libvirt/libvirt-RHEL-qemu-Add-check-for-unpriv-sgio-for-SCSI-generic-host-device.patch

67 lines
2.2 KiB
Diff

From f562b4c83d342002291f6bd7c5776eaecbd3147f Mon Sep 17 00:00:00 2001
Message-Id: <f562b4c83d342002291f6bd7c5776eaecbd3147f@dist-git>
From: John Ferlan <jferlan@redhat.com>
Date: Mon, 17 Dec 2018 20:42:31 -0500
Subject: [PATCH] RHEL: qemu: Add check for unpriv sgio for SCSI generic host
device
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
https://bugzilla.redhat.com/show_bug.cgi?id=1582424
RHEL-only
Check if the hostdev has set the sgio filtered/unfiltered and handle
appropriately.
This restores functionality removed by upstream commit id 'ce346623'
to remove sgio support for the SCSI generic host device.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
---
src/qemu/qemu_conf.c | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index ba85fc6e22..28c334761b 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -1749,13 +1749,29 @@ qemuSharedHostdevAddRemoveInternal(virQEMUDriver *driver,
{
g_autofree char *dev_path = NULL;
g_autofree char *key = NULL;
+ virDomainHostdevSubsysSCSI *scsisrc = &hostdev->source.subsys.u.scsi;
+ virDomainHostdevSubsysSCSIHost *scsihostsrc = &scsisrc->u.host;
int ret = -1;
if (!qemuIsSharedHostdev(hostdev))
return 0;
- if (!(dev_path = qemuGetHostdevPath(hostdev)) ||
- !(key = qemuGetSharedDeviceKey(dev_path)))
+ if (!(dev_path = qemuGetHostdevPath(hostdev)))
+ return -1;
+
+ if ((ret = qemuCheckUnprivSGIO(driver->sharedDevices, dev_path,
+ scsisrc->sgio)) < 0) {
+ if (ret == -2) {
+ virReportError(VIR_ERR_OPERATION_INVALID,
+ _("sgio of shared scsi host device '%s-%u-%u-%llu' "
+ "conflicts with other active domains"),
+ scsihostsrc->adapter, scsihostsrc->bus,
+ scsihostsrc->target, scsihostsrc->unit);
+ }
+ return -1;
+ }
+
+ if (!(key = qemuGetSharedDeviceKey(dev_path)))
return -1;
qemuDriverLock(driver);
--
2.34.1