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Add PCI sysfs reset access

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I'm proposing we make use of $PCIDIR/reset in qemu-kvm to reset
devices on VM reset.  We need to add it to libvirt's list of
files that get ownership for device assignment.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Alex Williamson 2011-03-17 14:26:36 -06:00 committed by Eric Blake
parent b24b442bf7
commit 2090b0f52d
1 changed files with 4 additions and 2 deletions
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6
src/util/pci.c
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@ -1349,11 +1349,13 @@ int pciDeviceFileIterate(pciDevice *dev,
while ((ent = readdir(dir)) != NULL) { while ((ent = readdir(dir)) != NULL) {
/* Device assignment requires: /* Device assignment requires:
* $PCIDIR/config, $PCIDIR/resource, $PCIDIR/resourceNNN, $PCIDIR/rom * $PCIDIR/config, $PCIDIR/resource, $PCIDIR/resourceNNN,
* $PCIDIR/rom, $PCIDIR/reset
*/ */
if (STREQ(ent->d_name, "config") || if (STREQ(ent->d_name, "config") ||
STRPREFIX(ent->d_name, "resource") || STRPREFIX(ent->d_name, "resource") ||
STREQ(ent->d_name, "rom")) { STREQ(ent->d_name, "rom") ||
STREQ(ent->d_name, "reset")) {
if (virAsprintf(&file, "%s/%s", pcidir, ent->d_name) < 0) { if (virAsprintf(&file, "%s/%s", pcidir, ent->d_name) < 0) {
virReportOOMError(); virReportOOMError();
goto cleanup; goto cleanup;