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| author | Tejun Heo <htejun@gmail.com> | 2006-03-24 14:07:50 +0900 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-03-24 09:28:33 -0500 |
| commit | acf356b12d13c8b43c486e53e8ee12f1f435ecc8 (patch) | |
| tree | 355f7327b0ed34d02e6ec8c1eb91a8a8f758975b /include | |
| parent | c0489e4efcad44aeb16c55760daf3b487183e9f0 (diff) | |
| download | lwn-acf356b12d13c8b43c486e53e8ee12f1f435ecc8.tar.gz lwn-acf356b12d13c8b43c486e53e8ee12f1f435ecc8.zip | |
[PATCH] libata: add per-dev pio/mwdma/udma_mask
Add per-dev pio/mwdma/udma_mask. All transfer mode limits used to be
applied to ap->*_mask which unnecessarily restricted other devices
sharing the port. This change will also benefit later EH speed down
and hotplug.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/libata.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h index 7a54244d30aa..fbe8ba212598 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -358,6 +358,11 @@ struct ata_device { unsigned int max_sectors; /* per-device max sectors */ unsigned int cdb_len; + /* per-dev xfer mask */ + unsigned int pio_mask; + unsigned int mwdma_mask; + unsigned int udma_mask; + /* for CHS addressing */ u16 cylinders; /* Number of cylinders */ u16 heads; /* Number of heads */ |