/*
* 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
* $Id: mthca_pd.c 1349 2004-12-16 21:09:43Z roland $
*/
-#include <linux/init.h>
#include <linux/errno.h>
#include "mthca_dev.h"
-int mthca_pd_alloc(struct mthca_dev *dev, struct mthca_pd *pd)
+int mthca_pd_alloc(struct mthca_dev *dev, int privileged, struct mthca_pd *pd)
{
- int err;
+ int err = 0;
- might_sleep();
+ 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;
- 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);
+ 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)
{
- might_sleep();
- mthca_free_mr(dev, &pd->ntmr);
+ if (pd->privileged)
+ mthca_free_mr(dev, &pd->ntmr);
mthca_free(&dev->pd_table.alloc, pd->pd_num);
}
-int __devinit mthca_init_pd_table(struct mthca_dev *dev)
+int mthca_init_pd_table(struct mthca_dev *dev)
{
return mthca_alloc_init(&dev->pd_table.alloc,
dev->limits.num_pds,
dev->limits.reserved_pds);
}
-void __devexit mthca_cleanup_pd_table(struct mthca_dev *dev)
+void mthca_cleanup_pd_table(struct mthca_dev *dev)
{
/* XXX check if any PDs are still allocated? */
mthca_alloc_cleanup(&dev->pd_table.alloc);