[linux-block.git] / drivers / infiniband / hw / nes / nes_verbs.h

/*
 * Copyright (c) 2006 - 2008 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 list_head   qp_reg_mem_list;
	u32                mcrqf;
	atomic_t	   usecnt;
};

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;
	};
	struct ib_umem    *region;
	u16               pbls_used;
	u8                mode;
	u8                pbl_4k;
};

struct nes_hw_pb {
	__le32 pa_low;
	__le32 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;
	struct ib_mr          *lsmm_mr;
	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;
	void	              *pbl_vbase;
	dma_addr_t            pbl_pbase;
	struct page           *page;
	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 */
Commit	Line	Data
3c2d774c GS	1	/*
	2	* Copyright (c) 2006 - 2008 NetEffect, Inc. All rights reserved.
	3	* Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
	4	*
	5	* This software is available to you under a choice of one of two
	6	* licenses. You may choose to be licensed under the terms of the GNU
	7	* General Public License (GPL) Version 2, available from the file
	8	* COPYING in the main directory of this source tree, or the
	9	* OpenIB.org BSD license below:
	10	*
	11	* Redistribution and use in source and binary forms, with or
	12	* without modification, are permitted provided that the following
	13	* conditions are met:
	14	*
	15	* - Redistributions of source code must retain the above
	16	* copyright notice, this list of conditions and the following
	17	* disclaimer.
	18	*
	19	* - Redistributions in binary form must reproduce the above
	20	* copyright notice, this list of conditions and the following
	21	* disclaimer in the documentation and/or other materials
	22	* provided with the distribution.
	23	*
	24	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	25	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	26	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	27	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	28	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	29	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	30	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	31	* SOFTWARE.
	32	*
	33	*/
	34
	35	#ifndef NES_VERBS_H
	36	#define NES_VERBS_H
	37
	38	struct nes_device;
	39
	40	#define NES_MAX_USER_DB_REGIONS 4096
	41	#define NES_MAX_USER_WQ_REGIONS 4096
	42
	43	struct nes_ucontext {
	44	struct ib_ucontext ibucontext;
	45	struct nes_device *nesdev;
	46	unsigned long mmap_wq_offset;
	47	unsigned long mmap_cq_offset; /* to be removed */
	48	int index; /* rnic index (minor) */
	49	unsigned long allocated_doorbells[BITS_TO_LONGS(NES_MAX_USER_DB_REGIONS)];
	50	u16 mmap_db_index[NES_MAX_USER_DB_REGIONS];
	51	u16 first_free_db;
	52	unsigned long allocated_wqs[BITS_TO_LONGS(NES_MAX_USER_WQ_REGIONS)];
	53	struct nes_qp *mmap_nesqp[NES_MAX_USER_WQ_REGIONS];
	54	u16 first_free_wq;
	55	struct list_head cq_reg_mem_list;
	56	struct list_head qp_reg_mem_list;
	57	u32 mcrqf;
	58	atomic_t usecnt;
	59	};
	60
	61	struct nes_pd {
	62	struct ib_pd ibpd;
	63	u16 pd_id;
	64	atomic_t sqp_count;
65	u16 mmap_db_index;
66	};
67
68	struct nes_mr {
69	union {
70	struct ib_mr ibmr;
71	struct ib_mw ibmw;
72	struct ib_fmr ibfmr;
73	};
74	struct ib_umem *region;
75	u16 pbls_used;
76	u8 mode;
77	u8 pbl_4k;
78	};
79
80	struct nes_hw_pb {
81	__le32 pa_low;
82	__le32 pa_high;
83	};
84
85	struct nes_vpbl {
86	dma_addr_t pbl_pbase;
87	struct nes_hw_pb *pbl_vbase;
88	};
89
90	struct nes_root_vpbl {
91	dma_addr_t pbl_pbase;
92	struct nes_hw_pb *pbl_vbase;
93	struct nes_vpbl *leaf_vpbl;
94	};
95
96	struct nes_fmr {
97	struct nes_mr nesmr;
98	u32 leaf_pbl_cnt;
99	struct nes_root_vpbl root_vpbl;
100	struct ib_qp *ib_qp;
101	int access_rights;
102	struct ib_fmr_attr attr;
103	};
104
105	struct nes_av;
106
107	struct nes_cq {
108	struct ib_cq ibcq;
109	struct nes_hw_cq hw_cq;
110	u32 polled_completions;
111	u32 cq_mem_size;
112	spinlock_t lock;
113	u8 virtual_cq;
114	u8 pad[3];
115	};
116
117	struct nes_wq {
118	spinlock_t lock;
119	};
120
121	struct iw_cm_id;
122	struct ietf_mpa_frame;
123
124	struct nes_qp {
125	struct ib_qp ibqp;
126	void *allocated_buffer;
127	struct iw_cm_id *cm_id;
128	struct workqueue_struct *wq;
129	struct work_struct disconn_work;
130	struct nes_cq *nesscq;
131	struct nes_cq *nesrcq;
132	struct nes_pd *nespd;
133	void cm_node; / handle of the node this QP is associated with */
134	struct ietf_mpa_frame *ietf_frame;
135	dma_addr_t ietf_frame_pbase;
136	wait_queue_head_t state_waitq;
c12e56ef	137	struct ib_mr *lsmm_mr;
3c2d774c GS	138	unsigned long socket;
	139	struct nes_hw_qp hwqp;
	140	struct work_struct work;
	141	struct work_struct ae_work;
	142	enum ib_qp_state ibqp_state;
	143	u32 iwarp_state;
	144	u32 hte_index;
	145	u32 last_aeq;
	146	u32 qp_mem_size;
	147	atomic_t refcount;
	148	atomic_t close_timer_started;
	149	u32 mmap_sq_db_index;
	150	u32 mmap_rq_db_index;
	151	spinlock_t lock;
	152	struct nes_qp_context *nesqp_context;
	153	dma_addr_t nesqp_context_pbase;
	154	void *pbl_vbase;
	155	dma_addr_t pbl_pbase;
	156	struct page *page;
	157	wait_queue_head_t kick_waitq;
	158	u16 in_disconnect;
	159	u16 private_data_len;
	160	u8 active_conn;
	161	u8 skip_lsmm;
	162	u8 user_mode;
	163	u8 hte_added;
	164	u8 hw_iwarp_state;
	165	u8 flush_issued;
	166	u8 hw_tcp_state;
	167	u8 disconn_pending;
	168	u8 destroyed;
	169	};
	170	#endif /* NES_VERBS_H */