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16ce82d8
编写于
4月 26, 2007
作者:
D
David S. Miller
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
[SPARC64]: Convert PCI over to generic struct iommu/strbuf.
Signed-off-by:
N
David S. Miller
<
davem@davemloft.net
>
上级
ee5ac9dd
变更
6
隐藏空白更改
内联
并排
Showing
6 changed file
with
66 addition
and
144 deletion
+66
-144
arch/sparc64/kernel/pci_iommu.c
arch/sparc64/kernel/pci_iommu.c
+26
-27
arch/sparc64/kernel/pci_psycho.c
arch/sparc64/kernel/pci_psycho.c
+5
-5
arch/sparc64/kernel/pci_sabre.c
arch/sparc64/kernel/pci_sabre.c
+5
-6
arch/sparc64/kernel/pci_schizo.c
arch/sparc64/kernel/pci_schizo.c
+6
-6
arch/sparc64/kernel/pci_sun4v.c
arch/sparc64/kernel/pci_sun4v.c
+17
-17
include/asm-sparc64/pbm.h
include/asm-sparc64/pbm.h
+7
-83
未找到文件。
arch/sparc64/kernel/pci_iommu.c
浏览文件 @
16ce82d8
/* $Id: pci_iommu.c,v 1.17 2001/12/17 07:05:09 davem Exp $
* pci_iommu.c: UltraSparc PCI controller IOM/STC support.
/* pci_iommu.c: UltraSparc PCI controller IOM/STC support.
*
* Copyright (C) 1999
David S. Miller (davem@redhat.com
)
* Copyright (C) 1999
, 2007 David S. Miller (davem@davemloft.net
)
* Copyright (C) 1999, 2000 Jakub Jelinek (jakub@redhat.com)
*/
...
...
@@ -36,7 +35,7 @@
"i" (ASI_PHYS_BYPASS_EC_E))
/* Must be invoked under the IOMMU lock. */
static
void
__iommu_flushall
(
struct
pci_
iommu
*
iommu
)
static
void
__iommu_flushall
(
struct
iommu
*
iommu
)
{
unsigned
long
tag
;
int
entry
;
...
...
@@ -64,7 +63,7 @@ static void __iommu_flushall(struct pci_iommu *iommu)
#define IOPTE_IS_DUMMY(iommu, iopte) \
((iopte_val(*iopte) & IOPTE_PAGE) == (iommu)->dummy_page_pa)
static
inline
void
iopte_make_dummy
(
struct
pci_
iommu
*
iommu
,
iopte_t
*
iopte
)
static
inline
void
iopte_make_dummy
(
struct
iommu
*
iommu
,
iopte_t
*
iopte
)
{
unsigned
long
val
=
iopte_val
(
*
iopte
);
...
...
@@ -75,7 +74,7 @@ static inline void iopte_make_dummy(struct pci_iommu *iommu, iopte_t *iopte)
}
/* Based largely upon the ppc64 iommu allocator. */
static
long
pci_arena_alloc
(
struct
pci_
iommu
*
iommu
,
unsigned
long
npages
)
static
long
pci_arena_alloc
(
struct
iommu
*
iommu
,
unsigned
long
npages
)
{
struct
iommu_arena
*
arena
=
&
iommu
->
arena
;
unsigned
long
n
,
i
,
start
,
end
,
limit
;
...
...
@@ -124,7 +123,7 @@ static void pci_arena_free(struct iommu_arena *arena, unsigned long base, unsign
__clear_bit
(
i
,
arena
->
map
);
}
void
pci_iommu_table_init
(
struct
pci_
iommu
*
iommu
,
int
tsbsize
,
u32
dma_offset
,
u32
dma_addr_mask
)
void
pci_iommu_table_init
(
struct
iommu
*
iommu
,
int
tsbsize
,
u32
dma_offset
,
u32
dma_addr_mask
)
{
unsigned
long
i
,
tsbbase
,
order
,
sz
,
num_tsb_entries
;
...
...
@@ -170,7 +169,7 @@ void pci_iommu_table_init(struct pci_iommu *iommu, int tsbsize, u32 dma_offset,
iopte_make_dummy
(
iommu
,
&
iommu
->
page_table
[
i
]);
}
static
inline
iopte_t
*
alloc_npages
(
struct
pci_
iommu
*
iommu
,
unsigned
long
npages
)
static
inline
iopte_t
*
alloc_npages
(
struct
iommu
*
iommu
,
unsigned
long
npages
)
{
long
entry
;
...
...
@@ -181,12 +180,12 @@ static inline iopte_t *alloc_npages(struct pci_iommu *iommu, unsigned long npage
return
iommu
->
page_table
+
entry
;
}
static
inline
void
free_npages
(
struct
pci_
iommu
*
iommu
,
dma_addr_t
base
,
unsigned
long
npages
)
static
inline
void
free_npages
(
struct
iommu
*
iommu
,
dma_addr_t
base
,
unsigned
long
npages
)
{
pci_arena_free
(
&
iommu
->
arena
,
base
>>
IO_PAGE_SHIFT
,
npages
);
}
static
int
iommu_alloc_ctx
(
struct
pci_
iommu
*
iommu
)
static
int
iommu_alloc_ctx
(
struct
iommu
*
iommu
)
{
int
lowest
=
iommu
->
ctx_lowest_free
;
int
sz
=
IOMMU_NUM_CTXS
-
lowest
;
...
...
@@ -205,7 +204,7 @@ static int iommu_alloc_ctx(struct pci_iommu *iommu)
return
n
;
}
static
inline
void
iommu_free_ctx
(
struct
pci_
iommu
*
iommu
,
int
ctx
)
static
inline
void
iommu_free_ctx
(
struct
iommu
*
iommu
,
int
ctx
)
{
if
(
likely
(
ctx
))
{
__clear_bit
(
ctx
,
iommu
->
ctx_bitmap
);
...
...
@@ -220,7 +219,7 @@ static inline void iommu_free_ctx(struct pci_iommu *iommu, int ctx)
*/
static
void
*
pci_4u_alloc_consistent
(
struct
pci_dev
*
pdev
,
size_t
size
,
dma_addr_t
*
dma_addrp
,
gfp_t
gfp
)
{
struct
pci_
iommu
*
iommu
;
struct
iommu
*
iommu
;
iopte_t
*
iopte
;
unsigned
long
flags
,
order
,
first_page
;
void
*
ret
;
...
...
@@ -266,7 +265,7 @@ static void *pci_4u_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr
/* Free and unmap a consistent DMA translation. */
static
void
pci_4u_free_consistent
(
struct
pci_dev
*
pdev
,
size_t
size
,
void
*
cpu
,
dma_addr_t
dvma
)
{
struct
pci_
iommu
*
iommu
;
struct
iommu
*
iommu
;
iopte_t
*
iopte
;
unsigned
long
flags
,
order
,
npages
;
...
...
@@ -291,8 +290,8 @@ static void pci_4u_free_consistent(struct pci_dev *pdev, size_t size, void *cpu,
*/
static
dma_addr_t
pci_4u_map_single
(
struct
pci_dev
*
pdev
,
void
*
ptr
,
size_t
sz
,
int
direction
)
{
struct
pci_
iommu
*
iommu
;
struct
pci_
strbuf
*
strbuf
;
struct
iommu
*
iommu
;
struct
strbuf
*
strbuf
;
iopte_t
*
base
;
unsigned
long
flags
,
npages
,
oaddr
;
unsigned
long
i
,
base_paddr
,
ctx
;
...
...
@@ -343,7 +342,7 @@ static dma_addr_t pci_4u_map_single(struct pci_dev *pdev, void *ptr, size_t sz,
return
PCI_DMA_ERROR_CODE
;
}
static
void
pci_strbuf_flush
(
struct
pci_strbuf
*
strbuf
,
struct
pci_
iommu
*
iommu
,
u32
vaddr
,
unsigned
long
ctx
,
unsigned
long
npages
,
int
direction
)
static
void
pci_strbuf_flush
(
struct
strbuf
*
strbuf
,
struct
iommu
*
iommu
,
u32
vaddr
,
unsigned
long
ctx
,
unsigned
long
npages
,
int
direction
)
{
int
limit
;
...
...
@@ -410,8 +409,8 @@ static void pci_strbuf_flush(struct pci_strbuf *strbuf, struct pci_iommu *iommu,
/* Unmap a single streaming mode DMA translation. */
static
void
pci_4u_unmap_single
(
struct
pci_dev
*
pdev
,
dma_addr_t
bus_addr
,
size_t
sz
,
int
direction
)
{
struct
pci_
iommu
*
iommu
;
struct
pci_
strbuf
*
strbuf
;
struct
iommu
*
iommu
;
struct
strbuf
*
strbuf
;
iopte_t
*
base
;
unsigned
long
flags
,
npages
,
ctx
,
i
;
...
...
@@ -541,8 +540,8 @@ static inline void fill_sg(iopte_t *iopte, struct scatterlist *sg,
*/
static
int
pci_4u_map_sg
(
struct
pci_dev
*
pdev
,
struct
scatterlist
*
sglist
,
int
nelems
,
int
direction
)
{
struct
pci_
iommu
*
iommu
;
struct
pci_
strbuf
*
strbuf
;
struct
iommu
*
iommu
;
struct
strbuf
*
strbuf
;
unsigned
long
flags
,
ctx
,
npages
,
iopte_protection
;
iopte_t
*
base
;
u32
dma_base
;
...
...
@@ -626,8 +625,8 @@ static int pci_4u_map_sg(struct pci_dev *pdev, struct scatterlist *sglist, int n
/* Unmap a set of streaming mode DMA translations. */
static
void
pci_4u_unmap_sg
(
struct
pci_dev
*
pdev
,
struct
scatterlist
*
sglist
,
int
nelems
,
int
direction
)
{
struct
pci_
iommu
*
iommu
;
struct
pci_
strbuf
*
strbuf
;
struct
iommu
*
iommu
;
struct
strbuf
*
strbuf
;
iopte_t
*
base
;
unsigned
long
flags
,
ctx
,
i
,
npages
;
u32
bus_addr
;
...
...
@@ -684,8 +683,8 @@ static void pci_4u_unmap_sg(struct pci_dev *pdev, struct scatterlist *sglist, in
*/
static
void
pci_4u_dma_sync_single_for_cpu
(
struct
pci_dev
*
pdev
,
dma_addr_t
bus_addr
,
size_t
sz
,
int
direction
)
{
struct
pci_
iommu
*
iommu
;
struct
pci_
strbuf
*
strbuf
;
struct
iommu
*
iommu
;
struct
strbuf
*
strbuf
;
unsigned
long
flags
,
ctx
,
npages
;
iommu
=
pdev
->
dev
.
archdata
.
iommu
;
...
...
@@ -722,8 +721,8 @@ static void pci_4u_dma_sync_single_for_cpu(struct pci_dev *pdev, dma_addr_t bus_
*/
static
void
pci_4u_dma_sync_sg_for_cpu
(
struct
pci_dev
*
pdev
,
struct
scatterlist
*
sglist
,
int
nelems
,
int
direction
)
{
struct
pci_
iommu
*
iommu
;
struct
pci_
strbuf
*
strbuf
;
struct
iommu
*
iommu
;
struct
strbuf
*
strbuf
;
unsigned
long
flags
,
ctx
,
npages
,
i
;
u32
bus_addr
;
...
...
@@ -798,7 +797,7 @@ int pci_dma_supported(struct pci_dev *pdev, u64 device_mask)
if
(
pdev
==
NULL
)
{
dma_addr_mask
=
0xffffffff
;
}
else
{
struct
pci_
iommu
*
iommu
=
pdev
->
dev
.
archdata
.
iommu
;
struct
iommu
*
iommu
=
pdev
->
dev
.
archdata
.
iommu
;
dma_addr_mask
=
iommu
->
dma_addr_mask
;
...
...
arch/sparc64/kernel/pci_psycho.c
浏览文件 @
16ce82d8
...
...
@@ -269,7 +269,7 @@ static void __psycho_check_one_stc(struct pci_controller_info *p,
struct
pci_pbm_info
*
pbm
,
int
is_pbm_a
)
{
struct
pci_
strbuf
*
strbuf
=
&
pbm
->
stc
;
struct
strbuf
*
strbuf
=
&
pbm
->
stc
;
unsigned
long
regbase
=
p
->
pbm_A
.
controller_regs
;
unsigned
long
err_base
,
tag_base
,
line_base
;
u64
control
;
...
...
@@ -418,7 +418,7 @@ static void psycho_check_iommu_error(struct pci_controller_info *p,
unsigned
long
afar
,
enum
psycho_error_type
type
)
{
struct
pci_
iommu
*
iommu
=
p
->
pbm_A
.
iommu
;
struct
iommu
*
iommu
=
p
->
pbm_A
.
iommu
;
unsigned
long
iommu_tag
[
16
];
unsigned
long
iommu_data
[
16
];
unsigned
long
flags
;
...
...
@@ -941,7 +941,7 @@ static void psycho_scan_bus(struct pci_controller_info *p)
static
void
psycho_iommu_init
(
struct
pci_controller_info
*
p
)
{
struct
pci_
iommu
*
iommu
=
p
->
pbm_A
.
iommu
;
struct
iommu
*
iommu
=
p
->
pbm_A
.
iommu
;
unsigned
long
i
;
u64
control
;
...
...
@@ -1131,7 +1131,7 @@ void psycho_init(struct device_node *dp, char *model_name)
{
struct
linux_prom64_registers
*
pr_regs
;
struct
pci_controller_info
*
p
;
struct
pci_
iommu
*
iommu
;
struct
iommu
*
iommu
;
struct
property
*
prop
;
u32
upa_portid
;
int
is_pbm_a
;
...
...
@@ -1154,7 +1154,7 @@ void psycho_init(struct device_node *dp, char *model_name)
prom_printf
(
"PSYCHO: Fatal memory allocation error.
\n
"
);
prom_halt
();
}
iommu
=
kzalloc
(
sizeof
(
struct
pci_
iommu
),
GFP_ATOMIC
);
iommu
=
kzalloc
(
sizeof
(
struct
iommu
),
GFP_ATOMIC
);
if
(
!
iommu
)
{
prom_printf
(
"PSYCHO: Fatal memory allocation error.
\n
"
);
prom_halt
();
...
...
arch/sparc64/kernel/pci_sabre.c
浏览文件 @
16ce82d8
/* $Id: pci_sabre.c,v 1.42 2002/01/23 11:27:32 davem Exp $
* pci_sabre.c: Sabre specific PCI controller support.
/* pci_sabre.c: Sabre specific PCI controller support.
*
* Copyright (C) 1997, 1998, 1999
David S. Miller (davem@caipfs.rutgers.edu
)
* Copyright (C) 1997, 1998, 1999
, 2007 David S. Miller (davem@davemloft.net
)
* Copyright (C) 1998, 1999 Eddie C. Dost (ecd@skynet.be)
* Copyright (C) 1999 Jakub Jelinek (jakub@redhat.com)
*/
...
...
@@ -499,7 +498,7 @@ static void sabre_check_iommu_error(struct pci_controller_info *p,
unsigned
long
afsr
,
unsigned
long
afar
)
{
struct
pci_
iommu
*
iommu
=
p
->
pbm_A
.
iommu
;
struct
iommu
*
iommu
=
p
->
pbm_A
.
iommu
;
unsigned
long
iommu_tag
[
16
];
unsigned
long
iommu_data
[
16
];
unsigned
long
flags
;
...
...
@@ -948,7 +947,7 @@ static void sabre_iommu_init(struct pci_controller_info *p,
int
tsbsize
,
unsigned
long
dvma_offset
,
u32
dma_mask
)
{
struct
pci_
iommu
*
iommu
=
p
->
pbm_A
.
iommu
;
struct
iommu
*
iommu
=
p
->
pbm_A
.
iommu
;
unsigned
long
i
;
u64
control
;
...
...
@@ -1017,7 +1016,7 @@ void sabre_init(struct device_node *dp, char *model_name)
{
const
struct
linux_prom64_registers
*
pr_regs
;
struct
pci_controller_info
*
p
;
struct
pci_
iommu
*
iommu
;
struct
iommu
*
iommu
;
int
tsbsize
;
const
u32
*
busrange
;
const
u32
*
vdma
;
...
...
arch/sparc64/kernel/pci_schizo.c
浏览文件 @
16ce82d8
...
...
@@ -279,7 +279,7 @@ struct pci_pbm_info *pbm_for_ino(struct pci_controller_info *p, u32 ino)
static
void
__schizo_check_stc_error_pbm
(
struct
pci_pbm_info
*
pbm
,
enum
schizo_error_type
type
)
{
struct
pci_
strbuf
*
strbuf
=
&
pbm
->
stc
;
struct
strbuf
*
strbuf
=
&
pbm
->
stc
;
unsigned
long
regbase
=
pbm
->
pbm_regs
;
unsigned
long
err_base
,
tag_base
,
line_base
;
u64
control
;
...
...
@@ -387,7 +387,7 @@ static void __schizo_check_stc_error_pbm(struct pci_pbm_info *pbm,
static
void
schizo_check_iommu_error_pbm
(
struct
pci_pbm_info
*
pbm
,
enum
schizo_error_type
type
)
{
struct
pci_
iommu
*
iommu
=
pbm
->
iommu
;
struct
iommu
*
iommu
=
pbm
->
iommu
;
unsigned
long
iommu_tag
[
16
];
unsigned
long
iommu_data
[
16
];
unsigned
long
flags
;
...
...
@@ -1308,7 +1308,7 @@ static void schizo_pbm_strbuf_init(struct pci_pbm_info *pbm)
static
void
schizo_pbm_iommu_init
(
struct
pci_pbm_info
*
pbm
)
{
struct
pci_
iommu
*
iommu
=
pbm
->
iommu
;
struct
iommu
*
iommu
=
pbm
->
iommu
;
unsigned
long
i
,
tagbase
,
database
;
struct
property
*
prop
;
u32
vdma
[
2
],
dma_mask
;
...
...
@@ -1580,7 +1580,7 @@ static inline int portid_compare(u32 x, u32 y, int chip_type)
static
void
__schizo_init
(
struct
device_node
*
dp
,
char
*
model_name
,
int
chip_type
)
{
struct
pci_controller_info
*
p
;
struct
pci_
iommu
*
iommu
;
struct
iommu
*
iommu
;
u32
portid
;
portid
=
of_getintprop_default
(
dp
,
"portid"
,
0xff
);
...
...
@@ -1605,13 +1605,13 @@ static void __schizo_init(struct device_node *dp, char *model_name, int chip_typ
if
(
!
p
)
goto
memfail
;
iommu
=
kzalloc
(
sizeof
(
struct
pci_
iommu
),
GFP_ATOMIC
);
iommu
=
kzalloc
(
sizeof
(
struct
iommu
),
GFP_ATOMIC
);
if
(
!
iommu
)
goto
memfail
;
p
->
pbm_A
.
iommu
=
iommu
;
iommu
=
kzalloc
(
sizeof
(
struct
pci_
iommu
),
GFP_ATOMIC
);
iommu
=
kzalloc
(
sizeof
(
struct
iommu
),
GFP_ATOMIC
);
if
(
!
iommu
)
goto
memfail
;
...
...
arch/sparc64/kernel/pci_sun4v.c
浏览文件 @
16ce82d8
...
...
@@ -29,7 +29,7 @@
#define PGLIST_NENTS (PAGE_SIZE / sizeof(u64))
struct
pci_
iommu_batch
{
struct
iommu_batch
{
struct
pci_dev
*
pdev
;
/* Device mapping is for. */
unsigned
long
prot
;
/* IOMMU page protections */
unsigned
long
entry
;
/* Index into IOTSB. */
...
...
@@ -37,12 +37,12 @@ struct pci_iommu_batch {
unsigned
long
npages
;
/* Number of pages in list. */
};
static
DEFINE_PER_CPU
(
struct
pci_
iommu_batch
,
pci_iommu_batch
);
static
DEFINE_PER_CPU
(
struct
iommu_batch
,
pci_iommu_batch
);
/* Interrupts must be disabled. */
static
inline
void
pci_iommu_batch_start
(
struct
pci_dev
*
pdev
,
unsigned
long
prot
,
unsigned
long
entry
)
{
struct
pci_
iommu_batch
*
p
=
&
__get_cpu_var
(
pci_iommu_batch
);
struct
iommu_batch
*
p
=
&
__get_cpu_var
(
pci_iommu_batch
);
p
->
pdev
=
pdev
;
p
->
prot
=
prot
;
...
...
@@ -51,7 +51,7 @@ static inline void pci_iommu_batch_start(struct pci_dev *pdev, unsigned long pro
}
/* Interrupts must be disabled. */
static
long
pci_iommu_batch_flush
(
struct
pci_
iommu_batch
*
p
)
static
long
pci_iommu_batch_flush
(
struct
iommu_batch
*
p
)
{
struct
pci_pbm_info
*
pbm
=
p
->
pdev
->
dev
.
archdata
.
host_controller
;
unsigned
long
devhandle
=
pbm
->
devhandle
;
...
...
@@ -89,7 +89,7 @@ static long pci_iommu_batch_flush(struct pci_iommu_batch *p)
/* Interrupts must be disabled. */
static
inline
long
pci_iommu_batch_add
(
u64
phys_page
)
{
struct
pci_
iommu_batch
*
p
=
&
__get_cpu_var
(
pci_iommu_batch
);
struct
iommu_batch
*
p
=
&
__get_cpu_var
(
pci_iommu_batch
);
BUG_ON
(
p
->
npages
>=
PGLIST_NENTS
);
...
...
@@ -103,7 +103,7 @@ static inline long pci_iommu_batch_add(u64 phys_page)
/* Interrupts must be disabled. */
static
inline
long
pci_iommu_batch_end
(
void
)
{
struct
pci_
iommu_batch
*
p
=
&
__get_cpu_var
(
pci_iommu_batch
);
struct
iommu_batch
*
p
=
&
__get_cpu_var
(
pci_iommu_batch
);
BUG_ON
(
p
->
npages
>=
PGLIST_NENTS
);
...
...
@@ -159,7 +159,7 @@ static void pci_arena_free(struct iommu_arena *arena, unsigned long base, unsign
static
void
*
pci_4v_alloc_consistent
(
struct
pci_dev
*
pdev
,
size_t
size
,
dma_addr_t
*
dma_addrp
,
gfp_t
gfp
)
{
struct
pci_
iommu
*
iommu
;
struct
iommu
*
iommu
;
unsigned
long
flags
,
order
,
first_page
,
npages
,
n
;
void
*
ret
;
long
entry
;
...
...
@@ -225,7 +225,7 @@ static void *pci_4v_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr
static
void
pci_4v_free_consistent
(
struct
pci_dev
*
pdev
,
size_t
size
,
void
*
cpu
,
dma_addr_t
dvma
)
{
struct
pci_pbm_info
*
pbm
;
struct
pci_
iommu
*
iommu
;
struct
iommu
*
iommu
;
unsigned
long
flags
,
order
,
npages
,
entry
;
u32
devhandle
;
...
...
@@ -257,7 +257,7 @@ static void pci_4v_free_consistent(struct pci_dev *pdev, size_t size, void *cpu,
static
dma_addr_t
pci_4v_map_single
(
struct
pci_dev
*
pdev
,
void
*
ptr
,
size_t
sz
,
int
direction
)
{
struct
pci_
iommu
*
iommu
;
struct
iommu
*
iommu
;
unsigned
long
flags
,
npages
,
oaddr
;
unsigned
long
i
,
base_paddr
;
u32
bus_addr
,
ret
;
...
...
@@ -321,7 +321,7 @@ static dma_addr_t pci_4v_map_single(struct pci_dev *pdev, void *ptr, size_t sz,
static
void
pci_4v_unmap_single
(
struct
pci_dev
*
pdev
,
dma_addr_t
bus_addr
,
size_t
sz
,
int
direction
)
{
struct
pci_pbm_info
*
pbm
;
struct
pci_
iommu
*
iommu
;
struct
iommu
*
iommu
;
unsigned
long
flags
,
npages
;
long
entry
;
u32
devhandle
;
...
...
@@ -456,7 +456,7 @@ static inline long fill_sg(long entry, struct pci_dev *pdev,
static
int
pci_4v_map_sg
(
struct
pci_dev
*
pdev
,
struct
scatterlist
*
sglist
,
int
nelems
,
int
direction
)
{
struct
pci_
iommu
*
iommu
;
struct
iommu
*
iommu
;
unsigned
long
flags
,
npages
,
prot
;
u32
dma_base
;
struct
scatterlist
*
sgtmp
;
...
...
@@ -532,7 +532,7 @@ static int pci_4v_map_sg(struct pci_dev *pdev, struct scatterlist *sglist, int n
static
void
pci_4v_unmap_sg
(
struct
pci_dev
*
pdev
,
struct
scatterlist
*
sglist
,
int
nelems
,
int
direction
)
{
struct
pci_pbm_info
*
pbm
;
struct
pci_
iommu
*
iommu
;
struct
iommu
*
iommu
;
unsigned
long
flags
,
i
,
npages
;
long
entry
;
u32
devhandle
,
bus_addr
;
...
...
@@ -705,7 +705,7 @@ static void pci_sun4v_scan_bus(struct pci_controller_info *p)
}
static
unsigned
long
probe_existing_entries
(
struct
pci_pbm_info
*
pbm
,
struct
pci_
iommu
*
iommu
)
struct
iommu
*
iommu
)
{
struct
iommu_arena
*
arena
=
&
iommu
->
arena
;
unsigned
long
i
,
cnt
=
0
;
...
...
@@ -734,7 +734,7 @@ static unsigned long probe_existing_entries(struct pci_pbm_info *pbm,
static
void
pci_sun4v_iommu_init
(
struct
pci_pbm_info
*
pbm
)
{
struct
pci_
iommu
*
iommu
=
pbm
->
iommu
;
struct
iommu
*
iommu
=
pbm
->
iommu
;
struct
property
*
prop
;
unsigned
long
num_tsb_entries
,
sz
;
u32
vdma
[
2
],
dma_mask
,
dma_offset
;
...
...
@@ -1279,7 +1279,7 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, struct device_node
void
sun4v_pci_init
(
struct
device_node
*
dp
,
char
*
model_name
)
{
struct
pci_controller_info
*
p
;
struct
pci_
iommu
*
iommu
;
struct
iommu
*
iommu
;
struct
property
*
prop
;
struct
linux_prom64_registers
*
regs
;
u32
devhandle
;
...
...
@@ -1319,13 +1319,13 @@ void sun4v_pci_init(struct device_node *dp, char *model_name)
if
(
!
p
)
goto
fatal_memory_error
;
iommu
=
kzalloc
(
sizeof
(
struct
pci_
iommu
),
GFP_ATOMIC
);
iommu
=
kzalloc
(
sizeof
(
struct
iommu
),
GFP_ATOMIC
);
if
(
!
iommu
)
goto
fatal_memory_error
;
p
->
pbm_A
.
iommu
=
iommu
;
iommu
=
kzalloc
(
sizeof
(
struct
pci_
iommu
),
GFP_ATOMIC
);
iommu
=
kzalloc
(
sizeof
(
struct
iommu
),
GFP_ATOMIC
);
if
(
!
iommu
)
goto
fatal_memory_error
;
...
...
include/asm-sparc64/pbm.h
浏览文件 @
16ce82d8
/* $Id: pbm.h,v 1.27 2001/08/12 13:18:23 davem Exp $
* pbm.h: UltraSparc PCI controller software state.
/* pbm.h: UltraSparc PCI controller software state.
*
* Copyright (C) 1997, 1998, 1999
David S. Miller (davem@redhat.com
)
* Copyright (C) 1997, 1998, 1999
, 2007 David S. Miller (davem@davemloft.net
)
*/
#ifndef __SPARC64_PBM_H
...
...
@@ -30,84 +29,7 @@
* PCI bus.
*/
struct
pci_controller_info
;
/* This contains the software state necessary to drive a PCI
* controller's IOMMU.
*/
struct
pci_iommu
{
/* This protects the controller's IOMMU and all
* streaming buffers underneath.
*/
spinlock_t
lock
;
struct
iommu_arena
arena
;
/* IOMMU page table, a linear array of ioptes. */
iopte_t
*
page_table
;
/* The page table itself. */
/* Base PCI memory space address where IOMMU mappings
* begin.
*/
u32
page_table_map_base
;
/* IOMMU Controller Registers */
unsigned
long
iommu_control
;
/* IOMMU control register */
unsigned
long
iommu_tsbbase
;
/* IOMMU page table base register */
unsigned
long
iommu_flush
;
/* IOMMU page flush register */
unsigned
long
iommu_ctxflush
;
/* IOMMU context flush register */
/* This is a register in the PCI controller, which if
* read will have no side-effects but will guarantee
* completion of all previous writes into IOMMU/STC.
*/
unsigned
long
write_complete_reg
;
/* In order to deal with some buggy third-party PCI bridges that
* do wrong prefetching, we never mark valid mappings as invalid.
* Instead we point them at this dummy page.
*/
unsigned
long
dummy_page
;
unsigned
long
dummy_page_pa
;
/* CTX allocation. */
unsigned
long
ctx_lowest_free
;
DECLARE_BITMAP
(
ctx_bitmap
,
IOMMU_NUM_CTXS
);
/* Here a PCI controller driver describes the areas of
* PCI memory space where DMA to/from physical memory
* are addressed. Drivers interrogate the PCI layer
* if their device has addressing limitations. They
* do so via pci_dma_supported, and pass in a mask of
* DMA address bits their device can actually drive.
*
* The test for being usable is:
* (device_mask & dma_addr_mask) == dma_addr_mask
*/
u32
dma_addr_mask
;
};
extern
void
pci_iommu_table_init
(
struct
pci_iommu
*
iommu
,
int
tsbsize
,
u32
dma_offset
,
u32
dma_addr_mask
);
/* This describes a PCI bus module's streaming buffer. */
struct
pci_strbuf
{
int
strbuf_enabled
;
/* Present and using it? */
/* Streaming Buffer Control Registers */
unsigned
long
strbuf_control
;
/* STC control register */
unsigned
long
strbuf_pflush
;
/* STC page flush register */
unsigned
long
strbuf_fsync
;
/* STC flush synchronization reg */
unsigned
long
strbuf_ctxflush
;
/* STC context flush register */
unsigned
long
strbuf_ctxmatch_base
;
/* STC context flush match reg */
unsigned
long
strbuf_flushflag_pa
;
/* Physical address of flush flag */
volatile
unsigned
long
*
strbuf_flushflag
;
/* The flush flag itself */
/* And this is the actual flush flag area.
* We allocate extra because the chips require
* a 64-byte aligned area.
*/
volatile
unsigned
long
__flushflag_buf
[(
64
+
(
64
-
1
))
/
sizeof
(
long
)];
};
extern
void
pci_iommu_table_init
(
struct
iommu
*
iommu
,
int
tsbsize
,
u32
dma_offset
,
u32
dma_addr_mask
);
#define PCI_STC_FLUSHFLAG_INIT(STC) \
(*((STC)->strbuf_flushflag) = 0UL)
...
...
@@ -120,6 +42,8 @@ struct pci_strbuf {
#define PROM_PCIRNG_MAX 64
#define PROM_PCIIMAP_MAX 64
struct
pci_controller_info
;
struct
pci_pbm_info
{
/* PCI controller we sit under. */
struct
pci_controller_info
*
parent
;
...
...
@@ -186,10 +110,10 @@ struct pci_pbm_info {
#endif
/* !(CONFIG_PCI_MSI) */
/* This PBM's streaming buffer. */
struct
pci_strbuf
stc
;
struct
strbuf
stc
;
/* IOMMU state, potentially shared by both PBM segments. */
struct
pci_iommu
*
iommu
;
struct
iommu
*
iommu
;
/* Now things for the actual PCI bus probes. */
unsigned
int
pci_first_busno
;
...
...
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