drivers/crypto/ccp/sp-dev.c

File Facts

System

Linux kernel

Corpus path

drivers/crypto/ccp/sp-dev.c

Extension

.c

Size

6291 bytes

Lines

326

Domain

Driver Families

Bucket

drivers/crypto

Inferred role

Driver Families: exported/initcall integration point

Status

integration 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.
• Exports symbols or registers init work; inspect boot/module ordering and who consumes the exported contract.
• Uses kernel synchronization; read lock ordering, sleepability, and interrupt context assumptions before translating.
• Touches IRQ or DMA behavior; this matters for the representative real-device path.
• Allocates kernel memory; connect allocation flags and lifetime to context constraints.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/module.h
• linux/kernel.h
• linux/kthread.h
• linux/sched.h
• linux/interrupt.h
• linux/spinlock.h
• linux/spinlock_types.h
• linux/types.h
• linux/ccp.h
• sev-dev.h
• ccp-dev.h
• sp-dev.h

Detected Declarations

• function sp_add_device
• function sp_del_device
• function sp_irq_handler
• function sp_request_ccp_irq
• function sp_request_psp_irq
• function sp_free_ccp_irq
• function sp_free_psp_irq
• function sp_init
• function sp_destroy
• function sp_suspend
• function sp_resume
• function sp_restore
• function list_for_each_entry
• function sp_mod_init
• function sev_module_init
• function sp_mod_exit
• module init sp_mod_init

Annotated Snippet

module_init(sp_mod_init);
module_exit(sp_mod_exit);

Annotation

• Immediate include surface: `linux/module.h`, `linux/kernel.h`, `linux/kthread.h`, `linux/sched.h`, `linux/interrupt.h`, `linux/spinlock.h`, `linux/spinlock_types.h`, `linux/types.h`.
• Detected declarations: `function sp_add_device`, `function sp_del_device`, `function sp_irq_handler`, `function sp_request_ccp_irq`, `function sp_request_psp_irq`, `function sp_free_ccp_irq`, `function sp_free_psp_irq`, `function sp_init`, `function sp_destroy`, `function sp_suspend`.
• Atlas domain: Driver Families / drivers/crypto.
• Implementation status: integration implementation candidate.
• Synchronization appears in or near this file; preserve lock ordering, sleepability, and interrupt-context constraints.
• IRQ or DMA behavior appears here, which is relevant to the selected PCIe/NVMe device path.

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.