1 /* SPDX-License-Identifier: BSD-3-Clause
3 * Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
10 #include <sys/types.h>
16 #include <rte_malloc.h>
17 #include <rte_memcpy.h>
18 #include <rte_string_fns.h>
19 #include <rte_cycles.h>
20 #include <rte_kvargs.h>
22 #include <rte_ethdev_driver.h>
23 #include <rte_mbuf_pool_ops.h>
25 #include <fslmc_logs.h>
26 #include <rte_fslmc.h>
27 #include <mc/fsl_dpbp.h>
28 #include "portal/dpaa2_hw_pvt.h"
29 #include "portal/dpaa2_hw_dpio.h"
31 /* List of all the memseg information locally maintained in dpaa2 driver. This
32 * is to optimize the PA_to_VA searches until a better mechanism (algo) is
35 struct dpaa2_memseg_list rte_dpaa2_memsegs
36 = TAILQ_HEAD_INITIALIZER(rte_dpaa2_memsegs);
38 TAILQ_HEAD(dpbp_dev_list, dpaa2_dpbp_dev);
39 static struct dpbp_dev_list dpbp_dev_list
40 = TAILQ_HEAD_INITIALIZER(dpbp_dev_list); /*!< DPBP device list */
43 dpaa2_create_dpbp_device(int vdev_fd __rte_unused,
44 struct vfio_device_info *obj_info __rte_unused,
47 struct dpaa2_dpbp_dev *dpbp_node;
49 static int register_once;
51 /* Allocate DPAA2 dpbp handle */
52 dpbp_node = rte_malloc(NULL, sizeof(struct dpaa2_dpbp_dev), 0);
54 DPAA2_BUS_ERR("Memory allocation failed for DPBP Device");
58 /* Open the dpbp object */
59 dpbp_node->dpbp.regs = rte_mcp_ptr_list[MC_PORTAL_INDEX];
60 ret = dpbp_open(&dpbp_node->dpbp,
61 CMD_PRI_LOW, dpbp_id, &dpbp_node->token);
63 DPAA2_BUS_ERR("Unable to open buffer pool object: err(%d)",
69 /* Clean the device first */
70 ret = dpbp_reset(&dpbp_node->dpbp, CMD_PRI_LOW, dpbp_node->token);
72 DPAA2_BUS_ERR("Unable to reset buffer pool device. err(%d)",
74 dpbp_close(&dpbp_node->dpbp, CMD_PRI_LOW, dpbp_node->token);
79 dpbp_node->dpbp_id = dpbp_id;
80 rte_atomic16_init(&dpbp_node->in_use);
82 TAILQ_INSERT_TAIL(&dpbp_dev_list, dpbp_node, next);
85 rte_mbuf_set_platform_mempool_ops(DPAA2_MEMPOOL_OPS_NAME);
92 struct dpaa2_dpbp_dev *dpaa2_alloc_dpbp_dev(void)
94 struct dpaa2_dpbp_dev *dpbp_dev = NULL;
96 /* Get DPBP dev handle from list using index */
97 TAILQ_FOREACH(dpbp_dev, &dpbp_dev_list, next) {
98 if (dpbp_dev && rte_atomic16_test_and_set(&dpbp_dev->in_use))
105 void dpaa2_free_dpbp_dev(struct dpaa2_dpbp_dev *dpbp)
107 struct dpaa2_dpbp_dev *dpbp_dev = NULL;
109 /* Match DPBP handle and mark it free */
110 TAILQ_FOREACH(dpbp_dev, &dpbp_dev_list, next) {
111 if (dpbp_dev == dpbp) {
112 rte_atomic16_dec(&dpbp_dev->in_use);
118 int dpaa2_dpbp_supported(void)
120 if (TAILQ_EMPTY(&dpbp_dev_list))
125 static struct rte_dpaa2_object rte_dpaa2_dpbp_obj = {
126 .dev_type = DPAA2_BPOOL,
127 .create = dpaa2_create_dpbp_device,
130 RTE_PMD_REGISTER_DPAA2_OBJECT(dpbp, rte_dpaa2_dpbp_obj);