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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-01-02 16:12:48 +0100
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-01-02 16:12:48 +0100
commitebdab07dad3d3a008e519b0a028e1e1ad5ecaef0 (patch)
treef4ada61ebd953949b14ef75b3bfa8cb16002dc2f /drivers/ide/ide-sysfs.c
parent24630dc68a499baec367d24285bc6b92207cc100 (diff)
downloadlinux-stericsson-ebdab07dad3d3a008e519b0a028e1e1ad5ecaef0.tar.gz
ide: move sysfs support to ide-sysfs.c
While at it: - media_string() -> ide_media_string() There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-sysfs.c')
-rw-r--r--drivers/ide/ide-sysfs.c125
1 files changed, 125 insertions, 0 deletions
diff --git a/drivers/ide/ide-sysfs.c b/drivers/ide/ide-sysfs.c
new file mode 100644
index 000000000000..883ffacaf45a
--- /dev/null
+++ b/drivers/ide/ide-sysfs.c
@@ -0,0 +1,125 @@
+#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 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 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 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 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 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]);
+}
+
+struct device_attribute ide_dev_attrs[] = {
+ __ATTR_RO(media),
+ __ATTR_RO(drivename),
+ __ATTR_RO(modalias),
+ __ATTR_RO(model),
+ __ATTR_RO(firmware),
+ __ATTR(serial, 0400, serial_show, NULL),
+ __ATTR(unload_heads, 0644, ide_park_show, ide_park_store),
+ __ATTR_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;
+}