diff options
Diffstat (limited to 'drivers/crypto/qat/qat_common/adf_init.c')
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_init.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_init.c b/drivers/crypto/qat/qat_common/adf_init.c index cef7bb8ec007..988cffd0b833 100644 --- a/drivers/crypto/qat/qat_common/adf_init.c +++ b/drivers/crypto/qat/qat_common/adf_init.c @@ -400,3 +400,67 @@ int adf_dev_shutdown_cache_cfg(struct adf_accel_dev *accel_dev) return 0; } + +int adf_dev_down(struct adf_accel_dev *accel_dev, bool reconfig) +{ + int ret = 0; + + if (!accel_dev) + return -EINVAL; + + mutex_lock(&accel_dev->state_lock); + + if (!adf_dev_started(accel_dev)) { + dev_info(&GET_DEV(accel_dev), "Device qat_dev%d already down\n", + accel_dev->accel_id); + ret = -EINVAL; + goto out; + } + + if (reconfig) { + ret = adf_dev_shutdown_cache_cfg(accel_dev); + goto out; + } + + adf_dev_stop(accel_dev); + adf_dev_shutdown(accel_dev); + +out: + mutex_unlock(&accel_dev->state_lock); + return ret; +} +EXPORT_SYMBOL_GPL(adf_dev_down); + +int adf_dev_up(struct adf_accel_dev *accel_dev, bool config) +{ + int ret = 0; + + if (!accel_dev) + return -EINVAL; + + mutex_lock(&accel_dev->state_lock); + + if (adf_dev_started(accel_dev)) { + dev_info(&GET_DEV(accel_dev), "Device qat_dev%d already up\n", + accel_dev->accel_id); + ret = -EALREADY; + goto out; + } + + if (config && GET_HW_DATA(accel_dev)->dev_config) { + ret = GET_HW_DATA(accel_dev)->dev_config(accel_dev); + if (unlikely(ret)) + goto out; + } + + ret = adf_dev_init(accel_dev); + if (unlikely(ret)) + goto out; + + ret = adf_dev_start(accel_dev); + +out: + mutex_unlock(&accel_dev->state_lock); + return ret; +} +EXPORT_SYMBOL_GPL(adf_dev_up); |