lsblk: add lsblk.h

* move core struct to the header file
* move debug stuff to the header file

Signed-off-by: Karel Zak <kzak@redhat.com>

1 files changed, 95 insertions, 0 deletions

diff --git a/misc-utils/lsblk.h b/misc-utils/lsblk.h
new file mode 100644
index 000000000..5608c45cf
--- /dev/null
+++ b/misc-utils/lsblk.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2010-2018 Red Hat, Inc. All rights reserved.
+ * Written by Milan Broz <mbroz@redhat.com>
+ *            Karel Zak <kzak@redhat.com>
+ */
+#ifndef UTIL_LINUX_LSBLK_H
+#define UTIL_LINUX_LSBLK_H
+
+#include <stdint.h>
+#include <inttypes.h>
+#include <sys/statvfs.h>
+
+#include <libsmartcols.h>
+
+#include "c.h"
+#include "debug.h"
+
+#define LSBLK_DEBUG_INIT	(1 << 1)
+#define LSBLK_DEBUG_FILTER	(1 << 2)
+#define LSBLK_DEBUG_DEV		(1 << 3)
+#define LSBLK_DEBUG_CXT		(1 << 4)
+#define LSBLK_DEBUG_ALL		0xFFFF
+
+UL_DEBUG_DECLARE_MASK(lsblk);
+#define DBG(m, x)       __UL_DBG(lsblk, LSBLK_DEBUG_, m, x)
+#define ON_DBG(m, x)    __UL_DBG_CALL(lsblk, LSBLK_DEBUG_, m, x)
+
+#define UL_DEBUG_CURRENT_MASK	UL_DEBUG_MASK(lsblk)
+#include "debugobj.h"
+
+struct lsblk {
+	struct libscols_table *table;	/* output table */
+	struct libscols_column *sort_col;/* sort output by this column */
+	int sort_id;
+
+	const char *sysroot;
+	int flags;			/* LSBLK_* */
+
+	unsigned int all_devices:1;	/* print all devices, including empty */
+	unsigned int bytes:1;		/* print SIZE in bytes */
+	unsigned int inverse:1;		/* print inverse dependencies */
+	unsigned int nodeps:1;		/* don't print slaves/holders */
+	unsigned int scsi:1;		/* print only device with HCTL (SCSI) */
+	unsigned int paths:1;		/* print devnames with "/dev" prefix */
+	unsigned int sort_hidden:1;	/* sort column not between output columns */
+	unsigned int force_tree_order:1;/* sort lines by parent->tree relation */
+};
+
+extern struct lsblk *lsblk;     /* global handler */
+
+struct blkdev_cxt {
+	struct blkdev_cxt *parent;
+
+	struct libscols_line *scols_line;
+	struct stat	st;
+
+	char *name;		/* kernel name in /sys/block */
+	char *dm_name;		/* DM name (dm/block) */
+
+	char *filename;		/* path to device node */
+
+	struct path_cxt	*sysfs;
+
+	int partition;		/* is partition? TRUE/FALSE */
+
+	int probed;		/* already probed */
+	char *fstype;		/* detected fs, NULL or "?" if cannot detect */
+	char *uuid;		/* filesystem UUID (or stack uuid) */
+	char *ptuuid;		/* partition table UUID */
+	char *pttype;		/* partition table type */
+	char *label;		/* filesystem label */
+	char *parttype;		/* partition type UUID */
+	char *partuuid;		/* partition UUID */
+	char *partlabel;	/* partition label */
+	char *partflags;	/* partition flags */
+	char *wwn;		/* storage WWN */
+	char *serial;		/* disk serial number */
+	char *model;		/* disk model */
+
+	char *mountpoint;	/* device mountpoint */
+	struct statvfs fsstat;	/* statvfs() result */
+
+	int npartitions;	/* # of partitions this device has */
+	int nholders;		/* # of devices mapped directly to this device
+				 * /sys/block/.../holders */
+	int nslaves;		/* # of devices this device maps to */
+	int maj, min;		/* devno */
+	int discard;		/* supports discard */
+
+	uint64_t size;		/* device size */
+
+	unsigned int	is_mounted : 1;
+};
+
+#endif /* UTIL_LINUX_LSBLK_H */