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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/s390/include/asm/ctl_reg.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/s390/include/asm/ctl_reg.h')
-rw-r--r--arch/s390/include/asm/ctl_reg.h146
1 files changed, 146 insertions, 0 deletions
diff --git a/arch/s390/include/asm/ctl_reg.h b/arch/s390/include/asm/ctl_reg.h
new file mode 100644
index 000000000..adf7d8cda
--- /dev/null
+++ b/arch/s390/include/asm/ctl_reg.h
@@ -0,0 +1,146 @@
+/* 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_FETCH_PROTECTION_OVERRIDE BIT(63 - 38)
+#define CR0_STORAGE_PROTECTION_OVERRIDE BIT(63 - 39)
+#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 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_clear_bit(int cr, int bit, bool set);
+
+static inline void ctl_set_bit(int cr, int bit)
+{
+ smp_ctl_set_clear_bit(cr, bit, true);
+}
+
+static inline void ctl_clear_bit(int cr, int bit)
+{
+ smp_ctl_set_clear_bit(cr, bit, false);
+}
+
+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 : 3;
+ unsigned long ccc : 1; /* Cryptography counter control */
+ unsigned long pec : 1; /* PAI extension control */
+ unsigned long : 17;
+ 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;
+ };
+};
+
+union ctlreg5 {
+ unsigned long val;
+ struct {
+ unsigned long : 33;
+ unsigned long pasteo: 25;
+ unsigned long : 6;
+ };
+};
+
+union ctlreg15 {
+ unsigned long val;
+ struct {
+ unsigned long lsea : 61;
+ unsigned long : 3;
+ };
+};
+
+#endif /* __ASSEMBLY__ */
+#endif /* __ASM_CTL_REG_H */