[PATCH 11 of 28] IB/ipath - ensure that PD of MR matches PD of QP checking the Rkey

Bryan O'Sullivan
2006-09-28T16:09:50Z

diff -r f8c0eb9dc3b8 -r 4dbe5e686c78 drivers/infiniband/hw/ipath/ipath_keys.c
--- a/drivers/infiniband/hw/ipath/ipath_keys.c Thu Sep 28 08:57:12 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_keys.c Thu Sep 28 08:57:12 2006 -0700
@@ -118,9 +118,10 @@ void ipath_free_lkey(struct ipath_lkey_t
* Check the IB SGE for validity and initialize our internal version
* of it.
*/
-int ipath_lkey_ok(struct ipath_lkey_table *rkt, struct ipath_sge *isge,
+int ipath_lkey_ok(struct ipath_qp *qp, struct ipath_sge *isge,
struct ib_sge *sge, int acc)
{
+ struct ipath_lkey_table *rkt = &to_idev(qp->ibqp.device)->lk_table;
struct ipath_mregion *mr;
unsigned n, m;
size_t off;
@@ -140,7 +141,8 @@ int ipath_lkey_ok(struct ipath_lkey_tabl
goto bail;
}
mr = rkt->table[(sge->lkey >> (32 - ib_ipath_lkey_table_size))];
- if (unlikely(mr == NULL || mr->lkey != sge->lkey)) {
+ if (unlikely(mr == NULL || mr->lkey != sge->lkey ||
+ qp->ibqp.pd != mr->pd)) {
ret = 0;
goto bail;
}
@@ -188,9 +190,10 @@ bail:
*
* Return 1 if successful, otherwise 0.
*/
-int ipath_rkey_ok(struct ipath_ibdev *dev, struct ipath_sge_state *ss,
+int ipath_rkey_ok(struct ipath_qp *qp, struct ipath_sge_state *ss,
u32 len, u64 vaddr, u32 rkey, int acc)
{
+ struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
struct ipath_lkey_table *rkt = &dev->lk_table;
struct ipath_sge *sge = &ss->sge;
struct ipath_mregion *mr;
@@ -214,7 +217,8 @@ int ipath_rkey_ok(struct ipath_ibdev *de
}

mr = rkt->table[(rkey >> (32 - ib_ipath_lkey_table_size))];
- if (unlikely(mr == NULL || mr->lkey != rkey)) {
+ if (unlikely(mr == NULL || mr->lkey != rkey ||
+ qp->ibqp.pd != mr->pd)) {
ret = 0;
goto bail;
}
diff -r f8c0eb9dc3b8 -r 4dbe5e686c78 drivers/infiniband/hw/ipath/ipath_mr.c
--- a/drivers/infiniband/hw/ipath/ipath_mr.c Thu Sep 28 08:57:12 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_mr.c Thu Sep 28 08:57:12 2006 -0700
@@ -138,6 +138,7 @@ struct ib_mr *ipath_reg_phys_mr(struct i
goto bail;
}

+ mr->mr.pd = pd;
mr->mr.user_base = *iova_start;
mr->mr.iova = *iova_start;
mr->mr.length = 0;
@@ -197,6 +198,7 @@ struct ib_mr *ipath_reg_user_mr(struct i
goto bail;
}

+ mr->mr.pd = pd;
mr->mr.user_base = region->user_base;
mr->mr.iova = region->virt_base;
mr->mr.length = region->length;
@@ -289,6 +291,7 @@ struct ib_fmr *ipath_alloc_fmr(struct ib
* 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;
diff -r f8c0eb9dc3b8 -r 4dbe5e686c78 drivers/infiniband/hw/ipath/ipath_rc.c
--- a/drivers/infiniband/hw/ipath/ipath_rc.c Thu Sep 28 08:57:12 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_rc.c Thu Sep 28 08:57:12 2006 -0700
@@ -1234,7 +1234,7 @@ static inline int ipath_rc_rcv_error(str
* Address range must be a subset of the original
* request and start on pmtu boundaries.
*/
- ok = ipath_rkey_ok(dev, &qp->s_rdma_sge,
+ ok = ipath_rkey_ok(qp, &qp->s_rdma_sge,
qp->s_rdma_len, vaddr, rkey,
IB_ACCESS_REMOTE_READ);
if (unlikely(!ok)) {
@@ -1532,7 +1532,7 @@ void ipath_rc_rcv(struct ipath_ibdev *de
int ok;

/* Check rkey & NAK */
- ok = ipath_rkey_ok(dev, &qp->r_sge,
+ ok = ipath_rkey_ok(qp, &qp->r_sge,
qp->r_len, vaddr, rkey,
IB_ACCESS_REMOTE_WRITE);
if (unlikely(!ok))
@@ -1574,7 +1574,7 @@ void ipath_rc_rcv(struct ipath_ibdev *de
int ok;

/* Check rkey & NAK */
- ok = ipath_rkey_ok(dev, &qp->s_rdma_sge,
+ ok = ipath_rkey_ok(qp, &qp->s_rdma_sge,
qp->s_rdma_len, vaddr, rkey,
IB_ACCESS_REMOTE_READ);
if (unlikely(!ok)) {
@@ -1633,7 +1633,7 @@ void ipath_rc_rcv(struct ipath_ibdev *de
goto nack_inv;
rkey = be32_to_cpu(ateth->rkey);
/* Check rkey & NAK */
- if (unlikely(!ipath_rkey_ok(dev, &qp->r_sge,
+ if (unlikely(!ipath_rkey_ok(qp, &qp->r_sge,
sizeof(u64), vaddr, rkey,
IB_ACCESS_REMOTE_ATOMIC)))
goto nack_acc;
diff -r f8c0eb9dc3b8 -r 4dbe5e686c78 drivers/infiniband/hw/ipath/ipath_ruc.c
--- a/drivers/infiniband/hw/ipath/ipath_ruc.c Thu Sep 28 08:57:12 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_ruc.c Thu Sep 28 08:57:12 2006 -0700
@@ -108,7 +108,6 @@ void ipath_insert_rnr_queue(struct ipath

static int init_sge(struct ipath_qp *qp, struct ipath_rwqe *wqe)
{
- struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
int user = to_ipd(qp->ibqp.pd)->user;
int i, j, ret;
struct ib_wc wc;
@@ -119,8 +118,7 @@ static int init_sge(struct ipath_qp *qp,
continue;
/* Check LKEY */
if ((user && wqe->sg_list[i].lkey == 0) ||
- !ipath_lkey_ok(&dev->lk_table,
- &qp->r_sg_list[j], &wqe->sg_list[i],
+ !ipath_lkey_ok(qp, &qp->r_sg_list[j], &wqe->sg_list[i],
IB_ACCESS_LOCAL_WRITE))
goto bad_lkey;
qp->r_len += wqe->sg_list[i].length;
@@ -326,7 +324,7 @@ again:
case IB_WR_RDMA_WRITE:
if (wqe->length == 0)
break;
- if (unlikely(!ipath_rkey_ok(dev, &qp->r_sge, wqe->length,
+ if (unlikely(!ipath_rkey_ok(qp, &qp->r_sge, wqe->length,
wqe->wr.wr.rdma.remote_addr,
wqe->wr.wr.rdma.rkey,
IB_ACCESS_REMOTE_WRITE))) {
@@ -350,7 +348,7 @@ again:
break;

case IB_WR_RDMA_READ:
- if (unlikely(!ipath_rkey_ok(dev, &sqp->s_sge, wqe->length,
+ if (unlikely(!ipath_rkey_ok(qp, &sqp->s_sge, wqe->length,
wqe->wr.wr.rdma.remote_addr,
wqe->wr.wr.rdma.rkey,
IB_ACCESS_REMOTE_READ)))
@@ -365,7 +363,7 @@ again:

case IB_WR_ATOMIC_CMP_AND_SWP:
case IB_WR_ATOMIC_FETCH_AND_ADD:
- if (unlikely(!ipath_rkey_ok(dev, &qp->r_sge, sizeof(u64),
+ if (unlikely(!ipath_rkey_ok(qp, &qp->r_sge, sizeof(u64),
wqe->wr.wr.rdma.remote_addr,
wqe->wr.wr.rdma.rkey,
IB_ACCESS_REMOTE_ATOMIC)))
@@ -575,8 +573,7 @@ int ipath_post_ruc_send(struct ipath_qp
}
if (wr->sg_list[i].length == 0)
continue;
- if (!ipath_lkey_ok(&to_idev(qp->ibqp.device)->lk_table,
- &wqe->sg_list[j], &wr->sg_list[i],
+ if (!ipath_lkey_ok(qp, &wqe->sg_list[j], &wr->sg_list[i],
acc)) {
spin_unlock_irqrestore(&qp->s_lock, flags);
ret = -EINVAL;
diff -r f8c0eb9dc3b8 -r 4dbe5e686c78 drivers/infiniband/hw/ipath/ipath_uc.c
--- a/drivers/infiniband/hw/ipath/ipath_uc.c Thu Sep 28 08:57:12 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_uc.c Thu Sep 28 08:57:12 2006 -0700
@@ -444,7 +444,7 @@ void ipath_uc_rcv(struct ipath_ibdev *de
int ok;

/* Check rkey */
- ok = ipath_rkey_ok(dev, &qp->r_sge, qp->r_len,
+ ok = ipath_rkey_ok(qp, &qp->r_sge, qp->r_len,
vaddr, rkey,
IB_ACCESS_REMOTE_WRITE);
if (unlikely(!ok)) {
diff -r f8c0eb9dc3b8 -r 4dbe5e686c78 drivers/infiniband/hw/ipath/ipath_ud.c
--- a/drivers/infiniband/hw/ipath/ipath_ud.c Thu Sep 28 08:57:12 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_ud.c Thu Sep 28 08:57:12 2006 -0700
@@ -39,7 +39,6 @@ static int init_sge(struct ipath_qp *qp,
static int init_sge(struct ipath_qp *qp, struct ipath_rwqe *wqe,
u32 *lengthp, struct ipath_sge_state *ss)
{
- struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
int user = to_ipd(qp->ibqp.pd)->user;
int i, j, ret;
struct ib_wc wc;
@@ -50,8 +49,7 @@ static int init_sge(struct ipath_qp *qp,
continue;
/* Check LKEY */
if ((user && wqe->sg_list[i].lkey == 0) ||
- !ipath_lkey_ok(&dev->lk_table,
- j ? &ss->sg_list[j - 1] : &ss->sge,
+ !ipath_lkey_ok(qp, j ? &ss->sg_list[j - 1] : &ss->sge,
&wqe->sg_list[i], IB_ACCESS_LOCAL_WRITE))
goto bad_lkey;
*lengthp += wqe->sg_list[i].length;
@@ -343,7 +341,7 @@ int ipath_post_ud_send(struct ipath_qp *

if (wr->sg_list[i].length == 0)
continue;
- if (!ipath_lkey_ok(&dev->lk_table, ss.num_sge ?
+ if (!ipath_lkey_ok(qp, ss.num_sge ?
sg_list + ss.num_sge - 1 : &ss.sge,
&wr->sg_list[i], 0)) {
ret = -EINVAL;
diff -r f8c0eb9dc3b8 -r 4dbe5e686c78 drivers/infiniband/hw/ipath/ipath_verbs.h
--- a/drivers/infiniband/hw/ipath/ipath_verbs.h Thu Sep 28 08:57:12 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.h Thu Sep 28 08:57:12 2006 -0700
@@ -220,6 +220,7 @@ struct ipath_segarray {
};

struct ipath_mregion {
+ struct ib_pd *pd; /* shares refcnt of ibmr.pd */
u64 user_base; /* User's address for this region */
u64 iova; /* IB start address of this region */
size_t length;
@@ -657,12 +658,6 @@ int ipath_verbs_send(struct ipath_devdat

void ipath_cq_enter(struct ipath_cq *cq, struct ib_wc *entry, int sig);

-int ipath_rkey_ok(struct ipath_ibdev *dev, struct ipath_sge_state *ss,
- u32 len, u64 vaddr, u32 rkey, int acc);
-
-int ipath_lkey_ok(struct ipath_lkey_table *rkt, struct ipath_sge *isge,
- struct ib_sge *sge, int acc);
-
void ipath_copy_sge(struct ipath_sge_state *ss, void *data, u32 length);

void ipath_skip_sge(struct ipath_sge_state *ss, u32 length);
@@ -687,10 +682,10 @@ int ipath_alloc_lkey(struct ipath_lkey_t

void ipath_free_lkey(struct ipath_lkey_table *rkt, u32 lkey);

-int ipath_lkey_ok(struct ipath_lkey_table *rkt, struct ipath_sge *isge,
+int ipath_lkey_ok(struct ipath_qp *qp, struct ipath_sge *isge,
struct ib_sge *sge, int acc);

-int ipath_rkey_ok(struct ipath_ibdev *dev, struct ipath_sge_state *ss,
+int ipath_rkey_ok(struct ipath_qp *qp, struct ipath_sge_state *ss,
u32 len, u64 vaddr, u32 rkey, int acc);

int ipath_post_srq_receive(struct ib_srq *ibsrq, struct ib_recv_wr *wr,