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s390/sysinfo: add and display licensed internal code identifier

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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>
This commit is contained in:
Hendrik Brueckner 2018-01-24 16:19:53 +01:00 committed by Martin Schwidefsky
parent 0f0929bc5c
commit 5260b0f50c
2 changed files with 4 additions and 1 deletions
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3
arch/s390/include/asm/sysinfo.h
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@ -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];

2
arch/s390/kernel/sysinfo.c
View file

@ -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