From mboxrd@z Thu Jan 1 00:00:00 1970 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 580D5C433EF for ; Thu, 5 May 2022 23:58:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1387163AbiEFACE (ORCPT ); Thu, 5 May 2022 20:02:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35188 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1387070AbiEFABb (ORCPT ); Thu, 5 May 2022 20:01:31 -0400 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3309E60DB7 for ; Thu, 5 May 2022 16:57:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1651795069; x=1683331069; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=UTXQyhtYGmsXw7bhN7zaVr8NO2RbQS3Z18S2QU+fmiU=; b=bAi8KwMmiiRz11vHIlPSx5xBISbI+rV/zdITXHwh/BVlhd6RqYfbHxUA zmGvQzC7N27/aUzi//Bd0cloTmrRnKqwXfauyBZAPIQ/f9lQ1UYVBzBs3 05dvNEkP/UIl0xzgNe1adz4rD+BNXiLR1o5kQzFcXj1lVnv7EbtYbw9Wb NnfF5S553k2QT7bt+TVtNRYvo2Zt9hSWJORaOujxImmxx5+/XWSqmLttM 9rU9IZwK739fnLf256bidM41NAW8MZr8q6GNgVNQHyAaIPxWxMQ7FWVLO CSfqVz1cz/jrM31K2bjNamXnALYtAAwjCxOiolobPJCEFt4H6psI8ZqjJ w==; X-IronPort-AV: E=McAfee;i="6400,9594,10338"; a="250283625" X-IronPort-AV: E=Sophos;i="5.91,203,1647327600"; d="scan'208";a="250283625" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 May 2022 16:57:47 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,203,1647327600"; d="scan'208";a="694914350" Received: from ranerica-svr.sc.intel.com ([172.25.110.23]) by orsmga004.jf.intel.com with ESMTP; 05 May 2022 16:57:47 -0700 From: Ricardo Neri To: Thomas Gleixner , x86@kernel.org Cc: Tony Luck , Andi Kleen , Stephane Eranian , Andrew Morton , Joerg Roedel , Suravee Suthikulpanit , David Woodhouse , Lu Baolu , Nicholas Piggin , "Ravi V. Shankar" , Ricardo Neri , iommu@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Ricardo Neri Subject: [PATCH v6 08/29] iommu/vt-d: Rework prepare_irte() to support per-IRQ delivery mode Date: Thu, 5 May 2022 16:59:47 -0700 Message-Id: <20220506000008.30892-9-ricardo.neri-calderon@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220506000008.30892-1-ricardo.neri-calderon@linux.intel.com> References: <20220506000008.30892-1-ricardo.neri-calderon@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org struct irq_cfg::delivery_mode specifies the delivery mode of each IRQ separately. Configuring the delivery mode of an IRTE would require adding a third argument to prepare_irte(). Instead, simply take a pointer to the irq_cfg for which an IRTE is being configured. This change does not cause functional changes. Cc: Andi Kleen Cc: David Woodhouse Cc: "Ravi V. Shankar" Cc: Lu Baolu Cc: Stephane Eranian Cc: iommu@lists.linux-foundation.org Cc: linuxppc-dev@lists.ozlabs.org Cc: x86@kernel.org Reviewed-by: Ashok Raj Reviewed-by: Tony Luck Reviewed-by: Lu Baolu Signed-off-by: Ricardo Neri --- Changes since v5: * Only change the signature of prepare_irte(). A separate patch changes the setting of the delivery_mode. Changes since v4: * None Changes since v3: * None Changes since v2: * None Changes since v1: * Introduced this patch. --- drivers/iommu/intel/irq_remapping.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/iommu/intel/irq_remapping.c b/drivers/iommu/intel/irq_remapping.c index d2764a71f91a..66d37186ec28 100644 --- a/drivers/iommu/intel/irq_remapping.c +++ b/drivers/iommu/intel/irq_remapping.c @@ -1111,7 +1111,7 @@ void intel_irq_remap_add_device(struct dmar_pci_notify_info *info) dev_set_msi_domain(&info->dev->dev, map_dev_to_ir(info->dev)); } -static void prepare_irte(struct irte *irte, int vector, unsigned int dest) +static void prepare_irte(struct irte *irte, struct irq_cfg *irq_cfg) { memset(irte, 0, sizeof(*irte)); @@ -1126,8 +1126,8 @@ static void prepare_irte(struct irte *irte, int vector, unsigned int dest) */ irte->trigger_mode = 0; irte->dlvry_mode = apic->delivery_mode; - irte->vector = vector; - irte->dest_id = IRTE_DEST(dest); + irte->vector = irq_cfg->vector; + irte->dest_id = IRTE_DEST(irq_cfg->dest_apicid); /* * When using the destination mode of physical APICID, only the @@ -1278,8 +1278,7 @@ static void intel_irq_remapping_prepare_irte(struct intel_ir_data *data, { struct irte *irte = &data->irte_entry; - prepare_irte(irte, irq_cfg->vector, irq_cfg->dest_apicid); - + prepare_irte(irte, irq_cfg); switch (info->type) { case X86_IRQ_ALLOC_TYPE_IOAPIC: /* Set source-id of interrupt request */ -- 2.17.1