diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 59 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.h | 11 |
4 files changed, 81 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c index 3ec44f71307d..a755ea68a428 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c @@ -2099,10 +2099,9 @@ static int criu_get_process_object_info(struct kfd_process *p, uint32_t *num_objects, uint64_t *objs_priv_size) { - int ret; - uint64_t priv_size; + uint64_t queues_priv_data_size, svm_priv_data_size, priv_size; uint32_t num_queues, num_events, num_svm_ranges; - uint64_t queues_priv_data_size; + int ret; *num_devices = p->n_pdds; *num_bos = get_process_num_bos(p); @@ -2112,7 +2111,10 @@ static int criu_get_process_object_info(struct kfd_process *p, return ret; num_events = kfd_get_num_events(p); - num_svm_ranges = 0; /* TODO: Implement SVM-Ranges */ + + ret = svm_range_get_info(p, &num_svm_ranges, &svm_priv_data_size); + if (ret) + return ret; *num_objects = num_queues + num_events + num_svm_ranges; @@ -2122,7 +2124,7 @@ static int criu_get_process_object_info(struct kfd_process *p, priv_size += *num_bos * sizeof(struct kfd_criu_bo_priv_data); priv_size += queues_priv_data_size; priv_size += num_events * sizeof(struct kfd_criu_event_priv_data); - /* TODO: Add SVM ranges priv size */ + priv_size += svm_priv_data_size; *objs_priv_size = priv_size; } return 0; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index 903ad4a263f0..715dd0d4fac5 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -1082,7 +1082,10 @@ enum kfd_criu_object_type { struct kfd_criu_svm_range_priv_data { uint32_t object_type; - uint32_t reserved; + uint64_t start_addr; + uint64_t size; + /* Variable length array of attributes */ + struct kfd_ioctl_svm_attribute attrs[0]; }; struct kfd_criu_queue_priv_data { diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index d34508f5e88b..64cd7712c098 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -3481,6 +3481,65 @@ fill_values: return 0; } +int svm_range_get_info(struct kfd_process *p, uint32_t *num_svm_ranges, + uint64_t *svm_priv_data_size) +{ + uint64_t total_size, accessibility_size, common_attr_size; + int nattr_common = 4, nattr_accessibility = 1; + int num_devices = p->n_pdds; + struct svm_range_list *svms; + struct svm_range *prange; + uint32_t count = 0; + + *svm_priv_data_size = 0; + + svms = &p->svms; + if (!svms) + return -EINVAL; + + mutex_lock(&svms->lock); + list_for_each_entry(prange, &svms->list, list) { + pr_debug("prange: 0x%p start: 0x%lx\t npages: 0x%llx\t end: 0x%llx\n", + prange, prange->start, prange->npages, + prange->start + prange->npages - 1); + count++; + } + mutex_unlock(&svms->lock); + + *num_svm_ranges = count; + /* Only the accessbility attributes need to be queried for all the gpus + * individually, remaining ones are spanned across the entire process + * regardless of the various gpu nodes. Of the remaining attributes, + * KFD_IOCTL_SVM_ATTR_CLR_FLAGS need not be saved. + * + * KFD_IOCTL_SVM_ATTR_PREFERRED_LOC + * KFD_IOCTL_SVM_ATTR_PREFETCH_LOC + * KFD_IOCTL_SVM_ATTR_SET_FLAGS + * KFD_IOCTL_SVM_ATTR_GRANULARITY + * + * ** ACCESSBILITY ATTRIBUTES ** + * (Considered as one, type is altered during query, value is gpuid) + * KFD_IOCTL_SVM_ATTR_ACCESS + * KFD_IOCTL_SVM_ATTR_ACCESS_IN_PLACE + * KFD_IOCTL_SVM_ATTR_NO_ACCESS + */ + if (*num_svm_ranges > 0) { + common_attr_size = sizeof(struct kfd_ioctl_svm_attribute) * + nattr_common; + accessibility_size = sizeof(struct kfd_ioctl_svm_attribute) * + nattr_accessibility * num_devices; + + total_size = sizeof(struct kfd_criu_svm_range_priv_data) + + common_attr_size + accessibility_size; + + *svm_priv_data_size = *num_svm_ranges * total_size; + } + + pr_debug("num_svm_ranges %u total_priv_size %llu\n", *num_svm_ranges, + *svm_priv_data_size); + return 0; +} + int svm_ioctl(struct kfd_process *p, enum kfd_ioctl_svm_op op, uint64_t start, uint64_t size, uint32_t nattrs, struct kfd_ioctl_svm_attribute *attrs) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.h b/drivers/gpu/drm/amd/amdkfd/kfd_svm.h index 949b477e2f4c..f052b6022e76 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.h @@ -183,6 +183,8 @@ void svm_range_dma_unmap(struct device *dev, dma_addr_t *dma_addr, void svm_range_free_dma_mappings(struct svm_range *prange); void svm_range_prefault(struct svm_range *prange, struct mm_struct *mm, void *owner); +int svm_range_get_info(struct kfd_process *p, uint32_t *num_svm_ranges, + uint64_t *svm_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); @@ -220,6 +222,15 @@ static inline int svm_range_schedule_evict_svm_bo( return -EINVAL; } +static inline int svm_range_get_info(struct kfd_process *p, + uint32_t *num_svm_ranges, + uint64_t *svm_priv_data_size) +{ + *num_svm_ranges = 0; + *svm_priv_data_size = 0; + return 0; +} + #define KFD_IS_SVM_API_SUPPORTED(dev) false #endif /* IS_ENABLED(CONFIG_HSA_AMD_SVM) */ |