diff options
| author | Omer Shpigelman <oshpigelman@habana.ai> | 2020-06-03 13:03:35 +0300 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2020-06-24 09:09:10 +0300 |
| commit | cfd4176dc0bbbd3d01d6764cd85e1f1705b35548 (patch) | |
| tree | 36ed999d4660e9f15b3d21c28630a4bc59bb66b5 /drivers/misc/habanalabs/gaudi/gaudiP.h | |
| parent | 64536abc62c17ef6c7b0f17b820de9923b80e745 (diff) | |
| download | linux-cfd4176dc0bbbd3d01d6764cd85e1f1705b35548.tar.gz | |
habanalabs: use PI in MMU cache invalidation
The PS flow for MMU cache invalidation caused timeouts in stress tests.
Use PS + PI flow so no timeouts should happen whatsoever.
Signed-off-by: Omer Shpigelman <oshpigelman@habana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/misc/habanalabs/gaudi/gaudiP.h')
| -rw-r--r-- | drivers/misc/habanalabs/gaudi/gaudiP.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/gaudi/gaudiP.h b/drivers/misc/habanalabs/gaudi/gaudiP.h index a46530d375fa..41a8d9bff6bf 100644 --- a/drivers/misc/habanalabs/gaudi/gaudiP.h +++ b/drivers/misc/habanalabs/gaudi/gaudiP.h @@ -229,6 +229,8 @@ struct gaudi_internal_qman_info { * @multi_msi_mode: whether we are working in multi MSI single MSI mode. * Multi MSI is possible only with IOMMU enabled. * @ext_queue_idx: helper index for external queues initialization. + * @mmu_cache_inv_pi: PI for MMU cache invalidation flow. The H/W expects an + * 8-bit value so use u8. */ struct gaudi_device { int (*armcp_info_get)(struct hl_device *hdev); @@ -248,6 +250,7 @@ struct gaudi_device { u32 hw_cap_initialized; u8 multi_msi_mode; u8 ext_queue_idx; + u8 mmu_cache_inv_pi; }; void gaudi_init_security(struct hl_device *hdev); |