diff options
| author |   Michael S. Tsirkin <mst@mellanox.co.il> | 2005-04-16 15:26:27 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 15:26:27 -0700 |
| commit | ef416a33acbd2d68a58ea1ffdc13c674e53bc78f (patch) | |
| tree | 4029b8cd92b9e8a24a313f07230aa5bda51a746c /drivers/infiniband/hw/mthca/mthca_doorbell.h | |
| parent | [PATCH] IB/mthca: encapsulate MTT buddy allocator (diff) | |
| download | linux-dev-ef416a33acbd2d68a58ea1ffdc13c674e53bc78f.tar.xz linux-dev-ef416a33acbd2d68a58ea1ffdc13c674e53bc78f.zip | |
[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: 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>
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_doorbell.h')
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_doorbell.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_doorbell.h b/drivers/infiniband/hw/mthca/mthca_doorbell.h index 78b183cab54c..821039a49049 100644 --- a/drivers/infiniband/hw/mthca/mthca_doorbell.h +++ b/drivers/infiniband/hw/mthca/mthca_doorbell.h @@ -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) { |