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| /freebsd-9.3-release/sys/dev/pci/ | ||
| H A D | pcib_private.h | diff 253273 Fri Jul 12 14:49:45 MDT 2013 marius MFC: r253120 - As it turns out, not only MSI-X is broken for devices passed through by VMware up to at least ESXi 5.1. Actually, using INTx in that case instead may still result in interrupt storms, with MSI being the only working option in some configurations. So introduce a PCI_QUIRK_DISABLE_MSIX quirk which only blacklists MSI-X but not also MSI and use it for the VMware PCI-PCI-bridges. Note that, currently, we still assume that if MSI doesn't work, MSI-X won't work either - but that's part of the internal logic and not guaranteed as part of the API contract. While at it, add and employ a pci_has_quirk() helper. Reported and tested by: Paul Bucher - Use NULL instead of 0 for pointers. Submitted by: jhb (mostly) Approved by: re (hrs), jhb |
| H A D | pci_pci.c | diff 253273 Fri Jul 12 14:49:45 MDT 2013 marius MFC: r253120 - As it turns out, not only MSI-X is broken for devices passed through by VMware up to at least ESXi 5.1. Actually, using INTx in that case instead may still result in interrupt storms, with MSI being the only working option in some configurations. So introduce a PCI_QUIRK_DISABLE_MSIX quirk which only blacklists MSI-X but not also MSI and use it for the VMware PCI-PCI-bridges. Note that, currently, we still assume that if MSI doesn't work, MSI-X won't work either - but that's part of the internal logic and not guaranteed as part of the API contract. While at it, add and employ a pci_has_quirk() helper. Reported and tested by: Paul Bucher - Use NULL instead of 0 for pointers. Submitted by: jhb (mostly) Approved by: re (hrs), jhb |
| H A D | pcivar.h | diff 253273 Fri Jul 12 14:49:45 MDT 2013 marius MFC: r253120 - As it turns out, not only MSI-X is broken for devices passed through by VMware up to at least ESXi 5.1. Actually, using INTx in that case instead may still result in interrupt storms, with MSI being the only working option in some configurations. So introduce a PCI_QUIRK_DISABLE_MSIX quirk which only blacklists MSI-X but not also MSI and use it for the VMware PCI-PCI-bridges. Note that, currently, we still assume that if MSI doesn't work, MSI-X won't work either - but that's part of the internal logic and not guaranteed as part of the API contract. While at it, add and employ a pci_has_quirk() helper. Reported and tested by: Paul Bucher - Use NULL instead of 0 for pointers. Submitted by: jhb (mostly) Approved by: re (hrs), jhb |
| H A D | pci.c | diff 253273 Fri Jul 12 14:49:45 MDT 2013 marius MFC: r253120 - As it turns out, not only MSI-X is broken for devices passed through by VMware up to at least ESXi 5.1. Actually, using INTx in that case instead may still result in interrupt storms, with MSI being the only working option in some configurations. So introduce a PCI_QUIRK_DISABLE_MSIX quirk which only blacklists MSI-X but not also MSI and use it for the VMware PCI-PCI-bridges. Note that, currently, we still assume that if MSI doesn't work, MSI-X won't work either - but that's part of the internal logic and not guaranteed as part of the API contract. While at it, add and employ a pci_has_quirk() helper. Reported and tested by: Paul Bucher - Use NULL instead of 0 for pointers. Submitted by: jhb (mostly) Approved by: re (hrs), jhb |
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