[PATCH][v5][6/24] Add InfiniBand MAD (management datagram) support (private headers)

[Roland Dreier]

Add MAD layer private implementation headers.

Signed-off-by: Roland Dreier <roland@xxxxxxxxxxx>


--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ linux-bk/drivers/infiniband/core/agent.h	2004-12-27 21:48:20.224989180 -0800
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2004 Mellanox Technologies Ltd.  All rights reserved.
+ * Copyright (c) 2004 Infinicon Corporation.  All rights reserved.
+ * Copyright (c) 2004 Intel Corporation.  All rights reserved.
+ * Copyright (c) 2004 Topspin Corporation.  All rights reserved.
+ * Copyright (c) 2004 Voltaire Corporation.  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.
+ *
+ * $Id: agent.h 1389 2004-12-27 22:56:47Z roland $
+ */
+
+#ifndef __AGENT_H_
+#define __AGENT_H_
+
+extern spinlock_t ib_agent_port_list_lock;
+
+extern int ib_agent_port_open(struct ib_device *device,
+			      int port_num);
+
+extern int ib_agent_port_close(struct ib_device *device, int port_num);
+
+extern int agent_send(struct ib_mad_private *mad,
+		      struct ib_grh *grh,
+		      struct ib_wc *wc,
+		      struct ib_device *device,
+		      int port_num);
+
+#endif	/* __AGENT_H_ */
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ linux-bk/drivers/infiniband/core/agent_priv.h	2004-12-27 21:48:20.250985354 -0800
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2004 Mellanox Technologies Ltd.  All rights reserved.
+ * Copyright (c) 2004 Infinicon Corporation.  All rights reserved.
+ * Copyright (c) 2004 Intel Corporation.  All rights reserved.
+ * Copyright (c) 2004 Topspin Corporation.  All rights reserved.
+ * Copyright (c) 2004 Voltaire Corporation.  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.
+ *
+ * $Id: agent_priv.h 1389 2004-12-27 22:56:47Z roland $
+ */
+
+#ifndef __IB_AGENT_PRIV_H__
+#define __IB_AGENT_PRIV_H__
+
+#include <linux/pci.h>
+
+#define SPFX "ib_agent: "
+
+struct ib_agent_send_wr {
+	struct list_head send_list;
+	struct ib_ah *ah;
+	struct ib_mad_private *mad;
+	DECLARE_PCI_UNMAP_ADDR(mapping)
+};
+
+struct ib_agent_port_private {
+	struct list_head port_list;
+	struct list_head send_posted_list;
+	spinlock_t send_list_lock;
+	int port_num;
+	struct ib_mad_agent *dr_smp_agent;    /* DR SM class */
+	struct ib_mad_agent *lr_smp_agent;    /* LR SM class */
+	struct ib_mad_agent *perf_mgmt_agent; /* PerfMgmt class */
+	struct ib_mr *mr;
+};
+
+#endif	/* __IB_AGENT_PRIV_H__ */
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ linux-bk/drivers/infiniband/core/mad_priv.h	2004-12-27 21:48:20.321974904 -0800
@@ -0,0 +1,194 @@
+/*
+ * Copyright (c) 2004, Voltaire, Inc. 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.
+ *
+ * $Id: mad_priv.h 1389 2004-12-27 22:56:47Z roland $
+ */
+
+#ifndef __IB_MAD_PRIV_H__
+#define __IB_MAD_PRIV_H__
+
+#include <linux/pci.h>
+#include <linux/kthread.h>
+#include <linux/workqueue.h>
+#include <ib_mad.h>
+#include <ib_smi.h>
+
+
+#define PFX "ib_mad: "
+
+#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_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	8
+#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_mad_queue *mad_queue;
+};
+
+struct ib_mad_private_header {
+	struct ib_mad_list_head mad_list;
+	struct ib_mad_recv_wc recv_wc;
+	DECLARE_PCI_UNMAP_ADDR(mapping)
+} __attribute__ ((packed));
+
+struct ib_mad_private {
+	struct ib_mad_private_header header;
+	struct ib_grh grh;
+	union {
+		struct ib_mad mad;
+		struct ib_rmpp_mad rmpp_mad;
+		struct ib_smp smp;
+	} mad;
+} __attribute__ ((packed));
+
+struct ib_mad_agent_private {
+	struct list_head agent_list;
+	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 work_struct timed_work;
+	unsigned long timeout;
+	struct list_head local_list;
+	struct work_struct local_work;
+
+	atomic_t refcount;
+	wait_queue_head_t wait;
+	u8 rmpp_version;
+};
+
+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;
+	wait_queue_head_t wait;
+};
+
+struct ib_mad_send_wr_private {
+	struct ib_mad_list_head mad_list;
+	struct list_head agent_list;
+	struct ib_mad_agent *agent;
+	struct ib_send_wr send_wr;
+	struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG];
+	u64 wr_id;			/* client WR ID */
+	u64 tid;
+	unsigned long timeout;
+	int retry;
+	int refcount;
+	enum ib_wc_status status;
+};
+
+struct ib_mad_local_private {
+	struct list_head completion_list;
+	struct ib_mad_private *mad_priv;
+	struct ib_send_wr send_wr;
+	struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG];
+	u64 wr_id;			/* client WR ID */
+	u64 tid;
+};
+
+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;
+	struct ib_mr *mr;
+
+	spinlock_t reg_lock;
+	struct ib_mad_mgmt_version_table version[MAX_MGMT_VERSION];
+	struct list_head agent_list;
+	struct workqueue_struct *wq;
+	struct work_struct work;
+	struct ib_mad_qp_info qp_info[IB_MAD_QPS_CORE];
+};
+
+#endif	/* __IB_MAD_PRIV_H__ */

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