diff options
Diffstat (limited to 'device/ds_routines.c')
-rw-r--r-- | device/ds_routines.c | 80 |
1 files changed, 39 insertions, 41 deletions
diff --git a/device/ds_routines.c b/device/ds_routines.c index 1cc38f98..af9c7617 100644 --- a/device/ds_routines.c +++ b/device/ds_routines.c @@ -322,44 +322,55 @@ ds_device_map (device_t dev, vm_prot_t prot, vm_offset_t offset, /* TODO: missing deregister support */ io_return_t -ds_device_intr_register (ipc_port_t master_port, int line, - int id, int flags, ipc_port_t receive_port) +ds_device_intr_register (device_t dev, int id, + int flags, ipc_port_t receive_port) { -#ifdef MACH_XEN - return D_INVALID_OPERATION; -#else /* MACH_XEN */ - io_return_t ret; + kern_return_t err; + mach_device_t mdev = dev->emul_data; - /* Open must be called on the master device port. */ - if (master_port != master_device_port) + /* Refuse if device is dead or not completely open. */ + if (dev == DEVICE_NULL) + return D_NO_SUCH_DEVICE; + + /* No flag is defined for now */ + if (flags != 0) return D_INVALID_OPERATION; - /* XXX: move to arch-specific */ - if (line < 0 || line >= 16) + /* Must be called on the irq device only */ + if (! name_equal(mdev->dev_ops->d_name, 3, "irq")) return D_INVALID_OPERATION; - user_intr_t *user_intr = insert_intr_entry (line, receive_port); - if (!user_intr) + user_intr_t *e = insert_intr_entry (&irqtab, id, receive_port); + if (!e) return D_NO_MEMORY; + // TODO The original port should be replaced // when the same device driver calls it again, // in order to handle the case that the device driver crashes and restarts. - ret = install_user_intr_handler (line, flags, user_intr); - - if (ret == 0) - { - /* If the port is installed successfully, increase its reference by 1. - * Thus, the port won't be destroyed after its task is terminated. */ - ip_reference (receive_port); - - /* For now netdde calls device_intr_enable once after registration. Assume - * it does so for now. When we move to IRQ acknowledgment convention we will - * change this. */ - __disable_irq (line); - } - - return ret; -#endif /* MACH_XEN */ + err = install_user_intr_handler (&irqtab, id, flags, e); + if (err == D_SUCCESS) + { + /* If the port is installed successfully, increase its reference by 1. + * Thus, the port won't be destroyed after its task is terminated. */ + ip_reference (receive_port); + } + return err; +} + +kern_return_t +ds_device_intr_ack (device_t dev, ipc_port_t receive_port) +{ + mach_device_t mdev = dev->emul_data; + + /* Refuse if device is dead or not completely open. */ + if (dev == DEVICE_NULL) + return D_NO_SUCH_DEVICE; + + /* Must be called on the irq device only */ + if (! name_equal(mdev->dev_ops->d_name, 3, "irq")) + return D_INVALID_OPERATION; + + return irq_acknowledge(receive_port); } boolean_t @@ -1842,19 +1853,6 @@ device_writev_trap (mach_device_t device, dev_mode_t mode, return (result); } -kern_return_t -ds_device_intr_enable(ipc_port_t master_port, int line, char status) -{ -#ifdef MACH_XEN - return D_INVALID_OPERATION; -#else /* MACH_XEN */ - if (master_port != master_device_port) - return D_INVALID_OPERATION; - - return user_intr_enable(line, status); -#endif /* MACH_XEN */ -} - struct device_emulation_ops mach_device_emulation_ops = { (void*) mach_device_reference, |