1 /* SPDX-License-Identifier: GPL-2.0 */ 2 3 /* Copyright (c) 2018, The Linux Foundation. All rights reserved. 4 * Copyright (C) 2018-2020 Linaro Ltd. 5 */ 6 #ifndef _IPA_QMI_MSG_H_ 7 #define _IPA_QMI_MSG_H_ 8 9 /* === Only "ipa_qmi" and "ipa_qmi_msg.c" should include this file === */ 10 11 #include <linux/types.h> 12 #include <linux/soc/qcom/qmi.h> 13 14 /* Request/response/indication QMI message ids used for IPA. Receiving 15 * end issues a response for requests; indications require no response. 16 */ 17 #define IPA_QMI_INDICATION_REGISTER 0x20 /* modem -> AP request */ 18 #define IPA_QMI_INIT_DRIVER 0x21 /* AP -> modem request */ 19 #define IPA_QMI_INIT_COMPLETE 0x22 /* AP -> modem indication */ 20 #define IPA_QMI_DRIVER_INIT_COMPLETE 0x35 /* modem -> AP request */ 21 22 /* The maximum size required for message types. These sizes include 23 * the message data, along with type (1 byte) and length (2 byte) 24 * information for each field. The qmi_send_*() interfaces require 25 * the message size to be provided. 26 */ 27 #define IPA_QMI_INDICATION_REGISTER_REQ_SZ 12 /* -> server handle */ 28 #define IPA_QMI_INDICATION_REGISTER_RSP_SZ 7 /* <- server handle */ 29 #define IPA_QMI_INIT_DRIVER_REQ_SZ 162 /* client handle -> */ 30 #define IPA_QMI_INIT_DRIVER_RSP_SZ 25 /* client handle <- */ 31 #define IPA_QMI_INIT_COMPLETE_IND_SZ 7 /* <- server handle */ 32 #define IPA_QMI_DRIVER_INIT_COMPLETE_REQ_SZ 4 /* -> server handle */ 33 #define IPA_QMI_DRIVER_INIT_COMPLETE_RSP_SZ 7 /* <- server handle */ 34 35 /* Maximum size of messages we expect the AP to receive (max of above) */ 36 #define IPA_QMI_SERVER_MAX_RCV_SZ 8 37 #define IPA_QMI_CLIENT_MAX_RCV_SZ 25 38 39 /* Request message for the IPA_QMI_INDICATION_REGISTER request */ 40 struct ipa_indication_register_req { 41 u8 master_driver_init_complete_valid; 42 u8 master_driver_init_complete; 43 u8 data_usage_quota_reached_valid; 44 u8 data_usage_quota_reached; 45 u8 ipa_mhi_ready_ind_valid; 46 u8 ipa_mhi_ready_ind; 47 }; 48 49 /* The response to a IPA_QMI_INDICATION_REGISTER request consists only of 50 * a standard QMI response. 51 */ 52 struct ipa_indication_register_rsp { 53 struct qmi_response_type_v01 rsp; 54 }; 55 56 /* Request message for the IPA_QMI_DRIVER_INIT_COMPLETE request */ 57 struct ipa_driver_init_complete_req { 58 u8 status; 59 }; 60 61 /* The response to a IPA_QMI_DRIVER_INIT_COMPLETE request consists only 62 * of a standard QMI response. 63 */ 64 struct ipa_driver_init_complete_rsp { 65 struct qmi_response_type_v01 rsp; 66 }; 67 68 /* The message for the IPA_QMI_INIT_COMPLETE_IND indication consists 69 * only of a standard QMI response. 70 */ 71 struct ipa_init_complete_ind { 72 struct qmi_response_type_v01 status; 73 }; 74 75 /* The AP tells the modem its platform type. We assume Android. */ 76 enum ipa_platform_type { 77 IPA_QMI_PLATFORM_TYPE_INVALID = 0, /* Invalid */ 78 IPA_QMI_PLATFORM_TYPE_TN = 1, /* Data card */ 79 IPA_QMI_PLATFORM_TYPE_LE = 2, /* Data router */ 80 IPA_QMI_PLATFORM_TYPE_MSM_ANDROID = 3, /* Android MSM */ 81 IPA_QMI_PLATFORM_TYPE_MSM_WINDOWS = 4, /* Windows MSM */ 82 IPA_QMI_PLATFORM_TYPE_MSM_QNX_V01 = 5, /* QNX MSM */ 83 }; 84 85 /* This defines the start and end offset of a range of memory. Both 86 * fields are offsets relative to the start of IPA shared memory. 87 * The end value is the last addressable byte *within* the range. 88 */ 89 struct ipa_mem_bounds { 90 u32 start; 91 u32 end; 92 }; 93 94 /* This defines the location and size of an array. The start value 95 * is an offset relative to the start of IPA shared memory. The 96 * size of the array is implied by the number of entries (the entry 97 * size is assumed to be known). 98 */ 99 struct ipa_mem_array { 100 u32 start; 101 u32 count; 102 }; 103 104 /* This defines the location and size of a range of memory. The 105 * start is an offset relative to the start of IPA shared memory. 106 * This differs from the ipa_mem_bounds structure in that the size 107 * (in bytes) of the memory region is specified rather than the 108 * offset of its last byte. 109 */ 110 struct ipa_mem_range { 111 u32 start; 112 u32 size; 113 }; 114 115 /* The message for the IPA_QMI_INIT_DRIVER request contains information 116 * from the AP that affects modem initialization. 117 */ 118 struct ipa_init_modem_driver_req { 119 u8 platform_type_valid; 120 u32 platform_type; /* enum ipa_platform_type */ 121 122 /* Modem header table information. This defines the IPA shared 123 * memory in which the modem may insert header table entries. 124 */ 125 u8 hdr_tbl_info_valid; 126 struct ipa_mem_bounds hdr_tbl_info; 127 128 /* Routing table information. These define the location and size of 129 * non-hashable IPv4 and IPv6 filter tables. The start values are 130 * offsets relative to the start of IPA shared memory. 131 */ 132 u8 v4_route_tbl_info_valid; 133 struct ipa_mem_array v4_route_tbl_info; 134 u8 v6_route_tbl_info_valid; 135 struct ipa_mem_array v6_route_tbl_info; 136 137 /* Filter table information. These define the location of the 138 * non-hashable IPv4 and IPv6 filter tables. The start values are 139 * offsets relative to the start of IPA shared memory. 140 */ 141 u8 v4_filter_tbl_start_valid; 142 u32 v4_filter_tbl_start; 143 u8 v6_filter_tbl_start_valid; 144 u32 v6_filter_tbl_start; 145 146 /* Modem memory information. This defines the location and 147 * size of memory available for the modem to use. 148 */ 149 u8 modem_mem_info_valid; 150 struct ipa_mem_range modem_mem_info; 151 152 /* This defines the destination endpoint on the AP to which 153 * the modem driver can send control commands. Must be less 154 * than ipa_endpoint_max(). 155 */ 156 u8 ctrl_comm_dest_end_pt_valid; 157 u32 ctrl_comm_dest_end_pt; 158 159 /* This defines whether the modem should load the microcontroller 160 * or not. It is unnecessary to reload it if the modem is being 161 * restarted. 162 * 163 * NOTE: this field is named "is_ssr_bootup" elsewhere. 164 */ 165 u8 skip_uc_load_valid; 166 u8 skip_uc_load; 167 168 /* Processing context memory information. This defines the memory in 169 * which the modem may insert header processing context table entries. 170 */ 171 u8 hdr_proc_ctx_tbl_info_valid; 172 struct ipa_mem_bounds hdr_proc_ctx_tbl_info; 173 174 /* Compression command memory information. This defines the memory 175 * in which the modem may insert compression/decompression commands. 176 */ 177 u8 zip_tbl_info_valid; 178 struct ipa_mem_bounds zip_tbl_info; 179 180 /* Routing table information. These define the location and size 181 * of hashable IPv4 and IPv6 filter tables. The start values are 182 * offsets relative to the start of IPA shared memory. 183 */ 184 u8 v4_hash_route_tbl_info_valid; 185 struct ipa_mem_array v4_hash_route_tbl_info; 186 u8 v6_hash_route_tbl_info_valid; 187 struct ipa_mem_array v6_hash_route_tbl_info; 188 189 /* Filter table information. These define the location and size 190 * of hashable IPv4 and IPv6 filter tables. The start values are 191 * offsets relative to the start of IPA shared memory. 192 */ 193 u8 v4_hash_filter_tbl_start_valid; 194 u32 v4_hash_filter_tbl_start; 195 u8 v6_hash_filter_tbl_start_valid; 196 u32 v6_hash_filter_tbl_start; 197 198 /* Statistics information. These define the locations of the 199 * first and last statistics sub-regions. (IPA v4.0 and above) 200 */ 201 u8 hw_stats_quota_base_addr_valid; 202 u32 hw_stats_quota_base_addr; 203 u8 hw_stats_quota_size_valid; 204 u32 hw_stats_quota_size; 205 u8 hw_stats_drop_base_addr_valid; 206 u32 hw_stats_drop_base_addr; 207 u8 hw_stats_drop_size_valid; 208 u32 hw_stats_drop_size; 209 }; 210 211 /* The response to a IPA_QMI_INIT_DRIVER request begins with a standard 212 * QMI response, but contains other information as well. Currently we 213 * simply wait for the the INIT_DRIVER transaction to complete and 214 * ignore any other data that might be returned. 215 */ 216 struct ipa_init_modem_driver_rsp { 217 struct qmi_response_type_v01 rsp; 218 219 /* This defines the destination endpoint on the modem to which 220 * the AP driver can send control commands. Must be less than 221 * ipa_endpoint_max(). 222 */ 223 u8 ctrl_comm_dest_end_pt_valid; 224 u32 ctrl_comm_dest_end_pt; 225 226 /* This defines the default endpoint. The AP driver is not 227 * required to configure the hardware with this value. Must 228 * be less than ipa_endpoint_max(). 229 */ 230 u8 default_end_pt_valid; 231 u32 default_end_pt; 232 233 /* This defines whether a second handshake is required to complete 234 * initialization. 235 */ 236 u8 modem_driver_init_pending_valid; 237 u8 modem_driver_init_pending; 238 }; 239 240 /* Message structure definitions defined in "ipa_qmi_msg.c" */ 241 extern struct qmi_elem_info ipa_indication_register_req_ei[]; 242 extern struct qmi_elem_info ipa_indication_register_rsp_ei[]; 243 extern struct qmi_elem_info ipa_driver_init_complete_req_ei[]; 244 extern struct qmi_elem_info ipa_driver_init_complete_rsp_ei[]; 245 extern struct qmi_elem_info ipa_init_complete_ind_ei[]; 246 extern struct qmi_elem_info ipa_mem_bounds_ei[]; 247 extern struct qmi_elem_info ipa_mem_array_ei[]; 248 extern struct qmi_elem_info ipa_mem_range_ei[]; 249 extern struct qmi_elem_info ipa_init_modem_driver_req_ei[]; 250 extern struct qmi_elem_info ipa_init_modem_driver_rsp_ei[]; 251 252 #endif /* !_IPA_QMI_MSG_H_ */ 253