3 files changed, 18 insertions, 16 deletions
diff --git a/block/export/export.c b/block/export/export.c
index c3478c6c97..bad6f21b1c 100644
--- a/block/export/export.c
+++ b/block/export/export.c
@@ -22,13 +22,13 @@
 #include "qapi/qapi-commands-block-export.h"
 #include "qapi/qapi-events-block-export.h"
 #include "qemu/id.h"
-#if defined(CONFIG_LINUX) && defined(CONFIG_VHOST_USER)
+#ifdef CONFIG_VHOST_USER_BLK_SERVER
 #include "vhost-user-blk-server.h"
 #endif
 
 static const BlockExportDriver *blk_exp_drivers[] = {
     &blk_exp_nbd,
-#if defined(CONFIG_LINUX) && defined(CONFIG_VHOST_USER)
+#ifdef CONFIG_VHOST_USER_BLK_SERVER
     &blk_exp_vhost_user_blk,
 #endif
 };
diff --git a/block/export/meson.build b/block/export/meson.build
index 9fb4fbf81d..19526435d8 100644
--- a/block/export/meson.build
+++ b/block/export/meson.build
@@ -1,2 +1,2 @@
 blockdev_ss.add(files('export.c'))
-blockdev_ss.add(when: ['CONFIG_LINUX', 'CONFIG_VHOST_USER'], if_true: files('vhost-user-blk-server.c'))
+blockdev_ss.add(when: 'CONFIG_VHOST_USER_BLK_SERVER', if_true: files('vhost-user-blk-server.c'))
diff --git a/block/export/vhost-user-blk-server.c b/block/export/vhost-user-blk-server.c
index 41f4933d6e..62672d1cb9 100644
--- a/block/export/vhost-user-blk-server.c
+++ b/block/export/vhost-user-blk-server.c
@@ -264,9 +264,11 @@ static uint64_t vu_blk_get_protocol_features(VuDev *dev)
 static int
 vu_blk_get_config(VuDev *vu_dev, uint8_t *config, uint32_t len)
 {
-    /* TODO blkcfg must be little-endian for VIRTIO 1.0 */
     VuServer *server = container_of(vu_dev, VuServer, vu_dev);
     VuBlkExport *vexp = container_of(server, VuBlkExport, vu_server);
+
+    g_return_val_if_fail(len <= sizeof(struct virtio_blk_config), -1);
+
     memcpy(config, &vexp->blkcfg, len);
     return 0;
 }
@@ -343,18 +345,18 @@ vu_blk_initialize_config(BlockDriverState *bs,
                          uint32_t blk_size,
                          uint16_t num_queues)
 {
-    config->capacity = bdrv_getlength(bs) >> BDRV_SECTOR_BITS;
-    config->blk_size = blk_size;
-    config->size_max = 0;
-    config->seg_max = 128 - 2;
-    config->min_io_size = 1;
-    config->opt_io_size = 1;
-    config->num_queues = num_queues;
-    config->max_discard_sectors = 32768;
-    config->max_discard_seg = 1;
-    config->discard_sector_alignment = config->blk_size >> 9;
-    config->max_write_zeroes_sectors = 32768;
-    config->max_write_zeroes_seg = 1;
+    config->capacity = cpu_to_le64(bdrv_getlength(bs) >> BDRV_SECTOR_BITS);
+    config->blk_size = cpu_to_le32(blk_size);
+    config->size_max = cpu_to_le32(0);
+    config->seg_max = cpu_to_le32(128 - 2);
+    config->min_io_size = cpu_to_le16(1);
+    config->opt_io_size = cpu_to_le32(1);
+    config->num_queues = cpu_to_le16(num_queues);
+    config->max_discard_sectors = cpu_to_le32(32768);
+    config->max_discard_seg = cpu_to_le32(1);
+    config->discard_sector_alignment = cpu_to_le32(config->blk_size >> 9);
+    config->max_write_zeroes_sectors = cpu_to_le32(32768);
+    config->max_write_zeroes_seg = cpu_to_le32(1);
 }
 
 static void vu_blk_exp_request_shutdown(BlockExport *exp)