From patchwork Thu Aug 15 07:49:26 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Kardashevskiy X-Patchwork-Id: 267336 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from ozlabs.org (localhost [IPv6:::1]) by ozlabs.org (Postfix) with ESMTP id C65452C0264 for ; Thu, 15 Aug 2013 17:50:05 +1000 (EST) 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) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=VOx/8bhoBTXPwaX3uBtBjwDx0HbAaI+RwamV3CfueuY=; b=e3PWzGdRTX3Jb29NplC/ASVyqHRuu6pfFuzm9PdVsf2ZClNtG6MvgMg0g5SdvfgxcY qsMMYhHExpcr2VFDWMoumFGOQPqBO10u5svI2s7TtejkTXD3GC/iBIMC+69iKWpc3GMm BzR6q+JfsFDVO/pyUtQ2zWUc73C0EvJJEIzUg3iOQxdn6z8/GrNGHHHknh/5Ig02MgJ2 WeKwInz9jZ6VBcuQ9z8Ul3+fKs7EGQiBTAyoHW6DQdX89ZlKB4K2BDGqNo/hkDCuy6pg Oz+N7z60UaTs063raVwgK+E4fJtLExDKuqVTDe08drR//QGoA88+MQU8YEI1aP0xbulC 4IGA== X-Gm-Message-State: ALoCoQnag2pU9ZqraUVWspPQjSKXOP3aBaJadv2/sa/GSzIdX3CapESB950w8U09GNrad88IbM/S X-Received: by 10.66.118.129 with SMTP id km1mr14015977pab.127.1376552974722; Thu, 15 Aug 2013 00:49:34 -0700 (PDT) Received: from ka1.ozlabs.ibm.com (ibmaus65.lnk.telstra.net. [165.228.126.9]) by mx.google.com with ESMTPSA id ia5sm14629174pbc.42.2013.08.15.00.49.30 for (version=TLSv1.2 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 15 Aug 2013 00:49:33 -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> X-Mailer: git-send-email 1.8.3.2 Cc: Gleb Natapov , kvm@vger.kernel.org, Alexey Kardashevskiy , Alexander Graf , linux-kernel@vger.kernel.org, Paul Mackerras , David Gibson X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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)