diff options
| author | Bandan Das <bsd@redhat.com> | 2014-01-15 10:11:06 -0700 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2014-01-15 10:11:06 -0700 |
| commit | d20b43dfea1587b561aae17e4fa0f7407779d253 (patch) | |
| tree | 6fcccddf909cc77ffd9b145d05355ab4e9709f12 /hw/misc | |
| parent | 7c4228b4771acddcb8815079bc116007cec8a1ff (diff) | |
vfio: warn if host device rom can't be read
If the device rom can't be read, report an error to the
user. This alerts the user that the device has a bad
state that is causing rom read failure or option rom
loading has been disabled from the device boot menu
(among other reasons).
Signed-off-by: Bandan Das <bsd@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'hw/misc')
| -rw-r--r-- | hw/misc/vfio.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/misc/vfio.c b/hw/misc/vfio.c index ec9f41b98d..ef615fc28f 100644 --- a/hw/misc/vfio.c +++ b/hw/misc/vfio.c @@ -1125,6 +1125,13 @@ static void vfio_pci_load_rom(VFIODevice *vdev) vdev->rom_offset = reg_info.offset; if (!vdev->rom_size) { + error_report("vfio-pci: Cannot read device rom at " + "%04x:%02x:%02x.%x\n", + vdev->host.domain, vdev->host.bus, vdev->host.slot, + vdev->host.function); + error_printf("Device option ROM contents are probably invalid " + "(check dmesg).\nSkip option ROM probe with rombar=0, " + "or load from file with romfile=\n"); return; } |