Adding upstream version 2.4+really2.3.upstream/2.4+really2.3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 125 insertions, 0 deletions

diff --git a/nvme.h b/nvme.h
new file mode 100644
index 0000000..1938afb
--- /dev/null
+++ b/nvme.h
@@ -0,0 +1,125 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * 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 <stdio.h>
+#include <endian.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+
+#include <libnvme-mi.h>
+
+#include "plugin.h"
+#include "util/json.h"
+#include "util/argconfig.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 */
+};
+
+enum nvme_cli_topo_ranking {
+	NVME_CLI_TOPO_NAMESPACE,
+	NVME_CLI_TOPO_CTRL,
+};
+
+#define SYS_NVME "/sys/class/nvme"
+
+enum nvme_dev_type {
+	NVME_DEV_DIRECT,
+	NVME_DEV_MI,
+};
+
+struct nvme_dev {
+	enum nvme_dev_type type;
+	union {
+		struct {
+			int fd;
+			struct stat stat;
+		} direct;
+		struct {
+			nvme_root_t root;
+			nvme_mi_ep_t ep;
+			nvme_mi_ctrl_t ctrl;
+		} mi;
+	};
+
+	const char *name;
+};
+
+#define dev_fd(d) __dev_fd(d, __func__, __LINE__)
+
+static inline int __dev_fd(struct nvme_dev *dev, const char *func, int line)
+{
+	if (dev->type != NVME_DEV_DIRECT) {
+		fprintf(stderr,
+			"warning: %s:%d not a direct transport!\n",
+			func, line);
+		return -1;
+	}
+	return dev->direct.fd;
+}
+
+static inline nvme_mi_ep_t dev_mi_ep(struct nvme_dev *dev)
+{
+	if (dev->type != NVME_DEV_MI) {
+		fprintf(stderr,
+			"warning: not a MI transport!\n");
+		return NULL;
+	}
+	return dev->mi.ep;
+}
+
+void register_extension(struct plugin *plugin);
+
+/*
+ * parse_and_open - parses arguments and opens the NVMe device, populating @dev
+ */
+int parse_and_open(struct nvme_dev **dev, int argc, char **argv, const char *desc,
+	const struct argconfig_commandline_options *clo);
+
+void dev_close(struct nvme_dev *dev);
+
+extern const char *output_format;
+
+enum nvme_print_flags validate_output_format(const char *format);
+int __id_ctrl(int argc, char **argv, struct command *cmd,
+	struct plugin *plugin, void (*vs)(uint8_t *vs, struct json_object *root));
+
+extern int current_index;
+void *nvme_alloc(size_t len, bool *huge);
+void nvme_free(void *p, bool huge);
+const char *nvme_strerror(int errnum);
+
+unsigned long long elapsed_utime(struct timeval start_time,
+					struct timeval end_time);
+
+/* nvme-print.c */
+const char *nvme_select_to_string(int sel);
+
+void d(unsigned char *buf, int len, int width, int group);
+void d_raw(unsigned char *buf, unsigned len);
+uint64_t int48_to_long(uint8_t *data);
+
+int map_log_level(int verbose, bool quiet);
+#endif /* _NVME_H */