diff options
Diffstat (limited to 'drivers/iommu/dmar.c')
| -rw-r--r-- | drivers/iommu/dmar.c | 41 |
1 files changed, 22 insertions, 19 deletions
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index 4c6297d1b421..c1e2e0c82e69 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -97,17 +97,17 @@ void *dmar_alloc_dev_scope(void *start, void *end, int *cnt) if (*cnt == 0) return NULL; - return kcalloc(*cnt, sizeof(struct pci_dev *), GFP_KERNEL); + return kcalloc(*cnt, sizeof(struct dmar_dev_scope), GFP_KERNEL); } -void dmar_free_dev_scope(struct pci_dev __rcu ***devices, int *cnt) +void dmar_free_dev_scope(struct dmar_dev_scope **devices, int *cnt) { int i; - struct pci_dev *tmp_dev; + struct device *tmp_dev; if (*devices && *cnt) { for_each_active_dev_scope(*devices, *cnt, i, tmp_dev) - pci_dev_put(tmp_dev); + put_device(tmp_dev); kfree(*devices); } @@ -191,10 +191,11 @@ static bool dmar_match_pci_path(struct dmar_pci_notify_info *info, int bus, /* Return: > 0 if match found, 0 if no match found, < 0 if error happens */ int dmar_insert_dev_scope(struct dmar_pci_notify_info *info, void *start, void*end, u16 segment, - struct pci_dev __rcu **devices, int devices_cnt) + struct dmar_dev_scope *devices, + int devices_cnt) { int i, level; - struct pci_dev *tmp, *dev = info->dev; + struct device *tmp, *dev = &info->dev->dev; struct acpi_dmar_device_scope *scope; struct acpi_dmar_pci_path *path; @@ -213,16 +214,18 @@ int dmar_insert_dev_scope(struct dmar_pci_notify_info *info, continue; if ((scope->entry_type == ACPI_DMAR_SCOPE_TYPE_ENDPOINT) ^ - (dev->hdr_type == PCI_HEADER_TYPE_NORMAL)) { + (info->dev->hdr_type == PCI_HEADER_TYPE_NORMAL)) { pr_warn("Device scope type does not match for %s\n", - pci_name(dev)); + pci_name(info->dev)); return -EINVAL; } for_each_dev_scope(devices, devices_cnt, i, tmp) if (tmp == NULL) { - rcu_assign_pointer(devices[i], - pci_dev_get(dev)); + devices[i].bus = info->dev->bus->number; + devices[i].devfn = info->dev->devfn; + rcu_assign_pointer(devices[i].dev, + get_device(dev)); return 1; } BUG_ON(i >= devices_cnt); @@ -232,19 +235,19 @@ int dmar_insert_dev_scope(struct dmar_pci_notify_info *info, } int dmar_remove_dev_scope(struct dmar_pci_notify_info *info, u16 segment, - struct pci_dev __rcu **devices, int count) + struct dmar_dev_scope *devices, int count) { int index; - struct pci_dev *tmp; + struct device *tmp; if (info->seg != segment) return 0; for_each_active_dev_scope(devices, count, index, tmp) - if (tmp == info->dev) { - rcu_assign_pointer(devices[index], NULL); + if (tmp == &info->dev->dev) { + rcu_assign_pointer(devices[index].dev, NULL); synchronize_rcu(); - pci_dev_put(tmp); + put_device(tmp); return 1; } @@ -562,15 +565,15 @@ parse_dmar_table(void) return ret; } -static int dmar_pci_device_match(struct pci_dev __rcu *devices[], int cnt, - struct pci_dev *dev) +static int dmar_pci_device_match(struct dmar_dev_scope devices[], + int cnt, struct pci_dev *dev) { int index; - struct pci_dev *tmp; + struct device *tmp; while (dev) { for_each_active_dev_scope(devices, cnt, index, tmp) - if (dev == tmp) + if (dev_is_pci(tmp) && dev == to_pci_dev(tmp)) return 1; /* Check our parent */ |