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Diffstat (limited to 'hw/misc/aspeed_hace.c')
-rw-r--r--hw/misc/aspeed_hace.c39
1 files changed, 2 insertions, 37 deletions
diff --git a/hw/misc/aspeed_hace.c b/hw/misc/aspeed_hace.c
index f4bff32a00..9263739ea6 100644
--- a/hw/misc/aspeed_hace.c
+++ b/hw/misc/aspeed_hace.c
@@ -142,25 +142,6 @@ static bool has_padding(AspeedHACEState *s, struct iovec *iov,
     return false;
 }
 
-static int reconstruct_iov(AspeedHACEState *s, struct iovec *iov, int id,
-                           uint32_t *pad_offset)
-{
-    int i, iov_count;
-    if (*pad_offset != 0) {
-        s->iov_cache[s->iov_count].iov_base = iov[id].iov_base;
-        s->iov_cache[s->iov_count].iov_len = *pad_offset;
-        ++s->iov_count;
-    }
-    for (i = 0; i < s->iov_count; i++) {
-        iov[i].iov_base = s->iov_cache[i].iov_base;
-        iov[i].iov_len = s->iov_cache[i].iov_len;
-    }
-    iov_count = s->iov_count;
-    s->iov_count = 0;
-    s->total_req_len = 0;
-    return iov_count;
-}
-
 static void do_hash_operation(AspeedHACEState *s, int algo, bool sg_mode,
                               bool acc_mode)
 {
@@ -242,19 +223,6 @@ static void do_hash_operation(AspeedHACEState *s, int algo, bool sg_mode,
         iov[0].iov_base = haddr;
         iov[0].iov_len = len;
         i = 1;
-
-        if (s->iov_count) {
-            /*
-             * In aspeed sdk kernel driver, sg_mode is disabled in hash_final().
-             * Thus if we received a request with sg_mode disabled, it is
-             * required to check whether cache is empty. If no, we should
-             * combine cached iov and the current iov.
-             */
-            s->total_req_len += len;
-            if (has_padding(s, iov, len, &total_msg_len, &pad_offset)) {
-                i = reconstruct_iov(s, iov, 0, &pad_offset);
-            }
-        }
     }
 
     if (acc_mode) {
@@ -278,7 +246,6 @@ static void do_hash_operation(AspeedHACEState *s, int algo, bool sg_mode,
             qcrypto_hash_free(s->hash_ctx);
 
             s->hash_ctx = NULL;
-            s->iov_count = 0;
             s->total_req_len = 0;
         }
     } else if (qcrypto_hash_bytesv(algo, iov, i, &digest_buf,
@@ -437,7 +404,6 @@ static void aspeed_hace_reset(DeviceState *dev)
     }
 
     memset(s->regs, 0, sizeof(s->regs));
-    s->iov_count = 0;
     s->total_req_len = 0;
 }
 
@@ -469,12 +435,11 @@ static const Property aspeed_hace_properties[] = {
 
 static const VMStateDescription vmstate_aspeed_hace = {
     .name = TYPE_ASPEED_HACE,
-    .version_id = 1,
-    .minimum_version_id = 1,
+    .version_id = 2,
+    .minimum_version_id = 2,
     .fields = (const VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, AspeedHACEState, ASPEED_HACE_NR_REGS),
         VMSTATE_UINT32(total_req_len, AspeedHACEState),
-        VMSTATE_UINT32(iov_count, AspeedHACEState),
         VMSTATE_END_OF_LIST(),
     }
 };