2011-04-01 12:15:21 +08:00
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/*
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* QEMU sPAPR VIO code
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*
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* Copyright (c) 2010 David Gibson, IBM Corporation <dwg@au1.ibm.com>
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* Based on the s390 virtio bus code:
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* Copyright (c) 2009 Alexander Graf <agraf@suse.de>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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2016-01-27 02:16:58 +08:00
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#include "qemu/osdep.h"
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include/qemu/osdep.h: Don't include qapi/error.h
Commit 57cb38b included qapi/error.h into qemu/osdep.h to get the
Error typedef. Since then, we've moved to include qemu/osdep.h
everywhere. Its file comment explains: "To avoid getting into
possible circular include dependencies, this file should not include
any other QEMU headers, with the exceptions of config-host.h,
compiler.h, os-posix.h and os-win32.h, all of which are doing a
similar job to this file and are under similar constraints."
qapi/error.h doesn't do a similar job, and it doesn't adhere to
similar constraints: it includes qapi-types.h. That's in excess of
100KiB of crap most .c files don't actually need.
Add the typedef to qemu/typedefs.h, and include that instead of
qapi/error.h. Include qapi/error.h in .c files that need it and don't
get it now. Include qapi-types.h in qom/object.h for uint16List.
Update scripts/clean-includes accordingly. Update it further to match
reality: replace config.h by config-target.h, add sysemu/os-posix.h,
sysemu/os-win32.h. Update the list of includes in the qemu/osdep.h
comment quoted above similarly.
This reduces the number of objects depending on qapi/error.h from "all
of them" to less than a third. Unfortunately, the number depending on
qapi-types.h shrinks only a little. More work is needed for that one.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
[Fix compilation without the spice devel packages. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-03-14 16:01:28 +08:00
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#include "qapi/error.h"
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2013-02-04 22:40:22 +08:00
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#include "hw/hw.h"
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2012-12-18 01:20:04 +08:00
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#include "sysemu/sysemu.h"
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2013-02-04 22:40:22 +08:00
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#include "hw/boards.h"
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#include "hw/loader.h"
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2011-04-01 12:15:21 +08:00
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#include "elf.h"
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#include "hw/sysbus.h"
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2012-12-18 01:20:04 +08:00
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#include "sysemu/kvm.h"
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#include "sysemu/device_tree.h"
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2011-04-01 12:15:30 +08:00
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#include "kvm_ppc.h"
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2011-04-01 12:15:21 +08:00
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2013-02-06 00:06:20 +08:00
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#include "hw/ppc/spapr.h"
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#include "hw/ppc/spapr_vio.h"
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#include "hw/ppc/xics.h"
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2011-04-01 12:15:21 +08:00
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#include <libfdt.h>
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/* #define DEBUG_SPAPR */
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#ifdef DEBUG_SPAPR
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2013-07-29 20:16:39 +08:00
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#define DPRINTF(fmt, ...) \
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2011-04-01 12:15:21 +08:00
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do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0)
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#else
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2013-07-29 20:16:39 +08:00
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#define DPRINTF(fmt, ...) \
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2011-04-01 12:15:21 +08:00
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do { } while (0)
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#endif
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2012-03-29 00:01:36 +08:00
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static Property spapr_vio_props[] = {
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2012-08-08 00:10:32 +08:00
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DEFINE_PROP_UINT32("irq", VIOsPAPRDevice, irq, 0), \
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2012-03-29 00:01:36 +08:00
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DEFINE_PROP_END_OF_LIST(),
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};
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2013-04-08 03:08:17 +08:00
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static char *spapr_vio_get_dev_name(DeviceState *qdev)
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{
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VIOsPAPRDevice *dev = VIO_SPAPR_DEVICE(qdev);
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VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
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char *name;
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/* Device tree style name device@reg */
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name = g_strdup_printf("%s@%x", pc->dt_name, dev->reg);
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return name;
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}
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static void spapr_vio_bus_class_init(ObjectClass *klass, void *data)
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{
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BusClass *k = BUS_CLASS(klass);
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k->get_dev_path = spapr_vio_get_dev_name;
|
2014-03-17 10:40:25 +08:00
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k->get_fw_dev_path = spapr_vio_get_dev_name;
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2013-04-08 03:08:17 +08:00
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}
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2012-05-02 15:00:20 +08:00
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static const TypeInfo spapr_vio_bus_info = {
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.name = TYPE_SPAPR_VIO_BUS,
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.parent = TYPE_BUS,
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2013-04-08 03:08:17 +08:00
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.class_init = spapr_vio_bus_class_init,
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2012-05-02 15:00:20 +08:00
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.instance_size = sizeof(VIOsPAPRBus),
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2011-04-01 12:15:21 +08:00
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};
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VIOsPAPRDevice *spapr_vio_find_by_reg(VIOsPAPRBus *bus, uint32_t reg)
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{
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2011-12-24 05:34:39 +08:00
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BusChild *kid;
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2011-04-01 12:15:21 +08:00
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VIOsPAPRDevice *dev = NULL;
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2011-12-24 05:34:39 +08:00
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QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
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dev = (VIOsPAPRDevice *)kid->child;
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2011-04-01 12:15:21 +08:00
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if (dev->reg == reg) {
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2011-11-14 01:18:58 +08:00
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return dev;
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2011-04-01 12:15:21 +08:00
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}
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}
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2011-11-14 01:18:58 +08:00
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return NULL;
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2011-04-01 12:15:21 +08:00
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}
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static int vio_make_devnode(VIOsPAPRDevice *dev,
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void *fdt)
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{
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2011-12-16 06:31:06 +08:00
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VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
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2011-11-16 02:53:13 +08:00
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int vdevice_off, node_off, ret;
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char *dt_name;
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2011-04-01 12:15:21 +08:00
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vdevice_off = fdt_path_offset(fdt, "/vdevice");
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if (vdevice_off < 0) {
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return vdevice_off;
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}
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2013-04-08 03:08:17 +08:00
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dt_name = spapr_vio_get_dev_name(DEVICE(dev));
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2011-11-16 02:53:13 +08:00
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node_off = fdt_add_subnode(fdt, vdevice_off, dt_name);
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2013-01-17 01:22:29 +08:00
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g_free(dt_name);
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2011-04-01 12:15:21 +08:00
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if (node_off < 0) {
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return node_off;
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}
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ret = fdt_setprop_cell(fdt, node_off, "reg", dev->reg);
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if (ret < 0) {
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return ret;
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}
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2011-12-16 06:31:06 +08:00
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if (pc->dt_type) {
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2011-04-01 12:15:21 +08:00
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ret = fdt_setprop_string(fdt, node_off, "device_type",
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2011-12-16 06:31:06 +08:00
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pc->dt_type);
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2011-04-01 12:15:21 +08:00
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if (ret < 0) {
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return ret;
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}
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}
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2011-12-16 06:31:06 +08:00
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if (pc->dt_compatible) {
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2011-04-01 12:15:21 +08:00
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ret = fdt_setprop_string(fdt, node_off, "compatible",
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2011-12-16 06:31:06 +08:00
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pc->dt_compatible);
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2011-04-01 12:15:21 +08:00
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if (ret < 0) {
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return ret;
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}
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}
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2012-08-08 00:10:32 +08:00
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if (dev->irq) {
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uint32_t ints_prop[] = {cpu_to_be32(dev->irq), 0};
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2011-04-01 12:15:26 +08:00
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ret = fdt_setprop(fdt, node_off, "interrupts", ints_prop,
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sizeof(ints_prop));
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if (ret < 0) {
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return ret;
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}
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}
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2013-04-10 23:30:48 +08:00
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ret = spapr_tcet_dma_dt(fdt, node_off, "ibm,my-dma-window", dev->tcet);
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2012-06-27 12:50:44 +08:00
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if (ret < 0) {
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return ret;
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2011-04-01 12:15:28 +08:00
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}
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2011-12-16 06:31:06 +08:00
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if (pc->devnode) {
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ret = (pc->devnode)(dev, fdt, node_off);
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2011-04-01 12:15:21 +08:00
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if (ret < 0) {
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return ret;
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}
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}
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return node_off;
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}
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2011-04-01 12:15:30 +08:00
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/*
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* CRQ handling
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*/
|
2015-07-02 14:23:04 +08:00
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static target_ulong h_reg_crq(PowerPCCPU *cpu, sPAPRMachineState *spapr,
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2011-04-01 12:15:30 +08:00
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target_ulong opcode, target_ulong *args)
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{
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target_ulong reg = args[0];
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target_ulong queue_addr = args[1];
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target_ulong queue_len = args[2];
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VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
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if (!dev) {
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2012-03-29 05:39:45 +08:00
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hcall_dprintf("Unit 0x" TARGET_FMT_lx " does not exist\n", reg);
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2011-04-01 12:15:30 +08:00
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return H_PARAMETER;
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}
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/* We can't grok a queue size bigger than 256M for now */
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if (queue_len < 0x1000 || queue_len > 0x10000000) {
|
2012-03-29 05:39:45 +08:00
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hcall_dprintf("Queue size too small or too big (0x" TARGET_FMT_lx
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")\n", queue_len);
|
2011-04-01 12:15:30 +08:00
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return H_PARAMETER;
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}
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/* Check queue alignment */
|
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|
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if (queue_addr & 0xfff) {
|
2012-03-29 05:39:45 +08:00
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hcall_dprintf("Queue not aligned (0x" TARGET_FMT_lx ")\n", queue_addr);
|
2011-04-01 12:15:30 +08:00
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return H_PARAMETER;
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}
|
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/* Check if device supports CRQs */
|
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|
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if (!dev->crq.SendFunc) {
|
2012-03-29 05:39:46 +08:00
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hcall_dprintf("Device does not support CRQ\n");
|
2011-04-01 12:15:30 +08:00
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return H_NOT_FOUND;
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}
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/* Already a queue ? */
|
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|
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if (dev->crq.qsize) {
|
2012-03-29 05:39:46 +08:00
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hcall_dprintf("CRQ already registered\n");
|
2011-04-01 12:15:30 +08:00
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return H_RESOURCE;
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}
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dev->crq.qladdr = queue_addr;
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dev->crq.qsize = queue_len;
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dev->crq.qnext = 0;
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|
2013-07-29 20:16:39 +08:00
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DPRINTF("CRQ for dev 0x" TARGET_FMT_lx " registered at 0x"
|
2011-04-01 12:15:30 +08:00
|
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TARGET_FMT_lx "/0x" TARGET_FMT_lx "\n",
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reg, queue_addr, queue_len);
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return H_SUCCESS;
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}
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|
2012-03-29 05:39:46 +08:00
|
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static target_ulong free_crq(VIOsPAPRDevice *dev)
|
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|
|
{
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dev->crq.qladdr = 0;
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|
|
dev->crq.qsize = 0;
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|
|
dev->crq.qnext = 0;
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|
2013-07-29 20:16:39 +08:00
|
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|
DPRINTF("CRQ for dev 0x%" PRIx32 " freed\n", dev->reg);
|
2012-03-29 05:39:46 +08:00
|
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|
return H_SUCCESS;
|
|
|
|
}
|
|
|
|
|
2015-07-02 14:23:04 +08:00
|
|
|
static target_ulong h_free_crq(PowerPCCPU *cpu, sPAPRMachineState *spapr,
|
2011-04-01 12:15:30 +08:00
|
|
|
target_ulong opcode, target_ulong *args)
|
|
|
|
{
|
|
|
|
target_ulong reg = args[0];
|
|
|
|
VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
|
|
|
|
|
|
|
|
if (!dev) {
|
2012-03-29 05:39:45 +08:00
|
|
|
hcall_dprintf("Unit 0x" TARGET_FMT_lx " does not exist\n", reg);
|
2011-04-01 12:15:30 +08:00
|
|
|
return H_PARAMETER;
|
|
|
|
}
|
|
|
|
|
2012-03-29 05:39:46 +08:00
|
|
|
return free_crq(dev);
|
2011-04-01 12:15:30 +08:00
|
|
|
}
|
|
|
|
|
2015-07-02 14:23:04 +08:00
|
|
|
static target_ulong h_send_crq(PowerPCCPU *cpu, sPAPRMachineState *spapr,
|
2011-04-01 12:15:30 +08:00
|
|
|
target_ulong opcode, target_ulong *args)
|
|
|
|
{
|
|
|
|
target_ulong reg = args[0];
|
|
|
|
target_ulong msg_hi = args[1];
|
|
|
|
target_ulong msg_lo = args[2];
|
|
|
|
VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
|
|
|
|
uint64_t crq_mangle[2];
|
|
|
|
|
|
|
|
if (!dev) {
|
2012-03-29 05:39:45 +08:00
|
|
|
hcall_dprintf("Unit 0x" TARGET_FMT_lx " does not exist\n", reg);
|
2011-04-01 12:15:30 +08:00
|
|
|
return H_PARAMETER;
|
|
|
|
}
|
|
|
|
crq_mangle[0] = cpu_to_be64(msg_hi);
|
|
|
|
crq_mangle[1] = cpu_to_be64(msg_lo);
|
|
|
|
|
|
|
|
if (dev->crq.SendFunc) {
|
|
|
|
return dev->crq.SendFunc(dev, (uint8_t *)crq_mangle);
|
|
|
|
}
|
|
|
|
|
|
|
|
return H_HARDWARE;
|
|
|
|
}
|
|
|
|
|
2015-07-02 14:23:04 +08:00
|
|
|
static target_ulong h_enable_crq(PowerPCCPU *cpu, sPAPRMachineState *spapr,
|
2011-04-01 12:15:30 +08:00
|
|
|
target_ulong opcode, target_ulong *args)
|
|
|
|
{
|
|
|
|
target_ulong reg = args[0];
|
|
|
|
VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
|
|
|
|
|
|
|
|
if (!dev) {
|
2012-03-29 05:39:45 +08:00
|
|
|
hcall_dprintf("Unit 0x" TARGET_FMT_lx " does not exist\n", reg);
|
2011-04-01 12:15:30 +08:00
|
|
|
return H_PARAMETER;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Returns negative error, 0 success, or positive: queue full */
|
|
|
|
int spapr_vio_send_crq(VIOsPAPRDevice *dev, uint8_t *crq)
|
|
|
|
{
|
|
|
|
int rc;
|
|
|
|
uint8_t byte;
|
|
|
|
|
|
|
|
if (!dev->crq.qsize) {
|
|
|
|
fprintf(stderr, "spapr_vio_send_creq on uninitialized queue\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Maybe do a fast path for KVM just writing to the pages */
|
2012-06-27 12:50:44 +08:00
|
|
|
rc = spapr_vio_dma_read(dev, dev->crq.qladdr + dev->crq.qnext, &byte, 1);
|
2011-04-01 12:15:30 +08:00
|
|
|
if (rc) {
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
if (byte != 0) {
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2012-06-27 12:50:44 +08:00
|
|
|
rc = spapr_vio_dma_write(dev, dev->crq.qladdr + dev->crq.qnext + 8,
|
2011-04-01 12:15:30 +08:00
|
|
|
&crq[8], 8);
|
|
|
|
if (rc) {
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
|
|
|
kvmppc_eieio();
|
|
|
|
|
2012-06-27 12:50:44 +08:00
|
|
|
rc = spapr_vio_dma_write(dev, dev->crq.qladdr + dev->crq.qnext, crq, 8);
|
2011-04-01 12:15:30 +08:00
|
|
|
if (rc) {
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
|
|
|
dev->crq.qnext = (dev->crq.qnext + 16) % dev->crq.qsize;
|
|
|
|
|
|
|
|
if (dev->signal_state & 1) {
|
2012-08-08 00:10:32 +08:00
|
|
|
qemu_irq_pulse(spapr_vio_qirq(dev));
|
2011-04-01 12:15:30 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2011-04-01 12:15:32 +08:00
|
|
|
/* "quiesce" handling */
|
|
|
|
|
|
|
|
static void spapr_vio_quiesce_one(VIOsPAPRDevice *dev)
|
|
|
|
{
|
2013-04-10 23:30:48 +08:00
|
|
|
if (dev->tcet) {
|
2013-07-19 03:32:58 +08:00
|
|
|
device_reset(DEVICE(dev->tcet));
|
2011-04-01 12:15:32 +08:00
|
|
|
}
|
2012-09-13 00:57:13 +08:00
|
|
|
free_crq(dev);
|
2011-04-01 12:15:32 +08:00
|
|
|
}
|
|
|
|
|
2015-01-29 13:04:58 +08:00
|
|
|
void spapr_vio_set_bypass(VIOsPAPRDevice *dev, bool bypass)
|
|
|
|
{
|
|
|
|
if (!dev->tcet) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
memory_region_set_enabled(&dev->mrbypass, bypass);
|
|
|
|
memory_region_set_enabled(spapr_tce_get_iommu(dev->tcet), !bypass);
|
|
|
|
|
|
|
|
dev->tcet->bypass = bypass;
|
|
|
|
}
|
|
|
|
|
2015-07-02 14:23:04 +08:00
|
|
|
static void rtas_set_tce_bypass(PowerPCCPU *cpu, sPAPRMachineState *spapr,
|
2013-06-20 04:40:30 +08:00
|
|
|
uint32_t token,
|
2011-04-01 12:15:32 +08:00
|
|
|
uint32_t nargs, target_ulong args,
|
|
|
|
uint32_t nret, target_ulong rets)
|
|
|
|
{
|
|
|
|
VIOsPAPRBus *bus = spapr->vio_bus;
|
|
|
|
VIOsPAPRDevice *dev;
|
|
|
|
uint32_t unit, enable;
|
|
|
|
|
|
|
|
if (nargs != 2) {
|
2013-11-19 12:28:54 +08:00
|
|
|
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
|
2011-04-01 12:15:32 +08:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
unit = rtas_ld(args, 0);
|
|
|
|
enable = rtas_ld(args, 1);
|
|
|
|
dev = spapr_vio_find_by_reg(bus, unit);
|
|
|
|
if (!dev) {
|
2013-11-19 12:28:54 +08:00
|
|
|
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
|
2011-04-01 12:15:32 +08:00
|
|
|
return;
|
|
|
|
}
|
2012-06-27 12:50:44 +08:00
|
|
|
|
2013-04-10 23:30:48 +08:00
|
|
|
if (!dev->tcet) {
|
2013-11-19 12:28:54 +08:00
|
|
|
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
|
2012-09-13 00:57:20 +08:00
|
|
|
return;
|
2011-04-01 12:15:32 +08:00
|
|
|
}
|
|
|
|
|
2015-01-29 13:04:58 +08:00
|
|
|
spapr_vio_set_bypass(dev, !!enable);
|
2012-09-13 00:57:20 +08:00
|
|
|
|
2013-11-19 12:28:54 +08:00
|
|
|
rtas_st(rets, 0, RTAS_OUT_SUCCESS);
|
2011-04-01 12:15:32 +08:00
|
|
|
}
|
|
|
|
|
2015-07-02 14:23:04 +08:00
|
|
|
static void rtas_quiesce(PowerPCCPU *cpu, sPAPRMachineState *spapr,
|
2013-06-20 04:40:30 +08:00
|
|
|
uint32_t token,
|
2011-04-01 12:15:32 +08:00
|
|
|
uint32_t nargs, target_ulong args,
|
|
|
|
uint32_t nret, target_ulong rets)
|
|
|
|
{
|
|
|
|
VIOsPAPRBus *bus = spapr->vio_bus;
|
2011-12-24 05:34:39 +08:00
|
|
|
BusChild *kid;
|
2011-04-01 12:15:32 +08:00
|
|
|
VIOsPAPRDevice *dev = NULL;
|
|
|
|
|
|
|
|
if (nargs != 0) {
|
2013-11-19 12:28:54 +08:00
|
|
|
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
|
2011-04-01 12:15:32 +08:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2011-12-24 05:34:39 +08:00
|
|
|
QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
|
|
|
|
dev = (VIOsPAPRDevice *)kid->child;
|
2011-04-01 12:15:32 +08:00
|
|
|
spapr_vio_quiesce_one(dev);
|
|
|
|
}
|
|
|
|
|
2013-11-19 12:28:54 +08:00
|
|
|
rtas_st(rets, 0, RTAS_OUT_SUCCESS);
|
2011-04-01 12:15:32 +08:00
|
|
|
}
|
|
|
|
|
2012-04-26 01:55:41 +08:00
|
|
|
static VIOsPAPRDevice *reg_conflict(VIOsPAPRDevice *dev)
|
2011-12-13 02:24:35 +08:00
|
|
|
{
|
2015-12-23 19:30:12 +08:00
|
|
|
VIOsPAPRBus *bus = SPAPR_VIO_BUS(dev->qdev.parent_bus);
|
2011-12-24 05:34:39 +08:00
|
|
|
BusChild *kid;
|
2012-04-26 01:55:41 +08:00
|
|
|
VIOsPAPRDevice *other;
|
2011-12-13 02:24:35 +08:00
|
|
|
|
|
|
|
/*
|
2012-04-26 01:55:41 +08:00
|
|
|
* Check for a device other than the given one which is already
|
|
|
|
* using the requested address. We have to open code this because
|
|
|
|
* the given dev might already be in the list.
|
2011-12-13 02:24:35 +08:00
|
|
|
*/
|
2011-12-24 05:34:39 +08:00
|
|
|
QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
|
2013-04-08 03:08:16 +08:00
|
|
|
other = VIO_SPAPR_DEVICE(kid->child);
|
2011-12-13 02:24:35 +08:00
|
|
|
|
2012-04-26 01:55:41 +08:00
|
|
|
if (other != dev && other->reg == dev->reg) {
|
|
|
|
return other;
|
2011-12-13 02:24:35 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-04-12 10:44:13 +08:00
|
|
|
static void spapr_vio_busdev_reset(DeviceState *qdev)
|
2012-03-29 05:39:46 +08:00
|
|
|
{
|
2013-04-08 03:08:16 +08:00
|
|
|
VIOsPAPRDevice *dev = VIO_SPAPR_DEVICE(qdev);
|
2012-04-12 10:44:13 +08:00
|
|
|
VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
|
2012-03-29 05:39:46 +08:00
|
|
|
|
2012-09-13 00:57:13 +08:00
|
|
|
/* Shut down the request queue and TCEs if necessary */
|
|
|
|
spapr_vio_quiesce_one(dev);
|
|
|
|
|
|
|
|
dev->signal_state = 0;
|
2012-04-12 10:44:13 +08:00
|
|
|
|
2015-01-29 13:04:58 +08:00
|
|
|
spapr_vio_set_bypass(dev, false);
|
2012-04-12 10:44:13 +08:00
|
|
|
if (pc->reset) {
|
|
|
|
pc->reset(dev);
|
|
|
|
}
|
2012-03-29 05:39:46 +08:00
|
|
|
}
|
|
|
|
|
2015-02-27 18:52:17 +08:00
|
|
|
static void spapr_vio_busdev_realize(DeviceState *qdev, Error **errp)
|
2011-04-01 12:15:21 +08:00
|
|
|
{
|
2015-07-02 14:23:04 +08:00
|
|
|
sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
|
2011-04-01 12:15:21 +08:00
|
|
|
VIOsPAPRDevice *dev = (VIOsPAPRDevice *)qdev;
|
2011-12-16 06:31:06 +08:00
|
|
|
VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
|
2011-04-01 12:15:21 +08:00
|
|
|
char *id;
|
2016-02-26 17:44:07 +08:00
|
|
|
Error *local_err = NULL;
|
2011-12-13 02:24:35 +08:00
|
|
|
|
2012-04-26 01:55:41 +08:00
|
|
|
if (dev->reg != -1) {
|
|
|
|
/*
|
|
|
|
* Explicitly assigned address, just verify that no-one else
|
|
|
|
* is using it. other mechanism). We have to open code this
|
|
|
|
* rather than using spapr_vio_find_by_reg() because sdev
|
|
|
|
* itself is already in the list.
|
|
|
|
*/
|
|
|
|
VIOsPAPRDevice *other = reg_conflict(dev);
|
|
|
|
|
|
|
|
if (other) {
|
2015-02-27 18:52:17 +08:00
|
|
|
error_setg(errp, "%s and %s devices conflict at address %#x",
|
|
|
|
object_get_typename(OBJECT(qdev)),
|
|
|
|
object_get_typename(OBJECT(&other->qdev)),
|
|
|
|
dev->reg);
|
|
|
|
return;
|
2012-04-26 01:55:41 +08:00
|
|
|
}
|
|
|
|
} else {
|
|
|
|
/* Need to assign an address */
|
2015-12-23 19:30:12 +08:00
|
|
|
VIOsPAPRBus *bus = SPAPR_VIO_BUS(dev->qdev.parent_bus);
|
2012-04-26 01:55:41 +08:00
|
|
|
|
|
|
|
do {
|
|
|
|
dev->reg = bus->next_reg++;
|
|
|
|
} while (reg_conflict(dev));
|
2011-12-13 02:24:35 +08:00
|
|
|
}
|
2011-04-01 12:15:21 +08:00
|
|
|
|
2011-11-16 02:53:13 +08:00
|
|
|
/* Don't overwrite ids assigned on the command line */
|
|
|
|
if (!dev->qdev.id) {
|
2013-04-08 03:08:17 +08:00
|
|
|
id = spapr_vio_get_dev_name(DEVICE(dev));
|
2011-11-16 02:53:13 +08:00
|
|
|
dev->qdev.id = id;
|
2011-04-01 12:15:21 +08:00
|
|
|
}
|
|
|
|
|
2016-02-26 17:44:07 +08:00
|
|
|
dev->irq = xics_alloc(spapr->icp, 0, dev->irq, false, &local_err);
|
|
|
|
if (local_err) {
|
|
|
|
error_propagate(errp, local_err);
|
2015-02-27 18:52:17 +08:00
|
|
|
return;
|
2011-05-26 17:52:46 +08:00
|
|
|
}
|
2011-04-01 12:15:21 +08:00
|
|
|
|
2012-09-13 00:57:20 +08:00
|
|
|
if (pc->rtce_window_size) {
|
2015-05-07 13:33:31 +08:00
|
|
|
uint32_t liobn = SPAPR_VIO_LIOBN(dev->reg);
|
2015-01-29 13:04:58 +08:00
|
|
|
|
|
|
|
memory_region_init(&dev->mrroot, OBJECT(dev), "iommu-spapr-root",
|
|
|
|
ram_size);
|
|
|
|
memory_region_init_alias(&dev->mrbypass, OBJECT(dev),
|
|
|
|
"iommu-spapr-bypass", get_system_memory(),
|
|
|
|
0, ram_size);
|
|
|
|
memory_region_add_subregion_overlap(&dev->mrroot, 0, &dev->mrbypass, 1);
|
|
|
|
address_space_init(&dev->as, &dev->mrroot, qdev->id);
|
|
|
|
|
2014-05-27 13:36:35 +08:00
|
|
|
dev->tcet = spapr_tce_new_table(qdev, liobn,
|
2014-05-27 13:36:37 +08:00
|
|
|
0,
|
2014-05-27 13:36:36 +08:00
|
|
|
SPAPR_TCE_PAGE_SHIFT,
|
2014-05-27 13:36:35 +08:00
|
|
|
pc->rtce_window_size >>
|
2014-06-10 13:39:21 +08:00
|
|
|
SPAPR_TCE_PAGE_SHIFT, false);
|
2015-01-29 13:04:58 +08:00
|
|
|
dev->tcet->vdev = dev;
|
|
|
|
memory_region_add_subregion_overlap(&dev->mrroot, 0,
|
|
|
|
spapr_tce_get_iommu(dev->tcet), 2);
|
2012-09-13 00:57:20 +08:00
|
|
|
}
|
2011-04-01 12:15:28 +08:00
|
|
|
|
2015-02-27 18:52:17 +08:00
|
|
|
pc->realize(dev, errp);
|
2011-04-01 12:15:21 +08:00
|
|
|
}
|
|
|
|
|
2015-07-02 14:23:04 +08:00
|
|
|
static target_ulong h_vio_signal(PowerPCCPU *cpu, sPAPRMachineState *spapr,
|
2011-04-01 12:15:26 +08:00
|
|
|
target_ulong opcode,
|
|
|
|
target_ulong *args)
|
|
|
|
{
|
|
|
|
target_ulong reg = args[0];
|
|
|
|
target_ulong mode = args[1];
|
|
|
|
VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
|
2011-12-16 06:31:06 +08:00
|
|
|
VIOsPAPRDeviceClass *pc;
|
2011-04-01 12:15:26 +08:00
|
|
|
|
|
|
|
if (!dev) {
|
|
|
|
return H_PARAMETER;
|
|
|
|
}
|
|
|
|
|
2011-12-16 06:31:06 +08:00
|
|
|
pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
|
2011-04-01 12:15:26 +08:00
|
|
|
|
2011-12-16 06:31:06 +08:00
|
|
|
if (mode & ~pc->signal_mask) {
|
2011-04-01 12:15:26 +08:00
|
|
|
return H_PARAMETER;
|
|
|
|
}
|
|
|
|
|
|
|
|
dev->signal_state = mode;
|
|
|
|
|
|
|
|
return H_SUCCESS;
|
|
|
|
}
|
|
|
|
|
2011-04-01 12:15:21 +08:00
|
|
|
VIOsPAPRBus *spapr_vio_bus_init(void)
|
|
|
|
{
|
|
|
|
VIOsPAPRBus *bus;
|
|
|
|
BusState *qbus;
|
|
|
|
DeviceState *dev;
|
|
|
|
|
|
|
|
/* Create bridge device */
|
2015-12-23 19:30:12 +08:00
|
|
|
dev = qdev_create(NULL, TYPE_SPAPR_VIO_BRIDGE);
|
2011-04-01 12:15:21 +08:00
|
|
|
qdev_init_nofail(dev);
|
|
|
|
|
|
|
|
/* Create bus on bridge device */
|
2012-05-02 15:00:20 +08:00
|
|
|
qbus = qbus_create(TYPE_SPAPR_VIO_BUS, dev, "spapr-vio");
|
2015-12-23 19:30:12 +08:00
|
|
|
bus = SPAPR_VIO_BUS(qbus);
|
2013-01-24 01:20:43 +08:00
|
|
|
bus->next_reg = 0x71000000;
|
2011-04-01 12:15:21 +08:00
|
|
|
|
2011-04-01 12:15:26 +08:00
|
|
|
/* hcall-vio */
|
|
|
|
spapr_register_hypercall(H_VIO_SIGNAL, h_vio_signal);
|
|
|
|
|
2011-04-01 12:15:30 +08:00
|
|
|
/* hcall-crq */
|
|
|
|
spapr_register_hypercall(H_REG_CRQ, h_reg_crq);
|
|
|
|
spapr_register_hypercall(H_FREE_CRQ, h_free_crq);
|
|
|
|
spapr_register_hypercall(H_SEND_CRQ, h_send_crq);
|
|
|
|
spapr_register_hypercall(H_ENABLE_CRQ, h_enable_crq);
|
|
|
|
|
2011-04-01 12:15:32 +08:00
|
|
|
/* RTAS calls */
|
2014-06-23 21:26:32 +08:00
|
|
|
spapr_rtas_register(RTAS_IBM_SET_TCE_BYPASS, "ibm,set-tce-bypass",
|
|
|
|
rtas_set_tce_bypass);
|
|
|
|
spapr_rtas_register(RTAS_QUIESCE, "quiesce", rtas_quiesce);
|
2011-04-01 12:15:32 +08:00
|
|
|
|
2011-04-01 12:15:21 +08:00
|
|
|
return bus;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Represents sPAPR hcall VIO devices */
|
|
|
|
|
|
|
|
static int spapr_vio_bridge_init(SysBusDevice *dev)
|
|
|
|
{
|
|
|
|
/* nothing */
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-01-25 03:12:29 +08:00
|
|
|
static void spapr_vio_bridge_class_init(ObjectClass *klass, void *data)
|
|
|
|
{
|
2011-12-08 11:34:16 +08:00
|
|
|
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
|
2014-03-17 10:40:25 +08:00
|
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
2012-01-25 03:12:29 +08:00
|
|
|
|
2014-03-17 10:40:25 +08:00
|
|
|
dc->fw_name = "vdevice";
|
2011-12-08 11:34:16 +08:00
|
|
|
k->init = spapr_vio_bridge_init;
|
2012-01-25 03:12:29 +08:00
|
|
|
}
|
|
|
|
|
2013-01-10 23:19:07 +08:00
|
|
|
static const TypeInfo spapr_vio_bridge_info = {
|
2015-12-23 19:30:12 +08:00
|
|
|
.name = TYPE_SPAPR_VIO_BRIDGE,
|
2011-12-08 11:34:16 +08:00
|
|
|
.parent = TYPE_SYS_BUS_DEVICE,
|
|
|
|
.class_init = spapr_vio_bridge_class_init,
|
2011-04-01 12:15:21 +08:00
|
|
|
};
|
|
|
|
|
2013-07-19 03:32:55 +08:00
|
|
|
const VMStateDescription vmstate_spapr_vio = {
|
|
|
|
.name = "spapr_vio",
|
|
|
|
.version_id = 1,
|
|
|
|
.minimum_version_id = 1,
|
2014-04-16 21:24:04 +08:00
|
|
|
.fields = (VMStateField[]) {
|
2013-07-19 03:32:55 +08:00
|
|
|
/* Sanity check */
|
|
|
|
VMSTATE_UINT32_EQUAL(reg, VIOsPAPRDevice),
|
|
|
|
VMSTATE_UINT32_EQUAL(irq, VIOsPAPRDevice),
|
|
|
|
|
|
|
|
/* General VIO device state */
|
|
|
|
VMSTATE_UINTTL(signal_state, VIOsPAPRDevice),
|
|
|
|
VMSTATE_UINT64(crq.qladdr, VIOsPAPRDevice),
|
|
|
|
VMSTATE_UINT32(crq.qsize, VIOsPAPRDevice),
|
|
|
|
VMSTATE_UINT32(crq.qnext, VIOsPAPRDevice),
|
|
|
|
|
|
|
|
VMSTATE_END_OF_LIST()
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
2011-12-08 11:34:16 +08:00
|
|
|
static void vio_spapr_device_class_init(ObjectClass *klass, void *data)
|
|
|
|
{
|
|
|
|
DeviceClass *k = DEVICE_CLASS(klass);
|
2015-02-27 18:52:17 +08:00
|
|
|
k->realize = spapr_vio_busdev_realize;
|
2012-04-12 10:44:13 +08:00
|
|
|
k->reset = spapr_vio_busdev_reset;
|
2012-05-02 15:00:20 +08:00
|
|
|
k->bus_type = TYPE_SPAPR_VIO_BUS;
|
2012-03-29 00:12:47 +08:00
|
|
|
k->props = spapr_vio_props;
|
2011-12-08 11:34:16 +08:00
|
|
|
}
|
|
|
|
|
2013-01-10 23:19:07 +08:00
|
|
|
static const TypeInfo spapr_vio_type_info = {
|
2011-12-16 06:31:06 +08:00
|
|
|
.name = TYPE_VIO_SPAPR_DEVICE,
|
|
|
|
.parent = TYPE_DEVICE,
|
|
|
|
.instance_size = sizeof(VIOsPAPRDevice),
|
|
|
|
.abstract = true,
|
|
|
|
.class_size = sizeof(VIOsPAPRDeviceClass),
|
2011-12-08 11:34:16 +08:00
|
|
|
.class_init = vio_spapr_device_class_init,
|
2011-12-16 06:31:06 +08:00
|
|
|
};
|
|
|
|
|
2012-02-09 22:20:55 +08:00
|
|
|
static void spapr_vio_register_types(void)
|
2011-04-01 12:15:21 +08:00
|
|
|
{
|
2012-05-02 15:00:20 +08:00
|
|
|
type_register_static(&spapr_vio_bus_info);
|
2011-12-08 11:34:16 +08:00
|
|
|
type_register_static(&spapr_vio_bridge_info);
|
2011-12-16 06:31:06 +08:00
|
|
|
type_register_static(&spapr_vio_type_info);
|
2011-04-01 12:15:21 +08:00
|
|
|
}
|
|
|
|
|
2012-02-09 22:20:55 +08:00
|
|
|
type_init(spapr_vio_register_types)
|
2011-04-01 12:15:21 +08:00
|
|
|
|
2011-12-13 02:24:32 +08:00
|
|
|
static int compare_reg(const void *p1, const void *p2)
|
|
|
|
{
|
|
|
|
VIOsPAPRDevice const *dev1, *dev2;
|
|
|
|
|
|
|
|
dev1 = (VIOsPAPRDevice *)*(DeviceState **)p1;
|
|
|
|
dev2 = (VIOsPAPRDevice *)*(DeviceState **)p2;
|
|
|
|
|
|
|
|
if (dev1->reg < dev2->reg) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
if (dev1->reg == dev2->reg) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* dev1->reg > dev2->reg */
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2011-04-01 12:15:21 +08:00
|
|
|
int spapr_populate_vdevice(VIOsPAPRBus *bus, void *fdt)
|
|
|
|
{
|
2011-12-13 02:24:32 +08:00
|
|
|
DeviceState *qdev, **qdevs;
|
2011-12-24 05:34:39 +08:00
|
|
|
BusChild *kid;
|
2011-12-13 02:24:32 +08:00
|
|
|
int i, num, ret = 0;
|
2011-04-01 12:15:21 +08:00
|
|
|
|
2011-12-13 02:24:32 +08:00
|
|
|
/* Count qdevs on the bus list */
|
|
|
|
num = 0;
|
2011-12-24 05:34:39 +08:00
|
|
|
QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
|
2011-12-13 02:24:32 +08:00
|
|
|
num++;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Copy out into an array of pointers */
|
|
|
|
qdevs = g_malloc(sizeof(qdev) * num);
|
|
|
|
num = 0;
|
2011-12-24 05:34:39 +08:00
|
|
|
QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
|
|
|
|
qdevs[num++] = kid->child;
|
2011-12-13 02:24:32 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Sort the array */
|
|
|
|
qsort(qdevs, num, sizeof(qdev), compare_reg);
|
|
|
|
|
|
|
|
/* Hack alert. Give the devices to libfdt in reverse order, we happen
|
|
|
|
* to know that will mean they are in forward order in the tree. */
|
|
|
|
for (i = num - 1; i >= 0; i--) {
|
|
|
|
VIOsPAPRDevice *dev = (VIOsPAPRDevice *)(qdevs[i]);
|
2011-04-01 12:15:21 +08:00
|
|
|
|
|
|
|
ret = vio_make_devnode(dev, fdt);
|
|
|
|
|
|
|
|
if (ret < 0) {
|
2011-12-13 02:24:32 +08:00
|
|
|
goto out;
|
2011-04-01 12:15:21 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-12-13 02:24:32 +08:00
|
|
|
ret = 0;
|
|
|
|
out:
|
2015-01-28 22:54:03 +08:00
|
|
|
g_free(qdevs);
|
2011-12-13 02:24:32 +08:00
|
|
|
|
|
|
|
return ret;
|
2011-04-01 12:15:21 +08:00
|
|
|
}
|
2011-12-13 12:24:34 +08:00
|
|
|
|
|
|
|
int spapr_populate_chosen_stdout(void *fdt, VIOsPAPRBus *bus)
|
|
|
|
{
|
|
|
|
VIOsPAPRDevice *dev;
|
|
|
|
char *name, *path;
|
|
|
|
int ret, offset;
|
|
|
|
|
|
|
|
dev = spapr_vty_get_default(bus);
|
|
|
|
if (!dev)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
offset = fdt_path_offset(fdt, "/chosen");
|
|
|
|
if (offset < 0) {
|
|
|
|
return offset;
|
|
|
|
}
|
|
|
|
|
2013-04-08 03:08:17 +08:00
|
|
|
name = spapr_vio_get_dev_name(DEVICE(dev));
|
2013-01-17 01:22:29 +08:00
|
|
|
path = g_strdup_printf("/vdevice/%s", name);
|
2011-12-13 12:24:34 +08:00
|
|
|
|
|
|
|
ret = fdt_setprop_string(fdt, offset, "linux,stdout-path", path);
|
2013-01-17 01:22:29 +08:00
|
|
|
|
|
|
|
g_free(name);
|
|
|
|
g_free(path);
|
2011-12-13 12:24:34 +08:00
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|