cryptodev: Account statistics

[mirror_qemu.git] / backends / cryptodev.c

diff --git a/backends/cryptodev.c b/backends/cryptodev.c
index 54ee8c81f50f8d1091903d43a73f45a6ddd6f630..5ee7507ca56e5750a2a1f74aaaa284a4682a2e29 100644 (file)
--- a/backends/cryptodev.c
+++ b/backends/cryptodev.c
@@ -24,6 +24,7 @@
 #include "qemu/osdep.h"
 #include "sysemu/cryptodev.h"
 #include "qapi/error.h"
+#include "qapi/qapi-commands-cryptodev.h"
 #include "qapi/visitor.h"
 #include "qemu/config-file.h"
 #include "qemu/error-report.h"
@@ -33,19 +34,56 @@
 
 static QTAILQ_HEAD(, CryptoDevBackendClient) crypto_clients;
 
+static int qmp_query_cryptodev_foreach(Object *obj, void *data)
+{
+    CryptoDevBackend *backend;
+    QCryptodevInfoList **infolist = data;
+    uint32_t services, i;
+
+    if (!object_dynamic_cast(obj, TYPE_CRYPTODEV_BACKEND)) {
+        return 0;
+    }
+
+    QCryptodevInfo *info = g_new0(QCryptodevInfo, 1);
+    info->id = g_strdup(object_get_canonical_path_component(obj));
+
+    backend = CRYPTODEV_BACKEND(obj);
+    services = backend->conf.crypto_services;
+    for (i = 0; i < QCRYPTODEV_BACKEND_SERVICE__MAX; i++) {
+        if (services & (1 << i)) {
+            QAPI_LIST_PREPEND(info->service, i);
+        }
+    }
+
+    for (i = 0; i < backend->conf.peers.queues; i++) {
+        CryptoDevBackendClient *cc = backend->conf.peers.ccs[i];
+        QCryptodevBackendClient *client = g_new0(QCryptodevBackendClient, 1);
+
+        client->queue = cc->queue_index;
+        client->type = cc->type;
+        QAPI_LIST_PREPEND(info->client, client);
+    }
+
+    QAPI_LIST_PREPEND(*infolist, info);
+
+    return 0;
+}
+
+QCryptodevInfoList *qmp_query_cryptodev(Error **errp)
+{
+    QCryptodevInfoList *list = NULL;
+    Object *objs = container_get(object_get_root(), "/objects");
+
+    object_child_foreach(objs, qmp_query_cryptodev_foreach, &list);
+
+    return list;
+}
 
-CryptoDevBackendClient *
-cryptodev_backend_new_client(const char *model,
-                                    const char *name)
+CryptoDevBackendClient *cryptodev_backend_new_client(void)
 {
     CryptoDevBackendClient *cc;
 
     cc = g_new0(CryptoDevBackendClient, 1);
-    cc->model = g_strdup(model);
-    if (name) {
-        cc->name = g_strdup(name);
-    }
-
     QTAILQ_INSERT_TAIL(&crypto_clients, cc, next);
 
     return cc;
@@ -55,8 +93,6 @@ 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);
 }
@@ -71,6 +107,9 @@ void cryptodev_backend_cleanup(
     if (bc->cleanup) {
         bc->cleanup(backend, errp);
     }
+
+    g_free(backend->sym_stat);
+    g_free(backend->asym_stat);
 }
 
 int cryptodev_backend_create_session(
@@ -107,38 +146,75 @@ int cryptodev_backend_close_session(
 
 static int cryptodev_backend_operation(
                  CryptoDevBackend *backend,
-                 CryptoDevBackendOpInfo *op_info,
-                 uint32_t queue_index,
-                 CryptoDevCompletionFunc cb,
-                 void *opaque)
+                 CryptoDevBackendOpInfo *op_info)
 {
     CryptoDevBackendClass *bc =
                       CRYPTODEV_BACKEND_GET_CLASS(backend);
 
     if (bc->do_op) {
-        return bc->do_op(backend, op_info, queue_index, cb, opaque);
+        return bc->do_op(backend, op_info);
     }
     return -VIRTIO_CRYPTO_NOTSUPP;
 }
 
+static int cryptodev_backend_account(CryptoDevBackend *backend,
+                 CryptoDevBackendOpInfo *op_info)
+{
+    enum QCryptodevBackendAlgType algtype = op_info->algtype;
+    int len;
+
+    if (algtype == QCRYPTODEV_BACKEND_ALG_ASYM) {
+        CryptoDevBackendAsymOpInfo *asym_op_info = op_info->u.asym_op_info;
+        len = asym_op_info->src_len;
+        switch (op_info->op_code) {
+        case VIRTIO_CRYPTO_AKCIPHER_ENCRYPT:
+            CryptodevAsymStatIncEncrypt(backend, len);
+            break;
+        case VIRTIO_CRYPTO_AKCIPHER_DECRYPT:
+            CryptodevAsymStatIncDecrypt(backend, len);
+            break;
+        case VIRTIO_CRYPTO_AKCIPHER_SIGN:
+            CryptodevAsymStatIncSign(backend, len);
+            break;
+        case VIRTIO_CRYPTO_AKCIPHER_VERIFY:
+            CryptodevAsymStatIncVerify(backend, len);
+            break;
+        default:
+            return -VIRTIO_CRYPTO_NOTSUPP;
+        }
+    } else if (algtype == QCRYPTODEV_BACKEND_ALG_SYM) {
+        CryptoDevBackendSymOpInfo *sym_op_info = op_info->u.sym_op_info;
+        len = sym_op_info->src_len;
+        switch (op_info->op_code) {
+        case VIRTIO_CRYPTO_CIPHER_ENCRYPT:
+            CryptodevSymStatIncEncrypt(backend, len);
+            break;
+        case VIRTIO_CRYPTO_CIPHER_DECRYPT:
+            CryptodevSymStatIncDecrypt(backend, len);
+            break;
+        default:
+            return -VIRTIO_CRYPTO_NOTSUPP;
+        }
+    } else {
+        error_report("Unsupported cryptodev alg type: %" PRIu32 "", algtype);
+        return -VIRTIO_CRYPTO_NOTSUPP;
+    }
+
+    return len;
+}
+
 int cryptodev_backend_crypto_operation(
                  CryptoDevBackend *backend,
-                 void *opaque1,
-                 uint32_t queue_index,
-                 CryptoDevCompletionFunc cb, void *opaque2)
+                 CryptoDevBackendOpInfo *op_info)
 {
-    VirtIOCryptoReq *req = opaque1;
-    CryptoDevBackendOpInfo *op_info = &req->op_info;
-    enum CryptoDevBackendAlgType algtype = req->flags;
+    int ret;
 
-    if ((algtype != CRYPTODEV_BACKEND_ALG_SYM)
-        && (algtype != CRYPTODEV_BACKEND_ALG_ASYM)) {
-        error_report("Unsupported cryptodev alg type: %" PRIu32 "", algtype);
-        return -VIRTIO_CRYPTO_NOTSUPP;
+    ret = cryptodev_backend_account(backend, op_info);
+    if (ret < 0) {
+        return ret;
     }
 
-    return cryptodev_backend_operation(backend, op_info, queue_index,
-                                       cb, opaque2);
+    return cryptodev_backend_operation(backend, op_info);
 }
 
 static void
@@ -174,10 +250,20 @@ cryptodev_backend_complete(UserCreatable *uc, Error **errp)
 {
     CryptoDevBackend *backend = CRYPTODEV_BACKEND(uc);
     CryptoDevBackendClass *bc = CRYPTODEV_BACKEND_GET_CLASS(uc);
+    uint32_t services;
 
     if (bc->init) {
         bc->init(backend, errp);
     }
+
+    services = backend->conf.crypto_services;
+    if (services & (1 << QCRYPTODEV_BACKEND_SERVICE_CIPHER)) {
+        backend->sym_stat = g_new0(CryptodevBackendSymStat, 1);
+    }
+
+    if (services & (1 << QCRYPTODEV_BACKEND_SERVICE_AKCIPHER)) {
+        backend->asym_stat = g_new0(CryptodevBackendAsymStat, 1);
+    }
 }
 
 void cryptodev_backend_set_used(CryptoDevBackend *backend, bool used)