RTE_KDRV_IGB_UIO,
RTE_KDRV_VFIO,
RTE_KDRV_UIO_GENERIC,
+ RTE_KDRV_NIC_UIO,
};
/**
/** Device driver supports detaching capability */
#define RTE_PCI_DRV_DETACHABLE 0x0010
+/**
+ * A structure describing a PCI mapping.
+ */
+struct pci_map {
+ void *addr;
+ char *path;
+ uint64_t offset;
+ uint64_t size;
+ uint64_t phaddr;
+};
+
+/**
+ * A structure describing a mapped PCI resource.
+ * For multi-process we need to reproduce all PCI mappings in secondary
+ * processes, so save them in a tailq.
+ */
+struct mapped_pci_resource {
+ TAILQ_ENTRY(mapped_pci_resource) next;
+
+ struct rte_pci_addr pci_addr;
+ char path[PATH_MAX];
+ int nb_maps;
+ struct pci_map maps[PCI_MAX_RESOURCE];
+};
+
+/** mapped pci device list */
+TAILQ_HEAD(mapped_pci_res_list, mapped_pci_resource);
+
/**< Internal use only - Macro used by pci addr parsing functions **/
#define GET_PCIADDR_FIELD(in, fd, lim, dlm) \
do { \
*/
int rte_eal_pci_probe(void);
+/**
+ * @internal
+ * Map a particular resource from a file.
+ *
+ * @param requested_addr
+ * The starting address for the new mapping range.
+ * @param fd
+ * The file descriptor.
+ * @param offset
+ * The offset for the mapping range.
+ * @param size
+ * The size for the mapping range.
+ * @param additional_flags
+ * The additional flags for the mapping range.
+ * @return
+ * - On success, the function returns a pointer to the mapped area.
+ * - On error, the value MAP_FAILED is returned.
+ */
+void *pci_map_resource(void *requested_addr, int fd, off_t offset,
+ size_t size, int additional_flags);
+
+/**
+ * @internal
+ * Unmap a particular resource.
+ *
+ * @param requested_addr
+ * The address for the unmapping range.
+ * @param size
+ * The size for the unmapping range.
+ */
+void pci_unmap_resource(void *requested_addr, size_t size);
+
#ifdef RTE_LIBRTE_EAL_HOTPLUG
/**
* Probe the single PCI device.