/***********************************************************************
* Data transfer routines
***********************************************************************/
-//----- usb_stor_blocking_completion() ---------------------
+/*
+ * usb_stor_blocking_completion()
+ */
static void usb_stor_blocking_completion(struct urb *urb)
{
struct completion *urb_done_ptr = urb->context;
complete(urb_done_ptr);
}
-//----- usb_stor_msg_common() ---------------------
+/*
+ * usb_stor_msg_common()
+ */
static int usb_stor_msg_common(struct us_data *us, int timeout)
{
struct completion urb_done;
set_bit(US_FLIDX_URB_ACTIVE, &us->dflags);
- if (test_bit(US_FLIDX_ABORTING, &us->dflags))
- {
- if (test_and_clear_bit(US_FLIDX_URB_ACTIVE, &us->dflags))
- {
+ if (test_bit(US_FLIDX_ABORTING, &us->dflags)) {
+ if (test_and_clear_bit(US_FLIDX_URB_ACTIVE, &us->dflags)) {
/* pr_info("-- cancelling URB\n"); */
usb_unlink_urb(us->current_urb);
}
}
- timeleft = wait_for_completion_interruptible_timeout(&urb_done, timeout ? : MAX_SCHEDULE_TIMEOUT);
+ timeleft = wait_for_completion_interruptible_timeout(&urb_done,
+ timeout ? : MAX_SCHEDULE_TIMEOUT);
clear_bit(US_FLIDX_URB_ACTIVE, &us->dflags);
- if (timeleft <= 0)
- {
+ if (timeleft <= 0) {
/* pr_info("%s -- cancelling URB\n",
timeleft == 0 ? "Timeout" : "Signal"); */
usb_kill_urb(us->current_urb);
return us->current_urb->status;
}
-//----- usb_stor_control_msg() ---------------------
+/*
+ * usb_stor_control_msg()
+ */
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)
/* fill and submit the URB */
usb_fill_control_urb(us->current_urb, us->pusb_dev, pipe,
- (unsigned char*) us->cr, data, size,
+ (unsigned char *) us->cr, data, size,
usb_stor_blocking_completion, NULL);
status = usb_stor_msg_common(us, timeout);
return status;
}
-//----- usb_stor_clear_halt() ---------------------
+/*
+ * usb_stor_clear_halt()
+ */
int usb_stor_clear_halt(struct us_data *us, unsigned int pipe)
{
int result;
int endp = usb_pipeendpoint(pipe);
/* pr_info("transport --- usb_stor_clear_halt\n"); */
- if (usb_pipein (pipe))
+ if (usb_pipein(pipe))
endp |= USB_DIR_IN;
result = usb_stor_control_msg(us, us->send_ctrl_pipe,
/* reset the endpoint toggle */
if (result >= 0)
- //usb_settoggle(us->pusb_dev, usb_pipeendpoint(pipe), usb_pipeout(pipe), 0);
- usb_reset_endpoint(us->pusb_dev, endp);
+ /* usb_settoggle(us->pusb_dev, usb_pipeendpoint(pipe),
+ usb_pipeout(pipe), 0); */
+ usb_reset_endpoint(us->pusb_dev, endp);
return result;
}
-//----- interpret_urb_result() ---------------------
+/*
+ * interpret_urb_result()
+ */
static int interpret_urb_result(struct us_data *us, unsigned int pipe,
unsigned int length, int result, unsigned int partial)
{
switch (result) {
/* no error code; did we send all the data? */
case 0:
- if (partial != length)
- {
+ if (partial != length) {
/* pr_info("-- short transfer\n"); */
return USB_STOR_XFER_SHORT;
}
/* pr_info("-- transfer complete\n"); */
return USB_STOR_XFER_GOOD;
case -EPIPE:
- if (usb_pipecontrol(pipe))
- {
+ if (usb_pipecontrol(pipe)) {
/* pr_info("-- stall on control pipe\n"); */
return USB_STOR_XFER_STALLED;
}
}
}
-//----- usb_stor_bulk_transfer_buf() ---------------------
+/*
+ * usb_stor_bulk_transfer_buf()
+ */
int usb_stor_bulk_transfer_buf(struct us_data *us, unsigned int pipe,
void *buf, unsigned int length, unsigned int *act_len)
{
/* pr_info("transport --- usb_stor_bulk_transfer_buf\n"); */
/* fill and submit the URB */
- usb_fill_bulk_urb(us->current_urb, us->pusb_dev, pipe, buf, length, usb_stor_blocking_completion, NULL);
+ usb_fill_bulk_urb(us->current_urb, us->pusb_dev, pipe, buf,
+ length, usb_stor_blocking_completion, NULL);
result = usb_stor_msg_common(us, 0);
/* store the actual length of the data transferred */
if (act_len)
*act_len = us->current_urb->actual_length;
- return interpret_urb_result(us, pipe, length, result, us->current_urb->actual_length);
+ return interpret_urb_result(us, pipe, length, result,
+ us->current_urb->actual_length);
}
-//----- usb_stor_bulk_transfer_sglist() ---------------------
+/*
+ * usb_stor_bulk_transfer_sglist()
+ */
static int usb_stor_bulk_transfer_sglist(struct us_data *us, unsigned int pipe,
struct scatterlist *sg, int num_sg, unsigned int length,
unsigned int *act_len)
return USB_STOR_XFER_ERROR;
/* initialize the scatter-gather request block */
- result = usb_sg_init(&us->current_sg, us->pusb_dev, pipe, 0, sg, num_sg, length, GFP_NOIO);
- if (result)
- {
+ result = usb_sg_init(&us->current_sg, us->pusb_dev, pipe, 0,
+ sg, num_sg, length, GFP_NOIO);
+ if (result) {
/* pr_info("usb_sg_init returned %d\n", result); */
return USB_STOR_XFER_ERROR;
}
- /* since the block has been initialized successfully, it's now okay to cancel it */
+ /* since the block has been initialized successfully,
+ it's now okay to cancel it */
set_bit(US_FLIDX_SG_ACTIVE, &us->dflags);
/* did an abort/disconnect occur during the submission? */
- if (test_bit(US_FLIDX_ABORTING, &us->dflags))
- {
+ if (test_bit(US_FLIDX_ABORTING, &us->dflags)) {
/* cancel the request, if it hasn't been cancelled already */
- 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);
}
if (act_len)
*act_len = us->current_sg.bytes;
- return interpret_urb_result(us, pipe, length, result, us->current_sg.bytes);
+ return interpret_urb_result(us, pipe, length,
+ result, us->current_sg.bytes);
}
-//----- usb_stor_bulk_srb() ---------------------
-int usb_stor_bulk_srb(struct us_data* us, unsigned int pipe, struct scsi_cmnd* srb)
+/*
+ * usb_stor_bulk_srb()
+ */
+int usb_stor_bulk_srb(struct us_data *us, unsigned int pipe,
+ struct scsi_cmnd *srb)
{
unsigned int partial;
int result = usb_stor_bulk_transfer_sglist(us, pipe, scsi_sglist(srb),
return result;
}
-//----- usb_stor_bulk_transfer_sg() ---------------------
-int usb_stor_bulk_transfer_sg(struct us_data* us, unsigned int pipe,
+/*
+ * usb_stor_bulk_transfer_sg()
+ */
+int usb_stor_bulk_transfer_sg(struct us_data *us, unsigned int pipe,
void *buf, unsigned int length_left, int use_sg, int *residual)
{
int result;
/* pr_info("transport --- usb_stor_bulk_transfer_sg\n"); */
/* are we scatter-gathering? */
- if (use_sg)
- {
+ if (use_sg) {
/* use the usb core scatter-gather primitives */
result = usb_stor_bulk_transfer_sglist(us, pipe,
(struct scatterlist *) buf, use_sg,
length_left, &partial);
length_left -= partial;
- }
- else
- {
+ } else {
/* no scatter-gather, just make the request */
- result = usb_stor_bulk_transfer_buf(us, pipe, buf, length_left, &partial);
+ result = usb_stor_bulk_transfer_buf(us, pipe, buf,
+ length_left, &partial);
length_left -= partial;
}
/***********************************************************************
* Transport routines
***********************************************************************/
-//----- usb_stor_invoke_transport() ---------------------
+/*
+ * usb_stor_invoke_transport()
+ */
void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)
{
int need_auto_sense;
usb_stor_print_cmd(srb);
/* send the command to the transport layer */
scsi_set_resid(srb, 0);
- result = us->transport(srb, us); //usb_stor_Bulk_transport;
-
- /* 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))
- {
+ result = us->transport(srb, us); /* usb_stor_Bulk_transport; */
+
+ /* 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;
}
/* Determine if we need to auto-sense */
need_auto_sense = 0;
- if ((us->protocol == USB_PR_CB || us->protocol == USB_PR_DPCM_USB) && srb->sc_data_direction != DMA_FROM_DEVICE)
- {
+ if ((us->protocol == USB_PR_CB || us->protocol == USB_PR_DPCM_USB) &&
+ srb->sc_data_direction != DMA_FROM_DEVICE) {
/* pr_info("-- CB transport device requiring auto-sense\n"); */
need_auto_sense = 1;
}
- if (result == USB_STOR_TRANSPORT_FAILED)
- {
+ if (result == USB_STOR_TRANSPORT_FAILED) {
/* pr_info("-- transport indicates command failure\n"); */
need_auto_sense = 1;
}
/* Now, if we need to do the auto-sense, let's do it */
- if (need_auto_sense)
- {
+ if (need_auto_sense) {
int temp_result;
struct scsi_eh_save ses;
scsi_eh_prep_cmnd(srb, &ses, NULL, 0, US_SENSE_SIZE);
/* we must do the protocol translation here */
- if (us->subclass == USB_SC_RBC || us->subclass == USB_SC_SCSI || us->subclass == USB_SC_CYP_ATACB)
+ if (us->subclass == USB_SC_RBC ||
+ us->subclass == USB_SC_SCSI ||
+ us->subclass == USB_SC_CYP_ATACB) {
srb->cmd_len = 6;
- else
+ } else {
srb->cmd_len = 12;
-
+ }
/* issue the auto-sense command */
scsi_set_resid(srb, 0);
temp_result = us->transport(us->srb, us);
/* let's clean up right away */
scsi_eh_restore_cmnd(srb, &ses);
- if (test_bit(US_FLIDX_TIMED_OUT, &us->dflags))
- {
+ if (test_bit(US_FLIDX_TIMED_OUT, &us->dflags)) {
/* pr_info("-- auto-sense aborted\n"); */
srb->result = DID_ABORT << 16;
goto Handle_Errors;
}
- if (temp_result != USB_STOR_TRANSPORT_GOOD)
- {
+ if (temp_result != USB_STOR_TRANSPORT_GOOD) {
/* pr_info("-- auto-sense failure\n"); */
srb->result = DID_ERROR << 16;
if (!(us->fflags & US_FL_SCM_MULT_TARG))
if (result == USB_STOR_TRANSPORT_GOOD &&
(srb->sense_buffer[2] & 0xaf) == 0 &&
srb->sense_buffer[12] == 0 &&
- srb->sense_buffer[13] == 0)
- {
+ srb->sense_buffer[13] == 0) {
srb->result = SAM_STAT_GOOD;
srb->sense_buffer[0] = 0x0;
}
}
/* 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;
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));
clear_bit(US_FLIDX_RESETTING, &us->dflags);
}
-//----- ENE_stor_invoke_transport() ---------------------
+/*
+ * ENE_stor_invoke_transport()
+ */
void ENE_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)
{
- int result=0;
+ int result = 0;
/* pr_info("transport --- ENE_stor_invoke_transport\n"); */
usb_stor_print_cmd(srb);
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);
-
- /* 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))
- {
+ us->Power_IsResum = false;
+ }
+
+ 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;
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));
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; // ??
- }
-
- memset(buf, 0, 18);
- buf[0x00] = 0xf0;
- buf[0x02] = SrbStatus;
- buf[0x07] = 0x0b;
- buf[0x0c] = asc;
+ 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;
}
-//----- 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;
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;
/* 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;
}
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;
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)
/* 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 */
/* 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)); */
/* 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
((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;
-
- case US_BULK_STAT_FAIL:
- return USB_STOR_TRANSPORT_FAILED;
-
- case US_BULK_STAT_PHASE:
- return USB_STOR_TRANSPORT_ERROR;
+ 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_PHASE:
+ return USB_STOR_TRANSPORT_ERROR;
}
return USB_STOR_TRANSPORT_ERROR;
}
/***********************************************************************
* 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)
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;
}
/* 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"); */
0, us->ifnum, NULL, 0);
}
-//----- usb_stor_port_reset() ---------------------
+/*
+ * usb_stor_port_reset()
+ */
int usb_stor_port_reset(struct us_data *us)
{
int result;
/* 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 */
/* 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
/* 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);
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);
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);
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