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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-07-26 23:04:59 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-07-26 23:04:59 +0100 |
| commit | d9ecdb282c91952796b7542c4f57fd6de6948d7b (patch) | |
| tree | fd4de7923968afa7d2981fb037e2255fc2cfa1e1 /Documentation/ioctl/ioctl-decoding.txt | |
| parent | 4ef584ba84125b67c17b5aded38e7783cd8cdef0 (diff) | |
| parent | 1d1f8b377c48e5aeddaea52eba74cc0539f088cd (diff) | |
Merge branch 'for_rmk_13' of git://git.mnementh.co.uk/linux-2.6-im
Diffstat (limited to 'Documentation/ioctl/ioctl-decoding.txt')
| -rw-r--r-- | Documentation/ioctl/ioctl-decoding.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/ioctl/ioctl-decoding.txt b/Documentation/ioctl/ioctl-decoding.txt index bfdf7f3ee4f..e35efb0cec2 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]) |