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Diffstat (limited to 'nvkm/core/ioctl.c')
-rw-r--r--nvkm/core/ioctl.c532
1 files changed, 0 insertions, 532 deletions
diff --git a/nvkm/core/ioctl.c b/nvkm/core/ioctl.c
deleted file mode 100644
index bdfabb4a8..000000000
--- a/nvkm/core/ioctl.c
+++ /dev/null
@@ -1,532 +0,0 @@
-/*
- * Copyright 2014 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 <bskeggs@redhat.com>
- */
-
-#include <core/object.h>
-#include <core/parent.h>
-#include <core/handle.h>
-#include <core/namedb.h>
-#include <core/client.h>
-#include <core/device.h>
-#include <core/ioctl.h>
-#include <core/event.h>
-
-#include <nvif/unpack.h>
-#include <nvif/ioctl.h>
-
-static int
-nvkm_ioctl_nop(struct nouveau_handle *handle, void *data, u32 size)
-{
- struct nouveau_object *object = handle->object;
- union {
- struct nvif_ioctl_nop none;
- } *args = data;
- int ret;
-
- nv_ioctl(object, "nop size %d\n", size);
- if (nvif_unvers(args->none)) {
- nv_ioctl(object, "nop\n");
- }
-
- return ret;
-}
-
-static int
-nvkm_ioctl_sclass(struct nouveau_handle *handle, void *data, u32 size)
-{
- struct nouveau_object *object = handle->object;
- union {
- struct nvif_ioctl_sclass_v0 v0;
- } *args = data;
- int ret;
-
- if (!nv_iclass(object, NV_PARENT_CLASS)) {
- nv_debug(object, "cannot have children (sclass)\n");
- return -ENODEV;
- }
-
- nv_ioctl(object, "sclass size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, true)) {
- nv_ioctl(object, "sclass vers %d count %d\n",
- args->v0.version, args->v0.count);
- if (size == args->v0.count * sizeof(args->v0.oclass[0])) {
- ret = nouveau_parent_lclass(object, args->v0.oclass,
- args->v0.count);
- if (ret >= 0) {
- args->v0.count = ret;
- ret = 0;
- }
- } else {
- ret = -EINVAL;
- }
- }
-
- return ret;
-}
-
-static int
-nvkm_ioctl_new(struct nouveau_handle *handle, void *data, u32 size)
-{
- union {
- struct nvif_ioctl_new_v0 v0;
- } *args = data;
- struct nouveau_client *client = nouveau_client(handle->object);
- struct nouveau_object *engctx = NULL;
- struct nouveau_object *object = NULL;
- struct nouveau_parent *parent;
- struct nouveau_object *engine;
- struct nouveau_oclass *oclass;
- u32 _handle, _oclass;
- int ret;
-
- nv_ioctl(client, "new size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, true)) {
- _handle = args->v0.handle;
- _oclass = args->v0.oclass;
- } else
- return ret;
-
- nv_ioctl(client, "new vers %d handle %08x class %08x "
- "route %02x token %llx\n",
- args->v0.version, _handle, _oclass,
- args->v0.route, args->v0.token);
-
- if (!nv_iclass(handle->object, NV_PARENT_CLASS)) {
- nv_debug(handle->object, "cannot have children (ctor)\n");
- ret = -ENODEV;
- goto fail_class;
- }
-
- parent = nv_parent(handle->object);
-
- /* check that parent supports the requested subclass */
- ret = nouveau_parent_sclass(&parent->object, _oclass, &engine, &oclass);
- if (ret) {
- nv_debug(parent, "illegal class 0x%04x\n", _oclass);
- goto fail_class;
- }
-
- /* make sure engine init has been completed *before* any objects
- * it controls are created - the constructors may depend on
- * state calculated at init (ie. default context construction)
- */
- if (engine) {
- ret = nouveau_object_inc(engine);
- if (ret)
- goto fail_class;
- }
-
- /* if engine requires it, create a context object to insert
- * between the parent and its children (eg. PGRAPH context)
- */
- if (engine && nv_engine(engine)->cclass) {
- ret = nouveau_object_ctor(&parent->object, engine,
- nv_engine(engine)->cclass,
- data, size, &engctx);
- if (ret)
- goto fail_engctx;
- } else {
- nouveau_object_ref(&parent->object, &engctx);
- }
-
- /* finally, create new object and bind it to its handle */
- ret = nouveau_object_ctor(engctx, engine, oclass, data, size, &object);
- client->data = object;
- if (ret)
- goto fail_ctor;
-
- ret = nouveau_object_inc(object);
- if (ret)
- goto fail_init;
-
- ret = nouveau_handle_create(&parent->object, handle->name,
- _handle, object, &handle);
- if (ret)
- goto fail_handle;
-
- ret = nouveau_handle_init(handle);
- handle->route = args->v0.route;
- handle->token = args->v0.token;
- if (ret)
- nouveau_handle_destroy(handle);
-
-fail_handle:
- nouveau_object_dec(object, false);
-fail_init:
- nouveau_object_ref(NULL, &object);
-fail_ctor:
- nouveau_object_ref(NULL, &engctx);
-fail_engctx:
- if (engine)
- nouveau_object_dec(engine, false);
-fail_class:
- return ret;
-}
-
-static int
-nvkm_ioctl_del(struct nouveau_handle *handle, void *data, u32 size)
-{
- struct nouveau_object *object = handle->object;
- union {
- struct nvif_ioctl_del none;
- } *args = data;
- int ret;
-
- nv_ioctl(object, "delete size %d\n", size);
- if (nvif_unvers(args->none)) {
- nv_ioctl(object, "delete\n");
- nouveau_handle_fini(handle, false);
- nouveau_handle_destroy(handle);
- }
-
- return ret;
-}
-
-static int
-nvkm_ioctl_mthd(struct nouveau_handle *handle, void *data, u32 size)
-{
- struct nouveau_object *object = handle->object;
- struct nouveau_ofuncs *ofuncs = object->oclass->ofuncs;
- union {
- struct nvif_ioctl_mthd_v0 v0;
- } *args = data;
- int ret;
-
- nv_ioctl(object, "mthd size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, true)) {
- nv_ioctl(object, "mthd vers %d mthd %02x\n",
- args->v0.version, args->v0.method);
- if (ret = -ENODEV, ofuncs->mthd)
- ret = ofuncs->mthd(object, args->v0.method, data, size);
- }
-
- return ret;
-}
-
-
-static int
-nvkm_ioctl_rd(struct nouveau_handle *handle, void *data, u32 size)
-{
- struct nouveau_object *object = handle->object;
- struct nouveau_ofuncs *ofuncs = object->oclass->ofuncs;
- union {
- struct nvif_ioctl_rd_v0 v0;
- } *args = data;
- int ret;
-
- nv_ioctl(object, "rd size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
- nv_ioctl(object, "rd vers %d size %d addr %016llx\n",
- args->v0.version, args->v0.size, args->v0.addr);
- switch (args->v0.size) {
- case 1:
- if (ret = -ENODEV, ofuncs->rd08) {
- args->v0.data = nv_ro08(object, args->v0.addr);
- ret = 0;
- }
- break;
- case 2:
- if (ret = -ENODEV, ofuncs->rd16) {
- args->v0.data = nv_ro16(object, args->v0.addr);
- ret = 0;
- }
- break;
- case 4:
- if (ret = -ENODEV, ofuncs->rd32) {
- args->v0.data = nv_ro32(object, args->v0.addr);
- ret = 0;
- }
- break;
- default:
- ret = -EINVAL;
- break;
- }
- }
-
- return ret;
-}
-
-static int
-nvkm_ioctl_wr(struct nouveau_handle *handle, void *data, u32 size)
-{
- struct nouveau_object *object = handle->object;
- struct nouveau_ofuncs *ofuncs = object->oclass->ofuncs;
- union {
- struct nvif_ioctl_wr_v0 v0;
- } *args = data;
- int ret;
-
- nv_ioctl(object, "wr size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
- nv_ioctl(object, "wr vers %d size %d addr %016llx data %08x\n",
- args->v0.version, args->v0.size, args->v0.addr,
- args->v0.data);
- switch (args->v0.size) {
- case 1:
- if (ret = -ENODEV, ofuncs->wr08) {
- nv_wo08(object, args->v0.addr, args->v0.data);
- ret = 0;
- }
- break;
- case 2:
- if (ret = -ENODEV, ofuncs->wr16) {
- nv_wo16(object, args->v0.addr, args->v0.data);
- ret = 0;
- }
- break;
- case 4:
- if (ret = -ENODEV, ofuncs->wr32) {
- nv_wo32(object, args->v0.addr, args->v0.data);
- ret = 0;
- }
- break;
- default:
- ret = -EINVAL;
- break;
- }
- }
-
- return ret;
-}
-
-static int
-nvkm_ioctl_map(struct nouveau_handle *handle, void *data, u32 size)
-{
- struct nouveau_object *object = handle->object;
- struct nouveau_ofuncs *ofuncs = object->oclass->ofuncs;
- union {
- struct nvif_ioctl_map_v0 v0;
- } *args = data;
- int ret;
-
- nv_ioctl(object, "map size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
- nv_ioctl(object, "map vers %d\n", args->v0.version);
- if (ret = -ENODEV, ofuncs->map) {
- ret = ofuncs->map(object, &args->v0.handle,
- &args->v0.length);
- }
- }
-
- return ret;
-}
-
-static int
-nvkm_ioctl_unmap(struct nouveau_handle *handle, void *data, u32 size)
-{
- struct nouveau_object *object = handle->object;
- union {
- struct nvif_ioctl_unmap none;
- } *args = data;
- int ret;
-
- nv_ioctl(object, "unmap size %d\n", size);
- if (nvif_unvers(args->none)) {
- nv_ioctl(object, "unmap\n");
- }
-
- return ret;
-}
-
-static int
-nvkm_ioctl_ntfy_new(struct nouveau_handle *handle, void *data, u32 size)
-{
- struct nouveau_object *object = handle->object;
- struct nouveau_ofuncs *ofuncs = object->oclass->ofuncs;
- union {
- struct nvif_ioctl_ntfy_new_v0 v0;
- } *args = data;
- struct nvkm_event *event;
- int ret;
-
- nv_ioctl(object, "ntfy new size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, true)) {
- nv_ioctl(object, "ntfy new vers %d event %02x\n",
- args->v0.version, args->v0.event);
- if (ret = -ENODEV, ofuncs->ntfy)
- ret = ofuncs->ntfy(object, args->v0.event, &event);
- if (ret == 0) {
- ret = nvkm_client_notify_new(object, event, data, size);
- if (ret >= 0) {
- args->v0.index = ret;
- ret = 0;
- }
- }
- }
-
- return ret;
-}
-
-static int
-nvkm_ioctl_ntfy_del(struct nouveau_handle *handle, void *data, u32 size)
-{
- struct nouveau_client *client = nouveau_client(handle->object);
- struct nouveau_object *object = handle->object;
- union {
- struct nvif_ioctl_ntfy_del_v0 v0;
- } *args = data;
- int ret;
-
- nv_ioctl(object, "ntfy del size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
- nv_ioctl(object, "ntfy del vers %d index %d\n",
- args->v0.version, args->v0.index);
- ret = nvkm_client_notify_del(client, args->v0.index);
- }
-
- return ret;
-}
-
-static int
-nvkm_ioctl_ntfy_get(struct nouveau_handle *handle, void *data, u32 size)
-{
- struct nouveau_client *client = nouveau_client(handle->object);
- struct nouveau_object *object = handle->object;
- union {
- struct nvif_ioctl_ntfy_get_v0 v0;
- } *args = data;
- int ret;
-
- nv_ioctl(object, "ntfy get size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
- nv_ioctl(object, "ntfy get vers %d index %d\n",
- args->v0.version, args->v0.index);
- ret = nvkm_client_notify_get(client, args->v0.index);
- }
-
- return ret;
-}
-
-static int
-nvkm_ioctl_ntfy_put(struct nouveau_handle *handle, void *data, u32 size)
-{
- struct nouveau_client *client = nouveau_client(handle->object);
- struct nouveau_object *object = handle->object;
- union {
- struct nvif_ioctl_ntfy_put_v0 v0;
- } *args = data;
- int ret;
-
- nv_ioctl(object, "ntfy put size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
- nv_ioctl(object, "ntfy put vers %d index %d\n",
- args->v0.version, args->v0.index);
- ret = nvkm_client_notify_put(client, args->v0.index);
- }
-
- return ret;
-}
-
-static struct {
- int version;
- int (*func)(struct nouveau_handle *, void *, u32);
-}
-nvkm_ioctl_v0[] = {
- { 0x00, nvkm_ioctl_nop },
- { 0x00, nvkm_ioctl_sclass },
- { 0x00, nvkm_ioctl_new },
- { 0x00, nvkm_ioctl_del },
- { 0x00, nvkm_ioctl_mthd },
- { 0x00, nvkm_ioctl_rd },
- { 0x00, nvkm_ioctl_wr },
- { 0x00, nvkm_ioctl_map },
- { 0x00, nvkm_ioctl_unmap },
- { 0x00, nvkm_ioctl_ntfy_new },
- { 0x00, nvkm_ioctl_ntfy_del },
- { 0x00, nvkm_ioctl_ntfy_get },
- { 0x00, nvkm_ioctl_ntfy_put },
-};
-
-static int
-nvkm_ioctl_path(struct nouveau_handle *parent, u32 type, u32 nr,
- u32 *path, void *data, u32 size,
- u8 owner, u8 *route, u64 *token)
-{
- struct nouveau_handle *handle = parent;
- struct nouveau_namedb *namedb;
- struct nouveau_object *object;
- int ret;
-
- while ((object = parent->object), nr--) {
- nv_ioctl(object, "path 0x%08x\n", path[nr]);
- if (!nv_iclass(object, NV_PARENT_CLASS)) {
- nv_debug(object, "cannot have children (path)\n");
- return -EINVAL;
- }
-
- if (!(namedb = (void *)nv_pclass(object, NV_NAMEDB_CLASS)) ||
- !(handle = nouveau_namedb_get(namedb, path[nr]))) {
- nv_debug(object, "handle 0x%08x not found\n", path[nr]);
- return -ENOENT;
- }
- nouveau_namedb_put(handle);
- parent = handle;
- }
-
- if (owner != NVIF_IOCTL_V0_OWNER_ANY &&
- owner != handle->route) {
- nv_ioctl(object, "object route != owner\n");
- return -EACCES;
- }
- *route = handle->route;
- *token = handle->token;
-
- if (ret = -EINVAL, type < ARRAY_SIZE(nvkm_ioctl_v0)) {
- if (nvkm_ioctl_v0[type].version == 0) {
- ret = nvkm_ioctl_v0[type].func(handle, data, size);
- }
- }
-
- return ret;
-}
-
-int
-nvkm_ioctl(struct nouveau_client *client, bool supervisor,
- void *data, u32 size, void **hack)
-{
- union {
- struct nvif_ioctl_v0 v0;
- } *args = data;
- int ret;
-
- client->super = supervisor;
- nv_ioctl(client, "size %d\n", size);
-
- if (nvif_unpack(args->v0, 0, 0, true)) {
- nv_ioctl(client, "vers %d type %02x path %d owner %02x\n",
- args->v0.version, args->v0.type, args->v0.path_nr,
- args->v0.owner);
- ret = nvkm_ioctl_path(client->root, args->v0.type,
- args->v0.path_nr, args->v0.path,
- data, size, args->v0.owner,
- &args->v0.route, &args->v0.token);
- }
-
- nv_ioctl(client, "return %d\n", ret);
- if (hack) {
- *hack = client->data;
- client->data = NULL;
- }
- client->super = false;
- return ret;
-}
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