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Commit ef416a33 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin Committed by Linus Torvalds
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[PATCH] IB/mthca: add mthca_write64_raw() for writing to MTT table directly 



Add mthca_write64_raw() function, which will be used to write FMR entries that
are in ioremapped PCI memory.

Signed-off-by: default avatarMichael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: default avatarRoland Dreier <roland@topspin.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 9095e208

drivers/infiniband/hw/mthca/mthca_doorbell.h

+11 −0
Original line number Diff line number Diff line
@@ -51,6 +51,11 @@ 
#define MTHCA_INIT_DOORBELL_LOCK(ptr)    do { } while (0)

#define MTHCA_GET_DOORBELL_LOCK(ptr)      (NULL)



static inline void mthca_write64_raw(__be64 val, void __iomem *dest)

{

	__raw_writeq((__force u64) val, dest);

}



static inline void mthca_write64(u32 val[2], void __iomem *dest,

				 spinlock_t *doorbell_lock)

{
@@ -74,6 +79,12 @@ static inline void mthca_write_db_rec(u32 val[2], u32 *db) 
#define MTHCA_INIT_DOORBELL_LOCK(ptr)     spin_lock_init(ptr)

#define MTHCA_GET_DOORBELL_LOCK(ptr)      (ptr)



static inline void mthca_write64_raw(__be64 val, void __iomem *dest)

{

	__raw_writel(((__force u32 *) &val)[0], dest);

	__raw_writel(((__force u32 *) &val)[1], dest + 4);

}



static inline void mthca_write64(u32 val[2], void __iomem *dest,

				 spinlock_t *doorbell_lock)

{