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Diffstat (limited to 'hw/misc/ivshmem.c')
-rw-r--r--hw/misc/ivshmem.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index f73f0c2..df585de 100644
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -29,6 +29,7 @@
#include "sysemu/char.h"
#include "sysemu/hostmem.h"
#include "qapi/visitor.h"
+#include "exec/ram_addr.h"
#include "hw/misc/ivshmem.h"
@@ -422,6 +423,7 @@ static int create_shared_memory_BAR(IVShmemState *s, int fd, uint8_t attr,
memory_region_init_ram_ptr(&s->ivshmem, OBJECT(s), "ivshmem.bar2",
s->ivshmem_size, ptr);
+ qemu_set_ram_fd(s->ivshmem.ram_addr, fd);
vmstate_register_ram(&s->ivshmem, DEVICE(s));
memory_region_add_subregion(&s->bar, 0, &s->ivshmem);
@@ -682,6 +684,7 @@ static void ivshmem_read(void *opaque, const uint8_t *buf, int size)
}
memory_region_init_ram_ptr(&s->ivshmem, OBJECT(s),
"ivshmem.bar2", s->ivshmem_size, map_ptr);
+ qemu_set_ram_fd(s->ivshmem.ram_addr, incoming_fd);
vmstate_register_ram(&s->ivshmem, DEVICE(s));
IVSHMEM_DPRINTF("guest h/w addr = %p, size = %" PRIu64 "\n",
@@ -689,7 +692,6 @@ static void ivshmem_read(void *opaque, const uint8_t *buf, int size)
memory_region_add_subregion(&s->bar, 0, &s->ivshmem);
- close(incoming_fd);
return;
}
@@ -991,7 +993,6 @@ static void pci_ivshmem_realize(PCIDevice *dev, Error **errp)
}
create_shared_memory_BAR(s, fd, attr, errp);
- close(fd);
}
}
@@ -1010,11 +1011,15 @@ static void pci_ivshmem_exit(PCIDevice *dev)
if (memory_region_is_mapped(&s->ivshmem)) {
if (!s->hostmem) {
void *addr = memory_region_get_ram_ptr(&s->ivshmem);
+ int fd;
if (munmap(addr, s->ivshmem_size) == -1) {
error_report("Failed to munmap shared memory %s",
strerror(errno));
}
+
+ if ((fd = qemu_get_ram_fd(s->ivshmem.ram_addr)) != -1)
+ close(fd);
}
vmstate_unregister_ram(&s->ivshmem, DEVICE(dev));