[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_DPDP		= 1 << 12,
	MLX4_DEV_CAP_FLAG_BLH		= 1 << 15,
	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,
	MLX4_DEV_CAP_FLAG_IBOE		= 1 << 30
};

enum {
	MLX4_BMME_FLAG_LOCAL_INV	= 1 <<  6,
	MLX4_BMME_FLAG_REMOTE_INV	= 1 <<  7,
	MLX4_BMME_FLAG_TYPE_2_WIN	= 1 <<  9,
	MLX4_BMME_FLAG_RESERVED_LKEY	= 1 << 10,
	MLX4_BMME_FLAG_FAST_REG_WR	= 1 << 11,
};

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_MASKED_ATOMIC_CS	= 0x14,
	MLX4_OPCODE_MASKED_ATOMIC_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
};

enum {
	MLX4_MTT_FLAG_PRESENT		= 1
};

enum mlx4_qp_region {
	MLX4_QP_REGION_FW = 0,
	MLX4_QP_REGION_ETH_ADDR,
	MLX4_QP_REGION_FC_ADDR,
	MLX4_QP_REGION_FC_EXCH,
	MLX4_NUM_QP_REGION
};

enum mlx4_port_type {
	MLX4_PORT_TYPE_IB	= 1,
	MLX4_PORT_TYPE_ETH	= 2,
	MLX4_PORT_TYPE_AUTO	= 3
};

enum mlx4_special_vlan_idx {
	MLX4_NO_VLAN_IDX        = 0,
	MLX4_VLAN_MISS_IDX,
	MLX4_VLAN_REGULAR
};

enum {
	MLX4_NUM_FEXCH          = 64 * 1024,
};

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			ib_mtu_cap[MLX4_MAX_PORTS + 1];
	__be32			ib_port_def_cap[MLX4_MAX_PORTS + 1];
	u64			def_mac[MLX4_MAX_PORTS + 1];
	int			eth_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			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_comp_vectors;
	int			num_mpts;
	int			num_mtt_segs;
	int			mtts_per_seg;
	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;
	u32			bmme_flags;
	u32			reserved_lkey;
	u16			stat_rate_support;
	u8			port_width_cap[MLX4_MAX_PORTS + 1];
	int			max_gso_sz;
	int                     reserved_qps_cnt[MLX4_NUM_QP_REGION];
	int			reserved_qps;
	int                     reserved_qps_base[MLX4_NUM_QP_REGION];
	int                     log_num_macs;
	int                     log_num_vlans;
	int                     log_num_prios;
	enum mlx4_port_type	port_type[MLX4_MAX_PORTS + 1];
	u8			supported_type[MLX4_MAX_PORTS + 1];
	u32			port_mask;
	enum mlx4_port_type	possible_type[MLX4_MAX_PORTS + 1];
};

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_hwq_resources {
	struct mlx4_db		db;
	struct mlx4_mtt		mtt;
	struct mlx4_buf		buf;
};

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;
	unsigned		vector;

	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_eth_av {
	__be32		port_pd;
	u8		reserved1;
	u8		smac_idx;
	u16		reserved2;
	u8		reserved3;
	u8		gid_index;
	u8		stat_rate;
	u8		hop_limit;
	__be32		sl_tclass_flowlabel;
	u8		dgid[16];
	u32		reserved4[2];
	__be16		vlan;
	u8		mac[6];
};

union mlx4_ext_av {
	struct mlx4_av		ib;
	struct mlx4_eth_av	eth;
};

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;
};

#define mlx4_foreach_port(port, dev, type)				\
	for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++)	\
		if (((type) == MLX4_PORT_TYPE_IB ? (dev)->caps.port_mask : \
		     ~(dev)->caps.port_mask) & 1 << ((port) - 1))

#define mlx4_foreach_ib_transport_port(port, dev)			\
	for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++)	\
		if (((dev)->caps.port_mask & 1 << ((port) - 1)) ||	\
		    ((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE))


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_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres,
		       int size, int max_direct);
void mlx4_free_hwq_res(struct mlx4_dev *mdev, struct mlx4_hwq_resources *wqres,
		       int size);

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,
		  unsigned vector, int collapsed);
void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);

int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base);
void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);

int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, 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 block_mcast_loopback);
int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16]);

int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *index);
void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int index);

int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index);

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,
7ff93f8b	63	MLX4_DEV_CAP_FLAG_DPDP = 1 << 12,
417608c2	64	MLX4_DEV_CAP_FLAG_BLH = 1 << 15,
225c7b1f RD	65	MLX4_DEV_CAP_FLAG_MEM_WINDOW = 1 << 16,
	66	MLX4_DEV_CAP_FLAG_APM = 1 << 17,
	67	MLX4_DEV_CAP_FLAG_ATOMIC = 1 << 18,
	68	MLX4_DEV_CAP_FLAG_RAW_MCAST = 1 << 19,
	69	MLX4_DEV_CAP_FLAG_UD_AV_PORT = 1 << 20,
96dfa684 EC	70	MLX4_DEV_CAP_FLAG_UD_MCAST = 1 << 21,
96dfa684 EC	71	MLX4_DEV_CAP_FLAG_IBOE = 1 << 30
225c7b1f RD	72	};
225c7b1f RD	73
95d04f07 RD	74	enum {
	75	MLX4_BMME_FLAG_LOCAL_INV = 1 << 6,
	76	MLX4_BMME_FLAG_REMOTE_INV = 1 << 7,
	77	MLX4_BMME_FLAG_TYPE_2_WIN = 1 << 9,
	78	MLX4_BMME_FLAG_RESERVED_LKEY = 1 << 10,
	79	MLX4_BMME_FLAG_FAST_REG_WR = 1 << 11,
	80	};
	81
225c7b1f RD	82	enum mlx4_event {
	83	MLX4_EVENT_TYPE_COMP = 0x00,
	84	MLX4_EVENT_TYPE_PATH_MIG = 0x01,
	85	MLX4_EVENT_TYPE_COMM_EST = 0x02,
	86	MLX4_EVENT_TYPE_SQ_DRAINED = 0x03,
	87	MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE = 0x13,
	88	MLX4_EVENT_TYPE_SRQ_LIMIT = 0x14,
	89	MLX4_EVENT_TYPE_CQ_ERROR = 0x04,
	90	MLX4_EVENT_TYPE_WQ_CATAS_ERROR = 0x05,
	91	MLX4_EVENT_TYPE_EEC_CATAS_ERROR = 0x06,
	92	MLX4_EVENT_TYPE_PATH_MIG_FAILED = 0x07,
	93	MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR = 0x10,
	94	MLX4_EVENT_TYPE_WQ_ACCESS_ERROR = 0x11,
	95	MLX4_EVENT_TYPE_SRQ_CATAS_ERROR = 0x12,
	96	MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR = 0x08,
	97	MLX4_EVENT_TYPE_PORT_CHANGE = 0x09,
	98	MLX4_EVENT_TYPE_EQ_OVERFLOW = 0x0f,
	99	MLX4_EVENT_TYPE_ECC_DETECT = 0x0e,
	100	MLX4_EVENT_TYPE_CMD = 0x0a
	101	};
	102
	103	enum {
	104	MLX4_PORT_CHANGE_SUBTYPE_DOWN = 1,
	105	MLX4_PORT_CHANGE_SUBTYPE_ACTIVE = 4
	106	};
	107
	108	enum {
	109	MLX4_PERM_LOCAL_READ = 1 << 10,
	110	MLX4_PERM_LOCAL_WRITE = 1 << 11,
	111	MLX4_PERM_REMOTE_READ = 1 << 12,
	112	MLX4_PERM_REMOTE_WRITE = 1 << 13,
	113	MLX4_PERM_ATOMIC = 1 << 14
	114	};
	115
	116	enum {
	117	MLX4_OPCODE_NOP = 0x00,
	118	MLX4_OPCODE_SEND_INVAL = 0x01,
	119	MLX4_OPCODE_RDMA_WRITE = 0x08,
	120	MLX4_OPCODE_RDMA_WRITE_IMM = 0x09,
	121	MLX4_OPCODE_SEND = 0x0a,
	122	MLX4_OPCODE_SEND_IMM = 0x0b,
	123	MLX4_OPCODE_LSO = 0x0e,
	124	MLX4_OPCODE_RDMA_READ = 0x10,
	125	MLX4_OPCODE_ATOMIC_CS = 0x11,
	126	MLX4_OPCODE_ATOMIC_FA = 0x12,
6fa8f719 VS	127	MLX4_OPCODE_MASKED_ATOMIC_CS = 0x14,
6fa8f719 VS	128	MLX4_OPCODE_MASKED_ATOMIC_FA = 0x15,
225c7b1f RD	129	MLX4_OPCODE_BIND_MW = 0x18,
	130	MLX4_OPCODE_FMR = 0x19,
	131	MLX4_OPCODE_LOCAL_INVAL = 0x1b,
	132	MLX4_OPCODE_CONFIG_CMD = 0x1f,
	133
	134	MLX4_RECV_OPCODE_RDMA_WRITE_IMM = 0x00,
	135	MLX4_RECV_OPCODE_SEND = 0x01,
	136	MLX4_RECV_OPCODE_SEND_IMM = 0x02,
	137	MLX4_RECV_OPCODE_SEND_INVAL = 0x03,
	138
	139	MLX4_CQE_OPCODE_ERROR = 0x1e,
	140	MLX4_CQE_OPCODE_RESIZE = 0x16,
	141	};
	142
	143	enum {
	144	MLX4_STAT_RATE_OFFSET = 5
	145	};
	146
29bdc883 VS	147	enum {
	148	MLX4_MTT_FLAG_PRESENT = 1
	149	};
	150
93fc9e1b YP	151	enum mlx4_qp_region {
	152	MLX4_QP_REGION_FW = 0,
	153	MLX4_QP_REGION_ETH_ADDR,
	154	MLX4_QP_REGION_FC_ADDR,
	155	MLX4_QP_REGION_FC_EXCH,
	156	MLX4_NUM_QP_REGION
	157	};
	158
7ff93f8b	159	enum mlx4_port_type {
27bf91d6 YP	160	MLX4_PORT_TYPE_IB = 1,
	161	MLX4_PORT_TYPE_ETH = 2,
	162	MLX4_PORT_TYPE_AUTO = 3
7ff93f8b YP	163	};
7ff93f8b YP	164
2a2336f8 YP	165	enum mlx4_special_vlan_idx {
	166	MLX4_NO_VLAN_IDX = 0,
	167	MLX4_VLAN_MISS_IDX,
	168	MLX4_VLAN_REGULAR
	169	};
	170
93fc9e1b YP	171	enum {
	172	MLX4_NUM_FEXCH = 64 * 1024,
	173	};
	174
ea54b10c JM	175	static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
	176	{
	177	return (major << 32) \| (minor << 16) \| subminor;
	178	}
	179
225c7b1f RD	180	struct mlx4_caps {
	181	u64 fw_ver;
	182	int num_ports;
5ae2a7a8	183	int vl_cap[MLX4_MAX_PORTS + 1];
b79acb49	184	int ib_mtu_cap[MLX4_MAX_PORTS + 1];
9a5aa622	185	__be32 ib_port_def_cap[MLX4_MAX_PORTS + 1];
b79acb49 YP	186	u64 def_mac[MLX4_MAX_PORTS + 1];
b79acb49 YP	187	int eth_mtu_cap[MLX4_MAX_PORTS + 1];
5ae2a7a8 RD	188	int gid_table_len[MLX4_MAX_PORTS + 1];
5ae2a7a8 RD	189	int pkey_table_len[MLX4_MAX_PORTS + 1];
225c7b1f RD	190	int local_ca_ack_delay;
	191	int num_uars;
	192	int bf_reg_size;
	193	int bf_regs_per_page;
	194	int max_sq_sg;
	195	int max_rq_sg;
	196	int num_qps;
	197	int max_wqes;
	198	int max_sq_desc_sz;
	199	int max_rq_desc_sz;
	200	int max_qp_init_rdma;
	201	int max_qp_dest_rdma;
225c7b1f RD	202	int sqp_start;
	203	int num_srqs;
	204	int max_srq_wqes;
	205	int max_srq_sge;
	206	int reserved_srqs;
	207	int num_cqs;
	208	int max_cqes;
	209	int reserved_cqs;
	210	int num_eqs;
	211	int reserved_eqs;
b8dd786f	212	int num_comp_vectors;
225c7b1f RD	213	int num_mpts;
225c7b1f RD	214	int num_mtt_segs;
ab6bf42e	215	int mtts_per_seg;
225c7b1f RD	216	int fmr_reserved_mtts;
	217	int reserved_mtts;
	218	int reserved_mrws;
	219	int reserved_uars;
	220	int num_mgms;
	221	int num_amgms;
	222	int reserved_mcgs;
	223	int num_qp_per_mgm;
	224	int num_pds;
	225	int reserved_pds;
	226	int mtt_entry_sz;
149983af	227	u32 max_msg_sz;
225c7b1f RD	228	u32 page_size_cap;
225c7b1f RD	229	u32 flags;
95d04f07 RD	230	u32 bmme_flags;
95d04f07 RD	231	u32 reserved_lkey;
225c7b1f	232	u16 stat_rate_support;
5ae2a7a8	233	u8 port_width_cap[MLX4_MAX_PORTS + 1];
b832be1e	234	int max_gso_sz;
93fc9e1b YP	235	int reserved_qps_cnt[MLX4_NUM_QP_REGION];
	236	int reserved_qps;
	237	int reserved_qps_base[MLX4_NUM_QP_REGION];
	238	int log_num_macs;
	239	int log_num_vlans;
	240	int log_num_prios;
7ff93f8b YP	241	enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1];
	242	u8 supported_type[MLX4_MAX_PORTS + 1];
	243	u32 port_mask;
27bf91d6	244	enum mlx4_port_type possible_type[MLX4_MAX_PORTS + 1];
225c7b1f RD	245	};
	246
	247	struct mlx4_buf_list {
	248	void *buf;
	249	dma_addr_t map;
	250	};
	251
	252	struct mlx4_buf {
b57aacfa RD	253	struct mlx4_buf_list direct;
b57aacfa RD	254	struct mlx4_buf_list *page_list;
225c7b1f RD	255	int nbufs;
	256	int npages;
	257	int page_shift;
	258	};
	259
	260	struct mlx4_mtt {
	261	u32 first_seg;
	262	int order;
	263	int page_shift;
	264	};
	265
6296883c YP	266	enum {
	267	MLX4_DB_PER_PAGE = PAGE_SIZE / 4
	268	};
	269
	270	struct mlx4_db_pgdir {
	271	struct list_head list;
	272	DECLARE_BITMAP(order0, MLX4_DB_PER_PAGE);
	273	DECLARE_BITMAP(order1, MLX4_DB_PER_PAGE / 2);
	274	unsigned long *bits[2];
	275	__be32 *db_page;
	276	dma_addr_t db_dma;
	277	};
	278
	279	struct mlx4_ib_user_db_page;
	280
	281	struct mlx4_db {
	282	__be32 *db;
	283	union {
	284	struct mlx4_db_pgdir *pgdir;
	285	struct mlx4_ib_user_db_page *user_page;
	286	} u;
	287	dma_addr_t dma;
	288	int index;
	289	int order;
	290	};
	291
38ae6a53 YP	292	struct mlx4_hwq_resources {
	293	struct mlx4_db db;
	294	struct mlx4_mtt mtt;
	295	struct mlx4_buf buf;
	296	};
	297
225c7b1f RD	298	struct mlx4_mr {
	299	struct mlx4_mtt mtt;
	300	u64 iova;
	301	u64 size;
	302	u32 key;
	303	u32 pd;
	304	u32 access;
	305	int enabled;
	306	};
	307
8ad11fb6 JM	308	struct mlx4_fmr {
	309	struct mlx4_mr mr;
	310	struct mlx4_mpt_entry *mpt;
	311	__be64 *mtts;
	312	dma_addr_t dma_handle;
	313	int max_pages;
	314	int max_maps;
	315	int maps;
	316	u8 page_shift;
	317	};
	318
225c7b1f RD	319	struct mlx4_uar {
	320	unsigned long pfn;
	321	int index;
	322	};
	323
	324	struct mlx4_cq {
	325	void (comp) (struct mlx4_cq );
	326	void (event) (struct mlx4_cq , enum mlx4_event);
	327
	328	struct mlx4_uar *uar;
	329
	330	u32 cons_index;
	331
	332	__be32 *set_ci_db;
	333	__be32 *arm_db;
	334	int arm_sn;
	335
	336	int cqn;
b8dd786f	337	unsigned vector;
225c7b1f RD	338
	339	atomic_t refcount;
	340	struct completion free;
	341	};
	342
	343	struct mlx4_qp {
	344	void (event) (struct mlx4_qp , enum mlx4_event);
	345
	346	int qpn;
	347
	348	atomic_t refcount;
	349	struct completion free;
	350	};
	351
	352	struct mlx4_srq {
	353	void (event) (struct mlx4_srq , enum mlx4_event);
	354
	355	int srqn;
	356	int max;
	357	int max_gs;
	358	int wqe_shift;
	359
	360	atomic_t refcount;
	361	struct completion free;
	362	};
	363
	364	struct mlx4_av {
	365	__be32 port_pd;
	366	u8 reserved1;
	367	u8 g_slid;
	368	__be16 dlid;
	369	u8 reserved2;
	370	u8 gid_index;
	371	u8 stat_rate;
	372	u8 hop_limit;
	373	__be32 sl_tclass_flowlabel;
	374	u8 dgid[16];
	375	};
	376
fa417f7b EC	377	struct mlx4_eth_av {
	378	__be32 port_pd;
	379	u8 reserved1;
	380	u8 smac_idx;
	381	u16 reserved2;
	382	u8 reserved3;
	383	u8 gid_index;
	384	u8 stat_rate;
	385	u8 hop_limit;
	386	__be32 sl_tclass_flowlabel;
	387	u8 dgid[16];
	388	u32 reserved4[2];
	389	__be16 vlan;
	390	u8 mac[6];
	391	};
	392
	393	union mlx4_ext_av {
	394	struct mlx4_av ib;
	395	struct mlx4_eth_av eth;
	396	};
	397
225c7b1f RD	398	struct mlx4_dev {
	399	struct pci_dev *pdev;
	400	unsigned long flags;
	401	struct mlx4_caps caps;
	402	struct radix_tree_root qp_table_tree;
cd9281d8 JM	403	u32 rev_id;
cd9281d8 JM	404	char board_id[MLX4_BOARD_ID_LEN];
225c7b1f RD	405	};
	406
	407	struct mlx4_init_port_param {
	408	int set_guid0;
	409	int set_node_guid;
	410	int set_si_guid;
	411	u16 mtu;
	412	int port_width_cap;
	413	u16 vl_cap;
	414	u16 max_gid;
	415	u16 max_pkey;
	416	u64 guid0;
	417	u64 node_guid;
	418	u64 si_guid;
	419	};
	420
7ff93f8b YP	421	#define mlx4_foreach_port(port, dev, type) \
	422	for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
	423	if (((type) == MLX4_PORT_TYPE_IB ? (dev)->caps.port_mask : \
	424	~(dev)->caps.port_mask) & 1 << ((port) - 1))
	425
fa417f7b EC	426	#define mlx4_foreach_ib_transport_port(port, dev) \
	427	for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
	428	if (((dev)->caps.port_mask & 1 << ((port) - 1)) \|\| \
	429	((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE))
	430
	431
225c7b1f RD	432	int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
	433	struct mlx4_buf *buf);
	434	void mlx4_buf_free(struct mlx4_dev dev, int size, struct mlx4_buf buf);
1c69fc2a RD	435	static inline void mlx4_buf_offset(struct mlx4_buf buf, int offset)
1c69fc2a RD	436	{
313abe55	437	if (BITS_PER_LONG == 64 \|\| buf->nbufs == 1)
b57aacfa	438	return buf->direct.buf + offset;
1c69fc2a	439	else
b57aacfa	440	return buf->page_list[offset >> PAGE_SHIFT].buf +
1c69fc2a RD	441	(offset & (PAGE_SIZE - 1));
1c69fc2a RD	442	}
225c7b1f RD	443
	444	int mlx4_pd_alloc(struct mlx4_dev dev, u32 pdn);
	445	void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn);
	446
	447	int mlx4_uar_alloc(struct mlx4_dev dev, struct mlx4_uar uar);
	448	void mlx4_uar_free(struct mlx4_dev dev, struct mlx4_uar uar);
	449
	450	int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift,
	451	struct mlx4_mtt *mtt);
	452	void mlx4_mtt_cleanup(struct mlx4_dev dev, struct mlx4_mtt mtt);
	453	u64 mlx4_mtt_addr(struct mlx4_dev dev, struct mlx4_mtt mtt);
	454
	455	int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access,
	456	int npages, int page_shift, struct mlx4_mr *mr);
	457	void mlx4_mr_free(struct mlx4_dev dev, struct mlx4_mr mr);
	458	int mlx4_mr_enable(struct mlx4_dev dev, struct mlx4_mr mr);
	459	int mlx4_write_mtt(struct mlx4_dev dev, struct mlx4_mtt mtt,
	460	int start_index, int npages, u64 *page_list);
	461	int mlx4_buf_write_mtt(struct mlx4_dev dev, struct mlx4_mtt mtt,
	462	struct mlx4_buf *buf);
	463
6296883c YP	464	int mlx4_db_alloc(struct mlx4_dev dev, struct mlx4_db db, int order);
	465	void mlx4_db_free(struct mlx4_dev dev, struct mlx4_db db);
	466
38ae6a53 YP	467	int mlx4_alloc_hwq_res(struct mlx4_dev dev, struct mlx4_hwq_resources wqres,
	468	int size, int max_direct);
	469	void mlx4_free_hwq_res(struct mlx4_dev mdev, struct mlx4_hwq_resources wqres,
	470	int size);
	471
225c7b1f	472	int mlx4_cq_alloc(struct mlx4_dev dev, int nent, struct mlx4_mtt mtt,
e463c7b1	473	struct mlx4_uar uar, u64 db_rec, struct mlx4_cq cq,
b8dd786f	474	unsigned vector, int collapsed);
225c7b1f RD	475	void mlx4_cq_free(struct mlx4_dev dev, struct mlx4_cq cq);
225c7b1f RD	476
a3cdcbfa YP	477	int mlx4_qp_reserve_range(struct mlx4_dev dev, int cnt, int align, int base);
	478	void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
	479
	480	int mlx4_qp_alloc(struct mlx4_dev dev, int qpn, struct mlx4_qp qp);
225c7b1f RD	481	void mlx4_qp_free(struct mlx4_dev dev, struct mlx4_qp qp);
	482
	483	int mlx4_srq_alloc(struct mlx4_dev dev, u32 pdn, struct mlx4_mtt mtt,
	484	u64 db_rec, struct mlx4_srq *srq);
	485	void mlx4_srq_free(struct mlx4_dev dev, struct mlx4_srq srq);
	486	int mlx4_srq_arm(struct mlx4_dev dev, struct mlx4_srq srq, int limit_watermark);
65541cb7	487	int mlx4_srq_query(struct mlx4_dev dev, struct mlx4_srq srq, int *limit_watermark);
225c7b1f	488
5ae2a7a8	489	int mlx4_INIT_PORT(struct mlx4_dev *dev, int port);
225c7b1f RD	490	int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port);
225c7b1f RD	491
521e575b RL	492	int mlx4_multicast_attach(struct mlx4_dev dev, struct mlx4_qp qp, u8 gid[16],
521e575b RL	493	int block_mcast_loopback);
225c7b1f RD	494	int mlx4_multicast_detach(struct mlx4_dev dev, struct mlx4_qp qp, u8 gid[16]);
225c7b1f RD	495
2a2336f8 YP	496	int mlx4_register_mac(struct mlx4_dev dev, u8 port, u64 mac, int index);
	497	void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int index);
	498
	499	int mlx4_register_vlan(struct mlx4_dev dev, u8 port, u16 vlan, int index);
	500	void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index);
	501
8ad11fb6 JM	502	int mlx4_map_phys_fmr(struct mlx4_dev dev, struct mlx4_fmr fmr, u64 *page_list,
	503	int npages, u64 iova, u32 lkey, u32 rkey);
	504	int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
	505	int max_maps, u8 page_shift, struct mlx4_fmr *fmr);
	506	int mlx4_fmr_enable(struct mlx4_dev dev, struct mlx4_fmr fmr);
	507	void mlx4_fmr_unmap(struct mlx4_dev dev, struct mlx4_fmr fmr,
	508	u32 lkey, u32 rkey);
	509	int mlx4_fmr_free(struct mlx4_dev dev, struct mlx4_fmr fmr);
	510	int mlx4_SYNC_TPT(struct mlx4_dev *dev);
	511
225c7b1f	512	#endif /* MLX4_DEVICE_H */