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scsi: pass residual amount to command_complete

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With the upcoming sglist support, HBAs will not see any transfer_data
call and will not have a way to detect short transfers.  So pass the
residual amount of data upon command completion.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2011-07-06 11:55:37 +02:00
parent da22132752
commit 01e9545588
6 changed files with 15 additions and 9 deletions
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2
hw/usb-msd.c
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@ -223,7 +223,7 @@ static void usb_msd_transfer_data(SCSIRequest *req, uint32_t len)
}
}
static void usb_msd_command_complete(SCSIRequest *req, uint32_t status)
static void usb_msd_command_complete(SCSIRequest *req, uint32_t status, size_t resid)
{
MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
USBPacket *p = s->packet;