diff options
Diffstat (limited to 'arch/x86/kernel/cpu/intel_rdt.h')
| -rw-r--r-- | arch/x86/kernel/cpu/intel_rdt.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/intel_rdt.h b/arch/x86/kernel/cpu/intel_rdt.h index 4051f5e2d5fc..e8fb08f9ea89 100644 --- a/arch/x86/kernel/cpu/intel_rdt.h +++ b/arch/x86/kernel/cpu/intel_rdt.h @@ -37,6 +37,25 @@ extern unsigned int intel_cqm_threshold; extern bool rdt_alloc_capable; extern bool rdt_mon_capable; extern unsigned int rdt_mon_features; + +enum rdt_group_type { + RDTCTRL_GROUP = 0, + RDTMON_GROUP, + RDT_NUM_GROUP, +}; + +/** + * struct mongroup - store mon group's data in resctrl fs. + * @parent: parent rdtgrp + * @crdtgrp_list: child rdtgroup node list + * @rmid: rmid for this rdtgroup + */ +struct mongroup { + struct rdtgroup *parent; + struct list_head crdtgrp_list; + u32 rmid; +}; + /** * struct rdtgroup - store rdtgroup's data in resctrl file system. * @kn: kernfs node @@ -46,6 +65,9 @@ extern unsigned int rdt_mon_features; * @flags: status bits * @waitcount: how many cpus expect to find this * group when they acquire rdtgroup_mutex + * @type: indicates type of this rdtgroup - either + * monitor only or ctrl_mon group + * @mon: mongroup related data */ struct rdtgroup { struct kernfs_node *kn; @@ -54,6 +76,8 @@ struct rdtgroup { struct cpumask cpu_mask; int flags; atomic_t waitcount; + enum rdt_group_type type; + struct mongroup mon; }; /* rdtgroup.flags */ @@ -306,6 +330,8 @@ ssize_t rdtgroup_schemata_write(struct kernfs_open_file *of, int rdtgroup_schemata_show(struct kernfs_open_file *of, struct seq_file *s, void *v); struct rdt_domain *get_domain_from_cpu(int cpu, struct rdt_resource *r); +int alloc_rmid(void); +void free_rmid(u32 rmid); int rdt_get_mon_l3_config(struct rdt_resource *r); #endif /* _ASM_X86_INTEL_RDT_H */ |