Current Path : /sys/ofed/drivers/infiniband/hw/mthca/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/ofed/drivers/infiniband/hw/mthca/mthca_pd.c |
/* * 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); }