diff options
| author | James Morse <james.morse@arm.com> | 2026-03-13 14:46:07 +0000 |
|---|---|---|
| committer | James Morse <james.morse@arm.com> | 2026-03-27 15:31:50 +0000 |
| commit | fb56b29932ca276df268806ad52ed80f40f99a6e (patch) | |
| tree | 2b77a72941d6af39eab873ce1cc45ef4164c1da1 /include/linux | |
| parent | 2a3c79c61539779a09928893518c8286d7774b54 (diff) | |
arm_mpam: resctrl: Add resctrl_arch_rmid_read()
resctrl uses resctrl_arch_rmid_read() to read counters. CDP emulation means
the counter may need reading in three different ways.
The helpers behind the resctrl_arch_ functions will be re-used for the ABMC
equivalent functions.
Add the rounding helper for checking monitor values while we're here.
Tested-by: Gavin Shan <gshan@redhat.com>
Tested-by: Shaopeng Tan <tan.shaopeng@jp.fujitsu.com>
Tested-by: Peter Newman <peternewman@google.com>
Tested-by: Zeng Heng <zengheng4@huawei.com>
Tested-by: Jesse Chick <jessechick@os.amperecomputing.com>
Reviewed-by: Shaopeng Tan <tan.shaopeng@jp.fujitsu.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Co-developed-by: Ben Horgan <ben.horgan@arm.com>
Signed-off-by: Ben Horgan <ben.horgan@arm.com>
Signed-off-by: James Morse <james.morse@arm.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/arm_mpam.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/arm_mpam.h b/include/linux/arm_mpam.h index e1461e32af75..86d5e326d2bd 100644 --- a/include/linux/arm_mpam.h +++ b/include/linux/arm_mpam.h @@ -67,6 +67,11 @@ struct rdt_resource; void *resctrl_arch_mon_ctx_alloc(struct rdt_resource *r, enum resctrl_event_id evtid); void resctrl_arch_mon_ctx_free(struct rdt_resource *r, enum resctrl_event_id evtid, void *ctx); +static inline unsigned int resctrl_arch_round_mon_val(unsigned int val) +{ + return val; +} + /** * mpam_register_requestor() - Register a requestor with the MPAM driver * @partid_max: The maximum PARTID value the requestor can generate. |