1 /* 2 * This header was generated from the Linux kernel headers by update_headers.py, 3 * to provide necessary information from kernel to userspace, such as constants, 4 * structures, and macros, and thus, contains no copyrightable information. 5 */ 6 #ifndef _UAPI_BLKZONED_H 7 #define _UAPI_BLKZONED_H 8 #include <linux/types.h> 9 #include <linux/ioctl.h> 10 enum blk_zone_type { 11 BLK_ZONE_TYPE_CONVENTIONAL = 0x1, 12 BLK_ZONE_TYPE_SEQWRITE_REQ = 0x2, 13 BLK_ZONE_TYPE_SEQWRITE_PREF = 0x3, 14 }; 15 enum blk_zone_cond { 16 BLK_ZONE_COND_NOT_WP = 0x0, 17 BLK_ZONE_COND_EMPTY = 0x1, 18 BLK_ZONE_COND_IMP_OPEN = 0x2, 19 BLK_ZONE_COND_EXP_OPEN = 0x3, 20 BLK_ZONE_COND_CLOSED = 0x4, 21 BLK_ZONE_COND_READONLY = 0xD, 22 BLK_ZONE_COND_FULL = 0xE, 23 BLK_ZONE_COND_OFFLINE = 0xF, 24 }; 25 struct blk_zone { 26 __u64 start; 27 __u64 len; 28 __u64 wp; 29 __u8 type; 30 __u8 cond; 31 __u8 non_seq; 32 __u8 reset; 33 __u8 reserved[36]; 34 }; 35 struct blk_zone_report { 36 __u64 sector; 37 __u32 nr_zones; 38 __u8 reserved[4]; 39 struct blk_zone zones[0]; 40 }; 41 struct blk_zone_range { 42 __u64 sector; 43 __u64 nr_sectors; 44 }; 45 #define BLKREPORTZONE _IOWR(0x12, 130, struct blk_zone_report) 46 #define BLKRESETZONE _IOW(0x12, 131, struct blk_zone_range) 47 #endif 48