[linux-2.6-block.git] / include / linux / mlx4 / device.h

/*
 * Copyright (c) 2006, 2007 Cisco Systems, 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 MLX4_DEVICE_H
#define MLX4_DEVICE_H

#include <linux/pci.h>
#include <linux/completion.h>
#include <linux/radix-tree.h>

#include <asm/atomic.h>

enum {
	MLX4_FLAG_MSI_X		= 1 << 0,
	MLX4_FLAG_OLD_PORT_CMDS	= 1 << 1,
};

enum {
	MLX4_MAX_PORTS		= 2
};

enum {
	MLX4_BOARD_ID_LEN = 64
};

enum {
	MLX4_DEV_CAP_FLAG_RC		= 1 <<  0,
	MLX4_DEV_CAP_FLAG_UC		= 1 <<  1,
	MLX4_DEV_CAP_FLAG_UD		= 1 <<  2,
	MLX4_DEV_CAP_FLAG_SRQ		= 1 <<  6,
	MLX4_DEV_CAP_FLAG_IPOIB_CSUM	= 1 <<  7,
	MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR	= 1 <<  8,
	MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR	= 1 <<  9,
	MLX4_DEV_CAP_FLAG_MEM_WINDOW	= 1 << 16,
	MLX4_DEV_CAP_FLAG_APM		= 1 << 17,
	MLX4_DEV_CAP_FLAG_ATOMIC	= 1 << 18,
	MLX4_DEV_CAP_FLAG_RAW_MCAST	= 1 << 19,
	MLX4_DEV_CAP_FLAG_UD_AV_PORT	= 1 << 20,
	MLX4_DEV_CAP_FLAG_UD_MCAST	= 1 << 21
};

enum mlx4_event {
	MLX4_EVENT_TYPE_COMP		   = 0x00,
	MLX4_EVENT_TYPE_PATH_MIG	   = 0x01,
	MLX4_EVENT_TYPE_COMM_EST	   = 0x02,
	MLX4_EVENT_TYPE_SQ_DRAINED	   = 0x03,
	MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE	   = 0x13,
	MLX4_EVENT_TYPE_SRQ_LIMIT	   = 0x14,
	MLX4_EVENT_TYPE_CQ_ERROR	   = 0x04,
	MLX4_EVENT_TYPE_WQ_CATAS_ERROR	   = 0x05,
	MLX4_EVENT_TYPE_EEC_CATAS_ERROR	   = 0x06,
	MLX4_EVENT_TYPE_PATH_MIG_FAILED	   = 0x07,
	MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR = 0x10,
	MLX4_EVENT_TYPE_WQ_ACCESS_ERROR	   = 0x11,
	MLX4_EVENT_TYPE_SRQ_CATAS_ERROR	   = 0x12,
	MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR  = 0x08,
	MLX4_EVENT_TYPE_PORT_CHANGE	   = 0x09,
	MLX4_EVENT_TYPE_EQ_OVERFLOW	   = 0x0f,
	MLX4_EVENT_TYPE_ECC_DETECT	   = 0x0e,
	MLX4_EVENT_TYPE_CMD		   = 0x0a
};

enum {
	MLX4_PORT_CHANGE_SUBTYPE_DOWN	= 1,
	MLX4_PORT_CHANGE_SUBTYPE_ACTIVE	= 4
};

enum {
	MLX4_PERM_LOCAL_READ	= 1 << 10,
	MLX4_PERM_LOCAL_WRITE	= 1 << 11,
	MLX4_PERM_REMOTE_READ	= 1 << 12,
	MLX4_PERM_REMOTE_WRITE	= 1 << 13,
	MLX4_PERM_ATOMIC	= 1 << 14
};

enum {
	MLX4_OPCODE_NOP			= 0x00,
	MLX4_OPCODE_SEND_INVAL		= 0x01,
	MLX4_OPCODE_RDMA_WRITE		= 0x08,
	MLX4_OPCODE_RDMA_WRITE_IMM	= 0x09,
	MLX4_OPCODE_SEND		= 0x0a,
	MLX4_OPCODE_SEND_IMM		= 0x0b,
	MLX4_OPCODE_LSO			= 0x0e,
	MLX4_OPCODE_RDMA_READ		= 0x10,
	MLX4_OPCODE_ATOMIC_CS		= 0x11,
	MLX4_OPCODE_ATOMIC_FA		= 0x12,
	MLX4_OPCODE_ATOMIC_MASK_CS	= 0x14,
	MLX4_OPCODE_ATOMIC_MASK_FA	= 0x15,
	MLX4_OPCODE_BIND_MW		= 0x18,
	MLX4_OPCODE_FMR			= 0x19,
	MLX4_OPCODE_LOCAL_INVAL		= 0x1b,
	MLX4_OPCODE_CONFIG_CMD		= 0x1f,

	MLX4_RECV_OPCODE_RDMA_WRITE_IMM	= 0x00,
	MLX4_RECV_OPCODE_SEND		= 0x01,
	MLX4_RECV_OPCODE_SEND_IMM	= 0x02,
	MLX4_RECV_OPCODE_SEND_INVAL	= 0x03,

	MLX4_CQE_OPCODE_ERROR		= 0x1e,
	MLX4_CQE_OPCODE_RESIZE		= 0x16,
};

enum {
	MLX4_STAT_RATE_OFFSET	= 5
};

static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
{
	return (major << 32) | (minor << 16) | subminor;
}

struct mlx4_caps {
	u64			fw_ver;
	int			num_ports;
	int			vl_cap[MLX4_MAX_PORTS + 1];
	int			mtu_cap[MLX4_MAX_PORTS + 1];
	int			gid_table_len[MLX4_MAX_PORTS + 1];
	int			pkey_table_len[MLX4_MAX_PORTS + 1];
	int			local_ca_ack_delay;
	int			num_uars;
	int			bf_reg_size;
	int			bf_regs_per_page;
	int			max_sq_sg;
	int			max_rq_sg;
	int			num_qps;
	int			max_wqes;
	int			max_sq_desc_sz;
	int			max_rq_desc_sz;
	int			max_qp_init_rdma;
	int			max_qp_dest_rdma;
	int			reserved_qps;
	int			sqp_start;
	int			num_srqs;
	int			max_srq_wqes;
	int			max_srq_sge;
	int			reserved_srqs;
	int			num_cqs;
	int			max_cqes;
	int			reserved_cqs;
	int			num_eqs;
	int			reserved_eqs;
	int			num_mpts;
	int			num_mtt_segs;
	int			fmr_reserved_mtts;
	int			reserved_mtts;
	int			reserved_mrws;
	int			reserved_uars;
	int			num_mgms;
	int			num_amgms;
	int			reserved_mcgs;
	int			num_qp_per_mgm;
	int			num_pds;
	int			reserved_pds;
	int			mtt_entry_sz;
	u32			max_msg_sz;
	u32			page_size_cap;
	u32			flags;
	u16			stat_rate_support;
	u8			port_width_cap[MLX4_MAX_PORTS + 1];
	int			max_gso_sz;
};

struct mlx4_buf_list {
	void		       *buf;
	dma_addr_t		map;
};

struct mlx4_buf {
	struct mlx4_buf_list	direct;
	struct mlx4_buf_list   *page_list;
	int			nbufs;
	int			npages;
	int			page_shift;
};

struct mlx4_mtt {
	u32			first_seg;
	int			order;
	int			page_shift;
};

enum {
	MLX4_DB_PER_PAGE = PAGE_SIZE / 4
};

struct mlx4_db_pgdir {
	struct list_head	list;
	DECLARE_BITMAP(order0, MLX4_DB_PER_PAGE);
	DECLARE_BITMAP(order1, MLX4_DB_PER_PAGE / 2);
	unsigned long	       *bits[2];
	__be32		       *db_page;
	dma_addr_t		db_dma;
};

struct mlx4_ib_user_db_page;

struct mlx4_db {
	__be32			*db;
	union {
		struct mlx4_db_pgdir		*pgdir;
		struct mlx4_ib_user_db_page	*user_page;
	}			u;
	dma_addr_t		dma;
	int			index;
	int			order;
};

struct mlx4_mr {
	struct mlx4_mtt		mtt;
	u64			iova;
	u64			size;
	u32			key;
	u32			pd;
	u32			access;
	int			enabled;
};

struct mlx4_fmr {
	struct mlx4_mr		mr;
	struct mlx4_mpt_entry  *mpt;
	__be64		       *mtts;
	dma_addr_t		dma_handle;
	int			max_pages;
	int			max_maps;
	int			maps;
	u8			page_shift;
};

struct mlx4_uar {
	unsigned long		pfn;
	int			index;
};

struct mlx4_cq {
	void (*comp)		(struct mlx4_cq *);
	void (*event)		(struct mlx4_cq *, enum mlx4_event);

	struct mlx4_uar	       *uar;

	u32			cons_index;

	__be32		       *set_ci_db;
	__be32		       *arm_db;
	int			arm_sn;

	int			cqn;

	atomic_t		refcount;
	struct completion	free;
};

struct mlx4_qp {
	void (*event)		(struct mlx4_qp *, enum mlx4_event);

	int			qpn;

	atomic_t		refcount;
	struct completion	free;
};

struct mlx4_srq {
	void (*event)		(struct mlx4_srq *, enum mlx4_event);

	int			srqn;
	int			max;
	int			max_gs;
	int			wqe_shift;

	atomic_t		refcount;
	struct completion	free;
};

struct mlx4_av {
	__be32			port_pd;
	u8			reserved1;
	u8			g_slid;
	__be16			dlid;
	u8			reserved2;
	u8			gid_index;
	u8			stat_rate;
	u8			hop_limit;
	__be32			sl_tclass_flowlabel;
	u8			dgid[16];
};

struct mlx4_dev {
	struct pci_dev	       *pdev;
	unsigned long		flags;
	struct mlx4_caps	caps;
	struct radix_tree_root	qp_table_tree;
	u32			rev_id;
	char			board_id[MLX4_BOARD_ID_LEN];
};

struct mlx4_init_port_param {
	int			set_guid0;
	int			set_node_guid;
	int			set_si_guid;
	u16			mtu;
	int			port_width_cap;
	u16			vl_cap;
	u16			max_gid;
	u16			max_pkey;
	u64			guid0;
	u64			node_guid;
	u64			si_guid;
};

int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
		   struct mlx4_buf *buf);
void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset)
{
	if (BITS_PER_LONG == 64 || buf->nbufs == 1)
		return buf->direct.buf + offset;
	else
		return buf->page_list[offset >> PAGE_SHIFT].buf +
			(offset & (PAGE_SIZE - 1));
}

int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn);
void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn);

int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar);
void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar);

int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift,
		  struct mlx4_mtt *mtt);
void mlx4_mtt_cleanup(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
u64 mlx4_mtt_addr(struct mlx4_dev *dev, struct mlx4_mtt *mtt);

int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access,
		  int npages, int page_shift, struct mlx4_mr *mr);
void mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr);
int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr);
int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
		   int start_index, int npages, u64 *page_list);
int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
		       struct mlx4_buf *buf);

int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order);
void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db);

int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
		  struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq);
void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);

int mlx4_qp_alloc(struct mlx4_dev *dev, int sqpn, struct mlx4_qp *qp);
void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp);

int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, struct mlx4_mtt *mtt,
		   u64 db_rec, struct mlx4_srq *srq);
void mlx4_srq_free(struct mlx4_dev *dev, struct mlx4_srq *srq);
int mlx4_srq_arm(struct mlx4_dev *dev, struct mlx4_srq *srq, int limit_watermark);
int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_watermark);

int mlx4_INIT_PORT(struct mlx4_dev *dev, int port);
int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port);

int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16]);
int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16]);

int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list,
		      int npages, u64 iova, u32 *lkey, u32 *rkey);
int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
		   int max_maps, u8 page_shift, struct mlx4_fmr *fmr);
int mlx4_fmr_enable(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr,
		    u32 *lkey, u32 *rkey);
int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
int mlx4_SYNC_TPT(struct mlx4_dev *dev);

#endif /* MLX4_DEVICE_H */
Commit	Line	Data
225c7b1f RD	1	/*
	2	* Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved.
	3	*
	4	* This software is available to you under a choice of one of two
	5	* licenses. You may choose to be licensed under the terms of the GNU
	6	* General Public License (GPL) Version 2, available from the file
	7	* COPYING in the main directory of this source tree, or the
	8	* OpenIB.org BSD license below:
	9	*
	10	* Redistribution and use in source and binary forms, with or
	11	* without modification, are permitted provided that the following
	12	* conditions are met:
	13	*
	14	* - Redistributions of source code must retain the above
	15	* copyright notice, this list of conditions and the following
	16	* disclaimer.
	17	*
	18	* - Redistributions in binary form must reproduce the above
	19	* copyright notice, this list of conditions and the following
	20	* disclaimer in the documentation and/or other materials
	21	* provided with the distribution.
	22	*
	23	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	24	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	25	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	26	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	27	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	28	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	29	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	30	* SOFTWARE.
	31	*/
	32
	33	#ifndef MLX4_DEVICE_H
	34	#define MLX4_DEVICE_H
	35
	36	#include <linux/pci.h>
	37	#include <linux/completion.h>
	38	#include <linux/radix-tree.h>
	39
	40	#include <asm/atomic.h>
	41
	42	enum {
	43	MLX4_FLAG_MSI_X = 1 << 0,
5ae2a7a8	44	MLX4_FLAG_OLD_PORT_CMDS = 1 << 1,
225c7b1f RD	45	};
	46
	47	enum {
	48	MLX4_MAX_PORTS = 2
	49	};
	50
cd9281d8 JM	51	enum {
	52	MLX4_BOARD_ID_LEN = 64
	53	};
	54
225c7b1f RD	55	enum {
	56	MLX4_DEV_CAP_FLAG_RC = 1 << 0,
	57	MLX4_DEV_CAP_FLAG_UC = 1 << 1,
	58	MLX4_DEV_CAP_FLAG_UD = 1 << 2,
	59	MLX4_DEV_CAP_FLAG_SRQ = 1 << 6,
	60	MLX4_DEV_CAP_FLAG_IPOIB_CSUM = 1 << 7,
	61	MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1 << 8,
	62	MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1 << 9,
	63	MLX4_DEV_CAP_FLAG_MEM_WINDOW = 1 << 16,
	64	MLX4_DEV_CAP_FLAG_APM = 1 << 17,
	65	MLX4_DEV_CAP_FLAG_ATOMIC = 1 << 18,
	66	MLX4_DEV_CAP_FLAG_RAW_MCAST = 1 << 19,
	67	MLX4_DEV_CAP_FLAG_UD_AV_PORT = 1 << 20,
	68	MLX4_DEV_CAP_FLAG_UD_MCAST = 1 << 21
	69	};
	70
	71	enum mlx4_event {
	72	MLX4_EVENT_TYPE_COMP = 0x00,
	73	MLX4_EVENT_TYPE_PATH_MIG = 0x01,
	74	MLX4_EVENT_TYPE_COMM_EST = 0x02,
	75	MLX4_EVENT_TYPE_SQ_DRAINED = 0x03,
	76	MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE = 0x13,
	77	MLX4_EVENT_TYPE_SRQ_LIMIT = 0x14,
	78	MLX4_EVENT_TYPE_CQ_ERROR = 0x04,
	79	MLX4_EVENT_TYPE_WQ_CATAS_ERROR = 0x05,
	80	MLX4_EVENT_TYPE_EEC_CATAS_ERROR = 0x06,
	81	MLX4_EVENT_TYPE_PATH_MIG_FAILED = 0x07,
	82	MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR = 0x10,
	83	MLX4_EVENT_TYPE_WQ_ACCESS_ERROR = 0x11,
	84	MLX4_EVENT_TYPE_SRQ_CATAS_ERROR = 0x12,
	85	MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR = 0x08,
	86	MLX4_EVENT_TYPE_PORT_CHANGE = 0x09,
	87	MLX4_EVENT_TYPE_EQ_OVERFLOW = 0x0f,
	88	MLX4_EVENT_TYPE_ECC_DETECT = 0x0e,
	89	MLX4_EVENT_TYPE_CMD = 0x0a
	90	};
	91
	92	enum {
	93	MLX4_PORT_CHANGE_SUBTYPE_DOWN = 1,
	94	MLX4_PORT_CHANGE_SUBTYPE_ACTIVE = 4
	95	};
	96
	97	enum {
	98	MLX4_PERM_LOCAL_READ = 1 << 10,
	99	MLX4_PERM_LOCAL_WRITE = 1 << 11,
	100	MLX4_PERM_REMOTE_READ = 1 << 12,
	101	MLX4_PERM_REMOTE_WRITE = 1 << 13,
	102	MLX4_PERM_ATOMIC = 1 << 14
	103	};
	104
	105	enum {
	106	MLX4_OPCODE_NOP = 0x00,
	107	MLX4_OPCODE_SEND_INVAL = 0x01,
	108	MLX4_OPCODE_RDMA_WRITE = 0x08,
	109	MLX4_OPCODE_RDMA_WRITE_IMM = 0x09,
	110	MLX4_OPCODE_SEND = 0x0a,
	111	MLX4_OPCODE_SEND_IMM = 0x0b,
	112	MLX4_OPCODE_LSO = 0x0e,
	113	MLX4_OPCODE_RDMA_READ = 0x10,
	114	MLX4_OPCODE_ATOMIC_CS = 0x11,
	115	MLX4_OPCODE_ATOMIC_FA = 0x12,
	116	MLX4_OPCODE_ATOMIC_MASK_CS = 0x14,
	117	MLX4_OPCODE_ATOMIC_MASK_FA = 0x15,
	118	MLX4_OPCODE_BIND_MW = 0x18,
119	MLX4_OPCODE_FMR = 0x19,
120	MLX4_OPCODE_LOCAL_INVAL = 0x1b,
121	MLX4_OPCODE_CONFIG_CMD = 0x1f,
122
123	MLX4_RECV_OPCODE_RDMA_WRITE_IMM = 0x00,
124	MLX4_RECV_OPCODE_SEND = 0x01,
125	MLX4_RECV_OPCODE_SEND_IMM = 0x02,
126	MLX4_RECV_OPCODE_SEND_INVAL = 0x03,
127
128	MLX4_CQE_OPCODE_ERROR = 0x1e,
129	MLX4_CQE_OPCODE_RESIZE = 0x16,
130	};
131
132	enum {
133	MLX4_STAT_RATE_OFFSET = 5
134	};
135
ea54b10c JM	136	static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
	137	{
	138	return (major << 32) \| (minor << 16) \| subminor;
	139	}
	140
225c7b1f RD	141	struct mlx4_caps {
	142	u64 fw_ver;
	143	int num_ports;
5ae2a7a8 RD	144	int vl_cap[MLX4_MAX_PORTS + 1];
	145	int mtu_cap[MLX4_MAX_PORTS + 1];
	146	int gid_table_len[MLX4_MAX_PORTS + 1];
	147	int pkey_table_len[MLX4_MAX_PORTS + 1];
225c7b1f RD	148	int local_ca_ack_delay;
	149	int num_uars;
	150	int bf_reg_size;
	151	int bf_regs_per_page;
	152	int max_sq_sg;
	153	int max_rq_sg;
	154	int num_qps;
	155	int max_wqes;
	156	int max_sq_desc_sz;
	157	int max_rq_desc_sz;
	158	int max_qp_init_rdma;
	159	int max_qp_dest_rdma;
	160	int reserved_qps;
	161	int sqp_start;
	162	int num_srqs;
	163	int max_srq_wqes;
	164	int max_srq_sge;
	165	int reserved_srqs;
	166	int num_cqs;
	167	int max_cqes;
	168	int reserved_cqs;
	169	int num_eqs;
	170	int reserved_eqs;
	171	int num_mpts;
	172	int num_mtt_segs;
	173	int fmr_reserved_mtts;
	174	int reserved_mtts;
	175	int reserved_mrws;
	176	int reserved_uars;
	177	int num_mgms;
	178	int num_amgms;
	179	int reserved_mcgs;
	180	int num_qp_per_mgm;
	181	int num_pds;
	182	int reserved_pds;
	183	int mtt_entry_sz;
149983af	184	u32 max_msg_sz;
225c7b1f RD	185	u32 page_size_cap;
	186	u32 flags;
	187	u16 stat_rate_support;
5ae2a7a8	188	u8 port_width_cap[MLX4_MAX_PORTS + 1];
b832be1e	189	int max_gso_sz;
225c7b1f RD	190	};
	191
	192	struct mlx4_buf_list {
	193	void *buf;
	194	dma_addr_t map;
	195	};
	196
	197	struct mlx4_buf {
b57aacfa RD	198	struct mlx4_buf_list direct;
b57aacfa RD	199	struct mlx4_buf_list *page_list;
225c7b1f RD	200	int nbufs;
	201	int npages;
	202	int page_shift;
	203	};
	204
	205	struct mlx4_mtt {
	206	u32 first_seg;
	207	int order;
	208	int page_shift;
	209	};
	210
6296883c YP	211	enum {
	212	MLX4_DB_PER_PAGE = PAGE_SIZE / 4
	213	};
	214
	215	struct mlx4_db_pgdir {
	216	struct list_head list;
	217	DECLARE_BITMAP(order0, MLX4_DB_PER_PAGE);
	218	DECLARE_BITMAP(order1, MLX4_DB_PER_PAGE / 2);
	219	unsigned long *bits[2];
	220	__be32 *db_page;
	221	dma_addr_t db_dma;
	222	};
	223
	224	struct mlx4_ib_user_db_page;
	225
	226	struct mlx4_db {
	227	__be32 *db;
	228	union {
	229	struct mlx4_db_pgdir *pgdir;
	230	struct mlx4_ib_user_db_page *user_page;
	231	} u;
	232	dma_addr_t dma;
	233	int index;
	234	int order;
	235	};
	236
225c7b1f RD	237	struct mlx4_mr {
	238	struct mlx4_mtt mtt;
	239	u64 iova;
	240	u64 size;
	241	u32 key;
	242	u32 pd;
	243	u32 access;
	244	int enabled;
	245	};
	246
8ad11fb6 JM	247	struct mlx4_fmr {
	248	struct mlx4_mr mr;
	249	struct mlx4_mpt_entry *mpt;
	250	__be64 *mtts;
	251	dma_addr_t dma_handle;
	252	int max_pages;
	253	int max_maps;
	254	int maps;
	255	u8 page_shift;
	256	};
	257
225c7b1f RD	258	struct mlx4_uar {
	259	unsigned long pfn;
	260	int index;
	261	};
	262
	263	struct mlx4_cq {
	264	void (comp) (struct mlx4_cq );
	265	void (event) (struct mlx4_cq , enum mlx4_event);
	266
	267	struct mlx4_uar *uar;
	268
	269	u32 cons_index;
	270
	271	__be32 *set_ci_db;
	272	__be32 *arm_db;
	273	int arm_sn;
	274
	275	int cqn;
	276
	277	atomic_t refcount;
	278	struct completion free;
	279	};
	280
	281	struct mlx4_qp {
	282	void (event) (struct mlx4_qp , enum mlx4_event);
	283
	284	int qpn;
	285
	286	atomic_t refcount;
	287	struct completion free;
	288	};
	289
	290	struct mlx4_srq {
	291	void (event) (struct mlx4_srq , enum mlx4_event);
	292
	293	int srqn;
	294	int max;
	295	int max_gs;
	296	int wqe_shift;
	297
	298	atomic_t refcount;
	299	struct completion free;
	300	};
	301
	302	struct mlx4_av {
	303	__be32 port_pd;
	304	u8 reserved1;
	305	u8 g_slid;
	306	__be16 dlid;
	307	u8 reserved2;
	308	u8 gid_index;
	309	u8 stat_rate;
	310	u8 hop_limit;
	311	__be32 sl_tclass_flowlabel;
	312	u8 dgid[16];
	313	};
	314
	315	struct mlx4_dev {
	316	struct pci_dev *pdev;
	317	unsigned long flags;
	318	struct mlx4_caps caps;
	319	struct radix_tree_root qp_table_tree;
cd9281d8 JM	320	u32 rev_id;
cd9281d8 JM	321	char board_id[MLX4_BOARD_ID_LEN];
225c7b1f RD	322	};
	323
	324	struct mlx4_init_port_param {
	325	int set_guid0;
	326	int set_node_guid;
	327	int set_si_guid;
	328	u16 mtu;
	329	int port_width_cap;
	330	u16 vl_cap;
	331	u16 max_gid;
	332	u16 max_pkey;
	333	u64 guid0;
	334	u64 node_guid;
	335	u64 si_guid;
	336	};
	337
	338	int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
	339	struct mlx4_buf *buf);
	340	void mlx4_buf_free(struct mlx4_dev dev, int size, struct mlx4_buf buf);
1c69fc2a RD	341	static inline void mlx4_buf_offset(struct mlx4_buf buf, int offset)
1c69fc2a RD	342	{
313abe55	343	if (BITS_PER_LONG == 64 \|\| buf->nbufs == 1)
b57aacfa	344	return buf->direct.buf + offset;
1c69fc2a	345	else
b57aacfa	346	return buf->page_list[offset >> PAGE_SHIFT].buf +
1c69fc2a RD	347	(offset & (PAGE_SIZE - 1));
1c69fc2a RD	348	}
225c7b1f RD	349
	350	int mlx4_pd_alloc(struct mlx4_dev dev, u32 pdn);
	351	void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn);
	352
	353	int mlx4_uar_alloc(struct mlx4_dev dev, struct mlx4_uar uar);
	354	void mlx4_uar_free(struct mlx4_dev dev, struct mlx4_uar uar);
	355
	356	int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift,
	357	struct mlx4_mtt *mtt);
	358	void mlx4_mtt_cleanup(struct mlx4_dev dev, struct mlx4_mtt mtt);
	359	u64 mlx4_mtt_addr(struct mlx4_dev dev, struct mlx4_mtt mtt);
	360
	361	int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access,
	362	int npages, int page_shift, struct mlx4_mr *mr);
	363	void mlx4_mr_free(struct mlx4_dev dev, struct mlx4_mr mr);
	364	int mlx4_mr_enable(struct mlx4_dev dev, struct mlx4_mr mr);
	365	int mlx4_write_mtt(struct mlx4_dev dev, struct mlx4_mtt mtt,
	366	int start_index, int npages, u64 *page_list);
	367	int mlx4_buf_write_mtt(struct mlx4_dev dev, struct mlx4_mtt mtt,
	368	struct mlx4_buf *buf);
	369
6296883c YP	370	int mlx4_db_alloc(struct mlx4_dev dev, struct mlx4_db db, int order);
	371	void mlx4_db_free(struct mlx4_dev dev, struct mlx4_db db);
	372
225c7b1f RD	373	int mlx4_cq_alloc(struct mlx4_dev dev, int nent, struct mlx4_mtt mtt,
	374	struct mlx4_uar uar, u64 db_rec, struct mlx4_cq cq);
	375	void mlx4_cq_free(struct mlx4_dev dev, struct mlx4_cq cq);
	376
	377	int mlx4_qp_alloc(struct mlx4_dev dev, int sqpn, struct mlx4_qp qp);
	378	void mlx4_qp_free(struct mlx4_dev dev, struct mlx4_qp qp);
	379
	380	int mlx4_srq_alloc(struct mlx4_dev dev, u32 pdn, struct mlx4_mtt mtt,
	381	u64 db_rec, struct mlx4_srq *srq);
	382	void mlx4_srq_free(struct mlx4_dev dev, struct mlx4_srq srq);
	383	int mlx4_srq_arm(struct mlx4_dev dev, struct mlx4_srq srq, int limit_watermark);
65541cb7	384	int mlx4_srq_query(struct mlx4_dev dev, struct mlx4_srq srq, int *limit_watermark);
225c7b1f	385
5ae2a7a8	386	int mlx4_INIT_PORT(struct mlx4_dev *dev, int port);
225c7b1f RD	387	int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port);
	388
	389	int mlx4_multicast_attach(struct mlx4_dev dev, struct mlx4_qp qp, u8 gid[16]);
	390	int mlx4_multicast_detach(struct mlx4_dev dev, struct mlx4_qp qp, u8 gid[16]);
	391
8ad11fb6 JM	392	int mlx4_map_phys_fmr(struct mlx4_dev dev, struct mlx4_fmr fmr, u64 *page_list,
	393	int npages, u64 iova, u32 lkey, u32 rkey);
	394	int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
	395	int max_maps, u8 page_shift, struct mlx4_fmr *fmr);
	396	int mlx4_fmr_enable(struct mlx4_dev dev, struct mlx4_fmr fmr);
	397	void mlx4_fmr_unmap(struct mlx4_dev dev, struct mlx4_fmr fmr,
	398	u32 lkey, u32 rkey);
	399	int mlx4_fmr_free(struct mlx4_dev dev, struct mlx4_fmr fmr);
	400	int mlx4_SYNC_TPT(struct mlx4_dev *dev);
	401
225c7b1f	402	#endif /* MLX4_DEVICE_H */