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nexedi
linux
Commits
6fc3e934
Commit
6fc3e934
authored
Apr 02, 2004
by
Richard Henderson
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[ALPHA] Add pci_dma_mapping_error.
parent
1cc43455
Changes
1
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1 changed file
with
32 additions
and
20 deletions
+32
-20
include/asm-alpha/pci.h
include/asm-alpha/pci.h
+32
-20
No files found.
include/asm-alpha/pci.h
View file @
6fc3e934
...
...
@@ -85,10 +85,10 @@ extern void *pci_alloc_consistent(struct pci_dev *, size_t, dma_addr_t *);
extern
void
pci_free_consistent
(
struct
pci_dev
*
,
size_t
,
void
*
,
dma_addr_t
);
/* Map a single buffer of the indicate size for PCI DMA in streaming
mode. The 32-bit PCI bus mastering address to use is returned.
Once the device is given the dma address, the device owns this memory
until either
pci_unmap_single or pci_dma_sync_single_for_cpu is performed. */
/* Map a single buffer of the indicate size for PCI DMA in streaming
mode.
The 32-bit PCI bus mastering address to use is returned. Once the device
is given the dma address, the device owns this memory until either
pci_unmap_single or pci_dma_sync_single_for_cpu is performed. */
extern
dma_addr_t
pci_map_single
(
struct
pci_dev
*
,
void
*
,
size_t
,
int
);
...
...
@@ -96,6 +96,14 @@ extern dma_addr_t pci_map_single(struct pci_dev *, void *, size_t, int);
extern
dma_addr_t
pci_map_page
(
struct
pci_dev
*
,
struct
page
*
,
unsigned
long
,
size_t
,
int
);
/* Test for pci_map_single or pci_map_page having generated an error. */
static
inline
int
pci_dma_mapping_error
(
dma_addr_t
dma_addr
)
{
return
dma_addr
==
0
;
}
/* Unmap a single streaming mode DMA translation. The DMA_ADDR and
SIZE must match what was provided for in a previous pci_map_single
call. All other usages are undefined. After this call, reads by
...
...
@@ -153,15 +161,15 @@ extern void pci_unmap_sg(struct pci_dev *, struct scatterlist *, int, int);
the buffer. */
static
inline
void
pci_dma_sync_single_for_cpu
(
struct
pci_dev
*
dev
,
dma_addr_t
dma_addr
,
long
size
,
int
direction
)
pci_dma_sync_single_for_cpu
(
struct
pci_dev
*
dev
,
dma_addr_t
dma_addr
,
long
size
,
int
direction
)
{
/* Nothing to do. */
}
static
inline
void
pci_dma_sync_single_for_device
(
struct
pci_dev
*
dev
,
dma_addr_t
dma_addr
,
long
size
,
int
direction
)
pci_dma_sync_single_for_device
(
struct
pci_dev
*
dev
,
dma_addr_t
dma_addr
,
long
size
,
int
direction
)
{
/* Nothing to do. */
}
...
...
@@ -171,15 +179,15 @@ pci_dma_sync_single_for_device(struct pci_dev *dev, dma_addr_t dma_addr, long si
but for a scatter-gather list, same rules and usage. */
static
inline
void
pci_dma_sync_sg_for_cpu
(
struct
pci_dev
*
dev
,
struct
scatterlist
*
sg
,
int
nents
,
int
direction
)
pci_dma_sync_sg_for_cpu
(
struct
pci_dev
*
dev
,
struct
scatterlist
*
sg
,
int
nents
,
int
direction
)
{
/* Nothing to do. */
}
static
inline
void
pci_dma_sync_sg_for_device
(
struct
pci_dev
*
dev
,
struct
scatterlist
*
sg
,
int
nents
,
int
direction
)
pci_dma_sync_sg_for_device
(
struct
pci_dev
*
dev
,
struct
scatterlist
*
sg
,
int
nents
,
int
direction
)
{
/* Nothing to do. */
}
...
...
@@ -196,29 +204,32 @@ extern int pci_dma_supported(struct pci_dev *hwdev, u64 mask);
extern
int
pci_dac_dma_supported
(
struct
pci_dev
*
hwdev
,
u64
mask
);
/* Convert to/from DAC dma address and struct page. */
extern
dma64_addr_t
pci_dac_page_to_dma
(
struct
pci_dev
*
,
struct
page
*
,
unsigned
long
,
int
);
extern
dma64_addr_t
pci_dac_page_to_dma
(
struct
pci_dev
*
,
struct
page
*
,
unsigned
long
,
int
);
extern
struct
page
*
pci_dac_dma_to_page
(
struct
pci_dev
*
,
dma64_addr_t
);
extern
unsigned
long
pci_dac_dma_to_offset
(
struct
pci_dev
*
,
dma64_addr_t
);
static
inline
void
pci_dac_dma_sync_single_for_cpu
(
struct
pci_dev
*
pdev
,
dma64_addr_t
dma_addr
,
size_t
len
,
int
direction
)
pci_dac_dma_sync_single_for_cpu
(
struct
pci_dev
*
pdev
,
dma64_addr_t
dma_addr
,
size_t
len
,
int
direction
)
{
/* Nothing to do. */
}
static
inline
void
pci_dac_dma_sync_single_for_device
(
struct
pci_dev
*
pdev
,
dma64_addr_t
dma_addr
,
size_t
len
,
int
direction
)
pci_dac_dma_sync_single_for_device
(
struct
pci_dev
*
pdev
,
dma64_addr_t
dma_addr
,
size_t
len
,
int
direction
)
{
/* Nothing to do. */
}
extern
void
pcibios_resource_to_bus
(
struct
pci_dev
*
dev
,
struct
pci_bus_region
*
region
,
struct
resource
*
res
);
extern
void
pcibios_resource_to_bus
(
struct
pci_dev
*
,
struct
pci_bus_region
*
,
struct
resource
*
);
#define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index
static
inline
int
pci_name_bus
(
char
*
name
,
struct
pci_bus
*
bus
)
static
inline
int
pci_name_bus
(
char
*
name
,
struct
pci_bus
*
bus
)
{
struct
pci_controller
*
hose
=
bus
->
sysdata
;
...
...
@@ -230,7 +241,8 @@ static inline int pci_name_bus(char *name, struct pci_bus *bus)
return
0
;
}
static
inline
void
pcibios_add_platform_entries
(
struct
pci_dev
*
dev
)
static
inline
void
pcibios_add_platform_entries
(
struct
pci_dev
*
dev
)
{
}
...
...
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