From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pb0-f53.google.com (mail-pb0-f53.google.com [209.85.160.53]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (not verified)) by ozlabs.org (Postfix) with ESMTPS id E6F1D2C00FA for ; Thu, 15 Aug 2013 17:49:36 +1000 (EST) Received: by mail-pb0-f53.google.com with SMTP id up15so461603pbc.40 for ; Thu, 15 Aug 2013 00:49:34 -0700 (PDT) From: Alexey Kardashevskiy To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH v8] KVM: PPC: reserve a capability and ioctl numbers for realmode VFIO Date: Thu, 15 Aug 2013 17:49:26 +1000 Message-Id: <1376552966-8529-1-git-send-email-aik@ozlabs.ru> Cc: Gleb Natapov , kvm@vger.kernel.org, Alexey Kardashevskiy , Alexander Graf , linux-kernel@vger.kernel.org, Paul Mackerras , David Gibson List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This is to reserve a capablity number for upcoming support of VFIO-IOMMU DMA operations in real mode. The last ioctl in the group which KVM_CREATE_SPAPR_TCE_IOMMU is added to is 0xac, the next two numbers are taken - 0xad for KVM_KVMCLOCK_CTRL and 0xae for KVM_ARM_VCPU_INIT. So the KVM_CREATE_SPAPR_TCE_IOMMU ioclt gets 0xaf. Signed-off-by: Alexey Kardashevskiy --- Changes: 2013/08/15 v8: * fixed comment again 2013/08/15: * fixed mistype in comments * fixed commit message which says what uses ioctls 0xad and 0xae 2013/07/16: * changed the number 2013/07/11: * changed order in a file, added comment about a gap in ioctl number --- include/uapi/linux/kvm.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index 99c2533..bd94127 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -668,6 +668,7 @@ struct kvm_ppc_smmu_info { #define KVM_CAP_IRQ_XICS 92 #define KVM_CAP_ARM_EL1_32BIT 93 #define KVM_CAP_SPAPR_MULTITCE 94 +#define KVM_CAP_SPAPR_TCE_IOMMU 95 #ifdef KVM_CAP_IRQ_ROUTING @@ -933,6 +934,11 @@ struct kvm_s390_ucas_mapping { #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr) /* Available with KVM_CAP_PPC_RTAS */ #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args) +/* 0xad is taken by KVM_KVMCLOCK_CTRL */ +/* 0xae is taken by KVM_ARM_VCPU_INIT */ +/* Available with KVM_CAP_SPAPR_TCE_IOMMU */ +#define KVM_CREATE_SPAPR_TCE_IOMMU _IOW(KVMIO, 0xaf, \ + struct kvm_create_spapr_tce_iommu) /* ioctl for vm fd */ #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device) -- 1.8.3.2