xref: /titanic_50/usr/src/uts/sun4v/io/px/px_lib4v.c (revision d338766d6376ee721b7f1778e12bf79a112bd778)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include <sys/types.h>
29 #include <sys/sysmacros.h>
30 #include <sys/ddi.h>
31 #include <sys/async.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 <sys/hsvc.h>
41 #include <px_obj.h>
42 #include <sys/machsystm.h>
43 #include <sys/hotplug/pci/pcihp.h>
44 #include "px_lib4v.h"
45 #include "px_err.h"
46 
47 /* mask for the ranges property in calculating the real PFN range */
48 uint_t px_ranges_phi_mask = ((1 << 28) -1);
49 
50 /*
51  * Hypervisor VPCI services information for the px nexus driver.
52  */
53 static	uint64_t	px_vpci_min_ver; /* Negotiated VPCI API minor version */
54 static	uint_t		px_vpci_users = 0; /* VPCI API users */
55 
56 static hsvc_info_t px_hsvc = {
57 	HSVC_REV_1, NULL, HSVC_GROUP_VPCI, PX_VPCI_MAJOR_VER,
58 	PX_VPCI_MINOR_VER, "PX"
59 };
60 
61 int
62 px_lib_dev_init(dev_info_t *dip, devhandle_t *dev_hdl)
63 {
64 	px_nexus_regspec_t	*rp;
65 	uint_t			reglen;
66 	int			ret;
67 
68 	DBG(DBG_ATTACH, dip, "px_lib_dev_init: dip 0x%p\n", dip);
69 
70 	ret = ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
71 	    "reg", (uchar_t **)&rp, &reglen);
72 	if (ret != DDI_PROP_SUCCESS) {
73 		DBG(DBG_ATTACH, dip, "px_lib_dev_init failed ret=%d\n", ret);
74 		return (DDI_FAILURE);
75 	}
76 
77 	/*
78 	 * Initilize device handle. The device handle uniquely identifies
79 	 * a SUN4V device. It consists of the lower 28-bits of the hi-cell
80 	 * of the first entry of the SUN4V device's "reg" property as
81 	 * defined by the SUN4V Bus Binding to Open Firmware.
82 	 */
83 	*dev_hdl = (devhandle_t)((rp->phys_addr >> 32) & DEVHDLE_MASK);
84 	ddi_prop_free(rp);
85 
86 	/*
87 	 * hotplug implementation requires this property to be associated with
88 	 * any indirect PCI config access services
89 	 */
90 	(void) ddi_prop_update_int(makedevice(ddi_driver_major(dip),
91 	    PCIHP_AP_MINOR_NUM(ddi_get_instance(dip), PCIHP_DEVCTL_MINOR)), dip,
92 	    PCI_BUS_CONF_MAP_PROP, 1);
93 
94 	DBG(DBG_ATTACH, dip, "px_lib_dev_init: dev_hdl 0x%llx\n", *dev_hdl);
95 
96 	/*
97 	 * Negotiate the API version for VPCI hypervisor services.
98 	 */
99 	if (px_vpci_users++)
100 		return (DDI_SUCCESS);
101 
102 	if ((ret = hsvc_register(&px_hsvc, &px_vpci_min_ver)) != 0) {
103 		cmn_err(CE_WARN, "%s: cannot negotiate hypervisor services "
104 		    "group: 0x%lx major: 0x%lx minor: 0x%lx errno: %d\n",
105 		    px_hsvc.hsvc_modname, px_hsvc.hsvc_group,
106 		    px_hsvc.hsvc_major, px_hsvc.hsvc_minor, ret);
107 
108 		return (DDI_FAILURE);
109 	}
110 
111 	DBG(DBG_ATTACH, dip, "px_lib_dev_init: negotiated VPCI API version, "
112 	    "major 0x%lx minor 0x%lx\n", px_hsvc.hsvc_major, px_vpci_min_ver);
113 
114 	return (DDI_SUCCESS);
115 }
116 
117 /*ARGSUSED*/
118 int
119 px_lib_dev_fini(dev_info_t *dip)
120 {
121 	DBG(DBG_DETACH, dip, "px_lib_dev_fini: dip 0x%p\n", dip);
122 
123 	(void) ddi_prop_remove(makedevice(ddi_driver_major(dip),
124 	    PCIHP_AP_MINOR_NUM(ddi_get_instance(dip), PCIHP_DEVCTL_MINOR)), dip,
125 	    PCI_BUS_CONF_MAP_PROP);
126 
127 	if (--px_vpci_users == 0)
128 		(void) hsvc_unregister(&px_hsvc);
129 
130 	return (DDI_SUCCESS);
131 }
132 
133 /*ARGSUSED*/
134 int
135 px_lib_intr_devino_to_sysino(dev_info_t *dip, devino_t devino,
136     sysino_t *sysino)
137 {
138 	uint64_t	ret;
139 
140 	DBG(DBG_LIB_INT, dip, "px_lib_intr_devino_to_sysino: dip 0x%p "
141 	    "devino 0x%x\n", dip, devino);
142 
143 	if ((ret = hvio_intr_devino_to_sysino(DIP_TO_HANDLE(dip),
144 	    devino, sysino)) != H_EOK) {
145 		DBG(DBG_LIB_INT, dip,
146 		    "hvio_intr_devino_to_sysino failed, ret 0x%lx\n", ret);
147 		return (DDI_FAILURE);
148 	}
149 
150 	DBG(DBG_LIB_INT, dip, "px_lib_intr_devino_to_sysino: sysino 0x%llx\n",
151 	    *sysino);
152 
153 	return (DDI_SUCCESS);
154 }
155 
156 /*ARGSUSED*/
157 int
158 px_lib_intr_getvalid(dev_info_t *dip, sysino_t sysino,
159     intr_valid_state_t *intr_valid_state)
160 {
161 	uint64_t	ret;
162 
163 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getvalid: dip 0x%p sysino 0x%llx\n",
164 	    dip, sysino);
165 
166 	if ((ret = hvio_intr_getvalid(sysino,
167 	    (int *)intr_valid_state)) != H_EOK) {
168 		DBG(DBG_LIB_INT, dip, "hvio_intr_getvalid failed, ret 0x%lx\n",
169 		    ret);
170 		return (DDI_FAILURE);
171 	}
172 
173 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getvalid: intr_valid_state 0x%x\n",
174 	    *intr_valid_state);
175 
176 	return (DDI_SUCCESS);
177 }
178 
179 /*ARGSUSED*/
180 int
181 px_lib_intr_setvalid(dev_info_t *dip, sysino_t sysino,
182     intr_valid_state_t intr_valid_state)
183 {
184 	uint64_t	ret;
185 
186 	DBG(DBG_LIB_INT, dip, "px_lib_intr_setvalid: dip 0x%p sysino 0x%llx "
187 	    "intr_valid_state 0x%x\n", dip, sysino, intr_valid_state);
188 
189 	if ((ret = hvio_intr_setvalid(sysino, intr_valid_state)) != H_EOK) {
190 		DBG(DBG_LIB_INT, dip, "hvio_intr_setvalid failed, ret 0x%lx\n",
191 		    ret);
192 		return (DDI_FAILURE);
193 	}
194 
195 	return (DDI_SUCCESS);
196 }
197 
198 /*ARGSUSED*/
199 int
200 px_lib_intr_getstate(dev_info_t *dip, sysino_t sysino,
201     intr_state_t *intr_state)
202 {
203 	uint64_t	ret;
204 
205 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getstate: dip 0x%p sysino 0x%llx\n",
206 	    dip, sysino);
207 
208 	if ((ret = hvio_intr_getstate(sysino, (int *)intr_state)) != H_EOK) {
209 		DBG(DBG_LIB_INT, dip, "hvio_intr_getstate failed, ret 0x%lx\n",
210 		    ret);
211 		return (DDI_FAILURE);
212 	}
213 
214 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getstate: intr_state 0x%x\n",
215 	    *intr_state);
216 
217 	return (DDI_SUCCESS);
218 }
219 
220 /*ARGSUSED*/
221 int
222 px_lib_intr_setstate(dev_info_t *dip, sysino_t sysino,
223     intr_state_t intr_state)
224 {
225 	uint64_t	ret;
226 
227 	DBG(DBG_LIB_INT, dip, "px_lib_intr_setstate: dip 0x%p sysino 0x%llx "
228 	    "intr_state 0x%x\n", dip, sysino, intr_state);
229 
230 	if ((ret = hvio_intr_setstate(sysino, intr_state)) != H_EOK) {
231 		DBG(DBG_LIB_INT, dip, "hvio_intr_setstate failed, ret 0x%lx\n",
232 		    ret);
233 		return (DDI_FAILURE);
234 	}
235 
236 	return (DDI_SUCCESS);
237 }
238 
239 /*ARGSUSED*/
240 int
241 px_lib_intr_gettarget(dev_info_t *dip, sysino_t sysino, cpuid_t *cpuid)
242 {
243 	uint64_t	ret;
244 
245 	DBG(DBG_LIB_INT, dip, "px_lib_intr_gettarget: dip 0x%p sysino 0x%llx\n",
246 	    dip, sysino);
247 
248 	if ((ret = hvio_intr_gettarget(sysino, cpuid)) != H_EOK) {
249 		DBG(DBG_LIB_INT, dip,
250 		    "hvio_intr_gettarget failed, ret 0x%lx\n", ret);
251 		return (DDI_FAILURE);
252 	}
253 
254 	DBG(DBG_LIB_INT, dip, "px_lib_intr_gettarget: cpuid 0x%x\n", cpuid);
255 
256 	return (DDI_SUCCESS);
257 }
258 
259 /*ARGSUSED*/
260 int
261 px_lib_intr_settarget(dev_info_t *dip, sysino_t sysino, cpuid_t cpuid)
262 {
263 	uint64_t	ret;
264 
265 	DBG(DBG_LIB_INT, dip, "px_lib_intr_settarget: dip 0x%p sysino 0x%llx "
266 	    "cpuid 0x%x\n", dip, sysino, cpuid);
267 
268 	if ((ret = hvio_intr_settarget(sysino, cpuid)) != H_EOK) {
269 		DBG(DBG_LIB_INT, dip,
270 		    "hvio_intr_settarget failed, ret 0x%lx\n", ret);
271 		return (DDI_FAILURE);
272 	}
273 
274 	return (DDI_SUCCESS);
275 }
276 
277 /*ARGSUSED*/
278 int
279 px_lib_intr_reset(dev_info_t *dip)
280 {
281 	px_t			*px_p = DIP_TO_STATE(dip);
282 	px_ib_t			*ib_p = px_p->px_ib_p;
283 	px_ib_ino_info_t	*ino_p;
284 
285 	DBG(DBG_LIB_INT, dip, "px_lib_intr_reset: dip 0x%p\n", dip);
286 
287 	mutex_enter(&ib_p->ib_ino_lst_mutex);
288 
289 	/* Reset all Interrupts */
290 	for (ino_p = ib_p->ib_ino_lst; ino_p; ino_p = ino_p->ino_next) {
291 		if (px_lib_intr_setstate(dip, ino_p->ino_sysino,
292 		    INTR_IDLE_STATE) != DDI_SUCCESS)
293 			return (BF_FATAL);
294 	}
295 
296 	mutex_exit(&ib_p->ib_ino_lst_mutex);
297 
298 	return (BF_NONE);
299 }
300 
301 /*ARGSUSED*/
302 int
303 px_lib_iommu_map(dev_info_t *dip, tsbid_t tsbid, pages_t pages,
304     io_attributes_t attr, void *addr, size_t pfn_index, int flags)
305 {
306 	tsbnum_t	tsb_num = PCI_TSBID_TO_TSBNUM(tsbid);
307 	tsbindex_t	tsb_index = PCI_TSBID_TO_TSBINDEX(tsbid);
308 	io_page_list_t	*pfns, *pfn_p;
309 	pages_t		ttes_mapped = 0;
310 	int		i, err = DDI_SUCCESS;
311 
312 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: dip 0x%p tsbid 0x%llx "
313 	    "pages 0x%x attr 0x%x addr 0x%p pfn_index 0x%llx flags 0x%x\n",
314 	    dip, tsbid, pages, attr, addr, pfn_index, flags);
315 
316 	if ((pfns = pfn_p = kmem_zalloc((pages * sizeof (io_page_list_t)),
317 	    KM_NOSLEEP)) == NULL) {
318 		DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: kmem_zalloc failed\n");
319 		return (DDI_FAILURE);
320 	}
321 
322 	for (i = 0; i < pages; i++)
323 		pfns[i] = MMU_PTOB(PX_ADDR2PFN(addr, pfn_index, flags, i));
324 
325 	/*
326 	 * If HV VPCI version is 1.1 and higher, pass the BDF, phantom
327 	 * function, and relax ordering information. Otherwise, justp pass
328 	 * read or write attribute information.
329 	 */
330 	if (px_vpci_min_ver == PX_VPCI_MINOR_VER_0)
331 		attr = attr & (PCI_MAP_ATTR_READ | PCI_MAP_ATTR_WRITE);
332 
333 	while ((ttes_mapped = pfn_p - pfns) < pages) {
334 		uintptr_t	ra = va_to_pa(pfn_p);
335 		pages_t		ttes2map;
336 		uint64_t	ret;
337 
338 		ttes2map = (MMU_PAGE_SIZE - P2PHASE(ra, MMU_PAGE_SIZE)) >> 3;
339 		ra = MMU_PTOB(MMU_BTOP(ra));
340 
341 		for (ttes2map = MIN(ttes2map, pages - ttes_mapped); ttes2map;
342 		    ttes2map -= ttes_mapped, pfn_p += ttes_mapped) {
343 
344 			ttes_mapped = 0;
345 			if ((ret = hvio_iommu_map(DIP_TO_HANDLE(dip),
346 			    PCI_TSBID(tsb_num, tsb_index + (pfn_p - pfns)),
347 			    ttes2map, attr, (io_page_list_t *)(ra |
348 			    ((uintptr_t)pfn_p & MMU_PAGE_OFFSET)),
349 			    &ttes_mapped)) != H_EOK) {
350 				DBG(DBG_LIB_DMA, dip, "hvio_iommu_map failed "
351 				    "ret 0x%lx\n", ret);
352 
353 				ttes_mapped = pfn_p - pfns;
354 				err = DDI_FAILURE;
355 				goto cleanup;
356 			}
357 
358 			DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: tsb_num 0x%x "
359 			    "tsb_index 0x%lx ttes_to_map 0x%lx attr 0x%x "
360 			    "ra 0x%p ttes_mapped 0x%x\n", tsb_num,
361 			    tsb_index + (pfn_p - pfns), ttes2map, attr,
362 			    ra | ((uintptr_t)pfn_p & MMU_PAGE_OFFSET),
363 			    ttes_mapped);
364 		}
365 	}
366 
367 cleanup:
368 	if ((err == DDI_FAILURE) && ttes_mapped)
369 		(void) px_lib_iommu_demap(dip, tsbid, ttes_mapped);
370 
371 	kmem_free(pfns, pages * sizeof (io_page_list_t));
372 	return (err);
373 }
374 
375 /*ARGSUSED*/
376 int
377 px_lib_iommu_demap(dev_info_t *dip, tsbid_t tsbid, pages_t pages)
378 {
379 	tsbnum_t	tsb_num = PCI_TSBID_TO_TSBNUM(tsbid);
380 	tsbindex_t	tsb_index = PCI_TSBID_TO_TSBINDEX(tsbid);
381 	pages_t		ttes2demap, ttes_demapped = 0;
382 	uint64_t	ret;
383 
384 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_demap: dip 0x%p tsbid 0x%llx "
385 	    "pages 0x%x\n", dip, tsbid, pages);
386 
387 	for (ttes2demap = pages; ttes2demap;
388 	    ttes2demap -= ttes_demapped, tsb_index += ttes_demapped) {
389 		if ((ret = hvio_iommu_demap(DIP_TO_HANDLE(dip),
390 		    PCI_TSBID(tsb_num, tsb_index), ttes2demap,
391 		    &ttes_demapped)) != H_EOK) {
392 			DBG(DBG_LIB_DMA, dip, "hvio_iommu_demap failed, "
393 			    "ret 0x%lx\n", ret);
394 
395 			return (DDI_FAILURE);
396 		}
397 
398 		DBG(DBG_LIB_DMA, dip, "px_lib_iommu_demap: tsb_num 0x%x "
399 		    "tsb_index 0x%lx ttes_to_demap 0x%lx ttes_demapped 0x%x\n",
400 		    tsb_num, tsb_index, ttes2demap, ttes_demapped);
401 	}
402 
403 	return (DDI_SUCCESS);
404 }
405 
406 /*ARGSUSED*/
407 int
408 px_lib_iommu_getmap(dev_info_t *dip, tsbid_t tsbid, io_attributes_t *attr_p,
409     r_addr_t *r_addr_p)
410 {
411 	uint64_t	ret;
412 
413 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getmap: dip 0x%p tsbid 0x%llx\n",
414 	    dip, tsbid);
415 
416 	if ((ret = hvio_iommu_getmap(DIP_TO_HANDLE(dip), tsbid,
417 	    attr_p, r_addr_p)) != H_EOK) {
418 		DBG(DBG_LIB_DMA, dip,
419 		    "hvio_iommu_getmap failed, ret 0x%lx\n", ret);
420 
421 		return ((ret == H_ENOMAP) ? DDI_DMA_NOMAPPING:DDI_FAILURE);
422 	}
423 
424 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getmap: attr 0x%x r_addr 0x%llx\n",
425 	    *attr_p, *r_addr_p);
426 
427 	return (DDI_SUCCESS);
428 }
429 
430 /*ARGSUSED*/
431 uint64_t
432 px_get_rng_parent_hi_mask(px_t *px_p)
433 {
434 	return (PX_RANGE_PROP_MASK);
435 }
436 
437 /*
438  * Checks dma attributes against system bypass ranges
439  * A sun4v device must be capable of generating the entire 64-bit
440  * address in order to perform bypass DMA.
441  */
442 /*ARGSUSED*/
443 int
444 px_lib_dma_bypass_rngchk(dev_info_t *dip, ddi_dma_attr_t *attr_p,
445     uint64_t *lo_p, uint64_t *hi_p)
446 {
447 	if ((attr_p->dma_attr_addr_lo != 0ull) ||
448 	    (attr_p->dma_attr_addr_hi != UINT64_MAX)) {
449 
450 		return (DDI_DMA_BADATTR);
451 	}
452 
453 	*lo_p = 0ull;
454 	*hi_p = UINT64_MAX;
455 
456 	return (DDI_SUCCESS);
457 }
458 
459 
460 /*ARGSUSED*/
461 int
462 px_lib_iommu_getbypass(dev_info_t *dip, r_addr_t ra, io_attributes_t attr,
463     io_addr_t *io_addr_p)
464 {
465 	uint64_t	ret;
466 
467 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: dip 0x%p ra 0x%llx "
468 	    "attr 0x%x\n", dip, ra, attr);
469 
470 	if ((ret = hvio_iommu_getbypass(DIP_TO_HANDLE(dip), ra,
471 	    attr, io_addr_p)) != H_EOK) {
472 		DBG(DBG_LIB_DMA, dip,
473 		    "hvio_iommu_getbypass failed, ret 0x%lx\n", ret);
474 		return (ret == H_ENOTSUPPORTED ? DDI_ENOTSUP : DDI_FAILURE);
475 	}
476 
477 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: io_addr 0x%llx\n",
478 	    *io_addr_p);
479 
480 	return (DDI_SUCCESS);
481 }
482 
483 /*ARGSUSED*/
484 int
485 px_lib_dma_sync(dev_info_t *dip, dev_info_t *rdip, ddi_dma_handle_t handle,
486 	off_t off, size_t len, uint_t cache_flags)
487 {
488 	ddi_dma_impl_t *mp = (ddi_dma_impl_t *)handle;
489 	uint64_t sync_dir;
490 	px_dvma_addr_t dvma_addr, pg_off;
491 	size_t num_sync;
492 	uint64_t status = H_EOK;
493 
494 	DBG(DBG_LIB_DMA, dip, "px_lib_dma_sync: dip 0x%p rdip 0x%p "
495 	    "handle 0x%llx off 0x%x len 0x%x flags 0x%x\n",
496 	    dip, rdip, handle, off, len, cache_flags);
497 
498 	if (!(mp->dmai_flags & PX_DMAI_FLAGS_INUSE)) {
499 		cmn_err(CE_WARN, "%s%d: Unbound dma handle %p.",
500 		    ddi_driver_name(rdip), ddi_get_instance(rdip), (void *)mp);
501 		return (DDI_FAILURE);
502 	}
503 
504 	if (mp->dmai_flags & PX_DMAI_FLAGS_NOSYNC)
505 		return (DDI_SUCCESS);
506 
507 	if (!len)
508 		len = mp->dmai_size;
509 
510 	pg_off = mp->dmai_offset;			/* start min */
511 	dvma_addr = MAX(off, pg_off);			/* lo */
512 	pg_off += mp->dmai_size;			/* end max */
513 	pg_off = MIN(off + len, pg_off);		/* hi */
514 	if (dvma_addr >= pg_off) {			/* lo >= hi ? */
515 		cmn_err(CE_WARN, "%s%d: %lx + %lx out of window [%lx,%lx]",
516 		    ddi_driver_name(rdip), ddi_get_instance(rdip),
517 		    off, len, mp->dmai_offset,
518 		    mp->dmai_offset + mp->dmai_size);
519 		return (DDI_FAILURE);
520 	}
521 
522 	len = pg_off - dvma_addr;			/* sz = hi - lo */
523 	dvma_addr += mp->dmai_mapping;			/* start addr */
524 
525 	if (mp->dmai_rflags & DDI_DMA_READ)
526 		sync_dir = HVIO_DMA_SYNC_DIR_FROM_DEV;
527 	else
528 		sync_dir = HVIO_DMA_SYNC_DIR_TO_DEV;
529 
530 	for (; ((len > 0) && (status == H_EOK)); len -= num_sync) {
531 		status = hvio_dma_sync(DIP_TO_HANDLE(dip), dvma_addr, len,
532 		    sync_dir, &num_sync);
533 		dvma_addr += num_sync;
534 	}
535 
536 	return ((status == H_EOK) ? DDI_SUCCESS : DDI_FAILURE);
537 }
538 
539 
540 /*
541  * MSIQ Functions:
542  */
543 
544 /*ARGSUSED*/
545 int
546 px_lib_msiq_init(dev_info_t *dip)
547 {
548 	px_t		*px_p = DIP_TO_STATE(dip);
549 	px_msiq_state_t	*msiq_state_p = &px_p->px_ib_p->ib_msiq_state;
550 	uint64_t	*msiq_addr, ra;
551 	size_t		msiq_size;
552 	uint_t		rec_cnt;
553 	int		i, err = DDI_SUCCESS;
554 	uint64_t	ret;
555 
556 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_init: dip 0x%p\n", dip);
557 
558 	msiq_addr = (uint64_t *)(((uint64_t)msiq_state_p->msiq_buf_p +
559 	    (MMU_PAGE_SIZE - 1)) >> MMU_PAGE_SHIFT << MMU_PAGE_SHIFT);
560 
561 	msiq_size = msiq_state_p->msiq_rec_cnt * sizeof (msiq_rec_t);
562 
563 	for (i = 0; i < msiq_state_p->msiq_cnt; i++) {
564 		ra = (r_addr_t)va_to_pa((caddr_t)msiq_addr + (i * msiq_size));
565 
566 		if ((ret = hvio_msiq_conf(DIP_TO_HANDLE(dip),
567 		    (i + msiq_state_p->msiq_1st_msiq_id),
568 		    ra, msiq_state_p->msiq_rec_cnt)) != H_EOK) {
569 			DBG(DBG_LIB_MSIQ, dip,
570 			    "hvio_msiq_conf failed, ret 0x%lx\n", ret);
571 			err = DDI_FAILURE;
572 			break;
573 		}
574 
575 		if ((err = px_lib_msiq_info(dip,
576 		    (i + msiq_state_p->msiq_1st_msiq_id),
577 		    &ra, &rec_cnt)) != DDI_SUCCESS) {
578 			DBG(DBG_LIB_MSIQ, dip,
579 			    "px_lib_msiq_info failed, ret 0x%x\n", err);
580 			err = DDI_FAILURE;
581 			break;
582 		}
583 
584 		DBG(DBG_LIB_MSIQ, dip,
585 		    "px_lib_msiq_init: ra 0x%p rec_cnt 0x%x\n", ra, rec_cnt);
586 	}
587 
588 	return (err);
589 }
590 
591 /*ARGSUSED*/
592 int
593 px_lib_msiq_fini(dev_info_t *dip)
594 {
595 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_fini: dip 0x%p\n", dip);
596 
597 	return (DDI_SUCCESS);
598 }
599 
600 /*ARGSUSED*/
601 int
602 px_lib_msiq_info(dev_info_t *dip, msiqid_t msiq_id, r_addr_t *ra_p,
603     uint_t *msiq_rec_cnt_p)
604 {
605 	uint64_t	ret;
606 
607 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: dip 0x%p msiq_id 0x%x\n",
608 	    dip, msiq_id);
609 
610 	if ((ret = hvio_msiq_info(DIP_TO_HANDLE(dip),
611 	    msiq_id, ra_p, msiq_rec_cnt_p)) != H_EOK) {
612 		DBG(DBG_LIB_MSIQ, dip,
613 		    "hvio_msiq_info failed, ret 0x%lx\n", ret);
614 		return (DDI_FAILURE);
615 	}
616 
617 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: ra_p 0x%p msiq_rec_cnt 0x%x\n",
618 	    ra_p, *msiq_rec_cnt_p);
619 
620 	return (DDI_SUCCESS);
621 }
622 
623 /*ARGSUSED*/
624 int
625 px_lib_msiq_getvalid(dev_info_t *dip, msiqid_t msiq_id,
626     pci_msiq_valid_state_t *msiq_valid_state)
627 {
628 	uint64_t	ret;
629 
630 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: dip 0x%p msiq_id 0x%x\n",
631 	    dip, msiq_id);
632 
633 	if ((ret = hvio_msiq_getvalid(DIP_TO_HANDLE(dip),
634 	    msiq_id, msiq_valid_state)) != H_EOK) {
635 		DBG(DBG_LIB_MSIQ, dip,
636 		    "hvio_msiq_getvalid failed, ret 0x%lx\n", ret);
637 		return (DDI_FAILURE);
638 	}
639 
640 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: msiq_valid_state 0x%x\n",
641 	    *msiq_valid_state);
642 
643 	return (DDI_SUCCESS);
644 }
645 
646 /*ARGSUSED*/
647 int
648 px_lib_msiq_setvalid(dev_info_t *dip, msiqid_t msiq_id,
649     pci_msiq_valid_state_t msiq_valid_state)
650 {
651 	uint64_t	ret;
652 
653 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_setvalid: dip 0x%p msiq_id 0x%x "
654 	    "msiq_valid_state 0x%x\n", dip, msiq_id, msiq_valid_state);
655 
656 	if ((ret = hvio_msiq_setvalid(DIP_TO_HANDLE(dip),
657 	    msiq_id, msiq_valid_state)) != H_EOK) {
658 		DBG(DBG_LIB_MSIQ, dip,
659 		    "hvio_msiq_setvalid failed, ret 0x%lx\n", ret);
660 		return (DDI_FAILURE);
661 	}
662 
663 	return (DDI_SUCCESS);
664 }
665 
666 /*ARGSUSED*/
667 int
668 px_lib_msiq_getstate(dev_info_t *dip, msiqid_t msiq_id,
669     pci_msiq_state_t *msiq_state)
670 {
671 	uint64_t	ret;
672 
673 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: dip 0x%p msiq_id 0x%x\n",
674 	    dip, msiq_id);
675 
676 	if ((ret = hvio_msiq_getstate(DIP_TO_HANDLE(dip),
677 	    msiq_id, msiq_state)) != H_EOK) {
678 		DBG(DBG_LIB_MSIQ, dip,
679 		    "hvio_msiq_getstate failed, ret 0x%lx\n", ret);
680 		return (DDI_FAILURE);
681 	}
682 
683 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: msiq_state 0x%x\n",
684 	    *msiq_state);
685 
686 	return (DDI_SUCCESS);
687 }
688 
689 /*ARGSUSED*/
690 int
691 px_lib_msiq_setstate(dev_info_t *dip, msiqid_t msiq_id,
692     pci_msiq_state_t msiq_state)
693 {
694 	uint64_t	ret;
695 
696 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_setstate: dip 0x%p msiq_id 0x%x "
697 	    "msiq_state 0x%x\n", dip, msiq_id, msiq_state);
698 
699 	if ((ret = hvio_msiq_setstate(DIP_TO_HANDLE(dip),
700 	    msiq_id, msiq_state)) != H_EOK) {
701 		DBG(DBG_LIB_MSIQ, dip,
702 		    "hvio_msiq_setstate failed, ret 0x%lx\n", ret);
703 		return (DDI_FAILURE);
704 	}
705 
706 	return (DDI_SUCCESS);
707 }
708 
709 /*ARGSUSED*/
710 int
711 px_lib_msiq_gethead(dev_info_t *dip, msiqid_t msiq_id,
712     msiqhead_t *msiq_head_p)
713 {
714 	uint64_t	ret;
715 
716 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gethead: dip 0x%p msiq_id 0x%x\n",
717 	    dip, msiq_id);
718 
719 	if ((ret = hvio_msiq_gethead(DIP_TO_HANDLE(dip),
720 	    msiq_id, msiq_head_p)) != H_EOK) {
721 		DBG(DBG_LIB_MSIQ, dip,
722 		    "hvio_msiq_gethead failed, ret 0x%lx\n", ret);
723 		return (DDI_FAILURE);
724 	}
725 
726 	*msiq_head_p =  (*msiq_head_p / sizeof (msiq_rec_t));
727 
728 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_gethead: msiq_head 0x%x\n",
729 	    *msiq_head_p);
730 
731 	return (DDI_SUCCESS);
732 }
733 
734 /*ARGSUSED*/
735 int
736 px_lib_msiq_sethead(dev_info_t *dip, msiqid_t msiq_id,
737     msiqhead_t msiq_head)
738 {
739 	uint64_t	ret;
740 
741 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_sethead: dip 0x%p msiq_id 0x%x "
742 	    "msiq_head 0x%x\n", dip, msiq_id, msiq_head);
743 
744 	if ((ret = hvio_msiq_sethead(DIP_TO_HANDLE(dip),
745 	    msiq_id, msiq_head * sizeof (msiq_rec_t))) != H_EOK) {
746 		DBG(DBG_LIB_MSIQ, dip,
747 		    "hvio_msiq_sethead failed, ret 0x%lx\n", ret);
748 		return (DDI_FAILURE);
749 	}
750 
751 	return (DDI_SUCCESS);
752 }
753 
754 /*ARGSUSED*/
755 int
756 px_lib_msiq_gettail(dev_info_t *dip, msiqid_t msiq_id,
757     msiqtail_t *msiq_tail_p)
758 {
759 	uint64_t	ret;
760 
761 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: dip 0x%p msiq_id 0x%x\n",
762 	    dip, msiq_id);
763 
764 	if ((ret = hvio_msiq_gettail(DIP_TO_HANDLE(dip),
765 	    msiq_id, msiq_tail_p)) != H_EOK) {
766 		DBG(DBG_LIB_MSIQ, dip,
767 		    "hvio_msiq_gettail failed, ret 0x%lx\n", ret);
768 		return (DDI_FAILURE);
769 	}
770 
771 	*msiq_tail_p =  (*msiq_tail_p / sizeof (msiq_rec_t));
772 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: msiq_tail 0x%x\n",
773 	    *msiq_tail_p);
774 
775 	return (DDI_SUCCESS);
776 }
777 
778 /*ARGSUSED*/
779 void
780 px_lib_get_msiq_rec(dev_info_t *dip, px_msiq_t *msiq_p, msiq_rec_t *msiq_rec_p)
781 {
782 	msiq_rec_t	*curr_msiq_rec_p = (msiq_rec_t *)msiq_p->msiq_curr;
783 
784 	DBG(DBG_LIB_MSIQ, dip, "px_lib_get_msiq_rec: dip 0x%p\n", dip);
785 
786 	if (!curr_msiq_rec_p->msiq_rec_type)
787 		return;
788 
789 	*msiq_rec_p = *curr_msiq_rec_p;
790 
791 	/* Zero out msiq_rec_type field */
792 	curr_msiq_rec_p->msiq_rec_type  = 0;
793 }
794 
795 /*
796  * MSI Functions:
797  */
798 
799 /*ARGSUSED*/
800 int
801 px_lib_msi_init(dev_info_t *dip)
802 {
803 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_init: dip 0x%p\n", dip);
804 
805 	/* Noop */
806 	return (DDI_SUCCESS);
807 }
808 
809 /*ARGSUSED*/
810 int
811 px_lib_msi_getmsiq(dev_info_t *dip, msinum_t msi_num,
812     msiqid_t *msiq_id)
813 {
814 	uint64_t	ret;
815 
816 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: dip 0x%p msi_num 0x%x\n",
817 	    dip, msi_num);
818 
819 	if ((ret = hvio_msi_getmsiq(DIP_TO_HANDLE(dip),
820 	    msi_num, msiq_id)) != H_EOK) {
821 		DBG(DBG_LIB_MSI, dip,
822 		    "hvio_msi_getmsiq failed, ret 0x%lx\n", ret);
823 		return (DDI_FAILURE);
824 	}
825 
826 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: msiq_id 0x%x\n",
827 	    *msiq_id);
828 
829 	return (DDI_SUCCESS);
830 }
831 
832 /*ARGSUSED*/
833 int
834 px_lib_msi_setmsiq(dev_info_t *dip, msinum_t msi_num,
835     msiqid_t msiq_id, msi_type_t msitype)
836 {
837 	uint64_t	ret;
838 
839 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setmsiq: dip 0x%p msi_num 0x%x "
840 	    "msq_id 0x%x\n", dip, msi_num, msiq_id);
841 
842 	if ((ret = hvio_msi_setmsiq(DIP_TO_HANDLE(dip),
843 	    msi_num, msiq_id, msitype)) != H_EOK) {
844 		DBG(DBG_LIB_MSI, dip,
845 		    "hvio_msi_setmsiq failed, ret 0x%lx\n", ret);
846 		return (DDI_FAILURE);
847 	}
848 
849 	return (DDI_SUCCESS);
850 }
851 
852 /*ARGSUSED*/
853 int
854 px_lib_msi_getvalid(dev_info_t *dip, msinum_t msi_num,
855     pci_msi_valid_state_t *msi_valid_state)
856 {
857 	uint64_t	ret;
858 
859 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: dip 0x%p msi_num 0x%x\n",
860 	    dip, msi_num);
861 
862 	if ((ret = hvio_msi_getvalid(DIP_TO_HANDLE(dip),
863 	    msi_num, msi_valid_state)) != H_EOK) {
864 		DBG(DBG_LIB_MSI, dip,
865 		    "hvio_msi_getvalid failed, ret 0x%lx\n", ret);
866 		return (DDI_FAILURE);
867 	}
868 
869 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: msiq_id 0x%x\n",
870 	    *msi_valid_state);
871 
872 	return (DDI_SUCCESS);
873 }
874 
875 /*ARGSUSED*/
876 int
877 px_lib_msi_setvalid(dev_info_t *dip, msinum_t msi_num,
878     pci_msi_valid_state_t msi_valid_state)
879 {
880 	uint64_t	ret;
881 
882 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setvalid: dip 0x%p msi_num 0x%x "
883 	    "msi_valid_state 0x%x\n", dip, msi_num, msi_valid_state);
884 
885 	if ((ret = hvio_msi_setvalid(DIP_TO_HANDLE(dip),
886 	    msi_num, msi_valid_state)) != H_EOK) {
887 		DBG(DBG_LIB_MSI, dip,
888 		    "hvio_msi_setvalid failed, ret 0x%lx\n", ret);
889 		return (DDI_FAILURE);
890 	}
891 
892 	return (DDI_SUCCESS);
893 }
894 
895 /*ARGSUSED*/
896 int
897 px_lib_msi_getstate(dev_info_t *dip, msinum_t msi_num,
898     pci_msi_state_t *msi_state)
899 {
900 	uint64_t	ret;
901 
902 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: dip 0x%p msi_num 0x%x\n",
903 	    dip, msi_num);
904 
905 	if ((ret = hvio_msi_getstate(DIP_TO_HANDLE(dip),
906 	    msi_num, msi_state)) != H_EOK) {
907 		DBG(DBG_LIB_MSI, dip,
908 		    "hvio_msi_getstate failed, ret 0x%lx\n", ret);
909 		return (DDI_FAILURE);
910 	}
911 
912 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: msi_state 0x%x\n",
913 	    *msi_state);
914 
915 	return (DDI_SUCCESS);
916 }
917 
918 /*ARGSUSED*/
919 int
920 px_lib_msi_setstate(dev_info_t *dip, msinum_t msi_num,
921     pci_msi_state_t msi_state)
922 {
923 	uint64_t	ret;
924 
925 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setstate: dip 0x%p msi_num 0x%x "
926 	    "msi_state 0x%x\n", dip, msi_num, msi_state);
927 
928 	if ((ret = hvio_msi_setstate(DIP_TO_HANDLE(dip),
929 	    msi_num, msi_state)) != H_EOK) {
930 		DBG(DBG_LIB_MSI, dip,
931 		    "hvio_msi_setstate failed, ret 0x%lx\n", ret);
932 		return (DDI_FAILURE);
933 	}
934 
935 	return (DDI_SUCCESS);
936 }
937 
938 /*
939  * MSG Functions:
940  */
941 
942 /*ARGSUSED*/
943 int
944 px_lib_msg_getmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
945     msiqid_t *msiq_id)
946 {
947 	uint64_t	ret;
948 
949 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_getmsiq: dip 0x%p msg_type 0x%x\n",
950 	    dip, msg_type);
951 
952 	if ((ret = hvio_msg_getmsiq(DIP_TO_HANDLE(dip),
953 	    msg_type, msiq_id)) != H_EOK) {
954 		DBG(DBG_LIB_MSG, dip,
955 		    "hvio_msg_getmsiq failed, ret 0x%lx\n", ret);
956 		return (DDI_FAILURE);
957 	}
958 
959 	DBG(DBG_LIB_MSI, dip, "px_lib_msg_getmsiq: msiq_id 0x%x\n",
960 	    *msiq_id);
961 
962 	return (DDI_SUCCESS);
963 }
964 
965 /*ARGSUSED*/
966 int
967 px_lib_msg_setmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
968     msiqid_t msiq_id)
969 {
970 	uint64_t	ret;
971 
972 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_setmsiq: dip 0x%p msg_type 0x%x "
973 	    "msq_id 0x%x\n", dip, msg_type, msiq_id);
974 
975 	if ((ret = hvio_msg_setmsiq(DIP_TO_HANDLE(dip),
976 	    msg_type, msiq_id)) != H_EOK) {
977 		DBG(DBG_LIB_MSG, dip,
978 		    "hvio_msg_setmsiq failed, ret 0x%lx\n", ret);
979 		return (DDI_FAILURE);
980 	}
981 
982 	return (DDI_SUCCESS);
983 }
984 
985 /*ARGSUSED*/
986 int
987 px_lib_msg_getvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
988     pcie_msg_valid_state_t *msg_valid_state)
989 {
990 	uint64_t	ret;
991 
992 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_getvalid: dip 0x%p msg_type 0x%x\n",
993 	    dip, msg_type);
994 
995 	if ((ret = hvio_msg_getvalid(DIP_TO_HANDLE(dip), msg_type,
996 	    msg_valid_state)) != H_EOK) {
997 		DBG(DBG_LIB_MSG, dip,
998 		    "hvio_msg_getvalid failed, ret 0x%lx\n", ret);
999 		return (DDI_FAILURE);
1000 	}
1001 
1002 	DBG(DBG_LIB_MSI, dip, "px_lib_msg_getvalid: msg_valid_state 0x%x\n",
1003 	    *msg_valid_state);
1004 
1005 	return (DDI_SUCCESS);
1006 }
1007 
1008 /*ARGSUSED*/
1009 int
1010 px_lib_msg_setvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
1011     pcie_msg_valid_state_t msg_valid_state)
1012 {
1013 	uint64_t	ret;
1014 
1015 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_setvalid: dip 0x%p msg_type 0x%x "
1016 	    "msg_valid_state 0x%x\n", dip, msg_type, msg_valid_state);
1017 
1018 	if ((ret = hvio_msg_setvalid(DIP_TO_HANDLE(dip), msg_type,
1019 	    msg_valid_state)) != H_EOK) {
1020 		DBG(DBG_LIB_MSG, dip,
1021 		    "hvio_msg_setvalid failed, ret 0x%lx\n", ret);
1022 		return (DDI_FAILURE);
1023 	}
1024 
1025 	return (DDI_SUCCESS);
1026 }
1027 
1028 /*
1029  * Suspend/Resume Functions:
1030  * Currently unsupported by hypervisor and all functions are noops.
1031  */
1032 /*ARGSUSED*/
1033 int
1034 px_lib_suspend(dev_info_t *dip)
1035 {
1036 	DBG(DBG_ATTACH, dip, "px_lib_suspend: Not supported\n");
1037 
1038 	/* Not supported */
1039 	return (DDI_FAILURE);
1040 }
1041 
1042 /*ARGSUSED*/
1043 void
1044 px_lib_resume(dev_info_t *dip)
1045 {
1046 	DBG(DBG_ATTACH, dip, "px_lib_resume: Not supported\n");
1047 
1048 	/* Noop */
1049 }
1050 
1051 /*
1052  * Misc Functions:
1053  * Currently unsupported by hypervisor and all functions are noops.
1054  */
1055 /*ARGSUSED*/
1056 static int
1057 px_lib_config_get(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off,
1058     uint8_t size, pci_cfg_data_t *data_p)
1059 {
1060 	uint64_t	ret;
1061 
1062 	DBG(DBG_LIB_CFG, dip, "px_lib_config_get: dip 0x%p, bdf 0x%llx "
1063 	    "off 0x%x size 0x%x\n", dip, bdf, off, size);
1064 
1065 	if ((ret = hvio_config_get(DIP_TO_HANDLE(dip), bdf, off,
1066 	    size, data_p)) != H_EOK) {
1067 		DBG(DBG_LIB_CFG, dip,
1068 		    "hvio_config_get failed, ret 0x%lx\n", ret);
1069 		return (DDI_FAILURE);
1070 	}
1071 	DBG(DBG_LIB_CFG, dip, "px_config_get: data 0x%x\n", data_p->dw);
1072 
1073 	return (DDI_SUCCESS);
1074 }
1075 
1076 /*ARGSUSED*/
1077 static int
1078 px_lib_config_put(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off,
1079     uint8_t size, pci_cfg_data_t data)
1080 {
1081 	uint64_t	ret;
1082 
1083 	DBG(DBG_LIB_CFG, dip, "px_lib_config_put: dip 0x%p, bdf 0x%llx "
1084 	    "off 0x%x size 0x%x data 0x%llx\n", dip, bdf, off, size, data.qw);
1085 
1086 	if ((ret = hvio_config_put(DIP_TO_HANDLE(dip), bdf, off,
1087 	    size, data)) != H_EOK) {
1088 		DBG(DBG_LIB_CFG, dip,
1089 		    "hvio_config_put failed, ret 0x%lx\n", ret);
1090 		return (DDI_FAILURE);
1091 	}
1092 
1093 	return (DDI_SUCCESS);
1094 }
1095 
1096 static uint32_t
1097 px_pci_config_get(ddi_acc_impl_t *handle, uint32_t *addr, int size)
1098 {
1099 	px_config_acc_pvt_t	*px_pvt = (px_config_acc_pvt_t *)
1100 					handle->ahi_common.ah_bus_private;
1101 	uint32_t pci_dev_addr = px_pvt->raddr;
1102 	uint32_t vaddr = px_pvt->vaddr;
1103 	uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff;
1104 	uint32_t rdata = 0;
1105 
1106 	if (px_lib_config_get(px_pvt->dip, pci_dev_addr, off,
1107 				size, (pci_cfg_data_t *)&rdata) != DDI_SUCCESS)
1108 		/* XXX update error kstats */
1109 		return (0xffffffff);
1110 	return (rdata);
1111 }
1112 
1113 static void
1114 px_pci_config_put(ddi_acc_impl_t *handle, uint32_t *addr,
1115 		int size, pci_cfg_data_t wdata)
1116 {
1117 	px_config_acc_pvt_t	*px_pvt = (px_config_acc_pvt_t *)
1118 					handle->ahi_common.ah_bus_private;
1119 	uint32_t pci_dev_addr = px_pvt->raddr;
1120 	uint32_t vaddr = px_pvt->vaddr;
1121 	uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff;
1122 
1123 	if (px_lib_config_put(px_pvt->dip, pci_dev_addr, off,
1124 				size, wdata) != DDI_SUCCESS) {
1125 		/*EMPTY*/
1126 		/* XXX update error kstats */
1127 	}
1128 }
1129 
1130 static uint8_t
1131 px_pci_config_get8(ddi_acc_impl_t *handle, uint8_t *addr)
1132 {
1133 	return ((uint8_t)px_pci_config_get(handle, (uint32_t *)addr, 1));
1134 }
1135 
1136 static uint16_t
1137 px_pci_config_get16(ddi_acc_impl_t *handle, uint16_t *addr)
1138 {
1139 	return ((uint16_t)px_pci_config_get(handle, (uint32_t *)addr, 2));
1140 }
1141 
1142 static uint32_t
1143 px_pci_config_get32(ddi_acc_impl_t *handle, uint32_t *addr)
1144 {
1145 	return ((uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4));
1146 }
1147 
1148 static uint64_t
1149 px_pci_config_get64(ddi_acc_impl_t *handle, uint64_t *addr)
1150 {
1151 	uint32_t rdatah, rdatal;
1152 
1153 	rdatal = (uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4);
1154 	rdatah = (uint32_t)px_pci_config_get(handle,
1155 				(uint32_t *)((char *)addr+4), 4);
1156 	return (((uint64_t)rdatah << 32) | rdatal);
1157 }
1158 
1159 static void
1160 px_pci_config_put8(ddi_acc_impl_t *handle, uint8_t *addr, uint8_t data)
1161 {
1162 	pci_cfg_data_t wdata = { 0 };
1163 
1164 	wdata.qw = (uint8_t)data;
1165 	px_pci_config_put(handle, (uint32_t *)addr, 1, wdata);
1166 }
1167 
1168 static void
1169 px_pci_config_put16(ddi_acc_impl_t *handle, uint16_t *addr, uint16_t data)
1170 {
1171 	pci_cfg_data_t wdata = { 0 };
1172 
1173 	wdata.qw = (uint16_t)data;
1174 	px_pci_config_put(handle, (uint32_t *)addr, 2, wdata);
1175 }
1176 
1177 static void
1178 px_pci_config_put32(ddi_acc_impl_t *handle, uint32_t *addr, uint32_t data)
1179 {
1180 	pci_cfg_data_t wdata = { 0 };
1181 
1182 	wdata.qw = (uint32_t)data;
1183 	px_pci_config_put(handle, (uint32_t *)addr, 4, wdata);
1184 }
1185 
1186 static void
1187 px_pci_config_put64(ddi_acc_impl_t *handle, uint64_t *addr, uint64_t data)
1188 {
1189 	pci_cfg_data_t wdata = { 0 };
1190 
1191 	wdata.qw = (uint32_t)(data & 0xffffffff);
1192 	px_pci_config_put(handle, (uint32_t *)addr, 4, wdata);
1193 	wdata.qw = (uint32_t)((data >> 32) & 0xffffffff);
1194 	px_pci_config_put(handle, (uint32_t *)((char *)addr+4), 4, wdata);
1195 }
1196 
1197 static void
1198 px_pci_config_rep_get8(ddi_acc_impl_t *handle, uint8_t *host_addr,
1199 			uint8_t *dev_addr, size_t repcount, uint_t flags)
1200 {
1201 	if (flags == DDI_DEV_AUTOINCR)
1202 		for (; repcount; repcount--)
1203 			*host_addr++ = px_pci_config_get8(handle, dev_addr++);
1204 	else
1205 		for (; repcount; repcount--)
1206 			*host_addr++ = px_pci_config_get8(handle, dev_addr);
1207 }
1208 
1209 /*
1210  * Function to rep read 16 bit data off the PCI configuration space behind
1211  * the 21554's host interface.
1212  */
1213 static void
1214 px_pci_config_rep_get16(ddi_acc_impl_t *handle, uint16_t *host_addr,
1215 			uint16_t *dev_addr, size_t repcount, uint_t flags)
1216 {
1217 	if (flags == DDI_DEV_AUTOINCR)
1218 		for (; repcount; repcount--)
1219 			*host_addr++ = px_pci_config_get16(handle, dev_addr++);
1220 	else
1221 		for (; repcount; repcount--)
1222 			*host_addr++ = px_pci_config_get16(handle, dev_addr);
1223 }
1224 
1225 /*
1226  * Function to rep read 32 bit data off the PCI configuration space behind
1227  * the 21554's host interface.
1228  */
1229 static void
1230 px_pci_config_rep_get32(ddi_acc_impl_t *handle, uint32_t *host_addr,
1231 			uint32_t *dev_addr, size_t repcount, uint_t flags)
1232 {
1233 	if (flags == DDI_DEV_AUTOINCR)
1234 		for (; repcount; repcount--)
1235 			*host_addr++ = px_pci_config_get32(handle, dev_addr++);
1236 	else
1237 		for (; repcount; repcount--)
1238 			*host_addr++ = px_pci_config_get32(handle, dev_addr);
1239 }
1240 
1241 /*
1242  * Function to rep read 64 bit data off the PCI configuration space behind
1243  * the 21554's host interface.
1244  */
1245 static void
1246 px_pci_config_rep_get64(ddi_acc_impl_t *handle, uint64_t *host_addr,
1247 			uint64_t *dev_addr, size_t repcount, uint_t flags)
1248 {
1249 	if (flags == DDI_DEV_AUTOINCR)
1250 		for (; repcount; repcount--)
1251 			*host_addr++ = px_pci_config_get64(handle, dev_addr++);
1252 	else
1253 		for (; repcount; repcount--)
1254 			*host_addr++ = px_pci_config_get64(handle, dev_addr);
1255 }
1256 
1257 /*
1258  * Function to rep write 8 bit data into the PCI configuration space behind
1259  * the 21554's host interface.
1260  */
1261 static void
1262 px_pci_config_rep_put8(ddi_acc_impl_t *handle, uint8_t *host_addr,
1263 			uint8_t *dev_addr, size_t repcount, uint_t flags)
1264 {
1265 	if (flags == DDI_DEV_AUTOINCR)
1266 		for (; repcount; repcount--)
1267 			px_pci_config_put8(handle, dev_addr++, *host_addr++);
1268 	else
1269 		for (; repcount; repcount--)
1270 			px_pci_config_put8(handle, dev_addr, *host_addr++);
1271 }
1272 
1273 /*
1274  * Function to rep write 16 bit data into the PCI configuration space behind
1275  * the 21554's host interface.
1276  */
1277 static void
1278 px_pci_config_rep_put16(ddi_acc_impl_t *handle, uint16_t *host_addr,
1279 			uint16_t *dev_addr, size_t repcount, uint_t flags)
1280 {
1281 	if (flags == DDI_DEV_AUTOINCR)
1282 		for (; repcount; repcount--)
1283 			px_pci_config_put16(handle, dev_addr++, *host_addr++);
1284 	else
1285 		for (; repcount; repcount--)
1286 			px_pci_config_put16(handle, dev_addr, *host_addr++);
1287 }
1288 
1289 /*
1290  * Function to rep write 32 bit data into the PCI configuration space behind
1291  * the 21554's host interface.
1292  */
1293 static void
1294 px_pci_config_rep_put32(ddi_acc_impl_t *handle, uint32_t *host_addr,
1295 			uint32_t *dev_addr, size_t repcount, uint_t flags)
1296 {
1297 	if (flags == DDI_DEV_AUTOINCR)
1298 		for (; repcount; repcount--)
1299 			px_pci_config_put32(handle, dev_addr++, *host_addr++);
1300 	else
1301 		for (; repcount; repcount--)
1302 			px_pci_config_put32(handle, dev_addr, *host_addr++);
1303 }
1304 
1305 /*
1306  * Function to rep write 64 bit data into the PCI configuration space behind
1307  * the 21554's host interface.
1308  */
1309 static void
1310 px_pci_config_rep_put64(ddi_acc_impl_t *handle, uint64_t *host_addr,
1311 			uint64_t *dev_addr, size_t repcount, uint_t flags)
1312 {
1313 	if (flags == DDI_DEV_AUTOINCR)
1314 		for (; repcount; repcount--)
1315 			px_pci_config_put64(handle, dev_addr++, *host_addr++);
1316 	else
1317 		for (; repcount; repcount--)
1318 			px_pci_config_put64(handle, dev_addr, *host_addr++);
1319 }
1320 
1321 /*
1322  * Provide a private access handle to route config access calls to Hypervisor.
1323  * Beware: Do all error checking for config space accesses before calling
1324  * this function. ie. do error checking from the calling function.
1325  * Due to a lack of meaningful error code in DDI, the gauranteed return of
1326  * DDI_SUCCESS from here makes the code organization readable/easier from
1327  * the generic code.
1328  */
1329 /*ARGSUSED*/
1330 int
1331 px_lib_map_vconfig(dev_info_t *dip,
1332 	ddi_map_req_t *mp, pci_config_offset_t off,
1333 	pci_regspec_t *rp, caddr_t *addrp)
1334 {
1335 	ddi_acc_hdl_t *hp;
1336 	ddi_acc_impl_t *ap;
1337 	uchar_t busnum;	/* bus number */
1338 	uchar_t devnum;	/* device number */
1339 	uchar_t funcnum; /* function number */
1340 	px_config_acc_pvt_t *px_pvt;
1341 
1342 	hp = (ddi_acc_hdl_t *)mp->map_handlep;
1343 	ap = (ddi_acc_impl_t *)hp->ah_platform_private;
1344 
1345 	/* Check for mapping teardown operation */
1346 	if ((mp->map_op == DDI_MO_UNMAP) ||
1347 			(mp->map_op == DDI_MO_UNLOCK)) {
1348 		/* free up memory allocated for the private access handle. */
1349 		px_pvt = (px_config_acc_pvt_t *)hp->ah_bus_private;
1350 		kmem_free((void *)px_pvt, sizeof (px_config_acc_pvt_t));
1351 
1352 		/* unmap operation of PCI IO/config space. */
1353 		return (DDI_SUCCESS);
1354 	}
1355 
1356 	ap->ahi_get8 = px_pci_config_get8;
1357 	ap->ahi_get16 = px_pci_config_get16;
1358 	ap->ahi_get32 = px_pci_config_get32;
1359 	ap->ahi_get64 = px_pci_config_get64;
1360 	ap->ahi_put8 = px_pci_config_put8;
1361 	ap->ahi_put16 = px_pci_config_put16;
1362 	ap->ahi_put32 = px_pci_config_put32;
1363 	ap->ahi_put64 = px_pci_config_put64;
1364 	ap->ahi_rep_get8 = px_pci_config_rep_get8;
1365 	ap->ahi_rep_get16 = px_pci_config_rep_get16;
1366 	ap->ahi_rep_get32 = px_pci_config_rep_get32;
1367 	ap->ahi_rep_get64 = px_pci_config_rep_get64;
1368 	ap->ahi_rep_put8 = px_pci_config_rep_put8;
1369 	ap->ahi_rep_put16 = px_pci_config_rep_put16;
1370 	ap->ahi_rep_put32 = px_pci_config_rep_put32;
1371 	ap->ahi_rep_put64 = px_pci_config_rep_put64;
1372 
1373 	/* Initialize to default check/notify functions */
1374 	ap->ahi_fault = 0;
1375 	ap->ahi_fault_check = i_ddi_acc_fault_check;
1376 	ap->ahi_fault_notify = i_ddi_acc_fault_notify;
1377 
1378 	/* allocate memory for our private handle */
1379 	px_pvt = (px_config_acc_pvt_t *)
1380 			kmem_zalloc(sizeof (px_config_acc_pvt_t), KM_SLEEP);
1381 	hp->ah_bus_private = (void *)px_pvt;
1382 
1383 	busnum = PCI_REG_BUS_G(rp->pci_phys_hi);
1384 	devnum = PCI_REG_DEV_G(rp->pci_phys_hi);
1385 	funcnum = PCI_REG_FUNC_G(rp->pci_phys_hi);
1386 
1387 	/* set up private data for use during IO routines */
1388 
1389 	/* addr needed by the HV APIs */
1390 	px_pvt->raddr = busnum << 16 | devnum << 11 | funcnum << 8;
1391 	/*
1392 	 * Address that specifies the actual offset into the 256MB
1393 	 * memory mapped configuration space, 4K per device.
1394 	 * First 12bits form the offset into 4K config space.
1395 	 * This address is only used during the IO routines to calculate
1396 	 * the offset at which the transaction must be performed.
1397 	 * Drivers bypassing DDI functions to access PCI config space will
1398 	 * panic the system since the following is a bogus virtual address.
1399 	 */
1400 	px_pvt->vaddr = busnum << 20 | devnum << 15 | funcnum << 12 | off;
1401 	px_pvt->dip = dip;
1402 
1403 	DBG(DBG_LIB_CFG, dip, "px_config_setup: raddr 0x%x, vaddr 0x%x\n",
1404 				px_pvt->raddr, px_pvt->vaddr);
1405 	*addrp = (caddr_t)(uintptr_t)px_pvt->vaddr;
1406 	return (DDI_SUCCESS);
1407 }
1408 
1409 /*ARGSUSED*/
1410 void
1411 px_lib_map_attr_check(ddi_map_req_t *mp)
1412 {
1413 }
1414 
1415 /*
1416  * px_lib_log_safeacc_err:
1417  * Imitate a cpu/mem trap call when a peek/poke fails.
1418  * This will initiate something similar to px_fm_callback.
1419  */
1420 static void
1421 px_lib_log_safeacc_err(px_t *px_p, ddi_acc_handle_t handle, int fme_flag)
1422 {
1423 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)handle;
1424 	ddi_fm_error_t derr;
1425 
1426 	derr.fme_status = DDI_FM_NONFATAL;
1427 	derr.fme_version = DDI_FME_VERSION;
1428 	derr.fme_flag = fme_flag;
1429 	derr.fme_ena = fm_ena_generate(0, FM_ENA_FMT1);
1430 	derr.fme_acc_handle = handle;
1431 	if (hp)
1432 		hp->ahi_err->err_expected = DDI_FM_ERR_EXPECTED;
1433 
1434 	mutex_enter(&px_p->px_fm_mutex);
1435 
1436 	(void) ndi_fm_handler_dispatch(px_p->px_dip, NULL, &derr);
1437 
1438 	mutex_exit(&px_p->px_fm_mutex);
1439 }
1440 
1441 
1442 #ifdef  DEBUG
1443 int	px_peekfault_cnt = 0;
1444 int	px_pokefault_cnt = 0;
1445 #endif  /* DEBUG */
1446 
1447 static int
1448 px_lib_bdf_from_dip(dev_info_t *rdip, uint32_t *bdf)
1449 {
1450 	/* Start with an array of 8 reg spaces for now to cover most devices. */
1451 	pci_regspec_t regspec_array[8];
1452 	pci_regspec_t *regspec = regspec_array;
1453 	int buflen = sizeof (regspec_array);
1454 	boolean_t kmalloced = B_FALSE;
1455 	int status;
1456 
1457 	status = ddi_getlongprop_buf(DDI_DEV_T_ANY, rdip,
1458 	    DDI_PROP_DONTPASS, "reg", (caddr_t)regspec, &buflen);
1459 
1460 	/* If need more space, fallback to kmem_alloc. */
1461 	if (status == DDI_PROP_BUF_TOO_SMALL) {
1462 		regspec = kmem_alloc(buflen, KM_SLEEP);
1463 
1464 		status = ddi_getlongprop_buf(DDI_DEV_T_ANY, rdip,
1465 		    DDI_PROP_DONTPASS, "reg", (caddr_t)regspec, &buflen);
1466 
1467 		kmalloced = B_TRUE;
1468 	}
1469 
1470 	/* Get phys_hi from first element.  All have same bdf. */
1471 	if (status == DDI_PROP_SUCCESS)
1472 		*bdf = regspec->pci_phys_hi & (PCI_REG_BDFR_M ^ PCI_REG_REG_M);
1473 
1474 	if (kmalloced)
1475 		kmem_free(regspec, buflen);
1476 
1477 	return ((status == DDI_PROP_SUCCESS) ? DDI_SUCCESS : DDI_FAILURE);
1478 }
1479 
1480 /*
1481  * Do a safe write to a device.
1482  *
1483  * When this function is given a handle (cautious access), all errors are
1484  * suppressed.
1485  *
1486  * When this function is not given a handle (poke), only Unsupported Request
1487  * and Completer Abort errors are suppressed.
1488  *
1489  * In all cases, all errors are returned in the function return status.
1490  */
1491 
1492 int
1493 px_lib_ctlops_poke(dev_info_t *dip, dev_info_t *rdip,
1494     peekpoke_ctlops_t *in_args)
1495 {
1496 	px_t *px_p = DIP_TO_STATE(dip);
1497 	px_pec_t *pec_p = px_p->px_pec_p;
1498 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle;
1499 
1500 	size_t repcount = in_args->repcount;
1501 	size_t size = in_args->size;
1502 	uintptr_t dev_addr = in_args->dev_addr;
1503 	uintptr_t host_addr = in_args->host_addr;
1504 
1505 	int err	= DDI_SUCCESS;
1506 	uint64_t hvio_poke_status;
1507 	uint32_t bdf;
1508 	uint32_t wrt_stat;
1509 
1510 	r_addr_t ra;
1511 	uint64_t pokeval;
1512 
1513 	/*
1514 	 * Used only to notify error handling peek/poke is occuring
1515 	 * One scenario is when a fabric err as a result of peek/poke.
1516 	 * However there is no way to guarantee that the fabric error
1517 	 * handler will occur in the window where otd is set.
1518 	 */
1519 	on_trap_data_t otd;
1520 
1521 	if (px_lib_bdf_from_dip(rdip, &bdf) != DDI_SUCCESS) {
1522 		DBG(DBG_LIB_DMA, px_p->px_dip,
1523 		    "poke: px_lib_bdf_from_dip failed\n");
1524 		err = DDI_FAILURE;
1525 		goto done;
1526 	}
1527 
1528 	ra = (r_addr_t)va_to_pa((void *)dev_addr);
1529 	for (; repcount; repcount--) {
1530 
1531 		switch (size) {
1532 		case sizeof (uint8_t):
1533 			pokeval = *(uint8_t *)host_addr;
1534 			break;
1535 		case sizeof (uint16_t):
1536 			pokeval = *(uint16_t *)host_addr;
1537 			break;
1538 		case sizeof (uint32_t):
1539 			pokeval = *(uint32_t *)host_addr;
1540 			break;
1541 		case sizeof (uint64_t):
1542 			pokeval = *(uint64_t *)host_addr;
1543 			break;
1544 		default:
1545 			DBG(DBG_MAP, px_p->px_dip,
1546 			    "poke: invalid size %d passed\n", size);
1547 			err = DDI_FAILURE;
1548 			goto done;
1549 		}
1550 
1551 		/*
1552 		 * Grab pokefault mutex since hypervisor does not guarantee
1553 		 * poke serialization.
1554 		 */
1555 		if (hp) {
1556 			i_ndi_busop_access_enter(hp->ahi_common.ah_dip,
1557 			    (ddi_acc_handle_t)hp);
1558 			pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED;
1559 		} else {
1560 			mutex_enter(&pec_p->pec_pokefault_mutex);
1561 			pec_p->pec_safeacc_type = DDI_FM_ERR_POKE;
1562 		}
1563 		pec_p->pec_ontrap_data = &otd;
1564 
1565 		hvio_poke_status = hvio_poke(px_p->px_dev_hdl, ra, size,
1566 			    pokeval, bdf, &wrt_stat);
1567 
1568 		if (otd.ot_trap & OT_DATA_ACCESS)
1569 			err = DDI_FAILURE;
1570 
1571 		if ((hvio_poke_status != H_EOK) || (wrt_stat != H_EOK)) {
1572 			err = DDI_FAILURE;
1573 #ifdef  DEBUG
1574 			px_pokefault_cnt++;
1575 #endif
1576 			/*
1577 			 * For CAUTIOUS and POKE access, notify FMA to
1578 			 * cleanup.  Imitate a cpu/mem trap call like in sun4u.
1579 			 */
1580 			px_lib_log_safeacc_err(px_p, (ddi_acc_handle_t)hp,
1581 			    (hp ? DDI_FM_ERR_EXPECTED :
1582 			    DDI_FM_ERR_POKE));
1583 
1584 			pec_p->pec_ontrap_data = NULL;
1585 			pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1586 			if (hp) {
1587 				i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1588 				    (ddi_acc_handle_t)hp);
1589 			} else {
1590 				mutex_exit(&pec_p->pec_pokefault_mutex);
1591 			}
1592 			goto done;
1593 		}
1594 
1595 		pec_p->pec_ontrap_data = NULL;
1596 		pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1597 		if (hp) {
1598 			i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1599 			    (ddi_acc_handle_t)hp);
1600 		} else {
1601 			mutex_exit(&pec_p->pec_pokefault_mutex);
1602 		}
1603 
1604 		host_addr += size;
1605 
1606 		if (in_args->flags == DDI_DEV_AUTOINCR) {
1607 			dev_addr += size;
1608 			ra = (r_addr_t)va_to_pa((void *)dev_addr);
1609 		}
1610 	}
1611 
1612 done:
1613 	return (err);
1614 }
1615 
1616 
1617 /*ARGSUSED*/
1618 int
1619 px_lib_ctlops_peek(dev_info_t *dip, dev_info_t *rdip,
1620     peekpoke_ctlops_t *in_args, void *result)
1621 {
1622 	px_t *px_p = DIP_TO_STATE(dip);
1623 	px_pec_t *pec_p = px_p->px_pec_p;
1624 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle;
1625 
1626 	size_t repcount = in_args->repcount;
1627 	uintptr_t dev_addr = in_args->dev_addr;
1628 	uintptr_t host_addr = in_args->host_addr;
1629 
1630 	r_addr_t ra;
1631 	uint32_t read_status;
1632 	uint64_t hvio_peek_status;
1633 	uint64_t peekval;
1634 	int err = DDI_SUCCESS;
1635 
1636 	/*
1637 	 * Used only to notify error handling peek/poke is occuring
1638 	 * One scenario is when a fabric err as a result of peek/poke.
1639 	 * However there is no way to guarantee that the fabric error
1640 	 * handler will occur in the window where otd is set.
1641 	 */
1642 	on_trap_data_t otd;
1643 
1644 	result = (void *)in_args->host_addr;
1645 
1646 	ra = (r_addr_t)va_to_pa((void *)dev_addr);
1647 	for (; repcount; repcount--) {
1648 
1649 		/* Lock pokefault mutex so read doesn't mask a poke fault. */
1650 		if (hp) {
1651 			i_ndi_busop_access_enter(hp->ahi_common.ah_dip,
1652 			    (ddi_acc_handle_t)hp);
1653 			pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED;
1654 		} else {
1655 			mutex_enter(&pec_p->pec_pokefault_mutex);
1656 			pec_p->pec_safeacc_type = DDI_FM_ERR_PEEK;
1657 		}
1658 		pec_p->pec_ontrap_data = &otd;
1659 
1660 		hvio_peek_status = hvio_peek(px_p->px_dev_hdl, ra,
1661 		    in_args->size, &read_status, &peekval);
1662 
1663 		if ((hvio_peek_status != H_EOK) || (read_status != H_EOK)) {
1664 			err = DDI_FAILURE;
1665 
1666 			/*
1667 			 * For CAUTIOUS and PEEK access, notify FMA to
1668 			 * cleanup.  Imitate a cpu/mem trap call like in sun4u.
1669 			 */
1670 			px_lib_log_safeacc_err(px_p, (ddi_acc_handle_t)hp,
1671 			    (hp ? DDI_FM_ERR_EXPECTED :
1672 			    DDI_FM_ERR_PEEK));
1673 
1674 			/* Stuff FFs in host addr if peek. */
1675 			if (hp == NULL) {
1676 				int i;
1677 				uint8_t *ff_addr = (uint8_t *)host_addr;
1678 				for (i = 0; i < in_args->size; i++)
1679 					*ff_addr++ = 0xff;
1680 			}
1681 #ifdef  DEBUG
1682 			px_peekfault_cnt++;
1683 #endif
1684 			pec_p->pec_ontrap_data = NULL;
1685 			pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1686 			if (hp) {
1687 				i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1688 				    (ddi_acc_handle_t)hp);
1689 			} else {
1690 				mutex_exit(&pec_p->pec_pokefault_mutex);
1691 			}
1692 			goto done;
1693 
1694 		}
1695 		pec_p->pec_ontrap_data = NULL;
1696 		pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1697 		if (hp) {
1698 			i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1699 			    (ddi_acc_handle_t)hp);
1700 		} else {
1701 			mutex_exit(&pec_p->pec_pokefault_mutex);
1702 		}
1703 
1704 		switch (in_args->size) {
1705 		case sizeof (uint8_t):
1706 			*(uint8_t *)host_addr = (uint8_t)peekval;
1707 			break;
1708 		case sizeof (uint16_t):
1709 			*(uint16_t *)host_addr = (uint16_t)peekval;
1710 			break;
1711 		case sizeof (uint32_t):
1712 			*(uint32_t *)host_addr = (uint32_t)peekval;
1713 			break;
1714 		case sizeof (uint64_t):
1715 			*(uint64_t *)host_addr = (uint64_t)peekval;
1716 			break;
1717 		default:
1718 			DBG(DBG_MAP, px_p->px_dip,
1719 			    "peek: invalid size %d passed\n",
1720 			    in_args->size);
1721 			err = DDI_FAILURE;
1722 			goto done;
1723 		}
1724 
1725 		host_addr += in_args->size;
1726 
1727 		if (in_args->flags == DDI_DEV_AUTOINCR) {
1728 			dev_addr += in_args->size;
1729 			ra = (r_addr_t)va_to_pa((void *)dev_addr);
1730 		}
1731 	}
1732 done:
1733 	return (err);
1734 }
1735 
1736 
1737 /* add interrupt vector */
1738 int
1739 px_err_add_intr(px_fault_t *px_fault_p)
1740 {
1741 	int	ret;
1742 	px_t	*px_p = DIP_TO_STATE(px_fault_p->px_fh_dip);
1743 
1744 	DBG(DBG_LIB_INT, px_p->px_dip,
1745 	    "px_err_add_intr: calling add_ivintr");
1746 	ret = add_ivintr(px_fault_p->px_fh_sysino, PX_ERR_PIL,
1747 	    px_fault_p->px_err_func, (caddr_t)px_fault_p,
1748 	    (caddr_t)&px_fault_p->px_intr_payload[0]);
1749 
1750 	if (ret != DDI_SUCCESS) {
1751 		DBG(DBG_LIB_INT, px_p->px_dip,
1752 		"add_ivintr returns %d, faultp: %p", ret, px_fault_p);
1753 
1754 		return (ret);
1755 	}
1756 	DBG(DBG_LIB_INT, px_p->px_dip,
1757 	    "px_err_add_intr: ib_intr_enable ");
1758 
1759 	px_ib_intr_enable(px_p, intr_dist_cpuid(), px_fault_p->px_intr_ino);
1760 
1761 	return (ret);
1762 }
1763 
1764 /* remove interrupt vector */
1765 void
1766 px_err_rem_intr(px_fault_t *px_fault_p)
1767 {
1768 	px_t	*px_p = DIP_TO_STATE(px_fault_p->px_fh_dip);
1769 
1770 	px_ib_intr_disable(px_p->px_ib_p, px_fault_p->px_intr_ino,
1771 	    IB_INTR_WAIT);
1772 
1773 	rem_ivintr(px_fault_p->px_fh_sysino, NULL);
1774 }
1775 
1776 int
1777 px_cb_add_intr(px_fault_t *f_p)
1778 {
1779 	return (px_err_add_intr(f_p));
1780 }
1781 
1782 void
1783 px_cb_rem_intr(px_fault_t *f_p)
1784 {
1785 	px_err_rem_intr(f_p);
1786 }
1787 
1788 void
1789 px_cb_intr_redist(px_t *px_p)
1790 {
1791 	px_ib_intr_dist_en(px_p->px_dip, intr_dist_cpuid(),
1792 	    px_p->px_inos[PX_INTR_XBC], B_FALSE);
1793 }
1794 
1795 #ifdef FMA
1796 void
1797 px_fill_rc_status(px_fault_t *px_fault_p, pciex_rc_error_regs_t *rc_status)
1798 {
1799 	px_pec_err_t	*err_pkt;
1800 
1801 	err_pkt = (px_pec_err_t *)px_fault_p->px_intr_payload;
1802 
1803 	/* initialise all the structure members */
1804 	rc_status->status_valid = 0;
1805 
1806 	if (err_pkt->pec_descr.P) {
1807 		/* PCI Status Register */
1808 		rc_status->pci_err_status = err_pkt->pci_err_status;
1809 		rc_status->status_valid |= PCI_ERR_STATUS_VALID;
1810 	}
1811 
1812 	if (err_pkt->pec_descr.E) {
1813 		/* PCIe Status Register */
1814 		rc_status->pcie_err_status = err_pkt->pcie_err_status;
1815 		rc_status->status_valid |= PCIE_ERR_STATUS_VALID;
1816 	}
1817 
1818 	if (err_pkt->pec_descr.U) {
1819 		rc_status->ue_status = err_pkt->ue_reg_status;
1820 		rc_status->status_valid |= UE_STATUS_VALID;
1821 	}
1822 
1823 	if (err_pkt->pec_descr.H) {
1824 		rc_status->ue_hdr1 = err_pkt->hdr[0];
1825 		rc_status->status_valid |= UE_HDR1_VALID;
1826 	}
1827 
1828 	if (err_pkt->pec_descr.I) {
1829 		rc_status->ue_hdr2 = err_pkt->hdr[1];
1830 		rc_status->status_valid |= UE_HDR2_VALID;
1831 	}
1832 
1833 	/* ue_fst_err_ptr - not available for sun4v?? */
1834 
1835 
1836 	if (err_pkt->pec_descr.S) {
1837 		rc_status->source_id = err_pkt->err_src_reg;
1838 		rc_status->status_valid |= SOURCE_ID_VALID;
1839 	}
1840 
1841 	if (err_pkt->pec_descr.R) {
1842 		rc_status->root_err_status = err_pkt->root_err_status;
1843 		rc_status->status_valid |= CE_STATUS_VALID;
1844 	}
1845 }
1846 #endif
1847 
1848 /*ARGSUSED*/
1849 int
1850 px_lib_pmctl(int cmd, px_t *px_p)
1851 {
1852 	return (DDI_FAILURE);
1853 }
1854 
1855 /*ARGSUSED*/
1856 uint_t
1857 px_pmeq_intr(caddr_t arg)
1858 {
1859 	return (DDI_INTR_CLAIMED);
1860 }
1861 
1862 /*
1863  * Unprotected raw reads/writes of fabric device's config space.
1864  * Only used for temporary PCI-E Fabric Error Handling.
1865  */
1866 uint32_t
1867 px_fab_get(px_t *px_p, pcie_req_id_t bdf, uint16_t offset) {
1868 	uint32_t 	data = 0;
1869 
1870 	(void) hvio_config_get(px_p->px_dev_hdl,
1871 	    (bdf << PX_RA_BDF_SHIFT), offset, 4,
1872 	    (pci_cfg_data_t *)&data);
1873 
1874 	return (data);
1875 }
1876 
1877 void
1878 px_fab_set(px_t *px_p, pcie_req_id_t bdf, uint16_t offset,
1879     uint32_t val) {
1880 	pci_cfg_data_t	wdata = { 0 };
1881 
1882 	wdata.qw = (uint32_t)val;
1883 	(void) hvio_config_put(px_p->px_dev_hdl,
1884 	    (bdf << PX_RA_BDF_SHIFT), offset, 4, wdata);
1885 }
1886 
1887 /*ARGSUSED*/
1888 int
1889 px_lib_hotplug_init(dev_info_t *dip, void *arg)
1890 {
1891 	return (DDI_ENOTSUP);
1892 }
1893 
1894 /*ARGSUSED*/
1895 void
1896 px_lib_hotplug_uninit(dev_info_t *dip)
1897 {
1898 }
1899 
1900 /* Dummy cpr add callback */
1901 /*ARGSUSED*/
1902 void
1903 px_cpr_add_callb(px_t *px_p)
1904 {
1905 }
1906 
1907 /* Dummy cpr rem callback */
1908 /*ARGSUSED*/
1909 void
1910 px_cpr_rem_callb(px_t *px_p)
1911 {
1912 }
1913