projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| bade5622 DM |
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 |