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spapr_vio: Introduce a liobn number generating macros

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This introduces a macro which makes up a LIOBN from fixed prefix and
VIO device address (@reg property).

This is to keep LIOBN macros rendering consistent - the same macro for
PCI has been added by the previous patch.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexey Kardashevskiy 2015-05-07 15:33:31 +10:00 committed by Alexander Graf
parent c8545818b3
commit 4290ca49ee
2 changed files with 2 additions and 1 deletions
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2
hw/ppc/spapr_vio.c
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@ -469,7 +469,7 @@ static void spapr_vio_busdev_realize(DeviceState *qdev, Error **errp)
}
if (pc->rtce_window_size) {
uint32_t liobn = SPAPR_VIO_BASE_LIOBN | dev->reg;
uint32_t liobn = SPAPR_VIO_LIOBN(dev->reg);
memory_region_init(&dev->mrroot, OBJECT(dev), "iommu-spapr-root",
ram_size);

1
include/hw/ppc/spapr.h
View File

@ -482,6 +482,7 @@ int spapr_rtas_device_tree_setup(void *fdt, hwaddr rtas_addr,
#define SPAPR_TCE_PAGE_MASK (SPAPR_TCE_PAGE_SIZE - 1)
#define SPAPR_VIO_BASE_LIOBN 0x00000000
#define SPAPR_VIO_LIOBN(reg) (0x00000000 | (reg))
#define SPAPR_PCI_LIOBN(phb_index, window_num) \
(0x80000000 | ((phb_index) << 8) | (window_num))
#define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)