| Message ID | 1455954465-15141-7-git-send-email-leon@leon.nu (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
On 2/20/2016 9:47 AM, Leon Romanovsky wrote: > From: Leon Romanovsky <leonro@mellanox.com> > > The offload arithmetic operations support allows to the user to > benefit from the parallel calculation of several input vectors of > equal length. > > The newly added flag indicates this ability. > > Signed-off-by: Leon Romanovsky <leonro@mellanox.com> > Reviewed-by: Matan Barak <matanb@mellanox.com> > --- > drivers/infiniband/core/uverbs_cmd.c | 3 +++ > include/rdma/ib_verbs.h | 8 +++++++- > include/uapi/rdma/ib_user_verbs.h | 5 +++++ > 3 files changed, 15 insertions(+), 1 deletion(-) Looks good. I can use it while pushing the erasure coding. Acked-by: Max Gurtovoy <maxg@mellanox.com> -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 6887252..3a3f573 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -3638,6 +3638,9 @@ 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); + resp.device_cap_flags2 = upper_32_bits(attr.device_cap_flags); + resp.response_length += sizeof(resp.device_cap_flags2); + end: err = ib_copy_to_udata(ucore, &resp, resp.response_length); return err; diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 2ff1fd1..51aabf8 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -208,10 +208,16 @@ enum ib_device_cap_flags { * of I/O operations with single completion queue managed * by hardware. */ - IB_DEVICE_CROSS_CHANNEL = (1 << 27), + IB_DEVICE_CROSS_CHANNEL = (1 << 27), IB_DEVICE_MANAGED_FLOW_STEERING = (1 << 29), IB_DEVICE_SIGNATURE_HANDOVER = (1 << 30), IB_DEVICE_ON_DEMAND_PAGING = (1 << 31), + /* + * The offload arithmetic operations support allows to + * the user to benefit from the parallel calculation of + * several input vectors of equal length. + */ + IB_DEVICE_VECTOR_CALC = (1ULL << 32), }; enum ib_signature_prot_cap { diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h index 8126c14..e024c82 100644 --- a/include/uapi/rdma/ib_user_verbs.h +++ b/include/uapi/rdma/ib_user_verbs.h @@ -226,6 +226,11 @@ struct ib_uverbs_ex_query_device_resp { struct ib_uverbs_odp_caps odp_caps; __u64 timestamp_mask; __u64 hca_core_clock; /* in KHZ */ + /* + * Original capability field is limited + * by __u32 variable. Need to increase this field + */ + __u64 device_cap_flags2; }; struct ib_uverbs_query_port {