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authorjhb <jhb@FreeBSD.org>2009-02-02 19:54:16 +0000
committerjhb <jhb@FreeBSD.org>2009-02-02 19:54:16 +0000
commitfafb6ced88907b5b8a97eb1197547f7e88bb2b7c (patch)
treea62a7bd4e4111906cdc630730dbde725062184bd /rescue
parent2660392853b1e799fc0aedf0753fdb1180f79b8b (diff)
downloadFreeBSD-src-fafb6ced88907b5b8a97eb1197547f7e88bb2b7c.zip
FreeBSD-src-fafb6ced88907b5b8a97eb1197547f7e88bb2b7c.tar.gz
- Add a new ioctl to /dev/pci to fetch details on an individual BAR of a
device. The details include the current value of the BAR (including all the flag bits and the current base address), its length, and whether or not it is enabled. Since this operation is not invasive, non-root users are allowed to use it (unlike manual config register access which requires root). The intention is that userland apps (such as Xorg) will use this interface rather than dangerously frobbing the BARs from userland to obtain this information. - Add a new sub-mode to the 'list' mode of pciconf. The -b flag when used with -l will now list all the active BARs for each device. MFC after: 1 month
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