diff options
Diffstat (limited to 'drivers/gpu/drm/amd/include')
| -rw-r--r-- | drivers/gpu/drm/amd/include/kgd_kfd_interface.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h index 5733fbee07f7..14391b06080c 100644 --- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h @@ -47,6 +47,17 @@ enum kfd_preempt_type { KFD_PREEMPT_TYPE_WAVEFRONT_RESET, }; +struct kfd_vm_fault_info { + uint64_t page_addr; + uint32_t vmid; + uint32_t mc_id; + uint32_t status; + bool prot_valid; + bool prot_read; + bool prot_write; + bool prot_exec; +}; + struct kfd_cu_info { uint32_t num_shader_engines; uint32_t num_shader_arrays_per_engine; @@ -259,6 +270,21 @@ struct tile_config { * IB to the corresponding ring (ring type). The IB is executed with the * specified VMID in a user mode context. * + * @get_vm_fault_info: Return information about a recent VM fault on + * GFXv7 and v8. If multiple VM faults occurred since the last call of + * this function, it will return information about the first of those + * faults. On GFXv9 VM fault information is fully contained in the IH + * packet and this function is not needed. + * + * @read_vmid_from_vmfault_reg: On Hawaii the VMID is not set in the + * IH ring entry. This function allows the KFD ISR to get the VMID + * from the fault status register as early as possible. + * + * @gpu_recover: let kgd reset gpu after kfd detect CPC hang + * + * @set_compute_idle: Indicates that compute is idle on a device. This + * can be used to change power profiles depending on compute activity. + * * This structure contains function pointers to services that the kgd driver * provides to amdkfd driver. * @@ -374,6 +400,14 @@ struct kfd2kgd_calls { int (*submit_ib)(struct kgd_dev *kgd, enum kgd_engine_type engine, uint32_t vmid, uint64_t gpu_addr, uint32_t *ib_cmd, uint32_t ib_len); + + int (*get_vm_fault_info)(struct kgd_dev *kgd, + struct kfd_vm_fault_info *info); + uint32_t (*read_vmid_from_vmfault_reg)(struct kgd_dev *kgd); + + void (*gpu_recover)(struct kgd_dev *kgd); + + void (*set_compute_idle)(struct kgd_dev *kgd, bool idle); }; /** @@ -399,6 +433,10 @@ struct kfd2kgd_calls { * @schedule_evict_and_restore_process: Schedules work queue that will prepare * for safe eviction of KFD BOs that belong to the specified process. * + * @pre_reset: Notifies amdkfd that amdgpu about to reset the gpu + * + * @post_reset: Notify amdkfd that amgpu successfully reseted the gpu + * * This structure contains function callback pointers so the kgd driver * will notify to the amdkfd about certain status changes. * @@ -417,6 +455,8 @@ struct kgd2kfd_calls { int (*resume_mm)(struct mm_struct *mm); int (*schedule_evict_and_restore_process)(struct mm_struct *mm, struct dma_fence *fence); + int (*pre_reset)(struct kfd_dev *kfd); + int (*post_reset)(struct kfd_dev *kfd); }; int kgd2kfd_init(unsigned interface_version, |