[PATCH 00/44] Add HMM-based SVM memory manager to KFD v2
Felix Kuehling
Felix.Kuehling at amd.com
Mon Mar 22 10:58:16 UTC 2021
Since the last patch series I sent on Jan 6 a lot has changed. Patches 1-33
are the cleaned up, rebased on amd-staging-drm-next 5.11 version from about
a week ago. The remaining 11 patches are current work-in-progress with
further cleanup and fixes.
MMU notifiers and CPU page faults now can split ranges and update our range
data structures without taking heavy locks by doing some of the critical
work in a deferred work handler. This includes updating MMU notifiers and
the SVM range interval tree. In the mean time, new ranges can live as
children of their parent ranges until the deferred work handler consolidates
them in the main interval tree.
We also added proper DMA mapping of system memory pages.
Current work in progress is cleaning up all the locking, simplifying our
code and data structures and resolving a few known bugs.
This series and the corresponding ROCm Thunk and KFDTest changes are also
available on gitub:
https://github.com/RadeonOpenCompute/ROCK-Kernel-Driver/tree/fxkamd/hmm-wip
https://github.com/RadeonOpenCompute/ROCT-Thunk-Interface/tree/fxkamd/hmm-wip
An updated Thunk
Alex Sierra (10):
drm/amdgpu: replace per_device_list by array
drm/amdkfd: helper to convert gpu id and idx
drm/amdkfd: add xnack enabled flag to kfd_process
drm/amdkfd: add ioctl to configure and query xnack retries
drm/amdgpu: enable 48-bit IH timestamp counter
drm/amdkfd: SVM API call to restore page tables
drm/amdkfd: add svm_bo reference for eviction fence
drm/amdgpu: add param bit flag to create SVM BOs
drm/amdgpu: svm bo enable_signal call condition
drm/amdgpu: add svm_bo eviction to enable_signal cb
Felix Kuehling (22):
drm/amdkfd: map svm range to GPUs
drm/amdkfd: svm range eviction and restore
drm/amdkfd: validate vram svm range from TTM
drm/amdkfd: HMM migrate ram to vram
drm/amdkfd: HMM migrate vram to ram
drm/amdkfd: invalidate tables on page retry fault
drm/amdkfd: page table restore through svm API
drm/amdkfd: add svm_bo eviction mechanism support
drm/amdkfd: refine migration policy with xnack on
drm/amdkfd: add svm range validate timestamp
drm/amdkfd: multiple gpu migrate vram to vram
drm/amdkfd: Fix dma unmapping
drm/amdkfd: Call mutex_destroy
drm/amdkfd: Fix spurious restore failures
drm/amdkfd: Fix svm_bo_list locking in eviction worker
drm/amdkfd: Simplify split_by_granularity
drm/amdkfd: Point out several race conditions
drm/amdkfd: Return pdd from kfd_process_device_from_gduid
drm/amdkfd: Remove broken deferred mapping
drm/amdkfd: Allow invalid pages in migration.src
drm/amdkfd: Correct locking during migration and mapping
drm/amdkfd: Nested locking and invalidation of child ranges
Philip Yang (12):
drm/amdkfd: add svm ioctl API
drm/amdkfd: register svm range
drm/amdkfd: add svm ioctl GET_ATTR op
drm/amdgpu: add common HMM get pages function
drm/amdkfd: validate svm range system memory
drm/amdkfd: deregister svm range
drm/amdgpu: export vm update mapping interface
drm/amdkfd: register HMM device private zone
drm/amdkfd: support xgmi same hive mapping
drm/amdkfd: copy memory through gart table
drm/amdgpu: reserve fence slot to update page table
drm/amdkfd: Add SVM API support capability bits
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 4 +
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 4 +-
.../gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c | 16 +-
.../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 13 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c | 83 +
drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h | 7 +
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 4 +
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 90 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 48 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 11 +
drivers/gpu/drm/amd/amdgpu/vega10_ih.c | 1 +
drivers/gpu/drm/amd/amdkfd/Kconfig | 1 +
drivers/gpu/drm/amd/amdkfd/Makefile | 4 +-
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 173 +-
drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c | 4 +
drivers/gpu/drm/amd/amdkfd/kfd_iommu.c | 8 +-
drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 922 ++++++
drivers/gpu/drm/amd/amdkfd/kfd_migrate.h | 59 +
drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 54 +-
drivers/gpu/drm/amd/amdkfd/kfd_process.c | 191 +-
.../amd/amdkfd/kfd_process_queue_manager.c | 6 +-
drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 2865 +++++++++++++++++
drivers/gpu/drm/amd/amdkfd/kfd_svm.h | 175 +
drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 6 +
drivers/gpu/drm/amd/amdkfd/kfd_topology.h | 10 +-
include/uapi/linux/kfd_ioctl.h | 171 +-
26 files changed, 4681 insertions(+), 249 deletions(-)
create mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
create mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_migrate.h
create mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_svm.c
create mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_svm.h
--
2.31.0
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