在 2022/10/28 5:56, Bjorn Helgaas 写道:
On Thu, Oct 27, 2022 at 11:15:54AM +0800, LeoLiu-oc wrote:
From: leoliu-oc <leoliu-oc@xxxxxxxxxxx>
Define PCI Express Advanced Error Reporting Extended Capabilities bits.
Signed-off-by: leoliu-oc <leoliu-oc@xxxxxxxxxxx>
---
include/uapi/linux/pci_regs.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index 57b8e2ffb1dd..3662106fd8dc 100644
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -799,6 +799,11 @@
#define PCI_ERR_ROOT_AER_IRQ 0xf8000000 /* Advanced Error Interrupt Message Number */
#define PCI_ERR_ROOT_ERR_SRC 0x34 /* Error Source Identification */
+/* PCI Express Advanced Error Reporting Extended Capabilities for Bridges */
+#define PCI_ERR_UNCOR_MASK2 0x30 /* Secondary Uncorrectable Error Mask */
+#define PCI_ERR_UNCOR_SEVER2 0x34 /* Secondary Uncorrectable Error Severit */
+#define PCI_ERR_CAP2 0x38 /* Secondary Advanced Error Capabilities */
Can you include a spec reference for these? I'm looking at PCIe r6.0,
sec 7.8.4, and I don't see anything I can match up with these.
Bjorn
Please refer to PCI Express to PCI/PCI-X Bridge Specification, sec
5.2.3.2, 5.2.3.3 and 5.2.3.4.
Thanks
leoliu-oc
