C++ (Cpp) bdrv_detach_dev Examples

Example #1

File: piix.c Project: 0bliv10n/s2e

static int pci_piix3_xen_ide_unplug(DeviceState *dev)
{
    PCIDevice *pci_dev;
    PCIIDEState *pci_ide;
    DriveInfo *di;
    int i = 0;

    pci_dev = DO_UPCAST(PCIDevice, qdev, dev);
    pci_ide = DO_UPCAST(PCIIDEState, dev, pci_dev);

    for (; i < 3; i++) {
        di = drive_get_by_index(IF_IDE, i);
        if (di != NULL && !di->media_cd) {
            DeviceState *ds = bdrv_get_attached_dev(di->bdrv);
            if (ds) {
                bdrv_detach_dev(di->bdrv, ds);
            }
            bdrv_close(di->bdrv);
            pci_ide->bus[di->bus].ifs[di->unit].bs = NULL;
            drive_put_ref(di);
        }
    }
    qdev_reset_all(&(pci_ide->dev.qdev));
    return 0;
}

Example #2

File: qdev-properties.c Project: ddk50/qemu-qcas

static void free_drive(DeviceState *dev, Property *prop)
{
    BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop);

    if (*ptr) {
        bdrv_detach_dev(*ptr, dev);
        blockdev_auto_del(*ptr);
    }
}

Example #3

File: qdev-properties.c Project: breuerr/qemu

static void release_drive(Object *obj, const char *name, void *opaque)
{
    DeviceState *dev = DEVICE(obj);
    Property *prop = opaque;
    BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop);

    if (*ptr) {
        bdrv_detach_dev(*ptr, dev);
        blockdev_auto_del(*ptr);
    }
}

Example #4

File: xen_disk.c Project: MrPavel3243/limbo-android

static void blk_disconnect(struct XenDevice *xendev)
{
    struct XenBlkDev *blkdev = container_of(xendev, struct XenBlkDev, xendev);

    if (blkdev->bs) {
        if (!blkdev->dinfo) {
            /* close/delete only if we created it ourself */
            bdrv_close(blkdev->bs);
            bdrv_detach_dev(blkdev->bs, blkdev);
            bdrv_delete(blkdev->bs);
        }
        blkdev->bs = NULL;
    }
    xen_be_unbind_evtchn(&blkdev->xendev);

    if (blkdev->sring) {
        xc_gnttab_munmap(blkdev->xendev.gnttabdev, blkdev->sring, 1);
        blkdev->cnt_map--;
        blkdev->sring = NULL;
    }
}

Example #5

File: piix.c Project: Arch-Linux-MIPS/qemu

int pci_piix3_xen_ide_unplug(DeviceState *dev)
{
    PCIIDEState *pci_ide;
    DriveInfo *di;
    int i = 0;

    pci_ide = PCI_IDE(dev);

    for (; i < 3; i++) {
        di = drive_get_by_index(IF_IDE, i);
        if (di != NULL && !di->media_cd) {
            DeviceState *ds = bdrv_get_attached_dev(di->bdrv);
            if (ds) {
                bdrv_detach_dev(di->bdrv, ds);
            }
            bdrv_close(di->bdrv);
            pci_ide->bus[di->bus].ifs[di->unit].bs = NULL;
            drive_del(di);
        }
    }
    qdev_reset_all(DEVICE(dev));
    return 0;
}