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authorJon Mason <jon.mason@intel.com>2013-04-18 17:59:44 -0700
committerJon Mason <jon.mason@intel.com>2013-11-20 09:57:34 -0700
commite8aeb60c389c2aa48d345bcf717f8cb7edf67680 (patch)
tree3610f55a47e8f0bc722397ec8063c9a4f4091f9b /drivers/ntb/ntb_hw.h
parent78958433db077b339f3a039890148561086574e4 (diff)
downloadlinux-e8aeb60c389c2aa48d345bcf717f8cb7edf67680.tar.gz
NTB: Disable interrupts and poll under high load
Disable interrupts and poll under high load

Signed-off-by: Jon Mason <jon.mason@intel.com>
Diffstat (limited to 'drivers/ntb/ntb_hw.h')
-rw-r--r--drivers/ntb/ntb_hw.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/ntb/ntb_hw.h b/drivers/ntb/ntb_hw.h
index 0a31cedae7d4..bbdb7edca10c 100644
--- a/drivers/ntb/ntb_hw.h
+++ b/drivers/ntb/ntb_hw.h
@@ -106,10 +106,11 @@ struct ntb_mw {
 };
 
 struct ntb_db_cb {
-	void (*callback) (void *data, int db_num);
+	int (*callback)(void *data, int db_num);
 	unsigned int db_num;
 	void *data;
 	struct ntb_device *ndev;
+	struct tasklet_struct irq_work;
 };
 
 struct ntb_device {
@@ -228,8 +229,8 @@ struct ntb_device *ntb_register_transport(struct pci_dev *pdev,
 void ntb_unregister_transport(struct ntb_device *ndev);
 void ntb_set_mw_addr(struct ntb_device *ndev, unsigned int mw, u64 addr);
 int ntb_register_db_callback(struct ntb_device *ndev, unsigned int idx,
-			     void *data, void (*db_cb_func) (void *data,
-							     int db_num));
+			     void *data, int (*db_cb_func)(void *data,
+							   int db_num));
 void ntb_unregister_db_callback(struct ntb_device *ndev, unsigned int idx);
 int ntb_register_event_callback(struct ntb_device *ndev,
 				void (*event_cb_func) (void *handle,