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[Qemu-devel] [RFC PATCH 05/10] linux headers update for DDW
From: |
Alexey Kardashevskiy |
Subject: |
[Qemu-devel] [RFC PATCH 05/10] linux headers update for DDW |
Date: |
Thu, 31 Jul 2014 19:34:09 +1000 |
Signed-off-by: Alexey Kardashevskiy <address@hidden>
---
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
- [Qemu-devel] [RFC PATCH 00/10] spapr: vfio: Enable Dynamic DMA windows (DDW), Alexey Kardashevskiy, 2014/07/31
- [Qemu-devel] [RFC PATCH 06/10] spapr_rtas: Add Dynamic DMA windows (DDW) RTAS calls support, Alexey Kardashevskiy, 2014/07/31
- [Qemu-devel] [RFC PATCH 01/10] qom: Make object_child_foreach safe for objects removal, Alexey Kardashevskiy, 2014/07/31
- [Qemu-devel] [RFC PATCH 03/10] spapr_pci: Make find_phb()/find_dev() public, Alexey Kardashevskiy, 2014/07/31
- [Qemu-devel] [RFC PATCH 09/10] spapr_pci_vfio: Enable DDW, Alexey Kardashevskiy, 2014/07/31
- [Qemu-devel] [RFC PATCH 08/10] spapr_pci: Enable DDW, Alexey Kardashevskiy, 2014/07/31
- [Qemu-devel] [RFC PATCH 07/10] spapr: Add "ddw" machine option, Alexey Kardashevskiy, 2014/07/31
- [Qemu-devel] [RFC PATCH 05/10] linux headers update for DDW,
Alexey Kardashevskiy <=
- [Qemu-devel] [RFC PATCH 02/10] spapr_iommu: Disable in-kernel IOMMU tables for >4GB windows, Alexey Kardashevskiy, 2014/07/31
- [Qemu-devel] [RFC PATCH 10/10] vfio: Enable DDW ioctls to VFIO IOMMU driver, Alexey Kardashevskiy, 2014/07/31
- [Qemu-devel] [RFC PATCH 04/10] spapr_iommu: Make spapr_tce_find_by_liobn() public, Alexey Kardashevskiy, 2014/07/31