1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef __LINUX_PUBLIC_GNTALLOC_H__ 20 #define __LINUX_PUBLIC_GNTALLOC_H__ 21 #include <linux/types.h> 22 #define IOCTL_GNTALLOC_ALLOC_GREF _IOC(_IOC_NONE, 'G', 5, sizeof(struct ioctl_gntalloc_alloc_gref)) 23 struct ioctl_gntalloc_alloc_gref { 24 __u16 domid; 25 __u16 flags; 26 __u32 count; 27 __u64 index; 28 __u32 gref_ids[1]; 29 }; 30 #define GNTALLOC_FLAG_WRITABLE 1 31 #define IOCTL_GNTALLOC_DEALLOC_GREF _IOC(_IOC_NONE, 'G', 6, sizeof(struct ioctl_gntalloc_dealloc_gref)) 32 struct ioctl_gntalloc_dealloc_gref { 33 __u64 index; 34 __u32 count; 35 }; 36 #define IOCTL_GNTALLOC_SET_UNMAP_NOTIFY _IOC(_IOC_NONE, 'G', 7, sizeof(struct ioctl_gntalloc_unmap_notify)) 37 struct ioctl_gntalloc_unmap_notify { 38 __u64 index; 39 __u32 action; 40 __u32 event_channel_port; 41 }; 42 #define UNMAP_NOTIFY_CLEAR_BYTE 0x1 43 #define UNMAP_NOTIFY_SEND_EVENT 0x2 44 #endif 45