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-rw-r--r--arch/s390/include/asm/asm-const.h12
-rw-r--r--arch/s390/include/asm/atomic.h2
-rw-r--r--arch/s390/include/asm/bug.h2
-rw-r--r--arch/s390/include/asm/debug.h18
-rw-r--r--arch/s390/include/asm/extable.h52
-rw-r--r--arch/s390/include/asm/linkage.h35
-rw-r--r--arch/s390/include/asm/pci_dma.h11
-rw-r--r--arch/s390/include/asm/pgtable.h2
-rw-r--r--arch/s390/include/asm/ptrace.h5
-rw-r--r--arch/s390/include/asm/smp.h5
-rw-r--r--arch/s390/include/asm/syscall_wrapper.h6
-rw-r--r--arch/s390/include/asm/thread_info.h1
-rw-r--r--arch/s390/include/asm/timex.h5
-rw-r--r--arch/s390/include/uapi/asm/debug.h35
-rw-r--r--arch/s390/include/uapi/asm/zcrypt.h140
15 files changed, 172 insertions, 159 deletions
diff --git a/arch/s390/include/asm/asm-const.h b/arch/s390/include/asm/asm-const.h
new file mode 100644
index 000000000000..11f615eb0066
--- /dev/null
+++ b/arch/s390/include/asm/asm-const.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_S390_ASM_CONST_H
+#define _ASM_S390_ASM_CONST_H
+
+#ifdef __ASSEMBLY__
+# define stringify_in_c(...) __VA_ARGS__
+#else
+/* This version of stringify will deal with commas... */
+# define __stringify_in_c(...) #__VA_ARGS__
+# define stringify_in_c(...) __stringify_in_c(__VA_ARGS__) " "
+#endif
+#endif /* _ASM_S390_ASM_CONST_H */
diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
index 491ad53a0d4e..cae473a7b6f7 100644
--- a/arch/s390/include/asm/atomic.h
+++ b/arch/s390/include/asm/atomic.h
@@ -15,8 +15,6 @@
#include <asm/barrier.h>
#include <asm/cmpxchg.h>
-#define ATOMIC_INIT(i) { (i) }
-
static inline int atomic_read(const atomic_t *v)
{
int c;
diff --git a/arch/s390/include/asm/bug.h b/arch/s390/include/asm/bug.h
index 7725f8006fdf..0b25f28351ed 100644
--- a/arch/s390/include/asm/bug.h
+++ b/arch/s390/include/asm/bug.h
@@ -2,7 +2,7 @@
#ifndef _ASM_S390_BUG_H
#define _ASM_S390_BUG_H
-#include <linux/kernel.h>
+#include <linux/compiler.h>
#ifdef CONFIG_BUG
diff --git a/arch/s390/include/asm/debug.h b/arch/s390/include/asm/debug.h
index 310134015541..17a26261f288 100644
--- a/arch/s390/include/asm/debug.h
+++ b/arch/s390/include/asm/debug.h
@@ -12,7 +12,7 @@
#include <linux/kernel.h>
#include <linux/time.h>
#include <linux/refcount.h>
-#include <uapi/asm/debug.h>
+#include <linux/fs.h>
#define DEBUG_MAX_LEVEL 6 /* debug levels range from 0 to 6 */
#define DEBUG_OFF_LEVEL -1 /* level where debug is switched off */
@@ -26,6 +26,21 @@
#define DEBUG_DATA(entry) (char *)(entry + 1) /* data is stored behind */
/* the entry information */
+#define __DEBUG_FEATURE_VERSION 2 /* version of debug feature */
+
+struct __debug_entry {
+ union {
+ struct {
+ unsigned long clock : 52;
+ unsigned long exception : 1;
+ unsigned long level : 3;
+ unsigned long cpuid : 8;
+ } fields;
+ unsigned long stck;
+ } id;
+ void *caller;
+} __packed;
+
typedef struct __debug_entry debug_entry_t;
struct debug_view;
@@ -82,7 +97,6 @@ struct debug_view {
};
extern struct debug_view debug_hex_ascii_view;
-extern struct debug_view debug_raw_view;
extern struct debug_view debug_sprintf_view;
/* do NOT use the _common functions */
diff --git a/arch/s390/include/asm/extable.h b/arch/s390/include/asm/extable.h
index ae27f756b409..3beb294fd553 100644
--- a/arch/s390/include/asm/extable.h
+++ b/arch/s390/include/asm/extable.h
@@ -1,12 +1,20 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __S390_EXTABLE_H
#define __S390_EXTABLE_H
+
+#include <asm/ptrace.h>
+#include <linux/compiler.h>
+
/*
- * The exception table consists of pairs of addresses: the first is the
- * address of an instruction that is allowed to fault, and the second is
- * the address at which the program should continue. No registers are
- * modified, so it is entirely up to the continuation code to figure out
- * what to do.
+ * The exception table consists of three addresses:
+ *
+ * - Address of an instruction that is allowed to fault.
+ * - Address at which the program should continue.
+ * - Optional address of handler that takes pt_regs * argument and runs in
+ * interrupt context.
+ *
+ * No registers are modified, so it is entirely up to the continuation code
+ * to figure out what to do.
*
* All the routines below use bits of fixup code that are out of line
* with the main instruction path. This means when everything is well,
@@ -17,6 +25,7 @@
struct exception_table_entry
{
int insn, fixup;
+ long handler;
};
extern struct exception_table_entry *__start_dma_ex_table;
@@ -29,6 +38,39 @@ static inline unsigned long extable_fixup(const struct exception_table_entry *x)
return (unsigned long)&x->fixup + x->fixup;
}
+typedef bool (*ex_handler_t)(const struct exception_table_entry *,
+ struct pt_regs *);
+
+static inline ex_handler_t
+ex_fixup_handler(const struct exception_table_entry *x)
+{
+ if (likely(!x->handler))
+ return NULL;
+ return (ex_handler_t)((unsigned long)&x->handler + x->handler);
+}
+
+static inline bool ex_handle(const struct exception_table_entry *x,
+ struct pt_regs *regs)
+{
+ ex_handler_t handler = ex_fixup_handler(x);
+
+ if (unlikely(handler))
+ return handler(x, regs);
+ regs->psw.addr = extable_fixup(x);
+ return true;
+}
+
#define ARCH_HAS_RELATIVE_EXTABLE
+static inline void swap_ex_entry_fixup(struct exception_table_entry *a,
+ struct exception_table_entry *b,
+ struct exception_table_entry tmp,
+ int delta)
+{
+ a->fixup = b->fixup + delta;
+ b->fixup = tmp.fixup - delta;
+ a->handler = b->handler + delta;
+ b->handler = tmp.handler - delta;
+}
+
#endif
diff --git a/arch/s390/include/asm/linkage.h b/arch/s390/include/asm/linkage.h
index 7f22262b0e46..a0a7a2c72bd4 100644
--- a/arch/s390/include/asm/linkage.h
+++ b/arch/s390/include/asm/linkage.h
@@ -2,38 +2,27 @@
#ifndef __ASM_LINKAGE_H
#define __ASM_LINKAGE_H
+#include <asm/asm-const.h>
#include <linux/stringify.h>
#define __ALIGN .align 4, 0x07
#define __ALIGN_STR __stringify(__ALIGN)
-#ifndef __ASSEMBLY__
-
/*
* Helper macro for exception table entries
*/
-#define EX_TABLE(_fault, _target) \
- ".section __ex_table,\"a\"\n" \
- ".align 4\n" \
- ".long (" #_fault ") - .\n" \
- ".long (" #_target ") - .\n" \
- ".previous\n"
-
-#else /* __ASSEMBLY__ */
-#define EX_TABLE(_fault, _target) \
- .section __ex_table,"a" ; \
- .align 4 ; \
- .long (_fault) - . ; \
- .long (_target) - . ; \
- .previous
+#define __EX_TABLE(_section, _fault, _target) \
+ stringify_in_c(.section _section,"a";) \
+ stringify_in_c(.align 8;) \
+ stringify_in_c(.long (_fault) - .;) \
+ stringify_in_c(.long (_target) - .;) \
+ stringify_in_c(.quad 0;) \
+ stringify_in_c(.previous)
-#define EX_TABLE_DMA(_fault, _target) \
- .section .dma.ex_table, "a" ; \
- .align 4 ; \
- .long (_fault) - . ; \
- .long (_target) - . ; \
- .previous
+#define EX_TABLE(_fault, _target) \
+ __EX_TABLE(__ex_table, _fault, _target)
+#define EX_TABLE_DMA(_fault, _target) \
+ __EX_TABLE(.dma.ex_table, _fault, _target)
-#endif /* __ASSEMBLY__ */
#endif
diff --git a/arch/s390/include/asm/pci_dma.h b/arch/s390/include/asm/pci_dma.h
index 419fac7a62c0..f62cd3ed2d44 100644
--- a/arch/s390/include/asm/pci_dma.h
+++ b/arch/s390/include/asm/pci_dma.h
@@ -131,12 +131,6 @@ static inline void validate_st_entry(unsigned long *entry)
*entry |= ZPCI_TABLE_VALID;
}
-static inline void invalidate_table_entry(unsigned long *entry)
-{
- *entry &= ~ZPCI_TABLE_VALID_MASK;
- *entry |= ZPCI_TABLE_INVALID;
-}
-
static inline void invalidate_pt_entry(unsigned long *entry)
{
WARN_ON_ONCE((*entry & ZPCI_PTE_VALID_MASK) == ZPCI_PTE_INVALID);
@@ -173,11 +167,6 @@ static inline int pt_entry_isvalid(unsigned long entry)
return (entry & ZPCI_PTE_VALID_MASK) == ZPCI_PTE_VALID;
}
-static inline int entry_isprotected(unsigned long entry)
-{
- return (entry & ZPCI_TABLE_PROT_MASK) == ZPCI_TABLE_PROTECTED;
-}
-
static inline unsigned long *get_rt_sto(unsigned long entry)
{
return ((entry & ZPCI_TABLE_TYPE_MASK) == ZPCI_TABLE_TYPE_RTX)
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 19d603bd1f36..7eb01a5459cd 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -1669,7 +1669,7 @@ static inline swp_entry_t __swp_entry(unsigned long type, unsigned long offset)
#define kern_addr_valid(addr) (1)
extern int vmem_add_mapping(unsigned long start, unsigned long size);
-extern int vmem_remove_mapping(unsigned long start, unsigned long size);
+extern void vmem_remove_mapping(unsigned long start, unsigned long size);
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/ptrace.h b/arch/s390/include/asm/ptrace.h
index f009a13afe71..16b3e4396312 100644
--- a/arch/s390/include/asm/ptrace.h
+++ b/arch/s390/include/asm/ptrace.h
@@ -184,5 +184,10 @@ static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
return regs->gprs[15];
}
+static inline void regs_set_return_value(struct pt_regs *regs, unsigned long rc)
+{
+ regs->gprs[2] = rc;
+}
+
#endif /* __ASSEMBLY__ */
#endif /* _S390_PTRACE_H */
diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h
index 7326f110d48c..7e155fb6c254 100644
--- a/arch/s390/include/asm/smp.h
+++ b/arch/s390/include/asm/smp.h
@@ -10,6 +10,7 @@
#include <asm/sigp.h>
#include <asm/lowcore.h>
+#include <asm/processor.h>
#define raw_smp_processor_id() (S390_lowcore.cpu_nr)
@@ -54,6 +55,10 @@ static inline int smp_get_base_cpu(int cpu)
return cpu - (cpu % (smp_cpu_mtid + 1));
}
+static inline void smp_cpus_done(unsigned int max_cpus)
+{
+}
+
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/syscall_wrapper.h b/arch/s390/include/asm/syscall_wrapper.h
index 3c3d6fe8e2f0..1320f4213d80 100644
--- a/arch/s390/include/asm/syscall_wrapper.h
+++ b/arch/s390/include/asm/syscall_wrapper.h
@@ -30,7 +30,7 @@
})
#define __S390_SYS_STUBx(x, name, ...) \
- asmlinkage long __s390_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__))\
+ asmlinkage long __s390_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__));\
ALLOW_ERROR_INJECTION(__s390_sys##name, ERRNO); \
asmlinkage long __s390_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__))\
{ \
@@ -46,7 +46,7 @@
#define COMPAT_SYSCALL_DEFINE0(sname) \
SYSCALL_METADATA(_##sname, 0); \
asmlinkage long __s390_compat_sys_##sname(void); \
- ALLOW_ERROR_INJECTION(__s390_compat__sys_##sname, ERRNO); \
+ ALLOW_ERROR_INJECTION(__s390_compat_sys_##sname, ERRNO); \
asmlinkage long __s390_compat_sys_##sname(void)
#define SYSCALL_DEFINE0(sname) \
@@ -72,7 +72,7 @@
asmlinkage long __s390_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \
asmlinkage long __s390_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
__attribute__((alias(__stringify(__se_compat_sys##name)))); \
- ALLOW_ERROR_INJECTION(compat_sys##name, ERRNO); \
+ ALLOW_ERROR_INJECTION(__s390_compat_sys##name, ERRNO); \
static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
asmlinkage long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
asmlinkage long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index e582fbe59e20..13a04fcf7762 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -24,7 +24,6 @@
#ifndef __ASSEMBLY__
#include <asm/lowcore.h>
#include <asm/page.h>
-#include <asm/processor.h>
#define STACK_INIT_OFFSET \
(THREAD_SIZE - STACK_FRAME_OVERHEAD - sizeof(struct pt_regs))
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index 6bf3a45ccfec..289aaff4d365 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -49,11 +49,6 @@ static inline void set_clock_comparator(__u64 time)
asm volatile("sckc %0" : : "Q" (time));
}
-static inline void store_clock_comparator(__u64 *time)
-{
- asm volatile("stckc %0" : "=Q" (*time));
-}
-
void clock_comparator_work(void);
void __init time_early_init(void);
diff --git a/arch/s390/include/uapi/asm/debug.h b/arch/s390/include/uapi/asm/debug.h
deleted file mode 100644
index c7c564d9aea4..000000000000
--- a/arch/s390/include/uapi/asm/debug.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-/*
- * S/390 debug facility
- *
- * Copyright IBM Corp. 1999, 2000
- */
-
-#ifndef _UAPIDEBUG_H
-#define _UAPIDEBUG_H
-
-#include <linux/fs.h>
-
-/* Note:
- * struct __debug_entry must be defined outside of #ifdef __KERNEL__
- * in order to allow a user program to analyze the 'raw'-view.
- */
-
-struct __debug_entry{
- union {
- struct {
- unsigned long long clock:52;
- unsigned long long exception:1;
- unsigned long long level:3;
- unsigned long long cpuid:8;
- } fields;
-
- unsigned long long stck;
- } id;
- void* caller;
-} __attribute__((packed));
-
-
-#define __DEBUG_FEATURE_VERSION 2 /* version of debug feature */
-
-#endif /* _UAPIDEBUG_H */
diff --git a/arch/s390/include/uapi/asm/zcrypt.h b/arch/s390/include/uapi/asm/zcrypt.h
index 5a2177e96e88..22fd202856bc 100644
--- a/arch/s390/include/uapi/asm/zcrypt.h
+++ b/arch/s390/include/uapi/asm/zcrypt.h
@@ -36,12 +36,12 @@
* - length(n_modulus) = inputdatalength
*/
struct ica_rsa_modexpo {
- char __user *inputdata;
- unsigned int inputdatalength;
- char __user *outputdata;
- unsigned int outputdatalength;
- char __user *b_key;
- char __user *n_modulus;
+ __u8 __user *inputdata;
+ __u32 inputdatalength;
+ __u8 __user *outputdata;
+ __u32 outputdatalength;
+ __u8 __user *b_key;
+ __u8 __user *n_modulus;
};
/**
@@ -59,15 +59,15 @@ struct ica_rsa_modexpo {
* - length(u_mult_inv) = inputdatalength/2 + 8
*/
struct ica_rsa_modexpo_crt {
- char __user *inputdata;
- unsigned int inputdatalength;
- char __user *outputdata;
- unsigned int outputdatalength;
- char __user *bp_key;
- char __user *bq_key;
- char __user *np_prime;
- char __user *nq_prime;
- char __user *u_mult_inv;
+ __u8 __user *inputdata;
+ __u32 inputdatalength;
+ __u8 __user *outputdata;
+ __u32 outputdatalength;
+ __u8 __user *bp_key;
+ __u8 __user *bq_key;
+ __u8 __user *np_prime;
+ __u8 __user *nq_prime;
+ __u8 __user *u_mult_inv;
};
/**
@@ -83,67 +83,67 @@ struct ica_rsa_modexpo_crt {
* key block
*/
struct CPRBX {
- unsigned short cprb_len; /* CPRB length 220 */
- unsigned char cprb_ver_id; /* CPRB version id. 0x02 */
- unsigned char pad_000[3]; /* Alignment pad bytes */
- unsigned char func_id[2]; /* function id 0x5432 */
- unsigned char cprb_flags[4]; /* Flags */
- unsigned int req_parml; /* request parameter buffer len */
- unsigned int req_datal; /* request data buffer */
- unsigned int rpl_msgbl; /* reply message block length */
- unsigned int rpld_parml; /* replied parameter block len */
- unsigned int rpl_datal; /* reply data block len */
- unsigned int rpld_datal; /* replied data block len */
- unsigned int req_extbl; /* request extension block len */
- unsigned char pad_001[4]; /* reserved */
- unsigned int rpld_extbl; /* replied extension block len */
- unsigned char padx000[16 - sizeof(char *)];
- unsigned char *req_parmb; /* request parm block 'address' */
- unsigned char padx001[16 - sizeof(char *)];
- unsigned char *req_datab; /* request data block 'address' */
- unsigned char padx002[16 - sizeof(char *)];
- unsigned char *rpl_parmb; /* reply parm block 'address' */
- unsigned char padx003[16 - sizeof(char *)];
- unsigned char *rpl_datab; /* reply data block 'address' */
- unsigned char padx004[16 - sizeof(char *)];
- unsigned char *req_extb; /* request extension block 'addr'*/
- unsigned char padx005[16 - sizeof(char *)];
- unsigned char *rpl_extb; /* reply extension block 'address'*/
- unsigned short ccp_rtcode; /* server return code */
- unsigned short ccp_rscode; /* server reason code */
- unsigned int mac_data_len; /* Mac Data Length */
- unsigned char logon_id[8]; /* Logon Identifier */
- unsigned char mac_value[8]; /* Mac Value */
- unsigned char mac_content_flgs;/* Mac content flag byte */
- unsigned char pad_002; /* Alignment */
- unsigned short domain; /* Domain */
- unsigned char usage_domain[4];/* Usage domain */
- unsigned char cntrl_domain[4];/* Control domain */
- unsigned char S390enf_mask[4];/* S/390 enforcement mask */
- unsigned char pad_004[36]; /* reserved */
+ __u16 cprb_len; /* CPRB length 220 */
+ __u8 cprb_ver_id; /* CPRB version id. 0x02 */
+ __u8 pad_000[3]; /* Alignment pad bytes */
+ __u8 func_id[2]; /* function id 0x5432 */
+ __u8 cprb_flags[4]; /* Flags */
+ __u32 req_parml; /* request parameter buffer len */
+ __u32 req_datal; /* request data buffer */
+ __u32 rpl_msgbl; /* reply message block length */
+ __u32 rpld_parml; /* replied parameter block len */
+ __u32 rpl_datal; /* reply data block len */
+ __u32 rpld_datal; /* replied data block len */
+ __u32 req_extbl; /* request extension block len */
+ __u8 pad_001[4]; /* reserved */
+ __u32 rpld_extbl; /* replied extension block len */
+ __u8 padx000[16 - sizeof(__u8 *)];
+ __u8 __user *req_parmb; /* request parm block 'address' */
+ __u8 padx001[16 - sizeof(__u8 *)];
+ __u8 __user *req_datab; /* request data block 'address' */
+ __u8 padx002[16 - sizeof(__u8 *)];
+ __u8 __user *rpl_parmb; /* reply parm block 'address' */
+ __u8 padx003[16 - sizeof(__u8 *)];
+ __u8 __user *rpl_datab; /* reply data block 'address' */
+ __u8 padx004[16 - sizeof(__u8 *)];
+ __u8 __user *req_extb; /* request extension block 'addr'*/
+ __u8 padx005[16 - sizeof(__u8 *)];
+ __u8 __user *rpl_extb; /* reply extension block 'address'*/
+ __u16 ccp_rtcode; /* server return code */
+ __u16 ccp_rscode; /* server reason code */
+ __u32 mac_data_len; /* Mac Data Length */
+ __u8 logon_id[8]; /* Logon Identifier */
+ __u8 mac_value[8]; /* Mac Value */
+ __u8 mac_content_flgs; /* Mac content flag byte */
+ __u8 pad_002; /* Alignment */
+ __u16 domain; /* Domain */
+ __u8 usage_domain[4]; /* Usage domain */
+ __u8 cntrl_domain[4]; /* Control domain */
+ __u8 S390enf_mask[4]; /* S/390 enforcement mask */
+ __u8 pad_004[36]; /* reserved */
} __attribute__((packed));
/**
* xcRB
*/
struct ica_xcRB {
- unsigned short agent_ID;
- unsigned int user_defined;
- unsigned short request_ID;
- unsigned int request_control_blk_length;
- unsigned char padding1[16 - sizeof(char *)];
- char __user *request_control_blk_addr;
- unsigned int request_data_length;
- char padding2[16 - sizeof(char *)];
- char __user *request_data_address;
- unsigned int reply_control_blk_length;
- char padding3[16 - sizeof(char *)];
- char __user *reply_control_blk_addr;
- unsigned int reply_data_length;
- char padding4[16 - sizeof(char *)];
- char __user *reply_data_addr;
- unsigned short priority_window;
- unsigned int status;
+ __u16 agent_ID;
+ __u32 user_defined;
+ __u16 request_ID;
+ __u32 request_control_blk_length;
+ __u8 _padding1[16 - sizeof(__u8 *)];
+ __u8 __user *request_control_blk_addr;
+ __u32 request_data_length;
+ __u8 _padding2[16 - sizeof(__u8 *)];
+ __u8 __user *request_data_address;
+ __u32 reply_control_blk_length;
+ __u8 _padding3[16 - sizeof(__u8 *)];
+ __u8 __user *reply_control_blk_addr;
+ __u32 reply_data_length;
+ __u8 __padding4[16 - sizeof(__u8 *)];
+ __u8 __user *reply_data_addr;
+ __u16 priority_window;
+ __u32 status;
} __attribute__((packed));
/**