[PATCH 9/9] VC04_SERVICES: Add compat ioctl handler for "dump mem"

[Michael Zoran]

Add compat handler for "dump mem" ioctl.

Signed-off-by: Michael Zoran <mzo...@crowfest.net>
---
 .../staging/vc04_services/interface/vchiq_arm/vchiq_arm.c  | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c 
b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
index 84ede7d1285f..454b951fbda3 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
@@ -1577,6 +1577,19 @@ vchiq_ioctl_compat_internal(
                }
        } break;
 
+       case VCHIQ_IOC_DUMP_PHYS_MEM32: {
+               struct vchiq_dump_mem32 args32;
+
+               if (copy_from_user
+                        (&args32, (const void __user *)arg,
+                         sizeof(args32))) {
+                       ret = -EFAULT;
+                       break;
+               }
+
+               dump_phys_mem(compat_ptr(args32.virt_addr), args32.num_bytes);
+       } break;
+
        default:
                ret = -ENOTTY;
                break;
@@ -1624,6 +1637,7 @@ vchiq_ioctl_compat(struct file *file, unsigned int cmd, 
unsigned long arg)
        case VCHIQ_IOC_AWAIT_COMPLETION32:
        case VCHIQ_IOC_DEQUEUE_MESSAGE32:
        case VCHIQ_IOC_GET_CONFIG32:
+       case VCHIQ_IOC_DUMP_PHYS_MEM32:
                return vchiq_ioctl_compat_internal(file, cmd, arg);
        default:
                return vchiq_ioctl(file, cmd, arg);
-- 
2.11.0

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