atapi: Allow GET_EVENT_STATUS_NOTIFICATION after media change
After a media change, the only commands allowed from the guest were REQUEST_SENSE and INQUIRY. The guest may also issue GET_EVENT_STATUS_NOTIFICATION commands to get media changed notification. Signed-off-by: Amit Shah <amit.shah@redhat.com> Acked-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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@ -1102,11 +1102,19 @@ static void ide_atapi_cmd(IDEState *s)
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printf("\n");
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}
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#endif
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/* If there's a UNIT_ATTENTION condition pending, only
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REQUEST_SENSE and INQUIRY commands are allowed to complete. */
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/*
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* If there's a UNIT_ATTENTION condition pending, only
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* REQUEST_SENSE, INQUIRY, GET_CONFIGURATION and
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* GET_EVENT_STATUS_NOTIFICATION commands are allowed to complete.
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* MMC-5, section 4.1.6.1 lists only these commands being allowed
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* to complete, with other commands getting a CHECK condition
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* response unless a higher priority status, defined by the drive
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* here, is pending.
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*/
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if (s->sense_key == SENSE_UNIT_ATTENTION &&
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s->io_buffer[0] != GPCMD_REQUEST_SENSE &&
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s->io_buffer[0] != GPCMD_INQUIRY) {
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s->io_buffer[0] != GPCMD_INQUIRY &&
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s->io_buffer[0] != GPCMD_GET_EVENT_STATUS_NOTIFICATION) {
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ide_atapi_cmd_check_status(s);
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return;
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}
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