Function read_wq_string

dpdk/drivers/dma/idxd/idxd_bus.c:135–161

}

static int
read_wq_string(struct rte_dsa_device *dev, const char *filename,
		char *value, size_t valuelen)
{
	char sysfs_node[PATH_MAX];
	int len;
	int fd;

	snprintf(sysfs_node, sizeof(sysfs_node), "%s/%s/%s",
			dsa_get_sysfs_path(), dev->wq_name, filename);
	fd = open(sysfs_node, O_RDONLY);
	if (fd < 0) {
		IDXD_PMD_ERR("%s(): opening file '%s' failed: %s",
				__func__, sysfs_node, strerror(errno));
		return -1;
	}

	len = read(fd, value, valuelen - 1);
	close(fd);
	if (len < 0) {
		IDXD_PMD_ERR("%s(): error reading file '%s': %s",
				__func__, sysfs_node, strerror(errno));
		return -1;
	}
	value[len] = '\0';
	return 0;
}

static int
read_wq_int(struct rte_dsa_device *dev, const char *filename,