diff options
-rw-r--r-- | hw/s390x/css.c | 15 | ||||
-rw-r--r-- | hw/s390x/s390-virtio-bus.c | 6 | ||||
-rw-r--r-- | target-s390x/cpu.h | 41 | ||||
-rw-r--r-- | target-s390x/interrupt.c | 38 | ||||
-rw-r--r-- | target-s390x/kvm.c | 104 | ||||
-rw-r--r-- | target-s390x/misc_helper.c | 7 |
6 files changed, 91 insertions, 120 deletions
diff --git a/hw/s390x/css.c b/hw/s390x/css.c index 67b22aeeee..e758890dcd 100644 --- a/hw/s390x/css.c +++ b/hw/s390x/css.c @@ -128,13 +128,11 @@ uint16_t css_build_subchannel_id(SubchDev *sch) static void css_inject_io_interrupt(SubchDev *sch) { - S390CPU *cpu = s390_cpu_addr2state(0); uint8_t isc = (sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ISC) >> 11; trace_css_io_interrupt(sch->cssid, sch->ssid, sch->schid, sch->curr_status.pmcw.intparm, isc, ""); - s390_io_interrupt(cpu, - css_build_subchannel_id(sch), + s390_io_interrupt(css_build_subchannel_id(sch), sch->schid, sch->curr_status.pmcw.intparm, isc << 27); @@ -147,7 +145,6 @@ void css_conditional_io_interrupt(SubchDev *sch) * with alert status. */ if (!(sch->curr_status.scsw.ctrl & SCSW_STCTL_STATUS_PEND)) { - S390CPU *cpu = s390_cpu_addr2state(0); uint8_t isc = (sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ISC) >> 11; trace_css_io_interrupt(sch->cssid, sch->ssid, sch->schid, @@ -157,8 +154,7 @@ void css_conditional_io_interrupt(SubchDev *sch) sch->curr_status.scsw.ctrl |= SCSW_STCTL_ALERT | SCSW_STCTL_STATUS_PEND; /* Inject an I/O interrupt. */ - s390_io_interrupt(cpu, - css_build_subchannel_id(sch), + s390_io_interrupt(css_build_subchannel_id(sch), sch->schid, sch->curr_status.pmcw.intparm, isc << 27); @@ -167,11 +163,10 @@ void css_conditional_io_interrupt(SubchDev *sch) void css_adapter_interrupt(uint8_t isc) { - S390CPU *cpu = s390_cpu_addr2state(0); uint32_t io_int_word = (isc << 27) | IO_INT_WORD_AI; trace_css_adapter_interrupt(isc); - s390_io_interrupt(cpu, 0, 0, 0, io_int_word); + s390_io_interrupt(0, 0, 0, io_int_word); } static void sch_handle_clear_func(SubchDev *sch) @@ -1231,11 +1226,9 @@ void css_queue_crw(uint8_t rsc, uint8_t erc, int chain, uint16_t rsid) QTAILQ_INSERT_TAIL(&channel_subsys->pending_crws, crw_cont, sibling); if (channel_subsys->do_crw_mchk) { - S390CPU *cpu = s390_cpu_addr2state(0); - channel_subsys->do_crw_mchk = false; /* Inject crw pending machine check. */ - s390_crw_mchk(cpu); + s390_crw_mchk(); } } diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c index 45c6b1fbd3..7c8c81b0cc 100644 --- a/hw/s390x/s390-virtio-bus.c +++ b/hw/s390x/s390-virtio-bus.c @@ -133,8 +133,7 @@ static int s390_virtio_device_init(VirtIOS390Device *dev, VirtIODevice *vdev) s390_virtio_device_sync(dev); s390_virtio_reset_idx(dev); if (dev->qdev.hotplugged) { - S390CPU *cpu = s390_cpu_addr2state(0); - s390_virtio_irq(cpu, VIRTIO_PARAM_DEV_ADD, dev->dev_offs); + s390_virtio_irq(VIRTIO_PARAM_DEV_ADD, dev->dev_offs); } return 0; @@ -478,9 +477,8 @@ static void virtio_s390_notify(DeviceState *d, uint16_t vector) { VirtIOS390Device *dev = to_virtio_s390_device_fast(d); uint64_t token = s390_virtio_device_vq_token(dev, vector); - S390CPU *cpu = s390_cpu_addr2state(0); - s390_virtio_irq(cpu, 0, token); + s390_virtio_irq(0, token); } static unsigned virtio_s390_get_features(DeviceState *d) diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h index 644d1266c1..9982c35fc2 100644 --- a/target-s390x/cpu.h +++ b/target-s390x/cpu.h @@ -357,37 +357,22 @@ void s390x_tod_timer(void *opaque); void s390x_cpu_timer(void *opaque); int s390_virtio_hypercall(CPUS390XState *env); -void s390_virtio_irq(S390CPU *cpu, int config_change, uint64_t token); +void s390_virtio_irq(int config_change, uint64_t token); #ifdef CONFIG_KVM void kvm_s390_reset_vcpu(S390CPU *cpu); -void kvm_s390_interrupt(S390CPU *cpu, int type, uint32_t code); -void kvm_s390_virtio_irq(S390CPU *cpu, int config_change, uint64_t token); -void kvm_s390_interrupt_internal(S390CPU *cpu, int type, uint32_t parm, - uint64_t parm64, int vm); -void kvm_s390_service_interrupt(S390CPU *cpu, uint32_t parm); +void kvm_s390_virtio_irq(int config_change, uint64_t token); +void kvm_s390_service_interrupt(uint32_t parm); void kvm_s390_vcpu_interrupt(S390CPU *cpu, struct kvm_s390_irq *irq); void kvm_s390_floating_interrupt(struct kvm_s390_irq *irq); #else static inline void kvm_s390_reset_vcpu(S390CPU *cpu) { } - -static inline void kvm_s390_interrupt(S390CPU *cpu, int type, uint32_t code) -{ -} - -static inline void kvm_s390_virtio_irq(S390CPU *cpu, int config_change, - uint64_t token) -{ -} - -static inline void kvm_s390_interrupt_internal(S390CPU *cpu, int type, - uint32_t parm, uint64_t parm64, - int vm) +static inline void kvm_s390_virtio_irq(int config_change, uint64_t token) { } -static inline void kvm_s390_service_interrupt(S390CPU *cpu, uint32_t parm) +static inline void kvm_s390_service_interrupt(uint32_t parm) { } #endif @@ -1073,24 +1058,23 @@ void QEMU_NORETURN runtime_exception(CPUS390XState *env, int excp, uintptr_t retaddr); #ifdef CONFIG_KVM -void kvm_s390_io_interrupt(S390CPU *cpu, uint16_t subchannel_id, +void kvm_s390_io_interrupt(uint16_t subchannel_id, uint16_t subchannel_nr, uint32_t io_int_parm, uint32_t io_int_word); -void kvm_s390_crw_mchk(S390CPU *cpu); +void kvm_s390_crw_mchk(void); void kvm_s390_enable_css_support(S390CPU *cpu); int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch, int vq, bool assign); int kvm_s390_cpu_restart(S390CPU *cpu); void kvm_s390_clear_cmma_callback(void *opaque); #else -static inline void kvm_s390_io_interrupt(S390CPU *cpu, - uint16_t subchannel_id, +static inline void kvm_s390_io_interrupt(uint16_t subchannel_id, uint16_t subchannel_nr, uint32_t io_int_parm, uint32_t io_int_word) { } -static inline void kvm_s390_crw_mchk(S390CPU *cpu) +static inline void kvm_s390_crw_mchk(void) { } static inline void kvm_s390_enable_css_support(S390CPU *cpu) @@ -1127,10 +1111,9 @@ static inline int s390_cpu_restart(S390CPU *cpu) return -ENOSYS; } -void s390_io_interrupt(S390CPU *cpu, uint16_t subchannel_id, - uint16_t subchannel_nr, uint32_t io_int_parm, - uint32_t io_int_word); -void s390_crw_mchk(S390CPU *cpu); +void s390_io_interrupt(uint16_t subchannel_id, uint16_t subchannel_nr, + uint32_t io_int_parm, uint32_t io_int_word); +void s390_crw_mchk(void); static inline int s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch_id, int vq, diff --git a/target-s390x/interrupt.c b/target-s390x/interrupt.c index c32bdcb0c1..23a9114f5a 100644 --- a/target-s390x/interrupt.c +++ b/target-s390x/interrupt.c @@ -12,50 +12,56 @@ /* * All of the following interrupts are floating, i.e. not per-vcpu. - * We just need a dummy cpustate in order to be able to inject. + * We just need a dummy cpustate in order to be able to inject in the + * non-kvm case. */ #if !defined(CONFIG_USER_ONLY) void s390_sclp_extint(uint32_t parm) { - S390CPU *dummy_cpu = s390_cpu_addr2state(0); - CPUS390XState *env = &dummy_cpu->env; - if (kvm_enabled()) { - kvm_s390_service_interrupt(dummy_cpu, parm); + kvm_s390_service_interrupt(parm); } else { + S390CPU *dummy_cpu = s390_cpu_addr2state(0); + CPUS390XState *env = &dummy_cpu->env; + env->psw.addr += 4; cpu_inject_ext(dummy_cpu, EXT_SERVICE, parm, 0); } } -void s390_virtio_irq(S390CPU *cpu, int config_change, uint64_t token) +void s390_virtio_irq(int config_change, uint64_t token) { if (kvm_enabled()) { - kvm_s390_virtio_irq(cpu, config_change, token); + kvm_s390_virtio_irq(config_change, token); } else { - cpu_inject_ext(cpu, EXT_VIRTIO, config_change, token); + S390CPU *dummy_cpu = s390_cpu_addr2state(0); + + cpu_inject_ext(dummy_cpu, EXT_VIRTIO, config_change, token); } } -void s390_io_interrupt(S390CPU *cpu, uint16_t subchannel_id, - uint16_t subchannel_nr, uint32_t io_int_parm, - uint32_t io_int_word) +void s390_io_interrupt(uint16_t subchannel_id, uint16_t subchannel_nr, + uint32_t io_int_parm, uint32_t io_int_word) { if (kvm_enabled()) { - kvm_s390_io_interrupt(cpu, subchannel_id, subchannel_nr, io_int_parm, + kvm_s390_io_interrupt(subchannel_id, subchannel_nr, io_int_parm, io_int_word); } else { - cpu_inject_io(cpu, subchannel_id, subchannel_nr, io_int_parm, + S390CPU *dummy_cpu = s390_cpu_addr2state(0); + + cpu_inject_io(dummy_cpu, subchannel_id, subchannel_nr, io_int_parm, io_int_word); } } -void s390_crw_mchk(S390CPU *cpu) +void s390_crw_mchk(void) { if (kvm_enabled()) { - kvm_s390_crw_mchk(cpu); + kvm_s390_crw_mchk(); } else { - cpu_inject_crw_mchk(cpu); + S390CPU *dummy_cpu = s390_cpu_addr2state(0); + + cpu_inject_crw_mchk(dummy_cpu); } } diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c index 0d36ab4a42..a2133ff1ce 100644 --- a/target-s390x/kvm.c +++ b/target-s390x/kvm.c @@ -641,52 +641,35 @@ void kvm_s390_floating_interrupt(struct kvm_s390_irq *irq) } } -void kvm_s390_interrupt_internal(S390CPU *cpu, int type, uint32_t parm, - uint64_t parm64, int vm) +void kvm_s390_virtio_irq(int config_change, uint64_t token) { - CPUState *cs = CPU(cpu); - struct kvm_s390_interrupt kvmint; - int r; - - if (!cs->kvm_state) { - return; - } - - kvmint.type = type; - kvmint.parm = parm; - kvmint.parm64 = parm64; - - if (vm) { - r = kvm_vm_ioctl(cs->kvm_state, KVM_S390_INTERRUPT, &kvmint); - } else { - r = kvm_vcpu_ioctl(cs, KVM_S390_INTERRUPT, &kvmint); - } - - if (r < 0) { - fprintf(stderr, "KVM failed to inject interrupt\n"); - exit(1); - } -} + struct kvm_s390_irq irq = { + .type = KVM_S390_INT_VIRTIO, + .u.ext.ext_params = config_change, + .u.ext.ext_params2 = token, + }; -void kvm_s390_virtio_irq(S390CPU *cpu, int config_change, uint64_t token) -{ - kvm_s390_interrupt_internal(cpu, KVM_S390_INT_VIRTIO, config_change, - token, 1); + kvm_s390_floating_interrupt(&irq); } -void kvm_s390_interrupt(S390CPU *cpu, int type, uint32_t code) +void kvm_s390_service_interrupt(uint32_t parm) { - kvm_s390_interrupt_internal(cpu, type, code, 0, 0); -} + struct kvm_s390_irq irq = { + .type = KVM_S390_INT_SERVICE, + .u.ext.ext_params = parm, + }; -void kvm_s390_service_interrupt(S390CPU *cpu, uint32_t parm) -{ - kvm_s390_interrupt_internal(cpu, KVM_S390_INT_SERVICE, parm, 0 , 1); + kvm_s390_floating_interrupt(&irq); } static void enter_pgmcheck(S390CPU *cpu, uint16_t code) { - kvm_s390_interrupt(cpu, KVM_S390_PROGRAM_INT, code); + struct kvm_s390_irq irq = { + .type = KVM_S390_PROGRAM_INT, + .u.pgm.code = code, + }; + + kvm_s390_vcpu_interrupt(cpu, &irq); } static int kvm_sclp_service_call(S390CPU *cpu, struct kvm_run *run, @@ -902,7 +885,11 @@ static int kvm_s390_cpu_start(S390CPU *cpu) int kvm_s390_cpu_restart(S390CPU *cpu) { - kvm_s390_interrupt(cpu, KVM_S390_RESTART, 0); + struct kvm_s390_irq irq = { + .type = KVM_S390_RESTART, + }; + + kvm_s390_vcpu_interrupt(cpu, &irq); s390_add_running_cpu(cpu); qemu_cpu_kick(CPU(cpu)); DPRINTF("DONE: KVM cpu restart: %p\n", &cpu->env); @@ -1122,18 +1109,10 @@ static int handle_tsch(S390CPU *cpu) * If an I/O interrupt had been dequeued, we have to reinject it. */ if (run->s390_tsch.dequeued) { - uint16_t subchannel_id = run->s390_tsch.subchannel_id; - uint16_t subchannel_nr = run->s390_tsch.subchannel_nr; - uint32_t io_int_parm = run->s390_tsch.io_int_parm; - uint32_t io_int_word = run->s390_tsch.io_int_word; - uint32_t type = ((subchannel_id & 0xff00) << 24) | - ((subchannel_id & 0x00060) << 22) | (subchannel_nr << 16); - - kvm_s390_interrupt_internal(cpu, type, - ((uint32_t)subchannel_id << 16) - | subchannel_nr, - ((uint64_t)io_int_parm << 32) - | io_int_word, 1); + kvm_s390_io_interrupt(run->s390_tsch.subchannel_id, + run->s390_tsch.subchannel_nr, + run->s390_tsch.io_int_parm, + run->s390_tsch.io_int_word); } ret = 0; } @@ -1218,27 +1197,34 @@ int kvm_arch_on_sigbus(int code, void *addr) return 1; } -void kvm_s390_io_interrupt(S390CPU *cpu, uint16_t subchannel_id, +void kvm_s390_io_interrupt(uint16_t subchannel_id, uint16_t subchannel_nr, uint32_t io_int_parm, uint32_t io_int_word) { - uint32_t type; + struct kvm_s390_irq irq = { + .u.io.subchannel_id = subchannel_id, + .u.io.subchannel_nr = subchannel_nr, + .u.io.io_int_parm = io_int_parm, + .u.io.io_int_word = io_int_word, + }; if (io_int_word & IO_INT_WORD_AI) { - type = KVM_S390_INT_IO(1, 0, 0, 0); + irq.type = KVM_S390_INT_IO(1, 0, 0, 0); } else { - type = ((subchannel_id & 0xff00) << 24) | + irq.type = ((subchannel_id & 0xff00) << 24) | ((subchannel_id & 0x00060) << 22) | (subchannel_nr << 16); } - kvm_s390_interrupt_internal(cpu, type, - ((uint32_t)subchannel_id << 16) | subchannel_nr, - ((uint64_t)io_int_parm << 32) | io_int_word, 1); + kvm_s390_floating_interrupt(&irq); } -void kvm_s390_crw_mchk(S390CPU *cpu) +void kvm_s390_crw_mchk(void) { - kvm_s390_interrupt_internal(cpu, KVM_S390_MCHK, 1 << 28, - 0x00400f1d40330000, 1); + struct kvm_s390_irq irq = { + .type = KVM_S390_MCHK, + .u.mchk.cr14 = 1 << 28, + .u.mchk.mcic = 0x00400f1d40330000, + }; + kvm_s390_floating_interrupt(&irq); } void kvm_s390_enable_css_support(S390CPU *cpu) diff --git a/target-s390x/misc_helper.c b/target-s390x/misc_helper.c index 519edb81dd..0b625826ef 100644 --- a/target-s390x/misc_helper.c +++ b/target-s390x/misc_helper.c @@ -85,7 +85,12 @@ void program_interrupt(CPUS390XState *env, uint32_t code, int ilen) if (kvm_enabled()) { #ifdef CONFIG_KVM - kvm_s390_interrupt(cpu, KVM_S390_PROGRAM_INT, code); + struct kvm_s390_irq irq = { + .type = KVM_S390_PROGRAM_INT, + .u.pgm.code = code, + }; + + kvm_s390_vcpu_interrupt(cpu, &irq); #endif } else { CPUState *cs = CPU(cpu); |