Commit b0e5de93 authored by Junyan He's avatar Junyan He Committed by Michael S. Tsirkin
Browse files

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: default avatarJunyan He <junyan.he@intel.com>
Reviewed-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: default avatarIgor Mammedov <imammedo@redhat.com>
Reviewed-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent f7502360

exec.c

+0 −20
Original line number Diff line number Diff line
@@ -87,26 +87,6 @@ AddressSpace address_space_memory; 


MemoryRegion io_mem_rom, io_mem_notdirty;

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



#ifdef TARGET_PAGE_BITS_VARY

include/exec/memory.h

+20 −0
Original line number Diff line number Diff line
@@ -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,