lib: work around unnamed structs/unions
[dpdk.git] / lib / librte_cryptodev / rte_cryptodev.h
index aab8cff..cf28541 100644 (file)
  *
  * Defines RTE Crypto Device APIs for the provisioning of cipher and
  * authentication operations.
- *
- * @b EXPERIMENTAL: this API may change without prior notice
- *
  */
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+#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                cryptodev_null_pmd
 /**< Null crypto PMD device name */
-#define CRYPTODEV_NAME_AESNI_MB_PMD    ("cryptodev_aesni_mb_pmd")
+#define CRYPTODEV_NAME_AESNI_MB_PMD    cryptodev_aesni_mb_pmd
 /**< AES-NI Multi buffer PMD device name */
-#define CRYPTODEV_NAME_QAT_SYM_PMD     ("cryptodev_qat_sym_pmd")
+#define CRYPTODEV_NAME_AESNI_GCM_PMD   cryptodev_aesni_gcm_pmd
+/**< AES-NI GCM PMD device name */
+#define CRYPTODEV_NAME_QAT_SYM_PMD     cryptodev_qat_sym_pmd
 /**< Intel QAT Symmetric Crypto PMD device name */
+#define CRYPTODEV_NAME_SNOW3G_PMD      cryptodev_snow3g_pmd
+/**< SNOW 3G PMD device name */
+#define CRYPTODEV_NAME_KASUMI_PMD      cryptodev_kasumi_pmd
+/**< KASUMI PMD device name */
 
 /** Crypto device type */
 enum rte_cryptodev_type {
        RTE_CRYPTODEV_NULL_PMD = 1,     /**< Null crypto PMD */
+       RTE_CRYPTODEV_AESNI_GCM_PMD,    /**< AES-NI GCM PMD */
        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 */
 };
 
-
 extern const char **rte_cyptodev_names;
 
 /* Logging Macros */
@@ -92,12 +99,147 @@ extern const char **rte_cyptodev_names;
 #define CDEV_PMD_TRACE(fmt, args...)
 #endif
 
+/**
+ * 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;
+                       /**< 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;
+                       /**< 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;
+                       /**< Additional authentication data size range */
+               } auth;
+               /**< Symmetric Authentication transform capabilities */
+               struct {
+                       enum rte_crypto_cipher_algorithm algo;
+                       /**< 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;
+                       /**< 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;
+                       /**< Initialisation vector data size range */
+               } cipher;
+               /**< Symmetric Cipher transform capabilities */
+       };
+};
+
+/** Structure used to capture a capability of a crypto device */
+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 */
+       };
+};
+
+/** Macro used at end of crypto PMD list */
+#define RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST() \
+       { RTE_CRYPTO_OP_TYPE_UNDEFINED }
+
+
+/**
+ * Crypto device supported feature flags
+ *
+ * Note:
+ * New features flags should be added to the end of the list
+ *
+ * Keep these flags synchronised with rte_cryptodev_get_feature_name()
+ */
+#define        RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO       (1ULL << 0)
+/**< Symmetric crypto operations are supported */
+#define        RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO      (1ULL << 1)
+/**< Asymmetric crypto operations are supported */
+#define        RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING (1ULL << 2)
+/**< Chaining symmetric crypto operations are supported */
+#define        RTE_CRYPTODEV_FF_CPU_SSE                (1ULL << 3)
+/**< Utilises CPU SIMD SSE instructions */
+#define        RTE_CRYPTODEV_FF_CPU_AVX                (1ULL << 4)
+/**< Utilises CPU SIMD AVX instructions */
+#define        RTE_CRYPTODEV_FF_CPU_AVX2               (1ULL << 5)
+/**< Utilises CPU SIMD AVX2 instructions */
+#define        RTE_CRYPTODEV_FF_CPU_AESNI              (1ULL << 6)
+/**< Utilises CPU AES-NI instructions */
+#define        RTE_CRYPTODEV_FF_HW_ACCELERATED         (1ULL << 7)
+/**< Operations are off-loaded to an external hardware accelerator */
+
+
+/**
+ * Get the name of a crypto device feature flag
+ *
+ * @param      flag    The mask describing the flag.
+ *
+ * @return
+ *   The name of this flag, or NULL if it's not a valid feature flag.
+ */
+
+extern const char *
+rte_cryptodev_get_feature_name(uint64_t flag);
+
 /**  Crypto device information */
 struct rte_cryptodev_info {
        const char *driver_name;                /**< Driver name. */
        enum rte_cryptodev_type dev_type;       /**< Device type */
        struct rte_pci_device *pci_dev;         /**< PCI information. */
 
+       uint64_t feature_flags;                 /**< Feature flags */
+
+       const struct rte_cryptodev_capabilities *capabilities;
+       /**< Array of devices supported capabilities */
+
        unsigned max_nb_queue_pairs;
        /**< Maximum number of queues pairs supported by device. */
 
@@ -148,6 +290,34 @@ struct rte_cryptodev_stats {
        /**< Total error count on operations dequeued */
 };
 
+#define RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS  8
+#define RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS     2048
+
+/**
+ * @internal
+ * Initialisation parameters for virtual crypto devices
+ */
+struct rte_crypto_vdev_init_params {
+       unsigned max_nb_queue_pairs;
+       unsigned max_nb_sessions;
+       uint8_t socket_id;
+};
+
+/**
+ * Parse virtual device initialisation parameters input arguments
+ * @internal
+ *
+ * @params     params          Initialisation parameters with defaults set.
+ * @params     input_args      Command line arguments
+ *
+ * @return
+ * 0 on successful parse
+ * <0 on failure to parse
+ */
+int
+rte_cryptodev_parse_vdev_init_params(
+               struct rte_crypto_vdev_init_params *params,
+               const char *input_args);
 
 /**
  * Create a virtual crypto device
@@ -419,6 +589,8 @@ typedef uint16_t (*enqueue_pkt_burst_t)(void *qp,
 /**< Enqueue packets for processing on queue pair of a device. */
 
 
+
+
 struct rte_cryptodev_callback;
 
 /** Structure to keep track of registered callbacks */
@@ -437,6 +609,8 @@ struct rte_cryptodev {
        /**< Pointer to device data */
        struct rte_cryptodev_ops *dev_ops;
        /**< Functions exported by PMD */
+       uint64_t feature_flags;
+       /**< Supported features */
        struct rte_pci_device *pci_dev;
        /**< PCI info. supplied by probing */
 
@@ -448,6 +622,7 @@ struct rte_cryptodev {
        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;
@@ -471,6 +646,7 @@ 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) */
 
@@ -578,17 +754,18 @@ 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 */
-               enum rte_cryptodev_type type;
+               enum rte_cryptodev_type dev_type;
                /** Crypto Device type session created on */
                struct rte_mempool *mp;
                /**< Mempool session allocated from */
        } __rte_aligned(8);
        /**< Public symmetric session details */
 
-       char _private[0];
+       char _private[];
        /**< Private session material */
 };