diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_events.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_events.h | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.h b/drivers/gpu/drm/amd/amdkfd/kfd_events.h index 28f6838b1f4c..abca5bfebbff 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_events.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.h @@ -27,12 +27,17 @@ #include <linux/hashtable.h> #include <linux/types.h> #include <linux/list.h> +#include <linux/wait.h> #include "kfd_priv.h" #include <uapi/linux/kfd_ioctl.h> -#define KFD_EVENT_ID_NONSIGNAL_MASK 0x80000000U -#define KFD_FIRST_NONSIGNAL_EVENT_ID KFD_EVENT_ID_NONSIGNAL_MASK -#define KFD_LAST_NONSIGNAL_EVENT_ID UINT_MAX +/* + * IDR supports non-negative integer IDs. Small IDs are used for + * signal events to match their signal slot. Use the upper half of the + * ID space for non-signal events. + */ +#define KFD_FIRST_NONSIGNAL_EVENT_ID ((INT_MAX >> 1) + 1) +#define KFD_LAST_NONSIGNAL_EVENT_ID INT_MAX /* * Written into kfd_signal_slot_t to indicate that the event is not signaled. @@ -46,9 +51,6 @@ struct kfd_event_waiter; struct signal_page; struct kfd_event { - /* All events in process, rooted at kfd_process.events. */ - struct hlist_node events; - u32 event_id; bool signaled; @@ -56,11 +58,9 @@ struct kfd_event { int type; - struct list_head waiters; /* List of kfd_event_waiter by waiters. */ + wait_queue_head_t wq; /* List of event waiters. */ /* Only for signal events. */ - struct signal_page *signal_page; - unsigned int signal_slot_index; uint64_t __user *user_signal_address; /* type specific data */ |