mirror of https://github.com/F-Stack/f-stack.git
131 lines
3.1 KiB
C
131 lines
3.1 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
|
|
*
|
|
* Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
|
|
* Copyright 2016 NXP
|
|
*
|
|
*/
|
|
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
|
|
#include <rte_malloc.h>
|
|
#include <rte_memcpy.h>
|
|
#include <rte_string_fns.h>
|
|
#include <rte_cycles.h>
|
|
#include <rte_kvargs.h>
|
|
#include <rte_dev.h>
|
|
#include <rte_ethdev_driver.h>
|
|
#include <rte_mbuf_pool_ops.h>
|
|
|
|
#include <fslmc_logs.h>
|
|
#include <rte_fslmc.h>
|
|
#include <mc/fsl_dpbp.h>
|
|
#include "portal/dpaa2_hw_pvt.h"
|
|
#include "portal/dpaa2_hw_dpio.h"
|
|
|
|
/* List of all the memseg information locally maintained in dpaa2 driver. This
|
|
* is to optimize the PA_to_VA searches until a better mechanism (algo) is
|
|
* available.
|
|
*/
|
|
struct dpaa2_memseg_list rte_dpaa2_memsegs
|
|
= TAILQ_HEAD_INITIALIZER(rte_dpaa2_memsegs);
|
|
|
|
TAILQ_HEAD(dpbp_dev_list, dpaa2_dpbp_dev);
|
|
static struct dpbp_dev_list dpbp_dev_list
|
|
= TAILQ_HEAD_INITIALIZER(dpbp_dev_list); /*!< DPBP device list */
|
|
|
|
static int
|
|
dpaa2_create_dpbp_device(int vdev_fd __rte_unused,
|
|
struct vfio_device_info *obj_info __rte_unused,
|
|
int dpbp_id)
|
|
{
|
|
struct dpaa2_dpbp_dev *dpbp_node;
|
|
int ret;
|
|
static int register_once;
|
|
|
|
/* Allocate DPAA2 dpbp handle */
|
|
dpbp_node = rte_malloc(NULL, sizeof(struct dpaa2_dpbp_dev), 0);
|
|
if (!dpbp_node) {
|
|
DPAA2_BUS_ERR("Memory allocation failed for DPBP Device");
|
|
return -1;
|
|
}
|
|
|
|
/* Open the dpbp object */
|
|
dpbp_node->dpbp.regs = rte_mcp_ptr_list[MC_PORTAL_INDEX];
|
|
ret = dpbp_open(&dpbp_node->dpbp,
|
|
CMD_PRI_LOW, dpbp_id, &dpbp_node->token);
|
|
if (ret) {
|
|
DPAA2_BUS_ERR("Unable to open buffer pool object: err(%d)",
|
|
ret);
|
|
rte_free(dpbp_node);
|
|
return -1;
|
|
}
|
|
|
|
/* Clean the device first */
|
|
ret = dpbp_reset(&dpbp_node->dpbp, CMD_PRI_LOW, dpbp_node->token);
|
|
if (ret) {
|
|
DPAA2_BUS_ERR("Unable to reset buffer pool device. err(%d)",
|
|
ret);
|
|
dpbp_close(&dpbp_node->dpbp, CMD_PRI_LOW, dpbp_node->token);
|
|
rte_free(dpbp_node);
|
|
return -1;
|
|
}
|
|
|
|
dpbp_node->dpbp_id = dpbp_id;
|
|
rte_atomic16_init(&dpbp_node->in_use);
|
|
|
|
TAILQ_INSERT_TAIL(&dpbp_dev_list, dpbp_node, next);
|
|
|
|
if (!register_once) {
|
|
rte_mbuf_set_platform_mempool_ops(DPAA2_MEMPOOL_OPS_NAME);
|
|
register_once = 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct dpaa2_dpbp_dev *dpaa2_alloc_dpbp_dev(void)
|
|
{
|
|
struct dpaa2_dpbp_dev *dpbp_dev = NULL;
|
|
|
|
/* Get DPBP dev handle from list using index */
|
|
TAILQ_FOREACH(dpbp_dev, &dpbp_dev_list, next) {
|
|
if (dpbp_dev && rte_atomic16_test_and_set(&dpbp_dev->in_use))
|
|
break;
|
|
}
|
|
|
|
return dpbp_dev;
|
|
}
|
|
|
|
void dpaa2_free_dpbp_dev(struct dpaa2_dpbp_dev *dpbp)
|
|
{
|
|
struct dpaa2_dpbp_dev *dpbp_dev = NULL;
|
|
|
|
/* Match DPBP handle and mark it free */
|
|
TAILQ_FOREACH(dpbp_dev, &dpbp_dev_list, next) {
|
|
if (dpbp_dev == dpbp) {
|
|
rte_atomic16_dec(&dpbp_dev->in_use);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
int dpaa2_dpbp_supported(void)
|
|
{
|
|
if (TAILQ_EMPTY(&dpbp_dev_list))
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
static struct rte_dpaa2_object rte_dpaa2_dpbp_obj = {
|
|
.dev_type = DPAA2_BPOOL,
|
|
.create = dpaa2_create_dpbp_device,
|
|
};
|
|
|
|
RTE_PMD_REGISTER_DPAA2_OBJECT(dpbp, rte_dpaa2_dpbp_obj);
|