1#include <linux/kernel.h> 2#include <linux/ide.h> 3 4char *ide_media_string(ide_drive_t *drive) 5{ 6 switch (drive->media) { 7 case ide_disk: 8 return "disk"; 9 case ide_cdrom: 10 return "cdrom"; 11 case ide_tape: 12 return "tape"; 13 case ide_floppy: 14 return "floppy"; 15 case ide_optical: 16 return "optical"; 17 default: 18 return "UNKNOWN"; 19 } 20} 21 22static ssize_t media_show(struct device *dev, struct device_attribute *attr, 23 char *buf) 24{ 25 ide_drive_t *drive = to_ide_device(dev); 26 return sprintf(buf, "%s\n", ide_media_string(drive)); 27} 28static DEVICE_ATTR_RO(media); 29 30static ssize_t drivename_show(struct device *dev, struct device_attribute *attr, 31 char *buf) 32{ 33 ide_drive_t *drive = to_ide_device(dev); 34 return sprintf(buf, "%s\n", drive->name); 35} 36static DEVICE_ATTR_RO(drivename); 37 38static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, 39 char *buf) 40{ 41 ide_drive_t *drive = to_ide_device(dev); 42 return sprintf(buf, "ide:m-%s\n", ide_media_string(drive)); 43} 44static DEVICE_ATTR_RO(modalias); 45 46static ssize_t model_show(struct device *dev, struct device_attribute *attr, 47 char *buf) 48{ 49 ide_drive_t *drive = to_ide_device(dev); 50 return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_PROD]); 51} 52static DEVICE_ATTR_RO(model); 53 54static ssize_t firmware_show(struct device *dev, struct device_attribute *attr, 55 char *buf) 56{ 57 ide_drive_t *drive = to_ide_device(dev); 58 return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_FW_REV]); 59} 60static DEVICE_ATTR_RO(firmware); 61 62static ssize_t serial_show(struct device *dev, struct device_attribute *attr, 63 char *buf) 64{ 65 ide_drive_t *drive = to_ide_device(dev); 66 return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_SERNO]); 67} 68static DEVICE_ATTR(serial, 0400, serial_show, NULL); 69 70static DEVICE_ATTR(unload_heads, 0644, ide_park_show, ide_park_store); 71 72static struct attribute *ide_attrs[] = { 73 &dev_attr_media.attr, 74 &dev_attr_drivename.attr, 75 &dev_attr_modalias.attr, 76 &dev_attr_model.attr, 77 &dev_attr_firmware.attr, 78 &dev_attr_serial.attr, 79 &dev_attr_unload_heads.attr, 80 NULL, 81}; 82 83static const struct attribute_group ide_attr_group = { 84 .attrs = ide_attrs, 85}; 86 87const struct attribute_group *ide_dev_groups[] = { 88 &ide_attr_group, 89 NULL, 90}; 91 92static ssize_t store_delete_devices(struct device *portdev, 93 struct device_attribute *attr, 94 const char *buf, size_t n) 95{ 96 ide_hwif_t *hwif = dev_get_drvdata(portdev); 97 98 if (strncmp(buf, "1", n)) 99 return -EINVAL; 100 101 ide_port_unregister_devices(hwif); 102 103 return n; 104}; 105 106static DEVICE_ATTR(delete_devices, S_IWUSR, NULL, store_delete_devices); 107 108static ssize_t store_scan(struct device *portdev, 109 struct device_attribute *attr, 110 const char *buf, size_t n) 111{ 112 ide_hwif_t *hwif = dev_get_drvdata(portdev); 113 114 if (strncmp(buf, "1", n)) 115 return -EINVAL; 116 117 ide_port_unregister_devices(hwif); 118 ide_port_scan(hwif); 119 120 return n; 121}; 122 123static DEVICE_ATTR(scan, S_IWUSR, NULL, store_scan); 124 125static struct device_attribute *ide_port_attrs[] = { 126 &dev_attr_delete_devices, 127 &dev_attr_scan, 128 NULL 129}; 130 131int ide_sysfs_register_port(ide_hwif_t *hwif) 132{ 133 int i, uninitialized_var(rc); 134 135 for (i = 0; ide_port_attrs[i]; i++) { 136 rc = device_create_file(hwif->portdev, ide_port_attrs[i]); 137 if (rc) 138 break; 139 } 140 141 return rc; 142} 143