125 	struct mctp_astlpc_layout layout;  member
282 	} layout;  member
395 				   struct mctp_astlpc_layout *layout)  in mctp_astlpc_layout_read()  argument
406 		layout->rx.offset = be32toh(hdr.layout.tx_offset);  in mctp_astlpc_layout_read()
407 		layout->rx.size = be32toh(hdr.layout.tx_size);  in mctp_astlpc_layout_read()
408 		layout->tx.offset = be32toh(hdr.layout.rx_offset);  in mctp_astlpc_layout_read()
409 		layout->tx.size = be32toh(hdr.layout.rx_size);  in mctp_astlpc_layout_read()
413 		layout->rx.offset = be32toh(hdr.layout.rx_offset);  in mctp_astlpc_layout_read()
414 		layout->rx.size = be32toh(hdr.layout.rx_size);  in mctp_astlpc_layout_read()
415 		layout->tx.offset = be32toh(hdr.layout.tx_offset);  in mctp_astlpc_layout_read()
416 		layout->tx.size = be32toh(hdr.layout.tx_size);  in mctp_astlpc_layout_read()
423 				    struct mctp_astlpc_layout *layout)  in mctp_astlpc_layout_write()  argument
434 		hdr.layout.rx_offset = htobe32(layout->tx.offset);  in mctp_astlpc_layout_write()
435 		hdr.layout.rx_size = htobe32(layout->tx.size);  in mctp_astlpc_layout_write()
436 		hdr.layout.tx_offset = htobe32(layout->rx.offset);  in mctp_astlpc_layout_write()
437 		hdr.layout.tx_size = htobe32(layout->rx.size);  in mctp_astlpc_layout_write()
439 		return mctp_astlpc_lpc_write(astlpc, &hdr.layout,  in mctp_astlpc_layout_write()
441 						      layout),  in mctp_astlpc_layout_write()
442 					     sizeof(hdr.layout));  in mctp_astlpc_layout_write()
451 	rx_size_be = htobe32(layout->rx.size);  in mctp_astlpc_layout_write()
454 					      layout.rx_size),  in mctp_astlpc_layout_write()
508 			    const struct mctp_astlpc_layout *layout)  in mctp_astlpc_layout_validate()  argument
510 	const struct mctp_astlpc_buffer *rx = &layout->rx;  in mctp_astlpc_layout_validate()
511 	const struct mctp_astlpc_buffer *tx = &layout->tx;  in mctp_astlpc_layout_validate()
561 	astlpc->layout.tx.offset = control_size;  in mctp_astlpc_init_bmc()
562 	astlpc->layout.tx.size = sz;  in mctp_astlpc_init_bmc()
563 	astlpc->layout.rx.offset =  in mctp_astlpc_init_bmc()
564 		astlpc->layout.tx.offset + astlpc->layout.tx.size;  in mctp_astlpc_init_bmc()
565 	astlpc->layout.rx.size = sz;  in mctp_astlpc_init_bmc()
567 	if (!mctp_astlpc_layout_validate(astlpc, &astlpc->layout)) {  in mctp_astlpc_init_bmc()
579 		.layout.rx_offset = htobe32(astlpc->layout.tx.offset),  in mctp_astlpc_init_bmc()
580 		.layout.rx_size = htobe32(astlpc->layout.tx.size),  in mctp_astlpc_init_bmc()
581 		.layout.tx_offset = htobe32(astlpc->layout.rx.offset),  in mctp_astlpc_init_bmc()
582 		.layout.tx_size = htobe32(astlpc->layout.rx.size),  in mctp_astlpc_init_bmc()
641 	struct mctp_astlpc_layout layout;  in mctp_astlpc_negotiate_layout_host()  local
646 	rc = mctp_astlpc_layout_read(astlpc, &layout);  in mctp_astlpc_negotiate_layout_host()
650 	if (!mctp_astlpc_layout_validate(astlpc, &layout)) {  in mctp_astlpc_negotiate_layout_host()
653 			"BMC provided invalid buffer layout: Rx {0x%" PRIx32  in mctp_astlpc_negotiate_layout_host()
655 			layout.rx.offset, layout.rx.size, layout.tx.offset,  in mctp_astlpc_negotiate_layout_host()
656 			layout.tx.size);  in mctp_astlpc_negotiate_layout_host()
665 	layout.rx.size = sz;  in mctp_astlpc_negotiate_layout_host()
667 	if (!mctp_astlpc_layout_validate(astlpc, &layout)) {  in mctp_astlpc_negotiate_layout_host()
670 			"Generated invalid buffer layout with size %" PRIu32  in mctp_astlpc_negotiate_layout_host()
673 			sz, layout.rx.offset, layout.rx.size, layout.tx.offset,  in mctp_astlpc_negotiate_layout_host()
674 			layout.tx.size);  in mctp_astlpc_negotiate_layout_host()
681 	return mctp_astlpc_layout_write(astlpc, &layout);  in mctp_astlpc_negotiate_layout_host()
846 	if (len > astlpc->proto->body_size(astlpc->layout.tx.size)) {  in mctp_binding_astlpc_tx()
849 			      astlpc->proto->body_size(astlpc->layout.tx.size));  in mctp_binding_astlpc_tx()
856 	mctp_astlpc_lpc_write(astlpc, &len_be, astlpc->layout.tx.offset,  in mctp_binding_astlpc_tx()
862 	mctp_astlpc_lpc_write(astlpc, hdr, astlpc->layout.tx.offset + 4, len);  in mctp_binding_astlpc_tx()
864 	astlpc->layout.tx.state = buffer_state_prepared;  in mctp_binding_astlpc_tx()
868 		astlpc->layout.tx.state = buffer_state_released;  in mctp_binding_astlpc_tx()
894 					  struct mctp_astlpc_layout *layout)  in mctp_astlpc_calculate_mtu()  argument
899 	low = MIN(astlpc->layout.rx.offset, astlpc->layout.tx.offset);  in mctp_astlpc_calculate_mtu()
900 	high = MAX(astlpc->layout.rx.offset, astlpc->layout.tx.offset);  in mctp_astlpc_calculate_mtu()
912 	rpkt = MIN(limit, layout->tx.size);  in mctp_astlpc_calculate_mtu()
926 	/* Extract the host's proposed layout */  in mctp_astlpc_negotiate_layout_bmc()
931 	/* Do we have a reasonable layout? */  in mctp_astlpc_negotiate_layout_bmc()
943 	pending = astlpc->layout;  in mctp_astlpc_negotiate_layout_bmc()
949 		astlpc->layout = pending;  in mctp_astlpc_negotiate_layout_bmc()
952 		rc = mctp_astlpc_layout_write(astlpc, &astlpc->layout);  in mctp_astlpc_negotiate_layout_bmc()
1005 	astlpc->layout.tx.state = buffer_state_acquired;  in mctp_astlpc_init_channel()
1006 	astlpc->layout.rx.state = buffer_state_released;  in mctp_astlpc_init_channel()
1030 	mctp_astlpc_lpc_read(astlpc, &body, astlpc->layout.rx.offset,  in mctp_astlpc_rx_start()
1034 	if (body > astlpc->proto->body_size(astlpc->layout.rx.size)) {  in mctp_astlpc_rx_start()
1058 			     astlpc->layout.rx.offset + 4, packet);  in mctp_astlpc_rx_start()
1060 	astlpc->layout.rx.state = buffer_state_prepared;  in mctp_astlpc_rx_start()
1066 		astlpc->layout.rx.state = buffer_state_released;  in mctp_astlpc_rx_start()
1091 	astlpc->layout.tx.state = buffer_state_acquired;  in mctp_astlpc_tx_complete()
1097 	struct mctp_astlpc_layout layout;  in mctp_astlpc_finalise_channel()  local
1121 	rc = mctp_astlpc_layout_read(astlpc, &layout);  in mctp_astlpc_finalise_channel()
1125 	if (!mctp_astlpc_layout_validate(astlpc, &layout)) {  in mctp_astlpc_finalise_channel()
1130 	astlpc->layout = layout;  in mctp_astlpc_finalise_channel()
1134 			astlpc->proto->body_size(astlpc->layout.tx.size);  in mctp_astlpc_finalise_channel()
1137 	astlpc->layout.tx.state = buffer_state_acquired;  in mctp_astlpc_finalise_channel()
1138 	astlpc->layout.rx.state = buffer_state_released;  in mctp_astlpc_finalise_channel()
1162 			astlpc->layout.rx.state = buffer_state_idle;  in mctp_astlpc_update_channel()
1163 			astlpc->layout.tx.state = buffer_state_idle;  in mctp_astlpc_update_channel()
1172 		astlpc->layout.rx.state = buffer_state_idle;  in mctp_astlpc_update_channel()
1173 		astlpc->layout.tx.state = buffer_state_idle;  in mctp_astlpc_update_channel()
1186 	return astlpc->layout.tx.state == buffer_state_acquired;  in mctp_astlpc_tx_done()
1194 	if (astlpc->layout.rx.state == buffer_state_prepared)  in mctp_astlpc_poll()
1196 			astlpc->layout.rx.state = buffer_state_released;  in mctp_astlpc_poll()
1198 	if (astlpc->layout.tx.state == buffer_state_prepared)  in mctp_astlpc_poll()
1200 			astlpc->layout.tx.state = buffer_state_released;  in mctp_astlpc_poll()
1233 		if (astlpc->layout.rx.state != buffer_state_released) {  in mctp_astlpc_poll()
1237 				data, astlpc->layout.rx.state);  in mctp_astlpc_poll()
1243 		if (astlpc->layout.tx.state != buffer_state_released) {  in mctp_astlpc_poll()
1247 				data, astlpc->layout.tx.state);  in mctp_astlpc_poll()
1289 	astlpc->layout.rx.state = buffer_state_idle;  in __mctp_astlpc_init()
1290 	astlpc->layout.tx.state = buffer_state_idle;  in __mctp_astlpc_init()
1489 	release = astlpc->layout.rx.state == buffer_state_prepared ||  in mctp_astlpc_init_pollfd()
1490 		  astlpc->layout.tx.state == buffer_state_prepared;  in mctp_astlpc_init_pollfd()