diff options
Diffstat (limited to 'drivers/crypto/mvsam')
| -rw-r--r-- | drivers/crypto/mvsam/Makefile | 42 | ||||
| -rw-r--r-- | drivers/crypto/mvsam/meson.build | 21 | ||||
| -rw-r--r-- | drivers/crypto/mvsam/rte_mrvl_compat.h | 23 | ||||
| -rw-r--r-- | drivers/crypto/mvsam/rte_mrvl_pmd.c | 937 | ||||
| -rw-r--r-- | drivers/crypto/mvsam/rte_mrvl_pmd_ops.c | 722 | ||||
| -rw-r--r-- | drivers/crypto/mvsam/rte_mrvl_pmd_private.h | 95 | ||||
| -rw-r--r-- | drivers/crypto/mvsam/rte_pmd_mvsam_version.map | 3 |
7 files changed, 1843 insertions, 0 deletions
diff --git a/drivers/crypto/mvsam/Makefile b/drivers/crypto/mvsam/Makefile new file mode 100644 index 00000000..c3dc72c1 --- /dev/null +++ b/drivers/crypto/mvsam/Makefile @@ -0,0 +1,42 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2017 Marvell International Ltd. +# Copyright(c) 2017 Semihalf. +# All rights reserved. + +include $(RTE_SDK)/mk/rte.vars.mk + +ifneq ($(MAKECMDGOALS),clean) +ifneq ($(MAKECMDGOALS),config) +ifeq ($(LIBMUSDK_PATH),) +$(error "Please define LIBMUSDK_PATH environment variable") +endif +endif +endif + +# library name +LIB = librte_pmd_mvsam_crypto.a + +# build flags +CFLAGS += -O3 +CFLAGS += $(WERROR_FLAGS) +CFLAGS += -I$(LIBMUSDK_PATH)/include +CFLAGS += -DMVCONF_TYPES_PUBLIC +CFLAGS += -DMVCONF_DMA_PHYS_ADDR_T_PUBLIC + +# library version +LIBABIVER := 1 + +# versioning export map +EXPORT_MAP := rte_pmd_mvsam_version.map + +# external library dependencies +LDLIBS += -L$(LIBMUSDK_PATH)/lib -lmusdk +LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool +LDLIBS += -lrte_cryptodev +LDLIBS += -lrte_bus_vdev + +# library source files +SRCS-$(CONFIG_RTE_LIBRTE_PMD_MVSAM_CRYPTO) += rte_mrvl_pmd.c +SRCS-$(CONFIG_RTE_LIBRTE_PMD_MVSAM_CRYPTO) += rte_mrvl_pmd_ops.c + +include $(RTE_SDK)/mk/rte.lib.mk diff --git a/drivers/crypto/mvsam/meson.build b/drivers/crypto/mvsam/meson.build new file mode 100644 index 00000000..3c8ea3cf --- /dev/null +++ b/drivers/crypto/mvsam/meson.build @@ -0,0 +1,21 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2018 Marvell International Ltd. +# Copyright(c) 2018 Semihalf. +# All rights reserved. + +path = get_option('lib_musdk_dir') +lib_dir = path + '/lib' +inc_dir = path + '/include' + +lib = cc.find_library('libmusdk', dirs: [lib_dir], required: false) +if not lib.found() + build = false +else + ext_deps += lib + includes += include_directories(inc_dir) + cflags += ['-DMVCONF_TYPES_PUBLIC', '-DMVCONF_DMA_PHYS_ADDR_T_PUBLIC'] +endif + +sources = files('rte_mrvl_pmd.c', 'rte_mrvl_pmd_ops.c') + +deps += ['bus_vdev'] diff --git a/drivers/crypto/mvsam/rte_mrvl_compat.h b/drivers/crypto/mvsam/rte_mrvl_compat.h new file mode 100644 index 00000000..4ab28d39 --- /dev/null +++ b/drivers/crypto/mvsam/rte_mrvl_compat.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2017 Marvell International Ltd. + * Copyright(c) 2017 Semihalf. + * All rights reserved. + */ + +#ifndef _RTE_MRVL_COMPAT_H_ +#define _RTE_MRVL_COMPAT_H_ + +/* Unluckily, container_of is defined by both DPDK and MUSDK, + * we'll declare only one version. + * + * Note that it is not used in this PMD anyway. + */ +#ifdef container_of +#undef container_of +#endif +#include "env/mv_autogen_comp_flags.h" +#include "drivers/mv_sam.h" +#include "drivers/mv_sam_cio.h" +#include "drivers/mv_sam_session.h" + +#endif /* _RTE_MRVL_COMPAT_H_ */ diff --git a/drivers/crypto/mvsam/rte_mrvl_pmd.c b/drivers/crypto/mvsam/rte_mrvl_pmd.c new file mode 100644 index 00000000..73eff757 --- /dev/null +++ b/drivers/crypto/mvsam/rte_mrvl_pmd.c @@ -0,0 +1,937 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2017 Marvell International Ltd. + * Copyright(c) 2017 Semihalf. + * All rights reserved. + */ + +#include <rte_common.h> +#include <rte_hexdump.h> +#include <rte_cryptodev.h> +#include <rte_cryptodev_pmd.h> +#include <rte_bus_vdev.h> +#include <rte_malloc.h> +#include <rte_cpuflags.h> + +#include "rte_mrvl_pmd_private.h" + +#define MRVL_MUSDK_DMA_MEMSIZE 41943040 + +#define MRVL_PMD_MAX_NB_SESS_ARG ("max_nb_sessions") +#define MRVL_PMD_DEFAULT_MAX_NB_SESSIONS 2048 + +static uint8_t cryptodev_driver_id; + +struct mrvl_pmd_init_params { + struct rte_cryptodev_pmd_init_params common; + uint32_t max_nb_sessions; +}; + +const char *mrvl_pmd_valid_params[] = { + RTE_CRYPTODEV_PMD_NAME_ARG, + RTE_CRYPTODEV_PMD_MAX_NB_QP_ARG, + RTE_CRYPTODEV_PMD_SOCKET_ID_ARG, + MRVL_PMD_MAX_NB_SESS_ARG +}; + +/** + * Flag if particular crypto algorithm is supported by PMD/MUSDK. + * + * The idea is to have Not Supported value as default (0). + * This way we need only to define proper map sizes, + * non-initialized entries will be by default not supported. + */ +enum algo_supported { + ALGO_NOT_SUPPORTED = 0, + ALGO_SUPPORTED = 1, +}; + +/** Map elements for cipher mapping.*/ +struct cipher_params_mapping { + enum algo_supported supported; /**< On/Off switch */ + enum sam_cipher_alg cipher_alg; /**< Cipher algorithm */ + enum sam_cipher_mode cipher_mode; /**< Cipher mode */ + unsigned int max_key_len; /**< Maximum key length (in bytes)*/ +} +/* We want to squeeze in multiple maps into the cache line. */ +__rte_aligned(32); + +/** Map elements for auth mapping.*/ +struct auth_params_mapping { + enum algo_supported supported; /**< On/off switch */ + enum sam_auth_alg auth_alg; /**< Auth algorithm */ +} +/* We want to squeeze in multiple maps into the cache line. */ +__rte_aligned(32); + +/** + * Map of supported cipher algorithms. + */ +static const +struct cipher_params_mapping cipher_map[RTE_CRYPTO_CIPHER_LIST_END] = { + [RTE_CRYPTO_CIPHER_3DES_CBC] = { + .supported = ALGO_SUPPORTED, + .cipher_alg = SAM_CIPHER_3DES, + .cipher_mode = SAM_CIPHER_CBC, + .max_key_len = BITS2BYTES(192) }, + [RTE_CRYPTO_CIPHER_3DES_CTR] = { + .supported = ALGO_SUPPORTED, + .cipher_alg = SAM_CIPHER_3DES, + .cipher_mode = SAM_CIPHER_CTR, + .max_key_len = BITS2BYTES(192) }, + [RTE_CRYPTO_CIPHER_3DES_ECB] = { + .supported = ALGO_SUPPORTED, + .cipher_alg = SAM_CIPHER_3DES, + .cipher_mode = SAM_CIPHER_ECB, + .max_key_len = BITS2BYTES(192) }, + [RTE_CRYPTO_CIPHER_AES_CBC] = { + .supported = ALGO_SUPPORTED, + .cipher_alg = SAM_CIPHER_AES, + .cipher_mode = SAM_CIPHER_CBC, + .max_key_len = BITS2BYTES(256) }, + [RTE_CRYPTO_CIPHER_AES_CTR] = { + .supported = ALGO_SUPPORTED, + .cipher_alg = SAM_CIPHER_AES, + .cipher_mode = SAM_CIPHER_CTR, + .max_key_len = BITS2BYTES(256) }, +}; + +/** + * Map of supported auth algorithms. + */ +static const +struct auth_params_mapping auth_map[RTE_CRYPTO_AUTH_LIST_END] = { + [RTE_CRYPTO_AUTH_MD5_HMAC] = { + .supported = ALGO_SUPPORTED, + .auth_alg = SAM_AUTH_HMAC_MD5 }, + [RTE_CRYPTO_AUTH_MD5] = { + .supported = ALGO_SUPPORTED, + .auth_alg = SAM_AUTH_HASH_MD5 }, + [RTE_CRYPTO_AUTH_SHA1_HMAC] = { + .supported = ALGO_SUPPORTED, + .auth_alg = SAM_AUTH_HMAC_SHA1 }, + [RTE_CRYPTO_AUTH_SHA1] = { + .supported = ALGO_SUPPORTED, + .auth_alg = SAM_AUTH_HASH_SHA1 }, + [RTE_CRYPTO_AUTH_SHA224] = { + .supported = ALGO_SUPPORTED, + .auth_alg = SAM_AUTH_HASH_SHA2_224 }, + [RTE_CRYPTO_AUTH_SHA256_HMAC] = { + .supported = ALGO_SUPPORTED, + .auth_alg = SAM_AUTH_HMAC_SHA2_256 }, + [RTE_CRYPTO_AUTH_SHA256] = { + .supported = ALGO_SUPPORTED, + .auth_alg = SAM_AUTH_HASH_SHA2_256 }, + [RTE_CRYPTO_AUTH_SHA384_HMAC] = { + .supported = ALGO_SUPPORTED, + .auth_alg = SAM_AUTH_HMAC_SHA2_384 }, + [RTE_CRYPTO_AUTH_SHA384] = { + .supported = ALGO_SUPPORTED, + .auth_alg = SAM_AUTH_HASH_SHA2_384 }, + [RTE_CRYPTO_AUTH_SHA512_HMAC] = { + .supported = ALGO_SUPPORTED, + .auth_alg = SAM_AUTH_HMAC_SHA2_512 }, + [RTE_CRYPTO_AUTH_SHA512] = { + .supported = ALGO_SUPPORTED, + .auth_alg = SAM_AUTH_HASH_SHA2_512 }, + [RTE_CRYPTO_AUTH_AES_GMAC] = { + .supported = ALGO_SUPPORTED, + .auth_alg = SAM_AUTH_AES_GMAC }, +}; + +/** + * Map of supported aead algorithms. + */ +static const +struct cipher_params_mapping aead_map[RTE_CRYPTO_AEAD_LIST_END] = { + [RTE_CRYPTO_AEAD_AES_GCM] = { + .supported = ALGO_SUPPORTED, + .cipher_alg = SAM_CIPHER_AES, + .cipher_mode = SAM_CIPHER_GCM, + .max_key_len = BITS2BYTES(256) }, +}; + +/* + *----------------------------------------------------------------------------- + * Forward declarations. + *----------------------------------------------------------------------------- + */ +static int cryptodev_mrvl_crypto_uninit(struct rte_vdev_device *vdev); + +/* + *----------------------------------------------------------------------------- + * Session Preparation. + *----------------------------------------------------------------------------- + */ + +/** + * Get xform chain order. + * + * @param xform Pointer to configuration structure chain for crypto operations. + * @returns Order of crypto operations. + */ +static enum mrvl_crypto_chain_order +mrvl_crypto_get_chain_order(const struct rte_crypto_sym_xform *xform) +{ + /* Currently, Marvell supports max 2 operations in chain */ + if (xform->next != NULL && xform->next->next != NULL) + return MRVL_CRYPTO_CHAIN_NOT_SUPPORTED; + + if (xform->next != NULL) { + if ((xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) && + (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)) + return MRVL_CRYPTO_CHAIN_AUTH_CIPHER; + + if ((xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) && + (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)) + return MRVL_CRYPTO_CHAIN_CIPHER_AUTH; + } else { + if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) + return MRVL_CRYPTO_CHAIN_AUTH_ONLY; + + if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) + return MRVL_CRYPTO_CHAIN_CIPHER_ONLY; + + if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) + return MRVL_CRYPTO_CHAIN_COMBINED; + } + return MRVL_CRYPTO_CHAIN_NOT_SUPPORTED; +} + +/** + * Set session parameters for cipher part. + * + * @param sess Crypto session pointer. + * @param cipher_xform Pointer to configuration structure for cipher operations. + * @returns 0 in case of success, negative value otherwise. + */ +static int +mrvl_crypto_set_cipher_session_parameters(struct mrvl_crypto_session *sess, + const struct rte_crypto_sym_xform *cipher_xform) +{ + /* Make sure we've got proper struct */ + if (cipher_xform->type != RTE_CRYPTO_SYM_XFORM_CIPHER) { + MRVL_CRYPTO_LOG_ERR("Wrong xform struct provided!"); + return -EINVAL; + } + + /* See if map data is present and valid */ + if ((cipher_xform->cipher.algo > RTE_DIM(cipher_map)) || + (cipher_map[cipher_xform->cipher.algo].supported + != ALGO_SUPPORTED)) { + MRVL_CRYPTO_LOG_ERR("Cipher algorithm not supported!"); + return -EINVAL; + } + + sess->cipher_iv_offset = cipher_xform->cipher.iv.offset; + + sess->sam_sess_params.dir = + (cipher_xform->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) ? + SAM_DIR_ENCRYPT : SAM_DIR_DECRYPT; + sess->sam_sess_params.cipher_alg = + cipher_map[cipher_xform->cipher.algo].cipher_alg; + sess->sam_sess_params.cipher_mode = + cipher_map[cipher_xform->cipher.algo].cipher_mode; + + /* Assume IV will be passed together with data. */ + sess->sam_sess_params.cipher_iv = NULL; + + /* Get max key length. */ + if (cipher_xform->cipher.key.length > + cipher_map[cipher_xform->cipher.algo].max_key_len) { + MRVL_CRYPTO_LOG_ERR("Wrong key length!"); + return -EINVAL; + } + + sess->sam_sess_params.cipher_key_len = cipher_xform->cipher.key.length; + sess->sam_sess_params.cipher_key = cipher_xform->cipher.key.data; + + return 0; +} + +/** + * Set session parameters for authentication part. + * + * @param sess Crypto session pointer. + * @param auth_xform Pointer to configuration structure for auth operations. + * @returns 0 in case of success, negative value otherwise. + */ +static int +mrvl_crypto_set_auth_session_parameters(struct mrvl_crypto_session *sess, + const struct rte_crypto_sym_xform *auth_xform) +{ + /* Make sure we've got proper struct */ + if (auth_xform->type != RTE_CRYPTO_SYM_XFORM_AUTH) { + MRVL_CRYPTO_LOG_ERR("Wrong xform struct provided!"); + return -EINVAL; + } + + /* See if map data is present and valid */ + if ((auth_xform->auth.algo > RTE_DIM(auth_map)) || + (auth_map[auth_xform->auth.algo].supported != ALGO_SUPPORTED)) { + MRVL_CRYPTO_LOG_ERR("Auth algorithm not supported!"); + return -EINVAL; + } + + sess->sam_sess_params.dir = + (auth_xform->auth.op == RTE_CRYPTO_AUTH_OP_GENERATE) ? + SAM_DIR_ENCRYPT : SAM_DIR_DECRYPT; + sess->sam_sess_params.auth_alg = + auth_map[auth_xform->auth.algo].auth_alg; + sess->sam_sess_params.u.basic.auth_icv_len = + auth_xform->auth.digest_length; + /* auth_key must be NULL if auth algorithm does not use HMAC */ + sess->sam_sess_params.auth_key = auth_xform->auth.key.length ? + auth_xform->auth.key.data : NULL; + sess->sam_sess_params.auth_key_len = auth_xform->auth.key.length; + + return 0; +} + +/** + * Set session parameters for aead part. + * + * @param sess Crypto session pointer. + * @param aead_xform Pointer to configuration structure for aead operations. + * @returns 0 in case of success, negative value otherwise. + */ +static int +mrvl_crypto_set_aead_session_parameters(struct mrvl_crypto_session *sess, + const struct rte_crypto_sym_xform *aead_xform) +{ + /* Make sure we've got proper struct */ + if (aead_xform->type != RTE_CRYPTO_SYM_XFORM_AEAD) { + MRVL_CRYPTO_LOG_ERR("Wrong xform struct provided!"); + return -EINVAL; + } + + /* See if map data is present and valid */ + if ((aead_xform->aead.algo > RTE_DIM(aead_map)) || + (aead_map[aead_xform->aead.algo].supported + != ALGO_SUPPORTED)) { + MRVL_CRYPTO_LOG_ERR("AEAD algorithm not supported!"); + return -EINVAL; + } + + sess->sam_sess_params.dir = + (aead_xform->aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT) ? + SAM_DIR_ENCRYPT : SAM_DIR_DECRYPT; + sess->sam_sess_params.cipher_alg = + aead_map[aead_xform->aead.algo].cipher_alg; + sess->sam_sess_params.cipher_mode = + aead_map[aead_xform->aead.algo].cipher_mode; + + /* Assume IV will be passed together with data. */ + sess->sam_sess_params.cipher_iv = NULL; + + /* Get max key length. */ + if (aead_xform->aead.key.length > + aead_map[aead_xform->aead.algo].max_key_len) { + MRVL_CRYPTO_LOG_ERR("Wrong key length!"); + return -EINVAL; + } + + sess->sam_sess_params.cipher_key = aead_xform->aead.key.data; + sess->sam_sess_params.cipher_key_len = aead_xform->aead.key.length; + + if (sess->sam_sess_params.cipher_mode == SAM_CIPHER_GCM) + sess->sam_sess_params.auth_alg = SAM_AUTH_AES_GCM; + + sess->sam_sess_params.u.basic.auth_icv_len = + aead_xform->aead.digest_length; + + sess->sam_sess_params.u.basic.auth_aad_len = + aead_xform->aead.aad_length; + + return 0; +} + +/** + * Parse crypto transform chain and setup session parameters. + * + * @param dev Pointer to crypto device + * @param sess Poiner to crypto session + * @param xform Pointer to configuration structure chain for crypto operations. + * @returns 0 in case of success, negative value otherwise. + */ +int +mrvl_crypto_set_session_parameters(struct mrvl_crypto_session *sess, + const struct rte_crypto_sym_xform *xform) +{ + const struct rte_crypto_sym_xform *cipher_xform = NULL; + const struct rte_crypto_sym_xform *auth_xform = NULL; + const struct rte_crypto_sym_xform *aead_xform = NULL; + + /* Filter out spurious/broken requests */ + if (xform == NULL) + return -EINVAL; + + sess->chain_order = mrvl_crypto_get_chain_order(xform); + switch (sess->chain_order) { + case MRVL_CRYPTO_CHAIN_CIPHER_AUTH: + cipher_xform = xform; + auth_xform = xform->next; + break; + case MRVL_CRYPTO_CHAIN_AUTH_CIPHER: + auth_xform = xform; + cipher_xform = xform->next; + break; + case MRVL_CRYPTO_CHAIN_CIPHER_ONLY: + cipher_xform = xform; + break; + case MRVL_CRYPTO_CHAIN_AUTH_ONLY: + auth_xform = xform; + break; + case MRVL_CRYPTO_CHAIN_COMBINED: + aead_xform = xform; + break; + default: + return -EINVAL; + } + + if ((cipher_xform != NULL) && + (mrvl_crypto_set_cipher_session_parameters( + sess, cipher_xform) < 0)) { + MRVL_CRYPTO_LOG_ERR("Invalid/unsupported cipher parameters"); + return -EINVAL; + } + + if ((auth_xform != NULL) && + (mrvl_crypto_set_auth_session_parameters( + sess, auth_xform) < 0)) { + MRVL_CRYPTO_LOG_ERR("Invalid/unsupported auth parameters"); + return -EINVAL; + } + + if ((aead_xform != NULL) && + (mrvl_crypto_set_aead_session_parameters( + sess, aead_xform) < 0)) { + MRVL_CRYPTO_LOG_ERR("Invalid/unsupported aead parameters"); + return -EINVAL; + } + + return 0; +} + +/* + *----------------------------------------------------------------------------- + * Process Operations + *----------------------------------------------------------------------------- + */ + +/** + * Prepare a single request. + * + * This function basically translates DPDK crypto request into one + * understandable by MUDSK's SAM. If this is a first request in a session, + * it starts the session. + * + * @param request Pointer to pre-allocated && reset request buffer [Out]. + * @param src_bd Pointer to pre-allocated source descriptor [Out]. + * @param dst_bd Pointer to pre-allocated destination descriptor [Out]. + * @param op Pointer to DPDK crypto operation struct [In]. + */ +static inline int +mrvl_request_prepare(struct sam_cio_op_params *request, + struct sam_buf_info *src_bd, + struct sam_buf_info *dst_bd, + struct rte_crypto_op *op) +{ + struct mrvl_crypto_session *sess; + struct rte_mbuf *dst_mbuf; + uint8_t *digest; + + if (unlikely(op->sess_type == RTE_CRYPTO_OP_SESSIONLESS)) { + MRVL_CRYPTO_LOG_ERR("MRVL CRYPTO PMD only supports session " + "oriented requests, op (%p) is sessionless.", + op); + return -EINVAL; + } + + sess = (struct mrvl_crypto_session *)get_sym_session_private_data( + op->sym->session, cryptodev_driver_id); + if (unlikely(sess == NULL)) { + MRVL_CRYPTO_LOG_ERR("Session was not created for this device"); + return -EINVAL; + } + + /* + * If application delivered us null dst buffer, it means it expects + * us to deliver the result in src buffer. + */ + dst_mbuf = op->sym->m_dst ? op->sym->m_dst : op->sym->m_src; + + request->sa = sess->sam_sess; + request->cookie = op; + + /* Single buffers only, sorry. */ + request->num_bufs = 1; + request->src = src_bd; + src_bd->vaddr = rte_pktmbuf_mtod(op->sym->m_src, void *); + src_bd->paddr = rte_pktmbuf_iova(op->sym->m_src); + src_bd->len = rte_pktmbuf_data_len(op->sym->m_src); + + /* Empty source. */ + if (rte_pktmbuf_data_len(op->sym->m_src) == 0) { + /* EIP does not support 0 length buffers. */ + MRVL_CRYPTO_LOG_ERR("Buffer length == 0 not supported!"); + return -1; + } + + /* Empty destination. */ + if (rte_pktmbuf_data_len(dst_mbuf) == 0) { + /* Make dst buffer fit at least source data. */ + if (rte_pktmbuf_append(dst_mbuf, + rte_pktmbuf_data_len(op->sym->m_src)) == NULL) { + MRVL_CRYPTO_LOG_ERR("Unable to set big enough dst buffer!"); + return -1; + } + } + + request->dst = dst_bd; + dst_bd->vaddr = rte_pktmbuf_mtod(dst_mbuf, void *); + dst_bd->paddr = rte_pktmbuf_iova(dst_mbuf); + + /* + * We can use all available space in dst_mbuf, + * not only what's used currently. + */ + dst_bd->len = dst_mbuf->buf_len - rte_pktmbuf_headroom(dst_mbuf); + + if (sess->chain_order == MRVL_CRYPTO_CHAIN_COMBINED) { + request->cipher_len = op->sym->aead.data.length; + request->cipher_offset = op->sym->aead.data.offset; + request->cipher_iv = rte_crypto_op_ctod_offset(op, uint8_t *, + sess->cipher_iv_offset); + + request->auth_aad = op->sym->aead.aad.data; + request->auth_offset = request->cipher_offset; + request->auth_len = request->cipher_len; + } else { + request->cipher_len = op->sym->cipher.data.length; + request->cipher_offset = op->sym->cipher.data.offset; + request->cipher_iv = rte_crypto_op_ctod_offset(op, uint8_t *, + sess->cipher_iv_offset); + + request->auth_offset = op->sym->auth.data.offset; + request->auth_len = op->sym->auth.data.length; + } + + digest = sess->chain_order == MRVL_CRYPTO_CHAIN_COMBINED ? + op->sym->aead.digest.data : op->sym->auth.digest.data; + if (digest == NULL) { + /* No auth - no worry. */ + return 0; + } + + request->auth_icv_offset = request->auth_offset + request->auth_len; + + /* + * EIP supports only scenarios where ICV(digest buffer) is placed at + * auth_icv_offset. Any other placement means risking errors. + */ + if (sess->sam_sess_params.dir == SAM_DIR_ENCRYPT) { + /* + * This should be the most common case anyway, + * EIP will overwrite DST buffer at auth_icv_offset. + */ + if (rte_pktmbuf_mtod_offset( + dst_mbuf, uint8_t *, + request->auth_icv_offset) == digest) { + return 0; + } + } else {/* sess->sam_sess_params.dir == SAM_DIR_DECRYPT */ + /* + * EIP will look for digest at auth_icv_offset + * offset in SRC buffer. + */ + if (rte_pktmbuf_mtod_offset( + op->sym->m_src, uint8_t *, + request->auth_icv_offset) == digest) { + return 0; + } + } + + /* + * If we landed here it means that digest pointer is + * at different than expected place. + */ + return -1; +} + +/* + *----------------------------------------------------------------------------- + * PMD Framework handlers + *----------------------------------------------------------------------------- + */ + +/** + * Enqueue burst. + * + * @param queue_pair Pointer to queue pair. + * @param ops Pointer to ops requests array. + * @param nb_ops Number of elements in ops requests array. + * @returns Number of elements consumed from ops. + */ +static uint16_t +mrvl_crypto_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops, + uint16_t nb_ops) +{ + uint16_t iter_ops = 0; + uint16_t to_enq = 0; + uint16_t consumed = 0; + int ret; + struct sam_cio_op_params requests[nb_ops]; + /* + * DPDK uses single fragment buffers, so we can KISS descriptors. + * SAM does not store bd pointers, so on-stack scope will be enough. + */ + struct sam_buf_info src_bd[nb_ops]; + struct sam_buf_info dst_bd[nb_ops]; + struct mrvl_crypto_qp *qp = (struct mrvl_crypto_qp *)queue_pair; + + if (nb_ops == 0) + return 0; + + /* Prepare the burst. */ + memset(&requests, 0, sizeof(requests)); + + /* Iterate through */ + for (; iter_ops < nb_ops; ++iter_ops) { + if (mrvl_request_prepare(&requests[iter_ops], + &src_bd[iter_ops], + &dst_bd[iter_ops], + ops[iter_ops]) < 0) { + MRVL_CRYPTO_LOG_ERR( + "Error while parameters preparation!"); + qp->stats.enqueue_err_count++; + ops[iter_ops]->status = RTE_CRYPTO_OP_STATUS_ERROR; + + /* + * Number of handled ops is increased + * (even if the result of handling is error). + */ + ++consumed; + break; + } + + ops[iter_ops]->status = + RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; + + /* Increase the number of ops to enqueue. */ + ++to_enq; + } /* for (; iter_ops < nb_ops;... */ + + if (to_enq > 0) { + /* Send the burst */ + ret = sam_cio_enq(qp->cio, requests, &to_enq); + consumed += to_enq; + if (ret < 0) { + /* + * Trust SAM that in this case returned value will be at + * some point correct (now it is returned unmodified). + */ + qp->stats.enqueue_err_count += to_enq; + for (iter_ops = 0; iter_ops < to_enq; ++iter_ops) + ops[iter_ops]->status = + RTE_CRYPTO_OP_STATUS_ERROR; + } + } + + qp->stats.enqueued_count += to_enq; + return consumed; +} + +/** + * Dequeue burst. + * + * @param queue_pair Pointer to queue pair. + * @param ops Pointer to ops requests array. + * @param nb_ops Number of elements in ops requests array. + * @returns Number of elements dequeued. + */ +static uint16_t +mrvl_crypto_pmd_dequeue_burst(void *queue_pair, + struct rte_crypto_op **ops, + uint16_t nb_ops) +{ + int ret; + struct mrvl_crypto_qp *qp = queue_pair; + struct sam_cio *cio = qp->cio; + struct sam_cio_op_result results[nb_ops]; + uint16_t i; + + ret = sam_cio_deq(cio, results, &nb_ops); + if (ret < 0) { + /* Count all dequeued as error. */ + qp->stats.dequeue_err_count += nb_ops; + + /* But act as they were dequeued anyway*/ + qp->stats.dequeued_count += nb_ops; + + return 0; + } + + /* Unpack and check results. */ + for (i = 0; i < nb_ops; ++i) { + ops[i] = results[i].cookie; + + switch (results[i].status) { + case SAM_CIO_OK: + ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS; + break; + case SAM_CIO_ERR_ICV: + MRVL_CRYPTO_LOG_DBG("CIO returned SAM_CIO_ERR_ICV."); + ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED; + break; + default: + MRVL_CRYPTO_LOG_DBG( + "CIO returned Error: %d", results[i].status); + ops[i]->status = RTE_CRYPTO_OP_STATUS_ERROR; + break; + } + } + + qp->stats.dequeued_count += nb_ops; + return nb_ops; +} + +/** + * Create a new crypto device. + * + * @param name Driver name. + * @param vdev Pointer to device structure. + * @param init_params Pointer to initialization parameters. + * @returns 0 in case of success, negative value otherwise. + */ +static int +cryptodev_mrvl_crypto_create(const char *name, + struct rte_vdev_device *vdev, + struct mrvl_pmd_init_params *init_params) +{ + struct rte_cryptodev *dev; + struct mrvl_crypto_private *internals; + struct sam_init_params sam_params; + int ret; + + dev = rte_cryptodev_pmd_create(name, &vdev->device, + &init_params->common); + if (dev == NULL) { + MRVL_CRYPTO_LOG_ERR("failed to create cryptodev vdev"); + goto init_error; + } + + dev->driver_id = cryptodev_driver_id; + dev->dev_ops = rte_mrvl_crypto_pmd_ops; + + /* Register rx/tx burst functions for data path. */ + dev->enqueue_burst = mrvl_crypto_pmd_enqueue_burst; + dev->dequeue_burst = mrvl_crypto_pmd_dequeue_burst; + + dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO | + RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING | + RTE_CRYPTODEV_FF_HW_ACCELERATED; + + /* Set vector instructions mode supported */ + internals = dev->data->dev_private; + + internals->max_nb_qpairs = init_params->common.max_nb_queue_pairs; + internals->max_nb_sessions = init_params->max_nb_sessions; + + /* + * ret == -EEXIST is correct, it means DMA + * has been already initialized. + */ + ret = mv_sys_dma_mem_init(MRVL_MUSDK_DMA_MEMSIZE); + if (ret < 0) { + if (ret != -EEXIST) + return ret; + + MRVL_CRYPTO_LOG_INFO( + "DMA memory has been already initialized by a different driver."); + } + + sam_params.max_num_sessions = internals->max_nb_sessions; + + return sam_init(&sam_params); + +init_error: + MRVL_CRYPTO_LOG_ERR( + "driver %s: %s failed", init_params->common.name, __func__); + + cryptodev_mrvl_crypto_uninit(vdev); + return -EFAULT; +} + +/** Parse integer from integer argument */ +static int +parse_integer_arg(const char *key __rte_unused, + const char *value, void *extra_args) +{ + int *i = (int *) extra_args; + + *i = atoi(value); + if (*i < 0) { + MRVL_CRYPTO_LOG_ERR("Argument has to be positive.\n"); + return -EINVAL; + } + + return 0; +} + +/** Parse name */ +static int +parse_name_arg(const char *key __rte_unused, + const char *value, void *extra_args) +{ + struct rte_cryptodev_pmd_init_params *params = extra_args; + + if (strlen(value) >= RTE_CRYPTODEV_NAME_MAX_LEN - 1) { + MRVL_CRYPTO_LOG_ERR("Invalid name %s, should be less than " + "%u bytes.\n", value, + RTE_CRYPTODEV_NAME_MAX_LEN - 1); + return -EINVAL; + } + + strncpy(params->name, value, RTE_CRYPTODEV_NAME_MAX_LEN); + + return 0; +} + +static int +mrvl_pmd_parse_input_args(struct mrvl_pmd_init_params *params, + const char *input_args) +{ + struct rte_kvargs *kvlist = NULL; + int ret = 0; + + if (params == NULL) + return -EINVAL; + + if (input_args) { + kvlist = rte_kvargs_parse(input_args, + mrvl_pmd_valid_params); + if (kvlist == NULL) + return -1; + + /* Common VDEV parameters */ + ret = rte_kvargs_process(kvlist, + RTE_CRYPTODEV_PMD_MAX_NB_QP_ARG, + &parse_integer_arg, + ¶ms->common.max_nb_queue_pairs); + if (ret < 0) + goto free_kvlist; + + ret = rte_kvargs_process(kvlist, + RTE_CRYPTODEV_PMD_SOCKET_ID_ARG, + &parse_integer_arg, + ¶ms->common.socket_id); + if (ret < 0) + goto free_kvlist; + + ret = rte_kvargs_process(kvlist, + RTE_CRYPTODEV_PMD_NAME_ARG, + &parse_name_arg, + ¶ms->common); + if (ret < 0) + goto free_kvlist; + + ret = rte_kvargs_process(kvlist, + MRVL_PMD_MAX_NB_SESS_ARG, + &parse_integer_arg, + params); + if (ret < 0) + goto free_kvlist; + + } + +free_kvlist: + rte_kvargs_free(kvlist); + return ret; +} + +/** + * Initialize the crypto device. + * + * @param vdev Pointer to device structure. + * @returns 0 in case of success, negative value otherwise. + */ +static int +cryptodev_mrvl_crypto_init(struct rte_vdev_device *vdev) +{ + struct mrvl_pmd_init_params init_params = { + .common = { + .name = "", + .private_data_size = + sizeof(struct mrvl_crypto_private), + .max_nb_queue_pairs = + sam_get_num_inst() * SAM_HW_RING_NUM, + .socket_id = rte_socket_id() + }, + .max_nb_sessions = MRVL_PMD_DEFAULT_MAX_NB_SESSIONS + }; + + const char *name, *args; + int ret; + + name = rte_vdev_device_name(vdev); + if (name == NULL) + return -EINVAL; + args = rte_vdev_device_args(vdev); + + ret = mrvl_pmd_parse_input_args(&init_params, args); + if (ret) { + RTE_LOG(ERR, PMD, + "Failed to parse initialisation arguments[%s]\n", + args); + return -EINVAL; + } + + return cryptodev_mrvl_crypto_create(name, vdev, &init_params); +} + +/** + * Uninitialize the crypto device + * + * @param vdev Pointer to device structure. + * @returns 0 in case of success, negative value otherwise. + */ +static int +cryptodev_mrvl_crypto_uninit(struct rte_vdev_device *vdev) +{ + struct rte_cryptodev *cryptodev; + const char *name = rte_vdev_device_name(vdev); + + if (name == NULL) + return -EINVAL; + + RTE_LOG(INFO, PMD, + "Closing Marvell crypto device %s on numa socket %u\n", + name, rte_socket_id()); + + sam_deinit(); + + cryptodev = rte_cryptodev_pmd_get_named_dev(name); + if (cryptodev == NULL) + return -ENODEV; + + return rte_cryptodev_pmd_destroy(cryptodev); +} + +/** + * Basic driver handlers for use in the constructor. + */ +static struct rte_vdev_driver cryptodev_mrvl_pmd_drv = { + .probe = cryptodev_mrvl_crypto_init, + .remove = cryptodev_mrvl_crypto_uninit +}; + +static struct cryptodev_driver mrvl_crypto_drv; + +/* Register the driver in constructor. */ +RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_MRVL_PMD, cryptodev_mrvl_pmd_drv); +RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_MRVL_PMD, + "max_nb_queue_pairs=<int> " + "max_nb_sessions=<int> " + "socket_id=<int>"); +RTE_PMD_REGISTER_CRYPTO_DRIVER(mrvl_crypto_drv, cryptodev_mrvl_pmd_drv.driver, + cryptodev_driver_id); 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; diff --git a/drivers/crypto/mvsam/rte_mrvl_pmd_private.h b/drivers/crypto/mvsam/rte_mrvl_pmd_private.h new file mode 100644 index 00000000..c16d95b4 --- /dev/null +++ b/drivers/crypto/mvsam/rte_mrvl_pmd_private.h @@ -0,0 +1,95 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2017 Marvell International Ltd. + * Copyright(c) 2017 Semihalf. + * All rights reserved. + */ + +#ifndef _RTE_MRVL_PMD_PRIVATE_H_ +#define _RTE_MRVL_PMD_PRIVATE_H_ + +#include "rte_mrvl_compat.h" + +#define CRYPTODEV_NAME_MRVL_PMD crypto_mvsam +/**< Marvell PMD device name */ + +#define MRVL_CRYPTO_LOG_ERR(fmt, args...) \ + RTE_LOG(ERR, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \ + RTE_STR(CRYPTODEV_NAME_MRVL_PMD), \ + __func__, __LINE__, ## args) + +#ifdef RTE_LIBRTE_PMD_MRVL_CRYPTO_DEBUG +#define MRVL_CRYPTO_LOG_INFO(fmt, args...) \ + RTE_LOG(INFO, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \ + RTE_STR(CRYPTODEV_NAME_MRVL_PMD), \ + __func__, __LINE__, ## args) + +#define MRVL_CRYPTO_LOG_DBG(fmt, args...) \ + RTE_LOG(DEBUG, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \ + RTE_STR(CRYPTODEV_NAME_MRVL_PMD), \ + __func__, __LINE__, ## args) + +#else +#define MRVL_CRYPTO_LOG_INFO(fmt, args...) +#define MRVL_CRYPTO_LOG_DBG(fmt, args...) +#endif + +/** + * Handy bits->bytes conversion macro. + */ +#define BITS2BYTES(x) ((x) >> 3) + +/** The operation order mode enumerator. */ +enum mrvl_crypto_chain_order { + MRVL_CRYPTO_CHAIN_CIPHER_ONLY, + MRVL_CRYPTO_CHAIN_AUTH_ONLY, + MRVL_CRYPTO_CHAIN_CIPHER_AUTH, + MRVL_CRYPTO_CHAIN_AUTH_CIPHER, + MRVL_CRYPTO_CHAIN_COMBINED, + MRVL_CRYPTO_CHAIN_NOT_SUPPORTED, +}; + +/** Private data structure for each crypto device. */ +struct mrvl_crypto_private { + unsigned int max_nb_qpairs; /**< Max number of queue pairs */ + unsigned int max_nb_sessions; /**< Max number of sessions */ +}; + +/** MRVL crypto queue pair structure. */ +struct mrvl_crypto_qp { + /** SAM CIO (MUSDK Queue Pair equivalent).*/ + struct sam_cio *cio; + + /** Session Mempool. */ + struct rte_mempool *sess_mp; + + /** Queue pair statistics. */ + struct rte_cryptodev_stats stats; + + /** CIO initialization parameters.*/ + struct sam_cio_params cio_params; +} __rte_cache_aligned; + +/** MRVL crypto private session structure. */ +struct mrvl_crypto_session { + /** Crypto operations chain order. */ + enum mrvl_crypto_chain_order chain_order; + + /** Session initialization parameters. */ + struct sam_session_params sam_sess_params; + + /** SAM session pointer. */ + struct sam_sa *sam_sess; + + /** Cipher IV offset. */ + uint16_t cipher_iv_offset; +} __rte_cache_aligned; + +/** Set and validate MRVL crypto session parameters */ +extern int +mrvl_crypto_set_session_parameters(struct mrvl_crypto_session *sess, + const struct rte_crypto_sym_xform *xform); + +/** device specific operations function pointer structure */ +extern struct rte_cryptodev_ops *rte_mrvl_crypto_pmd_ops; + +#endif /* _RTE_MRVL_PMD_PRIVATE_H_ */ diff --git a/drivers/crypto/mvsam/rte_pmd_mvsam_version.map b/drivers/crypto/mvsam/rte_pmd_mvsam_version.map new file mode 100644 index 00000000..a7530317 --- /dev/null +++ b/drivers/crypto/mvsam/rte_pmd_mvsam_version.map @@ -0,0 +1,3 @@ +DPDK_17.11 { + local: *; +}; |