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| author | Ohad Sharabi <osharabi@habana.ai> | 2022-03-21 14:39:19 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-05-22 20:57:36 +0200 |
| commit | acbabe63efa78012eb3702486e1cfe7b485f70a0 (patch) | |
| tree | 523cb560e0d17924fa451b97ea241b190f17388b /drivers/misc/habanalabs/goya | |
| parent | 4d530e7d121a2b4fc703c4c2145ae761140bc18f (diff) | |
| download | linux-acbabe63efa78012eb3702486e1cfe7b485f70a0.tar.gz linux-acbabe63efa78012eb3702486e1cfe7b485f70a0.tar.bz2 linux-acbabe63efa78012eb3702486e1cfe7b485f70a0.zip | |
habanalabs: add MMU prefetch to ASIC-specific code
This is necessary pre-requisite for future ASIC support, where MMU
TLB prefetch is supported.
Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/habanalabs/goya')
| -rw-r--r-- | drivers/misc/habanalabs/goya/goya.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index 0bc2b077d9f6..bc8431e4b50b 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -5680,6 +5680,12 @@ static void goya_get_valid_dram_page_orders(struct hl_info_dev_memalloc_page_siz info->page_order_bitmask = 0; } +static int goya_mmu_prefetch_cache_range(struct hl_device *hdev, u32 flags, u32 asid, u64 va, + u64 size) +{ + return 0; +} + static const struct hl_asic_funcs goya_funcs = { .early_init = goya_early_init, .early_fini = goya_early_fini, @@ -5724,6 +5730,7 @@ static const struct hl_asic_funcs goya_funcs = { .write_pte = goya_write_pte, .mmu_invalidate_cache = goya_mmu_invalidate_cache, .mmu_invalidate_cache_range = goya_mmu_invalidate_cache_range, + .mmu_prefetch_cache_range = goya_mmu_prefetch_cache_range, .send_heartbeat = goya_send_heartbeat, .debug_coresight = goya_debug_coresight, .is_device_idle = goya_is_device_idle, |