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34 lines
1001 B
C
34 lines
1001 B
C
// SPDX-License-Identifier: BSD-2-Clause-Views
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/*
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* Copyright (c) 2022-2023 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 *mdev)
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{
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mdev->stats_rb = mqnic_find_reg_block(mdev->rb_list, MQNIC_RB_STATS_TYPE, MQNIC_RB_STATS_VER, 0);
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if (!mdev->stats_rb)
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return;
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mdev->stats_offset = ioread32(mdev->stats_rb->regs + MQNIC_RB_STATS_REG_OFFSET);
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mdev->stats_count = ioread32(mdev->stats_rb->regs + MQNIC_RB_STATS_REG_COUNT);
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mdev->stats_stride = ioread32(mdev->stats_rb->regs + MQNIC_RB_STATS_REG_STRIDE);
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mdev->stats_flags = ioread32(mdev->stats_rb->regs + MQNIC_RB_STATS_REG_FLAGS);
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}
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u64 mqnic_stats_read(struct mqnic_dev *mdev, int index)
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{
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u64 val;
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if (!mdev->stats_rb || index < 0 || index >= mdev->stats_count)
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return 0;
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val = (u64)ioread32(mdev->hw_addr + mdev->stats_offset + index*8 + 0);
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val |= (u64)ioread32(mdev->hw_addr + mdev->stats_offset + index*8 + 4) << 32;
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return val;
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}
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EXPORT_SYMBOL(mqnic_stats_read);
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