From mboxrd@z Thu Jan 1 00:00:00 1970 From: Saeed Mahameed Subject: [PATCH for-next 04/14] net/mlx5: Add KSM support Date: Tue, 25 Oct 2016 18:00:07 +0300 Message-ID: <1477407617-20745-5-git-send-email-saeedm@mellanox.com> References: <1477407617-20745-1-git-send-email-saeedm@mellanox.com> Cc: netdev@vger.kernel.org, linux-rdma@vger.kernel.org, Or Gerlitz , Leon Romanovsky , Tal Alon , Matan Barak , Artemy Kovalyov , Leon Romanovsky , Saeed Mahameed To: "David S. Miller" , Doug Ledford Return-path: Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:37421 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754865AbcJYPFn (ORCPT ); Tue, 25 Oct 2016 11:05:43 -0400 In-Reply-To: <1477407617-20745-1-git-send-email-saeedm@mellanox.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Artemy Kovalyov Add to struct mlx5_ifc_cmd_hca_cap_bits capability bits indicating related value/field is supported: * fixed_buffer_size - MLX5_MKC_ACCESS_MODE_KSM * umr_extended_translation_offset -translation_offset_42_16 in UMR ctrl segment * null_mkey - null_mkey in QUERY_SPECIAL_CONTEXTS Add MLX5_MKC_ACCESS_MODE_KSM enum value Add null_mkey field to struct mlx5_ifc_query_special_contexts_out_bits Signed-off-by: Artemy Kovalyov Reviewed-by: Ilya Lesokhin Signed-off-by: Leon Romanovsky Signed-off-by: Saeed Mahameed --- include/linux/mlx5/mlx5_ifc.h | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 89b99dc..e610517 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -761,11 +761,12 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 log_max_eq[0x4]; u8 max_indirection[0x8]; - u8 reserved_at_108[0x1]; + u8 fixed_buffer_size[0x1]; u8 log_max_mrw_sz[0x7]; u8 reserved_at_110[0x2]; u8 log_max_bsf_list_size[0x6]; - u8 reserved_at_118[0x2]; + u8 umr_extended_translation_offset[0x1]; + u8 null_mkey[0x1]; u8 log_max_klm_list_size[0x6]; u8 reserved_at_120[0xa]; @@ -2449,6 +2450,7 @@ enum { MLX5_MKC_ACCESS_MODE_PA = 0x0, MLX5_MKC_ACCESS_MODE_MTT = 0x1, MLX5_MKC_ACCESS_MODE_KLMS = 0x2, + MLX5_MKC_ACCESS_MODE_KSM = 0x3, }; struct mlx5_ifc_mkc_bits { @@ -3528,6 +3530,10 @@ struct mlx5_ifc_query_special_contexts_out_bits { u8 dump_fill_mkey[0x20]; u8 resd_lkey[0x20]; + + u8 null_mkey[0x20]; + + u8 reserved_at_a0[0x60]; }; struct mlx5_ifc_query_special_contexts_in_bits { -- 2.7.4