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[Qemu-devel] [PATCH] virtio-blk: fix cross-endian config space


From: Paolo Bonzini
Subject: [Qemu-devel] [PATCH] virtio-blk: fix cross-endian config space
Date: Tue, 15 Nov 2011 12:07:53 +0100

Signed-off-by: Paolo Bonzini <address@hidden>
---
 hw/virtio-blk.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c
index 01aeb28..4a15f0c 100644
--- a/hw/virtio-blk.c
+++ b/hw/virtio-blk.c
@@ -481,14 +481,14 @@ static void virtio_blk_update_config(VirtIODevice *vdev, 
uint8_t *config)
     stq_raw(&blkcfg.capacity, capacity);
     stl_raw(&blkcfg.seg_max, 128 - 2);
     stw_raw(&blkcfg.cylinders, cylinders);
+    stl_raw(&blkcfg.blk_size, s->conf->logical_block_size);
+    stw_raw(&blkcfg.min_io_size, s->conf->min_io_size / blkcfg.blk_size);
+    stw_raw(&blkcfg.opt_io_size, s->conf->opt_io_size / blkcfg.blk_size);
     blkcfg.heads = heads;
     blkcfg.sectors = secs & ~s->sector_mask;
-    blkcfg.blk_size = s->conf->logical_block_size;
     blkcfg.size_max = 0;
     blkcfg.physical_block_exp = get_physical_block_exp(s->conf);
     blkcfg.alignment_offset = 0;
-    blkcfg.min_io_size = s->conf->min_io_size / blkcfg.blk_size;
-    blkcfg.opt_io_size = s->conf->opt_io_size / blkcfg.blk_size;
     memcpy(config, &blkcfg, sizeof(struct virtio_blk_config));
 }
 
-- 
1.7.7.1




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