lpfc: add Emulex FC driver version 8.0.28
From: James.Smart@Emulex.Com
Modified for kernel import and
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/lpfc/lpfc_compat.h b/drivers/scsi/lpfc/lpfc_compat.h
new file mode 100644
index 0000000..646649f
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_compat.h
@@ -0,0 +1,97 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for *
+ * Enterprise Fibre Channel Host Bus Adapters. *
+ * Refer to the README file included with this package for *
+ * driver version and adapter support. *
+ * Copyright (C) 2004 Emulex Corporation. *
+ * www.emulex.com *
+ * *
+ * This program is free software; you can redistribute it and/or *
+ * modify it under the terms of the GNU General Public License *
+ * as published by the Free Software Foundation; either version 2 *
+ * of the License, or (at your option) any later version. *
+ * *
+ * 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, a copy of which *
+ * can be found in the file COPYING included with this package. *
+ *******************************************************************/
+
+/*
+ * $Id: lpfc_compat.h 1.32 2005/01/25 17:51:45EST sf_support Exp $
+ *
+ * This file provides macros to aid compilation in the Linux 2.4 kernel
+ * over various platform architectures.
+ */
+
+/*******************************************************************
+Note: HBA's SLI memory contains little-endian LW.
+Thus to access it from a little-endian host,
+memcpy_toio() and memcpy_fromio() can be used.
+However on a big-endian host, copy 4 bytes at a time,
+using writel() and readl().
+ *******************************************************************/
+
+#if __BIG_ENDIAN
+
+static inline void
+lpfc_memcpy_to_slim(void __iomem *dest, void *src, unsigned int bytes)
+{
+ uint32_t __iomem *dest32;
+ uint32_t *src32;
+ unsigned int four_bytes;
+
+
+ dest32 = (uint32_t __iomem *) dest;
+ src32 = (uint32_t *) src;
+
+ /* write input bytes, 4 bytes at a time */
+ for (four_bytes = bytes /4; four_bytes > 0; four_bytes--) {
+ writel( *src32, dest32);
+ readl(dest32); /* flush */
+ dest32++;
+ src32++;
+ }
+
+ return;
+}
+
+static inline void
+lpfc_memcpy_from_slim( void *dest, void __iomem *src, unsigned int bytes)
+{
+ uint32_t *dest32;
+ uint32_t __iomem *src32;
+ unsigned int four_bytes;
+
+
+ dest32 = (uint32_t *) dest;
+ src32 = (uint32_t __iomem *) src;
+
+ /* read input bytes, 4 bytes at a time */
+ for (four_bytes = bytes /4; four_bytes > 0; four_bytes--) {
+ *dest32 = readl( src32);
+ dest32++;
+ src32++;
+ }
+
+ return;
+}
+
+#else
+
+static inline void
+lpfc_memcpy_to_slim( void __iomem *dest, void *src, unsigned int bytes)
+{
+ /* actually returns 1 byte past dest */
+ memcpy_toio( dest, src, bytes);
+}
+
+static inline void
+lpfc_memcpy_from_slim( void *dest, void __iomem *src, unsigned int bytes)
+{
+ /* actually returns 1 byte past dest */
+ memcpy_fromio( dest, src, bytes);
+}
+
+#endif /* __BIG_ENDIAN */