net: hns3: add trace event support for PF/VF mailbox (d8355240) · Commits · 戴 / test

drivers/net/ethernet/hisilicon/hns3/hns3pf/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -4,6 +4,7 @@
		#

		ccflags-y := -I $(srctree)/drivers/net/ethernet/hisilicon/hns3
		ccflags-y += -I $(srctree)/$(src)

		obj-$(CONFIG_HNS3_HCLGE) += hclge.o
		hclge-objs = hclge_main.o hclge_cmd.o hclge_mdio.o hclge_tm.o hclge_mbx.o hclge_err.o hclge_debugfs.o

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -5,6 +5,9 @@
		#include "hclge_mbx.h"
		#include "hnae3.h"

		#define CREATE_TRACE_POINTS
		#include "hclge_trace.h"

		static u16 hclge_errno_to_resp(int errno)
		{
		return abs(errno);
		@@ -90,6 +93,8 @@ static int hclge_send_mbx_msg(struct hclge_vport vport, u8 msg, u16 msg_len,

		memcpy(&resp_pf_to_vf->msg.vf_mbx_msg_code, msg, msg_len);

		trace_hclge_pf_mbx_send(hdev, resp_pf_to_vf);

		status = hclge_cmd_send(&hdev->hw, &desc, 1);
		if (status)
		dev_err(&hdev->pdev->dev,
		@@ -674,6 +679,8 @@ void hclge_mbx_handler(struct hclge_dev *hdev)

		vport = &hdev->vport[req->mbx_src_vfid];

		trace_hclge_pf_mbx_get(hdev, req);

		switch (req->msg.code) {
		case HCLGE_MBX_MAP_RING_TO_VECTOR:
		ret = hclge_map_unmap_ring_to_vf_vector(vport, true,

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_trace.h

0 → 100644

+87 −0

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: GPL-2.0+ */
		/* Copyright (c) 2018-2020 Hisilicon Limited. */

		/* This must be outside ifdef _HCLGE_TRACE_H */
		#undef TRACE_SYSTEM
		#define TRACE_SYSTEM hns3

		#if !defined(_HCLGE_TRACE_H_) \|\| defined(TRACE_HEADER_MULTI_READ)
		#define _HCLGE_TRACE_H_

		#include <linux/tracepoint.h>

		#define PF_GET_MBX_LEN (sizeof(struct hclge_mbx_vf_to_pf_cmd) / sizeof(u32))
		#define PF_SEND_MBX_LEN (sizeof(struct hclge_mbx_pf_to_vf_cmd) / sizeof(u32))

		TRACE_EVENT(hclge_pf_mbx_get,
		TP_PROTO(
		struct hclge_dev *hdev,
		struct hclge_mbx_vf_to_pf_cmd *req),
		TP_ARGS(hdev, req),

		TP_STRUCT__entry(
		__field(u8, vfid)
		__field(u8, code)
		__field(u8, subcode)
		__string(pciname, pci_name(hdev->pdev))
		__string(devname, &hdev->vport[0].nic.kinfo.netdev->name)
		__array(u32, mbx_data, PF_GET_MBX_LEN)
		),

		TP_fast_assign(
		__entry->vfid = req->mbx_src_vfid;
		__entry->code = req->msg.code;
		__entry->subcode = req->msg.subcode;
		__assign_str(pciname, pci_name(hdev->pdev));
		__assign_str(devname, &hdev->vport[0].nic.kinfo.netdev->name);
		memcpy(__entry->mbx_data, req,
		sizeof(struct hclge_mbx_vf_to_pf_cmd));
		),

		TP_printk(
		"%s %s vfid:%u code:%u subcode:%u data:%s",
		__get_str(pciname), __get_str(devname), __entry->vfid,
		__entry->code, __entry->subcode,
		__print_array(__entry->mbx_data, PF_GET_MBX_LEN, sizeof(u32))
		)
		);

		TRACE_EVENT(hclge_pf_mbx_send,
		TP_PROTO(
		struct hclge_dev *hdev,
		struct hclge_mbx_pf_to_vf_cmd *req),
		TP_ARGS(hdev, req),

		TP_STRUCT__entry(
		__field(u8, vfid)
		__field(u16, code)
		__string(pciname, pci_name(hdev->pdev))
		__string(devname, &hdev->vport[0].nic.kinfo.netdev->name)
		__array(u32, mbx_data, PF_SEND_MBX_LEN)
		),

		TP_fast_assign(
		__entry->vfid = req->dest_vfid;
		__entry->code = req->msg.code;
		__assign_str(pciname, pci_name(hdev->pdev));
		__assign_str(devname, &hdev->vport[0].nic.kinfo.netdev->name);
		memcpy(__entry->mbx_data, req,
		sizeof(struct hclge_mbx_pf_to_vf_cmd));
		),

		TP_printk(
		"%s %s vfid:%u code:%u data:%s",
		__get_str(pciname), __get_str(devname), __entry->vfid,
		__entry->code,
		__print_array(__entry->mbx_data, PF_SEND_MBX_LEN, sizeof(u32))
		)
		);

		#endif /* _HCLGE_TRACE_H_ */

		/* This must be outside ifdef _HCLGE_TRACE_H */
		#undef TRACE_INCLUDE_PATH
		#define TRACE_INCLUDE_PATH .
		#undef TRACE_INCLUDE_FILE
		#define TRACE_INCLUDE_FILE hclge_trace
		#include <trace/define_trace.h>

drivers/net/ethernet/hisilicon/hns3/hns3vf/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -4,6 +4,7 @@
		#

		ccflags-y := -I $(srctree)/drivers/net/ethernet/hisilicon/hns3
		ccflags-y += -I $(srctree)/$(src)

		obj-$(CONFIG_HNS3_HCLGEVF) += hclgevf.o
		hclgevf-objs = hclgevf_main.o hclgevf_cmd.o hclgevf_mbx.o

drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -5,6 +5,9 @@
		#include "hclgevf_main.h"
		#include "hnae3.h"

		#define CREATE_TRACE_POINTS
		#include "hclgevf_trace.h"

		static int hclgevf_resp_to_errno(u16 resp_code)
		{
		return resp_code ? -resp_code : 0;
		@@ -106,6 +109,8 @@ int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev,

		memcpy(&req->msg, send_msg, sizeof(struct hclge_vf_to_pf_msg));

		trace_hclge_vf_mbx_send(hdev, req);

		/* synchronous send */
		if (need_resp) {
		mutex_lock(&hdev->mbx_resp.mbx_mutex);
		@@ -179,6 +184,8 @@ void hclgevf_mbx_handler(struct hclgevf_dev *hdev)
		continue;
		}

		trace_hclge_vf_mbx_get(hdev, req);

		/* synchronous messages are time critical and need preferential
		* treatment. Therefore, we need to acknowledge all the sync
		* responses as quickly as possible so that waiting tasks do not

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