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| author | Majd Dibbiny <majd@mellanox.com> | 2016-04-17 17:19:34 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-05-13 19:40:27 -0400 |
| commit | 0b24e5ac93c2d0792ba8604e9f64e0b564d5f23e (patch) | |
| tree | 0e793fd248056bf1b2038ad63da2b775f03f1136 | |
| parent | 73fbb4db6cf3682f12b68a64040897fe226fd409 (diff) | |
| download | linux-0b24e5ac93c2d0792ba8604e9f64e0b564d5f23e.tar.bz2 | |
IB/core: Add extended device capability flags
Since all the uverbs device_cap_flags are occupied, we need a place to
expose more device capabilities.
This patch adds a new 64 bit device_cap_flags_ex to expose new
device capabilities.
The lower 32 bits will be identical to the original device_cap_flags,
The upper 32 bits will be new capabilities.
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
| -rw-r--r-- | drivers/infiniband/core/uverbs_cmd.c | 5 | ||||
| -rw-r--r-- | include/uapi/rdma/ib_user_verbs.h | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 6fdc7ecdaca0..9acb84983bd9 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -3655,6 +3655,11 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file, resp.hca_core_clock = attr.hca_core_clock; resp.response_length += sizeof(resp.hca_core_clock); + if (ucore->outlen < resp.response_length + sizeof(resp.device_cap_flags_ex)) + goto end; + + resp.device_cap_flags_ex = attr.device_cap_flags; + resp.response_length += sizeof(resp.device_cap_flags_ex); end: err = ib_copy_to_udata(ucore, &resp, resp.response_length); return err; diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h index 8126c143a519..b6543d73d20a 100644 --- a/include/uapi/rdma/ib_user_verbs.h +++ b/include/uapi/rdma/ib_user_verbs.h @@ -226,6 +226,7 @@ struct ib_uverbs_ex_query_device_resp { struct ib_uverbs_odp_caps odp_caps; __u64 timestamp_mask; __u64 hca_core_clock; /* in KHZ */ + __u64 device_cap_flags_ex; }; struct ib_uverbs_query_port { |