From 35a583667780122e8dabc72737be51fe914b4257 Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Mon, 21 Apr 2008 13:23:11 +0100
Subject: [Infiniband] Move event-queue process from driver to Infiniband core

---
 src/include/gpxe/infiniband.h | 34 +++++++++++++++++++++++++++++++++-
 1 file changed, 33 insertions(+), 1 deletion(-)

(limited to 'src/include')

diff --git a/src/include/gpxe/infiniband.h b/src/include/gpxe/infiniband.h
index 8fc928c71..f9e65348e 100644
--- a/src/include/gpxe/infiniband.h
+++ b/src/include/gpxe/infiniband.h
@@ -8,6 +8,7 @@
  */
 
 #include <stdint.h>
+#include <gpxe/refcnt.h>
 #include <gpxe/device.h>
 
 /** Subnet administrator QPN */
@@ -254,6 +255,12 @@ struct ib_device_operations {
 			     struct ib_completion_queue *cq,
 			     ib_completer_t complete_send,
 			     ib_completer_t complete_recv );
+	/**
+	 * Poll event queue
+	 *
+	 * @v ibdev		Infiniband device
+	 */
+	void ( * poll_eq ) ( struct ib_device *ibdev );
 	/**
 	 * Open port
 	 *
@@ -300,6 +307,10 @@ struct ib_device_operations {
 
 /** An Infiniband device */
 struct ib_device {
+	/** Reference counter */
+	struct refcnt refcnt;
+	/** List of Infiniband devices */
+	struct list_head list;
 	/** Underlying device */
 	struct device *dev;
 	/** Infiniband operations */
@@ -337,7 +348,6 @@ extern struct ib_work_queue * ib_find_wq ( struct ib_completion_queue *cq,
 extern struct ib_device * alloc_ibdev ( size_t priv_size );
 extern int register_ibdev ( struct ib_device *ibdev );
 extern void unregister_ibdev ( struct ib_device *ibdev );
-extern void free_ibdev ( struct ib_device *ibdev );
 extern void ib_link_state_changed ( struct ib_device *ibdev );
 
 /**
@@ -444,6 +454,28 @@ ib_mad ( struct ib_device *ibdev, struct ib_mad_hdr *mad, size_t len ) {
 	return ibdev->op->mad ( ibdev, mad, len );
 }
 
+/**
+ * Get reference to Infiniband device
+ *
+ * @v ibdev		Infiniband device
+ * @ret ibdev		Infiniband device
+ */
+static inline __attribute__ (( always_inline )) struct ib_device *
+ibdev_get ( struct ib_device *ibdev ) {
+	ref_get ( &ibdev->refcnt );
+	return ibdev;
+}
+
+/**
+ * Drop reference to Infiniband device
+ *
+ * @v ibdev		Infiniband device
+ */
+static inline __attribute__ (( always_inline )) void
+ibdev_put ( struct ib_device *ibdev ) {
+	ref_put ( &ibdev->refcnt );
+}
+
 /**
  * Set Infiniband work queue driver-private data
  *
-- 
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