edac: allow specifying the error count with fake_inject
In order to test if the error counters are properly incremented, add a way to specify how many errors were generated by a trace. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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69154d0698
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38ced28b21
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@ -812,18 +812,24 @@ static ssize_t edac_fake_inject_write(struct file *file,
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struct device *dev = file->private_data;
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struct device *dev = file->private_data;
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struct mem_ctl_info *mci = to_mci(dev);
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struct mem_ctl_info *mci = to_mci(dev);
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static enum hw_event_mc_err_type type;
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static enum hw_event_mc_err_type type;
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u16 errcount = mci->fake_inject_count;
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if (!errcount)
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errcount = 1;
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type = mci->fake_inject_ue ? HW_EVENT_ERR_UNCORRECTED
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type = mci->fake_inject_ue ? HW_EVENT_ERR_UNCORRECTED
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: HW_EVENT_ERR_CORRECTED;
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: HW_EVENT_ERR_CORRECTED;
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printk(KERN_DEBUG
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printk(KERN_DEBUG
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"Generating a %s fake error to %d.%d.%d to test core handling. NOTE: this won't test the driver-specific decoding logic.\n",
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"Generating %d %s fake error%s to %d.%d.%d to test core handling. NOTE: this won't test the driver-specific decoding logic.\n",
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errcount,
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(type == HW_EVENT_ERR_UNCORRECTED) ? "UE" : "CE",
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(type == HW_EVENT_ERR_UNCORRECTED) ? "UE" : "CE",
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errcount > 1 ? "s" : "",
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mci->fake_inject_layer[0],
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mci->fake_inject_layer[0],
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mci->fake_inject_layer[1],
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mci->fake_inject_layer[1],
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mci->fake_inject_layer[2]
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mci->fake_inject_layer[2]
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);
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);
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edac_mc_handle_error(type, mci, 1, 0, 0, 0,
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edac_mc_handle_error(type, mci, errcount, 0, 0, 0,
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mci->fake_inject_layer[0],
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mci->fake_inject_layer[0],
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mci->fake_inject_layer[1],
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mci->fake_inject_layer[1],
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mci->fake_inject_layer[2],
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mci->fake_inject_layer[2],
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@ -944,6 +950,11 @@ int edac_create_debug_nodes(struct mem_ctl_info *mci)
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if (!d)
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if (!d)
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goto nomem;
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goto nomem;
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d = debugfs_create_u16("fake_inject_count", S_IRUGO | S_IWUSR, parent,
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&mci->fake_inject_count);
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if (!d)
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goto nomem;
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d = debugfs_create_file("fake_inject", S_IWUSR, parent,
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d = debugfs_create_file("fake_inject", S_IWUSR, parent,
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&mci->dev,
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&mci->dev,
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&debug_fake_inject_fops);
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&debug_fake_inject_fops);
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@ -665,6 +665,7 @@ struct mem_ctl_info {
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struct dentry *debugfs;
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struct dentry *debugfs;
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u8 fake_inject_layer[EDAC_MAX_LAYERS];
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u8 fake_inject_layer[EDAC_MAX_LAYERS];
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u32 fake_inject_ue;
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u32 fake_inject_ue;
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u16 fake_inject_count;
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#endif
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#endif
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};
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};
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