Date: Wed, 20 Dec 2017 20:30:48 -0800 From: Ravi Pokala <rpokala@mac.com> To: Warner Losh <imp@FreeBSD.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r327055 - head/share/man/man4 Message-ID: <8B11940F-93BF-429B-A64C-2538036992B9@mac.com> In-Reply-To: <201712210423.vBL4N0Ap022144@repo.freebsd.org> References: <201712210423.vBL4N0Ap022144@repo.freebsd.org>
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Also updates the date on pci.4, in light of r327036 earlier today. -Ravi (rpokala@) -----Original Message----- From: <owner-src-committers@freebsd.org> on behalf of Warner Losh <imp@FreeBSD.org> Date: 2017-12-20, Wednesday at 20:23 To: <src-committers@freebsd.org>, <svn-src-all@freebsd.org>, <svn-src-head@freebsd.org> Subject: svn commit: r327055 - head/share/man/man4 Author: imp Date: Thu Dec 21 04:23:00 2017 New Revision: 327055 URL: https://svnweb.freebsd.org/changeset/base/327055 Log: Provide a nda man page. Add cross referneces. Bump dates. Also, CAM is a storage subsystem, not a SCSI/ATA one these days. Sponsored by: Netflix Added: head/share/man/man4/nda.4 (contents, props changed) Modified: head/share/man/man4/Makefile head/share/man/man4/ada.4 head/share/man/man4/da.4 head/share/man/man4/pci.4 head/share/man/man4/scsi.4 Modified: head/share/man/man4/Makefile ============================================================================== --- head/share/man/man4/Makefile Thu Dec 21 04:21:59 2017 (r327054) +++ head/share/man/man4/Makefile Thu Dec 21 04:23:00 2017 (r327055) @@ -382,6 +382,7 @@ MAN= aac.4 \ ${_ntb_hw_intel.4} \ ${_ntb_hw_plx.4} \ ${_ntb_transport.4} \ + ${_nda.4} \ ${_if_ntb.4} \ null.4 \ numa.4 \ @@ -808,6 +809,7 @@ _if_wpi.4= if_wpi.4 _ipmi.4= ipmi.4 _io.4= io.4 _linux.4= linux.4 +_nda.4= nda.4 _ndis.4= ndis.4 _nfe.4= nfe.4 _nfsmb.4= nfsmb.4 Modified: head/share/man/man4/ada.4 ============================================================================== --- head/share/man/man4/ada.4 Thu Dec 21 04:21:59 2017 (r327054) +++ head/share/man/man4/ada.4 Thu Dec 21 04:23:00 2017 (r327055) @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd June 19, 2015 +.Dd December 20, 2017 .Dt ADA 4 .Os .Sh NAME @@ -157,6 +157,7 @@ ATA device nodes .Xr cam 4 , .Xr da 4 , .Xr mvs 4 , +.Xr nda 4 , .Xr siis 4 .Sh HISTORY The Modified: head/share/man/man4/da.4 ============================================================================== --- head/share/man/man4/da.4 Thu Dec 21 04:21:59 2017 (r327054) +++ head/share/man/man4/da.4 Thu Dec 21 04:23:00 2017 (r327055) @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd October 11, 2015 +.Dd December 20, 2017 .Dt DA 4 .Os .Sh NAME @@ -214,6 +214,7 @@ None. .Xr ada 4 , .Xr cam 4 , .Xr geom 4 , +.Xr nda 4 , .Xr gpart 8 .Sh HISTORY The Added: head/share/man/man4/nda.4 ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/share/man/man4/nda.4 Thu Dec 21 04:23:00 2017 (r327055) @@ -0,0 +1,87 @@ +.\" Copyright (c) 2017 Netflix, Inc +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.\" +.Dd December 20, 2017 +.Dt NDA 4 +.Os +.Sh NAME +.Nm nda +.Nd NVMe Direct Access device driver +.Sh SYNOPSIS +.Cd device nvme +.Cd device scbus +.Sh DESCRIPTION +The +.Nm +driver provides support for direct access devices, implementing the +.Tn NVMe +command protocol, that are attached to the system through a host adapter +supported by the CAM subsystem. +.Sh SYSCTL VARIABLES +The following variables are available as both +.Xr sysctl 8 +variables and +.Xr loader 8 +tunables: +.Bl -tag -width 12 +.It Va kern.cam.nda.sort_io_queue +.Pp +This variable determines whether the software queued entries are +sorted in LBA order or not. +Sorting is almost always a waste of time. +The default is to not sort. +.El +.Pp +The following report per-device settings, and are read-only unless +otherwise indicated. Replace +.Va N +with the device unit number. +.Bl -tag -width 12 +.It Va kern.cam.nda.N.rotating +.Pp +This variable reports whether the storage volume is spinning or +flash. +It's value is hard coded to 0 indicating flash. +.It Va kern.cam.nda.N.unmapped_io +This variable reports whether the +.Nm +driver accepts unmapped I/O for this unit. +.Sh FILES +.Bl -tag -width ".Pa /dev/nda*" -compact +.It Pa /dev/nda* +NVMe storage device nodes +.El +.Sh SEE ALSO +.Xr nvme 4 , +.Xr nvd 4 +.Sh HISTORY +The +.Nm +driver first appeared in +.Fx 12.0 . +.Sh AUTHORS +.An Warner Losh Aq Mt imp@FreeBSD.org Modified: head/share/man/man4/pci.4 ============================================================================== --- head/share/man/man4/pci.4 Thu Dec 21 04:21:59 2017 (r327054) +++ head/share/man/man4/pci.4 Thu Dec 21 04:23:00 2017 (r327055) @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd September 8, 2016 +.Dd December 20, 2017 .Dt PCI 4 .Os .Sh NAME Modified: head/share/man/man4/scsi.4 ============================================================================== --- head/share/man/man4/scsi.4 Thu Dec 21 04:21:59 2017 (r327054) +++ head/share/man/man4/scsi.4 Thu Dec 21 04:23:00 2017 (r327055) @@ -24,12 +24,12 @@ .\" SUCH DAMAGE. .\" .\" $FreeBSD$ -.Dd January 15, 2017 +.Dd December 20, 2017 .Dt CAM 4 .Os .Sh NAME .Nm CAM -.Nd Common Access Method SCSI/ATA subsystem +.Nd Common Access Method Storage subsystem .Sh SYNOPSIS .Cd "device scbus" .Cd "device ada" @@ -353,6 +353,7 @@ for details. .Xr cd 4 , .Xr ch 4 , .Xr da 4 , +.Xr nda 4 , .Xr nvme 4 , .Xr pass 4 , .Xr pt 4 ,
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