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physmem: qemu_ram_get_fd_offset

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Define qemu_ram_get_fd_offset, so CPR can map a memory region using
IOMMU_IOAS_MAP_FILE in a subsequent patch.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Link: https://lore.kernel.org/qemu-devel/1751493538-202042-8-git-send-email-steven.sistare@oracle.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Steve Sistare 2025-07-02 14:58:44 -07:00 • committed by Cédric Le Goater
parent ab48cedc64
commit d7ae4a740c
2 changed files with 6 additions and 0 deletions
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1
include/exec/cpu-common.h
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@ -85,6 +85,7 @@ void qemu_ram_unset_idstr(RAMBlock *block);
const char *qemu_ram_get_idstr(RAMBlock *rb);
void *qemu_ram_get_host_addr(RAMBlock *rb);
ram_addr_t qemu_ram_get_offset(RAMBlock *rb);
ram_addr_t qemu_ram_get_fd_offset(RAMBlock *rb);
ram_addr_t qemu_ram_get_used_length(RAMBlock *rb);
ram_addr_t qemu_ram_get_max_length(RAMBlock *rb);
bool qemu_ram_is_shared(RAMBlock *rb);

5
system/physmem.c
View file

@ -1593,6 +1593,11 @@ ram_addr_t qemu_ram_get_offset(RAMBlock *rb)
return rb->offset;
}
ram_addr_t qemu_ram_get_fd_offset(RAMBlock *rb)
{
return rb->fd_offset;
}
ram_addr_t qemu_ram_get_used_length(RAMBlock *rb)
{
return rb->used_length;