op = 1;
else if (sscanf(str, "inject %32s %8s", block_name, err) == 2)
op = 2;
- else if (sscanf(str, "reboot %32s", block_name) == 1)
- op = 3;
else if (str[0] && str[1] && str[2] && str[3])
/* ascii string, but commands are not matched. */
return -EINVAL;
* value to the address.
*
* Second member: struct ras_debug_if::op.
- * It has four kinds of operations.
+ * It has three kinds of operations.
*
* - 0: disable RAS on the block. Take ::head as its data.
* - 1: enable RAS on the block. Take ::head as its data.
* - 2: inject errors on the block. Take ::inject as its data.
- * - 3: reboot on unrecoverable error
*
* How to use the interface?
* programs:
/* data.inject.address is offset instead of absolute gpu address */
ret = amdgpu_ras_error_inject(adev, &data.inject);
break;
- case 3:
- amdgpu_ras_get_context(adev)->reboot = true;
- break;
default:
ret = -EINVAL;
break;
adev, &amdgpu_ras_debugfs_ctrl_ops);
debugfs_create_file("ras_eeprom_reset", S_IWUGO | S_IRUGO, con->dir,
adev, &amdgpu_ras_debugfs_eeprom_ops);
+
+ /*
+ * After one uncorrectable error happens, usually GPU recovery will
+ * be scheduled. But due to the known problem in GPU recovery failing
+ * to bring GPU back, below interface provides one direct way to
+ * user to reboot system automatically in such case within
+ * ERREVENT_ATHUB_INTERRUPT generated. Normal GPU recovery routine
+ * will never be called.
+ */
+ debugfs_create_bool("auto_reboot", S_IWUGO | S_IRUGO, con->dir,
+ &con->reboot);
}
void amdgpu_ras_debugfs_create(struct amdgpu_device *adev,