Lines Matching refs:tw_dev
93 static int twl_reset_device_extension(TW_Device_Extension *tw_dev, int ioctl_reset);
104 TW_Device_Extension *tw_dev = (TW_Device_Extension *)shost->hostdata; in twl_sysfs_aen_read() local
111 spin_lock_irqsave(tw_dev->host->host_lock, flags); in twl_sysfs_aen_read()
112 …ret = memory_read_from_buffer(outbuf, count, &offset, tw_dev->event_queue[0], sizeof(TW_Event) * T… in twl_sysfs_aen_read()
113 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in twl_sysfs_aen_read()
135 TW_Device_Extension *tw_dev = (TW_Device_Extension *)shost->hostdata; in twl_sysfs_compat_info() local
142 spin_lock_irqsave(tw_dev->host->host_lock, flags); in twl_sysfs_compat_info()
143 …ret = memory_read_from_buffer(outbuf, count, &offset, &tw_dev->tw_compat_info, sizeof(TW_Compatibi… in twl_sysfs_compat_info()
144 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in twl_sysfs_compat_info()
164 TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata; in twl_show_stats() local
168 spin_lock_irqsave(tw_dev->host->host_lock, flags); in twl_show_stats()
179 tw_dev->posted_request_count, in twl_show_stats()
180 tw_dev->max_posted_request_count, in twl_show_stats()
181 tw_dev->sgl_entries, in twl_show_stats()
182 tw_dev->max_sgl_entries, in twl_show_stats()
183 tw_dev->sector_count, in twl_show_stats()
184 tw_dev->max_sector_count, in twl_show_stats()
185 tw_dev->num_resets, in twl_show_stats()
186 tw_dev->aen_count); in twl_show_stats()
187 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in twl_show_stats()
221 static void twl_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_Header *header) in twl_aen_queue_event() argument
229 tw_dev->aen_count++; in twl_aen_queue_event()
232 event = tw_dev->event_queue[tw_dev->error_index]; in twl_aen_queue_event()
235 if (tw_dev->host) in twl_aen_queue_event()
236 sprintf(host, " scsi%d:", tw_dev->host->host_no); in twl_aen_queue_event()
247 event->sequence_id = tw_dev->error_sequence_id; in twl_aen_queue_event()
248 tw_dev->error_sequence_id++; in twl_aen_queue_event()
263 tw_dev->aen_count--; in twl_aen_queue_event()
265 tw_dev->error_index = (tw_dev->error_index + 1 ) % TW_Q_LENGTH; in twl_aen_queue_event()
269 static int twl_post_command_packet(TW_Device_Extension *tw_dev, int request_id) in twl_post_command_packet() argument
273 command_que_value = tw_dev->command_packet_phys[request_id]; in twl_post_command_packet()
277 writel((u32)((u64)command_que_value >> 32), TWL_HIBQPH_REG_ADDR(tw_dev)); in twl_post_command_packet()
279 writel((u32)(command_que_value | TWL_PULL_MODE), TWL_HIBQPL_REG_ADDR(tw_dev)); in twl_post_command_packet()
281 tw_dev->state[request_id] = TW_S_POSTED; in twl_post_command_packet()
282 tw_dev->posted_request_count++; in twl_post_command_packet()
283 if (tw_dev->posted_request_count > tw_dev->max_posted_request_count) in twl_post_command_packet()
284 tw_dev->max_posted_request_count = tw_dev->posted_request_count; in twl_post_command_packet()
290 static int twl_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id, in twl_scsiop_execute_scsi() argument
301 if (tw_dev->srb[request_id]) { in twl_scsiop_execute_scsi()
302 srb = tw_dev->srb[request_id]; in twl_scsiop_execute_scsi()
308 full_command_packet = tw_dev->command_packet_virt[request_id]; in twl_scsiop_execute_scsi()
346 …_lunh = cpu_to_le16(TW_REQ_LUN_IN((srb->device->lun >> 4), scsi_sg_count(tw_dev->srb[request_id]))… in twl_scsiop_execute_scsi()
359 tw_dev->sector_count = scsi_bufflen(srb) / 512; in twl_scsiop_execute_scsi()
360 if (tw_dev->sector_count > tw_dev->max_sector_count) in twl_scsiop_execute_scsi()
361 tw_dev->max_sector_count = tw_dev->sector_count; in twl_scsiop_execute_scsi()
362 tw_dev->sgl_entries = scsi_sg_count(srb); in twl_scsiop_execute_scsi()
363 if (tw_dev->sgl_entries > tw_dev->max_sgl_entries) in twl_scsiop_execute_scsi()
364 tw_dev->max_sgl_entries = tw_dev->sgl_entries; in twl_scsiop_execute_scsi()
368 retval = twl_post_command_packet(tw_dev, request_id); in twl_scsiop_execute_scsi()
375 static int twl_aen_read_queue(TW_Device_Extension *tw_dev, int request_id) in twl_aen_read_queue() argument
382 full_command_packet = tw_dev->command_packet_virt[request_id]; in twl_aen_read_queue()
393 sglist[0].address = tw_dev->generic_buffer_phys[request_id]; in twl_aen_read_queue()
396 tw_dev->srb[request_id] = NULL; in twl_aen_read_queue()
399 if (twl_scsiop_execute_scsi(tw_dev, request_id, cdb, 1, sglist)) { in twl_aen_read_queue()
400 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x2, "Post failed while reading AEN queue"); in twl_aen_read_queue()
409 static void twl_aen_sync_time(TW_Device_Extension *tw_dev, int request_id) in twl_aen_sync_time() argument
418 full_command_packet = tw_dev->command_packet_virt[request_id]; in twl_aen_sync_time()
423 …command_packet->byte8_offset.param.sgl[0].address = TW_CPU_TO_SGL(tw_dev->generic_buffer_phys[requ… in twl_aen_sync_time()
429 param = (TW_Param_Apache *)tw_dev->generic_buffer_virt[request_id]; in twl_aen_sync_time()
444 tw_dev->srb[request_id] = NULL; in twl_aen_sync_time()
447 twl_post_command_packet(tw_dev, request_id); in twl_aen_sync_time()
451 static void twl_get_request_id(TW_Device_Extension *tw_dev, int *request_id) in twl_get_request_id() argument
453 *request_id = tw_dev->free_queue[tw_dev->free_head]; in twl_get_request_id()
454 tw_dev->free_head = (tw_dev->free_head + 1) % TW_Q_LENGTH; in twl_get_request_id()
455 tw_dev->state[*request_id] = TW_S_STARTED; in twl_get_request_id()
459 static void twl_free_request_id(TW_Device_Extension *tw_dev, int request_id) in twl_free_request_id() argument
461 tw_dev->free_queue[tw_dev->free_tail] = request_id; in twl_free_request_id()
462 tw_dev->state[request_id] = TW_S_FINISHED; in twl_free_request_id()
463 tw_dev->free_tail = (tw_dev->free_tail + 1) % TW_Q_LENGTH; in twl_free_request_id()
467 static int twl_aen_complete(TW_Device_Extension *tw_dev, int request_id) in twl_aen_complete() argument
475 header = (TW_Command_Apache_Header *)tw_dev->generic_buffer_virt[request_id]; in twl_aen_complete()
476 tw_dev->posted_request_count--; in twl_aen_complete()
478 full_command_packet = tw_dev->command_packet_virt[request_id]; in twl_aen_complete()
484 if (twl_aen_read_queue(tw_dev, request_id)) in twl_aen_complete()
497 twl_aen_sync_time(tw_dev, request_id); in twl_aen_complete()
501 twl_aen_queue_event(tw_dev, header); in twl_aen_complete()
504 if (twl_aen_read_queue(tw_dev, request_id)) in twl_aen_complete()
513 tw_dev->state[request_id] = TW_S_COMPLETED; in twl_aen_complete()
514 twl_free_request_id(tw_dev, request_id); in twl_aen_complete()
515 clear_bit(TW_IN_ATTENTION_LOOP, &tw_dev->flags); in twl_aen_complete()
521 static int twl_poll_response(TW_Device_Extension *tw_dev, int request_id, int seconds) in twl_poll_response() argument
534 regh = readl(TWL_HOBQPH_REG_ADDR(tw_dev)); in twl_poll_response()
535 regl = readl(TWL_HOBQPL_REG_ADDR(tw_dev)); in twl_poll_response()
538 mfa = readl(TWL_HOBQPL_REG_ADDR(tw_dev)); in twl_poll_response()
556 static int twl_aen_drain_queue(TW_Device_Extension *tw_dev, int no_check_reset) in twl_aen_drain_queue() argument
572 full_command_packet = tw_dev->command_packet_virt[request_id]; in twl_aen_drain_queue()
583 sglist[0].address = tw_dev->generic_buffer_phys[request_id]; in twl_aen_drain_queue()
586 tw_dev->srb[request_id] = NULL; in twl_aen_drain_queue()
590 if (twl_scsiop_execute_scsi(tw_dev, request_id, cdb, 1, sglist)) { in twl_aen_drain_queue()
591 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x3, "Error posting request sense"); in twl_aen_drain_queue()
596 if (twl_poll_response(tw_dev, request_id, 30)) { in twl_aen_drain_queue()
597 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x4, "No valid response while draining AEN queue"); in twl_aen_drain_queue()
598 tw_dev->posted_request_count--; in twl_aen_drain_queue()
602 tw_dev->posted_request_count--; in twl_aen_drain_queue()
603 header = (TW_Command_Apache_Header *)tw_dev->generic_buffer_virt[request_id]; in twl_aen_drain_queue()
629 twl_aen_queue_event(tw_dev, header); in twl_aen_drain_queue()
637 tw_dev->state[request_id] = TW_S_INITIAL; in twl_aen_drain_queue()
642 static int twl_allocate_memory(TW_Device_Extension *tw_dev, int size, int which) in twl_allocate_memory() argument
649 cpu_addr = dma_alloc_coherent(&tw_dev->tw_pci_dev->dev, in twl_allocate_memory()
653 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x5, "Memory allocation failed"); in twl_allocate_memory()
660 tw_dev->command_packet_phys[i] = dma_handle+(i*size); in twl_allocate_memory()
661 tw_dev->command_packet_virt[i] = (TW_Command_Full *)((unsigned char *)cpu_addr + (i*size)); in twl_allocate_memory()
664 tw_dev->generic_buffer_phys[i] = dma_handle+(i*size); in twl_allocate_memory()
665 tw_dev->generic_buffer_virt[i] = (unsigned long *)((unsigned char *)cpu_addr + (i*size)); in twl_allocate_memory()
668 tw_dev->sense_buffer_phys[i] = dma_handle+(i*size); in twl_allocate_memory()
669 … tw_dev->sense_buffer_virt[i] = (TW_Command_Apache_Header *)((unsigned char *)cpu_addr + (i*size)); in twl_allocate_memory()
679 static void twl_load_sgl(TW_Device_Extension *tw_dev, TW_Command_Full *full_command_packet, int req… in twl_load_sgl() argument
726 TW_Device_Extension *tw_dev = twl_device_extension_list[iminor(inode)]; in twl_chrdev_ioctl() local
733 if (mutex_lock_interruptible(&tw_dev->ioctl_lock)) { in twl_chrdev_ioctl()
752 …cpu_addr = dma_alloc_coherent(&tw_dev->tw_pci_dev->dev, data_buffer_length_adjusted+sizeof(TW_Ioct… in twl_chrdev_ioctl()
767 spin_lock_irqsave(tw_dev->host->host_lock, flags); in twl_chrdev_ioctl()
768 twl_get_request_id(tw_dev, &request_id); in twl_chrdev_ioctl()
771 tw_dev->srb[request_id] = NULL; in twl_chrdev_ioctl()
774 tw_dev->chrdev_request_id = request_id; in twl_chrdev_ioctl()
779 twl_load_sgl(tw_dev, full_command_packet, request_id, dma_handle, data_buffer_length_adjusted); in twl_chrdev_ioctl()
781 …memcpy(tw_dev->command_packet_virt[request_id], &(tw_ioctl->firmware_command), sizeof(TW_Command_F… in twl_chrdev_ioctl()
784 twl_post_command_packet(tw_dev, request_id); in twl_chrdev_ioctl()
785 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in twl_chrdev_ioctl()
790 …timeout = wait_event_timeout(tw_dev->ioctl_wqueue, tw_dev->chrdev_request_id == TW_IOCTL_CHRDEV_FR… in twl_chrdev_ioctl()
793 if (tw_dev->chrdev_request_id != TW_IOCTL_CHRDEV_FREE) { in twl_chrdev_ioctl()
796 tw_dev->host->host_no, TW_DRIVER, 0x6, in twl_chrdev_ioctl()
799 twl_reset_device_extension(tw_dev, 1); in twl_chrdev_ioctl()
804 …memcpy(&(tw_ioctl->firmware_command), tw_dev->command_packet_virt[request_id], sizeof(TW_Command_F… in twl_chrdev_ioctl()
807 spin_lock_irqsave(tw_dev->host->host_lock, flags); in twl_chrdev_ioctl()
808 tw_dev->posted_request_count--; in twl_chrdev_ioctl()
809 tw_dev->state[request_id] = TW_S_COMPLETED; in twl_chrdev_ioctl()
810 twl_free_request_id(tw_dev, request_id); in twl_chrdev_ioctl()
811 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in twl_chrdev_ioctl()
823 …dma_free_coherent(&tw_dev->tw_pci_dev->dev, data_buffer_length_adjusted+sizeof(TW_Ioctl_Buf_Apache… in twl_chrdev_ioctl()
825 mutex_unlock(&tw_dev->ioctl_lock); in twl_chrdev_ioctl()
860 static int twl_fill_sense(TW_Device_Extension *tw_dev, int i, int request_id, int copy_sense, int p… in twl_fill_sense() argument
868 header = tw_dev->sense_buffer_virt[i]; in twl_fill_sense()
869 full_command_packet = tw_dev->command_packet_virt[request_id]; in twl_fill_sense()
879 tw_dev->host->host_no, in twl_fill_sense()
893 memcpy(tw_dev->srb[request_id]->sense_buffer, header->sense_data, TW_SENSE_DATA_LENGTH); in twl_fill_sense()
894 tw_dev->srb[request_id]->result = (full_command_packet->command.newcommand.status << 1); in twl_fill_sense()
902 static void twl_free_device_extension(TW_Device_Extension *tw_dev) in twl_free_device_extension() argument
904 if (tw_dev->command_packet_virt[0]) in twl_free_device_extension()
905 dma_free_coherent(&tw_dev->tw_pci_dev->dev, in twl_free_device_extension()
907 tw_dev->command_packet_virt[0], in twl_free_device_extension()
908 tw_dev->command_packet_phys[0]); in twl_free_device_extension()
910 if (tw_dev->generic_buffer_virt[0]) in twl_free_device_extension()
911 dma_free_coherent(&tw_dev->tw_pci_dev->dev, in twl_free_device_extension()
913 tw_dev->generic_buffer_virt[0], in twl_free_device_extension()
914 tw_dev->generic_buffer_phys[0]); in twl_free_device_extension()
916 if (tw_dev->sense_buffer_virt[0]) in twl_free_device_extension()
917 dma_free_coherent(&tw_dev->tw_pci_dev->dev, in twl_free_device_extension()
920 tw_dev->sense_buffer_virt[0], in twl_free_device_extension()
921 tw_dev->sense_buffer_phys[0]); in twl_free_device_extension()
923 kfree(tw_dev->event_queue[0]); in twl_free_device_extension()
927 static void *twl_get_param(TW_Device_Extension *tw_dev, int request_id, int table_id, int parameter… in twl_get_param() argument
935 full_command_packet = tw_dev->command_packet_virt[request_id]; in twl_get_param()
945 param = (TW_Param_Apache *)tw_dev->generic_buffer_virt[request_id]; in twl_get_param()
951 …command_packet->byte8_offset.param.sgl[0].address = TW_CPU_TO_SGL(tw_dev->generic_buffer_phys[requ… in twl_get_param()
955 twl_post_command_packet(tw_dev, request_id); in twl_get_param()
958 if (twl_poll_response(tw_dev, request_id, 30)) in twl_get_param()
959 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x7, "No valid response during get param") in twl_get_param()
963 tw_dev->posted_request_count--; in twl_get_param()
964 tw_dev->state[request_id] = TW_S_INITIAL; in twl_get_param()
970 static int twl_initconnection(TW_Device_Extension *tw_dev, int message_credits, in twl_initconnection() argument
986 full_command_packet = tw_dev->command_packet_virt[request_id]; in twl_initconnection()
1011 twl_post_command_packet(tw_dev, request_id); in twl_initconnection()
1014 if (twl_poll_response(tw_dev, request_id, 30)) { in twl_initconnection()
1015 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x8, "No valid response during init connection"); in twl_initconnection()
1027 tw_dev->posted_request_count--; in twl_initconnection()
1028 tw_dev->state[request_id] = TW_S_INITIAL; in twl_initconnection()
1034 static int twl_initialize_device_extension(TW_Device_Extension *tw_dev) in twl_initialize_device_extension() argument
1039 if (twl_allocate_memory(tw_dev, sizeof(TW_Command_Full), 0)) { in twl_initialize_device_extension()
1040 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x9, "Command packet memory allocation failed"); in twl_initialize_device_extension()
1045 if (twl_allocate_memory(tw_dev, TW_SECTOR_SIZE, 1)) { in twl_initialize_device_extension()
1046 TW_PRINTK(tw_dev->host, TW_DRIVER, 0xa, "Generic memory allocation failed"); in twl_initialize_device_extension()
1051 if (twl_allocate_memory(tw_dev, sizeof(TW_Command_Apache_Header), 2)) { in twl_initialize_device_extension()
1052 TW_PRINTK(tw_dev->host, TW_DRIVER, 0xb, "Sense buffer allocation failed"); in twl_initialize_device_extension()
1057 tw_dev->event_queue[0] = kcalloc(TW_Q_LENGTH, sizeof(TW_Event), GFP_KERNEL); in twl_initialize_device_extension()
1058 if (!tw_dev->event_queue[0]) { in twl_initialize_device_extension()
1059 TW_PRINTK(tw_dev->host, TW_DRIVER, 0xc, "Event info memory allocation failed"); in twl_initialize_device_extension()
1064 …tw_dev->event_queue[i] = (TW_Event *)((unsigned char *)tw_dev->event_queue[0] + (i * sizeof(TW_Eve… in twl_initialize_device_extension()
1065 tw_dev->free_queue[i] = i; in twl_initialize_device_extension()
1066 tw_dev->state[i] = TW_S_INITIAL; in twl_initialize_device_extension()
1069 tw_dev->free_head = TW_Q_START; in twl_initialize_device_extension()
1070 tw_dev->free_tail = TW_Q_START; in twl_initialize_device_extension()
1071 tw_dev->error_sequence_id = 1; in twl_initialize_device_extension()
1072 tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE; in twl_initialize_device_extension()
1074 mutex_init(&tw_dev->ioctl_lock); in twl_initialize_device_extension()
1075 init_waitqueue_head(&tw_dev->ioctl_wqueue); in twl_initialize_device_extension()
1083 static int twl_handle_attention_interrupt(TW_Device_Extension *tw_dev) in twl_handle_attention_interrupt() argument
1089 doorbell = readl(TWL_HOBDB_REG_ADDR(tw_dev)); in twl_handle_attention_interrupt()
1093 TW_PRINTK(tw_dev->host, TW_DRIVER, 0xd, "Microcontroller Error: clearing"); in twl_handle_attention_interrupt()
1099 if (!(test_and_set_bit(TW_IN_ATTENTION_LOOP, &tw_dev->flags))) { in twl_handle_attention_interrupt()
1100 twl_get_request_id(tw_dev, &request_id); in twl_handle_attention_interrupt()
1101 if (twl_aen_read_queue(tw_dev, request_id)) { in twl_handle_attention_interrupt()
1102 tw_dev->state[request_id] = TW_S_COMPLETED; in twl_handle_attention_interrupt()
1103 twl_free_request_id(tw_dev, request_id); in twl_handle_attention_interrupt()
1104 clear_bit(TW_IN_ATTENTION_LOOP, &tw_dev->flags); in twl_handle_attention_interrupt()
1112 TWL_CLEAR_DB_INTERRUPT(tw_dev); in twl_handle_attention_interrupt()
1115 readl(TWL_HOBDBC_REG_ADDR(tw_dev)); in twl_handle_attention_interrupt()
1123 TW_Device_Extension *tw_dev = (TW_Device_Extension *)dev_instance; in twl_interrupt() local
1130 spin_lock(tw_dev->host->host_lock); in twl_interrupt()
1133 reg = readl(TWL_HISTAT_REG_ADDR(tw_dev)); in twl_interrupt()
1142 if (test_bit(TW_IN_RESET, &tw_dev->flags)) in twl_interrupt()
1147 if (twl_handle_attention_interrupt(tw_dev)) { in twl_interrupt()
1148 TWL_MASK_INTERRUPTS(tw_dev); in twl_interrupt()
1156 regh = readl(TWL_HOBQPH_REG_ADDR(tw_dev)); in twl_interrupt()
1157 regl = readl(TWL_HOBQPL_REG_ADDR(tw_dev)); in twl_interrupt()
1160 mfa = readl(TWL_HOBQPL_REG_ADDR(tw_dev)); in twl_interrupt()
1168 if (tw_dev->sense_buffer_phys[i] == mfa) { in twl_interrupt()
1169 request_id = le16_to_cpu(tw_dev->sense_buffer_virt[i]->header_desc.request_id); in twl_interrupt()
1170 if (tw_dev->srb[request_id] != NULL) in twl_interrupt()
1171 error = twl_fill_sense(tw_dev, i, request_id, 1, 1); in twl_interrupt()
1174 if (request_id != tw_dev->chrdev_request_id) in twl_interrupt()
1175 error = twl_fill_sense(tw_dev, i, request_id, 0, 1); in twl_interrupt()
1177 …memcpy(tw_dev->command_packet_virt[request_id], tw_dev->sense_buffer_virt[i], sizeof(TW_Command_Ap… in twl_interrupt()
1181 writel((u32)((u64)tw_dev->sense_buffer_phys[i] >> 32), TWL_HOBQPH_REG_ADDR(tw_dev)); in twl_interrupt()
1182 writel((u32)tw_dev->sense_buffer_phys[i], TWL_HOBQPL_REG_ADDR(tw_dev)); in twl_interrupt()
1189 full_command_packet = tw_dev->command_packet_virt[request_id]; in twl_interrupt()
1192 if (tw_dev->state[request_id] != TW_S_POSTED) { in twl_interrupt()
1193 if (tw_dev->srb[request_id] != NULL) { in twl_interrupt()
1194 TW_PRINTK(tw_dev->host, TW_DRIVER, 0xe, "Received a request id that wasn't posted"); in twl_interrupt()
1195 TWL_MASK_INTERRUPTS(tw_dev); in twl_interrupt()
1201 if (tw_dev->srb[request_id] == NULL) { in twl_interrupt()
1202 if (request_id != tw_dev->chrdev_request_id) { in twl_interrupt()
1203 if (twl_aen_complete(tw_dev, request_id)) in twl_interrupt()
1204 TW_PRINTK(tw_dev->host, TW_DRIVER, 0xf, "Error completing AEN during attention interrupt"); in twl_interrupt()
1206 tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE; in twl_interrupt()
1207 wake_up(&tw_dev->ioctl_wqueue); in twl_interrupt()
1210 cmd = tw_dev->srb[request_id]; in twl_interrupt()
1217 …if (full_command_packet->command.newcommand.sg_list[0].length < scsi_bufflen(tw_dev->srb[request_i… in twl_interrupt()
1224 tw_dev->state[request_id] = TW_S_COMPLETED; in twl_interrupt()
1225 twl_free_request_id(tw_dev, request_id); in twl_interrupt()
1226 tw_dev->posted_request_count--; in twl_interrupt()
1230 reg = readl(TWL_HISTAT_REG_ADDR(tw_dev)); in twl_interrupt()
1234 spin_unlock(tw_dev->host->host_lock); in twl_interrupt()
1239 static int twl_poll_register(TW_Device_Extension *tw_dev, void *reg, u32 value, u32 result, int sec… in twl_poll_register() argument
1260 static int twl_reset_sequence(TW_Device_Extension *tw_dev, int soft_reset) in twl_reset_sequence() argument
1274 TWL_SOFT_RESET(tw_dev); in twl_reset_sequence()
1277 if (twl_poll_register(tw_dev, TWL_SCRPD3_REG_ADDR(tw_dev), TWL_CONTROLLER_READY, 0x0, 30)) { in twl_reset_sequence()
1278 … TW_PRINTK(tw_dev->host, TW_DRIVER, 0x10, "Controller never went non-ready during reset sequence"); in twl_reset_sequence()
1282 …if (twl_poll_register(tw_dev, TWL_SCRPD3_REG_ADDR(tw_dev), TWL_CONTROLLER_READY, TWL_CONTROLLER_RE… in twl_reset_sequence()
1283 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x11, "Controller not ready during reset sequence"); in twl_reset_sequence()
1290 if (twl_initconnection(tw_dev, TW_INIT_MESSAGE_CREDITS, in twl_reset_sequence()
1296 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x12, "Initconnection failed while checking SRL"); in twl_reset_sequence()
1304 writel((u32)((u64)tw_dev->sense_buffer_phys[i] >> 32), TWL_HOBQPH_REG_ADDR(tw_dev)); in twl_reset_sequence()
1305 writel((u32)tw_dev->sense_buffer_phys[i], TWL_HOBQPL_REG_ADDR(tw_dev)); in twl_reset_sequence()
1308 status = readl(TWL_STATUS_REG_ADDR(tw_dev)); in twl_reset_sequence()
1314 status = readl(TWL_STATUS_REG_ADDR(tw_dev)); in twl_reset_sequence()
1316 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x13, "Bad controller status after loading sense buffers"); in twl_reset_sequence()
1323 if (twl_aen_drain_queue(tw_dev, soft_reset)) { in twl_reset_sequence()
1324 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x14, "AEN drain failed during reset sequence"); in twl_reset_sequence()
1331 strncpy(tw_dev->tw_compat_info.driver_version, TW_DRIVER_VERSION, strlen(TW_DRIVER_VERSION)); in twl_reset_sequence()
1332 tw_dev->tw_compat_info.driver_srl_high = TW_CURRENT_DRIVER_SRL; in twl_reset_sequence()
1333 tw_dev->tw_compat_info.driver_branch_high = TW_CURRENT_DRIVER_BRANCH; in twl_reset_sequence()
1334 tw_dev->tw_compat_info.driver_build_high = TW_CURRENT_DRIVER_BUILD; in twl_reset_sequence()
1335 tw_dev->tw_compat_info.driver_srl_low = TW_BASE_FW_SRL; in twl_reset_sequence()
1336 tw_dev->tw_compat_info.driver_branch_low = TW_BASE_FW_BRANCH; in twl_reset_sequence()
1337 tw_dev->tw_compat_info.driver_build_low = TW_BASE_FW_BUILD; in twl_reset_sequence()
1338 tw_dev->tw_compat_info.fw_on_ctlr_srl = fw_on_ctlr_srl; in twl_reset_sequence()
1339 tw_dev->tw_compat_info.fw_on_ctlr_branch = fw_on_ctlr_branch; in twl_reset_sequence()
1340 tw_dev->tw_compat_info.fw_on_ctlr_build = fw_on_ctlr_build; in twl_reset_sequence()
1351 static int twl_reset_device_extension(TW_Device_Extension *tw_dev, int ioctl_reset) in twl_reset_device_extension() argument
1358 scsi_block_requests(tw_dev->host); in twl_reset_device_extension()
1360 set_bit(TW_IN_RESET, &tw_dev->flags); in twl_reset_device_extension()
1361 TWL_MASK_INTERRUPTS(tw_dev); in twl_reset_device_extension()
1362 TWL_CLEAR_DB_INTERRUPT(tw_dev); in twl_reset_device_extension()
1364 spin_lock_irqsave(tw_dev->host->host_lock, flags); in twl_reset_device_extension()
1368 if ((tw_dev->state[i] != TW_S_FINISHED) && in twl_reset_device_extension()
1369 (tw_dev->state[i] != TW_S_INITIAL) && in twl_reset_device_extension()
1370 (tw_dev->state[i] != TW_S_COMPLETED)) { in twl_reset_device_extension()
1371 struct scsi_cmnd *cmd = tw_dev->srb[i]; in twl_reset_device_extension()
1383 tw_dev->free_queue[i] = i; in twl_reset_device_extension()
1384 tw_dev->state[i] = TW_S_INITIAL; in twl_reset_device_extension()
1386 tw_dev->free_head = TW_Q_START; in twl_reset_device_extension()
1387 tw_dev->free_tail = TW_Q_START; in twl_reset_device_extension()
1388 tw_dev->posted_request_count = 0; in twl_reset_device_extension()
1390 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in twl_reset_device_extension()
1392 if (twl_reset_sequence(tw_dev, 1)) in twl_reset_device_extension()
1395 TWL_UNMASK_INTERRUPTS(tw_dev); in twl_reset_device_extension()
1397 clear_bit(TW_IN_RESET, &tw_dev->flags); in twl_reset_device_extension()
1398 tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE; in twl_reset_device_extension()
1403 scsi_unblock_requests(tw_dev->host); in twl_reset_device_extension()
1411 TW_Device_Extension *tw_dev; in twl_scsi_biosparam() local
1413 tw_dev = (TW_Device_Extension *)sdev->host->hostdata; in twl_scsi_biosparam()
1433 TW_Device_Extension *tw_dev = NULL; in twl_scsi_eh_reset() local
1436 tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata; in twl_scsi_eh_reset()
1438 tw_dev->num_resets++; in twl_scsi_eh_reset()
1445 mutex_lock(&tw_dev->ioctl_lock); in twl_scsi_eh_reset()
1448 if (twl_reset_device_extension(tw_dev, 0)) { in twl_scsi_eh_reset()
1449 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x15, "Controller reset failed during scsi host reset"); in twl_scsi_eh_reset()
1455 mutex_unlock(&tw_dev->ioctl_lock); in twl_scsi_eh_reset()
1463 TW_Device_Extension *tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata; in twl_scsi_queue_lck() local
1466 if (test_bit(TW_IN_RESET, &tw_dev->flags)) { in twl_scsi_queue_lck()
1475 twl_get_request_id(tw_dev, &request_id); in twl_scsi_queue_lck()
1478 tw_dev->srb[request_id] = SCpnt; in twl_scsi_queue_lck()
1480 retval = twl_scsiop_execute_scsi(tw_dev, request_id, NULL, 0, NULL); in twl_scsi_queue_lck()
1482 tw_dev->state[request_id] = TW_S_COMPLETED; in twl_scsi_queue_lck()
1483 twl_free_request_id(tw_dev, request_id); in twl_scsi_queue_lck()
1495 static void __twl_shutdown(TW_Device_Extension *tw_dev) in DEF_SCSI_QCMD()
1498 TWL_MASK_INTERRUPTS(tw_dev); in DEF_SCSI_QCMD()
1501 free_irq(tw_dev->tw_pci_dev->irq, tw_dev); in DEF_SCSI_QCMD()
1503 printk(KERN_WARNING "3w-sas: Shutting down host %d.\n", tw_dev->host->host_no); in DEF_SCSI_QCMD()
1506 if (twl_initconnection(tw_dev, 1, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL)) { in DEF_SCSI_QCMD()
1507 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x16, "Connection shutdown failed"); in DEF_SCSI_QCMD()
1513 TWL_CLEAR_DB_INTERRUPT(tw_dev); in DEF_SCSI_QCMD()
1520 TW_Device_Extension *tw_dev; in twl_shutdown() local
1525 tw_dev = (TW_Device_Extension *)host->hostdata; in twl_shutdown()
1527 if (tw_dev->online) in twl_shutdown()
1528 __twl_shutdown(tw_dev); in twl_shutdown()
1563 TW_Device_Extension *tw_dev; in twl_probe() local
1591 tw_dev = shost_priv(host); in twl_probe()
1594 tw_dev->host = host; in twl_probe()
1595 tw_dev->tw_pci_dev = pdev; in twl_probe()
1597 if (twl_initialize_device_extension(tw_dev)) { in twl_probe()
1598 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1a, "Failed to initialize device extension"); in twl_probe()
1606 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1b, "Failed to get mem region"); in twl_probe()
1611 tw_dev->base_addr = pci_iomap(pdev, 1, 0); in twl_probe()
1612 if (!tw_dev->base_addr) { in twl_probe()
1613 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1c, "Failed to ioremap"); in twl_probe()
1619 TWL_MASK_INTERRUPTS(tw_dev); in twl_probe()
1622 if (twl_reset_sequence(tw_dev, 0)) { in twl_probe()
1623 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1d, "Controller reset failed during probe"); in twl_probe()
1637 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1e, "scsi add host failed"); in twl_probe()
1645 (char *)twl_get_param(tw_dev, 1, TW_VERSION_TABLE, in twl_probe()
1649 ptr_phycount = twl_get_param(tw_dev, 2, TW_PARAM_PHY_SUMMARY_TABLE, in twl_probe()
1656 (char *)twl_get_param(tw_dev, 1, TW_VERSION_TABLE, in twl_probe()
1658 (char *)twl_get_param(tw_dev, 2, TW_VERSION_TABLE, in twl_probe()
1664 set_bit(TW_USING_MSI, &tw_dev->flags); in twl_probe()
1667 retval = request_irq(pdev->irq, twl_interrupt, IRQF_SHARED, "3w-sas", tw_dev); in twl_probe()
1669 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1f, "Error requesting IRQ"); in twl_probe()
1673 twl_device_extension_list[twl_device_extension_count] = tw_dev; in twl_probe()
1677 TWL_UNMASK_INTERRUPTS(tw_dev); in twl_probe()
1684 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x20, "Failed to create sysfs binary file: 3ware_aen_read"); in twl_probe()
1686 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x21, "Failed to create sysfs binary file: 3ware_compat_info"); in twl_probe()
1692 tw_dev->online = 1; in twl_probe()
1696 if (test_bit(TW_USING_MSI, &tw_dev->flags)) in twl_probe()
1700 iounmap(tw_dev->base_addr); in twl_probe()
1704 twl_free_device_extension(tw_dev); in twl_probe()
1716 TW_Device_Extension *tw_dev; in twl_remove() local
1721 tw_dev = (TW_Device_Extension *)host->hostdata; in twl_remove()
1723 if (!tw_dev->online) in twl_remove()
1730 scsi_remove_host(tw_dev->host); in twl_remove()
1739 __twl_shutdown(tw_dev); in twl_remove()
1742 if (test_bit(TW_USING_MSI, &tw_dev->flags)) in twl_remove()
1746 iounmap(tw_dev->base_addr); in twl_remove()
1752 twl_free_device_extension(tw_dev); in twl_remove()
1754 scsi_host_put(tw_dev->host); in twl_remove()
1764 TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata; in twl_suspend() local
1766 printk(KERN_WARNING "3w-sas: Suspending host %d.\n", tw_dev->host->host_no); in twl_suspend()
1768 TWL_MASK_INTERRUPTS(tw_dev); in twl_suspend()
1770 free_irq(tw_dev->tw_pci_dev->irq, tw_dev); in twl_suspend()
1773 if (twl_initconnection(tw_dev, 1, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL)) { in twl_suspend()
1774 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x23, "Connection shutdown failed during suspend"); in twl_suspend()
1780 TWL_CLEAR_DB_INTERRUPT(tw_dev); in twl_suspend()
1794 TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata; in twl_resume() local
1796 printk(KERN_WARNING "3w-sas: Resuming host %d.\n", tw_dev->host->host_no); in twl_resume()
1803 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x24, "Enable device failed during resume"); in twl_resume()
1820 if (twl_reset_sequence(tw_dev, 0)) { in twl_resume()
1826 retval = request_irq(pdev->irq, twl_interrupt, IRQF_SHARED, "3w-sas", tw_dev); in twl_resume()
1828 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x26, "Error requesting IRQ during resume"); in twl_resume()
1834 if (test_bit(TW_USING_MSI, &tw_dev->flags)) in twl_resume()
1838 TWL_UNMASK_INTERRUPTS(tw_dev); in twl_resume()