diff options
Diffstat (limited to 'drivers/net/ipa/ipa_qmi_msg.h')
| -rw-r--r-- | drivers/net/ipa/ipa_qmi_msg.h | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/drivers/net/ipa/ipa_qmi_msg.h b/drivers/net/ipa/ipa_qmi_msg.h new file mode 100644 index 000000000000..cfac456cea0c --- /dev/null +++ b/drivers/net/ipa/ipa_qmi_msg.h @@ -0,0 +1,252 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +/* Copyright (c) 2018, The Linux Foundation. All rights reserved. + * Copyright (C) 2018-2020 Linaro Ltd. + */ +#ifndef _IPA_QMI_MSG_H_ +#define _IPA_QMI_MSG_H_ + +/* === Only "ipa_qmi" and "ipa_qmi_msg.c" should include this file === */ + +#include <linux/types.h> +#include <linux/soc/qcom/qmi.h> + +/* Request/response/indication QMI message ids used for IPA. Receiving + * end issues a response for requests; indications require no response. + */ +#define IPA_QMI_INDICATION_REGISTER 0x20 /* modem -> AP request */ +#define IPA_QMI_INIT_DRIVER 0x21 /* AP -> modem request */ +#define IPA_QMI_INIT_COMPLETE 0x22 /* AP -> modem indication */ +#define IPA_QMI_DRIVER_INIT_COMPLETE 0x35 /* modem -> AP request */ + +/* The maximum size required for message types. These sizes include + * the message data, along with type (1 byte) and length (2 byte) + * information for each field. The qmi_send_*() interfaces require + * the message size to be provided. + */ +#define IPA_QMI_INDICATION_REGISTER_REQ_SZ 12 /* -> server handle */ +#define IPA_QMI_INDICATION_REGISTER_RSP_SZ 7 /* <- server handle */ +#define IPA_QMI_INIT_DRIVER_REQ_SZ 162 /* client handle -> */ +#define IPA_QMI_INIT_DRIVER_RSP_SZ 25 /* client handle <- */ +#define IPA_QMI_INIT_COMPLETE_IND_SZ 7 /* <- server handle */ +#define IPA_QMI_DRIVER_INIT_COMPLETE_REQ_SZ 4 /* -> server handle */ +#define IPA_QMI_DRIVER_INIT_COMPLETE_RSP_SZ 7 /* <- server handle */ + +/* Maximum size of messages we expect the AP to receive (max of above) */ +#define IPA_QMI_SERVER_MAX_RCV_SZ 8 +#define IPA_QMI_CLIENT_MAX_RCV_SZ 25 + +/* Request message for the IPA_QMI_INDICATION_REGISTER request */ +struct ipa_indication_register_req { + u8 master_driver_init_complete_valid; + u8 master_driver_init_complete; + u8 data_usage_quota_reached_valid; + u8 data_usage_quota_reached; + u8 ipa_mhi_ready_ind_valid; + u8 ipa_mhi_ready_ind; +}; + +/* The response to a IPA_QMI_INDICATION_REGISTER request consists only of + * a standard QMI response. + */ +struct ipa_indication_register_rsp { + struct qmi_response_type_v01 rsp; +}; + +/* Request message for the IPA_QMI_DRIVER_INIT_COMPLETE request */ +struct ipa_driver_init_complete_req { + u8 status; +}; + +/* The response to a IPA_QMI_DRIVER_INIT_COMPLETE request consists only + * of a standard QMI response. + */ +struct ipa_driver_init_complete_rsp { + struct qmi_response_type_v01 rsp; +}; + +/* The message for the IPA_QMI_INIT_COMPLETE_IND indication consists + * only of a standard QMI response. + */ +struct ipa_init_complete_ind { + struct qmi_response_type_v01 status; +}; + +/* The AP tells the modem its platform type. We assume Android. */ +enum ipa_platform_type { + IPA_QMI_PLATFORM_TYPE_INVALID = 0, /* Invalid */ + IPA_QMI_PLATFORM_TYPE_TN = 1, /* Data card */ + IPA_QMI_PLATFORM_TYPE_LE = 2, /* Data router */ + IPA_QMI_PLATFORM_TYPE_MSM_ANDROID = 3, /* Android MSM */ + IPA_QMI_PLATFORM_TYPE_MSM_WINDOWS = 4, /* Windows MSM */ + IPA_QMI_PLATFORM_TYPE_MSM_QNX_V01 = 5, /* QNX MSM */ +}; + +/* This defines the start and end offset of a range of memory. Both + * fields are offsets relative to the start of IPA shared memory. + * The end value is the last addressable byte *within* the range. + */ +struct ipa_mem_bounds { + u32 start; + u32 end; +}; + +/* This defines the location and size of an array. The start value + * is an offset relative to the start of IPA shared memory. The + * size of the array is implied by the number of entries (the entry + * size is assumed to be known). + */ +struct ipa_mem_array { + u32 start; + u32 count; +}; + +/* This defines the location and size of a range of memory. The + * start is an offset relative to the start of IPA shared memory. + * This differs from the ipa_mem_bounds structure in that the size + * (in bytes) of the memory region is specified rather than the + * offset of its last byte. + */ +struct ipa_mem_range { + u32 start; + u32 size; +}; + +/* The message for the IPA_QMI_INIT_DRIVER request contains information + * from the AP that affects modem initialization. + */ +struct ipa_init_modem_driver_req { + u8 platform_type_valid; + u32 platform_type; /* enum ipa_platform_type */ + + /* Modem header table information. This defines the IPA shared + * memory in which the modem may insert header table entries. + */ + u8 hdr_tbl_info_valid; + struct ipa_mem_bounds hdr_tbl_info; + + /* Routing table information. These define the location and size of + * non-hashable IPv4 and IPv6 filter tables. The start values are + * offsets relative to the start of IPA shared memory. + */ + u8 v4_route_tbl_info_valid; + struct ipa_mem_array v4_route_tbl_info; + u8 v6_route_tbl_info_valid; + struct ipa_mem_array v6_route_tbl_info; + + /* Filter table information. These define the location of the + * non-hashable IPv4 and IPv6 filter tables. The start values are + * offsets relative to the start of IPA shared memory. + */ + u8 v4_filter_tbl_start_valid; + u32 v4_filter_tbl_start; + u8 v6_filter_tbl_start_valid; + u32 v6_filter_tbl_start; + + /* Modem memory information. This defines the location and + * size of memory available for the modem to use. + */ + u8 modem_mem_info_valid; + struct ipa_mem_range modem_mem_info; + + /* This defines the destination endpoint on the AP to which + * the modem driver can send control commands. Must be less + * than ipa_endpoint_max(). + */ + u8 ctrl_comm_dest_end_pt_valid; + u32 ctrl_comm_dest_end_pt; + + /* This defines whether the modem should load the microcontroller + * or not. It is unnecessary to reload it if the modem is being + * restarted. + * + * NOTE: this field is named "is_ssr_bootup" elsewhere. + */ + u8 skip_uc_load_valid; + u8 skip_uc_load; + + /* Processing context memory information. This defines the memory in + * which the modem may insert header processing context table entries. + */ + u8 hdr_proc_ctx_tbl_info_valid; + struct ipa_mem_bounds hdr_proc_ctx_tbl_info; + + /* Compression command memory information. This defines the memory + * in which the modem may insert compression/decompression commands. + */ + u8 zip_tbl_info_valid; + struct ipa_mem_bounds zip_tbl_info; + + /* Routing table information. These define the location and size + * of hashable IPv4 and IPv6 filter tables. The start values are + * offsets relative to the start of IPA shared memory. + */ + u8 v4_hash_route_tbl_info_valid; + struct ipa_mem_array v4_hash_route_tbl_info; + u8 v6_hash_route_tbl_info_valid; + struct ipa_mem_array v6_hash_route_tbl_info; + + /* Filter table information. These define the location and size + * of hashable IPv4 and IPv6 filter tables. The start values are + * offsets relative to the start of IPA shared memory. + */ + u8 v4_hash_filter_tbl_start_valid; + u32 v4_hash_filter_tbl_start; + u8 v6_hash_filter_tbl_start_valid; + u32 v6_hash_filter_tbl_start; + + /* Statistics information. These define the locations of the + * first and last statistics sub-regions. (IPA v4.0 and above) + */ + u8 hw_stats_quota_base_addr_valid; + u32 hw_stats_quota_base_addr; + u8 hw_stats_quota_size_valid; + u32 hw_stats_quota_size; + u8 hw_stats_drop_base_addr_valid; + u32 hw_stats_drop_base_addr; + u8 hw_stats_drop_size_valid; + u32 hw_stats_drop_size; +}; + +/* The response to a IPA_QMI_INIT_DRIVER request begins with a standard + * QMI response, but contains other information as well. Currently we + * simply wait for the the INIT_DRIVER transaction to complete and + * ignore any other data that might be returned. + */ +struct ipa_init_modem_driver_rsp { + struct qmi_response_type_v01 rsp; + + /* This defines the destination endpoint on the modem to which + * the AP driver can send control commands. Must be less than + * ipa_endpoint_max(). + */ + u8 ctrl_comm_dest_end_pt_valid; + u32 ctrl_comm_dest_end_pt; + + /* This defines the default endpoint. The AP driver is not + * required to configure the hardware with this value. Must + * be less than ipa_endpoint_max(). + */ + u8 default_end_pt_valid; + u32 default_end_pt; + + /* This defines whether a second handshake is required to complete + * initialization. + */ + u8 modem_driver_init_pending_valid; + u8 modem_driver_init_pending; +}; + +/* Message structure definitions defined in "ipa_qmi_msg.c" */ +extern struct qmi_elem_info ipa_indication_register_req_ei[]; +extern struct qmi_elem_info ipa_indication_register_rsp_ei[]; +extern struct qmi_elem_info ipa_driver_init_complete_req_ei[]; +extern struct qmi_elem_info ipa_driver_init_complete_rsp_ei[]; +extern struct qmi_elem_info ipa_init_complete_ind_ei[]; +extern struct qmi_elem_info ipa_mem_bounds_ei[]; +extern struct qmi_elem_info ipa_mem_array_ei[]; +extern struct qmi_elem_info ipa_mem_range_ei[]; +extern struct qmi_elem_info ipa_init_modem_driver_req_ei[]; +extern struct qmi_elem_info ipa_init_modem_driver_rsp_ei[]; + +#endif /* !_IPA_QMI_MSG_H_ */ |