mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-16 15:46:41 +07:00
b9224cd738
In KVM code we use masks to test/set control registers. Let's define the ones we use in arch/s390/include/asm/ctl_reg.h and replace all occurrences in KVM code. As we will be needing the define for Clock-comparator sign control soon, let's also add it. Suggested-by: Collin L. Walling <walling@linux.ibm.com> Signed-off-by: David Hildenbrand <david@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Collin Walling <walling@linux.ibm.com> Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com> Acked-by: Janosch Frank <frankja@linux.ibm.com> Signed-off-by: Janosch Frank <frankja@linux.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
125 lines
3.4 KiB
C
125 lines
3.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright IBM Corp. 1999, 2009
|
|
*
|
|
* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
|
|
*/
|
|
|
|
#ifndef __ASM_CTL_REG_H
|
|
#define __ASM_CTL_REG_H
|
|
|
|
#include <linux/const.h>
|
|
|
|
#define CR0_CLOCK_COMPARATOR_SIGN _BITUL(63 - 10)
|
|
#define CR0_EMERGENCY_SIGNAL_SUBMASK _BITUL(63 - 49)
|
|
#define CR0_EXTERNAL_CALL_SUBMASK _BITUL(63 - 50)
|
|
#define CR0_CLOCK_COMPARATOR_SUBMASK _BITUL(63 - 52)
|
|
#define CR0_CPU_TIMER_SUBMASK _BITUL(63 - 53)
|
|
#define CR0_SERVICE_SIGNAL_SUBMASK _BITUL(63 - 54)
|
|
#define CR0_UNUSED_56 _BITUL(63 - 56)
|
|
#define CR0_INTERRUPT_KEY_SUBMASK _BITUL(63 - 57)
|
|
#define CR0_MEASUREMENT_ALERT_SUBMASK _BITUL(63 - 58)
|
|
|
|
#define CR2_GUARDED_STORAGE _BITUL(63 - 59)
|
|
|
|
#define CR14_UNUSED_32 _BITUL(63 - 32)
|
|
#define CR14_UNUSED_33 _BITUL(63 - 33)
|
|
#define CR14_CHANNEL_REPORT_SUBMASK _BITUL(63 - 35)
|
|
#define CR14_RECOVERY_SUBMASK _BITUL(63 - 36)
|
|
#define CR14_DEGRADATION_SUBMASK _BITUL(63 - 37)
|
|
#define CR14_EXTERNAL_DAMAGE_SUBMASK _BITUL(63 - 38)
|
|
#define CR14_WARNING_SUBMASK _BITUL(63 - 39)
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
#include <linux/bug.h>
|
|
|
|
#define __ctl_load(array, low, high) do { \
|
|
typedef struct { char _[sizeof(array)]; } addrtype; \
|
|
\
|
|
BUILD_BUG_ON(sizeof(addrtype) != (high - low + 1) * sizeof(long));\
|
|
asm volatile( \
|
|
" lctlg %1,%2,%0\n" \
|
|
: \
|
|
: "Q" (*(addrtype *)(&array)), "i" (low), "i" (high) \
|
|
: "memory"); \
|
|
} while (0)
|
|
|
|
#define __ctl_store(array, low, high) do { \
|
|
typedef struct { char _[sizeof(array)]; } addrtype; \
|
|
\
|
|
BUILD_BUG_ON(sizeof(addrtype) != (high - low + 1) * sizeof(long));\
|
|
asm volatile( \
|
|
" stctg %1,%2,%0\n" \
|
|
: "=Q" (*(addrtype *)(&array)) \
|
|
: "i" (low), "i" (high)); \
|
|
} while (0)
|
|
|
|
static inline void __ctl_set_bit(unsigned int cr, unsigned int bit)
|
|
{
|
|
unsigned long reg;
|
|
|
|
__ctl_store(reg, cr, cr);
|
|
reg |= 1UL << bit;
|
|
__ctl_load(reg, cr, cr);
|
|
}
|
|
|
|
static inline void __ctl_clear_bit(unsigned int cr, unsigned int bit)
|
|
{
|
|
unsigned long reg;
|
|
|
|
__ctl_store(reg, cr, cr);
|
|
reg &= ~(1UL << bit);
|
|
__ctl_load(reg, cr, cr);
|
|
}
|
|
|
|
void smp_ctl_set_bit(int cr, int bit);
|
|
void smp_ctl_clear_bit(int cr, int bit);
|
|
|
|
union ctlreg0 {
|
|
unsigned long val;
|
|
struct {
|
|
unsigned long : 8;
|
|
unsigned long tcx : 1; /* Transactional-Execution control */
|
|
unsigned long pifo : 1; /* Transactional-Execution Program-
|
|
Interruption-Filtering Override */
|
|
unsigned long : 22;
|
|
unsigned long : 3;
|
|
unsigned long lap : 1; /* Low-address-protection control */
|
|
unsigned long : 4;
|
|
unsigned long edat : 1; /* Enhanced-DAT-enablement control */
|
|
unsigned long : 2;
|
|
unsigned long iep : 1; /* Instruction-Execution-Protection */
|
|
unsigned long : 1;
|
|
unsigned long afp : 1; /* AFP-register control */
|
|
unsigned long vx : 1; /* Vector enablement control */
|
|
unsigned long : 7;
|
|
unsigned long sssm : 1; /* Service signal subclass mask */
|
|
unsigned long : 9;
|
|
};
|
|
};
|
|
|
|
union ctlreg2 {
|
|
unsigned long val;
|
|
struct {
|
|
unsigned long : 33;
|
|
unsigned long ducto : 25;
|
|
unsigned long : 1;
|
|
unsigned long gse : 1;
|
|
unsigned long : 1;
|
|
unsigned long tds : 1;
|
|
unsigned long tdc : 2;
|
|
};
|
|
};
|
|
|
|
#ifdef CONFIG_SMP
|
|
# define ctl_set_bit(cr, bit) smp_ctl_set_bit(cr, bit)
|
|
# define ctl_clear_bit(cr, bit) smp_ctl_clear_bit(cr, bit)
|
|
#else
|
|
# define ctl_set_bit(cr, bit) __ctl_set_bit(cr, bit)
|
|
# define ctl_clear_bit(cr, bit) __ctl_clear_bit(cr, bit)
|
|
#endif
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
#endif /* __ASM_CTL_REG_H */
|