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DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Apr 2024 23:42:36.2835 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9b39f838-908d-47f9-5a0c-08dc5e6ee531 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.161]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DS2PEPF00003440.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW6PR12MB8733 X-BeenThere: nouveau@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Nouveau development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces@lists.freedesktop.org Sender: "Nouveau" - transition from "ioctl" interface Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/include/nvif/clb069.h | 8 --- .../gpu/drm/nouveau/include/nvif/driverif.h | 12 ++++ drivers/gpu/drm/nouveau/include/nvif/event.h | 3 + .../gpu/drm/nouveau/include/nvkm/core/event.h | 9 ++- drivers/gpu/drm/nouveau/nouveau_svm.c | 8 ++- drivers/gpu/drm/nouveau/nvif/event.c | 33 ++++++++-- drivers/gpu/drm/nouveau/nvkm/core/uevent.c | 65 +++++++++++++++++++ .../gpu/drm/nouveau/nvkm/subdev/fault/user.c | 20 ++---- 8 files changed, 126 insertions(+), 32 deletions(-) delete mode 100644 drivers/gpu/drm/nouveau/include/nvif/clb069.h diff --git a/drivers/gpu/drm/nouveau/include/nvif/clb069.h b/drivers/gpu/drm/nouveau/include/nvif/clb069.h deleted file mode 100644 index 67bf579ced18..000000000000 --- a/drivers/gpu/drm/nouveau/include/nvif/clb069.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef __NVIF_CLB069_H__ -#define __NVIF_CLB069_H__ - -union nvif_clb069_event_args { - struct nvif_clb069_event_vn { - } vn; -}; -#endif diff --git a/drivers/gpu/drm/nouveau/include/nvif/driverif.h b/drivers/gpu/drm/nouveau/include/nvif/driverif.h index ba987233ec74..81375819c787 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/driverif.h +++ b/drivers/gpu/drm/nouveau/include/nvif/driverif.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: MIT */ #ifndef __NVIF_DRIVERIF_H__ #define __NVIF_DRIVERIF_H__ +struct nvif_event_priv; struct nvif_client_priv; struct nvif_device_priv; struct nvif_control_priv; @@ -19,6 +20,12 @@ struct nvif_driver { void (*unmap)(struct nvif_client_priv *, void __iomem *ptr, u32 size); }; +struct nvif_event_impl { + void (*del)(struct nvif_event_priv *); + int (*allow)(struct nvif_event_priv *); + int (*block)(struct nvif_event_priv *); +}; + struct nvif_mapinfo { enum nvif_map_type { NVIF_MAP_IO, @@ -202,6 +209,11 @@ struct nvif_faultbuf_impl { u32 entries; u32 get; u32 put; + + struct { + int (*new)(struct nvif_faultbuf_priv *, u64 token, + const struct nvif_event_impl **, struct nvif_event_priv **); + } event; }; struct nvif_device_impl { diff --git a/drivers/gpu/drm/nouveau/include/nvif/event.h b/drivers/gpu/drm/nouveau/include/nvif/event.h index 1683e138c7f8..338082bdc67c 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/event.h +++ b/drivers/gpu/drm/nouveau/include/nvif/event.h @@ -10,7 +10,10 @@ struct nvif_event; typedef int (*nvif_event_func)(struct nvif_event *, void *repv, u32 repc); struct nvif_event { + const struct nvif_event_impl *impl; + struct nvif_event_priv *priv; struct nvif_object object; + nvif_event_func func; }; diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/event.h b/drivers/gpu/drm/nouveau/include/nvkm/core/event.h index 460459af272d..f31f0f30732a 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/event.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/event.h @@ -4,7 +4,6 @@ #include struct nvkm_object; struct nvkm_oclass; -struct nvkm_uevent; struct nvkm_event { const struct nvkm_event_func *func; @@ -72,6 +71,12 @@ void nvkm_event_ntfy_block(struct nvkm_event_ntfy *); typedef int (*nvkm_uevent_func)(struct nvkm_object *, u64 token, u32 bits); +struct nvif_event_impl; +struct nvif_event_priv; +int nvkm_uevent_new_(struct nvkm_object *parent, u64 handle, struct nvkm_event *event, + bool wait, int id, u32 bits, nvkm_uevent_func, + const struct nvif_event_impl **, struct nvif_event_priv **); int nvkm_uevent_new(const struct nvkm_oclass *, void *argv, u32 argc, struct nvkm_object **); -int nvkm_uevent_add(struct nvkm_uevent *, struct nvkm_event *, int id, u32 bits, nvkm_uevent_func); +int nvkm_uevent_add(struct nvif_event_priv *, struct nvkm_event *, int id, u32 bits, + nvkm_uevent_func); #endif diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c index 43218da5d0f3..382f886e4130 100644 --- a/drivers/gpu/drm/nouveau/nouveau_svm.c +++ b/drivers/gpu/drm/nouveau/nouveau_svm.c @@ -29,7 +29,6 @@ #include #include -#include #include #include @@ -998,11 +997,14 @@ nouveau_svm_fault_buffer_ctor(struct nouveau_svm *svm, s32 oclass, int id) INIT_WORK(&buffer->work, nouveau_svm_fault); - ret = nvif_event_ctor(&buffer->object, "svmFault", id, nouveau_svm_event, true, NULL, 0, - &buffer->notify); + ret = buffer->impl->event.new(buffer->priv, nvif_handle(&buffer->notify.object), + &buffer->notify.impl, &buffer->notify.priv); if (ret) return ret; + nvif_event_ctor(&buffer->object, "svmFaultEvent", buffer->id, nouveau_svm_event, + &buffer->notify); + buffer->fault = kvcalloc(buffer->entries, sizeof(*buffer->fault), GFP_KERNEL); if (!buffer->fault) return -ENOMEM; diff --git a/drivers/gpu/drm/nouveau/nvif/event.c b/drivers/gpu/drm/nouveau/nvif/event.c index 61ff4d6eba9f..5b8ec641703b 100644 --- a/drivers/gpu/drm/nouveau/nvif/event.c +++ b/drivers/gpu/drm/nouveau/nvif/event.c @@ -20,6 +20,7 @@ * OTHER DEALINGS IN THE SOFTWARE. */ #include +#include #include #include @@ -28,29 +29,51 @@ int nvif_event_block(struct nvif_event *event) { - if (nvif_event_constructed(event)) { + int ret; + + if (!event->impl && nvif_event_constructed(event)) { int ret = nvif_mthd(&event->object, NVIF_EVENT_V0_BLOCK, NULL, 0); NVIF_ERRON(ret, &event->object, "[BLOCK]"); return ret; } - return 0; + + if (!event->impl) + return 0; + + ret = event->impl->block(event->priv); + NVIF_ERRON(ret, &event->object, "[BLOCK]"); + return ret; } int nvif_event_allow(struct nvif_event *event) { - if (nvif_event_constructed(event)) { + int ret; + + if (!event->impl && nvif_event_constructed(event)) { int ret = nvif_mthd(&event->object, NVIF_EVENT_V0_ALLOW, NULL, 0); NVIF_ERRON(ret, &event->object, "[ALLOW]"); return ret; } - return 0; + + if (!event->impl) + return 0; + + ret = event->impl->allow(event->priv); + NVIF_ERRON(ret, &event->object, "[ALLOW]"); + return ret; } void nvif_event_dtor(struct nvif_event *event) { - nvif_object_dtor(&event->object); + if (!event->impl) { + nvif_object_dtor(&event->object); + return; + } + + event->impl->del(event->priv); + event->impl = NULL; } int diff --git a/drivers/gpu/drm/nouveau/nvkm/core/uevent.c b/drivers/gpu/drm/nouveau/nvkm/core/uevent.c index 900814c9a6bd..d922eebb689c 100644 --- a/drivers/gpu/drm/nouveau/nvkm/core/uevent.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/uevent.c @@ -22,6 +22,7 @@ #include #include +#include #include struct nvif_event_priv { @@ -71,6 +72,38 @@ nvkm_uevent_mthd(struct nvkm_object *object, u32 mthd, void *argv, u32 argc) return -EINVAL; } +static int +nvkm_uevent_block(struct nvif_event_priv *uevent) +{ + nvkm_event_ntfy_block(&uevent->ntfy); + atomic_set(&uevent->allowed, 0); + return 0; +} + +static int +nvkm_uevent_allow(struct nvif_event_priv *uevent) +{ + nvkm_event_ntfy_allow(&uevent->ntfy); + atomic_set(&uevent->allowed, 1); + return 0; +} + +static void +nvkm_uevent_del(struct nvif_event_priv *uevent) +{ + struct nvkm_object *object = &uevent->object; + + nvkm_object_fini(object, false); + nvkm_object_del(&object); +} + +static const struct nvif_event_impl +nvkm_uevent_impl = { + .del = nvkm_uevent_del, + .allow = nvkm_uevent_allow, + .block = nvkm_uevent_block, +}; + static int nvkm_uevent_fini(struct nvkm_object *object, bool suspend) { @@ -154,3 +187,35 @@ nvkm_uevent_new(const struct nvkm_oclass *oclass, void *argv, u32 argc, uevent->ntfy.event = NULL; return parent->func->uevent(parent, &args->v0.data, argc - sizeof(args->v0), uevent); } + +int +nvkm_uevent_new_(struct nvkm_object *parent, u64 handle, struct nvkm_event *event, + bool wait, int id, u32 bits, nvkm_uevent_func func, + const struct nvif_event_impl **pimpl, struct nvif_event_priv **ppriv) +{ + struct nvif_event_priv *uevent; + int ret; + + uevent = kzalloc(sizeof(*uevent), GFP_KERNEL); + if (!uevent) + return -ENOMEM; + + nvkm_object_ctor(&nvkm_uevent, &(struct nvkm_oclass) {}, &uevent->object); + uevent->object.object = handle; + uevent->parent = parent; + uevent->func = NULL; + uevent->wait = wait; + uevent->ntfy.event = NULL; + + ret = nvkm_uevent_add(uevent, event, id, bits, func); + if (ret) { + kfree(uevent); + return ret; + } + + *pimpl = &nvkm_uevent_impl; + *ppriv = uevent; + + nvkm_object_link(parent, &uevent->object); + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/user.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/user.c index de7a79607eff..cbe1ead00a02 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/user.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/user.c @@ -26,9 +26,6 @@ #include #include -#include -#include - struct nvif_faultbuf_priv { struct nvkm_object object; struct nvkm_fault_buffer *buffer; @@ -37,18 +34,13 @@ struct nvif_faultbuf_priv { }; static int -nvkm_ufault_uevent(struct nvkm_object *object, void *argv, u32 argc, struct nvkm_uevent *uevent) +nvkm_ufault_event_new(struct nvif_faultbuf_priv *ufault, u64 token, + const struct nvif_event_impl **pimpl, struct nvif_event_priv **ppriv) { - struct nvkm_fault_buffer *buffer = container_of(object, struct nvif_faultbuf_priv, object)->buffer; - union nvif_clb069_event_args *args = argv; - - if (!uevent) - return 0; - if (argc != sizeof(args->vn)) - return -ENOSYS; + struct nvkm_fault_buffer *buffer = ufault->buffer; - return nvkm_uevent_add(uevent, &buffer->fault->event, buffer->id, - NVKM_FAULT_BUFFER_EVENT_PENDING, NULL); + return nvkm_uevent_new_(&ufault->object, token, &buffer->fault->event, true, buffer->id, + NVKM_FAULT_BUFFER_EVENT_PENDING, NULL, pimpl, ppriv); } static void @@ -63,6 +55,7 @@ nvkm_ufault_del(struct nvif_faultbuf_priv *ufault) static const struct nvif_faultbuf_impl nvkm_ufault_impl = { .del = nvkm_ufault_del, + .event.new = nvkm_ufault_event_new, }; static int @@ -96,7 +89,6 @@ nvkm_ufault = { .dtor = nvkm_ufault_dtor, .init = nvkm_ufault_init, .fini = nvkm_ufault_fini, - .uevent = nvkm_ufault_uevent, }; int -- 2.41.0