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memory, exec: Expose all memory block related flags.

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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>
This commit is contained in:
Junyan He 2018-07-18 15:47:57 +08:00 committed by Michael S. Tsirkin
parent f750236039
commit b0e5de9381
2 changed files with 20 additions and 20 deletions
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20
exec.c
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@ -87,26 +87,6 @@ AddressSpace address_space_memory;
MemoryRegion io_mem_rom, io_mem_notdirty; MemoryRegion io_mem_rom, io_mem_notdirty;
static MemoryRegion io_mem_unassigned; static MemoryRegion io_mem_unassigned;
/* 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)
#endif #endif
#ifdef TARGET_PAGE_BITS_VARY #ifdef TARGET_PAGE_BITS_VARY

20
include/exec/memory.h
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@ -103,6 +103,26 @@ struct IOMMUNotifier {
}; };
typedef struct IOMMUNotifier 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, static inline void iommu_notifier_init(IOMMUNotifier *n, IOMMUNotify fn,
IOMMUNotifierFlag flags, IOMMUNotifierFlag flags,
hwaddr start, hwaddr end, hwaddr start, hwaddr end,