357 static int tw_post_command_packet(TW_Device_Extension *tw_dev, int request_id)  in tw_post_command_packet()  argument
363 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_post_command_packet()
374 		tw_dev->state[request_id] = TW_S_POSTED;  in tw_post_command_packet()
381 		if (tw_dev->state[request_id] != TW_S_PENDING) {  in tw_post_command_packet()
382 			tw_dev->state[request_id] = TW_S_PENDING;  in tw_post_command_packet()
387 			tw_dev->pending_queue[tw_dev->pending_tail] = request_id;  in tw_post_command_packet()
401 static int tw_decode_sense(TW_Device_Extension *tw_dev, int request_id, int fill_sense)  in tw_decode_sense()  argument
407 	command = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_decode_sense()
418 					tw_dev->srb[request_id]->sense_buffer[0] = (0x1 << 7 | 0x70);  in tw_decode_sense()
421 					tw_dev->srb[request_id]->sense_buffer[2] = tw_sense_table[i][1];  in tw_decode_sense()
424 					tw_dev->srb[request_id]->sense_buffer[7] = 0xa; /* 10 bytes */  in tw_decode_sense()
427 					tw_dev->srb[request_id]->sense_buffer[12] = tw_sense_table[i][2];  in tw_decode_sense()
430 					tw_dev->srb[request_id]->sense_buffer[13] = tw_sense_table[i][3];  in tw_decode_sense()
432 					tw_dev->srb[request_id]->result = (DID_OK << 16) | (CHECK_CONDITION << 1);  in tw_decode_sense()
474 static void tw_state_request_finish(TW_Device_Extension *tw_dev, int request_id)  in tw_state_request_finish()  argument
476 	tw_dev->free_queue[tw_dev->free_tail] = request_id;  in tw_state_request_finish()
477 	tw_dev->state[request_id] = TW_S_FINISHED;  in tw_state_request_finish()
482 static void tw_state_request_start(TW_Device_Extension *tw_dev, int *request_id)  in tw_state_request_start()  argument
484 	*request_id = tw_dev->free_queue[tw_dev->free_head];  in tw_state_request_start()
486 	tw_dev->state[*request_id] = TW_S_STARTED;  in tw_state_request_start()
541 static int tw_aen_read_queue(TW_Device_Extension *tw_dev, int request_id)   in tw_aen_read_queue()  argument
557 	if (tw_dev->command_packet_virtual_address[request_id] == NULL) {  in tw_aen_read_queue()
561 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_aen_read_queue()
565 	command_packet->request_id = request_id;  in tw_aen_read_queue()
569 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_aen_read_queue()
575 	if (tw_dev->alignment_virtual_address[request_id] == NULL) {  in tw_aen_read_queue()
579 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_aen_read_queue()
584 	param_value = tw_dev->alignment_physical_address[request_id];  in tw_aen_read_queue()
595 		tw_dev->srb[request_id] = NULL; /* Flag internal command */  in tw_aen_read_queue()
596 		tw_dev->state[request_id] = TW_S_POSTED;  in tw_aen_read_queue()
607 static int tw_aen_complete(TW_Device_Extension *tw_dev, int request_id)   in tw_aen_complete()  argument
614 	if (tw_dev->alignment_virtual_address[request_id] == NULL) {  in tw_aen_complete()
618 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_aen_complete()
656 		error = tw_aen_read_queue(tw_dev, request_id);  in tw_aen_complete()
659 			tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_aen_complete()
660 			tw_state_request_finish(tw_dev, request_id);  in tw_aen_complete()
663 		tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_aen_complete()
664 		tw_state_request_finish(tw_dev, request_id);  in tw_aen_complete()
675 	int request_id = 0;  in tw_aen_drain_queue()  local
698 	if (tw_dev->command_packet_virtual_address[request_id] == NULL) {  in tw_aen_drain_queue()
702 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_aen_drain_queue()
706 	command_packet->request_id = request_id;  in tw_aen_drain_queue()
710 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_aen_drain_queue()
717 	if (tw_dev->alignment_virtual_address[request_id] == NULL) {  in tw_aen_drain_queue()
721 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_aen_drain_queue()
726 	param_value = tw_dev->alignment_physical_address[request_id];  in tw_aen_drain_queue()
742 			request_id = TW_RESID_OUT(response_queue.response_id);  in tw_aen_drain_queue()
744 			if (request_id != 0) {  in tw_aen_drain_queue()
753 					tw_decode_sense(tw_dev, request_id, 0);  in tw_aen_drain_queue()
875 	int request_id;  in tw_chrdev_ioctl()  local
954 			tw_state_request_start(tw_dev, &request_id);  in tw_chrdev_ioctl()
957 			tw_dev->srb[request_id] = NULL;  in tw_chrdev_ioctl()
960 			tw_dev->chrdev_request_id = request_id;  in tw_chrdev_ioctl()
962 			tw_ioctl->firmware_command.request_id = request_id;  in tw_chrdev_ioctl()
980 …memcpy(tw_dev->command_packet_virtual_address[request_id], &(tw_ioctl->firmware_command), sizeof(T…  in tw_chrdev_ioctl()
983 			tw_post_command_packet(tw_dev, request_id);  in tw_chrdev_ioctl()
1003 …memcpy(&(tw_ioctl->firmware_command), tw_dev->command_packet_virtual_address[request_id], sizeof(T…  in tw_chrdev_ioctl()
1008 			tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_chrdev_ioctl()
1009 			tw_state_request_finish(tw_dev, request_id);  in tw_chrdev_ioctl()
1083 	int request_id = 0;  in tw_initconnection()  local
1088 	if (tw_dev->command_packet_virtual_address[request_id] == NULL) {  in tw_initconnection()
1093 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_initconnection()
1097 	command_packet->request_id = request_id;  in tw_initconnection()
1102 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_initconnection()
1115 		request_id = TW_RESID_OUT(response_queue.response_id);  in tw_initconnection()
1117 		if (request_id != 0) {  in tw_initconnection()
1124 			tw_decode_sense(tw_dev, request_id, 0);  in tw_initconnection()
1138 	int request_id = 0;  in tw_setfeature()  local
1143 	if (tw_dev->command_packet_virtual_address[request_id] == NULL) {  in tw_setfeature()
1147 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_setfeature()
1149 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_setfeature()
1157 	param_value = tw_dev->alignment_physical_address[request_id];  in tw_setfeature()
1160 		tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_setfeature()
1161 		tw_state_request_finish(tw_dev, request_id);  in tw_setfeature()
1162 		tw_dev->srb[request_id]->result = (DID_OK << 16);  in tw_setfeature()
1163 		tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);  in tw_setfeature()
1169 	command_packet->request_id = request_id;  in tw_setfeature()
1172   	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_setfeature()
1184 		request_id = TW_RESID_OUT(response_queue.response_id);  in tw_setfeature()
1186 		if (request_id != 0) {  in tw_setfeature()
1193 			tw_decode_sense(tw_dev, request_id, 0);  in tw_setfeature()
1398 static int tw_scsiop_inquiry(TW_Device_Extension *tw_dev, int request_id)  in tw_scsiop_inquiry()  argument
1408 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_scsiop_inquiry()
1416 	command_packet->request_id = request_id;  in tw_scsiop_inquiry()
1422 	if (tw_dev->alignment_virtual_address[request_id] == NULL) {  in tw_scsiop_inquiry()
1426 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_scsiop_inquiry()
1431 	param_value = tw_dev->alignment_physical_address[request_id];  in tw_scsiop_inquiry()
1439 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_scsiop_inquiry()
1446 	tw_post_command_packet(tw_dev, request_id);  in tw_scsiop_inquiry()
1451 static void tw_transfer_internal(TW_Device_Extension *tw_dev, int request_id,  in tw_transfer_internal()  argument
1454 	scsi_sg_copy_from_buffer(tw_dev->srb[request_id], data, len);  in tw_transfer_internal()
1458 static int tw_scsiop_inquiry_complete(TW_Device_Extension *tw_dev, int request_id)  in tw_scsiop_inquiry_complete()  argument
1472 	sprintf(&request_buffer[16], "Logical Disk %-2d ", tw_dev->srb[request_id]->device->id);  in tw_scsiop_inquiry_complete()
1474 	tw_transfer_internal(tw_dev, request_id, request_buffer,  in tw_scsiop_inquiry_complete()
1477 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_scsiop_inquiry_complete()
1484 	if (is_unit_present[tw_dev->srb[request_id]->device->id] & TW_UNIT_ONLINE) {  in tw_scsiop_inquiry_complete()
1485 		tw_dev->is_unit_present[tw_dev->srb[request_id]->device->id] = 1;  in tw_scsiop_inquiry_complete()
1487 		tw_dev->is_unit_present[tw_dev->srb[request_id]->device->id] = 0;  in tw_scsiop_inquiry_complete()
1488 		tw_dev->srb[request_id]->result = (DID_BAD_TARGET << 16);  in tw_scsiop_inquiry_complete()
1496 static int tw_scsiop_mode_sense(TW_Device_Extension *tw_dev, int request_id)  in tw_scsiop_mode_sense()  argument
1506 	if (tw_dev->srb[request_id]->cmnd[2] != 0x8) {  in tw_scsiop_mode_sense()
1507 		tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_scsiop_mode_sense()
1508 		tw_state_request_finish(tw_dev, request_id);  in tw_scsiop_mode_sense()
1509 		tw_dev->srb[request_id]->result = (DID_OK << 16);  in tw_scsiop_mode_sense()
1510 		tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);  in tw_scsiop_mode_sense()
1515 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_scsiop_mode_sense()
1525 	command_packet->request_id = request_id;  in tw_scsiop_mode_sense()
1531 	if (tw_dev->alignment_virtual_address[request_id] == NULL) {  in tw_scsiop_mode_sense()
1536 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_scsiop_mode_sense()
1538 	param->table_id = TW_UNIT_INFORMATION_TABLE_BASE + tw_dev->srb[request_id]->device->id;  in tw_scsiop_mode_sense()
1541 	param_value = tw_dev->alignment_physical_address[request_id];  in tw_scsiop_mode_sense()
1549 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_scsiop_mode_sense()
1556 	tw_post_command_packet(tw_dev, request_id);  in tw_scsiop_mode_sense()
1562 static int tw_scsiop_mode_sense_complete(TW_Device_Extension *tw_dev, int request_id)  in tw_scsiop_mode_sense_complete()  argument
1570 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_scsiop_mode_sense_complete()
1588 	tw_transfer_internal(tw_dev, request_id, request_buffer,  in tw_scsiop_mode_sense_complete()
1595 static int tw_scsiop_read_capacity(TW_Device_Extension *tw_dev, int request_id)   in tw_scsiop_read_capacity()  argument
1605 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_scsiop_read_capacity()
1614 	command_packet->request_id = request_id;  in tw_scsiop_read_capacity()
1615 	command_packet->unit__hostid = TW_UNITHOST_IN(0, tw_dev->srb[request_id]->device->id);  in tw_scsiop_read_capacity()
1621 	if (tw_dev->alignment_virtual_address[request_id] == NULL) {  in tw_scsiop_read_capacity()
1625 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_scsiop_read_capacity()
1628 	tw_dev->srb[request_id]->device->id;  in tw_scsiop_read_capacity()
1631 	param_value = tw_dev->alignment_physical_address[request_id];  in tw_scsiop_read_capacity()
1639 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_scsiop_read_capacity()
1646 	tw_post_command_packet(tw_dev, request_id);  in tw_scsiop_read_capacity()
1652 static int tw_scsiop_read_capacity_complete(TW_Device_Extension *tw_dev, int request_id)  in tw_scsiop_read_capacity_complete()  argument
1662 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_scsiop_read_capacity_complete()
1689 	tw_transfer_internal(tw_dev, request_id, buff, sizeof(buff));  in tw_scsiop_read_capacity_complete()
1695 static int tw_scsiop_read_write(TW_Device_Extension *tw_dev, int request_id)   in tw_scsiop_read_write()  argument
1706 	srb = tw_dev->srb[request_id];  in tw_scsiop_read_write()
1715 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_scsiop_read_write()
1728 	command_packet->request_id = request_id;  in tw_scsiop_read_write()
1759 	scsi_for_each_sg(tw_dev->srb[request_id], sg, use_sg, i) {  in tw_scsiop_read_write()
1766 	tw_dev->sgl_entries = scsi_sg_count(tw_dev->srb[request_id]);  in tw_scsiop_read_write()
1770 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_scsiop_read_write()
1777 	tw_post_command_packet(tw_dev, request_id);  in tw_scsiop_read_write()
1783 static int tw_scsiop_request_sense(TW_Device_Extension *tw_dev, int request_id)  in tw_scsiop_request_sense()  argument
1793 	tw_transfer_internal(tw_dev, request_id, request_buffer,  in tw_scsiop_request_sense()
1796 	tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_scsiop_request_sense()
1797 	tw_state_request_finish(tw_dev, request_id);  in tw_scsiop_request_sense()
1800 	tw_dev->srb[request_id]->result = (DID_ERROR << 16);  in tw_scsiop_request_sense()
1801 	tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);  in tw_scsiop_request_sense()
1807 static int tw_scsiop_synchronize_cache(TW_Device_Extension *tw_dev, int request_id)  in tw_scsiop_synchronize_cache()  argument
1815 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_scsiop_synchronize_cache()
1825 	command_packet->request_id = request_id;  in tw_scsiop_synchronize_cache()
1826 	command_packet->unit__hostid = TW_UNITHOST_IN(0, tw_dev->srb[request_id]->device->id);  in tw_scsiop_synchronize_cache()
1830 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_scsiop_synchronize_cache()
1837 	tw_post_command_packet(tw_dev, request_id);  in tw_scsiop_synchronize_cache()
1843 static int tw_scsiop_test_unit_ready(TW_Device_Extension *tw_dev, int request_id)  in tw_scsiop_test_unit_ready()  argument
1853 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_scsiop_test_unit_ready()
1861 	command_packet->request_id = request_id;  in tw_scsiop_test_unit_ready()
1867 	if (tw_dev->alignment_virtual_address[request_id] == NULL) {  in tw_scsiop_test_unit_ready()
1871 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_scsiop_test_unit_ready()
1876 	param_value = tw_dev->alignment_physical_address[request_id];  in tw_scsiop_test_unit_ready()
1884 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_scsiop_test_unit_ready()
1891 	tw_post_command_packet(tw_dev, request_id);  in tw_scsiop_test_unit_ready()
1897 static int tw_scsiop_test_unit_ready_complete(TW_Device_Extension *tw_dev, int request_id)  in tw_scsiop_test_unit_ready_complete()  argument
1904 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_scsiop_test_unit_ready_complete()
1911 	if (is_unit_present[tw_dev->srb[request_id]->device->id] & TW_UNIT_ONLINE) {  in tw_scsiop_test_unit_ready_complete()
1912 		tw_dev->is_unit_present[tw_dev->srb[request_id]->device->id] = 1;  in tw_scsiop_test_unit_ready_complete()
1914 		tw_dev->is_unit_present[tw_dev->srb[request_id]->device->id] = 0;  in tw_scsiop_test_unit_ready_complete()
1915 		tw_dev->srb[request_id]->result = (DID_BAD_TARGET << 16);  in tw_scsiop_test_unit_ready_complete()
1926 	int request_id = 0;  in tw_scsi_queue_lck()  local
1938 	tw_state_request_start(tw_dev, &request_id);  in tw_scsi_queue_lck()
1941 	tw_dev->srb[request_id] = SCpnt;  in tw_scsi_queue_lck()
1949 			retval = tw_scsiop_read_write(tw_dev, request_id);  in tw_scsi_queue_lck()
1953 			retval = tw_scsiop_test_unit_ready(tw_dev, request_id);  in tw_scsi_queue_lck()
1957 			retval = tw_scsiop_inquiry(tw_dev, request_id);  in tw_scsi_queue_lck()
1961 			retval = tw_scsiop_read_capacity(tw_dev, request_id);  in tw_scsi_queue_lck()
1965 		        retval = tw_scsiop_request_sense(tw_dev, request_id);  in tw_scsi_queue_lck()
1969 			retval = tw_scsiop_mode_sense(tw_dev, request_id);  in tw_scsi_queue_lck()
1973 			retval = tw_scsiop_synchronize_cache(tw_dev, request_id);  in tw_scsi_queue_lck()
1980 			tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_scsi_queue_lck()
1981 			tw_state_request_finish(tw_dev, request_id);  in tw_scsi_queue_lck()
1988 		tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_scsi_queue_lck()
1989 		tw_state_request_finish(tw_dev, request_id);  in tw_scsi_queue_lck()
2002 	int request_id;  in DEF_SCSI_QCMD()  local
2045 		tw_state_request_start(tw_dev, &request_id);  in DEF_SCSI_QCMD()
2046 		error = tw_aen_read_queue(tw_dev, request_id);  in DEF_SCSI_QCMD()
2049 			tw_dev->state[request_id] = TW_S_COMPLETED;  in DEF_SCSI_QCMD()
2050 			tw_state_request_finish(tw_dev, request_id);  in DEF_SCSI_QCMD()
2058 			request_id = tw_dev->pending_queue[tw_dev->pending_head];  in DEF_SCSI_QCMD()
2059 			if (tw_dev->state[request_id] != TW_S_PENDING) {  in DEF_SCSI_QCMD()
2063 			if (tw_post_command_packet(tw_dev, request_id)==0) {  in DEF_SCSI_QCMD()
2086 			request_id = TW_RESID_OUT(response_que.response_id);  in DEF_SCSI_QCMD()
2087 			command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in DEF_SCSI_QCMD()
2093 				if (tw_dev->srb[request_id] == NULL) {  in DEF_SCSI_QCMD()
2094 					tw_decode_sense(tw_dev, request_id, 0);  in DEF_SCSI_QCMD()
2096 					error = tw_decode_sense(tw_dev, request_id, 1);  in DEF_SCSI_QCMD()
2101 			if (tw_dev->state[request_id] != TW_S_POSTED) {  in DEF_SCSI_QCMD()
2102 				if (tw_dev->srb[request_id] != NULL) {  in DEF_SCSI_QCMD()
2108 			dprintk(KERN_NOTICE "3w-xxxx: tw_interrupt(): Response queue request id: %d.\n", request_id);  in DEF_SCSI_QCMD()
2111 			if (tw_dev->srb[request_id] == NULL) {  in DEF_SCSI_QCMD()
2114 				if (request_id != tw_dev->chrdev_request_id) {  in DEF_SCSI_QCMD()
2115 					retval = tw_aen_complete(tw_dev, request_id);  in DEF_SCSI_QCMD()
2124 				switch (tw_dev->srb[request_id]->cmnd[0]) {  in DEF_SCSI_QCMD()
2135 					error = tw_scsiop_test_unit_ready_complete(tw_dev, request_id);  in DEF_SCSI_QCMD()
2139 					error = tw_scsiop_inquiry_complete(tw_dev, request_id);  in DEF_SCSI_QCMD()
2143 					error = tw_scsiop_read_capacity_complete(tw_dev, request_id);  in DEF_SCSI_QCMD()
2147 					error = tw_scsiop_mode_sense_complete(tw_dev, request_id);  in DEF_SCSI_QCMD()
2159 					tw_dev->srb[request_id]->result = (DID_OK << 16);  in DEF_SCSI_QCMD()
2165 					tw_dev->srb[request_id]->result = (DID_OK << 16) | (CHECK_CONDITION << 1);  in DEF_SCSI_QCMD()
2170 					scsi_dma_unmap(tw_dev->srb[request_id]);  in DEF_SCSI_QCMD()
2171 					tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);  in DEF_SCSI_QCMD()
2172 					tw_dev->state[request_id] = TW_S_COMPLETED;  in DEF_SCSI_QCMD()
2173 					tw_state_request_finish(tw_dev, request_id);  in DEF_SCSI_QCMD()