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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,
u32 *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 = (u32)op.u.createdomain.domain;
return err;
}
int xc_domain_pause(int xc_handle,
u32 domid)
{
dom0_op_t op;
op.cmd = DOM0_PAUSEDOMAIN;
op.u.pausedomain.domain = (domid_t)domid;
return do_dom0_op(xc_handle, &op);
}
int xc_domain_unpause(int xc_handle,
u32 domid)
{
dom0_op_t op;
op.cmd = DOM0_UNPAUSEDOMAIN;
op.u.unpausedomain.domain = (domid_t)domid;
return do_dom0_op(xc_handle, &op);
}
int xc_domain_destroy(int xc_handle,
u32 domid)
{
dom0_op_t op;
op.cmd = DOM0_DESTROYDOMAIN;
op.u.destroydomain.domain = (domid_t)domid;
return do_dom0_op(xc_handle, &op);
}
int xc_domain_pincpu(int xc_handle,
u32 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,
u32 first_domid,
unsigned int max_doms,
xc_dominfo_t *info)
{
unsigned int nr_doms;
u32 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 = (u32)op.u.getdomaininfo.domain;
info->cpu =
(op.u.getdomaininfo.flags>>DOMFLAGS_CPUSHIFT) & DOMFLAGS_CPUMASK;
info->dying = !!(op.u.getdomaininfo.flags & DOMFLAGS_DYING);
info->crashed = !!(op.u.getdomaininfo.flags & DOMFLAGS_CRASHED);
info->shutdown = !!(op.u.getdomaininfo.flags & DOMFLAGS_SHUTDOWN);
info->paused = !!(op.u.getdomaininfo.flags & DOMFLAGS_PAUSED);
info->blocked = !!(op.u.getdomaininfo.flags & DOMFLAGS_BLOCKED);
info->running = !!(op.u.getdomaininfo.flags & DOMFLAGS_RUNNING);
info->shutdown_reason =
(op.u.getdomaininfo.flags>>DOMFLAGS_SHUTDOWNSHIFT) &
DOMFLAGS_SHUTDOWNMASK;
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 = (u32)op.u.getdomaininfo.domain + 1;
info++;
}
return nr_doms;
}
int xc_domain_getfullinfo(int xc_handle,
u32 domid,
dom0_op_t *op,
full_execution_context_t *ctxt )
{
int rc;
op->cmd = DOM0_GETDOMAININFO;
op->u.getdomaininfo.domain = (domid_t)domid;
op->u.getdomaininfo.ctxt = ctxt;
rc = do_dom0_op(xc_handle, op);
if ( ((u32)op->u.getdomaininfo.domain != domid) && rc > 0 )
return -ESRCH;
else
return rc;
}
int xc_shadow_control(int xc_handle,
u32 domid,
unsigned int sop,
unsigned long *dirty_bitmap,
unsigned long pages,
xc_shadow_control_stats_t *stats )
{
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 ( stats )
memcpy(stats, &op.u.shadow_control.stats,
sizeof(xc_shadow_control_stats_t));
return (rc == 0) ? op.u.shadow_control.pages : rc;
}
int xc_domain_setname(int xc_handle,
u32 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,
u32 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,
u32 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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