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) | SAM_STAT_CHECK_CONDITION; 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 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()
543 static int tw_aen_read_queue(TW_Device_Extension *tw_dev, int request_id) in tw_aen_read_queue() argument
553 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in tw_aen_read_queue()
556 tw_decode_bits(tw_dev, status_reg_value, 1); in tw_aen_read_queue()
559 if (tw_dev->command_packet_virtual_address[request_id] == NULL) { in tw_aen_read_queue()
563 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_aen_read_queue()
571 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_aen_read_queue()
577 if (tw_dev->alignment_virtual_address[request_id] == NULL) { in tw_aen_read_queue()
581 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_aen_read_queue()
586 param_value = tw_dev->alignment_physical_address[request_id]; in tw_aen_read_queue()
597 tw_dev->srb[request_id] = NULL; /* Flag internal command */ in tw_aen_read_queue()
598 tw_dev->state[request_id] = TW_S_POSTED; in tw_aen_read_queue()
599 outl(command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev)); in tw_aen_read_queue()
609 static int tw_aen_complete(TW_Device_Extension *tw_dev, int request_id) in tw_aen_complete() argument
616 if (tw_dev->alignment_virtual_address[request_id] == NULL) { in tw_aen_complete()
620 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_aen_complete()
626 printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: INFO: AEN queue overflow.\n", tw_dev->host->host_no); in tw_aen_complete()
631 …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()
634 …printk(KERN_WARNING "3w-xxxx: scsi%d: AEN: %s.\n", tw_dev->host->host_no, tw_aen_string[aen & 0xff… in tw_aen_complete()
637 printk(KERN_WARNING "3w-xxxx: scsi%d: Received AEN %d.\n", tw_dev->host->host_no, aen); in tw_aen_complete()
641 tw_dev->aen_count++; in tw_aen_complete()
644 tw_dev->aen_queue[tw_dev->aen_tail] = aen; in tw_aen_complete()
645 if (tw_dev->aen_tail == TW_Q_LENGTH - 1) { in tw_aen_complete()
646 tw_dev->aen_tail = TW_Q_START; in tw_aen_complete()
648 tw_dev->aen_tail = tw_dev->aen_tail + 1; in tw_aen_complete()
650 if (tw_dev->aen_head == tw_dev->aen_tail) { in tw_aen_complete()
651 if (tw_dev->aen_head == TW_Q_LENGTH - 1) { in tw_aen_complete()
652 tw_dev->aen_head = TW_Q_START; in tw_aen_complete()
654 tw_dev->aen_head = tw_dev->aen_head + 1; in tw_aen_complete()
658 error = tw_aen_read_queue(tw_dev, request_id); in tw_aen_complete()
660 printk(KERN_WARNING "3w-xxxx: scsi%d: Error completing AEN.\n", tw_dev->host->host_no); in tw_aen_complete()
661 tw_dev->state[request_id] = TW_S_COMPLETED; in tw_aen_complete()
662 tw_state_request_finish(tw_dev, request_id); in tw_aen_complete()
665 tw_dev->state[request_id] = TW_S_COMPLETED; in tw_aen_complete()
666 tw_state_request_finish(tw_dev, request_id); in tw_aen_complete()
673 static int tw_aen_drain_queue(TW_Device_Extension *tw_dev) in tw_aen_drain_queue() argument
690 if (tw_poll_status(tw_dev, TW_STATUS_ATTENTION_INTERRUPT | TW_STATUS_MICROCONTROLLER_READY, 30)) { in tw_aen_drain_queue()
694 TW_CLEAR_ATTENTION_INTERRUPT(tw_dev); in tw_aen_drain_queue()
697 tw_empty_response_que(tw_dev); in tw_aen_drain_queue()
700 if (tw_dev->command_packet_virtual_address[request_id] == NULL) { in tw_aen_drain_queue()
704 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_aen_drain_queue()
712 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_aen_drain_queue()
719 if (tw_dev->alignment_virtual_address[request_id] == NULL) { in tw_aen_drain_queue()
723 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_aen_drain_queue()
728 param_value = tw_dev->alignment_physical_address[request_id]; in tw_aen_drain_queue()
739 outl(command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev)); in tw_aen_drain_queue()
742 if (tw_poll_status_gone(tw_dev, TW_STATUS_RESPONSE_QUEUE_EMPTY, 30) == 0) { in tw_aen_drain_queue()
743 response_queue.value = inl(TW_RESPONSE_QUEUE_REG_ADDR(tw_dev)); in tw_aen_drain_queue()
755 tw_decode_sense(tw_dev, request_id, 0); in tw_aen_drain_queue()
781 tw_dev->aen_count++; in tw_aen_drain_queue()
799 tw_dev->aen_count++; in tw_aen_drain_queue()
805 tw_dev->aen_queue[tw_dev->aen_tail] = aen; in tw_aen_drain_queue()
806 if (tw_dev->aen_tail == TW_Q_LENGTH - 1) { in tw_aen_drain_queue()
807 tw_dev->aen_tail = TW_Q_START; in tw_aen_drain_queue()
809 tw_dev->aen_tail = tw_dev->aen_tail + 1; in tw_aen_drain_queue()
811 if (tw_dev->aen_head == tw_dev->aen_tail) { in tw_aen_drain_queue()
812 if (tw_dev->aen_head == TW_Q_LENGTH - 1) { in tw_aen_drain_queue()
813 tw_dev->aen_head = TW_Q_START; in tw_aen_drain_queue()
815 tw_dev->aen_head = tw_dev->aen_head + 1; in tw_aen_drain_queue()
831 static int tw_allocate_memory(TW_Device_Extension *tw_dev, int size, int which) in tw_allocate_memory() argument
839 cpu_addr = dma_alloc_coherent(&tw_dev->tw_pci_dev->dev, in tw_allocate_memory()
846 …if ((unsigned long)cpu_addr % (tw_dev->tw_pci_dev->device == TW_DEVICE_ID ? TW_ALIGNMENT_6000 : TW… in tw_allocate_memory()
848 dma_free_coherent(&tw_dev->tw_pci_dev->dev, size * TW_Q_LENGTH, in tw_allocate_memory()
858 tw_dev->command_packet_physical_address[i] = dma_handle+(i*size); in tw_allocate_memory()
859 …tw_dev->command_packet_virtual_address[i] = (unsigned long *)((unsigned char *)cpu_addr + (i*size)… in tw_allocate_memory()
862 tw_dev->alignment_physical_address[i] = dma_handle+(i*size); in tw_allocate_memory()
863 tw_dev->alignment_virtual_address[i] = (unsigned long *)((unsigned char *)cpu_addr + (i*size)); in tw_allocate_memory()
888 TW_Device_Extension *tw_dev = tw_device_extension_list[iminor(inode)]; in tw_chrdev_ioctl() local
896 if (mutex_lock_interruptible(&tw_dev->ioctl_lock)) { in tw_chrdev_ioctl()
915 …cpu_addr = dma_alloc_coherent(&tw_dev->tw_pci_dev->dev, data_buffer_length_adjusted+sizeof(TW_New_… in tw_chrdev_ioctl()
938 spin_lock_irqsave(tw_dev->host->host_lock, flags); in tw_chrdev_ioctl()
939 if (tw_dev->aen_head == tw_dev->aen_tail) { in tw_chrdev_ioctl()
942 tw_aen_code = tw_dev->aen_queue[tw_dev->aen_head]; in tw_chrdev_ioctl()
943 if (tw_dev->aen_head == TW_Q_LENGTH - 1) { in tw_chrdev_ioctl()
944 tw_dev->aen_head = TW_Q_START; in tw_chrdev_ioctl()
946 tw_dev->aen_head = tw_dev->aen_head + 1; in tw_chrdev_ioctl()
949 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in tw_chrdev_ioctl()
954 spin_lock_irqsave(tw_dev->host->host_lock, flags); in tw_chrdev_ioctl()
956 tw_state_request_start(tw_dev, &request_id); in tw_chrdev_ioctl()
959 tw_dev->srb[request_id] = NULL; in tw_chrdev_ioctl()
962 tw_dev->chrdev_request_id = request_id; in tw_chrdev_ioctl()
982 …memcpy(tw_dev->command_packet_virtual_address[request_id], &(tw_ioctl->firmware_command), sizeof(T… in tw_chrdev_ioctl()
985 tw_post_command_packet(tw_dev, request_id); in tw_chrdev_ioctl()
986 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in tw_chrdev_ioctl()
991 …timeout = wait_event_timeout(tw_dev->ioctl_wqueue, tw_dev->chrdev_request_id == TW_IOCTL_CHRDEV_FR… in tw_chrdev_ioctl()
994 if (tw_dev->chrdev_request_id != TW_IOCTL_CHRDEV_FREE) { in tw_chrdev_ioctl()
996 … "3w-xxxx: scsi%d: Character ioctl (0x%x) timed out, resetting card.\n", tw_dev->host->host_no, cm… in tw_chrdev_ioctl()
998 if (tw_reset_device_extension(tw_dev)) { in tw_chrdev_ioctl()
999 …printk(KERN_WARNING "3w-xxxx: tw_chrdev_ioctl(): Reset failed for card %d.\n", tw_dev->host->host_… in tw_chrdev_ioctl()
1005 …memcpy(&(tw_ioctl->firmware_command), tw_dev->command_packet_virtual_address[request_id], sizeof(T… in tw_chrdev_ioctl()
1008 spin_lock_irqsave(tw_dev->host->host_lock, flags); in tw_chrdev_ioctl()
1009 tw_dev->posted_request_count--; in tw_chrdev_ioctl()
1010 tw_dev->state[request_id] = TW_S_COMPLETED; in tw_chrdev_ioctl()
1011 tw_state_request_finish(tw_dev, request_id); in tw_chrdev_ioctl()
1012 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in tw_chrdev_ioctl()
1025 …dma_free_coherent(&tw_dev->tw_pci_dev->dev, data_buffer_length_adjusted+sizeof(TW_New_Ioctl) - 1, … in tw_chrdev_ioctl()
1027 mutex_unlock(&tw_dev->ioctl_lock); in tw_chrdev_ioctl()
1061 static void tw_free_device_extension(TW_Device_Extension *tw_dev) in tw_free_device_extension() argument
1066 if (tw_dev->command_packet_virtual_address[0]) in tw_free_device_extension()
1067 dma_free_coherent(&tw_dev->tw_pci_dev->dev, in tw_free_device_extension()
1069 tw_dev->command_packet_virtual_address[0], in tw_free_device_extension()
1070 tw_dev->command_packet_physical_address[0]); in tw_free_device_extension()
1072 if (tw_dev->alignment_virtual_address[0]) in tw_free_device_extension()
1073 dma_free_coherent(&tw_dev->tw_pci_dev->dev, in tw_free_device_extension()
1075 tw_dev->alignment_virtual_address[0], in tw_free_device_extension()
1076 tw_dev->alignment_physical_address[0]); in tw_free_device_extension()
1080 static int tw_initconnection(TW_Device_Extension *tw_dev, int message_credits) in tw_initconnection() argument
1090 if (tw_dev->command_packet_virtual_address[request_id] == NULL) { in tw_initconnection()
1095 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_initconnection()
1104 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_initconnection()
1112 outl(command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev)); in tw_initconnection()
1115 if (tw_poll_status_gone(tw_dev, TW_STATUS_RESPONSE_QUEUE_EMPTY, 30) == 0) { in tw_initconnection()
1116 response_queue.value = inl(TW_RESPONSE_QUEUE_REG_ADDR(tw_dev)); in tw_initconnection()
1126 tw_decode_sense(tw_dev, request_id, 0); in tw_initconnection()
1134 static int tw_setfeature(TW_Device_Extension *tw_dev, int parm, int param_size, in tw_setfeature() argument
1145 if (tw_dev->command_packet_virtual_address[request_id] == NULL) { in tw_setfeature()
1149 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_setfeature()
1151 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_setfeature()
1159 param_value = tw_dev->alignment_physical_address[request_id]; in tw_setfeature()
1162 tw_dev->state[request_id] = TW_S_COMPLETED; in tw_setfeature()
1163 tw_state_request_finish(tw_dev, request_id); in tw_setfeature()
1164 tw_dev->srb[request_id]->result = (DID_OK << 16); in tw_setfeature()
1165 scsi_done(tw_dev->srb[request_id]); in tw_setfeature()
1174 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_setfeature()
1181 outl(command_que_value, TW_COMMAND_QUEUE_REG_ADDR(tw_dev)); in tw_setfeature()
1184 if (tw_poll_status_gone(tw_dev, TW_STATUS_RESPONSE_QUEUE_EMPTY, 30) == 0) { in tw_setfeature()
1185 response_queue.value = inl(TW_RESPONSE_QUEUE_REG_ADDR(tw_dev)); in tw_setfeature()
1195 tw_decode_sense(tw_dev, request_id, 0); in tw_setfeature()
1204 static int tw_reset_sequence(TW_Device_Extension *tw_dev) in tw_reset_sequence() argument
1212 TW_SOFT_RESET(tw_dev); in tw_reset_sequence()
1214 error = tw_aen_drain_queue(tw_dev); in tw_reset_sequence()
1216 printk(KERN_WARNING "3w-xxxx: scsi%d: AEN drain failed, retrying.\n", tw_dev->host->host_no); in tw_reset_sequence()
1222 if (tw_check_errors(tw_dev)) { in tw_reset_sequence()
1223 …printk(KERN_WARNING "3w-xxxx: scsi%d: Controller errors found, retrying.\n", tw_dev->host->host_no… in tw_reset_sequence()
1233 …xxx: scsi%d: Controller errors, card not responding, check all cabling.\n", tw_dev->host->host_no); in tw_reset_sequence()
1237 error = tw_initconnection(tw_dev, TW_INIT_MESSAGE_CREDITS); in tw_reset_sequence()
1239 …printk(KERN_WARNING "3w-xxxx: scsi%d: Connection initialization failed.\n", tw_dev->host->host_no); in tw_reset_sequence()
1243 error = tw_setfeature(tw_dev, 2, 1, &c); in tw_reset_sequence()
1252 static int tw_initialize_device_extension(TW_Device_Extension *tw_dev) in tw_initialize_device_extension() argument
1259 error = tw_allocate_memory(tw_dev, sizeof(TW_Command), 0); in tw_initialize_device_extension()
1266 error = tw_allocate_memory(tw_dev, sizeof(TW_Sector), 1); in tw_initialize_device_extension()
1273 tw_dev->free_queue[i] = i; in tw_initialize_device_extension()
1274 tw_dev->state[i] = TW_S_INITIAL; in tw_initialize_device_extension()
1277 tw_dev->pending_head = TW_Q_START; in tw_initialize_device_extension()
1278 tw_dev->pending_tail = TW_Q_START; in tw_initialize_device_extension()
1279 tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE; in tw_initialize_device_extension()
1281 mutex_init(&tw_dev->ioctl_lock); in tw_initialize_device_extension()
1282 init_waitqueue_head(&tw_dev->ioctl_wqueue); in tw_initialize_device_extension()
1288 static int tw_reset_device_extension(TW_Device_Extension *tw_dev) in tw_reset_device_extension() argument
1296 set_bit(TW_IN_RESET, &tw_dev->flags); in tw_reset_device_extension()
1297 TW_DISABLE_INTERRUPTS(tw_dev); in tw_reset_device_extension()
1298 TW_MASK_COMMAND_INTERRUPT(tw_dev); in tw_reset_device_extension()
1299 spin_lock_irqsave(tw_dev->host->host_lock, flags); in tw_reset_device_extension()
1303 if ((tw_dev->state[i] != TW_S_FINISHED) && in tw_reset_device_extension()
1304 (tw_dev->state[i] != TW_S_INITIAL) && in tw_reset_device_extension()
1305 (tw_dev->state[i] != TW_S_COMPLETED)) { in tw_reset_device_extension()
1306 srb = tw_dev->srb[i]; in tw_reset_device_extension()
1317 tw_dev->free_queue[i] = i; in tw_reset_device_extension()
1318 tw_dev->state[i] = TW_S_INITIAL; in tw_reset_device_extension()
1320 tw_dev->free_head = TW_Q_START; in tw_reset_device_extension()
1321 tw_dev->free_tail = TW_Q_START; in tw_reset_device_extension()
1322 tw_dev->posted_request_count = 0; in tw_reset_device_extension()
1323 tw_dev->pending_request_count = 0; in tw_reset_device_extension()
1324 tw_dev->pending_head = TW_Q_START; in tw_reset_device_extension()
1325 tw_dev->pending_tail = TW_Q_START; in tw_reset_device_extension()
1326 tw_dev->reset_print = 0; in tw_reset_device_extension()
1328 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in tw_reset_device_extension()
1330 if (tw_reset_sequence(tw_dev)) { in tw_reset_device_extension()
1331 printk(KERN_WARNING "3w-xxxx: scsi%d: Reset sequence failed.\n", tw_dev->host->host_no); in tw_reset_device_extension()
1335 TW_ENABLE_AND_CLEAR_INTERRUPTS(tw_dev); in tw_reset_device_extension()
1336 clear_bit(TW_IN_RESET, &tw_dev->flags); in tw_reset_device_extension()
1337 tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE; in tw_reset_device_extension()
1371 TW_Device_Extension *tw_dev=NULL; in tw_scsi_eh_reset() local
1374 tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata; in tw_scsi_eh_reset()
1376 tw_dev->num_resets++; in tw_scsi_eh_reset()
1383 mutex_lock(&tw_dev->ioctl_lock); in tw_scsi_eh_reset()
1386 if (tw_reset_device_extension(tw_dev)) { in tw_scsi_eh_reset()
1387 printk(KERN_WARNING "3w-xxxx: scsi%d: Reset failed.\n", tw_dev->host->host_no); in tw_scsi_eh_reset()
1393 mutex_unlock(&tw_dev->ioctl_lock); in tw_scsi_eh_reset()
1398 static int tw_scsiop_inquiry(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_inquiry() argument
1408 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_scsiop_inquiry()
1422 if (tw_dev->alignment_virtual_address[request_id] == NULL) { in tw_scsiop_inquiry()
1426 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_scsiop_inquiry()
1431 param_value = tw_dev->alignment_physical_address[request_id]; in tw_scsiop_inquiry()
1439 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_scsiop_inquiry()
1446 tw_post_command_packet(tw_dev, request_id); in tw_scsiop_inquiry()
1451 static void tw_transfer_internal(TW_Device_Extension *tw_dev, int request_id, in tw_transfer_internal() argument
1454 scsi_sg_copy_from_buffer(tw_dev->srb[request_id], data, len); in tw_transfer_internal()
1458 static int tw_scsiop_inquiry_complete(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_inquiry_complete() argument
1472 sprintf(&request_buffer[16], "Logical Disk %-2d ", tw_dev->srb[request_id]->device->id); in tw_scsiop_inquiry_complete()
1474 tw_transfer_internal(tw_dev, request_id, request_buffer, in tw_scsiop_inquiry_complete()
1477 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_scsiop_inquiry_complete()
1484 if (is_unit_present[tw_dev->srb[request_id]->device->id] & TW_UNIT_ONLINE) { in tw_scsiop_inquiry_complete()
1485 tw_dev->is_unit_present[tw_dev->srb[request_id]->device->id] = 1; in tw_scsiop_inquiry_complete()
1487 tw_dev->is_unit_present[tw_dev->srb[request_id]->device->id] = 0; in tw_scsiop_inquiry_complete()
1488 tw_dev->srb[request_id]->result = (DID_BAD_TARGET << 16); in tw_scsiop_inquiry_complete()
1496 static int tw_scsiop_mode_sense(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_mode_sense() argument
1506 if (tw_dev->srb[request_id]->cmnd[2] != 0x8) { in tw_scsiop_mode_sense()
1507 tw_dev->state[request_id] = TW_S_COMPLETED; in tw_scsiop_mode_sense()
1508 tw_state_request_finish(tw_dev, request_id); in tw_scsiop_mode_sense()
1509 tw_dev->srb[request_id]->result = (DID_OK << 16); in tw_scsiop_mode_sense()
1510 scsi_done(tw_dev->srb[request_id]); in tw_scsiop_mode_sense()
1515 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_scsiop_mode_sense()
1531 if (tw_dev->alignment_virtual_address[request_id] == NULL) { in tw_scsiop_mode_sense()
1536 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_scsiop_mode_sense()
1538 param->table_id = TW_UNIT_INFORMATION_TABLE_BASE + tw_dev->srb[request_id]->device->id; in tw_scsiop_mode_sense()
1541 param_value = tw_dev->alignment_physical_address[request_id]; in tw_scsiop_mode_sense()
1549 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_scsiop_mode_sense()
1556 tw_post_command_packet(tw_dev, request_id); in tw_scsiop_mode_sense()
1562 static int tw_scsiop_mode_sense_complete(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_mode_sense_complete() argument
1570 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_scsiop_mode_sense_complete()
1588 tw_transfer_internal(tw_dev, request_id, request_buffer, in tw_scsiop_mode_sense_complete()
1595 static int tw_scsiop_read_capacity(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_read_capacity() argument
1605 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_scsiop_read_capacity()
1615 command_packet->unit__hostid = TW_UNITHOST_IN(0, tw_dev->srb[request_id]->device->id); in tw_scsiop_read_capacity()
1621 if (tw_dev->alignment_virtual_address[request_id] == NULL) { in tw_scsiop_read_capacity()
1625 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_scsiop_read_capacity()
1628 tw_dev->srb[request_id]->device->id; in tw_scsiop_read_capacity()
1631 param_value = tw_dev->alignment_physical_address[request_id]; in tw_scsiop_read_capacity()
1639 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_scsiop_read_capacity()
1646 tw_post_command_packet(tw_dev, request_id); in tw_scsiop_read_capacity()
1652 static int tw_scsiop_read_capacity_complete(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_read_capacity_complete() argument
1662 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_scsiop_read_capacity_complete()
1689 tw_transfer_internal(tw_dev, request_id, buff, sizeof(buff)); in tw_scsiop_read_capacity_complete()
1695 static int tw_scsiop_read_write(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_read_write() argument
1706 srb = tw_dev->srb[request_id]; in tw_scsiop_read_write()
1715 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_scsiop_read_write()
1747 tw_dev->sector_count = num_sectors; in tw_scsiop_read_write()
1748 if (tw_dev->sector_count > tw_dev->max_sector_count) in tw_scsiop_read_write()
1749 tw_dev->max_sector_count = tw_dev->sector_count; in tw_scsiop_read_write()
1759 scsi_for_each_sg(tw_dev->srb[request_id], sg, use_sg, i) { in tw_scsiop_read_write()
1766 tw_dev->sgl_entries = scsi_sg_count(tw_dev->srb[request_id]); in tw_scsiop_read_write()
1767 if (tw_dev->sgl_entries > tw_dev->max_sgl_entries) in tw_scsiop_read_write()
1768 tw_dev->max_sgl_entries = tw_dev->sgl_entries; in tw_scsiop_read_write()
1770 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_scsiop_read_write()
1777 tw_post_command_packet(tw_dev, request_id); in tw_scsiop_read_write()
1783 static int tw_scsiop_request_sense(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_request_sense() argument
1793 tw_transfer_internal(tw_dev, request_id, request_buffer, in tw_scsiop_request_sense()
1796 tw_dev->state[request_id] = TW_S_COMPLETED; in tw_scsiop_request_sense()
1797 tw_state_request_finish(tw_dev, request_id); in tw_scsiop_request_sense()
1800 tw_dev->srb[request_id]->result = (DID_ERROR << 16); in tw_scsiop_request_sense()
1801 scsi_done(tw_dev->srb[request_id]); in tw_scsiop_request_sense()
1807 static int tw_scsiop_synchronize_cache(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_synchronize_cache() argument
1815 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_scsiop_synchronize_cache()
1826 command_packet->unit__hostid = TW_UNITHOST_IN(0, tw_dev->srb[request_id]->device->id); in tw_scsiop_synchronize_cache()
1830 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_scsiop_synchronize_cache()
1837 tw_post_command_packet(tw_dev, request_id); in tw_scsiop_synchronize_cache()
1843 static int tw_scsiop_test_unit_ready(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_test_unit_ready() argument
1853 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in tw_scsiop_test_unit_ready()
1867 if (tw_dev->alignment_virtual_address[request_id] == NULL) { in tw_scsiop_test_unit_ready()
1871 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_scsiop_test_unit_ready()
1876 param_value = tw_dev->alignment_physical_address[request_id]; in tw_scsiop_test_unit_ready()
1884 command_que_value = tw_dev->command_packet_physical_address[request_id]; in tw_scsiop_test_unit_ready()
1891 tw_post_command_packet(tw_dev, request_id); in tw_scsiop_test_unit_ready()
1897 static int tw_scsiop_test_unit_ready_complete(TW_Device_Extension *tw_dev, int request_id) in tw_scsiop_test_unit_ready_complete() argument
1904 param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; in tw_scsiop_test_unit_ready_complete()
1911 if (is_unit_present[tw_dev->srb[request_id]->device->id] & TW_UNIT_ONLINE) { in tw_scsiop_test_unit_ready_complete()
1912 tw_dev->is_unit_present[tw_dev->srb[request_id]->device->id] = 1; in tw_scsiop_test_unit_ready_complete()
1914 tw_dev->is_unit_present[tw_dev->srb[request_id]->device->id] = 0; in tw_scsiop_test_unit_ready_complete()
1915 tw_dev->srb[request_id]->result = (DID_BAD_TARGET << 16); in tw_scsiop_test_unit_ready_complete()
1929 TW_Device_Extension *tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata; in tw_scsi_queue_lck() local
1932 if (test_bit(TW_IN_RESET, &tw_dev->flags)) in tw_scsi_queue_lck()
1936 tw_state_request_start(tw_dev, &request_id); in tw_scsi_queue_lck()
1939 tw_dev->srb[request_id] = SCpnt; in tw_scsi_queue_lck()
1947 retval = tw_scsiop_read_write(tw_dev, request_id); in tw_scsi_queue_lck()
1951 retval = tw_scsiop_test_unit_ready(tw_dev, request_id); in tw_scsi_queue_lck()
1955 retval = tw_scsiop_inquiry(tw_dev, request_id); in tw_scsi_queue_lck()
1959 retval = tw_scsiop_read_capacity(tw_dev, request_id); in tw_scsi_queue_lck()
1963 retval = tw_scsiop_request_sense(tw_dev, request_id); in tw_scsi_queue_lck()
1967 retval = tw_scsiop_mode_sense(tw_dev, request_id); in tw_scsi_queue_lck()
1971 retval = tw_scsiop_synchronize_cache(tw_dev, request_id); in tw_scsi_queue_lck()
1977 …printk(KERN_NOTICE "3w-xxxx: scsi%d: Unknown scsi opcode: 0x%x\n", tw_dev->host->host_no, *command… in tw_scsi_queue_lck()
1978 tw_dev->state[request_id] = TW_S_COMPLETED; in tw_scsi_queue_lck()
1979 tw_state_request_finish(tw_dev, request_id); in tw_scsi_queue_lck()
1985 tw_dev->state[request_id] = TW_S_COMPLETED; in tw_scsi_queue_lck()
1986 tw_state_request_finish(tw_dev, request_id); in tw_scsi_queue_lck()
2001 TW_Device_Extension *tw_dev = (TW_Device_Extension *)dev_instance; in DEF_SCSI_QCMD() local
2008 spin_lock(tw_dev->host->host_lock); in DEF_SCSI_QCMD()
2011 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in DEF_SCSI_QCMD()
2020 if (test_bit(TW_IN_RESET, &tw_dev->flags)) in DEF_SCSI_QCMD()
2026 if (tw_decode_bits(tw_dev, status_reg_value, 1)) { in DEF_SCSI_QCMD()
2027 TW_CLEAR_ALL_INTERRUPTS(tw_dev); in DEF_SCSI_QCMD()
2035 TW_CLEAR_HOST_INTERRUPT(tw_dev); in DEF_SCSI_QCMD()
2041 TW_CLEAR_ATTENTION_INTERRUPT(tw_dev); in DEF_SCSI_QCMD()
2042 tw_state_request_start(tw_dev, &request_id); in DEF_SCSI_QCMD()
2043 error = tw_aen_read_queue(tw_dev, request_id); in DEF_SCSI_QCMD()
2045 printk(KERN_WARNING "3w-xxxx: scsi%d: Error reading aen queue.\n", tw_dev->host->host_no); in DEF_SCSI_QCMD()
2046 tw_dev->state[request_id] = TW_S_COMPLETED; in DEF_SCSI_QCMD()
2047 tw_state_request_finish(tw_dev, request_id); in DEF_SCSI_QCMD()
2054 while (tw_dev->pending_request_count > 0) { in DEF_SCSI_QCMD()
2055 request_id = tw_dev->pending_queue[tw_dev->pending_head]; in DEF_SCSI_QCMD()
2056 if (tw_dev->state[request_id] != TW_S_PENDING) { in DEF_SCSI_QCMD()
2057 …printk(KERN_WARNING "3w-xxxx: scsi%d: Found request id that wasn't pending.\n", tw_dev->host->host… in DEF_SCSI_QCMD()
2060 if (tw_post_command_packet(tw_dev, request_id)==0) { in DEF_SCSI_QCMD()
2061 if (tw_dev->pending_head == TW_Q_LENGTH-1) { in DEF_SCSI_QCMD()
2062 tw_dev->pending_head = TW_Q_START; in DEF_SCSI_QCMD()
2064 tw_dev->pending_head = tw_dev->pending_head + 1; in DEF_SCSI_QCMD()
2066 tw_dev->pending_request_count--; in DEF_SCSI_QCMD()
2073 if (tw_dev->pending_request_count == 0) in DEF_SCSI_QCMD()
2074 TW_MASK_COMMAND_INTERRUPT(tw_dev); in DEF_SCSI_QCMD()
2082 response_que.value = inl(TW_RESPONSE_QUEUE_REG_ADDR(tw_dev)); in DEF_SCSI_QCMD()
2084 command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id]; in DEF_SCSI_QCMD()
2090 if (tw_dev->srb[request_id] == NULL) { in DEF_SCSI_QCMD()
2091 tw_decode_sense(tw_dev, request_id, 0); in DEF_SCSI_QCMD()
2093 error = tw_decode_sense(tw_dev, request_id, 1); in DEF_SCSI_QCMD()
2098 if (tw_dev->state[request_id] != TW_S_POSTED) { in DEF_SCSI_QCMD()
2099 if (tw_dev->srb[request_id] != NULL) { in DEF_SCSI_QCMD()
2100 …printk(KERN_WARNING "3w-xxxx: scsi%d: Received a request id that wasn't posted.\n", tw_dev->host->… in DEF_SCSI_QCMD()
2108 if (tw_dev->srb[request_id] == NULL) { in DEF_SCSI_QCMD()
2111 if (request_id != tw_dev->chrdev_request_id) { in DEF_SCSI_QCMD()
2112 retval = tw_aen_complete(tw_dev, request_id); in DEF_SCSI_QCMD()
2114 printk(KERN_WARNING "3w-xxxx: scsi%d: Error completing aen.\n", tw_dev->host->host_no); in DEF_SCSI_QCMD()
2117 tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE; in DEF_SCSI_QCMD()
2118 wake_up(&tw_dev->ioctl_wqueue); in DEF_SCSI_QCMD()
2121 switch (tw_dev->srb[request_id]->cmnd[0]) { in DEF_SCSI_QCMD()
2132 error = tw_scsiop_test_unit_ready_complete(tw_dev, request_id); in DEF_SCSI_QCMD()
2136 error = tw_scsiop_inquiry_complete(tw_dev, request_id); in DEF_SCSI_QCMD()
2140 error = tw_scsiop_read_capacity_complete(tw_dev, request_id); in DEF_SCSI_QCMD()
2144 error = tw_scsiop_mode_sense_complete(tw_dev, request_id); in DEF_SCSI_QCMD()
2156 tw_dev->srb[request_id]->result = (DID_OK << 16); in DEF_SCSI_QCMD()
2162 tw_dev->srb[request_id]->result = (DID_OK << 16) | SAM_STAT_CHECK_CONDITION; in DEF_SCSI_QCMD()
2167 scsi_dma_unmap(tw_dev->srb[request_id]); in DEF_SCSI_QCMD()
2168 scsi_done(tw_dev->srb[request_id]); in DEF_SCSI_QCMD()
2169 tw_dev->state[request_id] = TW_S_COMPLETED; in DEF_SCSI_QCMD()
2170 tw_state_request_finish(tw_dev, request_id); in DEF_SCSI_QCMD()
2171 tw_dev->posted_request_count--; in DEF_SCSI_QCMD()
2176 status_reg_value = inl(TW_STATUS_REG_ADDR(tw_dev)); in DEF_SCSI_QCMD()
2179 if (tw_decode_bits(tw_dev, status_reg_value, 1)) { in DEF_SCSI_QCMD()
2180 TW_CLEAR_ALL_INTERRUPTS(tw_dev); in DEF_SCSI_QCMD()
2188 spin_unlock(tw_dev->host->host_lock); in DEF_SCSI_QCMD()
2193 static void __tw_shutdown(TW_Device_Extension *tw_dev) in __tw_shutdown() argument
2196 TW_DISABLE_INTERRUPTS(tw_dev); in __tw_shutdown()
2199 free_irq(tw_dev->tw_pci_dev->irq, tw_dev); in __tw_shutdown()
2201 printk(KERN_WARNING "3w-xxxx: Shutting down host %d.\n", tw_dev->host->host_no); in __tw_shutdown()
2204 if (tw_initconnection(tw_dev, 1)) { in __tw_shutdown()
2211 TW_ENABLE_AND_CLEAR_INTERRUPTS(tw_dev); in __tw_shutdown()
2218 TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata; in tw_shutdown() local
2220 __tw_shutdown(tw_dev); in tw_shutdown()
2254 TW_Device_Extension *tw_dev; in tw_probe() local
2277 tw_dev = (TW_Device_Extension *)host->hostdata; in tw_probe()
2280 tw_dev->host = host; in tw_probe()
2281 tw_dev->tw_pci_dev = pdev; in tw_probe()
2283 if (tw_initialize_device_extension(tw_dev)) { in tw_probe()
2297 tw_dev->base_addr = pci_resource_start(pdev, 0); in tw_probe()
2298 if (!tw_dev->base_addr) { in tw_probe()
2305 TW_DISABLE_INTERRUPTS(tw_dev); in tw_probe()
2308 if (tw_reset_sequence(tw_dev)) in tw_probe()
2328 …d: Found a 3ware Storage Controller at 0x%x, IRQ: %d.\n", host->host_no, tw_dev->base_addr, pdev->… in tw_probe()
2331 retval = request_irq(pdev->irq, tw_interrupt, IRQF_SHARED, "3w-xxxx", tw_dev); in tw_probe()
2337 tw_device_extension_list[tw_device_extension_count] = tw_dev; in tw_probe()
2341 TW_ENABLE_AND_CLEAR_INTERRUPTS(tw_dev); in tw_probe()
2357 tw_free_device_extension(tw_dev); in tw_probe()
2369 TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata; in tw_remove() local
2371 scsi_remove_host(tw_dev->host); in tw_remove()
2380 __tw_shutdown(tw_dev); in tw_remove()
2386 tw_free_device_extension(tw_dev); in tw_remove()
2388 scsi_host_put(tw_dev->host); in tw_remove()