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-rw-r--r--kernel/drivers/usb/storage/transport.c7
-rw-r--r--kernel/drivers/usb/storage/uas.c22
-rw-r--r--kernel/drivers/usb/storage/unusual_devs.h7
-rw-r--r--kernel/drivers/usb/storage/unusual_uas.h7
-rw-r--r--kernel/drivers/usb/storage/usb.c5
5 files changed, 44 insertions, 4 deletions
diff --git a/kernel/drivers/usb/storage/transport.c b/kernel/drivers/usb/storage/transport.c
index 5e67f63b2..02f86dd1a 100644
--- a/kernel/drivers/usb/storage/transport.c
+++ b/kernel/drivers/usb/storage/transport.c
@@ -919,10 +919,15 @@ int usb_stor_CB_transport(struct scsi_cmnd *srb, struct us_data *us)
/* COMMAND STAGE */
/* let's send the command via the control pipe */
+ /*
+ * Command is sometime (f.e. after scsi_eh_prep_cmnd) on the stack.
+ * Stack may be vmallocated. So no DMA for us. Make a copy.
+ */
+ memcpy(us->iobuf, srb->cmnd, srb->cmd_len);
result = usb_stor_ctrl_transfer(us, us->send_ctrl_pipe,
US_CBI_ADSC,
USB_TYPE_CLASS | USB_RECIP_INTERFACE, 0,
- us->ifnum, srb->cmnd, srb->cmd_len);
+ us->ifnum, us->iobuf, srb->cmd_len);
/* check the return code for the command */
usb_stor_dbg(us, "Call to usb_stor_ctrl_transfer() returned %d\n",
diff --git a/kernel/drivers/usb/storage/uas.c b/kernel/drivers/usb/storage/uas.c
index 5c66d3f7a..e26e32169 100644
--- a/kernel/drivers/usb/storage/uas.c
+++ b/kernel/drivers/usb/storage/uas.c
@@ -2,7 +2,7 @@
* USB Attached SCSI
* Note that this is not the same as the USB Mass Storage driver
*
- * Copyright Hans de Goede <hdegoede@redhat.com> for Red Hat, Inc. 2013 - 2014
+ * Copyright Hans de Goede <hdegoede@redhat.com> for Red Hat, Inc. 2013 - 2016
* Copyright Matthew Wilcox for Intel Corp, 2010
* Copyright Sarah Sharp for Intel Corp, 2010
*
@@ -757,6 +757,17 @@ static int uas_eh_bus_reset_handler(struct scsi_cmnd *cmnd)
return SUCCESS;
}
+static int uas_target_alloc(struct scsi_target *starget)
+{
+ struct uas_dev_info *devinfo = (struct uas_dev_info *)
+ dev_to_shost(starget->dev.parent)->hostdata;
+
+ if (devinfo->flags & US_FL_NO_REPORT_LUNS)
+ starget->no_report_luns = 1;
+
+ return 0;
+}
+
static int uas_slave_alloc(struct scsi_device *sdev)
{
struct uas_dev_info *devinfo =
@@ -808,11 +819,12 @@ static struct scsi_host_template uas_host_template = {
.module = THIS_MODULE,
.name = "uas",
.queuecommand = uas_queuecommand,
+ .target_alloc = uas_target_alloc,
.slave_alloc = uas_slave_alloc,
.slave_configure = uas_slave_configure,
.eh_abort_handler = uas_eh_abort_handler,
.eh_bus_reset_handler = uas_eh_bus_reset_handler,
- .can_queue = 65536, /* Is there a limit on the _host_ ? */
+ .can_queue = MAX_CMNDS,
.this_id = -1,
.sg_tablesize = SG_NONE,
.skip_settle_delay = 1,
@@ -932,6 +944,12 @@ static int uas_probe(struct usb_interface *intf, const struct usb_device_id *id)
if (result)
goto set_alt0;
+ /*
+ * 1 tag is reserved for untagged commands +
+ * 1 tag to avoid off by one errors in some bridge firmwares
+ */
+ shost->can_queue = devinfo->qdepth - 2;
+
usb_set_intfdata(intf, shost);
result = scsi_add_host(shost, &intf->dev);
if (result)
diff --git a/kernel/drivers/usb/storage/unusual_devs.h b/kernel/drivers/usb/storage/unusual_devs.h
index 7ffe42090..640a2e2ec 100644
--- a/kernel/drivers/usb/storage/unusual_devs.h
+++ b/kernel/drivers/usb/storage/unusual_devs.h
@@ -2135,6 +2135,13 @@ UNUSUAL_DEV( 0x22b8, 0x3010, 0x0001, 0x0001,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_FIX_CAPACITY | US_FL_IGNORE_RESIDUE ),
+/* Reported-by George Cherian <george.cherian@cavium.com> */
+UNUSUAL_DEV(0x152d, 0x9561, 0x0000, 0x9999,
+ "JMicron",
+ "JMS56x",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_NO_REPORT_OPCODES),
+
/*
* Patch by Constantin Baranov <const@tltsu.ru>
* Report by Andreas Koenecke.
diff --git a/kernel/drivers/usb/storage/unusual_uas.h b/kernel/drivers/usb/storage/unusual_uas.h
index ccc113e83..53341a77d 100644
--- a/kernel/drivers/usb/storage/unusual_uas.h
+++ b/kernel/drivers/usb/storage/unusual_uas.h
@@ -64,6 +64,13 @@ UNUSUAL_DEV(0x0bc2, 0x3312, 0x0000, 0x9999,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_NO_ATA_1X),
+/* Reported-by: David Webb <djw@noc.ac.uk> */
+UNUSUAL_DEV(0x0bc2, 0x331a, 0x0000, 0x9999,
+ "Seagate",
+ "Expansion Desk",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_NO_REPORT_LUNS),
+
/* Reported-by: Hans de Goede <hdegoede@redhat.com> */
UNUSUAL_DEV(0x0bc2, 0x3320, 0x0000, 0x9999,
"Seagate",
diff --git a/kernel/drivers/usb/storage/usb.c b/kernel/drivers/usb/storage/usb.c
index 43576ed31..9de988a0f 100644
--- a/kernel/drivers/usb/storage/usb.c
+++ b/kernel/drivers/usb/storage/usb.c
@@ -482,7 +482,7 @@ void usb_stor_adjust_quirks(struct usb_device *udev, unsigned long *fflags)
US_FL_NO_READ_DISC_INFO | US_FL_NO_READ_CAPACITY_16 |
US_FL_INITIAL_READ10 | US_FL_WRITE_CACHE |
US_FL_NO_ATA_1X | US_FL_NO_REPORT_OPCODES |
- US_FL_MAX_SECTORS_240);
+ US_FL_MAX_SECTORS_240 | US_FL_NO_REPORT_LUNS);
p = quirks;
while (*p) {
@@ -532,6 +532,9 @@ void usb_stor_adjust_quirks(struct usb_device *udev, unsigned long *fflags)
case 'i':
f |= US_FL_IGNORE_DEVICE;
break;
+ case 'j':
+ f |= US_FL_NO_REPORT_LUNS;
+ break;
case 'l':
f |= US_FL_NOT_LOCKABLE;
break;