From: Stephen Hemminger <sthem...@microsoft.com>
Take device arguments from command line and put
them in the device devargs.
Signed-off-by: Stephen Hemminger <sthem...@microsoft.com>
---
drivers/bus/vmbus/linux/vmbus_bus.c | 2 ++
drivers/bus/vmbus/private.h | 3 +++
drivers/bus/vmbus/vmbus_common.c | 22 +++++++++++++++++++++-
3 files changed, 26 insertions(+), 1 deletion(-)
diff --git a/drivers/bus/vmbus/linux/vmbus_bus.c
b/drivers/bus/vmbus/linux/vmbus_bus.c
index 52d6a3c05306..527a6a39f2bc 100644
--- a/drivers/bus/vmbus/linux/vmbus_bus.c
+++ b/drivers/bus/vmbus/linux/vmbus_bus.c
@@ -276,6 +276,8 @@ vmbus_scan_one(const char *name)
dev->device.numa_node = SOCKET_ID_ANY;
}
+ dev->device.devargs = vmbus_devargs_lookup(dev);
+
/* device is valid, add in list (sorted) */
VMBUS_LOG(DEBUG, "Adding vmbus device %s", name);
diff --git a/drivers/bus/vmbus/private.h b/drivers/bus/vmbus/private.h
index 9964fc42a7b5..f2022a68cb2b 100644
--- a/drivers/bus/vmbus/private.h
+++ b/drivers/bus/vmbus/private.h
@@ -66,6 +66,9 @@ struct vmbus_channel {
#define VMBUS_MAX_CHANNELS 64
+struct rte_devargs *
+vmbus_devargs_lookup(struct rte_vmbus_device *dev);
+
int vmbus_chan_create(const struct rte_vmbus_device *device,
uint16_t relid, uint16_t subid, uint8_t monitor_id,
struct vmbus_channel **new_chan);
diff --git a/drivers/bus/vmbus/vmbus_common.c b/drivers/bus/vmbus/vmbus_common.c
index c7165ad54fe2..979fabdcbb61 100644
--- a/drivers/bus/vmbus/vmbus_common.c
+++ b/drivers/bus/vmbus/vmbus_common.c
@@ -85,7 +85,6 @@ vmbus_match(const struct rte_vmbus_driver *dr,
return false;
}
-
/*
* If device ID match, call the devinit() function of the driver.
*/
@@ -204,6 +203,27 @@ vmbus_parse(const char *name, void *addr)
return ret;
}
+/*
+ * scan for matching device args on command line
+ * example:
+ * -w 'vmbus(635a7ae3-091e-4410-ad59-667c4f8c04c3,latency=20)'
+ */
+struct rte_devargs *
+vmbus_devargs_lookup(struct rte_vmbus_device *dev)
+{
+ struct rte_devargs *devargs;
+ rte_uuid_t addr;
+
+ RTE_EAL_DEVARGS_FOREACH("vmbus", devargs) {
+ vmbus_parse(devargs->name, &addr);
+
+ if (rte_uuid_compare(dev->device_id, addr) == 0)
+ return devargs;
+ }
+ return NULL;
+
+}
+
/* register vmbus driver */
void
rte_vmbus_register(struct rte_vmbus_driver *driver)
--
2.18.0
