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authorErez Zilber <erezz@voltaire.com>2006-09-11 12:24:00 +0300
committerRoland Dreier <rolandd@cisco.com>2006-09-22 15:22:51 -0700
commite981f1d4b8288072ba7cf6b7141cd4aefb404383 (patch)
treeb33851f7b985ea86c11a5e99c523fbcf97c12bd3
parent8dfa0876d3dde5f9c1818a4c35caaabc3ddba78b (diff)
IB/iser: fix some debug prints
fix and add some debug prints related to iser handling of memory for rdma. Signed-off-by: Erez Zilber <erezz@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
-rw-r--r--drivers/infiniband/ulp/iser/iser_memory.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c
index bcef0d31f75..8fea0bce504 100644
--- a/drivers/infiniband/ulp/iser/iser_memory.c
+++ b/drivers/infiniband/ulp/iser/iser_memory.c
@@ -329,9 +329,9 @@ static void iser_data_buf_dump(struct iser_data_buf *data)
struct scatterlist *sg = (struct scatterlist *)data->buf;
int i;
- for (i = 0; i < data->size; i++)
+ for (i = 0; i < data->dma_nents; i++)
iser_err("sg[%d] dma_addr:0x%lX page:0x%p "
- "off:%d sz:%d dma_len:%d\n",
+ "off:0x%x sz:0x%x dma_len:0x%x\n",
i, (unsigned long)sg_dma_address(&sg[i]),
sg[i].page, sg[i].offset,
sg[i].length,sg_dma_len(&sg[i]));
@@ -383,6 +383,7 @@ int iser_reg_rdma_mem(struct iscsi_iser_cmd_task *iser_ctask,
struct iser_regd_buf *regd_buf;
int aligned_len;
int err;
+ int i;
regd_buf = &iser_ctask->rdma_regd[cmd_dir];
@@ -400,8 +401,18 @@ int iser_reg_rdma_mem(struct iscsi_iser_cmd_task *iser_ctask,
iser_page_vec_build(mem, ib_conn->page_vec);
err = iser_reg_page_vec(ib_conn, ib_conn->page_vec, &regd_buf->reg);
- if (err)
+ if (err) {
+ iser_data_buf_dump(mem);
+ iser_err("mem->dma_nents = %d (dlength = 0x%x)\n", mem->dma_nents,
+ ntoh24(iser_ctask->desc.iscsi_header.dlength));
+ iser_err("page_vec: data_size = 0x%x, length = %d, offset = 0x%x\n",
+ ib_conn->page_vec->data_size, ib_conn->page_vec->length,
+ ib_conn->page_vec->offset);
+ for (i=0 ; i<ib_conn->page_vec->length ; i++) {
+ iser_err("page_vec[%d] = 0x%lx\n", i, ib_conn->page_vec->pages[i]);
+ }
return err;
+ }
/* take a reference on this regd buf such that it will not be released *
* (eg in send dto completion) before we get the scsi response */