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 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef __UBLOCK_H_ 13 #define __UBLOCK_H_ 14 15 #include <linux/types.h> 16 17 #define UBLOCK_VERSION 0 18 19 enum { 20 UBLOCK_INIT_IN = 0, 21 UBLOCK_INIT_OUT = 1, 22 UBLOCK_READY_IN = 2, 23 UBLOCK_READY_OUT = 3, 24 UBLOCK_READ_IN = 4, 25 UBLOCK_READ_OUT = 5, 26 UBLOCK_WRITE_IN = 6, 27 UBLOCK_WRITE_OUT = 7, 28 }; 29 30 struct ublock_in_header { 31 __u32 seq; 32 __u32 opcode; 33 }; 34 35 struct ublock_out_header { 36 __u32 seq; 37 __u32 opcode; 38 }; 39 40 struct ublock_init_in { 41 __u32 version; 42 __u32 max_buf; 43 __u32 index; 44 }; 45 46 struct ublock_init_out { 47 __u32 version; 48 __u32 max_buf; 49 __u64 size; 50 }; 51 52 struct ublock_ready_in { 53 __u32 _unused; 54 }; 55 56 struct ublock_ready_out { 57 __u32 _unused; 58 }; 59 60 struct ublock_read_in { 61 __u64 offset; 62 __u64 length; 63 }; 64 65 struct ublock_read_out { 66 __s32 status; 67 __u8 data[]; 68 }; 69 70 struct ublock_write_in { 71 __u64 offset; 72 __u64 length; 73 __u8 data[]; 74 }; 75 76 struct ublock_write_out { 77 __s32 status; 78 }; 79 80 #endif 81 82
