diff mbox series

[v7,1/5] perf/dwc_pcie: Move common DWC struct definitions to 'pcie-dwc.h'

Message ID 20250221131548.59616-2-shradha.t@samsung.com (mailing list archive)
State New
Delegated to: Krzysztof Wilczyński
Headers show
Series Add support for debugfs based RAS DES feature in PCIe DW | expand

Commit Message

Shradha Todi Feb. 21, 2025, 1:15 p.m. UTC 
From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

Since these are common to all Desginware PCIe IPs, move them to a new
header 'pcie-dwc.h', so that other drivers like debugfs, perf and sysfs
could make use of them.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Shradha Todi <shradha.t@samsung.com>
---
 MAINTAINERS                 |  1 +
 drivers/perf/dwc_pcie_pmu.c | 25 +++----------------------
 include/linux/pcie-dwc.h    | 34 ++++++++++++++++++++++++++++++++++
 3 files changed, 38 insertions(+), 22 deletions(-)
 create mode 100644 include/linux/pcie-dwc.h
diff mbox series

Patch

diff --git a/MAINTAINERS b/MAINTAINERS
index 3864d473f52f..6474a2d83de4 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -18167,6 +18167,7 @@  S:	Maintained
 F:	Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml
 F:	Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml
 F:	drivers/pci/controller/dwc/*designware*
+F:	include/linux/pcie-dwc.h
 
 PCI DRIVER FOR TI DRA7XX/J721E
 M:	Vignesh Raghavendra <vigneshr@ti.com>
diff --git a/drivers/perf/dwc_pcie_pmu.c b/drivers/perf/dwc_pcie_pmu.c
index cccecae9823f..da30f2c2d674 100644
--- a/drivers/perf/dwc_pcie_pmu.c
+++ b/drivers/perf/dwc_pcie_pmu.c
@@ -13,6 +13,7 @@ 
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/list.h>
+#include <linux/pcie-dwc.h>
 #include <linux/perf_event.h>
 #include <linux/pci.h>
 #include <linux/platform_device.h>
@@ -99,26 +100,6 @@  struct dwc_pcie_dev_info {
 	struct list_head dev_node;
 };
 
-struct dwc_pcie_pmu_vsec_id {
-	u16 vendor_id;
-	u16 vsec_id;
-	u8 vsec_rev;
-};
-
-/*
- * VSEC IDs are allocated by the vendor, so a given ID may mean different
- * things to different vendors.  See PCIe r6.0, sec 7.9.5.2.
- */
-static const struct dwc_pcie_pmu_vsec_id dwc_pcie_pmu_vsec_ids[] = {
-	{ .vendor_id = PCI_VENDOR_ID_ALIBABA,
-	  .vsec_id = 0x02, .vsec_rev = 0x4 },
-	{ .vendor_id = PCI_VENDOR_ID_AMPERE,
-	  .vsec_id = 0x02, .vsec_rev = 0x4 },
-	{ .vendor_id = PCI_VENDOR_ID_QCOM,
-	  .vsec_id = 0x02, .vsec_rev = 0x4 },
-	{} /* terminator */
-};
-
 static ssize_t cpumask_show(struct device *dev,
 					 struct device_attribute *attr,
 					 char *buf)
@@ -529,14 +510,14 @@  static void dwc_pcie_unregister_pmu(void *data)
 
 static u16 dwc_pcie_des_cap(struct pci_dev *pdev)
 {
-	const struct dwc_pcie_pmu_vsec_id *vid;
+	const struct dwc_pcie_vsec_id *vid;
 	u16 vsec;
 	u32 val;
 
 	if (!pci_is_pcie(pdev) || !(pci_pcie_type(pdev) == PCI_EXP_TYPE_ROOT_PORT))
 		return 0;
 
-	for (vid = dwc_pcie_pmu_vsec_ids; vid->vendor_id; vid++) {
+	for (vid = dwc_pcie_rasdes_vsec_ids; vid->vendor_id; vid++) {
 		vsec = pci_find_vsec_capability(pdev, vid->vendor_id,
 						vid->vsec_id);
 		if (vsec) {
diff --git a/include/linux/pcie-dwc.h b/include/linux/pcie-dwc.h
new file mode 100644
index 000000000000..40f3545731c8
--- /dev/null
+++ b/include/linux/pcie-dwc.h
@@ -0,0 +1,34 @@ 
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2021-2023 Alibaba Inc.
+ *
+ * Copyright 2025 Linaro Ltd.
+ * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+ */
+
+#ifndef LINUX_PCIE_DWC_H
+#define LINUX_PCIE_DWC_H
+
+#include <linux/pci_ids.h>
+
+struct dwc_pcie_vsec_id {
+	u16 vendor_id;
+	u16 vsec_id;
+	u8 vsec_rev;
+};
+
+/*
+ * VSEC IDs are allocated by the vendor, so a given ID may mean different
+ * things to different vendors.  See PCIe r6.0, sec 7.9.5.2.
+ */
+static const struct dwc_pcie_vsec_id dwc_pcie_rasdes_vsec_ids[] = {
+	{ .vendor_id = PCI_VENDOR_ID_ALIBABA,
+	  .vsec_id = 0x02, .vsec_rev = 0x4 },
+	{ .vendor_id = PCI_VENDOR_ID_AMPERE,
+	  .vsec_id = 0x02, .vsec_rev = 0x4 },
+	{ .vendor_id = PCI_VENDOR_ID_QCOM,
+	  .vsec_id = 0x02, .vsec_rev = 0x4 },
+	{} /* terminator */
+};
+
+#endif /* LINUX_PCIE_DWC_H */