diff options
Diffstat (limited to 'arch/s390/include/asm')
| -rw-r--r-- | arch/s390/include/asm/bug.h | 4 | ||||
| -rw-r--r-- | arch/s390/include/asm/compat.h | 1 | ||||
| -rw-r--r-- | arch/s390/include/asm/ctl_reg.h | 4 | ||||
| -rw-r--r-- | arch/s390/include/asm/diag.h | 26 | ||||
| -rw-r--r-- | arch/s390/include/asm/dma-mapping.h | 2 | ||||
| -rw-r--r-- | arch/s390/include/asm/elf.h | 15 | ||||
| -rw-r--r-- | arch/s390/include/asm/hugetlb.h | 5 | ||||
| -rw-r--r-- | arch/s390/include/asm/kexec.h | 18 | ||||
| -rw-r--r-- | arch/s390/include/asm/kvm_host.h | 33 | ||||
| -rw-r--r-- | arch/s390/include/asm/nmi.h | 6 | ||||
| -rw-r--r-- | arch/s390/include/asm/syscall.h | 6 | ||||
| -rw-r--r-- | arch/s390/include/asm/uaccess.h | 20 |
12 files changed, 75 insertions, 65 deletions
diff --git a/arch/s390/include/asm/bug.h b/arch/s390/include/asm/bug.h index 1bbd9dbfe4e0..ce9cc123988b 100644 --- a/arch/s390/include/asm/bug.h +++ b/arch/s390/include/asm/bug.h @@ -14,7 +14,7 @@ ".section .rodata.str,\"aMS\",@progbits,1\n" \ "2: .asciz \""__FILE__"\"\n" \ ".previous\n" \ - ".section __bug_table,\"a\"\n" \ + ".section __bug_table,\"aw\"\n" \ "3: .long 1b-3b,2b-3b\n" \ " .short %0,%1\n" \ " .org 3b+%2\n" \ @@ -30,7 +30,7 @@ asm volatile( \ "0: j 0b+2\n" \ "1:\n" \ - ".section __bug_table,\"a\"\n" \ + ".section __bug_table,\"aw\"\n" \ "2: .long 1b-2b\n" \ " .short %0\n" \ " .org 2b+%1\n" \ diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h index 0ddd37e6c29d..b9300f8aee10 100644 --- a/arch/s390/include/asm/compat.h +++ b/arch/s390/include/asm/compat.h @@ -178,7 +178,6 @@ struct compat_statfs64 { u32 f_spare[4]; }; -#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff #define COMPAT_RLIM_INFINITY 0xffffffff typedef u32 compat_old_sigset_t; /* at least 32 bits */ diff --git a/arch/s390/include/asm/ctl_reg.h b/arch/s390/include/asm/ctl_reg.h index d0441ad2a990..e508dff92535 100644 --- a/arch/s390/include/asm/ctl_reg.h +++ b/arch/s390/include/asm/ctl_reg.h @@ -59,7 +59,9 @@ union ctlreg0 { unsigned long lap : 1; /* Low-address-protection control */ unsigned long : 4; unsigned long edat : 1; /* Enhanced-DAT-enablement control */ - unsigned long : 4; + 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; diff --git a/arch/s390/include/asm/diag.h b/arch/s390/include/asm/diag.h index 8acf482162ed..88162bb5c190 100644 --- a/arch/s390/include/asm/diag.h +++ b/arch/s390/include/asm/diag.h @@ -8,6 +8,7 @@ #ifndef _ASM_S390_DIAG_H #define _ASM_S390_DIAG_H +#include <linux/if_ether.h> #include <linux/percpu.h> enum diag_stat_enum { @@ -24,6 +25,7 @@ enum diag_stat_enum { DIAG_STAT_X224, DIAG_STAT_X250, DIAG_STAT_X258, + DIAG_STAT_X26C, DIAG_STAT_X288, DIAG_STAT_X2C4, DIAG_STAT_X2FC, @@ -225,6 +227,30 @@ struct diag204_x_phys_block { struct diag204_x_phys_cpu cpus[]; } __packed; +enum diag26c_sc { + DIAG26C_MAC_SERVICES = 0x00000030 +}; + +enum diag26c_version { + DIAG26C_VERSION2 = 0x00000002 /* z/VM 5.4.0 */ +}; + +#define DIAG26C_GET_MAC 0x0000 +struct diag26c_mac_req { + u32 resp_buf_len; + u32 resp_version; + u16 op_code; + u16 devno; + u8 res[4]; +}; + +struct diag26c_mac_resp { + u32 version; + u8 mac[ETH_ALEN]; + u8 res[2]; +} __aligned(8); + int diag204(unsigned long subcode, unsigned long size, void *addr); int diag224(void *ptr); +int diag26c(void *req, void *resp, enum diag26c_sc subcode); #endif /* _ASM_S390_DIAG_H */ diff --git a/arch/s390/include/asm/dma-mapping.h b/arch/s390/include/asm/dma-mapping.h index 3108b8dbe266..512ad0eaa11a 100644 --- a/arch/s390/include/asm/dma-mapping.h +++ b/arch/s390/include/asm/dma-mapping.h @@ -8,8 +8,6 @@ #include <linux/dma-debug.h> #include <linux/io.h> -#define DMA_ERROR_CODE (~(dma_addr_t) 0x0) - extern const struct dma_map_ops s390_pci_dma_ops; static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h index ec024c08dabe..c92ed0170be2 100644 --- a/arch/s390/include/asm/elf.h +++ b/arch/s390/include/asm/elf.h @@ -193,14 +193,13 @@ struct arch_elf_state { #define CORE_DUMP_USE_REGSET #define ELF_EXEC_PAGESIZE 4096 -/* This is the location that an ET_DYN program is loaded if exec'ed. Typical - use of this is to invoke "./ld.so someprog" to test out a new version of - 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. 64-bit - tasks are aligned to 4GB. */ -#define ELF_ET_DYN_BASE (is_compat_task() ? \ - (STACK_TOP / 3 * 2) : \ - (STACK_TOP / 3 * 2) & ~((1UL << 32) - 1)) +/* + * This is the base location for PIE (ET_DYN with INTERP) loads. On + * 64-bit, this is raised to 4GB to leave the entire 32-bit address + * space open for things that want to use the area for 32-bit pointers. + */ +#define ELF_ET_DYN_BASE (is_compat_task() ? 0x000400000UL : \ + 0x100000000UL) /* This yields a mask that user programs can use to figure out what instruction set this CPU supports. */ diff --git a/arch/s390/include/asm/hugetlb.h b/arch/s390/include/asm/hugetlb.h index cd546a245c68..d95869ce3ca2 100644 --- a/arch/s390/include/asm/hugetlb.h +++ b/arch/s390/include/asm/hugetlb.h @@ -39,7 +39,7 @@ static inline int prepare_hugepage_range(struct file *file, #define arch_clear_hugepage_flags(page) do { } while (0) static inline void huge_pte_clear(struct mm_struct *mm, unsigned long addr, - pte_t *ptep) + pte_t *ptep, unsigned long sz) { if ((pte_val(*ptep) & _REGION_ENTRY_TYPE_MASK) == _REGION_ENTRY_TYPE_R3) pte_val(*ptep) = _REGION3_ENTRY_EMPTY; @@ -112,4 +112,7 @@ static inline pte_t huge_pte_modify(pte_t pte, pgprot_t newprot) return pte_modify(pte, newprot); } +#ifdef CONFIG_ARCH_HAS_GIGANTIC_PAGE +static inline bool gigantic_page_supported(void) { return true; } +#endif #endif /* _ASM_S390_HUGETLB_H */ diff --git a/arch/s390/include/asm/kexec.h b/arch/s390/include/asm/kexec.h index 2f924bc30e35..dccf24ee26d3 100644 --- a/arch/s390/include/asm/kexec.h +++ b/arch/s390/include/asm/kexec.h @@ -41,24 +41,6 @@ /* The native architecture */ #define KEXEC_ARCH KEXEC_ARCH_S390 -/* - * Size for s390x ELF notes per CPU - * - * Seven notes plus zero note at the end: prstatus, fpregset, timer, - * tod_cmp, tod_reg, control regs, and prefix - */ -#define KEXEC_NOTE_BYTES \ - (ALIGN(sizeof(struct elf_note), 4) * 8 + \ - ALIGN(sizeof("CORE"), 4) * 7 + \ - ALIGN(sizeof(struct elf_prstatus), 4) + \ - ALIGN(sizeof(elf_fpregset_t), 4) + \ - ALIGN(sizeof(u64), 4) + \ - ALIGN(sizeof(u64), 4) + \ - ALIGN(sizeof(u32), 4) + \ - ALIGN(sizeof(u64) * 16, 4) + \ - ALIGN(sizeof(u32), 4) \ - ) - /* Provide a dummy definition to avoid build failures. */ static inline void crash_setup_regs(struct pt_regs *newregs, struct pt_regs *oldregs) { } diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index 6baae236f461..a409d5991934 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -42,9 +42,11 @@ #define KVM_HALT_POLL_NS_DEFAULT 80000 /* s390-specific vcpu->requests bit members */ -#define KVM_REQ_ENABLE_IBS 8 -#define KVM_REQ_DISABLE_IBS 9 -#define KVM_REQ_ICPT_OPEREXC 10 +#define KVM_REQ_ENABLE_IBS KVM_ARCH_REQ(0) +#define KVM_REQ_DISABLE_IBS KVM_ARCH_REQ(1) +#define KVM_REQ_ICPT_OPEREXC KVM_ARCH_REQ(2) +#define KVM_REQ_START_MIGRATION KVM_ARCH_REQ(3) +#define KVM_REQ_STOP_MIGRATION KVM_ARCH_REQ(4) #define SIGP_CTRL_C 0x80 #define SIGP_CTRL_SCN_MASK 0x3f @@ -56,7 +58,7 @@ union bsca_sigp_ctrl { __u8 r : 1; __u8 scn : 6; }; -} __packed; +}; union esca_sigp_ctrl { __u16 value; @@ -65,14 +67,14 @@ union esca_sigp_ctrl { __u8 reserved: 7; __u8 scn; }; -} __packed; +}; struct esca_entry { union esca_sigp_ctrl sigp_ctrl; __u16 reserved1[3]; __u64 sda; __u64 reserved2[6]; -} __packed; +}; struct bsca_entry { __u8 reserved0; @@ -80,7 +82,7 @@ struct bsca_entry { __u16 reserved[3]; __u64 sda; __u64 reserved2[2]; -} __attribute__((packed)); +}; union ipte_control { unsigned long val; @@ -97,7 +99,7 @@ struct bsca_block { __u64 mcn; __u64 reserved2; struct bsca_entry cpu[KVM_S390_BSCA_CPU_SLOTS]; -} __attribute__((packed)); +}; struct esca_block { union ipte_control ipte_control; @@ -105,7 +107,7 @@ struct esca_block { __u64 mcn[4]; __u64 reserved2[20]; struct esca_entry cpu[KVM_S390_ESCA_CPU_SLOTS]; -} __packed; +}; /* * This struct is used to store some machine check info from lowcore @@ -274,7 +276,7 @@ struct kvm_s390_sie_block { struct kvm_s390_itdb { __u8 data[256]; -} __packed; +}; struct sie_page { struct kvm_s390_sie_block sie_block; @@ -282,7 +284,7 @@ struct sie_page { __u8 reserved218[1000]; /* 0x0218 */ struct kvm_s390_itdb itdb; /* 0x0600 */ __u8 reserved700[2304]; /* 0x0700 */ -} __packed; +}; struct kvm_vcpu_stat { u64 exit_userspace; @@ -695,7 +697,7 @@ struct sie_page2 { __u64 fac_list[S390_ARCH_FAC_LIST_SIZE_U64]; /* 0x0000 */ struct kvm_s390_crypto_cb crycb; /* 0x0800 */ u8 reserved900[0x1000 - 0x900]; /* 0x0900 */ -} __packed; +}; struct kvm_s390_vsie { struct mutex mutex; @@ -705,6 +707,12 @@ struct kvm_s390_vsie { struct page *pages[KVM_MAX_VCPUS]; }; +struct kvm_s390_migration_state { + unsigned long bitmap_size; /* in bits (number of guest pages) */ + atomic64_t dirty_pages; /* number of dirty pages */ + unsigned long *pgste_bitmap; +}; + struct kvm_arch{ void *sca; int use_esca; @@ -732,6 +740,7 @@ struct kvm_arch{ struct kvm_s390_crypto crypto; struct kvm_s390_vsie vsie; u64 epoch; + struct kvm_s390_migration_state *migration_state; /* subset of available cpu features enabled by user space */ DECLARE_BITMAP(cpu_feat, KVM_S390_VM_CPU_FEAT_NR_BITS); }; diff --git a/arch/s390/include/asm/nmi.h b/arch/s390/include/asm/nmi.h index 13623b9991d4..9d91cf3e427f 100644 --- a/arch/s390/include/asm/nmi.h +++ b/arch/s390/include/asm/nmi.h @@ -26,6 +26,12 @@ #define MCCK_CODE_PSW_MWP_VALID _BITUL(63 - 20) #define MCCK_CODE_PSW_IA_VALID _BITUL(63 - 23) +#define MCCK_CR14_CR_PENDING_SUB_MASK (1 << 28) +#define MCCK_CR14_RECOVERY_SUB_MASK (1 << 27) +#define MCCK_CR14_DEGRAD_SUB_MASK (1 << 26) +#define MCCK_CR14_EXT_DAMAGE_SUB_MASK (1 << 25) +#define MCCK_CR14_WARN_SUB_MASK (1 << 24) + #ifndef __ASSEMBLY__ union mci { diff --git a/arch/s390/include/asm/syscall.h b/arch/s390/include/asm/syscall.h index 6ba0bf928909..6bc941be6921 100644 --- a/arch/s390/include/asm/syscall.h +++ b/arch/s390/include/asm/syscall.h @@ -64,6 +64,12 @@ static inline void syscall_get_arguments(struct task_struct *task, { unsigned long mask = -1UL; + /* + * No arguments for this syscall, there's nothing to do. + */ + if (!n) + return; + BUG_ON(i + n > 6); #ifdef CONFIG_COMPAT if (test_tsk_thread_flag(task, TIF_31BIT)) diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h index 78f3f093d143..304cfe44df50 100644 --- a/arch/s390/include/asm/uaccess.h +++ b/arch/s390/include/asm/uaccess.h @@ -249,9 +249,6 @@ int __put_user_bad(void) __attribute__((noreturn)); int __get_user_bad(void) __attribute__((noreturn)); -#define __put_user_unaligned __put_user -#define __get_user_unaligned __get_user - unsigned long __must_check raw_copy_in_user(void __user *to, const void __user *from, unsigned long n); @@ -276,23 +273,6 @@ static inline unsigned long strnlen_user(const char __user *src, unsigned long n return __strnlen_user(src, n); } -/** - * strlen_user: - Get the size of a string in user space. - * @str: The string to measure. - * - * Context: User context only. This function may sleep if pagefaults are - * enabled. - * - * Get the size of a NUL-terminated string in user space. - * - * Returns the size of the string INCLUDING the terminating NUL. - * On exception, returns 0. - * - * If there is a limit on the length of a valid string, you may wish to - * consider using strnlen_user() instead. - */ -#define strlen_user(str) strnlen_user(str, ~0UL) - /* * Zero Userspace */ |
