1 What: /sys/devices/platform/soc@X/XX 1 What: /sys/devices/platform/soc@X/XXXXXXX.ipa/
2 Date: June 2021 2 Date: June 2021
3 KernelVersion: v5.14 3 KernelVersion: v5.14
4 Contact: Alex Elder <elder@kernel.org> 4 Contact: Alex Elder <elder@kernel.org>
5 Description: 5 Description:
6 The /sys/devices/platform/soc@ 6 The /sys/devices/platform/soc@X/XXXXXXX.ipa/ directory
7 contains read-only attributes 7 contains read-only attributes exposing information about
8 an IPA device. The X values c 8 an IPA device. The X values could vary, but are typically
9 "soc@0/1e40000.ipa". 9 "soc@0/1e40000.ipa".
10 10
11 What: .../XXXXXXX.ipa/version 11 What: .../XXXXXXX.ipa/version
12 Date: June 2021 12 Date: June 2021
13 KernelVersion: v5.14 13 KernelVersion: v5.14
14 Contact: Alex Elder <elder@kernel.org> 14 Contact: Alex Elder <elder@kernel.org>
15 Description: 15 Description:
16 The .../XXXXXXX.ipa/version fi 16 The .../XXXXXXX.ipa/version file contains the IPA hardware
17 version, as a period-separated 17 version, as a period-separated set of two or three integers
18 (e.g., "3.5.1" or "4.2"). 18 (e.g., "3.5.1" or "4.2").
19 19
20 What: .../XXXXXXX.ipa/feature/ 20 What: .../XXXXXXX.ipa/feature/
21 Date: June 2021 21 Date: June 2021
22 KernelVersion: v5.14 22 KernelVersion: v5.14
23 Contact: Alex Elder <elder@kernel.org> 23 Contact: Alex Elder <elder@kernel.org>
24 Description: 24 Description:
25 The .../XXXXXXX.ipa/feature/ d 25 The .../XXXXXXX.ipa/feature/ directory contains a set of
26 attributes describing features 26 attributes describing features implemented by the IPA
27 hardware. 27 hardware.
28 28
29 What: .../XXXXXXX.ipa/feature/rx_off 29 What: .../XXXXXXX.ipa/feature/rx_offload
30 Date: June 2021 30 Date: June 2021
31 KernelVersion: v5.14 31 KernelVersion: v5.14
32 Contact: Alex Elder <elder@kernel.org> 32 Contact: Alex Elder <elder@kernel.org>
33 Description: 33 Description:
34 The .../XXXXXXX.ipa/feature/rx 34 The .../XXXXXXX.ipa/feature/rx_offload file contains a
35 string indicating the type of 35 string indicating the type of receive checksum offload
36 that is supported by the hardw 36 that is supported by the hardware. The possible values
37 are "MAPv4" or "MAPv5". 37 are "MAPv4" or "MAPv5".
38 38
39 What: .../XXXXXXX.ipa/feature/tx_off 39 What: .../XXXXXXX.ipa/feature/tx_offload
40 Date: June 2021 40 Date: June 2021
41 KernelVersion: v5.14 41 KernelVersion: v5.14
42 Contact: Alex Elder <elder@kernel.org> 42 Contact: Alex Elder <elder@kernel.org>
43 Description: 43 Description:
44 The .../XXXXXXX.ipa/feature/tx 44 The .../XXXXXXX.ipa/feature/tx_offload file contains a
45 string indicating the type of 45 string indicating the type of transmit checksum offload
46 that is supported by the hardw 46 that is supported by the hardware. The possible values
47 are "MAPv4" or "MAPv5". 47 are "MAPv4" or "MAPv5".
48 48
49 What: .../XXXXXXX.ipa/endpoint_id/ <<
50 Date: July 2022 <<
51 KernelVersion: v5.19 <<
52 Contact: Alex Elder <elder@kernel.org> <<
53 Description: <<
54 The .../XXXXXXX.ipa/endpoint_i <<
55 attributes that define IDs ass <<
56 endpoints. The "rx" or "tx" i <<
57 from the perspective of the AP <<
58 small unsigned integer. <<
59 <<
60 What: .../XXXXXXX.ipa/endpoint_id/mo <<
61 Date: July 2022 <<
62 KernelVersion: v5.19 <<
63 Contact: Alex Elder <elder@kernel.org> <<
64 Description: <<
65 The .../XXXXXXX.ipa/endpoint_i <<
66 the ID of the AP endpoint on w <<
67 from the embedded modem are re <<
68 <<
69 What: .../XXXXXXX.ipa/endpoint_id/mo <<
70 Date: July 2022 <<
71 KernelVersion: v5.19 <<
72 Contact: Alex Elder <elder@kernel.org> <<
73 Description: <<
74 The .../XXXXXXX.ipa/endpoint_i <<
75 the ID of the AP endpoint on w <<
76 for the embedded modem are sen <<
77 <<
78 What: .../XXXXXXX.ipa/endpoint_id/mo <<
79 Date: July 2022 <<
80 KernelVersion: v5.19 <<
81 Contact: Alex Elder <elder@kernel.org> <<
82 Description: <<
83 The .../XXXXXXX.ipa/endpoint_i <<
84 the ID of the AP endpoint on w <<
85 received. The monitor endpoin <<
86 packets that enter the IPA har <<
87 Each replicated packet is prec <<
88 header (see .../XXXXXXX.ipa/fe <<
89 Large packets are truncated, t <<
90 required to provide the monito <<
91 <<
92 What: .../XXXXXXX.ipa/modem/ 49 What: .../XXXXXXX.ipa/modem/
93 Date: June 2021 50 Date: June 2021
94 KernelVersion: v5.14 51 KernelVersion: v5.14
95 Contact: Alex Elder <elder@kernel.org> 52 Contact: Alex Elder <elder@kernel.org>
96 Description: 53 Description:
97 The .../XXXXXXX.ipa/modem/ dir !! 54 The .../XXXXXXX.ipa/modem/ directory contains a set of
98 describing properties of the m !! 55 attributes describing properties of the modem execution
>> 56 environment reachable by the IPA hardware.
99 57
100 What: .../XXXXXXX.ipa/modem/rx_endpo 58 What: .../XXXXXXX.ipa/modem/rx_endpoint_id
101 Date: June 2021 59 Date: June 2021
102 KernelVersion: v5.14 60 KernelVersion: v5.14
103 Contact: Alex Elder <elder@kernel.org> 61 Contact: Alex Elder <elder@kernel.org>
104 Description: 62 Description:
105 The .../XXXXXXX.ipa/modem/rx_e !! 63 The .../XXXXXXX.ipa/feature/rx_endpoint_id file contains
106 the value found in .../XXXXXXX !! 64 the AP endpoint ID that receives packets originating from
>> 65 the modem execution environment. The "rx" is from the
>> 66 perspective of the AP; this endpoint is considered an "IPA
>> 67 producer". An endpoint ID is a small unsigned integer.
107 68
108 What: .../XXXXXXX.ipa/modem/tx_endpo 69 What: .../XXXXXXX.ipa/modem/tx_endpoint_id
109 Date: June 2021 70 Date: June 2021
110 KernelVersion: v5.14 71 KernelVersion: v5.14
111 Contact: Alex Elder <elder@kernel.org> 72 Contact: Alex Elder <elder@kernel.org>
112 Description: 73 Description:
113 The .../XXXXXXX.ipa/modem/tx_e !! 74 The .../XXXXXXX.ipa/feature/tx_endpoint_id file contains
114 the value found in .../XXXXXXX !! 75 the AP endpoint ID used to transmit packets destined for
>> 76 the modem execution environment. The "tx" is from the
>> 77 perspective of the AP; this endpoint is considered an "IPA
>> 78 consumer". An endpoint ID is a small unsigned integer.
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