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virtio-iommu: Fix endianness in get_config

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Endianess is not properly handled when populating
the returned config. Use the cpu_to_le* primitives
for each separate field. Also, while at it, trace
the domain range start.

Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Message-Id: <20211127072910.1261824-3-eric.auger@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Eric Auger 2021-11-27 08:29:08 +01:00 • committed by Thomas Huth
parent 7b140d2359
commit 3a411b2d96
2 changed files with 16 additions and 8 deletions
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22
hw/virtio/virtio-iommu.c
View file

@ -822,14 +822,22 @@ unlock:
static void virtio_iommu_get_config(VirtIODevice *vdev, uint8_t *config_data)
{
VirtIOIOMMU *dev = VIRTIO_IOMMU(vdev);
struct virtio_iommu_config *config = &dev->config;
struct virtio_iommu_config *dev_config = &dev->config;
struct virtio_iommu_config *out_config = (void *)config_data;
trace_virtio_iommu_get_config(config->page_size_mask,
config->input_range.start,
config->input_range.end,
config->domain_range.end,
config->probe_size);
memcpy(config_data, &dev->config, sizeof(struct virtio_iommu_config));
out_config->page_size_mask = cpu_to_le64(dev_config->page_size_mask);
out_config->input_range.start = cpu_to_le64(dev_config->input_range.start);
out_config->input_range.end = cpu_to_le64(dev_config->input_range.end);
out_config->domain_range.start = cpu_to_le32(dev_config->domain_range.start);
out_config->domain_range.end = cpu_to_le32(dev_config->domain_range.end);
out_config->probe_size = cpu_to_le32(dev_config->probe_size);
trace_virtio_iommu_get_config(dev_config->page_size_mask,
dev_config->input_range.start,
dev_config->input_range.end,
dev_config->domain_range.start,
dev_config->domain_range.end,
dev_config->probe_size);
}
static uint64_t virtio_iommu_get_features(VirtIODevice *vdev, uint64_t f,