xref: /titanic_50/usr/src/uts/sun4v/io/px/px_lib4v.c (revision 0eb822a1c0c2bea495647510b75f77f0e57633eb)
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_ino_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_p) {
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 	r_addr_t	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_size = msiq_state_p->msiq_rec_cnt * sizeof (msiq_rec_t);
559 
560 	for (i = 0; i < msiq_state_p->msiq_cnt; i++) {
561 		ra = (r_addr_t)va_to_pa((caddr_t)msiq_state_p->msiq_buf_p +
562 		    (i * msiq_size));
563 
564 		if ((ret = hvio_msiq_conf(DIP_TO_HANDLE(dip),
565 		    (i + msiq_state_p->msiq_1st_msiq_id),
566 		    ra, msiq_state_p->msiq_rec_cnt)) != H_EOK) {
567 			DBG(DBG_LIB_MSIQ, dip,
568 			    "hvio_msiq_conf failed, ret 0x%lx\n", ret);
569 			err = DDI_FAILURE;
570 			break;
571 		}
572 
573 		if ((err = px_lib_msiq_info(dip,
574 		    (i + msiq_state_p->msiq_1st_msiq_id),
575 		    &ra, &rec_cnt)) != DDI_SUCCESS) {
576 			DBG(DBG_LIB_MSIQ, dip,
577 			    "px_lib_msiq_info failed, ret 0x%x\n", err);
578 			err = DDI_FAILURE;
579 			break;
580 		}
581 
582 		DBG(DBG_LIB_MSIQ, dip,
583 		    "px_lib_msiq_init: ra 0x%p rec_cnt 0x%x\n", ra, rec_cnt);
584 	}
585 
586 	return (err);
587 }
588 
589 /*ARGSUSED*/
590 int
591 px_lib_msiq_fini(dev_info_t *dip)
592 {
593 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_fini: dip 0x%p\n", dip);
594 
595 	return (DDI_SUCCESS);
596 }
597 
598 /*ARGSUSED*/
599 int
600 px_lib_msiq_info(dev_info_t *dip, msiqid_t msiq_id, r_addr_t *ra_p,
601     uint_t *msiq_rec_cnt_p)
602 {
603 	uint64_t	ret;
604 
605 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: dip 0x%p msiq_id 0x%x\n",
606 	    dip, msiq_id);
607 
608 	if ((ret = hvio_msiq_info(DIP_TO_HANDLE(dip),
609 	    msiq_id, ra_p, msiq_rec_cnt_p)) != H_EOK) {
610 		DBG(DBG_LIB_MSIQ, dip,
611 		    "hvio_msiq_info failed, ret 0x%lx\n", ret);
612 		return (DDI_FAILURE);
613 	}
614 
615 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: ra_p 0x%p msiq_rec_cnt 0x%x\n",
616 	    ra_p, *msiq_rec_cnt_p);
617 
618 	return (DDI_SUCCESS);
619 }
620 
621 /*ARGSUSED*/
622 int
623 px_lib_msiq_getvalid(dev_info_t *dip, msiqid_t msiq_id,
624     pci_msiq_valid_state_t *msiq_valid_state)
625 {
626 	uint64_t	ret;
627 
628 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: dip 0x%p msiq_id 0x%x\n",
629 	    dip, msiq_id);
630 
631 	if ((ret = hvio_msiq_getvalid(DIP_TO_HANDLE(dip),
632 	    msiq_id, msiq_valid_state)) != H_EOK) {
633 		DBG(DBG_LIB_MSIQ, dip,
634 		    "hvio_msiq_getvalid failed, ret 0x%lx\n", ret);
635 		return (DDI_FAILURE);
636 	}
637 
638 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: msiq_valid_state 0x%x\n",
639 	    *msiq_valid_state);
640 
641 	return (DDI_SUCCESS);
642 }
643 
644 /*ARGSUSED*/
645 int
646 px_lib_msiq_setvalid(dev_info_t *dip, msiqid_t msiq_id,
647     pci_msiq_valid_state_t msiq_valid_state)
648 {
649 	uint64_t	ret;
650 
651 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_setvalid: dip 0x%p msiq_id 0x%x "
652 	    "msiq_valid_state 0x%x\n", dip, msiq_id, msiq_valid_state);
653 
654 	if ((ret = hvio_msiq_setvalid(DIP_TO_HANDLE(dip),
655 	    msiq_id, msiq_valid_state)) != H_EOK) {
656 		DBG(DBG_LIB_MSIQ, dip,
657 		    "hvio_msiq_setvalid failed, ret 0x%lx\n", ret);
658 		return (DDI_FAILURE);
659 	}
660 
661 	return (DDI_SUCCESS);
662 }
663 
664 /*ARGSUSED*/
665 int
666 px_lib_msiq_getstate(dev_info_t *dip, msiqid_t msiq_id,
667     pci_msiq_state_t *msiq_state)
668 {
669 	uint64_t	ret;
670 
671 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: dip 0x%p msiq_id 0x%x\n",
672 	    dip, msiq_id);
673 
674 	if ((ret = hvio_msiq_getstate(DIP_TO_HANDLE(dip),
675 	    msiq_id, msiq_state)) != H_EOK) {
676 		DBG(DBG_LIB_MSIQ, dip,
677 		    "hvio_msiq_getstate failed, ret 0x%lx\n", ret);
678 		return (DDI_FAILURE);
679 	}
680 
681 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: msiq_state 0x%x\n",
682 	    *msiq_state);
683 
684 	return (DDI_SUCCESS);
685 }
686 
687 /*ARGSUSED*/
688 int
689 px_lib_msiq_setstate(dev_info_t *dip, msiqid_t msiq_id,
690     pci_msiq_state_t msiq_state)
691 {
692 	uint64_t	ret;
693 
694 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_setstate: dip 0x%p msiq_id 0x%x "
695 	    "msiq_state 0x%x\n", dip, msiq_id, msiq_state);
696 
697 	if ((ret = hvio_msiq_setstate(DIP_TO_HANDLE(dip),
698 	    msiq_id, msiq_state)) != H_EOK) {
699 		DBG(DBG_LIB_MSIQ, dip,
700 		    "hvio_msiq_setstate failed, ret 0x%lx\n", ret);
701 		return (DDI_FAILURE);
702 	}
703 
704 	return (DDI_SUCCESS);
705 }
706 
707 /*ARGSUSED*/
708 int
709 px_lib_msiq_gethead(dev_info_t *dip, msiqid_t msiq_id,
710     msiqhead_t *msiq_head_p)
711 {
712 	uint64_t	ret;
713 
714 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gethead: dip 0x%p msiq_id 0x%x\n",
715 	    dip, msiq_id);
716 
717 	if ((ret = hvio_msiq_gethead(DIP_TO_HANDLE(dip),
718 	    msiq_id, msiq_head_p)) != H_EOK) {
719 		DBG(DBG_LIB_MSIQ, dip,
720 		    "hvio_msiq_gethead failed, ret 0x%lx\n", ret);
721 		return (DDI_FAILURE);
722 	}
723 
724 	*msiq_head_p =  (*msiq_head_p / sizeof (msiq_rec_t));
725 
726 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_gethead: msiq_head 0x%x\n",
727 	    *msiq_head_p);
728 
729 	return (DDI_SUCCESS);
730 }
731 
732 /*ARGSUSED*/
733 int
734 px_lib_msiq_sethead(dev_info_t *dip, msiqid_t msiq_id,
735     msiqhead_t msiq_head)
736 {
737 	uint64_t	ret;
738 
739 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_sethead: dip 0x%p msiq_id 0x%x "
740 	    "msiq_head 0x%x\n", dip, msiq_id, msiq_head);
741 
742 	if ((ret = hvio_msiq_sethead(DIP_TO_HANDLE(dip),
743 	    msiq_id, msiq_head * sizeof (msiq_rec_t))) != H_EOK) {
744 		DBG(DBG_LIB_MSIQ, dip,
745 		    "hvio_msiq_sethead failed, ret 0x%lx\n", ret);
746 		return (DDI_FAILURE);
747 	}
748 
749 	return (DDI_SUCCESS);
750 }
751 
752 /*ARGSUSED*/
753 int
754 px_lib_msiq_gettail(dev_info_t *dip, msiqid_t msiq_id,
755     msiqtail_t *msiq_tail_p)
756 {
757 	uint64_t	ret;
758 
759 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: dip 0x%p msiq_id 0x%x\n",
760 	    dip, msiq_id);
761 
762 	if ((ret = hvio_msiq_gettail(DIP_TO_HANDLE(dip),
763 	    msiq_id, msiq_tail_p)) != H_EOK) {
764 		DBG(DBG_LIB_MSIQ, dip,
765 		    "hvio_msiq_gettail failed, ret 0x%lx\n", ret);
766 		return (DDI_FAILURE);
767 	}
768 
769 	*msiq_tail_p =  (*msiq_tail_p / sizeof (msiq_rec_t));
770 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: msiq_tail 0x%x\n",
771 	    *msiq_tail_p);
772 
773 	return (DDI_SUCCESS);
774 }
775 
776 /*ARGSUSED*/
777 void
778 px_lib_get_msiq_rec(dev_info_t *dip, msiqhead_t *msiq_head_p,
779     msiq_rec_t *msiq_rec_p)
780 {
781 	msiq_rec_t	*curr_msiq_rec_p = (msiq_rec_t *)msiq_head_p;
782 
783 	DBG(DBG_LIB_MSIQ, dip, "px_lib_get_msiq_rec: dip 0x%p\n", dip);
784 
785 	if (!curr_msiq_rec_p->msiq_rec_type) {
786 		/* Set msiq_rec_type to zero */
787 		msiq_rec_p->msiq_rec_type = 0;
788 
789 		return;
790 	}
791 
792 	*msiq_rec_p = *curr_msiq_rec_p;
793 }
794 
795 /*ARGSUSED*/
796 void
797 px_lib_clr_msiq_rec(dev_info_t *dip, msiqhead_t *msiq_head_p)
798 {
799 	msiq_rec_t	*curr_msiq_rec_p = (msiq_rec_t *)msiq_head_p;
800 
801 	DBG(DBG_LIB_MSIQ, dip, "px_lib_clr_msiq_rec: dip 0x%p\n", dip);
802 
803 	/* Zero out msiq_rec_type field */
804 	curr_msiq_rec_p->msiq_rec_type  = 0;
805 }
806 
807 /*
808  * MSI Functions:
809  */
810 
811 /*ARGSUSED*/
812 int
813 px_lib_msi_init(dev_info_t *dip)
814 {
815 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_init: dip 0x%p\n", dip);
816 
817 	/* Noop */
818 	return (DDI_SUCCESS);
819 }
820 
821 /*ARGSUSED*/
822 int
823 px_lib_msi_getmsiq(dev_info_t *dip, msinum_t msi_num,
824     msiqid_t *msiq_id)
825 {
826 	uint64_t	ret;
827 
828 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: dip 0x%p msi_num 0x%x\n",
829 	    dip, msi_num);
830 
831 	if ((ret = hvio_msi_getmsiq(DIP_TO_HANDLE(dip),
832 	    msi_num, msiq_id)) != H_EOK) {
833 		DBG(DBG_LIB_MSI, dip,
834 		    "hvio_msi_getmsiq failed, ret 0x%lx\n", ret);
835 		return (DDI_FAILURE);
836 	}
837 
838 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: msiq_id 0x%x\n",
839 	    *msiq_id);
840 
841 	return (DDI_SUCCESS);
842 }
843 
844 /*ARGSUSED*/
845 int
846 px_lib_msi_setmsiq(dev_info_t *dip, msinum_t msi_num,
847     msiqid_t msiq_id, msi_type_t msitype)
848 {
849 	uint64_t	ret;
850 
851 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setmsiq: dip 0x%p msi_num 0x%x "
852 	    "msq_id 0x%x\n", dip, msi_num, msiq_id);
853 
854 	if ((ret = hvio_msi_setmsiq(DIP_TO_HANDLE(dip),
855 	    msi_num, msiq_id, msitype)) != H_EOK) {
856 		DBG(DBG_LIB_MSI, dip,
857 		    "hvio_msi_setmsiq failed, ret 0x%lx\n", ret);
858 		return (DDI_FAILURE);
859 	}
860 
861 	return (DDI_SUCCESS);
862 }
863 
864 /*ARGSUSED*/
865 int
866 px_lib_msi_getvalid(dev_info_t *dip, msinum_t msi_num,
867     pci_msi_valid_state_t *msi_valid_state)
868 {
869 	uint64_t	ret;
870 
871 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: dip 0x%p msi_num 0x%x\n",
872 	    dip, msi_num);
873 
874 	if ((ret = hvio_msi_getvalid(DIP_TO_HANDLE(dip),
875 	    msi_num, msi_valid_state)) != H_EOK) {
876 		DBG(DBG_LIB_MSI, dip,
877 		    "hvio_msi_getvalid failed, ret 0x%lx\n", ret);
878 		return (DDI_FAILURE);
879 	}
880 
881 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: msiq_id 0x%x\n",
882 	    *msi_valid_state);
883 
884 	return (DDI_SUCCESS);
885 }
886 
887 /*ARGSUSED*/
888 int
889 px_lib_msi_setvalid(dev_info_t *dip, msinum_t msi_num,
890     pci_msi_valid_state_t msi_valid_state)
891 {
892 	uint64_t	ret;
893 
894 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setvalid: dip 0x%p msi_num 0x%x "
895 	    "msi_valid_state 0x%x\n", dip, msi_num, msi_valid_state);
896 
897 	if ((ret = hvio_msi_setvalid(DIP_TO_HANDLE(dip),
898 	    msi_num, msi_valid_state)) != H_EOK) {
899 		DBG(DBG_LIB_MSI, dip,
900 		    "hvio_msi_setvalid failed, ret 0x%lx\n", ret);
901 		return (DDI_FAILURE);
902 	}
903 
904 	return (DDI_SUCCESS);
905 }
906 
907 /*ARGSUSED*/
908 int
909 px_lib_msi_getstate(dev_info_t *dip, msinum_t msi_num,
910     pci_msi_state_t *msi_state)
911 {
912 	uint64_t	ret;
913 
914 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: dip 0x%p msi_num 0x%x\n",
915 	    dip, msi_num);
916 
917 	if ((ret = hvio_msi_getstate(DIP_TO_HANDLE(dip),
918 	    msi_num, msi_state)) != H_EOK) {
919 		DBG(DBG_LIB_MSI, dip,
920 		    "hvio_msi_getstate failed, ret 0x%lx\n", ret);
921 		return (DDI_FAILURE);
922 	}
923 
924 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: msi_state 0x%x\n",
925 	    *msi_state);
926 
927 	return (DDI_SUCCESS);
928 }
929 
930 /*ARGSUSED*/
931 int
932 px_lib_msi_setstate(dev_info_t *dip, msinum_t msi_num,
933     pci_msi_state_t msi_state)
934 {
935 	uint64_t	ret;
936 
937 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setstate: dip 0x%p msi_num 0x%x "
938 	    "msi_state 0x%x\n", dip, msi_num, msi_state);
939 
940 	if ((ret = hvio_msi_setstate(DIP_TO_HANDLE(dip),
941 	    msi_num, msi_state)) != H_EOK) {
942 		DBG(DBG_LIB_MSI, dip,
943 		    "hvio_msi_setstate failed, ret 0x%lx\n", ret);
944 		return (DDI_FAILURE);
945 	}
946 
947 	return (DDI_SUCCESS);
948 }
949 
950 /*
951  * MSG Functions:
952  */
953 
954 /*ARGSUSED*/
955 int
956 px_lib_msg_getmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
957     msiqid_t *msiq_id)
958 {
959 	uint64_t	ret;
960 
961 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_getmsiq: dip 0x%p msg_type 0x%x\n",
962 	    dip, msg_type);
963 
964 	if ((ret = hvio_msg_getmsiq(DIP_TO_HANDLE(dip),
965 	    msg_type, msiq_id)) != H_EOK) {
966 		DBG(DBG_LIB_MSG, dip,
967 		    "hvio_msg_getmsiq failed, ret 0x%lx\n", ret);
968 		return (DDI_FAILURE);
969 	}
970 
971 	DBG(DBG_LIB_MSI, dip, "px_lib_msg_getmsiq: msiq_id 0x%x\n",
972 	    *msiq_id);
973 
974 	return (DDI_SUCCESS);
975 }
976 
977 /*ARGSUSED*/
978 int
979 px_lib_msg_setmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
980     msiqid_t msiq_id)
981 {
982 	uint64_t	ret;
983 
984 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_setmsiq: dip 0x%p msg_type 0x%x "
985 	    "msq_id 0x%x\n", dip, msg_type, msiq_id);
986 
987 	if ((ret = hvio_msg_setmsiq(DIP_TO_HANDLE(dip),
988 	    msg_type, msiq_id)) != H_EOK) {
989 		DBG(DBG_LIB_MSG, dip,
990 		    "hvio_msg_setmsiq failed, ret 0x%lx\n", ret);
991 		return (DDI_FAILURE);
992 	}
993 
994 	return (DDI_SUCCESS);
995 }
996 
997 /*ARGSUSED*/
998 int
999 px_lib_msg_getvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
1000     pcie_msg_valid_state_t *msg_valid_state)
1001 {
1002 	uint64_t	ret;
1003 
1004 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_getvalid: dip 0x%p msg_type 0x%x\n",
1005 	    dip, msg_type);
1006 
1007 	if ((ret = hvio_msg_getvalid(DIP_TO_HANDLE(dip), msg_type,
1008 	    msg_valid_state)) != H_EOK) {
1009 		DBG(DBG_LIB_MSG, dip,
1010 		    "hvio_msg_getvalid failed, ret 0x%lx\n", ret);
1011 		return (DDI_FAILURE);
1012 	}
1013 
1014 	DBG(DBG_LIB_MSI, dip, "px_lib_msg_getvalid: msg_valid_state 0x%x\n",
1015 	    *msg_valid_state);
1016 
1017 	return (DDI_SUCCESS);
1018 }
1019 
1020 /*ARGSUSED*/
1021 int
1022 px_lib_msg_setvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
1023     pcie_msg_valid_state_t msg_valid_state)
1024 {
1025 	uint64_t	ret;
1026 
1027 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_setvalid: dip 0x%p msg_type 0x%x "
1028 	    "msg_valid_state 0x%x\n", dip, msg_type, msg_valid_state);
1029 
1030 	if ((ret = hvio_msg_setvalid(DIP_TO_HANDLE(dip), msg_type,
1031 	    msg_valid_state)) != H_EOK) {
1032 		DBG(DBG_LIB_MSG, dip,
1033 		    "hvio_msg_setvalid failed, ret 0x%lx\n", ret);
1034 		return (DDI_FAILURE);
1035 	}
1036 
1037 	return (DDI_SUCCESS);
1038 }
1039 
1040 /*
1041  * Suspend/Resume Functions:
1042  * Currently unsupported by hypervisor and all functions are noops.
1043  */
1044 /*ARGSUSED*/
1045 int
1046 px_lib_suspend(dev_info_t *dip)
1047 {
1048 	DBG(DBG_ATTACH, dip, "px_lib_suspend: Not supported\n");
1049 
1050 	/* Not supported */
1051 	return (DDI_FAILURE);
1052 }
1053 
1054 /*ARGSUSED*/
1055 void
1056 px_lib_resume(dev_info_t *dip)
1057 {
1058 	DBG(DBG_ATTACH, dip, "px_lib_resume: Not supported\n");
1059 
1060 	/* Noop */
1061 }
1062 
1063 /*
1064  * Misc Functions:
1065  * Currently unsupported by hypervisor and all functions are noops.
1066  */
1067 /*ARGSUSED*/
1068 static int
1069 px_lib_config_get(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off,
1070     uint8_t size, pci_cfg_data_t *data_p)
1071 {
1072 	uint64_t	ret;
1073 
1074 	DBG(DBG_LIB_CFG, dip, "px_lib_config_get: dip 0x%p, bdf 0x%llx "
1075 	    "off 0x%x size 0x%x\n", dip, bdf, off, size);
1076 
1077 	if ((ret = hvio_config_get(DIP_TO_HANDLE(dip), bdf, off,
1078 	    size, data_p)) != H_EOK) {
1079 		DBG(DBG_LIB_CFG, dip,
1080 		    "hvio_config_get failed, ret 0x%lx\n", ret);
1081 		return (DDI_FAILURE);
1082 	}
1083 	DBG(DBG_LIB_CFG, dip, "px_config_get: data 0x%x\n", data_p->dw);
1084 
1085 	return (DDI_SUCCESS);
1086 }
1087 
1088 /*ARGSUSED*/
1089 static int
1090 px_lib_config_put(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off,
1091     uint8_t size, pci_cfg_data_t data)
1092 {
1093 	uint64_t	ret;
1094 
1095 	DBG(DBG_LIB_CFG, dip, "px_lib_config_put: dip 0x%p, bdf 0x%llx "
1096 	    "off 0x%x size 0x%x data 0x%llx\n", dip, bdf, off, size, data.qw);
1097 
1098 	if ((ret = hvio_config_put(DIP_TO_HANDLE(dip), bdf, off,
1099 	    size, data)) != H_EOK) {
1100 		DBG(DBG_LIB_CFG, dip,
1101 		    "hvio_config_put failed, ret 0x%lx\n", ret);
1102 		return (DDI_FAILURE);
1103 	}
1104 
1105 	return (DDI_SUCCESS);
1106 }
1107 
1108 static uint32_t
1109 px_pci_config_get(ddi_acc_impl_t *handle, uint32_t *addr, int size)
1110 {
1111 	px_config_acc_pvt_t	*px_pvt = (px_config_acc_pvt_t *)
1112 					handle->ahi_common.ah_bus_private;
1113 	uint32_t pci_dev_addr = px_pvt->raddr;
1114 	uint32_t vaddr = px_pvt->vaddr;
1115 	uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff;
1116 	uint32_t rdata = 0;
1117 
1118 	if (px_lib_config_get(px_pvt->dip, pci_dev_addr, off,
1119 				size, (pci_cfg_data_t *)&rdata) != DDI_SUCCESS)
1120 		/* XXX update error kstats */
1121 		return (0xffffffff);
1122 	return (rdata);
1123 }
1124 
1125 static void
1126 px_pci_config_put(ddi_acc_impl_t *handle, uint32_t *addr,
1127 		int size, pci_cfg_data_t wdata)
1128 {
1129 	px_config_acc_pvt_t	*px_pvt = (px_config_acc_pvt_t *)
1130 					handle->ahi_common.ah_bus_private;
1131 	uint32_t pci_dev_addr = px_pvt->raddr;
1132 	uint32_t vaddr = px_pvt->vaddr;
1133 	uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff;
1134 
1135 	if (px_lib_config_put(px_pvt->dip, pci_dev_addr, off,
1136 				size, wdata) != DDI_SUCCESS) {
1137 		/*EMPTY*/
1138 		/* XXX update error kstats */
1139 	}
1140 }
1141 
1142 static uint8_t
1143 px_pci_config_get8(ddi_acc_impl_t *handle, uint8_t *addr)
1144 {
1145 	return ((uint8_t)px_pci_config_get(handle, (uint32_t *)addr, 1));
1146 }
1147 
1148 static uint16_t
1149 px_pci_config_get16(ddi_acc_impl_t *handle, uint16_t *addr)
1150 {
1151 	return ((uint16_t)px_pci_config_get(handle, (uint32_t *)addr, 2));
1152 }
1153 
1154 static uint32_t
1155 px_pci_config_get32(ddi_acc_impl_t *handle, uint32_t *addr)
1156 {
1157 	return ((uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4));
1158 }
1159 
1160 static uint64_t
1161 px_pci_config_get64(ddi_acc_impl_t *handle, uint64_t *addr)
1162 {
1163 	uint32_t rdatah, rdatal;
1164 
1165 	rdatal = (uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4);
1166 	rdatah = (uint32_t)px_pci_config_get(handle,
1167 				(uint32_t *)((char *)addr+4), 4);
1168 	return (((uint64_t)rdatah << 32) | rdatal);
1169 }
1170 
1171 static void
1172 px_pci_config_put8(ddi_acc_impl_t *handle, uint8_t *addr, uint8_t data)
1173 {
1174 	pci_cfg_data_t wdata = { 0 };
1175 
1176 	wdata.qw = (uint8_t)data;
1177 	px_pci_config_put(handle, (uint32_t *)addr, 1, wdata);
1178 }
1179 
1180 static void
1181 px_pci_config_put16(ddi_acc_impl_t *handle, uint16_t *addr, uint16_t data)
1182 {
1183 	pci_cfg_data_t wdata = { 0 };
1184 
1185 	wdata.qw = (uint16_t)data;
1186 	px_pci_config_put(handle, (uint32_t *)addr, 2, wdata);
1187 }
1188 
1189 static void
1190 px_pci_config_put32(ddi_acc_impl_t *handle, uint32_t *addr, uint32_t data)
1191 {
1192 	pci_cfg_data_t wdata = { 0 };
1193 
1194 	wdata.qw = (uint32_t)data;
1195 	px_pci_config_put(handle, (uint32_t *)addr, 4, wdata);
1196 }
1197 
1198 static void
1199 px_pci_config_put64(ddi_acc_impl_t *handle, uint64_t *addr, uint64_t data)
1200 {
1201 	pci_cfg_data_t wdata = { 0 };
1202 
1203 	wdata.qw = (uint32_t)(data & 0xffffffff);
1204 	px_pci_config_put(handle, (uint32_t *)addr, 4, wdata);
1205 	wdata.qw = (uint32_t)((data >> 32) & 0xffffffff);
1206 	px_pci_config_put(handle, (uint32_t *)((char *)addr+4), 4, wdata);
1207 }
1208 
1209 static void
1210 px_pci_config_rep_get8(ddi_acc_impl_t *handle, uint8_t *host_addr,
1211 			uint8_t *dev_addr, size_t repcount, uint_t flags)
1212 {
1213 	if (flags == DDI_DEV_AUTOINCR)
1214 		for (; repcount; repcount--)
1215 			*host_addr++ = px_pci_config_get8(handle, dev_addr++);
1216 	else
1217 		for (; repcount; repcount--)
1218 			*host_addr++ = px_pci_config_get8(handle, dev_addr);
1219 }
1220 
1221 /*
1222  * Function to rep read 16 bit data off the PCI configuration space behind
1223  * the 21554's host interface.
1224  */
1225 static void
1226 px_pci_config_rep_get16(ddi_acc_impl_t *handle, uint16_t *host_addr,
1227 			uint16_t *dev_addr, size_t repcount, uint_t flags)
1228 {
1229 	if (flags == DDI_DEV_AUTOINCR)
1230 		for (; repcount; repcount--)
1231 			*host_addr++ = px_pci_config_get16(handle, dev_addr++);
1232 	else
1233 		for (; repcount; repcount--)
1234 			*host_addr++ = px_pci_config_get16(handle, dev_addr);
1235 }
1236 
1237 /*
1238  * Function to rep read 32 bit data off the PCI configuration space behind
1239  * the 21554's host interface.
1240  */
1241 static void
1242 px_pci_config_rep_get32(ddi_acc_impl_t *handle, uint32_t *host_addr,
1243 			uint32_t *dev_addr, size_t repcount, uint_t flags)
1244 {
1245 	if (flags == DDI_DEV_AUTOINCR)
1246 		for (; repcount; repcount--)
1247 			*host_addr++ = px_pci_config_get32(handle, dev_addr++);
1248 	else
1249 		for (; repcount; repcount--)
1250 			*host_addr++ = px_pci_config_get32(handle, dev_addr);
1251 }
1252 
1253 /*
1254  * Function to rep read 64 bit data off the PCI configuration space behind
1255  * the 21554's host interface.
1256  */
1257 static void
1258 px_pci_config_rep_get64(ddi_acc_impl_t *handle, uint64_t *host_addr,
1259 			uint64_t *dev_addr, size_t repcount, uint_t flags)
1260 {
1261 	if (flags == DDI_DEV_AUTOINCR)
1262 		for (; repcount; repcount--)
1263 			*host_addr++ = px_pci_config_get64(handle, dev_addr++);
1264 	else
1265 		for (; repcount; repcount--)
1266 			*host_addr++ = px_pci_config_get64(handle, dev_addr);
1267 }
1268 
1269 /*
1270  * Function to rep write 8 bit data into the PCI configuration space behind
1271  * the 21554's host interface.
1272  */
1273 static void
1274 px_pci_config_rep_put8(ddi_acc_impl_t *handle, uint8_t *host_addr,
1275 			uint8_t *dev_addr, size_t repcount, uint_t flags)
1276 {
1277 	if (flags == DDI_DEV_AUTOINCR)
1278 		for (; repcount; repcount--)
1279 			px_pci_config_put8(handle, dev_addr++, *host_addr++);
1280 	else
1281 		for (; repcount; repcount--)
1282 			px_pci_config_put8(handle, dev_addr, *host_addr++);
1283 }
1284 
1285 /*
1286  * Function to rep write 16 bit data into the PCI configuration space behind
1287  * the 21554's host interface.
1288  */
1289 static void
1290 px_pci_config_rep_put16(ddi_acc_impl_t *handle, uint16_t *host_addr,
1291 			uint16_t *dev_addr, size_t repcount, uint_t flags)
1292 {
1293 	if (flags == DDI_DEV_AUTOINCR)
1294 		for (; repcount; repcount--)
1295 			px_pci_config_put16(handle, dev_addr++, *host_addr++);
1296 	else
1297 		for (; repcount; repcount--)
1298 			px_pci_config_put16(handle, dev_addr, *host_addr++);
1299 }
1300 
1301 /*
1302  * Function to rep write 32 bit data into the PCI configuration space behind
1303  * the 21554's host interface.
1304  */
1305 static void
1306 px_pci_config_rep_put32(ddi_acc_impl_t *handle, uint32_t *host_addr,
1307 			uint32_t *dev_addr, size_t repcount, uint_t flags)
1308 {
1309 	if (flags == DDI_DEV_AUTOINCR)
1310 		for (; repcount; repcount--)
1311 			px_pci_config_put32(handle, dev_addr++, *host_addr++);
1312 	else
1313 		for (; repcount; repcount--)
1314 			px_pci_config_put32(handle, dev_addr, *host_addr++);
1315 }
1316 
1317 /*
1318  * Function to rep write 64 bit data into the PCI configuration space behind
1319  * the 21554's host interface.
1320  */
1321 static void
1322 px_pci_config_rep_put64(ddi_acc_impl_t *handle, uint64_t *host_addr,
1323 			uint64_t *dev_addr, size_t repcount, uint_t flags)
1324 {
1325 	if (flags == DDI_DEV_AUTOINCR)
1326 		for (; repcount; repcount--)
1327 			px_pci_config_put64(handle, dev_addr++, *host_addr++);
1328 	else
1329 		for (; repcount; repcount--)
1330 			px_pci_config_put64(handle, dev_addr, *host_addr++);
1331 }
1332 
1333 /*
1334  * Provide a private access handle to route config access calls to Hypervisor.
1335  * Beware: Do all error checking for config space accesses before calling
1336  * this function. ie. do error checking from the calling function.
1337  * Due to a lack of meaningful error code in DDI, the gauranteed return of
1338  * DDI_SUCCESS from here makes the code organization readable/easier from
1339  * the generic code.
1340  */
1341 /*ARGSUSED*/
1342 int
1343 px_lib_map_vconfig(dev_info_t *dip,
1344 	ddi_map_req_t *mp, pci_config_offset_t off,
1345 	pci_regspec_t *rp, caddr_t *addrp)
1346 {
1347 	ddi_acc_hdl_t *hp;
1348 	ddi_acc_impl_t *ap;
1349 	uchar_t busnum;	/* bus number */
1350 	uchar_t devnum;	/* device number */
1351 	uchar_t funcnum; /* function number */
1352 	px_config_acc_pvt_t *px_pvt;
1353 
1354 	hp = (ddi_acc_hdl_t *)mp->map_handlep;
1355 	ap = (ddi_acc_impl_t *)hp->ah_platform_private;
1356 
1357 	/* Check for mapping teardown operation */
1358 	if ((mp->map_op == DDI_MO_UNMAP) ||
1359 			(mp->map_op == DDI_MO_UNLOCK)) {
1360 		/* free up memory allocated for the private access handle. */
1361 		px_pvt = (px_config_acc_pvt_t *)hp->ah_bus_private;
1362 		kmem_free((void *)px_pvt, sizeof (px_config_acc_pvt_t));
1363 
1364 		/* unmap operation of PCI IO/config space. */
1365 		return (DDI_SUCCESS);
1366 	}
1367 
1368 	ap->ahi_get8 = px_pci_config_get8;
1369 	ap->ahi_get16 = px_pci_config_get16;
1370 	ap->ahi_get32 = px_pci_config_get32;
1371 	ap->ahi_get64 = px_pci_config_get64;
1372 	ap->ahi_put8 = px_pci_config_put8;
1373 	ap->ahi_put16 = px_pci_config_put16;
1374 	ap->ahi_put32 = px_pci_config_put32;
1375 	ap->ahi_put64 = px_pci_config_put64;
1376 	ap->ahi_rep_get8 = px_pci_config_rep_get8;
1377 	ap->ahi_rep_get16 = px_pci_config_rep_get16;
1378 	ap->ahi_rep_get32 = px_pci_config_rep_get32;
1379 	ap->ahi_rep_get64 = px_pci_config_rep_get64;
1380 	ap->ahi_rep_put8 = px_pci_config_rep_put8;
1381 	ap->ahi_rep_put16 = px_pci_config_rep_put16;
1382 	ap->ahi_rep_put32 = px_pci_config_rep_put32;
1383 	ap->ahi_rep_put64 = px_pci_config_rep_put64;
1384 
1385 	/* Initialize to default check/notify functions */
1386 	ap->ahi_fault = 0;
1387 	ap->ahi_fault_check = i_ddi_acc_fault_check;
1388 	ap->ahi_fault_notify = i_ddi_acc_fault_notify;
1389 
1390 	/* allocate memory for our private handle */
1391 	px_pvt = (px_config_acc_pvt_t *)
1392 			kmem_zalloc(sizeof (px_config_acc_pvt_t), KM_SLEEP);
1393 	hp->ah_bus_private = (void *)px_pvt;
1394 
1395 	busnum = PCI_REG_BUS_G(rp->pci_phys_hi);
1396 	devnum = PCI_REG_DEV_G(rp->pci_phys_hi);
1397 	funcnum = PCI_REG_FUNC_G(rp->pci_phys_hi);
1398 
1399 	/* set up private data for use during IO routines */
1400 
1401 	/* addr needed by the HV APIs */
1402 	px_pvt->raddr = busnum << 16 | devnum << 11 | funcnum << 8;
1403 	/*
1404 	 * Address that specifies the actual offset into the 256MB
1405 	 * memory mapped configuration space, 4K per device.
1406 	 * First 12bits form the offset into 4K config space.
1407 	 * This address is only used during the IO routines to calculate
1408 	 * the offset at which the transaction must be performed.
1409 	 * Drivers bypassing DDI functions to access PCI config space will
1410 	 * panic the system since the following is a bogus virtual address.
1411 	 */
1412 	px_pvt->vaddr = busnum << 20 | devnum << 15 | funcnum << 12 | off;
1413 	px_pvt->dip = dip;
1414 
1415 	DBG(DBG_LIB_CFG, dip, "px_config_setup: raddr 0x%x, vaddr 0x%x\n",
1416 				px_pvt->raddr, px_pvt->vaddr);
1417 	*addrp = (caddr_t)(uintptr_t)px_pvt->vaddr;
1418 	return (DDI_SUCCESS);
1419 }
1420 
1421 /*ARGSUSED*/
1422 void
1423 px_lib_map_attr_check(ddi_map_req_t *mp)
1424 {
1425 }
1426 
1427 /*
1428  * px_lib_log_safeacc_err:
1429  * Imitate a cpu/mem trap call when a peek/poke fails.
1430  * This will initiate something similar to px_fm_callback.
1431  */
1432 static void
1433 px_lib_log_safeacc_err(px_t *px_p, ddi_acc_handle_t handle, int fme_flag)
1434 {
1435 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)handle;
1436 	ddi_fm_error_t derr;
1437 
1438 	derr.fme_status = DDI_FM_NONFATAL;
1439 	derr.fme_version = DDI_FME_VERSION;
1440 	derr.fme_flag = fme_flag;
1441 	derr.fme_ena = fm_ena_generate(0, FM_ENA_FMT1);
1442 	derr.fme_acc_handle = handle;
1443 	if (hp)
1444 		hp->ahi_err->err_expected = DDI_FM_ERR_EXPECTED;
1445 
1446 	mutex_enter(&px_p->px_fm_mutex);
1447 
1448 	(void) ndi_fm_handler_dispatch(px_p->px_dip, NULL, &derr);
1449 
1450 	mutex_exit(&px_p->px_fm_mutex);
1451 }
1452 
1453 
1454 #ifdef  DEBUG
1455 int	px_peekfault_cnt = 0;
1456 int	px_pokefault_cnt = 0;
1457 #endif  /* DEBUG */
1458 
1459 static int
1460 px_lib_bdf_from_dip(dev_info_t *rdip, uint32_t *bdf)
1461 {
1462 	/* Start with an array of 8 reg spaces for now to cover most devices. */
1463 	pci_regspec_t regspec_array[8];
1464 	pci_regspec_t *regspec = regspec_array;
1465 	int buflen = sizeof (regspec_array);
1466 	boolean_t kmalloced = B_FALSE;
1467 	int status;
1468 
1469 	status = ddi_getlongprop_buf(DDI_DEV_T_ANY, rdip,
1470 	    DDI_PROP_DONTPASS, "reg", (caddr_t)regspec, &buflen);
1471 
1472 	/* If need more space, fallback to kmem_alloc. */
1473 	if (status == DDI_PROP_BUF_TOO_SMALL) {
1474 		regspec = kmem_alloc(buflen, KM_SLEEP);
1475 
1476 		status = ddi_getlongprop_buf(DDI_DEV_T_ANY, rdip,
1477 		    DDI_PROP_DONTPASS, "reg", (caddr_t)regspec, &buflen);
1478 
1479 		kmalloced = B_TRUE;
1480 	}
1481 
1482 	/* Get phys_hi from first element.  All have same bdf. */
1483 	if (status == DDI_PROP_SUCCESS)
1484 		*bdf = regspec->pci_phys_hi & (PCI_REG_BDFR_M ^ PCI_REG_REG_M);
1485 
1486 	if (kmalloced)
1487 		kmem_free(regspec, buflen);
1488 
1489 	return ((status == DDI_PROP_SUCCESS) ? DDI_SUCCESS : DDI_FAILURE);
1490 }
1491 
1492 /*
1493  * Do a safe write to a device.
1494  *
1495  * When this function is given a handle (cautious access), all errors are
1496  * suppressed.
1497  *
1498  * When this function is not given a handle (poke), only Unsupported Request
1499  * and Completer Abort errors are suppressed.
1500  *
1501  * In all cases, all errors are returned in the function return status.
1502  */
1503 
1504 int
1505 px_lib_ctlops_poke(dev_info_t *dip, dev_info_t *rdip,
1506     peekpoke_ctlops_t *in_args)
1507 {
1508 	px_t *px_p = DIP_TO_STATE(dip);
1509 	px_pec_t *pec_p = px_p->px_pec_p;
1510 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle;
1511 
1512 	size_t repcount = in_args->repcount;
1513 	size_t size = in_args->size;
1514 	uintptr_t dev_addr = in_args->dev_addr;
1515 	uintptr_t host_addr = in_args->host_addr;
1516 
1517 	int err	= DDI_SUCCESS;
1518 	uint64_t hvio_poke_status;
1519 	uint32_t bdf;
1520 	uint32_t wrt_stat;
1521 
1522 	r_addr_t ra;
1523 	uint64_t pokeval;
1524 
1525 	/*
1526 	 * Used only to notify error handling peek/poke is occuring
1527 	 * One scenario is when a fabric err as a result of peek/poke.
1528 	 * However there is no way to guarantee that the fabric error
1529 	 * handler will occur in the window where otd is set.
1530 	 */
1531 	on_trap_data_t otd;
1532 
1533 	if (px_lib_bdf_from_dip(rdip, &bdf) != DDI_SUCCESS) {
1534 		DBG(DBG_LIB_DMA, px_p->px_dip,
1535 		    "poke: px_lib_bdf_from_dip failed\n");
1536 		err = DDI_FAILURE;
1537 		goto done;
1538 	}
1539 
1540 	ra = (r_addr_t)va_to_pa((void *)dev_addr);
1541 	for (; repcount; repcount--) {
1542 
1543 		switch (size) {
1544 		case sizeof (uint8_t):
1545 			pokeval = *(uint8_t *)host_addr;
1546 			break;
1547 		case sizeof (uint16_t):
1548 			pokeval = *(uint16_t *)host_addr;
1549 			break;
1550 		case sizeof (uint32_t):
1551 			pokeval = *(uint32_t *)host_addr;
1552 			break;
1553 		case sizeof (uint64_t):
1554 			pokeval = *(uint64_t *)host_addr;
1555 			break;
1556 		default:
1557 			DBG(DBG_MAP, px_p->px_dip,
1558 			    "poke: invalid size %d passed\n", size);
1559 			err = DDI_FAILURE;
1560 			goto done;
1561 		}
1562 
1563 		/*
1564 		 * Grab pokefault mutex since hypervisor does not guarantee
1565 		 * poke serialization.
1566 		 */
1567 		if (hp) {
1568 			i_ndi_busop_access_enter(hp->ahi_common.ah_dip,
1569 			    (ddi_acc_handle_t)hp);
1570 			pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED;
1571 		} else {
1572 			mutex_enter(&pec_p->pec_pokefault_mutex);
1573 			pec_p->pec_safeacc_type = DDI_FM_ERR_POKE;
1574 		}
1575 		pec_p->pec_ontrap_data = &otd;
1576 
1577 		hvio_poke_status = hvio_poke(px_p->px_dev_hdl, ra, size,
1578 			    pokeval, bdf, &wrt_stat);
1579 
1580 		if (otd.ot_trap & OT_DATA_ACCESS)
1581 			err = DDI_FAILURE;
1582 
1583 		if ((hvio_poke_status != H_EOK) || (wrt_stat != H_EOK)) {
1584 			err = DDI_FAILURE;
1585 #ifdef  DEBUG
1586 			px_pokefault_cnt++;
1587 #endif
1588 			/*
1589 			 * For CAUTIOUS and POKE access, notify FMA to
1590 			 * cleanup.  Imitate a cpu/mem trap call like in sun4u.
1591 			 */
1592 			px_lib_log_safeacc_err(px_p, (ddi_acc_handle_t)hp,
1593 			    (hp ? DDI_FM_ERR_EXPECTED :
1594 			    DDI_FM_ERR_POKE));
1595 
1596 			pec_p->pec_ontrap_data = NULL;
1597 			pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1598 			if (hp) {
1599 				i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1600 				    (ddi_acc_handle_t)hp);
1601 			} else {
1602 				mutex_exit(&pec_p->pec_pokefault_mutex);
1603 			}
1604 			goto done;
1605 		}
1606 
1607 		pec_p->pec_ontrap_data = NULL;
1608 		pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1609 		if (hp) {
1610 			i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1611 			    (ddi_acc_handle_t)hp);
1612 		} else {
1613 			mutex_exit(&pec_p->pec_pokefault_mutex);
1614 		}
1615 
1616 		host_addr += size;
1617 
1618 		if (in_args->flags == DDI_DEV_AUTOINCR) {
1619 			dev_addr += size;
1620 			ra = (r_addr_t)va_to_pa((void *)dev_addr);
1621 		}
1622 	}
1623 
1624 done:
1625 	return (err);
1626 }
1627 
1628 
1629 /*ARGSUSED*/
1630 int
1631 px_lib_ctlops_peek(dev_info_t *dip, dev_info_t *rdip,
1632     peekpoke_ctlops_t *in_args, void *result)
1633 {
1634 	px_t *px_p = DIP_TO_STATE(dip);
1635 	px_pec_t *pec_p = px_p->px_pec_p;
1636 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle;
1637 
1638 	size_t repcount = in_args->repcount;
1639 	uintptr_t dev_addr = in_args->dev_addr;
1640 	uintptr_t host_addr = in_args->host_addr;
1641 
1642 	r_addr_t ra;
1643 	uint32_t read_status;
1644 	uint64_t hvio_peek_status;
1645 	uint64_t peekval;
1646 	int err = DDI_SUCCESS;
1647 
1648 	/*
1649 	 * Used only to notify error handling peek/poke is occuring
1650 	 * One scenario is when a fabric err as a result of peek/poke.
1651 	 * However there is no way to guarantee that the fabric error
1652 	 * handler will occur in the window where otd is set.
1653 	 */
1654 	on_trap_data_t otd;
1655 
1656 	result = (void *)in_args->host_addr;
1657 
1658 	ra = (r_addr_t)va_to_pa((void *)dev_addr);
1659 	for (; repcount; repcount--) {
1660 
1661 		/* Lock pokefault mutex so read doesn't mask a poke fault. */
1662 		if (hp) {
1663 			i_ndi_busop_access_enter(hp->ahi_common.ah_dip,
1664 			    (ddi_acc_handle_t)hp);
1665 			pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED;
1666 		} else {
1667 			mutex_enter(&pec_p->pec_pokefault_mutex);
1668 			pec_p->pec_safeacc_type = DDI_FM_ERR_PEEK;
1669 		}
1670 		pec_p->pec_ontrap_data = &otd;
1671 
1672 		hvio_peek_status = hvio_peek(px_p->px_dev_hdl, ra,
1673 		    in_args->size, &read_status, &peekval);
1674 
1675 		if ((hvio_peek_status != H_EOK) || (read_status != H_EOK)) {
1676 			err = DDI_FAILURE;
1677 
1678 			/*
1679 			 * For CAUTIOUS and PEEK access, notify FMA to
1680 			 * cleanup.  Imitate a cpu/mem trap call like in sun4u.
1681 			 */
1682 			px_lib_log_safeacc_err(px_p, (ddi_acc_handle_t)hp,
1683 			    (hp ? DDI_FM_ERR_EXPECTED :
1684 			    DDI_FM_ERR_PEEK));
1685 
1686 			/* Stuff FFs in host addr if peek. */
1687 			if (hp == NULL) {
1688 				int i;
1689 				uint8_t *ff_addr = (uint8_t *)host_addr;
1690 				for (i = 0; i < in_args->size; i++)
1691 					*ff_addr++ = 0xff;
1692 			}
1693 #ifdef  DEBUG
1694 			px_peekfault_cnt++;
1695 #endif
1696 			pec_p->pec_ontrap_data = NULL;
1697 			pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1698 			if (hp) {
1699 				i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1700 				    (ddi_acc_handle_t)hp);
1701 			} else {
1702 				mutex_exit(&pec_p->pec_pokefault_mutex);
1703 			}
1704 			goto done;
1705 
1706 		}
1707 		pec_p->pec_ontrap_data = NULL;
1708 		pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1709 		if (hp) {
1710 			i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1711 			    (ddi_acc_handle_t)hp);
1712 		} else {
1713 			mutex_exit(&pec_p->pec_pokefault_mutex);
1714 		}
1715 
1716 		switch (in_args->size) {
1717 		case sizeof (uint8_t):
1718 			*(uint8_t *)host_addr = (uint8_t)peekval;
1719 			break;
1720 		case sizeof (uint16_t):
1721 			*(uint16_t *)host_addr = (uint16_t)peekval;
1722 			break;
1723 		case sizeof (uint32_t):
1724 			*(uint32_t *)host_addr = (uint32_t)peekval;
1725 			break;
1726 		case sizeof (uint64_t):
1727 			*(uint64_t *)host_addr = (uint64_t)peekval;
1728 			break;
1729 		default:
1730 			DBG(DBG_MAP, px_p->px_dip,
1731 			    "peek: invalid size %d passed\n",
1732 			    in_args->size);
1733 			err = DDI_FAILURE;
1734 			goto done;
1735 		}
1736 
1737 		host_addr += in_args->size;
1738 
1739 		if (in_args->flags == DDI_DEV_AUTOINCR) {
1740 			dev_addr += in_args->size;
1741 			ra = (r_addr_t)va_to_pa((void *)dev_addr);
1742 		}
1743 	}
1744 done:
1745 	return (err);
1746 }
1747 
1748 
1749 /* add interrupt vector */
1750 int
1751 px_err_add_intr(px_fault_t *px_fault_p)
1752 {
1753 	px_t	*px_p = DIP_TO_STATE(px_fault_p->px_fh_dip);
1754 
1755 	DBG(DBG_LIB_INT, px_p->px_dip,
1756 	    "px_err_add_intr: calling add_ivintr");
1757 
1758 	VERIFY(add_ivintr(px_fault_p->px_fh_sysino, PX_ERR_PIL,
1759 	    (intrfunc)px_fault_p->px_err_func, (caddr_t)px_fault_p, NULL,
1760 	    (caddr_t)&px_fault_p->px_intr_payload[0]) == 0);
1761 
1762 	DBG(DBG_LIB_INT, px_p->px_dip,
1763 	    "px_err_add_intr: ib_intr_enable ");
1764 
1765 	px_ib_intr_enable(px_p, intr_dist_cpuid(), px_fault_p->px_intr_ino);
1766 
1767 	return (DDI_SUCCESS);
1768 }
1769 
1770 /* remove interrupt vector */
1771 void
1772 px_err_rem_intr(px_fault_t *px_fault_p)
1773 {
1774 	px_t	*px_p = DIP_TO_STATE(px_fault_p->px_fh_dip);
1775 
1776 	px_ib_intr_disable(px_p->px_ib_p, px_fault_p->px_intr_ino,
1777 	    IB_INTR_WAIT);
1778 
1779 	VERIFY(rem_ivintr(px_fault_p->px_fh_sysino, PX_ERR_PIL) == 0);
1780 }
1781 
1782 int
1783 px_cb_add_intr(px_fault_t *f_p)
1784 {
1785 	return (px_err_add_intr(f_p));
1786 }
1787 
1788 void
1789 px_cb_rem_intr(px_fault_t *f_p)
1790 {
1791 	px_err_rem_intr(f_p);
1792 }
1793 
1794 void
1795 px_cb_intr_redist(px_t *px_p)
1796 {
1797 	px_ib_intr_dist_en(px_p->px_dip, intr_dist_cpuid(),
1798 	    px_p->px_inos[PX_INTR_XBC], B_FALSE);
1799 }
1800 
1801 #ifdef FMA
1802 void
1803 px_fill_rc_status(px_fault_t *px_fault_p, pciex_rc_error_regs_t *rc_status)
1804 {
1805 	px_pec_err_t	*err_pkt;
1806 
1807 	err_pkt = (px_pec_err_t *)px_fault_p->px_intr_payload;
1808 
1809 	/* initialise all the structure members */
1810 	rc_status->status_valid = 0;
1811 
1812 	if (err_pkt->pec_descr.P) {
1813 		/* PCI Status Register */
1814 		rc_status->pci_err_status = err_pkt->pci_err_status;
1815 		rc_status->status_valid |= PCI_ERR_STATUS_VALID;
1816 	}
1817 
1818 	if (err_pkt->pec_descr.E) {
1819 		/* PCIe Status Register */
1820 		rc_status->pcie_err_status = err_pkt->pcie_err_status;
1821 		rc_status->status_valid |= PCIE_ERR_STATUS_VALID;
1822 	}
1823 
1824 	if (err_pkt->pec_descr.U) {
1825 		rc_status->ue_status = err_pkt->ue_reg_status;
1826 		rc_status->status_valid |= UE_STATUS_VALID;
1827 	}
1828 
1829 	if (err_pkt->pec_descr.H) {
1830 		rc_status->ue_hdr1 = err_pkt->hdr[0];
1831 		rc_status->status_valid |= UE_HDR1_VALID;
1832 	}
1833 
1834 	if (err_pkt->pec_descr.I) {
1835 		rc_status->ue_hdr2 = err_pkt->hdr[1];
1836 		rc_status->status_valid |= UE_HDR2_VALID;
1837 	}
1838 
1839 	/* ue_fst_err_ptr - not available for sun4v?? */
1840 
1841 
1842 	if (err_pkt->pec_descr.S) {
1843 		rc_status->source_id = err_pkt->err_src_reg;
1844 		rc_status->status_valid |= SOURCE_ID_VALID;
1845 	}
1846 
1847 	if (err_pkt->pec_descr.R) {
1848 		rc_status->root_err_status = err_pkt->root_err_status;
1849 		rc_status->status_valid |= CE_STATUS_VALID;
1850 	}
1851 }
1852 #endif
1853 
1854 /*ARGSUSED*/
1855 int
1856 px_lib_pmctl(int cmd, px_t *px_p)
1857 {
1858 	return (DDI_FAILURE);
1859 }
1860 
1861 /*ARGSUSED*/
1862 uint_t
1863 px_pmeq_intr(caddr_t arg)
1864 {
1865 	return (DDI_INTR_CLAIMED);
1866 }
1867 
1868 /*
1869  * Unprotected raw reads/writes of fabric device's config space.
1870  * Only used for temporary PCI-E Fabric Error Handling.
1871  */
1872 uint32_t
1873 px_fab_get(px_t *px_p, pcie_req_id_t bdf, uint16_t offset) {
1874 	uint32_t 	data = 0;
1875 
1876 	(void) hvio_config_get(px_p->px_dev_hdl,
1877 	    (bdf << PX_RA_BDF_SHIFT), offset, 4,
1878 	    (pci_cfg_data_t *)&data);
1879 
1880 	return (data);
1881 }
1882 
1883 void
1884 px_fab_set(px_t *px_p, pcie_req_id_t bdf, uint16_t offset,
1885     uint32_t val) {
1886 	pci_cfg_data_t	wdata = { 0 };
1887 
1888 	wdata.qw = (uint32_t)val;
1889 	(void) hvio_config_put(px_p->px_dev_hdl,
1890 	    (bdf << PX_RA_BDF_SHIFT), offset, 4, wdata);
1891 }
1892 
1893 /*ARGSUSED*/
1894 int
1895 px_lib_hotplug_init(dev_info_t *dip, void *arg)
1896 {
1897 	return (DDI_ENOTSUP);
1898 }
1899 
1900 /*ARGSUSED*/
1901 void
1902 px_lib_hotplug_uninit(dev_info_t *dip)
1903 {
1904 }
1905 
1906 /* Dummy cpr add callback */
1907 /*ARGSUSED*/
1908 void
1909 px_cpr_add_callb(px_t *px_p)
1910 {
1911 }
1912 
1913 /* Dummy cpr rem callback */
1914 /*ARGSUSED*/
1915 void
1916 px_cpr_rem_callb(px_t *px_p)
1917 {
1918 }
1919 
1920 /*ARGSUSED*/
1921 boolean_t
1922 px_lib_is_in_drain_state(px_t *px_p)
1923 {
1924 	return (B_FALSE);
1925 }
1926