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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2017-2018 Intel Corporation
*/
#include <stdlib.h>
#include <eal_export.h>
#include <rte_string_fns.h>
#include <rte_malloc.h>
#include <rte_kvargs.h>
#include <dev_driver.h>
#include <rte_eal.h>
#include "rte_compressdev_internal.h"
#include "rte_compressdev_pmd.h"
/**
* Parse name from argument
*/
static int
rte_compressdev_pmd_parse_name_arg(const char *key __rte_unused,
const char *value, void *extra_args)
{
struct rte_compressdev_pmd_init_params *params = extra_args;
int n;
if (value == NULL || extra_args == NULL)
return -EINVAL;
n = strlcpy(params->name, value, RTE_COMPRESSDEV_NAME_MAX_LEN);
if (n >= RTE_COMPRESSDEV_NAME_MAX_LEN)
return -EINVAL;
return 0;
}
/**
* Parse unsigned integer from argument
*/
static int
rte_compressdev_pmd_parse_uint_arg(const char *key __rte_unused,
const char *value, void *extra_args)
{
int i;
char *end;
if (value == NULL || extra_args == NULL)
return -EINVAL;
errno = 0;
i = strtol(value, &end, 10);
if (*end != 0 || errno != 0 || i < 0)
return -EINVAL;
*((uint32_t *)extra_args) = i;
return 0;
}
RTE_EXPORT_SYMBOL(rte_compressdev_pmd_parse_input_args)
int
rte_compressdev_pmd_parse_input_args(
struct rte_compressdev_pmd_init_params *params,
const char *args)
{
struct rte_kvargs *kvlist = NULL;
int ret = 0;
if (params == NULL)
return -EINVAL;
if (args) {
kvlist = rte_kvargs_parse(args, compressdev_pmd_valid_params);
if (kvlist == NULL)
return -EINVAL;
ret = rte_kvargs_process(kvlist,
RTE_COMPRESSDEV_PMD_SOCKET_ID_ARG,
&rte_compressdev_pmd_parse_uint_arg,
¶ms->socket_id);
if (ret < 0)
goto free_kvlist;
ret = rte_kvargs_process(kvlist,
RTE_COMPRESSDEV_PMD_NAME_ARG,
&rte_compressdev_pmd_parse_name_arg,
params);
if (ret < 0)
goto free_kvlist;
}
free_kvlist:
rte_kvargs_free(kvlist);
return ret;
}
RTE_EXPORT_SYMBOL(rte_compressdev_pmd_create)
struct rte_compressdev *
rte_compressdev_pmd_create(const char *name,
struct rte_device *device,
size_t private_data_size,
struct rte_compressdev_pmd_init_params *params)
{
struct rte_compressdev *compressdev;
if (params->name[0] != '\0') {
COMPRESSDEV_LOG(INFO, "User specified device name = %s",
params->name);
name = params->name;
}
COMPRESSDEV_LOG(INFO, "Creating compressdev %s", name);
COMPRESSDEV_LOG(INFO, "Init parameters - name: %s, socket id: %d",
name, params->socket_id);
/* allocate device structure */
compressdev = rte_compressdev_pmd_allocate(name, params->socket_id);
if (compressdev == NULL) {
COMPRESSDEV_LOG(ERR, "Failed to allocate comp device %s", name);
return NULL;
}
/* allocate private device structure */
if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
compressdev->data->dev_private =
rte_zmalloc_socket("compressdev device private",
private_data_size,
RTE_CACHE_LINE_SIZE,
params->socket_id);
if (compressdev->data->dev_private == NULL) {
COMPRESSDEV_LOG(ERR,
"Cannot allocate memory for compressdev"
" %s private data", name);
rte_compressdev_pmd_release_device(compressdev);
return NULL;
}
}
compressdev->device = device;
return compressdev;
}
RTE_EXPORT_SYMBOL(rte_compressdev_pmd_destroy)
int
rte_compressdev_pmd_destroy(struct rte_compressdev *compressdev)
{
int retval;
COMPRESSDEV_LOG(INFO, "Closing comp device %s",
compressdev->device->name);
/* free comp device */
retval = rte_compressdev_pmd_release_device(compressdev);
if (retval)
return retval;
if (rte_eal_process_type() == RTE_PROC_PRIMARY)
rte_free(compressdev->data->dev_private);
compressdev->device = NULL;
compressdev->data = NULL;
return 0;
}
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