diff mbox series

[v2,4/4] pcie: Note a caveat regarding ARI next function number

Message ID 20230702094631.39111-5-akihiko.odaki@daynix.com
State New
Headers show
Series pcie: Fix ARI next function numbers | expand

Commit Message

Akihiko Odaki July 2, 2023, 9:46 a.m. UTC 
Suggested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
---
 include/hw/pci/pcie.h | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/include/hw/pci/pcie.h b/include/hw/pci/pcie.h
index 3cc2b15957..16860e2216 100644
--- a/include/hw/pci/pcie.h
+++ b/include/hw/pci/pcie.h
@@ -134,7 +134,14 @@  void pcie_sync_bridge_lnk(PCIDevice *dev);
 void pcie_acs_init(PCIDevice *dev, uint16_t offset);
 void pcie_acs_reset(PCIDevice *dev);
 
+/*
+ * Note: for non-VFs, nextfn must be the Function Number of the next higher
+ * numbered Function in the Device, or 00h if there are no higher numbered
+ * Functions.
+ * TODO: validate this.
+ */
 void pcie_ari_init(PCIDevice *dev, uint16_t offset, uint16_t nextfn);
+
 void pcie_dev_ser_num_init(PCIDevice *dev, uint16_t offset, uint64_t ser_num);
 void pcie_ats_init(PCIDevice *dev, uint16_t offset, bool aligned);