qemu/hw/s390x/s390-virtio-hcall.c
Alexander Graf b73d353110 s390: Move hw files to hw/s390x
This moves all files only used by s390 system emulation to hw/s390x.

Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
2013-01-29 21:50:04 +01:00

37 lines
817 B
C

/*
* Support for virtio hypercalls on s390
*
* Copyright 2012 IBM Corp.
* Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or (at
* your option) any later version. See the COPYING file in the top-level
* directory.
*/
#include "cpu.h"
#include "hw/s390x/s390-virtio.h"
#define MAX_DIAG_SUBCODES 255
static s390_virtio_fn s390_diag500_table[MAX_DIAG_SUBCODES];
void s390_register_virtio_hypercall(uint64_t code, s390_virtio_fn fn)
{
assert(code < MAX_DIAG_SUBCODES);
assert(!s390_diag500_table[code]);
s390_diag500_table[code] = fn;
}
int s390_virtio_hypercall(CPUS390XState *env)
{
s390_virtio_fn fn = s390_diag500_table[env->regs[1]];
if (!fn) {
return -EINVAL;
}
return fn(&env->regs[2]);
}