linux-kernel - [PATCH 02/16] dma-debug: add header file and core data structures

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 19 Jan 2009 15:46:49 +0100
From:	Joerg Roedel <joerg.roedel@....com>
To:	mingo@...hat.com, linux-kernel@...r.kernel.org
CC:	fujita.tomonori@....ntt.co.jp, dwmw2@...radead.org,
	iommu@...ts.linux-foundation.org,
	Joerg Roedel <joerg.roedel@....com>
Subject: [PATCH 02/16] dma-debug: add header file and core data structures

Impact: add groundwork for DMA-API debugging

Signed-off-by: Joerg Roedel <joerg.roedel@....com>
---
 include/linux/dma-debug.h |   25 +++++++++++++++++++++++++
 lib/Makefile              |    2 ++
 lib/dma-debug.c           |   40 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 67 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@....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..c944b8c
--- /dev/null
+++ b/lib/dma-debug.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Author: Joerg Roedel <joerg.roedel@....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_page,
+	dma_debug_sg,
+	dma_debug_coherent,
+};
+
+struct dma_debug_entry {
+	struct list_head list;
+	struct device    *dev;
+	int              type;
+	phys_addr_t      paddr;
+	u64              dev_addr;
+	u64              size;
+	int              direction;
+};
+
-- 
1.5.6.4


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/