/* * 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.
*/
/* This workaround is due to HW/FW limitation on Hawaii that * VMID and PASID are not written into ih_ring_entry
*/ if ((ihre->source_id == CIK_INTSRC_GFX_PAGE_INV_FAULT ||
ihre->source_id == CIK_INTSRC_GFX_MEM_PROT_FAULT) &&
dev->adev->asic_type == CHIP_HAWAII) { struct cik_ih_ring_entry *tmp_ihre =
(struct cik_ih_ring_entry *)patched_ihre;
*patched_flag = true;
*tmp_ihre = *ihre;
vmid = f2g->read_vmid_from_vmfault_reg(dev->adev);
ret = f2g->get_atc_vmid_pasid_mapping_info(dev->adev, vmid, &pasid);
/* Only handle interrupts from KFD VMIDs */
vmid = (ihre->ring_id & 0x0000ff00) >> 8; if (vmid < dev->vm_info.first_vmid_kfd ||
vmid > dev->vm_info.last_vmid_kfd) returnfalse;
/* If there is no valid PASID, it's likely a firmware bug */
pasid = (ihre->ring_id & 0xffff0000) >> 16; if (WARN_ONCE(pasid == 0, "FW bug: No PASID in KFD interrupt")) returnfalse;
/* Interrupt types we care about: various signals and faults. * They will be forwarded to a work queue (see below).
*/ return ihre->source_id == CIK_INTSRC_CP_END_OF_PIPE ||
ihre->source_id == CIK_INTSRC_SDMA_TRAP ||
ihre->source_id == CIK_INTSRC_SQ_INTERRUPT_MSG ||
ihre->source_id == CIK_INTSRC_CP_BAD_OPCODE ||
((ihre->source_id == CIK_INTSRC_GFX_PAGE_INV_FAULT ||
ihre->source_id == CIK_INTSRC_GFX_MEM_PROT_FAULT) &&
!amdgpu_no_queue_eviction_on_vm_fault);
}
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