Files
linux-nvgpu/drivers/gpu/nvgpu/common/cic/mmu_cic.c
2022-02-15 09:37:14 -08:00

132 lines
4.6 KiB
C

/*
* Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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 <nvgpu/gk20a.h>
#include <nvgpu/nvgpu_init.h>
#include <nvgpu/nvgpu_err.h>
#include <nvgpu/nvgpu_err_info.h>
#include <nvgpu/cic.h>
#include "cic_priv.h"
void nvgpu_report_mmu_err(struct gk20a *g, u32 hw_unit, u32 err_id,
struct mmu_fault_info *fault_info, u32 status, u32 sub_err_type)
{
int err = 0;
struct nvgpu_err_desc *err_desc = NULL;
struct nvgpu_err_msg err_pkt;
if (g->ops.cic.report_err == NULL) {
cic_dbg(g, "CIC does not support reporting error "
"to safety services");
return;
}
if (hw_unit != NVGPU_ERR_MODULE_HUBMMU) {
nvgpu_err(g, "invalid hw module (%u)", hw_unit);
err = -EINVAL;
goto handle_report_failure;
}
err = nvgpu_cic_get_err_desc(g, hw_unit, err_id, &err_desc);
if (err != 0) {
nvgpu_err(g, "Failed to get err_desc for "
"err_id (%u) for hw module (%u)",
err_id, hw_unit);
goto handle_report_failure;
}
nvgpu_init_mmu_err_msg(&err_pkt);
err_pkt.hw_unit_id = hw_unit;
err_pkt.err_id = err_desc->error_id;
err_pkt.is_critical = err_desc->is_critical;
err_pkt.err_info.mmu_info.header.sub_err_type = sub_err_type;
err_pkt.err_info.mmu_info.status = status;
/* Copy contents of mmu_fault_info */
if (fault_info != NULL) {
err_pkt.err_info.mmu_info.info.inst_ptr = fault_info->inst_ptr;
err_pkt.err_info.mmu_info.info.inst_aperture
= fault_info->inst_aperture;
err_pkt.err_info.mmu_info.info.fault_addr
= fault_info->fault_addr;
err_pkt.err_info.mmu_info.info.fault_addr_aperture
= fault_info->fault_addr_aperture;
err_pkt.err_info.mmu_info.info.timestamp_lo
= fault_info->timestamp_lo;
err_pkt.err_info.mmu_info.info.timestamp_hi
= fault_info->timestamp_hi;
err_pkt.err_info.mmu_info.info.mmu_engine_id
= fault_info->mmu_engine_id;
err_pkt.err_info.mmu_info.info.gpc_id = fault_info->gpc_id;
err_pkt.err_info.mmu_info.info.client_type
= fault_info->client_type;
err_pkt.err_info.mmu_info.info.client_id
= fault_info->client_id;
err_pkt.err_info.mmu_info.info.fault_type
= fault_info->fault_type;
err_pkt.err_info.mmu_info.info.access_type
= fault_info->access_type;
err_pkt.err_info.mmu_info.info.protected_mode
= fault_info->protected_mode;
err_pkt.err_info.mmu_info.info.replayable_fault
= fault_info->replayable_fault;
err_pkt.err_info.mmu_info.info.replay_fault_en
= fault_info->replay_fault_en;
err_pkt.err_info.mmu_info.info.valid = fault_info->valid;
err_pkt.err_info.mmu_info.info.faulted_pbdma =
fault_info->faulted_pbdma;
err_pkt.err_info.mmu_info.info.faulted_engine =
fault_info->faulted_engine;
err_pkt.err_info.mmu_info.info.faulted_subid =
fault_info->faulted_subid;
err_pkt.err_info.mmu_info.info.chid = fault_info->chid;
}
err_pkt.err_desc = err_desc;
err_pkt.err_size = nvgpu_safe_cast_u64_to_u8(
sizeof(err_pkt.err_info.mmu_info));
if (g->ops.cic.report_err != NULL) {
err = g->ops.cic.report_err(g, (void *)&err_pkt,
sizeof(err_pkt), err_desc->is_critical);
if (err != 0) {
nvgpu_err(g, "Failed to report MMU fault: hw_unit=%u, "
"err_id=%u, sub_err_type=%u, status=%u",
hw_unit, err_id, sub_err_type, status);
}
}
handle_report_failure:
if (err != 0) {
nvgpu_sw_quiesce(g);
}
}
void nvgpu_inject_mmu_swerror(struct gk20a *g, u32 hw_unit, u32 err_index,
u32 sub_err_type)
{
u32 status = 0U;
struct mmu_fault_info fault_info;
(void) memset(&fault_info, ERR_INJECT_TEST_PATTERN, sizeof(fault_info));
nvgpu_report_mmu_err(g, hw_unit, err_index,
&fault_info, status, sub_err_type);
}