xref: /illumos-gate/usr/src/uts/sun4v/io/px/px_lib4v.c (revision 29e362da24db33a6650152985ef5626b4e6a810f)
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 	while ((ttes_mapped = pfn_p - pfns) < pages) {
326 		uintptr_t	ra = va_to_pa(pfn_p);
327 		pages_t		ttes2map;
328 		uint64_t	ret;
329 
330 		ttes2map = (MMU_PAGE_SIZE - P2PHASE(ra, MMU_PAGE_SIZE)) >> 3;
331 		ra = MMU_PTOB(MMU_BTOP(ra));
332 
333 		for (ttes2map = MIN(ttes2map, pages - ttes_mapped); ttes2map;
334 		    ttes2map -= ttes_mapped, pfn_p += ttes_mapped) {
335 
336 			ttes_mapped = 0;
337 			if ((ret = hvio_iommu_map(DIP_TO_HANDLE(dip),
338 			    PCI_TSBID(tsb_num, tsb_index + (pfn_p - pfns)),
339 			    ttes2map, attr, (io_page_list_t *)(ra |
340 			    ((uintptr_t)pfn_p & MMU_PAGE_OFFSET)),
341 			    &ttes_mapped)) != H_EOK) {
342 				DBG(DBG_LIB_DMA, dip, "hvio_iommu_map failed "
343 				    "ret 0x%lx\n", ret);
344 
345 				ttes_mapped = pfn_p - pfns;
346 				err = DDI_FAILURE;
347 				goto cleanup;
348 			}
349 
350 			DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: tsb_num 0x%x "
351 			    "tsb_index 0x%lx ttes_to_map 0x%lx attr 0x%x "
352 			    "ra 0x%p ttes_mapped 0x%x\n", tsb_num,
353 			    tsb_index + (pfn_p - pfns), ttes2map, attr,
354 			    ra | ((uintptr_t)pfn_p & MMU_PAGE_OFFSET),
355 			    ttes_mapped);
356 		}
357 	}
358 
359 cleanup:
360 	if ((err == DDI_FAILURE) && ttes_mapped)
361 		(void) px_lib_iommu_demap(dip, tsbid, ttes_mapped);
362 
363 	kmem_free(pfns, pages * sizeof (io_page_list_t));
364 	return (err);
365 }
366 
367 /*ARGSUSED*/
368 int
369 px_lib_iommu_demap(dev_info_t *dip, tsbid_t tsbid, pages_t pages)
370 {
371 	tsbnum_t	tsb_num = PCI_TSBID_TO_TSBNUM(tsbid);
372 	tsbindex_t	tsb_index = PCI_TSBID_TO_TSBINDEX(tsbid);
373 	pages_t		ttes2demap, ttes_demapped = 0;
374 	uint64_t	ret;
375 
376 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_demap: dip 0x%p tsbid 0x%llx "
377 	    "pages 0x%x\n", dip, tsbid, pages);
378 
379 	for (ttes2demap = pages; ttes2demap;
380 	    ttes2demap -= ttes_demapped, tsb_index += ttes_demapped) {
381 		if ((ret = hvio_iommu_demap(DIP_TO_HANDLE(dip),
382 		    PCI_TSBID(tsb_num, tsb_index), ttes2demap,
383 		    &ttes_demapped)) != H_EOK) {
384 			DBG(DBG_LIB_DMA, dip, "hvio_iommu_demap failed, "
385 			    "ret 0x%lx\n", ret);
386 
387 			return (DDI_FAILURE);
388 		}
389 
390 		DBG(DBG_LIB_DMA, dip, "px_lib_iommu_demap: tsb_num 0x%x "
391 		    "tsb_index 0x%lx ttes_to_demap 0x%lx ttes_demapped 0x%x\n",
392 		    tsb_num, tsb_index, ttes2demap, ttes_demapped);
393 	}
394 
395 	return (DDI_SUCCESS);
396 }
397 
398 /*ARGSUSED*/
399 int
400 px_lib_iommu_getmap(dev_info_t *dip, tsbid_t tsbid, io_attributes_t *attr_p,
401     r_addr_t *r_addr_p)
402 {
403 	uint64_t	ret;
404 
405 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getmap: dip 0x%p tsbid 0x%llx\n",
406 	    dip, tsbid);
407 
408 	if ((ret = hvio_iommu_getmap(DIP_TO_HANDLE(dip), tsbid,
409 	    attr_p, r_addr_p)) != H_EOK) {
410 		DBG(DBG_LIB_DMA, dip,
411 		    "hvio_iommu_getmap failed, ret 0x%lx\n", ret);
412 
413 		return ((ret == H_ENOMAP) ? DDI_DMA_NOMAPPING:DDI_FAILURE);
414 	}
415 
416 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getmap: attr 0x%x r_addr 0x%llx\n",
417 	    *attr_p, *r_addr_p);
418 
419 	return (DDI_SUCCESS);
420 }
421 
422 
423 /*
424  * Checks dma attributes against system bypass ranges
425  * A sun4v device must be capable of generating the entire 64-bit
426  * address in order to perform bypass DMA.
427  */
428 /*ARGSUSED*/
429 int
430 px_lib_dma_bypass_rngchk(ddi_dma_attr_t *attr_p, uint64_t *lo_p, uint64_t *hi_p)
431 {
432 	if ((attr_p->dma_attr_addr_lo != 0ull) ||
433 	    (attr_p->dma_attr_addr_hi != UINT64_MAX)) {
434 
435 		return (DDI_DMA_BADATTR);
436 	}
437 
438 	*lo_p = 0ull;
439 	*hi_p = UINT64_MAX;
440 
441 	return (DDI_SUCCESS);
442 }
443 
444 
445 /*ARGSUSED*/
446 int
447 px_lib_iommu_getbypass(dev_info_t *dip, r_addr_t ra, io_attributes_t attr,
448     io_addr_t *io_addr_p)
449 {
450 	uint64_t	ret;
451 
452 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: dip 0x%p ra 0x%llx "
453 	    "attr 0x%x\n", dip, ra, attr);
454 
455 	if ((ret = hvio_iommu_getbypass(DIP_TO_HANDLE(dip), ra,
456 	    attr, io_addr_p)) != H_EOK) {
457 		DBG(DBG_LIB_DMA, dip,
458 		    "hvio_iommu_getbypass failed, ret 0x%lx\n", ret);
459 		return (ret == H_ENOTSUPPORTED ? DDI_ENOTSUP : DDI_FAILURE);
460 	}
461 
462 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: io_addr 0x%llx\n",
463 	    *io_addr_p);
464 
465 	return (DDI_SUCCESS);
466 }
467 
468 /*ARGSUSED*/
469 int
470 px_lib_dma_sync(dev_info_t *dip, dev_info_t *rdip, ddi_dma_handle_t handle,
471 	off_t off, size_t len, uint_t cache_flags)
472 {
473 	ddi_dma_impl_t *mp = (ddi_dma_impl_t *)handle;
474 	uint64_t sync_dir;
475 	px_dvma_addr_t dvma_addr, pg_off;
476 	size_t num_sync;
477 	uint64_t status = H_EOK;
478 
479 	DBG(DBG_LIB_DMA, dip, "px_lib_dma_sync: dip 0x%p rdip 0x%p "
480 	    "handle 0x%llx off 0x%x len 0x%x flags 0x%x\n",
481 	    dip, rdip, handle, off, len, cache_flags);
482 
483 	if (!(mp->dmai_flags & PX_DMAI_FLAGS_INUSE)) {
484 		cmn_err(CE_WARN, "%s%d: Unbound dma handle %p.",
485 		    ddi_driver_name(rdip), ddi_get_instance(rdip), (void *)mp);
486 		return (DDI_FAILURE);
487 	}
488 
489 	if (mp->dmai_flags & PX_DMAI_FLAGS_NOSYNC)
490 		return (DDI_SUCCESS);
491 
492 	if (!len)
493 		len = mp->dmai_size;
494 
495 	pg_off = mp->dmai_offset;			/* start min */
496 	dvma_addr = MAX(off, pg_off);			/* lo */
497 	pg_off += mp->dmai_size;			/* end max */
498 	pg_off = MIN(off + len, pg_off);		/* hi */
499 	if (dvma_addr >= pg_off) {			/* lo >= hi ? */
500 		cmn_err(CE_WARN, "%s%d: %lx + %lx out of window [%lx,%lx]",
501 		    ddi_driver_name(rdip), ddi_get_instance(rdip),
502 		    off, len, mp->dmai_offset,
503 		    mp->dmai_offset + mp->dmai_size);
504 		return (DDI_FAILURE);
505 	}
506 
507 	len = pg_off - dvma_addr;			/* sz = hi - lo */
508 	dvma_addr += mp->dmai_mapping;			/* start addr */
509 
510 	if (mp->dmai_rflags & DDI_DMA_READ)
511 		sync_dir = HVIO_DMA_SYNC_DIR_FROM_DEV;
512 	else
513 		sync_dir = HVIO_DMA_SYNC_DIR_TO_DEV;
514 
515 	for (; ((len > 0) && (status == H_EOK)); len -= num_sync) {
516 		status = hvio_dma_sync(DIP_TO_HANDLE(dip), dvma_addr, len,
517 		    sync_dir, &num_sync);
518 		dvma_addr += num_sync;
519 	}
520 
521 	return ((status == H_EOK) ? DDI_SUCCESS : DDI_FAILURE);
522 }
523 
524 
525 /*
526  * MSIQ Functions:
527  */
528 
529 /*ARGSUSED*/
530 int
531 px_lib_msiq_init(dev_info_t *dip)
532 {
533 	px_t		*px_p = DIP_TO_STATE(dip);
534 	px_msiq_state_t	*msiq_state_p = &px_p->px_ib_p->ib_msiq_state;
535 	uint64_t	*msiq_addr, ra;
536 	size_t		msiq_size;
537 	uint_t		rec_cnt;
538 	int		i, err = DDI_SUCCESS;
539 	uint64_t	ret;
540 
541 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_init: dip 0x%p\n", dip);
542 
543 	msiq_addr = (uint64_t *)(((uint64_t)msiq_state_p->msiq_buf_p +
544 	    (MMU_PAGE_SIZE - 1)) >> MMU_PAGE_SHIFT << MMU_PAGE_SHIFT);
545 
546 	msiq_size = msiq_state_p->msiq_rec_cnt * sizeof (msiq_rec_t);
547 
548 	for (i = 0; i < msiq_state_p->msiq_cnt; i++) {
549 		ra = (r_addr_t)va_to_pa((caddr_t)msiq_addr + (i * msiq_size));
550 
551 		if ((ret = hvio_msiq_conf(DIP_TO_HANDLE(dip),
552 		    (i + msiq_state_p->msiq_1st_msiq_id),
553 		    ra, msiq_state_p->msiq_rec_cnt)) != H_EOK) {
554 			DBG(DBG_LIB_MSIQ, dip,
555 			    "hvio_msiq_conf failed, ret 0x%lx\n", ret);
556 			err = DDI_FAILURE;
557 			break;
558 		}
559 
560 		if ((err = px_lib_msiq_info(dip,
561 		    (i + msiq_state_p->msiq_1st_msiq_id),
562 		    &ra, &rec_cnt)) != DDI_SUCCESS) {
563 			DBG(DBG_LIB_MSIQ, dip,
564 			    "px_lib_msiq_info failed, ret 0x%x\n", err);
565 			err = DDI_FAILURE;
566 			break;
567 		}
568 
569 		DBG(DBG_LIB_MSIQ, dip,
570 		    "px_lib_msiq_init: ra 0x%p rec_cnt 0x%x\n", ra, rec_cnt);
571 	}
572 
573 	return (err);
574 }
575 
576 /*ARGSUSED*/
577 int
578 px_lib_msiq_fini(dev_info_t *dip)
579 {
580 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_fini: dip 0x%p\n", dip);
581 
582 	return (DDI_SUCCESS);
583 }
584 
585 /*ARGSUSED*/
586 int
587 px_lib_msiq_info(dev_info_t *dip, msiqid_t msiq_id, r_addr_t *ra_p,
588     uint_t *msiq_rec_cnt_p)
589 {
590 	uint64_t	ret;
591 
592 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: dip 0x%p msiq_id 0x%x\n",
593 	    dip, msiq_id);
594 
595 	if ((ret = hvio_msiq_info(DIP_TO_HANDLE(dip),
596 	    msiq_id, ra_p, msiq_rec_cnt_p)) != H_EOK) {
597 		DBG(DBG_LIB_MSIQ, dip,
598 		    "hvio_msiq_info failed, ret 0x%lx\n", ret);
599 		return (DDI_FAILURE);
600 	}
601 
602 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: ra_p 0x%p msiq_rec_cnt 0x%x\n",
603 	    ra_p, *msiq_rec_cnt_p);
604 
605 	return (DDI_SUCCESS);
606 }
607 
608 /*ARGSUSED*/
609 int
610 px_lib_msiq_getvalid(dev_info_t *dip, msiqid_t msiq_id,
611     pci_msiq_valid_state_t *msiq_valid_state)
612 {
613 	uint64_t	ret;
614 
615 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: dip 0x%p msiq_id 0x%x\n",
616 	    dip, msiq_id);
617 
618 	if ((ret = hvio_msiq_getvalid(DIP_TO_HANDLE(dip),
619 	    msiq_id, msiq_valid_state)) != H_EOK) {
620 		DBG(DBG_LIB_MSIQ, dip,
621 		    "hvio_msiq_getvalid failed, ret 0x%lx\n", ret);
622 		return (DDI_FAILURE);
623 	}
624 
625 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: msiq_valid_state 0x%x\n",
626 	    *msiq_valid_state);
627 
628 	return (DDI_SUCCESS);
629 }
630 
631 /*ARGSUSED*/
632 int
633 px_lib_msiq_setvalid(dev_info_t *dip, msiqid_t msiq_id,
634     pci_msiq_valid_state_t msiq_valid_state)
635 {
636 	uint64_t	ret;
637 
638 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_setvalid: dip 0x%p msiq_id 0x%x "
639 	    "msiq_valid_state 0x%x\n", dip, msiq_id, msiq_valid_state);
640 
641 	if ((ret = hvio_msiq_setvalid(DIP_TO_HANDLE(dip),
642 	    msiq_id, msiq_valid_state)) != H_EOK) {
643 		DBG(DBG_LIB_MSIQ, dip,
644 		    "hvio_msiq_setvalid failed, ret 0x%lx\n", ret);
645 		return (DDI_FAILURE);
646 	}
647 
648 	return (DDI_SUCCESS);
649 }
650 
651 /*ARGSUSED*/
652 int
653 px_lib_msiq_getstate(dev_info_t *dip, msiqid_t msiq_id,
654     pci_msiq_state_t *msiq_state)
655 {
656 	uint64_t	ret;
657 
658 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: dip 0x%p msiq_id 0x%x\n",
659 	    dip, msiq_id);
660 
661 	if ((ret = hvio_msiq_getstate(DIP_TO_HANDLE(dip),
662 	    msiq_id, msiq_state)) != H_EOK) {
663 		DBG(DBG_LIB_MSIQ, dip,
664 		    "hvio_msiq_getstate failed, ret 0x%lx\n", ret);
665 		return (DDI_FAILURE);
666 	}
667 
668 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: msiq_state 0x%x\n",
669 	    *msiq_state);
670 
671 	return (DDI_SUCCESS);
672 }
673 
674 /*ARGSUSED*/
675 int
676 px_lib_msiq_setstate(dev_info_t *dip, msiqid_t msiq_id,
677     pci_msiq_state_t msiq_state)
678 {
679 	uint64_t	ret;
680 
681 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_setstate: dip 0x%p msiq_id 0x%x "
682 	    "msiq_state 0x%x\n", dip, msiq_id, msiq_state);
683 
684 	if ((ret = hvio_msiq_setstate(DIP_TO_HANDLE(dip),
685 	    msiq_id, msiq_state)) != H_EOK) {
686 		DBG(DBG_LIB_MSIQ, dip,
687 		    "hvio_msiq_setstate failed, ret 0x%lx\n", ret);
688 		return (DDI_FAILURE);
689 	}
690 
691 	return (DDI_SUCCESS);
692 }
693 
694 /*ARGSUSED*/
695 int
696 px_lib_msiq_gethead(dev_info_t *dip, msiqid_t msiq_id,
697     msiqhead_t *msiq_head_p)
698 {
699 	uint64_t	ret;
700 
701 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gethead: dip 0x%p msiq_id 0x%x\n",
702 	    dip, msiq_id);
703 
704 	if ((ret = hvio_msiq_gethead(DIP_TO_HANDLE(dip),
705 	    msiq_id, msiq_head_p)) != H_EOK) {
706 		DBG(DBG_LIB_MSIQ, dip,
707 		    "hvio_msiq_gethead failed, ret 0x%lx\n", ret);
708 		return (DDI_FAILURE);
709 	}
710 
711 	*msiq_head_p =  (*msiq_head_p / sizeof (msiq_rec_t));
712 
713 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_gethead: msiq_head 0x%x\n",
714 	    *msiq_head_p);
715 
716 	return (DDI_SUCCESS);
717 }
718 
719 /*ARGSUSED*/
720 int
721 px_lib_msiq_sethead(dev_info_t *dip, msiqid_t msiq_id,
722     msiqhead_t msiq_head)
723 {
724 	uint64_t	ret;
725 
726 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_sethead: dip 0x%p msiq_id 0x%x "
727 	    "msiq_head 0x%x\n", dip, msiq_id, msiq_head);
728 
729 	if ((ret = hvio_msiq_sethead(DIP_TO_HANDLE(dip),
730 	    msiq_id, msiq_head * sizeof (msiq_rec_t))) != H_EOK) {
731 		DBG(DBG_LIB_MSIQ, dip,
732 		    "hvio_msiq_sethead failed, ret 0x%lx\n", ret);
733 		return (DDI_FAILURE);
734 	}
735 
736 	return (DDI_SUCCESS);
737 }
738 
739 /*ARGSUSED*/
740 int
741 px_lib_msiq_gettail(dev_info_t *dip, msiqid_t msiq_id,
742     msiqtail_t *msiq_tail_p)
743 {
744 	uint64_t	ret;
745 
746 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: dip 0x%p msiq_id 0x%x\n",
747 	    dip, msiq_id);
748 
749 	if ((ret = hvio_msiq_gettail(DIP_TO_HANDLE(dip),
750 	    msiq_id, msiq_tail_p)) != H_EOK) {
751 		DBG(DBG_LIB_MSIQ, dip,
752 		    "hvio_msiq_gettail failed, ret 0x%lx\n", ret);
753 		return (DDI_FAILURE);
754 	}
755 
756 	*msiq_tail_p =  (*msiq_tail_p / sizeof (msiq_rec_t));
757 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: msiq_tail 0x%x\n",
758 	    *msiq_tail_p);
759 
760 	return (DDI_SUCCESS);
761 }
762 
763 /*ARGSUSED*/
764 void
765 px_lib_get_msiq_rec(dev_info_t *dip, px_msiq_t *msiq_p, msiq_rec_t *msiq_rec_p)
766 {
767 	msiq_rec_t	*curr_msiq_rec_p = (msiq_rec_t *)msiq_p->msiq_curr;
768 
769 	DBG(DBG_LIB_MSIQ, dip, "px_lib_get_msiq_rec: dip 0x%p\n", dip);
770 
771 	if (!curr_msiq_rec_p->msiq_rec_type)
772 		return;
773 
774 	*msiq_rec_p = *curr_msiq_rec_p;
775 
776 	/* Zero out msiq_rec_type field */
777 	curr_msiq_rec_p->msiq_rec_type  = 0;
778 }
779 
780 /*
781  * MSI Functions:
782  */
783 
784 /*ARGSUSED*/
785 int
786 px_lib_msi_init(dev_info_t *dip)
787 {
788 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_init: dip 0x%p\n", dip);
789 
790 	/* Noop */
791 	return (DDI_SUCCESS);
792 }
793 
794 /*ARGSUSED*/
795 int
796 px_lib_msi_getmsiq(dev_info_t *dip, msinum_t msi_num,
797     msiqid_t *msiq_id)
798 {
799 	uint64_t	ret;
800 
801 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: dip 0x%p msi_num 0x%x\n",
802 	    dip, msi_num);
803 
804 	if ((ret = hvio_msi_getmsiq(DIP_TO_HANDLE(dip),
805 	    msi_num, msiq_id)) != H_EOK) {
806 		DBG(DBG_LIB_MSI, dip,
807 		    "hvio_msi_getmsiq failed, ret 0x%lx\n", ret);
808 		return (DDI_FAILURE);
809 	}
810 
811 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: msiq_id 0x%x\n",
812 	    *msiq_id);
813 
814 	return (DDI_SUCCESS);
815 }
816 
817 /*ARGSUSED*/
818 int
819 px_lib_msi_setmsiq(dev_info_t *dip, msinum_t msi_num,
820     msiqid_t msiq_id, msi_type_t msitype)
821 {
822 	uint64_t	ret;
823 
824 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setmsiq: dip 0x%p msi_num 0x%x "
825 	    "msq_id 0x%x\n", dip, msi_num, msiq_id);
826 
827 	if ((ret = hvio_msi_setmsiq(DIP_TO_HANDLE(dip),
828 	    msi_num, msiq_id, msitype)) != H_EOK) {
829 		DBG(DBG_LIB_MSI, dip,
830 		    "hvio_msi_setmsiq failed, ret 0x%lx\n", ret);
831 		return (DDI_FAILURE);
832 	}
833 
834 	return (DDI_SUCCESS);
835 }
836 
837 /*ARGSUSED*/
838 int
839 px_lib_msi_getvalid(dev_info_t *dip, msinum_t msi_num,
840     pci_msi_valid_state_t *msi_valid_state)
841 {
842 	uint64_t	ret;
843 
844 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: dip 0x%p msi_num 0x%x\n",
845 	    dip, msi_num);
846 
847 	if ((ret = hvio_msi_getvalid(DIP_TO_HANDLE(dip),
848 	    msi_num, msi_valid_state)) != H_EOK) {
849 		DBG(DBG_LIB_MSI, dip,
850 		    "hvio_msi_getvalid failed, ret 0x%lx\n", ret);
851 		return (DDI_FAILURE);
852 	}
853 
854 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: msiq_id 0x%x\n",
855 	    *msi_valid_state);
856 
857 	return (DDI_SUCCESS);
858 }
859 
860 /*ARGSUSED*/
861 int
862 px_lib_msi_setvalid(dev_info_t *dip, msinum_t msi_num,
863     pci_msi_valid_state_t msi_valid_state)
864 {
865 	uint64_t	ret;
866 
867 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setvalid: dip 0x%p msi_num 0x%x "
868 	    "msi_valid_state 0x%x\n", dip, msi_num, msi_valid_state);
869 
870 	if ((ret = hvio_msi_setvalid(DIP_TO_HANDLE(dip),
871 	    msi_num, msi_valid_state)) != H_EOK) {
872 		DBG(DBG_LIB_MSI, dip,
873 		    "hvio_msi_setvalid failed, ret 0x%lx\n", ret);
874 		return (DDI_FAILURE);
875 	}
876 
877 	return (DDI_SUCCESS);
878 }
879 
880 /*ARGSUSED*/
881 int
882 px_lib_msi_getstate(dev_info_t *dip, msinum_t msi_num,
883     pci_msi_state_t *msi_state)
884 {
885 	uint64_t	ret;
886 
887 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: dip 0x%p msi_num 0x%x\n",
888 	    dip, msi_num);
889 
890 	if ((ret = hvio_msi_getstate(DIP_TO_HANDLE(dip),
891 	    msi_num, msi_state)) != H_EOK) {
892 		DBG(DBG_LIB_MSI, dip,
893 		    "hvio_msi_getstate failed, ret 0x%lx\n", ret);
894 		return (DDI_FAILURE);
895 	}
896 
897 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: msi_state 0x%x\n",
898 	    *msi_state);
899 
900 	return (DDI_SUCCESS);
901 }
902 
903 /*ARGSUSED*/
904 int
905 px_lib_msi_setstate(dev_info_t *dip, msinum_t msi_num,
906     pci_msi_state_t msi_state)
907 {
908 	uint64_t	ret;
909 
910 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setstate: dip 0x%p msi_num 0x%x "
911 	    "msi_state 0x%x\n", dip, msi_num, msi_state);
912 
913 	if ((ret = hvio_msi_setstate(DIP_TO_HANDLE(dip),
914 	    msi_num, msi_state)) != H_EOK) {
915 		DBG(DBG_LIB_MSI, dip,
916 		    "hvio_msi_setstate failed, ret 0x%lx\n", ret);
917 		return (DDI_FAILURE);
918 	}
919 
920 	return (DDI_SUCCESS);
921 }
922 
923 /*
924  * MSG Functions:
925  */
926 
927 /*ARGSUSED*/
928 int
929 px_lib_msg_getmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
930     msiqid_t *msiq_id)
931 {
932 	uint64_t	ret;
933 
934 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_getmsiq: dip 0x%p msg_type 0x%x\n",
935 	    dip, msg_type);
936 
937 	if ((ret = hvio_msg_getmsiq(DIP_TO_HANDLE(dip),
938 	    msg_type, msiq_id)) != H_EOK) {
939 		DBG(DBG_LIB_MSG, dip,
940 		    "hvio_msg_getmsiq failed, ret 0x%lx\n", ret);
941 		return (DDI_FAILURE);
942 	}
943 
944 	DBG(DBG_LIB_MSI, dip, "px_lib_msg_getmsiq: msiq_id 0x%x\n",
945 	    *msiq_id);
946 
947 	return (DDI_SUCCESS);
948 }
949 
950 /*ARGSUSED*/
951 int
952 px_lib_msg_setmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
953     msiqid_t msiq_id)
954 {
955 	uint64_t	ret;
956 
957 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_setmsiq: dip 0x%p msg_type 0x%x "
958 	    "msq_id 0x%x\n", dip, msg_type, msiq_id);
959 
960 	if ((ret = hvio_msg_setmsiq(DIP_TO_HANDLE(dip),
961 	    msg_type, msiq_id)) != H_EOK) {
962 		DBG(DBG_LIB_MSG, dip,
963 		    "hvio_msg_setmsiq failed, ret 0x%lx\n", ret);
964 		return (DDI_FAILURE);
965 	}
966 
967 	return (DDI_SUCCESS);
968 }
969 
970 /*ARGSUSED*/
971 int
972 px_lib_msg_getvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
973     pcie_msg_valid_state_t *msg_valid_state)
974 {
975 	uint64_t	ret;
976 
977 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_getvalid: dip 0x%p msg_type 0x%x\n",
978 	    dip, msg_type);
979 
980 	if ((ret = hvio_msg_getvalid(DIP_TO_HANDLE(dip), msg_type,
981 	    msg_valid_state)) != H_EOK) {
982 		DBG(DBG_LIB_MSG, dip,
983 		    "hvio_msg_getvalid failed, ret 0x%lx\n", ret);
984 		return (DDI_FAILURE);
985 	}
986 
987 	DBG(DBG_LIB_MSI, dip, "px_lib_msg_getvalid: msg_valid_state 0x%x\n",
988 	    *msg_valid_state);
989 
990 	return (DDI_SUCCESS);
991 }
992 
993 /*ARGSUSED*/
994 int
995 px_lib_msg_setvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
996     pcie_msg_valid_state_t msg_valid_state)
997 {
998 	uint64_t	ret;
999 
1000 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_setvalid: dip 0x%p msg_type 0x%x "
1001 	    "msg_valid_state 0x%x\n", dip, msg_type, msg_valid_state);
1002 
1003 	if ((ret = hvio_msg_setvalid(DIP_TO_HANDLE(dip), msg_type,
1004 	    msg_valid_state)) != H_EOK) {
1005 		DBG(DBG_LIB_MSG, dip,
1006 		    "hvio_msg_setvalid failed, ret 0x%lx\n", ret);
1007 		return (DDI_FAILURE);
1008 	}
1009 
1010 	return (DDI_SUCCESS);
1011 }
1012 
1013 /*
1014  * Suspend/Resume Functions:
1015  * Currently unsupported by hypervisor and all functions are noops.
1016  */
1017 /*ARGSUSED*/
1018 int
1019 px_lib_suspend(dev_info_t *dip)
1020 {
1021 	DBG(DBG_ATTACH, dip, "px_lib_suspend: Not supported\n");
1022 
1023 	/* Not supported */
1024 	return (DDI_FAILURE);
1025 }
1026 
1027 /*ARGSUSED*/
1028 void
1029 px_lib_resume(dev_info_t *dip)
1030 {
1031 	DBG(DBG_ATTACH, dip, "px_lib_resume: Not supported\n");
1032 
1033 	/* Noop */
1034 }
1035 
1036 /*
1037  * Misc Functions:
1038  * Currently unsupported by hypervisor and all functions are noops.
1039  */
1040 /*ARGSUSED*/
1041 uint64_t
1042 px_lib_get_cb(dev_info_t *dip)
1043 {
1044 	return (DDI_SUCCESS);
1045 }
1046 
1047 /*ARGSUSED*/
1048 void
1049 px_lib_set_cb(dev_info_t *dip, uint64_t val)
1050 {
1051 	/* Noop */
1052 }
1053 
1054 /*ARGSUSED*/
1055 static int
1056 px_lib_config_get(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off,
1057     uint8_t size, pci_cfg_data_t *data_p)
1058 {
1059 	uint64_t	ret;
1060 
1061 	DBG(DBG_LIB_CFG, dip, "px_lib_config_get: dip 0x%p, bdf 0x%llx "
1062 	    "off 0x%x size 0x%x\n", dip, bdf, off, size);
1063 
1064 	if ((ret = hvio_config_get(DIP_TO_HANDLE(dip), bdf, off,
1065 	    size, data_p)) != H_EOK) {
1066 		DBG(DBG_LIB_CFG, dip,
1067 		    "hvio_config_get failed, ret 0x%lx\n", ret);
1068 		return (DDI_FAILURE);
1069 	}
1070 	DBG(DBG_LIB_CFG, dip, "px_config_get: data 0x%x\n", data_p->dw);
1071 
1072 	return (DDI_SUCCESS);
1073 }
1074 
1075 /*ARGSUSED*/
1076 static int
1077 px_lib_config_put(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off,
1078     uint8_t size, pci_cfg_data_t data)
1079 {
1080 	uint64_t	ret;
1081 
1082 	DBG(DBG_LIB_CFG, dip, "px_lib_config_put: dip 0x%p, bdf 0x%llx "
1083 	    "off 0x%x size 0x%x data 0x%llx\n", dip, bdf, off, size, data.qw);
1084 
1085 	if ((ret = hvio_config_put(DIP_TO_HANDLE(dip), bdf, off,
1086 	    size, data)) != H_EOK) {
1087 		DBG(DBG_LIB_CFG, dip,
1088 		    "hvio_config_put failed, ret 0x%lx\n", ret);
1089 		return (DDI_FAILURE);
1090 	}
1091 
1092 	return (DDI_SUCCESS);
1093 }
1094 
1095 static uint32_t
1096 px_pci_config_get(ddi_acc_impl_t *handle, uint32_t *addr, int size)
1097 {
1098 	px_config_acc_pvt_t	*px_pvt = (px_config_acc_pvt_t *)
1099 					handle->ahi_common.ah_bus_private;
1100 	uint32_t pci_dev_addr = px_pvt->raddr;
1101 	uint32_t vaddr = px_pvt->vaddr;
1102 	uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff;
1103 	uint32_t rdata = 0;
1104 
1105 	if (px_lib_config_get(px_pvt->dip, pci_dev_addr, off,
1106 				size, (pci_cfg_data_t *)&rdata) != DDI_SUCCESS)
1107 		/* XXX update error kstats */
1108 		return (0xffffffff);
1109 	return (rdata);
1110 }
1111 
1112 static void
1113 px_pci_config_put(ddi_acc_impl_t *handle, uint32_t *addr,
1114 		int size, pci_cfg_data_t wdata)
1115 {
1116 	px_config_acc_pvt_t	*px_pvt = (px_config_acc_pvt_t *)
1117 					handle->ahi_common.ah_bus_private;
1118 	uint32_t pci_dev_addr = px_pvt->raddr;
1119 	uint32_t vaddr = px_pvt->vaddr;
1120 	uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff;
1121 
1122 	if (px_lib_config_put(px_pvt->dip, pci_dev_addr, off,
1123 				size, wdata) != DDI_SUCCESS) {
1124 		/*EMPTY*/
1125 		/* XXX update error kstats */
1126 	}
1127 }
1128 
1129 static uint8_t
1130 px_pci_config_get8(ddi_acc_impl_t *handle, uint8_t *addr)
1131 {
1132 	return ((uint8_t)px_pci_config_get(handle, (uint32_t *)addr, 1));
1133 }
1134 
1135 static uint16_t
1136 px_pci_config_get16(ddi_acc_impl_t *handle, uint16_t *addr)
1137 {
1138 	return ((uint16_t)px_pci_config_get(handle, (uint32_t *)addr, 2));
1139 }
1140 
1141 static uint32_t
1142 px_pci_config_get32(ddi_acc_impl_t *handle, uint32_t *addr)
1143 {
1144 	return ((uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4));
1145 }
1146 
1147 static uint64_t
1148 px_pci_config_get64(ddi_acc_impl_t *handle, uint64_t *addr)
1149 {
1150 	uint32_t rdatah, rdatal;
1151 
1152 	rdatal = (uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4);
1153 	rdatah = (uint32_t)px_pci_config_get(handle,
1154 				(uint32_t *)((char *)addr+4), 4);
1155 	return (((uint64_t)rdatah << 32) | rdatal);
1156 }
1157 
1158 static void
1159 px_pci_config_put8(ddi_acc_impl_t *handle, uint8_t *addr, uint8_t data)
1160 {
1161 	pci_cfg_data_t wdata = { 0 };
1162 
1163 	wdata.qw = (uint8_t)data;
1164 	px_pci_config_put(handle, (uint32_t *)addr, 1, wdata);
1165 }
1166 
1167 static void
1168 px_pci_config_put16(ddi_acc_impl_t *handle, uint16_t *addr, uint16_t data)
1169 {
1170 	pci_cfg_data_t wdata = { 0 };
1171 
1172 	wdata.qw = (uint16_t)data;
1173 	px_pci_config_put(handle, (uint32_t *)addr, 2, wdata);
1174 }
1175 
1176 static void
1177 px_pci_config_put32(ddi_acc_impl_t *handle, uint32_t *addr, uint32_t data)
1178 {
1179 	pci_cfg_data_t wdata = { 0 };
1180 
1181 	wdata.qw = (uint32_t)data;
1182 	px_pci_config_put(handle, (uint32_t *)addr, 4, wdata);
1183 }
1184 
1185 static void
1186 px_pci_config_put64(ddi_acc_impl_t *handle, uint64_t *addr, uint64_t data)
1187 {
1188 	pci_cfg_data_t wdata = { 0 };
1189 
1190 	wdata.qw = (uint32_t)(data & 0xffffffff);
1191 	px_pci_config_put(handle, (uint32_t *)addr, 4, wdata);
1192 	wdata.qw = (uint32_t)((data >> 32) & 0xffffffff);
1193 	px_pci_config_put(handle, (uint32_t *)((char *)addr+4), 4, wdata);
1194 }
1195 
1196 static void
1197 px_pci_config_rep_get8(ddi_acc_impl_t *handle, uint8_t *host_addr,
1198 			uint8_t *dev_addr, size_t repcount, uint_t flags)
1199 {
1200 	if (flags == DDI_DEV_AUTOINCR)
1201 		for (; repcount; repcount--)
1202 			*host_addr++ = px_pci_config_get8(handle, dev_addr++);
1203 	else
1204 		for (; repcount; repcount--)
1205 			*host_addr++ = px_pci_config_get8(handle, dev_addr);
1206 }
1207 
1208 /*
1209  * Function to rep read 16 bit data off the PCI configuration space behind
1210  * the 21554's host interface.
1211  */
1212 static void
1213 px_pci_config_rep_get16(ddi_acc_impl_t *handle, uint16_t *host_addr,
1214 			uint16_t *dev_addr, size_t repcount, uint_t flags)
1215 {
1216 	if (flags == DDI_DEV_AUTOINCR)
1217 		for (; repcount; repcount--)
1218 			*host_addr++ = px_pci_config_get16(handle, dev_addr++);
1219 	else
1220 		for (; repcount; repcount--)
1221 			*host_addr++ = px_pci_config_get16(handle, dev_addr);
1222 }
1223 
1224 /*
1225  * Function to rep read 32 bit data off the PCI configuration space behind
1226  * the 21554's host interface.
1227  */
1228 static void
1229 px_pci_config_rep_get32(ddi_acc_impl_t *handle, uint32_t *host_addr,
1230 			uint32_t *dev_addr, size_t repcount, uint_t flags)
1231 {
1232 	if (flags == DDI_DEV_AUTOINCR)
1233 		for (; repcount; repcount--)
1234 			*host_addr++ = px_pci_config_get32(handle, dev_addr++);
1235 	else
1236 		for (; repcount; repcount--)
1237 			*host_addr++ = px_pci_config_get32(handle, dev_addr);
1238 }
1239 
1240 /*
1241  * Function to rep read 64 bit data off the PCI configuration space behind
1242  * the 21554's host interface.
1243  */
1244 static void
1245 px_pci_config_rep_get64(ddi_acc_impl_t *handle, uint64_t *host_addr,
1246 			uint64_t *dev_addr, size_t repcount, uint_t flags)
1247 {
1248 	if (flags == DDI_DEV_AUTOINCR)
1249 		for (; repcount; repcount--)
1250 			*host_addr++ = px_pci_config_get64(handle, dev_addr++);
1251 	else
1252 		for (; repcount; repcount--)
1253 			*host_addr++ = px_pci_config_get64(handle, dev_addr);
1254 }
1255 
1256 /*
1257  * Function to rep write 8 bit data into the PCI configuration space behind
1258  * the 21554's host interface.
1259  */
1260 static void
1261 px_pci_config_rep_put8(ddi_acc_impl_t *handle, uint8_t *host_addr,
1262 			uint8_t *dev_addr, size_t repcount, uint_t flags)
1263 {
1264 	if (flags == DDI_DEV_AUTOINCR)
1265 		for (; repcount; repcount--)
1266 			px_pci_config_put8(handle, dev_addr++, *host_addr++);
1267 	else
1268 		for (; repcount; repcount--)
1269 			px_pci_config_put8(handle, dev_addr, *host_addr++);
1270 }
1271 
1272 /*
1273  * Function to rep write 16 bit data into the PCI configuration space behind
1274  * the 21554's host interface.
1275  */
1276 static void
1277 px_pci_config_rep_put16(ddi_acc_impl_t *handle, uint16_t *host_addr,
1278 			uint16_t *dev_addr, size_t repcount, uint_t flags)
1279 {
1280 	if (flags == DDI_DEV_AUTOINCR)
1281 		for (; repcount; repcount--)
1282 			px_pci_config_put16(handle, dev_addr++, *host_addr++);
1283 	else
1284 		for (; repcount; repcount--)
1285 			px_pci_config_put16(handle, dev_addr, *host_addr++);
1286 }
1287 
1288 /*
1289  * Function to rep write 32 bit data into the PCI configuration space behind
1290  * the 21554's host interface.
1291  */
1292 static void
1293 px_pci_config_rep_put32(ddi_acc_impl_t *handle, uint32_t *host_addr,
1294 			uint32_t *dev_addr, size_t repcount, uint_t flags)
1295 {
1296 	if (flags == DDI_DEV_AUTOINCR)
1297 		for (; repcount; repcount--)
1298 			px_pci_config_put32(handle, dev_addr++, *host_addr++);
1299 	else
1300 		for (; repcount; repcount--)
1301 			px_pci_config_put32(handle, dev_addr, *host_addr++);
1302 }
1303 
1304 /*
1305  * Function to rep write 64 bit data into the PCI configuration space behind
1306  * the 21554's host interface.
1307  */
1308 static void
1309 px_pci_config_rep_put64(ddi_acc_impl_t *handle, uint64_t *host_addr,
1310 			uint64_t *dev_addr, size_t repcount, uint_t flags)
1311 {
1312 	if (flags == DDI_DEV_AUTOINCR)
1313 		for (; repcount; repcount--)
1314 			px_pci_config_put64(handle, dev_addr++, *host_addr++);
1315 	else
1316 		for (; repcount; repcount--)
1317 			px_pci_config_put64(handle, dev_addr, *host_addr++);
1318 }
1319 
1320 /*
1321  * Provide a private access handle to route config access calls to Hypervisor.
1322  * Beware: Do all error checking for config space accesses before calling
1323  * this function. ie. do error checking from the calling function.
1324  * Due to a lack of meaningful error code in DDI, the gauranteed return of
1325  * DDI_SUCCESS from here makes the code organization readable/easier from
1326  * the generic code.
1327  */
1328 /*ARGSUSED*/
1329 int
1330 px_lib_map_vconfig(dev_info_t *dip,
1331 	ddi_map_req_t *mp, pci_config_offset_t off,
1332 	pci_regspec_t *rp, caddr_t *addrp)
1333 {
1334 	ddi_acc_hdl_t *hp;
1335 	ddi_acc_impl_t *ap;
1336 	uchar_t busnum;	/* bus number */
1337 	uchar_t devnum;	/* device number */
1338 	uchar_t funcnum; /* function number */
1339 	px_config_acc_pvt_t *px_pvt;
1340 
1341 	hp = (ddi_acc_hdl_t *)mp->map_handlep;
1342 	ap = (ddi_acc_impl_t *)hp->ah_platform_private;
1343 
1344 	/* Check for mapping teardown operation */
1345 	if ((mp->map_op == DDI_MO_UNMAP) ||
1346 			(mp->map_op == DDI_MO_UNLOCK)) {
1347 		/* free up memory allocated for the private access handle. */
1348 		px_pvt = (px_config_acc_pvt_t *)hp->ah_bus_private;
1349 		kmem_free((void *)px_pvt, sizeof (px_config_acc_pvt_t));
1350 
1351 		/* unmap operation of PCI IO/config space. */
1352 		return (DDI_SUCCESS);
1353 	}
1354 
1355 	ap->ahi_get8 = px_pci_config_get8;
1356 	ap->ahi_get16 = px_pci_config_get16;
1357 	ap->ahi_get32 = px_pci_config_get32;
1358 	ap->ahi_get64 = px_pci_config_get64;
1359 	ap->ahi_put8 = px_pci_config_put8;
1360 	ap->ahi_put16 = px_pci_config_put16;
1361 	ap->ahi_put32 = px_pci_config_put32;
1362 	ap->ahi_put64 = px_pci_config_put64;
1363 	ap->ahi_rep_get8 = px_pci_config_rep_get8;
1364 	ap->ahi_rep_get16 = px_pci_config_rep_get16;
1365 	ap->ahi_rep_get32 = px_pci_config_rep_get32;
1366 	ap->ahi_rep_get64 = px_pci_config_rep_get64;
1367 	ap->ahi_rep_put8 = px_pci_config_rep_put8;
1368 	ap->ahi_rep_put16 = px_pci_config_rep_put16;
1369 	ap->ahi_rep_put32 = px_pci_config_rep_put32;
1370 	ap->ahi_rep_put64 = px_pci_config_rep_put64;
1371 
1372 	/* Initialize to default check/notify functions */
1373 	ap->ahi_fault = 0;
1374 	ap->ahi_fault_check = i_ddi_acc_fault_check;
1375 	ap->ahi_fault_notify = i_ddi_acc_fault_notify;
1376 
1377 	/* allocate memory for our private handle */
1378 	px_pvt = (px_config_acc_pvt_t *)
1379 			kmem_zalloc(sizeof (px_config_acc_pvt_t), KM_SLEEP);
1380 	hp->ah_bus_private = (void *)px_pvt;
1381 
1382 	busnum = PCI_REG_BUS_G(rp->pci_phys_hi);
1383 	devnum = PCI_REG_DEV_G(rp->pci_phys_hi);
1384 	funcnum = PCI_REG_FUNC_G(rp->pci_phys_hi);
1385 
1386 	/* set up private data for use during IO routines */
1387 
1388 	/* addr needed by the HV APIs */
1389 	px_pvt->raddr = busnum << 16 | devnum << 11 | funcnum << 8;
1390 	/*
1391 	 * Address that specifies the actual offset into the 256MB
1392 	 * memory mapped configuration space, 4K per device.
1393 	 * First 12bits form the offset into 4K config space.
1394 	 * This address is only used during the IO routines to calculate
1395 	 * the offset at which the transaction must be performed.
1396 	 * Drivers bypassing DDI functions to access PCI config space will
1397 	 * panic the system since the following is a bogus virtual address.
1398 	 */
1399 	px_pvt->vaddr = busnum << 20 | devnum << 15 | funcnum << 12 | off;
1400 	px_pvt->dip = dip;
1401 
1402 	DBG(DBG_LIB_CFG, dip, "px_config_setup: raddr 0x%x, vaddr 0x%x\n",
1403 				px_pvt->raddr, px_pvt->vaddr);
1404 	*addrp = (caddr_t)(uintptr_t)px_pvt->vaddr;
1405 	return (DDI_SUCCESS);
1406 }
1407 
1408 /*ARGSUSED*/
1409 void
1410 px_lib_map_attr_check(ddi_map_req_t *mp)
1411 {
1412 }
1413 
1414 /*
1415  * px_lib_log_safeacc_err:
1416  * Imitate a cpu/mem trap call when a peek/poke fails.
1417  * This will initiate something similar to px_fm_callback.
1418  */
1419 static void
1420 px_lib_log_safeacc_err(px_t *px_p, ddi_acc_handle_t handle, int fme_flag)
1421 {
1422 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)handle;
1423 	px_cb_t	*cb_p = px_p->px_cb_p;
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(&cb_p->xbc_fm_mutex);
1435 
1436 	(void) ndi_fm_handler_dispatch(px_p->px_dip, NULL, &derr);
1437 
1438 	mutex_exit(&cb_p->xbc_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 
1765 /* remove interrupt vector */
1766 void
1767 px_err_rem_intr(px_fault_t *px_fault_p)
1768 {
1769 	px_t	*px_p = DIP_TO_STATE(px_fault_p->px_fh_dip);
1770 
1771 	px_ib_intr_disable(px_p->px_ib_p, px_fault_p->px_intr_ino,
1772 	    IB_INTR_WAIT);
1773 
1774 	rem_ivintr(px_fault_p->px_fh_sysino, NULL);
1775 }
1776 
1777 
1778 #ifdef FMA
1779 void
1780 px_fill_rc_status(px_fault_t *px_fault_p, pciex_rc_error_regs_t *rc_status)
1781 {
1782 	px_pec_err_t	*err_pkt;
1783 
1784 	err_pkt = (px_pec_err_t *)px_fault_p->px_intr_payload;
1785 
1786 	/* initialise all the structure members */
1787 	rc_status->status_valid = 0;
1788 
1789 	if (err_pkt->pec_descr.P) {
1790 		/* PCI Status Register */
1791 		rc_status->pci_err_status = err_pkt->pci_err_status;
1792 		rc_status->status_valid |= PCI_ERR_STATUS_VALID;
1793 	}
1794 
1795 	if (err_pkt->pec_descr.E) {
1796 		/* PCIe Status Register */
1797 		rc_status->pcie_err_status = err_pkt->pcie_err_status;
1798 		rc_status->status_valid |= PCIE_ERR_STATUS_VALID;
1799 	}
1800 
1801 	if (err_pkt->pec_descr.U) {
1802 		rc_status->ue_status = err_pkt->ue_reg_status;
1803 		rc_status->status_valid |= UE_STATUS_VALID;
1804 	}
1805 
1806 	if (err_pkt->pec_descr.H) {
1807 		rc_status->ue_hdr1 = err_pkt->hdr[0];
1808 		rc_status->status_valid |= UE_HDR1_VALID;
1809 	}
1810 
1811 	if (err_pkt->pec_descr.I) {
1812 		rc_status->ue_hdr2 = err_pkt->hdr[1];
1813 		rc_status->status_valid |= UE_HDR2_VALID;
1814 	}
1815 
1816 	/* ue_fst_err_ptr - not available for sun4v?? */
1817 
1818 
1819 	if (err_pkt->pec_descr.S) {
1820 		rc_status->source_id = err_pkt->err_src_reg;
1821 		rc_status->status_valid |= SOURCE_ID_VALID;
1822 	}
1823 
1824 	if (err_pkt->pec_descr.R) {
1825 		rc_status->root_err_status = err_pkt->root_err_status;
1826 		rc_status->status_valid |= CE_STATUS_VALID;
1827 	}
1828 }
1829 #endif
1830 
1831 /*ARGSUSED*/
1832 int
1833 px_lib_pmctl(int cmd, px_t *px_p)
1834 {
1835 	return (DDI_FAILURE);
1836 }
1837 
1838 /*ARGSUSED*/
1839 uint_t
1840 px_pmeq_intr(caddr_t arg)
1841 {
1842 	return (DDI_INTR_CLAIMED);
1843 }
1844 
1845 /*
1846  * Unprotected raw reads/writes of fabric device's config space.
1847  * Only used for temporary PCI-E Fabric Error Handling.
1848  */
1849 uint32_t
1850 px_fab_get(px_t *px_p, pcie_req_id_t bdf, uint16_t offset) {
1851 	uint32_t 	data = 0;
1852 
1853 	(void) hvio_config_get(px_p->px_dev_hdl,
1854 	    (bdf << PX_RA_BDF_SHIFT), offset, 4,
1855 	    (pci_cfg_data_t *)&data);
1856 
1857 	return (data);
1858 }
1859 
1860 void
1861 px_fab_set(px_t *px_p, pcie_req_id_t bdf, uint16_t offset,
1862     uint32_t val) {
1863 	pci_cfg_data_t	wdata = { 0 };
1864 
1865 	wdata.qw = (uint32_t)val;
1866 	(void) hvio_config_put(px_p->px_dev_hdl,
1867 	    (bdf << PX_RA_BDF_SHIFT), offset, 4, wdata);
1868 }
1869 
1870 /*ARGSUSED*/
1871 int
1872 px_lib_hotplug_init(dev_info_t *dip, void *arg)
1873 {
1874 	return (DDI_ENOTSUP);
1875 }
1876 
1877 /*ARGSUSED*/
1878 void
1879 px_lib_hotplug_uninit(dev_info_t *dip)
1880 {
1881 }
1882 
1883 /* Dummy cpr add callback */
1884 /*ARGSUSED*/
1885 void
1886 px_cpr_add_callb(px_t *px_p)
1887 {
1888 }
1889 
1890 /* Dummy cpr rem callback */
1891 /*ARGSUSED*/
1892 void
1893 px_cpr_rem_callb(px_t *px_p)
1894 {
1895 }
1896