forked from Minki/linux
habanalabs: add asic property of host dma offset
Each ASIC can have a different offset to add to a host dma address, to enable the ASIC to access that host memory. The usage for this can be common code so add this to the asic property structure. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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@ -434,6 +434,8 @@ struct hl_hints_range {
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* the device's MMU.
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* @dram_hints_align_mask: dram va hint addresses alignment mask which is used
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* for hints validity check.
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* device_dma_offset_for_host_access: the offset to add to host DMA addresses
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* to enable the device to access them.
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* @mmu_pgt_size: MMU page tables total size.
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* @mmu_pte_size: PTE size in MMU page tables.
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* @mmu_hop_table_size: MMU hop table size.
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@ -527,6 +529,7 @@ struct asic_fixed_properties {
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u64 cb_va_start_addr;
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u64 cb_va_end_addr;
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u64 dram_hints_align_mask;
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u64 device_dma_offset_for_host_access;
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u32 mmu_pgt_size;
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u32 mmu_pte_size;
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u32 mmu_hop_table_size;
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@ -537,6 +537,7 @@ static int gaudi_set_fixed_properties(struct hl_device *hdev)
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get_collective_mode(hdev, i);
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}
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prop->device_dma_offset_for_host_access = HOST_PHYS_BASE;
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prop->completion_queues_count = NUMBER_OF_CMPLT_QUEUES;
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prop->collective_first_sob = 0;
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prop->collective_first_mon = 0;
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@ -389,6 +389,7 @@ int goya_set_fixed_properties(struct hl_device *hdev)
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prop->hw_queues_props[i].cb_alloc_flags = CB_ALLOC_USER;
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}
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prop->device_dma_offset_for_host_access = HOST_PHYS_BASE;
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prop->completion_queues_count = NUMBER_OF_CMPLT_QUEUES;
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prop->dram_base_address = DRAM_PHYS_BASE;
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