From 4b78773be04078d281419b629e58b00f7e6aac26 Mon Sep 17 00:00:00 2001 Message-Id: <4b78773be04078d281419b629e58b00f7e6aac26@dist-git> From: John Ferlan 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 Signed-off-by: Jiri Denemark --- 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 6dfa738..1d5b0ae 100644 --- a/src/qemu/qemu_conf.c +++ b/src/qemu/qemu_conf.c @@ -1379,6 +1379,7 @@ 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; @@ -1400,14 +1401,10 @@ 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; } @@ -1416,7 +1413,11 @@ 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 @@ -1429,6 +1430,7 @@ qemuSetUnprivSGIO(virDomainDeviceDefPtr dev) ret = 0; cleanup: + VIR_FREE(hostdev_path); VIR_FREE(sysfs_path); return ret; } -- 2.9.0