#include <inttypes.h>
#include <sys/queue.h>
+#include <rte_compat.h>
#include <rte_bus.h>
#include <rte_dev.h>
#include <rte_devargs.h>
int rte_eal_dev_attach(const char *name, const char *devargs)
{
struct rte_bus *bus;
- int ret;
if (name == NULL || devargs == NULL) {
RTE_LOG(ERR, EAL, "Invalid device or arguments provided\n");
name);
return -EINVAL;
}
- if (strcmp(bus->name, "pci") == 0)
- return rte_eal_hotplug_add("pci", name, devargs);
- if (strcmp(bus->name, "vdev") != 0) {
- RTE_LOG(ERR, EAL, "Device attach is only supported for PCI and vdev devices.\n");
- return -ENOTSUP;
- }
+ if (strcmp(bus->name, "pci") == 0 || strcmp(bus->name, "vdev") == 0)
+ return rte_eal_hotplug_add(bus->name, name, devargs);
- /*
- * 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;
+ RTE_LOG(ERR, EAL,
+ "Device attach is only supported for PCI and vdev devices.\n");
+
+ return -ENOTSUP;
}
int rte_eal_dev_detach(struct rte_device *dev)
char *name;
size_t len;
- len = strlen(bus) + 1 +
- strlen(dev) + 1 +
- strlen(args) + 1;
+ len = snprintf(NULL, 0, "%s:%s,%s", bus, dev, args) + 1;
name = calloc(1, len);
if (name == NULL) {
RTE_LOG(ERR, EAL, "Could not allocate full device name\n");
return NULL;
}
- snprintf(name, len, "%s:%s,%s", bus, dev,
- args ? args : "");
+ snprintf(name, len, "%s:%s,%s", bus, dev, args);
return name;
}
-int rte_eal_hotplug_add(const char *busname, const char *devname,
+int __rte_experimental rte_eal_hotplug_add(const char *busname, const char *devname,
const char *devargs)
{
struct rte_bus *bus;
return 0;
err_devarg:
- rte_eal_devargs_remove(busname, devname);
+ if (rte_eal_devargs_remove(busname, devname)) {
+ free(da->args);
+ free(da);
+ }
err_name:
free(name);
return ret;
}
-int rte_eal_hotplug_remove(const char *busname, const char *devname)
+int __rte_experimental
+rte_eal_hotplug_remove(const char *busname, const char *devname)
{
struct rte_bus *bus;
struct rte_device *dev;