cm_utils.h

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/* -*- C -*- */
/*
 * Copyright (c) 2012-2020 Seagate Technology LLC and/or its Affiliates
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * For any questions about this software or licensing,
 * please email opensource@seagate.com or cortx-questions@seagate.com.
 *
 */


#pragma once

#ifndef __MOTR_SNS_CM_UTILS_H__
#define __MOTR_SNS_CM_UTILS_H__

#include "layout/pdclust.h"

#include "sns/cm/cm.h"

struct m0_cob_domain;
struct m0_cm;
struct m0_sns_cm;
struct m0_sns_cm_ag;

M0_INTERNAL void
m0_sns_cm_unit2cobfid(struct m0_sns_cm_file_ctx *fctx,
                      const struct m0_pdclust_src_addr *sa,
                      struct m0_pdclust_tgt_addr *ta,
                      struct m0_fid *cfid_out);

M0_INTERNAL uint32_t m0_sns_cm_device_index_get(uint64_t group,
                                                uint64_t unit_number,
                                                struct m0_sns_cm_file_ctx *fctx);

M0_INTERNAL uint64_t m0_sns_cm_ag_unit2cobindex(struct m0_sns_cm_ag *sag,
                                                uint64_t unit);

M0_INTERNAL int m0_sns_cm_cob_locate(struct m0_cob_domain *cdom,
                                     const struct m0_fid *cob_fid);


M0_INTERNAL uint64_t m0_sns_cm_ag_nr_local_units(struct m0_sns_cm *scm,
                                                 struct m0_sns_cm_file_ctx *fctx,
                                                 uint64_t group);


M0_INTERNAL uint64_t m0_sns_cm_ag_nr_global_units(const struct m0_sns_cm_ag *ag,
                                                  struct m0_pdclust_layout *pl);

M0_INTERNAL uint64_t m0_sns_cm_ag_size(const struct m0_pdclust_layout *pl);

M0_INTERNAL uint64_t m0_sns_cm_ag_nr_data_units(const struct m0_pdclust_layout *pl);

M0_INTERNAL uint64_t m0_sns_cm_ag_nr_parity_units(const struct m0_pdclust_layout *pl);

M0_INTERNAL uint64_t m0_sns_cm_ag_nr_spare_units(const struct m0_pdclust_layout *pl);

M0_INTERNAL int m0_sns_cm_ag_in_cp_units(const struct m0_sns_cm *scm,
                                         const struct m0_cm_ag_id *id,
                                         struct m0_sns_cm_file_ctx *fctx,
                                         uint32_t *in_cp_nr,
                                         uint32_t *in_units_nr,
                                         struct m0_cm_proxy_in_count *pcount);

M0_INTERNAL bool m0_sns_cm_is_cob_repaired(struct m0_poolmach *pm,
                                           uint32_t cob_index);

M0_INTERNAL bool m0_sns_cm_is_cob_repairing(struct m0_poolmach *pm,
                                            uint32_t cob_index);

M0_INTERNAL bool m0_sns_cm_is_cob_rebalancing(struct m0_poolmach *pm,
                                              uint32_t cob_index);

M0_INTERNAL uint64_t
m0_sns_cm_ag_spare_unit_nr(const struct m0_pdclust_layout *pl,
                           uint64_t fidx);

M0_INTERNAL bool m0_sns_cm_unit_is_spare(struct m0_sns_cm_file_ctx *fctx,
                                         uint64_t group_number,
                                         uint64_t spare_unit_number);

M0_INTERNAL uint64_t m0_sns_cm_ag_unit_start(const struct m0_sns_cm *scm,
                                             const struct m0_pdclust_layout *pl);

M0_INTERNAL uint64_t m0_sns_cm_ag_unit_end(const struct m0_sns_cm *scm,
                                           const struct m0_pdclust_layout *pl);

M0_INTERNAL int m0_sns_cm_ag_tgt_unit2cob(struct m0_sns_cm_ag *sag,
                                          uint64_t tgt_unit,
                                          struct m0_fid *cobfid);

M0_INTERNAL int
m0_sns_cm_ut_file_size_layout(struct m0_sns_cm_file_ctx *fctx);

M0_INTERNAL const char *m0_sns_cm_tgt_ep(const struct m0_cm *cm,
                                         const struct m0_pool_version *pv,
                                         const struct m0_fid *gfid,
                                         struct m0_conf_obj **hostage);

M0_INTERNAL size_t m0_sns_cm_ag_unrepaired_units(const struct m0_sns_cm *scm,
                                                 struct m0_sns_cm_file_ctx *fctx,
                                                 uint64_t group,
                                                 struct m0_bitmap *fmap_out);

M0_INTERNAL bool m0_sns_cm_ag_is_relevant(struct m0_sns_cm *scm,
                                          struct m0_sns_cm_file_ctx *fctx,
                                          const struct m0_cm_ag_id *id);

M0_INTERNAL bool
m0_sns_cm_ag_relevant_is_done(const struct m0_cm_aggr_group *ag,
                              uint64_t nr_cps_fini);

M0_INTERNAL bool m0_sns_cm_fid_is_valid(const struct m0_sns_cm *snscm,
                                        const struct m0_fid *fid);

M0_INTERNAL struct m0_reqh *m0_sns_cm2reqh(const struct m0_sns_cm *snscm);

M0_INTERNAL bool m0_sns_cm_is_local_cob(const struct m0_cm *cm,
                                        const struct m0_pool_version *pv,
                                        const struct m0_fid *cob_fid);

M0_INTERNAL bool m0_sns_cm_disk_has_dirty_pver(struct m0_cm *cm,
                                               struct m0_conf_drive *disk,
                                               bool clear);
M0_INTERNAL bool m0_sns_cm_pver_is_dirty(struct m0_pool_version *pver);
M0_INTERNAL void m0_sns_cm_pver_dirty_set(struct m0_pool_version *pver);
M0_INTERNAL int m0_sns_cm_pool_ha_nvec_alloc(struct m0_pool *pool,
                                             enum m0_pool_nd_state state,
                                             struct m0_ha_nvec *nvec);
M0_INTERNAL enum m0_sns_cm_local_unit_type
m0_sns_cm_local_unit_type_get(struct m0_sns_cm_file_ctx *fctx, uint64_t group,
                              uint64_t unit);

/* __MOTR_SNS_CM_UTILS_H__ */

#endif

/*
 *  Local variables:
 *  c-indentation-style: "K&R"
 *  c-basic-offset: 8
 *  tab-width: 8
 *  fill-column: 80
 *  scroll-step: 1
 *  End:
 */