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From: Alexey Kardashevskiy <aik@ozlabs.ru>
To: linuxppc-dev@lists.ozlabs.org
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>,
	Paul Mackerras <paulus@samba.org>,
	Gavin Shan <gwshan@linux.vnet.ibm.com>
Subject: [PATCH QEMU 04/12] linux headers update for DDW
Date: Tue, 15 Jul 2014 19:39:36 +1000	[thread overview]
Message-ID: <1405417184-14333-5-git-send-email-aik@ozlabs.ru> (raw)
In-Reply-To: <1405417184-14333-1-git-send-email-aik@ozlabs.ru>

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
---
 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

  parent reply	other threads:[~2014-07-15  9:39 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-15  9:39 [PATCH QEMU 00/12] vfio: pci: Enable DDW and in-kernel acceleration Alexey Kardashevskiy
2014-07-15  9:39 ` [PATCH QEMU 01/12] spapr_iommu: Disable in-kernel IOMMU tables for >4GB windows Alexey Kardashevskiy
2014-07-15  9:39 ` [PATCH QEMU 02/12] spapr_pci: Make find_phb()/find_dev() public Alexey Kardashevskiy
2014-07-15  9:39 ` [PATCH QEMU 03/12] spapr_iommu: Make spapr_tce_find_by_liobn() public Alexey Kardashevskiy
2014-07-15  9:39 ` Alexey Kardashevskiy [this message]
2014-07-15  9:39 ` [PATCH QEMU 05/12] spapr_rtas: Add Dynamic DMA windows (DDW) RTAS calls support Alexey Kardashevskiy
2014-07-15  9:39 ` [PATCH QEMU 06/12] spapr: Add "ddw" machine option Alexey Kardashevskiy
2014-07-15  9:39 ` [PATCH QEMU 07/12] spapr_pci: Enable DDW Alexey Kardashevskiy
2014-07-15  9:39 ` [PATCH QEMU 08/12] spapr_pci_vfio: " Alexey Kardashevskiy
2014-07-15  9:39 ` [PATCH QEMU 09/12] vfio: Enable DDW ioctls to VFIO IOMMU driver Alexey Kardashevskiy
2014-07-15  9:39 ` [PATCH QEMU 10/12] headers: update for KVM_CAP_SPAPR_TCE_64 and VFIO KVM device Alexey Kardashevskiy
2014-07-15  9:39 ` [PATCH QEMU 11/12] target-ppc: kvm: make use of KVM_CREATE_SPAPR_TCE_64 Alexey Kardashevskiy
2014-07-15  9:39 ` [PATCH QEMU 12/12] vfio: Enable in-kernel acceleration via VFIO KVM device Alexey Kardashevskiy

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