[PATCH 07/60] drm/nouveau/gsp: split rm alloc handling out on its own
Ben Skeggs
bskeggs at nvidia.com
Tue Apr 29 23:38:35 UTC 2025
Split base RM_ALLOC 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 | 14 +--
.../gpu/drm/nouveau/nvkm/subdev/gsp/r535.c | 85 -------------
.../nouveau/nvkm/subdev/gsp/rm/r535/Kbuild | 1 +
.../nouveau/nvkm/subdev/gsp/rm/r535/alloc.c | 113 ++++++++++++++++++
.../drm/nouveau/nvkm/subdev/gsp/rm/r535/rm.c | 1 +
.../gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h | 9 ++
6 files changed, 128 insertions(+), 95 deletions(-)
create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/alloc.c
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
index bc2cf837aa9f..dfe2abc6b3a0 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
@@ -212,12 +212,6 @@ struct nvkm_gsp {
const struct nvkm_gsp_rm {
const struct nvkm_rm_api *api;
- 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);
-
- int (*rm_free)(struct nvkm_gsp_object *);
-
int (*client_ctor)(struct nvkm_gsp *, struct nvkm_gsp_client *);
void (*client_dtor)(struct nvkm_gsp_client *);
@@ -364,7 +358,7 @@ nvkm_gsp_rm_alloc_get(struct nvkm_gsp_object *parent, u32 handle, u32 oclass, u3
object->parent = parent;
object->handle = handle;
- argv = gsp->rm->rm_alloc_get(object, oclass, argc);
+ argv = gsp->rm->api->alloc->get(object, oclass, argc);
if (IS_ERR_OR_NULL(argv)) {
object->client = NULL;
return argv;
@@ -376,7 +370,7 @@ nvkm_gsp_rm_alloc_get(struct nvkm_gsp_object *parent, u32 handle, u32 oclass, u3
static inline void *
nvkm_gsp_rm_alloc_push(struct nvkm_gsp_object *object, void *argv)
{
- void *repv = object->client->gsp->rm->rm_alloc_push(object, argv);
+ void *repv = object->client->gsp->rm->api->alloc->push(object, argv);
if (IS_ERR(repv))
object->client = NULL;
@@ -398,7 +392,7 @@ nvkm_gsp_rm_alloc_wr(struct nvkm_gsp_object *object, void *argv)
static inline void
nvkm_gsp_rm_alloc_done(struct nvkm_gsp_object *object, void *repv)
{
- object->client->gsp->rm->rm_alloc_done(object, repv);
+ object->client->gsp->rm->api->alloc->done(object, repv);
}
static inline int
@@ -417,7 +411,7 @@ static inline int
nvkm_gsp_rm_free(struct nvkm_gsp_object *object)
{
if (object->client)
- return object->client->gsp->rm->rm_free(object);
+ return object->client->gsp->rm->api->alloc->free(object);
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
index 24d90910cee0..407777d67431 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
@@ -226,95 +226,10 @@ r535_gsp_client_ctor(struct nvkm_gsp *gsp, struct nvkm_gsp_client *client)
return 0;
}
-static int
-r535_gsp_rpc_rm_free(struct nvkm_gsp_object *object)
-{
- struct nvkm_gsp_client *client = object->client;
- struct nvkm_gsp *gsp = client->gsp;
- rpc_free_v03_00 *rpc;
-
- nvkm_debug(&gsp->subdev, "cli:0x%08x obj:0x%08x free\n",
- client->object.handle, object->handle);
-
- rpc = nvkm_gsp_rpc_get(gsp, NV_VGPU_MSG_FUNCTION_FREE, sizeof(*rpc));
- if (WARN_ON(IS_ERR_OR_NULL(rpc)))
- return -EIO;
-
- rpc->params.hRoot = client->object.handle;
- rpc->params.hObjectParent = 0;
- rpc->params.hObjectOld = object->handle;
- return nvkm_gsp_rpc_wr(gsp, rpc, NVKM_GSP_RPC_REPLY_RECV);
-}
-
-static void
-r535_gsp_rpc_rm_alloc_done(struct nvkm_gsp_object *object, void *params)
-{
- rpc_gsp_rm_alloc_v03_00 *rpc = to_payload_hdr(params, rpc);
-
- nvkm_gsp_rpc_done(object->client->gsp, rpc);
-}
-
-static void *
-r535_gsp_rpc_rm_alloc_push(struct nvkm_gsp_object *object, void *params)
-{
- rpc_gsp_rm_alloc_v03_00 *rpc = to_payload_hdr(params, rpc);
- struct nvkm_gsp *gsp = object->client->gsp;
- void *ret = NULL;
-
- rpc = nvkm_gsp_rpc_push(gsp, rpc, NVKM_GSP_RPC_REPLY_RECV, sizeof(*rpc));
- if (IS_ERR_OR_NULL(rpc))
- return rpc;
-
- if (rpc->status) {
- ret = ERR_PTR(r535_rpc_status_to_errno(rpc->status));
- if (PTR_ERR(ret) != -EAGAIN && PTR_ERR(ret) != -EBUSY)
- nvkm_error(&gsp->subdev, "RM_ALLOC: 0x%x\n", rpc->status);
- }
-
- nvkm_gsp_rpc_done(gsp, rpc);
-
- return ret;
-}
-
-static void *
-r535_gsp_rpc_rm_alloc_get(struct nvkm_gsp_object *object, u32 oclass,
- u32 params_size)
-{
- struct nvkm_gsp_client *client = object->client;
- struct nvkm_gsp *gsp = client->gsp;
- rpc_gsp_rm_alloc_v03_00 *rpc;
-
- nvkm_debug(&gsp->subdev, "cli:0x%08x obj:0x%08x new obj:0x%08x\n",
- client->object.handle, object->parent->handle,
- object->handle);
-
- nvkm_debug(&gsp->subdev, "cls:0x%08x params_size:%d\n", oclass,
- params_size);
-
- rpc = nvkm_gsp_rpc_get(gsp, NV_VGPU_MSG_FUNCTION_GSP_RM_ALLOC,
- sizeof(*rpc) + params_size);
- if (IS_ERR(rpc))
- return rpc;
-
- rpc->hClient = client->object.handle;
- rpc->hParent = object->parent->handle;
- rpc->hObject = object->handle;
- rpc->hClass = oclass;
- rpc->status = 0;
- rpc->paramsSize = params_size;
- return rpc->params;
-}
-
const struct nvkm_gsp_rm
r535_gsp_rm = {
.api = &r535_rm,
- .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,
-
- .rm_free = r535_gsp_rpc_rm_free,
-
.client_ctor = r535_gsp_client_ctor,
.client_dtor = r535_gsp_client_dtor,
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 c8d7419b754f..48b432c9005d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/Kbuild
@@ -5,3 +5,4 @@
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
+nvkm-y += nvkm/subdev/gsp/rm/r535/alloc.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/alloc.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/alloc.c
new file mode 100644
index 000000000000..968fb7e01b46
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/alloc.c
@@ -0,0 +1,113 @@
+/*
+ * 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 int
+r535_gsp_rpc_rm_free(struct nvkm_gsp_object *object)
+{
+ struct nvkm_gsp_client *client = object->client;
+ struct nvkm_gsp *gsp = client->gsp;
+ rpc_free_v03_00 *rpc;
+
+ nvkm_debug(&gsp->subdev, "cli:0x%08x obj:0x%08x free\n",
+ client->object.handle, object->handle);
+
+ rpc = nvkm_gsp_rpc_get(gsp, NV_VGPU_MSG_FUNCTION_FREE, sizeof(*rpc));
+ if (WARN_ON(IS_ERR_OR_NULL(rpc)))
+ return -EIO;
+
+ rpc->params.hRoot = client->object.handle;
+ rpc->params.hObjectParent = 0;
+ rpc->params.hObjectOld = object->handle;
+ return nvkm_gsp_rpc_wr(gsp, rpc, NVKM_GSP_RPC_REPLY_RECV);
+}
+
+static void
+r535_gsp_rpc_rm_alloc_done(struct nvkm_gsp_object *object, void *params)
+{
+ rpc_gsp_rm_alloc_v03_00 *rpc = to_payload_hdr(params, rpc);
+
+ nvkm_gsp_rpc_done(object->client->gsp, rpc);
+}
+
+static void *
+r535_gsp_rpc_rm_alloc_push(struct nvkm_gsp_object *object, void *params)
+{
+ rpc_gsp_rm_alloc_v03_00 *rpc = to_payload_hdr(params, rpc);
+ struct nvkm_gsp *gsp = object->client->gsp;
+ void *ret = NULL;
+
+ rpc = nvkm_gsp_rpc_push(gsp, rpc, NVKM_GSP_RPC_REPLY_RECV, sizeof(*rpc));
+ if (IS_ERR_OR_NULL(rpc))
+ return rpc;
+
+ if (rpc->status) {
+ ret = ERR_PTR(r535_rpc_status_to_errno(rpc->status));
+ if (PTR_ERR(ret) != -EAGAIN && PTR_ERR(ret) != -EBUSY)
+ nvkm_error(&gsp->subdev, "RM_ALLOC: 0x%x\n", rpc->status);
+ }
+
+ nvkm_gsp_rpc_done(gsp, rpc);
+
+ return ret;
+}
+
+static void *
+r535_gsp_rpc_rm_alloc_get(struct nvkm_gsp_object *object, u32 oclass,
+ u32 params_size)
+{
+ struct nvkm_gsp_client *client = object->client;
+ struct nvkm_gsp *gsp = client->gsp;
+ rpc_gsp_rm_alloc_v03_00 *rpc;
+
+ nvkm_debug(&gsp->subdev, "cli:0x%08x obj:0x%08x new obj:0x%08x\n",
+ client->object.handle, object->parent->handle,
+ object->handle);
+
+ nvkm_debug(&gsp->subdev, "cls:0x%08x params_size:%d\n", oclass,
+ params_size);
+
+ rpc = nvkm_gsp_rpc_get(gsp, NV_VGPU_MSG_FUNCTION_GSP_RM_ALLOC,
+ sizeof(*rpc) + params_size);
+ if (IS_ERR(rpc))
+ return rpc;
+
+ rpc->hClient = client->object.handle;
+ rpc->hParent = object->parent->handle;
+ rpc->hObject = object->handle;
+ rpc->hClass = oclass;
+ rpc->status = 0;
+ rpc->paramsSize = params_size;
+ return rpc->params;
+}
+
+const struct nvkm_rm_api_alloc
+r535_alloc = {
+ .get = r535_gsp_rpc_rm_alloc_get,
+ .push = r535_gsp_rpc_rm_alloc_push,
+ .done = r535_gsp_rpc_rm_alloc_done,
+ .free = r535_gsp_rpc_rm_free,
+};
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 2f6dc4365589..c8694c10cd32 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
@@ -25,4 +25,5 @@ const struct nvkm_rm_api
r535_rm = {
.rpc = &r535_rpc,
.ctrl = &r535_ctrl,
+ .alloc = &r535_alloc,
};
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 9558fbb59ae4..6d0eb8e202ca 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/rm.h
@@ -19,9 +19,18 @@ struct nvkm_rm_api {
int (*push)(struct nvkm_gsp_object *, void **params, u32 repc);
void (*done)(struct nvkm_gsp_object *, void *params);
} *ctrl;
+
+ const struct nvkm_rm_api_alloc {
+ void *(*get)(struct nvkm_gsp_object *, u32 oclass, u32 params_size);
+ void *(*push)(struct nvkm_gsp_object *, void *params);
+ void (*done)(struct nvkm_gsp_object *, void *params);
+
+ int (*free)(struct nvkm_gsp_object *);
+ } *alloc;
};
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;
+extern const struct nvkm_rm_api_alloc r535_alloc;
#endif
--
2.49.0
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