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| author | Alex Williamson <alex.williamson@redhat.com> | 2018-12-12 12:39:56 -0700 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2018-12-19 16:48:16 -0500 |
| commit | d26e543891068254c4575567a31280be5881e49d (patch) | |
| tree | 09944b1004a5e493f14f4378503b1bf132a31e2a /hw | |
| parent | c2a490e344b4e231cf9488c67df7ee46977b1ebe (diff) | |
| download | qemu-d26e543891068254c4575567a31280be5881e49d.zip qemu-d26e543891068254c4575567a31280be5881e49d.tar.gz qemu-d26e543891068254c4575567a31280be5881e49d.tar.bz2 | |
vfio/pci: Remove PCIe Link Status emulation
Now that the downstream port will virtually negotiate itself to the
link status of the downstream device, we can remove this emulation.
It's not clear that it was every terribly useful anyway.
Tested-by: Geoffrey McRae <geoff@hostfission.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/vfio/pci.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index 74f9a46..c0cb1ec 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -1901,12 +1901,6 @@ static int vfio_setup_pcie_cap(VFIOPCIDevice *vdev, int pos, uint8_t size, QEMU_PCI_EXP_LNKCAP_MLS(QEMU_PCI_EXP_LNK_2_5GT), ~0); vfio_add_emulated_word(vdev, pos + PCI_EXP_LNKCTL, 0, ~0); } - - /* Mark the Link Status bits as emulated to allow virtual negotiation */ - vfio_add_emulated_word(vdev, pos + PCI_EXP_LNKSTA, - pci_get_word(vdev->pdev.config + pos + - PCI_EXP_LNKSTA), - PCI_EXP_LNKCAP_MLW | PCI_EXP_LNKCAP_SLS); } /* |