/* 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_num = parms->resources->identifier_cnt[i];
- 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",
+ db_cfg.alloc_cnt = parms->resources->ident_cnt[i].cnt;
+ 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];
+ }
+
+ 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)
- 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;
}
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 };
+ 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->ident_type;
- aparms.index = (uint32_t *)&parms->id;
+ 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,
"%s: Failed allocate, type:%d\n",
tf_dir_2_str(parms->dir),
- parms->ident_type);
+ 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 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->ident_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->ident_type,
+ 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->ident_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) {
TFP_DRV_LOG(ERR,
"%s: Free failed, type:%d, index:%d\n",
tf_dir_2_str(parms->dir),
- parms->ident_type,
+ 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;
+ 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;
+}