LXR linux/drivers/infiniband/hw/i40iw/i40iw

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   3* Copyright (c) 2015-2016 Intel Corporation.  All rights reserved.
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   5* This software is available to you under a choice of one of two
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   8* COPYING in the main directory of this source tree, or the
   9* OpenFabrics.org BSD license below:
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  33*******************************************************************************/
  34
  35#include "i40iw_osdep.h"
  36#include "i40iw_register.h"
  37#include "i40iw_status.h"
  38#include "i40iw_hmc.h"
  39#include "i40iw_d.h"
  40#include "i40iw_type.h"
  41#include "i40iw_p.h"
  42#include "i40iw_vf.h"
  43
  44/**
  45 * i40iw_manage_vf_pble_bp - manage vf pble
  46 * @cqp: cqp for cqp' sq wqe
  47 * @info: pble info
  48 * @scratch: pointer for completion
  49 * @post_sq: to post and ring
  50 */
  51enum i40iw_status_code i40iw_manage_vf_pble_bp(struct i40iw_sc_cqp *cqp,
  52                                               struct i40iw_manage_vf_pble_info *info,
  53                                               u64 scratch,
  54                                               bool post_sq)
  55{
  56        u64 *wqe;
  57        u64 temp, header, pd_pl_pba = 0;
  58
  59        wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
  60        if (!wqe)
  61                return I40IW_ERR_RING_FULL;
  62
  63        temp = LS_64(info->pd_entry_cnt, I40IW_CQPSQ_MVPBP_PD_ENTRY_CNT) |
  64            LS_64(info->first_pd_index, I40IW_CQPSQ_MVPBP_FIRST_PD_INX) |
  65            LS_64(info->sd_index, I40IW_CQPSQ_MVPBP_SD_INX);
  66        set_64bit_val(wqe, 16, temp);
  67
  68        header = LS_64((info->inv_pd_ent ? 1 : 0), I40IW_CQPSQ_MVPBP_INV_PD_ENT) |
  69            LS_64(I40IW_CQP_OP_MANAGE_VF_PBLE_BP, I40IW_CQPSQ_OPCODE) |
  70            LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
  71        set_64bit_val(wqe, 24, header);
  72
  73        pd_pl_pba = LS_64(info->pd_pl_pba >> 3, I40IW_CQPSQ_MVPBP_PD_PLPBA);
  74        set_64bit_val(wqe, 32, pd_pl_pba);
  75
  76        i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "MANAGE VF_PBLE_BP WQE", wqe, I40IW_CQP_WQE_SIZE * 8);
  77
  78        if (post_sq)
  79                i40iw_sc_cqp_post_sq(cqp);
  80        return 0;
  81}
  82
  83const struct i40iw_vf_cqp_ops iw_vf_cqp_ops = {
  84        i40iw_manage_vf_pble_bp
  85};
  86