Lines Matching refs:sdp
196 static Sg_fd *sg_add_sfp(Sg_device * sdp);
209 #define sg_printk(prefix, sdp, fmt, a...) \ argument
210 sdev_prefix_printk(prefix, (sdp)->device, \
211 (sdp)->disk->disk_name, fmt, ##a)
251 open_wait(Sg_device *sdp, int flags) in open_wait() argument
256 while (sdp->open_cnt > 0) { in open_wait()
257 mutex_unlock(&sdp->open_rel_lock); in open_wait()
258 retval = wait_event_interruptible(sdp->open_wait, in open_wait()
259 (atomic_read(&sdp->detaching) || in open_wait()
260 !sdp->open_cnt)); in open_wait()
261 mutex_lock(&sdp->open_rel_lock); in open_wait()
265 if (atomic_read(&sdp->detaching)) in open_wait()
269 while (sdp->exclude) { in open_wait()
270 mutex_unlock(&sdp->open_rel_lock); in open_wait()
271 retval = wait_event_interruptible(sdp->open_wait, in open_wait()
272 (atomic_read(&sdp->detaching) || in open_wait()
273 !sdp->exclude)); in open_wait()
274 mutex_lock(&sdp->open_rel_lock); in open_wait()
278 if (atomic_read(&sdp->detaching)) in open_wait()
293 Sg_device *sdp; in sg_open() local
300 sdp = sg_get_dev(dev); in sg_open()
301 if (IS_ERR(sdp)) in sg_open()
302 return PTR_ERR(sdp); in sg_open()
304 SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp, in sg_open()
309 retval = scsi_device_get(sdp->device); in sg_open()
313 retval = scsi_autopm_get_device(sdp->device); in sg_open()
321 scsi_block_when_processing_errors(sdp->device))) { in sg_open()
327 mutex_lock(&sdp->open_rel_lock); in sg_open()
330 if (sdp->open_cnt > 0) { in sg_open()
335 if (sdp->exclude) { in sg_open()
341 retval = open_wait(sdp, flags); in sg_open()
348 sdp->exclude = true; in sg_open()
350 if (sdp->open_cnt < 1) { /* no existing opens */ in sg_open()
351 sdp->sgdebug = 0; in sg_open()
352 q = sdp->device->request_queue; in sg_open()
353 sdp->sg_tablesize = queue_max_segments(q); in sg_open()
355 sfp = sg_add_sfp(sdp); in sg_open()
362 sdp->open_cnt++; in sg_open()
363 mutex_unlock(&sdp->open_rel_lock); in sg_open()
367 kref_put(&sdp->d_ref, sg_device_destroy); in sg_open()
372 sdp->exclude = false; /* undo if error */ in sg_open()
373 wake_up_interruptible(&sdp->open_wait); in sg_open()
376 mutex_unlock(&sdp->open_rel_lock); in sg_open()
378 scsi_autopm_put_device(sdp->device); in sg_open()
380 scsi_device_put(sdp->device); in sg_open()
389 Sg_device *sdp; in sg_release() local
392 if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp))) in sg_release()
394 SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp, "sg_release\n")); in sg_release()
396 mutex_lock(&sdp->open_rel_lock); in sg_release()
397 scsi_autopm_put_device(sdp->device); in sg_release()
399 sdp->open_cnt--; in sg_release()
403 if (sdp->exclude) { in sg_release()
404 sdp->exclude = false; in sg_release()
405 wake_up_interruptible_all(&sdp->open_wait); in sg_release()
406 } else if (0 == sdp->open_cnt) { in sg_release()
407 wake_up_interruptible(&sdp->open_wait); in sg_release()
409 mutex_unlock(&sdp->open_rel_lock); in sg_release()
416 Sg_device *sdp; in sg_read() local
432 if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp))) in sg_read()
434 SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp, in sg_read()
469 if (atomic_read(&sdp->detaching)) { in sg_read()
478 (atomic_read(&sdp->detaching) || in sg_read()
480 if (atomic_read(&sdp->detaching)) { in sg_read()
613 Sg_device *sdp; in sg_write() local
625 if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp))) in sg_write()
627 SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp, in sg_write()
629 if (atomic_read(&sdp->detaching)) in sg_write()
632 scsi_block_when_processing_errors(sdp->device))) in sg_write()
649 SCSI_LOG_TIMEOUT(1, sg_printk(KERN_INFO, sdp, in sg_write()
665 SCSI_LOG_TIMEOUT(4, sg_printk(KERN_INFO, sdp, in sg_write()
796 Sg_device *sdp = sfp->parentdp; in sg_common_write() local
822 if (atomic_read(&sdp->detaching)) { in sg_common_write()
843 blk_execute_rq_nowait(sdp->device->request_queue, sdp->disk, in sg_common_write()
907 Sg_device *sdp; in sg_ioctl() local
912 if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp))) in sg_ioctl()
915 SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp, in sg_ioctl()
921 if (atomic_read(&sdp->detaching)) in sg_ioctl()
923 if (!scsi_block_when_processing_errors(sdp->device)) in sg_ioctl()
932 (srp_done(sfp, srp) || atomic_read(&sdp->detaching))); in sg_ioctl()
933 if (atomic_read(&sdp->detaching)) in sg_ioctl()
969 return put_user((int) sdp->device->host->unchecked_isa_dma, ip); in sg_ioctl()
976 if (atomic_read(&sdp->detaching)) in sg_ioctl()
978 __put_user((int) sdp->device->host->host_no, in sg_ioctl()
980 __put_user((int) sdp->device->channel, in sg_ioctl()
982 __put_user((int) sdp->device->id, &sg_idp->scsi_id); in sg_ioctl()
983 __put_user((int) sdp->device->lun, &sg_idp->lun); in sg_ioctl()
984 __put_user((int) sdp->device->type, &sg_idp->scsi_type); in sg_ioctl()
985 __put_user((short) sdp->device->host->cmd_per_lun, in sg_ioctl()
987 __put_user((short) sdp->device->queue_depth, in sg_ioctl()
1024 return put_user(sdp->sg_tablesize, ip); in sg_ioctl()
1032 max_sectors_bytes(sdp->device->request_queue)); in sg_ioctl()
1048 max_sectors_bytes(sdp->device->request_queue)); in sg_ioctl()
1078 val = (sdp->device ? 1 : 0); in sg_ioctl()
1100 if (atomic_read(&sdp->detaching)) in sg_ioctl()
1102 return put_user(sdp->device->host->hostt->emulated, ip); in sg_ioctl()
1104 if (atomic_read(&sdp->detaching)) in sg_ioctl()
1106 return sg_scsi_ioctl(sdp->device->request_queue, NULL, filp->f_mode, p); in sg_ioctl()
1111 sdp->sgdebug = (char) val; in sg_ioctl()
1114 return put_user(max_sectors_bytes(sdp->device->request_queue), in sg_ioctl()
1117 return blk_trace_setup(sdp->device->request_queue, in sg_ioctl()
1118 sdp->disk->disk_name, in sg_ioctl()
1119 MKDEV(SCSI_GENERIC_MAJOR, sdp->index), in sg_ioctl()
1122 return blk_trace_startstop(sdp->device->request_queue, 1); in sg_ioctl()
1124 return blk_trace_startstop(sdp->device->request_queue, 0); in sg_ioctl()
1126 return blk_trace_remove(sdp->device->request_queue); in sg_ioctl()
1132 if (atomic_read(&sdp->detaching)) in sg_ioctl()
1141 result = scsi_ioctl_block_when_processing_errors(sdp->device, in sg_ioctl()
1145 return scsi_ioctl(sdp->device, cmd_in, p); in sg_ioctl()
1151 Sg_device *sdp; in sg_compat_ioctl() local
1155 if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp))) in sg_compat_ioctl()
1158 sdev = sdp->device; in sg_compat_ioctl()
1175 Sg_device *sdp; in sg_poll() local
1184 sdp = sfp->parentdp; in sg_poll()
1185 if (!sdp) in sg_poll()
1197 if (atomic_read(&sdp->detaching)) in sg_poll()
1204 SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp, in sg_poll()
1212 Sg_device *sdp; in sg_fasync() local
1215 if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp))) in sg_fasync()
1217 SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp, in sg_fasync()
1325 Sg_device *sdp; in sg_rq_end_io() local
1339 sdp = sfp->parentdp; in sg_rq_end_io()
1340 if (unlikely(atomic_read(&sdp->detaching))) in sg_rq_end_io()
1347 SCSI_LOG_TIMEOUT(4, sg_printk(KERN_INFO, sdp, in sg_rq_end_io()
1362 if ((sdp->sgdebug > 0) && in sg_rq_end_io()
1365 __scsi_print_sense(sdp->device, __func__, sense, in sg_rq_end_io()
1373 && sdp->device->removable) { in sg_rq_end_io()
1376 sdp->device->changed = 1; in sg_rq_end_io()
1442 Sg_device *sdp; in sg_alloc() local
1447 sdp = kzalloc(sizeof(Sg_device), GFP_KERNEL); in sg_alloc()
1448 if (!sdp) { in sg_alloc()
1457 error = idr_alloc(&sg_index_idr, sdp, 0, SG_MAX_DEVS, GFP_NOWAIT); in sg_alloc()
1477 sdp->disk = disk; in sg_alloc()
1478 sdp->device = scsidp; in sg_alloc()
1479 mutex_init(&sdp->open_rel_lock); in sg_alloc()
1480 INIT_LIST_HEAD(&sdp->sfds); in sg_alloc()
1481 init_waitqueue_head(&sdp->open_wait); in sg_alloc()
1482 atomic_set(&sdp->detaching, 0); in sg_alloc()
1483 rwlock_init(&sdp->sfd_lock); in sg_alloc()
1484 sdp->sg_tablesize = queue_max_segments(q); in sg_alloc()
1485 sdp->index = k; in sg_alloc()
1486 kref_init(&sdp->d_ref); in sg_alloc()
1494 kfree(sdp); in sg_alloc()
1497 return sdp; in sg_alloc()
1505 Sg_device *sdp = NULL; in sg_add_device() local
1526 sdp = sg_alloc(disk, scsidp); in sg_add_device()
1527 if (IS_ERR(sdp)) { in sg_add_device()
1529 error = PTR_ERR(sdp); in sg_add_device()
1533 error = cdev_add(cdev, MKDEV(SCSI_GENERIC_MAJOR, sdp->index), 1); in sg_add_device()
1537 sdp->cdev = cdev; in sg_add_device()
1543 sdp->index), in sg_add_device()
1544 sdp, "%s", disk->disk_name); in sg_add_device()
1554 "to sg%d\n", __func__, sdp->index); in sg_add_device()
1559 "type %d\n", sdp->index, scsidp->type); in sg_add_device()
1561 dev_set_drvdata(cl_dev, sdp); in sg_add_device()
1567 idr_remove(&sg_index_idr, sdp->index); in sg_add_device()
1569 kfree(sdp); in sg_add_device()
1581 struct sg_device *sdp = container_of(kref, struct sg_device, d_ref); in sg_device_destroy() local
1590 idr_remove(&sg_index_idr, sdp->index); in sg_device_destroy()
1594 sg_printk(KERN_INFO, sdp, "sg_device_destroy\n")); in sg_device_destroy()
1596 put_disk(sdp->disk); in sg_device_destroy()
1597 kfree(sdp); in sg_device_destroy()
1604 Sg_device *sdp = dev_get_drvdata(cl_dev); in sg_remove_device() local
1609 if (!sdp) in sg_remove_device()
1612 val = atomic_inc_return(&sdp->detaching); in sg_remove_device()
1616 SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp, in sg_remove_device()
1619 read_lock_irqsave(&sdp->sfd_lock, iflags); in sg_remove_device()
1620 list_for_each_entry(sfp, &sdp->sfds, sfd_siblings) { in sg_remove_device()
1624 wake_up_interruptible_all(&sdp->open_wait); in sg_remove_device()
1625 read_unlock_irqrestore(&sdp->sfd_lock, iflags); in sg_remove_device()
1628 device_destroy(sg_sysfs_class, MKDEV(SCSI_GENERIC_MAJOR, sdp->index)); in sg_remove_device()
1629 cdev_del(sdp->cdev); in sg_remove_device()
1630 sdp->cdev = NULL; in sg_remove_device()
1632 kref_put(&sdp->d_ref, sg_device_destroy); in sg_remove_device()
1879 struct sg_device *sdp = sfp->parentdp; in sg_build_indirect() local
1905 if (sdp->device->host->unchecked_isa_dma) in sg_build_indirect()
2148 sg_add_sfp(Sg_device * sdp) in sg_add_sfp() argument
2168 sfp->parentdp = sdp; in sg_add_sfp()
2169 write_lock_irqsave(&sdp->sfd_lock, iflags); in sg_add_sfp()
2170 if (atomic_read(&sdp->detaching)) { in sg_add_sfp()
2171 write_unlock_irqrestore(&sdp->sfd_lock, iflags); in sg_add_sfp()
2175 list_add_tail(&sfp->sfd_siblings, &sdp->sfds); in sg_add_sfp()
2176 write_unlock_irqrestore(&sdp->sfd_lock, iflags); in sg_add_sfp()
2177 SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp, in sg_add_sfp()
2183 max_sectors_bytes(sdp->device->request_queue)); in sg_add_sfp()
2185 SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp, in sg_add_sfp()
2190 kref_get(&sdp->d_ref); in sg_add_sfp()
2199 struct sg_device *sdp = sfp->parentdp; in sg_remove_sfp_usercontext() local
2214 SCSI_LOG_TIMEOUT(6, sg_printk(KERN_INFO, sdp, in sg_remove_sfp_usercontext()
2221 SCSI_LOG_TIMEOUT(6, sg_printk(KERN_INFO, sdp, in sg_remove_sfp_usercontext()
2225 scsi_device_put(sdp->device); in sg_remove_sfp_usercontext()
2226 kref_put(&sdp->d_ref, sg_device_destroy); in sg_remove_sfp_usercontext()
2234 struct sg_device *sdp = sfp->parentdp; in sg_remove_sfp() local
2237 write_lock_irqsave(&sdp->sfd_lock, iflags); in sg_remove_sfp()
2239 write_unlock_irqrestore(&sdp->sfd_lock, iflags); in sg_remove_sfp()
2279 struct sg_device *sdp; in sg_get_dev() local
2283 sdp = sg_lookup_dev(dev); in sg_get_dev()
2284 if (!sdp) in sg_get_dev()
2285 sdp = ERR_PTR(-ENXIO); in sg_get_dev()
2286 else if (atomic_read(&sdp->detaching)) { in sg_get_dev()
2290 sdp = ERR_PTR(-ENODEV); in sg_get_dev()
2292 kref_get(&sdp->d_ref); in sg_get_dev()
2295 return sdp; in sg_get_dev()
2475 Sg_device *sdp; in sg_proc_seq_show_dev() local
2480 sdp = it ? sg_lookup_dev(it->index) : NULL; in sg_proc_seq_show_dev()
2481 if ((NULL == sdp) || (NULL == sdp->device) || in sg_proc_seq_show_dev()
2482 (atomic_read(&sdp->detaching))) in sg_proc_seq_show_dev()
2485 scsidp = sdp->device; in sg_proc_seq_show_dev()
2501 Sg_device *sdp; in sg_proc_seq_show_devstrs() local
2506 sdp = it ? sg_lookup_dev(it->index) : NULL; in sg_proc_seq_show_devstrs()
2507 scsidp = sdp ? sdp->device : NULL; in sg_proc_seq_show_devstrs()
2508 if (sdp && scsidp && (!atomic_read(&sdp->detaching))) in sg_proc_seq_show_devstrs()
2518 static void sg_proc_debug_helper(struct seq_file *s, Sg_device * sdp) in sg_proc_debug_helper() argument
2528 list_for_each_entry(fp, &sdp->sfds, sfd_siblings) { in sg_proc_debug_helper()
2536 (int) sdp->device->host->unchecked_isa_dma); in sg_proc_debug_helper()
2584 Sg_device *sdp; in sg_proc_seq_show_debug() local
2592 sdp = it ? sg_lookup_dev(it->index) : NULL; in sg_proc_seq_show_debug()
2593 if (NULL == sdp) in sg_proc_seq_show_debug()
2595 read_lock(&sdp->sfd_lock); in sg_proc_seq_show_debug()
2596 if (!list_empty(&sdp->sfds)) { in sg_proc_seq_show_debug()
2597 seq_printf(s, " >>> device=%s ", sdp->disk->disk_name); in sg_proc_seq_show_debug()
2598 if (atomic_read(&sdp->detaching)) in sg_proc_seq_show_debug()
2600 else if (sdp->device) { in sg_proc_seq_show_debug()
2601 struct scsi_device *scsidp = sdp->device; in sg_proc_seq_show_debug()
2610 sdp->sg_tablesize, sdp->exclude, sdp->open_cnt); in sg_proc_seq_show_debug()
2611 sg_proc_debug_helper(s, sdp); in sg_proc_seq_show_debug()
2613 read_unlock(&sdp->sfd_lock); in sg_proc_seq_show_debug()