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_GNTDEV_H__ 20 #define __LINUX_PUBLIC_GNTDEV_H__ 21 #include <linux/types.h> 22 struct ioctl_gntdev_grant_ref { 23 __u32 domid; 24 __u32 ref; 25 }; 26 #define IOCTL_GNTDEV_MAP_GRANT_REF _IOC(_IOC_NONE, 'G', 0, sizeof(struct ioctl_gntdev_map_grant_ref)) 27 struct ioctl_gntdev_map_grant_ref { 28 __u32 count; 29 __u32 pad; 30 __u64 index; 31 struct ioctl_gntdev_grant_ref refs[1]; 32 }; 33 #define IOCTL_GNTDEV_UNMAP_GRANT_REF _IOC(_IOC_NONE, 'G', 1, sizeof(struct ioctl_gntdev_unmap_grant_ref)) 34 struct ioctl_gntdev_unmap_grant_ref { 35 __u64 index; 36 __u32 count; 37 __u32 pad; 38 }; 39 #define IOCTL_GNTDEV_GET_OFFSET_FOR_VADDR _IOC(_IOC_NONE, 'G', 2, sizeof(struct ioctl_gntdev_get_offset_for_vaddr)) 40 struct ioctl_gntdev_get_offset_for_vaddr { 41 __u64 vaddr; 42 __u64 offset; 43 __u32 count; 44 __u32 pad; 45 }; 46 #define IOCTL_GNTDEV_SET_MAX_GRANTS _IOC(_IOC_NONE, 'G', 3, sizeof(struct ioctl_gntdev_set_max_grants)) 47 struct ioctl_gntdev_set_max_grants { 48 __u32 count; 49 }; 50 #define IOCTL_GNTDEV_SET_UNMAP_NOTIFY _IOC(_IOC_NONE, 'G', 7, sizeof(struct ioctl_gntdev_unmap_notify)) 51 struct ioctl_gntdev_unmap_notify { 52 __u64 index; 53 __u32 action; 54 __u32 event_channel_port; 55 }; 56 struct gntdev_grant_copy_segment { 57 union { 58 void __user * virt; 59 struct { 60 grant_ref_t ref; 61 __u16 offset; 62 domid_t domid; 63 } foreign; 64 } source, dest; 65 __u16 len; 66 __u16 flags; 67 __s16 status; 68 }; 69 #define IOCTL_GNTDEV_GRANT_COPY _IOC(_IOC_NONE, 'G', 8, sizeof(struct ioctl_gntdev_grant_copy)) 70 struct ioctl_gntdev_grant_copy { 71 unsigned int count; 72 struct gntdev_grant_copy_segment __user * segments; 73 }; 74 #define UNMAP_NOTIFY_CLEAR_BYTE 0x1 75 #define UNMAP_NOTIFY_SEND_EVENT 0x2 76 #endif 77
