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nvme.4 revision 1.3
 $NetBSD: nvme.4,v 1.3 2016/09/16 12:31:27 jdolecek Exp $
$OpenBSD: nvme.4,v 1.2 2016/04/14 11:53:37 jmc Exp $

Copyright (c) 2016 David Gwynne <dlg (at] openbsd.org>

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.Dd September 16, 2016 .Dt NVME 4 .Os .Sh NAME .Nm nvme .Nd Non-Volatile Memory Host Controller Interface .Sh SYNOPSIS .Cd "nvme* at pci? dev ? function ?" .Sh DESCRIPTION The .Nm driver provides support for NVMe, or NVM Express, storage controllers conforming to the Non-Volatile Memory Host Controller Interface specification. .Sh SEE ALSO .Xr intro 4 , .Xr ld 4 , .Xr pci 4 .Sh HISTORY The .Nm driver first appeared in .Ox 6.0 and in .Nx 8.0 . .Sh AUTHORS .An -nosplit The .Nm driver was written by .An David Gwynne .Aq Mt dlg (at] openbsd.org for .Ox and ported to .Nx by .An NONAKA Kimihiro .Aq Mt nonaka (at] NetBSD.org . .Sh BUGS Emulated .Nm device under QEMU doesn't currently work - controller identify command times out.

p Emulated .Nm device under .Tn Oracle .Tn VirtualBox attaches and works fine, but sometimes after reboot device no longer works. When this happens, controller fails to properly disable/enable during probe, so the .Xr ld 4 is not attached. Virtual machine must be completely powered off and started again to get the device working again.

p .Nm kernel module is currently only loadable for kernels configured with 'no ld'.