| Mauro Carvalho Chehab | 898bd37 | 2019-04-18 19:45:00 -0300 | [diff] [blame] | 1 | =============================== |
| 2 | Generic Block Device Capability |
| 3 | =============================== |
| 4 | |
| 5 | This file documents the sysfs file block/<disk>/capability |
| 6 | |
| 7 | capability is a hex word indicating which capabilities a specific disk |
| 8 | supports. For more information on bits not listed here, see |
| 9 | include/linux/genhd.h |
| 10 | |
| 11 | GENHD_FL_MEDIA_CHANGE_NOTIFY |
| 12 | ---------------------------- |
| 13 | |
| 14 | Value: 4 |
| 15 | |
| 16 | When this bit is set, the disk supports Asynchronous Notification |
| 17 | of media change events. These events will be broadcast to user |
| 18 | space via kernel uevent. |