221 static void guc_ct_ctb_h2g_init(struct xe_device *xe, struct guc_ctb *h2g,  in guc_ct_ctb_h2g_init()  argument
224 	h2g->info.size = CTB_H2G_BUFFER_SIZE / sizeof(u32);  in guc_ct_ctb_h2g_init()
225 	h2g->info.resv_space = 0;  in guc_ct_ctb_h2g_init()
226 	h2g->info.tail = 0;  in guc_ct_ctb_h2g_init()
227 	h2g->info.head = 0;  in guc_ct_ctb_h2g_init()
228 	h2g->info.space = CIRC_SPACE(h2g->info.tail, h2g->info.head,  in guc_ct_ctb_h2g_init()
229 				     h2g->info.size) -  in guc_ct_ctb_h2g_init()
230 			  h2g->info.resv_space;  in guc_ct_ctb_h2g_init()
231 	h2g->info.broken = false;  in guc_ct_ctb_h2g_init()
233 	h2g->desc = *map;  in guc_ct_ctb_h2g_init()
234 	xe_map_memset(xe, &h2g->desc, 0, 0, sizeof(struct guc_ct_buffer_desc));  in guc_ct_ctb_h2g_init()
236 	h2g->cmds = IOSYS_MAP_INIT_OFFSET(map, CTB_DESC_SIZE * 2);  in guc_ct_ctb_h2g_init()
266 	size = ct->ctbs.h2g.info.size * sizeof(u32);  in guc_ct_ctb_h2g_register()
398 	guc_ct_ctb_h2g_init(xe, &ct->ctbs.h2g, &ct->bo->vmap);  in xe_guc_ct_enable()
463 	struct guc_ctb *h2g = &ct->ctbs.h2g;  in h2g_has_room()  local
467 	if (cmd_len > h2g->info.space) {  in h2g_has_room()
468 		h2g->info.head = desc_read(ct_to_xe(ct), h2g, head);  in h2g_has_room()
469 		h2g->info.space = CIRC_SPACE(h2g->info.tail, h2g->info.head,  in h2g_has_room()
470 					     h2g->info.size) -  in h2g_has_room()
471 				  h2g->info.resv_space;  in h2g_has_room()
472 		if (cmd_len > h2g->info.space)  in h2g_has_room()
502 	ct->ctbs.h2g.info.space -= cmd_len;  in h2g_reserve_space()
548 	struct guc_ctb *h2g = &ct->ctbs.h2g;  in h2g_write()  local
550 	u32 tail = h2g->info.tail;  in h2g_write()
552 	struct iosys_map map = IOSYS_MAP_INIT_OFFSET(&h2g->cmds,  in h2g_write()
559 	xe_gt_assert(gt, tail <= h2g->info.size);  in h2g_write()
562 	if (tail + full_len > h2g->info.size) {  in h2g_write()
564 			      (h2g->info.size - tail) * sizeof(u32));  in h2g_write()
565 		h2g_reserve_space(ct, (h2g->info.size - tail));  in h2g_write()
566 		h2g->info.tail = 0;  in h2g_write()
567 		desc_write(xe, h2g, tail, h2g->info.tail);  in h2g_write()
602 	h2g->info.tail = (tail + full_len) % h2g->info.size;  in h2g_write()
606 	desc_write(xe, h2g, tail, h2g->info.tail);  in h2g_write()
609 			     desc_read(xe, h2g, head), h2g->info.tail);  in h2g_write()
648 	if (unlikely(ct->ctbs.h2g.info.broken)) {  in __guc_ct_send_locked()
740 		struct guc_ctb *h2g = &ct->ctbs.h2g;  in guc_ct_send_locked()  local
745 		trace_xe_guc_ct_h2g_flow_control(xe, h2g->info.head, h2g->info.tail,  in guc_ct_send_locked()
746 						 h2g->info.size,  in guc_ct_send_locked()
747 						 h2g->info.space,  in guc_ct_send_locked()
783 	ct->ctbs.h2g.info.broken = true;  in guc_ct_send_locked()
849 	(xe_guc_ct_enabled(ct) && !ct->ctbs.h2g.info.broken && \  in retry_failure()
1517 		guc_ctb_snapshot_capture(xe, &ct->ctbs.h2g,  in xe_guc_ct_snapshot_capture()
1518 					 &snapshot->h2g, atomic);  in xe_guc_ct_snapshot_capture()
1541 		guc_ctb_snapshot_print(&snapshot->h2g, p);  in xe_guc_ct_snapshot_print()
1565 	guc_ctb_snapshot_free(&snapshot->h2g);  in xe_guc_ct_snapshot_free()