467 	} u_desc_ctrl;  in iop_desc_init_memcpy()  local
469 	u_desc_ctrl.value = 0;  in iop_desc_init_memcpy()
470 	u_desc_ctrl.field.mem_to_mem_en = 1;  in iop_desc_init_memcpy()
471 	u_desc_ctrl.field.pci_transaction = 0xe; /* memory read block */  in iop_desc_init_memcpy()
472 	u_desc_ctrl.field.int_en = flags & DMA_PREP_INTERRUPT;  in iop_desc_init_memcpy()
473 	hw_desc->desc_ctrl = u_desc_ctrl.value;  in iop_desc_init_memcpy()
485 	} u_desc_ctrl;  in iop_desc_init_memset()  local
487 	u_desc_ctrl.value = 0;  in iop_desc_init_memset()
488 	u_desc_ctrl.field.blk1_cmd_ctrl = 0x2; /* memory block fill */  in iop_desc_init_memset()
489 	u_desc_ctrl.field.dest_write_en = 1;  in iop_desc_init_memset()
490 	u_desc_ctrl.field.int_en = flags & DMA_PREP_INTERRUPT;  in iop_desc_init_memset()
491 	hw_desc->desc_ctrl = u_desc_ctrl.value;  in iop_desc_init_memset()
503 	} u_desc_ctrl;  in iop3xx_desc_init_xor()  local
505 	u_desc_ctrl.value = 0;  in iop3xx_desc_init_xor()
508 		u_desc_ctrl.field.blk_ctrl = 0x3; /* use EDCR[2:0] */  in iop3xx_desc_init_xor()
519 		if (!u_desc_ctrl.field.blk_ctrl) {  in iop3xx_desc_init_xor()
521 			u_desc_ctrl.field.blk_ctrl = 0x3; /* use EDCR[2:0] */  in iop3xx_desc_init_xor()
533 		if (!u_desc_ctrl.field.blk_ctrl)  in iop3xx_desc_init_xor()
534 			u_desc_ctrl.field.blk_ctrl = 0x2; /* use EDCR0 */  in iop3xx_desc_init_xor()
547 			u_desc_ctrl.value |= (1 << shift);  in iop3xx_desc_init_xor()
551 		if (!u_desc_ctrl.field.blk_ctrl && src_cnt > 4)  in iop3xx_desc_init_xor()
552 			u_desc_ctrl.field.blk_ctrl = 0x1; /* use mini-desc */  in iop3xx_desc_init_xor()
555 	u_desc_ctrl.field.dest_write_en = 1;  in iop3xx_desc_init_xor()
556 	u_desc_ctrl.field.blk1_cmd_ctrl = 0x7; /* direct fill */  in iop3xx_desc_init_xor()
557 	u_desc_ctrl.field.int_en = flags & DMA_PREP_INTERRUPT;  in iop3xx_desc_init_xor()
558 	hw_desc->desc_ctrl = u_desc_ctrl.value;  in iop3xx_desc_init_xor()
560 	return u_desc_ctrl.value;  in iop3xx_desc_init_xor()
580 	} u_desc_ctrl;  in iop_desc_init_zero_sum()  local
588 		u_desc_ctrl.value = iop3xx_desc_init_xor(iter, src_cnt, flags);  in iop_desc_init_zero_sum()
589 		u_desc_ctrl.field.dest_write_en = 0;  in iop_desc_init_zero_sum()
590 		u_desc_ctrl.field.zero_result_en = 1;  in iop_desc_init_zero_sum()
591 		u_desc_ctrl.field.int_en = flags & DMA_PREP_INTERRUPT;  in iop_desc_init_zero_sum()
592 		iter->desc_ctrl = u_desc_ctrl.value;  in iop_desc_init_zero_sum()
616 	} u_desc_ctrl;  in iop_desc_init_null_xor()  local
618 	u_desc_ctrl.value = 0;  in iop_desc_init_null_xor()
621 		u_desc_ctrl.field.blk_ctrl = 0x3; /* use EDCR[2:0] */  in iop_desc_init_null_xor()
625 		if (!u_desc_ctrl.field.blk_ctrl) {  in iop_desc_init_null_xor()
627 			u_desc_ctrl.field.blk_ctrl = 0x3; /* use EDCR[2:0] */  in iop_desc_init_null_xor()
632 		if (!u_desc_ctrl.field.blk_ctrl)  in iop_desc_init_null_xor()
633 			u_desc_ctrl.field.blk_ctrl = 0x2; /* use EDCR0 */  in iop_desc_init_null_xor()
637 		if (!u_desc_ctrl.field.blk_ctrl && src_cnt > 4)  in iop_desc_init_null_xor()
638 			u_desc_ctrl.field.blk_ctrl = 0x1; /* use mini-desc */  in iop_desc_init_null_xor()
641 	u_desc_ctrl.field.dest_write_en = 0;  in iop_desc_init_null_xor()
642 	u_desc_ctrl.field.int_en = flags & DMA_PREP_INTERRUPT;  in iop_desc_init_null_xor()
643 	hw_desc->desc_ctrl = u_desc_ctrl.value;  in iop_desc_init_null_xor()