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drm/amdgpu:Expose physical id of device in XGMI hive

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This identifies the physical ordering of devices in the hive

v2: fix compilation issue

Signed-off-by: Mangesh Gadre <Mangesh.Gadre@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mangesh Gadre
2023-09-22 13:16:00 +08:00
committed by Alex Deucher
parent be5a3fdc8b
commit cd956e7531
1 changed files with 20 additions and 0 deletions
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20
drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
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@@ -325,6 +325,17 @@ static ssize_t amdgpu_xgmi_show_device_id(struct device *dev,
}
static ssize_t amdgpu_xgmi_show_physical_id(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(ddev);
return sysfs_emit(buf, "%u\n", adev->gmc.xgmi.physical_node_id);
}
static ssize_t amdgpu_xgmi_show_num_hops(struct device *dev,
struct device_attribute *attr,
char *buf)
@@ -390,6 +401,7 @@ static ssize_t amdgpu_xgmi_show_error(struct device *dev,
static DEVICE_ATTR(xgmi_device_id, S_IRUGO, amdgpu_xgmi_show_device_id, NULL);
static DEVICE_ATTR(xgmi_physical_id, 0444, amdgpu_xgmi_show_physical_id, NULL);
static DEVICE_ATTR(xgmi_error, S_IRUGO, amdgpu_xgmi_show_error, NULL);
static DEVICE_ATTR(xgmi_num_hops, S_IRUGO, amdgpu_xgmi_show_num_hops, NULL);
static DEVICE_ATTR(xgmi_num_links, S_IRUGO, amdgpu_xgmi_show_num_links, NULL);
@@ -407,6 +419,12 @@ static int amdgpu_xgmi_sysfs_add_dev_info(struct amdgpu_device *adev,
return ret;
}
ret = device_create_file(adev->dev, &dev_attr_xgmi_physical_id);
if (ret) {
dev_err(adev->dev, "XGMI: Failed to create device file xgmi_physical_id\n");
return ret;
}
/* Create xgmi error file */
ret = device_create_file(adev->dev, &dev_attr_xgmi_error);
if (ret)
@@ -448,6 +466,7 @@ static int amdgpu_xgmi_sysfs_add_dev_info(struct amdgpu_device *adev,
remove_file:
device_remove_file(adev->dev, &dev_attr_xgmi_device_id);
device_remove_file(adev->dev, &dev_attr_xgmi_physical_id);
device_remove_file(adev->dev, &dev_attr_xgmi_error);
device_remove_file(adev->dev, &dev_attr_xgmi_num_hops);
device_remove_file(adev->dev, &dev_attr_xgmi_num_links);
@@ -463,6 +482,7 @@ static void amdgpu_xgmi_sysfs_rem_dev_info(struct amdgpu_device *adev,
memset(node, 0, sizeof(node));
device_remove_file(adev->dev, &dev_attr_xgmi_device_id);
device_remove_file(adev->dev, &dev_attr_xgmi_physical_id);
device_remove_file(adev->dev, &dev_attr_xgmi_error);
device_remove_file(adev->dev, &dev_attr_xgmi_num_hops);
device_remove_file(adev->dev, &dev_attr_xgmi_num_links);