forked from luck/tmp_suning_uos_patched
drm/amdkfd: add events IOCTL set definitions
- AMDKFD_IOC_CREATE_EVENT: Creates a new event of a specified type - AMDKFD_IOC_DESTROY_EVENT: Destroys an existing event - AMDKFD_IOC_SET_EVENT: Signal an existing event - AMDKFD_IOC_RESET_EVENT: Reset an existing event - AMDKFD_IOC_WAIT_EVENTS: Wait on event(s) until they are signaled v2: - Move the limit of the signal events to kfd_ioctl.h so it can be used by userspace v3: - Change all bool fields in struct kfd_memory_exception_failure to uint32_t Signed-off-by: Andrew Lewycky <Andrew.Lewycky@amd.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
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2249d55827
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29a5d3eb9a
@ -514,6 +514,36 @@ static int kfd_ioctl_get_process_apertures(struct file *filp,
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return 0;
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}
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static int kfd_ioctl_create_event(struct file *filp, struct kfd_process *p,
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void *data)
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{
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return -ENODEV;
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}
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static int kfd_ioctl_destroy_event(struct file *filp, struct kfd_process *p,
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void *data)
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{
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return -ENODEV;
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}
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static int kfd_ioctl_set_event(struct file *filp, struct kfd_process *p,
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void *data)
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{
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return -ENODEV;
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}
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static int kfd_ioctl_reset_event(struct file *filp, struct kfd_process *p,
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void *data)
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{
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return -ENODEV;
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}
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static int kfd_ioctl_wait_events(struct file *filp, struct kfd_process *p,
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void *data)
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{
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return -ENODEV;
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}
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#define AMDKFD_IOCTL_DEF(ioctl, _func, _flags) \
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[_IOC_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags, .cmd_drv = 0, .name = #ioctl}
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@ -539,6 +569,21 @@ static const struct amdkfd_ioctl_desc amdkfd_ioctls[] = {
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AMDKFD_IOCTL_DEF(AMDKFD_IOC_UPDATE_QUEUE,
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kfd_ioctl_update_queue, 0),
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AMDKFD_IOCTL_DEF(AMDKFD_IOC_CREATE_EVENT,
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kfd_ioctl_create_event, 0),
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AMDKFD_IOCTL_DEF(AMDKFD_IOC_DESTROY_EVENT,
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kfd_ioctl_destroy_event, 0),
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AMDKFD_IOCTL_DEF(AMDKFD_IOC_SET_EVENT,
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kfd_ioctl_set_event, 0),
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AMDKFD_IOCTL_DEF(AMDKFD_IOC_RESET_EVENT,
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kfd_ioctl_reset_event, 0),
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AMDKFD_IOCTL_DEF(AMDKFD_IOC_WAIT_EVENTS,
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kfd_ioctl_wait_events, 0),
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};
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#define AMDKFD_CORE_IOCTL_COUNT ARRAY_SIZE(amdkfd_ioctls)
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@ -27,7 +27,7 @@
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#include <linux/ioctl.h>
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#define KFD_IOCTL_MAJOR_VERSION 1
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#define KFD_IOCTL_MINOR_VERSION 0
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#define KFD_IOCTL_MINOR_VERSION 1
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struct kfd_ioctl_get_version_args {
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uint32_t major_version; /* from KFD */
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@ -128,6 +128,83 @@ struct kfd_ioctl_get_process_apertures_args {
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uint32_t pad;
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};
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/* Matching HSA_EVENTTYPE */
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#define KFD_IOC_EVENT_SIGNAL 0
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#define KFD_IOC_EVENT_NODECHANGE 1
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#define KFD_IOC_EVENT_DEVICESTATECHANGE 2
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#define KFD_IOC_EVENT_HW_EXCEPTION 3
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#define KFD_IOC_EVENT_SYSTEM_EVENT 4
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#define KFD_IOC_EVENT_DEBUG_EVENT 5
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#define KFD_IOC_EVENT_PROFILE_EVENT 6
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#define KFD_IOC_EVENT_QUEUE_EVENT 7
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#define KFD_IOC_EVENT_MEMORY 8
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#define KFD_IOC_WAIT_RESULT_COMPLETE 0
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#define KFD_IOC_WAIT_RESULT_TIMEOUT 1
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#define KFD_IOC_WAIT_RESULT_FAIL 2
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#define KFD_SIGNAL_EVENT_LIMIT 256
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struct kfd_ioctl_create_event_args {
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uint64_t event_page_offset; /* from KFD */
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uint32_t event_trigger_data; /* from KFD - signal events only */
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uint32_t event_type; /* to KFD */
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uint32_t auto_reset; /* to KFD */
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uint32_t node_id; /* to KFD - only valid for certain
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event types */
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uint32_t event_id; /* from KFD */
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uint32_t event_slot_index; /* from KFD */
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};
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struct kfd_ioctl_destroy_event_args {
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uint32_t event_id; /* to KFD */
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uint32_t pad;
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};
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struct kfd_ioctl_set_event_args {
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uint32_t event_id; /* to KFD */
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uint32_t pad;
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};
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struct kfd_ioctl_reset_event_args {
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uint32_t event_id; /* to KFD */
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uint32_t pad;
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};
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struct kfd_memory_exception_failure {
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uint32_t NotPresent; /* Page not present or supervisor privilege */
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uint32_t ReadOnly; /* Write access to a read-only page */
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uint32_t NoExecute; /* Execute access to a page marked NX */
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uint32_t pad;
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};
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/* memory exception data*/
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struct kfd_hsa_memory_exception_data {
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struct kfd_memory_exception_failure failure;
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uint64_t va;
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uint32_t gpu_id;
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uint32_t pad;
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};
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/* Event data*/
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struct kfd_event_data {
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union {
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struct kfd_hsa_memory_exception_data memory_exception_data;
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}; /* From KFD */
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uint64_t kfd_event_data_ext; /* pointer to an extension structure
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for future exception types */
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uint32_t event_id; /* to KFD */
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uint32_t pad;
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};
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struct kfd_ioctl_wait_events_args {
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uint64_t events_ptr; /* to KFD */
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uint32_t num_events; /* to KFD */
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uint32_t wait_for_all; /* to KFD */
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uint32_t timeout; /* to KFD */
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uint32_t wait_result; /* from KFD */
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};
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#define AMDKFD_IOCTL_BASE 'K'
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#define AMDKFD_IO(nr) _IO(AMDKFD_IOCTL_BASE, nr)
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#define AMDKFD_IOR(nr, type) _IOR(AMDKFD_IOCTL_BASE, nr, type)
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@ -155,7 +232,22 @@ struct kfd_ioctl_get_process_apertures_args {
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#define AMDKFD_IOC_UPDATE_QUEUE \
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AMDKFD_IOW(0x07, struct kfd_ioctl_update_queue_args)
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#define AMDKFD_IOC_CREATE_EVENT \
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AMDKFD_IOWR(0x08, struct kfd_ioctl_create_event_args)
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#define AMDKFD_IOC_DESTROY_EVENT \
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AMDKFD_IOW(0x09, struct kfd_ioctl_destroy_event_args)
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#define AMDKFD_IOC_SET_EVENT \
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AMDKFD_IOW(0x0A, struct kfd_ioctl_set_event_args)
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#define AMDKFD_IOC_RESET_EVENT \
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AMDKFD_IOW(0x0B, struct kfd_ioctl_reset_event_args)
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#define AMDKFD_IOC_WAIT_EVENTS \
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AMDKFD_IOWR(0x0C, struct kfd_ioctl_wait_events_args)
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#define AMDKFD_COMMAND_START 0x01
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#define AMDKFD_COMMAND_END 0x08
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#define AMDKFD_COMMAND_END 0x0D
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#endif
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