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RDMA/bnxt_re: Handle variable WQE support for user applications

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User library calculates the number of slots required for user applications
and it can pass that information to the driver.  Driver can use this value
and update the HW directly. This mechanism is currently used only for the
newly introduced variable size WQEs.

Extend the bnxt_re_qp_req structure to pass the Send Queue slot count.
Reorganize the code to get the sq_slots before initializing the Send Queue
attributes.

Link: https://patch.msgid.link/r/1724042847-1481-5-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Hongguang Gao <hongguang.gao@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Selvin Xavier
2024-08-27 10:15:57 -03:00
committed by Jason Gunthorpe
parent b930d0bac9
commit d8ea645d69
3 changed files with 83 additions and 47 deletions
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include/uapi/rdma/bnxt_re-abi.h
+6
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@@ -118,10 +118,16 @@ struct bnxt_re_resize_cq_req {
__aligned_u64 cq_va;
};
enum bnxt_re_qp_mask {
BNXT_RE_QP_REQ_MASK_VAR_WQE_SQ_SLOTS = 0x1,
};
struct bnxt_re_qp_req {
__aligned_u64 qpsva;
__aligned_u64 qprva;
__aligned_u64 qp_handle;
__aligned_u64 comp_mask;
__u32 sq_slots;
};
struct bnxt_re_qp_resp {