iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

s390/diag: Add busy-indication-facility requirements

Browse Source 
To verify if busy indication facility is installed or not sclp bits has
to be checked. Add a function that checks sclp to improve readability.
Add busy-indication-request bit mask for diag204 subcodes.

Acked-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Tobias Huschle <huschle@linux.ibm.com>
Signed-off-by: Mete Durlu <meted@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Mete Durlu 2024-07-04 14:10:07 +02:00 committed by Vasily Gorbik
parent df7e714d6d
commit 97999f8c62
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
arch/s390/include/asm/diag.h
View File

@ -12,6 +12,7 @@
#include <linux/if_ether.h>
#include <linux/percpu.h>
#include <asm/asm-extable.h>
#include <asm/sclp.h>
#include <asm/cio.h>
enum diag_stat_enum {
@ -117,6 +118,7 @@ enum diag204_sc {
};
#define DIAG204_SUBCODE_MASK 0xffff
#define DIAG204_BIF_BIT 0x80000000
/* The two available diag 204 data formats */
enum diag204_format {
@ -326,6 +328,11 @@ union diag318_info {
};
};
static inline bool diag204_has_bif(void)
{
return sclp.has_diag204_bif;
}
int diag204(unsigned long subcode, unsigned long size, void *addr);
int diag224(void *ptr);
int diag26c(void *req, void *resp, enum diag26c_sc subcode);