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Commit cdd3bd9d authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
Browse files

s390/sysinfo: provide remaining stsi information via debugfs 



Provide the remaining stsi information via debugfs files. This also
might be useful for debugging purposes.

Suggested-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Acked-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent ae5ca67a

arch/s390/kernel/sysinfo.c

+19 −1
Original line number Diff line number Diff line
@@ -522,6 +522,12 @@ static ssize_t stsi_read(struct file *file, char __user *buf, size_t size, loff_ 
	return simple_read_from_buffer(buf, size, ppos, file->private_data, PAGE_SIZE);

}



STSI_FILE( 1, 1, 1);

STSI_FILE( 1, 2, 1);

STSI_FILE( 1, 2, 2);

STSI_FILE( 2, 2, 1);

STSI_FILE( 2, 2, 2);

STSI_FILE( 3, 2, 2);

STSI_FILE(15, 1, 2);

STSI_FILE(15, 1, 3);

STSI_FILE(15, 1, 4);
@@ -534,6 +540,12 @@ struct stsi_file { 
};



static struct stsi_file stsi_file[] __initdata = {

	{.fops = &stsi_1_1_1_fs_ops,  .name =  "1_1_1"},

	{.fops = &stsi_1_2_1_fs_ops,  .name =  "1_2_1"},

	{.fops = &stsi_1_2_2_fs_ops,  .name =  "1_2_2"},

	{.fops = &stsi_2_2_1_fs_ops,  .name =  "2_2_1"},

	{.fops = &stsi_2_2_2_fs_ops,  .name =  "2_2_2"},

	{.fops = &stsi_3_2_2_fs_ops,  .name =  "3_2_2"},

	{.fops = &stsi_15_1_2_fs_ops, .name = "15_1_2"},

	{.fops = &stsi_15_1_3_fs_ops, .name = "15_1_3"},

	{.fops = &stsi_15_1_4_fs_ops, .name = "15_1_4"},
@@ -541,15 +553,21 @@ static struct stsi_file stsi_file[] __initdata = { 
	{.fops = &stsi_15_1_6_fs_ops, .name = "15_1_6"},

};



static u8 stsi_0_0_0;



static __init int stsi_init_debugfs(void)

{

	struct dentry *stsi_root;

	struct stsi_file *sf;

	int i;

	int lvl, i;



	stsi_root = debugfs_create_dir("stsi", arch_debugfs_dir);

	if (IS_ERR_OR_NULL(stsi_root))

		return 0;

	lvl = stsi(NULL, 0, 0, 0);

	if (lvl > 0)

		stsi_0_0_0 = lvl;

	debugfs_create_u8("0_0_0", 0400, stsi_root, &stsi_0_0_0);

	for (i = 0; i < ARRAY_SIZE(stsi_file); i++) {

		sf = &stsi_file[i];

		debugfs_create_file(sf->name, 0400, stsi_root, NULL, sf->fops);