Commit 320c04c0 authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
Browse files

[S390] Move stfle to header file.



stfle will be needed by the ap_bus module to figure out wether the AP
queue adapter interruption facility is installed.
Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent ca9fc75a
......@@ -12,6 +12,7 @@
#define __ASM_SYSTEM_H
#include <linux/kernel.h>
#include <linux/errno.h>
#include <asm/types.h>
#include <asm/ptrace.h>
#include <asm/setup.h>
......@@ -413,8 +414,6 @@ __set_psw_mask(unsigned long mask)
#define local_mcck_enable() __set_psw_mask(psw_kernel_bits)
#define local_mcck_disable() __set_psw_mask(psw_kernel_bits & ~PSW_MASK_MCHECK)
int stfle(unsigned long long *list, int doublewords);
#ifdef CONFIG_SMP
extern void smp_ctl_set_bit(int cr, int bit);
......@@ -438,6 +437,23 @@ static inline unsigned int stfl(void)
return S390_lowcore.stfl_fac_list;
}
static inline int __stfle(unsigned long long *list, int doublewords)
{
typedef struct { unsigned long long _[doublewords]; } addrtype;
register unsigned long __nr asm("0") = doublewords - 1;
asm volatile(".insn s,0xb2b00000,%0" /* stfle */
: "=m" (*(addrtype *) list), "+d" (__nr) : : "cc");
return __nr + 1;
}
static inline int stfle(unsigned long long *list, int doublewords)
{
if (!(stfl() & (1UL << 24)))
return -EOPNOTSUPP;
return __stfle(list, doublewords);
}
static inline unsigned short stap(void)
{
unsigned short cpu_address;
......
......@@ -651,23 +651,6 @@ setup_memory(void)
#endif
}
static int __init __stfle(unsigned long long *list, int doublewords)
{
typedef struct { unsigned long long _[doublewords]; } addrtype;
register unsigned long __nr asm("0") = doublewords - 1;
asm volatile(".insn s,0xb2b00000,%0" /* stfle */
: "=m" (*(addrtype *) list), "+d" (__nr) : : "cc");
return __nr + 1;
}
int __init stfle(unsigned long long *list, int doublewords)
{
if (!(stfl() & (1UL << 24)))
return -EOPNOTSUPP;
return __stfle(list, doublewords);
}
/*
* Setup hardware capabilities.
*/
......
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