From: Joerg Roedel <joerg.roedel@amd.com>
To: linux-kernel@vger.kernel.org
Cc: mingo@redhat.com, dwmw2@infradead.org,
fujita.tomonori@lab.ntt.co.jp, netdev@vger.kernel.org,
iommu@lists.linux-foundation.org,
Joerg Roedel <joerg.roedel@amd.com>
Subject: [PATCH 15/16] dma-debug: x86 architecture bindings
Date: Fri, 9 Jan 2009 17:19:29 +0100 [thread overview]
Message-ID: <1231517970-20288-16-git-send-email-joerg.roedel@amd.com> (raw)
In-Reply-To: <1231517970-20288-1-git-send-email-joerg.roedel@amd.com>
Impact: make use of DMA-API debugging code in x86
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
arch/x86/Kconfig | 1 +
arch/x86/include/asm/dma-mapping.h | 30 ++++++++++++++++++++++++++----
arch/x86/kernel/pci-dma.c | 5 +++++
3 files changed, 32 insertions(+), 4 deletions(-)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 862adb9..68a806c 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -39,6 +39,7 @@ config X86
select HAVE_GENERIC_DMA_COHERENT if X86_32
select HAVE_EFFICIENT_UNALIGNED_ACCESS
select USER_STACKTRACE_SUPPORT
+ select HAVE_DMA_API_DEBUG
config ARCH_DEFCONFIG
string
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 4035357..939d5b3 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -7,6 +7,7 @@
*/
#include <linux/scatterlist.h>
+#include <linux/dma-debug.h>
#include <asm/io.h>
#include <asm/swiotlb.h>
#include <asm-generic/dma-coherent.h>
@@ -93,9 +94,12 @@ dma_map_single(struct device *hwdev, void *ptr, size_t size,
int direction)
{
struct dma_mapping_ops *ops = get_dma_ops(hwdev);
+ dma_addr_t addr;
BUG_ON(!valid_dma_direction(direction));
- return ops->map_single(hwdev, virt_to_phys(ptr), size, direction);
+ addr = ops->map_single(hwdev, virt_to_phys(ptr), size, direction);
+ debug_map_single(hwdev, ptr, size, direction, addr);
+ return addr;
}
static inline void
@@ -105,6 +109,7 @@ dma_unmap_single(struct device *dev, dma_addr_t addr, size_t size,
struct dma_mapping_ops *ops = get_dma_ops(dev);
BUG_ON(!valid_dma_direction(direction));
+ debug_unmap_single(dev, addr, size, direction);
if (ops->unmap_single)
ops->unmap_single(dev, addr, size, direction);
}
@@ -114,9 +119,13 @@ dma_map_sg(struct device *hwdev, struct scatterlist *sg,
int nents, int direction)
{
struct dma_mapping_ops *ops = get_dma_ops(hwdev);
+ int ret;
BUG_ON(!valid_dma_direction(direction));
- return ops->map_sg(hwdev, sg, nents, direction);
+ ret = ops->map_sg(hwdev, sg, nents, direction);
+ debug_map_sg(hwdev, sg, ret, direction);
+
+ return ret;
}
static inline void
@@ -126,6 +135,7 @@ dma_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
struct dma_mapping_ops *ops = get_dma_ops(hwdev);
BUG_ON(!valid_dma_direction(direction));
+ debug_unmap_sg(hwdev, sg, nents, direction);
if (ops->unmap_sg)
ops->unmap_sg(hwdev, sg, nents, direction);
}
@@ -137,6 +147,7 @@ dma_sync_single_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
struct dma_mapping_ops *ops = get_dma_ops(hwdev);
BUG_ON(!valid_dma_direction(direction));
+ debug_sync_single_for_cpu(hwdev, dma_handle, size, direction);
if (ops->sync_single_for_cpu)
ops->sync_single_for_cpu(hwdev, dma_handle, size, direction);
flush_write_buffers();
@@ -149,6 +160,7 @@ dma_sync_single_for_device(struct device *hwdev, dma_addr_t dma_handle,
struct dma_mapping_ops *ops = get_dma_ops(hwdev);
BUG_ON(!valid_dma_direction(direction));
+ debug_sync_single_for_device(hwdev, dma_handle, size, direction);
if (ops->sync_single_for_device)
ops->sync_single_for_device(hwdev, dma_handle, size, direction);
flush_write_buffers();
@@ -161,6 +173,8 @@ dma_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
struct dma_mapping_ops *ops = get_dma_ops(hwdev);
BUG_ON(!valid_dma_direction(direction));
+ debug_sync_single_range_for_cpu(hwdev, dma_handle, offset, size,
+ direction);
if (ops->sync_single_range_for_cpu)
ops->sync_single_range_for_cpu(hwdev, dma_handle, offset,
size, direction);
@@ -175,6 +189,8 @@ dma_sync_single_range_for_device(struct device *hwdev, dma_addr_t dma_handle,
struct dma_mapping_ops *ops = get_dma_ops(hwdev);
BUG_ON(!valid_dma_direction(direction));
+ debug_sync_single_range_for_device(hwdev, dma_handle, offset,
+ size, direction);
if (ops->sync_single_range_for_device)
ops->sync_single_range_for_device(hwdev, dma_handle,
offset, size, direction);
@@ -188,6 +204,7 @@ dma_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg,
struct dma_mapping_ops *ops = get_dma_ops(hwdev);
BUG_ON(!valid_dma_direction(direction));
+ debug_sync_sg_for_cpu(hwdev, sg, nelems, direction);
if (ops->sync_sg_for_cpu)
ops->sync_sg_for_cpu(hwdev, sg, nelems, direction);
flush_write_buffers();
@@ -200,6 +217,7 @@ dma_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg,
struct dma_mapping_ops *ops = get_dma_ops(hwdev);
BUG_ON(!valid_dma_direction(direction));
+ debug_sync_sg_for_device(hwdev, sg, nelems, direction);
if (ops->sync_sg_for_device)
ops->sync_sg_for_device(hwdev, sg, nelems, direction);
@@ -267,7 +285,7 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
gfp_t gfp)
{
struct dma_mapping_ops *ops = get_dma_ops(dev);
- void *memory;
+ void *memory, *addr;
gfp &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32);
@@ -285,8 +303,11 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
if (!ops->alloc_coherent)
return NULL;
- return ops->alloc_coherent(dev, size, dma_handle,
+ addr = ops->alloc_coherent(dev, size, dma_handle,
dma_alloc_coherent_gfp_flags(dev, gfp));
+ debug_alloc_coherent(dev, size, *dma_handle, addr);
+
+ return addr;
}
static inline void dma_free_coherent(struct device *dev, size_t size,
@@ -299,6 +320,7 @@ static inline void dma_free_coherent(struct device *dev, size_t size,
if (dma_release_from_coherent(dev, get_order(size), vaddr))
return;
+ debug_free_coherent(dev, size, vaddr, bus);
if (ops->free_coherent)
ops->free_coherent(dev, size, vaddr, bus);
}
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index b254285..c8efbcc 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -44,6 +44,9 @@ struct device x86_dma_fallback_dev = {
};
EXPORT_SYMBOL(x86_dma_fallback_dev);
+/* Number of entries preallocated for DMA-API debugging */
+#define PREALLOC_ENTRIES 8192 /* needs 512kb */
+
int dma_set_mask(struct device *dev, u64 mask)
{
if (!dev->dma_mask || !dma_supported(dev, mask))
@@ -265,6 +268,8 @@ EXPORT_SYMBOL(dma_supported);
static int __init pci_iommu_init(void)
{
+ dma_debug_init(PREALLOC_ENTRIES);
+
calgary_iommu_init();
intel_iommu_init();
--
1.5.6.4
next prev parent reply other threads:[~2009-01-09 16:23 UTC|newest]
Thread overview: 75+ 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
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 ` Joerg Roedel [this message]
2009-01-10 23:04 ` [PATCH 15/16] dma-debug: x86 architecture bindings 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 14:47 ` [PATCH 15/16] dma-debug: x86 architecture bindings Joerg Roedel
2009-02-22 6:50 ` FUJITA Tomonori
2009-02-25 11:14 ` Joerg Roedel
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