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fe6ba88b25
Now that BIT() can be used from assembly code, we can safely replace _BITUL() with equivalent BIT(). UAPI headers are still required to use _BITUL(), but there is no more reason to use it in kernel headers. BIT() is shorter. Link: http://lkml.kernel.org/r/20190609153941.17249-2-yamada.masahiro@socionext.com Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
120 lines
3.2 KiB
C
120 lines
3.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright IBM Corp. 1999, 2009
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*
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* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
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*/
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#ifndef __ASM_CTL_REG_H
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#define __ASM_CTL_REG_H
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#include <linux/bits.h>
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#define CR0_CLOCK_COMPARATOR_SIGN BIT(63 - 10)
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#define CR0_EMERGENCY_SIGNAL_SUBMASK BIT(63 - 49)
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#define CR0_EXTERNAL_CALL_SUBMASK BIT(63 - 50)
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#define CR0_CLOCK_COMPARATOR_SUBMASK BIT(63 - 52)
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#define CR0_CPU_TIMER_SUBMASK BIT(63 - 53)
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#define CR0_SERVICE_SIGNAL_SUBMASK BIT(63 - 54)
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#define CR0_UNUSED_56 BIT(63 - 56)
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#define CR0_INTERRUPT_KEY_SUBMASK BIT(63 - 57)
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#define CR0_MEASUREMENT_ALERT_SUBMASK BIT(63 - 58)
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#define CR2_GUARDED_STORAGE BIT(63 - 59)
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#define CR14_UNUSED_32 BIT(63 - 32)
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#define CR14_UNUSED_33 BIT(63 - 33)
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#define CR14_CHANNEL_REPORT_SUBMASK BIT(63 - 35)
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#define CR14_RECOVERY_SUBMASK BIT(63 - 36)
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#define CR14_DEGRADATION_SUBMASK BIT(63 - 37)
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#define CR14_EXTERNAL_DAMAGE_SUBMASK BIT(63 - 38)
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#define CR14_WARNING_SUBMASK BIT(63 - 39)
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#ifndef __ASSEMBLY__
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#include <linux/bug.h>
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#define __ctl_load(array, low, high) do { \
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typedef struct { char _[sizeof(array)]; } addrtype; \
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\
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BUILD_BUG_ON(sizeof(addrtype) != (high - low + 1) * sizeof(long));\
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asm volatile( \
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" lctlg %1,%2,%0\n" \
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: \
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: "Q" (*(addrtype *)(&array)), "i" (low), "i" (high) \
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: "memory"); \
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} while (0)
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#define __ctl_store(array, low, high) do { \
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typedef struct { char _[sizeof(array)]; } addrtype; \
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\
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BUILD_BUG_ON(sizeof(addrtype) != (high - low + 1) * sizeof(long));\
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asm volatile( \
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" stctg %1,%2,%0\n" \
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: "=Q" (*(addrtype *)(&array)) \
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: "i" (low), "i" (high)); \
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} while (0)
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static __always_inline void __ctl_set_bit(unsigned int cr, unsigned int bit)
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{
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unsigned long reg;
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__ctl_store(reg, cr, cr);
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reg |= 1UL << bit;
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__ctl_load(reg, cr, cr);
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}
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static __always_inline void __ctl_clear_bit(unsigned int cr, unsigned int bit)
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{
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unsigned long reg;
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__ctl_store(reg, cr, cr);
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reg &= ~(1UL << bit);
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__ctl_load(reg, cr, cr);
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}
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void smp_ctl_set_bit(int cr, int bit);
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void smp_ctl_clear_bit(int cr, int bit);
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union ctlreg0 {
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unsigned long val;
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struct {
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unsigned long : 8;
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unsigned long tcx : 1; /* Transactional-Execution control */
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unsigned long pifo : 1; /* Transactional-Execution Program-
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Interruption-Filtering Override */
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unsigned long : 22;
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unsigned long : 3;
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unsigned long lap : 1; /* Low-address-protection control */
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unsigned long : 4;
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unsigned long edat : 1; /* Enhanced-DAT-enablement control */
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unsigned long : 2;
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unsigned long iep : 1; /* Instruction-Execution-Protection */
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unsigned long : 1;
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unsigned long afp : 1; /* AFP-register control */
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unsigned long vx : 1; /* Vector enablement control */
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unsigned long : 7;
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unsigned long sssm : 1; /* Service signal subclass mask */
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unsigned long : 9;
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};
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};
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union ctlreg2 {
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unsigned long val;
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struct {
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unsigned long : 33;
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unsigned long ducto : 25;
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unsigned long : 1;
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unsigned long gse : 1;
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unsigned long : 1;
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unsigned long tds : 1;
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unsigned long tdc : 2;
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};
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};
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#define ctl_set_bit(cr, bit) smp_ctl_set_bit(cr, bit)
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#define ctl_clear_bit(cr, bit) smp_ctl_clear_bit(cr, bit)
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#endif /* __ASSEMBLY__ */
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#endif /* __ASM_CTL_REG_H */
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