/*
* Copyright ( c ) 2004 Topspin Communications . All rights reserved .
* Copyright ( c ) 2005 Cisco Systems . All rights reserved .
* Copyright ( c ) 2005 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/errno.h>
#include "mthca_dev.h"
int mthca_pd_alloc(struct mthca_dev *dev, int privileged, struct mthca_pd *pd)
{
int err = 0 ;
pd->privileged = privileged;
atomic_set(&pd->sqp_count, 0 );
pd->pd_num = mthca_alloc(&dev->pd_table.alloc);
if (pd->pd_num == -1 )
return -ENOMEM;
if (privileged) {
err = mthca_mr_alloc_notrans(dev, pd->pd_num,
MTHCA_MPT_FLAG_LOCAL_READ |
MTHCA_MPT_FLAG_LOCAL_WRITE,
&pd->ntmr);
if (err)
mthca_free(&dev->pd_table.alloc, pd->pd_num);
}
return err;
}
void mthca_pd_free(struct mthca_dev *dev, struct mthca_pd *pd)
{
if (pd->privileged)
mthca_free_mr(dev, &pd->ntmr);
mthca_free(&dev->pd_table.alloc, pd->pd_num);
}
int mthca_init_pd_table(struct mthca_dev *dev)
{
return mthca_alloc_init(&dev->pd_table.alloc,
dev->limits.num_pds,
(1 << 24 ) - 1 ,
dev->limits.reserved_pds);
}
void mthca_cleanup_pd_table(struct mthca_dev *dev)
{
/* XXX check if any PDs are still allocated? */
mthca_alloc_cleanup(&dev->pd_table.alloc);
}
Messung V0.5 in Prozent C=92 H=95 G=93
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-09-28)
¤
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