Hi Michael!
Please consider this patch of ehca for ofed-1.1 as it fixes a bug
(crash) that occured when ib_ehca is loaded after ib_ipoib.
This patch initializes struct ehca_shca with struct device*, then
creates internal resources and finally registers the ehca IB device.
And that is the proper sequence we have to implement.
I wanted to create this patch against the ofed git tree branch
ehca_branch, but saw that ehca_main.c has version SVNEHCA_0012,
which is much older than the version SVNEHCA_0015 in ofed-1.1-rc6.
Tried to do a pull and git said that it's already updated. Thus
I don't know what I did wrong. Anyway I created this patch against
the dir openib-1.1 extracted from ofed-1.1-rc6/SOURCES/openib-1.1.tgz.
Hope that it still works for you.
Thanks!
Nam Nguyen
Signed-off-by: Hoang-Nam Nguyen <[EMAIL PROTECTED]>
---
ehca_main.c | 35 +++++++++++++++++++----------------
1 file changed, 19 insertions(+), 16 deletions(-)
diff -Nurp openib-1.1_orig/drivers/infiniband/hw/ehca/ehca_main.c
openib-1.1_work/drivers/infiniband/hw/ehca/ehca_main.c
--- openib-1.1_orig/drivers/infiniband/hw/ehca/ehca_main.c 2006-09-20
06:28:56.000000000 -0700
+++ openib-1.1_work/drivers/infiniband/hw/ehca/ehca_main.c 2006-10-02
15:24:48.010001888 -0700
@@ -5,6 +5,7 @@
*
* Authors: Heiko J Schick <[EMAIL PROTECTED]>
* Hoang-Nam Nguyen <[EMAIL PROTECTED]>
+ * Joachim Fenkes <[EMAIL PROTECTED]>
*
* Copyright (c) 2005 IBM Corporation
*
@@ -238,7 +239,7 @@ init_node_guid1:
return ret;
}
-int ehca_register_device(struct ehca_shca *shca)
+int ehca_init_device(struct ehca_shca *shca)
{
int ret;
@@ -316,11 +317,6 @@ int ehca_register_device(struct ehca_shc
/* shca->ib_device.process_mad = ehca_process_mad; */
shca->ib_device.mmap = ehca_mmap;
- ret = ib_register_device(&shca->ib_device);
- if (ret)
- ehca_err(&shca->ib_device,
- "ib_register_device() failed ret=%x", ret);
-
return ret;
}
@@ -446,7 +442,7 @@ static ssize_t ehca_show_##name(struct
kfree(rblock); \
return 0; \
} \
- \
+ \
data = rblock->name; \
kfree(rblock); \
\
@@ -560,9 +556,9 @@ static int __devinit ehca_probe(struct i
goto probe1;
}
- ret = ehca_register_device(shca);
+ ret = ehca_init_device(shca);
if (ret) {
- ehca_gen_err("Cannot register Infiniband device");
+ ehca_gen_err("Cannot init ehca device struct");
goto probe1;
}
@@ -570,7 +566,7 @@ static int __devinit ehca_probe(struct i
ret = ehca_create_eq(shca, &shca->eq, EHCA_EQ, 2048);
if (ret) {
ehca_err(&shca->ib_device, "Cannot create EQ.");
- goto probe2;
+ goto probe1;
}
ret = ehca_create_eq(shca, &shca->neq, EHCA_NEQ, 513);
@@ -599,6 +595,13 @@ static int __devinit ehca_probe(struct i
goto probe5;
}
+ ret = ib_register_device(&shca->ib_device);
+ if (ret) {
+ ehca_err(&shca->ib_device,
+ "ib_register_device() failed ret=%x", ret);
+ goto probe6;
+ }
+
/* create AQP1 for port 1 */
if (ehca_open_aqp1 == 1) {
shca->sport[0].port_state = IB_PORT_DOWN;
@@ -606,7 +609,7 @@ static int __devinit ehca_probe(struct i
if (ret) {
ehca_err(&shca->ib_device,
"Cannot create AQP1 for port 1.");
- goto probe6;
+ goto probe7;
}
}
@@ -617,7 +620,7 @@ static int __devinit ehca_probe(struct i
if (ret) {
ehca_err(&shca->ib_device,
"Cannot create AQP1 for port 2.");
- goto probe7;
+ goto probe8;
}
}
@@ -629,12 +632,15 @@ static int __devinit ehca_probe(struct i
return 0;
-probe7:
+probe8:
ret = ehca_destroy_aqp1(&shca->sport[0]);
if (ret)
ehca_err(&shca->ib_device,
"Cannot destroy AQP1 for port 1. ret=%x", ret);
+probe7:
+ ib_unregister_device(&shca->ib_device);
+
probe6:
ret = ehca_dereg_internal_maxmr(shca);
if (ret)
@@ -659,9 +665,6 @@ probe3:
ehca_err(&shca->ib_device,
"Cannot destroy EQ. ret=%x", ret);
-probe2:
- ib_unregister_device(&shca->ib_device);
-
probe1:
ib_dealloc_device(&shca->ib_device);
diff -Nurp openib-1.1_orig/drivers/infiniband/hw/ehca/ehca_main.c
openib-1.1_work/drivers/infiniband/hw/ehca/ehca_main.c
--- openib-1.1_orig/drivers/infiniband/hw/ehca/ehca_main.c 2006-09-20
06:28:56.000000000 -0700
+++ openib-1.1_work/drivers/infiniband/hw/ehca/ehca_main.c 2006-10-02
15:24:48.010001888 -0700
@@ -5,6 +5,7 @@
*
* Authors: Heiko J Schick <[EMAIL PROTECTED]>
* Hoang-Nam Nguyen <[EMAIL PROTECTED]>
+ * Joachim Fenkes <[EMAIL PROTECTED]>
*
* Copyright (c) 2005 IBM Corporation
*
@@ -238,7 +239,7 @@ init_node_guid1:
return ret;
}
-int ehca_register_device(struct ehca_shca *shca)
+int ehca_init_device(struct ehca_shca *shca)
{
int ret;
@@ -316,11 +317,6 @@ int ehca_register_device(struct ehca_shc
/* shca->ib_device.process_mad = ehca_process_mad; */
shca->ib_device.mmap = ehca_mmap;
- ret = ib_register_device(&shca->ib_device);
- if (ret)
- ehca_err(&shca->ib_device,
- "ib_register_device() failed ret=%x", ret);
-
return ret;
}
@@ -446,7 +442,7 @@ static ssize_t ehca_show_##name(struct
kfree(rblock); \
return 0; \
} \
- \
+ \
data = rblock->name; \
kfree(rblock); \
\
@@ -560,9 +556,9 @@ static int __devinit ehca_probe(struct i
goto probe1;
}
- ret = ehca_register_device(shca);
+ ret = ehca_init_device(shca);
if (ret) {
- ehca_gen_err("Cannot register Infiniband device");
+ ehca_gen_err("Cannot init ehca device struct");
goto probe1;
}
@@ -570,7 +566,7 @@ static int __devinit ehca_probe(struct i
ret = ehca_create_eq(shca, &shca->eq, EHCA_EQ, 2048);
if (ret) {
ehca_err(&shca->ib_device, "Cannot create EQ.");
- goto probe2;
+ goto probe1;
}
ret = ehca_create_eq(shca, &shca->neq, EHCA_NEQ, 513);
@@ -599,6 +595,13 @@ static int __devinit ehca_probe(struct i
goto probe5;
}
+ ret = ib_register_device(&shca->ib_device);
+ if (ret) {
+ ehca_err(&shca->ib_device,
+ "ib_register_device() failed ret=%x", ret);
+ goto probe6;
+ }
+
/* create AQP1 for port 1 */
if (ehca_open_aqp1 == 1) {
shca->sport[0].port_state = IB_PORT_DOWN;
@@ -606,7 +609,7 @@ static int __devinit ehca_probe(struct i
if (ret) {
ehca_err(&shca->ib_device,
"Cannot create AQP1 for port 1.");
- goto probe6;
+ goto probe7;
}
}
@@ -617,7 +620,7 @@ static int __devinit ehca_probe(struct i
if (ret) {
ehca_err(&shca->ib_device,
"Cannot create AQP1 for port 2.");
- goto probe7;
+ goto probe8;
}
}
@@ -629,12 +632,15 @@ static int __devinit ehca_probe(struct i
return 0;
-probe7:
+probe8:
ret = ehca_destroy_aqp1(&shca->sport[0]);
if (ret)
ehca_err(&shca->ib_device,
"Cannot destroy AQP1 for port 1. ret=%x", ret);
+probe7:
+ ib_unregister_device(&shca->ib_device);
+
probe6:
ret = ehca_dereg_internal_maxmr(shca);
if (ret)
@@ -659,9 +665,6 @@ probe3:
ehca_err(&shca->ib_device,
"Cannot destroy EQ. ret=%x", ret);
-probe2:
- ib_unregister_device(&shca->ib_device);
-
probe1:
ib_dealloc_device(&shca->ib_device);
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