[dpdk-dev] [PATCH v7 03/15] vdev: implement find_device bus operation
Jan Blunck
jblunck at infradead.org
Thu Jun 29 20:21:54 CEST 2017
Signed-off-by: Jan Blunck <jblunck at infradead.org>
Signed-off-by: Gaetan Rivet <gaetan.rivet at 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 b4db2be..9bb7427 100644
--- a/lib/librte_eal/common/eal_common_vdev.c
+++ b/lib/librte_eal/common/eal_common_vdev.c
@@ -35,6 +35,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
+#include <stdbool.h>
#include <sys/queue.h>
#include <rte_eal.h>
@@ -334,9 +335,29 @@ vdev_probe(void)
return 0;
}
+static struct rte_device *
+vdev_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
+ const void *data)
+{
+ struct rte_vdev_device *dev;
+ bool start_found = !start;
+
+ 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_REGISTER_BUS(VIRTUAL_BUS_NAME, rte_vdev_bus);
--
2.9.4
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