Lines Matching refs:tw_dev
235 static int tw_reset_device_extension(TW_Device_Extension *tw_dev);
255 static int tw_decode_bits(TW_Device_Extension *tw_dev, u32 status_reg_value, int print_host) in tw_decode_bits() argument
262 sprintf(host, " scsi%d:", tw_dev->host->host_no); in tw_decode_bits()
268 outl(TW_CONTROL_CLEAR_PARITY_ERROR, TW_CONTROL_REG_ADDR(tw_dev)); in tw_decode_bits()
273 outl(TW_CONTROL_CLEAR_PCI_ABORT, TW_CONTROL_REG_ADDR(tw_dev)); in tw_decode_bits()
274 pci_write_config_word(tw_dev->tw_pci_dev, PCI_STATUS, TW_PCI_CLEAR_PCI_ABORT); in tw_decode_bits()
279 outl(TW_CONTROL_CLEAR_QUEUE_ERROR, TW_CONTROL_REG_ADDR(tw_dev)); in tw_decode_bits()
284 outl(TW_CONTROL_CLEAR_SBUF_WRITE_ERROR, TW_CONTROL_REG_ADDR(tw_dev)); in tw_decode_bits()
288 if (tw_dev->reset_print == 0) { in tw_decode_bits()
290 tw_dev->reset_print = 1; in tw_decode_bits()
299 static int tw_poll_status(TW_Device_Extension *tw_dev, u32 flag, int seconds) in tw_poll_status() argument
305 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_poll_status()
309 tw_decode_bits(tw_dev, status_reg_value, 0); in tw_poll_status()
312 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_poll_status()
315 tw_decode_bits(tw_dev, status_reg_value, 0); in tw_poll_status()
328 static int tw_poll_status_gone(TW_Device_Extension *tw_dev, u32 flag, int seconds) in tw_poll_status_gone() argument
334 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_poll_status_gone()
338 tw_decode_bits(tw_dev, status_reg_value, 0); in tw_poll_status_gone()
341 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_poll_status_gone()
344 tw_decode_bits(tw_dev, status_reg_value, 0); in tw_poll_status_gone()
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()
364 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_post_command_packet()
368 tw_decode_bits(tw_dev, status_reg_value, 1); in tw_post_command_packet()
373 outl(command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev)); in tw_post_command_packet()
374 tw_dev->state[request_id] = TW_S_POSTED; in tw_post_command_packet()
375 tw_dev->posted_request_count++; in tw_post_command_packet()
376 if (tw_dev->posted_request_count > tw_dev->max_posted_request_count) { in tw_post_command_packet()
377 tw_dev->max_posted_request_count = tw_dev->posted_request_count; 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()
383 tw_dev->pending_request_count++; in tw_post_command_packet()
384 if (tw_dev->pending_request_count > tw_dev->max_pending_request_count) { in tw_post_command_packet()
385 tw_dev->max_pending_request_count = tw_dev->pending_request_count; in tw_post_command_packet()
387 tw_dev->pending_queue[tw_dev->pending_tail] = request_id; in tw_post_command_packet()
388 if (tw_dev->pending_tail == TW_Q_LENGTH-1) { in tw_post_command_packet()
389 tw_dev->pending_tail = TW_Q_START; in tw_post_command_packet()
391 tw_dev->pending_tail = tw_dev->pending_tail + 1; in tw_post_command_packet()
394 TW_UNMASK_COMMAND_INTERRUPT(tw_dev); 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()
409 …xxxx: scsi%d: Command failed: status = 0x%x, flags = 0x%x, unit #%d.\n", tw_dev->host->host_no, co… 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()
446 static int tw_check_errors(TW_Device_Extension *tw_dev) in tw_check_errors() argument
450 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_check_errors()
453 tw_decode_bits(tw_dev, status_reg_value, 0); in tw_check_errors()
461 static void tw_empty_response_que(TW_Device_Extension *tw_dev) in tw_empty_response_que() argument
465 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_empty_response_que()
468 response_que_value = inl(TW_RESPONSE_QUEUE_REG_ADDR(tw_dev)); in tw_empty_response_que()
469 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_empty_response_que()
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()
478 tw_dev->free_tail = (tw_dev->free_tail + 1) % TW_Q_LENGTH; 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()
485 tw_dev->free_head = (tw_dev->free_head + 1) % TW_Q_LENGTH; in tw_state_request_start()
486 tw_dev->state[*request_id] = TW_S_STARTED; in tw_state_request_start()
494 TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata; in tw_show_stats() local
498 spin_lock_irqsave(tw_dev->host->host_lock, flags); in tw_show_stats()
511 tw_dev->posted_request_count, in tw_show_stats()
512 tw_dev->max_posted_request_count, in tw_show_stats()
513 tw_dev->pending_request_count, in tw_show_stats()
514 tw_dev->max_pending_request_count, in tw_show_stats()
515 tw_dev->sgl_entries, in tw_show_stats()
516 tw_dev->max_sgl_entries, in tw_show_stats()
517 tw_dev->sector_count, in tw_show_stats()
518 tw_dev->max_sector_count, in tw_show_stats()
519 tw_dev->num_resets, in tw_show_stats()
520 tw_dev->aen_count); in tw_show_stats()
521 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in tw_show_stats()
541 static int tw_aen_read_queue(TW_Device_Extension *tw_dev, int request_id) in tw_aen_read_queue() argument
551 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_aen_read_queue()
554 tw_decode_bits(tw_dev, status_reg_value, 1); in tw_aen_read_queue()
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()
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()
597 outl(command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev)); 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()
624 printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: INFO: AEN queue overflow.\n", tw_dev->host->host_no); in tw_aen_complete()
629 …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()
632 …printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s.\n", tw_dev->host->host_no, tw_aen_string[aen & 0xff… in tw_aen_complete()
635 printk(KERN_WARNING "3w-xxxx: scsi%d: Received AEN %d.\n", tw_dev->host->host_no, aen); in tw_aen_complete()
639 tw_dev->aen_count++; in tw_aen_complete()
642 tw_dev->aen_queue[tw_dev->aen_tail] = aen; in tw_aen_complete()
643 if (tw_dev->aen_tail == TW_Q_LENGTH - 1) { in tw_aen_complete()
644 tw_dev->aen_tail = TW_Q_START; in tw_aen_complete()
646 tw_dev->aen_tail = tw_dev->aen_tail + 1; in tw_aen_complete()
648 if (tw_dev->aen_head == tw_dev->aen_tail) { in tw_aen_complete()
649 if (tw_dev->aen_head == TW_Q_LENGTH - 1) { in tw_aen_complete()
650 tw_dev->aen_head = TW_Q_START; in tw_aen_complete()
652 tw_dev->aen_head = tw_dev->aen_head + 1; in tw_aen_complete()
656 error = tw_aen_read_queue(tw_dev, request_id); in tw_aen_complete()
658 printk(KERN_WARNING "3w-xxxx: scsi%d: Error completing AEN.\n", tw_dev->host->host_no); 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()
671 static int tw_aen_drain_queue(TW_Device_Extension *tw_dev) in tw_aen_drain_queue() argument
688 if (tw_poll_status(tw_dev, TW_STATUS_ATTENTION_INTERRUPT | TW_STATUS_MICROCONTROLLER_READY, 30)) { in tw_aen_drain_queue()
692 TW_CLEAR_ATTENTION_INTERRUPT(tw_dev); in tw_aen_drain_queue()
695 tw_empty_response_que(tw_dev); in tw_aen_drain_queue()
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()
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()
737 outl(command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev)); in tw_aen_drain_queue()
740 if (tw_poll_status_gone(tw_dev, TW_STATUS_RESPONSE_QUEUE_EMPTY, 30) == 0) { in tw_aen_drain_queue()
741 response_queue.value = inl(TW_RESPONSE_QUEUE_REG_ADDR(tw_dev)); in tw_aen_drain_queue()
753 tw_decode_sense(tw_dev, request_id, 0); in tw_aen_drain_queue()
779 tw_dev->aen_count++; in tw_aen_drain_queue()
797 tw_dev->aen_count++; in tw_aen_drain_queue()
803 tw_dev->aen_queue[tw_dev->aen_tail] = aen; in tw_aen_drain_queue()
804 if (tw_dev->aen_tail == TW_Q_LENGTH - 1) { in tw_aen_drain_queue()
805 tw_dev->aen_tail = TW_Q_START; in tw_aen_drain_queue()
807 tw_dev->aen_tail = tw_dev->aen_tail + 1; in tw_aen_drain_queue()
809 if (tw_dev->aen_head == tw_dev->aen_tail) { in tw_aen_drain_queue()
810 if (tw_dev->aen_head == TW_Q_LENGTH - 1) { in tw_aen_drain_queue()
811 tw_dev->aen_head = TW_Q_START; in tw_aen_drain_queue()
813 tw_dev->aen_head = tw_dev->aen_head + 1; in tw_aen_drain_queue()
829 static int tw_allocate_memory(TW_Device_Extension *tw_dev, int size, int which) in tw_allocate_memory() argument
837 cpu_addr = pci_alloc_consistent(tw_dev->tw_pci_dev, size*TW_Q_LENGTH, &dma_handle); in tw_allocate_memory()
843 …if ((unsigned long)cpu_addr % (tw_dev->tw_pci_dev->device == TW_DEVICE_ID ? TW_ALIGNMENT_6000 : TW… in tw_allocate_memory()
845 pci_free_consistent(tw_dev->tw_pci_dev, size*TW_Q_LENGTH, cpu_addr, dma_handle); in tw_allocate_memory()
854 tw_dev->command_packet_physical_address[i] = dma_handle+(i*size); in tw_allocate_memory()
855 …tw_dev->command_packet_virtual_address[i] = (unsigned long *)((unsigned char *)cpu_addr + (i*size)… in tw_allocate_memory()
858 tw_dev->alignment_physical_address[i] = dma_handle+(i*size); in tw_allocate_memory()
859 tw_dev->alignment_virtual_address[i] = (unsigned long *)((unsigned char *)cpu_addr + (i*size)); in tw_allocate_memory()
884 TW_Device_Extension *tw_dev = tw_device_extension_list[iminor(inode)]; in tw_chrdev_ioctl() local
892 if (mutex_lock_interruptible(&tw_dev->ioctl_lock)) { in tw_chrdev_ioctl()
911 …cpu_addr = dma_alloc_coherent(&tw_dev->tw_pci_dev->dev, data_buffer_length_adjusted+sizeof(TW_New_… in tw_chrdev_ioctl()
934 spin_lock_irqsave(tw_dev->host->host_lock, flags); in tw_chrdev_ioctl()
935 if (tw_dev->aen_head == tw_dev->aen_tail) { in tw_chrdev_ioctl()
938 tw_aen_code = tw_dev->aen_queue[tw_dev->aen_head]; in tw_chrdev_ioctl()
939 if (tw_dev->aen_head == TW_Q_LENGTH - 1) { in tw_chrdev_ioctl()
940 tw_dev->aen_head = TW_Q_START; in tw_chrdev_ioctl()
942 tw_dev->aen_head = tw_dev->aen_head + 1; in tw_chrdev_ioctl()
945 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in tw_chrdev_ioctl()
950 spin_lock_irqsave(tw_dev->host->host_lock, flags); in tw_chrdev_ioctl()
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()
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()
982 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in tw_chrdev_ioctl()
987 …timeout = wait_event_timeout(tw_dev->ioctl_wqueue, tw_dev->chrdev_request_id == TW_IOCTL_CHRDEV_FR… in tw_chrdev_ioctl()
990 if (tw_dev->chrdev_request_id != TW_IOCTL_CHRDEV_FREE) { in tw_chrdev_ioctl()
992 … "3w-xxxx: scsi%d: Character ioctl (0x%x) timed out, resetting card.\n", tw_dev->host->host_no, cm… in tw_chrdev_ioctl()
994 if (tw_reset_device_extension(tw_dev)) { in tw_chrdev_ioctl()
995 …printk(KERN_WARNING "3w-xxxx: tw_chrdev_ioctl(): Reset failed for card %d.\n", tw_dev->host->host_… in tw_chrdev_ioctl()
1001 …memcpy(&(tw_ioctl->firmware_command), tw_dev->command_packet_virtual_address[request_id], sizeof(T… in tw_chrdev_ioctl()
1004 spin_lock_irqsave(tw_dev->host->host_lock, flags); in tw_chrdev_ioctl()
1005 tw_dev->posted_request_count--; 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()
1008 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in tw_chrdev_ioctl()
1021 …dma_free_coherent(&tw_dev->tw_pci_dev->dev, data_buffer_length_adjusted+sizeof(TW_New_Ioctl) - 1, … in tw_chrdev_ioctl()
1023 mutex_unlock(&tw_dev->ioctl_lock); in tw_chrdev_ioctl()
1059 static void tw_free_device_extension(TW_Device_Extension *tw_dev) in tw_free_device_extension() argument
1064 if (tw_dev->command_packet_virtual_address[0]) in tw_free_device_extension()
1065 …pci_free_consistent(tw_dev->tw_pci_dev, sizeof(TW_Command)*TW_Q_LENGTH, tw_dev->command_packet_vir… in tw_free_device_extension()
1067 if (tw_dev->alignment_virtual_address[0]) in tw_free_device_extension()
1068 …pci_free_consistent(tw_dev->tw_pci_dev, sizeof(TW_Sector)*TW_Q_LENGTH, tw_dev->alignment_virtual_a… in tw_free_device_extension()
1072 static int tw_initconnection(TW_Device_Extension *tw_dev, int message_credits) in tw_initconnection() argument
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()
1096 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_initconnection()
1104 outl(command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev)); in tw_initconnection()
1107 if (tw_poll_status_gone(tw_dev, TW_STATUS_RESPONSE_QUEUE_EMPTY, 30) == 0) { in tw_initconnection()
1108 response_queue.value = inl(TW_RESPONSE_QUEUE_REG_ADDR(tw_dev)); in tw_initconnection()
1118 tw_decode_sense(tw_dev, request_id, 0); in tw_initconnection()
1126 static int tw_setfeature(TW_Device_Extension *tw_dev, int parm, int param_size, in tw_setfeature() argument
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()
1166 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_setfeature()
1173 outl(command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev)); in tw_setfeature()
1176 if (tw_poll_status_gone(tw_dev, TW_STATUS_RESPONSE_QUEUE_EMPTY, 30) == 0) { in tw_setfeature()
1177 response_queue.value = inl(TW_RESPONSE_QUEUE_REG_ADDR(tw_dev)); in tw_setfeature()
1187 tw_decode_sense(tw_dev, request_id, 0); in tw_setfeature()
1196 static int tw_reset_sequence(TW_Device_Extension *tw_dev) in tw_reset_sequence() argument
1204 TW_SOFT_RESET(tw_dev); in tw_reset_sequence()
1206 error = tw_aen_drain_queue(tw_dev); in tw_reset_sequence()
1208 printk(KERN_WARNING "3w-xxxx: scsi%d: AEN drain failed, retrying.\n", tw_dev->host->host_no); in tw_reset_sequence()
1214 if (tw_check_errors(tw_dev)) { in tw_reset_sequence()
1215 …printk(KERN_WARNING "3w-xxxx: scsi%d: Controller errors found, retrying.\n", tw_dev->host->host_no… in tw_reset_sequence()
1225 …xxx: scsi%d: Controller errors, card not responding, check all cabling.\n", tw_dev->host->host_no); in tw_reset_sequence()
1229 error = tw_initconnection(tw_dev, TW_INIT_MESSAGE_CREDITS); in tw_reset_sequence()
1231 …printk(KERN_WARNING "3w-xxxx: scsi%d: Connection initialization failed.\n", tw_dev->host->host_no); in tw_reset_sequence()
1235 error = tw_setfeature(tw_dev, 2, 1, &c); in tw_reset_sequence()
1244 static int tw_initialize_device_extension(TW_Device_Extension *tw_dev) in tw_initialize_device_extension() argument
1251 error = tw_allocate_memory(tw_dev, sizeof(TW_Command), 0); in tw_initialize_device_extension()
1258 error = tw_allocate_memory(tw_dev, sizeof(TW_Sector), 1); in tw_initialize_device_extension()
1265 tw_dev->free_queue[i] = i; in tw_initialize_device_extension()
1266 tw_dev->state[i] = TW_S_INITIAL; in tw_initialize_device_extension()
1269 tw_dev->pending_head = TW_Q_START; in tw_initialize_device_extension()
1270 tw_dev->pending_tail = TW_Q_START; in tw_initialize_device_extension()
1271 tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE; in tw_initialize_device_extension()
1273 mutex_init(&tw_dev->ioctl_lock); in tw_initialize_device_extension()
1274 init_waitqueue_head(&tw_dev->ioctl_wqueue); in tw_initialize_device_extension()
1280 static int tw_reset_device_extension(TW_Device_Extension *tw_dev) in tw_reset_device_extension() argument
1288 set_bit(TW_IN_RESET, &tw_dev->flags); in tw_reset_device_extension()
1289 TW_DISABLE_INTERRUPTS(tw_dev); in tw_reset_device_extension()
1290 TW_MASK_COMMAND_INTERRUPT(tw_dev); in tw_reset_device_extension()
1291 spin_lock_irqsave(tw_dev->host->host_lock, flags); in tw_reset_device_extension()
1295 if ((tw_dev->state[i] != TW_S_FINISHED) && in tw_reset_device_extension()
1296 (tw_dev->state[i] != TW_S_INITIAL) && in tw_reset_device_extension()
1297 (tw_dev->state[i] != TW_S_COMPLETED)) { in tw_reset_device_extension()
1298 srb = tw_dev->srb[i]; in tw_reset_device_extension()
1309 tw_dev->free_queue[i] = i; in tw_reset_device_extension()
1310 tw_dev->state[i] = TW_S_INITIAL; in tw_reset_device_extension()
1312 tw_dev->free_head = TW_Q_START; in tw_reset_device_extension()
1313 tw_dev->free_tail = TW_Q_START; in tw_reset_device_extension()
1314 tw_dev->posted_request_count = 0; in tw_reset_device_extension()
1315 tw_dev->pending_request_count = 0; in tw_reset_device_extension()
1316 tw_dev->pending_head = TW_Q_START; in tw_reset_device_extension()
1317 tw_dev->pending_tail = TW_Q_START; in tw_reset_device_extension()
1318 tw_dev->reset_print = 0; in tw_reset_device_extension()
1320 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in tw_reset_device_extension()
1322 if (tw_reset_sequence(tw_dev)) { in tw_reset_device_extension()
1323 printk(KERN_WARNING "3w-xxxx: scsi%d: Reset sequence failed.\n", tw_dev->host->host_no); in tw_reset_device_extension()
1327 TW_ENABLE_AND_CLEAR_INTERRUPTS(tw_dev); in tw_reset_device_extension()
1328 clear_bit(TW_IN_RESET, &tw_dev->flags); in tw_reset_device_extension()
1329 tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE; in tw_reset_device_extension()
1339 TW_Device_Extension *tw_dev; in tw_scsi_biosparam() local
1342 tw_dev = (TW_Device_Extension *)sdev->host->hostdata; in tw_scsi_biosparam()
1365 TW_Device_Extension *tw_dev=NULL; in tw_scsi_eh_reset() local
1368 tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata; in tw_scsi_eh_reset()
1370 tw_dev->num_resets++; in tw_scsi_eh_reset()
1377 mutex_lock(&tw_dev->ioctl_lock); in tw_scsi_eh_reset()
1380 if (tw_reset_device_extension(tw_dev)) { in tw_scsi_eh_reset()
1381 printk(KERN_WARNING "3w-xxxx: scsi%d: Reset failed.\n", tw_dev->host->host_no); in tw_scsi_eh_reset()
1387 mutex_unlock(&tw_dev->ioctl_lock); in tw_scsi_eh_reset()
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()
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()
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()
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()
1741 tw_dev->sector_count = num_sectors; in tw_scsiop_read_write()
1742 if (tw_dev->sector_count > tw_dev->max_sector_count) in tw_scsiop_read_write()
1743 tw_dev->max_sector_count = tw_dev->sector_count; 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()
1761 if (tw_dev->sgl_entries > tw_dev->max_sgl_entries) in tw_scsiop_read_write()
1762 tw_dev->max_sgl_entries = tw_dev->sgl_entries; 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()
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()
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()
1922 TW_Device_Extension *tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata; in tw_scsi_queue_lck() local
1925 if (test_bit(TW_IN_RESET, &tw_dev->flags)) in tw_scsi_queue_lck()
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()
1973 …printk(KERN_NOTICE "3w-xxxx: scsi%d: Unknown scsi opcode: 0x%x\n", tw_dev->host->host_no, *command… 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()
1998 TW_Device_Extension *tw_dev = (TW_Device_Extension *)dev_instance; in DEF_SCSI_QCMD() local
2005 spin_lock(tw_dev->host->host_lock); in DEF_SCSI_QCMD()
2008 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in DEF_SCSI_QCMD()
2017 if (test_bit(TW_IN_RESET, &tw_dev->flags)) in DEF_SCSI_QCMD()
2023 if (tw_decode_bits(tw_dev, status_reg_value, 1)) { in DEF_SCSI_QCMD()
2024 TW_CLEAR_ALL_INTERRUPTS(tw_dev); in DEF_SCSI_QCMD()
2032 TW_CLEAR_HOST_INTERRUPT(tw_dev); in DEF_SCSI_QCMD()
2038 TW_CLEAR_ATTENTION_INTERRUPT(tw_dev); in DEF_SCSI_QCMD()
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()
2042 printk(KERN_WARNING "3w-xxxx: scsi%d: Error reading aen queue.\n", tw_dev->host->host_no); 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()
2051 while (tw_dev->pending_request_count > 0) { 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()
2054 …printk(KERN_WARNING "3w-xxxx: scsi%d: Found request id that wasn't pending.\n", tw_dev->host->host… in DEF_SCSI_QCMD()
2057 if (tw_post_command_packet(tw_dev, request_id)==0) { in DEF_SCSI_QCMD()
2058 if (tw_dev->pending_head == TW_Q_LENGTH-1) { in DEF_SCSI_QCMD()
2059 tw_dev->pending_head = TW_Q_START; in DEF_SCSI_QCMD()
2061 tw_dev->pending_head = tw_dev->pending_head + 1; in DEF_SCSI_QCMD()
2063 tw_dev->pending_request_count--; in DEF_SCSI_QCMD()
2070 if (tw_dev->pending_request_count == 0) in DEF_SCSI_QCMD()
2071 TW_MASK_COMMAND_INTERRUPT(tw_dev); in DEF_SCSI_QCMD()
2079 response_que.value = inl(TW_RESPONSE_QUEUE_REG_ADDR(tw_dev)); 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()
2097 …printk(KERN_WARNING "3w-xxxx: scsi%d: Received a request id that wasn't posted.\n", tw_dev->host->… 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()
2111 printk(KERN_WARNING "3w-xxxx: scsi%d: Error completing aen.\n", tw_dev->host->host_no); in DEF_SCSI_QCMD()
2114 tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE; in DEF_SCSI_QCMD()
2115 wake_up(&tw_dev->ioctl_wqueue); 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()
2168 tw_dev->posted_request_count--; in DEF_SCSI_QCMD()
2173 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in DEF_SCSI_QCMD()
2176 if (tw_decode_bits(tw_dev, status_reg_value, 1)) { in DEF_SCSI_QCMD()
2177 TW_CLEAR_ALL_INTERRUPTS(tw_dev); in DEF_SCSI_QCMD()
2185 spin_unlock(tw_dev->host->host_lock); in DEF_SCSI_QCMD()
2190 static void __tw_shutdown(TW_Device_Extension *tw_dev) in __tw_shutdown() argument
2193 TW_DISABLE_INTERRUPTS(tw_dev); in __tw_shutdown()
2196 free_irq(tw_dev->tw_pci_dev->irq, tw_dev); in __tw_shutdown()
2198 printk(KERN_WARNING "3w-xxxx: Shutting down host %d.\n", tw_dev->host->host_no); in __tw_shutdown()
2201 if (tw_initconnection(tw_dev, 1)) { in __tw_shutdown()
2208 TW_ENABLE_AND_CLEAR_INTERRUPTS(tw_dev); in __tw_shutdown()
2215 TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata; in tw_shutdown() local
2217 __tw_shutdown(tw_dev); in tw_shutdown()
2252 TW_Device_Extension *tw_dev; in tw_probe() local
2275 tw_dev = (TW_Device_Extension *)host->hostdata; in tw_probe()
2278 tw_dev->host = host; in tw_probe()
2279 tw_dev->tw_pci_dev = pdev; in tw_probe()
2281 if (tw_initialize_device_extension(tw_dev)) { in tw_probe()
2295 tw_dev->base_addr = pci_resource_start(pdev, 0); in tw_probe()
2296 if (!tw_dev->base_addr) { in tw_probe()
2303 TW_DISABLE_INTERRUPTS(tw_dev); in tw_probe()
2306 if (tw_reset_sequence(tw_dev)) in tw_probe()
2326 …d: Found a 3ware Storage Controller at 0x%x, IRQ: %d.\n", host->host_no, tw_dev->base_addr, pdev->… in tw_probe()
2329 retval = request_irq(pdev->irq, tw_interrupt, IRQF_SHARED, "3w-xxxx", tw_dev); in tw_probe()
2335 tw_device_extension_list[tw_device_extension_count] = tw_dev; in tw_probe()
2339 TW_ENABLE_AND_CLEAR_INTERRUPTS(tw_dev); in tw_probe()
2355 tw_free_device_extension(tw_dev); in tw_probe()
2367 TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata; in tw_remove() local
2369 scsi_remove_host(tw_dev->host); in tw_remove()
2378 __tw_shutdown(tw_dev); in tw_remove()
2384 tw_free_device_extension(tw_dev); in tw_remove()
2386 scsi_host_put(tw_dev->host); in tw_remove()