Open the pci device read-write so we can read and write config regs.

With this, we can hook up the IRQ line information.  It would probably be nice
to have an unpriveleged mode, but for now, write access is required.

diff --git a/src/freebsd_pci.c b/src/freebsd_pci.c
index 8b846e8..d3b0018 100644 (file)
--- a/src/freebsd_pci.c
+++ b/src/freebsd_pci.c
@@ -185,10 +185,18 @@ pci_device_freebsd_write( struct pci_device * dev, const void * data,
 static int
 pci_device_freebsd_probe( struct pci_device * dev )
 {
+    uint8_t irq;
+    int err;
+
     /* Many of the fields were filled in during initial device enumeration.
      * At this point, we need to fill in regions, rom_size, and irq.
      */
 
+    err = pci_device_cfg_read_u8( dev, &irq, 60 );
+    if (err)
+       return errno;
+    dev->irq = irq;
+
     return 0;
 }
 
@@ -216,7 +224,7 @@ pci_system_freebsd_create( void )
     int i;
 
     /* Try to open the PCI device */
-    pcidev = open( "/dev/pci", O_RDONLY );
+    pcidev = open( "/dev/pci", O_RDWR );
     if ( pcidev == -1 )
        return ENXIO;