X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fbus%2Fpci%2Frte_bus_pci.h;h=583470e831ddbd39953660221b4f07742c83aab1;hb=48fbc1be82b551e41c58e94de780fdd2ffaaeb78;hp=876abddefbcd930fd3740aedb873316d5f4c56e9;hpb=41e026c1b3fd07ee6520e3d5d4ec0787d0dac300;p=dpdk.git diff --git a/drivers/bus/pci/rte_bus_pci.h b/drivers/bus/pci/rte_bus_pci.h index 876abddefb..583470e831 100644 --- a/drivers/bus/pci/rte_bus_pci.h +++ b/drivers/bus/pci/rte_bus_pci.h @@ -8,8 +8,7 @@ /** * @file - * - * RTE PCI Bus Interface + * PCI device & driver interface */ #ifdef __cplusplus @@ -91,37 +90,33 @@ struct rte_pci_device { #define RTE_ETH_DEV_TO_PCI(eth_dev) RTE_DEV_TO_PCI((eth_dev)->device) -/** Any PCI device identifier (vendor, device, ...) */ -#define PCI_ANY_ID (0xffff) -#define RTE_CLASS_ANY_ID (0xffffff) - #ifdef __cplusplus /** C++ macro used to help building up tables of device IDs */ #define RTE_PCI_DEVICE(vend, dev) \ RTE_CLASS_ANY_ID, \ (vend), \ (dev), \ - PCI_ANY_ID, \ - PCI_ANY_ID + RTE_PCI_ANY_ID, \ + RTE_PCI_ANY_ID #else /** Macro used to help building up tables of device IDs */ #define RTE_PCI_DEVICE(vend, dev) \ .class_id = RTE_CLASS_ANY_ID, \ .vendor_id = (vend), \ .device_id = (dev), \ - .subsystem_vendor_id = PCI_ANY_ID, \ - .subsystem_device_id = PCI_ANY_ID + .subsystem_vendor_id = RTE_PCI_ANY_ID, \ + .subsystem_device_id = RTE_PCI_ANY_ID #endif /** * Initialisation function for the driver called during PCI probing. */ -typedef int (pci_probe_t)(struct rte_pci_driver *, struct rte_pci_device *); +typedef int (rte_pci_probe_t)(struct rte_pci_driver *, struct rte_pci_device *); /** * Uninitialisation function for the driver called during hotplugging. */ -typedef int (pci_remove_t)(struct rte_pci_device *); +typedef int (rte_pci_remove_t)(struct rte_pci_device *); /** * Driver-specific DMA mapping. After a successful call the device @@ -168,8 +163,8 @@ struct rte_pci_driver { TAILQ_ENTRY(rte_pci_driver) next; /**< Next in list. */ struct rte_driver driver; /**< Inherit core driver. */ struct rte_pci_bus *bus; /**< PCI bus reference. */ - pci_probe_t *probe; /**< Device Probe function. */ - pci_remove_t *remove; /**< Device Remove function. */ + rte_pci_probe_t *probe; /**< Device probe function. */ + rte_pci_remove_t *remove; /**< Device remove function. */ pci_dma_map_t *dma_map; /**< device dma map function. */ pci_dma_unmap_t *dma_unmap; /**< device dma unmap function. */ const struct rte_pci_id *id_table; /**< ID table, NULL terminated. */ @@ -253,6 +248,20 @@ void rte_pci_dump(FILE *f); __rte_experimental off_t rte_pci_find_ext_capability(struct rte_pci_device *dev, uint32_t cap); +/** + * Enables/Disables Bus Master for device's PCI command register. + * + * @param dev + * A pointer to rte_pci_device structure. + * @param enable + * Enable or disable Bus Master. + * + * @return + * 0 on success, -1 on error in PCI config space read/write. + */ +__rte_experimental +int rte_pci_set_bus_master(struct rte_pci_device *dev, bool enable); + /** * Register a PCI driver. *