X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Finclude%2Frte_dev.h;h=6cc9b017ca83bcf87c5e1737bd65b3f494055d59;hb=e8c528cb92840ea334adf69f08264569710964c5;hp=f1b550794057df743d6bdec7bcc7f81590d3409d;hpb=b974e4a40cb579b2bacbacfce1edff3d9cb717b5;p=dpdk.git diff --git a/lib/librte_eal/common/include/rte_dev.h b/lib/librte_eal/common/include/rte_dev.h index f1b5507940..6cc9b017ca 100644 --- a/lib/librte_eal/common/include/rte_dev.h +++ b/lib/librte_eal/common/include/rte_dev.h @@ -178,12 +178,56 @@ int rte_eal_vdev_init(const char *name, const char *args); */ int rte_eal_vdev_uninit(const char *name); -#define PMD_REGISTER_DRIVER(d)\ -void devinitfn_ ##d(void);\ -void __attribute__((constructor, used)) devinitfn_ ##d(void)\ +/** + * Attach a device to a registered driver. + * + * @param name + * The device name, that refers to a pci device (or some private + * way of designating a vdev device). Based on this device name, eal + * will identify a driver capable of handling it and pass it to the + * driver probing function. + * @param devargs + * Device arguments to be passed to the driver. + * @return + * 0 on success, negative on error. + */ +int rte_eal_dev_attach(const char *name, const char *devargs); + +/** + * Detach a device from its driver. + * + * @param name + * Same description as for rte_eal_dev_attach(). + * Here, eal will call the driver detaching function. + * @return + * 0 on success, negative on error. + */ +int rte_eal_dev_detach(const char *name); + +#define DRIVER_EXPORT_NAME_ARRAY(n, idx) n##idx[] + +#define DRIVER_EXPORT_NAME(name, idx) \ +static const char DRIVER_EXPORT_NAME_ARRAY(this_pmd_name, idx) \ +__attribute__((used)) = RTE_STR(name) + +#define PMD_REGISTER_DRIVER(drv, nm)\ +RTE_INIT(probefn_ ##drv);\ +static void probefn_ ##drv(void)\ {\ - rte_eal_driver_register(&d);\ -} + (drv).name = RTE_STR(nm);\ + rte_eal_driver_register(&drv);\ +} \ +DRIVER_EXPORT_NAME(nm, __COUNTER__) + +#define DRV_EXP_TAG(name, tag) __##name##_##tag + +#define DRIVER_REGISTER_PCI_TABLE(name, table) \ +static const char DRV_EXP_TAG(name, pci_tbl_export)[] __attribute__((used)) = \ +RTE_STR(table) + +#define DRIVER_REGISTER_PARAM_STRING(name, str) \ +static const char DRV_EXP_TAG(name, param_string_export)[] \ +__attribute__((used)) = str #ifdef __cplusplus }