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[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>
This commit is contained in:
Roland Dreier 2005-04-16 15:26:34 -07:00 committed by Linus Torvalds
parent ddf841f052
commit 08aeb14e5f
3 changed files with 29 additions and 3 deletions
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1
drivers/infiniband/hw/mthca/mthca_dev.h
View File

@ -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 {

18
drivers/infiniband/hw/mthca/mthca_main.c
View File

@ -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);

13
drivers/infiniband/hw/mthca/mthca_qp.c
View File

@ -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);
}