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path: root/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c')
-rw-r--r--drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c88
1 files changed, 63 insertions, 25 deletions
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
index 6ce9167f8c9f..591435c5f368 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
@@ -565,16 +565,16 @@ static bool assert_mmap_offset(struct drm_i915_private *i915,
int expected)
{
struct drm_i915_gem_object *obj;
- int err;
+ struct i915_mmap_offset *mmo;
obj = i915_gem_object_create_internal(i915, size);
if (IS_ERR(obj))
return PTR_ERR(obj);
- err = create_mmap_offset(obj);
+ mmo = mmap_offset_attach(obj, I915_MMAP_OFFSET_GTT, NULL);
i915_gem_object_put(obj);
- return err == expected;
+ return PTR_ERR_OR_ZERO(mmo) == expected;
}
static void disable_retire_worker(struct drm_i915_private *i915)
@@ -609,7 +609,8 @@ static int igt_mmap_offset_exhaustion(void *arg)
struct drm_mm *mm = &i915->drm.vma_offset_manager->vm_addr_space_mm;
struct drm_i915_gem_object *obj;
struct drm_mm_node *hole, *next;
- int loop, err;
+ struct i915_mmap_offset *mmo;
+ int loop, err = 0;
/* Disable background reaper */
disable_retire_worker(i915);
@@ -673,9 +674,10 @@ static int igt_mmap_offset_exhaustion(void *arg)
goto out;
}
- err = create_mmap_offset(obj);
- if (err) {
+ mmo = mmap_offset_attach(obj, I915_MMAP_OFFSET_GTT, NULL);
+ if (IS_ERR(mmo)) {
pr_err("Unable to insert object into reclaimed hole\n");
+ err = PTR_ERR(mmo);
goto err_obj;
}
@@ -724,14 +726,15 @@ err_obj:
}
#define expand32(x) (((x) << 0) | ((x) << 8) | ((x) << 16) | ((x) << 24))
-static int igt_mmap_gtt(void *arg)
+static int igt_mmap(void *arg, enum i915_mmap_type type)
{
struct drm_i915_private *i915 = arg;
struct drm_i915_gem_object *obj;
+ struct i915_mmap_offset *mmo;
struct vm_area_struct *area;
unsigned long addr;
void *vaddr;
- int err, i;
+ int err = 0, i;
if (!i915_ggtt_has_aperture(&i915->ggtt))
return 0;
@@ -749,18 +752,19 @@ static int igt_mmap_gtt(void *arg)
i915_gem_object_flush_map(obj);
i915_gem_object_unpin_map(obj);
- err = create_mmap_offset(obj);
- if (err)
+ mmo = mmap_offset_attach(obj, type, NULL);
+ if (IS_ERR(mmo)) {
+ err = PTR_ERR(mmo);
goto out;
+ }
- addr = igt_mmap_node(i915, &obj->base.vma_node,
- 0, PROT_WRITE, MAP_SHARED);
+ addr = igt_mmap_node(i915, &mmo->vma_node, 0, PROT_WRITE, MAP_SHARED);
if (IS_ERR_VALUE(addr)) {
err = addr;
goto out;
}
- pr_debug("igt_mmap(obj:gtt) @ %lx\n", addr);
+ pr_debug("igt_mmap() @ %lx\n", addr);
area = find_vma(current->mm, addr);
if (!area) {
@@ -769,8 +773,8 @@ static int igt_mmap_gtt(void *arg)
goto out_unmap;
}
- if (area->vm_private_data != obj) {
- pr_err("vm_area_struct did not point back to our object!\n");
+ if (area->vm_private_data != mmo) {
+ pr_err("vm_area_struct did not point back to our mmap_offset object!\n");
err = -EINVAL;
goto out_unmap;
}
@@ -780,14 +784,14 @@ static int igt_mmap_gtt(void *arg)
u32 x;
if (get_user(x, ux)) {
- pr_err("Unable to read from GTT mmap, offset:%zd\n",
+ pr_err("Unable to read from mmap, offset:%zd\n",
i * sizeof(x));
err = -EFAULT;
break;
}
if (x != expand32(POISON_INUSE)) {
- pr_err("Read incorrect value from GTT mmap, offset:%zd, found:%x, expected:%x\n",
+ pr_err("Read incorrect value from mmap, offset:%zd, found:%x, expected:%x\n",
i * sizeof(x), x, expand32(POISON_INUSE));
err = -EINVAL;
break;
@@ -795,7 +799,7 @@ static int igt_mmap_gtt(void *arg)
x = expand32(POISON_FREE);
if (put_user(x, ux)) {
- pr_err("Unable to write to GTT mmap, offset:%zd\n",
+ pr_err("Unable to write to mmap, offset:%zd\n",
i * sizeof(x));
err = -EFAULT;
break;
@@ -811,7 +815,7 @@ out_unmap:
goto out;
}
if (err == 0 && memchr_inv(vaddr, POISON_FREE, PAGE_SIZE)) {
- pr_err("Write via GGTT mmap did not land in backing store\n");
+ pr_err("Write via mmap did not land in backing store\n");
err = -EINVAL;
}
i915_gem_object_unpin_map(obj);
@@ -821,6 +825,16 @@ out:
return err;
}
+static int igt_mmap_gtt(void *arg)
+{
+ return igt_mmap(arg, I915_MMAP_TYPE_GTT);
+}
+
+static int igt_mmap_cpu(void *arg)
+{
+ return igt_mmap(arg, I915_MMAP_TYPE_WC);
+}
+
static int check_present_pte(pte_t *pte, unsigned long addr, void *data)
{
if (!pte_present(*pte) || pte_none(*pte)) {
@@ -873,10 +887,11 @@ static int prefault_range(u64 start, u64 len)
return __get_user(c, end - 1);
}
-static int igt_mmap_gtt_revoke(void *arg)
+static int igt_mmap_revoke(void *arg, enum i915_mmap_type type)
{
struct drm_i915_private *i915 = arg;
struct drm_i915_gem_object *obj;
+ struct i915_mmap_offset *mmo;
unsigned long addr;
int err;
@@ -887,12 +902,13 @@ static int igt_mmap_gtt_revoke(void *arg)
if (IS_ERR(obj))
return PTR_ERR(obj);
- err = create_mmap_offset(obj);
- if (err)
+ mmo = mmap_offset_attach(obj, type, NULL);
+ if (IS_ERR(mmo)) {
+ err = PTR_ERR(mmo);
goto out;
+ }
- addr = igt_mmap_node(i915, &obj->base.vma_node,
- 0, PROT_WRITE, MAP_SHARED);
+ addr = igt_mmap_node(i915, &mmo->vma_node, 0, PROT_WRITE, MAP_SHARED);
if (IS_ERR_VALUE(addr)) {
err = addr;
goto out;
@@ -902,7 +918,8 @@ static int igt_mmap_gtt_revoke(void *arg)
if (err)
goto out_unmap;
- GEM_BUG_ON(!atomic_read(&obj->bind_count));
+ GEM_BUG_ON(mmo->mmap_type == I915_MMAP_TYPE_GTT &&
+ !atomic_read(&obj->bind_count));
err = check_present(addr, obj->base.size);
if (err)
@@ -920,6 +937,15 @@ static int igt_mmap_gtt_revoke(void *arg)
}
GEM_BUG_ON(atomic_read(&obj->bind_count));
+ if (type != I915_MMAP_TYPE_GTT) {
+ __i915_gem_object_put_pages(obj);
+ if (i915_gem_object_has_pages(obj)) {
+ pr_err("Failed to put-pages object!\n");
+ err = -EINVAL;
+ goto out_unmap;
+ }
+ }
+
err = check_absent(addr, obj->base.size);
if (err)
goto out_unmap;
@@ -931,6 +957,16 @@ out:
return err;
}
+static int igt_mmap_gtt_revoke(void *arg)
+{
+ return igt_mmap_revoke(arg, I915_MMAP_TYPE_GTT);
+}
+
+static int igt_mmap_cpu_revoke(void *arg)
+{
+ return igt_mmap_revoke(arg, I915_MMAP_TYPE_WC);
+}
+
int i915_gem_mman_live_selftests(struct drm_i915_private *i915)
{
static const struct i915_subtest tests[] = {
@@ -938,7 +974,9 @@ int i915_gem_mman_live_selftests(struct drm_i915_private *i915)
SUBTEST(igt_smoke_tiling),
SUBTEST(igt_mmap_offset_exhaustion),
SUBTEST(igt_mmap_gtt),
+ SUBTEST(igt_mmap_cpu),
SUBTEST(igt_mmap_gtt_revoke),
+ SUBTEST(igt_mmap_cpu_revoke),
};
return i915_subtests(tests, i915);
generated by cgit v1.2.3 (git 2.39.0) at 2024-09-21 02:33:14 +0300