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Date: Wed, 5 Aug 2009 14:08:25 +0900
From: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To: linuxppc-dev@...ts.ozlabs.org, benh@...nel.crashing.org
Cc: galak@...nel.crashing.orga, beckyb@...nel.crashing.org,
linux-kernel@...r.kernel.org, mingo@...e.hu,
fujita.tomonori@....ntt.co.jp
Subject: [PATCH -v2 4/7] powerpc: use dma_map_ops struct
This converts uses dma_map_ops struct (in include/linux/dma-mapping.h)
instead of POWERPC homegrown dma_mapping_ops.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Acked-by: Becky Bruce <beckyb@...nel.crashing.org>
---
arch/powerpc/include/asm/device.h | 4 +-
arch/powerpc/include/asm/dma-mapping.h | 84 ++++++++-----------------------
arch/powerpc/include/asm/pci.h | 4 +-
arch/powerpc/include/asm/swiotlb.h | 2 +-
arch/powerpc/kernel/dma-iommu.c | 2 +-
arch/powerpc/kernel/dma-swiotlb.c | 2 +-
arch/powerpc/kernel/dma.c | 2 +-
arch/powerpc/kernel/ibmebus.c | 2 +-
arch/powerpc/kernel/pci-common.c | 6 +-
arch/powerpc/kernel/vio.c | 2 +-
arch/powerpc/platforms/cell/iommu.c | 2 +-
arch/powerpc/platforms/ps3/system-bus.c | 4 +-
12 files changed, 37 insertions(+), 79 deletions(-)
diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h
index 0086f8d..67fcd7f 100644
--- a/arch/powerpc/include/asm/device.h
+++ b/arch/powerpc/include/asm/device.h
@@ -6,7 +6,7 @@
#ifndef _ASM_POWERPC_DEVICE_H
#define _ASM_POWERPC_DEVICE_H
-struct dma_mapping_ops;
+struct dma_map_ops;
struct device_node;
struct dev_archdata {
@@ -14,7 +14,7 @@ struct dev_archdata {
struct device_node *of_node;
/* DMA operations on that device */
- struct dma_mapping_ops *dma_ops;
+ struct dma_map_ops *dma_ops;
void *dma_data;
#ifdef CONFIG_SWIOTLB
dma_addr_t max_direct_dma_addr;
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index 1765c37..8ca2b51 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -64,56 +64,14 @@ static inline unsigned long device_to_mask(struct device *dev)
}
/*
- * DMA operations are abstracted for G5 vs. i/pSeries, PCI vs. VIO
- */
-struct dma_mapping_ops {
- void * (*alloc_coherent)(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t flag);
- void (*free_coherent)(struct device *dev, size_t size,
- void *vaddr, dma_addr_t dma_handle);
- int (*map_sg)(struct device *dev, struct scatterlist *sg,
- int nents, enum dma_data_direction direction,
- struct dma_attrs *attrs);
- void (*unmap_sg)(struct device *dev, struct scatterlist *sg,
- int nents, enum dma_data_direction direction,
- struct dma_attrs *attrs);
- int (*dma_supported)(struct device *dev, u64 mask);
- int (*set_dma_mask)(struct device *dev, u64 dma_mask);
- dma_addr_t (*map_page)(struct device *dev, struct page *page,
- unsigned long offset, size_t size,
- enum dma_data_direction direction,
- struct dma_attrs *attrs);
- void (*unmap_page)(struct device *dev,
- dma_addr_t dma_address, size_t size,
- enum dma_data_direction direction,
- struct dma_attrs *attrs);
-#ifdef CONFIG_PPC_NEED_DMA_SYNC_OPS
- void (*sync_single_range_for_cpu)(struct device *hwdev,
- dma_addr_t dma_handle, unsigned long offset,
- size_t size,
- enum dma_data_direction direction);
- void (*sync_single_range_for_device)(struct device *hwdev,
- dma_addr_t dma_handle, unsigned long offset,
- size_t size,
- enum dma_data_direction direction);
- void (*sync_sg_for_cpu)(struct device *hwdev,
- struct scatterlist *sg, int nelems,
- enum dma_data_direction direction);
- void (*sync_sg_for_device)(struct device *hwdev,
- struct scatterlist *sg, int nelems,
- enum dma_data_direction direction);
-#endif
-};
-
-/*
* Available generic sets of operations
*/
#ifdef CONFIG_PPC64
-extern struct dma_mapping_ops dma_iommu_ops;
+extern struct dma_map_ops dma_iommu_ops;
#endif
-extern struct dma_mapping_ops dma_direct_ops;
+extern struct dma_map_ops dma_direct_ops;
-static inline struct dma_mapping_ops *get_dma_ops(struct device *dev)
+static inline struct dma_map_ops *get_dma_ops(struct device *dev)
{
/* We don't handle the NULL dev case for ISA for now. We could
* do it via an out of line call but it is not needed for now. The
@@ -126,14 +84,14 @@ static inline struct dma_mapping_ops *get_dma_ops(struct device *dev)
return dev->archdata.dma_ops;
}
-static inline void set_dma_ops(struct device *dev, struct dma_mapping_ops *ops)
+static inline void set_dma_ops(struct device *dev, struct dma_map_ops *ops)
{
dev->archdata.dma_ops = ops;
}
static inline int dma_supported(struct device *dev, u64 mask)
{
- struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+ struct dma_map_ops *dma_ops = get_dma_ops(dev);
if (unlikely(dma_ops == NULL))
return 0;
@@ -147,7 +105,7 @@ static inline int dma_supported(struct device *dev, u64 mask)
static inline int dma_set_mask(struct device *dev, u64 dma_mask)
{
- struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+ struct dma_map_ops *dma_ops = get_dma_ops(dev);
if (unlikely(dma_ops == NULL))
return -EIO;
@@ -161,7 +119,7 @@ static inline int dma_set_mask(struct device *dev, u64 dma_mask)
/*
* map_/unmap_single actually call through to map/unmap_page now that all the
- * dma_mapping_ops have been converted over. We just have to get the page and
+ * dma_map_ops have been converted over. We just have to get the page and
* offset to pass through to map_page
*/
static inline dma_addr_t dma_map_single_attrs(struct device *dev,
@@ -170,7 +128,7 @@ static inline dma_addr_t dma_map_single_attrs(struct device *dev,
enum dma_data_direction direction,
struct dma_attrs *attrs)
{
- struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+ struct dma_map_ops *dma_ops = get_dma_ops(dev);
BUG_ON(!dma_ops);
@@ -185,7 +143,7 @@ static inline void dma_unmap_single_attrs(struct device *dev,
enum dma_data_direction direction,
struct dma_attrs *attrs)
{
- struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+ struct dma_map_ops *dma_ops = get_dma_ops(dev);
BUG_ON(!dma_ops);
@@ -198,7 +156,7 @@ static inline dma_addr_t dma_map_page_attrs(struct device *dev,
enum dma_data_direction direction,
struct dma_attrs *attrs)
{
- struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+ struct dma_map_ops *dma_ops = get_dma_ops(dev);
BUG_ON(!dma_ops);
@@ -211,7 +169,7 @@ static inline void dma_unmap_page_attrs(struct device *dev,
enum dma_data_direction direction,
struct dma_attrs *attrs)
{
- struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+ struct dma_map_ops *dma_ops = get_dma_ops(dev);
BUG_ON(!dma_ops);
@@ -222,7 +180,7 @@ static inline int dma_map_sg_attrs(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction direction,
struct dma_attrs *attrs)
{
- struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+ struct dma_map_ops *dma_ops = get_dma_ops(dev);
BUG_ON(!dma_ops);
return dma_ops->map_sg(dev, sg, nents, direction, attrs);
@@ -234,7 +192,7 @@ static inline void dma_unmap_sg_attrs(struct device *dev,
enum dma_data_direction direction,
struct dma_attrs *attrs)
{
- struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+ struct dma_map_ops *dma_ops = get_dma_ops(dev);
BUG_ON(!dma_ops);
dma_ops->unmap_sg(dev, sg, nhwentries, direction, attrs);
@@ -243,7 +201,7 @@ static inline void dma_unmap_sg_attrs(struct device *dev,
static inline void *dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag)
{
- struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+ struct dma_map_ops *dma_ops = get_dma_ops(dev);
BUG_ON(!dma_ops);
return dma_ops->alloc_coherent(dev, size, dma_handle, flag);
@@ -252,7 +210,7 @@ static inline void *dma_alloc_coherent(struct device *dev, size_t size,
static inline void dma_free_coherent(struct device *dev, size_t size,
void *cpu_addr, dma_addr_t dma_handle)
{
- struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+ struct dma_map_ops *dma_ops = get_dma_ops(dev);
BUG_ON(!dma_ops);
dma_ops->free_coherent(dev, size, cpu_addr, dma_handle);
@@ -304,7 +262,7 @@ static inline void dma_sync_single_for_cpu(struct device *dev,
dma_addr_t dma_handle, size_t size,
enum dma_data_direction direction)
{
- struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+ struct dma_map_ops *dma_ops = get_dma_ops(dev);
BUG_ON(!dma_ops);
@@ -317,7 +275,7 @@ static inline void dma_sync_single_for_device(struct device *dev,
dma_addr_t dma_handle, size_t size,
enum dma_data_direction direction)
{
- struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+ struct dma_map_ops *dma_ops = get_dma_ops(dev);
BUG_ON(!dma_ops);
@@ -330,7 +288,7 @@ static inline void dma_sync_sg_for_cpu(struct device *dev,
struct scatterlist *sgl, int nents,
enum dma_data_direction direction)
{
- struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+ struct dma_map_ops *dma_ops = get_dma_ops(dev);
BUG_ON(!dma_ops);
@@ -342,7 +300,7 @@ static inline void dma_sync_sg_for_device(struct device *dev,
struct scatterlist *sgl, int nents,
enum dma_data_direction direction)
{
- struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+ struct dma_map_ops *dma_ops = get_dma_ops(dev);
BUG_ON(!dma_ops);
@@ -354,7 +312,7 @@ static inline void dma_sync_single_range_for_cpu(struct device *dev,
dma_addr_t dma_handle, unsigned long offset, size_t size,
enum dma_data_direction direction)
{
- struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+ struct dma_map_ops *dma_ops = get_dma_ops(dev);
BUG_ON(!dma_ops);
@@ -367,7 +325,7 @@ static inline void dma_sync_single_range_for_device(struct device *dev,
dma_addr_t dma_handle, unsigned long offset, size_t size,
enum dma_data_direction direction)
{
- struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+ struct dma_map_ops *dma_ops = get_dma_ops(dev);
BUG_ON(!dma_ops);
diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h
index d9483c5..7ae46d7 100644
--- a/arch/powerpc/include/asm/pci.h
+++ b/arch/powerpc/include/asm/pci.h
@@ -61,8 +61,8 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
}
#ifdef CONFIG_PCI
-extern void set_pci_dma_ops(struct dma_mapping_ops *dma_ops);
-extern struct dma_mapping_ops *get_pci_dma_ops(void);
+extern void set_pci_dma_ops(struct dma_map_ops *dma_ops);
+extern struct dma_map_ops *get_pci_dma_ops(void);
#else /* CONFIG_PCI */
#define set_pci_dma_ops(d)
#define get_pci_dma_ops() NULL
diff --git a/arch/powerpc/include/asm/swiotlb.h b/arch/powerpc/include/asm/swiotlb.h
index 21ce0a3..8979d4c 100644
--- a/arch/powerpc/include/asm/swiotlb.h
+++ b/arch/powerpc/include/asm/swiotlb.h
@@ -13,7 +13,7 @@
#include <linux/swiotlb.h>
-extern struct dma_mapping_ops swiotlb_dma_ops;
+extern struct dma_map_ops swiotlb_dma_ops;
static inline void dma_mark_clean(void *addr, size_t size) {}
diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c
index 2983ada..87ddb3f 100644
--- a/arch/powerpc/kernel/dma-iommu.c
+++ b/arch/powerpc/kernel/dma-iommu.c
@@ -89,7 +89,7 @@ static int dma_iommu_dma_supported(struct device *dev, u64 mask)
return 1;
}
-struct dma_mapping_ops dma_iommu_ops = {
+struct dma_map_ops dma_iommu_ops = {
.alloc_coherent = dma_iommu_alloc_coherent,
.free_coherent = dma_iommu_free_coherent,
.map_sg = dma_iommu_map_sg,
diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c
index ca141e1..d1143a6 100644
--- a/arch/powerpc/kernel/dma-swiotlb.c
+++ b/arch/powerpc/kernel/dma-swiotlb.c
@@ -31,7 +31,7 @@ unsigned int ppc_swiotlb_enable;
* map_page, and unmap_page on highmem, use normal dma_ops
* for everything else.
*/
-struct dma_mapping_ops swiotlb_dma_ops = {
+struct dma_map_ops swiotlb_dma_ops = {
.alloc_coherent = dma_direct_alloc_coherent,
.free_coherent = dma_direct_free_coherent,
.map_sg = swiotlb_map_sg_attrs,
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index 20a60d6..3e8bb9a 100644
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -140,7 +140,7 @@ static inline void dma_direct_sync_single_range(struct device *dev,
}
#endif
-struct dma_mapping_ops dma_direct_ops = {
+struct dma_map_ops dma_direct_ops = {
.alloc_coherent = dma_direct_alloc_coherent,
.free_coherent = dma_direct_free_coherent,
.map_sg = dma_direct_map_sg,
diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index 6e3f624..a4c8b38 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -127,7 +127,7 @@ static int ibmebus_dma_supported(struct device *dev, u64 mask)
return 1;
}
-static struct dma_mapping_ops ibmebus_dma_ops = {
+static struct dma_map_ops ibmebus_dma_ops = {
.alloc_coherent = ibmebus_alloc_coherent,
.free_coherent = ibmebus_free_coherent,
.map_sg = ibmebus_map_sg,
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 5a56e97..7585f1f 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -50,14 +50,14 @@ resource_size_t isa_mem_base;
unsigned int ppc_pci_flags = 0;
-static struct dma_mapping_ops *pci_dma_ops = &dma_direct_ops;
+static struct dma_map_ops *pci_dma_ops = &dma_direct_ops;
-void set_pci_dma_ops(struct dma_mapping_ops *dma_ops)
+void set_pci_dma_ops(struct dma_map_ops *dma_ops)
{
pci_dma_ops = dma_ops;
}
-struct dma_mapping_ops *get_pci_dma_ops(void)
+struct dma_map_ops *get_pci_dma_ops(void)
{
return pci_dma_ops;
}
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 819e59f..bc7b41e 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -601,7 +601,7 @@ static void vio_dma_iommu_unmap_sg(struct device *dev,
vio_cmo_dealloc(viodev, alloc_size);
}
-struct dma_mapping_ops vio_dma_mapping_ops = {
+struct dma_map_ops vio_dma_mapping_ops = {
.alloc_coherent = vio_dma_iommu_alloc_coherent,
.free_coherent = vio_dma_iommu_free_coherent,
.map_sg = vio_dma_iommu_map_sg,
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index 5b34fc2..416db17 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -642,7 +642,7 @@ static int dma_fixed_dma_supported(struct device *dev, u64 mask)
static int dma_set_mask_and_switch(struct device *dev, u64 dma_mask);
-struct dma_mapping_ops dma_iommu_fixed_ops = {
+struct dma_map_ops dma_iommu_fixed_ops = {
.alloc_coherent = dma_fixed_alloc_coherent,
.free_coherent = dma_fixed_free_coherent,
.map_sg = dma_fixed_map_sg,
diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c
index 3f763c5..02ddcc2 100644
--- a/arch/powerpc/platforms/ps3/system-bus.c
+++ b/arch/powerpc/platforms/ps3/system-bus.c
@@ -694,7 +694,7 @@ static int ps3_dma_supported(struct device *_dev, u64 mask)
return mask >= DMA_BIT_MASK(32);
}
-static struct dma_mapping_ops ps3_sb_dma_ops = {
+static struct dma_map_ops ps3_sb_dma_ops = {
.alloc_coherent = ps3_alloc_coherent,
.free_coherent = ps3_free_coherent,
.map_sg = ps3_sb_map_sg,
@@ -704,7 +704,7 @@ static struct dma_mapping_ops ps3_sb_dma_ops = {
.unmap_page = ps3_unmap_page,
};
-static struct dma_mapping_ops ps3_ioc0_dma_ops = {
+static struct dma_map_ops ps3_ioc0_dma_ops = {
.alloc_coherent = ps3_alloc_coherent,
.free_coherent = ps3_free_coherent,
.map_sg = ps3_ioc0_map_sg,
--
1.6.0.6
--
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