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path: root/docs/specs/pci-testdev.txt
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* pci-testdev: add optional memory barGerd Hoffmann2018-11-051-5/+10
| | | | | | | | | | | | | Add memory bar to pci-testdev. Size is configurable using the membar property. Setting the size to zero (default) turns it off. Can be used to check whether guests handle large pci bars correctly. Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Tested-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* pci: add pci test deviceMichael S. Tsirkin2013-04-161-0/+26
This device is used for kvm unit tests, currently it supports testing performance of ioeventfd. Using updated kvm unittest, here's an example output: mmio-no-eventfd:pci-mem 8796 mmio-wildcard-eventfd:pci-mem 3609 mmio-datamatch-eventfd:pci-mem 3685 portio-no-eventfd:pci-io 5287 portio-wildcard-eventfd:pci-io 1762 portio-datamatch-eventfd:pci-io 1777 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>