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crypto: qat - refactor device restart logic

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Refactor the restart logic by moving it into the function
adf_dev_restart() which uses the safe function adf_dev_up() and
adf_dev_down().

This commit does not implement any functional change.

Signed-off-by: Shashank Gupta <shashank.gupta@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Shashank Gupta 2023-02-27 15:55:44 -05:00 committed by Herbert Xu
parent 2b60f79c7b
commit b97c5377d6
3 changed files with 20 additions and 3 deletions
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4
drivers/crypto/qat/qat_common/adf_aer.c
View File

@ -90,9 +90,7 @@ static void adf_device_reset_worker(struct work_struct *work)
struct adf_accel_dev *accel_dev = reset_data->accel_dev;
adf_dev_restarting_notify(accel_dev);
adf_dev_stop(accel_dev);
adf_dev_shutdown(accel_dev);
if (adf_dev_init(accel_dev) || adf_dev_start(accel_dev)) {
if (adf_dev_restart(accel_dev)) {
/* The device hanged and we can't restart it so stop here */
dev_err(&GET_DEV(accel_dev), "Restart device failed\n");
kfree(reset_data);

1
drivers/crypto/qat/qat_common/adf_common_drv.h
View File

@ -60,6 +60,7 @@ int adf_dev_shutdown_cache_cfg(struct adf_accel_dev *accel_dev);
int adf_dev_up(struct adf_accel_dev *accel_dev, bool init_config);
int adf_dev_down(struct adf_accel_dev *accel_dev, bool cache_config);
int adf_dev_restart(struct adf_accel_dev *accel_dev);
void adf_devmgr_update_class_index(struct adf_hw_device_data *hw_data);
void adf_clean_vf_map(bool);

18
drivers/crypto/qat/qat_common/adf_init.c
View File

@ -464,3 +464,21 @@ out:
return ret;
}
EXPORT_SYMBOL_GPL(adf_dev_up);
int adf_dev_restart(struct adf_accel_dev *accel_dev)
{
int ret = 0;
if (!accel_dev)
return -EFAULT;
adf_dev_down(accel_dev, false);
ret = adf_dev_up(accel_dev, false);
/* if device is already up return success*/
if (ret == -EALREADY)
return 0;
return ret;
}
EXPORT_SYMBOL_GPL(adf_dev_restart);