diff options
| author | Ohad Sharabi <osharabi@habana.ai> | 2022-03-21 13:39:19 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-05-22 20:57:36 +0200 |
| commit | acbabe63efa78012eb3702486e1cfe7b485f70a0 (patch) | |
| tree | 523cb560e0d17924fa451b97ea241b190f17388b /drivers/misc/habanalabs/gaudi | |
| parent | habanalabs: convert ts to use unified memory manager (diff) | |
| download | linux-acbabe63efa78012eb3702486e1cfe7b485f70a0.tar.xz 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/gaudi')
| -rw-r--r-- | drivers/misc/habanalabs/gaudi/gaudi.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index 66d56efb55ee..68c066e39660 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -9377,6 +9377,12 @@ static void gaudi_get_valid_dram_page_orders(struct hl_info_dev_memalloc_page_si info->page_order_bitmask = 0; } +static int gaudi_mmu_prefetch_cache_range(struct hl_device *hdev, u32 flags, u32 asid, u64 va, + u64 size) +{ + return 0; +} + static ssize_t infineon_ver_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hl_device *hdev = dev_get_drvdata(dev); @@ -9444,6 +9450,7 @@ static const struct hl_asic_funcs gaudi_funcs = { .write_pte = gaudi_write_pte, .mmu_invalidate_cache = gaudi_mmu_invalidate_cache, .mmu_invalidate_cache_range = gaudi_mmu_invalidate_cache_range, + .mmu_prefetch_cache_range = gaudi_mmu_prefetch_cache_range, .send_heartbeat = gaudi_send_heartbeat, .debug_coresight = gaudi_debug_coresight, .is_device_idle = gaudi_is_device_idle, |