#include <stdbool.h>
#include "compiler.h"
+#include "list.h"
#define OVS_CORE_UNSPEC INT_MAX
#define OVS_NUMA_UNSPEC INT_MAX
+/* Dump of a list of 'struct ovs_numa_info'. */
+struct ovs_numa_dump {
+ struct ovs_list dump;
+};
+
+/* A numa_id - core_id pair. */
+struct ovs_numa_info {
+ struct ovs_list list_node;
+ int numa_id;
+ unsigned core_id;
+};
+
#ifdef __linux__
void ovs_numa_init(void);
bool ovs_numa_numa_id_is_valid(int numa_id);
-bool ovs_numa_core_id_is_valid(int core_id);
+bool ovs_numa_core_id_is_valid(unsigned core_id);
+bool ovs_numa_core_is_pinned(unsigned core_id);
int ovs_numa_get_n_numas(void);
+void ovs_numa_set_cpu_mask(const char *cmask);
int ovs_numa_get_n_cores(void);
+int ovs_numa_get_numa_id(unsigned core_id);
int ovs_numa_get_n_cores_on_numa(int numa_id);
int ovs_numa_get_n_unpinned_cores_on_numa(int numa_id);
-bool ovs_numa_try_pin_core_specific(int core_id);
-int ovs_numa_get_unpinned_core_any(void);
-int ovs_numa_get_unpinned_core_on_numa(int numa_id);
-void ovs_numa_unpin_core(int core_id);
+bool ovs_numa_try_pin_core_specific(unsigned core_id);
+unsigned ovs_numa_get_unpinned_core_any(void);
+unsigned ovs_numa_get_unpinned_core_on_numa(int numa_id);
+void ovs_numa_unpin_core(unsigned core_id);
+struct ovs_numa_dump *ovs_numa_dump_cores_on_numa(int numa_id);
+void ovs_numa_dump_destroy(struct ovs_numa_dump *);
+
+#define FOR_EACH_CORE_ON_NUMA(ITER, DUMP) \
+ LIST_FOR_EACH((ITER), list_node, &(DUMP)->dump)
#else
}
static inline bool
-ovs_numa_core_id_is_valid(int core_id OVS_UNUSED)
+ovs_numa_core_id_is_valid(unsigned core_id OVS_UNUSED)
+{
+ return false;
+}
+
+static inline bool
+ovs_numa_core_is_pinned(unsigned core_id OVS_UNUSED)
{
return false;
}
+static inline void
+ovs_numa_set_cpu_mask(const char *cmask OVS_UNUSED)
+{
+ /* Nothing */
+}
+
static inline int
ovs_numa_get_n_numas(void)
{
return OVS_CORE_UNSPEC;
}
+static inline int
+ovs_numa_get_numa_id(unsigned core_id OVS_UNUSED)
+{
+ return OVS_NUMA_UNSPEC;
+}
+
static inline int
ovs_numa_get_n_cores_on_numa(int numa_id OVS_UNUSED)
{
}
static inline bool
-ovs_numa_try_pin_core_specific(int core_id OVS_UNUSED)
+ovs_numa_try_pin_core_specific(unsigned core_id OVS_UNUSED)
{
return false;
}
-static inline int
+static inline unsigned
ovs_numa_get_unpinned_core_any(void)
{
return OVS_CORE_UNSPEC;
}
-static inline int
+static inline unsigned
ovs_numa_get_unpinned_core_on_numa(int numa_id OVS_UNUSED)
{
return OVS_CORE_UNSPEC;
}
static inline void
-ovs_numa_unpin_core(int core_id OVS_UNUSED)
+ovs_numa_unpin_core(unsigned core_id OVS_UNUSED)
+{
+ /* Nothing */
+}
+
+static inline struct ovs_numa_dump *
+ovs_numa_dump_cores_on_numa(int numa_id OVS_UNUSED)
+{
+ return NULL;
+}
+
+static inline void
+ovs_numa_dump_destroy(struct ovs_numa_dump *dump OVS_UNUSED)
{
/* Nothing */
}
+/* No loop. */
+#define FOR_EACH_CORE_ON_NUMA(ITER, DUMP) \
+ for ((ITER) = NULL; (ITER);)
+
#endif /* __linux__ */
#endif /* ovs-thead.h */