int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
{
struct radeon_device *rdev = dev->dev_private;
struct radeon_cs_parser parser;
int r;
down_read(&rdev->exclusive_lock);
if (!rdev->accel_working) {
up_read(&rdev->exclusive_lock);
return -EBUSY;
}
/* initialize parser */
memset(&parser, 0, sizeof(struct radeon_cs_parser));
parser.filp = filp;
parser.rdev = rdev;
parser.dev = rdev->dev;
parser.family = rdev->family;
r = radeon_cs_parser_init(&parser, data);
if (r) {
DRM_ERROR("Failed to initialize parser !\n");
radeon_cs_parser_fini(&parser, r, false);
up_read(&rdev->exclusive_lock);
r = radeon_cs_handle_lockup(rdev, r);
return r;
}
r = radeon_cs_ib_fill(rdev, &parser);
if (!r) {
r = radeon_cs_parser_relocs(&parser);
if (r && r != -ERESTARTSYS)
DRM_ERROR("Failed to parse relocation %d!\n", r);
}
if (r) {
radeon_cs_parser_fini(&parser, r, false);
up_read(&rdev->exclusive_lock);
r = radeon_cs_handle_lockup(rdev, r);
return r;
}
trace_radeon_cs(&parser);
r = radeon_cs_ib_chunk(rdev, &parser);
if (r) {
goto out;
}
r = radeon_cs_ib_vm_chunk(rdev, &parser);
if (r) {
goto out;
}
out:
radeon_cs_parser_fini(&parser, r, true);
up_read(&rdev->exclusive_lock);
r = radeon_cs_handle_lockup(rdev, r);
return r;
}
int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
{
struct radeon_device *rdev = dev->dev_private;
struct radeon_cs_parser parser;
struct radeon_cs_chunk *ib_chunk;
int r;
mutex_lock(&rdev->cs_mutex);
if (rdev->gpu_lockup) {
mutex_unlock(&rdev->cs_mutex);
return -EINVAL;
}
memset(&parser, 0, sizeof(struct radeon_cs_parser));
parser.filp = filp;
parser.rdev = rdev;
r = radeon_cs_parser_init(&parser, data);
if (r) {
DRM_ERROR("Failed to initialize parser !\n");
radeon_cs_parser_fini(&parser, r);
mutex_unlock(&rdev->cs_mutex);
return r;
}
r = radeon_ib_get(rdev, &parser.ib);
if (r) {
DRM_ERROR("Failed to get ib !\n");
radeon_cs_parser_fini(&parser, r);
mutex_unlock(&rdev->cs_mutex);
return r;
}
r = radeon_cs_parser_relocs(&parser);
if (r) {
DRM_ERROR("Failed to parse relocation !\n");
radeon_cs_parser_fini(&parser, r);
mutex_unlock(&rdev->cs_mutex);
return r;
}
ib_chunk = &parser.chunks[parser.chunk_ib_idx];
parser.ib->length_dw = ib_chunk->length_dw;
r = radeon_cs_parse(&parser);
if (r || parser.parser_error) {
DRM_ERROR("Invalid command stream !\n");
radeon_cs_parser_fini(&parser, r);
mutex_unlock(&rdev->cs_mutex);
return r;
}
r = radeon_cs_finish_pages(&parser);
if (r) {
DRM_ERROR("Invalid command stream !\n");
radeon_cs_parser_fini(&parser, r);
mutex_unlock(&rdev->cs_mutex);
return r;
}
r = radeon_ib_schedule(rdev, parser.ib);
if (r) {
DRM_ERROR("Faild to schedule IB !\n");
}
radeon_cs_parser_fini(&parser, r);
mutex_unlock(&rdev->cs_mutex);
return r;
}
int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
{
struct radeon_device *rdev = dev->dev_private;
struct radeon_cs_parser parser;
struct radeon_cs_chunk *ib_chunk;
int r;
mutex_lock(&rdev->cs_mutex);
/* initialize parser */
memset(&parser, 0, sizeof(struct radeon_cs_parser));
parser.filp = filp;
parser.rdev = rdev;
parser.dev = rdev->dev;
parser.family = rdev->family;
r = radeon_cs_parser_init(&parser, data);
if (r) {
DRM_ERROR("Failed to initialize parser !\n");
radeon_cs_parser_fini(&parser, r);
mutex_unlock(&rdev->cs_mutex);
return r;
}
r = radeon_ib_get(rdev, &parser.ib);
if (r) {
DRM_ERROR("Failed to get ib !\n");
radeon_cs_parser_fini(&parser, r);
mutex_unlock(&rdev->cs_mutex);
return r;
}
r = radeon_cs_parser_relocs(&parser);
if (r) {
if (r != -ERESTARTSYS)
DRM_ERROR("Failed to parse relocation %d!\n", r);
radeon_cs_parser_fini(&parser, r);
mutex_unlock(&rdev->cs_mutex);
return r;
}
/* Copy the packet into the IB, the parser will read from the
* input memory (cached) and write to the IB (which can be
* uncached). */
ib_chunk = &parser.chunks[parser.chunk_ib_idx];
parser.ib->length_dw = ib_chunk->length_dw;
r = radeon_cs_parse(&parser);
if (r || parser.parser_error) {
DRM_ERROR("Invalid command stream !\n");
radeon_cs_parser_fini(&parser, r);
mutex_unlock(&rdev->cs_mutex);
return r;
}
r = radeon_cs_finish_pages(&parser);
if (r) {
DRM_ERROR("Invalid command stream !\n");
radeon_cs_parser_fini(&parser, r);
mutex_unlock(&rdev->cs_mutex);
return r;
}
r = radeon_ib_schedule(rdev, parser.ib);
if (r) {
DRM_ERROR("Failed to schedule IB !\n");
}
radeon_cs_parser_fini(&parser, r);
mutex_unlock(&rdev->cs_mutex);
return r;
}
int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
{
struct radeon_device *rdev = dev->dev_private;
struct radeon_cs_parser parser;
int r;
lockmgr(&rdev->exclusive_lock, LK_EXCLUSIVE);
if (!rdev->accel_working) {
lockmgr(&rdev->exclusive_lock, LK_RELEASE);
return -EBUSY;
}
if (rdev->in_reset) {
lockmgr(&rdev->exclusive_lock, LK_RELEASE);
r = radeon_gpu_reset(rdev);
if (!r)
r = -EAGAIN;
return r;
}
/* initialize parser */
memset(&parser, 0, sizeof(struct radeon_cs_parser));
parser.filp = filp;
parser.rdev = rdev;
parser.dev = rdev->dev;
parser.family = rdev->family;
r = radeon_cs_parser_init(&parser, data);
if (r) {
DRM_ERROR("Failed to initialize parser !\n");
radeon_cs_parser_fini(&parser, r, false);
lockmgr(&rdev->exclusive_lock, LK_RELEASE);
r = radeon_cs_handle_lockup(rdev, r);
return r;
}
r = radeon_cs_ib_fill(rdev, &parser);
if (!r) {
r = radeon_cs_parser_relocs(&parser);
if (r && r != -ERESTARTSYS)
DRM_ERROR("Failed to parse relocation %d!\n", r);
}
if (r) {
radeon_cs_parser_fini(&parser, r, false);
lockmgr(&rdev->exclusive_lock, LK_RELEASE);
r = radeon_cs_handle_lockup(rdev, r);
return r;
}
#if TRACE_TODO
trace_radeon_cs(&parser);
#endif
r = radeon_cs_ib_chunk(rdev, &parser);
if (r) {
goto out;
}
r = radeon_cs_ib_vm_chunk(rdev, &parser);
if (r) {
goto out;
}
out:
radeon_cs_parser_fini(&parser, r, true);
lockmgr(&rdev->exclusive_lock, LK_RELEASE);
r = radeon_cs_handle_lockup(rdev, r);
return r;
}