[v11,16/25] bus/vdev: add device matching field driver
diff mbox series

Message ID d7c99337d84f70f75b8d21ad49d8239d4f26c55e.1531345404.git.gaetan.rivet@6wind.com
State Superseded, archived
Delegated to: Thomas Monjalon
Headers show
Series
  • Device querying
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Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Gaëtan Rivet July 11, 2018, 9:45 p.m. UTC
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@6wind.com>
---
 drivers/bus/vdev/vdev_params.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

Patch
diff mbox series

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;
 }