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Re: [Qemu-devel] [PATCH v8 2/4] vhost-user-blk: introduce a new vhost-us
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From: |
Marc-André Lureau |
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Subject: |
Re: [Qemu-devel] [PATCH v8 2/4] vhost-user-blk: introduce a new vhost-user-blk host device |
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Date: |
Tue, 2 Jan 2018 16:21:59 +0100 |
On Tue, Jan 2, 2018 at 4:55 AM, Changpeng Liu <address@hidden> wrote:
> This commit introduces a new vhost-user device for block, it uses a
> chardev to connect with the backend, same with Qemu virito-blk device,
> Guest OS still uses the virtio-blk frontend driver.
>
> To use it, start QEMU with command line like this:
>
> qemu-system-x86_64 \
> -chardev socket,id=char0,path=/path/vhost.socket \
> -device vhost-user-blk-pci,chardev=char0,num-queues=2, \
> bootindex=2... \
>
> Users can use different parameters for `num-queues` and `bootindex`.
>
> Different with exist Qemu virtio-blk host device, it makes more easy
> for users to implement their own I/O processing logic, such as all
> user space I/O stack against hardware block device. It uses the new
> vhost messages(VHOST_USER_GET_CONFIG) to get block virtio config
> information from backend process.
>
> Signed-off-by: Changpeng Liu <address@hidden>
Reviewed-by: Marc-André Lureau <address@hidden>
> ---
> default-configs/pci.mak | 1 +
> hw/block/Makefile.objs | 3 +
> hw/block/vhost-user-blk.c | 359
> +++++++++++++++++++++++++++++++++++++
> hw/virtio/virtio-pci.c | 55 ++++++
> hw/virtio/virtio-pci.h | 18 ++
> include/hw/virtio/vhost-user-blk.h | 41 +++++
> 6 files changed, 477 insertions(+)
> create mode 100644 hw/block/vhost-user-blk.c
> create mode 100644 include/hw/virtio/vhost-user-blk.h
>
> diff --git a/default-configs/pci.mak b/default-configs/pci.mak
> index e514bde..49a0f28 100644
> --- a/default-configs/pci.mak
> +++ b/default-configs/pci.mak
> @@ -43,3 +43,4 @@ CONFIG_VGA_PCI=y
> CONFIG_IVSHMEM_DEVICE=$(CONFIG_IVSHMEM)
> CONFIG_ROCKER=y
> CONFIG_VHOST_USER_SCSI=$(call land,$(CONFIG_VHOST_USER),$(CONFIG_LINUX))
> +CONFIG_VHOST_USER_BLK=$(call land,$(CONFIG_VHOST_USER),$(CONFIG_LINUX))
> diff --git a/hw/block/Makefile.objs b/hw/block/Makefile.objs
> index e0ed980..4c19a58 100644
> --- a/hw/block/Makefile.objs
> +++ b/hw/block/Makefile.objs
> @@ -13,3 +13,6 @@ obj-$(CONFIG_SH4) += tc58128.o
>
> obj-$(CONFIG_VIRTIO) += virtio-blk.o
> obj-$(CONFIG_VIRTIO) += dataplane/
> +ifeq ($(CONFIG_VIRTIO),y)
> +obj-$(CONFIG_VHOST_USER_BLK) += vhost-user-blk.o
> +endif
> diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c
> new file mode 100644
> index 0000000..b53b4c9
> --- /dev/null
> +++ b/hw/block/vhost-user-blk.c
> @@ -0,0 +1,359 @@
> +/*
> + * vhost-user-blk host device
> + *
> + * Copyright(C) 2017 Intel Corporation.
> + *
> + * Authors:
> + * Changpeng Liu <address@hidden>
> + *
> + * Largely based on the "vhost-user-scsi.c" and "vhost-scsi.c" implemented
> by:
> + * Felipe Franciosi <address@hidden>
> + * Stefan Hajnoczi <address@hidden>
> + * Nicholas Bellinger <address@hidden>
> + *
> + * This work is licensed under the terms of the GNU LGPL, version 2 or later.
> + * See the COPYING.LIB file in the top-level directory.
> + *
> + */
> +
> +#include "qemu/osdep.h"
> +#include "qapi/error.h"
> +#include "qemu/error-report.h"
> +#include "qemu/typedefs.h"
> +#include "qemu/cutils.h"
> +#include "qom/object.h"
> +#include "hw/qdev-core.h"
> +#include "hw/virtio/vhost.h"
> +#include "hw/virtio/vhost-user-blk.h"
> +#include "hw/virtio/virtio.h"
> +#include "hw/virtio/virtio-bus.h"
> +#include "hw/virtio/virtio-access.h"
> +
> +static const int user_feature_bits[] = {
> + VIRTIO_BLK_F_SIZE_MAX,
> + VIRTIO_BLK_F_SEG_MAX,
> + VIRTIO_BLK_F_GEOMETRY,
> + VIRTIO_BLK_F_BLK_SIZE,
> + VIRTIO_BLK_F_TOPOLOGY,
> + VIRTIO_BLK_F_MQ,
> + VIRTIO_BLK_F_RO,
> + VIRTIO_BLK_F_FLUSH,
> + VIRTIO_BLK_F_CONFIG_WCE,
> + VIRTIO_F_VERSION_1,
> + VIRTIO_RING_F_INDIRECT_DESC,
> + VIRTIO_RING_F_EVENT_IDX,
> + VIRTIO_F_NOTIFY_ON_EMPTY,
> + VHOST_INVALID_FEATURE_BIT
> +};
> +
> +static void vhost_user_blk_update_config(VirtIODevice *vdev, uint8_t *config)
> +{
> + VHostUserBlk *s = VHOST_USER_BLK(vdev);
> +
> + memcpy(config, &s->blkcfg, sizeof(struct virtio_blk_config));
> +}
> +
> +static void vhost_user_blk_set_config(VirtIODevice *vdev, const uint8_t
> *config)
> +{
> + VHostUserBlk *s = VHOST_USER_BLK(vdev);
> + struct virtio_blk_config *blkcfg = (struct virtio_blk_config *)config;
> + int ret;
> +
> + if (blkcfg->wce == s->blkcfg.wce) {
> + return;
> + }
> +
> + ret = vhost_dev_set_config(&s->dev, &blkcfg->wce,
> + offsetof(struct virtio_blk_config, wce),
> + sizeof(blkcfg->wce),
> + VHOST_SET_CONFIG_TYPE_MASTER);
> + if (ret) {
> + error_report("set device config space failed");
> + return;
> + }
> +
> + s->blkcfg.wce = blkcfg->wce;
> +}
> +
> +static int vhost_user_blk_handle_config_change(struct vhost_dev *dev)
> +{
> + int ret;
> + struct virtio_blk_config blkcfg;
> + VHostUserBlk *s = VHOST_USER_BLK(dev->vdev);
> +
> + ret = vhost_dev_get_config(dev, (uint8_t *)&blkcfg,
> + sizeof(struct virtio_blk_config));
> + if (ret < 0) {
> + error_report("get config space failed");
> + return -1;
> + }
> +
> + /* valid for resize only */
> + if (blkcfg.capacity != s->blkcfg.capacity) {
> + s->blkcfg.capacity = blkcfg.capacity;
> + memcpy(dev->vdev->config, &s->blkcfg, sizeof(struct
> virtio_blk_config));
> + virtio_notify_config(dev->vdev);
> + }
> +
> + return 0;
> +}
> +
> +const VhostDevConfigOps blk_ops = {
> + .vhost_dev_config_notifier = vhost_user_blk_handle_config_change,
> +};
> +
> +static void vhost_user_blk_start(VirtIODevice *vdev)
> +{
> + VHostUserBlk *s = VHOST_USER_BLK(vdev);
> + BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(vdev)));
> + VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus);
> + int i, ret;
> +
> + if (!k->set_guest_notifiers) {
> + error_report("binding does not support guest notifiers");
> + return;
> + }
> +
> + ret = vhost_dev_enable_notifiers(&s->dev, vdev);
> + if (ret < 0) {
> + error_report("Error enabling host notifiers: %d", -ret);
> + return;
> + }
> +
> + ret = k->set_guest_notifiers(qbus->parent, s->dev.nvqs, true);
> + if (ret < 0) {
> + error_report("Error binding guest notifier: %d", -ret);
> + goto err_host_notifiers;
> + }
> +
> + s->dev.acked_features = vdev->guest_features;
> + ret = vhost_dev_start(&s->dev, vdev);
> + if (ret < 0) {
> + error_report("Error starting vhost: %d", -ret);
> + goto err_guest_notifiers;
> + }
> +
> + /* guest_notifier_mask/pending not used yet, so just unmask
> + * everything here. virtio-pci will do the right thing by
> + * enabling/disabling irqfd.
> + */
> + for (i = 0; i < s->dev.nvqs; i++) {
> + vhost_virtqueue_mask(&s->dev, vdev, i, false);
> + }
> +
> + return;
> +
> +err_guest_notifiers:
> + k->set_guest_notifiers(qbus->parent, s->dev.nvqs, false);
> +err_host_notifiers:
> + vhost_dev_disable_notifiers(&s->dev, vdev);
> +}
> +
> +static void vhost_user_blk_stop(VirtIODevice *vdev)
> +{
> + VHostUserBlk *s = VHOST_USER_BLK(vdev);
> + BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(vdev)));
> + VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus);
> + int ret;
> +
> + if (!k->set_guest_notifiers) {
> + return;
> + }
> +
> + vhost_dev_stop(&s->dev, vdev);
> +
> + ret = k->set_guest_notifiers(qbus->parent, s->dev.nvqs, false);
> + if (ret < 0) {
> + error_report("vhost guest notifier cleanup failed: %d", ret);
> + return;
> + }
> +
> + vhost_dev_disable_notifiers(&s->dev, vdev);
> +}
> +
> +static void vhost_user_blk_set_status(VirtIODevice *vdev, uint8_t status)
> +{
> + VHostUserBlk *s = VHOST_USER_BLK(vdev);
> + bool should_start = status & VIRTIO_CONFIG_S_DRIVER_OK;
> +
> + if (!vdev->vm_running) {
> + should_start = false;
> + }
> +
> + if (s->dev.started == should_start) {
> + return;
> + }
> +
> + if (should_start) {
> + vhost_user_blk_start(vdev);
> + } else {
> + vhost_user_blk_stop(vdev);
> + }
> +
> +}
> +
> +static uint64_t vhost_user_blk_get_features(VirtIODevice *vdev,
> + uint64_t features,
> + Error **errp)
> +{
> + VHostUserBlk *s = VHOST_USER_BLK(vdev);
> + uint64_t get_features;
> +
> + /* Turn on pre-defined features */
> + virtio_add_feature(&features, VIRTIO_BLK_F_SEG_MAX);
> + virtio_add_feature(&features, VIRTIO_BLK_F_GEOMETRY);
> + virtio_add_feature(&features, VIRTIO_BLK_F_TOPOLOGY);
> + virtio_add_feature(&features, VIRTIO_BLK_F_BLK_SIZE);
> + virtio_add_feature(&features, VIRTIO_BLK_F_FLUSH);
> +
> + if (s->config_wce) {
> + virtio_add_feature(&features, VIRTIO_BLK_F_CONFIG_WCE);
> + }
> + if (s->config_ro) {
> + virtio_add_feature(&features, VIRTIO_BLK_F_RO);
> + }
> + if (s->num_queues > 1) {
> + virtio_add_feature(&features, VIRTIO_BLK_F_MQ);
> + }
> +
> + get_features = vhost_get_features(&s->dev, user_feature_bits, features);
> +
> + return get_features;
> +}
> +
> +static void vhost_user_blk_handle_output(VirtIODevice *vdev, VirtQueue *vq)
> +{
> +
> +}
> +
> +static void vhost_user_blk_device_realize(DeviceState *dev, Error **errp)
> +{
> + VirtIODevice *vdev = VIRTIO_DEVICE(dev);
> + VHostUserBlk *s = VHOST_USER_BLK(vdev);
> + int i, ret;
> +
> + if (!s->chardev.chr) {
> + error_setg(errp, "vhost-user-blk: chardev is mandatory");
> + return;
> + }
> +
> + if (!s->num_queues || s->num_queues > VIRTIO_QUEUE_MAX) {
> + error_setg(errp, "vhost-user-blk: invalid number of IO queues");
> + return;
> + }
> +
> + if (!s->queue_size) {
> + error_setg(errp, "vhost-user-blk: queue size must be non-zero");
> + return;
> + }
> +
> + virtio_init(vdev, "virtio-blk", VIRTIO_ID_BLOCK,
> + sizeof(struct virtio_blk_config));
> +
> + for (i = 0; i < s->num_queues; i++) {
> + virtio_add_queue(vdev, s->queue_size,
> + vhost_user_blk_handle_output);
> + }
> +
> + s->dev.nvqs = s->num_queues;
> + s->dev.vqs = g_new(struct vhost_virtqueue, s->dev.nvqs);
> + s->dev.vq_index = 0;
> + s->dev.backend_features = 0;
> +
> + ret = vhost_dev_init(&s->dev, &s->chardev, VHOST_BACKEND_TYPE_USER, 0);
> + if (ret < 0) {
> + error_setg(errp, "vhost-user-blk: vhost initialization failed: %s",
> + strerror(-ret));
> + goto virtio_err;
> + }
> +
> + ret = vhost_dev_get_config(&s->dev, (uint8_t *)&s->blkcfg,
> + sizeof(struct virtio_blk_config));
> + if (ret < 0) {
> + error_setg(errp, "vhost-user-blk: get block config failed");
> + goto vhost_err;
> + }
> +
> + if (s->blkcfg.num_queues != s->num_queues) {
> + s->blkcfg.num_queues = s->num_queues;
> + }
> +
> + vhost_dev_set_config_notifier(&s->dev, &blk_ops);
> +
> + return;
> +
> +vhost_err:
> + vhost_dev_cleanup(&s->dev);
> +virtio_err:
> + g_free(s->dev.vqs);
> + virtio_cleanup(vdev);
> +}
> +
> +static void vhost_user_blk_device_unrealize(DeviceState *dev, Error **errp)
> +{
> + VirtIODevice *vdev = VIRTIO_DEVICE(dev);
> + VHostUserBlk *s = VHOST_USER_BLK(dev);
> +
> + vhost_user_blk_set_status(vdev, 0);
> + vhost_dev_cleanup(&s->dev);
> + g_free(s->dev.vqs);
> + virtio_cleanup(vdev);
> +}
> +
> +static void vhost_user_blk_instance_init(Object *obj)
> +{
> + VHostUserBlk *s = VHOST_USER_BLK(obj);
> +
> + device_add_bootindex_property(obj, &s->bootindex, "bootindex",
> + "/address@hidden,0", DEVICE(obj), NULL);
> +}
> +
> +static const VMStateDescription vmstate_vhost_user_blk = {
> + .name = "vhost-user-blk",
> + .minimum_version_id = 1,
> + .version_id = 1,
> + .fields = (VMStateField[]) {
> + VMSTATE_VIRTIO_DEVICE,
> + VMSTATE_END_OF_LIST()
> + },
> +};
> +
> +static Property vhost_user_blk_properties[] = {
> + DEFINE_PROP_CHR("chardev", VHostUserBlk, chardev),
> + DEFINE_PROP_UINT16("num-queues", VHostUserBlk, num_queues, 1),
> + DEFINE_PROP_UINT32("queue-size", VHostUserBlk, queue_size, 128),
> + DEFINE_PROP_BIT("config-wce", VHostUserBlk, config_wce, 0, true),
> + DEFINE_PROP_BIT("config-ro", VHostUserBlk, config_ro, 0, false),
> + DEFINE_PROP_END_OF_LIST(),
> +};
> +
> +static void vhost_user_blk_class_init(ObjectClass *klass, void *data)
> +{
> + DeviceClass *dc = DEVICE_CLASS(klass);
> + VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
> +
> + dc->props = vhost_user_blk_properties;
> + dc->vmsd = &vmstate_vhost_user_blk;
> + set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
> + vdc->realize = vhost_user_blk_device_realize;
> + vdc->unrealize = vhost_user_blk_device_unrealize;
> + vdc->get_config = vhost_user_blk_update_config;
> + vdc->set_config = vhost_user_blk_set_config;
> + vdc->get_features = vhost_user_blk_get_features;
> + vdc->set_status = vhost_user_blk_set_status;
> +}
> +
> +static const TypeInfo vhost_user_blk_info = {
> + .name = TYPE_VHOST_USER_BLK,
> + .parent = TYPE_VIRTIO_DEVICE,
> + .instance_size = sizeof(VHostUserBlk),
> + .instance_init = vhost_user_blk_instance_init,
> + .class_init = vhost_user_blk_class_init,
> +};
> +
> +static void virtio_register_types(void)
> +{
> + type_register_static(&vhost_user_blk_info);
> +}
> +
> +type_init(virtio_register_types)
> diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
> index e92837c..b5e05d9 100644
> --- a/hw/virtio/virtio-pci.c
> +++ b/hw/virtio/virtio-pci.c
> @@ -1976,6 +1976,58 @@ static const TypeInfo virtio_blk_pci_info = {
> .class_init = virtio_blk_pci_class_init,
> };
>
> +#if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
> +/* vhost-user-blk */
> +
> +static Property vhost_user_blk_pci_properties[] = {
> + DEFINE_PROP_UINT32("class", VirtIOPCIProxy, class_code, 0),
> + DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2),
> + DEFINE_PROP_END_OF_LIST(),
> +};
> +
> +static void vhost_user_blk_pci_realize(VirtIOPCIProxy *vpci_dev, Error
> **errp)
> +{
> + VHostUserBlkPCI *dev = VHOST_USER_BLK_PCI(vpci_dev);
> + DeviceState *vdev = DEVICE(&dev->vdev);
> +
> + qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
> + object_property_set_bool(OBJECT(vdev), true, "realized", errp);
> +}
> +
> +static void vhost_user_blk_pci_class_init(ObjectClass *klass, void *data)
> +{
> + DeviceClass *dc = DEVICE_CLASS(klass);
> + VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
> + PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
> +
> + set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
> + dc->props = vhost_user_blk_pci_properties;
> + k->realize = vhost_user_blk_pci_realize;
> + pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
> + pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_BLOCK;
> + pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
> + pcidev_k->class_id = PCI_CLASS_STORAGE_SCSI;
> +}
> +
> +static void vhost_user_blk_pci_instance_init(Object *obj)
> +{
> + VHostUserBlkPCI *dev = VHOST_USER_BLK_PCI(obj);
> +
> + virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
> + TYPE_VHOST_USER_BLK);
> + object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
> + "bootindex", &error_abort);
> +}
> +
> +static const TypeInfo vhost_user_blk_pci_info = {
> + .name = TYPE_VHOST_USER_BLK_PCI,
> + .parent = TYPE_VIRTIO_PCI,
> + .instance_size = sizeof(VHostUserBlkPCI),
> + .instance_init = vhost_user_blk_pci_instance_init,
> + .class_init = vhost_user_blk_pci_class_init,
> +};
> +#endif
> +
> /* virtio-scsi-pci */
>
> static Property virtio_scsi_pci_properties[] = {
> @@ -2622,6 +2674,9 @@ static void virtio_pci_register_types(void)
> type_register_static(&virtio_9p_pci_info);
> #endif
> type_register_static(&virtio_blk_pci_info);
> +#if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
> + type_register_static(&vhost_user_blk_pci_info);
> +#endif
> type_register_static(&virtio_scsi_pci_info);
> type_register_static(&virtio_balloon_pci_info);
> type_register_static(&virtio_serial_pci_info);
> diff --git a/hw/virtio/virtio-pci.h b/hw/virtio/virtio-pci.h
> index 12d3a90..813082b 100644
> --- a/hw/virtio/virtio-pci.h
> +++ b/hw/virtio/virtio-pci.h
> @@ -27,6 +27,9 @@
> #include "hw/virtio/virtio-gpu.h"
> #include "hw/virtio/virtio-crypto.h"
> #include "hw/virtio/vhost-user-scsi.h"
> +#if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
> +#include "hw/virtio/vhost-user-blk.h"
> +#endif
>
> #ifdef CONFIG_VIRTFS
> #include "hw/9pfs/virtio-9p.h"
> @@ -46,6 +49,7 @@ typedef struct VirtIOSerialPCI VirtIOSerialPCI;
> typedef struct VirtIONetPCI VirtIONetPCI;
> typedef struct VHostSCSIPCI VHostSCSIPCI;
> typedef struct VHostUserSCSIPCI VHostUserSCSIPCI;
> +typedef struct VHostUserBlkPCI VHostUserBlkPCI;
> typedef struct VirtIORngPCI VirtIORngPCI;
> typedef struct VirtIOInputPCI VirtIOInputPCI;
> typedef struct VirtIOInputHIDPCI VirtIOInputHIDPCI;
> @@ -244,6 +248,20 @@ struct VHostUserSCSIPCI {
> VHostUserSCSI vdev;
> };
>
> +#if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
> +/*
> + * vhost-user-blk-pci: This extends VirtioPCIProxy.
> + */
> +#define TYPE_VHOST_USER_BLK_PCI "vhost-user-blk-pci"
> +#define VHOST_USER_BLK_PCI(obj) \
> + OBJECT_CHECK(VHostUserBlkPCI, (obj), TYPE_VHOST_USER_BLK_PCI)
> +
> +struct VHostUserBlkPCI {
> + VirtIOPCIProxy parent_obj;
> + VHostUserBlk vdev;
> +};
> +#endif
> +
> /*
> * virtio-blk-pci: This extends VirtioPCIProxy.
> */
> diff --git a/include/hw/virtio/vhost-user-blk.h
> b/include/hw/virtio/vhost-user-blk.h
> new file mode 100644
> index 0000000..5804cc9
> --- /dev/null
> +++ b/include/hw/virtio/vhost-user-blk.h
> @@ -0,0 +1,41 @@
> +/*
> + * vhost-user-blk host device
> + * Copyright(C) 2017 Intel Corporation.
> + *
> + * Authors:
> + * Changpeng Liu <address@hidden>
> + *
> + * Based on vhost-scsi.h, Copyright IBM, Corp. 2011
> + *
> + * This work is licensed under the terms of the GNU LGPL, version 2 or later.
> + * See the COPYING.LIB file in the top-level directory.
> + *
> + */
> +
> +#ifndef VHOST_USER_BLK_H
> +#define VHOST_USER_BLK_H
> +
> +#include "standard-headers/linux/virtio_blk.h"
> +#include "qemu-common.h"
> +#include "hw/qdev.h"
> +#include "hw/block/block.h"
> +#include "chardev/char-fe.h"
> +#include "hw/virtio/vhost.h"
> +
> +#define TYPE_VHOST_USER_BLK "vhost-user-blk"
> +#define VHOST_USER_BLK(obj) \
> + OBJECT_CHECK(VHostUserBlk, (obj), TYPE_VHOST_USER_BLK)
> +
> +typedef struct VHostUserBlk {
> + VirtIODevice parent_obj;
> + CharBackend chardev;
> + int32_t bootindex;
> + struct virtio_blk_config blkcfg;
> + uint16_t num_queues;
> + uint32_t queue_size;
> + uint32_t config_wce;
> + uint32_t config_ro;
> + struct vhost_dev dev;
> +} VHostUserBlk;
> +
> +#endif
> --
> 1.9.3
>
>
--
Marc-André Lureau