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| author | Joerg Roedel <jroedel@suse.de> | 2017-04-27 15:44:06 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2017-08-15 19:22:45 +0300 |
| commit | f42c22351455bcc8b9eecea19b48bdb499a50a65 (patch) | |
| tree | bef9c48454e3d1d0f9df8806c6897a26a6172db6 /arch/s390/include | |
| parent | ef954844c7ace62f773f4f23e28d2d915adc419f (diff) | |
| download | linux-f42c22351455bcc8b9eecea19b48bdb499a50a65.tar.xz | |
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/include')
| -rw-r--r-- | arch/s390/include/asm/pci.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h index f36b4b726057..386df9adef0a 100644 --- a/arch/s390/include/asm/pci.h +++ b/arch/s390/include/asm/pci.h @@ -8,6 +8,7 @@ #include <linux/pci.h> #include <linux/mutex.h> +#include <linux/iommu.h> #include <asm-generic/pci.h> #include <asm/pci_clp.h> #include <asm/pci_debug.h> @@ -122,6 +123,8 @@ struct zpci_dev { unsigned long iommu_pages; unsigned int next_bit; + struct iommu_device iommu_dev; /* IOMMU core handle */ + char res_name[16]; struct zpci_bar_struct bars[PCI_BAR_COUNT]; @@ -174,6 +177,10 @@ int clp_enable_fh(struct zpci_dev *, u8); int clp_disable_fh(struct zpci_dev *); int clp_get_state(u32 fid, enum zpci_state *state); +/* IOMMU Interface */ +int zpci_init_iommu(struct zpci_dev *zdev); +void zpci_destroy_iommu(struct zpci_dev *zdev); + #ifdef CONFIG_PCI /* Error handling and recovery */ void zpci_event_error(void *); |