cregit-Linux how code gets into the kernel

Release 4.11 crypto/proc.c

Directory: crypto
/*
 * Scatterlist Cryptographic API.
 *
 * Procfs information.
 *
 * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
 * Copyright (c) 2005 Herbert Xu <herbert@gondor.apana.org.au>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option) 
 * any later version.
 *
 */

#include <linux/atomic.h>
#include <linux/init.h>
#include <linux/crypto.h>
#include <linux/module.h>	/* for module_name() */
#include <linux/rwsem.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include "internal.h"


static void *c_start(struct seq_file *m, loff_t *pos) { down_read(&crypto_alg_sem); return seq_list_start(&crypto_alg_list, *pos); }

Contributors

PersonTokensPropCommitsCommitProp
James Morris2784.38%150.00%
Pavel Emelyanov515.62%150.00%
Total32100.00%2100.00%


static void *c_next(struct seq_file *m, void *p, loff_t *pos) { return seq_list_next(p, &crypto_alg_list, pos); }

Contributors

PersonTokensPropCommitsCommitProp
James Morris2683.87%150.00%
Pavel Emelyanov516.13%150.00%
Total31100.00%2100.00%


static void c_stop(struct seq_file *m, void *p) { up_read(&crypto_alg_sem); }

Contributors

PersonTokensPropCommitsCommitProp
James Morris21100.00%1100.00%
Total21100.00%1100.00%


static int c_show(struct seq_file *m, void *p) { struct crypto_alg *alg = list_entry(p, struct crypto_alg, cra_list); seq_printf(m, "name : %s\n", alg->cra_name); seq_printf(m, "driver : %s\n", alg->cra_driver_name); seq_printf(m, "module : %s\n", module_name(alg->cra_module)); seq_printf(m, "priority : %d\n", alg->cra_priority); seq_printf(m, "refcnt : %d\n", atomic_read(&alg->cra_refcnt)); seq_printf(m, "selftest : %s\n", (alg->cra_flags & CRYPTO_ALG_TESTED) ? "passed" : "unknown"); seq_printf(m, "internal : %s\n", (alg->cra_flags & CRYPTO_ALG_INTERNAL) ? "yes" : "no"); if (alg->cra_flags & CRYPTO_ALG_LARVAL) { seq_printf(m, "type : larval\n"); seq_printf(m, "flags : 0x%x\n", alg->cra_flags); goto out; } if (alg->cra_type && alg->cra_type->show) { alg->cra_type->show(m, alg); goto out; } switch (alg->cra_flags & (CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_LARVAL)) { case CRYPTO_ALG_TYPE_CIPHER: seq_printf(m, "type : cipher\n"); seq_printf(m, "blocksize : %u\n", alg->cra_blocksize); seq_printf(m, "min keysize : %u\n", alg->cra_cipher.cia_min_keysize); seq_printf(m, "max keysize : %u\n", alg->cra_cipher.cia_max_keysize); break; case CRYPTO_ALG_TYPE_COMPRESS: seq_printf(m, "type : compression\n"); break; default: seq_printf(m, "type : unknown\n"); break; } out: seq_putc(m, '\n'); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Herbert Xu12142.76%550.00%
James Morris11038.87%220.00%
Erlend Aasland269.19%110.00%
Stephan Mueller196.71%110.00%
Pavel Emelyanov72.47%110.00%
Total283100.00%10100.00%

static const struct seq_operations crypto_seq_ops = { .start = c_start, .next = c_next, .stop = c_stop, .show = c_show };
static int crypto_info_open(struct inode *inode, struct file *file) { return seq_open(file, &crypto_seq_ops); }

Contributors

PersonTokensPropCommitsCommitProp
James Morris25100.00%1100.00%
Total25100.00%1100.00%

static const struct file_operations proc_crypto_ops = { .open = crypto_info_open, .read = seq_read, .llseek = seq_lseek, .release = seq_release };
void __init crypto_init_proc(void) { proc_create("crypto", 0, NULL, &proc_crypto_ops); }

Contributors

PersonTokensPropCommitsCommitProp
James Morris1785.00%150.00%
Alexey Dobriyan315.00%150.00%
Total20100.00%2100.00%


void __exit crypto_exit_proc(void) { remove_proc_entry("crypto", NULL); }

Contributors

PersonTokensPropCommitsCommitProp
Herbert Xu15100.00%1100.00%
Total15100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
James Morris29858.55%212.50%
Herbert Xu13927.31%637.50%
Erlend Aasland265.11%16.25%
Stephan Mueller193.73%16.25%
Pavel Emelyanov173.34%16.25%
Paul Gortmaker40.79%16.25%
Alexey Dobriyan30.59%16.25%
Arjan van de Ven10.20%16.25%
Jan Engelhardt10.20%16.25%
Arun Sharma10.20%16.25%
Total509100.00%16100.00%
Directory: crypto
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