262 lines
9.0 KiB
C
262 lines
9.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2018, The Linux Foundation. All rights reserved.
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* Copyright (C) 2018-2022 Linaro Ltd.
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*/
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#ifndef _IPA_QMI_MSG_H_
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#define _IPA_QMI_MSG_H_
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/* === Only "ipa_qmi" and "ipa_qmi_msg.c" should include this file === */
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#include <linux/types.h>
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#include <linux/soc/qcom/qmi.h>
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/* Request/response/indication QMI message ids used for IPA. Receiving
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* end issues a response for requests; indications require no response.
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*/
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#define IPA_QMI_INDICATION_REGISTER 0x20 /* modem -> AP request */
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#define IPA_QMI_INIT_DRIVER 0x21 /* AP -> modem request */
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#define IPA_QMI_INIT_COMPLETE 0x22 /* AP -> modem indication */
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#define IPA_QMI_DRIVER_INIT_COMPLETE 0x35 /* modem -> AP request */
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/* The maximum size required for message types. These sizes include
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* the message data, along with type (1 byte) and length (2 byte)
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* information for each field. The qmi_send_*() interfaces require
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* the message size to be provided.
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*/
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#define IPA_QMI_INDICATION_REGISTER_REQ_SZ 20 /* -> server handle */
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#define IPA_QMI_INDICATION_REGISTER_RSP_SZ 7 /* <- server handle */
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#define IPA_QMI_INIT_DRIVER_REQ_SZ 162 /* client handle -> */
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#define IPA_QMI_INIT_DRIVER_RSP_SZ 25 /* client handle <- */
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#define IPA_QMI_INIT_COMPLETE_IND_SZ 7 /* <- server handle */
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#define IPA_QMI_DRIVER_INIT_COMPLETE_REQ_SZ 4 /* -> server handle */
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#define IPA_QMI_DRIVER_INIT_COMPLETE_RSP_SZ 7 /* <- server handle */
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/* Maximum size of messages we expect the AP to receive (max of above) */
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#define IPA_QMI_SERVER_MAX_RCV_SZ 8
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#define IPA_QMI_CLIENT_MAX_RCV_SZ 25
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/* Request message for the IPA_QMI_INDICATION_REGISTER request */
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struct ipa_indication_register_req {
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u8 master_driver_init_complete_valid;
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u8 master_driver_init_complete;
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u8 data_usage_quota_reached_valid;
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u8 data_usage_quota_reached;
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u8 ipa_mhi_ready_ind_valid;
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u8 ipa_mhi_ready_ind;
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u8 endpoint_desc_ind_valid;
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u8 endpoint_desc_ind;
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u8 bw_change_ind_valid;
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u8 bw_change_ind;
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};
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/* The response to a IPA_QMI_INDICATION_REGISTER request consists only of
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* a standard QMI response.
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*/
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struct ipa_indication_register_rsp {
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struct qmi_response_type_v01 rsp;
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};
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/* Request message for the IPA_QMI_DRIVER_INIT_COMPLETE request */
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struct ipa_driver_init_complete_req {
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u8 status;
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};
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/* The response to a IPA_QMI_DRIVER_INIT_COMPLETE request consists only
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* of a standard QMI response.
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*/
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struct ipa_driver_init_complete_rsp {
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struct qmi_response_type_v01 rsp;
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};
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/* The message for the IPA_QMI_INIT_COMPLETE_IND indication consists
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* only of a standard QMI response.
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*/
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struct ipa_init_complete_ind {
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struct qmi_response_type_v01 status;
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};
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/* The AP tells the modem its platform type. We assume Android. */
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enum ipa_platform_type {
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IPA_QMI_PLATFORM_TYPE_INVALID = 0x0, /* Invalid */
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IPA_QMI_PLATFORM_TYPE_TN = 0x1, /* Data card */
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IPA_QMI_PLATFORM_TYPE_LE = 0x2, /* Data router */
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IPA_QMI_PLATFORM_TYPE_MSM_ANDROID = 0x3, /* Android MSM */
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IPA_QMI_PLATFORM_TYPE_MSM_WINDOWS = 0x4, /* Windows MSM */
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IPA_QMI_PLATFORM_TYPE_MSM_QNX_V01 = 0x5, /* QNX MSM */
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};
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/* This defines the start and end offset of a range of memory. The start
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* value is a byte offset relative to the start of IPA shared memory. The
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* end value is the last addressable unit *within* the range. Typically
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* the end value is in units of bytes, however it can also be a maximum
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* array index value.
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*/
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struct ipa_mem_bounds {
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u32 start;
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u32 end;
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};
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/* This defines the location and size of an array. The start value
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* is an offset relative to the start of IPA shared memory. The
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* size of the array is implied by the number of entries (the entry
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* size is assumed to be known).
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*/
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struct ipa_mem_array {
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u32 start;
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u32 count;
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};
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/* This defines the location and size of a range of memory. The
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* start is an offset relative to the start of IPA shared memory.
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* This differs from the ipa_mem_bounds structure in that the size
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* (in bytes) of the memory region is specified rather than the
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* offset of its last byte.
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*/
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struct ipa_mem_range {
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u32 start;
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u32 size;
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};
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/* The message for the IPA_QMI_INIT_DRIVER request contains information
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* from the AP that affects modem initialization.
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*/
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struct ipa_init_modem_driver_req {
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u8 platform_type_valid;
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u32 platform_type; /* enum ipa_platform_type */
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/* Modem header table information. This defines the IPA shared
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* memory in which the modem may insert header table entries.
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*/
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u8 hdr_tbl_info_valid;
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struct ipa_mem_bounds hdr_tbl_info;
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/* Routing table information. These define the location and maximum
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* *index* (not byte) for the modem portion of non-hashable IPv4 and
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* IPv6 routing tables. The start values are byte offsets relative
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* to the start of IPA shared memory.
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*/
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u8 v4_route_tbl_info_valid;
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struct ipa_mem_bounds v4_route_tbl_info;
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u8 v6_route_tbl_info_valid;
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struct ipa_mem_bounds v6_route_tbl_info;
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/* Filter table information. These define the location of the
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* non-hashable IPv4 and IPv6 filter tables. The start values are
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* byte offsets relative to the start of IPA shared memory.
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*/
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u8 v4_filter_tbl_start_valid;
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u32 v4_filter_tbl_start;
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u8 v6_filter_tbl_start_valid;
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u32 v6_filter_tbl_start;
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/* Modem memory information. This defines the location and
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* size of memory available for the modem to use.
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*/
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u8 modem_mem_info_valid;
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struct ipa_mem_range modem_mem_info;
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/* This defines the destination endpoint on the AP to which
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* the modem driver can send control commands. Must be less
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* than ipa_endpoint_max().
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*/
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u8 ctrl_comm_dest_end_pt_valid;
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u32 ctrl_comm_dest_end_pt;
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/* This defines whether the modem should load the microcontroller
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* or not. It is unnecessary to reload it if the modem is being
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* restarted.
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*
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* NOTE: this field is named "is_ssr_bootup" elsewhere.
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*/
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u8 skip_uc_load_valid;
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u8 skip_uc_load;
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/* Processing context memory information. This defines the memory in
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* which the modem may insert header processing context table entries.
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*/
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u8 hdr_proc_ctx_tbl_info_valid;
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struct ipa_mem_bounds hdr_proc_ctx_tbl_info;
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/* Compression command memory information. This defines the memory
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* in which the modem may insert compression/decompression commands.
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*/
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u8 zip_tbl_info_valid;
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struct ipa_mem_bounds zip_tbl_info;
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/* Routing table information. These define the location and maximum
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* *index* (not byte) for the modem portion of hashable IPv4 and IPv6
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* routing tables (if supported by hardware). The start values are
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* byte offsets relative to the start of IPA shared memory.
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*/
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u8 v4_hash_route_tbl_info_valid;
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struct ipa_mem_bounds v4_hash_route_tbl_info;
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u8 v6_hash_route_tbl_info_valid;
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struct ipa_mem_bounds v6_hash_route_tbl_info;
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/* Filter table information. These define the location and size
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* of hashable IPv4 and IPv6 filter tables (if supported by hardware).
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* The start values are byte offsets relative to the start of IPA
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* shared memory.
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*/
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u8 v4_hash_filter_tbl_start_valid;
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u32 v4_hash_filter_tbl_start;
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u8 v6_hash_filter_tbl_start_valid;
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u32 v6_hash_filter_tbl_start;
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/* Statistics information. These define the locations of the
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* first and last statistics sub-regions. (IPA v4.0 and above)
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*/
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u8 hw_stats_quota_base_addr_valid;
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u32 hw_stats_quota_base_addr;
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u8 hw_stats_quota_size_valid;
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u32 hw_stats_quota_size;
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u8 hw_stats_drop_base_addr_valid;
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u32 hw_stats_drop_base_addr;
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u8 hw_stats_drop_size_valid;
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u32 hw_stats_drop_size;
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};
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/* The response to a IPA_QMI_INIT_DRIVER request begins with a standard
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* QMI response, but contains other information as well. Currently we
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* simply wait for the INIT_DRIVER transaction to complete and
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* ignore any other data that might be returned.
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*/
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struct ipa_init_modem_driver_rsp {
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struct qmi_response_type_v01 rsp;
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/* This defines the destination endpoint on the modem to which
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* the AP driver can send control commands. Must be less than
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* ipa_endpoint_max().
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*/
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u8 ctrl_comm_dest_end_pt_valid;
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u32 ctrl_comm_dest_end_pt;
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/* This defines the default endpoint. The AP driver is not
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* required to configure the hardware with this value. Must
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* be less than ipa_endpoint_max().
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*/
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u8 default_end_pt_valid;
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u32 default_end_pt;
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/* This defines whether a second handshake is required to complete
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* initialization.
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*/
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u8 modem_driver_init_pending_valid;
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u8 modem_driver_init_pending;
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};
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/* Message structure definitions defined in "ipa_qmi_msg.c" */
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extern const struct qmi_elem_info ipa_indication_register_req_ei[];
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extern const struct qmi_elem_info ipa_indication_register_rsp_ei[];
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extern const struct qmi_elem_info ipa_driver_init_complete_req_ei[];
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extern const struct qmi_elem_info ipa_driver_init_complete_rsp_ei[];
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extern const struct qmi_elem_info ipa_init_complete_ind_ei[];
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extern const struct qmi_elem_info ipa_mem_bounds_ei[];
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extern const struct qmi_elem_info ipa_mem_array_ei[];
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extern const struct qmi_elem_info ipa_mem_range_ei[];
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extern const struct qmi_elem_info ipa_init_modem_driver_req_ei[];
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extern const struct qmi_elem_info ipa_init_modem_driver_rsp_ei[];
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#endif /* !_IPA_QMI_MSG_H_ */
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