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FPGA Configuration Space
Commits
6b5c357c
Commit
6b5c357c
authored
Oct 08, 2014
by
Alessandro Rubini
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sdbfs/lib: new functions, to find FPGA cores by name or ID
Signed-off-by:
Alessandro Rubini
<
rubini@gnudd.com
>
ed
parent
d5741b4e
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+30
-0
glue.c
sdbfs/lib/glue.c
+28
-0
libsdbfs.h
sdbfs/lib/libsdbfs.h
+2
-0
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sdbfs/lib/glue.c
View file @
6b5c357c
...
...
@@ -232,3 +232,31 @@ int sdbfs_close(struct sdbfs *fs)
return
0
;
}
/* to "find" a device, open it, get the current offset, then close */
unsigned
long
sdbfs_find_name
(
struct
sdbfs
*
fs
,
const
char
*
name
)
{
unsigned
long
offset
;
int
ret
;
ret
=
sdbfs_open_name
(
fs
,
name
);
if
(
ret
<
0
)
return
(
unsigned
long
)
ret
;
offset
=
fs
->
f_offset
;
sdbfs_close
(
fs
);
return
offset
;
}
unsigned
long
sdbfs_find_id
(
struct
sdbfs
*
fs
,
uint64_t
vid
,
uint32_t
did
)
{
unsigned
long
offset
;
int
ret
;
ret
=
sdbfs_open_id
(
fs
,
vid
,
did
);
if
(
ret
<
0
)
return
(
unsigned
long
)
ret
;
offset
=
fs
->
f_offset
;
sdbfs_close
(
fs
);
return
offset
;
}
sdbfs/lib/libsdbfs.h
View file @
6b5c357c
...
...
@@ -58,6 +58,8 @@ struct sdbfs {
int
sdbfs_dev_create
(
struct
sdbfs
*
fs
,
int
verbose
);
int
sdbfs_dev_destroy
(
struct
sdbfs
*
fs
);
struct
sdbfs
*
sdbfs_dev_find
(
const
char
*
name
);
unsigned
long
sdbfs_find_name
(
struct
sdbfs
*
fs
,
const
char
*
name
);
unsigned
long
sdbfs_find_id
(
struct
sdbfs
*
fs
,
uint64_t
vid
,
uint32_t
did
);
int
sdbfs_open_name
(
struct
sdbfs
*
fs
,
const
char
*
name
);
int
sdbfs_open_id
(
struct
sdbfs
*
fs
,
uint64_t
vid
,
uint32_t
did
);
int
sdbfs_close
(
struct
sdbfs
*
fs
);
...
...
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