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Merge remote-tracking branch 'remotes/bonzini/scsi-next' into staging

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* remotes/bonzini/scsi-next:
  configure: Fix -lm test, so that tools can be compiled on hosts that require -lm
  virtio-scsi: scsi events must be converted to target endianness
  virtio-scsi: virtio_scsi_push_event() lacks VirtIOSCSIReq parsing

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2014-07-01 10:28:52 +01:00
commit d94a658712
3 changed files with 4 additions and 14 deletions
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4
Makefile.target
View File

@ -163,10 +163,6 @@ dummy := $(call unnest-vars,.., \
all-obj-y += $(common-obj-y)
all-obj-$(CONFIG_SOFTMMU) += $(block-obj-y)
ifndef CONFIG_HAIKU
LIBS+=-lm
endif
# build either PROG or PROGW
$(QEMU_PROG_BUILD): $(all-obj-y) ../libqemuutil.a ../libqemustub.a
$(call LINK,$^)

2
configure vendored
View File

@ -3453,7 +3453,7 @@ fi
# Do we need libm
cat > $TMPC << EOF
#include <math.h>
int main(void) { return isnan(sin(0.0)); }
int main(int argc, char **argv) { return isnan(sin((double)argc)); }
EOF
if compile_prog "" "" ; then
:

12
hw/scsi/virtio-scsi.c
View File

@ -565,7 +565,6 @@ static void virtio_scsi_push_event(VirtIOSCSI *s, SCSIDevice *dev,
VirtIOSCSIReq *req;
VirtIOSCSIEvent *evt;
VirtIODevice *vdev = VIRTIO_DEVICE(s);
int in_size;
if (!(vdev->status & VIRTIO_CONFIG_S_DRIVER_OK)) {
return;
@ -577,24 +576,19 @@ static void virtio_scsi_push_event(VirtIOSCSI *s, SCSIDevice *dev,
return;
}
if (req->elem.out_num) {
virtio_scsi_bad_req();
}
if (s->events_dropped) {
event |= VIRTIO_SCSI_T_EVENTS_MISSED;
s->events_dropped = false;
}
in_size = iov_size(req->elem.in_sg, req->elem.in_num);
if (in_size < sizeof(VirtIOSCSIEvent)) {
if (virtio_scsi_parse_req(req, 0, sizeof(VirtIOSCSIEvent))) {
virtio_scsi_bad_req();
}
evt = &req->resp.event;
memset(evt, 0, sizeof(VirtIOSCSIEvent));
evt->event = event;
evt->reason = reason;
evt->event = virtio_tswap32(vdev, event);
evt->reason = virtio_tswap32(vdev, reason);
if (!dev) {
assert(event == VIRTIO_SCSI_T_EVENTS_MISSED);
} else {