[24/27] qmi: Rename and refactor qmi_device_discover

Message ID	20240614185300.1086701-24-denkenz@gmail.com (mailing list archive)
State	Superseded
Headers	show Received: from mail-ot1-f50.google.com (mail-ot1-f50.google.com [209.85.210.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A8CAE1A0AF5 for <ofono@lists.linux.dev>; Fri, 14 Jun 2024 18:53:21 +0000 (UTC) From: Denis Kenzior <denkenz@gmail.com> To: ofono@lists.linux.dev Cc: Denis Kenzior <denkenz@gmail.com> Subject: [PATCH 24/27] qmi: Rename and refactor qmi_device_discover Date: Fri, 14 Jun 2024 13:52:36 -0500 Message-ID: <20240614185300.1086701-24-denkenz@gmail.com> In-Reply-To: <20240614185300.1086701-1-denkenz@gmail.com> References: <20240614185300.1086701-1-denkenz@gmail.com> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit
Series	[01/27] qmi: Remove qmi_free() \| expand [01/27] qmi: Remove qmi_free() [02/27] qmi: Rename qmi_result_func_t [03/27] qmi: Drop unused major/minor information [04/27] qmi: Add qmi_qrtr_node_get_service [05/27] plugins: Add new qrtrqmi modem driver [06/27] udevng: Use new qrtrqmi driver for MHI and SoC modems [07/27] gobi: Remove qrtr support [08/27] udevng: Do not set DeviceProtocol [09/27] unit: Rename device to node [10/27] qmi: Rename qmi_device_new_qrtr to qmi_qrtr_node_new [11/27] qmi: Rename qmi_device_new_qmux to qmi_qmux_device_new [12/27] unit: Drop use of qmi_service_create_shared [13/27] qmi: qmux: Make shared service creation generic [14/27] qmi: Rename qmi_device_get_service_version [15/27] qmi: sms: Require at WMS version 1.2+ [16/27] qmi: Rework qmi_service_get_version [17/27] qmi: break up qmi_device_free into qrtr & qmux variants [18/27] qmi: Convert DBG statements to __debug_device [19/27] qmi: introduce qmi_qrtr_node_lookup [20/27] qmi: split qmi_device_has_service into QRTR and QMUX version [21/27] qmi: split qmi_device_set_debug into QRTR and QMUX versions [22/27] qmi: Make qmi_qrtr_node methods take struct qmi_qrtr_node [23/27] qmi: Move expected data format handling into gobi [24/27] qmi: Rename and refactor qmi_device_discover [25/27] qmi: Rename qmi_device_shutdown [26/27] qmi: Rename qmi_device_qmux to qmi_qmux_device [27/27] qmi: Make qmux methods operate on 'qmi_qmux_device'

diff --git a/drivers/qmimodem/qmi.c b/drivers/qmimodem/qmi.c index 306ca6092e5c..5576c520bb08 100644 --- a/drivers/qmimodem/qmi.c +++ b/drivers/qmimodem/qmi.c @@ -65,9 +65,6 @@ struct qmi_request { struct qmi_device_ops { int (*write)(struct qmi_device *device, struct qmi_request *req); - int (*discover)(struct qmi_device *device, - qmi_discover_func_t discover_func, - void *user, qmi_destroy_func_t destroy); void (*client_release)(struct qmi_device *device, uint16_t service_type, uint16_t client_id); int (*shutdown)(struct qmi_device *device, @@ -105,6 +102,13 @@ struct qmi_device_qmux { qmi_destroy_func_t shutdown_destroy; struct l_idle *shutdown_idle; unsigned int release_users; + struct { + qmi_qmux_device_discover_func_t func; + void *user_data; + qmi_destroy_func_t destroy; + struct l_timeout *timeout; + uint16_t tid; + } discover; uint8_t next_control_tid; struct l_queue *control_queue; bool shutting_down : 1; @@ -981,41 +985,6 @@ bool qmi_qmux_device_has_service(struct qmi_device *device, uint16_t type) return __find_service_info_by_type(device, type); } -struct discover_data { - struct discovery super; - struct qmi_device *device; - qmi_discover_func_t func; - void *user_data; - qmi_destroy_func_t destroy; - uint16_t tid; - struct l_timeout *timeout; -}; - -static void discover_data_free(void *user_data) -{ - struct discover_data *data = user_data; - - if (data->timeout) - l_timeout_remove(data->timeout); - - if (data->destroy) - data->destroy(data->user_data); - - l_free(data); -} - -int qmi_device_discover(struct qmi_device *device, qmi_discover_func_t func, - void *user_data, qmi_destroy_func_t destroy) -{ - if (!device) - return -EINVAL; - - if (!device->ops->discover) - return -ENOTSUP; - - return device->ops->discover(device, func, user_data, destroy); -} - int qmi_device_shutdown(struct qmi_device *device, qmi_shutdown_func_t func, void *user_data, qmi_destroy_func_t destroy) { @@ -1255,37 +1224,31 @@ static struct qmi_request *find_control_request(struct qmi_device_qmux *qmux, return req; } -static void qmux_sync_callback(uint16_t message, uint16_t length, - const void *buffer, void *user_data) +static void __qmux_discovery_finished(struct qmi_device_qmux *qmux) { - struct discover_data *data = user_data; + l_timeout_remove(qmux->discover.timeout); + qmux->discover.func(qmux->discover.user_data); - DISCOVERY_DONE(data, data->user_data); -} + if (qmux->discover.destroy) + qmux->discover.destroy(qmux->discover.user_data); -/* sync will release all previous clients */ -static bool qmi_device_qmux_sync(struct qmi_device_qmux *qmux, - struct discover_data *data) -{ - struct qmi_request *req; - - DEBUG(&qmux->debug, "Sending sync to reset QMI"); + memset(&qmux->discover, 0, sizeof(qmux->discover)); +} - req = __control_request_alloc(QMI_CTL_SYNC, NULL, 0, - qmux_sync_callback, data); - __ctl_request_submit(qmux, req); +static void qmux_sync_callback(uint16_t message, uint16_t length, + const void *buffer, void *user_data) +{ + struct qmi_device_qmux *qmux = user_data; - return true; + __qmux_discovery_finished(qmux); } static void qmux_discover_callback(uint16_t message, uint16_t length, const void *buffer, void *user_data) { - struct discover_data *data = user_data; - struct qmi_device *device = data->device; - struct qmi_device_qmux *qmux = - l_container_of(device, struct qmi_device_qmux, super); + struct qmi_device_qmux *qmux = user_data; + struct qmi_device *device = &qmux->super; const struct qmi_result_code *result_code; const struct qmi_service_list *service_list; const void *ptr; @@ -1344,69 +1307,68 @@ static void qmux_discover_callback(uint16_t message, uint16_t length, DEBUG(&qmux->debug, "version string: %s", qmux->version_str); done: - /* if the device support the QMI call SYNC over the CTL interface */ + /* + * If the device support the QMI call SYNC over the CTL interface, + * invoke it to reset the state, including release all previously + * allocated clients + */ if ((qmux->control_major == 1 && qmux->control_minor >= 5) || qmux->control_major > 1) { - qmi_device_qmux_sync(qmux, data); + struct qmi_request *req = + __control_request_alloc(QMI_CTL_SYNC, NULL, 0, + qmux_sync_callback, qmux); + + DEBUG(&qmux->debug, "Sending sync to reset QMI"); + qmux->discover.tid = __ctl_request_submit(qmux, req); return; } - DISCOVERY_DONE(data, data->user_data); + __qmux_discovery_finished(qmux); } static void qmux_discover_reply_timeout(struct l_timeout *timeout, void *user_data) { - struct discover_data *data = user_data; - struct qmi_device *device = data->device; + struct qmi_device *device = user_data; struct qmi_device_qmux *qmux = l_container_of(device, struct qmi_device_qmux, super); struct qmi_request *req; - l_timeout_remove(data->timeout); - data->timeout = NULL; - /* remove request from queues */ - req = find_control_request(qmux, data->tid); - - DISCOVERY_DONE(data, data->user_data); - + req = find_control_request(qmux, qmux->discover.tid); if (req) __request_free(req); + + __qmux_discovery_finished(qmux); } -static int qmi_device_qmux_discover(struct qmi_device *device, - qmi_discover_func_t func, - void *user_data, - qmi_destroy_func_t destroy) +int qmi_qmux_device_discover(struct qmi_device *device, + qmi_qmux_device_discover_func_t func, + void *user_data, qmi_destroy_func_t destroy) { - struct qmi_device_qmux *qmux = - l_container_of(device, struct qmi_device_qmux, super); - struct discover_data *data; + struct qmi_device_qmux *qmux; struct qmi_request *req; - DEBUG(&qmux->debug, "device %p", qmux); + if (!device) + return -EINVAL; - if (l_queue_length(device->service_infos) > 0) - return -EALREADY; + qmux = l_container_of(device, struct qmi_device_qmux, super); - data = l_new(struct discover_data, 1); + DEBUG(&qmux->debug, "device %p", qmux); - data->super.destroy = discover_data_free; - data->device = device; - data->func = func; - data->user_data = user_data; - data->destroy = destroy; + if (l_queue_length(device->service_infos) > 0 || qmux->discover.tid) + return -EALREADY; req = __control_request_alloc(QMI_CTL_GET_VERSION_INFO, NULL, 0, - qmux_discover_callback, data); + qmux_discover_callback, qmux); - data->tid = __ctl_request_submit(qmux, req); - data->timeout = l_timeout_create(DISCOVER_TIMEOUT, - qmux_discover_reply_timeout, - data, NULL); - - __qmi_device_discovery_started(device, &data->super); + qmux->discover.func = func; + qmux->discover.user_data = user_data; + qmux->discover.destroy = destroy; + qmux->discover.tid = __ctl_request_submit(qmux, req); + qmux->discover.timeout = + l_timeout_create(DISCOVER_TIMEOUT, qmux_discover_reply_timeout, + qmux, NULL); return 0; } @@ -1593,6 +1555,9 @@ static void __qmux_device_free(struct qmi_device_qmux *qmux) { l_queue_destroy(qmux->control_queue, __request_free); + if (qmux->discover.destroy) + qmux->discover.destroy(qmux->discover.user_data); + if (qmux->shutdown_idle) l_idle_remove(qmux->shutdown_idle); @@ -1658,7 +1623,6 @@ static int qmi_device_qmux_shutdown(struct qmi_device *device, static const struct qmi_device_ops qmux_ops = { .write = qmi_device_qmux_write, - .discover = qmi_device_qmux_discover, .client_release = qmi_device_qmux_client_release, .shutdown = qmi_device_qmux_shutdown, }; diff --git a/drivers/qmimodem/qmi.h b/drivers/qmimodem/qmi.h index 702e8c5006b5..e5c99ab8b674 100644 --- a/drivers/qmimodem/qmi.h +++ b/drivers/qmimodem/qmi.h @@ -58,7 +58,7 @@ struct qmi_service; typedef void (*qmi_debug_func_t)(const char *str, void *user_data); typedef void (*qmi_shutdown_func_t)(void *user_data); -typedef void (*qmi_discover_func_t)(void *user_data); +typedef void (*qmi_qmux_device_discover_func_t)(void *user_data); typedef void (*qmi_qmux_device_create_client_func_t)(struct qmi_service *, void *); typedef void (*qmi_qrtr_node_lookup_done_func_t)(void *); @@ -69,6 +69,9 @@ struct qmi_device *qmi_qmux_device_new(const char *device); void qmi_qmux_device_free(struct qmi_device *device); void qmi_qmux_device_set_debug(struct qmi_device *device, qmi_debug_func_t func, void *user_data); +int qmi_qmux_device_discover(struct qmi_device *device, + qmi_qmux_device_discover_func_t func, + void *user_data, qmi_destroy_func_t destroy); bool qmi_qmux_device_create_client(struct qmi_device *device, uint16_t service_type, qmi_qmux_device_create_client_func_t func, @@ -78,8 +81,6 @@ bool qmi_qmux_device_get_service_version(struct qmi_device *device, uint16_t *major, uint16_t *minor); bool qmi_qmux_device_has_service(struct qmi_device *device, uint16_t type); -int qmi_device_discover(struct qmi_device *device, qmi_discover_func_t func, - void *user_data, qmi_destroy_func_t destroy); int qmi_device_shutdown(struct qmi_device *device, qmi_shutdown_func_t func, void *user_data, qmi_destroy_func_t destroy); diff --git a/plugins/gobi.c b/plugins/gobi.c index 9c44c887b08d..483495972843 100644 --- a/plugins/gobi.c +++ b/plugins/gobi.c @@ -499,7 +499,8 @@ static void discover_cb(void *user_data) if (!(data->features & GOBI_DMS)) { if (++data->discover_attempts < 3 && - !qmi_device_discover(data->device, discover_cb, + !qmi_qmux_device_discover(data->device, + discover_cb, modem, NULL)) return; @@ -544,7 +545,7 @@ static int gobi_enable(struct ofono_modem *modem) if (getenv("OFONO_QMI_DEBUG")) qmi_qmux_device_set_debug(data->device, gobi_debug, "QMI: "); - r = qmi_device_discover(data->device, discover_cb, modem, NULL); + r = qmi_qmux_device_discover(data->device, discover_cb, modem, NULL); if (!r) return -EINPROGRESS;

[24/27] qmi: Rename and refactor qmi_device_discover

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