drivers/crypto: fix PMDs memory leak
[dpdk.git] / drivers / crypto / octeontx / otx_cryptodev_hw_access.h
index 6f4d6e1..82b15ee 100644 (file)
@@ -1,19 +1,20 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  * Copyright(c) 2018 Cavium, Inc
  */
-
 #ifndef _OTX_CRYPTODEV_HW_ACCESS_H_
 #define _OTX_CRYPTODEV_HW_ACCESS_H_
 
 #include <stdbool.h>
 
 #include <rte_branch_prediction.h>
+#include <rte_cycles.h>
 #include <rte_io.h>
 #include <rte_memory.h>
 #include <rte_prefetch.h>
 
 #include "cpt_common.h"
 #include "cpt_hw_types.h"
+#include "cpt_mcode_defines.h"
 #include "cpt_pmd_logs.h"
 
 #define CPT_INTR_POLL_INTERVAL_MS      (50)
@@ -252,10 +253,68 @@ static __rte_always_inline uint8_t
 check_nb_command_id(struct cpt_request_info *user_req,
                struct cpt_instance *instance)
 {
-       /* Required for dequeue operation. Adding a dummy routine for now */
-       RTE_SET_USED(user_req);
-       RTE_SET_USED(instance);
-       return 0;
+       uint8_t ret = ERR_REQ_PENDING;
+       struct cpt_vf *cptvf = (struct cpt_vf *)instance;
+       volatile cpt_res_s_t *cptres;
+
+       cptres = (volatile cpt_res_s_t *)user_req->completion_addr;
+
+       if (unlikely(cptres->s8x.compcode == CPT_8X_COMP_E_NOTDONE)) {
+               /*
+                * Wait for some time for this command to get completed
+                * before timing out
+                */
+               if (rte_get_timer_cycles() < user_req->time_out)
+                       return ret;
+               /*
+                * TODO: See if alternate caddr can be used to not loop
+                * longer than needed.
+                */
+               if ((cptres->s8x.compcode == CPT_8X_COMP_E_NOTDONE) &&
+                   (user_req->extra_time < TIME_IN_RESET_COUNT)) {
+                       user_req->extra_time++;
+                       return ret;
+               }
+
+               if (cptres->s8x.compcode != CPT_8X_COMP_E_NOTDONE)
+                       goto complete;
+
+               ret = ERR_REQ_TIMEOUT;
+               CPT_LOG_DP_ERR("Request %p timedout", user_req);
+               otx_cpt_poll_misc(cptvf);
+               goto exit;
+       }
+
+complete:
+       if (likely(cptres->s8x.compcode == CPT_8X_COMP_E_GOOD)) {
+               ret = 0; /* success */
+               if (unlikely((uint8_t)*user_req->alternate_caddr)) {
+                       ret = (uint8_t)*user_req->alternate_caddr;
+                       CPT_LOG_DP_ERR("Request %p : failed with microcode"
+                               " error, MC completion code : 0x%x", user_req,
+                               ret);
+               }
+               CPT_LOG_DP_DEBUG("MC status %.8x\n",
+                          *((volatile uint32_t *)user_req->alternate_caddr));
+               CPT_LOG_DP_DEBUG("HW status %.8x\n",
+                          *((volatile uint32_t *)user_req->completion_addr));
+       } else if ((cptres->s8x.compcode == CPT_8X_COMP_E_SWERR) ||
+                  (cptres->s8x.compcode == CPT_8X_COMP_E_FAULT)) {
+               ret = (uint8_t)*user_req->alternate_caddr;
+               if (!ret)
+                       ret = ERR_BAD_ALT_CCODE;
+               CPT_LOG_DP_DEBUG("Request %p : failed with %s : err code :%x",
+                          user_req,
+                          (cptres->s8x.compcode == CPT_8X_COMP_E_FAULT) ?
+                          "DMA Fault" : "Software error", ret);
+       } else {
+               CPT_LOG_DP_ERR("Request %p : unexpected completion code %d",
+                          user_req, cptres->s8x.compcode);
+               ret = (uint8_t)*user_req->alternate_caddr;
+       }
+
+exit:
+       return ret;
 }
 
 #endif /* _OTX_CRYPTODEV_HW_ACCESS_H_ */