Split base RM_CONTROL handling out into its own module.

Aside from moving the function pointers, no code change is intended.

Signed-off-by: Ben Skeggs <bske...@nvidia.com>
Reviewed-by: Dave Airlie <airl...@redhat.com>
Reviewed-by: Timur Tabi <tt...@nvidia.com>
Tested-by: Timur Tabi <tt...@nvidia.com>
---
 .../gpu/drm/nouveau/include/nvkm/subdev/gsp.h | 10 +-
 .../gpu/drm/nouveau/nvkm/subdev/gsp/r535.c    | 66 +------------
 .../nouveau/nvkm/subdev/gsp/rm/r535/Kbuild    |  1 +
 .../nouveau/nvkm/subdev/gsp/rm/r535/ctrl.c    | 94 +++++++++++++++++++
 .../drm/nouveau/nvkm/subdev/gsp/rm/r535/rm.c  |  1 +
 .../gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h   |  7 ++
 6 files changed, 107 insertions(+), 72 deletions(-)
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/ctrl.c

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h 
b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
index b543c31d3d32..bc2cf837aa9f 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
@@ -212,10 +212,6 @@ struct nvkm_gsp {
        const struct nvkm_gsp_rm {
                const struct nvkm_rm_api *api;
 
-               void *(*rm_ctrl_get)(struct nvkm_gsp_object *, u32 cmd, u32 
argc);
-               int (*rm_ctrl_push)(struct nvkm_gsp_object *, void **argv, u32 
repc);
-               void (*rm_ctrl_done)(struct nvkm_gsp_object *, void *repv);
-
                void *(*rm_alloc_get)(struct nvkm_gsp_object *, u32 oclass, u32 
argc);
                void *(*rm_alloc_push)(struct nvkm_gsp_object *, void *argv);
                void (*rm_alloc_done)(struct nvkm_gsp_object *, void *repv);
@@ -316,13 +312,13 @@ nvkm_gsp_rpc_done(struct nvkm_gsp *gsp, void *repv)
 static inline void *
 nvkm_gsp_rm_ctrl_get(struct nvkm_gsp_object *object, u32 cmd, u32 argc)
 {
-       return object->client->gsp->rm->rm_ctrl_get(object, cmd, argc);
+       return object->client->gsp->rm->api->ctrl->get(object, cmd, argc);
 }
 
 static inline int
 nvkm_gsp_rm_ctrl_push(struct nvkm_gsp_object *object, void *argv, u32 repc)
 {
-       return object->client->gsp->rm->rm_ctrl_push(object, argv, repc);
+       return object->client->gsp->rm->api->ctrl->push(object, argv, repc);
 }
 
 static inline void *
@@ -353,7 +349,7 @@ nvkm_gsp_rm_ctrl_wr(struct nvkm_gsp_object *object, void 
*argv)
 static inline void
 nvkm_gsp_rm_ctrl_done(struct nvkm_gsp_object *object, void *repv)
 {
-       object->client->gsp->rm->rm_ctrl_done(object, repv);
+       object->client->gsp->rm->api->ctrl->done(object, repv);
 }
 
 static inline void *
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c 
b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
index 53a4af001039..24d90910cee0 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
@@ -20,6 +20,7 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 #include <rm/rpc.h>
+
 #include "priv.h"
 
 #include <core/pci.h>
@@ -304,75 +305,10 @@ r535_gsp_rpc_rm_alloc_get(struct nvkm_gsp_object *object, 
u32 oclass,
        return rpc->params;
 }
 
-static void
-r535_gsp_rpc_rm_ctrl_done(struct nvkm_gsp_object *object, void *params)
-{
-       rpc_gsp_rm_control_v03_00 *rpc = to_payload_hdr(params, rpc);
-
-       if (!params)
-               return;
-       nvkm_gsp_rpc_done(object->client->gsp, rpc);
-}
-
-static int
-r535_gsp_rpc_rm_ctrl_push(struct nvkm_gsp_object *object, void **params, u32 
repc)
-{
-       rpc_gsp_rm_control_v03_00 *rpc = to_payload_hdr((*params), rpc);
-       struct nvkm_gsp *gsp = object->client->gsp;
-       int ret = 0;
-
-       rpc = nvkm_gsp_rpc_push(gsp, rpc, NVKM_GSP_RPC_REPLY_RECV, repc);
-       if (IS_ERR_OR_NULL(rpc)) {
-               *params = NULL;
-               return PTR_ERR(rpc);
-       }
-
-       if (rpc->status) {
-               ret = r535_rpc_status_to_errno(rpc->status);
-               if (ret != -EAGAIN && ret != -EBUSY)
-                       nvkm_error(&gsp->subdev, "cli:0x%08x obj:0x%08x ctrl 
cmd:0x%08x failed: 0x%08x\n",
-                                  object->client->object.handle, 
object->handle, rpc->cmd, rpc->status);
-       }
-
-       if (repc)
-               *params = rpc->params;
-       else
-               nvkm_gsp_rpc_done(gsp, rpc);
-
-       return ret;
-}
-
-static void *
-r535_gsp_rpc_rm_ctrl_get(struct nvkm_gsp_object *object, u32 cmd, u32 
params_size)
-{
-       struct nvkm_gsp_client *client = object->client;
-       struct nvkm_gsp *gsp = client->gsp;
-       rpc_gsp_rm_control_v03_00 *rpc;
-
-       nvkm_debug(&gsp->subdev, "cli:0x%08x obj:0x%08x ctrl cmd:0x%08x 
params_size:%d\n",
-                  client->object.handle, object->handle, cmd, params_size);
-
-       rpc = nvkm_gsp_rpc_get(gsp, NV_VGPU_MSG_FUNCTION_GSP_RM_CONTROL,
-                              sizeof(*rpc) + params_size);
-       if (IS_ERR(rpc))
-               return rpc;
-
-       rpc->hClient    = client->object.handle;
-       rpc->hObject    = object->handle;
-       rpc->cmd        = cmd;
-       rpc->status     = 0;
-       rpc->paramsSize = params_size;
-       return rpc->params;
-}
-
 const struct nvkm_gsp_rm
 r535_gsp_rm = {
        .api = &r535_rm,
 
-       .rm_ctrl_get = r535_gsp_rpc_rm_ctrl_get,
-       .rm_ctrl_push = r535_gsp_rpc_rm_ctrl_push,
-       .rm_ctrl_done = r535_gsp_rpc_rm_ctrl_done,
-
        .rm_alloc_get = r535_gsp_rpc_rm_alloc_get,
        .rm_alloc_push = r535_gsp_rpc_rm_alloc_push,
        .rm_alloc_done = r535_gsp_rpc_rm_alloc_done,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/Kbuild 
b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/Kbuild
index 21c818ec0701..c8d7419b754f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/Kbuild
@@ -4,3 +4,4 @@
 
 nvkm-y += nvkm/subdev/gsp/rm/r535/rm.o
 nvkm-y += nvkm/subdev/gsp/rm/r535/rpc.o
+nvkm-y += nvkm/subdev/gsp/rm/r535/ctrl.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/ctrl.c 
b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/ctrl.c
new file mode 100644
index 000000000000..f3f0fcd22cac
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/ctrl.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2023 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include <rm/rpc.h>
+
+#include <nvrm/nvtypes.h>
+#include <nvrm/535.113.01/nvidia/generated/g_rpc-structures.h>
+#include <nvrm/535.113.01/nvidia/kernel/inc/vgpu/rpc_global_enums.h>
+
+static void
+r535_gsp_rpc_rm_ctrl_done(struct nvkm_gsp_object *object, void *params)
+{
+       rpc_gsp_rm_control_v03_00 *rpc = to_payload_hdr(params, rpc);
+
+       if (!params)
+               return;
+       nvkm_gsp_rpc_done(object->client->gsp, rpc);
+}
+
+static int
+r535_gsp_rpc_rm_ctrl_push(struct nvkm_gsp_object *object, void **params, u32 
repc)
+{
+       rpc_gsp_rm_control_v03_00 *rpc = to_payload_hdr((*params), rpc);
+       struct nvkm_gsp *gsp = object->client->gsp;
+       int ret = 0;
+
+       rpc = nvkm_gsp_rpc_push(gsp, rpc, NVKM_GSP_RPC_REPLY_RECV, repc);
+       if (IS_ERR_OR_NULL(rpc)) {
+               *params = NULL;
+               return PTR_ERR(rpc);
+       }
+
+       if (rpc->status) {
+               ret = r535_rpc_status_to_errno(rpc->status);
+               if (ret != -EAGAIN && ret != -EBUSY)
+                       nvkm_error(&gsp->subdev, "cli:0x%08x obj:0x%08x ctrl 
cmd:0x%08x failed: 0x%08x\n",
+                                  object->client->object.handle, 
object->handle, rpc->cmd, rpc->status);
+       }
+
+       if (repc)
+               *params = rpc->params;
+       else
+               nvkm_gsp_rpc_done(gsp, rpc);
+
+       return ret;
+}
+
+static void *
+r535_gsp_rpc_rm_ctrl_get(struct nvkm_gsp_object *object, u32 cmd, u32 
params_size)
+{
+       struct nvkm_gsp_client *client = object->client;
+       struct nvkm_gsp *gsp = client->gsp;
+       rpc_gsp_rm_control_v03_00 *rpc;
+
+       nvkm_debug(&gsp->subdev, "cli:0x%08x obj:0x%08x ctrl cmd:0x%08x 
params_size:%d\n",
+                  client->object.handle, object->handle, cmd, params_size);
+
+       rpc = nvkm_gsp_rpc_get(gsp, NV_VGPU_MSG_FUNCTION_GSP_RM_CONTROL,
+                              sizeof(*rpc) + params_size);
+       if (IS_ERR(rpc))
+               return rpc;
+
+       rpc->hClient    = client->object.handle;
+       rpc->hObject    = object->handle;
+       rpc->cmd        = cmd;
+       rpc->status     = 0;
+       rpc->paramsSize = params_size;
+       return rpc->params;
+}
+
+const struct nvkm_rm_api_ctrl
+r535_ctrl = {
+       .get = r535_gsp_rpc_rm_ctrl_get,
+       .push = r535_gsp_rpc_rm_ctrl_push,
+       .done = r535_gsp_rpc_rm_ctrl_done,
+};
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/rm.c 
b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/rm.c
index f28b781abc5c..a3ee277a999d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/rm.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/rm.c
@@ -7,4 +7,5 @@
 const struct nvkm_rm_api
 r535_rm = {
        .rpc = &r535_rpc,
+       .ctrl = &r535_ctrl,
 };
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h 
b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h
index 7a0ece979167..9558fbb59ae4 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h
@@ -13,8 +13,15 @@ struct nvkm_rm_api {
                              enum nvkm_gsp_rpc_reply_policy policy, u32 repc);
                void (*done)(struct nvkm_gsp *gsp, void *repv);
        } *rpc;
+
+       const struct nvkm_rm_api_ctrl {
+               void *(*get)(struct nvkm_gsp_object *, u32 cmd, u32 
params_size);
+               int (*push)(struct nvkm_gsp_object *, void **params, u32 repc);
+               void (*done)(struct nvkm_gsp_object *, void *params);
+       } *ctrl;
 };
 
 extern const struct nvkm_rm_api r535_rm;
 extern const struct nvkm_rm_api_rpc r535_rpc;
+extern const struct nvkm_rm_api_ctrl r535_ctrl;
 #endif
-- 
2.49.0

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