This patch implements the plug and unplug function to support attach/detach of dpni interfaces.
Signed-off-by: Hemant Agrawal <[email protected]> --- drivers/bus/fslmc/fslmc_bus.c | 56 +++++++++++++++++++++++++++++++---- 1 file changed, 50 insertions(+), 6 deletions(-) diff --git a/drivers/bus/fslmc/fslmc_bus.c b/drivers/bus/fslmc/fslmc_bus.c index 49c61c9d2d..4529ec5085 100644 --- a/drivers/bus/fslmc/fslmc_bus.c +++ b/drivers/bus/fslmc/fslmc_bus.c @@ -589,17 +589,61 @@ rte_dpaa2_get_iommu_class(void) } static int -fslmc_bus_plug(struct rte_device *dev __rte_unused) +fslmc_bus_plug(struct rte_device *rte_dev) { - /* No operation is performed while plugging the device */ - return 0; + int ret = 0; + struct rte_dpaa2_device *dev = container_of(rte_dev, + struct rte_dpaa2_device, device); + struct rte_dpaa2_driver *drv; + + TAILQ_FOREACH(drv, &rte_fslmc_bus.driver_list, next) { + ret = rte_fslmc_match(drv, dev); + if (ret) + continue; + + if (!drv->probe) + continue; + + if (rte_dev_is_probed(&dev->device)) + continue; + + if (dev->device.devargs && + dev->device.devargs->policy == RTE_DEV_BLOCKED) { + DPAA2_BUS_DEBUG("%s Blocked, skipping", + dev->device.name); + continue; + } + + ret = drv->probe(drv, dev); + if (ret) { + DPAA2_BUS_ERR("Unable to probe"); + } else { + dev->driver = drv; + dev->device.driver = &drv->driver; + DPAA2_BUS_INFO("%s Plugged", dev->device.name); + } + break; + } + + return ret; } static int -fslmc_bus_unplug(struct rte_device *dev __rte_unused) +fslmc_bus_unplug(struct rte_device *rte_dev) { - /* No operation is performed while unplugging the device */ - return 0; + struct rte_dpaa2_device *dev = container_of(rte_dev, + struct rte_dpaa2_device, device); + struct rte_dpaa2_driver *drv = dev->driver; + + if (drv && drv->remove) { + drv->remove(dev); + dev->driver = NULL; + dev->device.driver = NULL; + DPAA2_BUS_INFO("%s Un-Plugged", dev->device.name); + return 0; + } + + return -ENODEV; } static void * -- 2.25.1
