diff options
| author | Omer Shpigelman <oshpigelman@habana.ai> | 2020-05-24 22:06:59 +0200 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2020-05-25 07:17:57 +0200 |
| commit | 8ff5f4fd40df9525675ea0e512da4cec65d646eb (patch) | |
| tree | fc7ae7c7cae4bfda1d96d9fc075d61414980a011 /drivers/misc/habanalabs/habanalabs.h | |
| parent | habanalabs: don't allow hard reset with open processes (diff) | |
| download | linux-8ff5f4fd40df9525675ea0e512da4cec65d646eb.tar.xz linux-8ff5f4fd40df9525675ea0e512da4cec65d646eb.zip | |
habanalabs: handle MMU cache invalidation timeout
MMU cache invalidation timeout indicates that the device is unstable and
therefore unusable.
Hence in such case do hard reset and return an error to the user if was
called from ioctl.
In addition, change the print to error level and rephrase its text.
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/habanalabs.h')
| -rw-r--r-- | drivers/misc/habanalabs/habanalabs.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/misc/habanalabs/habanalabs.h b/drivers/misc/habanalabs/habanalabs.h index 0f0691875298..1ecdcf8b763a 100644 --- a/drivers/misc/habanalabs/habanalabs.h +++ b/drivers/misc/habanalabs/habanalabs.h @@ -675,9 +675,9 @@ struct hl_asic_funcs { u32 *size); u64 (*read_pte)(struct hl_device *hdev, u64 addr); void (*write_pte)(struct hl_device *hdev, u64 addr, u64 val); - void (*mmu_invalidate_cache)(struct hl_device *hdev, bool is_hard, + int (*mmu_invalidate_cache)(struct hl_device *hdev, bool is_hard, u32 flags); - void (*mmu_invalidate_cache_range)(struct hl_device *hdev, bool is_hard, + int (*mmu_invalidate_cache_range)(struct hl_device *hdev, bool is_hard, u32 asid, u64 va, u64 size); int (*send_heartbeat)(struct hl_device *hdev); void (*enable_clock_gating)(struct hl_device *hdev); @@ -755,8 +755,8 @@ struct hl_va_range { * with huge pages. * @dram_va_range: holds available virtual addresses for DRAM mappings. * @mem_hash_lock: protects the mem_hash. - * @mmu_lock: protects the MMU page tables. Any change to the PGT, modifing the - * MMU hash or walking the PGT requires talking this lock + * @mmu_lock: protects the MMU page tables. Any change to the PGT, modifying the + * MMU hash or walking the PGT requires talking this lock. * @debugfs_list: node in debugfs list of contexts. * @cs_sequence: sequence number for CS. Value is assigned to a CS and passed * to user so user could inquire about CS. It is used as |