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authorHeiko Carstens <heiko.carstens@de.ibm.com>2017-03-13 16:15:06 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2017-03-22 08:29:17 +0100
commitcdd3bd9d618d7a4a3920a193e20ca40736b878e9 (patch)
treeed14b009396a34692b9cd487d16798b6e68cc882 /arch/s390/kernel/sysinfo.c
parentae5ca67acaf070ced4e3ba324160ad6a99637e71 (diff)
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: Christian Borntraeger <borntraeger@de.ibm.com> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/sysinfo.c')
-rw-r--r--arch/s390/kernel/sysinfo.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/s390/kernel/sysinfo.c b/arch/s390/kernel/sysinfo.c
index 1d4680e38378..eefcb54872a5 100644
--- a/arch/s390/kernel/sysinfo.c
+++ b/arch/s390/kernel/sysinfo.c
@@ -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);