Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760370Ab3HOHtg (ORCPT ); Thu, 15 Aug 2013 03:49:36 -0400 Received: from mail-pb0-f52.google.com ([209.85.160.52]:46839 "EHLO mail-pb0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755469Ab3HOHtf (ORCPT ); Thu, 15 Aug 2013 03:49:35 -0400 From: Alexey Kardashevskiy To: linuxppc-dev@lists.ozlabs.org Cc: Alexey Kardashevskiy , David Gibson , Benjamin Herrenschmidt , Paul Mackerras , Gleb Natapov , kvm@vger.kernel.org, Alexander Graf , linux-kernel@vger.kernel.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> X-Mailer: git-send-email 1.8.3.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1940 Lines: 60 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/