C++ (Cpp) host_memory_backend_set_mapped Examples

Example #1

File: pc-dimm.c Project: Biamp-Systems/mb-qemu

static void pc_dimm_realize(DeviceState *dev, Error **errp)
{
    PCDIMMDevice *dimm = PC_DIMM(dev);
    PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm);

    if (!dimm->hostmem) {
        error_setg(errp, "'" PC_DIMM_MEMDEV_PROP "' property is not set");
        return;
    } else if (host_memory_backend_is_mapped(dimm->hostmem)) {
        char *path = object_get_canonical_path_component(OBJECT(dimm->hostmem));
        error_setg(errp, "can't use already busy memdev: %s", path);
        g_free(path);
        return;
    }
    if (((nb_numa_nodes > 0) && (dimm->node >= nb_numa_nodes)) ||
        (!nb_numa_nodes && dimm->node)) {
        error_setg(errp, "'DIMM property " PC_DIMM_NODE_PROP " has value %"
                   PRIu32 "' which exceeds the number of numa nodes: %d",
                   dimm->node, nb_numa_nodes ? nb_numa_nodes : 1);
        return;
    }

    if (ddc->realize) {
        ddc->realize(dimm, errp);
    }

    host_memory_backend_set_mapped(dimm->hostmem, true);
}

Example #2

File: ivshmem.c Project: Pating/qemu

static void ivshmem_plain_realize(PCIDevice *dev, Error **errp)
{
    IVShmemState *s = IVSHMEM_COMMON(dev);

    if (!s->hostmem) {
        error_setg(errp, "You must specify a 'memdev'");
        return;
    }

    ivshmem_common_realize(dev, errp);
    host_memory_backend_set_mapped(s->hostmem, true);
}

Example #3

File: pc-dimm.c Project: AmesianX/panda

static void pc_dimm_realize(DeviceState *dev, Error **errp)
{
    PCDIMMDevice *dimm = PC_DIMM(dev);
    PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm);

    if (!dimm->hostmem) {
        error_setg(errp, "'" PC_DIMM_MEMDEV_PROP "' property is not set");
        return;
    }
    if (((nb_numa_nodes > 0) && (dimm->node >= nb_numa_nodes)) ||
        (!nb_numa_nodes && dimm->node)) {
        error_setg(errp, "'DIMM property " PC_DIMM_NODE_PROP " has value %"
                   PRIu32 "' which exceeds the number of numa nodes: %d",
                   dimm->node, nb_numa_nodes ? nb_numa_nodes : 1);
        return;
    }

    if (ddc->realize) {
        ddc->realize(dimm, errp);
    }

    host_memory_backend_set_mapped(dimm->hostmem, true);
}

Example #4

File: pc-dimm.c Project: Biamp-Systems/mb-qemu

static void pc_dimm_unrealize(DeviceState *dev, Error **errp)
{
    PCDIMMDevice *dimm = PC_DIMM(dev);

    host_memory_backend_set_mapped(dimm->hostmem, false);
}

Example #5

File: ivshmem.c Project: Pating/qemu

static void ivshmem_plain_exit(PCIDevice *pci_dev)
{
    IVShmemState *s = IVSHMEM_COMMON(pci_dev);

    host_memory_backend_set_mapped(s->hostmem, false);
}