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sparc64: Enable sun4v dma ops to use IOMMU v2 APIs

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Add Hypervisor IOMMU v2 APIs pci_iotsb_map(), pci_iotsb_demap() and
enable sun4v dma ops to use IOMMU v2 API for all PCIe devices with
64bit DMA mask.

Signed-off-by: Tushar Dave <tushar.n.dave@oracle.com>
Reviewed-by: chris hyser <chris.hyser@oracle.com>
Acked-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tushar Dave
2016-10-28 10:12:44 -07:00
committed by David S. Miller
parent 5116ab4eab
commit f08978b0fd
4 changed files with 211 additions and 58 deletions
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11
arch/sparc/kernel/pci_sun4v.h
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@@ -99,4 +99,15 @@ unsigned long pci_sun4v_iotsb_conf(unsigned long devhandle,
unsigned long pci_sun4v_iotsb_bind(unsigned long devhandle,
unsigned long iotsb_num,
unsigned int pci_device);
unsigned long pci_sun4v_iotsb_map(unsigned long devhandle,
unsigned long iotsb_num,
unsigned long iotsb_index_iottes,
unsigned long io_attributes,
unsigned long io_page_list_pa,
long *mapped);
unsigned long pci_sun4v_iotsb_demap(unsigned long devhandle,
unsigned long iotsb_num,
unsigned long iotsb_index,
unsigned long iottes,
unsigned long *demapped);
#endif /* !(_PCI_SUN4V_H) */