Date: Mon, 22 May 2006 00:50:10 -0600 (MDT) From: Warner Losh <imp@bsdimp.com> To: avalonwallace@gmail.com Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: misc questions about the device&driver arch Message-ID: <20060522.005010.104089663.imp@bsdimp.com> In-Reply-To: <87ab37ab0605212328ue7c70fcu49c5fec8921ae229@mail.gmail.com> References: <87ab37ab0605210108w127a235bue281428f52bbc784@mail.gmail.com> <20060521.114807.74702188.imp@bsdimp.com> <87ab37ab0605212328ue7c70fcu49c5fec8921ae229@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
> > That happens at attach time. Cardbus right now has a private protocol > > between the card bus bridge (cbb) and the bus to know when there's a > > new card in a slot and to enumerate that bus. > i think that 's because in cardbus protocol ,one bus only have one > device ,so does pci express port (port :device =1:1) Cool. I just bought a new laptop yesterday. It has an expresscard slot, which I think is handled as a PCI Express port (or USB 2.0 port, depending on the card that's inserted). > so there will be a long list of methods in the future hotplug pci > driver and pcib driver > SHPC interface .. > ....... > PCIE interface > ....... > compaq interface > ....... > IBM interface .... > ....... > poer interface > ....... Yes. If ExpressCard isn't handled by the PCIe interface, then we'd want to add it to the list as well. Warner
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20060522.005010.104089663.imp>