lib: remove keyword extern for functions

[dpdk.git] / lib / librte_eal / common / include / rte_pci.h

diff --git a/lib/librte_eal/common/include/rte_pci.h b/lib/librte_eal/common/include/rte_pci.h
index 0a2ef09..334c12e 100644 (file)
--- a/lib/librte_eal/common/include/rte_pci.h
+++ b/lib/librte_eal/common/include/rte_pci.h
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -148,6 +148,8 @@ enum rte_kernel_driver {
        RTE_KDRV_IGB_UIO,
        RTE_KDRV_VFIO,
        RTE_KDRV_UIO_GENERIC,
+       RTE_KDRV_NIC_UIO,
+       RTE_KDRV_NONE,
 };
 
 /**
@@ -364,7 +366,38 @@ int rte_eal_pci_scan(void);
  */
 int rte_eal_pci_probe(void);
 
-#ifdef RTE_LIBRTE_EAL_HOTPLUG
+/**
+ * @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);
+
 /**
  * Probe the single PCI device.
  *
@@ -384,7 +417,7 @@ int rte_eal_pci_probe_one(const struct rte_pci_addr *addr);
  * Close the single PCI device.
  *
  * Scan the content of the PCI bus, and find the pci device specified by pci
- * address, then call the close() function for registered driver that has a
+ * address, then call the devuninit() function for registered driver that has a
  * matching entry in its id_table for discovered device.
  *
  * @param addr
@@ -393,8 +426,7 @@ int rte_eal_pci_probe_one(const struct rte_pci_addr *addr);
  *   - 0 on success.
  *   - Negative on error.
  */
-int rte_eal_pci_close_one(const struct rte_pci_addr *addr);
-#endif /* RTE_LIBRTE_EAL_HOTPLUG */
+int rte_eal_pci_detach(const struct rte_pci_addr *addr);
 
 /**
  * Dump the content of the PCI bus.
@@ -422,6 +454,49 @@ void rte_eal_pci_register(struct rte_pci_driver *driver);
  */
 void rte_eal_pci_unregister(struct rte_pci_driver *driver);
 
+/**
+ * Read PCI config space.
+ *
+ * @param device
+ *   A pointer to a rte_pci_device structure describing the device
+ *   to use
+ * @param buf
+ *   A data buffer where the bytes should be read into
+ * @param len
+ *   The length of the data buffer.
+ * @param offset
+ *   The offset into PCI config space
+ */
+int rte_eal_pci_read_config(const struct rte_pci_device *device,
+                           void *buf, size_t len, off_t offset);
+
+/**
+ * Write PCI config space.
+ *
+ * @param device
+ *   A pointer to a rte_pci_device structure describing the device
+ *   to use
+ * @param buf
+ *   A data buffer containing the bytes should be written
+ * @param len
+ *   The length of the data buffer.
+ * @param offset
+ *   The offset into PCI config space
+ */
+int rte_eal_pci_write_config(const struct rte_pci_device *device,
+                            const void *buf, size_t len, off_t offset);
+
+#ifdef RTE_PCI_CONFIG
+/**
+ * Set special config space registers for performance purpose.
+ *
+ * @param dev
+ *   A pointer to a rte_pci_device structure describing the device
+ *   to use
+ */
+void pci_config_space_set(struct rte_pci_device *dev);
+#endif /* RTE_PCI_CONFIG */
+
 #ifdef __cplusplus
 }
 #endif