1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/include/cs/bfa_wc.h b/drivers/scsi/bfa/include/cs/bfa_wc.h
new file mode 100644
index 00000000000..0460bd4fc7c
--- /dev/null
+++ b/drivers/scsi/bfa/include/cs/bfa_wc.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.com
+ *
+ * Linux driver for Brocade Fibre Channel Host Bus Adapter.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License (GPL) Version 2 as
+ * published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+/**
+ *  bfa_wc.h Generic wait counter.
+ */
+#ifndef __BFA_WC_H__
+#define __BFA_WC_H__
+typedef void (*bfa_wc_resume_t) (void *cbarg);
+struct bfa_wc_s {
+        bfa_wc_resume_t wc_resume;
+        void            *wc_cbarg;
+        int             wc_count;
+};
+static inline void
+bfa_wc_up(struct bfa_wc_s *wc)
+{
+        wc->wc_count++;
+}
+static inline void
+bfa_wc_down(struct bfa_wc_s *wc)
+{
+        wc->wc_count--;
+        if (wc->wc_count == 0)
+                wc->wc_resume(wc->wc_cbarg);
+}
+/**
+ * Initialize a waiting counter.
+ */
+static inline void
+bfa_wc_init(struct bfa_wc_s *wc, bfa_wc_resume_t wc_resume, void *wc_cbarg)
+{
+        wc->wc_resume = wc_resume;
+        wc->wc_cbarg = wc_cbarg;
+        wc->wc_count = 0;
+        bfa_wc_up(wc);
+}
+/**
+ * Wait for counter to reach zero
+ */
+static inline void
+bfa_wc_wait(struct bfa_wc_s *wc)
+{
+        bfa_wc_down(wc);
+}
+#endif

diff --git a/drivers/scsi/bfa/include/cs/bfa_wc.h b/drivers/scsi/bfa/include/cs/bfa_wc.h new file mode 100644 index 00000000000..0460bd4fc7c --- /dev/null +++ b/drivers/scsi/bfa/include/cs/bfa_wc.h
@@ -0,0 +1,68 @@
	1	/*
	2	* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
	3	* All rights reserved
	4	* www.brocade.com
	5	*
	6	* Linux driver for Brocade Fibre Channel Host Bus Adapter.
	7	*
	8	* This program is free software; you can redistribute it and/or modify it
	9	* under the terms of the GNU General Public License (GPL) Version 2 as
	10	* published by the Free Software Foundation
	11	*
	12	* This program is distributed in the hope that it will be useful, but
	13	* WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* General Public License for more details.
	16	*/
	17
	18	/**
	19	* bfa_wc.h Generic wait counter.
	20	*/
	21
	22	#ifndef __BFA_WC_H__
	23	#define __BFA_WC_H__
	24
	25	typedef void (bfa_wc_resume_t) (void cbarg);
	26
	27	struct bfa_wc_s {
	28	bfa_wc_resume_t wc_resume;
	29	void *wc_cbarg;
	30	int wc_count;
	31	};
	32
	33	static inline void
	34	bfa_wc_up(struct bfa_wc_s *wc)
	35	{
	36	wc->wc_count++;
	37	}
	38
	39	static inline void
	40	bfa_wc_down(struct bfa_wc_s *wc)
	41	{
	42	wc->wc_count--;
	43	if (wc->wc_count == 0)
	44	wc->wc_resume(wc->wc_cbarg);
	45	}
	46
	47	/**
	48	* Initialize a waiting counter.
	49	*/
	50	static inline void
	51	bfa_wc_init(struct bfa_wc_s wc, bfa_wc_resume_t wc_resume, void wc_cbarg)
	52	{
	53	wc->wc_resume = wc_resume;
	54	wc->wc_cbarg = wc_cbarg;
	55	wc->wc_count = 0;
	56	bfa_wc_up(wc);
	57	}
	58
	59	/**
	60	* Wait for counter to reach zero
	61	*/
	62	static inline void
	63	bfa_wc_wait(struct bfa_wc_s *wc)
	64	{
	65	bfa_wc_down(wc);
	66	}
	67
	68	#endif