Lines Matching refs:feature
22 * when adding a new feature dev support in DFL framework, it's required to
28 * if the new feature dev needs chardev support, then it's required to add
47 * dfl_dev_info - dfl feature device information.
48 * @name: name string of the feature platform device.
50 * @id: idr id of the feature dev.
69 * dfl_chardev_info - chardev information of dfl feature device
144 * in such list, then other feature devices (e.g. FME), could use the port
354 struct dfl_feature *feature)
383 ddev->feature_id = feature->id;
387 parent_res = &pdev->resource[feature->resource_index];
400 if (feature->nr_irqs) {
401 ddev->irqs = kcalloc(feature->nr_irqs,
408 for (i = 0; i < feature->nr_irqs; i++)
409 ddev->irqs[i] = feature->irq_ctx[i].irq;
411 ddev->num_irqs = feature->nr_irqs;
429 struct dfl_feature *feature;
431 dfl_fpga_dev_for_each_feature(pdata, feature) {
432 if (feature->ddev) {
433 device_unregister(&feature->ddev->dev);
434 feature->ddev = NULL;
441 struct dfl_feature *feature;
445 dfl_fpga_dev_for_each_feature(pdata, feature) {
446 if (feature->ioaddr)
449 if (feature->ddev) {
454 ddev = dfl_dev_add(pdata, feature);
460 feature->ddev = ddev;
488 #define is_header_feature(feature) ((feature)->id == FEATURE_ID_FIU_HEADER)
491 * dfl_fpga_dev_feature_uinit - uinit for sub features of dfl feature device
492 * @pdev: feature device.
497 struct dfl_feature *feature;
501 dfl_fpga_dev_for_each_feature(pdata, feature) {
502 if (feature->ops) {
503 if (feature->ops->uinit)
504 feature->ops->uinit(pdev, feature);
505 feature->ops = NULL;
513 struct dfl_feature *feature,
519 if (!is_header_feature(feature)) {
521 feature->resource_index);
524 "ioremap failed for feature 0x%x!\n",
525 feature->id);
529 feature->ioaddr = base;
533 ret = drv->ops->init(pdev, feature);
538 feature->ops = drv->ops;
543 static bool dfl_feature_drv_match(struct dfl_feature *feature,
550 if (ids->id == feature->id)
559 * dfl_fpga_dev_feature_init - init for sub features of dfl feature device
560 * @pdev: feature device.
563 * This function will match sub features with given feature drvs list and
564 * use matched drv to init related sub feature.
573 struct dfl_feature *feature;
577 dfl_fpga_dev_for_each_feature(pdata, feature) {
578 if (dfl_feature_drv_match(feature, drv)) {
580 feature, drv);
638 * dfl_fpga_dev_ops_register - register cdev ops for feature dev
640 * @pdev: feature dev.
641 * @fops: file operations for feature dev's cdev.
656 * set parent to the feature device so that its refcount is
658 * makes sure the feature device is valid during device
668 * dfl_fpga_dev_ops_unregister - unregister cdev ops for feature dev
669 * @pdev: feature dev.
680 * struct build_feature_devs_info - info collected during feature dev build.
683 * @cdev: the container device for all feature devices.
684 * @nr_irqs: number of irqs for all feature devices.
687 * @feature_dev: current feature device.
691 * @sub_features: a sub features linked list for feature device in enumeration.
692 * @feature_num: number of sub features for feature device in enumeration.
709 * struct dfl_feature_info - sub feature info collected during feature dev build
711 * @fid: id of this sub feature.
712 * @mmio_res: mmio resource of this sub feature.
715 * @irq_base: start of irq index in this sub feature.
716 * @nr_irqs: number of irqs of this sub feature.
739 * register current feature device, it is called when we need to switch to
740 * another feature parsing or we have parsed all features on given device
741 * feature list.
783 /* each sub feature has one MMIO resource */
790 /* fill features and resource information for feature dev */
792 struct dfl_feature *feature = &pdata->features[index++];
796 /* save resource information for each feature */
797 feature->dev = fdev;
798 feature->id = finfo->fid;
801 * the FIU header feature has some fundamental functions (sriov
804 * DFL bus device. And we should not assign it to feature
807 if (is_header_feature(feature)) {
808 feature->resource_index = -1;
809 feature->ioaddr =
812 if (IS_ERR(feature->ioaddr))
813 return PTR_ERR(feature->ioaddr);
815 feature->resource_index = res_idx;
829 feature->irq_ctx = ctx;
830 feature->nr_irqs = finfo->nr_irqs;
848 * The resource of successfully registered feature devices
950 * each feature in DFL Header, no field for interrupt resources.
952 * registers of each private feature which supports interrupt. So in
985 dev_dbg(binfo->dev, "feature: 0x%x, irq_base: %u, nr_irqs: %u\n",
990 "Invalid interrupt number in feature 0x%x\n", fid);
998 "Invalid irq table entry for feature 0x%x\n",
1011 * when create sub feature instances, for private features, it doesn't need
1012 * to provide resource size and feature id as they could be read from DFH
1013 * register. For afu sub feature, its register region only contains user
1025 /* read feature size and id if inputs are invalid */
1141 /* create platform device for dfl feature dev */
1168 dev_err(binfo->dev, "the private feature 0x%x does not belong to any AFU.\n",
1177 * parse_feature - parse a feature on given device feature list
1179 * @binfo: build feature devices information.
1218 /* walk through the device feature list via DFH's next DFH pointer. */
1221 dev_err(binfo->dev, "The region is too small to contain a feature.\n");
1237 /* commit current feature device when reach the end of list */
1275 /* remove all device feature lists in the list. */
1291 * dfl_fpga_enum_info_add_dfl - add info of a device feature list to enum info
1294 * @start: mmio resource address of the device feature list.
1295 * @len: mmio resource length of the device feature list.
1379 * dfl_fpga_feature_devs_enumerate - enumerate feature devices
1383 * feature devices based on the enumeration info and creates platform devices
1432 * start enumeration for all feature devices based on Device Feature
1457 * dfl_fpga_feature_devs_remove - remove all feature devices
1460 * Remove the container device and all feature devices under given container
1727 static int do_set_irq_trigger(struct dfl_feature *feature, unsigned int idx,
1730 struct platform_device *pdev = feature->dev;
1734 irq = feature->irq_ctx[idx].irq;
1736 if (feature->irq_ctx[idx].trigger) {
1737 free_irq(irq, feature->irq_ctx[idx].trigger);
1738 kfree(feature->irq_ctx[idx].name);
1739 eventfd_ctx_put(feature->irq_ctx[idx].trigger);
1740 feature->irq_ctx[idx].trigger = NULL;
1746 feature->irq_ctx[idx].name =
1748 dev_name(&pdev->dev), feature->id);
1749 if (!feature->irq_ctx[idx].name)
1759 feature->irq_ctx[idx].name, trigger);
1761 feature->irq_ctx[idx].trigger = trigger;
1767 kfree(feature->irq_ctx[idx].name);
1773 * dfl_fpga_set_irq_triggers - set eventfd triggers for dfl feature interrupts
1775 * @feature: dfl sub feature.
1776 * @start: start of irq index in this dfl sub feature.
1781 * Bind given eventfds with irqs in this dfl sub feature. Unbind related irq if
1787 int dfl_fpga_set_irq_triggers(struct dfl_feature *feature, unsigned int start,
1798 if (start + count > feature->nr_irqs)
1804 ret = do_set_irq_trigger(feature, start + i, fd);
1807 do_set_irq_trigger(feature, start + i, -1);
1817 * dfl_feature_ioctl_get_num_irqs - dfl feature _GET_IRQ_NUM ioctl interface.
1818 * @pdev: the feature device which has the sub feature
1819 * @feature: the dfl sub feature
1825 struct dfl_feature *feature,
1828 return put_user(feature->nr_irqs, (__u32 __user *)arg);
1833 * dfl_feature_ioctl_set_irq - dfl feature _SET_IRQ ioctl interface.
1834 * @pdev: the feature device which has the sub feature
1835 * @feature: the dfl sub feature
1841 struct dfl_feature *feature,
1849 if (!feature->nr_irqs)
1855 if (!hdr.count || (hdr.start + hdr.count > feature->nr_irqs) ||
1865 ret = dfl_fpga_set_irq_triggers(feature, hdr.start, hdr.count, fds);