Messages in this thread |  | | | Subject | Re: how to list pci devices from userpace? anything better than /proc/bus/pci/devices? | | From | Alan Cox <> | | Date | 28 Nov 2002 16:37:55 +0000 |
| |
On Wed, 2002-11-27 at 21:41, Richard B. Johnson wrote: > Red Hat distributions after 7.0 provide `lspci`. You still have > to parse ASCII. FYI, it's not hard to write a 'C' program > that directly accessed the PCI bus from its ports at 0xCF8 (index) > and 0xCFC (data). You need to do 32-bit port accesses and you > can set iopl(3) from user-space.
That wont work portably. lspci comes with a pci access library that uses the kernel interfaces and does the job correctly
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |