From: Joerg Roedel <joro@8bytes.org>
To: Logan Gunthorpe <logang@deltatee.com>
Cc: linux-kernel@vger.kernel.org, linux-ntb@googlegroups.com,
linux-pci@vger.kernel.org, iommu@lists.linux-foundation.org,
linux-kselftest@vger.kernel.org, Jon Mason <jdmason@kudzu.us>,
Bjorn Helgaas <bhelgaas@google.com>,
Allen Hubbe <allenbh@gmail.com>,
Dave Jiang <dave.jiang@intel.com>,
Serge Semin <fancer.lancer@gmail.com>,
Eric Pilmore <epilmore@gigaio.com>,
David Woodhouse <dwmw2@infradead.org>
Subject: Re: [PATCH 1/9] iommu/vt-d: Allow interrupts from the entire bus for aliased devices
Date: Fri, 1 Feb 2019 17:44:01 +0100 [thread overview]
Message-ID: <20190201164401.GT32526@8bytes.org> (raw)
In-Reply-To: <20190131185656.17972-2-logang@deltatee.com>
On Thu, Jan 31, 2019 at 11:56:48AM -0700, Logan Gunthorpe wrote:
> @@ -394,6 +402,10 @@ static int set_msi_sid(struct irte *irte, struct pci_dev *dev)
> set_irte_sid(irte, SVT_VERIFY_BUS, SQ_ALL_16,
> PCI_DEVID(PCI_BUS_NUM(data.alias),
> dev->bus->number));
> + else if (data.count >= 2 && data.busmatch_count == data.count)
> + set_irte_sid(irte, SVT_VERIFY_BUS, SQ_ALL_16,
> + PCI_DEVID(dev->bus->number,
> + dev->bus->number));
The dev->bus->number argument for the devfn parameter of PCI_DEVID is
not needed, right?
Also, this requires at least a comment to document that special case.
Joerg
WARNING: multiple messages have this Message-ID (diff)
From: joro at 8bytes.org (Joerg Roedel)
Subject: [PATCH 1/9] iommu/vt-d: Allow interrupts from the entire bus for aliased devices
Date: Fri, 1 Feb 2019 17:44:01 +0100 [thread overview]
Message-ID: <20190201164401.GT32526@8bytes.org> (raw)
In-Reply-To: <20190131185656.17972-2-logang@deltatee.com>
On Thu, Jan 31, 2019 at 11:56:48AM -0700, Logan Gunthorpe wrote:
> @@ -394,6 +402,10 @@ static int set_msi_sid(struct irte *irte, struct pci_dev *dev)
> set_irte_sid(irte, SVT_VERIFY_BUS, SQ_ALL_16,
> PCI_DEVID(PCI_BUS_NUM(data.alias),
> dev->bus->number));
> + else if (data.count >= 2 && data.busmatch_count == data.count)
> + set_irte_sid(irte, SVT_VERIFY_BUS, SQ_ALL_16,
> + PCI_DEVID(dev->bus->number,
> + dev->bus->number));
The dev->bus->number argument for the devfn parameter of PCI_DEVID is
not needed, right?
Also, this requires at least a comment to document that special case.
Joerg
WARNING: multiple messages have this Message-ID (diff)
From: joro@8bytes.org (Joerg Roedel)
Subject: [PATCH 1/9] iommu/vt-d: Allow interrupts from the entire bus for aliased devices
Date: Fri, 1 Feb 2019 17:44:01 +0100 [thread overview]
Message-ID: <20190201164401.GT32526@8bytes.org> (raw)
Message-ID: <20190201164401.71uzBwvK9_DYXesJ3cZ9zStArwB4k7atjd-QBFJebcw@z> (raw)
In-Reply-To: <20190131185656.17972-2-logang@deltatee.com>
On Thu, Jan 31, 2019@11:56:48AM -0700, Logan Gunthorpe wrote:
> @@ -394,6 +402,10 @@ static int set_msi_sid(struct irte *irte, struct pci_dev *dev)
> set_irte_sid(irte, SVT_VERIFY_BUS, SQ_ALL_16,
> PCI_DEVID(PCI_BUS_NUM(data.alias),
> dev->bus->number));
> + else if (data.count >= 2 && data.busmatch_count == data.count)
> + set_irte_sid(irte, SVT_VERIFY_BUS, SQ_ALL_16,
> + PCI_DEVID(dev->bus->number,
> + dev->bus->number));
The dev->bus->number argument for the devfn parameter of PCI_DEVID is
not needed, right?
Also, this requires at least a comment to document that special case.
Joerg
next prev parent reply other threads:[~2019-02-01 16:44 UTC|newest]
Thread overview: 81+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-31 18:56 [PATCH 0/9] Support using MSI interrupts in ntb_transport Logan Gunthorpe
2019-01-31 18:56 ` Logan Gunthorpe
2019-01-31 18:56 ` logang
2019-01-31 18:56 ` [PATCH 1/9] iommu/vt-d: Allow interrupts from the entire bus for aliased devices Logan Gunthorpe
2019-01-31 18:56 ` Logan Gunthorpe
2019-01-31 18:56 ` logang
2019-02-01 16:44 ` Joerg Roedel [this message]
2019-02-01 16:44 ` Joerg Roedel
2019-02-01 16:44 ` joro
2019-02-01 17:27 ` Logan Gunthorpe
2019-02-01 17:27 ` Logan Gunthorpe
2019-02-01 17:27 ` logang
2019-02-05 19:19 ` Jacob Pan
2019-02-05 19:19 ` Jacob Pan
2019-02-05 19:19 ` jacob.jun.pan
2019-02-05 20:40 ` Logan Gunthorpe
2019-02-05 20:40 ` Logan Gunthorpe
2019-02-05 20:40 ` logang
2019-02-05 23:58 ` Jacob Pan
2019-02-05 23:58 ` Jacob Pan
2019-02-05 23:58 ` jacob.jun.pan
2019-01-31 18:56 ` [PATCH 2/9] PCI/MSI: Support allocating virtual MSI interrupts Logan Gunthorpe
2019-01-31 18:56 ` Logan Gunthorpe
2019-01-31 18:56 ` logang
2019-01-31 22:39 ` Bjorn Helgaas
2019-01-31 22:39 ` Bjorn Helgaas
2019-01-31 22:39 ` helgaas
2019-01-31 22:52 ` Logan Gunthorpe
2019-01-31 22:52 ` Logan Gunthorpe
2019-01-31 22:52 ` logang
2019-02-01 19:23 ` Bjorn Helgaas
2019-02-01 19:23 ` Bjorn Helgaas
2019-02-01 19:23 ` helgaas
2019-01-31 18:56 ` [PATCH 3/9] PCI/switchtec: Add module parameter to request more interrupts Logan Gunthorpe
2019-01-31 18:56 ` Logan Gunthorpe
2019-01-31 18:56 ` logang
2019-01-31 18:56 ` [PATCH 4/9] NTB: Introduce functions to calculate multi-port resource index Logan Gunthorpe
2019-01-31 18:56 ` Logan Gunthorpe
2019-01-31 18:56 ` logang
2019-01-31 18:56 ` [PATCH 5/9] NTB: Rename ntb.c to support multiple source files in the module Logan Gunthorpe
2019-01-31 18:56 ` Logan Gunthorpe
2019-01-31 18:56 ` logang
2019-01-31 18:56 ` [PATCH 6/9] NTB: Introduce MSI library Logan Gunthorpe
2019-01-31 18:56 ` Logan Gunthorpe
2019-01-31 18:56 ` logang
2019-01-31 18:56 ` [PATCH 7/9] NTB: Introduce NTB MSI Test Client Logan Gunthorpe
2019-01-31 18:56 ` Logan Gunthorpe
2019-01-31 18:56 ` logang
2019-01-31 18:56 ` [PATCH 8/9] NTB: Add ntb_msi_test support to ntb_test Logan Gunthorpe
2019-01-31 18:56 ` Logan Gunthorpe
2019-01-31 18:56 ` logang
2019-01-31 18:56 ` [PATCH 9/9] NTB: Add MSI interrupt support to ntb_transport Logan Gunthorpe
2019-01-31 18:56 ` Logan Gunthorpe
2019-01-31 18:56 ` logang
2019-01-31 20:20 ` [PATCH 0/9] Support using MSI interrupts in ntb_transport Dave Jiang
2019-01-31 20:20 ` Dave Jiang
2019-01-31 20:20 ` dave.jiang
2019-01-31 20:48 ` Logan Gunthorpe
2019-01-31 20:48 ` Logan Gunthorpe
2019-01-31 20:48 ` logang
2019-01-31 20:58 ` Dave Jiang
2019-01-31 20:58 ` Dave Jiang
2019-01-31 20:58 ` Dave Jiang
2019-01-31 20:58 ` dave.jiang
2019-01-31 22:39 ` Logan Gunthorpe
2019-01-31 22:39 ` Logan Gunthorpe
2019-01-31 22:39 ` Logan Gunthorpe
2019-01-31 22:39 ` logang
2019-01-31 22:46 ` Dave Jiang
2019-01-31 22:46 ` Dave Jiang
2019-01-31 22:46 ` Dave Jiang
2019-01-31 22:46 ` dave.jiang
2019-01-31 23:41 ` Logan Gunthorpe
2019-01-31 23:41 ` Logan Gunthorpe
2019-01-31 23:41 ` logang
2019-01-31 23:48 ` Dave Jiang
2019-01-31 23:48 ` Dave Jiang
2019-01-31 23:48 ` dave.jiang
2019-01-31 23:52 ` Logan Gunthorpe
2019-01-31 23:52 ` Logan Gunthorpe
2019-01-31 23:52 ` logang
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