cryptocop.c File Reference

#include <linux/init.h>
#include <linux/sched.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/spinlock.h>
#include <linux/stddef.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include <linux/atomic.h>
#include <linux/list.h>
#include <linux/interrupt.h>
#include <asm/signal.h>
#include <asm/irq.h>
#include <dma.h>
#include <hwregs/dma.h>
#include <hwregs/reg_map.h>
#include <hwregs/reg_rdwr.h>
#include <hwregs/intr_vect_defs.h>
#include <hwregs/strcop.h>
#include <hwregs/strcop_defs.h>
#include <cryptocop.h>

Go to the source code of this file.

Data Structures
struct	cryptocop_dma_desc
struct	cryptocop_int_operation
struct	cryptocop_tfrm_ctx
struct	cryptocop_private
struct	cryptocop_transform_ctx
struct	cryptocop_session
struct	cryptocop_prio_queue
struct	cryptocop_prio_job
struct	ioctl_job_cb_ctx

Macros
#define	IN_DMA   3
#define	OUT_DMA   2
#define	IN_DMA_INST   regi_dma3
#define	OUT_DMA_INST   regi_dma2
#define	DMA_IRQ   DMA3_INTR_VECT
#define	DESCR_ALLOC_PAD   (31)
#define	MEM2MEM_DISCARD_BUF_LENGTH   (512)
#define	CRYPTOCOP_DESCRIPTOR_POOL_SIZE   (100)
#define	DEBUG(s)
#define	DEBUG_API(s)
#define	assert(s)
#define	DES_BLOCK_LENGTH   (8)
#define	AES_BLOCK_LENGTH   (16)
#define	MD5_BLOCK_LENGTH   (64)
#define	SHA1_BLOCK_LENGTH   (64)
#define	CSUM_BLOCK_LENGTH   (2)
#define	MD5_STATE_LENGTH   (16)
#define	SHA1_STATE_LENGTH   (20)
#define	CRYPTOCOP_MAJOR   (254)
#define	CRYPTOCOP_MINOR   (0)
#define	MD5_MIN_PAD_LENGTH   (9)
#define	MD5_PAD_LENGTH_FIELD_LENGTH   (8)
#define	SHA1_MIN_PAD_LENGTH   (9)
#define	SHA1_PAD_LENGTH_FIELD_LENGTH   (8)
#define	CRYPTOCOP_IOCTL_CIPHER_TID   (1)
#define	CRYPTOCOP_IOCTL_DIGEST_TID   (2)
#define	CRYPTOCOP_IOCTL_CSUM_TID   (3)

Enumerations
enum	cryptocop_queue_priority { cryptocop_prio_kernel_csum = 0, cryptocop_prio_kernel = 1, cryptocop_prio_user = 2, cryptocop_prio_no_prios = 3 }

Functions
	DECLARE_WAIT_QUEUE_HEAD (cryptocop_ioc_process_wq)
int	cryptocop_new_session (cryptocop_session_id *sid, struct cryptocop_transform_init *tinit, int alloc_flag)
int	cryptocop_free_session (cryptocop_session_id sid)
int	cryptocop_job_queue_insert_csum (struct cryptocop_operation *operation)
int	cryptocop_job_queue_insert_crypto (struct cryptocop_operation *operation)
int	cryptocop_job_queue_insert_user_job (struct cryptocop_operation *operation)
	DECLARE_TASKLET (cryptocop_tasklet, cryptocop_do_tasklet, 0)
	module_init (init_stream_coprocessor)
	module_exit (exit_stream_coprocessor)

Variables
spinlock_t	cryptocop_sessions_lock
spinlock_t	cryptocop_process_lock
struct file_operations	cryptocop_fops

Macro Definition Documentation

#define AES_BLOCK_LENGTH   (16)

Definition at line 267 of file cryptocop.c.

#define assert

(

s

)

Definition at line 261 of file cryptocop.c.

#define CRYPTOCOP_DESCRIPTOR_POOL_SIZE   (100)

Definition at line 190 of file cryptocop.c.

#define CRYPTOCOP_IOCTL_CIPHER_TID   (1)

Definition at line 2380 of file cryptocop.c.

#define CRYPTOCOP_IOCTL_CSUM_TID   (3)

Definition at line 2382 of file cryptocop.c.

#define CRYPTOCOP_IOCTL_DIGEST_TID   (2)

Definition at line 2381 of file cryptocop.c.

#define CRYPTOCOP_MAJOR   (254)

Definition at line 275 of file cryptocop.c.

#define CRYPTOCOP_MINOR   (0)

Definition at line 276 of file cryptocop.c.

#define CSUM_BLOCK_LENGTH   (2)

Definition at line 270 of file cryptocop.c.

#define DEBUG

(

s

)

Definition at line 259 of file cryptocop.c.

#define DEBUG_API

(

s

)

Definition at line 260 of file cryptocop.c.

#define DES_BLOCK_LENGTH   (8)

Definition at line 266 of file cryptocop.c.

#define DESCR_ALLOC_PAD   (31)

Definition at line 51 of file cryptocop.c.

#define DMA_IRQ   DMA3_INTR_VECT

Definition at line 48 of file cryptocop.c.

#define IN_DMA   3

Definition at line 44 of file cryptocop.c.

#define IN_DMA_INST   regi_dma3

Definition at line 46 of file cryptocop.c.

#define MD5_BLOCK_LENGTH   (64)

Definition at line 268 of file cryptocop.c.

#define MD5_MIN_PAD_LENGTH   (9)

Definition at line 1385 of file cryptocop.c.

#define MD5_PAD_LENGTH_FIELD_LENGTH   (8)

Definition at line 1386 of file cryptocop.c.

#define MD5_STATE_LENGTH   (16)

Definition at line 271 of file cryptocop.c.

#define MEM2MEM_DISCARD_BUF_LENGTH   (512)

Definition at line 185 of file cryptocop.c.

#define OUT_DMA   2

Definition at line 45 of file cryptocop.c.

#define OUT_DMA_INST   regi_dma2

Definition at line 47 of file cryptocop.c.

#define SHA1_BLOCK_LENGTH   (64)

Definition at line 269 of file cryptocop.c.

#define SHA1_MIN_PAD_LENGTH   (9)

Definition at line 1416 of file cryptocop.c.

#define SHA1_PAD_LENGTH_FIELD_LENGTH   (8)

Definition at line 1417 of file cryptocop.c.

#define SHA1_STATE_LENGTH   (20)

Definition at line 272 of file cryptocop.c.

Enumeration Type Documentation

enum cryptocop_queue_priority

Enumerator:

cryptocop_prio_kernel_csum
cryptocop_prio_kernel
cryptocop_prio_user
cryptocop_prio_no_prios

Definition at line 150 of file cryptocop.c.

Function Documentation

int cryptocop_free_session

(

cryptocop_session_id

sid

)

Definition at line 1578 of file cryptocop.c.

int cryptocop_job_queue_insert_crypto

(

struct cryptocop_operation *

operation

)

Definition at line 1823 of file cryptocop.c.

int cryptocop_job_queue_insert_csum

(

struct cryptocop_operation *

operation

)

Definition at line 1818 of file cryptocop.c.

int cryptocop_job_queue_insert_user_job

(

struct cryptocop_operation *

operation

)

Definition at line 1828 of file cryptocop.c.

int cryptocop_new_session	(	cryptocop_session_id *	sid,
		struct cryptocop_transform_init *	tinit,
		int	alloc_flag
	)

Definition at line 1504 of file cryptocop.c.

DECLARE_TASKLET	(	cryptocop_tasklet	,
		cryptocop_do_tasklet	,
		0
	)

DECLARE_WAIT_QUEUE_HEAD

(

cryptocop_ioc_process_wq

)

module_exit

(

exit_stream_coprocessor

)

module_init

(

init_stream_coprocessor

)

Variable Documentation

struct file_operations cryptocop_fops

Initial value:

= {
    .owner      = THIS_MODULE,
    .open       = cryptocop_open,
    .release    = cryptocop_release,
    .unlocked_ioctl = cryptocop_ioctl,
    .llseek     = noop_llseek,
}

Definition at line 280 of file cryptocop.c.

spinlock_t cryptocop_process_lock

Definition at line 198 of file cryptocop.c.

spinlock_t cryptocop_sessions_lock

Definition at line 176 of file cryptocop.c.