
215 		 */
216 		if (handlep->ah_acc.devacc_attr_endian_flags ==
217 			DDI_STRUCTURE_BE_ACC) {
218 			hp->ahi_get16 = i_ddi_io_swap_get16;
219 			hp->ahi_get32 = i_ddi_io_swap_get32;
220 			hp->ahi_put16 = i_ddi_io_swap_put16;
221 			hp->ahi_put32 = i_ddi_io_swap_put32;
222 			hp->ahi_rep_get16 = i_ddi_io_swap_rep_get16;
223 			hp->ahi_rep_get32 = i_ddi_io_swap_rep_get32;
224 			hp->ahi_rep_put16 = i_ddi_io_swap_rep_put16;
225 			hp->ahi_rep_put32 = i_ddi_io_swap_rep_put32;
226 		} else {
227 			hp->ahi_acc_attr |= DDI_ACCATTR_DIRECT;
228 			hp->ahi_get16 = i_ddi_io_get16;
229 			hp->ahi_get32 = i_ddi_io_get32;
230 			hp->ahi_put16 = i_ddi_io_put16;
231 			hp->ahi_put32 = i_ddi_io_put32;
232 			hp->ahi_rep_get16 = i_ddi_io_rep_get16;
233 			hp->ahi_rep_get32 = i_ddi_io_rep_get32;
234 			hp->ahi_rep_put16 = i_ddi_io_rep_put16;
235 			hp->ahi_rep_put32 = i_ddi_io_rep_put32;
236 		}
237 
238 	} else if (hp->ahi_acc_attr & DDI_ACCATTR_CPU_VADDR) {
239 
240 		hp->ahi_get8 = i_ddi_vaddr_get8;
241 		hp->ahi_put8 = i_ddi_vaddr_put8;
242 		hp->ahi_rep_get8 = i_ddi_vaddr_rep_get8;
243 		hp->ahi_rep_put8 = i_ddi_vaddr_rep_put8;
244 
245 		/*
246 		 * check for BIG endian access
247 		 */
248 		if (handlep->ah_acc.devacc_attr_endian_flags ==
249 			DDI_STRUCTURE_BE_ACC) {
250 
251 			hp->ahi_get16 = i_ddi_vaddr_swap_get16;
252 			hp->ahi_get32 = i_ddi_vaddr_swap_get32;
253 			hp->ahi_get64 = i_ddi_vaddr_swap_get64;
254 			hp->ahi_put16 = i_ddi_vaddr_swap_put16;
255 			hp->ahi_put32 = i_ddi_vaddr_swap_put32;
256 			hp->ahi_put64 = i_ddi_vaddr_swap_put64;
257 			hp->ahi_rep_get16 = i_ddi_vaddr_swap_rep_get16;
258 			hp->ahi_rep_get32 = i_ddi_vaddr_swap_rep_get32;
259 			hp->ahi_rep_get64 = i_ddi_vaddr_swap_rep_get64;
260 			hp->ahi_rep_put16 = i_ddi_vaddr_swap_rep_put16;
261 			hp->ahi_rep_put32 = i_ddi_vaddr_swap_rep_put32;
262 			hp->ahi_rep_put64 = i_ddi_vaddr_swap_rep_put64;
263 		} else {
264 			hp->ahi_acc_attr |= DDI_ACCATTR_DIRECT;
265 			hp->ahi_get16 = i_ddi_vaddr_get16;
266 			hp->ahi_get32 = i_ddi_vaddr_get32;
267 			hp->ahi_get64 = i_ddi_vaddr_get64;
268 			hp->ahi_put16 = i_ddi_vaddr_put16;
269 			hp->ahi_put32 = i_ddi_vaddr_put32;
270 			hp->ahi_put64 = i_ddi_vaddr_put64;
271 			hp->ahi_rep_get16 = i_ddi_vaddr_rep_get16;
272 			hp->ahi_rep_get32 = i_ddi_vaddr_rep_get32;
273 			hp->ahi_rep_get64 = i_ddi_vaddr_rep_get64;
274 			hp->ahi_rep_put16 = i_ddi_vaddr_rep_put16;
275 			hp->ahi_rep_put32 = i_ddi_vaddr_rep_put32;
276 			hp->ahi_rep_put64 = i_ddi_vaddr_rep_put64;
277 		}
278 	}
279 	hp->ahi_fault_check = i_ddi_acc_fault_check;
280 	hp->ahi_fault_notify = i_ddi_acc_fault_notify;
281 	hp->ahi_fault = 0;
282 	impl_acc_err_init(handlep);
283 }
284 
285 /*
286  * The followings are low-level routines for data access.
287  *
288  * All of these routines should be implemented in assembly. Those
289  * that have been rewritten be found in ~ml/ddi_i86_asm.s
290  */
291 
292 /*ARGSUSED*/
293 uint16_t
294 i_ddi_vaddr_swap_get16(ddi_acc_impl_t *hdlp, uint16_t *addr)
295 {
296 	return (ddi_swap16(*addr));
297 }
298 
299 /*ARGSUSED*/
300 uint16_t
301 i_ddi_io_swap_get16(ddi_acc_impl_t *hdlp, uint16_t *addr)
302 {
303 	return (ddi_swap16(inw((uintptr_t)addr)));
304 }
305 
306 /*ARGSUSED*/
307 uint32_t
308 i_ddi_vaddr_swap_get32(ddi_acc_impl_t *hdlp, uint32_t *addr)
309 {
310 	return (ddi_swap32(*addr));
311 }
312 
313 /*ARGSUSED*/
314 uint32_t
315 i_ddi_io_swap_get32(ddi_acc_impl_t *hdlp, uint32_t *addr)
316 {
317 	return (ddi_swap32(inl((uintptr_t)addr)));
318 }
319 
320 /*ARGSUSED*/
321 uint64_t
322 i_ddi_vaddr_swap_get64(ddi_acc_impl_t *hdlp, uint64_t *addr)
323 {
324 	return (ddi_swap64(*addr));
325 }
326 
327 /*ARGSUSED*/
328 void
329 i_ddi_vaddr_swap_put16(ddi_acc_impl_t *hdlp, uint16_t *addr, uint16_t value)
330 {
331 	*addr = ddi_swap16(value);
332 }
333 
334 /*ARGSUSED*/
335 void
336 i_ddi_io_swap_put16(ddi_acc_impl_t *hdlp, uint16_t *addr, uint16_t value)
337 {
338 	outw((uintptr_t)addr, ddi_swap16(value));
339 }
340 
341 /*ARGSUSED*/
342 void
343 i_ddi_vaddr_swap_put32(ddi_acc_impl_t *hdlp, uint32_t *addr, uint32_t value)
344 {
345 	*addr = ddi_swap32(value);
346 }
347 
348 /*ARGSUSED*/
349 void
350 i_ddi_io_swap_put32(ddi_acc_impl_t *hdlp, uint32_t *addr, uint32_t value)
351 {
352 	outl((uintptr_t)addr, ddi_swap32(value));
353 }
354 
355 /*ARGSUSED*/
356 void
357 i_ddi_vaddr_swap_put64(ddi_acc_impl_t *hdlp, uint64_t *addr, uint64_t value)
358 {
359 	*addr = ddi_swap64(value);
360 }
361 
362 /*ARGSUSED*/
363 void
364 i_ddi_vaddr_rep_get8(ddi_acc_impl_t *hdlp, uint8_t *host_addr,
365 	uint8_t *dev_addr, size_t repcount, uint_t flags)
366 {
367 	uint8_t	*h, *d;
368 
369 	h = host_addr;
370 	d = dev_addr;
371 
372 	if (flags == DDI_DEV_AUTOINCR)
373 		for (; repcount; repcount--)
374 			*h++ = *d++;
375 	else
376 		for (; repcount; repcount--)
377 			*h++ = *d;
378 }
379 
380 /*ARGSUSED*/
381 void
382 i_ddi_vaddr_rep_get16(ddi_acc_impl_t *hdlp, uint16_t *host_addr,
383 	uint16_t *dev_addr, size_t repcount, uint_t flags)
384 {
385 	uint16_t *h, *d;
386 
387 	h = host_addr;
388 	d = dev_addr;
389 
390 	if (flags == DDI_DEV_AUTOINCR)
391 		for (; repcount; repcount--)
392 			*h++ = *d++;
393 	else
394 		for (; repcount; repcount--)
395 			*h++ = *d;
396 }
397 
398 /*ARGSUSED*/
399 void
400 i_ddi_vaddr_swap_rep_get16(ddi_acc_impl_t *hdlp, uint16_t *host_addr,
401 	uint16_t *dev_addr, size_t repcount, uint_t flags)
402 {
403 	uint16_t *h, *d;
404 
405 	h = host_addr;
406 	d = dev_addr;
407 
408 	if (flags == DDI_DEV_AUTOINCR)
409 		for (; repcount; repcount--)
410 			*h++ = ddi_swap16(*d++);
411 	else
412 		for (; repcount; repcount--)
413 			*h++ = ddi_swap16(*d);
414 }
415 
416 /*ARGSUSED*/
417 void
418 i_ddi_io_swap_rep_get16(ddi_acc_impl_t *hdlp, uint16_t *host_addr,
419 	uint16_t *dev_addr, size_t repcount, uint_t flags)
420 {
421 	uint16_t *h;
422 	uintptr_t port;
423 
424 	h = host_addr;
425 	port = (uintptr_t)dev_addr;
426 
427 	if (flags == DDI_DEV_AUTOINCR)
428 		for (; repcount; repcount--, port += 2)
429 			*h++ = ddi_swap16(inw(port));
430 	else
431 		for (; repcount; repcount--)
432 			*h++ = ddi_swap16(inw(port));
433 }
434 
435 /*ARGSUSED*/
436 void
437 i_ddi_vaddr_rep_get32(ddi_acc_impl_t *hdlp, uint32_t *host_addr,
438 	uint32_t *dev_addr, size_t repcount, uint_t flags)
439 {
440 	uint32_t *h, *d;
441 
442 	h = host_addr;
443 	d = dev_addr;
444 
445 	if (flags == DDI_DEV_AUTOINCR)
446 		for (; repcount; repcount--)
447 			*h++ = *d++;
448 	else
449 		for (; repcount; repcount--)
450 			*h++ = *d;
451 }
452 
453 /*ARGSUSED*/
454 void
455 i_ddi_vaddr_swap_rep_get32(ddi_acc_impl_t *hdlp, uint32_t *host_addr,
456 	uint32_t *dev_addr, size_t repcount, uint_t flags)
457 {
458 	uint32_t *h, *d;
459 
460 	h = host_addr;
461 	d = dev_addr;
462 
463 	if (flags == DDI_DEV_AUTOINCR)
464 		for (; repcount; repcount--)
465 			*h++ = ddi_swap32(*d++);
466 	else
467 		for (; repcount; repcount--)
468 			*h++ = ddi_swap32(*d);
469 }
470 
471 /*ARGSUSED*/
472 void
473 i_ddi_io_swap_rep_get32(ddi_acc_impl_t *hdlp, uint32_t *host_addr,
474 	uint32_t *dev_addr, size_t repcount, uint_t flags)
475 {
476 	uint32_t *h;
477 	uintptr_t port;
478 
479 	h = host_addr;
480 	port = (uintptr_t)dev_addr;
481 
482 	if (flags == DDI_DEV_AUTOINCR)
483 		for (; repcount; repcount--, port += 4)
484 			*h++ = ddi_swap32(inl(port));
485 	else
486 		for (; repcount; repcount--)
487 			*h++ = ddi_swap32(inl(port));
488 }
489 
490 /*ARGSUSED*/
491 void
492 i_ddi_vaddr_rep_get64(ddi_acc_impl_t *hdlp, uint64_t *host_addr,
493 	uint64_t *dev_addr, size_t repcount, uint_t flags)
494 {
495 	uint64_t *h, *d;
496 
497 	h = host_addr;
498 	d = dev_addr;
499 
500 	if (flags == DDI_DEV_AUTOINCR)
501 		for (; repcount; repcount--)
502 			*h++ = *d++;
503 	else
504 		for (; repcount; repcount--)
505 			*h++ = *d;
506 }
507 
508 /*ARGSUSED*/
509 void
510 i_ddi_vaddr_swap_rep_get64(ddi_acc_impl_t *hdlp, uint64_t *host_addr,
511 	uint64_t *dev_addr, size_t repcount, uint_t flags)
512 {
513 	uint64_t *h, *d;
514 
515 	h = host_addr;
516 	d = dev_addr;
517 
518 	if (flags == DDI_DEV_AUTOINCR)
519 		for (; repcount; repcount--)
520 			*h++ = ddi_swap64(*d++);
521 	else
522 		for (; repcount; repcount--)
523 			*h++ = ddi_swap64(*d);
524 }
525 
526 /*ARGSUSED*/
527 void
528 i_ddi_vaddr_rep_put8(ddi_acc_impl_t *hdlp, uint8_t *host_addr,
529 	uint8_t *dev_addr, size_t repcount, uint_t flags)
530 {
531 	uint8_t	*h, *d;
532 
533 	h = host_addr;
534 	d = dev_addr;
535 
536 	if (flags == DDI_DEV_AUTOINCR)
537 		for (; repcount; repcount--)
538 			*d++ = *h++;
539 	else
540 		for (; repcount; repcount--)
541 			*d = *h++;
542 }
543 
544 /*ARGSUSED*/
545 void
546 i_ddi_vaddr_rep_put16(ddi_acc_impl_t *hdlp, uint16_t *host_addr,
547 	uint16_t *dev_addr, size_t repcount, uint_t flags)
548 {
549 	uint16_t *h, *d;
550 
551 	h = host_addr;
552 	d = dev_addr;
553 
554 	if (flags == DDI_DEV_AUTOINCR)
555 		for (; repcount; repcount--)
556 			*d++ = *h++;
557 	else
558 		for (; repcount; repcount--)
559 			*d = *h++;
560 }
561 
562 /*ARGSUSED*/
563 void
564 i_ddi_vaddr_swap_rep_put16(ddi_acc_impl_t *hdlp, uint16_t *host_addr,
565 	uint16_t *dev_addr, size_t repcount, uint_t flags)
566 {
567 	uint16_t *h, *d;
568 
569 	h = host_addr;
570 	d = dev_addr;
571 
572 	if (flags == DDI_DEV_AUTOINCR)
573 		for (; repcount; repcount--)
574 			*d++ = ddi_swap16(*h++);
575 	else
576 		for (; repcount; repcount--)
577 			*d = ddi_swap16(*h++);
578 }
579 
580 /*ARGSUSED*/
581 void
582 i_ddi_io_swap_rep_put16(ddi_acc_impl_t *hdlp, uint16_t *host_addr,
583 	uint16_t *dev_addr, size_t repcount, uint_t flags)
584 {
585 	uint16_t *h;
586 	uintptr_t port;
587 
588 	h = host_addr;
589 	port = (uintptr_t)dev_addr;
590 
591 	if (flags == DDI_DEV_AUTOINCR)
592 		for (; repcount; repcount--, port += 2)
593 			outw(port, ddi_swap16(*h++));
594 	else
595 		for (; repcount; repcount--)
596 			outw(port, ddi_swap16(*h++));
597 }
598 
599 /*ARGSUSED*/
600 void
601 i_ddi_vaddr_rep_put32(ddi_acc_impl_t *hdlp, uint32_t *host_addr,
602 	uint32_t *dev_addr, size_t repcount, uint_t flags)
603 {
604 	uint32_t *h, *d;
605 
606 	h = host_addr;
607 	d = dev_addr;
608 
609 	if (flags == DDI_DEV_AUTOINCR)
610 		for (; repcount; repcount--)
611 			*d++ = *h++;
612 	else
613 		for (; repcount; repcount--)
614 			*d = *h++;
615 }
616 
617 /*ARGSUSED*/
618 void
619 i_ddi_vaddr_swap_rep_put32(ddi_acc_impl_t *hdlp, uint32_t *host_addr,
620 	uint32_t *dev_addr, size_t repcount, uint_t flags)
621 {
622 	uint32_t *h, *d;
623 
624 	h = host_addr;
625 	d = dev_addr;
626 
627 	if (flags == DDI_DEV_AUTOINCR)
628 		for (; repcount; repcount--)
629 			*d++ = ddi_swap32(*h++);
630 	else
631 		for (; repcount; repcount--)
632 			*d = ddi_swap32(*h++);
633 }
634 
635 /*ARGSUSED*/
636 void
637 i_ddi_io_swap_rep_put32(ddi_acc_impl_t *hdlp, uint32_t *host_addr,
638 	uint32_t *dev_addr, size_t repcount, uint_t flags)
639 {
640 	uint32_t *h;
641 	uintptr_t port;
642 
643 	h = host_addr;
644 	port = (uintptr_t)dev_addr;
645 
646 	if (flags == DDI_DEV_AUTOINCR)
647 		for (; repcount; repcount--, port += 4)
648 			outl(port, ddi_swap32(*h++));
649 	else
650 		for (; repcount; repcount--)
651 			outl(port, ddi_swap32(*h++));
652 }
653 
654 /*ARGSUSED*/
655 void
656 i_ddi_vaddr_rep_put64(ddi_acc_impl_t *hdlp, uint64_t *host_addr,
657 	uint64_t *dev_addr, size_t repcount, uint_t flags)
658 {
659 	uint64_t *h, *d;
660 
661 	h = host_addr;
662 	d = dev_addr;
663 
664 	if (flags == DDI_DEV_AUTOINCR)
665 		for (; repcount; repcount--)
666 			*d++ = *h++;
667 	else
668 		for (; repcount; repcount--)
669 			*d = *h++;
670 }
671 
672 /*ARGSUSED*/
673 void
674 i_ddi_vaddr_swap_rep_put64(ddi_acc_impl_t *hdlp, uint64_t *host_addr,
675 	uint64_t *dev_addr, size_t repcount, uint_t flags)
676 {
677 	uint64_t *h, *d;
678 
679 	h = host_addr;
680 	d = dev_addr;
681 
682 	if (flags == DDI_DEV_AUTOINCR)
683 		for (; repcount; repcount--)
684 			*d++ = ddi_swap64(*h++);
685 	else
686 		for (; repcount; repcount--)
687 			*d = ddi_swap64(*h++);
688 }
689 
690 /*ARGSUSED*/
691 uint64_t
692 i_ddi_io_get64(ddi_acc_impl_t *hdlp, uint64_t *addr)
693 {
694 	panic("ddi_get64 from i/o space");
695 	/*NOTREACHED*/
696 	return (0);
697 }
698 
699 /*ARGSUSED*/
700 void
701 i_ddi_io_put64(ddi_acc_impl_t *hdlp, uint64_t *host_addr, uint64_t value)
702 {
703 	panic("ddi_put64 to i/o space");
704 	/*NOTREACHED*/
705 }
706 
707 void
708 ddi_io_rep_get8(ddi_acc_handle_t handle,
709 	uint8_t *host_addr, uint8_t *dev_addr, size_t repcount)
710 {
711 	(((ddi_acc_impl_t *)handle)->ahi_rep_get8)
712 		((ddi_acc_impl_t *)handle, host_addr, dev_addr,
713 		repcount, DDI_DEV_NO_AUTOINCR);
714 }
715 
716 void
717 ddi_io_rep_get16(ddi_acc_handle_t handle,
718 	uint16_t *host_addr, uint16_t *dev_addr, size_t repcount)
719 {
720 	(((ddi_acc_impl_t *)handle)->ahi_rep_get16)
721 		((ddi_acc_impl_t *)handle, host_addr, dev_addr,
722 		repcount, DDI_DEV_NO_AUTOINCR);
723 }
724 
725 void
726 ddi_io_rep_get32(ddi_acc_handle_t handle,
727 	uint32_t *host_addr, uint32_t *dev_addr, size_t repcount)
728 {
729 	(((ddi_acc_impl_t *)handle)->ahi_rep_get32)
730 		((ddi_acc_impl_t *)handle, host_addr, dev_addr,
731 		repcount, DDI_DEV_NO_AUTOINCR);
732 }
733 
734 /*ARGSUSED*/
735 void
736 i_ddi_io_rep_get64(ddi_acc_impl_t *hdlp, uint64_t *host_addr,
737 	uint64_t *dev_addr, size_t repcount, uint_t flags)
738 {
739 	cmn_err(CE_PANIC, "ddi_rep_get64 from i/o space");
740 }
741 
742 void
743 ddi_io_rep_put8(ddi_acc_handle_t handle,
744 	uint8_t *host_addr, uint8_t *dev_addr, size_t repcount)
745 {
746 	(((ddi_acc_impl_t *)handle)->ahi_rep_put8)
747 		((ddi_acc_impl_t *)handle, host_addr, dev_addr,
748 		repcount, DDI_DEV_NO_AUTOINCR);
749 }
750 
751 void
752 ddi_io_rep_put16(ddi_acc_handle_t handle,
753 	uint16_t *host_addr, uint16_t *dev_addr, size_t repcount)
754 {
755 	(((ddi_acc_impl_t *)handle)->ahi_rep_put16)
756 		((ddi_acc_impl_t *)handle, host_addr, dev_addr,
757 		repcount, DDI_DEV_NO_AUTOINCR);
758 }
759 
760 void
761 ddi_io_rep_put32(ddi_acc_handle_t handle,
762 	uint32_t *host_addr, uint32_t *dev_addr, size_t repcount)
763 {
764 	(((ddi_acc_impl_t *)handle)->ahi_rep_put32)
765 		((ddi_acc_impl_t *)handle, host_addr, dev_addr,
766 		repcount, DDI_DEV_NO_AUTOINCR);
767 }
768 
769 /*ARGSUSED*/
770 void
771 i_ddi_io_rep_put64(ddi_acc_impl_t *hdlp, uint64_t *host_addr,
772 	uint64_t *dev_addr, size_t repcount, uint_t flags)
773 {
774 	cmn_err(CE_PANIC, "ddi_rep_put64 to i/o space");
775 }
776 
777 /*
778  * We need to separate the old interfaces from the new ones and leave them
779  * in here for a while. Previous versions of the OS defined the new interfaces
780  * to the old interfaces. This way we can fix things up so that we can
781  * eventually remove these interfaces.
782  * e.g. A 3rd party module/driver using ddi_io_rep_get8 and built against S10
783  * or earlier will actually have a reference to ddi_io_rep_getb in the binary.
784  */
785 #ifdef _ILP32
786 void
787 ddi_io_rep_getb(ddi_acc_handle_t handle,
788 	uint8_t *host_addr, uint8_t *dev_addr, size_t repcount)
789 {
790 	(((ddi_acc_impl_t *)handle)->ahi_rep_get8)
791 		((ddi_acc_impl_t *)handle, host_addr, dev_addr,
792 		repcount, DDI_DEV_NO_AUTOINCR);
793 }
794 
795 void
796 ddi_io_rep_getw(ddi_acc_handle_t handle,
797 	uint16_t *host_addr, uint16_t *dev_addr, size_t repcount)
798 {
799 	(((ddi_acc_impl_t *)handle)->ahi_rep_get16)
800 		((ddi_acc_impl_t *)handle, host_addr, dev_addr,
801 		repcount, DDI_DEV_NO_AUTOINCR);
802 }
803 
804 void
805 ddi_io_rep_getl(ddi_acc_handle_t handle,
806 	uint32_t *host_addr, uint32_t *dev_addr, size_t repcount)
807 {
808 	(((ddi_acc_impl_t *)handle)->ahi_rep_get32)
809 		((ddi_acc_impl_t *)handle, host_addr, dev_addr,
810 		repcount, DDI_DEV_NO_AUTOINCR);
811 }
812 
813 void
814 ddi_io_rep_putb(ddi_acc_handle_t handle,
815 	uint8_t *host_addr, uint8_t *dev_addr, size_t repcount)
816 {
817 	(((ddi_acc_impl_t *)handle)->ahi_rep_put8)
818 		((ddi_acc_impl_t *)handle, host_addr, dev_addr,
819 		repcount, DDI_DEV_NO_AUTOINCR);
820 }
821 
822 void
823 ddi_io_rep_putw(ddi_acc_handle_t handle,
824 	uint16_t *host_addr, uint16_t *dev_addr, size_t repcount)
825 {
826 	(((ddi_acc_impl_t *)handle)->ahi_rep_put16)
827 		((ddi_acc_impl_t *)handle, host_addr, dev_addr,
828 		repcount, DDI_DEV_NO_AUTOINCR);
829 }
830 
831 void
832 ddi_io_rep_putl(ddi_acc_handle_t handle,
833 	uint32_t *host_addr, uint32_t *dev_addr, size_t repcount)
834 {
835 	(((ddi_acc_impl_t *)handle)->ahi_rep_put32)
836 		((ddi_acc_impl_t *)handle, host_addr, dev_addr,
837 		repcount, DDI_DEV_NO_AUTOINCR);
838 }
839 #endif /* _ILP32 */
840 
841 /*
842  * These next two functions could be translated into assembler someday
843  */
844 int
845 ddi_check_acc_handle(ddi_acc_handle_t handle)
846 {
847 	ddi_acc_impl_t *hdlp = (ddi_acc_impl_t *)handle;
848 	return (((*hdlp->ahi_fault_check)(hdlp) == DDI_SUCCESS) ? DDI_SUCCESS :
849 	    DDI_FAILURE);
850 }
851 
852 int
853 i_ddi_acc_fault_check(ddi_acc_impl_t *hdlp)
854 {
855 	/* Default version, just returns flag value */
856 	return (hdlp->ahi_fault);
857 }
858 
859 /*ARGSUSED*/
860 void
861 i_ddi_acc_fault_notify(ddi_acc_impl_t *hdlp)
862 {
863 	/* Default version, does nothing for now */
864 }
865 
866 void
867 i_ddi_acc_set_fault(ddi_acc_handle_t handle)
868 {
869 	ddi_acc_impl_t *hdlp = (ddi_acc_impl_t *)handle;
870 
871 	if (!hdlp->ahi_fault) {
872 		hdlp->ahi_fault = 1;
873 		(*hdlp->ahi_fault_notify)(hdlp);
874 	}
875 }
876 
877 void
878 i_ddi_acc_clr_fault(ddi_acc_handle_t handle)
879 {
880 	ddi_acc_impl_t *hdlp = (ddi_acc_impl_t *)handle;
881 
882 	if (hdlp->ahi_fault) {
883 		hdlp->ahi_fault = 0;
884 		(*hdlp->ahi_fault_notify)(hdlp);
885 	}
886 }
887