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-rw-r--r--drivers/usb/storage/initializers.c14
-rw-r--r--drivers/usb/storage/option_ms.c127
-rw-r--r--drivers/usb/storage/sierra_ms.c2
-rw-r--r--drivers/usb/storage/transport.c2
-rw-r--r--drivers/usb/storage/unusual_devs.h9
5 files changed, 92 insertions, 62 deletions
diff --git a/drivers/usb/storage/initializers.c b/drivers/usb/storage/initializers.c
index 2dd9bd4bff56..ec17c96371af 100644
--- a/drivers/usb/storage/initializers.c
+++ b/drivers/usb/storage/initializers.c
@@ -52,7 +52,7 @@ int usb_stor_euscsi_init(struct us_data *us)
us->iobuf[0] = 0x1;
result = usb_stor_control_msg(us, us->send_ctrl_pipe,
0x0C, USB_RECIP_INTERFACE | USB_TYPE_VENDOR,
- 0x01, 0x0, us->iobuf, 0x1, 5*HZ);
+ 0x01, 0x0, us->iobuf, 0x1, 5000);
US_DEBUGP("-- result is %d\n", result);
return 0;
@@ -80,14 +80,16 @@ int usb_stor_ucr61s2b_init(struct us_data *us)
res = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, bcb,
US_BULK_CB_WRAP_LEN, &partial);
- if(res)
- return res;
+ if (res)
+ return -EIO;
US_DEBUGP("Getting status packet...\n");
res = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, bcs,
US_BULK_CS_WRAP_LEN, &partial);
+ if (res)
+ return -EIO;
- return (res ? -1 : 0);
+ return 0;
}
/* This places the HUAWEI E220 devices in multi-port mode */
@@ -99,6 +101,6 @@ int usb_stor_huawei_e220_init(struct us_data *us)
USB_REQ_SET_FEATURE,
USB_TYPE_STANDARD | USB_RECIP_DEVICE,
0x01, 0x0, NULL, 0x0, 1000);
- US_DEBUGP("usb_control_msg performing result is %d\n", result);
- return (result ? 0 : -1);
+ US_DEBUGP("Huawei mode set result is %d\n", result);
+ return (result ? 0 : -ENODEV);
}
diff --git a/drivers/usb/storage/option_ms.c b/drivers/usb/storage/option_ms.c
index 353f922939a4..773a5cd38c5a 100644
--- a/drivers/usb/storage/option_ms.c
+++ b/drivers/usb/storage/option_ms.c
@@ -37,7 +37,7 @@ MODULE_PARM_DESC(option_zero_cd, "ZeroCD mode (1=Force Modem (default),"
#define RESPONSE_LEN 1024
-static int option_rezero(struct us_data *us, int ep_in, int ep_out)
+static int option_rezero(struct us_data *us)
{
const unsigned char rezero_msg[] = {
0x55, 0x53, 0x42, 0x43, 0x78, 0x56, 0x34, 0x12,
@@ -54,10 +54,10 @@ static int option_rezero(struct us_data *us, int ep_in, int ep_out)
if (buffer == NULL)
return USB_STOR_TRANSPORT_ERROR;
- memcpy(buffer, rezero_msg, sizeof (rezero_msg));
+ memcpy(buffer, rezero_msg, sizeof(rezero_msg));
result = usb_stor_bulk_transfer_buf(us,
- usb_sndbulkpipe(us->pusb_dev, ep_out),
- buffer, sizeof (rezero_msg), NULL);
+ us->send_bulk_pipe,
+ buffer, sizeof(rezero_msg), NULL);
if (result != USB_STOR_XFER_GOOD) {
result = USB_STOR_XFER_ERROR;
goto out;
@@ -66,9 +66,15 @@ static int option_rezero(struct us_data *us, int ep_in, int ep_out)
/* Some of the devices need to be asked for a response, but we don't
* care what that response is.
*/
- result = usb_stor_bulk_transfer_buf(us,
- usb_sndbulkpipe(us->pusb_dev, ep_out),
+ usb_stor_bulk_transfer_buf(us,
+ us->recv_bulk_pipe,
buffer, RESPONSE_LEN, NULL);
+
+ /* Read the CSW */
+ usb_stor_bulk_transfer_buf(us,
+ us->recv_bulk_pipe,
+ buffer, 13, NULL);
+
result = USB_STOR_XFER_GOOD;
out:
@@ -76,63 +82,78 @@ out:
return result;
}
-int option_ms_init(struct us_data *us)
+static int option_inquiry(struct us_data *us)
{
- struct usb_device *udev;
- struct usb_interface *intf;
- struct usb_host_interface *iface_desc;
- struct usb_endpoint_descriptor *endpoint = NULL;
- u8 ep_in = 0, ep_out = 0;
- int ep_in_size = 0, ep_out_size = 0;
- int i, result;
-
- udev = us->pusb_dev;
- intf = us->pusb_intf;
-
- /* Ensure it's really a ZeroCD device; devices that are already
- * in modem mode return 0xFF for class, subclass, and protocol.
- */
- if (udev->descriptor.bDeviceClass != 0 ||
- udev->descriptor.bDeviceSubClass != 0 ||
- udev->descriptor.bDeviceProtocol != 0)
- return USB_STOR_TRANSPORT_GOOD;
+ const unsigned char inquiry_msg[] = {
+ 0x55, 0x53, 0x42, 0x43, 0x12, 0x34, 0x56, 0x78,
+ 0x24, 0x00, 0x00, 0x00, 0x80, 0x00, 0x06, 0x12,
+ 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ char *buffer;
+ int result;
- US_DEBUGP("Option MS: option_ms_init called\n");
+ US_DEBUGP("Option MS: %s", "device inquiry for vendor name\n");
- /* Find the right mass storage interface */
- iface_desc = intf->cur_altsetting;
- if (iface_desc->desc.bInterfaceClass != 0x8 ||
- iface_desc->desc.bInterfaceSubClass != 0x6 ||
- iface_desc->desc.bInterfaceProtocol != 0x50) {
- US_DEBUGP("Option MS: mass storage interface not found, no action "
- "required\n");
- return USB_STOR_TRANSPORT_GOOD;
- }
+ buffer = kzalloc(0x24, GFP_KERNEL);
+ if (buffer == NULL)
+ return USB_STOR_TRANSPORT_ERROR;
- /* Find the mass storage bulk endpoints */
- for (i = 0; i < iface_desc->desc.bNumEndpoints && (!ep_in_size || !ep_out_size); ++i) {
- endpoint = &iface_desc->endpoint[i].desc;
-
- if (usb_endpoint_is_bulk_in(endpoint)) {
- ep_in = usb_endpoint_num(endpoint);
- ep_in_size = le16_to_cpu(endpoint->wMaxPacketSize);
- } else if (usb_endpoint_is_bulk_out(endpoint)) {
- ep_out = usb_endpoint_num(endpoint);
- ep_out_size = le16_to_cpu(endpoint->wMaxPacketSize);
- }
+ memcpy(buffer, inquiry_msg, sizeof(inquiry_msg));
+ result = usb_stor_bulk_transfer_buf(us,
+ us->send_bulk_pipe,
+ buffer, sizeof(inquiry_msg), NULL);
+ if (result != USB_STOR_XFER_GOOD) {
+ result = USB_STOR_XFER_ERROR;
+ goto out;
}
- /* Can't find the mass storage endpoints */
- if (!ep_in_size || !ep_out_size) {
- US_DEBUGP("Option MS: mass storage endpoints not found, no action "
- "required\n");
- return USB_STOR_TRANSPORT_GOOD;
+ result = usb_stor_bulk_transfer_buf(us,
+ us->recv_bulk_pipe,
+ buffer, 0x24, NULL);
+ if (result != USB_STOR_XFER_GOOD) {
+ result = USB_STOR_XFER_ERROR;
+ goto out;
}
+ result = memcmp(buffer+8, "Option", 6);
+
+ if (result != 0)
+ result = memcmp(buffer+8, "ZCOPTION", 8);
+
+ /* Read the CSW */
+ usb_stor_bulk_transfer_buf(us,
+ us->recv_bulk_pipe,
+ buffer, 13, NULL);
+
+out:
+ kfree(buffer);
+ return result;
+}
+
+
+int option_ms_init(struct us_data *us)
+{
+ int result;
+
+ US_DEBUGP("Option MS: option_ms_init called\n");
+
+ /* Additional test for vendor information via INQUIRY,
+ * because some vendor/product IDs are ambiguous
+ */
+ result = option_inquiry(us);
+ if (result != 0) {
+ US_DEBUGP("Option MS: vendor is not Option or not determinable,"
+ " no action taken\n");
+ return 0;
+ } else
+ US_DEBUGP("Option MS: this is a genuine Option device,"
+ " proceeding\n");
+
/* Force Modem mode */
if (option_zero_cd == ZCD_FORCE_MODEM) {
US_DEBUGP("Option MS: %s", "Forcing Modem Mode\n");
- result = option_rezero(us, ep_in, ep_out);
+ result = option_rezero(us);
if (result != USB_STOR_XFER_GOOD)
US_DEBUGP("Option MS: Failed to switch to modem mode.\n");
return -EIO;
@@ -142,6 +163,6 @@ int option_ms_init(struct us_data *us)
" requests it\n");
}
- return USB_STOR_TRANSPORT_GOOD;
+ return 0;
}
diff --git a/drivers/usb/storage/sierra_ms.c b/drivers/usb/storage/sierra_ms.c
index 4359a2cb42df..4395c4100ec2 100644
--- a/drivers/usb/storage/sierra_ms.c
+++ b/drivers/usb/storage/sierra_ms.c
@@ -202,6 +202,6 @@ int sierra_ms_init(struct us_data *us)
complete:
result = device_create_file(&us->pusb_intf->dev, &dev_attr_truinst);
- return USB_STOR_TRANSPORT_GOOD;
+ return 0;
}
diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c
index fcb320217218..e20dc525d177 100644
--- a/drivers/usb/storage/transport.c
+++ b/drivers/usb/storage/transport.c
@@ -961,7 +961,7 @@ int usb_stor_Bulk_max_lun(struct us_data *us)
US_BULK_GET_MAX_LUN,
USB_DIR_IN | USB_TYPE_CLASS |
USB_RECIP_INTERFACE,
- 0, us->ifnum, us->iobuf, 1, HZ);
+ 0, us->ifnum, us->iobuf, 1, 10*HZ);
US_DEBUGP("GetMaxLUN command result is %d, data is %d\n",
result, us->iobuf[0]);
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 4b8b69045fe6..7477d411959f 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -838,6 +838,13 @@ UNUSUAL_DEV( 0x066f, 0x8000, 0x0001, 0x0001,
US_SC_DEVICE, US_PR_DEVICE, NULL,
US_FL_FIX_CAPACITY ),
+/* Reported by Rogerio Brito <rbrito@ime.usp.br> */
+UNUSUAL_DEV( 0x067b, 0x2317, 0x0001, 0x001,
+ "Prolific Technology, Inc.",
+ "Mass Storage Device",
+ US_SC_DEVICE, US_PR_DEVICE, NULL,
+ US_FL_NOT_LOCKABLE ),
+
/* Reported by Richard -=[]=- <micro_flyer@hotmail.com> */
/* Change to bcdDeviceMin (0x0100 to 0x0001) reported by
* Thomas Bartosik <tbartdev@gmx-topmail.de> */
@@ -1385,7 +1392,7 @@ UNUSUAL_DEV( 0x10d6, 0x2200, 0x0100, 0x0100,
UNUSUAL_DEV( 0x1186, 0x3e04, 0x0000, 0x0000,
"D-Link",
"USB Mass Storage",
- US_SC_DEVICE, US_PR_DEVICE, option_ms_init, 0),
+ US_SC_DEVICE, US_PR_DEVICE, option_ms_init, US_FL_IGNORE_DEVICE),
/* Reported by Kevin Lloyd <linux@sierrawireless.com>
* Entry is needed for the initializer function override,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.