From 7d9ca96411d10924697eed225c3c8b3b25a86cba Mon Sep 17 00:00:00 2001
From: Kip Macy <kmacy@FreeBSD.org>
Date: Wed, 14 Mar 2007 06:35:38 +0000
Subject: [PATCH] add cxgb_config.h to define values that are defined in the
 Makefile when compiled as a module

move prefetch out of cxgb_sge.c into header under arch conditional compilation
---
 sys/dev/cxgb/cxgb_config.h | 46 ++++++++++++++++++++++++++++++++++++++
 sys/dev/cxgb/cxgb_osdep.h  | 14 ++++++++++++
 2 files changed, 60 insertions(+)
 create mode 100644 sys/dev/cxgb/cxgb_config.h

diff --git a/sys/dev/cxgb/cxgb_config.h b/sys/dev/cxgb/cxgb_config.h
new file mode 100644
index 000000000000..2a95f88cceee
--- /dev/null
+++ b/sys/dev/cxgb/cxgb_config.h
@@ -0,0 +1,46 @@
+/**************************************************************************
+
+Copyright (c) 2007, Chelsio 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.
+
+ 3. Neither the name of the Chelsio Corporation nor the names of its
+    contributors may be used to endorse or promote products derived from
+    this software without specific prior written permission.
+
+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 _CXGB_CONFIG_H_
+#define _CXGB_CONFIG_H_
+
+#ifndef CONFIG_DEFINED
+#define CONFIG_CHELSIO_T3_CORE
+#define CHELSIO_FW_MAJOR 3
+#define CHELSIO_FW_MINOR 2
+#define DEFAULT_JUMBO
+#endif
+
+#endif
diff --git a/sys/dev/cxgb/cxgb_osdep.h b/sys/dev/cxgb/cxgb_osdep.h
index bf4bffa64187..e3ab7c85b936 100644
--- a/sys/dev/cxgb/cxgb_osdep.h
+++ b/sys/dev/cxgb/cxgb_osdep.h
@@ -43,6 +43,7 @@ POSSIBILITY OF SUCH DAMAGE.
 #include <dev/mii/mii.h>
 
 #include <dev/cxgb/common/cxgb_version.h>
+#include <dev/cxgb/cxgb_config.h>
 
 #ifndef _CXGB_OSDEP_H_
 #define _CXGB_OSDEP_H_
@@ -102,6 +103,19 @@ struct t3_mbuf_hdr {
 #define rmb()   __asm volatile("lfence":::"memory")
 #define wmb()   __asm volatile("sfence" ::: "memory")
 #define smp_mb() mb()
+
+#define USE_PREFETCH
+#ifdef USE_PREFETCH
+#define L1_CACHE_BYTES 64
+static __inline
+void prefetch(void *x) 
+{ 
+        __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
+} 
+#else
+#define prefetch(x)
+#endif
+
 #endif
 #define DBG_RX          (1 << 0)
 static const int debug_flags = DBG_RX;