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drm/amdgpu: add aca sysfs support

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add aca sysfs node support

Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yang Wang 2024-01-02 10:43:23 +08:00 • committed by Alex Deucher
parent 04c4fcd263
commit 37973b69ea
4 changed files with 51 additions and 1 deletions
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32
drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c
View file

@ -572,15 +572,45 @@ static int add_aca_handle(struct amdgpu_device *adev, struct aca_handle_manager
return 0;
}
static ssize_t aca_sysfs_read(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct aca_handle *handle = container_of(attr, struct aca_handle, aca_attr);
/* NOTE: the aca cache will be auto cleared once read,
* So the driver should unify the query entry point, forward request to ras query interface directly */
return amdgpu_ras_aca_sysfs_read(dev, attr, handle, buf, handle->data);
}
static int add_aca_sysfs(struct amdgpu_device *adev, struct aca_handle *handle)
{
struct device_attribute *aca_attr = &handle->aca_attr;
snprintf(handle->attr_name, sizeof(handle->attr_name) - 1, "aca_%s", handle->name);
aca_attr->show = aca_sysfs_read;
aca_attr->attr.name = handle->attr_name;
aca_attr->attr.mode = S_IRUGO;
sysfs_attr_init(&aca_attr->attr);
return sysfs_add_file_to_group(&adev->dev->kobj,
&aca_attr->attr,
"ras");
}
int amdgpu_aca_add_handle(struct amdgpu_device *adev, struct aca_handle *handle,
const char *name, const struct aca_info *ras_info, void *data)
{
struct amdgpu_aca *aca = &adev->aca;
int ret;
if (!amdgpu_aca_is_enabled(adev))
return 0;
return add_aca_handle(adev, &aca->mgr, handle, name, ras_info, data);
ret = add_aca_handle(adev, &aca->mgr, handle, name, ras_info, data);
if (ret)
return ret;
return add_aca_sysfs(adev, handle);
}
static void remove_aca(struct aca_handle *handle)

2
drivers/gpu/drm/amd/amdgpu/amdgpu_aca.h
View file

@ -149,6 +149,8 @@ struct aca_handle {
struct aca_handle_manager *mgr;
struct aca_error_cache error_cache;
const struct aca_bank_ops *bank_ops;
struct device_attribute aca_attr;
char attr_name[64];
const char *name;
u32 mask;
void *data;

15
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
View file

@ -1214,6 +1214,21 @@ static int amdgpu_aca_log_ras_error_data(struct amdgpu_device *adev, enum amdgpu
return amdgpu_aca_get_error_data(adev, &obj->aca_handle, type, err_data);
}
ssize_t amdgpu_ras_aca_sysfs_read(struct device *dev, struct device_attribute *attr,
struct aca_handle *handle, char *buf, void *data)
{
struct ras_manager *obj = container_of(handle, struct ras_manager, aca_handle);
struct ras_query_if info = {
.head = obj->head,
};
if (amdgpu_ras_query_error_status(obj->adev, &info))
return -EINVAL;
return sysfs_emit(buf, "%s: %lu\n%s: %lu\n", "ue", info.ue_count,
"ce", info.ce_count);
}
static int amdgpu_ras_query_error_status_helper(struct amdgpu_device *adev,
struct ras_query_if *info,
struct ras_err_data *err_data,

3
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
View file

@ -840,4 +840,7 @@ int amdgpu_ras_bind_aca(struct amdgpu_device *adev, enum amdgpu_ras_block blk,
const struct aca_info *aca_info, void *data);
int amdgpu_ras_unbind_aca(struct amdgpu_device *adev, enum amdgpu_ras_block blk);
ssize_t amdgpu_ras_aca_sysfs_read(struct device *dev, struct device_attribute *attr,
struct aca_handle *handle, char *buf, void *data);
#endif