RDMA/bnxt_re: Add helper data structures

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.comSigned-off-by: Devesh Sharma <devesh.sharma@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

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;

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