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Re: [Qemu-devel] [PATCH v3] kvm: add set_one_reg/get_one_reg helpers
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH v3] kvm: add set_one_reg/get_one_reg helpers |
Date: |
Fri, 27 Sep 2013 10:59:35 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130805 Thunderbird/17.0.8 |
Il 27/09/2013 10:02, Alexey Kardashevskiy ha scritto:
> On 09/19/2013 12:45 PM, Alexey Kardashevskiy wrote:
>> This adds QEMU wrappers for KVM_SET_ONE_REG/KVM_GET_ONE_REG ioctls.
>
> Ping?
>
>
>>
>> Signed-off-by: Alexey Kardashevskiy <address@hidden>
>> ---
>> Changes:
>> v3:
>> * changed comments
>>
>> v2:
>> * added Doc Comments
>> * removed error_print
>> ---
>> include/sysemu/kvm.h | 21 +++++++++++++++++++++
>> kvm-all.c | 18 ++++++++++++++++++
>> 2 files changed, 39 insertions(+)
>>
>> diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
>> index c7bc07b..9080ffe 100644
>> --- a/include/sysemu/kvm.h
>> +++ b/include/sysemu/kvm.h
>> @@ -319,4 +319,25 @@ int kvm_irqchip_remove_irqfd_notifier(KVMState *s,
>> EventNotifier *n, int virq);
>> void kvm_pc_gsi_handler(void *opaque, int n, int level);
>> void kvm_pc_setup_irq_routing(bool pci_enabled);
>> void kvm_init_irq_routing(KVMState *s);
>> +
>> +/**
>> + * kvm_set_one_reg - set a register value in KVM via KVM_SET_ONE_REG ioctl
>> + * @id: The register ID
>> + * @addr: The pointer to a value must point to a variable of the correct
>> + * type/size for the register being accessed.
>> + *
>> + * Returns: 0 on success, or a negative errno on failure.
>> + */
>> +int kvm_set_one_reg(CPUState *cs, uint64_t id, void *addr);
>> +
>> +/**
>> + * kvm_get_one_reg - get a register value from KVM via KVM_GET_ONE_REG ioctl
>> + * @id: The register ID
>> + * @addr: The pointer to a value must point to a variable of the correct
>> + * type/size for the register being accessed.
>> + *
>> + * Returns: 0 on success, or a negative errno on failure.
>> + */
>> +int kvm_get_one_reg(CPUState *cs, uint64_t id, void *addr);
>> +
>> #endif
>> diff --git a/kvm-all.c b/kvm-all.c
>> index ded7fc8..cdc32ec 100644
>> --- a/kvm-all.c
>> +++ b/kvm-all.c
>> @@ -2049,3 +2049,21 @@ int kvm_on_sigbus(int code, void *addr)
>> {
>> return kvm_arch_on_sigbus(code, addr);
>> }
>> +
>> +int kvm_set_one_reg(CPUState *cs, uint64_t id, void *addr)
>> +{
>> + struct kvm_one_reg reg = {
>> + .id = id,
>> + .addr = (uintptr_t)addr,
>> + };
>> + return kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, ®);
>> +}
>> +
>> +int kvm_get_one_reg(CPUState *cs, uint64_t id, void *addr)
>> +{
>> + struct kvm_one_reg reg = {
>> + .id = id,
>> + .addr = (uintptr_t)addr,
>> + };
>> + return kvm_vcpu_ioctl(cs, KVM_GET_ONE_REG, ®);
>> +}
>>
>
>
Acked-by: Paolo Bonzini <address@hidden>
Include it with the acked-by together with the first patch that needs
it. Alex can pick it up.
Paolo