Add the hardware error isolation feature for ACC. Defines a driver debugfs node that used to configures the hardware error frequency. When the error frequency is exceeded, the device will be isolated. The isolation strategy can be defined in each driver module. e.g. Defining the isolation strategy for ACC, if the AER error frequency exceeds the value of setting for a certain period of time, The device will not be available in user space. The VF device use the PF device isolation strategy. as well as the isolation strategy should not be set during device use. changes v1->v2: 1、deleted dev_to_uacce api. 2、add vfs node doc. 3、move uacce->ref to driver. Kai Ye (3): uacce: supports device isolation feature Documentation: add a isolation strategy vfs node for uacce crypto: hisilicon/qm - defining the device isolation strategy Documentation/ABI/testing/sysfs-driver-uacce | 17 ++ drivers/crypto/hisilicon/qm.c | 157 +++++++++++++++++-- drivers/misc/uacce/uacce.c | 37 +++++ include/linux/hisi_acc_qm.h | 9 ++ include/linux/uacce.h | 16 +- 5 files changed, 219 insertions(+), 17 deletions(-) -- 2.33.0