KernelVersion: 5.1
Contact: ogabbay@kernel.org
Description: Sets I2C device address for I2C transaction that is generated
- by the device's CPU
+ by the device's CPU, Not available when device is loaded with secured
+ firmware
What: /sys/kernel/debug/habanalabs/hl<n>/i2c_bus
Date: Jan 2019
KernelVersion: 5.1
Contact: ogabbay@kernel.org
Description: Sets I2C bus address for I2C transaction that is generated by
- the device's CPU
+ the device's CPU, Not available when device is loaded with secured
+ firmware
What: /sys/kernel/debug/habanalabs/hl<n>/i2c_data
Date: Jan 2019
Contact: ogabbay@kernel.org
Description: Triggers an I2C transaction that is generated by the device's
CPU. Writing to this file generates a write transaction while
- reading from the file generates a read transaction
+ reading from the file generates a read transaction, Not available
+ when device is loaded with secured firmware
What: /sys/kernel/debug/habanalabs/hl<n>/i2c_len
Date: Dec 2021
KernelVersion: 5.17
Contact: obitton@habana.ai
Description: Sets I2C length in bytes for I2C transaction that is generated by
- the device's CPU
+ the device's CPU, Not available when device is loaded with secured
+ firmware
What: /sys/kernel/debug/habanalabs/hl<n>/i2c_reg
Date: Jan 2019
KernelVersion: 5.1
Contact: ogabbay@kernel.org
Description: Sets I2C register id for I2C transaction that is generated by
- the device's CPU
+ the device's CPU, Not available when device is loaded with secured
+ firmware
What: /sys/kernel/debug/habanalabs/hl<n>/led0
Date: Jan 2019
KernelVersion: 5.1
Contact: ogabbay@kernel.org
-Description: Sets the state of the first S/W led on the device
+Description: Sets the state of the first S/W led on the device, Not available
+ when device is loaded with secured firmware
What: /sys/kernel/debug/habanalabs/hl<n>/led1
Date: Jan 2019
KernelVersion: 5.1
Contact: ogabbay@kernel.org
-Description: Sets the state of the second S/W led on the device
+Description: Sets the state of the second S/W led on the device, Not available
+ when device is loaded with secured firmware
What: /sys/kernel/debug/habanalabs/hl<n>/led2
Date: Jan 2019
KernelVersion: 5.1
Contact: ogabbay@kernel.org
-Description: Sets the state of the third S/W led on the device
+Description: Sets the state of the third S/W led on the device, Not available
+ when device is loaded with secured firmware
What: /sys/kernel/debug/habanalabs/hl<n>/memory_scrub
Date: May 2022
.release = single_release,
};
+static void add_secured_nodes(struct hl_dbg_device_entry *dev_entry)
+{
+ debugfs_create_u8("i2c_bus",
+ 0644,
+ dev_entry->root,
+ &dev_entry->i2c_bus);
+
+ debugfs_create_u8("i2c_addr",
+ 0644,
+ dev_entry->root,
+ &dev_entry->i2c_addr);
+
+ debugfs_create_u8("i2c_reg",
+ 0644,
+ dev_entry->root,
+ &dev_entry->i2c_reg);
+
+ debugfs_create_u8("i2c_len",
+ 0644,
+ dev_entry->root,
+ &dev_entry->i2c_len);
+
+ debugfs_create_file("i2c_data",
+ 0644,
+ dev_entry->root,
+ dev_entry,
+ &hl_i2c_data_fops);
+
+ debugfs_create_file("led0",
+ 0200,
+ dev_entry->root,
+ dev_entry,
+ &hl_led0_fops);
+
+ debugfs_create_file("led1",
+ 0200,
+ dev_entry->root,
+ dev_entry,
+ &hl_led1_fops);
+
+ debugfs_create_file("led2",
+ 0200,
+ dev_entry->root,
+ dev_entry,
+ &hl_led2_fops);
+}
+
void hl_debugfs_add_device(struct hl_device *hdev)
{
struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs;
dev_entry,
&hl_power_fops);
- debugfs_create_u8("i2c_bus",
- 0644,
- dev_entry->root,
- &dev_entry->i2c_bus);
-
- debugfs_create_u8("i2c_addr",
- 0644,
- dev_entry->root,
- &dev_entry->i2c_addr);
-
- debugfs_create_u8("i2c_reg",
- 0644,
- dev_entry->root,
- &dev_entry->i2c_reg);
-
- debugfs_create_u8("i2c_len",
- 0644,
- dev_entry->root,
- &dev_entry->i2c_len);
-
- debugfs_create_file("i2c_data",
- 0644,
- dev_entry->root,
- dev_entry,
- &hl_i2c_data_fops);
-
- debugfs_create_file("led0",
- 0200,
- dev_entry->root,
- dev_entry,
- &hl_led0_fops);
-
- debugfs_create_file("led1",
- 0200,
- dev_entry->root,
- dev_entry,
- &hl_led1_fops);
-
- debugfs_create_file("led2",
- 0200,
- dev_entry->root,
- dev_entry,
- &hl_led2_fops);
-
debugfs_create_file("device",
0200,
dev_entry->root,
entry->info_ent = &hl_debugfs_list[i];
entry->dev_entry = dev_entry;
}
+
+ if (!hdev->asic_prop.fw_security_enabled)
+ add_secured_nodes(dev_entry);
}
void hl_debugfs_remove_device(struct hl_device *hdev)