diff options
Diffstat (limited to 'target-s390x')
| -rw-r--r-- | target-s390x/cpu.h | 65 | ||||
| -rw-r--r-- | target-s390x/kvm.c | 32 | ||||
| -rw-r--r-- | target-s390x/misc_helper.c | 12 |
3 files changed, 87 insertions, 22 deletions
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h index e4de8632f3..658cd9d554 100644 --- a/target-s390x/cpu.h +++ b/target-s390x/cpu.h @@ -1160,12 +1160,13 @@ int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch, int vq, bool assign); int kvm_s390_cpu_restart(S390CPU *cpu); int kvm_s390_get_memslot_count(KVMState *s); -void kvm_s390_clear_cmma_callback(void *opaque); +void kvm_s390_cmma_reset(void); int kvm_s390_set_cpu_state(S390CPU *cpu, uint8_t cpu_state); void kvm_s390_reset_vcpu(S390CPU *cpu); int kvm_s390_set_mem_limit(KVMState *s, uint64_t new_limit, uint64_t *hw_limit); void kvm_s390_vcpu_interrupt_pre_save(S390CPU *cpu); int kvm_s390_vcpu_interrupt_post_load(S390CPU *cpu); +void kvm_s390_crypto_reset(void); #else static inline void kvm_s390_io_interrupt(uint16_t subchannel_id, uint16_t subchannel_nr, @@ -1189,7 +1190,7 @@ static inline int kvm_s390_cpu_restart(S390CPU *cpu) { return -ENOSYS; } -static inline void kvm_s390_clear_cmma_callback(void *opaque) +static inline void kvm_s390_cmma_reset(void) { } static inline int kvm_s390_get_memslot_count(KVMState *s) @@ -1215,6 +1216,9 @@ static inline int kvm_s390_vcpu_interrupt_post_load(S390CPU *cpu) { return 0; } +static inline void kvm_s390_crypto_reset(void) +{ +} #endif static inline int s390_set_memory_limit(uint64_t new_limit, uint64_t *hw_limit) @@ -1225,11 +1229,10 @@ static inline int s390_set_memory_limit(uint64_t new_limit, uint64_t *hw_limit) return 0; } -static inline void cmma_reset(S390CPU *cpu) +static inline void s390_cmma_reset(void) { if (kvm_enabled()) { - CPUState *cs = CPU(cpu); - kvm_s390_clear_cmma_callback(cs->kvm_state); + kvm_s390_cmma_reset(); } } @@ -1261,6 +1264,13 @@ static inline int s390_assign_subch_ioeventfd(EventNotifier *notifier, return kvm_s390_assign_subch_ioeventfd(notifier, sch_id, vq, assign); } +static inline void s390_crypto_reset(void) +{ + if (kvm_enabled()) { + kvm_s390_crypto_reset(); + } +} + #ifdef CONFIG_KVM static inline bool vregs_needed(void *opaque) { @@ -1275,4 +1285,49 @@ static inline bool vregs_needed(void *opaque) return 0; } #endif + +/* machine check interruption code */ + +/* subclasses */ +#define MCIC_SC_SD 0x8000000000000000ULL +#define MCIC_SC_PD 0x4000000000000000ULL +#define MCIC_SC_SR 0x2000000000000000ULL +#define MCIC_SC_CD 0x0800000000000000ULL +#define MCIC_SC_ED 0x0400000000000000ULL +#define MCIC_SC_DG 0x0100000000000000ULL +#define MCIC_SC_W 0x0080000000000000ULL +#define MCIC_SC_CP 0x0040000000000000ULL +#define MCIC_SC_SP 0x0020000000000000ULL +#define MCIC_SC_CK 0x0010000000000000ULL + +/* subclass modifiers */ +#define MCIC_SCM_B 0x0002000000000000ULL +#define MCIC_SCM_DA 0x0000000020000000ULL +#define MCIC_SCM_AP 0x0000000000080000ULL + +/* storage errors */ +#define MCIC_SE_SE 0x0000800000000000ULL +#define MCIC_SE_SC 0x0000400000000000ULL +#define MCIC_SE_KE 0x0000200000000000ULL +#define MCIC_SE_DS 0x0000100000000000ULL +#define MCIC_SE_IE 0x0000000080000000ULL + +/* validity bits */ +#define MCIC_VB_WP 0x0000080000000000ULL +#define MCIC_VB_MS 0x0000040000000000ULL +#define MCIC_VB_PM 0x0000020000000000ULL +#define MCIC_VB_IA 0x0000010000000000ULL +#define MCIC_VB_FA 0x0000008000000000ULL +#define MCIC_VB_VR 0x0000004000000000ULL +#define MCIC_VB_EC 0x0000002000000000ULL +#define MCIC_VB_FP 0x0000001000000000ULL +#define MCIC_VB_GR 0x0000000800000000ULL +#define MCIC_VB_CR 0x0000000400000000ULL +#define MCIC_VB_ST 0x0000000100000000ULL +#define MCIC_VB_AR 0x0000000040000000ULL +#define MCIC_VB_PR 0x0000000000200000ULL +#define MCIC_VB_FC 0x0000000000100000ULL +#define MCIC_VB_CT 0x0000000000020000ULL +#define MCIC_VB_CC 0x0000000000010000ULL + #endif diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c index 0305ffa9d3..c3be180de2 100644 --- a/target-s390x/kvm.c +++ b/target-s390x/kvm.c @@ -173,16 +173,15 @@ int kvm_s390_set_mem_limit(KVMState *s, uint64_t new_limit, uint64_t *hw_limit) return kvm_vm_ioctl(s, KVM_SET_DEVICE_ATTR, &attr); } -void kvm_s390_clear_cmma_callback(void *opaque) +void kvm_s390_cmma_reset(void) { int rc; - KVMState *s = opaque; struct kvm_device_attr attr = { .group = KVM_S390_VM_MEM_CTRL, .attr = KVM_S390_VM_MEM_CLR_CMMA, }; - rc = kvm_vm_ioctl(s, KVM_SET_DEVICE_ATTR, &attr); + rc = kvm_vm_ioctl(kvm_state, KVM_SET_DEVICE_ATTR, &attr); trace_kvm_clear_cmma(rc); } @@ -200,9 +199,6 @@ static void kvm_s390_enable_cmma(KVMState *s) } rc = kvm_vm_ioctl(s, KVM_SET_DEVICE_ATTR, &attr); - if (!rc) { - qemu_register_reset(kvm_s390_clear_cmma_callback, s); - } trace_kvm_enable_cmma(rc); } @@ -249,7 +245,7 @@ static void kvm_s390_init_dea_kw(void) } } -static void kvm_s390_init_crypto(void) +void kvm_s390_crypto_reset(void) { kvm_s390_init_aes_kw(); kvm_s390_init_dea_kw(); @@ -301,8 +297,6 @@ void kvm_s390_reset_vcpu(S390CPU *cpu) if (kvm_vcpu_ioctl(cs, KVM_S390_INITIAL_RESET, NULL)) { error_report("Initial CPU reset failed on CPU %i", cs->cpu_index); } - - kvm_s390_init_crypto(); } static int can_sync_regs(CPUState *cs, int regs) @@ -2065,12 +2059,30 @@ void kvm_s390_io_interrupt(uint16_t subchannel_id, kvm_s390_floating_interrupt(&irq); } +static uint64_t build_channel_report_mcic(void) +{ + uint64_t mcic; + + /* subclass: indicate channel report pending */ + mcic = MCIC_SC_CP | + /* subclass modifiers: none */ + /* storage errors: none */ + /* validity bits: no damage */ + MCIC_VB_WP | MCIC_VB_MS | MCIC_VB_PM | MCIC_VB_IA | MCIC_VB_FP | + MCIC_VB_GR | MCIC_VB_CR | MCIC_VB_ST | MCIC_VB_AR | MCIC_VB_PR | + MCIC_VB_FC | MCIC_VB_CT | MCIC_VB_CC; + if (kvm_check_extension(kvm_state, KVM_CAP_S390_VECTOR_REGISTERS)) { + mcic |= MCIC_VB_VR; + } + return mcic; +} + void kvm_s390_crw_mchk(void) { struct kvm_s390_irq irq = { .type = KVM_S390_MCHK, .u.mchk.cr14 = 1 << 28, - .u.mchk.mcic = 0x00400f1d40330000ULL, + .u.mchk.mcic = build_channel_report_mcic(), }; kvm_s390_floating_interrupt(&irq); } diff --git a/target-s390x/misc_helper.c b/target-s390x/misc_helper.c index 3a19e321c8..b601a33606 100644 --- a/target-s390x/misc_helper.c +++ b/target-s390x/misc_helper.c @@ -127,8 +127,9 @@ static int modified_clear_reset(S390CPU *cpu) CPU_FOREACH(t) { run_on_cpu(t, s390_do_cpu_full_reset, t); } - cmma_reset(cpu); + s390_cmma_reset(); subsystem_reset(); + s390_crypto_reset(); scc->load_normal(CPU(cpu)); cpu_synchronize_all_post_reset(); resume_all_vcpus(); @@ -145,7 +146,7 @@ static int load_normal_reset(S390CPU *cpu) CPU_FOREACH(t) { run_on_cpu(t, s390_do_cpu_reset, t); } - cmma_reset(cpu); + s390_cmma_reset(); subsystem_reset(); scc->initial_cpu_reset(CPU(cpu)); scc->load_normal(CPU(cpu)); @@ -233,11 +234,8 @@ void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3) } iplb = g_malloc0(sizeof(struct IplParameterBlock)); cpu_physical_memory_read(addr, iplb, sizeof(struct IplParameterBlock)); - if (!s390_ipl_update_diag308(iplb)) { - env->regs[r1 + 1] = DIAG_308_RC_OK; - } else { - env->regs[r1 + 1] = DIAG_308_RC_INVALID; - } + s390_ipl_update_diag308(iplb); + env->regs[r1 + 1] = DIAG_308_RC_OK; g_free(iplb); return; case 6: |