From patchwork Tue Jun 6 07:43:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Greenman, Gregory" X-Patchwork-Id: 690147 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0466FC7EE24 for ; Tue, 6 Jun 2023 07:49:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235037AbjFFHtX (ORCPT ); Tue, 6 Jun 2023 03:49:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54538 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236384AbjFFHsZ (ORCPT ); Tue, 6 Jun 2023 03:48:25 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D9B3198A for ; Tue, 6 Jun 2023 00:44:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686037459; x=1717573459; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=zjPDp/gHoN2HMGgOMIDuL58oiF3aJ6w8D/nBZA5oB+0=; b=l4HROv/DyJalk3dVA4kpiDTOkDfRX4WGawjgt2yQgSUjI7VEOOpzRSGh 0Ge+of11wJK3SkyS9whmEcOr7ylhgjw4aQDcdKxNzt088FPL65Nchvmuc 7djpoIE5v4JCTubjj/pxNc4NaJFC6RIYfpBuFETSdIPmoca/1iJhRAphN s4CYvooI1y/sQLOYWer5T0jptC7Sdjcnce0vfC7hVikAjUdeNFeTB+tgC Hqo/czuIoI8bcWOv0szvzDKj41omU5ULFpjTFt+emItybUUfMmXI4mUtb dDc2NdZisBLnKBqk+Y28v+S3SQPsCV337OqM97R9JKNifm5GCPHuDBTwS Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10732"; a="422419065" X-IronPort-AV: E=Sophos;i="6.00,219,1681196400"; d="scan'208";a="422419065" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jun 2023 00:43:31 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10732"; a="821516281" X-IronPort-AV: E=Sophos;i="6.00,219,1681196400"; d="scan'208";a="821516281" Received: from oniamir-mobl.ger.corp.intel.com (HELO ggreenma-mobl2.intel.com) ([10.214.217.62]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jun 2023 00:43:30 -0700 From: gregory.greenman@intel.com To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Alon Giladi , Gregory Greenman Subject: [PATCH 04/13] wifi: iwlwifi: Allow trans_pcie track more than 1 pnvm DRAM region Date: Tue, 6 Jun 2023 10:43:01 +0300 Message-Id: <20230606103519.bb206d71bf45.I627640701757bb2f234f8e18a3afbd6af1206658@changeid> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230606074310.889520-1-gregory.greenman@intel.com> References: <20230606074310.889520-1-gregory.greenman@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Alon Giladi Change the field pnvm_dram to an array that describes many regions and add a counter to the number of pnvm regions that were allocated in DRAM. Signed-off-by: Alon Giladi Signed-off-by: Gregory Greenman --- .../intel/iwlwifi/pcie/ctxt-info-gen3.c | 13 +++++++++---- .../net/wireless/intel/iwlwifi/pcie/internal.h | 10 ++++++++-- .../net/wireless/intel/iwlwifi/pcie/trans.c | 18 ++++++++++++++---- 3 files changed, 31 insertions(+), 10 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c index e9f3799d4593..f43246b45a85 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c @@ -287,7 +287,7 @@ int iwl_trans_pcie_ctx_info_gen3_load_pnvm(struct iwl_trans *trans, struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_prph_scratch_ctrl_cfg *prph_sc_ctrl = &trans_pcie->prph_scratch->ctrl_cfg; - struct iwl_dram_data *dram = &trans_pcie->pnvm_dram; + struct iwl_dram_data *dram = &trans_pcie->pnvm_dram[0]; u32 len, len0, len1; if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210) @@ -324,6 +324,7 @@ int iwl_trans_pcie_ctx_info_gen3_load_pnvm(struct iwl_trans *trans, dram->size = len; memcpy(dram->block, pnvm_payloads->chunks[0].data, len0); memcpy((u8 *)dram->block + len0, pnvm_payloads->chunks[1].data, len1); + trans_pcie->n_pnvm_regions = 1; trans->pnvm_loaded = true; return 0; @@ -337,11 +338,15 @@ void iwl_trans_pcie_ctx_info_gen3_set_pnvm(struct iwl_trans *trans) if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210) return; - + /* FIXME: currently we concatenate payloads and save them only in + * pnvm_dram[0] - therefor only pnvm_dram[0] is delivered to the + * prph_sc. Need to add a UCODE sensitivity and another case in which + * we deliver to the prph_sc an array with all the DRAM addresses. + */ prph_sc_ctrl->pnvm_cfg.pnvm_base_addr = - cpu_to_le64(trans_pcie->pnvm_dram.physical); + cpu_to_le64(trans_pcie->pnvm_dram[0].physical); prph_sc_ctrl->pnvm_cfg.pnvm_size = - cpu_to_le32(trans_pcie->pnvm_dram.size); + cpu_to_le32(trans_pcie->pnvm_dram[0].size); } diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h index 69b95ad5993b..ca2e7bb2def8 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h @@ -23,6 +23,7 @@ #include "iwl-op-mode.h" #include "iwl-drv.h" #include "queue/tx.h" +#include "iwl-context-info.h" /* * RX related structures and functions @@ -306,7 +307,8 @@ enum iwl_pcie_imr_status { * @trans: pointer to the generic transport area * @scd_base_addr: scheduler sram base address in SRAM * @kw: keep warm address - * @pnvm_dram: DRAM area that contains the PNVM data + * @pnvm_dram: array of several DRAM areas that contains the PNVM data + * @n_pnvm_regions: number of DRAM regions that were allocated for the pnvm * @pci_dev: basic pci-network driver stuff * @hw_base: pci hardware address support * @ucode_write_complete: indicates that the ucode has been copied. @@ -380,7 +382,9 @@ struct iwl_trans_pcie { u32 scd_base_addr; struct iwl_dma_ptr kw; - struct iwl_dram_data pnvm_dram; + /* pnvm data */ + struct iwl_dram_data pnvm_dram[IPC_DRAM_MAP_ENTRY_NUM_MAX]; + u8 n_pnvm_regions; struct iwl_dram_data reduce_power_dram; struct iwl_txq *txq_memory; @@ -478,6 +482,8 @@ struct iwl_trans const struct pci_device_id *ent, const struct iwl_cfg_trans_params *cfg_trans); void iwl_trans_pcie_free(struct iwl_trans *trans); +void iwl_trans_pcie_free_pnvm_dram(struct iwl_trans_pcie *trans_pcie, + struct device *dev); bool __iwl_trans_pcie_grab_nic_access(struct iwl_trans *trans); #define _iwl_trans_pcie_grab_nic_access(trans) \ diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index 6691d89d7226..cd177addd884 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -1993,6 +1993,19 @@ static void iwl_trans_pcie_configure(struct iwl_trans *trans, trans_pcie->fw_reset_handshake = trans_cfg->fw_reset_handshake; } +void iwl_trans_pcie_free_pnvm_dram(struct iwl_trans_pcie *trans_pcie, + struct device *dev) +{ + u8 i; + + for (i = 0; i < trans_pcie->n_pnvm_regions; i++) { + dma_free_coherent(dev, trans_pcie->pnvm_dram[i].size, + trans_pcie->pnvm_dram[i].block, + trans_pcie->pnvm_dram[i].physical); + } + trans_pcie->n_pnvm_regions = 0; +} + void iwl_trans_pcie_free(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); @@ -2025,10 +2038,7 @@ void iwl_trans_pcie_free(struct iwl_trans *trans) iwl_pcie_free_fw_monitor(trans); - if (trans_pcie->pnvm_dram.size) - dma_free_coherent(trans->dev, trans_pcie->pnvm_dram.size, - trans_pcie->pnvm_dram.block, - trans_pcie->pnvm_dram.physical); + iwl_trans_pcie_free_pnvm_dram(trans_pcie, trans->dev); if (trans_pcie->reduce_power_dram.size) dma_free_coherent(trans->dev,