[dpdk-dev] [PATCH v6 06/11] vdev: implement find_device bus operation

[Gaetan Rivet]

From: Jan Blunck <jblu...@infradead.org>

Signed-off-by: Jan Blunck <jblu...@infradead.org>
Signed-off-by: Gaetan Rivet <gaetan.ri...@6wind.com>
---
 lib/librte_eal/common/eal_common_vdev.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/lib/librte_eal/common/eal_common_vdev.c 
b/lib/librte_eal/common/eal_common_vdev.c
index 0037a64..625a8e2 100644
--- a/lib/librte_eal/common/eal_common_vdev.c
+++ b/lib/librte_eal/common/eal_common_vdev.c
@@ -338,9 +338,30 @@ vdev_probe(void)
        return 0;
 }
 
+static struct rte_device *
+vdev_find_device(rte_dev_cmp_t cmp,
+                const void *data,
+                const struct rte_device *start)
+{
+       struct rte_vdev_device *dev;
+       int start_found = !!(start == NULL);
+
+       TAILQ_FOREACH(dev, &vdev_device_list, next) {
+               if (start_found == 0) {
+                       if (&dev->device == start)
+                               start_found = 1;
+                       continue;
+               }
+               if (cmp(&dev->device, data) == 0)
+                       return &dev->device;
+       }
+       return NULL;
+}
+
 static struct rte_bus rte_vdev_bus = {
        .scan = vdev_scan,
        .probe = vdev_probe,
+       .find_device = vdev_find_device,
 };
 
 RTE_INIT(rte_vdev_bus_register);
-- 
2.1.4