diff options
Diffstat (limited to 'hw/dma')
| -rw-r--r-- | hw/dma/rc4030.c | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/hw/dma/rc4030.c b/hw/dma/rc4030.c index edf9432051..5d4833eeca 100644 --- a/hw/dma/rc4030.c +++ b/hw/dma/rc4030.c @@ -54,6 +54,8 @@ typedef struct dma_pagetable_entry { #define RC4030(obj) \ OBJECT_CHECK(rc4030State, (obj), TYPE_RC4030) +#define TYPE_RC4030_IOMMU_MEMORY_REGION "rc4030-iommu-memory-region" + typedef struct rc4030State { SysBusDevice parent; @@ -90,7 +92,7 @@ typedef struct rc4030State qemu_irq jazz_bus_irq; /* whole DMA memory region, root of DMA address space */ - MemoryRegion dma_mr; + IOMMUMemoryRegion dma_mr; AddressSpace dma_as; MemoryRegion iomem_chipset; @@ -488,7 +490,7 @@ static const MemoryRegionOps jazzio_ops = { .endianness = DEVICE_NATIVE_ENDIAN, }; -static IOMMUTLBEntry rc4030_dma_translate(MemoryRegion *iommu, hwaddr addr, +static IOMMUTLBEntry rc4030_dma_translate(IOMMUMemoryRegion *iommu, hwaddr addr, IOMMUAccessFlags flag) { rc4030State *s = container_of(iommu, rc4030State, dma_mr); @@ -516,10 +518,6 @@ static IOMMUTLBEntry rc4030_dma_translate(MemoryRegion *iommu, hwaddr addr, return ret; } -static const MemoryRegionIOMMUOps rc4030_dma_ops = { - .translate = rc4030_dma_translate, -}; - static void rc4030_reset(DeviceState *dev) { rc4030State *s = RC4030(dev); @@ -677,9 +675,10 @@ static void rc4030_realize(DeviceState *dev, Error **errp) memory_region_init_io(&s->iomem_jazzio, NULL, &jazzio_ops, s, "rc4030.jazzio", 0x00001000); - memory_region_init_iommu(&s->dma_mr, o, &rc4030_dma_ops, - "rc4030.dma", UINT32_MAX); - address_space_init(&s->dma_as, &s->dma_mr, "rc4030-dma"); + memory_region_init_iommu(&s->dma_mr, sizeof(s->dma_mr), + TYPE_RC4030_IOMMU_MEMORY_REGION, + o, "rc4030.dma", UINT32_MAX); + address_space_init(&s->dma_as, MEMORY_REGION(&s->dma_mr), "rc4030-dma"); } static void rc4030_unrealize(DeviceState *dev, Error **errp) @@ -710,14 +709,29 @@ static const TypeInfo rc4030_info = { .class_init = rc4030_class_init, }; +static void rc4030_iommu_memory_region_class_init(ObjectClass *klass, + void *data) +{ + IOMMUMemoryRegionClass *imrc = IOMMU_MEMORY_REGION_CLASS(klass); + + imrc->translate = rc4030_dma_translate; +} + +static const TypeInfo rc4030_iommu_memory_region_info = { + .parent = TYPE_IOMMU_MEMORY_REGION, + .name = TYPE_RC4030_IOMMU_MEMORY_REGION, + .class_init = rc4030_iommu_memory_region_class_init, +}; + static void rc4030_register_types(void) { type_register_static(&rc4030_info); + type_register_static(&rc4030_iommu_memory_region_info); } type_init(rc4030_register_types) -DeviceState *rc4030_init(rc4030_dma **dmas, MemoryRegion **dma_mr) +DeviceState *rc4030_init(rc4030_dma **dmas, IOMMUMemoryRegion **dma_mr) { DeviceState *dev; |