New upstream version 16.11.3
[deb_dpdk.git] / lib / librte_cryptodev / rte_cryptodev.c
index aa4ea42..c836a2c 100644 (file)
@@ -59,7 +59,6 @@
 #include <rte_atomic.h>
 #include <rte_branch_prediction.h>
 #include <rte_common.h>
-#include <rte_ring.h>
 #include <rte_mempool.h>
 #include <rte_malloc.h>
 #include <rte_mbuf.h>
@@ -102,6 +101,95 @@ struct rte_cryptodev_callback {
        uint32_t active;                        /**< Callback is executing */
 };
 
+#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 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 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) {
+               CDEV_LOG_ERR("Argument has to be positive.");
+               return -1;
+       }
+
+       return 0;
+}
+
+int
+rte_cryptodev_parse_vdev_init_params(struct rte_crypto_vdev_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,
+                               cryptodev_vdev_valid_params);
+               if (kvlist == NULL)
+                       return -1;
+
+               ret = rte_kvargs_process(kvlist,
+                                       RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
+                                       &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,
+                                       &parse_integer_arg,
+                                       &params->max_nb_sessions);
+               if (ret < 0)
+                       goto free_kvlist;
+
+               ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_SOCKET_ID,
+                                       &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;
+               }
+       }
+
+free_kvlist:
+       rte_kvargs_free(kvlist);
+       return ret;
+}
 
 const char *
 rte_cryptodev_get_feature_name(uint64_t flag)
@@ -137,13 +225,14 @@ rte_cryptodev_create_vdev(const char *name, const char *args)
 }
 
 int
-rte_cryptodev_get_dev_id(const char *name) {
+rte_cryptodev_get_dev_id(const char *name)
+{
        unsigned i;
 
        if (name == NULL)
                return -1;
 
-       for (i = 0; i < rte_cryptodev_globals->max_devs; i++)
+       for (i = 0; i < rte_cryptodev_globals->nb_devs; i++)
                if ((strcmp(rte_cryptodev_globals->devs[i].data->name, name)
                                == 0) &&
                                (rte_cryptodev_globals->devs[i].attached ==
@@ -230,7 +319,7 @@ rte_cryptodev_find_free_device_index(void)
 }
 
 struct rte_cryptodev *
-rte_cryptodev_pmd_allocate(const char *name, enum pmd_type type, int socket_id)
+rte_cryptodev_pmd_allocate(const char *name, int socket_id)
 {
        struct rte_cryptodev *cryptodev;
        uint8_t dev_id;
@@ -269,7 +358,6 @@ rte_cryptodev_pmd_allocate(const char *name, enum pmd_type type, int socket_id)
                cryptodev->data->dev_started = 0;
 
                cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
-               cryptodev->pmd_type = type;
 
                cryptodev_globals.nb_devs++;
        }
@@ -277,23 +365,6 @@ rte_cryptodev_pmd_allocate(const char *name, enum pmd_type type, int socket_id)
        return cryptodev;
 }
 
-static inline int
-rte_cryptodev_create_unique_device_name(char *name, size_t size,
-               struct rte_pci_device *pci_dev)
-{
-       int ret;
-
-       if ((name == NULL) || (pci_dev == NULL))
-               return -EINVAL;
-
-       ret = snprintf(name, size, "%d:%d.%d",
-                       pci_dev->addr.bus, pci_dev->addr.devid,
-                       pci_dev->addr.function);
-       if (ret < 0)
-               return ret;
-       return 0;
-}
-
 int
 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
 {
@@ -318,7 +389,7 @@ rte_cryptodev_pmd_virtual_dev_init(const char *name, size_t dev_private_size,
        struct rte_cryptodev *cryptodev;
 
        /* allocate device structure */
-       cryptodev = rte_cryptodev_pmd_allocate(name, PMD_VDEV, socket_id);
+       cryptodev = rte_cryptodev_pmd_allocate(name, socket_id);
        if (cryptodev == NULL)
                return NULL;
 
@@ -341,9 +412,9 @@ rte_cryptodev_pmd_virtual_dev_init(const char *name, size_t dev_private_size,
        return cryptodev;
 }
 
-static int
-rte_cryptodev_init(struct rte_pci_driver *pci_drv,
-               struct rte_pci_device *pci_dev)
+int
+rte_cryptodev_pci_probe(struct rte_pci_driver *pci_drv,
+                       struct rte_pci_device *pci_dev)
 {
        struct rte_cryptodev_driver *cryptodrv;
        struct rte_cryptodev *cryptodev;
@@ -356,12 +427,10 @@ rte_cryptodev_init(struct rte_pci_driver *pci_drv,
        if (cryptodrv == NULL)
                return -ENODEV;
 
-       /* Create unique Crypto device name using PCI address */
-       rte_cryptodev_create_unique_device_name(cryptodev_name,
-                       sizeof(cryptodev_name), pci_dev);
+       rte_eal_pci_device_name(&pci_dev->addr, cryptodev_name,
+                       sizeof(cryptodev_name));
 
-       cryptodev = rte_cryptodev_pmd_allocate(cryptodev_name, PMD_PDEV,
-                       rte_socket_id());
+       cryptodev = rte_cryptodev_pmd_allocate(cryptodev_name, rte_socket_id());
        if (cryptodev == NULL)
                return -ENOMEM;
 
@@ -390,7 +459,7 @@ rte_cryptodev_init(struct rte_pci_driver *pci_drv,
                return 0;
 
        CDEV_LOG_ERR("driver %s: crypto_dev_init(vendor_id=0x%x device_id=0x%x)"
-                       " failed", pci_drv->name,
+                       " failed", pci_drv->driver.name,
                        (unsigned) pci_dev->id.vendor_id,
                        (unsigned) pci_dev->id.device_id);
 
@@ -403,8 +472,8 @@ rte_cryptodev_init(struct rte_pci_driver *pci_drv,
        return -ENXIO;
 }
 
-static int
-rte_cryptodev_uninit(struct rte_pci_device *pci_dev)
+int
+rte_cryptodev_pci_remove(struct rte_pci_device *pci_dev)
 {
        const struct rte_cryptodev_driver *cryptodrv;
        struct rte_cryptodev *cryptodev;
@@ -414,9 +483,8 @@ rte_cryptodev_uninit(struct rte_pci_device *pci_dev)
        if (pci_dev == NULL)
                return -EINVAL;
 
-       /* Create unique device name using PCI address */
-       rte_cryptodev_create_unique_device_name(cryptodev_name,
-                       sizeof(cryptodev_name), pci_dev);
+       rte_eal_pci_device_name(&pci_dev->addr, cryptodev_name,
+                       sizeof(cryptodev_name));
 
        cryptodev = rte_cryptodev_pmd_get_named_dev(cryptodev_name);
        if (cryptodev == NULL)
@@ -446,28 +514,6 @@ rte_cryptodev_uninit(struct rte_pci_device *pci_dev)
        return 0;
 }
 
-int
-rte_cryptodev_pmd_driver_register(struct rte_cryptodev_driver *cryptodrv,
-               enum pmd_type type)
-{
-       /* Call crypto device initialization directly if device is virtual */
-       if (type == PMD_VDEV)
-               return rte_cryptodev_init((struct rte_pci_driver *)cryptodrv,
-                               NULL);
-
-       /*
-        * Register PCI driver for physical device intialisation during
-        * PCI probing
-        */
-       cryptodrv->pci_drv.devinit = rte_cryptodev_init;
-       cryptodrv->pci_drv.devuninit = rte_cryptodev_uninit;
-
-       rte_eal_pci_register(&cryptodrv->pci_drv);
-
-       return 0;
-}
-
-
 uint16_t
 rte_cryptodev_queue_pair_count(uint8_t dev_id)
 {
@@ -691,8 +737,8 @@ rte_cryptodev_stop(uint8_t dev_id)
                return;
        }
 
-       dev->data->dev_started = 0;
        (*dev->dev_ops->dev_stop)(dev);
+       dev->data->dev_started = 0;
 }
 
 int
@@ -824,7 +870,7 @@ rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
 
        dev_info->pci_dev = dev->pci_dev;
        if (dev->driver)
-               dev_info->driver_name = dev->driver->pci_drv.name;
+               dev_info->driver_name = dev->driver->pci_drv.driver.name;
 }
 
 
@@ -956,7 +1002,7 @@ rte_cryptodev_sym_session_init(struct rte_mempool *mp,
        sess->mp = mp;
 
        if (dev->dev_ops->session_initialize)
-               (*dev->dev_ops->session_initialize)(mp, sess->_private);
+               (*dev->dev_ops->session_initialize)(mp, sess);
 }
 
 static int