From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
To: joerg.roedel@amd.com
Cc: linux-kernel@vger.kernel.org, mingo@redhat.com,
dwmw2@infradead.org, fujita.tomonori@lab.ntt.co.jp,
netdev@vger.kernel.org, iommu@lists.linux-foundation.org
Subject: Re: [PATCH 02/16] dma-debug: add header file and core data structures
Date: Sun, 11 Jan 2009 15:25:47 +0900 [thread overview]
Message-ID: <20090111152412V.fujita.tomonori@lab.ntt.co.jp> (raw)
In-Reply-To: <1231517970-20288-3-git-send-email-joerg.roedel@amd.com>
On Fri, 9 Jan 2009 17:19:16 +0100
Joerg Roedel <joerg.roedel@amd.com> wrote:
> 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;
I don't think that cpu addresses are appropriate here.
next prev parent reply other threads:[~2009-01-11 6:26 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-09 16:19 [PATCH 0/16] DMA-API debugging facility v2 Joerg Roedel
2009-01-09 16:19 ` [PATCH 01/16] dma-debug: add Kconfig entry Joerg Roedel
2009-01-09 20:12 ` Randy Dunlap
2009-01-09 16:19 ` [PATCH 02/16] dma-debug: add header file and core data structures Joerg Roedel
2009-01-11 6:25 ` FUJITA Tomonori [this message]
2009-01-09 16:19 ` [PATCH 03/16] dma-debug: add hash functions for dma_debug_entries Joerg Roedel
2009-01-09 17:55 ` Evgeniy Polyakov
2009-01-09 18:14 ` Joerg Roedel
2009-01-09 18:23 ` Evgeniy Polyakov
2009-01-09 18:40 ` Joerg Roedel
2009-01-13 8:51 ` Andrew Morton
2009-01-13 8:59 ` David Woodhouse
2009-01-14 11:43 ` Ingo Molnar
2009-01-14 17:39 ` Andrew Morton
2009-01-14 17:43 ` Ingo Molnar
2009-01-14 17:48 ` Ingo Molnar
2009-01-15 3:44 ` FUJITA Tomonori
2009-01-14 17:48 ` David Woodhouse
2009-01-14 17:51 ` Joerg Roedel
2009-01-09 16:19 ` [PATCH 04/16] dma-debug: add allocator code Joerg Roedel
2009-01-10 23:43 ` Ingo Molnar
2009-01-09 16:19 ` [PATCH 05/16] dma-debug: add initialization code Joerg Roedel
2009-01-09 17:58 ` Evgeniy Polyakov
2009-01-09 18:17 ` Joerg Roedel
2009-01-09 16:19 ` [PATCH 06/16] dma-debug: add kernel command line parameters Joerg Roedel
2009-01-09 16:19 ` [PATCH 07/16] dma-debug: add debugfs interface Joerg Roedel
2009-01-10 23:08 ` Ingo Molnar
2009-01-11 7:52 ` Joerg Roedel
2009-01-14 15:22 ` Joerg Roedel
2009-01-10 23:15 ` Ingo Molnar
2009-01-09 16:19 ` [PATCH 08/16] dma-debug: add core checking functions Joerg Roedel
2009-01-10 23:11 ` Ingo Molnar
2009-01-11 7:57 ` Joerg Roedel
2009-01-11 8:34 ` Joerg Roedel
2009-01-14 11:44 ` Joerg Roedel
2009-01-14 11:48 ` Ingo Molnar
2009-01-10 23:12 ` Ingo Molnar
2009-01-11 7:54 ` Joerg Roedel
2009-01-10 23:13 ` Ingo Molnar
2009-01-09 16:19 ` [PATCH 09/16] dma-debug: add checking for map/unmap_single Joerg Roedel
2009-01-09 16:19 ` [PATCH 10/16] dma-debug: add add checking for map/unmap_sg Joerg Roedel
2009-01-09 18:08 ` Evgeniy Polyakov
2009-01-09 18:11 ` Joerg Roedel
2009-01-09 16:19 ` [PATCH 11/16] dma-debug: add checking for [alloc|free]_coherent Joerg Roedel
2009-01-11 6:25 ` FUJITA Tomonori
2009-01-11 6:30 ` FUJITA Tomonori
2009-01-11 7:59 ` Joerg Roedel
2009-01-09 16:19 ` [PATCH 12/16] dma-debug: add checks for sync_single_* Joerg Roedel
2009-01-09 16:19 ` [PATCH 13/16] dma-debug: add checks for sync_single_range_* Joerg Roedel
2009-01-09 16:19 ` [PATCH 14/16] dma-debug: add checks for sync_single_sg_* Joerg Roedel
2009-01-10 23:46 ` Ingo Molnar
2009-01-11 8:00 ` Joerg Roedel
2009-01-09 16:19 ` [PATCH 15/16] dma-debug: x86 architecture bindings Joerg Roedel
2009-01-10 23:04 ` Ingo Molnar
2009-01-10 23:48 ` Ingo Molnar
2009-01-11 6:25 ` FUJITA Tomonori
2009-01-11 8:08 ` Joerg Roedel
2009-01-09 16:19 ` [PATCH 16/16] dma-debug: Documentation update Joerg Roedel
2009-01-09 21:24 ` [PATCH 0/16] DMA-API debugging facility v2 Michael Chan
2009-01-09 22:33 ` Joerg Roedel
2009-01-09 22:37 ` Joerg Roedel
2009-01-11 6:25 ` FUJITA Tomonori
2009-01-10 23:54 ` Ingo Molnar
2009-01-11 8:11 ` Joerg Roedel
2009-02-05 22:52 ` David Woodhouse
2009-02-06 2:05 ` Chris Wright
2009-02-06 7:56 ` David Woodhouse
2009-02-06 16:08 ` Chris Wright
2009-02-06 18:20 ` Chris Wright
2009-02-12 14:48 ` Joerg Roedel
2009-02-06 2:27 ` Chris Wright
2009-02-12 15:20 ` Joerg Roedel
2009-01-19 14:46 [PATCH 0/16] DMA-API debugging facility v3 Joerg Roedel
2009-01-19 14:46 ` [PATCH 02/16] dma-debug: add header file and core data structures Joerg Roedel
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