1 /* SPDX-License-Identifier: GPL-2.0 */
3  * Copyright (c) 2003-2019, Intel Corporation. All rights reserved.
39 #define  MEI_MAX_OPEN_HANDLE_COUNT (MEI_CLIENTS_MAX - 1)
73  * enum mei_cb_file_ops  - file operation associated with the callback
93  * enum mei_cl_io_mode - io mode between driver and fw
95  * @MEI_CL_IO_TX_BLOCKING: send is blocking
98  * @MEI_CL_IO_RX_NONBLOCK: recv is non-blocking
116  * struct mei_dma_dscr - dma address descriptor
135  * struct mei_fw_status - storage of FW status data
146  * struct mei_me_client - representation of me (fw) client
170  * struct mei_cl_cb - file operation callback structure
179  * @status: io status of the cb
181  * @blocking: transmission blocking mode
193 	u32 blocking:1;  member
197  * struct mei_cl_vtag - file pointer to vtag mapping structure
212  * struct mei_cl - me client host representation
213  *    carried in file->private_data
231  * @notify_en: notification - enabled/disabled
274  * struct mei_hw_ops - hw specific ops
354  * enum mei_pg_event - power gating transition events
371  * enum mei_pg_state - device internal power gating state
373  * @MEI_PG_OFF: device is not power gated - it is active
374  * @MEI_PG_ON:  device is power gated - it is in lower power state
384  * struct mei_fw_version - MEI FW version struct
403  * struct mei_device -  MEI private device struct
576  * mei_data2slots - get slots number from a message length
588  * mei_hbm2slots - get slots number from a hbm message length
601  * mei_slots2data - get data in slots - bytes from slots
653 	return dev->ops->hw_config(dev);  in mei_hw_config()
658 	return dev->ops->pg_state(dev);  in mei_pg_state()
663 	return dev->ops->pg_in_transition(dev);  in mei_pg_in_transition()
668 	return dev->ops->pg_is_enabled(dev);  in mei_pg_is_enabled()
673 	return dev->ops->hw_reset(dev, enable);  in mei_hw_reset()
678 	return dev->ops->hw_start(dev);  in mei_hw_start()
683 	dev->ops->intr_clear(dev);  in mei_clear_interrupts()
688 	dev->ops->intr_enable(dev);  in mei_enable_interrupts()
693 	dev->ops->intr_disable(dev);  in mei_disable_interrupts()
698 	dev->ops->synchronize_irq(dev);  in mei_synchronize_irq()
703 	return dev->ops->host_is_ready(dev);  in mei_host_is_ready()
707 	return dev->ops->hw_is_ready(dev);  in mei_hw_is_ready()
712 	return dev->ops->hbuf_is_ready(dev);  in mei_hbuf_is_ready()
717 	return dev->ops->hbuf_free_slots(dev);  in mei_hbuf_empty_slots()
722 	return dev->ops->hbuf_depth(dev);  in mei_hbuf_depth()
729 	return dev->ops->write(dev, hdr, hdr_len, data, data_len);  in mei_write_message()
734 	return dev->ops->read_hdr(dev);  in mei_read_hdr()
740 	dev->ops->read(dev, buf, len);  in mei_read_slots()
745 	return dev->ops->rdbuf_full_slots(dev);  in mei_count_full_read_slots()
750 	if (dev->ops->trc_status)  in mei_trc_status()
751 		return dev->ops->trc_status(dev, trc);  in mei_trc_status()
752 	return -EOPNOTSUPP;  in mei_trc_status()
758 	return dev->ops->fw_status(dev, fw_status);  in mei_fw_status()
778 	(hdr)->host_addr, (hdr)->me_addr, \
779 	(hdr)->length, (hdr)->dma_ring, (hdr)->extended, \
780 	(hdr)->internal, (hdr)->msg_complete
784  * mei_fw_status_str - fetch and convert fw status registers to printable string