diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/af/rvu_validation.h')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/rvu_validation.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_validation.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu_validation.h new file mode 100644 index 000000000000..9dc8252d9986 --- /dev/null +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_validation.h @@ -0,0 +1,72 @@ +// 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 */ |