Rev 422 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | #ifndef _LINUX_VMALLOC_H |
| 2 | #define _LINUX_VMALLOC_H |
||
| 3 | |||
| 4 | #include <linux/spinlock.h> |
||
| 5 | #include <asm/page.h> /* pgprot_t */ |
||
| 6 | |||
| 7 | /* bits in vm_struct->flags */ |
||
| 8 | #define VM_IOREMAP 0x00000001 /* ioremap() and friends */ |
||
| 9 | #define VM_ALLOC 0x00000002 /* vmalloc() */ |
||
| 10 | #define VM_MAP 0x00000004 /* vmap()ed pages */ |
||
| 11 | |||
| 12 | struct vm_struct { |
||
| 13 | void *addr; |
||
| 14 | unsigned long size; |
||
| 15 | unsigned long flags; |
||
| 16 | struct page **pages; |
||
| 17 | unsigned int nr_pages; |
||
| 18 | unsigned long phys_addr; |
||
| 19 | struct vm_struct *next; |
||
| 20 | }; |
||
| 21 | |||
| 22 | /* |
||
| 23 | * Highlevel APIs for driver use |
||
| 24 | */ |
||
| 25 | extern void *vmalloc(unsigned long size); |
||
| 26 | extern void *vmalloc_32(unsigned long size); |
||
| 1047 | mauro | 27 | extern void *vmalloc_32_usb(unsigned long size); |
| 422 | giacomo | 28 | extern void *__vmalloc(unsigned long size, int gfp_mask, pgprot_t prot); |
| 29 | extern void vfree(void *addr); |
||
| 1047 | mauro | 30 | extern void vfree_usb(void *addr); |
| 422 | giacomo | 31 | |
| 32 | extern void *vmap(struct page **pages, unsigned int count, |
||
| 33 | unsigned long flags, pgprot_t prot); |
||
| 34 | extern void vunmap(void *addr); |
||
| 35 | |||
| 36 | /* |
||
| 37 | * Lowlevel-APIs (not for driver use!) |
||
| 38 | */ |
||
| 39 | extern struct vm_struct *get_vm_area(unsigned long size, unsigned long flags); |
||
| 40 | extern struct vm_struct *remove_vm_area(void *addr); |
||
| 41 | extern int map_vm_area(struct vm_struct *area, pgprot_t prot, |
||
| 42 | struct page ***pages); |
||
| 43 | extern void unmap_vm_area(struct vm_struct *area); |
||
| 44 | |||
| 45 | /* |
||
| 46 | * Internals. Dont't use.. |
||
| 47 | */ |
||
| 48 | extern rwlock_t vmlist_lock; |
||
| 49 | extern struct vm_struct *vmlist; |
||
| 50 | |||
| 51 | #endif /* _LINUX_VMALLOC_H */ |