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-rw-r--r--drivers/gpu/drm/nouveau/include/nvif/client.h3
-rw-r--r--drivers/gpu/drm/nouveau/include/nvif/driver.h6
-rw-r--r--drivers/gpu/drm/nouveau/include/nvif/if0000.h7
-rw-r--r--drivers/gpu/drm/nouveau/include/nvkm/core/client.h1
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_drm.c6
-rw-r--r--drivers/gpu/drm/nouveau/nvif/Kbuild1
-rw-r--r--drivers/gpu/drm/nouveau/nvif/client.c43
-rw-r--r--drivers/gpu/drm/nouveau/nvif/driver.c58
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/core/client.c50
9 files changed, 140 insertions, 35 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvif/client.h b/drivers/gpu/drm/nouveau/include/nvif/client.h
index 4a7f6f7b836d..b52a8eadce01 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/client.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/client.h
@@ -11,8 +11,7 @@ struct nvif_client {
bool super;
};
-int nvif_client_init(const char *drv, const char *name, u64 device,
- const char *cfg, const char *dbg,
+int nvif_client_init(struct nvif_client *parent, const char *name, u64 device,
struct nvif_client *);
void nvif_client_fini(struct nvif_client *);
int nvif_client_ioctl(struct nvif_client *, void *, u32);
diff --git a/drivers/gpu/drm/nouveau/include/nvif/driver.h b/drivers/gpu/drm/nouveau/include/nvif/driver.h
index 8bd39e69229c..0c6f48d8140a 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/driver.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/driver.h
@@ -1,5 +1,7 @@
#ifndef __NVIF_DRIVER_H__
#define __NVIF_DRIVER_H__
+#include <nvif/os.h>
+struct nvif_client;
struct nvif_driver {
const char *name;
@@ -14,9 +16,11 @@ struct nvif_driver {
bool keep;
};
+int nvif_driver_init(const char *drv, const char *cfg, const char *dbg,
+ const char *name, u64 device, struct nvif_client *);
+
extern const struct nvif_driver nvif_driver_nvkm;
extern const struct nvif_driver nvif_driver_drm;
extern const struct nvif_driver nvif_driver_lib;
extern const struct nvif_driver nvif_driver_null;
-
#endif
diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0000.h b/drivers/gpu/drm/nouveau/include/nvif/if0000.h
index 18bbd823677d..c2c0fc41e017 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/if0000.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/if0000.h
@@ -1,6 +1,13 @@
#ifndef __NVIF_IF0000_H__
#define __NVIF_IF0000_H__
+struct nvif_client_v0 {
+ __u8 version;
+ __u8 pad01[7];
+ __u64 device;
+ char name[32];
+};
+
#define NVIF_CLIENT_V0_DEVLIST 0x00
struct nvif_client_devlist_v0 {
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/client.h b/drivers/gpu/drm/nouveau/include/nvkm/core/client.h
index e3b96e3df7da..e41231925109 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/client.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/client.h
@@ -23,6 +23,7 @@ int nvkm_client_new(const char *name, u64 device, const char *cfg,
const char *dbg,
int (*)(const void *, u32, const void *, u32),
struct nvkm_client **);
+struct nvkm_client *nvkm_client_search(struct nvkm_client *, u64 handle);
int nvkm_client_notify_new(struct nvkm_object *, struct nvkm_event *,
void *data, u32 size);
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index dd7b52ab505a..279a96dc9a60 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -37,6 +37,8 @@
#include <core/pci.h>
#include <core/tegra.h>
+#include <nvif/driver.h>
+
#include <nvif/class.h>
#include <nvif/cl0002.h>
#include <nvif/cla06f.h>
@@ -119,8 +121,8 @@ nouveau_cli_create(struct drm_device *dev, const char *sname,
snprintf(cli->name, sizeof(cli->name), "%s", sname);
cli->dev = dev;
- ret = nvif_client_init(NULL, cli->name, nouveau_name(dev),
- nouveau_config, nouveau_debug,
+ ret = nvif_driver_init(NULL, nouveau_config, nouveau_debug,
+ cli->name, nouveau_name(dev),
&cli->base);
if (ret == 0) {
mutex_init(&cli->mutex);
diff --git a/drivers/gpu/drm/nouveau/nvif/Kbuild b/drivers/gpu/drm/nouveau/nvif/Kbuild
index ff8ed3a04d06..067b5e9f5ec1 100644
--- a/drivers/gpu/drm/nouveau/nvif/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvif/Kbuild
@@ -1,4 +1,5 @@
nvif-y := nvif/object.o
nvif-y += nvif/client.o
nvif-y += nvif/device.o
+nvif-y += nvif/driver.o
nvif-y += nvif/notify.o
diff --git a/drivers/gpu/drm/nouveau/nvif/client.c b/drivers/gpu/drm/nouveau/nvif/client.c
index ad1307b6f783..12db54965c20 100644
--- a/drivers/gpu/drm/nouveau/nvif/client.c
+++ b/drivers/gpu/drm/nouveau/nvif/client.c
@@ -26,6 +26,9 @@
#include <nvif/driver.h>
#include <nvif/ioctl.h>
+#include <nvif/class.h>
+#include <nvif/if0000.h>
+
int
nvif_client_ioctl(struct nvif_client *client, void *data, u32 size)
{
@@ -55,29 +58,21 @@ nvif_client_fini(struct nvif_client *client)
}
}
-static const struct nvif_driver *
-nvif_drivers[] = {
-#ifdef __KERNEL__
- &nvif_driver_nvkm,
-#else
- &nvif_driver_drm,
- &nvif_driver_lib,
- &nvif_driver_null,
-#endif
- NULL
-};
-
int
-nvif_client_init(const char *driver, const char *name, u64 device,
- const char *cfg, const char *dbg, struct nvif_client *client)
+nvif_client_init(struct nvif_client *parent, const char *name, u64 device,
+ struct nvif_client *client)
{
+ struct nvif_client_v0 args = { .device = device };
struct {
struct nvif_ioctl_v0 ioctl;
struct nvif_ioctl_nop_v0 nop;
- } args = {};
- int ret, i;
+ } nop = {};
+ int ret;
- ret = nvif_object_init(NULL, 0, 0, NULL, 0, &client->object);
+ strncpy(args.name, name, sizeof(args.name));
+ ret = nvif_object_init(parent != client ? &parent->object : NULL,
+ 0, NVIF_CLASS_CLIENT, &args, sizeof(args),
+ &client->object);
if (ret)
return ret;
@@ -85,19 +80,11 @@ nvif_client_init(const char *driver, const char *name, u64 device,
client->object.handle = ~0;
client->route = NVIF_IOCTL_V0_ROUTE_NVIF;
client->super = true;
-
- for (i = 0, ret = -EINVAL; (client->driver = nvif_drivers[i]); i++) {
- if (!driver || !strcmp(client->driver->name, driver)) {
- ret = client->driver->init(name, device, cfg, dbg,
- &client->object.priv);
- if (!ret || driver)
- break;
- }
- }
+ client->driver = parent->driver;
if (ret == 0) {
- ret = nvif_client_ioctl(client, &args, sizeof(args));
- client->version = args.nop.version;
+ ret = nvif_client_ioctl(client, &nop, sizeof(nop));
+ client->version = nop.nop.version;
}
if (ret)
diff --git a/drivers/gpu/drm/nouveau/nvif/driver.c b/drivers/gpu/drm/nouveau/nvif/driver.c
new file mode 100644
index 000000000000..701330956e33
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvif/driver.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2016 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.
+ *
+ * Authors: Ben Skeggs
+ */
+#include <nvif/driver.h>
+#include <nvif/client.h>
+
+static const struct nvif_driver *
+nvif_driver[] = {
+#ifdef __KERNEL__
+ &nvif_driver_nvkm,
+#else
+ &nvif_driver_drm,
+ &nvif_driver_lib,
+ &nvif_driver_null,
+#endif
+ NULL
+};
+
+int
+nvif_driver_init(const char *drv, const char *cfg, const char *dbg,
+ const char *name, u64 device, struct nvif_client *client)
+{
+ int ret = -EINVAL, i;
+
+ for (i = 0; (client->driver = nvif_driver[i]); i++) {
+ if (!drv || !strcmp(client->driver->name, drv)) {
+ ret = client->driver->init(name, device, cfg, dbg,
+ &client->object.priv);
+ if (ret == 0)
+ break;
+ client->driver->fini(client->object.priv);
+ }
+ }
+
+ if (ret == 0)
+ ret = nvif_client_init(client, name, device, client);
+ return ret;
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/client.c b/drivers/gpu/drm/nouveau/nvkm/core/client.c
index 4e2730cb1fec..0d3a896892b4 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/client.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/client.c
@@ -31,9 +31,41 @@
#include <nvif/if0000.h>
#include <nvif/unpack.h>
-static const struct nvkm_sclass
+static int
+nvkm_uclient_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
+ struct nvkm_object **pobject)
+{
+ union {
+ struct nvif_client_v0 v0;
+ } *args = argv;
+ struct nvkm_client *client;
+ int ret = -ENOSYS;
+
+ if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))){
+ args->v0.name[sizeof(args->v0.name) - 1] = 0;
+ ret = nvkm_client_new(args->v0.name, args->v0.device, NULL,
+ NULL, oclass->client->ntfy, &client);
+ if (ret)
+ return ret;
+ } else
+ return ret;
+
+ client->object.client = oclass->client;
+ client->object.handle = oclass->handle;
+ client->object.route = oclass->route;
+ client->object.token = oclass->token;
+ client->object.object = oclass->object;
+ client->debug = oclass->client->debug;
+ *pobject = &client->object;
+ return 0;
+}
+
+const struct nvkm_sclass
nvkm_uclient_sclass = {
.oclass = NVIF_CLASS_CLIENT,
+ .minver = 0,
+ .maxver = 0,
+ .ctor = nvkm_uclient_new,
};
struct nvkm_client_notify {
@@ -143,6 +175,19 @@ nvkm_client_notify_new(struct nvkm_object *object,
return ret;
}
+static const struct nvkm_object_func nvkm_client;
+struct nvkm_client *
+nvkm_client_search(struct nvkm_client *client, u64 handle)
+{
+ struct nvkm_object *object;
+
+ object = nvkm_object_search(client, handle, &nvkm_client);
+ if (IS_ERR(object))
+ return (void *)object;
+
+ return nvkm_client(object);
+}
+
static int
nvkm_client_mthd_devlist(struct nvkm_client *client, void *data, u32 size)
{
@@ -196,7 +241,8 @@ nvkm_client_child_get(struct nvkm_object *object, int index,
const struct nvkm_sclass *sclass;
switch (index) {
- case 0: sclass = &nvkm_udevice_sclass; break;
+ case 0: sclass = &nvkm_uclient_sclass; break;
+ case 1: sclass = &nvkm_udevice_sclass; break;
default:
return -EINVAL;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.