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-rw-r--r--lib/librte_cryptodev/rte_cryptodev.h342
1 files changed, 217 insertions, 125 deletions
diff --git a/lib/librte_cryptodev/rte_cryptodev.h b/lib/librte_cryptodev/rte_cryptodev.h
index 88aeb873..7ec9c4bc 100644
--- a/lib/librte_cryptodev/rte_cryptodev.h
+++ b/lib/librte_cryptodev/rte_cryptodev.h
@@ -49,44 +49,7 @@ extern "C" {
#include "rte_crypto.h"
#include "rte_dev.h"
#include <rte_common.h>
-
-#define CRYPTODEV_NAME_NULL_PMD crypto_null
-/**< Null crypto PMD device name */
-#define CRYPTODEV_NAME_AESNI_MB_PMD crypto_aesni_mb
-/**< AES-NI Multi buffer PMD device name */
-#define CRYPTODEV_NAME_AESNI_GCM_PMD crypto_aesni_gcm
-/**< AES-NI GCM PMD device name */
-#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 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 {
- 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 */
- 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 */
-};
+#include <rte_vdev.h>
extern const char **rte_cyptodev_names;
@@ -118,6 +81,38 @@ extern const char **rte_cyptodev_names;
#define CDEV_PMD_TRACE(...) (void)0
#endif
+
+
+/**
+ * A macro that points to an offset from the start
+ * of the crypto operation structure (rte_crypto_op)
+ *
+ * The returned pointer is cast to type t.
+ *
+ * @param c
+ * The crypto operation.
+ * @param o
+ * The offset from the start of the crypto operation.
+ * @param t
+ * The type to cast the result into.
+ */
+#define rte_crypto_op_ctod_offset(c, t, o) \
+ ((t)((char *)(c) + (o)))
+
+/**
+ * A macro that returns the physical address that points
+ * to an offset from the start of the crypto operation
+ * (rte_crypto_op)
+ *
+ * @param c
+ * The crypto operation.
+ * @param o
+ * The offset from the start of the crypto operation
+ * to calculate address from.
+ */
+#define rte_crypto_op_ctophys_offset(c, o) \
+ (phys_addr_t)((c)->phys_addr + (o))
+
/**
* Crypto parameters range description
*/
@@ -137,7 +132,7 @@ struct rte_crypto_param_range {
*/
struct rte_cryptodev_symmetric_capability {
enum rte_crypto_sym_xform_type xform_type;
- /**< Transform type : Authentication / Cipher */
+ /**< Transform type : Authentication / Cipher / AEAD */
RTE_STD_C11
union {
struct {
@@ -151,6 +146,8 @@ struct rte_cryptodev_symmetric_capability {
/**< digest size range */
struct rte_crypto_param_range aad_size;
/**< Additional authentication data size range */
+ struct rte_crypto_param_range iv_size;
+ /**< Initialisation vector data size range */
} auth;
/**< Symmetric Authentication transform capabilities */
struct {
@@ -164,6 +161,20 @@ struct rte_cryptodev_symmetric_capability {
/**< Initialisation vector data size range */
} cipher;
/**< Symmetric Cipher transform capabilities */
+ struct {
+ enum rte_crypto_aead_algorithm algo;
+ /**< AEAD algorithm */
+ uint16_t block_size;
+ /**< algorithm block size */
+ struct rte_crypto_param_range key_size;
+ /**< AEAD key size range */
+ struct rte_crypto_param_range digest_size;
+ /**< digest size range */
+ struct rte_crypto_param_range aad_size;
+ /**< Additional authentication data size range */
+ struct rte_crypto_param_range iv_size;
+ /**< Initialisation vector data size range */
+ } aead;
};
};
@@ -185,6 +196,7 @@ struct rte_cryptodev_sym_capability_idx {
union {
enum rte_crypto_cipher_algorithm cipher;
enum rte_crypto_auth_algorithm auth;
+ enum rte_crypto_aead_algorithm aead;
} algo;
};
@@ -226,7 +238,7 @@ rte_cryptodev_sym_capability_check_cipher(
* @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.
+ * @param iv_size Auth initial vector size.
*
* @return
* - Return 0 if the parameters are in range of the capability.
@@ -235,7 +247,27 @@ rte_cryptodev_sym_capability_check_cipher(
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);
+ uint16_t key_size, uint16_t digest_size, uint16_t iv_size);
+
+/**
+ * Check if key, digest, AAD and initial vector sizes are supported
+ * in crypto AEAD capability
+ *
+ * @param capability Description of the symmetric crypto capability.
+ * @param key_size AEAD key size.
+ * @param digest_size AEAD digest size.
+ * @param aad_size AEAD AAD size.
+ * @param iv_size AEAD IV 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_aead(
+ const struct rte_cryptodev_symmetric_capability *capability,
+ uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
+ uint16_t iv_size);
/**
* Provide the cipher algorithm enum, given an algorithm string
@@ -267,6 +299,21 @@ int
rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
const char *algo_string);
+/**
+ * Provide the AEAD algorithm enum, given an algorithm string
+ *
+ * @param algo_enum A pointer to the AEAD algorithm
+ * enum to be filled
+ * @param algo_string AEAD algorithm string
+ *
+ * @return
+ * - Return -1 if string is not valid
+ * - Return 0 is the string is valid
+ */
+int
+rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_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 }
@@ -321,7 +368,7 @@ 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 */
+ uint8_t driver_id; /**< Driver identifier */
struct rte_pci_device *pci_dev; /**< PCI information. */
uint64_t feature_flags; /**< Feature flags */
@@ -385,37 +432,10 @@ struct rte_cryptodev_stats {
#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
-
-/**
- * @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;
- char name[RTE_CRYPTODEV_NAME_MAX_LEN];
-};
/**
- * Parse virtual device initialisation parameters input arguments
- * @internal
- *
- * @params params Initialisation parameters with defaults set.
- * @params input_args Command line arguments
+ * @deprecated
*
- * @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
*
* @param name Cryptodev PMD name of device to be created.
@@ -426,6 +446,7 @@ rte_cryptodev_parse_vdev_init_params(
* which will be between 0 and rte_cryptodev_count().
* - In the case of a failure, returns -1.
*/
+__rte_deprecated
extern int
rte_cryptodev_create_vdev(const char *name, const char *args);
@@ -454,18 +475,19 @@ rte_cryptodev_count(void);
/**
* Get number of crypto device defined type.
*
- * @param type type of device.
+ * @param driver_id driver identifier.
*
* @return
* Returns number of crypto device.
*/
extern uint8_t
-rte_cryptodev_count_devtype(enum rte_cryptodev_type type);
+rte_cryptodev_device_count_by_driver(uint8_t driver_id);
/**
- * Get number and identifiers of attached crypto device.
+ * Get number and identifiers of attached crypto devices that
+ * use the same crypto driver.
*
- * @param dev_name device name.
+ * @param driver_name driver name.
* @param devices output devices identifiers.
* @param nb_devices maximal number of devices.
*
@@ -473,7 +495,7 @@ rte_cryptodev_count_devtype(enum rte_cryptodev_type type);
* Returns number of attached crypto device.
*/
uint8_t
-rte_cryptodev_devices_get(const char *dev_name, uint8_t *devices,
+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
@@ -493,11 +515,6 @@ struct rte_cryptodev_config {
int socket_id; /**< Socket to allocate resources on */
uint16_t nb_queue_pairs;
/**< Number of queue pairs to configure on device */
-
- struct {
- uint32_t nb_objs; /**< Number of objects in mempool */
- uint32_t cache_size; /**< l-core object cache size */
- } session_mp; /**< Session mempool configuration */
};
/**
@@ -574,6 +591,8 @@ rte_cryptodev_close(uint8_t dev_id);
* *SOCKET_ID_ANY* if there is no NUMA constraint
* for the DMA memory allocated for the receive
* queue pair.
+ * @param session_pool Pointer to device session mempool, used
+ * for session-less operations.
*
* @return
* - 0: Success, queue pair correctly set up.
@@ -581,7 +600,8 @@ rte_cryptodev_close(uint8_t dev_id);
*/
extern int
rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
- const struct rte_cryptodev_qp_conf *qp_conf, int socket_id);
+ const struct rte_cryptodev_qp_conf *qp_conf, int socket_id,
+ struct rte_mempool *session_pool);
/**
* Start a specified queue pair of a device. It is used
@@ -721,8 +741,6 @@ struct rte_cryptodev {
enqueue_pkt_burst_t enqueue_burst;
/**< Pointer to PMD transmit function. */
- const struct rte_cryptodev_driver *driver;
- /**< Driver for this device */
struct rte_cryptodev_data *data;
/**< Pointer to device data */
struct rte_cryptodev_ops *dev_ops;
@@ -732,8 +750,8 @@ struct rte_cryptodev {
struct rte_device *device;
/**< Backing device */
- enum rte_cryptodev_type dev_type;
- /**< Crypto device type */
+ uint8_t driver_id;
+ /**< Crypto driver identifier*/
struct rte_cryptodev_cb_list link_intr_cbs;
/**< User application callback for interrupts if present */
@@ -866,66 +884,100 @@ 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 dev_type;
- /** Crypto Device type session created on */
- struct rte_mempool *mp;
- /**< Mempool session allocated from */
- } __rte_aligned(8);
- /**< Public symmetric session details */
-
- __extension__ char _private[0];
+ __extension__ void *sess_private_data[0];
/**< Private session material */
};
/**
- * Initialise a session for symmetric cryptographic operations.
+ * Create symmetric crypto session header (generic with no private data)
*
- * This function is used by the client to initialize immutable
- * parameters of symmetric cryptographic operation.
- * To perform the operation the rte_cryptodev_enqueue_burst function is
- * used. Each mbuf should contain a reference to the session
- * pointer returned from this function contained within it's crypto_op if a
- * session-based operation is being provisioned. Memory to contain the session
- * information is allocated from within mempool managed by the cryptodev.
+ * @param mempool Symmetric session mempool to allocate session
+ * objects from
+ * @return
+ * - On success return pointer to sym-session
+ * - On failure returns NULL
+ */
+struct rte_cryptodev_sym_session *
+rte_cryptodev_sym_session_create(struct rte_mempool *mempool);
+
+/**
+ * Frees symmetric crypto session header, after checking that all
+ * the device private data has been freed, returning it
+ * to its original mempool.
*
- * The rte_cryptodev_session_free must be called to free allocated
- * memory when the session is no longer required.
+ * @param sess Session header to be freed.
*
- * @param dev_id The device identifier.
- * @param xform Crypto transform chain.
+ * @return
+ * - 0 if successful.
+ * - -EINVAL if session is NULL.
+ * - -EBUSY if not all device private data has been freed.
+ */
+int
+rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess);
+
+/**
+ * Fill out private data for the device id, based on its device type.
+ *
+ * @param dev_id ID of device that we want the session to be used on
+ * @param sess Session where the private data will be attached to
+ * @param xforms Symmetric crypto transform operations to apply on flow
+ * processed with this session
+ * @param mempool Mempool where the private data is allocated.
+ *
+ * @return
+ * - On success, zero.
+ * - -EINVAL if input parameters are invalid.
+ * - -ENOTSUP if crypto device does not support the crypto transform.
+ * - -ENOMEM if the private session could not be allocated.
+ */
+int
+rte_cryptodev_sym_session_init(uint8_t dev_id,
+ struct rte_cryptodev_sym_session *sess,
+ struct rte_crypto_sym_xform *xforms,
+ struct rte_mempool *mempool);
+/**
+ * Frees private data for the device id, based on its device type,
+ * returning it to its mempool.
+ *
+ * @param dev_id ID of device that uses the session.
+ * @param sess Session containing the reference to the private data
*
* @return
- * Pointer to the created session or NULL
+ * - 0 if successful.
+ * - -EINVAL if device is invalid or session is NULL.
*/
-extern struct rte_cryptodev_sym_session *
-rte_cryptodev_sym_session_create(uint8_t dev_id,
- struct rte_crypto_sym_xform *xform);
+int
+rte_cryptodev_sym_session_clear(uint8_t dev_id,
+ struct rte_cryptodev_sym_session *sess);
/**
- * Free the memory associated with a previously allocated session.
+ * Get the size of the header session, for all registered drivers.
+ *
+ * @return
+ * Size of the header session.
+ */
+unsigned int
+rte_cryptodev_get_header_session_size(void);
+
+/**
+ * Get the size of the private session data for a device.
*
* @param dev_id The device identifier.
- * @param session Session pointer previously allocated by
- * *rte_cryptodev_sym_session_create*.
*
* @return
- * NULL on successful freeing of session.
- * Session pointer on failure to free session.
+ * - Size of the private data, if successful
+ * - 0 if device is invalid or does not have private session
*/
-extern struct rte_cryptodev_sym_session *
-rte_cryptodev_sym_session_free(uint8_t dev_id,
- struct rte_cryptodev_sym_session *session);
+unsigned int
+rte_cryptodev_get_private_session_size(uint8_t dev_id);
/**
* Attach queue pair with sym session.
*
- * @param qp_id Queue pair to which session will be attached.
+ * @param dev_id Device to which the session will be attached.
+ * @param qp_id Queue pair to which the session will be attached.
* @param session Session pointer previously allocated by
* *rte_cryptodev_sym_session_create*.
*
@@ -934,13 +986,14 @@ rte_cryptodev_sym_session_free(uint8_t dev_id,
* - On failure, a negative value.
*/
int
-rte_cryptodev_queue_pair_attach_sym_session(uint16_t qp_id,
+rte_cryptodev_queue_pair_attach_sym_session(uint8_t dev_id, 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 dev_id Device to which the session is attached.
+ * @param qp_id Queue pair to which the session is attached.
* @param session Session pointer previously allocated by
* *rte_cryptodev_sym_session_create*.
*
@@ -949,9 +1002,48 @@ rte_cryptodev_queue_pair_attach_sym_session(uint16_t qp_id,
* - On failure, a negative value.
*/
int
-rte_cryptodev_queue_pair_detach_sym_session(uint16_t qp_id,
+rte_cryptodev_queue_pair_detach_sym_session(uint8_t dev_id, uint16_t qp_id,
struct rte_cryptodev_sym_session *session);
+/**
+ * Provide driver identifier.
+ *
+ * @param name
+ * The pointer to a driver name.
+ * @return
+ * The driver type identifier or -1 if no driver found
+ */
+int rte_cryptodev_driver_id_get(const char *name);
+
+/**
+ * Provide driver name.
+ *
+ * @param driver_id
+ * The driver identifier.
+ * @return
+ * The driver name or null if no driver found
+ */
+const char *rte_cryptodev_driver_name_get(uint8_t driver_id);
+
+/**
+ * @internal
+ * Allocate Cryptodev driver.
+ *
+ * @param driver
+ * Pointer to rte_driver.
+ * @return
+ * The driver type identifier
+ */
+uint8_t rte_cryptodev_allocate_driver(const struct rte_driver *driver);
+
+
+#define RTE_PMD_REGISTER_CRYPTO_DRIVER(drv, driver_id)\
+RTE_INIT(init_ ##driver_id);\
+static void init_ ##driver_id(void)\
+{\
+ driver_id = rte_cryptodev_allocate_driver(&(drv).driver);\
+}
+
#ifdef __cplusplus
}