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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020 Marvell International Ltd.
*
* Resource management for PKI resources.
*/
#ifndef __CVMX_PKI_RESOURCES_H__
#define __CVMX_PKI_RESOURCES_H__
/**
* This function allocates/reserves a style from pool of global styles per node.
* @param node node to allocate style from.
* @param style style to allocate, if -1 it will be allocated
first available style from style resource. If index is positive
number and in range, it will try to allocate specified style.
* @return style number on success, -1 on failure.
*/
int cvmx_pki_style_alloc(int node, int style);
/**
* This function allocates/reserves a cluster group from per node
cluster group resources.
* @param node node to allocate cluster group from.
@param cl_grp cluster group to allocate/reserve, if -1 ,
allocate any available cluster group.
* @return cluster group number or -1 on failure
*/
int cvmx_pki_cluster_grp_alloc(int node, int cl_grp);
/**
* This function allocates/reserves a cluster from per node
cluster resources.
* @param node node to allocate cluster group from.
@param cluster_mask mask of clusters to allocate/reserve, if -1 ,
allocate any available clusters.
* @param num_clusters number of clusters that will be allocated
*/
int cvmx_pki_cluster_alloc(int node, int num_clusters, u64 *cluster_mask);
/**
* This function allocates/reserves a pcam entry from node
* @param node node to allocate pcam entry from.
@param index index of pacm entry (0-191), if -1 ,
allocate any available pcam entry.
* @param bank pcam bank where to allocate/reserve pcan entry from
* @param cluster_mask mask of clusters from which pcam entry is needed.
* @return pcam entry of -1 on failure
*/
int cvmx_pki_pcam_entry_alloc(int node, int index, int bank, u64 cluster_mask);
/**
* This function allocates/reserves QPG table entries per node.
* @param node node number.
* @param base_offset base_offset in qpg table. If -1, first available
qpg base_offset will be allocated. If base_offset is positive
number and in range, it will try to allocate specified base_offset.
@param count number of consecutive qpg entries to allocate. They will be consecutive
from base offset.
* @return qpg table base offset number on success, -1 on failure.
*/
int cvmx_pki_qpg_entry_alloc(int node, int base_offset, int count);
/**
* This function frees a style from pool of global styles per node.
* @param node node to free style from.
* @param style style to free
* @return 0 on success, -1 on failure.
*/
int cvmx_pki_style_free(int node, int style);
/**
* This function frees a cluster group from per node
cluster group resources.
* @param node node to free cluster group from.
@param cl_grp cluster group to free
* @return 0 on success or -1 on failure
*/
int cvmx_pki_cluster_grp_free(int node, int cl_grp);
/**
* This function frees QPG table entries per node.
* @param node node number.
* @param base_offset base_offset in qpg table. If -1, first available
* qpg base_offset will be allocated. If base_offset is positive
* number and in range, it will try to allocate specified base_offset.
* @param count number of consecutive qpg entries to allocate. They will be consecutive
* from base offset.
* @return qpg table base offset number on success, -1 on failure.
*/
int cvmx_pki_qpg_entry_free(int node, int base_offset, int count);
/**
* This function frees clusters from per node
clusters resources.
* @param node node to free clusters from.
* @param cluster_mask mask of clusters need freeing
* @return 0 on success or -1 on failure
*/
int cvmx_pki_cluster_free(int node, u64 cluster_mask);
/**
* This function frees a pcam entry from node
* @param node node to allocate pcam entry from.
@param index index of pacm entry (0-191) needs to be freed.
* @param bank pcam bank where to free pcam entry from
* @param cluster_mask mask of clusters from which pcam entry is freed.
* @return 0 on success OR -1 on failure
*/
int cvmx_pki_pcam_entry_free(int node, int index, int bank, u64 cluster_mask);
/**
* This function allocates/reserves a bpid from pool of global bpid per node.
* @param node node to allocate bpid from.
* @param bpid bpid to allocate, if -1 it will be allocated
* first available boid from bpid resource. If index is positive
* number and in range, it will try to allocate specified bpid.
* @return bpid number on success,
* -1 on alloc failure.
* -2 on resource already reserved.
*/
int cvmx_pki_bpid_alloc(int node, int bpid);
/**
* This function frees a bpid from pool of global bpid per node.
* @param node node to free bpid from.
* @param bpid bpid to free
* @return 0 on success, -1 on failure or
*/
int cvmx_pki_bpid_free(int node, int bpid);
/**
* This function frees all the PKI software resources
* (clusters, styles, qpg_entry, pcam_entry etc) for the specified node
*/
/**
* This function allocates/reserves an index from pool of global MTAG-IDX per node.
* @param node node to allocate index from.
* @param idx index to allocate, if -1 it will be allocated
* @return MTAG index number on success,
* -1 on alloc failure.
* -2 on resource already reserved.
*/
int cvmx_pki_mtag_idx_alloc(int node, int idx);
/**
* This function frees an index from pool of global MTAG-IDX per node.
* @param node node to free bpid from.
* @param bpid bpid to free
* @return 0 on success, -1 on failure or
*/
int cvmx_pki_mtag_idx_free(int node, int idx);
void __cvmx_pki_global_rsrc_free(int node);
#endif /* __CVM_PKI_RESOURCES_H__ */
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