diff options
Diffstat (limited to 'arch/s390/pci/pci.c')
-rw-r--r-- | arch/s390/pci/pci.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index 871af75c69c2..38e17d4d9884 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -180,7 +180,7 @@ int zpci_fmb_enable_device(struct zpci_dev *zdev) { struct mod_pci_args args = { 0, 0, 0, 0 }; - if (zdev->fmb) + if (zdev->fmb || sizeof(*zdev->fmb) < zdev->fmb_length) return -EINVAL; zdev->fmb = kmem_cache_zalloc(zdev_fmb_cache, GFP_KERNEL); @@ -722,6 +722,11 @@ struct dev_pm_ops pcibios_pm_ops = { static int zpci_alloc_domain(struct zpci_dev *zdev) { + if (zpci_unique_uid) { + zdev->domain = (u16) zdev->uid; + return 0; + } + spin_lock(&zpci_domain_lock); zdev->domain = find_first_zero_bit(zpci_domain, ZPCI_NR_DEVICES); if (zdev->domain == ZPCI_NR_DEVICES) { @@ -735,6 +740,9 @@ static int zpci_alloc_domain(struct zpci_dev *zdev) static void zpci_free_domain(struct zpci_dev *zdev) { + if (zpci_unique_uid) + return; + spin_lock(&zpci_domain_lock); clear_bit(zdev->domain, zpci_domain); spin_unlock(&zpci_domain_lock); @@ -854,6 +862,15 @@ void zpci_stop_device(struct zpci_dev *zdev) } EXPORT_SYMBOL_GPL(zpci_stop_device); +int zpci_report_error(struct pci_dev *pdev, + struct zpci_report_error_header *report) +{ + struct zpci_dev *zdev = to_zpci(pdev); + + return sclp_pci_report(report, zdev->fh, zdev->fid); +} +EXPORT_SYMBOL(zpci_report_error); + static inline int barsize(u8 size) { return (size) ? (1 << size) >> 10 : 0; |