Date: Tue, 31 Jul 2012 19:42:00 +0200 (CEST) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: Venkat Duvvuru <venkatduvvuru.ml@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: PCI BAR mmap Message-ID: <alpine.BSF.2.00.1207311941230.2311@wojtek.tensor.gdynia.pl> In-Reply-To: <CAGdae7Z1J5FUzHi%2BFahZYjNmVUsBdpsNSWxkiaoUJTfC09fr5w@mail.gmail.com> References: <CAGdae7Z1J5FUzHi%2BFahZYjNmVUsBdpsNSWxkiaoUJTfC09fr5w@mail.gmail.com>
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> Hi, > How to mmap PCI BARs from userland in freebsd? > In Linux the PCI BAR appears as a file in the sysfs file system. How can I > access PCI BAR as a file in freebsd to mmap it? if you know the adress (pciconf tool, or by system call i think) then map portion of /dev/mem /dev/mem equals to physical addresses.
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