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- /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
- /*
- * Definitions for the NVM Express ioctl interface
- * Copyright (c) 2011-2014, Intel Corporation.
- */
- #ifndef _LINUX_NVME_IOCTL_H
- #define _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 /* _LINUX_NVME_IOCTL_H */
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