[libvirt] [PATCH v2 09/10] qemu: Add ability to set sgio values for hostdev
Add necessary checks in order to allow setting sgio values for a scsi
host device
Signed-off-by: John Ferlan <jferlan(a)redhat.com>
---
src/qemu/qemu_conf.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index 589a6cf..7df971b 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -1446,6 +1446,7 @@ qemuSetUnprivSGIO(virDomainDeviceDefPtr dev)
virDomainDiskDefPtr disk = NULL;
virDomainHostdevDefPtr hostdev = NULL;
char *sysfs_path = NULL;
+ char *hostdev_path = NULL;
const char *path = NULL;
bool val = false;
int ret = -1;
@@ -1467,13 +1468,10 @@ qemuSetUnprivSGIO(virDomainDeviceDefPtr dev)
if (!qemuIsSharedHostdev(hostdev))
return 0;
- if (hostdev->source.subsys.u.scsi.sgio)
- virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
- _("'sgio' is not supported for SCSI "
- "generic device yet "));
+ if (!(hostdev_path = qemuGetHostdevPath(hostdev)))
goto cleanup;
- return 0;
+ path = hostdev_path;
} else {
return 0;
}
@@ -1482,7 +1480,11 @@ qemuSetUnprivSGIO(virDomainDeviceDefPtr dev)
goto cleanup;
/* By default, filter the SG_IO commands, i.e. set unpriv_sgio to 0. */
- val = (disk->sgio == VIR_DOMAIN_DEVICE_SGIO_UNFILTERED);
+ if (dev->type == VIR_DOMAIN_DEVICE_DISK)
+ val = (disk->sgio == VIR_DOMAIN_DEVICE_SGIO_UNFILTERED);
+ else
+ val = (hostdev->source.subsys.u.scsi.sgio ==
+ VIR_DOMAIN_DEVICE_SGIO_UNFILTERED);
/* Do not do anything if unpriv_sgio is not supported by the kernel and the
* whitelist is enabled. But if requesting unfiltered access, always call
@@ -1499,6 +1501,7 @@ qemuSetUnprivSGIO(virDomainDeviceDefPtr dev)
ret = 0;
cleanup:
+ VIR_FREE(hostdev_path);
VIR_FREE(sysfs_path);
return ret;
}
--
2.1.0