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path: root/drivers/infiniband/sw/rxe/rxe_mw.c
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Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_mw.c')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_mw.c36
1 files changed, 17 insertions, 19 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_mw.c b/drivers/infiniband/sw/rxe/rxe_mw.c
index 5ba77df7598e..9534a7fe1a98 100644
--- a/drivers/infiniband/sw/rxe/rxe_mw.c
+++ b/drivers/infiniband/sw/rxe/rxe_mw.c
@@ -21,7 +21,7 @@ int rxe_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata)
}
rxe_add_index(mw);
- ibmw->rkey = (mw->pelem.index << 8) | rxe_get_next_key(-1);
+ mw->rkey = ibmw->rkey = (mw->pelem.index << 8) | rxe_get_next_key(-1);
mw->state = (mw->ibmw.type == IB_MW_TYPE_2) ?
RXE_MW_STATE_FREE : RXE_MW_STATE_VALID;
spin_lock_init(&mw->lock);
@@ -71,6 +71,8 @@ int rxe_dealloc_mw(struct ib_mw *ibmw)
static int rxe_check_bind_mw(struct rxe_qp *qp, struct rxe_send_wqe *wqe,
struct rxe_mw *mw, struct rxe_mr *mr)
{
+ u32 key = wqe->wr.wr.mw.rkey & 0xff;
+
if (mw->ibmw.type == IB_MW_TYPE_1) {
if (unlikely(mw->state != RXE_MW_STATE_VALID)) {
pr_err_once(
@@ -108,7 +110,7 @@ static int rxe_check_bind_mw(struct rxe_qp *qp, struct rxe_send_wqe *wqe,
}
}
- if (unlikely((wqe->wr.wr.mw.rkey & 0xff) == (mw->ibmw.rkey & 0xff))) {
+ if (unlikely(key == (mw->rkey & 0xff))) {
pr_err_once("attempt to bind MW with same key\n");
return -EINVAL;
}
@@ -140,15 +142,15 @@ static int rxe_check_bind_mw(struct rxe_qp *qp, struct rxe_send_wqe *wqe,
/* C10-75 */
if (mw->access & IB_ZERO_BASED) {
- if (unlikely(wqe->wr.wr.mw.length > mr->length)) {
+ if (unlikely(wqe->wr.wr.mw.length > mr->cur_map_set->length)) {
pr_err_once(
"attempt to bind a ZB MW outside of the MR\n");
return -EINVAL;
}
} else {
- if (unlikely((wqe->wr.wr.mw.addr < mr->iova) ||
+ if (unlikely((wqe->wr.wr.mw.addr < mr->cur_map_set->iova) ||
((wqe->wr.wr.mw.addr + wqe->wr.wr.mw.length) >
- (mr->iova + mr->length)))) {
+ (mr->cur_map_set->iova + mr->cur_map_set->length)))) {
pr_err_once(
"attempt to bind a VA MW outside of the MR\n");
return -EINVAL;
@@ -161,13 +163,9 @@ static int rxe_check_bind_mw(struct rxe_qp *qp, struct rxe_send_wqe *wqe,
static void rxe_do_bind_mw(struct rxe_qp *qp, struct rxe_send_wqe *wqe,
struct rxe_mw *mw, struct rxe_mr *mr)
{
- u32 rkey;
- u32 new_rkey;
-
- rkey = mw->ibmw.rkey;
- new_rkey = (rkey & 0xffffff00) | (wqe->wr.wr.mw.rkey & 0x000000ff);
+ u32 key = wqe->wr.wr.mw.rkey & 0xff;
- mw->ibmw.rkey = new_rkey;
+ mw->rkey = (mw->rkey & ~0xff) | key;
mw->access = wqe->wr.wr.mw.access;
mw->state = RXE_MW_STATE_VALID;
mw->addr = wqe->wr.wr.mw.addr;
@@ -197,29 +195,29 @@ int rxe_bind_mw(struct rxe_qp *qp, struct rxe_send_wqe *wqe)
struct rxe_mw *mw;
struct rxe_mr *mr;
struct rxe_dev *rxe = to_rdev(qp->ibqp.device);
+ u32 mw_rkey = wqe->wr.wr.mw.mw_rkey;
+ u32 mr_lkey = wqe->wr.wr.mw.mr_lkey;
unsigned long flags;
- mw = rxe_pool_get_index(&rxe->mw_pool,
- wqe->wr.wr.mw.mw_rkey >> 8);
+ mw = rxe_pool_get_index(&rxe->mw_pool, mw_rkey >> 8);
if (unlikely(!mw)) {
ret = -EINVAL;
goto err;
}
- if (unlikely(mw->ibmw.rkey != wqe->wr.wr.mw.mw_rkey)) {
+ if (unlikely(mw->rkey != mw_rkey)) {
ret = -EINVAL;
goto err_drop_mw;
}
if (likely(wqe->wr.wr.mw.length)) {
- mr = rxe_pool_get_index(&rxe->mr_pool,
- wqe->wr.wr.mw.mr_lkey >> 8);
+ mr = rxe_pool_get_index(&rxe->mr_pool, mr_lkey >> 8);
if (unlikely(!mr)) {
ret = -EINVAL;
goto err_drop_mw;
}
- if (unlikely(mr->ibmr.lkey != wqe->wr.wr.mw.mr_lkey)) {
+ if (unlikely(mr->lkey != mr_lkey)) {
ret = -EINVAL;
goto err_drop_mr;
}
@@ -292,7 +290,7 @@ int rxe_invalidate_mw(struct rxe_qp *qp, u32 rkey)
goto err;
}
- if (rkey != mw->ibmw.rkey) {
+ if (rkey != mw->rkey) {
ret = -EINVAL;
goto err_drop_ref;
}
@@ -323,7 +321,7 @@ struct rxe_mw *rxe_lookup_mw(struct rxe_qp *qp, int access, u32 rkey)
if (!mw)
return NULL;
- if (unlikely((rxe_mw_rkey(mw) != rkey) || rxe_mw_pd(mw) != pd ||
+ if (unlikely((mw->rkey != rkey) || rxe_mw_pd(mw) != pd ||
(mw->ibmw.type == IB_MW_TYPE_2 && mw->qp != qp) ||
(mw->length == 0) ||
(access && !(access & mw->access)) ||