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/******************************************************************************
* xc_domain.c
*
* API for manipulating and obtaining information on domains.
*
* Copyright (c) 2003, K A Fraser.
*/
#include "xc_private.h"
int xc_domain_create(int xc_handle,
unsigned int mem_kb,
const char *name,
int cpu,
u64 *pdomid)
{
int err;
dom0_op_t op;
op.cmd = DOM0_CREATEDOMAIN;
op.u.createdomain.memory_kb = mem_kb;
strncpy(op.u.createdomain.name, name, MAX_DOMAIN_NAME);
op.u.createdomain.name[MAX_DOMAIN_NAME-1] = '\0';
op.u.createdomain.cpu = cpu;
if ( (err = do_dom0_op(xc_handle, &op)) == 0 )
*pdomid = (u64)op.u.createdomain.domain;
return err;
}
int xc_domain_start(int xc_handle,
u64 domid)
{
dom0_op_t op;
op.cmd = DOM0_STARTDOMAIN;
op.u.startdomain.domain = (domid_t)domid;
return do_dom0_op(xc_handle, &op);
}
int xc_domain_stop(int xc_handle,
u64 domid)
{
dom0_op_t op;
op.cmd = DOM0_STOPDOMAIN;
op.u.stopdomain.domain = (domid_t)domid;
return do_dom0_op(xc_handle, &op);
}
int xc_domain_destroy(int xc_handle,
u64 domid,
int force)
{
dom0_op_t op;
op.cmd = DOM0_DESTROYDOMAIN;
op.u.destroydomain.domain = (domid_t)domid;
op.u.destroydomain.force = !!force;
return do_dom0_op(xc_handle, &op);
}
int xc_domain_pincpu(int xc_handle,
u64 domid,
int cpu)
{
dom0_op_t op;
op.cmd = DOM0_PINCPUDOMAIN;
op.u.pincpudomain.domain = (domid_t)domid;
op.u.pincpudomain.cpu = cpu;
return do_dom0_op(xc_handle, &op);
}
int xc_domain_getinfo(int xc_handle,
u64 first_domid,
unsigned int max_doms,
xc_dominfo_t *info)
{
unsigned int nr_doms;
u64 next_domid = first_domid;
dom0_op_t op;
for ( nr_doms = 0; nr_doms < max_doms; nr_doms++ )
{
op.cmd = DOM0_GETDOMAININFO;
op.u.getdomaininfo.domain = (domid_t)next_domid;
op.u.getdomaininfo.ctxt = NULL; // no exec context info, thanks.
if ( do_dom0_op(xc_handle, &op) < 0 )
break;
info->domid = (u64)op.u.getdomaininfo.domain;
info->cpu = op.u.getdomaininfo.processor;
info->has_cpu = op.u.getdomaininfo.has_cpu;
info->stopped = (op.u.getdomaininfo.state == DOMSTATE_STOPPED);
info->nr_pages = op.u.getdomaininfo.tot_pages;
info->max_memkb = op.u.getdomaininfo.max_pages<<(PAGE_SHIFT-10);
info->shared_info_frame = op.u.getdomaininfo.shared_info_frame;
info->cpu_time = op.u.getdomaininfo.cpu_time;
strncpy(info->name, op.u.getdomaininfo.name, XC_DOMINFO_MAXNAME);
info->name[XC_DOMINFO_MAXNAME-1] = '\0';
next_domid = (u64)op.u.getdomaininfo.domain + 1;
info++;
}
return nr_doms;
}
int xc_shadow_control(int xc_handle,
u64 domid,
unsigned int sop,
unsigned long *dirty_bitmap,
unsigned long pages)
{
int rc;
dom0_op_t op;
op.cmd = DOM0_SHADOW_CONTROL;
op.u.shadow_control.domain = (domid_t)domid;
op.u.shadow_control.op = sop;
op.u.shadow_control.dirty_bitmap = dirty_bitmap;
op.u.shadow_control.pages = pages;
rc = do_dom0_op(xc_handle, &op);
if ( rc == 0 )
return op.u.shadow_control.pages;
else
return rc;
}
int xc_domain_setname(int xc_handle,
u64 domid,
char *name)
{
dom0_op_t op;
op.cmd = DOM0_SETDOMAINNAME;
op.u.setdomainname.domain = (domid_t)domid;
strncpy(op.u.setdomainname.name, name, MAX_DOMAIN_NAME);
return do_dom0_op(xc_handle, &op);
}
int xc_domain_setinitialmem(int xc_handle,
u64 domid,
unsigned int initial_memkb)
{
dom0_op_t op;
op.cmd = DOM0_SETDOMAININITIALMEM;
op.u.setdomaininitialmem.domain = (domid_t)domid;
op.u.setdomaininitialmem.initial_memkb = initial_memkb;
return do_dom0_op(xc_handle, &op);
}
int xc_domain_setmaxmem(int xc_handle,
u64 domid,
unsigned int max_memkb)
{
dom0_op_t op;
op.cmd = DOM0_SETDOMAINMAXMEM;
op.u.setdomainmaxmem.domain = (domid_t)domid;
op.u.setdomainmaxmem.max_memkb = max_memkb;
return do_dom0_op(xc_handle, &op);
}
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