diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/drm_prime.h | 3 | ||||
| -rw-r--r-- | include/uapi/linux/kfd_ioctl.h | 100 |
2 files changed, 90 insertions, 13 deletions
diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h index 2a1d01e5b56b..fa085c44d4ca 100644 --- a/include/drm/drm_prime.h +++ b/include/drm/drm_prime.h @@ -69,6 +69,9 @@ void drm_gem_dmabuf_release(struct dma_buf *dma_buf); int drm_gem_prime_fd_to_handle(struct drm_device *dev, struct drm_file *file_priv, int prime_fd, uint32_t *handle); +struct dma_buf *drm_gem_prime_handle_to_dmabuf(struct drm_device *dev, + struct drm_file *file_priv, uint32_t handle, + uint32_t flags); int drm_gem_prime_handle_to_fd(struct drm_device *dev, struct drm_file *file_priv, uint32_t handle, uint32_t flags, int *prime_fd); diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h index 71a7ce5f2d4c..717307d6b5b7 100644 --- a/include/uapi/linux/kfd_ioctl.h +++ b/include/uapi/linux/kfd_ioctl.h @@ -540,26 +540,29 @@ enum kfd_smi_event { KFD_SMI_EVENT_ALL_PROCESS = 64 }; +/* The reason of the page migration event */ enum KFD_MIGRATE_TRIGGERS { - KFD_MIGRATE_TRIGGER_PREFETCH, - KFD_MIGRATE_TRIGGER_PAGEFAULT_GPU, - KFD_MIGRATE_TRIGGER_PAGEFAULT_CPU, - KFD_MIGRATE_TRIGGER_TTM_EVICTION + KFD_MIGRATE_TRIGGER_PREFETCH, /* Prefetch to GPU VRAM or system memory */ + KFD_MIGRATE_TRIGGER_PAGEFAULT_GPU, /* GPU page fault recover */ + KFD_MIGRATE_TRIGGER_PAGEFAULT_CPU, /* CPU page fault recover */ + KFD_MIGRATE_TRIGGER_TTM_EVICTION /* TTM eviction */ }; +/* The reason of user queue evition event */ enum KFD_QUEUE_EVICTION_TRIGGERS { - KFD_QUEUE_EVICTION_TRIGGER_SVM, - KFD_QUEUE_EVICTION_TRIGGER_USERPTR, - KFD_QUEUE_EVICTION_TRIGGER_TTM, - KFD_QUEUE_EVICTION_TRIGGER_SUSPEND, - KFD_QUEUE_EVICTION_CRIU_CHECKPOINT, - KFD_QUEUE_EVICTION_CRIU_RESTORE + KFD_QUEUE_EVICTION_TRIGGER_SVM, /* SVM buffer migration */ + KFD_QUEUE_EVICTION_TRIGGER_USERPTR, /* userptr movement */ + KFD_QUEUE_EVICTION_TRIGGER_TTM, /* TTM move buffer */ + KFD_QUEUE_EVICTION_TRIGGER_SUSPEND, /* GPU suspend */ + KFD_QUEUE_EVICTION_CRIU_CHECKPOINT, /* CRIU checkpoint */ + KFD_QUEUE_EVICTION_CRIU_RESTORE /* CRIU restore */ }; +/* The reason of unmap buffer from GPU event */ enum KFD_SVM_UNMAP_TRIGGERS { - KFD_SVM_UNMAP_TRIGGER_MMU_NOTIFY, - KFD_SVM_UNMAP_TRIGGER_MMU_NOTIFY_MIGRATE, - KFD_SVM_UNMAP_TRIGGER_UNMAP_FROM_CPU + KFD_SVM_UNMAP_TRIGGER_MMU_NOTIFY, /* MMU notifier CPU buffer movement */ + KFD_SVM_UNMAP_TRIGGER_MMU_NOTIFY_MIGRATE,/* MMU notifier page migration */ + KFD_SVM_UNMAP_TRIGGER_UNMAP_FROM_CPU /* Unmap to free the buffer */ }; #define KFD_SMI_EVENT_MASK_FROM_INDEX(i) (1ULL << ((i) - 1)) @@ -570,6 +573,77 @@ struct kfd_ioctl_smi_events_args { __u32 anon_fd; /* from KFD */ }; +/* + * SVM event tracing via SMI system management interface + * + * Open event file descriptor + * use ioctl AMDKFD_IOC_SMI_EVENTS, pass in gpuid and return a anonymous file + * descriptor to receive SMI events. + * If calling with sudo permission, then file descriptor can be used to receive + * SVM events from all processes, otherwise, to only receive SVM events of same + * process. + * + * To enable the SVM event + * Write event file descriptor with KFD_SMI_EVENT_MASK_FROM_INDEX(event) bitmap + * mask to start record the event to the kfifo, use bitmap mask combination + * for multiple events. New event mask will overwrite the previous event mask. + * KFD_SMI_EVENT_MASK_FROM_INDEX(KFD_SMI_EVENT_ALL_PROCESS) bit requires sudo + * permisson to receive SVM events from all process. + * + * To receive the event + * Application can poll file descriptor to wait for the events, then read event + * from the file into a buffer. Each event is one line string message, starting + * with the event id, then the event specific information. + * + * To decode event information + * The following event format string macro can be used with sscanf to decode + * the specific event information. + * event triggers: the reason to generate the event, defined as enum for unmap, + * eviction and migrate events. + * node, from, to, prefetch_loc, preferred_loc: GPU ID, or 0 for system memory. + * addr: user mode address, in pages + * size: in pages + * pid: the process ID to generate the event + * ns: timestamp in nanosecond-resolution, starts at system boot time but + * stops during suspend + * migrate_update: GPU page fault is recovered by 'M' for migrate, 'U' for update + * rw: 'W' for write page fault, 'R' for read page fault + * rescheduled: 'R' if the queue restore failed and rescheduled to try again + */ +#define KFD_EVENT_FMT_UPDATE_GPU_RESET(reset_seq_num, reset_cause)\ + "%x %s\n", (reset_seq_num), (reset_cause) + +#define KFD_EVENT_FMT_THERMAL_THROTTLING(bitmask, counter)\ + "%llx:%llx\n", (bitmask), (counter) + +#define KFD_EVENT_FMT_VMFAULT(pid, task_name)\ + "%x:%s\n", (pid), (task_name) + +#define KFD_EVENT_FMT_PAGEFAULT_START(ns, pid, addr, node, rw)\ + "%lld -%d @%lx(%x) %c\n", (ns), (pid), (addr), (node), (rw) + +#define KFD_EVENT_FMT_PAGEFAULT_END(ns, pid, addr, node, migrate_update)\ + "%lld -%d @%lx(%x) %c\n", (ns), (pid), (addr), (node), (migrate_update) + +#define KFD_EVENT_FMT_MIGRATE_START(ns, pid, start, size, from, to, prefetch_loc,\ + preferred_loc, migrate_trigger)\ + "%lld -%d @%lx(%lx) %x->%x %x:%x %d\n", (ns), (pid), (start), (size),\ + (from), (to), (prefetch_loc), (preferred_loc), (migrate_trigger) + +#define KFD_EVENT_FMT_MIGRATE_END(ns, pid, start, size, from, to, migrate_trigger)\ + "%lld -%d @%lx(%lx) %x->%x %d\n", (ns), (pid), (start), (size),\ + (from), (to), (migrate_trigger) + +#define KFD_EVENT_FMT_QUEUE_EVICTION(ns, pid, node, evict_trigger)\ + "%lld -%d %x %d\n", (ns), (pid), (node), (evict_trigger) + +#define KFD_EVENT_FMT_QUEUE_RESTORE(ns, pid, node, rescheduled)\ + "%lld -%d %x %c\n", (ns), (pid), (node), (rescheduled) + +#define KFD_EVENT_FMT_UNMAP_FROM_GPU(ns, pid, addr, size, node, unmap_trigger)\ + "%lld -%d @%lx(%lx) %x %d\n", (ns), (pid), (addr), (size),\ + (node), (unmap_trigger) + /************************************************************************************************** * CRIU IOCTLs (Checkpoint Restore In Userspace) * |