Doesn't do it for megasas & hcd-xhci, later patches will fix them. Signed-off-by: Cao jin <caoj.f...@cn.fujitsu.com> --- hw/net/e1000e.c | 4 ++++ hw/net/rocker/rocker.c | 5 +++++ hw/net/vmxnet3.c | 6 +++++- hw/virtio/virtio-pci.c | 13 +++++++------ 4 files changed, 21 insertions(+), 7 deletions(-)
diff --git a/hw/net/e1000e.c b/hw/net/e1000e.c index ed04adce061c..74cbbef30366 100644 --- a/hw/net/e1000e.c +++ b/hw/net/e1000e.c @@ -294,6 +294,10 @@ e1000e_init_msix(E1000EState *s) E1000E_MSIX_IDX, E1000E_MSIX_PBA, 0xA0, NULL); + /* Any error other than -ENOTSUP(board's MSI support is broken) + * is a programming error. Fall back to INTx silently on -ENOTSUP */ + assert(!res || res == -ENOTSUP); + if (res < 0) { trace_e1000e_msix_init_fail(res); } else { diff --git a/hw/net/rocker/rocker.c b/hw/net/rocker/rocker.c index 6e70fddee36b..e394fd61fe64 100644 --- a/hw/net/rocker/rocker.c +++ b/hw/net/rocker/rocker.c @@ -1264,6 +1264,11 @@ static int rocker_msix_init(Rocker *r) &r->msix_bar, ROCKER_PCI_MSIX_BAR_IDX, ROCKER_PCI_MSIX_PBA_OFFSET, 0, &local_err); + + /* Any error other than -ENOTSUP(board's MSI support is broken) + * is a programming error. */ + assert(!err || err == -ENOTSUP); + if (err) { error_report_err(local_err); return err; diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c index 7b2971fe5902..a433cc017cb1 100644 --- a/hw/net/vmxnet3.c +++ b/hw/net/vmxnet3.c @@ -2193,8 +2193,12 @@ vmxnet3_init_msix(VMXNET3State *s) VMXNET3_MSIX_BAR_IDX, VMXNET3_OFF_MSIX_PBA(s), VMXNET3_MSIX_OFFSET(s), NULL); + /* Any error other than -ENOTSUP(board's MSI support is broken) + * is a programming error. Fall back to INTx on -ENOTSUP */ + assert(!res || res == -ENOTSUP); + if (0 > res) { - VMW_WRPRN("Failed to initialize MSI-X, error %d", res); + VMW_WRPRN("Failed to initialize MSI-X, board's MSI support is broken"); s->msix_used = false; } else { if (!vmxnet3_use_msix_vectors(s, VMXNET3_MAX_INTRS)) { diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index 4c2c4941d245..2417c78c477e 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -1670,13 +1670,14 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp) if (proxy->nvectors) { int err = msix_init_exclusive_bar(&proxy->pci_dev, proxy->nvectors, - proxy->msix_bar_idx, NULL); + proxy->msix_bar_idx, errp); + + /* Any error other than -ENOTSUP(board's MSI support is broken) + * is a programming error. */ + assert(!err || err == -ENOTSUP); + if (err) { - /* Notice when a system that supports MSIx can't initialize it */ - if (err != -ENOTSUP) { - error_report("unable to init msix vectors to %" PRIu32, - proxy->nvectors); - } + error_report_err(*errp); proxy->nvectors = 0; } } -- 2.1.0