vm_pager.h - OpenGrok cross reference for /freebsd/sys/vm/vm

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vm_pager.h (aa91dfc69b0ce219094616b306a80a58cbb061ef)	vm_pager.h (e4542174b02a9ad9a5c3e802f97df69a3ee781c1)
1/* 2 * Copyright (c) 1990 University of Utah. 3 * Copyright (c) 1991, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the Systems Programming Group of the University of Utah Computer 8 * Science Department. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)vm_pager.h 8.4 (Berkeley) 1/12/94	1/* 2 * Copyright (c) 1990 University of Utah. 3 * Copyright (c) 1991, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the Systems Programming Group of the University of Utah Computer 8 * Science Department. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)vm_pager.h 8.4 (Berkeley) 1/12/94
39 * $Id: vm_pager.h,v 1.18 1999/01/21 08:29:12 dillon Exp $	39 * $Id: vm_pager.h,v 1.19 1999/01/21 10:15:47 dillon Exp $
40 / 41 42/ 43 * Pager routine interface definition. 44 / 45 46#ifndef _VM_PAGER_ 47#define _VM_PAGER_ 48 49#include <sys/queue.h> 50 51TAILQ_HEAD(pagerlst, vm_object); 52 53struct pagerops { 54 void (pgo_init) __P((void)); /* Initialize pager. / 55 vm_object_t (pgo_alloc) __P((void , vm_ooffset_t, vm_prot_t, vm_ooffset_t)); / Allocate pager. / 56 void (pgo_dealloc) __P((vm_object_t)); /* Disassociate. / 57 int (pgo_getpages) __P((vm_object_t, vm_page_t , int, int)); / Get (read) page. */	40 / 41 42/ 43 * Pager routine interface definition. 44 / 45 46#ifndef _VM_PAGER_ 47#define _VM_PAGER_ 48 49#include <sys/queue.h> 50 51TAILQ_HEAD(pagerlst, vm_object); 52 53struct pagerops { 54 void (pgo_init) __P((void)); /* Initialize pager. / 55 vm_object_t (pgo_alloc) __P((void , vm_ooffset_t, vm_prot_t, vm_ooffset_t)); / Allocate pager. / 56 void (pgo_dealloc) __P((vm_object_t)); /* Disassociate. / 57 int (pgo_getpages) __P((vm_object_t, vm_page_t , int, int)); / Get (read) page. */
58 int (pgo_putpages) __P((vm_object_t, vm_page_t , int, int, int )); / Put (write) page. */	58 void (pgo_putpages) __P((vm_object_t, vm_page_t , int, int, int )); / Put (write) page. */
59 boolean_t (pgo_haspage) __P((vm_object_t, vm_pindex_t, int , int )); / Does pager have page? / 60 void (pgo_pageunswapped) __P((vm_page_t)); 61}; 62 63/* 64 * get/put return values 65 * OK operation was successful 66 * BAD specified data was out of the accepted range --- 26 unchanged lines hidden (view full) --- 93void vm_pager_bufferinit __P((void)); 94void vm_pager_deallocate __P((vm_object_t)); 95static __inline int vm_pager_get_pages __P((vm_object_t, vm_page_t , int, int)); 96static __inline boolean_t vm_pager_has_page __P((vm_object_t, vm_pindex_t, int , int )); 97void vm_pager_init __P((void)); 98vm_object_t vm_pager_object_lookup __P((struct pagerlst , void )); 99vm_offset_t vm_pager_map_pages __P((vm_page_t , int, boolean_t)); 100vm_offset_t vm_pager_map_page __P((vm_page_t));	59 boolean_t (pgo_haspage) __P((vm_object_t, vm_pindex_t, int , int )); / Does pager have page? / 60 void (pgo_pageunswapped) __P((vm_page_t)); 61}; 62 63/* 64 * get/put return values 65 * OK operation was successful 66 * BAD specified data was out of the accepted range --- 26 unchanged lines hidden (view full) --- 93void vm_pager_bufferinit __P((void)); 94void vm_pager_deallocate __P((vm_object_t)); 95static __inline int vm_pager_get_pages __P((vm_object_t, vm_page_t , int, int)); 96static __inline boolean_t vm_pager_has_page __P((vm_object_t, vm_pindex_t, int , int )); 97void vm_pager_init __P((void)); 98vm_object_t vm_pager_object_lookup __P((struct pagerlst , void )); 99vm_offset_t vm_pager_map_pages __P((vm_page_t , int, boolean_t)); 100vm_offset_t vm_pager_map_page __P((vm_page_t));
101static __inline int vm_pager_put_pages __P((vm_object_t, vm_page_t , int, boolean_t, int ));
102void vm_pager_sync __P((void)); 103void vm_pager_unmap_pages __P((vm_offset_t, int)); 104void vm_pager_unmap_page __P((vm_offset_t)); 105 106static __inline int 107vm_pager_get_pages( 108 vm_object_t object, 109 vm_page_t m, 110 int count, 111 int reqpage 112) { 113 return ((pagertab[object->type]->pgo_getpages)(object, m, count, reqpage)); 114} 115	101void vm_pager_sync __P((void)); 102void vm_pager_unmap_pages __P((vm_offset_t, int)); 103void vm_pager_unmap_page __P((vm_offset_t)); 104 105static __inline int 106vm_pager_get_pages( 107 vm_object_t object, 108 vm_page_t m, 109 int count, 110 int reqpage 111) { 112 return ((pagertab[object->type]->pgo_getpages)(object, m, count, reqpage)); 113} 114
116static __inline int	115static __inline void
117vm_pager_put_pages( 118 vm_object_t object, 119 vm_page_t m, 120 int count, 121 int flags, 122 int rtvals 123) {	116vm_pager_put_pages( 117 vm_object_t object, 118 vm_page_t m, 119 int count, 120 int flags, 121 int rtvals 122) {
124 return ((*pagertab[object->type]->pgo_putpages)(object, m, count, flags, rtvals));	123 (*pagertab[object->type]->pgo_putpages) 124 (object, m, count, flags, rtvals);
125} 126 127static __inline boolean_t 128vm_pager_has_page( 129 vm_object_t object, 130 vm_pindex_t offset, 131 int before, 132 int after --- 23 unchanged lines hidden ---	125} 126 127static __inline boolean_t 128vm_pager_has_page( 129 vm_object_t object, 130 vm_pindex_t offset, 131 int before, 132 int after --- 23 unchanged lines hidden ---

vm_pager.h (aa91dfc69b0ce219094616b306a80a58cbb061ef)	vm_pager.h (e4542174b02a9ad9a5c3e802f97df69a3ee781c1)
1/* 2 * Copyright (c) 1990 University of Utah. 3 * Copyright (c) 1991, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the Systems Programming Group of the University of Utah Computer 8 * Science Department. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)vm_pager.h 8.4 (Berkeley) 1/12/94	1/* 2 * Copyright (c) 1990 University of Utah. 3 * Copyright (c) 1991, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the Systems Programming Group of the University of Utah Computer 8 * Science Department. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)vm_pager.h 8.4 (Berkeley) 1/12/94
39 * $Id: vm_pager.h,v 1.18 1999/01/21 08:29:12 dillon Exp $	39 * $Id: vm_pager.h,v 1.19 1999/01/21 10:15:47 dillon Exp $
40 / 41 42/ 43 * Pager routine interface definition. 44 / 45 46#ifndef _VM_PAGER_ 47#define _VM_PAGER_ 48 49#include <sys/queue.h> 50 51TAILQ_HEAD(pagerlst, vm_object); 52 53struct pagerops { 54 void (pgo_init) __P((void)); /* Initialize pager. / 55 vm_object_t (pgo_alloc) __P((void , vm_ooffset_t, vm_prot_t, vm_ooffset_t)); / Allocate pager. / 56 void (pgo_dealloc) __P((vm_object_t)); /* Disassociate. / 57 int (pgo_getpages) __P((vm_object_t, vm_page_t , int, int)); / Get (read) page. */	40 / 41 42/ 43 * Pager routine interface definition. 44 / 45 46#ifndef _VM_PAGER_ 47#define _VM_PAGER_ 48 49#include <sys/queue.h> 50 51TAILQ_HEAD(pagerlst, vm_object); 52 53struct pagerops { 54 void (pgo_init) __P((void)); /* Initialize pager. / 55 vm_object_t (pgo_alloc) __P((void , vm_ooffset_t, vm_prot_t, vm_ooffset_t)); / Allocate pager. / 56 void (pgo_dealloc) __P((vm_object_t)); /* Disassociate. / 57 int (pgo_getpages) __P((vm_object_t, vm_page_t , int, int)); / Get (read) page. */
58 int (pgo_putpages) __P((vm_object_t, vm_page_t , int, int, int )); / Put (write) page. */	58 void (pgo_putpages) __P((vm_object_t, vm_page_t , int, int, int )); / Put (write) page. */
59 boolean_t (pgo_haspage) __P((vm_object_t, vm_pindex_t, int , int )); / Does pager have page? / 60 void (pgo_pageunswapped) __P((vm_page_t)); 61}; 62 63/* 64 * get/put return values 65 * OK operation was successful 66 * BAD specified data was out of the accepted range --- 26 unchanged lines hidden (view full) --- 93void vm_pager_bufferinit __P((void)); 94void vm_pager_deallocate __P((vm_object_t)); 95static __inline int vm_pager_get_pages __P((vm_object_t, vm_page_t , int, int)); 96static __inline boolean_t vm_pager_has_page __P((vm_object_t, vm_pindex_t, int , int )); 97void vm_pager_init __P((void)); 98vm_object_t vm_pager_object_lookup __P((struct pagerlst , void )); 99vm_offset_t vm_pager_map_pages __P((vm_page_t , int, boolean_t)); 100vm_offset_t vm_pager_map_page __P((vm_page_t));	59 boolean_t (pgo_haspage) __P((vm_object_t, vm_pindex_t, int , int )); / Does pager have page? / 60 void (pgo_pageunswapped) __P((vm_page_t)); 61}; 62 63/* 64 * get/put return values 65 * OK operation was successful 66 * BAD specified data was out of the accepted range --- 26 unchanged lines hidden (view full) --- 93void vm_pager_bufferinit __P((void)); 94void vm_pager_deallocate __P((vm_object_t)); 95static __inline int vm_pager_get_pages __P((vm_object_t, vm_page_t , int, int)); 96static __inline boolean_t vm_pager_has_page __P((vm_object_t, vm_pindex_t, int , int )); 97void vm_pager_init __P((void)); 98vm_object_t vm_pager_object_lookup __P((struct pagerlst , void )); 99vm_offset_t vm_pager_map_pages __P((vm_page_t , int, boolean_t)); 100vm_offset_t vm_pager_map_page __P((vm_page_t));
101static __inline int vm_pager_put_pages __P((vm_object_t, vm_page_t , int, boolean_t, int ));
102void vm_pager_sync __P((void)); 103void vm_pager_unmap_pages __P((vm_offset_t, int)); 104void vm_pager_unmap_page __P((vm_offset_t)); 105 106static __inline int 107vm_pager_get_pages( 108 vm_object_t object, 109 vm_page_t m, 110 int count, 111 int reqpage 112) { 113 return ((pagertab[object->type]->pgo_getpages)(object, m, count, reqpage)); 114} 115	101void vm_pager_sync __P((void)); 102void vm_pager_unmap_pages __P((vm_offset_t, int)); 103void vm_pager_unmap_page __P((vm_offset_t)); 104 105static __inline int 106vm_pager_get_pages( 107 vm_object_t object, 108 vm_page_t m, 109 int count, 110 int reqpage 111) { 112 return ((pagertab[object->type]->pgo_getpages)(object, m, count, reqpage)); 113} 114
116static __inline int	115static __inline void
117vm_pager_put_pages( 118 vm_object_t object, 119 vm_page_t m, 120 int count, 121 int flags, 122 int rtvals 123) {	116vm_pager_put_pages( 117 vm_object_t object, 118 vm_page_t m, 119 int count, 120 int flags, 121 int rtvals 122) {
124 return ((*pagertab[object->type]->pgo_putpages)(object, m, count, flags, rtvals));	123 (*pagertab[object->type]->pgo_putpages) 124 (object, m, count, flags, rtvals);
125} 126 127static __inline boolean_t 128vm_pager_has_page( 129 vm_object_t object, 130 vm_pindex_t offset, 131 int before, 132 int after --- 23 unchanged lines hidden ---	125} 126 127static __inline boolean_t 128vm_pager_has_page( 129 vm_object_t object, 130 vm_pindex_t offset, 131 int before, 132 int after --- 23 unchanged lines hidden ---