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vm map request - ioctl to /dev/video

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This commit is contained in:
Ben Gras 2008-12-11 14:11:59 +00:00
parent 3f30c3a0ee
commit dd9e9c74cd
1 changed files with 6 additions and 14 deletions
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20
include/sys/vm.h
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@ -2,23 +2,15 @@
sys/vm.h
*/
/* MIOCMAP */
struct mapreq
{
void *base;
size_t size;
off_t offset;
int readonly;
};
/* MIOCMAPVM */
/* used in ioctl to tty for mapvm map and unmap request. */
struct mapreqvm
{
int flags; /* reserved, must be 0 */
off_t phys_offset;
off_t phys_offset;
size_t size;
int readonly;
char reserved[40]; /* reserved, must be 0 */
void *vaddr_ret; /* result vaddr */
char reserved[36]; /* reserved, must be 0 */
void *vaddr;
void *vaddr_ret;
};