xref: /titanic_52/usr/src/uts/sun4v/io/px/px_lib4v.c (revision 1ae0874509b6811fdde1dfd46f0d93fd09867a3f)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include <sys/types.h>
29 #include <sys/sysmacros.h>
30 #include <sys/ddi.h>
31 #include <sys/async.h>
32 #include <sys/sunddi.h>
33 #include <sys/ddifm.h>
34 #include <sys/fm/protocol.h>
35 #include <sys/vmem.h>
36 #include <sys/intr.h>
37 #include <sys/ivintr.h>
38 #include <sys/errno.h>
39 #include <sys/hypervisor_api.h>
40 #include <sys/hsvc.h>
41 #include <px_obj.h>
42 #include <sys/machsystm.h>
43 #include <sys/hotplug/pci/pcihp.h>
44 #include "px_lib4v.h"
45 #include "px_err.h"
46 
47 /* mask for the ranges property in calculating the real PFN range */
48 uint_t px_ranges_phi_mask = ((1 << 28) -1);
49 
50 /*
51  * Hypervisor VPCI services information for the px nexus driver.
52  */
53 static	uint64_t	px_vpci_min_ver; /* Negotiated VPCI API minor version */
54 static	uint_t		px_vpci_users = 0; /* VPCI API users */
55 
56 static hsvc_info_t px_hsvc = {
57 	HSVC_REV_1, NULL, HSVC_GROUP_VPCI, PX_VPCI_MAJOR_VER,
58 	PX_VPCI_MINOR_VER, "PX"
59 };
60 
61 int
62 px_lib_dev_init(dev_info_t *dip, devhandle_t *dev_hdl)
63 {
64 	px_nexus_regspec_t	*rp;
65 	uint_t			reglen;
66 	int			ret;
67 
68 	DBG(DBG_ATTACH, dip, "px_lib_dev_init: dip 0x%p\n", dip);
69 
70 	ret = ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
71 	    "reg", (uchar_t **)&rp, &reglen);
72 	if (ret != DDI_PROP_SUCCESS) {
73 		DBG(DBG_ATTACH, dip, "px_lib_dev_init failed ret=%d\n", ret);
74 		return (DDI_FAILURE);
75 	}
76 
77 	/*
78 	 * Initilize device handle. The device handle uniquely identifies
79 	 * a SUN4V device. It consists of the lower 28-bits of the hi-cell
80 	 * of the first entry of the SUN4V device's "reg" property as
81 	 * defined by the SUN4V Bus Binding to Open Firmware.
82 	 */
83 	*dev_hdl = (devhandle_t)((rp->phys_addr >> 32) & DEVHDLE_MASK);
84 	ddi_prop_free(rp);
85 
86 	/*
87 	 * hotplug implementation requires this property to be associated with
88 	 * any indirect PCI config access services
89 	 */
90 	(void) ddi_prop_update_int(makedevice(ddi_driver_major(dip),
91 	    PCIHP_AP_MINOR_NUM(ddi_get_instance(dip), PCIHP_DEVCTL_MINOR)), dip,
92 	    PCI_BUS_CONF_MAP_PROP, 1);
93 
94 	DBG(DBG_ATTACH, dip, "px_lib_dev_init: dev_hdl 0x%llx\n", *dev_hdl);
95 
96 	/*
97 	 * Negotiate the API version for VPCI hypervisor services.
98 	 */
99 	if (px_vpci_users++)
100 		return (DDI_SUCCESS);
101 
102 	if ((ret = hsvc_register(&px_hsvc, &px_vpci_min_ver)) != 0) {
103 		cmn_err(CE_WARN, "%s: cannot negotiate hypervisor services "
104 		    "group: 0x%lx major: 0x%lx minor: 0x%lx errno: %d\n",
105 		    px_hsvc.hsvc_modname, px_hsvc.hsvc_group,
106 		    px_hsvc.hsvc_major, px_hsvc.hsvc_minor, ret);
107 
108 		return (DDI_FAILURE);
109 	}
110 
111 	DBG(DBG_ATTACH, dip, "px_lib_dev_init: negotiated VPCI API version, "
112 	    "major 0x%lx minor 0x%lx\n", px_hsvc.hsvc_major, px_vpci_min_ver);
113 
114 	return (DDI_SUCCESS);
115 }
116 
117 /*ARGSUSED*/
118 int
119 px_lib_dev_fini(dev_info_t *dip)
120 {
121 	DBG(DBG_DETACH, dip, "px_lib_dev_fini: dip 0x%p\n", dip);
122 
123 	(void) ddi_prop_remove(makedevice(ddi_driver_major(dip),
124 	    PCIHP_AP_MINOR_NUM(ddi_get_instance(dip), PCIHP_DEVCTL_MINOR)), dip,
125 	    PCI_BUS_CONF_MAP_PROP);
126 
127 	if (--px_vpci_users == 0)
128 		(void) hsvc_unregister(&px_hsvc);
129 
130 	return (DDI_SUCCESS);
131 }
132 
133 /*ARGSUSED*/
134 int
135 px_lib_intr_devino_to_sysino(dev_info_t *dip, devino_t devino,
136     sysino_t *sysino)
137 {
138 	uint64_t	ret;
139 
140 	DBG(DBG_LIB_INT, dip, "px_lib_intr_devino_to_sysino: dip 0x%p "
141 	    "devino 0x%x\n", dip, devino);
142 
143 	if ((ret = hvio_intr_devino_to_sysino(DIP_TO_HANDLE(dip),
144 	    devino, sysino)) != H_EOK) {
145 		DBG(DBG_LIB_INT, dip,
146 		    "hvio_intr_devino_to_sysino failed, ret 0x%lx\n", ret);
147 		return (DDI_FAILURE);
148 	}
149 
150 	DBG(DBG_LIB_INT, dip, "px_lib_intr_devino_to_sysino: sysino 0x%llx\n",
151 	    *sysino);
152 
153 	return (DDI_SUCCESS);
154 }
155 
156 /*ARGSUSED*/
157 int
158 px_lib_intr_getvalid(dev_info_t *dip, sysino_t sysino,
159     intr_valid_state_t *intr_valid_state)
160 {
161 	uint64_t	ret;
162 
163 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getvalid: dip 0x%p sysino 0x%llx\n",
164 	    dip, sysino);
165 
166 	if ((ret = hvio_intr_getvalid(sysino,
167 	    (int *)intr_valid_state)) != H_EOK) {
168 		DBG(DBG_LIB_INT, dip, "hvio_intr_getvalid failed, ret 0x%lx\n",
169 		    ret);
170 		return (DDI_FAILURE);
171 	}
172 
173 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getvalid: intr_valid_state 0x%x\n",
174 	    *intr_valid_state);
175 
176 	return (DDI_SUCCESS);
177 }
178 
179 /*ARGSUSED*/
180 int
181 px_lib_intr_setvalid(dev_info_t *dip, sysino_t sysino,
182     intr_valid_state_t intr_valid_state)
183 {
184 	uint64_t	ret;
185 
186 	DBG(DBG_LIB_INT, dip, "px_lib_intr_setvalid: dip 0x%p sysino 0x%llx "
187 	    "intr_valid_state 0x%x\n", dip, sysino, intr_valid_state);
188 
189 	if ((ret = hvio_intr_setvalid(sysino, intr_valid_state)) != H_EOK) {
190 		DBG(DBG_LIB_INT, dip, "hvio_intr_setvalid failed, ret 0x%lx\n",
191 		    ret);
192 		return (DDI_FAILURE);
193 	}
194 
195 	return (DDI_SUCCESS);
196 }
197 
198 /*ARGSUSED*/
199 int
200 px_lib_intr_getstate(dev_info_t *dip, sysino_t sysino,
201     intr_state_t *intr_state)
202 {
203 	uint64_t	ret;
204 
205 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getstate: dip 0x%p sysino 0x%llx\n",
206 	    dip, sysino);
207 
208 	if ((ret = hvio_intr_getstate(sysino, (int *)intr_state)) != H_EOK) {
209 		DBG(DBG_LIB_INT, dip, "hvio_intr_getstate failed, ret 0x%lx\n",
210 		    ret);
211 		return (DDI_FAILURE);
212 	}
213 
214 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getstate: intr_state 0x%x\n",
215 	    *intr_state);
216 
217 	return (DDI_SUCCESS);
218 }
219 
220 /*ARGSUSED*/
221 int
222 px_lib_intr_setstate(dev_info_t *dip, sysino_t sysino,
223     intr_state_t intr_state)
224 {
225 	uint64_t	ret;
226 
227 	DBG(DBG_LIB_INT, dip, "px_lib_intr_setstate: dip 0x%p sysino 0x%llx "
228 	    "intr_state 0x%x\n", dip, sysino, intr_state);
229 
230 	if ((ret = hvio_intr_setstate(sysino, intr_state)) != H_EOK) {
231 		DBG(DBG_LIB_INT, dip, "hvio_intr_setstate failed, ret 0x%lx\n",
232 		    ret);
233 		return (DDI_FAILURE);
234 	}
235 
236 	return (DDI_SUCCESS);
237 }
238 
239 /*ARGSUSED*/
240 int
241 px_lib_intr_gettarget(dev_info_t *dip, sysino_t sysino, cpuid_t *cpuid)
242 {
243 	uint64_t	ret;
244 
245 	DBG(DBG_LIB_INT, dip, "px_lib_intr_gettarget: dip 0x%p sysino 0x%llx\n",
246 	    dip, sysino);
247 
248 	if ((ret = hvio_intr_gettarget(sysino, cpuid)) != H_EOK) {
249 		DBG(DBG_LIB_INT, dip,
250 		    "hvio_intr_gettarget failed, ret 0x%lx\n", ret);
251 		return (DDI_FAILURE);
252 	}
253 
254 	DBG(DBG_LIB_INT, dip, "px_lib_intr_gettarget: cpuid 0x%x\n", cpuid);
255 
256 	return (DDI_SUCCESS);
257 }
258 
259 /*ARGSUSED*/
260 int
261 px_lib_intr_settarget(dev_info_t *dip, sysino_t sysino, cpuid_t cpuid)
262 {
263 	uint64_t	ret;
264 
265 	DBG(DBG_LIB_INT, dip, "px_lib_intr_settarget: dip 0x%p sysino 0x%llx "
266 	    "cpuid 0x%x\n", dip, sysino, cpuid);
267 
268 	if ((ret = hvio_intr_settarget(sysino, cpuid)) != H_EOK) {
269 		DBG(DBG_LIB_INT, dip,
270 		    "hvio_intr_settarget failed, ret 0x%lx\n", ret);
271 		return (DDI_FAILURE);
272 	}
273 
274 	return (DDI_SUCCESS);
275 }
276 
277 /*ARGSUSED*/
278 int
279 px_lib_intr_reset(dev_info_t *dip)
280 {
281 	px_t			*px_p = DIP_TO_STATE(dip);
282 	px_ib_t			*ib_p = px_p->px_ib_p;
283 	px_ib_ino_info_t	*ino_p;
284 
285 	DBG(DBG_LIB_INT, dip, "px_lib_intr_reset: dip 0x%p\n", dip);
286 
287 	mutex_enter(&ib_p->ib_ino_lst_mutex);
288 
289 	/* Reset all Interrupts */
290 	for (ino_p = ib_p->ib_ino_lst; ino_p; ino_p = ino_p->ino_next) {
291 		if (px_lib_intr_setstate(dip, ino_p->ino_sysino,
292 		    INTR_IDLE_STATE) != DDI_SUCCESS)
293 			return (BF_FATAL);
294 	}
295 
296 	mutex_exit(&ib_p->ib_ino_lst_mutex);
297 
298 	return (BF_NONE);
299 }
300 
301 /*ARGSUSED*/
302 int
303 px_lib_iommu_map(dev_info_t *dip, tsbid_t tsbid, pages_t pages,
304     io_attributes_t attr, void *addr, size_t pfn_index, int flags)
305 {
306 	tsbnum_t	tsb_num = PCI_TSBID_TO_TSBNUM(tsbid);
307 	tsbindex_t	tsb_index = PCI_TSBID_TO_TSBINDEX(tsbid);
308 	io_page_list_t	*pfns, *pfn_p;
309 	pages_t		ttes_mapped = 0;
310 	int		i, err = DDI_SUCCESS;
311 
312 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: dip 0x%p tsbid 0x%llx "
313 	    "pages 0x%x attr 0x%x addr 0x%p pfn_index 0x%llx flags 0x%x\n",
314 	    dip, tsbid, pages, attr, addr, pfn_index, flags);
315 
316 	if ((pfns = pfn_p = kmem_zalloc((pages * sizeof (io_page_list_t)),
317 	    KM_NOSLEEP)) == NULL) {
318 		DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: kmem_zalloc failed\n");
319 		return (DDI_FAILURE);
320 	}
321 
322 	for (i = 0; i < pages; i++)
323 		pfns[i] = MMU_PTOB(PX_ADDR2PFN(addr, pfn_index, flags, i));
324 
325 	/*
326 	 * If HV VPCI version is 1.1 and higher, pass the BDF, phantom
327 	 * function, and relax ordering information. Otherwise, justp pass
328 	 * read or write attribute information.
329 	 */
330 	if (px_vpci_min_ver == PX_VPCI_MINOR_VER_0)
331 		attr = attr & (PCI_MAP_ATTR_READ | PCI_MAP_ATTR_WRITE);
332 
333 	while ((ttes_mapped = pfn_p - pfns) < pages) {
334 		uintptr_t	ra = va_to_pa(pfn_p);
335 		pages_t		ttes2map;
336 		uint64_t	ret;
337 
338 		ttes2map = (MMU_PAGE_SIZE - P2PHASE(ra, MMU_PAGE_SIZE)) >> 3;
339 		ra = MMU_PTOB(MMU_BTOP(ra));
340 
341 		for (ttes2map = MIN(ttes2map, pages - ttes_mapped); ttes2map;
342 		    ttes2map -= ttes_mapped, pfn_p += ttes_mapped) {
343 
344 			ttes_mapped = 0;
345 			if ((ret = hvio_iommu_map(DIP_TO_HANDLE(dip),
346 			    PCI_TSBID(tsb_num, tsb_index + (pfn_p - pfns)),
347 			    ttes2map, attr, (io_page_list_t *)(ra |
348 			    ((uintptr_t)pfn_p & MMU_PAGE_OFFSET)),
349 			    &ttes_mapped)) != H_EOK) {
350 				DBG(DBG_LIB_DMA, dip, "hvio_iommu_map failed "
351 				    "ret 0x%lx\n", ret);
352 
353 				ttes_mapped = pfn_p - pfns;
354 				err = DDI_FAILURE;
355 				goto cleanup;
356 			}
357 
358 			DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: tsb_num 0x%x "
359 			    "tsb_index 0x%lx ttes_to_map 0x%lx attr 0x%x "
360 			    "ra 0x%p ttes_mapped 0x%x\n", tsb_num,
361 			    tsb_index + (pfn_p - pfns), ttes2map, attr,
362 			    ra | ((uintptr_t)pfn_p & MMU_PAGE_OFFSET),
363 			    ttes_mapped);
364 		}
365 	}
366 
367 cleanup:
368 	if ((err == DDI_FAILURE) && ttes_mapped)
369 		(void) px_lib_iommu_demap(dip, tsbid, ttes_mapped);
370 
371 	kmem_free(pfns, pages * sizeof (io_page_list_t));
372 	return (err);
373 }
374 
375 /*ARGSUSED*/
376 int
377 px_lib_iommu_demap(dev_info_t *dip, tsbid_t tsbid, pages_t pages)
378 {
379 	tsbnum_t	tsb_num = PCI_TSBID_TO_TSBNUM(tsbid);
380 	tsbindex_t	tsb_index = PCI_TSBID_TO_TSBINDEX(tsbid);
381 	pages_t		ttes2demap, ttes_demapped = 0;
382 	uint64_t	ret;
383 
384 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_demap: dip 0x%p tsbid 0x%llx "
385 	    "pages 0x%x\n", dip, tsbid, pages);
386 
387 	for (ttes2demap = pages; ttes2demap;
388 	    ttes2demap -= ttes_demapped, tsb_index += ttes_demapped) {
389 		if ((ret = hvio_iommu_demap(DIP_TO_HANDLE(dip),
390 		    PCI_TSBID(tsb_num, tsb_index), ttes2demap,
391 		    &ttes_demapped)) != H_EOK) {
392 			DBG(DBG_LIB_DMA, dip, "hvio_iommu_demap failed, "
393 			    "ret 0x%lx\n", ret);
394 
395 			return (DDI_FAILURE);
396 		}
397 
398 		DBG(DBG_LIB_DMA, dip, "px_lib_iommu_demap: tsb_num 0x%x "
399 		    "tsb_index 0x%lx ttes_to_demap 0x%lx ttes_demapped 0x%x\n",
400 		    tsb_num, tsb_index, ttes2demap, ttes_demapped);
401 	}
402 
403 	return (DDI_SUCCESS);
404 }
405 
406 /*ARGSUSED*/
407 int
408 px_lib_iommu_getmap(dev_info_t *dip, tsbid_t tsbid, io_attributes_t *attr_p,
409     r_addr_t *r_addr_p)
410 {
411 	uint64_t	ret;
412 
413 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getmap: dip 0x%p tsbid 0x%llx\n",
414 	    dip, tsbid);
415 
416 	if ((ret = hvio_iommu_getmap(DIP_TO_HANDLE(dip), tsbid,
417 	    attr_p, r_addr_p)) != H_EOK) {
418 		DBG(DBG_LIB_DMA, dip,
419 		    "hvio_iommu_getmap failed, ret 0x%lx\n", ret);
420 
421 		return ((ret == H_ENOMAP) ? DDI_DMA_NOMAPPING:DDI_FAILURE);
422 	}
423 
424 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getmap: attr 0x%x r_addr 0x%llx\n",
425 	    *attr_p, *r_addr_p);
426 
427 	return (DDI_SUCCESS);
428 }
429 
430 /*
431  * fetch chip's range propery's value. For sun4v, config space base
432  * is not used (pxtool_get_phys_addr) will return zero, so just return
433  * zero for px_get_range_prop().
434  */
435 /*ARGSUSED*/
436 uint64_t
437 px_get_range_prop(px_t *px_p, px_ranges_t *rp, int bank)
438 {
439 	return (0);
440 }
441 
442 /*
443  * Checks dma attributes against system bypass ranges
444  * A sun4v device must be capable of generating the entire 64-bit
445  * address in order to perform bypass DMA.
446  */
447 /*ARGSUSED*/
448 int
449 px_lib_dma_bypass_rngchk(dev_info_t *dip, ddi_dma_attr_t *attr_p,
450     uint64_t *lo_p, uint64_t *hi_p)
451 {
452 	if ((attr_p->dma_attr_addr_lo != 0ull) ||
453 	    (attr_p->dma_attr_addr_hi != UINT64_MAX)) {
454 
455 		return (DDI_DMA_BADATTR);
456 	}
457 
458 	*lo_p = 0ull;
459 	*hi_p = UINT64_MAX;
460 
461 	return (DDI_SUCCESS);
462 }
463 
464 
465 /*ARGSUSED*/
466 int
467 px_lib_iommu_getbypass(dev_info_t *dip, r_addr_t ra, io_attributes_t attr,
468     io_addr_t *io_addr_p)
469 {
470 	uint64_t	ret;
471 
472 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: dip 0x%p ra 0x%llx "
473 	    "attr 0x%x\n", dip, ra, attr);
474 
475 	if ((ret = hvio_iommu_getbypass(DIP_TO_HANDLE(dip), ra,
476 	    attr, io_addr_p)) != H_EOK) {
477 		DBG(DBG_LIB_DMA, dip,
478 		    "hvio_iommu_getbypass failed, ret 0x%lx\n", ret);
479 		return (ret == H_ENOTSUPPORTED ? DDI_ENOTSUP : DDI_FAILURE);
480 	}
481 
482 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: io_addr 0x%llx\n",
483 	    *io_addr_p);
484 
485 	return (DDI_SUCCESS);
486 }
487 
488 /*ARGSUSED*/
489 int
490 px_lib_dma_sync(dev_info_t *dip, dev_info_t *rdip, ddi_dma_handle_t handle,
491 	off_t off, size_t len, uint_t cache_flags)
492 {
493 	ddi_dma_impl_t *mp = (ddi_dma_impl_t *)handle;
494 	uint64_t sync_dir;
495 	px_dvma_addr_t dvma_addr, pg_off;
496 	size_t num_sync;
497 	uint64_t status = H_EOK;
498 
499 	DBG(DBG_LIB_DMA, dip, "px_lib_dma_sync: dip 0x%p rdip 0x%p "
500 	    "handle 0x%llx off 0x%x len 0x%x flags 0x%x\n",
501 	    dip, rdip, handle, off, len, cache_flags);
502 
503 	if (!(mp->dmai_flags & PX_DMAI_FLAGS_INUSE)) {
504 		cmn_err(CE_WARN, "%s%d: Unbound dma handle %p.",
505 		    ddi_driver_name(rdip), ddi_get_instance(rdip), (void *)mp);
506 		return (DDI_FAILURE);
507 	}
508 
509 	if (mp->dmai_flags & PX_DMAI_FLAGS_NOSYNC)
510 		return (DDI_SUCCESS);
511 
512 	if (!len)
513 		len = mp->dmai_size;
514 
515 	pg_off = mp->dmai_offset;			/* start min */
516 	dvma_addr = MAX(off, pg_off);			/* lo */
517 	pg_off += mp->dmai_size;			/* end max */
518 	pg_off = MIN(off + len, pg_off);		/* hi */
519 	if (dvma_addr >= pg_off) {			/* lo >= hi ? */
520 		cmn_err(CE_WARN, "%s%d: %lx + %lx out of window [%lx,%lx]",
521 		    ddi_driver_name(rdip), ddi_get_instance(rdip),
522 		    off, len, mp->dmai_offset,
523 		    mp->dmai_offset + mp->dmai_size);
524 		return (DDI_FAILURE);
525 	}
526 
527 	len = pg_off - dvma_addr;			/* sz = hi - lo */
528 	dvma_addr += mp->dmai_mapping;			/* start addr */
529 
530 	if (mp->dmai_rflags & DDI_DMA_READ)
531 		sync_dir = HVIO_DMA_SYNC_DIR_FROM_DEV;
532 	else
533 		sync_dir = HVIO_DMA_SYNC_DIR_TO_DEV;
534 
535 	for (; ((len > 0) && (status == H_EOK)); len -= num_sync) {
536 		status = hvio_dma_sync(DIP_TO_HANDLE(dip), dvma_addr, len,
537 		    sync_dir, &num_sync);
538 		dvma_addr += num_sync;
539 	}
540 
541 	return ((status == H_EOK) ? DDI_SUCCESS : DDI_FAILURE);
542 }
543 
544 
545 /*
546  * MSIQ Functions:
547  */
548 
549 /*ARGSUSED*/
550 int
551 px_lib_msiq_init(dev_info_t *dip)
552 {
553 	px_t		*px_p = DIP_TO_STATE(dip);
554 	px_msiq_state_t	*msiq_state_p = &px_p->px_ib_p->ib_msiq_state;
555 	uint64_t	*msiq_addr, ra;
556 	size_t		msiq_size;
557 	uint_t		rec_cnt;
558 	int		i, err = DDI_SUCCESS;
559 	uint64_t	ret;
560 
561 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_init: dip 0x%p\n", dip);
562 
563 	msiq_addr = (uint64_t *)(((uint64_t)msiq_state_p->msiq_buf_p +
564 	    (MMU_PAGE_SIZE - 1)) >> MMU_PAGE_SHIFT << MMU_PAGE_SHIFT);
565 
566 	msiq_size = msiq_state_p->msiq_rec_cnt * sizeof (msiq_rec_t);
567 
568 	for (i = 0; i < msiq_state_p->msiq_cnt; i++) {
569 		ra = (r_addr_t)va_to_pa((caddr_t)msiq_addr + (i * msiq_size));
570 
571 		if ((ret = hvio_msiq_conf(DIP_TO_HANDLE(dip),
572 		    (i + msiq_state_p->msiq_1st_msiq_id),
573 		    ra, msiq_state_p->msiq_rec_cnt)) != H_EOK) {
574 			DBG(DBG_LIB_MSIQ, dip,
575 			    "hvio_msiq_conf failed, ret 0x%lx\n", ret);
576 			err = DDI_FAILURE;
577 			break;
578 		}
579 
580 		if ((err = px_lib_msiq_info(dip,
581 		    (i + msiq_state_p->msiq_1st_msiq_id),
582 		    &ra, &rec_cnt)) != DDI_SUCCESS) {
583 			DBG(DBG_LIB_MSIQ, dip,
584 			    "px_lib_msiq_info failed, ret 0x%x\n", err);
585 			err = DDI_FAILURE;
586 			break;
587 		}
588 
589 		DBG(DBG_LIB_MSIQ, dip,
590 		    "px_lib_msiq_init: ra 0x%p rec_cnt 0x%x\n", ra, rec_cnt);
591 	}
592 
593 	return (err);
594 }
595 
596 /*ARGSUSED*/
597 int
598 px_lib_msiq_fini(dev_info_t *dip)
599 {
600 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_fini: dip 0x%p\n", dip);
601 
602 	return (DDI_SUCCESS);
603 }
604 
605 /*ARGSUSED*/
606 int
607 px_lib_msiq_info(dev_info_t *dip, msiqid_t msiq_id, r_addr_t *ra_p,
608     uint_t *msiq_rec_cnt_p)
609 {
610 	uint64_t	ret;
611 
612 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: dip 0x%p msiq_id 0x%x\n",
613 	    dip, msiq_id);
614 
615 	if ((ret = hvio_msiq_info(DIP_TO_HANDLE(dip),
616 	    msiq_id, ra_p, msiq_rec_cnt_p)) != H_EOK) {
617 		DBG(DBG_LIB_MSIQ, dip,
618 		    "hvio_msiq_info failed, ret 0x%lx\n", ret);
619 		return (DDI_FAILURE);
620 	}
621 
622 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: ra_p 0x%p msiq_rec_cnt 0x%x\n",
623 	    ra_p, *msiq_rec_cnt_p);
624 
625 	return (DDI_SUCCESS);
626 }
627 
628 /*ARGSUSED*/
629 int
630 px_lib_msiq_getvalid(dev_info_t *dip, msiqid_t msiq_id,
631     pci_msiq_valid_state_t *msiq_valid_state)
632 {
633 	uint64_t	ret;
634 
635 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: dip 0x%p msiq_id 0x%x\n",
636 	    dip, msiq_id);
637 
638 	if ((ret = hvio_msiq_getvalid(DIP_TO_HANDLE(dip),
639 	    msiq_id, msiq_valid_state)) != H_EOK) {
640 		DBG(DBG_LIB_MSIQ, dip,
641 		    "hvio_msiq_getvalid failed, ret 0x%lx\n", ret);
642 		return (DDI_FAILURE);
643 	}
644 
645 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: msiq_valid_state 0x%x\n",
646 	    *msiq_valid_state);
647 
648 	return (DDI_SUCCESS);
649 }
650 
651 /*ARGSUSED*/
652 int
653 px_lib_msiq_setvalid(dev_info_t *dip, msiqid_t msiq_id,
654     pci_msiq_valid_state_t msiq_valid_state)
655 {
656 	uint64_t	ret;
657 
658 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_setvalid: dip 0x%p msiq_id 0x%x "
659 	    "msiq_valid_state 0x%x\n", dip, msiq_id, msiq_valid_state);
660 
661 	if ((ret = hvio_msiq_setvalid(DIP_TO_HANDLE(dip),
662 	    msiq_id, msiq_valid_state)) != H_EOK) {
663 		DBG(DBG_LIB_MSIQ, dip,
664 		    "hvio_msiq_setvalid failed, ret 0x%lx\n", ret);
665 		return (DDI_FAILURE);
666 	}
667 
668 	return (DDI_SUCCESS);
669 }
670 
671 /*ARGSUSED*/
672 int
673 px_lib_msiq_getstate(dev_info_t *dip, msiqid_t msiq_id,
674     pci_msiq_state_t *msiq_state)
675 {
676 	uint64_t	ret;
677 
678 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: dip 0x%p msiq_id 0x%x\n",
679 	    dip, msiq_id);
680 
681 	if ((ret = hvio_msiq_getstate(DIP_TO_HANDLE(dip),
682 	    msiq_id, msiq_state)) != H_EOK) {
683 		DBG(DBG_LIB_MSIQ, dip,
684 		    "hvio_msiq_getstate failed, ret 0x%lx\n", ret);
685 		return (DDI_FAILURE);
686 	}
687 
688 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: msiq_state 0x%x\n",
689 	    *msiq_state);
690 
691 	return (DDI_SUCCESS);
692 }
693 
694 /*ARGSUSED*/
695 int
696 px_lib_msiq_setstate(dev_info_t *dip, msiqid_t msiq_id,
697     pci_msiq_state_t msiq_state)
698 {
699 	uint64_t	ret;
700 
701 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_setstate: dip 0x%p msiq_id 0x%x "
702 	    "msiq_state 0x%x\n", dip, msiq_id, msiq_state);
703 
704 	if ((ret = hvio_msiq_setstate(DIP_TO_HANDLE(dip),
705 	    msiq_id, msiq_state)) != H_EOK) {
706 		DBG(DBG_LIB_MSIQ, dip,
707 		    "hvio_msiq_setstate failed, ret 0x%lx\n", ret);
708 		return (DDI_FAILURE);
709 	}
710 
711 	return (DDI_SUCCESS);
712 }
713 
714 /*ARGSUSED*/
715 int
716 px_lib_msiq_gethead(dev_info_t *dip, msiqid_t msiq_id,
717     msiqhead_t *msiq_head_p)
718 {
719 	uint64_t	ret;
720 
721 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gethead: dip 0x%p msiq_id 0x%x\n",
722 	    dip, msiq_id);
723 
724 	if ((ret = hvio_msiq_gethead(DIP_TO_HANDLE(dip),
725 	    msiq_id, msiq_head_p)) != H_EOK) {
726 		DBG(DBG_LIB_MSIQ, dip,
727 		    "hvio_msiq_gethead failed, ret 0x%lx\n", ret);
728 		return (DDI_FAILURE);
729 	}
730 
731 	*msiq_head_p =  (*msiq_head_p / sizeof (msiq_rec_t));
732 
733 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_gethead: msiq_head 0x%x\n",
734 	    *msiq_head_p);
735 
736 	return (DDI_SUCCESS);
737 }
738 
739 /*ARGSUSED*/
740 int
741 px_lib_msiq_sethead(dev_info_t *dip, msiqid_t msiq_id,
742     msiqhead_t msiq_head)
743 {
744 	uint64_t	ret;
745 
746 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_sethead: dip 0x%p msiq_id 0x%x "
747 	    "msiq_head 0x%x\n", dip, msiq_id, msiq_head);
748 
749 	if ((ret = hvio_msiq_sethead(DIP_TO_HANDLE(dip),
750 	    msiq_id, msiq_head * sizeof (msiq_rec_t))) != H_EOK) {
751 		DBG(DBG_LIB_MSIQ, dip,
752 		    "hvio_msiq_sethead failed, ret 0x%lx\n", ret);
753 		return (DDI_FAILURE);
754 	}
755 
756 	return (DDI_SUCCESS);
757 }
758 
759 /*ARGSUSED*/
760 int
761 px_lib_msiq_gettail(dev_info_t *dip, msiqid_t msiq_id,
762     msiqtail_t *msiq_tail_p)
763 {
764 	uint64_t	ret;
765 
766 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: dip 0x%p msiq_id 0x%x\n",
767 	    dip, msiq_id);
768 
769 	if ((ret = hvio_msiq_gettail(DIP_TO_HANDLE(dip),
770 	    msiq_id, msiq_tail_p)) != H_EOK) {
771 		DBG(DBG_LIB_MSIQ, dip,
772 		    "hvio_msiq_gettail failed, ret 0x%lx\n", ret);
773 		return (DDI_FAILURE);
774 	}
775 
776 	*msiq_tail_p =  (*msiq_tail_p / sizeof (msiq_rec_t));
777 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: msiq_tail 0x%x\n",
778 	    *msiq_tail_p);
779 
780 	return (DDI_SUCCESS);
781 }
782 
783 /*ARGSUSED*/
784 void
785 px_lib_get_msiq_rec(dev_info_t *dip, px_msiq_t *msiq_p, msiq_rec_t *msiq_rec_p)
786 {
787 	msiq_rec_t	*curr_msiq_rec_p = (msiq_rec_t *)msiq_p->msiq_curr;
788 
789 	DBG(DBG_LIB_MSIQ, dip, "px_lib_get_msiq_rec: dip 0x%p\n", dip);
790 
791 	if (!curr_msiq_rec_p->msiq_rec_type)
792 		return;
793 
794 	*msiq_rec_p = *curr_msiq_rec_p;
795 
796 	/* Zero out msiq_rec_type field */
797 	curr_msiq_rec_p->msiq_rec_type  = 0;
798 }
799 
800 /*
801  * MSI Functions:
802  */
803 
804 /*ARGSUSED*/
805 int
806 px_lib_msi_init(dev_info_t *dip)
807 {
808 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_init: dip 0x%p\n", dip);
809 
810 	/* Noop */
811 	return (DDI_SUCCESS);
812 }
813 
814 /*ARGSUSED*/
815 int
816 px_lib_msi_getmsiq(dev_info_t *dip, msinum_t msi_num,
817     msiqid_t *msiq_id)
818 {
819 	uint64_t	ret;
820 
821 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: dip 0x%p msi_num 0x%x\n",
822 	    dip, msi_num);
823 
824 	if ((ret = hvio_msi_getmsiq(DIP_TO_HANDLE(dip),
825 	    msi_num, msiq_id)) != H_EOK) {
826 		DBG(DBG_LIB_MSI, dip,
827 		    "hvio_msi_getmsiq failed, ret 0x%lx\n", ret);
828 		return (DDI_FAILURE);
829 	}
830 
831 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: msiq_id 0x%x\n",
832 	    *msiq_id);
833 
834 	return (DDI_SUCCESS);
835 }
836 
837 /*ARGSUSED*/
838 int
839 px_lib_msi_setmsiq(dev_info_t *dip, msinum_t msi_num,
840     msiqid_t msiq_id, msi_type_t msitype)
841 {
842 	uint64_t	ret;
843 
844 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setmsiq: dip 0x%p msi_num 0x%x "
845 	    "msq_id 0x%x\n", dip, msi_num, msiq_id);
846 
847 	if ((ret = hvio_msi_setmsiq(DIP_TO_HANDLE(dip),
848 	    msi_num, msiq_id, msitype)) != H_EOK) {
849 		DBG(DBG_LIB_MSI, dip,
850 		    "hvio_msi_setmsiq failed, ret 0x%lx\n", ret);
851 		return (DDI_FAILURE);
852 	}
853 
854 	return (DDI_SUCCESS);
855 }
856 
857 /*ARGSUSED*/
858 int
859 px_lib_msi_getvalid(dev_info_t *dip, msinum_t msi_num,
860     pci_msi_valid_state_t *msi_valid_state)
861 {
862 	uint64_t	ret;
863 
864 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: dip 0x%p msi_num 0x%x\n",
865 	    dip, msi_num);
866 
867 	if ((ret = hvio_msi_getvalid(DIP_TO_HANDLE(dip),
868 	    msi_num, msi_valid_state)) != H_EOK) {
869 		DBG(DBG_LIB_MSI, dip,
870 		    "hvio_msi_getvalid failed, ret 0x%lx\n", ret);
871 		return (DDI_FAILURE);
872 	}
873 
874 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: msiq_id 0x%x\n",
875 	    *msi_valid_state);
876 
877 	return (DDI_SUCCESS);
878 }
879 
880 /*ARGSUSED*/
881 int
882 px_lib_msi_setvalid(dev_info_t *dip, msinum_t msi_num,
883     pci_msi_valid_state_t msi_valid_state)
884 {
885 	uint64_t	ret;
886 
887 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setvalid: dip 0x%p msi_num 0x%x "
888 	    "msi_valid_state 0x%x\n", dip, msi_num, msi_valid_state);
889 
890 	if ((ret = hvio_msi_setvalid(DIP_TO_HANDLE(dip),
891 	    msi_num, msi_valid_state)) != H_EOK) {
892 		DBG(DBG_LIB_MSI, dip,
893 		    "hvio_msi_setvalid failed, ret 0x%lx\n", ret);
894 		return (DDI_FAILURE);
895 	}
896 
897 	return (DDI_SUCCESS);
898 }
899 
900 /*ARGSUSED*/
901 int
902 px_lib_msi_getstate(dev_info_t *dip, msinum_t msi_num,
903     pci_msi_state_t *msi_state)
904 {
905 	uint64_t	ret;
906 
907 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: dip 0x%p msi_num 0x%x\n",
908 	    dip, msi_num);
909 
910 	if ((ret = hvio_msi_getstate(DIP_TO_HANDLE(dip),
911 	    msi_num, msi_state)) != H_EOK) {
912 		DBG(DBG_LIB_MSI, dip,
913 		    "hvio_msi_getstate failed, ret 0x%lx\n", ret);
914 		return (DDI_FAILURE);
915 	}
916 
917 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: msi_state 0x%x\n",
918 	    *msi_state);
919 
920 	return (DDI_SUCCESS);
921 }
922 
923 /*ARGSUSED*/
924 int
925 px_lib_msi_setstate(dev_info_t *dip, msinum_t msi_num,
926     pci_msi_state_t msi_state)
927 {
928 	uint64_t	ret;
929 
930 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setstate: dip 0x%p msi_num 0x%x "
931 	    "msi_state 0x%x\n", dip, msi_num, msi_state);
932 
933 	if ((ret = hvio_msi_setstate(DIP_TO_HANDLE(dip),
934 	    msi_num, msi_state)) != H_EOK) {
935 		DBG(DBG_LIB_MSI, dip,
936 		    "hvio_msi_setstate failed, ret 0x%lx\n", ret);
937 		return (DDI_FAILURE);
938 	}
939 
940 	return (DDI_SUCCESS);
941 }
942 
943 /*
944  * MSG Functions:
945  */
946 
947 /*ARGSUSED*/
948 int
949 px_lib_msg_getmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
950     msiqid_t *msiq_id)
951 {
952 	uint64_t	ret;
953 
954 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_getmsiq: dip 0x%p msg_type 0x%x\n",
955 	    dip, msg_type);
956 
957 	if ((ret = hvio_msg_getmsiq(DIP_TO_HANDLE(dip),
958 	    msg_type, msiq_id)) != H_EOK) {
959 		DBG(DBG_LIB_MSG, dip,
960 		    "hvio_msg_getmsiq failed, ret 0x%lx\n", ret);
961 		return (DDI_FAILURE);
962 	}
963 
964 	DBG(DBG_LIB_MSI, dip, "px_lib_msg_getmsiq: msiq_id 0x%x\n",
965 	    *msiq_id);
966 
967 	return (DDI_SUCCESS);
968 }
969 
970 /*ARGSUSED*/
971 int
972 px_lib_msg_setmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
973     msiqid_t msiq_id)
974 {
975 	uint64_t	ret;
976 
977 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_setmsiq: dip 0x%p msg_type 0x%x "
978 	    "msq_id 0x%x\n", dip, msg_type, msiq_id);
979 
980 	if ((ret = hvio_msg_setmsiq(DIP_TO_HANDLE(dip),
981 	    msg_type, msiq_id)) != H_EOK) {
982 		DBG(DBG_LIB_MSG, dip,
983 		    "hvio_msg_setmsiq failed, ret 0x%lx\n", ret);
984 		return (DDI_FAILURE);
985 	}
986 
987 	return (DDI_SUCCESS);
988 }
989 
990 /*ARGSUSED*/
991 int
992 px_lib_msg_getvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
993     pcie_msg_valid_state_t *msg_valid_state)
994 {
995 	uint64_t	ret;
996 
997 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_getvalid: dip 0x%p msg_type 0x%x\n",
998 	    dip, msg_type);
999 
1000 	if ((ret = hvio_msg_getvalid(DIP_TO_HANDLE(dip), msg_type,
1001 	    msg_valid_state)) != H_EOK) {
1002 		DBG(DBG_LIB_MSG, dip,
1003 		    "hvio_msg_getvalid failed, ret 0x%lx\n", ret);
1004 		return (DDI_FAILURE);
1005 	}
1006 
1007 	DBG(DBG_LIB_MSI, dip, "px_lib_msg_getvalid: msg_valid_state 0x%x\n",
1008 	    *msg_valid_state);
1009 
1010 	return (DDI_SUCCESS);
1011 }
1012 
1013 /*ARGSUSED*/
1014 int
1015 px_lib_msg_setvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
1016     pcie_msg_valid_state_t msg_valid_state)
1017 {
1018 	uint64_t	ret;
1019 
1020 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_setvalid: dip 0x%p msg_type 0x%x "
1021 	    "msg_valid_state 0x%x\n", dip, msg_type, msg_valid_state);
1022 
1023 	if ((ret = hvio_msg_setvalid(DIP_TO_HANDLE(dip), msg_type,
1024 	    msg_valid_state)) != H_EOK) {
1025 		DBG(DBG_LIB_MSG, dip,
1026 		    "hvio_msg_setvalid failed, ret 0x%lx\n", ret);
1027 		return (DDI_FAILURE);
1028 	}
1029 
1030 	return (DDI_SUCCESS);
1031 }
1032 
1033 /*
1034  * Suspend/Resume Functions:
1035  * Currently unsupported by hypervisor and all functions are noops.
1036  */
1037 /*ARGSUSED*/
1038 int
1039 px_lib_suspend(dev_info_t *dip)
1040 {
1041 	DBG(DBG_ATTACH, dip, "px_lib_suspend: Not supported\n");
1042 
1043 	/* Not supported */
1044 	return (DDI_FAILURE);
1045 }
1046 
1047 /*ARGSUSED*/
1048 void
1049 px_lib_resume(dev_info_t *dip)
1050 {
1051 	DBG(DBG_ATTACH, dip, "px_lib_resume: Not supported\n");
1052 
1053 	/* Noop */
1054 }
1055 
1056 /*
1057  * Misc Functions:
1058  * Currently unsupported by hypervisor and all functions are noops.
1059  */
1060 /*ARGSUSED*/
1061 static int
1062 px_lib_config_get(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off,
1063     uint8_t size, pci_cfg_data_t *data_p)
1064 {
1065 	uint64_t	ret;
1066 
1067 	DBG(DBG_LIB_CFG, dip, "px_lib_config_get: dip 0x%p, bdf 0x%llx "
1068 	    "off 0x%x size 0x%x\n", dip, bdf, off, size);
1069 
1070 	if ((ret = hvio_config_get(DIP_TO_HANDLE(dip), bdf, off,
1071 	    size, data_p)) != H_EOK) {
1072 		DBG(DBG_LIB_CFG, dip,
1073 		    "hvio_config_get failed, ret 0x%lx\n", ret);
1074 		return (DDI_FAILURE);
1075 	}
1076 	DBG(DBG_LIB_CFG, dip, "px_config_get: data 0x%x\n", data_p->dw);
1077 
1078 	return (DDI_SUCCESS);
1079 }
1080 
1081 /*ARGSUSED*/
1082 static int
1083 px_lib_config_put(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off,
1084     uint8_t size, pci_cfg_data_t data)
1085 {
1086 	uint64_t	ret;
1087 
1088 	DBG(DBG_LIB_CFG, dip, "px_lib_config_put: dip 0x%p, bdf 0x%llx "
1089 	    "off 0x%x size 0x%x data 0x%llx\n", dip, bdf, off, size, data.qw);
1090 
1091 	if ((ret = hvio_config_put(DIP_TO_HANDLE(dip), bdf, off,
1092 	    size, data)) != H_EOK) {
1093 		DBG(DBG_LIB_CFG, dip,
1094 		    "hvio_config_put failed, ret 0x%lx\n", ret);
1095 		return (DDI_FAILURE);
1096 	}
1097 
1098 	return (DDI_SUCCESS);
1099 }
1100 
1101 static uint32_t
1102 px_pci_config_get(ddi_acc_impl_t *handle, uint32_t *addr, int size)
1103 {
1104 	px_config_acc_pvt_t	*px_pvt = (px_config_acc_pvt_t *)
1105 					handle->ahi_common.ah_bus_private;
1106 	uint32_t pci_dev_addr = px_pvt->raddr;
1107 	uint32_t vaddr = px_pvt->vaddr;
1108 	uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff;
1109 	uint32_t rdata = 0;
1110 
1111 	if (px_lib_config_get(px_pvt->dip, pci_dev_addr, off,
1112 				size, (pci_cfg_data_t *)&rdata) != DDI_SUCCESS)
1113 		/* XXX update error kstats */
1114 		return (0xffffffff);
1115 	return (rdata);
1116 }
1117 
1118 static void
1119 px_pci_config_put(ddi_acc_impl_t *handle, uint32_t *addr,
1120 		int size, pci_cfg_data_t wdata)
1121 {
1122 	px_config_acc_pvt_t	*px_pvt = (px_config_acc_pvt_t *)
1123 					handle->ahi_common.ah_bus_private;
1124 	uint32_t pci_dev_addr = px_pvt->raddr;
1125 	uint32_t vaddr = px_pvt->vaddr;
1126 	uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff;
1127 
1128 	if (px_lib_config_put(px_pvt->dip, pci_dev_addr, off,
1129 				size, wdata) != DDI_SUCCESS) {
1130 		/*EMPTY*/
1131 		/* XXX update error kstats */
1132 	}
1133 }
1134 
1135 static uint8_t
1136 px_pci_config_get8(ddi_acc_impl_t *handle, uint8_t *addr)
1137 {
1138 	return ((uint8_t)px_pci_config_get(handle, (uint32_t *)addr, 1));
1139 }
1140 
1141 static uint16_t
1142 px_pci_config_get16(ddi_acc_impl_t *handle, uint16_t *addr)
1143 {
1144 	return ((uint16_t)px_pci_config_get(handle, (uint32_t *)addr, 2));
1145 }
1146 
1147 static uint32_t
1148 px_pci_config_get32(ddi_acc_impl_t *handle, uint32_t *addr)
1149 {
1150 	return ((uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4));
1151 }
1152 
1153 static uint64_t
1154 px_pci_config_get64(ddi_acc_impl_t *handle, uint64_t *addr)
1155 {
1156 	uint32_t rdatah, rdatal;
1157 
1158 	rdatal = (uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4);
1159 	rdatah = (uint32_t)px_pci_config_get(handle,
1160 				(uint32_t *)((char *)addr+4), 4);
1161 	return (((uint64_t)rdatah << 32) | rdatal);
1162 }
1163 
1164 static void
1165 px_pci_config_put8(ddi_acc_impl_t *handle, uint8_t *addr, uint8_t data)
1166 {
1167 	pci_cfg_data_t wdata = { 0 };
1168 
1169 	wdata.qw = (uint8_t)data;
1170 	px_pci_config_put(handle, (uint32_t *)addr, 1, wdata);
1171 }
1172 
1173 static void
1174 px_pci_config_put16(ddi_acc_impl_t *handle, uint16_t *addr, uint16_t data)
1175 {
1176 	pci_cfg_data_t wdata = { 0 };
1177 
1178 	wdata.qw = (uint16_t)data;
1179 	px_pci_config_put(handle, (uint32_t *)addr, 2, wdata);
1180 }
1181 
1182 static void
1183 px_pci_config_put32(ddi_acc_impl_t *handle, uint32_t *addr, uint32_t data)
1184 {
1185 	pci_cfg_data_t wdata = { 0 };
1186 
1187 	wdata.qw = (uint32_t)data;
1188 	px_pci_config_put(handle, (uint32_t *)addr, 4, wdata);
1189 }
1190 
1191 static void
1192 px_pci_config_put64(ddi_acc_impl_t *handle, uint64_t *addr, uint64_t data)
1193 {
1194 	pci_cfg_data_t wdata = { 0 };
1195 
1196 	wdata.qw = (uint32_t)(data & 0xffffffff);
1197 	px_pci_config_put(handle, (uint32_t *)addr, 4, wdata);
1198 	wdata.qw = (uint32_t)((data >> 32) & 0xffffffff);
1199 	px_pci_config_put(handle, (uint32_t *)((char *)addr+4), 4, wdata);
1200 }
1201 
1202 static void
1203 px_pci_config_rep_get8(ddi_acc_impl_t *handle, uint8_t *host_addr,
1204 			uint8_t *dev_addr, size_t repcount, uint_t flags)
1205 {
1206 	if (flags == DDI_DEV_AUTOINCR)
1207 		for (; repcount; repcount--)
1208 			*host_addr++ = px_pci_config_get8(handle, dev_addr++);
1209 	else
1210 		for (; repcount; repcount--)
1211 			*host_addr++ = px_pci_config_get8(handle, dev_addr);
1212 }
1213 
1214 /*
1215  * Function to rep read 16 bit data off the PCI configuration space behind
1216  * the 21554's host interface.
1217  */
1218 static void
1219 px_pci_config_rep_get16(ddi_acc_impl_t *handle, uint16_t *host_addr,
1220 			uint16_t *dev_addr, size_t repcount, uint_t flags)
1221 {
1222 	if (flags == DDI_DEV_AUTOINCR)
1223 		for (; repcount; repcount--)
1224 			*host_addr++ = px_pci_config_get16(handle, dev_addr++);
1225 	else
1226 		for (; repcount; repcount--)
1227 			*host_addr++ = px_pci_config_get16(handle, dev_addr);
1228 }
1229 
1230 /*
1231  * Function to rep read 32 bit data off the PCI configuration space behind
1232  * the 21554's host interface.
1233  */
1234 static void
1235 px_pci_config_rep_get32(ddi_acc_impl_t *handle, uint32_t *host_addr,
1236 			uint32_t *dev_addr, size_t repcount, uint_t flags)
1237 {
1238 	if (flags == DDI_DEV_AUTOINCR)
1239 		for (; repcount; repcount--)
1240 			*host_addr++ = px_pci_config_get32(handle, dev_addr++);
1241 	else
1242 		for (; repcount; repcount--)
1243 			*host_addr++ = px_pci_config_get32(handle, dev_addr);
1244 }
1245 
1246 /*
1247  * Function to rep read 64 bit data off the PCI configuration space behind
1248  * the 21554's host interface.
1249  */
1250 static void
1251 px_pci_config_rep_get64(ddi_acc_impl_t *handle, uint64_t *host_addr,
1252 			uint64_t *dev_addr, size_t repcount, uint_t flags)
1253 {
1254 	if (flags == DDI_DEV_AUTOINCR)
1255 		for (; repcount; repcount--)
1256 			*host_addr++ = px_pci_config_get64(handle, dev_addr++);
1257 	else
1258 		for (; repcount; repcount--)
1259 			*host_addr++ = px_pci_config_get64(handle, dev_addr);
1260 }
1261 
1262 /*
1263  * Function to rep write 8 bit data into the PCI configuration space behind
1264  * the 21554's host interface.
1265  */
1266 static void
1267 px_pci_config_rep_put8(ddi_acc_impl_t *handle, uint8_t *host_addr,
1268 			uint8_t *dev_addr, size_t repcount, uint_t flags)
1269 {
1270 	if (flags == DDI_DEV_AUTOINCR)
1271 		for (; repcount; repcount--)
1272 			px_pci_config_put8(handle, dev_addr++, *host_addr++);
1273 	else
1274 		for (; repcount; repcount--)
1275 			px_pci_config_put8(handle, dev_addr, *host_addr++);
1276 }
1277 
1278 /*
1279  * Function to rep write 16 bit data into the PCI configuration space behind
1280  * the 21554's host interface.
1281  */
1282 static void
1283 px_pci_config_rep_put16(ddi_acc_impl_t *handle, uint16_t *host_addr,
1284 			uint16_t *dev_addr, size_t repcount, uint_t flags)
1285 {
1286 	if (flags == DDI_DEV_AUTOINCR)
1287 		for (; repcount; repcount--)
1288 			px_pci_config_put16(handle, dev_addr++, *host_addr++);
1289 	else
1290 		for (; repcount; repcount--)
1291 			px_pci_config_put16(handle, dev_addr, *host_addr++);
1292 }
1293 
1294 /*
1295  * Function to rep write 32 bit data into the PCI configuration space behind
1296  * the 21554's host interface.
1297  */
1298 static void
1299 px_pci_config_rep_put32(ddi_acc_impl_t *handle, uint32_t *host_addr,
1300 			uint32_t *dev_addr, size_t repcount, uint_t flags)
1301 {
1302 	if (flags == DDI_DEV_AUTOINCR)
1303 		for (; repcount; repcount--)
1304 			px_pci_config_put32(handle, dev_addr++, *host_addr++);
1305 	else
1306 		for (; repcount; repcount--)
1307 			px_pci_config_put32(handle, dev_addr, *host_addr++);
1308 }
1309 
1310 /*
1311  * Function to rep write 64 bit data into the PCI configuration space behind
1312  * the 21554's host interface.
1313  */
1314 static void
1315 px_pci_config_rep_put64(ddi_acc_impl_t *handle, uint64_t *host_addr,
1316 			uint64_t *dev_addr, size_t repcount, uint_t flags)
1317 {
1318 	if (flags == DDI_DEV_AUTOINCR)
1319 		for (; repcount; repcount--)
1320 			px_pci_config_put64(handle, dev_addr++, *host_addr++);
1321 	else
1322 		for (; repcount; repcount--)
1323 			px_pci_config_put64(handle, dev_addr, *host_addr++);
1324 }
1325 
1326 /*
1327  * Provide a private access handle to route config access calls to Hypervisor.
1328  * Beware: Do all error checking for config space accesses before calling
1329  * this function. ie. do error checking from the calling function.
1330  * Due to a lack of meaningful error code in DDI, the gauranteed return of
1331  * DDI_SUCCESS from here makes the code organization readable/easier from
1332  * the generic code.
1333  */
1334 /*ARGSUSED*/
1335 int
1336 px_lib_map_vconfig(dev_info_t *dip,
1337 	ddi_map_req_t *mp, pci_config_offset_t off,
1338 	pci_regspec_t *rp, caddr_t *addrp)
1339 {
1340 	ddi_acc_hdl_t *hp;
1341 	ddi_acc_impl_t *ap;
1342 	uchar_t busnum;	/* bus number */
1343 	uchar_t devnum;	/* device number */
1344 	uchar_t funcnum; /* function number */
1345 	px_config_acc_pvt_t *px_pvt;
1346 
1347 	hp = (ddi_acc_hdl_t *)mp->map_handlep;
1348 	ap = (ddi_acc_impl_t *)hp->ah_platform_private;
1349 
1350 	/* Check for mapping teardown operation */
1351 	if ((mp->map_op == DDI_MO_UNMAP) ||
1352 			(mp->map_op == DDI_MO_UNLOCK)) {
1353 		/* free up memory allocated for the private access handle. */
1354 		px_pvt = (px_config_acc_pvt_t *)hp->ah_bus_private;
1355 		kmem_free((void *)px_pvt, sizeof (px_config_acc_pvt_t));
1356 
1357 		/* unmap operation of PCI IO/config space. */
1358 		return (DDI_SUCCESS);
1359 	}
1360 
1361 	ap->ahi_get8 = px_pci_config_get8;
1362 	ap->ahi_get16 = px_pci_config_get16;
1363 	ap->ahi_get32 = px_pci_config_get32;
1364 	ap->ahi_get64 = px_pci_config_get64;
1365 	ap->ahi_put8 = px_pci_config_put8;
1366 	ap->ahi_put16 = px_pci_config_put16;
1367 	ap->ahi_put32 = px_pci_config_put32;
1368 	ap->ahi_put64 = px_pci_config_put64;
1369 	ap->ahi_rep_get8 = px_pci_config_rep_get8;
1370 	ap->ahi_rep_get16 = px_pci_config_rep_get16;
1371 	ap->ahi_rep_get32 = px_pci_config_rep_get32;
1372 	ap->ahi_rep_get64 = px_pci_config_rep_get64;
1373 	ap->ahi_rep_put8 = px_pci_config_rep_put8;
1374 	ap->ahi_rep_put16 = px_pci_config_rep_put16;
1375 	ap->ahi_rep_put32 = px_pci_config_rep_put32;
1376 	ap->ahi_rep_put64 = px_pci_config_rep_put64;
1377 
1378 	/* Initialize to default check/notify functions */
1379 	ap->ahi_fault = 0;
1380 	ap->ahi_fault_check = i_ddi_acc_fault_check;
1381 	ap->ahi_fault_notify = i_ddi_acc_fault_notify;
1382 
1383 	/* allocate memory for our private handle */
1384 	px_pvt = (px_config_acc_pvt_t *)
1385 			kmem_zalloc(sizeof (px_config_acc_pvt_t), KM_SLEEP);
1386 	hp->ah_bus_private = (void *)px_pvt;
1387 
1388 	busnum = PCI_REG_BUS_G(rp->pci_phys_hi);
1389 	devnum = PCI_REG_DEV_G(rp->pci_phys_hi);
1390 	funcnum = PCI_REG_FUNC_G(rp->pci_phys_hi);
1391 
1392 	/* set up private data for use during IO routines */
1393 
1394 	/* addr needed by the HV APIs */
1395 	px_pvt->raddr = busnum << 16 | devnum << 11 | funcnum << 8;
1396 	/*
1397 	 * Address that specifies the actual offset into the 256MB
1398 	 * memory mapped configuration space, 4K per device.
1399 	 * First 12bits form the offset into 4K config space.
1400 	 * This address is only used during the IO routines to calculate
1401 	 * the offset at which the transaction must be performed.
1402 	 * Drivers bypassing DDI functions to access PCI config space will
1403 	 * panic the system since the following is a bogus virtual address.
1404 	 */
1405 	px_pvt->vaddr = busnum << 20 | devnum << 15 | funcnum << 12 | off;
1406 	px_pvt->dip = dip;
1407 
1408 	DBG(DBG_LIB_CFG, dip, "px_config_setup: raddr 0x%x, vaddr 0x%x\n",
1409 				px_pvt->raddr, px_pvt->vaddr);
1410 	*addrp = (caddr_t)(uintptr_t)px_pvt->vaddr;
1411 	return (DDI_SUCCESS);
1412 }
1413 
1414 /*ARGSUSED*/
1415 void
1416 px_lib_map_attr_check(ddi_map_req_t *mp)
1417 {
1418 }
1419 
1420 /*
1421  * px_lib_log_safeacc_err:
1422  * Imitate a cpu/mem trap call when a peek/poke fails.
1423  * This will initiate something similar to px_fm_callback.
1424  */
1425 static void
1426 px_lib_log_safeacc_err(px_t *px_p, ddi_acc_handle_t handle, int fme_flag)
1427 {
1428 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)handle;
1429 	ddi_fm_error_t derr;
1430 
1431 	derr.fme_status = DDI_FM_NONFATAL;
1432 	derr.fme_version = DDI_FME_VERSION;
1433 	derr.fme_flag = fme_flag;
1434 	derr.fme_ena = fm_ena_generate(0, FM_ENA_FMT1);
1435 	derr.fme_acc_handle = handle;
1436 	if (hp)
1437 		hp->ahi_err->err_expected = DDI_FM_ERR_EXPECTED;
1438 
1439 	mutex_enter(&px_p->px_fm_mutex);
1440 
1441 	(void) ndi_fm_handler_dispatch(px_p->px_dip, NULL, &derr);
1442 
1443 	mutex_exit(&px_p->px_fm_mutex);
1444 }
1445 
1446 
1447 #ifdef  DEBUG
1448 int	px_peekfault_cnt = 0;
1449 int	px_pokefault_cnt = 0;
1450 #endif  /* DEBUG */
1451 
1452 static int
1453 px_lib_bdf_from_dip(dev_info_t *rdip, uint32_t *bdf)
1454 {
1455 	/* Start with an array of 8 reg spaces for now to cover most devices. */
1456 	pci_regspec_t regspec_array[8];
1457 	pci_regspec_t *regspec = regspec_array;
1458 	int buflen = sizeof (regspec_array);
1459 	boolean_t kmalloced = B_FALSE;
1460 	int status;
1461 
1462 	status = ddi_getlongprop_buf(DDI_DEV_T_ANY, rdip,
1463 	    DDI_PROP_DONTPASS, "reg", (caddr_t)regspec, &buflen);
1464 
1465 	/* If need more space, fallback to kmem_alloc. */
1466 	if (status == DDI_PROP_BUF_TOO_SMALL) {
1467 		regspec = kmem_alloc(buflen, KM_SLEEP);
1468 
1469 		status = ddi_getlongprop_buf(DDI_DEV_T_ANY, rdip,
1470 		    DDI_PROP_DONTPASS, "reg", (caddr_t)regspec, &buflen);
1471 
1472 		kmalloced = B_TRUE;
1473 	}
1474 
1475 	/* Get phys_hi from first element.  All have same bdf. */
1476 	if (status == DDI_PROP_SUCCESS)
1477 		*bdf = regspec->pci_phys_hi & (PCI_REG_BDFR_M ^ PCI_REG_REG_M);
1478 
1479 	if (kmalloced)
1480 		kmem_free(regspec, buflen);
1481 
1482 	return ((status == DDI_PROP_SUCCESS) ? DDI_SUCCESS : DDI_FAILURE);
1483 }
1484 
1485 /*
1486  * Do a safe write to a device.
1487  *
1488  * When this function is given a handle (cautious access), all errors are
1489  * suppressed.
1490  *
1491  * When this function is not given a handle (poke), only Unsupported Request
1492  * and Completer Abort errors are suppressed.
1493  *
1494  * In all cases, all errors are returned in the function return status.
1495  */
1496 
1497 int
1498 px_lib_ctlops_poke(dev_info_t *dip, dev_info_t *rdip,
1499     peekpoke_ctlops_t *in_args)
1500 {
1501 	px_t *px_p = DIP_TO_STATE(dip);
1502 	px_pec_t *pec_p = px_p->px_pec_p;
1503 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle;
1504 
1505 	size_t repcount = in_args->repcount;
1506 	size_t size = in_args->size;
1507 	uintptr_t dev_addr = in_args->dev_addr;
1508 	uintptr_t host_addr = in_args->host_addr;
1509 
1510 	int err	= DDI_SUCCESS;
1511 	uint64_t hvio_poke_status;
1512 	uint32_t bdf;
1513 	uint32_t wrt_stat;
1514 
1515 	r_addr_t ra;
1516 	uint64_t pokeval;
1517 
1518 	/*
1519 	 * Used only to notify error handling peek/poke is occuring
1520 	 * One scenario is when a fabric err as a result of peek/poke.
1521 	 * However there is no way to guarantee that the fabric error
1522 	 * handler will occur in the window where otd is set.
1523 	 */
1524 	on_trap_data_t otd;
1525 
1526 	if (px_lib_bdf_from_dip(rdip, &bdf) != DDI_SUCCESS) {
1527 		DBG(DBG_LIB_DMA, px_p->px_dip,
1528 		    "poke: px_lib_bdf_from_dip failed\n");
1529 		err = DDI_FAILURE;
1530 		goto done;
1531 	}
1532 
1533 	ra = (r_addr_t)va_to_pa((void *)dev_addr);
1534 	for (; repcount; repcount--) {
1535 
1536 		switch (size) {
1537 		case sizeof (uint8_t):
1538 			pokeval = *(uint8_t *)host_addr;
1539 			break;
1540 		case sizeof (uint16_t):
1541 			pokeval = *(uint16_t *)host_addr;
1542 			break;
1543 		case sizeof (uint32_t):
1544 			pokeval = *(uint32_t *)host_addr;
1545 			break;
1546 		case sizeof (uint64_t):
1547 			pokeval = *(uint64_t *)host_addr;
1548 			break;
1549 		default:
1550 			DBG(DBG_MAP, px_p->px_dip,
1551 			    "poke: invalid size %d passed\n", size);
1552 			err = DDI_FAILURE;
1553 			goto done;
1554 		}
1555 
1556 		/*
1557 		 * Grab pokefault mutex since hypervisor does not guarantee
1558 		 * poke serialization.
1559 		 */
1560 		if (hp) {
1561 			i_ndi_busop_access_enter(hp->ahi_common.ah_dip,
1562 			    (ddi_acc_handle_t)hp);
1563 			pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED;
1564 		} else {
1565 			mutex_enter(&pec_p->pec_pokefault_mutex);
1566 			pec_p->pec_safeacc_type = DDI_FM_ERR_POKE;
1567 		}
1568 		pec_p->pec_ontrap_data = &otd;
1569 
1570 		hvio_poke_status = hvio_poke(px_p->px_dev_hdl, ra, size,
1571 			    pokeval, bdf, &wrt_stat);
1572 
1573 		if (otd.ot_trap & OT_DATA_ACCESS)
1574 			err = DDI_FAILURE;
1575 
1576 		if ((hvio_poke_status != H_EOK) || (wrt_stat != H_EOK)) {
1577 			err = DDI_FAILURE;
1578 #ifdef  DEBUG
1579 			px_pokefault_cnt++;
1580 #endif
1581 			/*
1582 			 * For CAUTIOUS and POKE access, notify FMA to
1583 			 * cleanup.  Imitate a cpu/mem trap call like in sun4u.
1584 			 */
1585 			px_lib_log_safeacc_err(px_p, (ddi_acc_handle_t)hp,
1586 			    (hp ? DDI_FM_ERR_EXPECTED :
1587 			    DDI_FM_ERR_POKE));
1588 
1589 			pec_p->pec_ontrap_data = NULL;
1590 			pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1591 			if (hp) {
1592 				i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1593 				    (ddi_acc_handle_t)hp);
1594 			} else {
1595 				mutex_exit(&pec_p->pec_pokefault_mutex);
1596 			}
1597 			goto done;
1598 		}
1599 
1600 		pec_p->pec_ontrap_data = NULL;
1601 		pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1602 		if (hp) {
1603 			i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1604 			    (ddi_acc_handle_t)hp);
1605 		} else {
1606 			mutex_exit(&pec_p->pec_pokefault_mutex);
1607 		}
1608 
1609 		host_addr += size;
1610 
1611 		if (in_args->flags == DDI_DEV_AUTOINCR) {
1612 			dev_addr += size;
1613 			ra = (r_addr_t)va_to_pa((void *)dev_addr);
1614 		}
1615 	}
1616 
1617 done:
1618 	return (err);
1619 }
1620 
1621 
1622 /*ARGSUSED*/
1623 int
1624 px_lib_ctlops_peek(dev_info_t *dip, dev_info_t *rdip,
1625     peekpoke_ctlops_t *in_args, void *result)
1626 {
1627 	px_t *px_p = DIP_TO_STATE(dip);
1628 	px_pec_t *pec_p = px_p->px_pec_p;
1629 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle;
1630 
1631 	size_t repcount = in_args->repcount;
1632 	uintptr_t dev_addr = in_args->dev_addr;
1633 	uintptr_t host_addr = in_args->host_addr;
1634 
1635 	r_addr_t ra;
1636 	uint32_t read_status;
1637 	uint64_t hvio_peek_status;
1638 	uint64_t peekval;
1639 	int err = DDI_SUCCESS;
1640 
1641 	/*
1642 	 * Used only to notify error handling peek/poke is occuring
1643 	 * One scenario is when a fabric err as a result of peek/poke.
1644 	 * However there is no way to guarantee that the fabric error
1645 	 * handler will occur in the window where otd is set.
1646 	 */
1647 	on_trap_data_t otd;
1648 
1649 	result = (void *)in_args->host_addr;
1650 
1651 	ra = (r_addr_t)va_to_pa((void *)dev_addr);
1652 	for (; repcount; repcount--) {
1653 
1654 		/* Lock pokefault mutex so read doesn't mask a poke fault. */
1655 		if (hp) {
1656 			i_ndi_busop_access_enter(hp->ahi_common.ah_dip,
1657 			    (ddi_acc_handle_t)hp);
1658 			pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED;
1659 		} else {
1660 			mutex_enter(&pec_p->pec_pokefault_mutex);
1661 			pec_p->pec_safeacc_type = DDI_FM_ERR_PEEK;
1662 		}
1663 		pec_p->pec_ontrap_data = &otd;
1664 
1665 		hvio_peek_status = hvio_peek(px_p->px_dev_hdl, ra,
1666 		    in_args->size, &read_status, &peekval);
1667 
1668 		if ((hvio_peek_status != H_EOK) || (read_status != H_EOK)) {
1669 			err = DDI_FAILURE;
1670 
1671 			/*
1672 			 * For CAUTIOUS and PEEK access, notify FMA to
1673 			 * cleanup.  Imitate a cpu/mem trap call like in sun4u.
1674 			 */
1675 			px_lib_log_safeacc_err(px_p, (ddi_acc_handle_t)hp,
1676 			    (hp ? DDI_FM_ERR_EXPECTED :
1677 			    DDI_FM_ERR_PEEK));
1678 
1679 			/* Stuff FFs in host addr if peek. */
1680 			if (hp == NULL) {
1681 				int i;
1682 				uint8_t *ff_addr = (uint8_t *)host_addr;
1683 				for (i = 0; i < in_args->size; i++)
1684 					*ff_addr++ = 0xff;
1685 			}
1686 #ifdef  DEBUG
1687 			px_peekfault_cnt++;
1688 #endif
1689 			pec_p->pec_ontrap_data = NULL;
1690 			pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1691 			if (hp) {
1692 				i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1693 				    (ddi_acc_handle_t)hp);
1694 			} else {
1695 				mutex_exit(&pec_p->pec_pokefault_mutex);
1696 			}
1697 			goto done;
1698 
1699 		}
1700 		pec_p->pec_ontrap_data = NULL;
1701 		pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1702 		if (hp) {
1703 			i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1704 			    (ddi_acc_handle_t)hp);
1705 		} else {
1706 			mutex_exit(&pec_p->pec_pokefault_mutex);
1707 		}
1708 
1709 		switch (in_args->size) {
1710 		case sizeof (uint8_t):
1711 			*(uint8_t *)host_addr = (uint8_t)peekval;
1712 			break;
1713 		case sizeof (uint16_t):
1714 			*(uint16_t *)host_addr = (uint16_t)peekval;
1715 			break;
1716 		case sizeof (uint32_t):
1717 			*(uint32_t *)host_addr = (uint32_t)peekval;
1718 			break;
1719 		case sizeof (uint64_t):
1720 			*(uint64_t *)host_addr = (uint64_t)peekval;
1721 			break;
1722 		default:
1723 			DBG(DBG_MAP, px_p->px_dip,
1724 			    "peek: invalid size %d passed\n",
1725 			    in_args->size);
1726 			err = DDI_FAILURE;
1727 			goto done;
1728 		}
1729 
1730 		host_addr += in_args->size;
1731 
1732 		if (in_args->flags == DDI_DEV_AUTOINCR) {
1733 			dev_addr += in_args->size;
1734 			ra = (r_addr_t)va_to_pa((void *)dev_addr);
1735 		}
1736 	}
1737 done:
1738 	return (err);
1739 }
1740 
1741 
1742 /* add interrupt vector */
1743 int
1744 px_err_add_intr(px_fault_t *px_fault_p)
1745 {
1746 	int	ret;
1747 	px_t	*px_p = DIP_TO_STATE(px_fault_p->px_fh_dip);
1748 
1749 	DBG(DBG_LIB_INT, px_p->px_dip,
1750 	    "px_err_add_intr: calling add_ivintr");
1751 	ret = add_ivintr(px_fault_p->px_fh_sysino, PX_ERR_PIL,
1752 	    px_fault_p->px_err_func, (caddr_t)px_fault_p,
1753 	    (caddr_t)&px_fault_p->px_intr_payload[0]);
1754 
1755 	if (ret != DDI_SUCCESS) {
1756 		DBG(DBG_LIB_INT, px_p->px_dip,
1757 		"add_ivintr returns %d, faultp: %p", ret, px_fault_p);
1758 
1759 		return (ret);
1760 	}
1761 	DBG(DBG_LIB_INT, px_p->px_dip,
1762 	    "px_err_add_intr: ib_intr_enable ");
1763 
1764 	px_ib_intr_enable(px_p, intr_dist_cpuid(), px_fault_p->px_intr_ino);
1765 
1766 	return (ret);
1767 }
1768 
1769 /* remove interrupt vector */
1770 void
1771 px_err_rem_intr(px_fault_t *px_fault_p)
1772 {
1773 	px_t	*px_p = DIP_TO_STATE(px_fault_p->px_fh_dip);
1774 
1775 	px_ib_intr_disable(px_p->px_ib_p, px_fault_p->px_intr_ino,
1776 	    IB_INTR_WAIT);
1777 
1778 	rem_ivintr(px_fault_p->px_fh_sysino, NULL);
1779 }
1780 
1781 int
1782 px_cb_add_intr(px_fault_t *f_p)
1783 {
1784 	return (px_err_add_intr(f_p));
1785 }
1786 
1787 void
1788 px_cb_rem_intr(px_fault_t *f_p)
1789 {
1790 	px_err_rem_intr(f_p);
1791 }
1792 
1793 void
1794 px_cb_intr_redist(px_t *px_p)
1795 {
1796 	px_ib_intr_dist_en(px_p->px_dip, intr_dist_cpuid(),
1797 	    px_p->px_inos[PX_INTR_XBC], B_FALSE);
1798 }
1799 
1800 #ifdef FMA
1801 void
1802 px_fill_rc_status(px_fault_t *px_fault_p, pciex_rc_error_regs_t *rc_status)
1803 {
1804 	px_pec_err_t	*err_pkt;
1805 
1806 	err_pkt = (px_pec_err_t *)px_fault_p->px_intr_payload;
1807 
1808 	/* initialise all the structure members */
1809 	rc_status->status_valid = 0;
1810 
1811 	if (err_pkt->pec_descr.P) {
1812 		/* PCI Status Register */
1813 		rc_status->pci_err_status = err_pkt->pci_err_status;
1814 		rc_status->status_valid |= PCI_ERR_STATUS_VALID;
1815 	}
1816 
1817 	if (err_pkt->pec_descr.E) {
1818 		/* PCIe Status Register */
1819 		rc_status->pcie_err_status = err_pkt->pcie_err_status;
1820 		rc_status->status_valid |= PCIE_ERR_STATUS_VALID;
1821 	}
1822 
1823 	if (err_pkt->pec_descr.U) {
1824 		rc_status->ue_status = err_pkt->ue_reg_status;
1825 		rc_status->status_valid |= UE_STATUS_VALID;
1826 	}
1827 
1828 	if (err_pkt->pec_descr.H) {
1829 		rc_status->ue_hdr1 = err_pkt->hdr[0];
1830 		rc_status->status_valid |= UE_HDR1_VALID;
1831 	}
1832 
1833 	if (err_pkt->pec_descr.I) {
1834 		rc_status->ue_hdr2 = err_pkt->hdr[1];
1835 		rc_status->status_valid |= UE_HDR2_VALID;
1836 	}
1837 
1838 	/* ue_fst_err_ptr - not available for sun4v?? */
1839 
1840 
1841 	if (err_pkt->pec_descr.S) {
1842 		rc_status->source_id = err_pkt->err_src_reg;
1843 		rc_status->status_valid |= SOURCE_ID_VALID;
1844 	}
1845 
1846 	if (err_pkt->pec_descr.R) {
1847 		rc_status->root_err_status = err_pkt->root_err_status;
1848 		rc_status->status_valid |= CE_STATUS_VALID;
1849 	}
1850 }
1851 #endif
1852 
1853 /*ARGSUSED*/
1854 int
1855 px_lib_pmctl(int cmd, px_t *px_p)
1856 {
1857 	return (DDI_FAILURE);
1858 }
1859 
1860 /*ARGSUSED*/
1861 uint_t
1862 px_pmeq_intr(caddr_t arg)
1863 {
1864 	return (DDI_INTR_CLAIMED);
1865 }
1866 
1867 /*
1868  * Unprotected raw reads/writes of fabric device's config space.
1869  * Only used for temporary PCI-E Fabric Error Handling.
1870  */
1871 uint32_t
1872 px_fab_get(px_t *px_p, pcie_req_id_t bdf, uint16_t offset) {
1873 	uint32_t 	data = 0;
1874 
1875 	(void) hvio_config_get(px_p->px_dev_hdl,
1876 	    (bdf << PX_RA_BDF_SHIFT), offset, 4,
1877 	    (pci_cfg_data_t *)&data);
1878 
1879 	return (data);
1880 }
1881 
1882 void
1883 px_fab_set(px_t *px_p, pcie_req_id_t bdf, uint16_t offset,
1884     uint32_t val) {
1885 	pci_cfg_data_t	wdata = { 0 };
1886 
1887 	wdata.qw = (uint32_t)val;
1888 	(void) hvio_config_put(px_p->px_dev_hdl,
1889 	    (bdf << PX_RA_BDF_SHIFT), offset, 4, wdata);
1890 }
1891 
1892 /*ARGSUSED*/
1893 int
1894 px_lib_hotplug_init(dev_info_t *dip, void *arg)
1895 {
1896 	return (DDI_ENOTSUP);
1897 }
1898 
1899 /*ARGSUSED*/
1900 void
1901 px_lib_hotplug_uninit(dev_info_t *dip)
1902 {
1903 }
1904 
1905 /* Dummy cpr add callback */
1906 /*ARGSUSED*/
1907 void
1908 px_cpr_add_callb(px_t *px_p)
1909 {
1910 }
1911 
1912 /* Dummy cpr rem callback */
1913 /*ARGSUSED*/
1914 void
1915 px_cpr_rem_callb(px_t *px_p)
1916 {
1917 }
1918