diff options
Diffstat (limited to 'arch/x86/include/asm/topology.h')
| -rw-r--r-- | arch/x86/include/asm/topology.h | 184 |
1 files changed, 144 insertions, 40 deletions
diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h index 9239399e5491..1fadf0cf520c 100644 --- a/arch/x86/include/asm/topology.h +++ b/arch/x86/include/asm/topology.h @@ -31,9 +31,9 @@ * CONFIG_NUMA. */ #include <linux/numa.h> +#include <linux/cpumask.h> #ifdef CONFIG_NUMA -#include <linux/cpumask.h> #include <asm/mpspec.h> #include <asm/percpu.h> @@ -102,27 +102,104 @@ 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) + +#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; +} -#define topology_logical_package_id(cpu) (cpu_data(cpu).logical_proc_id) -#define topology_physical_package_id(cpu) (cpu_data(cpu).phys_proc_id) -#define topology_logical_die_id(cpu) (cpu_data(cpu).logical_die_id) -#define topology_die_id(cpu) (cpu_data(cpu).cpu_die_id) -#define topology_core_id(cpu) (cpu_data(cpu).cpu_core_id) +static inline unsigned int topology_num_threads_per_package(void) +{ + return __num_threads_per_package; +} -extern unsigned int __max_die_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) #define topology_die_cpumask(cpu) (per_cpu(cpu_die_map, cpu)) +#define topology_cluster_cpumask(cpu) (cpu_clustergroup_mask(cpu)) #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; @@ -132,26 +209,43 @@ static inline int topology_max_smt_threads(void) return __max_smt_threads; } -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); -int topology_phys_to_logical_die(unsigned int die, unsigned int cpu); -bool topology_is_primary_thread(unsigned int cpu); -bool topology_smt_supported(void); -#else -#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; } +#include <linux/cpu_smt.h> + +extern unsigned int __amd_nodes_per_pkg; + +static inline unsigned int topology_amd_nodes_per_pkg(void) +{ + return __amd_nodes_per_pkg; +} + +#else /* CONFIG_SMP */ static inline int topology_phys_to_logical_pkg(unsigned int pkg) { return 0; } -static inline int topology_phys_to_logical_die(unsigned int die, - unsigned int cpu) { 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 bool topology_smt_supported(void) { return false; } -#endif +static inline unsigned int topology_amd_nodes_per_pkg(void) { return 1; } +#endif /* !CONFIG_SMP */ + +extern struct cpumask __cpu_primary_thread_mask; +#define cpu_primary_thread_mask ((const struct cpumask *)&__cpu_primary_thread_mask) + +/** + * topology_is_primary_thread - Check whether CPU is the primary SMT thread + * @cpu: CPU to check + */ +static inline bool topology_is_primary_thread(unsigned int cpu) +{ + return cpumask_test_cpu(cpu, cpu_primary_thread_mask); +} +#define topology_is_primary_thread topology_is_primary_thread + +int topology_get_primary_thread(unsigned int cpu); + +static inline bool topology_is_core_online(unsigned int cpu) +{ + int pcpu = topology_get_primary_thread(cpu); + + return pcpu >= 0 ? cpu_online(pcpu) : false; +} +#define topology_is_core_online topology_is_core_online static inline void arch_fix_phys_package_id(int num, u32 slot) { @@ -167,7 +261,7 @@ 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); @@ -180,7 +274,7 @@ 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) { } @@ -208,19 +302,29 @@ static inline long arch_scale_freq_capacity(int cpu) } #define arch_scale_freq_capacity arch_scale_freq_capacity -extern void arch_scale_freq_tick(void); -#define arch_scale_freq_tick arch_scale_freq_tick +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 void arch_set_max_freq_ratio(bool turbo_disabled) -{ -} +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 -#ifdef CONFIG_ACPI_CPPC_LIB -void init_freq_invariance_cppc(void); -#define init_freq_invariance_cppc init_freq_invariance_cppc -#endif +extern void arch_scale_freq_tick(void); +#define arch_scale_freq_tick arch_scale_freq_tick + +extern int arch_sched_node_distance(int from, int to); #endif /* _ASM_X86_TOPOLOGY_H */ |