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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | /* 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/bits.h> #define CR0_CLOCK_COMPARATOR_SIGN BIT(63 - 10) #define CR0_LOW_ADDRESS_PROTECTION BIT(63 - 35) #define CR0_EMERGENCY_SIGNAL_SUBMASK BIT(63 - 49) #define CR0_EXTERNAL_CALL_SUBMASK BIT(63 - 50) #define CR0_CLOCK_COMPARATOR_SUBMASK BIT(63 - 52) #define CR0_CPU_TIMER_SUBMASK BIT(63 - 53) #define CR0_SERVICE_SIGNAL_SUBMASK BIT(63 - 54) #define CR0_UNUSED_56 BIT(63 - 56) #define CR0_INTERRUPT_KEY_SUBMASK BIT(63 - 57) #define CR0_MEASUREMENT_ALERT_SUBMASK BIT(63 - 58) #define CR2_GUARDED_STORAGE BIT(63 - 59) #define CR14_UNUSED_32 BIT(63 - 32) #define CR14_UNUSED_33 BIT(63 - 33) #define CR14_CHANNEL_REPORT_SUBMASK BIT(63 - 35) #define CR14_RECOVERY_SUBMASK BIT(63 - 36) #define CR14_DEGRADATION_SUBMASK BIT(63 - 37) #define CR14_EXTERNAL_DAMAGE_SUBMASK BIT(63 - 38) #define CR14_WARNING_SUBMASK BIT(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 __always_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 __always_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; }; }; #define ctl_set_bit(cr, bit) smp_ctl_set_bit(cr, bit) #define ctl_clear_bit(cr, bit) smp_ctl_clear_bit(cr, bit) #endif /* __ASSEMBLY__ */ #endif /* __ASM_CTL_REG_H */ |