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/*
* Definitions for the NVM Express interface
* Copyright (c) 2011-2014, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#ifndef _NVME_H
#define _NVME_H
#include <dirent.h>
#include <stdbool.h>
#include <stdint.h>
#include <endian.h>
#include "plugin.h"
#include "util/json.h"
#include "util/argconfig.h"
#include "linux/nvme.h"
enum nvme_print_flags {
NORMAL = 0,
VERBOSE = 1 << 0, /* verbosely decode complex values for humans */
JSON = 1 << 1, /* display in json format */
VS = 1 << 2, /* hex dump vendor specific data areas */
BINARY = 1 << 3, /* binary dump raw bytes */
};
struct nvme_subsystem;
struct nvme_ctrl;
struct nvme_namespace {
char *name;
struct nvme_ctrl *ctrl;
unsigned nsid;
struct nvme_id_ns ns;
};
struct nvme_ctrl {
char *name;
struct nvme_subsystem *subsys;
char *address;
char *transport;
char *state;
char *ana_state;
char *traddr;
char *trsvcid;
char *host_traddr;
char *hostnqn;
char *hostid;
struct nvme_id_ctrl id;
int nr_namespaces;
struct nvme_namespace *namespaces;
};
struct nvme_subsystem {
char *name;
char *subsysnqn;
int nr_ctrls;
struct nvme_ctrl *ctrls;
int nr_namespaces;
struct nvme_namespace *namespaces;
};
struct nvme_topology {
int nr_subsystems;
struct nvme_subsystem *subsystems;
};
#define SYS_NVME "/sys/class/nvme"
void register_extension(struct plugin *plugin);
int parse_and_open(int argc, char **argv, const char *desc,
const struct argconfig_commandline_options *clo);
extern const char *devicename;
enum nvme_print_flags validate_output_format(char *format);
int __id_ctrl(int argc, char **argv, struct command *cmd,
struct plugin *plugin, void (*vs)(__u8 *vs, struct json_object *root));
char *nvme_char_from_block(char *block);
void *mmap_registers(const char *dev);
extern int current_index;
int scan_namespace_filter(const struct dirent *d);
int scan_ctrl_paths_filter(const struct dirent *d);
int scan_ctrls_filter(const struct dirent *d);
int scan_subsys_filter(const struct dirent *d);
int scan_dev_filter(const struct dirent *d);
int scan_subsystems(struct nvme_topology *t, const char *subsysnqn,
__u32 ns_instance);
void free_topology(struct nvme_topology *t);
char *get_nvme_subsnqn(char *path);
char *nvme_get_ctrl_attr(char *path, const char *attr);
#endif /* _NVME_H */
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