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esp.c: don't immediately raise INTR_BS if SCSI data needed in esp_do_dma()

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In the case when more data is requested from the SCSI layer during a DMA data
transfer from a device, don't immediately fall through to the TC check logic.
Otherwise when TC is zero INTR_BS will be raised immediately rather than when
the next set of SCSI data is ready.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Helge Deller <deller@gmx.de>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20240112125420.514425-24-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
This commit is contained in:
Mark Cave-Ayland 2024-01-12 12:53:15 +00:00
parent 68ef41fb13
commit fabcba4966
1 changed files with 1 additions and 0 deletions
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hw/scsi/esp.c
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@ -745,6 +745,7 @@ static void esp_do_dma(ESPState *s)
if (s->async_len == 0) {
scsi_req_continue(s->current_req);
return;
}
if (esp_get_tc(s) == 0) {