aboutsummaryrefslogtreecommitdiff
path: root/memory.c
diff options
context:
space:
mode:
authorMarc-André Lureau <marcandre.lureau@redhat.com>2017-06-02 18:12:24 +0400
committerPaolo Bonzini <pbonzini@redhat.com>2017-06-15 11:04:05 +0200
commitfea617c58b777495b9285f3dc6b33f2898352886 (patch)
treef6b664b3896247995d4e336eb5b7793abc784fdb /memory.c
parent38b3362dd15c2dc4ad0edd105cde914e639d90fa (diff)
downloadqemu-fea617c58b777495b9285f3dc6b33f2898352886.zip
qemu-fea617c58b777495b9285f3dc6b33f2898352886.tar.gz
qemu-fea617c58b777495b9285f3dc6b33f2898352886.tar.bz2
Add memory_region_init_ram_from_fd()
Add a new function to initialize a RAM memory region with a file descriptor to be mmap-ed. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20170602141229.15326-5-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'memory.c')
-rw-r--r--memory.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/memory.c b/memory.c
index 0ddc4cc..b2ace20 100644
--- a/memory.c
+++ b/memory.c
@@ -1397,6 +1397,22 @@ void memory_region_init_ram_from_file(MemoryRegion *mr,
mr->ram_block = qemu_ram_alloc_from_file(size, mr, share, path, errp);
mr->dirty_log_mask = tcg_enabled() ? (1 << DIRTY_MEMORY_CODE) : 0;
}
+
+void memory_region_init_ram_from_fd(MemoryRegion *mr,
+ struct Object *owner,
+ const char *name,
+ uint64_t size,
+ bool share,
+ int fd,
+ Error **errp)
+{
+ memory_region_init(mr, owner, name, size);
+ mr->ram = true;
+ mr->terminates = true;
+ mr->destructor = memory_region_destructor_ram;
+ mr->ram_block = qemu_ram_alloc_from_fd(size, mr, share, fd, errp);
+ mr->dirty_log_mask = tcg_enabled() ? (1 << DIRTY_MEMORY_CODE) : 0;
+}
#endif
void memory_region_init_ram_ptr(MemoryRegion *mr,