static struct iwl_op_mode * iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, const struct iwl_fw *fw, struct dentry *dbgfs_dir) { struct ieee80211_hw *hw; struct iwl_op_mode *op_mode; struct iwl_mvm *mvm; struct iwl_trans_config trans_cfg = {}; static const u8 no_reclaim_cmds[] = { TX_CMD, }; int err, scan_size; u32 min_backoff; /* * We use IWL_MVM_STATION_COUNT to check the validity of the station * index all over the driver - check that its value corresponds to the * array size. */ BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT); /******************************** * 1. Allocating and configuring HW data ********************************/ hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + sizeof(struct iwl_mvm), &iwl_mvm_hw_ops); if (!hw) return NULL; op_mode = hw->priv; op_mode->ops = &iwl_mvm_ops; mvm = IWL_OP_MODE_GET_MVM(op_mode); mvm->dev = trans->dev; mvm->trans = trans; mvm->cfg = cfg; mvm->fw = fw; mvm->hw = hw; mvm->restart_fw = iwlwifi_mod_params.restart_fw ? -1 : 0; mvm->aux_queue = 15; mvm->first_agg_queue = 16; mvm->last_agg_queue = mvm->cfg->base_params->num_of_queues - 1; if (mvm->cfg->base_params->num_of_queues == 16) { mvm->aux_queue = 11; mvm->first_agg_queue = 12; } mvm->sf_state = SF_UNINIT; mutex_init(&mvm->mutex); mutex_init(&mvm->d0i3_suspend_mutex); spin_lock_init(&mvm->async_handlers_lock); INIT_LIST_HEAD(&mvm->time_event_list); INIT_LIST_HEAD(&mvm->async_handlers_list); spin_lock_init(&mvm->time_event_lock); INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); INIT_WORK(&mvm->sta_drained_wk, iwl_mvm_sta_drained_wk); INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work); spin_lock_init(&mvm->d0i3_tx_lock); skb_queue_head_init(&mvm->d0i3_tx); init_waitqueue_head(&mvm->d0i3_exit_waitq); SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); /* * Populate the state variables that the transport layer needs * to know about. */ trans_cfg.op_mode = op_mode; trans_cfg.no_reclaim_cmds = no_reclaim_cmds; trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); trans_cfg.rx_buf_size_8k = iwlwifi_mod_params.amsdu_size_8K; if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_DW_BC_TABLE) trans_cfg.bc_table_dword = true; if (!iwlwifi_mod_params.wd_disable) trans_cfg.queue_watchdog_timeout = cfg->base_params->wd_timeout; else trans_cfg.queue_watchdog_timeout = IWL_WATCHDOG_DISABLED; trans_cfg.command_names = iwl_mvm_cmd_strings; trans_cfg.cmd_queue = IWL_MVM_CMD_QUEUE; trans_cfg.cmd_fifo = IWL_MVM_CMD_FIFO; snprintf(mvm->hw->wiphy->fw_version, sizeof(mvm->hw->wiphy->fw_version), "%s", fw->fw_version); /* Configure transport layer */ iwl_trans_configure(mvm->trans, &trans_cfg); trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD; trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_res_start); /* set up notification wait support */ iwl_notification_wait_init(&mvm->notif_wait); /* Init phy db */ mvm->phy_db = iwl_phy_db_init(trans); if (!mvm->phy_db) { IWL_ERR(mvm, "Cannot init phy_db\n"); goto out_free; } IWL_INFO(mvm, "Detected %s, REV=0x%X\n", mvm->cfg->name, mvm->trans->hw_rev); min_backoff = calc_min_backoff(trans, cfg); iwl_mvm_tt_initialize(mvm, min_backoff); /* set the nvm_file_name according to priority */ if (iwlwifi_mod_params.nvm_file) mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; else mvm->nvm_file_name = mvm->cfg->default_nvm_file; if (WARN(cfg->no_power_up_nic_in_init && !mvm->nvm_file_name, "not allowing power-up and not having nvm_file\n")) goto out_free; /* * Even if nvm exists in the nvm_file driver should read agin the nvm * from the nic because there might be entries that exist in the OTP * and not in the file. * for nics with no_power_up_nic_in_init: rely completley on nvm_file */ if (cfg->no_power_up_nic_in_init && mvm->nvm_file_name) { err = iwl_nvm_init(mvm, false); if (err) goto out_free; } else { err = iwl_trans_start_hw(mvm->trans); if (err) goto out_free; mutex_lock(&mvm->mutex); err = iwl_run_init_mvm_ucode(mvm, true); iwl_trans_stop_device(trans); mutex_unlock(&mvm->mutex); /* returns 0 if successful, 1 if success but in rfkill */ if (err < 0 && !iwlmvm_mod_params.init_dbg) { IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err); goto out_free; } } scan_size = sizeof(struct iwl_scan_cmd) + mvm->fw->ucode_capa.max_probe_length + (MAX_NUM_SCAN_CHANNELS * sizeof(struct iwl_scan_channel)); mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); if (!mvm->scan_cmd) goto out_free; err = iwl_mvm_mac_setup_register(mvm); if (err) goto out_free; err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir); if (err) goto out_unregister; memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); /* rpm starts with a taken ref. only set the appropriate bit here. */ set_bit(IWL_MVM_REF_UCODE_DOWN, mvm->ref_bitmap); return op_mode; out_unregister: ieee80211_unregister_hw(mvm->hw); iwl_mvm_leds_exit(mvm); out_free: iwl_phy_db_free(mvm->phy_db); kfree(mvm->scan_cmd); if (!cfg->no_power_up_nic_in_init || !mvm->nvm_file_name) iwl_trans_op_mode_leave(trans); ieee80211_free_hw(mvm->hw); return NULL; }
/* send paging cmd to FW in case CPU2 has paging image */ static int iwl_send_paging_cmd(struct iwl_mvm *mvm, const struct fw_img *fw) { int blk_idx; __le32 dev_phy_addr; struct iwl_fw_paging_cmd fw_paging_cmd = { .flags = cpu_to_le32(PAGING_CMD_IS_SECURED | PAGING_CMD_IS_ENABLED | (mvm->num_of_pages_in_last_blk << PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS)), .block_size = cpu_to_le32(BLOCK_2_EXP_SIZE), .block_num = cpu_to_le32(mvm->num_of_paging_blk), }; /* loop for for all paging blocks + CSS block */ for (blk_idx = 0; blk_idx < mvm->num_of_paging_blk + 1; blk_idx++) { dev_phy_addr = cpu_to_le32(mvm->fw_paging_db[blk_idx].fw_paging_phys >> PAGE_2_EXP_SIZE); fw_paging_cmd.device_phy_addr[blk_idx] = dev_phy_addr; } return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(FW_PAGING_BLOCK_CMD, IWL_ALWAYS_LONG_GROUP, 0), 0, sizeof(fw_paging_cmd), &fw_paging_cmd); } /* * Send paging item cmd to FW in case CPU2 has paging image */ static int iwl_trans_get_paging_item(struct iwl_mvm *mvm) { int ret; struct iwl_fw_get_item_cmd fw_get_item_cmd = { .item_id = cpu_to_le32(IWL_FW_ITEM_ID_PAGING), }; struct iwl_fw_get_item_resp *item_resp; struct iwl_host_cmd cmd = { .id = iwl_cmd_id(FW_GET_ITEM_CMD, IWL_ALWAYS_LONG_GROUP, 0), .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL, .data = { &fw_get_item_cmd, }, }; cmd.len[0] = sizeof(struct iwl_fw_get_item_cmd); ret = iwl_mvm_send_cmd(mvm, &cmd); if (ret) { IWL_ERR(mvm, "Paging: Failed to send FW_GET_ITEM_CMD cmd (err = %d)\n", ret); return ret; } item_resp = (void *)((struct iwl_rx_packet *)cmd.resp_pkt)->data; if (item_resp->item_id != cpu_to_le32(IWL_FW_ITEM_ID_PAGING)) { IWL_ERR(mvm, "Paging: got wrong item in FW_GET_ITEM_CMD resp (item_id = %u)\n", le32_to_cpu(item_resp->item_id)); ret = -EIO; goto exit; } mvm->trans->paging_download_buf = kzalloc(MAX_PAGING_IMAGE_SIZE, GFP_KERNEL); if (!mvm->trans->paging_download_buf) { ret = -ENOMEM; goto exit; } mvm->trans->paging_req_addr = le32_to_cpu(item_resp->item_val); mvm->trans->paging_db = mvm->fw_paging_db; IWL_DEBUG_FW(mvm, "Paging: got paging request address (paging_req_addr 0x%08x)\n", mvm->trans->paging_req_addr); exit: iwl_free_resp(&cmd); return ret; } static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait, struct iwl_rx_packet *pkt, void *data) { struct iwl_mvm *mvm = container_of(notif_wait, struct iwl_mvm, notif_wait); struct iwl_mvm_alive_data *alive_data = data; struct mvm_alive_resp_ver1 *palive1; struct mvm_alive_resp_ver2 *palive2; struct mvm_alive_resp *palive; if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive1)) { palive1 = (void *)pkt->data; mvm->support_umac_log = false; mvm->error_event_table = le32_to_cpu(palive1->error_event_table_ptr); mvm->log_event_table = le32_to_cpu(palive1->log_event_table_ptr); alive_data->scd_base_addr = le32_to_cpu(palive1->scd_base_ptr); alive_data->valid = le16_to_cpu(palive1->status) == IWL_ALIVE_STATUS_OK; IWL_DEBUG_FW(mvm, "Alive VER1 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n", le16_to_cpu(palive1->status), palive1->ver_type, palive1->ver_subtype, palive1->flags); } else if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive2)) { palive2 = (void *)pkt->data; mvm->error_event_table = le32_to_cpu(palive2->error_event_table_ptr); mvm->log_event_table = le32_to_cpu(palive2->log_event_table_ptr); alive_data->scd_base_addr = le32_to_cpu(palive2->scd_base_ptr); mvm->umac_error_event_table = le32_to_cpu(palive2->error_info_addr); mvm->sf_space.addr = le32_to_cpu(palive2->st_fwrd_addr); mvm->sf_space.size = le32_to_cpu(palive2->st_fwrd_size); alive_data->valid = le16_to_cpu(palive2->status) == IWL_ALIVE_STATUS_OK; if (mvm->umac_error_event_table) mvm->support_umac_log = true; IWL_DEBUG_FW(mvm, "Alive VER2 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n", le16_to_cpu(palive2->status), palive2->ver_type, palive2->ver_subtype, palive2->flags); IWL_DEBUG_FW(mvm, "UMAC version: Major - 0x%x, Minor - 0x%x\n", palive2->umac_major, palive2->umac_minor); } else if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) { palive = (void *)pkt->data; mvm->error_event_table = le32_to_cpu(palive->error_event_table_ptr); mvm->log_event_table = le32_to_cpu(palive->log_event_table_ptr); alive_data->scd_base_addr = le32_to_cpu(palive->scd_base_ptr); mvm->umac_error_event_table = le32_to_cpu(palive->error_info_addr); mvm->sf_space.addr = le32_to_cpu(palive->st_fwrd_addr); mvm->sf_space.size = le32_to_cpu(palive->st_fwrd_size); alive_data->valid = le16_to_cpu(palive->status) == IWL_ALIVE_STATUS_OK; if (mvm->umac_error_event_table) mvm->support_umac_log = true; IWL_DEBUG_FW(mvm, "Alive VER3 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n", le16_to_cpu(palive->status), palive->ver_type, palive->ver_subtype, palive->flags); IWL_DEBUG_FW(mvm, "UMAC version: Major - 0x%x, Minor - 0x%x\n", le32_to_cpu(palive->umac_major), le32_to_cpu(palive->umac_minor)); } return true; } static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait, struct iwl_rx_packet *pkt, void *data) { struct iwl_phy_db *phy_db = data; if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) { WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF); return true; } WARN_ON(iwl_phy_db_set_section(phy_db, pkt, GFP_ATOMIC)); return false; } static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm, enum iwl_ucode_type ucode_type) { struct iwl_notification_wait alive_wait; struct iwl_mvm_alive_data alive_data; const struct fw_img *fw; int ret, i; enum iwl_ucode_type old_type = mvm->cur_ucode; static const u16 alive_cmd[] = { MVM_ALIVE }; struct iwl_sf_region st_fwrd_space; if (ucode_type == IWL_UCODE_REGULAR && iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE)) fw = iwl_get_ucode_image(mvm, IWL_UCODE_REGULAR_USNIFFER); else fw = iwl_get_ucode_image(mvm, ucode_type); if (WARN_ON(!fw)) return -EINVAL; mvm->cur_ucode = ucode_type; mvm->ucode_loaded = false; iwl_init_notification_wait(&mvm->notif_wait, &alive_wait, alive_cmd, ARRAY_SIZE(alive_cmd), iwl_alive_fn, &alive_data); ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT); if (ret) { mvm->cur_ucode = old_type; iwl_remove_notification(&mvm->notif_wait, &alive_wait); return ret; } /* * Some things may run in the background now, but we * just wait for the ALIVE notification here. */ ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait, MVM_UCODE_ALIVE_TIMEOUT); if (ret) { if (mvm->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) IWL_ERR(mvm, "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n", iwl_read_prph(mvm->trans, SB_CPU_1_STATUS), iwl_read_prph(mvm->trans, SB_CPU_2_STATUS)); mvm->cur_ucode = old_type; return ret; } if (!alive_data.valid) { IWL_ERR(mvm, "Loaded ucode is not valid!\n"); mvm->cur_ucode = old_type; return -EIO; } /* * update the sdio allocation according to the pointer we get in the * alive notification. */ st_fwrd_space.addr = mvm->sf_space.addr; st_fwrd_space.size = mvm->sf_space.size; ret = iwl_trans_update_sf(mvm->trans, &st_fwrd_space); if (ret) { IWL_ERR(mvm, "Failed to update SF size. ret %d\n", ret); return ret; } iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr); /* * configure and operate fw paging mechanism. * driver configures the paging flow only once, CPU2 paging image * included in the IWL_UCODE_INIT image. */ if (fw->paging_mem_size) { /* * When dma is not enabled, the driver needs to copy / write * the downloaded / uploaded page to / from the smem. * This gets the location of the place were the pages are * stored. */ if (!is_device_dma_capable(mvm->trans->dev)) { ret = iwl_trans_get_paging_item(mvm); if (ret) { IWL_ERR(mvm, "failed to get FW paging item\n"); return ret; } } ret = iwl_save_fw_paging(mvm, fw); if (ret) { IWL_ERR(mvm, "failed to save the FW paging image\n"); return ret; } ret = iwl_send_paging_cmd(mvm, fw); if (ret) { IWL_ERR(mvm, "failed to send the paging cmd\n"); iwl_free_fw_paging(mvm); return ret; } } /* * Note: all the queues are enabled as part of the interface * initialization, but in firmware restart scenarios they * could be stopped, so wake them up. In firmware restart, * mac80211 will have the queues stopped as well until the * reconfiguration completes. During normal startup, they * will be empty. */ memset(&mvm->queue_info, 0, sizeof(mvm->queue_info)); mvm->queue_info[IWL_MVM_CMD_QUEUE].hw_queue_refcount = 1; for (i = 0; i < IEEE80211_MAX_QUEUES; i++) atomic_set(&mvm->mac80211_queue_stop_count[i], 0); mvm->ucode_loaded = true; return 0; } static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm) { struct iwl_phy_cfg_cmd phy_cfg_cmd; enum iwl_ucode_type ucode_type = mvm->cur_ucode; /* Set parameters */ phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm)); phy_cfg_cmd.calib_control.event_trigger = mvm->fw->default_calib[ucode_type].event_trigger; phy_cfg_cmd.calib_control.flow_trigger = mvm->fw->default_calib[ucode_type].flow_trigger; IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n", phy_cfg_cmd.phy_cfg); return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0, sizeof(phy_cfg_cmd), &phy_cfg_cmd); } int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) { struct iwl_notification_wait calib_wait; static const u16 init_complete[] = { INIT_COMPLETE_NOTIF, CALIB_RES_NOTIF_PHY_DB }; int ret; lockdep_assert_held(&mvm->mutex); if (WARN_ON_ONCE(mvm->calibrating)) return 0; iwl_init_notification_wait(&mvm->notif_wait, &calib_wait, init_complete, ARRAY_SIZE(init_complete), iwl_wait_phy_db_entry, mvm->phy_db); /* Will also start the device */ ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT); if (ret) { IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret); goto error; } ret = iwl_send_bt_init_conf(mvm); if (ret) goto error; /* Read the NVM only at driver load time, no need to do this twice */ if (read_nvm) { /* Read nvm */ ret = iwl_nvm_init(mvm, true); if (ret) { IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); goto error; } } /* In case we read the NVM from external file, load it to the NIC */ if (mvm->nvm_file_name) iwl_mvm_load_nvm_to_nic(mvm); ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans); WARN_ON(ret); /* * abort after reading the nvm in case RF Kill is on, we will complete * the init seq later when RF kill will switch to off */ if (iwl_mvm_is_radio_hw_killed(mvm)) { IWL_DEBUG_RF_KILL(mvm, "jump over all phy activities due to RF kill\n"); iwl_remove_notification(&mvm->notif_wait, &calib_wait); ret = 1; goto out; } mvm->calibrating = true; /* Send TX valid antennas before triggering calibrations */ ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); if (ret) goto error; /* * Send phy configurations command to init uCode * to start the 16.0 uCode init image internal calibrations. */ ret = iwl_send_phy_cfg_cmd(mvm); if (ret) { IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n", ret); goto error; } /* * Some things may run in the background now, but we * just wait for the calibration complete notification. */ ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait, MVM_UCODE_CALIB_TIMEOUT); if (ret && iwl_mvm_is_radio_hw_killed(mvm)) { IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n"); ret = 1; } goto out; error: iwl_remove_notification(&mvm->notif_wait, &calib_wait); out: mvm->calibrating = false; if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) { /* we want to debug INIT and we have no NVM - fake */ mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) + sizeof(struct ieee80211_channel) + sizeof(struct ieee80211_rate), GFP_KERNEL); if (!mvm->nvm_data) return -ENOMEM; mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels; mvm->nvm_data->bands[0].n_channels = 1; mvm->nvm_data->bands[0].n_bitrates = 1; mvm->nvm_data->bands[0].bitrates = (void *)mvm->nvm_data->channels + 1; mvm->nvm_data->bands[0].bitrates->hw_value = 10; } return ret; } static void iwl_mvm_get_shared_mem_conf(struct iwl_mvm *mvm) { struct iwl_host_cmd cmd = { .id = SHARED_MEM_CFG, .flags = CMD_WANT_SKB, .data = { NULL, }, .len = { 0, }, }; struct iwl_rx_packet *pkt; struct iwl_shared_mem_cfg *mem_cfg; u32 i; lockdep_assert_held(&mvm->mutex); if (WARN_ON(iwl_mvm_send_cmd(mvm, &cmd))) return; pkt = cmd.resp_pkt; mem_cfg = (void *)pkt->data; mvm->shared_mem_cfg.shared_mem_addr = le32_to_cpu(mem_cfg->shared_mem_addr); mvm->shared_mem_cfg.shared_mem_size = le32_to_cpu(mem_cfg->shared_mem_size); mvm->shared_mem_cfg.sample_buff_addr = le32_to_cpu(mem_cfg->sample_buff_addr); mvm->shared_mem_cfg.sample_buff_size = le32_to_cpu(mem_cfg->sample_buff_size); mvm->shared_mem_cfg.txfifo_addr = le32_to_cpu(mem_cfg->txfifo_addr); for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.txfifo_size); i++) mvm->shared_mem_cfg.txfifo_size[i] = le32_to_cpu(mem_cfg->txfifo_size[i]); for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.rxfifo_size); i++) mvm->shared_mem_cfg.rxfifo_size[i] = le32_to_cpu(mem_cfg->rxfifo_size[i]); mvm->shared_mem_cfg.page_buff_addr = le32_to_cpu(mem_cfg->page_buff_addr); mvm->shared_mem_cfg.page_buff_size = le32_to_cpu(mem_cfg->page_buff_size); IWL_DEBUG_INFO(mvm, "SHARED MEM CFG: got memory offsets/sizes\n"); iwl_free_resp(&cmd); }
int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) { struct iwl_notification_wait calib_wait; static const u8 init_complete[] = { INIT_COMPLETE_NOTIF, CALIB_RES_NOTIF_PHY_DB }; int ret; lockdep_assert_held(&mvm->mutex); if (WARN_ON_ONCE(mvm->calibrating)) return 0; iwl_init_notification_wait(&mvm->notif_wait, &calib_wait, init_complete, ARRAY_SIZE(init_complete), iwl_wait_phy_db_entry, mvm->phy_db); /* Will also start the device */ ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT); if (ret) { IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret); goto error; } ret = iwl_send_bt_init_conf(mvm); if (ret) goto error; /* Read the NVM only at driver load time, no need to do this twice */ if (read_nvm) { /* Read nvm */ ret = iwl_nvm_init(mvm, true); if (ret) { IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); goto error; } } /* In case we read the NVM from external file, load it to the NIC */ if (mvm->nvm_file_name) iwl_mvm_load_nvm_to_nic(mvm); ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans); WARN_ON(ret); /* * abort after reading the nvm in case RF Kill is on, we will complete * the init seq later when RF kill will switch to off */ if (iwl_mvm_is_radio_killed(mvm)) { IWL_DEBUG_RF_KILL(mvm, "jump over all phy activities due to RF kill\n"); iwl_remove_notification(&mvm->notif_wait, &calib_wait); ret = 1; goto out; } mvm->calibrating = true; /* Send TX valid antennas before triggering calibrations */ ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); if (ret) goto error; /* * Send phy configurations command to init uCode * to start the 16.0 uCode init image internal calibrations. */ ret = iwl_send_phy_cfg_cmd(mvm); if (ret) { IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n", ret); goto error; } /* * Some things may run in the background now, but we * just wait for the calibration complete notification. */ ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait, MVM_UCODE_CALIB_TIMEOUT); if (ret && iwl_mvm_is_radio_killed(mvm)) { IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n"); ret = 1; } goto out; error: iwl_remove_notification(&mvm->notif_wait, &calib_wait); out: mvm->calibrating = false; if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) { /* we want to debug INIT and we have no NVM - fake */ mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) + sizeof(struct ieee80211_channel) + sizeof(struct ieee80211_rate), GFP_KERNEL); if (!mvm->nvm_data) return -ENOMEM; mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels; mvm->nvm_data->bands[0].n_channels = 1; mvm->nvm_data->bands[0].n_bitrates = 1; mvm->nvm_data->bands[0].bitrates = (void *)mvm->nvm_data->channels + 1; mvm->nvm_data->bands[0].bitrates->hw_value = 10; } return ret; }
static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) { struct iwl_notification_wait init_wait; struct iwl_nvm_access_complete_cmd nvm_complete = {}; struct iwl_init_extended_cfg_cmd init_cfg = { .init_flags = cpu_to_le32(BIT(IWL_INIT_NVM)), }; static const u16 init_complete[] = { INIT_COMPLETE_NOTIF, }; int ret; lockdep_assert_held(&mvm->mutex); iwl_init_notification_wait(&mvm->notif_wait, &init_wait, init_complete, ARRAY_SIZE(init_complete), iwl_wait_init_complete, NULL); /* Will also start the device */ ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR); if (ret) { IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret); goto error; } /* Send init config command to mark that we are sending NVM access * commands */ ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(SYSTEM_GROUP, INIT_EXTENDED_CFG_CMD), 0, sizeof(init_cfg), &init_cfg); if (ret) { IWL_ERR(mvm, "Failed to run init config command: %d\n", ret); goto error; } /* Load NVM to NIC if needed */ if (mvm->nvm_file_name) { iwl_read_external_nvm(mvm->trans, mvm->nvm_file_name, mvm->nvm_sections); iwl_mvm_load_nvm_to_nic(mvm); } if (IWL_MVM_PARSE_NVM && read_nvm) { ret = iwl_nvm_init(mvm); if (ret) { IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); goto error; } } ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP, NVM_ACCESS_COMPLETE), 0, sizeof(nvm_complete), &nvm_complete); if (ret) { IWL_ERR(mvm, "Failed to run complete NVM access: %d\n", ret); goto error; } /* We wait for the INIT complete notification */ ret = iwl_wait_notification(&mvm->notif_wait, &init_wait, MVM_UCODE_ALIVE_TIMEOUT); if (ret) return ret; /* Read the NVM only at driver load time, no need to do this twice */ if (!IWL_MVM_PARSE_NVM && read_nvm) { mvm->nvm_data = iwl_get_nvm(mvm->trans, mvm->fw); if (IS_ERR(mvm->nvm_data)) { ret = PTR_ERR(mvm->nvm_data); mvm->nvm_data = NULL; IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); return ret; } } return 0; error: iwl_remove_notification(&mvm->notif_wait, &init_wait); return ret; }
static struct iwl_op_mode * iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, const struct iwl_fw *fw, struct dentry *dbgfs_dir) { struct ieee80211_hw *hw; struct iwl_op_mode *op_mode; struct iwl_mvm *mvm; struct iwl_trans_config trans_cfg = {}; static const u8 no_reclaim_cmds[] = { TX_CMD, }; int err, scan_size; /******************************** * 1. Allocating and configuring HW data ********************************/ hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + sizeof(struct iwl_mvm), &iwl_mvm_hw_ops); if (!hw) return NULL; op_mode = hw->priv; op_mode->ops = &iwl_mvm_ops; op_mode->trans = trans; mvm = IWL_OP_MODE_GET_MVM(op_mode); mvm->dev = trans->dev; mvm->trans = trans; mvm->cfg = cfg; mvm->fw = fw; mvm->hw = hw; mvm->restart_fw = iwlwifi_mod_params.restart_fw ? -1 : 0; mvm->aux_queue = 15; mvm->first_agg_queue = 16; mvm->last_agg_queue = mvm->cfg->base_params->num_of_queues - 1; if (mvm->cfg->base_params->num_of_queues == 16) { mvm->aux_queue = 11; mvm->first_agg_queue = 12; } mutex_init(&mvm->mutex); spin_lock_init(&mvm->async_handlers_lock); INIT_LIST_HEAD(&mvm->time_event_list); INIT_LIST_HEAD(&mvm->async_handlers_list); spin_lock_init(&mvm->time_event_lock); INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); INIT_WORK(&mvm->sta_drained_wk, iwl_mvm_sta_drained_wk); SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); /* * Populate the state variables that the transport layer needs * to know about. */ trans_cfg.op_mode = op_mode; trans_cfg.no_reclaim_cmds = no_reclaim_cmds; trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); trans_cfg.rx_buf_size_8k = iwlwifi_mod_params.amsdu_size_8K; if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_DW_BC_TABLE) trans_cfg.bc_table_dword = true; if (!iwlwifi_mod_params.wd_disable) trans_cfg.queue_watchdog_timeout = cfg->base_params->wd_timeout; else trans_cfg.queue_watchdog_timeout = IWL_WATCHDOG_DISABLED; trans_cfg.command_names = iwl_mvm_cmd_strings; trans_cfg.cmd_queue = IWL_MVM_CMD_QUEUE; trans_cfg.cmd_fifo = IWL_MVM_CMD_FIFO; snprintf(mvm->hw->wiphy->fw_version, sizeof(mvm->hw->wiphy->fw_version), "%s", fw->fw_version); /* Configure transport layer */ iwl_trans_configure(mvm->trans, &trans_cfg); trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD; trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_res_start); /* set up notification wait support */ iwl_notification_wait_init(&mvm->notif_wait); /* Init phy db */ mvm->phy_db = iwl_phy_db_init(trans); if (!mvm->phy_db) { IWL_ERR(mvm, "Cannot init phy_db\n"); goto out_free; } IWL_INFO(mvm, "Detected %s, REV=0x%X\n", mvm->cfg->name, mvm->trans->hw_rev); iwl_mvm_tt_initialize(mvm); /* * If the NVM exists in an external file, * there is no need to unnecessarily power up the NIC at driver load */ if (iwlwifi_mod_params.nvm_file) { iwl_nvm_init(mvm); } else { err = iwl_trans_start_hw(mvm->trans); if (err) goto out_free; mutex_lock(&mvm->mutex); err = iwl_run_init_mvm_ucode(mvm, true); mutex_unlock(&mvm->mutex); /* returns 0 if successful, 1 if success but in rfkill */ if (err < 0 && !iwlmvm_mod_params.init_dbg) { IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err); goto out_free; } /* Stop the hw after the ALIVE and NVM has been read */ if (!iwlmvm_mod_params.init_dbg) iwl_trans_stop_hw(mvm->trans, false); } scan_size = sizeof(struct iwl_scan_cmd) + mvm->fw->ucode_capa.max_probe_length + (MAX_NUM_SCAN_CHANNELS * sizeof(struct iwl_scan_channel)); mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); if (!mvm->scan_cmd) goto out_free; err = iwl_mvm_mac_setup_register(mvm); if (err) goto out_free; err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir); if (err) goto out_unregister; if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PM_CMD_SUPPORT) mvm->pm_ops = &pm_mac_ops; else mvm->pm_ops = &pm_legacy_ops; memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); return op_mode; out_unregister: ieee80211_unregister_hw(mvm->hw); iwl_mvm_leds_exit(mvm); out_free: iwl_phy_db_free(mvm->phy_db); kfree(mvm->scan_cmd); if (!iwlwifi_mod_params.nvm_file) iwl_trans_stop_hw(trans, true); ieee80211_free_hw(mvm->hw); return NULL; }
static struct iwl_op_mode * iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, const struct iwl_fw *fw, struct dentry *dbgfs_dir) { struct ieee80211_hw *hw; struct iwl_op_mode *op_mode; struct iwl_mvm *mvm; struct iwl_trans_config trans_cfg = {}; static const u8 no_reclaim_cmds[] = { TX_CMD, }; int err, scan_size; u32 min_backoff; /* * We use IWL_MVM_STATION_COUNT to check the validity of the station * index all over the driver - check that its value corresponds to the * array size. */ BUILD_BUG_ON(ARRAY_SIZE(mvm->fw_id_to_mac_id) != IWL_MVM_STATION_COUNT); /******************************** * 1. Allocating and configuring HW data ********************************/ hw = ieee80211_alloc_hw(sizeof(struct iwl_op_mode) + sizeof(struct iwl_mvm), &iwl_mvm_hw_ops); if (!hw) return NULL; if (cfg->max_rx_agg_size) hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size; if (cfg->max_tx_agg_size) hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size; op_mode = hw->priv; op_mode->ops = &iwl_mvm_ops; mvm = IWL_OP_MODE_GET_MVM(op_mode); mvm->dev = trans->dev; mvm->trans = trans; mvm->cfg = cfg; mvm->fw = fw; mvm->hw = hw; mvm->restart_fw = iwlwifi_mod_params.restart_fw ? -1 : 0; mvm->aux_queue = 15; mvm->first_agg_queue = 16; mvm->last_agg_queue = mvm->cfg->base_params->num_of_queues - 1; if (mvm->cfg->base_params->num_of_queues == 16) { mvm->aux_queue = 11; mvm->first_agg_queue = 12; } mvm->sf_state = SF_UNINIT; mvm->low_latency_agg_frame_limit = 6; mvm->cur_ucode = IWL_UCODE_INIT; mutex_init(&mvm->mutex); mutex_init(&mvm->d0i3_suspend_mutex); spin_lock_init(&mvm->async_handlers_lock); INIT_LIST_HEAD(&mvm->time_event_list); INIT_LIST_HEAD(&mvm->aux_roc_te_list); INIT_LIST_HEAD(&mvm->async_handlers_list); spin_lock_init(&mvm->time_event_lock); mvm->workqueue = create_singlethread_workqueue(DRV_NAME); if (!mvm->workqueue) { ieee80211_free_hw(mvm->hw); return NULL; } INIT_WORK(&mvm->async_handlers_wk, iwl_mvm_async_handlers_wk); INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk); INIT_WORK(&mvm->sta_drained_wk, iwl_mvm_sta_drained_wk); INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work); INIT_DELAYED_WORK(&mvm->fw_dump_wk, iwl_mvm_fw_error_dump_wk); INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); spin_lock_init(&mvm->d0i3_tx_lock); spin_lock_init(&mvm->refs_lock); skb_queue_head_init(&mvm->d0i3_tx); init_waitqueue_head(&mvm->d0i3_exit_waitq); SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); /* * Populate the state variables that the transport layer needs * to know about. */ trans_cfg.op_mode = op_mode; trans_cfg.no_reclaim_cmds = no_reclaim_cmds; trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); trans_cfg.rx_buf_size_8k = iwlwifi_mod_params.amsdu_size_8K; if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_DW_BC_TABLE) trans_cfg.bc_table_dword = true; trans_cfg.command_names = iwl_mvm_cmd_strings; trans_cfg.cmd_queue = IWL_MVM_CMD_QUEUE; trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD; trans_cfg.scd_set_active = true; trans_cfg.sdio_adma_addr = fw->sdio_adma_addr; /* Set a short watchdog for the command queue */ trans_cfg.cmd_q_wdg_timeout = iwl_mvm_get_wd_timeout(mvm, NULL, false, true); snprintf(mvm->hw->wiphy->fw_version, sizeof(mvm->hw->wiphy->fw_version), "%s", fw->fw_version); /* Configure transport layer */ iwl_trans_configure(mvm->trans, &trans_cfg); trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD; trans->rx_mpdu_cmd_hdr_size = sizeof(struct iwl_rx_mpdu_res_start); trans->dbg_dest_tlv = mvm->fw->dbg_dest_tlv; trans->dbg_dest_reg_num = mvm->fw->dbg_dest_reg_num; memcpy(trans->dbg_conf_tlv, mvm->fw->dbg_conf_tlv, sizeof(trans->dbg_conf_tlv)); trans->dbg_trigger_tlv = mvm->fw->dbg_trigger_tlv; /* set up notification wait support */ iwl_notification_wait_init(&mvm->notif_wait); /* Init phy db */ mvm->phy_db = iwl_phy_db_init(trans); if (!mvm->phy_db) { IWL_ERR(mvm, "Cannot init phy_db\n"); goto out_free; } IWL_INFO(mvm, "Detected %s, REV=0x%X\n", mvm->cfg->name, mvm->trans->hw_rev); min_backoff = calc_min_backoff(trans, cfg); iwl_mvm_tt_initialize(mvm, min_backoff); /* set the nvm_file_name according to priority */ if (iwlwifi_mod_params.nvm_file) { mvm->nvm_file_name = iwlwifi_mod_params.nvm_file; } else if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) { if (CSR_HW_REV_STEP(trans->hw_rev) == SILICON_B_STEP) mvm->nvm_file_name = mvm->cfg->default_nvm_file_B_step; else mvm->nvm_file_name = mvm->cfg->default_nvm_file_C_step; } if (WARN(cfg->no_power_up_nic_in_init && !mvm->nvm_file_name, "not allowing power-up and not having nvm_file\n")) goto out_free; /* * Even if nvm exists in the nvm_file driver should read again the nvm * from the nic because there might be entries that exist in the OTP * and not in the file. * for nics with no_power_up_nic_in_init: rely completley on nvm_file */ if (cfg->no_power_up_nic_in_init && mvm->nvm_file_name) { err = iwl_nvm_init(mvm, false); if (err) goto out_free; } else { err = iwl_trans_start_hw(mvm->trans); if (err) goto out_free; mutex_lock(&mvm->mutex); err = iwl_run_init_mvm_ucode(mvm, true); if (!err || !iwlmvm_mod_params.init_dbg) iwl_trans_stop_device(trans); mutex_unlock(&mvm->mutex); /* returns 0 if successful, 1 if success but in rfkill */ if (err < 0 && !iwlmvm_mod_params.init_dbg) { IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", err); goto out_free; } } scan_size = iwl_mvm_scan_size(mvm); mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); if (!mvm->scan_cmd) goto out_free; /* Set EBS as successful as long as not stated otherwise by the FW. */ mvm->last_ebs_successful = true; err = iwl_mvm_mac_setup_register(mvm); if (err) goto out_free; err = iwl_mvm_dbgfs_register(mvm, dbgfs_dir); if (err) goto out_unregister; memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); /* rpm starts with a taken ref. only set the appropriate bit here. */ mvm->refs[IWL_MVM_REF_UCODE_DOWN] = 1; return op_mode; out_unregister: ieee80211_unregister_hw(mvm->hw); iwl_mvm_leds_exit(mvm); out_free: iwl_phy_db_free(mvm->phy_db); kfree(mvm->scan_cmd); if (!cfg->no_power_up_nic_in_init || !mvm->nvm_file_name) iwl_trans_op_mode_leave(trans); destroy_workqueue(mvm->workqueue); ieee80211_free_hw(mvm->hw); return NULL; }