forked from Minki/linux
930c5ff439
Signed-off-by: Alexey Skidanov <alexey.skidanov@gmail.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
67 lines
2.4 KiB
C
67 lines
2.4 KiB
C
/*
|
|
* Copyright 2014 Advanced Micro Devices, Inc.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
|
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
|
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include "kfd_priv.h"
|
|
#include "kfd_events.h"
|
|
#include "cik_int.h"
|
|
|
|
static bool cik_event_interrupt_isr(struct kfd_dev *dev,
|
|
const uint32_t *ih_ring_entry)
|
|
{
|
|
unsigned int pasid;
|
|
const struct cik_ih_ring_entry *ihre =
|
|
(const struct cik_ih_ring_entry *)ih_ring_entry;
|
|
|
|
pasid = (ihre->ring_id & 0xffff0000) >> 16;
|
|
|
|
/* Do not process in ISR, just request it to be forwarded to WQ. */
|
|
return (pasid != 0) &&
|
|
(ihre->source_id == CIK_INTSRC_CP_END_OF_PIPE ||
|
|
ihre->source_id == CIK_INTSRC_SQ_INTERRUPT_MSG ||
|
|
ihre->source_id == CIK_INTSRC_CP_BAD_OPCODE);
|
|
}
|
|
|
|
static void cik_event_interrupt_wq(struct kfd_dev *dev,
|
|
const uint32_t *ih_ring_entry)
|
|
{
|
|
unsigned int pasid;
|
|
const struct cik_ih_ring_entry *ihre =
|
|
(const struct cik_ih_ring_entry *)ih_ring_entry;
|
|
|
|
pasid = (ihre->ring_id & 0xffff0000) >> 16;
|
|
|
|
if (pasid == 0)
|
|
return;
|
|
|
|
if (ihre->source_id == CIK_INTSRC_CP_END_OF_PIPE)
|
|
kfd_signal_event_interrupt(pasid, 0, 0);
|
|
else if (ihre->source_id == CIK_INTSRC_SQ_INTERRUPT_MSG)
|
|
kfd_signal_event_interrupt(pasid, ihre->data & 0xFF, 8);
|
|
else if (ihre->source_id == CIK_INTSRC_CP_BAD_OPCODE)
|
|
kfd_signal_hw_exception_event(pasid);
|
|
}
|
|
|
|
const struct kfd_event_interrupt_class event_interrupt_class_cik = {
|
|
.interrupt_isr = cik_event_interrupt_isr,
|
|
.interrupt_wq = cik_event_interrupt_wq,
|
|
};
|