1 files changed, 355 insertions, 0 deletions
diff --git a/src/spdk/dpdk/lib/librte_cfgfile/rte_cfgfile.h b/src/spdk/dpdk/lib/librte_cfgfile/rte_cfgfile.h
new file mode 100644
index 000000000..b2030fa66
--- /dev/null
+++ b/src/spdk/dpdk/lib/librte_cfgfile/rte_cfgfile.h
@@ -0,0 +1,355 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
+ */
+
+#ifndef __INCLUDE_RTE_CFGFILE_H__
+#define __INCLUDE_RTE_CFGFILE_H__
+
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+* @file
+* RTE Configuration File
+*
+* This library allows reading application defined parameters from standard
+* format configuration file.
+*
+***/
+
+#ifndef CFG_NAME_LEN
+#define CFG_NAME_LEN 64
+#endif
+
+#ifndef CFG_VALUE_LEN
+#define CFG_VALUE_LEN 256
+#endif
+
+/** Configuration file */
+struct rte_cfgfile;
+
+/** Configuration file entry */
+struct rte_cfgfile_entry {
+	char name[CFG_NAME_LEN]; /**< Name */
+	char value[CFG_VALUE_LEN]; /**< Value */
+};
+
+/** Configuration file operation optional arguments */
+struct rte_cfgfile_parameters {
+	/** Config file comment character; one of '!', '#', '%', ';', '@' */
+	char comment_character;
+};
+
+/**@{ cfgfile load operation flags */
+enum {
+	/**
+	 * Indicates that the file supports key value entries before the first
+	 * defined section.  These entries can be accessed in the "GLOBAL"
+	 * section.
+	 */
+	CFG_FLAG_GLOBAL_SECTION = 1,
+
+	/**
+	 * Indicates that file supports key value entries where the value can
+	 * be zero length (e.g., "key=").
+	 */
+	CFG_FLAG_EMPTY_VALUES = 2,
+};
+/**@} */
+
+/** Defines the default comment character used for parsing config files. */
+#define CFG_DEFAULT_COMMENT_CHARACTER ';'
+
+/**
+* Open config file
+*
+* @param filename
+*   Config file name
+* @param flags
+*   Config file flags
+* @return
+*   Handle to configuration file on success, NULL otherwise
+*/
+struct rte_cfgfile *rte_cfgfile_load(const char *filename, int flags);
+
+/**
+ * Open config file with specified optional parameters.
+ *
+ * @param filename
+ *   Config file name
+ * @param flags
+ *   Config file flags
+ * @param params
+ *   Additional configuration attributes.  Must be configured with desired
+ *   values prior to invoking this API.
+ * @return
+ *   Handle to configuration file on success, NULL otherwise
+ */
+struct rte_cfgfile *rte_cfgfile_load_with_params(const char *filename,
+	int flags, const struct rte_cfgfile_parameters *params);
+
+/**
+ * Create new cfgfile instance with empty sections and entries
+ *
+ * @param flags
+ *   - CFG_FLAG_GLOBAL_SECTION
+ *     Indicates that the file supports key value entries before the first
+ *     defined section.  These entries can be accessed in the "GLOBAL"
+ *     section.
+ *   - CFG_FLAG_EMPTY_VALUES
+ *     Indicates that file supports key value entries where the value can
+ *     be zero length (e.g., "key=").
+ * @return
+ *   Handle to cfgfile instance on success, NULL otherwise
+ */
+struct rte_cfgfile *rte_cfgfile_create(int flags);
+
+/**
+ * Add section in cfgfile instance.
+ *
+ * @param cfg
+ *   Pointer to the cfgfile structure.
+ * @param sectionname
+ *   Section name which will be add to cfgfile.
+ * @return
+ *   0 on success, -ENOMEM if can't add section
+ */
+int
+rte_cfgfile_add_section(struct rte_cfgfile *cfg, const char *sectionname);
+
+/**
+ * Add entry to specified section in cfgfile instance.
+ *
+ * @param cfg
+ *   Pointer to the cfgfile structure.
+ * @param sectionname
+ *   Given section name to add an entry.
+ * @param entryname
+ *   Entry name to add.
+ * @param entryvalue
+ *   Entry value to add.
+ * @return
+ *   0 on success, -EEXIST if entry already exist, -EINVAL if bad argument
+ */
+int rte_cfgfile_add_entry(struct rte_cfgfile *cfg,
+		const char *sectionname, const char *entryname,
+		const char *entryvalue);
+
+/**
+ * Update value of specified entry name in given section in config file
+ *
+ * @param cfg
+ *   Config file
+ * @param sectionname
+ *   Section name
+ * @param entryname
+ *   Entry name to look for the value change
+ * @param entryvalue
+ *   New entry value. Can be also an empty string if CFG_FLAG_EMPTY_VALUES = 1
+ * @return
+ *   0 on success, -EINVAL if bad argument
+ */
+int rte_cfgfile_set_entry(struct rte_cfgfile *cfg, const char *sectionname,
+		const char *entryname, const char *entryvalue);
+
+/**
+ * Save object cfgfile to file on disc
+ *
+ * @param cfg
+ *   Config file structure
+ * @param filename
+ *   File name to save data
+ * @return
+ *   0 on success, errno otherwise
+ */
+int rte_cfgfile_save(struct rte_cfgfile *cfg, const char *filename);
+
+/**
+* Get number of sections in config file
+*
+* @param cfg
+*   Config file
+* @param sec_name
+*   Section name
+* @param length
+*   Maximum section name length
+* @return
+*   Number of sections
+*/
+int rte_cfgfile_num_sections(struct rte_cfgfile *cfg, const char *sec_name,
+	size_t length);
+
+/**
+* Get name of all config file sections.
+*
+* Fills in the array sections with the name of all the sections in the file
+* (up to the number of max_sections sections).
+*
+* @param cfg
+*   Config file
+* @param sections
+*   Array containing section names after successful invocation. Each element
+*   of this array should be preallocated by the user with at least
+*   CFG_NAME_LEN characters.
+* @param max_sections
+*   Maximum number of section names to be stored in sections array
+* @return
+*   Number of populated sections names
+*/
+int rte_cfgfile_sections(struct rte_cfgfile *cfg, char *sections[],
+	int max_sections);
+
+/**
+* Check if given section exists in config file
+*
+* @param cfg
+*   Config file
+* @param sectionname
+*   Section name
+* @return
+*   TRUE (value different than 0) if section exists, FALSE (value 0) otherwise
+*/
+int rte_cfgfile_has_section(struct rte_cfgfile *cfg, const char *sectionname);
+
+/**
+* Get number of entries in given config file section
+*
+* If multiple sections have the given name this function operates on the
+* first one.
+*
+* @param cfg
+*   Config file
+* @param sectionname
+*   Section name
+* @return
+*   Number of entries in section on success, -1 otherwise
+*/
+int rte_cfgfile_section_num_entries(struct rte_cfgfile *cfg,
+	const char *sectionname);
+
+/**
+* Get number of entries in given config file section
+*
+* The index of a section is the same as the index of its name in the
+* result of rte_cfgfile_sections. This API can be used when there are
+* multiple sections with the same name.
+*
+* @param cfg
+*   Config file
+* @param sectionname
+*   Section name
+* @param index
+*   Section index
+* @return
+*   Number of entries in section on success, -1 otherwise
+*/
+int rte_cfgfile_section_num_entries_by_index(struct rte_cfgfile *cfg,
+	char *sectionname,
+	int index);
+
+/**
+* Get section entries as key-value pairs
+*
+* If multiple sections have the given name this function operates on the
+* first one.
+*
+* @param cfg
+*   Config file
+* @param sectionname
+*   Section name
+* @param entries
+*   Pre-allocated array of at least max_entries entries where the section
+*   entries are stored as key-value pair after successful invocation
+* @param max_entries
+*   Maximum number of section entries to be stored in entries array
+* @return
+*   Number of entries populated on success, -1 otherwise
+*/
+int rte_cfgfile_section_entries(struct rte_cfgfile *cfg,
+	const char *sectionname,
+	struct rte_cfgfile_entry *entries,
+	int max_entries);
+
+/**
+* Get section entries as key-value pairs
+*
+* The index of a section is the same as the index of its name in the
+* result of rte_cfgfile_sections. This API can be used when there are
+* multiple sections with the same name.
+*
+* @param cfg
+*   Config file
+* @param index
+*   Section index
+* @param sectionname
+*   Pre-allocated string of at least CFG_NAME_LEN characters where the
+*   section name is stored after successful invocation.
+* @param entries
+*   Pre-allocated array of at least max_entries entries where the section
+*   entries are stored as key-value pair after successful invocation
+* @param max_entries
+*   Maximum number of section entries to be stored in entries array
+* @return
+*   Number of entries populated on success, -1 otherwise
+*/
+int rte_cfgfile_section_entries_by_index(struct rte_cfgfile *cfg,
+	int index,
+	char *sectionname,
+	struct rte_cfgfile_entry *entries,
+	int max_entries);
+
+/**
+* Get value of the named entry in named config file section
+*
+* If multiple sections have the given name this function operates on the
+* first one.
+*
+* @param cfg
+*   Config file
+* @param sectionname
+*   Section name
+* @param entryname
+*   Entry name
+* @return
+*   Entry value on success, NULL otherwise
+*/
+const char *rte_cfgfile_get_entry(struct rte_cfgfile *cfg,
+	const char *sectionname,
+	const char *entryname);
+
+/**
+* Check if given entry exists in named config file section
+*
+* If multiple sections have the given name this function operates on the
+* first one.
+*
+* @param cfg
+*   Config file
+* @param sectionname
+*   Section name
+* @param entryname
+*   Entry name
+* @return
+*   TRUE (value different than 0) if entry exists, FALSE (value 0) otherwise
+*/
+int rte_cfgfile_has_entry(struct rte_cfgfile *cfg, const char *sectionname,
+	const char *entryname);
+
+/**
+* Close config file
+*
+* @param cfg
+*   Config file
+* @return
+*   0 on success, -1 otherwise
+*/
+int rte_cfgfile_close(struct rte_cfgfile *cfg);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif