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// SPDX-License-Identifier: MIT
/*
* Copyright © 2022 Intel Corporation
*/
#include <drm/drm_managed.h>
#include "xe_bo.h"
#include "xe_gt.h"
#include "xe_guc_log.h"
#include "xe_map.h"
#include "xe_module.h"
static struct xe_gt *
log_to_gt(struct xe_guc_log *log)
{
return container_of(log, struct xe_gt, uc.guc.log);
}
static struct xe_device *
log_to_xe(struct xe_guc_log *log)
{
return gt_to_xe(log_to_gt(log));
}
static size_t guc_log_size(void)
{
/*
* GuC Log buffer Layout
*
* +===============================+ 00B
* | Crash dump state header |
* +-------------------------------+ 32B
* | Debug state header |
* +-------------------------------+ 64B
* | Capture state header |
* +-------------------------------+ 96B
* | |
* +===============================+ PAGE_SIZE (4KB)
* | Crash Dump logs |
* +===============================+ + CRASH_SIZE
* | Debug logs |
* +===============================+ + DEBUG_SIZE
* | Capture logs |
* +===============================+ + CAPTURE_SIZE
*/
return PAGE_SIZE + CRASH_BUFFER_SIZE + DEBUG_BUFFER_SIZE +
CAPTURE_BUFFER_SIZE;
}
void xe_guc_log_print(struct xe_guc_log *log, struct drm_printer *p)
{
struct xe_device *xe = log_to_xe(log);
size_t size;
int i, j;
XE_BUG_ON(!log->bo);
size = log->bo->size;
#define DW_PER_READ 128
XE_BUG_ON(size % (DW_PER_READ * sizeof(u32)));
for (i = 0; i < size / sizeof(u32); i += DW_PER_READ) {
u32 read[DW_PER_READ];
xe_map_memcpy_from(xe, read, &log->bo->vmap, i * sizeof(u32),
DW_PER_READ * sizeof(u32));
#define DW_PER_PRINT 4
for (j = 0; j < DW_PER_READ / DW_PER_PRINT; ++j) {
u32 *print = read + j * DW_PER_PRINT;
drm_printf(p, "0x%08x 0x%08x 0x%08x 0x%08x\n",
*(print + 0), *(print + 1),
*(print + 2), *(print + 3));
}
}
}
static void guc_log_fini(struct drm_device *drm, void *arg)
{
struct xe_guc_log *log = arg;
xe_bo_unpin_map_no_vm(log->bo);
}
int xe_guc_log_init(struct xe_guc_log *log)
{
struct xe_device *xe = log_to_xe(log);
struct xe_gt *gt = log_to_gt(log);
struct xe_bo *bo;
int err;
bo = xe_bo_create_pin_map(xe, gt, NULL, guc_log_size(),
ttm_bo_type_kernel,
XE_BO_CREATE_VRAM_IF_DGFX(gt) |
XE_BO_CREATE_GGTT_BIT);
if (IS_ERR(bo))
return PTR_ERR(bo);
xe_map_memset(xe, &bo->vmap, 0, 0, guc_log_size());
log->bo = bo;
log->level = xe_guc_log_level;
err = drmm_add_action_or_reset(&xe->drm, guc_log_fini, log);
if (err)
return err;
return 0;
}
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