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| author | Anton Vorontsov <cbouatmailru@gmail.com> | 2008-07-30 00:05:23 +0200 |
|---|---|---|
| committer | Anton Vorontsov <cbouatmailru@gmail.com> | 2008-07-30 00:05:23 +0200 |
| commit | 9fec6060d9e48ed7db0dac0e16d0f0f0e615b7f6 (patch) | |
| tree | 74b41f31a08f6500ff3dfcf64ba21e2d9a8e87e5 /Documentation/ioctl | |
| parent | power_supply: Sharp SL-6000 (tosa) batteries support (diff) | |
| parent | Linux 2.6.27-rc1 (diff) | |
| download | linux-9fec6060d9e48ed7db0dac0e16d0f0f0e615b7f6.tar.xz linux-9fec6060d9e48ed7db0dac0e16d0f0f0e615b7f6.zip | |
Merge branch 'master' of /home/cbou/linux-2.6
Conflicts:
drivers/power/Kconfig
drivers/power/Makefile
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 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. 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 @@ To decode a hex IOCTL code: -Most architecures use this generic format, but check +Most architectures use this generic format, but check include/ARCH/ioctl.h for specifics, e.g. powerpc uses 3 bits to encode read/write and 13 bits for size. @@ -18,7 +18,7 @@ uses 3 bits to encode read/write and 13 bits for size. 7-0 function # - So for example 0x82187201 is a read with arg length of 0x218, +So for example 0x82187201 is a read with arg length of 0x218, character 'r' function 1. Grepping the source reveals this is: #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2]) |