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/*
* Copyright 2012 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 <core/client.h>
#include <core/device.h>
#include <core/option.h>
#include <nvif/class.h>
#include <nvif/event.h>
#include <nvif/if0000.h>
#include <nvif/unpack.h>
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->event, &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;
}
static const struct nvkm_sclass
nvkm_uclient_sclass = {
.oclass = NVIF_CLASS_CLIENT,
.minver = 0,
.maxver = 0,
.ctor = nvkm_uclient_new,
};
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)
{
union {
struct nvif_client_devlist_v0 v0;
} *args = data;
int ret = -ENOSYS;
nvif_ioctl(&client->object, "client devlist size %d\n", size);
if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
nvif_ioctl(&client->object, "client devlist vers %d count %d\n",
args->v0.version, args->v0.count);
if (size == sizeof(args->v0.device[0]) * args->v0.count) {
ret = nvkm_device_list(args->v0.device, args->v0.count);
if (ret >= 0) {
args->v0.count = ret;
ret = 0;
}
} else {
ret = -EINVAL;
}
}
return ret;
}
static int
nvkm_client_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
{
struct nvkm_client *client = nvkm_client(object);
switch (mthd) {
case NVIF_CLIENT_V0_DEVLIST:
return nvkm_client_mthd_devlist(client, data, size);
default:
break;
}
return -EINVAL;
}
static int
nvkm_client_child_new(const struct nvkm_oclass *oclass,
void *data, u32 size, struct nvkm_object **pobject)
{
return oclass->base.ctor(oclass, data, size, pobject);
}
static int
nvkm_client_child_get(struct nvkm_object *object, int index,
struct nvkm_oclass *oclass)
{
const struct nvkm_sclass *sclass;
switch (index) {
case 0: sclass = &nvkm_uclient_sclass; break;
case 1: sclass = &nvkm_udevice_sclass; break;
default:
return -EINVAL;
}
oclass->ctor = nvkm_client_child_new;
oclass->base = *sclass;
return 0;
}
static int
nvkm_client_fini(struct nvkm_object *object, bool suspend)
{
return 0;
}
static void *
nvkm_client_dtor(struct nvkm_object *object)
{
return nvkm_client(object);
}
static const struct nvkm_object_func
nvkm_client = {
.dtor = nvkm_client_dtor,
.fini = nvkm_client_fini,
.mthd = nvkm_client_mthd,
.sclass = nvkm_client_child_get,
};
int
nvkm_client_new(const char *name, u64 device, const char *cfg, const char *dbg,
int (*event)(u64, void *, u32), struct nvkm_client **pclient)
{
struct nvkm_oclass oclass = { .base = nvkm_uclient_sclass };
struct nvkm_client *client;
if (!(client = *pclient = kzalloc(sizeof(*client), GFP_KERNEL)))
return -ENOMEM;
oclass.client = client;
nvkm_object_ctor(&nvkm_client, &oclass, &client->object);
snprintf(client->name, sizeof(client->name), "%s", name);
client->device = device;
client->debug = nvkm_dbgopt(dbg, "CLIENT");
client->objroot = RB_ROOT;
spin_lock_init(&client->obj_lock);
client->event = event;
INIT_LIST_HEAD(&client->umem);
spin_lock_init(&client->lock);
return 0;
}
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