/* 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.h"
+#include "tf_util.h"
+#include "tfp.h"
struct tf;
/**
* Identifier DBs.
*/
-/* static void *ident_db[TF_DIR_MAX]; */
+static void *ident_db[TF_DIR_MAX];
/**
* Init flag, set on bind and cleared on unbind
*/
-/* static uint8_t init; */
+static uint8_t init;
+
+/**
+ * Identifier shadow DBs.
+ */
+static void *ident_shadow_db[TF_DIR_MAX];
+
+/**
+ * Shadow DB Init flag, set on bind and cleared on unbind
+ */
+static uint8_t shadow_init;
int
-tf_ident_bind(struct tf *tfp __rte_unused,
- struct tf_ident_cfg *parms __rte_unused)
+tf_ident_bind(struct tf *tfp,
+ struct tf_ident_cfg_parms *parms)
{
+ int rc;
+ 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 };
+
+ TF_CHECK_PARMS2(tfp, parms);
+
+ if (init) {
+ TFP_DRV_LOG(ERR,
+ "Identifier DB already initialized\n");
+ return -EINVAL;
+ }
+
+ db_cfg.type = TF_DEVICE_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.dir = i;
+ 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",
+ tf_dir_2_str(i));
+
+ return rc;
+ }
+
+ 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;
+ }
+ shadow_init = 1;
+ }
+ }
+
+ init = 1;
+
+ 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 = 0;
+ int i;
+ struct tf_rm_free_db_parms fparms = { 0 };
+ struct tf_shadow_ident_free_db_parms sparms = { 0 };
+
+ TF_CHECK_PARMS1(tfp);
+
+ /* Bail if nothing has been initialized */
+ if (!init) {
+ TFP_DRV_LOG(INFO,
+ "No Identifier DBs created\n");
+ return 0;
+ }
+
+ for (i = 0; i < TF_DIR_MAX; i++) {
+ fparms.dir = i;
+ fparms.rm_db = ident_db[i];
+ rc = tf_rm_free_db(tfp, &fparms);
+ 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[i] = NULL;
+ }
+
+ init = 0;
+ shadow_init = 0;
+
return 0;
}
int
tf_ident_alloc(struct tf *tfp __rte_unused,
- struct tf_ident_alloc_parms *parms __rte_unused)
+ struct tf_ident_alloc_parms *parms)
{
+ int rc;
+ uint32_t id;
+ uint32_t base_id;
+ struct tf_rm_allocate_parms aparms = { 0 };
+ struct tf_shadow_ident_insert_parms iparms = { 0 };
+
+ TF_CHECK_PARMS2(tfp, parms);
+
+ if (!init) {
+ TFP_DRV_LOG(ERR,
+ "%s: No Identifier DBs created\n",
+ tf_dir_2_str(parms->dir));
+ return -EINVAL;
+ }
+
+ /* Allocate requested element */
+ aparms.rm_db = ident_db[parms->dir];
+ aparms.db_index = parms->type;
+ aparms.index = &id;
+ aparms.base_index = &base_id;
+ rc = tf_rm_allocate(&aparms);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s: Failed allocate, type:%d\n",
+ tf_dir_2_str(parms->dir),
+ parms->type);
+ 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;
}
int
tf_ident_free(struct tf *tfp __rte_unused,
- struct tf_ident_free_parms *parms __rte_unused)
+ struct tf_ident_free_parms *parms)
{
+ 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;
+
+ TF_CHECK_PARMS2(tfp, parms);
+
+ if (!init) {
+ TFP_DRV_LOG(ERR,
+ "%s: No Identifier DBs created\n",
+ tf_dir_2_str(parms->dir));
+ return -EINVAL;
+ }
+
+ /* Check if element is in use */
+ aparms.rm_db = ident_db[parms->dir];
+ aparms.db_index = 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 != 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 -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.index = parms->id;
+ rc = tf_rm_free(&fparms);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s: Free failed, type:%d, index:%d\n",
+ tf_dir_2_str(parms->dir),
+ parms->type,
+ parms->id);
+ return rc;
+ }
+
+ 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;
+
+ TF_CHECK_PARMS2(tfp, parms);
+
+ if (!init) {
+ TFP_DRV_LOG(ERR,
+ "%s: No Identifier DBs created\n",
+ tf_dir_2_str(parms->dir));
+ return -EINVAL;
+ }
+
+ if (!shadow_init) {
+ TFP_DRV_LOG(ERR,
+ "%s: Identifier Shadow copy is not enabled\n",
+ tf_dir_2_str(parms->dir));
+ return -EINVAL;
+ }
+
+ /* Check if element is in use */
+ aparms.rm_db = ident_db[parms->dir];
+ aparms.db_index = 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;
}
git.droids-corp.org / dpdk.git / blobdiff