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At the protocol level, has_variable_length only needs to be true in the very special case of host CD-ROM drives, so that they do not need an explicit monitor command to read the new size when a disc is loaded in the tray. However, at the format level has_variable_length has to be true for all raw blockdevs and for all filters, even though in practice the length depends on the underlying file and thus will not change except in the case of host CD-ROM drives. As a first step towards computing an accurate value of has_variable_length, add the value into the BlockLimits structure and initialize the field from the BlockDriver. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20230407153303.391121-2-pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> |
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| .. | ||
| authz | ||
| block | ||
| chardev | ||
| crypto | ||
| disas | ||
| exec | ||
| fpu | ||
| gdbstub | ||
| hw | ||
| io | ||
| libdecnumber | ||
| migration | ||
| monitor | ||
| net | ||
| qapi | ||
| qemu | ||
| qom | ||
| scsi | ||
| semihosting | ||
| standard-headers | ||
| sysemu | ||
| tcg | ||
| ui | ||
| user | ||
| elf.h | ||
| glib-compat.h | ||
| qemu-io.h | ||
| qemu-main.h | ||