lkml.org 
[lkml]   [2009]   [Jan]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 02/16] dma-debug: add header file and core data structures
Date
Impact: add groundwork for DMA-API debugging

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
include/linux/dma-debug.h | 25 +++++++++++++++++++++++++
lib/Makefile | 2 ++
lib/dma-debug.c | 39 +++++++++++++++++++++++++++++++++++++++
3 files changed, 66 insertions(+), 0 deletions(-)
create mode 100644 include/linux/dma-debug.h
create mode 100644 lib/dma-debug.c

diff --git a/include/linux/dma-debug.h b/include/linux/dma-debug.h
new file mode 100644
index 0000000..ce4ace7
--- /dev/null
+++ b/include/linux/dma-debug.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Author: Joerg Roedel <joerg.roedel@amd.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __DMA_DEBUG_H
+#define __DMA_DEBUG_H
+
+struct device;
+
+#endif /* __DMA_DEBUG_H */
diff --git a/lib/Makefile b/lib/Makefile
index 32b0e64..50b48cf 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -84,6 +84,8 @@ obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o

obj-$(CONFIG_DYNAMIC_PRINTK_DEBUG) += dynamic_printk.o

+obj-$(CONFIG_DMA_API_DEBUG) += dma-debug.o
+
hostprogs-y := gen_crc32table
clean-files := crc32table.h

diff --git a/lib/dma-debug.c b/lib/dma-debug.c
new file mode 100644
index 0000000..d04f8b6
--- /dev/null
+++ b/lib/dma-debug.c
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Author: Joerg Roedel <joerg.roedel@amd.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/dma-debug.h>
+#include <linux/types.h>
+#include <linux/list.h>
+
+enum {
+ dma_debug_single,
+ dma_debug_sg,
+ dma_debug_coherent,
+};
+
+struct dma_debug_entry {
+ struct list_head list;
+ struct device *dev;
+ int type;
+ void *cpu_addr;
+ u64 dev_addr;
+ u64 size;
+ int direction;
+};
+
--
1.5.6.4



\
 
 \ /
  Last update: 2009-01-09 17:27    [W:0.375 / U:2.964 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site