qedr: Add support for RoCE HW init

Allocate and setup RoCE resources, interrupts and completion queues.
Adds device attributes.

Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com>
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

1 files changed, 96 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/qedr/qedr_hsi_rdma.h b/drivers/infiniband/hw/qedr/qedr_hsi_rdma.h
new file mode 100644
index 000000000000..3e508fbd5e78
--- /dev/null
+++ b/drivers/infiniband/hw/qedr/qedr_hsi_rdma.h
@@ -0,0 +1,96 @@
+/* QLogic qedr NIC Driver
+ * Copyright (c) 2015-2016  QLogic Corporation
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and /or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __QED_HSI_RDMA__
+#define __QED_HSI_RDMA__
+
+#include <linux/qed/rdma_common.h>
+
+/* rdma completion notification queue element */
+struct rdma_cnqe {
+	struct regpair	cq_handle;
+};
+
+struct rdma_cqe_responder {
+	struct regpair srq_wr_id;
+	struct regpair qp_handle;
+	__le32 imm_data_or_inv_r_Key;
+	__le32 length;
+	__le32 imm_data_hi;
+	__le16 rq_cons;
+	u8 flags;
+};
+
+struct rdma_cqe_requester {
+	__le16 sq_cons;
+	__le16 reserved0;
+	__le32 reserved1;
+	struct regpair qp_handle;
+	struct regpair reserved2;
+	__le32 reserved3;
+	__le16 reserved4;
+	u8 flags;
+	u8 status;
+};
+
+struct rdma_cqe_common {
+	struct regpair reserved0;
+	struct regpair qp_handle;
+	__le16 reserved1[7];
+	u8 flags;
+	u8 status;
+};
+
+/* rdma completion queue element */
+union rdma_cqe {
+	struct rdma_cqe_responder resp;
+	struct rdma_cqe_requester req;
+	struct rdma_cqe_common cmn;
+};
+
+struct rdma_sq_sge {
+	__le32 length;
+	struct regpair	addr;
+	__le32 l_key;
+};
+
+struct rdma_rq_sge {
+	struct regpair addr;
+	__le32 length;
+	__le32 flags;
+};
+
+struct rdma_srq_sge {
+	struct regpair addr;
+	__le32 length;
+	__le32 l_key;
+};
+#endif /* __QED_HSI_RDMA__ */