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[PATCH] IB/mthca: split MR key munging routines

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Split Tavor and Arbel/mem-free index<->hw key munging routines, so that FMR
implementation can call correct implementation without testing HCA type (which
it already knows).

Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <roland@topspin.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Michael S. Tsirkin 2005-04-16 15:26:30 -07:00 committed by Linus Torvalds
parent 0fabd9fb7b
commit d0a9d25cdc
1 changed files with 24 additions and 4 deletions
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28
drivers/infiniband/hw/mthca/mthca_mr.c
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@ -198,20 +198,40 @@ static void mthca_free_mtt(struct mthca_dev *dev, u32 seg, int order,
seg + (1 << order) - 1);
}
static inline u32 tavor_hw_index_to_key(u32 ind)
{
return ind;
}
static inline u32 tavor_key_to_hw_index(u32 key)
{
return key;
}
static inline u32 arbel_hw_index_to_key(u32 ind)
{
return (ind >> 24) | (ind << 8);
}
static inline u32 arbel_key_to_hw_index(u32 key)
{
return (key << 24) | (key >> 8);
}
static inline u32 hw_index_to_key(struct mthca_dev *dev, u32 ind)
{
if (dev->hca_type == ARBEL_NATIVE)
return (ind >> 24) | (ind << 8);
return arbel_hw_index_to_key(ind);
else
return ind;
return tavor_hw_index_to_key(ind);
}
static inline u32 key_to_hw_index(struct mthca_dev *dev, u32 key)
{
if (dev->hca_type == ARBEL_NATIVE)
return (key << 24) | (key >> 8);
return arbel_key_to_hw_index(key);
else
return key;
return tavor_key_to_hw_index(key);
}
int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd,