Files
linux-nvgpu/drivers/gpu/nvgpu/common/cic/ctxsw_cic.c
2022-07-21 16:03:29 -07:00

98 lines
3.3 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_ctxsw_err(struct gk20a *g, u32 hw_unit, u32 err_id,
void *data)
{
int err = 0;
struct nvgpu_err_desc *err_desc = NULL;
struct nvgpu_err_msg err_pkt;
u32 inst = 0;
struct ctxsw_err_info *err_info = (struct ctxsw_err_info *)data;
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_FECS) {
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_ctxsw_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.ctxsw_info.header.sub_unit_id = inst;
err_pkt.err_info.ctxsw_info.curr_ctx = err_info->curr_ctx;
err_pkt.err_info.ctxsw_info.chid = err_info->chid;
err_pkt.err_info.ctxsw_info.ctxsw_status0 = err_info->ctxsw_status0;
err_pkt.err_info.ctxsw_info.ctxsw_status1 = err_info->ctxsw_status1;
err_pkt.err_info.ctxsw_info.mailbox_value = err_info->mailbox_value;
err_pkt.err_desc = err_desc;
err_pkt.err_size = nvgpu_safe_cast_u64_to_u8(
sizeof(err_pkt.err_info.ctxsw_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 CTXSW error: "
"err_id=%u, mailbox_val=%u",
err_id, err_info->mailbox_value);
}
}
handle_report_failure:
if (err != 0) {
nvgpu_sw_quiesce(g);
}
}
void nvgpu_inject_ctxsw_swerror(struct gk20a *g, u32 hw_unit,
u32 err_index, u32 inst)
{
struct ctxsw_err_info err_info;
(void)memset(&err_info, ERR_INJECT_TEST_PATTERN, sizeof(err_info));
nvgpu_report_ctxsw_err(g, hw_unit, err_index, (void *)&err_info);
}