diff options
Diffstat (limited to 'drivers/pci/pci-sysfs.c')
| -rw-r--r-- | drivers/pci/pci-sysfs.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 06c7f0b85cd2..eb6bee8724cc 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -278,6 +278,16 @@ static ssize_t subordinate_bus_number_show(struct device *dev, } static DEVICE_ATTR_RO(subordinate_bus_number); +static ssize_t ari_enabled_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct pci_dev *pci_dev = to_pci_dev(dev); + + return sprintf(buf, "%u\n", pci_ari_enabled(pci_dev->bus)); +} +static DEVICE_ATTR_RO(ari_enabled); + static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -348,7 +358,7 @@ static ssize_t numa_node_store(struct device *dev, return -EINVAL; add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK); - dev_alert(&pdev->dev, FW_BUG "Overriding NUMA node to %d. Contact your vendor for updates.", + pci_alert(pdev, FW_BUG "Overriding NUMA node to %d. Contact your vendor for updates.", node); dev->numa_node = node; @@ -411,7 +421,7 @@ static ssize_t msi_bus_store(struct device *dev, struct device_attribute *attr, */ if (!subordinate) { pdev->no_msi = !val; - dev_info(&pdev->dev, "MSI/MSI-X %s for future drivers\n", + pci_info(pdev, "MSI/MSI-X %s for future drivers\n", val ? "allowed" : "disallowed"); return count; } @@ -613,7 +623,7 @@ static ssize_t sriov_numvfs_store(struct device *dev, /* is PF driver loaded w/callback */ if (!pdev->driver || !pdev->driver->sriov_configure) { - dev_info(&pdev->dev, "Driver doesn't support SRIOV configuration via sysfs\n"); + pci_info(pdev, "Driver doesn't support SRIOV configuration via sysfs\n"); ret = -ENOENT; goto exit; } @@ -626,7 +636,7 @@ static ssize_t sriov_numvfs_store(struct device *dev, /* enable VFs */ if (pdev->sriov->num_VFs) { - dev_warn(&pdev->dev, "%d VFs already enabled. Disable before enabling %d VFs\n", + pci_warn(pdev, "%d VFs already enabled. Disable before enabling %d VFs\n", pdev->sriov->num_VFs, num_vfs); ret = -EBUSY; goto exit; @@ -637,7 +647,7 @@ static ssize_t sriov_numvfs_store(struct device *dev, goto exit; if (ret != num_vfs) - dev_warn(&pdev->dev, "%d VFs requested; only %d enabled\n", + pci_warn(pdev, "%d VFs requested; only %d enabled\n", num_vfs, ret); exit: @@ -786,6 +796,7 @@ static struct attribute *pci_dev_attrs[] = { &dev_attr_devspec.attr, #endif &dev_attr_driver_override.attr, + &dev_attr_ari_enabled.attr, NULL, }; @@ -1216,14 +1227,9 @@ static int pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr, if (res->flags & IORESOURCE_MEM && iomem_is_exclusive(res->start)) return -EINVAL; - if (!pci_mmap_fits(pdev, bar, vma, PCI_MMAP_SYSFS)) { - WARN(1, "process \"%s\" tried to map 0x%08lx bytes at page 0x%08lx on %s BAR %d (start 0x%16Lx, size 0x%16Lx)\n", - current->comm, vma->vm_end-vma->vm_start, vma->vm_pgoff, - pci_name(pdev), bar, - (u64)pci_resource_start(pdev, bar), - (u64)pci_resource_len(pdev, bar)); + if (!pci_mmap_fits(pdev, bar, vma, PCI_MMAP_SYSFS)) return -EINVAL; - } + mmap_type = res->flags & IORESOURCE_MEM ? pci_mmap_mem : pci_mmap_io; return pci_mmap_resource_range(pdev, bar, vma, mmap_type, write_combine); |