17 static void __xe_gt_apply_ccs_mode(struct xe_gt *gt, u32 num_engines)  in __xe_gt_apply_ccs_mode()  argument
20 	int num_slices = hweight32(CCS_MASK(gt));  in __xe_gt_apply_ccs_mode()
21 	struct xe_device *xe = gt_to_xe(gt);  in __xe_gt_apply_ccs_mode()
25 	xe_assert(xe, xe_gt_ccs_mode_enabled(gt));  in __xe_gt_apply_ccs_mode()
52 		for_each_hw_engine(hwe, gt, id) {  in __xe_gt_apply_ccs_mode()
62 			while ((CCS_MASK(gt) & BIT(cslice)) == 0)  in __xe_gt_apply_ccs_mode()
71 	xe_mmio_write32(gt, CCS_MODE, mode);  in __xe_gt_apply_ccs_mode()
73 	xe_gt_dbg(gt, "CCS_MODE=%x config:%08x, num_engines:%d, num_slices:%d\n",  in __xe_gt_apply_ccs_mode()
77 void xe_gt_apply_ccs_mode(struct xe_gt *gt)  in xe_gt_apply_ccs_mode()  argument
79 	if (!gt->ccs_mode || IS_SRIOV_VF(gt_to_xe(gt)))  in xe_gt_apply_ccs_mode()
82 	__xe_gt_apply_ccs_mode(gt, gt->ccs_mode);  in xe_gt_apply_ccs_mode()
89 	struct xe_gt *gt = kobj_to_gt(&kdev->kobj);  in num_cslices_show()  local
91 	return sysfs_emit(buf, "%u\n", hweight32(CCS_MASK(gt)));  in num_cslices_show()
100 	struct xe_gt *gt = kobj_to_gt(&kdev->kobj);  in ccs_mode_show()  local
102 	return sysfs_emit(buf, "%u\n", gt->ccs_mode);  in ccs_mode_show()
109 	struct xe_gt *gt = kobj_to_gt(&kdev->kobj);  in ccs_mode_store()  local
110 	struct xe_device *xe = gt_to_xe(gt);  in ccs_mode_store()
115 		xe_gt_dbg(gt, "Can't change compute mode when running as %s\n",  in ccs_mode_store()
128 	num_slices = hweight32(CCS_MASK(gt));  in ccs_mode_store()
130 		xe_gt_dbg(gt, "Invalid compute config, %d engines %d slices\n",  in ccs_mode_store()
142 	if (gt->ccs_mode != num_engines) {  in ccs_mode_store()
143 		xe_gt_info(gt, "Setting compute mode to %d\n", num_engines);  in ccs_mode_store()
144 		gt->ccs_mode = num_engines;  in ccs_mode_store()
145 		xe_gt_record_user_engines(gt);  in ccs_mode_store()
146 		xe_gt_reset_async(gt);  in ccs_mode_store()
164 	struct xe_gt *gt = arg;  in xe_gt_ccs_mode_sysfs_fini()  local
166 	sysfs_remove_files(gt->sysfs, gt_ccs_mode_attrs);  in xe_gt_ccs_mode_sysfs_fini()
171  * @gt: GT structure
173  * Through a per-gt 'ccs_mode' sysfs interface, the user can enable a fixed
175  * are to be allocated. This user configuration change triggers a gt reset
177  * The number of available compute slices is exposed to user through a per-gt
182 int xe_gt_ccs_mode_sysfs_init(struct xe_gt *gt)  in xe_gt_ccs_mode_sysfs_init()  argument
184 	struct xe_device *xe = gt_to_xe(gt);  in xe_gt_ccs_mode_sysfs_init()
187 	if (!xe_gt_ccs_mode_enabled(gt))  in xe_gt_ccs_mode_sysfs_init()
190 	err = sysfs_create_files(gt->sysfs, gt_ccs_mode_attrs);  in xe_gt_ccs_mode_sysfs_init()
194 	return devm_add_action_or_reset(xe->drm.dev, xe_gt_ccs_mode_sysfs_fini, gt);  in xe_gt_ccs_mode_sysfs_init()