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authorRoland Dreier <roland@topspin.com>2005-04-16 15:26:34 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:26:34 -0700
commit08aeb14e5f6c28878266b01c87cc5ce31101afa8 (patch)
tree830f591f6931ceb411f0ae97196f113db2cd766b /drivers/infiniband
parentddf841f052fa218547c86169d1074968eca8c503 (diff)
downloadop-kernel-dev-08aeb14e5f6c28878266b01c87cc5ce31101afa8.zip
op-kernel-dev-08aeb14e5f6c28878266b01c87cc5ce31101afa8.tar.gz
[PATCH] IB/mthca: map context for RDMA responder in mem-free mode
Fix RDMA in mem-free mode: we need to make sure that the RDMA context memory is mapped for the HCA. 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')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_dev.h1
-rw-r--r--drivers/infiniband/hw/mthca/mthca_main.c18
-rw-r--r--drivers/infiniband/hw/mthca/mthca_qp.c13
3 files changed, 29 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h
index 616a0de..d014b44 100644
--- a/drivers/infiniband/hw/mthca/mthca_dev.h
+++ b/drivers/infiniband/hw/mthca/mthca_dev.h
@@ -222,6 +222,7 @@ struct mthca_qp_table {
struct mthca_array qp;
struct mthca_icm_table *qp_table;
struct mthca_icm_table *eqp_table;
+ struct mthca_icm_table *rdb_table;
};
struct mthca_av_table {
diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c
index c9c9468..0143696 100644
--- a/drivers/infiniband/hw/mthca/mthca_main.c
+++ b/drivers/infiniband/hw/mthca/mthca_main.c
@@ -430,14 +430,25 @@ static int __devinit mthca_init_icm(struct mthca_dev *mdev,
goto err_unmap_qp;
}
- mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base,
+ mdev->qp_table.rdb_table = mthca_alloc_icm_table(mdev, init_hca->rdb_base,
+ MTHCA_RDB_ENTRY_SIZE,
+ mdev->limits.num_qps <<
+ mdev->qp_table.rdb_shift,
+ 0, 0);
+ if (!mdev->qp_table.rdb_table) {
+ mthca_err(mdev, "Failed to map RDB context memory, aborting\n");
+ err = -ENOMEM;
+ goto err_unmap_eqp;
+ }
+
+ mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base,
dev_lim->cqc_entry_sz,
mdev->limits.num_cqs,
mdev->limits.reserved_cqs, 0);
if (!mdev->cq_table.table) {
mthca_err(mdev, "Failed to map CQ context memory, aborting.\n");
err = -ENOMEM;
- goto err_unmap_eqp;
+ goto err_unmap_rdb;
}
/*
@@ -463,6 +474,9 @@ static int __devinit mthca_init_icm(struct mthca_dev *mdev,
err_unmap_cq:
mthca_free_icm_table(mdev, mdev->cq_table.table);
+err_unmap_rdb:
+ mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
+
err_unmap_eqp:
mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index 53af7aa..ca73bab 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -1029,11 +1029,16 @@ static int mthca_alloc_memfree(struct mthca_dev *dev,
if (ret)
goto err_qpc;
+ ret = mthca_table_get(dev, dev->qp_table.rdb_table,
+ qp->qpn << dev->qp_table.rdb_shift);
+ if (ret)
+ goto err_eqpc;
+
qp->rq.db_index = mthca_alloc_db(dev, MTHCA_DB_TYPE_RQ,
qp->qpn, &qp->rq.db);
if (qp->rq.db_index < 0) {
ret = -ENOMEM;
- goto err_eqpc;
+ goto err_rdb;
}
qp->sq.db_index = mthca_alloc_db(dev, MTHCA_DB_TYPE_SQ,
@@ -1049,6 +1054,10 @@ static int mthca_alloc_memfree(struct mthca_dev *dev,
err_rq_db:
mthca_free_db(dev, MTHCA_DB_TYPE_RQ, qp->rq.db_index);
+err_rdb:
+ mthca_table_put(dev, dev->qp_table.rdb_table,
+ qp->qpn << dev->qp_table.rdb_shift);
+
err_eqpc:
mthca_table_put(dev, dev->qp_table.eqp_table, qp->qpn);
@@ -1064,6 +1073,8 @@ static void mthca_free_memfree(struct mthca_dev *dev,
if (mthca_is_memfree(dev)) {
mthca_free_db(dev, MTHCA_DB_TYPE_SQ, qp->sq.db_index);
mthca_free_db(dev, MTHCA_DB_TYPE_RQ, qp->rq.db_index);
+ mthca_table_put(dev, dev->qp_table.rdb_table,
+ qp->qpn << dev->qp_table.rdb_shift);
mthca_table_put(dev, dev->qp_table.eqp_table, qp->qpn);
mthca_table_put(dev, dev->qp_table.qp_table, qp->qpn);
}
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