From bfe0cc6eb2491aeae2bba02a305fcce13cd90624 Mon Sep 17 00:00:00 2001 From: Jianxin Xiong Date: Tue, 15 Dec 2020 13:27:15 -0800 Subject: RDMA/uverbs: Add uverbs command for dma-buf based MR registration Implement a new uverbs ioctl method for memory registration with file descriptor as an extra parameter. Link: https://lore.kernel.org/r/1608067636-98073-4-git-send-email-jianxin.xiong@intel.com Signed-off-by: Jianxin Xiong Reviewed-by: Sean Hefty Acked-by: Michael J. Ruhl Acked-by: Christian Koenig Acked-by: Daniel Vetter Reviewed-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe --- include/uapi/rdma/ib_user_ioctl_cmds.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'include/uapi/rdma/ib_user_ioctl_cmds.h') diff --git a/include/uapi/rdma/ib_user_ioctl_cmds.h b/include/uapi/rdma/ib_user_ioctl_cmds.h index 7968a1845355..dafc7ebe545b 100644 --- a/include/uapi/rdma/ib_user_ioctl_cmds.h +++ b/include/uapi/rdma/ib_user_ioctl_cmds.h @@ -1,5 +1,6 @@ /* * Copyright (c) 2018, Mellanox Technologies inc. All rights reserved. + * Copyright (c) 2020, Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU @@ -251,6 +252,7 @@ enum uverbs_methods_mr { UVERBS_METHOD_MR_DESTROY, UVERBS_METHOD_ADVISE_MR, UVERBS_METHOD_QUERY_MR, + UVERBS_METHOD_REG_DMABUF_MR, }; enum uverbs_attrs_mr_destroy_ids { @@ -272,6 +274,18 @@ enum uverbs_attrs_query_mr_cmd_attr_ids { UVERBS_ATTR_QUERY_MR_RESP_IOVA, }; +enum uverbs_attrs_reg_dmabuf_mr_cmd_attr_ids { + UVERBS_ATTR_REG_DMABUF_MR_HANDLE, + UVERBS_ATTR_REG_DMABUF_MR_PD_HANDLE, + UVERBS_ATTR_REG_DMABUF_MR_OFFSET, + UVERBS_ATTR_REG_DMABUF_MR_LENGTH, + UVERBS_ATTR_REG_DMABUF_MR_IOVA, + UVERBS_ATTR_REG_DMABUF_MR_FD, + UVERBS_ATTR_REG_DMABUF_MR_ACCESS_FLAGS, + UVERBS_ATTR_REG_DMABUF_MR_RESP_LKEY, + UVERBS_ATTR_REG_DMABUF_MR_RESP_RKEY, +}; + enum uverbs_attrs_create_counters_cmd_attr_ids { UVERBS_ATTR_CREATE_COUNTERS_HANDLE, }; -- cgit v1.2.3-59-g8ed1b