[dpdk-dev] [PATCH v7 04/15] pci: implement find_device bus operation
Jan Blunck
jblunck at infradead.org
Thu Jun 29 20:21:55 CEST 2017
Signed-off-by: Jan Blunck <jblunck at infradead.org>
---
lib/librte_eal/common/eal_common_pci.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/lib/librte_eal/common/eal_common_pci.c b/lib/librte_eal/common/eal_common_pci.c
index 479c62d..e449758 100644
--- a/lib/librte_eal/common/eal_common_pci.c
+++ b/lib/librte_eal/common/eal_common_pci.c
@@ -485,10 +485,31 @@ rte_pci_remove_device(struct rte_pci_device *pci_dev)
TAILQ_REMOVE(&rte_pci_bus.device_list, pci_dev, next);
}
+static struct rte_device *
+pci_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
+ const void *data)
+{
+ struct rte_pci_device *dev;
+ bool start_found = !start;
+
+ FOREACH_DEVICE_ON_PCIBUS(dev) {
+ if (!start_found) {
+ if (&dev->device == start)
+ start_found = 1;
+ continue;
+ }
+ if (cmp(&dev->device, data) == 0)
+ return &dev->device;
+ }
+
+ return NULL;
+}
+
struct rte_pci_bus rte_pci_bus = {
.bus = {
.scan = rte_pci_scan,
.probe = rte_pci_probe,
+ .find_device = pci_find_device,
},
.device_list = TAILQ_HEAD_INITIALIZER(rte_pci_bus.device_list),
.driver_list = TAILQ_HEAD_INITIALIZER(rte_pci_bus.driver_list),
--
2.9.4
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