uqmi.h

   1 /*
   2  * uqmi -- tiny QMI support implementation
   3  *
   4  * Copyright (C) 2014-2015 Felix Fietkau <nbd@openwrt.org>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the
  18  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA 02110-1301 USA.
  20  */
  21
  22 #ifndef __UQMI_H
  23 #define __UQMI_H
  24
  25 #include <stdbool.h>
  26
  27 #include <libubox/uloop.h>
  28 #include <libubox/ustream.h>
  29
  30 #include "qmi-message.h"
  31
  32 #ifdef DEBUG_PACKET
  33 void dump_packet(const char *prefix, void *ptr, int len);
  34 #else
  35 static inline void dump_packet(const char *prefix, void *ptr, int len)
  36 {
  37 }
  38 #endif
  39
  40 #define __qmi_services \
  41     __qmi_service(QMI_SERVICE_WDS), \
  42     __qmi_service(QMI_SERVICE_DMS), \
  43     __qmi_service(QMI_SERVICE_NAS), \
  44     __qmi_service(QMI_SERVICE_QOS), \
  45     __qmi_service(QMI_SERVICE_WMS), \
  46     __qmi_service(QMI_SERVICE_PDS), \
  47     __qmi_service(QMI_SERVICE_AUTH), \
  48     __qmi_service(QMI_SERVICE_AT), \
  49     __qmi_service(QMI_SERVICE_VOICE), \
  50     __qmi_service(QMI_SERVICE_CAT2), \
  51     __qmi_service(QMI_SERVICE_UIM), \
  52     __qmi_service(QMI_SERVICE_PBM), \
  53     __qmi_service(QMI_SERVICE_LOC), \
  54     __qmi_service(QMI_SERVICE_SAR), \
  55     __qmi_service(QMI_SERVICE_RMTFS), \
  56     __qmi_service(QMI_SERVICE_CAT), \
  57     __qmi_service(QMI_SERVICE_RMS), \
  58     __qmi_service(QMI_SERVICE_OMA), \
  59     __qmi_service(QMI_SERVICE_WDA)
  60
  61 #define __qmi_service(_n) __##_n
  62 enum {
  63         __qmi_services,
  64         __QMI_SERVICE_LAST
  65 };
  66 #undef __qmi_service
  67
  68 struct qmi_dev;
  69 struct qmi_request;
  70 struct qmi_msg;
  71
  72 typedef void (*request_cb)(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg);
  73
  74 struct qmi_dev {
  75         struct ustream_fd sf;
  76
  77         struct list_head req;
  78
  79         struct {
  80                 bool connected;
  81                 uint8_t client_id;
  82                 uint16_t tid;
  83         } service_data[__QMI_SERVICE_LAST];
  84
  85         uint32_t service_connected;
  86         uint32_t service_keep_cid;
  87         uint32_t service_release_cid;
  88
  89         uint8_t ctl_tid;
  90         void *buf;
  91
  92         bool is_mbim;
  93 };
  94
  95 struct qmi_request {
  96         struct list_head list;
  97
  98         request_cb cb;
  99
 100         bool *complete;
 101         bool pending;
 102         bool no_error_cb;
 103         uint8_t service;
 104         uint16_t tid;
 105         int ret;
 106 };
 107
 108 extern bool cancel_all_requests;
 109 int qmi_device_open(struct qmi_dev *qmi, const char *path);
 110 void qmi_device_close(struct qmi_dev *qmi);
 111
 112 int qmi_request_start(struct qmi_dev *qmi, struct qmi_request *req, request_cb cb);
 113 void qmi_request_cancel(struct qmi_dev *qmi, struct qmi_request *req);
 114 int qmi_request_wait(struct qmi_dev *qmi, struct qmi_request *req);
 115
 116 static inline bool qmi_request_pending(struct qmi_request *req)
 117 {
 118         return req->pending;
 119 }
 120
 121 int qmi_service_connect(struct qmi_dev *qmi, QmiService svc, int client_id);
 122 int qmi_service_get_client_id(struct qmi_dev *qmi, QmiService svc);
 123 int qmi_service_release_client_id(struct qmi_dev *qmi, QmiService svc);
 124 QmiService qmi_service_get_by_name(const char *str);
 125 const char *qmi_get_error_str(int code);
 126
 127 #endif