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Tue, 7 Dec 2021 21:05:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4744FC341C1; Tue, 7 Dec 2021 21:05:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1638911104; bh=B1uq1LxQ+zV7OmdTOwCRtNnO2jvBQqZ4s4dpqK7FSx0=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=FtAnSeLche3tDfxYR56d58ANFwkYFafEMJxsxNrKfqKSblB85o+rbHYZ0oIIlySDv tsgfTCkxzfo51fNQXVhI9AfB029y60Tf37iykBBNUPrO9avyXhGWg3TNkVZDa3+bLl MKDQoxA+9Eb/eCVob/myMBPCDOUC7Lks1kDQXL/5zr8Jhktfir9G8Gj5qdNVWJyvmY nSUYSnGBdz6NxEsdbnDrce0qOvuWXhcMslMcv0JD/Q3qxC0C9Ez3+52Iiaa26ekY+F 2GXwtyHKPUf3jS2KFP70m0i6puvts4TC/fan1RswEtNWghn5k8zw3s0sx0LXHK3Kax bg5UGKj2mjoaA== Date: Tue, 7 Dec 2021 15:05:03 -0600 From: Bjorn Helgaas To: Thomas Gleixner Subject: Re: [patch V2 19/36] PCI/MSI: Store properties in device::msi::data Message-ID: <20211207210503.GA77830@bhelgaas> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20211206210438.688216619@linutronix.de> Cc: Nishanth Menon , Mark Rutland , Stuart Yoder , linux-pci@vger.kernel.org, Will Deacon , Ashok Raj , Marc Zygnier , Sinan Kaya , Vinod Koul , Megha Dey , Jason Gunthorpe , xen-devel@lists.xenproject.org, Kevin Tian , Alex Williamson , Cedric Le Goater , Santosh Shilimkar , linux-arm-kernel@lists.infradead.org, Juergen Gross , Tero Kristo , Greg Kroah-Hartman , LKML , iommu@lists.linux-foundation.org, dmaengine@vger.kernel.org, Robin Murphy X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Mon, Dec 06, 2021 at 11:39:26PM +0100, Thomas Gleixner wrote: > Store the properties which are interesting for various places so the MSI > descriptor fiddling can be removed. > > Signed-off-by: Thomas Gleixner Acked-by: Bjorn Helgaas > --- > V2: Use the setter function > --- > drivers/pci/msi/msi.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > --- a/drivers/pci/msi/msi.c > +++ b/drivers/pci/msi/msi.c > @@ -244,6 +244,8 @@ static void free_msi_irqs(struct pci_dev > iounmap(dev->msix_base); > dev->msix_base = NULL; > } > + > + msi_device_set_properties(&dev->dev, 0); > } > > static void pci_intx_for_msi(struct pci_dev *dev, int enable) > @@ -341,6 +343,7 @@ msi_setup_entry(struct pci_dev *dev, int > { > struct irq_affinity_desc *masks = NULL; > struct msi_desc *entry; > + unsigned long prop; > u16 control; > > if (affd) > @@ -372,6 +375,10 @@ msi_setup_entry(struct pci_dev *dev, int > if (entry->pci.msi_attrib.can_mask) > pci_read_config_dword(dev, entry->pci.mask_pos, &entry->pci.msi_mask); > > + prop = MSI_PROP_PCI_MSI; > + if (entry->pci.msi_attrib.is_64) > + prop |= MSI_PROP_64BIT; > + msi_device_set_properties(&dev->dev, prop); > out: > kfree(masks); > return entry; > @@ -514,6 +521,7 @@ static int msix_setup_entries(struct pci > if (masks) > curmsk++; > } > + msi_device_set_properties(&dev->dev, MSI_PROP_PCI_MSIX | MSI_PROP_64BIT); > ret = 0; > out: > kfree(masks); > _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu