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path: root/drivers/crypto/intel/qat/qat_common/adf_telemetry.c
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Diffstat (limited to 'drivers/crypto/intel/qat/qat_common/adf_telemetry.c')
-rw-r--r--drivers/crypto/intel/qat/qat_common/adf_telemetry.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/crypto/intel/qat/qat_common/adf_telemetry.c b/drivers/crypto/intel/qat/qat_common/adf_telemetry.c
index 2ff714d11bd2..74fb0c2ed241 100644
--- a/drivers/crypto/intel/qat/qat_common/adf_telemetry.c
+++ b/drivers/crypto/intel/qat/qat_common/adf_telemetry.c
@@ -41,6 +41,20 @@ static int validate_tl_data(struct adf_tl_hw_data *tl_data)
return 0;
}
+static int validate_tl_slice_counters(struct icp_qat_fw_init_admin_slice_cnt *slice_count,
+ u8 max_slices_per_type)
+{
+ u8 *sl_counter = (u8 *)slice_count;
+ int i;
+
+ for (i = 0; i < ADF_TL_SL_CNT_COUNT; i++) {
+ if (sl_counter[i] > max_slices_per_type)
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int adf_tl_alloc_mem(struct adf_accel_dev *accel_dev)
{
struct adf_tl_hw_data *tl_data = &GET_TL_DATA(accel_dev);
@@ -214,6 +228,13 @@ int adf_tl_run(struct adf_accel_dev *accel_dev, int state)
return ret;
}
+ ret = validate_tl_slice_counters(&telemetry->slice_cnt, tl_data->max_sl_cnt);
+ if (ret) {
+ dev_err(dev, "invalid value returned by FW\n");
+ adf_send_admin_tl_stop(accel_dev);
+ return ret;
+ }
+
telemetry->hbuffs = state;
atomic_set(&telemetry->state, state);