diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/core/ioctl.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/core/ioctl.c | 395 |
1 files changed, 158 insertions, 237 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c b/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c index 4459ff5f4..d87d6ab03 100644 --- a/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c @@ -24,196 +24,154 @@ #include <core/ioctl.h> #include <core/client.h> #include <core/engine.h> -#include <core/handle.h> -#include <core/namedb.h> #include <nvif/unpack.h> #include <nvif/ioctl.h> static int -nvkm_ioctl_nop(struct nvkm_handle *handle, void *data, u32 size) +nvkm_ioctl_nop(struct nvkm_object *object, void *data, u32 size) { - struct nvkm_object *object = handle->object; union { - struct nvif_ioctl_nop none; + struct nvif_ioctl_nop_v0 v0; } *args = data; int ret; - nv_ioctl(object, "nop size %d\n", size); - if (nvif_unvers(args->none)) { - nv_ioctl(object, "nop\n"); + nvif_ioctl(object, "nop size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nvif_ioctl(object, "nop vers %lld\n", args->v0.version); + args->v0.version = NVIF_VERSION_LATEST; } return ret; } static int -nvkm_ioctl_sclass(struct nvkm_handle *handle, void *data, u32 size) +nvkm_ioctl_sclass(struct nvkm_object *object, void *data, u32 size) { - struct nvkm_object *object = handle->object; union { struct nvif_ioctl_sclass_v0 v0; } *args = data; - int ret; + struct nvkm_oclass oclass; + int ret, i = 0; - 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); + nvif_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 = nvkm_parent_lclass(object, args->v0.oclass, - args->v0.count); - if (ret >= 0) { - args->v0.count = ret; - ret = 0; + nvif_ioctl(object, "sclass vers %d count %d\n", + args->v0.version, args->v0.count); + if (size != args->v0.count * sizeof(args->v0.oclass[0])) + return -EINVAL; + + while (object->func->sclass && + object->func->sclass(object, i, &oclass) >= 0) { + if (i < args->v0.count) { + args->v0.oclass[i].oclass = oclass.base.oclass; + args->v0.oclass[i].minver = oclass.base.minver; + args->v0.oclass[i].maxver = oclass.base.maxver; } - } else { - ret = -EINVAL; + i++; } + + args->v0.count = i; } return ret; } static int -nvkm_ioctl_new(struct nvkm_handle *handle, void *data, u32 size) +nvkm_ioctl_new(struct nvkm_object *parent, void *data, u32 size) { union { struct nvif_ioctl_new_v0 v0; } *args = data; - struct nvkm_client *client = nvkm_client(handle->object); - struct nvkm_object *engctx = NULL; + struct nvkm_client *client = parent->client; struct nvkm_object *object = NULL; - struct nvkm_parent *parent; - struct nvkm_object *engine; - struct nvkm_oclass *oclass; - u32 _handle, _oclass; - int ret; + struct nvkm_oclass oclass; + int ret, i = 0; - nv_ioctl(client, "new size %d\n", size); + nvif_ioctl(parent, "new size %d\n", size); if (nvif_unpack(args->v0, 0, 0, true)) { - _handle = args->v0.handle; - _oclass = args->v0.oclass; + nvif_ioctl(parent, "new vers %d handle %08x class %08x " + "route %02x token %llx object %016llx\n", + args->v0.version, args->v0.handle, args->v0.oclass, + args->v0.route, args->v0.token, args->v0.object); } 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; + if (!parent->func->sclass) { + nvif_ioctl(parent, "cannot have children\n"); + return -EINVAL; } - parent = nv_parent(handle->object); - - /* check that parent supports the requested subclass */ - ret = nvkm_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 = nvkm_object_inc(engine); + do { + memset(&oclass, 0x00, sizeof(oclass)); + oclass.client = client; + oclass.handle = args->v0.handle; + oclass.object = args->v0.object; + oclass.parent = parent; + ret = parent->func->sclass(parent, i++, &oclass); if (ret) - goto fail_class; + return ret; + } while (oclass.base.oclass != args->v0.oclass); + + if (oclass.engine) { + oclass.engine = nvkm_engine_ref(oclass.engine); + if (IS_ERR(oclass.engine)) + return PTR_ERR(oclass.engine); } - /* 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 = nvkm_object_ctor(&parent->object, engine, - nv_engine(engine)->cclass, - data, size, &engctx); - if (ret) - goto fail_engctx; - } else { - nvkm_object_ref(&parent->object, &engctx); + ret = oclass.ctor(&oclass, data, size, &object); + nvkm_engine_unref(&oclass.engine); + if (ret == 0) { + ret = nvkm_object_init(object); + if (ret == 0) { + list_add(&object->head, &parent->tree); + object->route = args->v0.route; + object->token = args->v0.token; + object->object = args->v0.object; + if (nvkm_client_insert(client, object)) { + client->data = object; + return 0; + } + ret = -EEXIST; + } + nvkm_object_fini(object, false); } - /* finally, create new object and bind it to its handle */ - ret = nvkm_object_ctor(engctx, engine, oclass, data, size, &object); - client->data = object; - if (ret) - goto fail_ctor; - - ret = nvkm_object_inc(object); - if (ret) - goto fail_init; - - ret = nvkm_handle_create(&parent->object, handle->name, - _handle, object, &handle); - if (ret) - goto fail_handle; - - ret = nvkm_handle_init(handle); - handle->route = args->v0.route; - handle->token = args->v0.token; - if (ret) - nvkm_handle_destroy(handle); - -fail_handle: - nvkm_object_dec(object, false); -fail_init: - nvkm_object_ref(NULL, &object); -fail_ctor: - nvkm_object_ref(NULL, &engctx); -fail_engctx: - if (engine) - nvkm_object_dec(engine, false); -fail_class: + nvkm_object_del(&object); return ret; } static int -nvkm_ioctl_del(struct nvkm_handle *handle, void *data, u32 size) +nvkm_ioctl_del(struct nvkm_object *object, void *data, u32 size) { - struct nvkm_object *object = handle->object; union { struct nvif_ioctl_del none; } *args = data; int ret; - nv_ioctl(object, "delete size %d\n", size); + nvif_ioctl(object, "delete size %d\n", size); if (nvif_unvers(args->none)) { - nv_ioctl(object, "delete\n"); - nvkm_handle_fini(handle, false); - nvkm_handle_destroy(handle); + nvif_ioctl(object, "delete\n"); + nvkm_object_fini(object, false); + nvkm_object_del(&object); } return ret; } static int -nvkm_ioctl_mthd(struct nvkm_handle *handle, void *data, u32 size) +nvkm_ioctl_mthd(struct nvkm_object *object, void *data, u32 size) { - struct nvkm_object *object = handle->object; - struct nvkm_ofuncs *ofuncs = object->oclass->ofuncs; union { struct nvif_ioctl_mthd_v0 v0; } *args = data; int ret; - nv_ioctl(object, "mthd size %d\n", size); + nvif_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); + nvif_ioctl(object, "mthd vers %d mthd %02x\n", + args->v0.version, args->v0.method); + ret = nvkm_object_mthd(object, args->v0.method, data, size); } return ret; @@ -221,37 +179,34 @@ nvkm_ioctl_mthd(struct nvkm_handle *handle, void *data, u32 size) static int -nvkm_ioctl_rd(struct nvkm_handle *handle, void *data, u32 size) +nvkm_ioctl_rd(struct nvkm_object *object, void *data, u32 size) { - struct nvkm_object *object = handle->object; - struct nvkm_ofuncs *ofuncs = object->oclass->ofuncs; union { struct nvif_ioctl_rd_v0 v0; } *args = data; + union { + u8 b08; + u16 b16; + u32 b32; + } v; int ret; - nv_ioctl(object, "rd size %d\n", size); + nvif_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); + nvif_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; - } + ret = nvkm_object_rd08(object, args->v0.addr, &v.b08); + args->v0.data = v.b08; break; case 2: - if (ret = -ENODEV, ofuncs->rd16) { - args->v0.data = nv_ro16(object, args->v0.addr); - ret = 0; - } + ret = nvkm_object_rd16(object, args->v0.addr, &v.b16); + args->v0.data = v.b16; break; case 4: - if (ret = -ENODEV, ofuncs->rd32) { - args->v0.data = nv_ro32(object, args->v0.addr); - ret = 0; - } + ret = nvkm_object_rd32(object, args->v0.addr, &v.b32); + args->v0.data = v.b32; break; default: ret = -EINVAL; @@ -263,104 +218,81 @@ nvkm_ioctl_rd(struct nvkm_handle *handle, void *data, u32 size) } static int -nvkm_ioctl_wr(struct nvkm_handle *handle, void *data, u32 size) +nvkm_ioctl_wr(struct nvkm_object *object, void *data, u32 size) { - struct nvkm_object *object = handle->object; - struct nvkm_ofuncs *ofuncs = object->oclass->ofuncs; union { struct nvif_ioctl_wr_v0 v0; } *args = data; int ret; - nv_ioctl(object, "wr size %d\n", size); + nvif_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; - } + nvif_ioctl(object, + "wr vers %d size %d addr %016llx data %08x\n", + args->v0.version, args->v0.size, args->v0.addr, + args->v0.data); + } else + return ret; + + switch (args->v0.size) { + case 1: return nvkm_object_wr08(object, args->v0.addr, args->v0.data); + case 2: return nvkm_object_wr16(object, args->v0.addr, args->v0.data); + case 4: return nvkm_object_wr32(object, args->v0.addr, args->v0.data); + default: + break; } - return ret; + return -EINVAL; } static int -nvkm_ioctl_map(struct nvkm_handle *handle, void *data, u32 size) +nvkm_ioctl_map(struct nvkm_object *object, void *data, u32 size) { - struct nvkm_object *object = handle->object; - struct nvkm_ofuncs *ofuncs = object->oclass->ofuncs; union { struct nvif_ioctl_map_v0 v0; } *args = data; int ret; - nv_ioctl(object, "map size %d\n", size); + nvif_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); - } + nvif_ioctl(object, "map vers %d\n", args->v0.version); + ret = nvkm_object_map(object, &args->v0.handle, + &args->v0.length); } return ret; } static int -nvkm_ioctl_unmap(struct nvkm_handle *handle, void *data, u32 size) +nvkm_ioctl_unmap(struct nvkm_object *object, void *data, u32 size) { - struct nvkm_object *object = handle->object; union { struct nvif_ioctl_unmap none; } *args = data; int ret; - nv_ioctl(object, "unmap size %d\n", size); + nvif_ioctl(object, "unmap size %d\n", size); if (nvif_unvers(args->none)) { - nv_ioctl(object, "unmap\n"); + nvif_ioctl(object, "unmap\n"); } return ret; } static int -nvkm_ioctl_ntfy_new(struct nvkm_handle *handle, void *data, u32 size) +nvkm_ioctl_ntfy_new(struct nvkm_object *object, void *data, u32 size) { - struct nvkm_object *object = handle->object; - struct nvkm_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); + nvif_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); + nvif_ioctl(object, "ntfy new vers %d event %02x\n", + args->v0.version, args->v0.event); + ret = nvkm_object_ntfy(object, args->v0.event, &event); if (ret == 0) { ret = nvkm_client_notify_new(object, event, data, size); if (ret >= 0) { @@ -374,19 +306,18 @@ nvkm_ioctl_ntfy_new(struct nvkm_handle *handle, void *data, u32 size) } static int -nvkm_ioctl_ntfy_del(struct nvkm_handle *handle, void *data, u32 size) +nvkm_ioctl_ntfy_del(struct nvkm_object *object, void *data, u32 size) { - struct nvkm_client *client = nvkm_client(handle->object); - struct nvkm_object *object = handle->object; + struct nvkm_client *client = object->client; union { struct nvif_ioctl_ntfy_del_v0 v0; } *args = data; int ret; - nv_ioctl(object, "ntfy del size %d\n", size); + nvif_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); + nvif_ioctl(object, "ntfy del vers %d index %d\n", + args->v0.version, args->v0.index); ret = nvkm_client_notify_del(client, args->v0.index); } @@ -394,19 +325,18 @@ nvkm_ioctl_ntfy_del(struct nvkm_handle *handle, void *data, u32 size) } static int -nvkm_ioctl_ntfy_get(struct nvkm_handle *handle, void *data, u32 size) +nvkm_ioctl_ntfy_get(struct nvkm_object *object, void *data, u32 size) { - struct nvkm_client *client = nvkm_client(handle->object); - struct nvkm_object *object = handle->object; + struct nvkm_client *client = object->client; union { struct nvif_ioctl_ntfy_get_v0 v0; } *args = data; int ret; - nv_ioctl(object, "ntfy get size %d\n", size); + nvif_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); + nvif_ioctl(object, "ntfy get vers %d index %d\n", + args->v0.version, args->v0.index); ret = nvkm_client_notify_get(client, args->v0.index); } @@ -414,19 +344,18 @@ nvkm_ioctl_ntfy_get(struct nvkm_handle *handle, void *data, u32 size) } static int -nvkm_ioctl_ntfy_put(struct nvkm_handle *handle, void *data, u32 size) +nvkm_ioctl_ntfy_put(struct nvkm_object *object, void *data, u32 size) { - struct nvkm_client *client = nvkm_client(handle->object); - struct nvkm_object *object = handle->object; + struct nvkm_client *client = object->client; union { struct nvif_ioctl_ntfy_put_v0 v0; } *args = data; int ret; - nv_ioctl(object, "ntfy put size %d\n", size); + nvif_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); + nvif_ioctl(object, "ntfy put vers %d index %d\n", + args->v0.version, args->v0.index); ret = nvkm_client_notify_put(client, args->v0.index); } @@ -435,7 +364,7 @@ nvkm_ioctl_ntfy_put(struct nvkm_handle *handle, void *data, u32 size) static struct { int version; - int (*func)(struct nvkm_handle *, void *, u32); + int (*func)(struct nvkm_object *, void *, u32); } nvkm_ioctl_v0[] = { { 0x00, nvkm_ioctl_nop }, @@ -454,40 +383,31 @@ nvkm_ioctl_v0[] = { }; static int -nvkm_ioctl_path(struct nvkm_handle *parent, u32 type, u32 nr, u32 *path, +nvkm_ioctl_path(struct nvkm_client *client, u64 handle, u32 type, void *data, u32 size, u8 owner, u8 *route, u64 *token) { - struct nvkm_handle *handle = parent; - struct nvkm_namedb *namedb; struct nvkm_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 = nvkm_namedb_get(namedb, path[nr]))) { - nv_debug(object, "handle 0x%08x not found\n", path[nr]); - return -ENOENT; - } - nvkm_namedb_put(handle); - parent = handle; + if (handle) + object = nvkm_client_search(client, handle); + else + object = &client->object; + if (unlikely(!object)) { + nvif_ioctl(&client->object, "object not found\n"); + return -ENOENT; } - if (owner != NVIF_IOCTL_V0_OWNER_ANY && owner != handle->route) { - nv_ioctl(object, "object route != owner\n"); + if (owner != NVIF_IOCTL_V0_OWNER_ANY && owner != object->route) { + nvif_ioctl(&client->object, "route != owner\n"); return -EACCES; } - *route = handle->route; - *token = handle->token; + *route = object->route; + *token = object->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); + ret = nvkm_ioctl_v0[type].func(object, data, size); } return ret; @@ -497,25 +417,26 @@ int nvkm_ioctl(struct nvkm_client *client, bool supervisor, void *data, u32 size, void **hack) { + struct nvkm_object *object = &client->object; union { struct nvif_ioctl_v0 v0; } *args = data; int ret; client->super = supervisor; - nv_ioctl(client, "size %d\n", size); + nvif_ioctl(object, "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, + nvif_ioctl(object, + "vers %d type %02x object %016llx owner %02x\n", + args->v0.version, args->v0.type, args->v0.object, + args->v0.owner); + ret = nvkm_ioctl_path(client, args->v0.object, args->v0.type, data, size, args->v0.owner, &args->v0.route, &args->v0.token); } - nv_ioctl(client, "return %d\n", ret); + nvif_ioctl(object, "return %d\n", ret); if (hack) { *hack = client->data; client->data = NULL; |