* libblock/include/rtems/diskdevs.h: Added driver data pointer to IO

        control function.  The IO control handler takes now the disk device as
        first parameter instead of the physical device number.
        * cpukit/libblock/include/rtems/blkdev.h, libblock/src/bdbuf.c,
        libblock/src/blkdev.c, libblock/src/diskdevs.c, libblock/src/nvdisk.c,
        libblock/src/flashdisk.c, libblock/src/ramdisk.c: Update for block
        device API change.

6 files changed, 25 insertions, 45 deletions

diff --git a/cpukit/libblock/src/bdbuf.c b/cpukit/libblock/src/bdbuf.c
index de5468fd6a..21d512bb2a 100644
--- a/cpukit/libblock/src/bdbuf.c
+++ b/cpukit/libblock/src/bdbuf.c
@@ -1975,7 +1975,7 @@ rtems_bdbuf_read (dev_t                device,
     req->status = RTEMS_RESOURCE_IN_USE;
     req->error = 0;
   
-    result = dd->ioctl (dd->phys_dev->dev, RTEMS_BLKIO_REQUEST, req);
+    result = dd->ioctl (dd, RTEMS_BLKIO_REQUEST, req);
 
     /*
      * Inspection of the DOS FS code shows the result from this function is
@@ -2401,9 +2401,7 @@ rtems_bdbuf_swapout_write (rtems_bdbuf_swapout_transfer* transfer)
            * Perform the transfer. No cache locks, no preemption, only the disk
            * device is being held.
            */
-          result = dd->phys_dev->ioctl (dd->phys_dev->dev,
-                                        RTEMS_BLKIO_REQUEST, transfer->write_req);
-
+          result = dd->ioctl (dd, RTEMS_BLKIO_REQUEST, transfer->write_req); 
           if (result < 0)
           {
             rtems_bdbuf_lock_cache ();
diff --git a/cpukit/libblock/src/blkdev.c b/cpukit/libblock/src/blkdev.c
index 8f0ceb6e7a..ceb4dd8930 100644
--- a/cpukit/libblock/src/blkdev.c
+++ b/cpukit/libblock/src/blkdev.c
@@ -237,20 +237,19 @@ rtems_blkdev_generic_ioctl(
 
         case RTEMS_BLKIO_SYNCDEV:
             rc = rtems_bdbuf_syncdev(dd->dev);
-            args->ioctl_return = (rc == RTEMS_SUCCESSFUL ? 0 : -1);
+            args->ioctl_return = (uint32_t) (rc == RTEMS_SUCCESSFUL ? 0 : -1);
             break;
 
         case RTEMS_BLKIO_REQUEST:
         {
             rtems_blkdev_request *req = args->buffer;
-            args->ioctl_return = dd->ioctl(dd->phys_dev->dev, args->command,
-                                           req);
+	    args->ioctl_return = (uint32_t) dd->ioctl(dd, args->command, req);
             break;
         }
 
         default:
-            args->ioctl_return = dd->ioctl(dd->phys_dev->dev, args->command,
-                                           args->buffer);
+	    args->ioctl_return = (uint32_t) dd->ioctl(dd, args->command,
+			                              args->buffer);
             break;
     }
     rtems_disk_release(dd);
@@ -259,18 +258,10 @@ rtems_blkdev_generic_ioctl(
 }
 
 int
-rtems_blkdev_ioctl(dev_t dev, uint32_t req, void *argp)
+rtems_blkdev_ioctl(rtems_disk_device *dd, uint32_t req, void *argp)
 {
-    rtems_disk_device *dd;
     size_t            *arg_size = argp;
     int                rc = 0;
-
-    dd = rtems_disk_obtain(dev);
-    if (dd == NULL)
-    {
-        errno = ENODEV;
-        return -1;
-    }
     
     switch (req)
     {
@@ -295,8 +286,6 @@ rtems_blkdev_ioctl(dev_t dev, uint32_t req, void *argp)
             rc = -1;
             break;
     }
-    
-    rtems_disk_release(dd);
 
     return rc;
 }
diff --git a/cpukit/libblock/src/diskdevs.c b/cpukit/libblock/src/diskdevs.c
index c5599e873c..8655e77758 100644
--- a/cpukit/libblock/src/diskdevs.c
+++ b/cpukit/libblock/src/diskdevs.c
@@ -223,6 +223,7 @@ rtems_status_code rtems_disk_create_phys(
   uint32_t block_size,
   rtems_blkdev_bnum disk_size,
   rtems_block_device_ioctl handler,
+  void *driver_data,
   const char *name
 )
 {
@@ -252,12 +253,11 @@ rtems_status_code rtems_disk_create_phys(
     dd->size = disk_size;
     dd->block_size = dd->media_block_size = block_size;
     dd->ioctl = handler;
+    dd->driver_data = driver_data;
 
     rc = rtems_io_register_name(name, major, minor);
 
-    if (handler (dd->phys_dev->dev,
-                 RTEMS_BLKDEV_CAPABILITIES,
-                 &dd->capabilities) < 0)
+    if (handler (dd, RTEMS_BLKDEV_CAPABILITIES, &dd->capabilities) < 0)
       dd->capabilities = 0;
     
     diskdevs_protected = false;
@@ -316,6 +316,7 @@ rtems_status_code rtems_disk_create_log(
   dd->size = size;
   dd->block_size = dd->media_block_size = pdd->block_size;
   dd->ioctl = pdd->ioctl;
+  dd->driver_data = pdd->driver_data;
 
   rc = rtems_io_register_name(name, major, minor);
 
diff --git a/cpukit/libblock/src/flashdisk.c b/cpukit/libblock/src/flashdisk.c
index 743de32432..1b321ebe79 100644
--- a/cpukit/libblock/src/flashdisk.c
+++ b/cpukit/libblock/src/flashdisk.c
@@ -2335,14 +2335,15 @@ rtems_fdisk_print_status (rtems_flashdisk* fd)
 /**
  * Flash disk IOCTL handler.
  *
- * @param dev Device number (major, minor number).
+ * @param dd Disk device.
  * @param req IOCTL request code.
  * @param argp IOCTL argument.
  * @retval The IOCTL return value
  */
 static int
-rtems_fdisk_ioctl (dev_t dev, uint32_t req, void* argp)
+rtems_fdisk_ioctl (rtems_disk_device *dd, uint32_t req, void* argp)
 {
+  dev_t                     dev = rtems_disk_physical_device_number (dd);
   rtems_device_minor_number minor = rtems_filesystem_dev_minor_t (dev);
   rtems_blkdev_request*     r = argp;
   rtems_status_code         sc;
@@ -2408,7 +2409,7 @@ rtems_fdisk_ioctl (dev_t dev, uint32_t req, void* argp)
         break;
 
       default:
-        rtems_blkdev_ioctl (dev, req, argp);
+        rtems_blkdev_ioctl (dd, req, argp);
         break;
     }
 
@@ -2479,7 +2480,7 @@ rtems_fdisk_initialize (rtems_device_major_number major,
   
     sc = rtems_disk_create_phys(dev, c->block_size,
                                 blocks - fd->unavail_blocks,
-                                rtems_fdisk_ioctl, name);
+                                rtems_fdisk_ioctl, NULL, name);
     if (sc != RTEMS_SUCCESSFUL)
     {
       rtems_fdisk_error ("disk create phy failed");
diff --git a/cpukit/libblock/src/nvdisk.c b/cpukit/libblock/src/nvdisk.c
index 005e846746..f121078bb1 100644
--- a/cpukit/libblock/src/nvdisk.c
+++ b/cpukit/libblock/src/nvdisk.c
@@ -674,14 +674,15 @@ rtems_nvdisk_erase_disk (rtems_nvdisk* nvd)
 /**
  * NV disk IOCTL handler.
  *
- * @param dev Device number (major, minor number).
+ * @param dd Disk device.
  * @param req IOCTL request code.
  * @param argp IOCTL argument.
  * @retval The IOCTL return value
  */
 static int
-rtems_nvdisk_ioctl (dev_t dev, uint32_t req, void* argp)
+rtems_nvdisk_ioctl (rtems_disk_device *dd, uint32_t req, void* argp)
 {
+  dev_t                     dev = rtems_disk_physical_device_number (dd);
   rtems_device_minor_number minor = rtems_filesystem_dev_minor_t (dev);
   rtems_blkdev_request*     r = argp;
   rtems_status_code         sc;
@@ -734,7 +735,7 @@ rtems_nvdisk_ioctl (dev_t dev, uint32_t req, void* argp)
         break;
         
       default:
-        rtems_blkdev_ioctl (dev, req, argp);
+        rtems_blkdev_ioctl (dd, req, argp);
         break;
     }
 
@@ -817,7 +818,7 @@ rtems_nvdisk_initialize (rtems_device_major_number major,
     nvd->device_count = c->device_count;
 
     sc = rtems_disk_create_phys(dev, c->block_size, blocks,
-                                rtems_nvdisk_ioctl, name);
+                                rtems_nvdisk_ioctl, NULL, name);
     if (sc != RTEMS_SUCCESSFUL)
     {
       rtems_nvdisk_error ("disk create phy failed");
diff --git a/cpukit/libblock/src/ramdisk.c b/cpukit/libblock/src/ramdisk.c
index 98180923a7..6825287d21 100644
--- a/cpukit/libblock/src/ramdisk.c
+++ b/cpukit/libblock/src/ramdisk.c
@@ -163,24 +163,14 @@ ramdisk_write(struct ramdisk *rd, rtems_blkdev_request *req)
  *     IOCTL return value
  */
 static int
-ramdisk_ioctl(dev_t dev, uint32_t req, void *argp)
+ramdisk_ioctl(rtems_disk_device *dd, uint32_t req, void *argp)
 {
     switch (req)
     {
         case RTEMS_BLKIO_REQUEST:
         {
-            rtems_device_minor_number minor;
             rtems_blkdev_request *r = argp;
-            struct ramdisk *rd;
-
-            minor = rtems_filesystem_dev_minor_t(dev);
-            if ((minor >= nramdisks) || !ramdisk[minor].initialized)
-            {
-                errno = ENODEV;
-                return -1;
-            }
-
-            rd = ramdisk + minor;
+            struct ramdisk *rd = rtems_disk_driver_data(dd);
 
             switch (r->req)
             {
@@ -198,7 +188,7 @@ ramdisk_ioctl(dev_t dev, uint32_t req, void *argp)
         }
   
         default:
-            return rtems_blkdev_ioctl (dev, req, argp);
+            return rtems_blkdev_ioctl (dd, req, argp);
             break;
     }
 
@@ -266,7 +256,7 @@ ramdisk_initialize(
             r->area = c->location;
         }
         rc = rtems_disk_create_phys(dev, c->block_size, c->block_num,
-                                    ramdisk_ioctl, name);
+                                    ramdisk_ioctl, r, name);
         if (rc != RTEMS_SUCCESSFUL)
         {
             if (r->malloced)