[PATCH] IB/ipath: allow diags on any unit

There is no longer a /dev/ipath_diag file; instead, there's
/dev/ipath_diag0, 1, etc.

It's still not possible to have diags run on more than one unit at a time,
but that's easy to fix at some point.

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Cc: "Michael S. Tsirkin" <mst@mellanox.co.il>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 11 insertions, 8 deletions

diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index 57dea8c443be..412480d1109f 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -355,8 +355,10 @@ struct ipath_devdata {
         char *ipath_freezemsg;
         /* pci access data structure */
         struct pci_dev *pcidev;
-        struct cdev *cdev;
-        struct class_device *class_dev;
+        struct cdev *user_cdev;
+        struct cdev *diag_cdev;
+        struct class_device *user_class_dev;
+        struct class_device *diag_class_dev;
         /* timer used to prevent stats overflow, error throttling, etc. */
         struct timer_list ipath_stats_timer;
         /* check for stale messages in rcv queue */
@@ -538,7 +540,7 @@ extern int __ipath_verbs_piobufavail(struct ipath_devdata *);
 extern int __ipath_verbs_rcv(struct ipath_devdata *, void *, void *, u32);
 
 void ipath_layer_add(struct ipath_devdata *);
-void ipath_layer_del(struct ipath_devdata *);
+void ipath_layer_remove(struct ipath_devdata *);
 
 int ipath_init_chip(struct ipath_devdata *, int);
 int ipath_enable_wc(struct ipath_devdata *dd);
@@ -552,14 +554,14 @@ int ipath_cdev_init(int minor, char *name, struct file_operations *fops,
 void ipath_cdev_cleanup(struct cdev **cdevp,
                         struct class_device **class_devp);
 
-int ipath_diag_init(void);
-void ipath_diag_cleanup(void);
+int ipath_diag_add(struct ipath_devdata *);
+void ipath_diag_remove(struct ipath_devdata *);
 void ipath_diag_bringup_link(struct ipath_devdata *);
 
 extern wait_queue_head_t ipath_sma_state_wait;
 
 int ipath_user_add(struct ipath_devdata *dd);
-void ipath_user_del(struct ipath_devdata *dd);
+void ipath_user_remove(struct ipath_devdata *dd);
 
 struct sk_buff *ipath_alloc_skb(struct ipath_devdata *dd, gfp_t);
 
@@ -843,9 +845,10 @@ extern struct mutex ipath_mutex;
 
 #define IPATH_DRV_NAME          "ipath_core"
 #define IPATH_MAJOR             233
+#define IPATH_USER_MINOR_BASE   0
 #define IPATH_SMA_MINOR         128
-#define IPATH_DIAG_MINOR        129
-#define IPATH_NMINORS           130
+#define IPATH_DIAG_MINOR_BASE   129
+#define IPATH_NMINORS           255
 
 #define ipath_dev_err(dd,fmt,...) \
         do { \