nes: OpenFabrics kernel verbs includes

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+/*
+ * Copyright (c) 2006 - 2007 NetEffect, Inc. All rights reserved.
+ * Copyright (c) 2005 Open Grid Computing, 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.
+ *
+ */
+
+#ifndef NES_VERBS_H
+#define NES_VERBS_H
+
+struct nes_device;
+
+#define NES_MAX_USER_DB_REGIONS  4096
+#define NES_MAX_USER_WQ_REGIONS  4096
+
+struct nes_ucontext {
+	struct ib_ucontext ibucontext;
+	struct nes_device *nesdev;
+	unsigned long mmap_wq_offset;
+	unsigned long mmap_cq_offset; /* to be removed */
+	int index;		/* rnic index (minor) */
+	unsigned long allocated_doorbells[BITS_TO_LONGS(NES_MAX_USER_DB_REGIONS)];	
+	u16 mmap_db_index[NES_MAX_USER_DB_REGIONS];	 
+	u16 first_free_db;
+	unsigned long allocated_wqs[BITS_TO_LONGS(NES_MAX_USER_WQ_REGIONS)];  
+	struct nes_qp * mmap_nesqp[NES_MAX_USER_WQ_REGIONS];  
+	u16 first_free_wq;
+	struct list_head cq_reg_mem_list;
+};
+
+struct nes_pd {
+	struct ib_pd ibpd;
+	u16 pd_id;
+	atomic_t sqp_count;
+	u16 mmap_db_index;
+};
+
+struct nes_mr {
+	union {
+		struct ib_mr ibmr;
+		struct ib_mw ibmw;
+		struct ib_fmr ibfmr;
+	};
+#ifndef OFED_1_2
+	struct ib_umem *region;
+#endif
+	u16 pbls_used;
+	u8 mode;
+	u8 pbl_4k; 
+};
+
+struct nes_hw_pb {
+	u32 pa_low;
+	u32 pa_high;
+};
+
+struct nes_vpbl {
+	dma_addr_t pbl_pbase;
+	struct nes_hw_pb *pbl_vbase;
+};
+
+struct nes_root_vpbl {
+	dma_addr_t pbl_pbase;
+	struct nes_hw_pb *pbl_vbase;
+	struct nes_vpbl *leaf_vpbl;
+};
+
+struct nes_fmr {
+	struct nes_mr nesmr;
+	u32 leaf_pbl_cnt;
+	struct nes_root_vpbl root_vpbl;
+	struct ib_qp* ib_qp;
+	int access_rights;
+	struct ib_fmr_attr attr;
+};
+
+struct nes_av;
+
+struct nes_cq {
+	struct ib_cq ibcq;
+	struct nes_hw_cq hw_cq;
+	u32 polled_completions;
+	u32 cq_mem_size;
+	spinlock_t lock;
+	u8 virtual_cq;
+	u8 pad[3];
+};
+
+struct nes_wq {
+	spinlock_t lock;
+};
+
+struct iw_cm_id;
+struct ietf_mpa_frame;
+
+struct nes_qp {
+	struct ib_qp ibqp;
+	void * allocated_buffer;
+	struct iw_cm_id *cm_id;
+	struct workqueue_struct *wq;
+	struct work_struct disconn_work;
+	struct nes_cq *nesscq;
+	struct nes_cq *nesrcq;
+	struct nes_pd *nespd;
+	void *cm_node; /* handle of the node this QP is associated with */
+	struct ietf_mpa_frame *ietf_frame;
+	dma_addr_t ietf_frame_pbase;
+	wait_queue_head_t state_waitq;
+	unsigned long socket;
+	struct nes_hw_qp hwqp;
+	struct work_struct work;
+	struct work_struct ae_work;
+	enum ib_qp_state ibqp_state;
+	u32 iwarp_state;
+	u32 hte_index;
+	u32 last_aeq;
+	u32 qp_mem_size;
+	atomic_t refcount;
+	atomic_t close_timer_started;
+	u32 mmap_sq_db_index;
+	u32 mmap_rq_db_index;
+	spinlock_t lock;
+	struct nes_qp_context *nesqp_context;
+	dma_addr_t nesqp_context_pbase;
+	wait_queue_head_t kick_waitq;
+	u16 in_disconnect;
+	u16 private_data_len;
+	u8 active_conn;
+	u8 skip_lsmm;
+	u8 user_mode;
+	u8 hte_added;
+	u8 hw_iwarp_state;
+	u8 flush_issued;
+	u8 hw_tcp_state;
+	u8 disconn_pending;
+	u8 destroyed;
+};
+#endif			/* NES_VERBS_H */