Account OPS/BPS for crypto device, this will be used for 'query-stats'
QEMU monitor command and QoS in the next step.
Note that a crypto device may support symmetric mode, asymmetric mode,
both symmetric and asymmetric mode. So we use two structure to
describe the statistics of a crypto device.
Signed-off-by: zhenwei pi <pizhen...@bytedance.com>
---
backends/cryptodev.c | 68 +++++++++++++++++++++++++++++++++++---
include/sysemu/cryptodev.h | 31 +++++++++++++++++
qapi/cryptodev.json | 54 ++++++++++++++++++++++++++++++
3 files changed, 148 insertions(+), 5 deletions(-)
diff --git a/backends/cryptodev.c b/backends/cryptodev.c
index ba7b0bc770..cc824e9665 100644
--- a/backends/cryptodev.c
+++ b/backends/cryptodev.c
@@ -107,6 +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(
@@ -154,16 +157,61 @@ 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,
CryptoDevBackendOpInfo *op_info)
{
- QCryptodevBackendAlgType algtype = op_info->algtype;
+ 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);
@@ -202,10 +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(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 048a627035..15e8c04dcf 100644
--- a/include/sysemu/cryptodev.h
+++ b/include/sysemu/cryptodev.h
@@ -253,8 +253,39 @@ 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 f33f96a692..54d7f9cb58 100644
--- a/qapi/cryptodev.json
+++ b/qapi/cryptodev.json
@@ -87,3 +87,57 @@
# Since: 8.0
##
{ 'command': 'query-cryptodev', 'returns': ['QCryptodevInfo']}
+
+##
+# @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' } }