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RDMA/cxgb3: sgl/pbl offset calculation needs 64 bits 

The variable 'offset' in iwch_sgl2pbl_map() needs to be a u64.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Steve Wise 2009-02-10 16:38:22 -08:00 committed by Roland Dreier
parent f3b8436ad9
commit 900f4c16c3
1 changed files with 3 additions and 6 deletions
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9
drivers/infiniband/hw/cxgb3/iwch_qp.c
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@ -195,15 +195,12 @@ static int build_inv_stag(union t3_wr *wqe, struct ib_send_wr *wr,
return 0;
}
/*
* TBD: this is going to be moved to firmware. Missing pdid/qpid check for now.
*/
static int iwch_sgl2pbl_map(struct iwch_dev *rhp, struct ib_sge *sg_list,
u32 num_sgle, u32 * pbl_addr, u8 * page_size)
{
int i;
struct iwch_mr *mhp;
u32 offset;
u64 offset;
for (i = 0; i < num_sgle; i++) {
mhp = get_mhp(rhp, (sg_list[i].lkey) >> 8);
@ -235,8 +232,8 @@ static int iwch_sgl2pbl_map(struct iwch_dev *rhp, struct ib_sge *sg_list,
return -EINVAL;
}
offset = sg_list[i].addr - mhp->attr.va_fbo;
offset += ((u32) mhp->attr.va_fbo) %
(1UL << (12 + mhp->attr.page_size));
offset += mhp->attr.va_fbo &
((1UL << (12 + mhp->attr.page_size)) - 1);
pbl_addr[i] = ((mhp->attr.pbl_addr -
rhp->rdev.rnic_info.pbl_base) >> 3) +
(offset >> (12 + mhp->attr.page_size));