You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
102 lines
3.1 KiB
102 lines
3.1 KiB
/*
|
|
* Copyright (c) 2007 Mellanox Technologies. All rights reserved.
|
|
*
|
|
* 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
|
|
* OpenIB.org 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.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
#include <linux/slab.h>
|
|
#include <linux/vmalloc.h>
|
|
#include <linux/mlx4/qp.h>
|
|
|
|
#include "mlx4_en.h"
|
|
|
|
void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,
|
|
int is_tx, int rss, int qpn, int cqn,
|
|
struct mlx4_qp_context *context)
|
|
{
|
|
struct mlx4_en_dev *mdev = priv->mdev;
|
|
|
|
memset(context, 0, sizeof *context);
|
|
context->flags = cpu_to_be32(7 << 16 | rss << 13);
|
|
context->pd = cpu_to_be32(mdev->priv_pdn);
|
|
context->mtu_msgmax = 0xff;
|
|
if (!is_tx && !rss)
|
|
context->rq_size_stride = ilog2(size) << 3 | (ilog2(stride) - 4);
|
|
if (is_tx)
|
|
context->sq_size_stride = ilog2(size) << 3 | (ilog2(stride) - 4);
|
|
else
|
|
context->sq_size_stride = ilog2(TXBB_SIZE) - 4;
|
|
context->usr_page = cpu_to_be32(mdev->priv_uar.index);
|
|
context->local_qpn = cpu_to_be32(qpn);
|
|
context->pri_path.ackto = 1 & 0x07;
|
|
context->pri_path.sched_queue = 0x83 | (priv->port - 1) << 6;
|
|
context->pri_path.counter_index = 0xff;
|
|
context->cqn_send = cpu_to_be32(cqn);
|
|
context->cqn_recv = cpu_to_be32(cqn);
|
|
context->db_rec_addr = cpu_to_be64(priv->res.db.dma << 2);
|
|
}
|
|
|
|
|
|
int mlx4_en_map_buffer(struct mlx4_buf *buf)
|
|
{
|
|
struct page **pages;
|
|
int i;
|
|
|
|
if (BITS_PER_LONG == 64 || buf->nbufs == 1)
|
|
return 0;
|
|
|
|
pages = kmalloc(sizeof *pages * buf->nbufs, GFP_KERNEL);
|
|
if (!pages)
|
|
return -ENOMEM;
|
|
|
|
for (i = 0; i < buf->nbufs; ++i)
|
|
pages[i] = virt_to_page(buf->page_list[i].buf);
|
|
|
|
buf->direct.buf = vmap(pages, buf->nbufs, VM_MAP, PAGE_KERNEL);
|
|
kfree(pages);
|
|
if (!buf->direct.buf)
|
|
return -ENOMEM;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void mlx4_en_unmap_buffer(struct mlx4_buf *buf)
|
|
{
|
|
if (BITS_PER_LONG == 64 || buf->nbufs == 1)
|
|
return;
|
|
|
|
vunmap(buf->direct.buf);
|
|
}
|
|
|
|
void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event)
|
|
{
|
|
return;
|
|
}
|
|
|
|
|