diff options
| author | Junyan He <junyan.he@intel.com> | 2018-07-18 15:47:57 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2018-08-10 13:29:39 +0300 |
| commit | b0e5de93811077254a536c23b713b49e12efb742 (patch) | |
| tree | a74b3e97a158bc3a7f0d31c84a0d5edcc0ab77c1 /include/exec/memory.h | |
| parent | f7502360397d291be04bc040e9f96c92ff2d8030 (diff) | |
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/memory.h')
| -rw-r--r-- | include/exec/memory.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h index 448d41a752..6d0af29155 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, |