Commit graph

13 commits

Author SHA1 Message Date
David Francis
f9db1fc52c drm/amdgpu: Add ioctl to get all gem handles for a process
Add new ioctl DRM_IOCTL_AMDGPU_GEM_LIST_HANDLES.

This ioctl returns a list of bos with their handles, sizes,
and flags and domains.

This ioctl is meant to be used during CRIU checkpoint and
provide information needed to reconstruct the bos
in CRIU restore.

Userspace for this and the next change can be found at
https://github.com/checkpoint-restore/criu/pull/2613

Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-02 15:34:00 -04:00
David Francis
0317e0e224 drm/amdgpu: Allow more flags to be set on gem create.
The GEM create flag AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE
specifies that gem memory contains sensitive information and
should be cleared to prevent snooping.

The COHERENT and UNCACHED gem create flags enable memory
features related to sharing memory across devices.

For CRIU we need to re-create KFD BOs through the
GEM_CREATE IOCTL, so allow those KFD specific flags here as well.
This will also aid us in the future and allows to move
the KFD components over using the render node for allocations.

Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-02 15:34:00 -04:00
Christian König
6716a823d1 drm/amdgpu: rework how PTE flags are generated v3
Previously we tried to keep the HW specific PTE flags in each mapping,
but for CRIU that isn't sufficient any more since the original value is
needed for the checkpoint procedure.

So rework the whole handling, nuke the early mapping function, keep the
UAPI flags in each mapping instead of the HW flags and translate them to
the HW flags while filling in the PTEs.

Only tested on Navi 23 for now, so probably needs quite a bit of more
work.

v2: fix KFD and SVN handling
v3: one more SVN fix pointed out by Felix
v4: squash in gfx12 fix from David

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-08-04 14:26:38 -04:00
Christian König
6dcba0975d drm/amdgpu: use GEM references instead of TTMs v2
Instead of a TTM reference grab a GEM reference whenever necessary.

v2: fix typo in amdgpu_bo_unref pointed out by Vitaly,
    initialize the GEM funcs for kernel allocations as well.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> (v1)
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-09-18 16:15:13 -04:00
Philip Yang
3ebfd221c1 drm/amdkfd: Store xcp partition id to amdgpu bo
For memory accounting per compute partition and export drm amdgpu bo and
then import to KFD, we need the xcp id to account the memory usage or
find the KFD node of the original amdgpu bo to create the KFD bo on the
correct adev KFD node.

Set xcp_id_plus1 of amdgpu_bo_param to create bo and store xcp_id to
amddgpu bo. Add helper macro to get the mem_id from adev and xcp_id.

v2: squash in fix ("drm/amdgpu: Fix BO creation failure on GFX 9.4.3 dGPU")

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 10:36:38 -04:00
Philip Yang
f24e924b7e drm/amdgpu: Add memory partition mem_id to amdgpu_bo
Add mem_id_plus1 parameter to amdgpu_gem_object_create and pass it to
amdgpu_bo_create. For dGPU mode allocation, mem_id is used by VRAM
manager to get the memory partition fpfn, lpfn from xcp manager. For APU
native mode allocation, mem_id is used to get NUMA node id from xcp
manager, then pass to TTM as numa pool id to alloc memory from the
specific NUMA node. mem_id -1 means for entire VRAM or any NUMA nodes.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 10:00:00 -04:00
Thomas Zimmermann
246cb7e49a drm/amdgpu: Introduce GEM object functions
GEM object functions deprecate several similar callback interfaces in
struct drm_driver. This patch replaces the per-driver callbacks with
per-instance callbacks in amdgpu. The only exception is gem_prime_mmap,
which is non-trivial to convert.

v3:
	* remove amdgpu_object.c from patch (Christian)
v2:
	* move object-function instance to amdgpu_gem.c (Christian)
	* set callbacks in amdgpu_gem_object_create() (Christian)

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200923102159.24084-2-tzimmermann@suse.de
2020-09-25 09:19:42 +02:00
Christian König
71776b6dae drm/amdgpu: cleanup mtype mapping
Unify how we map the UAPI flags to the PTE hardware flags for a mapping.

Only the MTYPE is actually ASIC dependent, all other flags should be
copied over 1 to 1 and ASIC differences are handled later on.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-09-16 09:59:21 -05:00
Christian König
52791eeec1 dma-buf: rename reservation_object to dma_resv
Be more consistent with the naming of the other DMA-buf objects.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/323401/
2019-08-13 09:09:30 +02:00
Gerd Hoffmann
c105de2828 drm/amdgpu: use embedded gem object
Drop drm_gem_object from amdgpu_bo, use the
ttm_buffer_object.base instead.

Build tested only.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-6-kraxel@redhat.com
2019-08-06 08:21:54 +02:00
Christian König
2fbd6f94ac drm/amdgpu: rename amdgpu_prime.[ch] into amdgpu_dma_buf.[ch]
We are getting a dma-buf implementation completely separate from drm prime,
so rename the files now and cleanup the code a bit.

No functional change.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-05-24 12:20:48 -05:00
Felix Kuehling
1dde0ea95b drm/amdkfd: Add DMABuf import functionality
This is used for interoperability between ROCm compute and graphics
APIs. It allows importing graphics driver BOs into the ROCm SVM
address space for zero-copy GPU access.

The API is split into two steps (query and import) to allow user mode
to manage the virtual address space allocation for the imported buffer.

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-12-07 18:13:54 -05:00
Huang Rui
2cddc50e98 drm/amdgpu: move gem definitions into amdgpu_gem header
Demangle amdgpu.h.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-27 11:09:56 -05:00