From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53680) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VPT0j-00038H-F7 for qemu-devel@nongnu.org; Fri, 27 Sep 2013 04:02:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VPT0d-00069C-AJ for qemu-devel@nongnu.org; Fri, 27 Sep 2013 04:02:49 -0400 Received: from mail-pd0-f180.google.com ([209.85.192.180]:51390) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VPT0d-00068t-2C for qemu-devel@nongnu.org; Fri, 27 Sep 2013 04:02:43 -0400 Received: by mail-pd0-f180.google.com with SMTP id y10so2259400pdj.39 for ; Fri, 27 Sep 2013 01:02:41 -0700 (PDT) Message-ID: <52453B97.2000700@ozlabs.ru> Date: Fri, 27 Sep 2013 18:02:31 +1000 From: Alexey Kardashevskiy MIME-Version: 1.0 References: <1379558748-13808-1-git-send-email-aik@ozlabs.ru> In-Reply-To: <1379558748-13808-1-git-send-email-aik@ozlabs.ru> Content-Type: text/plain; charset=KOI8-R Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v3] kvm: add set_one_reg/get_one_reg helpers List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alexey Kardashevskiy Cc: Peter Maydell , qemu-devel@nongnu.org, Paolo Bonzini 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 > --- > 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, ®); > +} > -- Alexey