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EDAC, mce_amd_inj: Add hw-injection attributes

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Expose struct mce->inject_flags.

Signed-off-by: Borislav Petkov <bp@suse.de>
This commit is contained in:
Borislav Petkov 2014-11-22 11:35:26 +01:00
parent 21690934d9
commit b18f3864bf
1 changed files with 40 additions and 0 deletions
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40
drivers/edac/mce_amd_inj.c
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@ -78,6 +78,44 @@ static int toggle_hw_mce_inject(unsigned int cpu, bool enable)
return err;
}
static int flags_get(void *data, u64 *val)
{
struct mce *m = (struct mce *)data;
*val = m->inject_flags;
return 0;
}
static int flags_set(void *data, u64 val)
{
struct mce *m = (struct mce *)data;
m->inject_flags = (u8)val;
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(flags_fops, flags_get, flags_set, "%llu\n");
/*
* On which CPU to inject?
*/
MCE_INJECT_GET(extcpu);
static int inj_extcpu_set(void *data, u64 val)
{
struct mce *m = (struct mce *)data;
if (val >= nr_cpu_ids || !cpu_online(val)) {
pr_err("%s: Invalid CPU: %llu\n", __func__, val);
return -EINVAL;
}
m->extcpu = val;
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(extcpu_fops, inj_extcpu_get, inj_extcpu_set, "%llu\n");
/*
* This denotes into which bank we're injecting and triggers
* the injection, at the same time.
@ -119,6 +157,8 @@ struct dfs_node {
{ .name = "misc", .fops = &misc_fops },
{ .name = "addr", .fops = &addr_fops },
{ .name = "bank", .fops = &bank_fops },
{ .name = "flags", .fops = &flags_fops },
{ .name = "cpu", .fops = &extcpu_fops },
};
static int __init init_mce_inject(void)