[dpdk-dev] [PATCH v1 17/18] bus/vdev: add device matching field driver

Gaetan Rivet gaetan.rivet at 6wind.com
Thu Mar 15 18:49:47 CET 2018


The vdev bus parses a field "driver", matching
a vdev driver name with one passed as follows:

   "bus=vdev,driver=xxxx"

Signed-off-by: Gaetan Rivet <gaetan.rivet at 6wind.com>
---
 drivers/bus/vdev/vdev.c | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/drivers/bus/vdev/vdev.c b/drivers/bus/vdev/vdev.c
index d695bdf24..154d5e4bb 100644
--- a/drivers/bus/vdev/vdev.c
+++ b/drivers/bus/vdev/vdev.c
@@ -417,13 +417,31 @@ vdev_unplug(struct rte_device *dev)
 }
 
 static int
+vdev_str_kv_cmp(const char *key __rte_unused,
+	     const char *value,
+	     void *_str)
+{
+	const  char *str = _str;
+
+	return strcmp(str, value);
+}
+
+static int
 vdev_dev_match(const struct rte_device *dev,
 	       const void *_kvlist)
 {
 	const struct rte_kvargs *kvlist = _kvlist;
+	const struct rte_vdev_device *vdev;
 
-	(void) kvlist;
-	(void) dev;
+	if (kvlist == NULL)
+		/* Empty string matches everything. */
+		return 0;
+	vdev = RTE_DEV_TO_VDEV_CONST(dev);
+	/* if any field does not match. */
+	if (rte_kvargs_process(kvlist, "driver",
+		&vdev_str_kv_cmp,
+		(void *)(intptr_t)vdev->device.driver->name))
+		return 1;
 	return 0;
 }
 
-- 
2.11.0



More information about the dev mailing list