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// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
* Copyright(c) 2017 Intel Corporation.
*/
#include "exp_rcv.h"
#include "trace.h"
/**
* hfi1_exp_tid_set_init - initialize exp_tid_set
* @set: the set
*/
static void hfi1_exp_tid_set_init(struct exp_tid_set *set)
{
INIT_LIST_HEAD(&set->list);
set->count = 0;
}
/**
* hfi1_exp_tid_group_init - initialize rcd expected receive
* @rcd: the rcd
*/
void hfi1_exp_tid_group_init(struct hfi1_ctxtdata *rcd)
{
hfi1_exp_tid_set_init(&rcd->tid_group_list);
hfi1_exp_tid_set_init(&rcd->tid_used_list);
hfi1_exp_tid_set_init(&rcd->tid_full_list);
}
/**
* hfi1_alloc_ctxt_rcv_groups - initialize expected receive groups
* @rcd: the context to add the groupings to
*/
int hfi1_alloc_ctxt_rcv_groups(struct hfi1_ctxtdata *rcd)
{
struct hfi1_devdata *dd = rcd->dd;
u32 tidbase;
struct tid_group *grp;
int i;
u32 ngroups;
ngroups = rcd->expected_count / dd->rcv_entries.group_size;
rcd->groups =
kcalloc_node(ngroups, sizeof(*rcd->groups),
GFP_KERNEL, rcd->numa_id);
if (!rcd->groups)
return -ENOMEM;
tidbase = rcd->expected_base;
for (i = 0; i < ngroups; i++) {
grp = &rcd->groups[i];
grp->size = dd->rcv_entries.group_size;
grp->base = tidbase;
tid_group_add_tail(grp, &rcd->tid_group_list);
tidbase += dd->rcv_entries.group_size;
}
return 0;
}
/**
* hfi1_free_ctxt_rcv_groups - free expected receive groups
* @rcd: the context to free
*
* The routine dismantles the expect receive linked
* list and clears any tids associated with the receive
* context.
*
* This should only be called for kernel contexts and the
* a base user context.
*/
void hfi1_free_ctxt_rcv_groups(struct hfi1_ctxtdata *rcd)
{
kfree(rcd->groups);
rcd->groups = NULL;
hfi1_exp_tid_group_init(rcd);
hfi1_clear_tids(rcd);
}
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