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authorAkihiko Odaki <akihiko.odaki@daynix.com>2025-03-14 15:14:58 +0900
committerMichael S. Tsirkin <mst@redhat.com>2025-05-14 05:39:14 -0400
commitd0c280d3fac644c26a86d2fb70c5920b3d5bef85 (patch)
tree9e4e8d1e588e33f145275599c54a2c8ff4e11bd0 /hw/pci
parent6f9bebf1dc6b54b63be739ea247b3942f841b9e3 (diff)
downloadfocaccia-qemu-d0c280d3fac644c26a86d2fb70c5920b3d5bef85.tar.gz
focaccia-qemu-d0c280d3fac644c26a86d2fb70c5920b3d5bef85.zip
pcie_sriov: Make a PCI device with user-created VF ARI-capable
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20250314-sriov-v9-9-57dae8ae3ab5@daynix.com>
Tested-by: Yui Washizu <yui.washidu@gmail.com>
Tested-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/pci')
-rw-r--r--hw/pci/pcie_sriov.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/hw/pci/pcie_sriov.c b/hw/pci/pcie_sriov.c
index 08f707e847..3ad18744f4 100644
--- a/hw/pci/pcie_sriov.c
+++ b/hw/pci/pcie_sriov.c
@@ -245,6 +245,7 @@ int16_t pcie_sriov_pf_init_from_user_created_vfs(PCIDevice *dev,
     PCIDevice **vfs;
     BusState *bus = qdev_get_parent_bus(DEVICE(dev));
     uint16_t ven_id = pci_get_word(dev->config + PCI_VENDOR_ID);
+    uint16_t size = PCI_EXT_CAP_SRIOV_SIZEOF;
     uint16_t vf_dev_id;
     uint16_t vf_offset;
     uint16_t vf_stride;
@@ -311,6 +312,11 @@ int16_t pcie_sriov_pf_init_from_user_created_vfs(PCIDevice *dev,
         return -1;
     }
 
+    if (!pcie_find_capability(dev, PCI_EXT_CAP_ID_ARI)) {
+        pcie_ari_init(dev, offset + size);
+        size += PCI_ARI_SIZEOF;
+    }
+
     for (i = 0; i < pf->len; i++) {
         vfs[i]->exp.sriov_vf.pf = dev;
         vfs[i]->exp.sriov_vf.vf_number = i;
@@ -331,7 +337,7 @@ int16_t pcie_sriov_pf_init_from_user_created_vfs(PCIDevice *dev,
         }
     }
 
-    return PCI_EXT_CAP_SRIOV_SIZEOF;
+    return size;
 }
 
 bool pcie_sriov_register_device(PCIDevice *dev, Error **errp)