ocrdma_hw.h

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/*******************************************************************
 * This file is part of the Emulex RoCE Device Driver for          *
 * RoCE (RDMA over Converged Ethernet) CNA Adapters.              *
 * Copyright (C) 2008-2012 Emulex. All rights reserved.            *
 * EMULEX and SLI are trademarks of Emulex.                        *
 * www.emulex.com                                                  *
 *                                                                 *
 * This program is free software; you can redistribute it and/or   *
 * modify it under the terms of version 2 of the GNU General       *
 * Public License as published by the Free Software Foundation.    *
 * This program is distributed in the hope that it will be useful. *
 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
 * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
 * more details, a copy of which can be found in the file COPYING  *
 * included with this package.                                     *
 *
 * Contact Information:
 * [email protected]
 *
 * 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
}

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_query_config(struct ocrdma_dev *,
            struct ocrdma_mbx_query_config *config);
int ocrdma_resolve_dgid(struct ocrdma_dev *, union ib_gid *dgid, u8 *mac_addr);

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);
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,
             enum ib_qp_state old_qps);
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_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_machine(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 *);

#endif              /* __OCRDMA_HW_H__ */