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https://github.com/corundum/corundum.git
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698fd2f104
Signed-off-by: Alex Forencich <alex@alexforencich.com>
80 lines
2.7 KiB
C
80 lines
2.7 KiB
C
/*
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Copyright 2019-2022, The Regents of the University of California.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE REGENTS OF THE UNIVERSITY OF CALIFORNIA ''AS
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IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE REGENTS OF THE UNIVERSITY OF CALIFORNIA OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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OF SUCH DAMAGE.
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The views and conclusions contained in the software and documentation are those
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of the authors and should not be interpreted as representing official policies,
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either expressed or implied, of The Regents of the University of California.
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*/
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#include "mqnic.h"
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#include <stdio.h>
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#include <stdlib.h>
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struct mqnic_sched *mqnic_sched_open(struct mqnic_sched_block *block, int index, struct mqnic_reg_block *rb)
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{
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struct mqnic_sched *sched = calloc(1, sizeof(struct mqnic_sched));
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if (!sched)
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return NULL;
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sched->mqnic = block->mqnic;
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sched->interface = block->interface;
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sched->sched_block = block;
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sched->index = index;
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sched->rb = rb;
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sched->regs = rb->base + mqnic_reg_read32(rb->regs, MQNIC_RB_SCHED_RR_REG_OFFSET);
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if (sched->regs >= block->interface->regs+block->interface->regs_size)
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{
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fprintf(stderr, "Error: computed pointer out of range\n");
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goto fail;
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}
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sched->type = rb->type;
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sched->offset = mqnic_reg_read32(rb->regs, MQNIC_RB_SCHED_RR_REG_OFFSET);
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sched->channel_count = mqnic_reg_read32(rb->regs, MQNIC_RB_SCHED_RR_REG_CH_COUNT);
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sched->channel_stride = mqnic_reg_read32(rb->regs, MQNIC_RB_SCHED_RR_REG_CH_STRIDE);
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return sched;
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fail:
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mqnic_sched_close(sched);
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return NULL;
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}
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void mqnic_sched_close(struct mqnic_sched *sched)
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{
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if (!sched)
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return;
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free(sched);
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}
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