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Message-Id: <20191112173503.176611-2-helgaas@kernel.org>
Date: Tue, 12 Nov 2019 11:35:01 -0600
From: Bjorn Helgaas <helgaas@...nel.org>
To: Alex Deucher <alexander.deucher@....com>,
Christian König <christian.koenig@....com>,
David Zhou <David1.Zhou@....com>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>
Cc: Frederick Lawler <fred@...dlawl.com>,
amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org, Ilia Mirkin <imirkin@...m.mit.edu>,
linux-pci@...r.kernel.org,
Michel Dänzer <michel@...nzer.net>,
Bjorn Helgaas <bhelgaas@...gle.com>
Subject: [PATCH 1/3] PCI: Add #defines for Enter Compliance, Transmit Margin
From: Bjorn Helgaas <bhelgaas@...gle.com>
Add definitions for the Enter Compliance and Transmit Margin fields of the
PCIe Link Control 2 register.
Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
---
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
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