diff mbox

[dpdk-dev,2/9] bus: add device iterator

Message ID 1265dd88039c4750a8ca7b22d32f578c8fd92fd2.1495637723.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State Superseded, archived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 May 24, 2017, 3:04 p.m. UTC 
  From: Jan Blunck <jblunck@infradead.org>

Signed-off-by: Jan Blunck <jblunck@infradead.org>
---
 lib/librte_eal/common/eal_common_bus.c  | 1 +
 lib/librte_eal/common/include/rte_bus.h | 8 ++++++++
 2 files changed, 9 insertions(+)
diff mbox

Patch

diff --git a/lib/librte_eal/common/eal_common_bus.c b/lib/librte_eal/common/eal_common_bus.c
index 5e33129..41926fb 100644
--- a/lib/librte_eal/common/eal_common_bus.c
+++ b/lib/librte_eal/common/eal_common_bus.c
@@ -50,6 +50,7 @@  rte_bus_register(struct rte_bus *bus)
 	/* A bus should mandatorily have the scan implemented */
 	RTE_VERIFY(bus->scan);
 	RTE_VERIFY(bus->probe);
+	RTE_VERIFY(bus->find_device);
 
 	TAILQ_INSERT_TAIL(&rte_bus_list, bus, next);
 	RTE_LOG(DEBUG, EAL, "Registered [%s] bus.\n", bus->name);
diff --git a/lib/librte_eal/common/include/rte_bus.h b/lib/librte_eal/common/include/rte_bus.h
index 66856bb..fe31f03 100644
--- a/lib/librte_eal/common/include/rte_bus.h
+++ b/lib/librte_eal/common/include/rte_bus.h
@@ -82,6 +82,13 @@  typedef int (*rte_bus_scan_t)(void);
 typedef int (*rte_bus_probe_t)(void);
 
 /**
+ * Device iterator to find a particular device on a bus.
+ */
+typedef struct rte_device * (*rte_bus_find_device_t)(
+	int (*match)(const struct rte_device *dev, const void *data),
+	const void *data);
+
+/**
  * A structure describing a generic bus.
  */
 struct rte_bus {
@@ -89,6 +96,7 @@  struct rte_bus {
 	const char *name;            /**< Name of the bus */
 	rte_bus_scan_t scan;         /**< Scan for devices attached to bus */
 	rte_bus_probe_t probe;       /**< Probe devices on bus */
+	rte_bus_find_device_t find_device; /**< Find device on bus */
 };
 
 /**