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