From: Lu Baolu <baolu.lu@linux.intel.com> To: David Woodhouse <dwmw2@infradead.org>, Joerg Roedel <joro@8bytes.org>, Bjorn Helgaas <bhelgaas@google.com>, Christoph Hellwig <hch@lst.de> Cc: ashok.raj@intel.com, jacob.jun.pan@intel.com, alan.cox@intel.com, kevin.tian@intel.com, mika.westerberg@linux.intel.com, Ingo Molnar <mingo@redhat.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, pengfei.xu@intel.com, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, Marek Szyprowski <m.szyprowski@samsung.com>, Robin Murphy <robin.murphy@arm.com>, Jonathan Corbet <corbet@lwn.net>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, Juergen Gross <jgross@suse.com>, Stefano Stabellini <sstabellini@kernel.org>, Steven Rostedt <rostedt@goodmis.org>, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Lu Baolu <baolu.lu@linux.intel.com> Subject: [PATCH v6 2/8] PCI: Add dev_is_untrusted helper Date: Tue, 30 Jul 2019 12:52:23 +0800 [thread overview] Message-ID: <20190730045229.3826-3-baolu.lu@linux.intel.com> (raw) In-Reply-To: <20190730045229.3826-1-baolu.lu@linux.intel.com> There are several places in the kernel where it is necessary to check whether a device is a pci untrusted device. Add a helper to simplify the callers. Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Reviewed-by: Christoph Hellwig <hch@lst.de> --- include/linux/pci.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/pci.h b/include/linux/pci.h index 9e700d9f9f28..960352a75a10 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1029,6 +1029,7 @@ void pcibios_setup_bridge(struct pci_bus *bus, unsigned long type); void pci_sort_breadthfirst(void); #define dev_is_pci(d) ((d)->bus == &pci_bus_type) #define dev_is_pf(d) ((dev_is_pci(d) ? to_pci_dev(d)->is_physfn : false)) +#define dev_is_untrusted(d) ((dev_is_pci(d) ? to_pci_dev(d)->untrusted : false)) /* Generic PCI functions exported to card drivers */ @@ -1766,6 +1767,7 @@ static inline struct pci_dev *pci_dev_get(struct pci_dev *dev) { return NULL; } #define dev_is_pci(d) (false) #define dev_is_pf(d) (false) +#define dev_is_untrusted(d) (false) static inline bool pci_acs_enabled(struct pci_dev *pdev, u16 acs_flags) { return false; } static inline int pci_irqd_intx_xlate(struct irq_domain *d, -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Lu Baolu <baolu.lu@linux.intel.com> To: David Woodhouse <dwmw2@infradead.org>, Joerg Roedel <joro@8bytes.org>, Bjorn Helgaas <bhelgaas@google.com>, Christoph Hellwig <hch@lst.de> Cc: Juergen Gross <jgross@suse.com>, kevin.tian@intel.com, Stefano Stabellini <sstabellini@kernel.org>, ashok.raj@intel.com, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, alan.cox@intel.com, Jonathan Corbet <corbet@lwn.net>, Robin Murphy <robin.murphy@arm.com>, Steven Rostedt <rostedt@goodmis.org>, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, pengfei.xu@intel.com, Ingo Molnar <mingo@redhat.com>, jacob.jun.pan@intel.com, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, mika.westerberg@linux.intel.com Subject: [PATCH v6 2/8] PCI: Add dev_is_untrusted helper Date: Tue, 30 Jul 2019 12:52:23 +0800 [thread overview] Message-ID: <20190730045229.3826-3-baolu.lu@linux.intel.com> (raw) In-Reply-To: <20190730045229.3826-1-baolu.lu@linux.intel.com> There are several places in the kernel where it is necessary to check whether a device is a pci untrusted device. Add a helper to simplify the callers. Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Reviewed-by: Christoph Hellwig <hch@lst.de> --- include/linux/pci.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/pci.h b/include/linux/pci.h index 9e700d9f9f28..960352a75a10 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1029,6 +1029,7 @@ void pcibios_setup_bridge(struct pci_bus *bus, unsigned long type); void pci_sort_breadthfirst(void); #define dev_is_pci(d) ((d)->bus == &pci_bus_type) #define dev_is_pf(d) ((dev_is_pci(d) ? to_pci_dev(d)->is_physfn : false)) +#define dev_is_untrusted(d) ((dev_is_pci(d) ? to_pci_dev(d)->untrusted : false)) /* Generic PCI functions exported to card drivers */ @@ -1766,6 +1767,7 @@ static inline struct pci_dev *pci_dev_get(struct pci_dev *dev) { return NULL; } #define dev_is_pci(d) (false) #define dev_is_pf(d) (false) +#define dev_is_untrusted(d) (false) static inline bool pci_acs_enabled(struct pci_dev *pdev, u16 acs_flags) { return false; } static inline int pci_irqd_intx_xlate(struct irq_domain *d, -- 2.17.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2019-07-30 4:53 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-07-30 4:52 [PATCH v6 0/8] iommu: Bounce page for untrusted devices Lu Baolu 2019-07-30 4:52 ` Lu Baolu 2019-07-30 4:52 ` [PATCH v6 1/8] iommu/vt-d: Don't switch off swiotlb if use direct dma Lu Baolu 2019-07-30 4:52 ` Lu Baolu 2019-07-30 4:52 ` Lu Baolu [this message] 2019-07-30 4:52 ` [PATCH v6 2/8] PCI: Add dev_is_untrusted helper Lu Baolu 2019-07-30 4:52 ` [PATCH v6 3/8] swiotlb: Split size parameter to map/unmap APIs Lu Baolu 2019-07-30 4:52 ` Lu Baolu 2019-07-30 4:52 ` [PATCH v6 4/8] swiotlb: Zero out bounce buffer for untrusted device Lu Baolu 2019-07-30 4:52 ` Lu Baolu 2019-07-30 4:52 ` [PATCH v6 5/8] iommu: Add bounce page APIs Lu Baolu 2019-07-30 4:52 ` Lu Baolu 2019-08-14 8:38 ` Joerg Roedel 2019-08-14 8:38 ` Joerg Roedel 2019-08-15 6:15 ` Lu Baolu 2019-08-15 6:15 ` Lu Baolu 2019-08-15 15:48 ` Joerg Roedel 2019-08-15 15:48 ` Joerg Roedel 2019-08-16 2:45 ` Lu Baolu 2019-08-16 2:45 ` Lu Baolu 2019-08-16 4:46 ` Christoph Hellwig 2019-08-16 4:46 ` Christoph Hellwig 2019-08-18 3:07 ` Lu Baolu 2019-08-18 3:07 ` Lu Baolu 2019-07-30 4:52 ` [PATCH v6 6/8] iommu/vt-d: Check whether device requires bounce buffer Lu Baolu 2019-07-30 4:52 ` Lu Baolu 2019-07-30 4:52 ` [PATCH v6 7/8] iommu/vt-d: Add trace events for device dma map/unmap Lu Baolu 2019-07-30 4:52 ` Lu Baolu 2019-07-30 4:52 ` [PATCH v6 8/8] iommu/vt-d: Use bounce buffer for untrusted devices Lu Baolu 2019-07-30 4:52 ` Lu Baolu
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