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Diffstat (limited to 'arch/x86/kernel/cpu/intel_rdt.h')
-rw-r--r--arch/x86/kernel/cpu/intel_rdt.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/intel_rdt.h b/arch/x86/kernel/cpu/intel_rdt.h
index 3e4869390603..ebaddaeef023 100644
--- a/arch/x86/kernel/cpu/intel_rdt.h
+++ b/arch/x86/kernel/cpu/intel_rdt.h
@@ -20,6 +20,8 @@
#define QOS_L3_MBM_TOTAL_EVENT_ID 0x02
#define QOS_L3_MBM_LOCAL_EVENT_ID 0x03
+#define CQM_LIMBOCHECK_INTERVAL 1000
+
#define MBM_CNTR_WIDTH 24
#define MBM_OVERFLOW_INTERVAL 1000
@@ -187,8 +189,11 @@ struct mbm_state {
* @mbm_total: saved state for MBM total bandwidth
* @mbm_local: saved state for MBM local bandwidth
* @mbm_over: worker to periodically read MBM h/w counters
+ * @cqm_limbo: worker to periodically read CQM h/w counters
* @mbm_work_cpu:
* worker cpu for MBM h/w counters
+ * @cqm_work_cpu:
+ * worker cpu for CQM h/w counters
* @ctrl_val: array of cache or mem ctrl values (indexed by CLOSID)
* @new_ctrl: new ctrl value to be loaded
* @have_new_ctrl: did user provide new_ctrl for this domain
@@ -201,7 +206,9 @@ struct rdt_domain {
struct mbm_state *mbm_total;
struct mbm_state *mbm_local;
struct delayed_work mbm_over;
+ struct delayed_work cqm_limbo;
int mbm_work_cpu;
+ int cqm_work_cpu;
u32 *ctrl_val;
u32 new_ctrl;
bool have_new_ctrl;
@@ -422,7 +429,12 @@ void mkdir_mondata_subdir_allrdtgrp(struct rdt_resource *r,
struct rdt_domain *d);
void mon_event_read(struct rmid_read *rr, struct rdt_domain *d,
struct rdtgroup *rdtgrp, int evtid, int first);
-void mbm_setup_overflow_handler(struct rdt_domain *dom, unsigned long delay_ms);
+void mbm_setup_overflow_handler(struct rdt_domain *dom,
+ unsigned long delay_ms);
void mbm_handle_overflow(struct work_struct *work);
+void cqm_setup_limbo_handler(struct rdt_domain *dom, unsigned long delay_ms);
+void cqm_handle_limbo(struct work_struct *work);
+bool has_busy_rmid(struct rdt_resource *r, struct rdt_domain *d);
+void __check_limbo(struct rdt_domain *d, bool force_free);
#endif /* _ASM_X86_INTEL_RDT_H */