diff options
Diffstat (limited to 'arch/x86/kernel/cpu/resctrl/internal.h')
| -rw-r--r-- | arch/x86/kernel/cpu/resctrl/internal.h | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/arch/x86/kernel/cpu/resctrl/internal.h b/arch/x86/kernel/cpu/resctrl/internal.h index 681b5bdcd2f9..13d862221f9c 100644 --- a/arch/x86/kernel/cpu/resctrl/internal.h +++ b/arch/x86/kernel/cpu/resctrl/internal.h @@ -127,19 +127,25 @@ struct mon_evt { }; /** - * union mon_data_bits - Monitoring details for each event file + * union mon_data_bits - Monitoring details for each event file. * @priv: Used to store monitoring event data in @u - * as kernfs private data - * @rid: Resource id associated with the event file - * @evtid: Event id associated with the event file - * @domid: The domain to which the event file belongs - * @u: Name of the bit fields struct + * as kernfs private data. + * @u.rid: Resource id associated with the event file. + * @u.evtid: Event id associated with the event file. + * @u.sum: Set when event must be summed across multiple + * domains. + * @u.domid: When @u.sum is zero this is the domain to which + * the event file belongs. When @sum is one this + * is the id of the L3 cache that all domains to be + * summed share. + * @u: Name of the bit fields struct. */ union mon_data_bits { void *priv; struct { unsigned int rid : 10; - enum resctrl_event_id evtid : 8; + enum resctrl_event_id evtid : 7; + unsigned int sum : 1; unsigned int domid : 14; } u; }; |