Signed-off-by: Sheng Yang <sheng@xxxxxxxxxxxxxxx>
---
hw/device-assignment.c | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/hw/device-assignment.c b/hw/device-assignment.c
index d1a6282..aa3358e 100644
--- a/hw/device-assignment.c
+++ b/hw/device-assignment.c
@@ -269,6 +269,9 @@ static void assigned_dev_iomem_map(PCIDevice *pci_dev, int region_num,
AssignedDevRegion *region = &r_dev->v_addrs[region_num];
PCIRegion *real_region = &r_dev->real_device.regions[region_num];
int ret = 0;
+#ifdef KVM_CAP_DEVICE_MSIX_MASK
+ struct kvm_assigned_msix_mmio msix_mmio;
+#endif
DEBUG("e_phys=%08" FMT_PCIBUS " r_virt=%p type=%d len=%08" FMT_PCIBUS " region_num=%d \n",
e_phys, region->u.r_virtbase, type, e_size, region_num);
@@ -287,6 +290,16 @@ static void assigned_dev_iomem_map(PCIDevice *pci_dev, int region_num,
cpu_register_physical_memory(e_phys + offset,
TARGET_PAGE_SIZE, r_dev->mmio_index);
+#ifdef KVM_CAP_DEVICE_MSIX_MASK
+ memset(&msix_mmio, 0, sizeof(struct kvm_assigned_msix_mmio));
+ msix_mmio.assigned_dev_id = calc_assigned_dev_id(r_dev->h_segnr,
+ r_dev->h_busnr, r_dev->h_devfn);
+ msix_mmio.base_addr = e_phys + offset;
+ if (kvm_assign_reg_msix_mmio(kvm_context, &msix_mmio))
+ fprintf(stderr, "fail to register in-kernel msix_mmio!\n");
+ /* We can still continue because the MMIO accessing can fall
+ * back to QEmu */
+#endif
}
}
--
1.7.0.1
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