eal: remove sys/queue.h from public headers
[dpdk.git] / drivers / net / bnxt / tf_core / tf_identifier.c
index ee07a6a..c491f77 100644 (file)
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2019-2020 Broadcom
+ * Copyright(c) 2019-2021 Broadcom
  * All rights reserved.
  */
 
 #include <rte_common.h>
 
 #include "tf_identifier.h"
+#include "tf_shadow_identifier.h"
 #include "tf_common.h"
-#include "tf_rm_new.h"
+#include "tf_rm.h"
 #include "tf_util.h"
 #include "tfp.h"
+#include "tf_session.h"
 
 struct tf;
 
 /**
- * Identifier DBs.
+ * Identifier shadow DBs.
  */
-static void *ident_db[TF_DIR_MAX];
+static void *ident_shadow_db[TF_DIR_MAX];
 
 /**
- * Init flag, set on bind and cleared on unbind
+ * Shadow DB Init flag, set on bind and cleared on unbind
  */
-static uint8_t init;
+static uint8_t shadow_init;
 
 int
 tf_ident_bind(struct tf *tfp,
              struct tf_ident_cfg_parms *parms)
 {
        int rc;
+       int db_rc[TF_DIR_MAX] = { 0 };
        int i;
        struct tf_rm_create_db_parms db_cfg = { 0 };
+       struct tf_shadow_ident_cfg_parms shadow_cfg = { 0 };
+       struct tf_shadow_ident_create_db_parms shadow_cdb = { 0 };
+       struct ident_rm_db *ident_db;
+       struct tfp_calloc_parms cparms;
+       struct tf_session *tfs;
 
        TF_CHECK_PARMS2(tfp, parms);
 
-       if (init) {
-               TFP_DRV_LOG(ERR,
-                           "Identifier already initialized\n");
-               return -EINVAL;
+       /* Retrieve the session information */
+       rc = tf_session_get_session_internal(tfp, &tfs);
+       if (rc)
+               return rc;
+
+       memset(&db_cfg, 0, sizeof(db_cfg));
+       cparms.nitems = 1;
+       cparms.size = sizeof(struct ident_rm_db);
+       cparms.alignment = 0;
+       if (tfp_calloc(&cparms) != 0) {
+               TFP_DRV_LOG(ERR, "ident_rm_db alloc error %s\n",
+                           strerror(ENOMEM));
+               return -ENOMEM;
        }
 
+       ident_db = cparms.mem_va;
+       for (i = 0; i < TF_DIR_MAX; i++)
+               ident_db->ident_db[i] = NULL;
+       tf_session_set_db(tfp, TF_MODULE_TYPE_IDENTIFIER, ident_db);
+
+       db_cfg.module = TF_MODULE_TYPE_IDENTIFIER;
        db_cfg.num_elements = parms->num_elements;
+       db_cfg.cfg = parms->cfg;
 
        for (i = 0; i < TF_DIR_MAX; i++) {
+               db_cfg.rm_db = (void *)&ident_db->ident_db[i];
                db_cfg.dir = i;
-               db_cfg.num_elements = parms->num_elements;
-               db_cfg.cfg = parms->cfg;
                db_cfg.alloc_cnt = parms->resources->ident_cnt[i].cnt;
-               db_cfg.rm_db = &ident_db[i];
-               rc = tf_rm_create_db(tfp, &db_cfg);
-               if (rc) {
-                       TFP_DRV_LOG(ERR,
-                                   "%s: Identifier DB creation failed\n",
+               if (tf_session_is_shared_session(tfs) &&
+                       (!tf_session_is_shared_session_creator(tfs)))
+                       db_rc[i] = tf_rm_create_db_no_reservation(tfp, &db_cfg);
+               else
+                       db_rc[i] = tf_rm_create_db(tfp, &db_cfg);
+
+               if (parms->shadow_copy) {
+                       shadow_cfg.alloc_cnt =
+                               parms->resources->ident_cnt[i].cnt;
+                       shadow_cdb.num_elements = parms->num_elements;
+                       shadow_cdb.tf_shadow_ident_db = &ident_shadow_db[i];
+                       shadow_cdb.cfg = &shadow_cfg;
+                       rc = tf_shadow_ident_create_db(&shadow_cdb);
+                       if (rc) {
+                               TFP_DRV_LOG(ERR,
+                                   "%s: Ident shadow DB creation failed\n",
                                    tf_dir_2_str(i));
 
-                       return rc;
+                               return rc;
+                       }
+                       shadow_init = 1;
                }
        }
 
-       init = 1;
+       /* No db created */
+       if (db_rc[TF_DIR_RX] && db_rc[TF_DIR_TX]) {
+               TFP_DRV_LOG(ERR, "No Identifier DB created\n");
+               return db_rc[TF_DIR_RX];
+       }
 
-       printf("Identifier - initialized\n");
+       TFP_DRV_LOG(INFO,
+                   "Identifier - initialized\n");
 
        return 0;
 }
 
 int
-tf_ident_unbind(struct tf *tfp __rte_unused)
+tf_ident_unbind(struct tf *tfp)
 {
-       int rc;
+       int rc = 0;
        int i;
        struct tf_rm_free_db_parms fparms = { 0 };
+       struct tf_shadow_ident_free_db_parms sparms = { 0 };
+       struct ident_rm_db *ident_db;
+       void *ident_db_ptr = NULL;
 
        TF_CHECK_PARMS1(tfp);
 
-       /* Bail if nothing has been initialized done silent as to
-        * allow for creation cleanup.
-        */
-       if (!init) {
-               TFP_DRV_LOG(ERR,
-                           "No Identifier DBs created\n");
-               return -EINVAL;
-       }
+       rc = tf_session_get_db(tfp, TF_MODULE_TYPE_IDENTIFIER, &ident_db_ptr);
+       if (rc)
+               return 0;
+       ident_db = (struct ident_rm_db *)ident_db_ptr;
 
        for (i = 0; i < TF_DIR_MAX; i++) {
+               if (ident_db->ident_db[i] == NULL)
+                       continue;
+               fparms.rm_db = ident_db->ident_db[i];
                fparms.dir = i;
-               fparms.rm_db = ident_db[i];
                rc = tf_rm_free_db(tfp, &fparms);
-               if (rc)
-                       return rc;
-
-               ident_db[i] = NULL;
+               if (rc) {
+                       TFP_DRV_LOG(ERR,
+                                   "rm free failed on unbind\n");
+               }
+               if (shadow_init) {
+                       sparms.tf_shadow_ident_db = ident_shadow_db[i];
+                       rc = tf_shadow_ident_free_db(&sparms);
+                       if (rc) {
+                               /* TODO: If there are failures on unbind we
+                                * really just have to try until all DBs are
+                                * attempted to be cleared.
+                                */
+                       }
+                       ident_shadow_db[i] = NULL;
+               }
+               ident_db->ident_db[i] = NULL;
        }
 
-       init = 0;
+       shadow_init = 0;
 
        return 0;
 }
@@ -103,21 +157,27 @@ tf_ident_alloc(struct tf *tfp __rte_unused,
 {
        int rc;
        uint32_t id;
+       uint32_t base_id;
        struct tf_rm_allocate_parms aparms = { 0 };
+       struct tf_shadow_ident_insert_parms iparms = { 0 };
+       struct ident_rm_db *ident_db;
+       void *ident_db_ptr = NULL;
 
        TF_CHECK_PARMS2(tfp, parms);
 
-       if (!init) {
+       rc = tf_session_get_db(tfp, TF_MODULE_TYPE_IDENTIFIER, &ident_db_ptr);
+       if (rc) {
                TFP_DRV_LOG(ERR,
-                           "%s: No Identifier DBs created\n",
-                           tf_dir_2_str(parms->dir));
-               return -EINVAL;
+                           "Failed to get ident_db from session, rc:%s\n",
+                           strerror(-rc));
+               return rc;
        }
+       ident_db = (struct ident_rm_db *)ident_db_ptr;
 
-       /* Allocate requested element */
-       aparms.rm_db = ident_db[parms->dir];
-       aparms.db_index = parms->type;
+       aparms.rm_db = ident_db->ident_db[parms->dir];
+       aparms.subtype = parms->type;
        aparms.index = &id;
+       aparms.base_index = &base_id;
        rc = tf_rm_allocate(&aparms);
        if (rc) {
                TFP_DRV_LOG(ERR,
@@ -127,6 +187,21 @@ tf_ident_alloc(struct tf *tfp __rte_unused,
                return rc;
        }
 
+       if (shadow_init) {
+               iparms.tf_shadow_ident_db = ident_shadow_db[parms->dir];
+               iparms.type = parms->type;
+               iparms.id = base_id;
+
+               rc = tf_shadow_ident_insert(&iparms);
+               if (rc) {
+                       TFP_DRV_LOG(ERR,
+                                   "%s: Failed insert shadow DB, type:%d\n",
+                                   tf_dir_2_str(parms->dir),
+                                   parms->type);
+                       return rc;
+               }
+       }
+
        *parms->id = id;
 
        return 0;
@@ -139,38 +214,66 @@ tf_ident_free(struct tf *tfp __rte_unused,
        int rc;
        struct tf_rm_is_allocated_parms aparms = { 0 };
        struct tf_rm_free_parms fparms = { 0 };
+       struct tf_shadow_ident_remove_parms rparms = { 0 };
        int allocated = 0;
+       uint32_t base_id;
+       struct ident_rm_db *ident_db;
+       void *ident_db_ptr = NULL;
 
        TF_CHECK_PARMS2(tfp, parms);
 
-       if (!init) {
+       rc = tf_session_get_db(tfp, TF_MODULE_TYPE_IDENTIFIER, &ident_db_ptr);
+       if (rc) {
                TFP_DRV_LOG(ERR,
-                           "%s: No Identifier DBs created\n",
-                           tf_dir_2_str(parms->dir));
-               return -EINVAL;
+                           "Failed to get ident_db from session, rc:%s\n",
+                           strerror(-rc));
+               return rc;
        }
+       ident_db = (struct ident_rm_db *)ident_db_ptr;
 
        /* Check if element is in use */
-       aparms.rm_db = ident_db[parms->dir];
-       aparms.db_index = parms->type;
+       aparms.rm_db = ident_db->ident_db[parms->dir];
+       aparms.subtype = parms->type;
        aparms.index = parms->id;
+       aparms.base_index = &base_id;
        aparms.allocated = &allocated;
        rc = tf_rm_is_allocated(&aparms);
        if (rc)
                return rc;
 
-       if (!allocated) {
+       if (allocated != TF_RM_ALLOCATED_ENTRY_IN_USE) {
                TFP_DRV_LOG(ERR,
                            "%s: Entry already free, type:%d, index:%d\n",
                            tf_dir_2_str(parms->dir),
                            parms->type,
                            parms->id);
-               return rc;
+               return -EINVAL;
+       }
+
+       if (shadow_init) {
+               rparms.tf_shadow_ident_db = ident_shadow_db[parms->dir];
+               rparms.type = parms->type;
+               rparms.id = base_id;
+               rparms.ref_cnt = parms->ref_cnt;
+
+               rc = tf_shadow_ident_remove(&rparms);
+               if (rc) {
+                       TFP_DRV_LOG(ERR,
+                                   "%s: ref_cnt was 0 in shadow DB,"
+                                   " type:%d, index:%d\n",
+                                   tf_dir_2_str(parms->dir),
+                                   parms->type,
+                                   parms->id);
+                       return rc;
+               }
+
+               if (*rparms.ref_cnt > 0)
+                       return 0;
        }
 
        /* Free requested element */
-       fparms.rm_db = ident_db[parms->dir];
-       fparms.db_index = parms->type;
+       fparms.rm_db = ident_db->ident_db[parms->dir];
+       fparms.subtype = parms->type;
        fparms.index = parms->id;
        rc = tf_rm_free(&fparms);
        if (rc) {
@@ -184,3 +287,110 @@ tf_ident_free(struct tf *tfp __rte_unused,
 
        return 0;
 }
+
+int
+tf_ident_search(struct tf *tfp __rte_unused,
+               struct tf_ident_search_parms *parms)
+{
+       int rc;
+       struct tf_rm_is_allocated_parms aparms = { 0 };
+       struct tf_shadow_ident_search_parms sparms = { 0 };
+       int allocated = 0;
+       uint32_t base_id;
+       struct ident_rm_db *ident_db;
+       void *ident_db_ptr = NULL;
+
+       TF_CHECK_PARMS2(tfp, parms);
+
+       if (!shadow_init) {
+               TFP_DRV_LOG(ERR,
+                           "%s: Identifier Shadow copy is not enabled\n",
+                           tf_dir_2_str(parms->dir));
+               return -EINVAL;
+       }
+
+       rc = tf_session_get_db(tfp, TF_MODULE_TYPE_IDENTIFIER, &ident_db_ptr);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "Failed to get ident_db from session, rc:%s\n",
+                           strerror(-rc));
+               return rc;
+       }
+       ident_db = (struct ident_rm_db *)ident_db_ptr;
+
+       /* Check if element is in use */
+       aparms.rm_db = ident_db->ident_db[parms->dir];
+       aparms.subtype = parms->type;
+       aparms.index = parms->search_id;
+       aparms.base_index = &base_id;
+       aparms.allocated = &allocated;
+       rc = tf_rm_is_allocated(&aparms);
+       if (rc)
+               return rc;
+
+       if (allocated != TF_RM_ALLOCATED_ENTRY_IN_USE) {
+               TFP_DRV_LOG(ERR,
+                           "%s: Entry not allocated, type:%d, index:%d\n",
+                           tf_dir_2_str(parms->dir),
+                           parms->type,
+                           parms->search_id);
+               return -EINVAL;
+       }
+
+       sparms.tf_shadow_ident_db = ident_shadow_db[parms->dir];
+       sparms.type = parms->type;
+       sparms.search_id = base_id;
+       sparms.hit = parms->hit;
+       sparms.ref_cnt = parms->ref_cnt;
+
+       rc = tf_shadow_ident_search(&sparms);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "%s: Failed search shadow DB, type:%d\n",
+                           tf_dir_2_str(parms->dir),
+                           parms->type);
+               return rc;
+       }
+
+       return 0;
+}
+
+int
+tf_ident_get_resc_info(struct tf *tfp,
+                      struct tf_identifier_resource_info *ident)
+{
+       int rc;
+       int d;
+       struct tf_resource_info *dinfo;
+       struct tf_rm_get_alloc_info_parms ainfo;
+       void *ident_db_ptr = NULL;
+       struct ident_rm_db *ident_db;
+
+       TF_CHECK_PARMS2(tfp, ident);
+
+       rc = tf_session_get_db(tfp, TF_MODULE_TYPE_IDENTIFIER, &ident_db_ptr);
+       if (rc == -ENOMEM)
+               return 0; /* db doesn't exist */
+       else if (rc)
+               return rc; /* error getting db */
+
+       ident_db = (struct ident_rm_db *)ident_db_ptr;
+
+       /* check if reserved resource for WC is multiple of num_slices */
+       for (d = 0; d < TF_DIR_MAX; d++) {
+               ainfo.rm_db = ident_db->ident_db[d];
+
+               if (!ainfo.rm_db)
+                       continue;
+
+               dinfo = ident[d].info;
+
+               ainfo.info = (struct tf_rm_alloc_info *)dinfo;
+               ainfo.subtype = 0;
+               rc = tf_rm_get_all_info(&ainfo, TF_IDENT_TYPE_MAX);
+               if (rc)
+                       return rc;
+       }
+
+       return 0;
+}