Add "Message Routing" and "INTx Mechanism Messages" macros to send
a message by a PCIe driver.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
---
include/linux/pci.h | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 0b57e37d8e77..ada1047035a8 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1050,6 +1050,24 @@ enum {
#define PCI_IRQ_MSIX (1 << 2) /* Allow MSI-X interrupts */
#define PCI_IRQ_AFFINITY (1 << 3) /* Auto-assign affinity */
+/* Message Routing */
+#define PCI_MSG_ROUTING_RC 0
+#define PCI_MSG_ROUTING_ADDR 1
+#define PCI_MSG_ROUTING_ID 2
+#define PCI_MSG_ROUTING_BC 3
+#define PCI_MSG_ROUTING_LOCAL 4
+#define PCI_MSG_ROUTING_GATHER 5
+
+/* INTx Mechanism Messages */
+#define PCI_CODE_ASSERT_INTA 0x20
+#define PCI_CODE_ASSERT_INTB 0x21
+#define PCI_CODE_ASSERT_INTC 0x22
+#define PCI_CODE_ASSERT_INTD 0x23
+#define PCI_CODE_DEASSERT_INTA 0x24
+#define PCI_CODE_DEASSERT_INTB 0x25
+#define PCI_CODE_DEASSERT_INTC 0x26
+#define PCI_CODE_DEASSERT_INTD 0x27
+
/* These external functions are only available when PCI support is enabled */
#ifdef CONFIG_PCI
--
2.25.1
