#include <rte_bbdev_pmd.h>
#include <bbdev_la12xx_pmd_logs.h>
+#include <bbdev_la12xx_ipc.h>
+#include <bbdev_la12xx.h>
#define DRIVER_NAME baseband_la12xx
-/* private data structure */
-struct bbdev_la12xx_private {
- unsigned int max_nb_queues; /**< Max number of queues */
+/* Initialisation params structure that can be used by LA12xx BBDEV driver */
+struct bbdev_la12xx_params {
+ uint8_t queues_num; /*< LA12xx BBDEV queues number */
+ int8_t modem_id; /*< LA12xx modem instance id */
};
+
+#define LA12XX_MAX_NB_QUEUES_ARG "max_nb_queues"
+#define LA12XX_VDEV_MODEM_ID_ARG "modem"
+#define LA12XX_MAX_MODEM 4
+
+static const char * const bbdev_la12xx_valid_params[] = {
+ LA12XX_MAX_NB_QUEUES_ARG,
+ LA12XX_VDEV_MODEM_ID_ARG,
+};
+
+static inline int
+parse_u16_arg(const char *key, const char *value, void *extra_args)
+{
+ uint16_t *u16 = extra_args;
+
+ uint64_t result;
+ if ((value == NULL) || (extra_args == NULL))
+ return -EINVAL;
+ errno = 0;
+ result = strtoul(value, NULL, 0);
+ if ((result >= (1 << 16)) || (errno != 0)) {
+ rte_bbdev_log(ERR, "Invalid value %" PRIu64 " for %s",
+ result, key);
+ return -ERANGE;
+ }
+ *u16 = (uint16_t)result;
+ return 0;
+}
+
+/* Parse integer from integer argument */
+static int
+parse_integer_arg(const char *key __rte_unused,
+ const char *value, void *extra_args)
+{
+ int i;
+ char *end;
+
+ errno = 0;
+
+ i = strtol(value, &end, 10);
+ if (*end != 0 || errno != 0 || i < 0 || i > LA12XX_MAX_MODEM) {
+ rte_bbdev_log(ERR, "Supported Port IDS are 0 to %d",
+ LA12XX_MAX_MODEM - 1);
+ return -EINVAL;
+ }
+
+ *((uint32_t *)extra_args) = i;
+
+ return 0;
+}
+
+/* Parse parameters used to create device */
+static int
+parse_bbdev_la12xx_params(struct bbdev_la12xx_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,
+ bbdev_la12xx_valid_params);
+ if (kvlist == NULL)
+ return -EFAULT;
+
+ ret = rte_kvargs_process(kvlist, bbdev_la12xx_valid_params[0],
+ &parse_u16_arg, ¶ms->queues_num);
+ if (ret < 0)
+ goto exit;
+
+ ret = rte_kvargs_process(kvlist,
+ bbdev_la12xx_valid_params[1],
+ &parse_integer_arg,
+ ¶ms->modem_id);
+
+ if (params->modem_id >= LA12XX_MAX_MODEM) {
+ rte_bbdev_log(ERR, "Invalid modem id, must be < %u",
+ LA12XX_MAX_MODEM);
+ goto exit;
+ }
+ }
+
+exit:
+ if (kvlist)
+ rte_kvargs_free(kvlist);
+ return ret;
+}
+
/* Create device */
static int
-la12xx_bbdev_create(struct rte_vdev_device *vdev)
+la12xx_bbdev_create(struct rte_vdev_device *vdev,
+ struct bbdev_la12xx_params *init_params)
{
struct rte_bbdev *bbdev;
const char *name = rte_vdev_device_name(vdev);
+ struct bbdev_la12xx_private *priv;
PMD_INIT_FUNC_TRACE();
return -ENOMEM;
}
+ priv = bbdev->data->dev_private;
+ priv->modem_id = init_params->modem_id;
+ /* if modem id is not configured */
+ if (priv->modem_id == -1)
+ priv->modem_id = bbdev->data->dev_id;
+
+ /* Reset Global variables */
+ priv->num_ldpc_enc_queues = 0;
+ priv->num_ldpc_dec_queues = 0;
+ priv->num_valid_queues = 0;
+ priv->max_nb_queues = init_params->queues_num;
+
+ rte_bbdev_log(INFO, "Setting Up %s: DevId=%d, ModemId=%d",
+ name, bbdev->data->dev_id, priv->modem_id);
bbdev->dev_ops = NULL;
bbdev->device = &vdev->device;
bbdev->data->socket_id = 0;
static int
la12xx_bbdev_probe(struct rte_vdev_device *vdev)
{
+ struct bbdev_la12xx_params init_params = {
+ 8, -1,
+ };
const char *name;
+ const char *input_args;
PMD_INIT_FUNC_TRACE();
if (name == NULL)
return -EINVAL;
- return la12xx_bbdev_create(vdev);
+ input_args = rte_vdev_device_args(vdev);
+ parse_bbdev_la12xx_params(&init_params, input_args);
+
+ return la12xx_bbdev_create(vdev, &init_params);
}
/* Uninitialise device */
};
RTE_PMD_REGISTER_VDEV(DRIVER_NAME, bbdev_la12xx_pmd_drv);
+RTE_PMD_REGISTER_PARAM_STRING(DRIVER_NAME,
+ LA12XX_MAX_NB_QUEUES_ARG"=<int>"
+ LA12XX_VDEV_MODEM_ID_ARG "=<int> ");
RTE_LOG_REGISTER_DEFAULT(bbdev_la12xx_logtype, NOTICE);