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 19enum { 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 30struct ublock_in_header { 31 __u32 seq; 32 __u32 opcode; 33}; 34 35struct ublock_out_header { 36 __u32 seq; 37 __u32 opcode; 38}; 39 40struct ublock_init_in { 41 __u32 version; 42 __u32 max_buf; 43 __u32 index; 44}; 45 46struct ublock_init_out { 47 __u32 version; 48 __u32 max_buf; 49 __u64 size; 50}; 51 52struct ublock_ready_in { 53 __u32 _unused; 54}; 55 56struct ublock_ready_out { 57 __u32 _unused; 58}; 59 60struct ublock_read_in { 61 __u64 offset; 62 __u64 length; 63}; 64 65struct ublock_read_out { 66 __s32 status; 67 __u8 data[]; 68}; 69 70struct ublock_write_in { 71 __u64 offset; 72 __u64 length; 73 __u8 data[]; 74}; 75 76struct ublock_write_out { 77 __s32 status; 78}; 79 80#endif 81 82