static int qxl_crtc_cursor_move(struct drm_crtc *crtc,
int x, int y)
{
struct drm_device *dev = crtc->dev;
struct qxl_device *qdev = dev->dev_private;
struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
struct qxl_release *release;
struct qxl_cursor_cmd *cmd;
int ret;
ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD,
&release, NULL);
qcrtc->cur_x = x;
qcrtc->cur_y = y;
cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
cmd->type = QXL_CURSOR_MOVE;
cmd->u.position.x = qcrtc->cur_x;
cmd->u.position.y = qcrtc->cur_y;
qxl_release_unmap(qdev, release, &cmd->release_info);
qxl_fence_releaseable(qdev, release);
qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
qxl_release_unreserve(qdev, release);
return 0;
}
int qxl_hw_surface_alloc(struct qxl_device *qdev,
struct qxl_bo *surf,
struct ttm_mem_reg *new_mem)
{
struct qxl_surface_cmd *cmd;
struct qxl_release *release;
int ret;
if (surf->hw_surf_alloc)
return 0;
ret = qxl_alloc_surface_release_reserved(qdev, QXL_SURFACE_CMD_CREATE,
NULL,
&release);
if (ret)
return ret;
cmd = (struct qxl_surface_cmd *)qxl_release_map(qdev, release);
cmd->type = QXL_SURFACE_CMD_CREATE;
cmd->u.surface_create.format = surf->surf.format;
cmd->u.surface_create.width = surf->surf.width;
cmd->u.surface_create.height = surf->surf.height;
cmd->u.surface_create.stride = surf->surf.stride;
if (new_mem) {
int slot_id = surf->type == QXL_GEM_DOMAIN_VRAM ? qdev->main_mem_slot : qdev->surfaces_mem_slot;
struct qxl_memslot *slot = &(qdev->mem_slots[slot_id]);
/* TODO - need to hold one of the locks to read tbo.offset */
cmd->u.surface_create.data = slot->high_bits;
cmd->u.surface_create.data |= (new_mem->start << PAGE_SHIFT) + surf->tbo.bdev->man[new_mem->mem_type].gpu_offset;
} else
cmd->u.surface_create.data = qxl_bo_physical_address(qdev, surf, 0);
cmd->surface_id = surf->surface_id;
qxl_release_unmap(qdev, release, &cmd->release_info);
surf->surf_create = release;
/* no need to add a release to the fence for this bo,
since it is only released when we ask to destroy the surface
and it would never signal otherwise */
qxl_fence_releaseable(qdev, release);
qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false);
qxl_release_unreserve(qdev, release);
surf->hw_surf_alloc = true;
spin_lock(&qdev->surf_id_idr_lock);
idr_replace(&qdev->surf_id_idr, surf, surf->surface_id);
spin_unlock(&qdev->surf_id_idr_lock);
return 0;
}
static void
qxl_hide_cursor(struct qxl_device *qdev)
{
struct qxl_release *release;
struct qxl_cursor_cmd *cmd;
int ret;
ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD,
&release, NULL);
cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
cmd->type = QXL_CURSOR_HIDE;
qxl_release_unmap(qdev, release, &cmd->release_info);
qxl_fence_releaseable(qdev, release);
qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
qxl_release_unreserve(qdev, release);
}
int qxl_hw_surface_dealloc(struct qxl_device *qdev,
struct qxl_bo *surf)
{
struct qxl_surface_cmd *cmd;
struct qxl_release *release;
int ret;
int id;
if (!surf->hw_surf_alloc)
return 0;
ret = qxl_alloc_surface_release_reserved(qdev, QXL_SURFACE_CMD_DESTROY,
surf->surf_create,
&release);
if (ret)
return ret;
surf->surf_create = NULL;
/* remove the surface from the idr, but not the surface id yet */
spin_lock(&qdev->surf_id_idr_lock);
idr_replace(&qdev->surf_id_idr, NULL, surf->surface_id);
spin_unlock(&qdev->surf_id_idr_lock);
surf->hw_surf_alloc = false;
id = surf->surface_id;
surf->surface_id = 0;
release->surface_release_id = id;
cmd = (struct qxl_surface_cmd *)qxl_release_map(qdev, release);
cmd->type = QXL_SURFACE_CMD_DESTROY;
cmd->surface_id = id;
qxl_release_unmap(qdev, release, &cmd->release_info);
qxl_fence_releaseable(qdev, release);
qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false);
qxl_release_unreserve(qdev, release);
return 0;
}
static int qxl_crtc_cursor_set2(struct drm_crtc *crtc,
struct drm_file *file_priv,
uint32_t handle,
uint32_t width,
uint32_t height, int32_t hot_x, int32_t hot_y)
{
struct drm_device *dev = crtc->dev;
struct qxl_device *qdev = dev->dev_private;
struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
struct drm_gem_object *obj;
struct qxl_cursor *cursor;
struct qxl_cursor_cmd *cmd;
struct qxl_bo *cursor_bo, *user_bo;
struct qxl_release *release;
void *user_ptr;
int size = 64*64*4;
int ret = 0;
if (!handle) {
qxl_hide_cursor(qdev);
return 0;
}
obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
if (!obj) {
DRM_ERROR("cannot find cursor object\n");
return -ENOENT;
}
user_bo = gem_to_qxl_bo(obj);
ret = qxl_bo_reserve(user_bo, false);
if (ret)
goto out_unref;
ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL);
if (ret)
goto out_unreserve;
ret = qxl_bo_kmap(user_bo, &user_ptr);
if (ret)
goto out_unpin;
ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
QXL_RELEASE_CURSOR_CMD,
&release, NULL);
if (ret)
goto out_kunmap;
ret = qxl_alloc_bo_reserved(qdev, sizeof(struct qxl_cursor) + size,
&cursor_bo);
if (ret)
goto out_free_release;
ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
if (ret)
goto out_free_bo;
cursor->header.unique = 0;
cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
cursor->header.width = 64;
cursor->header.height = 64;
cursor->header.hot_spot_x = hot_x;
cursor->header.hot_spot_y = hot_y;
cursor->data_size = size;
cursor->chunk.next_chunk = 0;
cursor->chunk.prev_chunk = 0;
cursor->chunk.data_size = size;
memcpy(cursor->chunk.data, user_ptr, size);
qxl_bo_kunmap(cursor_bo);
/* finish with the userspace bo */
qxl_bo_kunmap(user_bo);
qxl_bo_unpin(user_bo);
qxl_bo_unreserve(user_bo);
drm_gem_object_unreference_unlocked(obj);
cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
cmd->type = QXL_CURSOR_SET;
cmd->u.set.position.x = qcrtc->cur_x;
cmd->u.set.position.y = qcrtc->cur_y;
cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0);
qxl_release_add_res(qdev, release, cursor_bo);
cmd->u.set.visible = 1;
qxl_release_unmap(qdev, release, &cmd->release_info);
qxl_fence_releaseable(qdev, release);
qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
qxl_release_unreserve(qdev, release);
qxl_bo_unreserve(cursor_bo);
qxl_bo_unref(&cursor_bo);
return ret;
out_free_bo:
qxl_bo_unref(&cursor_bo);
out_free_release:
qxl_release_unreserve(qdev, release);
qxl_release_free(qdev, release);
out_kunmap:
qxl_bo_kunmap(user_bo);
out_unpin:
qxl_bo_unpin(user_bo);
out_unreserve:
qxl_bo_unreserve(user_bo);
out_unref:
drm_gem_object_unreference_unlocked(obj);
return ret;
}
/*
* Usage of execbuffer:
* Relocations need to take into account the full QXLDrawable size.
* However, the command as passed from user space must *not* contain the initial
* QXLReleaseInfo struct (first XXX bytes)
*/
static int qxl_execbuffer_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct qxl_device *qdev = dev->dev_private;
struct drm_qxl_execbuffer *execbuffer = data;
struct drm_qxl_command user_cmd;
int cmd_num;
struct qxl_bo *reloc_src_bo;
struct qxl_bo *reloc_dst_bo;
struct drm_qxl_reloc reloc;
void *fb_cmd;
int i, ret;
struct qxl_reloc_list reloc_list;
int unwritten;
uint32_t reloc_dst_offset;
INIT_LIST_HEAD(&reloc_list.bos);
for (cmd_num = 0; cmd_num < execbuffer->commands_num; ++cmd_num) {
struct qxl_release *release;
struct qxl_bo *cmd_bo;
int release_type;
struct drm_qxl_command *commands =
(struct drm_qxl_command *)execbuffer->commands;
if (DRM_COPY_FROM_USER(&user_cmd, &commands[cmd_num],
sizeof(user_cmd)))
return -EFAULT;
switch (user_cmd.type) {
case QXL_CMD_DRAW:
release_type = QXL_RELEASE_DRAWABLE;
break;
case QXL_CMD_SURFACE:
case QXL_CMD_CURSOR:
default:
DRM_DEBUG("Only draw commands in execbuffers\n");
return -EINVAL;
break;
}
if (user_cmd.command_size > PAGE_SIZE - sizeof(union qxl_release_info))
return -EINVAL;
ret = qxl_alloc_release_reserved(qdev,
sizeof(union qxl_release_info) +
user_cmd.command_size,
release_type,
&release,
&cmd_bo);
if (ret)
return ret;
/* TODO copy slow path code from i915 */
fb_cmd = qxl_bo_kmap_atomic_page(qdev, cmd_bo, (release->release_offset & PAGE_SIZE));
unwritten = __copy_from_user_inatomic_nocache(fb_cmd + sizeof(union qxl_release_info) + (release->release_offset & ~PAGE_SIZE), (void *)(unsigned long)user_cmd.command, user_cmd.command_size);
qxl_bo_kunmap_atomic_page(qdev, cmd_bo, fb_cmd);
if (unwritten) {
DRM_ERROR("got unwritten %d\n", unwritten);
qxl_release_unreserve(qdev, release);
qxl_release_free(qdev, release);
return -EFAULT;
}
for (i = 0 ; i < user_cmd.relocs_num; ++i) {
if (DRM_COPY_FROM_USER(&reloc,
&((struct drm_qxl_reloc *)user_cmd.relocs)[i],
sizeof(reloc))) {
qxl_bo_list_unreserve(&reloc_list, true);
qxl_release_unreserve(qdev, release);
qxl_release_free(qdev, release);
return -EFAULT;
}
/* add the bos to the list of bos to validate -
need to validate first then process relocs? */
if (reloc.dst_handle) {
reloc_dst_bo = qxlhw_handle_to_bo(qdev, file_priv,
reloc.dst_handle, &reloc_list);
if (!reloc_dst_bo) {
qxl_bo_list_unreserve(&reloc_list, true);
qxl_release_unreserve(qdev, release);
qxl_release_free(qdev, release);
return -EINVAL;
}
reloc_dst_offset = 0;
} else {
reloc_dst_bo = cmd_bo;
reloc_dst_offset = release->release_offset;
}
/* reserve and validate the reloc dst bo */
if (reloc.reloc_type == QXL_RELOC_TYPE_BO || reloc.src_handle > 0) {
reloc_src_bo =
qxlhw_handle_to_bo(qdev, file_priv,
reloc.src_handle, &reloc_list);
if (!reloc_src_bo) {
if (reloc_dst_bo != cmd_bo)
drm_gem_object_unreference_unlocked(&reloc_dst_bo->gem_base);
qxl_bo_list_unreserve(&reloc_list, true);
qxl_release_unreserve(qdev, release);
qxl_release_free(qdev, release);
return -EINVAL;
}
} else
reloc_src_bo = NULL;
if (reloc.reloc_type == QXL_RELOC_TYPE_BO) {
apply_reloc(qdev, reloc_dst_bo, reloc_dst_offset + reloc.dst_offset,
reloc_src_bo, reloc.src_offset);
} else if (reloc.reloc_type == QXL_RELOC_TYPE_SURF) {
apply_surf_reloc(qdev, reloc_dst_bo, reloc_dst_offset + reloc.dst_offset, reloc_src_bo);
} else {
DRM_ERROR("unknown reloc type %d\n", reloc.reloc_type);
return -EINVAL;
}
if (reloc_src_bo && reloc_src_bo != cmd_bo) {
qxl_release_add_res(qdev, release, reloc_src_bo);
drm_gem_object_unreference_unlocked(&reloc_src_bo->gem_base);
}
if (reloc_dst_bo != cmd_bo)
drm_gem_object_unreference_unlocked(&reloc_dst_bo->gem_base);
}
qxl_fence_releaseable(qdev, release);
ret = qxl_push_command_ring_release(qdev, release, user_cmd.type, true);
if (ret == -ERESTARTSYS) {
qxl_release_unreserve(qdev, release);
qxl_release_free(qdev, release);
qxl_bo_list_unreserve(&reloc_list, true);
return ret;
}
qxl_release_unreserve(qdev, release);
}
qxl_bo_list_unreserve(&reloc_list, 0);
return 0;
}
