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vhost-scsi: expose the TYPE_FW_PATH_PROVIDER interface

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In the way, we can make the bootindex property take effect.
At the meanwhile, the firmware path name of vhost-scsi is
"channel@channel/vhost-scsi@target,lun".

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Gonglei 2015-01-29 15:08:53 +08:00 committed by Paolo Bonzini
parent d4433f3211
commit 1956cf6fa1
2 changed files with 23 additions and 0 deletions
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20
hw/scsi/vhost-scsi.c
View File

@ -24,6 +24,7 @@
#include "hw/virtio/virtio-scsi.h"
#include "hw/virtio/virtio-bus.h"
#include "hw/virtio/virtio-access.h"
#include "hw/fw-path-provider.h"
/* Features supported by host kernel. */
static const int kernel_feature_bits[] = {
@ -271,6 +272,19 @@ static void vhost_scsi_unrealize(DeviceState *dev, Error **errp)
virtio_scsi_common_unrealize(dev, errp);
}
/*
* Implementation of an interface to adjust firmware path
* for the bootindex property handling.
*/
static char *vhost_scsi_get_fw_dev_path(FWPathProvider *p, BusState *bus,
DeviceState *dev)
{
VHostSCSI *s = VHOST_SCSI(dev);
/* format: channel@channel/vhost-scsi@target,lun */
return g_strdup_printf("channel@%x/%s@%x,%x", s->channel,
qdev_fw_name(dev), s->target, s->lun);
}
static Property vhost_scsi_properties[] = {
DEFINE_VHOST_SCSI_PROPERTIES(VHostSCSI, parent_obj.conf),
DEFINE_PROP_END_OF_LIST(),
@ -280,6 +294,7 @@ static void vhost_scsi_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(klass);
dc->props = vhost_scsi_properties;
set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
@ -288,6 +303,7 @@ static void vhost_scsi_class_init(ObjectClass *klass, void *data)
vdc->get_features = vhost_scsi_get_features;
vdc->set_config = vhost_scsi_set_config;
vdc->set_status = vhost_scsi_set_status;
fwc->get_dev_path = vhost_scsi_get_fw_dev_path;
}
static void vhost_scsi_instance_init(Object *obj)
@ -304,6 +320,10 @@ static const TypeInfo vhost_scsi_info = {
.instance_size = sizeof(VHostSCSI),
.class_init = vhost_scsi_class_init,
.instance_init = vhost_scsi_instance_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_FW_PATH_PROVIDER },
{ }
},
};
static void virtio_register_types(void)

3
include/hw/virtio/vhost-scsi.h
View File

@ -61,6 +61,9 @@ typedef struct VHostSCSI {
struct vhost_dev dev;
int32_t bootindex;
int channel;
int target;
int lun;
} VHostSCSI;
#define DEFINE_VHOST_SCSI_PROPERTIES(_state, _conf_field) \