staging/keucr: fix keucr transport coding style
fix keucr transport.c transport.h coding style Signed-off-by: Cho, Yu-Chen <acho@novell.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Cho, Yu-Chen
Greg Kroah-Hartman
parent
ece114aa78
commit
3aa4fc587d
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@ -15,7 +15,9 @@
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/***********************************************************************
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* Data transfer routines
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***********************************************************************/
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//----- usb_stor_blocking_completion() ---------------------
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/*
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* usb_stor_blocking_completion()
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*/
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static void usb_stor_blocking_completion(struct urb *urb)
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{
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struct completion *urb_done_ptr = urb->context;
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@ -24,7 +26,9 @@ static void usb_stor_blocking_completion(struct urb *urb)
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complete(urb_done_ptr);
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}
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//----- usb_stor_msg_common() ---------------------
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/*
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* usb_stor_msg_common()
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*/
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static int usb_stor_msg_common(struct us_data *us, int timeout)
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{
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struct completion urb_done;
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@ -54,20 +58,18 @@ static int usb_stor_msg_common(struct us_data *us, int timeout)
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set_bit(US_FLIDX_URB_ACTIVE, &us->dflags);
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if (test_bit(US_FLIDX_ABORTING, &us->dflags))
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{
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if (test_and_clear_bit(US_FLIDX_URB_ACTIVE, &us->dflags))
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{
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if (test_bit(US_FLIDX_ABORTING, &us->dflags)) {
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if (test_and_clear_bit(US_FLIDX_URB_ACTIVE, &us->dflags)) {
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/* pr_info("-- cancelling URB\n"); */
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usb_unlink_urb(us->current_urb);
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}
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}
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timeleft = wait_for_completion_interruptible_timeout(&urb_done, timeout ? : MAX_SCHEDULE_TIMEOUT);
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timeleft = wait_for_completion_interruptible_timeout(&urb_done,
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timeout ? : MAX_SCHEDULE_TIMEOUT);
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clear_bit(US_FLIDX_URB_ACTIVE, &us->dflags);
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if (timeleft <= 0)
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{
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if (timeleft <= 0) {
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/* pr_info("%s -- cancelling URB\n",
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timeleft == 0 ? "Timeout" : "Signal"); */
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usb_kill_urb(us->current_urb);
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@ -76,7 +78,9 @@ static int usb_stor_msg_common(struct us_data *us, int timeout)
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return us->current_urb->status;
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}
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//----- usb_stor_control_msg() ---------------------
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/*
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* usb_stor_control_msg()
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*/
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int usb_stor_control_msg(struct us_data *us, unsigned int pipe,
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u8 request, u8 requesttype, u16 value, u16 index,
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void *data, u16 size, int timeout)
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@ -94,7 +98,7 @@ int usb_stor_control_msg(struct us_data *us, unsigned int pipe,
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/* fill and submit the URB */
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usb_fill_control_urb(us->current_urb, us->pusb_dev, pipe,
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(unsigned char*) us->cr, data, size,
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(unsigned char *) us->cr, data, size,
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usb_stor_blocking_completion, NULL);
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status = usb_stor_msg_common(us, timeout);
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@ -104,14 +108,16 @@ int usb_stor_control_msg(struct us_data *us, unsigned int pipe,
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return status;
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}
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//----- usb_stor_clear_halt() ---------------------
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/*
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* usb_stor_clear_halt()
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*/
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int usb_stor_clear_halt(struct us_data *us, unsigned int pipe)
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{
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int result;
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int endp = usb_pipeendpoint(pipe);
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/* pr_info("transport --- usb_stor_clear_halt\n"); */
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if (usb_pipein (pipe))
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if (usb_pipein(pipe))
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endp |= USB_DIR_IN;
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result = usb_stor_control_msg(us, us->send_ctrl_pipe,
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@ -121,13 +127,16 @@ int usb_stor_clear_halt(struct us_data *us, unsigned int pipe)
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/* reset the endpoint toggle */
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if (result >= 0)
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//usb_settoggle(us->pusb_dev, usb_pipeendpoint(pipe), usb_pipeout(pipe), 0);
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usb_reset_endpoint(us->pusb_dev, endp);
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/* usb_settoggle(us->pusb_dev, usb_pipeendpoint(pipe),
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usb_pipeout(pipe), 0); */
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usb_reset_endpoint(us->pusb_dev, endp);
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return result;
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}
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//----- interpret_urb_result() ---------------------
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/*
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* interpret_urb_result()
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*/
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static int interpret_urb_result(struct us_data *us, unsigned int pipe,
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unsigned int length, int result, unsigned int partial)
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{
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@ -135,16 +144,14 @@ static int interpret_urb_result(struct us_data *us, unsigned int pipe,
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switch (result) {
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/* no error code; did we send all the data? */
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case 0:
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if (partial != length)
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{
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if (partial != length) {
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/* pr_info("-- short transfer\n"); */
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return USB_STOR_XFER_SHORT;
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}
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/* pr_info("-- transfer complete\n"); */
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return USB_STOR_XFER_GOOD;
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case -EPIPE:
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if (usb_pipecontrol(pipe))
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{
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if (usb_pipecontrol(pipe)) {
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/* pr_info("-- stall on control pipe\n"); */
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return USB_STOR_XFER_STALLED;
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}
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@ -170,7 +177,9 @@ static int interpret_urb_result(struct us_data *us, unsigned int pipe,
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}
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}
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//----- usb_stor_bulk_transfer_buf() ---------------------
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/*
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* usb_stor_bulk_transfer_buf()
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*/
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int usb_stor_bulk_transfer_buf(struct us_data *us, unsigned int pipe,
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void *buf, unsigned int length, unsigned int *act_len)
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{
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@ -179,17 +188,21 @@ int usb_stor_bulk_transfer_buf(struct us_data *us, unsigned int pipe,
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/* pr_info("transport --- usb_stor_bulk_transfer_buf\n"); */
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/* fill and submit the URB */
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usb_fill_bulk_urb(us->current_urb, us->pusb_dev, pipe, buf, length, usb_stor_blocking_completion, NULL);
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usb_fill_bulk_urb(us->current_urb, us->pusb_dev, pipe, buf,
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length, usb_stor_blocking_completion, NULL);
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result = usb_stor_msg_common(us, 0);
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/* store the actual length of the data transferred */
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if (act_len)
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*act_len = us->current_urb->actual_length;
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return interpret_urb_result(us, pipe, length, result, us->current_urb->actual_length);
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return interpret_urb_result(us, pipe, length, result,
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us->current_urb->actual_length);
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}
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//----- usb_stor_bulk_transfer_sglist() ---------------------
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/*
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* usb_stor_bulk_transfer_sglist()
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*/
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static int usb_stor_bulk_transfer_sglist(struct us_data *us, unsigned int pipe,
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struct scatterlist *sg, int num_sg, unsigned int length,
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unsigned int *act_len)
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@ -201,22 +214,21 @@ static int usb_stor_bulk_transfer_sglist(struct us_data *us, unsigned int pipe,
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return USB_STOR_XFER_ERROR;
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/* initialize the scatter-gather request block */
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result = usb_sg_init(&us->current_sg, us->pusb_dev, pipe, 0, sg, num_sg, length, GFP_NOIO);
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if (result)
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{
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result = usb_sg_init(&us->current_sg, us->pusb_dev, pipe, 0,
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sg, num_sg, length, GFP_NOIO);
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if (result) {
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/* pr_info("usb_sg_init returned %d\n", result); */
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return USB_STOR_XFER_ERROR;
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}
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/* since the block has been initialized successfully, it's now okay to cancel it */
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/* since the block has been initialized successfully,
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it's now okay to cancel it */
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set_bit(US_FLIDX_SG_ACTIVE, &us->dflags);
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/* did an abort/disconnect occur during the submission? */
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if (test_bit(US_FLIDX_ABORTING, &us->dflags))
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{
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if (test_bit(US_FLIDX_ABORTING, &us->dflags)) {
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/* cancel the request, if it hasn't been cancelled already */
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if (test_and_clear_bit(US_FLIDX_SG_ACTIVE, &us->dflags))
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{
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if (test_and_clear_bit(US_FLIDX_SG_ACTIVE, &us->dflags)) {
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/* pr_info("-- cancelling sg request\n"); */
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usb_sg_cancel(&us->current_sg);
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}
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@ -230,11 +242,15 @@ static int usb_stor_bulk_transfer_sglist(struct us_data *us, unsigned int pipe,
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if (act_len)
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*act_len = us->current_sg.bytes;
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return interpret_urb_result(us, pipe, length, result, us->current_sg.bytes);
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return interpret_urb_result(us, pipe, length,
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result, us->current_sg.bytes);
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}
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//----- usb_stor_bulk_srb() ---------------------
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int usb_stor_bulk_srb(struct us_data* us, unsigned int pipe, struct scsi_cmnd* srb)
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/*
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* usb_stor_bulk_srb()
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*/
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int usb_stor_bulk_srb(struct us_data *us, unsigned int pipe,
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struct scsi_cmnd *srb)
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{
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unsigned int partial;
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int result = usb_stor_bulk_transfer_sglist(us, pipe, scsi_sglist(srb),
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@ -245,8 +261,10 @@ int usb_stor_bulk_srb(struct us_data* us, unsigned int pipe, struct scsi_cmnd* s
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return result;
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}
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//----- usb_stor_bulk_transfer_sg() ---------------------
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int usb_stor_bulk_transfer_sg(struct us_data* us, unsigned int pipe,
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/*
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* usb_stor_bulk_transfer_sg()
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*/
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int usb_stor_bulk_transfer_sg(struct us_data *us, unsigned int pipe,
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void *buf, unsigned int length_left, int use_sg, int *residual)
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{
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int result;
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@ -254,18 +272,16 @@ int usb_stor_bulk_transfer_sg(struct us_data* us, unsigned int pipe,
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/* pr_info("transport --- usb_stor_bulk_transfer_sg\n"); */
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/* are we scatter-gathering? */
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if (use_sg)
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{
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if (use_sg) {
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/* use the usb core scatter-gather primitives */
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result = usb_stor_bulk_transfer_sglist(us, pipe,
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(struct scatterlist *) buf, use_sg,
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length_left, &partial);
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length_left -= partial;
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}
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else
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{
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} else {
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/* no scatter-gather, just make the request */
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result = usb_stor_bulk_transfer_buf(us, pipe, buf, length_left, &partial);
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result = usb_stor_bulk_transfer_buf(us, pipe, buf,
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length_left, &partial);
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length_left -= partial;
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}
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@ -278,7 +294,9 @@ int usb_stor_bulk_transfer_sg(struct us_data* us, unsigned int pipe,
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/***********************************************************************
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* Transport routines
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***********************************************************************/
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//----- usb_stor_invoke_transport() ---------------------
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/*
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* usb_stor_invoke_transport()
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*/
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void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)
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{
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int need_auto_sense;
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@ -288,27 +306,25 @@ void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)
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usb_stor_print_cmd(srb);
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/* send the command to the transport layer */
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scsi_set_resid(srb, 0);
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result = us->transport(srb, us); //usb_stor_Bulk_transport;
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/* if the command gets aborted by the higher layers, we need to short-circuit all other processing */
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if (test_bit(US_FLIDX_TIMED_OUT, &us->dflags))
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{
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result = us->transport(srb, us); /* usb_stor_Bulk_transport; */
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/* if the command gets aborted by the higher layers,
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we need to short-circuit all other processing */
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if (test_bit(US_FLIDX_TIMED_OUT, &us->dflags)) {
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/* pr_info("-- command was aborted\n"); */
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srb->result = DID_ABORT << 16;
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goto Handle_Errors;
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}
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/* if there is a transport error, reset and don't auto-sense */
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if (result == USB_STOR_TRANSPORT_ERROR)
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{
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if (result == USB_STOR_TRANSPORT_ERROR) {
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/* pr_info("-- transport indicates error, resetting\n"); */
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srb->result = DID_ERROR << 16;
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goto Handle_Errors;
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}
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/* if the transport provided its own sense data, don't auto-sense */
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if (result == USB_STOR_TRANSPORT_NO_SENSE)
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{
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if (result == USB_STOR_TRANSPORT_NO_SENSE) {
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srb->result = SAM_STAT_CHECK_CONDITION;
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return;
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}
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@ -318,21 +334,19 @@ void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)
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/* Determine if we need to auto-sense */
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need_auto_sense = 0;
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if ((us->protocol == USB_PR_CB || us->protocol == USB_PR_DPCM_USB) && srb->sc_data_direction != DMA_FROM_DEVICE)
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{
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if ((us->protocol == USB_PR_CB || us->protocol == USB_PR_DPCM_USB) &&
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srb->sc_data_direction != DMA_FROM_DEVICE) {
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/* pr_info("-- CB transport device requiring auto-sense\n"); */
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need_auto_sense = 1;
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}
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if (result == USB_STOR_TRANSPORT_FAILED)
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{
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if (result == USB_STOR_TRANSPORT_FAILED) {
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/* pr_info("-- transport indicates command failure\n"); */
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need_auto_sense = 1;
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}
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/* Now, if we need to do the auto-sense, let's do it */
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if (need_auto_sense)
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{
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if (need_auto_sense) {
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int temp_result;
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struct scsi_eh_save ses;
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@ -341,11 +355,13 @@ void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)
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scsi_eh_prep_cmnd(srb, &ses, NULL, 0, US_SENSE_SIZE);
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/* we must do the protocol translation here */
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if (us->subclass == USB_SC_RBC || us->subclass == USB_SC_SCSI || us->subclass == USB_SC_CYP_ATACB)
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if (us->subclass == USB_SC_RBC ||
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us->subclass == USB_SC_SCSI ||
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us->subclass == USB_SC_CYP_ATACB) {
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srb->cmd_len = 6;
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else
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} else {
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srb->cmd_len = 12;
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}
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/* issue the auto-sense command */
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scsi_set_resid(srb, 0);
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temp_result = us->transport(us->srb, us);
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@ -353,14 +369,12 @@ void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)
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/* let's clean up right away */
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scsi_eh_restore_cmnd(srb, &ses);
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if (test_bit(US_FLIDX_TIMED_OUT, &us->dflags))
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{
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if (test_bit(US_FLIDX_TIMED_OUT, &us->dflags)) {
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/* pr_info("-- auto-sense aborted\n"); */
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srb->result = DID_ABORT << 16;
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goto Handle_Errors;
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}
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if (temp_result != USB_STOR_TRANSPORT_GOOD)
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{
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if (temp_result != USB_STOR_TRANSPORT_GOOD) {
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/* pr_info("-- auto-sense failure\n"); */
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srb->result = DID_ERROR << 16;
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if (!(us->fflags & US_FL_SCM_MULT_TARG))
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@ -374,16 +388,17 @@ void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)
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if (result == USB_STOR_TRANSPORT_GOOD &&
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(srb->sense_buffer[2] & 0xaf) == 0 &&
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srb->sense_buffer[12] == 0 &&
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srb->sense_buffer[13] == 0)
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{
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srb->sense_buffer[13] == 0) {
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srb->result = SAM_STAT_GOOD;
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srb->sense_buffer[0] = 0x0;
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}
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}
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/* Did we transfer less than the minimum amount required? */
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if (srb->result == SAM_STAT_GOOD && scsi_bufflen(srb) - scsi_get_resid(srb) < srb->underflow)
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srb->result = (DID_ERROR << 16);//v02 | (SUGGEST_RETRY << 24);
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if (srb->result == SAM_STAT_GOOD && scsi_bufflen(srb) -
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scsi_get_resid(srb) < srb->underflow)
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srb->result = (DID_ERROR << 16);
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/* v02 | (SUGGEST_RETRY << 24); */
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return;
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@ -397,8 +412,7 @@ Handle_Errors:
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result = usb_stor_port_reset(us);
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mutex_lock(&us->dev_mutex);
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if (result < 0)
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{
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if (result < 0) {
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scsi_lock(us_to_host(us));
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usb_stor_report_device_reset(us);
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scsi_unlock(us_to_host(us));
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@ -407,10 +421,12 @@ Handle_Errors:
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clear_bit(US_FLIDX_RESETTING, &us->dflags);
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}
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//----- ENE_stor_invoke_transport() ---------------------
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/*
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* ENE_stor_invoke_transport()
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*/
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void ENE_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)
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{
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int result=0;
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int result = 0;
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/* pr_info("transport --- ENE_stor_invoke_transport\n"); */
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usb_stor_print_cmd(srb);
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@ -418,50 +434,51 @@ void ENE_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)
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scsi_set_resid(srb, 0);
|
||||
if (!(us->MS_Status.Ready || us->SM_Status.Ready))
|
||||
result = ENE_InitMedia(us);
|
||||
|
||||
|
||||
if (us->Power_IsResum == true) {
|
||||
result = ENE_InitMedia(us);
|
||||
us->Power_IsResum = false;
|
||||
}
|
||||
|
||||
if (us->MS_Status.Ready) result = MS_SCSIIrp(us, srb);
|
||||
if (us->SM_Status.Ready) result = SM_SCSIIrp(us, srb);
|
||||
us->Power_IsResum = false;
|
||||
}
|
||||
|
||||
/* if the command gets aborted by the higher layers, we need to short-circuit all other processing */
|
||||
if (test_bit(US_FLIDX_TIMED_OUT, &us->dflags))
|
||||
{
|
||||
if (us->MS_Status.Ready)
|
||||
result = MS_SCSIIrp(us, srb);
|
||||
if (us->SM_Status.Ready)
|
||||
result = SM_SCSIIrp(us, srb);
|
||||
|
||||
/* if the command gets aborted by the higher layers,
|
||||
we need to short-circuit all other processing */
|
||||
if (test_bit(US_FLIDX_TIMED_OUT, &us->dflags)) {
|
||||
/* pr_info("-- command was aborted\n"); */
|
||||
srb->result = DID_ABORT << 16;
|
||||
goto Handle_Errors;
|
||||
}
|
||||
|
||||
/* if there is a transport error, reset and don't auto-sense */
|
||||
if (result == USB_STOR_TRANSPORT_ERROR)
|
||||
{
|
||||
if (result == USB_STOR_TRANSPORT_ERROR) {
|
||||
/* pr_info("-- transport indicates error, resetting\n"); */
|
||||
srb->result = DID_ERROR << 16;
|
||||
goto Handle_Errors;
|
||||
}
|
||||
|
||||
/* if the transport provided its own sense data, don't auto-sense */
|
||||
if (result == USB_STOR_TRANSPORT_NO_SENSE)
|
||||
{
|
||||
if (result == USB_STOR_TRANSPORT_NO_SENSE) {
|
||||
srb->result = SAM_STAT_CHECK_CONDITION;
|
||||
return;
|
||||
}
|
||||
|
||||
srb->result = SAM_STAT_GOOD;
|
||||
if (result == USB_STOR_TRANSPORT_FAILED)
|
||||
{
|
||||
if (result == USB_STOR_TRANSPORT_FAILED) {
|
||||
/* pr_info("-- transport indicates command failure\n"); */
|
||||
//need_auto_sense = 1;
|
||||
/* need_auto_sense = 1; */
|
||||
BuildSenseBuffer(srb, us->SrbStatus);
|
||||
srb->result = SAM_STAT_CHECK_CONDITION;
|
||||
}
|
||||
|
||||
/* Did we transfer less than the minimum amount required? */
|
||||
if (srb->result == SAM_STAT_GOOD && scsi_bufflen(srb) - scsi_get_resid(srb) < srb->underflow)
|
||||
srb->result = (DID_ERROR << 16);//v02 | (SUGGEST_RETRY << 24);
|
||||
if (srb->result == SAM_STAT_GOOD && scsi_bufflen(srb) -
|
||||
scsi_get_resid(srb) < srb->underflow)
|
||||
srb->result = (DID_ERROR << 16);
|
||||
/* v02 | (SUGGEST_RETRY << 24); */
|
||||
|
||||
return;
|
||||
|
||||
|
|
@ -475,8 +492,7 @@ Handle_Errors:
|
|||
result = usb_stor_port_reset(us);
|
||||
mutex_lock(&us->dev_mutex);
|
||||
|
||||
if (result < 0)
|
||||
{
|
||||
if (result < 0) {
|
||||
scsi_lock(us_to_host(us));
|
||||
usb_stor_report_device_reset(us);
|
||||
scsi_unlock(us_to_host(us));
|
||||
|
|
@ -485,47 +501,58 @@ Handle_Errors:
|
|||
clear_bit(US_FLIDX_RESETTING, &us->dflags);
|
||||
}
|
||||
|
||||
//----- BuildSenseBuffer() -------------------------------------------
|
||||
/*
|
||||
* BuildSenseBuffer()
|
||||
*/
|
||||
void BuildSenseBuffer(struct scsi_cmnd *srb, int SrbStatus)
|
||||
{
|
||||
BYTE *buf = srb->sense_buffer;
|
||||
BYTE asc;
|
||||
BYTE *buf = srb->sense_buffer;
|
||||
BYTE asc;
|
||||
|
||||
pr_info("transport --- BuildSenseBuffer\n");
|
||||
switch (SrbStatus)
|
||||
{
|
||||
case SS_NOT_READY: asc = 0x3a; break; // sense key = 0x02
|
||||
case SS_MEDIUM_ERR: asc = 0x0c; break; // sense key = 0x03
|
||||
case SS_ILLEGAL_REQUEST: asc = 0x20; break; // sense key = 0x05
|
||||
default: asc = 0x00; break; // ??
|
||||
}
|
||||
switch (SrbStatus) {
|
||||
case SS_NOT_READY:
|
||||
asc = 0x3a;
|
||||
break; /* sense key = 0x02 */
|
||||
case SS_MEDIUM_ERR:
|
||||
asc = 0x0c;
|
||||
break; /* sense key = 0x03 */
|
||||
case SS_ILLEGAL_REQUEST:
|
||||
asc = 0x20;
|
||||
break; /* sense key = 0x05 */
|
||||
default:
|
||||
asc = 0x00;
|
||||
break; /* ?? */
|
||||
}
|
||||
|
||||
memset(buf, 0, 18);
|
||||
buf[0x00] = 0xf0;
|
||||
buf[0x02] = SrbStatus;
|
||||
buf[0x07] = 0x0b;
|
||||
buf[0x0c] = asc;
|
||||
memset(buf, 0, 18);
|
||||
buf[0x00] = 0xf0;
|
||||
buf[0x02] = SrbStatus;
|
||||
buf[0x07] = 0x0b;
|
||||
buf[0x0c] = asc;
|
||||
}
|
||||
|
||||
//----- usb_stor_stop_transport() ---------------------
|
||||
/*
|
||||
* usb_stor_stop_transport()
|
||||
*/
|
||||
void usb_stor_stop_transport(struct us_data *us)
|
||||
{
|
||||
/* pr_info("transport --- usb_stor_stop_transport\n"); */
|
||||
|
||||
if (test_and_clear_bit(US_FLIDX_URB_ACTIVE, &us->dflags))
|
||||
{
|
||||
if (test_and_clear_bit(US_FLIDX_URB_ACTIVE, &us->dflags)) {
|
||||
/* pr_info("-- cancelling URB\n"); */
|
||||
usb_unlink_urb(us->current_urb);
|
||||
}
|
||||
|
||||
if (test_and_clear_bit(US_FLIDX_SG_ACTIVE, &us->dflags))
|
||||
{
|
||||
if (test_and_clear_bit(US_FLIDX_SG_ACTIVE, &us->dflags)) {
|
||||
/* pr_info("-- cancelling sg request\n"); */
|
||||
usb_sg_cancel(&us->current_sg);
|
||||
}
|
||||
}
|
||||
|
||||
//----- usb_stor_Bulk_max_lun() ---------------------
|
||||
/*
|
||||
* usb_stor_Bulk_max_lun()
|
||||
*/
|
||||
int usb_stor_Bulk_max_lun(struct us_data *us)
|
||||
{
|
||||
int result;
|
||||
|
|
@ -549,7 +576,9 @@ int usb_stor_Bulk_max_lun(struct us_data *us)
|
|||
return 0;
|
||||
}
|
||||
|
||||
//----- usb_stor_Bulk_transport() ---------------------
|
||||
/*
|
||||
* usb_stor_Bulk_transport()
|
||||
*/
|
||||
int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us)
|
||||
{
|
||||
struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
|
||||
|
|
@ -563,8 +592,7 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us)
|
|||
|
||||
/* pr_info("transport --- usb_stor_Bulk_transport\n"); */
|
||||
/* Take care of BULK32 devices; set extra byte to 0 */
|
||||
if (unlikely(us->fflags & US_FL_BULK32))
|
||||
{
|
||||
if (unlikely(us->fflags & US_FL_BULK32)) {
|
||||
cbwlen = 32;
|
||||
us->iobuf[31] = 0;
|
||||
}
|
||||
|
|
@ -583,14 +611,15 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us)
|
|||
memset(bcb->CDB, 0, sizeof(bcb->CDB));
|
||||
memcpy(bcb->CDB, srb->cmnd, bcb->Length);
|
||||
|
||||
// send command
|
||||
/* send command */
|
||||
/* send it to out endpoint */
|
||||
/* pr_info("Bulk Command S 0x%x T 0x%x L %d F %d Trg %d LUN %d CL %d\n",
|
||||
le32_to_cpu(bcb->Signature), bcb->Tag,
|
||||
le32_to_cpu(bcb->DataTransferLength), bcb->Flags,
|
||||
(bcb->Lun >> 4), (bcb->Lun & 0x0F),
|
||||
bcb->Length); */
|
||||
result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, bcb, cbwlen, NULL);
|
||||
result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,
|
||||
bcb, cbwlen, NULL);
|
||||
/* pr_info("Bulk command transfer result=%d\n", result); */
|
||||
if (result != USB_STOR_XFER_GOOD)
|
||||
return USB_STOR_TRANSPORT_ERROR;
|
||||
|
|
@ -598,10 +627,10 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us)
|
|||
if (unlikely(us->fflags & US_FL_GO_SLOW))
|
||||
udelay(125);
|
||||
|
||||
// R/W data
|
||||
if (transfer_length)
|
||||
{
|
||||
unsigned int pipe = srb->sc_data_direction == DMA_FROM_DEVICE ? us->recv_bulk_pipe : us->send_bulk_pipe;
|
||||
/* R/W data */
|
||||
if (transfer_length) {
|
||||
unsigned int pipe = srb->sc_data_direction ==
|
||||
DMA_FROM_DEVICE ? us->recv_bulk_pipe : us->send_bulk_pipe;
|
||||
result = usb_stor_bulk_srb(us, pipe, srb);
|
||||
/* pr_info("Bulk data transfer result 0x%x\n", result); */
|
||||
if (result == USB_STOR_XFER_ERROR)
|
||||
|
|
@ -613,20 +642,21 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us)
|
|||
|
||||
/* get CSW for device status */
|
||||
/* pr_info("Attempting to get CSW...\n"); */
|
||||
result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, bcs, US_BULK_CS_WRAP_LEN, &cswlen);
|
||||
result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, bcs,
|
||||
US_BULK_CS_WRAP_LEN, &cswlen);
|
||||
|
||||
if (result == USB_STOR_XFER_SHORT && cswlen == 0)
|
||||
{
|
||||
if (result == USB_STOR_XFER_SHORT && cswlen == 0) {
|
||||
/* pr_info("Received 0-length CSW; retrying...\n"); */
|
||||
result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, bcs, US_BULK_CS_WRAP_LEN, &cswlen);
|
||||
result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, bcs,
|
||||
US_BULK_CS_WRAP_LEN, &cswlen);
|
||||
}
|
||||
|
||||
/* did the attempt to read the CSW fail? */
|
||||
if (result == USB_STOR_XFER_STALLED)
|
||||
{
|
||||
if (result == USB_STOR_XFER_STALLED) {
|
||||
/* get the status again */
|
||||
/* pr_info("Attempting to get CSW (2nd try)...\n"); */
|
||||
result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, bcs, US_BULK_CS_WRAP_LEN, NULL);
|
||||
result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, bcs,
|
||||
US_BULK_CS_WRAP_LEN, NULL);
|
||||
}
|
||||
|
||||
/* if we still have a failure at this point, we're in trouble */
|
||||
|
|
@ -639,21 +669,19 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us)
|
|||
/* pr_info("Bulk Status S 0x%x T 0x%x R %u Stat 0x%x\n",
|
||||
le32_to_cpu(bcs->Signature),
|
||||
bcs->Tag, residue, bcs->Status); */
|
||||
if (!(bcs->Tag == us->tag || (us->fflags & US_FL_BULK_IGNORE_TAG)) || bcs->Status > US_BULK_STAT_PHASE)
|
||||
{
|
||||
if (!(bcs->Tag == us->tag ||
|
||||
(us->fflags & US_FL_BULK_IGNORE_TAG)) ||
|
||||
bcs->Status > US_BULK_STAT_PHASE) {
|
||||
/* pr_info("Bulk logical error\n"); */
|
||||
return USB_STOR_TRANSPORT_ERROR;
|
||||
}
|
||||
|
||||
if (!us->bcs_signature)
|
||||
{
|
||||
if (!us->bcs_signature) {
|
||||
us->bcs_signature = bcs->Signature;
|
||||
//if (us->bcs_signature != cpu_to_le32(US_BULK_CS_SIGN))
|
||||
/* if (us->bcs_signature != cpu_to_le32(US_BULK_CS_SIGN)) */
|
||||
/* pr_info("Learnt BCS signature 0x%08X\n",
|
||||
le32_to_cpu(us->bcs_signature)); */
|
||||
}
|
||||
else if (bcs->Signature != us->bcs_signature)
|
||||
{
|
||||
} else if (bcs->Signature != us->bcs_signature) {
|
||||
/* pr_info("Signature mismatch: got %08X, expecting %08X\n",
|
||||
le32_to_cpu(bcs->Signature),
|
||||
le32_to_cpu(us->bcs_signature)); */
|
||||
|
|
@ -662,8 +690,7 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us)
|
|||
|
||||
/* try to compute the actual residue, based on how much data
|
||||
* was really transferred and what the device tells us */
|
||||
if (residue && !(us->fflags & US_FL_IGNORE_RESIDUE))
|
||||
{
|
||||
if (residue && !(us->fflags & US_FL_IGNORE_RESIDUE)) {
|
||||
|
||||
/* Heuristically detect devices that generate bogus residues
|
||||
* by seeing what happens with INQUIRY and READ CAPACITY
|
||||
|
|
@ -674,34 +701,31 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us)
|
|||
((srb->cmnd[0] == INQUIRY &&
|
||||
transfer_length == 36) ||
|
||||
(srb->cmnd[0] == READ_CAPACITY &&
|
||||
transfer_length == 8)))
|
||||
{
|
||||
transfer_length == 8))) {
|
||||
us->fflags |= US_FL_IGNORE_RESIDUE;
|
||||
|
||||
}
|
||||
else
|
||||
{
|
||||
} else {
|
||||
residue = min(residue, transfer_length);
|
||||
scsi_set_resid(srb, max(scsi_get_resid(srb), (int) residue));
|
||||
scsi_set_resid(srb, max(scsi_get_resid(srb),
|
||||
(int) residue));
|
||||
}
|
||||
}
|
||||
|
||||
/* based on the status code, we report good or bad */
|
||||
switch (bcs->Status)
|
||||
{
|
||||
case US_BULK_STAT_OK:
|
||||
if (fake_sense)
|
||||
{
|
||||
memcpy(srb->sense_buffer, usb_stor_sense_invalidCDB, sizeof(usb_stor_sense_invalidCDB));
|
||||
return USB_STOR_TRANSPORT_NO_SENSE;
|
||||
}
|
||||
return USB_STOR_TRANSPORT_GOOD;
|
||||
switch (bcs->Status) {
|
||||
case US_BULK_STAT_OK:
|
||||
if (fake_sense) {
|
||||
memcpy(srb->sense_buffer, usb_stor_sense_invalidCDB,
|
||||
sizeof(usb_stor_sense_invalidCDB));
|
||||
return USB_STOR_TRANSPORT_NO_SENSE;
|
||||
}
|
||||
return USB_STOR_TRANSPORT_GOOD;
|
||||
|
||||
case US_BULK_STAT_FAIL:
|
||||
return USB_STOR_TRANSPORT_FAILED;
|
||||
case US_BULK_STAT_FAIL:
|
||||
return USB_STOR_TRANSPORT_FAILED;
|
||||
|
||||
case US_BULK_STAT_PHASE:
|
||||
return USB_STOR_TRANSPORT_ERROR;
|
||||
case US_BULK_STAT_PHASE:
|
||||
return USB_STOR_TRANSPORT_ERROR;
|
||||
}
|
||||
return USB_STOR_TRANSPORT_ERROR;
|
||||
}
|
||||
|
|
@ -709,7 +733,9 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us)
|
|||
/***********************************************************************
|
||||
* Reset routines
|
||||
***********************************************************************/
|
||||
//----- usb_stor_reset_common() ---------------------
|
||||
/*
|
||||
* usb_stor_reset_common()
|
||||
*/
|
||||
static int usb_stor_reset_common(struct us_data *us,
|
||||
u8 request, u8 requesttype,
|
||||
u16 value, u16 index, void *data, u16 size)
|
||||
|
|
@ -718,22 +744,23 @@ static int usb_stor_reset_common(struct us_data *us,
|
|||
int result2;
|
||||
|
||||
/* pr_info("transport --- usb_stor_reset_common\n"); */
|
||||
if (test_bit(US_FLIDX_DISCONNECTING, &us->dflags))
|
||||
{
|
||||
if (test_bit(US_FLIDX_DISCONNECTING, &us->dflags)) {
|
||||
/* pr_info("No reset during disconnect\n"); */
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
result = usb_stor_control_msg(us, us->send_ctrl_pipe, request, requesttype, value, index, data, size, 5*HZ);
|
||||
if (result < 0)
|
||||
{
|
||||
result = usb_stor_control_msg(us, us->send_ctrl_pipe,
|
||||
request, requesttype, value, index, data, size, 5*HZ);
|
||||
|
||||
if (result < 0) {
|
||||
/* pr_info("Soft reset failed: %d\n", result); */
|
||||
return result;
|
||||
}
|
||||
|
||||
wait_event_interruptible_timeout(us->delay_wait, test_bit(US_FLIDX_DISCONNECTING, &us->dflags), HZ*6);
|
||||
if (test_bit(US_FLIDX_DISCONNECTING, &us->dflags))
|
||||
{
|
||||
wait_event_interruptible_timeout(us->delay_wait,
|
||||
test_bit(US_FLIDX_DISCONNECTING, &us->dflags), HZ*6);
|
||||
|
||||
if (test_bit(US_FLIDX_DISCONNECTING, &us->dflags)) {
|
||||
/* pr_info("Reset interrupted by disconnect\n"); */
|
||||
return -EIO;
|
||||
}
|
||||
|
|
@ -747,14 +774,16 @@ static int usb_stor_reset_common(struct us_data *us,
|
|||
/* return a result code based on the result of the clear-halts */
|
||||
if (result >= 0)
|
||||
result = result2;
|
||||
//if (result < 0)
|
||||
/* if (result < 0) */
|
||||
/* pr_info("Soft reset failed\n"); */
|
||||
//else
|
||||
/* else */
|
||||
/* pr_info("Soft reset done\n"); */
|
||||
return result;
|
||||
}
|
||||
|
||||
//----- usb_stor_Bulk_reset() ---------------------
|
||||
/*
|
||||
* usb_stor_Bulk_reset()
|
||||
*/
|
||||
int usb_stor_Bulk_reset(struct us_data *us)
|
||||
{
|
||||
/* pr_info("transport --- usb_stor_Bulk_reset\n"); */
|
||||
|
|
@ -763,7 +792,9 @@ int usb_stor_Bulk_reset(struct us_data *us)
|
|||
0, us->ifnum, NULL, 0);
|
||||
}
|
||||
|
||||
//----- usb_stor_port_reset() ---------------------
|
||||
/*
|
||||
* usb_stor_port_reset()
|
||||
*/
|
||||
int usb_stor_port_reset(struct us_data *us)
|
||||
{
|
||||
int result;
|
||||
|
|
|
|||
|
|
@ -8,7 +8,7 @@
|
|||
/* command block wrapper */
|
||||
struct bulk_cb_wrap {
|
||||
__le32 Signature; /* contains 'USBC' */
|
||||
__u32 Tag; /* unique per command id */
|
||||
__u32 Tag; /* unique per command id */
|
||||
__le32 DataTransferLength; /* size of data */
|
||||
__u8 Flags; /* direction in bit 0 */
|
||||
__u8 Lun; /* LUN normally 0 */
|
||||
|
|
@ -49,9 +49,9 @@ struct bulk_cs_wrap {
|
|||
|
||||
/* Transport return codes */
|
||||
#define USB_STOR_TRANSPORT_GOOD 0 /* Transport good, command good */
|
||||
#define USB_STOR_TRANSPORT_FAILED 1 /* Transport good, command failed */
|
||||
#define USB_STOR_TRANSPORT_NO_SENSE 2 /* Command failed, no auto-sense */
|
||||
#define USB_STOR_TRANSPORT_ERROR 3 /* Transport bad (i.e. device dead) */
|
||||
#define USB_STOR_TRANSPORT_FAILED 1 /* Transport good, command failed */
|
||||
#define USB_STOR_TRANSPORT_NO_SENSE 2 /* Command failed, no auto-sense */
|
||||
#define USB_STOR_TRANSPORT_ERROR 3 /* Transport bad (i.e. device dead) */
|
||||
|
||||
/*
|
||||
* We used to have USB_STOR_XFER_ABORTED and USB_STOR_TRANSPORT_ABORTED
|
||||
|
|
@ -64,11 +64,11 @@ struct bulk_cs_wrap {
|
|||
/* CBI accept device specific command */
|
||||
#define US_CBI_ADSC 0
|
||||
extern int usb_stor_Bulk_transport(struct scsi_cmnd *, struct us_data*);
|
||||
extern int usb_stor_Bulk_max_lun(struct us_data*);
|
||||
extern int usb_stor_Bulk_reset(struct us_data*);
|
||||
extern int usb_stor_Bulk_max_lun(struct us_data *);
|
||||
extern int usb_stor_Bulk_reset(struct us_data *);
|
||||
extern void usb_stor_print_cmd(struct scsi_cmnd *);
|
||||
extern void usb_stor_invoke_transport(struct scsi_cmnd *, struct us_data*);
|
||||
extern void usb_stor_stop_transport(struct us_data*);
|
||||
extern void usb_stor_stop_transport(struct us_data *);
|
||||
extern int usb_stor_control_msg(struct us_data *us, unsigned int pipe,
|
||||
u8 request, u8 requesttype, u16 value, u16 index,
|
||||
void *data, u16 size, int timeout);
|
||||
|
|
@ -77,23 +77,26 @@ extern int usb_stor_bulk_transfer_buf(struct us_data *us, unsigned int pipe,
|
|||
void *buf, unsigned int length, unsigned int *act_len);
|
||||
extern int usb_stor_bulk_transfer_sg(struct us_data *us, unsigned int pipe,
|
||||
void *buf, unsigned int length, int use_sg, int *residual);
|
||||
extern int usb_stor_bulk_srb(struct us_data* us, unsigned int pipe,
|
||||
struct scsi_cmnd* srb);
|
||||
extern int usb_stor_bulk_srb(struct us_data *us, unsigned int pipe,
|
||||
struct scsi_cmnd *srb);
|
||||
extern int usb_stor_port_reset(struct us_data *us);
|
||||
|
||||
/* Protocol handling routines */
|
||||
enum xfer_buf_dir {TO_XFER_BUF, FROM_XFER_BUF};
|
||||
extern unsigned int usb_stor_access_xfer_buf(struct us_data*, unsigned char *buffer,
|
||||
unsigned int buflen, struct scsi_cmnd *srb, struct scatterlist **,
|
||||
unsigned int *offset, enum xfer_buf_dir dir);
|
||||
extern void usb_stor_set_xfer_buf(struct us_data*, unsigned char *buffer, unsigned int buflen, struct scsi_cmnd *srb,
|
||||
extern unsigned int usb_stor_access_xfer_buf(struct us_data*,
|
||||
unsigned char *buffer, unsigned int buflen, struct scsi_cmnd *srb,
|
||||
struct scatterlist **, unsigned int *offset, enum xfer_buf_dir dir);
|
||||
extern void usb_stor_set_xfer_buf(struct us_data*, unsigned char *buffer,
|
||||
unsigned int buflen, struct scsi_cmnd *srb,
|
||||
unsigned int dir);
|
||||
|
||||
// ENE scsi function
|
||||
extern void ENE_stor_invoke_transport(struct scsi_cmnd *, struct us_data*);
|
||||
extern int ENE_InitMedia(struct us_data*);
|
||||
extern int ENE_MSInit(struct us_data*);
|
||||
extern int ENE_SMInit(struct us_data*);
|
||||
/*
|
||||
* ENE scsi function
|
||||
*/
|
||||
extern void ENE_stor_invoke_transport(struct scsi_cmnd *, struct us_data *);
|
||||
extern int ENE_InitMedia(struct us_data *);
|
||||
extern int ENE_MSInit(struct us_data *);
|
||||
extern int ENE_SMInit(struct us_data *);
|
||||
extern int ENE_SendScsiCmd(struct us_data*, BYTE, void*, int);
|
||||
extern int ENE_LoadBinCode(struct us_data*, BYTE);
|
||||
extern int ENE_Read_BYTE(struct us_data*, WORD index, void *buf);
|
||||
|
|
@ -101,35 +104,51 @@ extern int ENE_Read_Data(struct us_data*, void *buf, unsigned int length);
|
|||
extern int ENE_Write_Data(struct us_data*, void *buf, unsigned int length);
|
||||
extern void BuildSenseBuffer(struct scsi_cmnd *, int);
|
||||
|
||||
// ENE scsi function
|
||||
/*
|
||||
* ENE scsi function
|
||||
*/
|
||||
extern int MS_SCSIIrp(struct us_data *us, struct scsi_cmnd *srb);
|
||||
extern int SM_SCSIIrp(struct us_data *us, struct scsi_cmnd *srb);
|
||||
|
||||
// ENE MS function
|
||||
extern int MS_CardInit(struct us_data *us);
|
||||
/*
|
||||
* ENE MS function
|
||||
*/
|
||||
extern int MS_CardInit(struct us_data *us);
|
||||
extern void MS_LibFreeAllocatedArea(struct us_data *us);
|
||||
extern void MS_LibFreeWriteBuf(struct us_data *us);
|
||||
extern int MS_LibFreeLogicalMap(struct us_data *us);
|
||||
extern int MS_LibForceSetLogicalPair(struct us_data *us, WORD logblk, WORD phyblk);
|
||||
extern int MS_ReaderReadPage(struct us_data *us, DWORD PhyBlockAddr, BYTE PageNum, DWORD *PageBuf, MS_LibTypeExtdat *ExtraDat);
|
||||
extern int MS_ReaderCopyBlock(struct us_data *us, WORD oldphy, WORD newphy, WORD PhyBlockAddr, BYTE PageNum, PBYTE buf, WORD len);
|
||||
extern int MS_LibForceSetLogicalPair(struct us_data *us, WORD logblk,
|
||||
WORD phyblk);
|
||||
extern int MS_ReaderReadPage(struct us_data *us, DWORD PhyBlockAddr,
|
||||
BYTE PageNum, DWORD *PageBuf,
|
||||
MS_LibTypeExtdat *ExtraDat);
|
||||
extern int MS_ReaderCopyBlock(struct us_data *us, WORD oldphy,
|
||||
WORD newphy, WORD PhyBlockAddr,
|
||||
BYTE PageNum, PBYTE buf, WORD len);
|
||||
extern int MS_ReaderEraseBlock(struct us_data *us, DWORD PhyBlockAddr);
|
||||
extern int MS_LibProcessBootBlock(struct us_data *us, WORD PhyBlock, BYTE *PageData);
|
||||
extern int MS_LibProcessBootBlock(struct us_data *us, WORD PhyBlock,
|
||||
BYTE *PageData);
|
||||
extern int MS_LibAllocLogicalMap(struct us_data *us);
|
||||
extern int MS_LibSetBootBlockMark(struct us_data *us, WORD phyblk);
|
||||
extern int MS_LibSetLogicalBlockMark(struct us_data *us, WORD phyblk, WORD mark);
|
||||
extern int MS_LibSetLogicalBlockMark(struct us_data *us, WORD phyblk,
|
||||
WORD mark);
|
||||
extern int MS_LibSetInitialErrorBlock(struct us_data *us, WORD phyblk);
|
||||
extern int MS_LibScanLogicalBlockNumber(struct us_data *us, WORD phyblk);
|
||||
extern int MS_LibAllocWriteBuf(struct us_data *us);
|
||||
void MS_LibClearWriteBuf(struct us_data *us);
|
||||
void MS_LibPhy2LogRange(WORD PhyBlock, WORD *LogStart, WORD *LogEnde);
|
||||
extern int MS_LibReadExtra(struct us_data *us, DWORD PhyBlock, BYTE PageNum, MS_LibTypeExtdat *ExtraDat);
|
||||
extern int MS_LibReadExtraBlock(struct us_data *us, DWORD PhyBlock, BYTE PageNum, BYTE blen, void *buf);
|
||||
void MS_LibPhy2LogRange(WORD PhyBlock, WORD *LogStart,
|
||||
WORD *LogEnde);
|
||||
extern int MS_LibReadExtra(struct us_data *us, DWORD PhyBlock,
|
||||
BYTE PageNum, MS_LibTypeExtdat *ExtraDat);
|
||||
extern int MS_LibReadExtraBlock(struct us_data *us, DWORD PhyBlock,
|
||||
BYTE PageNum, BYTE blen, void *buf);
|
||||
extern int MS_LibSetAcquiredErrorBlock(struct us_data *us, WORD phyblk);
|
||||
extern int MS_LibErasePhyBlock(struct us_data *us, WORD phyblk);
|
||||
extern int MS_LibErrorPhyBlock(struct us_data *us, WORD phyblk);
|
||||
extern int MS_LibOverwriteExtra(struct us_data *us, DWORD PhyBlockAddr, BYTE PageNum, BYTE OverwriteFlag);
|
||||
extern int MS_LibSetLogicalPair(struct us_data *us, WORD logblk, WORD phyblk);
|
||||
extern int MS_LibOverwriteExtra(struct us_data *us, DWORD PhyBlockAddr,
|
||||
BYTE PageNum, BYTE OverwriteFlag);
|
||||
extern int MS_LibSetLogicalPair(struct us_data *us,
|
||||
WORD logblk, WORD phyblk);
|
||||
extern int MS_LibCheckDisableBlock(struct us_data *us, WORD PhyBlock);
|
||||
extern int MS_CountFreeBlock(struct us_data *us, WORD PhyBlock);
|
||||
extern int MS_LibSearchBlockFromLogical(struct us_data *us, WORD logblk);
|
||||
|
|
|
|||
Reference in New Issue