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nexedi
linux
Commits
ef7f120a
Commit
ef7f120a
authored
Sep 09, 2002
by
Irene Zubarev
Committed by
Greg Kroah-Hartman
Sep 09, 2002
Browse files
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Plain Diff
[PATCH] IBM PCI Hotplug driver update for PCI based controllers
parent
9adaeddf
Changes
4
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Inline
Side-by-side
Showing
4 changed files
with
97 additions
and
6 deletions
+97
-6
drivers/hotplug/ibmphp.h
drivers/hotplug/ibmphp.h
+1
-0
drivers/hotplug/ibmphp_core.c
drivers/hotplug/ibmphp_core.c
+5
-0
drivers/hotplug/ibmphp_ebda.c
drivers/hotplug/ibmphp_ebda.c
+65
-6
drivers/hotplug/ibmphp_hpc.c
drivers/hotplug/ibmphp_hpc.c
+26
-0
No files found.
drivers/hotplug/ibmphp.h
View file @
ef7f120a
...
...
@@ -737,6 +737,7 @@ struct slot {
struct
controller
{
struct
ebda_hpc_slot
*
slots
;
struct
ebda_hpc_bus
*
buses
;
struct
pci_dev
*
ctrl_dev
;
/* in case where controller is PCI */
u8
starting_slot_num
;
/* starting and ending slot #'s this ctrl controls*/
u8
ending_slot_num
;
u8
revision
;
...
...
drivers/hotplug/ibmphp_core.c
View file @
ef7f120a
...
...
@@ -1636,6 +1636,11 @@ static int __init ibmphp_init (void)
max_slots
=
get_max_slots
();
if
((
rc
=
ibmphp_register_pci
()))
{
ibmphp_unload
();
return
rc
;
}
if
(
init_ops
())
{
ibmphp_unload
();
return
-
ENODEV
;
...
...
drivers/hotplug/ibmphp_ebda.c
View file @
ef7f120a
...
...
@@ -131,6 +131,7 @@ static void free_ebda_hpc (struct controller *controller)
controller
->
slots
=
NULL
;
kfree
(
controller
->
buses
);
controller
->
buses
=
NULL
;
controller
->
ctrl_dev
=
NULL
;
kfree
(
controller
);
}
...
...
@@ -798,6 +799,8 @@ static char *create_file_name (struct slot * slot_cur)
return
NULL
;
}
static
struct
pci_driver
ibmphp_driver
;
/*
* map info (ctlr-id, slot count, slot#.. bus count, bus#, ctlr type...) of
* each hpc from physical address to a list of hot plug controllers based on
...
...
@@ -929,6 +932,7 @@ static int __init ebda_rsrc_controller (void)
hpc_ptr
->
u
.
pci_ctlr
.
dev_fun
=
readb
(
io_mem
+
addr
+
1
);
hpc_ptr
->
irq
=
readb
(
io_mem
+
addr
+
2
);
addr
+=
3
;
debug
(
"ctrl bus = %x, ctlr devfun = %x, irq = %x
\n
"
,
hpc_ptr
->
u
.
pci_ctlr
.
bus
,
hpc_ptr
->
u
.
pci_ctlr
.
dev_fun
,
hpc_ptr
->
irq
);
break
;
case
0
:
...
...
@@ -954,12 +958,6 @@ static int __init ebda_rsrc_controller (void)
return
-
ENODEV
;
}
/* following 3 line: Now our driver only supports I2c/ISA ctlrType */
if
((
hpc_ptr
->
ctlr_type
!=
2
)
&&
(
hpc_ptr
->
ctlr_type
!=
4
)
&&
(
hpc_ptr
->
ctlr_type
!=
0
))
{
err
(
"Please run this driver on IBM xSeries440 or xSeries 235
\n
"
);
return
-
ENODEV
;
}
//reorganize chassis' linked list
combine_wpg_for_chassis
();
combine_wpg_for_expansion
();
...
...
@@ -1213,11 +1211,16 @@ void ibmphp_free_ebda_hpc_queue (void)
struct
controller
*
controller
=
NULL
;
struct
list_head
*
list
;
struct
list_head
*
next
;
int
pci_flag
=
0
;
list_for_each_safe
(
list
,
next
,
&
ebda_hpc_head
)
{
controller
=
list_entry
(
list
,
struct
controller
,
ebda_hpc_list
);
if
(
controller
->
ctlr_type
==
0
)
release_region
(
controller
->
u
.
isa_ctlr
.
io_start
,
(
controller
->
u
.
isa_ctlr
.
io_end
-
controller
->
u
.
isa_ctlr
.
io_start
+
1
));
else
if
((
controller
->
ctlr_type
==
1
)
&&
(
!
pci_flag
))
{
++
pci_flag
;
pci_unregister_driver
(
&
ibmphp_driver
);
}
free_ebda_hpc
(
controller
);
}
}
...
...
@@ -1234,3 +1237,59 @@ void ibmphp_free_ebda_pci_rsrc_queue (void)
resource
=
NULL
;
}
}
static
struct
pci_device_id
id_table
[]
__devinitdata
=
{
{
vendor:
PCI_VENDOR_ID_IBM
,
device:
HPC_DEVICE_ID
,
subvendor:
PCI_VENDOR_ID_IBM
,
subdevice:
HPC_SUBSYSTEM_ID
,
class:
((
PCI_CLASS_SYSTEM_PCI_HOTPLUG
<<
8
)
|
0x00
),
},
{}
};
MODULE_DEVICE_TABLE
(
pci
,
id_table
);
static
int
ibmphp_probe
(
struct
pci_dev
*
,
const
struct
pci_device_id
*
);
static
struct
pci_driver
ibmphp_driver
=
{
name:
"ibmphp"
,
id_table:
id_table
,
probe:
ibmphp_probe
,
};
int
ibmphp_register_pci
(
void
)
{
struct
controller
*
ctrl
;
struct
list_head
*
tmp
;
int
rc
=
0
;
list_for_each
(
tmp
,
&
ebda_hpc_head
)
{
ctrl
=
list_entry
(
tmp
,
struct
controller
,
ebda_hpc_list
);
if
(
ctrl
->
ctlr_type
==
1
)
{
rc
=
pci_module_init
(
&
ibmphp_driver
);
break
;
}
}
return
rc
;
}
static
int
ibmphp_probe
(
struct
pci_dev
*
dev
,
const
struct
pci_device_id
*
ids
)
{
struct
controller
*
ctrl
;
struct
list_head
*
tmp
;
debug
(
"inside ibmphp_probe
\n
"
);
list_for_each
(
tmp
,
&
ebda_hpc_head
)
{
ctrl
=
list_entry
(
tmp
,
struct
controller
,
ebda_hpc_list
);
if
(
ctrl
->
ctlr_type
==
1
)
{
if
((
dev
->
devfn
==
ctrl
->
u
.
pci_ctlr
.
dev_fun
)
&&
(
dev
->
bus
->
number
==
ctrl
->
u
.
pci_ctlr
.
bus
))
{
ctrl
->
ctrl_dev
=
dev
;
debug
(
"found device!!!
\n
"
);
debug
(
"dev->device = %x, dev->subsystem_device = %x
\n
"
,
dev
->
device
,
dev
->
subsystem_device
);
return
0
;
}
}
}
return
-
ENODEV
;
}
drivers/hotplug/ibmphp_hpc.c
View file @
ef7f120a
...
...
@@ -379,6 +379,26 @@ static void isa_ctrl_write (struct controller *ctlr_ptr, u8 offset, u8 data)
outb
(
data
,
port_address
);
}
static
u8
pci_ctrl_read
(
struct
controller
*
ctrl
,
u8
offset
)
{
u8
data
=
0x00
;
debug
(
"inside pci_ctrl_read
\n
"
);
if
(
ctrl
->
ctrl_dev
)
pci_read_config_byte
(
ctrl
->
ctrl_dev
,
HPC_PCI_OFFSET
+
offset
,
&
data
);
return
data
;
}
static
u8
pci_ctrl_write
(
struct
controller
*
ctrl
,
u8
offset
,
u8
data
)
{
u8
rc
=
-
ENODEV
;
debug
(
"inside pci_ctrl_write
\n
"
);
if
(
ctrl
->
ctrl_dev
)
{
pci_write_config_byte
(
ctrl
->
ctrl_dev
,
HPC_PCI_OFFSET
+
offset
,
data
);
rc
=
0
;
}
return
rc
;
}
static
u8
ctrl_read
(
struct
controller
*
ctlr
,
void
*
base
,
u8
offset
)
{
u8
rc
;
...
...
@@ -386,6 +406,9 @@ static u8 ctrl_read (struct controller *ctlr, void *base, u8 offset)
case
0
:
rc
=
isa_ctrl_read
(
ctlr
,
offset
);
break
;
case
1
:
rc
=
pci_ctrl_read
(
ctlr
,
offset
);
break
;
case
2
:
case
4
:
rc
=
i2c_ctrl_read
(
ctlr
,
base
,
offset
);
...
...
@@ -403,6 +426,9 @@ static u8 ctrl_write (struct controller *ctlr, void *base, u8 offset, u8 data)
case
0
:
isa_ctrl_write
(
ctlr
,
offset
,
data
);
break
;
case
1
:
rc
=
pci_ctrl_write
(
ctlr
,
offset
,
data
);
break
;
case
2
:
case
4
:
rc
=
i2c_ctrl_write
(
ctlr
,
base
,
offset
,
data
);
...
...
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