diff options
Diffstat (limited to 'drivers/staging/lustre/lnet/libcfs/libcfs_cpu.c')
| -rw-r--r-- | drivers/staging/lustre/lnet/libcfs/libcfs_cpu.c | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/drivers/staging/lustre/lnet/libcfs/libcfs_cpu.c b/drivers/staging/lustre/lnet/libcfs/libcfs_cpu.c deleted file mode 100644 index 76291a350406..000000000000 --- a/drivers/staging/lustre/lnet/libcfs/libcfs_cpu.c +++ /dev/null @@ -1,228 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * GPL HEADER START - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 only, - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License version 2 for more details (a copy is included - * in the LICENSE file that accompanied this code). - * - * GPL HEADER END - */ -/* - * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2012, Intel Corporation. - */ -/* - * This file is part of Lustre, http://www.lustre.org/ - * Lustre is a trademark of Sun Microsystems, Inc. - * - * Please see comments in libcfs/include/libcfs/libcfs_cpu.h for introduction - * - * Author: liang@whamcloud.com - */ - -#define DEBUG_SUBSYSTEM S_LNET - -#include <linux/libcfs/libcfs.h> - -/** Global CPU partition table */ -struct cfs_cpt_table *cfs_cpt_table __read_mostly; -EXPORT_SYMBOL(cfs_cpt_table); - -#ifndef HAVE_LIBCFS_CPT - -#define CFS_CPU_VERSION_MAGIC 0xbabecafe - -struct cfs_cpt_table * -cfs_cpt_table_alloc(unsigned int ncpt) -{ - struct cfs_cpt_table *cptab; - - if (ncpt != 1) { - CERROR("Can't support cpu partition number %d\n", ncpt); - return NULL; - } - - cptab = kzalloc(sizeof(*cptab), GFP_NOFS); - if (cptab) { - cptab->ctb_version = CFS_CPU_VERSION_MAGIC; - node_set(0, cptab->ctb_nodemask); - cptab->ctb_nparts = ncpt; - } - - return cptab; -} -EXPORT_SYMBOL(cfs_cpt_table_alloc); - -void -cfs_cpt_table_free(struct cfs_cpt_table *cptab) -{ - LASSERT(cptab->ctb_version == CFS_CPU_VERSION_MAGIC); - - kfree(cptab); -} -EXPORT_SYMBOL(cfs_cpt_table_free); - -#ifdef CONFIG_SMP -int -cfs_cpt_table_print(struct cfs_cpt_table *cptab, char *buf, int len) -{ - int rc; - - rc = snprintf(buf, len, "%d\t: %d\n", 0, 0); - len -= rc; - if (len <= 0) - return -EFBIG; - - return rc; -} -EXPORT_SYMBOL(cfs_cpt_table_print); -#endif /* CONFIG_SMP */ - -int -cfs_cpt_number(struct cfs_cpt_table *cptab) -{ - return 1; -} -EXPORT_SYMBOL(cfs_cpt_number); - -int -cfs_cpt_weight(struct cfs_cpt_table *cptab, int cpt) -{ - return 1; -} -EXPORT_SYMBOL(cfs_cpt_weight); - -int -cfs_cpt_online(struct cfs_cpt_table *cptab, int cpt) -{ - return 1; -} -EXPORT_SYMBOL(cfs_cpt_online); - -nodemask_t * -cfs_cpt_nodemask(struct cfs_cpt_table *cptab, int cpt) -{ - return &cptab->ctb_nodemask; -} -EXPORT_SYMBOL(cfs_cpt_nodemask); - -int -cfs_cpt_set_cpu(struct cfs_cpt_table *cptab, int cpt, int cpu) -{ - return 1; -} -EXPORT_SYMBOL(cfs_cpt_set_cpu); - -void -cfs_cpt_unset_cpu(struct cfs_cpt_table *cptab, int cpt, int cpu) -{ -} -EXPORT_SYMBOL(cfs_cpt_unset_cpu); - -int -cfs_cpt_set_cpumask(struct cfs_cpt_table *cptab, int cpt, cpumask_t *mask) -{ - return 1; -} -EXPORT_SYMBOL(cfs_cpt_set_cpumask); - -void -cfs_cpt_unset_cpumask(struct cfs_cpt_table *cptab, int cpt, cpumask_t *mask) -{ -} -EXPORT_SYMBOL(cfs_cpt_unset_cpumask); - -int -cfs_cpt_set_node(struct cfs_cpt_table *cptab, int cpt, int node) -{ - return 1; -} -EXPORT_SYMBOL(cfs_cpt_set_node); - -void -cfs_cpt_unset_node(struct cfs_cpt_table *cptab, int cpt, int node) -{ -} -EXPORT_SYMBOL(cfs_cpt_unset_node); - -int -cfs_cpt_set_nodemask(struct cfs_cpt_table *cptab, int cpt, nodemask_t *mask) -{ - return 1; -} -EXPORT_SYMBOL(cfs_cpt_set_nodemask); - -void -cfs_cpt_unset_nodemask(struct cfs_cpt_table *cptab, int cpt, nodemask_t *mask) -{ -} -EXPORT_SYMBOL(cfs_cpt_unset_nodemask); - -void -cfs_cpt_clear(struct cfs_cpt_table *cptab, int cpt) -{ -} -EXPORT_SYMBOL(cfs_cpt_clear); - -int -cfs_cpt_spread_node(struct cfs_cpt_table *cptab, int cpt) -{ - return 0; -} -EXPORT_SYMBOL(cfs_cpt_spread_node); - -int -cfs_cpu_ht_nsiblings(int cpu) -{ - return 1; -} -EXPORT_SYMBOL(cfs_cpu_ht_nsiblings); - -int -cfs_cpt_current(struct cfs_cpt_table *cptab, int remap) -{ - return 0; -} -EXPORT_SYMBOL(cfs_cpt_current); - -int -cfs_cpt_of_cpu(struct cfs_cpt_table *cptab, int cpu) -{ - return 0; -} -EXPORT_SYMBOL(cfs_cpt_of_cpu); - -int -cfs_cpt_bind(struct cfs_cpt_table *cptab, int cpt) -{ - return 0; -} -EXPORT_SYMBOL(cfs_cpt_bind); - -void -cfs_cpu_fini(void) -{ - if (cfs_cpt_table) { - cfs_cpt_table_free(cfs_cpt_table); - cfs_cpt_table = NULL; - } -} - -int -cfs_cpu_init(void) -{ - cfs_cpt_table = cfs_cpt_table_alloc(1); - - return cfs_cpt_table ? 0 : -1; -} - -#endif /* HAVE_LIBCFS_CPT */ |