New upstream version 17.08
[deb_dpdk.git] / drivers / crypto / scheduler / scheduler_pmd.c
index 0b63c20..400fc4f 100644 (file)
@@ -33,6 +33,7 @@
 #include <rte_hexdump.h>
 #include <rte_cryptodev.h>
 #include <rte_cryptodev_pmd.h>
+#include <rte_cryptodev_vdev.h>
 #include <rte_vdev.h>
 #include <rte_malloc.h>
 #include <rte_cpuflags.h>
 #include "rte_cryptodev_scheduler.h"
 #include "scheduler_pmd_private.h"
 
+uint8_t cryptodev_driver_id;
+
 struct scheduler_init_params {
        struct rte_crypto_vdev_init_params def_p;
        uint32_t nb_slaves;
        enum rte_cryptodev_scheduler_mode mode;
        uint32_t enable_ordering;
+       uint64_t wcmask;
        char slave_names[RTE_CRYPTODEV_SCHEDULER_MAX_NB_SLAVES]
                        [RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN];
 };
@@ -57,6 +61,8 @@ struct scheduler_init_params {
 #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")
+#define RTE_CRYPTODEV_VDEV_COREMASK            ("coremask")
+#define RTE_CRYPTODEV_VDEV_CORELIST            ("corelist")
 
 const char *scheduler_valid_params[] = {
        RTE_CRYPTODEV_VDEV_NAME,
@@ -65,7 +71,9 @@ const char *scheduler_valid_params[] = {
        RTE_CRYPTODEV_VDEV_ORDERING,
        RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
        RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
-       RTE_CRYPTODEV_VDEV_SOCKET_ID
+       RTE_CRYPTODEV_VDEV_SOCKET_ID,
+       RTE_CRYPTODEV_VDEV_COREMASK,
+       RTE_CRYPTODEV_VDEV_CORELIST
 };
 
 struct scheduler_parse_map {
@@ -79,7 +87,9 @@ const struct scheduler_parse_map scheduler_mode_map[] = {
        {RTE_STR(SCHEDULER_MODE_NAME_PKT_SIZE_DISTR),
                        CDEV_SCHED_MODE_PKT_SIZE_DISTR},
        {RTE_STR(SCHEDULER_MODE_NAME_FAIL_OVER),
-                       CDEV_SCHED_MODE_FAILOVER}
+                       CDEV_SCHED_MODE_FAILOVER},
+       {RTE_STR(SCHEDULER_MODE_NAME_MULTI_CORE),
+                       CDEV_SCHED_MODE_MULTICORE}
 };
 
 const struct scheduler_parse_map scheduler_ordering_map[] = {
@@ -89,7 +99,8 @@ const struct scheduler_parse_map scheduler_ordering_map[] = {
 
 static int
 cryptodev_scheduler_create(const char *name,
-       struct scheduler_init_params *init_params)
+               struct rte_vdev_device *vdev,
+               struct scheduler_init_params *init_params)
 {
        struct rte_cryptodev *dev;
        struct scheduler_ctx *sched_ctx;
@@ -101,22 +112,38 @@ cryptodev_scheduler_create(const char *name,
                                sizeof(init_params->def_p.name),
                                "%s", name);
 
-       dev = rte_cryptodev_pmd_virtual_dev_init(init_params->def_p.name,
+       dev = rte_cryptodev_vdev_pmd_init(init_params->def_p.name,
                        sizeof(struct scheduler_ctx),
-                       init_params->def_p.socket_id);
+                       init_params->def_p.socket_id,
+                       vdev);
        if (dev == NULL) {
                CS_LOG_ERR("driver %s: failed to create cryptodev vdev",
                        name);
                return -EFAULT;
        }
 
-       dev->dev_type = RTE_CRYPTODEV_SCHEDULER_PMD;
+       dev->driver_id = cryptodev_driver_id;
        dev->dev_ops = rte_crypto_scheduler_pmd_ops;
 
        sched_ctx = dev->data->dev_private;
        sched_ctx->max_nb_queue_pairs =
                        init_params->def_p.max_nb_queue_pairs;
 
+       if (init_params->mode == CDEV_SCHED_MODE_MULTICORE) {
+               uint16_t i;
+
+               sched_ctx->nb_wc = 0;
+
+               for (i = 0; i < RTE_CRYPTODEV_SCHEDULER_MAX_NB_WORKER_CORES; i++) {
+                       if (init_params->wcmask & (1ULL << i)) {
+                               sched_ctx->wc_pool[sched_ctx->nb_wc++] = i;
+                               RTE_LOG(INFO, PMD,
+                                       "  Worker core[%u]=%u added\n",
+                                       sched_ctx->nb_wc-1, i);
+                       }
+               }
+       }
+
        if (init_params->mode > CDEV_SCHED_MODE_USERDEFINED &&
                        init_params->mode < CDEV_SCHED_MODE_COUNT) {
                ret = rte_cryptodev_scheduler_mode_set(dev->data->dev_id,
@@ -219,22 +246,6 @@ cryptodev_scheduler_remove(struct rte_vdev_device *vdev)
        return 0;
 }
 
-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,
@@ -251,6 +262,43 @@ parse_integer_arg(const char *key __rte_unused,
        return 0;
 }
 
+/** Parse integer from hexadecimal integer argument */
+static int
+parse_coremask_arg(const char *key __rte_unused,
+               const char *value, void *extra_args)
+{
+       struct scheduler_init_params *params = extra_args;
+
+       params->wcmask = strtoull(value, NULL, 16);
+
+       return 0;
+}
+
+/** Parse integer from list of integers argument */
+static int
+parse_corelist_arg(const char *key __rte_unused,
+               const char *value, void *extra_args)
+{
+       struct scheduler_init_params *params = extra_args;
+
+       params->wcmask = 0ULL;
+
+       const char *token = value;
+
+       while (isdigit(token[0])) {
+               char *rval;
+               unsigned int core = strtoul(token, &rval, 10);
+
+               params->wcmask |= 1ULL << core;
+               token = (const char *)rval;
+               if (token[0] == '\0')
+                       break;
+               token++;
+       }
+
+       return 0;
+}
+
 /** Parse name */
 static int
 parse_name_arg(const char *key __rte_unused,
@@ -277,7 +325,7 @@ parse_slave_arg(const char *key __rte_unused,
 {
        struct scheduler_init_params *param = extra_args;
 
-       if (param->nb_slaves >= RTE_CRYPTODEV_SCHEDULER_MAX_NB_SLAVES - 1) {
+       if (param->nb_slaves >= RTE_CRYPTODEV_SCHEDULER_MAX_NB_SLAVES) {
                CS_LOG_ERR("Too many slaves.\n");
                return -ENOMEM;
        }
@@ -370,6 +418,18 @@ scheduler_parse_init_params(struct scheduler_init_params *params,
                if (ret < 0)
                        goto free_kvlist;
 
+               ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_COREMASK,
+                               &parse_coremask_arg,
+                               params);
+               if (ret < 0)
+                       goto free_kvlist;
+
+               ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_CORELIST,
+                               &parse_corelist_arg,
+                               params);
+               if (ret < 0)
+                       goto free_kvlist;
+
                ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_NAME,
                                &parse_name_arg,
                                &params->def_p);
@@ -390,12 +450,6 @@ scheduler_parse_init_params(struct scheduler_init_params *params,
                                &parse_ordering_arg, params);
                if (ret < 0)
                        goto free_kvlist;
-
-               if (params->def_p.socket_id >= number_of_sockets()) {
-                       CDEV_LOG_ERR("Invalid socket id specified to create "
-                               "the virtual crypto device on");
-                       goto free_kvlist;
-               }
        }
 
 free_kvlist:
@@ -437,8 +491,12 @@ cryptodev_scheduler_probe(struct rte_vdev_device *vdev)
        if (init_params.def_p.name[0] != '\0')
                RTE_LOG(INFO, PMD, "  User defined name = %s\n",
                        init_params.def_p.name);
+       if (init_params.wcmask != 0)
+               RTE_LOG(INFO, PMD, "  workers core mask = %"PRIx64"\n",
+                       init_params.wcmask);
 
        return cryptodev_scheduler_create(name,
+                                       vdev,
                                        &init_params);
 }
 
@@ -454,3 +512,5 @@ RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_SCHEDULER_PMD,
        "max_nb_sessions=<int> "
        "socket_id=<int> "
        "slave=<name>");
+RTE_PMD_REGISTER_CRYPTO_DRIVER(cryptodev_scheduler_pmd_drv,
+               cryptodev_driver_id);