[dpdk-dev] [PATCH v11 16/25] bus/vdev: add device matching field driver

[Gaetan Rivet]

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.ri...@6wind.com>
---
 drivers/bus/vdev/vdev_params.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/drivers/bus/vdev/vdev_params.c b/drivers/bus/vdev/vdev_params.c
index 842a4684e..2f55f451f 100644
--- a/drivers/bus/vdev/vdev_params.c
+++ b/drivers/bus/vdev/vdev_params.c
@@ -4,6 +4,7 @@
 
 #include <rte_dev.h>
 #include <rte_bus.h>
+#include <rte_bus_vdev.h>
 #include <rte_kvargs.h>
 #include <rte_errno.h>
 
@@ -11,10 +12,12 @@
 #include "vdev_private.h"
 
 enum vdev_params {
+       RTE_VDEV_PARAMS_DRIVER,
        RTE_VDEV_PARAMS_MAX,
 };
 
 static const char * const vdev_params_keys[] = {
+       [RTE_VDEV_PARAMS_DRIVER] = "driver",
        [RTE_VDEV_PARAMS_MAX] = NULL,
 };
 
@@ -23,9 +26,17 @@ 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",
+               rte_kvargs_strcmp,
+               (void *)(intptr_t)vdev->device.driver->name))
+               return -1;
        return 0;
 }
 
-- 
2.18.0