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Kirill Smelkov
linux
Commits
216fe702
Commit
216fe702
authored
Mar 01, 2010
by
Roland Dreier
Browse files
Options
Browse Files
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Plain Diff
Merge branch 'cxgb3' into for-next
parents
e8094e66
68baf495
Changes
13
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Side-by-side
Showing
13 changed files
with
203 additions
and
24 deletions
+203
-24
drivers/infiniband/hw/cxgb3/cxio_hal.c
drivers/infiniband/hw/cxgb3/cxio_hal.c
+7
-8
drivers/infiniband/hw/cxgb3/cxio_hal.h
drivers/infiniband/hw/cxgb3/cxio_hal.h
+2
-2
drivers/infiniband/hw/cxgb3/cxio_wr.h
drivers/infiniband/hw/cxgb3/cxio_wr.h
+16
-1
drivers/infiniband/hw/cxgb3/iwch.c
drivers/infiniband/hw/cxgb3/iwch.c
+76
-4
drivers/infiniband/hw/cxgb3/iwch.h
drivers/infiniband/hw/cxgb3/iwch.h
+2
-0
drivers/infiniband/hw/cxgb3/iwch_provider.c
drivers/infiniband/hw/cxgb3/iwch_provider.c
+1
-1
drivers/infiniband/hw/cxgb3/iwch_qp.c
drivers/infiniband/hw/cxgb3/iwch_qp.c
+6
-3
drivers/net/cxgb3/adapter.h
drivers/net/cxgb3/adapter.h
+5
-0
drivers/net/cxgb3/cxgb3_main.c
drivers/net/cxgb3/cxgb3_main.c
+56
-1
drivers/net/cxgb3/cxgb3_offload.h
drivers/net/cxgb3/cxgb3_offload.h
+4
-1
drivers/net/cxgb3/regs.h
drivers/net/cxgb3/regs.h
+16
-0
drivers/net/cxgb3/sge.c
drivers/net/cxgb3/sge.c
+8
-2
drivers/net/cxgb3/t3_hw.c
drivers/net/cxgb3/t3_hw.c
+4
-1
No files found.
drivers/infiniband/hw/cxgb3/cxio_hal.c
View file @
216fe702
...
...
@@ -109,7 +109,6 @@ int cxio_hal_cq_op(struct cxio_rdev *rdev_p, struct t3_cq *cq,
while
(
!
CQ_VLD_ENTRY
(
rptr
,
cq
->
size_log2
,
cqe
))
{
udelay
(
1
);
if
(
i
++
>
1000000
)
{
BUG_ON
(
1
);
printk
(
KERN_ERR
"%s: stalled rnic
\n
"
,
rdev_p
->
dev_name
);
return
-
EIO
;
...
...
@@ -155,7 +154,7 @@ static int cxio_hal_clear_qp_ctx(struct cxio_rdev *rdev_p, u32 qpid)
return
iwch_cxgb3_ofld_send
(
rdev_p
->
t3cdev_p
,
skb
);
}
int
cxio_create_cq
(
struct
cxio_rdev
*
rdev_p
,
struct
t3_cq
*
cq
)
int
cxio_create_cq
(
struct
cxio_rdev
*
rdev_p
,
struct
t3_cq
*
cq
,
int
kernel
)
{
struct
rdma_cq_setup
setup
;
int
size
=
(
1UL
<<
(
cq
->
size_log2
))
*
sizeof
(
struct
t3_cqe
);
...
...
@@ -163,12 +162,12 @@ int cxio_create_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq)
cq
->
cqid
=
cxio_hal_get_cqid
(
rdev_p
->
rscp
);
if
(
!
cq
->
cqid
)
return
-
ENOMEM
;
if
(
kernel
)
{
cq
->
sw_queue
=
kzalloc
(
size
,
GFP_KERNEL
);
if
(
!
cq
->
sw_queue
)
return
-
ENOMEM
;
cq
->
queue
=
dma_alloc_coherent
(
&
(
rdev_p
->
rnic_info
.
pdev
->
dev
),
(
1UL
<<
(
cq
->
size_log2
))
*
sizeof
(
struct
t3_cqe
),
}
cq
->
queue
=
dma_alloc_coherent
(
&
(
rdev_p
->
rnic_info
.
pdev
->
dev
),
size
,
&
(
cq
->
dma_addr
),
GFP_KERNEL
);
if
(
!
cq
->
queue
)
{
kfree
(
cq
->
sw_queue
);
...
...
drivers/infiniband/hw/cxgb3/cxio_hal.h
View file @
216fe702
...
...
@@ -53,7 +53,7 @@
#define T3_MAX_PBL_SIZE 256
#define T3_MAX_RQ_SIZE 1024
#define T3_MAX_QP_DEPTH (T3_MAX_RQ_SIZE-1)
#define T3_MAX_CQ_DEPTH
8192
#define T3_MAX_CQ_DEPTH
262144
#define T3_MAX_NUM_STAG (1<<15)
#define T3_MAX_MR_SIZE 0x100000000ULL
#define T3_PAGESIZE_MASK 0xffff000
/* 4KB-128MB */
...
...
@@ -157,7 +157,7 @@ int cxio_rdev_open(struct cxio_rdev *rdev);
void
cxio_rdev_close
(
struct
cxio_rdev
*
rdev
);
int
cxio_hal_cq_op
(
struct
cxio_rdev
*
rdev
,
struct
t3_cq
*
cq
,
enum
t3_cq_opcode
op
,
u32
credit
);
int
cxio_create_cq
(
struct
cxio_rdev
*
rdev
,
struct
t3_cq
*
cq
);
int
cxio_create_cq
(
struct
cxio_rdev
*
rdev
,
struct
t3_cq
*
cq
,
int
kernel
);
int
cxio_destroy_cq
(
struct
cxio_rdev
*
rdev
,
struct
t3_cq
*
cq
);
int
cxio_resize_cq
(
struct
cxio_rdev
*
rdev
,
struct
t3_cq
*
cq
);
void
cxio_release_ucontext
(
struct
cxio_rdev
*
rdev
,
struct
cxio_ucontext
*
uctx
);
...
...
drivers/infiniband/hw/cxgb3/cxio_wr.h
View file @
216fe702
...
...
@@ -730,7 +730,22 @@ struct t3_cq {
static
inline
void
cxio_set_wq_in_error
(
struct
t3_wq
*
wq
)
{
wq
->
queue
->
wq_in_err
.
err
=
1
;
wq
->
queue
->
wq_in_err
.
err
|=
1
;
}
static
inline
void
cxio_disable_wq_db
(
struct
t3_wq
*
wq
)
{
wq
->
queue
->
wq_in_err
.
err
|=
2
;
}
static
inline
void
cxio_enable_wq_db
(
struct
t3_wq
*
wq
)
{
wq
->
queue
->
wq_in_err
.
err
&=
~
2
;
}
static
inline
int
cxio_wq_db_enabled
(
struct
t3_wq
*
wq
)
{
return
!
(
wq
->
queue
->
wq_in_err
.
err
&
2
);
}
static
inline
struct
t3_cqe
*
cxio_next_hw_cqe
(
struct
t3_cq
*
cq
)
...
...
drivers/infiniband/hw/cxgb3/iwch.c
View file @
216fe702
...
...
@@ -65,6 +65,46 @@ struct cxgb3_client t3c_client = {
static
LIST_HEAD
(
dev_list
);
static
DEFINE_MUTEX
(
dev_mutex
);
static
int
disable_qp_db
(
int
id
,
void
*
p
,
void
*
data
)
{
struct
iwch_qp
*
qhp
=
p
;
cxio_disable_wq_db
(
&
qhp
->
wq
);
return
0
;
}
static
int
enable_qp_db
(
int
id
,
void
*
p
,
void
*
data
)
{
struct
iwch_qp
*
qhp
=
p
;
if
(
data
)
ring_doorbell
(
qhp
->
rhp
->
rdev
.
ctrl_qp
.
doorbell
,
qhp
->
wq
.
qpid
);
cxio_enable_wq_db
(
&
qhp
->
wq
);
return
0
;
}
static
void
disable_dbs
(
struct
iwch_dev
*
rnicp
)
{
spin_lock_irq
(
&
rnicp
->
lock
);
idr_for_each
(
&
rnicp
->
qpidr
,
disable_qp_db
,
NULL
);
spin_unlock_irq
(
&
rnicp
->
lock
);
}
static
void
enable_dbs
(
struct
iwch_dev
*
rnicp
,
int
ring_db
)
{
spin_lock_irq
(
&
rnicp
->
lock
);
idr_for_each
(
&
rnicp
->
qpidr
,
enable_qp_db
,
(
void
*
)(
unsigned
long
)
ring_db
);
spin_unlock_irq
(
&
rnicp
->
lock
);
}
static
void
iwch_db_drop_task
(
struct
work_struct
*
work
)
{
struct
iwch_dev
*
rnicp
=
container_of
(
work
,
struct
iwch_dev
,
db_drop_task
.
work
);
enable_dbs
(
rnicp
,
1
);
}
static
void
rnic_init
(
struct
iwch_dev
*
rnicp
)
{
PDBG
(
"%s iwch_dev %p
\n
"
,
__func__
,
rnicp
);
...
...
@@ -72,6 +112,7 @@ static void rnic_init(struct iwch_dev *rnicp)
idr_init
(
&
rnicp
->
qpidr
);
idr_init
(
&
rnicp
->
mmidr
);
spin_lock_init
(
&
rnicp
->
lock
);
INIT_DELAYED_WORK
(
&
rnicp
->
db_drop_task
,
iwch_db_drop_task
);
rnicp
->
attr
.
max_qps
=
T3_MAX_NUM_QP
-
32
;
rnicp
->
attr
.
max_wrs
=
T3_MAX_QP_DEPTH
;
...
...
@@ -147,6 +188,8 @@ static void close_rnic_dev(struct t3cdev *tdev)
mutex_lock
(
&
dev_mutex
);
list_for_each_entry_safe
(
dev
,
tmp
,
&
dev_list
,
entry
)
{
if
(
dev
->
rdev
.
t3cdev_p
==
tdev
)
{
dev
->
rdev
.
flags
=
CXIO_ERROR_FATAL
;
cancel_delayed_work_sync
(
&
dev
->
db_drop_task
);
list_del
(
&
dev
->
entry
);
iwch_unregister_device
(
dev
);
cxio_rdev_close
(
&
dev
->
rdev
);
...
...
@@ -166,6 +209,7 @@ static void iwch_event_handler(struct t3cdev *tdev, u32 evt, u32 port_id)
struct
iwch_dev
*
rnicp
;
struct
ib_event
event
;
u32
portnum
=
port_id
+
1
;
int
dispatch
=
0
;
if
(
!
rdev
)
return
;
...
...
@@ -174,21 +218,49 @@ static void iwch_event_handler(struct t3cdev *tdev, u32 evt, u32 port_id)
case
OFFLOAD_STATUS_DOWN
:
{
rdev
->
flags
=
CXIO_ERROR_FATAL
;
event
.
event
=
IB_EVENT_DEVICE_FATAL
;
dispatch
=
1
;
break
;
}
case
OFFLOAD_PORT_DOWN
:
{
event
.
event
=
IB_EVENT_PORT_ERR
;
dispatch
=
1
;
break
;
}
case
OFFLOAD_PORT_UP
:
{
event
.
event
=
IB_EVENT_PORT_ACTIVE
;
dispatch
=
1
;
break
;
}
case
OFFLOAD_DB_FULL
:
{
disable_dbs
(
rnicp
);
break
;
}
case
OFFLOAD_DB_EMPTY
:
{
enable_dbs
(
rnicp
,
1
);
break
;
}
case
OFFLOAD_DB_DROP
:
{
unsigned
long
delay
=
1000
;
unsigned
short
r
;
disable_dbs
(
rnicp
);
get_random_bytes
(
&
r
,
2
);
delay
+=
r
&
1023
;
/*
* delay is between 1000-2023 usecs.
*/
schedule_delayed_work
(
&
rnicp
->
db_drop_task
,
usecs_to_jiffies
(
delay
));
break
;
}
}
if
(
dispatch
)
{
event
.
device
=
&
rnicp
->
ibdev
;
event
.
element
.
port_num
=
portnum
;
ib_dispatch_event
(
&
event
);
}
return
;
}
...
...
drivers/infiniband/hw/cxgb3/iwch.h
View file @
216fe702
...
...
@@ -36,6 +36,7 @@
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/idr.h>
#include <linux/workqueue.h>
#include <rdma/ib_verbs.h>
...
...
@@ -110,6 +111,7 @@ struct iwch_dev {
struct
idr
mmidr
;
spinlock_t
lock
;
struct
list_head
entry
;
struct
delayed_work
db_drop_task
;
};
static
inline
struct
iwch_dev
*
to_iwch_dev
(
struct
ib_device
*
ibdev
)
...
...
drivers/infiniband/hw/cxgb3/iwch_provider.c
View file @
216fe702
...
...
@@ -187,7 +187,7 @@ static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int ve
entries
=
roundup_pow_of_two
(
entries
);
chp
->
cq
.
size_log2
=
ilog2
(
entries
);
if
(
cxio_create_cq
(
&
rhp
->
rdev
,
&
chp
->
cq
))
{
if
(
cxio_create_cq
(
&
rhp
->
rdev
,
&
chp
->
cq
,
!
ucontext
))
{
kfree
(
chp
);
return
ERR_PTR
(
-
ENOMEM
);
}
...
...
drivers/infiniband/hw/cxgb3/iwch_qp.c
View file @
216fe702
...
...
@@ -452,6 +452,7 @@ int iwch_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
++
(
qhp
->
wq
.
sq_wptr
);
}
spin_unlock_irqrestore
(
&
qhp
->
lock
,
flag
);
if
(
cxio_wq_db_enabled
(
&
qhp
->
wq
))
ring_doorbell
(
qhp
->
wq
.
doorbell
,
qhp
->
wq
.
qpid
);
out:
...
...
@@ -514,6 +515,7 @@ int iwch_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
num_wrs
--
;
}
spin_unlock_irqrestore
(
&
qhp
->
lock
,
flag
);
if
(
cxio_wq_db_enabled
(
&
qhp
->
wq
))
ring_doorbell
(
qhp
->
wq
.
doorbell
,
qhp
->
wq
.
qpid
);
out:
...
...
@@ -597,6 +599,7 @@ int iwch_bind_mw(struct ib_qp *qp,
++
(
qhp
->
wq
.
sq_wptr
);
spin_unlock_irqrestore
(
&
qhp
->
lock
,
flag
);
if
(
cxio_wq_db_enabled
(
&
qhp
->
wq
))
ring_doorbell
(
qhp
->
wq
.
doorbell
,
qhp
->
wq
.
qpid
);
return
err
;
...
...
drivers/net/cxgb3/adapter.h
View file @
216fe702
...
...
@@ -264,6 +264,10 @@ struct adapter {
struct
work_struct
fatal_error_handler_task
;
struct
work_struct
link_fault_handler_task
;
struct
work_struct
db_full_task
;
struct
work_struct
db_empty_task
;
struct
work_struct
db_drop_task
;
struct
dentry
*
debugfs_root
;
struct
mutex
mdio_lock
;
...
...
@@ -335,6 +339,7 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports,
int
t3_get_desc
(
const
struct
sge_qset
*
qs
,
unsigned
int
qnum
,
unsigned
int
idx
,
unsigned
char
*
data
);
irqreturn_t
t3_sge_intr_msix
(
int
irq
,
void
*
cookie
);
extern
struct
workqueue_struct
*
cxgb3_wq
;
int
t3_get_edc_fw
(
struct
cphy
*
phy
,
int
edc_idx
,
int
size
);
...
...
drivers/net/cxgb3/cxgb3_main.c
View file @
216fe702
...
...
@@ -45,6 +45,7 @@
#include <linux/firmware.h>
#include <linux/log2.h>
#include <linux/stringify.h>
#include <linux/sched.h>
#include <asm/uaccess.h>
#include "common.h"
...
...
@@ -140,7 +141,7 @@ MODULE_PARM_DESC(ofld_disable, "whether to enable offload at init time or not");
* will block keventd as it needs the rtnl lock, and we'll deadlock waiting
* for our work to complete. Get our own work queue to solve this.
*/
st
atic
st
ruct
workqueue_struct
*
cxgb3_wq
;
struct
workqueue_struct
*
cxgb3_wq
;
/**
* link_report - show link status and link speed/duplex
...
...
@@ -590,6 +591,19 @@ static void setup_rss(struct adapter *adap)
V_RRCPLCPUSIZE
(
6
)
|
F_HASHTOEPLITZ
,
cpus
,
rspq_map
);
}
static
void
ring_dbs
(
struct
adapter
*
adap
)
{
int
i
,
j
;
for
(
i
=
0
;
i
<
SGE_QSETS
;
i
++
)
{
struct
sge_qset
*
qs
=
&
adap
->
sge
.
qs
[
i
];
if
(
qs
->
adap
)
for
(
j
=
0
;
j
<
SGE_TXQ_PER_SET
;
j
++
)
t3_write_reg
(
adap
,
A_SG_KDOORBELL
,
F_SELEGRCNTX
|
V_EGRCNTX
(
qs
->
txq
[
j
].
cntxt_id
));
}
}
static
void
init_napi
(
struct
adapter
*
adap
)
{
int
i
;
...
...
@@ -2754,6 +2768,42 @@ static void t3_adap_check_task(struct work_struct *work)
spin_unlock_irq
(
&
adapter
->
work_lock
);
}
static
void
db_full_task
(
struct
work_struct
*
work
)
{
struct
adapter
*
adapter
=
container_of
(
work
,
struct
adapter
,
db_full_task
);
cxgb3_event_notify
(
&
adapter
->
tdev
,
OFFLOAD_DB_FULL
,
0
);
}
static
void
db_empty_task
(
struct
work_struct
*
work
)
{
struct
adapter
*
adapter
=
container_of
(
work
,
struct
adapter
,
db_empty_task
);
cxgb3_event_notify
(
&
adapter
->
tdev
,
OFFLOAD_DB_EMPTY
,
0
);
}
static
void
db_drop_task
(
struct
work_struct
*
work
)
{
struct
adapter
*
adapter
=
container_of
(
work
,
struct
adapter
,
db_drop_task
);
unsigned
long
delay
=
1000
;
unsigned
short
r
;
cxgb3_event_notify
(
&
adapter
->
tdev
,
OFFLOAD_DB_DROP
,
0
);
/*
* Sleep a while before ringing the driver qset dbs.
* The delay is between 1000-2023 usecs.
*/
get_random_bytes
(
&
r
,
2
);
delay
+=
r
&
1023
;
set_current_state
(
TASK_UNINTERRUPTIBLE
);
schedule_timeout
(
usecs_to_jiffies
(
delay
));
ring_dbs
(
adapter
);
}
/*
* Processes external (PHY) interrupts in process context.
*/
...
...
@@ -3222,6 +3272,11 @@ static int __devinit init_one(struct pci_dev *pdev,
INIT_LIST_HEAD
(
&
adapter
->
adapter_list
);
INIT_WORK
(
&
adapter
->
ext_intr_handler_task
,
ext_intr_task
);
INIT_WORK
(
&
adapter
->
fatal_error_handler_task
,
fatal_error_task
);
INIT_WORK
(
&
adapter
->
db_full_task
,
db_full_task
);
INIT_WORK
(
&
adapter
->
db_empty_task
,
db_empty_task
);
INIT_WORK
(
&
adapter
->
db_drop_task
,
db_drop_task
);
INIT_DELAYED_WORK
(
&
adapter
->
adap_check_task
,
t3_adap_check_task
);
for
(
i
=
0
;
i
<
ai
->
nports0
+
ai
->
nports1
;
++
i
)
{
...
...
drivers/net/cxgb3/cxgb3_offload.h
View file @
216fe702
...
...
@@ -73,7 +73,10 @@ enum {
OFFLOAD_STATUS_UP
,
OFFLOAD_STATUS_DOWN
,
OFFLOAD_PORT_DOWN
,
OFFLOAD_PORT_UP
OFFLOAD_PORT_UP
,
OFFLOAD_DB_FULL
,
OFFLOAD_DB_EMPTY
,
OFFLOAD_DB_DROP
};
struct
cxgb3_client
{
...
...
drivers/net/cxgb3/regs.h
View file @
216fe702
...
...
@@ -254,6 +254,22 @@
#define V_LOPIODRBDROPERR(x) ((x) << S_LOPIODRBDROPERR)
#define F_LOPIODRBDROPERR V_LOPIODRBDROPERR(1U)
#define S_HIPRIORITYDBFULL 7
#define V_HIPRIORITYDBFULL(x) ((x) << S_HIPRIORITYDBFULL)
#define F_HIPRIORITYDBFULL V_HIPRIORITYDBFULL(1U)
#define S_HIPRIORITYDBEMPTY 6
#define V_HIPRIORITYDBEMPTY(x) ((x) << S_HIPRIORITYDBEMPTY)
#define F_HIPRIORITYDBEMPTY V_HIPRIORITYDBEMPTY(1U)
#define S_LOPRIORITYDBFULL 5
#define V_LOPRIORITYDBFULL(x) ((x) << S_LOPRIORITYDBFULL)
#define F_LOPRIORITYDBFULL V_LOPRIORITYDBFULL(1U)
#define S_LOPRIORITYDBEMPTY 4
#define V_LOPRIORITYDBEMPTY(x) ((x) << S_LOPRIORITYDBEMPTY)
#define F_LOPRIORITYDBEMPTY V_LOPRIORITYDBEMPTY(1U)
#define S_RSPQDISABLED 3
#define V_RSPQDISABLED(x) ((x) << S_RSPQDISABLED)
#define F_RSPQDISABLED V_RSPQDISABLED(1U)
...
...
drivers/net/cxgb3/sge.c
View file @
216fe702
...
...
@@ -42,6 +42,7 @@
#include "sge_defs.h"
#include "t3_cpl.h"
#include "firmware_exports.h"
#include "cxgb3_offload.h"
#define USE_GTS 0
...
...
@@ -2833,8 +2834,13 @@ void t3_sge_err_intr_handler(struct adapter *adapter)
}
if
(
status
&
(
F_HIPIODRBDROPERR
|
F_LOPIODRBDROPERR
))
CH_ALERT
(
adapter
,
"SGE dropped %s priority doorbell
\n
"
,
status
&
F_HIPIODRBDROPERR
?
"high"
:
"lo"
);
queue_work
(
cxgb3_wq
,
&
adapter
->
db_drop_task
);
if
(
status
&
(
F_HIPRIORITYDBFULL
|
F_LOPRIORITYDBFULL
))
queue_work
(
cxgb3_wq
,
&
adapter
->
db_full_task
);
if
(
status
&
(
F_HIPRIORITYDBEMPTY
|
F_LOPRIORITYDBEMPTY
))
queue_work
(
cxgb3_wq
,
&
adapter
->
db_empty_task
);
t3_write_reg
(
adapter
,
A_SG_INT_CAUSE
,
status
);
if
(
status
&
SGE_FATALERR
)
...
...
drivers/net/cxgb3/t3_hw.c
View file @
216fe702
...
...
@@ -1432,7 +1432,10 @@ static int t3_handle_intr_status(struct adapter *adapter, unsigned int reg,
F_IRPARITYERROR | V_ITPARITYERROR(M_ITPARITYERROR) | \
V_FLPARITYERROR(M_FLPARITYERROR) | F_LODRBPARITYERROR | \
F_HIDRBPARITYERROR | F_LORCQPARITYERROR | \
F_HIRCQPARITYERROR)
F_HIRCQPARITYERROR | F_LOPRIORITYDBFULL | \
F_HIPRIORITYDBFULL | F_LOPRIORITYDBEMPTY | \
F_HIPRIORITYDBEMPTY | F_HIPIODRBDROPERR | \
F_LOPIODRBDROPERR)
#define MC5_INTR_MASK (F_PARITYERR | F_ACTRGNFULL | F_UNKNOWNCMD | \
F_REQQPARERR | F_DISPQPARERR | F_DELACTEMPTY | \
F_NFASRCHFAIL)
...
...
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