diff options
Diffstat (limited to 'hw/block')
| -rw-r--r-- | hw/block/meson.build | 2 | ||||
| -rw-r--r-- | hw/block/vhost-user-blk.c | 17 |
2 files changed, 11 insertions, 8 deletions
diff --git a/hw/block/meson.build b/hw/block/meson.build index 8ee1f1f..1908abd 100644 --- a/hw/block/meson.build +++ b/hw/block/meson.build @@ -17,6 +17,6 @@ softmmu_ss.add(when: 'CONFIG_XEN', if_true: files('xen-block.c')) softmmu_ss.add(when: 'CONFIG_TC58128', if_true: files('tc58128.c')) specific_ss.add(when: 'CONFIG_VIRTIO_BLK', if_true: files('virtio-blk.c', 'virtio-blk-common.c')) -specific_ss.add(when: 'CONFIG_VHOST_USER_BLK', if_true: files('vhost-user-blk.c')) +specific_ss.add(when: 'CONFIG_VHOST_USER_BLK', if_true: files('vhost-user-blk.c', 'virtio-blk-common.c')) subdir('dataplane') diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c index aa4831f..84902dd 100644 --- a/hw/block/vhost-user-blk.c +++ b/hw/block/vhost-user-blk.c @@ -23,6 +23,7 @@ #include "hw/qdev-core.h" #include "hw/qdev-properties.h" #include "hw/qdev-properties-system.h" +#include "hw/virtio/virtio-blk-common.h" #include "hw/virtio/vhost.h" #include "hw/virtio/vhost-user-blk.h" #include "hw/virtio/virtio.h" @@ -63,7 +64,7 @@ static void vhost_user_blk_update_config(VirtIODevice *vdev, uint8_t *config) /* Our num_queues overrides the device backend */ virtio_stw_p(vdev, &s->blkcfg.num_queues, s->num_queues); - memcpy(config, &s->blkcfg, sizeof(struct virtio_blk_config)); + memcpy(config, &s->blkcfg, vdev->config_len); } static void vhost_user_blk_set_config(VirtIODevice *vdev, const uint8_t *config) @@ -92,12 +93,12 @@ static int vhost_user_blk_handle_config_change(struct vhost_dev *dev) { int ret; struct virtio_blk_config blkcfg; + VirtIODevice *vdev = dev->vdev; VHostUserBlk *s = VHOST_USER_BLK(dev->vdev); Error *local_err = NULL; ret = vhost_dev_get_config(dev, (uint8_t *)&blkcfg, - sizeof(struct virtio_blk_config), - &local_err); + vdev->config_len, &local_err); if (ret < 0) { error_report_err(local_err); return ret; @@ -106,7 +107,7 @@ static int vhost_user_blk_handle_config_change(struct vhost_dev *dev) /* 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)); + memcpy(dev->vdev->config, &s->blkcfg, vdev->config_len); virtio_notify_config(dev->vdev); } @@ -448,7 +449,7 @@ static int vhost_user_blk_realize_connect(VHostUserBlk *s, Error **errp) assert(s->connected); ret = vhost_dev_get_config(&s->dev, (uint8_t *)&s->blkcfg, - sizeof(struct virtio_blk_config), errp); + s->parent_obj.config_len, errp); if (ret < 0) { qemu_chr_fe_disconnect(&s->chardev); vhost_dev_cleanup(&s->dev); @@ -463,6 +464,7 @@ static void vhost_user_blk_device_realize(DeviceState *dev, Error **errp) ERRP_GUARD(); VirtIODevice *vdev = VIRTIO_DEVICE(dev); VHostUserBlk *s = VHOST_USER_BLK(vdev); + size_t config_size; int retries; int i, ret; @@ -493,8 +495,9 @@ static void vhost_user_blk_device_realize(DeviceState *dev, Error **errp) return; } - virtio_init(vdev, VIRTIO_ID_BLOCK, - sizeof(struct virtio_blk_config)); + config_size = virtio_get_config_size(&virtio_blk_cfg_size_params, + vdev->host_features); + virtio_init(vdev, VIRTIO_ID_BLOCK, config_size); s->virtqs = g_new(VirtQueue *, s->num_queues); for (i = 0; i < s->num_queues; i++) { |