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envelope-from=roger.pau@citrix.com; helo=BL0PR03CU003.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org It's currently impossible for passthrough devices on segment different than 0 to work correctly, as the PCI domain is not provided to xc_physdev_map_pirq_msi(), and hence it's unconditionally assumed that all devices are on segment 0. Adjust the call to xc_physdev_map_pirq_msi() to pass the PCI domain in the high 16bits of the bus parameter. On versions of Xen where this is not supported the passed segment will be ignored and assume to be 0, no worse than the current state. Signed-off-by: Roger Pau Monné --- Cc: Stefano Stabellini Cc: Anthony PERARD Cc: Paul Durrant Cc: "Edgar E. Iglesias" Cc: xen-devel@lists.xenproject.org --- hw/xen/xen_pt_msi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/xen/xen_pt_msi.c b/hw/xen/xen_pt_msi.c index e9ba17317aba..df15ccf0d030 100644 --- a/hw/xen/xen_pt_msi.c +++ b/hw/xen/xen_pt_msi.c @@ -138,6 +138,7 @@ static int msi_msix_setup(XenPCIPassthroughState *s, rc = xc_physdev_map_pirq_msi(xen_xc, xen_domid, XEN_PT_AUTO_ASSIGN, ppirq, PCI_DEVFN(s->real_device.dev, s->real_device.func), + ((uint32_t)s->real_device.domain << 16) | s->real_device.bus, msix_entry, table_base); if (rc) { -- 2.51.0