diff options
Diffstat (limited to 'drivers/staging/vc04_services')
9 files changed, 449 insertions, 691 deletions
diff --git a/drivers/staging/vc04_services/interface/TODO b/drivers/staging/vc04_services/interface/TODO index 6d9d4a800aa7..05eb5140d096 100644 --- a/drivers/staging/vc04_services/interface/TODO +++ b/drivers/staging/vc04_services/interface/TODO @@ -23,11 +23,6 @@ should properly handle a module unload. This also includes that all resources must be freed (kthreads, debugfs entries, ...) and global variables avoided. -* Cleanup logging mechanism - -The driver should probably be using the standard kernel logging mechanisms -such as dev_info, dev_dbg, and friends. - * Documentation A short top-down description of this driver's architecture (function of diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c index 9fb8f657cc78..1579bd4e5263 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c @@ -255,8 +255,7 @@ create_pagelist(struct vchiq_instance *instance, char *buf, char __user *ubuf, pagelist = dma_alloc_coherent(instance->state->dev, pagelist_size, &dma_addr, GFP_KERNEL); - vchiq_log_trace(instance->state->dev, VCHIQ_ARM, - "%s - %pK", __func__, pagelist); + dev_dbg(instance->state->dev, "arm: %pK\n", pagelist); if (!pagelist) return NULL; @@ -311,9 +310,8 @@ create_pagelist(struct vchiq_instance *instance, char *buf, char __user *ubuf, type == PAGELIST_READ, pages); if (actual_pages != num_pages) { - vchiq_log_debug(instance->state->dev, VCHIQ_ARM, - "%s - only %d/%d pages locked", - __func__, actual_pages, num_pages); + dev_dbg(instance->state->dev, "arm: Only %d/%d pages locked\n", + actual_pages, num_pages); /* This is probably due to the process being killed */ if (actual_pages > 0) @@ -407,8 +405,7 @@ free_pagelist(struct vchiq_instance *instance, struct vchiq_pagelist_info *pagel struct page **pages = pagelistinfo->pages; unsigned int num_pages = pagelistinfo->num_pages; - vchiq_log_trace(instance->state->dev, VCHIQ_ARM, - "%s - %pK, %d", __func__, pagelistinfo->pagelist, actual); + dev_dbg(instance->state->dev, "arm: %pK, %d\n", pagelistinfo->pagelist, actual); /* * NOTE: dma_unmap_sg must be called before the @@ -556,8 +553,8 @@ static int vchiq_platform_init(struct platform_device *pdev, struct vchiq_state return -ENXIO; } - vchiq_log_debug(&pdev->dev, VCHIQ_ARM, "vchiq_init - done (slots %pK, phys %pad)", - vchiq_slot_zero, &slot_phys); + dev_dbg(&pdev->dev, "arm: vchiq_init - done (slots %pK, phys %pad)\n", + vchiq_slot_zero, &slot_phys); vchiq_call_connected_callbacks(); @@ -659,13 +656,9 @@ vchiq_complete_bulk(struct vchiq_instance *instance, struct vchiq_bulk *bulk) bulk->actual); } -int vchiq_dump_platform_state(void *dump_context) +void vchiq_dump_platform_state(struct seq_file *f) { - char buf[80]; - int len; - - len = snprintf(buf, sizeof(buf), " Platform: 2835 (VC master)"); - return vchiq_dump(dump_context, buf, len + 1); + seq_puts(f, " Platform: 2835 (VC master)\n"); } #define VCHIQ_INIT_RETRIES 10 @@ -687,19 +680,17 @@ int vchiq_initialise(struct vchiq_instance **instance_out) usleep_range(500, 600); } if (i == VCHIQ_INIT_RETRIES) { - vchiq_log_error(state->dev, VCHIQ_CORE, "%s: videocore not initialized\n", - __func__); + dev_err(state->dev, "core: %s: Videocore not initialized\n", __func__); ret = -ENOTCONN; goto failed; } else if (i > 0) { - vchiq_log_warning(state->dev, VCHIQ_CORE, - "%s: videocore initialized after %d retries\n", __func__, i); + dev_warn(state->dev, "core: %s: videocore initialized after %d retries\n", + __func__, i); } instance = kzalloc(sizeof(*instance), GFP_KERNEL); if (!instance) { - vchiq_log_error(state->dev, VCHIQ_CORE, - "%s: error allocating vchiq instance\n", __func__); + dev_err(state->dev, "core: %s: Cannot allocate vchiq instance\n", __func__); ret = -ENOMEM; goto failed; } @@ -714,8 +705,7 @@ int vchiq_initialise(struct vchiq_instance **instance_out) ret = 0; failed: - vchiq_log_trace(state->dev, VCHIQ_CORE, - "%s(%p): returning %d", __func__, instance, ret); + dev_dbg(state->dev, "core: (%p): returning %d\n", instance, ret); return ret; } @@ -728,9 +718,9 @@ void free_bulk_waiter(struct vchiq_instance *instance) list_for_each_entry_safe(waiter, next, &instance->bulk_waiter_list, list) { list_del(&waiter->list); - vchiq_log_debug(instance->state->dev, VCHIQ_ARM, - "bulk_waiter - cleaned up %pK for pid %d", - waiter, waiter->pid); + dev_dbg(instance->state->dev, + "arm: bulk_waiter - cleaned up %pK for pid %d\n", + waiter, waiter->pid); kfree(waiter); } } @@ -748,8 +738,7 @@ int vchiq_shutdown(struct vchiq_instance *instance) mutex_unlock(&state->mutex); - vchiq_log_trace(state->dev, VCHIQ_CORE, - "%s(%p): returning %d", __func__, instance, status); + dev_dbg(state->dev, "core: (%p): returning %d\n", instance, status); free_bulk_waiter(instance); kfree(instance); @@ -769,8 +758,8 @@ int vchiq_connect(struct vchiq_instance *instance) struct vchiq_state *state = instance->state; if (mutex_lock_killable(&state->mutex)) { - vchiq_log_trace(state->dev, VCHIQ_CORE, - "%s: call to mutex_lock failed", __func__); + dev_dbg(state->dev, + "core: call to mutex_lock failed\n"); status = -EAGAIN; goto failed; } @@ -782,8 +771,7 @@ int vchiq_connect(struct vchiq_instance *instance) mutex_unlock(&state->mutex); failed: - vchiq_log_trace(state->dev, VCHIQ_CORE, - "%s(%p): returning %d", __func__, instance, status); + dev_dbg(state->dev, "core: (%p): returning %d\n", instance, status); return status; } @@ -814,8 +802,7 @@ vchiq_add_service(struct vchiq_instance *instance, status = -EINVAL; } - vchiq_log_trace(state->dev, VCHIQ_CORE, - "%s(%p): returning %d", __func__, instance, status); + dev_dbg(state->dev, "core: (%p): returning %d\n", instance, status); return status; } @@ -846,8 +833,7 @@ vchiq_open_service(struct vchiq_instance *instance, } failed: - vchiq_log_trace(state->dev, VCHIQ_CORE, - "%s(%p): returning %d", __func__, instance, status); + dev_dbg(state->dev, "core: (%p): returning %d\n", instance, status); return status; } @@ -971,8 +957,7 @@ vchiq_blocking_bulk_transfer(struct vchiq_instance *instance, unsigned int handl } else { waiter = kzalloc(sizeof(*waiter), GFP_KERNEL); if (!waiter) { - vchiq_log_error(service->state->dev, VCHIQ_CORE, - "%s - out of memory", __func__); + dev_err(service->state->dev, "core: %s: - Out of memory\n", __func__); return -ENOMEM; } } @@ -995,9 +980,8 @@ vchiq_blocking_bulk_transfer(struct vchiq_instance *instance, unsigned int handl mutex_lock(&instance->bulk_waiter_list_mutex); list_add(&waiter->list, &instance->bulk_waiter_list); mutex_unlock(&instance->bulk_waiter_list_mutex); - vchiq_log_debug(instance->state->dev, VCHIQ_ARM, - "saved bulk_waiter %pK for pid %d", waiter, - current->pid); + dev_dbg(instance->state->dev, "arm: saved bulk_waiter %pK for pid %d\n", + waiter, current->pid); } return status; @@ -1017,16 +1001,13 @@ add_completion(struct vchiq_instance *instance, enum vchiq_reason reason, while ((insert - instance->completion_remove) >= MAX_COMPLETIONS) { /* Out of space - wait for the client */ DEBUG_TRACE(SERVICE_CALLBACK_LINE); - vchiq_log_trace(instance->state->dev, VCHIQ_CORE, - "%s - completion queue full", __func__); + dev_dbg(instance->state->dev, "core: completion queue full\n"); DEBUG_COUNT(COMPLETION_QUEUE_FULL_COUNT); if (wait_for_completion_interruptible(&instance->remove_event)) { - vchiq_log_debug(instance->state->dev, VCHIQ_ARM, - "service_callback interrupted"); + dev_dbg(instance->state->dev, "arm: service_callback interrupted\n"); return -EAGAIN; } else if (instance->closing) { - vchiq_log_debug(instance->state->dev, VCHIQ_ARM, - "service_callback closing"); + dev_dbg(instance->state->dev, "arm: service_callback closing\n"); return 0; } DEBUG_TRACE(SERVICE_CALLBACK_LINE); @@ -1106,11 +1087,10 @@ service_callback(struct vchiq_instance *instance, enum vchiq_reason reason, vchiq_service_get(service); rcu_read_unlock(); - vchiq_log_trace(service->state->dev, VCHIQ_ARM, - "%s - service %lx(%d,%p), reason %d, header %lx, instance %lx, bulk_userdata %lx", - __func__, (unsigned long)user_service, service->localport, - user_service->userdata, reason, (unsigned long)header, - (unsigned long)instance, (unsigned long)bulk_userdata); + dev_dbg(service->state->dev, + "arm: service %p(%d,%p), reason %d, header %p, instance %p, bulk_userdata %p\n", + user_service, service->localport, user_service->userdata, + reason, header, instance, bulk_userdata); if (header && user_service->is_vchi) { spin_lock(&msg_queue_spinlock); @@ -1119,8 +1099,7 @@ service_callback(struct vchiq_instance *instance, enum vchiq_reason reason, spin_unlock(&msg_queue_spinlock); DEBUG_TRACE(SERVICE_CALLBACK_LINE); DEBUG_COUNT(MSG_QUEUE_FULL_COUNT); - vchiq_log_trace(service->state->dev, VCHIQ_ARM, - "%s - msg queue full", __func__); + dev_dbg(service->state->dev, "arm: msg queue full\n"); /* * If there is no MESSAGE_AVAILABLE in the completion * queue, add one @@ -1129,8 +1108,8 @@ service_callback(struct vchiq_instance *instance, enum vchiq_reason reason, instance->completion_remove) < 0) { int status; - vchiq_log_debug(instance->state->dev, VCHIQ_ARM, - "Inserting extra MESSAGE_AVAILABLE"); + dev_dbg(instance->state->dev, + "arm: Inserting extra MESSAGE_AVAILABLE\n"); DEBUG_TRACE(SERVICE_CALLBACK_LINE); status = add_completion(instance, reason, NULL, user_service, bulk_userdata); @@ -1143,14 +1122,12 @@ service_callback(struct vchiq_instance *instance, enum vchiq_reason reason, DEBUG_TRACE(SERVICE_CALLBACK_LINE); if (wait_for_completion_interruptible(&user_service->remove_event)) { - vchiq_log_debug(instance->state->dev, VCHIQ_ARM, - "%s interrupted", __func__); + dev_dbg(instance->state->dev, "arm: interrupted\n"); DEBUG_TRACE(SERVICE_CALLBACK_LINE); vchiq_service_put(service); return -EAGAIN; } else if (instance->closing) { - vchiq_log_debug(instance->state->dev, VCHIQ_ARM, - "%s closing", __func__); + dev_dbg(instance->state->dev, "arm: closing\n"); DEBUG_TRACE(SERVICE_CALLBACK_LINE); vchiq_service_put(service); return -EINVAL; @@ -1190,56 +1167,13 @@ service_callback(struct vchiq_instance *instance, enum vchiq_reason reason, bulk_userdata); } -int vchiq_dump(void *dump_context, const char *str, int len) -{ - struct dump_context *context = (struct dump_context *)dump_context; - int copy_bytes; - - if (context->actual >= context->space) - return 0; - - if (context->offset > 0) { - int skip_bytes = min_t(int, len, context->offset); - - str += skip_bytes; - len -= skip_bytes; - context->offset -= skip_bytes; - if (context->offset > 0) - return 0; - } - copy_bytes = min_t(int, len, context->space - context->actual); - if (copy_bytes == 0) - return 0; - if (copy_to_user(context->buf + context->actual, str, - copy_bytes)) - return -EFAULT; - context->actual += copy_bytes; - len -= copy_bytes; - - /* - * If the terminating NUL is included in the length, then it - * marks the end of a line and should be replaced with a - * carriage return. - */ - if ((len == 0) && (str[copy_bytes - 1] == '\0')) { - char cr = '\n'; - - if (copy_to_user(context->buf + context->actual - 1, - &cr, 1)) - return -EFAULT; - } - return 0; -} - -int vchiq_dump_platform_instances(void *dump_context) +void vchiq_dump_platform_instances(struct seq_file *f) { struct vchiq_state *state = vchiq_get_state(); - char buf[80]; - int len; int i; if (!state) - return -ENOTCONN; + return; /* * There is no list of instances, so instead scan all services, @@ -1264,7 +1198,6 @@ int vchiq_dump_platform_instances(void *dump_context) for (i = 0; i < state->unused_service; i++) { struct vchiq_service *service; struct vchiq_instance *instance; - int err; rcu_read_lock(); service = rcu_dereference(state->services[i]); @@ -1280,43 +1213,35 @@ int vchiq_dump_platform_instances(void *dump_context) } rcu_read_unlock(); - len = snprintf(buf, sizeof(buf), - "Instance %pK: pid %d,%s completions %d/%d", - instance, instance->pid, - instance->connected ? " connected, " : - "", - instance->completion_insert - - instance->completion_remove, - MAX_COMPLETIONS); - err = vchiq_dump(dump_context, buf, len + 1); - if (err) - return err; + seq_printf(f, "Instance %pK: pid %d,%s completions %d/%d\n", + instance, instance->pid, + instance->connected ? " connected, " : + "", + instance->completion_insert - + instance->completion_remove, + MAX_COMPLETIONS); instance->mark = 1; } - return 0; } -int vchiq_dump_platform_service_state(void *dump_context, - struct vchiq_service *service) +void vchiq_dump_platform_service_state(struct seq_file *f, + struct vchiq_service *service) { struct user_service *user_service = (struct user_service *)service->base.userdata; - char buf[80]; - int len; - len = scnprintf(buf, sizeof(buf), " instance %pK", service->instance); + seq_printf(f, " instance %pK", service->instance); if ((service->base.callback == service_callback) && user_service->is_vchi) { - len += scnprintf(buf + len, sizeof(buf) - len, ", %d/%d messages", - user_service->msg_insert - user_service->msg_remove, - MSG_QUEUE_SIZE); + seq_printf(f, ", %d/%d messages", + user_service->msg_insert - user_service->msg_remove, + MSG_QUEUE_SIZE); if (user_service->dequeue_pending) - len += scnprintf(buf + len, sizeof(buf) - len, - " (dequeue pending)"); + seq_puts(f, " (dequeue pending)"); } - return vchiq_dump(dump_context, buf, len + 1); + seq_puts(f, "\n"); } struct vchiq_state * @@ -1346,8 +1271,8 @@ vchiq_keepalive_vchiq_callback(struct vchiq_instance *instance, struct vchiq_header *header, unsigned int service_user, void *bulk_user) { - vchiq_log_error(instance->state->dev, VCHIQ_SUSPEND, - "%s callback reason %d", __func__, reason); + dev_err(instance->state->dev, "suspend: %s: callback reason %d\n", + __func__, reason); return 0; } @@ -1371,22 +1296,20 @@ vchiq_keepalive_thread_func(void *v) ret = vchiq_initialise(&instance); if (ret) { - vchiq_log_error(state->dev, VCHIQ_SUSPEND, - "%s vchiq_initialise failed %d", __func__, ret); + dev_err(state->dev, "suspend: %s: vchiq_initialise failed %d\n", __func__, ret); goto exit; } status = vchiq_connect(instance); if (status) { - vchiq_log_error(state->dev, VCHIQ_SUSPEND, - "%s vchiq_connect failed %d", __func__, status); + dev_err(state->dev, "suspend: %s: vchiq_connect failed %d\n", __func__, status); goto shutdown; } status = vchiq_add_service(instance, ¶ms, &ka_handle); if (status) { - vchiq_log_error(state->dev, VCHIQ_SUSPEND, - "%s vchiq_open_service failed %d", __func__, status); + dev_err(state->dev, "suspend: %s: vchiq_open_service failed %d\n", + __func__, status); goto shutdown; } @@ -1394,8 +1317,7 @@ vchiq_keepalive_thread_func(void *v) long rc = 0, uc = 0; if (wait_for_completion_interruptible(&arm_state->ka_evt)) { - vchiq_log_error(state->dev, VCHIQ_SUSPEND, - "%s interrupted", __func__); + dev_err(state->dev, "suspend: %s: interrupted\n", __func__); flush_signals(current); continue; } @@ -1415,16 +1337,15 @@ vchiq_keepalive_thread_func(void *v) atomic_inc(&arm_state->ka_use_ack_count); status = vchiq_use_service(instance, ka_handle); if (status) { - vchiq_log_error(state->dev, VCHIQ_SUSPEND, - "%s vchiq_use_service error %d", __func__, status); + dev_err(state->dev, "suspend: %s: vchiq_use_service error %d\n", + __func__, status); } } while (rc--) { status = vchiq_release_service(instance, ka_handle); if (status) { - vchiq_log_error(state->dev, VCHIQ_SUSPEND, - "%s vchiq_release_service error %d", __func__, - status); + dev_err(state->dev, "suspend: %s: vchiq_release_service error %d\n", + __func__, status); } } } @@ -1459,7 +1380,7 @@ vchiq_use_internal(struct vchiq_state *state, struct vchiq_service *service, service->client_id); entity_uc = &service->service_use_count; } else { - vchiq_log_error(state->dev, VCHIQ_SUSPEND, "%s null service ptr", __func__); + dev_err(state->dev, "suspend: %s: null service ptr\n", __func__); ret = -EINVAL; goto out; } @@ -1468,8 +1389,8 @@ vchiq_use_internal(struct vchiq_state *state, struct vchiq_service *service, local_uc = ++arm_state->videocore_use_count; ++(*entity_uc); - vchiq_log_trace(state->dev, VCHIQ_SUSPEND, "%s %s count %d, state count %d", - __func__, entity, *entity_uc, local_uc); + dev_dbg(state->dev, "suspend: %s count %d, state count %d\n", + entity, *entity_uc, local_uc); write_unlock_bh(&arm_state->susp_res_lock); @@ -1488,7 +1409,7 @@ vchiq_use_internal(struct vchiq_state *state, struct vchiq_service *service, } out: - vchiq_log_trace(state->dev, VCHIQ_SUSPEND, "%s exit %d", __func__, ret); + dev_dbg(state->dev, "suspend: exit %d\n", ret); return ret; } @@ -1526,14 +1447,14 @@ vchiq_release_internal(struct vchiq_state *state, struct vchiq_service *service) --arm_state->videocore_use_count; --(*entity_uc); - vchiq_log_trace(state->dev, VCHIQ_SUSPEND, "%s %s count %d, state count %d", - __func__, entity, *entity_uc, arm_state->videocore_use_count); + dev_dbg(state->dev, "suspend: %s count %d, state count %d\n", + entity, *entity_uc, arm_state->videocore_use_count); unlock: write_unlock_bh(&arm_state->susp_res_lock); out: - vchiq_log_trace(state->dev, VCHIQ_SUSPEND, "%s exit %d", __func__, ret); + dev_dbg(state->dev, "suspend: exit %d\n", ret); return ret; } @@ -1707,20 +1628,19 @@ vchiq_dump_service_use_state(struct vchiq_state *state) read_unlock_bh(&arm_state->susp_res_lock); if (only_nonzero) - vchiq_log_warning(state->dev, VCHIQ_SUSPEND, - "Too many active services (%d). Only dumping up to first %d services with non-zero use-count", - active_services, found); + dev_warn(state->dev, + "suspend: Too many active services (%d). Only dumping up to first %d services with non-zero use-count\n", + active_services, found); for (i = 0; i < found; i++) { - vchiq_log_warning(state->dev, VCHIQ_SUSPEND, - "%p4cc:%d service count %d %s", - &service_data[i].fourcc, - service_data[i].clientid, service_data[i].use_count, - service_data[i].use_count ? nz : ""); + dev_warn(state->dev, + "suspend: %p4cc:%d service count %d %s\n", + &service_data[i].fourcc, + service_data[i].clientid, service_data[i].use_count, + service_data[i].use_count ? nz : ""); } - vchiq_log_warning(state->dev, VCHIQ_SUSPEND, "VCHIQ use count %d", peer_count); - vchiq_log_warning(state->dev, VCHIQ_SUSPEND, "Overall vchiq instance use count %d", - vc_use_count); + dev_warn(state->dev, "suspend: VCHIQ use count %d\n", peer_count); + dev_warn(state->dev, "suspend: Overall vchiq instance use count %d\n", vc_use_count); kfree(service_data); } @@ -1742,10 +1662,10 @@ vchiq_check_service(struct vchiq_service *service) read_unlock_bh(&arm_state->susp_res_lock); if (ret) { - vchiq_log_error(service->state->dev, VCHIQ_SUSPEND, - "%s ERROR - %p4cc:%d service count %d, state count %d", __func__, - &service->base.fourcc, service->client_id, - service->service_use_count, arm_state->videocore_use_count); + dev_err(service->state->dev, + "suspend: %s: %p4cc:%d service count %d, state count %d\n", + __func__, &service->base.fourcc, service->client_id, + service->service_use_count, arm_state->videocore_use_count); vchiq_dump_service_use_state(service->state); } out: @@ -1759,8 +1679,8 @@ void vchiq_platform_conn_state_changed(struct vchiq_state *state, struct vchiq_arm_state *arm_state = vchiq_platform_get_arm_state(state); char threadname[16]; - vchiq_log_debug(state->dev, VCHIQ_SUSPEND, "%d: %s->%s", state->id, - get_conn_state_name(oldstate), get_conn_state_name(newstate)); + dev_dbg(state->dev, "suspend: %d: %s->%s\n", + state->id, get_conn_state_name(oldstate), get_conn_state_name(newstate)); if (state->conn_state != VCHIQ_CONNSTATE_CONNECTED) return; @@ -1778,9 +1698,8 @@ void vchiq_platform_conn_state_changed(struct vchiq_state *state, (void *)state, threadname); if (IS_ERR(arm_state->ka_thread)) { - vchiq_log_error(state->dev, VCHIQ_SUSPEND, - "vchiq: FATAL: couldn't create thread %s", - threadname); + dev_err(state->dev, "suspend: Couldn't create thread %s\n", + threadname); } else { wake_up_process(arm_state->ka_thread); } @@ -1825,9 +1744,8 @@ static int vchiq_probe(struct platform_device *pdev) vchiq_debugfs_init(); - vchiq_log_debug(&pdev->dev, VCHIQ_ARM, - "vchiq: platform initialised - version %d (min %d)", - VCHIQ_VERSION, VCHIQ_VERSION_MIN); + dev_dbg(&pdev->dev, "arm: platform initialised - version %d (min %d)\n", + VCHIQ_VERSION, VCHIQ_VERSION_MIN); /* * Simply exit on error since the function handles cleanup in @@ -1835,8 +1753,7 @@ static int vchiq_probe(struct platform_device *pdev) */ err = vchiq_register_chrdev(&pdev->dev); if (err) { - vchiq_log_warning(&pdev->dev, VCHIQ_ARM, - "Failed to initialize vchiq cdev"); + dev_warn(&pdev->dev, "arm: Failed to initialize vchiq cdev\n"); goto error_exit; } @@ -1846,7 +1763,7 @@ static int vchiq_probe(struct platform_device *pdev) return 0; failed_platform_init: - vchiq_log_warning(&pdev->dev, VCHIQ_ARM, "could not initialize vchiq platform"); + dev_warn(&pdev->dev, "arm: Could not initialize vchiq platform\n"); error_exit: return err; } diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h index 7cdc3d70bd2c..7844ef765a00 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h @@ -69,13 +69,6 @@ struct vchiq_instance { struct vchiq_debugfs_node debugfs_node; }; -struct dump_context { - char __user *buf; - size_t actual; - size_t space; - loff_t offset; -}; - extern spinlock_t msg_queue_spinlock; extern struct vchiq_state g_state; diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c index b3928bd8c9c6..3cad13f09e37 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c @@ -27,7 +27,7 @@ static void connected_init(void) * be made immediately, otherwise it will be deferred until * vchiq_call_connected_callbacks is called. */ -void vchiq_add_connected_callback(void (*callback)(void)) +void vchiq_add_connected_callback(struct vchiq_device *device, void (*callback)(void)) { connected_init(); @@ -39,9 +39,9 @@ void vchiq_add_connected_callback(void (*callback)(void)) callback(); } else { if (g_num_deferred_callbacks >= MAX_CALLBACKS) { - vchiq_log_error(NULL, VCHIQ_CORE, - "There already %d callback registered - please increase MAX_CALLBACKS", - g_num_deferred_callbacks); + dev_err(&device->dev, + "core: There already %d callback registered - please increase MAX_CALLBACKS\n", + g_num_deferred_callbacks); } else { g_deferred_callback[g_num_deferred_callbacks] = callback; diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.h index 4caf5e30099d..e4ed56446f8a 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.h +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.h @@ -1,10 +1,12 @@ /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* Copyright (c) 2010-2012 Broadcom. All rights reserved. */ +#include "vchiq_bus.h" + #ifndef VCHIQ_CONNECTED_H #define VCHIQ_CONNECTED_H -void vchiq_add_connected_callback(void (*callback)(void)); +void vchiq_add_connected_callback(struct vchiq_device *device, void (*callback)(void)); void vchiq_call_connected_callbacks(void); #endif /* VCHIQ_CONNECTED_H */ diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c index 39b857da2d42..76c27778154a 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c @@ -217,10 +217,10 @@ static const char *msg_type_str(unsigned int msg_type) static inline void set_service_state(struct vchiq_service *service, int newstate) { - vchiq_log_debug(service->state->dev, VCHIQ_CORE, "%d: srv:%d %s->%s", - service->state->id, service->localport, - srvstate_names[service->srvstate], - srvstate_names[newstate]); + dev_dbg(service->state->dev, "core: %d: srv:%d %s->%s\n", + service->state->id, service->localport, + srvstate_names[service->srvstate], + srvstate_names[newstate]); service->srvstate = newstate; } @@ -245,8 +245,7 @@ find_service_by_handle(struct vchiq_instance *instance, unsigned int handle) return service; } rcu_read_unlock(); - vchiq_log_debug(service->state->dev, VCHIQ_CORE, - "Invalid service handle 0x%x", handle); + dev_dbg(instance->state->dev, "core: Invalid service handle 0x%x\n", handle); return NULL; } @@ -266,8 +265,7 @@ find_service_by_port(struct vchiq_state *state, unsigned int localport) } rcu_read_unlock(); } - vchiq_log_debug(state->dev, VCHIQ_CORE, - "Invalid port %u", localport); + dev_dbg(state->dev, "core: Invalid port %u\n", localport); return NULL; } @@ -287,8 +285,7 @@ find_service_for_instance(struct vchiq_instance *instance, unsigned int handle) return service; } rcu_read_unlock(); - vchiq_log_debug(service->state->dev, VCHIQ_CORE, - "Invalid service handle 0x%x", handle); + dev_dbg(instance->state->dev, "core: Invalid service handle 0x%x\n", handle); return NULL; } @@ -310,8 +307,7 @@ find_closed_service_for_instance(struct vchiq_instance *instance, unsigned int h return service; } rcu_read_unlock(); - vchiq_log_debug(service->state->dev, VCHIQ_CORE, - "Invalid service handle 0x%x", handle); + dev_dbg(instance->state->dev, "core: Invalid service handle 0x%x\n", handle); return service; } @@ -459,15 +455,15 @@ make_service_callback(struct vchiq_service *service, enum vchiq_reason reason, { int status; - vchiq_log_trace(service->state->dev, VCHIQ_CORE, "%d: callback:%d (%s, %pK, %pK)", - service->state->id, service->localport, reason_names[reason], - header, bulk_userdata); + dev_dbg(service->state->dev, "core: %d: callback:%d (%s, %pK, %pK)\n", + service->state->id, service->localport, reason_names[reason], + header, bulk_userdata); status = service->base.callback(service->instance, reason, header, service->handle, bulk_userdata); if (status && (status != -EAGAIN)) { - vchiq_log_warning(service->state->dev, VCHIQ_CORE, - "%d: ignoring ERROR from callback to service %x", - service->state->id, service->handle); + dev_warn(service->state->dev, + "core: %d: ignoring ERROR from callback to service %x\n", + service->state->id, service->handle); status = 0; } @@ -482,8 +478,8 @@ vchiq_set_conn_state(struct vchiq_state *state, enum vchiq_connstate newstate) { enum vchiq_connstate oldstate = state->conn_state; - vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: %s->%s", state->id, conn_state_names[oldstate], - conn_state_names[newstate]); + dev_dbg(state->dev, "core: %d: %s->%s\n", + state->id, conn_state_names[oldstate], conn_state_names[newstate]); state->conn_state = newstate; vchiq_platform_conn_state_changed(state, oldstate, newstate); } @@ -741,10 +737,10 @@ process_free_data_message(struct vchiq_state *state, u32 *service_found, */ complete("a->quota_event); } else if (count == 0) { - vchiq_log_error(state->dev, VCHIQ_CORE, - "service %d message_use_count=%d (header %pK, msgid %x, header->msgid %x, header->size %x)", - port, quota->message_use_count, header, msgid, header->msgid, - header->size); + dev_err(state->dev, + "core: service %d message_use_count=%d (header %pK, msgid %x, header->msgid %x, header->size %x)\n", + port, quota->message_use_count, header, msgid, + header->msgid, header->size); WARN(1, "invalid message use count\n"); } if (!BITSET_IS_SET(service_found, port)) { @@ -763,12 +759,12 @@ process_free_data_message(struct vchiq_state *state, u32 *service_found, * it has dropped below its quota */ complete("a->quota_event); - vchiq_log_trace(state->dev, VCHIQ_CORE, "%d: pfq:%d %x@%pK - slot_use->%d", - state->id, port, header->size, header, count - 1); + dev_dbg(state->dev, "core: %d: pfq:%d %x@%pK - slot_use->%d\n", + state->id, port, header->size, header, count - 1); } else { - vchiq_log_error(state->dev, VCHIQ_CORE, - "service %d slot_use_count=%d (header %pK, msgid %x, header->msgid %x, header->size %x)", - port, count, header, msgid, header->msgid, header->size); + dev_err(state->dev, + "core: service %d slot_use_count=%d (header %pK, msgid %x, header->msgid %x, header->size %x)\n", + port, count, header, msgid, header->msgid, header->size); WARN(1, "bad slot use count\n"); } } @@ -809,9 +805,9 @@ process_free_queue(struct vchiq_state *state, u32 *service_found, */ rmb(); - vchiq_log_trace(state->dev, VCHIQ_CORE, "%d: pfq %d=%pK %x %x", - state->id, slot_index, data, local->slot_queue_recycle, - slot_queue_available); + dev_dbg(state->dev, "core: %d: pfq %d=%pK %x %x\n", + state->id, slot_index, data, local->slot_queue_recycle, + slot_queue_available); /* Initialise the bitmask for services which have used this slot */ memset(service_found, 0, length); @@ -831,9 +827,9 @@ process_free_queue(struct vchiq_state *state, u32 *service_found, pos += calc_stride(header->size); if (pos > VCHIQ_SLOT_SIZE) { - vchiq_log_error(state->dev, VCHIQ_CORE, - "pfq - pos %x: header %pK, msgid %x, header->msgid %x, header->size %x", - pos, header, msgid, header->msgid, header->size); + dev_err(state->dev, + "core: pfq - pos %x: header %pK, msgid %x, header->msgid %x, header->size %x\n", + pos, header, msgid, header->msgid, header->size); WARN(1, "invalid slot position\n"); } } @@ -980,10 +976,10 @@ queue_message(struct vchiq_state *state, struct vchiq_service *service, ((tx_end_index != quota->previous_tx_index) && (quota->slot_use_count == quota->slot_quota))) { spin_unlock("a_spinlock); - vchiq_log_trace(state->dev, VCHIQ_CORE, - "%d: qm:%d %s,%zx - quota stall (msg %d, slot %d)", - state->id, service->localport, msg_type_str(type), size, - quota->message_use_count, quota->slot_use_count); + dev_dbg(state->dev, + "core: %d: qm:%d %s,%zx - quota stall (msg %d, slot %d)\n", + state->id, service->localport, msg_type_str(type), size, + quota->message_use_count, quota->slot_use_count); VCHIQ_SERVICE_STATS_INC(service, quota_stalls); mutex_unlock(&state->slot_mutex); if (wait_for_completion_interruptible("a->quota_event)) @@ -1023,9 +1019,9 @@ queue_message(struct vchiq_state *state, struct vchiq_service *service, int tx_end_index; int slot_use_count; - vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: qm %s@%pK,%zx (%d->%d)", state->id, - msg_type_str(VCHIQ_MSG_TYPE(msgid)), header, size, - VCHIQ_MSG_SRCPORT(msgid), VCHIQ_MSG_DSTPORT(msgid)); + dev_dbg(state->dev, "core: %d: qm %s@%pK,%zx (%d->%d)\n", + state->id, msg_type_str(VCHIQ_MSG_TYPE(msgid)), header, size, + VCHIQ_MSG_SRCPORT(msgid), VCHIQ_MSG_DSTPORT(msgid)); WARN_ON(flags & (QMFLAGS_NO_MUTEX_LOCK | QMFLAGS_NO_MUTEX_UNLOCK)); @@ -1073,17 +1069,16 @@ queue_message(struct vchiq_state *state, struct vchiq_service *service, spin_unlock("a_spinlock); if (slot_use_count) - vchiq_log_trace(state->dev, VCHIQ_CORE, - "%d: qm:%d %s,%zx - slot_use->%d (hdr %p)", state->id, - service->localport, msg_type_str(VCHIQ_MSG_TYPE(msgid)), - size, slot_use_count, header); + dev_dbg(state->dev, "core: %d: qm:%d %s,%zx - slot_use->%d (hdr %p)\n", + state->id, service->localport, msg_type_str(VCHIQ_MSG_TYPE(msgid)), + size, slot_use_count, header); VCHIQ_SERVICE_STATS_INC(service, ctrl_tx_count); VCHIQ_SERVICE_STATS_ADD(service, ctrl_tx_bytes, size); } else { - vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: qm %s@%pK,%zx (%d->%d)", state->id, - msg_type_str(VCHIQ_MSG_TYPE(msgid)), header, size, - VCHIQ_MSG_SRCPORT(msgid), VCHIQ_MSG_DSTPORT(msgid)); + dev_dbg(state->dev, "core: %d: qm %s@%pK,%zx (%d->%d)\n", + state->id, msg_type_str(VCHIQ_MSG_TYPE(msgid)), header, size, + VCHIQ_MSG_SRCPORT(msgid), VCHIQ_MSG_DSTPORT(msgid)); if (size != 0) { /* * It is assumed for now that this code path @@ -1111,11 +1106,9 @@ queue_message(struct vchiq_state *state, struct vchiq_service *service, ? service->base.fourcc : VCHIQ_MAKE_FOURCC('?', '?', '?', '?'); - vchiq_log_debug(state->dev, VCHIQ_CORE_MSG, - "Sent Msg %s(%u) to %p4cc s:%u d:%d len:%zu", - msg_type_str(VCHIQ_MSG_TYPE(msgid)), VCHIQ_MSG_TYPE(msgid), - &svc_fourcc, VCHIQ_MSG_SRCPORT(msgid), - VCHIQ_MSG_DSTPORT(msgid), size); + dev_dbg(state->dev, "core_msg: Sent Msg %s(%u) to %p4cc s:%u d:%d len:%zu\n", + msg_type_str(VCHIQ_MSG_TYPE(msgid)), VCHIQ_MSG_TYPE(msgid), + &svc_fourcc, VCHIQ_MSG_SRCPORT(msgid), VCHIQ_MSG_DSTPORT(msgid), size); } /* Make sure the new header is visible to the peer. */ @@ -1167,15 +1160,13 @@ queue_message_sync(struct vchiq_state *state, struct vchiq_service *service, int oldmsgid = header->msgid; if (oldmsgid != VCHIQ_MSGID_PADDING) - vchiq_log_error(state->dev, VCHIQ_CORE, "%d: qms - msgid %x, not PADDING", - state->id, oldmsgid); + dev_err(state->dev, "core: %d: qms - msgid %x, not PADDING\n", + state->id, oldmsgid); } - vchiq_log_debug(state->dev, VCHIQ_SYNC, - "%d: qms %s@%pK,%x (%d->%d)", state->id, - msg_type_str(VCHIQ_MSG_TYPE(msgid)), - header, size, VCHIQ_MSG_SRCPORT(msgid), - VCHIQ_MSG_DSTPORT(msgid)); + dev_dbg(state->dev, "sync: %d: qms %s@%pK,%x (%d->%d)\n", + state->id, msg_type_str(VCHIQ_MSG_TYPE(msgid)), header, size, + VCHIQ_MSG_SRCPORT(msgid), VCHIQ_MSG_DSTPORT(msgid)); callback_result = copy_message_data(copy_callback, context, @@ -1205,11 +1196,11 @@ queue_message_sync(struct vchiq_state *state, struct vchiq_service *service, svc_fourcc = service ? service->base.fourcc : VCHIQ_MAKE_FOURCC('?', '?', '?', '?'); - vchiq_log_trace(state->dev, VCHIQ_SYNC, - "Sent Sync Msg %s(%u) to %p4cc s:%u d:%d len:%d", - msg_type_str(VCHIQ_MSG_TYPE(msgid)), VCHIQ_MSG_TYPE(msgid), - &svc_fourcc, VCHIQ_MSG_SRCPORT(msgid), - VCHIQ_MSG_DSTPORT(msgid), size); + dev_dbg(state->dev, + "sync: Sent Sync Msg %s(%u) to %p4cc s:%u d:%d len:%d\n", + msg_type_str(VCHIQ_MSG_TYPE(msgid)), VCHIQ_MSG_TYPE(msgid), + &svc_fourcc, VCHIQ_MSG_SRCPORT(msgid), + VCHIQ_MSG_DSTPORT(msgid), size); remote_event_signal(&state->remote->sync_trigger); @@ -1261,9 +1252,9 @@ release_slot(struct vchiq_state *state, struct vchiq_slot_info *slot_info, VCHIQ_SLOT_QUEUE_MASK] = SLOT_INDEX_FROM_INFO(state, slot_info); state->remote->slot_queue_recycle = slot_queue_recycle + 1; - vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: %s %d - recycle->%x", - state->id, __func__, SLOT_INDEX_FROM_INFO(state, slot_info), - state->remote->slot_queue_recycle); + dev_dbg(state->dev, "core: %d: %d - recycle->%x\n", + state->id, SLOT_INDEX_FROM_INFO(state, slot_info), + state->remote->slot_queue_recycle); /* * A write barrier is necessary, but remote_event_signal @@ -1298,11 +1289,11 @@ notify_bulks(struct vchiq_service *service, struct vchiq_bulk_queue *queue, { int status = 0; - vchiq_log_trace(service->state->dev, VCHIQ_CORE, - "%d: nb:%d %cx - p=%x rn=%x r=%x", - service->state->id, service->localport, - (queue == &service->bulk_tx) ? 't' : 'r', - queue->process, queue->remote_notify, queue->remove); + dev_dbg(service->state->dev, + "core: %d: nb:%d %cx - p=%x rn=%x r=%x\n", + service->state->id, service->localport, + (queue == &service->bulk_tx) ? 't' : 'r', + queue->process, queue->remote_notify, queue->remove); queue->remote_notify = queue->process; @@ -1382,8 +1373,8 @@ poll_services_of_group(struct vchiq_state *state, int group) service_flags = atomic_xchg(&service->poll_flags, 0); if (service_flags & BIT(VCHIQ_POLL_REMOVE)) { - vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: ps - remove %d<->%d", - state->id, service->localport, service->remoteport); + dev_dbg(state->dev, "core: %d: ps - remove %d<->%d\n", + state->id, service->localport, service->remoteport); /* * Make it look like a client, because @@ -1395,8 +1386,8 @@ poll_services_of_group(struct vchiq_state *state, int group) if (vchiq_close_service_internal(service, NO_CLOSE_RECVD)) request_poll(state, service, VCHIQ_POLL_REMOVE); } else if (service_flags & BIT(VCHIQ_POLL_TERMINATE)) { - vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: ps - terminate %d<->%d", - state->id, service->localport, service->remoteport); + dev_dbg(state->dev, "core: %d: ps - terminate %d<->%d\n", + state->id, service->localport, service->remoteport); if (vchiq_close_service_internal(service, NO_CLOSE_RECVD)) request_poll(state, service, VCHIQ_POLL_TERMINATE); } @@ -1425,11 +1416,11 @@ abort_outstanding_bulks(struct vchiq_service *service, { int is_tx = (queue == &service->bulk_tx); - vchiq_log_trace(service->state->dev, VCHIQ_CORE, - "%d: aob:%d %cx - li=%x ri=%x p=%x", - service->state->id, service->localport, - is_tx ? 't' : 'r', queue->local_insert, - queue->remote_insert, queue->process); + dev_dbg(service->state->dev, + "core: %d: aob:%d %cx - li=%x ri=%x p=%x\n", + service->state->id, service->localport, + is_tx ? 't' : 'r', queue->local_insert, + queue->remote_insert, queue->process); WARN_ON((int)(queue->local_insert - queue->process) < 0); WARN_ON((int)(queue->remote_insert - queue->process) < 0); @@ -1448,11 +1439,11 @@ abort_outstanding_bulks(struct vchiq_service *service, if (queue->process != queue->local_insert) { vchiq_complete_bulk(service->instance, bulk); - vchiq_log_debug(service->state->dev, VCHIQ_CORE_MSG, - "%s %p4cc d:%d ABORTED - tx len:%d, rx len:%d", - is_tx ? "Send Bulk to" : "Recv Bulk from", - &service->base.fourcc, - service->remoteport, bulk->size, bulk->remote_size); + dev_dbg(service->state->dev, + "core_msg: %s %p4cc d:%d ABORTED - tx len:%d, rx len:%d\n", + is_tx ? "Send Bulk to" : "Recv Bulk from", + &service->base.fourcc, + service->remoteport, bulk->size, bulk->remote_size); } else { /* fabricate a matching dummy bulk */ bulk->data = 0; @@ -1485,8 +1476,8 @@ parse_open(struct vchiq_state *state, struct vchiq_header *header) payload = (struct vchiq_open_payload *)header->data; fourcc = payload->fourcc; - vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: prs OPEN@%pK (%d->'%p4cc')", - state->id, header, localport, &fourcc); + dev_dbg(state->dev, "core: %d: prs OPEN@%pK (%d->'%p4cc')\n", + state->id, header, localport, &fourcc); service = get_listening_service(state, fourcc); if (!service) @@ -1609,17 +1600,17 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) vchiq_service_put(service); service = get_connected_service(state, remoteport); if (service) - vchiq_log_warning(state->dev, VCHIQ_CORE, - "%d: prs %s@%pK (%d->%d) - found connected service %d", - state->id, msg_type_str(type), header, - remoteport, localport, service->localport); + dev_warn(state->dev, + "core: %d: prs %s@%pK (%d->%d) - found connected service %d\n", + state->id, msg_type_str(type), header, + remoteport, localport, service->localport); } if (!service) { - vchiq_log_error(state->dev, VCHIQ_CORE, - "%d: prs %s@%pK (%d->%d) - invalid/closed service %d", - state->id, msg_type_str(type), header, remoteport, - localport, localport); + dev_err(state->dev, + "core: %d: prs %s@%pK (%d->%d) - invalid/closed service %d\n", + state->id, msg_type_str(type), header, remoteport, + localport, localport); goto skip_message; } break; @@ -1631,18 +1622,15 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) svc_fourcc = service ? service->base.fourcc : VCHIQ_MAKE_FOURCC('?', '?', '?', '?'); - vchiq_log_debug(state->dev, VCHIQ_CORE_MSG, - "Rcvd Msg %s(%u) from %p4cc s:%d d:%d len:%d", - msg_type_str(type), type, &svc_fourcc, - remoteport, localport, size); + dev_dbg(state->dev, "core_msg: Rcvd Msg %s(%u) from %p4cc s:%d d:%d len:%d\n", + msg_type_str(type), type, &svc_fourcc, remoteport, localport, size); if (size > 0) vchiq_log_dump_mem(state->dev, "Rcvd", 0, header->data, min(16, size)); if (((unsigned long)header & VCHIQ_SLOT_MASK) + calc_stride(size) > VCHIQ_SLOT_SIZE) { - vchiq_log_error(state->dev, VCHIQ_CORE, - "header %pK (msgid %x) - size %x too big for slot", - header, (unsigned int)msgid, (unsigned int)size); + dev_err(state->dev, "core: header %pK (msgid %x) - size %x too big for slot\n", + header, (unsigned int)msgid, (unsigned int)size); WARN(1, "oversized for slot\n"); } @@ -1659,37 +1647,36 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) header->data; service->peer_version = payload->version; } - vchiq_log_debug(state->dev, VCHIQ_CORE, - "%d: prs OPENACK@%pK,%x (%d->%d) v:%d", - state->id, header, size, remoteport, localport, - service->peer_version); + dev_dbg(state->dev, + "core: %d: prs OPENACK@%pK,%x (%d->%d) v:%d\n", + state->id, header, size, remoteport, localport, + service->peer_version); if (service->srvstate == VCHIQ_SRVSTATE_OPENING) { service->remoteport = remoteport; set_service_state(service, VCHIQ_SRVSTATE_OPEN); complete(&service->remove_event); } else { - vchiq_log_error(state->dev, VCHIQ_CORE, "OPENACK received in state %s", - srvstate_names[service->srvstate]); + dev_err(state->dev, "core: OPENACK received in state %s\n", + srvstate_names[service->srvstate]); } break; case VCHIQ_MSG_CLOSE: WARN_ON(size); /* There should be no data */ - vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: prs CLOSE@%pK (%d->%d)", - state->id, header, remoteport, localport); + dev_dbg(state->dev, "core: %d: prs CLOSE@%pK (%d->%d)\n", + state->id, header, remoteport, localport); mark_service_closing_internal(service, 1); if (vchiq_close_service_internal(service, CLOSE_RECVD) == -EAGAIN) goto bail_not_ready; - vchiq_log_debug(state->dev, VCHIQ_CORE, "Close Service %p4cc s:%u d:%d", - &service->base.fourcc, - service->localport, service->remoteport); + dev_dbg(state->dev, "core: Close Service %p4cc s:%u d:%d\n", + &service->base.fourcc, service->localport, service->remoteport); break; case VCHIQ_MSG_DATA: - vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: prs DATA@%pK,%x (%d->%d)", - state->id, header, size, remoteport, localport); + dev_dbg(state->dev, "core: %d: prs DATA@%pK,%x (%d->%d)\n", + state->id, header, size, remoteport, localport); if ((service->remoteport == remoteport) && (service->srvstate == VCHIQ_SRVSTATE_OPEN)) { @@ -1708,8 +1695,8 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) } break; case VCHIQ_MSG_CONNECT: - vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: prs CONNECT@%pK", - state->id, header); + dev_dbg(state->dev, "core: %d: prs CONNECT@%pK\n", + state->id, header); state->version_common = ((struct vchiq_slot_zero *) state->slot_data)->version; complete(&state->connect); @@ -1740,11 +1727,10 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) } if ((int)(queue->remote_insert - queue->local_insert) >= 0) { - vchiq_log_error(state->dev, VCHIQ_CORE, - "%d: prs %s@%pK (%d->%d) unexpected (ri=%d,li=%d)", - state->id, msg_type_str(type), header, remoteport, - localport, queue->remote_insert, - queue->local_insert); + dev_err(state->dev, + "core: %d: prs %s@%pK (%d->%d) unexpected (ri=%d,li=%d)\n", + state->id, msg_type_str(type), header, remoteport, + localport, queue->remote_insert, queue->local_insert); mutex_unlock(&service->bulk_mutex); break; } @@ -1761,15 +1747,14 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) bulk->actual = *(int *)header->data; queue->remote_insert++; - vchiq_log_debug(state->dev, VCHIQ_CORE, - "%d: prs %s@%pK (%d->%d) %x@%pad", - state->id, msg_type_str(type), header, remoteport, - localport, bulk->actual, &bulk->data); + dev_dbg(state->dev, "core: %d: prs %s@%pK (%d->%d) %x@%pad\n", + state->id, msg_type_str(type), header, remoteport, + localport, bulk->actual, &bulk->data); - vchiq_log_trace(state->dev, VCHIQ_CORE, "%d: prs:%d %cx li=%x ri=%x p=%x", - state->id, localport, - (type == VCHIQ_MSG_BULK_RX_DONE) ? 'r' : 't', - queue->local_insert, queue->remote_insert, queue->process); + dev_dbg(state->dev, "core: %d: prs:%d %cx li=%x ri=%x p=%x\n", + state->id, localport, + (type == VCHIQ_MSG_BULK_RX_DONE) ? 'r' : 't', + queue->local_insert, queue->remote_insert, queue->process); DEBUG_TRACE(PARSE_LINE); WARN_ON(queue->process == queue->local_insert); @@ -1782,16 +1767,16 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) } break; case VCHIQ_MSG_PADDING: - vchiq_log_trace(state->dev, VCHIQ_CORE, "%d: prs PADDING@%pK,%x", - state->id, header, size); + dev_dbg(state->dev, "core: %d: prs PADDING@%pK,%x\n", + state->id, header, size); break; case VCHIQ_MSG_PAUSE: /* If initiated, signal the application thread */ - vchiq_log_trace(state->dev, VCHIQ_CORE, "%d: prs PAUSE@%pK,%x", - state->id, header, size); + dev_dbg(state->dev, "core: %d: prs PAUSE@%pK,%x\n", + state->id, header, size); if (state->conn_state == VCHIQ_CONNSTATE_PAUSED) { - vchiq_log_error(state->dev, VCHIQ_CORE, - "%d: PAUSE received in state PAUSED", state->id); + dev_err(state->dev, "core: %d: PAUSE received in state PAUSED\n", + state->id); break; } if (state->conn_state != VCHIQ_CONNSTATE_PAUSE_SENT) { @@ -1804,8 +1789,8 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) vchiq_set_conn_state(state, VCHIQ_CONNSTATE_PAUSED); break; case VCHIQ_MSG_RESUME: - vchiq_log_trace(state->dev, VCHIQ_CORE, "%d: prs RESUME@%pK,%x", - state->id, header, size); + dev_dbg(state->dev, "core: %d: prs RESUME@%pK,%x\n", + state->id, header, size); /* Release the slot mutex */ mutex_unlock(&state->slot_mutex); vchiq_set_conn_state(state, VCHIQ_CONNSTATE_CONNECTED); @@ -1821,8 +1806,8 @@ parse_message(struct vchiq_state *state, struct vchiq_header *header) break; default: - vchiq_log_error(state->dev, VCHIQ_CORE, "%d: prs invalid msgid %x@%pK,%x", - state->id, msgid, header, size); + dev_err(state->dev, "core: %d: prs invalid msgid %x@%pK,%x\n", + state->id, msgid, header, size); WARN(1, "invalid message\n"); break; } @@ -1932,7 +1917,7 @@ handle_poll(struct vchiq_state *state) * since the PAUSE should have flushed * through outstanding messages. */ - vchiq_log_error(state->dev, VCHIQ_CORE, "Failed to send RESUME message"); + dev_err(state->dev, "core: Failed to send RESUME message\n"); } break; default: @@ -2032,21 +2017,18 @@ sync_func(void *v) service = find_service_by_port(state, localport); if (!service) { - vchiq_log_error(state->dev, VCHIQ_SYNC, - "%d: sf %s@%pK (%d->%d) - invalid/closed service %d", - state->id, msg_type_str(type), header, - remoteport, localport, localport); + dev_err(state->dev, + "sync: %d: sf %s@%pK (%d->%d) - invalid/closed service %d\n", + state->id, msg_type_str(type), header, remoteport, + localport, localport); release_message_sync(state, header); continue; } - svc_fourcc = service ? service->base.fourcc - : VCHIQ_MAKE_FOURCC('?', '?', '?', '?'); + svc_fourcc = service->base.fourcc; - vchiq_log_trace(state->dev, VCHIQ_SYNC, - "Rcvd Msg %s from %p4cc s:%d d:%d len:%d", - msg_type_str(type), &svc_fourcc, - remoteport, localport, size); + dev_dbg(state->dev, "sync: Rcvd Msg %s from %p4cc s:%d d:%d len:%d\n", + msg_type_str(type), &svc_fourcc, remoteport, localport, size); if (size > 0) vchiq_log_dump_mem(state->dev, "Rcvd", 0, header->data, min(16, size)); @@ -2058,9 +2040,9 @@ sync_func(void *v) header->data; service->peer_version = payload->version; } - vchiq_log_debug(state->dev, VCHIQ_SYNC, "%d: sf OPENACK@%pK,%x (%d->%d) v:%d", - state->id, header, size, remoteport, localport, - service->peer_version); + dev_err(state->dev, "sync: %d: sf OPENACK@%pK,%x (%d->%d) v:%d\n", + state->id, header, size, remoteport, localport, + service->peer_version); if (service->srvstate == VCHIQ_SRVSTATE_OPENING) { service->remoteport = remoteport; set_service_state(service, VCHIQ_SRVSTATE_OPENSYNC); @@ -2071,22 +2053,22 @@ sync_func(void *v) break; case VCHIQ_MSG_DATA: - vchiq_log_trace(state->dev, VCHIQ_SYNC, "%d: sf DATA@%pK,%x (%d->%d)", - state->id, header, size, remoteport, localport); + dev_dbg(state->dev, "sync: %d: sf DATA@%pK,%x (%d->%d)\n", + state->id, header, size, remoteport, localport); if ((service->remoteport == remoteport) && (service->srvstate == VCHIQ_SRVSTATE_OPENSYNC)) { if (make_service_callback(service, VCHIQ_MESSAGE_AVAILABLE, header, NULL) == -EAGAIN) - vchiq_log_error(state->dev, VCHIQ_SYNC, - "synchronous callback to service %d returns -EAGAIN", - localport); + dev_err(state->dev, + "sync: error: synchronous callback to service %d returns -EAGAIN\n", + localport); } break; default: - vchiq_log_error(state->dev, VCHIQ_SYNC, "%d: sf unexpected msgid %x@%pK,%x", - state->id, msgid, header, size); + dev_err(state->dev, "sync: error: %d: sf unexpected msgid %x@%pK,%x\n", + state->id, msgid, header, size); release_message_sync(state, header); break; } @@ -2119,8 +2101,8 @@ vchiq_init_slots(struct device *dev, void *mem_base, int mem_size) num_slots -= first_data_slot; if (num_slots < 4) { - vchiq_log_error(dev, VCHIQ_CORE, "%s - insufficient memory %x bytes", - __func__, mem_size); + dev_err(dev, "core: %s: Insufficient memory %x bytes\n", + __func__, mem_size); return NULL; } @@ -2462,9 +2444,9 @@ vchiq_add_service_internal(struct vchiq_state *state, /* Bring this service online */ set_service_state(service, srvstate); - vchiq_log_debug(state->dev, VCHIQ_CORE_MSG, "%s Service %p4cc SrcPort:%d", - (srvstate == VCHIQ_SRVSTATE_OPENING) ? "Open" : "Add", - ¶ms->fourcc, service->localport); + dev_dbg(state->dev, "core_msg: %s Service %p4cc SrcPort:%d\n", + (srvstate == VCHIQ_SRVSTATE_OPENING) ? "Open" : "Add", + ¶ms->fourcc, service->localport); /* Don't unlock the service - leave it with a ref_count of 1. */ @@ -2501,11 +2483,10 @@ vchiq_open_service_internal(struct vchiq_service *service, int client_id) } else if ((service->srvstate != VCHIQ_SRVSTATE_OPEN) && (service->srvstate != VCHIQ_SRVSTATE_OPENSYNC)) { if (service->srvstate != VCHIQ_SRVSTATE_CLOSEWAIT) - vchiq_log_error(service->state->dev, VCHIQ_CORE, - "%d: osi - srvstate = %s (ref %u)", - service->state->id, - srvstate_names[service->srvstate], - kref_read(&service->ref_count)); + dev_err(service->state->dev, + "core: %d: osi - srvstate = %s (ref %u)\n", + service->state->id, srvstate_names[service->srvstate], + kref_read(&service->ref_count)); status = -EINVAL; VCHIQ_SERVICE_STATS_INC(service, error_count); vchiq_release_service_internal(service); @@ -2560,15 +2541,14 @@ release_service_messages(struct vchiq_service *service) int port = VCHIQ_MSG_DSTPORT(msgid); if ((port == service->localport) && (msgid & VCHIQ_MSGID_CLAIMED)) { - vchiq_log_debug(state->dev, VCHIQ_CORE, - " fsi - hdr %pK", header); + dev_dbg(state->dev, "core: fsi - hdr %pK\n", header); release_slot(state, slot_info, header, NULL); } pos += calc_stride(header->size); if (pos > VCHIQ_SLOT_SIZE) { - vchiq_log_error(state->dev, VCHIQ_CORE, - "fsi - pos %x: header %pK, msgid %x, header->msgid %x, header->size %x", - pos, header, msgid, header->msgid, header->size); + dev_err(state->dev, + "core: fsi - pos %x: header %pK, msgid %x, header->msgid %x, header->size %x\n", + pos, header, msgid, header->msgid, header->size); WARN(1, "invalid slot position\n"); } } @@ -2622,8 +2602,8 @@ close_service_complete(struct vchiq_service *service, int failstate) case VCHIQ_SRVSTATE_LISTENING: break; default: - vchiq_log_error(service->state->dev, VCHIQ_CORE, "%s(%x) called in state %s", - __func__, service->handle, srvstate_names[service->srvstate]); + dev_err(service->state->dev, "core: (%x) called in state %s\n", + service->handle, srvstate_names[service->srvstate]); WARN(1, "%s in unexpected state\n", __func__); return -EINVAL; } @@ -2669,8 +2649,9 @@ vchiq_close_service_internal(struct vchiq_service *service, int close_recvd) int close_id = MAKE_CLOSE(service->localport, VCHIQ_MSG_DSTPORT(service->remoteport)); - vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: csi:%d,%d (%s)", service->state->id, - service->localport, close_recvd, srvstate_names[service->srvstate]); + dev_dbg(state->dev, "core: %d: csi:%d,%d (%s)\n", + service->state->id, service->localport, close_recvd, + srvstate_names[service->srvstate]); switch (service->srvstate) { case VCHIQ_SRVSTATE_CLOSED: @@ -2678,8 +2659,8 @@ vchiq_close_service_internal(struct vchiq_service *service, int close_recvd) case VCHIQ_SRVSTATE_LISTENING: case VCHIQ_SRVSTATE_CLOSEWAIT: if (close_recvd) { - vchiq_log_error(state->dev, VCHIQ_CORE, "%s(1) called in state %s", - __func__, srvstate_names[service->srvstate]); + dev_err(state->dev, "core: (1) called in state %s\n", + srvstate_names[service->srvstate]); } else if (is_server) { if (service->srvstate == VCHIQ_SRVSTATE_LISTENING) { status = -EINVAL; @@ -2766,8 +2747,8 @@ vchiq_close_service_internal(struct vchiq_service *service, int close_recvd) break; default: - vchiq_log_error(state->dev, VCHIQ_CORE, "%s(%d) called in state %s", __func__, - close_recvd, srvstate_names[service->srvstate]); + dev_err(state->dev, "core: (%d) called in state %s\n", + close_recvd, srvstate_names[service->srvstate]); break; } @@ -2780,8 +2761,8 @@ vchiq_terminate_service_internal(struct vchiq_service *service) { struct vchiq_state *state = service->state; - vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: tsi - (%d<->%d)", state->id, - service->localport, service->remoteport); + dev_dbg(state->dev, "core: %d: tsi - (%d<->%d)\n", + state->id, service->localport, service->remoteport); mark_service_closing(service); @@ -2795,8 +2776,7 @@ vchiq_free_service_internal(struct vchiq_service *service) { struct vchiq_state *state = service->state; - vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: fsi - (%d)", - state->id, service->localport); + dev_dbg(state->dev, "core: %d: fsi - (%d)\n", state->id, service->localport); switch (service->srvstate) { case VCHIQ_SRVSTATE_OPENING: @@ -2806,8 +2786,8 @@ vchiq_free_service_internal(struct vchiq_service *service) case VCHIQ_SRVSTATE_CLOSEWAIT: break; default: - vchiq_log_error(state->dev, VCHIQ_CORE, "%d: fsi - (%d) in state %s", state->id, - service->localport, srvstate_names[service->srvstate]); + dev_err(state->dev, "core: %d: fsi - (%d) in state %s\n", + state->id, service->localport, srvstate_names[service->srvstate]); return; } @@ -2876,8 +2856,8 @@ vchiq_close_service(struct vchiq_instance *instance, unsigned int handle) if (!service) return -EINVAL; - vchiq_log_debug(service->state->dev, VCHIQ_CORE, "%d: close_service:%d", - service->state->id, service->localport); + dev_dbg(service->state->dev, "core: %d: close_service:%d\n", + service->state->id, service->localport); if ((service->srvstate == VCHIQ_SRVSTATE_FREE) || (service->srvstate == VCHIQ_SRVSTATE_LISTENING) || @@ -2907,10 +2887,10 @@ vchiq_close_service(struct vchiq_instance *instance, unsigned int handle) (service->srvstate == VCHIQ_SRVSTATE_OPEN)) break; - vchiq_log_warning(service->state->dev, VCHIQ_CORE, - "%d: close_service:%d - waiting in state %s", - service->state->id, service->localport, - srvstate_names[service->srvstate]); + dev_warn(service->state->dev, + "core: %d: close_service:%d - waiting in state %s\n", + service->state->id, service->localport, + srvstate_names[service->srvstate]); } if (!status && @@ -2934,8 +2914,8 @@ vchiq_remove_service(struct vchiq_instance *instance, unsigned int handle) if (!service) return -EINVAL; - vchiq_log_debug(service->state->dev, VCHIQ_CORE, "%d: remove_service:%d", - service->state->id, service->localport); + dev_dbg(service->state->dev, "core: %d: remove_service:%d\n", + service->state->id, service->localport); if (service->srvstate == VCHIQ_SRVSTATE_FREE) { vchiq_service_put(service); @@ -2968,10 +2948,10 @@ vchiq_remove_service(struct vchiq_instance *instance, unsigned int handle) (service->srvstate == VCHIQ_SRVSTATE_OPEN)) break; - vchiq_log_warning(service->state->dev, VCHIQ_CORE, - "%d: remove_service:%d - waiting in state %s", - service->state->id, service->localport, - srvstate_names[service->srvstate]); + dev_warn(service->state->dev, + "core: %d: remove_service:%d - waiting in state %s\n", + service->state->id, service->localport, + srvstate_names[service->srvstate]); } if (!status && (service->srvstate != VCHIQ_SRVSTATE_FREE)) @@ -3078,9 +3058,9 @@ int vchiq_bulk_transfer(struct vchiq_instance *instance, unsigned int handle, */ wmb(); - vchiq_log_debug(state->dev, VCHIQ_CORE, "%d: bt (%d->%d) %cx %x@%pad %pK", - state->id, service->localport, service->remoteport, - dir_char, size, &bulk->data, userdata); + dev_dbg(state->dev, "core: %d: bt (%d->%d) %cx %x@%pad %pK\n", + state->id, service->localport, service->remoteport, + dir_char, size, &bulk->data, userdata); /* * The slot mutex must be held when the service is being closed, so @@ -3115,9 +3095,9 @@ int vchiq_bulk_transfer(struct vchiq_instance *instance, unsigned int handle, mutex_unlock(&state->slot_mutex); mutex_unlock(&service->bulk_mutex); - vchiq_log_trace(state->dev, VCHIQ_CORE, "%d: bt:%d %cx li=%x ri=%x p=%x", - state->id, service->localport, dir_char, queue->local_insert, - queue->remote_insert, queue->process); + dev_dbg(state->dev, "core: %d: bt:%d %cx li=%x ri=%x p=%x\n", + state->id, service->localport, dir_char, queue->local_insert, + queue->remote_insert, queue->process); waiting: vchiq_service_put(service); @@ -3372,8 +3352,8 @@ vchiq_set_service_option(struct vchiq_instance *instance, unsigned int handle, return ret; } -static int -vchiq_dump_shared_state(void *dump_context, struct vchiq_state *state, +static void +vchiq_dump_shared_state(struct seq_file *f, struct vchiq_state *state, struct vchiq_shared_state *shared, const char *label) { static const char *const debug_names[] = { @@ -3390,146 +3370,44 @@ vchiq_dump_shared_state(void *dump_context, struct vchiq_state *state, "COMPLETION_QUEUE_FULL_COUNT" }; int i; - char buf[80]; - int len; - int err; - - len = scnprintf(buf, sizeof(buf), " %s: slots %d-%d tx_pos=%x recycle=%x", - label, shared->slot_first, shared->slot_last, - shared->tx_pos, shared->slot_queue_recycle); - err = vchiq_dump(dump_context, buf, len + 1); - if (err) - return err; - - len = scnprintf(buf, sizeof(buf), " Slots claimed:"); - err = vchiq_dump(dump_context, buf, len + 1); - if (err) - return err; + + seq_printf(f, " %s: slots %d-%d tx_pos=%x recycle=%x\n", + label, shared->slot_first, shared->slot_last, + shared->tx_pos, shared->slot_queue_recycle); + + seq_puts(f, " Slots claimed:\n"); for (i = shared->slot_first; i <= shared->slot_last; i++) { struct vchiq_slot_info slot_info = *SLOT_INFO_FROM_INDEX(state, i); if (slot_info.use_count != slot_info.release_count) { - len = scnprintf(buf, sizeof(buf), " %d: %d/%d", i, slot_info.use_count, - slot_info.release_count); - err = vchiq_dump(dump_context, buf, len + 1); - if (err) - return err; + seq_printf(f, " %d: %d/%d\n", i, slot_info.use_count, + slot_info.release_count); } } for (i = 1; i < shared->debug[DEBUG_ENTRIES]; i++) { - len = scnprintf(buf, sizeof(buf), " DEBUG: %s = %d(%x)", - debug_names[i], shared->debug[i], shared->debug[i]); - err = vchiq_dump(dump_context, buf, len + 1); - if (err) - return err; - } - return 0; -} - -int vchiq_dump_state(void *dump_context, struct vchiq_state *state) -{ - char buf[80]; - int len; - int i; - int err; - - len = scnprintf(buf, sizeof(buf), "State %d: %s", state->id, - conn_state_names[state->conn_state]); - err = vchiq_dump(dump_context, buf, len + 1); - if (err) - return err; - - len = scnprintf(buf, sizeof(buf), " tx_pos=%x(@%pK), rx_pos=%x(@%pK)", - state->local->tx_pos, - state->tx_data + (state->local_tx_pos & VCHIQ_SLOT_MASK), - state->rx_pos, - state->rx_data + (state->rx_pos & VCHIQ_SLOT_MASK)); - err = vchiq_dump(dump_context, buf, len + 1); - if (err) - return err; - - len = scnprintf(buf, sizeof(buf), " Version: %d (min %d)", - VCHIQ_VERSION, VCHIQ_VERSION_MIN); - err = vchiq_dump(dump_context, buf, len + 1); - if (err) - return err; - - if (VCHIQ_ENABLE_STATS) { - len = scnprintf(buf, sizeof(buf), - " Stats: ctrl_tx_count=%d, ctrl_rx_count=%d, error_count=%d", - state->stats.ctrl_tx_count, state->stats.ctrl_rx_count, - state->stats.error_count); - err = vchiq_dump(dump_context, buf, len + 1); - if (err) - return err; - } - - len = scnprintf(buf, sizeof(buf), - " Slots: %d available (%d data), %d recyclable, %d stalls (%d data)", - ((state->slot_queue_available * VCHIQ_SLOT_SIZE) - - state->local_tx_pos) / VCHIQ_SLOT_SIZE, - state->data_quota - state->data_use_count, - state->local->slot_queue_recycle - state->slot_queue_available, - state->stats.slot_stalls, state->stats.data_stalls); - err = vchiq_dump(dump_context, buf, len + 1); - if (err) - return err; - - err = vchiq_dump_platform_state(dump_context); - if (err) - return err; - - err = vchiq_dump_shared_state(dump_context, - state, - state->local, - "Local"); - if (err) - return err; - err = vchiq_dump_shared_state(dump_context, - state, - state->remote, - "Remote"); - if (err) - return err; - - err = vchiq_dump_platform_instances(dump_context); - if (err) - return err; - - for (i = 0; i < state->unused_service; i++) { - struct vchiq_service *service = find_service_by_port(state, i); - - if (service) { - err = vchiq_dump_service_state(dump_context, service); - vchiq_service_put(service); - if (err) - return err; - } + seq_printf(f, " DEBUG: %s = %d(%x)\n", + debug_names[i], shared->debug[i], shared->debug[i]); } - return 0; } -int vchiq_dump_service_state(void *dump_context, struct vchiq_service *service) +static void +vchiq_dump_service_state(struct seq_file *f, struct vchiq_service *service) { - char buf[80]; - int len; - int err; unsigned int ref_count; /*Don't include the lock just taken*/ ref_count = kref_read(&service->ref_count) - 1; - len = scnprintf(buf, sizeof(buf), "Service %u: %s (ref %u)", - service->localport, srvstate_names[service->srvstate], - ref_count); + seq_printf(f, "Service %u: %s (ref %u)", service->localport, + srvstate_names[service->srvstate], ref_count); if (service->srvstate != VCHIQ_SRVSTATE_FREE) { char remoteport[30]; struct vchiq_service_quota *quota = &service->state->service_quotas[service->localport]; int fourcc = service->base.fourcc; - int tx_pending, rx_pending; + int tx_pending, rx_pending, tx_size = 0, rx_size = 0; if (service->remoteport != VCHIQ_PORT_FREE) { int len2 = scnprintf(remoteport, sizeof(remoteport), @@ -3542,68 +3420,100 @@ int vchiq_dump_service_state(void *dump_context, struct vchiq_service *service) strscpy(remoteport, "n/a", sizeof(remoteport)); } - len += scnprintf(buf + len, sizeof(buf) - len, - " '%p4cc' remote %s (msg use %d/%d, slot use %d/%d)", - &fourcc, remoteport, - quota->message_use_count, quota->message_quota, - quota->slot_use_count, quota->slot_quota); - - err = vchiq_dump(dump_context, buf, len + 1); - if (err) - return err; + seq_printf(f, " '%p4cc' remote %s (msg use %d/%d, slot use %d/%d)\n", + &fourcc, remoteport, + quota->message_use_count, quota->message_quota, + quota->slot_use_count, quota->slot_quota); tx_pending = service->bulk_tx.local_insert - service->bulk_tx.remote_insert; + if (tx_pending) { + unsigned int i = BULK_INDEX(service->bulk_tx.remove); + + tx_size = service->bulk_tx.bulks[i].size; + } rx_pending = service->bulk_rx.local_insert - service->bulk_rx.remote_insert; + if (rx_pending) { + unsigned int i = BULK_INDEX(service->bulk_rx.remove); - len = scnprintf(buf, sizeof(buf), - " Bulk: tx_pending=%d (size %d), rx_pending=%d (size %d)", - tx_pending, - tx_pending ? - service->bulk_tx.bulks[BULK_INDEX(service->bulk_tx.remove)].size : - 0, rx_pending, rx_pending ? - service->bulk_rx.bulks[BULK_INDEX(service->bulk_rx.remove)].size : - 0); + rx_size = service->bulk_rx.bulks[i].size; + } + + seq_printf(f, " Bulk: tx_pending=%d (size %d), rx_pending=%d (size %d)\n", + tx_pending, tx_size, rx_pending, rx_size); if (VCHIQ_ENABLE_STATS) { - err = vchiq_dump(dump_context, buf, len + 1); - if (err) - return err; + seq_printf(f, " Ctrl: tx_count=%d, tx_bytes=%llu, rx_count=%d, rx_bytes=%llu\n", + service->stats.ctrl_tx_count, + service->stats.ctrl_tx_bytes, + service->stats.ctrl_rx_count, + service->stats.ctrl_rx_bytes); + + seq_printf(f, " Bulk: tx_count=%d, tx_bytes=%llu, rx_count=%d, rx_bytes=%llu\n", + service->stats.bulk_tx_count, + service->stats.bulk_tx_bytes, + service->stats.bulk_rx_count, + service->stats.bulk_rx_bytes); + + seq_printf(f, " %d quota stalls, %d slot stalls, %d bulk stalls, %d aborted, %d errors\n", + service->stats.quota_stalls, + service->stats.slot_stalls, + service->stats.bulk_stalls, + service->stats.bulk_aborted_count, + service->stats.error_count); + } + } - len = scnprintf(buf, sizeof(buf), - " Ctrl: tx_count=%d, tx_bytes=%llu, rx_count=%d, rx_bytes=%llu", - service->stats.ctrl_tx_count, service->stats.ctrl_tx_bytes, - service->stats.ctrl_rx_count, service->stats.ctrl_rx_bytes); - err = vchiq_dump(dump_context, buf, len + 1); - if (err) - return err; + vchiq_dump_platform_service_state(f, service); +} - len = scnprintf(buf, sizeof(buf), - " Bulk: tx_count=%d, tx_bytes=%llu, rx_count=%d, rx_bytes=%llu", - service->stats.bulk_tx_count, service->stats.bulk_tx_bytes, - service->stats.bulk_rx_count, service->stats.bulk_rx_bytes); - err = vchiq_dump(dump_context, buf, len + 1); - if (err) - return err; +void vchiq_dump_state(struct seq_file *f, struct vchiq_state *state) +{ + int i; - len = scnprintf(buf, sizeof(buf), - " %d quota stalls, %d slot stalls, %d bulk stalls, %d aborted, %d errors", - service->stats.quota_stalls, service->stats.slot_stalls, - service->stats.bulk_stalls, - service->stats.bulk_aborted_count, - service->stats.error_count); - } + seq_printf(f, "State %d: %s\n", state->id, + conn_state_names[state->conn_state]); + + seq_printf(f, " tx_pos=%x(@%pK), rx_pos=%x(@%pK)\n", + state->local->tx_pos, + state->tx_data + (state->local_tx_pos & VCHIQ_SLOT_MASK), + state->rx_pos, + state->rx_data + (state->rx_pos & VCHIQ_SLOT_MASK)); + + seq_printf(f, " Version: %d (min %d)\n", VCHIQ_VERSION, + VCHIQ_VERSION_MIN); + + if (VCHIQ_ENABLE_STATS) { + seq_printf(f, " Stats: ctrl_tx_count=%d, ctrl_rx_count=%d, error_count=%d\n", + state->stats.ctrl_tx_count, state->stats.ctrl_rx_count, + state->stats.error_count); } - err = vchiq_dump(dump_context, buf, len + 1); - if (err) - return err; + seq_printf(f, " Slots: %d available (%d data), %d recyclable, %d stalls (%d data)\n", + ((state->slot_queue_available * VCHIQ_SLOT_SIZE) - + state->local_tx_pos) / VCHIQ_SLOT_SIZE, + state->data_quota - state->data_use_count, + state->local->slot_queue_recycle - state->slot_queue_available, + state->stats.slot_stalls, state->stats.data_stalls); + + vchiq_dump_platform_state(f); + + vchiq_dump_shared_state(f, state, state->local, "Local"); + + vchiq_dump_shared_state(f, state, state->remote, "Remote"); + + vchiq_dump_platform_instances(f); - if (service->srvstate != VCHIQ_SRVSTATE_FREE) - err = vchiq_dump_platform_service_state(dump_context, service); - return err; + for (i = 0; i < state->unused_service; i++) { + struct vchiq_service *service = find_service_by_port(state, i); + + if (service) { + vchiq_dump_service_state(f, service); + vchiq_service_put(service); + } + } } int vchiq_send_remote_use(struct vchiq_state *state) @@ -3653,9 +3563,9 @@ void vchiq_log_dump_mem(struct device *dev, const char *label, u32 addr, *s++ = '\0'; if (label && (*label != '\0')) - vchiq_log_trace(dev, VCHIQ_CORE, "%s: %08x: %s", label, addr, line_buf); + dev_dbg(dev, "core: %s: %08x: %s\n", label, addr, line_buf); else - vchiq_log_trace(dev, VCHIQ_CORE, "%s: %08x: %s", label, addr, line_buf); + dev_dbg(dev, "core: %s: %08x: %s\n", label, addr, line_buf); addr += 16; mem += 16; diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h index 161358db457c..c8527551b58c 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h @@ -6,6 +6,7 @@ #include <linux/mutex.h> #include <linux/completion.h> +#include <linux/debugfs.h> #include <linux/dev_printk.h> #include <linux/kthread.h> #include <linux/kref.h> @@ -31,44 +32,6 @@ #define VCHIQ_SLOT_SIZE 4096 #define VCHIQ_MAX_MSG_SIZE (VCHIQ_SLOT_SIZE - sizeof(struct vchiq_header)) -enum vchiq_log_category { - VCHIQ_ARM, - VCHIQ_CORE, - VCHIQ_CORE_MSG, - VCHIQ_SYNC, - VCHIQ_SUSPEND, -}; - -static inline const char *log_category_str(enum vchiq_log_category c) -{ - static const char * const strings[] = { - "vchiq_arm", - "vchiq_core", - "vchiq_core_msg", - "vchiq_sync", - "vchiq_suspend", - }; - - return strings[c]; -}; - -#ifndef vchiq_log_error -#define vchiq_log_error(dev, cat, fmt, ...) \ - do { dev_dbg(dev, "%s error: " fmt, log_category_str(cat), ##__VA_ARGS__); } while (0) -#endif -#ifndef vchiq_log_warning -#define vchiq_log_warning(dev, cat, fmt, ...) \ - do { dev_dbg(dev, "%s warning: " fmt, log_category_str(cat), ##__VA_ARGS__); } while (0) -#endif -#ifndef vchiq_log_debug -#define vchiq_log_debug(dev, cat, fmt, ...) \ - do { dev_dbg(dev, "%s debug: " fmt, log_category_str(cat), ##__VA_ARGS__); } while (0) -#endif -#ifndef vchiq_log_trace -#define vchiq_log_trace(dev, cat, fmt, ...) \ - do { dev_dbg(dev, "%s trace: " fmt, log_category_str(cat), ##__VA_ARGS__); } while (0) -#endif - #define VCHIQ_SLOT_MASK (VCHIQ_SLOT_SIZE - 1) #define VCHIQ_SLOT_QUEUE_MASK (VCHIQ_MAX_SLOTS_PER_SIDE - 1) #define VCHIQ_SLOT_ZERO_SLOTS DIV_ROUND_UP(sizeof(struct vchiq_slot_zero), \ @@ -504,11 +467,8 @@ vchiq_bulk_transfer(struct vchiq_instance *instance, unsigned int handle, void * void __user *uoffset, int size, void *userdata, enum vchiq_bulk_mode mode, enum vchiq_bulk_dir dir); -extern int -vchiq_dump_state(void *dump_context, struct vchiq_state *state); - -extern int -vchiq_dump_service_state(void *dump_context, struct vchiq_service *service); +extern void +vchiq_dump_state(struct seq_file *f, struct vchiq_state *state); extern void vchiq_loud_error_header(void); @@ -564,13 +524,11 @@ void vchiq_complete_bulk(struct vchiq_instance *instance, struct vchiq_bulk *bul void remote_event_signal(struct remote_event *event); -int vchiq_dump(void *dump_context, const char *str, int len); - -int vchiq_dump_platform_state(void *dump_context); +void vchiq_dump_platform_state(struct seq_file *f); -int vchiq_dump_platform_instances(void *dump_context); +void vchiq_dump_platform_instances(struct seq_file *f); -int vchiq_dump_platform_service_state(void *dump_context, struct vchiq_service *service); +void vchiq_dump_platform_service_state(struct seq_file *f, struct vchiq_service *service); int vchiq_use_service_internal(struct vchiq_service *service); diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_debugfs.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_debugfs.c index 58db78a9c8d4..d833e4e2973a 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_debugfs.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_debugfs.c @@ -40,6 +40,13 @@ static int debugfs_trace_show(struct seq_file *f, void *offset) return 0; } +static int vchiq_dump_show(struct seq_file *f, void *offset) +{ + vchiq_dump_state(f, &g_state); + return 0; +} +DEFINE_SHOW_ATTRIBUTE(vchiq_dump); + static int debugfs_trace_open(struct inode *inode, struct file *file) { return single_open(file, debugfs_trace_show, inode->i_private); @@ -115,6 +122,9 @@ void vchiq_debugfs_init(void) { vchiq_dbg_dir = debugfs_create_dir("vchiq", NULL); vchiq_dbg_clients = debugfs_create_dir("clients", vchiq_dbg_dir); + + debugfs_create_file("state", S_IFREG | 0444, vchiq_dbg_dir, NULL, + &vchiq_dump_fops); } /* remove all the debugfs entries */ diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c index 0bc93f48c14c..4d9deeeb637a 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c @@ -47,9 +47,8 @@ user_service_free(void *userdata) static void close_delivered(struct user_service *user_service) { - vchiq_log_debug(user_service->service->state->dev, VCHIQ_ARM, - "%s(handle=%x)", - __func__, user_service->service->handle); + dev_dbg(user_service->service->state->dev, + "arm: (handle=%x)\n", user_service->service->handle); if (user_service->close_pending) { /* Allow the underlying service to be culled */ @@ -235,8 +234,7 @@ static int vchiq_ioc_dequeue_message(struct vchiq_instance *instance, spin_unlock(&msg_queue_spinlock); DEBUG_TRACE(DEQUEUE_MESSAGE_LINE); if (wait_for_completion_interruptible(&user_service->insert_event)) { - vchiq_log_debug(service->state->dev, VCHIQ_ARM, - "DEQUEUE_MESSAGE interrupted"); + dev_dbg(service->state->dev, "arm: DEQUEUE_MESSAGE interrupted\n"); ret = -EINTR; break; } @@ -271,9 +269,9 @@ static int vchiq_ioc_dequeue_message(struct vchiq_instance *instance, ret = -EFAULT; } } else { - vchiq_log_error(service->state->dev, VCHIQ_ARM, - "header %pK: bufsize %x < size %x", - header, args->bufsize, header->size); + dev_err(service->state->dev, + "arm: header %pK: bufsize %x < size %x\n", + header, args->bufsize, header->size); WARN(1, "invalid size\n"); ret = -EMSGSIZE; } @@ -318,13 +316,13 @@ static int vchiq_irq_queue_bulk_tx_rx(struct vchiq_instance *instance, } mutex_unlock(&instance->bulk_waiter_list_mutex); if (!waiter) { - vchiq_log_error(service->state->dev, VCHIQ_ARM, - "no bulk_waiter found for pid %d", current->pid); + dev_err(service->state->dev, + "arm: no bulk_waiter found for pid %d\n", current->pid); ret = -ESRCH; goto out; } - vchiq_log_debug(service->state->dev, VCHIQ_ARM, - "found bulk_waiter %pK for pid %d", waiter, current->pid); + dev_dbg(service->state->dev, "arm: found bulk_waiter %pK for pid %d\n", + waiter, current->pid); userdata = &waiter->bulk_waiter; } else { userdata = args->userdata; @@ -355,8 +353,8 @@ static int vchiq_irq_queue_bulk_tx_rx(struct vchiq_instance *instance, mutex_lock(&instance->bulk_waiter_list_mutex); list_add(&waiter->list, &instance->bulk_waiter_list); mutex_unlock(&instance->bulk_waiter_list_mutex); - vchiq_log_debug(service->state->dev, VCHIQ_ARM, - "saved bulk_waiter %pK for pid %d", waiter, current->pid); + dev_dbg(service->state->dev, "arm: saved bulk_waiter %pK for pid %d\n", + waiter, current->pid); ret = put_user(mode_waiting, mode); } @@ -455,8 +453,7 @@ static int vchiq_ioc_await_completion(struct vchiq_instance *instance, mutex_lock(&instance->completion_mutex); if (rc) { DEBUG_TRACE(AWAIT_COMPLETION_LINE); - vchiq_log_debug(instance->state->dev, VCHIQ_ARM, - "AWAIT_COMPLETION interrupted"); + dev_dbg(instance->state->dev, "arm: AWAIT_COMPLETION interrupted\n"); ret = -EINTR; goto out; } @@ -501,10 +498,10 @@ static int vchiq_ioc_await_completion(struct vchiq_instance *instance, msglen = header->size + sizeof(struct vchiq_header); /* This must be a VCHIQ-style service */ if (args->msgbufsize < msglen) { - vchiq_log_error(service->state->dev, VCHIQ_ARM, - "header %pK: msgbufsize %x < msglen %x", - header, args->msgbufsize, msglen); - WARN(1, "invalid message size\n"); + dev_err(service->state->dev, + "arm: header %pK: msgbufsize %x < msglen %x\n", + header, args->msgbufsize, msglen); + WARN(1, "invalid message size\n"); if (ret == 0) ret = -EMSGSIZE; break; @@ -582,10 +579,9 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg) long ret = 0; int i, rc; - vchiq_log_trace(instance->state->dev, VCHIQ_ARM, - "%s - instance %pK, cmd %s, arg %lx", __func__, instance, - ((_IOC_TYPE(cmd) == VCHIQ_IOC_MAGIC) && (_IOC_NR(cmd) <= VCHIQ_IOC_MAX)) ? - ioctl_names[_IOC_NR(cmd)] : "<invalid>", arg); + dev_dbg(instance->state->dev, "arm: instance %pK, cmd %s, arg %lx\n", instance, + ((_IOC_TYPE(cmd) == VCHIQ_IOC_MAGIC) && (_IOC_NR(cmd) <= VCHIQ_IOC_MAX)) ? + ioctl_names[_IOC_NR(cmd)] : "<invalid>", arg); switch (cmd) { case VCHIQ_IOC_SHUTDOWN: @@ -618,9 +614,9 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg) } rc = mutex_lock_killable(&instance->state->mutex); if (rc) { - vchiq_log_error(instance->state->dev, VCHIQ_ARM, - "vchiq: connect: could not lock mutex for state %d: %d", - instance->state->id, rc); + dev_err(instance->state->dev, + "arm: vchiq: connect: could not lock mutex for state %d: %d\n", + instance->state->id, rc); ret = -EINTR; break; } @@ -630,8 +626,8 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg) if (!status) instance->connected = 1; else - vchiq_log_error(instance->state->dev, VCHIQ_ARM, - "vchiq: could not connect: %d", status); + dev_err(instance->state->dev, + "arm: vchiq: could not connect: %d\n", status); break; case VCHIQ_IOC_CREATE_SERVICE: { @@ -700,13 +696,13 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg) vchiq_use_service_internal(service) : vchiq_release_service_internal(service); if (ret) { - vchiq_log_error(instance->state->dev, VCHIQ_SUSPEND, - "%s: cmd %s returned error %ld for service %p4cc:%03d", - __func__, (cmd == VCHIQ_IOC_USE_SERVICE) ? - "VCHIQ_IOC_USE_SERVICE" : - "VCHIQ_IOC_RELEASE_SERVICE", - ret, &service->base.fourcc, - service->client_id); + dev_err(instance->state->dev, + "suspend: cmd %s returned error %ld for service %p4cc:%03d\n", + (cmd == VCHIQ_IOC_USE_SERVICE) ? + "VCHIQ_IOC_USE_SERVICE" : + "VCHIQ_IOC_RELEASE_SERVICE", + ret, &service->base.fourcc, + service->client_id); } } else { ret = -EINVAL; @@ -868,15 +864,15 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg) } if (!status && (ret < 0) && (ret != -EINTR) && (ret != -EWOULDBLOCK)) { - vchiq_log_debug(instance->state->dev, VCHIQ_ARM, - " ioctl instance %pK, cmd %s -> status %d, %ld", - instance, (_IOC_NR(cmd) <= VCHIQ_IOC_MAX) ? - ioctl_names[_IOC_NR(cmd)] : "<invalid>", status, ret); + dev_dbg(instance->state->dev, + "arm: ioctl instance %pK, cmd %s -> status %d, %ld\n", + instance, (_IOC_NR(cmd) <= VCHIQ_IOC_MAX) ? + ioctl_names[_IOC_NR(cmd)] : "<invalid>", status, ret); } else { - vchiq_log_trace(instance->state->dev, VCHIQ_ARM, - " ioctl instance %pK, cmd %s -> status %d, %ld", - instance, (_IOC_NR(cmd) <= VCHIQ_IOC_MAX) ? - ioctl_names[_IOC_NR(cmd)] : "<invalid>", status, ret); + dev_dbg(instance->state->dev, + "arm: ioctl instance %pK, cmd %s -> status %d\n, %ld\n", + instance, (_IOC_NR(cmd) <= VCHIQ_IOC_MAX) ? + ioctl_names[_IOC_NR(cmd)] : "<invalid>", status, ret); } return ret; @@ -1170,11 +1166,10 @@ static int vchiq_open(struct inode *inode, struct file *file) struct vchiq_state *state = vchiq_get_state(); struct vchiq_instance *instance; - vchiq_log_debug(state->dev, VCHIQ_ARM, "vchiq_open"); + dev_dbg(state->dev, "arm: vchiq open\n"); if (!state) { - vchiq_log_error(state->dev, VCHIQ_ARM, - "vchiq has no connection to VideoCore"); + dev_err(state->dev, "arm: vchiq has no connection to VideoCore\n"); return -ENOTCONN; } @@ -1206,8 +1201,7 @@ static int vchiq_release(struct inode *inode, struct file *file) int ret = 0; int i; - vchiq_log_debug(state->dev, VCHIQ_ARM, "%s: instance=%lx", __func__, - (unsigned long)instance); + dev_dbg(state->dev, "arm: instance=%p\n", instance); if (!state) { ret = -EPERM; @@ -1306,26 +1300,6 @@ out: return ret; } -static ssize_t -vchiq_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) -{ - struct dump_context context; - int err; - - context.buf = buf; - context.actual = 0; - context.space = count; - context.offset = *ppos; - - err = vchiq_dump_state(&context, &g_state); - if (err) - return err; - - *ppos += context.actual; - - return context.actual; -} - static const struct file_operations vchiq_fops = { .owner = THIS_MODULE, @@ -1335,7 +1309,6 @@ vchiq_fops = { #endif .open = vchiq_open, .release = vchiq_release, - .read = vchiq_read }; static struct miscdevice vchiq_miscdev = { |