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| author | Michael S. Tsirkin <mst@redhat.com> | 2009-07-27 22:37:48 +0200 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-09-09 22:29:24 +0200 |
| commit | 711d57796f5ce2d02d6e62c9034afbb16aedda31 (patch) | |
| tree | 935861fee775b171cafc96de57fe4fbfa19892eb /drivers/pci/pci.h | |
| parent | PCI Hotplug: acpiphp: get pci_bus from acpi handle correctly (diff) | |
| download | linux-711d57796f5ce2d02d6e62c9034afbb16aedda31.tar.xz linux-711d57796f5ce2d02d6e62c9034afbb16aedda31.zip | |
PCI: expose function reset capability in sysfs
Some devices allow an individual function to be reset without affecting
other functions in the same device: that's what pci_reset_function does.
For devices that have this support, expose reset attribite in sysfs.
This is useful e.g. for virtualization, where a qemu userspace
process wants to reset the device when the guest is reset,
to emulate machine reboot as closely as possible.
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/pci.h')
| -rw-r--r-- | drivers/pci/pci.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 5ff4d25bf0e9..73d9d92715a0 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -16,6 +16,7 @@ extern void pci_cleanup_rom(struct pci_dev *dev); extern int pci_mmap_fits(struct pci_dev *pdev, int resno, struct vm_area_struct *vma); #endif +int pci_probe_reset_function(struct pci_dev *dev); /** * struct pci_platform_pm_ops - Firmware PM callbacks |