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As of 3.1 spec, background commands can be canceled with a new abort command. Implement the support, which is advertised in the CEL. No ad-hoc context undoing is necessary as all the command logic of the running bg command is done upon completion. Arbitrarily, the on-going background cmd will not be aborted if already at least 85% done; A mutex is introduced to stabilize mbox request cancel command vs the timer callback being fired scenarios (as well as reading the mbox registers). While some operations under critical regions may be unnecessary (irq notifying, cmd callbacks), this is not a path where performance is important, so simplicity is preferred. Tested-by: Ajay Joshi <ajay.opensrc@micron.com> Reviewed-by: Ajay Joshi <ajay.opensrc@micron.com> Signed-off-by: Davidlohr Bueso <dave@stgolabs.net> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Message-Id: <20250305092501.191929-2-Jonathan.Cameron@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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| accel | ||
| authz | ||
| block | ||
| chardev | ||
| crypto | ||
| disas | ||
| exec | ||
| fpu | ||
| gdbstub | ||
| hw | ||
| io | ||
| libdecnumber | ||
| migration | ||
| monitor | ||
| net | ||
| qapi | ||
| qemu | ||
| qobject | ||
| qom | ||
| scsi | ||
| semihosting | ||
| standard-headers | ||
| system | ||
| tcg | ||
| ui | ||
| user | ||
| elf.h | ||
| glib-compat.h | ||
| qemu-io.h | ||
| qemu-main.h | ||