forked from ~ljy/RK356X_SDK_RELEASE
blame | history | patch | commit | commitdiff
hc
2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc 
 kernel/Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats
....@@ -1,6 +1,6 @@
1
-==========================
21 PCIe Device AER statistics
3
-==========================
2
+--------------------------
3
+
44 These attributes show up under all the devices that are AER capable. These
55 statistical counters indicate the errors "as seen/reported by the device".
66 Note that this may mean that if an endpoint is causing problems, the AER
....@@ -9,93 +9,90 @@
99 problematic endpoint itself (which may report all counters as 0 as it never
1010 saw any problems).
1111 
12
-Where:		/sys/bus/pci/devices/<dev>/aer_dev_correctable
12
+What:		/sys/bus/pci/devices/<dev>/aer_dev_correctable
1313 Date:		July 2018
14
-Kernel Version: 4.19.0
14
+KernelVersion: 4.19.0
1515 Contact:	linux-pci@vger.kernel.org, rajatja@google.com
1616 Description:	List of correctable errors seen and reported by this
1717 		PCI device using ERR_COR. Note that since multiple errors may
1818 		be reported using a single ERR_COR message, thus
1919 		TOTAL_ERR_COR at the end of the file may not match the actual
20
-		total of all the errors in the file. Sample output:
21
--------------------------------------------------------------------------
22
-localhost /sys/devices/pci0000:00/0000:00:1c.0 # cat aer_dev_correctable
23
-Receiver Error 2
24
-Bad TLP 0
25
-Bad DLLP 0
26
-RELAY_NUM Rollover 0
27
-Replay Timer Timeout 0
28
-Advisory Non-Fatal 0
29
-Corrected Internal Error 0
30
-Header Log Overflow 0
31
-TOTAL_ERR_COR 2
32
--------------------------------------------------------------------------
20
+		total of all the errors in the file. Sample output::
3321 
34
-Where:		/sys/bus/pci/devices/<dev>/aer_dev_fatal
22
+		    localhost /sys/devices/pci0000:00/0000:00:1c.0 # cat aer_dev_correctable
23
+		    Receiver Error 2
24
+		    Bad TLP 0
25
+		    Bad DLLP 0
26
+		    RELAY_NUM Rollover 0
27
+		    Replay Timer Timeout 0
28
+		    Advisory Non-Fatal 0
29
+		    Corrected Internal Error 0
30
+		    Header Log Overflow 0
31
+		    TOTAL_ERR_COR 2
32
+
33
+What:		/sys/bus/pci/devices/<dev>/aer_dev_fatal
3534 Date:		July 2018
36
-Kernel Version: 4.19.0
35
+KernelVersion: 4.19.0
3736 Contact:	linux-pci@vger.kernel.org, rajatja@google.com
3837 Description:	List of uncorrectable fatal errors seen and reported by this
3938 		PCI device using ERR_FATAL. Note that since multiple errors may
4039 		be reported using a single ERR_FATAL message, thus
4140 		TOTAL_ERR_FATAL at the end of the file may not match the actual
42
-		total of all the errors in the file. Sample output:
43
--------------------------------------------------------------------------
44
-localhost /sys/devices/pci0000:00/0000:00:1c.0 # cat aer_dev_fatal
45
-Undefined 0
46
-Data Link Protocol 0
47
-Surprise Down Error 0
48
-Poisoned TLP 0
49
-Flow Control Protocol 0
50
-Completion Timeout 0
51
-Completer Abort 0
52
-Unexpected Completion 0
53
-Receiver Overflow 0
54
-Malformed TLP 0
55
-ECRC 0
56
-Unsupported Request 0
57
-ACS Violation 0
58
-Uncorrectable Internal Error 0
59
-MC Blocked TLP 0
60
-AtomicOp Egress Blocked 0
61
-TLP Prefix Blocked Error 0
62
-TOTAL_ERR_FATAL 0
63
--------------------------------------------------------------------------
41
+		total of all the errors in the file. Sample output::
6442 
65
-Where:		/sys/bus/pci/devices/<dev>/aer_dev_nonfatal
43
+		    localhost /sys/devices/pci0000:00/0000:00:1c.0 # cat aer_dev_fatal
44
+		    Undefined 0
45
+		    Data Link Protocol 0
46
+		    Surprise Down Error 0
47
+		    Poisoned TLP 0
48
+		    Flow Control Protocol 0
49
+		    Completion Timeout 0
50
+		    Completer Abort 0
51
+		    Unexpected Completion 0
52
+		    Receiver Overflow 0
53
+		    Malformed TLP 0
54
+		    ECRC 0
55
+		    Unsupported Request 0
56
+		    ACS Violation 0
57
+		    Uncorrectable Internal Error 0
58
+		    MC Blocked TLP 0
59
+		    AtomicOp Egress Blocked 0
60
+		    TLP Prefix Blocked Error 0
61
+		    TOTAL_ERR_FATAL 0
62
+
63
+What:		/sys/bus/pci/devices/<dev>/aer_dev_nonfatal
6664 Date:		July 2018
67
-Kernel Version: 4.19.0
65
+KernelVersion: 4.19.0
6866 Contact:	linux-pci@vger.kernel.org, rajatja@google.com
6967 Description:	List of uncorrectable nonfatal errors seen and reported by this
7068 		PCI device using ERR_NONFATAL. Note that since multiple errors
7169 		may be reported using a single ERR_FATAL message, thus
7270 		TOTAL_ERR_NONFATAL at the end of the file may not match the
73
-		actual total of all the errors in the file. Sample output:
74
--------------------------------------------------------------------------
75
-localhost /sys/devices/pci0000:00/0000:00:1c.0 # cat aer_dev_nonfatal
76
-Undefined 0
77
-Data Link Protocol 0
78
-Surprise Down Error 0
79
-Poisoned TLP 0
80
-Flow Control Protocol 0
81
-Completion Timeout 0
82
-Completer Abort 0
83
-Unexpected Completion 0
84
-Receiver Overflow 0
85
-Malformed TLP 0
86
-ECRC 0
87
-Unsupported Request 0
88
-ACS Violation 0
89
-Uncorrectable Internal Error 0
90
-MC Blocked TLP 0
91
-AtomicOp Egress Blocked 0
92
-TLP Prefix Blocked Error 0
93
-TOTAL_ERR_NONFATAL 0
94
--------------------------------------------------------------------------
71
+		actual total of all the errors in the file. Sample output::
9572 
96
-============================
73
+		    localhost /sys/devices/pci0000:00/0000:00:1c.0 # cat aer_dev_nonfatal
74
+		    Undefined 0
75
+		    Data Link Protocol 0
76
+		    Surprise Down Error 0
77
+		    Poisoned TLP 0
78
+		    Flow Control Protocol 0
79
+		    Completion Timeout 0
80
+		    Completer Abort 0
81
+		    Unexpected Completion 0
82
+		    Receiver Overflow 0
83
+		    Malformed TLP 0
84
+		    ECRC 0
85
+		    Unsupported Request 0
86
+		    ACS Violation 0
87
+		    Uncorrectable Internal Error 0
88
+		    MC Blocked TLP 0
89
+		    AtomicOp Egress Blocked 0
90
+		    TLP Prefix Blocked Error 0
91
+		    TOTAL_ERR_NONFATAL 0
92
+
9793 PCIe Rootport AER statistics
98
-============================
94
+----------------------------
95
+
9996 These attributes show up under only the rootports (or root complex event
10097 collectors) that are AER capable. These indicate the number of error messages as
10198 "reported to" the rootport. Please note that the rootports also transmit
....@@ -103,20 +100,20 @@
103100 device, so these counters include them and are thus cumulative of all the error
104101 messages on the PCI hierarchy originating at that root port.
105102 
106
-Where:		/sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_cor
103
+What:		/sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_cor
107104 Date:		July 2018
108
-Kernel Version: 4.19.0
105
+KernelVersion: 4.19.0
109106 Contact:	linux-pci@vger.kernel.org, rajatja@google.com
110107 Description:	Total number of ERR_COR messages reported to rootport.
111108 
112
-Where:	    /sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_fatal
109
+What:	    /sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_fatal
113110 Date:		July 2018
114
-Kernel Version: 4.19.0
111
+KernelVersion: 4.19.0
115112 Contact:	linux-pci@vger.kernel.org, rajatja@google.com
116113 Description:	Total number of ERR_FATAL messages reported to rootport.
117114 
118
-Where:	    /sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_nonfatal
115
+What:	    /sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_nonfatal
119116 Date:		July 2018
120
-Kernel Version: 4.19.0
117
+KernelVersion: 4.19.0
121118 Contact:	linux-pci@vger.kernel.org, rajatja@google.com
122119 Description:	Total number of ERR_NONFATAL messages reported to rootport.