diff mbox

[dpdk-dev,v1,14/18] bus/pci: add device matching field id

Message ID 9a16b44d32884d0aadf07960099edf58cb227a97.1521124599.git.gaetan.rivet@6wind.com (mailing list archive)
State Superseded, archived
Headers

Checks

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

Commit Message

Gaëtan Rivet March 15, 2018, 5:49 p.m. UTC 
  The PCI bus can now parse a matching field "id" as follows:

   "bus=pci,id=0000:00:00.0"

           or

   "bus=pci,id=00:00.0"

Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
---
 drivers/bus/pci/pci_common.c | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/drivers/bus/pci/pci_common.c b/drivers/bus/pci/pci_common.c
index 482c96df2..6cf1279c3 100644
--- a/drivers/bus/pci/pci_common.c
+++ b/drivers/bus/pci/pci_common.c
@@ -499,13 +499,35 @@  pci_unplug(struct rte_device *dev)
 }
 
 static int
+pci_addr_kv_cmp(const char *key __rte_unused,
+		const char *value,
+		void *_addr2)
+{
+	struct rte_pci_addr _addr1;
+	struct rte_pci_addr *addr1 = &_addr1;
+	struct rte_pci_addr *addr2 = _addr2;
+
+	if (rte_pci_addr_parse(value, addr1))
+		return -1;
+	return rte_pci_addr_cmp(addr1, addr2);
+}
+
+static int
 pci_dev_match(const struct rte_device *dev,
 	      const void *_kvlist)
 {
 	const struct rte_kvargs *kvlist = _kvlist;
+	const struct rte_pci_device *pdev;
 
-	(void) dev;
-	(void) kvlist;
+	if (kvlist == NULL)
+		/* Empty string matches everything. */
+		return 0;
+	pdev = RTE_DEV_TO_PCI_CONST(dev);
+	/* if any field does not match. */
+	if (rte_kvargs_process(kvlist, "id",
+			       &pci_addr_kv_cmp,
+			       (void *)(intptr_t)&pdev->addr))
+		return 1;
 	return 0;
 }