bus/fslmc: implement method to find device

Signed-off-by: Jan Blunck <jblunck@infradead.org>

diff --git a/drivers/bus/fslmc/fslmc_bus.c b/drivers/bus/fslmc/fslmc_bus.c
index b24642d..1e3bbee 100644 (file)
--- a/drivers/bus/fslmc/fslmc_bus.c
+++ b/drivers/bus/fslmc/fslmc_bus.c
@@ -32,6 +32,7 @@
 
 #include <string.h>
 #include <dirent.h>
+#include <stdbool.h>
 
 #include <rte_log.h>
 #include <rte_bus.h>
@@ -105,6 +106,27 @@ rte_fslmc_probe(void)
        return ret;
 }
 
+static struct rte_device *
+rte_fslmc_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
+                     const void *data)
+{
+       struct rte_dpaa2_device *dev;
+       bool start_found = !start;
+
+       TAILQ_FOREACH(dev, &rte_fslmc_bus.device_list, next) {
+               if (!start_found) {
+                       if (&dev->device == start)
+                               start_found = 1;
+                       continue;
+               }
+
+               if (cmp(&dev->device, data) == 0)
+                       return &dev->device;
+       }
+
+       return NULL;
+}
+
 /*register a fslmc bus based dpaa2 driver */
 void
 rte_fslmc_driver_register(struct rte_dpaa2_driver *driver)
@@ -133,6 +155,7 @@ struct rte_fslmc_bus rte_fslmc_bus = {
        .bus = {
                .scan = rte_fslmc_scan,
                .probe = rte_fslmc_probe,
+               .find_device = rte_fslmc_find_device,
        },
        .device_list = TAILQ_HEAD_INITIALIZER(rte_fslmc_bus.device_list),
        .driver_list = TAILQ_HEAD_INITIALIZER(rte_fslmc_bus.driver_list),