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habanalabs: add asic property of host dma offset

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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>
This commit is contained in:
Oded Gabbay 2021-07-10 21:12:45 +03:00
parent d18bf13e22
commit 2b5bbef5e8
3 changed files with 5 additions and 0 deletions
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3
drivers/misc/habanalabs/common/habanalabs.h
View File

@ -434,6 +434,8 @@ struct hl_hints_range {
* the device's MMU.
* @dram_hints_align_mask: dram va hint addresses alignment mask which is used
* for hints validity check.
* device_dma_offset_for_host_access: the offset to add to host DMA addresses
* to enable the device to access them.
* @mmu_pgt_size: MMU page tables total size.
* @mmu_pte_size: PTE size in MMU page tables.
* @mmu_hop_table_size: MMU hop table size.
@ -527,6 +529,7 @@ struct asic_fixed_properties {
u64 cb_va_start_addr;
u64 cb_va_end_addr;
u64 dram_hints_align_mask;
u64 device_dma_offset_for_host_access;
u32 mmu_pgt_size;
u32 mmu_pte_size;
u32 mmu_hop_table_size;

1
drivers/misc/habanalabs/gaudi/gaudi.c
View File

@ -537,6 +537,7 @@ static int gaudi_set_fixed_properties(struct hl_device *hdev)
get_collective_mode(hdev, i);
}
prop->device_dma_offset_for_host_access = HOST_PHYS_BASE;
prop->completion_queues_count = NUMBER_OF_CMPLT_QUEUES;
prop->collective_first_sob = 0;
prop->collective_first_mon = 0;

1
drivers/misc/habanalabs/goya/goya.c
View File

@ -389,6 +389,7 @@ int goya_set_fixed_properties(struct hl_device *hdev)
prop->hw_queues_props[i].cb_alloc_flags = CB_ALLOC_USER;
}
prop->device_dma_offset_for_host_access = HOST_PHYS_BASE;
prop->completion_queues_count = NUMBER_OF_CMPLT_QUEUES;
prop->dram_base_address = DRAM_PHYS_BASE;