diff options
| author | Michael S. Tsirkin <mst@mellanox.co.il> | 2006-08-10 10:46:56 -0700 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2006-08-10 10:50:52 -0700 |
| commit | e54b82d739d4a2ef992976c8c0692cdf89286420 (patch) | |
| tree | c05b596945f17de89505f092ad870aef365b674f /drivers/infiniband | |
| parent | 9f737633e6ee54fc174282d49b2559bd2208391d (diff) | |
| download | kernel_samsung_crespo-e54b82d739d4a2ef992976c8c0692cdf89286420.zip kernel_samsung_crespo-e54b82d739d4a2ef992976c8c0692cdf89286420.tar.gz kernel_samsung_crespo-e54b82d739d4a2ef992976c8c0692cdf89286420.tar.bz2 | |
IB/mthca: Make fence flag work for send work requests
The fence bit needs to be set in the doorbell too, not just the WQE.
Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_qp.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index cd8b672..157b4f8 100644 --- a/drivers/infiniband/hw/mthca/mthca_qp.c +++ b/drivers/infiniband/hw/mthca/mthca_qp.c @@ -99,6 +99,10 @@ enum { MTHCA_QP_BIT_RSC = 1 << 3 }; +enum { + MTHCA_SEND_DOORBELL_FENCE = 1 << 5 +}; + struct mthca_qp_path { __be32 port_pkey; u8 rnr_retry; @@ -1502,7 +1506,7 @@ int mthca_tavor_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, int i; int size; int size0 = 0; - u32 f0 = 0; + u32 f0; int ind; u8 op0 = 0; @@ -1686,6 +1690,8 @@ int mthca_tavor_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, if (!size0) { size0 = size; op0 = mthca_opcode[wr->opcode]; + f0 = wr->send_flags & IB_SEND_FENCE ? + MTHCA_SEND_DOORBELL_FENCE : 0; } ++ind; @@ -1843,7 +1849,7 @@ int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, int i; int size; int size0 = 0; - u32 f0 = 0; + u32 f0; int ind; u8 op0 = 0; @@ -2051,6 +2057,8 @@ int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, if (!size0) { size0 = size; op0 = mthca_opcode[wr->opcode]; + f0 = wr->send_flags & IB_SEND_FENCE ? + MTHCA_SEND_DOORBELL_FENCE : 0; } ++ind; |