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Message-ID: <20230714161128.69545-6-andrealmeid@igalia.com>
Date: Fri, 14 Jul 2023 13:11:28 -0300
From: André Almeida <andrealmeid@...lia.com>
To: dri-devel@...ts.freedesktop.org, amd-gfx@...ts.freedesktop.org,
linux-kernel@...r.kernel.org
Cc: kernel-dev@...lia.com, alexander.deucher@....com,
christian.koenig@....com, pierre-eric.pelloux-prayer@....com,
'Marek Olšák' <maraeo@...il.com>,
Samuel Pitoiset <samuel.pitoiset@...il.com>,
Bas Nieuwenhuizen <bas@...nieuwenhuizen.nl>,
Timur Kristóf <timur.kristof@...il.com>,
michel.daenzer@...lbox.org,
André Almeida <andrealmeid@...lia.com>
Subject: [PATCH v3 5/5] drm/amdgpu: Create version number for coredumps
Even if there's nothing currently parsing amdgpu's coredump files, if
we eventually have such tools they will be glad to find a version field
to properly read the file.
Create a version number to be displayed on top of coredump file, to be
incremented when the file format or content get changed.
Signed-off-by: André Almeida <andrealmeid@...lia.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h | 3 +++
2 files changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
index 081cdf3bc267..dab385f9dd80 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
@@ -192,6 +192,7 @@ static ssize_t amdgpu_devcoredump_read(char *buffer, loff_t offset,
p = drm_coredump_printer(&iter);
drm_printf(&p, "**** AMDGPU Device Coredump ****\n");
+ drm_printf(&p, "version: " AMDGPU_COREDUMP_VERSION "\n");
drm_printf(&p, "kernel: " UTS_RELEASE "\n");
drm_printf(&p, "module: " KBUILD_MODNAME "\n");
drm_printf(&p, "time: %lld.%09ld\n", coredump->reset_time.tv_sec, coredump->reset_time.tv_nsec);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h
index 362954521721..7b6767ca8127 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h
@@ -88,6 +88,9 @@ struct amdgpu_reset_domain {
};
#ifdef CONFIG_DEV_COREDUMP
+
+#define AMDGPU_COREDUMP_VERSION "1"
+
struct amdgpu_coredump_info {
struct amdgpu_device *adev;
struct amdgpu_task_info reset_task_info;
--
2.41.0
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