diff options
| author | Tushar Dave <tushar.n.dave@oracle.com> | 2016-10-28 10:12:44 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-11-18 11:17:00 -0800 |
| commit | f08978b0fdbf37d3c91efb60a20bdee3ba8f59c6 (patch) | |
| tree | 61a2039e1611d9898c0c23b13e9d95b70430087a /arch/sparc/include/asm | |
| parent | 5116ab4eabed575b7cca61a6e89b7d6fb7440970 (diff) | |
sparc64: Enable sun4v dma ops to use IOMMU v2 APIs
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>
Diffstat (limited to 'arch/sparc/include/asm')
| -rw-r--r-- | arch/sparc/include/asm/hypervisor.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/hypervisor.h b/arch/sparc/include/asm/hypervisor.h index 7b15df8be008..73cb8978df58 100644 --- a/arch/sparc/include/asm/hypervisor.h +++ b/arch/sparc/include/asm/hypervisor.h @@ -2377,6 +2377,12 @@ unsigned long sun4v_vintr_set_target(unsigned long dev_handle, * iotsb_index Zero-based IOTTE number within an IOTSB. */ +/* The index_count argument consists of two fields: + * bits 63:48 #iottes and bits 47:0 iotsb_index + */ +#define HV_PCI_IOTSB_INDEX_COUNT(__iottes, __iotsb_index) \ + (((u64)(__iottes) << 48UL) | ((u64)(__iotsb_index))) + /* pci_iotsb_conf() * TRAP: HV_FAST_TRAP * FUNCTION: HV_FAST_PCI_IOTSB_CONF |