These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / infiniband / hw / ehca / ehca_pd.c

diff --git a/kernel/drivers/infiniband/hw/ehca/ehca_pd.c b/kernel/drivers/infiniband/hw/ehca/ehca_pd.c
deleted file mode 100644 (file)
index 351577a..0000000
--- a/kernel/drivers/infiniband/hw/ehca/ehca_pd.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- *  IBM eServer eHCA Infiniband device driver for Linux on POWER
- *
- *  PD functions
- *
- *  Authors: Christoph Raisch <raisch@de.ibm.com>
- *
- *  Copyright (c) 2005 IBM Corporation
- *
- *  All rights reserved.
- *
- *  This source code is distributed under a dual license of GPL v2.0 and OpenIB
- *  BSD.
- *
- * OpenIB BSD License
- *
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
- * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <linux/slab.h>
-
-#include "ehca_tools.h"
-#include "ehca_iverbs.h"
-
-static struct kmem_cache *pd_cache;
-
-struct ib_pd *ehca_alloc_pd(struct ib_device *device,
-                           struct ib_ucontext *context, struct ib_udata *udata)
-{
-       struct ehca_pd *pd;
-       int i;
-
-       pd = kmem_cache_zalloc(pd_cache, GFP_KERNEL);
-       if (!pd) {
-               ehca_err(device, "device=%p context=%p out of memory",
-                        device, context);
-               return ERR_PTR(-ENOMEM);
-       }
-
-       for (i = 0; i < 2; i++) {
-               INIT_LIST_HEAD(&pd->free[i]);
-               INIT_LIST_HEAD(&pd->full[i]);
-       }
-       mutex_init(&pd->lock);
-
-       /*
-        * Kernel PD: when device = -1, 0
-        * User   PD: when context != -1
-        */
-       if (!context) {
-               /*
-                * Kernel PDs after init reuses always
-                * the one created in ehca_shca_reopen()
-                */
-               struct ehca_shca *shca = container_of(device, struct ehca_shca,
-                                                     ib_device);
-               pd->fw_pd.value = shca->pd->fw_pd.value;
-       } else
-               pd->fw_pd.value = (u64)pd;
-
-       return &pd->ib_pd;
-}
-
-int ehca_dealloc_pd(struct ib_pd *pd)
-{
-       struct ehca_pd *my_pd = container_of(pd, struct ehca_pd, ib_pd);
-       int i, leftovers = 0;
-       struct ipz_small_queue_page *page, *tmp;
-
-       for (i = 0; i < 2; i++) {
-               list_splice(&my_pd->full[i], &my_pd->free[i]);
-               list_for_each_entry_safe(page, tmp, &my_pd->free[i], list) {
-                       leftovers = 1;
-                       free_page(page->page);
-                       kmem_cache_free(small_qp_cache, page);
-               }
-       }
-
-       if (leftovers)
-               ehca_warn(pd->device,
-                         "Some small queue pages were not freed");
-
-       kmem_cache_free(pd_cache, my_pd);
-
-       return 0;
-}
-
-int ehca_init_pd_cache(void)
-{
-       pd_cache = kmem_cache_create("ehca_cache_pd",
-                                    sizeof(struct ehca_pd), 0,
-                                    SLAB_HWCACHE_ALIGN,
-                                    NULL);
-       if (!pd_cache)
-               return -ENOMEM;
-       return 0;
-}
-
-void ehca_cleanup_pd_cache(void)
-{
-       if (pd_cache)
-               kmem_cache_destroy(pd_cache);
-}