drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c
Extension
.c
Size
17634 bytes
Lines
634
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: operation-table or driver-model contract
Status
pattern implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

static const struct file_operations mca_ce_dump_debug_fops = {
	.owner = THIS_MODULE,
	.open = mca_dump_ce_open,
	.read = seq_read,
	.llseek = seq_lseek,
	.release = single_release,
};

static int mca_dump_ue_show(struct seq_file *m, void *unused)
{
	return mca_dump_show(m, AMDGPU_MCA_ERROR_TYPE_UE);
}

static int mca_dump_ue_open(struct inode *inode, struct file *file)
{
	return single_open(file, mca_dump_ue_show, inode->i_private);
}

static const struct file_operations mca_ue_dump_debug_fops = {
	.owner = THIS_MODULE,
	.open = mca_dump_ue_open,
	.read = seq_read,
	.llseek = seq_lseek,
	.release = single_release,
};

DEFINE_DEBUGFS_ATTRIBUTE(mca_debug_mode_fops, NULL, amdgpu_mca_smu_debug_mode_set, "%llu\n");
#endif

void amdgpu_mca_smu_debugfs_init(struct amdgpu_device *adev, struct dentry *root)
{
#if defined(CONFIG_DEBUG_FS)
	if (!root)
		return;

	debugfs_create_file("mca_debug_mode", 0200, root, adev, &mca_debug_mode_fops);
	debugfs_create_file("mca_ue_dump", 0400, root, adev, &mca_ue_dump_debug_fops);
	debugfs_create_file("mca_ce_dump", 0400, root, adev, &mca_ce_dump_debug_fops);
#endif
}

Annotation

Implementation Notes