10f1614f36
Initially, DPAA2 objects (except ETH and CRYPTO) were defined from VFIO layer. This patch moves that into Bus definition. This patch also realigns the object types with the new device types. Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com> Reviewed-by: Santosh Shukla <santosh.shukla@caviumnetworks.com> Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
138 lines
4.1 KiB
C
138 lines
4.1 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
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* Copyright 2016 NXP.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Freescale Semiconductor, Inc nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <unistd.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <string.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <rte_malloc.h>
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#include <rte_memcpy.h>
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#include <rte_string_fns.h>
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#include <rte_cycles.h>
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#include <rte_kvargs.h>
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#include <rte_dev.h>
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#include <rte_ethdev.h>
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#include <fslmc_logs.h>
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#include <rte_fslmc.h>
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#include <mc/fsl_dpbp.h>
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#include "portal/dpaa2_hw_pvt.h"
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#include "portal/dpaa2_hw_dpio.h"
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TAILQ_HEAD(dpbp_dev_list, dpaa2_dpbp_dev);
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static struct dpbp_dev_list dpbp_dev_list
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= TAILQ_HEAD_INITIALIZER(dpbp_dev_list); /*!< DPBP device list */
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static int
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dpaa2_create_dpbp_device(int vdev_fd __rte_unused,
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struct vfio_device_info *obj_info __rte_unused,
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int dpbp_id)
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{
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struct dpaa2_dpbp_dev *dpbp_node;
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int ret;
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/* Allocate DPAA2 dpbp handle */
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dpbp_node = rte_malloc(NULL, sizeof(struct dpaa2_dpbp_dev), 0);
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if (!dpbp_node) {
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PMD_INIT_LOG(ERR, "Memory allocation failed for DPBP Device");
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return -1;
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}
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/* Open the dpbp object */
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dpbp_node->dpbp.regs = rte_mcp_ptr_list[MC_PORTAL_INDEX];
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ret = dpbp_open(&dpbp_node->dpbp,
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CMD_PRI_LOW, dpbp_id, &dpbp_node->token);
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if (ret) {
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PMD_INIT_LOG(ERR, "Resource alloc failure with err code: %d",
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ret);
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rte_free(dpbp_node);
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return -1;
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}
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/* Clean the device first */
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ret = dpbp_reset(&dpbp_node->dpbp, CMD_PRI_LOW, dpbp_node->token);
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if (ret) {
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PMD_INIT_LOG(ERR, "Failure cleaning dpbp device with"
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" error code %d\n", ret);
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dpbp_close(&dpbp_node->dpbp, CMD_PRI_LOW, dpbp_node->token);
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rte_free(dpbp_node);
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return -1;
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}
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dpbp_node->dpbp_id = dpbp_id;
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rte_atomic16_init(&dpbp_node->in_use);
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TAILQ_INSERT_TAIL(&dpbp_dev_list, dpbp_node, next);
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PMD_INIT_LOG(DEBUG, "DPAA2: Added [dpbp.%d]", dpbp_id);
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return 0;
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}
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struct dpaa2_dpbp_dev *dpaa2_alloc_dpbp_dev(void)
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{
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struct dpaa2_dpbp_dev *dpbp_dev = NULL;
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/* Get DPBP dev handle from list using index */
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TAILQ_FOREACH(dpbp_dev, &dpbp_dev_list, next) {
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if (dpbp_dev && rte_atomic16_test_and_set(&dpbp_dev->in_use))
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break;
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}
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return dpbp_dev;
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}
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void dpaa2_free_dpbp_dev(struct dpaa2_dpbp_dev *dpbp)
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{
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struct dpaa2_dpbp_dev *dpbp_dev = NULL;
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/* Match DPBP handle and mark it free */
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TAILQ_FOREACH(dpbp_dev, &dpbp_dev_list, next) {
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if (dpbp_dev == dpbp) {
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rte_atomic16_dec(&dpbp_dev->in_use);
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return;
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}
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}
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}
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static struct rte_dpaa2_object rte_dpaa2_dpbp_obj = {
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.dev_type = DPAA2_BPOOL,
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.create = dpaa2_create_dpbp_device,
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};
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RTE_PMD_REGISTER_DPAA2_OBJECT(dpbp, rte_dpaa2_dpbp_obj);
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