[libvirt] [PATCHv5 2/5] Add GVirConfigDomainHostdev

Christophe Fergeau cfergeau at redhat.com
Mon Jul 18 14:54:09 UTC 2016


Please add a gconfig: prefix to the subject line.

Acked-by: Christophe Fergeau <cfergeau at redhat.com>

Christophe

On Wed, Jul 06, 2016 at 10:45:52PM +0100, Zeeshan Ali (Khattak) wrote:
> Add API to read and write domain/devices/hostdev nodes. This patch only
> adds the baseclass and hence is not useful on it's own. A more specific
> subclass to represent PCI devices will be added in a following patch.
> ---
>  libvirt-gconfig/Makefile.am                        |   2 +
>  .../libvirt-gconfig-domain-device-private.h        |   3 +
>  libvirt-gconfig/libvirt-gconfig-domain-device.c    |   2 +-
>  libvirt-gconfig/libvirt-gconfig-domain-hostdev.c   | 190 +++++++++++++++++++++
>  libvirt-gconfig/libvirt-gconfig-domain-hostdev.h   |  76 +++++++++
>  libvirt-gconfig/libvirt-gconfig.h                  |   1 +
>  libvirt-gconfig/libvirt-gconfig.sym                |  10 ++
>  7 files changed, 283 insertions(+), 1 deletion(-)
>  create mode 100644 libvirt-gconfig/libvirt-gconfig-domain-hostdev.c
>  create mode 100644 libvirt-gconfig/libvirt-gconfig-domain-hostdev.h
> 
> diff --git a/libvirt-gconfig/Makefile.am b/libvirt-gconfig/Makefile.am
> index f308539..a7c6c4e 100644
> --- a/libvirt-gconfig/Makefile.am
> +++ b/libvirt-gconfig/Makefile.am
> @@ -50,6 +50,7 @@ GCONFIG_HEADER_FILES = \
>  			libvirt-gconfig-domain-graphics-sdl.h \
>  			libvirt-gconfig-domain-graphics-spice.h \
>  			libvirt-gconfig-domain-graphics-vnc.h \
> +			libvirt-gconfig-domain-hostdev.h \
>  			libvirt-gconfig-domain-input.h \
>  			libvirt-gconfig-domain-interface.h \
>  			libvirt-gconfig-domain-interface-bridge.h \
> @@ -141,6 +142,7 @@ GCONFIG_SOURCE_FILES = \
>  			libvirt-gconfig-domain-graphics-sdl.c \
>  			libvirt-gconfig-domain-graphics-spice.c \
>  			libvirt-gconfig-domain-graphics-vnc.c \
> +			libvirt-gconfig-domain-hostdev.c \
>  			libvirt-gconfig-domain-input.c \
>  			libvirt-gconfig-domain-interface.c \
>  			libvirt-gconfig-domain-interface-bridge.c \
> diff --git a/libvirt-gconfig/libvirt-gconfig-domain-device-private.h b/libvirt-gconfig/libvirt-gconfig-domain-device-private.h
> index 062c0e2..c45e1df 100644
> --- a/libvirt-gconfig/libvirt-gconfig-domain-device-private.h
> +++ b/libvirt-gconfig/libvirt-gconfig-domain-device-private.h
> @@ -43,6 +43,9 @@ GVirConfigDomainDevice *
>  gvir_config_domain_graphics_new_from_tree(GVirConfigXmlDoc *doc,
>                                            xmlNodePtr tree);
>  GVirConfigDomainDevice *
> +gvir_config_domain_hostdev_new_from_tree(GVirConfigXmlDoc *doc,
> +                                         xmlNodePtr tree);
> +GVirConfigDomainDevice *
>  gvir_config_domain_interface_new_from_tree(GVirConfigXmlDoc *doc,
>                                             xmlNodePtr tree);
>  GVirConfigDomainDevice *
> diff --git a/libvirt-gconfig/libvirt-gconfig-domain-device.c b/libvirt-gconfig/libvirt-gconfig-domain-device.c
> index 3d2b9b3..8a75cea 100644
> --- a/libvirt-gconfig/libvirt-gconfig-domain-device.c
> +++ b/libvirt-gconfig/libvirt-gconfig-domain-device.c
> @@ -66,7 +66,7 @@ gvir_config_domain_device_new_from_tree(GVirConfigXmlDoc *doc,
>      } else if (xmlStrEqual(tree->name, (xmlChar*)"lease")) {
>          goto unimplemented;
>      } else if (xmlStrEqual(tree->name, (xmlChar*)"hostdev")) {
> -        goto unimplemented;
> +        return gvir_config_domain_hostdev_new_from_tree(doc, tree);
>      } else if (xmlStrEqual(tree->name, (xmlChar*)"redirdev")) {
>          type = GVIR_CONFIG_TYPE_DOMAIN_REDIRDEV;
>      } else if (xmlStrEqual(tree->name, (xmlChar*)"smartcard")) {
> diff --git a/libvirt-gconfig/libvirt-gconfig-domain-hostdev.c b/libvirt-gconfig/libvirt-gconfig-domain-hostdev.c
> new file mode 100644
> index 0000000..ce5f8aa
> --- /dev/null
> +++ b/libvirt-gconfig/libvirt-gconfig-domain-hostdev.c
> @@ -0,0 +1,190 @@
> +/*
> + * libvirt-gconfig-domain-hostdev.c: libvirt domain hostdev configuration
> + *
> + * Copyright (C) 2016 Red Hat, Inc.
> + *
> + * This library is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU Lesser General Public
> + * License as published by the Free Software Foundation; either
> + * version 2.1 of the License, or (at your option) any later version.
> + *
> + * This library is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> + * Lesser General Public License for more details.
> + *
> + * You should have received a copy of the GNU Lesser General Public
> + * License along with this library. If not, see
> + * <http://www.gnu.org/licenses/>.
> + *
> + * Authors: Zeeshan Ali (Khattak) <zeeshanak at gnome.org>
> + *          Christophe Fergeau <cfergeau at redhat.com>
> + */
> +
> +#include <config.h>
> +
> +#include "libvirt-gconfig/libvirt-gconfig.h"
> +#include "libvirt-gconfig/libvirt-gconfig-private.h"
> +
> +#define GVIR_CONFIG_DOMAIN_HOSTDEV_GET_PRIVATE(obj)                         \
> +        (G_TYPE_INSTANCE_GET_PRIVATE((obj), GVIR_CONFIG_TYPE_DOMAIN_HOSTDEV, GVirConfigDomainHostdevPrivate))
> +
> +struct _GVirConfigDomainHostdevPrivate
> +{
> +    gboolean unused;
> +};
> +
> +G_DEFINE_ABSTRACT_TYPE(GVirConfigDomainHostdev, gvir_config_domain_hostdev, GVIR_CONFIG_TYPE_DOMAIN_DEVICE);
> +
> +
> +static void gvir_config_domain_hostdev_class_init(GVirConfigDomainHostdevClass *klass)
> +{
> +    g_type_class_add_private(klass, sizeof(GVirConfigDomainHostdevPrivate));
> +}
> +
> +
> +static void gvir_config_domain_hostdev_init(GVirConfigDomainHostdev *hostdev)
> +{
> +    hostdev->priv = GVIR_CONFIG_DOMAIN_HOSTDEV_GET_PRIVATE(hostdev);
> +}
> +
> +G_GNUC_INTERNAL GVirConfigDomainDevice *
> +gvir_config_domain_hostdev_new_from_tree(GVirConfigXmlDoc *doc,
> +                                         xmlNodePtr tree)
> +{
> +    const char *type;
> +    GType gtype;
> +
> +    type = gvir_config_xml_get_attribute_content(tree, "type");
> +    if (type == NULL)
> +        return NULL;
> +
> +    if (g_str_equal(type, "usb")) {
> +        goto unimplemented;
> +    } else if (g_str_equal(type, "pci")) {
> +        goto unimplemented;
> +    } else if (g_str_equal(type, "scsi")) {
> +        goto unimplemented;
> +    } else {
> +        g_debug("Unknown domain hostdev node: %s", type);
> +        return NULL;
> +    }
> +
> +    return GVIR_CONFIG_DOMAIN_DEVICE(gvir_config_object_new_from_tree(gtype, doc, NULL, tree));
> +
> +unimplemented:
> +    g_debug("Parsing of '%s' domain hostdev nodes is unimplemented", type);
> +    return NULL;
> +}
> +
> +/**
> + * gvir_config_domain_hostdev_set_boot_order:
> + * @hostdev: the host device
> + * @order: the boot order
> + *
> + * If a positive integer is passed as @order, @hostdev is marked bootable and
> + * boot order set to @order, otherwise @hostdev is marked to be unbootable.
> + */
> +void gvir_config_domain_hostdev_set_boot_order(GVirConfigDomainHostdev *hostdev,
> +                                               gint order)
> +{
> +    g_return_if_fail(GVIR_CONFIG_IS_DOMAIN_HOSTDEV(hostdev));
> +
> +    if (order >= 0) {
> +        char *order_str = g_strdup_printf("%u", order);
> +
> +        gvir_config_object_replace_child_with_attribute(GVIR_CONFIG_OBJECT(hostdev),
> +                                                        "boot",
> +                                                        "order",
> +                                                        order_str);
> +        g_free(order_str);
> +    } else {
> +        gvir_config_object_delete_child(GVIR_CONFIG_OBJECT(hostdev),
> +                                        "boot",
> +                                        NULL);
> +    }
> +}
> +
> +/**
> + * gvir_config_domain_hostdev_get_boot_order:
> + * @hostdev: the host device
> + *
> + * Returns: The boot order if @hostdev is bootable, otherwise a negative integer.
> + */
> +gint gvir_config_domain_hostdev_get_boot_order(GVirConfigDomainHostdev *hostdev)
> +{
> +    return gvir_config_object_get_attribute_uint64(GVIR_CONFIG_OBJECT(hostdev),
> +                                                   "boot", "order", -1);
> +}
> +
> +/**
> + * gvir_config_domain_hostdev_set_readonly:
> + * @hostdev: the host device
> + * @readonly: the new readonly status
> + *
> + * Set the readonly status of @hostdev to @readonly.
> + */
> +void gvir_config_domain_hostdev_set_readonly(GVirConfigDomainHostdev *hostdev,
> +                                             gboolean readonly)
> +{
> +    g_return_if_fail(GVIR_CONFIG_IS_DOMAIN_HOSTDEV(hostdev));
> +
> +    if (readonly) {
> +        GVirConfigObject *node;
> +
> +        node = gvir_config_object_replace_child(GVIR_CONFIG_OBJECT(hostdev),
> +                                                "readonly");
> +        g_object_unref(node);
> +    } else {
> +        gvir_config_object_delete_child(GVIR_CONFIG_OBJECT(hostdev),
> +                                        "readonly", NULL);
> +    }
> +}
> +
> +/**
> + * gvir_config_domain_hostdev_get_readonly:
> + * @hostdev: the host device
> + *
> + * Returns: %TRUE if @hostdev is readonly, %FALSE otherwise.
> + */
> +gboolean gvir_config_domain_hostdev_get_readonly(GVirConfigDomainHostdev *hostdev)
> +{
> +    return gvir_config_object_has_child(GVIR_CONFIG_OBJECT(hostdev),
> +                                        "readonly");
> +}
> +
> +/**
> + * gvir_config_domain_hostdev_set_shareable:
> + * @hostdev: the host device
> + * @shareable: the new shareable status
> + *
> + * Set whether or not @hostdev is shared between domains.
> + */
> +void gvir_config_domain_hostdev_set_shareable(GVirConfigDomainHostdev *hostdev,
> +                                              gboolean shareable)
> +{
> +    g_return_if_fail(GVIR_CONFIG_IS_DOMAIN_HOSTDEV(hostdev));
> +
> +    if (shareable) {
> +        GVirConfigObject *node;
> +
> +        node = gvir_config_object_replace_child(GVIR_CONFIG_OBJECT(hostdev),
> +                                                "shareable");
> +        g_object_unref(node);
> +    } else {
> +        gvir_config_object_delete_child(GVIR_CONFIG_OBJECT(hostdev),
> +                                        "shareable", NULL);
> +    }
> +}
> +
> +/**
> + * gvir_config_domain_hostdev_get_shareable:
> + * @hostdev: the host device
> + *
> + * Returns: %TRUE if @hostdev is shared between domains, %FALSE otherwise.
> + */
> +gboolean gvir_config_domain_hostdev_get_shareable(GVirConfigDomainHostdev *hostdev)
> +{
> +    return gvir_config_object_has_child(GVIR_CONFIG_OBJECT(hostdev),
> +                                        "shareable");
> +}
> diff --git a/libvirt-gconfig/libvirt-gconfig-domain-hostdev.h b/libvirt-gconfig/libvirt-gconfig-domain-hostdev.h
> new file mode 100644
> index 0000000..1372552
> --- /dev/null
> +++ b/libvirt-gconfig/libvirt-gconfig-domain-hostdev.h
> @@ -0,0 +1,76 @@
> +/*
> + * libvirt-gconfig-domain-hostdev.h: libvirt domain hostdev configuration
> + *
> + * Copyright (C) 2016 Red Hat, Inc.
> + *
> + * This library is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU Lesser General Public
> + * License as published by the Free Software Foundation; either
> + * version 2.1 of the License, or (at your option) any later version.
> + *
> + * This library is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> + * Lesser General Public License for more details.
> + *
> + * You should have received a copy of the GNU Lesser General Public
> + * License along with this library. If not, see
> + * <http://www.gnu.org/licenses/>.
> + *
> + * Authors: Zeeshan Ali (Khattak) <zeeshanak at gnome.org>
> + *          Christophe Fergeau <cfergeau at redhat.com>
> + */
> +
> +#if !defined(__LIBVIRT_GCONFIG_H__) && !defined(LIBVIRT_GCONFIG_BUILD)
> +#error "Only <libvirt-gconfig/libvirt-gconfig.h> can be included directly."
> +#endif
> +
> +#ifndef __LIBVIRT_GCONFIG_DOMAIN_HOSTDEV_H__
> +#define __LIBVIRT_GCONFIG_DOMAIN_HOSTDEV_H__
> +
> +G_BEGIN_DECLS
> +
> +#define GVIR_CONFIG_TYPE_DOMAIN_HOSTDEV            (gvir_config_domain_hostdev_get_type ())
> +#define GVIR_CONFIG_DOMAIN_HOSTDEV(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GVIR_CONFIG_TYPE_DOMAIN_HOSTDEV, GVirConfigDomainHostdev))
> +#define GVIR_CONFIG_DOMAIN_HOSTDEV_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GVIR_CONFIG_TYPE_DOMAIN_HOSTDEV, GVirConfigDomainHostdevClass))
> +#define GVIR_CONFIG_IS_DOMAIN_HOSTDEV(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GVIR_CONFIG_TYPE_DOMAIN_HOSTDEV))
> +#define GVIR_CONFIG_IS_DOMAIN_HOSTDEV_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GVIR_CONFIG_TYPE_DOMAIN_HOSTDEV))
> +#define GVIR_CONFIG_DOMAIN_HOSTDEV_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GVIR_CONFIG_TYPE_DOMAIN_HOSTDEV, GVirConfigDomainHostdevClass))
> +
> +typedef struct _GVirConfigDomainHostdev GVirConfigDomainHostdev;
> +typedef struct _GVirConfigDomainHostdevPrivate GVirConfigDomainHostdevPrivate;
> +typedef struct _GVirConfigDomainHostdevClass GVirConfigDomainHostdevClass;
> +
> +struct _GVirConfigDomainHostdev
> +{
> +    GVirConfigDomainDevice parent;
> +
> +    GVirConfigDomainHostdevPrivate *priv;
> +
> +    /* Do not add fields to this struct */
> +};
> +
> +struct _GVirConfigDomainHostdevClass
> +{
> +    GVirConfigDomainDeviceClass parent_class;
> +
> +    gpointer padding[20];
> +};
> +
> +GType gvir_config_domain_hostdev_get_type(void);
> +
> +void gvir_config_domain_hostdev_set_boot_order(GVirConfigDomainHostdev *hostdev,
> +                                               gint order);
> +gint gvir_config_domain_hostdev_get_boot_order(GVirConfigDomainHostdev *hostdev);
> +
> +void gvir_config_domain_hostdev_set_readonly(GVirConfigDomainHostdev *hostdev,
> +                                             gboolean readonly);
> +gboolean gvir_config_domain_hostdev_get_readonly(GVirConfigDomainHostdev *hostdev);
> +
> +void gvir_config_domain_hostdev_set_shareable(GVirConfigDomainHostdev *hostdev,
> +                                              gboolean shareable);
> +gboolean gvir_config_domain_hostdev_get_shareable(GVirConfigDomainHostdev *hostdev);
> +
> +G_END_DECLS
> +
> +#endif /* __LIBVIRT_GCONFIG_DOMAIN_HOSTDEV_H__ */
> diff --git a/libvirt-gconfig/libvirt-gconfig.h b/libvirt-gconfig/libvirt-gconfig.h
> index 4624003..cfa9dd3 100644
> --- a/libvirt-gconfig/libvirt-gconfig.h
> +++ b/libvirt-gconfig/libvirt-gconfig.h
> @@ -67,6 +67,7 @@
>  #include <libvirt-gconfig/libvirt-gconfig-domain-graphics-sdl.h>
>  #include <libvirt-gconfig/libvirt-gconfig-domain-graphics-spice.h>
>  #include <libvirt-gconfig/libvirt-gconfig-domain-graphics-vnc.h>
> +#include <libvirt-gconfig/libvirt-gconfig-domain-hostdev.h>
>  #include <libvirt-gconfig/libvirt-gconfig-domain-input.h>
>  #include <libvirt-gconfig/libvirt-gconfig-domain-interface.h>
>  #include <libvirt-gconfig/libvirt-gconfig-domain-interface-bridge.h>
> diff --git a/libvirt-gconfig/libvirt-gconfig.sym b/libvirt-gconfig/libvirt-gconfig.sym
> index f11f97a..1cfc6eb 100644
> --- a/libvirt-gconfig/libvirt-gconfig.sym
> +++ b/libvirt-gconfig/libvirt-gconfig.sym
> @@ -734,7 +734,17 @@ global:
>  } LIBVIRT_GCONFIG_0.2.1;
>  
>  LIBVIRT_GCONFIG_0.2.4 {
> +global:
>  	gvir_config_domain_graphics_spice_set_gl;
> +
> +	gvir_config_domain_hostdev_get_boot_order;
> +	gvir_config_domain_hostdev_get_readonly;
> +	gvir_config_domain_hostdev_get_shareable;
> +	gvir_config_domain_hostdev_get_type;
> +	gvir_config_domain_hostdev_set_boot_order;
> +	gvir_config_domain_hostdev_set_readonly;
> +	gvir_config_domain_hostdev_set_shareable;
> +
>  	gvir_config_domain_video_set_accel3d;
>  } LIBVIRT_GCONFIG_0.2.2;
>  
> -- 
> 2.7.4
> 
> --
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> libvir-list at redhat.com
> https://www.redhat.com/mailman/listinfo/libvir-list
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