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head/sys/dev/pci/pci_host_generic_acpi.c
| Show First 20 Lines • Show All 342 Lines • ▼ Show 20 Lines | |||||
| generic_pcie_acpi_route_interrupt(device_t bus, device_t dev, int pin) | generic_pcie_acpi_route_interrupt(device_t bus, device_t dev, int pin) | ||||
| { | { | ||||
| struct generic_pcie_acpi_softc *sc; | struct generic_pcie_acpi_softc *sc; | ||||
| sc = device_get_softc(bus); | sc = device_get_softc(bus); | ||||
| return (acpi_pcib_route_interrupt(bus, dev, pin, &sc->ap_prt)); | return (acpi_pcib_route_interrupt(bus, dev, pin, &sc->ap_prt)); | ||||
| } | } | ||||
| static u_int | |||||
| generic_pcie_get_xref(device_t pci, device_t child) | |||||
| { | |||||
| struct generic_pcie_acpi_softc *sc; | |||||
| uintptr_t rid; | |||||
| u_int xref, devid; | |||||
| int err; | |||||
| sc = device_get_softc(pci); | |||||
| err = pcib_get_id(pci, child, PCI_ID_RID, &rid); | |||||
| if (err != 0) | |||||
| return (ACPI_MSI_XREF); | |||||
| err = acpi_iort_map_pci_msi(sc->base.ecam, rid, &xref, &devid); | |||||
| if (err != 0) | |||||
| return (ACPI_MSI_XREF); | |||||
| return (xref); | |||||
| } | |||||
| static u_int | |||||
| generic_pcie_map_id(device_t pci, device_t child, uintptr_t *id) | |||||
| { | |||||
| struct generic_pcie_acpi_softc *sc; | |||||
| uintptr_t rid; | |||||
| u_int xref, devid; | |||||
| int err; | |||||
| sc = device_get_softc(pci); | |||||
| err = pcib_get_id(pci, child, PCI_ID_RID, &rid); | |||||
| if (err != 0) | |||||
| return (err); | |||||
| err = acpi_iort_map_pci_msi(sc->base.ecam, rid, &xref, &devid); | |||||
| if (err == 0) | |||||
| *id = devid; | |||||
| else | |||||
| *id = rid; /* RID not in IORT, likely FW bug, ignore */ | |||||
| return (0); | |||||
| } | |||||
| static int | static int | ||||
| generic_pcie_acpi_alloc_msi(device_t pci, device_t child, int count, | generic_pcie_acpi_alloc_msi(device_t pci, device_t child, int count, | ||||
| int maxcount, int *irqs) | int maxcount, int *irqs) | ||||
| { | { | ||||
| #if defined(INTRNG) | #if defined(INTRNG) | ||||
| return (intr_alloc_msi(pci, child, ACPI_MSI_XREF, count, maxcount, | return (intr_alloc_msi(pci, child, generic_pcie_get_xref(pci, child), | ||||
| irqs)); | count, maxcount, irqs)); | ||||
| #else | #else | ||||
| return (ENXIO); | return (ENXIO); | ||||
| #endif | #endif | ||||
| } | } | ||||
| static int | static int | ||||
| generic_pcie_acpi_release_msi(device_t pci, device_t child, int count, | generic_pcie_acpi_release_msi(device_t pci, device_t child, int count, | ||||
| int *irqs) | int *irqs) | ||||
| { | { | ||||
| #if defined(INTRNG) | #if defined(INTRNG) | ||||
| return (intr_release_msi(pci, child, ACPI_MSI_XREF, count, irqs)); | return (intr_release_msi(pci, child, generic_pcie_get_xref(pci, child), | ||||
| count, irqs)); | |||||
| #else | #else | ||||
| return (ENXIO); | return (ENXIO); | ||||
| #endif | #endif | ||||
| } | } | ||||
| static int | static int | ||||
| generic_pcie_acpi_map_msi(device_t pci, device_t child, int irq, uint64_t *addr, | generic_pcie_acpi_map_msi(device_t pci, device_t child, int irq, uint64_t *addr, | ||||
| uint32_t *data) | uint32_t *data) | ||||
| { | { | ||||
| #if defined(INTRNG) | #if defined(INTRNG) | ||||
| return (intr_map_msi(pci, child, ACPI_MSI_XREF, irq, addr, data)); | return (intr_map_msi(pci, child, generic_pcie_get_xref(pci, child), irq, | ||||
| addr, data)); | |||||
| #else | #else | ||||
| return (ENXIO); | return (ENXIO); | ||||
| #endif | #endif | ||||
| } | } | ||||
| static int | static int | ||||
| generic_pcie_acpi_alloc_msix(device_t pci, device_t child, int *irq) | generic_pcie_acpi_alloc_msix(device_t pci, device_t child, int *irq) | ||||
| { | { | ||||
| #if defined(INTRNG) | #if defined(INTRNG) | ||||
| return (intr_alloc_msix(pci, child, ACPI_MSI_XREF, irq)); | return (intr_alloc_msix(pci, child, generic_pcie_get_xref(pci, child), | ||||
| irq)); | |||||
| #else | #else | ||||
| return (ENXIO); | return (ENXIO); | ||||
| #endif | #endif | ||||
| } | } | ||||
| static int | static int | ||||
| generic_pcie_acpi_release_msix(device_t pci, device_t child, int irq) | generic_pcie_acpi_release_msix(device_t pci, device_t child, int irq) | ||||
| { | { | ||||
| #if defined(INTRNG) | #if defined(INTRNG) | ||||
| return (intr_release_msix(pci, child, ACPI_MSI_XREF, irq)); | return (intr_release_msix(pci, child, generic_pcie_get_xref(pci, child), | ||||
| irq)); | |||||
| #else | #else | ||||
| return (ENXIO); | return (ENXIO); | ||||
| #endif | #endif | ||||
| } | } | ||||
| static int | static int | ||||
| generic_pcie_acpi_get_id(device_t pci, device_t child, enum pci_id_type type, | generic_pcie_acpi_get_id(device_t pci, device_t child, enum pci_id_type type, | ||||
| uintptr_t *id) | uintptr_t *id) | ||||
| { | { | ||||
| /* | |||||
| * Use the PCI RID to find the MSI ID for now, we support only 1:1 | |||||
| * mapping | |||||
| * | |||||
| * On aarch64, more complex mapping would come from IORT table | |||||
| */ | |||||
| if (type == PCI_ID_MSI) | if (type == PCI_ID_MSI) | ||||
| return (pcib_get_id(pci, child, PCI_ID_RID, id)); | return (generic_pcie_map_id(pci, child, id)); | ||||
| else | else | ||||
| return (pcib_get_id(pci, child, type, id)); | return (pcib_get_id(pci, child, type, id)); | ||||
| } | } | ||||
| static device_method_t generic_pcie_acpi_methods[] = { | static device_method_t generic_pcie_acpi_methods[] = { | ||||
| DEVMETHOD(device_probe, generic_pcie_acpi_probe), | DEVMETHOD(device_probe, generic_pcie_acpi_probe), | ||||
| DEVMETHOD(device_attach, pci_host_generic_acpi_attach), | DEVMETHOD(device_attach, pci_host_generic_acpi_attach), | ||||
| DEVMETHOD(bus_read_ivar, generic_pcie_acpi_read_ivar), | DEVMETHOD(bus_read_ivar, generic_pcie_acpi_read_ivar), | ||||
| Show All 20 Lines | |||||