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| author | Peter Maydell <peter.maydell@linaro.org> | 2021-02-05 15:27:02 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-02-05 15:27:02 +0000 |
| commit | d0dddab40e472ba62b5f43f11cc7dba085dabe71 (patch) | |
| tree | 249639b15b62ad4f5c38a5de81193fb1360d741e /hw/virtio/virtio-mmio.c | |
| parent | e2c5093c993ef646e4e28f7aa78429853bcc06ac (diff) | |
| parent | 277a582bf88a3058fa094e078a5310a2deb37da6 (diff) | |
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pc,virtio,pci: fixes, features,code removal
Fixes all over the place.
Ability to control ACPI OEM ID's.
Ability to control rom BAR size.
Removal of deprecated pc machine types.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Fri 05 Feb 2021 13:54:32 GMT
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* remotes/mst/tags/for_upstream:
tests/acpi: disallow updates for expected data files
tests/acpi: update expected data files
tests/acpi: add OEM ID and OEM TABLE ID test
acpi: use constants as strncpy limit
acpi: Permit OEM ID and OEM table ID fields to be changed
tests/acpi: allow updates for expected data files
vhost: Check for valid vdev in vhost_backend_handle_iotlb_msg
hw/virtio/virtio-balloon: Remove the "class" property
hw/i386: Remove the deprecated pc-1.x machine types
vhost: Unbreak SMMU and virtio-iommu on dev-iotlb support
virtio-pmem: add trace events
virtio: Add corresponding memory_listener_unregister to unrealize
virtio-mmio: fix guest kernel crash with SHM regions
virtio: move 'use-disabled-flag' property to hw_compat_4_2
pci: add romsize property
pci: reject too large ROMs
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/virtio/virtio-mmio.c')
| -rw-r--r-- | hw/virtio/virtio-mmio.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c index e1b5c3b81e..610661d6a5 100644 --- a/hw/virtio/virtio-mmio.c +++ b/hw/virtio/virtio-mmio.c @@ -191,6 +191,14 @@ static uint64_t virtio_mmio_read(void *opaque, hwaddr offset, unsigned size) return 0; } return vdev->generation; + case VIRTIO_MMIO_SHM_LEN_LOW: + case VIRTIO_MMIO_SHM_LEN_HIGH: + /* + * VIRTIO_MMIO_SHM_SEL is unimplemented + * according to the linux driver, if region length is -1 + * the shared memory doesn't exist + */ + return -1; case VIRTIO_MMIO_DEVICE_FEATURES_SEL: case VIRTIO_MMIO_DRIVER_FEATURES: case VIRTIO_MMIO_DRIVER_FEATURES_SEL: |