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 +.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 _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
