libvirt/SOURCES/libvirt-RHEL-qemu-Add-ability-to-set-sgio-values-for-hostdev.patch
2021-10-08 13:11:11 +00:00

78 lines
2.6 KiB
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From 2d4b19613c462e876ee1327d600f5cbbb998c540 Mon Sep 17 00:00:00 2001
Message-Id: <2d4b19613c462e876ee1327d600f5cbbb998c540@dist-git>
From: John Ferlan <jferlan@redhat.com>
Date: Mon, 17 Dec 2018 20:42:30 -0500
Subject: [PATCH] RHEL: qemu: Add ability to set sgio values for hostdev
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
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>
(cherry picked from commit f2cf0ae7bc371c75f6c0e79192711f2b1d201b10)
Reviewed-by: Ján Tomko <jtomko@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 a4f545ef92..3ea9784854 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -1633,6 +1633,7 @@ 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;
@@ -1654,14 +1655,10 @@ 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;
}
@@ -1670,7 +1667,11 @@ 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
@@ -1683,6 +1684,7 @@ qemuSetUnprivSGIO(virDomainDeviceDefPtr dev)
ret = 0;
cleanup:
+ VIR_FREE(hostdev_path);
VIR_FREE(sysfs_path);
return ret;
}
--
2.20.1