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-rw-r--r--include/linux/aer.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/aer.h b/include/linux/aer.h
index 190a0a2061cd..4ef6515c3205 100644
--- a/include/linux/aer.h
+++ b/include/linux/aer.h
@@ -16,10 +16,17 @@
#define AER_CORRECTABLE 2
#define DPC_FATAL 3
+/*
+ * AER and DPC capabilities TLP Logging register sizes (PCIe r6.2, sec 7.8.4
+ * & 7.9.14).
+ */
+#define PCIE_STD_NUM_TLP_HEADERLOG 4
+#define PCIE_STD_MAX_TLP_PREFIXLOG 4
+
struct pci_dev;
struct pcie_tlp_log {
- u32 dw[4];
+ u32 dw[PCIE_STD_NUM_TLP_HEADERLOG];
};
struct aer_capability_regs {