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-rw-r--r--drivers/infiniband/core/device.c2
-rw-r--r--drivers/infiniband/core/uverbs_cmd.c14
-rw-r--r--include/rdma/ib_verbs.h2
-rw-r--r--include/uapi/rdma/ib_user_verbs.h2
4 files changed, 20 insertions, 0 deletions
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 8d07c12ab718..568cb41be904 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -539,6 +539,8 @@ EXPORT_SYMBOL(ib_dispatch_event);
int ib_query_device(struct ib_device *device,
struct ib_device_attr *device_attr)
{
+ memset(device_attr, 0, sizeof(*device_attr));
+
return device->query_device(device, device_attr);
}
EXPORT_SYMBOL(ib_query_device);
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 51311b1c0b00..11ee298bb26b 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -3426,6 +3426,8 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file,
if (ucore->outlen < resp.response_length)
return -ENOSPC;
+ memset(&attr, 0, sizeof(attr));
+
err = device->query_device(device, &attr);
if (err)
return err;
@@ -3450,6 +3452,18 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file,
#endif
resp.response_length += sizeof(resp.odp_caps);
+ if (ucore->outlen < resp.response_length + sizeof(resp.timestamp_mask))
+ goto end;
+
+ resp.timestamp_mask = attr.timestamp_mask;
+ resp.response_length += sizeof(resp.timestamp_mask);
+
+ if (ucore->outlen < resp.response_length + sizeof(resp.hca_core_clock))
+ goto end;
+
+ resp.hca_core_clock = attr.hca_core_clock;
+ resp.response_length += sizeof(resp.hca_core_clock);
+
end:
err = ib_copy_to_udata(ucore, &resp, resp.response_length);
if (err)
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 2b4bf0632c64..c0929245ddee 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -227,6 +227,8 @@ struct ib_device_attr {
int sig_prot_cap;
int sig_guard_cap;
struct ib_odp_caps odp_caps;
+ uint64_t timestamp_mask;
+ uint64_t hca_core_clock; /* in KHZ */
};
enum ib_mtu {
diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h
index 19f0256e511e..978841eeaff1 100644
--- a/include/uapi/rdma/ib_user_verbs.h
+++ b/include/uapi/rdma/ib_user_verbs.h
@@ -223,6 +223,8 @@ struct ib_uverbs_ex_query_device_resp {
__u32 comp_mask;
__u32 response_length;
struct ib_uverbs_odp_caps odp_caps;
+ __u64 timestamp_mask;
+ __u64 hca_core_clock; /* in KHZ */
};
struct ib_uverbs_query_port {