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authorDmitry Tikhov2022-04-21 12:51:58 +0200
committerKlaus Jensen2022-06-03 21:48:24 +0200
commit2e8f952ae7de23b4847937dbbf51f7a1ab10a2af (patch)
tree1cd31ca7ba9f1b2db7b659df0c9d590e8c1e0a43 /hw/nvme
parenthw/nvme: add missing return statement (diff)
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hw/nvme: fix copy cmd for pi enabled namespaces
Current implementation have problem in the read part of copy command. Because there is no metadata mangling before nvme_dif_check invocation, reftag error could be thrown for blocks of namespace that have not been previously written to. Signed-off-by: Dmitry Tikhov <d.tihov@yadro.com> Reviewed-by: Klaus Jensen <k.jensen@samsung.com> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Diffstat (limited to 'hw/nvme')
-rw-r--r--hw/nvme/ctrl.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index 74540a03d5..08574c4dcb 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -2787,6 +2787,10 @@ static void nvme_copy_in_completed_cb(void *opaque, int ret)
size_t mlen = nvme_m2b(ns, nlb);
uint8_t *mbounce = iocb->bounce + nvme_l2b(ns, nlb);
+ status = nvme_dif_mangle_mdata(ns, mbounce, mlen, slba);
+ if (status) {
+ goto invalid;
+ }
status = nvme_dif_check(ns, iocb->bounce, len, mbounce, mlen, prinfor,
slba, apptag, appmask, &reftag);
if (status) {