[PATCH 06/60] drm/nouveau/gsp: split rm ctrl handling out on its own
Ben Skeggs
bskeggs at nvidia.com
Tue Apr 29 23:38:34 UTC 2025
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 <bskeggs at 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 943c932623b6..2f6dc4365589 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
@@ -24,4 +24,5 @@
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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