From: Paul Mackerras <paulus@ozlabs.org> To: kvm@vger.kernel.org, linuxppc-dev@ozlabs.org, kvm-ppc@vger.kernel.org Subject: [PATCH 1/5] KVM: PPC: Provide functions for queueing up FP/VEC/VSX unavailable interrupts Date: Thu, 23 Mar 2017 15:25:59 +1100 [thread overview] Message-ID: <1490243163-19566-2-git-send-email-paulus@ozlabs.org> (raw) In-Reply-To: <1490243163-19566-1-git-send-email-paulus@ozlabs.org> This provides functions that can be used for generating interrupts indicating that a given functional unit (floating point, vector, or VSX) is unavailable. These functions will be used in instruction emulation code. Signed-off-by: Paul Mackerras <paulus@ozlabs.org> --- arch/powerpc/include/asm/kvm_ppc.h | 3 +++ arch/powerpc/kvm/book3s.c | 18 ++++++++++++++++++ arch/powerpc/kvm/booke.c | 5 +++++ 3 files changed, 26 insertions(+) diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index dd11c4c..4f1f22f 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -132,6 +132,9 @@ extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu); extern int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu); extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu); extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags); +extern void kvmppc_core_queue_fpunavail(struct kvm_vcpu *vcpu); +extern void kvmppc_core_queue_vec_unavail(struct kvm_vcpu *vcpu); +extern void kvmppc_core_queue_vsx_unavail(struct kvm_vcpu *vcpu); extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu); extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu); extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu, diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index b6b5c18..0ff0d07 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -197,6 +197,24 @@ void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags) } EXPORT_SYMBOL_GPL(kvmppc_core_queue_program); +void kvmppc_core_queue_fpunavail(struct kvm_vcpu *vcpu) +{ + /* might as well deliver this straight away */ + kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_FP_UNAVAIL, 0); +} + +void kvmppc_core_queue_vec_unavail(struct kvm_vcpu *vcpu) +{ + /* might as well deliver this straight away */ + kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_ALTIVEC, 0); +} + +void kvmppc_core_queue_vsx_unavail(struct kvm_vcpu *vcpu) +{ + /* might as well deliver this straight away */ + kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_VSX, 0); +} + void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu) { kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_DECREMENTER); diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 0514cbd..3c296c2 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -300,6 +300,11 @@ void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong esr_flags) kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_PROGRAM); } +void kvmppc_core_queue_fpunavail(struct kvm_vcpu *vcpu) +{ + kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_FP_UNAVAIL); +} + void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu) { kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_DECREMENTER); -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Paul Mackerras <paulus@ozlabs.org> To: kvm@vger.kernel.org, linuxppc-dev@ozlabs.org, kvm-ppc@vger.kernel.org Subject: [PATCH 1/5] KVM: PPC: Provide functions for queueing up FP/VEC/VSX unavailable interrupts Date: Thu, 23 Mar 2017 04:25:59 +0000 [thread overview] Message-ID: <1490243163-19566-2-git-send-email-paulus@ozlabs.org> (raw) In-Reply-To: <1490243163-19566-1-git-send-email-paulus@ozlabs.org> This provides functions that can be used for generating interrupts indicating that a given functional unit (floating point, vector, or VSX) is unavailable. These functions will be used in instruction emulation code. Signed-off-by: Paul Mackerras <paulus@ozlabs.org> --- arch/powerpc/include/asm/kvm_ppc.h | 3 +++ arch/powerpc/kvm/book3s.c | 18 ++++++++++++++++++ arch/powerpc/kvm/booke.c | 5 +++++ 3 files changed, 26 insertions(+) diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index dd11c4c..4f1f22f 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -132,6 +132,9 @@ extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu); extern int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu); extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu); extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags); +extern void kvmppc_core_queue_fpunavail(struct kvm_vcpu *vcpu); +extern void kvmppc_core_queue_vec_unavail(struct kvm_vcpu *vcpu); +extern void kvmppc_core_queue_vsx_unavail(struct kvm_vcpu *vcpu); extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu); extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu); extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu, diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index b6b5c18..0ff0d07 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -197,6 +197,24 @@ void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags) } EXPORT_SYMBOL_GPL(kvmppc_core_queue_program); +void kvmppc_core_queue_fpunavail(struct kvm_vcpu *vcpu) +{ + /* might as well deliver this straight away */ + kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_FP_UNAVAIL, 0); +} + +void kvmppc_core_queue_vec_unavail(struct kvm_vcpu *vcpu) +{ + /* might as well deliver this straight away */ + kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_ALTIVEC, 0); +} + +void kvmppc_core_queue_vsx_unavail(struct kvm_vcpu *vcpu) +{ + /* might as well deliver this straight away */ + kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_VSX, 0); +} + void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu) { kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_DECREMENTER); diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 0514cbd..3c296c2 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -300,6 +300,11 @@ void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong esr_flags) kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_PROGRAM); } +void kvmppc_core_queue_fpunavail(struct kvm_vcpu *vcpu) +{ + kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_FP_UNAVAIL); +} + void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu) { kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_DECREMENTER); -- 2.7.4
next prev parent reply other threads:[~2017-03-23 4:26 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-03-23 4:25 [PATCH 0/5] KVM: PPC: Improve MMIO emulation Paul Mackerras 2017-03-23 4:25 ` Paul Mackerras 2017-03-23 4:25 ` Paul Mackerras [this message] 2017-03-23 4:25 ` [PATCH 1/5] KVM: PPC: Provide functions for queueing up FP/VEC/VSX unavailable interrupts Paul Mackerras 2017-03-23 4:26 ` [PATCH 2/5] KVM: PPC: Book3S: Add MMIO emulation for FP and VSX instructions Paul Mackerras 2017-03-23 4:26 ` Paul Mackerras 2017-03-24 11:27 ` kbuild test robot 2017-03-24 11:27 ` kbuild test robot 2017-03-23 4:26 ` [PATCH 3/5] KVM: PPC: Add MMIO emulation for stdx (store doubleword indexed) Paul Mackerras 2017-03-23 4:26 ` Paul Mackerras 2017-03-23 4:26 ` [PATCH 4/5] KVM: PPC: Emulation for more integer loads and stores Paul Mackerras 2017-03-23 4:26 ` Paul Mackerras 2017-03-23 4:26 ` [PATCH 5/5] KVM: PPC: Add MMIO emulation for remaining floating-point instructions Paul Mackerras 2017-03-23 4:26 ` Paul Mackerras
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