xref: /illumos-gate/usr/src/uts/sun4v/io/px/px_lib4v.c (revision 54719d5edb7521bb3a321ad8bd9ebc251d61a1a0)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
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/types.h>
30 #include <sys/sysmacros.h>
31 #include <sys/ddi.h>
32 #include <sys/sunddi.h>
33 #include <sys/ddifm.h>
34 #include <sys/fm/protocol.h>
35 #include <sys/vmem.h>
36 #include <sys/intr.h>
37 #include <sys/ivintr.h>
38 #include <sys/errno.h>
39 #include <sys/hypervisor_api.h>
40 #include <px_obj.h>
41 #include <sys/machsystm.h>
42 #include "px_lib4v.h"
43 #include "px_err.h"
44 
45 /* mask for the ranges property in calculating the real PFN range */
46 uint_t px_ranges_phi_mask = ((1 << 28) -1);
47 
48 int
49 px_lib_dev_init(dev_info_t *dip, devhandle_t *dev_hdl)
50 {
51 	px_nexus_regspec_t	*rp;
52 	uint_t			reglen;
53 	int			ret;
54 
55 	DBG(DBG_ATTACH, dip, "px_lib_dev_init: dip 0x%p\n", dip);
56 
57 	ret = ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
58 	    "reg", (uchar_t **)&rp, &reglen);
59 	if (ret != DDI_PROP_SUCCESS) {
60 		DBG(DBG_ATTACH, dip, "px_lib_dev_init failed ret=%d\n", ret);
61 		return (DDI_FAILURE);
62 	}
63 
64 	/*
65 	 * Initilize device handle. The device handle uniquely identifies
66 	 * a SUN4V device. It consists of the lower 28-bits of the hi-cell
67 	 * of the first entry of the SUN4V device's "reg" property as
68 	 * defined by the SUN4V Bus Binding to Open Firmware.
69 	 */
70 	*dev_hdl = (devhandle_t)((rp->phys_addr >> 32) & DEVHDLE_MASK);
71 
72 	ddi_prop_free(rp);
73 
74 	DBG(DBG_ATTACH, dip, "px_lib_dev_init: dev_hdl 0x%llx\n", *dev_hdl);
75 
76 	return (DDI_SUCCESS);
77 }
78 
79 /*ARGSUSED*/
80 int
81 px_lib_dev_fini(dev_info_t *dip)
82 {
83 	DBG(DBG_DETACH, dip, "px_lib_dev_fini: dip 0x%p\n", dip);
84 
85 	return (DDI_SUCCESS);
86 }
87 
88 /*ARGSUSED*/
89 int
90 px_lib_intr_devino_to_sysino(dev_info_t *dip, devino_t devino,
91     sysino_t *sysino)
92 {
93 	uint64_t	ret;
94 
95 	DBG(DBG_LIB_INT, dip, "px_lib_intr_devino_to_sysino: dip 0x%p "
96 	    "devino 0x%x\n", dip, devino);
97 
98 	if ((ret = hvio_intr_devino_to_sysino(DIP_TO_HANDLE(dip),
99 	    devino, sysino)) != H_EOK) {
100 		DBG(DBG_LIB_INT, dip,
101 		    "hvio_intr_devino_to_sysino failed, ret 0x%lx\n", ret);
102 		return (DDI_FAILURE);
103 	}
104 
105 	DBG(DBG_LIB_INT, dip, "px_lib_intr_devino_to_sysino: sysino 0x%llx\n",
106 	    *sysino);
107 
108 	return (DDI_SUCCESS);
109 }
110 
111 /*ARGSUSED*/
112 int
113 px_lib_intr_getvalid(dev_info_t *dip, sysino_t sysino,
114     intr_valid_state_t *intr_valid_state)
115 {
116 	uint64_t	ret;
117 
118 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getvalid: dip 0x%p sysino 0x%llx\n",
119 	    dip, sysino);
120 
121 	if ((ret = hvio_intr_getvalid(sysino,
122 	    (int *)intr_valid_state)) != H_EOK) {
123 		DBG(DBG_LIB_INT, dip, "hvio_intr_getvalid failed, ret 0x%lx\n",
124 		    ret);
125 		return (DDI_FAILURE);
126 	}
127 
128 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getvalid: intr_valid_state 0x%x\n",
129 	    *intr_valid_state);
130 
131 	return (DDI_SUCCESS);
132 }
133 
134 /*ARGSUSED*/
135 int
136 px_lib_intr_setvalid(dev_info_t *dip, sysino_t sysino,
137     intr_valid_state_t intr_valid_state)
138 {
139 	uint64_t	ret;
140 
141 	DBG(DBG_LIB_INT, dip, "px_lib_intr_setvalid: dip 0x%p sysino 0x%llx "
142 	    "intr_valid_state 0x%x\n", dip, sysino, intr_valid_state);
143 
144 	if ((ret = hvio_intr_setvalid(sysino, intr_valid_state)) != H_EOK) {
145 		DBG(DBG_LIB_INT, dip, "hvio_intr_setvalid failed, ret 0x%lx\n",
146 		    ret);
147 		return (DDI_FAILURE);
148 	}
149 
150 	return (DDI_SUCCESS);
151 }
152 
153 /*ARGSUSED*/
154 int
155 px_lib_intr_getstate(dev_info_t *dip, sysino_t sysino,
156     intr_state_t *intr_state)
157 {
158 	uint64_t	ret;
159 
160 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getstate: dip 0x%p sysino 0x%llx\n",
161 	    dip, sysino);
162 
163 	if ((ret = hvio_intr_getstate(sysino, (int *)intr_state)) != H_EOK) {
164 		DBG(DBG_LIB_INT, dip, "hvio_intr_getstate failed, ret 0x%lx\n",
165 		    ret);
166 		return (DDI_FAILURE);
167 	}
168 
169 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getstate: intr_state 0x%x\n",
170 	    *intr_state);
171 
172 	return (DDI_SUCCESS);
173 }
174 
175 /*ARGSUSED*/
176 int
177 px_lib_intr_setstate(dev_info_t *dip, sysino_t sysino,
178     intr_state_t intr_state)
179 {
180 	uint64_t	ret;
181 
182 	DBG(DBG_LIB_INT, dip, "px_lib_intr_setstate: dip 0x%p sysino 0x%llx "
183 	    "intr_state 0x%x\n", dip, sysino, intr_state);
184 
185 	if ((ret = hvio_intr_setstate(sysino, intr_state)) != H_EOK) {
186 		DBG(DBG_LIB_INT, dip, "hvio_intr_setstate failed, ret 0x%lx\n",
187 		    ret);
188 		return (DDI_FAILURE);
189 	}
190 
191 	return (DDI_SUCCESS);
192 }
193 
194 /*ARGSUSED*/
195 int
196 px_lib_intr_gettarget(dev_info_t *dip, sysino_t sysino, cpuid_t *cpuid)
197 {
198 	uint64_t	ret;
199 
200 	DBG(DBG_LIB_INT, dip, "px_lib_intr_gettarget: dip 0x%p sysino 0x%llx\n",
201 	    dip, sysino);
202 
203 	if ((ret = hvio_intr_gettarget(sysino, cpuid)) != H_EOK) {
204 		DBG(DBG_LIB_INT, dip,
205 		    "hvio_intr_gettarget failed, ret 0x%lx\n", ret);
206 		return (DDI_FAILURE);
207 	}
208 
209 	DBG(DBG_LIB_INT, dip, "px_lib_intr_gettarget: cpuid 0x%x\n", cpuid);
210 
211 	return (DDI_SUCCESS);
212 }
213 
214 /*ARGSUSED*/
215 int
216 px_lib_intr_settarget(dev_info_t *dip, sysino_t sysino, cpuid_t cpuid)
217 {
218 	uint64_t	ret;
219 
220 	DBG(DBG_LIB_INT, dip, "px_lib_intr_settarget: dip 0x%p sysino 0x%llx "
221 	    "cpuid 0x%x\n", dip, sysino, cpuid);
222 
223 	if ((ret = hvio_intr_settarget(sysino, cpuid)) != H_EOK) {
224 		DBG(DBG_LIB_INT, dip,
225 		    "hvio_intr_settarget failed, ret 0x%lx\n", ret);
226 		return (DDI_FAILURE);
227 	}
228 
229 	return (DDI_SUCCESS);
230 }
231 
232 /*ARGSUSED*/
233 int
234 px_lib_intr_reset(dev_info_t *dip)
235 {
236 	DBG(DBG_LIB_INT, dip, "px_lib_intr_reset: dip 0x%p\n", dip);
237 
238 	return (DDI_SUCCESS);
239 }
240 
241 /*ARGSUSED*/
242 int
243 px_lib_iommu_map(dev_info_t *dip, tsbid_t tsbid, pages_t pages,
244     io_attributes_t io_attributes, void *addr, size_t pfn_index,
245     int flag)
246 {
247 	pages_t		pgs_mapped = 0, pgs_cnt = 0;
248 	pages_t		pgs = pages;
249 	tsbnum_t	tsb_num = PCI_TSBID_TO_TSBNUM(tsbid);
250 	tsbindex_t	tsbindex = PCI_TSBID_TO_TSBINDEX(tsbid);
251 	io_page_list_t	*io_page_list_p, *ptr;
252 	int		i, err = DDI_SUCCESS;
253 	uint64_t	ret;
254 
255 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: dip 0x%p tsbid 0x%llx "
256 	    "pages 0x%x atrr 0x%x addr 0x%p pfn_index 0x%llx, flag 0x%x\n",
257 	    dip, tsbid, pages, io_attributes, addr, pfn_index, flag);
258 
259 	if ((ptr = kmem_zalloc((pages * sizeof (io_page_list_t)),
260 	    KM_NOSLEEP)) == NULL) {
261 		DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: kmem_zalloc failed\n");
262 		return (DDI_FAILURE);
263 	}
264 
265 	io_page_list_p = (io_page_list_t *)ptr;
266 
267 	if (flag == MMU_MAP_MP) {
268 		ddi_dma_impl_t	*mp = (ddi_dma_impl_t *)addr;
269 
270 		for (i = 0; i < pages; i++, pfn_index++) {
271 			px_iopfn_t pfn = PX_GET_MP_PFN(mp, pfn_index);
272 			io_page_list_p[i] = MMU_PTOB(pfn);
273 		}
274 	} else {
275 		caddr_t	a = (caddr_t)addr;
276 
277 		for (i = 0; i < pages; i++, a += MMU_PAGE_SIZE) {
278 			px_iopfn_t pfn = hat_getpfnum(kas.a_hat, a);
279 			io_page_list_p[i] = MMU_PTOB(pfn);
280 		}
281 	}
282 
283 	io_page_list_p = (io_page_list_t *)va_to_pa(ptr);
284 	pgs_mapped = 0;
285 
286 	while (pgs) {
287 		if ((ret = hvio_iommu_map(DIP_TO_HANDLE(dip),
288 		    PCI_TSBID(tsb_num, tsbindex), pgs, io_attributes,
289 		    io_page_list_p, &pgs_cnt)) != H_EOK) {
290 			DBG(DBG_LIB_DMA, dip,
291 			    "hvio_iommu_map failed, ret 0x%lx\n", ret);
292 			err = DDI_FAILURE;
293 			break;
294 		}
295 
296 		pgs_mapped += pgs_cnt;
297 		pgs -= pgs_cnt;
298 		tsbindex += pgs_cnt;
299 		io_page_list_p += pgs_cnt;
300 		pgs_cnt = 0;
301 	}
302 
303 	if ((err == DDI_FAILURE) && (pgs_mapped))
304 		(void) px_lib_iommu_demap(dip, tsbid, pgs_mapped);
305 
306 	kmem_free(ptr, (pages * sizeof (io_page_list_t)));
307 
308 	return (err);
309 }
310 
311 /*ARGSUSED*/
312 int
313 px_lib_iommu_demap(dev_info_t *dip, tsbid_t tsbid, pages_t pages)
314 {
315 	tsbnum_t	tsb_num = PCI_TSBID_TO_TSBNUM(tsbid);
316 	tsbindex_t	tsbindex = PCI_TSBID_TO_TSBINDEX(tsbid);
317 	pages_t		pgs_cnt = 0;
318 	uint64_t	ret;
319 
320 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_demap: dip 0x%p tsbid 0x%llx "
321 	    "pages 0x%x\n", dip, tsbid, pages);
322 
323 	while (pages) {
324 		if ((ret = hvio_iommu_demap(DIP_TO_HANDLE(dip),
325 		    PCI_TSBID(tsb_num, tsbindex), pages,
326 		    &pgs_cnt)) != H_EOK) {
327 			DBG(DBG_LIB_DMA, dip,
328 			    "hvio_iommu_demap failed, ret 0x%lx\n", ret);
329 			return (DDI_FAILURE);
330 		}
331 
332 		pages -= pgs_cnt;
333 		tsbindex += pgs_cnt;
334 		pgs_cnt = 0;
335 	}
336 
337 	return (DDI_SUCCESS);
338 }
339 
340 /*ARGSUSED*/
341 int
342 px_lib_iommu_getmap(dev_info_t *dip, tsbid_t tsbid,
343     io_attributes_t *attributes_p, r_addr_t *r_addr_p)
344 {
345 	uint64_t	ret;
346 
347 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getmap: dip 0x%p tsbid 0x%llx\n",
348 	    dip, tsbid);
349 
350 	if ((ret = hvio_iommu_getmap(DIP_TO_HANDLE(dip), tsbid,
351 	    attributes_p, r_addr_p)) != H_EOK) {
352 		DBG(DBG_LIB_DMA, dip,
353 		    "hvio_iommu_getmap failed, ret 0x%lx\n", ret);
354 
355 		return ((ret == H_ENOMAP) ? DDI_DMA_NOMAPPING:DDI_FAILURE);
356 	}
357 
358 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getmap: attr 0x%x r_addr 0x%llx\n",
359 	    *attributes_p, *r_addr_p);
360 
361 	return (DDI_SUCCESS);
362 }
363 
364 
365 /*
366  * Checks dma attributes against system bypass ranges
367  * A sun4v device must be capable of generating the entire 64-bit
368  * address in order to perform bypass DMA.
369  */
370 /*ARGSUSED*/
371 int
372 px_lib_dma_bypass_rngchk(ddi_dma_attr_t *attrp, uint64_t *lo_p, uint64_t *hi_p)
373 {
374 	if ((attrp->dma_attr_addr_lo != 0ull) ||
375 	    (attrp->dma_attr_addr_hi != UINT64_MAX)) {
376 
377 		return (DDI_DMA_BADATTR);
378 	}
379 
380 	*lo_p = 0ull;
381 	*hi_p = UINT64_MAX;
382 
383 	return (DDI_SUCCESS);
384 }
385 
386 
387 /*ARGSUSED*/
388 int
389 px_lib_iommu_getbypass(dev_info_t *dip, r_addr_t ra,
390     io_attributes_t io_attributes, io_addr_t *io_addr_p)
391 {
392 	uint64_t	ret;
393 
394 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: dip 0x%p ra 0x%llx "
395 	    "attr 0x%x\n", dip, ra, io_attributes);
396 
397 	if ((ret = hvio_iommu_getbypass(DIP_TO_HANDLE(dip), ra,
398 	    io_attributes, io_addr_p)) != H_EOK) {
399 		DBG(DBG_LIB_DMA, dip,
400 		    "hvio_iommu_getbypass failed, ret 0x%lx\n", ret);
401 		return (ret == H_ENOTSUPPORTED ? DDI_ENOTSUP : DDI_FAILURE);
402 	}
403 
404 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: io_addr 0x%llx\n",
405 	    *io_addr_p);
406 
407 	return (DDI_SUCCESS);
408 }
409 
410 /*ARGSUSED*/
411 int
412 px_lib_dma_sync(dev_info_t *dip, dev_info_t *rdip, ddi_dma_handle_t handle,
413 	off_t off, size_t len, uint_t cache_flags)
414 {
415 	ddi_dma_impl_t *mp = (ddi_dma_impl_t *)handle;
416 	uint64_t sync_dir;
417 	px_dvma_addr_t dvma_addr, pg_off;
418 	size_t num_sync;
419 	uint64_t status = H_EOK;
420 
421 	DBG(DBG_LIB_DMA, dip, "px_lib_dma_sync: dip 0x%p rdip 0x%p "
422 	    "handle 0x%llx off 0x%x len 0x%x flags 0x%x\n",
423 	    dip, rdip, handle, off, len, cache_flags);
424 
425 	if (!(mp->dmai_flags & DMAI_FLAGS_INUSE)) {
426 		cmn_err(CE_WARN, "%s%d: Unbound dma handle %p.",
427 		    ddi_driver_name(rdip), ddi_get_instance(rdip), (void *)mp);
428 		return (DDI_FAILURE);
429 	}
430 
431 	if (mp->dmai_flags & DMAI_FLAGS_NOSYNC)
432 		return (DDI_SUCCESS);
433 
434 	if (!len)
435 		len = mp->dmai_size;
436 
437 	pg_off = mp->dmai_offset;			/* start min */
438 	dvma_addr = MAX(off, pg_off);			/* lo */
439 	pg_off += mp->dmai_size;			/* end max */
440 	pg_off = MIN(off + len, pg_off);		/* hi */
441 	if (dvma_addr >= pg_off) {			/* lo >= hi ? */
442 		cmn_err(CE_WARN, "%s%d: %lx + %lx out of window [%lx,%lx]",
443 		    ddi_driver_name(rdip), ddi_get_instance(rdip),
444 		    off, len, mp->dmai_offset,
445 		    mp->dmai_offset + mp->dmai_size);
446 		return (DDI_FAILURE);
447 	}
448 
449 	len = pg_off - dvma_addr;			/* sz = hi - lo */
450 	dvma_addr += mp->dmai_mapping;			/* start addr */
451 
452 	if (mp->dmai_rflags & DDI_DMA_READ)
453 		sync_dir = HVIO_DMA_SYNC_DIR_FROM_DEV;
454 	else
455 		sync_dir = HVIO_DMA_SYNC_DIR_TO_DEV;
456 
457 	for (; ((len > 0) && (status == H_EOK)); len -= num_sync) {
458 		status = hvio_dma_sync(DIP_TO_HANDLE(dip), dvma_addr, len,
459 		    sync_dir, &num_sync);
460 		dvma_addr += num_sync;
461 	}
462 
463 	return ((status == H_EOK) ? DDI_SUCCESS : DDI_FAILURE);
464 }
465 
466 
467 /*
468  * MSIQ Functions:
469  */
470 
471 /*ARGSUSED*/
472 int
473 px_lib_msiq_init(dev_info_t *dip)
474 {
475 	px_t		*px_p = DIP_TO_STATE(dip);
476 	px_msiq_state_t	*msiq_state_p = &px_p->px_ib_p->ib_msiq_state;
477 	uint64_t	*msiq_addr, ra;
478 	size_t		msiq_size;
479 	uint_t		rec_cnt;
480 	int		i, err = DDI_SUCCESS;
481 	uint64_t	ret;
482 
483 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_init: dip 0x%p\n", dip);
484 
485 	msiq_addr = (uint64_t *)(((uint64_t)msiq_state_p->msiq_buf_p +
486 	    (MMU_PAGE_SIZE - 1)) >> MMU_PAGE_SHIFT << MMU_PAGE_SHIFT);
487 
488 	msiq_size = msiq_state_p->msiq_rec_cnt * sizeof (msiq_rec_t);
489 
490 	for (i = 0; i < msiq_state_p->msiq_cnt; i++) {
491 		ra = (r_addr_t)va_to_pa((caddr_t)msiq_addr + (i * msiq_size));
492 
493 		if ((ret = hvio_msiq_conf(DIP_TO_HANDLE(dip),
494 		    (i + msiq_state_p->msiq_1st_msiq_id),
495 		    ra, msiq_state_p->msiq_rec_cnt)) != H_EOK) {
496 			DBG(DBG_LIB_MSIQ, dip,
497 			    "hvio_msiq_conf failed, ret 0x%lx\n", ret);
498 			err = DDI_FAILURE;
499 			break;
500 		}
501 
502 		if ((err = px_lib_msiq_info(dip,
503 		    (i + msiq_state_p->msiq_1st_msiq_id),
504 		    &ra, &rec_cnt)) != DDI_SUCCESS) {
505 			DBG(DBG_LIB_MSIQ, dip,
506 			    "px_lib_msiq_info failed, ret 0x%x\n", err);
507 			err = DDI_FAILURE;
508 			break;
509 		}
510 
511 		DBG(DBG_LIB_MSIQ, dip,
512 		    "px_lib_msiq_init: ra 0x%p rec_cnt 0x%x\n", ra, rec_cnt);
513 	}
514 
515 	return (err);
516 }
517 
518 /*ARGSUSED*/
519 int
520 px_lib_msiq_fini(dev_info_t *dip)
521 {
522 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_fini: dip 0x%p\n", dip);
523 
524 	return (DDI_SUCCESS);
525 }
526 
527 /*ARGSUSED*/
528 int
529 px_lib_msiq_info(dev_info_t *dip, msiqid_t msiq_id, r_addr_t *ra_p,
530     uint_t *msiq_rec_cnt_p)
531 {
532 	uint64_t	ret;
533 
534 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: dip 0x%p msiq_id 0x%x\n",
535 	    dip, msiq_id);
536 
537 	if ((ret = hvio_msiq_info(DIP_TO_HANDLE(dip),
538 	    msiq_id, ra_p, msiq_rec_cnt_p)) != H_EOK) {
539 		DBG(DBG_LIB_MSIQ, dip,
540 		    "hvio_msiq_info failed, ret 0x%lx\n", ret);
541 		return (DDI_FAILURE);
542 	}
543 
544 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: ra_p 0x%p msiq_rec_cnt 0x%x\n",
545 	    ra_p, *msiq_rec_cnt_p);
546 
547 	return (DDI_SUCCESS);
548 }
549 
550 /*ARGSUSED*/
551 int
552 px_lib_msiq_getvalid(dev_info_t *dip, msiqid_t msiq_id,
553     pci_msiq_valid_state_t *msiq_valid_state)
554 {
555 	uint64_t	ret;
556 
557 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: dip 0x%p msiq_id 0x%x\n",
558 	    dip, msiq_id);
559 
560 	if ((ret = hvio_msiq_getvalid(DIP_TO_HANDLE(dip),
561 	    msiq_id, msiq_valid_state)) != H_EOK) {
562 		DBG(DBG_LIB_MSIQ, dip,
563 		    "hvio_msiq_getvalid failed, ret 0x%lx\n", ret);
564 		return (DDI_FAILURE);
565 	}
566 
567 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: msiq_valid_state 0x%x\n",
568 	    *msiq_valid_state);
569 
570 	return (DDI_SUCCESS);
571 }
572 
573 /*ARGSUSED*/
574 int
575 px_lib_msiq_setvalid(dev_info_t *dip, msiqid_t msiq_id,
576     pci_msiq_valid_state_t msiq_valid_state)
577 {
578 	uint64_t	ret;
579 
580 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_setvalid: dip 0x%p msiq_id 0x%x "
581 	    "msiq_valid_state 0x%x\n", dip, msiq_id, msiq_valid_state);
582 
583 	if ((ret = hvio_msiq_setvalid(DIP_TO_HANDLE(dip),
584 	    msiq_id, msiq_valid_state)) != H_EOK) {
585 		DBG(DBG_LIB_MSIQ, dip,
586 		    "hvio_msiq_setvalid failed, ret 0x%lx\n", ret);
587 		return (DDI_FAILURE);
588 	}
589 
590 	return (DDI_SUCCESS);
591 }
592 
593 /*ARGSUSED*/
594 int
595 px_lib_msiq_getstate(dev_info_t *dip, msiqid_t msiq_id,
596     pci_msiq_state_t *msiq_state)
597 {
598 	uint64_t	ret;
599 
600 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: dip 0x%p msiq_id 0x%x\n",
601 	    dip, msiq_id);
602 
603 	if ((ret = hvio_msiq_getstate(DIP_TO_HANDLE(dip),
604 	    msiq_id, msiq_state)) != H_EOK) {
605 		DBG(DBG_LIB_MSIQ, dip,
606 		    "hvio_msiq_getstate failed, ret 0x%lx\n", ret);
607 		return (DDI_FAILURE);
608 	}
609 
610 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: msiq_state 0x%x\n",
611 	    *msiq_state);
612 
613 	return (DDI_SUCCESS);
614 }
615 
616 /*ARGSUSED*/
617 int
618 px_lib_msiq_setstate(dev_info_t *dip, msiqid_t msiq_id,
619     pci_msiq_state_t msiq_state)
620 {
621 	uint64_t	ret;
622 
623 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_setstate: dip 0x%p msiq_id 0x%x "
624 	    "msiq_state 0x%x\n", dip, msiq_id, msiq_state);
625 
626 	if ((ret = hvio_msiq_setstate(DIP_TO_HANDLE(dip),
627 	    msiq_id, msiq_state)) != H_EOK) {
628 		DBG(DBG_LIB_MSIQ, dip,
629 		    "hvio_msiq_setstate failed, ret 0x%lx\n", ret);
630 		return (DDI_FAILURE);
631 	}
632 
633 	return (DDI_SUCCESS);
634 }
635 
636 /*ARGSUSED*/
637 int
638 px_lib_msiq_gethead(dev_info_t *dip, msiqid_t msiq_id,
639     msiqhead_t *msiq_head_p)
640 {
641 	uint64_t	ret;
642 
643 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gethead: dip 0x%p msiq_id 0x%x\n",
644 	    dip, msiq_id);
645 
646 	if ((ret = hvio_msiq_gethead(DIP_TO_HANDLE(dip),
647 	    msiq_id, msiq_head_p)) != H_EOK) {
648 		DBG(DBG_LIB_MSIQ, dip,
649 		    "hvio_msiq_gethead failed, ret 0x%lx\n", ret);
650 		return (DDI_FAILURE);
651 	}
652 
653 	*msiq_head_p =  (*msiq_head_p / sizeof (msiq_rec_t));
654 
655 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_gethead: msiq_head 0x%x\n",
656 	    *msiq_head_p);
657 
658 	return (DDI_SUCCESS);
659 }
660 
661 /*ARGSUSED*/
662 int
663 px_lib_msiq_sethead(dev_info_t *dip, msiqid_t msiq_id,
664     msiqhead_t msiq_head)
665 {
666 	uint64_t	ret;
667 
668 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_sethead: dip 0x%p msiq_id 0x%x "
669 	    "msiq_head 0x%x\n", dip, msiq_id, msiq_head);
670 
671 	if ((ret = hvio_msiq_sethead(DIP_TO_HANDLE(dip),
672 	    msiq_id, msiq_head * sizeof (msiq_rec_t))) != H_EOK) {
673 		DBG(DBG_LIB_MSIQ, dip,
674 		    "hvio_msiq_sethead failed, ret 0x%lx\n", ret);
675 		return (DDI_FAILURE);
676 	}
677 
678 	return (DDI_SUCCESS);
679 }
680 
681 /*ARGSUSED*/
682 int
683 px_lib_msiq_gettail(dev_info_t *dip, msiqid_t msiq_id,
684     msiqtail_t *msiq_tail_p)
685 {
686 	uint64_t	ret;
687 
688 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: dip 0x%p msiq_id 0x%x\n",
689 	    dip, msiq_id);
690 
691 	if ((ret = hvio_msiq_gettail(DIP_TO_HANDLE(dip),
692 	    msiq_id, msiq_tail_p)) != H_EOK) {
693 		DBG(DBG_LIB_MSIQ, dip,
694 		    "hvio_msiq_gettail failed, ret 0x%lx\n", ret);
695 		return (DDI_FAILURE);
696 	}
697 
698 	*msiq_tail_p =  (*msiq_tail_p / sizeof (msiq_rec_t));
699 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: msiq_tail 0x%x\n",
700 	    *msiq_tail_p);
701 
702 	return (DDI_SUCCESS);
703 }
704 
705 /*ARGSUSED*/
706 void
707 px_lib_get_msiq_rec(dev_info_t *dip, px_msiq_t *msiq_p, msiq_rec_t *msiq_rec_p)
708 {
709 	msiq_rec_t	*curr_msiq_rec_p = (msiq_rec_t *)msiq_p->msiq_curr;
710 
711 	DBG(DBG_LIB_MSIQ, dip, "px_lib_get_msiq_rec: dip 0x%p\n", dip);
712 
713 	if (!curr_msiq_rec_p->msiq_rec_type)
714 		return;
715 
716 	*msiq_rec_p = *curr_msiq_rec_p;
717 
718 	/* Zero out msiq_rec_type field */
719 	curr_msiq_rec_p->msiq_rec_type  = 0;
720 }
721 
722 /*
723  * MSI Functions:
724  */
725 
726 /*ARGSUSED*/
727 int
728 px_lib_msi_init(dev_info_t *dip)
729 {
730 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_init: dip 0x%p\n", dip);
731 
732 	/* Noop */
733 	return (DDI_SUCCESS);
734 }
735 
736 /*ARGSUSED*/
737 int
738 px_lib_msi_getmsiq(dev_info_t *dip, msinum_t msi_num,
739     msiqid_t *msiq_id)
740 {
741 	uint64_t	ret;
742 
743 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: dip 0x%p msi_num 0x%x\n",
744 	    dip, msi_num);
745 
746 	if ((ret = hvio_msi_getmsiq(DIP_TO_HANDLE(dip),
747 	    msi_num, msiq_id)) != H_EOK) {
748 		DBG(DBG_LIB_MSI, dip,
749 		    "hvio_msi_getmsiq failed, ret 0x%lx\n", ret);
750 		return (DDI_FAILURE);
751 	}
752 
753 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: msiq_id 0x%x\n",
754 	    *msiq_id);
755 
756 	return (DDI_SUCCESS);
757 }
758 
759 /*ARGSUSED*/
760 int
761 px_lib_msi_setmsiq(dev_info_t *dip, msinum_t msi_num,
762     msiqid_t msiq_id, msi_type_t msitype)
763 {
764 	uint64_t	ret;
765 
766 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setmsiq: dip 0x%p msi_num 0x%x "
767 	    "msq_id 0x%x\n", dip, msi_num, msiq_id);
768 
769 	if ((ret = hvio_msi_setmsiq(DIP_TO_HANDLE(dip),
770 	    msi_num, msiq_id, msitype)) != H_EOK) {
771 		DBG(DBG_LIB_MSI, dip,
772 		    "hvio_msi_setmsiq failed, ret 0x%lx\n", ret);
773 		return (DDI_FAILURE);
774 	}
775 
776 	return (DDI_SUCCESS);
777 }
778 
779 /*ARGSUSED*/
780 int
781 px_lib_msi_getvalid(dev_info_t *dip, msinum_t msi_num,
782     pci_msi_valid_state_t *msi_valid_state)
783 {
784 	uint64_t	ret;
785 
786 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: dip 0x%p msi_num 0x%x\n",
787 	    dip, msi_num);
788 
789 	if ((ret = hvio_msi_getvalid(DIP_TO_HANDLE(dip),
790 	    msi_num, msi_valid_state)) != H_EOK) {
791 		DBG(DBG_LIB_MSI, dip,
792 		    "hvio_msi_getvalid failed, ret 0x%lx\n", ret);
793 		return (DDI_FAILURE);
794 	}
795 
796 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: msiq_id 0x%x\n",
797 	    *msi_valid_state);
798 
799 	return (DDI_SUCCESS);
800 }
801 
802 /*ARGSUSED*/
803 int
804 px_lib_msi_setvalid(dev_info_t *dip, msinum_t msi_num,
805     pci_msi_valid_state_t msi_valid_state)
806 {
807 	uint64_t	ret;
808 
809 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setvalid: dip 0x%p msi_num 0x%x "
810 	    "msi_valid_state 0x%x\n", dip, msi_num, msi_valid_state);
811 
812 	if ((ret = hvio_msi_setvalid(DIP_TO_HANDLE(dip),
813 	    msi_num, msi_valid_state)) != H_EOK) {
814 		DBG(DBG_LIB_MSI, dip,
815 		    "hvio_msi_setvalid failed, ret 0x%lx\n", ret);
816 		return (DDI_FAILURE);
817 	}
818 
819 	return (DDI_SUCCESS);
820 }
821 
822 /*ARGSUSED*/
823 int
824 px_lib_msi_getstate(dev_info_t *dip, msinum_t msi_num,
825     pci_msi_state_t *msi_state)
826 {
827 	uint64_t	ret;
828 
829 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: dip 0x%p msi_num 0x%x\n",
830 	    dip, msi_num);
831 
832 	if ((ret = hvio_msi_getstate(DIP_TO_HANDLE(dip),
833 	    msi_num, msi_state)) != H_EOK) {
834 		DBG(DBG_LIB_MSI, dip,
835 		    "hvio_msi_getstate failed, ret 0x%lx\n", ret);
836 		return (DDI_FAILURE);
837 	}
838 
839 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: msi_state 0x%x\n",
840 	    *msi_state);
841 
842 	return (DDI_SUCCESS);
843 }
844 
845 /*ARGSUSED*/
846 int
847 px_lib_msi_setstate(dev_info_t *dip, msinum_t msi_num,
848     pci_msi_state_t msi_state)
849 {
850 	uint64_t	ret;
851 
852 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setstate: dip 0x%p msi_num 0x%x "
853 	    "msi_state 0x%x\n", dip, msi_num, msi_state);
854 
855 	if ((ret = hvio_msi_setstate(DIP_TO_HANDLE(dip),
856 	    msi_num, msi_state)) != H_EOK) {
857 		DBG(DBG_LIB_MSI, dip,
858 		    "hvio_msi_setstate failed, ret 0x%lx\n", ret);
859 		return (DDI_FAILURE);
860 	}
861 
862 	return (DDI_SUCCESS);
863 }
864 
865 /*
866  * MSG Functions:
867  */
868 
869 /*ARGSUSED*/
870 int
871 px_lib_msg_getmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
872     msiqid_t *msiq_id)
873 {
874 	uint64_t	ret;
875 
876 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_getmsiq: dip 0x%p msg_type 0x%x\n",
877 	    dip, msg_type);
878 
879 	if ((ret = hvio_msg_getmsiq(DIP_TO_HANDLE(dip),
880 	    msg_type, msiq_id)) != H_EOK) {
881 		DBG(DBG_LIB_MSG, dip,
882 		    "hvio_msg_getmsiq failed, ret 0x%lx\n", ret);
883 		return (DDI_FAILURE);
884 	}
885 
886 	DBG(DBG_LIB_MSI, dip, "px_lib_msg_getmsiq: msiq_id 0x%x\n",
887 	    *msiq_id);
888 
889 	return (DDI_SUCCESS);
890 }
891 
892 /*ARGSUSED*/
893 int
894 px_lib_msg_setmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
895     msiqid_t msiq_id)
896 {
897 	uint64_t	ret;
898 
899 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_setmsiq: dip 0x%p msg_type 0x%x "
900 	    "msq_id 0x%x\n", dip, msg_type, msiq_id);
901 
902 	if ((ret = hvio_msg_setmsiq(DIP_TO_HANDLE(dip),
903 	    msg_type, msiq_id)) != H_EOK) {
904 		DBG(DBG_LIB_MSG, dip,
905 		    "hvio_msg_setmsiq failed, ret 0x%lx\n", ret);
906 		return (DDI_FAILURE);
907 	}
908 
909 	return (DDI_SUCCESS);
910 }
911 
912 /*ARGSUSED*/
913 int
914 px_lib_msg_getvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
915     pcie_msg_valid_state_t *msg_valid_state)
916 {
917 	uint64_t	ret;
918 
919 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_getvalid: dip 0x%p msg_type 0x%x\n",
920 	    dip, msg_type);
921 
922 	if ((ret = hvio_msg_getvalid(DIP_TO_HANDLE(dip), msg_type,
923 	    msg_valid_state)) != H_EOK) {
924 		DBG(DBG_LIB_MSG, dip,
925 		    "hvio_msg_getvalid failed, ret 0x%lx\n", ret);
926 		return (DDI_FAILURE);
927 	}
928 
929 	DBG(DBG_LIB_MSI, dip, "px_lib_msg_getvalid: msg_valid_state 0x%x\n",
930 	    *msg_valid_state);
931 
932 	return (DDI_SUCCESS);
933 }
934 
935 /*ARGSUSED*/
936 int
937 px_lib_msg_setvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
938     pcie_msg_valid_state_t msg_valid_state)
939 {
940 	uint64_t	ret;
941 
942 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_setvalid: dip 0x%p msg_type 0x%x "
943 	    "msg_valid_state 0x%x\n", dip, msg_type, msg_valid_state);
944 
945 	if ((ret = hvio_msg_setvalid(DIP_TO_HANDLE(dip), msg_type,
946 	    msg_valid_state)) != H_EOK) {
947 		DBG(DBG_LIB_MSG, dip,
948 		    "hvio_msg_setvalid failed, ret 0x%lx\n", ret);
949 		return (DDI_FAILURE);
950 	}
951 
952 	return (DDI_SUCCESS);
953 }
954 
955 /*
956  * Suspend/Resume Functions:
957  * Currently unsupported by hypervisor and all functions are noops.
958  */
959 /*ARGSUSED*/
960 int
961 px_lib_suspend(dev_info_t *dip)
962 {
963 	DBG(DBG_ATTACH, dip, "px_lib_suspend: Not supported\n");
964 
965 	/* Not supported */
966 	return (DDI_FAILURE);
967 }
968 
969 /*ARGSUSED*/
970 void
971 px_lib_resume(dev_info_t *dip)
972 {
973 	DBG(DBG_ATTACH, dip, "px_lib_resume: Not supported\n");
974 
975 	/* Noop */
976 }
977 
978 /*
979  * Misc Functions:
980  * Currently unsupported by hypervisor and all functions are noops.
981  */
982 /*ARGSUSED*/
983 uint64_t
984 px_lib_get_cb(dev_info_t *dip)
985 {
986 	return (DDI_SUCCESS);
987 }
988 
989 /*ARGSUSED*/
990 void
991 px_lib_set_cb(dev_info_t *dip, uint64_t val)
992 {
993 	/* Noop */
994 }
995 
996 /*ARGSUSED*/
997 static int
998 px_lib_config_get(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off,
999     uint8_t size, pci_cfg_data_t *data_p)
1000 {
1001 	uint64_t	ret;
1002 
1003 	DBG(DBG_LIB_CFG, dip, "px_lib_config_get: dip 0x%p, bdf 0x%llx "
1004 	    "off 0x%x size 0x%x\n", dip, bdf, off, size);
1005 
1006 	if ((ret = hvio_config_get(DIP_TO_HANDLE(dip), bdf, off,
1007 	    size, data_p)) != H_EOK) {
1008 		DBG(DBG_LIB_CFG, dip,
1009 		    "hvio_config_get failed, ret 0x%lx\n", ret);
1010 		return (DDI_FAILURE);
1011 	}
1012 	DBG(DBG_LIB_CFG, dip, "px_config_get: data 0x%x\n", data_p->dw);
1013 
1014 	return (DDI_SUCCESS);
1015 }
1016 
1017 /*ARGSUSED*/
1018 static int
1019 px_lib_config_put(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off,
1020     uint8_t size, pci_cfg_data_t data)
1021 {
1022 	uint64_t	ret;
1023 
1024 	DBG(DBG_LIB_CFG, dip, "px_lib_config_put: dip 0x%p, bdf 0x%llx "
1025 	    "off 0x%x size 0x%x data 0x%llx\n", dip, bdf, off, size, data.qw);
1026 
1027 	if ((ret = hvio_config_put(DIP_TO_HANDLE(dip), bdf, off,
1028 	    size, data)) != H_EOK) {
1029 		DBG(DBG_LIB_CFG, dip,
1030 		    "hvio_config_put failed, ret 0x%lx\n", ret);
1031 		return (DDI_FAILURE);
1032 	}
1033 
1034 	return (DDI_SUCCESS);
1035 }
1036 
1037 static uint32_t
1038 px_pci_config_get(ddi_acc_impl_t *handle, uint32_t *addr, int size)
1039 {
1040 	px_config_acc_pvt_t	*px_pvt = (px_config_acc_pvt_t *)
1041 					handle->ahi_common.ah_bus_private;
1042 	uint32_t pci_dev_addr = px_pvt->raddr;
1043 	uint32_t vaddr = px_pvt->vaddr;
1044 	uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff;
1045 	uint32_t rdata = 0;
1046 
1047 	if (px_lib_config_get(px_pvt->dip, pci_dev_addr, off,
1048 				size, (pci_cfg_data_t *)&rdata) != DDI_SUCCESS)
1049 		/* XXX update error kstats */
1050 		return (0xffffffff);
1051 	return (rdata);
1052 }
1053 
1054 static void
1055 px_pci_config_put(ddi_acc_impl_t *handle, uint32_t *addr,
1056 		int size, pci_cfg_data_t wdata)
1057 {
1058 	px_config_acc_pvt_t	*px_pvt = (px_config_acc_pvt_t *)
1059 					handle->ahi_common.ah_bus_private;
1060 	uint32_t pci_dev_addr = px_pvt->raddr;
1061 	uint32_t vaddr = px_pvt->vaddr;
1062 	uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff;
1063 
1064 	if (px_lib_config_put(px_pvt->dip, pci_dev_addr, off,
1065 				size, wdata) != DDI_SUCCESS) {
1066 		/*EMPTY*/
1067 		/* XXX update error kstats */
1068 	}
1069 }
1070 
1071 static uint8_t
1072 px_pci_config_get8(ddi_acc_impl_t *handle, uint8_t *addr)
1073 {
1074 	return ((uint8_t)px_pci_config_get(handle, (uint32_t *)addr, 1));
1075 }
1076 
1077 static uint16_t
1078 px_pci_config_get16(ddi_acc_impl_t *handle, uint16_t *addr)
1079 {
1080 	return ((uint16_t)px_pci_config_get(handle, (uint32_t *)addr, 2));
1081 }
1082 
1083 static uint32_t
1084 px_pci_config_get32(ddi_acc_impl_t *handle, uint32_t *addr)
1085 {
1086 	return ((uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4));
1087 }
1088 
1089 static uint64_t
1090 px_pci_config_get64(ddi_acc_impl_t *handle, uint64_t *addr)
1091 {
1092 	uint32_t rdatah, rdatal;
1093 
1094 	rdatal = (uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4);
1095 	rdatah = (uint32_t)px_pci_config_get(handle,
1096 				(uint32_t *)((char *)addr+4), 4);
1097 	return (((uint64_t)rdatah << 32) | rdatal);
1098 }
1099 
1100 static void
1101 px_pci_config_put8(ddi_acc_impl_t *handle, uint8_t *addr, uint8_t data)
1102 {
1103 	pci_cfg_data_t wdata = { 0 };
1104 
1105 	wdata.qw = (uint8_t)data;
1106 	px_pci_config_put(handle, (uint32_t *)addr, 1, wdata);
1107 }
1108 
1109 static void
1110 px_pci_config_put16(ddi_acc_impl_t *handle, uint16_t *addr, uint16_t data)
1111 {
1112 	pci_cfg_data_t wdata = { 0 };
1113 
1114 	wdata.qw = (uint16_t)data;
1115 	px_pci_config_put(handle, (uint32_t *)addr, 2, wdata);
1116 }
1117 
1118 static void
1119 px_pci_config_put32(ddi_acc_impl_t *handle, uint32_t *addr, uint32_t data)
1120 {
1121 	pci_cfg_data_t wdata = { 0 };
1122 
1123 	wdata.qw = (uint32_t)data;
1124 	px_pci_config_put(handle, (uint32_t *)addr, 4, wdata);
1125 }
1126 
1127 static void
1128 px_pci_config_put64(ddi_acc_impl_t *handle, uint64_t *addr, uint64_t data)
1129 {
1130 	pci_cfg_data_t wdata = { 0 };
1131 
1132 	wdata.qw = (uint32_t)(data & 0xffffffff);
1133 	px_pci_config_put(handle, (uint32_t *)addr, 4, wdata);
1134 	wdata.qw = (uint32_t)((data >> 32) & 0xffffffff);
1135 	px_pci_config_put(handle, (uint32_t *)((char *)addr+4), 4, wdata);
1136 }
1137 
1138 static void
1139 px_pci_config_rep_get8(ddi_acc_impl_t *handle, uint8_t *host_addr,
1140 			uint8_t *dev_addr, size_t repcount, uint_t flags)
1141 {
1142 	if (flags == DDI_DEV_AUTOINCR)
1143 		for (; repcount; repcount--)
1144 			*host_addr++ = px_pci_config_get8(handle, dev_addr++);
1145 	else
1146 		for (; repcount; repcount--)
1147 			*host_addr++ = px_pci_config_get8(handle, dev_addr);
1148 }
1149 
1150 /*
1151  * Function to rep read 16 bit data off the PCI configuration space behind
1152  * the 21554's host interface.
1153  */
1154 static void
1155 px_pci_config_rep_get16(ddi_acc_impl_t *handle, uint16_t *host_addr,
1156 			uint16_t *dev_addr, size_t repcount, uint_t flags)
1157 {
1158 	if (flags == DDI_DEV_AUTOINCR)
1159 		for (; repcount; repcount--)
1160 			*host_addr++ = px_pci_config_get16(handle, dev_addr++);
1161 	else
1162 		for (; repcount; repcount--)
1163 			*host_addr++ = px_pci_config_get16(handle, dev_addr);
1164 }
1165 
1166 /*
1167  * Function to rep read 32 bit data off the PCI configuration space behind
1168  * the 21554's host interface.
1169  */
1170 static void
1171 px_pci_config_rep_get32(ddi_acc_impl_t *handle, uint32_t *host_addr,
1172 			uint32_t *dev_addr, size_t repcount, uint_t flags)
1173 {
1174 	if (flags == DDI_DEV_AUTOINCR)
1175 		for (; repcount; repcount--)
1176 			*host_addr++ = px_pci_config_get32(handle, dev_addr++);
1177 	else
1178 		for (; repcount; repcount--)
1179 			*host_addr++ = px_pci_config_get32(handle, dev_addr);
1180 }
1181 
1182 /*
1183  * Function to rep read 64 bit data off the PCI configuration space behind
1184  * the 21554's host interface.
1185  */
1186 static void
1187 px_pci_config_rep_get64(ddi_acc_impl_t *handle, uint64_t *host_addr,
1188 			uint64_t *dev_addr, size_t repcount, uint_t flags)
1189 {
1190 	if (flags == DDI_DEV_AUTOINCR)
1191 		for (; repcount; repcount--)
1192 			*host_addr++ = px_pci_config_get64(handle, dev_addr++);
1193 	else
1194 		for (; repcount; repcount--)
1195 			*host_addr++ = px_pci_config_get64(handle, dev_addr);
1196 }
1197 
1198 /*
1199  * Function to rep write 8 bit data into the PCI configuration space behind
1200  * the 21554's host interface.
1201  */
1202 static void
1203 px_pci_config_rep_put8(ddi_acc_impl_t *handle, uint8_t *host_addr,
1204 			uint8_t *dev_addr, size_t repcount, uint_t flags)
1205 {
1206 	if (flags == DDI_DEV_AUTOINCR)
1207 		for (; repcount; repcount--)
1208 			px_pci_config_put8(handle, dev_addr++, *host_addr++);
1209 	else
1210 		for (; repcount; repcount--)
1211 			px_pci_config_put8(handle, dev_addr, *host_addr++);
1212 }
1213 
1214 /*
1215  * Function to rep write 16 bit data into the PCI configuration space behind
1216  * the 21554's host interface.
1217  */
1218 static void
1219 px_pci_config_rep_put16(ddi_acc_impl_t *handle, uint16_t *host_addr,
1220 			uint16_t *dev_addr, size_t repcount, uint_t flags)
1221 {
1222 	if (flags == DDI_DEV_AUTOINCR)
1223 		for (; repcount; repcount--)
1224 			px_pci_config_put16(handle, dev_addr++, *host_addr++);
1225 	else
1226 		for (; repcount; repcount--)
1227 			px_pci_config_put16(handle, dev_addr, *host_addr++);
1228 }
1229 
1230 /*
1231  * Function to rep write 32 bit data into the PCI configuration space behind
1232  * the 21554's host interface.
1233  */
1234 static void
1235 px_pci_config_rep_put32(ddi_acc_impl_t *handle, uint32_t *host_addr,
1236 			uint32_t *dev_addr, size_t repcount, uint_t flags)
1237 {
1238 	if (flags == DDI_DEV_AUTOINCR)
1239 		for (; repcount; repcount--)
1240 			px_pci_config_put32(handle, dev_addr++, *host_addr++);
1241 	else
1242 		for (; repcount; repcount--)
1243 			px_pci_config_put32(handle, dev_addr, *host_addr++);
1244 }
1245 
1246 /*
1247  * Function to rep write 64 bit data into the PCI configuration space behind
1248  * the 21554's host interface.
1249  */
1250 static void
1251 px_pci_config_rep_put64(ddi_acc_impl_t *handle, uint64_t *host_addr,
1252 			uint64_t *dev_addr, size_t repcount, uint_t flags)
1253 {
1254 	if (flags == DDI_DEV_AUTOINCR)
1255 		for (; repcount; repcount--)
1256 			px_pci_config_put64(handle, dev_addr++, *host_addr++);
1257 	else
1258 		for (; repcount; repcount--)
1259 			px_pci_config_put64(handle, dev_addr, *host_addr++);
1260 }
1261 
1262 /*
1263  * Provide a private access handle to route config access calls to Hypervisor.
1264  * Beware: Do all error checking for config space accesses before calling
1265  * this function. ie. do error checking from the calling function.
1266  * Due to a lack of meaningful error code in DDI, the gauranteed return of
1267  * DDI_SUCCESS from here makes the code organization readable/easier from
1268  * the generic code.
1269  */
1270 /*ARGSUSED*/
1271 int
1272 px_lib_map_vconfig(dev_info_t *dip,
1273 	ddi_map_req_t *mp, pci_config_offset_t off,
1274 	pci_regspec_t *rp, caddr_t *addrp)
1275 {
1276 	ddi_acc_hdl_t *hp;
1277 	ddi_acc_impl_t *ap;
1278 	uchar_t busnum;	/* bus number */
1279 	uchar_t devnum;	/* device number */
1280 	uchar_t funcnum; /* function number */
1281 	px_config_acc_pvt_t *px_pvt;
1282 
1283 	hp = (ddi_acc_hdl_t *)mp->map_handlep;
1284 	ap = (ddi_acc_impl_t *)hp->ah_platform_private;
1285 
1286 	/* Check for mapping teardown operation */
1287 	if ((mp->map_op == DDI_MO_UNMAP) ||
1288 			(mp->map_op == DDI_MO_UNLOCK)) {
1289 		/* free up memory allocated for the private access handle. */
1290 		px_pvt = (px_config_acc_pvt_t *)hp->ah_bus_private;
1291 		kmem_free((void *)px_pvt, sizeof (px_config_acc_pvt_t));
1292 
1293 		/* unmap operation of PCI IO/config space. */
1294 		return (DDI_SUCCESS);
1295 	}
1296 
1297 	ap->ahi_get8 = px_pci_config_get8;
1298 	ap->ahi_get16 = px_pci_config_get16;
1299 	ap->ahi_get32 = px_pci_config_get32;
1300 	ap->ahi_get64 = px_pci_config_get64;
1301 	ap->ahi_put8 = px_pci_config_put8;
1302 	ap->ahi_put16 = px_pci_config_put16;
1303 	ap->ahi_put32 = px_pci_config_put32;
1304 	ap->ahi_put64 = px_pci_config_put64;
1305 	ap->ahi_rep_get8 = px_pci_config_rep_get8;
1306 	ap->ahi_rep_get16 = px_pci_config_rep_get16;
1307 	ap->ahi_rep_get32 = px_pci_config_rep_get32;
1308 	ap->ahi_rep_get64 = px_pci_config_rep_get64;
1309 	ap->ahi_rep_put8 = px_pci_config_rep_put8;
1310 	ap->ahi_rep_put16 = px_pci_config_rep_put16;
1311 	ap->ahi_rep_put32 = px_pci_config_rep_put32;
1312 	ap->ahi_rep_put64 = px_pci_config_rep_put64;
1313 
1314 	/* Initialize to default check/notify functions */
1315 	ap->ahi_fault = 0;
1316 	ap->ahi_fault_check = i_ddi_acc_fault_check;
1317 	ap->ahi_fault_notify = i_ddi_acc_fault_notify;
1318 
1319 	/* allocate memory for our private handle */
1320 	px_pvt = (px_config_acc_pvt_t *)
1321 			kmem_zalloc(sizeof (px_config_acc_pvt_t), KM_SLEEP);
1322 	hp->ah_bus_private = (void *)px_pvt;
1323 
1324 	busnum = PCI_REG_BUS_G(rp->pci_phys_hi);
1325 	devnum = PCI_REG_DEV_G(rp->pci_phys_hi);
1326 	funcnum = PCI_REG_FUNC_G(rp->pci_phys_hi);
1327 
1328 	/* set up private data for use during IO routines */
1329 
1330 	/* addr needed by the HV APIs */
1331 	px_pvt->raddr = busnum << 16 | devnum << 11 | funcnum << 8;
1332 	/*
1333 	 * Address that specifies the actual offset into the 256MB
1334 	 * memory mapped configuration space, 4K per device.
1335 	 * First 12bits form the offset into 4K config space.
1336 	 * This address is only used during the IO routines to calculate
1337 	 * the offset at which the transaction must be performed.
1338 	 * Drivers bypassing DDI functions to access PCI config space will
1339 	 * panic the system since the following is a bogus virtual address.
1340 	 */
1341 	px_pvt->vaddr = busnum << 20 | devnum << 15 | funcnum << 12 | off;
1342 	px_pvt->dip = dip;
1343 
1344 	DBG(DBG_LIB_CFG, dip, "px_config_setup: raddr 0x%x, vaddr 0x%x\n",
1345 				px_pvt->raddr, px_pvt->vaddr);
1346 	*addrp = (caddr_t)(uintptr_t)px_pvt->vaddr;
1347 	return (DDI_SUCCESS);
1348 }
1349 
1350 /*ARGSUSED*/
1351 void
1352 px_lib_map_attr_check(ddi_map_req_t *mp)
1353 {
1354 }
1355 
1356 /*
1357  * px_lib_log_safeacc_err:
1358  * Imitate a cpu/mem trap call when a peek/poke fails.
1359  * This will initiate something similar to px_fm_callback.
1360  */
1361 static void
1362 px_lib_log_safeacc_err(px_t *px_p, ddi_acc_handle_t handle, int fme_flag)
1363 {
1364 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)handle;
1365 	px_cb_t	*cb_p = px_p->px_cb_p;
1366 	ddi_fm_error_t derr;
1367 
1368 	derr.fme_status = DDI_FM_NONFATAL;
1369 	derr.fme_version = DDI_FME_VERSION;
1370 	derr.fme_flag = fme_flag;
1371 	derr.fme_ena = fm_ena_generate(0, FM_ENA_FMT1);
1372 	derr.fme_acc_handle = handle;
1373 	if (hp)
1374 		hp->ahi_err->err_expected = DDI_FM_ERR_EXPECTED;
1375 
1376 	mutex_enter(&cb_p->xbc_fm_mutex);
1377 
1378 	(void) ndi_fm_handler_dispatch(px_p->px_dip, NULL, &derr);
1379 
1380 	mutex_exit(&cb_p->xbc_fm_mutex);
1381 }
1382 
1383 
1384 #ifdef  DEBUG
1385 int	px_peekfault_cnt = 0;
1386 int	px_pokefault_cnt = 0;
1387 #endif  /* DEBUG */
1388 
1389 static int
1390 px_lib_bdf_from_dip(dev_info_t *rdip, uint32_t *bdf)
1391 {
1392 	/* Start with an array of 8 reg spaces for now to cover most devices. */
1393 	pci_regspec_t regspec_array[8];
1394 	pci_regspec_t *regspec = regspec_array;
1395 	int buflen = sizeof (regspec_array);
1396 	boolean_t kmalloced = B_FALSE;
1397 	int status;
1398 
1399 	status = ddi_getlongprop_buf(DDI_DEV_T_ANY, rdip,
1400 	    DDI_PROP_DONTPASS, "reg", (caddr_t)regspec, &buflen);
1401 
1402 	/* If need more space, fallback to kmem_alloc. */
1403 	if (status == DDI_PROP_BUF_TOO_SMALL) {
1404 		regspec = kmem_alloc(buflen, KM_SLEEP);
1405 
1406 		status = ddi_getlongprop_buf(DDI_DEV_T_ANY, rdip,
1407 		    DDI_PROP_DONTPASS, "reg", (caddr_t)regspec, &buflen);
1408 
1409 		kmalloced = B_TRUE;
1410 	}
1411 
1412 	/* Get phys_hi from first element.  All have same bdf. */
1413 	if (status == DDI_PROP_SUCCESS)
1414 		*bdf = regspec->pci_phys_hi & (PCI_REG_BDFR_M ^ PCI_REG_REG_M);
1415 
1416 	if (kmalloced)
1417 		kmem_free(regspec, buflen);
1418 
1419 	return ((status == DDI_PROP_SUCCESS) ? DDI_SUCCESS : DDI_FAILURE);
1420 }
1421 
1422 /*
1423  * Do a safe write to a device.
1424  *
1425  * When this function is given a handle (cautious access), all errors are
1426  * suppressed.
1427  *
1428  * When this function is not given a handle (poke), only Unsupported Request
1429  * and Completer Abort errors are suppressed.
1430  *
1431  * In all cases, all errors are returned in the function return status.
1432  */
1433 
1434 int
1435 px_lib_ctlops_poke(dev_info_t *dip, dev_info_t *rdip,
1436     peekpoke_ctlops_t *in_args)
1437 {
1438 	px_t *px_p = DIP_TO_STATE(dip);
1439 	px_pec_t *pec_p = px_p->px_pec_p;
1440 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle;
1441 
1442 	size_t repcount = in_args->repcount;
1443 	size_t size = in_args->size;
1444 	uintptr_t dev_addr = in_args->dev_addr;
1445 	uintptr_t host_addr = in_args->host_addr;
1446 
1447 	int err	= DDI_SUCCESS;
1448 	uint64_t hvio_poke_status;
1449 	uint32_t bdf;
1450 	uint32_t wrt_stat;
1451 
1452 	r_addr_t ra;
1453 	uint64_t pokeval;
1454 
1455 	/*
1456 	 * Used only to notify error handling peek/poke is occuring
1457 	 * One scenario is when a fabric err as a result of peek/poke.
1458 	 * However there is no way to guarantee that the fabric error
1459 	 * handler will occur in the window where otd is set.
1460 	 */
1461 	on_trap_data_t otd;
1462 
1463 	if (px_lib_bdf_from_dip(rdip, &bdf) != DDI_SUCCESS) {
1464 		DBG(DBG_LIB_DMA, px_p->px_dip,
1465 		    "poke: px_lib_bdf_from_dip failed\n");
1466 		err = DDI_FAILURE;
1467 		goto done;
1468 	}
1469 
1470 	ra = (r_addr_t)va_to_pa((void *)dev_addr);
1471 	for (; repcount; repcount--) {
1472 
1473 		switch (size) {
1474 		case sizeof (uint8_t):
1475 			pokeval = *(uint8_t *)host_addr;
1476 			break;
1477 		case sizeof (uint16_t):
1478 			pokeval = *(uint16_t *)host_addr;
1479 			break;
1480 		case sizeof (uint32_t):
1481 			pokeval = *(uint32_t *)host_addr;
1482 			break;
1483 		case sizeof (uint64_t):
1484 			pokeval = *(uint64_t *)host_addr;
1485 			break;
1486 		default:
1487 			DBG(DBG_MAP, px_p->px_dip,
1488 			    "poke: invalid size %d passed\n", size);
1489 			err = DDI_FAILURE;
1490 			goto done;
1491 		}
1492 
1493 		/*
1494 		 * Grab pokefault mutex since hypervisor does not guarantee
1495 		 * poke serialization.
1496 		 */
1497 		if (hp) {
1498 			i_ndi_busop_access_enter(hp->ahi_common.ah_dip,
1499 			    (ddi_acc_handle_t)hp);
1500 			pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED;
1501 		} else {
1502 			mutex_enter(&pec_p->pec_pokefault_mutex);
1503 			pec_p->pec_safeacc_type = DDI_FM_ERR_POKE;
1504 		}
1505 		pec_p->pec_ontrap_data = &otd;
1506 
1507 		hvio_poke_status = hvio_poke(px_p->px_dev_hdl, ra, size,
1508 			    pokeval, bdf, &wrt_stat);
1509 
1510 		if (otd.ot_trap & OT_DATA_ACCESS)
1511 			err = DDI_FAILURE;
1512 
1513 		if ((hvio_poke_status != H_EOK) || (wrt_stat != H_EOK)) {
1514 			err = DDI_FAILURE;
1515 #ifdef  DEBUG
1516 			px_pokefault_cnt++;
1517 #endif
1518 			/*
1519 			 * For CAUTIOUS and POKE access, notify FMA to
1520 			 * cleanup.  Imitate a cpu/mem trap call like in sun4u.
1521 			 */
1522 			px_lib_log_safeacc_err(px_p, (ddi_acc_handle_t)hp,
1523 			    (hp ? DDI_FM_ERR_EXPECTED :
1524 			    DDI_FM_ERR_POKE));
1525 
1526 			pec_p->pec_ontrap_data = NULL;
1527 			pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1528 			if (hp) {
1529 				i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1530 				    (ddi_acc_handle_t)hp);
1531 			} else {
1532 				mutex_exit(&pec_p->pec_pokefault_mutex);
1533 			}
1534 			goto done;
1535 		}
1536 
1537 		pec_p->pec_ontrap_data = NULL;
1538 		pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1539 		if (hp) {
1540 			i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1541 			    (ddi_acc_handle_t)hp);
1542 		} else {
1543 			mutex_exit(&pec_p->pec_pokefault_mutex);
1544 		}
1545 
1546 		host_addr += size;
1547 
1548 		if (in_args->flags == DDI_DEV_AUTOINCR) {
1549 			dev_addr += size;
1550 			ra = (r_addr_t)va_to_pa((void *)dev_addr);
1551 		}
1552 	}
1553 
1554 done:
1555 	return (err);
1556 }
1557 
1558 
1559 /*ARGSUSED*/
1560 int
1561 px_lib_ctlops_peek(dev_info_t *dip, dev_info_t *rdip,
1562     peekpoke_ctlops_t *in_args, void *result)
1563 {
1564 	px_t *px_p = DIP_TO_STATE(dip);
1565 	px_pec_t *pec_p = px_p->px_pec_p;
1566 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle;
1567 
1568 	size_t repcount = in_args->repcount;
1569 	uintptr_t dev_addr = in_args->dev_addr;
1570 	uintptr_t host_addr = in_args->host_addr;
1571 
1572 	r_addr_t ra;
1573 	uint32_t read_status;
1574 	uint64_t hvio_peek_status;
1575 	uint64_t peekval;
1576 	int err = DDI_SUCCESS;
1577 
1578 	/*
1579 	 * Used only to notify error handling peek/poke is occuring
1580 	 * One scenario is when a fabric err as a result of peek/poke.
1581 	 * However there is no way to guarantee that the fabric error
1582 	 * handler will occur in the window where otd is set.
1583 	 */
1584 	on_trap_data_t otd;
1585 
1586 	result = (void *)in_args->host_addr;
1587 
1588 	ra = (r_addr_t)va_to_pa((void *)dev_addr);
1589 	for (; repcount; repcount--) {
1590 
1591 		/* Lock pokefault mutex so read doesn't mask a poke fault. */
1592 		if (hp) {
1593 			i_ndi_busop_access_enter(hp->ahi_common.ah_dip,
1594 			    (ddi_acc_handle_t)hp);
1595 			pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED;
1596 		} else {
1597 			mutex_enter(&pec_p->pec_pokefault_mutex);
1598 			pec_p->pec_safeacc_type = DDI_FM_ERR_PEEK;
1599 		}
1600 		pec_p->pec_ontrap_data = &otd;
1601 
1602 		hvio_peek_status = hvio_peek(px_p->px_dev_hdl, ra,
1603 		    in_args->size, &read_status, &peekval);
1604 
1605 		if ((hvio_peek_status != H_EOK) || (read_status != H_EOK)) {
1606 			err = DDI_FAILURE;
1607 
1608 			/*
1609 			 * For CAUTIOUS and PEEK access, notify FMA to
1610 			 * cleanup.  Imitate a cpu/mem trap call like in sun4u.
1611 			 */
1612 			px_lib_log_safeacc_err(px_p, (ddi_acc_handle_t)hp,
1613 			    (hp ? DDI_FM_ERR_EXPECTED :
1614 			    DDI_FM_ERR_PEEK));
1615 
1616 			/* Stuff FFs in host addr if peek. */
1617 			if (hp == NULL) {
1618 				int i;
1619 				uint8_t *ff_addr = (uint8_t *)host_addr;
1620 				for (i = 0; i < in_args->size; i++)
1621 					*ff_addr++ = 0xff;
1622 			}
1623 #ifdef  DEBUG
1624 			px_peekfault_cnt++;
1625 #endif
1626 			pec_p->pec_ontrap_data = NULL;
1627 			pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1628 			if (hp) {
1629 				i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1630 				    (ddi_acc_handle_t)hp);
1631 			} else {
1632 				mutex_exit(&pec_p->pec_pokefault_mutex);
1633 			}
1634 			goto done;
1635 
1636 		}
1637 		pec_p->pec_ontrap_data = NULL;
1638 		pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1639 		if (hp) {
1640 			i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1641 			    (ddi_acc_handle_t)hp);
1642 		} else {
1643 			mutex_exit(&pec_p->pec_pokefault_mutex);
1644 		}
1645 
1646 		switch (in_args->size) {
1647 		case sizeof (uint8_t):
1648 			*(uint8_t *)host_addr = (uint8_t)peekval;
1649 			break;
1650 		case sizeof (uint16_t):
1651 			*(uint16_t *)host_addr = (uint16_t)peekval;
1652 			break;
1653 		case sizeof (uint32_t):
1654 			*(uint32_t *)host_addr = (uint32_t)peekval;
1655 			break;
1656 		case sizeof (uint64_t):
1657 			*(uint64_t *)host_addr = (uint64_t)peekval;
1658 			break;
1659 		default:
1660 			DBG(DBG_MAP, px_p->px_dip,
1661 			    "peek: invalid size %d passed\n",
1662 			    in_args->size);
1663 			err = DDI_FAILURE;
1664 			goto done;
1665 		}
1666 
1667 		host_addr += in_args->size;
1668 
1669 		if (in_args->flags == DDI_DEV_AUTOINCR) {
1670 			dev_addr += in_args->size;
1671 			ra = (r_addr_t)va_to_pa((void *)dev_addr);
1672 		}
1673 	}
1674 done:
1675 	return (err);
1676 }
1677 
1678 
1679 /* add interrupt vector */
1680 int
1681 px_err_add_intr(px_fault_t *px_fault_p)
1682 {
1683 	int	ret;
1684 	px_t	*px_p = DIP_TO_STATE(px_fault_p->px_fh_dip);
1685 
1686 	DBG(DBG_LIB_INT, px_p->px_dip,
1687 	    "px_err_add_intr: calling add_ivintr");
1688 	ret = add_ivintr(px_fault_p->px_fh_sysino, PX_ERR_PIL,
1689 	    px_fault_p->px_err_func, (caddr_t)px_fault_p,
1690 	    (caddr_t)&px_fault_p->px_intr_payload[0]);
1691 
1692 	if (ret != DDI_SUCCESS) {
1693 		DBG(DBG_LIB_INT, px_p->px_dip,
1694 		"add_ivintr returns %d, faultp: %p", ret, px_fault_p);
1695 
1696 		return (ret);
1697 	}
1698 	DBG(DBG_LIB_INT, px_p->px_dip,
1699 	    "px_err_add_intr: ib_intr_enable ");
1700 
1701 	px_ib_intr_enable(px_p, intr_dist_cpuid(), px_fault_p->px_intr_ino);
1702 
1703 	return (ret);
1704 }
1705 
1706 
1707 /* remove interrupt vector */
1708 void
1709 px_err_rem_intr(px_fault_t *px_fault_p)
1710 {
1711 	px_t	*px_p = DIP_TO_STATE(px_fault_p->px_fh_dip);
1712 
1713 	rem_ivintr(px_fault_p->px_fh_sysino, NULL);
1714 
1715 	px_ib_intr_disable(px_p->px_ib_p, px_fault_p->px_intr_ino,
1716 	    IB_INTR_WAIT);
1717 }
1718 
1719 
1720 #ifdef FMA
1721 void
1722 px_fill_rc_status(px_fault_t *px_fault_p, pciex_rc_error_regs_t *rc_status)
1723 {
1724 	px_pec_err_t	*err_pkt;
1725 
1726 	err_pkt = (px_pec_err_t *)px_fault_p->px_intr_payload;
1727 
1728 	/* initialise all the structure members */
1729 	rc_status->status_valid = 0;
1730 
1731 	if (err_pkt->pec_descr.P) {
1732 		/* PCI Status Register */
1733 		rc_status->pci_err_status = err_pkt->pci_err_status;
1734 		rc_status->status_valid |= PCI_ERR_STATUS_VALID;
1735 	}
1736 
1737 	if (err_pkt->pec_descr.E) {
1738 		/* PCIe Status Register */
1739 		rc_status->pcie_err_status = err_pkt->pcie_err_status;
1740 		rc_status->status_valid |= PCIE_ERR_STATUS_VALID;
1741 	}
1742 
1743 	if (err_pkt->pec_descr.U) {
1744 		rc_status->ue_status = err_pkt->ue_reg_status;
1745 		rc_status->status_valid |= UE_STATUS_VALID;
1746 	}
1747 
1748 	if (err_pkt->pec_descr.H) {
1749 		rc_status->ue_hdr1 = err_pkt->hdr[0];
1750 		rc_status->status_valid |= UE_HDR1_VALID;
1751 	}
1752 
1753 	if (err_pkt->pec_descr.I) {
1754 		rc_status->ue_hdr2 = err_pkt->hdr[1];
1755 		rc_status->status_valid |= UE_HDR2_VALID;
1756 	}
1757 
1758 	/* ue_fst_err_ptr - not available for sun4v?? */
1759 
1760 
1761 	if (err_pkt->pec_descr.S) {
1762 		rc_status->source_id = err_pkt->err_src_reg;
1763 		rc_status->status_valid |= SOURCE_ID_VALID;
1764 	}
1765 
1766 	if (err_pkt->pec_descr.R) {
1767 		rc_status->root_err_status = err_pkt->root_err_status;
1768 		rc_status->status_valid |= CE_STATUS_VALID;
1769 	}
1770 }
1771 #endif
1772 
1773 /*ARGSUSED*/
1774 int
1775 px_lib_pmctl(int cmd, px_t *px_p)
1776 {
1777 	return (DDI_FAILURE);
1778 }
1779 
1780 /*ARGSUSED*/
1781 uint_t
1782 px_lup_softintr(caddr_t arg)
1783 {
1784 	return (DDI_INTR_CLAIMED);
1785 }
1786 
1787 /*ARGSUSED*/
1788 uint_t
1789 px_pmeq_intr(caddr_t arg)
1790 {
1791 	return (DDI_INTR_CLAIMED);
1792 }
1793 
1794 /*
1795  * Unprotected raw reads/writes of fabric device's config space.
1796  * Only used for temporary PCI-E Fabric Error Handling.
1797  */
1798 uint32_t
1799 px_fab_get(px_t *px_p, pcie_req_id_t bdf, uint16_t offset) {
1800 	uint32_t 	data = 0;
1801 
1802 	(void) hvio_config_get(px_p->px_dev_hdl,
1803 	    (bdf << PX_RA_BDF_SHIFT), offset, 4,
1804 	    (pci_cfg_data_t *)&data);
1805 
1806 	return (data);
1807 }
1808 
1809 void
1810 px_fab_set(px_t *px_p, pcie_req_id_t bdf, uint16_t offset,
1811     uint32_t val) {
1812 	pci_cfg_data_t	wdata = { 0 };
1813 
1814 	wdata.qw = (uint32_t)val;
1815 	(void) hvio_config_put(px_p->px_dev_hdl,
1816 	    (bdf << PX_RA_BDF_SHIFT), offset, 4, wdata);
1817 }
1818 
1819 /* Dummy cpr add callback */
1820 /*ARGSUSED*/
1821 void
1822 px_cpr_add_callb(px_t *px_p)
1823 {
1824 }
1825 
1826 /* Dummy cpr rem callback */
1827 /*ARGSUSED*/
1828 void
1829 px_cpr_rem_callb(px_t *px_p)
1830 {
1831 }
1832