Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 174 insertions, 0 deletions

diff --git a/include/uapi/rdma/qedr-abi.h b/include/uapi/rdma/qedr-abi.h
new file mode 100644
index 0000000000..bf7333b2b5
--- /dev/null
+++ b/include/uapi/rdma/qedr-abi.h
@@ -0,0 +1,174 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
+/* 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 __QEDR_USER_H__
+#define __QEDR_USER_H__
+
+#include <linux/types.h>
+
+#define QEDR_ABI_VERSION		(8)
+
+/* user kernel communication data structures. */
+enum qedr_alloc_ucontext_flags {
+	QEDR_ALLOC_UCTX_EDPM_MODE	= 1 << 0,
+	QEDR_ALLOC_UCTX_DB_REC		= 1 << 1,
+	QEDR_SUPPORT_DPM_SIZES		= 1 << 2,
+};
+
+struct qedr_alloc_ucontext_req {
+	__u32 context_flags;
+	__u32 reserved;
+};
+
+#define QEDR_LDPM_MAX_SIZE	(8192)
+#define QEDR_EDPM_TRANS_SIZE	(64)
+#define QEDR_EDPM_MAX_SIZE	(ROCE_REQ_MAX_INLINE_DATA_SIZE)
+
+enum qedr_rdma_dpm_type {
+	QEDR_DPM_TYPE_NONE		= 0,
+	QEDR_DPM_TYPE_ROCE_ENHANCED	= 1 << 0,
+	QEDR_DPM_TYPE_ROCE_LEGACY	= 1 << 1,
+	QEDR_DPM_TYPE_IWARP_LEGACY	= 1 << 2,
+	QEDR_DPM_TYPE_ROCE_EDPM_MODE	= 1 << 3,
+	QEDR_DPM_SIZES_SET		= 1 << 4,
+};
+
+struct qedr_alloc_ucontext_resp {
+	__aligned_u64 db_pa;
+	__u32 db_size;
+
+	__u32 max_send_wr;
+	__u32 max_recv_wr;
+	__u32 max_srq_wr;
+	__u32 sges_per_send_wr;
+	__u32 sges_per_recv_wr;
+	__u32 sges_per_srq_wr;
+	__u32 max_cqes;
+	__u8 dpm_flags;
+	__u8 wids_enabled;
+	__u16 wid_count;
+	__u16 ldpm_limit_size;
+	__u8 edpm_trans_size;
+	__u8 reserved;
+	__u16 edpm_limit_size;
+	__u8 padding[6];
+};
+
+struct qedr_alloc_pd_ureq {
+	__aligned_u64 rsvd1;
+};
+
+struct qedr_alloc_pd_uresp {
+	__u32 pd_id;
+	__u32 reserved;
+};
+
+struct qedr_create_cq_ureq {
+	__aligned_u64 addr;
+	__aligned_u64 len;
+};
+
+struct qedr_create_cq_uresp {
+	__u32 db_offset;
+	__u16 icid;
+	__u16 reserved;
+	__aligned_u64 db_rec_addr;
+};
+
+struct qedr_create_qp_ureq {
+	__u32 qp_handle_hi;
+	__u32 qp_handle_lo;
+
+	/* SQ */
+	/* user space virtual address of SQ buffer */
+	__aligned_u64 sq_addr;
+
+	/* length of SQ buffer */
+	__aligned_u64 sq_len;
+
+	/* RQ */
+	/* user space virtual address of RQ buffer */
+	__aligned_u64 rq_addr;
+
+	/* length of RQ buffer */
+	__aligned_u64 rq_len;
+};
+
+struct qedr_create_qp_uresp {
+	__u32 qp_id;
+	__u32 atomic_supported;
+
+	/* SQ */
+	__u32 sq_db_offset;
+	__u16 sq_icid;
+
+	/* RQ */
+	__u32 rq_db_offset;
+	__u16 rq_icid;
+
+	__u32 rq_db2_offset;
+	__u32 reserved;
+
+	/* address of SQ doorbell recovery user entry */
+	__aligned_u64 sq_db_rec_addr;
+
+	/* address of RQ doorbell recovery user entry */
+	__aligned_u64 rq_db_rec_addr;
+
+};
+
+struct qedr_create_srq_ureq {
+	/* user space virtual address of producer pair */
+	__aligned_u64 prod_pair_addr;
+
+	/* user space virtual address of SRQ buffer */
+	__aligned_u64 srq_addr;
+
+	/* length of SRQ buffer */
+	__aligned_u64 srq_len;
+};
+
+struct qedr_create_srq_uresp {
+	__u16 srq_id;
+	__u16 reserved0;
+	__u32 reserved1;
+};
+
+/* doorbell recovery entry allocated and populated by userspace doorbelling
+ * entities and mapped to kernel. Kernel uses this to register doorbell
+ * information with doorbell drop recovery mechanism.
+ */
+struct qedr_user_db_rec {
+	__aligned_u64 db_data; /* doorbell data */
+};
+
+#endif /* __QEDR_USER_H__ */