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 <a...@ozlabs.ru> --- 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