X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fbus%2Fpci%2Fpci_common.c;h=b3879a9ade5f2a34e8b2af1cc089749539f5f5a2;hb=73d15621039f130c88c776fb1cfb9eb2644902d1;hp=7215aaec3add29ad84c68fb34cb3b105ee45fe1b;hpb=64de7e4069b9b84b0f2d840b44e334233412d55f;p=dpdk.git diff --git a/drivers/bus/pci/pci_common.c b/drivers/bus/pci/pci_common.c index 7215aaec3a..b3879a9ade 100644 --- a/drivers/bus/pci/pci_common.c +++ b/drivers/bus/pci/pci_common.c @@ -26,6 +26,9 @@ #include "private.h" + +static void rte_pci_remove_device(struct rte_pci_device *pci_device); + extern struct rte_pci_bus rte_pci_bus; #define SYSFS_PCI_DEVICES "/sys/bus/pci/devices" @@ -69,7 +72,7 @@ pci_name_set(struct rte_pci_device *dev) */ if (devargs != NULL) /* If an rte_devargs exists, the generic rte_device uses the - * given name as its namea + * given name as its name. */ dev->device.name = dev->device.devargs->name; else @@ -155,17 +158,24 @@ rte_pci_probe_one_driver(struct rte_pci_driver *dr, RTE_LOG(INFO, EAL, " probe driver: %x:%x %s\n", dev->id.vendor_id, dev->id.device_id, dr->driver.name); + /* + * reference driver structure + * This needs to be before rte_pci_map_device(), as it enables to use + * driver flags for adjusting configuration. + */ + dev->driver = dr; + dev->device.driver = &dr->driver; + if (dr->drv_flags & RTE_PCI_DRV_NEED_MAPPING) { /* map resources for devices that use igb_uio */ ret = rte_pci_map_device(dev); - if (ret != 0) + if (ret != 0) { + dev->driver = NULL; + dev->device.driver = NULL; return ret; + } } - /* reference driver structure */ - dev->driver = dr; - dev->device.driver = &dr->driver; - /* call the driver probe() function */ ret = dr->probe(dr, dev); if (ret) { @@ -254,81 +264,6 @@ pci_probe_all_drivers(struct rte_pci_device *dev) return 1; } -/* - * Find the pci device specified by pci address, then invoke probe function of - * the driver of the device. - */ -int -rte_pci_probe_one(const struct rte_pci_addr *addr) -{ - struct rte_pci_device *dev = NULL; - - int ret = 0; - - if (addr == NULL) - return -1; - - /* update current pci device in global list, kernel bindings might have - * changed since last time we looked at it. - */ - if (pci_update_device(addr) < 0) - goto err_return; - - FOREACH_DEVICE_ON_PCIBUS(dev) { - if (rte_pci_addr_cmp(&dev->addr, addr)) - continue; - - ret = pci_probe_all_drivers(dev); - if (ret) - goto err_return; - return 0; - } - return -1; - -err_return: - RTE_LOG(WARNING, EAL, - "Requested device " PCI_PRI_FMT " cannot be used\n", - addr->domain, addr->bus, addr->devid, addr->function); - return -1; -} - -/* - * Detach device specified by its pci address. - */ -int -rte_pci_detach(const struct rte_pci_addr *addr) -{ - struct rte_pci_device *dev = NULL; - int ret = 0; - - if (addr == NULL) - return -1; - - FOREACH_DEVICE_ON_PCIBUS(dev) { - if (rte_pci_addr_cmp(&dev->addr, addr)) - continue; - - ret = rte_pci_detach_dev(dev); - if (ret < 0) - /* negative value is an error */ - goto err_return; - if (ret > 0) - /* positive value means driver doesn't support it */ - continue; - - rte_pci_remove_device(dev); - free(dev); - return 0; - } - return -1; - -err_return: - RTE_LOG(WARNING, EAL, "Requested device " PCI_PRI_FMT - " cannot be used\n", dev->addr.domain, dev->addr.bus, - dev->addr.devid, dev->addr.function); - return -1; -} - /* * Scan the content of the PCI bus, and call the probe() function for * all registered drivers that have a matching entry in its id_table @@ -445,7 +380,7 @@ rte_pci_insert_device(struct rte_pci_device *exist_pci_dev, } /* Remove a device from PCI bus */ -void +static void rte_pci_remove_device(struct rte_pci_device *pci_dev) { TAILQ_REMOVE(&rte_pci_bus.device_list, pci_dev, next);