X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fbus%2Fifpga%2Fifpga_bus.c;h=addbc3e86bf697d955fbf9ed0ccbe87d7a976e42;hb=d84612e9bd6b2f106558ffb515d32000288ee73d;hp=5f23ed8b4263e7690b208880ba89fffaa93a4d65;hpb=e9d159c3d5346914934e5fc4f305c9c23aac74c2;p=dpdk.git

diff --git a/drivers/bus/ifpga/ifpga_bus.c b/drivers/bus/ifpga/ifpga_bus.c
index 5f23ed8b42..addbc3e86b 100644
--- a/drivers/bus/ifpga/ifpga_bus.c
+++ b/drivers/bus/ifpga/ifpga_bus.c
@@ -24,6 +24,7 @@
 #include <rte_kvargs.h>
 #include <rte_alarm.h>
 #include <rte_string_fns.h>
+#include <rte_debug.h>
 
 #include "rte_rawdev.h"
 #include "rte_rawdev_pmd.h"
@@ -73,6 +74,19 @@ ifpga_find_afu_dev(const struct rte_rawdev *rdev,
 	return NULL;
 }
 
+struct rte_afu_device *
+rte_ifpga_find_afu_by_name(const char *name)
+{
+	struct rte_afu_device *afu_dev = NULL;
+
+	TAILQ_FOREACH(afu_dev, &ifpga_afu_dev_list, next) {
+		if (afu_dev &&
+			!strcmp(afu_dev->device.name, name))
+			return afu_dev;
+	}
+	return NULL;
+}
+
 static const char * const valid_args[] = {
 #define IFPGA_ARG_NAME         "ifpga"
 	IFPGA_ARG_NAME,
@@ -125,15 +139,13 @@ ifpga_scan_one(struct rte_rawdev *rawdev,
 				     IFPGA_AFU_BTS);
 			goto end;
 		}
+		afu_pr_conf.pr_enable = 1;
 	} else {
-		IFPGA_BUS_ERR("arg %s is mandatory for ifpga bus",
-			  IFPGA_AFU_BTS);
-		goto end;
+		afu_pr_conf.pr_enable = 0;
 	}
 
 	afu_pr_conf.afu_id.uuid.uuid_low = 0;
 	afu_pr_conf.afu_id.uuid.uuid_high = 0;
-	afu_pr_conf.pr_enable = path?1:0;
 
 	if (ifpga_find_afu_dev(rawdev, &afu_pr_conf.afu_id))
 		goto end;
@@ -308,12 +320,19 @@ ifpga_probe_all_drivers(struct rte_afu_device *afu_dev)
 	}
 
 	TAILQ_FOREACH(drv, &ifpga_afu_drv_list, next) {
-		if (ifpga_probe_one_driver(drv, afu_dev)) {
-			ret = -1;
-			break;
-		}
+		ret = ifpga_probe_one_driver(drv, afu_dev);
+		if (ret < 0)
+			/* negative value is an error */
+			return ret;
+		if (ret > 0)
+			/* positive value means driver doesn't support it */
+			continue;
+		return 0;
 	}
-	return ret;
+	if ((ret > 0) && (afu_dev->driver == NULL))
+		return 0;
+	else
+		return ret;
 }
 
 /*