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
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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