From patchwork Mon Dec 9 13:06:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Stanner X-Patchwork-Id: 13899671 X-Patchwork-Delegate: johannes@sipsolutions.net Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E3A6C231CBC for ; Mon, 9 Dec 2024 13:07:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733749626; cv=none; b=euesGzC6aNnTpc2C8Cum9cuHyn8EzewTwSOzqTQNxVj63skIGVhd0/dxyx+f5nneidEYwETGxV5q7+YAntWcD36m5ehBuJ6B0XRta2TN81lxkDcdohaRRxVgj0Zvz+5M+wFpvbXg8PzxMNV1/pnpztb/O1OIawYFcVQuqpnn+co= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733749626; c=relaxed/simple; bh=0TEaieIECTc3OVhk8DBvWvo0jSHs3A2Aqh2fvN636xE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=u1+muyTGyIRA9C0SujB1Sb8+A43Kok9X3YMZT9rvp7AjdmZ8pAUIOIhwU4l9ILEATTqw/xrkpHuwtApZrnYODwZL2okKXUQAo9TMDUEDkNy9fkUEILUaN2DChz0BpI8RuF0U5apVsLX+GERz7ZY1dSaLQnxLhO/qLtuOhgsedfc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=TFkY59K+; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="TFkY59K+" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1733749622; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=J6O49TnPkNeMtIPoWkV2XdJjg3ziNzZQ3FlPq3drZuU=; b=TFkY59K+0YI6oq2tdTrR/JKZAyzRPZrCVX4vUguTgB6YNx1kmrcZN2aO5GaXC1Op7U2mA1 rpNIDG9cGgs194xg10ZamDxlALJBAySu42OGaBRFRjX6BuLASD2UAIg5kpOYVx71/cP6iP P1isAdQPpt95N/h7g8WLRQBbBUGAi3Y= Received: from mail-wr1-f70.google.com (mail-wr1-f70.google.com [209.85.221.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-361-pjezRRJRNlCsGEWy5x0_eg-1; Mon, 09 Dec 2024 08:07:01 -0500 X-MC-Unique: pjezRRJRNlCsGEWy5x0_eg-1 X-Mimecast-MFC-AGG-ID: pjezRRJRNlCsGEWy5x0_eg Received: by mail-wr1-f70.google.com with SMTP id ffacd0b85a97d-3862e986d17so794247f8f.3 for ; Mon, 09 Dec 2024 05:07:00 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733749620; x=1734354420; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=J6O49TnPkNeMtIPoWkV2XdJjg3ziNzZQ3FlPq3drZuU=; b=lZQPNj725wsOYFh3eAri6FOHhH4tZNkbJh37DfRbTSuZ0JzgUn8ELJtqxi6BzBfzBQ jG4Zc1K9eAjnKYR1OJWyNtp/rdgvC2GE/SJKgXkerRW22CuEHs85dvdq2dCv6mgpINCm Aa8zcXbXqNraD4TrYSKK9x43guLMTiNojnL/apAzPKSk53NJ+P7vzIzIlo09ViwXOaqk JqBUnhKxz5jRDxamJ/hes8DaeHOxskbA5vsKyHJXAJOMhY8P92ldwsp2z2vj0cYFGWhO DcNa09xxvFD1KtF+3RHMbx86SWLYqDmPTXtZabs39ol0ir5e/Taf4hA0PhfyKnIMBVvJ MqtQ== X-Forwarded-Encrypted: i=1; AJvYcCVcB2GNMqn7RV9+nfRXYDE9t2PJgtY875Q1IDrptPpprng3RPY9CNWdYuZeILIdDws539TcalYOYhyHajh8Vg==@vger.kernel.org X-Gm-Message-State: AOJu0Yz6LRyVzulUUf4jYWB0QFaJwpJExePPjnfVhenFXsZta7mtaZiF vZR5p9wcD8rqvTV0t+xAYEbVqlTIRFI9SrHoxFUs+MmvcbE1Jc5ROxQRllnmhL19Wtfyy95TGNz j1dxYNDec4nabYrXE+EetCBBnD//VAWoDfdNzOxq3vsPWJEdEh0nTtMwTqknVNNob X-Gm-Gg: ASbGncuSXtkVXjMwxWufgR3JIvPMJIQ1wiAKnNX3Kp57SlGFkh8Obe3UBGyQq4W0UyX GFFC6ljg8SD+GCMKxXgDxL0gXBFKgrePU1Maj4U02nP24Eg8EtnhdfYv9t9KKSpB5KmQhuwZD8E rL11WXOa+HilP6Mgn+tYosQJCIu39sCp9X/TnAxRXvlQOTBoZYZT8nKx6JULbJ3L8wr21NfpqEq TVEHffVoiyN294uyZwYqhDK5uy2ju2E2t/RjVyYxslCpMh0THhQ/rNVEdER/YvP4VxRhLzAGjVa wKdXNTPu X-Received: by 2002:a05:6000:481d:b0:386:1cd3:8a05 with SMTP id ffacd0b85a97d-38645402350mr183814f8f.54.1733749619742; Mon, 09 Dec 2024 05:06:59 -0800 (PST) X-Google-Smtp-Source: AGHT+IEtkNHnOC202GyBKEBPTwiG4UTLfJs2pkouVC4IktFgJYuC2xwE//LEhilVtJ79VvBlgBAiYw== X-Received: by 2002:a05:6000:481d:b0:386:1cd3:8a05 with SMTP id ffacd0b85a97d-38645402350mr183738f8f.54.1733749619256; Mon, 09 Dec 2024 05:06:59 -0800 (PST) Received: from eisenberg.redhat.com (nat-pool-muc-u.redhat.com. [149.14.88.27]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3862190965asm13200127f8f.82.2024.12.09.05.06.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Dec 2024 05:06:58 -0800 (PST) From: Philipp Stanner To: amien Le Moal , Niklas Cassel , Basavaraj Natikar , Jiri Kosina , Benjamin Tissoires , Arnd Bergmann , Greg Kroah-Hartman , Alex Dubov , Sudarsana Kalluru , Manish Chopra , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rasesh Mody , GR-Linux-NIC-Dev@marvell.com, Igor Mitsyanko , Sergey Matyukevich , Kalle Valo , Sanjay R Mehta , Shyam Sundar S K , Jon Mason , Dave Jiang , Allen Hubbe , Bjorn Helgaas , Alex Williamson , Juergen Gross , Stefano Stabellini , Oleksandr Tyshchenko , Mario Limonciello , Chen Ni , Philipp Stanner , Ricky Wu , Al Viro , Breno Leitao , Thomas Gleixner , Kevin Tian , Andy Shevchenko , Mostafa Saleh , Jason Gunthorpe , Yi Liu , Kunwu Chan , Dan Carpenter , "Dr. David Alan Gilbert" , Ankit Agrawal , Reinette Chatre , Eric Auger , Ye Bin Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, ntb@lists.linux.dev, linux-pci@vger.kernel.org, kvm@vger.kernel.org, xen-devel@lists.xenproject.org Subject: [PATCH v3 06/11] vfio/pci: Use never-managed version of pci_intx() Date: Mon, 9 Dec 2024 14:06:28 +0100 Message-ID: <20241209130632.132074-8-pstanner@redhat.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241209130632.132074-2-pstanner@redhat.com> References: <20241209130632.132074-2-pstanner@redhat.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 pci_intx() is a hybrid function which can sometimes be managed through devres. To remove this hybrid nature from pci_intx(), it is necessary to port users to either an always-managed or a never-managed version. vfio enables its PCI-Device with pci_enable_device(). Thus, it needs the never-managed version. Replace pci_intx() with pci_intx_unmanaged(). Signed-off-by: Philipp Stanner Acked-by: Alex Williamson --- drivers/vfio/pci/vfio_pci_core.c | 2 +- drivers/vfio/pci/vfio_pci_intrs.c | 10 +++++----- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c index 1ab58da9f38a..90240c8d51aa 100644 --- a/drivers/vfio/pci/vfio_pci_core.c +++ b/drivers/vfio/pci/vfio_pci_core.c @@ -498,7 +498,7 @@ int vfio_pci_core_enable(struct vfio_pci_core_device *vdev) if (vfio_pci_nointx(pdev)) { pci_info(pdev, "Masking broken INTx support\n"); vdev->nointx = true; - pci_intx(pdev, 0); + pci_intx_unmanaged(pdev, 0); } else vdev->pci_2_3 = pci_intx_mask_supported(pdev); } diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c index 8382c5834335..40abb0b937a2 100644 --- a/drivers/vfio/pci/vfio_pci_intrs.c +++ b/drivers/vfio/pci/vfio_pci_intrs.c @@ -118,7 +118,7 @@ static bool __vfio_pci_intx_mask(struct vfio_pci_core_device *vdev) */ if (unlikely(!is_intx(vdev))) { if (vdev->pci_2_3) - pci_intx(pdev, 0); + pci_intx_unmanaged(pdev, 0); goto out_unlock; } @@ -132,7 +132,7 @@ static bool __vfio_pci_intx_mask(struct vfio_pci_core_device *vdev) * mask, not just when something is pending. */ if (vdev->pci_2_3) - pci_intx(pdev, 0); + pci_intx_unmanaged(pdev, 0); else disable_irq_nosync(pdev->irq); @@ -178,7 +178,7 @@ static int vfio_pci_intx_unmask_handler(void *opaque, void *data) */ if (unlikely(!is_intx(vdev))) { if (vdev->pci_2_3) - pci_intx(pdev, 1); + pci_intx_unmanaged(pdev, 1); goto out_unlock; } @@ -296,7 +296,7 @@ static int vfio_intx_enable(struct vfio_pci_core_device *vdev, */ ctx->masked = vdev->virq_disabled; if (vdev->pci_2_3) { - pci_intx(pdev, !ctx->masked); + pci_intx_unmanaged(pdev, !ctx->masked); irqflags = IRQF_SHARED; } else { irqflags = ctx->masked ? IRQF_NO_AUTOEN : 0; @@ -569,7 +569,7 @@ static void vfio_msi_disable(struct vfio_pci_core_device *vdev, bool msix) * via their shutdown paths. Restore for NoINTx devices. */ if (vdev->nointx) - pci_intx(pdev, 0); + pci_intx_unmanaged(pdev, 0); vdev->irq_type = VFIO_PCI_NUM_IRQS; }