summaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/topology.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/include/asm/topology.h')
-rw-r--r--arch/x86/include/asm/topology.h122
1 files changed, 101 insertions, 21 deletions
diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index 5f87f6b9b09e..ec134b719144 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -102,17 +102,91 @@ static inline void setup_node_to_cpumask_map(void) { }
#include <asm-generic/topology.h>
+/* Topology information */
+enum x86_topology_domains {
+ TOPO_SMT_DOMAIN,
+ TOPO_CORE_DOMAIN,
+ TOPO_MODULE_DOMAIN,
+ TOPO_TILE_DOMAIN,
+ TOPO_DIE_DOMAIN,
+ TOPO_DIEGRP_DOMAIN,
+ TOPO_PKG_DOMAIN,
+ TOPO_MAX_DOMAIN,
+};
+
+enum x86_topology_cpu_type {
+ TOPO_CPU_TYPE_PERFORMANCE,
+ TOPO_CPU_TYPE_EFFICIENCY,
+ TOPO_CPU_TYPE_UNKNOWN,
+};
+
+struct x86_topology_system {
+ unsigned int dom_shifts[TOPO_MAX_DOMAIN];
+ unsigned int dom_size[TOPO_MAX_DOMAIN];
+};
+
+extern struct x86_topology_system x86_topo_system;
+
+static inline unsigned int topology_get_domain_size(enum x86_topology_domains dom)
+{
+ return x86_topo_system.dom_size[dom];
+}
+
+static inline unsigned int topology_get_domain_shift(enum x86_topology_domains dom)
+{
+ return dom == TOPO_SMT_DOMAIN ? 0 : x86_topo_system.dom_shifts[dom - 1];
+}
+
extern const struct cpumask *cpu_coregroup_mask(int cpu);
extern const struct cpumask *cpu_clustergroup_mask(int cpu);
#define topology_logical_package_id(cpu) (cpu_data(cpu).topo.logical_pkg_id)
#define topology_physical_package_id(cpu) (cpu_data(cpu).topo.pkg_id)
#define topology_logical_die_id(cpu) (cpu_data(cpu).topo.logical_die_id)
+#define topology_logical_core_id(cpu) (cpu_data(cpu).topo.logical_core_id)
#define topology_die_id(cpu) (cpu_data(cpu).topo.die_id)
#define topology_core_id(cpu) (cpu_data(cpu).topo.core_id)
#define topology_ppin(cpu) (cpu_data(cpu).ppin)
-extern unsigned int __max_die_per_package;
+#define topology_amd_node_id(cpu) (cpu_data(cpu).topo.amd_node_id)
+
+extern unsigned int __max_dies_per_package;
+extern unsigned int __max_logical_packages;
+extern unsigned int __max_threads_per_core;
+extern unsigned int __num_threads_per_package;
+extern unsigned int __num_cores_per_package;
+
+const char *get_topology_cpu_type_name(struct cpuinfo_x86 *c);
+enum x86_topology_cpu_type get_topology_cpu_type(struct cpuinfo_x86 *c);
+
+static inline unsigned int topology_max_packages(void)
+{
+ return __max_logical_packages;
+}
+
+static inline unsigned int topology_max_dies_per_package(void)
+{
+ return __max_dies_per_package;
+}
+
+static inline unsigned int topology_num_cores_per_package(void)
+{
+ return __num_cores_per_package;
+}
+
+static inline unsigned int topology_num_threads_per_package(void)
+{
+ return __num_threads_per_package;
+}
+
+#ifdef CONFIG_X86_LOCAL_APIC
+int topology_get_logical_id(u32 apicid, enum x86_topology_domains at_level);
+#else
+static inline int topology_get_logical_id(u32 apicid, enum x86_topology_domains at_level)
+{
+ return 0;
+}
+#endif
#ifdef CONFIG_SMP
#define topology_cluster_id(cpu) (cpu_data(cpu).topo.l2c_id)
@@ -121,12 +195,11 @@ extern unsigned int __max_die_per_package;
#define topology_core_cpumask(cpu) (per_cpu(cpu_core_map, cpu))
#define topology_sibling_cpumask(cpu) (per_cpu(cpu_sibling_map, cpu))
-extern unsigned int __max_logical_packages;
-#define topology_max_packages() (__max_logical_packages)
-static inline int topology_max_die_per_package(void)
+static inline int topology_phys_to_logical_pkg(unsigned int pkg)
{
- return __max_die_per_package;
+ return topology_get_logical_id(pkg << x86_topo_system.dom_shifts[TOPO_PKG_DOMAIN],
+ TOPO_PKG_DOMAIN);
}
extern int __max_smt_threads;
@@ -138,9 +211,12 @@ static inline int topology_max_smt_threads(void)
#include <linux/cpu_smt.h>
-int topology_update_package_map(unsigned int apicid, unsigned int cpu);
-int topology_update_die_map(unsigned int dieid, unsigned int cpu);
-int topology_phys_to_logical_pkg(unsigned int pkg);
+extern unsigned int __amd_nodes_per_pkg;
+
+static inline unsigned int topology_amd_nodes_per_pkg(void)
+{
+ return __amd_nodes_per_pkg;
+}
extern struct cpumask __cpu_primary_thread_mask;
#define cpu_primary_thread_mask ((const struct cpumask *)&__cpu_primary_thread_mask)
@@ -153,16 +229,12 @@ static inline bool topology_is_primary_thread(unsigned int cpu)
{
return cpumask_test_cpu(cpu, cpu_primary_thread_mask);
}
+
#else /* CONFIG_SMP */
-#define topology_max_packages() (1)
-static inline int
-topology_update_package_map(unsigned int apicid, unsigned int cpu) { return 0; }
-static inline int
-topology_update_die_map(unsigned int dieid, unsigned int cpu) { return 0; }
static inline int topology_phys_to_logical_pkg(unsigned int pkg) { return 0; }
-static inline int topology_max_die_per_package(void) { return 1; }
static inline int topology_max_smt_threads(void) { return 1; }
static inline bool topology_is_primary_thread(unsigned int cpu) { return true; }
+static inline unsigned int topology_amd_nodes_per_pkg(void) { return 1; }
#endif /* !CONFIG_SMP */
static inline void arch_fix_phys_package_id(int num, u32 slot)
@@ -179,7 +251,7 @@ extern bool x86_topology_update;
#include <asm/percpu.h>
DECLARE_PER_CPU_READ_MOSTLY(int, sched_core_priority);
-extern unsigned int __read_mostly sysctl_sched_itmt_enabled;
+extern bool __read_mostly sysctl_sched_itmt_enabled;
/* Interface to set priority of a cpu */
void sched_set_itmt_core_prio(int prio, int core_cpu);
@@ -192,7 +264,7 @@ void sched_clear_itmt_support(void);
#else /* CONFIG_SCHED_MC_PRIO */
-#define sysctl_sched_itmt_enabled 0
+#define sysctl_sched_itmt_enabled false
static inline void sched_set_itmt_core_prio(int prio, int core_cpu)
{
}
@@ -220,9 +292,22 @@ static inline long arch_scale_freq_capacity(int cpu)
}
#define arch_scale_freq_capacity arch_scale_freq_capacity
+bool arch_enable_hybrid_capacity_scale(void);
+void arch_set_cpu_capacity(int cpu, unsigned long cap, unsigned long max_cap,
+ unsigned long cap_freq, unsigned long base_freq);
+
+unsigned long arch_scale_cpu_capacity(int cpu);
+#define arch_scale_cpu_capacity arch_scale_cpu_capacity
+
extern void arch_set_max_freq_ratio(bool turbo_disabled);
extern void freq_invariance_set_perf_ratio(u64 ratio, bool turbo_disabled);
#else
+static inline bool arch_enable_hybrid_capacity_scale(void) { return false; }
+static inline void arch_set_cpu_capacity(int cpu, unsigned long cap,
+ unsigned long max_cap,
+ unsigned long cap_freq,
+ unsigned long base_freq) { }
+
static inline void arch_set_max_freq_ratio(bool turbo_disabled) { }
static inline void freq_invariance_set_perf_ratio(u64 ratio, bool turbo_disabled) { }
#endif
@@ -230,9 +315,4 @@ static inline void freq_invariance_set_perf_ratio(u64 ratio, bool turbo_disabled
extern void arch_scale_freq_tick(void);
#define arch_scale_freq_tick arch_scale_freq_tick
-#ifdef CONFIG_ACPI_CPPC_LIB
-void init_freq_invariance_cppc(void);
-#define arch_init_invariance_cppc init_freq_invariance_cppc
-#endif
-
#endif /* _ASM_X86_TOPOLOGY_H */