__frwr_recovery_worker(struct work_struct *work)
{
struct rpcrdma_mw *r = container_of(work, struct rpcrdma_mw,
- r.frmr.fr_work);
- struct rpcrdma_xprt *r_xprt = r->r.frmr.fr_xprt;
+ frmr.fr_work);
+ struct rpcrdma_xprt *r_xprt = r->frmr.fr_xprt;
unsigned int depth = r_xprt->rx_ia.ri_max_frmr_depth;
struct ib_pd *pd = r_xprt->rx_ia.ri_pd;
- if (ib_dereg_mr(r->r.frmr.fr_mr))
+ if (ib_dereg_mr(r->frmr.fr_mr))
goto out_fail;
- r->r.frmr.fr_mr = ib_alloc_mr(pd, IB_MR_TYPE_MEM_REG, depth);
- if (IS_ERR(r->r.frmr.fr_mr))
+ r->frmr.fr_mr = ib_alloc_mr(pd, IB_MR_TYPE_MEM_REG, depth);
+ if (IS_ERR(r->frmr.fr_mr))
goto out_fail;
dprintk("RPC: %s: recovered FRMR %p\n", __func__, r);
- r->r.frmr.fr_state = FRMR_IS_INVALID;
+ r->frmr.fr_state = FRMR_IS_INVALID;
rpcrdma_put_mw(r_xprt, r);
return;
static void
__frwr_queue_recovery(struct rpcrdma_mw *r)
{
- INIT_WORK(&r->r.frmr.fr_work, __frwr_recovery_worker);
- queue_work(frwr_recovery_wq, &r->r.frmr.fr_work);
+ INIT_WORK(&r->frmr.fr_work, __frwr_recovery_worker);
+ queue_work(frwr_recovery_wq, &r->frmr.fr_work);
}
static int
__frwr_init(struct rpcrdma_mw *r, struct ib_pd *pd, struct ib_device *device,
unsigned int depth)
{
- struct rpcrdma_frmr *f = &r->r.frmr;
+ struct rpcrdma_frmr *f = &r->frmr;
int rc;
f->fr_mr = ib_alloc_mr(pd, IB_MR_TYPE_MEM_REG, depth);
sg_init_table(f->sg, depth);
+ init_completion(&f->fr_linv_done);
+
return 0;
out_mr_err:
{
int rc;
- rc = ib_dereg_mr(r->r.frmr.fr_mr);
+ rc = ib_dereg_mr(r->frmr.fr_mr);
if (rc)
dprintk("RPC: %s: ib_dereg_mr status %i\n",
__func__, rc);
- kfree(r->r.frmr.sg);
+ kfree(r->frmr.sg);
}
static int
rpcrdma_max_segments(r_xprt) * ia->ri_max_frmr_depth);
}
-/* If FAST_REG or LOCAL_INV failed, indicate the frmr needs
- * to be reset.
+static void
+__frwr_sendcompletion_flush(struct ib_wc *wc, struct rpcrdma_frmr *frmr,
+ const char *wr)
+{
+ frmr->fr_state = FRMR_IS_STALE;
+ if (wc->status != IB_WC_WR_FLUSH_ERR)
+ pr_err("rpcrdma: %s: %s (%u/0x%x)\n",
+ wr, ib_wc_status_msg(wc->status),
+ wc->status, wc->vendor_err);
+}
+
+/**
+ * frwr_wc_fastreg - Invoked by RDMA provider for each polled FastReg WC
+ * @cq: completion queue (ignored)
+ * @wc: completed WR
*
- * WARNING: Only wr_id and status are reliable at this point
*/
static void
-__frwr_sendcompletion_flush(struct ib_wc *wc, struct rpcrdma_mw *r)
+frwr_wc_fastreg(struct ib_cq *cq, struct ib_wc *wc)
{
- if (likely(wc->status == IB_WC_SUCCESS))
- return;
-
- /* WARNING: Only wr_id and status are reliable at this point */
- r = (struct rpcrdma_mw *)(unsigned long)wc->wr_id;
- if (wc->status == IB_WC_WR_FLUSH_ERR)
- dprintk("RPC: %s: frmr %p flushed\n", __func__, r);
- else
- pr_warn("RPC: %s: frmr %p error, status %s (%d)\n",
- __func__, r, ib_wc_status_msg(wc->status), wc->status);
+ struct rpcrdma_frmr *frmr;
+ struct ib_cqe *cqe;
- r->r.frmr.fr_state = FRMR_IS_STALE;
+ /* WARNING: Only wr_cqe and status are reliable at this point */
+ if (wc->status != IB_WC_SUCCESS) {
+ cqe = wc->wr_cqe;
+ frmr = container_of(cqe, struct rpcrdma_frmr, fr_cqe);
+ __frwr_sendcompletion_flush(wc, frmr, "fastreg");
+ }
}
+/**
+ * frwr_wc_localinv - Invoked by RDMA provider for each polled LocalInv WC
+ * @cq: completion queue (ignored)
+ * @wc: completed WR
+ *
+ */
static void
-frwr_sendcompletion(struct ib_wc *wc)
+frwr_wc_localinv(struct ib_cq *cq, struct ib_wc *wc)
{
- struct rpcrdma_mw *r = (struct rpcrdma_mw *)(unsigned long)wc->wr_id;
- struct rpcrdma_frmr *f = &r->r.frmr;
+ struct rpcrdma_frmr *frmr;
+ struct ib_cqe *cqe;
- if (unlikely(wc->status != IB_WC_SUCCESS))
- __frwr_sendcompletion_flush(wc, r);
+ /* WARNING: Only wr_cqe and status are reliable at this point */
+ if (wc->status != IB_WC_SUCCESS) {
+ cqe = wc->wr_cqe;
+ frmr = container_of(cqe, struct rpcrdma_frmr, fr_cqe);
+ __frwr_sendcompletion_flush(wc, frmr, "localinv");
+ }
+}
- if (f->fr_waiter)
- complete(&f->fr_linv_done);
+/**
+ * frwr_wc_localinv - Invoked by RDMA provider for each polled LocalInv WC
+ * @cq: completion queue (ignored)
+ * @wc: completed WR
+ *
+ * Awaken anyone waiting for an MR to finish being fenced.
+ */
+static void
+frwr_wc_localinv_wake(struct ib_cq *cq, struct ib_wc *wc)
+{
+ struct rpcrdma_frmr *frmr;
+ struct ib_cqe *cqe;
+
+ /* WARNING: Only wr_cqe and status are reliable at this point */
+ cqe = wc->wr_cqe;
+ frmr = container_of(cqe, struct rpcrdma_frmr, fr_cqe);
+ if (wc->status != IB_WC_SUCCESS)
+ __frwr_sendcompletion_flush(wc, frmr, "localinv");
+ complete_all(&frmr->fr_linv_done);
}
static int
list_add(&r->mw_list, &buf->rb_mws);
list_add(&r->mw_all, &buf->rb_all);
- r->mw_sendcompletion = frwr_sendcompletion;
- r->r.frmr.fr_xprt = r_xprt;
+ r->frmr.fr_xprt = r_xprt;
}
return 0;
mw = rpcrdma_get_mw(r_xprt);
if (!mw)
return -ENOMEM;
- } while (mw->r.frmr.fr_state != FRMR_IS_INVALID);
- frmr = &mw->r.frmr;
+ } while (mw->frmr.fr_state != FRMR_IS_INVALID);
+ frmr = &mw->frmr;
frmr->fr_state = FRMR_IS_VALID;
- frmr->fr_waiter = false;
mr = frmr->fr_mr;
reg_wr = &frmr->fr_regwr;
return -ENOMEM;
}
- n = ib_map_mr_sg(mr, frmr->sg, frmr->sg_nents, PAGE_SIZE);
+ n = ib_map_mr_sg(mr, frmr->sg, frmr->sg_nents, NULL, PAGE_SIZE);
if (unlikely(n != frmr->sg_nents)) {
pr_err("RPC: %s: failed to map mr %p (%u/%u)\n",
__func__, frmr->fr_mr, n, frmr->sg_nents);
reg_wr->wr.next = NULL;
reg_wr->wr.opcode = IB_WR_REG_MR;
- reg_wr->wr.wr_id = (uintptr_t)mw;
+ frmr->fr_cqe.done = frwr_wc_fastreg;
+ reg_wr->wr.wr_cqe = &frmr->fr_cqe;
reg_wr->wr.num_sge = 0;
reg_wr->wr.send_flags = 0;
reg_wr->mr = mr;
__frwr_prepare_linv_wr(struct rpcrdma_mr_seg *seg)
{
struct rpcrdma_mw *mw = seg->rl_mw;
- struct rpcrdma_frmr *f = &mw->r.frmr;
+ struct rpcrdma_frmr *f = &mw->frmr;
struct ib_send_wr *invalidate_wr;
- f->fr_waiter = false;
f->fr_state = FRMR_IS_INVALID;
invalidate_wr = &f->fr_invwr;
memset(invalidate_wr, 0, sizeof(*invalidate_wr));
- invalidate_wr->wr_id = (unsigned long)(void *)mw;
+ f->fr_cqe.done = frwr_wc_localinv;
+ invalidate_wr->wr_cqe = &f->fr_cqe;
invalidate_wr->opcode = IB_WR_LOCAL_INV;
invalidate_wr->ex.invalidate_rkey = f->fr_mr->rkey;
{
struct ib_device *device = r_xprt->rx_ia.ri_device;
struct rpcrdma_mw *mw = seg->rl_mw;
- struct rpcrdma_frmr *f = &mw->r.frmr;
+ struct rpcrdma_frmr *f = &mw->frmr;
seg->rl_mw = NULL;
i += seg->mr_nsegs;
}
- f = &seg->rl_mw->r.frmr;
+ f = &seg->rl_mw->frmr;
/* Strong send queue ordering guarantees that when the
* last WR in the chain completes, all WRs in the chain
* are complete.
*/
f->fr_invwr.send_flags = IB_SEND_SIGNALED;
- f->fr_waiter = true;
- init_completion(&f->fr_linv_done);
+ f->fr_cqe.done = frwr_wc_localinv_wake;
+ reinit_completion(&f->fr_linv_done);
INIT_CQCOUNT(&r_xprt->rx_ep);
/* Transport disconnect drains the receive CQ before it
* unless ri_id->qp is a valid pointer.
*/
rc = ib_post_send(ia->ri_id->qp, invalidate_wrs, &bad_wr);
- if (rc)
+ if (rc) {
pr_warn("%s: ib_post_send failed %i\n", __func__, rc);
+ rdma_disconnect(ia->ri_id);
+ goto unmap;
+ }
wait_for_completion(&f->fr_linv_done);
/* ORDER: Now DMA unmap all of the req's MRs, and return
* them to the free MW list.
*/
+unmap:
for (i = 0, nchunks = req->rl_nchunks; nchunks; nchunks--) {
seg = &req->rl_segments[i];
struct rpcrdma_mr_seg *seg1 = seg;
struct rpcrdma_ia *ia = &r_xprt->rx_ia;
struct rpcrdma_mw *mw = seg1->rl_mw;
- struct rpcrdma_frmr *frmr = &mw->r.frmr;
+ struct rpcrdma_frmr *frmr = &mw->frmr;
struct ib_send_wr *invalidate_wr, *bad_wr;
int rc, nsegs = seg->mr_nsegs;
seg1->rl_mw = NULL;
frmr->fr_state = FRMR_IS_INVALID;
- invalidate_wr = &mw->r.frmr.fr_invwr;
+ invalidate_wr = &mw->frmr.fr_invwr;
memset(invalidate_wr, 0, sizeof(*invalidate_wr));
- invalidate_wr->wr_id = (uintptr_t)mw;
+ frmr->fr_cqe.done = frwr_wc_localinv;
+ invalidate_wr->wr_cqe = &frmr->fr_cqe;
invalidate_wr->opcode = IB_WR_LOCAL_INV;
invalidate_wr->ex.invalidate_rkey = frmr->fr_mr->rkey;
DECR_CQCOUNT(&r_xprt->rx_ep);
projects / deliverable / linux.git / blobdiff