video: tegra: host: pva: Add opaque type

This change adds an opaque data type for passing information from
userspace to firmware. The data type replaces the existing
"pointer" data type with a new type that supports delivering
payload as part of the task.

JIRA PVA-302
JIRA PVA-538

Change-Id: If290ae7809cb4603693510a0d0a14b11a1380258
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1541232
Reviewed-by: Vinod Gopalakrishnakurup <vinodg@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>

1 files changed, 13 insertions, 11 deletions

diff --git a/include/uapi/linux/nvhost_pva_ioctl.h b/include/uapi/linux/nvhost_pva_ioctl.h
index a8aa21c87..18588cefe 100644
--- a/include/uapi/linux/nvhost_pva_ioctl.h
+++ b/include/uapi/linux/nvhost_pva_ioctl.h
@@ -181,14 +181,15 @@ struct pva_fence {
         __u32 semaphore_value;
 };
 
-#define PVA_MAX_TASKS           1
-#define PVA_MAX_PREFENCES       8
-#define PVA_MAX_POSTFENCES      8
-#define PVA_MAX_INPUT_STATUS    8
-#define PVA_MAX_OUTPUT_STATUS   8
-#define PVA_MAX_INPUT_SURFACES  8
-#define PVA_MAX_OUTPUT_SURFACES 8
-#define PVA_MAX_POINTERS        128
+#define PVA_MAX_TASKS                   1
+#define PVA_MAX_PREFENCES               8
+#define PVA_MAX_POSTFENCES              8
+#define PVA_MAX_INPUT_STATUS            8
+#define PVA_MAX_OUTPUT_STATUS           8
+#define PVA_MAX_INPUT_SURFACES          8
+#define PVA_MAX_OUTPUT_SURFACES         8
+#define PVA_MAX_POINTERS                128
+#define PVA_MAX_PRIMARY_PAYLOAD_SIZE    4096
 
 /**
  * struct pva_ioctl_submit_task - Describe a task for PVA
@@ -223,17 +224,18 @@ struct pva_ioctl_submit_task {
         __u8 num_output_task_status;
         __u16 num_pointers;
         __u64 pointers;
-        __u8 reserved0[4];
+        __u32 primary_payload_size;
         __u32 operation;
         __u64 timeout;
         __u64 prefences;
         __u64 postfences;
         __u64 input_surfaces;
         struct pva_task_parameter input_scalars;
-        u8 reserved1[16];
+        __u64 primary_payload;
+        u8 reserved0[8];
         __u64 output_surfaces;
         struct pva_task_parameter output_scalars;
-        u8 reserved2[16];
+        u8 reserved1[16];
         __u64 input_task_status;
         __u64 output_task_status;
 };