Lines Matching refs:ch
87 #define ch_printk(prefix, ch, fmt, a...) \ argument
88 sdev_prefix_printk(prefix, (ch)->device, (ch)->name, fmt, ##a)
93 ch_printk(KERN_DEBUG, ch, fmt, ##arg); \
98 ch_printk(level, ch, fmt, ##arg); \
185 ch_do_scsi(scsi_changer *ch, unsigned char *cmd, int cmd_len, in ch_do_scsi() argument
197 result = scsi_execute_req(ch->device, cmd, direction, buffer, in ch_do_scsi()
203 scsi_print_sense_hdr(ch->device, ch->name, &sshdr); in ch_do_scsi()
208 ch->unit_attention = 1; in ch_do_scsi()
220 ch_elem_to_typecode(scsi_changer *ch, u_int elem) in ch_elem_to_typecode() argument
225 if (elem >= ch->firsts[i] && in ch_elem_to_typecode()
226 elem < ch->firsts[i] + in ch_elem_to_typecode()
227 ch->counts[i]) in ch_elem_to_typecode()
234 ch_read_element_status(scsi_changer *ch, u_int elem, char *data) in ch_read_element_status() argument
247 cmd[1] = ((ch->device->lun & 0x7) << 5) | in ch_read_element_status()
248 (ch->voltags ? 0x10 : 0) | in ch_read_element_status()
249 ch_elem_to_typecode(ch,elem); in ch_read_element_status()
254 if (0 == (result = ch_do_scsi(ch, cmd, 12, in ch_read_element_status()
264 if (ch->voltags) { in ch_read_element_status()
265 ch->voltags = 0; in ch_read_element_status()
276 ch_init_elem(scsi_changer *ch) in ch_init_elem() argument
284 cmd[1] = (ch->device->lun & 0x7) << 5; in ch_init_elem()
285 err = ch_do_scsi(ch, cmd, 6, NULL, 0, DMA_NONE); in ch_init_elem()
291 ch_readconfig(scsi_changer *ch) in ch_readconfig() argument
304 cmd[1] = (ch->device->lun & 0x7) << 5; in ch_readconfig()
307 result = ch_do_scsi(ch, cmd, 10, buffer, 255, DMA_FROM_DEVICE); in ch_readconfig()
310 result = ch_do_scsi(ch, cmd, 10, buffer, 255, DMA_FROM_DEVICE); in ch_readconfig()
313 ch->firsts[CHET_MT] = in ch_readconfig()
315 ch->counts[CHET_MT] = in ch_readconfig()
317 ch->firsts[CHET_ST] = in ch_readconfig()
319 ch->counts[CHET_ST] = in ch_readconfig()
321 ch->firsts[CHET_IE] = in ch_readconfig()
323 ch->counts[CHET_IE] = in ch_readconfig()
325 ch->firsts[CHET_DT] = in ch_readconfig()
327 ch->counts[CHET_DT] = in ch_readconfig()
330 ch->firsts[CHET_MT], in ch_readconfig()
331 ch->counts[CHET_MT]); in ch_readconfig()
333 ch->firsts[CHET_ST], in ch_readconfig()
334 ch->counts[CHET_ST]); in ch_readconfig()
336 ch->firsts[CHET_IE], in ch_readconfig()
337 ch->counts[CHET_IE]); in ch_readconfig()
339 ch->firsts[CHET_DT], in ch_readconfig()
340 ch->counts[CHET_DT]); in ch_readconfig()
351 ch->firsts[CHET_V1+i] = vendor_firsts[i]; in ch_readconfig()
352 ch->counts[CHET_V1+i] = vendor_counts[i]; in ch_readconfig()
359 ch->dt = kcalloc(ch->counts[CHET_DT], sizeof(*ch->dt), in ch_readconfig()
362 if (!ch->dt) { in ch_readconfig()
367 for (elem = 0; elem < ch->counts[CHET_DT]; elem++) { in ch_readconfig()
374 elem+ch->firsts[CHET_DT]); in ch_readconfig()
376 (ch,elem+ch->firsts[CHET_DT],data)) { in ch_readconfig()
378 elem+ch->firsts[CHET_DT]); in ch_readconfig()
380 VPRINTK(KERN_INFO, "dt 0x%x: ",elem+ch->firsts[CHET_DT]); in ch_readconfig()
383 ch->dt[elem] = NULL; in ch_readconfig()
386 ch->dt[elem] = NULL; in ch_readconfig()
388 id = ch->device->id; in ch_readconfig()
396 ch->dt[elem] = in ch_readconfig()
397 scsi_device_lookup(ch->device->host, in ch_readconfig()
398 ch->device->channel, in ch_readconfig()
400 if (!ch->dt[elem]) { in ch_readconfig()
405 ch->dt[elem]->vendor, in ch_readconfig()
406 ch->dt[elem]->model, in ch_readconfig()
407 ch->dt[elem]->rev); in ch_readconfig()
411 ch->voltags = 1; in ch_readconfig()
420 ch_position(scsi_changer *ch, u_int trans, u_int elem, int rotate) in ch_position() argument
426 trans = ch->firsts[CHET_MT]; in ch_position()
429 cmd[1] = (ch->device->lun & 0x7) << 5; in ch_position()
435 return ch_do_scsi(ch, cmd, 10, NULL, 0, DMA_NONE); in ch_position()
439 ch_move(scsi_changer *ch, u_int trans, u_int src, u_int dest, int rotate) in ch_move() argument
445 trans = ch->firsts[CHET_MT]; in ch_move()
448 cmd[1] = (ch->device->lun & 0x7) << 5; in ch_move()
456 return ch_do_scsi(ch, cmd, 12, NULL,0, DMA_NONE); in ch_move()
460 ch_exchange(scsi_changer *ch, u_int trans, u_int src, in ch_exchange() argument
468 trans = ch->firsts[CHET_MT]; in ch_exchange()
471 cmd[1] = (ch->device->lun & 0x7) << 5; in ch_exchange()
482 return ch_do_scsi(ch, cmd, 12, NULL, 0, DMA_NONE); in ch_exchange()
502 ch_set_voltag(scsi_changer *ch, u_int elem, in ch_set_voltag() argument
519 cmd[1] = ((ch->device->lun & 0x7) << 5) | in ch_set_voltag()
520 ch_elem_to_typecode(ch,elem); in ch_set_voltag()
532 result = ch_do_scsi(ch, cmd, 12, buffer, 256, DMA_TO_DEVICE); in ch_set_voltag()
537 static int ch_gstatus(scsi_changer *ch, int type, unsigned char __user *dest) in ch_gstatus() argument
543 mutex_lock(&ch->lock); in ch_gstatus()
544 for (i = 0; i < ch->counts[type]; i++) { in ch_gstatus()
546 (ch, ch->firsts[type]+i,data)) { in ch_gstatus()
553 ch->firsts[type]+i, in ch_gstatus()
556 (ch, ch->firsts[type]+i,data); in ch_gstatus()
560 mutex_unlock(&ch->lock); in ch_gstatus()
569 scsi_changer *ch = file->private_data; in ch_release() local
571 scsi_device_put(ch->device); in ch_release()
579 scsi_changer *ch; in ch_open() local
584 ch = idr_find(&ch_index_idr, minor); in ch_open()
586 if (NULL == ch || scsi_device_get(ch->device)) { in ch_open()
593 file->private_data = ch; in ch_open()
599 ch_checkrange(scsi_changer *ch, unsigned int type, unsigned int unit) in ch_checkrange() argument
601 if (type >= CH_TYPES || unit >= ch->counts[type]) in ch_checkrange()
609 scsi_changer *ch = file->private_data; in ch_ioctl() local
613 retval = scsi_ioctl_block_when_processing_errors(ch->device, cmd, in ch_ioctl()
624 params.cp_npickers = ch->counts[CHET_MT]; in ch_ioctl()
625 params.cp_nslots = ch->counts[CHET_ST]; in ch_ioctl()
626 params.cp_nportals = ch->counts[CHET_IE]; in ch_ioctl()
627 params.cp_ndrives = ch->counts[CHET_DT]; in ch_ioctl()
638 if (ch->counts[CHET_V1]) { in ch_ioctl()
639 vparams.cvp_n1 = ch->counts[CHET_V1]; in ch_ioctl()
642 if (ch->counts[CHET_V2]) { in ch_ioctl()
643 vparams.cvp_n2 = ch->counts[CHET_V2]; in ch_ioctl()
646 if (ch->counts[CHET_V3]) { in ch_ioctl()
647 vparams.cvp_n3 = ch->counts[CHET_V3]; in ch_ioctl()
650 if (ch->counts[CHET_V4]) { in ch_ioctl()
651 vparams.cvp_n4 = ch->counts[CHET_V4]; in ch_ioctl()
666 if (0 != ch_checkrange(ch, pos.cp_type, pos.cp_unit)) { in ch_ioctl()
670 mutex_lock(&ch->lock); in ch_ioctl()
671 retval = ch_position(ch,0, in ch_ioctl()
672 ch->firsts[pos.cp_type] + pos.cp_unit, in ch_ioctl()
674 mutex_unlock(&ch->lock); in ch_ioctl()
685 if (0 != ch_checkrange(ch, mv.cm_fromtype, mv.cm_fromunit) || in ch_ioctl()
686 0 != ch_checkrange(ch, mv.cm_totype, mv.cm_tounit )) { in ch_ioctl()
691 mutex_lock(&ch->lock); in ch_ioctl()
692 retval = ch_move(ch,0, in ch_ioctl()
693 ch->firsts[mv.cm_fromtype] + mv.cm_fromunit, in ch_ioctl()
694 ch->firsts[mv.cm_totype] + mv.cm_tounit, in ch_ioctl()
696 mutex_unlock(&ch->lock); in ch_ioctl()
707 if (0 != ch_checkrange(ch, mv.ce_srctype, mv.ce_srcunit ) || in ch_ioctl()
708 0 != ch_checkrange(ch, mv.ce_fdsttype, mv.ce_fdstunit) || in ch_ioctl()
709 0 != ch_checkrange(ch, mv.ce_sdsttype, mv.ce_sdstunit)) { in ch_ioctl()
714 mutex_lock(&ch->lock); in ch_ioctl()
716 (ch,0, in ch_ioctl()
717 ch->firsts[mv.ce_srctype] + mv.ce_srcunit, in ch_ioctl()
718 ch->firsts[mv.ce_fdsttype] + mv.ce_fdstunit, in ch_ioctl()
719 ch->firsts[mv.ce_sdsttype] + mv.ce_sdstunit, in ch_ioctl()
721 mutex_unlock(&ch->lock); in ch_ioctl()
734 return ch_gstatus(ch, ces.ces_type, ces.ces_data); in ch_ioctl()
748 if (0 != ch_checkrange(ch, cge.cge_type, cge.cge_unit)) in ch_ioctl()
750 elem = ch->firsts[cge.cge_type] + cge.cge_unit; in ch_ioctl()
755 mutex_lock(&ch->lock); in ch_ioctl()
760 ch_cmd[1] = ((ch->device->lun & 0x7) << 5) | in ch_ioctl()
761 (ch->voltags ? 0x10 : 0) | in ch_ioctl()
762 ch_elem_to_typecode(ch,elem); in ch_ioctl()
768 result = ch_do_scsi(ch, ch_cmd, 12, in ch_ioctl()
782 if (elem >= ch->firsts[i] && in ch_ioctl()
783 elem < ch->firsts[i] + ch->counts[i]) { in ch_ioctl()
785 cge.cge_srcunit = elem-ch->firsts[i]; in ch_ioctl()
802 } else if (ch->voltags) { in ch_ioctl()
803 ch->voltags = 0; in ch_ioctl()
808 mutex_unlock(&ch->lock); in ch_ioctl()
817 mutex_lock(&ch->lock); in ch_ioctl()
818 retval = ch_init_elem(ch); in ch_ioctl()
819 mutex_unlock(&ch->lock); in ch_ioctl()
831 if (0 != ch_checkrange(ch, csv.csv_type, csv.csv_unit)) { in ch_ioctl()
835 elem = ch->firsts[csv.csv_type] + csv.csv_unit; in ch_ioctl()
836 mutex_lock(&ch->lock); in ch_ioctl()
837 retval = ch_set_voltag(ch, elem, in ch_ioctl()
841 mutex_unlock(&ch->lock); in ch_ioctl()
846 return scsi_ioctl(ch->device, cmd, argp); in ch_ioctl()
862 scsi_changer *ch = file->private_data; in ch_ioctl_compat() local
886 return ch_gstatus(ch, ces32.ces_type, data); in ch_ioctl_compat()
903 scsi_changer *ch; in ch_probe() local
908 ch = kzalloc(sizeof(*ch), GFP_KERNEL); in ch_probe()
909 if (NULL == ch) in ch_probe()
914 ret = idr_alloc(&ch_index_idr, ch, 0, CH_MAX_DEVS + 1, GFP_NOWAIT); in ch_probe()
924 ch->minor = ret; in ch_probe()
925 sprintf(ch->name,"ch%d",ch->minor); in ch_probe()
928 MKDEV(SCSI_CHANGER_MAJOR, ch->minor), ch, in ch_probe()
929 "s%s", ch->name); in ch_probe()
932 ch->minor); in ch_probe()
937 mutex_init(&ch->lock); in ch_probe()
938 ch->device = sd; in ch_probe()
939 ch_readconfig(ch); in ch_probe()
941 ch_init_elem(ch); in ch_probe()
943 dev_set_drvdata(dev, ch); in ch_probe()
944 sdev_printk(KERN_INFO, sd, "Attached scsi changer %s\n", ch->name); in ch_probe()
948 idr_remove(&ch_index_idr, ch->minor); in ch_probe()
950 kfree(ch); in ch_probe()
956 scsi_changer *ch = dev_get_drvdata(dev); in ch_remove() local
959 idr_remove(&ch_index_idr, ch->minor); in ch_remove()
962 device_destroy(ch_sysfs_class, MKDEV(SCSI_CHANGER_MAJOR,ch->minor)); in ch_remove()
963 kfree(ch->dt); in ch_remove()
964 kfree(ch); in ch_remove()