int libxl__arch_domain_map_irq(libxl__gc *gc, uint32_t domid, int irq)
{
int ret;
ret = xc_physdev_map_pirq(CTX->xch, domid, irq, &irq);
if (ret)
return ret;
ret = xc_domain_irq_permission(CTX->xch, domid, irq, 1);
return ret;
}
static void domcreate_launch_dm(libxl__egc *egc, libxl__multidev *multidev,
int ret)
{
libxl__domain_create_state *dcs = CONTAINER_OF(multidev, *dcs, multidev);
STATE_AO_GC(dcs->ao);
int i;
/* convenience aliases */
const uint32_t domid = dcs->guest_domid;
libxl_domain_config *const d_config = dcs->guest_config;
libxl__domain_build_state *const state = &dcs->build_state;
if (ret) {
LOG(ERROR, "unable to add disk devices");
goto error_out;
}
for (i = 0; i < d_config->b_info.num_ioports; i++) {
libxl_ioport_range *io = &d_config->b_info.ioports[i];
LOG(DEBUG, "dom%d ioports %"PRIx32"-%"PRIx32,
domid, io->first, io->first + io->number - 1);
ret = xc_domain_ioport_permission(CTX->xch, domid,
io->first, io->number, 1);
if (ret < 0) {
LOGE(ERROR,
"failed give dom%d access to ioports %"PRIx32"-%"PRIx32,
domid, io->first, io->first + io->number - 1);
ret = ERROR_FAIL;
}
}
for (i = 0; i < d_config->b_info.num_irqs; i++) {
int irq = d_config->b_info.irqs[i];
LOG(DEBUG, "dom%d irq %d", domid, irq);
ret = irq >= 0 ? xc_physdev_map_pirq(CTX->xch, domid, irq, &irq)
: -EOVERFLOW;
if (!ret)
ret = xc_domain_irq_permission(CTX->xch, domid, irq, 1);
if (ret < 0) {
LOGE(ERROR, "failed give dom%d access to irq %d", domid, irq);
ret = ERROR_FAIL;
}
}
for (i = 0; i < d_config->b_info.num_iomem; i++) {
libxl_iomem_range *io = &d_config->b_info.iomem[i];
LOG(DEBUG, "dom%d iomem %"PRIx64"-%"PRIx64,
domid, io->start, io->start + io->number - 1);
ret = xc_domain_iomem_permission(CTX->xch, domid,
io->start, io->number, 1);
if (ret < 0) {
LOGE(ERROR,
"failed give dom%d access to iomem range %"PRIx64"-%"PRIx64,
domid, io->start, io->start + io->number - 1);
ret = ERROR_FAIL;
}
}
switch (d_config->c_info.type) {
case LIBXL_DOMAIN_TYPE_HVM:
{
libxl__device_console console;
libxl_device_vkb vkb;
ret = init_console_info(&console, 0);
if ( ret )
goto error_out;
console.backend_domid = state->console_domid;
libxl__device_console_add(gc, domid, &console, state);
libxl__device_console_dispose(&console);
libxl_device_vkb_init(&vkb);
libxl__device_vkb_add(gc, domid, &vkb);
libxl_device_vkb_dispose(&vkb);
dcs->dmss.dm.guest_domid = domid;
if (libxl_defbool_val(d_config->b_info.device_model_stubdomain))
libxl__spawn_stub_dm(egc, &dcs->dmss);
else
libxl__spawn_local_dm(egc, &dcs->dmss.dm);
return;
}
case LIBXL_DOMAIN_TYPE_PV:
{
int need_qemu = 0;
libxl__device_console console;
for (i = 0; i < d_config->num_vfbs; i++) {
libxl__device_vfb_add(gc, domid, &d_config->vfbs[i]);
libxl__device_vkb_add(gc, domid, &d_config->vkbs[i]);
}
ret = init_console_info(&console, 0);
if ( ret )
goto error_out;
need_qemu = libxl__need_xenpv_qemu(gc, 1, &console,
d_config->num_vfbs, d_config->vfbs,
d_config->num_disks, &d_config->disks[0]);
console.backend_domid = state->console_domid;
libxl__device_console_add(gc, domid, &console, state);
libxl__device_console_dispose(&console);
if (need_qemu) {
dcs->dmss.dm.guest_domid = domid;
libxl__spawn_local_dm(egc, &dcs->dmss.dm);
return;
} else {
assert(!dcs->dmss.dm.guest_domid);
domcreate_devmodel_started(egc, &dcs->dmss.dm, 0);
return;
}
}
default:
ret = ERROR_INVAL;
goto error_out;
}
abort(); /* not reached */
error_out:
assert(ret);
domcreate_complete(egc, dcs, ret);
}
