1 What: /sys/bus/rapidio/devices/<nn>:
2 Description:
3 For each RapidIO device, the R
4 an individual subdirectory wit
5 device_name "nn:d:iiii", where
6
7 ==== =======================
8 nn two-digit hexadecimal I
9 device resides
10 d device type: 'e' - for
11 iiii four-digit device destI
12 switches
13 ==== =======================
14
15 For example, below is a list o
16 represents a typical RapidIO n
17 and two agent endpoints, as it
18 (with destID = 1)::
19
20 /sys/bus/rapidio/devices/00:
21 /sys/bus/rapidio/devices/00:
22 /sys/bus/rapidio/devices/00:
23
24 NOTE:
25 An enumerating or discoverin
26 sysfs entry for itself, this
27 is not shown in the list.
28
29 Attributes Common for All RapidIO Devices
30 -----------------------------------------
31
32 What: /sys/bus/rapidio/devices/<nn>:
33 Date: Nov, 2005
34 KernelVersion: v2.6.15
35 Contact: Matt Porter <mporter@kernel.cra
36 Alexandre Bounine <alexandre.bo
37 Description:
38 (RO) returns the device identi
39
40 What: /sys/bus/rapidio/devices/<nn>:
41 Date: Nov, 2005
42 KernelVersion: v2.6.15
43 Contact: Matt Porter <mporter@kernel.cra
44 Alexandre Bounine <alexandre.bo
45 Description:
46 (RO) returns the device vendor
47
48 What: /sys/bus/rapidio/devices/<nn>:
49 Date: Nov, 2005
50 KernelVersion: v2.6.15
51 Contact: Matt Porter <mporter@kernel.cra
52 Alexandre Bounine <alexandre.bo
53 Description:
54 (RO) returns the device revisi
55
56 What: /sys/bus/rapidio/devices/<nn>:
57 Date: Nov, 2005
58 KernelVersion: v2.6.15
59 Contact: Matt Porter <mporter@kernel.cra
60 Alexandre Bounine <alexandre.bo
61 Description:
62 (RO) returns identifier for th
63
64 What: /sys/bus/rapidio/devices/<nn>:
65 Date: Nov, 2005
66 KernelVersion: v2.6.15
67 Contact: Matt Porter <mporter@kernel.cra
68 Alexandre Bounine <alexandre.bo
69 Description:
70 (RO) returns revision level of
71 device
72
73 What: /sys/bus/rapidio/devices/<nn>:
74 Date: Nov, 2005
75 KernelVersion: v2.6.15
76 Contact: Matt Porter <mporter@kernel.cra
77 Alexandre Bounine <alexandre.bo
78 Description:
79 (RO) returns vendor identifier
80 device
81
82 What: /sys/bus/rapidio/devices/<nn>:
83 Date: Mar, 2011
84 KernelVersion: v2.6.3
85 Contact: Matt Porter <mporter@kernel.cra
86 Alexandre Bounine <alexandre.bo
87 Description:
88 (RO) returns device destinatio
89 routine
90
91 What: /sys/bus/rapidio/devices/<nn>:
92 Date: Mar, 2011
93 KernelVersion: v2.6.39
94 Contact: Matt Porter <mporter@kernel.cra
95 Alexandre Bounine <alexandre.bo
96 Description:
97 (RO) returns name of previous
98 device that that owns this att
99
100 What: /sys/bus/rapidio/devices/<nn>:
101 Date: Jul, 2013
102 KernelVersion: v3.11
103 Contact: Matt Porter <mporter@kernel.cra
104 Alexandre Bounine <alexandre.bo
105 Description:
106 (RO) returns the device modali
107
108 What: /sys/bus/rapidio/devices/<nn>:
109 Date: Nov, 2005
110 KernelVersion: v2.6.15
111 Contact: Matt Porter <mporter@kernel.cra
112 Alexandre Bounine <alexandre.bo
113 Description:
114 (RW) Binary attribute to read
115 configuration registers using
116 transactions. This attribute i
117 "config" attribute of PCI devi
118 RapidIO device registers using
119 operations.
120
121 RapidIO Switch Device Attributes
122 --------------------------------
123
124 RapidIO switches have additional attributes in
125 common and device-specific sysfs attributes fo
126 integrated into the RapidIO subsystem, it offe
127 device-specific sysfs attributes by specifying
128 set by the switch initialization routine durin
129 process.
130
131 What: /sys/bus/rapidio/devices/<nn>:
132 Date: Nov, 2005
133 KernelVersion: v2.6.15
134 Contact: Matt Porter <mporter@kernel.cra
135 Alexandre Bounine <alexandre.bo
136 Description:
137 (RO) reports switch routing in
138 This attribute reports only va
139 line for each entry.
140
141 What: /sys/bus/rapidio/devices/<nn>:
142 Date: Mar, 2011
143 KernelVersion: v2.6.3
144 Contact: Matt Porter <mporter@kernel.cra
145 Alexandre Bounine <alexandre.bo
146 Description:
147 (RO) device destination ID of
148 a route to the switch
149
150 What: /sys/bus/rapidio/devices/<nn>:
151 Date: Mar, 2011
152 KernelVersion: v2.6.39
153 Contact: Matt Porter <mporter@kernel.cra
154 Alexandre Bounine <alexandre.bo
155 Description:
156 (RO) number of hops on the pat
157
158 What: /sys/bus/rapidio/devices/<nn>:
159 Date: Mar, 2011
160 KernelVersion: v2.6.39
161 Contact: Matt Porter <mporter@kernel.cra
162 Alexandre Bounine <alexandre.bo
163 Description:
164 (RO) returns names of devices
165 a device linked to the ingress
166 is an array names with number
167 in switch. If a switch port ha
168 "null" instead of a device nam
169
170 Device-specific Switch Attributes
171 ---------------------------------
172
173 IDT_GEN2-
174
175 What: /sys/bus/rapidio/devices/<nn>:
176 Date: Oct, 2010
177 KernelVersion: v2.6.37
178 Contact: Matt Porter <mporter@kernel.cra
179 Alexandre Bounine <alexandre.bo
180 Description:
181 (RO) reads contents of device
182
183 RapidIO Bus Attributes
184 ----------------------
185
186 What: /sys/bus/rapidio/scan
187 Date: May, 2013
188 KernelVersion: v3.11
189 Contact: Matt Porter <mporter@kernel.cra
190 Alexandre Bounine <alexandre.bo
191 Description:
192 (WO) Allows to trigger enumera
193 space. To initiate an enumerat
194 specific mport device, a user
195 RapidIO destination ID) into t
196 sequential number (0 ... RIO_
197 device. For example, for a mac
198 controller, mport_ID for that
199 initiate RapidIO enumeration/d
200 user must write '-1' (or RIO_M
201 file.
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