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IB/core: Extend ib_uverbs_create_qp

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ib_uverbs_ex_create_qp follows the extension verbs
mechanism. New features (for example, QP creation flags
field which is added in a downstream patch) could used
via user-space libraries without breaking the ABI.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Eran Ben Elisha 2015-10-21 17:00:42 +03:00 • committed by Doug Ledford
commit 6d8a74972b
4 changed files with 217 additions and 65 deletions
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26
include/uapi/rdma/ib_user_verbs.h
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@ -92,6 +92,7 @@ enum {
enum {
IB_USER_VERBS_EX_CMD_QUERY_DEVICE = IB_USER_VERBS_CMD_QUERY_DEVICE,
IB_USER_VERBS_EX_CMD_CREATE_CQ = IB_USER_VERBS_CMD_CREATE_CQ,
IB_USER_VERBS_EX_CMD_CREATE_QP = IB_USER_VERBS_CMD_CREATE_QP,
IB_USER_VERBS_EX_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD,
IB_USER_VERBS_EX_CMD_DESTROY_FLOW,
};
@ -516,6 +517,25 @@ struct ib_uverbs_create_qp {
__u64 driver_data[0];
};
struct ib_uverbs_ex_create_qp {
__u64 user_handle;
__u32 pd_handle;
__u32 send_cq_handle;
__u32 recv_cq_handle;
__u32 srq_handle;
__u32 max_send_wr;
__u32 max_recv_wr;
__u32 max_send_sge;
__u32 max_recv_sge;
__u32 max_inline_data;
__u8 sq_sig_all;
__u8 qp_type;
__u8 is_srq;
__u8 reserved;
__u32 comp_mask;
__u32 create_flags;
};
struct ib_uverbs_open_qp {
__u64 response;
__u64 user_handle;
@ -538,6 +558,12 @@ struct ib_uverbs_create_qp_resp {
__u32 reserved;
};
struct ib_uverbs_ex_create_qp_resp {
struct ib_uverbs_create_qp_resp base;
__u32 comp_mask;
__u32 response_length;
};
/*
* This struct needs to remain a multiple of 8 bytes to keep the
* alignment of the modify QP parameters.