1 files changed, 59 insertions, 0 deletions
diff --git a/sys/dev/qlnx/qlnxe/ecore_utils.h b/sys/dev/qlnx/qlnxe/ecore_utils.h
new file mode 100644
index 000000000000..14cb3625099b
--- /dev/null
+++ b/sys/dev/qlnx/qlnxe/ecore_utils.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2017-2018 Cavium, Inc. 
+ * All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *  POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ *
+ */
+
+#ifndef __ECORE_UTILS_H__
+#define __ECORE_UTILS_H__
+
+/* dma_addr_t manip */
+/* Suppress "right shift count >= width of type" warning when that quantity is
+ * 32-bits rquires the >> 16) >> 16)
+ */
+#define PTR_LO(x)		((u32)(((osal_uintptr_t)(x)) & 0xffffffff))
+#define PTR_HI(x)		((u32)((((osal_uintptr_t)(x)) >> 16) >> 16))
+
+#define DMA_LO(x)		((u32)(((dma_addr_t)(x)) & 0xffffffff))
+#define DMA_HI(x)		((u32)(((dma_addr_t)(x)) >> 32))
+
+#define DMA_LO_LE(x)		OSAL_CPU_TO_LE32(DMA_LO(x))
+#define DMA_HI_LE(x)		OSAL_CPU_TO_LE32(DMA_HI(x))
+
+/* It's assumed that whoever includes this has previously included an hsi
+ * file defining the regpair.
+ */
+#define DMA_REGPAIR_LE(x, val)	(x).hi = DMA_HI_LE((val)); \
+				(x).lo = DMA_LO_LE((val))
+
+#define HILO_GEN(hi, lo, type)	((((type)(hi)) << 32) + (lo))
+#define HILO_DMA(hi, lo)	HILO_GEN(hi, lo, dma_addr_t)
+#define HILO_64(hi, lo)		HILO_GEN(hi, lo, u64)
+#define HILO_DMA_REGPAIR(regpair)	(HILO_DMA(regpair.hi, regpair.lo))
+#define HILO_64_REGPAIR(regpair)	(HILO_64(regpair.hi, regpair.lo))
+
+#endif