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path: root/include/linux/libata.h
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2010-01-12libata: retry link resume if necessaryTejun Heo1-0/+3
2009-12-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds1-1/+1
2009-12-04[SCSI] modify change_queue_depth to take in reason why it is being calledMike Christie1-1/+1
2009-12-03libata: add private driver field to struct ata_deviceBartlomiej Zolnierkiewicz1-0/+1
2009-12-03libata: retry failed FLUSH if device didn't fail itTejun Heo1-1/+1
2009-10-06libata: make gtf_filter per-devTejun Heo1-0/+1
2009-10-06libata: implement more acpi filtering optionsTejun Heo1-0/+2
2009-10-06libata: cosmetic updatesTejun Heo1-0/+9
2009-09-01libata: remove spindown skipping and warningTejun Heo1-1/+0
2009-09-01[libata] add DMA setup FIS auto-activate featureShaohua Li1-0/+2
2009-07-28libata: accept late unlocking of HPATejun Heo1-0/+1
2009-07-14libata: implement and use HORKAGE_NOSETXFER, take#2Tejun Heo1-0/+1
2009-04-16ata: Report 16/32bit PIO as best we canAlan Cox1-0/+8
2009-03-30trivial: Fix misspelling of firmwareNick Andrew1-1/+1
2009-03-24[libata] Improve timeout handlingAlan Cox1-0/+2
2009-03-24[libata] Drain data on errorsAlan Cox1-0/+3
2009-03-24[libata] Export ata_pio_queue_task() so that it can be used from sata_mv.Mark Lord1-0/+3
2009-03-05libata: align ap->sector_bufTejun Heo1-1/+2
2009-03-05libata: fix dma_unmap_sg misuseFUJITA Tomonori1-0/+1
2009-03-05libata: change drive ready wait after hard reset to 5sStuart Hayes1-1/+1
2009-02-02libata: implement HORKAGE_1_5_GBPS and apply it to WD My BookTejun Heo1-0/+1
2009-02-02libata: clear dev->ering in smarter wayTejun Heo1-8/+10
2009-01-27SATA: Blacklisting of systems that spin off disks during ACPI power offRafael J. Wysocki1-0/+2
2009-01-16libata: Add another column to the ata_timing table.David Daney1-3/+6
2009-01-16[libata] get-identity ioctl: Fix use of invalid memory pointerJeff Garzik1-0/+2
2009-01-10libata: Add a per-host flag to opt-in into parallel port probesArjan van de Ven1-0/+1
2009-01-08libata: Add 32bit PIO supportAlan Cox1-0/+3
2008-12-28libata: perform port detach in EHTejun Heo1-1/+2
2008-12-28libata: beef up iteratorsTejun Heo1-16/+52
2008-12-01libata: blacklist Seagate drives which time out FLUSH_CACHE when used with NCQTejun Heo1-0/+1
2008-11-10libata: revert convert-to-block-tagging patchesTejun Heo1-0/+1
2008-11-04libata: implement ATA_HORKAGE_ATAPI_MOD16_DMA and apply itTejun Heo1-0/+2
2008-10-31libata: add whitelist for devices with known good pata-sata bridgesJens Axboe1-0/+1
2008-10-23libata: switch to using block layer tagging supportJens Axboe1-1/+0
2008-10-22libata: transfer EHI control flags to slave ehc.iTejun Heo1-0/+3
2008-09-29libata: reorder ata_device to remove 8 bytes of padding on 64 bitsRichard Kennedy1-1/+1
2008-09-29libata: Implement disk shock protection supportElias Oltmanns1-2/+11
2008-09-29libata: implement slave_linkTejun Heo1-3/+5
2008-09-29libata: misc updates to prepare for slave linkTejun Heo1-2/+4
2008-09-29libata: reimplement link iteratorTejun Heo1-25/+8
2008-09-29libata: make SCR access ops per-linkTejun Heo1-2/+2
2008-08-22libata: Fix a large collection of DMA mode mismatchesAlan Cox1-0/+22
2008-08-22libata: restore SControl on detachTejun Heo1-0/+1
2008-08-22libata: implement no[hs]rst force paramsTejun Heo1-0/+1
2008-07-31pata_it821x: Driver updates and reworkingAlan Cox1-0/+3
2008-07-31libata.h: replace __FUNCTION__ with __func__Alexander Beregalov1-3/+3
2008-07-14libata/ahci: enclosure management supportKristen Carlson Accardi1-0/+21
2008-07-14libata: improve EH internal command timeout handlingTejun Heo1-1/+7
2008-07-14libata: improve EH retry delay handlingTejun Heo1-0/+2
2008-07-14libata: consistently use msecs for time durationsTejun Heo1-10/+16
Copyright © 1996 – 2026 Jason A. Donenfeld. All Rights Reverse Engineered.
classdev) { struct internal_container *ic = container_of(classdev, struct internal_container, classdev); return ic->cont; } EXPORT_SYMBOL_GPL(attribute_container_classdev_to_container); static LIST_HEAD(attribute_container_list); static DEFINE_MUTEX(attribute_container_mutex); /** * attribute_container_register - register an attribute container * * @cont: The container to register. This must be allocated by the * callee and should also be zeroed by it. */ int attribute_container_register(struct attribute_container *cont) { INIT_LIST_HEAD(&cont->node); klist_init(&cont->containers, internal_container_klist_get, internal_container_klist_put); mutex_lock(&attribute_container_mutex); list_add_tail(&cont->node, &attribute_container_list); mutex_unlock(&attribute_container_mutex); return 0; } EXPORT_SYMBOL_GPL(attribute_container_register); /** * attribute_container_unregister - remove a container registration * * @cont: previously registered container to remove */ int attribute_container_unregister(struct attribute_container *cont) { int retval = -EBUSY; mutex_lock(&attribute_container_mutex); spin_lock(&cont->containers.k_lock); if (!list_empty(&cont->containers.k_list)) goto out; retval = 0; list_del(&cont->node); out: spin_unlock(&cont->containers.k_lock); mutex_unlock(&attribute_container_mutex); return retval; } EXPORT_SYMBOL_GPL(attribute_container_unregister); /* private function used as class release */ static void attribute_container_release(struct device *classdev) { struct internal_container *ic = container_of(classdev, struct internal_container, classdev); struct device *dev = classdev->parent; kfree(ic); put_device(dev); } /** * attribute_container_add_device - see if any container is interested in dev * * @dev: device to add attributes to * @fn: function to trigger addition of class device. * * This function allocates storage for the class device(s) to be * attached to dev (one for each matching attribute_container). If no * fn is provided, the code will simply register the class device via * device_add. If a function is provided, it is expected to add * the class device at the appropriate time. One of the things that * might be necessary is to allocate and initialise the classdev and * then add it a later time. To do this, call this routine for * allocation and initialisation and then use * attribute_container_device_trigger() to call device_add() on * it. Note: after this, the class device contains a reference to dev * which is not relinquished until the release of the classdev. */ void attribute_container_add_device(struct device *dev, int (*fn)(struct attribute_container *, struct device *, struct device *)) { struct attribute_container *cont; mutex_lock(&attribute_container_mutex); list_for_each_entry(cont, &attribute_container_list, node) { struct internal_container *ic; if (attribute_container_no_classdevs(cont)) continue; if (!cont->match(cont, dev)) continue; ic = kzalloc(sizeof(*ic), GFP_KERNEL); if (!ic) { dev_err(dev, "failed to allocate class container\n"); continue; } ic->cont = cont; device_initialize(&ic->classdev); ic->classdev.parent = get_device(dev); ic->classdev.class = cont->class; cont->class->dev_release = attribute_container_release; dev_set_name(&ic->classdev, "%s", dev_name(dev)); if (fn) fn(cont, dev, &ic->classdev); else attribute_container_add_class_device(&ic->classdev); klist_add_tail(&ic->node, &cont->containers); } mutex_unlock(&attribute_container_mutex); } /* FIXME: can't break out of this unless klist_iter_exit is also * called before doing the break */ #define klist_for_each_entry(pos, head, member, iter) \ for (klist_iter_init(head, iter); (pos = ({ \ struct klist_node *n = klist_next(iter); \ n ? container_of(n, typeof(*pos), member) : \ ({ klist_iter_exit(iter) ; NULL; }); \ })) != NULL;) /** * attribute_container_remove_device - make device eligible for removal. * * @dev: The generic device * @fn: A function to call to remove the device * * This routine triggers device removal. If fn is NULL, then it is * simply done via device_unregister (note that if something * still has a reference to the classdev, then the memory occupied * will not be freed until the classdev is released). If you want a * two phase release: remove from visibility and then delete the * device, then you should use this routine with a fn that calls * device_del() and then use attribute_container_device_trigger() * to do the final put on the classdev. */ void attribute_container_remove_device(struct device *dev, void (*fn)(struct attribute_container *, struct device *, struct device *)) { struct attribute_container *cont; mutex_lock(&attribute_container_mutex); list_for_each_entry(cont, &attribute_container_list, node) { struct internal_container *ic; struct klist_iter iter; if (attribute_container_no_classdevs(cont)) continue; if (!cont->match(cont, dev)) continue; klist_for_each_entry(ic, &cont->containers, node, &iter) { if (dev != ic->classdev.parent) continue; klist_del(&ic->node); if (fn) fn(cont, dev, &ic->classdev); else { attribute_container_remove_attrs(&ic->classdev); device_unregister(&ic->classdev); } } } mutex_unlock(&attribute_container_mutex); } /** * attribute_container_device_trigger - execute a trigger for each matching classdev * * @dev: The generic device to run the trigger for * @fn the function to execute for each classdev. * * This function is for executing a trigger when you need to know both * the container and the classdev. If you only care about the * container, then use attribute_container_trigger() instead. */ void attribute_container_device_trigger(struct device *dev, int (*fn)(struct attribute_container *, struct device *, struct device *)) { struct attribute_container *cont; mutex_lock(&attribute_container_mutex); list_for_each_entry(cont, &attribute_container_list, node) { struct internal_container *ic; struct klist_iter iter; if (!cont->match(cont, dev)) continue; if (attribute_container_no_classdevs(cont)) { fn(cont, dev, NULL); continue; } klist_for_each_entry(ic, &cont->containers, node, &iter) { if (dev == ic->classdev.parent) fn(cont, dev, &ic->classdev); } } mutex_unlock(&attribute_container_mutex); } /** * attribute_container_trigger - trigger a function for each matching container * * @dev: The generic device to activate the trigger for * @fn: the function to trigger * * This routine triggers a function that only needs to know the * matching containers (not the classdev) associated with a device. * It is more lightweight than attribute_container_device_trigger, so * should be used in preference unless the triggering function * actually needs to know the classdev. */ void attribute_container_trigger(struct device *dev, int (*fn)(struct attribute_container *, struct device *)) { struct attribute_container *cont; mutex_lock(&attribute_container_mutex); list_for_each_entry(cont, &attribute_container_list, node) { if (cont->match(cont, dev)) fn(cont, dev); } mutex_unlock(&attribute_container_mutex); } /** * attribute_container_add_attrs - add attributes * * @classdev: The class device * * This simply creates all the class device sysfs files from the * attributes listed in the container */ int attribute_container_add_attrs(struct device *classdev) { struct attribute_container *cont = attribute_container_classdev_to_container(classdev); struct device_attribute **attrs = cont->attrs; int i, error; BUG_ON(attrs && cont->grp); if (!attrs && !cont->grp) return 0; if (cont->grp) return sysfs_create_group(&classdev->kobj, cont->grp); for (i = 0; attrs[i]; i++) { sysfs_attr_init(&attrs[i]->attr); error = device_create_file(classdev, attrs[i]); if (error) return error; } return 0; } /** * attribute_container_add_class_device - same function as device_add * * @classdev: the class device to add * * This performs essentially the same function as device_add except for * attribute containers, namely add the classdev to the system and then * create the attribute files */ int attribute_container_add_class_device(struct device *classdev) { int error = device_add(classdev); if (error) return error; return attribute_container_add_attrs(classdev); } /** * attribute_container_add_class_device_adapter - simple adapter for triggers * * This function is identical to attribute_container_add_class_device except * that it is designed to be called from the triggers */ int attribute_container_add_class_device_adapter(struct attribute_container *cont, struct device *dev, struct device *classdev) { return attribute_container_add_class_device(classdev); } /** * attribute_container_remove_attrs - remove any attribute files * * @classdev: The class device to remove the files from * */ void attribute_container_remove_attrs(struct device *classdev) { struct attribute_container *cont = attribute_container_classdev_to_container(classdev); struct device_attribute **attrs = cont->attrs; int i; if (!attrs && !cont->grp) return; if (cont->grp) { sysfs_remove_group(&classdev->kobj, cont->grp); return ; } for (i = 0; attrs[i]; i++) device_remove_file(classdev, attrs[i]); } /** * attribute_container_class_device_del - equivalent of class_device_del * * @classdev: the class device * * This function simply removes all the attribute files and then calls * device_del. */ void attribute_container_class_device_del(struct device *classdev) { attribute_container_remove_attrs(classdev); device_del(classdev); } /** * attribute_container_find_class_device - find the corresponding class_device * * @cont: the container * @dev: the generic device * * Looks up the device in the container's list of class devices and returns * the corresponding class_device. */ struct device * attribute_container_find_class_device(struct attribute_container *cont, struct device *dev) { struct device *cdev = NULL; struct internal_container *ic; struct klist_iter iter; klist_for_each_entry(ic, &cont->containers, node, &iter) { if (ic->classdev.parent == dev) { cdev = &ic->classdev; /* FIXME: must exit iterator then break */ klist_iter_exit(&iter); break; } } return cdev; } EXPORT_SYMBOL_GPL(attribute_container_find_class_device);