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authorChristoph Hellwig <hch@lst.de>2015-12-23 19:12:48 +0100
committerDoug Ledford <dledford@redhat.com>2015-12-23 14:29:04 -0500
commitfeb7c1e38bccfd18cc06677cb648ed2340788fe8 (patch)
tree9898dd6dfef73285013027d349179163a7d9a2c6 /drivers/infiniband/hw/cxgb3
parentIB: remove support for phys MRs (diff)
downloadlinux-dev-feb7c1e38bccfd18cc06677cb648ed2340788fe8.tar.xz
linux-dev-feb7c1e38bccfd18cc06677cb648ed2340788fe8.zip
IB: remove in-kernel support for memory windows
Remove the unused ib_allow_mw and ib_bind_mw functions, remove the unused IB_WR_BIND_MW and IB_WC_BIND_MW opcodes and move ib_dealloc_mw into the uverbs module. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> [core] Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb3')
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_cq.c4
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.c1
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.h3
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_qp.c82
4 files changed, 0 insertions, 90 deletions
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cq.c b/drivers/infiniband/hw/cxgb3/iwch_cq.c
index cfe404925a39..97fbfd2c298e 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cq.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cq.c
@@ -115,10 +115,6 @@ static int iwch_poll_cq_one(struct iwch_dev *rhp, struct iwch_cq *chp,
case T3_SEND_WITH_SE_INV:
wc->opcode = IB_WC_SEND;
break;
- case T3_BIND_MW:
- wc->opcode = IB_WC_BIND_MW;
- break;
-
case T3_LOCAL_INV:
wc->opcode = IB_WC_LOCAL_INV;
break;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index f7aa019a3c1a..384e1d783507 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -1388,7 +1388,6 @@ int iwch_register_device(struct iwch_dev *dev)
dev->ibdev.reg_user_mr = iwch_reg_user_mr;
dev->ibdev.dereg_mr = iwch_dereg_mr;
dev->ibdev.alloc_mw = iwch_alloc_mw;
- dev->ibdev.bind_mw = iwch_bind_mw;
dev->ibdev.dealloc_mw = iwch_dealloc_mw;
dev->ibdev.alloc_mr = iwch_alloc_mr;
dev->ibdev.map_mr_sg = iwch_map_mr_sg;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.h b/drivers/infiniband/hw/cxgb3/iwch_provider.h
index f4fa6d677c0f..f24df44146c6 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.h
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.h
@@ -330,9 +330,6 @@ int iwch_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
struct ib_send_wr **bad_wr);
int iwch_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
struct ib_recv_wr **bad_wr);
-int iwch_bind_mw(struct ib_qp *qp,
- struct ib_mw *mw,
- struct ib_mw_bind *mw_bind);
int iwch_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
int iwch_post_terminate(struct iwch_qp *qhp, struct respQ_msg_t *rsp_msg);
int iwch_post_zb_read(struct iwch_ep *ep);
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index d0548fc6395e..d939980a708f 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -526,88 +526,6 @@ out:
return err;
}
-int iwch_bind_mw(struct ib_qp *qp,
- struct ib_mw *mw,
- struct ib_mw_bind *mw_bind)
-{
- struct iwch_dev *rhp;
- struct iwch_mw *mhp;
- struct iwch_qp *qhp;
- union t3_wr *wqe;
- u32 pbl_addr;
- u8 page_size;
- u32 num_wrs;
- unsigned long flag;
- struct ib_sge sgl;
- int err=0;
- enum t3_wr_flags t3_wr_flags;
- u32 idx;
- struct t3_swsq *sqp;
-
- qhp = to_iwch_qp(qp);
- mhp = to_iwch_mw(mw);
- rhp = qhp->rhp;
-
- spin_lock_irqsave(&qhp->lock, flag);
- if (qhp->attr.state > IWCH_QP_STATE_RTS) {
- spin_unlock_irqrestore(&qhp->lock, flag);
- return -EINVAL;
- }
- num_wrs = Q_FREECNT(qhp->wq.sq_rptr, qhp->wq.sq_wptr,
- qhp->wq.sq_size_log2);
- if (num_wrs == 0) {
- spin_unlock_irqrestore(&qhp->lock, flag);
- return -ENOMEM;
- }
- idx = Q_PTR2IDX(qhp->wq.wptr, qhp->wq.size_log2);
- PDBG("%s: idx 0x%0x, mw 0x%p, mw_bind 0x%p\n", __func__, idx,
- mw, mw_bind);
- wqe = (union t3_wr *) (qhp->wq.queue + idx);
-
- t3_wr_flags = 0;
- if (mw_bind->send_flags & IB_SEND_SIGNALED)
- t3_wr_flags = T3_COMPLETION_FLAG;
-
- sgl.addr = mw_bind->bind_info.addr;
- sgl.lkey = mw_bind->bind_info.mr->lkey;
- sgl.length = mw_bind->bind_info.length;
- wqe->bind.reserved = 0;
- wqe->bind.type = TPT_VATO;
-
- /* TBD: check perms */
- wqe->bind.perms = iwch_ib_to_tpt_bind_access(
- mw_bind->bind_info.mw_access_flags);
- wqe->bind.mr_stag = cpu_to_be32(mw_bind->bind_info.mr->lkey);
- wqe->bind.mw_stag = cpu_to_be32(mw->rkey);
- wqe->bind.mw_len = cpu_to_be32(mw_bind->bind_info.length);
- wqe->bind.mw_va = cpu_to_be64(mw_bind->bind_info.addr);
- err = iwch_sgl2pbl_map(rhp, &sgl, 1, &pbl_addr, &page_size);
- if (err) {
- spin_unlock_irqrestore(&qhp->lock, flag);
- return err;
- }
- wqe->send.wrid.id0.hi = qhp->wq.sq_wptr;
- sqp = qhp->wq.sq + Q_PTR2IDX(qhp->wq.sq_wptr, qhp->wq.sq_size_log2);
- sqp->wr_id = mw_bind->wr_id;
- sqp->opcode = T3_BIND_MW;
- sqp->sq_wptr = qhp->wq.sq_wptr;
- sqp->complete = 0;
- sqp->signaled = (mw_bind->send_flags & IB_SEND_SIGNALED);
- wqe->bind.mr_pbl_addr = cpu_to_be32(pbl_addr);
- wqe->bind.mr_pagesz = page_size;
- build_fw_riwrh((void *)wqe, T3_WR_BIND, t3_wr_flags,
- Q_GENBIT(qhp->wq.wptr, qhp->wq.size_log2), 0,
- sizeof(struct t3_bind_mw_wr) >> 3, T3_SOPEOP);
- ++(qhp->wq.wptr);
- ++(qhp->wq.sq_wptr);
- spin_unlock_irqrestore(&qhp->lock, flag);
-
- if (cxio_wq_db_enabled(&qhp->wq))
- ring_doorbell(qhp->wq.doorbell, qhp->wq.qpid);
-
- return err;
-}
-
static inline void build_term_codes(struct respQ_msg_t *rsp_msg,
u8 *layer_type, u8 *ecode)
{