'\" t
.\"     Title: pci_find_next_ext_capability
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Hardware Interfaces
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "PCI_FIND_NEXT_EXT_CA" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Hardware Interfaces"
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.SH "NAME"
pci_find_next_ext_capability \- Find an extended capability
.SH "SYNOPSIS"
.HP \w'int\ pci_find_next_ext_capability('u
.BI "int pci_find_next_ext_capability(struct\ pci_dev\ *\ " "dev" ", int\ " "start" ", int\ " "cap" ");"
.SH "ARGUMENTS"
.PP
\fIdev\fR
.RS 4
PCI device to query
.RE
.PP
\fIstart\fR
.RS 4
address at which to start looking (0 to start at beginning of list)
.RE
.PP
\fIcap\fR
.RS 4
capability code
.RE
.SH "DESCRIPTION"
.PP
Returns the address of the next matching extended capability structure within the device\*(Aqs PCI configuration space or 0 if the device does not support it\&. Some capabilities can occur several times, e\&.g\&., the vendor\-specific capability, and this provides a way to find them all\&.
.SH "COPYRIGHT"
.br