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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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204f6a8c41
Count number of roots and add it to stats. It is handy for the library user to have this stats available as it can act upon it without counting roots itself. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
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/* Copyright (c) 2018 Mellanox Technologies. All rights reserved */
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#ifndef _OBJAGG_H
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#define _OBJAGG_H
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struct objagg_ops {
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size_t obj_size;
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bool (*delta_check)(void *priv, const void *parent_obj,
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const void *obj);
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int (*hints_obj_cmp)(const void *obj1, const void *obj2);
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void * (*delta_create)(void *priv, void *parent_obj, void *obj);
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void (*delta_destroy)(void *priv, void *delta_priv);
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void * (*root_create)(void *priv, void *obj, unsigned int root_id);
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#define OBJAGG_OBJ_ROOT_ID_INVALID UINT_MAX
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void (*root_destroy)(void *priv, void *root_priv);
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};
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struct objagg;
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struct objagg_obj;
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struct objagg_hints;
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const void *objagg_obj_root_priv(const struct objagg_obj *objagg_obj);
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const void *objagg_obj_delta_priv(const struct objagg_obj *objagg_obj);
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const void *objagg_obj_raw(const struct objagg_obj *objagg_obj);
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struct objagg_obj *objagg_obj_get(struct objagg *objagg, void *obj);
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void objagg_obj_put(struct objagg *objagg, struct objagg_obj *objagg_obj);
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struct objagg *objagg_create(const struct objagg_ops *ops,
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struct objagg_hints *hints, void *priv);
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void objagg_destroy(struct objagg *objagg);
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struct objagg_obj_stats {
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unsigned int user_count;
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unsigned int delta_user_count; /* includes delta object users */
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};
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struct objagg_obj_stats_info {
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struct objagg_obj_stats stats;
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struct objagg_obj *objagg_obj; /* associated object */
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bool is_root;
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};
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struct objagg_stats {
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unsigned int root_count;
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unsigned int stats_info_count;
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struct objagg_obj_stats_info stats_info[];
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};
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const struct objagg_stats *objagg_stats_get(struct objagg *objagg);
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void objagg_stats_put(const struct objagg_stats *objagg_stats);
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enum objagg_opt_algo_type {
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OBJAGG_OPT_ALGO_SIMPLE_GREEDY,
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};
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struct objagg_hints *objagg_hints_get(struct objagg *objagg,
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enum objagg_opt_algo_type opt_algo_type);
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void objagg_hints_put(struct objagg_hints *objagg_hints);
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const struct objagg_stats *
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objagg_hints_stats_get(struct objagg_hints *objagg_hints);
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#endif
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