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| author |  Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
| 2021-11-08 11:21:57 -0500 |
|---|---|---|
| committer |  Alex Deucher <alexander.deucher@amd.com>
| 2022-02-07 17:59:53 -0500 |
| commit | c2db32ce77adf82dd2a4193abc709ec51474f84e (patch) | |
| tree | 69fb8aabe21215d51e1d7dcfe6b2a18c8e2343a1 /drivers/gpu/drm/amd/amdkfd/kfd_svm.h | |
| parent | drm/amdkfd: CRIU Save Shared Virtual Memory ranges (diff) | |
| download | linux-c2db32ce77adf82dd2a4193abc709ec51474f84e.tar.gz linux-c2db32ce77adf82dd2a4193abc709ec51474f84e.tar.bz2 linux-c2db32ce77adf82dd2a4193abc709ec51474f84e.zip | |
drm/amdkfd: CRIU prepare for svm resume
During CRIU restore phase, the VMAs for the virtual address ranges are
not at their final location yet so in this stage, only cache the data
required to successfully resume the svm ranges during an imminent CRIU
resume phase.
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_svm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.h b/drivers/gpu/drm/amd/amdkfd/kfd_svm.h index f36c2fa8469a..3b5948f67de2 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.h @@ -188,6 +188,10 @@ int svm_range_get_info(struct kfd_process *p, uint32_t *num_svm_ranges, int kfd_criu_checkpoint_svm(struct kfd_process *p, uint8_t __user *user_priv_data, uint64_t *priv_offset); +int kfd_criu_restore_svm(struct kfd_process *p, + uint8_t __user *user_priv_ptr, + uint64_t *priv_data_offset, + uint64_t max_priv_data_size); struct kfd_process_device * svm_range_get_pdd_by_adev(struct svm_range *prange, struct amdgpu_device *adev); void svm_range_list_lock_and_flush_work(struct svm_range_list *svms, struct mm_struct *mm); @@ -241,6 +245,14 @@ static inline int kfd_criu_checkpoint_svm(struct kfd_process *p, return 0; } +static inline int kfd_criu_restore_svm(struct kfd_process *p, + uint8_t __user *user_priv_ptr, + uint64_t *priv_data_offset, + uint64_t max_priv_data_size) +{ + return -EINVAL; +} + #define KFD_IS_SVM_API_SUPPORTED(dev) false #endif /* IS_ENABLED(CONFIG_HSA_AMD_SVM) */ |