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Kirill Smelkov
linux
Commits
6ed83574
Commit
6ed83574
authored
Nov 23, 2007
by
Linus Torvalds
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
Import 2.3.35pre6
parent
159f5e24
Changes
13
Expand all
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Side-by-side
Showing
13 changed files
with
318 additions
and
352 deletions
+318
-352
drivers/pci/pci.c
drivers/pci/pci.c
+74
-73
drivers/pci/pcisyms.c
drivers/pci/pcisyms.c
+2
-0
drivers/pcmcia/cardbus.c
drivers/pcmcia/cardbus.c
+14
-14
drivers/pcmcia/i82365.c
drivers/pcmcia/i82365.c
+112
-219
drivers/scsi/hosts.h
drivers/scsi/hosts.h
+4
-1
drivers/scsi/scsi.c
drivers/scsi/scsi.c
+3
-3
drivers/scsi/scsi_error.c
drivers/scsi/scsi_error.c
+22
-0
drivers/scsi/scsi_lib.c
drivers/scsi/scsi_lib.c
+23
-2
drivers/scsi/scsi_merge.c
drivers/scsi/scsi_merge.c
+33
-30
drivers/scsi/sd.c
drivers/scsi/sd.c
+7
-2
drivers/scsi/sg.c
drivers/scsi/sg.c
+11
-4
drivers/scsi/st.c
drivers/scsi/st.c
+10
-4
include/linux/pci.h
include/linux/pci.h
+3
-0
No files found.
drivers/pci/pci.c
View file @
6ed83574
...
...
@@ -30,7 +30,6 @@
struct
pci_bus
*
pci_root
;
struct
pci_dev
*
pci_devices
=
NULL
;
static
struct
pci_dev
**
pci_last_dev_p
=
&
pci_devices
;
static
int
pci_reverse
__initdata
=
0
;
struct
pci_dev
*
pci_find_slot
(
unsigned
int
bus
,
unsigned
int
devfn
)
...
...
@@ -270,7 +269,7 @@ static inline unsigned int pci_resource_flags(unsigned int flags)
return
IORESOURCE_MEM
;
}
void
__init
pci_read_bases
(
struct
pci_dev
*
dev
,
unsigned
int
howmany
,
int
rom
)
static
void
__init
pci_read_bases
(
struct
pci_dev
*
dev
,
unsigned
int
howmany
,
int
rom
)
{
unsigned
int
pos
,
reg
,
next
;
u32
l
,
sz
,
tmp
;
...
...
@@ -433,7 +432,7 @@ static __init struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci
/*
* Set up the primary, secondary and subordinate
* bus numbers.
Read resource ranges behind the bridge.
* bus numbers.
*/
child
->
number
=
child
->
secondary
=
busnr
;
child
->
primary
=
parent
->
secondary
;
...
...
@@ -578,24 +577,29 @@ static __init void pci_read_irq(struct pci_dev *dev)
}
/*
* Read the config data for a PCI device
* and sanity-check it and fill in the dev
* structure...
* Read the config data for a PCI device, sanity-check it
* and fill in the dev structure...
*/
static
__init
int
pci_scan_device
(
struct
pci_bus
*
bus
,
struct
pci_dev
*
dev
,
unsigned
int
devfn
)
static
struct
pci_dev
*
__init
pci_scan_device
(
struct
pci_dev
*
temp
)
{
unsigned
int
l
,
class
;
struct
pci_dev
*
dev
;
u32
l
,
class
;
if
(
pci_read_config_dword
(
dev
,
PCI_VENDOR_ID
,
&
l
))
return
-
1
;
if
(
pci_read_config_dword
(
temp
,
PCI_VENDOR_ID
,
&
l
))
return
NULL
;
/* some broken boards return 0 if a slot is empty: */
/* some broken boards return 0
or ~0
if a slot is empty: */
if
(
l
==
0xffffffff
||
l
==
0x00000000
||
l
==
0x0000ffff
||
l
==
0xffff0000
)
return
-
1
;
return
NULL
;
dev
=
kmalloc
(
sizeof
(
*
dev
),
GFP_KERNEL
);
if
(
!
dev
)
return
NULL
;
memcpy
(
dev
,
temp
,
sizeof
(
*
dev
));
dev
->
vendor
=
l
&
0xffff
;
dev
->
device
=
(
l
>>
16
)
&
0xffff
;
sprintf
(
dev
->
slot_name
,
"%02x:%02x.%d"
,
bus
->
number
,
PCI_SLOT
(
devfn
),
PCI_FUNC
(
devfn
));
sprintf
(
dev
->
slot_name
,
"%02x:%02x.%d"
,
dev
->
bus
->
number
,
PCI_SLOT
(
dev
->
devfn
),
PCI_FUNC
(
dev
->
devfn
));
pci_name_device
(
dev
);
pci_read_config_dword
(
dev
,
PCI_CLASS_REVISION
,
&
class
);
...
...
@@ -631,7 +635,8 @@ static __init int pci_scan_device(struct pci_bus *bus, struct pci_dev *dev, unsi
default:
/* unknown header */
printk
(
KERN_ERR
"PCI: device %s has unknown header type %02x, ignoring.
\n
"
,
dev
->
slot_name
,
dev
->
hdr_type
);
return
-
1
;
kfree
(
dev
);
return
NULL
;
bad:
printk
(
KERN_ERR
"PCI: %s: class %x doesn't match header type %02x. Ignoring class.
\n
"
,
...
...
@@ -640,47 +645,32 @@ static __init int pci_scan_device(struct pci_bus *bus, struct pci_dev *dev, unsi
}
/* We found a fine healthy device, go go go... */
return
0
;
return
dev
;
}
static
unsigned
int
__init
pci_do_scan_bus
(
struct
pci_bus
*
bus
)
struct
pci_dev
*
__init
pci_scan_slot
(
struct
pci_dev
*
temp
)
{
unsigned
int
devfn
,
max
;
struct
pci_dev
*
dev
,
**
bus_last
;
struct
pci_bus
*
bus
=
temp
->
bus
;
struct
pci_dev
*
dev
;
struct
pci_dev
*
first_dev
=
NULL
;
int
func
=
0
;
int
is_multi
=
0
;
u8
hdr_type
;
DBG
(
"pci_do_scan_bus for bus %d
\n
"
,
bus
->
number
);
bus_last
=
&
bus
->
devices
;
max
=
bus
->
secondary
;
/* Allocate the device ahead of time.. */
dev
=
kmalloc
(
sizeof
(
*
dev
),
GFP_KERNEL
);
if
(
!
dev
)
return
max
;
/* Go find them, Rover! */
for
(
devfn
=
0
;
devfn
<
0xff
;
++
devfn
)
{
unsigned
char
hdr_type
;
/* not a multi-function device */
if
(
PCI_FUNC
(
devfn
)
&&
!
is_multi
)
for
(
func
=
0
;
func
<
8
;
func
++
,
temp
->
devfn
++
)
{
if
(
func
&&
!
is_multi
)
/* not a multi-function device */
continue
;
memset
(
dev
,
0
,
sizeof
(
*
dev
));
dev
->
bus
=
bus
;
dev
->
sysdata
=
bus
->
sysdata
;
dev
->
devfn
=
devfn
;
if
(
pci_read_config_byte
(
dev
,
PCI_HEADER_TYPE
,
&
hdr_type
))
if
(
pci_read_config_byte
(
temp
,
PCI_HEADER_TYPE
,
&
hdr_type
))
continue
;
temp
->
hdr_type
=
hdr_type
&
0x7f
;
if
(
!
PCI_FUNC
(
devfn
))
is_multi
=
hdr_type
&
0x80
;
dev
->
hdr_type
=
hdr_type
&
0x7f
;
if
(
pci_scan_device
(
bus
,
dev
,
devfn
))
dev
=
pci_scan_device
(
temp
);
if
(
!
dev
)
continue
;
if
(
!
func
)
{
is_multi
=
hdr_type
&
0x80
;
first_dev
=
dev
;
}
DBG
(
"PCI: %02x:%02x [%04x/%04x] %06x %02x
\n
"
,
bus
->
number
,
dev
->
devfn
,
dev
->
vendor
,
dev
->
device
,
class
,
hdr_type
);
...
...
@@ -688,37 +678,41 @@ static unsigned int __init pci_do_scan_bus(struct pci_bus *bus)
* Put it into the global PCI device chain. It's used to
* find devices once everything is set up.
*/
if
(
!
pci_reverse
)
{
*
pci_last_dev_p
=
dev
;
pci_last_dev_p
=
&
dev
->
next
;
}
else
{
dev
->
next
=
pci_devices
;
pci_devices
=
dev
;
}
*
pci_last_dev_p
=
dev
;
pci_last_dev_p
=
&
dev
->
next
;
/*
* Now insert it into the list of devices held
* by the parent bus.
*/
*
bus
_last
=
dev
;
bus
_last
=
&
dev
->
sibling
;
*
bus
->
last_dev_p
=
dev
;
bus
->
last_dev_p
=
&
dev
->
sibling
;
/* Fix up broken headers */
pci_fixup_device
(
PCI_FIXUP_HEADER
,
dev
);
}
return
first_dev
;
}
#if 0
/*
* Setting of latency timer in case it was less than 32 was
* a great idea, but it confused several broken devices. Grrr.
*/
pci_read_config_byte(dev, PCI_LATENCY_TIMER, &tmp);
if (tmp < 32)
pci_write_config_byte(dev, PCI_LATENCY_TIMER, 32);
#endif
static
unsigned
int
__init
pci_do_scan_bus
(
struct
pci_bus
*
bus
)
{
unsigned
int
devfn
,
max
;
struct
pci_dev
*
dev
,
dev0
;
dev
=
kmalloc
(
sizeof
(
*
dev
),
GFP_KERNEL
);
DBG
(
"pci_do_scan_bus for bus %d
\n
"
,
bus
->
number
);
bus
->
last_dev_p
=
&
bus
->
devices
;
max
=
bus
->
secondary
;
/* Create a device template */
memset
(
&
dev0
,
0
,
sizeof
(
dev0
));
dev0
.
bus
=
bus
;
dev0
.
sysdata
=
bus
->
sysdata
;
/* Go find them, Rover! */
for
(
devfn
=
0
;
devfn
<
0x100
;
devfn
+=
8
)
{
dev0
.
devfn
=
devfn
;
pci_scan_slot
(
&
dev0
);
}
kfree
(
dev
);
/*
* After performing arch-dependent fixup of the bus, look behind
...
...
@@ -759,7 +753,7 @@ static int __init pci_bus_exists(struct pci_bus *b, int nr)
return
0
;
}
struct
pci_bus
*
__init
pci_
scan_bus
(
int
bus
,
struct
pci_ops
*
ops
,
void
*
sysdata
)
struct
pci_bus
*
__init
pci_
alloc_primary_bus
(
int
bus
)
{
struct
pci_bus
*
b
,
**
r
;
...
...
@@ -779,11 +773,19 @@ struct pci_bus * __init pci_scan_bus(int bus, struct pci_ops *ops, void *sysdata
*
r
=
b
;
b
->
number
=
b
->
secondary
=
bus
;
b
->
sysdata
=
sysdata
;
b
->
ops
=
ops
;
b
->
resource
[
0
]
=
&
ioport_resource
;
b
->
resource
[
1
]
=
&
iomem_resource
;
b
->
subordinate
=
pci_do_scan_bus
(
b
);
return
b
;
}
struct
pci_bus
*
__init
pci_scan_bus
(
int
bus
,
struct
pci_ops
*
ops
,
void
*
sysdata
)
{
struct
pci_bus
*
b
=
pci_alloc_primary_bus
(
bus
);
if
(
b
)
{
b
->
sysdata
=
sysdata
;
b
->
ops
=
ops
;
b
->
subordinate
=
pci_do_scan_bus
(
b
);
}
return
b
;
}
...
...
@@ -804,9 +806,8 @@ static int __init pci_setup(char *str)
if
(
k
)
*
k
++
=
0
;
if
(
*
str
&&
(
str
=
pcibios_setup
(
str
))
&&
*
str
)
{
if
(
!
strcmp
(
str
,
"reverse"
))
pci_reverse
=
1
;
else
printk
(
KERN_ERR
"PCI: Unknown option `%s'
\n
"
,
str
);
/* PCI layer options should be handled here */
printk
(
KERN_ERR
"PCI: Unknown option `%s'
\n
"
,
str
);
}
str
=
k
;
}
...
...
drivers/pci/pcisyms.c
View file @
6ed83574
...
...
@@ -25,6 +25,8 @@ EXPORT_SYMBOL(pci_find_device);
EXPORT_SYMBOL
(
pci_find_slot
);
EXPORT_SYMBOL
(
pci_set_master
);
EXPORT_SYMBOL
(
pci_simple_probe
);
EXPORT_SYMBOL
(
pci_set_power_state
);
EXPORT_SYMBOL
(
pci_assign_resource
);
#ifdef CONFIG_PROC_FS
EXPORT_SYMBOL
(
pci_proc_attach_device
);
EXPORT_SYMBOL
(
pci_proc_detach_device
);
...
...
drivers/pcmcia/cardbus.c
View file @
6ed83574
...
...
@@ -283,20 +283,21 @@ int cb_alloc(socket_info_t *s)
u_char
i
,
hdr
,
fn
,
bus
=
s
->
cap
.
cardbus
;
cb_config_t
*
c
;
memset
(
&
tmp
,
0
,
sizeof
(
tmp
));
tmp
.
bus
=
s
->
cap
.
cb_bus
;
tmp
.
devfn
=
0
;
tmp
.
next
=
pci_devices
;
pci_devices
=
&
tmp
;
pci_readw
(
bus
,
0
,
PCI_VENDOR_ID
,
&
vend
);
pci_readw
(
bus
,
0
,
PCI_DEVICE_ID
,
&
dev
);
pci_read_config_word
(
&
tmp
,
PCI_VENDOR_ID
,
&
vend
);
pci_read_config_word
(
&
tmp
,
PCI_DEVICE_ID
,
&
dev
);
printk
(
KERN_INFO
"cs: cb_alloc(bus %d): vendor 0x%04x, "
"device 0x%04x
\n
"
,
bus
,
vend
,
dev
);
pci_read
b
(
bus
,
0
,
PCI_HEADER_TYPE
,
&
hdr
);
pci_read
_config_byte
(
&
tmp
,
PCI_HEADER_TYPE
,
&
hdr
);
if
(
hdr
&
0x80
)
{
/* Count functions */
for
(
fn
=
0
;
fn
<
8
;
fn
++
)
{
tmp
.
devfn
=
fn
;
pci_read
w
(
bus
,
fn
,
PCI_VENDOR_ID
,
&
v
);
pci_read
_config_word
(
&
tmp
,
PCI_VENDOR_ID
,
&
v
);
if
(
v
!=
vend
)
break
;
}
}
else
fn
=
1
;
...
...
@@ -307,7 +308,6 @@ int cb_alloc(socket_info_t *s)
memset
(
c
,
0
,
fn
*
sizeof
(
struct
cb_config_t
));
s
->
cb_config
=
c
;
pci_devices
=
tmp
.
next
;
for
(
i
=
0
;
i
<
fn
;
i
++
)
{
c
[
i
].
dev
.
bus
=
s
->
cap
.
cb_bus
;
c
[
i
].
dev
.
devfn
=
i
;
...
...
@@ -317,7 +317,7 @@ int cb_alloc(socket_info_t *s)
}
s
->
cap
.
cb_bus
->
devices
=
&
c
[
0
].
dev
;
/* Link into PCI device chain */
c
[
s
->
functions
-
1
].
dev
.
next
=
pci_devices
;
c
[
fn
-
1
].
dev
.
next
=
pci_devices
;
pci_devices
=
&
c
[
0
].
dev
;
for
(
i
=
0
;
i
<
fn
;
i
++
)
{
c
[
i
].
dev
.
vendor
=
vend
;
...
...
@@ -338,17 +338,17 @@ void cb_free(socket_info_t *s)
cb_config_t
*
c
=
s
->
cb_config
;
if
(
c
)
{
struct
pci_dev
**
p
,
*
q
;
struct
pci_dev
**
p
;
/* Unlink from PCI device chain */
for
(
p
=
&
pci_devices
;
*
p
;
p
=
&
((
*
p
)
->
next
))
if
(
*
p
==
&
c
[
0
].
dev
)
break
;
for
(
q
=
*
p
;
q
;
q
=
q
->
next
)
{
if
(
q
->
bus
!=
(
*
p
)
->
bus
)
break
;
for
(
p
=
&
pci_devices
;
*
p
;
p
=
&
((
*
p
)
->
next
))
{
struct
pci_dev
*
dev
=
*
p
;
if
(
dev
->
bus
!=
s
->
cap
.
cb_bus
)
continue
;
*
p
=
dev
->
next
;
#ifdef CONFIG_PROC_FS
pci_proc_detach_device
(
q
);
pci_proc_detach_device
(
dev
);
#endif
}
if
(
*
p
)
*
p
=
q
;
s
->
cap
.
cb_bus
->
devices
=
NULL
;
kfree
(
s
->
cb_config
);
s
->
cb_config
=
NULL
;
...
...
drivers/pcmcia/i82365.c
View file @
6ed83574
This diff is collapsed.
Click to expand it.
drivers/scsi/hosts.h
View file @
6ed83574
...
...
@@ -437,6 +437,8 @@ struct Scsi_Device_Template
struct
module
*
module
;
/* Used for loadable modules */
unsigned
char
scsi_type
;
unsigned
char
major
;
unsigned
char
min_major
;
/* Minimum major in range. */
unsigned
char
max_major
;
/* Maximum major in range. */
unsigned
char
nr_dev
;
/* Number currently attached */
unsigned
char
dev_noticed
;
/* Number of devices detected. */
unsigned
char
dev_max
;
/* Current size of arrays */
...
...
@@ -447,7 +449,8 @@ struct Scsi_Device_Template
void
(
*
finish
)(
void
);
/* Perform initialization after attachment */
int
(
*
attach
)(
Scsi_Device
*
);
/* Attach devices to arrays */
void
(
*
detach
)(
Scsi_Device
*
);
int
(
*
init_command
)(
Scsi_Cmnd
*
);
/* Used by new queueing code. */
int
(
*
init_command
)(
Scsi_Cmnd
*
);
/* Used by new queueing code.
Selects command for blkdevs */
};
extern
struct
Scsi_Device_Template
sd_template
;
...
...
drivers/scsi/scsi.c
View file @
6ed83574
...
...
@@ -1470,9 +1470,6 @@ void scsi_do_cmd(Scsi_Cmnd * SCpnt, const void *cmnd,
*/
host
->
host_busy
++
;
device
->
device_busy
++
;
/*
* Our own function scsi_done (which marks the host as not busy, disables
* the timeout counter, etc) will be called by us or by the
...
...
@@ -1575,6 +1572,9 @@ void scsi_done(Scsi_Cmnd * SCpnt)
* Since serial_number is now 0, the error handler cound detect this
* situation and avoid to call the the low level driver abort routine.
* (DB)
*
* FIXME(eric) - I believe that this test is now redundant, due to
* the test of the return status of del_timer().
*/
if
(
SCpnt
->
state
==
SCSI_STATE_TIMEOUT
)
{
SCSI_LOG_MLCOMPLETE
(
1
,
printk
(
"Ignoring completion of %p due to timeout status"
,
SCpnt
));
...
...
drivers/scsi/scsi_error.c
View file @
6ed83574
...
...
@@ -1778,6 +1778,17 @@ STATIC int scsi_unjam_host(struct Scsi_Host *host)
for
(
SCpnt
=
SCdone
;
SCpnt
!=
NULL
;
SCpnt
=
SCdone
)
{
SCdone
=
SCpnt
->
bh_next
;
SCpnt
->
bh_next
=
NULL
;
/*
* Oh, this is a vile hack. scsi_done() expects a timer
* to be running on the command. If there isn't, it assumes
* that the command has actually timed out, and a timer
* handler is running. That may well be how we got into
* this fix, but right now things are stable. We add
* a timer back again so that we can report completion.
* scsi_done() will immediately remove said timer from
* the command, and then process it.
*/
scsi_add_timer
(
SCpnt
,
100
,
scsi_eh_times_out
);
scsi_done
(
SCpnt
);
}
...
...
@@ -1809,7 +1820,14 @@ void scsi_error_handler(void *data)
int
rtn
;
DECLARE_MUTEX_LOCKED
(
sem
);
/*
* We only listen to signals if the HA was loaded as a module.
* If the HA was compiled into the kernel, then we don't listen
* to any signals.
*/
if
(
host
->
loaded_as_module
)
{
siginitsetinv
(
&
current
->
blocked
,
SHUTDOWN_SIGS
);
}
lock_kernel
();
...
...
@@ -1844,10 +1862,14 @@ void scsi_error_handler(void *data)
* trying to unload a module.
*/
SCSI_LOG_ERROR_RECOVERY
(
1
,
printk
(
"Error handler sleeping
\n
"
));
if
(
host
->
loaded_as_module
)
{
down_interruptible
(
&
sem
);
if
(
signal_pending
(
current
))
break
;
}
else
{
down
(
&
sem
);
}
SCSI_LOG_ERROR_RECOVERY
(
1
,
printk
(
"Error handler waking up
\n
"
));
...
...
drivers/scsi/scsi_lib.c
View file @
6ed83574
...
...
@@ -607,6 +607,22 @@ struct Scsi_Device_Template *scsi_get_request_dev(struct request *req)
if
(
spnt
->
blk
&&
spnt
->
major
==
major
)
{
return
spnt
;
}
/*
* I am still not entirely satisfied with this solution,
* but it is good enough for now. Disks have a number of
* major numbers associated with them, the primary
* 8, which we test above, and a secondary range of 7
* different consecutive major numbers. If this ever
* becomes insufficient, then we could add another function
* to the structure, and generalize this completely.
*/
if
(
spnt
->
min_major
!=
0
&&
spnt
->
max_major
!=
0
&&
major
>=
spnt
->
min_major
&&
major
<=
spnt
->
max_major
)
{
return
spnt
;
}
}
return
NULL
;
}
...
...
@@ -742,10 +758,15 @@ void scsi_request_fn(request_queue_t * q)
if
(
!
SCpnt
)
{
break
;
}
SHpnt
->
host_busy
++
;
SDpnt
->
device_busy
++
;
}
/*
* Now bump the usage count for both the host and the
* device.
*/
SHpnt
->
host_busy
++
;
SDpnt
->
device_busy
++
;
/*
* FIXME(eric)
* I am not sure where the best place to do this is. We need
...
...
drivers/scsi/scsi_merge.c
View file @
6ed83574
...
...
@@ -290,6 +290,30 @@ __inline static int __scsi_merge_fn(request_queue_t * q,
count
=
bh
->
b_size
>>
9
;
sector
=
bh
->
b_rsector
;
#if CONFIG_HIGHMEM
/*
* This is a temporary hack for the time being.
* In some cases, the ll_rw_blk layer is creating
* bounce buffers for us - this implies that we don't
* need to down here, but queue management becomes quite
* difficult otherwise. When the ll_rw_blk layer gets
* cleaned up to handle bounce buffers better, then
* this hack can be cleaned up.
*/
if
(
sector
==
-
1
)
{
struct
buffer_head
*
bh_new
;
bh_new
=
(
struct
buffer_head
*
)
bh
->
b_dev_id
;
if
(
bh_new
!=
NULL
)
{
sector
=
bh_new
->
b_rsector
;
}
if
(
sector
==
-
1
)
{
panic
(
"Unable to merge ambiguous block request"
);
}
}
#endif
/*
* We come in here in one of two cases. The first is that we
...
...
@@ -765,7 +789,8 @@ __inline static int __init_io(Scsi_Cmnd * SCpnt,
if
(
scsi_dma_free_sectors
>
30
)
{
for
(
this_count
=
0
,
bh
=
SCpnt
->
request
.
bh
;
bh
;
bh
=
bh
->
b_reqnext
)
{
if
(
scsi_dma_free_sectors
<
30
||
this_count
==
sectors
)
if
(
scsi_dma_free_sectors
-
this_count
<
30
||
this_count
==
sectors
)
{
break
;
}
...
...
@@ -831,24 +856,11 @@ static int _FUNCTION(Scsi_Cmnd * SCpnt) \
* We always force "_VALID" to 1. Eventually clean this up
* and get rid of the extra argument.
*/
#if 0
/* Old definitions */
INITIO(scsi_init_io_, 0, 0, 0)
INITIO(scsi_init_io_d, 0, 0, 1)
INITIO(scsi_init_io_c, 0, 1, 0)
INITIO(scsi_init_io_dc, 0, 1, 1)
/* Newer redundant definitions. */
INITIO(scsi_init_io_, 1, 0, 0)
INITIO(scsi_init_io_d, 1, 0, 1)
INITIO(scsi_init_io_c, 1, 1, 0)
INITIO(scsi_init_io_dc, 1, 1, 1)
#endif
INITIO
(
scsi_init_io_v
,
1
,
0
,
0
)
INITIO
(
scsi_init_io_vd
,
1
,
0
,
1
)
INITIO
(
scsi_init_io_vc
,
1
,
1
,
0
)
INITIO
(
scsi_init_io_vdc
,
1
,
1
,
1
)
/*
* Function: initialize_merge_fn()
*
...
...
@@ -881,21 +893,12 @@ void initialize_merge_fn(Scsi_Device * SDpnt)
* If this host has an unlimited tablesize, then don't bother with a
* merge manager. The whole point of the operation is to make sure
* that requests don't grow too large, and this host isn't picky.
*/
if
(
SHpnt
->
sg_tablesize
==
SG_ALL
)
{
if
(
!
CLUSTERABLE_DEVICE
(
SHpnt
,
SDpnt
)
&&
SHpnt
->
unchecked_isa_dma
==
0
)
{
SDpnt
->
scsi_init_io_fn
=
scsi_init_io_v
;
}
else
if
(
!
CLUSTERABLE_DEVICE
(
SHpnt
,
SDpnt
)
&&
SHpnt
->
unchecked_isa_dma
!=
0
)
{
SDpnt
->
scsi_init_io_fn
=
scsi_init_io_vd
;
}
else
if
(
CLUSTERABLE_DEVICE
(
SHpnt
,
SDpnt
)
&&
SHpnt
->
unchecked_isa_dma
==
0
)
{
SDpnt
->
scsi_init_io_fn
=
scsi_init_io_vc
;
}
else
if
(
CLUSTERABLE_DEVICE
(
SHpnt
,
SDpnt
)
&&
SHpnt
->
unchecked_isa_dma
!=
0
)
{
SDpnt
->
scsi_init_io_fn
=
scsi_init_io_vdc
;
}
return
;
}
/*
* Now pick out the correct function.
*
* Note that ll_rw_blk.c is effectively maintaining a segment
* count which is only valid if clustering is used, and it obviously
* doesn't handle the DMA case. In the end, it
* is simply easier to do it ourselves with our own functions
* rather than rely upon the default behavior of ll_rw_blk.
*/
if
(
!
CLUSTERABLE_DEVICE
(
SHpnt
,
SDpnt
)
&&
SHpnt
->
unchecked_isa_dma
==
0
)
{
q
->
merge_fn
=
scsi_merge_fn_
;
...
...
drivers/scsi/sd.c
View file @
6ed83574
...
...
@@ -202,6 +202,11 @@ struct Scsi_Device_Template sd_template = {
tag:
"sd"
,
scsi_type:
TYPE_DISK
,
major:
SCSI_DISK0_MAJOR
,
/*
* Secondary range of majors that this driver handles.
*/
min_major:
SCSI_DISK1_MAJOR
,
max_major:
SCSI_DISK7_MAJOR
,
blk:
1
,
detect:
sd_detect
,
init:
sd_init
,
...
...
@@ -229,7 +234,7 @@ static int sd_init_command(Scsi_Cmnd * SCpnt)
Scsi_Disk
*
dpnt
;
char
nbuff
[
6
];
devm
=
MINOR
(
SCpnt
->
request
.
rq_dev
);
devm
=
SD_PARTITION
(
SCpnt
->
request
.
rq_dev
);
dev
=
DEVICE_NR
(
SCpnt
->
request
.
rq_dev
);
block
=
SCpnt
->
request
.
sector
;
...
...
@@ -561,7 +566,7 @@ static void rw_intr(Scsi_Cmnd * SCpnt)
default:
break
;
}
error_sector
-=
sd
[
MINOR
(
SCpnt
->
request
.
rq_dev
)].
start_sect
;
error_sector
-=
sd
[
SD_PARTITION
(
SCpnt
->
request
.
rq_dev
)].
start_sect
;
error_sector
&=
~
(
block_sectors
-
1
);
good_sectors
=
error_sector
-
SCpnt
->
request
.
sector
;
if
(
good_sectors
<
0
||
good_sectors
>=
this_count
)
...
...
drivers/scsi/sg.c
View file @
6ed83574
...
...
@@ -101,10 +101,17 @@ static int sg_detect(Scsi_Device *);
static
void
sg_detach
(
Scsi_Device
*
);
struct
Scsi_Device_Template
sg_template
=
{
NULL
,
NULL
,
"sg"
,
NULL
,
0xff
,
SCSI_GENERIC_MAJOR
,
0
,
0
,
0
,
0
,
sg_detect
,
sg_init
,
sg_finish
,
sg_attach
,
sg_detach
};
struct
Scsi_Device_Template
sg_template
=
{
tag:
"sg"
,
scsi_type:
0xff
,
major:
SCSI_GENERIC_MAJOR
,
detect:
sg_detect
,
init:
sg_init
,
finish:
sg_finish
,
attach:
sg_attach
,
detach:
sg_detach
};
typedef
struct
sg_scatter_hold
/* holding area for scsi scatter gather info */
...
...
drivers/scsi/st.c
View file @
6ed83574
...
...
@@ -147,10 +147,16 @@ static int st_detect(Scsi_Device *);
static
void
st_detach
(
Scsi_Device
*
);
struct
Scsi_Device_Template
st_template
=
{
NULL
,
"tape"
,
"st"
,
NULL
,
TYPE_TAPE
,
SCSI_TAPE_MAJOR
,
0
,
0
,
0
,
0
,
st_detect
,
st_init
,
NULL
,
st_attach
,
st_detach
};
{
name:
"tape"
,
tag:
"st"
,
scsi_type:
TYPE_TAPE
,
major:
SCSI_TAPE_MAJOR
,
detect:
st_detect
,
init:
st_init
,
attach:
st_attach
,
detach:
st_detach
};
static
int
st_compression
(
Scsi_Tape
*
,
int
);
...
...
include/linux/pci.h
View file @
6ed83574
...
...
@@ -360,6 +360,7 @@ struct pci_bus {
struct
pci_dev
*
self
;
/* bridge device as seen by parent */
struct
pci_dev
*
devices
;
/* devices behind this bridge */
struct
pci_dev
**
last_dev_p
;
/* where should next device be linked to */
struct
resource
*
resource
[
4
];
/* address space routed to this bus */
void
*
sysdata
;
/* hook for sys-specific extension */
...
...
@@ -449,6 +450,8 @@ int pcibios_find_device (unsigned short vendor, unsigned short dev_id,
void
pci_init
(
void
);
struct
pci_bus
*
pci_scan_bus
(
int
bus
,
struct
pci_ops
*
ops
,
void
*
sysdata
);
struct
pci_bus
*
pci_alloc_primary_bus
(
int
bus
);
struct
pci_dev
*
pci_scan_slot
(
struct
pci_dev
*
temp
);
int
pci_proc_attach_device
(
struct
pci_dev
*
dev
);
int
pci_proc_detach_device
(
struct
pci_dev
*
dev
);
void
pci_name_device
(
struct
pci_dev
*
dev
);
...
...
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