diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/exec/memory.h | 6 | ||||
| -rw-r--r-- | include/exec/ram_addr.h | 8 | ||||
| -rw-r--r-- | include/qemu/cutils.h | 1 |
3 files changed, 15 insertions, 0 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h index e499dc2..27a84e0 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -1265,6 +1265,12 @@ void *memory_region_get_ram_ptr(MemoryRegion *mr); */ void memory_region_ram_resize(MemoryRegion *mr, ram_addr_t newsize, Error **errp); +/** + * memory_region_do_writeback: Trigger writeback for selected address range + * [addr, addr + size] + * + */ +void memory_region_do_writeback(MemoryRegion *mr, hwaddr addr, hwaddr size); /** * memory_region_set_log: Turn dirty logging on or off for a region. diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h index bed0554..5adebb0 100644 --- a/include/exec/ram_addr.h +++ b/include/exec/ram_addr.h @@ -174,6 +174,14 @@ void qemu_ram_free(RAMBlock *block); int qemu_ram_resize(RAMBlock *block, ram_addr_t newsize, Error **errp); +void qemu_ram_writeback(RAMBlock *block, ram_addr_t start, ram_addr_t length); + +/* Clear whole block of mem */ +static inline void qemu_ram_block_writeback(RAMBlock *block) +{ + qemu_ram_writeback(block, 0, block->used_length); +} + #define DIRTY_CLIENTS_ALL ((1 << DIRTY_MEMORY_NUM) - 1) #define DIRTY_CLIENTS_NOCODE (DIRTY_CLIENTS_ALL & ~(1 << DIRTY_MEMORY_CODE)) diff --git a/include/qemu/cutils.h b/include/qemu/cutils.h index b54c847..eb59852 100644 --- a/include/qemu/cutils.h +++ b/include/qemu/cutils.h @@ -130,6 +130,7 @@ const char *qemu_strchrnul(const char *s, int c); #endif time_t mktimegm(struct tm *tm); int qemu_fdatasync(int fd); +int qemu_msync(void *addr, size_t length, int fd); int fcntl_setfl(int fd, int flag); int qemu_parse_fd(const char *param); int qemu_strtoi(const char *nptr, const char **endptr, int base, |