c5c0fdbe39
commit 7e364e56293bb98cae1b55fd835f5991c4e96e7d Signed-off-by: David 'Digit' Turner <digit@google.com> Message-Id: <20230405172109.3081788-4-digit@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
115 lines
2.4 KiB
C
115 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* Definitions for the NVM Express ioctl interface
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* Copyright (c) 2011-2014, Intel Corporation.
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*/
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#ifndef _LINUX_NVME_IOCTL_H
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#define _LINUX_NVME_IOCTL_H
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#include <linux/types.h>
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struct nvme_user_io {
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__u8 opcode;
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__u8 flags;
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__u16 control;
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__u16 nblocks;
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__u16 rsvd;
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__u64 metadata;
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__u64 addr;
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__u64 slba;
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__u32 dsmgmt;
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__u32 reftag;
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__u16 apptag;
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__u16 appmask;
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};
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struct nvme_passthru_cmd {
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__u8 opcode;
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__u8 flags;
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__u16 rsvd1;
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__u32 nsid;
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__u32 cdw2;
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__u32 cdw3;
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__u64 metadata;
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__u64 addr;
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__u32 metadata_len;
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__u32 data_len;
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__u32 cdw10;
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__u32 cdw11;
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__u32 cdw12;
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__u32 cdw13;
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__u32 cdw14;
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__u32 cdw15;
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__u32 timeout_ms;
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__u32 result;
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};
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struct nvme_passthru_cmd64 {
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__u8 opcode;
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__u8 flags;
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__u16 rsvd1;
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__u32 nsid;
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__u32 cdw2;
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__u32 cdw3;
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__u64 metadata;
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__u64 addr;
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__u32 metadata_len;
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union {
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__u32 data_len; /* for non-vectored io */
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__u32 vec_cnt; /* for vectored io */
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};
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__u32 cdw10;
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__u32 cdw11;
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__u32 cdw12;
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__u32 cdw13;
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__u32 cdw14;
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__u32 cdw15;
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__u32 timeout_ms;
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__u32 rsvd2;
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__u64 result;
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};
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/* same as struct nvme_passthru_cmd64, minus the 8b result field */
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struct nvme_uring_cmd {
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__u8 opcode;
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__u8 flags;
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__u16 rsvd1;
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__u32 nsid;
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__u32 cdw2;
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__u32 cdw3;
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__u64 metadata;
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__u64 addr;
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__u32 metadata_len;
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__u32 data_len;
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__u32 cdw10;
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__u32 cdw11;
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__u32 cdw12;
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__u32 cdw13;
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__u32 cdw14;
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__u32 cdw15;
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__u32 timeout_ms;
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__u32 rsvd2;
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};
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#define nvme_admin_cmd nvme_passthru_cmd
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#define NVME_IOCTL_ID _IO('N', 0x40)
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#define NVME_IOCTL_ADMIN_CMD _IOWR('N', 0x41, struct nvme_admin_cmd)
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#define NVME_IOCTL_SUBMIT_IO _IOW('N', 0x42, struct nvme_user_io)
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#define NVME_IOCTL_IO_CMD _IOWR('N', 0x43, struct nvme_passthru_cmd)
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#define NVME_IOCTL_RESET _IO('N', 0x44)
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#define NVME_IOCTL_SUBSYS_RESET _IO('N', 0x45)
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#define NVME_IOCTL_RESCAN _IO('N', 0x46)
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#define NVME_IOCTL_ADMIN64_CMD _IOWR('N', 0x47, struct nvme_passthru_cmd64)
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#define NVME_IOCTL_IO64_CMD _IOWR('N', 0x48, struct nvme_passthru_cmd64)
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#define NVME_IOCTL_IO64_CMD_VEC _IOWR('N', 0x49, struct nvme_passthru_cmd64)
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/* io_uring async commands: */
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#define NVME_URING_CMD_IO _IOWR('N', 0x80, struct nvme_uring_cmd)
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#define NVME_URING_CMD_IO_VEC _IOWR('N', 0x81, struct nvme_uring_cmd)
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#define NVME_URING_CMD_ADMIN _IOWR('N', 0x82, struct nvme_uring_cmd)
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#define NVME_URING_CMD_ADMIN_VEC _IOWR('N', 0x83, struct nvme_uring_cmd)
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#endif /* _LINUX_NVME_IOCTL_H */
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