xref: /titanic_51/usr/src/uts/sun4v/io/px/px_lib4v.c (revision a8ae99647dd4d540346030718e08a083b0fbdf42)
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/async.h>
33 #include <sys/sunddi.h>
34 #include <sys/ddifm.h>
35 #include <sys/fm/protocol.h>
36 #include <sys/vmem.h>
37 #include <sys/intr.h>
38 #include <sys/ivintr.h>
39 #include <sys/errno.h>
40 #include <sys/hypervisor_api.h>
41 #include <px_obj.h>
42 #include <sys/machsystm.h>
43 #include "px_lib4v.h"
44 #include "px_err.h"
45 
46 /* mask for the ranges property in calculating the real PFN range */
47 uint_t px_ranges_phi_mask = ((1 << 28) -1);
48 
49 int
50 px_lib_dev_init(dev_info_t *dip, devhandle_t *dev_hdl)
51 {
52 	px_nexus_regspec_t	*rp;
53 	uint_t			reglen;
54 	int			ret;
55 
56 	DBG(DBG_ATTACH, dip, "px_lib_dev_init: dip 0x%p\n", dip);
57 
58 	ret = ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
59 	    "reg", (uchar_t **)&rp, &reglen);
60 	if (ret != DDI_PROP_SUCCESS) {
61 		DBG(DBG_ATTACH, dip, "px_lib_dev_init failed ret=%d\n", ret);
62 		return (DDI_FAILURE);
63 	}
64 
65 	/*
66 	 * Initilize device handle. The device handle uniquely identifies
67 	 * a SUN4V device. It consists of the lower 28-bits of the hi-cell
68 	 * of the first entry of the SUN4V device's "reg" property as
69 	 * defined by the SUN4V Bus Binding to Open Firmware.
70 	 */
71 	*dev_hdl = (devhandle_t)((rp->phys_addr >> 32) & DEVHDLE_MASK);
72 
73 	ddi_prop_free(rp);
74 
75 	DBG(DBG_ATTACH, dip, "px_lib_dev_init: dev_hdl 0x%llx\n", *dev_hdl);
76 
77 	return (DDI_SUCCESS);
78 }
79 
80 /*ARGSUSED*/
81 int
82 px_lib_dev_fini(dev_info_t *dip)
83 {
84 	DBG(DBG_DETACH, dip, "px_lib_dev_fini: dip 0x%p\n", dip);
85 
86 	return (DDI_SUCCESS);
87 }
88 
89 /*ARGSUSED*/
90 int
91 px_lib_intr_devino_to_sysino(dev_info_t *dip, devino_t devino,
92     sysino_t *sysino)
93 {
94 	uint64_t	ret;
95 
96 	DBG(DBG_LIB_INT, dip, "px_lib_intr_devino_to_sysino: dip 0x%p "
97 	    "devino 0x%x\n", dip, devino);
98 
99 	if ((ret = hvio_intr_devino_to_sysino(DIP_TO_HANDLE(dip),
100 	    devino, sysino)) != H_EOK) {
101 		DBG(DBG_LIB_INT, dip,
102 		    "hvio_intr_devino_to_sysino failed, ret 0x%lx\n", ret);
103 		return (DDI_FAILURE);
104 	}
105 
106 	DBG(DBG_LIB_INT, dip, "px_lib_intr_devino_to_sysino: sysino 0x%llx\n",
107 	    *sysino);
108 
109 	return (DDI_SUCCESS);
110 }
111 
112 /*ARGSUSED*/
113 int
114 px_lib_intr_getvalid(dev_info_t *dip, sysino_t sysino,
115     intr_valid_state_t *intr_valid_state)
116 {
117 	uint64_t	ret;
118 
119 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getvalid: dip 0x%p sysino 0x%llx\n",
120 	    dip, sysino);
121 
122 	if ((ret = hvio_intr_getvalid(sysino,
123 	    (int *)intr_valid_state)) != H_EOK) {
124 		DBG(DBG_LIB_INT, dip, "hvio_intr_getvalid failed, ret 0x%lx\n",
125 		    ret);
126 		return (DDI_FAILURE);
127 	}
128 
129 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getvalid: intr_valid_state 0x%x\n",
130 	    *intr_valid_state);
131 
132 	return (DDI_SUCCESS);
133 }
134 
135 /*ARGSUSED*/
136 int
137 px_lib_intr_setvalid(dev_info_t *dip, sysino_t sysino,
138     intr_valid_state_t intr_valid_state)
139 {
140 	uint64_t	ret;
141 
142 	DBG(DBG_LIB_INT, dip, "px_lib_intr_setvalid: dip 0x%p sysino 0x%llx "
143 	    "intr_valid_state 0x%x\n", dip, sysino, intr_valid_state);
144 
145 	if ((ret = hvio_intr_setvalid(sysino, intr_valid_state)) != H_EOK) {
146 		DBG(DBG_LIB_INT, dip, "hvio_intr_setvalid failed, ret 0x%lx\n",
147 		    ret);
148 		return (DDI_FAILURE);
149 	}
150 
151 	return (DDI_SUCCESS);
152 }
153 
154 /*ARGSUSED*/
155 int
156 px_lib_intr_getstate(dev_info_t *dip, sysino_t sysino,
157     intr_state_t *intr_state)
158 {
159 	uint64_t	ret;
160 
161 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getstate: dip 0x%p sysino 0x%llx\n",
162 	    dip, sysino);
163 
164 	if ((ret = hvio_intr_getstate(sysino, (int *)intr_state)) != H_EOK) {
165 		DBG(DBG_LIB_INT, dip, "hvio_intr_getstate failed, ret 0x%lx\n",
166 		    ret);
167 		return (DDI_FAILURE);
168 	}
169 
170 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getstate: intr_state 0x%x\n",
171 	    *intr_state);
172 
173 	return (DDI_SUCCESS);
174 }
175 
176 /*ARGSUSED*/
177 int
178 px_lib_intr_setstate(dev_info_t *dip, sysino_t sysino,
179     intr_state_t intr_state)
180 {
181 	uint64_t	ret;
182 
183 	DBG(DBG_LIB_INT, dip, "px_lib_intr_setstate: dip 0x%p sysino 0x%llx "
184 	    "intr_state 0x%x\n", dip, sysino, intr_state);
185 
186 	if ((ret = hvio_intr_setstate(sysino, intr_state)) != H_EOK) {
187 		DBG(DBG_LIB_INT, dip, "hvio_intr_setstate failed, ret 0x%lx\n",
188 		    ret);
189 		return (DDI_FAILURE);
190 	}
191 
192 	return (DDI_SUCCESS);
193 }
194 
195 /*ARGSUSED*/
196 int
197 px_lib_intr_gettarget(dev_info_t *dip, sysino_t sysino, cpuid_t *cpuid)
198 {
199 	uint64_t	ret;
200 
201 	DBG(DBG_LIB_INT, dip, "px_lib_intr_gettarget: dip 0x%p sysino 0x%llx\n",
202 	    dip, sysino);
203 
204 	if ((ret = hvio_intr_gettarget(sysino, cpuid)) != H_EOK) {
205 		DBG(DBG_LIB_INT, dip,
206 		    "hvio_intr_gettarget failed, ret 0x%lx\n", ret);
207 		return (DDI_FAILURE);
208 	}
209 
210 	DBG(DBG_LIB_INT, dip, "px_lib_intr_gettarget: cpuid 0x%x\n", cpuid);
211 
212 	return (DDI_SUCCESS);
213 }
214 
215 /*ARGSUSED*/
216 int
217 px_lib_intr_settarget(dev_info_t *dip, sysino_t sysino, cpuid_t cpuid)
218 {
219 	uint64_t	ret;
220 
221 	DBG(DBG_LIB_INT, dip, "px_lib_intr_settarget: dip 0x%p sysino 0x%llx "
222 	    "cpuid 0x%x\n", dip, sysino, cpuid);
223 
224 	if ((ret = hvio_intr_settarget(sysino, cpuid)) != H_EOK) {
225 		DBG(DBG_LIB_INT, dip,
226 		    "hvio_intr_settarget failed, ret 0x%lx\n", ret);
227 		return (DDI_FAILURE);
228 	}
229 
230 	return (DDI_SUCCESS);
231 }
232 
233 /*ARGSUSED*/
234 int
235 px_lib_intr_reset(dev_info_t *dip)
236 {
237 	px_t			*px_p = DIP_TO_STATE(dip);
238 	px_ib_t			*ib_p = px_p->px_ib_p;
239 	px_ib_ino_info_t	*ino_p;
240 
241 	DBG(DBG_LIB_INT, dip, "px_lib_intr_reset: dip 0x%p\n", dip);
242 
243 	mutex_enter(&ib_p->ib_ino_lst_mutex);
244 
245 	/* Reset all Interrupts */
246 	for (ino_p = ib_p->ib_ino_lst; ino_p; ino_p = ino_p->ino_next) {
247 		if (px_lib_intr_setstate(dip, ino_p->ino_sysino,
248 		    INTR_IDLE_STATE) != DDI_SUCCESS)
249 			return (BF_FATAL);
250 	}
251 
252 	mutex_exit(&ib_p->ib_ino_lst_mutex);
253 
254 	return (BF_NONE);
255 }
256 
257 /*ARGSUSED*/
258 int
259 px_lib_iommu_map(dev_info_t *dip, tsbid_t tsbid, pages_t pages,
260     io_attributes_t io_attr, void *addr, size_t pfn_index,
261     int flag)
262 {
263 	tsbnum_t	tsb_num = PCI_TSBID_TO_TSBNUM(tsbid);
264 	tsbindex_t	tsb_index = PCI_TSBID_TO_TSBINDEX(tsbid);
265 	io_page_list_t	*pfns, *pfn_p;
266 	pages_t		ttes_mapped = 0;
267 	int		i, err = DDI_SUCCESS;
268 
269 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: dip 0x%p tsbid 0x%llx "
270 	    "pages 0x%x atrr 0x%x addr 0x%p pfn_index 0x%llx, flag 0x%x\n",
271 	    dip, tsbid, pages, io_attr, addr, pfn_index, flag);
272 
273 	if ((pfns = pfn_p = kmem_zalloc((pages * sizeof (io_page_list_t)),
274 	    KM_NOSLEEP)) == NULL) {
275 		DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: kmem_zalloc failed\n");
276 		return (DDI_FAILURE);
277 	}
278 
279 	for (i = 0; i < pages; i++)
280 		pfns[i] = MMU_PTOB(PX_ADDR2PFN(addr, pfn_index, flag, i));
281 
282 	while ((ttes_mapped = pfn_p - pfns) < pages) {
283 		uintptr_t	ra = va_to_pa(pfn_p);
284 		pages_t		ttes2map;
285 		uint64_t	ret;
286 
287 		ttes2map = (MMU_PAGE_SIZE - P2PHASE(ra, MMU_PAGE_SIZE)) >> 3;
288 		ra = MMU_PTOB(MMU_BTOP(ra));
289 
290 		for (ttes2map = MIN(ttes2map, pages - ttes_mapped); ttes2map;
291 		    ttes2map -= ttes_mapped, pfn_p += ttes_mapped) {
292 
293 			ttes_mapped = 0;
294 			if ((ret = hvio_iommu_map(DIP_TO_HANDLE(dip),
295 			    PCI_TSBID(tsb_num, tsb_index + (pfn_p - pfns)),
296 			    ttes2map, io_attr, (io_page_list_t *)(ra |
297 			    ((uintptr_t)pfn_p & MMU_PAGE_OFFSET)),
298 			    &ttes_mapped)) != H_EOK) {
299 				DBG(DBG_LIB_DMA, dip, "hvio_iommu_map failed "
300 				    "ret 0x%lx\n", ret);
301 
302 				ttes_mapped = pfn_p - pfns;
303 				err = DDI_FAILURE;
304 				goto cleanup;
305 			}
306 
307 			DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: tsb_num 0x%x "
308 			    "tsb_index 0x%lx ttes_to_map 0x%lx attr 0x%x "
309 			    "ra 0x%p ttes_mapped 0x%x\n", tsb_num,
310 			    tsb_index + (pfn_p - pfns), ttes2map, io_attr,
311 			    ra | ((uintptr_t)pfn_p & MMU_PAGE_OFFSET),
312 			    ttes_mapped);
313 		}
314 	}
315 
316 cleanup:
317 	if ((err == DDI_FAILURE) && ttes_mapped)
318 		(void) px_lib_iommu_demap(dip, tsbid, ttes_mapped);
319 
320 	kmem_free(pfns, pages * sizeof (io_page_list_t));
321 	return (err);
322 }
323 
324 /*ARGSUSED*/
325 int
326 px_lib_iommu_demap(dev_info_t *dip, tsbid_t tsbid, pages_t pages)
327 {
328 	tsbnum_t	tsb_num = PCI_TSBID_TO_TSBNUM(tsbid);
329 	tsbindex_t	tsb_index = PCI_TSBID_TO_TSBINDEX(tsbid);
330 	pages_t		ttes2demap, ttes_demapped = 0;
331 	uint64_t	ret;
332 
333 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_demap: dip 0x%p tsbid 0x%llx "
334 	    "pages 0x%x\n", dip, tsbid, pages);
335 
336 	for (ttes2demap = pages; ttes2demap;
337 	    ttes2demap -= ttes_demapped, tsb_index += ttes_demapped) {
338 		if ((ret = hvio_iommu_demap(DIP_TO_HANDLE(dip),
339 		    PCI_TSBID(tsb_num, tsb_index), ttes2demap,
340 		    &ttes_demapped)) != H_EOK) {
341 			DBG(DBG_LIB_DMA, dip, "hvio_iommu_demap failed, "
342 			    "ret 0x%lx\n", ret);
343 
344 			return (DDI_FAILURE);
345 		}
346 
347 		DBG(DBG_LIB_DMA, dip, "px_lib_iommu_demap: tsb_num 0x%x "
348 		    "tsb_index 0x%lx ttes_to_demap 0x%lx ttes_demapped 0x%x\n",
349 		    tsb_num, tsb_index, ttes2demap, ttes_demapped);
350 	}
351 
352 	return (DDI_SUCCESS);
353 }
354 
355 /*ARGSUSED*/
356 int
357 px_lib_iommu_getmap(dev_info_t *dip, tsbid_t tsbid,
358     io_attributes_t *attributes_p, r_addr_t *r_addr_p)
359 {
360 	uint64_t	ret;
361 
362 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getmap: dip 0x%p tsbid 0x%llx\n",
363 	    dip, tsbid);
364 
365 	if ((ret = hvio_iommu_getmap(DIP_TO_HANDLE(dip), tsbid,
366 	    attributes_p, r_addr_p)) != H_EOK) {
367 		DBG(DBG_LIB_DMA, dip,
368 		    "hvio_iommu_getmap failed, ret 0x%lx\n", ret);
369 
370 		return ((ret == H_ENOMAP) ? DDI_DMA_NOMAPPING:DDI_FAILURE);
371 	}
372 
373 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getmap: attr 0x%x r_addr 0x%llx\n",
374 	    *attributes_p, *r_addr_p);
375 
376 	return (DDI_SUCCESS);
377 }
378 
379 
380 /*
381  * Checks dma attributes against system bypass ranges
382  * A sun4v device must be capable of generating the entire 64-bit
383  * address in order to perform bypass DMA.
384  */
385 /*ARGSUSED*/
386 int
387 px_lib_dma_bypass_rngchk(ddi_dma_attr_t *attrp, uint64_t *lo_p, uint64_t *hi_p)
388 {
389 	if ((attrp->dma_attr_addr_lo != 0ull) ||
390 	    (attrp->dma_attr_addr_hi != UINT64_MAX)) {
391 
392 		return (DDI_DMA_BADATTR);
393 	}
394 
395 	*lo_p = 0ull;
396 	*hi_p = UINT64_MAX;
397 
398 	return (DDI_SUCCESS);
399 }
400 
401 
402 /*ARGSUSED*/
403 int
404 px_lib_iommu_getbypass(dev_info_t *dip, r_addr_t ra,
405     io_attributes_t io_attributes, io_addr_t *io_addr_p)
406 {
407 	uint64_t	ret;
408 
409 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: dip 0x%p ra 0x%llx "
410 	    "attr 0x%x\n", dip, ra, io_attributes);
411 
412 	if ((ret = hvio_iommu_getbypass(DIP_TO_HANDLE(dip), ra,
413 	    io_attributes, io_addr_p)) != H_EOK) {
414 		DBG(DBG_LIB_DMA, dip,
415 		    "hvio_iommu_getbypass failed, ret 0x%lx\n", ret);
416 		return (ret == H_ENOTSUPPORTED ? DDI_ENOTSUP : DDI_FAILURE);
417 	}
418 
419 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: io_addr 0x%llx\n",
420 	    *io_addr_p);
421 
422 	return (DDI_SUCCESS);
423 }
424 
425 /*ARGSUSED*/
426 int
427 px_lib_dma_sync(dev_info_t *dip, dev_info_t *rdip, ddi_dma_handle_t handle,
428 	off_t off, size_t len, uint_t cache_flags)
429 {
430 	ddi_dma_impl_t *mp = (ddi_dma_impl_t *)handle;
431 	uint64_t sync_dir;
432 	px_dvma_addr_t dvma_addr, pg_off;
433 	size_t num_sync;
434 	uint64_t status = H_EOK;
435 
436 	DBG(DBG_LIB_DMA, dip, "px_lib_dma_sync: dip 0x%p rdip 0x%p "
437 	    "handle 0x%llx off 0x%x len 0x%x flags 0x%x\n",
438 	    dip, rdip, handle, off, len, cache_flags);
439 
440 	if (!(mp->dmai_flags & PX_DMAI_FLAGS_INUSE)) {
441 		cmn_err(CE_WARN, "%s%d: Unbound dma handle %p.",
442 		    ddi_driver_name(rdip), ddi_get_instance(rdip), (void *)mp);
443 		return (DDI_FAILURE);
444 	}
445 
446 	if (mp->dmai_flags & PX_DMAI_FLAGS_NOSYNC)
447 		return (DDI_SUCCESS);
448 
449 	if (!len)
450 		len = mp->dmai_size;
451 
452 	pg_off = mp->dmai_offset;			/* start min */
453 	dvma_addr = MAX(off, pg_off);			/* lo */
454 	pg_off += mp->dmai_size;			/* end max */
455 	pg_off = MIN(off + len, pg_off);		/* hi */
456 	if (dvma_addr >= pg_off) {			/* lo >= hi ? */
457 		cmn_err(CE_WARN, "%s%d: %lx + %lx out of window [%lx,%lx]",
458 		    ddi_driver_name(rdip), ddi_get_instance(rdip),
459 		    off, len, mp->dmai_offset,
460 		    mp->dmai_offset + mp->dmai_size);
461 		return (DDI_FAILURE);
462 	}
463 
464 	len = pg_off - dvma_addr;			/* sz = hi - lo */
465 	dvma_addr += mp->dmai_mapping;			/* start addr */
466 
467 	if (mp->dmai_rflags & DDI_DMA_READ)
468 		sync_dir = HVIO_DMA_SYNC_DIR_FROM_DEV;
469 	else
470 		sync_dir = HVIO_DMA_SYNC_DIR_TO_DEV;
471 
472 	for (; ((len > 0) && (status == H_EOK)); len -= num_sync) {
473 		status = hvio_dma_sync(DIP_TO_HANDLE(dip), dvma_addr, len,
474 		    sync_dir, &num_sync);
475 		dvma_addr += num_sync;
476 	}
477 
478 	return ((status == H_EOK) ? DDI_SUCCESS : DDI_FAILURE);
479 }
480 
481 
482 /*
483  * MSIQ Functions:
484  */
485 
486 /*ARGSUSED*/
487 int
488 px_lib_msiq_init(dev_info_t *dip)
489 {
490 	px_t		*px_p = DIP_TO_STATE(dip);
491 	px_msiq_state_t	*msiq_state_p = &px_p->px_ib_p->ib_msiq_state;
492 	uint64_t	*msiq_addr, ra;
493 	size_t		msiq_size;
494 	uint_t		rec_cnt;
495 	int		i, err = DDI_SUCCESS;
496 	uint64_t	ret;
497 
498 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_init: dip 0x%p\n", dip);
499 
500 	msiq_addr = (uint64_t *)(((uint64_t)msiq_state_p->msiq_buf_p +
501 	    (MMU_PAGE_SIZE - 1)) >> MMU_PAGE_SHIFT << MMU_PAGE_SHIFT);
502 
503 	msiq_size = msiq_state_p->msiq_rec_cnt * sizeof (msiq_rec_t);
504 
505 	for (i = 0; i < msiq_state_p->msiq_cnt; i++) {
506 		ra = (r_addr_t)va_to_pa((caddr_t)msiq_addr + (i * msiq_size));
507 
508 		if ((ret = hvio_msiq_conf(DIP_TO_HANDLE(dip),
509 		    (i + msiq_state_p->msiq_1st_msiq_id),
510 		    ra, msiq_state_p->msiq_rec_cnt)) != H_EOK) {
511 			DBG(DBG_LIB_MSIQ, dip,
512 			    "hvio_msiq_conf failed, ret 0x%lx\n", ret);
513 			err = DDI_FAILURE;
514 			break;
515 		}
516 
517 		if ((err = px_lib_msiq_info(dip,
518 		    (i + msiq_state_p->msiq_1st_msiq_id),
519 		    &ra, &rec_cnt)) != DDI_SUCCESS) {
520 			DBG(DBG_LIB_MSIQ, dip,
521 			    "px_lib_msiq_info failed, ret 0x%x\n", err);
522 			err = DDI_FAILURE;
523 			break;
524 		}
525 
526 		DBG(DBG_LIB_MSIQ, dip,
527 		    "px_lib_msiq_init: ra 0x%p rec_cnt 0x%x\n", ra, rec_cnt);
528 	}
529 
530 	return (err);
531 }
532 
533 /*ARGSUSED*/
534 int
535 px_lib_msiq_fini(dev_info_t *dip)
536 {
537 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_fini: dip 0x%p\n", dip);
538 
539 	return (DDI_SUCCESS);
540 }
541 
542 /*ARGSUSED*/
543 int
544 px_lib_msiq_info(dev_info_t *dip, msiqid_t msiq_id, r_addr_t *ra_p,
545     uint_t *msiq_rec_cnt_p)
546 {
547 	uint64_t	ret;
548 
549 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: dip 0x%p msiq_id 0x%x\n",
550 	    dip, msiq_id);
551 
552 	if ((ret = hvio_msiq_info(DIP_TO_HANDLE(dip),
553 	    msiq_id, ra_p, msiq_rec_cnt_p)) != H_EOK) {
554 		DBG(DBG_LIB_MSIQ, dip,
555 		    "hvio_msiq_info failed, ret 0x%lx\n", ret);
556 		return (DDI_FAILURE);
557 	}
558 
559 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: ra_p 0x%p msiq_rec_cnt 0x%x\n",
560 	    ra_p, *msiq_rec_cnt_p);
561 
562 	return (DDI_SUCCESS);
563 }
564 
565 /*ARGSUSED*/
566 int
567 px_lib_msiq_getvalid(dev_info_t *dip, msiqid_t msiq_id,
568     pci_msiq_valid_state_t *msiq_valid_state)
569 {
570 	uint64_t	ret;
571 
572 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: dip 0x%p msiq_id 0x%x\n",
573 	    dip, msiq_id);
574 
575 	if ((ret = hvio_msiq_getvalid(DIP_TO_HANDLE(dip),
576 	    msiq_id, msiq_valid_state)) != H_EOK) {
577 		DBG(DBG_LIB_MSIQ, dip,
578 		    "hvio_msiq_getvalid failed, ret 0x%lx\n", ret);
579 		return (DDI_FAILURE);
580 	}
581 
582 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: msiq_valid_state 0x%x\n",
583 	    *msiq_valid_state);
584 
585 	return (DDI_SUCCESS);
586 }
587 
588 /*ARGSUSED*/
589 int
590 px_lib_msiq_setvalid(dev_info_t *dip, msiqid_t msiq_id,
591     pci_msiq_valid_state_t msiq_valid_state)
592 {
593 	uint64_t	ret;
594 
595 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_setvalid: dip 0x%p msiq_id 0x%x "
596 	    "msiq_valid_state 0x%x\n", dip, msiq_id, msiq_valid_state);
597 
598 	if ((ret = hvio_msiq_setvalid(DIP_TO_HANDLE(dip),
599 	    msiq_id, msiq_valid_state)) != H_EOK) {
600 		DBG(DBG_LIB_MSIQ, dip,
601 		    "hvio_msiq_setvalid failed, ret 0x%lx\n", ret);
602 		return (DDI_FAILURE);
603 	}
604 
605 	return (DDI_SUCCESS);
606 }
607 
608 /*ARGSUSED*/
609 int
610 px_lib_msiq_getstate(dev_info_t *dip, msiqid_t msiq_id,
611     pci_msiq_state_t *msiq_state)
612 {
613 	uint64_t	ret;
614 
615 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: dip 0x%p msiq_id 0x%x\n",
616 	    dip, msiq_id);
617 
618 	if ((ret = hvio_msiq_getstate(DIP_TO_HANDLE(dip),
619 	    msiq_id, msiq_state)) != H_EOK) {
620 		DBG(DBG_LIB_MSIQ, dip,
621 		    "hvio_msiq_getstate failed, ret 0x%lx\n", ret);
622 		return (DDI_FAILURE);
623 	}
624 
625 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: msiq_state 0x%x\n",
626 	    *msiq_state);
627 
628 	return (DDI_SUCCESS);
629 }
630 
631 /*ARGSUSED*/
632 int
633 px_lib_msiq_setstate(dev_info_t *dip, msiqid_t msiq_id,
634     pci_msiq_state_t msiq_state)
635 {
636 	uint64_t	ret;
637 
638 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_setstate: dip 0x%p msiq_id 0x%x "
639 	    "msiq_state 0x%x\n", dip, msiq_id, msiq_state);
640 
641 	if ((ret = hvio_msiq_setstate(DIP_TO_HANDLE(dip),
642 	    msiq_id, msiq_state)) != H_EOK) {
643 		DBG(DBG_LIB_MSIQ, dip,
644 		    "hvio_msiq_setstate failed, ret 0x%lx\n", ret);
645 		return (DDI_FAILURE);
646 	}
647 
648 	return (DDI_SUCCESS);
649 }
650 
651 /*ARGSUSED*/
652 int
653 px_lib_msiq_gethead(dev_info_t *dip, msiqid_t msiq_id,
654     msiqhead_t *msiq_head_p)
655 {
656 	uint64_t	ret;
657 
658 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gethead: dip 0x%p msiq_id 0x%x\n",
659 	    dip, msiq_id);
660 
661 	if ((ret = hvio_msiq_gethead(DIP_TO_HANDLE(dip),
662 	    msiq_id, msiq_head_p)) != H_EOK) {
663 		DBG(DBG_LIB_MSIQ, dip,
664 		    "hvio_msiq_gethead failed, ret 0x%lx\n", ret);
665 		return (DDI_FAILURE);
666 	}
667 
668 	*msiq_head_p =  (*msiq_head_p / sizeof (msiq_rec_t));
669 
670 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_gethead: msiq_head 0x%x\n",
671 	    *msiq_head_p);
672 
673 	return (DDI_SUCCESS);
674 }
675 
676 /*ARGSUSED*/
677 int
678 px_lib_msiq_sethead(dev_info_t *dip, msiqid_t msiq_id,
679     msiqhead_t msiq_head)
680 {
681 	uint64_t	ret;
682 
683 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_sethead: dip 0x%p msiq_id 0x%x "
684 	    "msiq_head 0x%x\n", dip, msiq_id, msiq_head);
685 
686 	if ((ret = hvio_msiq_sethead(DIP_TO_HANDLE(dip),
687 	    msiq_id, msiq_head * sizeof (msiq_rec_t))) != H_EOK) {
688 		DBG(DBG_LIB_MSIQ, dip,
689 		    "hvio_msiq_sethead failed, ret 0x%lx\n", ret);
690 		return (DDI_FAILURE);
691 	}
692 
693 	return (DDI_SUCCESS);
694 }
695 
696 /*ARGSUSED*/
697 int
698 px_lib_msiq_gettail(dev_info_t *dip, msiqid_t msiq_id,
699     msiqtail_t *msiq_tail_p)
700 {
701 	uint64_t	ret;
702 
703 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: dip 0x%p msiq_id 0x%x\n",
704 	    dip, msiq_id);
705 
706 	if ((ret = hvio_msiq_gettail(DIP_TO_HANDLE(dip),
707 	    msiq_id, msiq_tail_p)) != H_EOK) {
708 		DBG(DBG_LIB_MSIQ, dip,
709 		    "hvio_msiq_gettail failed, ret 0x%lx\n", ret);
710 		return (DDI_FAILURE);
711 	}
712 
713 	*msiq_tail_p =  (*msiq_tail_p / sizeof (msiq_rec_t));
714 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: msiq_tail 0x%x\n",
715 	    *msiq_tail_p);
716 
717 	return (DDI_SUCCESS);
718 }
719 
720 /*ARGSUSED*/
721 void
722 px_lib_get_msiq_rec(dev_info_t *dip, px_msiq_t *msiq_p, msiq_rec_t *msiq_rec_p)
723 {
724 	msiq_rec_t	*curr_msiq_rec_p = (msiq_rec_t *)msiq_p->msiq_curr;
725 
726 	DBG(DBG_LIB_MSIQ, dip, "px_lib_get_msiq_rec: dip 0x%p\n", dip);
727 
728 	if (!curr_msiq_rec_p->msiq_rec_type)
729 		return;
730 
731 	*msiq_rec_p = *curr_msiq_rec_p;
732 
733 	/* Zero out msiq_rec_type field */
734 	curr_msiq_rec_p->msiq_rec_type  = 0;
735 }
736 
737 /*
738  * MSI Functions:
739  */
740 
741 /*ARGSUSED*/
742 int
743 px_lib_msi_init(dev_info_t *dip)
744 {
745 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_init: dip 0x%p\n", dip);
746 
747 	/* Noop */
748 	return (DDI_SUCCESS);
749 }
750 
751 /*ARGSUSED*/
752 int
753 px_lib_msi_getmsiq(dev_info_t *dip, msinum_t msi_num,
754     msiqid_t *msiq_id)
755 {
756 	uint64_t	ret;
757 
758 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: dip 0x%p msi_num 0x%x\n",
759 	    dip, msi_num);
760 
761 	if ((ret = hvio_msi_getmsiq(DIP_TO_HANDLE(dip),
762 	    msi_num, msiq_id)) != H_EOK) {
763 		DBG(DBG_LIB_MSI, dip,
764 		    "hvio_msi_getmsiq failed, ret 0x%lx\n", ret);
765 		return (DDI_FAILURE);
766 	}
767 
768 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: msiq_id 0x%x\n",
769 	    *msiq_id);
770 
771 	return (DDI_SUCCESS);
772 }
773 
774 /*ARGSUSED*/
775 int
776 px_lib_msi_setmsiq(dev_info_t *dip, msinum_t msi_num,
777     msiqid_t msiq_id, msi_type_t msitype)
778 {
779 	uint64_t	ret;
780 
781 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setmsiq: dip 0x%p msi_num 0x%x "
782 	    "msq_id 0x%x\n", dip, msi_num, msiq_id);
783 
784 	if ((ret = hvio_msi_setmsiq(DIP_TO_HANDLE(dip),
785 	    msi_num, msiq_id, msitype)) != H_EOK) {
786 		DBG(DBG_LIB_MSI, dip,
787 		    "hvio_msi_setmsiq failed, ret 0x%lx\n", ret);
788 		return (DDI_FAILURE);
789 	}
790 
791 	return (DDI_SUCCESS);
792 }
793 
794 /*ARGSUSED*/
795 int
796 px_lib_msi_getvalid(dev_info_t *dip, msinum_t msi_num,
797     pci_msi_valid_state_t *msi_valid_state)
798 {
799 	uint64_t	ret;
800 
801 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: dip 0x%p msi_num 0x%x\n",
802 	    dip, msi_num);
803 
804 	if ((ret = hvio_msi_getvalid(DIP_TO_HANDLE(dip),
805 	    msi_num, msi_valid_state)) != H_EOK) {
806 		DBG(DBG_LIB_MSI, dip,
807 		    "hvio_msi_getvalid failed, ret 0x%lx\n", ret);
808 		return (DDI_FAILURE);
809 	}
810 
811 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: msiq_id 0x%x\n",
812 	    *msi_valid_state);
813 
814 	return (DDI_SUCCESS);
815 }
816 
817 /*ARGSUSED*/
818 int
819 px_lib_msi_setvalid(dev_info_t *dip, msinum_t msi_num,
820     pci_msi_valid_state_t msi_valid_state)
821 {
822 	uint64_t	ret;
823 
824 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setvalid: dip 0x%p msi_num 0x%x "
825 	    "msi_valid_state 0x%x\n", dip, msi_num, msi_valid_state);
826 
827 	if ((ret = hvio_msi_setvalid(DIP_TO_HANDLE(dip),
828 	    msi_num, msi_valid_state)) != H_EOK) {
829 		DBG(DBG_LIB_MSI, dip,
830 		    "hvio_msi_setvalid failed, ret 0x%lx\n", ret);
831 		return (DDI_FAILURE);
832 	}
833 
834 	return (DDI_SUCCESS);
835 }
836 
837 /*ARGSUSED*/
838 int
839 px_lib_msi_getstate(dev_info_t *dip, msinum_t msi_num,
840     pci_msi_state_t *msi_state)
841 {
842 	uint64_t	ret;
843 
844 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: dip 0x%p msi_num 0x%x\n",
845 	    dip, msi_num);
846 
847 	if ((ret = hvio_msi_getstate(DIP_TO_HANDLE(dip),
848 	    msi_num, msi_state)) != H_EOK) {
849 		DBG(DBG_LIB_MSI, dip,
850 		    "hvio_msi_getstate failed, ret 0x%lx\n", ret);
851 		return (DDI_FAILURE);
852 	}
853 
854 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: msi_state 0x%x\n",
855 	    *msi_state);
856 
857 	return (DDI_SUCCESS);
858 }
859 
860 /*ARGSUSED*/
861 int
862 px_lib_msi_setstate(dev_info_t *dip, msinum_t msi_num,
863     pci_msi_state_t msi_state)
864 {
865 	uint64_t	ret;
866 
867 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setstate: dip 0x%p msi_num 0x%x "
868 	    "msi_state 0x%x\n", dip, msi_num, msi_state);
869 
870 	if ((ret = hvio_msi_setstate(DIP_TO_HANDLE(dip),
871 	    msi_num, msi_state)) != H_EOK) {
872 		DBG(DBG_LIB_MSI, dip,
873 		    "hvio_msi_setstate failed, ret 0x%lx\n", ret);
874 		return (DDI_FAILURE);
875 	}
876 
877 	return (DDI_SUCCESS);
878 }
879 
880 /*
881  * MSG Functions:
882  */
883 
884 /*ARGSUSED*/
885 int
886 px_lib_msg_getmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
887     msiqid_t *msiq_id)
888 {
889 	uint64_t	ret;
890 
891 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_getmsiq: dip 0x%p msg_type 0x%x\n",
892 	    dip, msg_type);
893 
894 	if ((ret = hvio_msg_getmsiq(DIP_TO_HANDLE(dip),
895 	    msg_type, msiq_id)) != H_EOK) {
896 		DBG(DBG_LIB_MSG, dip,
897 		    "hvio_msg_getmsiq failed, ret 0x%lx\n", ret);
898 		return (DDI_FAILURE);
899 	}
900 
901 	DBG(DBG_LIB_MSI, dip, "px_lib_msg_getmsiq: msiq_id 0x%x\n",
902 	    *msiq_id);
903 
904 	return (DDI_SUCCESS);
905 }
906 
907 /*ARGSUSED*/
908 int
909 px_lib_msg_setmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
910     msiqid_t msiq_id)
911 {
912 	uint64_t	ret;
913 
914 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_setmsiq: dip 0x%p msg_type 0x%x "
915 	    "msq_id 0x%x\n", dip, msg_type, msiq_id);
916 
917 	if ((ret = hvio_msg_setmsiq(DIP_TO_HANDLE(dip),
918 	    msg_type, msiq_id)) != H_EOK) {
919 		DBG(DBG_LIB_MSG, dip,
920 		    "hvio_msg_setmsiq failed, ret 0x%lx\n", ret);
921 		return (DDI_FAILURE);
922 	}
923 
924 	return (DDI_SUCCESS);
925 }
926 
927 /*ARGSUSED*/
928 int
929 px_lib_msg_getvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
930     pcie_msg_valid_state_t *msg_valid_state)
931 {
932 	uint64_t	ret;
933 
934 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_getvalid: dip 0x%p msg_type 0x%x\n",
935 	    dip, msg_type);
936 
937 	if ((ret = hvio_msg_getvalid(DIP_TO_HANDLE(dip), msg_type,
938 	    msg_valid_state)) != H_EOK) {
939 		DBG(DBG_LIB_MSG, dip,
940 		    "hvio_msg_getvalid failed, ret 0x%lx\n", ret);
941 		return (DDI_FAILURE);
942 	}
943 
944 	DBG(DBG_LIB_MSI, dip, "px_lib_msg_getvalid: msg_valid_state 0x%x\n",
945 	    *msg_valid_state);
946 
947 	return (DDI_SUCCESS);
948 }
949 
950 /*ARGSUSED*/
951 int
952 px_lib_msg_setvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
953     pcie_msg_valid_state_t msg_valid_state)
954 {
955 	uint64_t	ret;
956 
957 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_setvalid: dip 0x%p msg_type 0x%x "
958 	    "msg_valid_state 0x%x\n", dip, msg_type, msg_valid_state);
959 
960 	if ((ret = hvio_msg_setvalid(DIP_TO_HANDLE(dip), msg_type,
961 	    msg_valid_state)) != H_EOK) {
962 		DBG(DBG_LIB_MSG, dip,
963 		    "hvio_msg_setvalid failed, ret 0x%lx\n", ret);
964 		return (DDI_FAILURE);
965 	}
966 
967 	return (DDI_SUCCESS);
968 }
969 
970 /*
971  * Suspend/Resume Functions:
972  * Currently unsupported by hypervisor and all functions are noops.
973  */
974 /*ARGSUSED*/
975 int
976 px_lib_suspend(dev_info_t *dip)
977 {
978 	DBG(DBG_ATTACH, dip, "px_lib_suspend: Not supported\n");
979 
980 	/* Not supported */
981 	return (DDI_FAILURE);
982 }
983 
984 /*ARGSUSED*/
985 void
986 px_lib_resume(dev_info_t *dip)
987 {
988 	DBG(DBG_ATTACH, dip, "px_lib_resume: Not supported\n");
989 
990 	/* Noop */
991 }
992 
993 /*
994  * Misc Functions:
995  * Currently unsupported by hypervisor and all functions are noops.
996  */
997 /*ARGSUSED*/
998 uint64_t
999 px_lib_get_cb(dev_info_t *dip)
1000 {
1001 	return (DDI_SUCCESS);
1002 }
1003 
1004 /*ARGSUSED*/
1005 void
1006 px_lib_set_cb(dev_info_t *dip, uint64_t val)
1007 {
1008 	/* Noop */
1009 }
1010 
1011 /*ARGSUSED*/
1012 static int
1013 px_lib_config_get(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off,
1014     uint8_t size, pci_cfg_data_t *data_p)
1015 {
1016 	uint64_t	ret;
1017 
1018 	DBG(DBG_LIB_CFG, dip, "px_lib_config_get: dip 0x%p, bdf 0x%llx "
1019 	    "off 0x%x size 0x%x\n", dip, bdf, off, size);
1020 
1021 	if ((ret = hvio_config_get(DIP_TO_HANDLE(dip), bdf, off,
1022 	    size, data_p)) != H_EOK) {
1023 		DBG(DBG_LIB_CFG, dip,
1024 		    "hvio_config_get failed, ret 0x%lx\n", ret);
1025 		return (DDI_FAILURE);
1026 	}
1027 	DBG(DBG_LIB_CFG, dip, "px_config_get: data 0x%x\n", data_p->dw);
1028 
1029 	return (DDI_SUCCESS);
1030 }
1031 
1032 /*ARGSUSED*/
1033 static int
1034 px_lib_config_put(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off,
1035     uint8_t size, pci_cfg_data_t data)
1036 {
1037 	uint64_t	ret;
1038 
1039 	DBG(DBG_LIB_CFG, dip, "px_lib_config_put: dip 0x%p, bdf 0x%llx "
1040 	    "off 0x%x size 0x%x data 0x%llx\n", dip, bdf, off, size, data.qw);
1041 
1042 	if ((ret = hvio_config_put(DIP_TO_HANDLE(dip), bdf, off,
1043 	    size, data)) != H_EOK) {
1044 		DBG(DBG_LIB_CFG, dip,
1045 		    "hvio_config_put failed, ret 0x%lx\n", ret);
1046 		return (DDI_FAILURE);
1047 	}
1048 
1049 	return (DDI_SUCCESS);
1050 }
1051 
1052 static uint32_t
1053 px_pci_config_get(ddi_acc_impl_t *handle, uint32_t *addr, int size)
1054 {
1055 	px_config_acc_pvt_t	*px_pvt = (px_config_acc_pvt_t *)
1056 					handle->ahi_common.ah_bus_private;
1057 	uint32_t pci_dev_addr = px_pvt->raddr;
1058 	uint32_t vaddr = px_pvt->vaddr;
1059 	uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff;
1060 	uint32_t rdata = 0;
1061 
1062 	if (px_lib_config_get(px_pvt->dip, pci_dev_addr, off,
1063 				size, (pci_cfg_data_t *)&rdata) != DDI_SUCCESS)
1064 		/* XXX update error kstats */
1065 		return (0xffffffff);
1066 	return (rdata);
1067 }
1068 
1069 static void
1070 px_pci_config_put(ddi_acc_impl_t *handle, uint32_t *addr,
1071 		int size, pci_cfg_data_t wdata)
1072 {
1073 	px_config_acc_pvt_t	*px_pvt = (px_config_acc_pvt_t *)
1074 					handle->ahi_common.ah_bus_private;
1075 	uint32_t pci_dev_addr = px_pvt->raddr;
1076 	uint32_t vaddr = px_pvt->vaddr;
1077 	uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff;
1078 
1079 	if (px_lib_config_put(px_pvt->dip, pci_dev_addr, off,
1080 				size, wdata) != DDI_SUCCESS) {
1081 		/*EMPTY*/
1082 		/* XXX update error kstats */
1083 	}
1084 }
1085 
1086 static uint8_t
1087 px_pci_config_get8(ddi_acc_impl_t *handle, uint8_t *addr)
1088 {
1089 	return ((uint8_t)px_pci_config_get(handle, (uint32_t *)addr, 1));
1090 }
1091 
1092 static uint16_t
1093 px_pci_config_get16(ddi_acc_impl_t *handle, uint16_t *addr)
1094 {
1095 	return ((uint16_t)px_pci_config_get(handle, (uint32_t *)addr, 2));
1096 }
1097 
1098 static uint32_t
1099 px_pci_config_get32(ddi_acc_impl_t *handle, uint32_t *addr)
1100 {
1101 	return ((uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4));
1102 }
1103 
1104 static uint64_t
1105 px_pci_config_get64(ddi_acc_impl_t *handle, uint64_t *addr)
1106 {
1107 	uint32_t rdatah, rdatal;
1108 
1109 	rdatal = (uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4);
1110 	rdatah = (uint32_t)px_pci_config_get(handle,
1111 				(uint32_t *)((char *)addr+4), 4);
1112 	return (((uint64_t)rdatah << 32) | rdatal);
1113 }
1114 
1115 static void
1116 px_pci_config_put8(ddi_acc_impl_t *handle, uint8_t *addr, uint8_t data)
1117 {
1118 	pci_cfg_data_t wdata = { 0 };
1119 
1120 	wdata.qw = (uint8_t)data;
1121 	px_pci_config_put(handle, (uint32_t *)addr, 1, wdata);
1122 }
1123 
1124 static void
1125 px_pci_config_put16(ddi_acc_impl_t *handle, uint16_t *addr, uint16_t data)
1126 {
1127 	pci_cfg_data_t wdata = { 0 };
1128 
1129 	wdata.qw = (uint16_t)data;
1130 	px_pci_config_put(handle, (uint32_t *)addr, 2, wdata);
1131 }
1132 
1133 static void
1134 px_pci_config_put32(ddi_acc_impl_t *handle, uint32_t *addr, uint32_t data)
1135 {
1136 	pci_cfg_data_t wdata = { 0 };
1137 
1138 	wdata.qw = (uint32_t)data;
1139 	px_pci_config_put(handle, (uint32_t *)addr, 4, wdata);
1140 }
1141 
1142 static void
1143 px_pci_config_put64(ddi_acc_impl_t *handle, uint64_t *addr, uint64_t data)
1144 {
1145 	pci_cfg_data_t wdata = { 0 };
1146 
1147 	wdata.qw = (uint32_t)(data & 0xffffffff);
1148 	px_pci_config_put(handle, (uint32_t *)addr, 4, wdata);
1149 	wdata.qw = (uint32_t)((data >> 32) & 0xffffffff);
1150 	px_pci_config_put(handle, (uint32_t *)((char *)addr+4), 4, wdata);
1151 }
1152 
1153 static void
1154 px_pci_config_rep_get8(ddi_acc_impl_t *handle, uint8_t *host_addr,
1155 			uint8_t *dev_addr, size_t repcount, uint_t flags)
1156 {
1157 	if (flags == DDI_DEV_AUTOINCR)
1158 		for (; repcount; repcount--)
1159 			*host_addr++ = px_pci_config_get8(handle, dev_addr++);
1160 	else
1161 		for (; repcount; repcount--)
1162 			*host_addr++ = px_pci_config_get8(handle, dev_addr);
1163 }
1164 
1165 /*
1166  * Function to rep read 16 bit data off the PCI configuration space behind
1167  * the 21554's host interface.
1168  */
1169 static void
1170 px_pci_config_rep_get16(ddi_acc_impl_t *handle, uint16_t *host_addr,
1171 			uint16_t *dev_addr, size_t repcount, uint_t flags)
1172 {
1173 	if (flags == DDI_DEV_AUTOINCR)
1174 		for (; repcount; repcount--)
1175 			*host_addr++ = px_pci_config_get16(handle, dev_addr++);
1176 	else
1177 		for (; repcount; repcount--)
1178 			*host_addr++ = px_pci_config_get16(handle, dev_addr);
1179 }
1180 
1181 /*
1182  * Function to rep read 32 bit data off the PCI configuration space behind
1183  * the 21554's host interface.
1184  */
1185 static void
1186 px_pci_config_rep_get32(ddi_acc_impl_t *handle, uint32_t *host_addr,
1187 			uint32_t *dev_addr, size_t repcount, uint_t flags)
1188 {
1189 	if (flags == DDI_DEV_AUTOINCR)
1190 		for (; repcount; repcount--)
1191 			*host_addr++ = px_pci_config_get32(handle, dev_addr++);
1192 	else
1193 		for (; repcount; repcount--)
1194 			*host_addr++ = px_pci_config_get32(handle, dev_addr);
1195 }
1196 
1197 /*
1198  * Function to rep read 64 bit data off the PCI configuration space behind
1199  * the 21554's host interface.
1200  */
1201 static void
1202 px_pci_config_rep_get64(ddi_acc_impl_t *handle, uint64_t *host_addr,
1203 			uint64_t *dev_addr, size_t repcount, uint_t flags)
1204 {
1205 	if (flags == DDI_DEV_AUTOINCR)
1206 		for (; repcount; repcount--)
1207 			*host_addr++ = px_pci_config_get64(handle, dev_addr++);
1208 	else
1209 		for (; repcount; repcount--)
1210 			*host_addr++ = px_pci_config_get64(handle, dev_addr);
1211 }
1212 
1213 /*
1214  * Function to rep write 8 bit data into the PCI configuration space behind
1215  * the 21554's host interface.
1216  */
1217 static void
1218 px_pci_config_rep_put8(ddi_acc_impl_t *handle, uint8_t *host_addr,
1219 			uint8_t *dev_addr, size_t repcount, uint_t flags)
1220 {
1221 	if (flags == DDI_DEV_AUTOINCR)
1222 		for (; repcount; repcount--)
1223 			px_pci_config_put8(handle, dev_addr++, *host_addr++);
1224 	else
1225 		for (; repcount; repcount--)
1226 			px_pci_config_put8(handle, dev_addr, *host_addr++);
1227 }
1228 
1229 /*
1230  * Function to rep write 16 bit data into the PCI configuration space behind
1231  * the 21554's host interface.
1232  */
1233 static void
1234 px_pci_config_rep_put16(ddi_acc_impl_t *handle, uint16_t *host_addr,
1235 			uint16_t *dev_addr, size_t repcount, uint_t flags)
1236 {
1237 	if (flags == DDI_DEV_AUTOINCR)
1238 		for (; repcount; repcount--)
1239 			px_pci_config_put16(handle, dev_addr++, *host_addr++);
1240 	else
1241 		for (; repcount; repcount--)
1242 			px_pci_config_put16(handle, dev_addr, *host_addr++);
1243 }
1244 
1245 /*
1246  * Function to rep write 32 bit data into the PCI configuration space behind
1247  * the 21554's host interface.
1248  */
1249 static void
1250 px_pci_config_rep_put32(ddi_acc_impl_t *handle, uint32_t *host_addr,
1251 			uint32_t *dev_addr, size_t repcount, uint_t flags)
1252 {
1253 	if (flags == DDI_DEV_AUTOINCR)
1254 		for (; repcount; repcount--)
1255 			px_pci_config_put32(handle, dev_addr++, *host_addr++);
1256 	else
1257 		for (; repcount; repcount--)
1258 			px_pci_config_put32(handle, dev_addr, *host_addr++);
1259 }
1260 
1261 /*
1262  * Function to rep write 64 bit data into the PCI configuration space behind
1263  * the 21554's host interface.
1264  */
1265 static void
1266 px_pci_config_rep_put64(ddi_acc_impl_t *handle, uint64_t *host_addr,
1267 			uint64_t *dev_addr, size_t repcount, uint_t flags)
1268 {
1269 	if (flags == DDI_DEV_AUTOINCR)
1270 		for (; repcount; repcount--)
1271 			px_pci_config_put64(handle, dev_addr++, *host_addr++);
1272 	else
1273 		for (; repcount; repcount--)
1274 			px_pci_config_put64(handle, dev_addr, *host_addr++);
1275 }
1276 
1277 /*
1278  * Provide a private access handle to route config access calls to Hypervisor.
1279  * Beware: Do all error checking for config space accesses before calling
1280  * this function. ie. do error checking from the calling function.
1281  * Due to a lack of meaningful error code in DDI, the gauranteed return of
1282  * DDI_SUCCESS from here makes the code organization readable/easier from
1283  * the generic code.
1284  */
1285 /*ARGSUSED*/
1286 int
1287 px_lib_map_vconfig(dev_info_t *dip,
1288 	ddi_map_req_t *mp, pci_config_offset_t off,
1289 	pci_regspec_t *rp, caddr_t *addrp)
1290 {
1291 	ddi_acc_hdl_t *hp;
1292 	ddi_acc_impl_t *ap;
1293 	uchar_t busnum;	/* bus number */
1294 	uchar_t devnum;	/* device number */
1295 	uchar_t funcnum; /* function number */
1296 	px_config_acc_pvt_t *px_pvt;
1297 
1298 	hp = (ddi_acc_hdl_t *)mp->map_handlep;
1299 	ap = (ddi_acc_impl_t *)hp->ah_platform_private;
1300 
1301 	/* Check for mapping teardown operation */
1302 	if ((mp->map_op == DDI_MO_UNMAP) ||
1303 			(mp->map_op == DDI_MO_UNLOCK)) {
1304 		/* free up memory allocated for the private access handle. */
1305 		px_pvt = (px_config_acc_pvt_t *)hp->ah_bus_private;
1306 		kmem_free((void *)px_pvt, sizeof (px_config_acc_pvt_t));
1307 
1308 		/* unmap operation of PCI IO/config space. */
1309 		return (DDI_SUCCESS);
1310 	}
1311 
1312 	ap->ahi_get8 = px_pci_config_get8;
1313 	ap->ahi_get16 = px_pci_config_get16;
1314 	ap->ahi_get32 = px_pci_config_get32;
1315 	ap->ahi_get64 = px_pci_config_get64;
1316 	ap->ahi_put8 = px_pci_config_put8;
1317 	ap->ahi_put16 = px_pci_config_put16;
1318 	ap->ahi_put32 = px_pci_config_put32;
1319 	ap->ahi_put64 = px_pci_config_put64;
1320 	ap->ahi_rep_get8 = px_pci_config_rep_get8;
1321 	ap->ahi_rep_get16 = px_pci_config_rep_get16;
1322 	ap->ahi_rep_get32 = px_pci_config_rep_get32;
1323 	ap->ahi_rep_get64 = px_pci_config_rep_get64;
1324 	ap->ahi_rep_put8 = px_pci_config_rep_put8;
1325 	ap->ahi_rep_put16 = px_pci_config_rep_put16;
1326 	ap->ahi_rep_put32 = px_pci_config_rep_put32;
1327 	ap->ahi_rep_put64 = px_pci_config_rep_put64;
1328 
1329 	/* Initialize to default check/notify functions */
1330 	ap->ahi_fault = 0;
1331 	ap->ahi_fault_check = i_ddi_acc_fault_check;
1332 	ap->ahi_fault_notify = i_ddi_acc_fault_notify;
1333 
1334 	/* allocate memory for our private handle */
1335 	px_pvt = (px_config_acc_pvt_t *)
1336 			kmem_zalloc(sizeof (px_config_acc_pvt_t), KM_SLEEP);
1337 	hp->ah_bus_private = (void *)px_pvt;
1338 
1339 	busnum = PCI_REG_BUS_G(rp->pci_phys_hi);
1340 	devnum = PCI_REG_DEV_G(rp->pci_phys_hi);
1341 	funcnum = PCI_REG_FUNC_G(rp->pci_phys_hi);
1342 
1343 	/* set up private data for use during IO routines */
1344 
1345 	/* addr needed by the HV APIs */
1346 	px_pvt->raddr = busnum << 16 | devnum << 11 | funcnum << 8;
1347 	/*
1348 	 * Address that specifies the actual offset into the 256MB
1349 	 * memory mapped configuration space, 4K per device.
1350 	 * First 12bits form the offset into 4K config space.
1351 	 * This address is only used during the IO routines to calculate
1352 	 * the offset at which the transaction must be performed.
1353 	 * Drivers bypassing DDI functions to access PCI config space will
1354 	 * panic the system since the following is a bogus virtual address.
1355 	 */
1356 	px_pvt->vaddr = busnum << 20 | devnum << 15 | funcnum << 12 | off;
1357 	px_pvt->dip = dip;
1358 
1359 	DBG(DBG_LIB_CFG, dip, "px_config_setup: raddr 0x%x, vaddr 0x%x\n",
1360 				px_pvt->raddr, px_pvt->vaddr);
1361 	*addrp = (caddr_t)(uintptr_t)px_pvt->vaddr;
1362 	return (DDI_SUCCESS);
1363 }
1364 
1365 /*ARGSUSED*/
1366 void
1367 px_lib_map_attr_check(ddi_map_req_t *mp)
1368 {
1369 }
1370 
1371 /*
1372  * px_lib_log_safeacc_err:
1373  * Imitate a cpu/mem trap call when a peek/poke fails.
1374  * This will initiate something similar to px_fm_callback.
1375  */
1376 static void
1377 px_lib_log_safeacc_err(px_t *px_p, ddi_acc_handle_t handle, int fme_flag)
1378 {
1379 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)handle;
1380 	px_cb_t	*cb_p = px_p->px_cb_p;
1381 	ddi_fm_error_t derr;
1382 
1383 	derr.fme_status = DDI_FM_NONFATAL;
1384 	derr.fme_version = DDI_FME_VERSION;
1385 	derr.fme_flag = fme_flag;
1386 	derr.fme_ena = fm_ena_generate(0, FM_ENA_FMT1);
1387 	derr.fme_acc_handle = handle;
1388 	if (hp)
1389 		hp->ahi_err->err_expected = DDI_FM_ERR_EXPECTED;
1390 
1391 	mutex_enter(&cb_p->xbc_fm_mutex);
1392 
1393 	(void) ndi_fm_handler_dispatch(px_p->px_dip, NULL, &derr);
1394 
1395 	mutex_exit(&cb_p->xbc_fm_mutex);
1396 }
1397 
1398 
1399 #ifdef  DEBUG
1400 int	px_peekfault_cnt = 0;
1401 int	px_pokefault_cnt = 0;
1402 #endif  /* DEBUG */
1403 
1404 static int
1405 px_lib_bdf_from_dip(dev_info_t *rdip, uint32_t *bdf)
1406 {
1407 	/* Start with an array of 8 reg spaces for now to cover most devices. */
1408 	pci_regspec_t regspec_array[8];
1409 	pci_regspec_t *regspec = regspec_array;
1410 	int buflen = sizeof (regspec_array);
1411 	boolean_t kmalloced = B_FALSE;
1412 	int status;
1413 
1414 	status = ddi_getlongprop_buf(DDI_DEV_T_ANY, rdip,
1415 	    DDI_PROP_DONTPASS, "reg", (caddr_t)regspec, &buflen);
1416 
1417 	/* If need more space, fallback to kmem_alloc. */
1418 	if (status == DDI_PROP_BUF_TOO_SMALL) {
1419 		regspec = kmem_alloc(buflen, KM_SLEEP);
1420 
1421 		status = ddi_getlongprop_buf(DDI_DEV_T_ANY, rdip,
1422 		    DDI_PROP_DONTPASS, "reg", (caddr_t)regspec, &buflen);
1423 
1424 		kmalloced = B_TRUE;
1425 	}
1426 
1427 	/* Get phys_hi from first element.  All have same bdf. */
1428 	if (status == DDI_PROP_SUCCESS)
1429 		*bdf = regspec->pci_phys_hi & (PCI_REG_BDFR_M ^ PCI_REG_REG_M);
1430 
1431 	if (kmalloced)
1432 		kmem_free(regspec, buflen);
1433 
1434 	return ((status == DDI_PROP_SUCCESS) ? DDI_SUCCESS : DDI_FAILURE);
1435 }
1436 
1437 /*
1438  * Do a safe write to a device.
1439  *
1440  * When this function is given a handle (cautious access), all errors are
1441  * suppressed.
1442  *
1443  * When this function is not given a handle (poke), only Unsupported Request
1444  * and Completer Abort errors are suppressed.
1445  *
1446  * In all cases, all errors are returned in the function return status.
1447  */
1448 
1449 int
1450 px_lib_ctlops_poke(dev_info_t *dip, dev_info_t *rdip,
1451     peekpoke_ctlops_t *in_args)
1452 {
1453 	px_t *px_p = DIP_TO_STATE(dip);
1454 	px_pec_t *pec_p = px_p->px_pec_p;
1455 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle;
1456 
1457 	size_t repcount = in_args->repcount;
1458 	size_t size = in_args->size;
1459 	uintptr_t dev_addr = in_args->dev_addr;
1460 	uintptr_t host_addr = in_args->host_addr;
1461 
1462 	int err	= DDI_SUCCESS;
1463 	uint64_t hvio_poke_status;
1464 	uint32_t bdf;
1465 	uint32_t wrt_stat;
1466 
1467 	r_addr_t ra;
1468 	uint64_t pokeval;
1469 
1470 	/*
1471 	 * Used only to notify error handling peek/poke is occuring
1472 	 * One scenario is when a fabric err as a result of peek/poke.
1473 	 * However there is no way to guarantee that the fabric error
1474 	 * handler will occur in the window where otd is set.
1475 	 */
1476 	on_trap_data_t otd;
1477 
1478 	if (px_lib_bdf_from_dip(rdip, &bdf) != DDI_SUCCESS) {
1479 		DBG(DBG_LIB_DMA, px_p->px_dip,
1480 		    "poke: px_lib_bdf_from_dip failed\n");
1481 		err = DDI_FAILURE;
1482 		goto done;
1483 	}
1484 
1485 	ra = (r_addr_t)va_to_pa((void *)dev_addr);
1486 	for (; repcount; repcount--) {
1487 
1488 		switch (size) {
1489 		case sizeof (uint8_t):
1490 			pokeval = *(uint8_t *)host_addr;
1491 			break;
1492 		case sizeof (uint16_t):
1493 			pokeval = *(uint16_t *)host_addr;
1494 			break;
1495 		case sizeof (uint32_t):
1496 			pokeval = *(uint32_t *)host_addr;
1497 			break;
1498 		case sizeof (uint64_t):
1499 			pokeval = *(uint64_t *)host_addr;
1500 			break;
1501 		default:
1502 			DBG(DBG_MAP, px_p->px_dip,
1503 			    "poke: invalid size %d passed\n", size);
1504 			err = DDI_FAILURE;
1505 			goto done;
1506 		}
1507 
1508 		/*
1509 		 * Grab pokefault mutex since hypervisor does not guarantee
1510 		 * poke serialization.
1511 		 */
1512 		if (hp) {
1513 			i_ndi_busop_access_enter(hp->ahi_common.ah_dip,
1514 			    (ddi_acc_handle_t)hp);
1515 			pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED;
1516 		} else {
1517 			mutex_enter(&pec_p->pec_pokefault_mutex);
1518 			pec_p->pec_safeacc_type = DDI_FM_ERR_POKE;
1519 		}
1520 		pec_p->pec_ontrap_data = &otd;
1521 
1522 		hvio_poke_status = hvio_poke(px_p->px_dev_hdl, ra, size,
1523 			    pokeval, bdf, &wrt_stat);
1524 
1525 		if (otd.ot_trap & OT_DATA_ACCESS)
1526 			err = DDI_FAILURE;
1527 
1528 		if ((hvio_poke_status != H_EOK) || (wrt_stat != H_EOK)) {
1529 			err = DDI_FAILURE;
1530 #ifdef  DEBUG
1531 			px_pokefault_cnt++;
1532 #endif
1533 			/*
1534 			 * For CAUTIOUS and POKE access, notify FMA to
1535 			 * cleanup.  Imitate a cpu/mem trap call like in sun4u.
1536 			 */
1537 			px_lib_log_safeacc_err(px_p, (ddi_acc_handle_t)hp,
1538 			    (hp ? DDI_FM_ERR_EXPECTED :
1539 			    DDI_FM_ERR_POKE));
1540 
1541 			pec_p->pec_ontrap_data = NULL;
1542 			pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1543 			if (hp) {
1544 				i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1545 				    (ddi_acc_handle_t)hp);
1546 			} else {
1547 				mutex_exit(&pec_p->pec_pokefault_mutex);
1548 			}
1549 			goto done;
1550 		}
1551 
1552 		pec_p->pec_ontrap_data = NULL;
1553 		pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1554 		if (hp) {
1555 			i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1556 			    (ddi_acc_handle_t)hp);
1557 		} else {
1558 			mutex_exit(&pec_p->pec_pokefault_mutex);
1559 		}
1560 
1561 		host_addr += size;
1562 
1563 		if (in_args->flags == DDI_DEV_AUTOINCR) {
1564 			dev_addr += size;
1565 			ra = (r_addr_t)va_to_pa((void *)dev_addr);
1566 		}
1567 	}
1568 
1569 done:
1570 	return (err);
1571 }
1572 
1573 
1574 /*ARGSUSED*/
1575 int
1576 px_lib_ctlops_peek(dev_info_t *dip, dev_info_t *rdip,
1577     peekpoke_ctlops_t *in_args, void *result)
1578 {
1579 	px_t *px_p = DIP_TO_STATE(dip);
1580 	px_pec_t *pec_p = px_p->px_pec_p;
1581 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle;
1582 
1583 	size_t repcount = in_args->repcount;
1584 	uintptr_t dev_addr = in_args->dev_addr;
1585 	uintptr_t host_addr = in_args->host_addr;
1586 
1587 	r_addr_t ra;
1588 	uint32_t read_status;
1589 	uint64_t hvio_peek_status;
1590 	uint64_t peekval;
1591 	int err = DDI_SUCCESS;
1592 
1593 	/*
1594 	 * Used only to notify error handling peek/poke is occuring
1595 	 * One scenario is when a fabric err as a result of peek/poke.
1596 	 * However there is no way to guarantee that the fabric error
1597 	 * handler will occur in the window where otd is set.
1598 	 */
1599 	on_trap_data_t otd;
1600 
1601 	result = (void *)in_args->host_addr;
1602 
1603 	ra = (r_addr_t)va_to_pa((void *)dev_addr);
1604 	for (; repcount; repcount--) {
1605 
1606 		/* Lock pokefault mutex so read doesn't mask a poke fault. */
1607 		if (hp) {
1608 			i_ndi_busop_access_enter(hp->ahi_common.ah_dip,
1609 			    (ddi_acc_handle_t)hp);
1610 			pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED;
1611 		} else {
1612 			mutex_enter(&pec_p->pec_pokefault_mutex);
1613 			pec_p->pec_safeacc_type = DDI_FM_ERR_PEEK;
1614 		}
1615 		pec_p->pec_ontrap_data = &otd;
1616 
1617 		hvio_peek_status = hvio_peek(px_p->px_dev_hdl, ra,
1618 		    in_args->size, &read_status, &peekval);
1619 
1620 		if ((hvio_peek_status != H_EOK) || (read_status != H_EOK)) {
1621 			err = DDI_FAILURE;
1622 
1623 			/*
1624 			 * For CAUTIOUS and PEEK access, notify FMA to
1625 			 * cleanup.  Imitate a cpu/mem trap call like in sun4u.
1626 			 */
1627 			px_lib_log_safeacc_err(px_p, (ddi_acc_handle_t)hp,
1628 			    (hp ? DDI_FM_ERR_EXPECTED :
1629 			    DDI_FM_ERR_PEEK));
1630 
1631 			/* Stuff FFs in host addr if peek. */
1632 			if (hp == NULL) {
1633 				int i;
1634 				uint8_t *ff_addr = (uint8_t *)host_addr;
1635 				for (i = 0; i < in_args->size; i++)
1636 					*ff_addr++ = 0xff;
1637 			}
1638 #ifdef  DEBUG
1639 			px_peekfault_cnt++;
1640 #endif
1641 			pec_p->pec_ontrap_data = NULL;
1642 			pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1643 			if (hp) {
1644 				i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1645 				    (ddi_acc_handle_t)hp);
1646 			} else {
1647 				mutex_exit(&pec_p->pec_pokefault_mutex);
1648 			}
1649 			goto done;
1650 
1651 		}
1652 		pec_p->pec_ontrap_data = NULL;
1653 		pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1654 		if (hp) {
1655 			i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1656 			    (ddi_acc_handle_t)hp);
1657 		} else {
1658 			mutex_exit(&pec_p->pec_pokefault_mutex);
1659 		}
1660 
1661 		switch (in_args->size) {
1662 		case sizeof (uint8_t):
1663 			*(uint8_t *)host_addr = (uint8_t)peekval;
1664 			break;
1665 		case sizeof (uint16_t):
1666 			*(uint16_t *)host_addr = (uint16_t)peekval;
1667 			break;
1668 		case sizeof (uint32_t):
1669 			*(uint32_t *)host_addr = (uint32_t)peekval;
1670 			break;
1671 		case sizeof (uint64_t):
1672 			*(uint64_t *)host_addr = (uint64_t)peekval;
1673 			break;
1674 		default:
1675 			DBG(DBG_MAP, px_p->px_dip,
1676 			    "peek: invalid size %d passed\n",
1677 			    in_args->size);
1678 			err = DDI_FAILURE;
1679 			goto done;
1680 		}
1681 
1682 		host_addr += in_args->size;
1683 
1684 		if (in_args->flags == DDI_DEV_AUTOINCR) {
1685 			dev_addr += in_args->size;
1686 			ra = (r_addr_t)va_to_pa((void *)dev_addr);
1687 		}
1688 	}
1689 done:
1690 	return (err);
1691 }
1692 
1693 
1694 /* add interrupt vector */
1695 int
1696 px_err_add_intr(px_fault_t *px_fault_p)
1697 {
1698 	int	ret;
1699 	px_t	*px_p = DIP_TO_STATE(px_fault_p->px_fh_dip);
1700 
1701 	DBG(DBG_LIB_INT, px_p->px_dip,
1702 	    "px_err_add_intr: calling add_ivintr");
1703 	ret = add_ivintr(px_fault_p->px_fh_sysino, PX_ERR_PIL,
1704 	    px_fault_p->px_err_func, (caddr_t)px_fault_p,
1705 	    (caddr_t)&px_fault_p->px_intr_payload[0]);
1706 
1707 	if (ret != DDI_SUCCESS) {
1708 		DBG(DBG_LIB_INT, px_p->px_dip,
1709 		"add_ivintr returns %d, faultp: %p", ret, px_fault_p);
1710 
1711 		return (ret);
1712 	}
1713 	DBG(DBG_LIB_INT, px_p->px_dip,
1714 	    "px_err_add_intr: ib_intr_enable ");
1715 
1716 	px_ib_intr_enable(px_p, intr_dist_cpuid(), px_fault_p->px_intr_ino);
1717 
1718 	return (ret);
1719 }
1720 
1721 
1722 /* remove interrupt vector */
1723 void
1724 px_err_rem_intr(px_fault_t *px_fault_p)
1725 {
1726 	px_t	*px_p = DIP_TO_STATE(px_fault_p->px_fh_dip);
1727 
1728 	px_ib_intr_disable(px_p->px_ib_p, px_fault_p->px_intr_ino,
1729 	    IB_INTR_WAIT);
1730 
1731 	rem_ivintr(px_fault_p->px_fh_sysino, NULL);
1732 }
1733 
1734 
1735 #ifdef FMA
1736 void
1737 px_fill_rc_status(px_fault_t *px_fault_p, pciex_rc_error_regs_t *rc_status)
1738 {
1739 	px_pec_err_t	*err_pkt;
1740 
1741 	err_pkt = (px_pec_err_t *)px_fault_p->px_intr_payload;
1742 
1743 	/* initialise all the structure members */
1744 	rc_status->status_valid = 0;
1745 
1746 	if (err_pkt->pec_descr.P) {
1747 		/* PCI Status Register */
1748 		rc_status->pci_err_status = err_pkt->pci_err_status;
1749 		rc_status->status_valid |= PCI_ERR_STATUS_VALID;
1750 	}
1751 
1752 	if (err_pkt->pec_descr.E) {
1753 		/* PCIe Status Register */
1754 		rc_status->pcie_err_status = err_pkt->pcie_err_status;
1755 		rc_status->status_valid |= PCIE_ERR_STATUS_VALID;
1756 	}
1757 
1758 	if (err_pkt->pec_descr.U) {
1759 		rc_status->ue_status = err_pkt->ue_reg_status;
1760 		rc_status->status_valid |= UE_STATUS_VALID;
1761 	}
1762 
1763 	if (err_pkt->pec_descr.H) {
1764 		rc_status->ue_hdr1 = err_pkt->hdr[0];
1765 		rc_status->status_valid |= UE_HDR1_VALID;
1766 	}
1767 
1768 	if (err_pkt->pec_descr.I) {
1769 		rc_status->ue_hdr2 = err_pkt->hdr[1];
1770 		rc_status->status_valid |= UE_HDR2_VALID;
1771 	}
1772 
1773 	/* ue_fst_err_ptr - not available for sun4v?? */
1774 
1775 
1776 	if (err_pkt->pec_descr.S) {
1777 		rc_status->source_id = err_pkt->err_src_reg;
1778 		rc_status->status_valid |= SOURCE_ID_VALID;
1779 	}
1780 
1781 	if (err_pkt->pec_descr.R) {
1782 		rc_status->root_err_status = err_pkt->root_err_status;
1783 		rc_status->status_valid |= CE_STATUS_VALID;
1784 	}
1785 }
1786 #endif
1787 
1788 /*ARGSUSED*/
1789 int
1790 px_lib_pmctl(int cmd, px_t *px_p)
1791 {
1792 	return (DDI_FAILURE);
1793 }
1794 
1795 /*ARGSUSED*/
1796 uint_t
1797 px_pmeq_intr(caddr_t arg)
1798 {
1799 	return (DDI_INTR_CLAIMED);
1800 }
1801 
1802 /*
1803  * Unprotected raw reads/writes of fabric device's config space.
1804  * Only used for temporary PCI-E Fabric Error Handling.
1805  */
1806 uint32_t
1807 px_fab_get(px_t *px_p, pcie_req_id_t bdf, uint16_t offset) {
1808 	uint32_t 	data = 0;
1809 
1810 	(void) hvio_config_get(px_p->px_dev_hdl,
1811 	    (bdf << PX_RA_BDF_SHIFT), offset, 4,
1812 	    (pci_cfg_data_t *)&data);
1813 
1814 	return (data);
1815 }
1816 
1817 void
1818 px_fab_set(px_t *px_p, pcie_req_id_t bdf, uint16_t offset,
1819     uint32_t val) {
1820 	pci_cfg_data_t	wdata = { 0 };
1821 
1822 	wdata.qw = (uint32_t)val;
1823 	(void) hvio_config_put(px_p->px_dev_hdl,
1824 	    (bdf << PX_RA_BDF_SHIFT), offset, 4, wdata);
1825 }
1826 
1827 /* Dummy cpr add callback */
1828 /*ARGSUSED*/
1829 void
1830 px_cpr_add_callb(px_t *px_p)
1831 {
1832 }
1833 
1834 /* Dummy cpr rem callback */
1835 /*ARGSUSED*/
1836 void
1837 px_cpr_rem_callb(px_t *px_p)
1838 {
1839 }
1840