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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-10-16 22:29:58 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2007-10-16 22:29:58 +0200 |
| commit | c223701cf6c706f42840631c1ca919a18e6e2800 (patch) | |
| tree | 0ae93a4a36e874d5e1378e5e2d032a81e71350f7 /include | |
| parent | 9ff6f72f432364991d68e99cae72cb141c166e70 (diff) | |
| download | linux-stable-c223701cf6c706f42840631c1ca919a18e6e2800.tar.gz linux-stable-c223701cf6c706f42840631c1ca919a18e6e2800.tar.bz2 linux-stable-c223701cf6c706f42840631c1ca919a18e6e2800.zip | |
ide: add "hdx=nodma" kernel parameter
* Add "hdx=nodma" option allowing user to disallow DMA for a given device.
* Obsolete "ide=nodma" option.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ide.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h index 79652c5c0ea5..e39ee2fa2607 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -599,6 +599,7 @@ typedef struct ide_drive_s { unsigned nice0 : 1; /* give obvious excess bandwidth */ unsigned nice2 : 1; /* give a share in our own bandwidth */ unsigned doorlocking : 1; /* for removable only: door lock/unlock works */ + unsigned nodma : 1; /* disallow DMA */ unsigned autotune : 2; /* 0=default, 1=autotune, 2=noautotune */ unsigned remap_0_to_1 : 1; /* 0=noremap, 1=remap 0->1 (for EZDrive) */ unsigned blocked : 1; /* 1=powermanagment told us not to do anything, so sleep nicely */ |