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authorJunyan He <junyan.he@intel.com>2018-07-18 15:47:57 +0800
committerMichael S. Tsirkin <mst@redhat.com>2018-08-10 13:29:39 +0300
commitb0e5de93811077254a536c23b713b49e12efb742 (patch)
treea74b3e97a158bc3a7f0d31c84a0d5edcc0ab77c1 /include/exec
parentf7502360397d291be04bc040e9f96c92ff2d8030 (diff)
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memory, exec: Expose all memory block related flags.
We need to use these flags in other files rather than just in exec.c, For example, RAM_SHARED should be used when create a ram block from file. We expose them the exec/memory.h Signed-off-by: Junyan He <junyan.he@intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/exec')
-rw-r--r--include/exec/memory.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 448d41a..6d0af29 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -103,6 +103,26 @@ struct IOMMUNotifier {
};
typedef struct IOMMUNotifier IOMMUNotifier;
+/* RAM is pre-allocated and passed into qemu_ram_alloc_from_ptr */
+#define RAM_PREALLOC (1 << 0)
+
+/* RAM is mmap-ed with MAP_SHARED */
+#define RAM_SHARED (1 << 1)
+
+/* Only a portion of RAM (used_length) is actually used, and migrated.
+ * This used_length size can change across reboots.
+ */
+#define RAM_RESIZEABLE (1 << 2)
+
+/* UFFDIO_ZEROPAGE is available on this RAMBlock to atomically
+ * zero the page and wake waiting processes.
+ * (Set during postcopy)
+ */
+#define RAM_UF_ZEROPAGE (1 << 3)
+
+/* RAM can be migrated */
+#define RAM_MIGRATABLE (1 << 4)
+
static inline void iommu_notifier_init(IOMMUNotifier *n, IOMMUNotify fn,
IOMMUNotifierFlag flags,
hwaddr start, hwaddr end,