/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2019-2020 Broadcom
+ * Copyright(c) 2019-2021 Broadcom
* All rights reserved.
*/
/* Truflow Table APIs and supporting code */
-#include <stdio.h>
-#include <string.h>
-#include <stdbool.h>
-#include <math.h>
-#include <sys/param.h>
#include <rte_common.h>
-#include <rte_errno.h>
-#include "hsi_struct_def_dpdk.h"
-#include "tf_core.h"
-#include "tf_session.h"
+#include "tf_tbl.h"
+#include "tf_common.h"
+#include "tf_rm.h"
+#include "tf_util.h"
#include "tf_msg.h"
#include "tfp.h"
-#include "hwrm_tf.h"
-#include "bnxt.h"
-#include "tf_resources.h"
-#include "tf_rm.h"
+#include "tf_session.h"
+#include "tf_device.h"
+
+#define TF_TBL_RM_TO_PTR(new_idx, idx, base, shift) { \
+ *(new_idx) = (((idx) + (base)) << (shift)); \
+}
+
+#define TF_TBL_PTR_TO_RM(new_idx, idx, base, shift) { \
+ *(new_idx) = (((idx) >> (shift)) - (base)); \
+}
+
+struct tf;
+
+/**
+ * Table Shadow DBs
+ */
+static void *shadow_tbl_db[TF_DIR_MAX];
+
+/**
+ * Shadow init flag, set on bind and cleared on unbind
+ */
+static uint8_t shadow_init;
+
+int
+tf_tbl_bind(struct tf *tfp,
+ struct tf_tbl_cfg_parms *parms)
+{
+ int rc, d, i;
+ struct tf_rm_create_db_parms db_cfg = { 0 };
+ struct tbl_rm_db *tbl_db;
+ struct tfp_calloc_parms cparms;
+ struct tf_session *tfs;
+
+ TF_CHECK_PARMS2(tfp, parms);
+
+ /* 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 tbl_rm_db);
+ cparms.alignment = 0;
+ if (tfp_calloc(&cparms) != 0) {
+ TFP_DRV_LOG(ERR, "tbl_rm_db alloc error %s\n",
+ strerror(ENOMEM));
+ return -ENOMEM;
+ }
+
+ tbl_db = cparms.mem_va;
+ for (i = 0; i < TF_DIR_MAX; i++)
+ tbl_db->tbl_db[i] = NULL;
+ tf_session_set_db(tfp, TF_MODULE_TYPE_TABLE, tbl_db);
+
+ db_cfg.num_elements = parms->num_elements;
+ db_cfg.module = TF_MODULE_TYPE_TABLE;
+ db_cfg.num_elements = parms->num_elements;
+ db_cfg.cfg = parms->cfg;
+
+ for (d = 0; d < TF_DIR_MAX; d++) {
+ db_cfg.dir = d;
+ db_cfg.alloc_cnt = parms->resources->tbl_cnt[d].cnt;
+ db_cfg.rm_db = (void *)&tbl_db->tbl_db[d];
+ if (tf_session_is_shared_session(tfs) &&
+ (!tf_session_is_shared_session_creator(tfs)))
+ rc = tf_rm_create_db_no_reservation(tfp, &db_cfg);
+ else
+ rc = tf_rm_create_db(tfp, &db_cfg);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s: Table DB creation failed\n",
+ tf_dir_2_str(d));
+
+ return rc;
+ }
+ }
+
+ TFP_DRV_LOG(INFO,
+ "Table Type - initialized\n");
+
+ return 0;
+}
+
+int
+tf_tbl_unbind(struct tf *tfp)
+{
+ int rc;
+ int i;
+ struct tf_rm_free_db_parms fparms = { 0 };
+ struct tbl_rm_db *tbl_db;
+ void *tbl_db_ptr = NULL;
+ TF_CHECK_PARMS1(tfp);
+
+ rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TABLE, &tbl_db_ptr);
+ if (rc) {
+ TFP_DRV_LOG(INFO,
+ "Tbl_db is not initialized, rc:%s\n",
+ strerror(-rc));
+ return 0;
+ }
+ tbl_db = (struct tbl_rm_db *)tbl_db_ptr;
+
+ for (i = 0; i < TF_DIR_MAX; i++) {
+ if (tbl_db->tbl_db[i] == NULL)
+ continue;
+ fparms.dir = i;
+ fparms.rm_db = tbl_db->tbl_db[i];
+ rc = tf_rm_free_db(tfp, &fparms);
+ if (rc)
+ return rc;
+
+ tbl_db->tbl_db[i] = NULL;
+ }
+
+ shadow_init = 0;
+
+ return 0;
+}
+
+int
+tf_tbl_alloc(struct tf *tfp __rte_unused,
+ struct tf_tbl_alloc_parms *parms)
+{
+ int rc;
+ uint32_t idx;
+ struct tf_rm_allocate_parms aparms = { 0 };
+ struct tf_session *tfs;
+ struct tf_dev_info *dev;
+ uint16_t base = 0, shift = 0;
+ struct tbl_rm_db *tbl_db;
+ void *tbl_db_ptr = NULL;
+
+ TF_CHECK_PARMS2(tfp, parms);
+
+ /* Retrieve the session information */
+ rc = tf_session_get_session_internal(tfp, &tfs);
+ if (rc)
+ return rc;
+
+ /* Retrieve the device information */
+ rc = tf_session_get_device(tfs, &dev);
+ if (rc)
+ return rc;
+
+ rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TABLE, &tbl_db_ptr);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "Failed to get em_ext_db from session, rc:%s\n",
+ strerror(-rc));
+ return rc;
+ }
+ tbl_db = (struct tbl_rm_db *)tbl_db_ptr;
+
+ /* Only get table info if required for the device */
+ if (dev->ops->tf_dev_get_tbl_info) {
+ rc = dev->ops->tf_dev_get_tbl_info(tfp,
+ tbl_db->tbl_db[parms->dir],
+ parms->type,
+ &base,
+ &shift);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s: Failed to get table info:%d\n",
+ tf_dir_2_str(parms->dir),
+ parms->type);
+ return rc;
+ }
+ }
+
+ /* Allocate requested element */
+ aparms.rm_db = tbl_db->tbl_db[parms->dir];
+ aparms.subtype = parms->type;
+ aparms.index = &idx;
+ 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;
+ }
+
+ TF_TBL_RM_TO_PTR(&idx, idx, base, shift);
+ *parms->idx = idx;
+
+ return 0;
+}
+
+int
+tf_tbl_free(struct tf *tfp __rte_unused,
+ struct tf_tbl_free_parms *parms)
+{
+ int rc;
+ struct tf_rm_is_allocated_parms aparms = { 0 };
+ struct tf_rm_free_parms fparms = { 0 };
+ int allocated = 0;
+ struct tf_session *tfs;
+ struct tf_dev_info *dev;
+ uint16_t base = 0, shift = 0;
+ struct tbl_rm_db *tbl_db;
+ void *tbl_db_ptr = NULL;
+
+ TF_CHECK_PARMS2(tfp, parms);
-#define PTU_PTE_VALID 0x1UL
-#define PTU_PTE_LAST 0x2UL
-#define PTU_PTE_NEXT_TO_LAST 0x4UL
+ /* Retrieve the session information */
+ rc = tf_session_get_session_internal(tfp, &tfs);
+ if (rc)
+ return rc;
-/* Number of pointers per page_size */
-#define MAX_PAGE_PTRS(page_size) ((page_size) / sizeof(void *))
+ /* Retrieve the device information */
+ rc = tf_session_get_device(tfs, &dev);
+ if (rc)
+ return rc;
-/* API defined in tf_tbl.h */
-void
-tf_init_tbl_pool(struct tf_session *session)
+ rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TABLE, &tbl_db_ptr);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "Failed to get em_ext_db from session, rc:%s\n",
+ strerror(-rc));
+ return rc;
+ }
+ tbl_db = (struct tbl_rm_db *)tbl_db_ptr;
+
+ /* Only get table info if required for the device */
+ if (dev->ops->tf_dev_get_tbl_info) {
+ rc = dev->ops->tf_dev_get_tbl_info(tfp,
+ tbl_db->tbl_db[parms->dir],
+ parms->type,
+ &base,
+ &shift);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s: Failed to get table info:%d\n",
+ tf_dir_2_str(parms->dir),
+ parms->type);
+ return rc;
+ }
+ }
+
+ /* Check if element is in use */
+ aparms.rm_db = tbl_db->tbl_db[parms->dir];
+ aparms.subtype = parms->type;
+
+ TF_TBL_PTR_TO_RM(&aparms.index, parms->idx, base, shift);
+
+ 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->idx);
+ return -EINVAL;
+ }
+ /* Free requested element */
+ fparms.rm_db = tbl_db->tbl_db[parms->dir];
+ fparms.subtype = parms->type;
+
+ TF_TBL_PTR_TO_RM(&fparms.index, parms->idx, base, shift);
+
+ 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->idx);
+ return rc;
+ }
+
+ return 0;
+}
+
+int
+tf_tbl_alloc_search(struct tf *tfp,
+ struct tf_tbl_alloc_search_parms *parms)
{
- enum tf_dir dir;
+ int rc = 0;
+ TF_CHECK_PARMS2(tfp, parms);
- for (dir = 0; dir < TF_DIR_MAX; dir++) {
- session->ext_pool_2_scope[dir][TF_EXT_POOL_0] =
- TF_TBL_SCOPE_INVALID;
+ if (!shadow_init || !shadow_tbl_db[parms->dir]) {
+ TFP_DRV_LOG(ERR, "%s: Shadow TBL not initialized.\n",
+ tf_dir_2_str(parms->dir));
+ return -EINVAL;
}
+
+ return rc;
+}
+
+int
+tf_tbl_set(struct tf *tfp,
+ struct tf_tbl_set_parms *parms)
+{
+ int rc;
+ int allocated = 0;
+ uint16_t hcapi_type;
+ struct tf_rm_is_allocated_parms aparms = { 0 };
+ struct tf_rm_get_hcapi_parms hparms = { 0 };
+ struct tf_session *tfs;
+ struct tf_dev_info *dev;
+ uint16_t base = 0, shift = 0;
+ struct tbl_rm_db *tbl_db;
+ void *tbl_db_ptr = NULL;
+
+ TF_CHECK_PARMS3(tfp, parms, parms->data);
+
+ /* Retrieve the session information */
+ rc = tf_session_get_session_internal(tfp, &tfs);
+ if (rc)
+ return rc;
+
+ /* Retrieve the device information */
+ rc = tf_session_get_device(tfs, &dev);
+ if (rc)
+ return rc;
+
+ rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TABLE, &tbl_db_ptr);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "Failed to get em_ext_db from session, rc:%s\n",
+ strerror(-rc));
+ return rc;
+ }
+ tbl_db = (struct tbl_rm_db *)tbl_db_ptr;
+
+ /* Only get table info if required for the device */
+ if (dev->ops->tf_dev_get_tbl_info) {
+ rc = dev->ops->tf_dev_get_tbl_info(tfp,
+ tbl_db->tbl_db[parms->dir],
+ parms->type,
+ &base,
+ &shift);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s: Failed to get table info:%d\n",
+ tf_dir_2_str(parms->dir),
+ parms->type);
+ return rc;
+ }
+ }
+
+ /* Verify that the entry has been previously allocated */
+ aparms.rm_db = tbl_db->tbl_db[parms->dir];
+ aparms.subtype = parms->type;
+ TF_TBL_PTR_TO_RM(&aparms.index, parms->idx, base, shift);
+
+ 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, Invalid or not allocated index, type:%d, idx:%d\n",
+ tf_dir_2_str(parms->dir),
+ parms->type,
+ parms->idx);
+ return -EINVAL;
+ }
+
+ /* Set the entry */
+ hparms.rm_db = tbl_db->tbl_db[parms->dir];
+ hparms.subtype = parms->type;
+ hparms.hcapi_type = &hcapi_type;
+ rc = tf_rm_get_hcapi_type(&hparms);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s, Failed type lookup, type:%d, rc:%s\n",
+ tf_dir_2_str(parms->dir),
+ parms->type,
+ strerror(-rc));
+ return rc;
+ }
+
+ rc = tf_msg_set_tbl_entry(tfp,
+ parms->dir,
+ hcapi_type,
+ parms->data_sz_in_bytes,
+ parms->data,
+ parms->idx);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s, Set failed, type:%d, rc:%s\n",
+ tf_dir_2_str(parms->dir),
+ parms->type,
+ strerror(-rc));
+ return rc;
+ }
+
+ return 0;
+}
+
+int
+tf_tbl_get(struct tf *tfp,
+ struct tf_tbl_get_parms *parms)
+{
+ int rc;
+ uint16_t hcapi_type;
+ int allocated = 0;
+ struct tf_rm_is_allocated_parms aparms = { 0 };
+ struct tf_rm_get_hcapi_parms hparms = { 0 };
+ struct tf_session *tfs;
+ struct tf_dev_info *dev;
+ uint16_t base = 0, shift = 0;
+ struct tbl_rm_db *tbl_db;
+ void *tbl_db_ptr = NULL;
+
+ TF_CHECK_PARMS3(tfp, parms, parms->data);
+
+ /* Retrieve the session information */
+ rc = tf_session_get_session_internal(tfp, &tfs);
+ if (rc)
+ return rc;
+
+ /* Retrieve the device information */
+ rc = tf_session_get_device(tfs, &dev);
+ if (rc)
+ return rc;
+
+ rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TABLE, &tbl_db_ptr);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "Failed to get em_ext_db from session, rc:%s\n",
+ strerror(-rc));
+ return rc;
+ }
+ tbl_db = (struct tbl_rm_db *)tbl_db_ptr;
+
+ /* Only get table info if required for the device */
+ if (dev->ops->tf_dev_get_tbl_info) {
+ rc = dev->ops->tf_dev_get_tbl_info(tfp,
+ tbl_db->tbl_db[parms->dir],
+ parms->type,
+ &base,
+ &shift);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s: Failed to get table info:%d\n",
+ tf_dir_2_str(parms->dir),
+ parms->type);
+ return rc;
+ }
+ }
+
+ /* Verify that the entry has been previously allocated */
+ aparms.rm_db = tbl_db->tbl_db[parms->dir];
+ aparms.subtype = parms->type;
+ TF_TBL_PTR_TO_RM(&aparms.index, parms->idx, base, shift);
+
+ 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, Invalid or not allocated index, type:%d, idx:%d\n",
+ tf_dir_2_str(parms->dir),
+ parms->type,
+ parms->idx);
+ return -EINVAL;
+ }
+
+ /* Set the entry */
+ hparms.rm_db = tbl_db->tbl_db[parms->dir];
+ hparms.subtype = parms->type;
+ hparms.hcapi_type = &hcapi_type;
+ rc = tf_rm_get_hcapi_type(&hparms);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s, Failed type lookup, type:%d, rc:%s\n",
+ tf_dir_2_str(parms->dir),
+ parms->type,
+ strerror(-rc));
+ return rc;
+ }
+
+ /* Get the entry */
+ rc = tf_msg_get_tbl_entry(tfp,
+ parms->dir,
+ hcapi_type,
+ parms->data_sz_in_bytes,
+ parms->data,
+ parms->idx);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s, Get failed, type:%d, rc:%s\n",
+ tf_dir_2_str(parms->dir),
+ parms->type,
+ strerror(-rc));
+ return rc;
+ }
+
+ return 0;
+}
+
+int
+tf_tbl_bulk_get(struct tf *tfp,
+ struct tf_tbl_get_bulk_parms *parms)
+{
+ int rc;
+ uint16_t hcapi_type;
+ struct tf_rm_get_hcapi_parms hparms = { 0 };
+ struct tf_rm_check_indexes_in_range_parms cparms = { 0 };
+ struct tf_session *tfs;
+ struct tf_dev_info *dev;
+ uint16_t base = 0, shift = 0;
+ struct tbl_rm_db *tbl_db;
+ void *tbl_db_ptr = NULL;
+
+ TF_CHECK_PARMS2(tfp, parms);
+
+ /* Retrieve the session information */
+ rc = tf_session_get_session_internal(tfp, &tfs);
+ if (rc)
+ return rc;
+
+ /* Retrieve the device information */
+ rc = tf_session_get_device(tfs, &dev);
+ if (rc)
+ return rc;
+
+ rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TABLE, &tbl_db_ptr);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "Failed to get em_ext_db from session, rc:%s\n",
+ strerror(-rc));
+ return rc;
+ }
+ tbl_db = (struct tbl_rm_db *)tbl_db_ptr;
+
+ /* Only get table info if required for the device */
+ if (dev->ops->tf_dev_get_tbl_info) {
+ rc = dev->ops->tf_dev_get_tbl_info(tfp,
+ tbl_db->tbl_db[parms->dir],
+ parms->type,
+ &base,
+ &shift);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s: Failed to get table info:%d\n",
+ tf_dir_2_str(parms->dir),
+ parms->type);
+ return rc;
+ }
+ }
+
+ /* Verify that the entries are in the range of reserved resources. */
+ cparms.rm_db = tbl_db->tbl_db[parms->dir];
+ cparms.subtype = parms->type;
+
+ TF_TBL_PTR_TO_RM(&cparms.starting_index, parms->starting_idx,
+ base, shift);
+
+ cparms.num_entries = parms->num_entries;
+
+ rc = tf_rm_check_indexes_in_range(&cparms);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s, Invalid or %d index starting from %d"
+ " not in range, type:%d",
+ tf_dir_2_str(parms->dir),
+ parms->starting_idx,
+ parms->num_entries,
+ parms->type);
+ return rc;
+ }
+
+ hparms.rm_db = tbl_db->tbl_db[parms->dir];
+ hparms.subtype = parms->type;
+ hparms.hcapi_type = &hcapi_type;
+ rc = tf_rm_get_hcapi_type(&hparms);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s, Failed type lookup, type:%d, rc:%s\n",
+ tf_dir_2_str(parms->dir),
+ parms->type,
+ strerror(-rc));
+ return rc;
+ }
+
+ /* Get the entries */
+ rc = tf_msg_bulk_get_tbl_entry(tfp,
+ parms->dir,
+ hcapi_type,
+ parms->starting_idx,
+ parms->num_entries,
+ parms->entry_sz_in_bytes,
+ parms->physical_mem_addr);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s, Bulk get failed, type:%d, rc:%s\n",
+ tf_dir_2_str(parms->dir),
+ parms->type,
+ strerror(-rc));
+ }
+
+ return rc;
+}
+
+int
+tf_tbl_get_resc_info(struct tf *tfp,
+ struct tf_tbl_resource_info *tbl)
+{
+ int rc;
+ int d, i;
+ struct tf_resource_info *dinfo;
+ struct tf_rm_get_alloc_info_parms ainfo;
+ void *tbl_db_ptr = NULL;
+ struct tbl_rm_db *tbl_db;
+ uint16_t base = 0, shift = 0;
+ struct tf_dev_info *dev;
+ struct tf_session *tfs;
+
+ TF_CHECK_PARMS2(tfp, tbl);
+
+ /* Retrieve the session information */
+ rc = tf_session_get_session_internal(tfp, &tfs);
+ if (rc)
+ return rc;
+
+ /* Retrieve the device information */
+ rc = tf_session_get_device(tfs, &dev);
+ if (rc)
+ return rc;
+
+ rc = tf_session_get_db(tfp, TF_MODULE_TYPE_TABLE, &tbl_db_ptr);
+ if (rc) {
+ TFP_DRV_LOG(INFO,
+ "No resource allocated for table from session\n");
+ return 0;
+ }
+ tbl_db = (struct tbl_rm_db *)tbl_db_ptr;
+
+
+ /* check if reserved resource for WC is multiple of num_slices */
+ for (d = 0; d < TF_DIR_MAX; d++) {
+ ainfo.rm_db = tbl_db->tbl_db[d];
+ dinfo = tbl[d].info;
+
+ ainfo.info = (struct tf_rm_alloc_info *)dinfo;
+ ainfo.subtype = 0;
+ rc = tf_rm_get_all_info(&ainfo, TF_TBL_TYPE_MAX);
+ if (rc)
+ return rc;
+
+ if (dev->ops->tf_dev_get_tbl_info) {
+ /* Adjust all */
+ for (i = 0; i < TF_TBL_TYPE_MAX; i++) {
+ /* Only get table info if required for the device */
+ rc = dev->ops->tf_dev_get_tbl_info(tfp,
+ tbl_db->tbl_db[d],
+ i,
+ &base,
+ &shift);
+ if (rc) {
+ TFP_DRV_LOG(ERR,
+ "%s: Failed to get table info:%d\n",
+ tf_dir_2_str(d),
+ i);
+ return rc;
+ }
+ if (dinfo[i].stride)
+ TF_TBL_RM_TO_PTR(&dinfo[i].start,
+ dinfo[i].start,
+ base,
+ shift);
+ }
+ }
+ }
+
+
+
+ return 0;
}