--- zzzz-none-000/linux-3.10.107/drivers/net/wireless/iwlwifi/mvm/fw.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/net/wireless/iwlwifi/mvm/fw.c 2021-02-04 17:41:59.000000000 +0000 @@ -5,7 +5,8 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +31,8 @@ * * BSD LICENSE * - * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. + * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -68,6 +70,7 @@ #include "iwl-debug.h" #include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */ #include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */ +#include "iwl-prph.h" #include "iwl-eeprom-parse.h" #include "mvm.h" @@ -78,22 +81,6 @@ #define UCODE_VALID_OK cpu_to_le32(0x1) -/* Default calibration values for WkP - set to INIT image w/o running */ -static const u8 wkp_calib_values_rx_iq_skew[] = { 0x00, 0x00, 0x01, 0x00 }; -static const u8 wkp_calib_values_tx_iq_skew[] = { 0x01, 0x00, 0x00, 0x00 }; - -struct iwl_calib_default_data { - u16 size; - void *data; -}; - -#define CALIB_SIZE_N_DATA(_buf) {.size = sizeof(_buf), .data = &_buf} - -static const struct iwl_calib_default_data wkp_calib_default_data[12] = { - [9] = CALIB_SIZE_N_DATA(wkp_calib_values_tx_iq_skew), - [11] = CALIB_SIZE_N_DATA(wkp_calib_values_rx_iq_skew), -}; - struct iwl_mvm_alive_data { bool valid; u32 scd_base_addr; @@ -115,29 +102,392 @@ }; IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant); - return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, CMD_SYNC, + return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0, sizeof(tx_ant_cmd), &tx_ant_cmd); } +void iwl_free_fw_paging(struct iwl_mvm *mvm) +{ + int i; + + if (!mvm->fw_paging_db[0].fw_paging_block) + return; + + for (i = 0; i < NUM_OF_FW_PAGING_BLOCKS; i++) { + if (!mvm->fw_paging_db[i].fw_paging_block) { + IWL_DEBUG_FW(mvm, + "Paging: block %d already freed, continue to next page\n", + i); + + continue; + } + + __free_pages(mvm->fw_paging_db[i].fw_paging_block, + get_order(mvm->fw_paging_db[i].fw_paging_size)); + } + kfree(mvm->trans->paging_download_buf); + mvm->trans->paging_download_buf = NULL; + + memset(mvm->fw_paging_db, 0, sizeof(mvm->fw_paging_db)); +} + +static int iwl_fill_paging_mem(struct iwl_mvm *mvm, const struct fw_img *image) +{ + int sec_idx, idx; + u32 offset = 0; + + /* + * find where is the paging image start point: + * if CPU2 exist and it's in paging format, then the image looks like: + * CPU1 sections (2 or more) + * CPU1_CPU2_SEPARATOR_SECTION delimiter - separate between CPU1 to CPU2 + * CPU2 sections (not paged) + * PAGING_SEPARATOR_SECTION delimiter - separate between CPU2 + * non paged to CPU2 paging sec + * CPU2 paging CSS + * CPU2 paging image (including instruction and data) + */ + for (sec_idx = 0; sec_idx < IWL_UCODE_SECTION_MAX; sec_idx++) { + if (image->sec[sec_idx].offset == PAGING_SEPARATOR_SECTION) { + sec_idx++; + break; + } + } + + if (sec_idx >= IWL_UCODE_SECTION_MAX) { + IWL_ERR(mvm, "driver didn't find paging image\n"); + iwl_free_fw_paging(mvm); + return -EINVAL; + } + + /* copy the CSS block to the dram */ + IWL_DEBUG_FW(mvm, "Paging: load paging CSS to FW, sec = %d\n", + sec_idx); + + memcpy(page_address(mvm->fw_paging_db[0].fw_paging_block), + image->sec[sec_idx].data, + mvm->fw_paging_db[0].fw_paging_size); + + IWL_DEBUG_FW(mvm, + "Paging: copied %d CSS bytes to first block\n", + mvm->fw_paging_db[0].fw_paging_size); + + sec_idx++; + + /* + * copy the paging blocks to the dram + * loop index start from 1 since that CSS block already copied to dram + * and CSS index is 0. + * loop stop at num_of_paging_blk since that last block is not full. + */ + for (idx = 1; idx < mvm->num_of_paging_blk; idx++) { + memcpy(page_address(mvm->fw_paging_db[idx].fw_paging_block), + image->sec[sec_idx].data + offset, + mvm->fw_paging_db[idx].fw_paging_size); + + IWL_DEBUG_FW(mvm, + "Paging: copied %d paging bytes to block %d\n", + mvm->fw_paging_db[idx].fw_paging_size, + idx); + + offset += mvm->fw_paging_db[idx].fw_paging_size; + } + + /* copy the last paging block */ + if (mvm->num_of_pages_in_last_blk > 0) { + memcpy(page_address(mvm->fw_paging_db[idx].fw_paging_block), + image->sec[sec_idx].data + offset, + FW_PAGING_SIZE * mvm->num_of_pages_in_last_blk); + + IWL_DEBUG_FW(mvm, + "Paging: copied %d pages in the last block %d\n", + mvm->num_of_pages_in_last_blk, idx); + } + + return 0; +} + +static int iwl_alloc_fw_paging_mem(struct iwl_mvm *mvm, + const struct fw_img *image) +{ + struct page *block; + dma_addr_t phys = 0; + int blk_idx = 0; + int order, num_of_pages; + int dma_enabled; + + if (mvm->fw_paging_db[0].fw_paging_block) + return 0; + + dma_enabled = is_device_dma_capable(mvm->trans->dev); + + /* ensure BLOCK_2_EXP_SIZE is power of 2 of PAGING_BLOCK_SIZE */ + BUILD_BUG_ON(BIT(BLOCK_2_EXP_SIZE) != PAGING_BLOCK_SIZE); + + num_of_pages = image->paging_mem_size / FW_PAGING_SIZE; + mvm->num_of_paging_blk = ((num_of_pages - 1) / + NUM_OF_PAGE_PER_GROUP) + 1; + + mvm->num_of_pages_in_last_blk = + num_of_pages - + NUM_OF_PAGE_PER_GROUP * (mvm->num_of_paging_blk - 1); + + IWL_DEBUG_FW(mvm, + "Paging: allocating mem for %d paging blocks, each block holds 8 pages, last block holds %d pages\n", + mvm->num_of_paging_blk, + mvm->num_of_pages_in_last_blk); + + /* allocate block of 4Kbytes for paging CSS */ + order = get_order(FW_PAGING_SIZE); + block = alloc_pages(GFP_KERNEL, order); + if (!block) { + /* free all the previous pages since we failed */ + iwl_free_fw_paging(mvm); + return -ENOMEM; + } + + mvm->fw_paging_db[blk_idx].fw_paging_block = block; + mvm->fw_paging_db[blk_idx].fw_paging_size = FW_PAGING_SIZE; + + if (dma_enabled) { + phys = dma_map_page(mvm->trans->dev, block, 0, + PAGE_SIZE << order, DMA_BIDIRECTIONAL); + if (dma_mapping_error(mvm->trans->dev, phys)) { + /* + * free the previous pages and the current one since + * we failed to map_page. + */ + iwl_free_fw_paging(mvm); + return -ENOMEM; + } + mvm->fw_paging_db[blk_idx].fw_paging_phys = phys; + } else { + mvm->fw_paging_db[blk_idx].fw_paging_phys = PAGING_ADDR_SIG | + blk_idx << BLOCK_2_EXP_SIZE; + } + + IWL_DEBUG_FW(mvm, + "Paging: allocated 4K(CSS) bytes (order %d) for firmware paging.\n", + order); + + /* + * allocate blocks in dram. + * since that CSS allocated in fw_paging_db[0] loop start from index 1 + */ + for (blk_idx = 1; blk_idx < mvm->num_of_paging_blk + 1; blk_idx++) { + /* allocate block of PAGING_BLOCK_SIZE (32K) */ + order = get_order(PAGING_BLOCK_SIZE); + block = alloc_pages(GFP_KERNEL, order); + if (!block) { + /* free all the previous pages since we failed */ + iwl_free_fw_paging(mvm); + return -ENOMEM; + } + + mvm->fw_paging_db[blk_idx].fw_paging_block = block; + mvm->fw_paging_db[blk_idx].fw_paging_size = PAGING_BLOCK_SIZE; + + if (dma_enabled) { + phys = dma_map_page(mvm->trans->dev, block, 0, + PAGE_SIZE << order, + DMA_BIDIRECTIONAL); + if (dma_mapping_error(mvm->trans->dev, phys)) { + /* + * free the previous pages and the current one + * since we failed to map_page. + */ + iwl_free_fw_paging(mvm); + return -ENOMEM; + } + mvm->fw_paging_db[blk_idx].fw_paging_phys = phys; + } else { + mvm->fw_paging_db[blk_idx].fw_paging_phys = + PAGING_ADDR_SIG | + blk_idx << BLOCK_2_EXP_SIZE; + } + + IWL_DEBUG_FW(mvm, + "Paging: allocated 32K bytes (order %d) for firmware paging.\n", + order); + } + + return 0; +} + +static int iwl_save_fw_paging(struct iwl_mvm *mvm, + const struct fw_img *fw) +{ + int ret; + + ret = iwl_alloc_fw_paging_mem(mvm, fw); + if (ret) + return ret; + + return iwl_fill_paging_mem(mvm, fw); +} + +/* 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; - 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); + if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive1)) { + palive1 = (void *)pkt->data; - alive_data->valid = le16_to_cpu(palive->status) == IWL_ALIVE_STATUS_OK; - IWL_DEBUG_FW(mvm, - "Alive 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); + 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; } @@ -165,16 +515,19 @@ const struct fw_img *fw; int ret, i; enum iwl_ucode_type old_type = mvm->cur_ucode; - static const u8 alive_cmd[] = { MVM_ALIVE }; + 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; - fw = iwl_get_ucode_image(mvm, ucode_type); - mvm->ucode_loaded = false; - if (!fw) - return -EINVAL; - iwl_init_notification_wait(&mvm->notif_wait, &alive_wait, alive_cmd, ARRAY_SIZE(alive_cmd), iwl_alive_fn, &alive_data); @@ -193,6 +546,11 @@ 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; } @@ -203,9 +561,55 @@ 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, @@ -214,15 +618,11 @@ * will be empty. */ - for (i = 0; i < IWL_MAX_HW_QUEUES; i++) { - if (i < IWL_MVM_FIRST_AGG_QUEUE && i != IWL_MVM_CMD_QUEUE) - mvm->queue_to_mac80211[i] = i; - else - mvm->queue_to_mac80211[i] = IWL_INVALID_MAC80211_QUEUE; - atomic_set(&mvm->queue_stop_count[i], 0); - } + memset(&mvm->queue_info, 0, sizeof(mvm->queue_info)); + mvm->queue_info[IWL_MVM_CMD_QUEUE].hw_queue_refcount = 1; - mvm->transport_queue_stop = 0; + for (i = 0; i < IEEE80211_MAX_QUEUES; i++) + atomic_set(&mvm->mac80211_queue_stop_count[i], 0); mvm->ucode_loaded = true; @@ -235,7 +635,7 @@ enum iwl_ucode_type ucode_type = mvm->cur_ucode; /* Set parameters */ - phy_cfg_cmd.phy_cfg = cpu_to_le32(mvm->fw->phy_config); + 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 = @@ -244,48 +644,14 @@ 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, CMD_SYNC, + return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0, sizeof(phy_cfg_cmd), &phy_cfg_cmd); } -static int iwl_set_default_calibrations(struct iwl_mvm *mvm) -{ - u8 cmd_raw[16]; /* holds the variable size commands */ - struct iwl_set_calib_default_cmd *cmd = - (struct iwl_set_calib_default_cmd *)cmd_raw; - int ret, i; - - /* Setting default values for calibrations we don't run */ - for (i = 0; i < ARRAY_SIZE(wkp_calib_default_data); i++) { - u16 cmd_len; - - if (wkp_calib_default_data[i].size == 0) - continue; - - memset(cmd_raw, 0, sizeof(cmd_raw)); - cmd_len = wkp_calib_default_data[i].size + sizeof(cmd); - cmd->calib_index = cpu_to_le16(i); - cmd->length = cpu_to_le16(wkp_calib_default_data[i].size); - if (WARN_ONCE(cmd_len > sizeof(cmd_raw), - "Need to enlarge cmd_raw to %d\n", cmd_len)) - break; - memcpy(cmd->data, wkp_calib_default_data[i].data, - wkp_calib_default_data[i].size); - ret = iwl_mvm_send_cmd_pdu(mvm, SET_CALIB_DEFAULT_CMD, 0, - sizeof(*cmd) + - wkp_calib_default_data[i].size, - cmd); - if (ret) - return ret; - } - - return 0; -} - int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) { struct iwl_notification_wait calib_wait; - static const u8 init_complete[] = { + static const u16 init_complete[] = { INIT_COMPLETE_NOTIF, CALIB_RES_NOTIF_PHY_DB }; @@ -293,7 +659,7 @@ lockdep_assert_held(&mvm->mutex); - if (mvm->init_ucode_run) + if (WARN_ON_ONCE(mvm->calibrating)) return 0; iwl_init_notification_wait(&mvm->notif_wait, @@ -310,29 +676,43 @@ goto error; } - ret = iwl_send_bt_prio_tbl(mvm); + 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); + 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); - /* Send TX valid antennas before triggering calibrations */ - ret = iwl_send_tx_ant_cfg(mvm, iwl_fw_valid_tx_ant(mvm->fw)); - if (ret) - goto error; + /* + * 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; + } - /* need to set default values */ - ret = iwl_set_default_calibrations(mvm); + 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; @@ -353,16 +733,18 @@ */ ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait, MVM_UCODE_CALIB_TIMEOUT); - if (!ret) - mvm->init_ucode_run = true; + + 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: - if (!iwlmvm_mod_params.init_dbg) { - iwl_trans_stop_device(mvm->trans); - } else if (!mvm->nvm_data) { + 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) + @@ -370,8 +752,6 @@ GFP_KERNEL); if (!mvm->nvm_data) return -ENOMEM; - mvm->nvm_data->valid_rx_ant = 1; - mvm->nvm_data->valid_tx_ant = 1; 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; @@ -383,11 +763,200 @@ return ret; } -#define UCODE_CALIB_TIMEOUT (2*HZ) +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_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm, + struct iwl_mvm_dump_desc *desc, + struct iwl_fw_dbg_trigger_tlv *trigger) +{ + unsigned int delay = 0; + + if (trigger) + delay = msecs_to_jiffies(le32_to_cpu(trigger->stop_delay)); + + if (test_and_set_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status)) + return -EBUSY; + + if (WARN_ON(mvm->fw_dump_desc)) + iwl_mvm_free_fw_dump_desc(mvm); + + IWL_WARN(mvm, "Collecting data: trigger %d fired.\n", + le32_to_cpu(desc->trig_desc.type)); + + mvm->fw_dump_desc = desc; + mvm->fw_dump_trig = trigger; + + queue_delayed_work(system_wq, &mvm->fw_dump_wk, delay); + + return 0; +} + +int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig, + const char *str, size_t len, + struct iwl_fw_dbg_trigger_tlv *trigger) +{ + struct iwl_mvm_dump_desc *desc; + + desc = kzalloc(sizeof(*desc) + len, GFP_ATOMIC); + if (!desc) + return -ENOMEM; + + desc->len = len; + desc->trig_desc.type = cpu_to_le32(trig); + memcpy(desc->trig_desc.data, str, len); + + return iwl_mvm_fw_dbg_collect_desc(mvm, desc, trigger); +} + +int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm, + struct iwl_fw_dbg_trigger_tlv *trigger, + const char *fmt, ...) +{ + u16 occurrences = le16_to_cpu(trigger->occurrences); + int ret, len = 0; + char buf[64]; + + if (!occurrences) + return 0; + + if (fmt) { + va_list ap; + + buf[sizeof(buf) - 1] = '\0'; + + va_start(ap, fmt); + vsnprintf(buf, sizeof(buf), fmt, ap); + va_end(ap); + + /* check for truncation */ + if (WARN_ON_ONCE(buf[sizeof(buf) - 1])) + buf[sizeof(buf) - 1] = '\0'; + + len = strlen(buf) + 1; + } + + ret = iwl_mvm_fw_dbg_collect(mvm, le32_to_cpu(trigger->id), buf, len, + trigger); + + if (ret) + return ret; + + trigger->occurrences = cpu_to_le16(occurrences - 1); + return 0; +} + +static inline void iwl_mvm_restart_early_start(struct iwl_mvm *mvm) +{ + if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000) + iwl_clear_bits_prph(mvm->trans, MON_BUFF_SAMPLE_CTL, 0x100); + else + iwl_write_prph(mvm->trans, DBGC_IN_SAMPLE, 1); +} + +int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 conf_id) +{ + u8 *ptr; + int ret; + int i; + + if (WARN_ONCE(conf_id >= ARRAY_SIZE(mvm->fw->dbg_conf_tlv), + "Invalid configuration %d\n", conf_id)) + return -EINVAL; + + /* EARLY START - firmware's configuration is hard coded */ + if ((!mvm->fw->dbg_conf_tlv[conf_id] || + !mvm->fw->dbg_conf_tlv[conf_id]->num_of_hcmds) && + conf_id == FW_DBG_START_FROM_ALIVE) { + iwl_mvm_restart_early_start(mvm); + return 0; + } + + if (!mvm->fw->dbg_conf_tlv[conf_id]) + return -EINVAL; + + if (mvm->fw_dbg_conf != FW_DBG_INVALID) + IWL_WARN(mvm, "FW already configured (%d) - re-configuring\n", + mvm->fw_dbg_conf); + + /* Send all HCMDs for configuring the FW debug */ + ptr = (void *)&mvm->fw->dbg_conf_tlv[conf_id]->hcmd; + for (i = 0; i < mvm->fw->dbg_conf_tlv[conf_id]->num_of_hcmds; i++) { + struct iwl_fw_dbg_conf_hcmd *cmd = (void *)ptr; + + ret = iwl_mvm_send_cmd_pdu(mvm, cmd->id, 0, + le16_to_cpu(cmd->len), cmd->data); + if (ret) + return ret; + + ptr += sizeof(*cmd); + ptr += le16_to_cpu(cmd->len); + } + + mvm->fw_dbg_conf = conf_id; + + return 0; +} + +static int iwl_mvm_config_ltr(struct iwl_mvm *mvm) +{ + struct iwl_ltr_config_cmd cmd = { + .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE), + }; + + if (!mvm->trans->ltr_enabled) + return 0; + + return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, + sizeof(cmd), &cmd); +} int iwl_mvm_up(struct iwl_mvm *mvm) { int ret, i; + struct ieee80211_channel *chan; + struct cfg80211_chan_def chandef; lockdep_assert_held(&mvm->mutex); @@ -395,13 +964,29 @@ if (ret) return ret; - /* If we were in RFKILL during module loading, load init ucode now */ - if (!mvm->init_ucode_run) { - ret = iwl_run_init_mvm_ucode(mvm, false); - if (ret && !iwlmvm_mod_params.init_dbg) { - IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); + /* + * If we haven't completed the run of the init ucode during + * module loading, load init ucode now + * (for example, if we were in RFKILL) + */ + ret = iwl_run_init_mvm_ucode(mvm, false); + if (ret && !iwlmvm_mod_params.init_dbg) { + IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret); + /* this can't happen */ + if (WARN_ON(ret > 0)) + ret = -ERFKILL; + goto error; + } + if (!iwlmvm_mod_params.init_dbg) { + /* + * Stop and start the transport without entering low power + * mode. This will save the state of other components on the + * device that are triggered by the INIT firwmare (MFUART). + */ + _iwl_trans_stop_device(mvm->trans, false); + ret = _iwl_trans_start_hw(mvm->trans, false); + if (ret) goto error; - } } if (iwlmvm_mod_params.init_dbg) @@ -413,11 +998,19 @@ goto error; } - ret = iwl_send_tx_ant_cfg(mvm, iwl_fw_valid_tx_ant(mvm->fw)); + iwl_mvm_get_shared_mem_conf(mvm); + + ret = iwl_mvm_sf_update(mvm, NULL, false); if (ret) - goto error; + IWL_ERR(mvm, "Failed to initialize Smart Fifo\n"); - ret = iwl_send_bt_prio_tbl(mvm); + mvm->fw_dbg_conf = FW_DBG_INVALID; + /* if we have a destination, assume EARLY START */ + if (mvm->fw->dbg_dest_tlv) + mvm->fw_dbg_conf = FW_DBG_START_FROM_ALIVE; + iwl_mvm_start_fw_dbg_conf(mvm, FW_DBG_START_FROM_ALIVE); + + ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); if (ret) goto error; @@ -438,22 +1031,65 @@ for (i = 0; i < IWL_MVM_STATION_COUNT; i++) RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL); + mvm->tdls_cs.peer.sta_id = IWL_MVM_STATION_COUNT; + + /* reset quota debouncing buffer - 0xff will yield invalid data */ + memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd)); + /* Add auxiliary station for scanning */ ret = iwl_mvm_add_aux_sta(mvm); if (ret) goto error; - if (mvm->trans->ltr_enabled) { - struct iwl_ltr_config_cmd cmd = { - .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE), - }; + /* Add all the PHY contexts */ + chan = &mvm->hw->wiphy->bands[IEEE80211_BAND_2GHZ]->channels[0]; + cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT); + for (i = 0; i < NUM_PHY_CTX; i++) { + /* + * The channel used here isn't relevant as it's + * going to be overwritten in the other flows. + * For now use the first channel we have. + */ + ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i], + &chandef, 1, 1); + if (ret) + goto error; + } + + /* Initialize tx backoffs to the minimal possible */ + iwl_mvm_tt_tx_backoff(mvm, 0); + + WARN_ON(iwl_mvm_config_ltr(mvm)); - WARN_ON(iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, - sizeof(cmd), &cmd)); + ret = iwl_mvm_power_update_device(mvm); + if (ret) + goto error; + + /* + * RTNL is not taken during Ct-kill, but we don't need to scan/Tx + * anyway, so don't init MCC. + */ + if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) { + ret = iwl_mvm_init_mcc(mvm); + if (ret) + goto error; } - IWL_DEBUG_INFO(mvm, "RT uCode started.\n"); + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { + ret = iwl_mvm_config_scan(mvm); + if (ret) + goto error; + } + + if (iwl_mvm_is_csum_supported(mvm) && + mvm->cfg->features & NETIF_F_RXCSUM) + iwl_trans_write_prph(mvm->trans, RX_EN_CSUM, 0x3); + + /* allow FW/transport low power modes if not during restart */ + if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) + iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); + IWL_DEBUG_INFO(mvm, "RT uCode started.\n"); return 0; error: iwl_trans_stop_device(mvm->trans); @@ -476,7 +1112,7 @@ goto error; } - ret = iwl_send_tx_ant_cfg(mvm, iwl_fw_valid_tx_ant(mvm->fw)); + ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); if (ret) goto error; @@ -504,9 +1140,8 @@ return ret; } -int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_card_state_notif *card_state_notif = (void *)pkt->data; @@ -517,21 +1152,18 @@ (flags & SW_CARD_DISABLED) ? "Kill" : "On", (flags & CT_KILL_CARD_DISABLED) ? "Reached" : "Not reached"); - - return 0; } -int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_radio_version_notif *radio_version = (void *)pkt->data; + struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data; - /* TODO: what to do with that? */ IWL_DEBUG_INFO(mvm, - "Radio version: flavor: 0x%08x, step 0x%08x, dash 0x%08x\n", - le32_to_cpu(radio_version->radio_flavor), - le32_to_cpu(radio_version->radio_step), - le32_to_cpu(radio_version->radio_dash)); - return 0; + "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n", + le32_to_cpu(mfuart_notif->installed_ver), + le32_to_cpu(mfuart_notif->external_ver), + le32_to_cpu(mfuart_notif->status), + le32_to_cpu(mfuart_notif->duration)); }