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Diffstat (limited to 'drivers/crypto/mvsam/rte_mrvl_pmd_ops.c')
-rw-r--r--drivers/crypto/mvsam/rte_mrvl_pmd_ops.c722
1 files changed, 722 insertions, 0 deletions
diff --git a/drivers/crypto/mvsam/rte_mrvl_pmd_ops.c b/drivers/crypto/mvsam/rte_mrvl_pmd_ops.c
new file mode 100644
index 00000000..c045562c
--- /dev/null
+++ b/drivers/crypto/mvsam/rte_mrvl_pmd_ops.c
@@ -0,0 +1,722 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017 Marvell International Ltd.
+ * Copyright(c) 2017 Semihalf.
+ * All rights reserved.
+ */
+
+#include <string.h>
+
+#include <rte_common.h>
+#include <rte_malloc.h>
+#include <rte_cryptodev_pmd.h>
+
+#include "rte_mrvl_pmd_private.h"
+
+/**
+ * Capabilities list to be used in reporting to DPDK.
+ */
+static const struct rte_cryptodev_capabilities
+ mrvl_crypto_pmd_capabilities[] = {
+ { /* MD5 HMAC */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_MD5_HMAC,
+ .block_size = 64,
+ .key_size = {
+ .min = 1,
+ .max = 64,
+ .increment = 1
+ },
+ .digest_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ },
+ }, }
+ }, }
+ },
+ { /* MD5 */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_MD5,
+ .block_size = 64,
+ .key_size = {
+ .min = 0,
+ .max = 0,
+ .increment = 0
+ },
+ .digest_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ },
+ }, }
+ }, }
+ },
+ { /* SHA1 HMAC */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
+ .block_size = 64,
+ .key_size = {
+ .min = 1,
+ .max = 64,
+ .increment = 1
+ },
+ .digest_size = {
+ .min = 20,
+ .max = 20,
+ .increment = 0
+ },
+ }, }
+ }, }
+ },
+ { /* SHA1 */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_SHA1,
+ .block_size = 64,
+ .key_size = {
+ .min = 0,
+ .max = 0,
+ .increment = 0
+ },
+ .digest_size = {
+ .min = 20,
+ .max = 20,
+ .increment = 0
+ },
+ }, }
+ }, }
+ },
+ { /* SHA224 */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_SHA224,
+ .block_size = 64,
+ .key_size = {
+ .min = 0,
+ .max = 0,
+ .increment = 0
+ },
+ .digest_size = {
+ .min = 28,
+ .max = 28,
+ .increment = 0
+ },
+ }, }
+ }, }
+ },
+ { /* SHA256 HMAC */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_SHA256_HMAC,
+ .block_size = 64,
+ .key_size = {
+ .min = 1,
+ .max = 64,
+ .increment = 1
+ },
+ .digest_size = {
+ .min = 32,
+ .max = 32,
+ .increment = 0
+ },
+ }, }
+ }, }
+ },
+ { /* SHA256 */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_SHA256,
+ .block_size = 64,
+ .key_size = {
+ .min = 0,
+ .max = 0,
+ .increment = 0
+ },
+ .digest_size = {
+ .min = 32,
+ .max = 32,
+ .increment = 0
+ },
+ }, }
+ }, }
+ },
+ { /* SHA384 HMAC */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_SHA384_HMAC,
+ .block_size = 128,
+ .key_size = {
+ .min = 1,
+ .max = 128,
+ .increment = 1
+ },
+ .digest_size = {
+ .min = 48,
+ .max = 48,
+ .increment = 0
+ },
+ }, }
+ }, }
+ },
+ { /* SHA384 */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_SHA384,
+ .block_size = 128,
+ .key_size = {
+ .min = 0,
+ .max = 0,
+ .increment = 0
+ },
+ .digest_size = {
+ .min = 48,
+ .max = 48,
+ .increment = 0
+ },
+ }, }
+ }, }
+ },
+ { /* SHA512 HMAC */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_SHA512_HMAC,
+ .block_size = 128,
+ .key_size = {
+ .min = 1,
+ .max = 128,
+ .increment = 1
+ },
+ .digest_size = {
+ .min = 64,
+ .max = 64,
+ .increment = 0
+ },
+ }, }
+ }, }
+ },
+ { /* SHA512 */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_SHA512,
+ .block_size = 128,
+ .key_size = {
+ .min = 0,
+ .max = 0,
+ .increment = 0
+ },
+ .digest_size = {
+ .min = 64,
+ .max = 64,
+ .increment = 0
+ },
+ }, }
+ }, }
+ },
+ { /* AES CBC */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
+ {.cipher = {
+ .algo = RTE_CRYPTO_CIPHER_AES_CBC,
+ .block_size = 16,
+ .key_size = {
+ .min = 16,
+ .max = 32,
+ .increment = 8
+ },
+ .iv_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ }
+ }, }
+ }, }
+ },
+ { /* AES CTR */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
+ {.cipher = {
+ .algo = RTE_CRYPTO_CIPHER_AES_CTR,
+ .block_size = 16,
+ .key_size = {
+ .min = 16,
+ .max = 32,
+ .increment = 8
+ },
+ .iv_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ }
+ }, }
+ }, }
+ },
+ { /* AES GCM */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AEAD,
+ {.aead = {
+ .algo = RTE_CRYPTO_AEAD_AES_GCM,
+ .block_size = 16,
+ .key_size = {
+ .min = 16,
+ .max = 32,
+ .increment = 8
+ },
+ .digest_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ },
+ .aad_size = {
+ .min = 8,
+ .max = 12,
+ .increment = 4
+ },
+ .iv_size = {
+ .min = 12,
+ .max = 16,
+ .increment = 4
+ }
+ }, }
+ }, }
+ },
+ { /* AES GMAC (AUTH) */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_AES_GMAC,
+ .block_size = 16,
+ .key_size = {
+ .min = 16,
+ .max = 32,
+ .increment = 8
+ },
+ .digest_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ },
+ .iv_size = {
+ .min = 8,
+ .max = 65532,
+ .increment = 4
+ }
+ }, }
+ }, }
+ },
+ { /* 3DES CBC */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
+ {.cipher = {
+ .algo = RTE_CRYPTO_CIPHER_3DES_CBC,
+ .block_size = 8,
+ .key_size = {
+ .min = 24,
+ .max = 24,
+ .increment = 0
+ },
+ .iv_size = {
+ .min = 8,
+ .max = 8,
+ .increment = 0
+ }
+ }, }
+ }, }
+ },
+ { /* 3DES CTR */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
+ {.cipher = {
+ .algo = RTE_CRYPTO_CIPHER_3DES_CTR,
+ .block_size = 8,
+ .key_size = {
+ .min = 24,
+ .max = 24,
+ .increment = 0
+ },
+ .iv_size = {
+ .min = 8,
+ .max = 8,
+ .increment = 0
+ }
+ }, }
+ }, }
+ },
+
+ RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
+};
+
+
+/**
+ * Configure device (PMD ops callback).
+ *
+ * @param dev Pointer to the device structure.
+ * @param config Pointer to configuration structure.
+ * @returns 0. Always.
+ */
+static int
+mrvl_crypto_pmd_config(__rte_unused struct rte_cryptodev *dev,
+ __rte_unused struct rte_cryptodev_config *config)
+{
+ return 0;
+}
+
+/**
+ * Start device (PMD ops callback).
+ *
+ * @param dev Pointer to the device structure.
+ * @returns 0. Always.
+ */
+static int
+mrvl_crypto_pmd_start(__rte_unused struct rte_cryptodev *dev)
+{
+ return 0;
+}
+
+/**
+ * Stop device (PMD ops callback).
+ *
+ * @param dev Pointer to the device structure.
+ * @returns 0. Always.
+ */
+static void
+mrvl_crypto_pmd_stop(__rte_unused struct rte_cryptodev *dev)
+{
+}
+
+/**
+ * Get device statistics (PMD ops callback).
+ *
+ * @param dev Pointer to the device structure.
+ * @param stats Pointer to statistics structure [out].
+ */
+static void
+mrvl_crypto_pmd_stats_get(struct rte_cryptodev *dev,
+ struct rte_cryptodev_stats *stats)
+{
+ int qp_id;
+
+ for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
+ struct mrvl_crypto_qp *qp = dev->data->queue_pairs[qp_id];
+
+ stats->enqueued_count += qp->stats.enqueued_count;
+ stats->dequeued_count += qp->stats.dequeued_count;
+
+ stats->enqueue_err_count += qp->stats.enqueue_err_count;
+ stats->dequeue_err_count += qp->stats.dequeue_err_count;
+ }
+}
+
+/**
+ * Reset device statistics (PMD ops callback).
+ *
+ * @param dev Pointer to the device structure.
+ */
+static void
+mrvl_crypto_pmd_stats_reset(struct rte_cryptodev *dev)
+{
+ int qp_id;
+
+ for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
+ struct mrvl_crypto_qp *qp = dev->data->queue_pairs[qp_id];
+
+ memset(&qp->stats, 0, sizeof(qp->stats));
+ }
+}
+
+/**
+ * Get device info (PMD ops callback).
+ *
+ * @param dev Pointer to the device structure.
+ * @param dev_info Pointer to the device info structure [out].
+ */
+static void
+mrvl_crypto_pmd_info_get(struct rte_cryptodev *dev,
+ struct rte_cryptodev_info *dev_info)
+{
+ struct mrvl_crypto_private *internals = dev->data->dev_private;
+
+ if (dev_info != NULL) {
+ dev_info->driver_id = dev->driver_id;
+ dev_info->feature_flags = dev->feature_flags;
+ dev_info->capabilities = mrvl_crypto_pmd_capabilities;
+ dev_info->max_nb_queue_pairs = internals->max_nb_qpairs;
+ dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
+ }
+}
+
+/**
+ * Release queue pair (PMD ops callback).
+ *
+ * @param dev Pointer to the device structure.
+ * @param qp_id ID of Queue Pair to release.
+ * @returns 0. Always.
+ */
+static int
+mrvl_crypto_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
+{
+ struct mrvl_crypto_qp *qp =
+ (struct mrvl_crypto_qp *)dev->data->queue_pairs[qp_id];
+
+ if (dev->data->queue_pairs[qp_id] != NULL) {
+ sam_cio_flush(qp->cio);
+ sam_cio_deinit(qp->cio);
+ rte_free(dev->data->queue_pairs[qp_id]);
+ dev->data->queue_pairs[qp_id] = NULL;
+ }
+
+ return 0;
+}
+
+/**
+ * Close device (PMD ops callback).
+ *
+ * @param dev Pointer to the device structure.
+ * @returns 0. Always.
+ */
+static int
+mrvl_crypto_pmd_close(struct rte_cryptodev *dev)
+{
+ int qp_id;
+
+ for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++)
+ mrvl_crypto_pmd_qp_release(dev, qp_id);
+
+ return 0;
+}
+
+/**
+ * Setup a queue pair (PMD ops callback).
+ *
+ * @param dev Pointer to the device structure.
+ * @param qp_id ID of the Queue Pair.
+ * @param qp_conf Queue pair configuration (nb of descriptors).
+ * @param socket_id NUMA socket to allocate memory on.
+ * @returns 0 upon success, negative value otherwise.
+ */
+static int
+mrvl_crypto_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
+ const struct rte_cryptodev_qp_conf *qp_conf,
+ int socket_id, struct rte_mempool *session_pool)
+{
+ struct mrvl_crypto_qp *qp = NULL;
+ char match[RTE_CRYPTODEV_NAME_MAX_LEN];
+ unsigned int n;
+
+ /* Allocate the queue pair data structure. */
+ qp = rte_zmalloc_socket("MRVL Crypto PMD Queue Pair", sizeof(*qp),
+ RTE_CACHE_LINE_SIZE, socket_id);
+ if (qp == NULL)
+ return -ENOMEM;
+
+ /* Free old qp prior setup if needed. */
+ if (dev->data->queue_pairs[qp_id] != NULL)
+ mrvl_crypto_pmd_qp_release(dev, qp_id);
+
+ do { /* Error handling block */
+
+ /*
+ * This extra check is necessary due to a bug in
+ * crypto library.
+ */
+ int num = sam_get_num_inst();
+ if (num == 0) {
+ MRVL_CRYPTO_LOG_ERR("No crypto engines detected.\n");
+ return -1;
+ }
+
+ /*
+ * In case two crypto engines are enabled qps will
+ * be evenly spread among them. Even and odd qps will
+ * be handled by cio-0 and cio-1 respectively. qp-cio mapping
+ * will look as follows:
+ *
+ * qp: 0 1 2 3
+ * cio-x:y: cio-0:0, cio-1:0, cio-0:1, cio-1:1
+ *
+ * qp: 4 5 6 7
+ * cio-x:y: cio-0:2, cio-1:2, cio-0:3, cio-1:3
+ *
+ * In case just one engine is enabled mapping will look as
+ * follows:
+ * qp: 0 1 2 3
+ * cio-x:y: cio-0:0, cio-0:1, cio-0:2, cio-0:3
+ */
+ n = snprintf(match, sizeof(match), "cio-%u:%u",
+ qp_id % num, qp_id / num);
+
+ if (n >= sizeof(match))
+ break;
+
+ qp->cio_params.match = match;
+ qp->cio_params.size = qp_conf->nb_descriptors;
+
+ if (sam_cio_init(&qp->cio_params, &qp->cio) < 0)
+ break;
+
+ qp->sess_mp = session_pool;
+
+ memset(&qp->stats, 0, sizeof(qp->stats));
+ dev->data->queue_pairs[qp_id] = qp;
+ return 0;
+ } while (0);
+
+ rte_free(qp);
+ return -1;
+}
+
+/** Return the number of allocated queue pairs (PMD ops callback).
+ *
+ * @param dev Pointer to the device structure.
+ * @returns Number of allocated queue pairs.
+ */
+static uint32_t
+mrvl_crypto_pmd_qp_count(struct rte_cryptodev *dev)
+{
+ return dev->data->nb_queue_pairs;
+}
+
+/** Returns the size of the session structure (PMD ops callback).
+ *
+ * @param dev Pointer to the device structure [Unused].
+ * @returns Size of Marvell crypto session.
+ */
+static unsigned
+mrvl_crypto_pmd_sym_session_get_size(__rte_unused struct rte_cryptodev *dev)
+{
+ return sizeof(struct mrvl_crypto_session);
+}
+
+/** Configure the session from a crypto xform chain (PMD ops callback).
+ *
+ * @param dev Pointer to the device structure.
+ * @param xform Pointer to the crytpo configuration structure.
+ * @param sess Pointer to the empty session structure.
+ * @returns 0 upon success, negative value otherwise.
+ */
+static int
+mrvl_crypto_pmd_sym_session_configure(__rte_unused struct rte_cryptodev *dev,
+ struct rte_crypto_sym_xform *xform,
+ struct rte_cryptodev_sym_session *sess,
+ struct rte_mempool *mp)
+{
+ struct mrvl_crypto_session *mrvl_sess;
+ void *sess_private_data;
+ int ret;
+
+ if (sess == NULL) {
+ MRVL_CRYPTO_LOG_ERR("Invalid session struct.");
+ return -EINVAL;
+ }
+
+ if (rte_mempool_get(mp, &sess_private_data)) {
+ CDEV_LOG_ERR("Couldn't get object from session mempool.");
+ return -ENOMEM;
+ }
+
+ ret = mrvl_crypto_set_session_parameters(sess_private_data, xform);
+ if (ret != 0) {
+ MRVL_CRYPTO_LOG_ERR("Failed to configure session parameters.");
+
+ /* Return session to mempool */
+ rte_mempool_put(mp, sess_private_data);
+ return ret;
+ }
+
+ set_sym_session_private_data(sess, dev->driver_id, sess_private_data);
+
+ mrvl_sess = (struct mrvl_crypto_session *)sess_private_data;
+ if (sam_session_create(&mrvl_sess->sam_sess_params,
+ &mrvl_sess->sam_sess) < 0) {
+ MRVL_CRYPTO_LOG_DBG("Failed to create session!");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+/**
+ * Clear the memory of session so it doesn't leave key material behind.
+ *
+ * @param dev Pointer to the device structure.
+ * @returns 0. Always.
+ */
+static void
+mrvl_crypto_pmd_sym_session_clear(struct rte_cryptodev *dev,
+ struct rte_cryptodev_sym_session *sess)
+{
+
+ uint8_t index = dev->driver_id;
+ void *sess_priv = get_sym_session_private_data(sess, index);
+
+ /* Zero out the whole structure */
+ if (sess_priv) {
+ struct mrvl_crypto_session *mrvl_sess =
+ (struct mrvl_crypto_session *)sess_priv;
+
+ if (mrvl_sess->sam_sess &&
+ sam_session_destroy(mrvl_sess->sam_sess) < 0) {
+ MRVL_CRYPTO_LOG_INFO("Error while destroying session!");
+ }
+
+ memset(sess, 0, sizeof(struct mrvl_crypto_session));
+ struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
+ set_sym_session_private_data(sess, index, NULL);
+ rte_mempool_put(sess_mp, sess_priv);
+ }
+}
+
+/**
+ * PMD handlers for crypto ops.
+ */
+static struct rte_cryptodev_ops mrvl_crypto_pmd_ops = {
+ .dev_configure = mrvl_crypto_pmd_config,
+ .dev_start = mrvl_crypto_pmd_start,
+ .dev_stop = mrvl_crypto_pmd_stop,
+ .dev_close = mrvl_crypto_pmd_close,
+
+ .dev_infos_get = mrvl_crypto_pmd_info_get,
+
+ .stats_get = mrvl_crypto_pmd_stats_get,
+ .stats_reset = mrvl_crypto_pmd_stats_reset,
+
+ .queue_pair_setup = mrvl_crypto_pmd_qp_setup,
+ .queue_pair_release = mrvl_crypto_pmd_qp_release,
+ .queue_pair_count = mrvl_crypto_pmd_qp_count,
+
+ .sym_session_get_size = mrvl_crypto_pmd_sym_session_get_size,
+ .sym_session_configure = mrvl_crypto_pmd_sym_session_configure,
+ .sym_session_clear = mrvl_crypto_pmd_sym_session_clear
+};
+
+struct rte_cryptodev_ops *rte_mrvl_crypto_pmd_ops = &mrvl_crypto_pmd_ops;