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lvm2/lib/display/display.c
Alasdair Kergon 6dee988083 vgdisplay_colons
2004-03-30 14:35:40 +00:00

728 lines
18 KiB
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/*
* Copyright (C) 2001 Sistina Software
*
* This LVM library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This LVM library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this LVM library; if not, write to the Free
* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA
*
*/
#include "lib.h"
#include "metadata.h"
#include "display.h"
#include "activate.h"
#include "toolcontext.h"
#define SIZE_BUF 128
static struct {
alloc_policy_t alloc;
const char *str;
} _policies[] = {
{
ALLOC_NEXT_FREE, "next free"}, {
ALLOC_CONTIGUOUS, "contiguous"}, {
ALLOC_DEFAULT, "next free (default)"}
};
static struct {
segment_type_t segtype;
const char *str;
} _segtypes[] = {
{
SEG_STRIPED, "striped"}, {
SEG_MIRRORED, "mirror"}, {
SEG_SNAPSHOT, "snapshot"}
};
static int _num_policies = sizeof(_policies) / sizeof(*_policies);
static int _num_segtypes = sizeof(_segtypes) / sizeof(*_segtypes);
uint64_t units_to_bytes(const char *units, char *unit_type)
{
char *ptr = NULL;
uint64_t v;
if (isdigit(*units)) {
v = (uint64_t) strtod(units, &ptr);
if (ptr == units)
return 0;
units = ptr;
} else
v = 1;
if (v == 1)
*unit_type = *units;
else
*unit_type = 'U';
switch (*units) {
case 'h':
case 'H':
v = UINT64_C(1);
*unit_type = *units;
break;
case 's':
v *= SECTOR_SIZE;
break;
case 'b':
case 'B':
v *= UINT64_C(1);
break;
#define KILO UINT64_C(1024)
case 'k':
v *= KILO;
break;
case 'm':
v *= KILO * KILO;
break;
case 'g':
v *= KILO * KILO * KILO;
break;
case 't':
v *= KILO * KILO * KILO * KILO;
break;
#undef KILO
#define KILO UINT64_C(1000)
case 'K':
v *= KILO;
break;
case 'M':
v *= KILO * KILO;
break;
case 'G':
v *= KILO * KILO * KILO;
break;
case 'T':
v *= KILO * KILO * KILO * KILO;
break;
#undef KILO
default:
return 0;
}
if (*(units + 1))
return 0;
return v;
}
const char *get_alloc_string(alloc_policy_t alloc)
{
int i;
for (i = 0; i < _num_policies; i++)
if (_policies[i].alloc == alloc)
return _policies[i].str;
return NULL;
}
const char *get_segtype_string(segment_type_t segtype)
{
int i;
for (i = 0; i < _num_segtypes; i++)
if (_segtypes[i].segtype == segtype)
return _segtypes[i].str;
return "unknown";
}
alloc_policy_t get_alloc_from_string(const char *str)
{
int i;
for (i = 0; i < _num_policies; i++)
if (!strcmp(_policies[i].str, str))
return _policies[i].alloc;
log_error("Unrecognised allocation policy - using default");
return ALLOC_DEFAULT;
}
segment_type_t get_segtype_from_string(const char *str)
{
int i;
for (i = 0; i < _num_segtypes; i++)
if (!strcmp(_segtypes[i].str, str))
return _segtypes[i].segtype;
log_error("Unrecognised segment type - using default (striped)");
return SEG_STRIPED;
}
const char *display_size(struct cmd_context *cmd, uint64_t size, size_len_t sl)
{
int s;
int suffix = 1;
uint64_t byte = UINT64_C(0);
uint64_t units = UINT64_C(1024);
char *size_buf = NULL;
const char *size_str[][3] = {
{" Terabyte", " TB", "T"},
{" Gigabyte", " GB", "G"},
{" Megabyte", " MB", "M"},
{" Kilobyte", " KB", "K"},
{"", "", ""},
{" Byte ", " B ", "B"},
{" Units ", " Un", "U"},
{" Sectors ", " Se", "S"},
{" ", " ", " "},
};
if (!(size_buf = pool_alloc(cmd->mem, SIZE_BUF))) {
log_error("no memory for size display buffer");
return "";
}
suffix = cmd->current_settings.suffix;
for (s = 0; s < 8; s++)
if (toupper((int) cmd->current_settings.unit_type) ==
*size_str[s][2])
break;
if (size == UINT64_C(0)) {
sprintf(size_buf, "0%s", suffix ? size_str[s][sl] : "");
return size_buf;
}
if (s < 8) {
byte = cmd->current_settings.unit_factor;
size *= UINT64_C(1024);
} else {
suffix = 1;
if (cmd->current_settings.unit_type == 'H')
units = UINT64_C(1000);
else
units = UINT64_C(1024);
byte = units * units * units;
s = 0;
while (size_str[s] && size < byte)
s++, byte /= units;
}
snprintf(size_buf, SIZE_BUF - 1, "%.2f%s", (float) size / byte,
suffix ? size_str[s][sl] : "");
return size_buf;
}
void pvdisplay_colons(struct physical_volume *pv)
{
char uuid[64];
if (!pv)
return;
if (!id_write_format(&pv->id, uuid, sizeof(uuid))) {
stack;
return;
}
log_print("%s:%s:%" PRIu64 ":-1:%u:%u:-1:%" PRIu32 ":%u:%u:%u:%s",
dev_name(pv->dev), pv->vg_name, pv->size,
/* FIXME pv->pv_number, Derive or remove? */
pv->status, /* FIXME Support old or new format here? */
pv->status & ALLOCATABLE_PV, /* FIXME remove? */
/* FIXME pv->lv_cur, Remove? */
pv->pe_size / 2,
pv->pe_count,
pv->pe_count - pv->pe_alloc_count,
pv->pe_alloc_count, *uuid ? uuid : "none");
return;
}
/* FIXME Include label fields */
void pvdisplay_full(struct cmd_context *cmd, struct physical_volume *pv,
void *handle)
{
char uuid[64];
const char *size;
uint32_t pe_free;
if (!pv)
return;
if (!id_write_format(&pv->id, uuid, sizeof(uuid))) {
stack;
return;
}
log_print("--- %sPhysical volume ---", pv->pe_size ? "" : "NEW ");
log_print("PV Name %s", dev_name(pv->dev));
log_print("VG Name %s%s", pv->vg_name,
pv->status & EXPORTED_VG ? " (exported)" : "");
size = display_size(cmd, (uint64_t) pv->size / 2, SIZE_SHORT);
if (pv->pe_size && pv->pe_count) {
/******** FIXME display LVM on-disk data size
size2 = display_size(pv->size / 2, SIZE_SHORT);
********/
log_print("PV Size %s" " / not usable %s", /* [LVM: %s]", */
size, display_size(cmd,
(pv->size -
pv->pe_count * pv->pe_size) / 2,
SIZE_SHORT));
} else
log_print("PV Size %s", size);
/* PV number not part of LVM2 design
log_print("PV# %u", pv->pv_number);
*/
pe_free = pv->pe_count - pv->pe_alloc_count;
if (pv->pe_count && (pv->status & ALLOCATABLE_PV))
log_print("Allocatable yes %s",
(!pe_free && pv->pe_count) ? "(but full)" : "");
else
log_print("Allocatable NO");
/* LV count is no longer available when displaying PV
log_print("Cur LV %u", vg->lv_count);
*/
log_print("PE Size (KByte) %" PRIu32, pv->pe_size / 2);
log_print("Total PE %u", pv->pe_count);
log_print("Free PE %" PRIu32, pe_free);
log_print("Allocated PE %u", pv->pe_alloc_count);
log_print("PV UUID %s", *uuid ? uuid : "none");
log_print(" ");
return;
}
int pvdisplay_short(struct cmd_context *cmd, struct volume_group *vg,
struct physical_volume *pv, void *handle)
{
char uuid[64];
if (!pv)
return 0;
if (!id_write_format(&pv->id, uuid, sizeof(uuid))) {
stack;
return 0;
}
log_print("PV Name %s ", dev_name(pv->dev));
/* FIXME pv->pv_number); */
log_print("PV UUID %s", *uuid ? uuid : "none");
log_print("PV Status %sallocatable",
(pv->status & ALLOCATABLE_PV) ? "" : "NOT ");
log_print("Total PE / Free PE %u / %u",
pv->pe_count, pv->pe_count - pv->pe_alloc_count);
log_print(" ");
return 0;
}
void lvdisplay_colons(struct logical_volume *lv)
{
int inkernel;
struct lvinfo info;
inkernel = lv_info(lv, &info) && info.exists;
log_print("%s%s/%s:%s:%d:%d:-1:%d:%" PRIu64 ":%d:-1:%d:%d:%d:%d",
lv->vg->cmd->dev_dir,
lv->vg->name,
lv->name,
lv->vg->name,
(lv->status & (LVM_READ | LVM_WRITE)) >> 8, inkernel ? 1 : 0,
/* FIXME lv->lv_number, */
inkernel ? info.open_count : 0, lv->size, lv->le_count,
/* FIXME Add num allocated to struct! lv->lv_allocated_le, */
(lv->alloc == ALLOC_CONTIGUOUS ? 2 : 0), lv->read_ahead,
inkernel ? info.major : -1, inkernel ? info.minor : -1);
return;
}
int lvdisplay_full(struct cmd_context *cmd, struct logical_volume *lv,
void *handle)
{
struct lvinfo info;
int inkernel, snap_active;
char uuid[64];
struct snapshot *snap = NULL;
struct list *slh, *snaplist;
float snap_percent; /* fused, fsize; */
if (!id_write_format(&lv->lvid.id[1], uuid, sizeof(uuid))) {
stack;
return 0;
}
inkernel = lv_info(lv, &info) && info.exists;
log_print("--- Logical volume ---");
log_print("LV Name %s%s/%s", lv->vg->cmd->dev_dir,
lv->vg->name, lv->name);
log_print("VG Name %s", lv->vg->name);
log_print("LV UUID %s", uuid);
log_print("LV Write Access %s",
(lv->status & LVM_WRITE) ? "read/write" : "read only");
if (lv_is_origin(lv)) {
log_print("LV snapshot status source of");
snaplist = find_snapshots(lv);
list_iterate(slh, snaplist) {
snap = list_item(slh, struct snapshot_list)->snapshot;
snap_active = lv_snapshot_percent(snap->cow,
&snap_percent);
if (!snap_active || snap_percent < 0 ||
snap_percent >= 100)
snap_active = 0;
log_print(" %s%s/%s [%s]",
lv->vg->cmd->dev_dir, lv->vg->name,
snap->cow->name,
(snap_active > 0) ? "active" : "INACTIVE");
}
snap = NULL;
} else if ((snap = find_cow(lv))) {
snap_active = lv_snapshot_percent(lv, &snap_percent);
if (!snap_active || snap_percent < 0 || snap_percent >= 100)
snap_active = 0;
log_print("LV snapshot status %s destination for %s%s/%s",
(snap_active > 0) ? "active" : "INACTIVE",
lv->vg->cmd->dev_dir, lv->vg->name,
snap->origin->name);
}
if (inkernel && info.suspended)
log_print("LV Status suspended");
else
log_print("LV Status %savailable",
inkernel ? "" : "NOT ");
/********* FIXME lv_number
log_print("LV # %u", lv->lv_number + 1);
************/
if (inkernel)
log_print("# open %u", info.open_count);
log_print("LV Size %s",
display_size(cmd,
snap ? snap->origin->size / 2 : lv->size / 2,
SIZE_SHORT));
log_print("Current LE %u",
snap ? snap->origin->le_count : lv->le_count);
/********** FIXME allocation
log_print("Allocated LE %u", lv->allocated_le);
**********/
log_print("Segments %u", list_size(&lv->segments));
/********* FIXME Stripes & stripesize for each segment
log_print("Stripe size (KByte) %u", lv->stripesize / 2);
***********/
if (snap) {
if (snap_percent == -1)
snap_percent = 100;
log_print("Snapshot chunk size %s",
display_size(cmd, (uint64_t) snap->chunk_size / 2,
SIZE_SHORT));
/*
size = display_size(lv->size / 2, SIZE_SHORT);
sscanf(size, "%f", &fsize);
fused = fsize * snap_percent / 100;
*/
log_print("Allocated to snapshot %.2f%% ", /* [%.2f/%s]", */
snap_percent); /*, fused, size); */
/* dbg_free(size); */
}
/********** FIXME Snapshot
size = ???
log_print("Allocated to COW-table %s", size);
dbg_free(size);
}
******************/
log_print("Allocation %s", get_alloc_string(lv->alloc));
log_print("Read ahead sectors %u", lv->read_ahead);
if (lv->status & FIXED_MINOR) {
if (lv->major >= 0)
log_print("Persistent major %d", lv->major);
log_print("Persistent minor %d", lv->minor);
}
if (inkernel)
log_print("Block device %d:%d", info.major,
info.minor);
log_print(" ");
return 0;
}
static void _display_stripe(struct lv_segment *seg, uint32_t s, const char *pre)
{
switch (seg->area[s].type) {
case AREA_PV:
log_print("%sPhysical volume\t%s", pre,
seg->area[s].u.pv.pv ?
dev_name(seg->area[s].u.pv.pv->dev) : "Missing");
if (seg->area[s].u.pv.pv)
log_print("%sPhysical extents\t%d to %d", pre,
seg->area[s].u.pv.pe,
seg->area[s].u.pv.pe + seg->area_len - 1);
break;
case AREA_LV:
log_print("%sLogical volume\t%s", pre,
seg->area[s].u.lv.lv ?
seg->area[s].u.lv.lv->name : "Missing");
if (seg->area[s].u.lv.lv)
log_print("%sLogical extents\t%d to %d", pre,
seg->area[s].u.lv.le,
seg->area[s].u.lv.le + seg->area_len - 1);
}
}
int lvdisplay_segments(struct logical_volume *lv)
{
uint32_t s;
struct list *segh;
struct lv_segment *seg;
log_print("--- Segments ---");
list_iterate(segh, &lv->segments) {
seg = list_item(segh, struct lv_segment);
log_print("Logical extent %u to %u:",
seg->le, seg->le + seg->len - 1);
if (seg->type == SEG_STRIPED && seg->area_count == 1)
log_print(" Type\t\tlinear");
else
log_print(" Type\t\t%s",
get_segtype_string(seg->type));
switch (seg->type) {
case SEG_STRIPED:
if (seg->area_count == 1)
_display_stripe(seg, 0, " ");
else {
log_print(" Stripes\t\t%u", seg->area_count);
log_print(" Stripe size\t\t%u KB",
seg->stripe_size / 2);
for (s = 0; s < seg->area_count; s++) {
log_print(" Stripe %d:", s);
_display_stripe(seg, s, " ");
}
}
log_print(" ");
break;
case SEG_SNAPSHOT:
break;
case SEG_MIRRORED:
log_print(" Mirrors\t\t%u", seg->area_count);
log_print(" Mirror size\t\t%u", seg->area_len);
log_print(" Mirror original:");
_display_stripe(seg, 0, " ");
log_print(" Mirror destination:");
_display_stripe(seg, 1, " ");
log_print(" ");
break;
}
}
log_print(" ");
return 1;
}
void vgdisplay_extents(struct volume_group *vg)
{
return;
}
void vgdisplay_full(struct volume_group *vg)
{
uint32_t access;
uint32_t active_pvs;
char uuid[64];
if (vg->status & PARTIAL_VG)
active_pvs = list_size(&vg->pvs);
else
active_pvs = vg->pv_count;
log_print("--- Volume group ---");
log_print("VG Name %s", vg->name);
log_print("System ID %s", vg->system_id);
log_print("Format %s", vg->fid->fmt->name);
if (vg->fid->fmt->features & FMT_MDAS) {
log_print("Metadata Areas %d",
list_size(&vg->fid->metadata_areas));
log_print("Metadata Sequence No %d", vg->seqno);
}
access = vg->status & (LVM_READ | LVM_WRITE);
log_print("VG Access %s%s%s%s",
access == (LVM_READ | LVM_WRITE) ? "read/write" : "",
access == LVM_READ ? "read" : "",
access == LVM_WRITE ? "write" : "",
access == 0 ? "error" : "");
log_print("VG Status %s%sresizable",
vg->status & EXPORTED_VG ? "exported/" : "",
vg->status & RESIZEABLE_VG ? "" : "NOT ");
/* vg number not part of LVM2 design
log_print ("VG # %u\n", vg->vg_number);
*/
if (vg->status & CLUSTERED) {
log_print("Clustered yes");
log_print("Shared %s",
vg->status & SHARED ? "yes" : "no");
}
log_print("MAX LV %u", vg->max_lv);
log_print("Cur LV %u", vg->lv_count);
log_print("Open LV %u", lvs_in_vg_opened(vg));
/****** FIXME Max LV Size
log_print ( "MAX LV Size %s",
( s1 = display_size ( LVM_LV_SIZE_MAX(vg) / 2, SIZE_SHORT)));
free ( s1);
*********/
log_print("Max PV %u", vg->max_pv);
log_print("Cur PV %u", vg->pv_count);
log_print("Act PV %u", active_pvs);
log_print("VG Size %s",
display_size(vg->cmd,
(uint64_t) vg->extent_count * (vg->extent_size /
2), SIZE_SHORT));
log_print("PE Size %s",
display_size(vg->cmd, (uint64_t) vg->extent_size / 2,
SIZE_SHORT));
log_print("Total PE %u", vg->extent_count);
log_print("Alloc PE / Size %u / %s",
vg->extent_count - vg->free_count, display_size(vg->cmd,
((uint64_t)
vg->
extent_count
-
vg->
free_count) *
(vg->
extent_size /
2),
SIZE_SHORT));
log_print("Free PE / Size %u / %s", vg->free_count,
display_size(vg->cmd,
(uint64_t) vg->free_count * (vg->extent_size /
2), SIZE_SHORT));
if (!id_write_format(&vg->id, uuid, sizeof(uuid))) {
stack;
return;
}
log_print("VG UUID %s", uuid);
log_print(" ");
return;
}
void vgdisplay_colons(struct volume_group *vg)
{
uint32_t active_pvs;
const char *access;
char uuid[64];
if (vg->status & PARTIAL_VG)
active_pvs = list_size(&vg->pvs);
else
active_pvs = vg->pv_count;
switch (vg->status & (LVM_READ | LVM_WRITE)) {
case LVM_READ | LVM_WRITE:
access = "r/w";
break;
case LVM_READ:
access = "r";
break;
case LVM_WRITE:
access = "w";
break;
default:
access = "";
}
if (!id_write_format(&vg->id, uuid, sizeof(uuid))) {
stack;
return;
}
log_print("%s:%s:%d:-1:%u:%u:%u:-1:%u:%u:%u:%" PRIu64 ":%" PRIu32
":%u:%u:%u:%s",
vg->name,
access,
vg->status,
/* internal volume group number; obsolete */
vg->max_lv,
vg->lv_count,
lvs_in_vg_opened(vg),
/* FIXME: maximum logical volume size */
vg->max_pv,
vg->pv_count,
active_pvs,
(uint64_t) vg->extent_count * (vg->extent_size / 2),
vg->extent_size / 2,
vg->extent_count,
vg->extent_count - vg->free_count,
vg->free_count,
uuid[0] ? uuid : "none");
return;
}
void vgdisplay_short(struct volume_group *vg)
{
log_print("\"%s\" %-9s [%-9s used / %s free]", vg->name,
/********* FIXME if "open" print "/used" else print "/idle"??? ******/
display_size(vg->cmd, (uint64_t) vg->extent_count *
vg->extent_size / 2, SIZE_SHORT),
display_size(vg->cmd,
((uint64_t) vg->extent_count -
vg->free_count) * vg->extent_size / 2,
SIZE_SHORT), display_size(vg->cmd,
(uint64_t) vg->
free_count *
vg->extent_size / 2,
SIZE_SHORT));
return;
}
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