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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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mt76: mt7615: add queue entry in debugfs
Introduce mt7615_queues_read routine to dump hw queue related info. Add hw ac queues statistics in mt7615 debugfs Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
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@ -61,6 +61,63 @@ static int mt7615_read_temperature(struct seq_file *s, void *data)
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return 0;
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}
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static int
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mt7615_queues_acq(struct seq_file *s, void *data)
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{
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struct mt7615_dev *dev = dev_get_drvdata(s->private);
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int i;
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for (i = 0; i < 16; i++) {
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int j, acs = i / 4, index = i % 4;
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u32 ctrl, val, qlen = 0;
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val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, index));
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ctrl = BIT(31) | BIT(15) | (acs << 8);
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for (j = 0; j < 32; j++) {
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if (val & BIT(j))
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continue;
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mt76_wr(dev, MT_PLE_FL_Q0_CTRL,
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ctrl | (j + (index << 5)));
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qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL,
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GENMASK(11, 0));
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}
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seq_printf(s, "AC%d%d: queued=%d\n", acs, index, qlen);
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}
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return 0;
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}
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static int
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mt7615_queues_read(struct seq_file *s, void *data)
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{
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struct mt7615_dev *dev = dev_get_drvdata(s->private);
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static const struct {
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char *queue;
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int id;
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} queue_map[] = {
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{ "PDMA0", MT_TXQ_BE },
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{ "MCUQ", MT_TXQ_MCU },
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{ "MCUFWQ", MT_TXQ_FWDL },
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};
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int i;
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for (i = 0; i < ARRAY_SIZE(queue_map); i++) {
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struct mt76_sw_queue *q = &dev->mt76.q_tx[queue_map[i].id];
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if (!q->q)
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continue;
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seq_printf(s,
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"%s: queued=%d head=%d tail=%d\n",
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queue_map[i].queue, q->q->queued, q->q->head,
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q->q->tail);
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}
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return 0;
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}
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int mt7615_init_debugfs(struct mt7615_dev *dev)
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{
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struct dentry *dir;
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@ -69,6 +126,10 @@ int mt7615_init_debugfs(struct mt7615_dev *dev)
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if (!dir)
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return -ENOMEM;
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debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir,
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mt7615_queues_read);
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debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir,
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mt7615_queues_acq);
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debugfs_create_file("scs", 0600, dir, dev, &fops_scs);
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debugfs_create_devm_seqfile(dev->mt76.dev, "radio", dir,
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mt7615_radio_read);
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@ -65,6 +65,17 @@
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#define MT_WPDMA_ABT_CFG MT_HIF(0x530)
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#define MT_WPDMA_ABT_CFG1 MT_HIF(0x534)
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#define MT_PLE_BASE 0x8000
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#define MT_PLE(ofs) (MT_PLE_BASE + (ofs))
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#define MT_PLE_FL_Q0_CTRL MT_PLE(0x1b0)
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#define MT_PLE_FL_Q1_CTRL MT_PLE(0x1b4)
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#define MT_PLE_FL_Q2_CTRL MT_PLE(0x1b8)
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#define MT_PLE_FL_Q3_CTRL MT_PLE(0x1bc)
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#define MT_PLE_AC_QEMPTY(ac, n) MT_PLE(0x300 + 0x10 * (ac) + \
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((n) << 2))
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#define MT_WF_PHY_BASE 0x10000
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#define MT_WF_PHY(ofs) (MT_WF_PHY_BASE + (ofs))
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