linux/drivers/infiniband/hw/i40iw/i40iw_vf.c

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* Copyright (c) 2015-2016 Intel Corporation.  All rights reserved.
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#include "i40iw_osdep.h"
#include "i40iw_register.h"
#include "i40iw_status.h"
#include "i40iw_hmc.h"
#include "i40iw_d.h"
#include "i40iw_type.h"
#include "i40iw_p.h"
#include "i40iw_vf.h"

/**
 * i40iw_manage_vf_pble_bp - manage vf pble
 * @cqp: cqp for cqp' sq wqe
 * @info: pble info
 * @scratch: pointer for completion
 * @post_sq: to post and ring
 */
enum i40iw_status_code i40iw_manage_vf_pble_bp(struct i40iw_sc_cqp *cqp,
					       struct i40iw_manage_vf_pble_info *info,
					       u64 scratch,
					       bool post_sq)
{
	u64 *wqe;
	u64 temp, header, pd_pl_pba = 0;

	wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
	if (!wqe)
		return I40IW_ERR_RING_FULL;

	temp = LS_64(info->pd_entry_cnt, I40IW_CQPSQ_MVPBP_PD_ENTRY_CNT) |
	    LS_64(info->first_pd_index, I40IW_CQPSQ_MVPBP_FIRST_PD_INX) |
	    LS_64(info->sd_index, I40IW_CQPSQ_MVPBP_SD_INX);
	set_64bit_val(wqe, 16, temp);

	header = LS_64((info->inv_pd_ent ? 1 : 0), I40IW_CQPSQ_MVPBP_INV_PD_ENT) |
	    LS_64(I40IW_CQP_OP_MANAGE_VF_PBLE_BP, I40IW_CQPSQ_OPCODE) |
	    LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
	set_64bit_val(wqe, 24, header);

	pd_pl_pba = LS_64(info->pd_pl_pba >> 3, I40IW_CQPSQ_MVPBP_PD_PLPBA);
	set_64bit_val(wqe, 32, pd_pl_pba);

	i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "MANAGE VF_PBLE_BP WQE", wqe, I40IW_CQP_WQE_SIZE * 8);

	if (post_sq)
		i40iw_sc_cqp_post_sq(cqp);
	return 0;
}

const struct i40iw_vf_cqp_ops iw_vf_cqp_ops = {
	i40iw_manage_vf_pble_bp
};