xref: /titanic_51/usr/src/uts/sun4v/io/px/px_lib4v.c (revision 27c48ed935c6a5f6015c6534b98e3090b1ddfdb6)
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 2007 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include <sys/types.h>
29 #include <sys/sysmacros.h>
30 #include <sys/ddi.h>
31 #include <sys/async.h>
32 #include <sys/sunddi.h>
33 #include <sys/ddifm.h>
34 #include <sys/fm/protocol.h>
35 #include <sys/vmem.h>
36 #include <sys/intr.h>
37 #include <sys/ivintr.h>
38 #include <sys/errno.h>
39 #include <sys/hypervisor_api.h>
40 #include <sys/hsvc.h>
41 #include <px_obj.h>
42 #include <sys/machsystm.h>
43 #include <sys/hotplug/pci/pcihp.h>
44 #include "px_lib4v.h"
45 #include "px_err.h"
46 
47 /* mask for the ranges property in calculating the real PFN range */
48 uint_t px_ranges_phi_mask = ((1 << 28) -1);
49 
50 /*
51  * Hypervisor VPCI services information for the px nexus driver.
52  */
53 static	uint64_t	px_vpci_min_ver; /* Negotiated VPCI API minor version */
54 static	uint_t		px_vpci_users = 0; /* VPCI API users */
55 
56 static hsvc_info_t px_hsvc = {
57 	HSVC_REV_1, NULL, HSVC_GROUP_VPCI, PX_VPCI_MAJOR_VER,
58 	PX_VPCI_MINOR_VER, "PX"
59 };
60 
61 int
62 px_lib_dev_init(dev_info_t *dip, devhandle_t *dev_hdl)
63 {
64 	px_nexus_regspec_t	*rp;
65 	uint_t			reglen;
66 	int			ret;
67 
68 	DBG(DBG_ATTACH, dip, "px_lib_dev_init: dip 0x%p\n", dip);
69 
70 	ret = ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
71 	    "reg", (uchar_t **)&rp, &reglen);
72 	if (ret != DDI_PROP_SUCCESS) {
73 		DBG(DBG_ATTACH, dip, "px_lib_dev_init failed ret=%d\n", ret);
74 		return (DDI_FAILURE);
75 	}
76 
77 	/*
78 	 * Initilize device handle. The device handle uniquely identifies
79 	 * a SUN4V device. It consists of the lower 28-bits of the hi-cell
80 	 * of the first entry of the SUN4V device's "reg" property as
81 	 * defined by the SUN4V Bus Binding to Open Firmware.
82 	 */
83 	*dev_hdl = (devhandle_t)((rp->phys_addr >> 32) & DEVHDLE_MASK);
84 	ddi_prop_free(rp);
85 
86 	/*
87 	 * hotplug implementation requires this property to be associated with
88 	 * any indirect PCI config access services
89 	 */
90 	(void) ddi_prop_update_int(makedevice(ddi_driver_major(dip),
91 	    PCIHP_AP_MINOR_NUM(ddi_get_instance(dip), PCIHP_DEVCTL_MINOR)), dip,
92 	    PCI_BUS_CONF_MAP_PROP, 1);
93 
94 	DBG(DBG_ATTACH, dip, "px_lib_dev_init: dev_hdl 0x%llx\n", *dev_hdl);
95 
96 	/*
97 	 * Negotiate the API version for VPCI hypervisor services.
98 	 */
99 	if (px_vpci_users++)
100 		return (DDI_SUCCESS);
101 
102 	if ((ret = hsvc_register(&px_hsvc, &px_vpci_min_ver)) != 0) {
103 		cmn_err(CE_WARN, "%s: cannot negotiate hypervisor services "
104 		    "group: 0x%lx major: 0x%lx minor: 0x%lx errno: %d\n",
105 		    px_hsvc.hsvc_modname, px_hsvc.hsvc_group,
106 		    px_hsvc.hsvc_major, px_hsvc.hsvc_minor, ret);
107 
108 		return (DDI_FAILURE);
109 	}
110 
111 	DBG(DBG_ATTACH, dip, "px_lib_dev_init: negotiated VPCI API version, "
112 	    "major 0x%lx minor 0x%lx\n", px_hsvc.hsvc_major, px_vpci_min_ver);
113 
114 	return (DDI_SUCCESS);
115 }
116 
117 /*ARGSUSED*/
118 int
119 px_lib_dev_fini(dev_info_t *dip)
120 {
121 	DBG(DBG_DETACH, dip, "px_lib_dev_fini: dip 0x%p\n", dip);
122 
123 	(void) ddi_prop_remove(makedevice(ddi_driver_major(dip),
124 	    PCIHP_AP_MINOR_NUM(ddi_get_instance(dip), PCIHP_DEVCTL_MINOR)), dip,
125 	    PCI_BUS_CONF_MAP_PROP);
126 
127 	if (--px_vpci_users == 0)
128 		(void) hsvc_unregister(&px_hsvc);
129 
130 	return (DDI_SUCCESS);
131 }
132 
133 /*ARGSUSED*/
134 int
135 px_lib_intr_devino_to_sysino(dev_info_t *dip, devino_t devino,
136     sysino_t *sysino)
137 {
138 	uint64_t	ret;
139 
140 	DBG(DBG_LIB_INT, dip, "px_lib_intr_devino_to_sysino: dip 0x%p "
141 	    "devino 0x%x\n", dip, devino);
142 
143 	if ((ret = hvio_intr_devino_to_sysino(DIP_TO_HANDLE(dip),
144 	    devino, sysino)) != H_EOK) {
145 		DBG(DBG_LIB_INT, dip,
146 		    "hvio_intr_devino_to_sysino failed, ret 0x%lx\n", ret);
147 		return (DDI_FAILURE);
148 	}
149 
150 	DBG(DBG_LIB_INT, dip, "px_lib_intr_devino_to_sysino: sysino 0x%llx\n",
151 	    *sysino);
152 
153 	return (DDI_SUCCESS);
154 }
155 
156 /*ARGSUSED*/
157 int
158 px_lib_intr_getvalid(dev_info_t *dip, sysino_t sysino,
159     intr_valid_state_t *intr_valid_state)
160 {
161 	uint64_t	ret;
162 
163 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getvalid: dip 0x%p sysino 0x%llx\n",
164 	    dip, sysino);
165 
166 	if ((ret = hvio_intr_getvalid(sysino,
167 	    (int *)intr_valid_state)) != H_EOK) {
168 		DBG(DBG_LIB_INT, dip, "hvio_intr_getvalid failed, ret 0x%lx\n",
169 		    ret);
170 		return (DDI_FAILURE);
171 	}
172 
173 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getvalid: intr_valid_state 0x%x\n",
174 	    *intr_valid_state);
175 
176 	return (DDI_SUCCESS);
177 }
178 
179 /*ARGSUSED*/
180 int
181 px_lib_intr_setvalid(dev_info_t *dip, sysino_t sysino,
182     intr_valid_state_t intr_valid_state)
183 {
184 	uint64_t	ret;
185 
186 	DBG(DBG_LIB_INT, dip, "px_lib_intr_setvalid: dip 0x%p sysino 0x%llx "
187 	    "intr_valid_state 0x%x\n", dip, sysino, intr_valid_state);
188 
189 	if ((ret = hvio_intr_setvalid(sysino, intr_valid_state)) != H_EOK) {
190 		DBG(DBG_LIB_INT, dip, "hvio_intr_setvalid failed, ret 0x%lx\n",
191 		    ret);
192 		return (DDI_FAILURE);
193 	}
194 
195 	return (DDI_SUCCESS);
196 }
197 
198 /*ARGSUSED*/
199 int
200 px_lib_intr_getstate(dev_info_t *dip, sysino_t sysino,
201     intr_state_t *intr_state)
202 {
203 	uint64_t	ret;
204 
205 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getstate: dip 0x%p sysino 0x%llx\n",
206 	    dip, sysino);
207 
208 	if ((ret = hvio_intr_getstate(sysino, (int *)intr_state)) != H_EOK) {
209 		DBG(DBG_LIB_INT, dip, "hvio_intr_getstate failed, ret 0x%lx\n",
210 		    ret);
211 		return (DDI_FAILURE);
212 	}
213 
214 	DBG(DBG_LIB_INT, dip, "px_lib_intr_getstate: intr_state 0x%x\n",
215 	    *intr_state);
216 
217 	return (DDI_SUCCESS);
218 }
219 
220 /*ARGSUSED*/
221 int
222 px_lib_intr_setstate(dev_info_t *dip, sysino_t sysino,
223     intr_state_t intr_state)
224 {
225 	uint64_t	ret;
226 
227 	DBG(DBG_LIB_INT, dip, "px_lib_intr_setstate: dip 0x%p sysino 0x%llx "
228 	    "intr_state 0x%x\n", dip, sysino, intr_state);
229 
230 	if ((ret = hvio_intr_setstate(sysino, intr_state)) != H_EOK) {
231 		DBG(DBG_LIB_INT, dip, "hvio_intr_setstate failed, ret 0x%lx\n",
232 		    ret);
233 		return (DDI_FAILURE);
234 	}
235 
236 	return (DDI_SUCCESS);
237 }
238 
239 /*ARGSUSED*/
240 int
241 px_lib_intr_gettarget(dev_info_t *dip, sysino_t sysino, cpuid_t *cpuid)
242 {
243 	uint64_t	ret;
244 
245 	DBG(DBG_LIB_INT, dip, "px_lib_intr_gettarget: dip 0x%p sysino 0x%llx\n",
246 	    dip, sysino);
247 
248 	if ((ret = hvio_intr_gettarget(sysino, cpuid)) != H_EOK) {
249 		DBG(DBG_LIB_INT, dip,
250 		    "hvio_intr_gettarget failed, ret 0x%lx\n", ret);
251 		return (DDI_FAILURE);
252 	}
253 
254 	DBG(DBG_LIB_INT, dip, "px_lib_intr_gettarget: cpuid 0x%x\n", cpuid);
255 
256 	return (DDI_SUCCESS);
257 }
258 
259 /*ARGSUSED*/
260 int
261 px_lib_intr_settarget(dev_info_t *dip, sysino_t sysino, cpuid_t cpuid)
262 {
263 	uint64_t	ret;
264 
265 	DBG(DBG_LIB_INT, dip, "px_lib_intr_settarget: dip 0x%p sysino 0x%llx "
266 	    "cpuid 0x%x\n", dip, sysino, cpuid);
267 
268 	if ((ret = hvio_intr_settarget(sysino, cpuid)) != H_EOK) {
269 		DBG(DBG_LIB_INT, dip,
270 		    "hvio_intr_settarget failed, ret 0x%lx\n", ret);
271 		return (DDI_FAILURE);
272 	}
273 
274 	return (DDI_SUCCESS);
275 }
276 
277 /*ARGSUSED*/
278 int
279 px_lib_intr_reset(dev_info_t *dip)
280 {
281 	px_t		*px_p = DIP_TO_STATE(dip);
282 	px_ib_t		*ib_p = px_p->px_ib_p;
283 	px_ino_t	*ino_p;
284 
285 	DBG(DBG_LIB_INT, dip, "px_lib_intr_reset: dip 0x%p\n", dip);
286 
287 	mutex_enter(&ib_p->ib_ino_lst_mutex);
288 
289 	/* Reset all Interrupts */
290 	for (ino_p = ib_p->ib_ino_lst; ino_p; ino_p = ino_p->ino_next_p) {
291 		if (px_lib_intr_setstate(dip, ino_p->ino_sysino,
292 		    INTR_IDLE_STATE) != DDI_SUCCESS)
293 			return (BF_FATAL);
294 	}
295 
296 	mutex_exit(&ib_p->ib_ino_lst_mutex);
297 
298 	return (BF_NONE);
299 }
300 
301 /*ARGSUSED*/
302 int
303 px_lib_iommu_map(dev_info_t *dip, tsbid_t tsbid, pages_t pages,
304     io_attributes_t attr, void *addr, size_t pfn_index, int flags)
305 {
306 	tsbnum_t	tsb_num = PCI_TSBID_TO_TSBNUM(tsbid);
307 	tsbindex_t	tsb_index = PCI_TSBID_TO_TSBINDEX(tsbid);
308 	io_page_list_t	*pfns, *pfn_p;
309 	pages_t		ttes_mapped = 0;
310 	int		i, err = DDI_SUCCESS;
311 
312 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: dip 0x%p tsbid 0x%llx "
313 	    "pages 0x%x attr 0x%x addr 0x%p pfn_index 0x%llx flags 0x%x\n",
314 	    dip, tsbid, pages, attr, addr, pfn_index, flags);
315 
316 	if ((pfns = pfn_p = kmem_zalloc((pages * sizeof (io_page_list_t)),
317 	    KM_NOSLEEP)) == NULL) {
318 		DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: kmem_zalloc failed\n");
319 		return (DDI_FAILURE);
320 	}
321 
322 	for (i = 0; i < pages; i++)
323 		pfns[i] = MMU_PTOB(PX_ADDR2PFN(addr, pfn_index, flags, i));
324 
325 	/*
326 	 * If HV VPCI version is 1.1 and higher, pass BDF, phantom function,
327 	 * and relaxed ordering attributes. Otherwise, pass only read or write
328 	 * attribute.
329 	 */
330 	if (px_vpci_min_ver == PX_VPCI_MINOR_VER_0)
331 		attr = attr & (PCI_MAP_ATTR_READ | PCI_MAP_ATTR_WRITE);
332 
333 	while ((ttes_mapped = pfn_p - pfns) < pages) {
334 		uintptr_t	ra = va_to_pa(pfn_p);
335 		pages_t		ttes2map;
336 		uint64_t	ret;
337 
338 		ttes2map = (MMU_PAGE_SIZE - P2PHASE(ra, MMU_PAGE_SIZE)) >> 3;
339 		ra = MMU_PTOB(MMU_BTOP(ra));
340 
341 		for (ttes2map = MIN(ttes2map, pages - ttes_mapped); ttes2map;
342 		    ttes2map -= ttes_mapped, pfn_p += ttes_mapped) {
343 
344 			ttes_mapped = 0;
345 			if ((ret = hvio_iommu_map(DIP_TO_HANDLE(dip),
346 			    PCI_TSBID(tsb_num, tsb_index + (pfn_p - pfns)),
347 			    ttes2map, attr, (io_page_list_t *)(ra |
348 			    ((uintptr_t)pfn_p & MMU_PAGE_OFFSET)),
349 			    &ttes_mapped)) != H_EOK) {
350 				DBG(DBG_LIB_DMA, dip, "hvio_iommu_map failed "
351 				    "ret 0x%lx\n", ret);
352 
353 				ttes_mapped = pfn_p - pfns;
354 				err = DDI_FAILURE;
355 				goto cleanup;
356 			}
357 
358 			DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: tsb_num 0x%x "
359 			    "tsb_index 0x%lx ttes_to_map 0x%lx attr 0x%x "
360 			    "ra 0x%p ttes_mapped 0x%x\n", tsb_num,
361 			    tsb_index + (pfn_p - pfns), ttes2map, attr,
362 			    ra | ((uintptr_t)pfn_p & MMU_PAGE_OFFSET),
363 			    ttes_mapped);
364 		}
365 	}
366 
367 cleanup:
368 	if ((err == DDI_FAILURE) && ttes_mapped)
369 		(void) px_lib_iommu_demap(dip, tsbid, ttes_mapped);
370 
371 	kmem_free(pfns, pages * sizeof (io_page_list_t));
372 	return (err);
373 }
374 
375 /*ARGSUSED*/
376 int
377 px_lib_iommu_demap(dev_info_t *dip, tsbid_t tsbid, pages_t pages)
378 {
379 	tsbnum_t	tsb_num = PCI_TSBID_TO_TSBNUM(tsbid);
380 	tsbindex_t	tsb_index = PCI_TSBID_TO_TSBINDEX(tsbid);
381 	pages_t		ttes2demap, ttes_demapped = 0;
382 	uint64_t	ret;
383 
384 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_demap: dip 0x%p tsbid 0x%llx "
385 	    "pages 0x%x\n", dip, tsbid, pages);
386 
387 	for (ttes2demap = pages; ttes2demap;
388 	    ttes2demap -= ttes_demapped, tsb_index += ttes_demapped) {
389 		if ((ret = hvio_iommu_demap(DIP_TO_HANDLE(dip),
390 		    PCI_TSBID(tsb_num, tsb_index), ttes2demap,
391 		    &ttes_demapped)) != H_EOK) {
392 			DBG(DBG_LIB_DMA, dip, "hvio_iommu_demap failed, "
393 			    "ret 0x%lx\n", ret);
394 
395 			return (DDI_FAILURE);
396 		}
397 
398 		DBG(DBG_LIB_DMA, dip, "px_lib_iommu_demap: tsb_num 0x%x "
399 		    "tsb_index 0x%lx ttes_to_demap 0x%lx ttes_demapped 0x%x\n",
400 		    tsb_num, tsb_index, ttes2demap, ttes_demapped);
401 	}
402 
403 	return (DDI_SUCCESS);
404 }
405 
406 /*ARGSUSED*/
407 int
408 px_lib_iommu_getmap(dev_info_t *dip, tsbid_t tsbid, io_attributes_t *attr_p,
409     r_addr_t *r_addr_p)
410 {
411 	uint64_t	ret;
412 
413 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getmap: dip 0x%p tsbid 0x%llx\n",
414 	    dip, tsbid);
415 
416 	if ((ret = hvio_iommu_getmap(DIP_TO_HANDLE(dip), tsbid,
417 	    attr_p, r_addr_p)) != H_EOK) {
418 		DBG(DBG_LIB_DMA, dip,
419 		    "hvio_iommu_getmap failed, ret 0x%lx\n", ret);
420 
421 		return ((ret == H_ENOMAP) ? DDI_DMA_NOMAPPING:DDI_FAILURE);
422 	}
423 
424 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getmap: attr 0x%x r_addr 0x%llx\n",
425 	    *attr_p, *r_addr_p);
426 
427 	return (DDI_SUCCESS);
428 }
429 
430 /*ARGSUSED*/
431 uint64_t
432 px_get_rng_parent_hi_mask(px_t *px_p)
433 {
434 	return (PX_RANGE_PROP_MASK);
435 }
436 
437 /*
438  * Checks dma attributes against system bypass ranges
439  * A sun4v device must be capable of generating the entire 64-bit
440  * address in order to perform bypass DMA.
441  */
442 /*ARGSUSED*/
443 int
444 px_lib_dma_bypass_rngchk(dev_info_t *dip, ddi_dma_attr_t *attr_p,
445     uint64_t *lo_p, uint64_t *hi_p)
446 {
447 	if ((attr_p->dma_attr_addr_lo != 0ull) ||
448 	    (attr_p->dma_attr_addr_hi != UINT64_MAX)) {
449 
450 		return (DDI_DMA_BADATTR);
451 	}
452 
453 	*lo_p = 0ull;
454 	*hi_p = UINT64_MAX;
455 
456 	return (DDI_SUCCESS);
457 }
458 
459 
460 /*ARGSUSED*/
461 int
462 px_lib_iommu_getbypass(dev_info_t *dip, r_addr_t ra, io_attributes_t attr,
463     io_addr_t *io_addr_p)
464 {
465 	uint64_t	ret;
466 
467 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: dip 0x%p ra 0x%llx "
468 	    "attr 0x%x\n", dip, ra, attr);
469 
470 	if ((ret = hvio_iommu_getbypass(DIP_TO_HANDLE(dip), ra,
471 	    attr, io_addr_p)) != H_EOK) {
472 		DBG(DBG_LIB_DMA, dip,
473 		    "hvio_iommu_getbypass failed, ret 0x%lx\n", ret);
474 		return (ret == H_ENOTSUPPORTED ? DDI_ENOTSUP : DDI_FAILURE);
475 	}
476 
477 	DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: io_addr 0x%llx\n",
478 	    *io_addr_p);
479 
480 	return (DDI_SUCCESS);
481 }
482 
483 /*ARGSUSED*/
484 int
485 px_lib_dma_sync(dev_info_t *dip, dev_info_t *rdip, ddi_dma_handle_t handle,
486 	off_t off, size_t len, uint_t cache_flags)
487 {
488 	ddi_dma_impl_t *mp = (ddi_dma_impl_t *)handle;
489 	uint64_t sync_dir;
490 	size_t bytes_synced;
491 	int end, idx;
492 	off_t pg_off;
493 	devhandle_t hdl = DIP_TO_HANDLE(dip); /* need to cache hdl */
494 
495 	DBG(DBG_LIB_DMA, dip, "px_lib_dma_sync: dip 0x%p rdip 0x%p "
496 	    "handle 0x%llx off 0x%x len 0x%x flags 0x%x\n",
497 	    dip, rdip, handle, off, len, cache_flags);
498 
499 	if (!(mp->dmai_flags & PX_DMAI_FLAGS_INUSE)) {
500 		cmn_err(CE_WARN, "%s%d: Unbound dma handle %p.",
501 		    ddi_driver_name(rdip), ddi_get_instance(rdip), (void *)mp);
502 		return (DDI_FAILURE);
503 	}
504 
505 	if (mp->dmai_flags & PX_DMAI_FLAGS_NOSYNC)
506 		return (DDI_SUCCESS);
507 
508 	if (!len)
509 		len = mp->dmai_size;
510 
511 	if (mp->dmai_rflags & DDI_DMA_READ)
512 		sync_dir = HVIO_DMA_SYNC_DIR_FROM_DEV;
513 	else
514 		sync_dir = HVIO_DMA_SYNC_DIR_TO_DEV;
515 
516 	off += mp->dmai_offset;
517 	pg_off = off & MMU_PAGEOFFSET;
518 
519 	DBG(DBG_LIB_DMA, dip, "px_lib_dma_sync: page offset %x size %x\n",
520 	    pg_off, len);
521 
522 	/* sync on page basis */
523 	end = MMU_BTOPR(off + len - 1);
524 	for (idx = MMU_BTOP(off); idx < end; idx++,
525 	    len -= bytes_synced, pg_off = 0) {
526 		size_t bytes_to_sync = bytes_to_sync =
527 		    MIN(len, MMU_PAGESIZE - pg_off);
528 
529 		if (hvio_dma_sync(hdl, MMU_PTOB(PX_GET_MP_PFN(mp, idx)) +
530 		    pg_off, bytes_to_sync, sync_dir, &bytes_synced) != H_EOK)
531 			break;
532 
533 		DBG(DBG_LIB_DMA, dip, "px_lib_dma_sync: Called hvio_dma_sync "
534 		    "ra = %p bytes to sync = %x bytes synced %x\n",
535 		    MMU_PTOB(PX_GET_MP_PFN(mp, idx)) + pg_off, bytes_to_sync,
536 		    bytes_synced);
537 
538 		if (bytes_to_sync != bytes_synced)
539 			break;
540 	}
541 
542 	return (len ? DDI_FAILURE : DDI_SUCCESS);
543 }
544 
545 
546 /*
547  * MSIQ Functions:
548  */
549 
550 /*ARGSUSED*/
551 int
552 px_lib_msiq_init(dev_info_t *dip)
553 {
554 	px_t		*px_p = DIP_TO_STATE(dip);
555 	px_msiq_state_t	*msiq_state_p = &px_p->px_ib_p->ib_msiq_state;
556 	r_addr_t	ra;
557 	size_t		msiq_size;
558 	uint_t		rec_cnt;
559 	int		i, err = DDI_SUCCESS;
560 	uint64_t	ret;
561 
562 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_init: dip 0x%p\n", dip);
563 
564 	msiq_size = msiq_state_p->msiq_rec_cnt * sizeof (msiq_rec_t);
565 
566 	for (i = 0; i < msiq_state_p->msiq_cnt; i++) {
567 		ra = (r_addr_t)va_to_pa((caddr_t)msiq_state_p->msiq_buf_p +
568 		    (i * msiq_size));
569 
570 		if ((ret = hvio_msiq_conf(DIP_TO_HANDLE(dip),
571 		    (i + msiq_state_p->msiq_1st_msiq_id),
572 		    ra, msiq_state_p->msiq_rec_cnt)) != H_EOK) {
573 			DBG(DBG_LIB_MSIQ, dip,
574 			    "hvio_msiq_conf failed, ret 0x%lx\n", ret);
575 			err = DDI_FAILURE;
576 			break;
577 		}
578 
579 		if ((err = px_lib_msiq_info(dip,
580 		    (i + msiq_state_p->msiq_1st_msiq_id),
581 		    &ra, &rec_cnt)) != DDI_SUCCESS) {
582 			DBG(DBG_LIB_MSIQ, dip,
583 			    "px_lib_msiq_info failed, ret 0x%x\n", err);
584 			err = DDI_FAILURE;
585 			break;
586 		}
587 
588 		DBG(DBG_LIB_MSIQ, dip,
589 		    "px_lib_msiq_init: ra 0x%p rec_cnt 0x%x\n", ra, rec_cnt);
590 	}
591 
592 	return (err);
593 }
594 
595 /*ARGSUSED*/
596 int
597 px_lib_msiq_fini(dev_info_t *dip)
598 {
599 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_fini: dip 0x%p\n", dip);
600 
601 	return (DDI_SUCCESS);
602 }
603 
604 /*ARGSUSED*/
605 int
606 px_lib_msiq_info(dev_info_t *dip, msiqid_t msiq_id, r_addr_t *ra_p,
607     uint_t *msiq_rec_cnt_p)
608 {
609 	uint64_t	ret;
610 
611 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: dip 0x%p msiq_id 0x%x\n",
612 	    dip, msiq_id);
613 
614 	if ((ret = hvio_msiq_info(DIP_TO_HANDLE(dip),
615 	    msiq_id, ra_p, msiq_rec_cnt_p)) != H_EOK) {
616 		DBG(DBG_LIB_MSIQ, dip,
617 		    "hvio_msiq_info failed, ret 0x%lx\n", ret);
618 		return (DDI_FAILURE);
619 	}
620 
621 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: ra_p 0x%p msiq_rec_cnt 0x%x\n",
622 	    ra_p, *msiq_rec_cnt_p);
623 
624 	return (DDI_SUCCESS);
625 }
626 
627 /*ARGSUSED*/
628 int
629 px_lib_msiq_getvalid(dev_info_t *dip, msiqid_t msiq_id,
630     pci_msiq_valid_state_t *msiq_valid_state)
631 {
632 	uint64_t	ret;
633 
634 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: dip 0x%p msiq_id 0x%x\n",
635 	    dip, msiq_id);
636 
637 	if ((ret = hvio_msiq_getvalid(DIP_TO_HANDLE(dip),
638 	    msiq_id, msiq_valid_state)) != H_EOK) {
639 		DBG(DBG_LIB_MSIQ, dip,
640 		    "hvio_msiq_getvalid failed, ret 0x%lx\n", ret);
641 		return (DDI_FAILURE);
642 	}
643 
644 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: msiq_valid_state 0x%x\n",
645 	    *msiq_valid_state);
646 
647 	return (DDI_SUCCESS);
648 }
649 
650 /*ARGSUSED*/
651 int
652 px_lib_msiq_setvalid(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_setvalid: dip 0x%p msiq_id 0x%x "
658 	    "msiq_valid_state 0x%x\n", dip, msiq_id, msiq_valid_state);
659 
660 	if ((ret = hvio_msiq_setvalid(DIP_TO_HANDLE(dip),
661 	    msiq_id, msiq_valid_state)) != H_EOK) {
662 		DBG(DBG_LIB_MSIQ, dip,
663 		    "hvio_msiq_setvalid failed, ret 0x%lx\n", ret);
664 		return (DDI_FAILURE);
665 	}
666 
667 	return (DDI_SUCCESS);
668 }
669 
670 /*ARGSUSED*/
671 int
672 px_lib_msiq_getstate(dev_info_t *dip, msiqid_t msiq_id,
673     pci_msiq_state_t *msiq_state)
674 {
675 	uint64_t	ret;
676 
677 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: dip 0x%p msiq_id 0x%x\n",
678 	    dip, msiq_id);
679 
680 	if ((ret = hvio_msiq_getstate(DIP_TO_HANDLE(dip),
681 	    msiq_id, msiq_state)) != H_EOK) {
682 		DBG(DBG_LIB_MSIQ, dip,
683 		    "hvio_msiq_getstate failed, ret 0x%lx\n", ret);
684 		return (DDI_FAILURE);
685 	}
686 
687 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: msiq_state 0x%x\n",
688 	    *msiq_state);
689 
690 	return (DDI_SUCCESS);
691 }
692 
693 /*ARGSUSED*/
694 int
695 px_lib_msiq_setstate(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_setstate: dip 0x%p msiq_id 0x%x "
701 	    "msiq_state 0x%x\n", dip, msiq_id, msiq_state);
702 
703 	if ((ret = hvio_msiq_setstate(DIP_TO_HANDLE(dip),
704 	    msiq_id, msiq_state)) != H_EOK) {
705 		DBG(DBG_LIB_MSIQ, dip,
706 		    "hvio_msiq_setstate failed, ret 0x%lx\n", ret);
707 		return (DDI_FAILURE);
708 	}
709 
710 	return (DDI_SUCCESS);
711 }
712 
713 /*ARGSUSED*/
714 int
715 px_lib_msiq_gethead(dev_info_t *dip, msiqid_t msiq_id,
716     msiqhead_t *msiq_head_p)
717 {
718 	uint64_t	ret;
719 
720 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gethead: dip 0x%p msiq_id 0x%x\n",
721 	    dip, msiq_id);
722 
723 	if ((ret = hvio_msiq_gethead(DIP_TO_HANDLE(dip),
724 	    msiq_id, msiq_head_p)) != H_EOK) {
725 		DBG(DBG_LIB_MSIQ, dip,
726 		    "hvio_msiq_gethead failed, ret 0x%lx\n", ret);
727 		return (DDI_FAILURE);
728 	}
729 
730 	*msiq_head_p =  (*msiq_head_p / sizeof (msiq_rec_t));
731 
732 	DBG(DBG_LIB_MSIQ, dip, "px_msiq_gethead: msiq_head 0x%x\n",
733 	    *msiq_head_p);
734 
735 	return (DDI_SUCCESS);
736 }
737 
738 /*ARGSUSED*/
739 int
740 px_lib_msiq_sethead(dev_info_t *dip, msiqid_t msiq_id,
741     msiqhead_t msiq_head)
742 {
743 	uint64_t	ret;
744 
745 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_sethead: dip 0x%p msiq_id 0x%x "
746 	    "msiq_head 0x%x\n", dip, msiq_id, msiq_head);
747 
748 	if ((ret = hvio_msiq_sethead(DIP_TO_HANDLE(dip),
749 	    msiq_id, msiq_head * sizeof (msiq_rec_t))) != H_EOK) {
750 		DBG(DBG_LIB_MSIQ, dip,
751 		    "hvio_msiq_sethead failed, ret 0x%lx\n", ret);
752 		return (DDI_FAILURE);
753 	}
754 
755 	return (DDI_SUCCESS);
756 }
757 
758 /*ARGSUSED*/
759 int
760 px_lib_msiq_gettail(dev_info_t *dip, msiqid_t msiq_id,
761     msiqtail_t *msiq_tail_p)
762 {
763 	uint64_t	ret;
764 
765 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: dip 0x%p msiq_id 0x%x\n",
766 	    dip, msiq_id);
767 
768 	if ((ret = hvio_msiq_gettail(DIP_TO_HANDLE(dip),
769 	    msiq_id, msiq_tail_p)) != H_EOK) {
770 		DBG(DBG_LIB_MSIQ, dip,
771 		    "hvio_msiq_gettail failed, ret 0x%lx\n", ret);
772 		return (DDI_FAILURE);
773 	}
774 
775 	*msiq_tail_p =  (*msiq_tail_p / sizeof (msiq_rec_t));
776 	DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: msiq_tail 0x%x\n",
777 	    *msiq_tail_p);
778 
779 	return (DDI_SUCCESS);
780 }
781 
782 /*ARGSUSED*/
783 void
784 px_lib_get_msiq_rec(dev_info_t *dip, msiqhead_t *msiq_head_p,
785     msiq_rec_t *msiq_rec_p)
786 {
787 	msiq_rec_t	*curr_msiq_rec_p = (msiq_rec_t *)msiq_head_p;
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 		/* Set msiq_rec_type to zero */
793 		msiq_rec_p->msiq_rec_type = 0;
794 
795 		return;
796 	}
797 
798 	*msiq_rec_p = *curr_msiq_rec_p;
799 }
800 
801 /*ARGSUSED*/
802 void
803 px_lib_clr_msiq_rec(dev_info_t *dip, msiqhead_t *msiq_head_p)
804 {
805 	msiq_rec_t	*curr_msiq_rec_p = (msiq_rec_t *)msiq_head_p;
806 
807 	DBG(DBG_LIB_MSIQ, dip, "px_lib_clr_msiq_rec: dip 0x%p\n", dip);
808 
809 	/* Zero out msiq_rec_type field */
810 	curr_msiq_rec_p->msiq_rec_type  = 0;
811 }
812 
813 /*
814  * MSI Functions:
815  */
816 
817 /*ARGSUSED*/
818 int
819 px_lib_msi_init(dev_info_t *dip)
820 {
821 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_init: dip 0x%p\n", dip);
822 
823 	/* Noop */
824 	return (DDI_SUCCESS);
825 }
826 
827 /*ARGSUSED*/
828 int
829 px_lib_msi_getmsiq(dev_info_t *dip, msinum_t msi_num,
830     msiqid_t *msiq_id)
831 {
832 	uint64_t	ret;
833 
834 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: dip 0x%p msi_num 0x%x\n",
835 	    dip, msi_num);
836 
837 	if ((ret = hvio_msi_getmsiq(DIP_TO_HANDLE(dip),
838 	    msi_num, msiq_id)) != H_EOK) {
839 		DBG(DBG_LIB_MSI, dip,
840 		    "hvio_msi_getmsiq failed, ret 0x%lx\n", ret);
841 		return (DDI_FAILURE);
842 	}
843 
844 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: msiq_id 0x%x\n",
845 	    *msiq_id);
846 
847 	return (DDI_SUCCESS);
848 }
849 
850 /*ARGSUSED*/
851 int
852 px_lib_msi_setmsiq(dev_info_t *dip, msinum_t msi_num,
853     msiqid_t msiq_id, msi_type_t msitype)
854 {
855 	uint64_t	ret;
856 
857 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_setmsiq: dip 0x%p msi_num 0x%x "
858 	    "msq_id 0x%x\n", dip, msi_num, msiq_id);
859 
860 	if ((ret = hvio_msi_setmsiq(DIP_TO_HANDLE(dip),
861 	    msi_num, msiq_id, msitype)) != H_EOK) {
862 		DBG(DBG_LIB_MSI, dip,
863 		    "hvio_msi_setmsiq failed, ret 0x%lx\n", ret);
864 		return (DDI_FAILURE);
865 	}
866 
867 	return (DDI_SUCCESS);
868 }
869 
870 /*ARGSUSED*/
871 int
872 px_lib_msi_getvalid(dev_info_t *dip, msinum_t msi_num,
873     pci_msi_valid_state_t *msi_valid_state)
874 {
875 	uint64_t	ret;
876 
877 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: dip 0x%p msi_num 0x%x\n",
878 	    dip, msi_num);
879 
880 	if ((ret = hvio_msi_getvalid(DIP_TO_HANDLE(dip),
881 	    msi_num, msi_valid_state)) != H_EOK) {
882 		DBG(DBG_LIB_MSI, dip,
883 		    "hvio_msi_getvalid failed, ret 0x%lx\n", ret);
884 		return (DDI_FAILURE);
885 	}
886 
887 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: msiq_id 0x%x\n",
888 	    *msi_valid_state);
889 
890 	return (DDI_SUCCESS);
891 }
892 
893 /*ARGSUSED*/
894 int
895 px_lib_msi_setvalid(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_setvalid: dip 0x%p msi_num 0x%x "
901 	    "msi_valid_state 0x%x\n", dip, msi_num, msi_valid_state);
902 
903 	if ((ret = hvio_msi_setvalid(DIP_TO_HANDLE(dip),
904 	    msi_num, msi_valid_state)) != H_EOK) {
905 		DBG(DBG_LIB_MSI, dip,
906 		    "hvio_msi_setvalid failed, ret 0x%lx\n", ret);
907 		return (DDI_FAILURE);
908 	}
909 
910 	return (DDI_SUCCESS);
911 }
912 
913 /*ARGSUSED*/
914 int
915 px_lib_msi_getstate(dev_info_t *dip, msinum_t msi_num,
916     pci_msi_state_t *msi_state)
917 {
918 	uint64_t	ret;
919 
920 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: dip 0x%p msi_num 0x%x\n",
921 	    dip, msi_num);
922 
923 	if ((ret = hvio_msi_getstate(DIP_TO_HANDLE(dip),
924 	    msi_num, msi_state)) != H_EOK) {
925 		DBG(DBG_LIB_MSI, dip,
926 		    "hvio_msi_getstate failed, ret 0x%lx\n", ret);
927 		return (DDI_FAILURE);
928 	}
929 
930 	DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: msi_state 0x%x\n",
931 	    *msi_state);
932 
933 	return (DDI_SUCCESS);
934 }
935 
936 /*ARGSUSED*/
937 int
938 px_lib_msi_setstate(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_setstate: dip 0x%p msi_num 0x%x "
944 	    "msi_state 0x%x\n", dip, msi_num, msi_state);
945 
946 	if ((ret = hvio_msi_setstate(DIP_TO_HANDLE(dip),
947 	    msi_num, msi_state)) != H_EOK) {
948 		DBG(DBG_LIB_MSI, dip,
949 		    "hvio_msi_setstate failed, ret 0x%lx\n", ret);
950 		return (DDI_FAILURE);
951 	}
952 
953 	return (DDI_SUCCESS);
954 }
955 
956 /*
957  * MSG Functions:
958  */
959 
960 /*ARGSUSED*/
961 int
962 px_lib_msg_getmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
963     msiqid_t *msiq_id)
964 {
965 	uint64_t	ret;
966 
967 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_getmsiq: dip 0x%p msg_type 0x%x\n",
968 	    dip, msg_type);
969 
970 	if ((ret = hvio_msg_getmsiq(DIP_TO_HANDLE(dip),
971 	    msg_type, msiq_id)) != H_EOK) {
972 		DBG(DBG_LIB_MSG, dip,
973 		    "hvio_msg_getmsiq failed, ret 0x%lx\n", ret);
974 		return (DDI_FAILURE);
975 	}
976 
977 	DBG(DBG_LIB_MSI, dip, "px_lib_msg_getmsiq: msiq_id 0x%x\n",
978 	    *msiq_id);
979 
980 	return (DDI_SUCCESS);
981 }
982 
983 /*ARGSUSED*/
984 int
985 px_lib_msg_setmsiq(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_setmsiq: dip 0x%p msg_type 0x%x "
991 	    "msq_id 0x%x\n", dip, msg_type, msiq_id);
992 
993 	if ((ret = hvio_msg_setmsiq(DIP_TO_HANDLE(dip),
994 	    msg_type, msiq_id)) != H_EOK) {
995 		DBG(DBG_LIB_MSG, dip,
996 		    "hvio_msg_setmsiq failed, ret 0x%lx\n", ret);
997 		return (DDI_FAILURE);
998 	}
999 
1000 	return (DDI_SUCCESS);
1001 }
1002 
1003 /*ARGSUSED*/
1004 int
1005 px_lib_msg_getvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
1006     pcie_msg_valid_state_t *msg_valid_state)
1007 {
1008 	uint64_t	ret;
1009 
1010 	DBG(DBG_LIB_MSG, dip, "px_lib_msg_getvalid: dip 0x%p msg_type 0x%x\n",
1011 	    dip, msg_type);
1012 
1013 	if ((ret = hvio_msg_getvalid(DIP_TO_HANDLE(dip), msg_type,
1014 	    msg_valid_state)) != H_EOK) {
1015 		DBG(DBG_LIB_MSG, dip,
1016 		    "hvio_msg_getvalid failed, ret 0x%lx\n", ret);
1017 		return (DDI_FAILURE);
1018 	}
1019 
1020 	DBG(DBG_LIB_MSI, dip, "px_lib_msg_getvalid: msg_valid_state 0x%x\n",
1021 	    *msg_valid_state);
1022 
1023 	return (DDI_SUCCESS);
1024 }
1025 
1026 /*ARGSUSED*/
1027 int
1028 px_lib_msg_setvalid(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_setvalid: dip 0x%p msg_type 0x%x "
1034 	    "msg_valid_state 0x%x\n", dip, msg_type, msg_valid_state);
1035 
1036 	if ((ret = hvio_msg_setvalid(DIP_TO_HANDLE(dip), msg_type,
1037 	    msg_valid_state)) != H_EOK) {
1038 		DBG(DBG_LIB_MSG, dip,
1039 		    "hvio_msg_setvalid failed, ret 0x%lx\n", ret);
1040 		return (DDI_FAILURE);
1041 	}
1042 
1043 	return (DDI_SUCCESS);
1044 }
1045 
1046 /*
1047  * Suspend/Resume Functions:
1048  * Currently unsupported by hypervisor and all functions are noops.
1049  */
1050 /*ARGSUSED*/
1051 int
1052 px_lib_suspend(dev_info_t *dip)
1053 {
1054 	DBG(DBG_ATTACH, dip, "px_lib_suspend: Not supported\n");
1055 
1056 	/* Not supported */
1057 	return (DDI_FAILURE);
1058 }
1059 
1060 /*ARGSUSED*/
1061 void
1062 px_lib_resume(dev_info_t *dip)
1063 {
1064 	DBG(DBG_ATTACH, dip, "px_lib_resume: Not supported\n");
1065 
1066 	/* Noop */
1067 }
1068 
1069 /*
1070  * Misc Functions:
1071  * Currently unsupported by hypervisor and all functions are noops.
1072  */
1073 /*ARGSUSED*/
1074 static int
1075 px_lib_config_get(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off,
1076     uint8_t size, pci_cfg_data_t *data_p)
1077 {
1078 	uint64_t	ret;
1079 
1080 	DBG(DBG_LIB_CFG, dip, "px_lib_config_get: dip 0x%p, bdf 0x%llx "
1081 	    "off 0x%x size 0x%x\n", dip, bdf, off, size);
1082 
1083 	if ((ret = hvio_config_get(DIP_TO_HANDLE(dip), bdf, off,
1084 	    size, data_p)) != H_EOK) {
1085 		DBG(DBG_LIB_CFG, dip,
1086 		    "hvio_config_get failed, ret 0x%lx\n", ret);
1087 		return (DDI_FAILURE);
1088 	}
1089 	DBG(DBG_LIB_CFG, dip, "px_config_get: data 0x%x\n", data_p->dw);
1090 
1091 	return (DDI_SUCCESS);
1092 }
1093 
1094 /*ARGSUSED*/
1095 static int
1096 px_lib_config_put(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off,
1097     uint8_t size, pci_cfg_data_t data)
1098 {
1099 	uint64_t	ret;
1100 
1101 	DBG(DBG_LIB_CFG, dip, "px_lib_config_put: dip 0x%p, bdf 0x%llx "
1102 	    "off 0x%x size 0x%x data 0x%llx\n", dip, bdf, off, size, data.qw);
1103 
1104 	if ((ret = hvio_config_put(DIP_TO_HANDLE(dip), bdf, off,
1105 	    size, data)) != H_EOK) {
1106 		DBG(DBG_LIB_CFG, dip,
1107 		    "hvio_config_put failed, ret 0x%lx\n", ret);
1108 		return (DDI_FAILURE);
1109 	}
1110 
1111 	return (DDI_SUCCESS);
1112 }
1113 
1114 static uint32_t
1115 px_pci_config_get(ddi_acc_impl_t *handle, uint32_t *addr, int size)
1116 {
1117 	px_config_acc_pvt_t	*px_pvt = (px_config_acc_pvt_t *)
1118 					handle->ahi_common.ah_bus_private;
1119 	uint32_t pci_dev_addr = px_pvt->raddr;
1120 	uint32_t vaddr = px_pvt->vaddr;
1121 	uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff;
1122 	uint32_t rdata = 0;
1123 
1124 	if (px_lib_config_get(px_pvt->dip, pci_dev_addr, off,
1125 				size, (pci_cfg_data_t *)&rdata) != DDI_SUCCESS)
1126 		/* XXX update error kstats */
1127 		return (0xffffffff);
1128 	return (rdata);
1129 }
1130 
1131 static void
1132 px_pci_config_put(ddi_acc_impl_t *handle, uint32_t *addr,
1133 		int size, pci_cfg_data_t wdata)
1134 {
1135 	px_config_acc_pvt_t	*px_pvt = (px_config_acc_pvt_t *)
1136 					handle->ahi_common.ah_bus_private;
1137 	uint32_t pci_dev_addr = px_pvt->raddr;
1138 	uint32_t vaddr = px_pvt->vaddr;
1139 	uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff;
1140 
1141 	if (px_lib_config_put(px_pvt->dip, pci_dev_addr, off,
1142 				size, wdata) != DDI_SUCCESS) {
1143 		/*EMPTY*/
1144 		/* XXX update error kstats */
1145 	}
1146 }
1147 
1148 static uint8_t
1149 px_pci_config_get8(ddi_acc_impl_t *handle, uint8_t *addr)
1150 {
1151 	return ((uint8_t)px_pci_config_get(handle, (uint32_t *)addr, 1));
1152 }
1153 
1154 static uint16_t
1155 px_pci_config_get16(ddi_acc_impl_t *handle, uint16_t *addr)
1156 {
1157 	return ((uint16_t)px_pci_config_get(handle, (uint32_t *)addr, 2));
1158 }
1159 
1160 static uint32_t
1161 px_pci_config_get32(ddi_acc_impl_t *handle, uint32_t *addr)
1162 {
1163 	return ((uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4));
1164 }
1165 
1166 static uint64_t
1167 px_pci_config_get64(ddi_acc_impl_t *handle, uint64_t *addr)
1168 {
1169 	uint32_t rdatah, rdatal;
1170 
1171 	rdatal = (uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4);
1172 	rdatah = (uint32_t)px_pci_config_get(handle,
1173 				(uint32_t *)((char *)addr+4), 4);
1174 	return (((uint64_t)rdatah << 32) | rdatal);
1175 }
1176 
1177 static void
1178 px_pci_config_put8(ddi_acc_impl_t *handle, uint8_t *addr, uint8_t data)
1179 {
1180 	pci_cfg_data_t wdata = { 0 };
1181 
1182 	wdata.qw = (uint8_t)data;
1183 	px_pci_config_put(handle, (uint32_t *)addr, 1, wdata);
1184 }
1185 
1186 static void
1187 px_pci_config_put16(ddi_acc_impl_t *handle, uint16_t *addr, uint16_t data)
1188 {
1189 	pci_cfg_data_t wdata = { 0 };
1190 
1191 	wdata.qw = (uint16_t)data;
1192 	px_pci_config_put(handle, (uint32_t *)addr, 2, wdata);
1193 }
1194 
1195 static void
1196 px_pci_config_put32(ddi_acc_impl_t *handle, uint32_t *addr, uint32_t data)
1197 {
1198 	pci_cfg_data_t wdata = { 0 };
1199 
1200 	wdata.qw = (uint32_t)data;
1201 	px_pci_config_put(handle, (uint32_t *)addr, 4, wdata);
1202 }
1203 
1204 static void
1205 px_pci_config_put64(ddi_acc_impl_t *handle, uint64_t *addr, uint64_t data)
1206 {
1207 	pci_cfg_data_t wdata = { 0 };
1208 
1209 	wdata.qw = (uint32_t)(data & 0xffffffff);
1210 	px_pci_config_put(handle, (uint32_t *)addr, 4, wdata);
1211 	wdata.qw = (uint32_t)((data >> 32) & 0xffffffff);
1212 	px_pci_config_put(handle, (uint32_t *)((char *)addr+4), 4, wdata);
1213 }
1214 
1215 static void
1216 px_pci_config_rep_get8(ddi_acc_impl_t *handle, uint8_t *host_addr,
1217 			uint8_t *dev_addr, size_t repcount, uint_t flags)
1218 {
1219 	if (flags == DDI_DEV_AUTOINCR)
1220 		for (; repcount; repcount--)
1221 			*host_addr++ = px_pci_config_get8(handle, dev_addr++);
1222 	else
1223 		for (; repcount; repcount--)
1224 			*host_addr++ = px_pci_config_get8(handle, dev_addr);
1225 }
1226 
1227 /*
1228  * Function to rep read 16 bit data off the PCI configuration space behind
1229  * the 21554's host interface.
1230  */
1231 static void
1232 px_pci_config_rep_get16(ddi_acc_impl_t *handle, uint16_t *host_addr,
1233 			uint16_t *dev_addr, size_t repcount, uint_t flags)
1234 {
1235 	if (flags == DDI_DEV_AUTOINCR)
1236 		for (; repcount; repcount--)
1237 			*host_addr++ = px_pci_config_get16(handle, dev_addr++);
1238 	else
1239 		for (; repcount; repcount--)
1240 			*host_addr++ = px_pci_config_get16(handle, dev_addr);
1241 }
1242 
1243 /*
1244  * Function to rep read 32 bit data off the PCI configuration space behind
1245  * the 21554's host interface.
1246  */
1247 static void
1248 px_pci_config_rep_get32(ddi_acc_impl_t *handle, uint32_t *host_addr,
1249 			uint32_t *dev_addr, size_t repcount, uint_t flags)
1250 {
1251 	if (flags == DDI_DEV_AUTOINCR)
1252 		for (; repcount; repcount--)
1253 			*host_addr++ = px_pci_config_get32(handle, dev_addr++);
1254 	else
1255 		for (; repcount; repcount--)
1256 			*host_addr++ = px_pci_config_get32(handle, dev_addr);
1257 }
1258 
1259 /*
1260  * Function to rep read 64 bit data off the PCI configuration space behind
1261  * the 21554's host interface.
1262  */
1263 static void
1264 px_pci_config_rep_get64(ddi_acc_impl_t *handle, uint64_t *host_addr,
1265 			uint64_t *dev_addr, size_t repcount, uint_t flags)
1266 {
1267 	if (flags == DDI_DEV_AUTOINCR)
1268 		for (; repcount; repcount--)
1269 			*host_addr++ = px_pci_config_get64(handle, dev_addr++);
1270 	else
1271 		for (; repcount; repcount--)
1272 			*host_addr++ = px_pci_config_get64(handle, dev_addr);
1273 }
1274 
1275 /*
1276  * Function to rep write 8 bit data into the PCI configuration space behind
1277  * the 21554's host interface.
1278  */
1279 static void
1280 px_pci_config_rep_put8(ddi_acc_impl_t *handle, uint8_t *host_addr,
1281 			uint8_t *dev_addr, size_t repcount, uint_t flags)
1282 {
1283 	if (flags == DDI_DEV_AUTOINCR)
1284 		for (; repcount; repcount--)
1285 			px_pci_config_put8(handle, dev_addr++, *host_addr++);
1286 	else
1287 		for (; repcount; repcount--)
1288 			px_pci_config_put8(handle, dev_addr, *host_addr++);
1289 }
1290 
1291 /*
1292  * Function to rep write 16 bit data into the PCI configuration space behind
1293  * the 21554's host interface.
1294  */
1295 static void
1296 px_pci_config_rep_put16(ddi_acc_impl_t *handle, uint16_t *host_addr,
1297 			uint16_t *dev_addr, size_t repcount, uint_t flags)
1298 {
1299 	if (flags == DDI_DEV_AUTOINCR)
1300 		for (; repcount; repcount--)
1301 			px_pci_config_put16(handle, dev_addr++, *host_addr++);
1302 	else
1303 		for (; repcount; repcount--)
1304 			px_pci_config_put16(handle, dev_addr, *host_addr++);
1305 }
1306 
1307 /*
1308  * Function to rep write 32 bit data into the PCI configuration space behind
1309  * the 21554's host interface.
1310  */
1311 static void
1312 px_pci_config_rep_put32(ddi_acc_impl_t *handle, uint32_t *host_addr,
1313 			uint32_t *dev_addr, size_t repcount, uint_t flags)
1314 {
1315 	if (flags == DDI_DEV_AUTOINCR)
1316 		for (; repcount; repcount--)
1317 			px_pci_config_put32(handle, dev_addr++, *host_addr++);
1318 	else
1319 		for (; repcount; repcount--)
1320 			px_pci_config_put32(handle, dev_addr, *host_addr++);
1321 }
1322 
1323 /*
1324  * Function to rep write 64 bit data into the PCI configuration space behind
1325  * the 21554's host interface.
1326  */
1327 static void
1328 px_pci_config_rep_put64(ddi_acc_impl_t *handle, uint64_t *host_addr,
1329 			uint64_t *dev_addr, size_t repcount, uint_t flags)
1330 {
1331 	if (flags == DDI_DEV_AUTOINCR)
1332 		for (; repcount; repcount--)
1333 			px_pci_config_put64(handle, dev_addr++, *host_addr++);
1334 	else
1335 		for (; repcount; repcount--)
1336 			px_pci_config_put64(handle, dev_addr, *host_addr++);
1337 }
1338 
1339 /*
1340  * Provide a private access handle to route config access calls to Hypervisor.
1341  * Beware: Do all error checking for config space accesses before calling
1342  * this function. ie. do error checking from the calling function.
1343  * Due to a lack of meaningful error code in DDI, the gauranteed return of
1344  * DDI_SUCCESS from here makes the code organization readable/easier from
1345  * the generic code.
1346  */
1347 /*ARGSUSED*/
1348 int
1349 px_lib_map_vconfig(dev_info_t *dip,
1350 	ddi_map_req_t *mp, pci_config_offset_t off,
1351 	pci_regspec_t *rp, caddr_t *addrp)
1352 {
1353 	ddi_acc_hdl_t *hp;
1354 	ddi_acc_impl_t *ap;
1355 	uchar_t busnum;	/* bus number */
1356 	uchar_t devnum;	/* device number */
1357 	uchar_t funcnum; /* function number */
1358 	px_config_acc_pvt_t *px_pvt;
1359 
1360 	hp = (ddi_acc_hdl_t *)mp->map_handlep;
1361 	ap = (ddi_acc_impl_t *)hp->ah_platform_private;
1362 
1363 	/* Check for mapping teardown operation */
1364 	if ((mp->map_op == DDI_MO_UNMAP) ||
1365 			(mp->map_op == DDI_MO_UNLOCK)) {
1366 		/* free up memory allocated for the private access handle. */
1367 		px_pvt = (px_config_acc_pvt_t *)hp->ah_bus_private;
1368 		kmem_free((void *)px_pvt, sizeof (px_config_acc_pvt_t));
1369 
1370 		/* unmap operation of PCI IO/config space. */
1371 		return (DDI_SUCCESS);
1372 	}
1373 
1374 	ap->ahi_get8 = px_pci_config_get8;
1375 	ap->ahi_get16 = px_pci_config_get16;
1376 	ap->ahi_get32 = px_pci_config_get32;
1377 	ap->ahi_get64 = px_pci_config_get64;
1378 	ap->ahi_put8 = px_pci_config_put8;
1379 	ap->ahi_put16 = px_pci_config_put16;
1380 	ap->ahi_put32 = px_pci_config_put32;
1381 	ap->ahi_put64 = px_pci_config_put64;
1382 	ap->ahi_rep_get8 = px_pci_config_rep_get8;
1383 	ap->ahi_rep_get16 = px_pci_config_rep_get16;
1384 	ap->ahi_rep_get32 = px_pci_config_rep_get32;
1385 	ap->ahi_rep_get64 = px_pci_config_rep_get64;
1386 	ap->ahi_rep_put8 = px_pci_config_rep_put8;
1387 	ap->ahi_rep_put16 = px_pci_config_rep_put16;
1388 	ap->ahi_rep_put32 = px_pci_config_rep_put32;
1389 	ap->ahi_rep_put64 = px_pci_config_rep_put64;
1390 
1391 	/* Initialize to default check/notify functions */
1392 	ap->ahi_fault = 0;
1393 	ap->ahi_fault_check = i_ddi_acc_fault_check;
1394 	ap->ahi_fault_notify = i_ddi_acc_fault_notify;
1395 
1396 	/* allocate memory for our private handle */
1397 	px_pvt = (px_config_acc_pvt_t *)
1398 			kmem_zalloc(sizeof (px_config_acc_pvt_t), KM_SLEEP);
1399 	hp->ah_bus_private = (void *)px_pvt;
1400 
1401 	busnum = PCI_REG_BUS_G(rp->pci_phys_hi);
1402 	devnum = PCI_REG_DEV_G(rp->pci_phys_hi);
1403 	funcnum = PCI_REG_FUNC_G(rp->pci_phys_hi);
1404 
1405 	/* set up private data for use during IO routines */
1406 
1407 	/* addr needed by the HV APIs */
1408 	px_pvt->raddr = busnum << 16 | devnum << 11 | funcnum << 8;
1409 	/*
1410 	 * Address that specifies the actual offset into the 256MB
1411 	 * memory mapped configuration space, 4K per device.
1412 	 * First 12bits form the offset into 4K config space.
1413 	 * This address is only used during the IO routines to calculate
1414 	 * the offset at which the transaction must be performed.
1415 	 * Drivers bypassing DDI functions to access PCI config space will
1416 	 * panic the system since the following is a bogus virtual address.
1417 	 */
1418 	px_pvt->vaddr = busnum << 20 | devnum << 15 | funcnum << 12 | off;
1419 	px_pvt->dip = dip;
1420 
1421 	DBG(DBG_LIB_CFG, dip, "px_config_setup: raddr 0x%x, vaddr 0x%x\n",
1422 				px_pvt->raddr, px_pvt->vaddr);
1423 	*addrp = (caddr_t)(uintptr_t)px_pvt->vaddr;
1424 	return (DDI_SUCCESS);
1425 }
1426 
1427 /*ARGSUSED*/
1428 void
1429 px_lib_map_attr_check(ddi_map_req_t *mp)
1430 {
1431 }
1432 
1433 /*
1434  * px_lib_log_safeacc_err:
1435  * Imitate a cpu/mem trap call when a peek/poke fails.
1436  * This will initiate something similar to px_fm_callback.
1437  */
1438 static void
1439 px_lib_log_safeacc_err(px_t *px_p, ddi_acc_handle_t handle, int fme_flag,
1440     r_addr_t addr)
1441 {
1442 	uint32_t	addr_high, addr_low;
1443 	pcie_req_id_t	bdf;
1444 	px_ranges_t	*ranges_p;
1445 	int		range_len, i;
1446 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)handle;
1447 	ddi_fm_error_t derr;
1448 
1449 	derr.fme_status = DDI_FM_NONFATAL;
1450 	derr.fme_version = DDI_FME_VERSION;
1451 	derr.fme_flag = fme_flag;
1452 	derr.fme_ena = fm_ena_generate(0, FM_ENA_FMT1);
1453 	derr.fme_acc_handle = handle;
1454 	if (hp)
1455 		hp->ahi_err->err_expected = DDI_FM_ERR_EXPECTED;
1456 
1457 	addr_high = (uint32_t)(addr >> 32);
1458 	addr_low = (uint32_t)addr;
1459 
1460 	/*
1461 	 * Make sure this failed load came from this PCIe port.  Check by
1462 	 * matching the upper 32 bits of the address with the ranges property.
1463 	 */
1464 	range_len = px_p->px_ranges_length / sizeof (px_ranges_t);
1465 	i = 0;
1466 	for (ranges_p = px_p->px_ranges_p; i < range_len; i++, ranges_p++) {
1467 		if (ranges_p->parent_high == addr_high) {
1468 			switch (ranges_p->child_high & PCI_ADDR_MASK) {
1469 			case PCI_ADDR_CONFIG:
1470 				bdf = (pcie_req_id_t)(addr_low >> 12);
1471 				break;
1472 			default:
1473 				bdf = NULL;
1474 				break;
1475 			}
1476 			break;
1477 		}
1478 	}
1479 
1480 	mutex_enter(&px_p->px_fm_mutex);
1481 
1482 	if (!px_lib_is_in_drain_state(px_p)) {
1483 		/*
1484 		 * This is to ensure that device corresponding to the addr of
1485 		 * the failed PIO/CFG load gets scanned.
1486 		 */
1487 		px_rp_en_q(px_p, bdf, addr,
1488 		    (PCI_STAT_R_MAST_AB | PCI_STAT_R_TARG_AB));
1489 		(void) pf_scan_fabric(px_p->px_dip, &derr,
1490 		    px_p->px_dq_p, &px_p->px_dq_tail);
1491 	}
1492 
1493 	mutex_exit(&px_p->px_fm_mutex);
1494 }
1495 
1496 
1497 #ifdef  DEBUG
1498 int	px_peekfault_cnt = 0;
1499 int	px_pokefault_cnt = 0;
1500 #endif  /* DEBUG */
1501 
1502 /*
1503  * Do a safe write to a device.
1504  *
1505  * When this function is given a handle (cautious access), all errors are
1506  * suppressed.
1507  *
1508  * When this function is not given a handle (poke), only Unsupported Request
1509  * and Completer Abort errors are suppressed.
1510  *
1511  * In all cases, all errors are returned in the function return status.
1512  */
1513 
1514 int
1515 px_lib_ctlops_poke(dev_info_t *dip, dev_info_t *rdip,
1516     peekpoke_ctlops_t *in_args)
1517 {
1518 	px_t *px_p = DIP_TO_STATE(dip);
1519 	px_pec_t *pec_p = px_p->px_pec_p;
1520 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle;
1521 
1522 	size_t repcount = in_args->repcount;
1523 	size_t size = in_args->size;
1524 	uintptr_t dev_addr = in_args->dev_addr;
1525 	uintptr_t host_addr = in_args->host_addr;
1526 
1527 	int err	= DDI_SUCCESS;
1528 	uint64_t hvio_poke_status;
1529 	uint32_t wrt_stat;
1530 
1531 	r_addr_t ra;
1532 	uint64_t pokeval;
1533 	pcie_req_id_t bdf;
1534 
1535 	ra = (r_addr_t)va_to_pa((void *)dev_addr);
1536 	for (; repcount; repcount--) {
1537 
1538 		switch (size) {
1539 		case sizeof (uint8_t):
1540 			pokeval = *(uint8_t *)host_addr;
1541 			break;
1542 		case sizeof (uint16_t):
1543 			pokeval = *(uint16_t *)host_addr;
1544 			break;
1545 		case sizeof (uint32_t):
1546 			pokeval = *(uint32_t *)host_addr;
1547 			break;
1548 		case sizeof (uint64_t):
1549 			pokeval = *(uint64_t *)host_addr;
1550 			break;
1551 		default:
1552 			DBG(DBG_MAP, px_p->px_dip,
1553 			    "poke: invalid size %d passed\n", size);
1554 			err = DDI_FAILURE;
1555 			goto done;
1556 		}
1557 
1558 		/*
1559 		 * Grab pokefault mutex since hypervisor does not guarantee
1560 		 * poke serialization.
1561 		 */
1562 		if (hp) {
1563 			i_ndi_busop_access_enter(hp->ahi_common.ah_dip,
1564 			    (ddi_acc_handle_t)hp);
1565 			pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED;
1566 		} else {
1567 			mutex_enter(&pec_p->pec_pokefault_mutex);
1568 			pec_p->pec_safeacc_type = DDI_FM_ERR_POKE;
1569 		}
1570 
1571 		if (pcie_get_bdf_from_dip(rdip, &bdf) != DDI_SUCCESS) {
1572 			err = DDI_FAILURE;
1573 			goto done;
1574 		}
1575 
1576 		hvio_poke_status = hvio_poke(px_p->px_dev_hdl, ra, size,
1577 		    pokeval, bdf << 8, &wrt_stat);
1578 
1579 		if ((hvio_poke_status != H_EOK) || (wrt_stat != H_EOK)) {
1580 			err = DDI_FAILURE;
1581 #ifdef  DEBUG
1582 			px_pokefault_cnt++;
1583 #endif
1584 			/*
1585 			 * For CAUTIOUS and POKE access, notify FMA to
1586 			 * cleanup.  Imitate a cpu/mem trap call like in sun4u.
1587 			 */
1588 			px_lib_log_safeacc_err(px_p, (ddi_acc_handle_t)hp,
1589 			    (hp ? DDI_FM_ERR_EXPECTED :
1590 			    DDI_FM_ERR_POKE), ra);
1591 
1592 			pec_p->pec_ontrap_data = NULL;
1593 			pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1594 			if (hp) {
1595 				i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1596 				    (ddi_acc_handle_t)hp);
1597 			} else {
1598 				mutex_exit(&pec_p->pec_pokefault_mutex);
1599 			}
1600 			goto done;
1601 		}
1602 
1603 		pec_p->pec_ontrap_data = NULL;
1604 		pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1605 		if (hp) {
1606 			i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1607 			    (ddi_acc_handle_t)hp);
1608 		} else {
1609 			mutex_exit(&pec_p->pec_pokefault_mutex);
1610 		}
1611 
1612 		host_addr += size;
1613 
1614 		if (in_args->flags == DDI_DEV_AUTOINCR) {
1615 			dev_addr += size;
1616 			ra = (r_addr_t)va_to_pa((void *)dev_addr);
1617 		}
1618 	}
1619 
1620 done:
1621 	return (err);
1622 }
1623 
1624 
1625 /*ARGSUSED*/
1626 int
1627 px_lib_ctlops_peek(dev_info_t *dip, dev_info_t *rdip,
1628     peekpoke_ctlops_t *in_args, void *result)
1629 {
1630 	px_t *px_p = DIP_TO_STATE(dip);
1631 	px_pec_t *pec_p = px_p->px_pec_p;
1632 	ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle;
1633 
1634 	size_t repcount = in_args->repcount;
1635 	uintptr_t dev_addr = in_args->dev_addr;
1636 	uintptr_t host_addr = in_args->host_addr;
1637 
1638 	r_addr_t ra;
1639 	uint32_t read_status;
1640 	uint64_t hvio_peek_status;
1641 	uint64_t peekval;
1642 	int err = DDI_SUCCESS;
1643 
1644 	result = (void *)in_args->host_addr;
1645 
1646 	ra = (r_addr_t)va_to_pa((void *)dev_addr);
1647 	for (; repcount; repcount--) {
1648 
1649 		/* Lock pokefault mutex so read doesn't mask a poke fault. */
1650 		if (hp) {
1651 			i_ndi_busop_access_enter(hp->ahi_common.ah_dip,
1652 			    (ddi_acc_handle_t)hp);
1653 			pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED;
1654 		} else {
1655 			mutex_enter(&pec_p->pec_pokefault_mutex);
1656 			pec_p->pec_safeacc_type = DDI_FM_ERR_PEEK;
1657 		}
1658 
1659 		hvio_peek_status = hvio_peek(px_p->px_dev_hdl, ra,
1660 		    in_args->size, &read_status, &peekval);
1661 
1662 		if ((hvio_peek_status != H_EOK) || (read_status != H_EOK)) {
1663 			err = DDI_FAILURE;
1664 
1665 			/*
1666 			 * For CAUTIOUS and PEEK access, notify FMA to
1667 			 * cleanup.  Imitate a cpu/mem trap call like in sun4u.
1668 			 */
1669 			px_lib_log_safeacc_err(px_p, (ddi_acc_handle_t)hp,
1670 			    (hp ? DDI_FM_ERR_EXPECTED :
1671 			    DDI_FM_ERR_PEEK), ra);
1672 
1673 			/* Stuff FFs in host addr if peek. */
1674 			if (hp == NULL) {
1675 				int i;
1676 				uint8_t *ff_addr = (uint8_t *)host_addr;
1677 				for (i = 0; i < in_args->size; i++)
1678 					*ff_addr++ = 0xff;
1679 			}
1680 #ifdef  DEBUG
1681 			px_peekfault_cnt++;
1682 #endif
1683 			pec_p->pec_ontrap_data = NULL;
1684 			pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1685 			if (hp) {
1686 				i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1687 				    (ddi_acc_handle_t)hp);
1688 			} else {
1689 				mutex_exit(&pec_p->pec_pokefault_mutex);
1690 			}
1691 			goto done;
1692 
1693 		}
1694 		pec_p->pec_ontrap_data = NULL;
1695 		pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
1696 		if (hp) {
1697 			i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
1698 			    (ddi_acc_handle_t)hp);
1699 		} else {
1700 			mutex_exit(&pec_p->pec_pokefault_mutex);
1701 		}
1702 
1703 		switch (in_args->size) {
1704 		case sizeof (uint8_t):
1705 			*(uint8_t *)host_addr = (uint8_t)peekval;
1706 			break;
1707 		case sizeof (uint16_t):
1708 			*(uint16_t *)host_addr = (uint16_t)peekval;
1709 			break;
1710 		case sizeof (uint32_t):
1711 			*(uint32_t *)host_addr = (uint32_t)peekval;
1712 			break;
1713 		case sizeof (uint64_t):
1714 			*(uint64_t *)host_addr = (uint64_t)peekval;
1715 			break;
1716 		default:
1717 			DBG(DBG_MAP, px_p->px_dip,
1718 			    "peek: invalid size %d passed\n",
1719 			    in_args->size);
1720 			err = DDI_FAILURE;
1721 			goto done;
1722 		}
1723 
1724 		host_addr += in_args->size;
1725 
1726 		if (in_args->flags == DDI_DEV_AUTOINCR) {
1727 			dev_addr += in_args->size;
1728 			ra = (r_addr_t)va_to_pa((void *)dev_addr);
1729 		}
1730 	}
1731 done:
1732 	return (err);
1733 }
1734 
1735 
1736 /* add interrupt vector */
1737 int
1738 px_err_add_intr(px_fault_t *px_fault_p)
1739 {
1740 	px_t	*px_p = DIP_TO_STATE(px_fault_p->px_fh_dip);
1741 
1742 	DBG(DBG_LIB_INT, px_p->px_dip,
1743 	    "px_err_add_intr: calling add_ivintr");
1744 
1745 	VERIFY(add_ivintr(px_fault_p->px_fh_sysino, PX_ERR_PIL,
1746 	    (intrfunc)px_fault_p->px_err_func, (caddr_t)px_fault_p, NULL,
1747 	    (caddr_t)&px_fault_p->px_intr_payload[0]) == 0);
1748 
1749 	DBG(DBG_LIB_INT, px_p->px_dip,
1750 	    "px_err_add_intr: ib_intr_enable ");
1751 
1752 	px_ib_intr_enable(px_p, intr_dist_cpuid(), px_fault_p->px_intr_ino);
1753 
1754 	return (DDI_SUCCESS);
1755 }
1756 
1757 /* remove interrupt vector */
1758 void
1759 px_err_rem_intr(px_fault_t *px_fault_p)
1760 {
1761 	px_t	*px_p = DIP_TO_STATE(px_fault_p->px_fh_dip);
1762 
1763 	px_ib_intr_disable(px_p->px_ib_p, px_fault_p->px_intr_ino,
1764 	    IB_INTR_WAIT);
1765 
1766 	VERIFY(rem_ivintr(px_fault_p->px_fh_sysino, PX_ERR_PIL) == 0);
1767 }
1768 
1769 void
1770 px_cb_intr_redist(void *arg)
1771 {
1772 	px_t	*px_p = (px_t *)arg;
1773 	px_ib_intr_dist_en(px_p->px_dip, intr_dist_cpuid(),
1774 	    px_p->px_inos[PX_INTR_XBC], B_FALSE);
1775 }
1776 
1777 int
1778 px_cb_add_intr(px_fault_t *f_p)
1779 {
1780 	px_t	*px_p = DIP_TO_STATE(f_p->px_fh_dip);
1781 
1782 	DBG(DBG_LIB_INT, px_p->px_dip,
1783 	    "px_err_add_intr: calling add_ivintr");
1784 
1785 	VERIFY(add_ivintr(f_p->px_fh_sysino, PX_ERR_PIL,
1786 	    (intrfunc)f_p->px_err_func, (caddr_t)f_p, NULL,
1787 	    (caddr_t)&f_p->px_intr_payload[0]) == 0);
1788 
1789 	intr_dist_add(px_cb_intr_redist, px_p);
1790 
1791 	DBG(DBG_LIB_INT, px_p->px_dip,
1792 	    "px_err_add_intr: ib_intr_enable ");
1793 
1794 	px_ib_intr_enable(px_p, intr_dist_cpuid(), f_p->px_intr_ino);
1795 
1796 	return (DDI_SUCCESS);
1797 }
1798 
1799 void
1800 px_cb_rem_intr(px_fault_t *f_p)
1801 {
1802 	intr_dist_rem(px_cb_intr_redist, DIP_TO_STATE(f_p->px_fh_dip));
1803 	px_err_rem_intr(f_p);
1804 }
1805 
1806 #ifdef FMA
1807 void
1808 px_fill_rc_status(px_fault_t *px_fault_p, pciex_rc_error_regs_t *rc_status)
1809 {
1810 	px_pec_err_t	*err_pkt;
1811 
1812 	err_pkt = (px_pec_err_t *)px_fault_p->px_intr_payload;
1813 
1814 	/* initialise all the structure members */
1815 	rc_status->status_valid = 0;
1816 
1817 	if (err_pkt->pec_descr.P) {
1818 		/* PCI Status Register */
1819 		rc_status->pci_err_status = err_pkt->pci_err_status;
1820 		rc_status->status_valid |= PCI_ERR_STATUS_VALID;
1821 	}
1822 
1823 	if (err_pkt->pec_descr.E) {
1824 		/* PCIe Status Register */
1825 		rc_status->pcie_err_status = err_pkt->pcie_err_status;
1826 		rc_status->status_valid |= PCIE_ERR_STATUS_VALID;
1827 	}
1828 
1829 	if (err_pkt->pec_descr.U) {
1830 		rc_status->ue_status = err_pkt->ue_reg_status;
1831 		rc_status->status_valid |= UE_STATUS_VALID;
1832 	}
1833 
1834 	if (err_pkt->pec_descr.H) {
1835 		rc_status->ue_hdr1 = err_pkt->hdr[0];
1836 		rc_status->status_valid |= UE_HDR1_VALID;
1837 	}
1838 
1839 	if (err_pkt->pec_descr.I) {
1840 		rc_status->ue_hdr2 = err_pkt->hdr[1];
1841 		rc_status->status_valid |= UE_HDR2_VALID;
1842 	}
1843 
1844 	/* ue_fst_err_ptr - not available for sun4v?? */
1845 
1846 
1847 	if (err_pkt->pec_descr.S) {
1848 		rc_status->source_id = err_pkt->err_src_reg;
1849 		rc_status->status_valid |= SOURCE_ID_VALID;
1850 	}
1851 
1852 	if (err_pkt->pec_descr.R) {
1853 		rc_status->root_err_status = err_pkt->root_err_status;
1854 		rc_status->status_valid |= CE_STATUS_VALID;
1855 	}
1856 }
1857 #endif
1858 
1859 /*ARGSUSED*/
1860 int
1861 px_lib_pmctl(int cmd, px_t *px_p)
1862 {
1863 	return (DDI_FAILURE);
1864 }
1865 
1866 /*ARGSUSED*/
1867 uint_t
1868 px_pmeq_intr(caddr_t arg)
1869 {
1870 	return (DDI_INTR_CLAIMED);
1871 }
1872 
1873 /*
1874  * Unprotected raw reads/writes of fabric device's config space.
1875  * Only used for temporary PCI-E Fabric Error Handling.
1876  */
1877 uint32_t
1878 px_fab_get(px_t *px_p, pcie_req_id_t bdf, uint16_t offset) {
1879 	uint32_t 	data = 0;
1880 
1881 	(void) hvio_config_get(px_p->px_dev_hdl,
1882 	    (bdf << PX_RA_BDF_SHIFT), offset, 4,
1883 	    (pci_cfg_data_t *)&data);
1884 
1885 	return (data);
1886 }
1887 
1888 void
1889 px_fab_set(px_t *px_p, pcie_req_id_t bdf, uint16_t offset,
1890     uint32_t val) {
1891 	pci_cfg_data_t	wdata = { 0 };
1892 
1893 	wdata.qw = (uint32_t)val;
1894 	(void) hvio_config_put(px_p->px_dev_hdl,
1895 	    (bdf << PX_RA_BDF_SHIFT), offset, 4, wdata);
1896 }
1897 
1898 /*ARGSUSED*/
1899 int
1900 px_lib_hotplug_init(dev_info_t *dip, void *arg)
1901 {
1902 	return (DDI_ENOTSUP);
1903 }
1904 
1905 /*ARGSUSED*/
1906 void
1907 px_lib_hotplug_uninit(dev_info_t *dip)
1908 {
1909 }
1910 
1911 /*ARGSUSED*/
1912 void
1913 px_hp_intr_redist(px_t *px_p)
1914 {
1915 }
1916 
1917 /* Dummy cpr add callback */
1918 /*ARGSUSED*/
1919 void
1920 px_cpr_add_callb(px_t *px_p)
1921 {
1922 }
1923 
1924 /* Dummy cpr rem callback */
1925 /*ARGSUSED*/
1926 void
1927 px_cpr_rem_callb(px_t *px_p)
1928 {
1929 }
1930 
1931 /*ARGSUSED*/
1932 boolean_t
1933 px_lib_is_in_drain_state(px_t *px_p)
1934 {
1935 	return (B_FALSE);
1936 }
1937 
1938 /*
1939  * There is no IOAPI to get the BDF of the pcie root port nexus at this moment.
1940  * Assume it is 0x0000, until otherwise noted.  For now, all sun4v platforms
1941  * have programmed the BDF to be 0x0000.
1942  */
1943 /*ARGSUSED*/
1944 pcie_req_id_t
1945 px_lib_get_bdf(px_t *px_p)
1946 {
1947 	return (0x0000);
1948 }
1949