/**
* @file
- *
- * RTE PCI Bus Interface
+ * PCI device & driver interface
*/
#ifdef __cplusplus
#include <stdlib.h>
#include <limits.h>
#include <errno.h>
-#include <sys/queue.h>
#include <stdint.h>
#include <inttypes.h>
struct rte_pci_driver;
/** List of PCI devices */
-TAILQ_HEAD(rte_pci_device_list, rte_pci_device);
+RTE_TAILQ_HEAD(rte_pci_device_list, rte_pci_device);
/** List of PCI drivers */
-TAILQ_HEAD(rte_pci_driver_list, rte_pci_driver);
+RTE_TAILQ_HEAD(rte_pci_driver_list, rte_pci_driver);
/* PCI Bus iterators */
#define FOREACH_DEVICE_ON_PCIBUS(p) \
- TAILQ_FOREACH(p, &(rte_pci_bus.device_list), next)
+ RTE_TAILQ_FOREACH(p, &(rte_pci_bus.device_list), next)
#define FOREACH_DRIVER_ON_PCIBUS(p) \
- TAILQ_FOREACH(p, &(rte_pci_bus.driver_list), next)
+ RTE_TAILQ_FOREACH(p, &(rte_pci_bus.driver_list), next)
struct rte_devargs;
* A structure describing a PCI device.
*/
struct rte_pci_device {
- TAILQ_ENTRY(rte_pci_device) next; /**< Next probed PCI device. */
+ RTE_TAILQ_ENTRY(rte_pci_device) next; /**< Next probed PCI device. */
struct rte_device device; /**< Inherit core device */
struct rte_pci_addr addr; /**< PCI location. */
struct rte_pci_id id; /**< PCI ID. */
struct rte_mem_resource mem_resource[PCI_MAX_RESOURCE];
/**< PCI Memory Resource */
- struct rte_intr_handle intr_handle; /**< Interrupt handle */
+ struct rte_intr_handle *intr_handle; /**< Interrupt handle */
struct rte_pci_driver *driver; /**< PCI driver used in probing */
uint16_t max_vfs; /**< sriov enable if not zero */
enum rte_pci_kernel_driver kdrv; /**< Kernel driver passthrough */
char name[PCI_PRI_STR_SIZE+1]; /**< PCI location (ASCII) */
- struct rte_intr_handle vfio_req_intr_handle;
+ struct rte_intr_handle *vfio_req_intr_handle;
/**< Handler of VFIO request interrupt */
};
/**
* 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
* A structure describing a PCI driver.
*/
struct rte_pci_driver {
- TAILQ_ENTRY(rte_pci_driver) next; /**< Next in list. */
+ RTE_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. */
__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.
*