[dpdk-dev,v8,14/14] dev: use new hotplug API in attach
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Commit Message
Using the new hotplug API allows attach to be backwards compatible while
decoupling it from the concrete bus implementations.
Signed-off-by: Jan Blunck <jblunck@infradead.org>
---
lib/librte_eal/common/eal_common_dev.c | 27 +++++++++++++--------------
1 file changed, 13 insertions(+), 14 deletions(-)
@@ -67,27 +67,26 @@ static int cmp_dev_name(const struct rte_device *dev, const void *_name)
int rte_eal_dev_attach(const char *name, const char *devargs)
{
- struct rte_pci_addr addr;
+ int ret;
if (name == NULL || devargs == NULL) {
RTE_LOG(ERR, EAL, "Invalid device or arguments provided\n");
return -EINVAL;
}
- if (eal_parse_pci_DomBDF(name, &addr) == 0) {
- if (rte_pci_probe_one(&addr) < 0)
- goto err;
-
- } else {
- if (rte_vdev_init(name, devargs))
- goto err;
- }
-
- return 0;
+ ret = rte_eal_hotplug_add("PCI", name, devargs);
+ if (ret && ret != -EINVAL)
+ return ret;
-err:
- RTE_LOG(ERR, EAL, "Driver cannot attach the device (%s)\n", name);
- return -EINVAL;
+ /*
+ * If we haven't found a bus device the user meant to "hotplug" a
+ * virtual device instead.
+ */
+ ret = rte_vdev_init(name, devargs);
+ if (ret)
+ RTE_LOG(ERR, EAL, "Driver cannot attach the device (%s)\n",
+ name);
+ return ret;
}
int rte_eal_dev_detach(struct rte_device *dev)