staging: sep: Add interfaces for the new functions

[This is picked out of the differences between the upstream driver and
 the staging driver. I'm resolving the differences as a series of updates -AC]

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/sep/sep_main.c b/drivers/staging/sep/sep_main.c
index 7d7cb48..1fcabca 100644 (file)
--- a/drivers/staging/sep/sep_main.c
+++ b/drivers/staging/sep/sep_main.c
@@ -3067,9 +3067,13 @@ static long sep_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 
        switch (cmd) {
        case SEP_IOCSENDSEPCOMMAND:
+               dev_dbg(&sep->pdev->dev,
+                       "[PID%d] SEP_IOCSENDSEPCOMMAND start\n",
+                       current->pid);
                if (1 == test_bit(SEP_LEGACY_SENDMSG_DONE_OFFSET,
                                  &call_status->status)) {
-                       dev_dbg(&sep->pdev->dev, "[PID%d] send msg already done\n",
+                       dev_warn(&sep->pdev->dev,
+                               "[PID%d] send msg already done\n",
                                current->pid);
                        error = -EPROTO;
                        goto end_function;
@@ -3079,37 +3083,71 @@ static long sep_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
                if (!error)
                        set_bit(SEP_LEGACY_SENDMSG_DONE_OFFSET,
                                &call_status->status);
-               dev_dbg(&sep->pdev->dev, "[PID%d] SEP_IOCSENDSEPCOMMAND end\n",
+               dev_dbg(&sep->pdev->dev,
+                       "[PID%d] SEP_IOCSENDSEPCOMMAND end\n",
                        current->pid);
                break;
        case SEP_IOCENDTRANSACTION:
+               dev_dbg(&sep->pdev->dev,
+                       "[PID%d] SEP_IOCENDTRANSACTION start\n",
+                       current->pid);
                error = sep_end_transaction_handler(sep, dma_ctx, call_status,
-                       my_queue_elem);
-               dev_dbg(&sep->pdev->dev, "[PID%d] SEP_IOCENDTRANSACTION end\n",
+                                                   my_queue_elem);
+               dev_dbg(&sep->pdev->dev,
+                       "[PID%d] SEP_IOCENDTRANSACTION end\n",
                        current->pid);
                break;
        case SEP_IOCPREPAREDCB:
+               dev_dbg(&sep->pdev->dev,
+                       "[PID%d] SEP_IOCPREPAREDCB start\n",
+                       current->pid);
+       case SEP_IOCPREPAREDCB_SECURE_DMA:
+               dev_dbg(&sep->pdev->dev,
+                       "[PID%d] SEP_IOCPREPAREDCB_SECURE_DMA start\n",
+                       current->pid);
                if (1 == test_bit(SEP_LEGACY_SENDMSG_DONE_OFFSET,
                                  &call_status->status)) {
-                       dev_dbg(&sep->pdev->dev,
-                               "[PID%d] dcb preparation needed before send msg\n",
+                       dev_warn(&sep->pdev->dev,
+                               "[PID%d] dcb prep needed before send msg\n",
                                current->pid);
                        error = -EPROTO;
                        goto end_function;
                }
 
                if (!arg) {
-                       dev_dbg(&sep->pdev->dev,
-                               "[PID%d] dcb prep null arg\n", current->pid);
-                       error = -EINVAL;
+                       dev_warn(&sep->pdev->dev,
+                               "[PID%d] dcb null arg\n", current->pid);
+                       error = EINVAL;
                        goto end_function;
                }
 
-               error = sep_prepare_dcb_handler(sep, arg, false, dma_ctx);
-               dev_dbg(&sep->pdev->dev, "[PID%d] SEP_IOCPREPAREDCB end\n",
+               if (cmd == SEP_IOCPREPAREDCB) {
+                       /* No secure dma */
+                       dev_dbg(&sep->pdev->dev,
+                               "[PID%d] SEP_IOCPREPAREDCB (no secure_dma)\n",
+                               current->pid);
+
+                       error = sep_prepare_dcb_handler(sep, arg, false,
+                               dma_ctx);
+               } else {
+                       /* Secure dma */
+                       dev_dbg(&sep->pdev->dev,
+                               "[PID%d] SEP_IOC_POC (with secure_dma)\n",
+                               current->pid);
+
+                       error = sep_prepare_dcb_handler(sep, arg, true,
+                               dma_ctx);
+               }
+               dev_dbg(&sep->pdev->dev, "[PID%d] dcb's end\n",
                        current->pid);
                break;
        case SEP_IOCFREEDCB:
+               dev_dbg(&sep->pdev->dev, "[PID%d] SEP_IOCFREEDCB start\n",
+                       current->pid);
+       case SEP_IOCFREEDCB_SECURE_DMA:
+               dev_dbg(&sep->pdev->dev,
+                       "[PID%d] SEP_IOCFREEDCB_SECURE_DMA start\n",
+                       current->pid);
                error = sep_free_dcb_handler(sep, dma_ctx);
                dev_dbg(&sep->pdev->dev, "[PID%d] SEP_IOCFREEDCB end\n",
                        current->pid);