[PATCH 2/7] drm/gem-shmem: Export VM ops functions
From: Daniel Almeida
Date: Tue Mar 18 2025 - 15:25:20 EST
From: Asahi Lina <lina@xxxxxxxxxxxxx>
There doesn't seem to be a way for the Rust bindings to get a
compile-time constant reference to drm_gem_shmem_vm_ops, so we need to
duplicate that structure in Rust... this isn't nice...
Signed-off-by: Asahi Lina <lina@xxxxxxxxxxxxx>
Signed-off-by: Daniel Almeida <daniel.almeida@xxxxxxxxxxxxx>
---
drivers/gpu/drm/drm_gem_shmem_helper.c | 9 ++++++---
include/drm/drm_gem_shmem_helper.h | 3 +++
2 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
index ec89e9499f5f02a2a35713669bf649dd2abb9938..be310db5863871604f3502ad1f419937d4c20a84 100644
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c
+++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -535,7 +535,7 @@ int drm_gem_shmem_dumb_create(struct drm_file *file, struct drm_device *dev,
}
EXPORT_SYMBOL_GPL(drm_gem_shmem_dumb_create);
-static vm_fault_t drm_gem_shmem_fault(struct vm_fault *vmf)
+vm_fault_t drm_gem_shmem_fault(struct vm_fault *vmf)
{
struct vm_area_struct *vma = vmf->vma;
struct drm_gem_object *obj = vma->vm_private_data;
@@ -564,8 +564,9 @@ static vm_fault_t drm_gem_shmem_fault(struct vm_fault *vmf)
return ret;
}
+EXPORT_SYMBOL_GPL(drm_gem_shmem_fault);
-static void drm_gem_shmem_vm_open(struct vm_area_struct *vma)
+void drm_gem_shmem_vm_open(struct vm_area_struct *vma)
{
struct drm_gem_object *obj = vma->vm_private_data;
struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
@@ -586,8 +587,9 @@ static void drm_gem_shmem_vm_open(struct vm_area_struct *vma)
drm_gem_vm_open(vma);
}
+EXPORT_SYMBOL_GPL(drm_gem_shmem_vm_open);
-static void drm_gem_shmem_vm_close(struct vm_area_struct *vma)
+void drm_gem_shmem_vm_close(struct vm_area_struct *vma)
{
struct drm_gem_object *obj = vma->vm_private_data;
struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
@@ -598,6 +600,7 @@ static void drm_gem_shmem_vm_close(struct vm_area_struct *vma)
drm_gem_vm_close(vma);
}
+EXPORT_SYMBOL_GPL(drm_gem_shmem_vm_close);
const struct vm_operations_struct drm_gem_shmem_vm_ops = {
.fault = drm_gem_shmem_fault,
diff --git a/include/drm/drm_gem_shmem_helper.h b/include/drm/drm_gem_shmem_helper.h
index d22e3fb53631ab655748d7f6c628ffdb402f6324..b70d3cc35bd194e7cd718bee220408b5dda568bf 100644
--- a/include/drm/drm_gem_shmem_helper.h
+++ b/include/drm/drm_gem_shmem_helper.h
@@ -132,6 +132,9 @@ void drm_gem_shmem_print_info(const struct drm_gem_shmem_object *shmem,
struct drm_printer *p, unsigned int indent);
extern const struct vm_operations_struct drm_gem_shmem_vm_ops;
+vm_fault_t drm_gem_shmem_fault(struct vm_fault *vmf);
+void drm_gem_shmem_vm_open(struct vm_area_struct *vma);
+void drm_gem_shmem_vm_close(struct vm_area_struct *vma);
/*
* GEM object functions
--
2.48.1