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-rw-r--r--arch/s390/include/asm/barrier.h2
-rw-r--r--arch/s390/include/asm/cio.h1
-rw-r--r--arch/s390/include/asm/elf.h20
-rw-r--r--arch/s390/include/asm/ipl.h3
-rw-r--r--arch/s390/include/asm/kvm_host.h57
-rw-r--r--arch/s390/include/asm/pci_dma.h4
-rw-r--r--arch/s390/include/asm/sclp.h8
-rw-r--r--arch/s390/include/asm/trace/diag.h6
-rw-r--r--arch/s390/include/uapi/asm/kvm.h5
-rw-r--r--arch/s390/include/uapi/asm/socket.h3
-rw-r--r--arch/s390/include/uapi/asm/unistd.h19
11 files changed, 102 insertions, 26 deletions
diff --git a/arch/s390/include/asm/barrier.h b/arch/s390/include/asm/barrier.h
index d68e11e0df5e..7ffd0b19135c 100644
--- a/arch/s390/include/asm/barrier.h
+++ b/arch/s390/include/asm/barrier.h
@@ -36,7 +36,7 @@
#define smp_mb__before_atomic() smp_mb()
#define smp_mb__after_atomic() smp_mb()
-#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); mb(); } while (0)
+#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); smp_mb(); } while (0)
#define smp_store_release(p, v) \
do { \
diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h
index 0c5d8ee657f0..d1e7b0a0feeb 100644
--- a/arch/s390/include/asm/cio.h
+++ b/arch/s390/include/asm/cio.h
@@ -312,6 +312,7 @@ extern void css_schedule_reprobe(void);
extern void reipl_ccw_dev(struct ccw_dev_id *id);
struct cio_iplinfo {
+ u8 ssid;
u16 devno;
int is_qdio;
};
diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
index 3ad48f22de78..08e34a5dc909 100644
--- a/arch/s390/include/asm/elf.h
+++ b/arch/s390/include/asm/elf.h
@@ -104,6 +104,9 @@
#define HWCAP_S390_TE 1024
#define HWCAP_S390_VXRS 2048
+/* Internal bits, not exposed via elf */
+#define HWCAP_INT_SIE 1UL
+
/*
* These are used to set parameters in the core dumps.
*/
@@ -169,6 +172,10 @@ extern unsigned int vdso_enabled;
extern unsigned long elf_hwcap;
#define ELF_HWCAP (elf_hwcap)
+/* Internal hardware capabilities, not exposed via elf */
+
+extern unsigned long int_hwcap;
+
/* This yields a string that ld.so will use to load implementation
specific libraries for optimization. This is more specific in
intent than poking at uname or /proc/cpuinfo.
@@ -206,9 +213,16 @@ do { \
} while (0)
#endif /* CONFIG_COMPAT */
-extern unsigned long mmap_rnd_mask;
-
-#define STACK_RND_MASK (test_thread_flag(TIF_31BIT) ? 0x7ff : mmap_rnd_mask)
+/*
+ * Cache aliasing on the latest machines calls for a mapping granularity
+ * of 512KB. For 64-bit processes use a 512KB alignment and a randomization
+ * of up to 1GB. For 31-bit processes the virtual address space is limited,
+ * use no alignment and limit the randomization to 8MB.
+ */
+#define BRK_RND_MASK (is_32bit_task() ? 0x7ffUL : 0x3ffffUL)
+#define MMAP_RND_MASK (is_32bit_task() ? 0x7ffUL : 0x3ff80UL)
+#define MMAP_ALIGN_MASK (is_32bit_task() ? 0 : 0x7fUL)
+#define STACK_RND_MASK MMAP_RND_MASK
#define ARCH_DLINFO \
do { \
diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h
index 39ae6a359747..86634e71b69f 100644
--- a/arch/s390/include/asm/ipl.h
+++ b/arch/s390/include/asm/ipl.h
@@ -64,7 +64,8 @@ struct ipl_block_fcp {
struct ipl_block_ccw {
u8 reserved1[84];
- u8 reserved2[2];
+ u16 reserved2 : 13;
+ u8 ssid : 3;
u16 devno;
u8 vm_flags;
u8 reserved3[3];
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index efaac2c3bb77..6742414dbd6f 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -25,7 +25,9 @@
#include <asm/fpu/api.h>
#include <asm/isc.h>
-#define KVM_MAX_VCPUS 64
+#define KVM_S390_BSCA_CPU_SLOTS 64
+#define KVM_S390_ESCA_CPU_SLOTS 248
+#define KVM_MAX_VCPUS KVM_S390_ESCA_CPU_SLOTS
#define KVM_USER_MEM_SLOTS 32
/*
@@ -37,12 +39,41 @@
#define KVM_IRQCHIP_NUM_PINS 4096
#define KVM_HALT_POLL_NS_DEFAULT 0
+/* s390-specific vcpu->requests bit members */
+#define KVM_REQ_ENABLE_IBS 8
+#define KVM_REQ_DISABLE_IBS 9
+
#define SIGP_CTRL_C 0x80
#define SIGP_CTRL_SCN_MASK 0x3f
-struct sca_entry {
+union bsca_sigp_ctrl {
+ __u8 value;
+ struct {
+ __u8 c : 1;
+ __u8 r : 1;
+ __u8 scn : 6;
+ };
+} __packed;
+
+union esca_sigp_ctrl {
+ __u16 value;
+ struct {
+ __u8 c : 1;
+ __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;
- __u8 sigp_ctrl;
+ union bsca_sigp_ctrl sigp_ctrl;
__u16 reserved[3];
__u64 sda;
__u64 reserved2[2];
@@ -57,14 +88,22 @@ union ipte_control {
};
};
-struct sca_block {
+struct bsca_block {
union ipte_control ipte_control;
__u64 reserved[5];
__u64 mcn;
__u64 reserved2;
- struct sca_entry cpu[64];
+ struct bsca_entry cpu[KVM_S390_BSCA_CPU_SLOTS];
} __attribute__((packed));
+struct esca_block {
+ union ipte_control ipte_control;
+ __u64 reserved1[7];
+ __u64 mcn[4];
+ __u64 reserved2[20];
+ struct esca_entry cpu[KVM_S390_ESCA_CPU_SLOTS];
+} __packed;
+
#define CPUSTAT_STOPPED 0x80000000
#define CPUSTAT_WAIT 0x10000000
#define CPUSTAT_ECALL_PEND 0x08000000
@@ -182,7 +221,8 @@ struct kvm_s390_sie_block {
__u64 pp; /* 0x01de */
__u8 reserved1e6[2]; /* 0x01e6 */
__u64 itdba; /* 0x01e8 */
- __u8 reserved1f0[16]; /* 0x01f0 */
+ __u64 riccbd; /* 0x01f0 */
+ __u8 reserved1f8[8]; /* 0x01f8 */
} __attribute__((packed));
struct kvm_s390_itdb {
@@ -585,11 +625,14 @@ struct kvm_s390_crypto_cb {
};
struct kvm_arch{
- struct sca_block *sca;
+ void *sca;
+ int use_esca;
+ rwlock_t sca_lock;
debug_info_t *dbf;
struct kvm_s390_float_interrupt float_int;
struct kvm_device *flic;
struct gmap *gmap;
+ unsigned long mem_limit;
int css_support;
int use_irqchip;
int use_cmma;
diff --git a/arch/s390/include/asm/pci_dma.h b/arch/s390/include/asm/pci_dma.h
index 7a7abf1a5537..1aac41e83ea1 100644
--- a/arch/s390/include/asm/pci_dma.h
+++ b/arch/s390/include/asm/pci_dma.h
@@ -195,5 +195,7 @@ void zpci_dma_exit_device(struct zpci_dev *);
void dma_free_seg_table(unsigned long);
unsigned long *dma_alloc_cpu_table(void);
void dma_cleanup_tables(unsigned long *);
-void dma_update_cpu_trans(unsigned long *, void *, dma_addr_t, int);
+unsigned long *dma_walk_cpu_trans(unsigned long *rto, dma_addr_t dma_addr);
+void dma_update_cpu_trans(unsigned long *entry, void *page_addr, int flags);
+
#endif
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index 821dde5f425d..dea883f85d66 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -29,7 +29,10 @@ struct sclp_ipl_info {
struct sclp_core_entry {
u8 core_id;
- u8 reserved0[2];
+ u8 reserved0;
+ u8 : 4;
+ u8 sief2 : 1;
+ u8 : 3;
u8 : 3;
u8 siif : 1;
u8 sigpif : 1;
@@ -53,6 +56,9 @@ struct sclp_info {
unsigned char has_sigpif : 1;
unsigned char has_core_type : 1;
unsigned char has_sprp : 1;
+ unsigned char has_hvs : 1;
+ unsigned char has_esca : 1;
+ unsigned char has_sief2 : 1;
unsigned int ibc;
unsigned int mtid;
unsigned int mtid_cp;
diff --git a/arch/s390/include/asm/trace/diag.h b/arch/s390/include/asm/trace/diag.h
index 776f307960cc..cc6cfe7889da 100644
--- a/arch/s390/include/asm/trace/diag.h
+++ b/arch/s390/include/asm/trace/diag.h
@@ -19,7 +19,7 @@
#define TRACE_INCLUDE_PATH asm/trace
#define TRACE_INCLUDE_FILE diag
-TRACE_EVENT(diagnose,
+TRACE_EVENT(s390_diagnose,
TP_PROTO(unsigned short nr),
TP_ARGS(nr),
TP_STRUCT__entry(
@@ -32,9 +32,9 @@ TRACE_EVENT(diagnose,
);
#ifdef CONFIG_TRACEPOINTS
-void trace_diagnose_norecursion(int diag_nr);
+void trace_s390_diagnose_norecursion(int diag_nr);
#else
-static inline void trace_diagnose_norecursion(int diag_nr) { }
+static inline void trace_s390_diagnose_norecursion(int diag_nr) { }
#endif
#endif /* _TRACE_S390_DIAG_H */
diff --git a/arch/s390/include/uapi/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h
index ef1a5fcc6c66..fe84bd5fe7ce 100644
--- a/arch/s390/include/uapi/asm/kvm.h
+++ b/arch/s390/include/uapi/asm/kvm.h
@@ -66,6 +66,8 @@ struct kvm_s390_io_adapter_req {
#define KVM_S390_VM_MEM_CLR_CMMA 1
#define KVM_S390_VM_MEM_LIMIT_SIZE 2
+#define KVM_S390_NO_MEM_LIMIT U64_MAX
+
/* kvm attributes for KVM_S390_VM_TOD */
#define KVM_S390_VM_TOD_LOW 0
#define KVM_S390_VM_TOD_HIGH 1
@@ -151,6 +153,7 @@ struct kvm_guest_debug_arch {
#define KVM_SYNC_ARCH0 (1UL << 4)
#define KVM_SYNC_PFAULT (1UL << 5)
#define KVM_SYNC_VRS (1UL << 6)
+#define KVM_SYNC_RICCB (1UL << 7)
/* definition of registers in kvm_run */
struct kvm_sync_regs {
__u64 prefix; /* prefix register */
@@ -168,6 +171,8 @@ struct kvm_sync_regs {
__u64 vrs[32][2]; /* vector registers */
__u8 reserved[512]; /* for future vector expansion */
__u32 fpc; /* only valid with vector registers */
+ __u8 padding[52]; /* riccb needs to be 64byte aligned */
+ __u8 riccb[64]; /* runtime instrumentation controls block */
};
#define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1)
diff --git a/arch/s390/include/uapi/asm/socket.h b/arch/s390/include/uapi/asm/socket.h
index 296942d56e6a..d02e89d14fef 100644
--- a/arch/s390/include/uapi/asm/socket.h
+++ b/arch/s390/include/uapi/asm/socket.h
@@ -91,4 +91,7 @@
#define SO_ATTACH_BPF 50
#define SO_DETACH_BPF SO_DETACH_FILTER
+#define SO_ATTACH_REUSEPORT_CBPF 51
+#define SO_ATTACH_REUSEPORT_EBPF 52
+
#endif /* _ASM_SOCKET_H */
diff --git a/arch/s390/include/uapi/asm/unistd.h b/arch/s390/include/uapi/asm/unistd.h
index a848adba1504..34ec202472c6 100644
--- a/arch/s390/include/uapi/asm/unistd.h
+++ b/arch/s390/include/uapi/asm/unistd.h
@@ -192,14 +192,14 @@
#define __NR_set_tid_address 252
#define __NR_fadvise64 253
#define __NR_timer_create 254
-#define __NR_timer_settime (__NR_timer_create+1)
-#define __NR_timer_gettime (__NR_timer_create+2)
-#define __NR_timer_getoverrun (__NR_timer_create+3)
-#define __NR_timer_delete (__NR_timer_create+4)
-#define __NR_clock_settime (__NR_timer_create+5)
-#define __NR_clock_gettime (__NR_timer_create+6)
-#define __NR_clock_getres (__NR_timer_create+7)
-#define __NR_clock_nanosleep (__NR_timer_create+8)
+#define __NR_timer_settime 255
+#define __NR_timer_gettime 256
+#define __NR_timer_getoverrun 257
+#define __NR_timer_delete 258
+#define __NR_clock_settime 259
+#define __NR_clock_gettime 260
+#define __NR_clock_getres 261
+#define __NR_clock_nanosleep 262
/* Number 263 is reserved for vserver */
#define __NR_statfs64 265
#define __NR_fstatfs64 266
@@ -309,7 +309,8 @@
#define __NR_recvfrom 371
#define __NR_recvmsg 372
#define __NR_shutdown 373
-#define NR_syscalls 374
+#define __NR_mlock2 374
+#define NR_syscalls 375
/*
* There are some system calls that are not present on 64 bit, some