diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_mr.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_mr.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_mr.c b/drivers/infiniband/hw/ipath/ipath_mr.c index 69ffec66d45d..a0673c1eef71 100644 --- a/drivers/infiniband/hw/ipath/ipath_mr.c +++ b/drivers/infiniband/hw/ipath/ipath_mr.c @@ -1,4 +1,5 @@ /* + * Copyright (c) 2006 QLogic, Inc. All rights reserved. * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved. * * This software is available to you under a choice of one of two @@ -35,6 +36,18 @@ #include "ipath_verbs.h" +/* Fast memory region */ +struct ipath_fmr { + struct ib_fmr ibfmr; + u8 page_shift; + struct ipath_mregion mr; /* must be last */ +}; + +static inline struct ipath_fmr *to_ifmr(struct ib_fmr *ibfmr) +{ + return container_of(ibfmr, struct ipath_fmr, ibfmr); +} + /** * ipath_get_dma_mr - get a DMA memory region * @pd: protection domain for this memory region @@ -125,6 +138,7 @@ struct ib_mr *ipath_reg_phys_mr(struct ib_pd *pd, goto bail; } + mr->mr.pd = pd; mr->mr.user_base = *iova_start; mr->mr.iova = *iova_start; mr->mr.length = 0; @@ -169,6 +183,11 @@ struct ib_mr *ipath_reg_user_mr(struct ib_pd *pd, struct ib_umem *region, int n, m, i; struct ib_mr *ret; + if (region->length == 0) { + ret = ERR_PTR(-EINVAL); + goto bail; + } + n = 0; list_for_each_entry(chunk, ®ion->chunk_list, list) n += chunk->nents; @@ -179,6 +198,7 @@ struct ib_mr *ipath_reg_user_mr(struct ib_pd *pd, struct ib_umem *region, goto bail; } + mr->mr.pd = pd; mr->mr.user_base = region->user_base; mr->mr.iova = region->virt_base; mr->mr.length = region->length; @@ -271,6 +291,7 @@ struct ib_fmr *ipath_alloc_fmr(struct ib_pd *pd, int mr_access_flags, * Resources are allocated but no valid mapping (RKEY can't be * used). */ + fmr->mr.pd = pd; fmr->mr.user_base = 0; fmr->mr.iova = 0; fmr->mr.length = 0; |
