diff options
Diffstat (limited to 'arch/s390/include')
| -rw-r--r-- | arch/s390/include/asm/cacheflush.h | 4 | ||||
| -rw-r--r-- | arch/s390/include/asm/cpu_mf.h | 14 | ||||
| -rw-r--r-- | arch/s390/include/asm/elf.h | 8 | ||||
| -rw-r--r-- | arch/s390/include/asm/ftrace.h | 15 | ||||
| -rw-r--r-- | arch/s390/include/asm/irqflags.h | 2 | ||||
| -rw-r--r-- | arch/s390/include/asm/jump_label.h | 7 | ||||
| -rw-r--r-- | arch/s390/include/asm/kvm_host.h | 56 | ||||
| -rw-r--r-- | arch/s390/include/asm/pgtable.h | 35 | ||||
| -rw-r--r-- | arch/s390/include/asm/processor.h | 5 | ||||
| -rw-r--r-- | arch/s390/include/asm/reset.h | 3 | ||||
| -rw-r--r-- | arch/s390/include/asm/sclp.h | 11 | ||||
| -rw-r--r-- | arch/s390/include/asm/setup.h | 3 | ||||
| -rw-r--r-- | arch/s390/include/asm/sigp.h | 1 | ||||
| -rw-r--r-- | arch/s390/include/asm/smp.h | 4 | ||||
| -rw-r--r-- | arch/s390/include/asm/string.h | 1 | ||||
| -rw-r--r-- | arch/s390/include/asm/sysinfo.h | 30 | ||||
| -rw-r--r-- | arch/s390/include/asm/thread_info.h | 4 | ||||
| -rw-r--r-- | arch/s390/include/asm/timex.h | 10 | ||||
| -rw-r--r-- | arch/s390/include/asm/topology.h | 4 | ||||
| -rw-r--r-- | arch/s390/include/uapi/asm/hypfs.h | 35 | ||||
| -rw-r--r-- | arch/s390/include/uapi/asm/kvm.h | 37 | ||||
| -rw-r--r-- | arch/s390/include/uapi/asm/unistd.h | 3 |
22 files changed, 215 insertions, 77 deletions
diff --git a/arch/s390/include/asm/cacheflush.h b/arch/s390/include/asm/cacheflush.h index 3e20383d0921..58fae7d098cf 100644 --- a/arch/s390/include/asm/cacheflush.h +++ b/arch/s390/include/asm/cacheflush.h @@ -4,10 +4,6 @@ /* Caches aren't brain-dead on the s390. */ #include <asm-generic/cacheflush.h> -#ifdef CONFIG_DEBUG_PAGEALLOC -void kernel_map_pages(struct page *page, int numpages, int enable); -#endif - int set_memory_ro(unsigned long addr, int numpages); int set_memory_rw(unsigned long addr, int numpages); int set_memory_nx(unsigned long addr, int numpages); diff --git a/arch/s390/include/asm/cpu_mf.h b/arch/s390/include/asm/cpu_mf.h index cb700d54bd83..5243a8679a1d 100644 --- a/arch/s390/include/asm/cpu_mf.h +++ b/arch/s390/include/asm/cpu_mf.h @@ -189,6 +189,20 @@ static inline int ecctr(u64 ctr, u64 *val) return cc; } +/* Store CPU counter multiple for the MT utilization counter set */ +static inline int stcctm5(u64 num, u64 *val) +{ + typedef struct { u64 _[num]; } addrtype; + int cc; + + asm volatile ( + " .insn rsy,0xeb0000000017,%2,5,%1\n" + " ipm %0\n" + " srl %0,28\n" + : "=d" (cc), "=Q" (*(addrtype *) val) : "d" (num) : "cc"); + return cc; +} + /* Query sampling information */ static inline int qsi(struct hws_qsi_info_block *info) { diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h index f6e43d39e3d8..c9df40b5c0ac 100644 --- a/arch/s390/include/asm/elf.h +++ b/arch/s390/include/asm/elf.h @@ -163,8 +163,8 @@ extern unsigned int vdso_enabled; the loader. We need to make sure that it is out of the way of the program that it will "exec", and that there is sufficient room for the brk. */ -extern unsigned long randomize_et_dyn(unsigned long base); -#define ELF_ET_DYN_BASE (randomize_et_dyn(STACK_TOP / 3 * 2)) +extern unsigned long randomize_et_dyn(void); +#define ELF_ET_DYN_BASE randomize_et_dyn() /* This yields a mask that user programs can use to figure out what instruction set this CPU supports. */ @@ -209,7 +209,9 @@ do { \ } while (0) #endif /* CONFIG_COMPAT */ -#define STACK_RND_MASK 0x7ffUL +extern unsigned long mmap_rnd_mask; + +#define STACK_RND_MASK (mmap_rnd_mask) #define ARCH_DLINFO \ do { \ diff --git a/arch/s390/include/asm/ftrace.h b/arch/s390/include/asm/ftrace.h index abb618f1ead2..836c56290499 100644 --- a/arch/s390/include/asm/ftrace.h +++ b/arch/s390/include/asm/ftrace.h @@ -3,8 +3,12 @@ #define ARCH_SUPPORTS_FTRACE_OPS 1 +#ifdef CC_USING_HOTPATCH +#define MCOUNT_INSN_SIZE 6 +#else #define MCOUNT_INSN_SIZE 24 #define MCOUNT_RETURN_FIXUP 18 +#endif #ifndef __ASSEMBLY__ @@ -37,18 +41,29 @@ struct ftrace_insn { static inline void ftrace_generate_nop_insn(struct ftrace_insn *insn) { #ifdef CONFIG_FUNCTION_TRACER +#ifdef CC_USING_HOTPATCH + /* brcl 0,0 */ + insn->opc = 0xc004; + insn->disp = 0; +#else /* jg .+24 */ insn->opc = 0xc0f4; insn->disp = MCOUNT_INSN_SIZE / 2; #endif +#endif } static inline int is_ftrace_nop(struct ftrace_insn *insn) { #ifdef CONFIG_FUNCTION_TRACER +#ifdef CC_USING_HOTPATCH + if (insn->disp == 0) + return 1; +#else if (insn->disp == MCOUNT_INSN_SIZE / 2) return 1; #endif +#endif return 0; } diff --git a/arch/s390/include/asm/irqflags.h b/arch/s390/include/asm/irqflags.h index 37b9091ab8c0..16aa0c779e07 100644 --- a/arch/s390/include/asm/irqflags.h +++ b/arch/s390/include/asm/irqflags.h @@ -36,7 +36,7 @@ static inline notrace void __arch_local_irq_ssm(unsigned long flags) static inline notrace unsigned long arch_local_save_flags(void) { - return __arch_local_irq_stosm(0x00); + return __arch_local_irq_stnsm(0xff); } static inline notrace unsigned long arch_local_irq_save(void) diff --git a/arch/s390/include/asm/jump_label.h b/arch/s390/include/asm/jump_label.h index 346b1c85ffb4..58642fd29c87 100644 --- a/arch/s390/include/asm/jump_label.h +++ b/arch/s390/include/asm/jump_label.h @@ -4,6 +4,7 @@ #include <linux/types.h> #define JUMP_LABEL_NOP_SIZE 6 +#define JUMP_LABEL_NOP_OFFSET 2 #ifdef CONFIG_64BIT #define ASM_PTR ".quad" @@ -13,9 +14,13 @@ #define ASM_ALIGN ".balign 4" #endif +/* + * We use a brcl 0,2 instruction for jump labels at compile time so it + * can be easily distinguished from a hotpatch generated instruction. + */ static __always_inline bool arch_static_branch(struct static_key *key) { - asm_volatile_goto("0: brcl 0,0\n" + asm_volatile_goto("0: brcl 0,"__stringify(JUMP_LABEL_NOP_OFFSET)"\n" ".pushsection __jump_table, \"aw\"\n" ASM_ALIGN "\n" ASM_PTR " 0b, %l[label], %0\n" diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index 9cba74d5d853..d84559e31f32 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -35,11 +35,13 @@ #define KVM_NR_IRQCHIPS 1 #define KVM_IRQCHIP_NUM_PINS 4096 -#define SIGP_CTRL_C 0x00800000 +#define SIGP_CTRL_C 0x80 +#define SIGP_CTRL_SCN_MASK 0x3f struct sca_entry { - atomic_t ctrl; - __u32 reserved; + __u8 reserved0; + __u8 sigp_ctrl; + __u16 reserved[3]; __u64 sda; __u64 reserved2[2]; } __attribute__((packed)); @@ -87,7 +89,8 @@ struct kvm_s390_sie_block { atomic_t cpuflags; /* 0x0000 */ __u32 : 1; /* 0x0004 */ __u32 prefix : 18; - __u32 : 13; + __u32 : 1; + __u32 ibc : 12; __u8 reserved08[4]; /* 0x0008 */ #define PROG_IN_SIE (1<<0) __u32 prog0c; /* 0x000c */ @@ -132,7 +135,9 @@ struct kvm_s390_sie_block { __u8 reserved60; /* 0x0060 */ __u8 ecb; /* 0x0061 */ __u8 ecb2; /* 0x0062 */ - __u8 reserved63[1]; /* 0x0063 */ +#define ECB3_AES 0x04 +#define ECB3_DEA 0x08 + __u8 ecb3; /* 0x0063 */ __u32 scaol; /* 0x0064 */ __u8 reserved68[4]; /* 0x0068 */ __u32 todpr; /* 0x006c */ @@ -159,6 +164,7 @@ struct kvm_s390_sie_block { __u64 tecmc; /* 0x00e8 */ __u8 reservedf0[12]; /* 0x00f0 */ #define CRYCB_FORMAT1 0x00000001 +#define CRYCB_FORMAT2 0x00000003 __u32 crycbd; /* 0x00fc */ __u64 gcr[16]; /* 0x0100 */ __u64 gbea; /* 0x0180 */ @@ -192,6 +198,7 @@ struct kvm_vcpu_stat { u32 exit_stop_request; u32 exit_validity; u32 exit_instruction; + u32 halt_successful_poll; u32 halt_wakeup; u32 instruction_lctl; u32 instruction_lctlg; @@ -378,14 +385,11 @@ struct kvm_s390_interrupt_info { struct kvm_s390_emerg_info emerg; struct kvm_s390_extcall_info extcall; struct kvm_s390_prefix_info prefix; + struct kvm_s390_stop_info stop; struct kvm_s390_mchk_info mchk; }; }; -/* for local_interrupt.action_flags */ -#define ACTION_STORE_ON_STOP (1<<0) -#define ACTION_STOP_ON_STOP (1<<1) - struct kvm_s390_irq_payload { struct kvm_s390_io_info io; struct kvm_s390_ext_info ext; @@ -393,6 +397,7 @@ struct kvm_s390_irq_payload { struct kvm_s390_emerg_info emerg; struct kvm_s390_extcall_info extcall; struct kvm_s390_prefix_info prefix; + struct kvm_s390_stop_info stop; struct kvm_s390_mchk_info mchk; }; @@ -401,7 +406,6 @@ struct kvm_s390_local_interrupt { struct kvm_s390_float_interrupt *float_int; wait_queue_head_t *wq; atomic_t *cpuflags; - unsigned int action_bits; DECLARE_BITMAP(sigp_emerg_pending, KVM_MAX_VCPUS); struct kvm_s390_irq_payload irq; unsigned long pending_irqs; @@ -470,7 +474,6 @@ struct kvm_vcpu_arch { }; struct gmap *gmap; struct kvm_guestdbg_info_arch guestdbg; -#define KVM_S390_PFAULT_TOKEN_INVALID (-1UL) unsigned long pfault_token; unsigned long pfault_select; unsigned long pfault_compare; @@ -504,13 +507,39 @@ struct s390_io_adapter { #define MAX_S390_IO_ADAPTERS ((MAX_ISC + 1) * 8) #define MAX_S390_ADAPTER_MAPS 256 +/* maximum size of facilities and facility mask is 2k bytes */ +#define S390_ARCH_FAC_LIST_SIZE_BYTE (1<<11) +#define S390_ARCH_FAC_LIST_SIZE_U64 \ + (S390_ARCH_FAC_LIST_SIZE_BYTE / sizeof(u64)) +#define S390_ARCH_FAC_MASK_SIZE_BYTE S390_ARCH_FAC_LIST_SIZE_BYTE +#define S390_ARCH_FAC_MASK_SIZE_U64 \ + (S390_ARCH_FAC_MASK_SIZE_BYTE / sizeof(u64)) + +struct s390_model_fac { + /* facilities used in SIE context */ + __u64 sie[S390_ARCH_FAC_LIST_SIZE_U64]; + /* subset enabled by kvm */ + __u64 kvm[S390_ARCH_FAC_LIST_SIZE_U64]; +}; + +struct kvm_s390_cpu_model { + struct s390_model_fac *fac; + struct cpuid cpu_id; + unsigned short ibc; +}; + struct kvm_s390_crypto { struct kvm_s390_crypto_cb *crycb; __u32 crycbd; + __u8 aes_kw; + __u8 dea_kw; }; struct kvm_s390_crypto_cb { - __u8 reserved00[128]; /* 0x0000 */ + __u8 reserved00[72]; /* 0x0000 */ + __u8 dea_wrapping_key_mask[24]; /* 0x0048 */ + __u8 aes_wrapping_key_mask[32]; /* 0x0060 */ + __u8 reserved80[128]; /* 0x0080 */ }; struct kvm_arch{ @@ -523,12 +552,15 @@ struct kvm_arch{ int use_irqchip; int use_cmma; int user_cpu_state_ctrl; + int user_sigp; struct s390_io_adapter *adapters[MAX_S390_IO_ADAPTERS]; wait_queue_head_t ipte_wq; int ipte_lock_count; struct mutex ipte_mutex; spinlock_t start_stop_lock; + struct kvm_s390_cpu_model model; struct kvm_s390_crypto crypto; + u64 epoch; }; #define KVM_HVA_ERR_BAD (-1UL) diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 5e102422c9ab..fbb5ee3ae57c 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -99,7 +99,7 @@ extern unsigned long zero_page_mask; #endif /* CONFIG_64BIT */ #define PTRS_PER_PGD 2048 -#define FIRST_USER_ADDRESS 0 +#define FIRST_USER_ADDRESS 0UL #define pte_ERROR(e) \ printk("%s:%d: bad pte %p.\n", __FILE__, __LINE__, (void *) pte_val(e)) @@ -249,10 +249,10 @@ static inline int is_module_addr(void *addr) _PAGE_YOUNG) /* - * handle_pte_fault uses pte_present, pte_none and pte_file to find out the - * pte type WITHOUT holding the page table lock. The _PAGE_PRESENT bit - * is used to distinguish present from not-present ptes. It is changed only - * with the page table lock held. + * handle_pte_fault uses pte_present and pte_none to find out the pte type + * WITHOUT holding the page table lock. The _PAGE_PRESENT bit is used to + * distinguish present from not-present ptes. It is changed only with the page + * table lock held. * * The following table gives the different possible bit combinations for * the pte hardware and software bits in the last 12 bits of a pte: @@ -279,7 +279,6 @@ static inline int is_module_addr(void *addr) * * pte_present is true for the bit pattern .xx...xxxxx1, (pte & 0x001) == 0x001 * pte_none is true for the bit pattern .10...xxxx00, (pte & 0x603) == 0x400 - * pte_file is true for the bit pattern .11...xxxxx0, (pte & 0x601) == 0x600 * pte_swap is true for the bit pattern .10...xxxx10, (pte & 0x603) == 0x402 */ @@ -671,13 +670,6 @@ static inline int pte_swap(pte_t pte) == (_PAGE_INVALID | _PAGE_TYPE); } -static inline int pte_file(pte_t pte) -{ - /* Bit pattern: (pte & 0x601) == 0x600 */ - return (pte_val(pte) & (_PAGE_INVALID | _PAGE_PROTECT | _PAGE_PRESENT)) - == (_PAGE_INVALID | _PAGE_PROTECT); -} - static inline int pte_special(pte_t pte) { return (pte_val(pte) & _PAGE_SPECIAL); @@ -1756,19 +1748,6 @@ static inline pte_t mk_swap_pte(unsigned long type, unsigned long offset) #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) -#ifndef CONFIG_64BIT -# define PTE_FILE_MAX_BITS 26 -#else /* CONFIG_64BIT */ -# define PTE_FILE_MAX_BITS 59 -#endif /* CONFIG_64BIT */ - -#define pte_to_pgoff(__pte) \ - ((((__pte).pte >> 12) << 7) + (((__pte).pte >> 1) & 0x7f)) - -#define pgoff_to_pte(__off) \ - ((pte_t) { ((((__off) & 0x7f) << 1) + (((__off) >> 7) << 12)) \ - | _PAGE_INVALID | _PAGE_PROTECT }) - #endif /* !__ASSEMBLY__ */ #define kern_addr_valid(addr) (1) @@ -1779,6 +1758,10 @@ extern int s390_enable_sie(void); extern int s390_enable_skey(void); extern void s390_reset_cmma(struct mm_struct *mm); +/* s390 has a private copy of get unmapped area to deal with cache synonyms */ +#define HAVE_ARCH_UNMAPPED_AREA +#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN + /* * No page table caches to initialise */ diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index bed05ea7ec27..e7cbbdcdee13 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -215,10 +215,7 @@ static inline unsigned short stap(void) /* * Give up the time slice of the virtual PU. */ -static inline void cpu_relax(void) -{ - barrier(); -} +void cpu_relax(void); #define cpu_relax_lowlatency() barrier() diff --git a/arch/s390/include/asm/reset.h b/arch/s390/include/asm/reset.h index 804578587a7a..72786067b300 100644 --- a/arch/s390/include/asm/reset.h +++ b/arch/s390/include/asm/reset.h @@ -15,5 +15,6 @@ struct reset_call { extern void register_reset_call(struct reset_call *reset); extern void unregister_reset_call(struct reset_call *reset); -extern void s390_reset_system(void (*func)(void *), void *data); +extern void s390_reset_system(void (*fn_pre)(void), + void (*fn_post)(void *), void *data); #endif /* _ASM_S390_RESET_H */ diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h index 1aba89b53cb9..f1096bab5199 100644 --- a/arch/s390/include/asm/sclp.h +++ b/arch/s390/include/asm/sclp.h @@ -27,11 +27,12 @@ struct sclp_ipl_info { }; struct sclp_cpu_entry { - u8 address; + u8 core_id; u8 reserved0[2]; u8 : 3; u8 siif : 1; - u8 : 4; + u8 sigpif : 1; + u8 : 3; u8 reserved2[10]; u8 type; u8 reserved1; @@ -51,6 +52,9 @@ int sclp_cpu_deconfigure(u8 cpu); unsigned long long sclp_get_rnmax(void); unsigned long long sclp_get_rzm(void); unsigned int sclp_get_max_cpu(void); +unsigned int sclp_get_mtid(u8 cpu_type); +unsigned int sclp_get_mtid_max(void); +unsigned int sclp_get_mtid_prev(void); int sclp_sdias_blk_count(void); int sclp_sdias_copy(void *dest, int blk_num, int nr_blks); int sclp_chp_configure(struct chp_id chpid); @@ -66,6 +70,9 @@ int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode); unsigned long sclp_get_hsa_size(void); void sclp_early_detect(void); int sclp_has_siif(void); +int sclp_has_sigpif(void); unsigned int sclp_get_ibc(void); +long _sclp_print_early(const char *); + #endif /* _ASM_S390_SCLP_H */ diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h index 7736fdd72595..b8d1e54b4733 100644 --- a/arch/s390/include/asm/setup.h +++ b/arch/s390/include/asm/setup.h @@ -57,6 +57,7 @@ extern void detect_memory_memblock(void); #define MACHINE_FLAG_TE (1UL << 15) #define MACHINE_FLAG_TLB_LC (1UL << 17) #define MACHINE_FLAG_VX (1UL << 18) +#define MACHINE_FLAG_CAD (1UL << 19) #define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM) #define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM) @@ -80,6 +81,7 @@ extern void detect_memory_memblock(void); #define MACHINE_HAS_TE (0) #define MACHINE_HAS_TLB_LC (0) #define MACHINE_HAS_VX (0) +#define MACHINE_HAS_CAD (0) #else /* CONFIG_64BIT */ #define MACHINE_HAS_IEEE (1) #define MACHINE_HAS_CSP (1) @@ -93,6 +95,7 @@ extern void detect_memory_memblock(void); #define MACHINE_HAS_TE (S390_lowcore.machine_flags & MACHINE_FLAG_TE) #define MACHINE_HAS_TLB_LC (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_LC) #define MACHINE_HAS_VX (S390_lowcore.machine_flags & MACHINE_FLAG_VX) +#define MACHINE_HAS_CAD (S390_lowcore.machine_flags & MACHINE_FLAG_CAD) #endif /* CONFIG_64BIT */ /* diff --git a/arch/s390/include/asm/sigp.h b/arch/s390/include/asm/sigp.h index fad4ae23ece0..ec60cf7fa0a2 100644 --- a/arch/s390/include/asm/sigp.h +++ b/arch/s390/include/asm/sigp.h @@ -16,6 +16,7 @@ #define SIGP_SET_ARCHITECTURE 18 #define SIGP_COND_EMERGENCY_SIGNAL 19 #define SIGP_SENSE_RUNNING 21 +#define SIGP_SET_MULTI_THREADING 22 #define SIGP_STORE_ADDITIONAL_STATUS 23 /* SIGP condition codes */ diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h index 762d4f88af5a..b3bd0282dd98 100644 --- a/arch/s390/include/asm/smp.h +++ b/arch/s390/include/asm/smp.h @@ -16,6 +16,8 @@ #define raw_smp_processor_id() (S390_lowcore.cpu_nr) extern struct mutex smp_cpu_state_mutex; +extern unsigned int smp_cpu_mt_shift; +extern unsigned int smp_cpu_mtid; extern int __cpu_up(unsigned int cpu, struct task_struct *tidle); @@ -35,6 +37,8 @@ extern void smp_fill_possible_mask(void); #else /* CONFIG_SMP */ +#define smp_cpu_mtid 0 + static inline void smp_call_ipl_cpu(void (*func)(void *), void *data) { func(data); diff --git a/arch/s390/include/asm/string.h b/arch/s390/include/asm/string.h index 7e2dcd7c57ef..8662f5c8e17f 100644 --- a/arch/s390/include/asm/string.h +++ b/arch/s390/include/asm/string.h @@ -44,7 +44,6 @@ extern char *strstr(const char *, const char *); #undef __HAVE_ARCH_STRCHR #undef __HAVE_ARCH_STRNCHR #undef __HAVE_ARCH_STRNCMP -#undef __HAVE_ARCH_STRNICMP #undef __HAVE_ARCH_STRPBRK #undef __HAVE_ARCH_STRSEP #undef __HAVE_ARCH_STRSPN diff --git a/arch/s390/include/asm/sysinfo.h b/arch/s390/include/asm/sysinfo.h index f92428e459f8..f7054a892d9e 100644 --- a/arch/s390/include/asm/sysinfo.h +++ b/arch/s390/include/asm/sysinfo.h @@ -15,6 +15,7 @@ #define __ASM_S390_SYSINFO_H #include <asm/bitsperlong.h> +#include <linux/uuid.h> struct sysinfo_1_1_1 { unsigned char p:1; @@ -90,7 +91,11 @@ struct sysinfo_2_2_2 { unsigned short cpus_reserved; char name[8]; unsigned int caf; - char reserved_2[16]; + char reserved_2[8]; + unsigned char mt_installed; + unsigned char mt_general; + unsigned char mt_psmtid; + char reserved_3[5]; unsigned short cpus_dedicated; unsigned short cpus_shared; }; @@ -112,34 +117,39 @@ struct sysinfo_3_2_2 { char name[8]; unsigned int caf; char cpi[16]; - char reserved_1[24]; - + char reserved_1[3]; + char ext_name_encoding; + unsigned int reserved_2; + uuid_be uuid; } vm[8]; - char reserved_544[3552]; + char reserved_3[1504]; + char ext_names[8][256]; }; extern int topology_max_mnest; -#define TOPOLOGY_CPU_BITS 64 +#define TOPOLOGY_CORE_BITS 64 #define TOPOLOGY_NR_MAG 6 -struct topology_cpu { - unsigned char reserved0[4]; +struct topology_core { + unsigned char nl; + unsigned char reserved0[3]; unsigned char :6; unsigned char pp:2; unsigned char reserved1; unsigned short origin; - unsigned long mask[TOPOLOGY_CPU_BITS / BITS_PER_LONG]; + unsigned long mask[TOPOLOGY_CORE_BITS / BITS_PER_LONG]; }; struct topology_container { - unsigned char reserved[7]; + unsigned char nl; + unsigned char reserved[6]; unsigned char id; }; union topology_entry { unsigned char nl; - struct topology_cpu cpu; + struct topology_core cpu; struct topology_container container; }; diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h index 4d62fd5b56e5..ef1df718642d 100644 --- a/arch/s390/include/asm/thread_info.h +++ b/arch/s390/include/asm/thread_info.h @@ -39,7 +39,6 @@ struct thread_info { unsigned long sys_call_table; /* System call table address */ unsigned int cpu; /* current CPU */ int preempt_count; /* 0 => preemptable, <0 => BUG */ - struct restart_block restart_block; unsigned int system_call; __u64 user_timer; __u64 system_timer; @@ -56,9 +55,6 @@ struct thread_info { .flags = 0, \ .cpu = 0, \ .preempt_count = INIT_PREEMPT_COUNT, \ - .restart_block = { \ - .fn = do_no_restart_syscall, \ - }, \ } #define init_thread_info (init_thread_union.thread_info) diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h index 8beee1cceba4..98eb2a579223 100644 --- a/arch/s390/include/asm/timex.h +++ b/arch/s390/include/asm/timex.h @@ -67,20 +67,22 @@ static inline void local_tick_enable(unsigned long long comp) set_clock_comparator(S390_lowcore.clock_comparator); } -#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ +#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ +#define STORE_CLOCK_EXT_SIZE 16 /* stcke writes 16 bytes */ typedef unsigned long long cycles_t; -static inline void get_tod_clock_ext(char clk[16]) +static inline void get_tod_clock_ext(char *clk) { - typedef struct { char _[sizeof(clk)]; } addrtype; + typedef struct { char _[STORE_CLOCK_EXT_SIZE]; } addrtype; asm volatile("stcke %0" : "=Q" (*(addrtype *) clk) : : "cc"); } static inline unsigned long long get_tod_clock(void) { - unsigned char clk[16]; + unsigned char clk[STORE_CLOCK_EXT_SIZE]; + get_tod_clock_ext(clk); return *((unsigned long long *)&clk[1]); } diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h index 56af53093d24..c4fbb9527c5c 100644 --- a/arch/s390/include/asm/topology.h +++ b/arch/s390/include/asm/topology.h @@ -9,9 +9,11 @@ struct cpu; #ifdef CONFIG_SCHED_BOOK struct cpu_topology_s390 { + unsigned short thread_id; unsigned short core_id; unsigned short socket_id; unsigned short book_id; + cpumask_t thread_mask; cpumask_t core_mask; cpumask_t book_mask; }; @@ -19,6 +21,8 @@ struct cpu_topology_s390 { extern struct cpu_topology_s390 cpu_topology[NR_CPUS]; #define topology_physical_package_id(cpu) (cpu_topology[cpu].socket_id) +#define topology_thread_id(cpu) (cpu_topology[cpu].thread_id) +#define topology_thread_cpumask(cpu) (&cpu_topology[cpu].thread_mask) #define topology_core_id(cpu) (cpu_topology[cpu].core_id) #define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_mask) #define topology_book_id(cpu) (cpu_topology[cpu].book_id) diff --git a/arch/s390/include/uapi/asm/hypfs.h b/arch/s390/include/uapi/asm/hypfs.h index 37998b449531..b3fe12d8dd87 100644 --- a/arch/s390/include/uapi/asm/hypfs.h +++ b/arch/s390/include/uapi/asm/hypfs.h @@ -1,16 +1,19 @@ /* - * IOCTL interface for hypfs + * Structures for hypfs interface * * Copyright IBM Corp. 2013 * * Author: Martin Schwidefsky <schwidefsky@de.ibm.com> */ -#ifndef _ASM_HYPFS_CTL_H -#define _ASM_HYPFS_CTL_H +#ifndef _ASM_HYPFS_H +#define _ASM_HYPFS_H #include <linux/types.h> +/* + * IOCTL for binary interface /sys/kernel/debug/diag_304 + */ struct hypfs_diag304 { __u32 args[2]; __u64 data; @@ -22,4 +25,30 @@ struct hypfs_diag304 { #define HYPFS_DIAG304 \ _IOWR(HYPFS_IOCTL_MAGIC, 0x20, struct hypfs_diag304) +/* + * Structures for binary interface /sys/kernel/debug/diag_0c + */ +struct hypfs_diag0c_hdr { + __u64 len; /* Length of diag0c buffer without header */ + __u16 version; /* Version of header */ + char reserved1[6]; /* Reserved */ + char tod_ext[16]; /* TOD clock for diag0c */ + __u64 count; /* Number of entries (CPUs) in diag0c array */ + char reserved2[24]; /* Reserved */ +}; + +struct hypfs_diag0c_entry { + char date[8]; /* MM/DD/YY in EBCDIC */ + char time[8]; /* HH:MM:SS in EBCDIC */ + __u64 virtcpu; /* Virtual time consumed by the virt CPU (us) */ + __u64 totalproc; /* Total of virtual and simulation time (us) */ + __u32 cpu; /* Linux logical CPU number */ + __u32 reserved; /* Align to 8 byte */ +}; + +struct hypfs_diag0c_data { + struct hypfs_diag0c_hdr hdr; /* 64 byte header */ + struct hypfs_diag0c_entry entry[]; /* diag0c entry array */ +}; + #endif diff --git a/arch/s390/include/uapi/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h index 48eda3ab4944..9c77e60b9a26 100644 --- a/arch/s390/include/uapi/asm/kvm.h +++ b/arch/s390/include/uapi/asm/kvm.h @@ -57,10 +57,44 @@ struct kvm_s390_io_adapter_req { /* kvm attr_group on vm fd */ #define KVM_S390_VM_MEM_CTRL 0 +#define KVM_S390_VM_TOD 1 +#define KVM_S390_VM_CRYPTO 2 +#define KVM_S390_VM_CPU_MODEL 3 /* kvm attributes for mem_ctrl */ #define KVM_S390_VM_MEM_ENABLE_CMMA 0 #define KVM_S390_VM_MEM_CLR_CMMA 1 +#define KVM_S390_VM_MEM_LIMIT_SIZE 2 + +/* kvm attributes for KVM_S390_VM_TOD */ +#define KVM_S390_VM_TOD_LOW 0 +#define KVM_S390_VM_TOD_HIGH 1 + +/* kvm attributes for KVM_S390_VM_CPU_MODEL */ +/* processor related attributes are r/w */ +#define KVM_S390_VM_CPU_PROCESSOR 0 +struct kvm_s390_vm_cpu_processor { + __u64 cpuid; + __u16 ibc; + __u8 pad[6]; + __u64 fac_list[256]; +}; + +/* machine related attributes are r/o */ +#define KVM_S390_VM_CPU_MACHINE 1 +struct kvm_s390_vm_cpu_machine { + __u64 cpuid; + __u32 ibc; + __u8 pad[4]; + __u64 fac_mask[256]; + __u64 fac_list[256]; +}; + +/* kvm attributes for crypto */ +#define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0 +#define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1 +#define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2 +#define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3 /* for KVM_GET_REGS and KVM_SET_REGS */ struct kvm_regs { @@ -107,6 +141,9 @@ struct kvm_guest_debug_arch { struct kvm_hw_breakpoint __user *hw_bp; }; +/* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */ +#define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL + #define KVM_SYNC_PREFIX (1UL << 0) #define KVM_SYNC_GPRS (1UL << 1) #define KVM_SYNC_ACRS (1UL << 2) diff --git a/arch/s390/include/uapi/asm/unistd.h b/arch/s390/include/uapi/asm/unistd.h index 2b446cf0cc65..67878af257a0 100644 --- a/arch/s390/include/uapi/asm/unistd.h +++ b/arch/s390/include/uapi/asm/unistd.h @@ -289,7 +289,8 @@ #define __NR_bpf 351 #define __NR_s390_pci_mmio_write 352 #define __NR_s390_pci_mmio_read 353 -#define NR_syscalls 354 +#define __NR_execveat 354 +#define NR_syscalls 355 /* * There are some system calls that are not present on 64 bit, some |