Lines Matching refs:rdtgrp
154 struct rdtgroup *rdtgrp, *rdtgrp_match = NULL; in region_find_by_minor() local
156 list_for_each_entry(rdtgrp, &rdt_all_groups, rdtgroup_list) { in region_find_by_minor()
157 if (rdtgrp->plr && rdtgrp->plr->minor == minor) { in region_find_by_minor()
158 rdtgrp_match = rdtgrp; in region_find_by_minor()
324 static int pseudo_lock_init(struct rdtgroup *rdtgrp) in pseudo_lock_init() argument
334 rdtgrp->plr = plr; in pseudo_lock_init()
391 static void pseudo_lock_free(struct rdtgroup *rdtgrp) in pseudo_lock_free() argument
393 pseudo_lock_region_clear(rdtgrp->plr); in pseudo_lock_free()
394 kfree(rdtgrp->plr); in pseudo_lock_free()
395 rdtgrp->plr = NULL; in pseudo_lock_free()
419 struct rdtgroup *rdtgrp = _rdtgrp; in pseudo_lock_fn() local
420 struct pseudo_lock_region *plr = rdtgrp->plr; in pseudo_lock_fn()
478 __wrmsr(IA32_PQR_ASSOC, rmid_p, rdtgrp->closid); in pseudo_lock_fn()
532 static int rdtgroup_monitor_in_progress(struct rdtgroup *rdtgrp) in rdtgroup_monitor_in_progress() argument
534 return !list_empty(&rdtgrp->mon.crdtgrp_list); in rdtgroup_monitor_in_progress()
552 static int rdtgroup_locksetup_user_restrict(struct rdtgroup *rdtgrp) in rdtgroup_locksetup_user_restrict() argument
556 ret = rdtgroup_kn_mode_restrict(rdtgrp, "tasks"); in rdtgroup_locksetup_user_restrict()
560 ret = rdtgroup_kn_mode_restrict(rdtgrp, "cpus"); in rdtgroup_locksetup_user_restrict()
564 ret = rdtgroup_kn_mode_restrict(rdtgrp, "cpus_list"); in rdtgroup_locksetup_user_restrict()
569 ret = rdtgroup_kn_mode_restrict(rdtgrp, "mon_groups"); in rdtgroup_locksetup_user_restrict()
578 rdtgroup_kn_mode_restore(rdtgrp, "cpus_list", 0777); in rdtgroup_locksetup_user_restrict()
580 rdtgroup_kn_mode_restore(rdtgrp, "cpus", 0777); in rdtgroup_locksetup_user_restrict()
582 rdtgroup_kn_mode_restore(rdtgrp, "tasks", 0777); in rdtgroup_locksetup_user_restrict()
599 static int rdtgroup_locksetup_user_restore(struct rdtgroup *rdtgrp) in rdtgroup_locksetup_user_restore() argument
603 ret = rdtgroup_kn_mode_restore(rdtgrp, "tasks", 0777); in rdtgroup_locksetup_user_restore()
607 ret = rdtgroup_kn_mode_restore(rdtgrp, "cpus", 0777); in rdtgroup_locksetup_user_restore()
611 ret = rdtgroup_kn_mode_restore(rdtgrp, "cpus_list", 0777); in rdtgroup_locksetup_user_restore()
616 ret = rdtgroup_kn_mode_restore(rdtgrp, "mon_groups", 0777); in rdtgroup_locksetup_user_restore()
625 rdtgroup_kn_mode_restrict(rdtgrp, "cpus_list"); in rdtgroup_locksetup_user_restore()
627 rdtgroup_kn_mode_restrict(rdtgrp, "cpus"); in rdtgroup_locksetup_user_restore()
629 rdtgroup_kn_mode_restrict(rdtgrp, "tasks"); in rdtgroup_locksetup_user_restore()
652 int rdtgroup_locksetup_enter(struct rdtgroup *rdtgrp) in rdtgroup_locksetup_enter() argument
660 if (rdtgrp == &rdtgroup_default) { in rdtgroup_locksetup_enter()
707 if (rdtgroup_monitor_in_progress(rdtgrp)) { in rdtgroup_locksetup_enter()
712 if (rdtgroup_tasks_assigned(rdtgrp)) { in rdtgroup_locksetup_enter()
717 if (!cpumask_empty(&rdtgrp->cpu_mask)) { in rdtgroup_locksetup_enter()
722 if (rdtgroup_locksetup_user_restrict(rdtgrp)) { in rdtgroup_locksetup_enter()
727 ret = pseudo_lock_init(rdtgrp); in rdtgroup_locksetup_enter()
739 free_rmid(rdtgrp->mon.rmid); in rdtgroup_locksetup_enter()
745 rdtgroup_locksetup_user_restore(rdtgrp); in rdtgroup_locksetup_enter()
759 int rdtgroup_locksetup_exit(struct rdtgroup *rdtgrp) in rdtgroup_locksetup_exit() argument
769 rdtgrp->mon.rmid = ret; in rdtgroup_locksetup_exit()
772 ret = rdtgroup_locksetup_user_restore(rdtgrp); in rdtgroup_locksetup_exit()
774 free_rmid(rdtgrp->mon.rmid); in rdtgroup_locksetup_exit()
778 pseudo_lock_free(rdtgrp); in rdtgroup_locksetup_exit()
1157 static int pseudo_lock_measure_cycles(struct rdtgroup *rdtgrp, int sel) in pseudo_lock_measure_cycles() argument
1159 struct pseudo_lock_region *plr = rdtgrp->plr; in pseudo_lock_measure_cycles()
1167 if (rdtgrp->flags & RDT_DELETED) { in pseudo_lock_measure_cycles()
1228 struct rdtgroup *rdtgrp = file->private_data; in pseudo_lock_measure_trigger() local
1246 ret = pseudo_lock_measure_cycles(rdtgrp, sel); in pseudo_lock_measure_trigger()
1277 int rdtgroup_pseudo_lock_create(struct rdtgroup *rdtgrp) in rdtgroup_pseudo_lock_create() argument
1279 struct pseudo_lock_region *plr = rdtgrp->plr; in rdtgroup_pseudo_lock_create()
1297 thread = kthread_create_on_node(pseudo_lock_fn, rdtgrp, in rdtgroup_pseudo_lock_create()
1342 plr->debugfs_dir = debugfs_create_dir(rdtgrp->kn->name, in rdtgroup_pseudo_lock_create()
1346 plr->debugfs_dir, rdtgrp, in rdtgroup_pseudo_lock_create()
1352 rdtgrp, "%s", rdtgrp->kn->name); in rdtgroup_pseudo_lock_create()
1364 if (rdtgrp->flags & RDT_DELETED) { in rdtgroup_pseudo_lock_create()
1371 rdtgrp->mode = RDT_MODE_PSEUDO_LOCKED; in rdtgroup_pseudo_lock_create()
1372 closid_free(rdtgrp->closid); in rdtgroup_pseudo_lock_create()
1373 rdtgroup_kn_mode_restore(rdtgrp, "cpus", 0444); in rdtgroup_pseudo_lock_create()
1374 rdtgroup_kn_mode_restore(rdtgrp, "cpus_list", 0444); in rdtgroup_pseudo_lock_create()
1406 void rdtgroup_pseudo_lock_remove(struct rdtgroup *rdtgrp) in rdtgroup_pseudo_lock_remove() argument
1408 struct pseudo_lock_region *plr = rdtgrp->plr; in rdtgroup_pseudo_lock_remove()
1410 if (rdtgrp->mode == RDT_MODE_PSEUDO_LOCKSETUP) { in rdtgroup_pseudo_lock_remove()
1415 closid_free(rdtgrp->closid); in rdtgroup_pseudo_lock_remove()
1420 debugfs_remove_recursive(rdtgrp->plr->debugfs_dir); in rdtgroup_pseudo_lock_remove()
1425 pseudo_lock_free(rdtgrp); in rdtgroup_pseudo_lock_remove()
1430 struct rdtgroup *rdtgrp; in pseudo_lock_dev_open() local
1434 rdtgrp = region_find_by_minor(iminor(inode)); in pseudo_lock_dev_open()
1435 if (!rdtgrp) { in pseudo_lock_dev_open()
1440 filp->private_data = rdtgrp; in pseudo_lock_dev_open()
1441 atomic_inc(&rdtgrp->waitcount); in pseudo_lock_dev_open()
1452 struct rdtgroup *rdtgrp; in pseudo_lock_dev_release() local
1455 rdtgrp = filp->private_data; in pseudo_lock_dev_release()
1456 WARN_ON(!rdtgrp); in pseudo_lock_dev_release()
1457 if (!rdtgrp) { in pseudo_lock_dev_release()
1462 atomic_dec(&rdtgrp->waitcount); in pseudo_lock_dev_release()
1482 struct rdtgroup *rdtgrp; in pseudo_lock_dev_mmap() local
1488 rdtgrp = filp->private_data; in pseudo_lock_dev_mmap()
1489 WARN_ON(!rdtgrp); in pseudo_lock_dev_mmap()
1490 if (!rdtgrp) { in pseudo_lock_dev_mmap()
1495 plr = rdtgrp->plr; in pseudo_lock_dev_mmap()
1559 struct rdtgroup *rdtgrp; in pseudo_lock_devnode() local
1561 rdtgrp = dev_get_drvdata(dev); in pseudo_lock_devnode()
1564 return kasprintf(GFP_KERNEL, "pseudo_lock/%s", rdtgrp->kn->name); in pseudo_lock_devnode()