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Merge remote-tracking branch 'kraxel/usb.58' into staging 

* kraxel/usb.58:
  usb-storage: fix SYNCHRONIZE_CACHE
  usb-storage: improve debug logging
This commit is contained in:
Anthony Liguori 2012-08-07 09:46:40 -05:00
parent b262fce11a 54414218d7
commit c03b0aa0ca
1 changed files with 9 additions and 2 deletions
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11
hw/usb/dev-storage.c
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@ -247,6 +247,9 @@ static void usb_msd_command_complete(SCSIRequest *req, uint32_t status, size_t r
the status read packet. */
usb_msd_send_status(s, p);
s->mode = USB_MSDM_CBW;
} else if (s->mode == USB_MSDM_CSW) {
usb_msd_send_status(s, p);
s->mode = USB_MSDM_CBW;
} else {
if (s->data_len) {
int len = (p->iov.size - p->result);
@ -383,6 +386,9 @@ static int usb_msd_handle_data(USBDevice *dev, USBPacket *p)
assert(le32_to_cpu(s->csw.residue) == 0);
s->scsi_len = 0;
s->req = scsi_req_new(s->scsi_dev, tag, 0, cbw.cmd, NULL);
#ifdef DEBUG_MSD
scsi_req_print(s->req);
#endif
scsi_req_enqueue(s->req);
if (s->req && s->req->cmd.xfer != SCSI_XFER_NONE) {
scsi_req_continue(s->req);
@ -410,7 +416,7 @@ static int usb_msd_handle_data(USBDevice *dev, USBPacket *p)
}
}
if (p->result < p->iov.size) {
DPRINTF("Deferring packet %p\n", p);
DPRINTF("Deferring packet %p [wait data-out]\n", p);
s->packet = p;
ret = USB_RET_ASYNC;
} else {
@ -445,6 +451,7 @@ static int usb_msd_handle_data(USBDevice *dev, USBPacket *p)
if (s->req) {
/* still in flight */
DPRINTF("Deferring packet %p [wait status]\n", p);
s->packet = p;
ret = USB_RET_ASYNC;
} else {
@ -471,7 +478,7 @@ static int usb_msd_handle_data(USBDevice *dev, USBPacket *p)
}
}
if (p->result < p->iov.size) {
DPRINTF("Deferring packet %p\n", p);
DPRINTF("Deferring packet %p [wait data-in]\n", p);
s->packet = p;
ret = USB_RET_ASYNC;
} else {