[deliverable/linux.git] / drivers / infiniband / hw / ocrdma / ocrdma_hw.h

/* This file is part of the Emulex RoCE Device Driver for
 * RoCE (RDMA over Converged Ethernet) adapters.
 * Copyright (C) 2012-2015 Emulex. All rights reserved.
 * EMULEX and SLI are trademarks of Emulex.
 * www.emulex.com
 *
 * 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:
 *
 * - 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
 *
 * Contact Information:
 * linux-drivers@emulex.com
 *
 * Emulex
 * 3333 Susan Street
 * Costa Mesa, CA 92626
 */

#ifndef __OCRDMA_HW_H__
#define __OCRDMA_HW_H__

#include "ocrdma_sli.h"

static inline void ocrdma_cpu_to_le32(void *dst, u32 len)
{
#ifdef __BIG_ENDIAN
	int i = 0;
	u32 *src_ptr = dst;
	u32 *dst_ptr = dst;
	for (; i < (len / 4); i++)
		*(dst_ptr + i) = cpu_to_le32p(src_ptr + i);
#endif
}

static inline void ocrdma_le32_to_cpu(void *dst, u32 len)
{
#ifdef __BIG_ENDIAN
	int i = 0;
	u32 *src_ptr = dst;
	u32 *dst_ptr = dst;
	for (; i < (len / sizeof(u32)); i++)
		*(dst_ptr + i) = le32_to_cpu(*(src_ptr + i));
#endif
}

static inline void ocrdma_copy_cpu_to_le32(void *dst, void *src, u32 len)
{
#ifdef __BIG_ENDIAN
	int i = 0;
	u32 *src_ptr = src;
	u32 *dst_ptr = dst;
	for (; i < (len / sizeof(u32)); i++)
		*(dst_ptr + i) = cpu_to_le32p(src_ptr + i);
#else
	memcpy(dst, src, len);
#endif
}

static inline void ocrdma_copy_le32_to_cpu(void *dst, void *src, u32 len)
{
#ifdef __BIG_ENDIAN
	int i = 0;
	u32 *src_ptr = src;
	u32 *dst_ptr = dst;
	for (; i < len / sizeof(u32); i++)
		*(dst_ptr + i) = le32_to_cpu(*(src_ptr + i));
#else
	memcpy(dst, src, len);
#endif
}

static inline u64 ocrdma_get_db_addr(struct ocrdma_dev *dev, u32 pdid)
{
	return dev->nic_info.unmapped_db + (pdid * dev->nic_info.db_page_size);
}

int ocrdma_init_hw(struct ocrdma_dev *);
void ocrdma_cleanup_hw(struct ocrdma_dev *);

enum ib_qp_state get_ibqp_state(enum ocrdma_qp_state qps);
void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed,
		       bool solicited, u16 cqe_popped);

/* verbs specific mailbox commands */
int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed);
int ocrdma_query_config(struct ocrdma_dev *,
			struct ocrdma_mbx_query_config *config);

int ocrdma_mbx_alloc_pd(struct ocrdma_dev *, struct ocrdma_pd *);
int ocrdma_mbx_dealloc_pd(struct ocrdma_dev *, struct ocrdma_pd *);

int ocrdma_mbx_alloc_lkey(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr,
			  u32 pd_id, int addr_check);
int ocrdma_mbx_dealloc_lkey(struct ocrdma_dev *, int fmr, u32 lkey);

int ocrdma_reg_mr(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr,
			u32 pd_id, int acc);
int ocrdma_mbx_create_cq(struct ocrdma_dev *, struct ocrdma_cq *,
				int entries, int dpp_cq, u16 pd_id);
int ocrdma_mbx_destroy_cq(struct ocrdma_dev *, struct ocrdma_cq *);

int ocrdma_mbx_create_qp(struct ocrdma_qp *, struct ib_qp_init_attr *attrs,
			 u8 enable_dpp_cq, u16 dpp_cq_id, u16 *dpp_offset,
			 u16 *dpp_credit_lmt);
int ocrdma_mbx_modify_qp(struct ocrdma_dev *, struct ocrdma_qp *,
			 struct ib_qp_attr *attrs, int attr_mask);
int ocrdma_mbx_query_qp(struct ocrdma_dev *, struct ocrdma_qp *,
			struct ocrdma_qp_params *param);
int ocrdma_mbx_destroy_qp(struct ocrdma_dev *, struct ocrdma_qp *);
int ocrdma_mbx_create_srq(struct ocrdma_dev *, struct ocrdma_srq *,
			  struct ib_srq_init_attr *,
			  struct ocrdma_pd *);
int ocrdma_mbx_modify_srq(struct ocrdma_srq *, struct ib_srq_attr *);
int ocrdma_mbx_query_srq(struct ocrdma_srq *, struct ib_srq_attr *);
int ocrdma_mbx_destroy_srq(struct ocrdma_dev *, struct ocrdma_srq *);

int ocrdma_alloc_av(struct ocrdma_dev *, struct ocrdma_ah *);
int ocrdma_free_av(struct ocrdma_dev *, struct ocrdma_ah *);

int ocrdma_qp_state_change(struct ocrdma_qp *, enum ib_qp_state new_state,
			    enum ib_qp_state *old_ib_state);
bool ocrdma_is_qp_in_sq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *);
bool ocrdma_is_qp_in_rq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *);
void ocrdma_flush_qp(struct ocrdma_qp *);
int ocrdma_get_irq(struct ocrdma_dev *dev, struct ocrdma_eq *eq);

int ocrdma_mbx_rdma_stats(struct ocrdma_dev *, bool reset);
char *port_speed_string(struct ocrdma_dev *dev);
void ocrdma_init_service_level(struct ocrdma_dev *);
void ocrdma_alloc_pd_pool(struct ocrdma_dev *dev);
void ocrdma_free_pd_range(struct ocrdma_dev *dev);

#endif				/* __OCRDMA_HW_H__ */
Commit	Line	Data
71ee6730 DS	1	/* This file is part of the Emulex RoCE Device Driver for
	2	* RoCE (RDMA over Converged Ethernet) adapters.
	3	* Copyright (C) 2012-2015 Emulex. All rights reserved.
	4	* EMULEX and SLI are trademarks of Emulex.
	5	* www.emulex.com
	6	*
	7	* This software is available to you under a choice of one of two licenses.
	8	* You may choose to be licensed under the terms of the GNU General Public
	9	* License (GPL) Version 2, available from the file COPYING in the main
	10	* directory of this source tree, or the BSD license below:
	11	*
	12	* Redistribution and use in source and binary forms, with or without
	13	* modification, are permitted provided that the following conditions
	14	* are met:
	15	*
	16	* - Redistributions of source code must retain the above copyright notice,
	17	* this list of conditions and the following disclaimer.
	18	*
	19	* - 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 distribution.
	22	*
	23	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	24	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE
	25	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	26	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
	27	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	28	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	29	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
	30	* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	31	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
	32	* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
	33	* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
fe2caefc PP	34	*
	35	* Contact Information:
	36	* linux-drivers@emulex.com
	37	*
	38	* Emulex
	39	* 3333 Susan Street
	40	* Costa Mesa, CA 92626
71ee6730	41	*/
fe2caefc PP	42
	43	#ifndef __OCRDMA_HW_H__
	44	#define __OCRDMA_HW_H__
	45
	46	#include "ocrdma_sli.h"
	47
	48	static inline void ocrdma_cpu_to_le32(void *dst, u32 len)
	49	{
	50	#ifdef __BIG_ENDIAN
	51	int i = 0;
	52	u32 *src_ptr = dst;
	53	u32 *dst_ptr = dst;
	54	for (; i < (len / 4); i++)
	55	*(dst_ptr + i) = cpu_to_le32p(src_ptr + i);
	56	#endif
	57	}
	58
	59	static inline void ocrdma_le32_to_cpu(void *dst, u32 len)
	60	{
	61	#ifdef __BIG_ENDIAN
	62	int i = 0;
	63	u32 *src_ptr = dst;
	64	u32 *dst_ptr = dst;
	65	for (; i < (len / sizeof(u32)); i++)
	66	(dst_ptr + i) = le32_to_cpu((src_ptr + i));
	67	#endif
	68	}
	69
	70	static inline void ocrdma_copy_cpu_to_le32(void dst, void src, u32 len)
	71	{
	72	#ifdef __BIG_ENDIAN
	73	int i = 0;
	74	u32 *src_ptr = src;
	75	u32 *dst_ptr = dst;
	76	for (; i < (len / sizeof(u32)); i++)
	77	*(dst_ptr + i) = cpu_to_le32p(src_ptr + i);
	78	#else
	79	memcpy(dst, src, len);
	80	#endif
	81	}
	82
	83	static inline void ocrdma_copy_le32_to_cpu(void dst, void src, u32 len)
	84	{
	85	#ifdef __BIG_ENDIAN
	86	int i = 0;
	87	u32 *src_ptr = src;
	88	u32 *dst_ptr = dst;
	89	for (; i < len / sizeof(u32); i++)
	90	(dst_ptr + i) = le32_to_cpu((src_ptr + i));
	91	#else
	92	memcpy(dst, src, len);
	93	#endif
	94	}
	95
cffce990 NG	96	static inline u64 ocrdma_get_db_addr(struct ocrdma_dev *dev, u32 pdid)
	97	{
	98	return dev->nic_info.unmapped_db + (pdid * dev->nic_info.db_page_size);
	99	}
	100
fe2caefc PP	101	int ocrdma_init_hw(struct ocrdma_dev *);
	102	void ocrdma_cleanup_hw(struct ocrdma_dev *);
	103
	104	enum ib_qp_state get_ibqp_state(enum ocrdma_qp_state qps);
	105	void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed,
	106	bool solicited, u16 cqe_popped);
	107
	108	/* verbs specific mailbox commands */
f24ceba6	109	int ocrdma_mbx_get_link_speed(struct ocrdma_dev dev, u8 lnk_speed);
fe2caefc PP	110	int ocrdma_query_config(struct ocrdma_dev *,
fe2caefc PP	111	struct ocrdma_mbx_query_config *config);
fe2caefc PP	112
	113	int ocrdma_mbx_alloc_pd(struct ocrdma_dev , struct ocrdma_pd );
	114	int ocrdma_mbx_dealloc_pd(struct ocrdma_dev , struct ocrdma_pd );
	115
	116	int ocrdma_mbx_alloc_lkey(struct ocrdma_dev , struct ocrdma_hw_mr hwmr,
	117	u32 pd_id, int addr_check);
	118	int ocrdma_mbx_dealloc_lkey(struct ocrdma_dev *, int fmr, u32 lkey);
	119
	120	int ocrdma_reg_mr(struct ocrdma_dev , struct ocrdma_hw_mr hwmr,
	121	u32 pd_id, int acc);
	122	int ocrdma_mbx_create_cq(struct ocrdma_dev , struct ocrdma_cq ,
cffce990	123	int entries, int dpp_cq, u16 pd_id);
fe2caefc PP	124	int ocrdma_mbx_destroy_cq(struct ocrdma_dev , struct ocrdma_cq );
	125
	126	int ocrdma_mbx_create_qp(struct ocrdma_qp , struct ib_qp_init_attr attrs,
	127	u8 enable_dpp_cq, u16 dpp_cq_id, u16 *dpp_offset,
	128	u16 *dpp_credit_lmt);
	129	int ocrdma_mbx_modify_qp(struct ocrdma_dev , struct ocrdma_qp ,
bc1b04ab	130	struct ib_qp_attr *attrs, int attr_mask);
fe2caefc PP	131	int ocrdma_mbx_query_qp(struct ocrdma_dev , struct ocrdma_qp ,
	132	struct ocrdma_qp_params *param);
	133	int ocrdma_mbx_destroy_qp(struct ocrdma_dev , struct ocrdma_qp );
1afc0454	134	int ocrdma_mbx_create_srq(struct ocrdma_dev , struct ocrdma_srq ,
fe2caefc PP	135	struct ib_srq_init_attr *,
	136	struct ocrdma_pd *);
	137	int ocrdma_mbx_modify_srq(struct ocrdma_srq , struct ib_srq_attr );
	138	int ocrdma_mbx_query_srq(struct ocrdma_srq , struct ib_srq_attr );
	139	int ocrdma_mbx_destroy_srq(struct ocrdma_dev , struct ocrdma_srq );
	140
	141	int ocrdma_alloc_av(struct ocrdma_dev , struct ocrdma_ah );
	142	int ocrdma_free_av(struct ocrdma_dev , struct ocrdma_ah );
	143
057729cb	144	int ocrdma_qp_state_change(struct ocrdma_qp *, enum ib_qp_state new_state,
fe2caefc PP	145	enum ib_qp_state *old_ib_state);
	146	bool ocrdma_is_qp_in_sq_flushlist(struct ocrdma_cq , struct ocrdma_qp );
	147	bool ocrdma_is_qp_in_rq_flushlist(struct ocrdma_cq , struct ocrdma_qp );
	148	void ocrdma_flush_qp(struct ocrdma_qp *);
ea617626	149	int ocrdma_get_irq(struct ocrdma_dev dev, struct ocrdma_eq eq);
fe2caefc	150
a51f06e1 SX	151	int ocrdma_mbx_rdma_stats(struct ocrdma_dev *, bool reset);
a51f06e1 SX	152	char port_speed_string(struct ocrdma_dev dev);
31dbdd9a	153	void ocrdma_init_service_level(struct ocrdma_dev *);
9ba1377d MA	154	void ocrdma_alloc_pd_pool(struct ocrdma_dev *dev);
9ba1377d MA	155	void ocrdma_free_pd_range(struct ocrdma_dev *dev);
31dbdd9a	156
fe2caefc	157	#endif /* __OCRDMA_HW_H__ */