Lines Matching refs:tw_dev
236 static int tw_reset_device_extension(TW_Device_Extension *tw_dev);
256 static int tw_decode_bits(TW_Device_Extension *tw_dev, u32 status_reg_value, int print_host) in tw_decode_bits() argument
263 sprintf(host, " scsi%d:", tw_dev->host->host_no); in tw_decode_bits()
269 outl(TW_CONTROL_CLEAR_PARITY_ERROR, TW_CONTROL_REG_ADDR(tw_dev)); in tw_decode_bits()
274 outl(TW_CONTROL_CLEAR_PCI_ABORT, TW_CONTROL_REG_ADDR(tw_dev)); in tw_decode_bits()
275 pci_write_config_word(tw_dev->tw_pci_dev, PCI_STATUS, TW_PCI_CLEAR_PCI_ABORT); in tw_decode_bits()
280 outl(TW_CONTROL_CLEAR_QUEUE_ERROR, TW_CONTROL_REG_ADDR(tw_dev)); in tw_decode_bits()
285 outl(TW_CONTROL_CLEAR_SBUF_WRITE_ERROR, TW_CONTROL_REG_ADDR(tw_dev)); in tw_decode_bits()
289 if (tw_dev->reset_print == 0) { in tw_decode_bits()
291 tw_dev->reset_print = 1; in tw_decode_bits()
300 static int tw_poll_status(TW_Device_Extension *tw_dev, u32 flag, int seconds) in tw_poll_status() argument
306 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_poll_status()
310 tw_decode_bits(tw_dev, status_reg_value, 0); in tw_poll_status()
313 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_poll_status()
316 tw_decode_bits(tw_dev, status_reg_value, 0); in tw_poll_status()
329 static int tw_poll_status_gone(TW_Device_Extension *tw_dev, u32 flag, int seconds) in tw_poll_status_gone() argument
335 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_poll_status_gone()
339 tw_decode_bits(tw_dev, status_reg_value, 0); in tw_poll_status_gone()
342 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_poll_status_gone()
345 tw_decode_bits(tw_dev, status_reg_value, 0); in tw_poll_status_gone()
358 static int tw_post_command_packet(TW_Device_Extension *tw_dev, int request_id) in tw_post_command_packet() argument
364 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_post_command_packet()
365 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_post_command_packet()
369 tw_decode_bits(tw_dev, status_reg_value, 1); in tw_post_command_packet()
374 outl(command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev)); in tw_post_command_packet()
375 tw_dev->state[request_id] = TW_S_POSTED; in tw_post_command_packet()
376 tw_dev->posted_request_count++; in tw_post_command_packet()
377 if (tw_dev->posted_request_count > tw_dev->max_posted_request_count) { in tw_post_command_packet()
378 tw_dev->max_posted_request_count = tw_dev->posted_request_count; in tw_post_command_packet()
382 if (tw_dev->state[request_id] != TW_S_PENDING) { in tw_post_command_packet()
383 tw_dev->state[request_id] = TW_S_PENDING; in tw_post_command_packet()
384 tw_dev->pending_request_count++; in tw_post_command_packet()
385 if (tw_dev->pending_request_count > tw_dev->max_pending_request_count) { in tw_post_command_packet()
386 tw_dev->max_pending_request_count = tw_dev->pending_request_count; in tw_post_command_packet()
388 tw_dev->pending_queue[tw_dev->pending_tail] = request_id; in tw_post_command_packet()
389 if (tw_dev->pending_tail == TW_Q_LENGTH-1) { in tw_post_command_packet()
390 tw_dev->pending_tail = TW_Q_START; in tw_post_command_packet()
392 tw_dev->pending_tail = tw_dev->pending_tail + 1; in tw_post_command_packet()
395 TW_UNMASK_COMMAND_INTERRUPT(tw_dev); in tw_post_command_packet()
402 static int tw_decode_sense(TW_Device_Extension *tw_dev, int request_id, int fill_sense) in tw_decode_sense() argument
408 command = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_decode_sense()
410 …xxxx: scsi%d: Command failed: status = 0x%x, flags = 0x%x, unit #%d.\n", tw_dev->host->host_no, co… in tw_decode_sense()
419 tw_dev->srb[request_id]->sense_buffer[0] = (0x1 << 7 | 0x70); in tw_decode_sense()
422 tw_dev->srb[request_id]->sense_buffer[2] = tw_sense_table[i][1]; in tw_decode_sense()
425 tw_dev->srb[request_id]->sense_buffer[7] = 0xa; /* 10 bytes */ in tw_decode_sense()
428 tw_dev->srb[request_id]->sense_buffer[12] = tw_sense_table[i][2]; in tw_decode_sense()
431 tw_dev->srb[request_id]->sense_buffer[13] = tw_sense_table[i][3]; in tw_decode_sense()
433 tw_dev->srb[request_id]->result = (DID_OK << 16) | (CHECK_CONDITION << 1); in tw_decode_sense()
447 static int tw_check_errors(TW_Device_Extension *tw_dev) in tw_check_errors() argument
451 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_check_errors()
454 tw_decode_bits(tw_dev, status_reg_value, 0); in tw_check_errors()
462 static void tw_empty_response_que(TW_Device_Extension *tw_dev) in tw_empty_response_que() argument
466 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_empty_response_que()
469 response_que_value = inl(TW_RESPONSE_QUEUE_REG_ADDR(tw_dev)); in tw_empty_response_que()
470 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_empty_response_que()
475 static void tw_state_request_finish(TW_Device_Extension *tw_dev, int request_id) in tw_state_request_finish() argument
477 tw_dev->free_queue[tw_dev->free_tail] = request_id; in tw_state_request_finish()
478 tw_dev->state[request_id] = TW_S_FINISHED; in tw_state_request_finish()
479 tw_dev->free_tail = (tw_dev->free_tail + 1) % TW_Q_LENGTH; in tw_state_request_finish()
483 static void tw_state_request_start(TW_Device_Extension *tw_dev, int *request_id) in tw_state_request_start() argument
485 *request_id = tw_dev->free_queue[tw_dev->free_head]; in tw_state_request_start()
486 tw_dev->free_head = (tw_dev->free_head + 1) % TW_Q_LENGTH; in tw_state_request_start()
487 tw_dev->state[*request_id] = TW_S_STARTED; in tw_state_request_start()
495 TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata; in tw_show_stats() local
499 spin_lock_irqsave(tw_dev->host->host_lock, flags); in tw_show_stats()
512 tw_dev->posted_request_count, in tw_show_stats()
513 tw_dev->max_posted_request_count, in tw_show_stats()
514 tw_dev->pending_request_count, in tw_show_stats()
515 tw_dev->max_pending_request_count, in tw_show_stats()
516 tw_dev->sgl_entries, in tw_show_stats()
517 tw_dev->max_sgl_entries, in tw_show_stats()
518 tw_dev->sector_count, in tw_show_stats()
519 tw_dev->max_sector_count, in tw_show_stats()
520 tw_dev->num_resets, in tw_show_stats()
521 tw_dev->aen_count); in tw_show_stats()
522 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in tw_show_stats()
542 static int tw_aen_read_queue(TW_Device_Extension *tw_dev, int request_id) in tw_aen_read_queue() argument
552 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_aen_read_queue()
555 tw_decode_bits(tw_dev, status_reg_value, 1); in tw_aen_read_queue()
558 if (tw_dev->command_packet_virtual_address[request_id] == NULL) { in tw_aen_read_queue()
562 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_aen_read_queue()
570 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_aen_read_queue()
576 if (tw_dev->alignment_virtual_address[request_id] == NULL) { in tw_aen_read_queue()
580 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_aen_read_queue()
585 param_value = tw_dev->alignment_physical_address[request_id]; in tw_aen_read_queue()
596 tw_dev->srb[request_id] = NULL; /* Flag internal command */ in tw_aen_read_queue()
597 tw_dev->state[request_id] = TW_S_POSTED; in tw_aen_read_queue()
598 outl(command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev)); in tw_aen_read_queue()
608 static int tw_aen_complete(TW_Device_Extension *tw_dev, int request_id) in tw_aen_complete() argument
615 if (tw_dev->alignment_virtual_address[request_id] == NULL) { in tw_aen_complete()
619 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_aen_complete()
625 printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: INFO: AEN queue overflow.\n", tw_dev->host->host_no); in tw_aen_complete()
630 …printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s%d.\n", tw_dev->host->host_no, tw_aen_string[aen & 0x… in tw_aen_complete()
633 …printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s.\n", tw_dev->host->host_no, tw_aen_string[aen & 0xff… in tw_aen_complete()
636 printk(KERN_WARNING "3w-xxxx: scsi%d: Received AEN %d.\n", tw_dev->host->host_no, aen); in tw_aen_complete()
640 tw_dev->aen_count++; in tw_aen_complete()
643 tw_dev->aen_queue[tw_dev->aen_tail] = aen; in tw_aen_complete()
644 if (tw_dev->aen_tail == TW_Q_LENGTH - 1) { in tw_aen_complete()
645 tw_dev->aen_tail = TW_Q_START; in tw_aen_complete()
647 tw_dev->aen_tail = tw_dev->aen_tail + 1; in tw_aen_complete()
649 if (tw_dev->aen_head == tw_dev->aen_tail) { in tw_aen_complete()
650 if (tw_dev->aen_head == TW_Q_LENGTH - 1) { in tw_aen_complete()
651 tw_dev->aen_head = TW_Q_START; in tw_aen_complete()
653 tw_dev->aen_head = tw_dev->aen_head + 1; in tw_aen_complete()
657 error = tw_aen_read_queue(tw_dev, request_id); in tw_aen_complete()
659 printk(KERN_WARNING "3w-xxxx: scsi%d: Error completing AEN.\n", tw_dev->host->host_no); in tw_aen_complete()
660 tw_dev->state[request_id] = TW_S_COMPLETED; in tw_aen_complete()
661 tw_state_request_finish(tw_dev, request_id); in tw_aen_complete()
664 tw_dev->state[request_id] = TW_S_COMPLETED; in tw_aen_complete()
665 tw_state_request_finish(tw_dev, request_id); in tw_aen_complete()
672 static int tw_aen_drain_queue(TW_Device_Extension *tw_dev) in tw_aen_drain_queue() argument
689 if (tw_poll_status(tw_dev, TW_STATUS_ATTENTION_INTERRUPT | TW_STATUS_MICROCONTROLLER_READY, 30)) { in tw_aen_drain_queue()
693 TW_CLEAR_ATTENTION_INTERRUPT(tw_dev); in tw_aen_drain_queue()
696 tw_empty_response_que(tw_dev); in tw_aen_drain_queue()
699 if (tw_dev->command_packet_virtual_address[request_id] == NULL) { in tw_aen_drain_queue()
703 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_aen_drain_queue()
711 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_aen_drain_queue()
718 if (tw_dev->alignment_virtual_address[request_id] == NULL) { in tw_aen_drain_queue()
722 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_aen_drain_queue()
727 param_value = tw_dev->alignment_physical_address[request_id]; in tw_aen_drain_queue()
738 outl(command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev)); in tw_aen_drain_queue()
741 if (tw_poll_status_gone(tw_dev, TW_STATUS_RESPONSE_QUEUE_EMPTY, 30) == 0) { in tw_aen_drain_queue()
742 response_queue.value = inl(TW_RESPONSE_QUEUE_REG_ADDR(tw_dev)); in tw_aen_drain_queue()
754 tw_decode_sense(tw_dev, request_id, 0); in tw_aen_drain_queue()
780 tw_dev->aen_count++; in tw_aen_drain_queue()
798 tw_dev->aen_count++; in tw_aen_drain_queue()
804 tw_dev->aen_queue[tw_dev->aen_tail] = aen; in tw_aen_drain_queue()
805 if (tw_dev->aen_tail == TW_Q_LENGTH - 1) { in tw_aen_drain_queue()
806 tw_dev->aen_tail = TW_Q_START; in tw_aen_drain_queue()
808 tw_dev->aen_tail = tw_dev->aen_tail + 1; in tw_aen_drain_queue()
810 if (tw_dev->aen_head == tw_dev->aen_tail) { in tw_aen_drain_queue()
811 if (tw_dev->aen_head == TW_Q_LENGTH - 1) { in tw_aen_drain_queue()
812 tw_dev->aen_head = TW_Q_START; in tw_aen_drain_queue()
814 tw_dev->aen_head = tw_dev->aen_head + 1; in tw_aen_drain_queue()
830 static int tw_allocate_memory(TW_Device_Extension *tw_dev, int size, int which) in tw_allocate_memory() argument
838 cpu_addr = pci_alloc_consistent(tw_dev->tw_pci_dev, size*TW_Q_LENGTH, &dma_handle); in tw_allocate_memory()
844 …if ((unsigned long)cpu_addr % (tw_dev->tw_pci_dev->device == TW_DEVICE_ID ? TW_ALIGNMENT_6000 : TW… in tw_allocate_memory()
846 pci_free_consistent(tw_dev->tw_pci_dev, size*TW_Q_LENGTH, cpu_addr, dma_handle); in tw_allocate_memory()
855 tw_dev->command_packet_physical_address[i] = dma_handle+(i*size); in tw_allocate_memory()
856 …tw_dev->command_packet_virtual_address[i] = (unsigned long *)((unsigned char *)cpu_addr + (i*size)… in tw_allocate_memory()
859 tw_dev->alignment_physical_address[i] = dma_handle+(i*size); in tw_allocate_memory()
860 tw_dev->alignment_virtual_address[i] = (unsigned long *)((unsigned char *)cpu_addr + (i*size)); in tw_allocate_memory()
885 TW_Device_Extension *tw_dev = tw_device_extension_list[iminor(inode)]; in tw_chrdev_ioctl() local
893 if (mutex_lock_interruptible(&tw_dev->ioctl_lock)) { in tw_chrdev_ioctl()
912 …cpu_addr = dma_alloc_coherent(&tw_dev->tw_pci_dev->dev, data_buffer_length_adjusted+sizeof(TW_New_… in tw_chrdev_ioctl()
935 spin_lock_irqsave(tw_dev->host->host_lock, flags); in tw_chrdev_ioctl()
936 if (tw_dev->aen_head == tw_dev->aen_tail) { in tw_chrdev_ioctl()
939 tw_aen_code = tw_dev->aen_queue[tw_dev->aen_head]; in tw_chrdev_ioctl()
940 if (tw_dev->aen_head == TW_Q_LENGTH - 1) { in tw_chrdev_ioctl()
941 tw_dev->aen_head = TW_Q_START; in tw_chrdev_ioctl()
943 tw_dev->aen_head = tw_dev->aen_head + 1; in tw_chrdev_ioctl()
946 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in tw_chrdev_ioctl()
951 spin_lock_irqsave(tw_dev->host->host_lock, flags); in tw_chrdev_ioctl()
953 tw_state_request_start(tw_dev, &request_id); in tw_chrdev_ioctl()
956 tw_dev->srb[request_id] = NULL; in tw_chrdev_ioctl()
959 tw_dev->chrdev_request_id = request_id; in tw_chrdev_ioctl()
979 …memcpy(tw_dev->command_packet_virtual_address[request_id], &(tw_ioctl->firmware_command), sizeof(T… in tw_chrdev_ioctl()
982 tw_post_command_packet(tw_dev, request_id); in tw_chrdev_ioctl()
983 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in tw_chrdev_ioctl()
988 …timeout = wait_event_timeout(tw_dev->ioctl_wqueue, tw_dev->chrdev_request_id == TW_IOCTL_CHRDEV_FR… in tw_chrdev_ioctl()
991 if (tw_dev->chrdev_request_id != TW_IOCTL_CHRDEV_FREE) { in tw_chrdev_ioctl()
993 … "3w-xxxx: scsi%d: Character ioctl (0x%x) timed out, resetting card.\n", tw_dev->host->host_no, cm… in tw_chrdev_ioctl()
995 if (tw_reset_device_extension(tw_dev)) { in tw_chrdev_ioctl()
996 …printk(KERN_WARNING "3w-xxxx: tw_chrdev_ioctl(): Reset failed for card %d.\n", tw_dev->host->host_… in tw_chrdev_ioctl()
1002 …memcpy(&(tw_ioctl->firmware_command), tw_dev->command_packet_virtual_address[request_id], sizeof(T… in tw_chrdev_ioctl()
1005 spin_lock_irqsave(tw_dev->host->host_lock, flags); in tw_chrdev_ioctl()
1006 tw_dev->posted_request_count--; in tw_chrdev_ioctl()
1007 tw_dev->state[request_id] = TW_S_COMPLETED; in tw_chrdev_ioctl()
1008 tw_state_request_finish(tw_dev, request_id); in tw_chrdev_ioctl()
1009 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in tw_chrdev_ioctl()
1022 …dma_free_coherent(&tw_dev->tw_pci_dev->dev, data_buffer_length_adjusted+sizeof(TW_New_Ioctl) - 1, … in tw_chrdev_ioctl()
1024 mutex_unlock(&tw_dev->ioctl_lock); in tw_chrdev_ioctl()
1054 static void tw_free_device_extension(TW_Device_Extension *tw_dev) in tw_free_device_extension() argument
1059 if (tw_dev->command_packet_virtual_address[0]) in tw_free_device_extension()
1060 …pci_free_consistent(tw_dev->tw_pci_dev, sizeof(TW_Command)*TW_Q_LENGTH, tw_dev->command_packet_vir… in tw_free_device_extension()
1062 if (tw_dev->alignment_virtual_address[0]) in tw_free_device_extension()
1063 …pci_free_consistent(tw_dev->tw_pci_dev, sizeof(TW_Sector)*TW_Q_LENGTH, tw_dev->alignment_virtual_a… in tw_free_device_extension()
1067 static int tw_initconnection(TW_Device_Extension *tw_dev, int message_credits) in tw_initconnection() argument
1077 if (tw_dev->command_packet_virtual_address[request_id] == NULL) { in tw_initconnection()
1082 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_initconnection()
1091 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_initconnection()
1099 outl(command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev)); in tw_initconnection()
1102 if (tw_poll_status_gone(tw_dev, TW_STATUS_RESPONSE_QUEUE_EMPTY, 30) == 0) { in tw_initconnection()
1103 response_queue.value = inl(TW_RESPONSE_QUEUE_REG_ADDR(tw_dev)); in tw_initconnection()
1113 tw_decode_sense(tw_dev, request_id, 0); in tw_initconnection()
1121 static int tw_setfeature(TW_Device_Extension *tw_dev, int parm, int param_size, in tw_setfeature() argument
1132 if (tw_dev->command_packet_virtual_address[request_id] == NULL) { in tw_setfeature()
1136 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_setfeature()
1138 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_setfeature()
1146 param_value = tw_dev->alignment_physical_address[request_id]; in tw_setfeature()
1149 tw_dev->state[request_id] = TW_S_COMPLETED; in tw_setfeature()
1150 tw_state_request_finish(tw_dev, request_id); in tw_setfeature()
1151 tw_dev->srb[request_id]->result = (DID_OK << 16); in tw_setfeature()
1152 tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]); in tw_setfeature()
1161 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_setfeature()
1168 outl(command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev)); in tw_setfeature()
1171 if (tw_poll_status_gone(tw_dev, TW_STATUS_RESPONSE_QUEUE_EMPTY, 30) == 0) { in tw_setfeature()
1172 response_queue.value = inl(TW_RESPONSE_QUEUE_REG_ADDR(tw_dev)); in tw_setfeature()
1182 tw_decode_sense(tw_dev, request_id, 0); in tw_setfeature()
1191 static int tw_reset_sequence(TW_Device_Extension *tw_dev) in tw_reset_sequence() argument
1199 TW_SOFT_RESET(tw_dev); in tw_reset_sequence()
1201 error = tw_aen_drain_queue(tw_dev); in tw_reset_sequence()
1203 printk(KERN_WARNING "3w-xxxx: scsi%d: AEN drain failed, retrying.\n", tw_dev->host->host_no); in tw_reset_sequence()
1209 if (tw_check_errors(tw_dev)) { in tw_reset_sequence()
1210 …printk(KERN_WARNING "3w-xxxx: scsi%d: Controller errors found, retrying.\n", tw_dev->host->host_no… in tw_reset_sequence()
1220 …xxx: scsi%d: Controller errors, card not responding, check all cabling.\n", tw_dev->host->host_no); in tw_reset_sequence()
1224 error = tw_initconnection(tw_dev, TW_INIT_MESSAGE_CREDITS); in tw_reset_sequence()
1226 …printk(KERN_WARNING "3w-xxxx: scsi%d: Connection initialization failed.\n", tw_dev->host->host_no); in tw_reset_sequence()
1230 error = tw_setfeature(tw_dev, 2, 1, &c); in tw_reset_sequence()
1239 static int tw_initialize_device_extension(TW_Device_Extension *tw_dev) in tw_initialize_device_extension() argument
1246 error = tw_allocate_memory(tw_dev, sizeof(TW_Command), 0); in tw_initialize_device_extension()
1253 error = tw_allocate_memory(tw_dev, sizeof(TW_Sector), 1); in tw_initialize_device_extension()
1260 tw_dev->free_queue[i] = i; in tw_initialize_device_extension()
1261 tw_dev->state[i] = TW_S_INITIAL; in tw_initialize_device_extension()
1264 tw_dev->pending_head = TW_Q_START; in tw_initialize_device_extension()
1265 tw_dev->pending_tail = TW_Q_START; in tw_initialize_device_extension()
1266 tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE; in tw_initialize_device_extension()
1268 mutex_init(&tw_dev->ioctl_lock); in tw_initialize_device_extension()
1269 init_waitqueue_head(&tw_dev->ioctl_wqueue); in tw_initialize_device_extension()
1275 static int tw_reset_device_extension(TW_Device_Extension *tw_dev) in tw_reset_device_extension() argument
1283 set_bit(TW_IN_RESET, &tw_dev->flags); in tw_reset_device_extension()
1284 TW_DISABLE_INTERRUPTS(tw_dev); in tw_reset_device_extension()
1285 TW_MASK_COMMAND_INTERRUPT(tw_dev); in tw_reset_device_extension()
1286 spin_lock_irqsave(tw_dev->host->host_lock, flags); in tw_reset_device_extension()
1290 if ((tw_dev->state[i] != TW_S_FINISHED) && in tw_reset_device_extension()
1291 (tw_dev->state[i] != TW_S_INITIAL) && in tw_reset_device_extension()
1292 (tw_dev->state[i] != TW_S_COMPLETED)) { in tw_reset_device_extension()
1293 srb = tw_dev->srb[i]; in tw_reset_device_extension()
1304 tw_dev->free_queue[i] = i; in tw_reset_device_extension()
1305 tw_dev->state[i] = TW_S_INITIAL; in tw_reset_device_extension()
1307 tw_dev->free_head = TW_Q_START; in tw_reset_device_extension()
1308 tw_dev->free_tail = TW_Q_START; in tw_reset_device_extension()
1309 tw_dev->posted_request_count = 0; in tw_reset_device_extension()
1310 tw_dev->pending_request_count = 0; in tw_reset_device_extension()
1311 tw_dev->pending_head = TW_Q_START; in tw_reset_device_extension()
1312 tw_dev->pending_tail = TW_Q_START; in tw_reset_device_extension()
1313 tw_dev->reset_print = 0; in tw_reset_device_extension()
1315 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in tw_reset_device_extension()
1317 if (tw_reset_sequence(tw_dev)) { in tw_reset_device_extension()
1318 printk(KERN_WARNING "3w-xxxx: scsi%d: Reset sequence failed.\n", tw_dev->host->host_no); in tw_reset_device_extension()
1322 TW_ENABLE_AND_CLEAR_INTERRUPTS(tw_dev); in tw_reset_device_extension()
1323 clear_bit(TW_IN_RESET, &tw_dev->flags); in tw_reset_device_extension()
1324 tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE; in tw_reset_device_extension()
1334 TW_Device_Extension *tw_dev; in tw_scsi_biosparam() local
1337 tw_dev = (TW_Device_Extension *)sdev->host->hostdata; in tw_scsi_biosparam()
1360 TW_Device_Extension *tw_dev=NULL; in tw_scsi_eh_reset() local
1363 tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata; in tw_scsi_eh_reset()
1365 tw_dev->num_resets++; in tw_scsi_eh_reset()
1372 mutex_lock(&tw_dev->ioctl_lock); in tw_scsi_eh_reset()
1375 if (tw_reset_device_extension(tw_dev)) { in tw_scsi_eh_reset()
1376 printk(KERN_WARNING "3w-xxxx: scsi%d: Reset failed.\n", tw_dev->host->host_no); in tw_scsi_eh_reset()
1382 mutex_unlock(&tw_dev->ioctl_lock); in tw_scsi_eh_reset()
1387 static int tw_scsiop_inquiry(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_inquiry() argument
1397 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_scsiop_inquiry()
1411 if (tw_dev->alignment_virtual_address[request_id] == NULL) { in tw_scsiop_inquiry()
1415 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_scsiop_inquiry()
1420 param_value = tw_dev->alignment_physical_address[request_id]; in tw_scsiop_inquiry()
1428 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_scsiop_inquiry()
1435 tw_post_command_packet(tw_dev, request_id); in tw_scsiop_inquiry()
1440 static void tw_transfer_internal(TW_Device_Extension *tw_dev, int request_id, in tw_transfer_internal() argument
1443 scsi_sg_copy_from_buffer(tw_dev->srb[request_id], data, len); in tw_transfer_internal()
1447 static int tw_scsiop_inquiry_complete(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_inquiry_complete() argument
1461 sprintf(&request_buffer[16], "Logical Disk %-2d ", tw_dev->srb[request_id]->device->id); in tw_scsiop_inquiry_complete()
1463 tw_transfer_internal(tw_dev, request_id, request_buffer, in tw_scsiop_inquiry_complete()
1466 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_scsiop_inquiry_complete()
1473 if (is_unit_present[tw_dev->srb[request_id]->device->id] & TW_UNIT_ONLINE) { in tw_scsiop_inquiry_complete()
1474 tw_dev->is_unit_present[tw_dev->srb[request_id]->device->id] = 1; in tw_scsiop_inquiry_complete()
1476 tw_dev->is_unit_present[tw_dev->srb[request_id]->device->id] = 0; in tw_scsiop_inquiry_complete()
1477 tw_dev->srb[request_id]->result = (DID_BAD_TARGET << 16); in tw_scsiop_inquiry_complete()
1485 static int tw_scsiop_mode_sense(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_mode_sense() argument
1495 if (tw_dev->srb[request_id]->cmnd[2] != 0x8) { in tw_scsiop_mode_sense()
1496 tw_dev->state[request_id] = TW_S_COMPLETED; in tw_scsiop_mode_sense()
1497 tw_state_request_finish(tw_dev, request_id); in tw_scsiop_mode_sense()
1498 tw_dev->srb[request_id]->result = (DID_OK << 16); in tw_scsiop_mode_sense()
1499 tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]); in tw_scsiop_mode_sense()
1504 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_scsiop_mode_sense()
1520 if (tw_dev->alignment_virtual_address[request_id] == NULL) { in tw_scsiop_mode_sense()
1525 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_scsiop_mode_sense()
1527 param->table_id = TW_UNIT_INFORMATION_TABLE_BASE + tw_dev->srb[request_id]->device->id; in tw_scsiop_mode_sense()
1530 param_value = tw_dev->alignment_physical_address[request_id]; in tw_scsiop_mode_sense()
1538 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_scsiop_mode_sense()
1545 tw_post_command_packet(tw_dev, request_id); in tw_scsiop_mode_sense()
1551 static int tw_scsiop_mode_sense_complete(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_mode_sense_complete() argument
1559 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_scsiop_mode_sense_complete()
1577 tw_transfer_internal(tw_dev, request_id, request_buffer, in tw_scsiop_mode_sense_complete()
1584 static int tw_scsiop_read_capacity(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_read_capacity() argument
1594 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_scsiop_read_capacity()
1604 command_packet->unit__hostid = TW_UNITHOST_IN(0, tw_dev->srb[request_id]->device->id); in tw_scsiop_read_capacity()
1610 if (tw_dev->alignment_virtual_address[request_id] == NULL) { in tw_scsiop_read_capacity()
1614 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_scsiop_read_capacity()
1617 tw_dev->srb[request_id]->device->id; in tw_scsiop_read_capacity()
1620 param_value = tw_dev->alignment_physical_address[request_id]; in tw_scsiop_read_capacity()
1628 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_scsiop_read_capacity()
1635 tw_post_command_packet(tw_dev, request_id); in tw_scsiop_read_capacity()
1641 static int tw_scsiop_read_capacity_complete(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_read_capacity_complete() argument
1651 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_scsiop_read_capacity_complete()
1678 tw_transfer_internal(tw_dev, request_id, buff, sizeof(buff)); in tw_scsiop_read_capacity_complete()
1684 static int tw_scsiop_read_write(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_read_write() argument
1695 srb = tw_dev->srb[request_id]; in tw_scsiop_read_write()
1704 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_scsiop_read_write()
1736 tw_dev->sector_count = num_sectors; in tw_scsiop_read_write()
1737 if (tw_dev->sector_count > tw_dev->max_sector_count) in tw_scsiop_read_write()
1738 tw_dev->max_sector_count = tw_dev->sector_count; in tw_scsiop_read_write()
1748 scsi_for_each_sg(tw_dev->srb[request_id], sg, use_sg, i) { in tw_scsiop_read_write()
1755 tw_dev->sgl_entries = scsi_sg_count(tw_dev->srb[request_id]); in tw_scsiop_read_write()
1756 if (tw_dev->sgl_entries > tw_dev->max_sgl_entries) in tw_scsiop_read_write()
1757 tw_dev->max_sgl_entries = tw_dev->sgl_entries; in tw_scsiop_read_write()
1759 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_scsiop_read_write()
1766 tw_post_command_packet(tw_dev, request_id); in tw_scsiop_read_write()
1772 static int tw_scsiop_request_sense(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_request_sense() argument
1782 tw_transfer_internal(tw_dev, request_id, request_buffer, in tw_scsiop_request_sense()
1785 tw_dev->state[request_id] = TW_S_COMPLETED; in tw_scsiop_request_sense()
1786 tw_state_request_finish(tw_dev, request_id); in tw_scsiop_request_sense()
1789 tw_dev->srb[request_id]->result = (DID_ERROR << 16); in tw_scsiop_request_sense()
1790 tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]); in tw_scsiop_request_sense()
1796 static int tw_scsiop_synchronize_cache(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_synchronize_cache() argument
1804 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_scsiop_synchronize_cache()
1815 command_packet->unit__hostid = TW_UNITHOST_IN(0, tw_dev->srb[request_id]->device->id); in tw_scsiop_synchronize_cache()
1819 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_scsiop_synchronize_cache()
1826 tw_post_command_packet(tw_dev, request_id); in tw_scsiop_synchronize_cache()
1832 static int tw_scsiop_test_unit_ready(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_test_unit_ready() argument
1842 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_scsiop_test_unit_ready()
1856 if (tw_dev->alignment_virtual_address[request_id] == NULL) { in tw_scsiop_test_unit_ready()
1860 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_scsiop_test_unit_ready()
1865 param_value = tw_dev->alignment_physical_address[request_id]; in tw_scsiop_test_unit_ready()
1873 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_scsiop_test_unit_ready()
1880 tw_post_command_packet(tw_dev, request_id); in tw_scsiop_test_unit_ready()
1886 static int tw_scsiop_test_unit_ready_complete(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_test_unit_ready_complete() argument
1893 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_scsiop_test_unit_ready_complete()
1900 if (is_unit_present[tw_dev->srb[request_id]->device->id] & TW_UNIT_ONLINE) { in tw_scsiop_test_unit_ready_complete()
1901 tw_dev->is_unit_present[tw_dev->srb[request_id]->device->id] = 1; in tw_scsiop_test_unit_ready_complete()
1903 tw_dev->is_unit_present[tw_dev->srb[request_id]->device->id] = 0; in tw_scsiop_test_unit_ready_complete()
1904 tw_dev->srb[request_id]->result = (DID_BAD_TARGET << 16); in tw_scsiop_test_unit_ready_complete()
1917 TW_Device_Extension *tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata; in tw_scsi_queue_lck() local
1920 if (test_bit(TW_IN_RESET, &tw_dev->flags)) in tw_scsi_queue_lck()
1927 tw_state_request_start(tw_dev, &request_id); in tw_scsi_queue_lck()
1930 tw_dev->srb[request_id] = SCpnt; in tw_scsi_queue_lck()
1938 retval = tw_scsiop_read_write(tw_dev, request_id); in tw_scsi_queue_lck()
1942 retval = tw_scsiop_test_unit_ready(tw_dev, request_id); in tw_scsi_queue_lck()
1946 retval = tw_scsiop_inquiry(tw_dev, request_id); in tw_scsi_queue_lck()
1950 retval = tw_scsiop_read_capacity(tw_dev, request_id); in tw_scsi_queue_lck()
1954 retval = tw_scsiop_request_sense(tw_dev, request_id); in tw_scsi_queue_lck()
1958 retval = tw_scsiop_mode_sense(tw_dev, request_id); in tw_scsi_queue_lck()
1962 retval = tw_scsiop_synchronize_cache(tw_dev, request_id); in tw_scsi_queue_lck()
1968 …printk(KERN_NOTICE "3w-xxxx: scsi%d: Unknown scsi opcode: 0x%x\n", tw_dev->host->host_no, *command… in tw_scsi_queue_lck()
1969 tw_dev->state[request_id] = TW_S_COMPLETED; in tw_scsi_queue_lck()
1970 tw_state_request_finish(tw_dev, request_id); in tw_scsi_queue_lck()
1977 tw_dev->state[request_id] = TW_S_COMPLETED; in tw_scsi_queue_lck()
1978 tw_state_request_finish(tw_dev, request_id); in tw_scsi_queue_lck()
1993 TW_Device_Extension *tw_dev = (TW_Device_Extension *)dev_instance; in DEF_SCSI_QCMD() local
2000 spin_lock(tw_dev->host->host_lock); in DEF_SCSI_QCMD()
2003 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in DEF_SCSI_QCMD()
2012 if (test_bit(TW_IN_RESET, &tw_dev->flags)) in DEF_SCSI_QCMD()
2018 if (tw_decode_bits(tw_dev, status_reg_value, 1)) { in DEF_SCSI_QCMD()
2019 TW_CLEAR_ALL_INTERRUPTS(tw_dev); in DEF_SCSI_QCMD()
2027 TW_CLEAR_HOST_INTERRUPT(tw_dev); in DEF_SCSI_QCMD()
2033 TW_CLEAR_ATTENTION_INTERRUPT(tw_dev); in DEF_SCSI_QCMD()
2034 tw_state_request_start(tw_dev, &request_id); in DEF_SCSI_QCMD()
2035 error = tw_aen_read_queue(tw_dev, request_id); in DEF_SCSI_QCMD()
2037 printk(KERN_WARNING "3w-xxxx: scsi%d: Error reading aen queue.\n", tw_dev->host->host_no); in DEF_SCSI_QCMD()
2038 tw_dev->state[request_id] = TW_S_COMPLETED; in DEF_SCSI_QCMD()
2039 tw_state_request_finish(tw_dev, request_id); in DEF_SCSI_QCMD()
2046 while (tw_dev->pending_request_count > 0) { in DEF_SCSI_QCMD()
2047 request_id = tw_dev->pending_queue[tw_dev->pending_head]; in DEF_SCSI_QCMD()
2048 if (tw_dev->state[request_id] != TW_S_PENDING) { in DEF_SCSI_QCMD()
2049 …printk(KERN_WARNING "3w-xxxx: scsi%d: Found request id that wasn't pending.\n", tw_dev->host->host… in DEF_SCSI_QCMD()
2052 if (tw_post_command_packet(tw_dev, request_id)==0) { in DEF_SCSI_QCMD()
2053 if (tw_dev->pending_head == TW_Q_LENGTH-1) { in DEF_SCSI_QCMD()
2054 tw_dev->pending_head = TW_Q_START; in DEF_SCSI_QCMD()
2056 tw_dev->pending_head = tw_dev->pending_head + 1; in DEF_SCSI_QCMD()
2058 tw_dev->pending_request_count--; in DEF_SCSI_QCMD()
2065 if (tw_dev->pending_request_count == 0) in DEF_SCSI_QCMD()
2066 TW_MASK_COMMAND_INTERRUPT(tw_dev); in DEF_SCSI_QCMD()
2074 response_que.value = inl(TW_RESPONSE_QUEUE_REG_ADDR(tw_dev)); in DEF_SCSI_QCMD()
2076 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in DEF_SCSI_QCMD()
2082 if (tw_dev->srb[request_id] == NULL) { in DEF_SCSI_QCMD()
2083 tw_decode_sense(tw_dev, request_id, 0); in DEF_SCSI_QCMD()
2085 error = tw_decode_sense(tw_dev, request_id, 1); in DEF_SCSI_QCMD()
2090 if (tw_dev->state[request_id] != TW_S_POSTED) { in DEF_SCSI_QCMD()
2091 if (tw_dev->srb[request_id] != NULL) { in DEF_SCSI_QCMD()
2092 …printk(KERN_WARNING "3w-xxxx: scsi%d: Received a request id that wasn't posted.\n", tw_dev->host->… in DEF_SCSI_QCMD()
2100 if (tw_dev->srb[request_id] == NULL) { in DEF_SCSI_QCMD()
2103 if (request_id != tw_dev->chrdev_request_id) { in DEF_SCSI_QCMD()
2104 retval = tw_aen_complete(tw_dev, request_id); in DEF_SCSI_QCMD()
2106 printk(KERN_WARNING "3w-xxxx: scsi%d: Error completing aen.\n", tw_dev->host->host_no); in DEF_SCSI_QCMD()
2109 tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE; in DEF_SCSI_QCMD()
2110 wake_up(&tw_dev->ioctl_wqueue); in DEF_SCSI_QCMD()
2113 switch (tw_dev->srb[request_id]->cmnd[0]) { in DEF_SCSI_QCMD()
2124 error = tw_scsiop_test_unit_ready_complete(tw_dev, request_id); in DEF_SCSI_QCMD()
2128 error = tw_scsiop_inquiry_complete(tw_dev, request_id); in DEF_SCSI_QCMD()
2132 error = tw_scsiop_read_capacity_complete(tw_dev, request_id); in DEF_SCSI_QCMD()
2136 error = tw_scsiop_mode_sense_complete(tw_dev, request_id); in DEF_SCSI_QCMD()
2148 tw_dev->srb[request_id]->result = (DID_OK << 16); in DEF_SCSI_QCMD()
2154 tw_dev->srb[request_id]->result = (DID_OK << 16) | (CHECK_CONDITION << 1); in DEF_SCSI_QCMD()
2159 scsi_dma_unmap(tw_dev->srb[request_id]); in DEF_SCSI_QCMD()
2160 tw_dev->srb[request_id]->scsi_done(tw_dev->srb[request_id]); in DEF_SCSI_QCMD()
2161 tw_dev->state[request_id] = TW_S_COMPLETED; in DEF_SCSI_QCMD()
2162 tw_state_request_finish(tw_dev, request_id); in DEF_SCSI_QCMD()
2163 tw_dev->posted_request_count--; in DEF_SCSI_QCMD()
2168 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in DEF_SCSI_QCMD()
2171 if (tw_decode_bits(tw_dev, status_reg_value, 1)) { in DEF_SCSI_QCMD()
2172 TW_CLEAR_ALL_INTERRUPTS(tw_dev); in DEF_SCSI_QCMD()
2180 spin_unlock(tw_dev->host->host_lock); in DEF_SCSI_QCMD()
2185 static void __tw_shutdown(TW_Device_Extension *tw_dev) in __tw_shutdown() argument
2188 TW_DISABLE_INTERRUPTS(tw_dev); in __tw_shutdown()
2191 free_irq(tw_dev->tw_pci_dev->irq, tw_dev); in __tw_shutdown()
2193 printk(KERN_WARNING "3w-xxxx: Shutting down host %d.\n", tw_dev->host->host_no); in __tw_shutdown()
2196 if (tw_initconnection(tw_dev, 1)) { in __tw_shutdown()
2203 TW_ENABLE_AND_CLEAR_INTERRUPTS(tw_dev); in __tw_shutdown()
2210 TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata; in tw_shutdown() local
2212 __tw_shutdown(tw_dev); in tw_shutdown()
2247 TW_Device_Extension *tw_dev; in tw_probe() local
2270 tw_dev = (TW_Device_Extension *)host->hostdata; in tw_probe()
2273 tw_dev->host = host; in tw_probe()
2274 tw_dev->tw_pci_dev = pdev; in tw_probe()
2276 if (tw_initialize_device_extension(tw_dev)) { in tw_probe()
2289 tw_dev->base_addr = pci_resource_start(pdev, 0); in tw_probe()
2290 if (!tw_dev->base_addr) { in tw_probe()
2296 TW_DISABLE_INTERRUPTS(tw_dev); in tw_probe()
2299 if (tw_reset_sequence(tw_dev)) in tw_probe()
2319 …d: Found a 3ware Storage Controller at 0x%x, IRQ: %d.\n", host->host_no, tw_dev->base_addr, pdev->… in tw_probe()
2322 retval = request_irq(pdev->irq, tw_interrupt, IRQF_SHARED, "3w-xxxx", tw_dev); in tw_probe()
2328 tw_device_extension_list[tw_device_extension_count] = tw_dev; in tw_probe()
2332 TW_ENABLE_AND_CLEAR_INTERRUPTS(tw_dev); in tw_probe()
2348 tw_free_device_extension(tw_dev); in tw_probe()
2360 TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata; in tw_remove() local
2362 scsi_remove_host(tw_dev->host); in tw_remove()
2371 __tw_shutdown(tw_dev); in tw_remove()
2377 tw_free_device_extension(tw_dev); in tw_remove()
2379 scsi_host_put(tw_dev->host); in tw_remove()