From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59675) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XIEVL-00019g-Hy for qemu-devel@nongnu.org; Fri, 15 Aug 2014 06:13:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XIEV8-0001Bg-7z for qemu-devel@nongnu.org; Fri, 15 Aug 2014 06:13:03 -0400 Received: from e23smtp02.au.ibm.com ([202.81.31.144]:42332) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XIEV7-00019Q-Df for qemu-devel@nongnu.org; Fri, 15 Aug 2014 06:12:50 -0400 Received: from /spool/local by e23smtp02.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 15 Aug 2014 20:12:46 +1000 From: Alexey Kardashevskiy Date: Fri, 15 Aug 2014 20:12:32 +1000 Message-Id: <1408097555-28126-11-git-send-email-aik@ozlabs.ru> In-Reply-To: <1408097555-28126-1-git-send-email-aik@ozlabs.ru> References: <1408097555-28126-1-git-send-email-aik@ozlabs.ru> Subject: [Qemu-devel] [RFC PATCH v2 10/13] linux headers update for DDW List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Alexey Kardashevskiy , Alexander Graf , Gavin Shan , Alex Williamson , qemu-ppc@nongnu.org, David Gibson Since the changes are not in upstream yet, no tag or branch is specified here. 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 */ -- 2.0.0