| sf_buf.h (206714) | sf_buf.h (217944) |
|---|---|
| 1/*- 2 * Copyright (c) 2003 Alan L. Cox <alc@cs.rice.edu> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * | 1/*- 2 * Copyright (c) 2003 Alan L. Cox <alc@cs.rice.edu> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * |
| 26 * $FreeBSD: head/sys/mips/include/sf_buf.h 206714 2010-04-16 23:48:28Z jmallett $ | 26 * $FreeBSD: head/sys/mips/include/sf_buf.h 217944 2011-01-27 14:49:22Z jchandra $ |
| 27 */ 28 29#ifndef _MACHINE_SF_BUF_H_ 30#define _MACHINE_SF_BUF_H_ 31 | 27 */ 28 29#ifndef _MACHINE_SF_BUF_H_ 30#define _MACHINE_SF_BUF_H_ 31 |
| 32#ifdef __mips_n64 33#include <vm/vm.h> 34#include <vm/vm_param.h> 35#include <vm/vm_page.h> 36#else |
|
| 32#include <sys/queue.h> | 37#include <sys/queue.h> |
| 38#endif |
|
| 33 | 39 |
| 40#ifdef __mips_n64 41/* In 64 bit the whole memory is directly mapped */ 42struct sf_buf; 43 44static __inline vm_offset_t 45sf_buf_kva(struct sf_buf *sf) 46{ 47 vm_page_t m; 48 49 m = (vm_page_t)sf; 50 return (MIPS_PHYS_TO_DIRECT(VM_PAGE_TO_PHYS(m))); 51} 52 53static __inline struct vm_page * 54sf_buf_page(struct sf_buf *sf) 55{ 56 57 return ((vm_page_t)sf); 58} 59 60#else /* ! __mips_n64 */ |
|
| 34struct vm_page; 35 36struct sf_buf { 37 SLIST_ENTRY(sf_buf) free_list; /* list of free buffer slots */ 38 struct vm_page *m; /* currently mapped page */ 39 vm_offset_t kva; /* va of mapping */ 40}; 41 --- 5 unchanged lines hidden (view full) --- 47} 48 49static __inline struct vm_page * 50sf_buf_page(struct sf_buf *sf) 51{ 52 53 return (sf->m); 54} | 61struct vm_page; 62 63struct sf_buf { 64 SLIST_ENTRY(sf_buf) free_list; /* list of free buffer slots */ 65 struct vm_page *m; /* currently mapped page */ 66 vm_offset_t kva; /* va of mapping */ 67}; 68 --- 5 unchanged lines hidden (view full) --- 74} 75 76static __inline struct vm_page * 77sf_buf_page(struct sf_buf *sf) 78{ 79 80 return (sf->m); 81} |
| 82#endif /* __mips_n64 */ |
|
| 55 56#endif /* !_MACHINE_SF_BUF_H_ */ | 83 84#endif /* !_MACHINE_SF_BUF_H_ */ |