};
#define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1)
-static ccb usb_ccb __attribute__((aligned(ARCH_DMA_MINALIGN)));
+static struct scsi_cmd usb_ccb __aligned(ARCH_DMA_MINALIGN);
static __u32 CBWTag;
static int usb_max_devs; /* number of highest available usb device */
#endif
struct us_data;
-typedef int (*trans_cmnd)(ccb *cb, struct us_data *data);
+typedef int (*trans_cmnd)(struct scsi_cmd *cb, struct us_data *data);
typedef int (*trans_reset)(struct us_data *data);
struct us_data {
unsigned int irqpipe; /* pipe for release_irq */
unsigned char irqmaxp; /* max packed for irq Pipe */
unsigned char irqinterval; /* Intervall for IRQ Pipe */
- ccb *srb; /* current srb */
+ struct scsi_cmd *srb; /* current srb */
trans_reset transport_reset; /* reset routine */
trans_cmnd transport; /* transport routine */
+ unsigned short max_xfer_blk; /* maximum transfer blocks */
};
-#ifdef CONFIG_USB_EHCI
-/*
- * The U-Boot EHCI driver can handle any transfer length as long as there is
- * enough free heap space left, but the SCSI READ(10) and WRITE(10) commands are
- * limited to 65535 blocks.
- */
-#define USB_MAX_XFER_BLK 65535
-#else
-#define USB_MAX_XFER_BLK 20
-#endif
-
#ifndef CONFIG_BLK
static struct us_data usb_stor[USB_MAX_STOR_DEV];
#endif
usb_max_devs = 0;
}
-#ifndef CONFIG_DM_USB
/*******************************************************************************
* scan the usb and reports device info
* to the user if mode = 1
*/
int usb_stor_scan(int mode)
{
- unsigned char i;
-
if (mode == 1)
printf(" scanning usb for storage devices... ");
+#ifndef CONFIG_DM_USB
+ unsigned char i;
+
usb_disable_asynch(1); /* asynch transfer not allowed */
usb_stor_reset();
} /* for */
usb_disable_asynch(0); /* asynch transfer allowed */
+#endif
printf("%d Storage Device(s) found\n", usb_max_devs);
if (usb_max_devs > 0)
return 0;
return -1;
}
-#endif
static int usb_stor_irq(struct usb_device *dev)
{
#ifdef DEBUG
-static void usb_show_srb(ccb *pccb)
+static void usb_show_srb(struct scsi_cmd *pccb)
{
int i;
printf("SRB: len %d datalen 0x%lX\n ", pccb->cmdlen, pccb->datalen);
* Set up the command for a BBB device. Note that the actual SCSI
* command is copied into cbw.CBWCDB.
*/
-static int usb_stor_BBB_comdat(ccb *srb, struct us_data *us)
+static int usb_stor_BBB_comdat(struct scsi_cmd *srb, struct us_data *us)
{
int result;
int actlen;
/* FIXME: we also need a CBI_command which sets up the completion
* interrupt, and waits for it
*/
-static int usb_stor_CB_comdat(ccb *srb, struct us_data *us)
+static int usb_stor_CB_comdat(struct scsi_cmd *srb, struct us_data *us)
{
int result = 0;
int dir_in, retry;
}
-static int usb_stor_CBI_get_status(ccb *srb, struct us_data *us)
+static int usb_stor_CBI_get_status(struct scsi_cmd *srb, struct us_data *us)
{
int timeout;
/* clear a stall on an endpoint - special for BBB devices */
static int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt)
{
- int result;
-
/* ENDPOINT_HALT = 0, so set value to 0 */
- result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0),
- USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT,
- 0, endpt, NULL, 0, USB_CNTL_TIMEOUT * 5);
- return result;
+ return usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0),
+ USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, 0,
+ endpt, NULL, 0, USB_CNTL_TIMEOUT * 5);
}
-static int usb_stor_BBB_transport(ccb *srb, struct us_data *us)
+static int usb_stor_BBB_transport(struct scsi_cmd *srb, struct us_data *us)
{
int result, retry;
int dir_in;
return result;
}
-static int usb_stor_CB_transport(ccb *srb, struct us_data *us)
+static int usb_stor_CB_transport(struct scsi_cmd *srb, struct us_data *us)
{
int result, status;
- ccb *psrb;
- ccb reqsrb;
+ struct scsi_cmd *psrb;
+ struct scsi_cmd reqsrb;
int retry, notready;
psrb = &reqsrb;
return USB_STOR_TRANSPORT_FAILED;
}
+static void usb_stor_set_max_xfer_blk(struct usb_device *udev,
+ struct us_data *us)
+{
+ unsigned short blk;
+ size_t __maybe_unused size;
+ int __maybe_unused ret;
+
+#ifndef CONFIG_DM_USB
+#ifdef CONFIG_USB_EHCI_HCD
+ /*
+ * The U-Boot EHCI driver can handle any transfer length as long as
+ * there is enough free heap space left, but the SCSI READ(10) and
+ * WRITE(10) commands are limited to 65535 blocks.
+ */
+ blk = USHRT_MAX;
+#else
+ blk = 20;
+#endif
+#else
+ ret = usb_get_max_xfer_size(udev, (size_t *)&size);
+ if (ret < 0) {
+ /* unimplemented, let's use default 20 */
+ blk = 20;
+ } else {
+ if (size > USHRT_MAX * 512)
+ size = USHRT_MAX * 512;
+ blk = size / 512;
+ }
+#endif
+
+ us->max_xfer_blk = blk;
+}
-static int usb_inquiry(ccb *srb, struct us_data *ss)
+static int usb_inquiry(struct scsi_cmd *srb, struct us_data *ss)
{
int retry, i;
retry = 5;
return 0;
}
-static int usb_request_sense(ccb *srb, struct us_data *ss)
+static int usb_request_sense(struct scsi_cmd *srb, struct us_data *ss)
{
char *ptr;
return 0;
}
-static int usb_test_unit_ready(ccb *srb, struct us_data *ss)
+static int usb_test_unit_ready(struct scsi_cmd *srb, struct us_data *ss)
{
int retries = 10;
return -1;
}
-static int usb_read_capacity(ccb *srb, struct us_data *ss)
+static int usb_read_capacity(struct scsi_cmd *srb, struct us_data *ss)
{
int retry;
/* XXX retries */
return -1;
}
-static int usb_read_10(ccb *srb, struct us_data *ss, unsigned long start,
- unsigned short blocks)
+static int usb_read_10(struct scsi_cmd *srb, struct us_data *ss,
+ unsigned long start, unsigned short blocks)
{
memset(&srb->cmd[0], 0, 12);
srb->cmd[0] = SCSI_READ10;
return ss->transport(srb, ss);
}
-static int usb_write_10(ccb *srb, struct us_data *ss, unsigned long start,
- unsigned short blocks)
+static int usb_write_10(struct scsi_cmd *srb, struct us_data *ss,
+ unsigned long start, unsigned short blocks)
{
memset(&srb->cmd[0], 0, 12);
srb->cmd[0] = SCSI_WRITE10;
struct usb_device *udev;
struct us_data *ss;
int retry;
- ccb *srb = &usb_ccb;
+ struct scsi_cmd *srb = &usb_ccb;
#ifdef CONFIG_BLK
struct blk_desc *block_dev;
#endif
/* XXX need some comment here */
retry = 2;
srb->pdata = (unsigned char *)buf_addr;
- if (blks > USB_MAX_XFER_BLK)
- smallblks = USB_MAX_XFER_BLK;
+ if (blks > ss->max_xfer_blk)
+ smallblks = ss->max_xfer_blk;
else
smallblks = (unsigned short) blks;
retry_it:
- if (smallblks == USB_MAX_XFER_BLK)
+ if (smallblks == ss->max_xfer_blk)
usb_show_progress();
srb->datalen = block_dev->blksz * smallblks;
srb->pdata = (unsigned char *)buf_addr;
start, smallblks, buf_addr);
usb_disable_asynch(0); /* asynch transfer allowed */
- if (blkcnt >= USB_MAX_XFER_BLK)
+ if (blkcnt >= ss->max_xfer_blk)
debug("\n");
return blkcnt;
}
struct usb_device *udev;
struct us_data *ss;
int retry;
- ccb *srb = &usb_ccb;
+ struct scsi_cmd *srb = &usb_ccb;
#ifdef CONFIG_BLK
struct blk_desc *block_dev;
#endif
*/
retry = 2;
srb->pdata = (unsigned char *)buf_addr;
- if (blks > USB_MAX_XFER_BLK)
- smallblks = USB_MAX_XFER_BLK;
+ if (blks > ss->max_xfer_blk)
+ smallblks = ss->max_xfer_blk;
else
smallblks = (unsigned short) blks;
retry_it:
- if (smallblks == USB_MAX_XFER_BLK)
+ if (smallblks == ss->max_xfer_blk)
usb_show_progress();
srb->datalen = block_dev->blksz * smallblks;
srb->pdata = (unsigned char *)buf_addr;
PRIxPTR "\n", start, smallblks, buf_addr);
usb_disable_asynch(0); /* asynch transfer allowed */
- if (blkcnt >= USB_MAX_XFER_BLK)
+ if (blkcnt >= ss->max_xfer_blk)
debug("\n");
return blkcnt;
ss->irqmaxp = usb_maxpacket(dev, ss->irqpipe);
dev->irq_handle = usb_stor_irq;
}
+
+ /* Set the maximum transfer size per host controller setting */
+ usb_stor_set_max_xfer_blk(dev, ss);
+
dev->privptr = (void *)ss;
return 1;
}
ALLOC_CACHE_ALIGN_BUFFER(u32, cap, 2);
ALLOC_CACHE_ALIGN_BUFFER(u8, usb_stor_buf, 36);
u32 capacity, blksz;
- ccb *pccb = &usb_ccb;
+ struct scsi_cmd *pccb = &usb_ccb;
pccb->pdata = usb_stor_buf;
" Request Sense returned %02X %02X %02X\n",
pccb->sense_buf[2], pccb->sense_buf[12],
pccb->sense_buf[13]);
- if (dev_desc->removable == 1) {
+ if (dev_desc->removable == 1)
dev_desc->type = perq;
- return 1;
- }
return 0;
}
pccb->pdata = (unsigned char *)cap;
projects / people / ms / u-boot.git / blobdiff