/*
* mspec_init
*
* Called at boot time to initialize the mspec facility.
*/
static int __init
mspec_init(void)
{
int ret;
int nid;
/*
* The fetchop device only works on SN2 hardware, uncached and cached
* memory drivers should both be valid on all ia64 hardware
*/
#ifdef CONFIG_SGI_SN
if (ia64_platform_is("sn2")) {
is_sn2 = 1;
if (is_shub2()) {
ret = -ENOMEM;
for_each_node_state(nid, N_ONLINE) {
int actual_nid;
int nasid;
unsigned long phys;
scratch_page[nid] = uncached_alloc_page(nid, 1);
if (scratch_page[nid] == 0)
goto free_scratch_pages;
phys = __pa(scratch_page[nid]);
nasid = get_node_number(phys);
actual_nid = nasid_to_cnodeid(nasid);
if (actual_nid != nid)
goto free_scratch_pages;
}
}
static inline int
mspec_zero_block(unsigned long addr, int len)
{
int status;
if (is_sn2) {
if (is_shub2()) {
int nid;
void *p;
int i;
nid = nasid_to_cnodeid(get_node_number(__pa(addr)));
p = (void *)TO_AMO(scratch_page[nid]);
for (i=0; i < SH2_AMO_CACHE_ENTRIES; i++) {
FETCHOP_LOAD_OP(p, FETCHOP_LOAD);
p += FETCHOP_VAR_SIZE;
}
}
status = bte_copy(0, addr & ~__IA64_UNCACHED_OFFSET, len,
BTE_WACQUIRE | BTE_ZERO_FILL, NULL);
} else {
memset((char *) addr, 0, len);
status = 0;
}
return status;
}
int main()
{
t_btree *root;
t_btree *root1;
t_btree *root2;
t_btree *root3;
t_btree *root4;
t_btree *root5;
root = btree_create_node("0");
root1 = btree_create_node("1");
root2 = btree_create_node("2");
root3 = btree_create_node("3");
root4 = btree_create_node("4");
root5 = btree_create_node("5");
root3->left = root2;
root2->left = root1;
root1->left = root;
root3->right = root5;
root5->left = root4;
//printf("%d", btree_level_count(root3));
printf("%d\n",get_node_number(root3, 0));
return(0);
}
// the UDP server API
int udp_server(char *msg,int sd,char *from_node)
{
unsigned int numBytes, cliLen;
struct sockaddr_in cliAddr;
memset(msg,0x0,MAX_NLP_DATA_SIZE+NLP_HEADER_SIZE);
/* receive message */
cliLen = sizeof(cliAddr);
numBytes = recvfrom(sd, msg, MAX_NLP_DATA_SIZE+NLP_HEADER_SIZE, 0,(struct sockaddr *) &cliAddr, &cliLen);
if(numBytes < 0)
{
return FAIL;
}
*from_node = (char)get_node_number(inet_ntoa(cliAddr.sin_addr));
return numBytes;
}
/*
* mspec_init
*
* Called at boot time to initialize the mspec facility.
*/
static int __init
mspec_init(void)
{
int ret;
int nid;
/*
* The fetchop device only works on SN2 hardware, uncached and cached
* memory drivers should both be valid on all ia64 hardware
*/
#ifdef CONFIG_SGI_SN
if (ia64_platform_is("sn2")) {
is_sn2 = 1;
if (is_shub2()) {
ret = -ENOMEM;
for_each_online_node(nid) {
int actual_nid;
int nasid;
unsigned long phys;
scratch_page[nid] = uncached_alloc_page(nid);
if (scratch_page[nid] == 0)
goto free_scratch_pages;
phys = __pa(scratch_page[nid]);
nasid = get_node_number(phys);
actual_nid = nasid_to_cnodeid(nasid);
if (actual_nid != nid)
goto free_scratch_pages;
}
}
ret = misc_register(&fetchop_miscdev);
if (ret) {
printk(KERN_ERR
"%s: failed to register device %i\n",
FETCHOP_ID, ret);
goto free_scratch_pages;
}
}
