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authorDennis Dalessandro <dennis.dalessandro@intel.com>2016-05-19 05:26:37 -0700
committerDoug Ledford <dledford@redhat.com>2016-05-26 11:35:13 -0400
commit8a1882ebd4b593df0e36ba0b72e4e2f632573274 (patch)
tree093a654e59c450c746d6f8ee03b585a903d2e026
parentIB/hfi1: Remove write(), use ioctl() for user cmds (diff)
downloadlinux-dev-8a1882ebd4b593df0e36ba0b72e4e2f632573274.tar.xz
linux-dev-8a1882ebd4b593df0e36ba0b72e4e2f632573274.zip
IB/hfi1: Add trace message in user IOCTL handling
Add a trace message to HFI1s user IOCTL handling. This allows debugging of which IOCTLs are being handled by the driver. Reviewed-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
-rw-r--r--drivers/staging/rdma/hfi1/file_ops.c1
-rw-r--r--drivers/staging/rdma/hfi1/trace.c1
-rw-r--r--drivers/staging/rdma/hfi1/trace.h1
3 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/rdma/hfi1/file_ops.c b/drivers/staging/rdma/hfi1/file_ops.c
index c46eadadf3bf..113917021af8 100644
--- a/drivers/staging/rdma/hfi1/file_ops.c
+++ b/drivers/staging/rdma/hfi1/file_ops.c
@@ -188,6 +188,7 @@ static long hfi1_file_ioctl(struct file *fp, unsigned int cmd,
unsigned long ul_uval = 0;
u16 uval16 = 0;
+ hfi1_cdbg(IOCTL, "IOCTL recv: 0x%x", cmd);
if (cmd != HFI1_IOCTL_ASSIGN_CTXT &&
cmd != HFI1_IOCTL_GET_VERS &&
!uctxt)
diff --git a/drivers/staging/rdma/hfi1/trace.c b/drivers/staging/rdma/hfi1/trace.c
index 8b62fefcf903..caddb2ac3cfc 100644
--- a/drivers/staging/rdma/hfi1/trace.c
+++ b/drivers/staging/rdma/hfi1/trace.c
@@ -233,3 +233,4 @@ __hfi1_trace_fn(FIRMWARE);
__hfi1_trace_fn(RCVCTRL);
__hfi1_trace_fn(TID);
__hfi1_trace_fn(MMU);
+__hfi1_trace_fn(IOCTL);
diff --git a/drivers/staging/rdma/hfi1/trace.h b/drivers/staging/rdma/hfi1/trace.h
index 42bcfc3e15d5..a6c1adf20dca 100644
--- a/drivers/staging/rdma/hfi1/trace.h
+++ b/drivers/staging/rdma/hfi1/trace.h
@@ -1341,6 +1341,7 @@ __hfi1_trace_def(FIRMWARE);
__hfi1_trace_def(RCVCTRL);
__hfi1_trace_def(TID);
__hfi1_trace_def(MMU);
+__hfi1_trace_def(IOCTL);
#define hfi1_cdbg(which, fmt, ...) \
__hfi1_trace_##which(__func__, fmt, ##__VA_ARGS__)