1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * Definitions for the NVM Express ioctl interface 4 * Copyright (c) 2011-2014, Intel Corporation. 5 */ 6 7 #ifndef _UAPI_LINUX_NVME_IOCTL_H 8 #define _UAPI_LINUX_NVME_IOCTL_H 9 10 #include <linux/types.h> 11 12 struct nvme_user_io { 13 __u8 opcode; 14 __u8 flags; 15 __u16 control; 16 __u16 nblocks; 17 __u16 rsvd; 18 __u64 metadata; 19 __u64 addr; 20 __u64 slba; 21 __u32 dsmgmt; 22 __u32 reftag; 23 __u16 apptag; 24 __u16 appmask; 25 }; 26 27 struct nvme_passthru_cmd { 28 __u8 opcode; 29 __u8 flags; 30 __u16 rsvd1; 31 __u32 nsid; 32 __u32 cdw2; 33 __u32 cdw3; 34 __u64 metadata; 35 __u64 addr; 36 __u32 metadata_len; 37 __u32 data_len; 38 __u32 cdw10; 39 __u32 cdw11; 40 __u32 cdw12; 41 __u32 cdw13; 42 __u32 cdw14; 43 __u32 cdw15; 44 __u32 timeout_ms; 45 __u32 result; 46 }; 47 48 struct nvme_passthru_cmd64 { 49 __u8 opcode; 50 __u8 flags; 51 __u16 rsvd1; 52 __u32 nsid; 53 __u32 cdw2; 54 __u32 cdw3; 55 __u64 metadata; 56 __u64 addr; 57 __u32 metadata_len; 58 __u32 data_len; 59 __u32 cdw10; 60 __u32 cdw11; 61 __u32 cdw12; 62 __u32 cdw13; 63 __u32 cdw14; 64 __u32 cdw15; 65 __u32 timeout_ms; 66 __u64 result; 67 }; 68 69 #define nvme_admin_cmd nvme_passthru_cmd 70 71 #define NVME_IOCTL_ID _IO('N', 0x40) 72 #define NVME_IOCTL_ADMIN_CMD _IOWR('N', 0x41, struct nvme_admin_cmd) 73 #define NVME_IOCTL_SUBMIT_IO _IOW('N', 0x42, struct nvme_user_io) 74 #define NVME_IOCTL_IO_CMD _IOWR('N', 0x43, struct nvme_passthru_cmd) 75 #define NVME_IOCTL_RESET _IO('N', 0x44) 76 #define NVME_IOCTL_SUBSYS_RESET _IO('N', 0x45) 77 #define NVME_IOCTL_RESCAN _IO('N', 0x46) 78 #define NVME_IOCTL_ADMIN64_CMD _IOWR('N', 0x47, struct nvme_passthru_cmd64) 79 #define NVME_IOCTL_IO64_CMD _IOWR('N', 0x48, struct nvme_passthru_cmd64) 80 81 #endif /* _UAPI_LINUX_NVME_IOCTL_H */ 82