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crypto: qat - disable arbitration before reset

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Disable arbitration to avoid new requests to be processed before
resetting a device.

This is needed so that new requests are not fetched when an error is
detected.

Signed-off-by: Furong Zhou <furong.zhou@intel.com>
Reviewed-by: Ahsan Atta <ahsan.atta@intel.com>
Reviewed-by: Markas Rapoportas <markas.rapoportas@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Mun Chun Yep <mun.chun.yep@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Furong Zhou
2024-02-02 18:53:18 +08:00
committed by Herbert Xu
parent ae508d7afb
commit 758a0087db
1 changed files with 8 additions and 0 deletions
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drivers/crypto/intel/qat/qat_common/adf_aer.c
+8
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@@ -181,8 +181,16 @@ static void adf_notify_fatal_error_worker(struct work_struct *work)
struct adf_fatal_error_data *wq_data =
container_of(work, struct adf_fatal_error_data, work);
struct adf_accel_dev *accel_dev = wq_data->accel_dev;
struct adf_hw_device_data *hw_device = accel_dev->hw_device;
adf_error_notifier(accel_dev);
if (!accel_dev->is_vf) {
/* Disable arbitration to stop processing of new requests */
if (hw_device->exit_arb)
hw_device->exit_arb(accel_dev);
}
kfree(wq_data);
}