PCI: Add #defines for Enter Compliance, Transmit Margin

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

Link: https://lore.kernel.org/r/20191112173503.176611-2-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index 29d6e93..5869e57 100644 (file)
--- 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 */