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[Qemu-devel] [PATCH qemu v13 14/16] spapr_pci: Add and export DMA resett
From: |
Alexey Kardashevskiy |
Subject: |
[Qemu-devel] [PATCH qemu v13 14/16] spapr_pci: Add and export DMA resetting helper |
Date: |
Tue, 1 Mar 2016 20:10:39 +1100 |
This will be later used by the "ibm,reset-pe-dma-window" RTAS handler
which resets the DMA configuration to the defaults.
Signed-off-by: Alexey Kardashevskiy <address@hidden>
---
hw/ppc/spapr_pci.c | 11 ++++++++---
include/hw/pci-host/spapr.h | 2 ++
2 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index b0cd148..4c6e687 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -1441,10 +1441,8 @@ static int spapr_phb_children_reset(Object *child, void
*opaque)
return 0;
}
-static void spapr_phb_reset(DeviceState *qdev)
+void spapr_phb_dma_reset(sPAPRPHBState *sphb)
{
- sPAPRPHBState *sphb = SPAPR_PCI_HOST_BRIDGE(qdev);
-
spapr_phb_dma_window_disable(sphb, sphb->dma_liobn);
/* Register default 32bit DMA window */
@@ -1452,6 +1450,13 @@ static void spapr_phb_reset(DeviceState *qdev)
SPAPR_TCE_PAGE_SHIFT,
sphb->dma_win_addr,
sphb->dma_win_size);
+}
+
+static void spapr_phb_reset(DeviceState *qdev)
+{
+ sPAPRPHBState *sphb = SPAPR_PCI_HOST_BRIDGE(qdev);
+
+ spapr_phb_dma_reset(sphb);
/* Reset the IOMMU state */
object_child_foreach(OBJECT(qdev), spapr_phb_children_reset, NULL);
diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h
index 03ee006..7848366 100644
--- a/include/hw/pci-host/spapr.h
+++ b/include/hw/pci-host/spapr.h
@@ -147,4 +147,6 @@ static inline void spapr_phb_vfio_reset(DeviceState *qdev)
}
#endif
+void spapr_phb_dma_reset(sPAPRPHBState *sphb);
+
#endif /* __HW_SPAPR_PCI_H__ */
--
2.5.0.rc3
[Qemu-devel] [PATCH qemu v13 15/16] vfio: Move iova_pgsizes from container to guest IOMMU, Alexey Kardashevskiy, 2016/03/01