/*ARGSUSED*/
int
cpuprom_map(devfs_handle_t dev, vhandl_t *vt, off_t addr, size_t len)
{
int errcode;
caddr_t kvaddr;
devfs_handle_t node;
cnodeid_t cnode;
node = prominfo_nodeget(dev);
if (!node)
return EIO;
kvaddr = hubdev_prombase_get(node);
cnode = hubdev_cnodeid_get(node);
#ifdef HUBSPC_DEBUG
printf("cpuprom_map: hubnode %d kvaddr 0x%x\n", node, kvaddr);
#endif
if (len > RBOOT_SIZE)
len = RBOOT_SIZE;
/*
* Map in the prom space
*/
errcode = v_mapphys(vt, kvaddr, len);
if (errcode == 0 ) {
/*
* Set the MD configuration registers suitably.
*/
nasid_t nasid;
uint64_t value;
volatile hubreg_t *regaddr;
nasid = COMPACT_TO_NASID_NODEID(cnode);
regaddr = REMOTE_HUB_ADDR(nasid, FPROM_CONFIG_ADDR);
value = HUB_L(regaddr);
value &= ~(FPROM_SETUP_MASK | FPROM_ENABLE_MASK);
{
value |= (((long)CONFIG_FPROM_SETUP << FPROM_SETUP_SHFT) |
((long)CONFIG_FPROM_ENABLE << FPROM_ENABLE_SHFT));
}
HUB_S(regaddr, value);
}
return (errcode);
}
/*ARGSUSED*/
int
mem_refcnt_mmap(devfs_handle_t dev, vhandl_t *vt, off_t off, size_t len, uint prot)
{
cnodeid_t node;
int errcode;
char* buffer;
size_t blen;
#ifndef CONFIG_IA64_SGI_SN1
extern int numnodes;
#endif
ASSERT( (hubspc_subdevice_t)(ulong)device_info_get(dev) == HUBSPC_REFCOUNTERS );
node = master_node_get(dev);
ASSERT( (node >= 0) && (node < numnodes) );
ASSERT( NODEPDA(node)->migr_refcnt_counterbuffer != NULL);
ASSERT( NODEPDA(node)->migr_refcnt_counterbase != NULL );
ASSERT( NODEPDA(node)->migr_refcnt_cbsize != 0 );
/*
* XXXX deal with prot's somewhere around here....
*/
buffer = NODEPDA(node)->migr_refcnt_counterbuffer;
blen = NODEPDA(node)->migr_refcnt_cbsize;
/*
* Force offset to be a multiple of sizeof(refcnt_t)
* We round up.
*/
off = (((off - 1)/sizeof(refcnt_t)) + 1) * sizeof(refcnt_t);
if ( ((buffer + blen) - (buffer + off + len)) < 0 ) {
return (EPERM);
}
errcode = v_mapphys(vt,
buffer + off,
len);
return errcode;
}
