diff options
| author |   mikeb <mikeb@openbsd.org> | 2016-12-13 18:27:24 +0000 |
|---|---|---|
| committer | mikeb <mikeb@openbsd.org> | 2016-12-13 18:27:24 +0000 |
| commit | 14bb715810f54f6abf8cdad5cef4cede04b4ef80 (patch) | |
| tree | 03c3912e7270804a6e76a7dbbf0257d25845912c | |
| parent | Add an efibind.h for arm64. Taken from edk2, modified to be similar (diff) | |
| download | wireguard-openbsd-14bb715810f54f6abf8cdad5cef4cede04b4ef80.tar.xz wireguard-openbsd-14bb715810f54f6abf8cdad5cef4cede04b4ef80.zip | |
Poll until the ITSDONE flag is set on the transfer
| -rw-r--r-- | sys/dev/pv/xbf.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/sys/dev/pv/xbf.c b/sys/dev/pv/xbf.c index 4030ea3223c..ae521e25055 100644 --- a/sys/dev/pv/xbf.c +++ b/sys/dev/pv/xbf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: xbf.c,v 1.9 2016/12/10 19:41:31 mikeb Exp $ */ +/* $OpenBSD: xbf.c,v 1.10 2016/12/13 18:27:24 mikeb Exp $ */ /* * Copyright (c) 2016 Mike Belopuhov @@ -307,8 +307,8 @@ xbf_intr(void *xsc) for (cons = sc->sc_xr_cons; cons != xr->xr_cons; cons++) { desc = cons & (sc->sc_xr_ndesc - 1); xs = sc->sc_xs[desc]; - KASSERT(xs != NULL); - xbf_complete_cmd(xs, desc); + if (xs != NULL) + xbf_complete_cmd(xs, desc); } sc->sc_xr_cons = cons; @@ -399,6 +399,7 @@ xbf_scsi_cmd(struct scsi_xfer *xs) if (ISSET(xs->flags, SCSI_POLL) && xbf_poll_cmd(xs, desc, 1000)) { DPRINTF("%s: desc %u timed out\n", sc->sc_dev.dv_xname, desc); + sc->sc_xs[desc] = NULL; xbf_scsi_done(xs, XS_TIMEOUT); return; } @@ -533,12 +534,13 @@ xbf_submit_cmd(struct scsi_xfer *xs) int xbf_poll_cmd(struct scsi_xfer *xs, int desc, int timo) { - struct xbf_softc *sc = xs->sc_link->adapter_softc; - do { - if (sc->sc_xs[desc] == NULL) + if (ISSET(xs->flags, ITSDONE)) break; - delay(1000); + if (ISSET(xs->flags, SCSI_NOSLEEP)) + delay(10); + else + tsleep(xs, PRIBIO, "xbfpoll", 1); } while(--timo > 0); return (0); |