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// SPDX-License-Identifier: GPL-2.0
/* Marvell OcteonTx2 RVU Admin Function driver
*
* Copyright (C) 2018 Marvell International Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef RVU_VALIDATION_H
#define RVU_VALIDATION_H
struct rvu;
struct rvu_quotas;
struct rvu_quota {
struct kobj_attribute sysfs;
/* Device to scope logs to */
struct device *dev;
/* Kobject of the sysfs file */
struct kobject *parent;
/* Pointer to base structure */
struct rvu_quotas *base;
/* Argument passed to the quota_ops when this quota is modified */
void *ops_arg;
/* Value of the quota */
int val;
};
struct rvu_quota_ops {
/*
* Called before sysfs store(). store() will proceed if returns 0.
* It is called with struct rvu_quotas::lock taken.
*/
int (*pre_store)(void *arg, struct rvu_quota *quota, int new_val);
/** called after sysfs store(). */
void (*post_store)(void *arg, struct rvu_quota *quota, int old_val);
};
struct rvu_quotas {
struct rvu_quota_ops ops;
struct mutex *lock; /* lock taken for each sysfs operation */
u32 cnt; /* number of elements in arr */
u32 max; /* maximum value for a single quota */
u64 max_sum; /* maximum sum of all quotas */
struct rvu_quota a[0]; /* array of quota assignments */
};
struct rvu_limits {
struct rvu_quotas *sso;
struct rvu_quotas *ssow;
struct rvu_quotas *tim;
struct rvu_quotas *cpt;
struct rvu_quotas *npa;
struct rvu_quotas *nix;
struct rvu_quotas *smq;
struct rvu_quotas *tl4;
struct rvu_quotas *tl3;
struct rvu_quotas *tl2;
};
int rvu_policy_init(struct rvu *rvu);
void rvu_policy_destroy(struct rvu *rvu);
int rvu_check_rsrc_policy(struct rvu *rvu,
struct rsrc_attach *req, u16 pcifunc);
int rvu_check_txsch_policy(struct rvu *rvu, struct nix_txsch_alloc_req *req,
u16 pcifunc);
int rvu_mbox_handler_free_rsrc_cnt(struct rvu *rvu, struct msg_req *req,
struct free_rsrcs_rsp *rsp);
#endif /* RVU_VALIDATION_H */
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