tree bd0f0c9342f173754db228834ccb0f35fd3dff20
parent 8e8da023f5af71662867729db5547dc54786093c
author Neil Horman <nhorman@tuxdriver.com> 1317924498 -0400
committer Jesse Barnes <jbarnes@virtuousgeek.org> 1323109304 -0800

PCI/sysfs: add per pci device msi[x] irq listing (v5)

This patch adds a per-pci-device subdirectory in sysfs called:
/sys/bus/pci/devices/<device>/msi_irqs

This sub-directory exports the set of msi vectors allocated by a given
pci device, by creating a numbered sub-directory for each vector beneath
msi_irqs.  For each vector various attributes can be exported.
Currently the only attribute is called mode, which tracks the
operational mode of that vector (msi vs. msix)

Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>