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#include <error.h>
#include <signal.h>
#include <fcntl.h>
#include <pciaccess.h>
#include <cthreads.h>
#include <mach.h>
#include <hurd/trivfs.h>
#include <hurd/ports.h>
#include "device_U.h"
#include "irq.h"
#include "netdevice.h"
struct port_bucket *port_bucket;
struct port_bucket *irq_port_bucket;
struct port_class *dev_class;
struct port_class *intr_class;
/* Trivfs hooks. */
int trivfs_fstype = FSTYPE_MISC;
int trivfs_fsid = 0;
int trivfs_support_read = 0;
int trivfs_support_write = 0;
int trivfs_support_exec = 0;
int trivfs_allow_open = O_READ | O_WRITE;
struct port_class *trivfs_protid_portclasses[1];
struct port_class *trivfs_cntl_portclasses[1];
int trivfs_protid_nportclasses = 1;
int trivfs_cntl_nportclasses = 1;
/* Implementation of notify interface */
kern_return_t
do_mach_notify_port_deleted (mach_port_t notify,
mach_port_t name)
{
return EOPNOTSUPP;
}
kern_return_t
do_mach_notify_msg_accepted (mach_port_t notify,
mach_port_t name)
{
return EOPNOTSUPP;
}
kern_return_t
do_mach_notify_port_destroyed (mach_port_t notify,
mach_port_t port)
{
return EOPNOTSUPP;
}
kern_return_t
do_mach_notify_no_senders (mach_port_t notify,
mach_port_mscount_t mscount)
{
return ports_do_mach_notify_no_senders (notify, mscount);
}
kern_return_t
do_mach_notify_send_once (mach_port_t notify)
{
return EOPNOTSUPP;
}
kern_return_t
do_mach_notify_dead_name (mach_port_t notify,
mach_port_t name)
{
return EOPNOTSUPP;
}
void
trivfs_modify_stat (struct trivfs_protid *cred, io_statbuf_t *stat)
{
}
int notify_irq_server (mach_msg_header_t *inp, mach_msg_header_t *outp)
{
extern void pcnet32_interrupt(int irq);
extern struct device *ether_dev;
mach_irq_notification_t *irq_header = (mach_irq_notification_t *) inp;
if (inp->msgh_id != MACH_NOTIFY_IRQ)
return 0;
if (irq_header->irq == ether_dev->irq)
pcnet32_interrupt (irq_header->irq);
// ((mig_reply_header_t *) outp)->RetCode = MIG_NO_REPLY;
return 1;
}
mach_port_t master_device;
mach_port_t priv_host;
void int_handler (int sig)
{
error_t err = device_intr_notify (master_device, 2, 0, MACH_PORT_NULL,
MACH_MSG_TYPE_MAKE_SEND);
if (err)
error (2, err, "device_intr_notify");
exit (0);
}
static int
demuxer (mach_msg_header_t *inp, mach_msg_header_t *outp)
{
extern int device_server (mach_msg_header_t *, mach_msg_header_t *);
extern int notify_server (mach_msg_header_t *, mach_msg_header_t *);
return device_server (inp, outp) || notify_server (inp, outp)
|| trivfs_demuxer (inp, outp) || notify_irq_server (inp, outp);
}
boolean_t
is_master_device (mach_port_t port)
{
struct port_info *pi = ports_lookup_port (port_bucket, port,
trivfs_protid_portclasses[0]);
if (pi == NULL)
return FALSE;
ports_port_deref (pi);
return TRUE;
}
error_t
trivfs_goaway (struct trivfs_control *fsys, int flags)
{
int count;
/* Stop new requests. */
ports_inhibit_class_rpcs (trivfs_cntl_portclasses[0]);
ports_inhibit_class_rpcs (trivfs_protid_portclasses[0]);
count = ports_count_class (trivfs_protid_portclasses[0]);
if (count && !(flags & FSYS_GOAWAY_FORCE))
{
/* We won't go away, so start things going again... */
ports_enable_class (trivfs_protid_portclasses[0]);
ports_resume_class_rpcs (trivfs_cntl_portclasses[0]);
ports_resume_class_rpcs (trivfs_protid_portclasses[0]);
return EBUSY;
}
mach_port_deallocate (mach_task_self (), master_device);
pci_system_cleanup ();
exit (0);
}
void dev_clean_routine (void *port)
{
error_t err = device_intr_notify (master_device, 2, 0, MACH_PORT_NULL,
MACH_MSG_TYPE_MAKE_SEND);
if (err)
error (2, err, "device_intr_notify");
}
any_t
irq_receive_thread(any_t unused)
{
int irq_demuxer (mach_msg_header_t *inp, mach_msg_header_t *outp)
{
return notify_irq_server (inp, outp);
}
ports_manage_port_operations_one_thread (irq_port_bucket, irq_demuxer, 0);
return 0;
}
int
main ()
{
extern void mach_device_init();
extern any_t io_done_thread(any_t unused);
extern boolean_t ioperm_ports ();
extern int pcnet32_probe(struct device *dev);
mach_port_t bootstrap;
error_t err;
struct trivfs_control *fsys;
task_get_bootstrap_port (mach_task_self (), &bootstrap);
if (bootstrap == MACH_PORT_NULL)
error (1, 0, "must be started as a translator");
if (!ioperm_ports ())
error (2, errno, "cannot set the port access permission for the keyboard");
signal (SIGINT, int_handler);
err = get_privileged_ports (&priv_host, &master_device);
if (err)
error (1, err, "get_privileged_ports");
/* Initialize the port bucket and port classes. */
port_bucket = ports_create_bucket ();
irq_port_bucket = ports_create_bucket ();
dev_class = ports_create_class (dev_clean_routine, 0);
intr_class = ports_create_class (0, 0);
trivfs_cntl_portclasses[0] = ports_create_class (trivfs_clean_cntl, 0);
trivfs_protid_portclasses[0] = ports_create_class (trivfs_clean_protid, 0);
err = pci_system_init ();
if (err)
error (2, err, "pci_system_init");
err = pcnet32_probe (NULL);
if (err)
error (2, err, "pcnet32_probe");
mach_device_init ();
linux_net_emulation_init ();
linux_kmem_init ();
/* Reply to our parent. */
err = trivfs_startup (bootstrap, 0,
trivfs_cntl_portclasses[0], port_bucket,
trivfs_protid_portclasses[0], port_bucket, &fsys);
mach_port_deallocate (mach_task_self (), bootstrap);
if (err)
error (1, err, "Contacting parent");
cthread_detach (cthread_fork (io_done_thread, 0));
cthread_detach (cthread_fork (irq_receive_thread, 0));
/* Launch. */
do
{
ports_manage_port_operations_one_thread (port_bucket, demuxer, 0);
} while (trivfs_goaway (fsys, 0));
return 0;
}
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