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From 50ad04e882e94c3c4471c216b146b0407490c97b Mon Sep 17 00:00:00 2001
Message-Id: <50ad04e882e94c3c4471c216b146b0407490c97b@dist-git>
From: John Ferlan <jferlan@redhat.com>
Date: Thu, 9 Jul 2015 08:28:57 -0400
Subject: [PATCH] RHEL: qemu: Add ability to set sgio values for hostdev
https://bugzilla.redhat.com/show_bug.cgi?id=1072736
RHEL-only
Add necessary checks in order to allow setting sgio values for a scsi
host device
Signed-off-by: John Ferlan <jferlan@redhat.com>
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
---
src/qemu/qemu_conf.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index 36cf3a281c..276e34f1a3 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -1570,6 +1570,7 @@ qemuSetUnprivSGIO(virDomainDeviceDefPtr dev)
virDomainDiskDefPtr disk = NULL;
virDomainHostdevDefPtr hostdev = NULL;
char *sysfs_path = NULL;
+ char *hostdev_path = NULL;
const char *path = NULL;
int val = -1;
int ret = -1;
@@ -1591,14 +1592,10 @@ 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;
}
@@ -1607,7 +1604,11 @@ 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
@@ -1620,6 +1621,7 @@ qemuSetUnprivSGIO(virDomainDeviceDefPtr dev)
ret = 0;
cleanup:
+ VIR_FREE(hostdev_path);
VIR_FREE(sysfs_path);
return ret;
}
--
2.17.0