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| author | Stefan Hajnoczi <stefanha@redhat.com> | 2016-11-03 14:41:53 +0000 |
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| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2016-11-03 14:41:53 +0000 |
| commit | c2a4b384f5484fed94b4466151c7f9a705414a57 (patch) | |
| tree | 51814abaa21bf862d4db7f47d9771e94567e93f8 /backends/cryptodev.c | |
| parent | 4eb28abd52d48657cff6ff45e8dbbbefe4dbb414 (diff) | |
| parent | 53000638f233d6ba1d584a68b74f2cde79615b80 (diff) | |
| download | focaccia-qemu-c2a4b384f5484fed94b4466151c7f9a705414a57.tar.gz focaccia-qemu-c2a4b384f5484fed94b4466151c7f9a705414a57.zip | |
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
virtio, pc: fixes and features nvdimm hotplug support virtio migration and ioeventfd rework virtio crypto device ipmi fixes Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Tue 01 Nov 2016 05:23:40 PM GMT # gpg: using RSA key 0x281F0DB8D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" # Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * remotes/mst/tags/for_upstream: (47 commits) acpi: fix assert failure caused by commit 35c5a52d acpi/ipmi: Initialize the fwinfo before fetching it ipmi: Add graceful shutdown handling to the external BMC ipmi: fix build config variable name for ipmi_bmc_extern.o ipmi: Implement shutdown via ACPI overtemp ipmi: chassis poweroff should use qemu_system_shutdown_request() ipmi_bmc_sim: Remove an unnecessary mutex ipmi: Remove hotplug from IPMI BMCs pc: memhp: enable nvdimm device hotplug nvdimm acpi: introduce _FIT nvdimm acpi: introduce fit buffer nvdimm acpi: prebuild nvdimm devices for available slots nvdimm acpi: use common macros instead of magic names acpi nvdimm: rename result_size to dsm_out_buf_siz nvdimm acpi: compile nvdimm acpi code arch-independently acpi nvdimm: fix Arg6 usage acpi nvdimm: fix ARG3 conflict acpi nvdimm: fix device physical address base acpi nvdimm: fix OperationRegion definition acpi nvdimm: fix wrong buffer size returned by DSM method ... Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'backends/cryptodev.c')
| -rw-r--r-- | backends/cryptodev.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/backends/cryptodev.c b/backends/cryptodev.c new file mode 100644 index 0000000000..4a49f9762f --- /dev/null +++ b/backends/cryptodev.c @@ -0,0 +1,245 @@ +/* + * QEMU Crypto Device Implementation + * + * Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD. + * + * Authors: + * Gonglei <arei.gonglei@huawei.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + * + */ + +#include "qemu/osdep.h" +#include "sysemu/cryptodev.h" +#include "hw/boards.h" +#include "qapi/error.h" +#include "qapi/visitor.h" +#include "qapi-types.h" +#include "qapi-visit.h" +#include "qemu/config-file.h" +#include "qom/object_interfaces.h" +#include "hw/virtio/virtio-crypto.h" + + +static QTAILQ_HEAD(, CryptoDevBackendClient) crypto_clients; + + +CryptoDevBackendClient * +cryptodev_backend_new_client(const char *model, + const char *name) +{ + CryptoDevBackendClient *cc; + + cc = g_malloc0(sizeof(CryptoDevBackendClient)); + cc->model = g_strdup(model); + if (name) { + cc->name = g_strdup(name); + } + + QTAILQ_INSERT_TAIL(&crypto_clients, cc, next); + + return cc; +} + +void cryptodev_backend_free_client( + CryptoDevBackendClient *cc) +{ + QTAILQ_REMOVE(&crypto_clients, cc, next); + g_free(cc->name); + g_free(cc->model); + g_free(cc->info_str); + g_free(cc); +} + +void cryptodev_backend_cleanup( + CryptoDevBackend *backend, + Error **errp) +{ + CryptoDevBackendClass *bc = + CRYPTODEV_BACKEND_GET_CLASS(backend); + + if (bc->cleanup) { + bc->cleanup(backend, errp); + } + + backend->ready = false; +} + +int64_t cryptodev_backend_sym_create_session( + CryptoDevBackend *backend, + CryptoDevBackendSymSessionInfo *sess_info, + uint32_t queue_index, Error **errp) +{ + CryptoDevBackendClass *bc = + CRYPTODEV_BACKEND_GET_CLASS(backend); + + if (bc->create_session) { + return bc->create_session(backend, sess_info, queue_index, errp); + } + + return -1; +} + +int cryptodev_backend_sym_close_session( + CryptoDevBackend *backend, + uint64_t session_id, + uint32_t queue_index, Error **errp) +{ + CryptoDevBackendClass *bc = + CRYPTODEV_BACKEND_GET_CLASS(backend); + + if (bc->close_session) { + return bc->close_session(backend, session_id, queue_index, errp); + } + + return -1; +} + +static int cryptodev_backend_sym_operation( + CryptoDevBackend *backend, + CryptoDevBackendSymOpInfo *op_info, + uint32_t queue_index, Error **errp) +{ + CryptoDevBackendClass *bc = + CRYPTODEV_BACKEND_GET_CLASS(backend); + + if (bc->do_sym_op) { + return bc->do_sym_op(backend, op_info, queue_index, errp); + } + + return -VIRTIO_CRYPTO_ERR; +} + +int cryptodev_backend_crypto_operation( + CryptoDevBackend *backend, + void *opaque, + uint32_t queue_index, Error **errp) +{ + VirtIOCryptoReq *req = opaque; + + if (req->flags == CRYPTODEV_BACKEND_ALG_SYM) { + CryptoDevBackendSymOpInfo *op_info; + op_info = req->u.sym_op_info; + + return cryptodev_backend_sym_operation(backend, + op_info, queue_index, errp); + } else { + error_setg(errp, "Unsupported cryptodev alg type: %" PRIu32 "", + req->flags); + return -VIRTIO_CRYPTO_NOTSUPP; + } + + return -VIRTIO_CRYPTO_ERR; +} + +static void +cryptodev_backend_get_queues(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + CryptoDevBackend *backend = CRYPTODEV_BACKEND(obj); + uint32_t value = backend->conf.peers.queues; + + visit_type_uint32(v, name, &value, errp); +} + +static void +cryptodev_backend_set_queues(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + CryptoDevBackend *backend = CRYPTODEV_BACKEND(obj); + Error *local_err = NULL; + uint32_t value; + + visit_type_uint32(v, name, &value, &local_err); + if (local_err) { + goto out; + } + if (!value) { + error_setg(&local_err, "Property '%s.%s' doesn't take value '%" + PRIu32 "'", object_get_typename(obj), name, value); + goto out; + } + backend->conf.peers.queues = value; +out: + error_propagate(errp, local_err); +} + +static void +cryptodev_backend_complete(UserCreatable *uc, Error **errp) +{ + CryptoDevBackend *backend = CRYPTODEV_BACKEND(uc); + CryptoDevBackendClass *bc = CRYPTODEV_BACKEND_GET_CLASS(uc); + Error *local_err = NULL; + + if (bc->init) { + bc->init(backend, &local_err); + if (local_err) { + goto out; + } + } + backend->ready = true; + return; + +out: + backend->ready = false; + error_propagate(errp, local_err); +} + +static void cryptodev_backend_instance_init(Object *obj) +{ + object_property_add(obj, "queues", "int", + cryptodev_backend_get_queues, + cryptodev_backend_set_queues, + NULL, NULL, NULL); + /* Initialize devices' queues property to 1 */ + object_property_set_int(obj, 1, "queues", NULL); +} + +static void cryptodev_backend_finalize(Object *obj) +{ + +} + +static void +cryptodev_backend_class_init(ObjectClass *oc, void *data) +{ + UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc); + + ucc->complete = cryptodev_backend_complete; + + QTAILQ_INIT(&crypto_clients); +} + +static const TypeInfo cryptodev_backend_info = { + .name = TYPE_CRYPTODEV_BACKEND, + .parent = TYPE_OBJECT, + .instance_size = sizeof(CryptoDevBackend), + .instance_init = cryptodev_backend_instance_init, + .instance_finalize = cryptodev_backend_finalize, + .class_size = sizeof(CryptoDevBackendClass), + .class_init = cryptodev_backend_class_init, + .interfaces = (InterfaceInfo[]) { + { TYPE_USER_CREATABLE }, + { } + } +}; + +static void +cryptodev_backend_register_types(void) +{ + type_register_static(&cryptodev_backend_info); +} + +type_init(cryptodev_backend_register_types); |