// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/ide.h> char *ide_media_string(ide_drive_t *drive) { switch (drive->media) { case ide_disk: return "disk"; case ide_cdrom: return "cdrom"; case ide_tape: return "tape"; case ide_floppy: return "floppy"; case ide_optical: return "optical"; default: return "UNKNOWN"; } } static ssize_t media_show(struct device *dev, struct device_attribute *attr, char *buf) { ide_drive_t *drive = to_ide_device(dev); return sprintf(buf, "%s\n", ide_media_string(drive)); } static DEVICE_ATTR_RO(media); static ssize_t drivename_show(struct device *dev, struct device_attribute *attr, char *buf) { ide_drive_t *drive = to_ide_device(dev); return sprintf(buf, "%s\n", drive->name); } static DEVICE_ATTR_RO(drivename); static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf) { ide_drive_t *drive = to_ide_device(dev); return sprintf(buf, "ide:m-%s\n", ide_media_string(drive)); } static DEVICE_ATTR_RO(modalias); static ssize_t model_show(struct device *dev, struct device_attribute *attr, char *buf) { ide_drive_t *drive = to_ide_device(dev); return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_PROD]); } static DEVICE_ATTR_RO(model); static ssize_t firmware_show(struct device *dev, struct device_attribute *attr, char *buf) { ide_drive_t *drive = to_ide_device(dev); return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_FW_REV]); } static DEVICE_ATTR_RO(firmware); static ssize_t serial_show(struct device *dev, struct device_attribute *attr, char *buf) { ide_drive_t *drive = to_ide_device(dev); return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_SERNO]); } static DEVICE_ATTR(serial, 0400, serial_show, NULL); static DEVICE_ATTR(unload_heads, 0644, ide_park_show, ide_park_store); static struct attribute *ide_attrs[] = { &dev_attr_media.attr, &dev_attr_drivename.attr, &dev_attr_modalias.attr, &dev_attr_model.attr, &dev_attr_firmware.attr, &dev_attr_serial.attr, &dev_attr_unload_heads.attr, NULL, }; static const struct attribute_group ide_attr_group = { .attrs = ide_attrs, }; const struct attribute_group *ide_dev_groups[] = { &ide_attr_group, NULL, }; static ssize_t store_delete_devices(struct device *portdev, struct device_attribute *attr, const char *buf, size_t n) { ide_hwif_t *hwif = dev_get_drvdata(portdev); if (strncmp(buf, "1", n)) return -EINVAL; ide_port_unregister_devices(hwif); return n; }; static DEVICE_ATTR(delete_devices, S_IWUSR, NULL, store_delete_devices); static ssize_t store_scan(struct device *portdev, struct device_attribute *attr, const char *buf, size_t n) { ide_hwif_t *hwif = dev_get_drvdata(portdev); if (strncmp(buf, "1", n)) return -EINVAL; ide_port_unregister_devices(hwif); ide_port_scan(hwif); return n; }; static DEVICE_ATTR(scan, S_IWUSR, NULL, store_scan); static struct device_attribute *ide_port_attrs[] = { &dev_attr_delete_devices, &dev_attr_scan, NULL }; int ide_sysfs_register_port(ide_hwif_t *hwif) { int i, uninitialized_var(rc); for (i = 0; ide_port_attrs[i]; i++) { rc = device_create_file(hwif->portdev, ide_port_attrs[i]); if (rc) break; } return rc; }