diff options
Diffstat (limited to 'drivers/iommu/amd_iommu.c')
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 68 |
1 files changed, 3 insertions, 65 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index f7cdd2ab7f11..dce1d8d2e8a4 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -1,20 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2007-2010 Advanced Micro Devices, Inc. * Author: Joerg Roedel <jroedel@suse.de> * Leo Duran <leo.duran@amd.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #define pr_fmt(fmt) "AMD-Vi: " fmt @@ -165,7 +153,7 @@ static inline u16 get_pci_device_id(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); - return PCI_DEVID(pdev->bus->number, pdev->devfn); + return pci_dev_id(pdev); } static inline int get_acpihid_device_id(struct device *dev, @@ -1723,31 +1711,6 @@ static void dma_ops_free_iova(struct dma_ops_domain *dma_dom, * ****************************************************************************/ -/* - * This function adds a protection domain to the global protection domain list - */ -static void add_domain_to_list(struct protection_domain *domain) -{ - unsigned long flags; - - spin_lock_irqsave(&amd_iommu_pd_lock, flags); - list_add(&domain->list, &amd_iommu_pd_list); - spin_unlock_irqrestore(&amd_iommu_pd_lock, flags); -} - -/* - * This function removes a protection domain to the global - * protection domain list - */ -static void del_domain_from_list(struct protection_domain *domain) -{ - unsigned long flags; - - spin_lock_irqsave(&amd_iommu_pd_lock, flags); - list_del(&domain->list); - spin_unlock_irqrestore(&amd_iommu_pd_lock, flags); -} - static u16 domain_id_alloc(void) { int id; @@ -1838,8 +1801,6 @@ static void dma_ops_domain_free(struct dma_ops_domain *dom) if (!dom) return; - del_domain_from_list(&dom->domain); - put_iova_domain(&dom->iovad); free_pagetable(&dom->domain); @@ -1880,8 +1841,6 @@ static struct dma_ops_domain *dma_ops_domain_alloc(void) /* Initialize reserved ranges */ copy_reserved_iova(&reserved_iova_ranges, &dma_dom->iovad); - add_domain_to_list(&dma_dom->domain); - return dma_dom; free_dma_dom: @@ -2122,23 +2081,6 @@ out_err: return ret; } -/* FIXME: Move this to PCI code */ -#define PCI_PRI_TLP_OFF (1 << 15) - -static bool pci_pri_tlp_required(struct pci_dev *pdev) -{ - u16 status; - int pos; - - pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PRI); - if (!pos) - return false; - - pci_read_config_word(pdev, pos + PCI_PRI_STATUS, &status); - - return (status & PCI_PRI_TLP_OFF) ? true : false; -} - /* * If a device is not yet associated with a domain, this function makes the * device visible in the domain @@ -2167,7 +2109,7 @@ static int attach_device(struct device *dev, dev_data->ats.enabled = true; dev_data->ats.qdep = pci_ats_queue_depth(pdev); - dev_data->pri_tlp = pci_pri_tlp_required(pdev); + dev_data->pri_tlp = pci_prg_resp_pasid_required(pdev); } } else if (amd_iommu_iotlb_sup && pci_enable_ats(pdev, PAGE_SHIFT) == 0) { @@ -2897,8 +2839,6 @@ static void protection_domain_free(struct protection_domain *domain) if (!domain) return; - del_domain_from_list(domain); - if (domain->id) domain_id_free(domain->id); @@ -2928,8 +2868,6 @@ static struct protection_domain *protection_domain_alloc(void) if (protection_domain_init(domain)) goto out_err; - add_domain_to_list(domain); - return domain; out_err: |