diff options
Diffstat (limited to 'Documentation/ioctl')
-rw-r--r-- | Documentation/ioctl/hdio.txt | 7 | ||||
-rw-r--r-- | Documentation/ioctl/ioctl-decoding.txt | 4 |
2 files changed, 6 insertions, 5 deletions
diff --git a/Documentation/ioctl/hdio.txt b/Documentation/ioctl/hdio.txt index c19efdeace2c..91a6ecbae0bb 100644 --- a/Documentation/ioctl/hdio.txt +++ b/Documentation/ioctl/hdio.txt | |||
@@ -508,12 +508,13 @@ HDIO_DRIVE_RESET execute a device reset | |||
508 | 508 | ||
509 | error returns: | 509 | error returns: |
510 | EACCES Access denied: requires CAP_SYS_ADMIN | 510 | EACCES Access denied: requires CAP_SYS_ADMIN |
511 | ENXIO No such device: phy dead or ctl_addr == 0 | ||
512 | EIO I/O error: reset timed out or hardware error | ||
511 | 513 | ||
512 | notes: | 514 | notes: |
513 | 515 | ||
514 | Abort any current command, prevent anything else from being | 516 | Execute a reset on the device as soon as the current IO |
515 | queued, execute a reset on the device, and issue BLKRRPART | 517 | operation has completed. |
516 | ioctl on the block device. | ||
517 | 518 | ||
518 | Executes an ATAPI soft reset if applicable, otherwise | 519 | Executes an ATAPI soft reset if applicable, otherwise |
519 | executes an ATA soft reset on the controller. | 520 | executes an ATA soft reset on the controller. |
diff --git a/Documentation/ioctl/ioctl-decoding.txt b/Documentation/ioctl/ioctl-decoding.txt index bfdf7f3ee4f0..e35efb0cec2e 100644 --- a/Documentation/ioctl/ioctl-decoding.txt +++ b/Documentation/ioctl/ioctl-decoding.txt | |||
@@ -1,6 +1,6 @@ | |||
1 | To decode a hex IOCTL code: | 1 | To decode a hex IOCTL code: |
2 | 2 | ||
3 | Most architecures use this generic format, but check | 3 | Most architectures use this generic format, but check |
4 | include/ARCH/ioctl.h for specifics, e.g. powerpc | 4 | include/ARCH/ioctl.h for specifics, e.g. powerpc |
5 | uses 3 bits to encode read/write and 13 bits for size. | 5 | uses 3 bits to encode read/write and 13 bits for size. |
6 | 6 | ||
@@ -18,7 +18,7 @@ uses 3 bits to encode read/write and 13 bits for size. | |||
18 | 7-0 function # | 18 | 7-0 function # |
19 | 19 | ||
20 | 20 | ||
21 | So for example 0x82187201 is a read with arg length of 0x218, | 21 | So for example 0x82187201 is a read with arg length of 0x218, |
22 | character 'r' function 1. Grepping the source reveals this is: | 22 | character 'r' function 1. Grepping the source reveals this is: |
23 | 23 | ||
24 | #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2]) | 24 | #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2]) |