2709 		unsigned long gma_head, unsigned int gma_tail)  in gma_out_of_range()  argument
2711 	if (gma_tail >= gma_head)  in gma_out_of_range()
2712 		return (gma < gma_head) || (gma > gma_tail);  in gma_out_of_range()
2714 		return (gma > gma_tail) && (gma < gma_head);  in gma_out_of_range()
2726 	unsigned long gma_head, gma_tail, gma_bottom;  in command_scan()  local
2731 	gma_tail = rb_start + rb_tail;  in command_scan()
2734 	while (s->ip_gma != gma_tail) {  in command_scan()
2745 			if (gma_out_of_range(s->ip_gma, gma_head, gma_tail)) {  in command_scan()
2767 	unsigned long gma_head, gma_tail, gma_bottom;  in scan_workload()  local
2776 	gma_tail = workload->rb_start + workload->rb_tail;  in scan_workload()
2786 	s.ring_tail = gma_tail;  in scan_workload()
2792 		gma_head == gma_tail)  in scan_workload()
2809 	unsigned long gma_head, gma_tail, gma_bottom, ring_size, ring_tail;  in scan_wa_ctx()  local
2825 	gma_tail = wa_ctx->indirect_ctx.guest_gma + ring_tail;  in scan_wa_ctx()
2835 	s.ring_tail = gma_tail;  in scan_wa_ctx()
2854 	unsigned long gma_head, gma_tail, gma_top, guest_rb_size;  in shadow_workload_ring_buffer()  local
2866 	gma_tail = workload->rb_start + workload->rb_tail;  in shadow_workload_ring_buffer()
2889 	if (gma_head > gma_tail) {  in shadow_workload_ring_buffer()
2901 	ret = copy_gma_to_hva(vgpu, vgpu->gtt.ggtt_mm, gma_head, gma_tail,  in shadow_workload_ring_buffer()