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-rw-r--r--arch/s390/include/asm/abs_lowcore.h17
-rw-r--r--arch/s390/include/asm/ccwdev.h1
-rw-r--r--arch/s390/include/asm/ctl_reg.h3
-rw-r--r--arch/s390/include/asm/futex.h3
-rw-r--r--arch/s390/include/asm/lowcore.h4
-rw-r--r--arch/s390/include/asm/maccess.h17
-rw-r--r--arch/s390/include/asm/os_info.h14
-rw-r--r--arch/s390/include/asm/pai.h6
-rw-r--r--arch/s390/include/asm/pci.h1
-rw-r--r--arch/s390/include/asm/pgtable.h4
-rw-r--r--arch/s390/include/asm/processor.h20
-rw-r--r--arch/s390/include/asm/scsw.h5
-rw-r--r--arch/s390/include/asm/smp.h4
-rw-r--r--arch/s390/include/asm/termios.h26
14 files changed, 58 insertions, 67 deletions
diff --git a/arch/s390/include/asm/abs_lowcore.h b/arch/s390/include/asm/abs_lowcore.h
new file mode 100644
index 000000000000..4c61b14ee928
--- /dev/null
+++ b/arch/s390/include/asm/abs_lowcore.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_S390_ABS_LOWCORE_H
+#define _ASM_S390_ABS_LOWCORE_H
+
+#include <asm/lowcore.h>
+
+#define ABS_LOWCORE_MAP_SIZE (NR_CPUS * sizeof(struct lowcore))
+
+extern unsigned long __abs_lowcore;
+extern bool abs_lowcore_mapped;
+
+struct lowcore *get_abs_lowcore(unsigned long *flags);
+void put_abs_lowcore(struct lowcore *lc, unsigned long flags);
+int abs_lowcore_map(int cpu, struct lowcore *lc, bool alloc);
+void abs_lowcore_unmap(int cpu);
+
+#endif /* _ASM_S390_ABS_LOWCORE_H */
diff --git a/arch/s390/include/asm/ccwdev.h b/arch/s390/include/asm/ccwdev.h
index d4e90f2ba77e..bd1596810cc1 100644
--- a/arch/s390/include/asm/ccwdev.h
+++ b/arch/s390/include/asm/ccwdev.h
@@ -214,7 +214,6 @@ extern struct ccw_device *ccw_device_create_console(struct ccw_driver *);
extern void ccw_device_destroy_console(struct ccw_device *);
extern int ccw_device_enable_console(struct ccw_device *);
extern void ccw_device_wait_idle(struct ccw_device *);
-extern int ccw_device_force_console(struct ccw_device *);
extern void *ccw_device_dma_zalloc(struct ccw_device *cdev, size_t size);
extern void ccw_device_dma_free(struct ccw_device *cdev,
diff --git a/arch/s390/include/asm/ctl_reg.h b/arch/s390/include/asm/ctl_reg.h
index 267a8f88e143..adf7d8cdac7e 100644
--- a/arch/s390/include/asm/ctl_reg.h
+++ b/arch/s390/include/asm/ctl_reg.h
@@ -95,7 +95,8 @@ union ctlreg0 {
Interruption-Filtering Override */
unsigned long : 3;
unsigned long ccc : 1; /* Cryptography counter control */
- unsigned long : 18;
+ unsigned long pec : 1; /* PAI extension control */
+ unsigned long : 17;
unsigned long : 3;
unsigned long lap : 1; /* Low-address-protection control */
unsigned long : 4;
diff --git a/arch/s390/include/asm/futex.h b/arch/s390/include/asm/futex.h
index e08c882dccaa..eaeaeb3ff0be 100644
--- a/arch/s390/include/asm/futex.h
+++ b/arch/s390/include/asm/futex.h
@@ -17,7 +17,8 @@
"3: jl 1b\n" \
" lhi %0,0\n" \
"4: sacf 768\n" \
- EX_TABLE(0b,4b) EX_TABLE(2b,4b) EX_TABLE(3b,4b) \
+ EX_TABLE(0b,4b) EX_TABLE(1b,4b) \
+ EX_TABLE(2b,4b) EX_TABLE(3b,4b) \
: "=d" (ret), "=&d" (oldval), "=&d" (newval), \
"=m" (*uaddr) \
: "0" (-EFAULT), "d" (oparg), "a" (uaddr), \
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index 26fe5e535728..8aa1f6530a3e 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -203,7 +203,9 @@ struct lowcore {
__u8 pad_0x1400[0x1500-0x1400]; /* 0x1400 */
/* Cryptography-counter designation */
__u64 ccd; /* 0x1500 */
- __u8 pad_0x1508[0x1800-0x1508]; /* 0x1508 */
+ /* AI-extension counter designation */
+ __u64 aicd; /* 0x1508 */
+ __u8 pad_0x1510[0x1800-0x1510]; /* 0x1510 */
/* Transaction abort diagnostic block */
struct pgm_tdb pgm_tdb; /* 0x1800 */
diff --git a/arch/s390/include/asm/maccess.h b/arch/s390/include/asm/maccess.h
new file mode 100644
index 000000000000..c7fa838cf6b9
--- /dev/null
+++ b/arch/s390/include/asm/maccess.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_S390_MACCESS_H
+#define __ASM_S390_MACCESS_H
+
+#include <linux/types.h>
+
+struct iov_iter;
+
+extern unsigned long __memcpy_real_area;
+void memcpy_real_init(void);
+size_t memcpy_real_iter(struct iov_iter *iter, unsigned long src, size_t count);
+int memcpy_real(void *dest, unsigned long src, size_t count);
+#ifdef CONFIG_CRASH_DUMP
+int copy_oldmem_kernel(void *dst, unsigned long src, size_t count);
+#endif
+
+#endif /* __ASM_S390_MACCESS_H */
diff --git a/arch/s390/include/asm/os_info.h b/arch/s390/include/asm/os_info.h
index 85248d8fee0c..0d1c74a7a650 100644
--- a/arch/s390/include/asm/os_info.h
+++ b/arch/s390/include/asm/os_info.h
@@ -41,20 +41,6 @@ u32 os_info_csum(struct os_info *os_info);
#ifdef CONFIG_CRASH_DUMP
void *os_info_old_entry(int nr, unsigned long *size);
-size_t copy_oldmem_iter(struct iov_iter *iter, unsigned long src, size_t count);
-
-static inline int copy_oldmem_kernel(void *dst, unsigned long src, size_t count)
-{
- struct iov_iter iter;
- struct kvec kvec;
-
- kvec.iov_base = dst;
- kvec.iov_len = count;
- iov_iter_kvec(&iter, WRITE, &kvec, 1, count);
- if (copy_oldmem_iter(&iter, src, count) < count)
- return -EFAULT;
- return 0;
-}
#else
static inline void *os_info_old_entry(int nr, unsigned long *size)
{
diff --git a/arch/s390/include/asm/pai.h b/arch/s390/include/asm/pai.h
index 5b7e33ac6f0b..1a8a6b15d121 100644
--- a/arch/s390/include/asm/pai.h
+++ b/arch/s390/include/asm/pai.h
@@ -17,7 +17,9 @@ struct qpaci_info_block {
struct {
u64 : 8;
u64 num_cc : 8; /* # of supported crypto counters */
- u64 : 48;
+ u64 : 9;
+ u64 num_nnpa : 7; /* # of supported NNPA counters */
+ u64 : 32;
};
};
@@ -42,6 +44,8 @@ static inline int qpaci(struct qpaci_info_block *info)
#define PAI_CRYPTO_BASE 0x1000 /* First event number */
#define PAI_CRYPTO_MAXCTR 256 /* Max # of event counters */
#define PAI_CRYPTO_KERNEL_OFFSET 2048
+#define PAI_NNPA_BASE 0x1800 /* First event number */
+#define PAI_NNPA_MAXCTR 128 /* Max # of event counters */
DECLARE_STATIC_KEY_FALSE(pai_key);
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index 7b4cdadbc023..108e732d7b14 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -117,7 +117,6 @@ struct zpci_bus {
struct zpci_dev {
struct zpci_bus *zbus;
struct list_head entry; /* list of all zpci_devices, needed for hotplug, etc. */
- struct list_head bus_next;
struct kref kref;
struct hotplug_slot hotplug_slot;
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index f019df19884d..f1cb9391190d 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -1777,6 +1777,10 @@ static inline swp_entry_t __swp_entry(unsigned long type, unsigned long offset)
extern int vmem_add_mapping(unsigned long start, unsigned long size);
extern void vmem_remove_mapping(unsigned long start, unsigned long size);
+extern int __vmem_map_4k_page(unsigned long addr, unsigned long phys, pgprot_t prot, bool alloc);
+extern int vmem_map_4k_page(unsigned long addr, unsigned long phys, pgprot_t prot);
+extern void vmem_unmap_4k_page(unsigned long addr);
+extern pte_t *vmem_get_alloc_pte(unsigned long addr, bool alloc);
extern int s390_enable_sie(void);
extern int s390_enable_skey(void);
extern void s390_reset_cmma(struct mm_struct *mm);
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index bd66f8e34949..87be3e855bf7 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -186,9 +186,6 @@ struct pt_regs;
void show_registers(struct pt_regs *regs);
void show_cacheinfo(struct seq_file *m);
-/* Free all resources held by a thread. */
-static inline void release_thread(struct task_struct *tsk) { }
-
/* Free guarded storage control block */
void guarded_storage_release(struct task_struct *tsk);
void gs_load_bc_cb(struct pt_regs *regs);
@@ -306,23 +303,6 @@ static __always_inline void __noreturn disabled_wait(void)
#define ARCH_LOW_ADDRESS_LIMIT 0x7fffffffUL
-extern int memcpy_real(void *, unsigned long, size_t);
-extern void memcpy_absolute(void *, void *, size_t);
-
-#define put_abs_lowcore(member, x) do { \
- unsigned long __abs_address = offsetof(struct lowcore, member); \
- __typeof__(((struct lowcore *)0)->member) __tmp = (x); \
- \
- memcpy_absolute(__va(__abs_address), &__tmp, sizeof(__tmp)); \
-} while (0)
-
-#define get_abs_lowcore(x, member) do { \
- unsigned long __abs_address = offsetof(struct lowcore, member); \
- __typeof__(((struct lowcore *)0)->member) *__ptr = &(x); \
- \
- memcpy_absolute(__ptr, __va(__abs_address), sizeof(*__ptr)); \
-} while (0)
-
extern int s390_isolate_bp(void);
extern int s390_isolate_bp_guest(void);
diff --git a/arch/s390/include/asm/scsw.h b/arch/s390/include/asm/scsw.h
index 7ce584aff5bb..322bdcd4b616 100644
--- a/arch/s390/include/asm/scsw.h
+++ b/arch/s390/include/asm/scsw.h
@@ -215,6 +215,11 @@ union scsw {
#define SNS2_ENV_DATA_PRESENT 0x10
#define SNS2_INPRECISE_END 0x04
+/*
+ * architectured values for PPRC errors
+ */
+#define SNS7_INVALID_ON_SEC 0x0e
+
/**
* scsw_is_tm - check for transport mode scsw
* @scsw: pointer to scsw
diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h
index 7f5d4763357b..73ed2781073b 100644
--- a/arch/s390/include/asm/smp.h
+++ b/arch/s390/include/asm/smp.h
@@ -30,7 +30,8 @@ extern void smp_emergency_stop(void);
extern int smp_find_processor_id(u16 address);
extern int smp_store_status(int cpu);
-extern void smp_save_dump_cpus(void);
+extern void smp_save_dump_ipl_cpu(void);
+extern void smp_save_dump_secondary_cpus(void);
extern void smp_yield_cpu(int cpu);
extern void smp_cpu_set_polarization(int cpu, int val);
extern int smp_cpu_get_polarization(int cpu);
@@ -58,6 +59,7 @@ static inline void smp_cpus_done(unsigned int max_cpus)
{
}
+extern int smp_reinit_ipl_cpu(void);
extern int smp_rescan_cpus(void);
extern void __noreturn cpu_die(void);
extern void __cpu_die(unsigned int cpu);
diff --git a/arch/s390/include/asm/termios.h b/arch/s390/include/asm/termios.h
deleted file mode 100644
index 46fa3020b41e..000000000000
--- a/arch/s390/include/asm/termios.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * S390 version
- *
- * Derived from "include/asm-i386/termios.h"
- */
-#ifndef _S390_TERMIOS_H
-#define _S390_TERMIOS_H
-
-#include <uapi/asm/termios.h>
-
-
-/* intr=^C quit=^\ erase=del kill=^U
- eof=^D vtime=\0 vmin=\1 sxtc=\0
- start=^Q stop=^S susp=^Z eol=\0
- reprint=^R discard=^U werase=^W lnext=^V
- eol2=\0
-*/
-#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
-
-#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2))
-#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2))
-
-#include <asm-generic/termios-base.h>
-
-#endif /* _S390_TERMIOS_H */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.