[Qemu-devel] [PATCH v2 19/22] virtio: split virtio-scsi bits from virtio-pci

[Juan Quintela <quintela@redhat.com>]

Notice that we can't still run tests with it disabled.  Both cdrom-test and
drive_del-test use virtio-scsi without checking if it is enabled.

Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 hw/virtio/Makefile.objs     |  1 +
 hw/virtio/virtio-pci.c      | 68 ---------------------------
 hw/virtio/virtio-scsi-pci.c | 93 +++++++++++++++++++++++++++++++++++++
 tests/Makefile.include      |  4 +-
 4 files changed, 96 insertions(+), 70 deletions(-)
 create mode 100644 hw/virtio/virtio-scsi-pci.c

diff --git a/hw/virtio/Makefile.objs b/hw/virtio/Makefile.objs
index 6e6e001449..5d59302f89 100644
--- a/hw/virtio/Makefile.objs
+++ b/hw/virtio/Makefile.objs
@@ -19,6 +19,7 @@ obj-$(CONFIG_VIRTIO_INPUT) += virtio-input-pci.o
 obj-$(CONFIG_VIRTIO_RNG) += virtio-rng-pci.o
 obj-$(CONFIG_VIRTIO_BALLOON) += virtio-balloon-pci.o
 obj-$(CONFIG_VIRTIO_9P) += virtio-9p-pci.o
+obj-$(CONFIG_VIRTIO_SCSI) += virtio-scsi-pci.o
 endif
 
 common-obj-$(call lnot,$(call land,$(CONFIG_VIRTIO),$(CONFIG_LINUX))) += vhost-stub.o
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 6dbcf87371..2777e4b764 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1941,73 +1941,6 @@ static const TypeInfo virtio_blk_pci_info = {
     .class_init    = virtio_blk_pci_class_init,
 };
 
-/* virtio-scsi-pci */
-
-static Property virtio_scsi_pci_properties[] = {
-    DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
-                    VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
-    DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
-                       DEV_NVECTORS_UNSPECIFIED),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void virtio_scsi_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
-{
-    VirtIOSCSIPCI *dev = VIRTIO_SCSI_PCI(vpci_dev);
-    DeviceState *vdev = DEVICE(&dev->vdev);
-    VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(vdev);
-    DeviceState *proxy = DEVICE(vpci_dev);
-    char *bus_name;
-
-    if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
-        vpci_dev->nvectors = vs->conf.num_queues + 3;
-    }
-
-    /*
-     * For command line compatibility, this sets the virtio-scsi-device bus
-     * name as before.
-     */
-    if (proxy->id) {
-        bus_name = g_strdup_printf("%s.0", proxy->id);
-        virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
-        g_free(bus_name);
-    }
-
-    qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
-    object_property_set_bool(OBJECT(vdev), true, "realized", errp);
-}
-
-static void virtio_scsi_pci_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
-    PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
-
-    k->realize = virtio_scsi_pci_realize;
-    set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
-    dc->props = virtio_scsi_pci_properties;
-    pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
-    pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_SCSI;
-    pcidev_k->revision = 0x00;
-    pcidev_k->class_id = PCI_CLASS_STORAGE_SCSI;
-}
-
-static void virtio_scsi_pci_instance_init(Object *obj)
-{
-    VirtIOSCSIPCI *dev = VIRTIO_SCSI_PCI(obj);
-
-    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
-                                TYPE_VIRTIO_SCSI);
-}
-
-static const TypeInfo virtio_scsi_pci_info = {
-    .name          = TYPE_VIRTIO_SCSI_PCI,
-    .parent        = TYPE_VIRTIO_PCI,
-    .instance_size = sizeof(VirtIOSCSIPCI),
-    .instance_init = virtio_scsi_pci_instance_init,
-    .class_init    = virtio_scsi_pci_class_init,
-};
-
 /* virtio-serial-pci */
 
 static void virtio_serial_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
@@ -2186,7 +2119,6 @@ static void virtio_pci_register_types(void)
     type_register_static(&virtio_pci_bus_info);
     type_register_static(&virtio_pci_info);
     type_register_static(&virtio_blk_pci_info);
-    type_register_static(&virtio_scsi_pci_info);
     type_register_static(&virtio_serial_pci_info);
     type_register_static(&virtio_net_pci_info);
 }
diff --git a/hw/virtio/virtio-scsi-pci.c b/hw/virtio/virtio-scsi-pci.c
new file mode 100644
index 0000000000..4acceef1d5
--- /dev/null
+++ b/hw/virtio/virtio-scsi-pci.c
@@ -0,0 +1,93 @@
+/*
+ * Virtio scsi PCI Bindings
+ *
+ * Copyright IBM, Corp. 2007
+ * Copyright (c) 2009 CodeSourcery
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *  Paul Brook        <paul@codesourcery.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.  See
+ * the COPYING file in the top-level directory.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
+ */
+
+#include "qemu/osdep.h"
+
+#include "virtio-pci.h"
+
+static Property virtio_scsi_pci_properties[] = {
+    DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
+                    VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
+    DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
+                       DEV_NVECTORS_UNSPECIFIED),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void virtio_scsi_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
+{
+    VirtIOSCSIPCI *dev = VIRTIO_SCSI_PCI(vpci_dev);
+    DeviceState *vdev = DEVICE(&dev->vdev);
+    VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(vdev);
+    DeviceState *proxy = DEVICE(vpci_dev);
+    char *bus_name;
+
+    if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
+        vpci_dev->nvectors = vs->conf.num_queues + 3;
+    }
+
+    /*
+     * For command line compatibility, this sets the virtio-scsi-device bus
+     * name as before.
+     */
+    if (proxy->id) {
+        bus_name = g_strdup_printf("%s.0", proxy->id);
+        virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
+        g_free(bus_name);
+    }
+
+    qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
+    object_property_set_bool(OBJECT(vdev), true, "realized", errp);
+}
+
+static void virtio_scsi_pci_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
+    PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
+
+    k->realize = virtio_scsi_pci_realize;
+    set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
+    dc->props = virtio_scsi_pci_properties;
+    pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
+    pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_SCSI;
+    pcidev_k->revision = 0x00;
+    pcidev_k->class_id = PCI_CLASS_STORAGE_SCSI;
+}
+
+static void virtio_scsi_pci_instance_init(Object *obj)
+{
+    VirtIOSCSIPCI *dev = VIRTIO_SCSI_PCI(obj);
+
+    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
+                                TYPE_VIRTIO_SCSI);
+}
+
+static const TypeInfo virtio_scsi_pci_info = {
+    .name          = TYPE_VIRTIO_SCSI_PCI,
+    .parent        = TYPE_VIRTIO_PCI,
+    .instance_size = sizeof(VirtIOSCSIPCI),
+    .instance_init = virtio_scsi_pci_instance_init,
+    .class_init    = virtio_scsi_pci_class_init,
+};
+
+
+static void virtio_scsi_pci_register(void)
+{
+    type_register_static(&virtio_scsi_pci_info);
+}
+
+type_init(virtio_scsi_pci_register)
diff --git a/tests/Makefile.include b/tests/Makefile.include
index d0432e4132..32dc111300 100644
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -197,8 +197,8 @@ check-qtest-virtio-y += tests/virtio-blk-test$(EXESUF)
 gcov-files-virtio-y += i386-softmmu/hw/block/virtio-blk.c
 check-qtest-virtio-$(CONFIG_VIRTIO_RNG) += tests/virtio-rng-test$(EXESUF)
 gcov-files-virtio-$(CONFIG_VIRTIO_RNG) += hw/virtio/virtio-rng.c
-check-qtest-virtio-y += tests/virtio-scsi-test$(EXESUF)
-gcov-files-virtio-y += i386-softmmu/hw/scsi/virtio-scsi.c
+check-qtest-virtio-$(CONFIG_VIRTIO_SCSI) += tests/virtio-scsi-test$(EXESUF)
+gcov-files-virtio-$(CONFIG_VIRTIO_SCSI) += i386-softmmu/hw/scsi/virtio-scsi.c
 ifeq ($(CONFIG_VIRTIO)$(CONFIG_VIRTFS)$(CONFIG_PCI),yyy)
 check-qtest-virtio-y += tests/virtio-9p-test$(EXESUF)
 gcov-files-virtio-y += hw/9pfs/virtio-9p.c
-- 
2.17.1