We already get the property name as argument to the property getter and setters, we don't need to use prop->name. This will make it easier to remove the Property.name field in the future. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Stefan Berger <stefanb@linux.ibm.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <20201211220529.2290218-20-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
1167 lines
30 KiB
C
1167 lines
30 KiB
C
/*
|
|
* qdev property parsing
|
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* (parts specific for qemu-system-*)
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*
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* This file is based on code from hw/qdev-properties.c from
|
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* commit 074a86fccd185616469dfcdc0e157f438aebba18,
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* Copyright (c) Gerd Hoffmann <kraxel@redhat.com> and other contributors.
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "hw/qdev-properties.h"
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#include "hw/qdev-properties-system.h"
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#include "qapi/error.h"
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#include "qapi/visitor.h"
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#include "qapi/qapi-types-block.h"
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#include "qapi/qapi-types-machine.h"
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#include "qapi/qapi-types-migration.h"
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#include "qapi/qmp/qerror.h"
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#include "qemu/ctype.h"
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#include "qemu/cutils.h"
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#include "qemu/units.h"
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#include "qemu/uuid.h"
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#include "qemu/error-report.h"
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#include "qdev-prop-internal.h"
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#include "audio/audio.h"
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#include "chardev/char-fe.h"
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#include "sysemu/block-backend.h"
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#include "sysemu/blockdev.h"
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#include "net/net.h"
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#include "hw/pci/pci.h"
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#include "util/block-helpers.h"
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static bool check_prop_still_unset(Object *obj, const char *name,
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const void *old_val, const char *new_val,
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Error **errp)
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{
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const GlobalProperty *prop = qdev_find_global_prop(obj, name);
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if (!old_val) {
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return true;
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}
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if (prop) {
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error_setg(errp, "-global %s.%s=... conflicts with %s=%s",
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prop->driver, prop->property, name, new_val);
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} else {
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/* Error message is vague, but a better one would be hard */
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error_setg(errp, "%s=%s conflicts, and override is not implemented",
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name, new_val);
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}
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return false;
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}
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/* --- drive --- */
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static void get_drive(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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Property *prop = opaque;
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void **ptr = qdev_get_prop_ptr(obj, prop);
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const char *value;
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char *p;
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if (*ptr) {
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value = blk_name(*ptr);
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if (!*value) {
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BlockDriverState *bs = blk_bs(*ptr);
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if (bs) {
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value = bdrv_get_node_name(bs);
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}
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}
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} else {
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value = "";
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}
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p = g_strdup(value);
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visit_type_str(v, name, &p, errp);
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g_free(p);
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}
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static void set_drive_helper(Object *obj, Visitor *v, const char *name,
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void *opaque, bool iothread, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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void **ptr = qdev_get_prop_ptr(obj, prop);
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char *str;
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BlockBackend *blk;
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bool blk_created = false;
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int ret;
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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if (!visit_type_str(v, name, &str, errp)) {
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return;
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}
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/*
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* TODO Should this really be an error? If no, the old value
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* needs to be released before we store the new one.
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*/
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if (!check_prop_still_unset(obj, name, *ptr, str, errp)) {
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return;
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}
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if (!*str) {
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g_free(str);
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*ptr = NULL;
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return;
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}
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blk = blk_by_name(str);
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if (!blk) {
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BlockDriverState *bs = bdrv_lookup_bs(NULL, str, NULL);
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if (bs) {
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/*
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* If the device supports iothreads, it will make sure to move the
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* block node to the right AioContext if necessary (or fail if this
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* isn't possible because of other users). Devices that are not
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* aware of iothreads require their BlockBackends to be in the main
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* AioContext.
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*/
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AioContext *ctx = iothread ? bdrv_get_aio_context(bs) :
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qemu_get_aio_context();
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blk = blk_new(ctx, 0, BLK_PERM_ALL);
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blk_created = true;
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ret = blk_insert_bs(blk, bs, errp);
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if (ret < 0) {
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goto fail;
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}
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}
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}
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if (!blk) {
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error_setg(errp, "Property '%s.%s' can't find value '%s'",
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object_get_typename(OBJECT(dev)), name, str);
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goto fail;
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}
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if (blk_attach_dev(blk, dev) < 0) {
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DriveInfo *dinfo = blk_legacy_dinfo(blk);
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if (dinfo && dinfo->type != IF_NONE) {
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error_setg(errp, "Drive '%s' is already in use because "
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"it has been automatically connected to another "
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"device (did you need 'if=none' in the drive options?)",
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str);
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} else {
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error_setg(errp, "Drive '%s' is already in use by another device",
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str);
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}
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goto fail;
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}
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*ptr = blk;
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fail:
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if (blk_created) {
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/* If we need to keep a reference, blk_attach_dev() took it */
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blk_unref(blk);
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}
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g_free(str);
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}
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static void set_drive(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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set_drive_helper(obj, v, name, opaque, false, errp);
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}
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static void set_drive_iothread(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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set_drive_helper(obj, v, name, opaque, true, errp);
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}
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static void release_drive(Object *obj, const char *name, void *opaque)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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BlockBackend **ptr = qdev_get_prop_ptr(obj, prop);
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if (*ptr) {
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AioContext *ctx = blk_get_aio_context(*ptr);
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aio_context_acquire(ctx);
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blockdev_auto_del(*ptr);
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blk_detach_dev(*ptr, dev);
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aio_context_release(ctx);
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}
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}
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const PropertyInfo qdev_prop_drive = {
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.name = "str",
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.description = "Node name or ID of a block device to use as a backend",
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.get = get_drive,
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.set = set_drive,
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.release = release_drive,
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};
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const PropertyInfo qdev_prop_drive_iothread = {
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.name = "str",
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.description = "Node name or ID of a block device to use as a backend",
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.get = get_drive,
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.set = set_drive_iothread,
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.release = release_drive,
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};
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/* --- character device --- */
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static void get_chr(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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CharBackend *be = qdev_get_prop_ptr(obj, opaque);
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char *p;
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p = g_strdup(be->chr && be->chr->label ? be->chr->label : "");
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visit_type_str(v, name, &p, errp);
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g_free(p);
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}
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static void set_chr(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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CharBackend *be = qdev_get_prop_ptr(obj, prop);
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Chardev *s;
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char *str;
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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if (!visit_type_str(v, name, &str, errp)) {
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return;
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}
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/*
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* TODO Should this really be an error? If no, the old value
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* needs to be released before we store the new one.
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*/
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if (!check_prop_still_unset(obj, name, be->chr, str, errp)) {
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return;
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}
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if (!*str) {
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g_free(str);
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be->chr = NULL;
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return;
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}
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s = qemu_chr_find(str);
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if (s == NULL) {
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error_setg(errp, "Property '%s.%s' can't find value '%s'",
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object_get_typename(obj), name, str);
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} else if (!qemu_chr_fe_init(be, s, errp)) {
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error_prepend(errp, "Property '%s.%s' can't take value '%s': ",
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object_get_typename(obj), name, str);
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}
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g_free(str);
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}
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static void release_chr(Object *obj, const char *name, void *opaque)
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{
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Property *prop = opaque;
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CharBackend *be = qdev_get_prop_ptr(obj, prop);
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qemu_chr_fe_deinit(be, false);
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}
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const PropertyInfo qdev_prop_chr = {
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.name = "str",
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.description = "ID of a chardev to use as a backend",
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.get = get_chr,
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.set = set_chr,
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.release = release_chr,
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};
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/* --- mac address --- */
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/*
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* accepted syntax versions:
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* 01:02:03:04:05:06
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* 01-02-03-04-05-06
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*/
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static void get_mac(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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Property *prop = opaque;
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MACAddr *mac = qdev_get_prop_ptr(obj, prop);
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char buffer[2 * 6 + 5 + 1];
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char *p = buffer;
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snprintf(buffer, sizeof(buffer), "%02x:%02x:%02x:%02x:%02x:%02x",
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mac->a[0], mac->a[1], mac->a[2],
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mac->a[3], mac->a[4], mac->a[5]);
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visit_type_str(v, name, &p, errp);
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}
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static void set_mac(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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MACAddr *mac = qdev_get_prop_ptr(obj, prop);
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int i, pos;
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char *str;
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const char *p;
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|
|
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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|
}
|
|
|
|
if (!visit_type_str(v, name, &str, errp)) {
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|
return;
|
|
}
|
|
|
|
for (i = 0, pos = 0; i < 6; i++, pos += 3) {
|
|
long val;
|
|
|
|
if (!qemu_isxdigit(str[pos])) {
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goto inval;
|
|
}
|
|
if (!qemu_isxdigit(str[pos + 1])) {
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|
goto inval;
|
|
}
|
|
if (i == 5) {
|
|
if (str[pos + 2] != '\0') {
|
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goto inval;
|
|
}
|
|
} else {
|
|
if (str[pos + 2] != ':' && str[pos + 2] != '-') {
|
|
goto inval;
|
|
}
|
|
}
|
|
if (qemu_strtol(str + pos, &p, 16, &val) < 0 || val > 0xff) {
|
|
goto inval;
|
|
}
|
|
mac->a[i] = val;
|
|
}
|
|
g_free(str);
|
|
return;
|
|
|
|
inval:
|
|
error_set_from_qdev_prop_error(errp, EINVAL, obj, name, str);
|
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g_free(str);
|
|
}
|
|
|
|
const PropertyInfo qdev_prop_macaddr = {
|
|
.name = "str",
|
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.description = "Ethernet 6-byte MAC Address, example: 52:54:00:12:34:56",
|
|
.get = get_mac,
|
|
.set = set_mac,
|
|
};
|
|
|
|
void qdev_prop_set_macaddr(DeviceState *dev, const char *name,
|
|
const uint8_t *value)
|
|
{
|
|
char str[2 * 6 + 5 + 1];
|
|
snprintf(str, sizeof(str), "%02x:%02x:%02x:%02x:%02x:%02x",
|
|
value[0], value[1], value[2], value[3], value[4], value[5]);
|
|
|
|
object_property_set_str(OBJECT(dev), name, str, &error_abort);
|
|
}
|
|
|
|
/* --- netdev device --- */
|
|
static void get_netdev(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
Property *prop = opaque;
|
|
NICPeers *peers_ptr = qdev_get_prop_ptr(obj, prop);
|
|
char *p = g_strdup(peers_ptr->ncs[0] ? peers_ptr->ncs[0]->name : "");
|
|
|
|
visit_type_str(v, name, &p, errp);
|
|
g_free(p);
|
|
}
|
|
|
|
static void set_netdev(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
DeviceState *dev = DEVICE(obj);
|
|
Property *prop = opaque;
|
|
NICPeers *peers_ptr = qdev_get_prop_ptr(obj, prop);
|
|
NetClientState **ncs = peers_ptr->ncs;
|
|
NetClientState *peers[MAX_QUEUE_NUM];
|
|
int queues, err = 0, i = 0;
|
|
char *str;
|
|
|
|
if (dev->realized) {
|
|
qdev_prop_set_after_realize(dev, name, errp);
|
|
return;
|
|
}
|
|
|
|
if (!visit_type_str(v, name, &str, errp)) {
|
|
return;
|
|
}
|
|
|
|
queues = qemu_find_net_clients_except(str, peers,
|
|
NET_CLIENT_DRIVER_NIC,
|
|
MAX_QUEUE_NUM);
|
|
if (queues == 0) {
|
|
err = -ENOENT;
|
|
goto out;
|
|
}
|
|
|
|
if (queues > MAX_QUEUE_NUM) {
|
|
error_setg(errp, "queues of backend '%s'(%d) exceeds QEMU limitation(%d)",
|
|
str, queues, MAX_QUEUE_NUM);
|
|
goto out;
|
|
}
|
|
|
|
for (i = 0; i < queues; i++) {
|
|
if (peers[i]->peer) {
|
|
err = -EEXIST;
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* TODO Should this really be an error? If no, the old value
|
|
* needs to be released before we store the new one.
|
|
*/
|
|
if (!check_prop_still_unset(obj, name, ncs[i], str, errp)) {
|
|
goto out;
|
|
}
|
|
|
|
ncs[i] = peers[i];
|
|
ncs[i]->queue_index = i;
|
|
}
|
|
|
|
peers_ptr->queues = queues;
|
|
|
|
out:
|
|
error_set_from_qdev_prop_error(errp, err, obj, name, str);
|
|
g_free(str);
|
|
}
|
|
|
|
const PropertyInfo qdev_prop_netdev = {
|
|
.name = "str",
|
|
.description = "ID of a netdev to use as a backend",
|
|
.get = get_netdev,
|
|
.set = set_netdev,
|
|
};
|
|
|
|
|
|
/* --- audiodev --- */
|
|
static void get_audiodev(Object *obj, Visitor *v, const char* name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
Property *prop = opaque;
|
|
QEMUSoundCard *card = qdev_get_prop_ptr(obj, prop);
|
|
char *p = g_strdup(audio_get_id(card));
|
|
|
|
visit_type_str(v, name, &p, errp);
|
|
g_free(p);
|
|
}
|
|
|
|
static void set_audiodev(Object *obj, Visitor *v, const char* name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
DeviceState *dev = DEVICE(obj);
|
|
Property *prop = opaque;
|
|
QEMUSoundCard *card = qdev_get_prop_ptr(obj, prop);
|
|
AudioState *state;
|
|
int err = 0;
|
|
char *str;
|
|
|
|
if (dev->realized) {
|
|
qdev_prop_set_after_realize(dev, name, errp);
|
|
return;
|
|
}
|
|
|
|
if (!visit_type_str(v, name, &str, errp)) {
|
|
return;
|
|
}
|
|
|
|
state = audio_state_by_name(str);
|
|
|
|
if (!state) {
|
|
err = -ENOENT;
|
|
goto out;
|
|
}
|
|
card->state = state;
|
|
|
|
out:
|
|
error_set_from_qdev_prop_error(errp, err, obj, name, str);
|
|
g_free(str);
|
|
}
|
|
|
|
const PropertyInfo qdev_prop_audiodev = {
|
|
.name = "str",
|
|
.description = "ID of an audiodev to use as a backend",
|
|
/* release done on shutdown */
|
|
.get = get_audiodev,
|
|
.set = set_audiodev,
|
|
};
|
|
|
|
bool qdev_prop_set_drive_err(DeviceState *dev, const char *name,
|
|
BlockBackend *value, Error **errp)
|
|
{
|
|
const char *ref = "";
|
|
|
|
if (value) {
|
|
ref = blk_name(value);
|
|
if (!*ref) {
|
|
const BlockDriverState *bs = blk_bs(value);
|
|
if (bs) {
|
|
ref = bdrv_get_node_name(bs);
|
|
}
|
|
}
|
|
}
|
|
|
|
return object_property_set_str(OBJECT(dev), name, ref, errp);
|
|
}
|
|
|
|
void qdev_prop_set_drive(DeviceState *dev, const char *name,
|
|
BlockBackend *value)
|
|
{
|
|
qdev_prop_set_drive_err(dev, name, value, &error_abort);
|
|
}
|
|
|
|
void qdev_prop_set_chr(DeviceState *dev, const char *name,
|
|
Chardev *value)
|
|
{
|
|
assert(!value || value->label);
|
|
object_property_set_str(OBJECT(dev), name, value ? value->label : "",
|
|
&error_abort);
|
|
}
|
|
|
|
void qdev_prop_set_netdev(DeviceState *dev, const char *name,
|
|
NetClientState *value)
|
|
{
|
|
assert(!value || value->name);
|
|
object_property_set_str(OBJECT(dev), name, value ? value->name : "",
|
|
&error_abort);
|
|
}
|
|
|
|
void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd)
|
|
{
|
|
qdev_prop_set_macaddr(dev, "mac", nd->macaddr.a);
|
|
if (nd->netdev) {
|
|
qdev_prop_set_netdev(dev, "netdev", nd->netdev);
|
|
}
|
|
if (nd->nvectors != DEV_NVECTORS_UNSPECIFIED &&
|
|
object_property_find(OBJECT(dev), "vectors")) {
|
|
qdev_prop_set_uint32(dev, "vectors", nd->nvectors);
|
|
}
|
|
nd->instantiated = 1;
|
|
}
|
|
|
|
/* --- lost tick policy --- */
|
|
|
|
QEMU_BUILD_BUG_ON(sizeof(LostTickPolicy) != sizeof(int));
|
|
|
|
const PropertyInfo qdev_prop_losttickpolicy = {
|
|
.name = "LostTickPolicy",
|
|
.enum_table = &LostTickPolicy_lookup,
|
|
.get = qdev_propinfo_get_enum,
|
|
.set = qdev_propinfo_set_enum,
|
|
.set_default_value = qdev_propinfo_set_default_value_enum,
|
|
};
|
|
|
|
/* --- blocksize --- */
|
|
|
|
static void set_blocksize(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
DeviceState *dev = DEVICE(obj);
|
|
Property *prop = opaque;
|
|
uint32_t *ptr = qdev_get_prop_ptr(obj, prop);
|
|
uint64_t value;
|
|
Error *local_err = NULL;
|
|
|
|
if (dev->realized) {
|
|
qdev_prop_set_after_realize(dev, name, errp);
|
|
return;
|
|
}
|
|
|
|
if (!visit_type_size(v, name, &value, errp)) {
|
|
return;
|
|
}
|
|
check_block_size(dev->id ? : "", name, value, &local_err);
|
|
if (local_err) {
|
|
error_propagate(errp, local_err);
|
|
return;
|
|
}
|
|
*ptr = value;
|
|
}
|
|
|
|
const PropertyInfo qdev_prop_blocksize = {
|
|
.name = "size",
|
|
.description = "A power of two between " MIN_BLOCK_SIZE_STR
|
|
" and " MAX_BLOCK_SIZE_STR,
|
|
.get = qdev_propinfo_get_size32,
|
|
.set = set_blocksize,
|
|
.set_default_value = qdev_propinfo_set_default_value_uint,
|
|
};
|
|
|
|
/* --- Block device error handling policy --- */
|
|
|
|
QEMU_BUILD_BUG_ON(sizeof(BlockdevOnError) != sizeof(int));
|
|
|
|
const PropertyInfo qdev_prop_blockdev_on_error = {
|
|
.name = "BlockdevOnError",
|
|
.description = "Error handling policy, "
|
|
"report/ignore/enospc/stop/auto",
|
|
.enum_table = &BlockdevOnError_lookup,
|
|
.get = qdev_propinfo_get_enum,
|
|
.set = qdev_propinfo_set_enum,
|
|
.set_default_value = qdev_propinfo_set_default_value_enum,
|
|
};
|
|
|
|
/* --- BIOS CHS translation */
|
|
|
|
QEMU_BUILD_BUG_ON(sizeof(BiosAtaTranslation) != sizeof(int));
|
|
|
|
const PropertyInfo qdev_prop_bios_chs_trans = {
|
|
.name = "BiosAtaTranslation",
|
|
.description = "Logical CHS translation algorithm, "
|
|
"auto/none/lba/large/rechs",
|
|
.enum_table = &BiosAtaTranslation_lookup,
|
|
.get = qdev_propinfo_get_enum,
|
|
.set = qdev_propinfo_set_enum,
|
|
.set_default_value = qdev_propinfo_set_default_value_enum,
|
|
};
|
|
|
|
/* --- FDC default drive types */
|
|
|
|
const PropertyInfo qdev_prop_fdc_drive_type = {
|
|
.name = "FdcDriveType",
|
|
.description = "FDC drive type, "
|
|
"144/288/120/none/auto",
|
|
.enum_table = &FloppyDriveType_lookup,
|
|
.get = qdev_propinfo_get_enum,
|
|
.set = qdev_propinfo_set_enum,
|
|
.set_default_value = qdev_propinfo_set_default_value_enum,
|
|
};
|
|
|
|
/* --- MultiFDCompression --- */
|
|
|
|
const PropertyInfo qdev_prop_multifd_compression = {
|
|
.name = "MultiFDCompression",
|
|
.description = "multifd_compression values, "
|
|
"none/zlib/zstd",
|
|
.enum_table = &MultiFDCompression_lookup,
|
|
.get = qdev_propinfo_get_enum,
|
|
.set = qdev_propinfo_set_enum,
|
|
.set_default_value = qdev_propinfo_set_default_value_enum,
|
|
};
|
|
|
|
/* --- Reserved Region --- */
|
|
|
|
/*
|
|
* Accepted syntax:
|
|
* <low address>:<high address>:<type>
|
|
* where low/high addresses are uint64_t in hexadecimal
|
|
* and type is a non-negative decimal integer
|
|
*/
|
|
static void get_reserved_region(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
Property *prop = opaque;
|
|
ReservedRegion *rr = qdev_get_prop_ptr(obj, prop);
|
|
char buffer[64];
|
|
char *p = buffer;
|
|
int rc;
|
|
|
|
rc = snprintf(buffer, sizeof(buffer), "0x%"PRIx64":0x%"PRIx64":%u",
|
|
rr->low, rr->high, rr->type);
|
|
assert(rc < sizeof(buffer));
|
|
|
|
visit_type_str(v, name, &p, errp);
|
|
}
|
|
|
|
static void set_reserved_region(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
DeviceState *dev = DEVICE(obj);
|
|
Property *prop = opaque;
|
|
ReservedRegion *rr = qdev_get_prop_ptr(obj, prop);
|
|
Error *local_err = NULL;
|
|
const char *endptr;
|
|
char *str;
|
|
int ret;
|
|
|
|
if (dev->realized) {
|
|
qdev_prop_set_after_realize(dev, name, errp);
|
|
return;
|
|
}
|
|
|
|
visit_type_str(v, name, &str, &local_err);
|
|
if (local_err) {
|
|
error_propagate(errp, local_err);
|
|
return;
|
|
}
|
|
|
|
ret = qemu_strtou64(str, &endptr, 16, &rr->low);
|
|
if (ret) {
|
|
error_setg(errp, "start address of '%s'"
|
|
" must be a hexadecimal integer", name);
|
|
goto out;
|
|
}
|
|
if (*endptr != ':') {
|
|
goto separator_error;
|
|
}
|
|
|
|
ret = qemu_strtou64(endptr + 1, &endptr, 16, &rr->high);
|
|
if (ret) {
|
|
error_setg(errp, "end address of '%s'"
|
|
" must be a hexadecimal integer", name);
|
|
goto out;
|
|
}
|
|
if (*endptr != ':') {
|
|
goto separator_error;
|
|
}
|
|
|
|
ret = qemu_strtoui(endptr + 1, &endptr, 10, &rr->type);
|
|
if (ret) {
|
|
error_setg(errp, "type of '%s'"
|
|
" must be a non-negative decimal integer", name);
|
|
}
|
|
goto out;
|
|
|
|
separator_error:
|
|
error_setg(errp, "reserved region fields must be separated with ':'");
|
|
out:
|
|
g_free(str);
|
|
return;
|
|
}
|
|
|
|
const PropertyInfo qdev_prop_reserved_region = {
|
|
.name = "reserved_region",
|
|
.description = "Reserved Region, example: 0xFEE00000:0xFEEFFFFF:0",
|
|
.get = get_reserved_region,
|
|
.set = set_reserved_region,
|
|
};
|
|
|
|
/* --- pci address --- */
|
|
|
|
/*
|
|
* bus-local address, i.e. "$slot" or "$slot.$fn"
|
|
*/
|
|
static void set_pci_devfn(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
DeviceState *dev = DEVICE(obj);
|
|
Property *prop = opaque;
|
|
int32_t value, *ptr = qdev_get_prop_ptr(obj, prop);
|
|
unsigned int slot, fn, n;
|
|
char *str;
|
|
|
|
if (dev->realized) {
|
|
qdev_prop_set_after_realize(dev, name, errp);
|
|
return;
|
|
}
|
|
|
|
if (!visit_type_str(v, name, &str, NULL)) {
|
|
if (!visit_type_int32(v, name, &value, errp)) {
|
|
return;
|
|
}
|
|
if (value < -1 || value > 255) {
|
|
error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
|
|
name ? name : "null", "a value between -1 and 255");
|
|
return;
|
|
}
|
|
*ptr = value;
|
|
return;
|
|
}
|
|
|
|
if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) {
|
|
fn = 0;
|
|
if (sscanf(str, "%x%n", &slot, &n) != 1) {
|
|
goto invalid;
|
|
}
|
|
}
|
|
if (str[n] != '\0' || fn > 7 || slot > 31) {
|
|
goto invalid;
|
|
}
|
|
*ptr = slot << 3 | fn;
|
|
g_free(str);
|
|
return;
|
|
|
|
invalid:
|
|
error_set_from_qdev_prop_error(errp, EINVAL, obj, name, str);
|
|
g_free(str);
|
|
}
|
|
|
|
static int print_pci_devfn(Object *obj, Property *prop, char *dest,
|
|
size_t len)
|
|
{
|
|
int32_t *ptr = qdev_get_prop_ptr(obj, prop);
|
|
|
|
if (*ptr == -1) {
|
|
return snprintf(dest, len, "<unset>");
|
|
} else {
|
|
return snprintf(dest, len, "%02x.%x", *ptr >> 3, *ptr & 7);
|
|
}
|
|
}
|
|
|
|
const PropertyInfo qdev_prop_pci_devfn = {
|
|
.name = "int32",
|
|
.description = "Slot and optional function number, example: 06.0 or 06",
|
|
.print = print_pci_devfn,
|
|
.get = qdev_propinfo_get_int32,
|
|
.set = set_pci_devfn,
|
|
.set_default_value = qdev_propinfo_set_default_value_int,
|
|
};
|
|
|
|
/* --- pci host address --- */
|
|
|
|
static void get_pci_host_devaddr(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
Property *prop = opaque;
|
|
PCIHostDeviceAddress *addr = qdev_get_prop_ptr(obj, prop);
|
|
char buffer[] = "ffff:ff:ff.f";
|
|
char *p = buffer;
|
|
int rc = 0;
|
|
|
|
/*
|
|
* Catch "invalid" device reference from vfio-pci and allow the
|
|
* default buffer representing the non-existent device to be used.
|
|
*/
|
|
if (~addr->domain || ~addr->bus || ~addr->slot || ~addr->function) {
|
|
rc = snprintf(buffer, sizeof(buffer), "%04x:%02x:%02x.%0d",
|
|
addr->domain, addr->bus, addr->slot, addr->function);
|
|
assert(rc == sizeof(buffer) - 1);
|
|
}
|
|
|
|
visit_type_str(v, name, &p, errp);
|
|
}
|
|
|
|
/*
|
|
* Parse [<domain>:]<bus>:<slot>.<func>
|
|
* if <domain> is not supplied, it's assumed to be 0.
|
|
*/
|
|
static void set_pci_host_devaddr(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
DeviceState *dev = DEVICE(obj);
|
|
Property *prop = opaque;
|
|
PCIHostDeviceAddress *addr = qdev_get_prop_ptr(obj, prop);
|
|
char *str, *p;
|
|
char *e;
|
|
unsigned long val;
|
|
unsigned long dom = 0, bus = 0;
|
|
unsigned int slot = 0, func = 0;
|
|
|
|
if (dev->realized) {
|
|
qdev_prop_set_after_realize(dev, name, errp);
|
|
return;
|
|
}
|
|
|
|
if (!visit_type_str(v, name, &str, errp)) {
|
|
return;
|
|
}
|
|
|
|
p = str;
|
|
val = strtoul(p, &e, 16);
|
|
if (e == p || *e != ':') {
|
|
goto inval;
|
|
}
|
|
bus = val;
|
|
|
|
p = e + 1;
|
|
val = strtoul(p, &e, 16);
|
|
if (e == p) {
|
|
goto inval;
|
|
}
|
|
if (*e == ':') {
|
|
dom = bus;
|
|
bus = val;
|
|
p = e + 1;
|
|
val = strtoul(p, &e, 16);
|
|
if (e == p) {
|
|
goto inval;
|
|
}
|
|
}
|
|
slot = val;
|
|
|
|
if (*e != '.') {
|
|
goto inval;
|
|
}
|
|
p = e + 1;
|
|
val = strtoul(p, &e, 10);
|
|
if (e == p) {
|
|
goto inval;
|
|
}
|
|
func = val;
|
|
|
|
if (dom > 0xffff || bus > 0xff || slot > 0x1f || func > 7) {
|
|
goto inval;
|
|
}
|
|
|
|
if (*e) {
|
|
goto inval;
|
|
}
|
|
|
|
addr->domain = dom;
|
|
addr->bus = bus;
|
|
addr->slot = slot;
|
|
addr->function = func;
|
|
|
|
g_free(str);
|
|
return;
|
|
|
|
inval:
|
|
error_set_from_qdev_prop_error(errp, EINVAL, obj, name, str);
|
|
g_free(str);
|
|
}
|
|
|
|
const PropertyInfo qdev_prop_pci_host_devaddr = {
|
|
.name = "str",
|
|
.description = "Address (bus/device/function) of "
|
|
"the host device, example: 04:10.0",
|
|
.get = get_pci_host_devaddr,
|
|
.set = set_pci_host_devaddr,
|
|
};
|
|
|
|
/* --- OffAutoPCIBAR off/auto/bar0/bar1/bar2/bar3/bar4/bar5 --- */
|
|
|
|
const PropertyInfo qdev_prop_off_auto_pcibar = {
|
|
.name = "OffAutoPCIBAR",
|
|
.description = "off/auto/bar0/bar1/bar2/bar3/bar4/bar5",
|
|
.enum_table = &OffAutoPCIBAR_lookup,
|
|
.get = qdev_propinfo_get_enum,
|
|
.set = qdev_propinfo_set_enum,
|
|
.set_default_value = qdev_propinfo_set_default_value_enum,
|
|
};
|
|
|
|
/* --- PCIELinkSpeed 2_5/5/8/16 -- */
|
|
|
|
static void get_prop_pcielinkspeed(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
Property *prop = opaque;
|
|
PCIExpLinkSpeed *p = qdev_get_prop_ptr(obj, prop);
|
|
int speed;
|
|
|
|
switch (*p) {
|
|
case QEMU_PCI_EXP_LNK_2_5GT:
|
|
speed = PCIE_LINK_SPEED_2_5;
|
|
break;
|
|
case QEMU_PCI_EXP_LNK_5GT:
|
|
speed = PCIE_LINK_SPEED_5;
|
|
break;
|
|
case QEMU_PCI_EXP_LNK_8GT:
|
|
speed = PCIE_LINK_SPEED_8;
|
|
break;
|
|
case QEMU_PCI_EXP_LNK_16GT:
|
|
speed = PCIE_LINK_SPEED_16;
|
|
break;
|
|
default:
|
|
/* Unreachable */
|
|
abort();
|
|
}
|
|
|
|
visit_type_enum(v, name, &speed, prop->info->enum_table, errp);
|
|
}
|
|
|
|
static void set_prop_pcielinkspeed(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
DeviceState *dev = DEVICE(obj);
|
|
Property *prop = opaque;
|
|
PCIExpLinkSpeed *p = qdev_get_prop_ptr(obj, prop);
|
|
int speed;
|
|
|
|
if (dev->realized) {
|
|
qdev_prop_set_after_realize(dev, name, errp);
|
|
return;
|
|
}
|
|
|
|
if (!visit_type_enum(v, name, &speed, prop->info->enum_table,
|
|
errp)) {
|
|
return;
|
|
}
|
|
|
|
switch (speed) {
|
|
case PCIE_LINK_SPEED_2_5:
|
|
*p = QEMU_PCI_EXP_LNK_2_5GT;
|
|
break;
|
|
case PCIE_LINK_SPEED_5:
|
|
*p = QEMU_PCI_EXP_LNK_5GT;
|
|
break;
|
|
case PCIE_LINK_SPEED_8:
|
|
*p = QEMU_PCI_EXP_LNK_8GT;
|
|
break;
|
|
case PCIE_LINK_SPEED_16:
|
|
*p = QEMU_PCI_EXP_LNK_16GT;
|
|
break;
|
|
default:
|
|
/* Unreachable */
|
|
abort();
|
|
}
|
|
}
|
|
|
|
const PropertyInfo qdev_prop_pcie_link_speed = {
|
|
.name = "PCIELinkSpeed",
|
|
.description = "2_5/5/8/16",
|
|
.enum_table = &PCIELinkSpeed_lookup,
|
|
.get = get_prop_pcielinkspeed,
|
|
.set = set_prop_pcielinkspeed,
|
|
.set_default_value = qdev_propinfo_set_default_value_enum,
|
|
};
|
|
|
|
/* --- PCIELinkWidth 1/2/4/8/12/16/32 -- */
|
|
|
|
static void get_prop_pcielinkwidth(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
Property *prop = opaque;
|
|
PCIExpLinkWidth *p = qdev_get_prop_ptr(obj, prop);
|
|
int width;
|
|
|
|
switch (*p) {
|
|
case QEMU_PCI_EXP_LNK_X1:
|
|
width = PCIE_LINK_WIDTH_1;
|
|
break;
|
|
case QEMU_PCI_EXP_LNK_X2:
|
|
width = PCIE_LINK_WIDTH_2;
|
|
break;
|
|
case QEMU_PCI_EXP_LNK_X4:
|
|
width = PCIE_LINK_WIDTH_4;
|
|
break;
|
|
case QEMU_PCI_EXP_LNK_X8:
|
|
width = PCIE_LINK_WIDTH_8;
|
|
break;
|
|
case QEMU_PCI_EXP_LNK_X12:
|
|
width = PCIE_LINK_WIDTH_12;
|
|
break;
|
|
case QEMU_PCI_EXP_LNK_X16:
|
|
width = PCIE_LINK_WIDTH_16;
|
|
break;
|
|
case QEMU_PCI_EXP_LNK_X32:
|
|
width = PCIE_LINK_WIDTH_32;
|
|
break;
|
|
default:
|
|
/* Unreachable */
|
|
abort();
|
|
}
|
|
|
|
visit_type_enum(v, name, &width, prop->info->enum_table, errp);
|
|
}
|
|
|
|
static void set_prop_pcielinkwidth(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
DeviceState *dev = DEVICE(obj);
|
|
Property *prop = opaque;
|
|
PCIExpLinkWidth *p = qdev_get_prop_ptr(obj, prop);
|
|
int width;
|
|
|
|
if (dev->realized) {
|
|
qdev_prop_set_after_realize(dev, name, errp);
|
|
return;
|
|
}
|
|
|
|
if (!visit_type_enum(v, name, &width, prop->info->enum_table,
|
|
errp)) {
|
|
return;
|
|
}
|
|
|
|
switch (width) {
|
|
case PCIE_LINK_WIDTH_1:
|
|
*p = QEMU_PCI_EXP_LNK_X1;
|
|
break;
|
|
case PCIE_LINK_WIDTH_2:
|
|
*p = QEMU_PCI_EXP_LNK_X2;
|
|
break;
|
|
case PCIE_LINK_WIDTH_4:
|
|
*p = QEMU_PCI_EXP_LNK_X4;
|
|
break;
|
|
case PCIE_LINK_WIDTH_8:
|
|
*p = QEMU_PCI_EXP_LNK_X8;
|
|
break;
|
|
case PCIE_LINK_WIDTH_12:
|
|
*p = QEMU_PCI_EXP_LNK_X12;
|
|
break;
|
|
case PCIE_LINK_WIDTH_16:
|
|
*p = QEMU_PCI_EXP_LNK_X16;
|
|
break;
|
|
case PCIE_LINK_WIDTH_32:
|
|
*p = QEMU_PCI_EXP_LNK_X32;
|
|
break;
|
|
default:
|
|
/* Unreachable */
|
|
abort();
|
|
}
|
|
}
|
|
|
|
const PropertyInfo qdev_prop_pcie_link_width = {
|
|
.name = "PCIELinkWidth",
|
|
.description = "1/2/4/8/12/16/32",
|
|
.enum_table = &PCIELinkWidth_lookup,
|
|
.get = get_prop_pcielinkwidth,
|
|
.set = set_prop_pcielinkwidth,
|
|
.set_default_value = qdev_propinfo_set_default_value_enum,
|
|
};
|
|
|
|
/* --- UUID --- */
|
|
|
|
static void get_uuid(Object *obj, Visitor *v, const char *name, void *opaque,
|
|
Error **errp)
|
|
{
|
|
Property *prop = opaque;
|
|
QemuUUID *uuid = qdev_get_prop_ptr(obj, prop);
|
|
char buffer[UUID_FMT_LEN + 1];
|
|
char *p = buffer;
|
|
|
|
qemu_uuid_unparse(uuid, buffer);
|
|
|
|
visit_type_str(v, name, &p, errp);
|
|
}
|
|
|
|
#define UUID_VALUE_AUTO "auto"
|
|
|
|
static void set_uuid(Object *obj, Visitor *v, const char *name, void *opaque,
|
|
Error **errp)
|
|
{
|
|
DeviceState *dev = DEVICE(obj);
|
|
Property *prop = opaque;
|
|
QemuUUID *uuid = qdev_get_prop_ptr(obj, prop);
|
|
char *str;
|
|
|
|
if (dev->realized) {
|
|
qdev_prop_set_after_realize(dev, name, errp);
|
|
return;
|
|
}
|
|
|
|
if (!visit_type_str(v, name, &str, errp)) {
|
|
return;
|
|
}
|
|
|
|
if (!strcmp(str, UUID_VALUE_AUTO)) {
|
|
qemu_uuid_generate(uuid);
|
|
} else if (qemu_uuid_parse(str, uuid) < 0) {
|
|
error_set_from_qdev_prop_error(errp, EINVAL, obj, name, str);
|
|
}
|
|
g_free(str);
|
|
}
|
|
|
|
static void set_default_uuid_auto(ObjectProperty *op, const Property *prop)
|
|
{
|
|
object_property_set_default_str(op, UUID_VALUE_AUTO);
|
|
}
|
|
|
|
const PropertyInfo qdev_prop_uuid = {
|
|
.name = "str",
|
|
.description = "UUID (aka GUID) or \"" UUID_VALUE_AUTO
|
|
"\" for random value (default)",
|
|
.get = get_uuid,
|
|
.set = set_uuid,
|
|
.set_default_value = set_default_uuid_auto,
|
|
};
|