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> --- .../pci/controller/dwc/pcie-designware-ep.c | 1 + drivers/pci/pci.h | 19 +++++++++++++++++++ 2 files changed, 20 insertions(+) diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index f9182f8d552f..205bbcc6af27 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -9,6 +9,7 @@ #include <linux/of.h> #include <linux/platform_device.h> +#include "../../pci.h" #include "pcie-designware.h" #include <linux/pci-epc.h> #include <linux/pci-epf.h> diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 2475098f6518..4be376c121a4 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -11,6 +11,25 @@ #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; -- 2.25.1
