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