xref: /titanic_50/usr/src/uts/sun4v/io/px/px_lib4v.c (revision ff3124eff995e6cd8ebd8c6543648e0670920034)
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 2008 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 	uint64_t mjrnum;
69 	uint64_t mnrnum;
70 
71 	DBG(DBG_ATTACH, dip, "px_lib_dev_init: dip 0x%p\n", dip);
72 
73 	/*
74 	 * Check HV intr group api versioning.
75 	 * This driver uses the old interrupt routines which are supported
76 	 * in old firmware in the CORE API group and in newer firmware in
77 	 * the INTR API group.  Support for these calls will be dropped
78 	 * once the INTR API group major goes to 2.
79 	 */
80 	if ((hsvc_version(HSVC_GROUP_INTR, &mjrnum, &mnrnum) == 0) &&
81 	    (mjrnum > 1)) {
82 		cmn_err(CE_WARN, "niumx: unsupported intr api group: "
83 		    "maj:0x%lx, min:0x%lx", mjrnum, mnrnum);
84 		return (ENOTSUP);
85 	}
86 
87 	ret = ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
88 	    "reg", (uchar_t **)&rp, &reglen);
89 	if (ret != DDI_PROP_SUCCESS) {
90 		DBG(DBG_ATTACH, dip, "px_lib_dev_init failed ret=%d\n", ret);
91 		return (DDI_FAILURE);
92 	}
93 
94 	/*
95 	 * Initilize device handle. The device handle uniquely identifies
96 	 * a SUN4V device. It consists of the lower 28-bits of the hi-cell
97 	 * of the first entry of the SUN4V device's "reg" property as
98 	 * defined by the SUN4V Bus Binding to Open Firmware.
99 	 */
100 	*dev_hdl = (devhandle_t)((rp->phys_addr >> 32) & DEVHDLE_MASK);
101 	ddi_prop_free(rp);
102 
103 	/*
104 	 * hotplug implementation requires this property to be associated with
105 	 * any indirect PCI config access services
106 	 */
107 	(void) ddi_prop_update_int(makedevice(ddi_driver_major(dip),
108 	    PCIHP_AP_MINOR_NUM(ddi_get_instance(dip), PCIHP_DEVCTL_MINOR)), dip,
109 	    PCI_BUS_CONF_MAP_PROP, 1);
110 
111 	DBG(DBG_ATTACH, dip, "px_lib_dev_init: dev_hdl 0x%llx\n", *dev_hdl);
112 
113 	/*
114 	 * Negotiate the API version for VPCI hypervisor services.
115 	 */
116 	if (px_vpci_users++)
117 		return (DDI_SUCCESS);
118 
119 	if ((ret = hsvc_register(&px_hsvc, &px_vpci_min_ver)) != 0) {
120 		cmn_err(CE_WARN, "%s: cannot negotiate hypervisor services "
121 		    "group: 0x%lx major: 0x%lx minor: 0x%lx errno: %d\n",
122 		    px_hsvc.hsvc_modname, px_hsvc.hsvc_group,
123 		    px_hsvc.hsvc_major, px_hsvc.hsvc_minor, ret);
124 
125 		return (DDI_FAILURE);
126 	}
127 
128 	DBG(DBG_ATTACH, dip, "px_lib_dev_init: negotiated VPCI API version, "
129 	    "major 0x%lx minor 0x%lx\n", px_hsvc.hsvc_major, px_vpci_min_ver);
130 
131 	return (DDI_SUCCESS);
132 }
133 
134 /*ARGSUSED*/
135 int
136 px_lib_dev_fini(dev_info_t *dip)
137 {
138 	DBG(DBG_DETACH, dip, "px_lib_dev_fini: dip 0x%p\n", dip);
139 
140 	(void) ddi_prop_remove(makedevice(ddi_driver_major(dip),
141 	    PCIHP_AP_MINOR_NUM(ddi_get_instance(dip), PCIHP_DEVCTL_MINOR)), dip,
142 	    PCI_BUS_CONF_MAP_PROP);
143 
144 	if (--px_vpci_users == 0)
145 		(void) hsvc_unregister(&px_hsvc);
146 
147 	return (DDI_SUCCESS);
148 }
149 
150 /*ARGSUSED*/
151 int
152 px_lib_intr_devino_to_sysino(dev_info_t *dip, devino_t devino,
153     sysino_t *sysino)
154 {
155 	uint64_t	ret;
156 
157 	DBG(DBG_LIB_INT, dip, "px_lib_intr_devino_to_sysino: dip 0x%p "
158 	    "devino 0x%x\n", dip, devino);
159 
160 	if ((ret = hvio_intr_devino_to_sysino(DIP_TO_HANDLE(dip),
161 	    devino, sysino)) != H_EOK) {
162 		DBG(DBG_LIB_INT, dip,
163 		    "hvio_intr_devino_to_sysino failed, ret 0x%lx\n", ret);
164 		return (DDI_FAILURE);
165 	}
166 
167 	DBG(DBG_LIB_INT, dip, "px_lib_intr_devino_to_sysino: sysino 0x%llx\n",
168 	    *sysino);
169 
170 	return (DDI_SUCCESS);
171 }
172 
173 /*ARGSUSED*/
174 int
175 px_lib_intr_getvalid(dev_info_t *dip, sysino_t sysino,
176     intr_valid_state_t *intr_valid_state)
177 {
178 	uint64_t	ret;
179 
180 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getvalid: dip 0x%p sysino 0x%llx\n",
181 	    dip, sysino);
182 
183 	if ((ret = hvio_intr_getvalid(sysino,
184 	    (int *)intr_valid_state)) != H_EOK) {
185 		DBG(DBG_LIB_INT, dip, "hvio_intr_getvalid failed, ret 0x%lx\n",
186 		    ret);
187 		return (DDI_FAILURE);
188 	}
189 
190 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getvalid: intr_valid_state 0x%x\n",
191 	    *intr_valid_state);
192 
193 	return (DDI_SUCCESS);
194 }
195 
196 /*ARGSUSED*/
197 int
198 px_lib_intr_setvalid(dev_info_t *dip, sysino_t sysino,
199     intr_valid_state_t intr_valid_state)
200 {
201 	uint64_t	ret;
202 
203 	DBG(DBG_LIB_INT, dip, "px_lib_intr_setvalid: dip 0x%p sysino 0x%llx "
204 	    "intr_valid_state 0x%x\n", dip, sysino, intr_valid_state);
205 
206 	if ((ret = hvio_intr_setvalid(sysino, intr_valid_state)) != H_EOK) {
207 		DBG(DBG_LIB_INT, dip, "hvio_intr_setvalid failed, ret 0x%lx\n",
208 		    ret);
209 		return (DDI_FAILURE);
210 	}
211 
212 	return (DDI_SUCCESS);
213 }
214 
215 /*ARGSUSED*/
216 int
217 px_lib_intr_getstate(dev_info_t *dip, sysino_t sysino,
218     intr_state_t *intr_state)
219 {
220 	uint64_t	ret;
221 
222 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getstate: dip 0x%p sysino 0x%llx\n",
223 	    dip, sysino);
224 
225 	if ((ret = hvio_intr_getstate(sysino, (int *)intr_state)) != H_EOK) {
226 		DBG(DBG_LIB_INT, dip, "hvio_intr_getstate failed, ret 0x%lx\n",
227 		    ret);
228 		return (DDI_FAILURE);
229 	}
230 
231 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getstate: intr_state 0x%x\n",
232 	    *intr_state);
233 
234 	return (DDI_SUCCESS);
235 }
236 
237 /*ARGSUSED*/
238 int
239 px_lib_intr_setstate(dev_info_t *dip, sysino_t sysino,
240     intr_state_t intr_state)
241 {
242 	uint64_t	ret;
243 
244 	DBG(DBG_LIB_INT, dip, "px_lib_intr_setstate: dip 0x%p sysino 0x%llx "
245 	    "intr_state 0x%x\n", dip, sysino, intr_state);
246 
247 	if ((ret = hvio_intr_setstate(sysino, intr_state)) != H_EOK) {
248 		DBG(DBG_LIB_INT, dip, "hvio_intr_setstate failed, ret 0x%lx\n",
249 		    ret);
250 		return (DDI_FAILURE);
251 	}
252 
253 	return (DDI_SUCCESS);
254 }
255 
256 /*ARGSUSED*/
257 int
258 px_lib_intr_gettarget(dev_info_t *dip, sysino_t sysino, cpuid_t *cpuid)
259 {
260 	uint64_t	ret;
261 
262 	DBG(DBG_LIB_INT, dip, "px_lib_intr_gettarget: dip 0x%p sysino 0x%llx\n",
263 	    dip, sysino);
264 
265 	if ((ret = hvio_intr_gettarget(sysino, cpuid)) != H_EOK) {
266 		DBG(DBG_LIB_INT, dip,
267 		    "hvio_intr_gettarget failed, ret 0x%lx\n", ret);
268 		return (DDI_FAILURE);
269 	}
270 
271 	DBG(DBG_LIB_INT, dip, "px_lib_intr_gettarget: cpuid 0x%x\n", cpuid);
272 
273 	return (DDI_SUCCESS);
274 }
275 
276 /*ARGSUSED*/
277 int
278 px_lib_intr_settarget(dev_info_t *dip, sysino_t sysino, cpuid_t cpuid)
279 {
280 	uint64_t	ret;
281 
282 	DBG(DBG_LIB_INT, dip, "px_lib_intr_settarget: dip 0x%p sysino 0x%llx "
283 	    "cpuid 0x%x\n", dip, sysino, cpuid);
284 
285 	ret = hvio_intr_settarget(sysino, cpuid);
286 	if (ret == H_ECPUERROR) {
287 		cmn_err(CE_PANIC,
288 		    "px_lib_intr_settarget: hvio_intr_settarget failed, "
289 		    "ret = 0x%lx, cpuid = 0x%x, sysino = 0x%lx\n", ret,
290 		    cpuid, sysino);
291 	} else if (ret != H_EOK) {
292 		DBG(DBG_LIB_INT, dip,
293 		    "hvio_intr_settarget failed, ret 0x%lx\n", ret);
294 		return (DDI_FAILURE);
295 	}
296 
297 	return (DDI_SUCCESS);
298 }
299 
300 /*ARGSUSED*/
301 int
302 px_lib_intr_reset(dev_info_t *dip)
303 {
304 	px_t		*px_p = DIP_TO_STATE(dip);
305 	px_ib_t		*ib_p = px_p->px_ib_p;
306 	px_ino_t	*ino_p;
307 
308 	DBG(DBG_LIB_INT, dip, "px_lib_intr_reset: dip 0x%p\n", dip);
309 
310 	mutex_enter(&ib_p->ib_ino_lst_mutex);
311 
312 	/* Reset all Interrupts */
313 	for (ino_p = ib_p->ib_ino_lst; ino_p; ino_p = ino_p->ino_next_p) {
314 		if (px_lib_intr_setstate(dip, ino_p->ino_sysino,
315 		    INTR_IDLE_STATE) != DDI_SUCCESS)
316 			return (BF_FATAL);
317 	}
318 
319 	mutex_exit(&ib_p->ib_ino_lst_mutex);
320 
321 	return (BF_NONE);
322 }
323 
324 /*ARGSUSED*/
325 int
326 px_lib_iommu_map(dev_info_t *dip, tsbid_t tsbid, pages_t pages,
327     io_attributes_t attr, void *addr, size_t pfn_index, int flags)
328 {
329 	tsbnum_t	tsb_num = PCI_TSBID_TO_TSBNUM(tsbid);
330 	tsbindex_t	tsb_index = PCI_TSBID_TO_TSBINDEX(tsbid);
331 	io_page_list_t	*pfns, *pfn_p;
332 	pages_t		ttes_mapped = 0;
333 	int		i, err = DDI_SUCCESS;
334 
335 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: dip 0x%p tsbid 0x%llx "
336 	    "pages 0x%x attr 0x%x addr 0x%p pfn_index 0x%llx flags 0x%x\n",
337 	    dip, tsbid, pages, attr, addr, pfn_index, flags);
338 
339 	if ((pfns = pfn_p = kmem_zalloc((pages * sizeof (io_page_list_t)),
340 	    KM_NOSLEEP)) == NULL) {
341 		DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: kmem_zalloc failed\n");
342 		return (DDI_FAILURE);
343 	}
344 
345 	for (i = 0; i < pages; i++)
346 		pfns[i] = MMU_PTOB(PX_ADDR2PFN(addr, pfn_index, flags, i));
347 
348 	/*
349 	 * If HV VPCI version is 1.1 and higher, pass BDF, phantom function,
350 	 * and relaxed ordering attributes. Otherwise, pass only read or write
351 	 * attribute.
352 	 */
353 	if (px_vpci_min_ver == PX_VPCI_MINOR_VER_0)
354 		attr = attr & (PCI_MAP_ATTR_READ | PCI_MAP_ATTR_WRITE);
355 
356 	while ((ttes_mapped = pfn_p - pfns) < pages) {
357 		uintptr_t	ra = va_to_pa(pfn_p);
358 		pages_t		ttes2map;
359 		uint64_t	ret;
360 
361 		ttes2map = (MMU_PAGE_SIZE - P2PHASE(ra, MMU_PAGE_SIZE)) >> 3;
362 		ra = MMU_PTOB(MMU_BTOP(ra));
363 
364 		for (ttes2map = MIN(ttes2map, pages - ttes_mapped); ttes2map;
365 		    ttes2map -= ttes_mapped, pfn_p += ttes_mapped) {
366 
367 			ttes_mapped = 0;
368 			if ((ret = hvio_iommu_map(DIP_TO_HANDLE(dip),
369 			    PCI_TSBID(tsb_num, tsb_index + (pfn_p - pfns)),
370 			    ttes2map, attr, (io_page_list_t *)(ra |
371 			    ((uintptr_t)pfn_p & MMU_PAGE_OFFSET)),
372 			    &ttes_mapped)) != H_EOK) {
373 				DBG(DBG_LIB_DMA, dip, "hvio_iommu_map failed "
374 				    "ret 0x%lx\n", ret);
375 
376 				ttes_mapped = pfn_p - pfns;
377 				err = DDI_FAILURE;
378 				goto cleanup;
379 			}
380 
381 			DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: tsb_num 0x%x "
382 			    "tsb_index 0x%lx ttes_to_map 0x%lx attr 0x%x "
383 			    "ra 0x%p ttes_mapped 0x%x\n", tsb_num,
384 			    tsb_index + (pfn_p - pfns), ttes2map, attr,
385 			    ra | ((uintptr_t)pfn_p & MMU_PAGE_OFFSET),
386 			    ttes_mapped);
387 		}
388 	}
389 
390 cleanup:
391 	if ((err == DDI_FAILURE) && ttes_mapped)
392 		(void) px_lib_iommu_demap(dip, tsbid, ttes_mapped);
393 
394 	kmem_free(pfns, pages * sizeof (io_page_list_t));
395 	return (err);
396 }
397 
398 /*ARGSUSED*/
399 int
400 px_lib_iommu_demap(dev_info_t *dip, tsbid_t tsbid, pages_t pages)
401 {
402 	tsbnum_t	tsb_num = PCI_TSBID_TO_TSBNUM(tsbid);
403 	tsbindex_t	tsb_index = PCI_TSBID_TO_TSBINDEX(tsbid);
404 	pages_t		ttes2demap, ttes_demapped = 0;
405 	uint64_t	ret;
406 
407 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_demap: dip 0x%p tsbid 0x%llx "
408 	    "pages 0x%x\n", dip, tsbid, pages);
409 
410 	for (ttes2demap = pages; ttes2demap;
411 	    ttes2demap -= ttes_demapped, tsb_index += ttes_demapped) {
412 		if ((ret = hvio_iommu_demap(DIP_TO_HANDLE(dip),
413 		    PCI_TSBID(tsb_num, tsb_index), ttes2demap,
414 		    &ttes_demapped)) != H_EOK) {
415 			DBG(DBG_LIB_DMA, dip, "hvio_iommu_demap failed, "
416 			    "ret 0x%lx\n", ret);
417 
418 			return (DDI_FAILURE);
419 		}
420 
421 		DBG(DBG_LIB_DMA, dip, "px_lib_iommu_demap: tsb_num 0x%x "
422 		    "tsb_index 0x%lx ttes_to_demap 0x%lx ttes_demapped 0x%x\n",
423 		    tsb_num, tsb_index, ttes2demap, ttes_demapped);
424 	}
425 
426 	return (DDI_SUCCESS);
427 }
428 
429 /*ARGSUSED*/
430 int
431 px_lib_iommu_getmap(dev_info_t *dip, tsbid_t tsbid, io_attributes_t *attr_p,
432     r_addr_t *r_addr_p)
433 {
434 	uint64_t	ret;
435 
436 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getmap: dip 0x%p tsbid 0x%llx\n",
437 	    dip, tsbid);
438 
439 	if ((ret = hvio_iommu_getmap(DIP_TO_HANDLE(dip), tsbid,
440 	    attr_p, r_addr_p)) != H_EOK) {
441 		DBG(DBG_LIB_DMA, dip,
442 		    "hvio_iommu_getmap failed, ret 0x%lx\n", ret);
443 
444 		return ((ret == H_ENOMAP) ? DDI_DMA_NOMAPPING:DDI_FAILURE);
445 	}
446 
447 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getmap: attr 0x%x r_addr 0x%llx\n",
448 	    *attr_p, *r_addr_p);
449 
450 	return (DDI_SUCCESS);
451 }
452 
453 /*ARGSUSED*/
454 uint64_t
455 px_get_rng_parent_hi_mask(px_t *px_p)
456 {
457 	return (PX_RANGE_PROP_MASK);
458 }
459 
460 /*
461  * Checks dma attributes against system bypass ranges
462  * A sun4v device must be capable of generating the entire 64-bit
463  * address in order to perform bypass DMA.
464  */
465 /*ARGSUSED*/
466 int
467 px_lib_dma_bypass_rngchk(dev_info_t *dip, ddi_dma_attr_t *attr_p,
468     uint64_t *lo_p, uint64_t *hi_p)
469 {
470 	if ((attr_p->dma_attr_addr_lo != 0ull) ||
471 	    (attr_p->dma_attr_addr_hi != UINT64_MAX)) {
472 
473 		return (DDI_DMA_BADATTR);
474 	}
475 
476 	*lo_p = 0ull;
477 	*hi_p = UINT64_MAX;
478 
479 	return (DDI_SUCCESS);
480 }
481 
482 
483 /*ARGSUSED*/
484 int
485 px_lib_iommu_getbypass(dev_info_t *dip, r_addr_t ra, io_attributes_t attr,
486     io_addr_t *io_addr_p)
487 {
488 	uint64_t	ret;
489 
490 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: dip 0x%p ra 0x%llx "
491 	    "attr 0x%x\n", dip, ra, attr);
492 
493 	if ((ret = hvio_iommu_getbypass(DIP_TO_HANDLE(dip), ra,
494 	    attr, io_addr_p)) != H_EOK) {
495 		DBG(DBG_LIB_DMA, dip,
496 		    "hvio_iommu_getbypass failed, ret 0x%lx\n", ret);
497 		return (ret == H_ENOTSUPPORTED ? DDI_ENOTSUP : DDI_FAILURE);
498 	}
499 
500 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: io_addr 0x%llx\n",
501 	    *io_addr_p);
502 
503 	return (DDI_SUCCESS);
504 }
505 
506 /*ARGSUSED*/
507 int
508 px_lib_dma_sync(dev_info_t *dip, dev_info_t *rdip, ddi_dma_handle_t handle,
509 	off_t off, size_t len, uint_t cache_flags)
510 {
511 	ddi_dma_impl_t *mp = (ddi_dma_impl_t *)handle;
512 	uint64_t sync_dir;
513 	size_t bytes_synced;
514 	int end, idx;
515 	off_t pg_off;
516 	devhandle_t hdl = DIP_TO_HANDLE(dip); /* need to cache hdl */
517 
518 	DBG(DBG_LIB_DMA, dip, "px_lib_dma_sync: dip 0x%p rdip 0x%p "
519 	    "handle 0x%llx off 0x%x len 0x%x flags 0x%x\n",
520 	    dip, rdip, handle, off, len, cache_flags);
521 
522 	if (!(mp->dmai_flags & PX_DMAI_FLAGS_INUSE)) {
523 		cmn_err(CE_WARN, "%s%d: Unbound dma handle %p.",
524 		    ddi_driver_name(rdip), ddi_get_instance(rdip), (void *)mp);
525 		return (DDI_FAILURE);
526 	}
527 
528 	if (mp->dmai_flags & PX_DMAI_FLAGS_NOSYNC)
529 		return (DDI_SUCCESS);
530 
531 	if (!len)
532 		len = mp->dmai_size;
533 
534 	if (mp->dmai_rflags & DDI_DMA_READ)
535 		sync_dir = HVIO_DMA_SYNC_DIR_FROM_DEV;
536 	else
537 		sync_dir = HVIO_DMA_SYNC_DIR_TO_DEV;
538 
539 	off += mp->dmai_offset;
540 	pg_off = off & MMU_PAGEOFFSET;
541 
542 	DBG(DBG_LIB_DMA, dip, "px_lib_dma_sync: page offset %x size %x\n",
543 	    pg_off, len);
544 
545 	/* sync on page basis */
546 	end = MMU_BTOPR(off + len - 1);
547 	for (idx = MMU_BTOP(off); idx < end; idx++,
548 	    len -= bytes_synced, pg_off = 0) {
549 		size_t bytes_to_sync = bytes_to_sync =
550 		    MIN(len, MMU_PAGESIZE - pg_off);
551 
552 		if (hvio_dma_sync(hdl, MMU_PTOB(PX_GET_MP_PFN(mp, idx)) +
553 		    pg_off, bytes_to_sync, sync_dir, &bytes_synced) != H_EOK)
554 			break;
555 
556 		DBG(DBG_LIB_DMA, dip, "px_lib_dma_sync: Called hvio_dma_sync "
557 		    "ra = %p bytes to sync = %x bytes synced %x\n",
558 		    MMU_PTOB(PX_GET_MP_PFN(mp, idx)) + pg_off, bytes_to_sync,
559 		    bytes_synced);
560 
561 		if (bytes_to_sync != bytes_synced)
562 			break;
563 	}
564 
565 	return (len ? DDI_FAILURE : DDI_SUCCESS);
566 }
567 
568 
569 /*
570  * MSIQ Functions:
571  */
572 
573 /*ARGSUSED*/
574 int
575 px_lib_msiq_init(dev_info_t *dip)
576 {
577 	px_t		*px_p = DIP_TO_STATE(dip);
578 	px_msiq_state_t	*msiq_state_p = &px_p->px_ib_p->ib_msiq_state;
579 	r_addr_t	ra;
580 	size_t		msiq_size;
581 	uint_t		rec_cnt;
582 	int		i, err = DDI_SUCCESS;
583 	uint64_t	ret;
584 
585 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_init: dip 0x%p\n", dip);
586 
587 	msiq_size = msiq_state_p->msiq_rec_cnt * sizeof (msiq_rec_t);
588 
589 	for (i = 0; i < msiq_state_p->msiq_cnt; i++) {
590 		ra = (r_addr_t)va_to_pa((caddr_t)msiq_state_p->msiq_buf_p +
591 		    (i * msiq_size));
592 
593 		if ((ret = hvio_msiq_conf(DIP_TO_HANDLE(dip),
594 		    (i + msiq_state_p->msiq_1st_msiq_id),
595 		    ra, msiq_state_p->msiq_rec_cnt)) != H_EOK) {
596 			DBG(DBG_LIB_MSIQ, dip,
597 			    "hvio_msiq_conf failed, ret 0x%lx\n", ret);
598 			err = DDI_FAILURE;
599 			break;
600 		}
601 
602 		if ((err = px_lib_msiq_info(dip,
603 		    (i + msiq_state_p->msiq_1st_msiq_id),
604 		    &ra, &rec_cnt)) != DDI_SUCCESS) {
605 			DBG(DBG_LIB_MSIQ, dip,
606 			    "px_lib_msiq_info failed, ret 0x%x\n", err);
607 			err = DDI_FAILURE;
608 			break;
609 		}
610 
611 		DBG(DBG_LIB_MSIQ, dip,
612 		    "px_lib_msiq_init: ra 0x%p rec_cnt 0x%x\n", ra, rec_cnt);
613 	}
614 
615 	return (err);
616 }
617 
618 /*ARGSUSED*/
619 int
620 px_lib_msiq_fini(dev_info_t *dip)
621 {
622 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_fini: dip 0x%p\n", dip);
623 
624 	return (DDI_SUCCESS);
625 }
626 
627 /*ARGSUSED*/
628 int
629 px_lib_msiq_info(dev_info_t *dip, msiqid_t msiq_id, r_addr_t *ra_p,
630     uint_t *msiq_rec_cnt_p)
631 {
632 	uint64_t	ret;
633 
634 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: dip 0x%p msiq_id 0x%x\n",
635 	    dip, msiq_id);
636 
637 	if ((ret = hvio_msiq_info(DIP_TO_HANDLE(dip),
638 	    msiq_id, ra_p, msiq_rec_cnt_p)) != H_EOK) {
639 		DBG(DBG_LIB_MSIQ, dip,
640 		    "hvio_msiq_info failed, ret 0x%lx\n", ret);
641 		return (DDI_FAILURE);
642 	}
643 
644 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: ra_p 0x%p msiq_rec_cnt 0x%x\n",
645 	    ra_p, *msiq_rec_cnt_p);
646 
647 	return (DDI_SUCCESS);
648 }
649 
650 /*ARGSUSED*/
651 int
652 px_lib_msiq_getvalid(dev_info_t *dip, msiqid_t msiq_id,
653     pci_msiq_valid_state_t *msiq_valid_state)
654 {
655 	uint64_t	ret;
656 
657 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: dip 0x%p msiq_id 0x%x\n",
658 	    dip, msiq_id);
659 
660 	if ((ret = hvio_msiq_getvalid(DIP_TO_HANDLE(dip),
661 	    msiq_id, msiq_valid_state)) != H_EOK) {
662 		DBG(DBG_LIB_MSIQ, dip,
663 		    "hvio_msiq_getvalid failed, ret 0x%lx\n", ret);
664 		return (DDI_FAILURE);
665 	}
666 
667 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: msiq_valid_state 0x%x\n",
668 	    *msiq_valid_state);
669 
670 	return (DDI_SUCCESS);
671 }
672 
673 /*ARGSUSED*/
674 int
675 px_lib_msiq_setvalid(dev_info_t *dip, msiqid_t msiq_id,
676     pci_msiq_valid_state_t msiq_valid_state)
677 {
678 	uint64_t	ret;
679 
680 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_setvalid: dip 0x%p msiq_id 0x%x "
681 	    "msiq_valid_state 0x%x\n", dip, msiq_id, msiq_valid_state);
682 
683 	if ((ret = hvio_msiq_setvalid(DIP_TO_HANDLE(dip),
684 	    msiq_id, msiq_valid_state)) != H_EOK) {
685 		DBG(DBG_LIB_MSIQ, dip,
686 		    "hvio_msiq_setvalid failed, ret 0x%lx\n", ret);
687 		return (DDI_FAILURE);
688 	}
689 
690 	return (DDI_SUCCESS);
691 }
692 
693 /*ARGSUSED*/
694 int
695 px_lib_msiq_getstate(dev_info_t *dip, msiqid_t msiq_id,
696     pci_msiq_state_t *msiq_state)
697 {
698 	uint64_t	ret;
699 
700 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: dip 0x%p msiq_id 0x%x\n",
701 	    dip, msiq_id);
702 
703 	if ((ret = hvio_msiq_getstate(DIP_TO_HANDLE(dip),
704 	    msiq_id, msiq_state)) != H_EOK) {
705 		DBG(DBG_LIB_MSIQ, dip,
706 		    "hvio_msiq_getstate failed, ret 0x%lx\n", ret);
707 		return (DDI_FAILURE);
708 	}
709 
710 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: msiq_state 0x%x\n",
711 	    *msiq_state);
712 
713 	return (DDI_SUCCESS);
714 }
715 
716 /*ARGSUSED*/
717 int
718 px_lib_msiq_setstate(dev_info_t *dip, msiqid_t msiq_id,
719     pci_msiq_state_t msiq_state)
720 {
721 	uint64_t	ret;
722 
723 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_setstate: dip 0x%p msiq_id 0x%x "
724 	    "msiq_state 0x%x\n", dip, msiq_id, msiq_state);
725 
726 	if ((ret = hvio_msiq_setstate(DIP_TO_HANDLE(dip),
727 	    msiq_id, msiq_state)) != H_EOK) {
728 		DBG(DBG_LIB_MSIQ, dip,
729 		    "hvio_msiq_setstate failed, ret 0x%lx\n", ret);
730 		return (DDI_FAILURE);
731 	}
732 
733 	return (DDI_SUCCESS);
734 }
735 
736 /*ARGSUSED*/
737 int
738 px_lib_msiq_gethead(dev_info_t *dip, msiqid_t msiq_id,
739     msiqhead_t *msiq_head_p)
740 {
741 	uint64_t	ret;
742 
743 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gethead: dip 0x%p msiq_id 0x%x\n",
744 	    dip, msiq_id);
745 
746 	if ((ret = hvio_msiq_gethead(DIP_TO_HANDLE(dip),
747 	    msiq_id, msiq_head_p)) != H_EOK) {
748 		DBG(DBG_LIB_MSIQ, dip,
749 		    "hvio_msiq_gethead failed, ret 0x%lx\n", ret);
750 		return (DDI_FAILURE);
751 	}
752 
753 	*msiq_head_p =  (*msiq_head_p / sizeof (msiq_rec_t));
754 
755 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_gethead: msiq_head 0x%x\n",
756 	    *msiq_head_p);
757 
758 	return (DDI_SUCCESS);
759 }
760 
761 /*ARGSUSED*/
762 int
763 px_lib_msiq_sethead(dev_info_t *dip, msiqid_t msiq_id,
764     msiqhead_t msiq_head)
765 {
766 	uint64_t	ret;
767 
768 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_sethead: dip 0x%p msiq_id 0x%x "
769 	    "msiq_head 0x%x\n", dip, msiq_id, msiq_head);
770 
771 	if ((ret = hvio_msiq_sethead(DIP_TO_HANDLE(dip),
772 	    msiq_id, msiq_head * sizeof (msiq_rec_t))) != H_EOK) {
773 		DBG(DBG_LIB_MSIQ, dip,
774 		    "hvio_msiq_sethead failed, ret 0x%lx\n", ret);
775 		return (DDI_FAILURE);
776 	}
777 
778 	return (DDI_SUCCESS);
779 }
780 
781 /*ARGSUSED*/
782 int
783 px_lib_msiq_gettail(dev_info_t *dip, msiqid_t msiq_id,
784     msiqtail_t *msiq_tail_p)
785 {
786 	uint64_t	ret;
787 
788 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: dip 0x%p msiq_id 0x%x\n",
789 	    dip, msiq_id);
790 
791 	if ((ret = hvio_msiq_gettail(DIP_TO_HANDLE(dip),
792 	    msiq_id, msiq_tail_p)) != H_EOK) {
793 		DBG(DBG_LIB_MSIQ, dip,
794 		    "hvio_msiq_gettail failed, ret 0x%lx\n", ret);
795 		return (DDI_FAILURE);
796 	}
797 
798 	*msiq_tail_p =  (*msiq_tail_p / sizeof (msiq_rec_t));
799 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: msiq_tail 0x%x\n",
800 	    *msiq_tail_p);
801 
802 	return (DDI_SUCCESS);
803 }
804 
805 /*ARGSUSED*/
806 void
807 px_lib_get_msiq_rec(dev_info_t *dip, msiqhead_t *msiq_head_p,
808     msiq_rec_t *msiq_rec_p)
809 {
810 	msiq_rec_t	*curr_msiq_rec_p = (msiq_rec_t *)msiq_head_p;
811 
812 	DBG(DBG_LIB_MSIQ, dip, "px_lib_get_msiq_rec: dip 0x%p\n", dip);
813 
814 	if (!curr_msiq_rec_p->msiq_rec_type) {
815 		/* Set msiq_rec_type to zero */
816 		msiq_rec_p->msiq_rec_type = 0;
817 
818 		return;
819 	}
820 
821 	*msiq_rec_p = *curr_msiq_rec_p;
822 }
823 
824 /*ARGSUSED*/
825 void
826 px_lib_clr_msiq_rec(dev_info_t *dip, msiqhead_t *msiq_head_p)
827 {
828 	msiq_rec_t	*curr_msiq_rec_p = (msiq_rec_t *)msiq_head_p;
829 
830 	DBG(DBG_LIB_MSIQ, dip, "px_lib_clr_msiq_rec: dip 0x%p\n", dip);
831 
832 	/* Zero out msiq_rec_type field */
833 	curr_msiq_rec_p->msiq_rec_type  = 0;
834 }
835 
836 /*
837  * MSI Functions:
838  */
839 
840 /*ARGSUSED*/
841 int
842 px_lib_msi_init(dev_info_t *dip)
843 {
844 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_init: dip 0x%p\n", dip);
845 
846 	/* Noop */
847 	return (DDI_SUCCESS);
848 }
849 
850 /*ARGSUSED*/
851 int
852 px_lib_msi_getmsiq(dev_info_t *dip, msinum_t msi_num,
853     msiqid_t *msiq_id)
854 {
855 	uint64_t	ret;
856 
857 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: dip 0x%p msi_num 0x%x\n",
858 	    dip, msi_num);
859 
860 	if ((ret = hvio_msi_getmsiq(DIP_TO_HANDLE(dip),
861 	    msi_num, msiq_id)) != H_EOK) {
862 		DBG(DBG_LIB_MSI, dip,
863 		    "hvio_msi_getmsiq failed, ret 0x%lx\n", ret);
864 		return (DDI_FAILURE);
865 	}
866 
867 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: msiq_id 0x%x\n",
868 	    *msiq_id);
869 
870 	return (DDI_SUCCESS);
871 }
872 
873 /*ARGSUSED*/
874 int
875 px_lib_msi_setmsiq(dev_info_t *dip, msinum_t msi_num,
876     msiqid_t msiq_id, msi_type_t msitype)
877 {
878 	uint64_t	ret;
879 
880 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setmsiq: dip 0x%p msi_num 0x%x "
881 	    "msq_id 0x%x\n", dip, msi_num, msiq_id);
882 
883 	if ((ret = hvio_msi_setmsiq(DIP_TO_HANDLE(dip),
884 	    msi_num, msiq_id, msitype)) != H_EOK) {
885 		DBG(DBG_LIB_MSI, dip,
886 		    "hvio_msi_setmsiq failed, ret 0x%lx\n", ret);
887 		return (DDI_FAILURE);
888 	}
889 
890 	return (DDI_SUCCESS);
891 }
892 
893 /*ARGSUSED*/
894 int
895 px_lib_msi_getvalid(dev_info_t *dip, msinum_t msi_num,
896     pci_msi_valid_state_t *msi_valid_state)
897 {
898 	uint64_t	ret;
899 
900 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: dip 0x%p msi_num 0x%x\n",
901 	    dip, msi_num);
902 
903 	if ((ret = hvio_msi_getvalid(DIP_TO_HANDLE(dip),
904 	    msi_num, msi_valid_state)) != H_EOK) {
905 		DBG(DBG_LIB_MSI, dip,
906 		    "hvio_msi_getvalid failed, ret 0x%lx\n", ret);
907 		return (DDI_FAILURE);
908 	}
909 
910 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: msiq_id 0x%x\n",
911 	    *msi_valid_state);
912 
913 	return (DDI_SUCCESS);
914 }
915 
916 /*ARGSUSED*/
917 int
918 px_lib_msi_setvalid(dev_info_t *dip, msinum_t msi_num,
919     pci_msi_valid_state_t msi_valid_state)
920 {
921 	uint64_t	ret;
922 
923 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setvalid: dip 0x%p msi_num 0x%x "
924 	    "msi_valid_state 0x%x\n", dip, msi_num, msi_valid_state);
925 
926 	if ((ret = hvio_msi_setvalid(DIP_TO_HANDLE(dip),
927 	    msi_num, msi_valid_state)) != H_EOK) {
928 		DBG(DBG_LIB_MSI, dip,
929 		    "hvio_msi_setvalid failed, ret 0x%lx\n", ret);
930 		return (DDI_FAILURE);
931 	}
932 
933 	return (DDI_SUCCESS);
934 }
935 
936 /*ARGSUSED*/
937 int
938 px_lib_msi_getstate(dev_info_t *dip, msinum_t msi_num,
939     pci_msi_state_t *msi_state)
940 {
941 	uint64_t	ret;
942 
943 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: dip 0x%p msi_num 0x%x\n",
944 	    dip, msi_num);
945 
946 	if ((ret = hvio_msi_getstate(DIP_TO_HANDLE(dip),
947 	    msi_num, msi_state)) != H_EOK) {
948 		DBG(DBG_LIB_MSI, dip,
949 		    "hvio_msi_getstate failed, ret 0x%lx\n", ret);
950 		return (DDI_FAILURE);
951 	}
952 
953 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: msi_state 0x%x\n",
954 	    *msi_state);
955 
956 	return (DDI_SUCCESS);
957 }
958 
959 /*ARGSUSED*/
960 int
961 px_lib_msi_setstate(dev_info_t *dip, msinum_t msi_num,
962     pci_msi_state_t msi_state)
963 {
964 	uint64_t	ret;
965 
966 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setstate: dip 0x%p msi_num 0x%x "
967 	    "msi_state 0x%x\n", dip, msi_num, msi_state);
968 
969 	if ((ret = hvio_msi_setstate(DIP_TO_HANDLE(dip),
970 	    msi_num, msi_state)) != H_EOK) {
971 		DBG(DBG_LIB_MSI, dip,
972 		    "hvio_msi_setstate failed, ret 0x%lx\n", ret);
973 		return (DDI_FAILURE);
974 	}
975 
976 	return (DDI_SUCCESS);
977 }
978 
979 /*
980  * MSG Functions:
981  */
982 
983 /*ARGSUSED*/
984 int
985 px_lib_msg_getmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
986     msiqid_t *msiq_id)
987 {
988 	uint64_t	ret;
989 
990 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_getmsiq: dip 0x%p msg_type 0x%x\n",
991 	    dip, msg_type);
992 
993 	if ((ret = hvio_msg_getmsiq(DIP_TO_HANDLE(dip),
994 	    msg_type, msiq_id)) != H_EOK) {
995 		DBG(DBG_LIB_MSG, dip,
996 		    "hvio_msg_getmsiq failed, ret 0x%lx\n", ret);
997 		return (DDI_FAILURE);
998 	}
999 
1000 	DBG(DBG_LIB_MSI, dip, "px_lib_msg_getmsiq: msiq_id 0x%x\n",
1001 	    *msiq_id);
1002 
1003 	return (DDI_SUCCESS);
1004 }
1005 
1006 /*ARGSUSED*/
1007 int
1008 px_lib_msg_setmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
1009     msiqid_t msiq_id)
1010 {
1011 	uint64_t	ret;
1012 
1013 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_setmsiq: dip 0x%p msg_type 0x%x "
1014 	    "msq_id 0x%x\n", dip, msg_type, msiq_id);
1015 
1016 	if ((ret = hvio_msg_setmsiq(DIP_TO_HANDLE(dip),
1017 	    msg_type, msiq_id)) != H_EOK) {
1018 		DBG(DBG_LIB_MSG, dip,
1019 		    "hvio_msg_setmsiq failed, ret 0x%lx\n", ret);
1020 		return (DDI_FAILURE);
1021 	}
1022 
1023 	return (DDI_SUCCESS);
1024 }
1025 
1026 /*ARGSUSED*/
1027 int
1028 px_lib_msg_getvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
1029     pcie_msg_valid_state_t *msg_valid_state)
1030 {
1031 	uint64_t	ret;
1032 
1033 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_getvalid: dip 0x%p msg_type 0x%x\n",
1034 	    dip, msg_type);
1035 
1036 	if ((ret = hvio_msg_getvalid(DIP_TO_HANDLE(dip), msg_type,
1037 	    msg_valid_state)) != H_EOK) {
1038 		DBG(DBG_LIB_MSG, dip,
1039 		    "hvio_msg_getvalid failed, ret 0x%lx\n", ret);
1040 		return (DDI_FAILURE);
1041 	}
1042 
1043 	DBG(DBG_LIB_MSI, dip, "px_lib_msg_getvalid: msg_valid_state 0x%x\n",
1044 	    *msg_valid_state);
1045 
1046 	return (DDI_SUCCESS);
1047 }
1048 
1049 /*ARGSUSED*/
1050 int
1051 px_lib_msg_setvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
1052     pcie_msg_valid_state_t msg_valid_state)
1053 {
1054 	uint64_t	ret;
1055 
1056 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_setvalid: dip 0x%p msg_type 0x%x "
1057 	    "msg_valid_state 0x%x\n", dip, msg_type, msg_valid_state);
1058 
1059 	if ((ret = hvio_msg_setvalid(DIP_TO_HANDLE(dip), msg_type,
1060 	    msg_valid_state)) != H_EOK) {
1061 		DBG(DBG_LIB_MSG, dip,
1062 		    "hvio_msg_setvalid failed, ret 0x%lx\n", ret);
1063 		return (DDI_FAILURE);
1064 	}
1065 
1066 	return (DDI_SUCCESS);
1067 }
1068 
1069 /*
1070  * Suspend/Resume Functions:
1071  * Currently unsupported by hypervisor and all functions are noops.
1072  */
1073 /*ARGSUSED*/
1074 int
1075 px_lib_suspend(dev_info_t *dip)
1076 {
1077 	DBG(DBG_ATTACH, dip, "px_lib_suspend: Not supported\n");
1078 
1079 	/* Not supported */
1080 	return (DDI_FAILURE);
1081 }
1082 
1083 /*ARGSUSED*/
1084 void
1085 px_lib_resume(dev_info_t *dip)
1086 {
1087 	DBG(DBG_ATTACH, dip, "px_lib_resume: Not supported\n");
1088 
1089 	/* Noop */
1090 }
1091 
1092 /*
1093  * Misc Functions:
1094  * Currently unsupported by hypervisor and all functions are noops.
1095  */
1096 /*ARGSUSED*/
1097 static int
1098 px_lib_config_get(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off,
1099     uint8_t size, pci_cfg_data_t *data_p)
1100 {
1101 	uint64_t	ret;
1102 
1103 	DBG(DBG_LIB_CFG, dip, "px_lib_config_get: dip 0x%p, bdf 0x%llx "
1104 	    "off 0x%x size 0x%x\n", dip, bdf, off, size);
1105 
1106 	if ((ret = hvio_config_get(DIP_TO_HANDLE(dip), bdf, off,
1107 	    size, data_p)) != H_EOK) {
1108 		DBG(DBG_LIB_CFG, dip,
1109 		    "hvio_config_get failed, ret 0x%lx\n", ret);
1110 		return (DDI_FAILURE);
1111 	}
1112 	DBG(DBG_LIB_CFG, dip, "px_config_get: data 0x%x\n", data_p->dw);
1113 
1114 	return (DDI_SUCCESS);
1115 }
1116 
1117 /*ARGSUSED*/
1118 static int
1119 px_lib_config_put(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off,
1120     uint8_t size, pci_cfg_data_t data)
1121 {
1122 	uint64_t	ret;
1123 
1124 	DBG(DBG_LIB_CFG, dip, "px_lib_config_put: dip 0x%p, bdf 0x%llx "
1125 	    "off 0x%x size 0x%x data 0x%llx\n", dip, bdf, off, size, data.qw);
1126 
1127 	if ((ret = hvio_config_put(DIP_TO_HANDLE(dip), bdf, off,
1128 	    size, data)) != H_EOK) {
1129 		DBG(DBG_LIB_CFG, dip,
1130 		    "hvio_config_put failed, ret 0x%lx\n", ret);
1131 		return (DDI_FAILURE);
1132 	}
1133 
1134 	return (DDI_SUCCESS);
1135 }
1136 
1137 static uint32_t
1138 px_pci_config_get(ddi_acc_impl_t *handle, uint32_t *addr, int size)
1139 {
1140 	px_config_acc_pvt_t *px_pvt = (px_config_acc_pvt_t *)
1141 	    handle->ahi_common.ah_bus_private;
1142 	uint32_t pci_dev_addr = px_pvt->raddr;
1143 	uint32_t vaddr = px_pvt->vaddr;
1144 	uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff;
1145 	uint32_t rdata = 0;
1146 
1147 	if (px_lib_config_get(px_pvt->dip, pci_dev_addr, off,
1148 	    size, (pci_cfg_data_t *)&rdata) != DDI_SUCCESS)
1149 		/* XXX update error kstats */
1150 		return (0xffffffff);
1151 	return (rdata);
1152 }
1153 
1154 static void
1155 px_pci_config_put(ddi_acc_impl_t *handle, uint32_t *addr,
1156 		int size, pci_cfg_data_t wdata)
1157 {
1158 	px_config_acc_pvt_t *px_pvt = (px_config_acc_pvt_t *)
1159 	    handle->ahi_common.ah_bus_private;
1160 	uint32_t pci_dev_addr = px_pvt->raddr;
1161 	uint32_t vaddr = px_pvt->vaddr;
1162 	uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff;
1163 
1164 	if (px_lib_config_put(px_pvt->dip, pci_dev_addr, off,
1165 	    size, wdata) != DDI_SUCCESS) {
1166 		/*EMPTY*/
1167 		/* XXX update error kstats */
1168 	}
1169 }
1170 
1171 static uint8_t
1172 px_pci_config_get8(ddi_acc_impl_t *handle, uint8_t *addr)
1173 {
1174 	return ((uint8_t)px_pci_config_get(handle, (uint32_t *)addr, 1));
1175 }
1176 
1177 static uint16_t
1178 px_pci_config_get16(ddi_acc_impl_t *handle, uint16_t *addr)
1179 {
1180 	return ((uint16_t)px_pci_config_get(handle, (uint32_t *)addr, 2));
1181 }
1182 
1183 static uint32_t
1184 px_pci_config_get32(ddi_acc_impl_t *handle, uint32_t *addr)
1185 {
1186 	return ((uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4));
1187 }
1188 
1189 static uint64_t
1190 px_pci_config_get64(ddi_acc_impl_t *handle, uint64_t *addr)
1191 {
1192 	uint32_t rdatah, rdatal;
1193 
1194 	rdatal = (uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4);
1195 	rdatah = (uint32_t)px_pci_config_get(handle,
1196 	    (uint32_t *)((char *)addr+4), 4);
1197 	return (((uint64_t)rdatah << 32) | rdatal);
1198 }
1199 
1200 static void
1201 px_pci_config_put8(ddi_acc_impl_t *handle, uint8_t *addr, uint8_t data)
1202 {
1203 	pci_cfg_data_t wdata = { 0 };
1204 
1205 	wdata.qw = (uint8_t)data;
1206 	px_pci_config_put(handle, (uint32_t *)addr, 1, wdata);
1207 }
1208 
1209 static void
1210 px_pci_config_put16(ddi_acc_impl_t *handle, uint16_t *addr, uint16_t data)
1211 {
1212 	pci_cfg_data_t wdata = { 0 };
1213 
1214 	wdata.qw = (uint16_t)data;
1215 	px_pci_config_put(handle, (uint32_t *)addr, 2, wdata);
1216 }
1217 
1218 static void
1219 px_pci_config_put32(ddi_acc_impl_t *handle, uint32_t *addr, uint32_t data)
1220 {
1221 	pci_cfg_data_t wdata = { 0 };
1222 
1223 	wdata.qw = (uint32_t)data;
1224 	px_pci_config_put(handle, (uint32_t *)addr, 4, wdata);
1225 }
1226 
1227 static void
1228 px_pci_config_put64(ddi_acc_impl_t *handle, uint64_t *addr, uint64_t data)
1229 {
1230 	pci_cfg_data_t wdata = { 0 };
1231 
1232 	wdata.qw = (uint32_t)(data & 0xffffffff);
1233 	px_pci_config_put(handle, (uint32_t *)addr, 4, wdata);
1234 	wdata.qw = (uint32_t)((data >> 32) & 0xffffffff);
1235 	px_pci_config_put(handle, (uint32_t *)((char *)addr+4), 4, wdata);
1236 }
1237 
1238 static void
1239 px_pci_config_rep_get8(ddi_acc_impl_t *handle, uint8_t *host_addr,
1240 			uint8_t *dev_addr, size_t repcount, uint_t flags)
1241 {
1242 	if (flags == DDI_DEV_AUTOINCR)
1243 		for (; repcount; repcount--)
1244 			*host_addr++ = px_pci_config_get8(handle, dev_addr++);
1245 	else
1246 		for (; repcount; repcount--)
1247 			*host_addr++ = px_pci_config_get8(handle, dev_addr);
1248 }
1249 
1250 /*
1251  * Function to rep read 16 bit data off the PCI configuration space behind
1252  * the 21554's host interface.
1253  */
1254 static void
1255 px_pci_config_rep_get16(ddi_acc_impl_t *handle, uint16_t *host_addr,
1256 			uint16_t *dev_addr, size_t repcount, uint_t flags)
1257 {
1258 	if (flags == DDI_DEV_AUTOINCR)
1259 		for (; repcount; repcount--)
1260 			*host_addr++ = px_pci_config_get16(handle, dev_addr++);
1261 	else
1262 		for (; repcount; repcount--)
1263 			*host_addr++ = px_pci_config_get16(handle, dev_addr);
1264 }
1265 
1266 /*
1267  * Function to rep read 32 bit data off the PCI configuration space behind
1268  * the 21554's host interface.
1269  */
1270 static void
1271 px_pci_config_rep_get32(ddi_acc_impl_t *handle, uint32_t *host_addr,
1272 			uint32_t *dev_addr, size_t repcount, uint_t flags)
1273 {
1274 	if (flags == DDI_DEV_AUTOINCR)
1275 		for (; repcount; repcount--)
1276 			*host_addr++ = px_pci_config_get32(handle, dev_addr++);
1277 	else
1278 		for (; repcount; repcount--)
1279 			*host_addr++ = px_pci_config_get32(handle, dev_addr);
1280 }
1281 
1282 /*
1283  * Function to rep read 64 bit data off the PCI configuration space behind
1284  * the 21554's host interface.
1285  */
1286 static void
1287 px_pci_config_rep_get64(ddi_acc_impl_t *handle, uint64_t *host_addr,
1288 			uint64_t *dev_addr, size_t repcount, uint_t flags)
1289 {
1290 	if (flags == DDI_DEV_AUTOINCR)
1291 		for (; repcount; repcount--)
1292 			*host_addr++ = px_pci_config_get64(handle, dev_addr++);
1293 	else
1294 		for (; repcount; repcount--)
1295 			*host_addr++ = px_pci_config_get64(handle, dev_addr);
1296 }
1297 
1298 /*
1299  * Function to rep write 8 bit data into the PCI configuration space behind
1300  * the 21554's host interface.
1301  */
1302 static void
1303 px_pci_config_rep_put8(ddi_acc_impl_t *handle, uint8_t *host_addr,
1304 			uint8_t *dev_addr, size_t repcount, uint_t flags)
1305 {
1306 	if (flags == DDI_DEV_AUTOINCR)
1307 		for (; repcount; repcount--)
1308 			px_pci_config_put8(handle, dev_addr++, *host_addr++);
1309 	else
1310 		for (; repcount; repcount--)
1311 			px_pci_config_put8(handle, dev_addr, *host_addr++);
1312 }
1313 
1314 /*
1315  * Function to rep write 16 bit data into the PCI configuration space behind
1316  * the 21554's host interface.
1317  */
1318 static void
1319 px_pci_config_rep_put16(ddi_acc_impl_t *handle, uint16_t *host_addr,
1320 			uint16_t *dev_addr, size_t repcount, uint_t flags)
1321 {
1322 	if (flags == DDI_DEV_AUTOINCR)
1323 		for (; repcount; repcount--)
1324 			px_pci_config_put16(handle, dev_addr++, *host_addr++);
1325 	else
1326 		for (; repcount; repcount--)
1327 			px_pci_config_put16(handle, dev_addr, *host_addr++);
1328 }
1329 
1330 /*
1331  * Function to rep write 32 bit data into the PCI configuration space behind
1332  * the 21554's host interface.
1333  */
1334 static void
1335 px_pci_config_rep_put32(ddi_acc_impl_t *handle, uint32_t *host_addr,
1336 			uint32_t *dev_addr, size_t repcount, uint_t flags)
1337 {
1338 	if (flags == DDI_DEV_AUTOINCR)
1339 		for (; repcount; repcount--)
1340 			px_pci_config_put32(handle, dev_addr++, *host_addr++);
1341 	else
1342 		for (; repcount; repcount--)
1343 			px_pci_config_put32(handle, dev_addr, *host_addr++);
1344 }
1345 
1346 /*
1347  * Function to rep write 64 bit data into the PCI configuration space behind
1348  * the 21554's host interface.
1349  */
1350 static void
1351 px_pci_config_rep_put64(ddi_acc_impl_t *handle, uint64_t *host_addr,
1352 			uint64_t *dev_addr, size_t repcount, uint_t flags)
1353 {
1354 	if (flags == DDI_DEV_AUTOINCR)
1355 		for (; repcount; repcount--)
1356 			px_pci_config_put64(handle, dev_addr++, *host_addr++);
1357 	else
1358 		for (; repcount; repcount--)
1359 			px_pci_config_put64(handle, dev_addr, *host_addr++);
1360 }
1361 
1362 /*
1363  * Provide a private access handle to route config access calls to Hypervisor.
1364  * Beware: Do all error checking for config space accesses before calling
1365  * this function. ie. do error checking from the calling function.
1366  * Due to a lack of meaningful error code in DDI, the gauranteed return of
1367  * DDI_SUCCESS from here makes the code organization readable/easier from
1368  * the generic code.
1369  */
1370 /*ARGSUSED*/
1371 int
1372 px_lib_map_vconfig(dev_info_t *dip,
1373 	ddi_map_req_t *mp, pci_config_offset_t off,
1374 	pci_regspec_t *rp, caddr_t *addrp)
1375 {
1376 	int fmcap;
1377 	ndi_err_t *errp;
1378 	on_trap_data_t *otp;
1379 	ddi_acc_hdl_t *hp;
1380 	ddi_acc_impl_t *ap;
1381 	uchar_t busnum;	/* bus number */
1382 	uchar_t devnum;	/* device number */
1383 	uchar_t funcnum; /* function number */
1384 	px_config_acc_pvt_t *px_pvt;
1385 
1386 	hp = (ddi_acc_hdl_t *)mp->map_handlep;
1387 	ap = (ddi_acc_impl_t *)hp->ah_platform_private;
1388 
1389 	/* Check for mapping teardown operation */
1390 	if ((mp->map_op == DDI_MO_UNMAP) ||
1391 	    (mp->map_op == DDI_MO_UNLOCK)) {
1392 		/* free up memory allocated for the private access handle. */
1393 		px_pvt = (px_config_acc_pvt_t *)hp->ah_bus_private;
1394 		kmem_free((void *)px_pvt, sizeof (px_config_acc_pvt_t));
1395 
1396 		/* unmap operation of PCI IO/config space. */
1397 		return (DDI_SUCCESS);
1398 	}
1399 
1400 	fmcap = ddi_fm_capable(dip);
1401 	if (DDI_FM_ACC_ERR_CAP(fmcap)) {
1402 		errp = ((ddi_acc_impl_t *)hp)->ahi_err;
1403 		otp = (on_trap_data_t *)errp->err_ontrap;
1404 		otp->ot_handle = (void *)(hp);
1405 		otp->ot_prot = OT_DATA_ACCESS;
1406 		errp->err_status = DDI_FM_OK;
1407 		errp->err_expected = DDI_FM_ERR_UNEXPECTED;
1408 		errp->err_cf = px_err_cfg_hdl_check;
1409 	}
1410 
1411 	ap->ahi_get8 = px_pci_config_get8;
1412 	ap->ahi_get16 = px_pci_config_get16;
1413 	ap->ahi_get32 = px_pci_config_get32;
1414 	ap->ahi_get64 = px_pci_config_get64;
1415 	ap->ahi_put8 = px_pci_config_put8;
1416 	ap->ahi_put16 = px_pci_config_put16;
1417 	ap->ahi_put32 = px_pci_config_put32;
1418 	ap->ahi_put64 = px_pci_config_put64;
1419 	ap->ahi_rep_get8 = px_pci_config_rep_get8;
1420 	ap->ahi_rep_get16 = px_pci_config_rep_get16;
1421 	ap->ahi_rep_get32 = px_pci_config_rep_get32;
1422 	ap->ahi_rep_get64 = px_pci_config_rep_get64;
1423 	ap->ahi_rep_put8 = px_pci_config_rep_put8;
1424 	ap->ahi_rep_put16 = px_pci_config_rep_put16;
1425 	ap->ahi_rep_put32 = px_pci_config_rep_put32;
1426 	ap->ahi_rep_put64 = px_pci_config_rep_put64;
1427 
1428 	/* Initialize to default check/notify functions */
1429 	ap->ahi_fault = 0;
1430 	ap->ahi_fault_check = i_ddi_acc_fault_check;
1431 	ap->ahi_fault_notify = i_ddi_acc_fault_notify;
1432 
1433 	/* allocate memory for our private handle */
1434 	px_pvt = (px_config_acc_pvt_t *)
1435 	    kmem_zalloc(sizeof (px_config_acc_pvt_t), KM_SLEEP);
1436 	hp->ah_bus_private = (void *)px_pvt;
1437 
1438 	busnum = PCI_REG_BUS_G(rp->pci_phys_hi);
1439 	devnum = PCI_REG_DEV_G(rp->pci_phys_hi);
1440 	funcnum = PCI_REG_FUNC_G(rp->pci_phys_hi);
1441 
1442 	/* set up private data for use during IO routines */
1443 
1444 	/* addr needed by the HV APIs */
1445 	px_pvt->raddr = busnum << 16 | devnum << 11 | funcnum << 8;
1446 	/*
1447 	 * Address that specifies the actual offset into the 256MB
1448 	 * memory mapped configuration space, 4K per device.
1449 	 * First 12bits form the offset into 4K config space.
1450 	 * This address is only used during the IO routines to calculate
1451 	 * the offset at which the transaction must be performed.
1452 	 * Drivers bypassing DDI functions to access PCI config space will
1453 	 * panic the system since the following is a bogus virtual address.
1454 	 */
1455 	px_pvt->vaddr = busnum << 20 | devnum << 15 | funcnum << 12 | off;
1456 	px_pvt->dip = dip;
1457 
1458 	DBG(DBG_LIB_CFG, dip, "px_config_setup: raddr 0x%x, vaddr 0x%x\n",
1459 	    px_pvt->raddr, px_pvt->vaddr);
1460 	*addrp = (caddr_t)(uintptr_t)px_pvt->vaddr;
1461 	return (DDI_SUCCESS);
1462 }
1463 
1464 /*ARGSUSED*/
1465 void
1466 px_lib_map_attr_check(ddi_map_req_t *mp)
1467 {
1468 }
1469 
1470 /*
1471  * px_lib_log_safeacc_err:
1472  * Imitate a cpu/mem trap call when a peek/poke fails.
1473  * This will initiate something similar to px_fm_callback.
1474  */
1475 static void
1476 px_lib_log_safeacc_err(px_t *px_p, ddi_acc_handle_t handle, int fme_flag,
1477     r_addr_t addr)
1478 {
1479 	uint32_t	addr_high, addr_low;
1480 	pcie_req_id_t	bdf;
1481 	px_ranges_t	*ranges_p;
1482 	int		range_len, i;
1483 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)handle;
1484 	ddi_fm_error_t derr;
1485 
1486 	derr.fme_status = DDI_FM_NONFATAL;
1487 	derr.fme_version = DDI_FME_VERSION;
1488 	derr.fme_flag = fme_flag;
1489 	derr.fme_ena = fm_ena_generate(0, FM_ENA_FMT1);
1490 	derr.fme_acc_handle = handle;
1491 	if (hp)
1492 		hp->ahi_err->err_expected = DDI_FM_ERR_EXPECTED;
1493 
1494 	addr_high = (uint32_t)(addr >> 32);
1495 	addr_low = (uint32_t)addr;
1496 
1497 	/*
1498 	 * Make sure this failed load came from this PCIe port.  Check by
1499 	 * matching the upper 32 bits of the address with the ranges property.
1500 	 */
1501 	range_len = px_p->px_ranges_length / sizeof (px_ranges_t);
1502 	i = 0;
1503 	for (ranges_p = px_p->px_ranges_p; i < range_len; i++, ranges_p++) {
1504 		if (ranges_p->parent_high == addr_high) {
1505 			switch (ranges_p->child_high & PCI_ADDR_MASK) {
1506 			case PCI_ADDR_CONFIG:
1507 				bdf = (pcie_req_id_t)(addr_low >> 12);
1508 				break;
1509 			default:
1510 				bdf = NULL;
1511 				break;
1512 			}
1513 			break;
1514 		}
1515 	}
1516 
1517 	px_rp_en_q(px_p, bdf, addr, NULL);
1518 
1519 	if (px_fm_enter(px_p) == DDI_SUCCESS) {
1520 		(void) px_scan_fabric(px_p, px_p->px_dip, &derr);
1521 		px_fm_exit(px_p);
1522 	}
1523 }
1524 
1525 
1526 #ifdef  DEBUG
1527 int	px_peekfault_cnt = 0;
1528 int	px_pokefault_cnt = 0;
1529 #endif  /* DEBUG */
1530 
1531 /*
1532  * Do a safe write to a device.
1533  *
1534  * When this function is given a handle (cautious access), all errors are
1535  * suppressed.
1536  *
1537  * When this function is not given a handle (poke), only Unsupported Request
1538  * and Completer Abort errors are suppressed.
1539  *
1540  * In all cases, all errors are returned in the function return status.
1541  */
1542 
1543 int
1544 px_lib_ctlops_poke(dev_info_t *dip, dev_info_t *rdip,
1545     peekpoke_ctlops_t *in_args)
1546 {
1547 	px_t *px_p = DIP_TO_STATE(dip);
1548 	px_pec_t *pec_p = px_p->px_pec_p;
1549 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle;
1550 
1551 	size_t repcount = in_args->repcount;
1552 	size_t size = in_args->size;
1553 	uintptr_t dev_addr = in_args->dev_addr;
1554 	uintptr_t host_addr = in_args->host_addr;
1555 
1556 	int err	= DDI_SUCCESS;
1557 	uint64_t hvio_poke_status;
1558 	uint32_t wrt_stat;
1559 
1560 	r_addr_t ra;
1561 	uint64_t pokeval;
1562 	pcie_req_id_t bdf;
1563 
1564 	ra = (r_addr_t)va_to_pa((void *)dev_addr);
1565 	for (; repcount; repcount--) {
1566 
1567 		switch (size) {
1568 		case sizeof (uint8_t):
1569 			pokeval = *(uint8_t *)host_addr;
1570 			break;
1571 		case sizeof (uint16_t):
1572 			pokeval = *(uint16_t *)host_addr;
1573 			break;
1574 		case sizeof (uint32_t):
1575 			pokeval = *(uint32_t *)host_addr;
1576 			break;
1577 		case sizeof (uint64_t):
1578 			pokeval = *(uint64_t *)host_addr;
1579 			break;
1580 		default:
1581 			DBG(DBG_MAP, px_p->px_dip,
1582 			    "poke: invalid size %d passed\n", size);
1583 			err = DDI_FAILURE;
1584 			goto done;
1585 		}
1586 
1587 		/*
1588 		 * Grab pokefault mutex since hypervisor does not guarantee
1589 		 * poke serialization.
1590 		 */
1591 		if (hp) {
1592 			i_ndi_busop_access_enter(hp->ahi_common.ah_dip,
1593 			    (ddi_acc_handle_t)hp);
1594 			pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED;
1595 		} else {
1596 			mutex_enter(&pec_p->pec_pokefault_mutex);
1597 			pec_p->pec_safeacc_type = DDI_FM_ERR_POKE;
1598 		}
1599 
1600 		if (pcie_get_bdf_from_dip(rdip, &bdf) != DDI_SUCCESS) {
1601 			err = DDI_FAILURE;
1602 			goto done;
1603 		}
1604 
1605 		hvio_poke_status = hvio_poke(px_p->px_dev_hdl, ra, size,
1606 		    pokeval, bdf << 8, &wrt_stat);
1607 
1608 		if ((hvio_poke_status != H_EOK) || (wrt_stat != H_EOK)) {
1609 			err = DDI_FAILURE;
1610 #ifdef  DEBUG
1611 			px_pokefault_cnt++;
1612 #endif
1613 			/*
1614 			 * For CAUTIOUS and POKE access, notify FMA to
1615 			 * cleanup.  Imitate a cpu/mem trap call like in sun4u.
1616 			 */
1617 			px_lib_log_safeacc_err(px_p, (ddi_acc_handle_t)hp,
1618 			    (hp ? DDI_FM_ERR_EXPECTED :
1619 			    DDI_FM_ERR_POKE), ra);
1620 
1621 			pec_p->pec_ontrap_data = NULL;
1622 			pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1623 			if (hp) {
1624 				i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1625 				    (ddi_acc_handle_t)hp);
1626 			} else {
1627 				mutex_exit(&pec_p->pec_pokefault_mutex);
1628 			}
1629 			goto done;
1630 		}
1631 
1632 		pec_p->pec_ontrap_data = NULL;
1633 		pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1634 		if (hp) {
1635 			i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1636 			    (ddi_acc_handle_t)hp);
1637 		} else {
1638 			mutex_exit(&pec_p->pec_pokefault_mutex);
1639 		}
1640 
1641 		host_addr += size;
1642 
1643 		if (in_args->flags == DDI_DEV_AUTOINCR) {
1644 			dev_addr += size;
1645 			ra = (r_addr_t)va_to_pa((void *)dev_addr);
1646 		}
1647 	}
1648 
1649 done:
1650 	return (err);
1651 }
1652 
1653 
1654 /*ARGSUSED*/
1655 int
1656 px_lib_ctlops_peek(dev_info_t *dip, dev_info_t *rdip,
1657     peekpoke_ctlops_t *in_args, void *result)
1658 {
1659 	px_t *px_p = DIP_TO_STATE(dip);
1660 	px_pec_t *pec_p = px_p->px_pec_p;
1661 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle;
1662 
1663 	size_t repcount = in_args->repcount;
1664 	uintptr_t dev_addr = in_args->dev_addr;
1665 	uintptr_t host_addr = in_args->host_addr;
1666 
1667 	r_addr_t ra;
1668 	uint32_t read_status;
1669 	uint64_t hvio_peek_status;
1670 	uint64_t peekval;
1671 	int err = DDI_SUCCESS;
1672 
1673 	result = (void *)in_args->host_addr;
1674 
1675 	ra = (r_addr_t)va_to_pa((void *)dev_addr);
1676 	for (; repcount; repcount--) {
1677 
1678 		/* Lock pokefault mutex so read doesn't mask a poke fault. */
1679 		if (hp) {
1680 			i_ndi_busop_access_enter(hp->ahi_common.ah_dip,
1681 			    (ddi_acc_handle_t)hp);
1682 			pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED;
1683 		} else {
1684 			mutex_enter(&pec_p->pec_pokefault_mutex);
1685 			pec_p->pec_safeacc_type = DDI_FM_ERR_PEEK;
1686 		}
1687 
1688 		hvio_peek_status = hvio_peek(px_p->px_dev_hdl, ra,
1689 		    in_args->size, &read_status, &peekval);
1690 
1691 		if ((hvio_peek_status != H_EOK) || (read_status != H_EOK)) {
1692 			err = DDI_FAILURE;
1693 
1694 			/*
1695 			 * For CAUTIOUS and PEEK access, notify FMA to
1696 			 * cleanup.  Imitate a cpu/mem trap call like in sun4u.
1697 			 */
1698 			px_lib_log_safeacc_err(px_p, (ddi_acc_handle_t)hp,
1699 			    (hp ? DDI_FM_ERR_EXPECTED :
1700 			    DDI_FM_ERR_PEEK), ra);
1701 
1702 			/* Stuff FFs in host addr if peek. */
1703 			if (hp == NULL) {
1704 				int i;
1705 				uint8_t *ff_addr = (uint8_t *)host_addr;
1706 				for (i = 0; i < in_args->size; i++)
1707 					*ff_addr++ = 0xff;
1708 			}
1709 #ifdef  DEBUG
1710 			px_peekfault_cnt++;
1711 #endif
1712 			pec_p->pec_ontrap_data = NULL;
1713 			pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1714 			if (hp) {
1715 				i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1716 				    (ddi_acc_handle_t)hp);
1717 			} else {
1718 				mutex_exit(&pec_p->pec_pokefault_mutex);
1719 			}
1720 			goto done;
1721 
1722 		}
1723 		pec_p->pec_ontrap_data = NULL;
1724 		pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1725 		if (hp) {
1726 			i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1727 			    (ddi_acc_handle_t)hp);
1728 		} else {
1729 			mutex_exit(&pec_p->pec_pokefault_mutex);
1730 		}
1731 
1732 		switch (in_args->size) {
1733 		case sizeof (uint8_t):
1734 			*(uint8_t *)host_addr = (uint8_t)peekval;
1735 			break;
1736 		case sizeof (uint16_t):
1737 			*(uint16_t *)host_addr = (uint16_t)peekval;
1738 			break;
1739 		case sizeof (uint32_t):
1740 			*(uint32_t *)host_addr = (uint32_t)peekval;
1741 			break;
1742 		case sizeof (uint64_t):
1743 			*(uint64_t *)host_addr = (uint64_t)peekval;
1744 			break;
1745 		default:
1746 			DBG(DBG_MAP, px_p->px_dip,
1747 			    "peek: invalid size %d passed\n",
1748 			    in_args->size);
1749 			err = DDI_FAILURE;
1750 			goto done;
1751 		}
1752 
1753 		host_addr += in_args->size;
1754 
1755 		if (in_args->flags == DDI_DEV_AUTOINCR) {
1756 			dev_addr += in_args->size;
1757 			ra = (r_addr_t)va_to_pa((void *)dev_addr);
1758 		}
1759 	}
1760 done:
1761 	return (err);
1762 }
1763 
1764 
1765 /* add interrupt vector */
1766 int
1767 px_err_add_intr(px_fault_t *px_fault_p)
1768 {
1769 	px_t	*px_p = DIP_TO_STATE(px_fault_p->px_fh_dip);
1770 
1771 	DBG(DBG_LIB_INT, px_p->px_dip,
1772 	    "px_err_add_intr: calling add_ivintr");
1773 
1774 	VERIFY(add_ivintr(px_fault_p->px_fh_sysino, PX_ERR_PIL,
1775 	    (intrfunc)px_fault_p->px_err_func, (caddr_t)px_fault_p, NULL,
1776 	    (caddr_t)&px_fault_p->px_intr_payload[0]) == 0);
1777 
1778 	DBG(DBG_LIB_INT, px_p->px_dip,
1779 	    "px_err_add_intr: ib_intr_enable ");
1780 
1781 	px_ib_intr_enable(px_p, intr_dist_cpuid(), px_fault_p->px_intr_ino);
1782 
1783 	return (DDI_SUCCESS);
1784 }
1785 
1786 /* remove interrupt vector */
1787 void
1788 px_err_rem_intr(px_fault_t *px_fault_p)
1789 {
1790 	px_t	*px_p = DIP_TO_STATE(px_fault_p->px_fh_dip);
1791 
1792 	px_ib_intr_disable(px_p->px_ib_p, px_fault_p->px_intr_ino,
1793 	    IB_INTR_WAIT);
1794 
1795 	VERIFY(rem_ivintr(px_fault_p->px_fh_sysino, PX_ERR_PIL) == 0);
1796 }
1797 
1798 void
1799 px_cb_intr_redist(void *arg)
1800 {
1801 	px_t	*px_p = (px_t *)arg;
1802 	px_ib_intr_dist_en(px_p->px_dip, intr_dist_cpuid(),
1803 	    px_p->px_inos[PX_INTR_XBC], B_FALSE);
1804 }
1805 
1806 int
1807 px_cb_add_intr(px_fault_t *f_p)
1808 {
1809 	px_t	*px_p = DIP_TO_STATE(f_p->px_fh_dip);
1810 
1811 	DBG(DBG_LIB_INT, px_p->px_dip,
1812 	    "px_err_add_intr: calling add_ivintr");
1813 
1814 	VERIFY(add_ivintr(f_p->px_fh_sysino, PX_ERR_PIL,
1815 	    (intrfunc)f_p->px_err_func, (caddr_t)f_p, NULL,
1816 	    (caddr_t)&f_p->px_intr_payload[0]) == 0);
1817 
1818 	intr_dist_add(px_cb_intr_redist, px_p);
1819 
1820 	DBG(DBG_LIB_INT, px_p->px_dip,
1821 	    "px_err_add_intr: ib_intr_enable ");
1822 
1823 	px_ib_intr_enable(px_p, intr_dist_cpuid(), f_p->px_intr_ino);
1824 
1825 	return (DDI_SUCCESS);
1826 }
1827 
1828 void
1829 px_cb_rem_intr(px_fault_t *f_p)
1830 {
1831 	intr_dist_rem(px_cb_intr_redist, DIP_TO_STATE(f_p->px_fh_dip));
1832 	px_err_rem_intr(f_p);
1833 }
1834 
1835 #ifdef FMA
1836 void
1837 px_fill_rc_status(px_fault_t *px_fault_p, pciex_rc_error_regs_t *rc_status)
1838 {
1839 	px_pec_err_t	*err_pkt;
1840 
1841 	err_pkt = (px_pec_err_t *)px_fault_p->px_intr_payload;
1842 
1843 	/* initialise all the structure members */
1844 	rc_status->status_valid = 0;
1845 
1846 	if (err_pkt->pec_descr.P) {
1847 		/* PCI Status Register */
1848 		rc_status->pci_err_status = err_pkt->pci_err_status;
1849 		rc_status->status_valid |= PCI_ERR_STATUS_VALID;
1850 	}
1851 
1852 	if (err_pkt->pec_descr.E) {
1853 		/* PCIe Status Register */
1854 		rc_status->pcie_err_status = err_pkt->pcie_err_status;
1855 		rc_status->status_valid |= PCIE_ERR_STATUS_VALID;
1856 	}
1857 
1858 	if (err_pkt->pec_descr.U) {
1859 		rc_status->ue_status = err_pkt->ue_reg_status;
1860 		rc_status->status_valid |= UE_STATUS_VALID;
1861 	}
1862 
1863 	if (err_pkt->pec_descr.H) {
1864 		rc_status->ue_hdr1 = err_pkt->hdr[0];
1865 		rc_status->status_valid |= UE_HDR1_VALID;
1866 	}
1867 
1868 	if (err_pkt->pec_descr.I) {
1869 		rc_status->ue_hdr2 = err_pkt->hdr[1];
1870 		rc_status->status_valid |= UE_HDR2_VALID;
1871 	}
1872 
1873 	/* ue_fst_err_ptr - not available for sun4v?? */
1874 
1875 
1876 	if (err_pkt->pec_descr.S) {
1877 		rc_status->source_id = err_pkt->err_src_reg;
1878 		rc_status->status_valid |= SOURCE_ID_VALID;
1879 	}
1880 
1881 	if (err_pkt->pec_descr.R) {
1882 		rc_status->root_err_status = err_pkt->root_err_status;
1883 		rc_status->status_valid |= CE_STATUS_VALID;
1884 	}
1885 }
1886 #endif
1887 
1888 /*ARGSUSED*/
1889 int
1890 px_lib_pmctl(int cmd, px_t *px_p)
1891 {
1892 	return (DDI_FAILURE);
1893 }
1894 
1895 /*ARGSUSED*/
1896 uint_t
1897 px_pmeq_intr(caddr_t arg)
1898 {
1899 	return (DDI_INTR_CLAIMED);
1900 }
1901 
1902 /*
1903  * Unprotected raw reads/writes of fabric device's config space.
1904  * Only used for temporary PCI-E Fabric Error Handling.
1905  */
1906 uint32_t
1907 px_fab_get(px_t *px_p, pcie_req_id_t bdf, uint16_t offset) {
1908 	uint32_t 	data = 0;
1909 
1910 	(void) hvio_config_get(px_p->px_dev_hdl,
1911 	    (bdf << PX_RA_BDF_SHIFT), offset, 4,
1912 	    (pci_cfg_data_t *)&data);
1913 
1914 	return (data);
1915 }
1916 
1917 void
1918 px_fab_set(px_t *px_p, pcie_req_id_t bdf, uint16_t offset,
1919     uint32_t val) {
1920 	pci_cfg_data_t	wdata = { 0 };
1921 
1922 	wdata.qw = (uint32_t)val;
1923 	(void) hvio_config_put(px_p->px_dev_hdl,
1924 	    (bdf << PX_RA_BDF_SHIFT), offset, 4, wdata);
1925 }
1926 
1927 /*ARGSUSED*/
1928 int
1929 px_lib_hotplug_init(dev_info_t *dip, void *arg)
1930 {
1931 	return (DDI_ENOTSUP);
1932 }
1933 
1934 /*ARGSUSED*/
1935 void
1936 px_lib_hotplug_uninit(dev_info_t *dip)
1937 {
1938 }
1939 
1940 /*ARGSUSED*/
1941 void
1942 px_hp_intr_redist(px_t *px_p)
1943 {
1944 }
1945 
1946 /* Dummy cpr add callback */
1947 /*ARGSUSED*/
1948 void
1949 px_cpr_add_callb(px_t *px_p)
1950 {
1951 }
1952 
1953 /* Dummy cpr rem callback */
1954 /*ARGSUSED*/
1955 void
1956 px_cpr_rem_callb(px_t *px_p)
1957 {
1958 }
1959 
1960 /*ARGSUSED*/
1961 boolean_t
1962 px_lib_is_in_drain_state(px_t *px_p)
1963 {
1964 	return (B_FALSE);
1965 }
1966 
1967 /*
1968  * There is no IOAPI to get the BDF of the pcie root port nexus at this moment.
1969  * Assume it is 0x0000, until otherwise noted.  For now, all sun4v platforms
1970  * have programmed the BDF to be 0x0000.
1971  */
1972 /*ARGSUSED*/
1973 pcie_req_id_t
1974 px_lib_get_bdf(px_t *px_p)
1975 {
1976 	return (0x0000);
1977 }
1978