From: Devesh Sharma <devesh.sharma@broadcom.com>
Date: Wed, 15 Jul 2020 10:16:57 -0400
Subject: RDMA/bnxt_re: Add helper data structures
Patch-mainline: v5.9-rc1
Git-commit: 54ace98443ab9b8611b288359e20168e3e1571c1
References: jsc#SLE-15076
Adding few helper data structure which are useful to initialize hardware
send wqe in variable wqe mode.
Adding a qp flag in HSI to indicate variable wqe is enabled for this qp.
Link: https://lore.kernel.org/r/1594822619-4098-5-git-send-email-devesh.sharma@broadcom.com
Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/hw/bnxt_re/qplib_fp.h | 45 +++++++++++++++++++++++++++++++
drivers/infiniband/hw/bnxt_re/roce_hsi.h | 1
2 files changed, 46 insertions(+)
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h
@@ -39,6 +39,51 @@
#ifndef __BNXT_QPLIB_FP_H__
#define __BNXT_QPLIB_FP_H__
+/* Few helper structures temporarily defined here
+ * should get rid of these when roce_hsi.h is updated
+ * in original code base
+ */
+struct sq_ud_ext_hdr {
+ __le32 dst_qp;
+ __le32 avid;
+ __le64 rsvd;
+};
+
+struct sq_raw_ext_hdr {
+ __le32 cfa_meta;
+ __le32 rsvd0;
+ __le64 rsvd1;
+};
+
+struct sq_rdma_ext_hdr {
+ __le64 remote_va;
+ __le32 remote_key;
+ __le32 rsvd;
+};
+
+struct sq_atomic_ext_hdr {
+ __le64 swap_data;
+ __le64 cmp_data;
+};
+
+struct sq_fr_pmr_ext_hdr {
+ __le64 pblptr;
+ __le64 va;
+};
+
+struct sq_bind_ext_hdr {
+ __le64 va;
+ __le32 length_lo;
+ __le32 length_hi;
+};
+
+struct rq_ext_hdr {
+ __le64 rsvd1;
+ __le64 rsvd2;
+};
+
+/* Helper structures end */
+
struct bnxt_qplib_srq {
struct bnxt_qplib_pd *pd;
struct bnxt_qplib_dpi *dpi;
--- a/drivers/infiniband/hw/bnxt_re/roce_hsi.h
+++ b/drivers/infiniband/hw/bnxt_re/roce_hsi.h
@@ -1126,6 +1126,7 @@ struct cmdq_create_qp {
#define CMDQ_CREATE_QP_QP_FLAGS_FORCE_COMPLETION 0x2UL
#define CMDQ_CREATE_QP_QP_FLAGS_RESERVED_LKEY_ENABLE 0x4UL
#define CMDQ_CREATE_QP_QP_FLAGS_FR_PMR_ENABLED 0x8UL
+ #define CMDQ_CREATE_QP_QP_FLAGS_VARIABLE_SIZED_WQE_ENABLED 0x10UL
u8 type;
#define CMDQ_CREATE_QP_TYPE_RC 0x2UL
#define CMDQ_CREATE_QP_TYPE_UD 0x4UL