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| author |   sf <sf@openbsd.org> | 2017-03-16 21:08:50 +0000 |
|---|---|---|
| committer | sf <sf@openbsd.org> | 2017-03-16 21:08:50 +0000 |
| commit | ebd2431fde099c6ee40b7f9aa78886881fddccf1 (patch) | |
| tree | c23756ebc3c9ddc719c5deb607adab24dae74005 | |
| parent | vioscsi: return XS_NO_CCB if out of space (diff) | |
| download | wireguard-openbsd-ebd2431fde099c6ee40b7f9aa78886881fddccf1.tar.xz wireguard-openbsd-ebd2431fde099c6ee40b7f9aa78886881fddccf1.zip | |
vioscsi: Negotiate features during attach
While vioscsi does not support any virtio-scsi features, we need to call
virtio_negotiate_features() in order to negotiate device-independent
features like VIRTIO_F_RING_INDIRECT_DESC.
| -rw-r--r-- | sys/dev/pv/vioscsi.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/dev/pv/vioscsi.c b/sys/dev/pv/vioscsi.c index e9d18a14bee..4a0ab775c5b 100644 --- a/sys/dev/pv/vioscsi.c +++ b/sys/dev/pv/vioscsi.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vioscsi.c,v 1.4 2017/03/16 21:08:03 sf Exp $ */ +/* $OpenBSD: vioscsi.c,v 1.5 2017/03/16 21:08:50 sf Exp $ */ /* * Copyright (c) 2013 Google Inc. * @@ -129,6 +129,7 @@ vioscsi_attach(struct device *parent, struct device *self, void *aux) vsc->sc_vqs = sc->sc_vqs; vsc->sc_nvqs = nitems(sc->sc_vqs); + virtio_negotiate_features(vsc, 0, NULL); uint32_t cmd_per_lun = virtio_read_device_config_4(vsc, VIRTIO_SCSI_CONFIG_CMD_PER_LUN); uint32_t seg_max = virtio_read_device_config_4(vsc, |