cregit-Linux how code gets into the kernel

Release 4.12 include/uapi/linux/nvme_ioctl.h

 * Definitions for the NVM Express ioctl interface
 * Copyright (c) 2011-2014, Intel Corporation.
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.



#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;

#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)


Overall Contributors

Christoph Hellwig14197.24%150.00%
Keith Busch42.76%150.00%
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