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EDAC, mce_amd_inj: Add hw-injection attributes
Expose struct mce->inject_flags. Signed-off-by: Borislav Petkov <bp@suse.de>
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21690934d9
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1 changed files with 40 additions and 0 deletions
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@ -78,6 +78,44 @@ static int toggle_hw_mce_inject(unsigned int cpu, bool enable)
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return err;
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}
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static int flags_get(void *data, u64 *val)
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{
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struct mce *m = (struct mce *)data;
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*val = m->inject_flags;
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return 0;
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}
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static int flags_set(void *data, u64 val)
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{
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struct mce *m = (struct mce *)data;
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m->inject_flags = (u8)val;
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return 0;
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}
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DEFINE_SIMPLE_ATTRIBUTE(flags_fops, flags_get, flags_set, "%llu\n");
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/*
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* On which CPU to inject?
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*/
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MCE_INJECT_GET(extcpu);
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static int inj_extcpu_set(void *data, u64 val)
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{
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struct mce *m = (struct mce *)data;
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if (val >= nr_cpu_ids || !cpu_online(val)) {
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pr_err("%s: Invalid CPU: %llu\n", __func__, val);
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return -EINVAL;
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}
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m->extcpu = val;
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return 0;
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}
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DEFINE_SIMPLE_ATTRIBUTE(extcpu_fops, inj_extcpu_get, inj_extcpu_set, "%llu\n");
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/*
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* This denotes into which bank we're injecting and triggers
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* the injection, at the same time.
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@ -119,6 +157,8 @@ struct dfs_node {
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{ .name = "misc", .fops = &misc_fops },
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{ .name = "addr", .fops = &addr_fops },
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{ .name = "bank", .fops = &bank_fops },
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{ .name = "flags", .fops = &flags_fops },
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{ .name = "cpu", .fops = &extcpu_fops },
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};
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static int __init init_mce_inject(void)
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