f3781d2e89
They don't get updated by git and so they're worse than useless. Signed-off-by: Roland Dreier <rolandd@cisco.com>
78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
/*
|
|
* Copyright (c) 2005 Topspin Communications. 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 <asm/page.h> /* PAGE_SHIFT */
|
|
|
|
#include "mthca_dev.h"
|
|
#include "mthca_memfree.h"
|
|
|
|
int mthca_uar_alloc(struct mthca_dev *dev, struct mthca_uar *uar)
|
|
{
|
|
uar->index = mthca_alloc(&dev->uar_table.alloc);
|
|
if (uar->index == -1)
|
|
return -ENOMEM;
|
|
|
|
uar->pfn = (pci_resource_start(dev->pdev, 2) >> PAGE_SHIFT) + uar->index;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void mthca_uar_free(struct mthca_dev *dev, struct mthca_uar *uar)
|
|
{
|
|
mthca_free(&dev->uar_table.alloc, uar->index);
|
|
}
|
|
|
|
int mthca_init_uar_table(struct mthca_dev *dev)
|
|
{
|
|
int ret;
|
|
|
|
ret = mthca_alloc_init(&dev->uar_table.alloc,
|
|
dev->limits.num_uars,
|
|
dev->limits.num_uars - 1,
|
|
dev->limits.reserved_uars + 1);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = mthca_init_db_tab(dev);
|
|
if (ret)
|
|
mthca_alloc_cleanup(&dev->uar_table.alloc);
|
|
|
|
return ret;
|
|
}
|
|
|
|
void mthca_cleanup_uar_table(struct mthca_dev *dev)
|
|
{
|
|
mthca_cleanup_db_tab(dev);
|
|
|
|
/* XXX check if any UARs are still allocated? */
|
|
mthca_alloc_cleanup(&dev->uar_table.alloc);
|
|
}
|