diff options
| -rw-r--r-- | hw/vfio/container.c | 11 | ||||
| -rw-r--r-- | hw/vfio/cpr.c | 19 | ||||
| -rw-r--r-- | hw/vfio/iommufd.c | 6 | ||||
| -rw-r--r-- | hw/vfio/meson.build | 1 | ||||
| -rw-r--r-- | include/hw/vfio/vfio-common.h | 3 |
5 files changed, 39 insertions, 1 deletions
diff --git a/hw/vfio/container.c b/hw/vfio/container.c index bd25b9fbad..096d77eac3 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -621,10 +621,15 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, goto free_container_exit; } + ret = vfio_cpr_register_container(bcontainer, errp); + if (ret) { + goto free_container_exit; + } + ret = vfio_ram_block_discard_disable(container, true); if (ret) { error_setg_errno(errp, -ret, "Cannot set discarding of RAM broken"); - goto free_container_exit; + goto unregister_container_exit; } assert(bcontainer->ops->setup); @@ -667,6 +672,9 @@ listener_release_exit: enable_discards_exit: vfio_ram_block_discard_disable(container, false); +unregister_container_exit: + vfio_cpr_unregister_container(bcontainer); + free_container_exit: g_free(container); @@ -710,6 +718,7 @@ static void vfio_disconnect_container(VFIOGroup *group) vfio_container_destroy(bcontainer); trace_vfio_disconnect_container(container->fd); + vfio_cpr_unregister_container(bcontainer); close(container->fd); g_free(container); diff --git a/hw/vfio/cpr.c b/hw/vfio/cpr.c new file mode 100644 index 0000000000..3bede54948 --- /dev/null +++ b/hw/vfio/cpr.c @@ -0,0 +1,19 @@ +/* + * Copyright (c) 2021-2024 Oracle and/or its affiliates. + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "hw/vfio/vfio-common.h" +#include "qapi/error.h" + +int vfio_cpr_register_container(VFIOContainerBase *bcontainer, Error **errp) +{ + return 0; +} + +void vfio_cpr_unregister_container(VFIOContainerBase *bcontainer) +{ +} diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c index 9bfddc1360..e1be224494 100644 --- a/hw/vfio/iommufd.c +++ b/hw/vfio/iommufd.c @@ -411,6 +411,11 @@ found_container: goto err_listener_register; } + ret = vfio_cpr_register_container(bcontainer, errp); + if (ret) { + goto err_listener_register; + } + /* * TODO: examine RAM_BLOCK_DISCARD stuff, should we do group level * for discarding incompatibility check as well? @@ -461,6 +466,7 @@ static void iommufd_cdev_detach(VFIODevice *vbasedev) iommufd_cdev_ram_block_discard_disable(false); } + vfio_cpr_unregister_container(bcontainer); iommufd_cdev_detach_container(vbasedev, container); iommufd_cdev_container_destroy(container); vfio_put_address_space(space); diff --git a/hw/vfio/meson.build b/hw/vfio/meson.build index bb98493b53..bba776f75c 100644 --- a/hw/vfio/meson.build +++ b/hw/vfio/meson.build @@ -5,6 +5,7 @@ vfio_ss.add(files( 'container-base.c', 'container.c', 'migration.c', + 'cpr.c', )) vfio_ss.add(when: 'CONFIG_PSERIES', if_true: files('spapr.c')) vfio_ss.add(when: 'CONFIG_IOMMUFD', if_true: files( diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index 4a6c262f77..b9da6c08ef 100644 --- a/include/hw/vfio/vfio-common.h +++ b/include/hw/vfio/vfio-common.h @@ -205,6 +205,9 @@ void vfio_detach_device(VFIODevice *vbasedev); int vfio_kvm_device_add_fd(int fd, Error **errp); int vfio_kvm_device_del_fd(int fd, Error **errp); +int vfio_cpr_register_container(VFIOContainerBase *bcontainer, Error **errp); +void vfio_cpr_unregister_container(VFIOContainerBase *bcontainer); + extern const MemoryRegionOps vfio_region_ops; typedef QLIST_HEAD(VFIOGroupList, VFIOGroup) VFIOGroupList; typedef QLIST_HEAD(VFIODeviceList, VFIODevice) VFIODeviceList; |