mirror of
https://github.com/corundum/corundum.git
synced 2025-01-16 08:12:53 +08:00
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
// SPDX-License-Identifier: BSD-2-Clause-Views
|
|
/*
|
|
* Copyright (c) 2019-2023 The Regents of the University of California
|
|
*/
|
|
|
|
#include "mqnic.h"
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
struct mqnic_sched *mqnic_sched_open(struct mqnic_sched_block *block, int index, struct mqnic_reg_block *rb)
|
|
{
|
|
struct mqnic_sched *sched = calloc(1, sizeof(struct mqnic_sched));
|
|
|
|
if (!sched)
|
|
return NULL;
|
|
|
|
sched->mqnic = block->mqnic;
|
|
sched->interface = block->interface;
|
|
sched->sched_block = block;
|
|
|
|
sched->index = index;
|
|
|
|
sched->rb = rb;
|
|
sched->regs = rb->base + mqnic_reg_read32(rb->regs, MQNIC_RB_SCHED_RR_REG_OFFSET);
|
|
|
|
if (sched->regs >= block->interface->regs+block->interface->regs_size)
|
|
{
|
|
fprintf(stderr, "Error: computed pointer out of range\n");
|
|
goto fail;
|
|
}
|
|
|
|
sched->type = rb->type;
|
|
sched->offset = mqnic_reg_read32(rb->regs, MQNIC_RB_SCHED_RR_REG_OFFSET);
|
|
sched->channel_count = mqnic_reg_read32(rb->regs, MQNIC_RB_SCHED_RR_REG_CH_COUNT);
|
|
sched->channel_stride = mqnic_reg_read32(rb->regs, MQNIC_RB_SCHED_RR_REG_CH_STRIDE);
|
|
|
|
return sched;
|
|
|
|
fail:
|
|
mqnic_sched_close(sched);
|
|
return NULL;
|
|
}
|
|
|
|
void mqnic_sched_close(struct mqnic_sched *sched)
|
|
{
|
|
if (!sched)
|
|
return;
|
|
|
|
free(sched);
|
|
}
|