Commit d8355240 authored by Yufeng Mo's avatar Yufeng Mo Committed by David S. Miller
Browse files

net: hns3: add trace event support for PF/VF mailbox 



This patch adds trace event support for PF/VF mailbox.

Signed-off-by: default avatarYufeng Mo <moyufeng@huawei.com>
Signed-off-by: default avatarHuazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5cb51cfe

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