cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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topology_64.h (1546B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _ASM_SPARC64_TOPOLOGY_H
      3#define _ASM_SPARC64_TOPOLOGY_H
      4
      5#ifdef CONFIG_NUMA
      6
      7#include <asm/mmzone.h>
      8
      9static inline int cpu_to_node(int cpu)
     10{
     11	return numa_cpu_lookup_table[cpu];
     12}
     13
     14#define cpumask_of_node(node) ((node) == -1 ?				\
     15			       cpu_all_mask :				\
     16			       &numa_cpumask_lookup_table[node])
     17
     18struct pci_bus;
     19#ifdef CONFIG_PCI
     20int pcibus_to_node(struct pci_bus *pbus);
     21#else
     22static inline int pcibus_to_node(struct pci_bus *pbus)
     23{
     24	return -1;
     25}
     26#endif
     27
     28#define cpumask_of_pcibus(bus)	\
     29	(pcibus_to_node(bus) == -1 ? \
     30	 cpu_all_mask : \
     31	 cpumask_of_node(pcibus_to_node(bus)))
     32
     33int __node_distance(int, int);
     34#define node_distance(a, b) __node_distance(a, b)
     35
     36#else /* CONFIG_NUMA */
     37
     38#include <asm-generic/topology.h>
     39
     40#endif /* !(CONFIG_NUMA) */
     41
     42#ifdef CONFIG_SMP
     43
     44#include <asm/cpudata.h>
     45
     46#define topology_physical_package_id(cpu)	(cpu_data(cpu).proc_id)
     47#define topology_core_id(cpu)			(cpu_data(cpu).core_id)
     48#define topology_core_cpumask(cpu)		(&cpu_core_sib_map[cpu])
     49#define topology_core_cache_cpumask(cpu)	(&cpu_core_sib_cache_map[cpu])
     50#define topology_sibling_cpumask(cpu)		(&per_cpu(cpu_sibling_map, cpu))
     51#endif /* CONFIG_SMP */
     52
     53extern cpumask_t cpu_core_map[NR_CPUS];
     54extern cpumask_t cpu_core_sib_map[NR_CPUS];
     55extern cpumask_t cpu_core_sib_cache_map[NR_CPUS];
     56
     57/**
     58 * Return cores that shares the last level cache.
     59 */
     60static inline const struct cpumask *cpu_coregroup_mask(int cpu)
     61{
     62	return &cpu_core_sib_cache_map[cpu];
     63}
     64
     65#endif /* _ASM_SPARC64_TOPOLOGY_H */