[v4,1/2] compress/qat: overflow catch for stateless compression
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Commit Message
This patch adds out-of-space recoverable feature for stateless
compression scenario to QuickAssist compressdev driver
Signed-off-by: Artur Trybula <arturx.trybula@intel.com>
---
drivers/compress/qat/qat_comp.c | 28 +++++++++++++++++++++++++---
1 file changed, 25 insertions(+), 3 deletions(-)
@@ -324,10 +324,32 @@ qat_comp_process_response(void **op, uint8_t *resp, void *op_cookie,
(!cmp_err_code && xlat_err_code == ERR_CODE_OVERFLOW_ERROR)
||
(cmp_err_code == ERR_CODE_OVERFLOW_ERROR &&
- xlat_err_code == ERR_CODE_OVERFLOW_ERROR))
- rx_op->status =
+ xlat_err_code == ERR_CODE_OVERFLOW_ERROR)){
+
+ struct icp_qat_fw_resp_comp_pars *comp_resp =
+ (struct icp_qat_fw_resp_comp_pars *)&resp_msg->comp_resp_pars;
+
+ /* handle recoverable out-of-buffer condition */
+ /* in stateless compression scenario */
+ if (comp_resp->input_byte_counter) {
+ if ((qat_xform->qat_comp_request_type
+ == QAT_COMP_REQUEST_FIXED_COMP_STATELESS) ||
+ (qat_xform->qat_comp_request_type
+ == QAT_COMP_REQUEST_DYNAMIC_COMP_STATELESS)) {
+
+ rx_op->status =
+ RTE_COMP_OP_STATUS_OUT_OF_SPACE_RECOVERABLE;
+ rx_op->consumed =
+ comp_resp->input_byte_counter;
+ rx_op->produced =
+ comp_resp->output_byte_counter;
+ } else
+ rx_op->status =
+ RTE_COMP_OP_STATUS_OUT_OF_SPACE_TERMINATED;
+ } else
+ rx_op->status =
RTE_COMP_OP_STATUS_OUT_OF_SPACE_TERMINATED;
- else
+ } else
rx_op->status = RTE_COMP_OP_STATUS_ERROR;
++(*dequeue_err_count);