Adding upstream version 4.19.249.upstream/4.19.249upstream

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

1 files changed, 226 insertions, 0 deletions

diff --git a/drivers/infiniband/core/mad_priv.h b/drivers/infiniband/core/mad_priv.h
new file mode 100644
index 000000000..d84ae1671
--- /dev/null
+++ b/drivers/infiniband/core/mad_priv.h
@@ -0,0 +1,226 @@
+/*
+ * Copyright (c) 2004, 2005, Voltaire, Inc. All rights reserved.
+ * Copyright (c) 2005 Intel Corporation. All rights reserved.
+ * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
+ * Copyright (c) 2009 HNR Consulting. All rights reserved.
+ *
+ * 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 __IB_MAD_PRIV_H__
+#define __IB_MAD_PRIV_H__
+
+#include <linux/completion.h>
+#include <linux/err.h>
+#include <linux/workqueue.h>
+#include <rdma/ib_mad.h>
+#include <rdma/ib_smi.h>
+#include <rdma/opa_smi.h>
+
+#define IB_MAD_QPS_CORE		2 /* Always QP0 and QP1 as a minimum */
+
+/* QP and CQ parameters */
+#define IB_MAD_QP_SEND_SIZE	128
+#define IB_MAD_QP_RECV_SIZE	512
+#define IB_MAD_QP_MIN_SIZE	64
+#define IB_MAD_QP_MAX_SIZE	8192
+#define IB_MAD_SEND_REQ_MAX_SG	2
+#define IB_MAD_RECV_REQ_MAX_SG	1
+
+#define IB_MAD_SEND_Q_PSN	0
+
+/* Registration table sizes */
+#define MAX_MGMT_CLASS		80
+#define MAX_MGMT_VERSION	0x83
+#define MAX_MGMT_OUI		8
+#define MAX_MGMT_VENDOR_RANGE2	(IB_MGMT_CLASS_VENDOR_RANGE2_END - \
+				IB_MGMT_CLASS_VENDOR_RANGE2_START + 1)
+
+struct ib_mad_list_head {
+	struct list_head list;
+	struct ib_cqe cqe;
+	struct ib_mad_queue *mad_queue;
+};
+
+struct ib_mad_private_header {
+	struct ib_mad_list_head mad_list;
+	struct ib_mad_recv_wc recv_wc;
+	struct ib_wc wc;
+	u64 mapping;
+} __attribute__ ((packed));
+
+struct ib_mad_private {
+	struct ib_mad_private_header header;
+	size_t mad_size;
+	struct ib_grh grh;
+	u8 mad[0];
+} __attribute__ ((packed));
+
+struct ib_rmpp_segment {
+	struct list_head list;
+	u32 num;
+	u8 data[0];
+};
+
+struct ib_mad_agent_private {
+	struct ib_mad_agent agent;
+	struct ib_mad_reg_req *reg_req;
+	struct ib_mad_qp_info *qp_info;
+
+	spinlock_t lock;
+	struct list_head send_list;
+	struct list_head wait_list;
+	struct list_head done_list;
+	struct delayed_work timed_work;
+	unsigned long timeout;
+	struct list_head local_list;
+	struct work_struct local_work;
+	struct list_head rmpp_list;
+
+	atomic_t refcount;
+	union {
+		struct completion comp;
+		struct rcu_head rcu;
+	};
+};
+
+struct ib_mad_snoop_private {
+	struct ib_mad_agent agent;
+	struct ib_mad_qp_info *qp_info;
+	int snoop_index;
+	int mad_snoop_flags;
+	atomic_t refcount;
+	struct completion comp;
+};
+
+struct ib_mad_send_wr_private {
+	struct ib_mad_list_head mad_list;
+	struct list_head agent_list;
+	struct ib_mad_agent_private *mad_agent_priv;
+	struct ib_mad_send_buf send_buf;
+	u64 header_mapping;
+	u64 payload_mapping;
+	struct ib_ud_wr send_wr;
+	struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG];
+	__be64 tid;
+	unsigned long timeout;
+	int max_retries;
+	int retries_left;
+	int retry;
+	int refcount;
+	enum ib_wc_status status;
+
+	/* RMPP control */
+	struct list_head rmpp_list;
+	struct ib_rmpp_segment *last_ack_seg;
+	struct ib_rmpp_segment *cur_seg;
+	int last_ack;
+	int seg_num;
+	int newwin;
+	int pad;
+};
+
+struct ib_mad_local_private {
+	struct list_head completion_list;
+	struct ib_mad_private *mad_priv;
+	struct ib_mad_agent_private *recv_mad_agent;
+	struct ib_mad_send_wr_private *mad_send_wr;
+	size_t return_wc_byte_len;
+};
+
+struct ib_mad_mgmt_method_table {
+	struct ib_mad_agent_private *agent[IB_MGMT_MAX_METHODS];
+};
+
+struct ib_mad_mgmt_class_table {
+	struct ib_mad_mgmt_method_table *method_table[MAX_MGMT_CLASS];
+};
+
+struct ib_mad_mgmt_vendor_class {
+	u8	oui[MAX_MGMT_OUI][3];
+	struct ib_mad_mgmt_method_table *method_table[MAX_MGMT_OUI];
+};
+
+struct ib_mad_mgmt_vendor_class_table {
+	struct ib_mad_mgmt_vendor_class *vendor_class[MAX_MGMT_VENDOR_RANGE2];
+};
+
+struct ib_mad_mgmt_version_table {
+	struct ib_mad_mgmt_class_table *class;
+	struct ib_mad_mgmt_vendor_class_table *vendor;
+};
+
+struct ib_mad_queue {
+	spinlock_t lock;
+	struct list_head list;
+	int count;
+	int max_active;
+	struct ib_mad_qp_info *qp_info;
+};
+
+struct ib_mad_qp_info {
+	struct ib_mad_port_private *port_priv;
+	struct ib_qp *qp;
+	struct ib_mad_queue send_queue;
+	struct ib_mad_queue recv_queue;
+	struct list_head overflow_list;
+	spinlock_t snoop_lock;
+	struct ib_mad_snoop_private **snoop_table;
+	int snoop_table_size;
+	atomic_t snoop_count;
+};
+
+struct ib_mad_port_private {
+	struct list_head port_list;
+	struct ib_device *device;
+	int port_num;
+	struct ib_cq *cq;
+	struct ib_pd *pd;
+
+	spinlock_t reg_lock;
+	struct ib_mad_mgmt_version_table version[MAX_MGMT_VERSION];
+	struct workqueue_struct *wq;
+	struct ib_mad_qp_info qp_info[IB_MAD_QPS_CORE];
+};
+
+int ib_send_mad(struct ib_mad_send_wr_private *mad_send_wr);
+
+struct ib_mad_send_wr_private *
+ib_find_send_mad(const struct ib_mad_agent_private *mad_agent_priv,
+		 const struct ib_mad_recv_wc *mad_recv_wc);
+
+void ib_mad_complete_send_wr(struct ib_mad_send_wr_private *mad_send_wr,
+			     struct ib_mad_send_wc *mad_send_wc);
+
+void ib_mark_mad_done(struct ib_mad_send_wr_private *mad_send_wr);
+
+void ib_reset_mad_timeout(struct ib_mad_send_wr_private *mad_send_wr,
+			  int timeout_ms);
+
+#endif	/* __IB_MAD_PRIV_H__ */