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authorAnthony Liguori <aliguori@us.ibm.com>2012-08-07 09:46:40 -0500
committerAnthony Liguori <aliguori@us.ibm.com>2012-08-07 09:46:40 -0500
commitc03b0aa0ca93480e92dc356e58538df0835fe621 (patch)
tree2ce07fc4c67af8841c05d7f04cb02720a2abca86
parentb262fce11a7409d71be84f68637cf4005e995822 (diff)
parent54414218d78c9d043417b27bb29bd0334b4e3cb5 (diff)
Merge remote-tracking branch 'kraxel/usb.58' into staging
* kraxel/usb.58: usb-storage: fix SYNCHRONIZE_CACHE usb-storage: improve debug logging
-rw-r--r--hw/usb/dev-storage.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
index 7fa8b83d2..ff48d9104 100644
--- a/hw/usb/dev-storage.c
+++ b/hw/usb/dev-storage.c
@@ -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 {