| /* |
| * definition for kvm on s390 |
| * |
| * Copyright IBM Corp. 2008, 2009 |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License (version 2 only) |
| * as published by the Free Software Foundation. |
| * |
| * Author(s): Carsten Otte <cotte@de.ibm.com> |
| * Christian Borntraeger <borntraeger@de.ibm.com> |
| * Christian Ehrhardt <ehrhardt@de.ibm.com> |
| */ |
| |
| #ifndef ARCH_S390_KVM_S390_H |
| #define ARCH_S390_KVM_S390_H |
| |
| #include <linux/hrtimer.h> |
| #include <linux/kvm.h> |
| #include <linux/kvm_host.h> |
| |
| typedef int (*intercept_handler_t)(struct kvm_vcpu *vcpu); |
| |
| /* declare vfacilities extern */ |
| extern unsigned long *vfacilities; |
| |
| int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu); |
| |
| #define VM_EVENT(d_kvm, d_loglevel, d_string, d_args...)\ |
| do { \ |
| debug_sprintf_event(d_kvm->arch.dbf, d_loglevel, d_string "\n", \ |
| d_args); \ |
| } while (0) |
| |
| #define VCPU_EVENT(d_vcpu, d_loglevel, d_string, d_args...)\ |
| do { \ |
| debug_sprintf_event(d_vcpu->kvm->arch.dbf, d_loglevel, \ |
| "%02d[%016lx-%016lx]: " d_string "\n", d_vcpu->vcpu_id, \ |
| d_vcpu->arch.sie_block->gpsw.mask, d_vcpu->arch.sie_block->gpsw.addr,\ |
| d_args); \ |
| } while (0) |
| |
| static inline int __cpu_is_stopped(struct kvm_vcpu *vcpu) |
| { |
| return atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_STOP_INT; |
| } |
| |
| static inline int kvm_is_ucontrol(struct kvm *kvm) |
| { |
| #ifdef CONFIG_KVM_S390_UCONTROL |
| if (kvm->arch.gmap) |
| return 0; |
| return 1; |
| #else |
| return 0; |
| #endif |
| } |
| |
| static inline void kvm_s390_set_prefix(struct kvm_vcpu *vcpu, u32 prefix) |
| { |
| vcpu->arch.sie_block->prefix = prefix & 0x7fffe000u; |
| vcpu->arch.sie_block->ihcpu = 0xffff; |
| kvm_make_request(KVM_REQ_MMU_RELOAD, vcpu); |
| } |
| |
| static inline u64 kvm_s390_get_base_disp_s(struct kvm_vcpu *vcpu) |
| { |
| u32 base2 = vcpu->arch.sie_block->ipb >> 28; |
| u32 disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16); |
| |
| return (base2 ? vcpu->run->s.regs.gprs[base2] : 0) + disp2; |
| } |
| |
| static inline void kvm_s390_get_base_disp_sse(struct kvm_vcpu *vcpu, |
| u64 *address1, u64 *address2) |
| { |
| u32 base1 = (vcpu->arch.sie_block->ipb & 0xf0000000) >> 28; |
| u32 disp1 = (vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16; |
| u32 base2 = (vcpu->arch.sie_block->ipb & 0xf000) >> 12; |
| u32 disp2 = vcpu->arch.sie_block->ipb & 0x0fff; |
| |
| *address1 = (base1 ? vcpu->run->s.regs.gprs[base1] : 0) + disp1; |
| *address2 = (base2 ? vcpu->run->s.regs.gprs[base2] : 0) + disp2; |
| } |
| |
| static inline void kvm_s390_get_regs_rre(struct kvm_vcpu *vcpu, int *r1, int *r2) |
| { |
| if (r1) |
| *r1 = (vcpu->arch.sie_block->ipb & 0x00f00000) >> 20; |
| if (r2) |
| *r2 = (vcpu->arch.sie_block->ipb & 0x000f0000) >> 16; |
| } |
| |
| static inline u64 kvm_s390_get_base_disp_rsy(struct kvm_vcpu *vcpu) |
| { |
| u32 base2 = vcpu->arch.sie_block->ipb >> 28; |
| u32 disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16) + |
| ((vcpu->arch.sie_block->ipb & 0xff00) << 4); |
| /* The displacement is a 20bit _SIGNED_ value */ |
| if (disp2 & 0x80000) |
| disp2+=0xfff00000; |
| |
| return (base2 ? vcpu->run->s.regs.gprs[base2] : 0) + (long)(int)disp2; |
| } |
| |
| static inline u64 kvm_s390_get_base_disp_rs(struct kvm_vcpu *vcpu) |
| { |
| u32 base2 = vcpu->arch.sie_block->ipb >> 28; |
| u32 disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16); |
| |
| return (base2 ? vcpu->run->s.regs.gprs[base2] : 0) + disp2; |
| } |
| |
| /* Set the condition code in the guest program status word */ |
| static inline void kvm_s390_set_psw_cc(struct kvm_vcpu *vcpu, unsigned long cc) |
| { |
| vcpu->arch.sie_block->gpsw.mask &= ~(3UL << 44); |
| vcpu->arch.sie_block->gpsw.mask |= cc << 44; |
| } |
| |
| int kvm_s390_handle_wait(struct kvm_vcpu *vcpu); |
| enum hrtimer_restart kvm_s390_idle_wakeup(struct hrtimer *timer); |
| void kvm_s390_tasklet(unsigned long parm); |
| void kvm_s390_deliver_pending_interrupts(struct kvm_vcpu *vcpu); |
| void kvm_s390_deliver_pending_machine_checks(struct kvm_vcpu *vcpu); |
| int __must_check kvm_s390_inject_vm(struct kvm *kvm, |
| struct kvm_s390_interrupt *s390int); |
| int __must_check kvm_s390_inject_vcpu(struct kvm_vcpu *vcpu, |
| struct kvm_s390_interrupt *s390int); |
| int __must_check kvm_s390_inject_program_int(struct kvm_vcpu *vcpu, u16 code); |
| struct kvm_s390_interrupt_info *kvm_s390_get_io_int(struct kvm *kvm, |
| u64 cr6, u64 schid); |
| |
| /* implemented in priv.c */ |
| int kvm_s390_handle_b2(struct kvm_vcpu *vcpu); |
| int kvm_s390_handle_e5(struct kvm_vcpu *vcpu); |
| int kvm_s390_handle_01(struct kvm_vcpu *vcpu); |
| int kvm_s390_handle_b9(struct kvm_vcpu *vcpu); |
| int kvm_s390_handle_lpsw(struct kvm_vcpu *vcpu); |
| int kvm_s390_handle_lctl(struct kvm_vcpu *vcpu); |
| int kvm_s390_handle_eb(struct kvm_vcpu *vcpu); |
| |
| /* implemented in sigp.c */ |
| int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu); |
| |
| /* implemented in kvm-s390.c */ |
| int kvm_s390_store_status_unloaded(struct kvm_vcpu *vcpu, unsigned long addr); |
| int kvm_s390_vcpu_store_status(struct kvm_vcpu *vcpu, unsigned long addr); |
| void s390_vcpu_block(struct kvm_vcpu *vcpu); |
| void s390_vcpu_unblock(struct kvm_vcpu *vcpu); |
| void exit_sie(struct kvm_vcpu *vcpu); |
| void exit_sie_sync(struct kvm_vcpu *vcpu); |
| /* implemented in diag.c */ |
| int kvm_s390_handle_diag(struct kvm_vcpu *vcpu); |
| |
| #endif |