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| author | Marcel Apfelbaum <marcela@dev.mellanox.co.il> | 2011-12-13 08:16:56 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-12-13 22:56:07 +0400 |
| commit | 2b8fb2867ca2736a715a88067fd0ec2904777cbe (patch) | |
| tree | 507a7645aaeda05151045157756e1a828e60fe11 /include/linux/mlx4 | |
| parent | 5b4c4d36860ef1c411d0669ffc15090417a33389 (diff) | |
| download | linux-2b8fb2867ca2736a715a88067fd0ec2904777cbe.tar.xz | |
mlx4_core: mtts resources units changed to offset
In the previous implementation mtts are managed by:
1. order - log(mtt segments), 'mtt segment' groups several mtts together.
2. first_seg - segment location relative to mtt table.
In the current implementation:
1. order - log(mtts) rather than segments
2. offset - mtt index in mtt table
Note: The actual mtt allocation is made in segments but it is
transparent to callers.
Rational: The mtt resource holders are not interested on how the allocation
of mtt is done, but rather on how they will use it.
Signed-off-by: Marcel Apfelbaum <marcela@dev.mellanox.co.il>
Reviewed-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/mlx4')
| -rw-r--r-- | include/linux/mlx4/device.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 3ef73b05e24e..65bb466c575f 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -272,8 +272,7 @@ struct mlx4_caps { int num_comp_vectors; int comp_pool; int num_mpts; - int num_mtt_segs; - int mtts_per_seg; + int num_mtts; int fmr_reserved_mtts; int reserved_mtts; int reserved_mrws; @@ -323,7 +322,7 @@ struct mlx4_buf { }; struct mlx4_mtt { - u32 first_seg; + u32 offset; int order; int page_shift; }; |