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Diffstat (limited to 'block/export/vhost-user-blk-server.c')
-rw-r--r--block/export/vhost-user-blk-server.c28
1 files changed, 15 insertions, 13 deletions
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)