static long alarm_do_ioctl(struct file *file, unsigned int cmd, struct timespec *ts) { int rv = 0; unsigned long flags; enum android_alarm_type alarm_type = ANDROID_ALARM_IOCTL_TO_TYPE(cmd); if (alarm_type >= ANDROID_ALARM_TYPE_COUNT) return -EINVAL; if (ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_GET_TIME(0) && ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_WAIT_CHANGE) { if ((file->f_flags & O_ACCMODE) == O_RDONLY) return -EPERM; if (file->private_data == NULL && cmd != ANDROID_ALARM_SET_RTC) { spin_lock_irqsave(&alarm_slock, flags); if (alarm_opened) { spin_unlock_irqrestore(&alarm_slock, flags); return -EBUSY; } alarm_opened = 1; file->private_data = (void *)1; spin_unlock_irqrestore(&alarm_slock, flags); } } switch (ANDROID_ALARM_BASE_CMD(cmd)) { case ANDROID_ALARM_CLEAR(0): alarm_clear(alarm_type); break; case ANDROID_ALARM_SET(0): alarm_set(alarm_type, ts); break; case ANDROID_ALARM_SET_AND_WAIT(0): alarm_set(alarm_type, ts); /* fall though */ case ANDROID_ALARM_WAIT: rv = alarm_wait(); break; case ANDROID_ALARM_WAIT_CHANGE: { rv = wait_event_interruptible(alarm_wait_change_queue, delta); if (rv == -ERESTARTSYS) { rv = -EINTR; } break; } case ANDROID_ALARM_SET_RTC: rv = alarm_set_rtc(ts); break; case ANDROID_ALARM_GET_TIME(0): rv = alarm_get_time(alarm_type, ts); break; default: rv = -EINVAL; } err1: return rv; }
static long alarm_do_ioctl(struct file *file, unsigned int cmd, struct timespec *ts) { int rv = 0; unsigned long flags; enum android_alarm_type alarm_type = ANDROID_ALARM_IOCTL_TO_TYPE(cmd); if (alarm_type >= ANDROID_ALARM_TYPE_COUNT) return -EINVAL; if (ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_GET_TIME(0)) { if ((file->f_flags & O_ACCMODE) == O_RDONLY) return -EPERM; if (file->private_data == NULL && cmd != ANDROID_ALARM_SET_RTC) { spin_lock_irqsave(&alarm_slock, flags); if (alarm_opened) { spin_unlock_irqrestore(&alarm_slock, flags); return -EBUSY; } alarm_opened = 1; file->private_data = (void *)1; spin_unlock_irqrestore(&alarm_slock, flags); } } switch (ANDROID_ALARM_BASE_CMD(cmd)) { case ANDROID_ALARM_CLEAR(0): alarm_clear(alarm_type); break; case ANDROID_ALARM_SET(0): alarm_set(alarm_type, ts); break; case ANDROID_ALARM_SET_AND_WAIT(0): alarm_set(alarm_type, ts); /* fall though */ case ANDROID_ALARM_WAIT: rv = alarm_wait(); break; case ANDROID_ALARM_SET_RTC: rv = alarm_set_rtc(ts); break; #ifdef CONFIG_RTC_BOOT_ALARM case ANDROID_ALARM_SET_BOOT_ALARM: rv = alarm_set_boot_alarm(ts); break; #endif case ANDROID_ALARM_GET_TIME(0): rv = alarm_get_time(alarm_type, ts); break; default: rv = -EINVAL; } return rv; }
static long alarm_do_ioctl(struct file *file, unsigned int cmd, struct timespec *ts, struct rtc_wkalrm *alm) { int rv = 0; unsigned long flags; enum android_alarm_type alarm_type = ANDROID_ALARM_IOCTL_TO_TYPE(cmd); alarm_dbg(INFO, "alarm_do_ioctl cmd:%d type:%d (%lu)\n", cmd, alarm_type, (uintptr_t)file->private_data); if (alarm_type >= ANDROID_ALARM_TYPE_COUNT && alarm_type != ANDROID_ALARM_POWER_ON && alarm_type != ANDROID_ALARM_POWER_ON_LOGO) { return -EINVAL; } if (ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_GET_TIME(0) && ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_SET_IPO(0) && ANDROID_ALARM_BASE_CMD(cmd) != ANDROID_ALARM_GET_POWER_ON_IPO) { if ((file->f_flags & O_ACCMODE) == O_RDONLY) return -EPERM; if (file->private_data == NULL && cmd != ANDROID_ALARM_SET_RTC) { spin_lock_irqsave(&alarm_slock, flags); if (alarm_opened) { spin_unlock_irqrestore(&alarm_slock, flags); alarm_dbg(INFO, "alarm_do_ioctl EBUSY\n"); file->private_data = NULL; return -EBUSY; } alarm_opened = 1; file->private_data = (void *)1; spin_unlock_irqrestore(&alarm_slock, flags); alarm_dbg(INFO, "alarm_do_ioctl opened\n"); } } switch (ANDROID_ALARM_BASE_CMD(cmd)) { case ANDROID_ALARM_CLEAR(0): alarm_clear(alarm_type, ts); break; case ANDROID_ALARM_SET(0): alarm_set(alarm_type, ts); break; case ANDROID_ALARM_SET_AND_WAIT(0): alarm_set(alarm_type, ts); /* fall though */ case ANDROID_ALARM_WAIT: rv = alarm_wait(); break; case ANDROID_ALARM_SET_IPO(0): alarm_set(alarm_type, ts); break; case ANDROID_ALARM_SET_AND_WAIT_IPO(0): alarm_set(alarm_type, ts); /* fall though */ case ANDROID_ALARM_WAIT_IPO: rv = alarm_wait(); break; case ANDROID_ALARM_SET_RTC: rv = alarm_set_rtc(ts); break; case ANDROID_ALARM_GET_TIME(0): rv = alarm_get_time(alarm_type, ts); break; case ANDROID_ALARM_GET_POWER_ON: alarm_get_power_on(alm); break; case ANDROID_ALARM_GET_POWER_ON_IPO: alarm_get_power_on(alm); break; default: rv = -EINVAL; } return rv; }