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) | SAM_STAT_CHECK_CONDITION;  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()
543 static int tw_aen_read_queue(TW_Device_Extension *tw_dev, int request_id)  in tw_aen_read_queue()  argument
559 	if (tw_dev->command_packet_virtual_address[request_id] == NULL) {  in tw_aen_read_queue()
563 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_aen_read_queue()
567 	command_packet->request_id = request_id;  in tw_aen_read_queue()
571 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_aen_read_queue()
577 	if (tw_dev->alignment_virtual_address[request_id] == NULL) {  in tw_aen_read_queue()
581 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_aen_read_queue()
586 	param_value = tw_dev->alignment_physical_address[request_id];  in tw_aen_read_queue()
597 		tw_dev->srb[request_id] = NULL; /* Flag internal command */  in tw_aen_read_queue()
598 		tw_dev->state[request_id] = TW_S_POSTED;  in tw_aen_read_queue()
609 static int tw_aen_complete(TW_Device_Extension *tw_dev, int request_id)  in tw_aen_complete()  argument
616 	if (tw_dev->alignment_virtual_address[request_id] == NULL) {  in tw_aen_complete()
620 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_aen_complete()
658 		error = tw_aen_read_queue(tw_dev, request_id);  in tw_aen_complete()
661 			tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_aen_complete()
662 			tw_state_request_finish(tw_dev, request_id);  in tw_aen_complete()
665 		tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_aen_complete()
666 		tw_state_request_finish(tw_dev, request_id);  in tw_aen_complete()
677 	int request_id = 0;  in tw_aen_drain_queue()  local
700 	if (tw_dev->command_packet_virtual_address[request_id] == NULL) {  in tw_aen_drain_queue()
704 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_aen_drain_queue()
708 	command_packet->request_id = request_id;  in tw_aen_drain_queue()
712 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_aen_drain_queue()
719 	if (tw_dev->alignment_virtual_address[request_id] == NULL) {  in tw_aen_drain_queue()
723 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_aen_drain_queue()
728 	param_value = tw_dev->alignment_physical_address[request_id];  in tw_aen_drain_queue()
744 			request_id = TW_RESID_OUT(response_queue.response_id);  in tw_aen_drain_queue()
746 			if (request_id != 0) {  in tw_aen_drain_queue()
755 					tw_decode_sense(tw_dev, request_id, 0);  in tw_aen_drain_queue()
877 	int request_id;  in tw_chrdev_ioctl()  local
956 			tw_state_request_start(tw_dev, &request_id);  in tw_chrdev_ioctl()
959 			tw_dev->srb[request_id] = NULL;  in tw_chrdev_ioctl()
962 			tw_dev->chrdev_request_id = request_id;  in tw_chrdev_ioctl()
964 			tw_ioctl->firmware_command.request_id = request_id;  in tw_chrdev_ioctl()
982 …memcpy(tw_dev->command_packet_virtual_address[request_id], &(tw_ioctl->firmware_command), sizeof(T…  in tw_chrdev_ioctl()
985 			tw_post_command_packet(tw_dev, request_id);  in tw_chrdev_ioctl()
1005 …memcpy(&(tw_ioctl->firmware_command), tw_dev->command_packet_virtual_address[request_id], sizeof(T…  in tw_chrdev_ioctl()
1010 			tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_chrdev_ioctl()
1011 			tw_state_request_finish(tw_dev, request_id);  in tw_chrdev_ioctl()
1085 	int request_id = 0;  in tw_initconnection()  local
1090 	if (tw_dev->command_packet_virtual_address[request_id] == NULL) {  in tw_initconnection()
1095 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_initconnection()
1099 	command_packet->request_id = request_id;  in tw_initconnection()
1104 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_initconnection()
1117 		request_id = TW_RESID_OUT(response_queue.response_id);  in tw_initconnection()
1119 		if (request_id != 0) {  in tw_initconnection()
1126 			tw_decode_sense(tw_dev, request_id, 0);  in tw_initconnection()
1140 	int request_id = 0;  in tw_setfeature()  local
1145 	if (tw_dev->command_packet_virtual_address[request_id] == NULL) {  in tw_setfeature()
1149 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_setfeature()
1151 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_setfeature()
1159 	param_value = tw_dev->alignment_physical_address[request_id];  in tw_setfeature()
1162 		tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_setfeature()
1163 		tw_state_request_finish(tw_dev, request_id);  in tw_setfeature()
1164 		tw_dev->srb[request_id]->result = (DID_OK << 16);  in tw_setfeature()
1165 		scsi_done(tw_dev->srb[request_id]);  in tw_setfeature()
1171 	command_packet->request_id = request_id;  in tw_setfeature()
1174 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_setfeature()
1186 		request_id = TW_RESID_OUT(response_queue.response_id);  in tw_setfeature()
1188 		if (request_id != 0) {  in tw_setfeature()
1195 			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 		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 	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()
1927 	int request_id = 0;  in tw_scsi_queue_lck()  local
1936 	tw_state_request_start(tw_dev, &request_id);  in tw_scsi_queue_lck()
1939 	tw_dev->srb[request_id] = SCpnt;  in tw_scsi_queue_lck()
1947 		retval = tw_scsiop_read_write(tw_dev, request_id);  in tw_scsi_queue_lck()
1951 		retval = tw_scsiop_test_unit_ready(tw_dev, request_id);  in tw_scsi_queue_lck()
1955 		retval = tw_scsiop_inquiry(tw_dev, request_id);  in tw_scsi_queue_lck()
1959 		retval = tw_scsiop_read_capacity(tw_dev, request_id);  in tw_scsi_queue_lck()
1963 		retval = tw_scsiop_request_sense(tw_dev, request_id);  in tw_scsi_queue_lck()
1967 		retval = tw_scsiop_mode_sense(tw_dev, request_id);  in tw_scsi_queue_lck()
1971 		retval = tw_scsiop_synchronize_cache(tw_dev, request_id);  in tw_scsi_queue_lck()
1978 		tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_scsi_queue_lck()
1979 		tw_state_request_finish(tw_dev, request_id);  in tw_scsi_queue_lck()
1985 		tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_scsi_queue_lck()
1986 		tw_state_request_finish(tw_dev, request_id);  in tw_scsi_queue_lck()
1999 	int request_id;  in DEF_SCSI_QCMD()  local
2042 		tw_state_request_start(tw_dev, &request_id);  in DEF_SCSI_QCMD()
2043 		error = tw_aen_read_queue(tw_dev, request_id);  in DEF_SCSI_QCMD()
2046 			tw_dev->state[request_id] = TW_S_COMPLETED;  in DEF_SCSI_QCMD()
2047 			tw_state_request_finish(tw_dev, request_id);  in DEF_SCSI_QCMD()
2055 			request_id = tw_dev->pending_queue[tw_dev->pending_head];  in DEF_SCSI_QCMD()
2056 			if (tw_dev->state[request_id] != TW_S_PENDING) {  in DEF_SCSI_QCMD()
2060 			if (tw_post_command_packet(tw_dev, request_id)==0) {  in DEF_SCSI_QCMD()
2083 			request_id = TW_RESID_OUT(response_que.response_id);  in DEF_SCSI_QCMD()
2084 			command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in DEF_SCSI_QCMD()
2090 				if (tw_dev->srb[request_id] == NULL) {  in DEF_SCSI_QCMD()
2091 					tw_decode_sense(tw_dev, request_id, 0);  in DEF_SCSI_QCMD()
2093 					error = tw_decode_sense(tw_dev, request_id, 1);  in DEF_SCSI_QCMD()
2098 			if (tw_dev->state[request_id] != TW_S_POSTED) {  in DEF_SCSI_QCMD()
2099 				if (tw_dev->srb[request_id] != NULL) {  in DEF_SCSI_QCMD()
2105 			dprintk(KERN_NOTICE "3w-xxxx: tw_interrupt(): Response queue request id: %d.\n", request_id);  in DEF_SCSI_QCMD()
2108 			if (tw_dev->srb[request_id] == NULL) {  in DEF_SCSI_QCMD()
2111 				if (request_id != tw_dev->chrdev_request_id) {  in DEF_SCSI_QCMD()
2112 					retval = tw_aen_complete(tw_dev, request_id);  in DEF_SCSI_QCMD()
2121 				switch (tw_dev->srb[request_id]->cmnd[0]) {  in DEF_SCSI_QCMD()
2132 					error = tw_scsiop_test_unit_ready_complete(tw_dev, request_id);  in DEF_SCSI_QCMD()
2136 					error = tw_scsiop_inquiry_complete(tw_dev, request_id);  in DEF_SCSI_QCMD()
2140 					error = tw_scsiop_read_capacity_complete(tw_dev, request_id);  in DEF_SCSI_QCMD()
2144 					error = tw_scsiop_mode_sense_complete(tw_dev, request_id);  in DEF_SCSI_QCMD()
2156 					tw_dev->srb[request_id]->result = (DID_OK << 16);  in DEF_SCSI_QCMD()
2162 					tw_dev->srb[request_id]->result = (DID_OK << 16) | SAM_STAT_CHECK_CONDITION;  in DEF_SCSI_QCMD()
2167 					scsi_dma_unmap(tw_dev->srb[request_id]);  in DEF_SCSI_QCMD()
2168 					scsi_done(tw_dev->srb[request_id]);  in DEF_SCSI_QCMD()
2169 					tw_dev->state[request_id] = TW_S_COMPLETED;  in DEF_SCSI_QCMD()
2170 					tw_state_request_finish(tw_dev, request_id);  in DEF_SCSI_QCMD()