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authorSteve Wise <swise@opengridcomputing.com>2008-08-04 11:05:43 -0700
committerRoland Dreier <rolandd@cisco.com>2008-08-04 11:05:43 -0700
commit1c355a6e80fd08e623416138631e240f431385f2 (patch)
tree923c13058b6c21836d8f4990f050c7511bc06ec9 /drivers/infiniband
parent5f0f66b022ba607db0a083bf5cc13e4a4336e366 (diff)
downloadop-kernel-dev-1c355a6e80fd08e623416138631e240f431385f2.zip
op-kernel-dev-1c355a6e80fd08e623416138631e240f431385f2.tar.gz
RDMA/cxgb3: Fix up MW access rights
- MWs don't have local read/write permissions. - Set the MW_BIND enabled bit if a MR has MW_BIND access. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_hal.c6
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.h7
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_qp.c2
3 files changed, 11 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
index f6d5747..4dcf08b 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
@@ -725,9 +725,9 @@ static int __cxio_tpt_op(struct cxio_rdev *rdev_p, u32 reset_tpt_entry,
V_TPT_STAG_TYPE(type) | V_TPT_PDID(pdid));
BUG_ON(page_size >= 28);
tpt.flags_pagesize_qpid = cpu_to_be32(V_TPT_PERM(perm) |
- F_TPT_MW_BIND_ENABLE |
- V_TPT_ADDR_TYPE((zbva ? TPT_ZBTO : TPT_VATO)) |
- V_TPT_PAGE_SIZE(page_size));
+ ((perm & TPT_MW_BIND) ? F_TPT_MW_BIND_ENABLE : 0) |
+ V_TPT_ADDR_TYPE((zbva ? TPT_ZBTO : TPT_VATO)) |
+ V_TPT_PAGE_SIZE(page_size));
tpt.rsvd_pbl_addr = reset_tpt_entry ? 0 :
cpu_to_be32(V_TPT_PBL_ADDR(PBL_OFF(rdev_p, pbl_addr)>>3));
tpt.len = cpu_to_be32(len);
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.h b/drivers/infiniband/hw/cxgb3/iwch_provider.h
index f5ceca0..a237d49 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.h
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.h
@@ -293,9 +293,16 @@ static inline u32 iwch_ib_to_tpt_access(int acc)
return (acc & IB_ACCESS_REMOTE_WRITE ? TPT_REMOTE_WRITE : 0) |
(acc & IB_ACCESS_REMOTE_READ ? TPT_REMOTE_READ : 0) |
(acc & IB_ACCESS_LOCAL_WRITE ? TPT_LOCAL_WRITE : 0) |
+ (acc & IB_ACCESS_MW_BIND ? TPT_MW_BIND : 0) |
TPT_LOCAL_READ;
}
+static inline u32 iwch_ib_to_tpt_bind_access(int acc)
+{
+ return (acc & IB_ACCESS_REMOTE_WRITE ? TPT_REMOTE_WRITE : 0) |
+ (acc & IB_ACCESS_REMOTE_READ ? TPT_REMOTE_READ : 0);
+}
+
enum iwch_mmid_state {
IWCH_STAG_STATE_VALID,
IWCH_STAG_STATE_INVALID
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index 8939716..3e4585c 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -565,7 +565,7 @@ int iwch_bind_mw(struct ib_qp *qp,
wqe->bind.type = TPT_VATO;
/* TBD: check perms */
- wqe->bind.perms = iwch_ib_to_tpt_access(mw_bind->mw_access_flags);
+ wqe->bind.perms = iwch_ib_to_tpt_bind_access(mw_bind->mw_access_flags);
wqe->bind.mr_stag = cpu_to_be32(mw_bind->mr->lkey);
wqe->bind.mw_stag = cpu_to_be32(mw->rkey);
wqe->bind.mw_len = cpu_to_be32(mw_bind->length);
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