diff options
Diffstat (limited to 'Documentation/ioctl/hdio.txt')
| -rw-r--r-- | Documentation/ioctl/hdio.txt | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/Documentation/ioctl/hdio.txt b/Documentation/ioctl/hdio.txt index 11c9be49f37..18eb98c44ff 100644 --- a/Documentation/ioctl/hdio.txt +++ b/Documentation/ioctl/hdio.txt @@ -203,7 +203,7 @@ HDIO_SET_MULTCOUNT change IDE blockmode Source code comments read: - This is tightly woven into the driver->do_special can not + This is tightly woven into the driver->do_special cannot touch. DON'T do it again until a total personality rewrite is committed. @@ -508,12 +508,13 @@ HDIO_DRIVE_RESET execute a device reset error returns: EACCES Access denied: requires CAP_SYS_ADMIN + ENXIO No such device: phy dead or ctl_addr == 0 + EIO I/O error: reset timed out or hardware error notes: - Abort any current command, prevent anything else from being - queued, execute a reset on the device, and issue BLKRRPART - ioctl on the block device. + Execute a reset on the device as soon as the current IO + operation has completed. Executes an ATAPI soft reset if applicable, otherwise executes an ATA soft reset on the controller. @@ -595,7 +596,7 @@ HDIO_DRIVE_TASKFILE execute raw taskfile if CHS/LBA28 The association between in_flags.all and each enable - bitfield flips depending on endianess; fortunately, TASKFILE + bitfield flips depending on endianness; fortunately, TASKFILE only uses inflags.b.data bit and ignores all other bits. The end result is that, on any endian machines, it has no effect other than modifying in_flags on completion. @@ -719,7 +720,7 @@ HDIO_DRIVE_TASKFILE execute raw taskfile [6] Do not access {in|out}_flags->all except for resetting all the bits. Always access individual bit fields. ->all - value will flip depending on endianess. For the same + value will flip depending on endianness. For the same reason, do not use IDE_{TASKFILE|HOB}_STD_{OUT|IN}_FLAGS constants defined in hdreg.h. |