libvirt/SOURCES/libvirt-RHEL-qemu-Add-check-for-unpriv-sgio-for-SCSI-generic-host-device.patch
2021-10-08 13:11:11 +00:00

65 lines
2.2 KiB
Diff

From c39257f41ccb22272c6161777bf71390676bf7f0 Mon Sep 17 00:00:00 2001
Message-Id: <c39257f41ccb22272c6161777bf71390676bf7f0@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: Jiri Denemark <jdenemar@redhat.com>
(cherry picked from commit 712005bcf26190dc6fd1fe56283377987909cc4b)
Reviewed-by: Ján Tomko <jtomko@redhat.com>
---
src/qemu/qemu_conf.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index 3ea9784854..7d15af9c0b 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -1473,6 +1473,8 @@ qemuAddSharedHostdev(virQEMUDriverPtr driver,
{
char *dev_path = NULL;
char *key = NULL;
+ virDomainHostdevSubsysSCSIPtr scsisrc = &hostdev->source.subsys.u.scsi;
+ virDomainHostdevSubsysSCSIHostPtr scsihostsrc = &scsisrc->u.host;
int ret = -1;
if (!qemuIsSharedHostdev(hostdev))
@@ -1481,6 +1483,19 @@ qemuAddSharedHostdev(virQEMUDriverPtr driver,
if (!(dev_path = qemuGetHostdevPath(hostdev)))
goto cleanup;
+ 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);
+ ret = -1;
+ }
+ goto cleanup;
+ }
+
if (!(key = qemuGetSharedDeviceKey(dev_path)))
goto cleanup;
--
2.20.1