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ac/debug: add a helper to print GPUVM fault protection status

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This basically prints the same info as dmesg.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25855>
This commit is contained in:
Samuel Pitoiset 2023-10-23 19:03:57 +02:00 • committed by Marge Bot
parent bc09932ec3
commit e18c4bca31
2 changed files with 51 additions and 0 deletions
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48
src/amd/common/ac_debug.c
View file

@ -1180,3 +1180,51 @@ unsigned ac_get_wave_info(enum amd_gfx_level gfx_level,
return num_waves;
#endif
}
/* List of GFXHUB clients from AMDGPU source code. */
static const char *const gfx10_gfxhub_client_ids[] = {
"CB/DB",
"Reserved",
"GE1",
"GE2",
"CPF",
"CPC",
"CPG",
"RLC",
"TCP",
"SQC (inst)",
"SQC (data)",
"SQG",
"Reserved",
"SDMA0",
"SDMA1",
"GCR",
"SDMA2",
"SDMA3",
};
static const char *
ac_get_gfx10_gfxhub_client(unsigned cid)
{
if (cid >= ARRAY_SIZE(gfx10_gfxhub_client_ids))
return "UNKNOWN";
return gfx10_gfxhub_client_ids[cid];
}
void ac_print_gpuvm_fault_status(FILE *output, enum amd_gfx_level gfx_level,
uint32_t status)
{
if (gfx_level >= GFX10) {
const uint8_t cid = G_00A130_CID(status);
fprintf(output, "GCVM_L2_PROTECTION_FAULT_STATUS: 0x%x\n", status);
fprintf(output, "\t CLIENT_ID: (%s) 0x%x\n", ac_get_gfx10_gfxhub_client(cid), cid);
fprintf(output, "\t MORE_FAULTS: %d\n", G_00A130_MORE_FAULTS(status));
fprintf(output, "\t WALKER_ERROR: %d\n", G_00A130_WALKER_ERROR(status));
fprintf(output, "\t PERMISSION_FAULTS: %d\n", G_00A130_PERMISSION_FAULTS(status));
fprintf(output, "\t MAPPING_ERROR: %d\n", G_00A130_MAPPING_ERROR(status));
fprintf(output, "\t RW: %d\n", G_00A130_RW(status));
} else {
fprintf(output, "VM_CONTEXT1_PROTECTION_FAULT_STATUS: 0x%x\n", status);
}
}

3
src/amd/common/ac_debug.h
View file

@ -59,6 +59,9 @@ bool ac_vm_fault_occurred(enum amd_gfx_level gfx_level, uint64_t *old_dmesg_time
unsigned ac_get_wave_info(enum amd_gfx_level gfx_level,
struct ac_wave_info waves[AC_MAX_WAVES_PER_CHIP]);
void ac_print_gpuvm_fault_status(FILE *output, enum amd_gfx_level gfx_level,
uint32_t status);
#ifdef __cplusplus
}
#endif