Stubbed gpfifo, zcull_ctx

nx/include/switch.h

@@ -76,6 +76,8 @@ extern "C" {
 #include "switch/nvidia/address_space.h"
 #include "switch/nvidia/channel.h"
 #include "switch/nvidia/info.h"
+#include "switch/nvidia/gpu/gpfifo.h"
+#include "switch/nvidia/gpu/zcull_ctx.h"
 #include "switch/nvidia/gpu/gpu.h"
 
 #include "switch/audio/driver.h"

nx/include/switch/nvidia/gpu/gpfifo.h

@@ -0,0 +1,9 @@
+#pragma once
+
+typedef struct {
+    NvChannel* parent;
+    nvioctl_fence fifo_fence;
+} NvGpfifo;
+
+Result nvfifoCreate(NvGpfifo* f, NvChannel* parent);
+void   nvfifoClose();

nx/include/switch/nvidia/gpu/gpu.h

@@ -1,8 +1,10 @@
 #pragma once
 
-typedef struct {
+typedef struct NvGpu {
     NvAddressSpace addr_space;
     NvChannel gpu_channel;
+    NvGpfifo gpfifo;
+    NvZcullContext zcull_ctx;
 } NvGpu;
 
 Result nvgpuCreate(NvGpu* g);

nx/include/switch/nvidia/gpu/zcull_ctx.h

@@ -0,0 +1,10 @@
+#pragma once
+
+typedef struct NvGpu NvGpu;
+
+typedef struct {
+    NvGpu* parent;
+} NvZcullContext;
+
+Result nvzcullCreate(NvZcullContext* z, NvGpu* parent);
+void   nvzcullClose(NvZcullContext* z);

nx/source/nvidia/address_space.c

@@ -47,6 +47,14 @@ Result nvasMapBuffer(NvAddressSpace* a, NvBuffer* buffer, NvBufferKind kind, iov
     return nvioctlNvhostAsGpu_MapBufferEx(a->fd, 0, kind, buffer->fd, 0, 0, buffer->size, 0, iova_out);
 }
 
-Result nvasBindToChannel(NvAddressSpace* a, NvChannel* channel) {
+Result nvasBindToChannel(NvAddressSpace* a, NvChannel* channel)
-    return nvioctlNvhostAsGpu_BindChannel(a->fd, channel->fd);
+{
+    Result rc;
+
+    rc = nvioctlNvhostAsGpu_BindChannel(a->fd, channel->fd);
+
+    if (R_SUCCEEDED(rc))
+        rc = nvioctlChannel_SetNvmapFd(channel->fd, a->fd);
+
+    return rc;
 }

nx/source/nvidia/gpu/gpfifo.c

@@ -0,0 +1,15 @@
+#include <switch.h>
+
+#define DEFAULT_FIFO_ENTRIES 0x800
+
+Result nvfifoCreate(NvGpfifo* f, NvChannel* parent)
+{
+    f->parent = parent;
+
+    return nvioctlChannel_AllocGpfifoEx2(
+        parent->fd, DEFAULT_FIFO_ENTRIES, 1, 0, 0, 0, 0, &f->fifo_fence);
+}
+
+void nvfifoClose() {
+    /**/
+}

nx/source/nvidia/gpu/gpu.c

@@ -15,6 +15,12 @@ Result nvgpuCreate(NvGpu* g)
     if (R_SUCCEEDED(rc))
         rc = nvasBindToChannel(&g->addr_space, &g->gpu_channel);
 
+    if (R_SUCCEEDED(rc))
+        rc = nvfifoCreate(&g->gpfifo, &g->gpu_channel);
+
+    if (R_SUCCEEDED(rc))
+        rc = nvzcullCreate(&g->zcull_ctx, g);
+
     if (R_FAILED(rc))
         nvgpuClose(g);
 
@@ -23,6 +29,7 @@ Result nvgpuCreate(NvGpu* g)
 
 void nvgpuClose(NvGpu* g)
 {
+    nvfifoClose(&g->gpfifo);
     nvasClose(&g->addr_space);
     nvchannelClose(&g->gpu_channel);
 }

nx/source/nvidia/gpu/zcull_ctx.c

@@ -0,0 +1,11 @@
+#include <switch.h>
+
+Result nvzcullCreate(NvZcullContext* z, NvGpu* parent)
+{
+    z->parent = parent;
+    return 0;
+}
+
+void nvzcullClose(NvZcullContext* z) {
+    /**/
+}