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33 lines
1.0 KiB
C
33 lines
1.0 KiB
C
// SPDX-License-Identifier: BSD-2-Clause-Views
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/*
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* Copyright (c) 2023 The Regents of the University of California
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*/
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#include "mqnic.h"
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void mqnic_stats_init(struct mqnic *dev)
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{
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dev->stats_rb = mqnic_find_reg_block(dev->rb_list, MQNIC_RB_STATS_TYPE, MQNIC_RB_STATS_VER, 0);
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if (!dev->stats_rb)
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return;
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dev->stats_offset = mqnic_reg_read32(dev->stats_rb->regs, MQNIC_RB_STATS_REG_OFFSET);
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dev->stats_count = mqnic_reg_read32(dev->stats_rb->regs, MQNIC_RB_STATS_REG_COUNT);
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dev->stats_stride = mqnic_reg_read32(dev->stats_rb->regs, MQNIC_RB_STATS_REG_STRIDE);
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dev->stats_flags = mqnic_reg_read32(dev->stats_rb->regs, MQNIC_RB_STATS_REG_FLAGS);
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}
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uint64_t mqnic_stats_read(struct mqnic *dev, int index)
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{
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uint64_t val;
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if (!dev->stats_rb || index < 0 || index >= dev->stats_count)
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return 0;
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val = (uint64_t)mqnic_reg_read32(dev->regs, dev->stats_offset + index*8 + 0);
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val |= (uint64_t)mqnic_reg_read32(dev->regs, dev->stats_offset + index*8 + 4) << 32;
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return val;
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}
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