Add a flags field to dma_fence_init(). Adjust all affected drivers,
preserving the old behavior.
Support the SEQNO64 flag, and add a check-function so that the user only
sets valid bits.
Signed-off-by: Philipp Stanner <[email protected]>
---
drivers/accel/amdxdna/amdxdna_ctx.c | 2 +-
drivers/accel/ethosu/ethosu_job.c | 2 +-
drivers/accel/ivpu/ivpu_job.c | 2 +-
drivers/accel/rocket/rocket_job.c | 2 +-
drivers/dma-buf/dma-fence-array.c | 2 +-
drivers/dma-buf/dma-fence.c | 31 ++++++++++++++++---
drivers/dma-buf/st-dma-fence-chain.c | 2 +-
drivers/dma-buf/st-dma-fence-unwrap.c | 2 +-
drivers/dma-buf/st-dma-fence.c | 2 +-
drivers/dma-buf/st-dma-resv.c | 2 +-
drivers/dma-buf/sw_sync.c | 2 +-
.../gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 2 +-
drivers/gpu/drm/drm_crtc.c | 2 +-
drivers/gpu/drm/drm_writeback.c | 2 +-
drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 2 +-
drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c | 2 +-
drivers/gpu/drm/i915/i915_request.c | 2 +-
drivers/gpu/drm/i915/i915_sw_fence_work.c | 2 +-
drivers/gpu/drm/i915/i915_vma_resource.c | 2 +-
.../gpu/drm/i915/selftests/i915_sw_fence.c | 2 +-
drivers/gpu/drm/imagination/pvr_ccb.c | 2 +-
drivers/gpu/drm/imagination/pvr_queue.c | 2 +-
drivers/gpu/drm/lima/lima_sched.c | 2 +-
drivers/gpu/drm/msm/msm_fence.c | 2 +-
drivers/gpu/drm/nouveau/nouveau_fence.c | 4 +--
drivers/gpu/drm/panfrost/panfrost_job.c | 2 +-
drivers/gpu/drm/panthor/panthor_sched.c | 2 +-
drivers/gpu/drm/qxl/qxl_release.c | 2 +-
drivers/gpu/drm/radeon/radeon_fence.c | 2 +-
drivers/gpu/drm/scheduler/sched_fence.c | 4 +--
.../gpu/drm/scheduler/tests/mock_scheduler.c | 2 +-
drivers/gpu/drm/ttm/tests/ttm_bo_test.c | 2 +-
.../gpu/drm/ttm/tests/ttm_bo_validate_test.c | 2 +-
drivers/gpu/drm/v3d/v3d_fence.c | 2 +-
drivers/gpu/drm/vc4/vc4_gem.c | 2 +-
drivers/gpu/drm/vgem/vgem_fence.c | 2 +-
drivers/gpu/drm/virtio/virtgpu_fence.c | 2 +-
drivers/gpu/drm/vmwgfx/vmwgfx_fence.c | 2 +-
drivers/gpu/drm/xe/xe_hw_fence.c | 2 +-
drivers/gpu/drm/xe/xe_oa.c | 2 +-
drivers/gpu/drm/xe/xe_preempt_fence.c | 2 +-
drivers/gpu/drm/xe/xe_tlb_inval.c | 2 +-
drivers/gpu/host1x/fence.c | 2 +-
drivers/iio/industrialio-buffer.c | 2 +-
drivers/usb/gadget/function/f_fs.c | 2 +-
include/linux/dma-fence.h | 12 +++++--
rust/kernel/dma_buf/dma_fence.rs | 2 +-
48 files changed, 83 insertions(+), 56 deletions(-)
diff --git a/drivers/accel/amdxdna/amdxdna_ctx.c
b/drivers/accel/amdxdna/amdxdna_ctx.c
index f4004630dc1b..f2245541f1ee 100644
--- a/drivers/accel/amdxdna/amdxdna_ctx.c
+++ b/drivers/accel/amdxdna/amdxdna_ctx.c
@@ -53,7 +53,7 @@ static struct dma_fence *amdxdna_fence_create(struct
amdxdna_hwctx *hwctx)
spin_lock_init(&fence->lock);
/* Unique timeline context prevents eviction from shared BO
reservation. */
- dma_fence_init(&fence->base, &fence_ops, &fence->lock,
dma_fence_context_alloc(1), 0);
+ dma_fence_init(&fence->base, &fence_ops, &fence->lock,
dma_fence_context_alloc(1), 0, 0);
return &fence->base;
}
diff --git a/drivers/accel/ethosu/ethosu_job.c b/drivers/accel/ethosu/ethosu_job.c
index d656b3ec670e..d4fc71436cae 100644
--- a/drivers/accel/ethosu/ethosu_job.c
+++ b/drivers/accel/ethosu/ethosu_job.c
@@ -219,7 +219,7 @@ static struct dma_fence *ethosu_job_run(struct
drm_sched_job *sched_job)
return NULL;
dma_fence_init(fence, ðosu_fence_ops, &dev->fence_lock,
- dev->fence_context, ++dev->emit_seqno);
+ dev->fence_context, ++dev->emit_seqno, 0);
dma_fence_get(fence);
ethosu_switch_perfmon(dev, job);
diff --git a/drivers/accel/ivpu/ivpu_job.c b/drivers/accel/ivpu/ivpu_job.c
index 76bacabe496b..6b4f059fb209 100644
--- a/drivers/accel/ivpu/ivpu_job.c
+++ b/drivers/accel/ivpu/ivpu_job.c
@@ -519,7 +519,7 @@ static struct dma_fence *ivpu_fence_create(struct
ivpu_device *vdev)
fence->vdev = vdev;
spin_lock_init(&fence->lock);
- dma_fence_init(&fence->base, &ivpu_fence_ops, &fence->lock,
dma_fence_context_alloc(1), 1);
+ dma_fence_init(&fence->base, &ivpu_fence_ops, &fence->lock,
dma_fence_context_alloc(1), 1, 0);
return &fence->base;
}
diff --git a/drivers/accel/rocket/rocket_job.c
b/drivers/accel/rocket/rocket_job.c
index b2a00992c889..574c9ea802c9 100644
--- a/drivers/accel/rocket/rocket_job.c
+++ b/drivers/accel/rocket/rocket_job.c
@@ -61,7 +61,7 @@ static struct dma_fence *rocket_fence_create(struct
rocket_core *core)
return ERR_PTR(-ENOMEM);
dma_fence_init(fence, &rocket_fence_ops, &core->fence_lock,
- core->fence_context, ++core->emit_seqno);
+ core->fence_context, ++core->emit_seqno, 0);
return fence;
}
diff --git a/drivers/dma-buf/dma-fence-array.c
b/drivers/dma-buf/dma-fence-array.c
index 5e10e8df372f..e2dddbfddea2 100644
--- a/drivers/dma-buf/dma-fence-array.c
+++ b/drivers/dma-buf/dma-fence-array.c
@@ -205,7 +205,7 @@ void dma_fence_array_init(struct dma_fence_array *array,
array->num_fences = num_fences;
dma_fence_init(&array->base, &dma_fence_array_ops, NULL, context,
- seqno);
+ seqno, 0);
init_irq_work(&array->work, irq_dma_fence_array_work);
/*
diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c
index bd58688b81a7..a511cf755ee8 100644
--- a/drivers/dma-buf/dma-fence.c
+++ b/drivers/dma-buf/dma-fence.c
@@ -122,7 +122,7 @@ static const struct dma_fence_ops dma_fence_stub_ops = {
static int __init dma_fence_init_stub(void)
{
- dma_fence_init(&dma_fence_stub, &dma_fence_stub_ops, NULL, 0, 0);
+ dma_fence_init(&dma_fence_stub, &dma_fence_stub_ops, NULL, 0, 0, 0);
set_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT,
&dma_fence_stub.flags);
dma_fence_signal(&dma_fence_stub);
@@ -156,7 +156,7 @@ struct dma_fence *dma_fence_allocate_private_stub(ktime_t
timestamp)
if (fence == NULL)
return NULL;
- dma_fence_init(fence, &dma_fence_stub_ops, NULL, 0, 0);
+ dma_fence_init(fence, &dma_fence_stub_ops, NULL, 0, 0, 0);
set_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT,
&fence->flags);
@@ -1063,7 +1063,6 @@ __dma_fence_init(struct dma_fence *fence, const struct dma_fence_ops *ops,
spinlock_t *lock, u64 context, u64 seqno, unsigned long flags)
{
BUG_ON(!ops || !ops->get_driver_name || !ops->get_timeline_name);
-
kref_init(&fence->refcount);
/*
* While it is counter intuitive to protect a constant function pointer
@@ -1087,6 +1086,21 @@ __dma_fence_init(struct dma_fence *fence, const struct
dma_fence_ops *ops,
trace_dma_fence_init(fence);
}
+static bool dma_fence_flags_invalid(unsigned long flags)
+{
+ const unsigned long valid_fence_bits =
+ BIT(DMA_FENCE_FLAG_SEQNO64_BIT);
+ const unsigned long valid_user_bits =
+ GENMASK(
+ BITS_PER_TYPE(unsigned long) - 1,
+ DMA_FENCE_FLAG_USER_BITS
+ );
+ const unsigned long invalid_bits =
+ ~(valid_fence_bits | valid_user_bits);
+
+ return flags & invalid_bits;
+}
+
/**
* dma_fence_init - Initialize a custom fence.
* @fence: the fence to initialize
@@ -1094,6 +1108,7 @@ __dma_fence_init(struct dma_fence *fence, const struct
dma_fence_ops *ops,
* @lock: optional irqsafe spinlock to use for locking this fence
* @context: the execution context this fence is run on
* @seqno: a linear increasing sequence number for this context
+ * @flags: flags modifying a fence's behavior
*
* Initializes an allocated fence, the caller doesn't have to keep its
* refcount after committing with this fence, but it will need to hold a
@@ -1108,12 +1123,18 @@ __dma_fence_init(struct dma_fence *fence, const struct
dma_fence_ops *ops,
* introduction of the callback, but the external lock is still around. New
* users MUST NOT use external locks, as they force the issuer to outlive all
* fences that reference the lock.
+ *
+ * The @flags you can specify here are either DMA_FENCE_FLAG_SEQNO64_BIT or
+ * user-specified bits >= DMA_FENCE_FLAG_USER_BITS.
*/
void
dma_fence_init(struct dma_fence *fence, const struct dma_fence_ops *ops,
- spinlock_t *lock, u64 context, u64 seqno)
+ spinlock_t *lock, u64 context, u64 seqno,
+ unsigned long flags)
{
- __dma_fence_init(fence, ops, lock, context, seqno, 0UL);
+ WARN_ON(dma_fence_flags_invalid(flags));
+
+ __dma_fence_init(fence, ops, lock, context, seqno, flags);
}
EXPORT_SYMBOL(dma_fence_init);
diff --git a/drivers/dma-buf/st-dma-fence-chain.c b/drivers/dma-buf/st-dma-fence-chain.c
index e0d9b69bfa76..b9610df3ff19 100644
--- a/drivers/dma-buf/st-dma-fence-chain.c
+++ b/drivers/dma-buf/st-dma-fence-chain.c
@@ -52,7 +52,7 @@ static struct dma_fence *mock_fence(void)
return NULL;
spin_lock_init(&f->lock);
- dma_fence_init(&f->base, &mock_ops, &f->lock, 0, 0);
+ dma_fence_init(&f->base, &mock_ops, &f->lock, 0, 0, 0);
return &f->base;
}
diff --git a/drivers/dma-buf/st-dma-fence-unwrap.c
b/drivers/dma-buf/st-dma-fence-unwrap.c
index c5353b36f0e4..dbebc3046d42 100644
--- a/drivers/dma-buf/st-dma-fence-unwrap.c
+++ b/drivers/dma-buf/st-dma-fence-unwrap.c
@@ -36,7 +36,7 @@ static struct dma_fence *__mock_fence(u64 context, u64 seqno)
return NULL;
spin_lock_init(&f->lock);
- dma_fence_init(&f->base, &mock_ops, &f->lock, context, seqno);
+ dma_fence_init(&f->base, &mock_ops, &f->lock, context, seqno, 0);
return &f->base;
}
diff --git a/drivers/dma-buf/st-dma-fence.c b/drivers/dma-buf/st-dma-fence.c
index cb62e606d0a2..b3f88e89cc44 100644
--- a/drivers/dma-buf/st-dma-fence.c
+++ b/drivers/dma-buf/st-dma-fence.c
@@ -31,7 +31,7 @@ static struct dma_fence *mock_fence(void)
if (!f)
return NULL;
- dma_fence_init(f, &mock_ops, NULL, 0, 0);
+ dma_fence_init(f, &mock_ops, NULL, 0, 0, 0);
return f;
}
diff --git a/drivers/dma-buf/st-dma-resv.c b/drivers/dma-buf/st-dma-resv.c
index 0b96136bbd54..c3a920ab3fcf 100644
--- a/drivers/dma-buf/st-dma-resv.c
+++ b/drivers/dma-buf/st-dma-resv.c
@@ -35,7 +35,7 @@ static struct dma_fence *alloc_fence(void)
if (!f)
return NULL;
- dma_fence_init(f, &fence_ops, &fence_lock, 0, 0);
+ dma_fence_init(f, &fence_ops, &fence_lock, 0, 0, 0);
return f;
}
diff --git a/drivers/dma-buf/sw_sync.c b/drivers/dma-buf/sw_sync.c
index 8df20b0218a9..ce43af7e735e 100644
--- a/drivers/dma-buf/sw_sync.c
+++ b/drivers/dma-buf/sw_sync.c
@@ -258,7 +258,7 @@ static struct sync_pt *sync_pt_create(struct sync_timeline
*obj,
sync_timeline_get(obj);
dma_fence_init(&pt->base, &timeline_fence_ops, &obj->lock,
- obj->context, value);
+ obj->context, value, 0);
INIT_LIST_HEAD(&pt->link);
spin_lock_irq(&obj->lock);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c
index 9b10d015671c..30ccdb3e0b47 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c
@@ -77,7 +77,7 @@ struct amdgpu_amdkfd_fence *amdgpu_amdkfd_fence_create(u64
context,
spin_lock_init(&fence->lock);
fence->context_id = context_id;
dma_fence_init(&fence->base, &amdkfd_fence_ops, &fence->lock,
- context, atomic_inc_return(&fence_seq));
+ context, atomic_inc_return(&fence_seq), 0);
return fence;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index bff2d38f3571..03e1974f8dda 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -112,7 +112,7 @@ void amdgpu_fence_emit(struct amdgpu_ring *ring, struct
amdgpu_fence *af,
seq = ++ring->fence_drv.sync_seq;
dma_fence_init(fence, &amdgpu_fence_ops,
&ring->fence_drv.lock,
- adev->fence_context + ring->idx, seq);
+ adev->fence_context + ring->idx, seq, 0);
amdgpu_ring_emit_fence(ring, ring->fence_drv.gpu_addr,
seq, flags | AMDGPU_FENCE_FLAG_INT);
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 63ead8ba6756..92641bc0a378 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -190,7 +190,7 @@ struct dma_fence *drm_crtc_create_fence(struct drm_crtc
*crtc)
return NULL;
dma_fence_init(fence, &drm_crtc_fence_ops, &crtc->fence_lock,
- crtc->fence_context, ++crtc->fence_seqno);
+ crtc->fence_context, ++crtc->fence_seqno, 0);
return fence;
}
diff --git a/drivers/gpu/drm/drm_writeback.c b/drivers/gpu/drm/drm_writeback.c
index b4a002e6d043..64b06b890f19 100644
--- a/drivers/gpu/drm/drm_writeback.c
+++ b/drivers/gpu/drm/drm_writeback.c
@@ -592,7 +592,7 @@ drm_writeback_get_out_fence(struct drm_writeback_connector
*wb_connector)
dma_fence_init(fence, &drm_writeback_fence_ops,
&wb_connector->fence_lock, wb_connector->fence_context,
- ++wb_connector->fence_seqno);
+ ++wb_connector->fence_seqno, 0);
return fence;
}
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index e75dab5e407d..a10e4e4cf372 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -1199,7 +1199,7 @@ static struct dma_fence *etnaviv_gpu_fence_alloc(struct
etnaviv_gpu *gpu)
f->gpu = gpu;
dma_fence_init(&f->base, &etnaviv_fence_ops, &gpu->fence_spinlock,
- gpu->fence_context, ++gpu->next_fence);
+ gpu->fence_context, ++gpu->next_fence, 0);
return &f->base;
}
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c
b/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c
index 56489cc127d6..ffaa70191f27 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c
@@ -437,7 +437,7 @@ i915_ttm_memcpy_work_arm(struct i915_ttm_memcpy_work *work,
int ret;
spin_lock_init(&work->lock);
- dma_fence_init(&work->fence, &dma_fence_memcpy_ops, &work->lock, 0, 0);
+ dma_fence_init(&work->fence, &dma_fence_memcpy_ops, &work->lock, 0, 0,
0);
dma_fence_get(&work->fence);
ret = dma_fence_add_callback(dep, &work->cb, __memcpy_cb);
if (ret) {
diff --git a/drivers/gpu/drm/i915/i915_request.c
b/drivers/gpu/drm/i915/i915_request.c
index f66f8efc7062..0f4fc9cc0033 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -953,7 +953,7 @@ __i915_request_create(struct intel_context *ce, gfp_t gfp)
goto err_free;
dma_fence_init(&rq->fence, &i915_fence_ops, &rq->lock,
- tl->fence_context, seqno);
+ tl->fence_context, seqno, 0);
RCU_INIT_POINTER(rq->timeline, tl);
rq->hwsp_seqno = tl->hwsp_seqno;
diff --git a/drivers/gpu/drm/i915/i915_sw_fence_work.c
b/drivers/gpu/drm/i915/i915_sw_fence_work.c
index 366418108f78..4cd44dd26e35 100644
--- a/drivers/gpu/drm/i915/i915_sw_fence_work.c
+++ b/drivers/gpu/drm/i915/i915_sw_fence_work.c
@@ -85,7 +85,7 @@ void dma_fence_work_init(struct dma_fence_work *f,
{
f->ops = ops;
spin_lock_init(&f->lock);
- dma_fence_init(&f->dma, &fence_ops, &f->lock, 0, 0);
+ dma_fence_init(&f->dma, &fence_ops, &f->lock, 0, 0, 0);
i915_sw_fence_init(&f->chain, fence_notify);
INIT_WORK(&f->work, fence_work);
}
diff --git a/drivers/gpu/drm/i915/i915_vma_resource.c
b/drivers/gpu/drm/i915/i915_vma_resource.c
index a8f2112ce81f..19596410e32f 100644
--- a/drivers/gpu/drm/i915/i915_vma_resource.c
+++ b/drivers/gpu/drm/i915/i915_vma_resource.c
@@ -263,7 +263,7 @@ void __i915_vma_resource_init(struct i915_vma_resource
*vma_res)
{
spin_lock_init(&vma_res->lock);
dma_fence_init(&vma_res->unbind_fence, &unbind_fence_ops,
- &vma_res->lock, 0, 0);
+ &vma_res->lock, 0, 0, 0);
refcount_set(&vma_res->hold_count, 1);
i915_sw_fence_init(&vma_res->chain, i915_vma_resource_fence_notify);
}
diff --git a/drivers/gpu/drm/i915/selftests/i915_sw_fence.c
b/drivers/gpu/drm/i915/selftests/i915_sw_fence.c
index ecb2d718f6a6..d8d4f7057031 100644
--- a/drivers/gpu/drm/i915/selftests/i915_sw_fence.c
+++ b/drivers/gpu/drm/i915/selftests/i915_sw_fence.c
@@ -641,7 +641,7 @@ static struct dma_fence *alloc_dma_fence(void)
dma = kmalloc_obj(*dma);
if (dma)
- dma_fence_init(dma, &mock_fence_ops, &mock_fence_lock, 0, 0);
+ dma_fence_init(dma, &mock_fence_ops, &mock_fence_lock, 0, 0, 0);
return dma;
}
diff --git a/drivers/gpu/drm/imagination/pvr_ccb.c
b/drivers/gpu/drm/imagination/pvr_ccb.c
index e408df74853d..7043b491fe54 100644
--- a/drivers/gpu/drm/imagination/pvr_ccb.c
+++ b/drivers/gpu/drm/imagination/pvr_ccb.c
@@ -645,7 +645,7 @@ pvr_kccb_reserve_slot(struct pvr_device *pvr_dev, struct
dma_fence *f)
dma_fence_init(&fence->base, &pvr_kccb_fence_ops,
&pvr_dev->kccb.fence_ctx.lock,
pvr_dev->kccb.fence_ctx.id,
-
atomic_inc_return(&pvr_dev->kccb.fence_ctx.seqno));
+
atomic_inc_return(&pvr_dev->kccb.fence_ctx.seqno), 0);
out_fence = dma_fence_get(&fence->base);
list_add_tail(&fence->node, &pvr_dev->kccb.waiters);
} else {
diff --git a/drivers/gpu/drm/imagination/pvr_queue.c
b/drivers/gpu/drm/imagination/pvr_queue.c
index 24a8645aa913..34b826381aa2 100644
--- a/drivers/gpu/drm/imagination/pvr_queue.c
+++ b/drivers/gpu/drm/imagination/pvr_queue.c
@@ -305,7 +305,7 @@ pvr_queue_fence_init(struct dma_fence *f,
INIT_WORK(&fence->release_work, pvr_queue_fence_release_work);
dma_fence_init(&fence->base, fence_ops,
&fence_ctx->lock, fence_ctx->id,
- atomic_inc_return(&fence_ctx->seqno));
+ atomic_inc_return(&fence_ctx->seqno), 0);
}
/**
diff --git a/drivers/gpu/drm/lima/lima_sched.c
b/drivers/gpu/drm/lima/lima_sched.c
index 9a1e6b9ecbe5..fee595b9629a 100644
--- a/drivers/gpu/drm/lima/lima_sched.c
+++ b/drivers/gpu/drm/lima/lima_sched.c
@@ -97,7 +97,7 @@ static struct lima_fence *lima_fence_create(struct
lima_sched_pipe *pipe)
fence->pipe = pipe;
dma_fence_init(&fence->base, &lima_fence_ops, &pipe->fence_lock,
- pipe->fence_context, ++pipe->fence_seqno);
+ pipe->fence_context, ++pipe->fence_seqno, 0);
return fence;
}
diff --git a/drivers/gpu/drm/msm/msm_fence.c b/drivers/gpu/drm/msm/msm_fence.c
index 3dca8e09c192..1ec59919c32e 100644
--- a/drivers/gpu/drm/msm/msm_fence.c
+++ b/drivers/gpu/drm/msm/msm_fence.c
@@ -197,5 +197,5 @@ msm_fence_init(struct dma_fence *fence, struct
msm_fence_context *fctx)
WARN_ON(kref_read(&fence->refcount));
dma_fence_init(&f->base, &msm_fence_ops, &fctx->spinlock,
- fctx->context, ++fctx->last_fence);
+ fctx->context, ++fctx->last_fence, 0);
}
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c
b/drivers/gpu/drm/nouveau/nouveau_fence.c
index 11e95c37ce50..97e20954c71b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fence.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fence.c
@@ -216,10 +216,10 @@ nouveau_fence_emit(struct nouveau_fence *fence)
if (priv->uevent)
dma_fence_init(&fence->base, &nouveau_fence_ops_uevent,
- &fctx->lock, fctx->context, ++fctx->sequence);
+ &fctx->lock, fctx->context, ++fctx->sequence, 0);
else
dma_fence_init(&fence->base, &nouveau_fence_ops_legacy,
- &fctx->lock, fctx->context, ++fctx->sequence);
+ &fctx->lock, fctx->context, ++fctx->sequence, 0);
kref_get(&fctx->fence_ref);
ret = fctx->emit(fence);
diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c
b/drivers/gpu/drm/panfrost/panfrost_job.c
index 4ddf4b722ddf..de242d275978 100644
--- a/drivers/gpu/drm/panfrost/panfrost_job.c
+++ b/drivers/gpu/drm/panfrost/panfrost_job.c
@@ -105,7 +105,7 @@ static struct dma_fence *panfrost_fence_create(struct
panfrost_device *pfdev, in
fence->queue = js_num;
fence->seqno = ++js->queue[js_num].emit_seqno;
dma_fence_init(&fence->base, &panfrost_fence_ops, &js->job_lock,
- js->queue[js_num].fence_context, fence->seqno);
+ js->queue[js_num].fence_context, fence->seqno, 0);
return &fence->base;
}
diff --git a/drivers/gpu/drm/panthor/panthor_sched.c
b/drivers/gpu/drm/panthor/panthor_sched.c
index a343c5180e01..c46f69ade7a0 100644
--- a/drivers/gpu/drm/panthor/panthor_sched.c
+++ b/drivers/gpu/drm/panthor/panthor_sched.c
@@ -3322,7 +3322,7 @@ queue_run_job(struct drm_sched_job *sched_job)
&panthor_queue_fence_ops,
&queue->fence_ctx.lock,
queue->fence_ctx.id,
- atomic64_inc_return(&queue->fence_ctx.seqno));
+ atomic64_inc_return(&queue->fence_ctx.seqno), 0);
job->profiling.slot = queue->profiling.seqno++;
if (queue->profiling.seqno == queue->profiling.slot_count)
diff --git a/drivers/gpu/drm/qxl/qxl_release.c
b/drivers/gpu/drm/qxl/qxl_release.c
index 06979d0e8a9f..2608d82f7370 100644
--- a/drivers/gpu/drm/qxl/qxl_release.c
+++ b/drivers/gpu/drm/qxl/qxl_release.c
@@ -430,7 +430,7 @@ void qxl_release_fence_buffer_objects(struct qxl_release
*release)
* set the highest bits. This will break if we really allow exporting
of dma-bufs.
*/
dma_fence_init(&release->base, &qxl_fence_ops, &qdev->release_lock,
- release->id | 0xf0000000, release->base.seqno);
+ release->id | 0xf0000000, release->base.seqno, 0);
trace_dma_fence_emit(&release->base);
list_for_each_entry(entry, &release->bos, list) {
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c
b/drivers/gpu/drm/radeon/radeon_fence.c
index 8e9402b8811b..1360b5215f5e 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -148,7 +148,7 @@ int radeon_fence_emit(struct radeon_device *rdev,
dma_fence_init(&(*fence)->base, &radeon_fence_ops,
&rdev->fence_queue.lock,
rdev->fence_context + ring,
- seq);
+ seq, 0);
radeon_fence_ring_emit(rdev, ring, *fence);
trace_radeon_fence_emit(rdev_to_drm(rdev), ring, (*fence)->seq);
radeon_fence_schedule_check(rdev, ring);
diff --git a/drivers/gpu/drm/scheduler/sched_fence.c
b/drivers/gpu/drm/scheduler/sched_fence.c
index b7a4cb921234..94ba0cf4fe02 100644
--- a/drivers/gpu/drm/scheduler/sched_fence.c
+++ b/drivers/gpu/drm/scheduler/sched_fence.c
@@ -229,9 +229,9 @@ void drm_sched_fence_init(struct drm_sched_fence *fence,
fence->sched = entity->rq->sched;
seq = atomic_inc_return(&entity->fence_seq);
dma_fence_init(&fence->scheduled, &drm_sched_fence_ops_scheduled,
- &fence->lock, entity->fence_context, seq);
+ &fence->lock, entity->fence_context, seq, 0);
dma_fence_init(&fence->finished, &drm_sched_fence_ops_finished,
- &fence->lock, entity->fence_context + 1, seq);
+ &fence->lock, entity->fence_context + 1, seq, 0);
}
module_init(drm_sched_fence_slab_init);
diff --git a/drivers/gpu/drm/scheduler/tests/mock_scheduler.c
b/drivers/gpu/drm/scheduler/tests/mock_scheduler.c
index 2dfa3efef210..169792a4b329 100644
--- a/drivers/gpu/drm/scheduler/tests/mock_scheduler.c
+++ b/drivers/gpu/drm/scheduler/tests/mock_scheduler.c
@@ -173,7 +173,7 @@ static struct dma_fence *mock_sched_run_job(struct
drm_sched_job *sched_job)
&drm_mock_sched_hw_fence_ops,
&sched->lock,
sched->hw_timeline.context,
- atomic_inc_return(&sched->hw_timeline.next_seqno));
+ atomic_inc_return(&sched->hw_timeline.next_seqno), 0);
dma_fence_get(&job->hw_fence); /* Reference for the job_list */
diff --git a/drivers/gpu/drm/ttm/tests/ttm_bo_test.c b/drivers/gpu/drm/ttm/tests/ttm_bo_test.c
index f3103307b5df..633cc7458505 100644
--- a/drivers/gpu/drm/ttm/tests/ttm_bo_test.c
+++ b/drivers/gpu/drm/ttm/tests/ttm_bo_test.c
@@ -450,7 +450,7 @@ static void ttm_bo_fini_shared_resv(struct kunit *test)
KUNIT_ASSERT_NOT_NULL(test, fence);
spin_lock_init(&fence_lock);
- dma_fence_init(fence, &mock_fence_ops, &fence_lock, 0, 0);
+ dma_fence_init(fence, &mock_fence_ops, &fence_lock, 0, 0, 0);
dma_resv_lock(external_resv, NULL);
dma_resv_reserve_fences(external_resv, 1);
diff --git a/drivers/gpu/drm/ttm/tests/ttm_bo_validate_test.c
b/drivers/gpu/drm/ttm/tests/ttm_bo_validate_test.c
index 56ad8ef32584..e22a1335f166 100644
--- a/drivers/gpu/drm/ttm/tests/ttm_bo_validate_test.c
+++ b/drivers/gpu/drm/ttm/tests/ttm_bo_validate_test.c
@@ -57,7 +57,7 @@ static struct dma_fence *alloc_mock_fence(struct kunit *test)
fence = kunit_kzalloc(test, sizeof(*fence), GFP_KERNEL);
KUNIT_ASSERT_NOT_NULL(test, fence);
- dma_fence_init(fence, &fence_ops, &fence_lock, 0, 0);
+ dma_fence_init(fence, &fence_ops, &fence_lock, 0, 0, 0);
return fence;
}
diff --git a/drivers/gpu/drm/v3d/v3d_fence.c b/drivers/gpu/drm/v3d/v3d_fence.c
index c500136d0455..1fdba5a21580 100644
--- a/drivers/gpu/drm/v3d/v3d_fence.c
+++ b/drivers/gpu/drm/v3d/v3d_fence.c
@@ -16,7 +16,7 @@ struct dma_fence *v3d_fence_create(struct v3d_dev *v3d, enum
v3d_queue q)
fence->queue = q;
fence->seqno = ++queue->emit_seqno;
dma_fence_init(&fence->base, &v3d_fence_ops, &queue->queue_lock,
- queue->fence_context, fence->seqno);
+ queue->fence_context, fence->seqno, 0);
return &fence->base;
}
diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c
index ff611c618d6b..420988d516c1 100644
--- a/drivers/gpu/drm/vc4/vc4_gem.c
+++ b/drivers/gpu/drm/vc4/vc4_gem.c
@@ -648,7 +648,7 @@ vc4_queue_submit(struct drm_device *dev, struct
vc4_exec_info *exec,
exec->seqno = seqno;
dma_fence_init(&fence->base, &vc4_fence_ops, &vc4->job_lock,
- vc4->dma_fence_context, exec->seqno);
+ vc4->dma_fence_context, exec->seqno, 0);
fence->seqno = exec->seqno;
exec->fence = &fence->base;
diff --git a/drivers/gpu/drm/vgem/vgem_fence.c b/drivers/gpu/drm/vgem/vgem_fence.c
index 0e53ba7db629..18700e5f9167 100644
--- a/drivers/gpu/drm/vgem/vgem_fence.c
+++ b/drivers/gpu/drm/vgem/vgem_fence.c
@@ -77,7 +77,7 @@ static struct dma_fence *vgem_fence_create(struct vgem_file
*vfile,
spin_lock_init(&fence->lock);
dma_fence_init(&fence->base, &vgem_fence_ops, &fence->lock,
- dma_fence_context_alloc(1), 1);
+ dma_fence_context_alloc(1), 1, 0);
timer_setup(&fence->timer, vgem_fence_timeout, TIMER_IRQSAFE);
diff --git a/drivers/gpu/drm/virtio/virtgpu_fence.c b/drivers/gpu/drm/virtio/virtgpu_fence.c
index c3e66ef2133a..8e469391d2e4 100644
--- a/drivers/gpu/drm/virtio/virtgpu_fence.c
+++ b/drivers/gpu/drm/virtio/virtgpu_fence.c
@@ -76,7 +76,7 @@ struct virtio_gpu_fence *virtio_gpu_fence_alloc(struct
virtio_gpu_device *vgdev,
*/
dma_fence_init(&fence->f, &virtio_gpu_fence_ops, &drv->lock,
- fence_context, 0);
+ fence_context, 0, 0);
return fence;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
index 384c6736cf6b..15f355dc6881 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
@@ -163,7 +163,7 @@ static int vmw_fence_obj_init(struct vmw_fence_manager
*fman,
int ret = 0;
dma_fence_init(&fence->base, &vmw_fence_ops, &fman->lock,
- fman->ctx, seqno);
+ fman->ctx, seqno, 0);
fence->destroy = destroy;
spin_lock(&fman->lock);
diff --git a/drivers/gpu/drm/xe/xe_hw_fence.c b/drivers/gpu/drm/xe/xe_hw_fence.c
index 14720623ad00..30bfc42972e0 100644
--- a/drivers/gpu/drm/xe/xe_hw_fence.c
+++ b/drivers/gpu/drm/xe/xe_hw_fence.c
@@ -243,7 +243,7 @@ void xe_hw_fence_init(struct dma_fence *fence, struct
xe_hw_fence_ctx *ctx,
INIT_LIST_HEAD(&hw_fence->irq_link);
dma_fence_init(fence, &xe_hw_fence_ops, &ctx->irq->lock,
- ctx->dma_fence_ctx, ctx->next_seqno++);
+ ctx->dma_fence_ctx, ctx->next_seqno++, 0);
trace_xe_hw_fence_create(hw_fence);
}
diff --git a/drivers/gpu/drm/xe/xe_oa.c b/drivers/gpu/drm/xe/xe_oa.c
index c9320feeafba..912840eeec50 100644
--- a/drivers/gpu/drm/xe/xe_oa.c
+++ b/drivers/gpu/drm/xe/xe_oa.c
@@ -1053,7 +1053,7 @@ static int xe_oa_emit_oa_config(struct xe_oa_stream
*stream, struct xe_oa_config
/* Point of no return: initialize and set fence to signal */
spin_lock_init(&ofence->lock);
- dma_fence_init(&ofence->base, &xe_oa_fence_ops, &ofence->lock, 0, 0);
+ dma_fence_init(&ofence->base, &xe_oa_fence_ops, &ofence->lock, 0, 0, 0);
for (i = 0; i < stream->num_syncs; i++) {
if (stream->syncs[i].flags & DRM_XE_SYNC_FLAG_SIGNAL)
diff --git a/drivers/gpu/drm/xe/xe_preempt_fence.c
b/drivers/gpu/drm/xe/xe_preempt_fence.c
index 4aa570fe745d..343f1ba1e1cd 100644
--- a/drivers/gpu/drm/xe/xe_preempt_fence.c
+++ b/drivers/gpu/drm/xe/xe_preempt_fence.c
@@ -154,7 +154,7 @@ xe_preempt_fence_arm(struct xe_preempt_fence *pfence,
struct xe_exec_queue *q,
pfence->q = xe_exec_queue_get(q);
spin_lock_init(&pfence->lock);
dma_fence_init(&pfence->base, &preempt_fence_ops,
- &pfence->lock, context, seqno);
+ &pfence->lock, context, seqno, 0);
return &pfence->base;
}
diff --git a/drivers/gpu/drm/xe/xe_tlb_inval.c
b/drivers/gpu/drm/xe/xe_tlb_inval.c
index c9cc5842d65b..1fd39434dc0e 100644
--- a/drivers/gpu/drm/xe/xe_tlb_inval.c
+++ b/drivers/gpu/drm/xe/xe_tlb_inval.c
@@ -544,7 +544,7 @@ void xe_tlb_inval_fence_init(struct xe_tlb_inval *tlb_inval,
spin_lock_irq(&tlb_inval->lock);
dma_fence_init(&fence->base, &inval_fence_ops, &tlb_inval->lock,
- dma_fence_context_alloc(1), 1);
+ dma_fence_context_alloc(1), 1, 0);
spin_unlock_irq(&tlb_inval->lock);
INIT_LIST_HEAD(&fence->link);
if (stack)
diff --git a/drivers/gpu/host1x/fence.c b/drivers/gpu/host1x/fence.c
index 1acf579c562b..7e074e72a055 100644
--- a/drivers/gpu/host1x/fence.c
+++ b/drivers/gpu/host1x/fence.c
@@ -136,7 +136,7 @@ struct dma_fence *host1x_fence_create(struct host1x_syncpt
*sp, u32 threshold,
fence->timeout = timeout;
dma_fence_init(&fence->base, &host1x_syncpt_fence_ops, &sp->fences.lock,
- dma_fence_context_alloc(1), 0);
+ dma_fence_context_alloc(1), 0, 0);
INIT_DELAYED_WORK(&fence->timeout_work, do_fence_timeout);
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index 4294101810fd..f7d6b294b63c 100644
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -1904,7 +1904,7 @@ static int iio_buffer_enqueue_dmabuf(struct
iio_dev_buffer_pair *ib,
* the dma_fence.
*/
dma_fence_init(&fence->base, &iio_buffer_dma_fence_ops,
- &fence->lock, priv->context, seqno);
+ &fence->lock, priv->context, seqno, 0);
ret = iio_dma_resv_lock(dmabuf, nonblock);
if (ret)
diff --git a/drivers/usb/gadget/function/f_fs.c
b/drivers/usb/gadget/function/f_fs.c
index c64a268e98a4..eb367a1666c2 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -1733,7 +1733,7 @@ static int ffs_dmabuf_transfer(struct file *file,
seqno = atomic_add_return(1, &epfile->seqno);
dma_fence_init(&fence->base, &ffs_dmabuf_fence_ops,
- &priv->lock, priv->context, seqno);
+ &priv->lock, priv->context, seqno, 0);
resv_dir = epfile->in ? DMA_RESV_USAGE_READ : DMA_RESV_USAGE_WRITE;
diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h
index dd07d128adc3..6f5c245d89ec 100644
--- a/include/linux/dma-fence.h
+++ b/include/linux/dma-fence.h
@@ -103,6 +103,12 @@ struct dma_fence {
int error;
};
+/** enum dma_fence_flag_bits - internal dma_fence flags
+ *
+ * These flags are all only for internal usage, except for
+ * @DMA_FENCE_FLAG_SEQNO64_BIT and the user bits beginning at
+ * @DMA_FENCE_FLAG_USER_BITS.
+ */
enum dma_fence_flag_bits {
DMA_FENCE_FLAG_INITIALIZED_BIT,
DMA_FENCE_FLAG_INLINE_LOCK_BIT,
@@ -110,6 +116,7 @@ enum dma_fence_flag_bits {
DMA_FENCE_FLAG_SIGNALED_BIT,
DMA_FENCE_FLAG_TIMESTAMP_BIT,
DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT,
+
DMA_FENCE_FLAG_USER_BITS, /* must always be last member */
};
@@ -279,11 +286,10 @@ struct dma_fence_ops {
};
void dma_fence_init(struct dma_fence *fence, const struct dma_fence_ops *ops,
- spinlock_t *lock, u64 context, u64 seqno);
-
+ spinlock_t *lock, u64 context, u64 seqno,
+ unsigned long flags);
void dma_fence_init64(struct dma_fence *fence, const struct dma_fence_ops
*ops,
spinlock_t *lock, u64 context, u64 seqno);
-
void dma_fence_release(struct kref *kref);
void dma_fence_free(struct dma_fence *fence);
void dma_fence_describe(struct dma_fence *fence, struct seq_file *seq);
diff --git a/rust/kernel/dma_buf/dma_fence.rs b/rust/kernel/dma_buf/dma_fence.rs
index 18a43e1bb442..ee8fa4ecd6c1 100644
--- a/rust/kernel/dma_buf/dma_fence.rs
+++ b/rust/kernel/dma_buf/dma_fence.rs
@@ -736,7 +736,7 @@ pub fn new_fence(self) -> DriverFence<'a, T> {
// SAFETY: `fence_ptr` has been created directly above. It will live
// at least as long as `Self`. The same applies to `&Self::OPS`.
unsafe {
- bindings::dma_fence_init(fence_ptr, self.ops, null_ptr,
self.data.fctx.nr, seqno)
+ bindings::dma_fence_init(fence_ptr, self.ops, null_ptr,
self.data.fctx.nr, seqno, 0)
};
self.data.fctx.nr_of_unsignaled_fences.fetch_add(1, Relaxed);
