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-rw-r--r--include/rdma/tid_rdma_defs.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/include/rdma/tid_rdma_defs.h b/include/rdma/tid_rdma_defs.h
new file mode 100644
index 000000000..08fe47c7a
--- /dev/null
+++ b/include/rdma/tid_rdma_defs.h
@@ -0,0 +1,108 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
+/*
+ * Copyright(c) 2018 Intel Corporation.
+ *
+ */
+
+#ifndef TID_RDMA_DEFS_H
+#define TID_RDMA_DEFS_H
+
+#include <rdma/ib_pack.h>
+
+struct tid_rdma_read_req {
+ __le32 kdeth0;
+ __le32 kdeth1;
+ struct ib_reth reth;
+ __be32 tid_flow_psn;
+ __be32 tid_flow_qp;
+ __be32 verbs_qp;
+};
+
+struct tid_rdma_read_resp {
+ __le32 kdeth0;
+ __le32 kdeth1;
+ __be32 aeth;
+ __be32 reserved[4];
+ __be32 verbs_psn;
+ __be32 verbs_qp;
+};
+
+struct tid_rdma_write_req {
+ __le32 kdeth0;
+ __le32 kdeth1;
+ struct ib_reth reth;
+ __be32 reserved[2];
+ __be32 verbs_qp;
+};
+
+struct tid_rdma_write_resp {
+ __le32 kdeth0;
+ __le32 kdeth1;
+ __be32 aeth;
+ __be32 reserved[3];
+ __be32 tid_flow_psn;
+ __be32 tid_flow_qp;
+ __be32 verbs_qp;
+};
+
+struct tid_rdma_write_data {
+ __le32 kdeth0;
+ __le32 kdeth1;
+ __be32 reserved[6];
+ __be32 verbs_qp;
+};
+
+struct tid_rdma_resync {
+ __le32 kdeth0;
+ __le32 kdeth1;
+ __be32 reserved[6];
+ __be32 verbs_qp;
+};
+
+struct tid_rdma_ack {
+ __le32 kdeth0;
+ __le32 kdeth1;
+ __be32 aeth;
+ __be32 reserved[2];
+ __be32 tid_flow_psn;
+ __be32 verbs_psn;
+ __be32 tid_flow_qp;
+ __be32 verbs_qp;
+};
+
+/*
+ * TID RDMA Opcodes
+ */
+#define IB_OPCODE_TID_RDMA 0xe0
+enum {
+ IB_OPCODE_WRITE_REQ = 0x0,
+ IB_OPCODE_WRITE_RESP = 0x1,
+ IB_OPCODE_WRITE_DATA = 0x2,
+ IB_OPCODE_WRITE_DATA_LAST = 0x3,
+ IB_OPCODE_READ_REQ = 0x4,
+ IB_OPCODE_READ_RESP = 0x5,
+ IB_OPCODE_RESYNC = 0x6,
+ IB_OPCODE_ACK = 0x7,
+
+ IB_OPCODE(TID_RDMA, WRITE_REQ),
+ IB_OPCODE(TID_RDMA, WRITE_RESP),
+ IB_OPCODE(TID_RDMA, WRITE_DATA),
+ IB_OPCODE(TID_RDMA, WRITE_DATA_LAST),
+ IB_OPCODE(TID_RDMA, READ_REQ),
+ IB_OPCODE(TID_RDMA, READ_RESP),
+ IB_OPCODE(TID_RDMA, RESYNC),
+ IB_OPCODE(TID_RDMA, ACK),
+};
+
+#define TID_OP(x) IB_OPCODE_TID_RDMA_##x
+
+/*
+ * Define TID RDMA specific WR opcodes. The ib_wr_opcode
+ * enum already provides some reserved values for use by
+ * low level drivers. Two of those are used but renamed
+ * to be more descriptive.
+ */
+#define IB_WR_TID_RDMA_WRITE IB_WR_RESERVED1
+#define IB_WR_TID_RDMA_READ IB_WR_RESERVED2
+
+#endif /* TID_RDMA_DEFS_H */