5:58 a.m.
From: Paolo Bonzini <pbonzini@redhat com>
KVM will be able to use a PCI SCSI controller even on POWER. Let
the user specify the vSCSI controller by other means than a default.
After this patch, the QEMU driver will actually look at the model
and reject anything but auto, lsilogic and ibmvscsi.
Signed-off-by: Paolo Bonzini <pbonzini@redhat com>
Signed-off-by: Osier Yang<jyang@redhat com>
---
docs/formatdomain.html.in | 4 ++--
docs/schemas/domaincommon.rng | 1 +
src/conf/domain_conf.c | 3 ++-
src/conf/domain_conf.h | 1 +
src/qemu/qemu_command.c | 29 +++++++++++++++++++++++++----
src/vmx/vmx.c | 3 ++-
6 files changed, 33 insertions(+), 8 deletions(-)
diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index 5305f82..25f8da5 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -1657,8 +1657,8 @@
attributes <code>ports</code> and <code>vectors</code>,
which
control how many devices can be connected through the
controller. A "scsi" controller has an optional
- attribute <code>model</code>, which is one of "auto",
- "buslogic", "lsilogic", "lsias1068", or
"vmpvscsi".
+ attribute <code>model</code>, which is one of "auto",
"buslogic",
+ "ibmvscsi", "lsilogic", "lsias1068", or
"vmpvscsi".
A "usb" controller has an optional attribute
<code>model</code>,
which is one of "piix3-uhci", "piix4-uhci", "ehci",
"ich9-ehci1", "ich9-uhci1", "ich9-uhci2",
"ich9-uhci3",
diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index e276a92..d3deaea 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -1120,6 +1120,7 @@
<value>lsilogic</value>
<value>lsisas1068</value>
<value>vmpvscsi</value>
+ <value>ibmvscsi</value>
<value>piix3-uhci</value>
<value>piix4-uhci</value>
<value>ehci</value>
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index b0c3fa6..18e8b97 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -238,7 +238,8 @@ VIR_ENUM_IMPL(virDomainControllerModelSCSI,
VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LAS
"buslogic",
"lsilogic",
"lsisas1068",
- "vmpvscsi")
+ "vmpvscsi",
+ "ibmvscsi");
VIR_ENUM_IMPL(virDomainControllerModelUSB, VIR_DOMAIN_CONTROLLER_MODEL_USB_LAST,
"piix3-uhci",
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 9c8792a..aa8c824 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -452,6 +452,7 @@ enum virDomainControllerModelSCSI {
VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC,
VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSISAS1068,
VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VMPVSCSI,
+ VIR_DOMAIN_CONTROLLER_MODEL_SCSI_IBMVSCSI,
VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LAST
};
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index e783f22..90d9948 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -461,6 +461,15 @@ static int qemuAssignDeviceDiskAliasFixed(virDomainDiskDefPtr disk)
return 0;
}
+static int
+qemuDefaultScsiControllerModel(virDomainDefPtr def) {
+ if (STREQ(def->os.arch, "ppc64") &&
+ STREQ(def->os.machine, "pseries")) {
+ return VIR_DOMAIN_CONTROLLER_MODEL_SCSI_IBMVSCSI;
+ } else {
+ return VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC;
+ }
+}
/* Our custom -drive naming scheme used with id= */
static int qemuAssignDeviceDiskAliasCustom(virDomainDiskDefPtr disk)
@@ -2356,14 +2365,26 @@ qemuBuildControllerDevStr(virDomainDefPtr domainDef,
int *nusbcontroller)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
+ int model;
switch (def->type) {
case VIR_DOMAIN_CONTROLLER_TYPE_SCSI:
- if (STREQ(domainDef->os.arch, "ppc64") &&
- STREQ(domainDef->os.machine, "pseries")) {
- virBufferAddLit(&buf, "spapr-vscsi");
- } else {
+ model = def->model;
+ if (model == -1 ||
+ model == VIR_DOMAIN_CONTROLLER_MODEL_SCSI_AUTO) {
+ model = qemuDefaultScsiControllerModel(domainDef);
+ }
+ switch (model) {
+ case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC:
virBufferAddLit(&buf, "lsi");
+ break;
+ case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_IBMVSCSI:
+ virBufferAddLit(&buf, "spapr-vscsi");
+ break;
+ default:
+ qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("Unsupported controller model: %s"),
+ virDomainControllerModelSCSITypeToString(def->model));
}
virBufferAsprintf(&buf, ",id=scsi%d", def->idx);
break;
diff --git a/src/vmx/vmx.c b/src/vmx/vmx.c
index 5a1aebd..5eb7acb 100644
--- a/src/vmx/vmx.c
+++ b/src/vmx/vmx.c
@@ -490,7 +490,8 @@ VIR_ENUM_IMPL(virVMXControllerModelSCSI,
VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LAST,
"buslogic",
"lsilogic",
"lsisas1068",
- "pvscsi");
+ "pvscsi",
+ "UNUSED ibmvscsi");
--
1.7.7.3