memobj-r0drv-solaris.c@ 8170

Last change on this file since 8170 was 8170, checked in by vboxsync, 17 years ago
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1	/* $Id: memobj-r0drv-solaris.c 8170 2008-04-18 17:52:25Z vboxsync $ */
2	/** @file
3	* Incredibly Portable Runtime - Ring-0 Memory Objects, Solaris.
4	*/
5
6	/*
7	* Copyright (C) 2006-2007 Sun Microsystems, Inc.
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*
17	* The contents of this file may alternatively be used under the terms
18	* of the Common Development and Distribution License Version 1.0
19	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20	* VirtualBox OSE distribution, in which case the provisions of the
21	* CDDL are applicable instead of those of the GPL.
22	*
23	* You may elect to license modified versions of this file under the
24	* terms and conditions of either the GPL or the CDDL or both.
25	*
26	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
27	* Clara, CA 95054 USA or visit http://www.sun.com if you need
28	* additional information or have any questions.
29	*/
30
31
32	/*******************************************************************************
33	* Header Files *
34	*******************************************************************************/
35	#include "the-solaris-kernel.h"
36
37	#include <iprt/memobj.h>
38	#include <iprt/mem.h>
39	#include <iprt/err.h>
40	#include <iprt/assert.h>
41	#include <iprt/log.h>
42	#include <iprt/param.h>
43	#include <iprt/process.h>
44	#include "internal/memobj.h"
45
46
47	/*******************************************************************************
48	* Structures and Typedefs *
49	*******************************************************************************/
50	/**
51	* The Solaris version of the memory object structure.
52	*/
53	typedef struct RTR0MEMOBJSOLARIS
54	{
55	/** The core structure. */
56	RTR0MEMOBJINTERNAL Core;
57	/** Pointer to kernel memory cookie. */
58	ddi_umem_cookie_t Cookie;
59	/** Shadow locked pages. */
60	page_t **ppShadowPages;
61	} RTR0MEMOBJSOLARIS, *PRTR0MEMOBJSOLARIS;
62
63	/**
64	* Used for supplying the solaris kernel info. about memory limits
65	* during contiguous allocations (i_ddi_mem_alloc)
66	*/
67	struct ddi_dma_attr g_SolarisX86PhysMemLimits =
68	{
69	DMA_ATTR_V0, /* Version Number */
70	(uint64_t)0, /* lower limit */
71	(uint64_t)0xffffffff, /* high limit (32-bit PA, 4G) */
72	(uint64_t)0xffffffff, /* counter limit */
73	(uint64_t)PAGE_SIZE, /* alignment */
74	(uint64_t)PAGE_SIZE, /* burst size */
75	(uint64_t)PAGE_SIZE, /* effective DMA size */
76	(uint64_t)0xffffffff, /* max DMA xfer size */
77	(uint64_t)0xffffffff, /* segment boundary */
78	1, /* scatter-gather list length (1 for contiguous) */
79	1, /* device granularity */
80	0 /* bus-specific flags */
81	};
82
83
84
85	static uint64_t rtR0MemObjSolarisVirtToPhys(struct hat* hatSpace, caddr_t virtAddr)
86	{
87	/* We could use paddr_t (more solaris-like) rather than uint64_t but paddr_t isn't defined for 64-bit */
88	pfn_t pfn = hat_getpfnum(hatSpace, virtAddr);
89	if (pfn == PFN_INVALID)
90	{
91	AssertMsgFailed(("rtR0MemObjSolarisVirtToPhys: hat_getpfnum for %p failed.\n", virtAddr));
92	return PFN_INVALID;
93	}
94
95	/* Both works, but second will work for non-page aligned virtAddr */
96	#if 0
97	uint64_t physAddr = PAGE_SIZE * pfn;
98	#else
99	uint64_t physAddr = ((uint64_t)pfn << MMU_PAGESHIFT) \| ((uintptr_t)virtAddr & MMU_PAGEOFFSET);
100	#endif
101	return physAddr;
102	}
103
104
105	int rtR0MemObjNativeFree(RTR0MEMOBJ pMem)
106	{
107	PRTR0MEMOBJSOLARIS pMemSolaris = (PRTR0MEMOBJSOLARIS)pMem;
108
109	switch (pMemSolaris->Core.enmType)
110	{
111	case RTR0MEMOBJTYPE_CONT:
112	i_ddi_mem_free(pMemSolaris->Core.pv, NULL);
113	break;
114
115	case RTR0MEMOBJTYPE_PAGE:
116	ddi_umem_free(pMemSolaris->Cookie);
117	break;
118
119	case RTR0MEMOBJTYPE_LOCK:
120	{
121	struct as *addrSpace;
122	if (pMemSolaris->Core.u.Lock.R0Process == NIL_RTR0PROCESS)
123	addrSpace = &kas;
124	else
125	addrSpace = ((proc_t *)pMemSolaris->Core.u.Lock.R0Process)->p_as;
126
127	as_pageunlock(addrSpace, pMemSolaris->ppShadowPages, pMemSolaris->Core.pv, pMemSolaris->Core.cb, S_WRITE);
128	break;
129	}
130
131	case RTR0MEMOBJTYPE_MAPPING:
132	{
133	struct hat *hatSpace;
134	struct as *addrSpace;
135	if (pMemSolaris->Core.u.Mapping.R0Process == NIL_RTR0PROCESS)
136	{
137	/* Kernel process*/
138	hatSpace = kas.a_hat;
139	addrSpace = &kas;
140	}
141	else
142	{
143	/* User process */
144	proc_t userProc = (proc_t )pMemSolaris->Core.u.Mapping.R0Process;
145	hatSpace = userProc->p_as->a_hat;
146	addrSpace = userProc->p_as;
147	}
148
149	rw_enter(&addrSpace->a_lock, RW_READER);
150	hat_unload(hatSpace, pMemSolaris->Core.pv, pMemSolaris->Core.cb, HAT_UNLOAD_UNLOCK);
151	rw_exit(&addrSpace->a_lock);
152	as_unmap(addrSpace, pMemSolaris->Core.pv, pMemSolaris->Core.cb);
153	break;
154	}
155
156	/* unused */
157	case RTR0MEMOBJTYPE_LOW:
158	case RTR0MEMOBJTYPE_PHYS:
159	case RTR0MEMOBJTYPE_RES_VIRT:
160	default:
161	AssertMsgFailed(("enmType=%d\n", pMemSolaris->Core.enmType));
162	return VERR_INTERNAL_ERROR;
163	}
164
165	return VINF_SUCCESS;
166	}
167
168
169	int rtR0MemObjNativeAllocPage(PPRTR0MEMOBJINTERNAL ppMem, size_t cb, bool fExecutable)
170	{
171	/* Create the object */
172	PRTR0MEMOBJSOLARIS pMemSolaris = (PRTR0MEMOBJSOLARIS)rtR0MemObjNew(sizeof(*pMemSolaris), RTR0MEMOBJTYPE_PAGE, NULL, cb);
173	if (!pMemSolaris)
174	return VERR_NO_MEMORY;
175
176	void *virtAddr = ddi_umem_alloc(cb, DDI_UMEM_SLEEP, &pMemSolaris->Cookie);
177	if (!virtAddr)
178	{
179	rtR0MemObjDelete(&pMemSolaris->Core);
180	return VERR_NO_PAGE_MEMORY;
181	}
182
183	pMemSolaris->Core.pv = virtAddr;
184	pMemSolaris->ppShadowPages = NULL;
185	*ppMem = &pMemSolaris->Core;
186	return VINF_SUCCESS;
187	}
188
189
190	int rtR0MemObjNativeAllocLow(PPRTR0MEMOBJINTERNAL ppMem, size_t cb, bool fExecutable)
191	{
192	/* Try page alloc first */
193	int rc = rtR0MemObjNativeAllocPage(ppMem, cb, fExecutable);
194	if (RT_SUCCESS(rc))
195	{
196	size_t iPage = cb >> PAGE_SHIFT;
197	while (iPage-- > 0)
198	if (rtR0MemObjNativeGetPagePhysAddr(*ppMem, iPage) > (_4G - PAGE_SIZE))
199	{
200	/* Failed! Fall back to physical contiguous alloc */
201	RTR0MemObjFree(*ppMem, false);
202	rc = rtR0MemObjNativeAllocCont(ppMem, cb, fExecutable);
203	break;
204	}
205	}
206	return rc;
207	}
208
209
210	int rtR0MemObjNativeAllocCont(PPRTR0MEMOBJINTERNAL ppMem, size_t cb, bool fExecutable)
211	{
212	NOREF(fExecutable);
213
214	/* Create the object */
215	PRTR0MEMOBJSOLARIS pMemSolaris = (PRTR0MEMOBJSOLARIS)rtR0MemObjNew(sizeof(*pMemSolaris), RTR0MEMOBJTYPE_CONT, NULL, cb);
216	if (!pMemSolaris)
217	return VERR_NO_MEMORY;
218
219	/* Allocate physically contiguous page-aligned memory. */
220	caddr_t virtAddr;
221	int rc = i_ddi_mem_alloc(NULL, &g_SolarisX86PhysMemLimits, cb, 1, 0, NULL, &virtAddr, NULL, NULL);
222	if (rc != DDI_SUCCESS)
223	{
224	rtR0MemObjDelete(&pMemSolaris->Core);
225	return VERR_NO_CONT_MEMORY;
226	}
227
228	pMemSolaris->Core.pv = virtAddr;
229	pMemSolaris->Core.u.Cont.Phys = rtR0MemObjSolarisVirtToPhys(kas.a_hat, virtAddr);
230	pMemSolaris->ppShadowPages = NULL;
231	*ppMem = &pMemSolaris->Core;
232	return VINF_SUCCESS;
233	}
234
235
236	int rtR0MemObjNativeAllocPhysNC(PPRTR0MEMOBJINTERNAL ppMem, size_t cb, RTHCPHYS PhysHighest)
237	{
238	/** @todo rtR0MemObjNativeAllocPhysNC / solaris */
239	return VERR_NOT_SUPPORTED; /* see the RTR0MemObjAllocPhysNC specs */
240	}
241
242
243	int rtR0MemObjNativeAllocPhys(PPRTR0MEMOBJINTERNAL ppMem, size_t cb, RTHCPHYS PhysHighest)
244	{
245	AssertMsgReturn(PhysHighest >= 16 *_1M, ("PhysHigest=%VHp\n", PhysHighest), VERR_NOT_IMPLEMENTED);
246
247	return rtR0MemObjNativeAllocCont(ppMem, cb, false);
248	}
249
250
251	int rtR0MemObjNativeEnterPhys(PPRTR0MEMOBJINTERNAL ppMem, RTHCPHYS Phys, size_t cb)
252	{
253	/* Create the object */
254	PRTR0MEMOBJSOLARIS pMemSolaris = (PRTR0MEMOBJSOLARIS)rtR0MemObjNew(sizeof(*pMemSolaris), RTR0MEMOBJTYPE_PHYS, NULL, cb);
255	if (!pMemSolaris)
256	return VERR_NO_MEMORY;
257
258	/* There is no allocation here, it needs to be mapped somewhere first */
259	pMemSolaris->Core.u.Phys.fAllocated = false;
260	pMemSolaris->Core.u.Phys.PhysBase = Phys;
261	*ppMem = &pMemSolaris->Core;
262	return VINF_SUCCESS;
263	}
264
265
266	int rtR0MemObjNativeLockUser(PPRTR0MEMOBJINTERNAL ppMem, RTR3PTR R3Ptr, size_t cb, RTR0PROCESS R0Process)
267	{
268	/* Create the locking object */
269	PRTR0MEMOBJSOLARIS pMemSolaris = (PRTR0MEMOBJSOLARIS)rtR0MemObjNew(sizeof(pMemSolaris), RTR0MEMOBJTYPE_LOCK, (void )R3Ptr, cb);
270	if (!pMemSolaris)
271	return VERR_NO_MEMORY;
272
273	proc_t *userproc = curproc;
274	if (R0Process != NIL_RTR0PROCESS)
275	userproc = (proc_t *)R0Process;
276
277	struct as *useras = userproc->p_as;
278	page_t **ppl;
279
280	/* Lock down user pages */
281	int rc = as_pagelock(useras, &ppl, (caddr_t)R3Ptr, cb, S_WRITE);
282	if (rc != 0)
283	{
284	cmn_err(CE_NOTE,"rtR0MemObjNativeLockUser: as_pagelock failed rc=%d\n", rc);
285	return VERR_LOCK_FAILED;
286	}
287
288	if (!ppl)
289	{
290	as_pageunlock(useras, ppl, (caddr_t)R3Ptr, cb, S_WRITE);
291	cmn_err(CE_NOTE, "rtR0MemObjNativeLockUser: as_pagelock failed to get shadow pages\n");
292	return VERR_LOCK_FAILED;
293	}
294
295	pMemSolaris->Core.u.Lock.R0Process = (RTR0PROCESS)userproc;
296	pMemSolaris->ppShadowPages = ppl;
297	*ppMem = &pMemSolaris->Core;
298	return VINF_SUCCESS;
299	}
300
301
302	int rtR0MemObjNativeLockKernel(PPRTR0MEMOBJINTERNAL ppMem, void *pv, size_t cb)
303	{
304	/* Create the locking object */
305	PRTR0MEMOBJSOLARIS pMemSolaris = (PRTR0MEMOBJSOLARIS)rtR0MemObjNew(sizeof(*pMemSolaris), RTR0MEMOBJTYPE_LOCK, pv, cb);
306	if (!pMemSolaris)
307	return VERR_NO_MEMORY;
308
309	caddr_t virtAddr = (caddr_t)((uintptr_t)pv & (uintptr_t)PAGEMASK);
310	page_t **ppl;
311
312	/* Lock down kernel pages */
313	int rc = as_pagelock(&kas, &ppl, virtAddr, cb, S_WRITE);
314	if (rc != 0)
315	{
316	cmn_err(CE_NOTE,"rtR0MemObjNativeLockKernel: as_pagelock failed rc=%d\n", rc);
317	return VERR_LOCK_FAILED;
318	}
319
320	if (!ppl)
321	{
322	as_pageunlock(&kas, ppl, virtAddr, cb, S_WRITE);
323	cmn_err(CE_NOTE, "rtR0MemObjNativeLockKernel: failed to get shadow pages\n");
324	return VERR_LOCK_FAILED;
325	}
326
327	pMemSolaris->Core.u.Lock.R0Process = NIL_RTR0PROCESS; /* means kernel, see rtR0MemObjNativeFree() */
328	pMemSolaris->ppShadowPages = ppl;
329	*ppMem = &pMemSolaris->Core;
330	return VINF_SUCCESS;
331	}
332
333
334	int rtR0MemObjNativeReserveKernel(PPRTR0MEMOBJINTERNAL ppMem, void *pvFixed, size_t cb, size_t uAlignment)
335	{
336	return VERR_NOT_IMPLEMENTED;
337	}
338
339
340	int rtR0MemObjNativeReserveUser(PPRTR0MEMOBJINTERNAL ppMem, RTR3PTR R3PtrFixed, size_t cb, size_t uAlignment, RTR0PROCESS R0Process)
341	{
342	return VERR_NOT_IMPLEMENTED;
343	}
344
345	int rtR0MemObjNativeMapKernel(PPRTR0MEMOBJINTERNAL ppMem, RTR0MEMOBJ pMemToMap, void *pvFixed, size_t uAlignment, unsigned fProt)
346	{
347	PRTR0MEMOBJSOLARIS pMemToMapSolaris = (PRTR0MEMOBJSOLARIS)pMemToMap;
348	size_t size = pMemToMapSolaris->Core.cb;
349	void *pv = pMemToMapSolaris->Core.pv;
350	pgcnt_t cPages = btop(size);
351	pgcnt_t iPage;
352	caddr_t addr;
353	int rc;
354
355	/* Create the mapping object */
356	PRTR0MEMOBJSOLARIS pMemSolaris = (PRTR0MEMOBJSOLARIS)rtR0MemObjNew(sizeof(*pMemSolaris), RTR0MEMOBJTYPE_MAPPING, pv, size);
357	if (!pMemSolaris)
358	return VERR_NO_MEMORY;
359
360	as_rangelock(&kas);
361	if (pvFixed != (void *)-1)
362	{
363	/* Use user specified address */
364	addr = (caddr_t)pvFixed;
365
366	/* Blow away any previous mapping */
367	as_unmap(&kas, addr, size);
368	}
369	else
370	{
371	/* Let the system choose an address */
372	map_addr(&addr, size, 0, 1, MAP_SHARED \| MAP_ANONYMOUS);
373	if (addr == NULL)
374	{
375	as_rangeunlock(&kas);
376	cmn_err(CE_NOTE, "rtR0MemObjNativeMapKernel: map_addr failed\n");
377	return VERR_NO_MEMORY;
378	}
379
380	/* Check address against alignment, fail if it doesn't match */
381	if ((uintptr_t)addr & (uAlignment - 1))
382	{
383	as_rangeunlock(&kas);
384	cmn_err(CE_NOTE, "rtR0MemObjNativeMapKernel: map_addr alignment(%ld) failed.\n", uAlignment);
385	return VERR_MAP_FAILED;
386	}
387	}
388
389	/* Our protection masks are identical to <sys/mman.h> but we
390	* need to add PROT_USER for the pages to be accessible by user
391	*/
392	struct segvn_crargs crArgs = SEGVN_ZFOD_ARGS(fProt \| PROT_USER, PROT_ALL);
393	rc = as_map(&kas, addr, size, segvn_create, &crArgs);
394	as_rangeunlock(&kas);
395	if (rc != 0)
396	{
397	cmn_err(CE_NOTE, "rtR0MemObjNativeMapKernel: as_map failure.\n");
398	return VERR_NO_MEMORY;
399	}
400
401	/* Map each page into kernel space */
402	rw_enter(&kas.a_lock, RW_READER);
403	caddr_t kernAddr = pv;
404	caddr_t pageAddr = addr;
405	for (iPage = 0; iPage < cPages; iPage++)
406	{
407	page_t *pp = page_numtopp_nolock(hat_getpfnum(kas.a_hat, kernAddr));
408	hat_memload(kas.a_hat, pageAddr, pp, (fProt \| PROT_USER), HAT_LOAD_LOCK);
409	pageAddr += ptob(1);
410	kernAddr += ptob(1);
411	}
412	rw_exit(&kas.a_lock);
413
414	pMemSolaris->Core.u.Mapping.R0Process = NIL_RTR0PROCESS; /* means kernel */
415	pMemSolaris->Core.pv = addr;
416	*ppMem = &pMemSolaris->Core;
417	return VINF_SUCCESS;
418	}
419
420
421	int rtR0MemObjNativeMapUser(PPRTR0MEMOBJINTERNAL ppMem, PRTR0MEMOBJINTERNAL pMemToMap, RTR3PTR R3PtrFixed, size_t uAlignment, unsigned fProt, RTR0PROCESS R0Process)
422	{
423	PRTR0MEMOBJSOLARIS pMemToMapSolaris = (PRTR0MEMOBJSOLARIS)pMemToMap;
424	size_t size = pMemToMapSolaris->Core.cb;
425	proc_t userproc = (proc_t )R0Process;
426	struct as *useras = userproc->p_as;
427	void *pv = pMemToMapSolaris->Core.pv;
428	pgcnt_t cPages = btop(size);
429	pgcnt_t iPage;
430	caddr_t addr;
431	int rc;
432
433	/* Create the mapping object */
434	PRTR0MEMOBJSOLARIS pMemSolaris = (PRTR0MEMOBJSOLARIS)rtR0MemObjNew(sizeof(*pMemSolaris), RTR0MEMOBJTYPE_MAPPING, pv, size);
435	if (!pMemSolaris)
436	return VERR_NO_MEMORY;
437
438	as_rangelock(useras);
439	if (R3PtrFixed != (RTR3PTR)-1)
440	{
441	/* Use user specified address */
442	addr = (caddr_t)R3PtrFixed;
443
444	/* Verify user address (a bit paranoid) */
445	rc = valid_usr_range(addr, size, fProt, useras, (caddr_t)USERLIMIT32);
446	if (rc != RANGE_OKAY)
447	{
448	as_rangeunlock(useras);
449	cmn_err(CE_NOTE, "rtR0MemObjNativeMapUser: valid_usr_range failed, returned %d\n", rc);
450	return VERR_INVALID_POINTER;
451	}
452
453	/* Blow away any previous mapping */
454	as_unmap(useras, addr, size);
455	}
456	else
457	{
458	/* Let the system choose an address */
459	map_addr(&addr, size, 0, 1, MAP_SHARED \| MAP_ANONYMOUS);
460	if (addr == NULL)
461	{
462	as_rangeunlock(useras);
463	cmn_err(CE_NOTE, "rtR0MemObjNativeMapUser: map_addr failed\n");
464	return VERR_MAP_FAILED;
465	}
466
467	/* Check address against alignment, fail if it doesn't match */
468	if ((uintptr_t)addr & (uAlignment - 1))
469	{
470	as_rangeunlock(useras);
471	cmn_err(CE_NOTE, "rtR0MemObjNativeMapUser: map_addr alignment(%ld) failed.\n", uAlignment);
472	return VERR_MAP_FAILED;
473	}
474	}
475
476	/* Our protection masks are identical to <sys/mman.h> but we
477	* need to add PROT_USER for the pages to be accessible by user
478	*/
479	struct segvn_crargs crArgs = SEGVN_ZFOD_ARGS(fProt \| PROT_USER, PROT_ALL);
480	rc = as_map(useras, addr, size, segvn_create, &crArgs);
481	as_rangeunlock(useras);
482	if (rc != 0)
483	{
484	cmn_err(CE_NOTE, "rtR0MemObjNativeMapUser: as_map failure.\n");
485	return VERR_MAP_FAILED;
486	}
487
488	#if 0
489	/* Lock down the pages and get the shadow page list
490	* In this case we must as_pageunlock if(ppShadowPages) exists while freeing CONT, PAGE
491	*/
492	rc = as_pagelock(&kas, &pMemToMapSolaris->ppShadowPages, pv, size, S_WRITE);
493	if (rc != 0 \|\| pMemToMapSolaris->ppShadowPages == NULL)
494	{
495	cmn_err(CE_NOTE, "rtR0MemObjNativeMapUser: as_pagelock failed\n");
496	as_unmap(useras, addr, size);
497	return VERR_NO_MEMORY;
498	}
499
500	/* Map each page into user space */
501	rw_enter(&useras->a_lock, RW_READER);
502	caddr_t pageAddr = addr;
503	for (iPage = 0; iPage < cPages; iPage++)
504	{
505	hat_memload(useras->a_hat, pageAddr, pMemToMapSolaris->ppShadowPages[iPage], fProt \| PROT_USER,
506	HAT_LOAD_NOCONSIST \| HAT_STRICTORDER \| HAT_LOAD_LOCK);
507	pageAddr += ptob(1);
508	}
509	rw_exit(&useras->a_lock, RW_READER);
510	#else
511	/* Map each page into user space */
512	rw_enter(&useras->a_lock, RW_READER);
513	caddr_t kernAddr = pv;
514	caddr_t pageAddr = addr;
515	for (iPage = 0; iPage < cPages; iPage++)
516	{
517	page_t *pp = page_numtopp_nolock(hat_getpfnum(kas.a_hat, kernAddr));
518	hat_memload(useras->a_hat, pageAddr, pp, (fProt \| PROT_USER), HAT_LOAD_LOCK);
519	pageAddr += ptob(1);
520	kernAddr += ptob(1);
521	}
522	rw_exit(&useras->a_lock);
523	#endif
524
525	pMemSolaris->Core.u.Mapping.R0Process = (RTR0PROCESS)userproc;
526	pMemSolaris->Core.pv = addr;
527	*ppMem = &pMemSolaris->Core;
528	return VINF_SUCCESS;
529	}
530
531
532	RTHCPHYS rtR0MemObjNativeGetPagePhysAddr(PRTR0MEMOBJINTERNAL pMem, size_t iPage)
533	{
534	PRTR0MEMOBJSOLARIS pMemSolaris = (PRTR0MEMOBJSOLARIS)pMem;
535
536	switch (pMemSolaris->Core.enmType)
537	{
538	case RTR0MEMOBJTYPE_PAGE:
539	case RTR0MEMOBJTYPE_LOW:
540	case RTR0MEMOBJTYPE_MAPPING:
541	{
542	uint8_t pb = (uint8_t )pMemSolaris->Core.pv + ((size_t)iPage << PAGE_SHIFT);
543	return rtR0MemObjSolarisVirtToPhys(kas.a_hat, pb);
544	}
545
546	case RTR0MEMOBJTYPE_LOCK:
547	{
548	struct hat *hatSpace;
549	if (pMemSolaris->Core.u.Lock.R0Process != NIL_RTR0PROCESS)
550	{
551	/* User */
552	proc_t userProc = (proc_t )pMemSolaris->Core.u.Lock.R0Process;
553	hatSpace = userProc->p_as->a_hat;
554	}
555	else /* Kernel */
556	hatSpace = kas.a_hat;
557
558	uint8_t pb = (uint8_t )pMemSolaris->Core.pv + ((size_t)iPage << PAGE_SHIFT);
559	return rtR0MemObjSolarisVirtToPhys(hatSpace, pb);
560	}
561
562	case RTR0MEMOBJTYPE_CONT:
563	return pMemSolaris->Core.u.Cont.Phys + (iPage << PAGE_SHIFT);
564
565	case RTR0MEMOBJTYPE_PHYS:
566	return pMemSolaris->Core.u.Phys.PhysBase + (iPage << PAGE_SHIFT);
567
568	case RTR0MEMOBJTYPE_PHYS_NC:
569	AssertFailed(/* not implemented */);
570	case RTR0MEMOBJTYPE_RES_VIRT:
571	default:
572	return NIL_RTHCPHYS;
573	}
574	}
575

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source: vbox/trunk/src/VBox/Runtime/r0drv/solaris/memobj-r0drv-solaris.c@ 8170

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