From patchwork Tue Jul 15 09:39:36 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Kardashevskiy X-Patchwork-Id: 369934 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 224B4140174 for ; Tue, 15 Jul 2014 20:01:14 +1000 (EST) Received: from ozlabs.org (ozlabs.org [103.22.144.67]) by lists.ozlabs.org (Postfix) with ESMTP id 094E41A2DF3 for ; Tue, 15 Jul 2014 20:01:14 +1000 (EST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from e23smtp05.au.ibm.com (e23smtp05.au.ibm.com [202.81.31.147]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 703CF1A0A36 for ; Tue, 15 Jul 2014 19:39:51 +1000 (EST) Received: from /spool/local by e23smtp05.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 15 Jul 2014 19:39:51 +1000 Received: from d23dlp02.au.ibm.com (202.81.31.213) by e23smtp05.au.ibm.com (202.81.31.211) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Tue, 15 Jul 2014 19:39:49 +1000 Received: from d23relay03.au.ibm.com (d23relay03.au.ibm.com [9.190.235.21]) by d23dlp02.au.ibm.com (Postfix) with ESMTP id B711D2BB0052 for ; Tue, 15 Jul 2014 19:39:48 +1000 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay03.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s6F9dWG91049018 for ; Tue, 15 Jul 2014 19:39:32 +1000 Received: from d23av01.au.ibm.com (localhost [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s6F9dm8q026346 for ; Tue, 15 Jul 2014 19:39:48 +1000 Received: from ozlabs.au.ibm.com (ozlabs.au.ibm.com [9.190.163.12]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id s6F9dmMQ026340; Tue, 15 Jul 2014 19:39:48 +1000 Received: from bran.ozlabs.ibm.com (haven.au.ibm.com [9.190.164.82]) by ozlabs.au.ibm.com (Postfix) with ESMTP id CFFDFA027E; Tue, 15 Jul 2014 19:39:47 +1000 (EST) Received: from ka1.ozlabs.ibm.com (ka1.ozlabs.ibm.com [10.61.145.11]) by bran.ozlabs.ibm.com (Postfix) with ESMTP id 3D55D16AB76; Tue, 15 Jul 2014 19:39:47 +1000 (EST) From: Alexey Kardashevskiy To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH QEMU 04/12] linux headers update for DDW Date: Tue, 15 Jul 2014 19:39:36 +1000 Message-Id: <1405417184-14333-5-git-send-email-aik@ozlabs.ru> X-Mailer: git-send-email 2.0.0 In-Reply-To: <1405417184-14333-1-git-send-email-aik@ozlabs.ru> References: <1405417184-14333-1-git-send-email-aik@ozlabs.ru> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14071509-1396-0000-0000-0000053AA844 Cc: Alexey Kardashevskiy , Paul Mackerras , Gavin Shan X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.16 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" Signed-off-by: Alexey Kardashevskiy --- linux-headers/linux/vfio.h | 37 ++++++++++++++++++++++++++++++++++++- 1 file changed, 36 insertions(+), 1 deletion(-) diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h index 26c218e..f0aa97d 100644 --- a/linux-headers/linux/vfio.h +++ b/linux-headers/linux/vfio.h @@ -448,13 +448,48 @@ struct vfio_iommu_type1_dma_unmap { */ struct vfio_iommu_spapr_tce_info { __u32 argsz; - __u32 flags; /* reserved for future use */ + __u32 flags; +#define VFIO_IOMMU_SPAPR_TCE_FLAG_DDW 1 /* Support dynamic windows */ __u32 dma32_window_start; /* 32 bit window start (bytes) */ __u32 dma32_window_size; /* 32 bit window size (bytes) */ }; #define VFIO_IOMMU_SPAPR_TCE_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12) +/* + * Dynamic DMA windows + */ +struct vfio_iommu_spapr_tce_query { + __u32 argsz; + /* out */ + __u32 windows_available; + __u32 page_size_mask; +}; +#define VFIO_IOMMU_SPAPR_TCE_QUERY _IO(VFIO_TYPE, VFIO_BASE + 17) + +struct vfio_iommu_spapr_tce_create { + __u32 argsz; + /* in */ + __u32 page_shift; + __u32 window_shift; + /* out */ + __u64 start_addr; + +}; +#define VFIO_IOMMU_SPAPR_TCE_CREATE _IO(VFIO_TYPE, VFIO_BASE + 18) + +struct vfio_iommu_spapr_tce_remove { + __u32 argsz; + /* in */ + __u64 start_addr; +}; +#define VFIO_IOMMU_SPAPR_TCE_REMOVE _IO(VFIO_TYPE, VFIO_BASE + 19) + +struct vfio_iommu_spapr_tce_reset { + __u32 argsz; +}; +#define VFIO_IOMMU_SPAPR_TCE_RESET _IO(VFIO_TYPE, VFIO_BASE + 20) + /* ***************************************************************** */ #endif /* VFIO_H */