125 static int twa_aen_read_queue(TW_Device_Extension *tw_dev, int request_id);
127 static void twa_aen_sync_time(TW_Device_Extension *tw_dev, int request_id);
130 static int twa_fill_sense(TW_Device_Extension *tw_dev, int request_id, int copy_sense, int print_ho…
131 static void twa_free_request_id(TW_Device_Extension *tw_dev,int request_id);
132 static void twa_get_request_id(TW_Device_Extension *tw_dev, int *request_id);
143 …TW_Device_Extension *tw_dev, TW_Command_Full *full_command_packet, int request_id, dma_addr_t dma_…
144 static int twa_poll_response(TW_Device_Extension *tw_dev, int request_id, int seconds);
146 static int twa_post_command_packet(TW_Device_Extension *tw_dev, int request_id, char internal);
149 static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id, char *cdb, int use_…
150 static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int request_id);
152 static void twa_unmap_scsi_data(TW_Device_Extension *tw_dev, int request_id);
230 static int twa_aen_complete(TW_Device_Extension *tw_dev, int request_id)  in twa_aen_complete()  argument
238 	header = (TW_Command_Apache_Header *)tw_dev->generic_buffer_virt[request_id];  in twa_aen_complete()
241 	full_command_packet = tw_dev->command_packet_virt[request_id];  in twa_aen_complete()
247 		if (twa_aen_read_queue(tw_dev, request_id))  in twa_aen_complete()
260 		twa_aen_sync_time(tw_dev, request_id);  in twa_aen_complete()
267 		if (twa_aen_read_queue(tw_dev, request_id))  in twa_aen_complete()
276 	tw_dev->state[request_id] = TW_S_COMPLETED;  in twa_aen_complete()
277 	twa_free_request_id(tw_dev, request_id);  in twa_aen_complete()
286 	int request_id = 0;  in twa_aen_drain_queue()  local
300 	full_command_packet = tw_dev->command_packet_virt[request_id];  in twa_aen_drain_queue()
311 	sglist[0].address = tw_dev->generic_buffer_phys[request_id];  in twa_aen_drain_queue()
319 	tw_dev->srb[request_id] = NULL;  in twa_aen_drain_queue()
323 		if (twa_scsiop_execute_scsi(tw_dev, request_id, cdb, 1, sglist)) {  in twa_aen_drain_queue()
329 		if (twa_poll_response(tw_dev, request_id, 30)) {  in twa_aen_drain_queue()
336 		header = (TW_Command_Apache_Header *)tw_dev->generic_buffer_virt[request_id];  in twa_aen_drain_queue()
370 	tw_dev->state[request_id] = TW_S_INITIAL;  in twa_aen_drain_queue()
431 static int twa_aen_read_queue(TW_Device_Extension *tw_dev, int request_id)  in twa_aen_read_queue()  argument
438 	full_command_packet = tw_dev->command_packet_virt[request_id];  in twa_aen_read_queue()
449 	sglist[0].address = tw_dev->generic_buffer_phys[request_id];  in twa_aen_read_queue()
452 	tw_dev->srb[request_id] = NULL;  in twa_aen_read_queue()
455 	if (twa_scsiop_execute_scsi(tw_dev, request_id, cdb, 1, sglist)) {  in twa_aen_read_queue()
479 static void twa_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)  in twa_aen_sync_time()  argument
489 	full_command_packet = tw_dev->command_packet_virt[request_id];  in twa_aen_sync_time()
493 	command_packet->request_id = request_id;  in twa_aen_sync_time()
494 …packet->byte8_offset.param.sgl[0].address = TW_CPU_TO_SGL(tw_dev->generic_buffer_phys[request_id]);  in twa_aen_sync_time()
500 	param = (TW_Param_Apache *)tw_dev->generic_buffer_virt[request_id];  in twa_aen_sync_time()
516 	tw_dev->srb[request_id] = NULL;  in twa_aen_sync_time()
519 	twa_post_command_packet(tw_dev, request_id, 1);  in twa_aen_sync_time()
647 	int request_id = 0;  in twa_chrdev_ioctl()  local
700 		twa_get_request_id(tw_dev, &request_id);  in twa_chrdev_ioctl()
703 		tw_dev->srb[request_id] = NULL;  in twa_chrdev_ioctl()
706 		tw_dev->chrdev_request_id = request_id;  in twa_chrdev_ioctl()
711 		twa_load_sgl(tw_dev, full_command_packet, request_id, dma_handle, data_buffer_length_adjusted);  in twa_chrdev_ioctl()
713 …memcpy(tw_dev->command_packet_virt[request_id], &(tw_ioctl->firmware_command), sizeof(TW_Command_F…  in twa_chrdev_ioctl()
716 		twa_post_command_packet(tw_dev, request_id, 1);  in twa_chrdev_ioctl()
736 …memcpy(&(tw_ioctl->firmware_command), tw_dev->command_packet_virt[request_id], sizeof(TW_Command_F…  in twa_chrdev_ioctl()
741 		tw_dev->state[request_id] = TW_S_COMPLETED;  in twa_chrdev_ioctl()
742 		twa_free_request_id(tw_dev, request_id);  in twa_chrdev_ioctl()
985 static int twa_fill_sense(TW_Device_Extension *tw_dev, int request_id, int copy_sense, int print_ho…  in twa_fill_sense()  argument
992 	full_command_packet = tw_dev->command_packet_virt[request_id];  in twa_fill_sense()
1020 …memcpy(tw_dev->srb[request_id]->sense_buffer, full_command_packet->header.sense_data, TW_SENSE_DAT…  in twa_fill_sense()
1021 		tw_dev->srb[request_id]->result = (full_command_packet->command.newcommand.status << 1);  in twa_fill_sense()
1049 static void twa_free_request_id(TW_Device_Extension *tw_dev, int request_id)  in twa_free_request_id()  argument
1051 	tw_dev->free_queue[tw_dev->free_tail] = request_id;  in twa_free_request_id()
1052 	tw_dev->state[request_id] = TW_S_FINISHED;  in twa_free_request_id()
1057 static void *twa_get_param(TW_Device_Extension *tw_dev, int request_id, int table_id, int parameter…  in twa_get_param()  argument
1065 	full_command_packet = tw_dev->command_packet_virt[request_id];  in twa_get_param()
1071 	command_packet->request_id        = request_id;  in twa_get_param()
1075 	param = (TW_Param_Apache *)tw_dev->generic_buffer_virt[request_id];  in twa_get_param()
1081 …packet->byte8_offset.param.sgl[0].address = TW_CPU_TO_SGL(tw_dev->generic_buffer_phys[request_id]);  in twa_get_param()
1085 	twa_post_command_packet(tw_dev, request_id, 1);  in twa_get_param()
1088 	if (twa_poll_response(tw_dev, request_id, 30))  in twa_get_param()
1094 	tw_dev->state[request_id] = TW_S_INITIAL;  in twa_get_param()
1100 static void twa_get_request_id(TW_Device_Extension *tw_dev, int *request_id)  in twa_get_request_id()  argument
1102 	*request_id = tw_dev->free_queue[tw_dev->free_head];  in twa_get_request_id()
1104 	tw_dev->state[*request_id] = TW_S_STARTED;  in twa_get_request_id()
1121 	int request_id = 0, retval = 1;  in twa_initconnection()  local
1124 	full_command_packet = tw_dev->command_packet_virt[request_id];  in twa_initconnection()
1130 	tw_initconnect->request_id = request_id;  in twa_initconnection()
1149 	twa_post_command_packet(tw_dev, request_id, 1);  in twa_initconnection()
1152 	if (twa_poll_response(tw_dev, request_id, 30)) {  in twa_initconnection()
1166 	tw_dev->state[request_id] = TW_S_INITIAL;  in twa_initconnection()
1220 	int request_id, error = 0;  in twa_interrupt()  local
1259 			twa_get_request_id(tw_dev, &request_id);  in twa_interrupt()
1261 			error = twa_aen_read_queue(tw_dev, request_id);  in twa_interrupt()
1263 				tw_dev->state[request_id] = TW_S_COMPLETED;  in twa_interrupt()
1264 				twa_free_request_id(tw_dev, request_id);  in twa_interrupt()
1275 			request_id = tw_dev->pending_queue[tw_dev->pending_head];  in twa_interrupt()
1276 			if (tw_dev->state[request_id] != TW_S_PENDING) {  in twa_interrupt()
1281 			if (twa_post_command_packet(tw_dev, request_id, 1)==0) {  in twa_interrupt()
1298 			request_id = TW_RESID_OUT(response_que.response_id);  in twa_interrupt()
1299 			full_command_packet = tw_dev->command_packet_virt[request_id];  in twa_interrupt()
1303 				if (tw_dev->srb[request_id] != NULL) {  in twa_interrupt()
1304 					error = twa_fill_sense(tw_dev, request_id, 1, 1);  in twa_interrupt()
1307 					if (request_id != tw_dev->chrdev_request_id) {  in twa_interrupt()
1308 						error = twa_fill_sense(tw_dev, request_id, 0, 1);  in twa_interrupt()
1314 			if (tw_dev->state[request_id] != TW_S_POSTED) {  in twa_interrupt()
1315 				if (tw_dev->srb[request_id] != NULL) {  in twa_interrupt()
1323 			if (tw_dev->srb[request_id] == NULL) {  in twa_interrupt()
1324 				if (request_id != tw_dev->chrdev_request_id) {  in twa_interrupt()
1325 					if (twa_aen_complete(tw_dev, request_id))  in twa_interrupt()
1334 				cmd = tw_dev->srb[request_id];  in twa_interrupt()
1336 				twa_scsiop_execute_scsi_complete(tw_dev, request_id);  in twa_interrupt()
1350 …(full_command_packet->command.newcommand.sg_list[0].length < scsi_bufflen(tw_dev->srb[request_id]))  in twa_interrupt()
1355 				tw_dev->state[request_id] = TW_S_COMPLETED;  in twa_interrupt()
1356 				twa_free_request_id(tw_dev, request_id);  in twa_interrupt()
1358 				tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);  in twa_interrupt()
1359 				twa_unmap_scsi_data(tw_dev, request_id);  in twa_interrupt()
1379 …TW_Device_Extension *tw_dev, TW_Command_Full *full_command_packet, int request_id, dma_addr_t dma_…  in twa_load_sgl()  argument
1392 			cpu_to_le16(TW_REQ_LUN_IN(TW_LUN_OUT(newcommand->request_id__lunl), request_id));  in twa_load_sgl()
1401 		oldcommand->request_id = request_id;  in twa_load_sgl()
1418 static int twa_map_scsi_sg_data(TW_Device_Extension *tw_dev, int request_id)  in twa_map_scsi_sg_data()  argument
1421 	struct scsi_cmnd *cmd = tw_dev->srb[request_id];  in twa_map_scsi_sg_data()
1438 static int twa_poll_response(TW_Device_Extension *tw_dev, int request_id, int seconds)  in twa_poll_response()  argument
1442 	TW_Command_Full *full_command_packet = tw_dev->command_packet_virt[request_id];  in twa_poll_response()
1447 		if (request_id != response_request_id) {  in twa_poll_response()
1454 				twa_fill_sense(tw_dev, request_id, 0, 0);  in twa_poll_response()
1461 				twa_fill_sense(tw_dev, request_id, 0, 0);  in twa_poll_response()
1532 static int twa_post_command_packet(TW_Device_Extension *tw_dev, int request_id, char internal)  in twa_post_command_packet()  argument
1538 	command_que_value = tw_dev->command_packet_phys[request_id];  in twa_post_command_packet()
1552 …if (((tw_dev->pending_request_count > 0) && (tw_dev->state[request_id] != TW_S_PENDING)) || (statu…  in twa_post_command_packet()
1561 		if (tw_dev->state[request_id] != TW_S_PENDING) {  in twa_post_command_packet()
1562 			tw_dev->state[request_id] = TW_S_PENDING;  in twa_post_command_packet()
1567 			tw_dev->pending_queue[tw_dev->pending_tail] = request_id;  in twa_post_command_packet()
1586 		tw_dev->state[request_id] = TW_S_POSTED;  in twa_post_command_packet()
1770 	int request_id, retval;  in twa_scsi_queue_lck()  local
1791 	twa_get_request_id(tw_dev, &request_id);  in twa_scsi_queue_lck()
1794 	tw_dev->srb[request_id] = SCpnt;  in twa_scsi_queue_lck()
1799 	retval = twa_scsiop_execute_scsi(tw_dev, request_id, NULL, 0, NULL);  in twa_scsi_queue_lck()
1802 		twa_free_request_id(tw_dev, request_id);  in twa_scsi_queue_lck()
1803 		twa_unmap_scsi_data(tw_dev, request_id);  in twa_scsi_queue_lck()
1806 		tw_dev->state[request_id] = TW_S_COMPLETED;  in twa_scsi_queue_lck()
1807 		twa_free_request_id(tw_dev, request_id);  in twa_scsi_queue_lck()
1808 		twa_unmap_scsi_data(tw_dev, request_id);  in twa_scsi_queue_lck()
1820 static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id, char *cdb, int use_…  in DEF_SCSI_QCMD()
1830 	if (tw_dev->srb[request_id]) {  in DEF_SCSI_QCMD()
1831 		srb = tw_dev->srb[request_id];  in DEF_SCSI_QCMD()
1837 	full_command_packet = tw_dev->command_packet_virt[request_id];  in DEF_SCSI_QCMD()
1855 			cpu_to_le16(TW_REQ_LUN_IN(srb->device->lun, request_id));  in DEF_SCSI_QCMD()
1858 			cpu_to_le16(TW_REQ_LUN_IN(0, request_id));  in DEF_SCSI_QCMD()
1873 							       tw_dev->generic_buffer_virt[request_id],  in DEF_SCSI_QCMD()
1875 				command_packet->sg_list[0].address = TW_CPU_TO_SGL(tw_dev->generic_buffer_phys[request_id]);  in DEF_SCSI_QCMD()
1878 				sg_count = twa_map_scsi_sg_data(tw_dev, request_id);  in DEF_SCSI_QCMD()
1891 …lunh = cpu_to_le16(TW_REQ_LUN_IN((srb->device->lun >> 4), scsi_sg_count(tw_dev->srb[request_id])));  in DEF_SCSI_QCMD()
1921 		tw_dev->sgl_entries = scsi_sg_count(tw_dev->srb[request_id]);  in DEF_SCSI_QCMD()
1928 		retval = twa_post_command_packet(tw_dev, request_id, 0);  in DEF_SCSI_QCMD()
1930 		twa_post_command_packet(tw_dev, request_id, 1);  in DEF_SCSI_QCMD()
1938 static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int request_id)  in twa_scsiop_execute_scsi_complete()  argument
1940 	struct scsi_cmnd *cmd = tw_dev->srb[request_id];  in twa_scsiop_execute_scsi_complete()
1946 			void *buf = tw_dev->generic_buffer_virt[request_id];  in twa_scsiop_execute_scsi_complete()
1995 static void twa_unmap_scsi_data(TW_Device_Extension *tw_dev, int request_id)  in twa_unmap_scsi_data()  argument
1997 	struct scsi_cmnd *cmd = tw_dev->srb[request_id];  in twa_unmap_scsi_data()