drivers/crypto/geode-aes.c

File Facts

System

Linux kernel

Corpus path

drivers/crypto/geode-aes.c

Extension

.c

Size

10804 bytes

Lines

437

Domain

Driver Families

Bucket

drivers/crypto

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.

• 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.
• Defines an operation table; this is where Linux turns generic core objects into subsystem-specific behavior.
• Uses kernel synchronization; read lock ordering, sleepability, and interrupt context assumptions before translating.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/module.h
• linux/kernel.h
• linux/pci.h
• linux/pci_ids.h
• linux/crypto.h
• linux/spinlock.h
• crypto/algapi.h
• crypto/aes.h
• crypto/internal/cipher.h
• crypto/internal/skcipher.h
• linux/io.h
• linux/delay.h
• geode-aes.h

Detected Declarations

• function _writefield
• function _readfield
• function do_crypt
• function geode_aes_crypt
• function geode_setkey_cip
• function geode_setkey_skcipher
• function geode_encrypt
• function geode_decrypt
• function fallback_init_cip
• function fallback_exit_cip
• function geode_init_skcipher
• function geode_exit_skcipher
• function geode_skcipher_crypt
• function geode_cbc_encrypt
• function geode_cbc_decrypt
• function geode_ecb_encrypt
• function geode_ecb_decrypt
• function geode_aes_remove
• function geode_aes_probe

Annotated Snippet

static struct pci_driver geode_aes_driver = {
	.name = "Geode LX AES",
	.id_table = geode_aes_tbl,
	.probe = geode_aes_probe,
	.remove = geode_aes_remove,
};

module_pci_driver(geode_aes_driver);

MODULE_AUTHOR("Advanced Micro Devices, Inc.");
MODULE_DESCRIPTION("Geode LX Hardware AES driver");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS("CRYPTO_INTERNAL");

Annotation

• Immediate include surface: `linux/module.h`, `linux/kernel.h`, `linux/pci.h`, `linux/pci_ids.h`, `linux/crypto.h`, `linux/spinlock.h`, `crypto/algapi.h`, `crypto/aes.h`.
• Detected declarations: `function _writefield`, `function _readfield`, `function do_crypt`, `function geode_aes_crypt`, `function geode_setkey_cip`, `function geode_setkey_skcipher`, `function geode_encrypt`, `function geode_decrypt`, `function fallback_init_cip`, `function fallback_exit_cip`.
• Atlas domain: Driver Families / drivers/crypto.
• Implementation status: pattern implementation candidate.
• Synchronization appears in or near this file; preserve lock ordering, sleepability, and interrupt-context constraints.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.