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nexedi
linux
Commits
82475a64
Commit
82475a64
authored
Sep 09, 2002
by
Greg Kroah-Hartman
Browse files
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Plain Diff
Compaq PCI Hotplug driver: changed calls to pci_*_nodev() to pci_bus_*()
parent
3d1a6602
Changes
6
Show whitespace changes
Inline
Side-by-side
Showing
6 changed files
with
198 additions
and
153 deletions
+198
-153
drivers/hotplug/cpqphp.h
drivers/hotplug/cpqphp.h
+2
-4
drivers/hotplug/cpqphp_core.c
drivers/hotplug/cpqphp_core.c
+26
-14
drivers/hotplug/cpqphp_ctrl.c
drivers/hotplug/cpqphp_ctrl.c
+64
-49
drivers/hotplug/cpqphp_nvram.c
drivers/hotplug/cpqphp_nvram.c
+5
-4
drivers/hotplug/cpqphp_pci.c
drivers/hotplug/cpqphp_pci.c
+95
-78
drivers/hotplug/cpqphp_proc.c
drivers/hotplug/cpqphp_proc.c
+6
-4
No files found.
drivers/hotplug/cpqphp.h
View file @
82475a64
...
...
@@ -292,16 +292,14 @@ struct controller {
struct
pci_resource
*
io_head
;
struct
pci_resource
*
bus_head
;
struct
pci_dev
*
pci_dev
;
struct
pci_
ops
*
pci_op
s
;
struct
pci_
bus
*
pci_bu
s
;
struct
proc_dir_entry
*
proc_entry
;
struct
proc_dir_entry
*
proc_entry2
;
struct
event_info
event_queue
[
10
];
struct
slot
*
slot
;
u8
next_event
;
u8
interrupt
;
u8
bus
;
u8
device
;
u8
function
;
u8
bus
;
/* bus number for the pci hotplug controller */
u8
rev
;
u8
slot_device_offset
;
u8
first_slot
;
...
...
drivers/hotplug/cpqphp_core.c
View file @
82475a64
...
...
@@ -467,7 +467,7 @@ static int ctrl_slot_cleanup (struct controller * ctrl)
//
// Output: SUCCESS or FAILURE
//=============================================================================
static
int
get_slot_mapping
(
struct
pci_
ops
*
op
s
,
u8
bus_num
,
u8
dev_num
,
u8
*
slot
)
static
int
get_slot_mapping
(
struct
pci_
bus
*
bu
s
,
u8
bus_num
,
u8
dev_num
,
u8
*
slot
)
{
struct
irq_routing_table
*
PCIIRQRoutingInfoLength
;
u32
work
;
...
...
@@ -476,7 +476,7 @@ static int get_slot_mapping (struct pci_ops *ops, u8 bus_num, u8 dev_num, u8 *sl
u8
tbus
,
tdevice
,
tslot
,
bridgeSlot
;
dbg
(
"%s: %p, %d, %d, %p
\n
"
,
__FUNCTION__
,
op
s
,
bus_num
,
dev_num
,
slot
);
dbg
(
"%s: %p, %d, %d, %p
\n
"
,
__FUNCTION__
,
bu
s
,
bus_num
,
dev_num
,
slot
);
bridgeSlot
=
0xFF
;
...
...
@@ -490,7 +490,6 @@ static int get_slot_mapping (struct pci_ops *ops, u8 bus_num, u8 dev_num, u8 *sl
return
-
1
;
}
for
(
loop
=
0
;
loop
<
len
;
++
loop
)
{
tbus
=
PCIIRQRoutingInfoLength
->
slots
[
loop
].
bus
;
tdevice
=
PCIIRQRoutingInfoLength
->
slots
[
loop
].
devfn
>>
3
;
...
...
@@ -499,7 +498,8 @@ static int get_slot_mapping (struct pci_ops *ops, u8 bus_num, u8 dev_num, u8 *sl
if
((
tbus
==
bus_num
)
&&
(
tdevice
==
dev_num
))
{
*
slot
=
tslot
;
if
(
PCIIRQRoutingInfoLength
!=
NULL
)
kfree
(
PCIIRQRoutingInfoLength
);
if
(
PCIIRQRoutingInfoLength
!=
NULL
)
kfree
(
PCIIRQRoutingInfoLength
);
return
0
;
}
else
{
// Didn't get a match on the target PCI device. Check if the
...
...
@@ -508,10 +508,11 @@ static int get_slot_mapping (struct pci_ops *ops, u8 bus_num, u8 dev_num, u8 *sl
// device, I need to save the bridge's slot number. If I can't
// find an entry for the target device, I will have to assume it's
// on the other side of the bridge, and assign it the bridge's slot.
pci_read_config_dword_nodev
(
ops
,
tbus
,
tdevice
,
0
,
PCI_REVISION_ID
,
&
work
);
bus
->
number
=
tbus
;
pci_bus_read_config_dword
(
bus
,
PCI_DEVFN
(
tdevice
,
0
),
PCI_REVISION_ID
,
&
work
);
if
((
work
>>
8
)
==
PCI_TO_PCI_BRIDGE_CLASS
)
{
pci_
read_config_dword_nodev
(
ops
,
tbus
,
tdevice
,
0
,
PCI_PRIMARY_BUS
,
&
work
);
pci_
bus_read_config_dword
(
bus
,
PCI_DEVFN
(
tdevice
,
0
)
,
PCI_PRIMARY_BUS
,
&
work
);
// See if bridge's secondary bus matches target bus.
if
(((
work
>>
8
)
&
0x000000FF
)
==
(
long
)
bus_num
)
{
bridgeSlot
=
tslot
;
...
...
@@ -521,7 +522,6 @@ static int get_slot_mapping (struct pci_ops *ops, u8 bus_num, u8 dev_num, u8 *sl
}
// If we got here, we didn't find an entry in the IRQ mapping table
// for the target PCI device. If we did determine that the target
// device is on the other side of a PCI-to-PCI bridge, return the
...
...
@@ -991,12 +991,20 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
dbg
(
" pcix_support %s
\n
"
,
ctrl
->
pcix_support
==
0
?
"not supported"
:
"supported"
);
ctrl
->
pci_dev
=
pdev
;
ctrl
->
pci_ops
=
pdev
->
bus
->
ops
;
/* make our own copy of the pci bus structure, as we like tweaking it a lot */
ctrl
->
pci_bus
=
kmalloc
(
sizeof
(
*
ctrl
->
pci_bus
),
GFP_KERNEL
);
if
(
!
ctrl
->
pci_bus
)
{
err
(
"out of memory
\n
"
);
rc
=
-
ENOMEM
;
goto
err_free_ctrl
;
}
memcpy
(
ctrl
->
pci_bus
,
pdev
->
bus
,
sizeof
(
*
ctrl
->
pci_bus
));
ctrl
->
bus
=
pdev
->
bus
->
number
;
ctrl
->
device
=
PCI_SLOT
(
pdev
->
devfn
);
ctrl
->
function
=
PCI_FUNC
(
pdev
->
devfn
);
ctrl
->
rev
=
rev
;
dbg
(
"bus device function rev: %d %d %d %d
\n
"
,
ctrl
->
bus
,
ctrl
->
device
,
ctrl
->
function
,
ctrl
->
rev
);
dbg
(
"bus device function rev: %d %d %d %d
\n
"
,
ctrl
->
bus
,
PCI_SLOT
(
pdev
->
devfn
),
PCI_FUNC
(
pdev
->
devfn
),
ctrl
->
rev
);
init_MUTEX
(
&
ctrl
->
crit_sect
);
init_waitqueue_head
(
&
ctrl
->
queue
);
...
...
@@ -1004,7 +1012,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* initialize our threads if they haven't already been started up */
rc
=
one_time_init
();
if
(
rc
)
{
goto
err_free_
ctrl
;
goto
err_free_
bus
;
}
dbg
(
"pdev = %p
\n
"
,
pdev
);
...
...
@@ -1015,7 +1023,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
pci_resource_len
(
pdev
,
0
),
MY_NAME
))
{
err
(
"cannot reserve MMIO region
\n
"
);
rc
=
-
ENOMEM
;
goto
err_free_
ctrl
;
goto
err_free_
bus
;
}
ctrl
->
hpc_reg
=
ioremap
(
pci_resource_start
(
pdev
,
0
),
pci_resource_len
(
pdev
,
0
));
...
...
@@ -1043,7 +1051,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
// in this case it will always be called for the "base"
// bus/dev/func of a slot.
// CS: this is leveraging the PCIIRQ routing code from the kernel (pci-pc.c: get_irq_routing_table)
rc
=
get_slot_mapping
(
ctrl
->
pci_
op
s
,
pdev
->
bus
->
number
,
(
readb
(
ctrl
->
hpc_reg
+
SLOT_MASK
)
>>
4
),
&
(
ctrl
->
first_slot
));
rc
=
get_slot_mapping
(
ctrl
->
pci_
bu
s
,
pdev
->
bus
->
number
,
(
readb
(
ctrl
->
hpc_reg
+
SLOT_MASK
)
>>
4
),
&
(
ctrl
->
first_slot
));
dbg
(
"get_slot_mapping: first_slot = %d, returned = %d
\n
"
,
ctrl
->
first_slot
,
rc
);
if
(
rc
)
{
err
(
msg_initialization_err
,
rc
);
...
...
@@ -1188,6 +1196,8 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
iounmap
(
ctrl
->
hpc_reg
);
err_free_mem_region:
release_mem_region
(
pci_resource_start
(
pdev
,
0
),
pci_resource_len
(
pdev
,
0
));
err_free_bus:
kfree
(
ctrl
->
pci_bus
);
err_free_ctrl:
kfree
(
ctrl
);
return
rc
;
...
...
@@ -1328,6 +1338,8 @@ static void unload_cpqphpd(void)
kfree
(
tres
);
}
kfree
(
ctrl
->
pci_bus
);
tctrl
=
ctrl
;
ctrl
=
ctrl
->
next
;
kfree
(
tctrl
);
...
...
drivers/hotplug/cpqphp_ctrl.c
View file @
82475a64
...
...
@@ -1471,7 +1471,8 @@ static u32 board_added(struct pci_func * func, struct controller * ctrl)
func
->
status
=
0
;
}
else
{
// Get vendor/device ID u32
rc
=
pci_read_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
function
,
PCI_VENDOR_ID
,
&
temp_register
);
ctrl
->
pci_bus
->
number
=
func
->
bus
;
rc
=
pci_bus_read_config_dword
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
func
->
device
,
func
->
function
),
PCI_VENDOR_ID
,
&
temp_register
);
dbg
(
"%s: pci_read_config_dword returns %d
\n
"
,
__FUNCTION__
,
rc
);
dbg
(
"%s: temp_register is %x
\n
"
,
__FUNCTION__
,
temp_register
);
...
...
@@ -2082,7 +2083,9 @@ int cpqhp_process_SS (struct controller *ctrl, struct pci_func *func)
u8
index
=
0
;
u8
replace_flag
;
u32
rc
=
0
;
unsigned
int
devfn
;
struct
slot
*
p_slot
;
struct
pci_bus
*
pci_bus
=
ctrl
->
pci_bus
;
int
physical_slot
=
0
;
device
=
func
->
device
;
...
...
@@ -2094,8 +2097,11 @@ int cpqhp_process_SS (struct controller *ctrl, struct pci_func *func)
// Make sure there are no video controllers here
while
(
func
&&
!
rc
)
{
pci_bus
->
number
=
func
->
bus
;
devfn
=
PCI_DEVFN
(
func
->
device
,
func
->
function
);
// Check the Class Code
rc
=
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
0x0B
,
&
class_code
);
rc
=
pci_
bus_read_config_byte
(
pci_bus
,
devf
n
,
0x0B
,
&
class_code
);
if
(
rc
)
return
rc
;
...
...
@@ -2104,13 +2110,13 @@ int cpqhp_process_SS (struct controller *ctrl, struct pci_func *func)
rc
=
REMOVE_NOT_SUPPORTED
;
}
else
{
// See if it's a bridge
rc
=
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_HEADER_TYPE
,
&
header_type
);
rc
=
pci_
bus_read_config_byte
(
pci_bus
,
devf
n
,
PCI_HEADER_TYPE
,
&
header_type
);
if
(
rc
)
return
rc
;
// If it's a bridge, check the VGA Enable bit
if
((
header_type
&
0x7F
)
==
PCI_HEADER_TYPE_BRIDGE
)
{
rc
=
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_BRIDGE_CONTROL
,
&
BCR
);
rc
=
pci_
bus_read_config_byte
(
pci_bus
,
devf
n
,
PCI_BRIDGE_CONTROL
,
&
BCR
);
if
(
rc
)
return
rc
;
...
...
@@ -2334,7 +2340,8 @@ static u32 configure_new_device (struct controller * ctrl, struct pci_func * fun
dbg
(
"%s
\n
"
,
__FUNCTION__
);
// Check for Multi-function device
rc
=
pci_read_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
function
,
0x0E
,
&
temp_byte
);
ctrl
->
pci_bus
->
number
=
func
->
bus
;
rc
=
pci_bus_read_config_byte
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
func
->
device
,
func
->
function
),
0x0E
,
&
temp_byte
);
if
(
rc
)
{
dbg
(
"%s: rc = %d
\n
"
,
__FUNCTION__
,
rc
);
return
rc
;
...
...
@@ -2372,7 +2379,7 @@ static u32 configure_new_device (struct controller * ctrl, struct pci_func * fun
// and creates a board structure
while
((
function
<
max_functions
)
&&
(
!
stop_it
))
{
pci_
read_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
function
,
0x00
,
&
ID
);
pci_
bus_read_config_dword
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
func
->
device
,
function
)
,
0x00
,
&
ID
);
if
(
ID
==
0xFFFFFFFF
)
{
// There's nothing there.
function
++
;
...
...
@@ -2435,6 +2442,7 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
u32
temp_register
;
u32
base
;
u32
ID
;
unsigned
int
devfn
;
struct
pci_resource
*
mem_node
;
struct
pci_resource
*
p_mem_node
;
struct
pci_resource
*
io_node
;
...
...
@@ -2445,17 +2453,22 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
struct
pci_resource
*
hold_bus_node
;
struct
irq_mapping
irqs
;
struct
pci_func
*
new_slot
;
struct
pci_bus
*
pci_bus
;
struct
resource_lists
temp_resources
;
pci_bus
=
ctrl
->
pci_bus
;
pci_bus
->
number
=
func
->
bus
;
devfn
=
PCI_DEVFN
(
func
->
device
,
func
->
function
);
// Check for Bridge
rc
=
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_HEADER_TYPE
,
&
temp_byte
);
rc
=
pci_
bus_read_config_byte
(
pci_bus
,
devf
n
,
PCI_HEADER_TYPE
,
&
temp_byte
);
if
(
rc
)
return
rc
;
if
((
temp_byte
&
0x7F
)
==
PCI_HEADER_TYPE_BRIDGE
)
{
// PCI-PCI Bridge
// set Primary bus
dbg
(
"set Primary bus = %d
\n
"
,
func
->
bus
);
rc
=
pci_
write_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_PRIMARY_BUS
,
func
->
bus
);
rc
=
pci_
bus_write_config_byte
(
pci_bus
,
devf
n
,
PCI_PRIMARY_BUS
,
func
->
bus
);
if
(
rc
)
return
rc
;
...
...
@@ -2470,29 +2483,29 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
// set Secondary bus
temp_byte
=
bus_node
->
base
;
dbg
(
"set Secondary bus = %d
\n
"
,
bus_node
->
base
);
rc
=
pci_
write_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_SECONDARY_BUS
,
temp_byte
);
rc
=
pci_
bus_write_config_byte
(
pci_bus
,
devf
n
,
PCI_SECONDARY_BUS
,
temp_byte
);
if
(
rc
)
return
rc
;
// set subordinate bus
temp_byte
=
bus_node
->
base
+
bus_node
->
length
-
1
;
dbg
(
"set subordinate bus = %d
\n
"
,
bus_node
->
base
+
bus_node
->
length
-
1
);
rc
=
pci_
write_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_SUBORDINATE_BUS
,
temp_byte
);
rc
=
pci_
bus_write_config_byte
(
pci_bus
,
devf
n
,
PCI_SUBORDINATE_BUS
,
temp_byte
);
if
(
rc
)
return
rc
;
// set subordinate Latency Timer and base Latency Timer
temp_byte
=
0x40
;
rc
=
pci_
write_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_SEC_LATENCY_TIMER
,
temp_byte
);
rc
=
pci_
bus_write_config_byte
(
pci_bus
,
devf
n
,
PCI_SEC_LATENCY_TIMER
,
temp_byte
);
if
(
rc
)
return
rc
;
rc
=
pci_
write_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_LATENCY_TIMER
,
temp_byte
);
rc
=
pci_
bus_write_config_byte
(
pci_bus
,
devf
n
,
PCI_LATENCY_TIMER
,
temp_byte
);
if
(
rc
)
return
rc
;
// set Cache Line size
temp_byte
=
0x08
;
rc
=
pci_
write_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_CACHE_LINE_SIZE
,
temp_byte
);
rc
=
pci_
bus_write_config_byte
(
pci_bus
,
devf
n
,
PCI_CACHE_LINE_SIZE
,
temp_byte
);
if
(
rc
)
return
rc
;
...
...
@@ -2568,10 +2581,10 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
// set IO base and Limit registers
temp_byte
=
io_node
->
base
>>
8
;
rc
=
pci_
write_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_IO_BASE
,
temp_byte
);
rc
=
pci_
bus_write_config_byte
(
pci_bus
,
devf
n
,
PCI_IO_BASE
,
temp_byte
);
temp_byte
=
(
io_node
->
base
+
io_node
->
length
-
1
)
>>
8
;
rc
=
pci_
write_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_IO_LIMIT
,
temp_byte
);
rc
=
pci_
bus_write_config_byte
(
pci_bus
,
devf
n
,
PCI_IO_LIMIT
,
temp_byte
);
}
else
{
kfree
(
hold_IO_node
);
hold_IO_node
=
NULL
;
...
...
@@ -2586,16 +2599,16 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
// set Mem base and Limit registers
temp_word
=
mem_node
->
base
>>
16
;
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_MEMORY_BASE
,
temp_word
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_MEMORY_BASE
,
temp_word
);
temp_word
=
(
mem_node
->
base
+
mem_node
->
length
-
1
)
>>
16
;
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_MEMORY_LIMIT
,
temp_word
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_MEMORY_LIMIT
,
temp_word
);
}
else
{
temp_word
=
0xFFFF
;
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_MEMORY_BASE
,
temp_word
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_MEMORY_BASE
,
temp_word
);
temp_word
=
0x0000
;
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_MEMORY_LIMIT
,
temp_word
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_MEMORY_LIMIT
,
temp_word
);
kfree
(
hold_mem_node
);
hold_mem_node
=
NULL
;
...
...
@@ -2610,16 +2623,16 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
// set Pre Mem base and Limit registers
temp_word
=
p_mem_node
->
base
>>
16
;
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_PREF_MEMORY_BASE
,
temp_word
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_PREF_MEMORY_BASE
,
temp_word
);
temp_word
=
(
p_mem_node
->
base
+
p_mem_node
->
length
-
1
)
>>
16
;
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_PREF_MEMORY_LIMIT
,
temp_word
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_PREF_MEMORY_LIMIT
,
temp_word
);
}
else
{
temp_word
=
0xFFFF
;
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_PREF_MEMORY_BASE
,
temp_word
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_PREF_MEMORY_BASE
,
temp_word
);
temp_word
=
0x0000
;
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_PREF_MEMORY_LIMIT
,
temp_word
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_PREF_MEMORY_LIMIT
,
temp_word
);
kfree
(
hold_p_mem_node
);
hold_p_mem_node
=
NULL
;
...
...
@@ -2635,7 +2648,9 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
irqs
.
barber_pole
=
(
irqs
.
barber_pole
+
1
)
&
0x03
;
ID
=
0xFFFFFFFF
;
pci_read_config_dword_nodev
(
ctrl
->
pci_ops
,
hold_bus_node
->
base
,
device
,
0
,
0x00
,
&
ID
);
pci_bus
->
number
=
hold_bus_node
->
base
;
pci_bus_read_config_dword
(
pci_bus
,
PCI_DEVFN
(
device
,
0
),
0x00
,
&
ID
);
pci_bus
->
number
=
func
->
bus
;
if
(
ID
!=
0xFFFFFFFF
)
{
// device Present
// Setup slot structure.
...
...
@@ -2703,7 +2718,7 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
temp_byte
=
temp_resources
.
bus_head
->
base
-
1
;
// set subordinate bus
rc
=
pci_
write_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_SUBORDINATE_BUS
,
temp_byte
);
rc
=
pci_
bus_write_config_byte
(
pci_bus
,
devf
n
,
PCI_SUBORDINATE_BUS
,
temp_byte
);
if
(
temp_resources
.
bus_head
->
length
==
0
)
{
kfree
(
temp_resources
.
bus_head
);
...
...
@@ -2724,7 +2739,7 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
hold_IO_node
->
base
=
io_node
->
base
+
io_node
->
length
;
temp_byte
=
(
hold_IO_node
->
base
)
>>
8
;
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_IO_BASE
,
temp_byte
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_IO_BASE
,
temp_byte
);
return_resource
(
&
(
resources
->
io_head
),
io_node
);
}
...
...
@@ -2742,13 +2757,13 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
func
->
io_head
=
hold_IO_node
;
temp_byte
=
(
io_node
->
base
-
1
)
>>
8
;
rc
=
pci_
write_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_IO_LIMIT
,
temp_byte
);
rc
=
pci_
bus_write_config_byte
(
pci_bus
,
devf
n
,
PCI_IO_LIMIT
,
temp_byte
);
return_resource
(
&
(
resources
->
io_head
),
io_node
);
}
else
{
// it doesn't need any IO
temp_word
=
0x0000
;
pci_write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_IO_LIMIT
,
temp_word
);
rc
=
pci_bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_IO_LIMIT
,
temp_word
);
return_resource
(
&
(
resources
->
io_head
),
io_node
);
kfree
(
hold_IO_node
);
...
...
@@ -2774,7 +2789,7 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
hold_mem_node
->
base
=
mem_node
->
base
+
mem_node
->
length
;
temp_word
=
(
hold_mem_node
->
base
)
>>
16
;
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_MEMORY_BASE
,
temp_word
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_MEMORY_BASE
,
temp_word
);
return_resource
(
&
(
resources
->
mem_head
),
mem_node
);
}
...
...
@@ -2792,14 +2807,14 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
// configure end address
temp_word
=
(
mem_node
->
base
-
1
)
>>
16
;
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_MEMORY_LIMIT
,
temp_word
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_MEMORY_LIMIT
,
temp_word
);
// Return unused resources to the pool
return_resource
(
&
(
resources
->
mem_head
),
mem_node
);
}
else
{
// it doesn't need any Mem
temp_word
=
0x0000
;
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_MEMORY_LIMIT
,
temp_word
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_MEMORY_LIMIT
,
temp_word
);
return_resource
(
&
(
resources
->
mem_head
),
mem_node
);
kfree
(
hold_mem_node
);
...
...
@@ -2825,7 +2840,7 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
hold_p_mem_node
->
base
=
p_mem_node
->
base
+
p_mem_node
->
length
;
temp_word
=
(
hold_p_mem_node
->
base
)
>>
16
;
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_PREF_MEMORY_BASE
,
temp_word
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_PREF_MEMORY_BASE
,
temp_word
);
return_resource
(
&
(
resources
->
p_mem_head
),
p_mem_node
);
}
...
...
@@ -2843,13 +2858,13 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
func
->
p_mem_head
=
hold_p_mem_node
;
temp_word
=
(
p_mem_node
->
base
-
1
)
>>
16
;
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_PREF_MEMORY_LIMIT
,
temp_word
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_PREF_MEMORY_LIMIT
,
temp_word
);
return_resource
(
&
(
resources
->
p_mem_head
),
p_mem_node
);
}
else
{
// it doesn't need any PMem
temp_word
=
0x0000
;
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_PREF_MEMORY_LIMIT
,
temp_word
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_PREF_MEMORY_LIMIT
,
temp_word
);
return_resource
(
&
(
resources
->
p_mem_head
),
p_mem_node
);
kfree
(
hold_p_mem_node
);
...
...
@@ -2870,14 +2885,14 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
// enable card
command
=
0x0157
;
// = PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE | PCI_COMMAND_PARITY | PCI_COMMAND_SERR
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_COMMAND
,
command
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_COMMAND
,
command
);
// set Bridge Control Register
command
=
0x07
;
// = PCI_BRIDGE_CTL_PARITY | PCI_BRIDGE_CTL_SERR | PCI_BRIDGE_CTL_NO_ISA
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_BRIDGE_CONTROL
,
command
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_BRIDGE_CONTROL
,
command
);
}
else
if
((
temp_byte
&
0x7F
)
==
PCI_HEADER_TYPE_NORMAL
)
{
// Standard device
rc
=
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
0x0B
,
&
class_code
);
rc
=
pci_
bus_read_config_byte
(
pci_bus
,
devf
n
,
0x0B
,
&
class_code
);
if
(
class_code
==
PCI_BASE_CLASS_DISPLAY
)
{
// Display (video) adapter (not supported)
...
...
@@ -2887,10 +2902,10 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
for
(
cloop
=
0x10
;
cloop
<=
0x24
;
cloop
+=
4
)
{
temp_register
=
0xFFFFFFFF
;
dbg
(
"CND: bus=%d, dev
ice=%d, func=%d, offset=%d
\n
"
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
cloop
);
rc
=
pci_
write_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
cloop
,
temp_register
);
dbg
(
"CND: bus=%d, dev
fn=%d, offset=%d
\n
"
,
pci_bus
->
number
,
devf
n
,
cloop
);
rc
=
pci_
bus_write_config_dword
(
pci_bus
,
devf
n
,
cloop
,
temp_register
);
rc
=
pci_
read_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
cloop
,
&
temp_register
);
rc
=
pci_
bus_read_config_dword
(
pci_bus
,
devf
n
,
cloop
,
&
temp_register
);
dbg
(
"CND: base = 0x%x
\n
"
,
temp_register
);
if
(
temp_register
)
{
// If this register is implemented
...
...
@@ -2971,7 +2986,7 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
return
(
NOT_ENOUGH_RESOURCES
);
}
rc
=
pci_
write_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
cloop
,
base
);
rc
=
pci_
bus_write_config_dword
(
pci_bus
,
devf
n
,
cloop
,
base
);
// Check for 64-bit base
if
((
temp_register
&
0x07L
)
==
0x04
)
{
...
...
@@ -2980,13 +2995,13 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
// Upper 32 bits of address always zero on today's systems
// FIXME this is probably not true on Alpha and ia64???
base
=
0
;
rc
=
pci_
write_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
cloop
,
base
);
rc
=
pci_
bus_write_config_dword
(
pci_bus
,
devf
n
,
cloop
,
base
);
}
}
}
// End of base register loop
// Figure out which interrupt pin this function uses
rc
=
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_INTERRUPT_PIN
,
&
temp_byte
);
rc
=
pci_
bus_read_config_byte
(
pci_bus
,
devf
n
,
PCI_INTERRUPT_PIN
,
&
temp_byte
);
// If this function needs an interrupt and we are behind a bridge
// and the pin is tied to something that's alread mapped,
...
...
@@ -2998,7 +3013,7 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
IRQ
=
resources
->
irqs
->
interrupt
[(
temp_byte
+
resources
->
irqs
->
barber_pole
-
1
)
&
0x03
];
}
else
{
// Program IRQ based on card type
rc
=
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
0x0B
,
&
class_code
);
rc
=
pci_
bus_read_config_byte
(
pci_bus
,
devf
n
,
0x0B
,
&
class_code
);
if
(
class_code
==
PCI_BASE_CLASS_STORAGE
)
{
IRQ
=
cpqhp_disk_irq
;
...
...
@@ -3008,7 +3023,7 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
}
// IRQ Line
rc
=
pci_
write_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_INTERRUPT_LINE
,
IRQ
);
rc
=
pci_
bus_write_config_byte
(
pci_bus
,
devf
n
,
PCI_INTERRUPT_LINE
,
IRQ
);
if
(
!
behind_bridge
)
{
rc
=
cpqhp_set_irq
(
func
->
bus
,
func
->
device
,
temp_byte
+
0x09
,
IRQ
);
...
...
@@ -3022,19 +3037,19 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
// Latency Timer
temp_byte
=
0x40
;
rc
=
pci_
write_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_LATENCY_TIMER
,
temp_byte
);
rc
=
pci_
bus_write_config_byte
(
pci_bus
,
devf
n
,
PCI_LATENCY_TIMER
,
temp_byte
);
// Cache Line size
temp_byte
=
0x08
;
rc
=
pci_
write_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_CACHE_LINE_SIZE
,
temp_byte
);
rc
=
pci_
bus_write_config_byte
(
pci_bus
,
devf
n
,
PCI_CACHE_LINE_SIZE
,
temp_byte
);
// disable ROM base Address
temp_dword
=
0x00L
;
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_ROM_ADDRESS
,
temp_dword
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_ROM_ADDRESS
,
temp_dword
);
// enable card
temp_word
=
0x0157
;
// = PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE | PCI_COMMAND_PARITY | PCI_COMMAND_SERR
rc
=
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_COMMAND
,
temp_word
);
rc
=
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_COMMAND
,
temp_word
);
}
// End of Not-A-Bridge else
else
{
// It's some strange type of PCI adapter (Cardbus?)
...
...
drivers/hotplug/cpqphp_nvram.c
View file @
82475a64
...
...
@@ -286,12 +286,12 @@ static u32 store_HRT (void *rom_start)
return
(
rc
);
// The device Number
rc
=
add_byte
(
&
pFill
,
ctrl
->
device
,
&
usedbytes
,
&
available
);
rc
=
add_byte
(
&
pFill
,
PCI_SLOT
(
ctrl
->
pci_dev
->
devfn
)
,
&
usedbytes
,
&
available
);
if
(
rc
)
return
(
rc
);
// The function Number
rc
=
add_byte
(
&
pFill
,
ctrl
->
function
,
&
usedbytes
,
&
available
);
rc
=
add_byte
(
&
pFill
,
PCI_FUNC
(
ctrl
->
pci_dev
->
devfn
)
,
&
usedbytes
,
&
available
);
if
(
rc
)
return
(
rc
);
...
...
@@ -479,8 +479,9 @@ int compaq_nvram_load (void *rom_start, struct controller *ctrl)
device
=
p_ev_ctrl
->
device
;
function
=
p_ev_ctrl
->
function
;
while
((
bus
!=
ctrl
->
bus
)
||
(
device
!=
ctrl
->
device
)
||
(
function
!=
ctrl
->
function
))
{
while
((
bus
!=
ctrl
->
bus
)
||
(
device
!=
PCI_SLOT
(
ctrl
->
pci_dev
->
devfn
))
||
(
function
!=
PCI_FUNC
(
ctrl
->
pci_dev
->
devfn
)))
{
nummem
=
p_ev_ctrl
->
mem_avail
;
numpmem
=
p_ev_ctrl
->
p_mem_avail
;
numio
=
p_ev_ctrl
->
io_avail
;
...
...
drivers/hotplug/cpqphp_pci.c
View file @
82475a64
...
...
@@ -150,8 +150,9 @@ static int configure_visit_pci_dev (struct pci_dev_wrapped *wrapped_dev, struct
//Create /proc/bus/pci proc entry for this device and bus device is on
//Notify the drivers of the change
if
(
temp_func
->
pci_dev
)
{
pci_proc_attach_device
(
temp_func
->
pci_dev
);
pci_announce_device_to_drivers
(
temp_func
->
pci_dev
);
// pci_insert_device (temp_func->pci_dev, bus);
// pci_proc_attach_device(temp_func->pci_dev);
// pci_announce_device_to_drivers(temp_func->pci_dev);
}
return
0
;
...
...
@@ -326,15 +327,15 @@ int cpqhp_unconfigure_device(struct pci_func* func)
return
rc
;
}
static
int
PCI_RefinedAccessConfig
(
struct
pci_
ops
*
ops
,
u8
bus
,
u8
device
,
u8
functio
n
,
u8
offset
,
u32
*
value
)
static
int
PCI_RefinedAccessConfig
(
struct
pci_
bus
*
bus
,
unsigned
int
devf
n
,
u8
offset
,
u32
*
value
)
{
u32
vendID
=
0
;
if
(
pci_
read_config_dword_nodev
(
ops
,
bus
,
device
,
functio
n
,
PCI_VENDOR_ID
,
&
vendID
)
==
-
1
)
if
(
pci_
bus_read_config_dword
(
bus
,
devf
n
,
PCI_VENDOR_ID
,
&
vendID
)
==
-
1
)
return
-
1
;
if
(
vendID
==
0xffffffff
)
return
-
1
;
return
pci_
read_config_dword_nodev
(
ops
,
bus
,
device
,
functio
n
,
offset
,
value
);
return
pci_
bus_read_config_dword
(
bus
,
devf
n
,
offset
,
value
);
}
...
...
@@ -392,9 +393,11 @@ static int PCI_ScanBusForNonBridge(struct controller *ctrl, u8 bus_num, u8 * dev
u32
work
;
u8
tbus
;
ctrl
->
pci_bus
->
number
=
bus_num
;
for
(
tdevice
=
0
;
tdevice
<
0x100
;
tdevice
++
)
{
//Scan for access first
if
(
PCI_RefinedAccessConfig
(
ctrl
->
pci_
ops
,
bus_num
,
tdevice
>>
3
,
tdevice
&
0x7
,
0x08
,
&
work
)
==
-
1
)
if
(
PCI_RefinedAccessConfig
(
ctrl
->
pci_
bus
,
tdevice
,
0x08
,
&
work
)
==
-
1
)
continue
;
dbg
(
"Looking for nonbridge bus_num %d dev_num %d
\n
"
,
bus_num
,
tdevice
);
//Yep we got one. Not a bridge ?
...
...
@@ -406,12 +409,12 @@ static int PCI_ScanBusForNonBridge(struct controller *ctrl, u8 bus_num, u8 * dev
}
for
(
tdevice
=
0
;
tdevice
<
0x100
;
tdevice
++
)
{
//Scan for access first
if
(
PCI_RefinedAccessConfig
(
ctrl
->
pci_
ops
,
bus_num
,
tdevice
>>
3
,
tdevice
&
0x7
,
0x08
,
&
work
)
==
-
1
)
if
(
PCI_RefinedAccessConfig
(
ctrl
->
pci_
bus
,
tdevice
,
0x08
,
&
work
)
==
-
1
)
continue
;
dbg
(
"Looking for bridge bus_num %d dev_num %d
\n
"
,
bus_num
,
tdevice
);
//Yep we got one. bridge ?
if
((
work
>>
8
)
==
PCI_TO_PCI_BRIDGE_CLASS
)
{
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
tbus
,
tdevice
,
0
,
PCI_SECONDARY_BUS
,
&
tbus
);
pci_
bus_read_config_byte
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
tdevice
,
0
)
,
PCI_SECONDARY_BUS
,
&
tbus
);
dbg
(
"Recurse on bus_num %d tdevice %d
\n
"
,
tbus
,
tdevice
);
if
(
PCI_ScanBusNonBridge
(
tbus
,
tdevice
)
==
0
)
return
0
;
...
...
@@ -450,19 +453,20 @@ static int PCI_GetBusDevHelper(struct controller *ctrl, u8 *bus_num, u8 *dev_num
if
(
tslot
==
slot
)
{
*
bus_num
=
tbus
;
*
dev_num
=
tdevice
;
pci_read_config_dword_nodev
(
ctrl
->
pci_ops
,
*
bus_num
,
*
dev_num
>>
3
,
*
dev_num
&
0x7
,
PCI_VENDOR_ID
,
&
work
);
ctrl
->
pci_bus
->
number
=
tbus
;
pci_bus_read_config_dword
(
ctrl
->
pci_bus
,
*
dev_num
,
PCI_VENDOR_ID
,
&
work
);
if
(
!
nobridge
||
(
work
==
0xffffffff
))
{
if
(
PCIIRQRoutingInfoLength
!=
NULL
)
kfree
(
PCIIRQRoutingInfoLength
);
return
0
;
}
dbg
(
"bus_num %d dev
_num %d func_num %d
\n
"
,
*
bus_num
,
*
dev_num
>>
3
,
*
dev_num
&
0x7
);
pci_
read_config_dword_nodev
(
ctrl
->
pci_ops
,
*
bus_num
,
*
dev_num
>>
3
,
*
dev_num
&
0x7
,
PCI_CLASS_REVISION
,
&
work
);
dbg
(
"bus_num %d dev
fn %d
\n
"
,
*
bus_num
,
*
dev_num
);
pci_
bus_read_config_dword
(
ctrl
->
pci_bus
,
*
dev_num
,
PCI_CLASS_REVISION
,
&
work
);
dbg
(
"work >> 8 (%x) = BRIDGE (%x)
\n
"
,
work
>>
8
,
PCI_TO_PCI_BRIDGE_CLASS
);
if
((
work
>>
8
)
==
PCI_TO_PCI_BRIDGE_CLASS
)
{
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
*
bus_num
,
*
dev_num
>>
3
,
*
dev_num
&
0x7
,
PCI_SECONDARY_BUS
,
&
tbus
);
pci_
bus_read_config_byte
(
ctrl
->
pci_bus
,
*
dev_num
,
PCI_SECONDARY_BUS
,
&
tbus
);
dbg
(
"Scan bus for Non Bridge: bus %d
\n
"
,
tbus
);
if
(
PCI_ScanBusForNonBridge
(
ctrl
,
tbus
,
dev_num
)
==
0
)
{
*
bus_num
=
tbus
;
...
...
@@ -535,17 +539,17 @@ int cpqhp_save_config(struct controller *ctrl, int busnumber, int is_hot_plug)
}
// Save PCI configuration space for all devices in supported slots
ctrl
->
pci_bus
->
number
=
busnumber
;
for
(
device
=
FirstSupported
;
device
<=
LastSupported
;
device
++
)
{
ID
=
0xFFFFFFFF
;
rc
=
pci_
read_config_dword_nodev
(
ctrl
->
pci_ops
,
busnumber
,
device
,
0
,
PCI_VENDOR_ID
,
&
ID
);
rc
=
pci_
bus_read_config_dword
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
device
,
0
)
,
PCI_VENDOR_ID
,
&
ID
);
if
(
ID
!=
0xFFFFFFFF
)
{
// device in slot
rc
=
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
busnumber
,
device
,
0
,
0x0B
,
&
class_code
);
rc
=
pci_
bus_read_config_byte
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
device
,
0
)
,
0x0B
,
&
class_code
);
if
(
rc
)
return
rc
;
rc
=
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
busnumber
,
device
,
0
,
PCI_HEADER_TYPE
,
&
header_type
);
rc
=
pci_
bus_read_config_byte
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
device
,
0
)
,
PCI_HEADER_TYPE
,
&
header_type
);
if
(
rc
)
return
rc
;
...
...
@@ -563,7 +567,7 @@ int cpqhp_save_config(struct controller *ctrl, int busnumber, int is_hot_plug)
if
((
header_type
&
0x7F
)
==
PCI_HEADER_TYPE_BRIDGE
)
{
// P-P Bridge
// Recurse the subordinate bus
// get the subordinate bus number
rc
=
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
busnumber
,
device
,
function
,
PCI_SECONDARY_BUS
,
&
secondary_bus
);
rc
=
pci_
bus_read_config_byte
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
device
,
function
)
,
PCI_SECONDARY_BUS
,
&
secondary_bus
);
if
(
rc
)
{
return
rc
;
}
else
{
...
...
@@ -572,9 +576,9 @@ int cpqhp_save_config(struct controller *ctrl, int busnumber, int is_hot_plug)
// Save secondary bus cfg spc
// with this recursive call.
rc
=
cpqhp_save_config
(
ctrl
,
sub_bus
,
0
);
if
(
rc
)
return
rc
;
ctrl
->
pci_bus
->
number
=
busnumber
;
}
}
...
...
@@ -602,7 +606,7 @@ int cpqhp_save_config(struct controller *ctrl, int busnumber, int is_hot_plug)
new_slot
->
pci_dev
=
pci_find_slot
(
new_slot
->
bus
,
(
new_slot
->
device
<<
3
)
|
new_slot
->
function
);
for
(
cloop
=
0
;
cloop
<
0x20
;
cloop
++
)
{
rc
=
pci_
read_config_dword_nodev
(
ctrl
->
pci_ops
,
busnumber
,
device
,
function
,
cloop
<<
2
,
(
u32
*
)
&
(
new_slot
->
config_space
[
cloop
]));
rc
=
pci_
bus_read_config_dword
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
device
,
function
)
,
cloop
<<
2
,
(
u32
*
)
&
(
new_slot
->
config_space
[
cloop
]));
if
(
rc
)
return
rc
;
}
...
...
@@ -615,15 +619,15 @@ int cpqhp_save_config(struct controller *ctrl, int busnumber, int is_hot_plug)
// reading in Class Code and Header type.
while
((
function
<
max_functions
)
&&
(
!
stop_it
))
{
rc
=
pci_
read_config_dword_nodev
(
ctrl
->
pci_ops
,
busnumber
,
device
,
function
,
PCI_VENDOR_ID
,
&
ID
);
rc
=
pci_
bus_read_config_dword
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
device
,
function
)
,
PCI_VENDOR_ID
,
&
ID
);
if
(
ID
==
0xFFFFFFFF
)
{
// nothing there.
function
++
;
}
else
{
// Something there
rc
=
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
busnumber
,
device
,
function
,
0x0B
,
&
class_code
);
rc
=
pci_
bus_read_config_byte
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
device
,
function
)
,
0x0B
,
&
class_code
);
if
(
rc
)
return
rc
;
rc
=
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
busnumber
,
device
,
function
,
PCI_HEADER_TYPE
,
&
header_type
);
rc
=
pci_
bus_read_config_byte
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
device
,
function
)
,
PCI_HEADER_TYPE
,
&
header_type
);
if
(
rc
)
return
rc
;
...
...
@@ -677,12 +681,12 @@ int cpqhp_save_slot_config (struct controller *ctrl, struct pci_func * new_slot)
ID
=
0xFFFFFFFF
;
pci_read_config_dword_nodev
(
ctrl
->
pci_ops
,
new_slot
->
bus
,
new_slot
->
device
,
0
,
PCI_VENDOR_ID
,
&
ID
);
ctrl
->
pci_bus
->
number
=
new_slot
->
bus
;
pci_bus_read_config_dword
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
new_slot
->
device
,
0
),
PCI_VENDOR_ID
,
&
ID
);
if
(
ID
!=
0xFFFFFFFF
)
{
// device in slot
pci_read_config_byte_nodev
(
ctrl
->
pci_ops
,
new_slot
->
bus
,
new_slot
->
device
,
0
,
0x0B
,
&
class_code
);
pci_read_config_byte_nodev
(
ctrl
->
pci_ops
,
new_slot
->
bus
,
new_slot
->
device
,
0
,
PCI_HEADER_TYPE
,
&
header_type
);
pci_bus_read_config_byte
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
new_slot
->
device
,
0
),
0x0B
,
&
class_code
);
pci_bus_read_config_byte
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
new_slot
->
device
,
0
),
PCI_HEADER_TYPE
,
&
header_type
);
if
(
header_type
&
0x80
)
// Multi-function device
max_functions
=
8
;
...
...
@@ -694,22 +698,22 @@ int cpqhp_save_slot_config (struct controller *ctrl, struct pci_func * new_slot)
do
{
if
((
header_type
&
0x7F
)
==
PCI_HEADER_TYPE_BRIDGE
)
{
// PCI-PCI Bridge
// Recurse the subordinate bus
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
new_slot
->
bus
,
new_slot
->
device
,
function
,
PCI_SECONDARY_BUS
,
&
secondary_bus
);
pci_
bus_read_config_byte
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
new_slot
->
device
,
function
)
,
PCI_SECONDARY_BUS
,
&
secondary_bus
);
sub_bus
=
(
int
)
secondary_bus
;
// Save the config headers for the secondary bus.
rc
=
cpqhp_save_config
(
ctrl
,
sub_bus
,
0
);
if
(
rc
)
return
(
rc
);
ctrl
->
pci_bus
->
number
=
new_slot
->
bus
;
}
// End of IF
new_slot
->
status
=
0
;
for
(
cloop
=
0
;
cloop
<
0x20
;
cloop
++
)
{
pci_
read_config_dword_nodev
(
ctrl
->
pci_ops
,
new_slot
->
bus
,
new_slot
->
device
,
function
,
cloop
<<
2
,
(
u32
*
)
&
(
new_slot
->
config_space
[
cloop
]));
pci_
bus_read_config_dword
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
new_slot
->
device
,
function
)
,
cloop
<<
2
,
(
u32
*
)
&
(
new_slot
->
config_space
[
cloop
]));
}
function
++
;
...
...
@@ -720,14 +724,14 @@ int cpqhp_save_slot_config (struct controller *ctrl, struct pci_func * new_slot)
// reading in the Class Code and the Header type.
while
((
function
<
max_functions
)
&&
(
!
stop_it
))
{
pci_
read_config_dword_nodev
(
ctrl
->
pci_ops
,
new_slot
->
bus
,
new_slot
->
device
,
function
,
PCI_VENDOR_ID
,
&
ID
);
pci_
bus_read_config_dword
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
new_slot
->
device
,
function
)
,
PCI_VENDOR_ID
,
&
ID
);
if
(
ID
==
0xFFFFFFFF
)
{
// nothing there.
function
++
;
}
else
{
// Something there
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
new_slot
->
bus
,
new_slot
->
device
,
function
,
0x0B
,
&
class_code
);
pci_
bus_read_config_byte
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
new_slot
->
device
,
function
)
,
0x0B
,
&
class_code
);
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
new_slot
->
bus
,
new_slot
->
device
,
function
,
PCI_HEADER_TYPE
,
&
header_type
);
pci_
bus_read_config_byte
(
ctrl
->
pci_bus
,
PCI_DEVFN
(
new_slot
->
device
,
function
)
,
PCI_HEADER_TYPE
,
&
header_type
);
stop_it
++
;
}
...
...
@@ -763,17 +767,21 @@ int cpqhp_save_base_addr_length(struct controller *ctrl, struct pci_func * func)
u32
rc
;
struct
pci_func
*
next
;
int
index
=
0
;
struct
pci_bus
*
pci_bus
=
ctrl
->
pci_bus
;
unsigned
int
devfn
;
func
=
cpqhp_slot_find
(
func
->
bus
,
func
->
device
,
index
++
);
while
(
func
!=
NULL
)
{
pci_bus
->
number
=
func
->
bus
;
devfn
=
PCI_DEVFN
(
func
->
device
,
func
->
function
);
// Check for Bridge
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_HEADER_TYPE
,
&
header_type
);
pci_
bus_read_config_byte
(
pci_bus
,
devf
n
,
PCI_HEADER_TYPE
,
&
header_type
);
if
((
header_type
&
0x7F
)
==
PCI_HEADER_TYPE_BRIDGE
)
{
// PCI-PCI Bridge
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_SECONDARY_BUS
,
&
secondary_bus
);
pci_
bus_read_config_byte
(
pci_bus
,
devf
n
,
PCI_SECONDARY_BUS
,
&
secondary_bus
);
sub_bus
=
(
int
)
secondary_bus
;
...
...
@@ -787,13 +795,14 @@ int cpqhp_save_base_addr_length(struct controller *ctrl, struct pci_func * func)
next
=
next
->
next
;
}
pci_bus
->
number
=
func
->
bus
;
//FIXME: this loop is duplicated in the non-bridge case. The two could be rolled together
// Figure out IO and memory base lengths
for
(
cloop
=
0x10
;
cloop
<=
0x14
;
cloop
+=
4
)
{
temp_register
=
0xFFFFFFFF
;
pci_
write_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
cloop
,
temp_register
);
pci_
read_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
cloop
,
&
base
);
pci_
bus_write_config_dword
(
pci_bus
,
devf
n
,
cloop
,
temp_register
);
pci_
bus_read_config_dword
(
pci_bus
,
devf
n
,
cloop
,
&
base
);
if
(
base
)
{
// If this register is implemented
if
(
base
&
0x01L
)
{
...
...
@@ -827,8 +836,8 @@ int cpqhp_save_base_addr_length(struct controller *ctrl, struct pci_func * func)
// Figure out IO and memory base lengths
for
(
cloop
=
0x10
;
cloop
<=
0x24
;
cloop
+=
4
)
{
temp_register
=
0xFFFFFFFF
;
pci_
write_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
cloop
,
temp_register
);
pci_
read_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
cloop
,
&
base
);
pci_
bus_write_config_dword
(
pci_bus
,
devf
n
,
cloop
,
temp_register
);
pci_
bus_read_config_dword
(
pci_bus
,
devf
n
,
cloop
,
&
base
);
if
(
base
)
{
// If this register is implemented
if
(
base
&
0x01L
)
{
...
...
@@ -897,28 +906,31 @@ int cpqhp_save_used_resources (struct controller *ctrl, struct pci_func * func)
struct
pci_resource
*
p_mem_node
;
struct
pci_resource
*
io_node
;
struct
pci_resource
*
bus_node
;
struct
pci_bus
*
pci_bus
=
ctrl
->
pci_bus
;
unsigned
int
devfn
;
func
=
cpqhp_slot_find
(
func
->
bus
,
func
->
device
,
index
++
);
while
((
func
!=
NULL
)
&&
func
->
is_a_board
)
{
pci_bus
->
number
=
func
->
bus
;
devfn
=
PCI_DEVFN
(
func
->
device
,
func
->
function
);
// Save the command register
pci_
read_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_COMMAND
,
&
save_command
);
pci_
bus_read_config_word
(
pci_bus
,
devf
n
,
PCI_COMMAND
,
&
save_command
);
// disable card
command
=
0x00
;
pci_
write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_COMMAND
,
command
);
pci_
bus_write_config_word
(
pci_bus
,
devf
n
,
PCI_COMMAND
,
command
);
// Check for Bridge
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_HEADER_TYPE
,
&
header_type
);
pci_
bus_read_config_byte
(
pci_bus
,
devf
n
,
PCI_HEADER_TYPE
,
&
header_type
);
if
((
header_type
&
0x7F
)
==
PCI_HEADER_TYPE_BRIDGE
)
{
// PCI-PCI Bridge
// Clear Bridge Control Register
command
=
0x00
;
pci_write_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
function
,
PCI_BRIDGE_CONTROL
,
command
);
pci_read_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
function
,
PCI_SECONDARY_BUS
,
&
secondary_bus
);
pci_read_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
function
,
PCI_SUBORDINATE_BUS
,
&
temp_byte
);
pci_bus_write_config_word
(
pci_bus
,
devfn
,
PCI_BRIDGE_CONTROL
,
command
);
pci_bus_read_config_byte
(
pci_bus
,
devfn
,
PCI_SECONDARY_BUS
,
&
secondary_bus
);
pci_bus_read_config_byte
(
pci_bus
,
devfn
,
PCI_SUBORDINATE_BUS
,
&
temp_byte
);
bus_node
=
(
struct
pci_resource
*
)
kmalloc
(
sizeof
(
struct
pci_resource
),
GFP_KERNEL
);
if
(
!
bus_node
)
...
...
@@ -931,9 +943,8 @@ int cpqhp_save_used_resources (struct controller *ctrl, struct pci_func * func)
func
->
bus_head
=
bus_node
;
// Save IO base and Limit registers
pci_read_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
function
,
PCI_IO_BASE
,
&
b_base
);
pci_read_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
function
,
PCI_IO_LIMIT
,
&
b_length
);
pci_bus_read_config_byte
(
pci_bus
,
devfn
,
PCI_IO_BASE
,
&
b_base
);
pci_bus_read_config_byte
(
pci_bus
,
devfn
,
PCI_IO_LIMIT
,
&
b_length
);
if
((
b_base
<=
b_length
)
&&
(
save_command
&
0x01
))
{
io_node
=
(
struct
pci_resource
*
)
kmalloc
(
sizeof
(
struct
pci_resource
),
GFP_KERNEL
);
...
...
@@ -946,10 +957,10 @@ int cpqhp_save_used_resources (struct controller *ctrl, struct pci_func * func)
io_node
->
next
=
func
->
io_head
;
func
->
io_head
=
io_node
;
}
// Save memory base and Limit registers
pci_read_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
function
,
PCI_MEMORY_BASE
,
&
w_base
);
pci_read_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
function
,
PCI_MEMORY_LIMIT
,
&
w_length
);
// Save memory base and Limit registers
pci_bus_read_config_word
(
pci_bus
,
devfn
,
PCI_MEMORY_BASE
,
&
w_base
);
pci_bus_read_config_word
(
pci_bus
,
devfn
,
PCI_MEMORY_LIMIT
,
&
w_length
);
if
((
w_base
<=
w_length
)
&&
(
save_command
&
0x02
))
{
mem_node
=
(
struct
pci_resource
*
)
kmalloc
(
sizeof
(
struct
pci_resource
),
GFP_KERNEL
);
...
...
@@ -962,10 +973,10 @@ int cpqhp_save_used_resources (struct controller *ctrl, struct pci_func * func)
mem_node
->
next
=
func
->
mem_head
;
func
->
mem_head
=
mem_node
;
}
// Save prefetchable memory base and Limit registers
pci_read_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
function
,
PCI_PREF_MEMORY_BASE
,
&
w_base
);
pci_read_config_word_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
function
,
PCI_PREF_MEMORY_LIMIT
,
&
w_length
);
// Save prefetchable memory base and Limit registers
pci_bus_read_config_word
(
pci_bus
,
devfn
,
PCI_PREF_MEMORY_BASE
,
&
w_base
);
pci_bus_read_config_word
(
pci_bus
,
devfn
,
PCI_PREF_MEMORY_LIMIT
,
&
w_length
);
if
((
w_base
<=
w_length
)
&&
(
save_command
&
0x02
))
{
p_mem_node
=
(
struct
pci_resource
*
)
kmalloc
(
sizeof
(
struct
pci_resource
),
GFP_KERNEL
);
...
...
@@ -980,12 +991,11 @@ int cpqhp_save_used_resources (struct controller *ctrl, struct pci_func * func)
}
// Figure out IO and memory base lengths
for
(
cloop
=
0x10
;
cloop
<=
0x14
;
cloop
+=
4
)
{
pci_
read_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
cloop
,
&
save_base
);
pci_
bus_read_config_dword
(
pci_bus
,
devf
n
,
cloop
,
&
save_base
);
temp_register
=
0xFFFFFFFF
;
pci_write_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
function
,
cloop
,
temp_register
);
pci_read_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
function
,
cloop
,
&
base
);
pci_bus_write_config_dword
(
pci_bus
,
devfn
,
cloop
,
temp_register
);
pci_bus_read_config_dword
(
pci_bus
,
devfn
,
cloop
,
&
base
);
temp_register
=
base
;
...
...
@@ -1046,12 +1056,11 @@ int cpqhp_save_used_resources (struct controller *ctrl, struct pci_func * func)
}
else
if
((
header_type
&
0x7F
)
==
0x00
)
{
// Standard header
// Figure out IO and memory base lengths
for
(
cloop
=
0x10
;
cloop
<=
0x24
;
cloop
+=
4
)
{
pci_
read_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
cloop
,
&
save_base
);
pci_
bus_read_config_dword
(
pci_bus
,
devf
n
,
cloop
,
&
save_base
);
temp_register
=
0xFFFFFFFF
;
pci_write_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
function
,
cloop
,
temp_register
);
pci_read_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
function
,
cloop
,
&
base
);
pci_bus_write_config_dword
(
pci_bus
,
devfn
,
cloop
,
temp_register
);
pci_bus_read_config_dword
(
pci_bus
,
devfn
,
cloop
,
&
base
);
temp_register
=
base
;
...
...
@@ -1138,21 +1147,26 @@ int cpqhp_configure_board(struct controller *ctrl, struct pci_func * func)
u32
temp
;
u32
rc
;
int
index
=
0
;
struct
pci_bus
*
pci_bus
=
ctrl
->
pci_bus
;
unsigned
int
devfn
;
func
=
cpqhp_slot_find
(
func
->
bus
,
func
->
device
,
index
++
);
while
(
func
!=
NULL
)
{
pci_bus
->
number
=
func
->
bus
;
devfn
=
PCI_DEVFN
(
func
->
device
,
func
->
function
);
// Start at the top of config space so that the control
// registers are programmed last
for
(
cloop
=
0x3C
;
cloop
>
0
;
cloop
-=
4
)
{
pci_
write_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
cloop
,
func
->
config_space
[
cloop
>>
2
]);
pci_
bus_write_config_dword
(
pci_bus
,
devf
n
,
cloop
,
func
->
config_space
[
cloop
>>
2
]);
}
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_HEADER_TYPE
,
&
header_type
);
pci_
bus_read_config_byte
(
pci_bus
,
devf
n
,
PCI_HEADER_TYPE
,
&
header_type
);
// If this is a bridge device, restore subordinate devices
if
((
header_type
&
0x7F
)
==
PCI_HEADER_TYPE_BRIDGE
)
{
// PCI-PCI Bridge
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_SECONDARY_BUS
,
&
secondary_bus
);
pci_
bus_read_config_byte
(
pci_bus
,
devf
n
,
PCI_SECONDARY_BUS
,
&
secondary_bus
);
sub_bus
=
(
int
)
secondary_bus
;
...
...
@@ -1172,7 +1186,7 @@ int cpqhp_configure_board(struct controller *ctrl, struct pci_func * func)
// they are the same. If not, the board is different.
for
(
cloop
=
16
;
cloop
<
40
;
cloop
+=
4
)
{
pci_
read_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
cloop
,
&
temp
);
pci_
bus_read_config_dword
(
pci_bus
,
devf
n
,
cloop
,
&
temp
);
if
(
temp
!=
func
->
config_space
[
cloop
>>
2
])
{
dbg
(
"Config space compare failure!!! offset = %x
\n
"
,
cloop
);
...
...
@@ -1212,6 +1226,8 @@ int cpqhp_valid_replace(struct controller *ctrl, struct pci_func * func)
u32
rc
;
struct
pci_func
*
next
;
int
index
=
0
;
struct
pci_bus
*
pci_bus
=
ctrl
->
pci_bus
;
unsigned
int
devfn
;
if
(
!
func
->
is_a_board
)
return
(
ADD_NOT_SUPPORTED
);
...
...
@@ -1219,7 +1235,10 @@ int cpqhp_valid_replace(struct controller *ctrl, struct pci_func * func)
func
=
cpqhp_slot_find
(
func
->
bus
,
func
->
device
,
index
++
);
while
(
func
!=
NULL
)
{
pci_read_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
function
,
PCI_VENDOR_ID
,
&
temp_register
);
pci_bus
->
number
=
func
->
bus
;
devfn
=
PCI_DEVFN
(
func
->
device
,
func
->
function
);
pci_bus_read_config_dword
(
pci_bus
,
devfn
,
PCI_VENDOR_ID
,
&
temp_register
);
// No adapter present
if
(
temp_register
==
0xFFFFFFFF
)
...
...
@@ -1229,14 +1248,14 @@ int cpqhp_valid_replace(struct controller *ctrl, struct pci_func * func)
return
(
ADAPTER_NOT_SAME
);
// Check for same revision number and class code
pci_
read_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_CLASS_REVISION
,
&
temp_register
);
pci_
bus_read_config_dword
(
pci_bus
,
devf
n
,
PCI_CLASS_REVISION
,
&
temp_register
);
// Adapter not the same
if
(
temp_register
!=
func
->
config_space
[
0x08
>>
2
])
return
(
ADAPTER_NOT_SAME
);
// Check for Bridge
pci_
read_config_byte_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_HEADER_TYPE
,
&
header_type
);
pci_
bus_read_config_byte
(
pci_bus
,
devf
n
,
PCI_HEADER_TYPE
,
&
header_type
);
if
((
header_type
&
0x7F
)
==
PCI_HEADER_TYPE_BRIDGE
)
{
// PCI-PCI Bridge
// In order to continue checking, we must program the
...
...
@@ -1244,7 +1263,7 @@ int cpqhp_valid_replace(struct controller *ctrl, struct pci_func * func)
// for it's subordinate bus(es)
temp_register
=
func
->
config_space
[
0x18
>>
2
];
pci_
write_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_PRIMARY_BUS
,
temp_register
);
pci_
bus_write_config_dword
(
pci_bus
,
devf
n
,
PCI_PRIMARY_BUS
,
temp_register
);
secondary_bus
=
(
temp_register
>>
8
)
&
0xFF
;
...
...
@@ -1263,7 +1282,7 @@ int cpqhp_valid_replace(struct controller *ctrl, struct pci_func * func)
// Check to see if it is a standard config header
else
if
((
header_type
&
0x7F
)
==
PCI_HEADER_TYPE_NORMAL
)
{
// Check subsystem vendor and ID
pci_
read_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
functio
n
,
PCI_SUBSYSTEM_VENDOR_ID
,
&
temp_register
);
pci_
bus_read_config_dword
(
pci_bus
,
devf
n
,
PCI_SUBSYSTEM_VENDOR_ID
,
&
temp_register
);
if
(
temp_register
!=
func
->
config_space
[
0x2C
>>
2
])
{
// If it's a SMART-2 and the register isn't filled
...
...
@@ -1277,10 +1296,8 @@ int cpqhp_valid_replace(struct controller *ctrl, struct pci_func * func)
// Figure out IO and memory base lengths
for
(
cloop
=
0x10
;
cloop
<=
0x24
;
cloop
+=
4
)
{
temp_register
=
0xFFFFFFFF
;
pci_write_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
function
,
cloop
,
temp_register
);
pci_read_config_dword_nodev
(
ctrl
->
pci_ops
,
func
->
bus
,
func
->
device
,
func
->
function
,
cloop
,
&
base
);
pci_bus_write_config_dword
(
pci_bus
,
devfn
,
cloop
,
temp_register
);
pci_bus_read_config_dword
(
pci_bus
,
devfn
,
cloop
,
&
base
);
if
(
base
)
{
// If this register is implemented
if
(
base
&
0x01L
)
{
// IO base
...
...
@@ -1436,8 +1453,8 @@ int cpqhp_find_available_resources (struct controller *ctrl, void *rom_start)
continue
;
}
// find out if this entry is for an occupied slot
pci_read_config_dword_nodev
(
ctrl
->
pci_ops
,
primary_bus
,
dev_func
>>
3
,
dev_func
&
0x07
,
PCI_VENDOR_ID
,
&
temp_dword
)
;
ctrl
->
pci_bus
->
number
=
primary_bus
;
pci_bus_read_config_dword
(
ctrl
->
pci_bus
,
dev_func
,
PCI_VENDOR_ID
,
&
temp_dword
);
dbg
(
"temp_D_word = %x
\n
"
,
temp_dword
);
if
(
temp_dword
!=
0xFFFFFFFF
)
{
...
...
drivers/hotplug/cpqphp_proc.c
View file @
82475a64
...
...
@@ -53,8 +53,9 @@ static int read_ctrl (char *buf, char **start, off_t offset, int len, int *eof,
*
eof
=
1
;
out
+=
sprintf
(
out
,
"hot plug ctrl Info Page
\n
"
);
out
+=
sprintf
(
out
,
"bus = %d, device = %d, function = %d
\n
"
,
ctrl
->
bus
,
ctrl
->
device
,
ctrl
->
function
);
out
+=
sprintf
(
out
,
"bus = %d, device = %d, function = %d
\n
"
,
ctrl
->
bus
,
PCI_SLOT
(
ctrl
->
pci_dev
->
devfn
),
PCI_FUNC
(
ctrl
->
pci_dev
->
devfn
));
out
+=
sprintf
(
out
,
"Free resources: memory
\n
"
);
index
=
11
;
res
=
ctrl
->
mem_head
;
...
...
@@ -104,8 +105,9 @@ static int read_dev (char *buf, char **start, off_t offset, int len, int *eof, v
*
eof
=
1
;
out
+=
sprintf
(
out
,
"hot plug ctrl Info Page
\n
"
);
out
+=
sprintf
(
out
,
"bus = %d, device = %d, function = %d
\n
"
,
ctrl
->
bus
,
ctrl
->
device
,
ctrl
->
function
);
out
+=
sprintf
(
out
,
"bus = %d, device = %d, function = %d
\n
"
,
ctrl
->
bus
,
PCI_SLOT
(
ctrl
->
pci_dev
->
devfn
),
PCI_FUNC
(
ctrl
->
pci_dev
->
devfn
));
slot
=
ctrl
->
slot
;
...
...
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