Commit 52060f07 authored May 29, 2021 by Jean-Philippe Brucker Committed by Zheng Zengkai Jun 03, 2021

PCI/ATS: Export PRI functions

maillist inclusion
category: feature
bugzilla: 51855
CVE: NA

Reference: https://jpbrucker.net/git/linux/commit/?h=sva/2021-03-01&id=8d0debddf237bd794dbb0bb8de89dc11387ede03



---------------------------------------------

The SMMUv3 driver uses pci_{enable,disable}_pri() and related
functions. Export those functions to allow the driver to be built as a
module.

Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: Lijun Fang <fanglijun3@huawei.com>
Reviewed-by: Weilong Chen <chenweilong@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>

parent 49dc5834

drivers/pci/ats.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -185,6 +185,7 @@ void pci_pri_init(struct pci_dev *pdev)
		if (status & PCI_PRI_STATUS_PASID)
		pdev->pasid_required = 1;
		}
		EXPORT_SYMBOL_GPL(pci_pri_init);

		/**
		* pci_enable_pri - Enable PRI capability
		@@ -232,6 +233,7 @@ int pci_enable_pri(struct pci_dev *pdev, u32 reqs)

		return 0;
		}
		EXPORT_SYMBOL_GPL(pci_enable_pri);

		/**
		* pci_disable_pri - Disable PRI capability
		@@ -311,6 +313,7 @@ int pci_reset_pri(struct pci_dev *pdev)

		return 0;
		}
		EXPORT_SYMBOL_GPL(pci_reset_pri);

		/**
		* pci_prg_resp_pasid_required - Return PRG Response PASID Required bit
		@@ -326,6 +329,7 @@ int pci_prg_resp_pasid_required(struct pci_dev *pdev)

		return pdev->pasid_required;
		}
		EXPORT_SYMBOL_GPL(pci_prg_resp_pasid_required);

		/**
		* pci_pri_supported - Check if PRI is supported.