bus/dpaa: enable link state interrupt

[dpdk.git] / drivers / bus / dpaa / dpaa_bus.c

diff --git a/drivers/bus/dpaa/dpaa_bus.c b/drivers/bus/dpaa/dpaa_bus.c
index aa906c3..32e872d 100644 (file)
--- a/drivers/bus/dpaa/dpaa_bus.c
+++ b/drivers/bus/dpaa/dpaa_bus.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
- *   Copyright 2017-2019 NXP
+ *   Copyright 2017-2020 NXP
  *
  */
 /* System headers */
@@ -13,6 +13,7 @@
 #include <pthread.h>
 #include <sys/types.h>
 #include <sys/syscall.h>
+#include <sys/eventfd.h>
 
 #include <rte_byteorder.h>
 #include <rte_common.h>
@@ -542,6 +543,23 @@ rte_dpaa_bus_dev_build(void)
        return 0;
 }
 
+static int rte_dpaa_setup_intr(struct rte_intr_handle *intr_handle)
+{
+       int fd;
+
+       fd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
+       if (fd < 0) {
+               DPAA_BUS_ERR("Cannot set up eventfd, error %i (%s)",
+                            errno, strerror(errno));
+               return errno;
+       }
+
+       intr_handle->fd = fd;
+       intr_handle->type = RTE_INTR_HANDLE_EXT;
+
+       return 0;
+}
+
 static int
 rte_dpaa_bus_probe(void)
 {
@@ -589,6 +607,14 @@ rte_dpaa_bus_probe(void)
                fclose(svr_file);
        }
 
+       TAILQ_FOREACH(dev, &rte_dpaa_bus.device_list, next) {
+               if (dev->device_type == FSL_DPAA_ETH) {
+                       ret = rte_dpaa_setup_intr(&dev->intr_handle);
+                       if (ret)
+                               DPAA_BUS_ERR("Error setting up interrupt.\n");
+               }
+       }
+
        /* And initialize the PA->VA translation table */
        dpaax_iova_table_populate();