summaryrefslogtreecommitdiff
path: root/include/linux
diff options
context:
space:
mode:
authorIlpo Järvinen <ilpo.jarvinen@linux.intel.com>2025-01-14 20:08:35 +0300
committerBjorn Helgaas <bhelgaas@google.com>2025-01-15 02:39:04 +0300
commitede5d5dbef6f3a1f25ee4e9d1999750827aa0640 (patch)
tree07bc1247865cbd94e004cf89ec2cef4732ada5b7 /include/linux
parenta71c59269e51f9fffd97a7be199ff74478759e1c (diff)
downloadlinux-ede5d5dbef6f3a1f25ee4e9d1999750827aa0640.tar.xz
PCI: Add defines for TLP Header/Prefix log sizes
Add defines for AER and DPC capabilities TLP Header Logging register sizes (PCIe r6.2, sec 7.8.4 / 7.9.14) and replace literals with them. Link: https://lore.kernel.org/r/20250114170840.1633-4-ilpo.jarvinen@linux.intel.com Suggested-by: Yazen Ghannam <yazen.ghannam@amd.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'include/linux')
-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 {