int qxl_gem_object_create_with_handle(struct qxl_device *qdev,
struct drm_file *file_priv,
u32 domain,
size_t size,
struct qxl_surface *surf,
struct qxl_bo **qobj,
uint32_t *handle)
{
struct drm_gem_object *gobj;
int r;
BUG_ON(!qobj);
BUG_ON(!handle);
r = qxl_gem_object_create(qdev, size, 0,
domain,
false, false, surf,
&gobj);
if (r)
return -ENOMEM;
r = drm_gem_handle_create(file_priv, gobj, handle);
if (r)
return r;
/* drop reference from allocate - handle holds it now */
*qobj = gem_to_qxl_bo(gobj);
drm_gem_object_unreference_unlocked(gobj);
return 0;
}
static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
struct drm_file *file_priv,
unsigned flags, unsigned color,
struct drm_clip_rect *clips,
unsigned num_clips)
{
/* TODO: vmwgfx where this was cribbed from had locking. Why? */
struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
struct qxl_device *qdev = qxl_fb->base.dev->dev_private;
struct drm_clip_rect norect;
struct qxl_bo *qobj;
int inc = 1;
qobj = gem_to_qxl_bo(qxl_fb->obj);
/* if we aren't primary surface ignore this */
if (!qobj->is_primary)
return 0;
if (!num_clips) {
num_clips = 1;
clips = &norect;
norect.x1 = norect.y1 = 0;
norect.x2 = fb->width;
norect.y2 = fb->height;
} else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
num_clips /= 2;
inc = 2; /* skip source rects */
}
qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color,
clips, num_clips, inc);
return 0;
}
static int qxlfb_create_pinned_object(struct qxl_fbdev *qfbdev,
const struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_gem_object **gobj_p)
{
struct qxl_device *qdev = qfbdev->qdev;
struct drm_gem_object *gobj = NULL;
struct qxl_bo *qbo = NULL;
int ret;
int aligned_size, size;
int height = mode_cmd->height;
int bpp;
int depth;
drm_fb_get_bpp_depth(mode_cmd->pixel_format, &bpp, &depth);
size = mode_cmd->pitches[0] * height;
aligned_size = ALIGN(size, PAGE_SIZE);
/* TODO: unallocate and reallocate surface0 for real. Hack to just
* have a large enough surface0 for 1024x768 Xorg 32bpp mode */
ret = qxl_gem_object_create(qdev, aligned_size, 0,
QXL_GEM_DOMAIN_SURFACE,
false, /* is discardable */
false, /* is kernel (false means device) */
NULL,
&gobj);
if (ret) {
pr_err("failed to allocate framebuffer (%d)\n",
aligned_size);
return -ENOMEM;
}
qbo = gem_to_qxl_bo(gobj);
qbo->surf.width = mode_cmd->width;
qbo->surf.height = mode_cmd->height;
qbo->surf.stride = mode_cmd->pitches[0];
qbo->surf.format = SPICE_SURFACE_FMT_32_xRGB;
ret = qxl_bo_reserve(qbo, false);
if (unlikely(ret != 0))
goto out_unref;
ret = qxl_bo_pin(qbo, QXL_GEM_DOMAIN_SURFACE, NULL);
if (ret) {
qxl_bo_unreserve(qbo);
goto out_unref;
}
ret = qxl_bo_kmap(qbo, NULL);
qxl_bo_unreserve(qbo); /* unreserve, will be mmaped */
if (ret)
goto out_unref;
*gobj_p = gobj;
return 0;
out_unref:
qxlfb_destroy_pinned_object(gobj);
*gobj_p = NULL;
return ret;
}
void *qxl_gem_prime_vmap(struct drm_gem_object *obj)
{
struct qxl_bo *bo = gem_to_qxl_bo(obj);
void *ptr;
int ret;
ret = qxl_bo_kmap(bo, &ptr);
if (ret < 0)
return ERR_PTR(ret);
return ptr;
}
void qxl_gem_object_free(struct drm_gem_object *gobj)
{
struct qxl_bo *qobj = gem_to_qxl_bo(gobj);
struct qxl_device *qdev;
struct ttm_buffer_object *tbo;
qdev = (struct qxl_device *)gobj->dev->dev_private;
qxl_surface_evict(qdev, qobj, false);
tbo = &qobj->tbo;
ttm_bo_unref(&tbo);
}
static void qxlfb_destroy_pinned_object(struct drm_gem_object *gobj)
{
struct qxl_bo *qbo = gem_to_qxl_bo(gobj);
int ret;
ret = qxl_bo_reserve(qbo, false);
if (likely(ret == 0)) {
qxl_bo_kunmap(qbo);
qxl_bo_unpin(qbo);
qxl_bo_unreserve(qbo);
}
drm_gem_object_unreference_unlocked(gobj);
}
static void qxl_crtc_disable(struct drm_crtc *crtc)
{
struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct qxl_device *qdev = dev->dev_private;
if (crtc->fb) {
struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->fb);
struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
int ret;
ret = qxl_bo_reserve(bo, false);
qxl_bo_unpin(bo);
qxl_bo_unreserve(bo);
crtc->fb = NULL;
}
qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0);
qxl_send_monitors_config(qdev);
}
/* return holding the reference to this object */
static struct qxl_bo *qxlhw_handle_to_bo(struct qxl_device *qdev,
struct drm_file *file_priv, uint64_t handle,
struct qxl_release *release)
{
struct drm_gem_object *gobj;
struct qxl_bo *qobj;
int ret;
gobj = drm_gem_object_lookup(qdev->ddev, file_priv, handle);
if (!gobj)
return NULL;
qobj = gem_to_qxl_bo(gobj);
ret = qxl_release_list_add(release, qobj);
if (ret)
return NULL;
return qobj;
}
/* return holding the reference to this object */
static int qxlhw_handle_to_bo(struct drm_file *file_priv, uint64_t handle,
struct qxl_release *release, struct qxl_bo **qbo_p)
{
struct drm_gem_object *gobj;
struct qxl_bo *qobj;
int ret;
gobj = drm_gem_object_lookup(file_priv, handle);
if (!gobj)
return -EINVAL;
qobj = gem_to_qxl_bo(gobj);
ret = qxl_release_list_add(release, qobj);
drm_gem_object_unreference_unlocked(gobj);
if (ret)
return ret;
*qbo_p = qobj;
return 0;
}
/* return holding the reference to this object */
static struct qxl_bo *qxlhw_handle_to_bo(struct qxl_device *qdev,
struct drm_file *file_priv, uint64_t handle,
struct qxl_reloc_list *reloc_list)
{
struct drm_gem_object *gobj;
struct qxl_bo *qobj;
int ret;
gobj = drm_gem_object_lookup(qdev->ddev, file_priv, handle);
if (!gobj) {
DRM_ERROR("bad bo handle %lld\n", handle);
return NULL;
}
qobj = gem_to_qxl_bo(gobj);
ret = qxl_bo_list_add(reloc_list, qobj);
if (ret)
return NULL;
return qobj;
}
int qxl_create_monitors_object(struct qxl_device *qdev)
{
int ret;
struct drm_gem_object *gobj;
int max_allowed = qxl_num_crtc;
int monitors_config_size = sizeof(struct qxl_monitors_config) +
max_allowed * sizeof(struct qxl_head);
ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
QXL_GEM_DOMAIN_VRAM,
false, false, NULL, &gobj);
if (ret) {
DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
return -ENOMEM;
}
qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
if (ret)
return ret;
ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL);
if (ret) {
qxl_bo_unreserve(qdev->monitors_config_bo);
return ret;
}
qxl_bo_unreserve(qdev->monitors_config_bo);
qxl_bo_kmap(qdev->monitors_config_bo, NULL);
qdev->monitors_config = qdev->monitors_config_bo->kptr;
qdev->ram_header->monitors_config =
qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
memset(qdev->monitors_config, 0, monitors_config_size);
qdev->monitors_config->max_allowed = max_allowed;
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)
return qxl_hide_cursor(qdev);
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);
qxl_bo_unreserve(user_bo);
if (ret)
goto out_unref;
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, release, sizeof(struct qxl_cursor) + size,
&cursor_bo);
if (ret)
goto out_free_release;
ret = qxl_release_reserve_list(release, false);
if (ret)
goto out_free_bo;
ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
if (ret)
goto out_backoff;
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);
qxl_bo_kunmap(user_bo);
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);
cmd->u.set.visible = 1;
qxl_release_unmap(qdev, release, &cmd->release_info);
qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
qxl_release_fence_buffer_objects(release);
/* finish with the userspace bo */
ret = qxl_bo_reserve(user_bo, false);
if (!ret) {
qxl_bo_unpin(user_bo);
qxl_bo_unreserve(user_bo);
}
drm_gem_object_unreference_unlocked(obj);
qxl_bo_unref(&cursor_bo);
return ret;
out_backoff:
qxl_release_backoff_reserve_list(release);
out_free_bo:
qxl_bo_unref(&cursor_bo);
out_free_release:
qxl_release_free(qdev, release);
out_kunmap:
qxl_bo_kunmap(user_bo);
out_unpin:
qxl_bo_unpin(user_bo);
out_unref:
drm_gem_object_unreference_unlocked(obj);
return ret;
}
bool qxl_fbdev_qobj_is_fb(struct qxl_device *qdev, struct qxl_bo *qobj)
{
if (qobj == gem_to_qxl_bo(qdev->mode_info.qfbdev->qfb.obj))
return true;
return false;
}
static int qxlfb_create(struct qxl_fbdev *qfbdev,
struct drm_fb_helper_surface_size *sizes)
{
struct qxl_device *qdev = qfbdev->qdev;
struct fb_info *info;
struct drm_framebuffer *fb = NULL;
struct drm_mode_fb_cmd2 mode_cmd;
struct drm_gem_object *gobj = NULL;
struct qxl_bo *qbo = NULL;
int ret;
int size;
int bpp = sizes->surface_bpp;
int depth = sizes->surface_depth;
void *shadow;
mode_cmd.width = sizes->surface_width;
mode_cmd.height = sizes->surface_height;
mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 1) / 8), 64);
mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth);
ret = qxlfb_create_pinned_object(qfbdev, &mode_cmd, &gobj);
if (ret < 0)
return ret;
qbo = gem_to_qxl_bo(gobj);
QXL_INFO(qdev, "%s: %dx%d %d\n", __func__, mode_cmd.width,
mode_cmd.height, mode_cmd.pitches[0]);
shadow = vmalloc(mode_cmd.pitches[0] * mode_cmd.height);
/* TODO: what's the usual response to memory allocation errors? */
BUG_ON(!shadow);
QXL_INFO(qdev,
"surface0 at gpu offset %lld, mmap_offset %lld (virt %p, shadow %p)\n",
qxl_bo_gpu_offset(qbo),
qxl_bo_mmap_offset(qbo),
qbo->kptr,
shadow);
size = mode_cmd.pitches[0] * mode_cmd.height;
info = drm_fb_helper_alloc_fbi(&qfbdev->helper);
if (IS_ERR(info)) {
ret = PTR_ERR(info);
goto out_unref;
}
info->par = qfbdev;
qxl_framebuffer_init(qdev->ddev, &qfbdev->qfb, &mode_cmd, gobj,
&qxlfb_fb_funcs);
fb = &qfbdev->qfb.base;
/* setup helper with fb data */
qfbdev->helper.fb = fb;
qfbdev->shadow = shadow;
strcpy(info->fix.id, "qxldrmfb");
drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT;
info->fbops = &qxlfb_ops;
/*
* TODO: using gobj->size in various places in this function. Not sure
* what the difference between the different sizes is.
*/
info->fix.smem_start = qdev->vram_base; /* TODO - correct? */
info->fix.smem_len = gobj->size;
info->screen_base = qfbdev->shadow;
info->screen_size = gobj->size;
drm_fb_helper_fill_var(info, &qfbdev->helper, sizes->fb_width,
sizes->fb_height);
/* setup aperture base/size for vesafb takeover */
info->apertures->ranges[0].base = qdev->ddev->mode_config.fb_base;
info->apertures->ranges[0].size = qdev->vram_size;
info->fix.mmio_start = 0;
info->fix.mmio_len = 0;
if (info->screen_base == NULL) {
ret = -ENOSPC;
goto out_destroy_fbi;
}
info->fbdefio = &qxl_defio;
fb_deferred_io_init(info);
qdev->fbdev_info = info;
qdev->fbdev_qfb = &qfbdev->qfb;
DRM_INFO("fb mappable at 0x%lX, size %lu\n", info->fix.smem_start, (unsigned long)info->screen_size);
DRM_INFO("fb: depth %d, pitch %d, width %d, height %d\n", fb->depth, fb->pitches[0], fb->width, fb->height);
return 0;
out_destroy_fbi:
drm_fb_helper_release_fbi(&qfbdev->helper);
out_unref:
if (qbo) {
ret = qxl_bo_reserve(qbo, false);
if (likely(ret == 0)) {
qxl_bo_kunmap(qbo);
qxl_bo_unpin(qbo);
qxl_bo_unreserve(qbo);
}
}
if (fb && ret) {
drm_gem_object_unreference_unlocked(gobj);
drm_framebuffer_cleanup(fb);
kfree(fb);
}
drm_gem_object_unreference_unlocked(gobj);
return ret;
}
void qxl_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
{
struct qxl_bo *bo = gem_to_qxl_bo(obj);
qxl_bo_kunmap(bo);
}
static int qxl_crtc_mode_set(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode,
int x, int y,
struct drm_framebuffer *old_fb)
{
struct drm_device *dev = crtc->dev;
struct qxl_device *qdev = dev->dev_private;
struct qxl_mode *m = (void *)mode->private;
struct qxl_framebuffer *qfb;
struct qxl_bo *bo, *old_bo = NULL;
struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
uint32_t width, height, base_offset;
bool recreate_primary = false;
int ret;
int surf_id;
if (!crtc->fb) {
DRM_DEBUG_KMS("No FB bound\n");
return 0;
}
if (old_fb) {
qfb = to_qxl_framebuffer(old_fb);
old_bo = gem_to_qxl_bo(qfb->obj);
}
qfb = to_qxl_framebuffer(crtc->fb);
bo = gem_to_qxl_bo(qfb->obj);
if (!m)
/* and do we care? */
DRM_DEBUG("%dx%d: not a native mode\n", x, y);
else
DRM_DEBUG("%dx%d: qxl id %d\n",
mode->hdisplay, mode->vdisplay, m->id);
DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n",
x, y,
mode->hdisplay, mode->vdisplay,
adjusted_mode->hdisplay,
adjusted_mode->vdisplay);
if (qcrtc->index == 0)
recreate_primary = true;
width = mode->hdisplay;
height = mode->vdisplay;
base_offset = 0;
ret = qxl_bo_reserve(bo, false);
if (ret != 0)
return ret;
ret = qxl_bo_pin(bo, bo->type, NULL);
if (ret != 0) {
qxl_bo_unreserve(bo);
return -EINVAL;
}
qxl_bo_unreserve(bo);
if (recreate_primary) {
qxl_io_destroy_primary(qdev);
qxl_io_log(qdev,
"recreate primary: %dx%d (was %dx%d,%d,%d)\n",
width, height, bo->surf.width,
bo->surf.height, bo->surf.stride, bo->surf.format);
qxl_io_create_primary(qdev, base_offset, bo);
bo->is_primary = true;
surf_id = 0;
} else {
surf_id = bo->surface_id;
}
if (old_bo && old_bo != bo) {
old_bo->is_primary = false;
ret = qxl_bo_reserve(old_bo, false);
qxl_bo_unpin(old_bo);
qxl_bo_unreserve(old_bo);
}
qxl_monitors_config_set(qdev, qcrtc->index, x, y,
mode->hdisplay,
mode->vdisplay, surf_id);
return 0;
}
void qxl_gem_prime_unpin(struct drm_gem_object *obj)
{
struct qxl_bo *bo = gem_to_qxl_bo(obj);
qxl_bo_unpin(bo);
}
static int qxl_update_area_ioctl(struct drm_device *dev, void *data,
struct drm_file *file)
{
struct qxl_device *qdev = dev->dev_private;
struct drm_qxl_update_area *update_area = data;
struct qxl_rect area = {.left = update_area->left,
.top = update_area->top,
.right = update_area->right,
.bottom = update_area->bottom};
int ret;
struct drm_gem_object *gobj = NULL;
struct qxl_bo *qobj = NULL;
if (update_area->left >= update_area->right ||
update_area->top >= update_area->bottom)
return -EINVAL;
gobj = drm_gem_object_lookup(file, update_area->handle);
if (gobj == NULL)
return -ENOENT;
qobj = gem_to_qxl_bo(gobj);
ret = qxl_bo_reserve(qobj, false);
if (ret)
goto out;
if (!qobj->pin_count) {
qxl_ttm_placement_from_domain(qobj, qobj->type, false);
ret = ttm_bo_validate(&qobj->tbo, &qobj->placement,
true, false);
if (unlikely(ret))
goto out;
}
ret = qxl_bo_check_id(qdev, qobj);
if (ret)
goto out2;
if (!qobj->surface_id)
DRM_ERROR("got update area for surface with no id %d\n", update_area->handle);
ret = qxl_io_update_area(qdev, qobj, &area);
out2:
qxl_bo_unreserve(qobj);
out:
drm_gem_object_unreference_unlocked(gobj);
return ret;
}
static int qxl_getparam_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct qxl_device *qdev = dev->dev_private;
struct drm_qxl_getparam *param = data;
switch (param->param) {
case QXL_PARAM_NUM_SURFACES:
param->value = qdev->rom->n_surfaces;
break;
case QXL_PARAM_MAX_RELOCS:
param->value = QXL_MAX_RES;
break;
default:
return -EINVAL;
}
return 0;
}
static int qxl_clientcap_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct qxl_device *qdev = dev->dev_private;
struct drm_qxl_clientcap *param = data;
int byte, idx;
byte = param->index / 8;
idx = param->index % 8;
if (qdev->pdev->revision < 4)
return -ENOSYS;
if (byte >= 58)
return -ENOSYS;
if (qdev->rom->client_capabilities[byte] & (1 << idx))
return 0;
return -ENOSYS;
}
static int qxl_alloc_surf_ioctl(struct drm_device *dev, void *data,
struct drm_file *file)
{
struct qxl_device *qdev = dev->dev_private;
struct drm_qxl_alloc_surf *param = data;
struct qxl_bo *qobj;
int handle;
int ret;
int size, actual_stride;
struct qxl_surface surf;
/* work out size allocate bo with handle */
actual_stride = param->stride < 0 ? -param->stride : param->stride;
size = actual_stride * param->height + actual_stride;
surf.format = param->format;
surf.width = param->width;
surf.height = param->height;
surf.stride = param->stride;
surf.data = 0;
ret = qxl_gem_object_create_with_handle(qdev, file,
QXL_GEM_DOMAIN_SURFACE,
size,
&surf,
&qobj, &handle);
if (ret) {
DRM_ERROR("%s: failed to create gem ret=%d\n",
__func__, ret);
return -ENOMEM;
} else
param->handle = handle;
return ret;
}
const struct drm_ioctl_desc qxl_ioctls[] = {
DRM_IOCTL_DEF_DRV(QXL_ALLOC, qxl_alloc_ioctl, DRM_AUTH),
DRM_IOCTL_DEF_DRV(QXL_MAP, qxl_map_ioctl, DRM_AUTH),
DRM_IOCTL_DEF_DRV(QXL_EXECBUFFER, qxl_execbuffer_ioctl,
DRM_AUTH),
DRM_IOCTL_DEF_DRV(QXL_UPDATE_AREA, qxl_update_area_ioctl,
DRM_AUTH),
DRM_IOCTL_DEF_DRV(QXL_GETPARAM, qxl_getparam_ioctl,
DRM_AUTH),
DRM_IOCTL_DEF_DRV(QXL_CLIENTCAP, qxl_clientcap_ioctl,
DRM_AUTH),
DRM_IOCTL_DEF_DRV(QXL_ALLOC_SURF, qxl_alloc_surf_ioctl,
DRM_AUTH),
};
int qxl_max_ioctls = ARRAY_SIZE(qxl_ioctls);
int qxl_gem_prime_pin(struct drm_gem_object *obj)
{
struct qxl_bo *bo = gem_to_qxl_bo(obj);
return qxl_bo_pin(bo);
}
