summaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/hw/cxgb3/iwch_provider.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband/hw/cxgb3/iwch_provider.c')
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index d2283837d45..811b24a539c 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -618,14 +618,13 @@ static struct ib_mr *iwch_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
{
__be64 *pages;
int shift, n, len;
- int i, j, k;
+ int i, k, entry;
int err = 0;
- struct ib_umem_chunk *chunk;
struct iwch_dev *rhp;
struct iwch_pd *php;
struct iwch_mr *mhp;
struct iwch_reg_user_mr_resp uresp;
-
+ struct scatterlist *sg;
PDBG("%s ib_pd %p\n", __func__, pd);
php = to_iwch_pd(pd);
@@ -645,9 +644,7 @@ static struct ib_mr *iwch_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
shift = ffs(mhp->umem->page_size) - 1;
- n = 0;
- list_for_each_entry(chunk, &mhp->umem->chunk_list, list)
- n += chunk->nents;
+ n = mhp->umem->nmap;
err = iwch_alloc_pbl(mhp, n);
if (err)
@@ -661,12 +658,10 @@ static struct ib_mr *iwch_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
i = n = 0;
- list_for_each_entry(chunk, &mhp->umem->chunk_list, list)
- for (j = 0; j < chunk->nmap; ++j) {
- len = sg_dma_len(&chunk->page_list[j]) >> shift;
+ for_each_sg(mhp->umem->sg_head.sgl, sg, mhp->umem->nmap, entry) {
+ len = sg_dma_len(sg) >> shift;
for (k = 0; k < len; ++k) {
- pages[i++] = cpu_to_be64(sg_dma_address(
- &chunk->page_list[j]) +
+ pages[i++] = cpu_to_be64(sg_dma_address(sg) +
mhp->umem->page_size * k);
if (i == PAGE_SIZE / sizeof *pages) {
err = iwch_write_pbl(mhp, pages, i, n);
@@ -676,7 +671,7 @@ static struct ib_mr *iwch_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
i = 0;
}
}
- }
+ }
if (i)
err = iwch_write_pbl(mhp, pages, i, n);