/* pci_sun4v_asm: Hypervisor calls for PCI support. * * Copyright (C) 2006 David S. Miller <davem@davemloft.net> */ #include <asm/hypervisor.h> /* %o0: devhandle * %o1: tsbid * %o2: num ttes * %o3: io_attributes * %o4: io_page_list phys address * * returns %o0: -status if status was non-zero, else * %o0: num pages mapped */ .globl pci_sun4v_iommu_map pci_sun4v_iommu_map: mov %o5, %g1 mov HV_FAST_PCI_IOMMU_MAP, %o5 ta HV_FAST_TRAP brnz,pn %o0, 1f sub %g0, %o0, %o0 mov %o1, %o0 1: retl nop /* %o0: devhandle * %o1: tsbid * %o2: num ttes * * returns %o0: num ttes demapped */ .globl pci_sun4v_iommu_demap pci_sun4v_iommu_demap: mov HV_FAST_PCI_IOMMU_DEMAP, %o5 ta HV_FAST_TRAP retl mov %o1, %o0 /* %o0: devhandle * %o1: tsbid * %o2: &io_attributes * %o3: &real_address * * returns %o0: status */ .globl pci_sun4v_iommu_getmap pci_sun4v_iommu_getmap: mov %o2, %o4 mov HV_FAST_PCI_IOMMU_GETMAP, %o5 ta HV_FAST_TRAP stx %o1, [%o4] stx %o2, [%o3] retl mov %o0, %o0 /* %o0: devhandle * %o1: pci_device * %o2: pci_config_offset * %o3: size * * returns %o0: data * * If there is an error, the data will be returned * as all 1's. */ .globl pci_sun4v_config_get pci_sun4v_config_get: mov HV_FAST_PCI_CONFIG_GET, %o5 ta HV_FAST_TRAP brnz,a,pn %o1, 1f mov -1, %o2 1: retl mov %o2, %o0 /* %o0: devhandle * %o1: pci_device * %o2: pci_config_offset * %o3: size * %o4: data * * returns %o0: status * * status will be zero if the operation completed * successfully, else -1 if not */ .globl pci_sun4v_config_put pci_sun4v_config_put: mov HV_FAST_PCI_CONFIG_PUT, %o5 ta HV_FAST_TRAP brnz,a,pn %o1, 1f mov -1, %o1 1: retl mov %o1, %o0 /* %o0: devhandle * %o1: msiqid * %o2: msiq phys address * %o3: num entries * * returns %o0: status * * status will be zero if the operation completed * successfully, else -1 if not */ .globl pci_sun4v_msiq_conf pci_sun4v_msiq_conf: mov HV_FAST_PCI_MSIQ_CONF, %o5 ta HV_FAST_TRAP retl mov %o0, %o0 /* %o0: devhandle * %o1: msiqid * %o2: &msiq_phys_addr * %o3: &msiq_num_entries * * returns %o0: status */ .globl pci_sun4v_msiq_info pci_sun4v_msiq_info: mov %o2, %o4 mov HV_FAST_PCI_MSIQ_INFO, %o5 ta HV_FAST_TRAP stx %o1, [%o4] stx %o2, [%o3] retl mov %o0, %o0 /* %o0: devhandle * %o1: msiqid * %o2: &valid * * returns %o0: status */ .globl pci_sun4v_msiq_getvalid pci_sun4v_msiq_getvalid: mov HV_FAST_PCI_MSIQ_GETVALID, %o5 ta HV_FAST_TRAP stx %o1, [%o2] retl mov %o0, %o0 /* %o0: devhandle * %o1: msiqid * %o2: valid * * returns %o0: status */ .globl pci_sun4v_msiq_setvalid pci_sun4v_msiq_setvalid: mov HV_FAST_PCI_MSIQ_SETVALID, %o5 ta HV_FAST_TRAP retl mov %o0, %o0 /* %o0: devhandle * %o1: msiqid * %o2: &state * * returns %o0: status */ .globl pci_sun4v_msiq_getstate pci_sun4v_msiq_getstate: mov HV_FAST_PCI_MSIQ_GETSTATE, %o5 ta HV_FAST_TRAP stx %o1, [%o2] retl mov %o0, %o0 /* %o0: devhandle * %o1: msiqid * %o2: state * * returns %o0: status */ .globl pci_sun4v_msiq_setstate pci_sun4v_msiq_setstate: mov HV_FAST_PCI_MSIQ_SETSTATE, %o5 ta HV_FAST_TRAP retl mov %o0, %o0 /* %o0: devhandle * %o1: msiqid * %o2: &head * * returns %o0: status */ .globl pci_sun4v_msiq_gethead pci_sun4v_msiq_gethead: mov HV_FAST_PCI_MSIQ_GETHEAD, %o5 ta HV_FAST_TRAP stx %o1, [%o2] retl mov %o0, %o0 /* %o0: devhandle * %o1: msiqid * %o2: head * * returns %o0: status */ .globl pci_sun4v_msiq_sethead pci_sun4v_msiq_sethead: mov HV_FAST_PCI_MSIQ_SETHEAD, %o5 ta HV_FAST_TRAP retl mov %o0, %o0 /* %o0: devhandle * %o1: msiqid * %o2: &tail * * returns %o0: status */ .globl pci_sun4v_msiq_gettail pci_sun4v_msiq_gettail: mov HV_FAST_PCI_MSIQ_GETTAIL, %o5 ta HV_FAST_TRAP stx %o1, [%o2] retl mov %o0, %o0 /* %o0: devhandle * %o1: msinum * %o2: &valid * * returns %o0: status */ .globl pci_sun4v_msi_getvalid pci_sun4v_msi_getvalid: mov HV_FAST_PCI_MSI_GETVALID, %o5 ta HV_FAST_TRAP stx %o1, [%o2] retl mov %o0, %o0 /* %o0: devhandle * %o1: msinum * %o2: valid * * returns %o0: status */ .globl pci_sun4v_msi_setvalid pci_sun4v_msi_setvalid: mov HV_FAST_PCI_MSI_SETVALID, %o5 ta HV_FAST_TRAP retl mov %o0, %o0 /* %o0: devhandle * %o1: msinum * %o2: &msiq * * returns %o0: status */ .globl pci_sun4v_msi_getmsiq pci_sun4v_msi_getmsiq: mov HV_FAST_PCI_MSI_GETMSIQ, %o5 ta HV_FAST_TRAP stx %o1, [%o2] retl mov %o0, %o0 /* %o0: devhandle * %o1: msinum * %o2: msitype * %o3: msiq * * returns %o0: status */ .globl pci_sun4v_msi_setmsiq pci_sun4v_msi_setmsiq: mov HV_FAST_PCI_MSI_SETMSIQ, %o5 ta HV_FAST_TRAP retl mov %o0, %o0 /* %o0: devhandle * %o1: msinum * %o2: &state * * returns %o0: status */ .globl pci_sun4v_msi_getstate pci_sun4v_msi_getstate: mov HV_FAST_PCI_MSI_GETSTATE, %o5 ta HV_FAST_TRAP stx %o1, [%o2] retl mov %o0, %o0 /* %o0: devhandle * %o1: msinum * %o2: state * * returns %o0: status */ .globl pci_sun4v_msi_setstate pci_sun4v_msi_setstate: mov HV_FAST_PCI_MSI_SETSTATE, %o5 ta HV_FAST_TRAP retl mov %o0, %o0 /* %o0: devhandle * %o1: msinum * %o2: &msiq * * returns %o0: status */ .globl pci_sun4v_msg_getmsiq pci_sun4v_msg_getmsiq: mov HV_FAST_PCI_MSG_GETMSIQ, %o5 ta HV_FAST_TRAP stx %o1, [%o2] retl mov %o0, %o0 /* %o0: devhandle * %o1: msinum * %o2: msiq * * returns %o0: status */ .globl pci_sun4v_msg_setmsiq pci_sun4v_msg_setmsiq: mov HV_FAST_PCI_MSG_SETMSIQ, %o5 ta HV_FAST_TRAP retl mov %o0, %o0 /* %o0: devhandle * %o1: msinum * %o2: &valid * * returns %o0: status */ .globl pci_sun4v_msg_getvalid pci_sun4v_msg_getvalid: mov HV_FAST_PCI_MSG_GETVALID, %o5 ta HV_FAST_TRAP stx %o1, [%o2] retl mov %o0, %o0 /* %o0: devhandle * %o1: msinum * %o2: valid * * returns %o0: status */ .globl pci_sun4v_msg_setvalid pci_sun4v_msg_setvalid: mov HV_FAST_PCI_MSG_SETVALID, %o5 ta HV_FAST_TRAP retl mov %o0, %o0