| 1 | /* pci_sun4v_asm: Hypervisor calls for PCI support. |
| 2 | * |
| 3 | * Copyright (C) 2006 David S. Miller <davem@davemloft.net> |
| 4 | */ |
| 5 | |
| 6 | #include <asm/hypervisor.h> |
| 7 | |
| 8 | /* %o0: devhandle |
| 9 | * %o1: devino |
| 10 | * |
| 11 | * returns %o0: sysino |
| 12 | */ |
| 13 | .globl pci_sun4v_devino_to_sysino |
| 14 | pci_sun4v_devino_to_sysino: |
| 15 | mov %o1, %o2 |
| 16 | mov %o0, %o1 |
| 17 | mov HV_FAST_INTR_DEVINO2SYSINO, %o0 |
| 18 | ta HV_FAST_TRAP |
| 19 | retl |
| 20 | mov %o1, %o0 |
| 21 | |
| 22 | /* %o0: devhandle |
| 23 | * %o1: tsbid |
| 24 | * %o2: num ttes |
| 25 | * %o3: io_attributes |
| 26 | * %o4: io_page_list phys address |
| 27 | * |
| 28 | * returns %o0: num ttes mapped |
| 29 | */ |
| 30 | .globl pci_sun4v_iommu_map |
| 31 | pci_sun4v_iommu_map: |
| 32 | mov %o4, %o5 |
| 33 | mov %o3, %o4 |
| 34 | mov %o2, %o3 |
| 35 | mov %o1, %o2 |
| 36 | mov %o0, %o1 |
| 37 | mov HV_FAST_PCI_IOMMU_MAP, %o0 |
| 38 | ta HV_FAST_TRAP |
| 39 | retl |
| 40 | mov %o1, %o0 |
| 41 | |
| 42 | /* %o0: devhandle |
| 43 | * %o1: tsbid |
| 44 | * %o2: num ttes |
| 45 | * |
| 46 | * returns %o0: num ttes demapped |
| 47 | */ |
| 48 | .globl pci_sun4v_iommu_demap |
| 49 | pci_sun4v_iommu_demap: |
| 50 | mov %o2, %o3 |
| 51 | mov %o1, %o2 |
| 52 | mov %o0, %o1 |
| 53 | mov HV_FAST_PCI_IOMMU_DEMAP, %o0 |
| 54 | ta HV_FAST_TRAP |
| 55 | retl |
| 56 | mov %o1, %o0 |