[dpdk-dev] [PATCH v2 10/15] devargs: use busname

Jan Blunck jblunck at infradead.org
Fri Jul 14 23:12:08 CEST 2017


This makes the devargs code itself require the rte_devargs type field for
properly functioning.

Signed-off-by: Jan Blunck <jblunck at infradead.org>
---
 lib/librte_eal/common/eal_common_devargs.c | 26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

diff --git a/lib/librte_eal/common/eal_common_devargs.c b/lib/librte_eal/common/eal_common_devargs.c
index 588df1410..38ba64567 100644
--- a/lib/librte_eal/common/eal_common_devargs.c
+++ b/lib/librte_eal/common/eal_common_devargs.c
@@ -199,13 +199,28 @@ rte_eal_devargs_add(enum rte_devtype devtype, const char *devargs_str)
 unsigned int
 rte_eal_devargs_type_count(enum rte_devtype devtype)
 {
+	struct rte_bus *pci_bus = rte_bus_find_by_name("pci");
+	const char *busname = "";
 	struct rte_devargs *devargs;
 	unsigned int count = 0;
 
+	switch (devtype) {
+	case RTE_DEVTYPE_WHITELISTED_PCI:
+		if (pci_bus->conf.scan_mode == RTE_BUS_SCAN_WHITELIST)
+			busname = "pci";
+		break;
+	case RTE_DEVTYPE_BLACKLISTED_PCI:
+		if (pci_bus->conf.scan_mode == RTE_BUS_SCAN_BLACKLIST)
+			busname = "pci";
+		break;
+	case RTE_DEVTYPE_VIRTUAL:
+		busname = "vdev";
+		break;
+	}
+
 	TAILQ_FOREACH(devargs, &devargs_list, next) {
-		if (devargs->type != devtype)
-			continue;
-		count++;
+		if (strcmp(busname, devargs->busname) == 0)
+			count++;
 	}
 	return count;
 }
@@ -218,8 +233,7 @@ rte_eal_devargs_dump(FILE *f)
 
 	fprintf(f, "User device list:\n");
 	TAILQ_FOREACH(devargs, &devargs_list, next) {
-		fprintf(f, "  [%s]: %s %s\n",
-			(devargs->bus ? devargs->bus->name : "??"),
-			devargs->name, devargs->args);
+		fprintf(f, "  [%s]: %s %s\n", devargs->busname,	devargs->name,
+			devargs->args);
 	}
 }
-- 
2.13.2



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