xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

NVMe: Add NVME_IOCTL_SUBMIT_IO

Browse Source 
Allow userspace to submit synchronous I/O like the SCSI sg interface does.

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
This commit is contained in:
Matthew Wilcox
2011-02-01 16:13:29 -05:00
parent 7fc3cdabba
commit a53295b699
2 changed files with 61 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
include/linux/nvme.h
View File

@@ -340,8 +340,26 @@ struct nvme_completion {
__le16 status; /* did the command fail, and if so, why? */
};
struct nvme_user_io {
__u8 opcode;
__u8 flags;
__u16 control;
__u32 nsid;
__u64 metadata;
__u64 addr;
__u64 slba;
__u16 nblocks;
__u16 block_shift;
__u32 dsmgmt;
__u32 reftag;
__u16 apptag;
__u16 appmask;
__u32 result;
};
#define NVME_IOCTL_IDENTIFY_NS _IOW('N', 0x40, struct nvme_id_ns)
#define NVME_IOCTL_IDENTIFY_CTRL _IOW('N', 0x41, struct nvme_id_ctrl)
#define NVME_IOCTL_GET_RANGE_TYPE _IOW('N', 0x42, struct nvme_lba_range_type)
#define NVME_IOCTL_SUBMIT_IO _IOWR('N', 0x43, struct nvme_rw_command)
#endif /* _LINUX_NVME_H */