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spapr_iommu: Get rid of window_size in sPAPRTCETable

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This removes window_size as it is basically a copy of nb_table
shifted by SPAPR_TCE_PAGE_SHIFT. As new dynamic DMA windows are
going to support windows as big as the entire RAM and this number
will be bigger that 32 capacity, we will have to do something
about @window_size anyway and removal seems to be the right way to go.

This removes dma_window_start/dma_window_size from sPAPRPHBState as
they are no longer used.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexey Kardashevskiy 2014-05-27 15:36:35 +10:00 • committed by Alexander Graf
parent e4c35b78bc
commit 523e7b8ab8
7 changed files with 26 additions and 40 deletions
Download patch file Download diff file Expand all files Collapse all files

2
include/hw/pci-host/spapr.h
View file

@ -60,8 +60,6 @@ struct sPAPRPHBState {
MemoryRegion memwindow, iowindow;
uint32_t dma_liobn;
uint64_t dma_window_start;
uint64_t dma_window_size;
AddressSpace iommu_as;
MemoryRegion iommu_root;

3
include/hw/ppc/spapr.h
View file

@ -397,7 +397,6 @@ typedef struct sPAPRTCETable sPAPRTCETable;
struct sPAPRTCETable {
DeviceState parent;
uint32_t liobn;
uint32_t window_size;
uint32_t nb_table;
uint64_t *table;
bool bypass;
@ -410,7 +409,7 @@ void spapr_events_init(sPAPREnvironment *spapr);
void spapr_events_fdt_skel(void *fdt, uint32_t epow_irq);
int spapr_h_cas_compose_response(target_ulong addr, target_ulong size);
sPAPRTCETable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn,
size_t window_size);
uint32_t nb_table);
MemoryRegion *spapr_tce_get_iommu(sPAPRTCETable *tcet);
void spapr_tce_set_bypass(sPAPRTCETable *tcet, bool bypass);
int spapr_dma_dt(void *fdt, int node_off, const char *propname,