gpu: nvgpu: gv11b: support for full subcontext

Changes to enable 64 subcontexts: 1 SYNC + 63 ASYNC
Currently all subcontexts with in a tsg can have only
single address space.

Add support for NVGPU_TSG_IOCTL_BIND_CHANNEL_EX for
selecting subctx id by client.

Bug 1842197

Change-Id: Icf56a41303bd1ad7fc6f2a6fbc691bb7b4a01d22
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master/r/1511145
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit

1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/ioctl_tsg_t19x.h b/drivers/gpu/nvgpu/common/linux/ioctl_tsg_t19x.h
new file mode 100644
index 00000000..3376ffce
--- /dev/null
+++ b/drivers/gpu/nvgpu/common/linux/ioctl_tsg_t19x.h
@@ -0,0 +1,21 @@
+/*
+ * GV11B TSG IOCTL handler
+ *
+ * Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef _NVGPU_IOCTL_TSG_T19X
+#define _NVGPU_IOCTL_TSG_T19X
+
+int t19x_tsg_ioctl_handler(struct gk20a *g, struct tsg_gk20a *tsg,
+                                unsigned int cmd, u8 *arg);
+#endif