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author | Jens Axboe <axboe@kernel.dk> | 2013-07-02 08:31:48 +0200 |
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committer | Jens Axboe <axboe@kernel.dk> | 2013-07-02 08:31:48 +0200 |
commit | 5f0e5afa0de4522abb3ea7d1369039b94e740ec5 (patch) | |
tree | 6a5be3db9ecfed8ef2150c6146f6d1e0d658ac8b /Documentation/rapidio/sysfs.txt | |
parent | drbd: Allow online change of al-stripes and al-stripe-size (diff) | |
parent | Linux 3.10-rc7 (diff) | |
download | linux-dev-5f0e5afa0de4522abb3ea7d1369039b94e740ec5.tar.xz linux-dev-5f0e5afa0de4522abb3ea7d1369039b94e740ec5.zip |
Merge tag 'v3.10-rc7' into for-3.11/drivers
Linux 3.10-rc7
Pull this in early to avoid doing it with the bcache merge,
since there are a number of changes to bcache between my old
base (3.10-rc1) and the new pull request.
Diffstat (limited to 'Documentation/rapidio/sysfs.txt')
-rw-r--r-- | Documentation/rapidio/sysfs.txt | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Documentation/rapidio/sysfs.txt b/Documentation/rapidio/sysfs.txt index 97f71ce575d6..19878179da4c 100644 --- a/Documentation/rapidio/sysfs.txt +++ b/Documentation/rapidio/sysfs.txt @@ -88,3 +88,20 @@ that exports additional attributes. IDT_GEN2: errlog - reads contents of device error log until it is empty. + + +5. RapidIO Bus Attributes +------------------------- + +RapidIO bus subdirectory /sys/bus/rapidio implements the following bus-specific +attribute: + + scan - allows to trigger enumeration discovery process from user space. This + is a write-only attribute. To initiate an enumeration or discovery + process on specific mport device, a user needs to write mport_ID (not + RapidIO destination ID) into this file. The mport_ID is a sequential + number (0 ... RIO_MAX_MPORTS) assigned to the mport device. + For example, for a machine with a single RapidIO controller, mport_ID + for that controller always will be 0. + To initiate RapidIO enumeration/discovery on all available mports + a user must write '-1' (or RIO_MPORT_ANY) into this attribute file. |