[PATCH 1/3] PCI: Add #defines for Enter Compliance, Transmit Margin

From: Bjorn Helgaas
Date: Tue Nov 12 2019 - 12:35:21 EST


From: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>

Add definitions for the Enter Compliance and Transmit Margin fields of the
PCIe Link Control 2 register.

Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
---
include/uapi/linux/pci_regs.h | 2 ++
1 file changed, 2 insertions(+)

diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index 29d6e93fd15e..5869e5778a05 100644
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -673,6 +673,8 @@
#define PCI_EXP_LNKCTL2_TLS_8_0GT 0x0003 /* Supported Speed 8GT/s */
#define PCI_EXP_LNKCTL2_TLS_16_0GT 0x0004 /* Supported Speed 16GT/s */
#define PCI_EXP_LNKCTL2_TLS_32_0GT 0x0005 /* Supported Speed 32GT/s */
+#define PCI_EXP_LNKCTL2_ENTER_COMP 0x0010 /* Enter Compliance */
+#define PCI_EXP_LNKCTL2_TX_MARGIN 0x0380 /* Transmit Margin */
#define PCI_EXP_LNKSTA2 50 /* Link Status 2 */
#define PCI_CAP_EXP_ENDPOINT_SIZEOF_V2 52 /* v2 endpoints with link end here */
#define PCI_EXP_SLTCAP2 52 /* Slot Capabilities 2 */
--
2.24.0.rc1.363.gb1bccd3e3d-goog