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()
873 	int request_id;  in tw_chrdev_ioctl()  local
952 			tw_state_request_start(tw_dev, &request_id);  in tw_chrdev_ioctl()
955 			tw_dev->srb[request_id] = NULL;  in tw_chrdev_ioctl()
958 			tw_dev->chrdev_request_id = request_id;  in tw_chrdev_ioctl()
960 			tw_ioctl->firmware_command.request_id = request_id;  in tw_chrdev_ioctl()
978 …memcpy(tw_dev->command_packet_virtual_address[request_id], &(tw_ioctl->firmware_command), sizeof(T…  in tw_chrdev_ioctl()
981 			tw_post_command_packet(tw_dev, request_id);  in tw_chrdev_ioctl()
1001 …memcpy(&(tw_ioctl->firmware_command), tw_dev->command_packet_virtual_address[request_id], sizeof(T…  in tw_chrdev_ioctl()
1006 			tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_chrdev_ioctl()
1007 			tw_state_request_finish(tw_dev, request_id);  in tw_chrdev_ioctl()
1077 	int request_id = 0;  in tw_initconnection()  local
1082 	if (tw_dev->command_packet_virtual_address[request_id] == NULL) {  in tw_initconnection()
1087 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_initconnection()
1091 	command_packet->request_id = request_id;  in tw_initconnection()
1096 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_initconnection()
1109 		request_id = TW_RESID_OUT(response_queue.response_id);  in tw_initconnection()
1111 		if (request_id != 0) {  in tw_initconnection()
1118 			tw_decode_sense(tw_dev, request_id, 0);  in tw_initconnection()
1132 	int request_id = 0;  in tw_setfeature()  local
1137 	if (tw_dev->command_packet_virtual_address[request_id] == NULL) {  in tw_setfeature()
1141 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_setfeature()
1143 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_setfeature()
1151 	param_value = tw_dev->alignment_physical_address[request_id];  in tw_setfeature()
1154 		tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_setfeature()
1155 		tw_state_request_finish(tw_dev, request_id);  in tw_setfeature()
1156 		tw_dev->srb[request_id]->result = (DID_OK << 16);  in tw_setfeature()
1157 		tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);  in tw_setfeature()
1163 	command_packet->request_id = request_id;  in tw_setfeature()
1166   	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_setfeature()
1178 		request_id = TW_RESID_OUT(response_queue.response_id);  in tw_setfeature()
1180 		if (request_id != 0) {  in tw_setfeature()
1187 			tw_decode_sense(tw_dev, request_id, 0);  in tw_setfeature()
1392 static int tw_scsiop_inquiry(TW_Device_Extension *tw_dev, int request_id)  in tw_scsiop_inquiry()  argument
1402 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_scsiop_inquiry()
1410 	command_packet->request_id = request_id;  in tw_scsiop_inquiry()
1416 	if (tw_dev->alignment_virtual_address[request_id] == NULL) {  in tw_scsiop_inquiry()
1420 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_scsiop_inquiry()
1425 	param_value = tw_dev->alignment_physical_address[request_id];  in tw_scsiop_inquiry()
1433 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_scsiop_inquiry()
1440 	tw_post_command_packet(tw_dev, request_id);  in tw_scsiop_inquiry()
1445 static void tw_transfer_internal(TW_Device_Extension *tw_dev, int request_id,  in tw_transfer_internal()  argument
1448 	scsi_sg_copy_from_buffer(tw_dev->srb[request_id], data, len);  in tw_transfer_internal()
1452 static int tw_scsiop_inquiry_complete(TW_Device_Extension *tw_dev, int request_id)  in tw_scsiop_inquiry_complete()  argument
1466 	sprintf(&request_buffer[16], "Logical Disk %-2d ", tw_dev->srb[request_id]->device->id);  in tw_scsiop_inquiry_complete()
1468 	tw_transfer_internal(tw_dev, request_id, request_buffer,  in tw_scsiop_inquiry_complete()
1471 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_scsiop_inquiry_complete()
1478 	if (is_unit_present[tw_dev->srb[request_id]->device->id] & TW_UNIT_ONLINE) {  in tw_scsiop_inquiry_complete()
1479 		tw_dev->is_unit_present[tw_dev->srb[request_id]->device->id] = 1;  in tw_scsiop_inquiry_complete()
1481 		tw_dev->is_unit_present[tw_dev->srb[request_id]->device->id] = 0;  in tw_scsiop_inquiry_complete()
1482 		tw_dev->srb[request_id]->result = (DID_BAD_TARGET << 16);  in tw_scsiop_inquiry_complete()
1490 static int tw_scsiop_mode_sense(TW_Device_Extension *tw_dev, int request_id)  in tw_scsiop_mode_sense()  argument
1500 	if (tw_dev->srb[request_id]->cmnd[2] != 0x8) {  in tw_scsiop_mode_sense()
1501 		tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_scsiop_mode_sense()
1502 		tw_state_request_finish(tw_dev, request_id);  in tw_scsiop_mode_sense()
1503 		tw_dev->srb[request_id]->result = (DID_OK << 16);  in tw_scsiop_mode_sense()
1504 		tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);  in tw_scsiop_mode_sense()
1509 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_scsiop_mode_sense()
1519 	command_packet->request_id = request_id;  in tw_scsiop_mode_sense()
1525 	if (tw_dev->alignment_virtual_address[request_id] == NULL) {  in tw_scsiop_mode_sense()
1530 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_scsiop_mode_sense()
1532 	param->table_id = TW_UNIT_INFORMATION_TABLE_BASE + tw_dev->srb[request_id]->device->id;  in tw_scsiop_mode_sense()
1535 	param_value = tw_dev->alignment_physical_address[request_id];  in tw_scsiop_mode_sense()
1543 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_scsiop_mode_sense()
1550 	tw_post_command_packet(tw_dev, request_id);  in tw_scsiop_mode_sense()
1556 static int tw_scsiop_mode_sense_complete(TW_Device_Extension *tw_dev, int request_id)  in tw_scsiop_mode_sense_complete()  argument
1564 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_scsiop_mode_sense_complete()
1582 	tw_transfer_internal(tw_dev, request_id, request_buffer,  in tw_scsiop_mode_sense_complete()
1589 static int tw_scsiop_read_capacity(TW_Device_Extension *tw_dev, int request_id)   in tw_scsiop_read_capacity()  argument
1599 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_scsiop_read_capacity()
1608 	command_packet->request_id = request_id;  in tw_scsiop_read_capacity()
1609 	command_packet->unit__hostid = TW_UNITHOST_IN(0, tw_dev->srb[request_id]->device->id);  in tw_scsiop_read_capacity()
1615 	if (tw_dev->alignment_virtual_address[request_id] == NULL) {  in tw_scsiop_read_capacity()
1619 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_scsiop_read_capacity()
1622 	tw_dev->srb[request_id]->device->id;  in tw_scsiop_read_capacity()
1625 	param_value = tw_dev->alignment_physical_address[request_id];  in tw_scsiop_read_capacity()
1633 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_scsiop_read_capacity()
1640 	tw_post_command_packet(tw_dev, request_id);  in tw_scsiop_read_capacity()
1646 static int tw_scsiop_read_capacity_complete(TW_Device_Extension *tw_dev, int request_id)  in tw_scsiop_read_capacity_complete()  argument
1656 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_scsiop_read_capacity_complete()
1683 	tw_transfer_internal(tw_dev, request_id, buff, sizeof(buff));  in tw_scsiop_read_capacity_complete()
1689 static int tw_scsiop_read_write(TW_Device_Extension *tw_dev, int request_id)   in tw_scsiop_read_write()  argument
1700 	srb = tw_dev->srb[request_id];  in tw_scsiop_read_write()
1709 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_scsiop_read_write()
1722 	command_packet->request_id = request_id;  in tw_scsiop_read_write()
1753 	scsi_for_each_sg(tw_dev->srb[request_id], sg, use_sg, i) {  in tw_scsiop_read_write()
1760 	tw_dev->sgl_entries = scsi_sg_count(tw_dev->srb[request_id]);  in tw_scsiop_read_write()
1764 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_scsiop_read_write()
1771 	tw_post_command_packet(tw_dev, request_id);  in tw_scsiop_read_write()
1777 static int tw_scsiop_request_sense(TW_Device_Extension *tw_dev, int request_id)  in tw_scsiop_request_sense()  argument
1787 	tw_transfer_internal(tw_dev, request_id, request_buffer,  in tw_scsiop_request_sense()
1790 	tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_scsiop_request_sense()
1791 	tw_state_request_finish(tw_dev, request_id);  in tw_scsiop_request_sense()
1794 	tw_dev->srb[request_id]->result = (DID_ERROR << 16);  in tw_scsiop_request_sense()
1795 	tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);  in tw_scsiop_request_sense()
1801 static int tw_scsiop_synchronize_cache(TW_Device_Extension *tw_dev, int request_id)  in tw_scsiop_synchronize_cache()  argument
1809 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_scsiop_synchronize_cache()
1819 	command_packet->request_id = request_id;  in tw_scsiop_synchronize_cache()
1820 	command_packet->unit__hostid = TW_UNITHOST_IN(0, tw_dev->srb[request_id]->device->id);  in tw_scsiop_synchronize_cache()
1824 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_scsiop_synchronize_cache()
1831 	tw_post_command_packet(tw_dev, request_id);  in tw_scsiop_synchronize_cache()
1837 static int tw_scsiop_test_unit_ready(TW_Device_Extension *tw_dev, int request_id)  in tw_scsiop_test_unit_ready()  argument
1847 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in tw_scsiop_test_unit_ready()
1855 	command_packet->request_id = request_id;  in tw_scsiop_test_unit_ready()
1861 	if (tw_dev->alignment_virtual_address[request_id] == NULL) {  in tw_scsiop_test_unit_ready()
1865 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_scsiop_test_unit_ready()
1870 	param_value = tw_dev->alignment_physical_address[request_id];  in tw_scsiop_test_unit_ready()
1878 	command_que_value = tw_dev->command_packet_physical_address[request_id];  in tw_scsiop_test_unit_ready()
1885 	tw_post_command_packet(tw_dev, request_id);  in tw_scsiop_test_unit_ready()
1891 static int tw_scsiop_test_unit_ready_complete(TW_Device_Extension *tw_dev, int request_id)  in tw_scsiop_test_unit_ready_complete()  argument
1898 	param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];  in tw_scsiop_test_unit_ready_complete()
1905 	if (is_unit_present[tw_dev->srb[request_id]->device->id] & TW_UNIT_ONLINE) {  in tw_scsiop_test_unit_ready_complete()
1906 		tw_dev->is_unit_present[tw_dev->srb[request_id]->device->id] = 1;  in tw_scsiop_test_unit_ready_complete()
1908 		tw_dev->is_unit_present[tw_dev->srb[request_id]->device->id] = 0;  in tw_scsiop_test_unit_ready_complete()
1909 		tw_dev->srb[request_id]->result = (DID_BAD_TARGET << 16);  in tw_scsiop_test_unit_ready_complete()
1920 	int request_id = 0;  in tw_scsi_queue_lck()  local
1932 	tw_state_request_start(tw_dev, &request_id);  in tw_scsi_queue_lck()
1935 	tw_dev->srb[request_id] = SCpnt;  in tw_scsi_queue_lck()
1943 			retval = tw_scsiop_read_write(tw_dev, request_id);  in tw_scsi_queue_lck()
1947 			retval = tw_scsiop_test_unit_ready(tw_dev, request_id);  in tw_scsi_queue_lck()
1951 			retval = tw_scsiop_inquiry(tw_dev, request_id);  in tw_scsi_queue_lck()
1955 			retval = tw_scsiop_read_capacity(tw_dev, request_id);  in tw_scsi_queue_lck()
1959 		        retval = tw_scsiop_request_sense(tw_dev, request_id);  in tw_scsi_queue_lck()
1963 			retval = tw_scsiop_mode_sense(tw_dev, request_id);  in tw_scsi_queue_lck()
1967 			retval = tw_scsiop_synchronize_cache(tw_dev, request_id);  in tw_scsi_queue_lck()
1974 			tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_scsi_queue_lck()
1975 			tw_state_request_finish(tw_dev, request_id);  in tw_scsi_queue_lck()
1982 		tw_dev->state[request_id] = TW_S_COMPLETED;  in tw_scsi_queue_lck()
1983 		tw_state_request_finish(tw_dev, request_id);  in tw_scsi_queue_lck()
1996 	int request_id;  in DEF_SCSI_QCMD()  local
2039 		tw_state_request_start(tw_dev, &request_id);  in DEF_SCSI_QCMD()
2040 		error = tw_aen_read_queue(tw_dev, request_id);  in DEF_SCSI_QCMD()
2043 			tw_dev->state[request_id] = TW_S_COMPLETED;  in DEF_SCSI_QCMD()
2044 			tw_state_request_finish(tw_dev, request_id);  in DEF_SCSI_QCMD()
2052 			request_id = tw_dev->pending_queue[tw_dev->pending_head];  in DEF_SCSI_QCMD()
2053 			if (tw_dev->state[request_id] != TW_S_PENDING) {  in DEF_SCSI_QCMD()
2057 			if (tw_post_command_packet(tw_dev, request_id)==0) {  in DEF_SCSI_QCMD()
2080 			request_id = TW_RESID_OUT(response_que.response_id);  in DEF_SCSI_QCMD()
2081 			command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];  in DEF_SCSI_QCMD()
2087 				if (tw_dev->srb[request_id] == NULL) {  in DEF_SCSI_QCMD()
2088 					tw_decode_sense(tw_dev, request_id, 0);  in DEF_SCSI_QCMD()
2090 					error = tw_decode_sense(tw_dev, request_id, 1);  in DEF_SCSI_QCMD()
2095 			if (tw_dev->state[request_id] != TW_S_POSTED) {  in DEF_SCSI_QCMD()
2096 				if (tw_dev->srb[request_id] != NULL) {  in DEF_SCSI_QCMD()
2102 			dprintk(KERN_NOTICE "3w-xxxx: tw_interrupt(): Response queue request id: %d.\n", request_id);  in DEF_SCSI_QCMD()
2105 			if (tw_dev->srb[request_id] == NULL) {  in DEF_SCSI_QCMD()
2108 				if (request_id != tw_dev->chrdev_request_id) {  in DEF_SCSI_QCMD()
2109 					retval = tw_aen_complete(tw_dev, request_id);  in DEF_SCSI_QCMD()
2118 				switch (tw_dev->srb[request_id]->cmnd[0]) {  in DEF_SCSI_QCMD()
2129 					error = tw_scsiop_test_unit_ready_complete(tw_dev, request_id);  in DEF_SCSI_QCMD()
2133 					error = tw_scsiop_inquiry_complete(tw_dev, request_id);  in DEF_SCSI_QCMD()
2137 					error = tw_scsiop_read_capacity_complete(tw_dev, request_id);  in DEF_SCSI_QCMD()
2141 					error = tw_scsiop_mode_sense_complete(tw_dev, request_id);  in DEF_SCSI_QCMD()
2153 					tw_dev->srb[request_id]->result = (DID_OK << 16);  in DEF_SCSI_QCMD()
2159 					tw_dev->srb[request_id]->result = (DID_OK << 16) | (CHECK_CONDITION << 1);  in DEF_SCSI_QCMD()
2164 					scsi_dma_unmap(tw_dev->srb[request_id]);  in DEF_SCSI_QCMD()
2165 					tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]);  in DEF_SCSI_QCMD()
2166 					tw_dev->state[request_id] = TW_S_COMPLETED;  in DEF_SCSI_QCMD()
2167 					tw_state_request_finish(tw_dev, request_id);  in DEF_SCSI_QCMD()