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| author | Bjorn Helgaas <bhelgaas@google.com> | 2019-11-12 11:07:36 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-09-23 10:48:05 +0200 |
| commit | e50a0d4aefafa6fee15474cbf9a9e4d1d94d4c7a (patch) | |
| tree | 0b2d81e7fe86b62e127eccf62662656de5e4d071 /include/uapi | |
| parent | eac3517cd33568e8e15a4b51dcb96cd059bc58e4 (diff) | |
| download | linux-stable-e50a0d4aefafa6fee15474cbf9a9e4d1d94d4c7a.tar.gz linux-stable-e50a0d4aefafa6fee15474cbf9a9e4d1d94d4c7a.tar.bz2 linux-stable-e50a0d4aefafa6fee15474cbf9a9e4d1d94d4c7a.zip | |
PCI: Add #defines for Enter Compliance, Transmit Margin
[ Upstream commit bbdb2f5ecdf1e66b2f09710134db3c2e5c43a958 ]
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>
Stable-dep-of: ce7d88110b9e ("drm/amdgpu: Use RMW accessors for changing LNKCTL")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/pci_regs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index c47dbeeb0231..39c69235a384 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -671,6 +671,8 @@ #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 */ |