From 6a553af286653818bb5831f1b351eefdc8a93b61 Mon Sep 17 00:00:00 2001 From: Bryan O'Sullivan Date: Thu, 28 Sep 2006 09:00:07 -0700 Subject: IB/ipath: Ensure that PD of MR matches PD of QP checking the Rkey Signed-off-by: Bryan O'Sullivan Signed-off-by: Roland Dreier --- drivers/infiniband/hw/ipath/ipath_keys.c | 12 ++++++++---- drivers/infiniband/hw/ipath/ipath_mr.c | 3 +++ drivers/infiniband/hw/ipath/ipath_rc.c | 8 ++++---- drivers/infiniband/hw/ipath/ipath_ruc.c | 13 +++++-------- drivers/infiniband/hw/ipath/ipath_uc.c | 2 +- drivers/infiniband/hw/ipath/ipath_ud.c | 6 ++---- drivers/infiniband/hw/ipath/ipath_verbs.h | 11 +++-------- 7 files changed, 26 insertions(+), 29 deletions(-) (limited to 'drivers/infiniband') diff --git a/drivers/infiniband/hw/ipath/ipath_keys.c b/drivers/infiniband/hw/ipath/ipath_keys.c index ba1b93226ca..9a6cbd05adc 100644 --- a/drivers/infiniband/hw/ipath/ipath_keys.c +++ b/drivers/infiniband/hw/ipath/ipath_keys.c @@ -118,9 +118,10 @@ void ipath_free_lkey(struct ipath_lkey_table *rkt, u32 lkey) * 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_table *rkt, struct ipath_sge *isge, 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 *dev, struct ipath_sge_state *ss, } 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 --git a/drivers/infiniband/hw/ipath/ipath_mr.c b/drivers/infiniband/hw/ipath/ipath_mr.c index b36f6fb3e37..a0673c1eef7 100644 --- a/drivers/infiniband/hw/ipath/ipath_mr.c +++ b/drivers/infiniband/hw/ipath/ipath_mr.c @@ -138,6 +138,7 @@ struct ib_mr *ipath_reg_phys_mr(struct ib_pd *pd, 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 ib_pd *pd, struct ib_umem *region, 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_pd *pd, int mr_access_flags, * 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 --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c index 898f996513f..595941b2b1b 100644 --- a/drivers/infiniband/hw/ipath/ipath_rc.c +++ b/drivers/infiniband/hw/ipath/ipath_rc.c @@ -1234,7 +1234,7 @@ static inline int ipath_rc_rcv_error(struct ipath_ibdev *dev, * 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 *dev, struct ipath_ib_header *hdr, 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 *dev, struct ipath_ib_header *hdr, 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 *dev, struct ipath_ib_header *hdr, 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 --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c index 5c1da2d25e0..17ae23fb1e4 100644 --- a/drivers/infiniband/hw/ipath/ipath_ruc.c +++ b/drivers/infiniband/hw/ipath/ipath_ruc.c @@ -108,7 +108,6 @@ void ipath_insert_rnr_queue(struct ipath_qp *qp) 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, struct ipath_rwqe *wqe) 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 *qp, struct ib_send_wr *wr) } 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 --git a/drivers/infiniband/hw/ipath/ipath_uc.c b/drivers/infiniband/hw/ipath/ipath_uc.c index d550b7aedb8..e636cfd67a8 100644 --- a/drivers/infiniband/hw/ipath/ipath_uc.c +++ b/drivers/infiniband/hw/ipath/ipath_uc.c @@ -444,7 +444,7 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr, 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 --git a/drivers/infiniband/hw/ipath/ipath_ud.c b/drivers/infiniband/hw/ipath/ipath_ud.c index 6991d1d74e3..49f1102af8b 100644 --- a/drivers/infiniband/hw/ipath/ipath_ud.c +++ b/drivers/infiniband/hw/ipath/ipath_ud.c @@ -39,7 +39,6 @@ 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, struct ipath_rwqe *wqe, 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 *qp, struct ib_send_wr *wr) 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 --git a/drivers/infiniband/hw/ipath/ipath_verbs.h b/drivers/infiniband/hw/ipath/ipath_verbs.h index 3fffaa02e66..3597d362e5d 100644 --- a/drivers/infiniband/hw/ipath/ipath_verbs.h +++ b/drivers/infiniband/hw/ipath/ipath_verbs.h @@ -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_devdata *dd, u32 hdrwords, 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_table *rkt, 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, -- cgit v1.2.2