int etna_pipe_wait(struct etna_pipe *pipe, uint32_t timestamp, uint32_t ms)
{
struct etna_device *dev = pipe->gpu->dev;
int ret;
struct drm_etnaviv_wait_fence req = {
.pipe = pipe->gpu->core,
.fence = timestamp,
};
if (ms == 0)
req.flags |= ETNA_WAIT_NONBLOCK;
get_abs_timeout(&req.timeout, ms);
ret = drmCommandWrite(dev->fd, DRM_ETNAVIV_WAIT_FENCE, &req, sizeof(req));
if (ret) {
ERROR_MSG("wait-fence failed! %d (%s)", ret, strerror(errno));
return ret;
}
return 0;
}
void etna_pipe_del(struct etna_pipe *pipe)
{
free(pipe);
}
static int xen_timerop_set_next_event(unsigned long delta,
struct clock_event_device *evt)
{
WARN_ON(evt->mode != CLOCK_EVT_MODE_ONESHOT);
if (HYPERVISOR_set_timer_op(get_abs_timeout(delta)) < 0)
BUG();
return 0;
}
static int xen_timerop_set_next_event(unsigned long delta,
struct clock_event_device *evt)
{
WARN_ON(!clockevent_state_oneshot(evt));
if (HYPERVISOR_set_timer_op(get_abs_timeout(delta)) < 0)
BUG();
/* We may have missed the deadline, but there's no real way of
knowing for sure. If the event was in the past, then we'll
get an immediate interrupt. */
return 0;
}
static int xen_vcpuop_set_next_event(unsigned long delta,
struct clock_event_device *evt)
{
int cpu = smp_processor_id();
struct vcpu_set_singleshot_timer single;
int ret;
WARN_ON(!clockevent_state_oneshot(evt));
single.timeout_abs_ns = get_abs_timeout(delta);
single.flags = VCPU_SSHOTTMR_future;
ret = HYPERVISOR_vcpu_op(VCPUOP_set_singleshot_timer, cpu, &single);
BUG_ON(ret != 0 && ret != -ETIME);
return ret;
}
static int msm_pipe_wait(struct fd_pipe *pipe, uint32_t timestamp)
{
struct fd_device *dev = pipe->dev;
struct drm_msm_wait_fence req = {
.fence = timestamp,
};
int ret;
get_abs_timeout(&req.timeout, 5000);
ret = drmCommandWrite(dev->fd, DRM_MSM_WAIT_FENCE, &req, sizeof(req));
if (ret) {
ERROR_MSG("wait-fence failed! %d (%s)", ret, strerror(errno));
return ret;
}
return 0;
}
static int xen_vcpuop_set_next_event(unsigned long delta,
struct clock_event_device *evt)
{
int cpu = smp_processor_id();
struct vcpu_set_singleshot_timer single;
int ret;
WARN_ON(!clockevent_state_oneshot(evt));
single.timeout_abs_ns = get_abs_timeout(delta);
/* Get an event anyway, even if the timeout is already expired */
single.flags = 0;
ret = HYPERVISOR_vcpu_op(VCPUOP_set_singleshot_timer, cpu, &single);
BUG_ON(ret != 0);
return ret;
}
static int bo_allocate(struct msm_bo *msm_bo)
{
struct fd_bo *bo = &msm_bo->base;
if (!msm_bo->offset) {
struct drm_msm_gem_info req = {
.handle = bo->handle,
};
int ret;
/* if the buffer is already backed by pages then this
* doesn't actually do anything (other than giving us
* the offset)
*/
ret = drmCommandWriteRead(bo->dev->fd, DRM_MSM_GEM_INFO,
&req, sizeof(req));
if (ret) {
ERROR_MSG("alloc failed: %s", strerror(errno));
return ret;
}
msm_bo->offset = req.offset;
}
return 0;
}
static int msm_bo_offset(struct fd_bo *bo, uint64_t *offset)
{
struct msm_bo *msm_bo = to_msm_bo(bo);
int ret = bo_allocate(msm_bo);
if (ret)
return ret;
*offset = msm_bo->offset;
return 0;
}
static int msm_bo_cpu_prep(struct fd_bo *bo, struct fd_pipe *pipe, uint32_t op)
{
struct drm_msm_gem_cpu_prep req = {
.handle = bo->handle,
.op = op,
};
get_abs_timeout(&req.timeout, 5000000000);
return drmCommandWrite(bo->dev->fd, DRM_MSM_GEM_CPU_PREP, &req, sizeof(req));
}
static void msm_bo_cpu_fini(struct fd_bo *bo)
{
struct drm_msm_gem_cpu_fini req = {
.handle = bo->handle,
};
drmCommandWrite(bo->dev->fd, DRM_MSM_GEM_CPU_FINI, &req, sizeof(req));
}
static void msm_bo_destroy(struct fd_bo *bo)
{
struct msm_bo *msm_bo = to_msm_bo(bo);
free(msm_bo);
}
static const struct fd_bo_funcs funcs = {
.offset = msm_bo_offset,
.cpu_prep = msm_bo_cpu_prep,
.cpu_fini = msm_bo_cpu_fini,
.destroy = msm_bo_destroy,
};
/* allocate a buffer handle: */
drm_private int msm_bo_new_handle(struct fd_device *dev,
uint32_t size, uint32_t flags, uint32_t *handle)
{
struct drm_msm_gem_new req = {
.size = size,
.flags = MSM_BO_WC, // TODO figure out proper flags..
};
int ret;
ret = drmCommandWriteRead(dev->fd, DRM_MSM_GEM_NEW,
&req, sizeof(req));
if (ret)
return ret;
*handle = req.handle;
return 0;
}
/* allocate a new buffer object */
drm_private struct fd_bo * msm_bo_from_handle(struct fd_device *dev,
uint32_t size, uint32_t handle)
{
struct msm_bo *msm_bo;
struct fd_bo *bo;
msm_bo = calloc(1, sizeof(*msm_bo));
if (!msm_bo)
return NULL;
bo = &msm_bo->base;
bo->funcs = &funcs;
bo->fd = -1;
return bo;
}