/* * Copyright (C) 2010 Red Hat, Inc. All rights reserved. * * This file is part of LVM2. * * This copyrighted material is made available to anyone wishing to use, * modify, copy, or redistribute it subject to the terms and conditions * of the GNU Lesser General Public License v.2.1. * * You should have received a copy of the GNU Lesser General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include "libdevmapper.h" #include "properties.h" #include "lvm-logging.h" #include "lvm-types.h" #include "metadata.h" #define GET_NUM_PROPERTY_FN(NAME, VALUE, TYPE, VAR) \ static int _ ## NAME ## _get (const void *obj, struct lvm_property_type *prop) \ { \ const struct TYPE *VAR = (const struct TYPE *)obj; \ \ prop->v.n_val = VALUE; \ return 1; \ } #define GET_VG_NUM_PROPERTY_FN(NAME, VALUE) \ GET_NUM_PROPERTY_FN(NAME, VALUE, volume_group, vg) #define GET_PV_NUM_PROPERTY_FN(NAME, VALUE) \ GET_NUM_PROPERTY_FN(NAME, VALUE, physical_volume, pv) #define GET_LV_NUM_PROPERTY_FN(NAME, VALUE) \ GET_NUM_PROPERTY_FN(NAME, VALUE, logical_volume, lv) #define GET_STR_PROPERTY_FN(NAME, VALUE, TYPE, VAR) \ static int _ ## NAME ## _get (const void *obj, struct lvm_property_type *prop) \ { \ const struct TYPE *VAR = (const struct TYPE *)obj; \ \ prop->v.s_val = (char *)VALUE; \ return 1; \ } #define GET_VG_STR_PROPERTY_FN(NAME, VALUE) \ GET_STR_PROPERTY_FN(NAME, VALUE, volume_group, vg) #define GET_PV_STR_PROPERTY_FN(NAME, VALUE) \ GET_STR_PROPERTY_FN(NAME, VALUE, physical_volume, pv) #define GET_LV_STR_PROPERTY_FN(NAME, VALUE) \ GET_STR_PROPERTY_FN(NAME, VALUE, logical_volume, lv) static int _not_implemented_get(const void *obj, struct lvm_property_type *prop) { log_errno(ENOSYS, "Function not implemented"); return 0; } static int _not_implemented_set(void *obj, struct lvm_property_type *prop) { log_errno(ENOSYS, "Function not implemented"); return 0; } /* PV */ GET_PV_STR_PROPERTY_FN(pv_fmt, pv_fmt_dup(pv)) #define _pv_fmt_set _not_implemented_set GET_PV_STR_PROPERTY_FN(pv_uuid, pv_uuid_dup(pv)) #define _pv_uuid_set _not_implemented_set GET_PV_NUM_PROPERTY_FN(dev_size, SECTOR_SIZE * pv_dev_size(pv)) #define _dev_size_set _not_implemented_set GET_PV_STR_PROPERTY_FN(pv_name, pv_name_dup(pv)) #define _pv_name_set _not_implemented_set GET_PV_NUM_PROPERTY_FN(pv_mda_free, SECTOR_SIZE * pv_mda_free(pv)) #define _pv_mda_free_set _not_implemented_set GET_PV_NUM_PROPERTY_FN(pv_mda_size, SECTOR_SIZE * pv_mda_size(pv)) #define _pv_mda_size_set _not_implemented_set GET_PV_NUM_PROPERTY_FN(pe_start, SECTOR_SIZE * pv->pe_start) #define _pe_start_set _not_implemented_set GET_PV_NUM_PROPERTY_FN(pv_size, SECTOR_SIZE * pv_size_field(pv)) #define _pv_size_set _not_implemented_set GET_PV_NUM_PROPERTY_FN(pv_free, SECTOR_SIZE * pv_free(pv)) #define _pv_free_set _not_implemented_set GET_PV_NUM_PROPERTY_FN(pv_used, SECTOR_SIZE * pv_used(pv)) #define _pv_used_set _not_implemented_set GET_PV_STR_PROPERTY_FN(pv_attr, pv_attr_dup(pv->vg->vgmem, pv)) #define _pv_attr_set _not_implemented_set GET_PV_NUM_PROPERTY_FN(pv_pe_count, pv->pe_count) #define _pv_pe_count_set _not_implemented_set GET_PV_NUM_PROPERTY_FN(pv_pe_alloc_count, pv->pe_alloc_count) #define _pv_pe_alloc_count_set _not_implemented_set GET_PV_STR_PROPERTY_FN(pv_tags, pv_tags_dup(pv)) #define _pv_tags_set _not_implemented_set GET_PV_NUM_PROPERTY_FN(pv_mda_count, pv_mda_count(pv)) #define _pv_mda_count_set _not_implemented_set GET_PV_NUM_PROPERTY_FN(pv_mda_used_count, pv_mda_used_count(pv)) #define _pv_mda_used_count_set _not_implemented_set /* LV */ #define _lv_uuid_get _not_implemented_get #define _lv_uuid_set _not_implemented_set #define _lv_name_get _not_implemented_get #define _lv_name_set _not_implemented_set #define _lv_path_get _not_implemented_get #define _lv_path_set _not_implemented_set #define _lv_attr_get _not_implemented_get #define _lv_attr_set _not_implemented_set #define _lv_major_get _not_implemented_get #define _lv_major_set _not_implemented_set #define _lv_minor_get _not_implemented_get #define _lv_minor_set _not_implemented_set #define _lv_read_ahead_get _not_implemented_get #define _lv_read_ahead_set _not_implemented_set #define _lv_kernel_major_get _not_implemented_get #define _lv_kernel_major_set _not_implemented_set #define _lv_kernel_minor_get _not_implemented_get #define _lv_kernel_minor_set _not_implemented_set #define _lv_kernel_read_ahead_get _not_implemented_get #define _lv_kernel_read_ahead_set _not_implemented_set #define _lv_size_get _not_implemented_get #define _lv_size_set _not_implemented_set #define _seg_count_get _not_implemented_get #define _seg_count_set _not_implemented_set #define _origin_get _not_implemented_get #define _origin_set _not_implemented_set #define _origin_size_get _not_implemented_get #define _origin_size_set _not_implemented_set #define _snap_percent_get _not_implemented_get #define _snap_percent_set _not_implemented_set #define _copy_percent_get _not_implemented_get #define _copy_percent_set _not_implemented_set #define _move_pv_get _not_implemented_get #define _move_pv_set _not_implemented_set #define _convert_lv_get _not_implemented_get #define _convert_lv_set _not_implemented_set #define _lv_tags_get _not_implemented_get #define _lv_tags_set _not_implemented_set #define _mirror_log_get _not_implemented_get #define _mirror_log_set _not_implemented_set #define _modules_get _not_implemented_get #define _modules_set _not_implemented_set /* VG */ GET_VG_STR_PROPERTY_FN(vg_fmt, vg_fmt_dup(vg)) #define _vg_fmt_set _not_implemented_set GET_VG_STR_PROPERTY_FN(vg_uuid, vg_uuid_dup(vg)) #define _vg_uuid_set _not_implemented_set GET_VG_STR_PROPERTY_FN(vg_name, vg_name_dup(vg)) #define _vg_name_set _not_implemented_set GET_VG_STR_PROPERTY_FN(vg_attr, vg_attr_dup(vg->vgmem, vg)) #define _vg_attr_set _not_implemented_set GET_VG_NUM_PROPERTY_FN(vg_size, (SECTOR_SIZE * vg_size(vg))) #define _vg_size_set _not_implemented_set GET_VG_NUM_PROPERTY_FN(vg_free, (SECTOR_SIZE * vg_free(vg))) #define _vg_free_set _not_implemented_set GET_VG_STR_PROPERTY_FN(vg_sysid, vg_system_id_dup(vg)) #define _vg_sysid_set _not_implemented_set GET_VG_NUM_PROPERTY_FN(vg_extent_size, vg->extent_size) #define _vg_extent_size_set _not_implemented_set GET_VG_NUM_PROPERTY_FN(vg_extent_count, vg->extent_count) #define _vg_extent_count_set _not_implemented_set GET_VG_NUM_PROPERTY_FN(vg_free_count, vg->free_count) #define _vg_free_count_set _not_implemented_set GET_VG_NUM_PROPERTY_FN(max_lv, vg->max_lv) #define _max_lv_set _not_implemented_set GET_VG_NUM_PROPERTY_FN(max_pv, vg->max_pv) #define _max_pv_set _not_implemented_set GET_VG_NUM_PROPERTY_FN(pv_count, vg->pv_count) #define _pv_count_set _not_implemented_set GET_VG_NUM_PROPERTY_FN(lv_count, (vg_visible_lvs(vg))) #define _lv_count_set _not_implemented_set GET_VG_NUM_PROPERTY_FN(snap_count, (snapshot_count(vg))) #define _snap_count_set _not_implemented_set GET_VG_NUM_PROPERTY_FN(vg_seqno, vg->seqno) #define _vg_seqno_set _not_implemented_set GET_VG_STR_PROPERTY_FN(vg_tags, vg_tags_dup(vg)) #define _vg_tags_set _not_implemented_set GET_VG_NUM_PROPERTY_FN(vg_mda_count, (vg_mda_count(vg))) #define _vg_mda_count_set _not_implemented_set GET_VG_NUM_PROPERTY_FN(vg_mda_used_count, (vg_mda_used_count(vg))) #define _vg_mda_used_count_set _not_implemented_set GET_VG_NUM_PROPERTY_FN(vg_mda_free, (SECTOR_SIZE * vg_mda_free(vg))) #define _vg_mda_free_set _not_implemented_set GET_VG_NUM_PROPERTY_FN(vg_mda_size, (SECTOR_SIZE * vg_mda_size(vg))) #define _vg_mda_size_set _not_implemented_set GET_VG_NUM_PROPERTY_FN(vg_mda_copies, (vg_mda_copies(vg))) #define _vg_mda_copies_set _not_implemented_set /* LVSEG */ #define _segtype_get _not_implemented_get #define _segtype_set _not_implemented_set #define _stripes_get _not_implemented_get #define _stripes_set _not_implemented_set #define _stripesize_get _not_implemented_get #define _stripesize_set _not_implemented_set #define _stripe_size_get _not_implemented_get #define _stripe_size_set _not_implemented_set #define _regionsize_get _not_implemented_get #define _regionsize_set _not_implemented_set #define _region_size_get _not_implemented_get #define _region_size_set _not_implemented_set #define _chunksize_get _not_implemented_get #define _chunksize_set _not_implemented_set #define _chunk_size_get _not_implemented_get #define _chunk_size_set _not_implemented_set #define _seg_start_get _not_implemented_get #define _seg_start_set _not_implemented_set #define _seg_start_pe_get _not_implemented_get #define _seg_start_pe_set _not_implemented_set #define _seg_size_get _not_implemented_get #define _seg_size_set _not_implemented_set #define _seg_tags_get _not_implemented_get #define _seg_tags_set _not_implemented_set #define _seg_pe_ranges_get _not_implemented_get #define _seg_pe_ranges_set _not_implemented_set #define _devices_get _not_implemented_get #define _devices_set _not_implemented_set /* PVSEG */ #define _pvseg_start_get _not_implemented_get #define _pvseg_start_set _not_implemented_set #define _pvseg_size_get _not_implemented_get #define _pvseg_size_set _not_implemented_set #define STR DM_REPORT_FIELD_TYPE_STRING #define NUM DM_REPORT_FIELD_TYPE_NUMBER #define FIELD(type, strct, sorttype, head, field, width, fn, id, desc, writeable) \ { type, #id, writeable, sorttype == STR, { .n_val = 0 }, _ ## id ## _get, _ ## id ## _set }, struct lvm_property_type _properties[] = { #include "columns.h" { 0, "", 0, 0, { .n_val = 0 }, _not_implemented_get, _not_implemented_set }, }; #undef STR #undef NUM #undef FIELD static int _get_property(const void *obj, struct lvm_property_type *prop, report_type_t type) { struct lvm_property_type *p; p = _properties; while (p->id[0]) { if (!strcmp(p->id, prop->id)) break; p++; } if (!p->id[0]) { log_errno(EINVAL, "Invalid property name %s", prop->id); return 0; } if (!(p->type & type)) { log_errno(EINVAL, "Property name %s does not match type %d", prop->id, p->type); return 0; } *prop = *p; if (!p->get(obj, prop)) { return 0; } return 1; } int vg_get_property(const struct volume_group *vg, struct lvm_property_type *prop) { return _get_property(vg, prop, VGS); } int pv_get_property(const struct physical_volume *pv, struct lvm_property_type *prop) { return _get_property(pv, prop, PVS | LABEL); }