rapidio: add enumeration/discovery start from user space

[deliverable/linux.git] / include / linux / rio.h

diff --git a/include/linux/rio.h b/include/linux/rio.h
index a3e7842786679567185ecdbc8835fd5936fb36f4..18e099342e6f82732a93b347b021ca7aa4e2b22d 100644 (file)
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -83,7 +83,6 @@
 
 extern struct bus_type rio_bus_type;
 extern struct device rio_bus;
-extern struct list_head rio_devices;   /* list of all devices */
 
 struct rio_mport;
 struct rio_dev;
@@ -237,6 +236,7 @@ enum rio_phy_type {
  * @name: Port name string
  * @priv: Master port private data
  * @dma: DMA device associated with mport
+ * @nscan: RapidIO network enumeration/discovery operations
  */
 struct rio_mport {
        struct list_head dbells;        /* list of doorbell events */
@@ -262,8 +262,14 @@ struct rio_mport {
 #ifdef CONFIG_RAPIDIO_DMA_ENGINE
        struct dma_device       dma;
 #endif
+       struct rio_scan *nscan;
 };
 
+/*
+ * Enumeration/discovery control flags
+ */
+#define RIO_SCAN_ENUM_NO_WAIT  0x00000001 /* Do not wait for enum completed */
+
 struct rio_id_table {
        u16 start;      /* logical minimal id */
        u32 max;        /* max number of IDs in table */
@@ -460,6 +466,16 @@ static inline struct rio_mport *dma_to_mport(struct dma_device *ddev)
 }
 #endif /* CONFIG_RAPIDIO_DMA_ENGINE */
 
+/**
+ * struct rio_scan - RIO enumeration and discovery operations
+ * @enumerate: Callback to perform RapidIO fabric enumeration.
+ * @discover: Callback to perform RapidIO fabric discovery.
+ */
+struct rio_scan {
+       int (*enumerate)(struct rio_mport *mport, u32 flags);
+       int (*discover)(struct rio_mport *mport, u32 flags);
+};
+
 /* Architecture and hardware-specific functions */
 extern int rio_register_mport(struct rio_mport *);
 extern int rio_open_inb_mbox(struct rio_mport *, void *, int, int);