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()
305 full_command_packet = tw_dev->command_packet_virt[request_id]; in twl_scsiop_execute_scsi()
343 …_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()
356 tw_dev->sector_count = scsi_bufflen(srb) / 512; in twl_scsiop_execute_scsi()
357 if (tw_dev->sector_count > tw_dev->max_sector_count) in twl_scsiop_execute_scsi()
358 tw_dev->max_sector_count = tw_dev->sector_count; in twl_scsiop_execute_scsi()
359 tw_dev->sgl_entries = scsi_sg_count(srb); in twl_scsiop_execute_scsi()
360 if (tw_dev->sgl_entries > tw_dev->max_sgl_entries) in twl_scsiop_execute_scsi()
361 tw_dev->max_sgl_entries = tw_dev->sgl_entries; in twl_scsiop_execute_scsi()
365 retval = twl_post_command_packet(tw_dev, request_id); in twl_scsiop_execute_scsi()
372 static int twl_aen_read_queue(TW_Device_Extension *tw_dev, int request_id) in twl_aen_read_queue() argument
379 full_command_packet = tw_dev->command_packet_virt[request_id]; in twl_aen_read_queue()
390 sglist[0].address = tw_dev->generic_buffer_phys[request_id]; in twl_aen_read_queue()
393 tw_dev->srb[request_id] = NULL; in twl_aen_read_queue()
396 if (twl_scsiop_execute_scsi(tw_dev, request_id, cdb, 1, sglist)) { in twl_aen_read_queue()
397 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x2, "Post failed while reading AEN queue"); in twl_aen_read_queue()
406 static void twl_aen_sync_time(TW_Device_Extension *tw_dev, int request_id) in twl_aen_sync_time() argument
415 full_command_packet = tw_dev->command_packet_virt[request_id]; in twl_aen_sync_time()
420 …command_packet->byte8_offset.param.sgl[0].address = TW_CPU_TO_SGL(tw_dev->generic_buffer_phys[requ… in twl_aen_sync_time()
426 param = (TW_Param_Apache *)tw_dev->generic_buffer_virt[request_id]; in twl_aen_sync_time()
441 tw_dev->srb[request_id] = NULL; in twl_aen_sync_time()
444 twl_post_command_packet(tw_dev, request_id); in twl_aen_sync_time()
448 static void twl_get_request_id(TW_Device_Extension *tw_dev, int *request_id) in twl_get_request_id() argument
450 *request_id = tw_dev->free_queue[tw_dev->free_head]; in twl_get_request_id()
451 tw_dev->free_head = (tw_dev->free_head + 1) % TW_Q_LENGTH; in twl_get_request_id()
452 tw_dev->state[*request_id] = TW_S_STARTED; in twl_get_request_id()
456 static void twl_free_request_id(TW_Device_Extension *tw_dev, int request_id) in twl_free_request_id() argument
458 tw_dev->free_queue[tw_dev->free_tail] = request_id; in twl_free_request_id()
459 tw_dev->state[request_id] = TW_S_FINISHED; in twl_free_request_id()
460 tw_dev->free_tail = (tw_dev->free_tail + 1) % TW_Q_LENGTH; in twl_free_request_id()
464 static int twl_aen_complete(TW_Device_Extension *tw_dev, int request_id) in twl_aen_complete() argument
472 header = (TW_Command_Apache_Header *)tw_dev->generic_buffer_virt[request_id]; in twl_aen_complete()
473 tw_dev->posted_request_count--; in twl_aen_complete()
475 full_command_packet = tw_dev->command_packet_virt[request_id]; in twl_aen_complete()
481 if (twl_aen_read_queue(tw_dev, request_id)) in twl_aen_complete()
494 twl_aen_sync_time(tw_dev, request_id); in twl_aen_complete()
498 twl_aen_queue_event(tw_dev, header); in twl_aen_complete()
501 if (twl_aen_read_queue(tw_dev, request_id)) in twl_aen_complete()
510 tw_dev->state[request_id] = TW_S_COMPLETED; in twl_aen_complete()
511 twl_free_request_id(tw_dev, request_id); in twl_aen_complete()
512 clear_bit(TW_IN_ATTENTION_LOOP, &tw_dev->flags); in twl_aen_complete()
518 static int twl_poll_response(TW_Device_Extension *tw_dev, int request_id, int seconds) in twl_poll_response() argument
531 regh = readl(TWL_HOBQPH_REG_ADDR(tw_dev)); in twl_poll_response()
532 regl = readl(TWL_HOBQPL_REG_ADDR(tw_dev)); in twl_poll_response()
535 mfa = readl(TWL_HOBQPL_REG_ADDR(tw_dev)); in twl_poll_response()
553 static int twl_aen_drain_queue(TW_Device_Extension *tw_dev, int no_check_reset) in twl_aen_drain_queue() argument
569 full_command_packet = tw_dev->command_packet_virt[request_id]; in twl_aen_drain_queue()
580 sglist[0].address = tw_dev->generic_buffer_phys[request_id]; in twl_aen_drain_queue()
583 tw_dev->srb[request_id] = NULL; in twl_aen_drain_queue()
587 if (twl_scsiop_execute_scsi(tw_dev, request_id, cdb, 1, sglist)) { in twl_aen_drain_queue()
588 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x3, "Error posting request sense"); in twl_aen_drain_queue()
593 if (twl_poll_response(tw_dev, request_id, 30)) { in twl_aen_drain_queue()
594 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x4, "No valid response while draining AEN queue"); in twl_aen_drain_queue()
595 tw_dev->posted_request_count--; in twl_aen_drain_queue()
599 tw_dev->posted_request_count--; in twl_aen_drain_queue()
600 header = (TW_Command_Apache_Header *)tw_dev->generic_buffer_virt[request_id]; in twl_aen_drain_queue()
626 twl_aen_queue_event(tw_dev, header); in twl_aen_drain_queue()
634 tw_dev->state[request_id] = TW_S_INITIAL; in twl_aen_drain_queue()
639 static int twl_allocate_memory(TW_Device_Extension *tw_dev, int size, int which) in twl_allocate_memory() argument
646 cpu_addr = dma_alloc_coherent(&tw_dev->tw_pci_dev->dev, in twl_allocate_memory()
650 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x5, "Memory allocation failed"); in twl_allocate_memory()
657 tw_dev->command_packet_phys[i] = dma_handle+(i*size); in twl_allocate_memory()
658 tw_dev->command_packet_virt[i] = (TW_Command_Full *)((unsigned char *)cpu_addr + (i*size)); in twl_allocate_memory()
661 tw_dev->generic_buffer_phys[i] = dma_handle+(i*size); in twl_allocate_memory()
662 tw_dev->generic_buffer_virt[i] = (unsigned long *)((unsigned char *)cpu_addr + (i*size)); in twl_allocate_memory()
665 tw_dev->sense_buffer_phys[i] = dma_handle+(i*size); in twl_allocate_memory()
666 … tw_dev->sense_buffer_virt[i] = (TW_Command_Apache_Header *)((unsigned char *)cpu_addr + (i*size)); in twl_allocate_memory()
676 static void twl_load_sgl(TW_Device_Extension *tw_dev, TW_Command_Full *full_command_packet, int req… in twl_load_sgl() argument
723 TW_Device_Extension *tw_dev = twl_device_extension_list[iminor(inode)]; in twl_chrdev_ioctl() local
730 if (mutex_lock_interruptible(&tw_dev->ioctl_lock)) { in twl_chrdev_ioctl()
749 …cpu_addr = dma_alloc_coherent(&tw_dev->tw_pci_dev->dev, data_buffer_length_adjusted+sizeof(TW_Ioct… in twl_chrdev_ioctl()
764 spin_lock_irqsave(tw_dev->host->host_lock, flags); in twl_chrdev_ioctl()
765 twl_get_request_id(tw_dev, &request_id); in twl_chrdev_ioctl()
768 tw_dev->srb[request_id] = NULL; in twl_chrdev_ioctl()
771 tw_dev->chrdev_request_id = request_id; in twl_chrdev_ioctl()
776 twl_load_sgl(tw_dev, full_command_packet, request_id, dma_handle, data_buffer_length_adjusted); in twl_chrdev_ioctl()
778 …memcpy(tw_dev->command_packet_virt[request_id], &(tw_ioctl->firmware_command), sizeof(TW_Command_F… in twl_chrdev_ioctl()
781 twl_post_command_packet(tw_dev, request_id); in twl_chrdev_ioctl()
782 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in twl_chrdev_ioctl()
787 …timeout = wait_event_timeout(tw_dev->ioctl_wqueue, tw_dev->chrdev_request_id == TW_IOCTL_CHRDEV_FR… in twl_chrdev_ioctl()
790 if (tw_dev->chrdev_request_id != TW_IOCTL_CHRDEV_FREE) { in twl_chrdev_ioctl()
793 tw_dev->host->host_no, TW_DRIVER, 0x6, in twl_chrdev_ioctl()
796 twl_reset_device_extension(tw_dev, 1); in twl_chrdev_ioctl()
801 …memcpy(&(tw_ioctl->firmware_command), tw_dev->command_packet_virt[request_id], sizeof(TW_Command_F… in twl_chrdev_ioctl()
804 spin_lock_irqsave(tw_dev->host->host_lock, flags); in twl_chrdev_ioctl()
805 tw_dev->posted_request_count--; in twl_chrdev_ioctl()
806 tw_dev->state[request_id] = TW_S_COMPLETED; in twl_chrdev_ioctl()
807 twl_free_request_id(tw_dev, request_id); in twl_chrdev_ioctl()
808 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in twl_chrdev_ioctl()
820 …dma_free_coherent(&tw_dev->tw_pci_dev->dev, data_buffer_length_adjusted+sizeof(TW_Ioctl_Buf_Apache… in twl_chrdev_ioctl()
822 mutex_unlock(&tw_dev->ioctl_lock); in twl_chrdev_ioctl()
857 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
864 header = tw_dev->sense_buffer_virt[i]; in twl_fill_sense()
865 full_command_packet = tw_dev->command_packet_virt[request_id]; in twl_fill_sense()
875 tw_dev->host->host_no, in twl_fill_sense()
889 memcpy(tw_dev->srb[request_id]->sense_buffer, header->sense_data, TW_SENSE_DATA_LENGTH); in twl_fill_sense()
890 tw_dev->srb[request_id]->result = (full_command_packet->command.newcommand.status << 1); in twl_fill_sense()
898 static void twl_free_device_extension(TW_Device_Extension *tw_dev) in twl_free_device_extension() argument
900 if (tw_dev->command_packet_virt[0]) in twl_free_device_extension()
901 dma_free_coherent(&tw_dev->tw_pci_dev->dev, in twl_free_device_extension()
903 tw_dev->command_packet_virt[0], in twl_free_device_extension()
904 tw_dev->command_packet_phys[0]); in twl_free_device_extension()
906 if (tw_dev->generic_buffer_virt[0]) in twl_free_device_extension()
907 dma_free_coherent(&tw_dev->tw_pci_dev->dev, in twl_free_device_extension()
909 tw_dev->generic_buffer_virt[0], in twl_free_device_extension()
910 tw_dev->generic_buffer_phys[0]); in twl_free_device_extension()
912 if (tw_dev->sense_buffer_virt[0]) in twl_free_device_extension()
913 dma_free_coherent(&tw_dev->tw_pci_dev->dev, in twl_free_device_extension()
916 tw_dev->sense_buffer_virt[0], in twl_free_device_extension()
917 tw_dev->sense_buffer_phys[0]); in twl_free_device_extension()
919 kfree(tw_dev->event_queue[0]); in twl_free_device_extension()
923 static void *twl_get_param(TW_Device_Extension *tw_dev, int request_id, int table_id, int parameter… in twl_get_param() argument
931 full_command_packet = tw_dev->command_packet_virt[request_id]; in twl_get_param()
941 param = (TW_Param_Apache *)tw_dev->generic_buffer_virt[request_id]; in twl_get_param()
947 …command_packet->byte8_offset.param.sgl[0].address = TW_CPU_TO_SGL(tw_dev->generic_buffer_phys[requ… in twl_get_param()
951 twl_post_command_packet(tw_dev, request_id); in twl_get_param()
954 if (twl_poll_response(tw_dev, request_id, 30)) in twl_get_param()
955 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x7, "No valid response during get param") in twl_get_param()
959 tw_dev->posted_request_count--; in twl_get_param()
960 tw_dev->state[request_id] = TW_S_INITIAL; in twl_get_param()
966 static int twl_initconnection(TW_Device_Extension *tw_dev, int message_credits, in twl_initconnection() argument
982 full_command_packet = tw_dev->command_packet_virt[request_id]; in twl_initconnection()
1007 twl_post_command_packet(tw_dev, request_id); in twl_initconnection()
1010 if (twl_poll_response(tw_dev, request_id, 30)) { in twl_initconnection()
1011 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x8, "No valid response during init connection"); in twl_initconnection()
1023 tw_dev->posted_request_count--; in twl_initconnection()
1024 tw_dev->state[request_id] = TW_S_INITIAL; in twl_initconnection()
1030 static int twl_initialize_device_extension(TW_Device_Extension *tw_dev) in twl_initialize_device_extension() argument
1035 if (twl_allocate_memory(tw_dev, sizeof(TW_Command_Full), 0)) { in twl_initialize_device_extension()
1036 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x9, "Command packet memory allocation failed"); in twl_initialize_device_extension()
1041 if (twl_allocate_memory(tw_dev, TW_SECTOR_SIZE, 1)) { in twl_initialize_device_extension()
1042 TW_PRINTK(tw_dev->host, TW_DRIVER, 0xa, "Generic memory allocation failed"); in twl_initialize_device_extension()
1047 if (twl_allocate_memory(tw_dev, sizeof(TW_Command_Apache_Header), 2)) { in twl_initialize_device_extension()
1048 TW_PRINTK(tw_dev->host, TW_DRIVER, 0xb, "Sense buffer allocation failed"); in twl_initialize_device_extension()
1053 tw_dev->event_queue[0] = kcalloc(TW_Q_LENGTH, sizeof(TW_Event), GFP_KERNEL); in twl_initialize_device_extension()
1054 if (!tw_dev->event_queue[0]) { in twl_initialize_device_extension()
1055 TW_PRINTK(tw_dev->host, TW_DRIVER, 0xc, "Event info memory allocation failed"); in twl_initialize_device_extension()
1060 …tw_dev->event_queue[i] = (TW_Event *)((unsigned char *)tw_dev->event_queue[0] + (i * sizeof(TW_Eve… in twl_initialize_device_extension()
1061 tw_dev->free_queue[i] = i; in twl_initialize_device_extension()
1062 tw_dev->state[i] = TW_S_INITIAL; in twl_initialize_device_extension()
1065 tw_dev->free_head = TW_Q_START; in twl_initialize_device_extension()
1066 tw_dev->free_tail = TW_Q_START; in twl_initialize_device_extension()
1067 tw_dev->error_sequence_id = 1; in twl_initialize_device_extension()
1068 tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE; in twl_initialize_device_extension()
1070 mutex_init(&tw_dev->ioctl_lock); in twl_initialize_device_extension()
1071 init_waitqueue_head(&tw_dev->ioctl_wqueue); in twl_initialize_device_extension()
1079 static int twl_handle_attention_interrupt(TW_Device_Extension *tw_dev) in twl_handle_attention_interrupt() argument
1085 doorbell = readl(TWL_HOBDB_REG_ADDR(tw_dev)); in twl_handle_attention_interrupt()
1089 TW_PRINTK(tw_dev->host, TW_DRIVER, 0xd, "Microcontroller Error: clearing"); in twl_handle_attention_interrupt()
1095 if (!(test_and_set_bit(TW_IN_ATTENTION_LOOP, &tw_dev->flags))) { in twl_handle_attention_interrupt()
1096 twl_get_request_id(tw_dev, &request_id); in twl_handle_attention_interrupt()
1097 if (twl_aen_read_queue(tw_dev, request_id)) { in twl_handle_attention_interrupt()
1098 tw_dev->state[request_id] = TW_S_COMPLETED; in twl_handle_attention_interrupt()
1099 twl_free_request_id(tw_dev, request_id); in twl_handle_attention_interrupt()
1100 clear_bit(TW_IN_ATTENTION_LOOP, &tw_dev->flags); in twl_handle_attention_interrupt()
1108 TWL_CLEAR_DB_INTERRUPT(tw_dev); in twl_handle_attention_interrupt()
1111 readl(TWL_HOBDBC_REG_ADDR(tw_dev)); in twl_handle_attention_interrupt()
1119 TW_Device_Extension *tw_dev = (TW_Device_Extension *)dev_instance; in twl_interrupt() local
1126 spin_lock(tw_dev->host->host_lock); in twl_interrupt()
1129 reg = readl(TWL_HISTAT_REG_ADDR(tw_dev)); in twl_interrupt()
1138 if (test_bit(TW_IN_RESET, &tw_dev->flags)) in twl_interrupt()
1143 if (twl_handle_attention_interrupt(tw_dev)) { in twl_interrupt()
1144 TWL_MASK_INTERRUPTS(tw_dev); in twl_interrupt()
1152 regh = readl(TWL_HOBQPH_REG_ADDR(tw_dev)); in twl_interrupt()
1153 regl = readl(TWL_HOBQPL_REG_ADDR(tw_dev)); in twl_interrupt()
1156 mfa = readl(TWL_HOBQPL_REG_ADDR(tw_dev)); in twl_interrupt()
1164 if (tw_dev->sense_buffer_phys[i] == mfa) { in twl_interrupt()
1165 request_id = le16_to_cpu(tw_dev->sense_buffer_virt[i]->header_desc.request_id); in twl_interrupt()
1166 if (tw_dev->srb[request_id] != NULL) in twl_interrupt()
1167 error = twl_fill_sense(tw_dev, i, request_id, 1, 1); in twl_interrupt()
1170 if (request_id != tw_dev->chrdev_request_id) in twl_interrupt()
1171 error = twl_fill_sense(tw_dev, i, request_id, 0, 1); in twl_interrupt()
1173 …memcpy(tw_dev->command_packet_virt[request_id], tw_dev->sense_buffer_virt[i], sizeof(TW_Command_Ap… in twl_interrupt()
1177 writel((u32)((u64)tw_dev->sense_buffer_phys[i] >> 32), TWL_HOBQPH_REG_ADDR(tw_dev)); in twl_interrupt()
1178 writel((u32)tw_dev->sense_buffer_phys[i], TWL_HOBQPL_REG_ADDR(tw_dev)); in twl_interrupt()
1185 full_command_packet = tw_dev->command_packet_virt[request_id]; in twl_interrupt()
1188 if (tw_dev->state[request_id] != TW_S_POSTED) { in twl_interrupt()
1189 if (tw_dev->srb[request_id] != NULL) { in twl_interrupt()
1190 TW_PRINTK(tw_dev->host, TW_DRIVER, 0xe, "Received a request id that wasn't posted"); in twl_interrupt()
1191 TWL_MASK_INTERRUPTS(tw_dev); in twl_interrupt()
1197 if (tw_dev->srb[request_id] == NULL) { in twl_interrupt()
1198 if (request_id != tw_dev->chrdev_request_id) { in twl_interrupt()
1199 if (twl_aen_complete(tw_dev, request_id)) in twl_interrupt()
1200 TW_PRINTK(tw_dev->host, TW_DRIVER, 0xf, "Error completing AEN during attention interrupt"); in twl_interrupt()
1202 tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE; in twl_interrupt()
1203 wake_up(&tw_dev->ioctl_wqueue); in twl_interrupt()
1206 cmd = tw_dev->srb[request_id]; in twl_interrupt()
1213 …if (full_command_packet->command.newcommand.sg_list[0].length < scsi_bufflen(tw_dev->srb[request_i… in twl_interrupt()
1220 tw_dev->state[request_id] = TW_S_COMPLETED; in twl_interrupt()
1221 twl_free_request_id(tw_dev, request_id); in twl_interrupt()
1222 tw_dev->posted_request_count--; in twl_interrupt()
1226 reg = readl(TWL_HISTAT_REG_ADDR(tw_dev)); in twl_interrupt()
1230 spin_unlock(tw_dev->host->host_lock); in twl_interrupt()
1235 static int twl_poll_register(TW_Device_Extension *tw_dev, void *reg, u32 value, u32 result, int sec… in twl_poll_register() argument
1256 static int twl_reset_sequence(TW_Device_Extension *tw_dev, int soft_reset) in twl_reset_sequence() argument
1270 TWL_SOFT_RESET(tw_dev); in twl_reset_sequence()
1273 if (twl_poll_register(tw_dev, TWL_SCRPD3_REG_ADDR(tw_dev), TWL_CONTROLLER_READY, 0x0, 30)) { in twl_reset_sequence()
1274 … TW_PRINTK(tw_dev->host, TW_DRIVER, 0x10, "Controller never went non-ready during reset sequence"); in twl_reset_sequence()
1278 …if (twl_poll_register(tw_dev, TWL_SCRPD3_REG_ADDR(tw_dev), TWL_CONTROLLER_READY, TWL_CONTROLLER_RE… in twl_reset_sequence()
1279 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x11, "Controller not ready during reset sequence"); in twl_reset_sequence()
1286 if (twl_initconnection(tw_dev, TW_INIT_MESSAGE_CREDITS, in twl_reset_sequence()
1292 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x12, "Initconnection failed while checking SRL"); in twl_reset_sequence()
1300 writel((u32)((u64)tw_dev->sense_buffer_phys[i] >> 32), TWL_HOBQPH_REG_ADDR(tw_dev)); in twl_reset_sequence()
1301 writel((u32)tw_dev->sense_buffer_phys[i], TWL_HOBQPL_REG_ADDR(tw_dev)); in twl_reset_sequence()
1304 status = readl(TWL_STATUS_REG_ADDR(tw_dev)); in twl_reset_sequence()
1310 status = readl(TWL_STATUS_REG_ADDR(tw_dev)); in twl_reset_sequence()
1312 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x13, "Bad controller status after loading sense buffers"); in twl_reset_sequence()
1319 if (twl_aen_drain_queue(tw_dev, soft_reset)) { in twl_reset_sequence()
1320 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x14, "AEN drain failed during reset sequence"); in twl_reset_sequence()
1327 strncpy(tw_dev->tw_compat_info.driver_version, TW_DRIVER_VERSION, strlen(TW_DRIVER_VERSION)); in twl_reset_sequence()
1328 tw_dev->tw_compat_info.driver_srl_high = TW_CURRENT_DRIVER_SRL; in twl_reset_sequence()
1329 tw_dev->tw_compat_info.driver_branch_high = TW_CURRENT_DRIVER_BRANCH; in twl_reset_sequence()
1330 tw_dev->tw_compat_info.driver_build_high = TW_CURRENT_DRIVER_BUILD; in twl_reset_sequence()
1331 tw_dev->tw_compat_info.driver_srl_low = TW_BASE_FW_SRL; in twl_reset_sequence()
1332 tw_dev->tw_compat_info.driver_branch_low = TW_BASE_FW_BRANCH; in twl_reset_sequence()
1333 tw_dev->tw_compat_info.driver_build_low = TW_BASE_FW_BUILD; in twl_reset_sequence()
1334 tw_dev->tw_compat_info.fw_on_ctlr_srl = fw_on_ctlr_srl; in twl_reset_sequence()
1335 tw_dev->tw_compat_info.fw_on_ctlr_branch = fw_on_ctlr_branch; in twl_reset_sequence()
1336 tw_dev->tw_compat_info.fw_on_ctlr_build = fw_on_ctlr_build; in twl_reset_sequence()
1347 static int twl_reset_device_extension(TW_Device_Extension *tw_dev, int ioctl_reset) in twl_reset_device_extension() argument
1354 scsi_block_requests(tw_dev->host); in twl_reset_device_extension()
1356 set_bit(TW_IN_RESET, &tw_dev->flags); in twl_reset_device_extension()
1357 TWL_MASK_INTERRUPTS(tw_dev); in twl_reset_device_extension()
1358 TWL_CLEAR_DB_INTERRUPT(tw_dev); in twl_reset_device_extension()
1360 spin_lock_irqsave(tw_dev->host->host_lock, flags); in twl_reset_device_extension()
1364 if ((tw_dev->state[i] != TW_S_FINISHED) && in twl_reset_device_extension()
1365 (tw_dev->state[i] != TW_S_INITIAL) && in twl_reset_device_extension()
1366 (tw_dev->state[i] != TW_S_COMPLETED)) { in twl_reset_device_extension()
1367 struct scsi_cmnd *cmd = tw_dev->srb[i]; in twl_reset_device_extension()
1379 tw_dev->free_queue[i] = i; in twl_reset_device_extension()
1380 tw_dev->state[i] = TW_S_INITIAL; in twl_reset_device_extension()
1382 tw_dev->free_head = TW_Q_START; in twl_reset_device_extension()
1383 tw_dev->free_tail = TW_Q_START; in twl_reset_device_extension()
1384 tw_dev->posted_request_count = 0; in twl_reset_device_extension()
1386 spin_unlock_irqrestore(tw_dev->host->host_lock, flags); in twl_reset_device_extension()
1388 if (twl_reset_sequence(tw_dev, 1)) in twl_reset_device_extension()
1391 TWL_UNMASK_INTERRUPTS(tw_dev); in twl_reset_device_extension()
1393 clear_bit(TW_IN_RESET, &tw_dev->flags); in twl_reset_device_extension()
1394 tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE; in twl_reset_device_extension()
1399 scsi_unblock_requests(tw_dev->host); in twl_reset_device_extension()
1426 TW_Device_Extension *tw_dev = NULL; in twl_scsi_eh_reset() local
1429 tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata; in twl_scsi_eh_reset()
1431 tw_dev->num_resets++; in twl_scsi_eh_reset()
1438 mutex_lock(&tw_dev->ioctl_lock); in twl_scsi_eh_reset()
1441 if (twl_reset_device_extension(tw_dev, 0)) { in twl_scsi_eh_reset()
1442 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x15, "Controller reset failed during scsi host reset"); in twl_scsi_eh_reset()
1448 mutex_unlock(&tw_dev->ioctl_lock); in twl_scsi_eh_reset()
1456 TW_Device_Extension *tw_dev = (TW_Device_Extension *)SCpnt->device->host->hostdata; in twl_scsi_queue_lck() local
1459 if (test_bit(TW_IN_RESET, &tw_dev->flags)) { in twl_scsi_queue_lck()
1468 twl_get_request_id(tw_dev, &request_id); in twl_scsi_queue_lck()
1471 tw_dev->srb[request_id] = SCpnt; in twl_scsi_queue_lck()
1473 retval = twl_scsiop_execute_scsi(tw_dev, request_id, NULL, 0, NULL); in twl_scsi_queue_lck()
1475 tw_dev->state[request_id] = TW_S_COMPLETED; in twl_scsi_queue_lck()
1476 twl_free_request_id(tw_dev, request_id); in twl_scsi_queue_lck()
1488 static void __twl_shutdown(TW_Device_Extension *tw_dev) in DEF_SCSI_QCMD()
1491 TWL_MASK_INTERRUPTS(tw_dev); in DEF_SCSI_QCMD()
1494 free_irq(tw_dev->tw_pci_dev->irq, tw_dev); in DEF_SCSI_QCMD()
1496 printk(KERN_WARNING "3w-sas: Shutting down host %d.\n", tw_dev->host->host_no); in DEF_SCSI_QCMD()
1499 if (twl_initconnection(tw_dev, 1, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL)) { in DEF_SCSI_QCMD()
1500 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x16, "Connection shutdown failed"); in DEF_SCSI_QCMD()
1506 TWL_CLEAR_DB_INTERRUPT(tw_dev); in DEF_SCSI_QCMD()
1513 TW_Device_Extension *tw_dev; in twl_shutdown() local
1518 tw_dev = (TW_Device_Extension *)host->hostdata; in twl_shutdown()
1520 if (tw_dev->online) in twl_shutdown()
1521 __twl_shutdown(tw_dev); in twl_shutdown()
1556 TW_Device_Extension *tw_dev; in twl_probe() local
1584 tw_dev = shost_priv(host); in twl_probe()
1587 tw_dev->host = host; in twl_probe()
1588 tw_dev->tw_pci_dev = pdev; in twl_probe()
1590 if (twl_initialize_device_extension(tw_dev)) { in twl_probe()
1591 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1a, "Failed to initialize device extension"); in twl_probe()
1599 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1b, "Failed to get mem region"); in twl_probe()
1604 tw_dev->base_addr = pci_iomap(pdev, 1, 0); in twl_probe()
1605 if (!tw_dev->base_addr) { in twl_probe()
1606 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1c, "Failed to ioremap"); in twl_probe()
1612 TWL_MASK_INTERRUPTS(tw_dev); in twl_probe()
1615 if (twl_reset_sequence(tw_dev, 0)) { in twl_probe()
1616 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1d, "Controller reset failed during probe"); in twl_probe()
1630 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1e, "scsi add host failed"); in twl_probe()
1638 (char *)twl_get_param(tw_dev, 1, TW_VERSION_TABLE, in twl_probe()
1642 ptr_phycount = twl_get_param(tw_dev, 2, TW_PARAM_PHY_SUMMARY_TABLE, in twl_probe()
1649 (char *)twl_get_param(tw_dev, 1, TW_VERSION_TABLE, in twl_probe()
1651 (char *)twl_get_param(tw_dev, 2, TW_VERSION_TABLE, in twl_probe()
1657 set_bit(TW_USING_MSI, &tw_dev->flags); in twl_probe()
1660 retval = request_irq(pdev->irq, twl_interrupt, IRQF_SHARED, "3w-sas", tw_dev); in twl_probe()
1662 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1f, "Error requesting IRQ"); in twl_probe()
1666 twl_device_extension_list[twl_device_extension_count] = tw_dev; in twl_probe()
1670 TWL_UNMASK_INTERRUPTS(tw_dev); in twl_probe()
1677 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x20, "Failed to create sysfs binary file: 3ware_aen_read"); in twl_probe()
1679 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x21, "Failed to create sysfs binary file: 3ware_compat_info"); in twl_probe()
1685 tw_dev->online = 1; in twl_probe()
1689 if (test_bit(TW_USING_MSI, &tw_dev->flags)) in twl_probe()
1693 iounmap(tw_dev->base_addr); in twl_probe()
1697 twl_free_device_extension(tw_dev); in twl_probe()
1709 TW_Device_Extension *tw_dev; in twl_remove() local
1714 tw_dev = (TW_Device_Extension *)host->hostdata; in twl_remove()
1716 if (!tw_dev->online) in twl_remove()
1723 scsi_remove_host(tw_dev->host); in twl_remove()
1732 __twl_shutdown(tw_dev); in twl_remove()
1735 if (test_bit(TW_USING_MSI, &tw_dev->flags)) in twl_remove()
1739 iounmap(tw_dev->base_addr); in twl_remove()
1745 twl_free_device_extension(tw_dev); in twl_remove()
1747 scsi_host_put(tw_dev->host); in twl_remove()
1756 TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata; in twl_suspend() local
1758 printk(KERN_WARNING "3w-sas: Suspending host %d.\n", tw_dev->host->host_no); in twl_suspend()
1760 TWL_MASK_INTERRUPTS(tw_dev); in twl_suspend()
1762 free_irq(tw_dev->tw_pci_dev->irq, tw_dev); in twl_suspend()
1765 if (twl_initconnection(tw_dev, 1, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL)) { in twl_suspend()
1766 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x23, "Connection shutdown failed during suspend"); in twl_suspend()
1772 TWL_CLEAR_DB_INTERRUPT(tw_dev); in twl_suspend()
1783 TW_Device_Extension *tw_dev = (TW_Device_Extension *)host->hostdata; in twl_resume() local
1785 printk(KERN_WARNING "3w-sas: Resuming host %d.\n", tw_dev->host->host_no); in twl_resume()
1798 if (twl_reset_sequence(tw_dev, 0)) { in twl_resume()
1804 retval = request_irq(pdev->irq, twl_interrupt, IRQF_SHARED, "3w-sas", tw_dev); in twl_resume()
1806 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x26, "Error requesting IRQ during resume"); in twl_resume()
1812 if (test_bit(TW_USING_MSI, &tw_dev->flags)) in twl_resume()
1816 TWL_UNMASK_INTERRUPTS(tw_dev); in twl_resume()