27 	struct rogue_fwif_ccb_ctl *ctrl = cpu_ptr;  in ccb_ctrl_init()  local
30 	ctrl->write_offset = 0;  in ccb_ctrl_init()
31 	ctrl->read_offset = 0;  in ccb_ctrl_init()
32 	ctrl->wrap_mask = pvr_ccb->num_cmds - 1;  in ccb_ctrl_init()
33 	ctrl->cmd_size = pvr_ccb->cmd_size;  in ccb_ctrl_init()
66 	pvr_ccb->ctrl = pvr_fw_object_create_and_map(pvr_dev, sizeof(*pvr_ccb->ctrl),  in pvr_ccb_init()
69 	if (IS_ERR(pvr_ccb->ctrl))  in pvr_ccb_init()
70 		return PTR_ERR(pvr_ccb->ctrl);  in pvr_ccb_init()
83 	WRITE_ONCE(pvr_ccb->ctrl->write_offset, 0);  in pvr_ccb_init()
84 	WRITE_ONCE(pvr_ccb->ctrl->read_offset, 0);  in pvr_ccb_init()
85 	WRITE_ONCE(pvr_ccb->ctrl->wrap_mask, num_cmds - 1);  in pvr_ccb_init()
86 	WRITE_ONCE(pvr_ccb->ctrl->cmd_size, cmd_size);  in pvr_ccb_init()
121 	struct rogue_fwif_ccb_ctl *ctrl = pvr_ccb->ctrl;  in pvr_ccb_slot_available_locked()  local
122 	u32 next_write_offset = (READ_ONCE(ctrl->write_offset) + 1) & READ_ONCE(ctrl->wrap_mask);  in pvr_ccb_slot_available_locked()
126 	if (READ_ONCE(ctrl->read_offset) != next_write_offset) {  in pvr_ccb_slot_available_locked()
166 	struct rogue_fwif_ccb_ctl *ctrl = pvr_dev->fwccb.ctrl;  in pvr_fwccb_process()  local
171 	while ((read_offset = READ_ONCE(ctrl->read_offset)) != READ_ONCE(ctrl->write_offset)) {  in pvr_fwccb_process()
174 		WRITE_ONCE(ctrl->read_offset, (read_offset + 1) & READ_ONCE(ctrl->wrap_mask));  in pvr_fwccb_process()
217 	struct rogue_fwif_ccb_ctl *ctrl = pvr_ccb->ctrl;  in pvr_kccb_used_slot_count_locked()  local
218 	u32 wr_offset = READ_ONCE(ctrl->write_offset);  in pvr_kccb_used_slot_count_locked()
219 	u32 rd_offset = READ_ONCE(ctrl->read_offset);  in pvr_kccb_used_slot_count_locked()
246 	struct rogue_fwif_ccb_ctl *ctrl = pvr_ccb->ctrl;  in pvr_kccb_send_cmd_reserved_powered()  local
257 	old_write_offset = READ_ONCE(ctrl->write_offset);  in pvr_kccb_send_cmd_reserved_powered()
272 	WRITE_ONCE(ctrl->write_offset, new_write_offset);  in pvr_kccb_send_cmd_reserved_powered()
425 	struct rogue_fwif_ccb_ctl *ctrl = pvr_dev->kccb.ccb.ctrl;  in pvr_kccb_is_idle()  local
430 	idle = (READ_ONCE(ctrl->write_offset) == READ_ONCE(ctrl->read_offset));  in pvr_kccb_is_idle()