[mirror_ubuntu-artful-kernel.git] / drivers / infiniband / hw / bnxt_re / qplib_sp.h

/*
 * Broadcom NetXtreme-E RoCE driver.
 *
 * Copyright (c) 2016 - 2017, Broadcom. All rights reserved.  The term
 * Broadcom refers to Broadcom Limited and/or its subsidiaries.
 *
 * 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
 * BSD license below:
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Description: Slow Path Operators (header)
 *
 */

#ifndef __BNXT_QPLIB_SP_H__
#define __BNXT_QPLIB_SP_H__

#define BNXT_QPLIB_RESERVED_QP_WRS	128

#define PCI_EXP_DEVCTL2_ATOMIC_REQ      0x0040

struct bnxt_qplib_dev_attr {
	char				fw_ver[32];
	u16				max_sgid;
	u16				max_mrw;
	u32				max_qp;
#define BNXT_QPLIB_MAX_OUT_RD_ATOM	126
	u32				max_qp_rd_atom;
	u32				max_qp_init_rd_atom;
	u32				max_qp_wqes;
	u32				max_qp_sges;
	u32				max_cq;
	u32				max_cq_wqes;
	u32				max_cq_sges;
	u32				max_mr;
	u64				max_mr_size;
	u32				max_pd;
	u32				max_mw;
	u32				max_raw_ethy_qp;
	u32				max_ah;
	u32				max_fmr;
	u32				max_map_per_fmr;
	u32				max_srq;
	u32				max_srq_wqes;
	u32				max_srq_sges;
	u32				max_pkey;
	u32				max_inline_data;
	u32				l2_db_size;
	u8				tqm_alloc_reqs[MAX_TQM_ALLOC_REQ];
	bool				is_atomic;
};

struct bnxt_qplib_pd {
	u32				id;
};

struct bnxt_qplib_gid {
	u8				data[16];
};

struct bnxt_qplib_ah {
	struct bnxt_qplib_gid		dgid;
	struct bnxt_qplib_pd		*pd;
	u32				id;
	u8				sgid_index;
	/* For Query AH if the hw table and SW table are differnt */
	u8				host_sgid_index;
	u8				traffic_class;
	u32				flow_label;
	u8				hop_limit;
	u8				sl;
	u8				dmac[6];
	u16				vlan_id;
	u8				nw_type;
};

struct bnxt_qplib_mrw {
	struct bnxt_qplib_pd		*pd;
	int				type;
	u32				flags;
#define BNXT_QPLIB_FR_PMR		0x80000000
	u32				lkey;
	u32				rkey;
#define BNXT_QPLIB_RSVD_LKEY		0xFFFFFFFF
	u64				va;
	u64				total_size;
	u32				npages;
	u64				mr_handle;
	struct bnxt_qplib_hwq		hwq;
};

struct bnxt_qplib_frpl {
	int				max_pg_ptrs;
	struct bnxt_qplib_hwq		hwq;
};

#define BNXT_QPLIB_ACCESS_LOCAL_WRITE	BIT(0)
#define BNXT_QPLIB_ACCESS_REMOTE_READ	BIT(1)
#define BNXT_QPLIB_ACCESS_REMOTE_WRITE	BIT(2)
#define BNXT_QPLIB_ACCESS_REMOTE_ATOMIC	BIT(3)
#define BNXT_QPLIB_ACCESS_MW_BIND	BIT(4)
#define BNXT_QPLIB_ACCESS_ZERO_BASED	BIT(5)
#define BNXT_QPLIB_ACCESS_ON_DEMAND	BIT(6)

int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
			struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
			struct bnxt_qplib_gid *gid);
int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
			struct bnxt_qplib_gid *gid, bool update);
int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
			struct bnxt_qplib_gid *gid, u8 *mac, u16 vlan_id,
			bool update, u32 *index);
int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
			struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index,
			u16 *pkey);
int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res,
			struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
			bool update);
int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
			struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
			bool update);
int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
			    struct bnxt_qplib_dev_attr *attr);
int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah);
int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah);
int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
			 struct bnxt_qplib_mrw *mrw);
int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
			 bool block);
int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
		      u64 *pbl_tbl, int num_pbls, bool block);
int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr);
int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res,
				 struct bnxt_qplib_mrw *mr, int max);
int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
					struct bnxt_qplib_frpl *frpl, int max);
int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
				       struct bnxt_qplib_frpl *frpl);
int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids);
#endif /* __BNXT_QPLIB_SP_H__*/
Commit	Line	Data
1ac5a404 SX	1	/*
	2	* Broadcom NetXtreme-E RoCE driver.
	3	*
	4	* Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term
	5	* Broadcom refers to Broadcom Limited and/or its subsidiaries.
	6	*
	7	* This software is available to you under a choice of one of two
	8	* licenses. You may choose to be licensed under the terms of the GNU
	9	* General Public License (GPL) Version 2, available from the file
	10	* COPYING in the main directory of this source tree, or the
	11	* BSD license below:
	12	*
	13	* Redistribution and use in source and binary forms, with or without
	14	* modification, are permitted provided that the following conditions
	15	* are met:
	16	*
	17	* 1. Redistributions of source code must retain the above copyright
	18	* notice, this list of conditions and the following disclaimer.
	19	* 2. Redistributions in binary form must reproduce the above copyright
	20	* notice, this list of conditions and the following disclaimer in
	21	* the documentation and/or other materials provided with the
	22	* distribution.
	23	*
	24	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
	25	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	26	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	27	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
	28	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	29	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	30	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
	31	* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	32	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
	33	* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
	34	* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	35	*
	36	* Description: Slow Path Operators (header)
	37	*
	38	*/
	39
	40	#ifndef __BNXT_QPLIB_SP_H__
	41	#define __BNXT_QPLIB_SP_H__
	42
9152e0b7 EW	43	#define BNXT_QPLIB_RESERVED_QP_WRS 128
9152e0b7 EW	44
254cd259 DS	45	#define PCI_EXP_DEVCTL2_ATOMIC_REQ 0x0040
254cd259 DS	46
1ac5a404 SX	47	struct bnxt_qplib_dev_attr {
	48	char fw_ver[32];
	49	u16 max_sgid;
	50	u16 max_mrw;
	51	u32 max_qp;
	52	#define BNXT_QPLIB_MAX_OUT_RD_ATOM 126
	53	u32 max_qp_rd_atom;
	54	u32 max_qp_init_rd_atom;
	55	u32 max_qp_wqes;
	56	u32 max_qp_sges;
	57	u32 max_cq;
	58	u32 max_cq_wqes;
	59	u32 max_cq_sges;
	60	u32 max_mr;
	61	u64 max_mr_size;
	62	u32 max_pd;
	63	u32 max_mw;
	64	u32 max_raw_ethy_qp;
	65	u32 max_ah;
	66	u32 max_fmr;
	67	u32 max_map_per_fmr;
	68	u32 max_srq;
	69	u32 max_srq_wqes;
	70	u32 max_srq_sges;
	71	u32 max_pkey;
	72	u32 max_inline_data;
	73	u32 l2_db_size;
	74	u8 tqm_alloc_reqs[MAX_TQM_ALLOC_REQ];
254cd259	75	bool is_atomic;
1ac5a404 SX	76	};
	77
	78	struct bnxt_qplib_pd {
	79	u32 id;
	80	};
	81
	82	struct bnxt_qplib_gid {
	83	u8 data[16];
	84	};
	85
	86	struct bnxt_qplib_ah {
	87	struct bnxt_qplib_gid dgid;
	88	struct bnxt_qplib_pd *pd;
	89	u32 id;
	90	u8 sgid_index;
	91	/* For Query AH if the hw table and SW table are differnt */
	92	u8 host_sgid_index;
	93	u8 traffic_class;
	94	u32 flow_label;
	95	u8 hop_limit;
	96	u8 sl;
	97	u8 dmac[6];
	98	u16 vlan_id;
	99	u8 nw_type;
	100	};
	101
	102	struct bnxt_qplib_mrw {
	103	struct bnxt_qplib_pd *pd;
	104	int type;
	105	u32 flags;
	106	#define BNXT_QPLIB_FR_PMR 0x80000000
	107	u32 lkey;
	108	u32 rkey;
	109	#define BNXT_QPLIB_RSVD_LKEY 0xFFFFFFFF
	110	u64 va;
	111	u64 total_size;
	112	u32 npages;
	113	u64 mr_handle;
	114	struct bnxt_qplib_hwq hwq;
	115	};
	116
	117	struct bnxt_qplib_frpl {
	118	int max_pg_ptrs;
	119	struct bnxt_qplib_hwq hwq;
	120	};
	121
	122	#define BNXT_QPLIB_ACCESS_LOCAL_WRITE BIT(0)
	123	#define BNXT_QPLIB_ACCESS_REMOTE_READ BIT(1)
	124	#define BNXT_QPLIB_ACCESS_REMOTE_WRITE BIT(2)
	125	#define BNXT_QPLIB_ACCESS_REMOTE_ATOMIC BIT(3)
	126	#define BNXT_QPLIB_ACCESS_MW_BIND BIT(4)
	127	#define BNXT_QPLIB_ACCESS_ZERO_BASED BIT(5)
	128	#define BNXT_QPLIB_ACCESS_ON_DEMAND BIT(6)
	129
	130	int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
	131	struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
	132	struct bnxt_qplib_gid *gid);
	133	int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
	134	struct bnxt_qplib_gid *gid, bool update);
	135	int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
	136	struct bnxt_qplib_gid gid, u8 mac, u16 vlan_id,
	137	bool update, u32 *index);
	138	int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
	139	struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index,
140	u16 *pkey);
141	int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res,
142	struct bnxt_qplib_pkey_tbl pkey_tbl, u16 pkey,
143	bool update);
144	int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
145	struct bnxt_qplib_pkey_tbl pkey_tbl, u16 pkey,
146	bool update);
147	int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
148	struct bnxt_qplib_dev_attr *attr);
149	int bnxt_qplib_create_ah(struct bnxt_qplib_res res, struct bnxt_qplib_ah ah);
150	int bnxt_qplib_destroy_ah(struct bnxt_qplib_res res, struct bnxt_qplib_ah ah);
151	int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
152	struct bnxt_qplib_mrw *mrw);
153	int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res res, struct bnxt_qplib_mrw mrw,
154	bool block);
155	int bnxt_qplib_reg_mr(struct bnxt_qplib_res res, struct bnxt_qplib_mrw mr,
156	u64 *pbl_tbl, int num_pbls, bool block);
157	int bnxt_qplib_free_mrw(struct bnxt_qplib_res res, struct bnxt_qplib_mrw mr);
158	int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res,
159	struct bnxt_qplib_mrw *mr, int max);
160	int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
161	struct bnxt_qplib_frpl *frpl, int max);
162	int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
163	struct bnxt_qplib_frpl *frpl);
164	int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res res, u16 cids);
165	#endif /* __BNXT_QPLIB_SP_H__*/