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authorMichael S. Tsirkin <mst@redhat.com>2011-05-05 16:39:47 +0300
committerMichael S. Tsirkin <mst@redhat.com>2011-05-05 16:39:47 +0300
commit5300f1a5487f67f0bde8ee1081b799108668cb1d (patch)
tree5274ff496f2665487736a4eec23bf76601e4da44 /block/qed.h
parent8d4c78e7c8adf0a4440a8de92738b3820fc8215a (diff)
parentd2d979c628e4b2c4a3cb71a31841875795c79043 (diff)
Merge remote branch 'origin/master' into pci
Conflicts: exec.c
Diffstat (limited to 'block/qed.h')
-rw-r--r--block/qed.h28
1 files changed, 27 insertions, 1 deletions
diff --git a/block/qed.h b/block/qed.h
index 2925e37b1c..1d1421fee1 100644
--- a/block/qed.h
+++ b/block/qed.h
@@ -161,6 +161,7 @@ typedef struct {
enum {
QED_CLUSTER_FOUND, /* cluster found */
+ QED_CLUSTER_ZERO, /* zero cluster found */
QED_CLUSTER_L2, /* cluster missing in L2 */
QED_CLUSTER_L1, /* cluster missing in L1 */
};
@@ -251,7 +252,7 @@ static inline uint64_t qed_offset_into_cluster(BDRVQEDState *s, uint64_t offset)
return offset & (s->header.cluster_size - 1);
}
-static inline unsigned int qed_bytes_to_clusters(BDRVQEDState *s, size_t bytes)
+static inline uint64_t qed_bytes_to_clusters(BDRVQEDState *s, uint64_t bytes)
{
return qed_start_of_cluster(s, bytes + (s->header.cluster_size - 1)) /
(s->header.cluster_size - 1);
@@ -298,4 +299,29 @@ static inline bool qed_check_table_offset(BDRVQEDState *s, uint64_t offset)
qed_check_cluster_offset(s, end_offset);
}
+static inline bool qed_offset_is_cluster_aligned(BDRVQEDState *s,
+ uint64_t offset)
+{
+ if (qed_offset_into_cluster(s, offset)) {
+ return false;
+ }
+ return true;
+}
+
+static inline bool qed_offset_is_unalloc_cluster(uint64_t offset)
+{
+ if (offset == 0) {
+ return true;
+ }
+ return false;
+}
+
+static inline bool qed_offset_is_zero_cluster(uint64_t offset)
+{
+ if (offset == 1) {
+ return true;
+ }
+ return false;
+}
+
#endif /* BLOCK_QED_H */