From mboxrd@z Thu Jan 1 00:00:00 1970 From: Max Gurtovoy Subject: [PATCH v2 1/2] net/mlx5: Define interface bits for fencing UMR wqe Date: Sun, 28 May 2017 10:53:10 +0300 Message-ID: <1495957991-19223-1-git-send-email-maxg@mellanox.com> Return-path: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, hch-jcswGhMUV9g@public.gmane.org Cc: shahar.salzman-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, joseph.r.gruher-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, mrybczyn-FNhOzJFKnXGHXe+LvDLADg@public.gmane.org, leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, vladimirk-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org, oren-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org, Max Gurtovoy List-Id: linux-rdma@vger.kernel.org HW can implement UMR wqe re-transmission in various ways. Thus, add HCA cap to distinguish the needed fence for UMR to make sure that the wqe wouldn't fail on mkey checks. Signed-off-by: Max Gurtovoy Acked-by: Leon Romanovsky --- No changes from v1 in this patch (PATCH 1/2). --- include/linux/mlx5/mlx5_ifc.h | 10 +++++++++- 1 files changed, 9 insertions(+), 1 deletions(-) diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 32de072..edafedb 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -766,6 +766,12 @@ enum { MLX5_CAP_PORT_TYPE_ETH = 0x1, }; +enum { + MLX5_CAP_UMR_FENCE_STRONG = 0x0, + MLX5_CAP_UMR_FENCE_SMALL = 0x1, + MLX5_CAP_UMR_FENCE_NONE = 0x2, +}; + struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_at_0[0x80]; @@ -875,7 +881,9 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_at_202[0x1]; u8 ipoib_enhanced_offloads[0x1]; u8 ipoib_basic_offloads[0x1]; - u8 reserved_at_205[0xa]; + u8 reserved_at_205[0x5]; + u8 umr_fence[0x2]; + u8 reserved_at_20c[0x3]; u8 drain_sigerr[0x1]; u8 cmdif_checksum[0x2]; u8 sigerr_cqe[0x1]; -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html