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-rw-r--r--include/pci.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/pci.h b/include/pci.h
index c55d6107a49..2f5eb30b83c 100644
--- a/include/pci.h
+++ b/include/pci.h
@@ -360,6 +360,13 @@
#define PCI_EXP_TYPE_PCIE_BRIDGE 0x8 /* PCI/PCI-X to PCIe Bridge */
#define PCI_EXP_DEVCAP 4 /* Device capabilities */
#define PCI_EXP_DEVCAP_FLR 0x10000000 /* Function Level Reset */
+#define PCI_EXP_DEVCAP_PAYLOAD 0x0007 /* Max payload size supported */
+#define PCI_EXP_DEVCAP_PAYLOAD_128B 0x0000 /* 128 Bytes */
+#define PCI_EXP_DEVCAP_PAYLOAD_256B 0x0001 /* 256 Bytes */
+#define PCI_EXP_DEVCAP_PAYLOAD_512B 0x0002 /* 512 Bytes */
+#define PCI_EXP_DEVCAP_PAYLOAD_1024B 0x0003 /* 1024 Bytes */
+#define PCI_EXP_DEVCAP_PAYLOAD_2048B 0x0004 /* 2048 Bytes */
+#define PCI_EXP_DEVCAP_PAYLOAD_4096B 0x0005 /* 4096 Bytes */
#define PCI_EXP_DEVCTL 8 /* Device Control */
#define PCI_EXP_DEVCTL_PAYLOAD 0x00e0 /* Max_Payload_Size */
#define PCI_EXP_DEVCTL_PAYLOAD_128B 0x0000 /* 128 Bytes */