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Yufeng Modavem330
Yufeng Mo
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davem330
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net: hns3: add trace event support for PF/VF mailbox
This patch adds trace event support for PF/VF mailbox. Signed-off-by: Yufeng Mo <[email protected]> Signed-off-by: Huazhong Tan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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6 files changed

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

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -4,6 +4,7 @@
44
#
55

66
ccflags-y := -I $(srctree)/drivers/net/ethernet/hisilicon/hns3
7+
ccflags-y += -I $(srctree)/$(src)
78

89
obj-$(CONFIG_HNS3_HCLGE) += hclge.o
910
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

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -5,6 +5,9 @@
55
#include "hclge_mbx.h"
66
#include "hnae3.h"
77

8+
#define CREATE_TRACE_POINTS
9+
#include "hclge_trace.h"
10+
811
static u16 hclge_errno_to_resp(int errno)
912
{
1013
return abs(errno);
@@ -90,6 +93,8 @@ static int hclge_send_mbx_msg(struct hclge_vport *vport, u8 *msg, u16 msg_len,
9093

9194
memcpy(&resp_pf_to_vf->msg.vf_mbx_msg_code, msg, msg_len);
9295

96+
trace_hclge_pf_mbx_send(hdev, resp_pf_to_vf);
97+
9398
status = hclge_cmd_send(&hdev->hw, &desc, 1);
9499
if (status)
95100
dev_err(&hdev->pdev->dev,
@@ -674,6 +679,8 @@ void hclge_mbx_handler(struct hclge_dev *hdev)
674679

675680
vport = &hdev->vport[req->mbx_src_vfid];
676681

682+
trace_hclge_pf_mbx_get(hdev, req);
683+
677684
switch (req->msg.code) {
678685
case HCLGE_MBX_MAP_RING_TO_VECTOR:
679686
ret = hclge_map_unmap_ring_to_vf_vector(vport, true,

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

Lines changed: 87 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,87 @@
1+
/* SPDX-License-Identifier: GPL-2.0+ */
2+
/* Copyright (c) 2018-2020 Hisilicon Limited. */
3+
4+
/* This must be outside ifdef _HCLGE_TRACE_H */
5+
#undef TRACE_SYSTEM
6+
#define TRACE_SYSTEM hns3
7+
8+
#if !defined(_HCLGE_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
9+
#define _HCLGE_TRACE_H_
10+
11+
#include <linux/tracepoint.h>
12+
13+
#define PF_GET_MBX_LEN (sizeof(struct hclge_mbx_vf_to_pf_cmd) / sizeof(u32))
14+
#define PF_SEND_MBX_LEN (sizeof(struct hclge_mbx_pf_to_vf_cmd) / sizeof(u32))
15+
16+
TRACE_EVENT(hclge_pf_mbx_get,
17+
TP_PROTO(
18+
struct hclge_dev *hdev,
19+
struct hclge_mbx_vf_to_pf_cmd *req),
20+
TP_ARGS(hdev, req),
21+
22+
TP_STRUCT__entry(
23+
__field(u8, vfid)
24+
__field(u8, code)
25+
__field(u8, subcode)
26+
__string(pciname, pci_name(hdev->pdev))
27+
__string(devname, &hdev->vport[0].nic.kinfo.netdev->name)
28+
__array(u32, mbx_data, PF_GET_MBX_LEN)
29+
),
30+
31+
TP_fast_assign(
32+
__entry->vfid = req->mbx_src_vfid;
33+
__entry->code = req->msg.code;
34+
__entry->subcode = req->msg.subcode;
35+
__assign_str(pciname, pci_name(hdev->pdev));
36+
__assign_str(devname, &hdev->vport[0].nic.kinfo.netdev->name);
37+
memcpy(__entry->mbx_data, req,
38+
sizeof(struct hclge_mbx_vf_to_pf_cmd));
39+
),
40+
41+
TP_printk(
42+
"%s %s vfid:%u code:%u subcode:%u data:%s",
43+
__get_str(pciname), __get_str(devname), __entry->vfid,
44+
__entry->code, __entry->subcode,
45+
__print_array(__entry->mbx_data, PF_GET_MBX_LEN, sizeof(u32))
46+
)
47+
);
48+
49+
TRACE_EVENT(hclge_pf_mbx_send,
50+
TP_PROTO(
51+
struct hclge_dev *hdev,
52+
struct hclge_mbx_pf_to_vf_cmd *req),
53+
TP_ARGS(hdev, req),
54+
55+
TP_STRUCT__entry(
56+
__field(u8, vfid)
57+
__field(u16, code)
58+
__string(pciname, pci_name(hdev->pdev))
59+
__string(devname, &hdev->vport[0].nic.kinfo.netdev->name)
60+
__array(u32, mbx_data, PF_SEND_MBX_LEN)
61+
),
62+
63+
TP_fast_assign(
64+
__entry->vfid = req->dest_vfid;
65+
__entry->code = req->msg.code;
66+
__assign_str(pciname, pci_name(hdev->pdev));
67+
__assign_str(devname, &hdev->vport[0].nic.kinfo.netdev->name);
68+
memcpy(__entry->mbx_data, req,
69+
sizeof(struct hclge_mbx_pf_to_vf_cmd));
70+
),
71+
72+
TP_printk(
73+
"%s %s vfid:%u code:%u data:%s",
74+
__get_str(pciname), __get_str(devname), __entry->vfid,
75+
__entry->code,
76+
__print_array(__entry->mbx_data, PF_SEND_MBX_LEN, sizeof(u32))
77+
)
78+
);
79+
80+
#endif /* _HCLGE_TRACE_H_ */
81+
82+
/* This must be outside ifdef _HCLGE_TRACE_H */
83+
#undef TRACE_INCLUDE_PATH
84+
#define TRACE_INCLUDE_PATH .
85+
#undef TRACE_INCLUDE_FILE
86+
#define TRACE_INCLUDE_FILE hclge_trace
87+
#include <trace/define_trace.h>

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

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -4,6 +4,7 @@
44
#
55

66
ccflags-y := -I $(srctree)/drivers/net/ethernet/hisilicon/hns3
7+
ccflags-y += -I $(srctree)/$(src)
78

89
obj-$(CONFIG_HNS3_HCLGEVF) += hclgevf.o
910
hclgevf-objs = hclgevf_main.o hclgevf_cmd.o hclgevf_mbx.o

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

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -5,6 +5,9 @@
55
#include "hclgevf_main.h"
66
#include "hnae3.h"
77

8+
#define CREATE_TRACE_POINTS
9+
#include "hclgevf_trace.h"
10+
811
static int hclgevf_resp_to_errno(u16 resp_code)
912
{
1013
return resp_code ? -resp_code : 0;
@@ -106,6 +109,8 @@ int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev,
106109

107110
memcpy(&req->msg, send_msg, sizeof(struct hclge_vf_to_pf_msg));
108111

112+
trace_hclge_vf_mbx_send(hdev, req);
113+
109114
/* synchronous send */
110115
if (need_resp) {
111116
mutex_lock(&hdev->mbx_resp.mbx_mutex);
@@ -179,6 +184,8 @@ void hclgevf_mbx_handler(struct hclgevf_dev *hdev)
179184
continue;
180185
}
181186

187+
trace_hclge_vf_mbx_get(hdev, req);
188+
182189
/* synchronous messages are time critical and need preferential
183190
* treatment. Therefore, we need to acknowledge all the sync
184191
* responses as quickly as possible so that waiting tasks do not

‎drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_trace.h‎

Lines changed: 87 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,87 @@
1+
/* SPDX-License-Identifier: GPL-2.0+ */
2+
/* Copyright (c) 2018-2019 Hisilicon Limited. */
3+
4+
/* This must be outside ifdef _HCLGEVF_TRACE_H */
5+
#undef TRACE_SYSTEM
6+
#define TRACE_SYSTEM hns3
7+
8+
#if !defined(_HCLGEVF_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
9+
#define _HCLGEVF_TRACE_H_
10+
11+
#include <linux/tracepoint.h>
12+
13+
#define VF_GET_MBX_LEN (sizeof(struct hclge_mbx_pf_to_vf_cmd) / sizeof(u32))
14+
#define VF_SEND_MBX_LEN (sizeof(struct hclge_mbx_vf_to_pf_cmd) / sizeof(u32))
15+
16+
TRACE_EVENT(hclge_vf_mbx_get,
17+
TP_PROTO(
18+
struct hclgevf_dev *hdev,
19+
struct hclge_mbx_pf_to_vf_cmd *req),
20+
TP_ARGS(hdev, req),
21+
22+
TP_STRUCT__entry(
23+
__field(u8, vfid)
24+
__field(u16, code)
25+
__string(pciname, pci_name(hdev->pdev))
26+
__string(devname, &hdev->nic.kinfo.netdev->name)
27+
__array(u32, mbx_data, VF_GET_MBX_LEN)
28+
),
29+
30+
TP_fast_assign(
31+
__entry->vfid = req->dest_vfid;
32+
__entry->code = req->msg.code;
33+
__assign_str(pciname, pci_name(hdev->pdev));
34+
__assign_str(devname, &hdev->nic.kinfo.netdev->name);
35+
memcpy(__entry->mbx_data, req,
36+
sizeof(struct hclge_mbx_pf_to_vf_cmd));
37+
),
38+
39+
TP_printk(
40+
"%s %s vfid:%u code:%u data:%s",
41+
__get_str(pciname), __get_str(devname), __entry->vfid,
42+
__entry->code,
43+
__print_array(__entry->mbx_data, VF_GET_MBX_LEN, sizeof(u32))
44+
)
45+
);
46+
47+
TRACE_EVENT(hclge_vf_mbx_send,
48+
TP_PROTO(
49+
struct hclgevf_dev *hdev,
50+
struct hclge_mbx_vf_to_pf_cmd *req),
51+
TP_ARGS(hdev, req),
52+
53+
TP_STRUCT__entry(
54+
__field(u8, vfid)
55+
__field(u8, code)
56+
__field(u8, subcode)
57+
__string(pciname, pci_name(hdev->pdev))
58+
__string(devname, &hdev->nic.kinfo.netdev->name)
59+
__array(u32, mbx_data, VF_SEND_MBX_LEN)
60+
),
61+
62+
TP_fast_assign(
63+
__entry->vfid = req->mbx_src_vfid;
64+
__entry->code = req->msg.code;
65+
__entry->subcode = req->msg.subcode;
66+
__assign_str(pciname, pci_name(hdev->pdev));
67+
__assign_str(devname, &hdev->nic.kinfo.netdev->name);
68+
memcpy(__entry->mbx_data, req,
69+
sizeof(struct hclge_mbx_vf_to_pf_cmd));
70+
),
71+
72+
TP_printk(
73+
"%s %s vfid:%u code:%u subcode:%u data:%s",
74+
__get_str(pciname), __get_str(devname), __entry->vfid,
75+
__entry->code, __entry->subcode,
76+
__print_array(__entry->mbx_data, VF_SEND_MBX_LEN, sizeof(u32))
77+
)
78+
);
79+
80+
#endif /* _HCLGEVF_TRACE_H_ */
81+
82+
/* This must be outside ifdef _HCLGEVF_TRACE_H */
83+
#undef TRACE_INCLUDE_PATH
84+
#define TRACE_INCLUDE_PATH .
85+
#undef TRACE_INCLUDE_FILE
86+
#define TRACE_INCLUDE_FILE hclgevf_trace
87+
#include <trace/define_trace.h>

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