From f08978b0fdbf37d3c91efb60a20bdee3ba8f59c6 Mon Sep 17 00:00:00 2001 From: Tushar Dave Date: Fri, 28 Oct 2016 10:12:44 -0700 Subject: 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 Reviewed-by: chris hyser Acked-by: Sowmini Varadhan Signed-off-by: David S. Miller --- arch/sparc/include/asm/hypervisor.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'arch/sparc/include/asm/hypervisor.h') 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 -- cgit v1.2.3-70-g09d2