pci: merge uio functions for linux and bsd

[dpdk.git] / lib / librte_eal / common / eal_private.h

diff --git a/lib/librte_eal/common/eal_private.h b/lib/librte_eal/common/eal_private.h
index 4acf5a0..d41cbe1 100644 (file)
--- a/lib/librte_eal/common/eal_private.h
+++ b/lib/librte_eal/common/eal_private.h
@@ -35,6 +35,7 @@
 #define _EAL_PRIVATE_H_
 
 #include <stdio.h>
+#include <rte_pci.h>
 
 /**
  * Initialize the memzone subsystem (private to eal).
@@ -153,6 +154,25 @@ int rte_eal_ivshmem_obj_init(void);
 struct rte_pci_driver;
 struct rte_pci_device;
 
+/**
+ * Map the PCI resource of a PCI device in virtual memory
+ *
+ * This function is private to EAL.
+ *
+ * @return
+ *   0 on success, negative on error
+ */
+int pci_uio_map_resource(struct rte_pci_device *dev);
+
+#ifdef RTE_LIBRTE_EAL_HOTPLUG
+/**
+ * Unmap the PCI resource of a PCI device
+ *
+ * This function is private to EAL.
+ */
+void pci_uio_unmap_resource(struct rte_pci_device *dev);
+#endif /* RTE_LIBRTE_EAL_HOTPLUG */
+
 /**
  * Mmap memory for single PCI device
  *
@@ -179,6 +199,54 @@ int rte_eal_pci_probe_one_driver(struct rte_pci_driver *dr,
 int rte_eal_pci_close_one_driver(struct rte_pci_driver *dr,
                struct rte_pci_device *dev);
 
+/**
+ * Allocate uio resource for PCI device
+ *
+ * This function is private to EAL.
+ *
+ * @param dev
+ *   PCI device to allocate uio resource
+ * @param uio_res
+ *   Pointer to uio resource.
+ *   If the function returns 0, the pointer will be filled.
+ * @return
+ *   0 on success, negative on error
+ */
+int pci_uio_alloc_resource(struct rte_pci_device *dev,
+               struct mapped_pci_resource **uio_res);
+
+/**
+ * Free uio resource for PCI device
+ *
+ * This function is private to EAL.
+ *
+ * @param dev
+ *   PCI device to free uio resource
+ * @param uio_res
+ *   Pointer to uio resource.
+ */
+void pci_uio_free_resource(struct rte_pci_device *dev,
+               struct mapped_pci_resource *uio_res);
+
+/**
+ * Map device memory to uio resource
+ *
+ * This function is private to EAL.
+ *
+ * @param dev
+ *   PCI device that has memory information.
+ * @param res_idx
+ *   Memory resource index of the PCI device.
+ * @param uio_res
+ *  uio resource that will keep mapping information.
+ * @param map_idx
+ *   Mapping information index of the uio resource.
+ * @return
+ *   0 on success, negative on error
+ */
+int pci_uio_map_resource_by_index(struct rte_pci_device *dev, int res_idx,
+               struct mapped_pci_resource *uio_res, int map_idx);
+
 /**
  * Init tail queues for non-EAL library structures. This is to allow
  * the rings, mempools, etc. lists to be shared among multiple processes