diff options
Diffstat (limited to 'arch/x86/kernel/cpu/resctrl/internal.h')
| -rw-r--r-- | arch/x86/kernel/cpu/resctrl/internal.h | 62 |
1 files changed, 39 insertions, 23 deletions
diff --git a/arch/x86/kernel/cpu/resctrl/internal.h b/arch/x86/kernel/cpu/resctrl/internal.h index 377679b79919..135190e0711c 100644 --- a/arch/x86/kernel/cpu/resctrl/internal.h +++ b/arch/x86/kernel/cpu/resctrl/internal.h @@ -147,7 +147,7 @@ union mon_data_bits { struct rmid_read { struct rdtgroup *rgrp; struct rdt_resource *r; - struct rdt_domain *d; + struct rdt_mon_domain *d; enum resctrl_event_id evtid; bool first; int err; @@ -232,7 +232,7 @@ struct mongroup { */ struct pseudo_lock_region { struct resctrl_schema *s; - struct rdt_domain *d; + struct rdt_ctrl_domain *d; u32 cbm; wait_queue_head_t lock_thread_wq; int thread_done; @@ -355,25 +355,41 @@ struct arch_mbm_state { }; /** - * struct rdt_hw_domain - Arch private attributes of a set of CPUs that share - * a resource + * struct rdt_hw_ctrl_domain - Arch private attributes of a set of CPUs that share + * a resource for a control function * @d_resctrl: Properties exposed to the resctrl file system * @ctrl_val: array of cache or mem ctrl values (indexed by CLOSID) + * + * Members of this structure are accessed via helpers that provide abstraction. + */ +struct rdt_hw_ctrl_domain { + struct rdt_ctrl_domain d_resctrl; + u32 *ctrl_val; +}; + +/** + * struct rdt_hw_mon_domain - Arch private attributes of a set of CPUs that share + * a resource for a monitor function + * @d_resctrl: Properties exposed to the resctrl file system * @arch_mbm_total: arch private state for MBM total bandwidth * @arch_mbm_local: arch private state for MBM local bandwidth * * Members of this structure are accessed via helpers that provide abstraction. */ -struct rdt_hw_domain { - struct rdt_domain d_resctrl; - u32 *ctrl_val; +struct rdt_hw_mon_domain { + struct rdt_mon_domain d_resctrl; struct arch_mbm_state *arch_mbm_total; struct arch_mbm_state *arch_mbm_local; }; -static inline struct rdt_hw_domain *resctrl_to_arch_dom(struct rdt_domain *r) +static inline struct rdt_hw_ctrl_domain *resctrl_to_arch_ctrl_dom(struct rdt_ctrl_domain *r) +{ + return container_of(r, struct rdt_hw_ctrl_domain, d_resctrl); +} + +static inline struct rdt_hw_mon_domain *resctrl_to_arch_mon_dom(struct rdt_mon_domain *r) { - return container_of(r, struct rdt_hw_domain, d_resctrl); + return container_of(r, struct rdt_hw_mon_domain, d_resctrl); } /** @@ -385,7 +401,7 @@ static inline struct rdt_hw_domain *resctrl_to_arch_dom(struct rdt_domain *r) */ struct msr_param { struct rdt_resource *res; - struct rdt_domain *dom; + struct rdt_ctrl_domain *dom; u32 low; u32 high; }; @@ -458,9 +474,9 @@ static inline struct rdt_hw_resource *resctrl_to_arch_res(struct rdt_resource *r } int parse_cbm(struct rdt_parse_data *data, struct resctrl_schema *s, - struct rdt_domain *d); + struct rdt_ctrl_domain *d); int parse_bw(struct rdt_parse_data *data, struct resctrl_schema *s, - struct rdt_domain *d); + struct rdt_ctrl_domain *d); extern struct mutex rdtgroup_mutex; @@ -564,22 +580,22 @@ ssize_t rdtgroup_schemata_write(struct kernfs_open_file *of, char *buf, size_t nbytes, loff_t off); int rdtgroup_schemata_show(struct kernfs_open_file *of, struct seq_file *s, void *v); -bool rdtgroup_cbm_overlaps(struct resctrl_schema *s, struct rdt_domain *d, +bool rdtgroup_cbm_overlaps(struct resctrl_schema *s, struct rdt_ctrl_domain *d, unsigned long cbm, int closid, bool exclusive); -unsigned int rdtgroup_cbm_to_size(struct rdt_resource *r, struct rdt_domain *d, +unsigned int rdtgroup_cbm_to_size(struct rdt_resource *r, struct rdt_ctrl_domain *d, unsigned long cbm); enum rdtgrp_mode rdtgroup_mode_by_closid(int closid); int rdtgroup_tasks_assigned(struct rdtgroup *r); int rdtgroup_locksetup_enter(struct rdtgroup *rdtgrp); int rdtgroup_locksetup_exit(struct rdtgroup *rdtgrp); -bool rdtgroup_cbm_overlaps_pseudo_locked(struct rdt_domain *d, unsigned long cbm); -bool rdtgroup_pseudo_locked_in_hierarchy(struct rdt_domain *d); +bool rdtgroup_cbm_overlaps_pseudo_locked(struct rdt_ctrl_domain *d, unsigned long cbm); +bool rdtgroup_pseudo_locked_in_hierarchy(struct rdt_ctrl_domain *d); int rdt_pseudo_lock_init(void); void rdt_pseudo_lock_release(void); int rdtgroup_pseudo_lock_create(struct rdtgroup *rdtgrp); void rdtgroup_pseudo_lock_remove(struct rdtgroup *rdtgrp); -struct rdt_domain *get_ctrl_domain_from_cpu(int cpu, struct rdt_resource *r); -struct rdt_domain *get_mon_domain_from_cpu(int cpu, struct rdt_resource *r); +struct rdt_ctrl_domain *get_ctrl_domain_from_cpu(int cpu, struct rdt_resource *r); +struct rdt_mon_domain *get_mon_domain_from_cpu(int cpu, struct rdt_resource *r); int closids_supported(void); void closid_free(int closid); int alloc_rmid(u32 closid); @@ -590,19 +606,19 @@ bool __init rdt_cpu_has(int flag); void mon_event_count(void *info); int rdtgroup_mondata_show(struct seq_file *m, void *arg); void mon_event_read(struct rmid_read *rr, struct rdt_resource *r, - struct rdt_domain *d, struct rdtgroup *rdtgrp, + struct rdt_mon_domain *d, struct rdtgroup *rdtgrp, int evtid, int first); -void mbm_setup_overflow_handler(struct rdt_domain *dom, +void mbm_setup_overflow_handler(struct rdt_mon_domain *dom, unsigned long delay_ms, int exclude_cpu); void mbm_handle_overflow(struct work_struct *work); void __init intel_rdt_mbm_apply_quirk(void); bool is_mba_sc(struct rdt_resource *r); -void cqm_setup_limbo_handler(struct rdt_domain *dom, unsigned long delay_ms, +void cqm_setup_limbo_handler(struct rdt_mon_domain *dom, unsigned long delay_ms, int exclude_cpu); void cqm_handle_limbo(struct work_struct *work); -bool has_busy_rmid(struct rdt_domain *d); -void __check_limbo(struct rdt_domain *d, bool force_free); +bool has_busy_rmid(struct rdt_mon_domain *d); +void __check_limbo(struct rdt_mon_domain *d, bool force_free); void rdt_domain_reconfigure_cdp(struct rdt_resource *r); void __init thread_throttle_mode_init(void); void __init mbm_config_rftype_init(const char *config); |