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nexedi
linux
Commits
e564e72b
Commit
e564e72b
authored
Nov 04, 2002
by
Alan Cox
Committed by
Dave Jones
Nov 04, 2002
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[PATCH] fd_mcs finish up I hope
parent
6fc80776
Changes
2
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Showing
2 changed files
with
92 additions
and
95 deletions
+92
-95
drivers/scsi/fd_mcs.c
drivers/scsi/fd_mcs.c
+91
-94
drivers/scsi/fd_mcs.h
drivers/scsi/fd_mcs.h
+1
-1
No files found.
drivers/scsi/fd_mcs.c
View file @
e564e72b
...
...
@@ -1325,13 +1325,13 @@ static int fd_mcs_host_reset(Scsi_Cmnd * SCpnt)
return
FAILED
;
}
static
int
fd_mcs_device_reset
(
Scsi_Cmnd
*
SCpnt
)
{
static
int
fd_mcs_device_reset
(
Scsi_Cmnd
*
SCpnt
)
{
return
FAILED
;
}
}
static
int
fd_mcs_bus_reset
(
Scsi_Cmnd
*
SCpnt
)
{
static
int
fd_mcs_bus_reset
(
Scsi_Cmnd
*
SCpnt
)
{
struct
Scsi_Host
*
shpnt
=
SCpnt
->
host
;
unsigned
long
flags
;
#if DEBUG_RESET
static
int
called_once
=
0
;
...
...
@@ -1348,8 +1348,6 @@ static int fd_mcs_device_reset(Scsi_Cmnd * SCpnt) {
called_once
=
1
;
#endif
spin_lock_irqsave
(
shpnt
->
host_lock
,
flags
);
outb
(
1
,
SCSI_Cntl_port
);
do_pause
(
2
);
outb
(
0
,
SCSI_Cntl_port
);
...
...
@@ -1360,15 +1358,14 @@ static int fd_mcs_device_reset(Scsi_Cmnd * SCpnt) {
/* Unless this is the very first call (i.e., SCPnt == NULL), everything
is probably hosed at this point. We will, however, try to keep
things going by informing the high-level code that we need help. */
spin_unlock_irqrestore
(
shpnt
->
host_lock
,
flags
);
return
SUCCESS
;
}
}
#include <scsi/scsi_ioctl.h>
static
int
fd_mcs_biosparam
(
Scsi_Disk
*
disk
,
struct
block_device
*
bdev
,
sector_t
capacity
,
int
*
info_array
)
{
static
int
fd_mcs_biosparam
(
struct
scsi_device
*
disk
,
struct
block_device
*
bdev
,
sector_t
capacity
,
int
*
info_array
)
{
unsigned
char
buf
[
512
+
sizeof
(
int
)
*
2
];
int
size
=
capacity
;
int
*
sizes
=
(
int
*
)
buf
;
...
...
@@ -1382,11 +1379,10 @@ static int fd_mcs_device_reset(Scsi_Cmnd * SCpnt) {
sizes
[
0
]
=
0
;
/* zero bytes out */
sizes
[
1
]
=
512
;
/* one sector in */
memcpy
(
data
,
do_read
,
sizeof
(
do_read
));
retcode
=
kernel_scsi_ioctl
(
disk
->
device
,
SCSI_IOCTL_SEND_COMMAND
,
(
void
*
)
buf
);
retcode
=
kernel_scsi_ioctl
(
disk
,
SCSI_IOCTL_SEND_COMMAND
,
(
void
*
)
buf
);
if
(
!
retcode
/* SCSI command ok */
&&
data
[
511
]
==
0xaa
&&
data
[
510
]
==
0x55
/* Partition table valid */
&&
data
[
0x1c2
])
{
/* Partition type */
/* The partition table layout is as follows:
Start: 0x1b3h
...
...
@@ -1419,12 +1415,11 @@ static int fd_mcs_device_reset(Scsi_Cmnd * SCpnt) {
info_array
[
0
]
=
data
[
0x1c3
]
+
1
;
/* heads */
info_array
[
1
]
=
data
[
0x1c4
]
&
0x3f
;
/* sectors */
}
else
{
/* Note that this new method guarantees that there will always be
less than 1024 cylinders on a platter. This is good for drives
up to approximately 7.85GB (where 1GB = 1024 * 1024 kB). */
if
((
unsigned
int
)
size
>=
0x7e0000U
)
{
if
((
unsigned
int
)
size
>=
0x7e0000U
)
{
info_array
[
0
]
=
0xff
;
/* heads = 255 */
info_array
[
1
]
=
0x3f
;
/* sectors = 63 */
}
else
if
((
unsigned
int
)
size
>=
0x200000U
)
{
...
...
@@ -1437,6 +1432,8 @@ static int fd_mcs_device_reset(Scsi_Cmnd * SCpnt) {
}
/* For both methods, compute the cylinders */
info_array
[
2
]
=
(
unsigned
int
)
size
/
(
info_array
[
0
]
*
info_array
[
1
]);
return
0
;
}
/* Eventually this will go into an include file, but this will be later */
static
Scsi_Host_Template
driver_template
=
FD_MCS
;
...
...
drivers/scsi/fd_mcs.h
View file @
e564e72b
...
...
@@ -30,7 +30,7 @@ static int fd_mcs_bus_reset(Scsi_Cmnd *);
static
int
fd_mcs_device_reset
(
Scsi_Cmnd
*
);
static
int
fd_mcs_host_reset
(
Scsi_Cmnd
*
);
static
int
fd_mcs_queue
(
Scsi_Cmnd
*
,
void
(
*
done
)
(
Scsi_Cmnd
*
));
static
int
fd_mcs_biosparam
(
Disk
*
,
struct
block_device
*
,
static
int
fd_mcs_biosparam
(
struct
scsi_device
*
,
struct
block_device
*
,
sector_t
,
int
*
);
static
int
fd_mcs_proc_info
(
char
*
,
char
**
,
off_t
,
int
,
int
,
int
);
static
const
char
*
fd_mcs_info
(
struct
Scsi_Host
*
);
...
...
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