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[Qemu-devel] [for-3.2 PATCH 7/9] vfio/pci: Remove PCIe Link Status emula
From: |
Alex Williamson |
Subject: |
[Qemu-devel] [for-3.2 PATCH 7/9] vfio/pci: Remove PCIe Link Status emulation |
Date: |
Fri, 30 Nov 2018 17:14:37 -0700 |
User-agent: |
StGit/0.19-dirty |
Now that the downstream port will virtually negotiate itself to the
link status of the downstream devie, we can remove this emulation.
It's not clear that it was every terribly useful anyway.
Tested-by: Geoffrey McRae <address@hidden>
Signed-off-by: Alex Williamson <address@hidden>
---
hw/vfio/pci.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 74f9a46b4be0..c0cb1ec28908 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);
}
/*
- [Qemu-devel] [for-3.2 PATCH 0/9] pcie: Enhanced link speed and width support, Alex Williamson, 2018/11/30
- [Qemu-devel] [for-3.2 PATCH 1/9] pcie: Create enums for link speed and width, Alex Williamson, 2018/11/30
- [Qemu-devel] [for-3.2 PATCH 2/9] pci: Sync PCIe downstream port LNKSTA on read, Alex Williamson, 2018/11/30
- [Qemu-devel] [for-3.2 PATCH 3/9] qapi: Define PCIe link speed and width properties, Alex Williamson, 2018/11/30
- [Qemu-devel] [for-3.2 PATCH 4/9] pcie: Add link speed and width fields to PCIESlot, Alex Williamson, 2018/11/30
- [Qemu-devel] [for-3.2 PATCH 5/9] pcie: Fill PCIESlot link fields to support higher speeds and widths, Alex Williamson, 2018/11/30
- [Qemu-devel] [for-3.2 PATCH 6/9] pcie: Allow generic PCIe root port to specify link speed and width, Alex Williamson, 2018/11/30
- [Qemu-devel] [for-3.2 PATCH 7/9] vfio/pci: Remove PCIe Link Status emulation,
Alex Williamson <=
- [Qemu-devel] [for-3.2 PATCH 8/9] q35/440fx/arm/spapr: Add QEMU 3.2 machine type, Alex Williamson, 2018/11/30
- [Qemu-devel] [for-3.2 PATCH 9/9] pcie: Fast PCIe root ports for new machines, Alex Williamson, 2018/11/30