EDAC, mce_amd_inj: Add hw-injection attributes (b18f3864) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/edac/mce_amd_inj.c

+40 −0

Original line number	Diff line number	Diff line
		@@ -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)