mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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34acf100dd
For the moment, just used to speed up vbios-only testing. Have some ideas for extending in the future. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
131 lines
3.3 KiB
C
131 lines
3.3 KiB
C
/*
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* Copyright 2013 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs <bskeggs@redhat.com>
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*/
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#include "client.h"
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#include "driver.h"
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#include "ioctl.h"
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int
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nvif_client_ioctl(struct nvif_client *client, void *data, u32 size)
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{
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return client->driver->ioctl(client->base.priv, client->super, data, size, NULL);
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}
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int
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nvif_client_suspend(struct nvif_client *client)
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{
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return client->driver->suspend(client->base.priv);
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}
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int
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nvif_client_resume(struct nvif_client *client)
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{
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return client->driver->resume(client->base.priv);
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}
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void
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nvif_client_fini(struct nvif_client *client)
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{
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if (client->driver) {
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client->driver->fini(client->base.priv);
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client->driver = NULL;
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client->base.parent = NULL;
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nvif_object_fini(&client->base);
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}
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}
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const struct nvif_driver *
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nvif_drivers[] = {
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#ifdef __KERNEL__
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&nvif_driver_nvkm,
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#else
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&nvif_driver_drm,
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&nvif_driver_lib,
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&nvif_driver_null,
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#endif
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NULL
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};
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int
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nvif_client_init(void (*dtor)(struct nvif_client *), const char *driver,
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const char *name, u64 device, const char *cfg, const char *dbg,
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struct nvif_client *client)
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{
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int ret, i;
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ret = nvif_object_init(NULL, (void*)dtor, 0, 0, NULL, 0, &client->base);
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if (ret)
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return ret;
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client->base.parent = &client->base;
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client->base.handle = ~0;
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client->object = &client->base;
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client->super = true;
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for (i = 0, ret = -EINVAL; (client->driver = nvif_drivers[i]); i++) {
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if (!driver || !strcmp(client->driver->name, driver)) {
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ret = client->driver->init(name, device, cfg, dbg,
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&client->base.priv);
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if (!ret || driver)
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break;
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}
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}
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if (ret)
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nvif_client_fini(client);
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return ret;
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}
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static void
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nvif_client_del(struct nvif_client *client)
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{
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nvif_client_fini(client);
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kfree(client);
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}
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int
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nvif_client_new(const char *driver, const char *name, u64 device,
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const char *cfg, const char *dbg,
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struct nvif_client **pclient)
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{
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struct nvif_client *client = kzalloc(sizeof(*client), GFP_KERNEL);
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if (client) {
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int ret = nvif_client_init(nvif_client_del, driver, name,
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device, cfg, dbg, client);
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if (ret) {
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kfree(client);
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client = NULL;
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}
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*pclient = client;
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return ret;
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}
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return -ENOMEM;
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}
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void
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nvif_client_ref(struct nvif_client *client, struct nvif_client **pclient)
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{
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nvif_object_ref(&client->base, (struct nvif_object **)pclient);
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}
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