vm map request - ioctl to /dev/video
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@ -2,23 +2,15 @@
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sys/vm.h
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sys/vm.h
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*/
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*/
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/* MIOCMAP */
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/* used in ioctl to tty for mapvm map and unmap request. */
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struct mapreq
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{
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void *base;
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size_t size;
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off_t offset;
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int readonly;
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};
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/* MIOCMAPVM */
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struct mapreqvm
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struct mapreqvm
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{
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{
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int flags; /* reserved, must be 0 */
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int flags; /* reserved, must be 0 */
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off_t phys_offset;
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off_t phys_offset;
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size_t size;
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size_t size;
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int readonly;
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int readonly;
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char reserved[40]; /* reserved, must be 0 */
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char reserved[36]; /* reserved, must be 0 */
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void *vaddr_ret; /* result vaddr */
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void *vaddr;
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void *vaddr_ret;
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};
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};
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