Imported Upstream version 17.05.2
[deb_dpdk.git] / lib / librte_cryptodev / rte_cryptodev.h
index d47f1e8..af935ab 100644 (file)
@@ -1,6 +1,6 @@
 /*-
  *
- *   Copyright(c) 2015-2016 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2015-2017 Intel Corporation. All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
  *   modification, are permitted provided that the following conditions
@@ -48,17 +48,30 @@ extern "C" {
 #include "rte_kvargs.h"
 #include "rte_crypto.h"
 #include "rte_dev.h"
+#include <rte_common.h>
 
-#define CRYPTODEV_NAME_NULL_PMD                ("cryptodev_null_pmd")
+#define CRYPTODEV_NAME_NULL_PMD                crypto_null
 /**< Null crypto PMD device name */
-#define CRYPTODEV_NAME_AESNI_MB_PMD    ("cryptodev_aesni_mb_pmd")
+#define CRYPTODEV_NAME_AESNI_MB_PMD    crypto_aesni_mb
 /**< AES-NI Multi buffer PMD device name */
-#define CRYPTODEV_NAME_AESNI_GCM_PMD   ("cryptodev_aesni_gcm_pmd")
+#define CRYPTODEV_NAME_AESNI_GCM_PMD   crypto_aesni_gcm
 /**< AES-NI GCM PMD device name */
-#define CRYPTODEV_NAME_QAT_SYM_PMD     ("cryptodev_qat_sym_pmd")
+#define CRYPTODEV_NAME_OPENSSL_PMD     crypto_openssl
+/**< Open SSL Crypto PMD device name */
+#define CRYPTODEV_NAME_QAT_SYM_PMD     crypto_qat
 /**< Intel QAT Symmetric Crypto PMD device name */
-#define CRYPTODEV_NAME_SNOW3G_PMD      ("cryptodev_snow3g_pmd")
+#define CRYPTODEV_NAME_SNOW3G_PMD      crypto_snow3g
 /**< SNOW 3G PMD device name */
+#define CRYPTODEV_NAME_KASUMI_PMD      crypto_kasumi
+/**< KASUMI PMD device name */
+#define CRYPTODEV_NAME_ZUC_PMD         crypto_zuc
+/**< KASUMI PMD device name */
+#define CRYPTODEV_NAME_ARMV8_PMD       crypto_armv8
+/**< ARMv8 Crypto PMD device name */
+#define CRYPTODEV_NAME_SCHEDULER_PMD   crypto_scheduler
+/**< Scheduler Crypto PMD device name */
+#define CRYPTODEV_NAME_DPAA2_SEC_PMD   cryptodev_dpaa2_sec_pmd
+/**< NXP DPAA2 - SEC PMD device name */
 
 /** Crypto device type */
 enum rte_cryptodev_type {
@@ -67,75 +80,76 @@ enum rte_cryptodev_type {
        RTE_CRYPTODEV_AESNI_MB_PMD,     /**< AES-NI multi buffer PMD */
        RTE_CRYPTODEV_QAT_SYM_PMD,      /**< QAT PMD Symmetric Crypto */
        RTE_CRYPTODEV_SNOW3G_PMD,       /**< SNOW 3G PMD */
+       RTE_CRYPTODEV_KASUMI_PMD,       /**< KASUMI PMD */
+       RTE_CRYPTODEV_ZUC_PMD,          /**< ZUC PMD */
+       RTE_CRYPTODEV_OPENSSL_PMD,    /**<  OpenSSL PMD */
+       RTE_CRYPTODEV_ARMV8_PMD,        /**< ARMv8 crypto PMD */
+       RTE_CRYPTODEV_SCHEDULER_PMD,    /**< Crypto Scheduler PMD */
+       RTE_CRYPTODEV_DPAA2_SEC_PMD,    /**< NXP DPAA2 - SEC PMD */
 };
 
 extern const char **rte_cyptodev_names;
 
 /* Logging Macros */
 
-#define CDEV_LOG_ERR(fmt, args...)                                     \
-               RTE_LOG(ERR, CRYPTODEV, "%s() line %u: " fmt "\n",      \
-                               __func__, __LINE__, ## args)
+#define CDEV_LOG_ERR(...) \
+       RTE_LOG(ERR, CRYPTODEV, \
+               RTE_FMT("%s() line %u: " RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
+                       __func__, __LINE__, RTE_FMT_TAIL(__VA_ARGS__,)))
 
-#define CDEV_PMD_LOG_ERR(dev, fmt, args...)                            \
-               RTE_LOG(ERR, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \
-                               dev, __func__, __LINE__, ## args)
+#define CDEV_PMD_LOG_ERR(dev, ...) \
+       RTE_LOG(ERR, CRYPTODEV, \
+               RTE_FMT("[%s] %s() line %u: " RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
+                       dev, __func__, __LINE__, RTE_FMT_TAIL(__VA_ARGS__,)))
 
 #ifdef RTE_LIBRTE_CRYPTODEV_DEBUG
-#define CDEV_LOG_DEBUG(fmt, args...)                                   \
-               RTE_LOG(DEBUG, CRYPTODEV, "%s() line %u: " fmt "\n",    \
-                               __func__, __LINE__, ## args)            \
+#define CDEV_LOG_DEBUG(...) \
+       RTE_LOG(DEBUG, CRYPTODEV, \
+               RTE_FMT("%s() line %u: " RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
+                       __func__, __LINE__, RTE_FMT_TAIL(__VA_ARGS__,)))
 
-#define CDEV_PMD_TRACE(fmt, args...)                                   \
-               RTE_LOG(DEBUG, CRYPTODEV, "[%s] %s: " fmt "\n",         \
-                               dev, __func__, ## args)
+#define CDEV_PMD_TRACE(...) \
+       RTE_LOG(DEBUG, CRYPTODEV, \
+               RTE_FMT("[%s] %s: " RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
+                       dev, __func__, RTE_FMT_TAIL(__VA_ARGS__,)))
 
 #else
-#define CDEV_LOG_DEBUG(fmt, args...)
-#define CDEV_PMD_TRACE(fmt, args...)
+#define CDEV_LOG_DEBUG(...) (void)0
+#define CDEV_PMD_TRACE(...) (void)0
 #endif
 
+/**
+ * Crypto parameters range description
+ */
+struct rte_crypto_param_range {
+       uint16_t min;   /**< minimum size */
+       uint16_t max;   /**< maximum size */
+       uint16_t increment;
+       /**< if a range of sizes are supported,
+        * this parameter is used to indicate
+        * increments in byte size that are supported
+        * between the minimum and maximum
+        */
+};
+
 /**
  * Symmetric Crypto Capability
  */
 struct rte_cryptodev_symmetric_capability {
        enum rte_crypto_sym_xform_type xform_type;
        /**< Transform type : Authentication / Cipher */
+       RTE_STD_C11
        union {
                struct {
                        enum rte_crypto_auth_algorithm algo;
                        /**< authentication algorithm */
                        uint16_t block_size;
                        /**< algorithm block size */
-                       struct {
-                               uint16_t min;   /**< minimum key size */
-                               uint16_t max;   /**< maximum key size */
-                               uint16_t increment;
-                               /**< if a range of sizes are supported,
-                                * this parameter is used to indicate
-                                * increments in byte size that are supported
-                                * between the minimum and maximum */
-                       } key_size;
+                       struct rte_crypto_param_range key_size;
                        /**< auth key size range */
-                       struct {
-                               uint16_t min;   /**< minimum digest size */
-                               uint16_t max;   /**< maximum digest size */
-                               uint16_t increment;
-                               /**< if a range of sizes are supported,
-                                * this parameter is used to indicate
-                                * increments in byte size that are supported
-                                * between the minimum and maximum */
-                       } digest_size;
+                       struct rte_crypto_param_range digest_size;
                        /**< digest size range */
-                       struct {
-                               uint16_t min;   /**< minimum aad size */
-                               uint16_t max;   /**< maximum aad size */
-                               uint16_t increment;
-                               /**< if a range of sizes are supported,
-                                * this parameter is used to indicate
-                                * increments in byte size that are supported
-                                * between the minimum and maximum */
-                       } aad_size;
+                       struct rte_crypto_param_range aad_size;
                        /**< Additional authentication data size range */
                } auth;
                /**< Symmetric Authentication transform capabilities */
@@ -144,25 +158,9 @@ struct rte_cryptodev_symmetric_capability {
                        /**< cipher algorithm */
                        uint16_t block_size;
                        /**< algorithm block size */
-                       struct {
-                               uint16_t min;   /**< minimum key size */
-                               uint16_t max;   /**< maximum key size */
-                               uint16_t increment;
-                               /**< if a range of sizes are supported,
-                                * this parameter is used to indicate
-                                * increments in byte size that are supported
-                                * between the minimum and maximum */
-                       } key_size;
+                       struct rte_crypto_param_range key_size;
                        /**< cipher key size range */
-                       struct {
-                               uint16_t min;   /**< minimum iv size */
-                               uint16_t max;   /**< maximum iv size */
-                               uint16_t increment;
-                               /**< if a range of sizes are supported,
-                                * this parameter is used to indicate
-                                * increments in byte size that are supported
-                                * between the minimum and maximum */
-                       } iv_size;
+                       struct rte_crypto_param_range iv_size;
                        /**< Initialisation vector data size range */
                } cipher;
                /**< Symmetric Cipher transform capabilities */
@@ -174,12 +172,101 @@ struct rte_cryptodev_capabilities {
        enum rte_crypto_op_type op;
        /**< Operation type */
 
+       RTE_STD_C11
        union {
                struct rte_cryptodev_symmetric_capability sym;
                /**< Symmetric operation capability parameters */
        };
 };
 
+/** Structure used to describe crypto algorithms */
+struct rte_cryptodev_sym_capability_idx {
+       enum rte_crypto_sym_xform_type type;
+       union {
+               enum rte_crypto_cipher_algorithm cipher;
+               enum rte_crypto_auth_algorithm auth;
+       } algo;
+};
+
+/**
+ *  Provide capabilities available for defined device and algorithm
+ *
+ * @param      dev_id          The identifier of the device.
+ * @param      idx             Description of crypto algorithms.
+ *
+ * @return
+ *   - Return description of the symmetric crypto capability if exist.
+ *   - Return NULL if the capability not exist.
+ */
+const struct rte_cryptodev_symmetric_capability *
+rte_cryptodev_sym_capability_get(uint8_t dev_id,
+               const struct rte_cryptodev_sym_capability_idx *idx);
+
+/**
+ * Check if key size and initial vector are supported
+ * in crypto cipher capability
+ *
+ * @param      capability      Description of the symmetric crypto capability.
+ * @param      key_size        Cipher key size.
+ * @param      iv_size         Cipher initial vector size.
+ *
+ * @return
+ *   - Return 0 if the parameters are in range of the capability.
+ *   - Return -1 if the parameters are out of range of the capability.
+ */
+int
+rte_cryptodev_sym_capability_check_cipher(
+               const struct rte_cryptodev_symmetric_capability *capability,
+               uint16_t key_size, uint16_t iv_size);
+
+/**
+ * Check if key size and initial vector are supported
+ * in crypto auth capability
+ *
+ * @param      capability      Description of the symmetric crypto capability.
+ * @param      key_size        Auth key size.
+ * @param      digest_size     Auth digest size.
+ * @param      aad_size        Auth aad size.
+ *
+ * @return
+ *   - Return 0 if the parameters are in range of the capability.
+ *   - Return -1 if the parameters are out of range of the capability.
+ */
+int
+rte_cryptodev_sym_capability_check_auth(
+               const struct rte_cryptodev_symmetric_capability *capability,
+               uint16_t key_size, uint16_t digest_size, uint16_t aad_size);
+
+/**
+ * Provide the cipher algorithm enum, given an algorithm string
+ *
+ * @param      algo_enum       A pointer to the cipher algorithm
+ *                             enum to be filled
+ * @param      algo_string     Authentication algo string
+ *
+ * @return
+ * - Return -1 if string is not valid
+ * - Return 0 is the string is valid
+ */
+int
+rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
+               const char *algo_string);
+
+/**
+ * Provide the authentication algorithm enum, given an algorithm string
+ *
+ * @param      algo_enum       A pointer to the authentication algorithm
+ *                             enum to be filled
+ * @param      algo_string     Authentication algo string
+ *
+ * @return
+ * - Return -1 if string is not valid
+ * - Return 0 is the string is valid
+ */
+int
+rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
+               const char *algo_string);
+
 /** Macro used at end of crypto PMD list */
 #define RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST() \
        { RTE_CRYPTO_OP_TYPE_UNDEFINED }
@@ -209,6 +296,14 @@ struct rte_cryptodev_capabilities {
 /**< Utilises CPU AES-NI instructions */
 #define        RTE_CRYPTODEV_FF_HW_ACCELERATED         (1ULL << 7)
 /**< Operations are off-loaded to an external hardware accelerator */
+#define        RTE_CRYPTODEV_FF_CPU_AVX512             (1ULL << 8)
+/**< Utilises CPU SIMD AVX512 instructions */
+#define        RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER    (1ULL << 9)
+/**< Scatter-gather mbufs are supported */
+#define        RTE_CRYPTODEV_FF_CPU_NEON               (1ULL << 10)
+/**< Utilises CPU NEON instructions */
+#define        RTE_CRYPTODEV_FF_CPU_ARM_CE             (1ULL << 11)
+/**< Utilises ARM CPU Cryptographic Extensions */
 
 
 /**
@@ -240,6 +335,10 @@ struct rte_cryptodev_info {
        struct {
                unsigned max_nb_sessions;
                /**< Maximum number of sessions supported by device. */
+               unsigned int max_nb_sessions_per_qp;
+               /**< Maximum number of sessions per queue pair.
+                * Default 0 for infinite sessions
+                */
        } sym;
 };
 
@@ -284,6 +383,8 @@ struct rte_cryptodev_stats {
        /**< Total error count on operations dequeued */
 };
 
+#define RTE_CRYPTODEV_NAME_MAX_LEN     (64)
+/**< Max length of name of crypto PMD */
 #define RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS  8
 #define RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS     2048
 
@@ -295,50 +396,9 @@ struct rte_crypto_vdev_init_params {
        unsigned max_nb_queue_pairs;
        unsigned max_nb_sessions;
        uint8_t socket_id;
+       char name[RTE_CRYPTODEV_NAME_MAX_LEN];
 };
 
-#define RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG               ("max_nb_queue_pairs")
-#define RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG             ("max_nb_sessions")
-#define RTE_CRYPTODEV_VDEV_SOCKET_ID                   ("socket_id")
-
-static const char *cryptodev_vdev_valid_params[] = {
-       RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
-       RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
-       RTE_CRYPTODEV_VDEV_SOCKET_ID
-};
-
-static inline uint8_t
-number_of_sockets(void)
-{
-       int sockets = 0;
-       int i;
-       const struct rte_memseg *ms = rte_eal_get_physmem_layout();
-
-       for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
-               if (sockets < ms[i].socket_id)
-                       sockets = ms[i].socket_id;
-       }
-
-       /* Number of sockets = maximum socket_id + 1 */
-       return ++sockets;
-}
-
-/** Parse integer from integer argument */
-static inline int
-__rte_cryptodev_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) {
-               CDEV_LOG_ERR("Argument has to be positive.");
-               return -1;
-       }
-
-       return 0;
-}
-
 /**
  * Parse virtual device initialisation parameters input arguments
  * @internal
@@ -350,55 +410,10 @@ __rte_cryptodev_parse_integer_arg(const char *key __rte_unused,
  * 0 on successful parse
  * <0 on failure to parse
  */
-static inline int
-rte_cryptodev_parse_vdev_init_params(struct rte_crypto_vdev_init_params *params,
-               const char *input_args)
-{
-       struct rte_kvargs *kvlist;
-       int ret;
-
-       if (params == NULL)
-               return -EINVAL;
-
-       if (input_args) {
-               kvlist = rte_kvargs_parse(input_args,
-                               cryptodev_vdev_valid_params);
-               if (kvlist == NULL)
-                       return -1;
-
-               ret = rte_kvargs_process(kvlist,
-                                       RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
-                                       &__rte_cryptodev_parse_integer_arg,
-                                       &params->max_nb_queue_pairs);
-               if (ret < 0)
-                       goto free_kvlist;
-
-               ret = rte_kvargs_process(kvlist,
-                                       RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
-                                       &__rte_cryptodev_parse_integer_arg,
-                                       &params->max_nb_sessions);
-               if (ret < 0)
-                       goto free_kvlist;
-
-               ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_SOCKET_ID,
-                                       &__rte_cryptodev_parse_integer_arg,
-                                       &params->socket_id);
-               if (ret < 0)
-                       goto free_kvlist;
-
-               if (params->socket_id >= number_of_sockets()) {
-                       CDEV_LOG_ERR("Invalid socket id specified to create "
-                               "the virtual crypto device on");
-                       goto free_kvlist;
-               }
-       }
-
-       return 0;
-
-free_kvlist:
-       rte_kvargs_free(kvlist);
-       return ret;
-}
+int
+rte_cryptodev_parse_vdev_init_params(
+               struct rte_crypto_vdev_init_params *params,
+               const char *input_args);
 
 /**
  * Create a virtual crypto device
@@ -436,8 +451,31 @@ rte_cryptodev_get_dev_id(const char *name);
 extern uint8_t
 rte_cryptodev_count(void);
 
+/**
+ * Get number of crypto device defined type.
+ *
+ * @param      type    type of device.
+ *
+ * @return
+ *   Returns number of crypto device.
+ */
 extern uint8_t
 rte_cryptodev_count_devtype(enum rte_cryptodev_type type);
+
+/**
+ * Get number and identifiers of attached crypto devices that
+ * use the same crypto driver.
+ *
+ * @param      driver_name     driver name.
+ * @param      devices         output devices identifiers.
+ * @param      nb_devices      maximal number of devices.
+ *
+ * @return
+ *   Returns number of attached crypto device.
+ */
+uint8_t
+rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
+               uint8_t nb_devices);
 /*
  * Return the NUMA socket to which a device is connected
  *
@@ -692,25 +730,20 @@ struct rte_cryptodev {
        /**< Functions exported by PMD */
        uint64_t feature_flags;
        /**< Supported features */
-       struct rte_pci_device *pci_dev;
-       /**< PCI info. supplied by probing */
+       struct rte_device *device;
+       /**< Backing device */
 
        enum rte_cryptodev_type dev_type;
        /**< Crypto device type */
-       enum pmd_type pmd_type;
-       /**< PMD type - PDEV / VDEV */
 
        struct rte_cryptodev_cb_list link_intr_cbs;
        /**< User application callback for interrupts if present */
 
+       __extension__
        uint8_t attached : 1;
        /**< Flag indicating the device is attached */
 } __rte_cache_aligned;
 
-
-#define RTE_CRYPTODEV_NAME_MAX_LEN     (64)
-/**< Max length of name of crypto PMD */
-
 /**
  *
  * The data part, with no function pointers, associated with each device.
@@ -726,6 +759,7 @@ struct rte_cryptodev_data {
        char name[RTE_CRYPTODEV_NAME_MAX_LEN];
        /**< Unique identifier name */
 
+       __extension__
        uint8_t dev_started : 1;
        /**< Device state: STARTED(1)/STOPPED(0) */
 
@@ -833,6 +867,7 @@ rte_cryptodev_enqueue_burst(uint8_t dev_id, uint16_t qp_id,
 
 /** Cryptodev symmetric crypto session */
 struct rte_cryptodev_sym_session {
+       RTE_STD_C11
        struct {
                uint8_t dev_id;
                /**< Device Id */
@@ -843,7 +878,7 @@ struct rte_cryptodev_sym_session {
        } __rte_aligned(8);
        /**< Public symmetric session details */
 
-       char _private[0];
+       __extension__ char _private[0];
        /**< Private session material */
 };
 
@@ -888,6 +923,36 @@ extern struct rte_cryptodev_sym_session *
 rte_cryptodev_sym_session_free(uint8_t dev_id,
                struct rte_cryptodev_sym_session *session);
 
+/**
+ * Attach queue pair with sym session.
+ *
+ * @param      qp_id           Queue pair to which session will be attached.
+ * @param      session         Session pointer previously allocated by
+ *                             *rte_cryptodev_sym_session_create*.
+ *
+ * @return
+ *  - On success, zero.
+ *  - On failure, a negative value.
+ */
+int
+rte_cryptodev_queue_pair_attach_sym_session(uint16_t qp_id,
+               struct rte_cryptodev_sym_session *session);
+
+/**
+ * Detach queue pair with sym session.
+ *
+ * @param      qp_id           Queue pair to which session is attached.
+ * @param      session         Session pointer previously allocated by
+ *                             *rte_cryptodev_sym_session_create*.
+ *
+ * @return
+ *  - On success, zero.
+ *  - On failure, a negative value.
+ */
+int
+rte_cryptodev_queue_pair_detach_sym_session(uint16_t qp_id,
+               struct rte_cryptodev_sym_session *session);
+
 
 #ifdef __cplusplus
 }