* General Public License version 2 for more details (a copy is included
* in the LICENSE file that accompanied this code).
*
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 021110-1307, USA
- *
* GPL HEADER END
*/
/*
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012, 2013, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define DEBUG_SUBSYSTEM S_LNET
+#include <libcfs/linux/linux-cpu.h>
#include <libcfs/libcfs.h>
/** Global CPU partition table */
-struct cfs_cpt_table *cfs_cpt_table __read_mostly = NULL;
+struct cfs_cpt_table *cfs_cpt_table __read_mostly;
EXPORT_SYMBOL(cfs_cpt_table);
-#ifndef HAVE_LIBCFS_CPT
+#ifndef CONFIG_SMP
-#define CFS_CPU_VERSION_MAGIC 0xbabecafe
+#define CFS_CPT_DISTANCE 1 /* Arbitrary positive value */
-struct cfs_cpt_table *
-cfs_cpt_table_alloc(unsigned int ncpt)
+struct cfs_cpt_table *cfs_cpt_table_alloc(int ncpt)
{
struct cfs_cpt_table *cptab;
}
LIBCFS_ALLOC(cptab, sizeof(*cptab));
- if (cptab != NULL) {
- cptab->ctb_version = CFS_CPU_VERSION_MAGIC;
- cptab->ctb_nparts = ncpt;
- }
+ if (!cptab)
+ return NULL;
+
+ cpumask_set_cpu(0, cptab->ctb_cpumask);
+ node_set(0, cptab->ctb_nodemask);
return cptab;
}
EXPORT_SYMBOL(cfs_cpt_table_alloc);
-void
-cfs_cpt_table_free(struct cfs_cpt_table *cptab)
+void cfs_cpt_table_free(struct cfs_cpt_table *cptab)
{
- LASSERT(cptab->ctb_version == CFS_CPU_VERSION_MAGIC);
-
LIBCFS_FREE(cptab, sizeof(*cptab));
}
EXPORT_SYMBOL(cfs_cpt_table_free);
-int
-cfs_cpt_number(struct cfs_cpt_table *cptab)
+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);
+
+int cfs_cpt_distance_print(struct cfs_cpt_table *cptab, char *buf, int len)
+{
+ int rc;
+
+ rc = snprintf(buf, len, "0\t: 0:%d\n", CFS_CPT_DISTANCE);
+ len -= rc;
+ if (len <= 0)
+ return -EFBIG;
+
+ return rc;
+}
+EXPORT_SYMBOL(cfs_cpt_distance_print);
+
+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)
+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)
+int cfs_cpt_online(struct cfs_cpt_table *cptab, int cpt)
{
return 1;
}
EXPORT_SYMBOL(cfs_cpt_online);
-int
-cfs_cpt_set_cpu(struct cfs_cpt_table *cptab, int cpt, int cpu)
+cpumask_t *cfs_cpt_cpumask(struct cfs_cpt_table *cptab, int cpt)
+{
+ return &cptab->ctb_cpumask;
+}
+EXPORT_SYMBOL(cfs_cpt_cpumask);
+
+nodemask_t *cfs_cpt_nodemask(struct cfs_cpt_table *cptab, int cpt)
+{
+ return &cptab->ctb_nodemask;
+}
+EXPORT_SYMBOL(cfs_cpt_nodemask);
+
+unsigned int cfs_cpt_distance(struct cfs_cpt_table *cptab, int cpt1, int cpt2)
+{
+ return CFS_CPT_DISTANCE;
+}
+EXPORT_SYMBOL(cfs_cpt_distance);
+
+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)
+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)
+int cfs_cpt_set_cpumask(struct cfs_cpt_table *cptab, int cpt,
+ const 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)
+void cfs_cpt_unset_cpumask(struct cfs_cpt_table *cptab, int cpt,
+ const cpumask_t *mask)
{
}
EXPORT_SYMBOL(cfs_cpt_unset_cpumask);
-int
-cfs_cpt_set_node(struct cfs_cpt_table *cptab, int cpt, int node)
+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)
+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)
+int cfs_cpt_set_nodemask(struct cfs_cpt_table *cptab, int cpt,
+ const 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)
+void cfs_cpt_unset_nodemask(struct cfs_cpt_table *cptab, int cpt,
+ const 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)
+int cfs_cpt_spread_node(struct cfs_cpt_table *cptab, int cpt)
{
return 0;
}
EXPORT_SYMBOL(cfs_cpt_spread_node);
-int
-cfs_cpt_current(struct cfs_cpt_table *cptab, int remap)
+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)
+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)
+int cfs_cpt_of_node(struct cfs_cpt_table *cptab, int node)
+{
+ return 0;
+}
+EXPORT_SYMBOL(cfs_cpt_of_node);
+
+int cfs_cpt_bind(struct cfs_cpt_table *cptab, int cpt)
{
return 0;
}
EXPORT_SYMBOL(cfs_cpt_bind);
-void
-cfs_cpu_fini(void)
+void cfs_cpu_fini(void)
{
- if (cfs_cpt_table != NULL) {
+ if (cfs_cpt_table) {
cfs_cpt_table_free(cfs_cpt_table);
cfs_cpt_table = NULL;
}
}
-int
-cfs_cpu_init(void)
+int cfs_cpu_init(void)
{
cfs_cpt_table = cfs_cpt_table_alloc(1);
- return cfs_cpt_table != NULL ? 0 : -1;
+ return cfs_cpt_table ? 0 : -1;
}
-#endif /* HAVE_LIBCFS_CPT */
+#endif /* !CONFIG_SMP */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff