tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1What: /sys/bus/platform/devices/MLNXBF04:00/lifecycle_state
2Date: Oct 2019
3KernelVersion: 5.5
4Contact: "Liming Sun <lsun@mellanox.com>"
5Description:
6 The Life-cycle state of the SoC, which could be one of the
7 following values.
8
9 ============== =============================================
10 Production Production state and can be updated to secure
11 GA Secured Secure chip and not able to change state
12 GA Non-Secured Non-Secure chip and not able to change state
13 RMA Return Merchandise Authorization
14 ============== =============================================
15
16What: /sys/bus/platform/devices/MLNXBF04:00/post_reset_wdog
17Date: Oct 2019
18KernelVersion: 5.5
19Contact: "Liming Sun <lsun@mellanox.com>"
20Description:
21 The watchdog setting in seconds for the next booting. It's used
22 to reboot the chip and recover it to the old state if the new
23 boot partition fails.
24
25What: /sys/bus/platform/devices/MLNXBF04:00/reset_action
26Date: Oct 2019
27KernelVersion: 5.5
28Contact: "Liming Sun <lsun@mellanox.com>"
29Description:
30 The source of the boot stream for the next reset. It could be
31 one of the following values:
32
33 =========== ===============================================
34 external boot from external source (USB or PCIe)
35 emmc boot from the onchip eMMC
36 emmc_legacy boot from the onchip eMMC in legacy (slow) mode
37 =========== ===============================================
38
39What: /sys/bus/platform/devices/MLNXBF04:00/second_reset_action
40Date: Oct 2019
41KernelVersion: 5.5
42Contact: "Liming Sun <lsun@mellanox.com>"
43Description:
44 Update the source of the boot stream after next reset. It could
45 be one of the following values and will be applied after next
46 reset.
47
48 =========== ===============================================
49 external boot from external source (USB or PCIe)
50 emmc boot from the onchip eMMC
51 emmc_legacy boot from the onchip eMMC in legacy (slow) mode
52 swap_emmc swap the primary / secondary boot partition
53 none cancel the action
54 =========== ===============================================
55
56What: /sys/bus/platform/devices/MLNXBF04:00/secure_boot_fuse_state
57Date: Oct 2019
58KernelVersion: 5.5
59Contact: "Liming Sun <lsun@mellanox.com>"
60Description:
61 The state of eFuse versions with the following values.
62
63 ======= ===============================================
64 InUse burnt, valid and currently in use
65 Used burnt and valid
66 Free not burnt and free to use
67 Skipped not burnt but not free (skipped)
68 Wasted burnt and invalid
69 Invalid not burnt but marked as valid (error state).
70 ======= ===============================================
71
72What: /sys/bus/platform/devices/MLNXBF04:00/bootfifo
73Date: Apr 2023
74KernelVersion: 6.4
75Contact: "Liming Sun <limings@nvidia.com>"
76Description:
77 The file used to access the BlueField boot fifo.
78
79What: /sys/bus/platform/devices/MLNXBF04:00/rsh_log
80Date: May 2023
81KernelVersion: 6.4
82Contact: "Liming Sun <limings@nvidia.com>"
83Description:
84 The file used to write BlueField boot log with the format
85 "[INFO|WARN|ERR|ASSERT ]<msg>". Log level 'INFO' is used by
86 default if not specified.
87
88What: /sys/bus/platform/devices/MLNXBF04:00/oob_mac
89Date: August 2023
90KernelVersion: 6.5
91Contact: "David Thompson <davthompson@nvidia.com>"
92Description:
93 The "oob_mac" sysfs attribute holds the MAC address for
94 the out-of-band 1Gbps Ethernet port. This MAC address is
95 provided on a board-level label.
96
97What: /sys/bus/platform/devices/MLNXBF04:00/opn
98Date: August 2023
99KernelVersion: 6.5
100Contact: "David Thompson <davthompson@nvidia.com>"
101Description:
102 The "opn" sysfs attribute holds the board's part number.
103 This value is provided on a board-level label.
104
105What: /sys/bus/platform/devices/MLNXBF04:00/sku
106Date: August 2023
107KernelVersion: 6.5
108Contact: "David Thompson <davthompson@nvidia.com>"
109Description:
110 The "sku" sysfs attribute holds the board's SKU number.
111 This value is provided on a board-level label.
112
113What: /sys/bus/platform/devices/MLNXBF04:00/modl
114Date: August 2023
115KernelVersion: 6.5
116Contact: "David Thompson <davthompson@nvidia.com>"
117Description:
118 The "modl" sysfs attribute holds the board's model number.
119 This value is provided on a board-level label.
120
121What: /sys/bus/platform/devices/MLNXBF04:00/sn
122Date: August 2023
123KernelVersion: 6.5
124Contact: "David Thompson <davthompson@nvidia.com>"
125Description:
126 The "sn" sysfs attribute holds the board's serial number.
127 This value is provided on a board-level label.
128
129What: /sys/bus/platform/devices/MLNXBF04:00/uuid
130Date: August 2023
131KernelVersion: 6.5
132Contact: "David Thompson <davthompson@nvidia.com>"
133Description:
134 The "uuid" sysfs attribute holds the board's UUID.
135 This value is provided by the manufacturing team.
136
137What: /sys/bus/platform/devices/MLNXBF04:00/rev
138Date: August 2023
139KernelVersion: 6.5
140Contact: "David Thompson <davthompson@nvidia.com>"
141Description:
142 The "rev" sysfs attribute holds the board's revision.
143 This value is provided on a board-level label.
144
145What: /sys/bus/platform/devices/MLNXBF04:00/mfg_lock
146Date: August 2023
147KernelVersion: 6.5
148Contact: "David Thompson <davthompson@nvidia.com>"
149Description:
150 The "mfg_lock" sysfs attribute is write-only.
151 A successful write to this attribute will latch the
152 board-level attributes into EEPROM, making them read-only.
153
154What: /sys/bus/platform/devices/MLNXBF04:00/rtc_battery
155Date: June 2025
156KernelVersion: 6.15
157Contact: "Xiangrong Li <xiangrongl@nvidia.com>"
158Description:
159 The "rtc_battery" sysfs attribute is read-only.
160 A successful read from this attribute returns the status of
161 the board's RTC battery. The RTC battery status register is
162 also cleared upon successful read operation.