| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| /* |
| * Definitions for the NVM Express ioctl interface |
| * Copyright (c) 2011-2014, Intel Corporation. |
| */ |
| |
| #ifndef _UAPI_LINUX_NVME_IOCTL_H |
| #define _UAPI_LINUX_NVME_IOCTL_H |
| |
| #include <linux/types.h> |
| |
| struct nvme_user_io { |
| __u8 opcode; |
| __u8 flags; |
| __u16 control; |
| __u16 nblocks; |
| __u16 rsvd; |
| __u64 metadata; |
| __u64 addr; |
| __u64 slba; |
| __u32 dsmgmt; |
| __u32 reftag; |
| __u16 apptag; |
| __u16 appmask; |
| }; |
| |
| struct nvme_passthru_cmd { |
| __u8 opcode; |
| __u8 flags; |
| __u16 rsvd1; |
| __u32 nsid; |
| __u32 cdw2; |
| __u32 cdw3; |
| __u64 metadata; |
| __u64 addr; |
| __u32 metadata_len; |
| __u32 data_len; |
| __u32 cdw10; |
| __u32 cdw11; |
| __u32 cdw12; |
| __u32 cdw13; |
| __u32 cdw14; |
| __u32 cdw15; |
| __u32 timeout_ms; |
| __u32 result; |
| }; |
| |
| struct nvme_passthru_cmd64 { |
| __u8 opcode; |
| __u8 flags; |
| __u16 rsvd1; |
| __u32 nsid; |
| __u32 cdw2; |
| __u32 cdw3; |
| __u64 metadata; |
| __u64 addr; |
| __u32 metadata_len; |
| union { |
| __u32 data_len; /* for non-vectored io */ |
| __u32 vec_cnt; /* for vectored io */ |
| }; |
| __u32 cdw10; |
| __u32 cdw11; |
| __u32 cdw12; |
| __u32 cdw13; |
| __u32 cdw14; |
| __u32 cdw15; |
| __u32 timeout_ms; |
| __u32 rsvd2; |
| __u64 result; |
| }; |
| |
| /* same as struct nvme_passthru_cmd64, minus the 8b result field */ |
| struct nvme_uring_cmd { |
| __u8 opcode; |
| __u8 flags; |
| __u16 rsvd1; |
| __u32 nsid; |
| __u32 cdw2; |
| __u32 cdw3; |
| __u64 metadata; |
| __u64 addr; |
| __u32 metadata_len; |
| __u32 data_len; |
| __u32 cdw10; |
| __u32 cdw11; |
| __u32 cdw12; |
| __u32 cdw13; |
| __u32 cdw14; |
| __u32 cdw15; |
| __u32 timeout_ms; |
| __u32 rsvd2; |
| }; |
| |
| #define nvme_admin_cmd nvme_passthru_cmd |
| |
| #define NVME_IOCTL_ID _IO('N', 0x40) |
| #define NVME_IOCTL_ADMIN_CMD _IOWR('N', 0x41, struct nvme_admin_cmd) |
| #define NVME_IOCTL_SUBMIT_IO _IOW('N', 0x42, struct nvme_user_io) |
| #define NVME_IOCTL_IO_CMD _IOWR('N', 0x43, struct nvme_passthru_cmd) |
| #define NVME_IOCTL_RESET _IO('N', 0x44) |
| #define NVME_IOCTL_SUBSYS_RESET _IO('N', 0x45) |
| #define NVME_IOCTL_RESCAN _IO('N', 0x46) |
| #define NVME_IOCTL_ADMIN64_CMD _IOWR('N', 0x47, struct nvme_passthru_cmd64) |
| #define NVME_IOCTL_IO64_CMD _IOWR('N', 0x48, struct nvme_passthru_cmd64) |
| #define NVME_IOCTL_IO64_CMD_VEC _IOWR('N', 0x49, struct nvme_passthru_cmd64) |
| |
| /* io_uring async commands: */ |
| #define NVME_URING_CMD_IO _IOWR('N', 0x80, struct nvme_uring_cmd) |
| #define NVME_URING_CMD_IO_VEC _IOWR('N', 0x81, struct nvme_uring_cmd) |
| #define NVME_URING_CMD_ADMIN _IOWR('N', 0x82, struct nvme_uring_cmd) |
| #define NVME_URING_CMD_ADMIN_VEC _IOWR('N', 0x83, struct nvme_uring_cmd) |
| |
| #endif /* _UAPI_LINUX_NVME_IOCTL_H */ |