Date: Tue, 2 Jul 2019 17:23:38 +0000 (UTC) From: Niclas Zeising <zeising@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r349605 - stable/12/share/man/man4 Message-ID: <201907021723.x62HNcUo039755@repo.freebsd.org>
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Author: zeising (doc,ports committer) Date: Tue Jul 2 17:23:37 2019 New Revision: 349605 URL: https://svnweb.freebsd.org/changeset/base/349605 Log: MFC 349133 349146 349150: document PCIOCATTACHED r349133: 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 Differential Revision: https://reviews.freebsd.org/D20652 r349146: pci.4: wordsmith and add missing words Add missing words after PCI in the description of the PCIOCWRITE and PCIOCATTACHED ioctls. Use singular in PCIOCREAD, we only read one register at the time. Reviewed by: bcr, bjk, rgrimes, cem Differential Revision: https://reviews.freebsd.org/D20671 r349150: pci.4: Use plural configuration registers It is customary to use plural when talking about PCI configure registers. Reported by: scottl Modified: stable/12/share/man/man4/pci.4 Directory Properties: stable/12/ (props changed) Modified: stable/12/share/man/man4/pci.4 ============================================================================== --- stable/12/share/man/man4/pci.4 Tue Jul 2 16:56:27 2019 (r349604) +++ stable/12/share/man/man4/pci.4 Tue Jul 2 17:23:37 2019 (r349605) @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd June 14, 2018 +.Dd June 17, 2019 .Dt PCI 4 .Os .Sh NAME @@ -290,7 +290,7 @@ This .Xr ioctl 2 reads the .Tn PCI -configuration registers specified by the passed-in +configuration register specified by the passed-in .Va pci_io structure. The @@ -307,7 +307,7 @@ from the ioctl. .It pi_reg The .Tn PCI -configuration register the user would like to access. +configuration registers the user would like to access. .It pi_width The width, in bytes, of the data the user would like to read. This value @@ -323,7 +323,7 @@ This .Xr ioctl 2 allows users to write to the .Tn PCI -specified in the passed-in +configuration registers specified in the passed-in .Va pci_io structure. The @@ -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 +device specified in the passed-in +.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
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