diff mbox series

[v15,03/22] PCI: Add INTx Mechanism Messages macros

Message ID 20230509124156.150200-4-yoshihiro.shimoda.uh@renesas.com (mailing list archive)
State Superseded
Delegated to: Geert Uytterhoeven
Headers show
Series PCI: rcar-gen4: Add R-Car Gen4 PCIe support | expand

Commit Message

Yoshihiro Shimoda May 9, 2023, 12:41 p.m. UTC 
Add "Message Routing" and "INTx Mechanism Messages" macros to send
a message by a PCIe driver.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
---
 drivers/pci/pci.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
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Patch

diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 2475098f6518..67badc40e90b 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -11,6 +11,24 @@ 
 
 #define PCI_VSEC_ID_INTEL_TBT	0x1234	/* Thunderbolt */
 
+/* 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
+
 extern const unsigned char pcie_link_speed[];
 extern bool pci_early_dump;