Most of dma-debug.h is not required by anything outside of kernel/dma.
Move the four declarations needed by dma-mappin.h or dma-ops providers
into dma-mapping.h and dma-map-ops.h, and move the remainder of the
file to kernel/dma/debug.h.
Signed-off-by: Christoph Hellwig <hch@lst.de>
#include <linux/mm_types.h>
#include <linux/scatterlist.h>
-#include <linux/dma-debug.h>
#include <linux/kref.h>
struct dma_iommu_mapping {
#include <linux/mm_types.h>
#include <linux/scatterlist.h>
-#include <linux/dma-debug.h>
#include <xen/xen.h>
#include <asm/xen/hypervisor.h>
#include <linux/device.h>
#include <linux/dma-noncoherent.h>
#include <linux/gfp.h>
-#include <linux/dma-debug.h>
#include <linux/export.h>
#include <linux/bug.h>
#include <asm/cacheflush.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/types.h>
-#include <linux/dma-debug.h>
#include <linux/io.h>
#include <linux/mutex.h>
#include <linux/spinlock.h>
*/
#include <linux/scatterlist.h>
-#include <linux/dma-debug.h>
#include <asm/io.h>
#include <asm/swiotlb.h>
// SPDX-License-Identifier: GPL-2.0
#include <linux/dma-map-ops.h>
#include <linux/dma-direct.h>
-#include <linux/dma-debug.h>
#include <linux/iommu.h>
#include <linux/dmar.h>
#include <linux/export.h>
#include <linux/kexec.h>
#include <linux/of_device.h>
#include <linux/acpi.h>
+#include <linux/dma-map-ops.h>
#include "pci.h"
#include "pcie/portdrv.h"
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (C) 2008 Advanced Micro Devices, Inc.
- *
- * Author: Joerg Roedel <joerg.roedel@amd.com>
- */
-
-#ifndef __DMA_DEBUG_H
-#define __DMA_DEBUG_H
-
-#include <linux/types.h>
-
-struct device;
-struct scatterlist;
-struct bus_type;
-
-#ifdef CONFIG_DMA_API_DEBUG
-
-extern void dma_debug_add_bus(struct bus_type *bus);
-
-extern void debug_dma_map_single(struct device *dev, const void *addr,
- unsigned long len);
-
-extern void debug_dma_map_page(struct device *dev, struct page *page,
- size_t offset, size_t size,
- int direction, dma_addr_t dma_addr);
-
-extern void debug_dma_mapping_error(struct device *dev, dma_addr_t dma_addr);
-
-extern void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,
- size_t size, int direction);
-
-extern void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,
- int nents, int mapped_ents, int direction);
-
-extern void debug_dma_unmap_sg(struct device *dev, struct scatterlist *sglist,
- int nelems, int dir);
-
-extern void debug_dma_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t dma_addr, void *virt);
-
-extern void debug_dma_free_coherent(struct device *dev, size_t size,
- void *virt, dma_addr_t addr);
-
-extern void debug_dma_map_resource(struct device *dev, phys_addr_t addr,
- size_t size, int direction,
- dma_addr_t dma_addr);
-
-extern void debug_dma_unmap_resource(struct device *dev, dma_addr_t dma_addr,
- size_t size, int direction);
-
-extern void debug_dma_sync_single_for_cpu(struct device *dev,
- dma_addr_t dma_handle, size_t size,
- int direction);
-
-extern void debug_dma_sync_single_for_device(struct device *dev,
- dma_addr_t dma_handle,
- size_t size, int direction);
-
-extern void debug_dma_sync_sg_for_cpu(struct device *dev,
- struct scatterlist *sg,
- int nelems, int direction);
-
-extern void debug_dma_sync_sg_for_device(struct device *dev,
- struct scatterlist *sg,
- int nelems, int direction);
-
-extern void debug_dma_dump_mappings(struct device *dev);
-
-#else /* CONFIG_DMA_API_DEBUG */
-
-static inline void dma_debug_add_bus(struct bus_type *bus)
-{
-}
-
-static inline void debug_dma_map_single(struct device *dev, const void *addr,
- unsigned long len)
-{
-}
-
-static inline void debug_dma_map_page(struct device *dev, struct page *page,
- size_t offset, size_t size,
- int direction, dma_addr_t dma_addr)
-{
-}
-
-static inline void debug_dma_mapping_error(struct device *dev,
- dma_addr_t dma_addr)
-{
-}
-
-static inline void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,
- size_t size, int direction)
-{
-}
-
-static inline void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,
- int nents, int mapped_ents, int direction)
-{
-}
-
-static inline void debug_dma_unmap_sg(struct device *dev,
- struct scatterlist *sglist,
- int nelems, int dir)
-{
-}
-
-static inline void debug_dma_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t dma_addr, void *virt)
-{
-}
-
-static inline void debug_dma_free_coherent(struct device *dev, size_t size,
- void *virt, dma_addr_t addr)
-{
-}
-
-static inline void debug_dma_map_resource(struct device *dev, phys_addr_t addr,
- size_t size, int direction,
- dma_addr_t dma_addr)
-{
-}
-
-static inline void debug_dma_unmap_resource(struct device *dev,
- dma_addr_t dma_addr, size_t size,
- int direction)
-{
-}
-
-static inline void debug_dma_sync_single_for_cpu(struct device *dev,
- dma_addr_t dma_handle,
- size_t size, int direction)
-{
-}
-
-static inline void debug_dma_sync_single_for_device(struct device *dev,
- dma_addr_t dma_handle,
- size_t size, int direction)
-{
-}
-
-static inline void debug_dma_sync_sg_for_cpu(struct device *dev,
- struct scatterlist *sg,
- int nelems, int direction)
-{
-}
-
-static inline void debug_dma_sync_sg_for_device(struct device *dev,
- struct scatterlist *sg,
- int nelems, int direction)
-{
-}
-
-static inline void debug_dma_dump_mappings(struct device *dev)
-{
-}
-
-#endif /* CONFIG_DMA_API_DEBUG */
-
-#endif /* __DMA_DEBUG_H */
}
#endif /* CONFIG_ARCH_HAS_TEARDOWN_DMA_OPS */
+#ifdef CONFIG_DMA_API_DEBUG
+void dma_debug_add_bus(struct bus_type *bus);
+void debug_dma_dump_mappings(struct device *dev);
+#else
+static inline void dma_debug_add_bus(struct bus_type *bus)
+{
+}
+static inline void debug_dma_dump_mappings(struct device *dev)
+{
+}
+#endif /* CONFIG_DMA_API_DEBUG */
+
extern const struct dma_map_ops dma_dummy_ops;
#endif /* _LINUX_DMA_MAP_OPS_H */
#include <linux/string.h>
#include <linux/device.h>
#include <linux/err.h>
-#include <linux/dma-debug.h>
#include <linux/dma-direction.h>
#include <linux/scatterlist.h>
#include <linux/bug.h>
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
+#ifdef CONFIG_DMA_API_DEBUG
+void debug_dma_mapping_error(struct device *dev, dma_addr_t dma_addr);
+void debug_dma_map_single(struct device *dev, const void *addr,
+ unsigned long len);
+#else
+static inline void debug_dma_mapping_error(struct device *dev,
+ dma_addr_t dma_addr)
+{
+}
+static inline void debug_dma_map_single(struct device *dev, const void *addr,
+ unsigned long len)
+{
+}
+#endif /* CONFIG_DMA_API_DEBUG */
+
#ifdef CONFIG_HAS_DMA
static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
{
#include <linux/sched/task_stack.h>
#include <linux/scatterlist.h>
-#include <linux/dma-mapping.h>
+#include <linux/dma-map-ops.h>
#include <linux/sched/task.h>
#include <linux/stacktrace.h>
-#include <linux/dma-debug.h>
#include <linux/spinlock.h>
#include <linux/vmalloc.h>
#include <linux/debugfs.h>
#include <linux/ctype.h>
#include <linux/list.h>
#include <linux/slab.h>
-
#include <asm/sections.h>
+#include "debug.h"
#define HASH_SIZE 16384ULL
#define HASH_FN_SHIFT 13
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ *
+ * Author: Joerg Roedel <joerg.roedel@amd.com>
+ */
+
+#ifndef _KERNEL_DMA_DEBUG_H
+#define _KERNEL_DMA_DEBUG_H
+
+#ifdef CONFIG_DMA_API_DEBUG
+extern void debug_dma_map_page(struct device *dev, struct page *page,
+ size_t offset, size_t size,
+ int direction, dma_addr_t dma_addr);
+
+extern void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,
+ size_t size, int direction);
+
+extern void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,
+ int nents, int mapped_ents, int direction);
+
+extern void debug_dma_unmap_sg(struct device *dev, struct scatterlist *sglist,
+ int nelems, int dir);
+
+extern void debug_dma_alloc_coherent(struct device *dev, size_t size,
+ dma_addr_t dma_addr, void *virt);
+
+extern void debug_dma_free_coherent(struct device *dev, size_t size,
+ void *virt, dma_addr_t addr);
+
+extern void debug_dma_map_resource(struct device *dev, phys_addr_t addr,
+ size_t size, int direction,
+ dma_addr_t dma_addr);
+
+extern void debug_dma_unmap_resource(struct device *dev, dma_addr_t dma_addr,
+ size_t size, int direction);
+
+extern void debug_dma_sync_single_for_cpu(struct device *dev,
+ dma_addr_t dma_handle, size_t size,
+ int direction);
+
+extern void debug_dma_sync_single_for_device(struct device *dev,
+ dma_addr_t dma_handle,
+ size_t size, int direction);
+
+extern void debug_dma_sync_sg_for_cpu(struct device *dev,
+ struct scatterlist *sg,
+ int nelems, int direction);
+
+extern void debug_dma_sync_sg_for_device(struct device *dev,
+ struct scatterlist *sg,
+ int nelems, int direction);
+#else /* CONFIG_DMA_API_DEBUG */
+static inline void debug_dma_map_page(struct device *dev, struct page *page,
+ size_t offset, size_t size,
+ int direction, dma_addr_t dma_addr)
+{
+}
+
+static inline void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,
+ size_t size, int direction)
+{
+}
+
+static inline void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,
+ int nents, int mapped_ents, int direction)
+{
+}
+
+static inline void debug_dma_unmap_sg(struct device *dev,
+ struct scatterlist *sglist,
+ int nelems, int dir)
+{
+}
+
+static inline void debug_dma_alloc_coherent(struct device *dev, size_t size,
+ dma_addr_t dma_addr, void *virt)
+{
+}
+
+static inline void debug_dma_free_coherent(struct device *dev, size_t size,
+ void *virt, dma_addr_t addr)
+{
+}
+
+static inline void debug_dma_map_resource(struct device *dev, phys_addr_t addr,
+ size_t size, int direction,
+ dma_addr_t dma_addr)
+{
+}
+
+static inline void debug_dma_unmap_resource(struct device *dev,
+ dma_addr_t dma_addr, size_t size,
+ int direction)
+{
+}
+
+static inline void debug_dma_sync_single_for_cpu(struct device *dev,
+ dma_addr_t dma_handle,
+ size_t size, int direction)
+{
+}
+
+static inline void debug_dma_sync_single_for_device(struct device *dev,
+ dma_addr_t dma_handle,
+ size_t size, int direction)
+{
+}
+
+static inline void debug_dma_sync_sg_for_cpu(struct device *dev,
+ struct scatterlist *sg,
+ int nelems, int direction)
+{
+}
+
+static inline void debug_dma_sync_sg_for_device(struct device *dev,
+ struct scatterlist *sg,
+ int nelems, int direction)
+{
+}
+#endif /* CONFIG_DMA_API_DEBUG */
+#endif /* _KERNEL_DMA_DEBUG_H */
#include <linux/of_device.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
+#include "debug.h"
/*
* Managed DMA API
#include <linux/gfp.h>
#include <linux/migrate.h>
#include <linux/string.h>
-#include <linux/dma-debug.h>
#include <linux/debugfs.h>
#include <linux/userfaultfd_k.h>
#include <linux/dax.h>