aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorHendrik Brueckner <brueckner@linux.vnet.ibm.com>2018-01-24 16:19:53 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2018-02-02 10:47:15 +0100
commit5260b0f50cf371d7a0920fd163571adfd80e2109 (patch)
tree2c795f0a277e8dcf9c410c184ccd7572e135cafc
parents390/docs: reword airq section (diff)
downloadlinux-dev-5260b0f50cf371d7a0920fd163571adfd80e2109.tar.xz
linux-dev-5260b0f50cf371d7a0920fd163571adfd80e2109.zip
s390/sysinfo: add and display licensed internal code identifier
With z14, the store system information instruction provides an licensed internal code identifier. Display it in /proc/sysinfo. For more information, see the z/Architecture Principles of Operation. (SA22-7832-11). Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
-rw-r--r--arch/s390/include/asm/sysinfo.h3
-rw-r--r--arch/s390/kernel/sysinfo.c2
2 files changed, 4 insertions, 1 deletions
diff --git a/arch/s390/include/asm/sysinfo.h b/arch/s390/include/asm/sysinfo.h
index 25057c118d56..fe7b3f8f0791 100644
--- a/arch/s390/include/asm/sysinfo.h
+++ b/arch/s390/include/asm/sysinfo.h
@@ -21,7 +21,8 @@ struct sysinfo_1_1_1 {
unsigned char :8;
unsigned char ccr;
unsigned char cai;
- char reserved_0[28];
+ char reserved_0[20];
+ unsigned long lic;
char manufacturer[16];
char type[4];
char reserved_1[12];
diff --git a/arch/s390/kernel/sysinfo.c b/arch/s390/kernel/sysinfo.c
index a441cba8d165..fc7e04c2195b 100644
--- a/arch/s390/kernel/sysinfo.c
+++ b/arch/s390/kernel/sysinfo.c
@@ -89,6 +89,8 @@ static void stsi_1_1_1(struct seq_file *m, struct sysinfo_1_1_1 *info)
EBCASC(info->model_temp_cap, sizeof(info->model_temp_cap));
seq_printf(m, "Manufacturer: %-16.16s\n", info->manufacturer);
seq_printf(m, "Type: %-4.4s\n", info->type);
+ if (info->lic)
+ seq_printf(m, "LIC Identifier: %016lx\n", info->lic);
/*
* Sigh: the model field has been renamed with System z9
* to model_capacity and a new model field has been added