/*
* Hook for modifying the OS boot path. This hook allows us to handle
* device arguments that the OS can't handle.
*/
void
mangle_os_bootpath(char *bpath)
{
pnode_t node;
char *stripped_pathname;
node = prom_finddevice(bpath);
if (prom_devicetype(node, "network") == 0)
return;
/*
* The OS can't handle network device arguments
* eg: boot net:promiscuous,speed=100,duplex=full
* So, we remove any argument strings in the device
* pathname we hand off to the OS for network devices.
*
* Internally, within boot, bpath is used to access
* the device, but v2path (as the boot property "boot-path")
* is the pathname passed to the OS.
*/
stripped_pathname = kmem_alloc(OBP_MAXPATHLEN, 0);
prom_strip_options(bpath, stripped_pathname);
v2path = stripped_pathname;
}
static int
walk_cpus_cb(pnode_t node, void *arg, void *result)
{
walk_cpu_data_t *wcd = arg;
/*
* Sun4v doesn't support port_id on guest.
*/
#ifndef sun4v
int port_id;
#endif /* sun4v */
if (!prom_devicetype(node, OBP_CPU))
return (PROM_WALK_CONTINUE);
#ifndef sun4v
if ((prom_getprop(node, "portid", (caddr_t)&port_id) == -1) &&
(prom_getprop(node, "upa-portid", (caddr_t)&port_id) == -1) &&
(prom_getprop(node, "cpuid", (caddr_t)&port_id) == -1)) {
warn("cpu node %x has no identifying properties\n",
node);
return (PROM_WALK_CONTINUE);
}
#endif /* sun4v */
if (wcd->wcd_cb(node, wcd->wcd_arg, result) != 0)
return (PROM_WALK_TERMINATE);
return (PROM_WALK_CONTINUE);
}
/*
* prom_findnode_bydevtype() searches the prom device subtree rooted at 'node'
* and returns the first node whose device type property matches the type
* supplied in 'devtype'.
*/
static int
bytype_cb(pnode_t node, void *arg, void *result)
{
if (prom_devicetype(node, (char *)arg)) {
*((pnode_t *)result) = node;
return (PROM_WALK_TERMINATE);
}
return (PROM_WALK_CONTINUE);
}
int
prom_stdout_is_framebuffer(void)
{
static int remember = -1;
if (remember == -1)
remember = prom_devicetype((pnode_t)prom_stdout_node(),
OBP_DISPLAY);
return (remember);
}
boolean_t
is_netdev(char *devpath)
{
pnode_t node = prom_finddevice(devpath);
char *options;
if ((node == OBP_NONODE) || (node == OBP_BADNODE))
return (B_FALSE);
if (prom_devicetype(node, "network") != 0)
return (B_TRUE);
/*
* For Infiniband, network device names will be of the
* format XXX/ib@0:port=1,pkey=1234,protocol=ip[,YYY] where
* XXX is typically /pci@8,700000/pci@1. The device_type
* property will be "ib".
*/
if (prom_devicetype(node, "ib") != 0) {
options = prom_path_options(devpath);
if (options != NULL) {
#define SEARCHSTRING ",protocol=ip"
#define SEARCHSTRLEN strlen(SEARCHSTRING)
if (strstr(options, ",protocol=ip,") != NULL)
return (B_TRUE);
while ((options = strstr(options, SEARCHSTRING)) !=
NULL) {
char nextc;
nextc = options[SEARCHSTRLEN];
if ((nextc == ',') || (nextc == 0))
return (B_TRUE);
options += SEARCHSTRLEN;
}
}
}
return (B_FALSE);
}
