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| author | Joerg Roedel | 2017-04-27 14:44:06 +0200 |
|---|---|---|
| committer | Joerg Roedel | 2017-08-15 18:22:45 +0200 |
| commit | f42c22351455bcc8b9eecea19b48bdb499a50a65 (patch) | |
| tree | bef9c48454e3d1d0f9df8806c6897a26a6172db6 /arch/s390/pci | |
| parent | Linux 4.13-rc5 (diff) | |
| download | kernel-qcow2-linux-f42c22351455bcc8b9eecea19b48bdb499a50a65.tar.gz kernel-qcow2-linux-f42c22351455bcc8b9eecea19b48bdb499a50a65.tar.xz kernel-qcow2-linux-f42c22351455bcc8b9eecea19b48bdb499a50a65.zip | |
iommu/s390: Add support for iommu_device handling
Add support for the iommu_device_register interface to make
the s390 hardware iommus visible to the iommu core and in
sysfs.
Acked-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'arch/s390/pci')
| -rw-r--r-- | arch/s390/pci/pci.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index 7b30af5da222..001ca80fa2fe 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -776,6 +776,7 @@ void pcibios_remove_bus(struct pci_bus *bus) zpci_exit_slot(zdev); zpci_cleanup_bus_resources(zdev); + zpci_destroy_iommu(zdev); zpci_free_domain(zdev); spin_lock(&zpci_list_lock); @@ -848,11 +849,15 @@ int zpci_create_device(struct zpci_dev *zdev) if (rc) goto out; + rc = zpci_init_iommu(zdev); + if (rc) + goto out_free; + mutex_init(&zdev->lock); if (zdev->state == ZPCI_FN_STATE_CONFIGURED) { rc = zpci_enable_device(zdev); if (rc) - goto out_free; + goto out_destroy_iommu; } rc = zpci_scan_bus(zdev); if (rc) @@ -869,6 +874,8 @@ int zpci_create_device(struct zpci_dev *zdev) out_disable: if (zdev->state == ZPCI_FN_STATE_ONLINE) zpci_disable_device(zdev); +out_destroy_iommu: + zpci_destroy_iommu(zdev); out_free: zpci_free_domain(zdev); out: |