diff options
Diffstat (limited to 'hw/usb/hcd-ohci.c')
-rw-r--r-- | hw/usb/hcd-ohci.c | 39 |
1 files changed, 27 insertions, 12 deletions
diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c index 81cf5ab7a5..6d3f556989 100644 --- a/hw/usb/hcd-ohci.c +++ b/hw/usb/hcd-ohci.c @@ -52,7 +52,7 @@ typedef struct OHCIPort { uint32_t ctrl; } OHCIPort; -typedef struct { +typedef struct OHCIState { USBBus bus; qemu_irq irq; MemoryRegion mem; @@ -108,6 +108,7 @@ typedef struct { uint32_t async_td; bool async_complete; + void (*ohci_die)(struct OHCIState *ohci); } OHCIState; /* Host Controller Communications Area */ @@ -302,7 +303,10 @@ struct ohci_iso_td { #define OHCI_HRESET_FSBIR (1 << 0) -static void ohci_die(OHCIState *ohci); +static void ohci_die(OHCIState *ohci) +{ + ohci->ohci_die(ohci); +} /* Update IRQ levels */ static inline void ohci_intr_update(OHCIState *ohci) @@ -1854,13 +1858,14 @@ static USBBusOps ohci_bus_ops = { static void usb_ohci_init(OHCIState *ohci, DeviceState *dev, uint32_t num_ports, dma_addr_t localmem_base, - char *masterbus, uint32_t firstport, - AddressSpace *as, Error **errp) + char *masterbus, uint32_t firstport, AddressSpace *as, + void (*ohci_die_fn)(struct OHCIState *), Error **errp) { Error *err = NULL; int i; ohci->as = as; + ohci->ohci_die = ohci_die_fn; if (num_ports > OHCI_MAX_PORTS) { error_setg(errp, "OHCI num-ports=%u is too big (limit is %u ports)", @@ -1933,18 +1938,28 @@ typedef struct { uint32_t firstport; } OHCIPCIState; -/** A typical O/EHCI will stop operating, set itself into error state - * (which can be queried by MMIO) and will set PERR in its config - * space to signal that it got an error +/** + * A typical OHCI will stop operating and set itself into error state + * (which can be queried by MMIO) to signal that it got an error. */ -static void ohci_die(OHCIState *ohci) +static void ohci_sysbus_die(struct OHCIState *ohci) { - OHCIPCIState *dev = container_of(ohci, OHCIPCIState, state); - trace_usb_ohci_die(); ohci_set_interrupt(ohci, OHCI_INTR_UE); ohci_bus_stop(ohci); +} + +/** + * A typical PCI OHCI will additionally set PERR in its configspace to + * signal that it got an error. + */ +static void ohci_pci_die(struct OHCIState *ohci) +{ + OHCIPCIState *dev = container_of(ohci, OHCIPCIState, state); + + ohci_sysbus_die(ohci); + pci_set_word(dev->parent_obj.config + PCI_STATUS, PCI_STATUS_DETECTED_PARITY); } @@ -1959,7 +1974,7 @@ static void usb_ohci_realize_pci(PCIDevice *dev, Error **errp) usb_ohci_init(&ohci->state, DEVICE(dev), ohci->num_ports, 0, ohci->masterbus, ohci->firstport, - pci_get_address_space(dev), &err); + pci_get_address_space(dev), ohci_pci_die, &err); if (err) { error_propagate(errp, err); return; @@ -2023,7 +2038,7 @@ static void ohci_realize_pxa(DeviceState *dev, Error **errp) usb_ohci_init(&s->ohci, dev, s->num_ports, s->dma_offset, s->masterbus, s->firstport, - &address_space_memory, &err); + &address_space_memory, ohci_sysbus_die, &err); if (err) { error_propagate(errp, err); return; |