Messages in this thread Patch in this message | | | Subject | [PATCH][25/27] IB/mthca: map context for RDMA responder in mem-free mode | Date | Fri, 1 Apr 2005 12:49:54 -0800 | From | Roland Dreier <> |
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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>
--- linux-export.orig/drivers/infiniband/hw/mthca/mthca_dev.h 2005-04-01 12:38:30.772280864 -0800 +++ linux-export/drivers/infiniband/hw/mthca/mthca_dev.h 2005-04-01 12:38:31.661087929 -0800 @@ -222,6 +222,7 @@ 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 { --- linux-export.orig/drivers/infiniband/hw/mthca/mthca_main.c 2005-04-01 12:38:30.776279996 -0800 +++ linux-export/drivers/infiniband/hw/mthca/mthca_main.c 2005-04-01 12:38:31.666086844 -0800 @@ -430,14 +430,25 @@ 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 @@ 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); --- linux-export.orig/drivers/infiniband/hw/mthca/mthca_qp.c 2005-04-01 12:38:30.827268928 -0800 +++ linux-export/drivers/infiniband/hw/mthca/mthca_qp.c 2005-04-01 12:38:31.673085325 -0800 @@ -1025,11 +1025,16 @@ 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, @@ -1045,6 +1050,10 @@ 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); @@ -1060,6 +1069,8 @@ 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); } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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