[deliverable/linux.git] / drivers / infiniband / hw / mlx4 / mlx4_ib.h

/*
 * Copyright (c) 2006, 2007 Cisco Systems.  All rights reserved.
 * Copyright (c) 2007, 2008 Mellanox Technologies. 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 MLX4_IB_H
#define MLX4_IB_H

#include <linux/compiler.h>
#include <linux/list.h>
#include <linux/mutex.h>

#include <rdma/ib_verbs.h>
#include <rdma/ib_umem.h>

#include <linux/mlx4/device.h>
#include <linux/mlx4/doorbell.h>

enum {
	MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
	MLX4_IB_MAX_HEADROOM	 = 2048
};

#define MLX4_IB_SQ_HEADROOM(shift)	((MLX4_IB_MAX_HEADROOM >> (shift)) + 1)
#define MLX4_IB_SQ_MAX_SPARE		(MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT))

struct mlx4_ib_ucontext {
	struct ib_ucontext	ibucontext;
	struct mlx4_uar		uar;
	struct list_head	db_page_list;
	struct mutex		db_page_mutex;
};

struct mlx4_ib_pd {
	struct ib_pd		ibpd;
	u32			pdn;
};

struct mlx4_ib_xrcd {
	struct ib_xrcd		ibxrcd;
	u32			xrcdn;
	struct ib_pd	       *pd;
	struct ib_cq	       *cq;
};

struct mlx4_ib_cq_buf {
	struct mlx4_buf		buf;
	struct mlx4_mtt		mtt;
};

struct mlx4_ib_cq_resize {
	struct mlx4_ib_cq_buf	buf;
	int			cqe;
};

struct mlx4_ib_cq {
	struct ib_cq		ibcq;
	struct mlx4_cq		mcq;
	struct mlx4_ib_cq_buf	buf;
	struct mlx4_ib_cq_resize *resize_buf;
	struct mlx4_db		db;
	spinlock_t		lock;
	struct mutex		resize_mutex;
	struct ib_umem	       *umem;
	struct ib_umem	       *resize_umem;
};

struct mlx4_ib_mr {
	struct ib_mr		ibmr;
	struct mlx4_mr		mmr;
	struct ib_umem	       *umem;
};

struct mlx4_ib_fast_reg_page_list {
	struct ib_fast_reg_page_list	ibfrpl;
	__be64			       *mapped_page_list;
	dma_addr_t			map;
};

struct mlx4_ib_fmr {
	struct ib_fmr           ibfmr;
	struct mlx4_fmr         mfmr;
};

struct mlx4_ib_wq {
	u64		       *wrid;
	spinlock_t		lock;
	int			wqe_cnt;
	int			max_post;
	int			max_gs;
	int			offset;
	int			wqe_shift;
	unsigned		head;
	unsigned		tail;
};

enum mlx4_ib_qp_flags {
	MLX4_IB_QP_LSO				= 1 << 0,
	MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK	= 1 << 1,
};

struct mlx4_ib_gid_entry {
	struct list_head	list;
	union ib_gid		gid;
	int			added;
	u8			port;
};

struct mlx4_ib_qp {
	struct ib_qp		ibqp;
	struct mlx4_qp		mqp;
	struct mlx4_buf		buf;

	struct mlx4_db		db;
	struct mlx4_ib_wq	rq;

	u32			doorbell_qpn;
	__be32			sq_signal_bits;
	unsigned		sq_next_wqe;
	int			sq_max_wqes_per_wr;
	int			sq_spare_wqes;
	struct mlx4_ib_wq	sq;

	struct ib_umem	       *umem;
	struct mlx4_mtt		mtt;
	int			buf_size;
	struct mutex		mutex;
	u16			xrcdn;
	u32			flags;
	u8			port;
	u8			alt_port;
	u8			atomic_rd_en;
	u8			resp_depth;
	u8			sq_no_prefetch;
	u8			state;
	int			mlx_type;
	struct list_head	gid_list;
};

struct mlx4_ib_srq {
	struct ib_srq		ibsrq;
	struct mlx4_srq		msrq;
	struct mlx4_buf		buf;
	struct mlx4_db		db;
	u64		       *wrid;
	spinlock_t		lock;
	int			head;
	int			tail;
	u16			wqe_ctr;
	struct ib_umem	       *umem;
	struct mlx4_mtt		mtt;
	struct mutex		mutex;
};

struct mlx4_ib_ah {
	struct ib_ah		ibah;
	union mlx4_ext_av       av;
};

struct mlx4_ib_iboe {
	spinlock_t		lock;
	struct net_device      *netdevs[MLX4_MAX_PORTS];
	struct notifier_block 	nb;
	union ib_gid		gid_table[MLX4_MAX_PORTS][128];
};

struct mlx4_ib_dev {
	struct ib_device	ib_dev;
	struct mlx4_dev	       *dev;
	int			num_ports;
	void __iomem	       *uar_map;

	struct mlx4_uar		priv_uar;
	u32			priv_pdn;
	MLX4_DECLARE_DOORBELL_LOCK(uar_lock);

	struct ib_mad_agent    *send_agent[MLX4_MAX_PORTS][2];
	struct ib_ah	       *sm_ah[MLX4_MAX_PORTS];
	spinlock_t		sm_lock;

	struct mutex		cap_mask_mutex;
	bool			ib_active;
	struct mlx4_ib_iboe	iboe;
	int			counters[MLX4_MAX_PORTS];
	int		       *eq_table;
	int			eq_added;
};

static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
{
	return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
}

static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
{
	return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
}

static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
{
	return container_of(ibpd, struct mlx4_ib_pd, ibpd);
}

static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
{
	return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
}

static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
{
	return container_of(ibcq, struct mlx4_ib_cq, ibcq);
}

static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
{
	return container_of(mcq, struct mlx4_ib_cq, mcq);
}

static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
{
	return container_of(ibmr, struct mlx4_ib_mr, ibmr);
}

static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
{
	return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
}

static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
{
	return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
}
static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
{
	return container_of(ibqp, struct mlx4_ib_qp, ibqp);
}

static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
{
	return container_of(mqp, struct mlx4_ib_qp, mqp);
}

static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
{
	return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
}

static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
{
	return container_of(msrq, struct mlx4_ib_srq, msrq);
}

static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
{
	return container_of(ibah, struct mlx4_ib_ah, ibah);
}

int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
			struct mlx4_db *db);
void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);

struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
			   struct ib_umem *umem);
struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
				  u64 virt_addr, int access_flags,
				  struct ib_udata *udata);
int mlx4_ib_dereg_mr(struct ib_mr *mr);
struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
					int max_page_list_len);
struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
							       int page_list_len);
void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);

int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector,
				struct ib_ucontext *context,
				struct ib_udata *udata);
int mlx4_ib_destroy_cq(struct ib_cq *cq);
int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);

struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
int mlx4_ib_destroy_ah(struct ib_ah *ah);

struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
				  struct ib_srq_init_attr *init_attr,
				  struct ib_udata *udata);
int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
		       enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
int mlx4_ib_destroy_srq(struct ib_srq *srq);
void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
			  struct ib_recv_wr **bad_wr);

struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
				struct ib_qp_init_attr *init_attr,
				struct ib_udata *udata);
int mlx4_ib_destroy_qp(struct ib_qp *qp);
int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
		      int attr_mask, struct ib_udata *udata);
int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
		     struct ib_qp_init_attr *qp_init_attr);
int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
		      struct ib_send_wr **bad_wr);
int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
		      struct ib_recv_wr **bad_wr);

int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int ignore_mkey, int ignore_bkey,
		 int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
		 void *in_mad, void *response_mad);
int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags,	u8 port_num,
			struct ib_wc *in_wc, struct ib_grh *in_grh,
			struct ib_mad *in_mad, struct ib_mad *out_mad);
int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);

struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
				  struct ib_fmr_attr *fmr_attr);
int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
			 u64 iova);
int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);

int mlx4_ib_resolve_grh(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah_attr,
			u8 *mac, int *is_mcast, u8 port);

static inline int mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
{
	u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;

	if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
		return 1;

	return !!(ah->av.ib.g_slid & 0x80);
}

int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
		   union ib_gid *gid);

#endif /* MLX4_IB_H */
Commit	Line	Data
225c7b1f RD	1	/*
225c7b1f RD	2	* Copyright (c) 2006, 2007 Cisco Systems. All rights reserved.
51a379d0	3	* Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
225c7b1f RD	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	#ifndef MLX4_IB_H
	35	#define MLX4_IB_H
	36
	37	#include <linux/compiler.h>
	38	#include <linux/list.h>
63019d93	39	#include <linux/mutex.h>
225c7b1f RD	40
	41	#include <rdma/ib_verbs.h>
	42	#include <rdma/ib_umem.h>
	43
	44	#include <linux/mlx4/device.h>
	45	#include <linux/mlx4/doorbell.h>
	46
fc2d0044 SG	47	enum {
	48	MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
	49	MLX4_IB_MAX_HEADROOM = 2048
	50	};
	51
	52	#define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1)
	53	#define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT))
	54
225c7b1f RD	55	struct mlx4_ib_ucontext {
	56	struct ib_ucontext ibucontext;
	57	struct mlx4_uar uar;
	58	struct list_head db_page_list;
	59	struct mutex db_page_mutex;
	60	};
	61
	62	struct mlx4_ib_pd {
	63	struct ib_pd ibpd;
	64	u32 pdn;
	65	};
	66
012a8ff5 SH	67	struct mlx4_ib_xrcd {
	68	struct ib_xrcd ibxrcd;
	69	u32 xrcdn;
	70	struct ib_pd *pd;
	71	struct ib_cq *cq;
	72	};
	73
225c7b1f RD	74	struct mlx4_ib_cq_buf {
	75	struct mlx4_buf buf;
	76	struct mlx4_mtt mtt;
	77	};
	78
bbf8eed1 VS	79	struct mlx4_ib_cq_resize {
	80	struct mlx4_ib_cq_buf buf;
	81	int cqe;
	82	};
	83
225c7b1f RD	84	struct mlx4_ib_cq {
	85	struct ib_cq ibcq;
	86	struct mlx4_cq mcq;
	87	struct mlx4_ib_cq_buf buf;
bbf8eed1	88	struct mlx4_ib_cq_resize *resize_buf;
6296883c	89	struct mlx4_db db;
225c7b1f	90	spinlock_t lock;
bbf8eed1	91	struct mutex resize_mutex;
225c7b1f	92	struct ib_umem *umem;
bbf8eed1	93	struct ib_umem *resize_umem;
225c7b1f RD	94	};
	95
	96	struct mlx4_ib_mr {
	97	struct ib_mr ibmr;
	98	struct mlx4_mr mmr;
	99	struct ib_umem *umem;
	100	};
	101
95d04f07 RD	102	struct mlx4_ib_fast_reg_page_list {
95d04f07 RD	103	struct ib_fast_reg_page_list ibfrpl;
2b6b7d4b	104	__be64 *mapped_page_list;
95d04f07 RD	105	dma_addr_t map;
	106	};
	107
8ad11fb6 JM	108	struct mlx4_ib_fmr {
	109	struct ib_fmr ibfmr;
	110	struct mlx4_fmr mfmr;
	111	};
	112
225c7b1f RD	113	struct mlx4_ib_wq {
	114	u64 *wrid;
	115	spinlock_t lock;
0e6e7416 RD	116	int wqe_cnt;
0e6e7416 RD	117	int max_post;
225c7b1f RD	118	int max_gs;
	119	int offset;
	120	int wqe_shift;
	121	unsigned head;
	122	unsigned tail;
	123	};
	124
b832be1e	125	enum mlx4_ib_qp_flags {
521e575b RL	126	MLX4_IB_QP_LSO = 1 << 0,
521e575b RL	127	MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = 1 << 1,
b832be1e EC	128	};
b832be1e EC	129
fa417f7b EC	130	struct mlx4_ib_gid_entry {
	131	struct list_head list;
	132	union ib_gid gid;
	133	int added;
	134	u8 port;
	135	};
	136
225c7b1f RD	137	struct mlx4_ib_qp {
	138	struct ib_qp ibqp;
	139	struct mlx4_qp mqp;
	140	struct mlx4_buf buf;
	141
6296883c	142	struct mlx4_db db;
225c7b1f RD	143	struct mlx4_ib_wq rq;
	144
	145	u32 doorbell_qpn;
	146	__be32 sq_signal_bits;
ea54b10c JM	147	unsigned sq_next_wqe;
ea54b10c JM	148	int sq_max_wqes_per_wr;
0e6e7416	149	int sq_spare_wqes;
225c7b1f RD	150	struct mlx4_ib_wq sq;
	151
	152	struct ib_umem *umem;
	153	struct mlx4_mtt mtt;
	154	int buf_size;
	155	struct mutex mutex;
0a1405da	156	u16 xrcdn;
b832be1e	157	u32 flags;
225c7b1f RD	158	u8 port;
	159	u8 alt_port;
	160	u8 atomic_rd_en;
	161	u8 resp_depth;
0e6e7416	162	u8 sq_no_prefetch;
225c7b1f	163	u8 state;
fa417f7b EC	164	int mlx_type;
fa417f7b EC	165	struct list_head gid_list;
225c7b1f RD	166	};
	167
	168	struct mlx4_ib_srq {
	169	struct ib_srq ibsrq;
	170	struct mlx4_srq msrq;
	171	struct mlx4_buf buf;
6296883c	172	struct mlx4_db db;
225c7b1f RD	173	u64 *wrid;
	174	spinlock_t lock;
	175	int head;
	176	int tail;
	177	u16 wqe_ctr;
	178	struct ib_umem *umem;
	179	struct mlx4_mtt mtt;
	180	struct mutex mutex;
	181	};
	182
	183	struct mlx4_ib_ah {
	184	struct ib_ah ibah;
fa417f7b EC	185	union mlx4_ext_av av;
	186	};
	187
	188	struct mlx4_ib_iboe {
	189	spinlock_t lock;
	190	struct net_device *netdevs[MLX4_MAX_PORTS];
	191	struct notifier_block nb;
	192	union ib_gid gid_table[MLX4_MAX_PORTS][128];
225c7b1f RD	193	};
	194
	195	struct mlx4_ib_dev {
	196	struct ib_device ib_dev;
	197	struct mlx4_dev *dev;
7ff93f8b	198	int num_ports;
225c7b1f RD	199	void __iomem *uar_map;
225c7b1f RD	200
225c7b1f RD	201	struct mlx4_uar priv_uar;
	202	u32 priv_pdn;
	203	MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
	204
	205	struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
	206	struct ib_ah *sm_ah[MLX4_MAX_PORTS];
	207	spinlock_t sm_lock;
	208
	209	struct mutex cap_mask_mutex;
3b4a8cd5	210	bool ib_active;
fa417f7b	211	struct mlx4_ib_iboe iboe;
cfcde11c	212	int counters[MLX4_MAX_PORTS];
e605b743 SP	213	int *eq_table;
e605b743 SP	214	int eq_added;
225c7b1f RD	215	};
	216
	217	static inline struct mlx4_ib_dev to_mdev(struct ib_device ibdev)
	218	{
	219	return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
	220	}
	221
	222	static inline struct mlx4_ib_ucontext to_mucontext(struct ib_ucontext ibucontext)
	223	{
	224	return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
	225	}
	226
	227	static inline struct mlx4_ib_pd to_mpd(struct ib_pd ibpd)
	228	{
	229	return container_of(ibpd, struct mlx4_ib_pd, ibpd);
	230	}
	231
012a8ff5 SH	232	static inline struct mlx4_ib_xrcd to_mxrcd(struct ib_xrcd ibxrcd)
	233	{
	234	return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
	235	}
	236
225c7b1f RD	237	static inline struct mlx4_ib_cq to_mcq(struct ib_cq ibcq)
	238	{
	239	return container_of(ibcq, struct mlx4_ib_cq, ibcq);
	240	}
	241
	242	static inline struct mlx4_ib_cq to_mibcq(struct mlx4_cq mcq)
	243	{
	244	return container_of(mcq, struct mlx4_ib_cq, mcq);
	245	}
	246
	247	static inline struct mlx4_ib_mr to_mmr(struct ib_mr ibmr)
	248	{
	249	return container_of(ibmr, struct mlx4_ib_mr, ibmr);
	250	}
	251
95d04f07 RD	252	static inline struct mlx4_ib_fast_reg_page_list to_mfrpl(struct ib_fast_reg_page_list ibfrpl)
	253	{
	254	return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
	255	}
	256
8ad11fb6 JM	257	static inline struct mlx4_ib_fmr to_mfmr(struct ib_fmr ibfmr)
	258	{
	259	return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
	260	}
225c7b1f RD	261	static inline struct mlx4_ib_qp to_mqp(struct ib_qp ibqp)
	262	{
	263	return container_of(ibqp, struct mlx4_ib_qp, ibqp);
	264	}
	265
	266	static inline struct mlx4_ib_qp to_mibqp(struct mlx4_qp mqp)
	267	{
	268	return container_of(mqp, struct mlx4_ib_qp, mqp);
	269	}
	270
	271	static inline struct mlx4_ib_srq to_msrq(struct ib_srq ibsrq)
	272	{
	273	return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
	274	}
	275
	276	static inline struct mlx4_ib_srq to_mibsrq(struct mlx4_srq msrq)
	277	{
	278	return container_of(msrq, struct mlx4_ib_srq, msrq);
	279	}
	280
	281	static inline struct mlx4_ib_ah to_mah(struct ib_ah ibah)
	282	{
	283	return container_of(ibah, struct mlx4_ib_ah, ibah);
	284	}
	285
225c7b1f	286	int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
6296883c YP	287	struct mlx4_db *db);
6296883c YP	288	void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext context, struct mlx4_db db);
225c7b1f RD	289
	290	struct ib_mr mlx4_ib_get_dma_mr(struct ib_pd pd, int acc);
	291	int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev dev, struct mlx4_mtt mtt,
	292	struct ib_umem *umem);
	293	struct ib_mr mlx4_ib_reg_user_mr(struct ib_pd pd, u64 start, u64 length,
	294	u64 virt_addr, int access_flags,
	295	struct ib_udata *udata);
	296	int mlx4_ib_dereg_mr(struct ib_mr *mr);
95d04f07 RD	297	struct ib_mr mlx4_ib_alloc_fast_reg_mr(struct ib_pd pd,
	298	int max_page_list_len);
	299	struct ib_fast_reg_page_list mlx4_ib_alloc_fast_reg_page_list(struct ib_device ibdev,
	300	int page_list_len);
	301	void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
225c7b1f	302
3fdcb97f	303	int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
bbf8eed1	304	int mlx4_ib_resize_cq(struct ib_cq ibcq, int entries, struct ib_udata udata);
225c7b1f RD	305	struct ib_cq mlx4_ib_create_cq(struct ib_device ibdev, int entries, int vector,
	306	struct ib_ucontext *context,
	307	struct ib_udata *udata);
	308	int mlx4_ib_destroy_cq(struct ib_cq *cq);
	309	int mlx4_ib_poll_cq(struct ib_cq ibcq, int num_entries, struct ib_wc wc);
	310	int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
	311	void __mlx4_ib_cq_clean(struct mlx4_ib_cq cq, u32 qpn, struct mlx4_ib_srq srq);
	312	void mlx4_ib_cq_clean(struct mlx4_ib_cq cq, u32 qpn, struct mlx4_ib_srq srq);
	313
	314	struct ib_ah mlx4_ib_create_ah(struct ib_pd pd, struct ib_ah_attr *ah_attr);
	315	int mlx4_ib_query_ah(struct ib_ah ibah, struct ib_ah_attr ah_attr);
	316	int mlx4_ib_destroy_ah(struct ib_ah *ah);
	317
	318	struct ib_srq mlx4_ib_create_srq(struct ib_pd pd,
	319	struct ib_srq_init_attr *init_attr,
	320	struct ib_udata *udata);
	321	int mlx4_ib_modify_srq(struct ib_srq ibsrq, struct ib_srq_attr attr,
	322	enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
65541cb7	323	int mlx4_ib_query_srq(struct ib_srq srq, struct ib_srq_attr srq_attr);
225c7b1f RD	324	int mlx4_ib_destroy_srq(struct ib_srq *srq);
	325	void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
	326	int mlx4_ib_post_srq_recv(struct ib_srq ibsrq, struct ib_recv_wr wr,
	327	struct ib_recv_wr **bad_wr);
	328
	329	struct ib_qp mlx4_ib_create_qp(struct ib_pd pd,
	330	struct ib_qp_init_attr *init_attr,
	331	struct ib_udata *udata);
	332	int mlx4_ib_destroy_qp(struct ib_qp *qp);
	333	int mlx4_ib_modify_qp(struct ib_qp ibqp, struct ib_qp_attr attr,
	334	int attr_mask, struct ib_udata *udata);
6a775e2b JM	335	int mlx4_ib_query_qp(struct ib_qp ibqp, struct ib_qp_attr qp_attr, int qp_attr_mask,
6a775e2b JM	336	struct ib_qp_init_attr *qp_init_attr);
225c7b1f RD	337	int mlx4_ib_post_send(struct ib_qp ibqp, struct ib_send_wr wr,
	338	struct ib_send_wr **bad_wr);
	339	int mlx4_ib_post_recv(struct ib_qp ibqp, struct ib_recv_wr wr,
	340	struct ib_recv_wr **bad_wr);
	341
	342	int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int ignore_mkey, int ignore_bkey,
	343	int port, struct ib_wc in_wc, struct ib_grh in_grh,
	344	void in_mad, void response_mad);
	345	int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
	346	struct ib_wc in_wc, struct ib_grh in_grh,
	347	struct ib_mad in_mad, struct ib_mad out_mad);
	348	int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
	349	void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
	350
8ad11fb6 JM	351	struct ib_fmr mlx4_ib_fmr_alloc(struct ib_pd pd, int mr_access_flags,
	352	struct ib_fmr_attr *fmr_attr);
	353	int mlx4_ib_map_phys_fmr(struct ib_fmr ibfmr, u64 page_list, int npages,
	354	u64 iova);
	355	int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
	356	int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
	357
fa417f7b EC	358	int mlx4_ib_resolve_grh(struct mlx4_ib_dev dev, const struct ib_ah_attr ah_attr,
	359	u8 mac, int is_mcast, u8 port);
	360
225c7b1f RD	361	static inline int mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
225c7b1f RD	362	{
fa417f7b EC	363	u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
	364
	365	if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
	366	return 1;
	367
	368	return !!(ah->av.ib.g_slid & 0x80);
225c7b1f RD	369	}
225c7b1f RD	370
fa417f7b EC	371	int mlx4_ib_add_mc(struct mlx4_ib_dev mdev, struct mlx4_ib_qp mqp,
	372	union ib_gid *gid);
	373
225c7b1f	374	#endif /* MLX4_IB_H */