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Tsirkin" To: zhenwei pi Cc: arei.gonglei@huawei.com, dgilbert@redhat.com, eblake@redhat.com, armbru@redhat.com, michael.roth@amd.com, pbonzini@redhat.com, qemu-devel@nongnu.org Subject: Re: [for-8.0 v2 06/11] cryptodev: Support statistics Message-ID: <20221220103440-mutt-send-email-mst@kernel.org> References: <20221122140756.686982-1-pizhenwei@bytedance.com> <20221122140756.686982-7-pizhenwei@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221122140756.686982-7-pizhenwei@bytedance.com> Received-SPF: pass client-ip=170.10.129.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Tue, Nov 22, 2022 at 10:07:51PM +0800, zhenwei pi wrote: > Introduce cryptodev statistics in QAPI, and record OPS/Bandwidth for > each crypto device. > > Example of this feature: > virsh qemu-monitor-command vm '{"execute": "query-cryptodev"}' | jq > { > "return": [ > { > "service": [ > "akcipher", > "mac", > "hash", > "cipher" > ], > "asym-stat": { > "encrypt-ops": 0, > "verify-bytes": 0, > "sign-ops": 0, > "verify-ops": 0, > "sign-bytes": 0, > "decrypt-bytes": 0, > "decrypt-ops": 0, > "encrypt-bytes": 0 > }, > "sym-stat": { > "encrypt-ops": 40, > "decrypt-bytes": 5376, > "decrypt-ops": 40, > "encrypt-bytes": 5376 > }, > "id": "cryptodev1", > "client": [ > { > "queue": 0, > "type": "builtin", > "info": "cryptodev-builtin0" > } > ] > }, > { > "service": [ > "akcipher" > ], > "asym-stat": { > "encrypt-ops": 54, > "verify-bytes": 8704, > "sign-ops": 17, > "verify-ops": 34, > "sign-bytes": 340, > "decrypt-bytes": 9215, > "decrypt-ops": 36, > "encrypt-bytes": 13294 > }, > "id": "cryptodev0", > "client": [ > { > "queue": 0, > "type": "lkcf", > "info": "cryptodev-lkcf0" > } > ] > } > ], > "id": "libvirt-424" > } > > Signed-off-by: zhenwei pi Needs ACK from QAPI maintainers. > --- > backends/cryptodev.c | 81 +++++++++++++++++++++++++++++++++++--- > include/sysemu/cryptodev.h | 30 ++++++++++++++ > qapi/cryptodev.json | 58 ++++++++++++++++++++++++++- > 3 files changed, 162 insertions(+), 7 deletions(-) > > diff --git a/backends/cryptodev.c b/backends/cryptodev.c > index bf2f3234c9..d623bf3bff 100644 > --- a/backends/cryptodev.c > +++ b/backends/cryptodev.c > @@ -48,6 +48,18 @@ static int qmp_query_cryptodev_foreach(Object *obj, void *data) > info->id = g_strdup(object_get_canonical_path_component(obj)); > > backend = CRYPTODEV_BACKEND(obj); > + if (backend->sym_stat) { > + info->has_sym_stat = true; > + info->sym_stat = g_memdup2(backend->sym_stat, > + sizeof(QCryptodevBackendSymStat)); > + } > + > + if (backend->asym_stat) { > + info->has_asym_stat = true; > + info->asym_stat = g_memdup2(backend->asym_stat, > + sizeof(QCryptodevBackendAsymStat)); > + } > + > services = backend->conf.crypto_services; > for (uint32_t i = 0; i < QCRYPTODEV_BACKEND_SERVICE__MAX; i++) { > if (services & (1 << i)) { > @@ -111,6 +123,9 @@ 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( > @@ -161,6 +176,52 @@ static int cryptodev_backend_operation( > 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: > + QCryptodevAsymStatIncEncrypt(backend, len); > + break; > + case VIRTIO_CRYPTO_AKCIPHER_DECRYPT: > + QCryptodevAsymStatIncDecrypt(backend, len); > + break; > + case VIRTIO_CRYPTO_AKCIPHER_SIGN: > + QCryptodevAsymStatIncSign(backend, len); > + break; > + case VIRTIO_CRYPTO_AKCIPHER_VERIFY: > + QCryptodevAsymStatIncVerify(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: > + QCryptodevSymStatIncEncrypt(backend, len); > + break; > + case VIRTIO_CRYPTO_CIPHER_DECRYPT: > + QCryptodevSymStatIncDecrypt(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, > @@ -169,14 +230,12 @@ int cryptodev_backend_crypto_operation( > { > VirtIOCryptoReq *req = opaque1; > CryptoDevBackendOpInfo *op_info = &req->op_info; > - enum QCryptodevBackendAlgType algtype = req->flags; > + int ret; > > - if ((algtype != QCRYPTODEV_BACKEND_ALG_SYM) > - && (algtype != QCRYPTODEV_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); > } > @@ -214,10 +273,20 @@ 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(QCryptodevBackendSymStat, 1); > + } > + > + if (services & (1 << QCRYPTODEV_BACKEND_SERVICE_AKCIPHER)) { > + backend->asym_stat = g_new0(QCryptodevBackendAsymStat, 1); > + } > } > > void cryptodev_backend_set_used(CryptoDevBackend *backend, bool used) > diff --git a/include/sysemu/cryptodev.h b/include/sysemu/cryptodev.h > index f68a4baf13..c154c52039 100644 > --- a/include/sysemu/cryptodev.h > +++ b/include/sysemu/cryptodev.h > @@ -252,8 +252,38 @@ struct CryptoDevBackend { > /* Tag the cryptodev backend is used by virtio-crypto or not */ > bool is_used; > CryptoDevBackendConf conf; > + QCryptodevBackendSymStat *sym_stat; > + QCryptodevBackendAsymStat *asym_stat; > }; > > +#define QCryptodevSymStatInc(be, op, bytes) do { \ > + be->sym_stat->op##_bytes += (bytes); \ > + be->sym_stat->op##_ops += 1; \ > +} while (/*CONSTCOND*/0) > + > +#define QCryptodevSymStatIncEncrypt(be, bytes) \ > + QCryptodevSymStatInc(be, encrypt, bytes) > + > +#define QCryptodevSymStatIncDecrypt(be, bytes) \ > + QCryptodevSymStatInc(be, decrypt, bytes) > + > +#define QCryptodevAsymStatInc(be, op, bytes) do { \ > + be->asym_stat->op##_bytes += (bytes); \ > + be->asym_stat->op##_ops += 1; \ > +} while (/*CONSTCOND*/0) > + > +#define QCryptodevAsymStatIncEncrypt(be, bytes) \ > + QCryptodevAsymStatInc(be, encrypt, bytes) > + > +#define QCryptodevAsymStatIncDecrypt(be, bytes) \ > + QCryptodevAsymStatInc(be, decrypt, bytes) > + > +#define QCryptodevAsymStatIncSign(be, bytes) \ > + QCryptodevAsymStatInc(be, sign, bytes) > + > +#define QCryptodevAsymStatIncVerify(be, bytes) \ > + QCryptodevAsymStatInc(be, verify, bytes) > + > /** > * cryptodev_backend_new_client: > * > diff --git a/qapi/cryptodev.json b/qapi/cryptodev.json > index 4cc4f4f0ed..f01f2d017a 100644 > --- a/qapi/cryptodev.json > +++ b/qapi/cryptodev.json > @@ -60,6 +60,60 @@ > 'type': 'QCryptodevBackendType', > '*info': 'str' } } > > +## > +# @QCryptodevBackendSymStat: > +# > +# The statistics of symmetric operation. > +# > +# @encrypt-ops: the operations of symmetric encryption > +# > +# @decrypt-ops: the operations of symmetric decryption > +# > +# @encrypt-bytes: the bytes of symmetric encryption > +# > +# @decrypt-bytes: the bytes of symmetric decryption > +# > +# Since: 8.0 > +## > +{ 'struct': 'QCryptodevBackendSymStat', > + 'data': { 'encrypt-ops': 'int', > + 'decrypt-ops': 'int', > + 'encrypt-bytes': 'int', > + 'decrypt-bytes': 'int' } } > + > +## > +# @QCryptodevBackendAsymStat: > +# > +# The statistics of asymmetric operation. > +# > +# @encrypt-ops: the operations of asymmetric encryption > +# > +# @decrypt-ops: the operations of asymmetric decryption > +# > +# @sign-ops: the operations of asymmetric signature > +# > +# @verify-ops: the operations of asymmetric verification > +# > +# @encrypt-bytes: the bytes of asymmetric encryption > +# > +# @decrypt-bytes: the bytes of asymmetric decryption > +# > +# @sign-bytes: the bytes of asymmetric signature > +# > +# @verify-bytes: the bytes of asymmetric verification > +# > +# Since: 8.0 > +## > +{ 'struct': 'QCryptodevBackendAsymStat', > + 'data': { 'encrypt-ops': 'int', > + 'decrypt-ops': 'int', > + 'sign-ops': 'int', > + 'verify-ops': 'int', > + 'encrypt-bytes': 'int', > + 'decrypt-bytes': 'int', > + 'sign-bytes': 'int', > + 'verify-bytes': 'int' } } > + > ## > # @CryptodevInfo: > # > @@ -74,7 +128,9 @@ > { 'struct': 'CryptodevInfo', > 'data': { 'id': 'str', > 'service': ['QCryptodevBackendServiceType'], > - 'client': ['CryptodevBackendClient'] } } > + 'client': ['CryptodevBackendClient'], > + '*sym-stat': 'QCryptodevBackendSymStat', > + '*asym-stat': 'QCryptodevBackendAsymStat' } } > > ## > # @query-cryptodev: > -- > 2.20.1