The following reply was made to PR usb/160299; it has been noted by GNATS.
From: Hans Petter Selasky <hsela...@c2i.net>
To: freebsd-usb@freebsd.org
Cc: Brett Glass <freebsd-...@brettglass.com>,
freebsd-gnats-sub...@freebsd.org
Subject: Re: usb/160299: MicroSDHC-to-USB adapters do not work in FreeBSD 8.x
Date: Tue, 30 Aug 2011 10:59:52 +0200
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On Monday 29 August 2011 23:05:30 Brett Glass wrote:
> >Number: 160299
> >Category: usb
> >Synopsis: MicroSDHC-to-USB adapters do not work in FreeBSD 8.x
> >Confidential: no
> >Severity: serious
> >Priority: high
> >Responsible: freebsd-usb
> >State: open
> >Quarter:
> >Keywords:
> >Date-Required:
> >Class: sw-bug
> >Submitter-Id: current-users
> >Arrival-Date: Mon Aug 29 21:10:08 UTC 2011
> >Closed-Date:
> >Last-Modified:
> >Originator: Brett Glass
> >Release: FreeBSD 8.1-RELEASE
>
> >Organization:
> LARIAT
>
> >Environment:
>
> >Description:
> I have tried MicroSDHC cards from several different vendors (Kingston,
> Sandisk, etc.), with different MicroSDHC-to-USB adapters (also Kingston
> and Sandisk), in FreeBSD 8.x systems. All cause SCSI errors such as
>
> (da1:umass-sim1:1:0:0): SYNCHRONIZE CACHE(10). CDB: 35 0 0 0 0 0 0 0 0 0
> (da1:umass-sim1:1:0:0): SCSI sense: Error code 0x52
>
> Some USB flash memory sticks also produce similar errors. In all cases the
> system sometimes hangs in the driver and the memory card or stick gets
> quite warm, as if the system is trying the failed operation again and
> again.
>
> It appears that the problem, which has existed since FreeBSD 4.x, is that
> the system expects to be able to issue SCSI commands to flash drives
> (which are not SCSI drives). As a search of recent PRs reveals, this
> problem has been addressed as a "quirk" on a per-device basis for many
> individual devices (including memory sticks and cell phones that emulate
> them), but keeps recurring as new ones are released. A more general fix is
> needed.
>
> >How-To-Repeat:
> Place a MicroSDHC card in a USB adapter and insert in a FreeBSD 8.x
> machine. Try to read and write it.
>
> >Fix:
> This behavior is so common that it should not be characterized as a quirk
> but as a general property of USB flash devices. All USB flash storage
> devices should have SYNCHRONIZE CACHE and similar SCSI commands disabled
> by default. These commands should, of course, be enabled for USB-attached
> ATAPI rotating media, which supports them.
>
> >Release-Note:
> >Audit-Trail:
>
> >Unformatted:
Hi,
Can you try the attached patch and report back. Should work on 8-stable and 9-
current.
--HPS
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name="msc_auto_quirk.patch"
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Content-Disposition: inline;
filename="msc_auto_quirk.patch"
=== sys/dev/usb/quirk/usb_quirk.c
==================================================================
--- sys/dev/usb/quirk/usb_quirk.c (revision 225095)
+++ sys/dev/usb/quirk/usb_quirk.c (local)
@@ -567,9 +567,9 @@
uint16_t x;
uint16_t y;
- if (quirk == UQ_NONE) {
- return (0);
- }
+ if (quirk == UQ_NONE)
+ goto done;
+
mtx_lock(&usb_quirk_mtx);
for (x = 0; x != USB_DEV_QUIRKS_MAX; x++) {
@@ -603,7 +603,8 @@
break;
}
mtx_unlock(&usb_quirk_mtx);
- return (0);
+done:
+ return (usb_test_quirk_w(info, quirk));
}
static struct usb_quirk_entry *
=== sys/dev/usb/usb_device.c
==================================================================
--- sys/dev/usb/usb_device.c (revision 225095)
+++ sys/dev/usb/usb_device.c (local)
@@ -1239,8 +1239,10 @@
usb_init_attach_arg(struct usb_device *udev,
struct usb_attach_arg *uaa)
{
- bzero(uaa, sizeof(*uaa));
+ uint8_t x;
+ memset(uaa, 0, sizeof(*uaa));
+
uaa->device = udev;
uaa->usb_mode = udev->flags.usb_mode;
uaa->port = udev->port_no;
@@ -1254,6 +1256,9 @@
uaa->info.bDeviceProtocol = udev->ddesc.bDeviceProtocol;
uaa->info.bConfigIndex = udev->curr_config_index;
uaa->info.bConfigNum = udev->curr_config_no;
+
+ for (x = 0; x != USB_MAX_AUTO_QUIRK; x++)
+ uaa->info.autoQuirk[x] = udev->autoQuirk[x];
}
/*------------------------------------------------------------------------*
@@ -1850,7 +1855,23 @@
}
}
}
+ if (set_config_failed == 0 && config_index == 0 &&
+ usb_test_quirk(&uaa, UQ_MSC_NO_SYNC_CACHE) == 0) {
+ /*
+ * Try to figure out if there are any MSC quirks we
+ * should apply automatically:
+ */
+ err = usb_msc_auto_quirk(udev, 0);
+
+ if (err != 0) {
+ usbd_add_dynamic_quirk(udev, UQ_MSC_NO_SYNC_CACHE);
+
+ set_config_failed = 1;
+ goto repeat_set_config;
+ }
+ }
+
config_done:
DPRINTF("new dev (addr %d), udev=%p, parent_hub=%p\n",
udev->address, udev, udev->parent_hub);
@@ -2698,3 +2719,16 @@
return (0); /* success */
}
+usb_error_t
+usbd_add_dynamic_quirk(struct usb_device *udev, uint16_t quirk)
+{
+ uint8_t x;
+
+ for (x = 0; x != USB_MAX_AUTO_QUIRK; x++) {
+ if (udev->autoQuirk[x] == 0) {
+ udev->autoQuirk[x] = quirk;
+ return (0); /* success */
+ }
+ }
+ return (USB_ERR_NOMEM);
+}
=== sys/dev/usb/usb_device.h
==================================================================
--- sys/dev/usb/usb_device.h (revision 225095)
+++ sys/dev/usb/usb_device.h (local)
@@ -149,6 +149,7 @@
uint16_t power; /* mA the device uses */
uint16_t langid; /* language for strings */
+ uint16_t autoQuirk[USB_MAX_AUTO_QUIRK]; /* dynamic quirks */
uint8_t address; /* device addess */
uint8_t device_index; /* device index in "bus->devices" */
=== sys/dev/usb/usb_dynamic.c
==================================================================
--- sys/dev/usb/usb_dynamic.c (revision 225095)
+++ sys/dev/usb/usb_dynamic.c (local)
@@ -50,12 +50,12 @@
#include <dev/usb/usb_process.h>
#include <dev/usb/usb_device.h>
#include <dev/usb/usb_dynamic.h>
+#include <dev/usb/quirk/usb_quirk.h>
/* function prototypes */
static usb_handle_req_t usb_temp_get_desc_w;
static usb_temp_setup_by_index_t usb_temp_setup_by_index_w;
static usb_temp_unsetup_t usb_temp_unsetup_w;
-static usb_test_quirk_t usb_test_quirk_w;
static usb_quirk_ioctl_t usb_quirk_ioctl_w;
/* global variables */
@@ -72,9 +72,19 @@
return (USB_ERR_INVAL);
}
-static uint8_t
+uint8_t
usb_test_quirk_w(const struct usbd_lookup_info *info, uint16_t quirk)
{
+ uint8_t x;
+
+ if (quirk == UQ_NONE)
+ return (0); /* no match */
+
+ for (x = 0; x != USB_MAX_AUTO_QUIRK; x++) {
+ if (info->autoQuirk[x] == quirk)
+ return (1); /* match */
+ }
+
return (0); /* no match */
}
=== sys/dev/usb/usb_dynamic.h
==================================================================
--- sys/dev/usb/usb_dynamic.h (revision 225095)
+++ sys/dev/usb/usb_dynamic.h (local)
@@ -57,5 +57,6 @@
void usb_temp_unload(void *);
void usb_quirk_unload(void *);
void usb_bus_unload(void *);
+usb_test_quirk_t usb_test_quirk_w;
#endif /* _USB_DYNAMIC_H_ */
=== sys/dev/usb/usb_freebsd.h
==================================================================
--- sys/dev/usb/usb_freebsd.h (revision 225095)
+++ sys/dev/usb/usb_freebsd.h (local)
@@ -68,6 +68,8 @@
#define USB_EP0_BUFSIZE 1024 /* bytes */
#define USB_CS_RESET_LIMIT 20 /* failures = 20 * 50 ms = 1sec
*/
+#define USB_MAX_AUTO_QUIRK 4 /* maximum number of dynamic
quirks */
+
typedef uint32_t usb_timeout_t; /* milliseconds */
typedef uint32_t usb_frlength_t; /* bytes */
typedef uint32_t usb_frcount_t; /* units */
=== sys/dev/usb/usb_msctest.c
==================================================================
--- sys/dev/usb/usb_msctest.c (revision 225095)
+++ sys/dev/usb/usb_msctest.c (local)
@@ -96,6 +96,8 @@
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00 };
static uint8_t scsi_tct_eject[] = { 0x06, 0xf5, 0x04, 0x02, 0x52, 0x70 };
+static uint8_t scsi_sync_cache[] = { 0x35, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00 };
#define BULK_SIZE 64 /* dummy */
#define ERR_CSW_FAILED -1
@@ -163,7 +165,7 @@
static void bbb_transfer_start(struct bbb_transfer *, uint8_t);
static void bbb_data_clear_stall_callback(struct usb_xfer *, uint8_t,
uint8_t);
-static uint8_t bbb_command_start(struct bbb_transfer *, uint8_t, uint8_t,
+static int bbb_command_start(struct bbb_transfer *, uint8_t, uint8_t,
void *, size_t, void *, size_t, usb_timeout_t);
static struct bbb_transfer *bbb_attach(struct usb_device *, uint8_t);
static void bbb_detach(struct bbb_transfer *);
@@ -454,7 +456,7 @@
* 0: Success
* Else: Failure
*------------------------------------------------------------------------*/
-static uint8_t
+static int
bbb_command_start(struct bbb_transfer *sc, uint8_t dir, uint8_t lun,
void *data_ptr, size_t data_len, void *cmd_ptr, size_t cmd_len,
usb_timeout_t data_timeout)
@@ -566,9 +568,10 @@
usb_iface_is_cdrom(struct usb_device *udev, uint8_t iface_index)
{
struct bbb_transfer *sc;
- usb_error_t err;
- uint8_t timeout, is_cdrom;
+ uint8_t timeout;
+ uint8_t is_cdrom;
uint8_t sid_type;
+ int err;
sc = bbb_attach(udev, iface_index);
if (sc == NULL)
@@ -595,6 +598,61 @@
}
usb_error_t
+usb_msc_auto_quirk(struct usb_device *udev, uint8_t iface_index)
+{
+ struct bbb_transfer *sc;
+ uint8_t timeout;
+ uint8_t is_no_direct;
+ uint8_t sid_type;
+ int err;
+
+ sc = bbb_attach(udev, iface_index);
+ if (sc == NULL)
+ return (0);
+
+ is_no_direct = 1;
+ timeout = 4; /* tries */
+ while (--timeout) {
+ err = bbb_command_start(sc, DIR_IN, 0, sc->buffer,
+ SCSI_INQ_LEN, &scsi_inquiry, sizeof(scsi_inquiry),
+ USB_MS_HZ);
+
+ if (err == 0 && sc->actlen > 0) {
+ sid_type = sc->buffer[0] & 0x1F;
+ if (sid_type == 0x00)
+ is_no_direct = 0;
+ break;
+ } else if (err != ERR_CSW_FAILED)
+ break; /* non retryable error */
+ usb_pause_mtx(NULL, hz);
+ }
+
+ if (is_no_direct) {
+ DPRINTF("Device is not direct access.\n");
+ goto done;
+ }
+
+ err = bbb_command_start(sc, DIR_IN, 0, NULL, 0,
+ &scsi_sync_cache, sizeof(scsi_sync_cache),
+ USB_MS_HZ);
+
+ if ((err != 0) && (err != ERR_CSW_FAILED)) {
+
+ DPRINTF("Device doesn't handle synchronize cache\n");
+
+ /* Need to re-enumerate the device */
+ usbd_req_re_enumerate(udev, NULL);
+
+ bbb_detach(sc);
+ return (USB_ERR_STALLED);
+ }
+
+ done:
+ bbb_detach(sc);
+ return (0);
+}
+
+usb_error_t
usb_msc_eject(struct usb_device *udev, uint8_t iface_index, int method)
{
struct bbb_transfer *sc;
=== sys/dev/usb/usb_msctest.h
==================================================================
--- sys/dev/usb/usb_msctest.h (revision 225095)
+++ sys/dev/usb/usb_msctest.h (local)
@@ -40,5 +40,7 @@
uint8_t iface_index);
usb_error_t usb_msc_eject(struct usb_device *udev,
uint8_t iface_index, int method);
+usb_error_t usb_msc_auto_quirk(struct usb_device *udev,
+ uint8_t iface_index);
#endif /* _USB_MSCTEST_H_ */
=== sys/dev/usb/usbdi.h
==================================================================
--- sys/dev/usb/usbdi.h (revision 225095)
+++ sys/dev/usb/usbdi.h (local)
@@ -353,6 +353,7 @@
uint16_t idVendor;
uint16_t idProduct;
uint16_t bcdDevice;
+ uint16_t autoQuirk[USB_MAX_AUTO_QUIRK];
uint8_t bDeviceClass;
uint8_t bDeviceSubClass;
uint8_t bDeviceProtocol;
@@ -475,6 +476,8 @@
void usb_pause_mtx(struct mtx *mtx, int _ticks);
usb_error_t usbd_set_pnpinfo(struct usb_device *udev,
uint8_t iface_index, const char *pnpinfo);
+usb_error_t usbd_add_dynamic_quirk(struct usb_device *udev,
+ uint16_t quirk);
const struct usb_device_id *usbd_lookup_id_by_info(
const struct usb_device_id *id, usb_size_t sizeof_id,
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