182 lines
4.7 KiB
C
182 lines
4.7 KiB
C
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/*
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* Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
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*
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* NVIDIA CORPORATION and its licensors retain all intellectual property
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* and proprietary rights in and to this software, related documentation
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* and any modifications thereto. Any use, reproduction, disclosure or
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* distribution of this software and related documentation without an express
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* license agreement from NVIDIA CORPORATION is strictly prohibited.
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*/
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#ifndef __TEGRA_HV_ERRINFO_H__
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#define __TEGRA_HV_ERRINFO_H__
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/* Supported synchronous and asynchronous errors */
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enum err_reason {
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REASON_UNDEFINED = 0UL,
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REASON_ASYNC_SMMU_CB,
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REASON_ASYNC_SMMU_GLOBAL,
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REASON_ASYNC_BRIDGE,
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REASON_ASYNC_MC,
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REASON_ASYNC_MC_T19X,
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REASON_ASYNC_CBB,
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REASON_SYNC,
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REASON_ENUM_SIZE
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};
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enum err_type {
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SYNC = 0UL,
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ASYNC
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};
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struct __attribute__((__packed__)) async_metadata_t {
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uint64_t rd_idx;
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uint64_t wr_idx;
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};
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#define NAME_SIZE 64
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struct __attribute__((__packed__)) async_bridge_err_t {
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char br_name[NAME_SIZE];
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unsigned int err_addr;
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unsigned int err_status1;
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unsigned int err_status2;
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unsigned int rw;
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unsigned int err_type;
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unsigned int length;
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unsigned int br_id;
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unsigned int src_id;
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unsigned int axi_id;
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unsigned int count;
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unsigned int protection;
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unsigned int burst;
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unsigned int cache;
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};
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struct __attribute__((__packed__)) async_cbb_err_t {
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char cbb_name[NAME_SIZE];
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unsigned int error_logger;
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unsigned int errlog0;
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char transaction_type[NAME_SIZE];
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char error_code[NAME_SIZE];
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char error_source[NAME_SIZE];
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char error_description[NAME_SIZE];
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bool header_format;
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unsigned int packet_header_lock;
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unsigned int packet_header_len1;
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unsigned int errlog1;
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unsigned int errlog2;
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uint64_t route_id;
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char initflow[NAME_SIZE];
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char targflow[NAME_SIZE];
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unsigned int targ_subrange;
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unsigned int seqid;
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unsigned int errlog3;
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unsigned int errlog4;
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uint64_t address;
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unsigned int errlog5;
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char master_id[NAME_SIZE];
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unsigned int non_mod;
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unsigned int axi_id;
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unsigned int security_group;
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uint32_t cache;
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uint32_t protection;
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unsigned int falconsec;
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unsigned int virtual_q_channel;
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};
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struct __attribute__((__packed__)) async_smmu_err_t {
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unsigned int stream_id;
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unsigned int cb_id;
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unsigned int fsynr0;
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unsigned int fsynr1;
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uint64_t far;
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unsigned int fsr;
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};
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struct __attribute__((__packed__)) async_mc_err_t {
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uint64_t ch_base;
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unsigned int int_status;
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unsigned int err_status;
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uint64_t fault_addr;
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unsigned int vcpuid; /* 0xffffU IDLE_vCPU_ID */
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unsigned int client_id;
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int32_t peripheral_id;
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};
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struct __attribute__((__packed__)) async_mc_err_t19x_t {
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bool vpr_violation;
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unsigned int vpr_base[2];
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unsigned int vpr_size;
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unsigned int vpr_ctrl;
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unsigned int vpr_override[4];
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bool no_status;
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bool two_status;
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int client_swgid;
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char client_name[NAME_SIZE];
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char fault_msg[NAME_SIZE];
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unsigned int status;
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uint64_t address;
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unsigned int secure;
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unsigned int write;
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};
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struct __attribute__((__packed__)) sync_t {
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bool is_filled; /* metadata field per vcpu */
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unsigned int offending_vcpu_id;
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uint32_t esr_el2;
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uint64_t elr_el2;
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uint64_t far_el2;
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uint64_t hpfar_el2;
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uint64_t par_hpfar_el2;
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uint64_t spsr_el2;
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uint64_t elr_el1;
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uint64_t far_el1;
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uint64_t spsr_el1;
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uint32_t esr_el1;
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uint32_t fault_instr;
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uint64_t gpr_array[31];
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};
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struct __attribute__((__packed__)) err_data_t {
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unsigned int offending_guest_id;
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unsigned int err_type;
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unsigned int err_reason;
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union {
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/* Asynchronous */
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struct async_bridge_err_t async_bridge_err;
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struct async_smmu_err_t async_smmu_err;
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struct async_mc_err_t async_mc_err;
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struct async_cbb_err_t async_cbb_err;
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struct async_mc_err_t19x_t async_mc_err_t19x;
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/* Synchronous */
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struct sync_t sync;
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};
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};
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/* VM shared memory for error information is allocated contiguously to store
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* Asynchronous(async) error information followed by the Synchronous(sync)
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* error information. HV has write access and the VM has read access to this
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* shared memory. The shared memory layout looks like:
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*
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* |--async-err-metadata--|--async-errors-array-|--sync-errors-array-|
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*
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* Size of async errors array = Max errors + 1(to avoid same empty and full
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* conditions of the buffer)
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* Size of sync errors array = 1 error per VCPU * number of VCPUs on a VM
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*
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* So for a give VM, shared memory has:
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*
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* |--------ASyncErrInfo--------------|---------SyncErrInfo-------------------|
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* |--------1bufferPerVM--------------|---VCpu0-buffer----|---VCpuN-buffer----|
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* |---metadata---|---err_data--------|-metadata+err_data-|-metadata+err_data-|
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* |rd_idx|wr_idx|-Err1-|-Err2-|-ErrN-|-is_filled-|-Err1--|-is_filled-|--Err1-|
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*/
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struct __attribute__((__packed__)) err_info_t {
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struct async_metadata_t async_metadata;
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struct err_data_t err_data[];
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};
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#endif
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