[thirdparty/xfsprogs-dev.git] / libfrog / fsgeom.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
 */
#include "platform_defs.h"
#include "xfs.h"
#include "bitops.h"
#include "fsgeom.h"
#include "util.h"

void
xfs_report_geom(
	struct xfs_fsop_geom	*geo,
	const char		*mntpoint,
	const char		*logname,
	const char		*rtname)
{
	int			isint;
	int			lazycount;
	int			dirversion;
	int			logversion;
	int			attrversion;
	int			projid32bit;
	int			crcs_enabled;
	int			cimode;
	int			ftype_enabled;
	int			finobt_enabled;
	int			spinodes;
	int			rmapbt_enabled;
	int			reflink_enabled;
	int			bigtime_enabled;
	int			inobtcount;
	int			nrext64;

	isint = geo->logstart > 0;
	lazycount = geo->flags & XFS_FSOP_GEOM_FLAGS_LAZYSB ? 1 : 0;
	dirversion = geo->flags & XFS_FSOP_GEOM_FLAGS_DIRV2 ? 2 : 1;
	logversion = geo->flags & XFS_FSOP_GEOM_FLAGS_LOGV2 ? 2 : 1;
	attrversion = geo->flags & XFS_FSOP_GEOM_FLAGS_ATTR2 ? 2 : \
			(geo->flags & XFS_FSOP_GEOM_FLAGS_ATTR ? 1 : 0);
	cimode = geo->flags & XFS_FSOP_GEOM_FLAGS_DIRV2CI ? 1 : 0;
	projid32bit = geo->flags & XFS_FSOP_GEOM_FLAGS_PROJID32 ? 1 : 0;
	crcs_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_V5SB ? 1 : 0;
	ftype_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_FTYPE ? 1 : 0;
	finobt_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_FINOBT ? 1 : 0;
	spinodes = geo->flags & XFS_FSOP_GEOM_FLAGS_SPINODES ? 1 : 0;
	rmapbt_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_RMAPBT ? 1 : 0;
	reflink_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_REFLINK ? 1 : 0;
	bigtime_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_BIGTIME ? 1 : 0;
	inobtcount = geo->flags & XFS_FSOP_GEOM_FLAGS_INOBTCNT ? 1 : 0;
	nrext64 = geo->flags & XFS_FSOP_GEOM_FLAGS_NREXT64 ? 1 : 0;

	printf(_(
"meta-data=%-22s isize=%-6d agcount=%u, agsize=%u blks\n"
"         =%-22s sectsz=%-5u attr=%u, projid32bit=%u\n"
"         =%-22s crc=%-8u finobt=%u, sparse=%u, rmapbt=%u\n"
"         =%-22s reflink=%-4u bigtime=%u inobtcount=%u nrext64=%u\n"
"data     =%-22s bsize=%-6u blocks=%llu, imaxpct=%u\n"
"         =%-22s sunit=%-6u swidth=%u blks\n"
"naming   =version %-14u bsize=%-6u ascii-ci=%d, ftype=%d\n"
"log      =%-22s bsize=%-6d blocks=%u, version=%d\n"
"         =%-22s sectsz=%-5u sunit=%d blks, lazy-count=%d\n"
"realtime =%-22s extsz=%-6d blocks=%lld, rtextents=%lld\n"),
		mntpoint, geo->inodesize, geo->agcount, geo->agblocks,
		"", geo->sectsize, attrversion, projid32bit,
		"", crcs_enabled, finobt_enabled, spinodes, rmapbt_enabled,
		"", reflink_enabled, bigtime_enabled, inobtcount, nrext64,
		"", geo->blocksize, (unsigned long long)geo->datablocks,
			geo->imaxpct,
		"", geo->sunit, geo->swidth,
		dirversion, geo->dirblocksize, cimode, ftype_enabled,
		isint ? _("internal log") : logname ? logname : _("external"),
			geo->blocksize, geo->logblocks, logversion,
		"", geo->logsectsize, geo->logsunit / geo->blocksize, lazycount,
		!geo->rtblocks ? _("none") : rtname ? rtname : _("external"),
		geo->rtextsize * geo->blocksize, (unsigned long long)geo->rtblocks,
			(unsigned long long)geo->rtextents);
}

/* Try to obtain the xfs geometry.  On error returns a negative error code. */
int
xfrog_geometry(
	int			fd,
	struct xfs_fsop_geom	*fsgeo)
{
	int			ret;

	memset(fsgeo, 0, sizeof(*fsgeo));

	ret = ioctl(fd, XFS_IOC_FSGEOMETRY, fsgeo);
	if (!ret)
		return 0;

	ret = ioctl(fd, XFS_IOC_FSGEOMETRY_V4, fsgeo);
	if (!ret)
		return 0;

	ret = ioctl(fd, XFS_IOC_FSGEOMETRY_V1, fsgeo);
	if (!ret)
		return 0;

	return -errno;
}

/*
 * Prepare xfs_fd structure for future ioctl operations by computing the xfs
 * geometry for @xfd->fd.  Returns zero or a negative error code.
 */
int
xfd_prepare_geometry(
	struct xfs_fd		*xfd)
{
	int			ret;

	ret = xfrog_geometry(xfd->fd, &xfd->fsgeom);
	if (ret)
		return ret;

	xfd->agblklog = log2_roundup(xfd->fsgeom.agblocks);
	xfd->blocklog = highbit32(xfd->fsgeom.blocksize);
	xfd->inodelog = highbit32(xfd->fsgeom.inodesize);
	xfd->inopblog = xfd->blocklog - xfd->inodelog;
	xfd->aginolog = xfd->agblklog + xfd->inopblog;
	xfd->blkbb_log = xfd->blocklog - BBSHIFT;
	return 0;
}

/* Open a file on an XFS filesystem.  Returns zero or a negative error code. */
int
xfd_open(
	struct xfs_fd		*xfd,
	const char		*pathname,
	int			flags)
{
	int			ret;

	xfd->fd = open(pathname, flags);
	if (xfd->fd < 0)
		return -errno;

	ret = xfd_prepare_geometry(xfd);
	if (ret) {
		xfd_close(xfd);
		return ret;
	}

	return 0;
}

/*
 * Release any resources associated with this xfs_fd structure.  Returns zero
 * or a negative error code.
 */
int
xfd_close(
	struct xfs_fd		*xfd)
{
	int			ret = 0;

	if (xfd->fd < 0)
		return 0;

	ret = close(xfd->fd);
	xfd->fd = -1;
	if (ret < 0)
		return -errno;

	return 0;
}

/* Try to obtain an AG's geometry.  Returns zero or a negative error code. */
int
xfrog_ag_geometry(
	int			fd,
	unsigned int		agno,
	struct xfs_ag_geometry	*ageo)
{
	int			ret;

	ageo->ag_number = agno;
	ret = ioctl(fd, XFS_IOC_AG_GEOMETRY, ageo);
	if (ret)
		return -errno;
	return 0;
}
Commit	Line	Data
959ef981	1	// SPDX-License-Identifier: GPL-2.0
96aaf9bc	2	/*
959ef981	3	* Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
96aaf9bc	4	*/
33c692a2 DW	5	#include "platform_defs.h"
	6	#include "xfs.h"
	7	#include "bitops.h"
96aaf9bc	8	#include "fsgeom.h"
660b5d96	9	#include "util.h"
96aaf9bc DW	10
	11	void
	12	xfs_report_geom(
	13	struct xfs_fsop_geom *geo,
	14	const char *mntpoint,
	15	const char *logname,
	16	const char *rtname)
	17	{
	18	int isint;
	19	int lazycount;
	20	int dirversion;
	21	int logversion;
	22	int attrversion;
	23	int projid32bit;
	24	int crcs_enabled;
	25	int cimode;
	26	int ftype_enabled;
	27	int finobt_enabled;
	28	int spinodes;
	29	int rmapbt_enabled;
	30	int reflink_enabled;
0160c149	31	int bigtime_enabled;
dcad5c60	32	int inobtcount;
7666cef4	33	int nrext64;
96aaf9bc DW	34
	35	isint = geo->logstart > 0;
	36	lazycount = geo->flags & XFS_FSOP_GEOM_FLAGS_LAZYSB ? 1 : 0;
	37	dirversion = geo->flags & XFS_FSOP_GEOM_FLAGS_DIRV2 ? 2 : 1;
	38	logversion = geo->flags & XFS_FSOP_GEOM_FLAGS_LOGV2 ? 2 : 1;
	39	attrversion = geo->flags & XFS_FSOP_GEOM_FLAGS_ATTR2 ? 2 : \
	40	(geo->flags & XFS_FSOP_GEOM_FLAGS_ATTR ? 1 : 0);
	41	cimode = geo->flags & XFS_FSOP_GEOM_FLAGS_DIRV2CI ? 1 : 0;
	42	projid32bit = geo->flags & XFS_FSOP_GEOM_FLAGS_PROJID32 ? 1 : 0;
	43	crcs_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_V5SB ? 1 : 0;
	44	ftype_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_FTYPE ? 1 : 0;
	45	finobt_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_FINOBT ? 1 : 0;
	46	spinodes = geo->flags & XFS_FSOP_GEOM_FLAGS_SPINODES ? 1 : 0;
	47	rmapbt_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_RMAPBT ? 1 : 0;
	48	reflink_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_REFLINK ? 1 : 0;
0160c149	49	bigtime_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_BIGTIME ? 1 : 0;
dcad5c60	50	inobtcount = geo->flags & XFS_FSOP_GEOM_FLAGS_INOBTCNT ? 1 : 0;
7666cef4	51	nrext64 = geo->flags & XFS_FSOP_GEOM_FLAGS_NREXT64 ? 1 : 0;
96aaf9bc DW	52
	53	printf(_(
	54	"meta-data=%-22s isize=%-6d agcount=%u, agsize=%u blks\n"
	55	" =%-22s sectsz=%-5u attr=%u, projid32bit=%u\n"
	56	" =%-22s crc=%-8u finobt=%u, sparse=%u, rmapbt=%u\n"
7666cef4	57	" =%-22s reflink=%-4u bigtime=%u inobtcount=%u nrext64=%u\n"
96aaf9bc DW	58	"data =%-22s bsize=%-6u blocks=%llu, imaxpct=%u\n"
	59	" =%-22s sunit=%-6u swidth=%u blks\n"
	60	"naming =version %-14u bsize=%-6u ascii-ci=%d, ftype=%d\n"
	61	"log =%-22s bsize=%-6d blocks=%u, version=%d\n"
	62	" =%-22s sectsz=%-5u sunit=%d blks, lazy-count=%d\n"
	63	"realtime =%-22s extsz=%-6d blocks=%lld, rtextents=%lld\n"),
	64	mntpoint, geo->inodesize, geo->agcount, geo->agblocks,
	65	"", geo->sectsize, attrversion, projid32bit,
	66	"", crcs_enabled, finobt_enabled, spinodes, rmapbt_enabled,
7666cef4	67	"", reflink_enabled, bigtime_enabled, inobtcount, nrext64,
96aaf9bc DW	68	"", geo->blocksize, (unsigned long long)geo->datablocks,
	69	geo->imaxpct,
	70	"", geo->sunit, geo->swidth,
	71	dirversion, geo->dirblocksize, cimode, ftype_enabled,
	72	isint ? _("internal log") : logname ? logname : _("external"),
	73	geo->blocksize, geo->logblocks, logversion,
	74	"", geo->logsectsize, geo->logsunit / geo->blocksize, lazycount,
	75	!geo->rtblocks ? _("none") : rtname ? rtname : _("external"),
	76	geo->rtextsize * geo->blocksize, (unsigned long long)geo->rtblocks,
	77	(unsigned long long)geo->rtextents);
	78	}
9612817d	79
03d96c64	80	/* Try to obtain the xfs geometry. On error returns a negative error code. */
9612817d DW	81	int
	82	xfrog_geometry(
	83	int fd,
	84	struct xfs_fsop_geom *fsgeo)
	85	{
	86	int ret;
	87
	88	memset(fsgeo, 0, sizeof(*fsgeo));
	89
	90	ret = ioctl(fd, XFS_IOC_FSGEOMETRY, fsgeo);
	91	if (!ret)
	92	return 0;
	93
	94	ret = ioctl(fd, XFS_IOC_FSGEOMETRY_V4, fsgeo);
	95	if (!ret)
	96	return 0;
	97
	98	ret = ioctl(fd, XFS_IOC_FSGEOMETRY_V1, fsgeo);
	99	if (!ret)
	100	return 0;
	101
03d96c64	102	return -errno;
9612817d	103	}
3f9efb2e DW	104
	105	/*
	106	* Prepare xfs_fd structure for future ioctl operations by computing the xfs
03d96c64	107	* geometry for @xfd->fd. Returns zero or a negative error code.
3f9efb2e DW	108	*/
	109	int
	110	xfd_prepare_geometry(
	111	struct xfs_fd *xfd)
	112	{
5b5c7336 DW	113	int ret;
	114
	115	ret = xfrog_geometry(xfd->fd, &xfd->fsgeom);
	116	if (ret)
	117	return ret;
	118
	119	xfd->agblklog = log2_roundup(xfd->fsgeom.agblocks);
	120	xfd->blocklog = highbit32(xfd->fsgeom.blocksize);
	121	xfd->inodelog = highbit32(xfd->fsgeom.inodesize);
	122	xfd->inopblog = xfd->blocklog - xfd->inodelog;
a749451c	123	xfd->aginolog = xfd->agblklog + xfd->inopblog;
b3803ff1	124	xfd->blkbb_log = xfd->blocklog - BBSHIFT;
5b5c7336	125	return 0;
3f9efb2e DW	126	}
3f9efb2e DW	127
03d96c64	128	/* Open a file on an XFS filesystem. Returns zero or a negative error code. */
248af7cb DW	129	int
	130	xfd_open(
	131	struct xfs_fd *xfd,
	132	const char *pathname,
	133	int flags)
	134	{
	135	int ret;
	136
	137	xfd->fd = open(pathname, flags);
	138	if (xfd->fd < 0)
03d96c64	139	return -errno;
248af7cb DW	140
	141	ret = xfd_prepare_geometry(xfd);
	142	if (ret) {
	143	xfd_close(xfd);
	144	return ret;
	145	}
	146
	147	return 0;
	148	}
	149
3f9efb2e DW	150	/*
3f9efb2e DW	151	* Release any resources associated with this xfs_fd structure. Returns zero
03d96c64	152	* or a negative error code.
3f9efb2e DW	153	*/
	154	int
	155	xfd_close(
	156	struct xfs_fd *xfd)
	157	{
	158	int ret = 0;
	159
	160	if (xfd->fd < 0)
	161	return 0;
	162
	163	ret = close(xfd->fd);
	164	xfd->fd = -1;
	165	if (ret < 0)
03d96c64	166	return -errno;
3f9efb2e DW	167
	168	return 0;
	169	}
bb85ae74	170
03d96c64	171	/* Try to obtain an AG's geometry. Returns zero or a negative error code. */
bb85ae74 DW	172	int
	173	xfrog_ag_geometry(
	174	int fd,
	175	unsigned int agno,
	176	struct xfs_ag_geometry *ageo)
	177	{
	178	int ret;
	179
	180	ageo->ag_number = agno;
	181	ret = ioctl(fd, XFS_IOC_AG_GEOMETRY, ageo);
	182	if (ret)
03d96c64	183	return -errno;
bb85ae74 DW	184	return 0;
bb85ae74 DW	185	}