On 2019-06-17 09:56, Benjamin Kaduk wrote:
On Sun, Jun 16, 2019 at 10:42 PM Niclas Zeising <zeis...@freebsd.org
<mailto:zeis...@freebsd.org>> wrote:
Author: zeising (doc,ports committer)
Date: Mon Jun 17 05:41:47 2019
New Revision: 349133
URL: https://svnweb.freebsd.org/changeset/base/349133
Log:
pci(4): Document PCIOCATTACHED
Document the PCIOCATTACHED ioctl(2) in the pci(4) manual.
PCIOCATTACHED is used to query if a driver has attached to a PCI.
Reviewed by: bcr, imp
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D20652
Modified:
head/share/man/man4/pci.4
Modified: head/share/man/man4/pci.4
==============================================================================
--- head/share/man/man4/pci.4 Mon Jun 17 03:48:44 2019
(r349132)
+++ head/share/man/man4/pci.4 Mon Jun 17 05:41:47 2019
(r349133)
@@ -24,7 +24,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd June 14, 2018
+.Dd June 17, 2019
.Dt PCI 4
.Os
.Sh NAME
@@ -333,6 +333,26 @@ The limitations on data width described for
reading registers, above, also apply to writing
.Tn PCI
configuration registers.
+.It PCIOCATTACHED
+This
+.Xr ioctl 2
+allows users to query if a driver is attached to the
+.Tn PCI
+specified in the passed-in
Is there a missing word like "device" here?
I just followed the same syntax as for the PCIOCWRITE ioctl in the
paragraph before. I found it a little strange when I read it, but I
kind of assumed there was a reason it said PCI and not PCI device,
perhaps similar to using RAM instead of RAM memory, if you understand
what I mean.
Regards
Niclas
+.Va pci_io
+structure.
+The
+.Va pci_io
+structure is described above, however, the
+.Va pi_reg
+and
+.Va pi_width
+fields are not used.
+The status of the device is stored in the
+.Va pi_data
+field.
+A value of 0 indicates no driver is attached, while a value larger
than 0
+indicates that a driver is attached.
.It PCIOCBARMMAP
This
.Xr ioctl 2
--
Niclas Zeising
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