[PATCH v5 3/4] PCI: Add AER bits #defines for PCIe to PCI/PCI-X Bridge

From: LeoLiu-oc
Date: Wed Feb 26 2025 - 19:50:58 EST


From: LeoLiuoc <LeoLiu-oc@xxxxxxxxxxx>

Define secondary uncorrectable error mask register, secondary
uncorrectable error severity register and secondary error capabilities and
control register bits in AER capability for PCIe to PCI/PCI-X Bridge.
Please refer to PCIe to PCI/PCI-X Bridge Specification r1.0, sec 5.2.3.2,
5.2.3.3 and 5.2.3.4.

Signed-off-by: LeoLiuoc <LeoLiu-oc@xxxxxxxxxxx>
---
include/uapi/linux/pci_regs.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index 3445c4970e4d..0566c663beb7 100644
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -812,6 +812,10 @@
#define PCI_ERR_ROOT_ERR_SRC 0x34 /* Error Source Identification */
#define PCI_ERR_PREFIX_LOG 0x38 /* TLP Prefix LOG Register (up to 16 bytes) */

+#define PCI_ERR_UNCOR_MASK2 0x30 /* PCIe to PCI/PCI-X Bridge */
+#define PCI_ERR_UNCOR_SEVER2 0x34 /* PCIe to PCI/PCI-X Bridge */
+#define PCI_ERR_CAP2 0x38 /* PCIe to PCI/PCI-X Bridge */
+
/* Virtual Channel */
#define PCI_VC_PORT_CAP1 0x04
#define PCI_VC_CAP1_EVCC 0x00000007 /* extended VC count */
--
2.34.1